Some standard content:
National Standard of the People's Republic of China
Technical conditions for pulse signal generators
The specifications of pulse signal generatorsGB 9317—88
This standard refers to the international standards IEC469-1-1974 "Pulse Technology and Instrumentation Part 1: Pulse Terms and Definitions", IEC4692-1974 "Pulse Technology and Instrumentation Part 2: General Considerations for Pulse Measurement and Analysis", and IEC6241978 "Performance Expression of Pulse Generators".
1 Overview
1.1 Scope of application
This standard applies to pulse signal generators and their accessories. Signal generators with continuous or pulsed sinusoidal outputs, television signal generators, function generators, etc. are not within the scope of this standard. 1.2 Subject content
This standard specifies the terms and definitions, technical requirements, test methods and inspection rules of pulse signal generators. It is the technical basis for the design, production and use of pulse signal generators, and is also the basis for the formulation of product standards for various types of pulse signal generators. 1.3 The implementation of this standard shall comply with the following standards: GB6592 General provisions for electronic measuring instrument errors GB6593 Quality inspection rules for electronic measuring instruments GB6587.1 General outline for environmental testing of electronic measuring instruments GB6587.2 Temperature test for electronic measuring instruments GB6587.3 Humidity test for electronic measuring instruments GB 6587.41 Vibration test for electronic measuring instruments GB 6587.5 Shock test for electronic measuring instruments GB6587.6 Transportation test for electronic measuring instruments Basic safety test for electronic measuring instruments GB 6587.7
Electronic measuring instrument power supply frequency and voltage testGB6587.8
GB4793 Electronic measuring instrument safety requirements
GB44574460 Mechanical drawing
GB191 Packaging storage and transportation pictorial symbols
GB1002 Single-phase plug and socket types, basic parameters and dimensionsGB6833
Electronic measuring instrument electromagnetic compatibility test specificationSJ946E
Basic requirements for electrical and mechanical structures of electronic measuring instrumentsSJ1889
Electronic measuring instrument reliability test plan
Transport packaging of general electronic industrial products Parallelepiped packaging box outer surface position numberingSJ1890
SJ1891 Transport packaging of general electronic industrial products Parallelepiped packaging box bottom dimensions sT3 Connectors for electronic measuring instruments GB9393
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Home Settings
2 Terms and Definitions
2.1 General Terms
When a disturbance propagates in a medium as a function of time due to one or more disturbances, the change in the physical state of the medium is called a wave. 2.1.2 Pulse
A wave that starts from the first rated state and reaches the second rated state and finally returns to the first rated state. 2.1.3 Transition
The part between the first rated state and the second rated state of a wave or pulse. 2.1.4 Pulse waveform and transition waveform
A graphical representation or visual representation of pulses and transitions as a function of time. 2.1.5 Characteristics
A specific part of a waveform or a specific phenomenon is called a characteristic. 2.2 Reference lines and points
The reference lines and reference points defined in this clause and all other reference lines and points in other clauses are added to the waveform (actually and hypothetically) for the convenience of description and analysis. Unless otherwise specified, all defined lines and points are within the waveform existence time. 2.2.1 Time start line
A line that passes through a specific time t and is perpendicular to the time axis. Usually the time of this line is zero (see Figure 1). Pulse wave
Shape start line
Time start line
Pulse start line reference pulse waveform
Far end point
1Pre-transition point,
Pre-low point
Pulse waveform
Start time
Pulse start time
2.2.2 Value start linebzxz.net
Center point
Proximal end point
Actual Pulse waveform
termination line
Pulse waveform
termination line
—a top value line
counter end point—far end line
pulse amplitude
, front transition duration
pulse waveform existence time
center point
item value
—near end point》
back transition point 1
center line!
·near end line
back low point t:
back transition duration
bottom value
(offset)
pulse waveform termination time
pulse duration (pulse width)
pulse termination time
time (trailing edge)
value starting line
A line parallel to the time axis and with a specific value. Usually its value is zero and runs through the entire pulse waveform. 2.2.3 Pulse waveform start line
A reference line passing through the start time of the first rated state of the pulse waveform and parallel to the time start line. 2.2.4 Pulse waveform end line
A time reference line passing through the end time t2 of the pulse waveform and parallel to the time start line. 2.2.5 Time (value) reference line
A line parallel to the time (value) start line at a specific instant (value). 2.2.6 Time (value) reference point
refers to the intersection of the time (value) reference line and the pulse waveform. 2.3 Terms related to time
2.3.1 Pulse waveform existence time
GB9317-88
A period of time when the pulse waveform appears. Usually refers to the total time from the start time t of the first rated state of the pulse to the end time t2 of the second rated state and then back to the first rated state. 2.3.2 Instantaneous
Usually refers to a specific moment of a certain point in the waveform relative to t within the existence time of the pulse waveform. 2.3.3 Time interval
The time difference between the second specific instant and the first specific instant. 2.3.4 Duration
The time interval occupied by a specific waveform or feature. 2.3.5 Period
The minimum time interval between the same characteristics of an alternating waveform or alternating feature. 2.3.6 Frequency
The reciprocal of the period.
2.4 Pulse waveform (usually refers to rectangular pulse) Terminology 2.4.1 Bottom
Refers to the two parts of the pulse waveform from which the pulse starts and finally returns to the first rated state. 2.4.2 Top
The part of the pulse waveform that represents the second rated state. 2.4.3 Front (rear) transition
Refers to the main transition waveform between the bottom (top) and the top (bottom) of the pulse waveform. 2.4.4 Bottom value
According to the definition of the bottom, the value of the bottom is obtained according to the specified algorithm. Usually refers to the two parts of the bottom. 2.4.5 Top value
According to the specified steps and algorithms, the top value is obtained (see Appendix B (Supplementary) for the specific algorithm). 2.4.6 Pulse amplitude
The algebraic difference between the top value and the bottom value,
2.4.7 Bottom (top) line
The value reference line with the bottom (item) value. 2.4.8 Reference value percentage
In the following formula, X represents the reference value percentage. M.=M+
=M+ 100
M.- M. 100
In the formula: M, a value corresponding to the reference value percentage X; M bottom value;
M.—top value;
A—amplitude.
If: M,=0 then M,= 100
2.4.9 Near (far) end line
GB9317--88
A reference line with a specific value in the area close to (far from) the bottom of the pulse waveform. Usually the near (far) end line refers to the point where the percentage of the reference value is 10 (90).
2.4.10 Center line
A reference line with a specific value in the center area of the pulse waveform. Usually refers to the point where the reference value is 50%. 2.4.11 Near (far) end point
Refers to the intersection of the pulse waveform with the near (far) end line. 2.4.12 Center point
The value reference point at the intersection of the pulse waveform with the center line. 2.4.13 Pulse start (end) time
Usually refers to the instant corresponding to the center point on the front (back) transition of the pulse waveform. 2.4.14 Pulse duration (abbreviated as pulse width) The duration between the start time and the end time of the pulse. 2.4.15 Front (rear) transition duration (referred to as front and rear edges) The duration between the near (far) end point and the far (near) end point of the front (rear) main transition waveform on the pulse transition waveform. 2.4.16 Front (rear) bottom point
Usually refers to the intersection of the start (end) line of the pulse waveform and the waveform within the existence time of the pulse waveform. 2.5 Terms related to composite waveforms
2.5.1 Double pulse
Two pulse waveforms with the same polarity appear in one cycle, usually called "pair pulses". 2.5.2 Bipolar pulse
Two pulse waveforms with opposite polarities appear in one cycle. 2.5.3 Offset pulse
A pulse waveform with a non-zero bottom value, and its offset is calculated from the value starting line. 2.5.4 Synthetic pulse
A pulse waveform formed by the algebraic addition of two or more waveforms. 2.5.5 Group pulse
A finite number of pulse waveforms appear in one cycle. 2.5.5.1 Group pulse duration
The time interval between the start time of the first pulse waveform and the end time of the last pulse waveform in a group pulse. 2.5.5.2 Group pulse interval
The time interval between the end time of the last pulse waveform of a group pulse and the start time of the first pulse waveform of the next group pulse in a group pulse series.
2.5.5.3 Group pulse repetition period
The time interval between the start time of the first pulse waveform of a group pulse and the start time of the first pulse waveform of the next group pulse in a series of periodic group pulses.
2.5.5.4 Group pulse frequency
The inverse of the group pulse repetition period.
2.6 Pulse sequence and time-related terms
2.6.1 Pulse sequence
A series of pulse waveforms that are repeated continuously. 2.6.2 Pulse repetition period
In a periodic pulse sequence, the time interval between the start time of the previous pulse waveform and the start time of the next pulse waveform. 2.6.3 Pulse repetition frequency
The reciprocal of the pulse repetition period.
2.6.4 Pulse interval
GB9317-88
In a pulse sequence, the time interval between the end time of the previous pulse waveform and the start time of the next pulse waveform. 2.6.5 Space ratio
Usually refers to the ratio of the pulse waveform duration to the pulse repetition period in a periodic pulse sequence. 2.6.6 On-off ratio
Usually refers to the ratio of the pulse waveform duration to the pulse interval time in a periodic pulse sequence. 2.6.7 Square wave
A periodic rectangular pulse sequence with a space ratio of 0.5 or an on-off ratio of 1. 2.6.8 Pulse delay (advance)
If two pulses are related, it means that one pulse is formed to appear after (before) the other pulse waveform. 2.6.8.1 Pulse delay (advance) time
refers to the time interval between the start time of one pulse waveform lagging (leading) the start time of another pulse waveform. 2.6.9 Pulse conformity
The appearance of two or more pulses with different waveforms, which are basically simultaneous or separated by a specified time interval. 2.7 Pulse waveform distortion, jitter, fluctuation (see Figure 2) 2.7.1 Reference pulse waveform
The pulse waveform specified for measurement and analysis purposes. 2.7.2 Pulse waveform distortion
The algebraic difference between the values of all corresponding points of the actual pulse waveform and the reference pulse waveform at the same time. Usually refers to the peak-to-peak value of pulse waveform distortion (see Figure 2).
Pulse waveform distortion is also called percentage pulse waveform distortion. Pulse waveform distortion expressed as a percentage of the ratio of the pulse waveform distortion to the reference pulse waveform amplitude. Pulse waveform
shape reference pulse waveform
Pulse waveform distortion peak-to-peak value
Data range included in pulse waveform characteristic distortion Figure 2 Pulse waveform distortion and pulse waveform characteristic distortion A1, A2-pulse bottom distortion; C-pulse top distortion B-front transition distortion; D-back transition distortion 2.7.3 Pulse waveform characteristic distortion
The algebraic difference in the magnitude between all corresponding points of a pulse waveform and a certain reference pulse waveform characteristic at the same time. Usually refers to the peak-to-peak value of the pulse waveform characteristic distortion (see Figure 2).
Pulse waveform characteristic distortion is also called percentage pulse waveform characteristic distortion. Pulse waveform characteristic distortion expressed as a percentage of the ratio of the pulse waveform characteristic distortion to the reference pulse waveform amplitude. 2.7.4 Pre-calibration
Pulse waveform characteristic distortion before the main transition. 2.7.5 Overshoot
GB931788
Characteristic distortion of pulse waveform after main transition. Characteristic distortion of pulse waveform after front (back) transition is usually called front (back) overshoot. 2.7.6 Attenuation oscillation (ringing)
Characteristic distortion of damped oscillation superimposed on pulse waveform. Usually this distortion occurs after main transition. 2.7.7 Return
The distortion of the smaller value between two adjacent specific peaks of the same polarity is called concave. 2.7.8 Arc
Distortion of arc characteristic form appearing at the required or desired slope mutation. 2.7.9 Spike
A spike pulse waveform with extremely short duration superimposed on regular or required pulse waveform is called spike. 2.7.10 Tilt||Distortion of the top or bottom slope of pulse waveform is not zero, which can be positive or negative. 2.7.11 Dynamic
In a pulse sequence, the instability of the pulse waveform time characteristics relative to the reference time, time interval and duration. Usually refers to the peak-to-peak value of the shake.
2.7.12 Fluctuation
In a pulse sequence, the instability of the pulse amplitude characteristics relative to the reference pulse value or amplitude. Usually refers to the peak-to-peak value of the fluctuation. 2.7.13 Pulse top unevenness
The waveform distortion that appears at the top of the pulse waveform. Usually expressed as a percentage of the peak-to-peak value of the distortion to the pulse amplitude. 2.8 Terms related to pulse signal generators
2.8.1 A pulse signal generator (hereinafter referred to as a generator) is an instrument that generates electrical signals and provides electrical signals in the form of pulses directly or through a transmission line from its output terminal. 2.8.2 Generator accessories
A device that is a part of a subordinate generator. When used in conjunction with a generator, it changes or imparts one or more characteristics of the generator in a certain way.
2.8.3 Generator host
is the main body of the generator, which provides common devices (such as rack, power supply, cooling device, etc.) for itself and the generator accessories. Usually, without the generator accessories, the generator host does not have the performance of the generator. 2.9 Technical terms
2.9.1 Offset
is a technology to change the potential of the pulse bottom value. Usually it does not affect the pulse waveform and amplitude. 2.9.2 Positive (negative) polarity
The output pulse top value is higher (lower) than the bottom value. 2.9.3 Inversion
is a method to widen the output pulse width. Its pulse is usually greater than half of the cycle. Compared with the same polarity pulse, its phase is shifted by the original polarity output pulse width. 2.9.4 Triggering
is a process of starting a predetermined signal or a predetermined response with a certain signal. 2.9.4.1 Normal mode (internal) triggering
The working mode of the generator main oscillation signal as the trigger signal. 2.9.4.2 Trigger mode (external trigger)
GB931788
A working mode in which an external signal is the trigger signal of the generator. 2.9.4.3 Power supply trigger
A working mode in which the power supply signal inside the generator is the trigger signal. 2.9.5 Synchronization
The process of causing a pulse sequence or other signal sequence to be generated simultaneously with another pulse sequence or with a fixed time difference. 2.9.6 Gating
The process in which a pulse of shorter duration interacts with another pulse or other signal of longer duration, resulting in a signal representing (usually proportional to) the magnitude of the second pulse during the first pulse. 2.9.7 Sampling
The process in which a gated pulse generates a signal proportional to the magnitude of the second pulse or other signal (usually a time function). 2.9.8 Single
A working mode in which a manual signal generator is input and the corresponding output pulse is output. 2.9.9 Group pulse mode
A working mode in which the output pulse is a group pulse. At this time, the generator can work in normal mode, power trigger, trigger mode or counting pulse mode.
2.9.10 Gate mode
During the duration of the gate signal, the generator can work in normal mode, power trigger or trigger mode. 2.9.11 Output pulse
refers to the main pulse signal output by the generator. 2.9.12 Trigger output pulse (pre-pulse) is an auxiliary pulse with a predetermined timing relationship with the generator output pulse. It usually leads (lags) the output pulse. 2.9.13 Dual pulse output
A dual pulse output mode controlled by internal or external signals. 2.9.14 Pulse delay (advance) time
usually refers to the time difference between the generator output pulse and the trigger output pulse. 2.9.15 Output terminal
An electrical connector through which each output pulse signal can be drawn. 2.9.16 Output circuit
A circuit that transmits the pulse signal to the external load through the generator output terminal. The output circuit is a circuit that improves the output pulse waveform or changes its output impedance, so the output circuit can be a high impedance source, a low impedance source or a characteristic impedance source. 2.9.17 Output impedance
When the internal circuit is a load of electrical energy rather than a source of electrical energy, the impedance presented at the output end. 2.9.18 Source impedance
The equivalent complex impedance value of a low impedance source or a specific impedance source. 2.9.19 Low impedance source
An output circuit whose ideal equivalent circuit is an ideal voltage generator connected in series with an ideal resistor. This circuit is used to transfer electrical energy to an external resistive impedance larger than the ideal series resistor. 2.9.20 Specific impedance source
An output circuit whose ideal equivalent circuit is an ideal voltage (current) generator in series (parallel) with an ideal resistor (conductance). This circuit is used to transfer electrical energy to an external resistive impedance (conductive admittance) that is substantially consistent with the ideal series resistor (parallel conductance). 2.9.21 High impedance source
An output circuit whose ideal equivalent circuit is an ideal current generator in parallel with an ideal conductance. This circuit is used to transfer electrical energy to an external conductive admittance that is larger than the ideal parallel conductance. 2.9.22 Pulse power
GB9317—88
The power transferred or converted by a pulse. Usually refers to the average power in a certain time interval. 2.9.23 Pulse energy
The energy transferred or converted by a pulse, usually refers to the total energy in a certain time interval. 3 Variety specifications
3.1 Variety classification
According to the output pulse waveform, such as square wave, rectangular, bell-shaped, fast edge, variable edge, etc. According to the output pulse frequency, such as high (low) repetition frequency, etc. According to the output pulse form, such as single, double, group pulse, majority, program control, etc. According to the output pulse amplitude and power, such as large amplitude, high power, etc. According to the accuracy of the working characteristics, such as precision delay, standard amplitude, etc. The classification of other product-related characteristics should be indicated in the classification of the product standard. 3.2 Structural classification
Such as desktop, portable, rack-mounted, etc. The structural type should be indicated in the product standard. 3.3 Power supply classification
The power supply used can be divided into DC, AC, AC/DC, and the power supply type and requirements are given in the product standard. 3.4 Environmental classification
It should be in accordance with the provisions of GB6587.1, usually defined as a group instrument. It can also be defined as a group I or group 1 instrument according to its adaptability and use requirements, and it should be indicated in the product standard.
4 Technical requirements
4.1 General requirements
4.1.1 The errors given in this standard are all the limit values of the errors. When formulating product standards, the smaller errors should be given in combination with the working characteristics of the product.
4.1.2 For technical requirements not specified in this standard, the necessary errors and requirements should be given in combination with the characteristics of the product in the product standards. 4.1.3 The errors in the product standards should be given according to the preferred series of GB6592. The working errors can be given by temperature segmentation (the ambient temperature is preferably 10~30℃).
4.2 Appearance and structural requirements
The structure of the generator should be complete, without obvious mechanical damage and plating damage. All control components must be installed correctly, firmly and reliably, and be flexible to operate. The basic requirements for its electrical and mechanical structure should comply with the provisions of SJ946. 4.3 Basic safety requirements
The values of insulation resistance, leakage current and test voltage shall be given in the product standard according to the safety category in accordance with the provisions of GB6587.7.
4.4 Preheating time
The preheating time shall be given in the product standard.
4.5 Pulse frequency
4.5.1 Output pulse frequency
4.5.1.1 The rated range or effective range or rated value shall be given. When the effective range is given, the coverage greater than or equal to 5% or 10% shall be given. If the rated value is given, the working error better than ±5% or ±10% shall be given. 4.5.1.2 Level division, the range and level shall be given, and they shall be arranged in 1.10 or 1.3 or 1.2.5 system. In principle, they shall be arranged in one of them. 4.5.1.3 Fine-tuning range, if there is a fine-tuning device, the fine-tuning ratio shall be specified. The fine-tuning device must ensure the coverage of adjacent levels. 4.5.2 Trigger output pulse frequency, give the trigger output pulse frequency and the output pulse frequency, or have a multiple or division relationship with the output pulse frequency.
GB931788
4.5.3 Trigger input signal frequency, the frequency range of sine signal trigger and pulse signal trigger should be given respectively. 4.5.4 For generators with higher frequency accuracy, in addition to the working error specified in the product standard, the frequency stability and waveform distortion should also be given, and the rated working conditions, calibration position, etc. should be stated. 4.5.5 If there are other pulse frequency items not included in the above, when the indicators must be specified, they should be specified in the product standard. 4.6 Relevant pulse time value
4.6.1 Output pulse duration
4.6.1.1 The rated range or effective range or rated value should be given. When the rated value is given, its working error should be better than ±5% or ±10%. When the effective range is given, a coverage greater than or equal to 5% or 10% should be given. 4.6.1.2 Level division, specify the range and level, and should be arranged in 1.10 or 1.3 or 1.2.5 system, in principle, they should be arranged in one of them. 4.6.1.3 Fine-tuning range, if there is a fine-tuning device, the fine-tuning ratio can be specified. The fine-tuning device must ensure the coverage of adjacent levels. 4.6.2 Output pulse delay (advance) time 4.6.2.1 The rated range or effective range or rated value should be given. When the effective range is given, the coverage greater than or equal to 5% or 10% should be given. When the rated value is given, its working error should be better than ±5% or ±10%. 4.6.2.2 Level division, specify the range and level, and should be arranged in 1.10 or 1.3 or 1.2.5 system, in principle, they should be arranged in one of them. 4.6.2.3 Fine-tuning range, if there is such a device, the fine-tuning ratio can be specified. The fine-tuning device must ensure the coverage of adjacent levels. 4.6.3 Output pulse leading (trailing) edge
4.6.3.1 The leading (trailing) edge of the output pulse of the variable edge generator should be given a rated range.
The range and the level are divided into levels, and the range and level are specified, and they are arranged in 1.10 or 1.3 or 1.2.5 system. In principle, they should be arranged in one of them.
c. Fine adjustment range. If there is such a device, the fine adjustment ratio can be specified. The fine adjustment device must ensure that adjacent levels are covered. 4.6.3.2 For generators with constant edges, their maximum value should be limited. 4.6.4 The leading edge of the trigger input pulse should have a maximum value. 4.6.5 When the pulse duration and pulse delay time have high accuracy, in addition to specifying the working error in the product standard, the stability, jitter, rated working conditions, etc. should also be specified.
4.6.6 If there are other pulse duration items and indicators must be given, they should be specified in the product standard. 4.7 Pulse Amplitude
4.7.1 Output Pulse Amplitude
4.7.1.1 The rated range or effective range or rated value should be given. When the effective range is given, a coverage greater than or equal to 5% or 10% should be given. If the rated value is given, the working error should be better than ±5% or ±10%. 4.7.1.2 Level division, specify the range and level, and use the 1.10 or 1.3 or 1.2.5 system. In principle, they should be arranged in one of them. 4.7.1.3 Fine-tuning range, if there is such a device, the fine-tuning ratio can be specified. The fine-tuning device must ensure the coverage of adjacent levels. 4.7.2 Output pulse offset, the rated range should be given as one of ±1, ±2, ±5V, and should be continuously adjustable. 4.7.3 Trigger output pulse amplitude, the rated value or its range should be given. 4.7.4 Trigger input pulse amplitude, the rated range should be given. 4.7.5 When the pulse amplitude accuracy is high, in addition to the working error, the product standard should also specify the amplitude stability, waveform distortion, fluctuation, empty ratio, etc., and explain the rated working conditions. 4.7.6 When other characteristics of the pulse amplitude that must be given but are not included in this article, they should be specified in the product standard. 4.8 Impedance
4.8.1 Output impedance
4.8.1.1 Generally, it should be given as one of the source resistances 50(75), 300, and 600α2. 4.8.1.2 For attenuator-type loads, the source resistance values of each gear should be given. GB9317-~88
4.8.1.3 The source resistance of the fast edge generator (edge less than 0.3ns) should be 500(75Q). 4.8.1.4 The matching method used should be stated.
4.8.2 The output impedance of the trigger output pulse is 502 (752) or high impedance. 4.8.3 The trigger input impedance is 50Q or high impedance. 4.8.4 When there are other output and input impedance items, they should be specified in the product standard. 4.9 Waveform distortion
4.9.1 Overshoot. Under rated working conditions, the requirements for waveform distortion are that when the current edge is greater than 1ns, the overshoot is less than 5%; when the current edge is less than 1ns, the overshoot is less than 10%.
4.9.2 Preshoot, should be less than 5%.
4.9.3 Peak, same as 4.9.1.
4.9.4 Tilt, should be less than 1% or 3% or 5%. 4.9.5 Attenuation oscillation should be specified in the product standard. 4.9.6 For fast edge generators, regulations can be made according to the unevenness of the items, but they must not exceed the requirements of 4.9.1 or 4.9.5. 4.9.7 When the requirements for waveform distortion are high, the specified values for arcs, concave parts, shakes, etc. can be given in the product standards. 4.10 Pulse state
4.10.1 Pulse polarity
4.10.1.1 The output pulse polarity can be set to positive polarity or negative polarity or both positive and negative polarity. 4.10.1.2 The output pulse offset polarity, the relative zero potential with DC offset should offset the output pulse symmetrically in positive and negative directions. 4.10.1.3 The trigger output pulse polarity should be positive or negative or both positive and negative. 4.10.1.4 The trigger input pulse polarity should be positive or negative, or both positive and negative polarity can be triggered. 4.10.1.5 The synchronous input pulse polarity should give the required polarity according to the internal circuit. 4.10.2 Working mode
4.10.2.1 The pulse generator should have normal mode, trigger mode (external trigger mode), etc. 4.10.2.2 Single-shot working mode. General pulse generators should have single-shot working mode. 4.10.3 Pulse states not included in this article should be specified in advance in the product standard. 4.11 Others
4.11.1 Dimensions
The maximum dimensions of the generator should be given in the order of width (B), height (H), and depth (D). 4.11.2 Weight
The weight of the whole machine or the weight of the main unit, plug-in unit, and accessories should be given in the product standard (unit: kg). 4.11.3 The power supply
should comply with the relevant provisions of GB6587.8, and the type of power supply, the corresponding voltage and the allowable error of the frequency should be given in the product standard. 4.11.4 Apparent power
The apparent power under rated conditions (unit: VA) should be given, and the error should not exceed ±20%. Note: The product is allowed to give the apparent power and power consumption at the same time. 4.11.5 Power cord and its plug socket
The product shall use a three-core non-reconnectable power cord in accordance with GB9393. The plug type for the power grid terminal shall comply with GB1002.
4.11.6 Reliability requirements
4.11.6.1 According to SJ1889, the mean trouble-free working time at the time of finalization shall be given in the product standard. 4.11.6.2 The phase division of the reliability test shall be carried out in accordance with Table 1, and the characteristic inspection items during the test shall not be less than those specified in Tables 3 and 4.
Test type
Reliability identification test
Reliability identification test
Reliability acceptance test
4.11.7 Thermal distribution requirements (to be determined)
GB9317--88
Table 1 Reliability test
Sampling quantity
Not less than 2 units
Not less than 5 units
Not less than 8 units
Test stage
When design is finalized
When production is finalized
The first batch and relevant regulations
Thermal distribution test should be carried out in accordance with the thermal distribution requirements during the laboratory prototype stage, and verification test should be carried out during the design finalization stage. 4.11.8 Electromagnetic compatibility requirements
When the product has electromagnetic compatibility requirements, the following requirements should be given in the product standard: Electromagnetic compatibility test should be carried out in accordance with GB6833 during the laboratory prototype stage, and verification test should be carried out during the design finalization stage. 4.11.9 Design margin requirements (to be determined)
Design margin tests should be carried out in accordance with design requirements during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 4.11.10 Simulated misuse requirements
Simulated misuse tests should be carried out in accordance with simulated misuse standards (to be determined) during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 4.11.11 Maintainability requirements
Maintainability tests should be carried out in accordance with maintainability standards (to be determined) during the laboratory prototype stage, and verification tests should be carried out during the finalization stage. 4.11.12 Safety requirements
Safety tests should be carried out in accordance with GB4793 during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 5 Test methods
5.1 General test principles and requirements
Test requirements should be determined according to the different characteristics of the product and in accordance with the principles specified in this article. 5.1.1 When conducting environmental tests, the test sequence and methods shall be in accordance with the provisions of GB6587.1. 5.1.2 When the generator is equipped with replaceable plug-in units, the main unit and each plug-in unit shall be tested as a whole. 5.1.3 When the generator is tested for working characteristics, the generator shall be kept in an intact state and the test shall be conducted without opening the chassis. 5.1.4 The environmental conditions of the test room (hereinafter referred to as normal conditions) shall generally be close to the reference conditions in GB6587.1 unless otherwise specified in the product standard.
5.2 Test grouping and sampling method
5.2.1 Test grouping
Group A Main specific tests (including appearance and safety). Group B - Tests of other characteristics.
Group C - Environmental tests (including climate and machinery). Group D - Special environmental tests (electromagnetic compatibility, salt spray, mold, sand and dust, rain, etc.). Group E One-time tests (maintainability, heat distribution, simulated misuse, design margin, etc.). Group F - Reliability test.
5.2.2 The sampling method and quantity of the test samples shall comply with the provisions of Table 2.6 Reliability requirements
4.11.6.1 According to SJ1889, the mean time between failures at the time of finalization shall be given in the product standard. 4.11.6.2 The phase division of the reliability test shall be carried out in accordance with the provisions of Table 1, and the characteristic inspection items during the test shall not be less than those specified in Tables 3 and 4.
Test type
Reliability identification test
Reliability identification test
Reliability acceptance test
4.11.7 Thermal distribution requirements (to be determined)
GB9317--88
Table 1 Reliability test
Sampling quantity
Not less than 2 units
Not less than 5 units
Not less than 8 units
Test stage
When design is finalized
When production is finalized
The first batch and relevant regulations
Thermal distribution test should be carried out in accordance with the thermal distribution requirements during the laboratory prototype stage, and verification test should be carried out during the design finalization stage. 4.11.8 Electromagnetic compatibility requirements
When the product has electromagnetic compatibility requirements, the following requirements should be given in the product standard: Electromagnetic compatibility test should be carried out in accordance with GB6833 during the laboratory prototype stage, and verification test should be carried out during the design finalization stage. 4.11.9 Design margin requirements (to be determined)
Design margin tests should be carried out in accordance with design requirements during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 4.11.10 Simulated misuse requirements
Simulated misuse tests should be carried out in accordance with simulated misuse standards (to be determined) during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 4.11.11 Maintainability requirements
Maintainability tests should be carried out in accordance with maintainability standards (to be determined) during the laboratory prototype stage, and verification tests should be carried out during the finalization stage. 4.11.12 Safety requirements
Safety tests should be carried out in accordance with GB4793 during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 5 Test methods
5.1 General test principles and requirements
Test requirements should be determined according to the different characteristics of the product and in accordance with the principles specified in this article. 5.1.1 When conducting environmental tests, the test sequence and methods shall be in accordance with the provisions of GB6587.1. 5.1.2 When the generator is equipped with replaceable plug-in units, the main unit and each plug-in unit shall be tested as a whole. 5.1.3 When the generator is tested for working characteristics, the generator shall be kept in an intact state and the test shall be conducted without opening the chassis. 5.1.4 The environmental conditions of the test room (hereinafter referred to as normal conditions) shall generally be close to the reference conditions in GB6587.1 unless otherwise specified in the product standard.
5.2 Test grouping and sampling method
5.2.1 Test grouping
Group A Main specific tests (including appearance and safety). Group B - Tests of other characteristics.
Group C - Environmental tests (including climate and machinery). Group D - Special environmental tests (electromagnetic compatibility, salt spray, mold, sand and dust, rain, etc.). Group E One-time tests (maintainability, heat distribution, simulated misuse, design margin, etc.). Group F - Reliability test.
5.2.2 The sampling method and quantity of the test samples shall comply with the provisions of Table 2.6 Reliability requirements
4.11.6.1 According to SJ1889, the mean time between failures at the time of finalization shall be given in the product standard. 4.11.6.2 The phase division of the reliability test shall be carried out in accordance with the provisions of Table 1, and the characteristic inspection items during the test shall not be less than those specified in Tables 3 and 4.
Test type
Reliability identification test
Reliability identification test
Reliability acceptance test
4.11.7 Thermal distribution requirements (to be determined)
GB9317--88
Table 1 Reliability test
Sampling quantity
Not less than 2 units
Not less than 5 units
Not less than 8 units
Test stage
When design is finalized
When production is finalized
The first batch and relevant regulations
Thermal distribution test should be carried out in accordance with the thermal distribution requirements during the laboratory prototype stage, and verification test should be carried out during the design finalization stage. 4.11.8 Electromagnetic compatibility requirements
When the product has electromagnetic compatibility requirements, the following requirements should be given in the product standard: Electromagnetic compatibility test should be carried out in accordance with GB6833 during the laboratory prototype stage, and verification test should be carried out during the design finalization stage. 4.11.9 Design margin requirements (to be determined)
Design margin tests should be carried out in accordance with design requirements during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 4.11.10 Simulated misuse requirements
Simulated misuse tests should be carried out in accordance with simulated misuse standards (to be determined) during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 4.11.11 Maintainability requirements
Maintainability tests should be carried out in accordance with maintainability standards (to be determined) during the laboratory prototype stage, and verification tests should be carried out during the finalization stage. 4.11.12 Safety requirements
Safety tests should be carried out in accordance with GB4793 during the laboratory prototype stage, and verification tests should be carried out during the design finalization stage. 5 Test methods
5.1 General test principles and requirements
Test requirements should be determined according to the different characteristics of the product and in accordance with the principles specified in this article. 5.1.1 When conducting environmental tests, the test sequence and methods shall be in accordance with the provisions of GB6587.1. 5.1.2 When the generator is equipped with replaceable plug-in units, the main unit and each plug-in unit shall be tested as a whole. 5.1.3 When the generator is tested for working characteristics, the generator shall be kept in an intact state and the test shall be conducted without opening the chassis. 5.1.4 The environmental conditions of the test room (hereinafter referred to as normal conditions) shall generally be close to the reference conditions in GB6587.1 unless otherwise specified in the product standard.
5.2 Test grouping and sampling method
5.2.1 Test grouping
Group A Main specific tests (including appearance and safety). Group B - Tests of other characteristics.
Group C - Environmental tests (including climate and machinery). Group D - Special environmental tests (electromagnetic compatibility, salt spray, mold, sand and dust, rain, etc.). Group E One-time tests (maintainability, heat distribution, simulated misuse, design margin, etc.). Group F - Reliability test.
5.2.2 The sampling method and quantity of the test samples shall comply with the provisions of Table 2.
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