JB/T 6225-1992 General technical requirements for inductive phase shifters
Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T6225-92
General Technical Conditions for Inductive Phase Shifters
Published on June 16, 1992
Implemented on January 1, 1993 by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Subject Content and Scope of Application
Cited Standards
Product Classification
Technical Requirements
Test Methods
Inspection Rules…
Quality Assurance Period| |tt||Marking, packaging, transportation and storage.
Appendix A
Standard of the Machinery Industry of the People's Republic of China
General Technical Conditions for Inductive Phase Shifters
1 Subject Content and Scope of Application
JB/T622592
This standard specifies the product classification, general technical requirements, test methods, inspection rules, quality assurance period and marking, packaging, transportation and storage of single-phase inductive phase shifters.
This standard applies to YG series inductive phase shifters. The time phase difference of its output voltage relative to the input voltage is linearly related to the rotor angle within the range of 0° to 360° and the amplitude of the output voltage remains constant. This standard should be used together with the special technical conditions for inductive phase shifters. The specific technical indicators and additional or special requirements of various inductive phase shifters shall be specified in the special technical conditions. 2 Reference standards
GB5872 Technical conditions for packaging of controlled micromotors GB7345 Basic technical requirements for controlled micromotors GB7346 Basic external structural types of controlled micromotors GB10405 Model naming method for controlled micromotors 3 Product classification
3.1 Name and code
Inductive phase shifter YG; Y-shift, G-sensor.
3.2 Main varieties and specifications
The main varieties and specifications of inductive phase shifters are shown in Appendix A Performance parameter table of inductive phase shifters (reference part). 3.3 Frame size
This standard adopts the frame sizes of 20, 28, 36 and 45 specified in GB7346. 3.4 Model composition
The model composition of inductive phase shifters shall comply with the provisions of GB10405. The model composition is exemplified as follows. 28
3.5 Power supply frequency and voltage
The relationship between the voltage and frequency of the inductive phase shifter is shown in Table 1. Approved by the Ministry of Machinery and Electronics Industry on June 16, 1992 04A
Performance or structure derived code
Frequency code (rated frequency 0.4kFz)
Impedance code (open circuit input impedance 1000m) Product name code (inductive phase shifter)
Frame size (outer diameter 28mm)||tt ||1993-01-01 implementation
Rated input voltage/output voltage
Rated rated power
3.6 Open-circuit input impedance
JB/T622592
150.300, 500
10, 20, 40, 75
The nominal value of the open-circuit input impedance of the inductive phase shifter shall be selected from the following values: 300, 500, 1000, 20000.
3.7 Basic shape and structure type
The basic shape and structure type of the inductive phase shifter shall comply with the provisions of GB7346 and special technical conditions. The basic type for frames 20 and 28 is K1 type; the basic type for frames 36 and 45 is K3 type. The basic shaft extension is the optical shaft extension.
4 Technical requirements
Environmental conditions
0. 05, 0. 135, 0. 27, 0. 4, 1, 2, 4
The environmental conditions for the use of inductive phase shifters shall comply with the provisions of Table 1 and special technical conditions in GB7345. 4.2 Terminals
4.2.1 Terminals
The terminals of inductive phase shifters can be lead wires or terminal blocks and shall comply with the provisions of Table 2. The length of the lead wires shall not be less than 200 mm. Table 2
Lead out wire
Termination board
Note: "V" indicates adoption.,
4.2.2 Marking
Lead out wire markings are indicated by different colors, terminal board markings are indicated by letters and numbers, and should comply with the provisions of Table 3, Table 3
Winding name
Stator winding
Rotor winding
4.2.3 Bushing color
Termination board marking
R3, R4
When using lead out wires, bushings can be added to the outside of the lead out wires, and the bushing color should comply with the provisions of Table 4. 6
Lead wire color
Red and white
Black and white
Fee and white
4.2.4 Terminal strength
Stator winding
Rotor winding
JB/T6225-92
The lead wire and terminal strength of the inductive phase shifter shall comply with the provisions of Article 3.9 of GB7345. 4.3 Direction of rotation
From the non-outgoing line, the counterclockwise rotation of the rotor is the positive direction of rotation. 4.4 Circuit diagram
The circuit diagram of the inductive phase shifter is shown in Figure 1, and the output voltage equation is shown in Formula (1). U,=KU,e
Wherein, U2——output voltage, V;
K is a constant related to the parameters of the inductive phase shifter; U, rated input voltage, V;
rotor angle ();
45°-fixed phase shift.
Note: ①R, R are phase shift resistor and compensation resistor respectively; ?C is phase shift capacitor,
Correctness of wiring
Figure 1 Circuit diagram
From the non-outgoing end, the spatial arrangement position of the stator and rotor windings of the inductive phase shifter should be as shown in Figure 1. Color
4.6 Phase zero position
In formula (1), the position when 9=45° is the phase zero position. There should be obvious and firm markings at appropriate positions on the housing and shaft extension. 4.7 Appearance and assembly quality
4.7.1 Appearance
The appearance quality of the inductive phase shifter shall comply with the provisions of Article 3.2.1 of GB7345. 4.7.2 Appearance and installation dimensions
The appearance and installation dimensions of the inductive phase shifter shall comply with the provisions of GB7346 and special technical conditions. 4.7.3 Radial clearance
The radial clearance of the inductive phase shifter shall comply with the provisions of special technical conditions. After the identification test or periodic test, the maximum allowable increase shall be 1.5 times the value specified in the special technical conditions; after the strong impact test, the maximum allowable increase shall be 2.25 times the value specified in the special technical conditions. 4.7.4 Axial clearance
JB/T6225-92
The axial clearance of the inductive phase shifter shall be within the range of 0.05~0.15mm or comply with the provisions of special technical conditions. After the identification test or periodic test, the maximum allowable increase is 1.66 times the value specified in the special technical conditions; after the strong impact test, the maximum allowable increase is 2.5 times the value specified in the special technical conditions. 4.7.5 Shaft extension radial runout
The radial runout of the shaft extension outer surface of the induction phase shifter to the center line shall not exceed 0.02mm. 4.7.6 Coaxiality of the mounting mating surface
The coaxiality of the mounting mating surface of the induction phase shifter shall comply with the provisions of the special technical conditions or GB7346. 4.7.7 Verticality of the mounting mating end face
The verticality of the mounting mating end face of the induction phase shifter shall comply with the provisions of the special technical conditions or GB7346. 4.8 Change of brush contact resistance
The change of brush contact resistance of the induction phase shifter shall comply with the provisions of Article 3.6 of GB7345. After the identification test or periodic test and strong impact test, the change value of brush contact resistance shall comply with the provisions of Table 5. The rotor DC resistance is specified by the special technical conditions. Table 5
Test name
After identification test or periodic test
After strong impact test
4.9 Friction torque
Rotor resistance is less than or equal to
The friction torque of the induction phase shifter shall comply with the provisions of the special technical conditions. Rotor resistance is greater than
0.750% of the rotor DC resistance
1.125% of the rotor DC resistance
After identification test or periodic test, it is allowed to increase to 2 times the value specified in the special technical conditions; after strong impact test, it is allowed to increase to 3 times the value specified in the special technical conditions.
4.10 Insulation dielectric strength
The induction phase shifter shall be able to withstand the insulation dielectric strength test specified in Table 6. The test shall comply with the provisions of Article 3.7 of GB7345. After the strong impact test, the maximum peak hysteresis current of the winding is allowed to increase to 1.5mA. Table 6 Test voltage (effective value)
Winding to housing and stator winding to rotor winding 20, 28 frame
Insulation resistance
36, 45 frame
Between windings on the same core
20, 28 frame
The insulation resistance of the inductive phase shifter shall comply with the provisions of Article 3.8 of GB7345. 36,.45 frame
Under normal test conditions, the insulation resistance should not be less than 100M; under the specified extreme negative temperature conditions, the insulation resistance should not be less than 50MA; under the specified high temperature conditions, the insulation resistance should not be less than 10.Mn; after the constant damp heat test, the insulation resistance should not be less than 2MM; after the alternating damp heat test, the insulation resistance should not be less than 50MM, and the insulation resistance should not be less than 25MO after the strong impact test and the insulation dielectric strength test. 4.12 Open circuit input impedance
The open circuit input impedance value of the inductive phase shifter should comply with the provisions of the special technical conditions, and its tolerance is ±20% for frame 20; ±15% for frame 28 and above.
4.13 Phase error
4.13.1 Accuracy level
The difference between the fundamental phase shift of the output voltage of the inductive phase shifter and the actual rotor angle is the phase error. The accuracy level of the inductive phase shifter is determined according to the phase error, which is divided into three levels, and its value should not exceed the provisions of Table 7. 4
Accuracy level
Phase error
4.13.2 Accuracy level relaxation value
JB/T622592
After the identification test or periodic test and strong impact test, the phase error should not be greater than that specified in Table 3. Table 8
Accuracy level
After the case test or periodic test
After the strong impact test
Output voltage
The output voltage of the inductive phase shifter shall comply with the provisions of Article 3.5, and its tolerance is ±10%. 4.15 Short-circuit output impedance
The short-circuit output impedance of the inductive phase shifter shall not be greater than that specified in the special technical conditions. 4.16 Frequency range
The inductive phase shifter can be used at a higher frequency, and its range is specified in Table 9. When it is used above the rated frequency to the upper frequency limit, its phase error should not be greater than that specified in Table 10.
Use digital sample
0.050.135
Phase error
4.17 Electromagnetic interference
When the special technical conditions require, the electromagnetic interference of the inductive phase shifter shall comply with Article 3.11 of GB7345 and the provisions of the special technical conditions.
4.18 Vibration
4.18.1 Fixed amplitude vibration
The inductive phase shifter shall be subjected to the fixed amplitude vibration test in accordance with Article 3.18.1 of GB7345 and the provisions of the special technical conditions. During the test, no damage to the machine, loose fasteners or poor contact shall occur. After the test, check according to No. 22 in Table 12 to meet the requirements. 4.18.2 High-frequency vibration
The inductive phase shifter shall be subjected to a high-frequency vibration test in accordance with Article 3.18.2 of GB7345 and the provisions of the special technical conditions. During the test, no mechanical damage, loose fasteners, or poor connection shall occur. After the test, check according to No. 23 in Table 12 to meet the requirements. 4.19 Shock
4.19.1 Specified pulse shock
The inductive phase shifter shall be subjected to a specified pulse shock test in accordance with Article 3.19.1 of GB7345 and the provisions of the special technical conditions. During the test, no mechanical damage, loose fasteners, or poor contact shall occur. After the test, check according to No. 24 in Table 12 to meet the requirements. 5
JB/T6225-92
4.19.2 Strong impact
When the special technical conditions require it, the inductive phase shifter shall be subjected to a strong impact test in accordance with 3.19.2 of GB7345. After the test, there shall be no mechanical damage, loose fasteners or poor contact. It shall meet the requirements according to the inspection of No. 34 in Table 12. 4.20 Low pressure
4.20.1 Low temperature and low pressure
The inductive phase shifter shall be subjected to a low temperature and low pressure test in accordance with the low temperature and pressure specified in 3.17.1 of GB7345 and the special technical conditions. During the test, the current waveform of the contact circuit of the inductive phase shifter shall not disappear. After the test, it shall meet the requirements according to the inspection of No. 25 in Table 12. 4.20.2 High temperature and low pressure
The inductive phase shifter is subjected to high temperature and low pressure test according to the high temperature and pressure specified in Article 3.17.2 of GB7345 and the special technical conditions. During the test, the current waveform of the contact circuit of the inductive phase shifter shall not disappear. After the test, check according to No. 26 in Table 12 to meet the requirements. 4.21 Low temperature
The inductive phase shifter is subjected to low temperature test according to the low temperature ambient temperature specified in Article 3.14 of GB7345 and the special technical conditions. After the test, no jamming is allowed, and check according to No. 27 in Table 12 to meet the requirements. 4.22 High temperature
The inductive phase shifter is subjected to high temperature test according to the high temperature ambient temperature specified in Article 3.15 of GB7345 and the special technical conditions. After the test, check according to No. 28 in Table 12 to meet the requirements. 4.23 Temperature shock
When the special technical conditions require, the inductive phase shifter shall be subjected to temperature shock test according to the temperature specified in Article 3.16 of GB7345. After the test, check according to No. 29 in Table 12 to meet the requirements. 4.24 Constant acceleration
When the special technical conditions require. The inductive phase shifter shall be subjected to constant acceleration test according to Article 3.20 of GB7345 and the special technical conditions. During the test, the inductive phase shifter shall not have poor contact. Check according to No. 30 in Table 12 to meet the requirements. 4.25 Damp heat
4.25.1 Constant damp heat
The inductive phase shifter shall be subjected to constant damp heat test according to Article 3.21.1 of GB7345. After the test, check according to No. 31 in Table 12 to meet the requirements.
4.25.2 Alternating damp heat
The induction phase shifter shall be subjected to the alternating damp heat test in accordance with 3.21.2 of GB.7345. After the test, it shall meet the requirements by checking according to No. 32 of Table 12.
4.26 Life
The induction phase shifter shall be subjected to the life test in accordance with 3.22 of GB7345. During the test, the rated input voltage shall be applied and the rotor shall rotate at 600±30r/min for 2000h. During the test, the current waveform of the contact circuit of the induction phase shifter shall not disappear. After the test, it shall meet the requirements by checking according to No. 33 of Table 12.
4.27 Explosion
When the special technical conditions require it, the induction phase shifter shall work in an explosive atmosphere without causing dry explosion according to 3.24 of GB7345.
4.28 Salt spray
When the special technical conditions require, the inductive phase shifter shall be subjected to salt spray test in accordance with Article 3.25 of GB7345. After the test, no part shall have obvious rust and destructive deterioration. 4.19 Weight
The weight of the inductive phase shifter shall comply with the special technical conditions. 5. Test method
5.1 Climate conditions
5.1.1 Normal climate conditions
JB/T6225-92
Normal climate conditions shall comply with Article 3.1.1.1 of GB7345. 5.1.2 Arbitration climate conditions
Arbitration climate conditions shall comply with Article 3.1.1.2 of GB7345. 5.1.3 Reference climate conditions
Reference climate conditions shall comply with Article 3.1.1.3 of GB7345. 5.2 Test power supply
5.2.1 Voltage
The tolerance of rated input voltage is ±3%. The internal resistance of the power supply shall not be greater than 500 (50Hz to 4kHz) or 150n (10kHz to 500kHz). 5.2.2 Frequency
The frequency stability shall not be less than 1×10-
5.2.3 Waveform
The voltage waveform is a sine wave, and the waveform distortion is not greater than 0.5%. 5.3 Electrical measuring instruments
5.3:1 Frequency multiplier
The input impedance of the tripler and quadrupler shall not be less than 300kn (50Hz to 75kHz) or 100kQ (150kHz to 500kHz): signal distortion is less than 0.3%; after preheating for 30 minutes, there is no obvious phase drift within 10 minutes, and the requirement of returning to the test zero position can be guaranteed. The circuit composition of the frequency multiplier can refer to the following formula: High input impedance attenuator
Selection circuit
Preselection circuit
Output circuit
The quality factor of the selection circuit in the above formula should be controlled at about 7. 5.3.2 Voltmeter
The voltmeter is not less than level 2.5, and the input impedance is greater than 150kn. Phase detection circuit
5.3.3 Oscilloscope
The oscilloscope uses SBT-5 synchronous oscilloscope or SBE-7 two-line oscilloscope, or other oscilloscopes that are better than these two models. 5.3.4 Dividing head
The angle error of the dividing device is not greater than 1'. 5.4 Several provisions in the test
5.4.1 Installation
The inductive phase shifter is generally installed horizontally.
5.4.2 Grounding
During the phase error test, the inductive phase shifter should be grounded. 5.4.3 Test regulations
The phase error test should start from the test zero position, and the error of returning to the test zero position shall not be greater than 3.5.5 Appearance
Visual inspection of the appearance quality of the inductive phase shifter shall meet the requirements of Article 4.7.1. 5.6 Appearance and installation dimensions
Use a measuring tool that can ensure the dimensional accuracy requirements to check the appearance and installation dimensions. It shall meet the requirements of Article 4.7.2. 5.7 Radial clearance
JB/T6225-92
The radial clearance inspection shall be carried out in accordance with the method specified in Article 3.2.2 of GB7345, and its value shall meet the requirements of Article 4.7.3. The size and force application position of the radial thrust shall be specified by the special technical conditions. 5.8 Axial clearance
The axial clearance inspection shall be carried out in accordance with the method specified in Article 3.2.3 of GB7345, and its value shall meet the requirements of Article 4.7.4. Axial thrust: 5N for 20 and 28 frames; 10N for 36 and 45 frames. 5.9 Shaft extension radial runout
Shaft extension radial runout shall be carried out in accordance with the method specified in Article 3.2:4 of GB7345, and its value shall meet the requirements of Article 4.7.5. 5.10 Coaxiality of mounting mating surface
The coaxiality of mounting mating surface shall be checked in accordance with the method specified in Article 3.2.5 of GB7345, and its value shall meet the requirements of Article 4.7.6. 5.11 Verticality of mounting mating end face
The verticality of mounting mating end face shall be checked in accordance with the method specified in Article 3.2.5 of GB7345, and its value shall meet the requirements of Article 4.7.7. 5.12 Terminals
5.12.1 Lead-out wires
Check the terminal lead-out method, marking code, color, length and sleeve color, which shall meet the requirements of Articles 4.2.1 to 4.2.3. 5.12.2 Terminal Strength
The lead wire and terminal strength shall be tested in accordance with the provisions of Articles 3.9.1 to 3.9.3 of GB7345 and shall meet the requirements of Article 4.2.4. 5.13 Wiring Correctness
Install the inductive phase shifter on the indexing device, connect according to Figure 2 (a), excite at rated frequency and rated input voltage, and rotate the rotor to minimize the voltmeter reading. Then connect according to Figure 2 (b), excite at the same time, when the rotor rotates in the opposite direction from the above position, the voltmeter reading gradually decreases from large, then R2 and R4 are correctly connected. If the voltage increases instead, R2 and R4 are incorrectly connected and should be swapped. The wiring correctness shall meet the requirements of Article 4.5.
Figure 2 Check the wiring correctness Wiring diagram
5.14 Phase zero position
The inductive phase shifter is fixed on the indexing device, and the wiring is performed according to Figure 2 (a). The rotor is rotated to make the voltage meter reading minimum, and then the wiring is performed according to Figure 3. The rotor is rotated in the opposite direction to make the voltage meter reading minimum. At this time, the rotor position is the phase zero position. According to the provisions of Article 4.6, a clear and firm mark should be made on the shaft extension and the housing.
5.15 Brush contact resistance change
JB/T6225-92
Figure 3 Determine the phase zero position wiring diagram
The brush contact resistance change is carried out according to the method specified in Article 3.6 of GB7345, and its value should meet the requirements of Article 4.8. 5.16 Friction torque
The friction torque is checked according to the method specified in Article 3.2.6.1 of GB7345, and its value should meet the requirements of Article 4.9. 5.17 Insulation dielectric strength
Insulation dielectric strength should be tested according to the method specified in Article 3.7 of GB7345 and should meet the requirements of Article 4.10. 5.18 Insulation resistance
Insulation resistance should be tested according to the method specified in Article 3.8 of GB7345 and should meet the requirements of Article 4.11. 5.19 Open circuit input impedance
Connect according to Figure 4, add rated frequency and rated input voltage U, (read on the voltmeter) to both ends of S1 and S3, then read the voltage U, on the non-inductive resistor R (read on the voltmeter), and calculate the open circuit input impedance Z according to formula (2), which should meet the requirements of Article 4.12 2
Where: z--open circuit input impedance, a;
R--non-inductive resistance, should be less than 10α and measured with a bridge with a 0.2 level accuracy, α. R2
Wiring diagram for measuring open circuit input impedancebZxz.net
The wiring resistance between points A and A' and the connection resistance of the voltmeter should be minimized to reduce measurement errors. If the test frequency deviates from the rated value, it should be converted to the impedance value of the rated frequency according to formula (3). Zu=2
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