Some standard content:
[CS25.060.10
Machinery Industry Standard of the People's Republic of China
JB/T 3022—2004
Replacement of JB/T3022—1991
Micro switch
Micro-gap switches
2004-03-12 Issued
2004-08-01 Implementation
Statement issued by the National Development and Reform Commission of the People's Republic of China
2 Reference documents of fuel specification
3 Definitions, symbols and codes
3.1 Terms and definitions
3.2 Special numbers and codes
4.1 Classification of installation switch types
Classification by structural type
Classification by protection type
4.4 Classification of hot-swap type.
5 Basic parameters
5.1 Rated values
5.2 Whether adjacent contact elements are electrically separated 6 Normal working conditions and installation arrangement 6.1 Operating conditions 6.2 Installation conditions 7.1 Dimensional requirements 7.2 Performance requirements Test methods Verification structure requirements Verification performance requirements 9 Inspection rules Classification of inspections and tests Type test Output test Special instructions Marking, packaging, shipping box, storage 10.3 Near grab, storage
down record A: normative appendix) plug-in type change line terminal of the appearance structure, plug-in force and test method, A.1 plug-in type connection wax appearance structure and capture force A.2 plug-in type connection shrinkage machine vibration energy test diagram! Switch opening and closing parts position
diagram? Carbon-free time micrometer circuit
diagram connection measurement circuit
JB/I3022-2004
JB/3022-2004
diagram, 4 batch contacts, electrically two non-separated multi-camera control switch test circuit 5 reverse polarity contacts, electrically separated multi-transmitter control switch test circuit diagram 6 load L circuit diagram...
diagram electrical life test more than standard push Circuit diagram, Figure 8 Electrical life test Commercial circuit diagram
Figure A1 Sketch
Figure A.2 Plug and switch fixed type
Figure A.3 Plug and switch
Table 1 Rated working voltage and rated control capacity
Table 2 Type of switch
Table 3 Minimum electrical
Table 4 Minimum slow discharge
Table 5 Temperature rise limit values of each part of the switch
Table 6 Switch The withstand voltage test values
show the parameters of the switch's connection and disconnection capacity under normal conditions. Table 8 The connection and disconnection static operation sequence, times and excitation rate of the switch under normal conditions. Table 9 The connection and disconnection capacity under non-normal conditions is shown in Table 10
Mechanical change number and operation frequency
Electrical life test data
The working withstand voltage value and insulation sensitivity value in moisture resistance are shown in Table 13
Table A ,1
Test integer allowable deviation
Test circuit connection line
Main dimensions of plug-in type plug
Main dimensions of plug-in or plug-in sleeve
When the plug is close to the plug, push force,
Apply axial push and pull force to the sleeve
IHF3022--2004
This standard replaces InT30221991<Micro-switch related%. This revision is based on GB 14048.1-2000 "General Rules for Low-voltage Switchgear and Controlgear 3" (eqvEC60947-1:1999) and GB140485-2001 (Low-voltage Switchgear and Controlgear Part 5-1: Control Circuit Appliances and Component-type Control Circuit Appliances" (eqvEC60947-5-1:1997). Compared with JB/T3022-1991 "Microswitch", the main changes of this standard are as follows: - The two grades of AC-I1 and DC-11 in the use category are cancelled; two methods for determining the dielectric properties of the measuring position are added in the temperature rise test; - The requirements for verifying the connection and disconnection capacity under normal conditions are added: "The loss is high during transportation and late at Storage temperature: 1. The test method of electrical life in type test has been revised, and it has been changed to double 3 system or belt & system... The machine recovery life test has been changed from type test to special test and the period test has been cancelled:
The content of A, 2 in Appendix A has been revised.
The Yin A of the standard is a normative appendix.
This standard is proposed by China Machinery Industry Federation. The core standard is Chengdu Machine Tool Electrical Research Institute. Who drafted this standard: Shanghai First Machine Tool Electrical. The standard is mainly composed of: Hui Zhijie
The previous versions of the standards replaced by the association standard are as follows: --- JB3022--19RI, JN/T30221991.1 Scope
Micro switch
JR/T 3022-2004
The standard specifies the general basic requirements for micro switches (hereinafter referred to as simple switches), including definition, classification, basic parameters, technical requirements, test methods, inspection specifications, labeling, packaging, transportation and storage. This standard is used in control auxiliary circuits with voltage up to 3UV and DC medium voltage up to 220V, and is used as a control and signal link.
2 Normative references
The clauses in the following documents become the clauses of this standard through the reference of this standard: All dated references shall be used in accordance with the layer The revised version (excluding the content of the lapsed date) or the revised version is not applicable to this standard. However, all parties who are willing to cooperate with this standard are encouraged to use the latest version of this document. For any undated referenced document, the latest version applies to this standard. GHT2423.1—2001 Environmental testing for electrical products Part 2, Test method Test A: Low Vision C(0()s2-1:199(1)
CBT2423.2-2000 Environmental testing for electrical products Part 2: Test method Test B, High temperature (idl EC600G8-2-2.1974)
G2423.4—1993 Basic environmental test procedures for early industrial electronic products Test Dh: Cross-source heat test method (eV positive C66068-2-30:1980
GB/T282 19R7 Batch inspection 1 Sampling quantity sequence and sampling table (for the inspection of subsequent batches): GB/T2900.18—192 Electrical T terminology Low-voltage electrical appliances (BC60050.441:1984) GB/T4026—1997 Electrical equipment terminals and specific wires Identification of wire ends and general rules for the use of digital systems (egIEC60445:19881
GBL4205-1584 Standard movement direction of operating parts for controlling air outlet equipment (eqVIEC60447:1974) GB/T4207--19R4 [Determination of relative tracking index and leakage tracking index of solid insulating materials under humidification conditions (neqJECot12:1979)
GB4208-1993 Enclosure expansion protection grade [P code) (eqV60529:1569! (/T4728.7-20(O Graphical symbols for electrical tubes Part 7: Switch control and protection devices: idtEC60617-7:1996) GB/T5169.10 "1007 Fire hazard test method for electrical and electronic products Glow-wire test method must be idEC6(0695-2-1/0:1994:
GBS[69.I-1997 Fire hazard test method for electrical and electronic products Glow-wire test and measurement of products"i正C60695-2-1/1:1994 3
GB5226.12002 Mechanical installation Part 1: Technical requirements for electrical equipment (IEC60204-1:2 (U2, nJT) GB/T14048.1--2000 Low-voltage switchgear and control equipment General rules (egV-C6947-1:1909) GB14048.5--2001 Low-voltage switchgear and control equipment Part 5-1: Control circuit breaker and switch components (egV-C60947-5-1:1997) 3 Terms, definitions, symbols and codes
3.1 Terms and definitions
GB/T2900.18-19921 GB14048.5-2001 and the following terms and definitions apply to this standard. 3.1.1
Actuatorctatnt
JB/3022-2004
The switch is subjected to external forces. The driving movement makes the switch in the state of action or inaction. 3.1.2
Auxiliary actuatorauxdilaryctuator
Installed on the switch that is not suitable for driving, so as to make it a structural accessory. 3.1.3
Positionpositlon
The relationship between each position is shown in the figure! .
Free positionfreenositinn
Figure 1 Switch actuator position
The switch is in the original position when it is not subjected to external forces. 3.1.3.2
Actuation position
operationprsitlon
The position of the driving part or the auxiliary driving part when the applied force increases to the point where the instantaneous mechanism is actuated. 3.1.3.3
Release position
The position of the driving part or the auxiliary driving part when the applied force decreases to the point where the instantaneous mechanism is restored to its original position. 3.1.3.4
Total-travel positionThe total-limit position to which the driving part or the auxiliary driving part must be moved by increasing the applied force. 3.1.4
The travel relationship of the driving part or the auxiliary driving part is shown in Figure 1.
Action derivative
aperationlravel
The distance between the white mountain position and the action position 3.1.4.2
Verrave
The distance between the switch contact and the action position after the whole contact moves Note: For these contacts, it is the distance of the contact after the closing force is generated by the pull of the contact. 3.1.4.3
direct travel
the distance between the independent position of the action and the full release position, 2
total travel
to the distance between the working stroke and the stop stroke
release stroke
the distance between the release position and the neutral position, 3.1.5
force foree
operation force operation
the force carried by the drive or auxiliary drive from the self-mountain position to the action position. 3.1.5.2
release force release force
after the action: the driving force is reduced to the level that can make it return to the release position 3.2 Holding number and code
GB404H.5—2K! The correct symbols and the following are applicable to this standard 4 Classification
4.1 Classification by contact conversion type
a) Single point:
b) Double point.
4.2 Classification by structural type
a) Standard pole column base type:
b) Cabinet spring pipe column case type:
c) Mountain board installation type Www.bzxZ.net
d) Surface pull installation type
? Hinge lever type:
f) Hinge roller lever type
g Others,
4.3 Classification by protection type
a) Open type:
b) Protective type.
4.4 Classification by wiring type
a) Type:
5) Pull-out type:
Welding type.
5 Basic parameters
5.1 Rated values
5.1.1 Rated working voltage and rated control capacity Rated working voltage and rated control capacity are shown in Table 1.5.1.2 Rated continuous voltage
The rated range of the switch is 400V, 250V, 125V, 50V, and 25V.1/1 3022-.-200a
JB/T3022—2004
Current type
Table 1 Rated working voltage and rated control capacity Rated working year
10220380
110220
Rated control capacity
VA or W
3672:001803172
$10203060:20240
When the manufacturer does not specify the rated absolute voltage (U): the larger value of the rated voltage (U) value shall be taken as the rated terminal voltage) value
5.1.3 Rated impulse withstand voltage
It shall be able to withstand the rated impulse withstand voltage under the specified test conditions. The peak value of the impulse voltage with specified waveform and characteristics without derating is also positive: it should be equal to or greater than the transient double-circuit rated value that can be generated in the circuit in which the switch is located. 5.1.4 Rated free air thermal current Im The rated free air thermal current () level of the switch is specified as 15A, 10A, 5A, 2.5A, 1A.05A 5.1.5 Rated working mode
The rated working mode of Sichuan Mei shall comply with the provisions of 4.3.4 in GB/T1404B.1-200. 5.1.6 Rated limiting short-circuit current
The new specified limiting short-circuit current reduction is a switch that is manufactured with a specified short-circuit protection device under the test conditions specified in the component product standard. It can withstand well within the action time of the short-circuit protection device. The expected short-circuit current value shall be determined by the manufacturer. The specific requirements for short-circuit protection energy specified in the "manufacturer's regulations" shall be determined by the manufacturer. 5.1.7 Usage category See Table 2 for the usage category. Table 2 Usage category of switches Current type Usage category AC:-14V 5.2 Phase contact elements are electrically classified. Typical selection: Control load with resistive load and photoelectric coupling isolation group load Control with fixed load with variable isolation (72VA) Control disconnection AC load (72VA) Control resistive load and photoelectric isolation monitoring circuit There is a new resistance in the straight line to determine whether the state of the adjacent contact components in the circuit 1 is separated, the manufacturer's standard and instructions should clearly state, 6 Normal working conditions and installation instructions
6.1 Normal working conditions
6.1.1 Ambient air temperature
The ambient air temperature does not exceed +40°C, and its average temperature within 24 hours does not exceed +35%: the lower limit of the ambient air temperature is
6.1.2 Hydration
The sea level at the installation site does not exceed 2 (KH)m. 6.1.3 Atmospheric conditions
e.:, 3.1 Humidity
The maximum temperature is -40°C, and the relative humidity of the air does not exceed 50%. Higher relative humidity can be allowed under lower conditions!! When it reaches 20, it reaches 9%. Special measures should be taken to avoid exposure caused by occasional temperature changes. 4
6.1.3.2 Pollution level
The pollution level is divided into;
Pollution level 2:
b) Pollution level 3,
6.2 Installation conditions
The installation conditions are specified by the product certificate
62.1 Installation category
The installation category is divided into I, II, I1: The specific product standard should specify the installation category of the product. 7 Structural and performance requirements
7.1 Structural requirements
JI/F3022—U04
The switch should be designed to withstand the stress generated during installation and normal working pressure. The optional switch should also have the ability to withstand abnormal heat and fire and short-circuit resistance.
7.1.1 Materials
The materials of the switch shall have corresponding abnormal heat and fire resistance and performance. 7.1.1.1 Abnormal heat and fire
Insulating materials that may be affected by thermal stress under the action of electricity and may reduce the safety of the switch shall not have adverse effects under the action of abnormal heat.
The hot wire test of the insulating material components used for the current-carrying parts on the switch shall be carried out at a temperature of 850℃ or 960℃ according to the fire resistance of the material parts. Except for the insulating material components that meet the requirements of 1., the hot wire test of other insulating material components shall be carried out at a temperature of 65%. 7.1.1.2 Thermal resistance
The switch shall have the ability to withstand the heat that may occur in normal working conditions, so as to verify the suitability of the switch for use in humid environments. This standard stipulates that the alternating thermal test is used as the assessment method. 7.1.2 Current-carrying parts and their connections shall comply with 7.1.2 of GH14048.5-2001, 7.1.3 Electrical clearances
7.1.3.1 For switches with specified rated impulse withstand voltage () values, the minimum clearance values of the corresponding installation categories and pollution levels shall be specified in Table 3. Minimum clearance values of machine-to-ground voltages of power supply system 50 --100 100 -- 150 #50 -- 3DU Installation category Pollution level 2 Pollution level 3 Minimum clearance between the two terminals Safety category II Pollution level 2 300 -- 600
The value of the heartbeat barrier specified in the table does not prove the following types of head opening and testing of the parts. The pollution level is 3
Research level 2
Pollution level 1
The following types of circuit breakers are used. When the switch uses an electrical clearance smaller than that specified in the table, the minimum electrical clearance of the switch before the impact (Um) value specified in GBT14048.1--20009.3.3.43 shall be allowed and paid [test response,
7.1.3.2 meters shall be specified or the minimum electrical clearance of the switch before the impact (Um) value shall comply with GB14048.52001 for the recording period D
JIB/T 3022—2004
7.1.4 Creepage distance The minimum creepage distance of the switch should be equal to the rated insulation voltage (or actual 1. Make a pressure), pollution level and insulation material group. The material type can be divided into two types according to its relative leakage current index (CT): Insulating material group I Insulating material group II Insulating material group 600SGTI 175 :CT- 400
100:G.175
specifies the rated impact value of the current connection (see Table 4 for the small creepage distance of the switch. 7.1.4.1
Table 4 Minimum creepage distance
State related are all absolute
green or actual
working voltage, with
effective value or point secretion
125127)
Material group
Conducting grade 2
Material group test
Crown small creepage current Chen residence
Miscellaneous number 3
Material group
anaitb
Material roughness
Material group
Material group
7.1.4.2 Wood specification complete rated impact The minimum creepage distance of switches with a withstand voltage value of 7-1000V shall comply with the provisions of Appendix D of B14048.52001.
7.1.5 Actuator
7.1.5.1 The insulator ball of the selector mechanism
The operating system components of the actuator shall be well insulated from the electrical components to ensure safe operation. 7.1.5.2 The movement direction of the actuator
The movement direction of the actuator shall comply with the provisions of GB/T42051984. 7.1.5.3 Operating force (or torque)
The force (or torque!) required to operate the actuator shall be suitable for the designated purpose, taking into account the size of the actuator, the type of housing or control panel, the environmental conditions of the installation and its designated purpose. The minimum force or torque) should be large enough to prevent accidental operation. 7.1.5 .4 (Rotary switch) rotation limit When the actuator is stopped for position movement or single action: These actuators should be equipped with a strong limit device capable of withstanding 5 times the maximum operating torque.
7.1.6 Contact position indication
The closed and open positions of the switch are clearly indicated: If symbols are used: According to the provisions of GR/47287-2000,
7.1.7 Terminals
7.1.7.1 Structural requirements for wiring terminals
7.1.7.1.1 Screw-type wiring terminals
The structure of the terminal should ensure good electrical contact and maximum current carrying capacity, and should have sufficient mechanical strength and sufficient knife to tighten the wire without stressing the wire. ,
The structure of the wire terminal also ensures that the connecting cable will not be displaced. This will cause harmful effects on the insulation of the work or other specified installation. n
Explosion: The specifications of the plug-in wiring terminals are M2.5.M3, M3.5, and M4. It is recommended to use a combination of plug-in wiring terminals as much as possible. 7.1.7.1.2 Plug-in wiring terminals
The appearance structure and specifications of the plug-in terminals are shown in Appendix A: 7.1.7.2, the connection of the wiring terminal
JB/13022—2001
When connecting external wires: the narrow product enters and is convenient for wiring: the upper and lower parts of the rotor should be clamped downward to fix the other parts. 7.1.7.3 The ability of the wiring terminal to connect the conductor is simple? The type of connecting wire (rigid or relatively large wire, single strand or multi-strand), the maximum and minimum wire cross-sections, and the number of wires that can be connected to the terminal at the same time are all specified in this product standard: 7.1.7.4 Marking of terminal blocks The marking of terminal blocks shall comply with the provisions of GB/T4026-1992 and shall be clearly and durably identifiable. 7.1.8 Protective earthing terminal 7.1.8.1 There shall be a dedicated connection terminal and mark for it: and this protective earthing terminal shall be placed in a place that is easy to connect and destroy: and when the appliance or any other detachable parts are removed, the proximity between the appliance and the earthing electrode or protective body shall still be ensured. 7.1.8.2 The marking of the protective earthing terminal shall comply with the provisions of GB/T4026-[992 and shall be clearly and durably identifiable. 7.1.9 Switch enclosure
The design of the switch and the enclosure shall comply with the provisions of 7.1.10 in B/T14048.12IK0. 7.1.10 Protection level
The protection level of the switch for machine tools shall comply with the provisions of GBT5226.1-2002. The protection level of the enclosure of the switch shall be selected according to the specific product conditions and GB4208-1993. 7.1.11 Switch exterior
7.1.11.1 The switch shall be made of metal parts and have a reliable anti-corrosion layer. The metal surface shall be free of cracks, bubbles and coating shedding. The surface of the pressed parts shall be smooth: there shall be no obvious bubbles, cracks or pits. 7.111.2 The connecting screws shall not be loose. 7.1.12 The overall dimensions and installation dimensions of the switch shall comply with the specific product standards. 7.2 Performance requirements
The following performance requirements apply to the complete new product. 72.1 Operation performance
The switch shall be flexible in operation and free of jamming. 7.2.2 Action parameters
All parameters affecting the required performance of the switch (such as action force, reset force, action travel, overtravel, differential, contact distance, etc.) shall be specified in the specific product standard or drawing.
72.3 Complex error of switch action position
Unless otherwise specified in the product standard, the complex error of the switch can be selected according to the following values: 0.1mm: 0.5mm, 0.03mm, 0.01mm 17.2.4 Switching time
Unless otherwise specified in the product standard Regulations, the maximum switching time of the switch should be less than 40m1s, 72.5 contact resistance
the contact resistance of the switch head should not exceed 10Klm27.2.6 temperature rise
temperature rise Therefore, for new and old switches, under the current test conditions, their standard "double limit power" shall not exceed the provisions of Table 7.2.7 Electrical performance
JB/T3022-2004
handpiece
Table 5 temperature rise limit values of each part of the switch
parts are called And material type
Possible and non-existent parts
Wiring connector
7.2.7.1 Impact withstand voltage
Non-Jincheng
New City Gongxinyou
Conform to the provisions of GB/T1448.1-2U17.2.3, the following series of supplementary items: Rising Jianzhan
! If the electrical insulation capacity of the switch is not in accordance with the value of Table 3, the rated impact withstand voltage should be used to indicate the dielectric properties. The method for determining the minimum value is as follows:| |tt||1) Unless otherwise specified in the product specification, the rated output voltage of the switch shall be determined according to the rated output voltage of the power supply system of its overvoltage category, and the rated surge voltage of the switch shall be determined in accordance with the R2000 table. If the switch is applicable to more than ten overvoltage categories, the highest corresponding voltage (the highest overvoltage category) shall be verified. 2: The rated surge voltage value of the low-speed operation is the recommended value tested at an altitude of 2000m. If the test is carried out at different altitudes of 200hm, the peak value of the surge voltage shall be in accordance with GB.T140M5.1:2KK0 Table 12:) It is recommended that all the good gas intervals of the switch should not be less than the determined values in Table 3, and it is not necessary to conduct impulse withstand voltage test, but the dielectric properties of the insulation and insulation still need to be verified, and the verification is allowed before use. 7.2.7.2 Power frequency withstand voltage
7.2.7.2.1 If the specific product standard stipulates that the power frequency withstand voltage test shall be carried out to verify the electrical performance, the test voltage value shall be selected from the requirements of Table 6
Rated voltage
60-300
300660
Table 6 Power frequency withstand voltage test value of switch
The above rated withstand voltage test value is the full effective value!
72.2.2 Regarding the verification of dielectric properties after the energy test, it is stipulated that the |mi vibration withstand test should be used. 7.2.7, 2.3 The conventional test period of the relevant provisions shall be verified by the 13 power frequency withstand voltage test. 7.2.8 Making and breaking capacity under normal and abnormal load conditions 7.2.8.1 Making and breaking capacity under normal conditions The switch should be able to make and break the circuit under the conditions of the load period without losing the recognition of the making and breaking capacity of the switch under normal conditions.
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