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GB/T 21711.7-2018 English PDF

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GB/T 21711.7-2018: Electromechanical elementary relays -- Part 7: Test and measurement procedures
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GB/T 21711.7-2018English1384 Add to Cart 10 days [Need to translate] Electromechanical elementary relays -- Part 7: Test and measurement procedures Valid GB/T 21711.7-2018

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Basic data

Standard ID GB/T 21711.7-2018 (GB/T21711.7-2018)
Description (Translated English) Electromechanical elementary relays -- Part 7: Test and measurement procedures
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L25
Classification of International Standard 29.120.70; 31.220.99
Word Count Estimation 73,771
Date of Issue 2018-06-07
Date of Implementation 2019-01-01
Regulation (derived from) National Standard Announcement No. 9 of 2018
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 21711.7-2018: Electromechanical elementary relays -- Part 7: Test and measurement procedures

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Electromechanical elementary relays--Part 7. Test and measurement procedures ICS 29.120.70; 31.220.99 L25 National Standards of People's Republic of China Basic electromechanical relay Part 7. Test and measurement procedures Part 7. Testandmeasurementprocedures (IEC 61810-7.2006, IDT) Published on.2018-06-07 2019-01-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 3 4 Test and measurement procedures 11 4.1 General 11 4.2 Difference 11 4.3 Measurement Accuracy 11 4.4 Power supply 11 4.5 Standard conditions for testing 11 4.6 Visual inspection and dimensional inspection 12 4.7 Mechanical testing and weighing 13 4.8 Relay Coil Characteristics 13 4.9 Dielectric withstand voltage test 17 4.10 Shock voltage test 18 4.11 Insulation resistance 18 4.12 Contact Circuit Resistance (or Voltage Drop) 19 4.13 Functional Test 20 4.14 Time measurement 25 4.15 Climate Test/Sequence 28 4.16 Constant damp heat 30 4.17 Coil Thermal Resistance 30 4.18 Temperature rise 31 4.19 Rapid temperature change 33 4.20 Housing 33 4.21 Internal humidity 34 4.22 Corrosive atmosphere 35 4.23 Long mildew 36 4.24 Outlet strength 36 4.25 Soldering 37 4.26 Impact 37 4.27 Collision 38 4.28 Vibration 39 4.29 Steady-state acceleration 40 4.30 Electrical durability 40 4.31 Mechanical durability 43 4.32 Thermal Durability 43 4.33 ultimate continuous current 44 4.34 Overload (contact circuit) 44 4.35 Load Conversion 45 4.36 Electromagnetic Compatibility 46 4.37 Magnetic interference 46 4.38 Crosstalk and insertion loss 47 4.39 Electrical Contact Noise 47 4.40 Thermal Electromotive Force (emf) 48 4.41 Capacitor 48 4.42 Contact Bonding (Delayed Release) 48 4.43 Remanence 49 4.44 Noise 50 4.45 Continuity of Protective Earthing 51 4.46 Fluid contamination 51 4.47 Cleaning agent 52 4.48 Fire hazard 53 4.49 Temperature rise under rated load 53 4.50 mechanical interlock 54 4.51 Insertion force and separation force (supporting relays and sockets) 54 Appendix A (Normative Appendix) Temperature Rise Test Configuration 55 Appendix B (Normative Appendix) Fire hazard test 56 Appendix C (Normative) Test Circuit 60 for Durability Testing Appendix D (informative) Inductive contact load 66 Reference 68 Figure 1 Typical coil transient suppression measurement circuit 16 Figure 2 Typical waveform diagram on the oscilloscope screen during transient voltage measurement Figure 3 Monostable non-polarized relay 21 Figure 4 monostable diode polarization relay 22 Figure 5 Monostable Polarization Relay with Magnetic Bias 23 Figure 6 Bi-stable non-polarized relay (not applicable to remanent relays) 24 Figure 7 bistable polarization relay 25 Figure 8 Typical circuit for measuring time parameters 26 Figure 9 Typical waveform diagram on the oscilloscope during time test Figure 10 load conversion test circuit 45 Figure 11 Arrangement of adjacent relays of the same type 46 Figure 12 Magnetic current interference test method 3 test current direction 47 Figure 13 Sequence of residual magnetization test Figure 49 Figure 14 Test setup for noise emissions 50 Figure A.1 Test configuration 55 Figure B.1 Location of glow wire and thermocouple 57 Figure B.2 Glow wire test device (schematic diagram) 58 Figure B.3 Needle flame test details 59 Figure C.1 Standard Test Circuit 60 Figure C.2 Functional Block Diagram 61 Figure C.3 Cable load circuit 63 Figure C.4 Test circuit for inrush current loads (such as capacitive loads and simulated tungsten filament load) - AC circuit 63 Figure C.5 Relay Tungsten Lamp Test Example with Rating 10A/100A/250V~/2.5ms 64 Figure C.6 Test circuit for inrush current loads (such as capacitive and analog lamp loads) - DC circuit 64 Figure C.7 Test circuit for inrush current loads (eg analog fluorescent lamp loads) (with power factor correction) 65 Table 1 coil voltage value and corresponding function 20 Table 2 Current drawn by the lead, cross-sectional area and length of the wire 32 Table 3 contact loading circuit Figure 42 Table 4 Test liquid and test temperature 52 Table C.1 Contact Load Power Characteristics 61 Table C.2 Characteristics of standard contact loads 61 Table D.1 Verification of AC-15/DC-13 On and Off Capacity (Standard Conditions) 66 Table D.2 Turn-on and turn-off capacities for electrical durability tests 67

Foreword

GB/T 21711 "Basic Electromechanical Relay" is currently divided into the following sections. --- Part 1. General and safety requirements; --- Part 2. Reliability; --- Part 7. Test and measurement procedures. This part is the seventh part of GB/T 21711. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the translation method equivalent to IEC 61810-7.2006 "Basic Electromechanical Relays Part 7. Test and Measurement Procedures". The documents of our country that have a consistent correspondence with the international documents referenced in this part are as follows. --- GB/T 2423.30-2013 Environmental testing - Part 2. Test methods Tests XA and guides. impregnation in cleaning agents (IEC 60068-2-45. 1980/Amd 1..1993, MOD); --- GB/T 17627.1-1998 High voltage test technology for low voltage electrical equipment Part 1. Definitions and test requirements (eqvIEC 61180-1.1992); --- GB/T 17627.2-1998 High voltage test technology for low voltage electrical equipment Part 2. Measuring systems and test equipment (eqvIEC 61180-2.1994). This section has made the following editorial changes. --- Corrected the clerical error in the expression 1 of 4.4 of IEC 61810-7.2006, modified from "(maximum-minimum) × 10" to "(Maximum - Minimum) × 100". Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part is under the jurisdiction of the National Technical Committee for Standardization of Electrical Relays (SAC/TC217). This section drafted by. Xiamen Hong Power Sound Co., Ltd., China Electronics Technology Standardization Institute. The main drafters of this section. Lin Weilin, Lu Ningxuan, Zhang Desheng. Basic electromechanical relay Part 7. Test and measurement procedures

1 Scope

This part of GB/T 21711 specifies the test and measurement procedures for basic electromechanical relays. This section includes various basic electromechanical The basic procedure for general use of electrical appliances. Additional requirements may be added for a particular design or application. The various test and measurement procedures specified in this section are for a single program with a specific requirement. When these are in the test outline In the case of test combinations, such as the corresponding grouping of relay tests, care must be taken to ensure that the tests performed first shall not invalidate subsequent tests. The term “regulations” used in this section refers to the provisions in the corresponding documents of the relay, such as the manufacturer's data sheet, test specifications, user details. Fine specification. For the International Electrotechnical Commission's Electronic Component Quality Assessment System (IEC Q), this provision is included in A.7 of QC001001. In the detailed specification defined. Note 1. In order to improve the readability of this section, the term “relay” is often used instead of “basic electromechanical relay”. Note 2. The requirements and test items related to the basic electromechanical relay finalization test are specified in GB/T 21711.1-2008, but the provisions specified in this section The test and measurement procedures are more binding and more stringent than those specified in GB/T 21711.1-2008. Note 3. The standards involved in relays for quality assessment in accordance with the IEC Q system are compiled in GB/T 16608 (IEC 61811).

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2423.1-2001 Environmental testing of electrical and electronic products - Part 2. Test methods Test A. Low temperature (IEC 60068-2- 1.1990, IDT) GB/T 2423.2-2001 Environmental testing of electric and electronic products - Part 2. Test methods Test B. High temperature (IEC 60068-2- 2.1974, IDT) GB/T 2423.3-2006 Environmental testing for electric and electronic products - Part 2. Test method test Cab. constant damp heat test (IEC 60068-2-78.2001, IDT) GB/T 2423.4-2008 Environmental testing of electrical and electronic products - Part 2. Test methods Test Db. alternating heat (12h) 12h cycle) (IEC 60068-2-30.2005, IDT) GB/T 2423.5-1995 Environmental testing for electric and electronic products - Part 2. Test methods Test Ea and guide. Impact (IEC 60068-2-27.1987, IDT) GB/T 2423.6-1995 Environmental testing of electric and electronic products - Part 2. Test methods Test Eb and guide. Collision (IEC 60068-2-29.1987, IDT) GB/T 2423.10-2008 Environmental testing for electric and electronic products - Part 2. Test method test Fc. Vibration (sinusoidal) (IEC 60068-2-6.1995, IDT) GB/T 2423.15-1995 Environmental testing of electric and electronic products - Part 2. Test methods Tests Ga and guidance. Steady-state acceleration Degree (IEC 60068-2-7.1986, IDT) GB/T 2423.16-2008 Environmental testing for electric and electronic products - Part 2. Test methods Test J and guide. (IEC 60068-2-10.2005, IDT) GB/T 2423.17-2008 Environmental testing of electric and electronic products - Part 2. Test method test Ka. salt spray (IEC 60068-2-11.1981, IDT) GB/T 2423.19-2013 Environmental testing - Part 2. Test methods Tests Kc. sulphur dioxide test for contact points and joints Inspection (IEC 60068-2-42.2003, IDT) GB/T 2423.20-2014 Environmental testing - Part 2. Test methods Tests Kd. Hydrogen sulfide test for contact points and joints (IEC 60068-2-43.2003, IDT) GB/T 2423.21-2008 Environmental testing of electric and electronic products - Part 2. Test method Test M. Low pressure (IEC 60068-2-13.1983, IDT) GB/T 2423.22-2002 Environmental testing of electric and electronic products - Part 2. Test method Test N. Temperature change (IEC 60068-2-14. 1984, IDT) GB/T 2423.23-2013 Environmental testing - Part 2. Test methods test Q. Seals (IEC 60068-2-17.1994, IDT) GB/T 2423.28-2005 Environmental testing of electrical and electronic products - Part 2. Test methods Test T. Soldering (IEC 60068- 2-20. 1979, IDT) GB/T 2423.37-2006 Environmental testing for electric and electronic products - Part 2. Test methods Test L. Dust test (IEC 60068-2-68.1994, IDT) GB/T 2423.56-2006 Environmental testing of electric and electronic products - Part 2. Test method test Fh. Word control) and guidelines (IEC 60068-2-64.1993, IDT) GB/T 3785.1-2010 Electroacoustic sound level meters - Part 1. Specification (IEC 61672-1.2002, IDT) GB/T 5095.7-1997 Basic test procedures and methods of measurement for electromechanical components - Part 7 Inspection and sealing test (IEC 60512-7..1993, IDT) GB/T 5169.5-2008 Fire hazard testing for electric and electronic products - Part 5 Confirmation test methods and guidelines (IEC 60695-11-5.2004, IDT) GB/T 5169.10-2006 Electrical and electronic products - Fire hazard testing - Part 10. Glowing wire/hot wire basic test method burning Hot wire device and general test method (IEC 60695-2-10.2000, IDT) GB/T 5169.11-2006 Electrical and electronic products - Fire hazard testing - Part 11. Glowing wire/hot wire basic test method Glowing flammability test method for products (IEC 60695-2-11.2000, IDT) GB/T 5169.12-2006 Electrical and electronic products - Fire hazard testing - Part 11. Glowing wire/hot wire basic test method Glow flammability test method for materials (IEC 60695-2-12.2000, IDT) GB/T 5169.13-2006 Electrical and electronic products - Fire hazard testing - Part 11. Glowing wire/hot wire basic test method Glowing ignitability test method for materials (IEC 60695-2-13.2000, IDT) GB/T 17196-1997 Safety requirements for flat quick-connect terminals for connecting copper wires to connecting devices (IEC 61210. 1993, IDT) GB/T 17464-2012 Safety requirements for connecting copper conductors for threaded and unthreaded clamps General requirements and special requirements for clamps from 0.2 mm2 to 35 mm2 (inclusive) (IEC 60999-1.1999, IDT) GB/T 21711.1-2008 Basic electromechanical relays - Part 1. General and safety requirements (IEC 61810-1.2003, IDT) IEC 60068-2-21.1999 Environmental testing - Part 2-21. Test methods Tests U. Terminals and overall mounting strengths (Environmentaltesting-Part 2-21. Tests-Test U. Robustnessofterminationsandintegral Mounting devices) IEC 60068-2-45.1980/Amd1.1993 Environmental testing - Part 2-45. Test methods Test XA and guidance. Soaking in lotion (Basicenvironmentaltestingprocedures-Part 2-45. Tests-TestXAandguidance. Im- Mersionincleaningsolvent) IEC 60068-2-58.2004 Environmental testing - Part 2-58. Test method test Td. Solderability, dispersively coated metal Test method for soldering resistance of soldering and mounting equipment surface (SMD) [Enviralmentaltesting-Part 2-58. Tests-Test Td.Testmethodsforsolderability,resistancetodissolutionofmetalizationandtosolderingheatof Surfacemountingdevices(SMD)] IEC 60695-2 (all parts) Fire hazard test Part 2. Test method (Firehazardtesting-Part 2. Test Methods) High voltage test technology for low voltage equipment - Part 1. Definitions, tests and procedures (High-voltage testtechniquesforlow-voltageequipment-Part 1. Definitions, testandprocedurerequirements) IEC 61180-2.1994 High-voltage test techniques for low-voltage equipment - Part 2. Test equipment (High-voltagetesttechniques forlow-voltageequipment-Part 2.Testequipment) IEC QQC001001.2000 Basic Rules for IEC Quality Assessment System for Electromechanical Components [IEC qualityassessmentsys- Temforelectroniccomponents(IEC Q)-Basicrules]

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Relay type 3.1.1 Electromechanical relay electromechanicalrelay An electrical relay that primarily produces a predetermined response to the motion of a mechanical component. [IEV444-01-04] 3.1.2 With or without relay al-or-nothingrelay An electrical relay that is energized by a certain amount of excitation whose value is within its operating value range or is actually zero. [IEV444-01-02] 3.1.3 Basic relay elementaryrelay Action and release with or without any predetermined delay. [IEV444-01-03] 3.1.4 Monostable relay monostablerelay An electrical relay that responds to an excitation quantity and has converted its state. When the excitation amount is removed, it returns to its original state. [IEV444-01-07] 3.1.5 Bistable relay bistablerelay Respond to a certain amount of incentives and have converted its state, and remain in this state after removing the stimulus; to convert this state, Plus a suitable amount of incentives. [IEV444-01-08] 3.1.6 Polarized relay The state transition depends on the electrical relay of its DC excitation polarity. [IEV444-01-09] 3.1.7 Non-polarized relay non-polarizedrelay The state transition does not depend on the electrical relay of its DC excitation polarity. [IEV444-01-10] 3.2 Relay type based on environmental protection method (manufacturing process RT) 3.2.1 RT0 open relay unenclosedrelay Relay without protective casing. 3.2.2 RTI dustproof relay dustprotected A relay with a dust-proof outer casing to protect its mechanical structure. 3.2.3 RTII solder resist relay fluxproofrelay A relay that can be automatically soldered without removing flux outside the predetermined area. Note. If closed structure is used, it can be exchanged with the outside atmosphere. 3.2.4 RTIII washable relay washtightrelay A relay that automatically welds and is then subjected to a cleaning process to remove flux residues without the need to impregnate flux or cleaning agent. Note. In practice, such relays are sometimes connected to the atmosphere after the soldering or cleaning process. 3.2.5 RTIV sealed relay sealedrelay A relay with a casing that does not leak into the outside atmosphere has a time constant better than 2 × 104 s (see GB/T 2423.23-2013). 3.2.6 RTV hermetic relay hermeticalysealedrelay Sealed relays with a high seal rating guarantee a time constant of better than 2 x 106s (see GB/T 2423.23-2013). 3.3 Relay function 3.3.1 Release state releasecondition For monostable relays, the specified state for de-energizing; for bistable relays, one of the specified states declared by the manufacturer. [IEV444-02-01] 3.3.2 Action state For a monostable relay, a specified state for which it is energized and responded by a specified excitation amount; for a bistable relay, a statement for the manufacturer The opposite state of the release state. [IEV444-02-02] 3.3.3 Action (verb) operate(verb) The transition from the release state to the action state. [IEV444-02-04] 3.3.4 Release (verb) release(verb) The transition from the action state to the release state applies to a monostable relay. [IEV444-02-05] 3.3.5 Reset (verb) reset(verb) The transition from the action state to the release state applies to the bistable relay. [IEV444-02-06] 3.3.6 Conversion (verb) changeover(verb) The action or release of a monostable relay, the action or reset of a bistable relay. [IEV444-02-07] 3.3.7 Cycle (verb) cycle(verb) For monostable relays, release after first action, or release after first action; for bistable relays, return after first action, or return first After action. [IEV444-02-08] 3.3.8 Reversal (verb) revert(verb) For a special type of polarized relay, it is released again when excited by the amount of excitation required for its action and beyond its action. Or reset, or remain in a released state. [IEV444-02-09, modified] 3.3.9 Reverse reversal (verb) revertreverse(verb) For a particular type of bistable polarization relay, when it is energized by an excitation amount required to reset its required polarity and exceed its reset, Action, or keep in action. [IEV444-02-10, modified] 3.4 Contact Type 3.4.1 Move contact makecontact In the action state of the relay, the contact group is in the closed state and the release state is in the open state. [IEV444-02-17] 3.4.2 Break contact breakcontact In the action state of the relay, the contact group is in the open state and the release state is closed. [IEV444-02-18] 3.4.3 Conversion contact change-overcontact a combination of two contact circuits having three contacts, one of which is common to two contact circuits; the contact is broken When the contact circuit is closed, the other contact circuit is closed. [IEV444-02-19] 3.4.4 First break and then changeover contact change-overmake-before-breakcontact The switching contact that closes the contact circuit before closing the contact circuit. [IEV444-02-20] 3.4.5 Break-before-make conversion contact change-overbreak-before-makecontact Disconnect the switching contact that the contact circuit opens before the closed contact circuit closes. [IEV444-02-21] 3.5 Prefix for relay parameter values The parameter values of the relay can be defined as rated, measured ("actual"), experimental ("must") or characteristic values, and one of these words is used. As a prefix. These prefixes also apply to time values. 3.5.1 Rated value The specification usage value is determined by a specified set of operating conditions of the relay. [IEV444-02-18, modified] 3.5.2 Measured ("real") value actual("just") value The measured magnitude is measured for a specific relay during the completion of the specified function. [IEV444-02-21] 3.5.3 Test ("must") value test("must") value The relay shall meet the specified amount of work during the test. [IEV444-02-20] 3.5.4 Characteristic value The relay shall comply with the specified requirements after its initial state or the number of cycles specified in its respective specification. [IEV444-02-19, modified] 3.6 Incentive value 3.6.1 Incentive amount Under the specified conditions, it is applied to the relay coil to make it suitable for the intended use. [IEV444-03-01, modified] Note 1. For basic relays, the amount of excitation is usually voltage. Therefore, in the definition given below, the input voltage is used as the excitation amount. When a relay is taken When excited by a specified current, "current" is used in place of "voltage" in related terms and definitions. Note 2. The general term “input voltage” used in IEV Chapter 444 applies to all types of basic relays (eg including solid state relays). Basic electromechanical succession For electric appliances, according to the provisions of GB/T 21711.1-2008, the more specific term "coil voltage" is selected in the terminology of 3.6. 3.6.2 Coil voltage coil voltage The voltage applied as the amount of excitation. [IEV444-03-03] 3.6.3 Working range operativerange A range of coil voltage values that enable the relay to perform its specified function. [IEV444-03-05, modified] Note. The following terms can be seen in Figures 3 to 7. The relay sequence functions specified by the terms are indicated in the figures. 3.6.4 Premagnetization value The coil voltage value that causes the electromagnetic relay to reach the specified magnetization condition. [IEV444-03-19] Note 1. For polarized relays, there is a difference between forward (acting) pre-magnetization and reverse pre-magnetization. Note 2. For bistable relays, pre-magnetization can also be used to make them in a specified state. 3.6.5 Non-operating voltage non-operatevoltage The value of the coil voltage that prevents the relay from operating. [IEV444-03-07, modified] 3.6.6 Operating voltage, set voltage (only for bistable relays) operatevoltage,setvoltage(forbistablerelaysonly) The value of the coil voltage that causes the relay to operate. [IEV444-03-06, modified] 3.6.7 Does not release voltage non-releasevoltage The value of the coil voltage that does not release the monostable relay. [IEV444-03-09, modified] 3.6.8 Release voltage releasevoltage The value of the coil voltage that causes the monostable relay to be released. [IEV444-03-08, modified] 3.6.9 No return voltage non-resetvoltage The value of the coil voltage that causes the bistable relay to not return. [IEV444-03-11, modified] 3.6.10 Reset voltage resetvoltage The value of the coil voltage that resets the bistable relay. [IEV444-03-10, modified] 3.6.11 Reverse voltage revertvoltage For a particular type of polarized relay, the value of the coil voltage that causes the relay to reverse. The polarity of the coil voltage and the polarity of the operating voltage The same value is greater than the operating voltage. [IEV444-03-12, modified] 3.6.12 Non-reversal voltage non-revertvoltage For a particular type of polarized relay, the coil voltage value that causes the relay to not reverse. The polarity of the coil voltage and the pole of the operating voltage The same sex, the value is greater than the operating voltage. [IEV444-03-13, modified] 3.6.13 Reverse reversal voltage revertreversevoltage For a particular type of bistable polarization relay, the value of the coil voltage that reverses it in reverse. The polarity of the coil voltage and the reset voltage The polarity is the same and the value is greater than the reset voltage. [IEV444-03-14, modified] 3.6.14 Reverse reverse voltage non-revertreversevoltage For a particular type of bistable polarization relay, it does not reverse the reversed coil voltage value. The polarity of the coil voltage and the return voltage The polarity of the voltage is the same and the value is greater than the reset voltage. [IEV444-03-15, modified] 3.6.15 Reverse polarity voltage reversepolarityvoltage For a monostable polarization relay, the value of the coil voltage of the reverse polarity that does not operate. [IEV444-03-16, modified] 3.6.16 Active power activepower The average value of the instantaneous power p over a period T in the periodic state. P=1/T ∫ Pdt Note 1. In the sinusoidal state, the active power is the real part of the complex power. Note 2. In the International System of Units (SI), the unit of active power is watts (W). [IEV131-11-42] 3.6.17 Apparent power apparentpower The product of ...

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