CN105676122A - Electromagnetic relay return coefficient test platform and test method - Google Patents
Electromagnetic relay return coefficient test platform and test method Download PDFInfo
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- CN105676122A CN105676122A CN201610177842.3A CN201610177842A CN105676122A CN 105676122 A CN105676122 A CN 105676122A CN 201610177842 A CN201610177842 A CN 201610177842A CN 105676122 A CN105676122 A CN 105676122A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention discloses an electromagnetic relay return coefficient test platform and test method. The test platform comprises a base plate which is provided with a plurality of sets of relay wiring modules, a first test binding post, a second test binding post and a power supply; each set of relay wiring modules comprises a wiring board, a first relay binding post, a second relay binding post, a third relay binding post, a fourth relay binding post and a light emitting diode; the wiring board is provided with a first coil pin slot, a second coil pin slot, a third coil pin slot, a fourth coil pin slot, a first normal open pin slot and a second normal open pin slot. A current relay return coefficient test method and a voltage relay return coefficient test method both employ the test platform. The test platform facilities exchange of a coil connection mode, thereby improving test efficiency; besides, the test platform is fast to test.
Description
Technical field
The present invention relates to a kind of electromagnetic relay drop-off to pick-up radio test platform and method of testing.
Background technology
Electromagnetic relay drop-off to pick-up radio returns to the ratio of numerical quantity and actuating quantity numerical value. Such as returning of electric current relay isNumber is exactly drop-off to pick-up radio=return current/action current, and the drop-off to pick-up radio of voltage relay is exactly drop-off to pick-up radio=return voltage/movingMake voltage, the sensitivity of this value reaction relay, this value more approaches 1, and relay is just sensitiveer, but too high the continuing of sensitivityElectrical equipment is many times inapplicable, so relay protection has special requirement to the drop-off to pick-up radio of relay, and can not be too highCan not be too low.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of electromagnetic relay drop-off to pick-up radio test platform is provided, and providesA kind of electric current relay drop-off to pick-up radio method of testing, also provides a kind of voltage relay drop-off to pick-up radio method of testing.
In order to solve the problems of the technologies described above, the present invention includes base plate, on base plate, be provided with many group relaies Wiring module,One calibrating terminal, the second calibrating terminal and power supply, every group relay Wiring module comprises terminal plate, the first relay wiringPost, the second P terminal, the 3rd P terminal, the 4th P terminal and a light emitting diode, terminal plateOn the first coil pin slot, the second coil pin slot, tertiary coil pin slot, the 4th coil pin slot, are setOne often opens pin slot and second often opens pin slot, wherein four coil pin slots by wire respectively with four relaysBinding post connects one by one, and second often opens pin slot is connected with terminals of light emitting diode by wire, and first often opensAn electrode of pin slot and power supply is connected, and another of light emitting diode connects another electrode that end connects power supply.
In order once to test three group relaies, described relay wiring module has three groups.
In order to prevent that light emitting diode from burning out, described each light emitting diode is all in series with a resistance.
Electric current relay drop-off to pick-up radio method of testing of the present invention, adopts aforementioned electromagnetic drop-off to pick-up ratio test platform,The 4th P terminal of the first group relay Wiring module is connected to the first calibrating terminal by wire, by every group of relayThe first P terminal of device Wiring module connects the 4th relay wiring of next group relay Wiring module by wirePost, connects the second calibrating terminal by the first P terminal of last group relay Wiring module by wire, described inMethod of testing comprises the steps:
(1) get electric current relay to be tested and the relay-protection tester of electric current relay, electric current relay is twin coilElectric current relay, respectively selects a wiring pin of the each connection of a pin by two coils of electric current relay;
(2) the first calibrating terminal is connected with relay-protection tester with the second calibrating terminal;
(3) each electric current relay to be tested is connected with a group relay Wiring module, the first coil of electric current relayTwo pins are inserted in respectively in the first coil pin slot and the second coil pin slot, two of the second coil of electric current relayIndividual pin is inserted in respectively in tertiary coil pin slot and the 4th coil pin slot, and two coils that are connected with wiring pin drawPin be inserted in respectively second and tertiary coil pin slot in, two pins of the normal open switch of electric current relay are inserted in respectively firstOften opening pin slot and second often opens in pin slot;
(4) when the group that is less than relay wiring module when the number of relay to be tested is counted, by unloaded relay wiring moduleThe first P terminal and the 4th P terminal wire short circuit;
(5) wiring pin being connected with the first coil is connected with the 3rd P terminal, by the wiring being connected with the second coilPin is connected with the second P terminal, makes two coil series connection of electric current relay;
(6) start relay-protection tester, increase gradually the output current of relay-protection tester, observe light-emitting diodes simultaneouslyPipe, in the time that light emitting diode is lighted, writes down the current value of relay-protection tester output now, and this current value is corresponding electricityThe action current value of current relay under two coil series connection; Continue to increase the output current value of relay-protection tester,Until all light emitting diodes are lighted, measure the action current value of all electric current relays under two coil series connection;
(7) slowly reduce the output current of relay-protection tester, observe light emitting diode, when light emitting diode extinguishes simultaneouslyTime, write down the current value that relay-protection tester is now exported, this current value is corresponding current relay at two coilsReturn current value under series connection; Continue to reduce the output current value of relay-protection tester, until all light emitting diodesExtinguish, measure the return current value of all electric current relays under two coil series connection, calculate drop-off to pick-up radio;
(8) wiring pin being connected with the first coil is connected with the 4th P terminal, by the wiring being connected with the second coilPin is connected with the first P terminal, makes two coils from parallel connection of coils of electric current relay;
(9) execution step (6) and (7), measure the action current value of all electric current relays under two coils from parallel connection of coils states withReturn current value, calculates drop-off to pick-up radio.
Voltage relay drop-off to pick-up radio method of testing of the present invention, adopts aforesaid electromagnetic relay drop-off to pick-up radio test flatPlatform, connects the second calibrating terminal by the first P terminal of all relay wiring modules by wire, continues allThe 4th P terminal of appliance wiring module connects the first calibrating terminal by wire, and described method of testing comprises as followsStep:
(1) get voltage relay to be tested and the relay-protection tester of voltage relay, voltage relay is twin coilVoltage relay, respectively selects a wiring pin of the each connection of a pin by two coils of voltage relay;
(2) the first calibrating terminal is connected with relay-protection tester with the second calibrating terminal;
(3) each voltage relay to be tested is connected with a group relay Wiring module, the first coil of voltage relayTwo pins are inserted in respectively in the first coil pin slot and the second coil pin slot, two of the second coil of voltage relayIndividual pin is inserted in respectively in tertiary coil pin slot and the 4th coil pin slot, and two coils that are connected with wiring pin drawPin be inserted in respectively second and tertiary coil pin slot in, two pins of the normal open switch of voltage relay are inserted in respectively firstOften opening pin slot and second often opens in pin slot;
(4) wiring pin being connected with the first coil is connected with the 3rd P terminal, by the wiring being connected with the second coilPin is connected with the second P terminal, makes two coil series connection of voltage relay;
(5) start relay-protection tester, increase gradually the output voltage of relay-protection tester, observe light-emitting diodes simultaneouslyPipe, in the time that light emitting diode is lighted, writes down the magnitude of voltage of relay-protection tester output now, and this magnitude of voltage is corresponding electricityThe operation voltage value of potential relay under two coil series connection; Continue to increase the output voltage values of relay-protection tester,Until all light emitting diodes are lighted, measure the operation voltage value of all voltage relays under two coil series connection;
(6) slowly reduce the output baric flow of relay-protection tester, observe light emitting diode, when light emitting diode extinguishes simultaneouslyTime, write down the magnitude of voltage that relay-protection tester is now exported, this magnitude of voltage is corresponding voltage relay at two coilsReturn voltage value under series connection; Continue to reduce the output voltage values of relay-protection tester, until all light emitting diodesExtinguish, measure all voltage relays and return to baric flow value under two coil series connection, calculate drop-off to pick-up radio;
(7) wiring pin being connected with the first coil is connected with the 4th P terminal, by the wiring being connected with the second coilPin is connected with the first P terminal, makes two coils from parallel connection of coils of voltage relay;
(8) execution step (5) and (6), measure the operation voltage value of all voltage relays under two coils from parallel connection of coils states withReturn voltage value, calculates drop-off to pick-up radio.
The invention has the beneficial effects as follows: Testing Platform of the present invention has coil pin slot and Chang Kai pin slot, easilyIn being connected with electromagnetic relay to be tested, on platform, each coil pin slot, to there being a P terminal, makesThe connected mode of coil is easy to change, thereby has improved testing efficiency, and test speed is fast. Method of testing of the present invention is estimated speedDegree is fast, and test accuracy rate is high.
Brief description of the drawings
Fig. 1 is the structural representation under measuring current relay status of the present invention;
Fig. 2 is the circuit theory diagrams under measuring current relay status of the present invention;
Fig. 3 is the structural representation under test voltage relay status of the present invention;
Fig. 4 is the circuit theory diagrams under test voltage relay status of the present invention;
In figure: 1, base plate, 2, terminal plate, 3, first often open pin slot, and 4, second often open pin slot, and 5, light emitting diode,6, power supply, 7, the first calibrating terminal, 8, the second calibrating terminal, 9, the first P terminal, 10, the second relay wiringPost, 11, the 3rd P terminal, 12, the 4th P terminal, 13, the first coil pin slot, 14, the second coil drawsPin slot, 15, tertiary coil pin slot, 16, the 4th coil pin slot. R is resistance, and NO is normal open switch, and KA is relayDevice coil, D is light emitting diode.
Detailed description of the invention
A kind of electromagnetic relay drop-off to pick-up radio test platform as shown in figures 1 and 3, comprises base plate 1, on base plate 1, arrangesThere are three group relay Wiring modules, the first calibrating terminal 7, the second calibrating terminal 8 and power supply 6, every group relay wiring mouldPiece comprises that terminal plate 2, the first P terminal 9, the second P terminal 10, the 3rd P terminal 11, the 4th continueAppliance wiring post 12 and a light emitting diode 5, arrange the first coil pin slot 13, the second coil pin and insert on terminal plate 2Groove 14, tertiary coil pin slot 15, the 4th coil pin slot 16, first often open pin slot 3 and second often open pin insertGroove 4, wherein four coil pin slots are connected with four P terminals respectively one by one by wire, and second often opens pin insertsGroove 4 is connected with terminals of light emitting diode 5 by wire, and first electrode often opening pin slot 3 and power supply 6 connectsConnect, another of light emitting diode 5 connects another electrode that end connects power supply 6. Best each light emitting diode 6 is all in series with oneIndividual resistance R.
Adopt the electric current relay drop-off to pick-up radio test side of this specific embodiment electromagnetic relay drop-off to pick-up radio test platformMethod, as depicted in figs. 1 and 2, connects first by the 4th P terminal 12 of the first group relay Wiring module by wireCalibrating terminal 7, connects next group relay by the first P terminal 9 of every group relay Wiring module by wire and connectsThe 4th P terminal 12 of wire module, by the first P terminal 9 of last group relay Wiring module by leadingLine connects the second calibrating terminal 8, and described method of testing comprises the steps:
(1) get electric current relay to be tested and the relay-protection tester of electric current relay, the relay protection of electric current relayTester is prior art, and it can export the adjustable electric current of size. Electric current relay is the electric current relay of twin coil, twin coilElectric current relay be prior art, its relay coil KA has two coils, the connected mode of two coils can change,Or in parallel or series connection, relay coil KA can control the on off state of normal open switch NO after switching on, by two of electric current relayIndividual coil respectively selects a wiring pin of the each connection of a pin;
(2) the first calibrating terminal 7 is connected with relay-protection tester with the second calibrating terminal 8; Relay protection is surveyedExamination instrument can be inputted big or small adjustable electric current to test platform.
(3) each electric current relay to be tested is connected to the First Line of electric current relay with a group relay Wiring moduleTwo pins of circle are inserted in respectively in the first coil pin slot 13 and the second coil pin slot 14, second of electric current relayTwo pins of coil are inserted in respectively in tertiary coil pin slot 15 and the 4th coil pin slot 16, and are connected with wiring pinTwo coil pin be inserted in respectively in the second coil pin slot 14 and tertiary coil pin slot 15, electric current relay normalTwo pins of switch are inserted in respectively first and often open pin slot 3 and second and often open in pin slot 4;
(4) when the group that is less than relay wiring module when the number of relay to be tested is counted, by unloaded relay wiring moduleThe first P terminal 9 and the 4th P terminal 12 wire short circuit;
(5) wiring pin being connected with the first coil is connected with the 3rd P terminal 11, by connecing of being connected with the second coilLine pin is connected with the second P terminal 10, makes two coil series connection of electric current relay;
(6) start relay-protection tester, increase gradually the output current of relay-protection tester, observe light emitting diode simultaneously5 (with light emitting diode D in Fig. 2), in the time that light emitting diode 5 is lighted, write down the electric current of relay-protection tester output nowValue, this current value is the action current value of corresponding current relay under two coil series connection; Continuing to increase relay protectsProtect the output current value of tester, until all light emitting diodes 5 are lighted, measure all electric current relays and connect at two coilsAction current value under state;
(7) slowly reduce the output current of relay-protection tester, observe light emitting diode 5, when light emitting diode 5 extinguishes simultaneouslyTime, write down the current value that relay-protection tester is now exported, this current value is corresponding current relay at two coilsReturn current value under series connection; Continue to reduce the output current value of relay-protection tester, until all light emitting diodes 5Extinguish, measure the return current value of all electric current relays under two coil series connection, calculate drop-off to pick-up radio;
(8) wiring pin being connected with the first coil is connected with the 4th P terminal 12, by connecing of being connected with the second coilLine pin is connected with the first P terminal 9, makes two coils from parallel connection of coils of electric current relay;
(9) execution step (6) and (7), measure the action current value of all electric current relays under two coils from parallel connection of coils states withReturn current value, calculates drop-off to pick-up radio.
Adopt the voltage relay drop-off to pick-up radio test side of this specific embodiment electromagnetic relay drop-off to pick-up radio test platformMethod, as shown in Figure 3 and Figure 4, connects the second test by the first P terminal 9 of all relay wiring modules by wireBinding post 8, connects the first calibrating terminal 7 by the 4th P terminal 12 of all relay wiring modules by wire,Described method of testing comprises the steps:
(1) get voltage relay to be tested and the relay-protection tester of voltage relay; The relay protection of voltage relayTester is prior art, and it can export the adjustable voltage of size. Voltage relay is the voltage relay of twin coil, twin coilVoltage relay be prior art, its relay coil KA has two coils, the connected mode of two coils can change,Or in parallel or series connection, relay coil KA can control the on off state of normal open switch NO after switching on, by two of voltage relayIndividual coil respectively selects a wiring pin of the each connection of a pin;
(2) the first calibrating terminal 7 is connected with relay-protection tester with the second calibrating terminal 8; Relay protection is surveyedExamination instrument can be inputted big or small adjustable voltage to test platform.
(3) each voltage relay to be tested is connected to the First Line of voltage relay with a group relay Wiring moduleTwo pins of circle are inserted in respectively in the first coil pin slot 13 and the second coil pin slot 14, second of voltage relayTwo pins of coil are inserted in respectively in tertiary coil pin slot 15 and the 4th coil pin slot 16, and are connected with wiring pinTwo coil pin be inserted in respectively in the second coil pin slot 14 and tertiary coil pin slot 15, voltage relay normalTwo pins of switch are inserted in respectively first and often open pin slot 3 and second and often open in pin slot 4;
(4) wiring pin being connected with the first coil is connected with the 3rd P terminal 11, by connecing of being connected with the second coilLine pin is connected with the second P terminal 10, makes two coil series connection of baric flow relay;
(5) start relay-protection tester, increase gradually the output voltage of relay-protection tester, observe light emitting diode simultaneously5 (with light emitting diode D in Fig. 3), in the time that light emitting diode 5 is lighted, write down the voltage of relay-protection tester output nowValue, this magnitude of voltage is the operation voltage value of corresponding voltage relay under two coil series connection; Continuing to increase relay protectsProtect the output voltage values of tester, until all light emitting diodes 5 are lighted, measure all voltage relays and connect at two coilsOperation voltage value under state;
(6) slowly reduce the output baric flow of relay-protection tester, observe light emitting diode 5, when light emitting diode 5 extinguishes simultaneouslyTime, write down the magnitude of voltage that relay-protection tester is now exported, this magnitude of voltage is corresponding voltage relay at two coilsReturn voltage value under series connection; Continue to reduce the output voltage values of relay-protection tester, until all light emitting diodes 5Extinguish, measure all voltage relays and return to baric flow value under two coil series connection, calculate drop-off to pick-up radio;
(7) wiring pin being connected with the first coil is connected with the 4th P terminal 12, by connecing of being connected with the second coilLine pin is connected with the first P terminal 9, makes two coils from parallel connection of coils of voltage relay;
(8) execution step (5) and (6), measure the operation voltage value of all voltage relays under two coils from parallel connection of coils states withReturn voltage value, calculates drop-off to pick-up radio.
Claims (5)
1. an electromagnetic relay drop-off to pick-up radio test platform, is characterized in that: comprise base plate, be provided with many group relays on base plateDevice Wiring module, the first calibrating terminal, the second calibrating terminal and power supply, every group relay Wiring module comprise terminal plate,The first P terminal, the second P terminal, the 3rd P terminal, the 4th P terminal and one luminousDiode, arranges the first coil pin slot, the second coil pin slot, tertiary coil pin slot, the 4th line on terminal plateCircle pin slot, first is often opened pin slot and second and is often opened pin slot, and wherein four coil pin slots divide by wireBe not connected one by one with four P terminals, second often opens pin slot by terminals of wire and light emitting diodeConnect, first electrode often opening pin slot and power supply is connected, and another of light emitting diode connects end and connect the another of power supplyAn electrode.
2. electromagnetic relay drop-off to pick-up radio test platform according to claim 1, is characterized in that: described relay connectsWire module has three groups.
3. electromagnetic relay drop-off to pick-up radio test platform according to claim 1 and 2, is characterized in that: described is eachLight emitting diode is all in series with a resistance.
4. an electric current relay drop-off to pick-up radio method of testing, is characterized in that: the electromagnetism described in employing claim 1 or 2 or 3Drop-off to pick-up ratio test platform, connects by the 4th P terminal of the first group relay Wiring module by wireOne calibrating terminal, connects next group relay by the first P terminal of every group relay Wiring module by wire and connectsThe 4th P terminal of wire module, connects the first P terminal of last group relay Wiring module by wireConnect the second calibrating terminal, described method of testing comprises the steps:
(1) get electric current relay to be tested and the relay-protection tester of electric current relay, electric current relay is twin coilElectric current relay, respectively selects a wiring pin of the each connection of a pin by two coils of electric current relay;
(2) the first calibrating terminal is connected with relay-protection tester with the second calibrating terminal;
(3) each electric current relay to be tested is connected with a group relay Wiring module, the first coil of electric current relayTwo pins are inserted in respectively in the first coil pin slot and the second coil pin slot, two of the second coil of electric current relayIndividual pin is inserted in respectively in tertiary coil pin slot and the 4th coil pin slot, and two coils that are connected with wiring pin drawPin be inserted in respectively second and tertiary coil pin slot in, two pins of the normal open switch of electric current relay are inserted in respectively firstOften opening pin slot and second often opens in pin slot;
(4) when the group that is less than relay wiring module when the number of relay to be tested is counted, by unloaded relay wiring moduleThe first P terminal and the 4th P terminal wire short circuit;
(5) wiring pin being connected with the first coil is connected with the 3rd P terminal, by the wiring being connected with the second coilPin is connected with the second P terminal, makes two coil series connection of electric current relay;
(6) start relay-protection tester, increase gradually the output current of relay-protection tester, observe light-emitting diodes simultaneouslyPipe, in the time that light emitting diode is lighted, writes down the current value of relay-protection tester output now, and this current value is corresponding electricityThe action current value of current relay under two coil series connection; Continue to increase the output current value of relay-protection tester,Until all light emitting diodes are lighted, measure the action current value of all electric current relays under two coil series connection;
(7) slowly reduce the output current of relay-protection tester, observe light emitting diode, when light emitting diode extinguishes simultaneouslyTime, write down the current value that relay-protection tester is now exported, this current value is corresponding current relay at two coilsReturn current value under series connection; Continue to reduce the output current value of relay-protection tester, until all light emitting diodesExtinguish, measure the return current value of all electric current relays under two coil series connection, calculate drop-off to pick-up radio;
(8) wiring pin being connected with the first coil is connected with the 4th P terminal, by the wiring being connected with the second coilPin is connected with the first P terminal, makes two coils from parallel connection of coils of electric current relay;
(9) execution step (6) and (7), measure the action current value of all electric current relays under two coils from parallel connection of coils states withReturn current value, calculates drop-off to pick-up radio.
5. a voltage relay drop-off to pick-up radio method of testing, is characterized in that: the electromagnetism described in employing claim 1 or 2 or 3Drop-off to pick-up ratio test platform, connects second by the first P terminal of all relay wiring modules by wireCalibrating terminal, connects the first calibrating terminal by the 4th P terminal of all relay wiring modules by wire,Described method of testing comprises the steps:
(1) get voltage relay to be tested and the relay-protection tester of voltage relay, voltage relay is twin coilVoltage relay, respectively selects a wiring pin of the each connection of a pin by two coils of voltage relay;
(2) the first calibrating terminal is connected with relay-protection tester with the second calibrating terminal;
(3) each voltage relay to be tested is connected with a group relay Wiring module, the first coil of voltage relayTwo pins are inserted in respectively in the first coil pin slot and the second coil pin slot, two of the second coil of voltage relayIndividual pin is inserted in respectively in tertiary coil pin slot and the 4th coil pin slot, and two coils that are connected with wiring pin drawPin be inserted in respectively second and tertiary coil pin slot in, two pins of the normal open switch of voltage relay are inserted in respectively firstOften opening pin slot and second often opens in pin slot;
(4) wiring pin being connected with the first coil is connected with the 3rd P terminal, by the wiring being connected with the second coilPin is connected with the second P terminal, makes two coil series connection of voltage relay;
(5) start relay-protection tester, increase gradually the output voltage of relay-protection tester, observe light-emitting diodes simultaneouslyPipe, in the time that light emitting diode is lighted, writes down the magnitude of voltage of relay-protection tester output now, and this magnitude of voltage is corresponding electricityThe operation voltage value of potential relay under two coil series connection; Continue to increase the output voltage values of relay-protection tester,Until all light emitting diodes are lighted, measure the operation voltage value of all voltage relays under two coil series connection;
(6) slowly reduce the output baric flow of relay-protection tester, observe light emitting diode, when light emitting diode extinguishes simultaneouslyTime, write down the magnitude of voltage that relay-protection tester is now exported, this magnitude of voltage is corresponding voltage relay at two coilsReturn voltage value under series connection; Continue to reduce the output voltage values of relay-protection tester, until all light emitting diodesExtinguish, measure all voltage relays and return to baric flow value under two coil series connection, calculate drop-off to pick-up radio;
(7) wiring pin being connected with the first coil is connected with the 4th P terminal, by the wiring being connected with the second coilPin is connected with the first P terminal, makes two coils from parallel connection of coils of voltage relay;
(8) execution step (5) and (6), measure the operation voltage value of all voltage relays under two coils from parallel connection of coils states withReturn voltage value, calculates drop-off to pick-up radio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177842.3A CN105676122B (en) | 2016-03-25 | 2016-03-25 | A kind of electromagnetic relay drop-off to pick-up radio test platform and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177842.3A CN105676122B (en) | 2016-03-25 | 2016-03-25 | A kind of electromagnetic relay drop-off to pick-up radio test platform and test method |
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| CN105676122A true CN105676122A (en) | 2016-06-15 |
| CN105676122B CN105676122B (en) | 2018-12-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872774A (en) * | 2018-04-26 | 2018-11-23 | 许继集团有限公司 | Converter detection method, device and a kind of air plug in a kind of protective device |
| CN109991538A (en) * | 2019-05-15 | 2019-07-09 | 格力电器（武汉）有限公司 | Liquid-level switch detection device and method and air conditioner with the device |
| JP6906269B1 (en) * | 2021-01-25 | 2021-07-21 | 株式会社辰巳菱機 | Load test equipment |
| CN114236371A (en) * | 2021-11-15 | 2022-03-25 | 广东电网有限责任公司东莞供电局 | Relay multistation testing arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6377051B1 (en) * | 1999-12-03 | 2002-04-23 | Abb Power T&D Company Inc. | Relay test set using computer controlled voltage supply to stimulate both voltage and current transformers |
| CN201314921Y (en) * | 2008-11-13 | 2009-09-23 | 保定供电公司 | Socket box used for relay testing |
| CN202120826U (en) * | 2011-07-20 | 2012-01-18 | 武汉钢铁(集团)公司 | Relay with adjustable return coefficient |
| CN104020416A (en) * | 2014-06-26 | 2014-09-03 | 国网上海市电力公司 | Portable polarized relay testing equipment |
| CN204374383U (en) * | 2015-01-30 | 2015-06-03 | 中核检修有限公司 | A kind of instrument for verifying auxiliary reclay |
-
2016
- 2016-03-25 CN CN201610177842.3A patent/CN105676122B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6377051B1 (en) * | 1999-12-03 | 2002-04-23 | Abb Power T&D Company Inc. | Relay test set using computer controlled voltage supply to stimulate both voltage and current transformers |
| CN201314921Y (en) * | 2008-11-13 | 2009-09-23 | 保定供电公司 | Socket box used for relay testing |
| CN202120826U (en) * | 2011-07-20 | 2012-01-18 | 武汉钢铁(集团)公司 | Relay with adjustable return coefficient |
| CN104020416A (en) * | 2014-06-26 | 2014-09-03 | 国网上海市电力公司 | Portable polarized relay testing equipment |
| CN204374383U (en) * | 2015-01-30 | 2015-06-03 | 中核检修有限公司 | A kind of instrument for verifying auxiliary reclay |
Non-Patent Citations (1)
| Title |
|---|
| 刘志平: "简单实用的电流电压继电器试验台", 《中国农村水利水电》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872774A (en) * | 2018-04-26 | 2018-11-23 | 许继集团有限公司 | Converter detection method, device and a kind of air plug in a kind of protective device |
| CN109991538A (en) * | 2019-05-15 | 2019-07-09 | 格力电器（武汉）有限公司 | Liquid-level switch detection device and method and air conditioner with the device |
| CN109991538B (en) * | 2019-05-15 | 2021-08-03 | 格力电器（武汉）有限公司 | Liquid level switch detection device and method and air conditioner with device |
| JP6906269B1 (en) * | 2021-01-25 | 2021-07-21 | 株式会社辰巳菱機 | Load test equipment |
| CN114236371A (en) * | 2021-11-15 | 2022-03-25 | 广东电网有限责任公司东莞供电局 | Relay multistation testing arrangement |
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| Publication number | Publication date |
|---|---|
| CN105676122B (en) | 2018-12-11 |
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