CN202305756U - Relay service life tester and relay service life test system - Google Patents

Relay service life tester and relay service life test system Download PDF

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Publication number
CN202305756U
CN202305756U CN 201120428933 CN201120428933U CN202305756U CN 202305756 U CN202305756 U CN 202305756U CN 201120428933 CN201120428933 CN 201120428933 CN 201120428933 U CN201120428933 U CN 201120428933U CN 202305756 U CN202305756 U CN 202305756U
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CN
China
Prior art keywords
relay
life
span
actuating
measured
Prior art date
Application number
CN 201120428933
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Chinese (zh)
Inventor
于洋
谢杨清
尹忠铁
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深圳市航天泰瑞捷电子有限公司
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Priority to CN 201120428933 priority Critical patent/CN202305756U/en
Application granted granted Critical
Publication of CN202305756U publication Critical patent/CN202305756U/en

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Abstract

The utility model is applied to the technical field of a relay, and provides a relay service life tester and a relay service life test system. The relay service life tester comprises a relay driving unit, a micro-control unit connected therewith, and a detection circuit. The micro-control unit comprises a motion control module and a motion determination module. The motion control module is used for sending test instructions to the relay driving unit based on configured test parameters in advance so that the motion of a corresponding to-be-tested relay is controlled by the relay driving unit based on the test instructions. The motion determination module is connected with the detection circuit and is used for determining whether the to-be-tested relay moves according to the test instructions based on level signals input by the detection circuit. The relay service life tester provided by the utility model helps to accurately identify whether each motion of a relay is correct or not.

Description

A kind of relay life-span tester and relay life-span test system

Technical field

The utility model belongs to the relay technical field, relates in particular to a kind of relay life-span tester and relay life-span test system.

Background technology

Do not have special-purpose relay life test instrument in the market temporarily, generally service time, the combination of relay and D.C. regulated power supply drove relay repetitive operation, and with the electrical endurance or the mechanical life of busy relay, mainly there is following drawback in these class methods:

1, for magnetic latching relay, it drives and is impulse form, uses above combination to be difficult to realize pulsed drive, more uncontrollable pulse width.

2, it is a kind of that the time relay also belongs to relay, so the reliability that type relay drive circuit limited service life and can not guaranteeing is tested.

3, combinations thereof only has driving mechanism, and lacks the whether testing agency of correct operation of check relay, needs artificial constantly inspection to judge, can not realize the automatic gauging of each action correctness, the labor manpower time, and final testing result is not accurate.

4, combinations thereof lacks microprocessor, can not realize the alarm indication of automatic storage, the error message of test figure, discern artificial intelligence functions such as relay types automatically.

In sum, the relay life detecting method that provides of prior art can not be tested to the correctness of the each action of relay automatically.

The utility model content

The purpose of the utility model is to provide a kind of relay life-span tester, is intended to solve the problem that prior art can not be tested to the correctness of the each action of relay automatically.

The utility model is to realize like this; A kind of relay life-span tester; Said relay life-span tester comprises: relay drive unit, and said relay life-span tester is used for the life-span of the relay to be measured of busy relay actuating circuit, and said actuating of relay circuit comprises a plurality of relays to be measured, load, AC power and power mutual inductor; Said relay drive unit is connected with said relay to be measured, and said relay life-span tester also comprises:

The micro-control unit that is connected with said relay drive unit;

Be connected between the power mutual inductor of said micro-control unit and said actuating of relay circuit; Be used to receive the relay action signal to be measured of said power mutual inductor transmission; And said actuating signal carried out full-wave rectification and filtering, generate the testing circuit of level signal;

Said micro-control unit comprises:

Be used for sending test instruction to said relay drive unit, so that said relay drive unit is controlled the action control module of the corresponding actuating of relay to be measured according to said test instruction according to pre-configured test parameter;

Be connected with said testing circuit, be used for level signal, judge the action judge module whether relay to be measured has moved according to said test instruction according to said testing circuit input.

Further, said relay life-span tester also comprises:

Be connected with said action judge module, be used to write down the memory circuit of the judged result of said action judge module.

Further, said testing circuit comprises:

Be connected with the power mutual inductor of said actuating of relay circuit, be used to receive the relay action signal to be measured of said power mutual inductor transmission, and said actuating signal is carried out the full-wave rectification block of full-wave rectification;

Be connected with said full-wave rectification block, be used for the filtration module that the signal that said full-wave rectification block is exported is carried out filtering.

Further, said testing circuit also comprises:

Be connected in the optocoupler module between said filtration module and the said micro-control unit.

Further, said relay life-span tester also comprises:

The power supply unit that is connected with said micro-control unit.

Further, said relay life-span tester also comprises:

The man-machine interaction unit that is connected with said micro-control unit.

Further, said relay life-span tester also comprises:

The host computer that is connected with said micro-control unit.

The utility model also provides a kind of relay life-span test system; Said relay life-span test system comprises: actuating of relay circuit and relay life-span tester; Said actuating of relay circuit comprises a plurality of relays to be measured, load, AC power and power mutual inductor; Said relay life-span tester comprises: relay drive unit, and said relay drive unit is connected with said relay to be measured, and said relay life-span tester also comprises:

The micro-control unit that is connected with said relay drive unit;

Be connected between the power mutual inductor of said micro-control unit and said actuating of relay circuit; Be used to receive the relay action signal to be measured of said power mutual inductor transmission; And said actuating signal carried out full-wave rectification and filtering, generate the testing circuit of level signal;

Said micro-control unit comprises:

Be used for sending test instruction to said relay drive unit, so that said relay drive unit is controlled the action control module of the corresponding actuating of relay to be measured according to said test instruction according to pre-configured test parameter;

Be connected with said testing circuit, be used for level signal, judge the action judge module whether relay to be measured has moved according to said test instruction according to said testing circuit input.

Further, said relay life-span tester also comprises:

Be connected with said action judge module, be used to write down the memory circuit of the judged result of said action judge module.

Further, said testing circuit comprises:

Be connected with the power mutual inductor of said actuating of relay circuit, be used to receive the relay action signal to be measured of said power mutual inductor transmission, and said actuating signal is carried out the full-wave rectification block of full-wave rectification;

Be connected with said full-wave rectification block, be used for the filtration module that the signal that said full-wave rectification block is exported is carried out filtering.

In the utility model; Send test instruction to relay drive unit through micro-control unit; So that relay drive unit is controlled the corresponding actuating of relay to be measured according to said test instruction; Receive the actuating signal of relay to be measured again through testing circuit; And convert said actuating signal to level signal and transfer to micro-control unit, whether whether micro-control unit judges relay to be measured according to said test instruction action according to said level signal, can the each action of accurate recognition relay correct.

Description of drawings

Fig. 1 is the structured flowchart of the relay life-span tester that provides of the utility model embodiment;

Fig. 2 is the structured flowchart of the relay life-span test system that provides of the utility model embodiment.

Embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

In the utility model embodiment; Send test instruction to relay drive unit through micro-control unit; So that relay drive unit is controlled the corresponding actuating of relay to be measured according to said test instruction; Receive the actuating signal of relay to be measured again through testing circuit, and convert said actuating signal to level signal and transfer to micro-control unit, micro-control unit judges that according to said level signal whether relay to be measured is according to said test instruction action.

Fig. 1 is the structured flowchart of the relay life-span tester that provides of the utility model embodiment, for the ease of explanation, only shows the part that the utility model embodiment is correlated with.This relay life-span tester is used for the life-span of the relay to be measured of busy relay actuating circuit, and wherein, actuating of relay circuit comprises a plurality of relays to be measured, load, AC power and power mutual inductor.In the present embodiment, this relay life-span tester comprises: micro-control unit 11, relay drive unit 12 and testing circuit 13.

Wherein, micro-control unit 11 is connected with relay drive unit 12;

Testing circuit 13 is connected between the power mutual inductor of micro-control unit 11 and actuating of relay circuit, is used to receive the relay action signal to be measured of said power mutual inductor transmission, and said actuating signal is carried out full-wave rectification and filtering, generates level signal;

Further, micro-control unit 11 comprises: action control module 111 and action judge module 112.

Wherein, Action control module 111 is connected with relay drive unit 12; Be used for sending test instruction to said relay drive unit 12 according to pre-configured test parameter; So that said relay drive unit 12 is controlled the corresponding actuating of relay to be measured according to said test instruction, wherein, said test parameter comprises relay types; Relay driving voltage, relay closes and release time, pulse width, actuating of relay number of times and manner of execution etc., said relay drive unit 12 is made up of triode and latch;

Action judge module 112 is connected with testing circuit 13, is used for the level signal according to said testing circuit 13 inputs, judges what whether relay to be measured had moved according to said test instruction.

Further, said testing circuit 13 comprises: full-wave rectification block 131 and filtration module 132.

Full-wave rectification block 131 is connected with the power mutual inductor of actuating of relay circuit, be used to receive the relay action signal to be measured of said power mutual inductor transmission, and said actuating signal is carried out full-wave rectification;

Filtration module 132 is connected with said full-wave rectification block 131, is used for the signal of said full-wave rectification block 131 outputs is carried out filtering;

As another embodiment of the utility model, said testing circuit 13 can also comprise the optocoupler module 133 that is connected between said filtration module 132 and the said micro-control unit 11.

As the another embodiment of the utility model, said relay life-span tester also comprises:

Be connected with said action judge module 112, be used to write down the memory circuit 14 of the judged result of said action judge module 112.

In addition, said relay life-span tester can also comprise the power supply unit 15 that is connected with said micro-control unit 11, the man-machine interaction unit 16 that is connected with said micro-control unit 11, the host computer 17 and the light-emitting diode display 18 that are connected with said micro-control unit 11.Civil power is handled through the inner power supply unit 15 of relay life-span tester, both can be used as the power supply of relay life-span tester internal circuit, also can be used as the driving power of relay to be measured.The relay life-span tester has kept the external power supply mouth of relay to be measured simultaneously in addition, can conveniently use different drive levels.

In addition; The serial ports of micro-control unit 11 is drawn communication port through level transferring chip; Through both can the upgrade program of relay life-span tester of this communication port; Also can connect PC, the software through host computer 17 can make things convenient for the test result that reads relay life-span tester storage inside circuit 14 records intuitively and pre-configured test parameter.

The relay life-span tester that the utility model embodiment provides is applicable to relay life-span test system as shown in Figure 2.See also Fig. 2, said relay life-span test system comprises relay life-span tester as shown in Figure 1 21 and actuating of relay circuit 22.

Wherein, actuating of relay circuit 22 comprises a plurality of relay to be measured 221, load 222, AC power 223 and power mutual inductor 224, is that the mode through series connection couples together between a plurality of relays 221 to be measured.

Relay being carried out electrical endurance when test, power mutual inductor 224 is enclosed within on the current circuit of actuating of relay circuit 22, again power mutual inductor 224 secondary received the detection that testing circuit 13 can be realized the correctness of the actuating of relay; When relay is carried out testing mechanical life; Make an end of external power supply unit 15 1 terminations relay to be measured; The other end of the other end of relay to be measured and power supply unit 15 is connected to the detection that testing circuit 13 can be realized the correctness of the actuating of relay, and opening power unit 15 can carry out the test in relay to be measured life-span automatically by the test parameter that has disposed.

Concrete communication process is: micro-control unit 11 is set timer internal according to pre-configured test parameter; Send test instruction to relay drive unit 12 at precise time point; So that said relay drive unit 12 is controlled the corresponding actuating of relay to be measured according to said test instruction, the action of relay to be measured makes the actuating signal of the testing circuit 13 that gets into the relay life-span tester different, is input to optocoupler after the relay action signal process full-wave rectification of entering testing circuit 13, the filtering; Be input to the port of micro-control unit 11 through the isolation coupling of optocoupler; Whether micro-control unit 11 detects the state of this port level signal before each action successful to judge relay to be measured action last time, if success, actuating of relay number of times adds up in inside; If make mistakes; Then write down corresponding error information, show detecting information in real time, can check various detecting informations easily or corresponding test parameter is set through the button on the relay life-span tester through light-emitting diode display 18; Wherein, the error message of the action frequency of relay and relay can be carried out record through memory circuit 14.

Introduce the hardware layout of present embodiment below:

Micro-control unit 11, power supply unit 15 and light-emitting diode display 18 are integrated on the pcb board; The relay drive unit of being made up of triode and latch 12 is integrated in separately on another piece pcb board; Can expand the driving quantity of relay easily; Two pcb boards are interconnected by winding displacement, are separately fixed in the shell, form the body of relay life-span tester hardware.

In the utility model embodiment; Send test instruction to relay drive unit through micro-control unit; So that relay drive unit is controlled the corresponding actuating of relay to be measured according to said test instruction; Receive the actuating signal of relay to be measured again through testing circuit; And convert said actuating signal to level signal and transfer to micro-control unit, whether whether micro-control unit judges relay to be measured according to said test instruction action according to said level signal, can the each action of accurate recognition relay correct.The advantage of the relay life-span tester that the utility model provides comprises: 1, both can realize the test to monostable type relay, and also can realize magnetic is kept the test of type relay; 2, mechanical life that both can busy relay, electrical endurance that also can busy relay; 3, can discern the type of busy relay automatically; Simple to operate, feature richness can be provided with multiple parameters such as driving voltage, closure and release time, pulse width, action frequency and mode; Automatically whether record display action number of times is discerned relay automatically and is moved correct at every turn; 4, detecting information is reported to the police, shows, stored to test errors automatically, and can connect with the PC host computer, makes the configuration of uploading with test parameter of test data become very simple.

The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims (10)

1. relay life-span tester; Said relay life-span tester comprises: relay drive unit; Said relay life-span tester is used for the life-span of the relay to be measured of busy relay actuating circuit, and said actuating of relay circuit comprises a plurality of relays to be measured, load, AC power and power mutual inductor, and said relay drive unit is connected with said relay to be measured; It is characterized in that said relay life-span tester also comprises:
The micro-control unit that is connected with said relay drive unit;
Be connected between the power mutual inductor of said micro-control unit and said actuating of relay circuit; Be used to receive the relay action signal to be measured of said power mutual inductor transmission; And said actuating signal carried out full-wave rectification and filtering, generate the testing circuit of level signal;
Said micro-control unit comprises:
Be used for sending test instruction to said relay drive unit, so that said relay drive unit is controlled the action control module of the corresponding actuating of relay to be measured according to said test instruction according to pre-configured test parameter;
Be connected with said testing circuit, be used for level signal, judge the action judge module whether relay to be measured has moved according to said test instruction according to said testing circuit input.
2. relay life-span tester as claimed in claim 1 is characterized in that, said relay life-span tester also comprises:
Be connected with said action judge module, be used to write down the memory circuit of the judged result of said action judge module.
3. relay life-span tester as claimed in claim 1 is characterized in that, said testing circuit comprises:
Be connected with the power mutual inductor of said actuating of relay circuit, be used to receive the relay action signal to be measured of said power mutual inductor transmission, and said actuating signal is carried out the full-wave rectification block of full-wave rectification;
Be connected with said full-wave rectification block, be used for the filtration module that the signal that said full-wave rectification block is exported is carried out filtering.
4. relay life-span tester as claimed in claim 3 is characterized in that, said testing circuit also comprises:
Be connected in the optocoupler module between said filtration module and the said micro-control unit.
5. relay life-span test system as claimed in claim 1 is characterized in that, said relay life-span tester also comprises:
The power supply unit that is connected with said micro-control unit.
6. relay life-span test system as claimed in claim 1 is characterized in that, said relay life-span tester also comprises:
The man-machine interaction unit that is connected with said micro-control unit.
7. relay life-span test system as claimed in claim 1 is characterized in that, said relay life-span tester also comprises:
The host computer that is connected with said micro-control unit.
8. relay life-span test system; Said relay life-span test system comprises: actuating of relay circuit and relay life-span tester; Said actuating of relay circuit comprises a plurality of relays to be measured, load, AC power and power mutual inductor, and said relay life-span tester comprises: relay drive unit, and said relay drive unit is connected with said relay to be measured; It is characterized in that said relay life-span tester also comprises:
The micro-control unit that is connected with said relay drive unit;
Be connected between the power mutual inductor of said micro-control unit and said actuating of relay circuit; Be used to receive the relay action signal to be measured of said power mutual inductor transmission; And said actuating signal carried out full-wave rectification and filtering, generate the testing circuit of level signal;
Said micro-control unit comprises:
Be used for sending test instruction to said relay drive unit, so that said relay drive unit is controlled the action control module of the corresponding actuating of relay to be measured according to said test instruction according to pre-configured test parameter;
Be connected with said testing circuit, be used for level signal, judge the action judge module whether relay to be measured has moved according to said test instruction according to said testing circuit input.
9. relay life-span test system as claimed in claim 8 is characterized in that, said relay life-span tester also comprises:
Be connected with said action judge module, be used to write down the memory circuit of the judged result of said action judge module.
10. relay life-span test system as claimed in claim 8 is characterized in that, said testing circuit comprises:
Be connected with the power mutual inductor of said actuating of relay circuit, be used to receive the relay action signal to be measured of said power mutual inductor transmission, and said actuating signal is carried out the full-wave rectification block of full-wave rectification;
Be connected with said full-wave rectification block, be used for the filtration module that the signal that said full-wave rectification block is exported is carried out filtering.
CN 201120428933 2011-11-01 2011-11-01 Relay service life tester and relay service life test system CN202305756U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102830348A (en) * 2012-08-21 2012-12-19 江苏华德电力科技有限公司 Bounce testing device for single-coil magnetic-latching relay and test method of bounce testing device
CN103105580A (en) * 2013-01-14 2013-05-15 中国电子科技集团公司第四十研究所 Testing device of temperature relay service life
CN103116126A (en) * 2013-01-14 2013-05-22 中国电子科技集团公司第四十研究所 Automatic testing platform of service life of temperature relay
CN103278769A (en) * 2013-06-27 2013-09-04 北京铁路信号有限公司 Detection device for relay
CN103675664A (en) * 2013-12-15 2014-03-26 天水华天科技股份有限公司 Detecting device and method for tester relay control bit
CN104502840A (en) * 2015-01-04 2015-04-08 北京慧智神光科技有限公司 Breaker health diagnosis instrument
CN106772005A (en) * 2016-12-12 2017-05-31 深圳市八戒电工技术有限公司 A kind of relay contact life tests circuit and method
CN109061456A (en) * 2018-08-15 2018-12-21 格力电器(武汉)有限公司 A kind of detection device and detection system
CN109143049A (en) * 2018-07-28 2019-01-04 国营芜湖机械厂 A kind of electromagnetic relay lifetime estimation method based on electrical combined detection technique

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102830348A (en) * 2012-08-21 2012-12-19 江苏华德电力科技有限公司 Bounce testing device for single-coil magnetic-latching relay and test method of bounce testing device
CN103105580A (en) * 2013-01-14 2013-05-15 中国电子科技集团公司第四十研究所 Testing device of temperature relay service life
CN103116126A (en) * 2013-01-14 2013-05-22 中国电子科技集团公司第四十研究所 Automatic testing platform of service life of temperature relay
CN103116126B (en) * 2013-01-14 2015-04-08 中国电子科技集团公司第四十研究所 Automatic testing platform of service life of temperature relay
CN103105580B (en) * 2013-01-14 2015-09-30 中国电子科技集团公司第四十研究所 A kind of temperature relay life-span tester
CN103278769A (en) * 2013-06-27 2013-09-04 北京铁路信号有限公司 Detection device for relay
CN103278769B (en) * 2013-06-27 2016-05-11 北京铁路信号有限公司 A kind of checkout gear of relay
CN103675664A (en) * 2013-12-15 2014-03-26 天水华天科技股份有限公司 Detecting device and method for tester relay control bit
CN104502840A (en) * 2015-01-04 2015-04-08 北京慧智神光科技有限公司 Breaker health diagnosis instrument
CN106772005A (en) * 2016-12-12 2017-05-31 深圳市八戒电工技术有限公司 A kind of relay contact life tests circuit and method
CN109143049A (en) * 2018-07-28 2019-01-04 国营芜湖机械厂 A kind of electromagnetic relay lifetime estimation method based on electrical combined detection technique
CN109061456A (en) * 2018-08-15 2018-12-21 格力电器(武汉)有限公司 A kind of detection device and detection system

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Granted publication date: 20120704

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