CN202870255U - Molded case circuit breaker mechanical life and loop resistance detection device - Google Patents
Molded case circuit breaker mechanical life and loop resistance detection device Download PDFInfo
- Publication number
- CN202870255U CN202870255U CN2012204126927U CN201220412692U CN202870255U CN 202870255 U CN202870255 U CN 202870255U CN 2012204126927 U CN2012204126927 U CN 2012204126927U CN 201220412692 U CN201220412692 U CN 201220412692U CN 202870255 U CN202870255 U CN 202870255U
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- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 abstract description 3
- 238000012790 confirmation Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The present utility model relates to detection equipment of a low voltage breaker, concretely to a molded case circuit breaker mechanical life and loop resistance detection device. A control system of the device comprises a PLC control module, a signal input end of the PLC control module is respectively connected with a control button, an actuating mechanism sensing device and a mechanical on-off feedback unit; a control signal output end of the PLC control module is respectively connected with an actuating control circuit, a mechanical on-off testing circuit and a resistance measuring circuit; detection signals of the resistance measuring circuit are input to a resistance testing module, the PLC control module can be used for outputting starting and stopping control signals to the resistance testing module, and an output end of the resistance testing module is connected with an LED display module. Functions of detecting/testing mechanical life and detecting loop resistance are integrated on the equipment, the testing efficiency is enhanced, loop resistance detection is realized during the mechanical life testing process, and accuracy of loop resistance detection is enhanced.
Description
Technical field
The utility model relates to a kind of checkout equipment of low-voltage circuit breaker, specifically a kind of breaker of plastic casing mechanical life and loop resistance pick-up unit.
Background technology
Breaker of plastic casing dispatches from the factory, and front needs carry out test mechanical life and loop resistance is tested, existing equipment just carries out simple breaking-closing operating to detecting mechanical life, judgement without phase shortage, slide fastener, loop resistance, must be artificial with break-make hummer and the test of resistance instrument, resistance test be cold-state resistance, cause easily unacceptable product to flow into subsequent processing, and efficient is low, cost of labor increases.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of and can finish simultaneously life test and loop resistance detection, the breaker of plastic casing mechanical life that detection accuracy is good, testing efficiency is high and loop resistance pick-up unit on same equipment.
Mechanical life of the present utility model and loop resistance pick-up unit include and can carry out the topworks of clamping position and breaking-closing operating and carry out control circuit, can detect the resistance measuring circuit of test product main circuit current and voltage signal test product; The control system of this device includes a PLC control module, and whether the signal input part of PLC control module is connected with respectively to input the control knob of carrying out instruction, be used for detecting topworks carries out the topworks's sensing device that puts in place, the mechanical break-make feedback unit that is used for feeding back mechanical break-make feedback signal; The control signal output terminal of PLC control module connects respectively the mechanical on off test circuit of carrying out control circuit, being used for testing each phase on off operating mode of test product, the resistance measuring circuit that can measure each phase loop voltage of test product and current signal; The detection signal input resistance test module of resistance measuring circuit, the PLC control module can be to resistance test module output startup and the control signal that stops, and the output terminal of resistance test module is connected with the LED display module.
The signal output part of described PLC control module also is connected with an on off operating mode indicating circuit, is used to refer on off operating mode.
The utility model is integrated test mechanical life and loop resistance measuring ability on an equipment, has improved testing efficiency, can carry out loop resistance in the test process in mechanical life simultaneously and detect, and has improved the accuracy that loop resistance detects.
Description of drawings
Fig. 1 is the schematic diagram of control system of the present utility model.
Embodiment
Mechanical life of the present utility model and loop resistance pick-up unit include and can carry out the topworks of clamping position and breaking-closing operating and carry out control circuit, can detect the resistance measuring circuit of test product main circuit current and voltage signal test product; As shown in the figure, the control system of this device includes a PLC control module, and whether the signal input part of PLC control module is connected with respectively to input the control knob of carrying out instruction, be used for detecting topworks carries out the topworks's sensing device that puts in place, the mechanical break-make feedback unit that is used for feeding back mechanical break-make feedback signal; The control signal output terminal of PLC control module connects respectively the mechanical on off test circuit of carrying out control circuit, being used for testing each phase on off operating mode of test product, the resistance measuring circuit that can measure each phase loop voltage of test product and current signal; The detection signal input resistance test module of resistance measuring circuit, the PLC control module can be to resistance test module output startup and the control signal that stops, and the output terminal of resistance test module is connected with the LED display module.The signal output part of PLC control module also is connected with an on off operating mode indicating circuit, is used to refer on off operating mode.
In the said system:
The I/O delivery outlet of PLC control module 1 connects control knob 11, clamps topworks's sensing device 12 and mechanical break-make feedback unit 13, realizes the control to equipment operation process;
The I/O delivery outlet of PLC control module 1 connects the cylinder solenoid valve of carrying out in the control circuit 14, realizes clamping and divide-shut brake control to product.
The I/O delivery outlet of the PLC control module 1 tool on off test circuit 15 that picks, for PLC when the product breaking-closing operating, judge that Product Status provides a test loop.
The I/O delivery outlet connecting resistance metering circuit 16 of PLC control module 1 realizes the effective disconnection to mechanical on off test loop, connects simultaneously the measuring circuit of product and resistance test module 2 in the anchor clamps, and the voltage signal of each phase of product is sent into resistance test module 2.
The I/O delivery outlet of PLC control module 1 is connected disconnected condition indication circuit 17, realizes the unusual external status prompting of product test.
The I/O delivery outlet of PLC control module 1 triggers resistance test module 2 work of connecting by program process.
The voltage signal that resistance test module 2 provides by resistance measuring circuit 16 outputs on the LED display module 21 after calculating resistance value.LED display module 21 comprises LED and shows (electric current of demonstration and resistance), the setting key of modified value and upper limit alarm value, upper limit alarm lamp and hummer.
The course of work of the present utility model is as follows:
Product is put into test fixture, after control knob 11 starts, the clamp system action of PLC control module 1 control topworks, realization is to the clamping of product, connect each phase break-make determination circuit by mechanical on off test circuit 15, and the feedback signal of topworks's sensing device 12 and mechanical break-make feedback unit 13 is inputed to PLC deactivation divide-shut brake topworks carry out divide-shut brake by the program of setting.PLC judges according to the feedback signal of mechanical break-make feedback unit 13 after each the combined floodgate, whether phase shortage or slide fastener are arranged, and in real time on off operating mode indicating circuit 17 output on off operating mode indicator signals, normally then finish test mechanical life by set point number, report to the police otherwise connect, it is out of service to carry out simultaneously control circuit 14 controls, until PLC receives control knob 11 input reset signals, original state is returned in all outputs that reset.
After mechanical life, test reached set point number, PLC disconnected the mechanical on off test circuit 15 of each phase of product and the switching off/on device of topworks, and resistance measuring circuit 16 is started working, and electric current and the voltage signal of each phase are delivered to resistance test module 2 ends.After PLC obtains the feedback signal of resistance connection, trigger resistance measuring module 2 and enter measuring state, resistance measuring module 2 calculates resistance value according to the voltage and current value of input, and with upper limit set value relatively, the result is exported LED display module 21, unacceptable product is buzzer warning then, reports to the police to reset by manual confirmation.Test result is qualified, and PLC disconnects resistance measuring circuit 16, topworks's outage, and release products is returned original state.
Claims (2)
1. mechanical life and loop resistance pick-up unit is characterized in that: it includes and can carry out the topworks of clamping position and breaking-closing operating and carry out control circuit, can detect the resistance measuring circuit of test product main circuit current and voltage signal test product; The control system of this device includes a PLC control module, and whether the signal input part of PLC control module is connected with respectively to input the control knob of carrying out instruction, be used for detecting topworks carries out the topworks's sensing device that puts in place, the mechanical break-make feedback unit that is used for feeding back mechanical break-make feedback signal; The control signal output terminal of PLC control module connects respectively the mechanical on off test circuit of carrying out control circuit, being used for testing each phase on off operating mode of test product, the resistance measuring circuit that can measure each phase loop voltage of test product and current signal; The detection signal input resistance test module of resistance measuring circuit, the PLC control module can be to resistance test module output startup and the control signal that stops, and the output terminal of resistance test module is connected with the LED display module.
2. mechanical life according to claim 1 and loop resistance pick-up unit, it is characterized in that: the signal output part of PLC control module also is connected with an on off operating mode indicating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204126927U CN202870255U (en) | 2012-08-20 | 2012-08-20 | Molded case circuit breaker mechanical life and loop resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204126927U CN202870255U (en) | 2012-08-20 | 2012-08-20 | Molded case circuit breaker mechanical life and loop resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202870255U true CN202870255U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204126927U Expired - Lifetime CN202870255U (en) | 2012-08-20 | 2012-08-20 | Molded case circuit breaker mechanical life and loop resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202870255U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898049A (en) * | 2015-05-22 | 2015-09-09 | 湖南华峰新宇电子有限公司 | Electromagnetic circuit breaker debugging and detection equipment system |
| CN106324491A (en) * | 2016-08-11 | 2017-01-11 | 国网重庆市电力公司电力科学研究院 | High acceleration test failure platform for load switch for electric energy meter and testing method |
| CN111596133A (en) * | 2020-05-26 | 2020-08-28 | 广东电网有限责任公司东莞供电局 | GIS loop resistance testing device and method |
| CN114152871A (en) * | 2021-11-26 | 2022-03-08 | 国网上海市电力公司 | Automatic test platform and test method for mechanical aging characteristics of circuit breaker |
-
2012
- 2012-08-20 CN CN2012204126927U patent/CN202870255U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898049A (en) * | 2015-05-22 | 2015-09-09 | 湖南华峰新宇电子有限公司 | Electromagnetic circuit breaker debugging and detection equipment system |
| CN104898049B (en) * | 2015-05-22 | 2018-03-16 | 湖南华峰新宇电子有限公司 | A kind of electro-magnetic circuit breaker debugs detection device system |
| CN106324491A (en) * | 2016-08-11 | 2017-01-11 | 国网重庆市电力公司电力科学研究院 | High acceleration test failure platform for load switch for electric energy meter and testing method |
| CN111596133A (en) * | 2020-05-26 | 2020-08-28 | 广东电网有限责任公司东莞供电局 | GIS loop resistance testing device and method |
| CN114152871A (en) * | 2021-11-26 | 2022-03-08 | 国网上海市电力公司 | Automatic test platform and test method for mechanical aging characteristics of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160711 Address after: Xinba Daquan 212211 Yangzhong Road, Zhenjiang City, Jiangsu province 66 Patentee after: JIANGSU DAQO KFINE ELECTRIC Co.,Ltd. Address before: 212211 Jiangsu city of Zhenjiang province Yangzhong city science and Technology Park Road Xinba Daquan Daquan Patentee before: Jiangsu Daqo Kaifan Electrical Appliance Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Daquan Kaifan switch Co.,Ltd. Address before: No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU DAQO KFINE ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |