CN204374381U - A kind of miniature circuit breaker standard feature testing table - Google Patents
A kind of miniature circuit breaker standard feature testing table Download PDFInfo
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- CN204374381U CN204374381U CN201520072603.2U CN201520072603U CN204374381U CN 204374381 U CN204374381 U CN 204374381U CN 201520072603 U CN201520072603 U CN 201520072603U CN 204374381 U CN204374381 U CN 204374381U
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Abstract
A kind of miniature circuit breaker standard feature testing table, comprise switch board and the wiring cabinet being arranged on switch board side, described switch board is by aluminium alloy extrusions skeleton, plastic-blasting panel forms, the upper right of switch board is provided with touch display screen and industrial PC, frequency conversion experiment power supply and the computer test sensor of each test unit is provided with in the upper left-hand and lower part box of switch board, the code test wire of applicable each test unit different tests size of current is provided with in the insulcrete on described wiring cabinet top, the frequency conversion experiment power supply of described each test unit comprises intelligent controller, current regulator, protective breaker, A.C. contactor, current lifting device summation current transformer, this standard feature testing table operation is easy to use, all tests are completed automatically by the program of computer according to setting, because each unit adopts variable-frequency power sources, stable work in work, error of test data is less.
Description
Technical field
The utility model relates to a kind of electric appliance test stand, particularly relates to a kind of miniature circuit breaker standard feature testing table.
Background technology
Isolating switch is a kind of conventional protective device, overload and short-circuit protection effect is played in for electric line, in order to ensure the product quality of isolating switch, standard feature testing table must be used to miniature circuit breaker 1.13 times of rated current when isolating switch dispatches from the factory, the macroscopic test electric current of designated time and 1.45 times of rated current, time m-current protection feature under the high power test current of designated time carries out detection check, the test current being exported each test unit by an experiment power supply by secondary parallel that traditional miniature circuit breaker standard feature testing table has, the switching of test period is controlled by the time relay, what have also arranges experiment power supply by test unit, but generally use 50 hertz of AC low-tension sources, output test electric current is recommended by high power transistor composition, traditional standard feature testing table is due to the many disadvantages of experiment power supply and control system, failure rate is higher, automaticity is not high simultaneously, be difficult to meet modern testing requirements.
Summary of the invention
The purpose of this utility model is the many disadvantages overcoming conventional small isolating switch standard feature testing table, discloses a kind of by frequency-changing AC source and miniature circuit breaker standard feature testing table wholly computer controlled.
To achieve these goals, the technical solution adopted in the utility model is: comprise switch board and the wiring cabinet being arranged on switch board side, described switch board is by aluminium alloy extrusions skeleton, plastic-blasting panel forms, the upper right of switch board is provided with touch display screen and industrial PC, frequency conversion experiment power supply and the computer test sensor of each test unit is provided with in the upper left-hand and lower part box of switch board, the skeleton of described wiring cabinet is made up of aluminium alloy extrusions, the code test wire of applicable each test unit different tests size of current is provided with in the insulcrete on described wiring cabinet top, the middle and lower part of wiring cabinet is provided with stainless steel worktable panel.
Further setting, the experiment power supply of described each test unit comprises intelligent controller, current regulator, protective breaker, A.C. contactor, current lifting device, current transformer and calculagraph, they connect like this: the protective breaker of described each test unit takes out single phase poaer supply from power supply, protective breaker output voltage is to described intelligent controller and current regulator, it is elementary that described current regulator exports current lifting device to, current lifting device is secondary elementary by described current transformer, A.C. contactor, code test wire and tested miniature circuit breaker composition test loop, the secondary taking-up 5A AC signal of described current transformer is to intelligent controller, intelligent controller is connected to described calculagraph, the elementary of described current transformer arranges multiple electric current output gear, by the test routine of described intelligent controller according to setting, test current and test period automatically control associated AC contactor and make the test current of the secondary stepping stable output of current lifting device.
Further setting, described each test unit can according to test needs, several or the identical experiment power supply of dozens of structure is set, several even the standard feature test of tens of miniature circuit breakers can be carried out simultaneously, each experiment power supply and computer test sensor and described industrial PC form histogram formula TT&C system, carry out man-machine conversation by the keyboard of industrial PC or touch display screen, show and retain various test figure in real time.
The operation of above structure miniature circuit breaker standard feature testing table uses very easy, first according to the model specification of tested miniature circuit breaker, wiring cabinet is selected the code test wire be applicable to carry out wiring and the tested isolating switch that closes, and then set macroscopic test electric current and high power test current and test period at touch display screen or by the keyboard on industrial PC, click on-test, namely the tested miniature circuit breaker of each test unit automatically carries out the high power electric current of miniature circuit breaker and the standard feature test of low power electric current under the test current of setting and test period, on touch display screen, show Test condition in real time simultaneously, test rear automatic record and preserved various test figure.
The beneficial effect that the miniature circuit breaker standard feature testing table of above structure has is: this standard feature testing table operation is easy to use, all tests are completed automatically by the program of computer according to setting, because each unit adopts variable-frequency power sources, stable work in work, error of test data is less.
Accompanying drawing explanation
Fig. 1 is appearance integral structural drawing of the present utility model;
Fig. 2 is the inner structure main line figure of Fig. 1.
Embodiment
Composition graphs 1, Fig. 2, by specific embodiment, be suitable for novel being described further to this.
A kind of rated current is the miniature circuit breaker 10 station 100A standard feature testing table of 63A, comprise switch board 3 and the wiring cabinet 7 being arranged on switch board 3 side, described switch board 3 is made up of aluminium alloy extrusions skeleton 2 and plastic-blasting panel, the upper right of switch board 3 is provided with touch display screen 4 and industrial PC 5, frequency conversion experiment power supply and the computer test sensor of each test unit is provided with in the upper left-hand and lower part box 1 of switch board 3, the skeleton of described wiring cabinet 7 is made up of aluminium alloy extrusions 6, the code test wire 8 of applicable each test unit different tests size of current is provided with in the insulcrete 9 on described wiring cabinet 7 top, the middle and lower part of wiring cabinet 7 is provided with stainless steel worktable panel 10.
Further setting, the experiment power supply of described each test unit comprises intelligent controller 18, current regulator 21, protective breaker 11, A.C. contactor 15, current lifting device 13, current transformer 14 and calculagraph 19, they connect like this: the protective breaker 11 of described each test unit takes out single phase poaer supply from power supply, protective breaker 11 exports two road voltages to described intelligent controller 18 and current regulator 21, the control coil 12 that another road is described A.C. contactor provides power supply, it is elementary that described current regulator 21 output connects current lifting device 13, current lifting device 13 levels are elementary by described current transformer 14, three gear A.C. contactors 15, the 8 gear code test wires 8 of 1A ~ 63A and 10 tested miniature circuit breakers form 10 test loops, the secondary taking-up 5A AC signal of described current transformer 13 is to intelligent controller 18, intelligent controller 18 is connected to described calculagraph 19, described AC signal and time signal to described current regulator 21 IGBT management and control pole and export the elementary of current lifting device 13 to by the voltage stabilizing of IGBT pipe, thus make the test current of the secondary stable output of current lifting device 13, described the elementary of current transformer 13 arranges 10A, 50A, 100A tri-electric currents export gear, automatically control the control coil 12 of associated AC contactor 15 by described intelligent controller 18 according to the test routine of setting and test current respectively and make the test current of the secondary stepping stable output of current lifting device 13.
Further setting, described test unit is set to ten, identical 10 the frequency conversion experiment power supplies of configuration structure, the standard feature test of ten tested miniature circuit breakers can be carried out simultaneously, each frequency conversion experiment power supply and computer test sensor form a point decorations formula TT&C system with described industrial PC 5 and touch display screen 4, man-machine conversation is carried out by the keyboard of industrial PC 5 or touch display screen 4, touch display screen shows Test condition in real time, tests the various test figure of rear automatic reservation.
Claims (3)
1. a miniature circuit breaker standard feature testing table, it is characterized in that: comprise switch board and the wiring cabinet being arranged on switch board side, described switch board is by aluminium alloy extrusions skeleton, plastic-blasting panel forms, the upper right of switch board is provided with touch display screen and industrial PC, frequency conversion experiment power supply and the computer test sensor of each test unit is provided with in the upper left-hand and lower part box of switch board, the skeleton of described wiring cabinet is made up of aluminium alloy extrusions, the code test wire of applicable each test unit different tests size of current is provided with in the insulcrete on described wiring cabinet top, the middle and lower part of wiring cabinet is provided with stainless steel worktable panel.
2. miniature circuit breaker standard feature testing table according to claim 1, it is characterized in that: the frequency conversion experiment power supply of described each test unit comprises intelligent controller, current regulator, protective breaker, A.C. contactor, current lifting device, current transformer and calculagraph, they connect like this: the protective breaker of described each test unit takes out single phase poaer supply from power supply, protective breaker output voltage is to described intelligent controller and current regulator, it is elementary that described current regulator output connects current lifting device, current lifting device is secondary elementary by described current transformer, A.C. contactor, code test wire and tested miniature circuit breaker composition test loop, the secondary taking-up 5A AC signal of described current transformer is to intelligent controller, intelligent controller is connected to described calculagraph, the elementary of described current transformer arranges multiple electric current output gear, by the test routine of described intelligent controller according to setting, test current and test period automatically control associated AC contactor and make the test current of the secondary stepping stable output of current lifting device.
3. according to miniature circuit breaker standard feature testing table according to claim 1 or claim 2, it is characterized in that: described each test unit can according to test needs, several or the identical frequency conversion experiment power supply of dozens of structure is set, each frequency conversion experiment power supply and computer test sensor and described industrial PC form a point Fabric formula TT&C system, carry out man-machine conversation by the keyboard of industrial PC or touch display screen, show and retain various test figure in real time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072603.2U CN204374381U (en) | 2015-01-29 | 2015-01-29 | A kind of miniature circuit breaker standard feature testing table |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520072603.2U CN204374381U (en) | 2015-01-29 | 2015-01-29 | A kind of miniature circuit breaker standard feature testing table |
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| CN204374381U true CN204374381U (en) | 2015-06-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383308A (en) * | 2016-10-31 | 2017-02-08 | 中国电力科学研究院 | Charge control circuit breaker automatic breaking/closing test device |
| CN106405403A (en) * | 2016-10-31 | 2017-02-15 | 中国电力科学研究院 | Cost control circuit breaker function test intelligent test device |
| CN106646209A (en) * | 2016-10-31 | 2017-05-10 | 中国电力科学研究院 | High and low temperature trip intelligent test device for cost-control circuit breaker |
| CN109238681A (en) * | 2018-10-17 | 2019-01-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Fuse switch detection system and method |
| CN110514997A (en) * | 2019-09-10 | 2019-11-29 | 浙江华电器材检测研究所有限公司 | A kind of detection device detecting breaker |
-
2015
- 2015-01-29 CN CN201520072603.2U patent/CN204374381U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383308A (en) * | 2016-10-31 | 2017-02-08 | 中国电力科学研究院 | Charge control circuit breaker automatic breaking/closing test device |
| CN106405403A (en) * | 2016-10-31 | 2017-02-15 | 中国电力科学研究院 | Cost control circuit breaker function test intelligent test device |
| CN106646209A (en) * | 2016-10-31 | 2017-05-10 | 中国电力科学研究院 | High and low temperature trip intelligent test device for cost-control circuit breaker |
| CN106646209B (en) * | 2016-10-31 | 2023-12-05 | 中国电力科学研究院 | Intelligent testing equipment for high-temperature and low-temperature tripping of charge control circuit breaker |
| CN106405403B (en) * | 2016-10-31 | 2024-02-23 | 中国电力科学研究院 | Intelligent testing equipment for function test of charge control circuit breaker |
| CN106383308B (en) * | 2016-10-31 | 2024-03-12 | 中国电力科学研究院 | Automatic opening and closing test equipment for charge control circuit breaker |
| CN109238681A (en) * | 2018-10-17 | 2019-01-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Fuse switch detection system and method |
| CN110514997A (en) * | 2019-09-10 | 2019-11-29 | 浙江华电器材检测研究所有限公司 | A kind of detection device detecting breaker |
| CN110514997B (en) * | 2019-09-10 | 2021-06-11 | 浙江华电器材检测研究所有限公司 | Detection device for detecting circuit breaker |
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