CN104931875A - Load switch electrical life and mechanical life operation characteristic test device - Google Patents
Load switch electrical life and mechanical life operation characteristic test device Download PDFInfo
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- CN104931875A CN104931875A CN201510330247.4A CN201510330247A CN104931875A CN 104931875 A CN104931875 A CN 104931875A CN 201510330247 A CN201510330247 A CN 201510330247A CN 104931875 A CN104931875 A CN 104931875A
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Abstract
The invention discloses a load switch electrical life and mechanical life operation characteristic test device which comprises a chassis, a microcomputer control system, a test current device and a load switch test device. The load switch test device comprises an automatic feeding mechanism, a clamping mechanism and an automatic switching-closing mechanism. The automatic switching-closing mechanism is arranged within the chassis. The automatic feeding mechanism is vertically arranged in the middle of the automatic switching-closing mechanism. The clamping mechanism is arranged on the side of the automatic feeding mechanism. The microcomputer control system is connected with an electrode, a feeding cylinder, a clamping cylinder, an electrode cylinder, a pressing cylinder and a switching-closing cylinder, and is used for providing current for the electrode and controlling the cylinders to work. The test current device is connected to the electrode, and is used for testing the work current of the electrode. The load switch electrical life and mechanical life operation characteristic test device provided by the invention has the advantages of simple structure, high automation degree, low labor cost and high judgment efficiency.
Description
Technical field
The present invention relates to a kind of based on on-load switch electric life, mechanical life acting characteristic test unit, belong to on-load switch acting characteristic intelligent measuring technology field.
Background technology
On-load switch is a kind of protector be widely used in industrial automation and building industry low-voltage distribution system.Along with National Industrial robotization and building industry iterative method, increasing on-load switch has been put in on-the-spot operation.Existing on-load switch service data shows, the conventional sense of carrying out according to technical standard ensure that the supply of material quality of on-load switch to a certain extent, but the hidden failure of on-load switch inherence cannot be got rid of, such as: disjunction by mistake, breaking current value is unstable, in serviceable life etc., these faults belong to that on-load switch inaccurate test in conventionally test situation causes mostly.Once occur, just cannot carry out available protecting to residing distribution system, cut off circuit rapidly, so caused consequence is very serious.
About the detection of on-load switch acting characteristic, more conventional detection means is exactly artificial at present, relates to and manually adjusts size of current, rule of thumb judges adjustment voltage, may need repeatedly to adjust several times and need artificial cognition disjunction, labour intensity is large, and skill requirement is high, and mistake is difficult to find or chance on to cause data to occur, probability of happening is lower, and not easily reappear, finally cause that same batch products acting characteristic is abnormal dispatches from the factory, loss difficult to the appraisal is caused to terminal user.
Summary of the invention
Object: in order to overcome the deficiencies in the prior art, the invention provides a kind of based on on-load switch electric life, mechanical life acting characteristic test unit.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of based on on-load switch electric life, mechanical life acting characteristic test unit, comprise casing, Control System of Microcomputer, measuring current device, on-load switch test unit, described on-load switch test unit comprises automatic feed mechanism, clamp system, automatically close/open machine; Described automatic feed mechanism comprises: feeding cylinder, magazine, feeding guide, and described magazine side is arranged on feeding guide, and magazine rear end is provided with feeding cylinder, and magazine another side is offered and is equipped with through hole; Described clamp system comprises: clamping cylinder, and described clamping cylinder is arranged on magazine side, for clamping the on-load switch in magazine; Described automatic close/open machine comprises: electrode cylinder, lifting guide pillar, electrode, electrode installing plate, slide plate, compression cylinder, compression guide rail, divide-shut brake plate, divide-shut brake cylinder; Slide plate is symmetrically arranged with up and down between described lifting guide pillar, slide plate one side is connected with electrode cylinder, slide plate another side is provided with to compress on guide rail, compression guide rail and is provided with electrode installing plate, and electrode installing plate front is provided with electrode, and the described electrode installing plate back side is provided with compression cylinder; Described divide-shut brake cylinder is symmetrical arranged up and down, and divide-shut brake cylinder one end is provided with divide-shut brake plate; Described automatic close/open machine is arranged in casing, and described automatic feed mechanism is vertically set in the middle part of automatic close/open machine, and described clamp system is arranged on automatic feed mechanism side; Described Control System of Microcomputer and electrode, feeding cylinder, clamping cylinder, electrode cylinder, compression cylinder, divide-shut brake cylinders connect, for providing electric current to electrode, and control cylinder work; Described measuring current device is connected with electrode, for test electrode working current.
Described Control System of Microcomputer comprises host computer, PLC, pressure regulator, contactor, described host computer is connected with PLC, PLC and pressure regulator, feeding cylinder, clamping cylinder, electrode cylinder, compression cylinder, divide-shut brake cylinders connect, power supply is connected with contactor, contactor output terminal is connected with pressure regulator input end, and output voltage regulator is connected with electrode.
Described measuring current device comprises current transformer, host computer, and described current mutual inductor one end is connected with electrode, and the other end is connected with host computer.
Preferably, the quantity of described on-load switch test unit is set to four groups.
Beneficial effect: provided by the invention based on on-load switch electric life, mechanical life acting characteristic test unit, adopt on-load switch test unit can complete the whole test steps except artificial loading and unloading, comprise the electric life of on-load switch, mechanical life two contents of the test; The design's structure is simple, automaticity is high, cost of labor is low, judging efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of automatic feed mechanism;
Fig. 3 is the structural representation of clamp system;
Fig. 4 is the structural representation of automatic close/open machine;
Fig. 5 is the structural representation of Control System of Microcomputer;
Fig. 6 is the structural representation of measuring current device.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As Figure 1-4, a kind of based on on-load switch electric life, mechanical life acting characteristic test unit, comprise casing 1, Control System of Microcomputer 2, measuring current device 3, on-load switch test unit 4, described on-load switch test unit 4 comprises automatic feed mechanism 41, clamp system 42, automatically close/open machine 43, described automatic feed mechanism comprises: feeding cylinder 411, magazine 412, feeding guide 413, and described magazine 412 side is arranged on feeding guide 413, and magazine 412 rear end is provided with feeding cylinder 411, and magazine 412 another side is offered and is equipped with through hole 414, described clamp system 42 comprises: clamping cylinder 421, and described clamping cylinder 421 is arranged on magazine 412 side, and clamping cylinder 421 front end can be stretched in the through hole 414 of magazine 412 side, for clamping the on-load switch 5 in magazine 412, described automatic close/open machine 43 comprises: electrode cylinder 431, lifting guide pillar 432, electrode 433, electrode installing plate 434, slide plate 435, compression cylinder 436, compression guide rail 437, divide-shut brake plate 438, divide-shut brake cylinder 439, slide plate 435 is symmetrically arranged with up and down between described lifting guide pillar 432, slide plate 435 one side is connected with electrode cylinder 431, described slide plate 435 moves up and down along lifting guide pillar 432 under electrode cylinder 431 drives, slide plate 435 another side is provided with and compresses guide rail 437, compress on guide rail 437 and be provided with electrode installing plate 434, electrode installing plate 434 front is provided with electrode 433, electrode installing plate 434 back side is provided with compression cylinder 436, described electrode installing plate 434 moves horizontally along compressing guide rail 437 under compression cylinder 436 drives, described electrode 433 is under the effect of electrode cylinder 431, insert the power interface of on-load switch 5, again under compression cylinder 436 acts on, by real to electrode 433 and power interface card, described divide-shut brake cylinder about 439 is symmetricly set on casing 1, divide-shut brake cylinder 439 one end is provided with divide-shut brake plate 438, match with the on & off switch position of on-load switch 5 in the position of described divide-shut brake plate 438, for by two divide-shut brake plates 438 upper and lower toggle switch keys respectively, complete on-load switch 5 deciliter, described automatic close/open machine 43 is arranged in casing 1, and described automatic feed mechanism 41 is vertically set in the middle part of automatic close/open machine 43, and described clamp system 42 is arranged on automatic feed mechanism 43 side, described Control System of Microcomputer 2 is connected with electrode 433, feeding cylinder 411, clamping cylinder 421, electrode cylinder 431, compression cylinder 436, divide-shut brake cylinder 439, provides electric current, control cylinder work for giving electrode 433, described measuring current device 3 is connected with electrode 433, for test electrode 433 working current.
As shown in Figure 5, described Control System of Microcomputer 2 comprises host computer 21, PLC22, pressure regulator 23, contactor 24, described host computer 21 is connected with PLC22, PLC22 is connected with pressure regulator 23, feeding cylinder 411, clamping cylinder 421, electrode cylinder 431, compression cylinder 436, divide-shut brake cylinder 439, power supply is connected with contactor 24, contactor 24 output terminal is connected with pressure regulator 23 input end, and pressure regulator 23 output terminal is connected with electrode 433.
As shown in Figure 6, described measuring current device 3 comprises current transformer 31, host computer 21, and described current mutual inductor 31 one end is connected with electrode 433, and the other end is connected with host computer 21.
Concrete use-pattern is as follows: when test starts, instruction is sent to PLC by host computer, and PLC controls feeding cylinder and stretched out by magazine, and operating personnel retract after on-load switch is put into magazine automatic close/open machine; Clamping cylinder stretches into magazine side, clamp load switch; Electrode cylinder, compression cylinder match, and to be inserted by electrode in on-load switch power interface and to clamp; Power supply electrifying, PLC controls pressure regulator to electrode input current, completes electric life test; PLC is controlled divide-shut brake cylinder and to be moved up and down on-load switch toggle switch key by divide-shut brake plate, completes test mechanical life; The peak point current that the real-time potential electrode of current transformer exports, and input host computer, host computer judges, and converts effective value to and show, and for operating personnel's reading, understands test situation.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. one kind based on on-load switch electric life, mechanical life acting characteristic test unit, comprise casing, Control System of Microcomputer, measuring current device, on-load switch test unit, it is characterized in that: described on-load switch test unit comprises automatic feed mechanism, clamp system, automatically close/open machine; Described automatic feed mechanism comprises: feeding cylinder, magazine, feeding guide, and described magazine side is arranged on feeding guide, and magazine rear end is provided with feeding cylinder, and magazine another side is offered and is equipped with through hole; Described clamp system comprises: clamping cylinder, and described clamping cylinder is arranged on magazine side, for clamping the on-load switch in magazine; Described automatic close/open machine comprises: electrode cylinder, lifting guide pillar, electrode, electrode installing plate, slide plate, compression cylinder, compression guide rail, divide-shut brake plate, divide-shut brake cylinder; Slide plate is symmetrically arranged with up and down between described lifting guide pillar, slide plate one side is connected with electrode cylinder, slide plate another side is provided with to compress on guide rail, compression guide rail and is provided with electrode installing plate, and electrode installing plate front is provided with electrode, and the described electrode installing plate back side is provided with compression cylinder; Described divide-shut brake cylinder is symmetrical arranged up and down, and divide-shut brake cylinder one end is provided with divide-shut brake plate; Described automatic close/open machine is arranged in casing, and described automatic feed mechanism is vertically set in the middle part of automatic close/open machine, and described clamp system is arranged on automatic feed mechanism side; Described Control System of Microcomputer and electrode, feeding cylinder, clamping cylinder, electrode cylinder, compression cylinder, divide-shut brake cylinders connect, for providing electric current to electrode, and control cylinder work; Described measuring current device is connected with electrode, for test electrode working current.
2. according to claim 1 based on on-load switch electric life, mechanical life acting characteristic test unit, it is characterized in that: described Control System of Microcomputer comprises host computer, PLC, pressure regulator, contactor, described host computer is connected with PLC, PLC and pressure regulator, feeding cylinder, clamping cylinder, electrode cylinder, compression cylinder, divide-shut brake cylinders connect, power supply is connected with contactor, contactor output terminal is connected with pressure regulator input end, and output voltage regulator is connected with electrode.
3. according to claim 1 based on on-load switch electric life, mechanical life acting characteristic test unit, it is characterized in that: described measuring current device comprises current transformer, host computer, described current mutual inductor one end is connected with electrode, and the other end is connected with host computer.
4. according to claim 1 based on on-load switch electric life, mechanical life acting characteristic test unit, it is characterized in that: the quantity of described on-load switch test unit is set to four groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510330247.4A CN104931875B (en) | 2015-06-15 | 2015-06-15 | Based on on-load switch electric life, mechanical life acting characteristic experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510330247.4A CN104931875B (en) | 2015-06-15 | 2015-06-15 | Based on on-load switch electric life, mechanical life acting characteristic experimental rig |
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| CN104931875A true CN104931875A (en) | 2015-09-23 |
| CN104931875B CN104931875B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510330247.4A Active CN104931875B (en) | 2015-06-15 | 2015-06-15 | Based on on-load switch electric life, mechanical life acting characteristic experimental rig |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987135A (en) * | 2018-09-14 | 2018-12-11 | 昆山威典电子有限公司 | A kind of automatic toggle mechanism of toggle switch |
| CN109443730A (en) * | 2018-12-11 | 2019-03-08 | 国网冀北电力有限公司唐山供电公司 | A kind of antifatigue verifying attachment of power switch and its application method |
| WO2021147281A1 (en) * | 2020-01-20 | 2021-07-29 | 中国电力科学研究院有限公司 | Device and method for performing quantitative evaluation testing of power distribution switch |
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| JPH07110290A (en) * | 1993-10-12 | 1995-04-25 | D C:Kk | Switch durability testing device |
| JP2001249166A (en) * | 2000-03-03 | 2001-09-14 | Nec Corp | Circuit device, package member, circuit manufacturing method, circuit test method and device |
| CN201289519Y (en) * | 2008-09-25 | 2009-08-12 | 厦门金思维电子有限公司 | Key switch longevity test machine |
| CN103983917A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Miniature circuit breaker instantaneous action characteristic test bed and test method thereof |
| CN204740326U (en) * | 2015-06-15 | 2015-11-04 | 国家电网公司 | Based on load switch electric life, mechanical durability operating characteristic test device |
-
2015
- 2015-06-15 CN CN201510330247.4A patent/CN104931875B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07110290A (en) * | 1993-10-12 | 1995-04-25 | D C:Kk | Switch durability testing device |
| JP2001249166A (en) * | 2000-03-03 | 2001-09-14 | Nec Corp | Circuit device, package member, circuit manufacturing method, circuit test method and device |
| CN201289519Y (en) * | 2008-09-25 | 2009-08-12 | 厦门金思维电子有限公司 | Key switch longevity test machine |
| CN103983917A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Miniature circuit breaker instantaneous action characteristic test bed and test method thereof |
| CN204740326U (en) * | 2015-06-15 | 2015-11-04 | 国家电网公司 | Based on load switch electric life, mechanical durability operating characteristic test device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987135A (en) * | 2018-09-14 | 2018-12-11 | 昆山威典电子有限公司 | A kind of automatic toggle mechanism of toggle switch |
| CN108987135B (en) * | 2018-09-14 | 2024-05-24 | 昆山威典电子有限公司 | Automatic toggle mechanism of dial switch |
| CN109443730A (en) * | 2018-12-11 | 2019-03-08 | 国网冀北电力有限公司唐山供电公司 | A kind of antifatigue verifying attachment of power switch and its application method |
| WO2021147281A1 (en) * | 2020-01-20 | 2021-07-29 | 中国电力科学研究院有限公司 | Device and method for performing quantitative evaluation testing of power distribution switch |
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| CN104931875B (en) | 2018-06-19 |
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