CN203217054U - Protection switch test stand - Google Patents
Protection switch test stand Download PDFInfo
- Publication number
- CN203217054U CN203217054U CN 201320269284 CN201320269284U CN203217054U CN 203217054 U CN203217054 U CN 203217054U CN 201320269284 CN201320269284 CN 201320269284 CN 201320269284 U CN201320269284 U CN 201320269284U CN 203217054 U CN203217054 U CN 203217054U
- Authority
- CN
- China
- Prior art keywords
- test
- acquisition circuit
- man
- data acquisition
- dsp data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a protection switch test stand. The protection switch test stand comprises a microcomputer test operating stand and a high voltage heavy current control cabinet, wherein the microcomputer test operating stand is connected with the high voltage heavy current control cabinet, a casing is internally equipped with a switching value acquisition circuit, an analog quantity acquisition circuit, a DSP data acquisition unit, an embedded industrial computer, a PLC (programmable controller), a man-machine interaction and an I/O isolation relay, the high voltage heavy current control cabinet is respectively connected with the switching value acquisition circuit and the analog quantity acquisition circuit, the switching value acquisition circuit and the analog quantity acquisition circuit are respectively connected with the DSP data acquisition unit, the DSP data acquisition unit is connected with the embedded industrial computer, the PLC is connected with the I/O isolation relay, and the I/O isolation relay is connected with the high voltage heavy current control cabinet. The protection switch test stand is advantaged in that: complete isolation of an operation loop and a control loop is realized; personal safety is guaranteed; error operation carried out by an operator is prevented.
Description
Technical field
The utility model relates to a kind of protection switch testing table.
Background technology
In Coal Production, because the high-low pressure flame-proof switch is the key equipment of Coal Production, the down-hole is owing to work under bad environment, and the time of changing the high-low pressure flame-proof switch is longer, has a strong impact on ordinary production; The malfunctioning loads such as motor transformer that connect that can cause when being short-circuited fault of flame-proof switch burn simultaneously, even the initiation fire accident, threaten down-hole workmen's personal safety.Therefore the damage of high-low pressure flame-proof switch often causes very large economy loss; because at present in the using and keep in repair of high-low pressure flame-proof switch; it is comparatively backward to lack perfect quality testing means or detection means; still adopt the selftest button of switch to protect test, can't be to the acting characteristic of protection carry out record.Therefore set up the safe and reliable intelligent protection switch test platform of a cover, improve the reliability of high-low pressure flame-proof switch work, reduce production costs, ensure that the mine safety economical production is imperative.
Summary of the invention
The purpose of this utility model is to provide a kind of new application in colliery high-low pressure flame-proof switch intelligence test detecting equipment, system is combined into a cover intelligent operating system by equipment such as computer operation testing table, high-voltage great-current switch boards, functions such as automatic control operation, test figure are recorded automatically, stored, printing are carried out in realization to test load, improve reliability and the work efficiency of test.
The purpose of this utility model is achieved in that a kind of protection switch testing table, comprise microcomputer test operation platform and high-voltage great-current switch board, microcomputer test operation platform connects the high-voltage great-current switch board, described microcomputer test operation platform comprises housing, it is characterized in that: switch acquisition circuit, analog acquisition circuit, DSP data acquisition unit, embedded industrial computer, Programmable Logic Controller PLC, man-machine interaction unit and I/O disconnecting relay are housed in the housing; The high-voltage great-current switch board comprises stepper drive unit, experiment power supply output unit and U/I transducer, the high-voltage great-current switch board is connected with switch acquisition circuit, analog acquisition circuit respectively, the switch acquisition circuit is connected with the DSP data acquisition unit respectively with the analog acquisition circuit, the DSP data acquisition unit is connected with embedded industrial computer, embedded industrial computer is connected with Programmable Logic Controller PLC, man-machine interaction unit respectively, Programmable Logic Controller PLC is connected with the I/O disconnecting relay, and the I/O disconnecting relay is connected with the high-voltage great-current switch board.
The beneficial effects of the utility model have:
The utlity model has Based Intelligent Control and measurement function, process of the test has realized operation and the management of computing machine, automatically functions such as test report, printing are checked, formed automatically to collection, calculating, storage, the historical report of finishing test figure, with other GENERAL TYPE testing table simplified in comparison test loaded down with trivial details wiring process, effectively raise work efficiency, reduced the error rate in the test, test report is carried out reasonable standard output file, consult the test load that historical report can be convenient to same model, same parameter fast and carry out comparison of test results.Experimental facilities and payload security are guaranteed in the experiment power supply upper limit, lower limit and zero-bit locking.Software, electric, mechanical multiple locking prevent operating personnel's maloperation.
Description of drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is voltage signal sampling theorem figure of the present utility model;
Fig. 3 is current signal sampling theorem figure of the present utility model;
Fig. 4 is switching value signal principle figure of the present utility model;
Wherein 1, the Microcomputer Experiments operator's console, 2, the high-voltage great-current switch board, 3, the intelligent acquisition control module, 4, stepper drive unit, 5, experiment power supply output unit, 6, the U/I transducer, 7, the switching value passage, 8, analog quantity channel, 9, DSP data acquisition unit, 10, data acquisition unit, 11, man-machine interface, 12, programmable controller PLC, 13, the I/O disconnecting relay.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Embodiment 1
As shown in Figure 1, a kind of KRT-6 type protection switch testing table, comprise microcomputer test operation platform and high-voltage great-current switch board, microcomputer test operation platform connects the high-voltage great-current switch board, described microcomputer test operation platform comprises housing, and switch acquisition circuit, analog acquisition circuit, DSP data acquisition unit, embedded industrial computer, Programmable Logic Controller PLC, man-machine interaction unit and I/O disconnecting relay are housed in the housing; The high-voltage great-current switch board comprises stepper drive unit, experiment power supply output unit and U/I transducer, the high-voltage great-current switch board is connected with switch acquisition circuit, analog acquisition circuit respectively, switch acquisition circuit, analog acquisition circuit are connected with the DSP data acquisition unit respectively, the DSP data acquisition unit is connected with embedded industrial computer, embedded industrial computer is connected with Programmable Logic Controller PLC, man-machine interaction unit respectively, Programmable Logic Controller PLC is connected with the I/O disconnecting relay, and the I/O disconnecting relay is connected with the high-voltage great-current switch board.
Communicate by letter with Siemens Programmable Logic Controller (PLC) by the intelligent acquisition control module on the computer console and to control, to operate, select test function to be measured by the computer console man-machine interface, be combined into a cover test macro by equipment such as computer console, high-voltage great-current switch boards, test load is operated control, by man-machine interface to test figure monitor in real time, record automatically, store, function such as printing.The testing table working power is three-phase AC380V; protection switch power supply three-phase AC100V; AC380V; AC660V; AC1140V is all adjustable; the alternating-current voltage source way of output is manual (program control); range is adjustable between three-phase 0 ~ 1200V; capacity is 3kVA; the ac current source way of output is manual; range is that 1200A/three are symmetrical; accuracy reaches 0.5 grade; capacity is 10kVA; residual voltage is adjustable between 0 ~ 100V; the leak resistance setting range is coarse adjustment 1 ~ 99.9k Ω; fine tuning 0 ~ 1k Ω; 1K ohmic leakage flow measurement scope is between 0 ~ 2000mA; single-phase simulation ground capacitance is between 0.1uF ~ 1.0uF; protection action timing range is 0.1 ~ 9999ms; it is 0.1ms that three-phase is tested resolution the same period; threephase switch main contact temperature measurement range is between 0 ~ 200 ℃; the Displaying Meter precision reaches 0.5 grade; the channel capacity of intelligent type simulated amount signal acquiring system is analog quantity 32 tunnel, and the A/D conversion resolution is 16, and the effective value accuracy is 0.2 grade; input reference signal be alternating voltage between 0 ~ 1200V, alternating current is between 0 ~ 1200A.
Embodiment 2
Principle of work
Current protection test: export manual test button (the man-machine interface operating software enters electric current, voltage test interface) by the man-machine interface above the test operation platform or electric current; to the A.C. contactor in the switch board close, separating brake control; finish the output regulatory function of stopping sending electric work energy and overcurrent protection analog quantity of stepping pressure regulation unit, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.
Overvoltage, under-voltage protection test: export manual test button (the man-machine interface operating software enters electric current, voltage test interface) by the man-machine interface above the test operation platform or voltage; to the A.C. contactor in the switch board close, separating brake control; finish stepping and transfer the output regulatory function of stopping sending electric work energy and voltage protection analog quantity of stream unit, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.。
Electric leakage action, locking, release test: export manual test button (the man-machine interface operating software enters leak resistance output test interface) by the man-machine interface above the test operation platform or leak resistance; finish earth leakage protective action, locking, release test by regulating leak(age) test resistance, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.
Artificial capacitor complementation test: export manual test button (the man-machine interface operating software enters artificial capacitor compensation output test interface) by the man-machine interface above the test operation platform or capacitance compensation, come control capacittance output by 8421 yards various combinations to electric capacity, finish the artificial capacitor complementation test, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.
Test main contact same period: test manual test button (the man-machine interface operating software enters the main contact test interface same period) same period by the man-machine interface above the test operation platform or main contact, the intelligent acquisition control module passes through the main contact test of lock in time, finish test main contact same period, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.
Main contact temperature rise test: by the switch of testing apparatus being installed thermometric test probe, switch is fed required measuring current, the intelligent acquisition control module is by detection, record to the main contact temperature, finish the test to the main contact temperature rise, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.
Cable insulation monitors test: export manual test button (the man-machine interface operating software enters cable insulation and monitors the output test interface) by the man-machine interface above the test operation platform or leak resistance, by regulating Insulation Test resistance and loop test resistance, finish cable insulation and monitor test, by man-machine interface to the equipment under test data monitor in real time, record, storage, reporting printing.
Embodiment 3
Testing table is formed: be made up of major equipments such as microcomputer test operation platform, high-voltage great-current switch boards.
1, microcomputer test operation platform, by intelligent acquisition control module and Siemens's Programmable Logic Controller (PLC), communication is controlled, is operated, and operating process is simple and convenient, has realized the intellectuality of electrical test.And inserted various relevant fault-tolerant switching signals, and the experiment power supply upper limit, lower limit and zero-bit block signal have guaranteed accuracy and the reliability tested, the intelligence operation control system can realize generating automatically functions such as test report, storage, printing simultaneously.
2, high-voltage great-current switch board: transferred elements such as stream unit, step-up transformer, big electric current take place, test output interface to form by step-by-step movement pressure regulation unit, step-by-step movement, computer console is by finishing functions such as control to test load, data acquisition to the loud-break switch cabinet.
Embodiment 4
Protection switch testing table job step is as follows:
Open automatic control power supply, the intelligent acquisition control module moves " protection switch test routine " automatically,, in the selective listing " the electric current and voltage test " of code test.Test cable is connected tested device, and initial value and the stop value of input test current are pressed " electric current switch knob " stepping pressure regulator input power supply and are closed a floodgate, and corresponding combined floodgate pilot lamp is bright, and the stepping pressure regulator closes a floodgate successfully.Press " transfer stream button " and regulate test output current, when the test output current greater than by the over-current adjusting value of slowdown monitoring switch the time, protection action separating brake, action current and the actuation time of record protection automatically.Select " generation report " button of below after the off-test, print the test report or the selection that generate automatically and " withdraw from " the button end and preserve test.
The beneficial effects of the utility model have:
This experiment table is simple to operation, applied widely, be applicable to down-hole 6kV, 1140V and following feeding switch, electromagnetic starter, hand drill is combined and is protected, illumination sign is combined and is protected, the experimental measurement of all kinds of switches such as leak detection relay, adopt the PLC control system that combines with stepper motor, configuration is flexible, plant maintenance is simple, experimental safe is reliable, operation circuit (DC24V) is isolated fully with control loop (AC220V), guarantee personal safety, the experiment power supply upper limit, lower limit and zero-bit locking, guarantee experimental facilities and payload security, software, electric, the multiple locking of machinery, prevent operating personnel's maloperation, adopt the latest model industrial computer, stable quick, the deal with data amount is big, monitoring in real time, automatically generate test report, the full Chinese interface of software Windows 2000/XP platform, complete function, can satisfy all items of routine test and type approval test, the measuring accuracy height, basic accuracy is ± 0.2%, adopt 15 cun industrial LCD, operation interface is succinctly directly perceived, can show each test volume size in real time, waveform, historical data and the time-domain curve thereof that can show each test volume, can arrange artificial or self-timing preservation and printing test result, test figure and waveform, can preserve raw data in real time, handle in order to access at any time in the future, analyze and print, have USB interface, can connect printer and read test report and historical data, have network interface, data can be transmitted by network, can carry out the function expansion, can be on original pilot system basis upgrading, can carry out the software and hardware upgrading.
Claims (1)
1. protection switch testing table, comprise microcomputer test operation platform and high-voltage great-current switch board, microcomputer test operation platform connects the high-voltage great-current switch board, described microcomputer test operation platform comprises housing, it is characterized in that: switch acquisition circuit, analog acquisition circuit, DSP data acquisition unit, embedded industrial computer, Programmable Logic Controller PLC and man-machine interaction unit and I/O disconnecting relay are housed in the housing; The high-voltage great-current switch board comprises stepper drive unit, experiment power supply output unit and U/I transducer, the high-voltage great-current switch board is connected with switch acquisition circuit, analog acquisition circuit respectively, the switch acquisition circuit is connected with the DSP data acquisition unit respectively with the analog acquisition circuit, the DSP data acquisition unit is connected with embedded industrial computer, embedded industrial computer is connected with Programmable Logic Controller PLC, man-machine interaction unit respectively, Programmable Logic Controller PLC is connected with the I/O disconnecting relay, and the I/O disconnecting relay is connected with the high-voltage great-current switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320269284 CN203217054U (en) | 2013-05-17 | 2013-05-17 | Protection switch test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320269284 CN203217054U (en) | 2013-05-17 | 2013-05-17 | Protection switch test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217054U true CN203217054U (en) | 2013-09-25 |
Family
ID=49206579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320269284 Expired - Fee Related CN203217054U (en) | 2013-05-17 | 2013-05-17 | Protection switch test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203217054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181581A (en) * | 2018-03-19 | 2018-06-19 | 山东省产品质量检验研究院 | The intelligent test device and test method of a kind of residual current action protector |
| CN110211472A (en) * | 2019-04-26 | 2019-09-06 | 浙江大学 | The integrated system and method for middle duty DC speed regulation serial experiment |
| CN112462165A (en) * | 2020-10-30 | 2021-03-09 | 深圳市合众清洁能源研究院 | Visual test method and platform for electrical circuit of medium-low voltage panel cabinet |
-
2013
- 2013-05-17 CN CN 201320269284 patent/CN203217054U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181581A (en) * | 2018-03-19 | 2018-06-19 | 山东省产品质量检验研究院 | The intelligent test device and test method of a kind of residual current action protector |
| CN108181581B (en) * | 2018-03-19 | 2023-12-22 | 山东省产品质量检验研究院 | Intelligent testing device and testing method for residual current operated protector |
| CN110211472A (en) * | 2019-04-26 | 2019-09-06 | 浙江大学 | The integrated system and method for middle duty DC speed regulation serial experiment |
| CN110211472B (en) * | 2019-04-26 | 2021-06-25 | 浙江大学 | Integrated system and method for middle-duty DC speed regulation series experiment |
| CN112462165A (en) * | 2020-10-30 | 2021-03-09 | 深圳市合众清洁能源研究院 | Visual test method and platform for electrical circuit of medium-low voltage panel cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101900782B (en) | Testing system of gas insulated combined electric appliance equipment | |
| CN101944766B (en) | Operation and safety monitoring simulation system for power system | |
| CN103412259B (en) | A kind of direct-current circuit breaker on-off characteristic test device | |
| CN102332709B (en) | Equivalent high-voltage direct-current transmission direct-current protection digital simulation method and system | |
| CN203798934U (en) | Electric power DC insulation fault simulation and testing device | |
| CN203217023U (en) | Motor and transformer microcomputer integration test stand | |
| CN201984144U (en) | Spot differential coordination tester of portable direct current breaker | |
| CN203069753U (en) | Final-inspection bench for vacuum circuit breaker | |
| CN203217054U (en) | Protection switch test stand | |
| CN210051836U (en) | Intelligent large-current temperature rise test system | |
| CN103424692A (en) | Direct-current circuit breaker on-off characteristic test method | |
| CN202939885U (en) | Electrical measuring instrument simulation training apparatus | |
| CN209027588U (en) | A kind of Intelligent gas insulation ring network cabinet test macro | |
| CN207965116U (en) | A kind of field test equipment of fault electric arc detector | |
| CN202475013U (en) | Intelligent power distribution device | |
| CN104111433A (en) | Device for detecting motion performances of earth fault indicator | |
| CN203084125U (en) | Switch protector comprehensive test platform for mine | |
| CN204258421U (en) | 3kV ~ 10kV double-power supply switching device | |
| CN206975181U (en) | A kind of test system of more specification voltage generating sets | |
| CN201615935U (en) | Multifunctional multiplex device used for relay protection tester | |
| CN203941273U (en) | A kind of isolating switch temperature rise, wink are moved action test device | |
| CN110415590A (en) | A kind of intelligence power supply and distribution training platform and its control method | |
| CN102981121B (en) | Wind turbine generator set mobile type low voltage crossing test unit theft-resistant link chain and implementation method | |
| CN108152774A (en) | The field test equipment and its control method of a kind of fault electric arc detector | |
| CN204129185U (en) | AC load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140517 |