CN201035125Y - Remote leak test device for down-hole undervoltage feed switch - Google Patents
Remote leak test device for down-hole undervoltage feed switch Download PDFInfo
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- CN201035125Y CN201035125Y CNU2007200373854U CN200720037385U CN201035125Y CN 201035125 Y CN201035125 Y CN 201035125Y CN U2007200373854 U CNU2007200373854 U CN U2007200373854U CN 200720037385 U CN200720037385 U CN 200720037385U CN 201035125 Y CN201035125 Y CN 201035125Y
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- comprehensive protector
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Abstract
Provided is an underground low pressure feed switch remote leak detection testing device which belongs to the feed switch leak detection testing device. One end of the electric leakage testing resistance of the testing device is connected with a phase line on the loading side of the low pressure switch. The other end is connected with an electric leakage testing button and an intermediate relay normal open contact which are in parallel connection. The other end of the electric leakage testing button and the intermediate relay normal open contact which are in parallel connection is connected with the grounding point. The intermediate relay and the intelligent integrated protector normal open contact, the fuse and the secondary grade of the control transformer are in series connection to form a loop. The primary grade of the control transformer is connected with the power supply and the intelligent integrated protector is connected with a host computer system. The output wire of a current transducer is connected with the intelligent integrated protector which is connected with the power supply of the intelligent integrated protector. The utility model has the advantages of being able to fulfill the leak detection testing on the underground low pressure feed switch with an industrial computer on the ground and producing testing record automatically, saving a great deal of labor, reducing direct contact between people and the low pressure feed switch and protecting personal safety.
Description
Technical field
The utility model relates to a kind of feeding switch leak test device, the long-range leak test device of particularly a kind of down-hole low-voltage feeder switch.
Background technology
At present, " on the low voltage feeder line of down-hole, must install leak detection protective device or selective earth leakage protective device, guarantee to cut off automatically the feeder line that leaks electricity according to the regulation of " safety regulations in coal mine " the 457th.Must carry out a trip test every day to the ruuning situation of low pressure leakage detection apparatus ".The colliery all is to send every day the special messenger to carry out site test to the down-hole now, because the quantity of down-hole low-voltage feeder switch is many, distribution is wide, test and fill in test data sheet by the professional to the scene, down-hole every day, a large amount of manpowers have been wasted, because workload is too big, omission often occurs, do not examine or fill in the situation of false entry, come hidden danger for the colliery securing band.
Summary of the invention
The purpose of this utility model is will provide a kind of can carry out long-range leak test to down-hole electric substation low-voltage feeder switch, and can generate the long-range leak test device of down-hole low-voltage feeder switch of record automatically.Solve the omission that occurs often in the field management, do not examined, filled in the recessive problem of false entry.
The purpose of this utility model is achieved in that this test unit has control transformer; vacuum circuit breaker; current transformer; auxiliary reclay; the auxiliary reclay normal opened contact; fuse; leak(age) test resistance; the leak(age) test button; earth point; the intelligent comprehensive protector; intelligent comprehensive protector normal opened contact; intelligent comprehensive protector power supply and master system; one end of leak(age) test resistance is connected with the phase line of low tension switch load side; the other end is connected with the auxiliary reclay normal opened contact with the leak(age) test button of parallel connection; the leak(age) test button in parallel and the other end of auxiliary reclay normal opened contact are connected with earth point; auxiliary reclay and intelligent comprehensive protector normal opened contact; secondary being connected in series of fuse and control transformer constitutes the loop; elementary and the power supply of control transformer is connected; the intelligent comprehensive protector is connected with master system; electric power incoming line constitutes current supply circuit by vacuum circuit breaker; the output line of current transformer is connected with the intelligent comprehensive protector, and intelligent comprehensive protector power supply is connected with the intelligent comprehensive protector.
Beneficial effect: owing to adopt such scheme; downside at low tension switch connects leak(age) test resistance; in low-voltage feeder switch, increased an auxiliary reclay; with the leak(age) test button normal opened contact of the normal opened contact of auxiliary reclay and switch and connect; and the protection contact of intelligent comprehensive protector is serially connected in this loop; send long-range leak test order for the intelligent comprehensive protector by the industrial computer of the control center of supervisory system; intelligent comprehensive protector control auxiliary reclay; make the auxiliary reclay adhesive; replace artificial by the leak(age) test button; finish long-range leak test work; the intelligent comprehensive protector can be realized master switch earth leakage protection; the switch-dividing selective earth leakage protection; earth leakage search/lockout; overload; short circuit; one is uneven mutually; the phase failure; under-voltage function; the ability that also has automatic generation test data sheet; can carry out long-range leak test to down-hole electric substation low-voltage feeder switch; and can generate record automatically, reached the purpose of this utility model.Advantage: this test unit is by the Remote function of electric substation's supervisory system, on the industrial computer at station, ground control centre, finish the leak test of down-hole low-voltage feeder switch, and generate test data sheet automatically, a large amount of manpowers have been saved, stopped not examine violation phenomenon with omission, reduced the people and contacted, guaranteed personal safety with the direct of low-voltage feeder switch.
Description of drawings
Fig. 1 is the long-range leak test installation drawing of the utility model.
Embodiment
Embodiment 1: among Fig. 1, and 1, control transformer; 2, auxiliary reclay; 3, intelligent comprehensive protector normal opened contact; 4, fuse; 5, leak(age) test resistance; 6, leak(age) test button; 7, auxiliary reclay normal opened contact; 8, earth point; 9, intelligent comprehensive protector; 10, master system; 11, vacuum circuit breaker; 12, current transformer; 13, intelligent comprehensive protector power supply.
This test unit has control transformer 1; vacuum circuit breaker 11; current transformer 12; auxiliary reclay 2; auxiliary reclay normal opened contact 7; fuse 4; leak(age) test resistance 5; leak(age) test button 6; earth point 8; intelligent comprehensive protector 9; intelligent comprehensive protector normal opened contact 3; intelligent comprehensive protector power supply 13 and master system 10; one end of leak(age) test resistance 4 is connected with the phase line of low tension switch load side; the other end is connected with auxiliary reclay normal opened contact 7 with the leak(age) test button 6 of parallel connection; the leak(age) test button 6 in parallel and the other end of auxiliary reclay normal opened contact 7 are connected with earth point 8; auxiliary reclay 2 and intelligent comprehensive protector normal opened contact 3; secondary being connected in series of fuse 4 and control transformer 1 constitutes the loop; elementary and the power supply of control transformer 1 is connected; intelligent comprehensive protector 9 is connected with master system 10; electric power incoming line constitutes current supply circuit by vacuum circuit breaker 11; the output line of current transformer 12 is connected with intelligent comprehensive protector 9, and intelligent comprehensive protector power supply 13 is connected with intelligent comprehensive protector 9.
The principle of long-range leakage detection apparatus: the intelligent comprehensive protector with the PIR-800 model is an example; by the software of PIR-800 intelligent comprehensive protector is transformed; increased the program of long-range leak test; in low-voltage feeder switch, increased simultaneously an auxiliary reclay; with the leak(age) test button normal opened contact of the normal opened contact of auxiliary reclay and switch and connect; master system by the control center of supervisory system is that industrial computer sends long-range leak test order for the intelligent comprehensive protector; intelligent comprehensive protector control auxiliary reclay; make the auxiliary reclay adhesive; replace the artificial leak(age) test button of pressing, finish long-range leak test work.
During long-range leak test; the intelligent monitoring system ground central station is chosen the switch that will do experiment in ground electric substation; issue the order of long-range leak detection; the medium and small relay BJ3 action of PIR-800 intelligent comprehensive protector; its normal opened contact closure; the auxiliary reclay adhesive that increases in the feeding switch; the normally opened contact closure; short circuit leak(age) test button SL is often made war; make the switch leakage tripping; its leakage tripping signal is uploaded to electric substation's intelligent monitoring system ground central station by PIR-800 intelligent comprehensive protector, and master system is that industrial computer generates test data sheet automatically.
Intelligent comprehensive protector PIR-800 in the low-voltage feeder switch of colliery can with the supporting use of various model feeding switch body of electric pressures such as 380V, 660V, 1140V and 3.3KV under the coal mine and maximum current to 1000A.The intelligent comprehensive protector has adopted advanced microprocessor and Infrared Ray Remote Control Technology, and high-precision data processing and advanced protection algorithm have advantages such as protection precision height, reaction velocity be fast.This intelligent comprehensive protector can be realized master switch earth leakage protection, switch-dividing selective earth leakage protection, earth leakage search/lockout, overload, short circuit, an imbalance, the phase failure, kinds of protect function such as under-voltage mutually.
Claims (1)
1. long-range leak test device of down-hole low-voltage feeder switch; comprise intelligent comprehensive protector and master system; it is characterized in that: this test unit has control transformer; vacuum circuit breaker; current transformer; auxiliary reclay; the auxiliary reclay normal opened contact; fuse; leak(age) test resistance; the leak(age) test button; earth point; the intelligent comprehensive protector; intelligent comprehensive protector normal opened contact; intelligent comprehensive protector power supply and master system; one end of leak(age) test resistance is connected with the phase line of low tension switch load side; the other end is connected with the auxiliary reclay normal opened contact with the leak(age) test button of parallel connection; the leak(age) test button in parallel and the other end of auxiliary reclay normal opened contact are connected with earth point; auxiliary reclay and intelligent comprehensive protector normal opened contact; secondary being connected in series of fuse and control transformer constitutes the loop; elementary and the power supply of control transformer is connected; the intelligent comprehensive protector is connected with master system; electric power incoming line constitutes current supply circuit by vacuum circuit breaker; the output line of current transformer is connected with the intelligent comprehensive protector, and intelligent comprehensive protector power supply is connected with the intelligent comprehensive protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200373854U CN201035125Y (en) | 2007-05-10 | 2007-05-10 | Remote leak test device for down-hole undervoltage feed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200373854U CN201035125Y (en) | 2007-05-10 | 2007-05-10 | Remote leak test device for down-hole undervoltage feed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201035125Y true CN201035125Y (en) | 2008-03-12 |
Family
ID=39196016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200373854U Expired - Fee Related CN201035125Y (en) | 2007-05-10 | 2007-05-10 | Remote leak test device for down-hole undervoltage feed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201035125Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901312A (en) * | 2012-12-26 | 2014-07-02 | 山西全安新技术开发有限公司 | Test method and device for distant-place electricity leakage of coal mine |
-
2007
- 2007-05-10 CN CNU2007200373854U patent/CN201035125Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901312A (en) * | 2012-12-26 | 2014-07-02 | 山西全安新技术开发有限公司 | Test method and device for distant-place electricity leakage of coal mine |
| WO2014101574A1 (en) * | 2012-12-26 | 2014-07-03 | Guo Chunping | Coal mine remote leakage test method and device |
| CN103901312B (en) * | 2012-12-26 | 2016-12-28 | 山西全安新技术开发有限公司 | A kind of colliery distance leakage testing method and apparatus |
| US9575109B2 (en) | 2012-12-26 | 2017-02-21 | Chunping Guo | Method and apparatus for remote coal mine leakage test |
| EA030501B1 (en) * | 2012-12-26 | 2018-08-31 | Чуньпин Го | Coal mine remote leakage test method and device |
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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: 20080312 Termination date: 20100510 |