CN202651775U - Parameter setting device for coal mine power center protective circuit - Google Patents
Parameter setting device for coal mine power center protective circuit Download PDFInfo
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- CN202651775U CN202651775U CN 201220393533 CN201220393533U CN202651775U CN 202651775 U CN202651775 U CN 202651775U CN 201220393533 CN201220393533 CN 201220393533 CN 201220393533 U CN201220393533 U CN 201220393533U CN 202651775 U CN202651775 U CN 202651775U
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Abstract
The utility model provides a parameter setting device for a coal mine power center protective circuit, belongs to the technical field of a coal mine power center protective circuit, and aims at solving the problem of providing the parameter setting device for the coal mine power center circuit with small floor space and convenient parameter setting. The parameter setting device is characterized in that a signal output end of an insulation detection module is connected in series with an isolation module, and connected with a signal input port of an industrial personal computer IPC; a failure signal output contact K1 of the industrial personal computer IPC is connected with a failure signal input end of a high-voltage switch comprehensive protector; the industrial personal computer IPC is connected with a mineral flame-proof and intrinsically safe type LED (light emitting diode) display screen and an intrinsically safe mouse; and a mouse isolator is connected in series in the circuit of the industrial personal computer IPC and the intrinsically safe mouse. The parameter setting device is applicable in the field of various coal mines.
Description
Technical field
Power center (PC), a kind of colliery of the utility model protective circuit parameter setting apparatus belongs to power center (PC), colliery protective circuit technical field.
Background technology
Development along with the mining level, the modernization level of mining is more and more higher, the coal excavation apparatus power demand is increasing, the colliery is underground power supply used to be vertical complicated problem, especially getting working face of a mistake, along with the high-power coal excavation apparatus of high-yield and high-efficiency is increasing, supply power voltage originally can not be fit to, rise to 660V by the earliest 380V, the eighties rises to 1.14KV, and earlier 2000s rises to 3.3KV; Although 380V disappears substantially in large ore deposit, 660V, 1.14KV, 3.3KV, 127V illuminating line coexist under coal mine; Such as: coal-winning machine, drag conveyor power are the 3.3KV power supply mostly, emulsification pump, disintegrating machine, elevating conveyor adopt 1.14KV or 660V power supply, atomizing pump, water pump mostly are the 660V power supplies, from down-hole 6KV/10KV central substation to getting working face, the cable of different electric pressures and the transformer of different voltages and other power supply unit are very many; Original power center (PC), colliery protective circuit just can not satisfy the demand of existing power supply like this; original electric leakage and insulating monitoring circuit can not satisfy the promptly and accurately demand for control of existing equipment; and along with the lifting of power; the amount of information that needs detection and check progressively increases; traditional push button setting parameter mode all can not satisfy the demands in convenience such as space and efficient, and this brings inconvenience for management and safety in production.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: a kind of easily power center (PC), colliery circuit parameter setting device of little, setting parameter that takes up room is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: power center (PC), a kind of colliery protective circuit parameter setting apparatus, link to each other with the colliery high voltage source behind the serial connection high voltage isolator SW1 of the end of incoming cables of flameproof dry type transformer T1, the leading-out terminal of flameproof dry type transformer T1 links to each other with power center (PC), colliery three-phase outlet terminal after being connected in series successively low-voltage combination switch Q101 and vacuum contactor K111;
Above-mentioned high voltage isolator SW1 is connected with the high-voltage switch gear comprehensive protection device, the three-phase end of incoming cables of above-mentioned low-voltage combination switch Q101 successively with reactor L1, L2, the end of L3 links to each other, reactor L1, L2, the other end of L3 and connect after link to each other with an end of resistance R 1, the other end of resistance R 1 links to each other with the signal input port of insulation monitoring module, link to each other with the signal input port of personal industry computer IPC behind the signal output part serial connection isolation module of insulation monitoring module, the fault-signal output contact K1 of personal industry computer IPC links to each other with the fault-signal input of high-voltage switch gear comprehensive protection device;
Described personal industry computer IPC is connected with mine explosion-suppression and intrinsic safety type LED display and intrinsic safety type mouse, is serially connected with the mouse isolator in the circuit of personal industry computer IPC and intrinsic safety type mouse.
Described personal industry computer IPC and mine explosion-suppression and intrinsic safety type LED display are by DC power supply, the ac input end of described DC power supply links to each other with the leading-out terminal of transformer T2, and the end of incoming cables of transformer T2 links to each other with C phase leading-out terminal with the B phase of high voltage isolator SW1.
Be serially connected with respectively current transformer T113, T114, T115 on the three-phase leading-out terminal circuit of described vacuum contactor K111, the signal output part of current transformer T113, T114, T115 links to each other with the signal input port of personal industry computer IPC after being connected in series respectively the first transmitter, the second transmitter, the 3rd transmitter.
The U phase of described low-voltage combination switch Q101 is serially connected with respectively current transformer T111, T112 on the circuit of end of incoming cables mutually with W; the signal output part of current transformer T111, T112 all links to each other with the input port of overcurrent protector, and the fault-signal output of overcurrent protector links to each other with the fault-signal input of high-voltage switch gear comprehensive protection device.
The beneficial effect that the utility model compared with prior art has is: the utility model adopts mine explosion-suppression and intrinsic safety type LED display and intrinsic safety type mouse to set the parameter of personal industry computer IPC, take up space than traditional button control mode and greatly to reduce, easy-to-connect, install fairly simple, and failure rate is low, efficient is high.
Description of drawings
Be further described in detail of the present utility model below in conjunction with accompanying drawing:
Fig. 1 is electrical block diagram of the present utility model;
Among the figure: 1 is that colliery high voltage source, 2 is that power center (PC), colliery three-phase outlet terminal, 3 is that high-voltage switch gear comprehensive protection device, 4 is that insulation monitoring module, 5 is that isolation module, 6 is that personal industry computer IPC, 7 is that overcurrent protector, 8 is that the first transmitter, 9 is that the second transmitter, 10 is that the 3rd transmitter, 11 is that DC power supply, 12 is that mine explosion-suppression and intrinsic safety type LED display, 13 is that intrinsic safety type mouse, 14 is the mouse isolator.
Embodiment
As shown in Figure 1; power center (PC), a kind of colliery of the utility model protective circuit parameter setting apparatus; link to each other with colliery high voltage source 1 behind the serial connection high voltage isolator SW1 of the end of incoming cables of flameproof dry type transformer T1, the leading-out terminal of flameproof dry type transformer T1 links to each other with power center (PC), colliery three-phase outlet terminal 2 after being connected in series successively low-voltage combination switch Q101 and vacuum contactor K111.
Above-mentioned high voltage isolator SW1 is connected with high-voltage switch gear comprehensive protection device 3; the three-phase end of incoming cables of above-mentioned low-voltage combination switch Q101 successively with reactor L1; L2; the end of L3 links to each other; reactor L1; L2; the other end of L3 and connect after link to each other with an end of resistance R 1; the other end of resistance R 1 links to each other with the signal input port of insulation monitoring module 4; link to each other with the signal input port of personal industry computer IPC 6 behind the signal output part serial connection isolation module 5 of insulation monitoring module 4, the fault-signal output contact K1 of personal industry computer IPC 6 links to each other with the fault-signal input of high-voltage switch gear comprehensive protection device 3.
Described personal industry computer IPC 6 is connected with mine explosion-suppression and intrinsic safety type LED display 12 and intrinsic safety type mouse 13, be serially connected with mouse isolator 14 in the circuit of personal industry computer IPC6 and intrinsic safety type mouse 13, described personal industry computer IPC 6 and mine explosion-suppression and intrinsic safety type LED display 12 are by DC power supply 11 power supplies, the ac input end of described DC power supply 11 links to each other with the leading-out terminal of transformer T2, and the end of incoming cables of transformer T2 links to each other with C phase leading-out terminal with the B phase of high voltage isolator SW1.
Be serially connected with respectively current transformer T113 on the three-phase leading-out terminal circuit of described vacuum contactor K111; T114; T115; current transformer T113; T114; the signal output part of T115 is connected in series respectively the first transmitter 8; the second transmitter 9; link to each other with the signal input port of personal industry computer IPC 6 behind the 3rd transmitter 10; above-mentioned current transformer T113; T114; T115 is respectively by the first transmitter 8; the second transmitter 9; the 3rd transmitter 10 is sent to personal industry computer IPC6 with current signal; personal industry computer IPC6 compares real work electric current and setting electric current; if actual current is greater than (1.05 of set point; 1.5; 3; 6; 8) doubly; press amplitude discrimination formula protection philosophy; fault-signal is delivered to high-voltage switch gear comprehensive protection device 3; high-voltage switch gear comprehensive protection device 3 disconnects high voltage isolator SW1, cutoff high power supply.
The U phase of described low-voltage combination switch Q101 is serially connected with respectively current transformer T111 on the circuit of end of incoming cables mutually with W; T112; current transformer T111; the signal output part of T112 all links to each other with the input port of overcurrent protector 7; the fault-signal output of overcurrent protector 7 links to each other with the fault-signal input of high-voltage switch gear comprehensive protection device 3; the utility model can quick and precisely detect stream information; above-mentioned current transformer T111; T112 is sent to overcurrent protector 7 with current signal; overcurrent protector 7 compares real work electric current and setting electric current; if actual current is greater than (1.05 of set point; 1.5; 3; 6; 8) doubly; press amplitude discrimination formula protection philosophy; fault-signal is delivered to high-voltage switch gear comprehensive protection device 3; high-voltage switch gear comprehensive protection device 3 disconnects high voltage isolator SW1, cutoff high power supply.
The utility model adopts mine explosion-suppression and intrinsic safety type LED display 12 and intrinsic safety mouse 13 to set the parameter of personal industry computer IPC6, take up space than traditional button control mode and greatly to reduce, easy-to-connect is installed fairly simple, and failure rate is low, efficient is high.
Claims (4)
1. power center (PC), colliery protective circuit parameter setting apparatus, link to each other with colliery high voltage source (1) behind the serial connection high voltage isolator SW1 of the end of incoming cables of flameproof dry type transformer T1, the leading-out terminal of flameproof dry type transformer T1 links to each other with power center (PC), colliery three-phase outlet terminal (2) after being connected in series successively low-voltage combination switch Q101 and vacuum contactor K111;
Above-mentioned high voltage isolator SW1 is connected with high-voltage switch gear comprehensive protection device (3), the three-phase end of incoming cables of above-mentioned low-voltage combination switch Q101 successively with reactor L1, L2, the end of L3 links to each other, reactor L1, L2, the other end of L3 and connect after link to each other with an end of resistance R 1, the other end of resistance R 1 links to each other with the signal input port of insulation monitoring module (4), behind the signal output part of insulation monitoring module (4) the serial connection isolation module (5) with personal industry computer IPC(6) signal input port link to each other personal industry computer IPC(6) fault-signal output contact K1 link to each other with the fault-signal input of high-voltage switch gear comprehensive protection device (3);
It is characterized in that: described personal industry computer IPC(6) be connected with mine explosion-suppression and intrinsic safety type LED display (12) and intrinsic safety type mouse (13), personal industry computer IPC(6) with the circuit of intrinsic safety type mouse (13) in be serially connected with mouse isolator (14).
2. power center (PC), a kind of colliery according to claim 1 protective circuit parameter setting apparatus; it is characterized in that: described personal industry computer IPC(6) and mine explosion-suppression and intrinsic safety type LED display (12) power by DC power supply (11); the ac input end of described DC power supply (11) links to each other with the leading-out terminal of transformer T2, and the end of incoming cables of transformer T2 links to each other with C phase leading-out terminal with the B phase of high voltage isolator SW1.
3. power center (PC), a kind of colliery according to claim 1 and 2 protective circuit parameter setting apparatus; it is characterized in that: be serially connected with respectively current transformer T113, T114, T115 on the three-phase leading-out terminal circuit of described vacuum contactor K111, the signal output part of current transformer T113, T114, T115 is connected in series respectively behind the first transmitter (8), the second transmitter (9), the 3rd transmitter (10) and personal industry computer IPC(6) signal input port link to each other.
4. power center (PC), a kind of colliery according to claim 3 protective circuit parameter setting apparatus; it is characterized in that: the U phase of described low-voltage combination switch Q101 is serially connected with respectively current transformer T111, T112 on the circuit of end of incoming cables mutually with W; the signal output part of current transformer T111, T112 all links to each other with the input port of overcurrent protector (7), and the fault-signal output of overcurrent protector (7) links to each other with the fault-signal input of high-voltage switch gear comprehensive protection device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393533 CN202651775U (en) | 2012-08-10 | 2012-08-10 | Parameter setting device for coal mine power center protective circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393533 CN202651775U (en) | 2012-08-10 | 2012-08-10 | Parameter setting device for coal mine power center protective circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202651775U true CN202651775U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393533 Expired - Lifetime CN202651775U (en) | 2012-08-10 | 2012-08-10 | Parameter setting device for coal mine power center protective circuit |
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| Country | Link |
|---|---|
| CN (1) | CN202651775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236742A (en) * | 2013-04-27 | 2013-08-07 | 山西际安电气有限公司 | Coal mine low-voltage permanent magnet multi-loop vacuum combined feed switching circuit |
| CN103731960A (en) * | 2013-12-31 | 2014-04-16 | 淮南万泰电子股份有限公司 | Lighting equipment adopting remote intrinsic safety control technology |
-
2012
- 2012-08-10 CN CN 201220393533 patent/CN202651775U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236742A (en) * | 2013-04-27 | 2013-08-07 | 山西际安电气有限公司 | Coal mine low-voltage permanent magnet multi-loop vacuum combined feed switching circuit |
| CN103731960A (en) * | 2013-12-31 | 2014-04-16 | 淮南万泰电子股份有限公司 | Lighting equipment adopting remote intrinsic safety control technology |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |