CN203521938U - Mine flameproof and intrinsically safe permanent-magnet high-voltage vacuum distribution apparatus - Google Patents
Mine flameproof and intrinsically safe permanent-magnet high-voltage vacuum distribution apparatus Download PDFInfo
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- CN203521938U CN203521938U CN201320632749.9U CN201320632749U CN203521938U CN 203521938 U CN203521938 U CN 203521938U CN 201320632749 U CN201320632749 U CN 201320632749U CN 203521938 U CN203521938 U CN 203521938U
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- 238000009826 distribution Methods 0.000 title claims abstract description 32
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 230000005389 magnetism Effects 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003245 coal Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- RUZYUOTYCVRMRZ-UHFFFAOYSA-N doxazosin Chemical compound C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 RUZYUOTYCVRMRZ-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
Disclosed in the utility model is a mine flameproof and intrinsically safe permanent-magnet high-voltage vacuum distribution apparatus comprising a flameproof housing. A wiring chamber and a distribution chamber are arranged inside the flameproof housing; and a vacuum circuit breaker is arranged in the distribution chamber. A door cover is arranged at the flameproof housing; a plurality of mechanical buttons are arranged at the door cover by button seats; and the outer ends of the mechanical buttons are arranged outside the door cover and the inner ends extend into the distribution chamber. A plurality of flameproof electrical control buttons for connection and disconnection of a power supply of a circuit that needs to be controlled are arranged in the distribution chamber, wherein the plurality of flameproof electrical control buttons respectively correspond to the plurality of mechanical buttons. Push rods are arranged at one ends, approaching the mechanical buttons, of the flameproof electrical control buttons, wherein the push rods and the mechanical buttons are located at the same axises; and in the static state, the gaps between the outer ends of the push rods and the inner ends of the mechanical buttons are less than the maximum stroke of the mechanical button movement. Compared with the prior art, the provided apparatus has the following advantages: the potential safety hazard is eliminated; the security reliability is high; and the operation is simple and convenient.
Description
Technical field
The utility model relates to colliery down-hole high pressure and presses electric power system power distribution equipment, in particular a kind of mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment.
Background technology
Existing mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipment; be mainly used in having under the coal mine of explosion risk gas; rated voltage 10kV, rated frequency 50HZ, rated current to the not directly grounded electric power system of three-phase alternating current neutral point of 800A are controlled, protected and measure, and can be used as the use of across-the-line starting high-tension motor.There is electric leakage, overload, short circuit, overvoltage, insulation monitoring, under-voltage, the defencive function such as imbalance, lock between air and electricity mutually.When overload, short circuit, electric leakage, overvoltage, insulation appear in circuit, reduce, under-voltage, mutually during uneven, gas exceeding limit, the action setting value that mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipment can be set according to user, selectively automatic shutdown circuit.Mining explosion-proof type permanent magnetic high-voltage vacuum distribution equipment door closure top is provided with a square observation window, can observe operating voltage, operating current, power factor, various protection setting value from Chinese liquid crystal display.A plurality of control buttons are housed on door closure, by upper and lower, left and right, reset, carriage return button, can check various operating states and parameter, by operation electric switch-on, separating brake, overcurrent test, leak(age) test and insulation monitoring button, can arrange and splitting or integrating lock, test operation power distribution equipment.The control of distribution line power transmission, power-off can be completed by the control button on operated products door closure, also can the control operation of circuit power transmission, power-off be completed in control room by drawing control output cable far away.
The explosion-proof form of mine explosion-suppression permanent magnetism high-voltage vacuum distribution equipment adopts " Flameproof intrinsically safe ", i.e. vacuum distribution equipment integral installation, in Flameproof shell inside cavity, realizes explosive-proof protector by Flameproof shell.Employing meets the current/voltage value of essential safe type as the control output signal far away of mine anti-explosion permanent magnetism high-voltage vacuum distribution equipment.This installs inner high-pressure vacuum breaker can move to by driving mechanism " isolation " or " connection " position in Flameproof shell inside, for isolating and switching on power and load.
All control buttons of the mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment using at present all adopt installs mechanical button on door closure, the composition surface of mechanical button and push-button socket lining is flameproof joint, common electrical control button has been installed in flame proof cavity for switching on and off the power supply of this button institute control circuit, press the mechanical button on flame proof cavity, the push rod that is promoted common electrical control button by the end of mechanical button moves about 6mm, the contacting of common electrical control button inside, complete the on or off operation of this button institute control circuit.The inner contact of common electrical control button can produce spark when the operation of connection, open circuit, thereby causes lighting the danger that under coal mine, methane gas is blasted.So explosion separation structure has all been taked on the mechanical button that mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment is installed on door closure and cavity composition surface, door closure and the composition surface of push-button socket lining, but when under coal mine, door closure is opened, if fail reliable power-off because various fortuitous events cause control circuit, if at this moment press the mechanical button on door closure, promote the charged action of common electrical control button inner contact, will produce spark, may cause lighting the danger that under coal mine, methane gas is blasted, have great potential safety hazard.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, thereby provide a kind of inner contact that can avoid common electrical control button to produce spark connecting, during the operation of open circuit, causes danger, the security reliability mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment high and simple to operation that under coal-fired mine, methane gas is blasted.
The utility model is achieved through the following technical solutions:
Mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment, comprise flameproof enclosure, in described flameproof enclosure, be provided with interstar connection room and switchgear house, described interstar connection room and switchgear house separate by dividing plate, in described switchgear house, be provided with vacuum circuit-breaker, described flameproof enclosure is provided with door closure, described door closure is provided with display screen and a plurality of mechanical button, described mechanical button is arranged on door closure by push-button socket, described mechanical button outer end is positioned at outside door closure, the inner is stretched in switchgear house, in described switchgear house, be provided with a plurality of for switching on and off the flameproof electrical control button of required control circuit power supply, described a plurality of flameproof electrical control button is corresponding with a plurality of mechanical buttons respectively, on described flameproof electrical control button, in the one end that gets close to mechanical button, be provided with a push rod, described push rod and mechanical button are positioned on same axis, and when static, the spacing of push rod outer end and mechanical button the inner is less than the range that mechanical button moves, described push rod the inner is stretched in flameproof electrical control button, when pressing mechanical button, mechanical button is inner contacts and promotes push rod with push rod outer end, thereby push rod moves the power supply that makes the closing of contact of flameproof electrical control button inside connect this flameproof electrical control button institute control circuit.
Further optimization as technique scheme, described push-button socket is provided with the stepped hole of lateral direction penetrating, the outer imperial palace of diameter of described stepped hole is little, described mechanical button is divided into two sections of outer section and inner segments, outer section of diameter of mechanical button is greater than inner segment and forms a button step, described mechanical button is horizontally through the stepped hole of push-button socket, on described mechanical button, cover has a spring, described spring is between the button step of mechanical button and the step of push-button socket stepped hole, the inner segment of described push-button socket stepped hole is provided with push-button socket lining, described mechanical button is through in push-button socket lining, the composition surface of mechanical button and push-button socket lining is flameproof joint, the end of described mechanical button inner segment is provided with the button spindle stretching out, push rod outer end on described button spindle and flameproof electrical control button arranges in opposite directions.
When static, the spacing of the button spindle the inner on described push rod outer end and mechanical button is 3mm, and the range that described mechanical button moves is 10mm.
As the further optimization of technique scheme, on described door closure, there are 14 mechanical buttons.
Described vacuum circuit-breaker is handcart type vacuum circuit breaker.
The utility model has the following advantages compared to existing technology:
The disclosed mine flameproof and intrinsic safety type permanent magnetism of the utility model high-voltage vacuum distribution equipment, change the common electrical control button of controlling for various functions in original mine flameproof and intrinsic safety type high voltage distribution installation into flameproof electrical control button, avoided the inner contact of common electrical control button connecting, during the operation of open circuit, can produce spark and cause the danger that under coal-fired mine, methane gas is blasted, realized and prevented under spark ignition coal mine the methane gas dangerous duplex safety measures of blasting, eliminated potential safety hazard, security reliability is high, thereby guaranteed that mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment is used and has greater security under coal mine, and simple to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is mechanical button and flameproof electrical control button syndeton enlarged drawing in Fig. 1.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented take technical solutions of the utility model under prerequisite; provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
Referring to Fig. 1, Fig. 2, mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment, comprise flameproof enclosure 1, in flameproof enclosure 1, be provided with interstar connection room 2 and switchgear house 3, interstar connection room 2 separates by dividing plate 4 with switchgear house 3, in switchgear house 3, be provided with vacuum circuit-breaker 31, vacuum circuit-breaker 31 is preferably handcart type vacuum circuit breaker, flameproof enclosure 1 is provided with door closure 5, door closure 5 is provided with display screen and a plurality of mechanical button 6, present embodiment is preferably door closure 5 and is provided with 14 mechanical buttons 6, mechanical button 6 is arranged on door closure 5 by push-button socket 61, mechanical button 6 outer ends are positioned at outside door closure 5, the inner is stretched in switchgear house 3, in switchgear house 3, be provided with a plurality of for switching on and off the flameproof electrical control button 7 of required control circuit power supply, a plurality of flameproof electrical control buttons 7 are corresponding with a plurality of mechanical buttons 6 respectively, on flameproof electrical control button 7, in the one end that gets close to mechanical button 6, be provided with a push rod 71, push rod 71 is positioned on same axis with mechanical button 6, and when static, the spacing of push rod 71 outer ends and mechanical button 6 the inners is less than the range that mechanical button 6 moves, push rod 71 the inners are stretched in flameproof electrical control button 7, when pressing mechanical button 6, mechanical button 6 is inner contacts and promotes push rod 71 with push rod 71 outer ends, thereby push rod 71 moves the power supply that makes the closing of contact of flameproof electrical control button 7 inside connect 7 control circuits of this flameproof electrical control button.
Above-mentioned push-button socket 61 is provided with the stepped hole 62 of lateral direction penetrating, the outer imperial palace of diameter of stepped hole 62 is little, mechanical button 6 is divided into two sections of outer section and inner segments, outer section of diameter of mechanical button 6 is greater than inner segment and forms a button step 63, mechanical button 6 is horizontally through the stepped hole 62 of push-button socket 61, on mechanical button 6, cover has a spring 64, spring 64 is between the button step 63 of mechanical button 6 and the step of the stepped hole 62 of push-button socket 61, the inner segment of the stepped hole 62 of push-button socket 61 is provided with push-button socket lining 65, mechanical button 6 is through in push-button socket lining 65, mechanical button 6 is flameproof joint with the composition surface of push-button socket lining 65, the end of mechanical button 6 inner segments is provided with the button spindle 66 stretching out, button spindle 66 arranges in opposite directions with push rod 71 outer ends on flameproof electrical control button 7.Present embodiment is preferred: the spacing of button spindle 66 the inners on push rod 71 outer ends and mechanical button 6 is 3mm, and the range that mechanical button 6 moves is 10mm.When the mechanical button 6 of pressing, the push rod 71 that is promoted flameproof electrical control buttons 7 by the button spindle 66 of mechanical button 6 the inners moves about 6mm, contacting or the disconnection of flameproof electrical control button 7 inside, complete the on or off operation of the power supply of 7 control circuits of this flameproof electrical control button, simple to operation.
When the door closure 5 of mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment is opened under coal mine, if fail reliable power-off because various fortuitous events cause control circuit, even if supress the mechanical button 6 on door closure 5, promote the charged action of flameproof electrical control button 7 inner contact, because the explosion-proof type of this flameproof electrical control button 7 is " d ", it is flame-proof type, so no-spark leaks outside while switching on and off power operation, while having avoided the common electrical control button of original employing, inner contact is being connected, during the operation of open circuit, can produce spark and cause the danger that under coal-fired mine, methane gas is blasted, having realized control button when operation prevents under spark ignition coal mine the methane gas dangerous duplex safety measures of blasting.Thereby reach, guarantee that mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment is used the object with greater security under coal mine.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment, comprise flameproof enclosure, in described flameproof enclosure, be provided with interstar connection room and switchgear house, described interstar connection room and switchgear house separate by dividing plate, in described switchgear house, be provided with vacuum circuit-breaker, described flameproof enclosure is provided with door closure, described door closure is provided with display screen and a plurality of mechanical button, it is characterized in that: described mechanical button is arranged on door closure by push-button socket, described mechanical button outer end is positioned at outside door closure, the inner is stretched in switchgear house, in described switchgear house, be provided with a plurality of for switching on and off the flameproof electrical control button of required control circuit power supply, described a plurality of flameproof electrical control button is corresponding with a plurality of mechanical buttons respectively, on described flameproof electrical control button, in the one end that gets close to mechanical button, be provided with a push rod, described push rod and mechanical button are positioned on same axis, and when static, the spacing of push rod outer end and mechanical button the inner is less than the range that mechanical button moves, described push rod the inner is stretched in flameproof electrical control button, when pressing mechanical button, mechanical button is inner contacts and promotes push rod with push rod outer end, thereby push rod moves the power supply that makes the closing of contact of flameproof electrical control button inside connect this flameproof electrical control button institute control circuit.
2. mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment as claimed in claim 1, it is characterized in that: described push-button socket is provided with the stepped hole of lateral direction penetrating, the outer imperial palace of diameter of described stepped hole is little, described mechanical button is divided into two sections of outer section and inner segments, outer section of diameter of mechanical button is greater than inner segment and forms a button step, described mechanical button is horizontally through the stepped hole of push-button socket, on described mechanical button, cover has a spring, described spring is between the button step of mechanical button and the step of push-button socket stepped hole, the inner segment of described push-button socket stepped hole is provided with push-button socket lining, described mechanical button is through in push-button socket lining, the composition surface of mechanical button and push-button socket lining is flameproof joint, the end of described mechanical button inner segment is provided with the button spindle stretching out, push rod outer end on described button spindle and flameproof electrical control button arranges in opposite directions.
3. mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment as claimed in claim 2, it is characterized in that: when static, the spacing of the button spindle the inner on described push rod outer end and mechanical button is 3mm, and the range that described mechanical button moves is 10mm.
4. the mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment as described in as arbitrary in claims 1 to 3, is characterized in that: on described door closure, have 14 mechanical buttons.
5. the mine flameproof and intrinsic safety type permanent magnetism high-voltage vacuum distribution equipment as described in as arbitrary in claims 1 to 3, is characterized in that: described vacuum circuit-breaker is handcart type vacuum circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632749.9U CN203521938U (en) | 2013-10-14 | 2013-10-14 | Mine flameproof and intrinsically safe permanent-magnet high-voltage vacuum distribution apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632749.9U CN203521938U (en) | 2013-10-14 | 2013-10-14 | Mine flameproof and intrinsically safe permanent-magnet high-voltage vacuum distribution apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203521938U true CN203521938U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320632749.9U Expired - Fee Related CN203521938U (en) | 2013-10-14 | 2013-10-14 | Mine flameproof and intrinsically safe permanent-magnet high-voltage vacuum distribution apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN203521938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966424A (en) * | 2023-01-01 | 2023-04-14 | 常州市武进矿用设备厂有限公司 | Underground power signal transmission station and coal mine power supply monitoring system |
-
2013
- 2013-10-14 CN CN201320632749.9U patent/CN203521938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966424A (en) * | 2023-01-01 | 2023-04-14 | 常州市武进矿用设备厂有限公司 | Underground power signal transmission station and coal mine power supply monitoring system |
| CN115966424B (en) * | 2023-01-01 | 2023-09-15 | 常州市武进矿用设备厂有限公司 | Underground power signal transmission station and coal mine power supply monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |