CN203983815U - New type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment - Google Patents
New type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment Download PDFInfo
- Publication number
- CN203983815U CN203983815U CN201420375901.4U CN201420375901U CN203983815U CN 203983815 U CN203983815 U CN 203983815U CN 201420375901 U CN201420375901 U CN 201420375901U CN 203983815 U CN203983815 U CN 203983815U
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- Prior art keywords
- static contact
- contact seat
- inlet wire
- phase
- current transformer
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- 238000005065 mining Methods 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 63
- 238000004804 winding Methods 0.000 claims abstract description 27
- 239000003822 epoxy resin Substances 0.000 claims abstract description 17
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 12
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000005538 encapsulation Methods 0.000 claims abstract description 6
- 239000003245 coal Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment, comprise flameproof enclosure, in flameproof enclosure, by a vertical clapboard, be divided into main chamber and wire connection cavity, in main chamber, be provided with vacuum circuit-breaker, vacuum circuit-breaker comprises two moving contacts of every phase that stretch out, two moving contacts of every phase comprise an inlet wire moving contact, an outlet moving contact, two static contact seats of every phase that fasten with two moving contacts of every phase are installed on vertical clapboard respectively, two static contact seats of every phase comprise an inlet wire static contact seat, an outlet static contact seat, the outer sheathed current transformer winding that is provided with of conductor of inlet wire static contact seat, inlet wire static contact seat summation current transformer winding is provided with the second epoxy resins insulation cover outward, the second epoxy resins insulation cover connects the integrated inlet wire static contact seat of as a whole formation by inlet wire static contact seat summation current transformer winding encapsulation.The utility model advantage: security reliability is high, compact conformation, volume are little, lightweight, flexible and convenient operation.
Description
Technical field
The utility model relates to a kind of high-voltage vacuum power distribution equipment for mining, in particular a kind of new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment.
Background technology
Existing flame-proof mine intrinsic safety type 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.
The mine flameproof and intrinsic safety type high-voltage vacuum distribution equipment using at present, its inner high-pressure vacuum breaker is to adopt line moving contact by moving to " isolation " or " connection " position in Flameproof shell inside while realizing with the "off" of outside line or " connection ", line static contact seat completes, wherein inlet wire moving contact is cannon plug, on the plug of inlet wire moving contact, be fixed with for overload protection, short-circuit protection, phase unbalance protection, the current transformer of the functions such as rated current demonstration, the output current of the secondary lead-out wire of this current transformer provides signal for high-voltage vacuum distribution equipment carries out current protecting function.By operation driving mechanism, high-pressure vacuum breaker is advanced or is shifted out that the moving contact that can make to be fixed on circuit breaker rear portion is connected with static contact seat or separated, " connection " or the "off" of realization and outside line.The weak point of this version is that the secondary line that current transformer is drawn also will advance or shift out and explosion-proof casing inner chamber dependency structure part generation relative motion with high-pressure vacuum breaker, thereby being scratched, the secondary line that may cause current transformer causes damage in insulation, once there is damage in insulation, Current Transformer Secondary line with high voltage be likely applied to should be not charged flame proof metal shell on, all be there are to major safety risks in personal safety and device security.Only have at present the method that reaches increase Current Transformer Secondary lead-out wire and inner structural members distance by increasing flameproof enclosure cavity size to solve, but it exist volume large, wasting space, weight is large, and cost is high, and the defects such as inconvenience are used in operation.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of security reliability is high, compact conformation, volume are little, lightweight, the new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment of flexible and convenient operation.
The utility model is achieved through the following technical solutions:
New type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment, comprise flameproof enclosure, described flameproof enclosure comprises door closure, described door closure is provided with control unit, in described flameproof enclosure, by a vertical clapboard, be divided into main chamber and wire connection cavity, in described main chamber, be provided with machine core trolley, described machine core trolley is provided with vacuum circuit-breaker, described vacuum circuit-breaker comprises two moving contacts of every phase that stretch out, two moving contacts of every phase comprise an inlet wire moving contact, an outlet moving contact, two static contact seats of every phase that fasten with two moving contacts of described every phase are installed on described vertical clapboard respectively, described static contact seat is arranged on the installing hole of described vertical clapboard, described static contact seat comprises spring contact and conductor, two static contact seats of described every phase comprise an inlet wire static contact seat, an outlet static contact seat, the spring contact of described outlet static contact seat and conductor are outside equipped with first ring epoxy resins insulating case, the outer sheathed current transformer winding that is provided with of conductor of described inlet wire static contact seat, described inlet wire static contact seat summation current transformer winding is provided with the second epoxy resins insulation cover outward, described the second epoxy resins insulation cover connects the integrated inlet wire static contact seat of as a whole formation by described inlet wire static contact seat summation current transformer winding encapsulation, the secondary line of described current transformer winding is drawn from described integrated inlet wire static contact seat, moving contact by described vacuum circuit-breaker advances or shifts out to the spring contact of described static contact seat, realization is switched on or switched off with outside line.
As the preferred implementation of above-mentioned new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment, described vacuum circuit-breaker is handcart type vacuum circuit breaker.
As the preferred implementation of above-mentioned new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment, the top of described door closure is provided with square observation window, and the bottom of described door closure is provided with a plurality of control buttons.
As the preferred implementation of above-mentioned new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment, the installing hole of described vertical clapboard and the composition surface of described static contact seat are flameproof joint.
The utility model has the following advantages compared to existing technology:
The new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment that the utility model provides, the current transformer winding of high-voltage vacuum distribution equipment is arranged on outside the conductor of inlet wire static contact seat, and the epoxy resin that adopts high insulating property by inlet wire static contact seat the parts summation current transformer windings such as spring contact, conductor pour into the integrated inlet wire static contact seat that as a whole formation has current transformer winding, integrated inlet wire static contact seat is fixed in flameproof enclosure on the vertical clapboard between main chamber and wire connection cavity.Because the installation of current transformer winding has moved on on fixed part from moving component, therefore its when high-pressure vacuum breaker advances or shifts out and flameproof enclosure inner chamber dependency structure part without relative motion, thereby avoided insulating barrier outside the secondary lead-out wire of current transformer winding to be scratched breakage because of aforesaid relative motion, eliminated electric leakage hidden danger, thereby reach, guarantee that mine flameproof and intrinsic safety type high-voltage vacuum distribution equipment is used the object with greater security under coal mine, security reliability is high, and adopts epoxy resin encapsulation good insulation preformance.In addition, it directly becomes as a whole with inlet wire static contact seat by poured with epoxy resin by current transformer winding, does not take other spaces, can not cause flameproof enclosure to increase, and volume is little, and compact conformation is lightweight, and cost is low, flexible and convenient operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram of moving contact and static contact seat 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, the new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment that the present embodiment provides, comprise flameproof enclosure 1, flameproof enclosure 1 comprises door closure 5, door closure 5 is provided with control unit, the top of door closure 5 is provided with square observation window, and the bottom of door closure 5 is provided with a plurality of control buttons 51.In flameproof enclosure 1, by a vertical clapboard 2, be divided into main chamber 11 and wire connection cavity 12, in main chamber 11, be provided with machine core trolley 4, machine core trolley 4 is provided with vacuum circuit-breaker 3, and vacuum circuit-breaker 3 is handcart type vacuum circuit breaker 3.Vacuum circuit-breaker 3 comprises two moving contacts of every phase that stretch out, two moving contacts of every phase comprise an inlet wire moving contact 31, an outlet moving contact 32, two static contact seats of every phase that fasten with two moving contacts of every phase are installed on vertical clapboard 2 respectively, static contact seat is arranged on the installing hole of vertical clapboard 2, and the installing hole of vertical clapboard 2 and the composition surface of static contact seat are flameproof joint.Static contact seat comprises spring contact and conductor, two static contact seats of every phase comprise an inlet wire static contact seat 7, an outlet static contact seat 6, the outlet spring contact 63 of outlet static contact seat 6 and outlet conductor 62 are outside equipped with first ring epoxy resins insulating case 61, the outer sheathed current transformer winding 8 that is provided with of inlet wire conductor 72 of inlet wire static contact seat 7, the outer second epoxy resins insulation cover 71 that is provided with of inlet wire static contact seat 7 summation current transformer windings 8, the second epoxy resins insulation cover 71 connects the integrated inlet wire static contact seat of as a whole formation by inlet wire static contact seat 7 summation current transformer winding 8 encapsulations, the secondary line of current transformer winding 8 is drawn from integrated inlet wire static contact seat, moving contact by vacuum circuit-breaker 3 advances or shifts out to the spring contact of static contact seat, realization is switched on or switched off with outside line.
The new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment that the present embodiment provides, the current transformer winding of high-voltage vacuum distribution equipment is arranged on outside the inlet wire conductor 72 of inlet wire static contact seat 7, and the epoxy resin that adopts high insulating property by inlet wire static contact seat 7 the parts summation current transformer winding 8 such as inlet wire spring contact 73, inlet wire conductor 72 pour into the integrated inlet wire static contact seat that as a whole formation has current transformer winding 8, integrated inlet wire static contact seat is fixed on the vertical clapboard 2 between the interior main chamber 11 of flameproof enclosure 1 and wire connection cavity 12.Because the installation of current transformer winding 8 has moved on on fixed part from moving component, therefore its when high-pressure vacuum breaker 3 advances or shifts out and flameproof enclosure 1 inner chamber dependency structure part without relative motion, thereby avoided insulating barrier outside the secondary lead-out wire of current transformer winding 8 to be scratched breakage because of aforesaid relative motion, eliminated electric leakage hidden danger, thereby reach, guarantee that mine flameproof and intrinsic safety type high-voltage vacuum distribution equipment is used the object with greater security under coal mine, security reliability is high, and adopts epoxy resin encapsulation good insulation preformance.In addition, it directly becomes as a whole with inlet wire static contact seat 7 by poured with epoxy resin by current transformer winding 8, does not take other spaces, can not cause flameproof enclosure 1 to increase, and volume is little, and compact conformation is lightweight, flexible and convenient operation.
These are 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 (4)
1. new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment, comprise flameproof enclosure, described flameproof enclosure comprises door closure, described door closure is provided with control unit, it is characterized in that: in described flameproof enclosure, by a vertical clapboard, be divided into main chamber and wire connection cavity, in described main chamber, be provided with machine core trolley, described machine core trolley is provided with vacuum circuit-breaker, described vacuum circuit-breaker comprises two moving contacts of every phase that stretch out, two moving contacts of every phase comprise an inlet wire moving contact, an outlet moving contact, two static contact seats of every phase that fasten with two moving contacts of described every phase are installed on described vertical clapboard respectively, described static contact seat is arranged on the installing hole of described vertical clapboard, described static contact seat comprises spring contact and conductor, two static contact seats of described every phase comprise an inlet wire static contact seat, an outlet static contact seat, the spring contact of described outlet static contact seat and conductor are outside equipped with first ring epoxy resins insulating case, the outer sheathed current transformer winding that is provided with of conductor of described inlet wire static contact seat, described inlet wire static contact seat summation current transformer winding is provided with the second epoxy resins insulation cover outward, described the second epoxy resins insulation cover connects the integrated inlet wire static contact seat of as a whole formation by described inlet wire static contact seat summation current transformer winding encapsulation, the secondary line of described current transformer winding is drawn from described integrated inlet wire static contact seat, moving contact by described vacuum circuit-breaker advances or shifts out to the spring contact of described static contact seat, realization is switched on or switched off with outside line.
2. new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment as claimed in claim 1, is characterized in that: described vacuum circuit-breaker is handcart type vacuum circuit breaker.
3. new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment as claimed in claim 1, is characterized in that: the top of described door closure is provided with square observation window, and the bottom of described door closure is provided with a plurality of control buttons.
4. the new type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment as described in as arbitrary in claims 1 to 3, is characterized in that: the installing hole of described vertical clapboard and the composition surface of described static contact seat are flameproof joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375901.4U CN203983815U (en) | 2014-07-08 | 2014-07-08 | New type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375901.4U CN203983815U (en) | 2014-07-08 | 2014-07-08 | New type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983815U true CN203983815U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420375901.4U Expired - Fee Related CN203983815U (en) | 2014-07-08 | 2014-07-08 | New type mining Flameproof intrinsically safe high-voltage vacuum distribution equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN203983815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609336A (en) * | 2016-03-15 | 2016-05-25 | 兖州煤业股份有限公司 | High-voltage switch and high-voltage switch remote control system |
-
2014
- 2014-07-08 CN CN201420375901.4U patent/CN203983815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609336A (en) * | 2016-03-15 | 2016-05-25 | 兖州煤业股份有限公司 | High-voltage switch and high-voltage switch remote control system |
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Legal Events
| 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: 20141203 |