CN203134670U - Three-phase common-box vacuum circuit breaker and main loop structure thereof - Google Patents
Three-phase common-box vacuum circuit breaker and main loop structure thereof Download PDFInfo
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- CN203134670U CN203134670U CN 201320038145 CN201320038145U CN203134670U CN 203134670 U CN203134670 U CN 203134670U CN 201320038145 CN201320038145 CN 201320038145 CN 201320038145 U CN201320038145 U CN 201320038145U CN 203134670 U CN203134670 U CN 203134670U
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- 241000208199 Buxus sempervirens Species 0.000 title abstract 3
- 230000003068 static effect Effects 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract 9
- 238000009413 insulation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Abstract
The utility model relates to a three-phase common-box vacuum circuit breaker and a main loop structure thereof. The main loop structure comprises an explosion chamber, and an explosion chamber static conducting rod and an explosion chamber moving conducting rod which are arranged on the explosion chamber back and forth, and a static end electrode and a moving end electrode which are arranged at two ends of the explosion chamber, wherein the static end electrode comprises a static end conducting rod in coaxially electrical connection with the explosion chamber static conducting rod, the moving end electrode comprises a moving end conducting rod in coaxially electrical connection with the explosion chamber moving conducting rod, a front end face of the moving end conducting rod is provided with a conducting hole of which an axial direction extends backwards and forwards, a back end of the explosion chamber moving conducting rod is inserted into the conducting hole, and an outer peripheral wall of the explosion chamber moving conducting rod is in electrical connection with a hole wall of the conducting hole. The main loop structure for the three-phase common-box vacuum circuit breaker has advantages of simple structure and uniformly electric field distribution.
Description
Technical field
The utility model relates to field of circuit breakers, relates in particular to a kind of three-phase combined type vacuum circuit-breaker and major loop structure thereof.
Background technology
Major loop structure such as the Chinese patent CN 201478195U disclosed " major loop structure of 24KV circuit breaker " of existing three-phase combined type vacuum circuit-breaker, comprise arc control device, fixedly there is upper bracket the upper end of arc control device, be powered with the outlet seat on the upper bracket, be provided with the arc control device static conductive rod that is electrically connected with last outlet seat in the arc control device.The lower end of arc control device is provided with the arc control device moving conductive rod with the coaxial setting of arc control device static conductive rod, be connected with by conductive clip on the arc control device moving conductive rod and be flexible coupling, the other end that is flexible coupling is powered with down the outlet seat, the arc control device moving conductive rod is provided with the touch spring device, corresponding operating mechanism moves forward and backward thereby make the touch spring device drive the arc control device moving conductive rod by toggle mechanism and the transmission of touch spring device during use.During work, move on the arc control device moving conductive rod and can be electrically connected with the arc control device static conductive rod, thereby realize the feed motion of upper and lower outlet seat; The arc control device moving conductive rod moves down with the arc control device static conductive rod and disconnects, thereby realizes the separating brake action of upper and lower outlet seat.The problem that existing major loop structure exists is: when upper and lower outlet seat closes a floodgate, the current flowing path is: last outlet seat-arc control device static conductive rod-arc control device moving conductive rod-conductive clip-be flexible coupling-following outlet seat, the parts that major loop structure comprises are more, assembling link between each parts is many, the circulation flow path path length, arrangement between each parts is also complicated, and this has not only increased the assembly difficulty of major loop structure, has also caused the Electric Field Distribution of major loop structure irregular.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure and uniform three-phase combined type major loop structure for vacuum circuit-breaker of Electric Field Distribution; The purpose of this utility model also is to provide a kind of three-phase combined type vacuum circuit-breaker that uses this major loop structure.
In order to address the above problem, the technical scheme of major loop structure is in the utility model:
The three-phase combined type major loop structure for vacuum circuit-breaker, comprise arc control device and go up arc control device static conductive rod and the arc control device moving conductive rod that front and back arrange, and the quiet termination electrode and the moved end electrode that are arranged at the arc control device two ends respectively, described quiet termination electrode comprises and the coaxial quiet end conducting rod that is electrically connected of arc control device static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of arc control device moving conductive rod, the front end face of described moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction, the rear end mobile guide of described arc control device moving conductive rod is plugged in the described conductive hole, and the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole.
Be interval with at least two circle watchband fingertips along fore-and-aft direction between the hole wall of described conductive hole and the described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
The hole wall upper edge fore-and-aft direction of described conductive hole is arranged at intervals with number and disposes the corresponding fingertip mounting groove of number with described watchband, and described each watchband fingertip is fixedly arranged on respectively in the corresponding fingertip mounting groove.
Equal coaxial package insulated porcelain sleeve on the middle part outer peripheral face of described dynamic and static end conducting rod, insulated porcelain sleeve comprises the double-deck bowl-type porcelain body that is wholely set.
The equal coaxial threaded of opposing end of described dynamic and static end conducting rod is installed with binding post.
The technical scheme of three-phase combined type vacuum circuit-breaker is in the utility model:
The three-phase combined type vacuum circuit-breaker, comprise casing and go up the major loop structure that arranges, described major loop structure comprises arc control device and goes up arc control device static conductive rod and the arc control device moving conductive rod that front and back arrange, and the quiet termination electrode and the moved end electrode that are arranged at the arc control device two ends respectively, be connected with the touch spring device on the arc control device moving conductive rod, described quiet termination electrode comprises and the coaxial quiet end conducting rod that is electrically connected of arc control device static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of arc control device moving conductive rod, the front end face of described moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction, slide and be plugged in the described conductive hole in the rear end of described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole.
Be interval with at least two circle watchband fingertips along fore-and-aft direction between the hole wall of described conductive hole and the described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
The equal coaxial threaded of opposing end of described dynamic and static end conducting rod is installed with binding post.
The coaxial fixed cover that comprises of described touch spring device is loaded on the fixed muffle on the arc control device moving conductive rod, the front end of fixed muffle turns up the fixing spring seat, moving sleeve is equipped with along the coaxial fairlead of fore-and-aft direction in the periphery of fixed muffle, in the rear of fixing spring seat, turn over the mobile spring seat that is oppositely arranged with the fixing spring seat on the moving sleeve, fixing, be top-loaded with at least three groups of springs between the mobile spring seat, each groups of springs is circumferentially evenly arranged along described arc control device moving conductive rod, be installed with on the fixed muffle and move and the position limiting structure of separating brake make moving sleeve drive fixed muffle and arc control device moving conductive rod for cooperating with the moving sleeve block after, moving sleeve is provided with for the drive mechanism that is in transmission connection with corresponding toggle mechanism.
Described each groups of springs includes disk spring and guiding and is threaded onto lead in the disk spring, and described each lead all is arranged on the fixing spring seat.
The beneficial effects of the utility model are: the quiet end conducting rod of coaxial setting, the arc control device static conductive rod, arc control device moving conductive rod and moved end conducting rod constitute " one " font structure simple in structure, quiet end conducting rod and arc control device static conductive rod directly are electrically connected, arc control device moving conductive rod and moved end conducting rod directly are electrically connected, during circuit turn-on, the current flowing path is: quiet end conducting rod-arc control device static conductive rod-arc control device moving conductive rod and moved end conducting rod, arrangement between each parts is simple, the assembling link is few, be difficult for breaking down, " one " font setting between each parts makes that also the Electric Field Distribution of major loop structure is even.
Description of drawings
Fig. 1 is the structural representation of an embodiment of three-phase combined type vacuum circuit-breaker in the utility model;
Fig. 2 is the structural representation of major loop structure among Fig. 1, also is the structural representation of an embodiment of major loop structure in the utility model simultaneously;
Fig. 3 is the structural representation of moved end conducting rod among Fig. 2;
Fig. 4 is the structural representation of quiet end conducting rod among Fig. 2;
Fig. 5 is the structural representation of quiet end insulated porcelain sleeve among Fig. 2;
Fig. 6 is the structural representation of moved end insulated porcelain sleeve among Fig. 2;
Fig. 7 is the schematic diagram that cooperates of major loop structure and touch spring device among Fig. 1;
Fig. 8 is the structural representation of touch spring device among Fig. 7.
Embodiment
The embodiment of three-phase combined type vacuum circuit-breaker is shown in Fig. 1 ~ 8: comprise the casing 3 of hydraulic pressure moulding and go up the major loop structure that arranges, major loop structure comprises arc control device 4 and the quiet termination electrode, arc control device static conductive rod, arc control device moving conductive rod 10 and the moved end electrode that arrange along the fore-and-aft direction order, quiet termination electrode comprises and the coaxial quiet end conducting rod 5 that fixedly is electrically connected of arc control device static conductive rod that the moved end electrode comprises and the coaxial moved end conducting rod 2 that is electrically connected of arc control device moving conductive rod.The opposing end of dynamic and static end conducting rod is respectively arranged with moved end outlet structure and the quiet line structure that brings out, and all arranges on each outlet structure by coaxial the setting firmly of screw thread and is powered with binding post 7.The arc control device static conductive rod is fixed on the inwall of arc control device 4, and quiet end conducting rod 5 fixedly is electrically connected with the arc control device static conductive rod; The front end face of moved end conducting rod 2 is provided with the conductive hole 11 that axially extends along fore-and-aft direction, the hole wall upper edge fore-and-aft direction of conductive hole 11 is arranged at intervals with two fingertip mounting grooves 12, all be installed with the watchband fingertip in each fingertip mounting groove 12, the rear end guiding of arc control device moving conductive rod is threaded onto in the conductive hole 11, and the periphery wall of arc control device moving conductive rod is electrically connected with the slip of watch band contact thrum and realizes being electrically connected with the hole wall of conductive hole.Be equal to axle sleeve by brass nut 9, spring washer respectively on the middle part outer peripheral face of dynamic and static end conducting rod moved end insulated porcelain sleeve 1 and quiet end insulated porcelain sleeve 6 are housed, dynamic and static end insulated porcelain sleeve includes the double-deck bowl-type porcelain body that is wholely set extremely.Part 8 expression sealing rings among the figure.The arc control device moving conductive rod is provided with the touch spring device, the touch spring device comprises that coaxial fixed cover is loaded on the fixed muffle 22 on the arc control device moving conductive rod, the front end of fixed muffle turns up fixing spring seat 19, moving sleeve 21 is equipped with along the coaxial fairlead of fore-and-aft direction in the periphery of fixed muffle 22, in the rear of fixing spring seat 19, turn over the mobile spring seat 20 that is oppositely arranged with fixing spring seat 19 on the moving sleeve, fixing, be top-loaded with three groups of springs between the mobile spring seat, each groups of springs is circumferentially evenly arranged along the arc control device moving conductive rod, each groups of springs includes the shape spring 18 of talking endlessly, be set with on the fixing spring seat 19 and the corresponding setting of the shape spring of respectively talking endlessly, and the guide post 17 that axially extends along fore-and-aft direction, respectively talk endlessly the shape spring respectively fairlead be loaded on corresponding guide post periphery, mobile spring seat 20 is provided with respectively the guide post perforation that runs through along fore-and-aft direction for each guide post rear end.Be installed with on the fixed muffle 22 and move and the position limiting structure of separating brake make moving sleeve drive fixed muffle and arc control device moving conductive rod for cooperating with moving sleeve 21 blocks after, position limiting structure is by constituting by the stop nut 16 of screw thread spinning in the fixed muffle rear end.Mobile spring seat 20 surrounds the fixed muffle perforation that cooperates with the periphery wall guiding of fixed muffle along the fore-and-aft direction hole wall, the outer peripheral face of fixing spring seat 19 is and the internal perisporium of moving sleeve guiding matched cylindrical, moving sleeve is provided with for the drive mechanism that is in transmission connection with corresponding toggle mechanism, and drive mechanism is included in the circumferential elongated slot that two of being oppositely arranged on the barrel of moving sleeve supply two transmissions projection transmission plug-in mountings on the insulation shift fork 50 of corresponding toggle mechanism respectively.
During use, two transmission projection symmetries on the insulation shift fork are plugged in two circumferential elongated slots of corresponding moving sleeve, when needs close a floodgate, power transmission shaft drives the insulation shift fork and swings forward, the insulation shift fork is stirred the moving sleeve reach, and moving sleeve is realized the feed motion of dynamic and static termination electrode by contact dish spring drive fixed muffle and moving conductive rod reach; In like manner, power transmission shaft drives the separating brake action that can realize dynamic and static termination electrode when the insulation shift fork is swung backward.Quiet end conducting rod, arc control device static conductive rod, arc control device moving conductive rod and moved end conducting rod are " one " font structure of coaxial setting, make that the Electric Field Distribution of major loop structure is even, also simplified the arrangement between each parts, reduce the assembly difficulty of major loop structure, reduced the overall dimensions of major loop structure; Conductive hole has guaranteed the kinematic accuracy of arc control device moving conductive rods to the guide effect of arc control device moving conductive rod, and the overall performance of product is got a promotion; Adopt watch band contact fingering row conduction, compact overall structure, take up room little, through-current capability big, shorten circulation path, conduct electricity very well, Installation and Debugging are also more convenient, the watchband fingertip is arranged in the conducting rod of moved end simultaneously, can not influence the distribution of electric field; The arc control device moving conductive rod is passed by the center of touch spring device, not only make whole major loop structure compacter, whole circuit breaker power plant is evenly distributed, the disk spring of touch spring device has shortened the axial dimension of touch spring device, dynamic and static end conducting rod has only the partial structurtes difference, and then reduced processing, manufacture difficulty, be conducive to enhance productivity; The double-deck bowl-type ceramic structure of dynamic and static end insulated porcelain sleeve has also increased the creepage distance that reaches between phase and phase between each phase and the casing.In other embodiment of this three-phase combined type vacuum circuit-breaker: the arc control device moving conductive rod also can be directly and the groove arm of conductive hole slide and be electrically connected; The number of watchband fingertip can also be three, four or more; Disk spring in the touch spring device can also be cylindrical helical spring; The number of groups of springs can also be four, five or more.
The embodiment of major loop structure is shown in Fig. 2 ~ 6: the major loop structure described in major loop structure such as above-mentioned each three-phase combined type vacuum circuit-breaker embodiment is not described in detail in this.
Claims (10)
1. three-phase combined type major loop structure for vacuum circuit-breaker, comprise arc control device and go up arc control device static conductive rod and the arc control device moving conductive rod that front and back arrange, and the quiet termination electrode and the moved end electrode that are arranged at the arc control device two ends respectively, it is characterized in that: described quiet termination electrode comprises and the coaxial quiet end conducting rod that is electrically connected of arc control device static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of arc control device moving conductive rod, the front end face of described moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction, the rear end mobile guide of described arc control device moving conductive rod is plugged in the described conductive hole, and the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole.
2. major loop structure according to claim 1, it is characterized in that: be interval with at least two circle watchband fingertips along fore-and-aft direction between the hole wall of described conductive hole and the described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
3. major loop structure according to claim 2, it is characterized in that: the hole wall upper edge fore-and-aft direction of described conductive hole is arranged at intervals with number and disposes the corresponding fingertip mounting groove of number with described watchband, and described each watchband fingertip is fixedly arranged on respectively in the corresponding fingertip mounting groove.
4. major loop structure according to claim 1 is characterized in that: equal coaxial package insulated porcelain sleeve on the middle part outer peripheral face of described dynamic and static end conducting rod, insulated porcelain sleeve comprises the double-deck bowl-type porcelain body that is wholely set.
5. according to any described major loop structure of claim 1 ~ 4, it is characterized in that: the equal coaxial threaded of opposing end of described dynamic and static end conducting rod is installed with binding post.
6. three-phase combined type vacuum circuit-breaker, comprise casing and go up the major loop structure that arranges, described major loop structure comprises arc control device and goes up arc control device static conductive rod and the arc control device moving conductive rod that front and back arrange, and the quiet termination electrode and the moved end electrode that are arranged at the arc control device two ends respectively, be connected with the touch spring device on the arc control device moving conductive rod, it is characterized in that: described quiet termination electrode comprises and the coaxial quiet end conducting rod that is electrically connected of arc control device static conductive rod, the moved end electrode comprises the moved end conducting rod with the coaxial setting of arc control device moving conductive rod, the front end face of described moved end conducting rod is provided with the conductive hole that axially extends along fore-and-aft direction, slide and be plugged in the described conductive hole in the rear end of described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole.
7. three-phase combined type vacuum circuit-breaker according to claim 6, it is characterized in that: be interval with at least two circle watchband fingertips along fore-and-aft direction between the hole wall of described conductive hole and the described arc control device moving conductive rod, the periphery wall of described arc control device moving conductive rod is electrically connected with the hole wall of described conductive hole by described watchband fingertip.
8. three-phase combined type vacuum circuit-breaker according to claim 6, it is characterized in that: the equal coaxial threaded of opposing end of described dynamic and static end conducting rod is installed with binding post.
9. according to any described three-phase combined type vacuum circuit-breaker of claim 6 ~ 8, it is characterized in that: described touch spring device comprises that coaxial fixed cover is loaded on the fixed muffle on the arc control device moving conductive rod, the front end of fixed muffle turns up the fixing spring seat, moving sleeve is equipped with along the coaxial fairlead of fore-and-aft direction in the periphery of fixed muffle, in the rear of fixing spring seat, turn over the mobile spring seat that is oppositely arranged with the fixing spring seat on the moving sleeve, fixing, be top-loaded with at least three groups of springs between the mobile spring seat, each groups of springs is circumferentially evenly arranged along described arc control device moving conductive rod, be installed with on the fixed muffle and move and the position limiting structure of separating brake make moving sleeve drive fixed muffle and arc control device moving conductive rod for cooperating with the moving sleeve block after, moving sleeve is provided with for the drive mechanism that is in transmission connection with corresponding toggle mechanism.
10. three-phase combined type vacuum circuit-breaker according to claim 9 is characterized in that: described each groups of springs includes disk spring and guiding and is threaded onto lead in the disk spring, and described each lead all is arranged on the fixing spring seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038145 CN203134670U (en) | 2013-01-24 | 2013-01-24 | Three-phase common-box vacuum circuit breaker and main loop structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038145 CN203134670U (en) | 2013-01-24 | 2013-01-24 | Three-phase common-box vacuum circuit breaker and main loop structure thereof |
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| Publication Number | Publication Date |
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| CN203134670U true CN203134670U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320038145 Expired - Fee Related CN203134670U (en) | 2013-01-24 | 2013-01-24 | Three-phase common-box vacuum circuit breaker and main loop structure thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123878A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Three-phase one-tank vacuum circuit breaker and main loop structure thereof |
| CN112582204A (en) * | 2020-12-04 | 2021-03-30 | 河南平高通用电气有限公司 | Arc extinguish chamber unit for gas-filled cabinet |
-
2013
- 2013-01-24 CN CN 201320038145 patent/CN203134670U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123878A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Three-phase one-tank vacuum circuit breaker and main loop structure thereof |
| CN112582204A (en) * | 2020-12-04 | 2021-03-30 | 河南平高通用电气有限公司 | Arc extinguish chamber unit for gas-filled cabinet |
| CN112582204B (en) * | 2020-12-04 | 2024-04-02 | 河南平高通用电气有限公司 | Arc extinguishing chamber unit for gas-filled cabinet |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Group Co., Ltd. Patentee after: State Grid Corporation of China Patentee after: Henan high General Electric Co., Ltd. Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. Patentee before: State Grid Corporation of China |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |