CN202363348U - Mobile vacuum load switch and fuse composite appliance device - Google Patents
Mobile vacuum load switch and fuse composite appliance device Download PDFInfo
- Publication number
- CN202363348U CN202363348U CN2011204432928U CN201120443292U CN202363348U CN 202363348 U CN202363348 U CN 202363348U CN 2011204432928 U CN2011204432928 U CN 2011204432928U CN 201120443292 U CN201120443292 U CN 201120443292U CN 202363348 U CN202363348 U CN 202363348U
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- fuse
- load switch
- integral type
- combined electric
- type pole
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Abstract
The utility model discloses a mobile vacuum load switch and a fuse composite appliance device which is provided with an integrated pole column, a high-voltage fuse and a vacuum arc extinguish chamber, wherein the high-voltage fuse and the vacuum arc extinguish chamber are sleeved in the integrated pole column, a clamp is arranged between the high-voltage fuse and the integrated pole column, one end of the clamp is fixed on the integrated pole column, the other end of the clamp is clamped on the high-voltage fuse, a spiral hoop is sleeved on the outer peripheral edge of the clamp, a bolt for regulating the tightness degree of the hoop is arranged on the spiral hoop, and the column wall of the integrated pole column is also provided with an operating hole for operating the screw. Compared with the prior art, the mobile vacuum load switch and a fuse composite appliance device can not damage a silver coating of the high-voltage fuse, so that increase of primary conduction circuit resistance and heating quantity can not be caused; and meanwhile, because of the operating hole, the self heating quantity of the high-voltage fuse can be rapidly emitted outside the integrated pole column, and electrical property and service life of the high-voltage fuse are stabilized.
Description
Technical field
The utility model relates to switchgear field in 7.2～12kV electric power system, relates to a kind of withdraw-type vacuum load switch and fuse combined electric apparatus equipment in particular.
Background technology
As shown in Figure 1; It is the sketch map of Chinese utility model patent ZL200820103172.1; What it related to is the mid-improvement structure of removing solid sealing type vacuum circuit breaker of middle pressure; Comprise pole 91, high-tension fuse 92 and vacuum interrupter 93, this high-tension fuse 92 all is nested with in pole 91 with vacuum interrupter 93; This pole 91 is to be made up of with vertical hollow cylinder 912 the horizontal hollow cylinder 911 that intersects vertically; The T-shaped shape of its appearance integral; These high-tension fuse 92 levels are installed in the horizontal hollow cylinder 911; 93 of this vacuum interrupters are enclosed in the vertical hollow cylinder 912 admittedly, and this high-tension fuse 92 is connected in series with vacuum interrupter 93, promptly forms a series connection loop.So, it can be born Guan Hehe by vacuum interrupter 93 and cut-offs various load currents and overload current; Simultaneously bear cut-offfing of maximum short circuit current, and can form the vacuum switch of difference in functionality according to this: vacuum load switch, vacuum circuit-breaker, vacuum switch-fuse combined electric apparatus, vacuum contactor and F-C loop by high-tension fuse 92.
But, in said structure,, this high-tension fuse 92 fixes because being modes through O shape extension spring 94, and when these O shape extension spring 94 power are excessive, can make clip 95 diameters along with diminishing, make the stiff end headgear of high-tension fuse 92 not enter; And when O shape extension spring 94 power are too small, can make clip 95 diameters along with becoming big, and then can let clamping force unreliable, primary conductive loop resistance difficulty is controlled in the certain numerical value; In addition when high-tension fuse 92 screw propulsions are gone into clip 95; This clip 95 can scrape off the silver coating of high-tension fuse 92 terminations, has increased the primary conductive contact resistance, and then has increased caloric value; So influence the high-tension fuse electric property, reduced the useful life of high-tension fuse 92;
In view of this, the inventor has this case to produce to the above-mentioned defective further investigation in the existing equipment then.
The utility model content
The purpose of the utility model is to provide a kind of withdraw-type vacuum load switch and fuse combined electric apparatus equipment, influences the defective in its electric property and useful life because of installation question to solve this high-tension fuse of prior art.
In order to reach above-mentioned purpose, the solution of the utility model is:
A kind of withdraw-type vacuum load switch and fuse combined electric apparatus equipment; This combined electric appliance equipment has integral type pole, high-tension fuse and vacuum interrupter; This high-tension fuse and vacuum interrupter all are nested with in the integral type pole; Also be provided with clip between this high-tension fuse and the integral type pole, this clip one end is fixed on the integral type pole, and the other end is clamped on the high-tension fuse; Wherein, these clip outer peripheral edges also are arranged with spiral anchor ear, and this spiral anchor ear is provided with the screw that is used to adjust the anchor ear elasticity, also are formed with on this integral type pole wall to supply handle hole that screw is operated.
Further, this spiral anchor ear adopts stainless steel to process.
Further, this integral type pole is at the long lumbar hole that also has been formed with thermolysis corresponding to the position of high-tension fuse.
Further, this integral type pole is formed with the long cylinder structure corresponding to the installation position of vacuum interrupter, and this vacuum interrupter is then for being with the ceramic package vacuum interrupter of cluster parachute.
Further, this integral type pole has horizontal hollow cylinder and vertical hollow cylinder, and this horizontal hollow cylinder is formed with a plurality of epoxy resin cluster parachutes.
Further, this combined electric appliance equipment also has operating mechanism, and the spacing between this operating mechanism and the horizontal hollow cylinder is 35mm.
Further, this combined electric appliance equipment also has high-tension fuse action indicating device, and this high-tension fuse action indicating device is arranged on outside the integral type pole.
After adopting said structure; The combined electric appliance equipment that the utility model relates to; It is through being provided with spiral anchor ear and screw, so when high-tension fuse was installed, people can pass through handle hole and the turn screw; So that spiral anchor ear loosens, thereby can make things convenient for the installation between high-tension fuse and the clip greatly; And after installation, turn screw in the other direction then so that spiral anchor ear tightly holds on clip, so makes firmly to link to each other between high-tension fuse and the clip; So the utility model compared with prior art, can't damage the silver coating of high-tension fuse, promptly can not cause the increase of loop resistance and caloric value; The handle hole that forms owing to the utility model simultaneously, it also can let the self-heating of high-tension fuse be dispersed into rapidly outside the integral type pole, and then plays the effect in stable high voltage fuse electric property and useful life.
Description of drawings
Fig. 1 presses the mid-structural representation of removing solid sealing type vacuum circuit breaker in existing;
A kind of withdraw-type vacuum load switch that Fig. 2 relates to for the utility model and the structural representation of fuse combined electric apparatus equipment.
Among the figure:
Combined electric appliance equipment 100 integral type poles 1
Horizontal hollow cylinder 11 epoxy resin cluster parachutes 111
Vertical hollow cylinder 12 handle holes 13
Long lumbar hole 14 long cylinder structures 15
High-tension fuse 2 vacuum interrupters 3
Screw 71
Vertical hollow cylinder 912 high-tension fuses 92
Vacuum interrupter 93 O shape extension springs 94
Embodiment
In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.
As shown in Figure 2; A kind of withdraw-type vacuum load switch and fuse combined electric apparatus equipment 100 that the utility model relates to; It has integral type pole 1, high-tension fuse 2 and vacuum interrupter 3, and this integral type pole 1 has horizontal hollow cylinder 11 and vertical hollow cylinder 12; This high-tension fuse 2 all is nested with in integral type pole 1 with vacuum interrupter 3; Certainly this combined electric appliance equipment 100 also has operating mechanism 4, and this operating mechanism 4 links to each other with vacuum interrupter 3 through insulated tension pole 5.
Also be provided with clip 6 between this high-tension fuse 2 and the integral type pole 1, these clip 6 one ends are fixed on the integral type pole 1, and the other end is clamped on the high-tension fuse 2; These clip 6 outer peripheral edges also are arranged with spiral anchor ear 7, and this spiral anchor ear 7 is provided with the screw 71 that is used to adjust the anchor ear elasticity, also are formed with handle hole 13 on this integral type pole 1 wall, and this handle hole 13 can supply people that screw 71 is operated; Preferably, this spiral anchor ear 7 adopts stainless steel to process.
Like this; The utility model is through being provided with spiral anchor ear 7 and screw 71, so when high-tension fuse 2 was installed, people can pass through handle hole 13 and turn screw 71; So that spiral anchor ear 7 loosens, thereby can make things convenient for the installation between high-tension fuse 2 and the clip 6 greatly; And after installation, turn screw 71 in the other direction then so that spiral anchor ear 7 tightly holds on clip 6, so makes firmly to link to each other between high-tension fuse 2 and the clip 6; So the utility model compared with prior art, can't damage the silver coating of high-tension fuse 2, promptly can not cause the increase of loop resistance and caloric value; The handle hole 13 that forms owing to the utility model simultaneously, it also can let the self-heating of high-tension fuse 2 be dispersed into rapidly outside the integral type pole 1, and then plays stable high voltage fuse 2 electric properties and the effect in useful life.
As further improved plan, this integral type pole 1 also is formed with long lumbar hole 14 in the position corresponding to high-tension fuse 2, and this long lumbar hole 14 mainly plays the effect of heat radiation; So, it is with respect to prior art, and it need not earlier integral type pole 1 to be warmed the process of heat radiation again, thus stable high voltage fuse 2 electric properties and useful life.
In addition, this integral type pole 1 is formed with long cylinder structure 15 corresponding to the installation position of vacuum interrupter 3, and its inside can reach 3 ceramic package vacuum interrupters 3 for the band cluster parachute of this vacuum interrupter of gradation for surface pollution II level, its gradation for surface pollution II level; Certainly it can also adopt dosing technology, with silicon rubber it is carried out solid envelope.
In order to improve the insulation level of whole integral type pole 1, the horizontal hollow cylinder 11 of this integral type pole 1 is formed with a plurality of epoxy resin cluster parachutes 111, so makes the creepage distance at this place reach the filthy standard of industry II level.
In addition; This combined electric appliance equipment 100 also has high-tension fuse 2 action indicating device (not shown)s; These high-tension fuse 2 action indicating devices are arranged on outside the integral type pole 1; The impact of high-tension fuse 2 strikers is more effectively passed in the dropout rotating shaft of operating mechanism 4, and then guarantee the reliable separating brake of vacuum load switch-fuse combined electric apparatus; Because this action indicating device is arranged on the outside, it also has effect convenient for installation and maintenance in addition.Then, in order to improve compressive resistance and to reduce Leakage Current, compared to prior art shown in Figure 1; The height of this operating mechanism 4 will reduce 20mm (spacing has only 10mm before, and 35mm is then arranged now), so; It can increase and integral type pole 1 (being specially horizontal hollow pole 11) between the air gap; Change the Electric Field Distribution at this place, greatly reduce leakage current, stopped the flashover discharge.
Product form of the foregoing description and graphic and non-limiting the utility model and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing.
Claims (7)
1. withdraw-type vacuum load switch and fuse combined electric apparatus equipment; This combined electric appliance equipment has integral type pole, high-tension fuse and vacuum interrupter; This high-tension fuse and vacuum interrupter all are nested with in the integral type pole; Also be provided with clip between this high-tension fuse and the integral type pole, this clip one end is fixed on the integral type pole, and the other end is clamped on the high-tension fuse; It is characterized in that these clip outer peripheral edges also are arranged with spiral anchor ear, this spiral anchor ear is provided with the screw that is used to adjust the anchor ear elasticity, also is formed with on this integral type pole wall to supply handle hole that screw is operated.
2. a kind of withdraw-type vacuum load switch as claimed in claim 1 and fuse combined electric apparatus equipment is characterized in that, this spiral anchor ear adopts stainless steel to process.
3. a kind of withdraw-type vacuum load switch as claimed in claim 1 and fuse combined electric apparatus equipment is characterized in that this integral type pole is at the long lumbar hole that also has been formed with thermolysis corresponding to the position of high-tension fuse.
4. a kind of withdraw-type vacuum load switch as claimed in claim 1 and fuse combined electric apparatus equipment; It is characterized in that; This integral type pole is formed with the long cylinder structure corresponding to the installation position of vacuum interrupter, and this vacuum interrupter is then for being with the ceramic package vacuum interrupter of cluster parachute.
5. a kind of withdraw-type vacuum load switch as claimed in claim 1 and fuse combined electric apparatus equipment is characterized in that this integral type pole has horizontal hollow cylinder and vertical hollow cylinder, and this horizontal hollow cylinder is formed with a plurality of epoxy resin cluster parachutes.
6. a kind of withdraw-type vacuum load switch as claimed in claim 5 and fuse combined electric apparatus equipment is characterized in that this combined electric appliance equipment also has operating mechanism, and the spacing between this operating mechanism and the horizontal hollow cylinder is 35mm.
7. a kind of withdraw-type vacuum load switch as claimed in claim 1 and fuse combined electric apparatus equipment; It is characterized in that; This combined electric appliance equipment also has high-tension fuse action indicating device, and this high-tension fuse action indicating device is arranged on outside the integral type pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204432928U CN202363348U (en) | 2011-11-10 | 2011-11-10 | Mobile vacuum load switch and fuse composite appliance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204432928U CN202363348U (en) | 2011-11-10 | 2011-11-10 | Mobile vacuum load switch and fuse composite appliance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202363348U true CN202363348U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204432928U Expired - Lifetime CN202363348U (en) | 2011-11-10 | 2011-11-10 | Mobile vacuum load switch and fuse composite appliance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202363348U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887362A (en) * | 2017-03-15 | 2017-06-23 | 平高集团有限公司 | A kind of modularization pole and its manufacture method, pole body, joint module |
| CN107359076A (en) * | 2017-06-27 | 2017-11-17 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
| CN111489916A (en) * | 2020-04-13 | 2020-08-04 | 贝司特电气有限公司 | Solid-sealed pole structure of load switch-fuse combined electrical apparatus |
| CN117373864A (en) * | 2023-10-09 | 2024-01-09 | 温州昌泰电气有限公司 | Contact device of handcart circuit breaker and handcart circuit breaker |
-
2011
- 2011-11-10 CN CN2011204432928U patent/CN202363348U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887362A (en) * | 2017-03-15 | 2017-06-23 | 平高集团有限公司 | A kind of modularization pole and its manufacture method, pole body, joint module |
| CN107359076A (en) * | 2017-06-27 | 2017-11-17 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
| CN111489916A (en) * | 2020-04-13 | 2020-08-04 | 贝司特电气有限公司 | Solid-sealed pole structure of load switch-fuse combined electrical apparatus |
| CN117373864A (en) * | 2023-10-09 | 2024-01-09 | 温州昌泰电气有限公司 | Contact device of handcart circuit breaker and handcart circuit breaker |
| CN117373864B (en) * | 2023-10-09 | 2024-04-23 | 温州昌泰电气有限公司 | Contact device of handcart circuit breaker and handcart circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171009 Address after: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Industrial Zone Road No. 512 spring two f two Patentee after: Xiamen Xingyu Xiang Electrical Equipment Co. Ltd. Address before: 361004 Room 301, Jinfeng 5, Huli District, Fujian, Xiamen Patentee before: Wang Zhanhua |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |