CN204067178U - A kind of intelligent switch with series connection double-fracture - Google Patents
A kind of intelligent switch with series connection double-fracture Download PDFInfo
- Publication number
- CN204067178U CN204067178U CN201420547712.0U CN201420547712U CN204067178U CN 204067178 U CN204067178 U CN 204067178U CN 201420547712 U CN201420547712 U CN 201420547712U CN 204067178 U CN204067178 U CN 204067178U
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- Prior art keywords
- control device
- arc control
- series connection
- intelligent switch
- fracture
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- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a kind of intelligent switch with series connection double-fracture, the insulated tension pole comprising epoxy resin housing, upper leading-out terminal, the first arc control device, the second arc control device and be connected with above-mentioned arc control device, also comprise a fixing metal fixed cavity in the housing, the moved end series connection of described first arc control device and the second arc control device, and be fixed on fixed cavity.Also comprise transducer, described sensor setting on housing, and connects the major loop of intelligent switch.Usefulness of the present utility model is, solves the orientation problem of the arc control device in production process, solves the problem that movable end of arc extinguishing chamber is concentrated with the neighbouring electric field that is flexible coupling simultaneously, plays shielding action, optimize overall Electric Field Distribution; Realize the monitoring of curtage, the operating reliability of the equipment that improves; Reduce the volume of product, reduce the electric power in the running that structural configuration causes simultaneously; There is higher economic benefit.
Description
Technical field
The utility model relates to the field of electrical equipment in electric power system, particularly relates to a kind of intelligent switch with series connection double-fracture in mesohigh Intellectualized Switchgear.
Background technology
Vacuum circuit-breaker is with its long service life in recent years, frequently can cut-off, without advantages such as oil, few maintenances, be widely used, therefore usually adopting vacuum switch opening-closing capacitor bank when carrying out reactive power compensation in electric power system.As everyone knows, vacuum switch can produce the switching overvoltage of various complexity in the process of opening-closing capacitor bank, if the performance of vacuum circuit-breaker is perfect not, easily occur restriking, high overvoltage can be produced, bring serious harm to power equipment, limit the application of vacuum circuit-breaker in this one side.And in recent years along with vacuum switch has captured the market share of absolute predominance in middle pressure field, make this demand seem more outstanding and urgent.
Vacuum switch, when closing Capacitor banks, usually can produce very high the shoving and overvoltage of amplitude, closing of especially back-to-back Capacitor banks, shove and may reach hundred times of rated current.Not only unfavorable to the equipment in system, also may cause the misoperation of relaying protection, affect the stable of electric power system.
Patent CN201320308095.4 discloses in one and presses opening-closing capacitor bank vacuum switch.Middle pressure opening-closing capacitor bank vacuum switch comprises: the first arc control device, the second arc control device and middle electric-conductor; Connected by described middle electric-conductor with the top of described second arc control device in the bottom of described first arc control device.This structure solves in single break opening-closing capacitor bank cut-offs problem in the high and DC switch of rate of restriking.But owing to arranging reason, the junction non-uniform electric of movable end of arc extinguishing chamber and insulated tension pole, reliability is lower; Highly higher, be unfavorable for the miniaturization of product.
Summary of the invention
The utility model, in order to solve above-mentioned Problems existing, provides a kind of intelligent switch with series connection double-fracture.Solve the problem that in product structure, Electric Field Distribution is uneven, volume is larger, reduce the electric power caused by structural configuration, realizing product curtage can measure simultaneously, improves the operating reliability of switchgear.
The utility model adopts following technical scheme: a kind of intelligent switch with series connection double-fracture, the insulated tension pole comprising epoxy resin housing, upper leading-out terminal, the first arc control device, the second arc control device and be connected with above-mentioned arc control device, it is characterized in that, also comprise a fixing metal fixed cavity in the housing, the moved end series connection of described first arc control device and the second arc control device, and be fixed on fixed cavity.Adopt the fixed cavity of metal tub structure, solve the orientation problem of the arc control device in production process, solve the problem that screen movable end of arc extinguishing chamber is concentrated with the neighbouring electric field that is flexible coupling simultaneously, play shielding action, optimize overall Electric Field Distribution.
Preferably, also comprise transducer, described transducer is current transformer, voltage transformer or current-voltage transformer; Described sensor setting on housing, and connects the major loop of intelligent switch.Realize the monitoring of curtage, the operating reliability of the equipment that improves.
Further, described first arc control device and the moving conductive rod of the second arc control device are connected one respectively and are flexible coupling or common connect one and be flexible coupling, described in be flexible coupling and be electrically connected with fixed cavity.
Further, at least one arc control device is vertical with insulated tension pole, and the moved end of these arc control device, rotate connecting lever by one and be connected the interlock realizing vertical direction with insulated tension pole.Arc control device adopt and are arranged vertically, and reduce the volume of product, reduce the electric power in the running that structural configuration causes simultaneously.
Also further, the lower end of described fixed cavity is lower than the intersection of the metal joint in insulated tension pole and insulating bar.
Also further, described first arc control device and the second arc control device are connected an insulated tension pole respectively, or connect same insulated tension pole.
Also further, described upper leading-out terminal, the first arc control device, the second arc control device, fixed cavity and transducer are integrally cast in housing.Fixed cavity is cast in the enclosure interior of epoxy resin, high field intensity can be incorporated into enclosure interior, shield, the unequal problem of the Electric Field Distribution that the electric connecting part solving fixed cavity inside causes, make full use of the advantage of the higher tolerance field intensity of epoxy resin.
Also further, in interpolar, pole, full skirt is set over the ground or on pole inner chamber.Meet the requirement of various height above sea level and gradation for surface pollution.
Also further, the material of described fixed cavity is aluminium.
Usefulness of the present utility model is, solves the orientation problem of the arc control device in production process, solves the problem that screen movable end of arc extinguishing chamber is concentrated with the neighbouring electric field that is flexible coupling simultaneously, plays shielding action, optimize overall Electric Field Distribution; Realize the monitoring of curtage, the operating reliability of the equipment that improves; Reduce the volume of product, reduce the electric power in the running that structural configuration causes simultaneously; There is higher economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one of the present utility model;
Fig. 2 is the structural representation of embodiment two of the present utility model;
Fig. 3 is the structural representation of embodiment three of the present utility model;
Reference numeral: 1, upper leading-out terminal; 2, transducer; 3, the first arc control device; 4, fixed cavity; 5, insulated tension pole; 6, connecting lever is rotated; 7, the second arc control device; 8, housing; 9, be flexible coupling; 10, full skirt.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Embodiment one, as shown in Figure 1, a kind of intelligent switch with series connection double-fracture, comprise epoxy resin housing 8, upper leading-out terminal 1, first arc control device 3, second arc control device 7, insulated tension pole 5, transducer 2, be flexible coupling 9, the moved end of fixed cavity 4, first arc control device and the second arc control device is fixed on fixed cavity 4.Transducer 2 can be current transformer, voltage transformer or current-voltage transformer, and connects the major loop of intelligent switch, realizes the monitoring of curtage, the operating reliability of the equipment that improves.Transducer 2 is arranged on above arc control device, makes product structure compacter.Also can be arranged on arc control device both sides or the both sides at fixed cavity, its effect is equivalent.
In the present embodiment, fixed cavity 4 adopts the tubular structure of aluminum, and upper leading-out terminal 1, first arc control device 3, second arc control device 7, fixed cavity 4 and transducer 2 are integrally cast in housing 1.First arc control device 3 are connected same insulated tension pole 5 with the moved end of the second arc control device 7.First arc control device 3 are coaxial with insulated tension pole 5, are positioned at the top of insulated tension pole 5; And the second arc control device 7 are vertical with insulated tension pole 5, the moved end of the second arc control device 7 rotates connecting lever 6 by one and is connected with insulated tension pole 5 interlock realizing vertical direction.Thus realize an insulated tension pole and can operate two vacuum interrupters simultaneously, compare other scheme and more save cost and space.First arc control device 3 are jointly connected one with the moving conductive rod of the second arc control device 7 and are flexible coupling 9, are flexible coupling 9 to be electrically connected with fixed cavity 4, realize the moved end series connection of two arc control device.The lower end of fixed cavity 4 is lower than the intersection of the metal joint in insulated tension pole 5 and insulating bar.
In interpolar, pole, full skirt 10 is set over the ground or on pole inner chamber.Meet the requirement of various height above sea level and gradation for surface pollution.
Embodiment two, as shown in Figure 2, is with the difference of embodiment one, the first arc control device 3 are connected an insulated tension pole 4 respectively with the moved end of the second arc control device 7.
Embodiment three, as shown in Figure 3, is with the difference of embodiment one: the first arc control device 3 are also vertical with insulated tension pole 5 to be placed, and the moved end of the first arc control device 3 rotates connecting lever 6 by one and is connected with insulated tension pole 5 interlock realizing vertical direction; First arc control device 3 and the second arc control device 7 moving conductive rod be connected one respectively and be flexible coupling 9, being flexible coupling 9 is electrically connected with fixed cavity 4.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; in the form and details the utility model is made a variety of changes, be protection range of the present utility model.
Claims (9)
1. one kind has the intelligent switch of series connection double-fracture, the insulated tension pole comprising epoxy resin housing, upper leading-out terminal, the first arc control device, the second arc control device and be connected with above-mentioned arc control device, it is characterized in that, also comprise a fixing metal fixed cavity in the housing, the moved end series connection of described first arc control device and the second arc control device, and be fixed on fixed cavity.
2. as claimed in claim 1 a kind of have series connection double-fracture intelligent switch, it is characterized in that, also comprise transducer, described transducer is current transformer, voltage transformer or current-voltage transformer; Described sensor setting on housing, and connects the major loop of intelligent switch.
3. a kind of intelligent switch with series connection double-fracture as described in any one of claim 1 or 2, it is characterized in that, described first arc control device and the moving conductive rod of the second arc control device are connected one respectively and are flexible coupling or common connect one and be flexible coupling, described in be flexible coupling and be electrically connected with fixed cavity.
4. a kind of intelligent switch with series connection double-fracture as claimed in claim 3, it is characterized in that, at least one arc control device is vertical with insulated tension pole, and the moved end of these arc control device, is connected by a rotation connecting lever interlock realizing vertical direction with insulated tension pole.
5. a kind of intelligent switch with series connection double-fracture as claimed in claim 4, is characterized in that, the lower end of described fixed cavity is lower than the intersection of the metal joint in insulated tension pole and insulating bar.
6. as claimed in claim 5 a kind of have series connection double-fracture intelligent switch, it is characterized in that, described first arc control device and the second arc control device are connected an insulated tension pole respectively, or connect same insulated tension pole.
7. as claimed in claim 5 a kind of have series connection double-fracture intelligent switch, it is characterized in that, described upper leading-out terminal, the first arc control device, the second arc control device, fixed cavity and transducer are integrally cast in housing.
8. as claimed in claim 5 a kind of have series connection double-fracture intelligent switch, it is characterized in that, in interpolar, pole, full skirt is set over the ground or on pole inner chamber.
9. as claimed in claim 5 a kind of have series connection double-fracture intelligent switch, it is characterized in that, the material of described fixed cavity is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547712.0U CN204067178U (en) | 2014-09-23 | 2014-09-23 | A kind of intelligent switch with series connection double-fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547712.0U CN204067178U (en) | 2014-09-23 | 2014-09-23 | A kind of intelligent switch with series connection double-fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067178U true CN204067178U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547712.0U Expired - Lifetime CN204067178U (en) | 2014-09-23 | 2014-09-23 | A kind of intelligent switch with series connection double-fracture |
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| Country | Link |
|---|---|
| CN (1) | CN204067178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201043A (en) * | 2014-09-23 | 2014-12-10 | 麦克奥迪（厦门）电气股份有限公司 | Intelligent switch with serially-connected double break points |
-
2014
- 2014-09-23 CN CN201420547712.0U patent/CN204067178U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201043A (en) * | 2014-09-23 | 2014-12-10 | 麦克奥迪（厦门）电气股份有限公司 | Intelligent switch with serially-connected double break points |
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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 |
Effective date of registration: 20201117 Address after: No.4a-5, No.810 Fangshan South Road, torch high tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province Patentee after: Macaudi (Xiamen) Intelligent Electric Co.,Ltd. Address before: 361102 Fujian Province, Xiamen city Xiangan District torch hi tech Zone (Xiangan) Industrial Zone Fang Mountain Road No. 808 Patentee before: MOTIC (XIAMEN) ELECTRIC GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |
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| CX01 | Expiry of patent term |