CN202721064U - Combined type static contact assembly of high-voltage isolating switch - Google Patents
Combined type static contact assembly of high-voltage isolating switch Download PDFInfo
- Publication number
- CN202721064U CN202721064U CN 201220052361 CN201220052361U CN202721064U CN 202721064 U CN202721064 U CN 202721064U CN 201220052361 CN201220052361 CN 201220052361 CN 201220052361 U CN201220052361 U CN 201220052361U CN 202721064 U CN202721064 U CN 202721064U
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- CN
- China
- Prior art keywords
- fixed contact
- static contact
- combined type
- fixed
- type static
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003068 static effect Effects 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009499 grossing Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/38—Plug-and-socket contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a combined type static contact assembly of a high-voltage isolating switch, wherein a first static contact, a second static contact and a binding post are arranged on a mounting seat. The first and second static contacts used for being respectively connected with corresponding moving contacts are arranged on the mounting seat through a correspondingly arranged fixed bracket. The binding post is electrically connected with the first and second static contacts through a conductive means respectively. According to the technical scheme of the utility model, the mounting seat of the combined type static contact assembly is provided with two sets of static contacts through a fixed bracket. The two static contacts are connected with a switch at the valve side of a smoothing reactor of a DC polar line and an isolating switch of a bypass bus respectively, so that two sets of isolating switches share the single set of static contact assembly. Therefore, the land resource is saved for the construction of a power station, while the construction speed is increased to shorten the installation period. Especially, since one less static contact assembly is adopted, the purchase cost of DC isolating switches is saved by about RMB 200,000 Yuan. Thus, the investment on a power station is lowered and the installation and maintenance cost is also reduced.
Description
Technical field
The utility model relates to a kind of high voltage switchgear, and definite saying relates to a kind of high-voltage isolating switch static contact head assembly.
Background technology
At present; domestic; in the outer DC transmission engineering; what the flat anti-valve side isolating switch of polar curve and hospital bus bar isolating switch adopted is two direct-current isolating switchs of installing separately; take the 816KV direct-current isolating switch as example; the price of separate unit 816KV direct-current isolating switch is about 2,000,000 yuan; two isolating switches just need nearly 4,000,000 yuan; cause the power plant construction investment larger; and the installation period of two direct-current isolating switchs is longer; the cost of operation and maintenance is also higher; also need to take larger land area during installation, namely be unfavorable for the energy conservation utilization, also do not meet the requirement of environmental protection.
The utility model content
The purpose of this utility model is: a kind of Combined type static contact assembly of high voltage isolator is provided, so that two cover isolating switches can share a cover fixed contact, thereby solves the problem that independent high voltage isolator floor space of installing is large, investment is higher.
The technical solution of the utility model is: a kind of high voltage isolator Combined type static contact assembly, comprise mount pad, the fixed support by the correspondence setting on described mount pad is equipped with for the first fixed contact that is connected with corresponding moving contact respectively and the second fixed contact and the binding post that is electrically connected with this first fixed contact and the second fixed contact respectively by electric installation.
Described the first fixed contact and the second fixed contact are assemblied on the fixed support by horizontally disposed hinge axis respectively, the pivot center of two fixed contacts is positioned at same plane and mutually vertical, is provided with in the described electric installation for the compliant conductive band that connects respectively the first fixed contact and the second fixed contact.。
Described fixed support comprises that relative spacing is arranged on the column of corresponding fixed contact both sides, and corresponding two column relative spacings are provided with two connecting plates on described terminal block, and described hinge axis is arranged between the adjacent connecting plate and column.
Described electric installation comprises that relative spacing is arranged on the left and right conductive plate on the binding post, and described the first fixed contact and the second fixed contact arrange conductive strips and corresponding electrical connection of described left and right conductive plate by corresponding respectively.
Described fixed contact comprises fingertip, this fingertip is vertically fixed on the corresponding terminal block that arranges, peripheral concentric locking collar at fingertip is provided with guide housing, and an end of guide housing is cylindrical structure and is fixedly connected with terminal block, and its other end is provided with and outwards enlarges gradually the guide part that is bell-mouth structure of air.
Slip cap is provided with protective cover on described fingertip, and is top-loaded with elastic component between protective cover and terminal block, and radial convex is provided with the gear edge that cooperates with protective cover outer surface block on the inwall of guide housing.
Between described protective cover and fingertip, be provided with lubricated circle.
Combined type static contact assembly of the present utility model is by fixed support two cover fixed contacts to be installed on mount pad, two fixed contacts are connected with the flat anti-valve side isolating switch of polar curve and hospital bus bar isolating switch respectively, make two cover isolating switches share a cover static contact component, thereby aspect the construction in power station, not only saved land resource, and can improve construction speed, save installation period, particularly reduced the purchase cost about 200,000 yuan that to save direct-current isolating switch behind the static contact component, thereby reduced the investment in power station, and reduced the installation and maintenance cost.
Description of drawings
Fig. 1 is the front view of the utility model high voltage isolator Combined type static contact assembly specific embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of the first fixed contact among Fig. 1.
Embodiment
The implementation of high voltage isolator Combined type static contact assembly of the present utility model is Fig. 1, Fig. 2, shown in Figure 3 for example, this Combined type static contact assembly is by the fixed support of correspondence setting two the first fixed contacts 4 that are connected with corresponding direct-current isolating switch moving contact respectively and the second fixed contact 8 to be installed on mount pad 1, also be fixed with binding post 2 on mount pad 1, this first fixed contact 4 is electrically connected with this binding post 2 by the electric installation of corresponding setting respectively with the second fixed contact 8.Wherein, the first fixed contact 4 is identical with the structure of the second fixed contact 8, be provided with the first terminal block 14 in the first fixed contact 4, be provided with the second terminal block 14 ' in the second fixed contact 8, this sentences the first fixed contact 4 and is example, as shown in Figure 3, vertically be fixed with fingertip 22 on the terminal block 14, the peripheral concentric locking collar of fingertip 22 is provided with guide housing 18, and an end of this guide housing 18 is cylindrical structure and is fixedly connected with terminal block 14, and the other end is provided with and outwards enlarges gradually the guide part that is bell-mouth structure of air.Slip cap is provided with protective cover 20 on fingertip 22, is top-loaded with spring 19 between protective cover 20 and terminal block 14, and spring 19 is set on the fingertip 22, radially is provided with the inwardly gear edge of outstanding and corresponding protective cover 20 outer surface blocks cooperation on the inwall of guide housing 18.For increasing the sealing between protective cover 20 and the fingertip 22, it also is provided with lubricated circle 21 between protective cover 20 and fingertip 18.Sheathed protective cover on fingertip can effectively solve the impact that isolation switch contact is subject to the direct current adsorption effect, guarantees the reliable contact between the rear dynamic and static contact of isolating switch combined floodgate.And thereby lubricated circle 21 mainly is to reduce the frictional force that protective cover 20 produces between the mobile and contact in isolating switch divide-shut brake process, guarantees that the isolating switch moving contact can insert fixed contact smoothly and accurately.
Fixed support comprises the column 3 that vertically is fixed on respectively corresponding fixed contact 4,8 both sides, top bridge joint at two relative columns 3 has fixed head 5, the column relative spacing of corresponding its both sides is provided with connecting plate 7 respectively on two fixed contacts 4,8 terminal block 14, level is provided with hinge axis between adjacent connecting plate 7 and column 3, the coaxial setting of two hinge axis of each fixed contact, thereby two fixed contacts 4,8 are hinged on respectively in the corresponding fixed support and by corresponding hinge axis can about deflection, it cooperates with guide housing 18 is convenient to isolating switch and closes a floodgate smoothly.
Electric installation comprise relative spacing be arranged on left conductive plate 12 on the binding post 2 and right conductive plate 15, the first fixed contacts 4 by be connected to the first left conductive strips 13 on its terminal block 14 and the first right conductive strips 16 respectively with left conductive plate 12 and the 15 corresponding electrical connections of right conductive plate; On the second fixed contact 8 respectively by be connected to the second left conductive strips 6 on its terminal block 14 ', the second right conductive strips 11 respectively with left conductive plate 12, the 15 corresponding electrical connections of right conductive plate.It utilizes conductive strips and conductive plate to realize reliably being electrically connected between two fixed contacts and binding post, not only can utilize the pliability of conductive strips to avoid it in isolating switch divide-shut brake process fixed contact to be swung up and down impacts, and this altogether static contact structure can satisfy DC transmission system to the requirement of direct-current isolating switch through-current capability, and can reduce the production cost of direct-current isolating switch, the floor space of minimizing equipment, the effective utilization that improves land resource.
Also be fixed with in the bottom of mount pad 1 for the mounting panel 9 that is connected with the fixed contact installing rack.
Combined type static contact assembly of the present utility model is installed in the fixed contact of two cover direct-current isolating switchs on the mount pad; and between two fixed contacts, form reliable the electrical connection by conductive plate and conductive strips; thereby make two direct-current isolating switchs share a cover fixed contact; it compared with prior art; can be less with 3 post porcelain vases; 2 grading rings and 2 supports are welded; saved raw-material input; approximately can save 200,000 yuan of costs; reduced the production cost of direct-current isolating switch; and the maintenance cost of direct-current isolating switch also lowers to some extent; plan according to State Grid Corporation of China " 12 "; to build during this time 8 ± 800kV extra-high voltage direct-current transmission engineering; be total to the fixed contact direct-current isolating switch according to each 2 of current conversion station configuration; the market share is 60% calculating; about 3,840,000 yuan of escapable costs; it has not only accelerated the construction speed in power station; shortened the construction period; and be conducive to reduce the cost of whole DC transmission engineering; be the DC transmission engineering construction of China input of economizing on the use of funds; simultaneously; two fixed contact direct-current isolating switch structure is more compact altogether; reduced the floor space in power station; can improve effective utilization of land resource; promote the protection of China's limited resources; meet the requirement of present environmental protection, have good economic benefit and social benefit.
The utility model is not limited to above-described embodiment, can also adopt conductive strips or conductive plate directly to be electrically connected between two fixed contacts and the binding post; The spring that is set on the fixed contact fingertip can also adopt other elastic components such as tower spring, dish spring; Angle between two fixed contacts also can arrange as required, and above each technical scheme is all within protection range of the present utility model.
Claims (7)
1. high voltage isolator Combined type static contact assembly, comprise mount pad, it is characterized in that, the fixed support by the correspondence setting on described mount pad is equipped with for the first fixed contact that is connected with corresponding moving contact respectively and the second fixed contact and the binding post that is electrically connected with this first fixed contact and the second fixed contact respectively by electric installation.
2. high voltage isolator Combined type static contact assembly according to claim 1, it is characterized in that, described the first fixed contact and the second fixed contact are assemblied on the fixed support by horizontally disposed hinge axis respectively, the pivot center of two fixed contacts is positioned at same plane and mutually vertical, is provided with in the described electric installation for the compliant conductive band that connects respectively the first fixed contact and the second fixed contact.
3. high voltage isolator Combined type static contact assembly according to claim 2, it is characterized in that, described fixed support comprises that relative spacing is arranged on the column of corresponding fixed contact both sides, corresponding two column relative spacings are provided with two connecting plates on described terminal block, and described hinge axis is arranged between the adjacent connecting plate and column.
4. high voltage isolator Combined type static contact assembly according to claim 2, it is characterized in that, described electric installation comprises that relative spacing is arranged on the left and right conductive plate on the binding post, and described the first fixed contact and the second fixed contact be the compliant conductive band and corresponding electrical connection of described left and right conductive plate by corresponding setting respectively.
5. according to claim 1 to the described high voltage isolator Combined type static contact of 4 any one assembly, it is characterized in that, described fixed contact comprises fingertip, this fingertip is vertically fixed on the corresponding terminal block that arranges, peripheral concentric locking collar at fingertip is provided with guide housing, one end of guide housing is cylindrical structure and is fixedly connected with terminal block, and its other end is provided with and outwards enlarges gradually the guide part that is bell-mouth structure of air.
6. high voltage isolator Combined type static contact assembly according to claim 5; it is characterized in that; slip cap is provided with protective cover on described fingertip; and between protective cover and terminal block, being top-loaded with elastic component, radial convex is provided with the gear edge that cooperates with protective cover outer surface block on the inwall of guide housing.
7. high voltage isolator Combined type static contact assembly according to claim 5 is characterized in that, is provided with lubricated circle between described protective cover and fingertip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220052361 CN202721064U (en) | 2012-02-17 | 2012-02-17 | Combined type static contact assembly of high-voltage isolating switch |
| PCT/CN2012/000898 WO2013120237A1 (en) | 2012-02-17 | 2012-06-30 | Novel fixed contact sharing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220052361 CN202721064U (en) | 2012-02-17 | 2012-02-17 | Combined type static contact assembly of high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721064U true CN202721064U (en) | 2013-02-06 |
Family
ID=47622876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220052361 Expired - Lifetime CN202721064U (en) | 2012-02-17 | 2012-02-17 | Combined type static contact assembly of high-voltage isolating switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202721064U (en) |
| WO (1) | WO2013120237A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN110853968A (en) * | 2018-08-21 | 2020-02-28 | 西安西电高压开关有限责任公司 | Isolating switch and sealing reset device of static contact of isolating switch |
| CN112750647A (en) * | 2020-12-11 | 2021-05-04 | 平高集团有限公司 | Static contact of grounding switch and straight-swinging plug-in type grounding switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974620A (en) * | 1995-09-07 | 1997-03-18 | Meidensha Corp | Switching device |
| CN201048104Y (en) * | 2007-03-07 | 2008-04-16 | 湖南长高高压开关集团股份公司 | 1100kV extra-high voltage ground switch |
| CN102290773B (en) * | 2011-08-25 | 2013-12-25 | 中国电力工程顾问集团西南电力设计院 | Wiring method for realizing full-automatic operation of direct-current deicing of line |
-
2012
- 2012-02-17 CN CN 201220052361 patent/CN202721064U/en not_active Expired - Lifetime
- 2012-06-30 WO PCT/CN2012/000898 patent/WO2013120237A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023793A (en) * | 2015-06-26 | 2015-11-04 | 中国西电电气股份有限公司 | Conductive structure of extra-high-voltage DC isolating switch |
| CN110853968A (en) * | 2018-08-21 | 2020-02-28 | 西安西电高压开关有限责任公司 | Isolating switch and sealing reset device of static contact of isolating switch |
| CN110853968B (en) * | 2018-08-21 | 2021-11-19 | 西安西电高压开关有限责任公司 | Isolating switch and sealing reset device of static contact of isolating switch |
| CN112750647A (en) * | 2020-12-11 | 2021-05-04 | 平高集团有限公司 | Static contact of grounding switch and straight-swinging plug-in type grounding switch |
| CN112750647B (en) * | 2020-12-11 | 2023-09-01 | 平高集团有限公司 | Grounding switch static contact and straight swing plug-in type grounding switch |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013120237A1 (en) | 2013-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PINGGAO GROUP CO., LTD. PINGGAO ELECTRIC CO., LTD. Free format text: FORMER OWNER: PINGGAO ELECTRIC CO., LTD., HENAN Effective date: 20140314 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: PINGGAO GROUP CO., LTD. Effective date: 20140314 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 467001 PINGDINGSHAN, HENAN PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140314 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Pinggao Group Co., Ltd. Patentee after: Pinggao Electric Co., Ltd., Henan Patentee after: State Grid Henan Electric Power Company Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. Patentee before: Pinggao Electric Co., Ltd., Henan |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |
|
| CX01 | Expiry of patent term |