CN208834967U - Disconnecting switch with bus switching current device - Google Patents
Disconnecting switch with bus switching current device Download PDFInfo
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- CN208834967U CN208834967U CN201821453132.XU CN201821453132U CN208834967U CN 208834967 U CN208834967 U CN 208834967U CN 201821453132 U CN201821453132 U CN 201821453132U CN 208834967 U CN208834967 U CN 208834967U
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- contact
- sliding bar
- static contact
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- lining
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Abstract
Disconnecting switch with bus switching current device, including upper contact tube and static contact, bus switching current device is equipped in upper contact tube, bus switching current device includes auxiliary static contact, assist moving contact, conductive sliding bar, electroconductive elastic sheet, reset spring and lining, conductive sliding bar, electroconductive elastic sheet, reset spring and lining are set in upper contact tube, lining is placed on outside conductive sliding bar, electroconductive elastic sheet is fixed on lining, dynamic fingertip is set between conductive sliding bar and upper conductive inside pipe wall, lining is fixed on upper contact tube together with dynamic fingertip, long draw is equipped in conductive sliding bar, reset spring is set to below conductive sliding bar and is set on long draw, conductive sliding bar top is equipped with insulated column, insulated column is set on long draw, moving contact is assisted to be set to the top of upper contact tube, static contact is assisted to be set to the bottom end of static contact.The utility model can ensure that dynamic fingertip and static contact will not all generate electric arc when being contacting and separating, and improve the service life of equipment.
Description
Technical field
The utility model relates to disconnecting switch, are specifically related to a kind of disconnecting switch with bus switching current device.
Background technique
At present at home in bus arrangement mode, double bus scheme is a kind of more typical mode of connection, and double-bus is fallen
Bus operation is the most common operating condition of opening-closing bus switching current, and transmitting current of isolation switch switching bus bar (is commonly called as circulation), is
In normal operation, it is opened or closed with disconnecting switch and to be made of inside electric substation same voltage class equipment and bus
Electrical closed loop, to realize the operation of transfer load electric current.
Existing common disconnecting switch moves fingertip and static contact in the Shi Douhui that is contacting and separating without bus switching current device
Generate electric arc, when such as grasping this double-bus operation of falling bus using common disconnecting switch, static contact isolation switch and dynamic fingertip meeting
Scaling loss is serious, reduces the service life of equipment.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcomings of above-mentioned background technique, is provided a kind of with mother
The disconnecting switch of line switching current device, it is ensured that dynamic fingertip and static contact will not all generate electric arc when being contacting and separating, and improve
The service life of equipment.
The utility model solve its technical problem the technical solution adopted is that, it is a kind of with bus switching current device every
Pass, including upper contact tube and static contact are left, static contact is set to above upper contact tube, and dynamic fingertip is equipped in upper contact tube, described
Be equipped with bus switching current device in upper contact tube, the bus switching current device include auxiliary static contact, auxiliary moving contact,
Conductive sliding bar, electroconductive elastic sheet, reset spring and lining, the conduction sliding bar, electroconductive elastic sheet, reset spring and lining are set to
In upper contact tube, the lining is placed on outside conductive sliding bar, and the electroconductive elastic sheet is fixed on lining, it is described conduction sliding bar with
Electroconductive elastic sheet is sliding contact, and the dynamic fingertip is set between conductive sliding bar and upper conductive inside pipe wall, the lining and dynamic touching
Finger is fixed on contact tube together, and long draw is equipped in the conduction sliding bar, and the reset spring is set to conductive sliding bar
Lower section and be set to long draw on, conductive sliding bar top be equipped with insulated column, insulated column be set to long draw on, the auxiliary moving contact
Set on the top of upper contact tube, the auxiliary static contact is set to the bottom end of static contact.
Further, the auxiliary moving contact top is the cambered surface being recessed inwardly, and the bottom end of the auxiliary static contact is outside
The recess cambered surface of cambered surface outstanding, the protrusion cambered surface and auxiliary moving contact that assist static contact is coincide.
Further, the auxiliary moving contact is set in insulated column by long draw；Auxiliary connecting rod is equipped in the static contact,
Static contact is stretched out in auxiliary connecting rod lower end, and the auxiliary static contact is set to auxiliary connecting rod lower end.
Compared with prior art, as follows the advantages of the utility model: moving contact and auxiliary static contact are assisted in making process
It first contacts, during separating brake, auxiliary moving contact is finally separating with auxiliary static contact, it is ensured that dynamic fingertip is contacting and dividing with static contact
From when will not all generate electric arc, achieve the purpose that protect dynamic fingertip and static contact, improve the service life of equipment；Bus conversion electricity
It flows device to be set in upper contact tube, has a preferable antifouling effect for open air use, internal hidden type structure, which can guarantee, assists static contact, auxiliary
The arcing contact galvanic circle of power-assist contact is not influenced by open-air conditions, guarantees the reliability that bus switching current device closes a floodgate.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is the utility model embodiment auxiliary moving contact and static contact is assisted just to contact.
Fig. 2 is the structural schematic diagram after the utility model embodiment is closed a floodgate.
In figure: 1-static contact, 2-auxiliary static contacts, 3-auxiliary moving contacts, 4-dynamic fingertips, 5-conductive sliding bars,
6-electroconductive elastic sheets, 7-upper contact tubes, 8-reset springs, 9-linings, 10-long draws, 11-insulated columns, 12-auxiliary are drawn
Bar.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Referring to Fig.1,2, the present embodiment includes upper contact tube 7 and static contact 1, and static contact 1 is set to upper 7 top of contact tube, on
It is equipped with dynamic fingertip 4 in contact tube 7, bus switching current device is equipped in upper contact tube 7, bus switching current device includes auxiliary
Static contact 2, auxiliary moving contact 3, dynamic fingertip 4, conductive sliding bar 5, electroconductive elastic sheet 6, reset spring 8 and lining 9, conductive sliding bar
5, electroconductive elastic sheet 6, reset spring 8 and lining 9 are set in upper contact tube 7, and lining 9 is placed on outside conductive sliding bar 5, electroconductive elastic sheet 6
It is fixed on lining 9, conductive sliding bar 5 is sliding contact with electroconductive elastic sheet 6, moves fingertip 4 and is set to conductive sliding bar 5 and upper conduction
Between 7 inner wall of pipe, lining 9 is fixed on upper contact tube 7 together with dynamic fingertip 4, and long draw 10 is equipped in conductive sliding bar 5, multiple
Position spring 8 is set to conductive 5 lower section of sliding bar and is set on long draw 10, and conductive 5 top of sliding bar is equipped with insulated column 11, insulated column
11 are set on long draw 10；Moving contact 3 is assisted to be set to the top of upper contact tube 7, auxiliary static contact 2 is set to the bottom end of static contact 1；
Assisting 3 top of moving contact is the cambered surface being recessed inwardly, and auxiliary moving contact 3 is set in insulated column 11 by long draw 10；Static contact 1
Interior to be equipped with auxiliary connecting rod 12, static contact 1 is stretched out in 12 lower end of auxiliary connecting rod, and auxiliary static contact 2 is set to 12 lower end of auxiliary connecting rod, auxiliary
The bottom end of static contact 2 is outwardly projecting cambered surface, and the recess cambered surface of the protrusion cambered surface and auxiliary moving contact 3 that assist static contact 2 is kissed
It closes.
The bus switching current device of the utility model is set in upper contact tube 7, has preferable antifouling work for open air use
With internal hidden type structure can guarantee auxiliary static contact 2, the arcing contact galvanic circle of moving contact 3 is assisted not influenced by open-air conditions, protect
Demonstrate,prove the reliability that bus switching current device closes a floodgate；Moving contact 3 is assisted first to contact in making process with auxiliary static contact 2, separating brake
In the process, auxiliary moving contact 3 and auxiliary static contact 2 are finally separating, it is ensured that move fingertip 4 and static contact 1 when being contacting and separating all
Electric arc will not be generated, achievees the purpose that protect dynamic fingertip 4 and static contact 1, improves the service life of equipment.
When disconnecting switch is closed a floodgate, upper contact tube 7 moves upwards under the action of actuating force, assists moving contact 3 with upper conduction
Pipe 7 is moved to auxiliary 2 direction of static contact together, arc burning is generated before auxiliary moving contact 3, auxiliary static contact 2 contact, auxiliary
During power-assist contact 3 moves upwards, auxiliary moving contact 3 is contacted and is withstood with auxiliary static contact 2, go up at this time contact tube 7 after
Continuous to move upwards, auxiliary moving contact 3 is moved downward with auxiliary static contact 2 relative to upper contact tube 7, the reset in upper contact tube 7
Spring 8 gradually reduces, and compressed reset spring 8 makes to assist contacting between moving contact 3 and auxiliary static contact 2 well, and electric current is logical
It crosses conductive sliding bar 5 to be transmitted on electroconductive elastic sheet 6, electroconductive elastic sheet 6 is transferred on upper contact tube 7 electric current, leads electric current formation
Electrical circuit, electric arc extinguish therewith.
During compressed, static contact 1 contacts dynamic fingertip 4 gradually and is inserted into reset spring 8 in upper contact tube 7
In dynamic fingertip 4, the contact pressure that fingertip 4 keeps constant static contact 1 is moved.The dynamic fingertip 4 of operator lock is initially inserted into static contact 1
Before, the effect of bus switching current device already connects galvanic circle, is connecing the dynamic fingertip 4 of operator lock with static contact 1
Electric arc will not be generated when touching, after the dynamic fingertip 4 and 1 reliable contacts of static contact for lock of operating form shunt circuit, turn operating current
It moves on to by moving the major loop that fingertip 4 and static contact 1 are formed and undertakes, the major loop resistance that dynamic fingertip 4 and static contact 1 are formed is more
Small, operator lock, which moves to closing position and closes operation, to be terminated.
When disconnecting switch separating brake, upper contact tube 7 moves downward under the action of operating force, the dynamic fingertip 4 of major loop with it is quiet
Contact 1 first disconnects, and under the action of reset spring 8, then keeps reliably contacting by auxiliary moving contact 3, auxiliary static contact 2 at this time
And form galvanic circle, it is ensured that dynamic fingertip 4 will not generate electric arc when separating with static contact 1；As upper contact tube 7 continues downwards
Movement, auxiliary moving contact 3 and auxiliary static contact 2 are initially separated and generate arc burning, with the sky continued between two contact of separating brake
Increasing makes arc extinction to gas distance rapidly, and operator lock moves to open position, and cut-offfing operation terminates.
Those skilled in the art can carry out various modifications to the utility model and modification, if these modifications and variations
Within the scope of the claims of the present invention and its equivalent technology, then these modifications and variations are also in the guarantor of the utility model
Within the scope of shield.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (3)
1. a kind of disconnecting switch with bus switching current device, including upper contact tube (7) and static contact (1), static contact (1)
It above upper contact tube (7), is equipped in upper contact tube (7) dynamic fingertip (4), it is characterised in that: set in the upper contact tube (7)
There is bus switching current device, the bus switching current device includes auxiliary static contact (2), assists moving contact (3), is conductive sliding
Lever (5), electroconductive elastic sheet (6), reset spring (8) and lining (9), the conduction sliding bar (5), reset bullet at electroconductive elastic sheet (6)
Spring (8) and lining (9) are set in upper contact tube (7), and the lining (9) is placed on conductive sliding bar (5) outside, the electroconductive elastic sheet
(6) it is fixed on lining (9), the conduction sliding bar (5) and electroconductive elastic sheet (6) is sliding contact, and the dynamic fingertip (4) is set to
Between conductive sliding bar (5) and upper contact tube (7) inner wall, the lining (9) and dynamic fingertip (4) are fixed on contact tube together
(7) on, long draw (10) are equipped in the conduction sliding bar (5), the reset spring (8) is set to below conductive sliding bar (5)
And be set on long draw (10), conductive sliding bar (5) top is equipped with insulated column (11), and insulated column (11) is set to long draw (10)
On, auxiliary moving contact (3) is set to the top of upper contact tube (7), and auxiliary static contact (2) is set to the bottom of static contact (1)
End.
2. having the disconnecting switch of bus switching current device as described in claim 1, it is characterised in that: the dynamic touching of auxiliary
Head (3) top is the cambered surface being recessed inwardly, and the bottom end of auxiliary static contact (2) is outwardly projecting cambered surface, assists static contact
(2) the recess cambered surface of protrusion cambered surface and auxiliary moving contact (3) is coincide.
3. having the disconnecting switch of bus switching current device as claimed in claim 1 or 2, it is characterised in that: the auxiliary
Moving contact (3) is set in insulated column (11) by long draw (10)；Auxiliary connecting rod (12) are equipped in the static contact (1), auxiliary
Static contact (1) is stretched out in pull rod (12) lower end, and the auxiliary static contact (2) is set to auxiliary connecting rod (12) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453132.XU CN208834967U (en) | 2018-09-06 | 2018-09-06 | Disconnecting switch with bus switching current device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453132.XU CN208834967U (en) | 2018-09-06 | 2018-09-06 | Disconnecting switch with bus switching current device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834967U true CN208834967U (en) | 2019-05-07 |
Family
ID=66312121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453132.XU Active CN208834967U (en) | 2018-09-06 | 2018-09-06 | Disconnecting switch with bus switching current device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087826A (en) * | 2018-09-06 | 2018-12-25 | 湖南长高高压开关有限公司 | A kind of disconnecting switch with bus switching current device |
-
2018
- 2018-09-06 CN CN201821453132.XU patent/CN208834967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087826A (en) * | 2018-09-06 | 2018-12-25 | 湖南长高高压开关有限公司 | A kind of disconnecting switch with bus switching current device |
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