CN107785206A - A kind of earthed switch and its contact assembly and contact - Google Patents
A kind of earthed switch and its contact assembly and contact Download PDFInfo
- Publication number
- CN107785206A CN107785206A CN201711105736.5A CN201711105736A CN107785206A CN 107785206 A CN107785206 A CN 107785206A CN 201711105736 A CN201711105736 A CN 201711105736A CN 107785206 A CN107785206 A CN 107785206A
- Authority
- CN
- China
- Prior art keywords
- contact
- conductive
- static contact
- earthed switch
- 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.)
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Classifications
-
- 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
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- 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
- H01H31/026—Movable parts and contacts mounted thereon
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention relates to controller switching equipment technical field, and in particular to a kind of earthed switch and its contact assembly and contact.A kind of earthed switch, including contact assembly, contact assembly include the static contact and moving contact that conductive inserting coordinates, and arranged for interval has multiple conductive bumps extended along dynamic and static contact grafting direction on static contact and/or moving contact.The earthed switch of the present invention realizes being conductively connected for static contact and moving contact using multiple spaced apart conductive bumps, while contact area and contact is increased to improve breaking capacity, also the smooth disengaging of moving contact during separating brake is ensured, simple in construction, contact is reliable.
Description
Technical field
The present invention relates to controller switching equipment technical field, and in particular to a kind of earthed switch and its contact assembly and contact.
Background technology
Earthed switch plays vital effect in electrical power distribution system, and different earthed switches is because of its material and knot
The difference of structure, there is also very big difference, the breaking capacity of earthed switch to refer to its safety cut-off fault current for its breaking capacity
Ability, breaking capacity together decides on by many factors such as contact material, contact area, contact pressures.With society
Development, the earthed switch of low disjunction gradually can not meet the demand of society, the earthed switch of high breaking in power domain increasingly
Favored.Under normal circumstances, the contact area of contact is bigger during combined floodgate, and it is stronger that it bears the ability of high current, breaking capacity
Also it is higher.But the contact area of contact is also not the bigger the better, and when needing to open a sluice gate, stronger sensing can be produced between contact
Electric current, so that producing electromagnetic force between contact, contact surface, which crosses conference, causes contact to not readily disengage from disconnection.
Authorization Notice No. is that CN103295828B patent of invention discloses a kind of side-mounted indoor high-voltage isolating switch, is wrapped
Installation chassis, supporting insulator, upper static contact, lower static contact, movable touch knife, movable touch knife rotating shaft, grounding contact and handle structure are included,
Wherein upper static contact is in piece shape, and movable touch knife upper end is in fork-shaped, and during combined floodgate, the piece shape end of upper static contact is stuck in the forked end of movable touch knife
It is interior.Make full use of contact area by the way that upper static contact is kept flat in the invention, moving contact and static contact by " face contacts " come
Increase contact area, but successional contact surface is excessive may be because of the electromagnetic attraction mistake between dynamic and static contact when needing separating brake
Cause moving contact to be not easily disconnected from greatly, potential safety hazard be present.
The content of the invention
It is an object of the invention to provide a kind of earthed switch, to solve to adopt between moving contact and static contact in the prior art
Because of the technology that can not be smoothly disconnected when large area continuously contacts and makes moving contact separating brake when increasing contact area with " face contact " mode
Problem.The present invention also provides a kind of contact assembly and contact.
To achieve the above object, the technical scheme 1 that earthed switch of the invention uses：A kind of earthed switch, including contact
Component, contact assembly include the static contact and moving contact that conductive inserting coordinates, arranged for interval on the static contact and/or moving contact
There are multiple conductive bumps extended along dynamic and static contact grafting direction.
The beneficial effects of the invention are as follows：The earthed switch of the present invention realizes stationary contact using multiple spaced apart conductive bumps
Head and moving contact be conductively connected, the multiple conductive bumps dynamic and static contact of increase total contact area, and because each conductive bumps with
The contact being subject in the presence of identical thrust for inserting the respective contacts coordinated becomes big, is connect increasing dynamic and static contact
Contacting surface also increases contact while product, substantially increases the breaking capacity of earthed switch, also ensure that dynamic during separating brake touch
The smooth disengaging of head, simple in construction, contact is reliable.
Improved on the basis of the technical scheme 1 of earthed switch and obtain technical scheme 2：The conductive bumps extend to accordingly
Along the both ends in dynamic and static contact grafting direction on contact.
Improved on the basis of the technical scheme 2 of earthed switch and obtain technical scheme 3：The conductive bumps are justified for outer surface
Slip over the arcuate structure crossed.Conductive bumps are contributed to realize that being oriented to inserting coordinates using arcuate structure.
Improved on the basis of the technical scheme 1 or 2 or 3 of earthed switch and obtain technical scheme 4：The static contact touches with dynamic
One of them of head is conductive slot structure, and another is the conducting strip structure coordinated with conductive trough inserting, and the conductive bumps are set
On conducting strip structure.
Improved on the basis of the technical scheme 4 of earthed switch and obtain technical scheme 5：Between the outside of the conductive slot structure
Spacer is equipped with least two elastic components for providing thrust.Contact is increased, is advantageous to further to improve ground connection and opens
The breaking capacity of pass.
Improved on the basis of the technical scheme 5 of earthed switch and obtain technical scheme 6：The elastic component is cuff in described
Turn in conductive slot structure.
Improved on the basis of the technical scheme 1 or 2 or 3 of earthed switch and obtain technical scheme 7：The length of the static contact
Direction is perpendicular to dynamic and static contact grafting direction, and width is parallel to dynamic and static contact grafting direction, and the length ruler of static contact
It is very little to be more than its width dimensions.Static contact, which is kept flat, can make full use of contact area.
Improved on the basis of the technical scheme 7 of earthed switch and obtain technical scheme 8：The earthed switch also includes and ground
The insulator for being used to support fixed static contact that face is placed in parallel, the static contact are arranged on the projecting end of insulator, static contact
Length direction it is parallel with the length direction of insulator, one end of the remote static contact of insulator is hinged with disconnecting link, described dynamic to touch
Head is arranged on the disconnecting link.
The technical scheme 1 that the contact assembly of the present invention uses：A kind of contact assembly, including the static contact that conductive inserting coordinates
And moving contact, arranged for interval has multiple conductive studs extended along dynamic and static contact grafting direction on the static contact and/or moving contact
Rise.
Improved on the basis of the technical scheme 1 of contact assembly and obtain technical scheme 2：The conductive bumps extend to accordingly
Along the both ends in dynamic and static contact grafting direction on contact.
Improved on the basis of the technical scheme 2 of contact assembly and obtain technical scheme 3：The conductive bumps are justified for outer surface
Slip over the arcuate structure crossed.
Improved on the basis of the technical scheme 1 or 2 or 3 in contact assembly and obtain technical scheme 4：The static contact and dynamic
One of them of contact is conductive slot structure, and another is to insert the conducting strip structure coordinated, the conductive bumps with conductive trough
It is located on conducting strip structure.
Improved on the basis of the technical scheme 4 of contact assembly and obtain technical scheme 5：Between the outside of the conductive slot structure
Spacer is equipped with least two elastic components for providing thrust.
Improved on the basis of the technical scheme 5 of contact assembly and obtain technical scheme 6：The elastic component is cuff in described
Turn in conductive slot structure.
The technical scheme 1 that the contact of the present invention uses：A kind of contact, the contact are used to match somebody with somebody with the conductive inserting of corresponding electric-conductor
Close, arranged for interval there are multiple conductive bumps extended along the grafting direction of the contact and corresponding electric-conductor on the contact.
Improved on the basis of the technical scheme 1 of contact and obtain technical scheme 2：The conductive bumps extend to the contact
On along its both ends with the grafting direction of corresponding electric-conductor.
Improved on the basis of the technical scheme 2 of contact and obtain technical scheme 3：The conductive bumps are the round and smooth mistake in outer surface
The arcuate structure crossed.
Improved on the basis of the technical scheme 1 or 2 or 3 of contact and obtain technical scheme 4：The contact is conducting strip knot
Structure, the conductive bumps are located on conducting strip structure.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of earthed switch provided by the present invention；
Fig. 2 is the top view of static contact in earthed switch shown in Fig. 1；
Fig. 3 is the top view of moving contact in earthed switch shown in Fig. 1；
Fig. 4 is the structural representation of static contact in contact assembly provided by the present invention；
Fig. 5 is the structural representation of moving contact in contact assembly provided by the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the earthed switch of the present invention：
As shown in Figure 1 to Figure 3, a kind of earthed switch, including contact assembly, contact assembly include the He of static contact 1 of conductive inserting
Arranged for interval has multiple conductive bumps extended along dynamic and static contact grafting direction on moving contact 2, static contact 1 and/or moving contact 2.
Earthed switch includes being used for the insulator 3 for supporting fixed static contact 1, and 3 placement parallel to the ground of insulator is that is, flat
Put, static contact 1 is arranged on the projecting end of insulator 3, and the length direction of static contact 1 is parallel and vertical with the length direction of insulator 3
Directly in static contact 1 and the grafting direction of moving contact 2, the width of static contact 1 parallel to static contact 1 and the grafting direction of moving contact 2,
And the length dimension of static contact 1 is more than its width dimensions, i.e. static contact 1 also uses flat manner to make full use of contact area,
One end of the remote static contact 1 of insulator 3 is hinged with disconnecting link, and moving contact 2 is arranged on disconnecting link.
Static contact 1 is conducting strip structure, and the surface of static contact 1 is interval with multiple conductive bumps 11 in strip distribution,
Conductive bumps 11 extend to the both ends of static contact 1 along static contact 1 and the grafting direction of moving contact 2, and conductive bumps 11 have three, led
Electric projection 11 is outer surface rounding off for static contact 1 to be oriented into the arcuate structure inserted in moving contact 2.
Moving contact 2 forms conductive slot structure by two contacts being fixed together by steady pin 21, conductive slot structure
Outside spacers are set with least two springs 22 for being used to provide thrust, it is preferable that the upper and lower sides interval hoop of conductive slot structure
It is cased with two turns 22.
During combined floodgate, opened in the presence of conductive bumps 11 of the moving contact 2 on static contact 1 so that static contact 1 is smoothly oriented to
Insert in moving contact 2, turn 22 provides that sufficiently large thrust makes static contact 1 and moving contact 2 contacts firm, increases contact
Pressure but not the smooth disengaging disconnection for influenceing moving contact 2 during separating brake.Connect additionally by three conductive bumps 11 are set with increasing
Contacting surface product but not continuous surface is excessive causes moving contact 2 during separating brake to be bonded with static contact 1 because of contact, so that earthed switch divides
Cutting capacity greatly increases.
In the present embodiment, moving contact is conductive slot structure, and static contact is conducting strip structure, in other embodiments, is moved
Contact can also conductive slot structure, static contact is conducting strip structure.
In the present embodiment, conductive bumps are located on static contact, in other embodiments, can also be set on moving contact.
In the present embodiment, conductive bumps are arcuate structures, in other embodiments or other structures.
In the present embodiment, conductive bumps are provided with three, in other embodiments, can also be provided with two or more.
In the present embodiment, elastic component is turn, and in other embodiments, elastic component can also be that other can be provided
The elastic construction of thrust, such as there is the spring steel plate of angle.
The specific embodiment of the contact assembly of the present invention：
As shown in Figures 4 and 5, a kind of contact assembly, including the static contact 10 and moving contact 20 that conductive inserting coordinates, static contact 10
And/or arranged for interval has multiple conductive bumps extended along dynamic and static contact grafting direction on moving contact 20.
Static contact 10 is conducting strip structure, and the surface of static contact 10 is interval with multiple conductive bumps in strip distribution
101, conductive bumps 101 extend to the end of static contact 10 along static contact 10 and the grafting direction of moving contact 20, and conductive bumps 101 have
Three, conductive bumps 101 are outer surface rounding off for static contact 10 to be oriented into the arcuate structure inserted in moving contact 20.
Moving contact 20 forms conductive slot structure, conductive slot structure by two contacts being fixed together by steady pin 201
Outside spacers be set with least two and be used to provide the springs 202 of thrust, it is preferable that the upper and lower sides interval of conductive slot structure
Cuff has two turns 202.
The present embodiment also provides a kind of contact, and the structure of the contact is identical with the structure of above-mentioned static contact, no longer superfluous herein
State.
Claims (10)
1. a kind of earthed switch, including contact assembly, contact assembly includes the static contact and moving contact that conductive inserting coordinates, and it is special
Sign is：Arranged for interval has multiple conductive studs extended along dynamic and static contact grafting direction on the static contact and/or moving contact
Rise.
2. earthed switch according to claim 1, it is characterised in that：The conductive bumps extend to edge in respective contacts
The both ends in dynamic and static contact grafting direction.
3. earthed switch according to claim 2, it is characterised in that：The conductive bumps are the arc of outer surface rounding off
Shape structure.
4. according to the earthed switch described in claim 1 or 2 or 3, it is characterised in that：Wherein the one of the static contact and moving contact
Individual is conductive slot structure, and another is the conducting strip structure coordinated with conductive trough inserting, and the conductive bumps are located at conducting strip knot
On structure.
5. earthed switch according to claim 4, it is characterised in that：The outside spacers of the conductive slot structure be set with to
Few two elastic components for being used to provide thrust.
6. earthed switch according to claim 5, it is characterised in that：The elastic component is cuff in the conductive slot structure
On turn.
7. a kind of contact assembly, including the static contact and moving contact that conductive inserting coordinates, it is characterised in that：The static contact and/
Or arranged for interval has multiple conductive bumps extended along dynamic and static contact grafting direction on moving contact.
8. contact assembly according to claim 7, it is characterised in that：The conductive bumps extend to edge in respective contacts
The both ends in dynamic and static contact grafting direction.
9. a kind of contact, the contact is used to coordinate with the conductive inserting of corresponding electric-conductor, it is characterised in that：Cloth is spaced on the contact
It is equipped with multiple conductive bumps extended along the grafting direction of the contact and corresponding electric-conductor.
10. contact according to claim 9, it is characterised in that：The conductive bumps extend on the contact along its with
The both ends in the grafting direction of corresponding electric-conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105736.5A CN107785206A (en) | 2017-11-10 | 2017-11-10 | A kind of earthed switch and its contact assembly and contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105736.5A CN107785206A (en) | 2017-11-10 | 2017-11-10 | A kind of earthed switch and its contact assembly and contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107785206A true CN107785206A (en) | 2018-03-09 |
Family
ID=61432747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711105736.5A Pending CN107785206A (en) | 2017-11-10 | 2017-11-10 | A kind of earthed switch and its contact assembly and contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107785206A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8907091U1 (en) * | 1989-06-07 | 1989-09-14 | Siemens AG, 1000 Berlin und 8000 München | Contact device for lever disconnector |
| CN2935444Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Contact matching structure of contact knife and contact head of high-voltage ground switch |
| CN201017805Y (en) * | 2007-03-09 | 2008-02-06 | 上海宝临超亚电器有限公司 | Contact tip device used for ground switch |
| CN201048102Y (en) * | 2007-06-25 | 2008-04-16 | 毕新华 | Stationary contact of ground switch |
| CN201780923U (en) * | 2010-09-02 | 2011-03-30 | 广西银河迪康电气有限公司 | Moving blade device of load switch |
| CN201796743U (en) * | 2010-08-13 | 2011-04-13 | 河南森源电气股份有限公司 | Fixed contact of an indoor high-voltage AC ground switch |
| CN103295828A (en) * | 2013-06-25 | 2013-09-11 | 镇江市丹高电器有限公司 | Side-mounted type indoor high-voltage isolating switch |
| CN207425695U (en) * | 2017-11-10 | 2018-05-29 | 河南森源电气股份有限公司 | Earthing switch and its contact assembly and contact |
-
2017
- 2017-11-10 CN CN201711105736.5A patent/CN107785206A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8907091U1 (en) * | 1989-06-07 | 1989-09-14 | Siemens AG, 1000 Berlin und 8000 München | Contact device for lever disconnector |
| CN2935444Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Contact matching structure of contact knife and contact head of high-voltage ground switch |
| CN201017805Y (en) * | 2007-03-09 | 2008-02-06 | 上海宝临超亚电器有限公司 | Contact tip device used for ground switch |
| CN201048102Y (en) * | 2007-06-25 | 2008-04-16 | 毕新华 | Stationary contact of ground switch |
| CN201796743U (en) * | 2010-08-13 | 2011-04-13 | 河南森源电气股份有限公司 | Fixed contact of an indoor high-voltage AC ground switch |
| CN201780923U (en) * | 2010-09-02 | 2011-03-30 | 广西银河迪康电气有限公司 | Moving blade device of load switch |
| CN103295828A (en) * | 2013-06-25 | 2013-09-11 | 镇江市丹高电器有限公司 | Side-mounted type indoor high-voltage isolating switch |
| CN207425695U (en) * | 2017-11-10 | 2018-05-29 | 河南森源电气股份有限公司 | Earthing switch and its contact assembly and contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |