CN207993754U - A kind of combined type heavy current disconnecting switches contact finger structure - Google Patents
A kind of combined type heavy current disconnecting switches contact finger structure Download PDFInfo
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- CN207993754U CN207993754U CN201820093509.9U CN201820093509U CN207993754U CN 207993754 U CN207993754 U CN 207993754U CN 201820093509 U CN201820093509 U CN 201820093509U CN 207993754 U CN207993754 U CN 207993754U
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- contact
- fingertip
- contact finger
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Abstract
The utility model is related to a kind of combined type heavy current disconnecting switches contact finger structures, it includes at least one static contact finger and conductive column, each static contact finger includes overall U-shaped static contact finger main body, the both ends of static contact finger main body are contact site, conductive column is arranged between contact site and is contacted with contact site, each static contact finger further includes two auxiliary fingertips, two auxiliary fingertips are separately fixed at the inside of contact site, one end of auxiliary fingertip, which reach out to, is provided with inclined auxiliary fingertip contact, auxiliary fingertip contact and auxiliary fingertip contact.The utility model, which need not increase operating force, can improve conductive column and assist the contact area between fingertip contact, so as to increase work current carrying area, improve through-current capability, reduction Wen Sheng；Auxiliary fingertip contact can also play the role of limit, and conductive column is prevented to be moved to mounting portion because of maloperation.
Description
Technical field
The utility model belongs to controller switching equipment technical field, and in particular to a kind of combined type heavy current disconnecting switches fingertip knot
Structure.
Background technology
With the high speed development of China's industry, the swift and violent growth that society's electricity consumption requirement is asked, high current is kept apart in switchgear
Customs director's time service is under high-load condition, and it is easy to appear poor contact, contact resistances for the long-term division operation of disconnecting switch
Increase etc., lead to the serious fever in static contact part, burns static contact, seriously affect the safe and stable operation of electric system.
The research of this problem is concentrated at present：Enhance existing fingertip flow conductivity, main fingertip is helped, increases logical
Stream ability prevents the deterioration of operation, enhances operation stability.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of combined type heavy current disconnecting switches fingertip knots
Structure, need not increase operating force can improve conductive column and assist the contact area between fingertip contact, so as to increase
Work current carrying area, raising through-current capability, reduction Wen Sheng.
The detailed technology scheme that the utility model is taken is：A kind of combined type heavy current disconnecting switches contact finger structure, packet
Include at least one static contact finger and conductive column, each static contact finger includes overall U-shaped static contact finger main body, static contact finger main body
Both ends are contact site, and conductive column is arranged between contact site and is contacted with contact site, and each static contact finger further includes that two auxiliary are touched
Refer to, two auxiliary fingertips are separately fixed at the inside of contact site, assist one end of fingertip reach out to be provided with it is inclined auxiliary
Help fingertip contact, auxiliary fingertip contact and auxiliary fingertip contact.
Preferably, the inside bending of contact site forms bending section, and the outside bending of the other end of fingertip is assisted to form auxiliary fingertip
Mounting portion, bending section are fixedly connected with auxiliary fingertip mounting portion by fastener.
Preferably, it assists being fixedly installed watchband-shaped contactor on fingertip contact.
Operating force, which need not be increased, can improve conductive column and assist the contact area between fingertip contact, so as to
Increase work current carrying area, improve through-current capability
Further, further include heat dissipation fixed plate, the middle part of static contact finger main body is mounting portion；The fixed plate that radiates and mounting portion
It is fixedly connected.
The integral strength and heat dissipation performance of static contact finger can be improved.
Further, mounting portion is provided with partitioning slot, static contact finger main body is made symmetrically to be divided into two parts.
Static contact finger main body can be made of the identical copper bar pressing and bending of two panels, be convenient for the production of static contact finger main body, can be with
Improve the production efficiency of static contact finger main body.
Further, further include spring assembly, spring assembly includes spring and spring-support plate, and the two of spring-support plate
End is fixedly installed linking arm, and heat dissipation fixed plate is pressed downward being provided with spring arm with extending, and linking arm is fixedly connected with spring arm,
Spring-support plate is arranged in the outside of contact site, and the both ends of spring support spring-support plate, contact site respectively.
It can ensure the contact between contact site and conductive column, thereby may be ensured that between conductive column and contact site
The reliability of contact；The temperature that spring can also be reduced, reduce the cracking speed of spring, improve conductive column and contact site it
Between contact reliability.
Further, contact site is provided through the cutting seam of contact site.
When conductive column rotation, remove or move into contact site when, contact site be divided into it is several can self-movement deformation
Part can independently deform, be compensated to the deflection of contact site, so as to improve between conductive column and contact site
The reliability of contact.
Further, one end of contact site, which reach out to, is provided with inclined guide head.
Convenient for the folding between two contact sites.
Compared with prior art, the utility model has the advantages that：
（1）, need not increase operating force can improve conductive column and assist fingertip contact between contact area, to
Work current carrying area can be increased, through-current capability is improved, reduce Wen Sheng；
（2）, auxiliary fingertip contact can also play the role of limit, prevent conductive column to be moved to mounting portion because of maloperation；
（3）, can ensure contact between contact site and conductive column, thereby may be ensured that conductive column and contact site it
Between contact reliability.
Description of the drawings
Fig. 1 is the front-view schematic diagram of static contact finger 1 and conductive column 4.
Fig. 2 is the schematic side view of static contact finger 1 and conductive column 4.
Fig. 3 is the front-view schematic diagram of heat dissipation fixed plate 2.
Fig. 4 is the front-view schematic diagram of the combined type heavy current disconnecting switches contact finger structure of the utility model.
Fig. 5 is the schematic side view of the combined type heavy current disconnecting switches contact finger structure of the utility model.It is thick empty in Fig. 5
Line indicates spring 31.
Fig. 6 is the front-view schematic diagram of watchband-shaped contactor 13.
Fig. 7 is the schematic diagram of the A-A sections of Fig. 6.In Fig. 7, dotted line indicates the imaginary positions of auxiliary fingertip 12.
Static contact finger 1；Static contact finger main body 11；Contact site 111；Bending section 1111；Mounting portion 112；Partitioning slot 1121；Guide head
113；Cutting seam 114；Assist fingertip 12；Assist fingertip contact 121；Assist fingertip mounting portion 122；Watchband-shaped contactor 13；Enclosure body
131；Radiate fixed plate 2；Spring arm 21；Heat bulge 22；Spring assembly 3；Spring 31；Spring-support plate 32；Linking arm 321；
Conductive column 4；Fastener 5.
Specific implementation mode
- Fig. 7 is please referred to Fig.1, the utility model is a kind of combined type heavy current disconnecting switches contact finger structure comprising at least
One static contact finger 1 and conductive column 4.Static contact finger 1, conductive column 4 be usually copper at.
Each static contact finger 1 includes overall U-shaped static contact finger main body 11, and the both ends of static contact finger main body 11 are contact site 111.
Conductive column 4 is arranged between contact site 111 and is contacted with contact site 111.
Each static contact finger 1 further includes two auxiliary fingertips 12, and two auxiliary fingertips 12 are separately fixed at the interior of contact site 111
Side, auxiliary fingertip 12 one end reach out to be provided with it is inclined（I.e. between auxiliary fingertip contact 121 and auxiliary fingertip 12
Angle is more than 90 degree, preferably 130-160 °）Assist fingertip contact 121, auxiliary fingertip contact 121 and auxiliary fingertip contact 121
Contact.
The operation principle of combined type heavy current disconnecting switches contact finger structure in the utility model is：Before use, by stationary contact
Refer to 1, conductive column 4 to be electrically connected with two sections of high-current circuit respectively.
When needing to disconnect high-current circuit, operation（Typically pass through the operation handle being fixedly connected with conductive column 4, operation
Handle attached drawing is not drawn into）Conductive column 4 moves or rotates, conductive column 4 is made directly to be removed between contact site 111, until conductive
Column 4 is separated with contact site 111, auxiliary fingertip contact 121.
When needing to connect high-current circuit, operation（Typically pass through the operation handle being fixedly connected with conductive column 4, operation
Handle attached drawing is not drawn into）Conductive column 4 move or rotation, make conductive column 4 enter between contact site 111 and with contact site 111
Contact, until conductive column 4 supports auxiliary fingertip contact 121 and can not continue to move to.
From the above, it is seen that the combined type heavy current disconnecting switches contact finger structure in the utility model, need not increase
Operating force（The operating force for making conductive column 4 move or rotate）It can improve between conductive column 4 and auxiliary fingertip contact 121
Contact area, so as to increase work current carrying area, improve through-current capability, reduction Wen Sheng；Meanwhile assisting fingertip contact 121
It can also play the role of limit, conductive column 4 is prevented to be moved to mounting portion 112 because of maloperation.
Preferably, 111 inside bending of contact site forms bending section 1111, and the outside bending of the other end of auxiliary fingertip 12 is formed
Fingertip mounting portion 122, bending section 1111 is assisted to be fixedly connected by fastener 5 with auxiliary fingertip mounting portion 122.
Preferably, it is fixedly installed on auxiliary fingertip contact 121（For example, the both ends of watchband-shaped contactor 13 are both provided with enclosure body
131, assist fingertip contact 121 to be arranged fluted, the groove of auxiliary fingertip contact 121 is inwardly provided with encirclement protrusion, surrounds convex
It rises and is inserted into enclosure body 131 to make watchband-shaped contactor 13 be fixed on auxiliary fingertip contact 121）There is watchband-shaped contactor 13（Usually copper
It is made）.When watchband-shaped contactor 13 supports conductive column 4, elastic deformation occurs for watchband-shaped contactor 13, makes each watchband-shaped contactor 13 and conductive column
4 contacts, i.e., need not increase operating force（The operating force for making conductive column 4 move or rotate）Can improve conductive column 4 with it is auxiliary
The contact area between fingertip contact 121 is helped, so as to increase work current carrying area, improve through-current capability
Further, the combined type heavy current disconnecting switches contact finger structure in the utility model further includes heat dissipation fixed plate 2,
The middle part of static contact finger main body 11 is mounting portion 112；The fixed plate 2 that radiates is fixed with mounting portion 112（It is fixedly connected by fastener 5）
Connection.The integral strength and heat dissipation performance of static contact finger 1 can be improved.It is convex usually several heat dissipations to be provided in heat dissipation fixed plate 2
22 are played, to improve the contact area of heat dissipation fixed plate 2 and air, improve heat dissipation effect.
Preferably, mounting portion 112 is provided with partitioning slot 1121, static contact finger main body 11 is made symmetrically to be divided into two parts.It is quiet
Fingertip main body 11 can be made of the identical copper bar pressing and bending of two panels, be convenient for the production of static contact finger main body 11, can improve quiet
The production efficiency of fingertip main body 11.
Further, the combined type heavy current disconnecting switches contact finger structure in the utility model, further includes spring assembly 3,
Spring assembly 3 includes spring 31 and spring-support plate 32, and the both ends of spring-support plate 32 are fixedly installed linking arm 321, is dissipated
Thermosetting fixed board 2 is pressed downward being provided with spring arm 21 with extending, and linking arm 321 is fixedly connected with spring arm 21（It is solid by fastener 5
Fixed connection）, spring-support plate 32 is arranged in the outside of contact site 111, and the both ends of spring 31 support spring-support plate 32, connect respectively
Contact portion 111.Spring 31 constantly supports contact site 111, it is ensured that the contact between contact site 111 and conductive column 4, from
And it can ensure the reliability of the contact between conductive column 4 and contact site 111；Meanwhile if spring-support plate 32 is Heat Conduction Material
（Such as copper, aluminium etc.）It is made, contact site 111 can be passed to 21 heat of spring arm, by linking arm 321 by spring-support plate 32
Heat dissipation fixed plate 2 is passed to, so as to reduce the temperature of spring 31, the cracking speed of spring 31 is reduced, improves conduction
The reliability of contact between column 4 and contact site 111.
Further, contact site 111 is provided through the cutting seam 114 of contact site 111.Cutting seam 114 is usually by cutting
Cut equipment interconnection contact portion 111 cutting formed, cutting seam 114 by contact site 111 be divided into it is several can self-movement deformation part, when
Conductive column 4 rotation, remove or move into contact site 111 when, contact site 111 be divided into it is several can self-movement deformation part
It can independently deform, the deflection of contact site 111 is compensated（When conductive column 4 rotates, close to the rotary shaft of conductive column 4
The contact site 111 of the heart is first contacted with conductive column 4, deflection is larger）, so as to improve between conductive column 4 and contact site 111
The reliability of contact.
Further, one end of contact site 111 reach out to be provided with it is inclined（That is guide head 113 and contact site 111
Between angle be more than 90 degree, preferably 130-160 °）Guide head 113.Convenient for the folding between two contact sites 111.
In general, spring 31, with contact site 111 be divided into it is several can self-movement deformation part correspond（I.e. two
Person's quantity is equal and position is facing each other）.With ensure each contact site 111 be divided into it is several can self-movement deformation part
It can ensure contact by spring 31.
It is to be appreciated that term "center", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical", " water
It is flat ", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings,
Only it is that the utility model and simplifying describes for ease of description, rather than spy must be had by indicating or imply signified device or element
Fixed orientation is specific azimuth configuration and operation, thus should not be understood as the limitation that content is protected to the utility model.
Above specific implementation mode is only the preferred embodiment of this creation, all in this wound not to limit this creation
Any modification, equivalent substitution, improvement and etc. done within the spirit and principle of work, should be included in this creation protection domain it
It is interior.
Claims (8)
1. a kind of combined type heavy current disconnecting switches contact finger structure comprising at least one static contact finger（1）And conductive column（4）,
Each static contact finger（1）Including overall U-shaped static contact finger main body（11）, static contact finger main body（11）Both ends be contact site（111）,
Conductive column（4）It is arranged in contact site（111）Between and and contact site（111）Contact,
It is characterized in that：Each static contact finger（1）Further include two auxiliary fingertips（12）, two auxiliary fingertips（12）It is separately fixed at
Contact site（111）Inside, assist fingertip（12）One end reach out to and be provided with inclined auxiliary fingertip contact（121）,
Assist fingertip contact（121）With auxiliary fingertip contact（121）Contact.
2. a kind of combined type heavy current disconnecting switches contact finger structure as described in claim 1, it is characterised in that：Contact site
（111）Inside bending forms bending section（1111）, assist fingertip（12）The outside bending of the other end form auxiliary fingertip mounting portion
（122）, bending section（1111）With auxiliary fingertip mounting portion（122）Pass through fastener（5）It is fixedly connected.
3. a kind of combined type heavy current disconnecting switches contact finger structure as described in claim 1, it is characterised in that：Fingertip is assisted to touch
Head（121）On be fixedly installed watchband-shaped contactor（13）.
4. a kind of combined type heavy current disconnecting switches contact finger structure as described in claim 1, it is characterised in that：It further include heat dissipation
Fixed plate（2）, static contact finger main body（11）Middle part be mounting portion（112）；Radiate fixed plate（2）With mounting portion（112）It is fixed to connect
It connects.
5. a kind of combined type heavy current disconnecting switches contact finger structure as claimed in claim 4, it is characterised in that：Mounting portion
（112）It is provided with partitioning slot（1121）, make static contact finger main body（11）Symmetrically it is divided into two parts.
6. a kind of combined type heavy current disconnecting switches contact finger structure as claimed in claim 5, it is characterised in that：It further include spring
Component（3）, spring assembly（3）Including spring（31）And spring-support plate（32）, spring-support plate（32）Both ends fix set
It is equipped with linking arm（321）, radiate fixed plate（2）It is pressed downward being provided with spring arm with extending（21）, linking arm（321）With spring arm
（21）It is fixedly connected, spring-support plate（32）It is arranged in contact site（111）Outside, spring（31）Both ends support spring respectively
Support plate（32）, contact site（111）.
7. a kind of combined type heavy current disconnecting switches contact finger structure as described in claim 1, it is characterised in that：Contact site
（111）It is provided through contact site（111）Cutting seam（114）.
8. a kind of combined type heavy current disconnecting switches contact finger structure as described in claim 1-7 is any, it is characterised in that：Contact
Portion（111）One end reach out to and be provided with inclined guide head（113）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093509.9U CN207993754U (en) | 2018-01-19 | 2018-01-19 | A kind of combined type heavy current disconnecting switches contact finger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093509.9U CN207993754U (en) | 2018-01-19 | 2018-01-19 | A kind of combined type heavy current disconnecting switches contact finger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993754U true CN207993754U (en) | 2018-10-19 |
Family
ID=63820545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820093509.9U Active CN207993754U (en) | 2018-01-19 | 2018-01-19 | A kind of combined type heavy current disconnecting switches contact finger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993754U (en) |
-
2018
- 2018-01-19 CN CN201820093509.9U patent/CN207993754U/en active Active
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| GR01 | Patent grant |