CN206022280U - The static contact of chopper - Google Patents
The static contact of chopper Download PDFInfo
- Publication number
- CN206022280U CN206022280U CN201621025614.6U CN201621025614U CN206022280U CN 206022280 U CN206022280 U CN 206022280U CN 201621025614 U CN201621025614 U CN 201621025614U CN 206022280 U CN206022280 U CN 206022280U
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- static contact
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- contact
- radiating
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Abstract
The utility model discloses a kind of static contact of chopper, solves the problems, such as that static contact temperature is higher, its drip irrigation device is：Fixed part, connecting portion, current-carrying portion including integrated punching molding, contact, contact is arranged on side of the current-carrying portion away from connecting portion, current-carrying portion includes stamping station, connector, fixture, also include some fin, radiating piece, some radiation fin arrays are distributed on fixture the side away from connecting portion, radiating piece is fixedly connected on fixture the side near connecting portion, and the static contact of chopper of the present utility model can effectively reduce the temperature of static contact.
Description
Technical field
This utility model is related to a kind of chopper accessory, more particularly to a kind of static contact of chopper.
Background technology
The static contact of chopper is the important component part of chopper, and Ge great producers fall over each other the important portion of Improvement
Part, the circuit breaker static contact for using on the market at present are typically all directly to arrange on one piece of contact plate with electric conductivity
Contact, and then realize short circuit breaking capacity.
Chinese patent of the notification number for CN202018935U, a kind of static contact of breaker of plastic casing, with fixed part, connection
Portion and current-carrying portion, offer the installing hole of fixed static contact, wherein fixed part one end and connecting portion wherein on the fixed part
End is affixed, and the connecting portion other end is affixed with current-carrying portion one end, and the current-carrying cross section is horizontal " U " type structure, wherein contact
It is arranged on the upper surface in horizontal " U " type current-carrying portion simultaneously near the position of end.
Although the technical scheme of the patent employs the current-carrying portion of laterally " U " type structure, compare with original static contact, bright
The aobvious current carrying area for increasing static contact, so that increase current-carrying capacity so that chopper can be obtained very under less short circuit current flow
Big electrodynamic repulsion force, current limiting factor are improved, and then improve short circuit breaking capacity, but in actual use, due to disconnected
The static contact life-time service of road device, can produce larger heat, and under the higher environment of temperature, the characteristic of the static contact of chopper is easy
Degenerate, or even melting welding, also improved space occur.
Utility model content
The purpose of this utility model is to provide a kind of static contact of chopper, effectively reduces the temperature of static contact.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of static contact of chopper, fixed part, connecting portion, current-carrying portion including integrated punching molding, contact are described tactile
Point is arranged on side of the current-carrying portion away from connecting portion, and the current-carrying portion includes stamping station, connector, fixture, also includes some
Fin, radiating piece, some radiation fin arrays are distributed on fixture the side away from connecting portion, the radiating piece
Side near connecting portion is fixedly connected on fixture.
Using such scheme, as radiation fin array is distributed on fixture the side away from connecting portion, can be effectively real
Now the heat produced in current-carrying portion is distributed, is realized into one by being arranged on radiating piece of the fixture near connecting portion side
The radiating of step, in sum, by fin and each self-applying of radiating piece, effectively can realize radiating static contact.
Preferably, leaving space between some fin.
Using such scheme, space is left between abutting fins and effectively can realize carrying out sending out heat toward surrounding
Dissipate, increase the contact area between fin and air, in sum, can effectively realize the radiating to static contact.
Preferably, being provided with the radiating stricture of vagina in cross distribution on the rectangular setting of fin and the fin
Road.
Using such scheme, radiating lines is provided with due to the rectangular setting of fin and in fin, due to radiating
Lines can effectively increase the contact surface area between fin and air, by the above-mentioned course of work, effectively can realize to quiet
The radiating of contact.
Preferably, the radiating piece forms the first radiating groove between the side of fixture and fixture.
Using such scheme, can be realized the heat on fixture by the radiating groove arranged near the side of fixture
It is transmitted, can realizes distributing heat in air by radiating groove.
Preferably, the radiating piece away from fixture side and fixture between form the second radiating groove.
Using such scheme, by state radiating piece away from fixture side and fixture between form the second radiating groove
Can realize guiding the heat that radiating piece upload output comes and distribute.
Preferably, the cross section of first radiating groove is arranged in isosceles trapezoidal structure.
Using such scheme, by radiating groove to be set to the form of isosceles trapezoid, going up wide setting first can be effective
Realize carrying out effectively being distributed from current-carrying portion by heat, dissipated past for heat everywhere, and then effectively achieve and reduce
Heat near static contact.
Preferably, being additionally provided with some thermal vias on the fixture and some thermal vias are communicated in fixation
Part.
Using such scheme, effectively can realize being distributed the heat that current-carrying portion produces by thermal vias, and
The through hole is communicated in the lower surface and medial wall in current-carrying portion, can increase heat-dissipating space, in sum, effective by thermal vias
Reduce the heat of static contact generation.
Preferably, the U-shaped profile structure setting of the connector.
Using such scheme, by by U-shaped for the cross section of connector structure, can effectively increasing connector and air connect
Contacting surface is accumulated, and by increasing contact area, can effectively be reduced current-carrying capacity, and then be reduced the quantity of heat production of static contact from source.
Preferably, the T-shaped structure setting of the stamping station.
Using such scheme, the stamping station arranged with general rectangle is compared, the stamping station of T-shaped setting is in contact area
Contact area between the upper stamping station arranged more than general rectangle and air, by above-mentioned setting, can be effectively from source
The upper quantity of heat production for reducing static contact.
In sum, this utility model has the advantages that：
1st, effectively can realize radiating static contact upper and lower surface by fin, radiating piece, thermal vias, and then
The temperature for reducing static contact can effectively be realized；
2nd, by the cross section of connector being set to U-shaped and stamping station is set to T-shaped, current-carrying portion can effectively be increased
Contact area, and then from source, effectively reduce the quantity of heat production of static contact.
Description of the drawings
Fig. 1 is the structural representation one of the static contact of chopper in the present embodiment；
Fig. 2 is the structural representation two of the static contact of chopper in the present embodiment.
In figure：1st, fixed part；2nd, connecting portion；3rd, current-carrying portion；4th, contact；5th, fin；6th, radiating piece；7th, radiate lines；
8th, the first radiating groove；9th, thermal vias；10th, the second radiating groove；11st, stamping station；12nd, connector；13rd, fixture；14th, space.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the fixed part 1 of integrated punching molding, connecting portion 2 is included disclosed in the present embodiment, current-carrying portion 3, touched
Point 4, contact 4 is arranged on side of the current-carrying portion 3 away from connecting portion 2, it is characterized in that：Current-carrying portion 3 includes stamping station 11, connector
12nd, fixture 13, also include some fin 5, radiating piece 6, and 5 array distribution of some fin is on fixture 13 away from connection
The side in portion 2, radiating piece 6 are fixedly connected on fixture 13 side near connecting portion 2.
As shown in figure 1, the screwed installing hole in one big two little three inside on fixed part 1, is provided with, by above-mentioned
Arrange and can effectively realize the effective fixation to fixed part 1, and then the effective fixation to static contact can be realized.
As shown in figure 1, one end of one end of fixed part 1 and connecting portion 2 is welded, the other end of connecting portion 2 with laterally U-shaped
Welded to realize the stability for ensureing current-carrying portion 3 in current-carrying portion 3.
As shown in figure 1, contact 4 is arranged on the upper surface in current-carrying portion 3 and realizes bearing dynamic touching near the position of end
The punching press of head.
As shown in figure 1, connector 12 is arranged in horizontal U-shape structure, touched with dynamic by the effective incrementss static contact of the setting
Contact area between head, and then reduce indirectly the quantity of heat production in current-carrying portion 3.
As shown in figure 1,11 layers of T-shaped structure of stamping station are arranged, by between the effective incrementss static contact of the setting and moving contact
Contact area, and then reduce indirectly the quantity of heat production in current-carrying portion 3.
As shown in figure 1, radiating lines 7 is provided with the rectangular setting of fin 5 and fin 5, if in file
Leave space to realize increasing the contact area with air between dry fin 5 is adjacent, the fin 5 is by the strong aluminum of the capacity of heat transmission
Constitute.
As shown in figure 1, thermal vias 9 are distributed in the side at the place of fin 5 and thermal vias 9 are communicated in 6 institute of radiating piece
Side, by thermal vias 9 distribution further improve static contact heat-sinking capability.
As shown in Fig. 2 radiating piece 6 forms the first radiating groove 8 between the side of fixture 13 and fixture 13, described
Radiating piece 6 away from fixture 13 side and fixture 13 between form the second radiating groove 10, being arranged by two radiating grooves can
With the contact area being effectively increased between radiating piece 6 and air, and then the heat-sinking capability of static contact is effectively improved, radiating groove
The isosceles trapezoidal structure that cross section is in is arranged, and the fin 5 is made up of the strong aluminum of the capacity of heat transmission.
The course of work：When the current-carrying portion 3 on static contact is contacted with moving contact, the connector being primarily due in current-carrying portion 3
12 U-shaped profiles, can effectively increase the area that contacts with each other between contact head and moving contact, in the same manner the T-shaped of stamping station 11
The area that contacts with each other that can increase between contact head and moving contact is set, current-carrying portion 3 can be reduced indirectly by this way
Quantity of heat production, the fin 5 for then being arranged by array are radiated to the inwall in current-carrying portion 3, and be simultaneously arranged at radiating piece 6 with
The first radiating groove 8 and the second radiating groove 10 that fixture 13 is formed effectively can be realized to radiating on the outside of current-carrying portion 3, finally
Radiated by connecting the thermal vias 9 in current-carrying portion 3, in sum, by the above-mentioned course of work, effectively can be realized to quiet
The radiating of contact.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification without creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (9)
1. a kind of static contact of chopper, fixed part (1), connecting portion (2) including integrated punching molding, current-carrying portion (3), contact
(4), contact (4) are arranged on current-carrying portion (3) away from the side of connecting portion (2), it is characterized in that：Current-carrying portion (3) include
Stamping station (11), connector (12), fixture (13), also include some fin (5), radiating piece (6), described some described scattered
Side of backing (5) array distribution on the fixture (13) away from connecting portion (2), radiating piece (6) are fixedly connected on fixation
The upper side near connecting portion (2) of part (13).
2. the static contact of chopper according to claim 1, is characterized in that：Sky is left between some the fin (5)
Gap (14).
3. the static contact of chopper according to claim 1, is characterized in that：Fin (5) rectangular setting and institute
State the radiating lines (7) being provided with fin (5) in cross distribution.
4. the static contact of chopper according to claim 1, is characterized in that：Radiating piece (6) are near fixture (13)
Side and fixture (13) between form the first radiating groove (8).
5. the static contact of chopper according to claim 1, is characterized in that：Radiating piece (6) are away from fixture (13)
Side and fixture (13) between form the second radiating groove (10).
6. the static contact of chopper according to claim 4, is characterized in that：The cross section of the first radiating groove (8) is in
Isosceles trapezoidal structure is arranged.
7. the static contact of chopper according to claim 1, is characterized in that：Some dissipating is additionally provided with fixture (13)
Heat through-hole (9) and some thermal vias (9) are communicated in fixture (13).
8. the static contact of chopper according to claim 1, is characterized in that：The U-shaped profile of connector (12)
Structure setting.
9. the static contact of chopper according to claim 1, is characterized in that：Stamping station (11) T-shaped structure setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025614.6U CN206022280U (en) | 2016-08-31 | 2016-08-31 | The static contact of chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025614.6U CN206022280U (en) | 2016-08-31 | 2016-08-31 | The static contact of chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022280U true CN206022280U (en) | 2017-03-15 |
Family
ID=58258413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025614.6U Active CN206022280U (en) | 2016-08-31 | 2016-08-31 | The static contact of chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206022280U (en) |
-
2016
- 2016-08-31 CN CN201621025614.6U patent/CN206022280U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |