CN207338224U - A kind of high conductivity low pressure casting vacuum circuit breaker upper bracket - Google Patents
A kind of high conductivity low pressure casting vacuum circuit breaker upper bracket Download PDFInfo
- Publication number
- CN207338224U CN207338224U CN201720682956.3U CN201720682956U CN207338224U CN 207338224 U CN207338224 U CN 207338224U CN 201720682956 U CN201720682956 U CN 201720682956U CN 207338224 U CN207338224 U CN 207338224U
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- CN
- China
- Prior art keywords
- upper bracket
- high conductivity
- low pressure
- pressure casting
- circuit breaker
- Prior art date
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Abstract
The utility model discloses a kind of high conductivity low pressure casting vacuum circuit breaker upper bracket, includes the upper bracket body of high conductivity low pressure casting, the upper bracket body surface center offers a stepped hole；Mounting hole is evenly arranged with the surface of the stepped hole；The upper bracket body central is provided in the axial direction with through hole；The upper bracket body is provided at both ends with longitudinal the first screw hole and the second screw hole；This two ora terminalis body of the upper bracket is equipped with stair-stepping installation position, and the pedestal is provided with five heat sinks in the arrangement of circumferential radiation shape up and down around both sides.The high conductivity low pressure casting vacuum circuit breaker set up heat sink with upper bracket periphery, make the structure heat sinking function of upper bracket strengthen, lift the service life of vacuum circuit breaker, in addition Low Pressure Casting Technology is used, coordinate Alloy with High Conductivity, a variety of high conductivity aluminium castings are produced, many of which is the complicated conductor that hot-press method can not be completed, and achieves technical economic benefit well.
Description
Technical field
Power switchgear technical field is the utility model is related to, is specially a kind of high conductivity low pressure casting vacuum circuit breaker
Device upper bracket.
Background technology
High-voltage circuitbreaker, also known as high-voltage switch gear, a kind of circuit protection device being mounted on High-Voltage Electrical Appliances, thus its be
One of important electric elements.It can not only cut off or no-load current and load current in closed high voltage circuit, but also works as
By the effect of relay protection during system jam, overload electric current and short circuit current flow are cut off.It has quite complete
Kind arc extinguishing structure and enough cutout abilities, can be divided into：Oil-break, sulfur hexafluoride breaker, vacuum circuit breaker, compression are empty
Gas breaker etc..
Vacuum circuit breaker technical standard vacuum circuit breaker has obtained vigorous growth nearly ten years in China.Product was from the past
The several Cultivar developments of ZN1~ZN5 reach 5000A to tens of multiple models, kind, rated current, drop-out current reaches 50kA
Preferable level, and have developed to voltage and reach 35kV grades, the casting and casting method of high conductivity need to create and send out
It is existing.The rated power of vacuum circuit breaker is higher and higher, it is meant that and various heat flows are bigger, and heat dissipation problem is particularly important,
Many upper brackets are faced with this problem now, and in addition now many breaker upper bracket casting are all that hot-press method goes to complete
Casting, many complicated guiding elements can not be completed with the method.
Utility model content
The purpose of this utility model is to provide a kind of high conductivity low pressure casting vacuum circuit breaker upper bracket, to solve
Problem proposed in the above background technology.
To achieve the above object, the utility model provides following technical solution：A kind of high conductivity low pressure casting vacuum is broken
Road device upper bracket, includes the upper bracket body of high conductivity low pressure casting, the high conductivity low pressure casting vacuum circuit breaker
A stepped hole is offered with rack body centre of surface position；Four installations are evenly arranged with the surface of the stepped hole
Hole；The upper bracket body central is provided in the axial direction with through hole；The upper bracket body is provided at both ends with the first longitudinal screw hole
With the second screw hole；This two ora terminalis body of the upper bracket is equipped with stair-stepping installation position, is respectively first step, second step, the
The thickness difference c of three steps, the 4th step, first step and step two is the thickness difference d of 2-5mm, first step and the 3rd step
For 3-6mm, the thickness difference e of first step and the 4th step is 30-35mm.
Preferably, the thickness difference c of the first step and step two is the thickness difference d of 3mm, first step and the 3rd step
For 4mm, the thickness difference e of first step and the 4th step is 33mm.
Preferably, five heat sinks in the arrangement of circumferential radiation shape are provided with around the both sides of the upper bracket body.
Compared with prior art, the beneficial effects of the utility model are：The high conductivity low pressure casting vacuum circuit breaker is used
Upper bracket periphery set up heat sink, make the structure heat sinking function of upper bracket strengthen, and lift the service life of vacuum circuit breaker, separately
It is outer to use Low Pressure Casting Technology, coordinate Alloy with High Conductivity, produce a variety of high conductivity aluminium castings, many of which is hot-press method
The complicated conductor that can not be completed, achieves technical economic benefit well.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
In figure：1st, upper bracket body；2nd, stepped hole；3rd, through hole；4th, the first screw hole；5th, the second screw hole；6th, first step；7、
Second step；8th, the 3rd step；9th, the 4th step；10th, mounting hole；11 heat sinks.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of high conductivity low pressure casting vacuum circuit breaker is used
Upper bracket, includes the upper bracket body 1 of high conductivity low pressure casting, the high conductivity low pressure casting vacuum circuit breaker branch
1 centre of surface position of frame body offers a stepped hole 2, and the upper surface of stepped hole 2 is longitudinally evenly arranged with four mounting holes
10, mounting hole 10 is formed with substructure and connected through upper bracket body 1；1 center of upper bracket body is provided in the axial direction with one
A cylindrical hole 3, it is convenient to connect substructure；Upper bracket body 1 is provided at both ends with longitudinal the first screw hole 4 and the second screw hole 5,
It can be formed with bolt and coordinate installation；1 liang of ora terminalis of upper bracket body is externally provided with stair-stepping installation position, is respectively first step 6, the
The thickness difference c of two steps 7, the 3rd step 8, the 4th step 9, first step 6 and second step 7 is 3, first step 6 and the 3rd
The thickness difference d of step 8 is 4, and the thickness difference e of 6 and the 4th step 9 of first step is 33.
The peripheral border of upper bracket body 1 is uniformly divided into four segmental radian regions, wherein on two opposite segmental radian regions
Five heat sinks 11 are outwards radially arranged with, heat sink 11 is in be vertically arranged, 11 one end of heat sink and upper bracket body 1
Radian edge be fixedly connected, 11 thickness of heat sink forms acute angle shape from inner gradually reduced to periphery, heat sink 11
Thickness is set in acute angle shape outwardly makes the angle space between radial abutting fins 11 gradually expand, thus beneficial to heat
Quick diffusing, two opposite 11 sectional areas of heat sink are symmetrical set, i.e., 11 quantity of heat sink in two segmentations is equal, cloth
Office's position correspondence is consistent, and is thus beneficial to processing and manufacturing.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of high conductivity low pressure casting vacuum circuit breaker upper bracket, it includes the upper bracket sheet of high conductivity low pressure casting
Body, it is characterised in that：The high conductivity low pressure casting vacuum circuit breaker is equipped with one with rack body centre of surface position
Stepped hole；Four mounting holes are evenly arranged with the surface of the stepped hole；The upper bracket body central is axially disposed to be had
Through hole；The upper bracket body is provided at both ends with longitudinal the first screw hole and the second screw hole；This two ora terminalis body of the upper bracket is set
There is stair-stepping installation position, respectively first step, second step, the 3rd step, the 4th step, first step and step two
Thickness difference c is 2-5mm, and the thickness difference d of first step and the 3rd step is the thickness difference e of 3-6mm, first step and the 4th step
For 30-35mm.
A kind of 2. high conductivity low pressure casting vacuum circuit breaker upper bracket according to claim 1, it is characterised in that：Institute
The thickness difference c for stating first step and step two be 3mm, and the thickness difference d of first step and the 3rd step is 4mm, first step and
The thickness difference e of 4th step is 33mm.
A kind of 3. high conductivity low pressure casting vacuum circuit breaker upper bracket according to claim 1, it is characterised in that：Institute
State and five heat sinks in the arrangement of circumferential radiation shape are provided with around the both sides of upper bracket body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682956.3U CN207338224U (en) | 2017-06-13 | 2017-06-13 | A kind of high conductivity low pressure casting vacuum circuit breaker upper bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682956.3U CN207338224U (en) | 2017-06-13 | 2017-06-13 | A kind of high conductivity low pressure casting vacuum circuit breaker upper bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338224U true CN207338224U (en) | 2018-05-08 |
Family
ID=62426522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720682956.3U Expired - Fee Related CN207338224U (en) | 2017-06-13 | 2017-06-13 | A kind of high conductivity low pressure casting vacuum circuit breaker upper bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338224U (en) |
-
2017
- 2017-06-13 CN CN201720682956.3U patent/CN207338224U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20180613 |