CN208256520U - A kind of air-break circuit-breaker with refrigerator pipes - Google Patents
A kind of air-break circuit-breaker with refrigerator pipes Download PDFInfo
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- CN208256520U CN208256520U CN201820659387.5U CN201820659387U CN208256520U CN 208256520 U CN208256520 U CN 208256520U CN 201820659387 U CN201820659387 U CN 201820659387U CN 208256520 U CN208256520 U CN 208256520U
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Abstract
In order to solve the problems, such as that the terminals of air-break circuit-breaker in the prior art are easy to produce amount of heat, the utility model proposes a kind of air-break circuit-breakers with refrigerator pipes, including shell and the intracorporal Combined wiring terminal for connecting wire of shell is set, the Combined wiring terminal includes the link column being immobilized in the shell, the bolt being arranged on binding post by screw thread and bolt end setting for compressing the live metal tabletting of conducting wire with binding post cooperation；Its technical solution is that: the shell is internally provided with for carrying out cooling cooling component for Combined wiring terminal.The utility model structure is simple, good cooling results, and cooling tube can be cooled down persistently for a long time, the operating temperature of Combined wiring terminal in stable air breaker, guarantees production safety.
Description
Technical field
The utility model relates to field of circuit breakers, in particular to one kind can carry out 1P, 2P air-break circuit-breaker terminals
Cooling breaker.
Background technique
Air switch also known as air-break circuit-breaker are one kind of breaker.As long as being that electric current is more than specified electricity in one kind circuit
The switch that stream will disconnect automatically.Air switch is very important a kind of electricity in low voltage power distribution network and electric drive system
Device, it integrates control and multi-protective function.It, still can be to circuit or electrical equipment in addition to it can complete contact and disjunction circuit
Short circuit, heavy overload and under-voltage of generation etc. are protected, while can be used for infrequently starting motor.
The impact load that air-break circuit-breaker is used to protect starting current big, such as motor, transformer etc..Since air is disconnected
Road device is very big by electric current, and when fixing conducting wire using screwdriver, even if not occurring virtual connection phenomenon, in circuit start, air is disconnected
Still a large amount of heat can be generated at the terminals of road device.Over time, the junction of connecting terminal and conducting wire is in height in short-term
Under temperature state, the service life of air-break circuit-breaker is influenced.If temperature is excessively high in short-term, or even can cause fire.
Utility model content
In order to solve the problems, such as that the terminals of air-break circuit-breaker in the prior art are easy to produce amount of heat, the utility model
A kind of air-break circuit-breaker with refrigerator pipes is proposed, the utility model structure is simple, and can be quickly to air-break circuit-breaker
Combined wiring terminal cool down, guarantee air-break circuit-breaker using safe.
A kind of air-break circuit-breaker with refrigerator pipes, including shell and setting shell it is intracorporal be used for connecting wire
Combined wiring terminal, the Combined wiring terminal includes the link column being immobilized in the shell, set by screw thread
Set the live metal tabletting for being used to cooperate with binding post compression conducting wire of bolt and the bolt end setting on binding post；Its
Technical solution is: the shell is internally provided with for carrying out cooling cooling component for Combined wiring terminal；
The cooling component includes cooling tube and the thermally conductive sheet that is wrapped in outside cooling tube；
A side contacts of the binding post far from bolt in the thermally conductive sheet and Combined wiring terminal.
The cooling tube include for absorb Combined wiring terminal heat vertical hot end section and for outside shell
The horizontal cooling section that side is detachably connected；
The vertical hot end section outside is enclosed with thermally conductive sheet；
There are two be used for through-hole connected to the housing for setting on the horizontal cooling section；
It is to be provided with hot melt on negative pressure state and the inner sidewall of vertical hot end section and horizontal cooling section in the cooling tube
Slag structure；
Coolant liquid is provided in the cooling tube.
The part that the horizontal cooling section is contacted with shell is with vertical hot end section and horizontal cooling section junction Yan Shui
Square to the sector become larger；There are two mutually isolated the first cavitys and the second cavity for setting in the horizontal cooling section；
First cavity and the second cavity are connected to setting with vertical hot end section；The through-hole is arranged in the first cavity and the second cavity
Between.
First cavity and the second cavity is with the center line symmetrical setting of horizontal cooling section.
The size of first cavity and the second cavity and vertical hot end section junction is less than or equal to vertical hot end section
Internal diameter half.
The vertical hot end section is contacted for the biggish one side of flat copper pipe and its surface by thermally conductive sheet combined
Connecting terminal.
It is provided on the shell for the via hole across the cooling tube for being wrapped in thermally conductive sheet and for connecting cooling tube
Blind hole.
The thermally conductive sheet is the heat-conducting silica gel sheet with a thickness of 2 ~ 5mm.
Have the beneficial effect that the utility model passes through the group easily generated heat in air-break circuit-breaker brought by the utility model
Cooling component is arranged in the outside of mould assembly connecting terminal, passes through the lasting heat for absorbing Combined wiring terminal and issuing of cooling component
Amount, prevents Combined wiring terminal from overheating.The utility model structure is simple, good cooling results, and cooling tube can be for a long time
Continue cooled down, the operating temperature of Combined wiring terminal in stable air breaker, guarantee production safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is cooling element structure schematic diagram.
Fig. 5 is the structural schematic diagram of cooling tube.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the top view of Fig. 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 1 ~ 7, a kind of air-break circuit-breaker with refrigerator pipes is used for including shell 1 and being arranged in shell 1
The Combined wiring terminal 5 of connecting wire 11, the Combined wiring terminal 5 include the link being fixed in shell 1
Column 501, the bolt 502 being arranged on binding post 501 by screw thread and 502 end of bolt setting be used for and binding post 501
Cooperation compresses the live metal tabletting 503 of conducting wire 11；Its technical solution is that: the shell 1 be internally provided with for for
Combined wiring terminal 5 carries out cooling cooling component 9；
The cooling component 9 includes cooling tube 901 and the thermally conductive sheet 902 being wrapped in outside cooling tube 901；
A side contacts of the binding post 501 far from bolt 502 in the thermally conductive sheet 902 and Combined wiring terminal 5.
It should be clear that: according to the prior art, the air-break circuit-breaker further includes the machinery being arranged in shell 1
Locking mechanism 2, with mechanical lock mechanism 2 be used cooperatively for pull the handle 3 powered on, be arranged in shell 1 for short
The magnetictrip 4 of road protection, the thrermostatic bimetal-plate 6 and group for overload protection that setting is connected to Combined wiring terminal 5
Main contacts 7, the shell 1 of the connection of mould assembly connecting terminal 5 are located at the buckle 8 being arranged on 3 opposite side bottom surface of handle and in masters
7 on-off moment of contact generates the arc-control device 10 that electric arc is controlled；The handle 3 passes through mechanical lock mechanism 2 after pulling
It is closed main contacts 7.The buckle 8 is connect with guide rail.
It should be clear that: the structure of the Combined wiring terminal 5 is structure common in the art, such as
CHNT/ is just safe, connecting terminal applied by DZ47 2P C6A-C60A.
It should be clear that: the general material of Combined wiring terminal 5 is copper or copper alloy, has good thermal conductivity, institute
With a side contacts of the binding post 501 far from bolt 502 in cooling component 9 and Combined wiring terminal 5, so that it may to entire combination
Type connecting terminal 5 is cooled down.
The cooling tube 901 includes for absorbing the vertical hot end of 5 heat of Combined wiring terminal section 9011 and being used for
With the horizontal cooling section 9012 being detachably connected on the outside of shell 1；9011 outside of vertical hot end section is enclosed with thermally conductive sheet
902；The length of the vertical hot end section 9011 is greater than the length of Combined wiring terminal 5；The horizontal cooling section 9012
There are two the through-hole 9011A for connecting with shell 1 for upper setting；It is negative pressure state and vertical hot end section in the cooling tube 901
9011 and horizontal cooling section 9012 inner sidewall on be provided with hot slag structure；Coolant liquid is provided in the cooling tube 901.
It should be clear that: the inner sidewall of the cooling tube 901 is hot slag structure, is like the capillary on human body
Blood vessel is the same.Make the coolant liquid in cooling tube 901 that can shuttle in these apertures after heated, cooling, forms powerful siphon
Strength makes vertical hot end section 9011 absorb the heat of Combined wiring terminal 5, evaporates the coolant liquid in cooling tube 901 backward
Horizontal cooling section 9012 is mobile, and for coolant liquid gas after horizontal cooling section 9012 is cooling, regelation forms liquid, then passes through heat
The siphonage of slag structure is from newly returning to vertical hot end section 9011.
It should be clear that: the length that the length of the described vertical hot end section 9011 is greater than Combined wiring terminal 5 can be with
Guarantee that vertical hot end section 9011 has sufficient length to be bonded Combined wiring terminal 5, endothermic effect is more preferable.
It should be clear that: shell 1 can be connected with horizontal cooling section 9012 by the connection type of screw thread and bolt
It connects.
It should be clear that: the hot slag structure is that copper powder is heated to certain temperature, does not melt it completely at it
Before, the edge of copper powder particle can melt first, and the copper powder of adhesion surrounding, material is thus formed engraved structures.This engraved structure
With very strong siphonage.
It should be clear that: the coolant liquid can be water.
The part that the horizontal cooling section 9012 is contacted with shell 1 is with vertical hot end section 9011 and horizontal cooling section
The sector that 9012 junctions become larger in the horizontal direction；There are two mutually isolated for setting in the horizontal cooling section 9012
One cavity 9012A and the second cavity 9012B；The first cavity 9012A and the second cavity 9012B with vertical hot end section 9011
Connection setting；The through-hole 9011A is arranged between the first cavity 9012A and the second cavity 9012B.
It should be clear that: the horizontal cooling section 9012 is the cooling surface that sector can increase horizontal cooling section 9012
Product, makes 901 cooling velocity of cooling tube faster, cooling effect is more preferable.
It should be clear that: the horizontal cooling section 9012 is divided to for two the first mutually isolated cavity 9012A and
After two cavity 9012B, the gas of the heat transmitted in vertical hot end section 9011 can be divided into two parts, in the first cavity
It is condensed respectively in 9012A and the second cavity 9012B.On the one hand, the first cavity 9012A and the second cavity 9012B can be made
The gas for handling less heat respectively, improves condensation efficiency；On the other hand, if the first cavity 9012A or the second cavity 9012B
In one cause condensation effect to decline because of extraneous factor, another still can guarantee to work on, and make vertical hot end section
9011 ends still have coolant liquid, guarantee cooling effect.
The first cavity 9012A and the second cavity 9012B is with the center line symmetrical setting of horizontal cooling section 9012.
The size of the first cavity 9012A and the second cavity 9012B and vertical hot end 9011 junctions of section be less than or
Equal to the half of the internal diameter of vertical hot end section 9011.
It should be clear that: the first cavity 9012A and the second cavity 9012B and vertical hot end 9011 junctions of section
Size be less than or equal to vertical hot end section 9011 internal diameter half, the first cavity 9012A and the second cavity 9012B can be made
A gas barrier structure is formed with 9011 junctions of vertical hot end section, prevents the first cavity of entrance that the gas of heat is too fast
In 9012A and the second cavity 9012B, keeps the temperature of the first cavity 9012A and the second cavity 9012B excessively high, influences condensation rate,
To influence the cooling effect of cooling tube 901.
The vertical hot end section 9011 is contacted for the biggish one side of flat copper pipe and its surface by thermally conductive sheet 902
Combined wiring terminal 5.
It should be clear that: vertical hot end section 9011 is flat copper pipe and its surface is biggish passes through thermally conductive sheet on one side
902 contact Combined wiring terminals 5, it is ensured that vertical hot end section 9011 preferably absorbs the heat of Combined wiring terminal 5.
It is provided with the via hole 101 for passing through the cooling tube 901 for being wrapped in thermally conductive sheet 902 on the shell 1 and is used for
Connect the blind hole 102 of cooling tube 901.
It should be clear that: the aperture of the via hole 101, which can according to need, to be adjusted.The via hole 101 is on the one hand
For installing the cooling tube 901 for being wrapped in thermally conductive sheet 902, on the other hand thermally conductive sheet can be observed by the gap of the via hole 101
902 with the contact situation of Combined wiring terminal 5.
The thermally conductive sheet 902 is the heat-conducting silica gel sheet with a thickness of 2 ~ 5mm.
It should be clear that: the thermally conductive sheet 902 is wrapped up after cooling tube 901 through shape after gluing company with a thickness of 3mm
The package of pairs of cooling tube 901.
It should be clear that: the heat-conducting silica gel sheet is using silica gel as substrate, and the various auxiliary materials such as addition metal oxide are led to
A kind of heat-conducting medium material of special process synthesis is crossed, in industry, also known as thermal conductive silicon rubber mat, thermally conductive silica gel piece are soft to lead
Heat pad, heat conductive silica gel gasket etc., be exclusively for using gap transmitting heat design scheme produce, can blind, it is complete
The effects of transmitting at the heat of heating position and radiating part interdigit, while also acting as insulation, damping, sealing, it is small to can satisfy equipment
The design requirement of type and ultrathin is great craftsmanship and usability, and thickness is applied widely, a kind of splendid thermally conductive to fill out
Fill material.
It should be clear that: Fig. 1 is subject in the description of herein presented directionality.
The foregoing is merely the preferred embodiment of utility model, oneself, is not intended to limit the utility model, all in this reality
With made any modifications, equivalent replacements, and improvements within novel spirit and principle etc., the utility model should be included in
Within protection scope.
Claims (8)
1. a kind of air-break circuit-breaker with refrigerator pipes is used for connecting wire in shell (1) including shell (1) and setting
(11) Combined wiring terminal (5), the Combined wiring terminal (5) include the link being fixed in shell (1)
What column (501), the bolt (502) being arranged on binding post (501) by screw thread and bolt (502) end were arranged is used for and connects
Terminal (501) cooperation compresses the live metal tabletting (503) of conducting wire (11)；It is characterized by: the inside of the shell (1) is set
It is equipped with for carrying out cooling cooling component (9) for Combined wiring terminal (5)；
The cooling component (9) includes cooling tube (901) and the thermally conductive sheet (902) for being wrapped in cooling tube (901) outside；
A side contacts of the binding post (501) far from bolt (502) in the thermally conductive sheet (902) and Combined wiring terminal (5).
2. a kind of air-break circuit-breaker with refrigerator pipes according to claim 1, it is characterised in that: the cooling tube
(901) include for absorb Combined wiring terminal (5) heat vertical hot end section (9011) and for shell (1) on the outside of can
The horizontal cooling section (9012) of dismantling connection；
Thermally conductive sheet (902) are enclosed on the outside of the vertical hot end section (9011)；
Through-hole (9011A) there are two being arranged on the horizontal cooling section (9012) for being connect with shell (1)；
For in negative pressure state and the inner sidewall of vertical hot end section (9011) and horizontal cooling section (9012) in the cooling tube (901)
It is provided with hot slag structure；
Coolant liquid is provided in the cooling tube (901).
3. a kind of air-break circuit-breaker with refrigerator pipes according to claim 2, it is characterised in that: the level is cooling
The part that section (9012) is contacted with shell (1) is with vertical hot end section (9011) and horizontal cooling section (9012) junction along level
The sector that direction becomes larger；There are two mutually isolated the first cavitys (9012A) for setting in the horizontal cooling section (9012)
With the second cavity (9012B)；First cavity (9012A) and the second cavity (9012B) connect with vertical hot end section (9011)
Logical setting；The through-hole (9011A) is arranged between the first cavity (9012A) and the second cavity (9012B).
4. a kind of air-break circuit-breaker with refrigerator pipes according to claim 3, it is characterised in that: first cavity
(9012A) and the second cavity (9012B) are with the center line symmetrical setting of horizontal cooling section (9012).
5. a kind of air-break circuit-breaker with refrigerator pipes according to claim 3, it is characterised in that: first cavity
The size of (9012A) and the second cavity (9012B) and vertical hot end section (9011) junction is less than or equal to vertical hot end section
(9011) half of internal diameter.
6. a kind of air-break circuit-breaker with refrigerator pipes according to claim 2, it is characterised in that: the vertical hot end
Section (9011) is that the biggish one side of flat copper pipe and its surface passes through thermally conductive sheet (902) contact Combined wiring terminal (5).
7. a kind of air-break circuit-breaker with refrigerator pipes according to claim 1, it is characterised in that: the shell (1)
On be provided with for the via hole (101) across the cooling tube (901) for being wrapped in thermally conductive sheet (902) and for connecting cooling tube
(901) blind hole (102).
8. a kind of air-break circuit-breaker with refrigerator pipes according to claim 1, it is characterised in that: the thermally conductive sheet
(902) it is heat-conducting silica gel sheet with a thickness of 2 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659387.5U CN208256520U (en) | 2018-05-04 | 2018-05-04 | A kind of air-break circuit-breaker with refrigerator pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659387.5U CN208256520U (en) | 2018-05-04 | 2018-05-04 | A kind of air-break circuit-breaker with refrigerator pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256520U true CN208256520U (en) | 2018-12-18 |
Family
ID=64634868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820659387.5U Active CN208256520U (en) | 2018-05-04 | 2018-05-04 | A kind of air-break circuit-breaker with refrigerator pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156105A (en) * | 2021-11-16 | 2022-03-08 | 扬州鹿洵智能科技有限公司 | Leakage protection switch for load immersion |
-
2018
- 2018-05-04 CN CN201820659387.5U patent/CN208256520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114156105A (en) * | 2021-11-16 | 2022-03-08 | 扬州鹿洵智能科技有限公司 | Leakage protection switch for load immersion |
| CN114156105B (en) * | 2021-11-16 | 2024-03-08 | 扬州鹿洵智能科技有限公司 | Load immersed leakage protection switch |
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