CN206558402U - 400 cabinets double-fracture breaker - Google Patents
400 cabinets double-fracture breaker Download PDFInfo
- Publication number
- CN206558402U CN206558402U CN201720015376.9U CN201720015376U CN206558402U CN 206558402 U CN206558402 U CN 206558402U CN 201720015376 U CN201720015376 U CN 201720015376U CN 206558402 U CN206558402 U CN 206558402U
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- China
- Prior art keywords
- shaped base
- plate
- breaker
- radiating fin
- double
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Abstract
The utility model is related to electronic applications, and in particular to breaker.400 cabinets double-fracture breaker, including a breaker, breaker include being pasted with a radiator above a housing and the electronic component of enclosure interior, housing, and radiator includes a plate-shaped base；Cavity in being provided with one in plate-shaped base, hollow intracavitary is filled with gallium alloy；Wall thickness below middle cavity is 0.5mm~0.8mm；At least six radiating fins are additionally provided with plate-shaped base, hollow intracavitary is stretched into the bottom of radiating fin, and then is inserted into gallium alloy, the top of radiating fin is located at outside plate-shaped base.The utility model improves radiating effect, and then security when improving the service life of breaker, using by optimizing the heat spreader structures of original 400 cabinet double-fracture breaker.
Description
Technical field
The utility model is related to electronic applications, and in particular to breaker.
Background technology
400 regulator cubicles are that the breaker of the double-fracture in a kind of regulator cubicle species commonly used in industry, 400 regulator cubicles makes
Used time can produce substantial amounts of heat, and then need to radiate to it, general to set radiator to radiate it using outside shell,
But radiating effect is unsatisfactory.
Utility model content
The purpose of this utility model is to provide a kind of 400 cabinet double-fracture breaker, to solve at least one above-mentioned skill
Art problem.
The technical problem that the utility model is solved can be realized using following technical scheme：
400 cabinets double-fracture breaker, including a breaker, the breaker include a housing and the electricity of enclosure interior
A radiator is pasted with above sub- component, the housing, it is characterised in that the radiator includes a plate-shaped base；
Cavity in being provided with one in the plate-shaped base, the hollow intracavitary is filled with gallium alloy；
Wall thickness below the middle cavity is 0.5mm~0.8mm；
At least six radiating fins are additionally provided with the plate-shaped base, the middle cavity is stretched into the bottom of the radiating fin
It is interior, and then be inserted into gallium alloy, the top of the radiating fin is located at outside the plate-shaped base.
Gallium alloy is a kind of " liquid metal ", and " liquid metal " is liquid at high temperature (such as more than 40 degree).Need into
During row radiating, liquid conversion is completed.The mobility of liquid, under upper and lower temperature difference effect, can produce convection current, thermal diffusivity is far longer than
Solid metallic.The heat loss through convection of liquid metal, and original radiator that solid metallic is made are combined, fluid gold has both been ensure that
Belong to the heat exchange performance of intensity, the sealing to liquid metal is realized again, it is ensured that the security used.
Breaker is in state switching is carried out, the high temperature of generation, and gallium alloy can be caused to produce solid-liquid phase change rapidly, absorbs big
Calorimetric amount.
Hollow intracavitary is stretched into the bottom of radiating fin, and then is inserted into gallium alloy, improves heat transfer effect.
The utility model improves radiating effect by optimizing the heat spreader structures of original 400 cabinet double-fracture breaker,
And then security when improving the service life of breaker, using.
The plate-shaped base, the radiating fin can adopt the steel plate-shaped base being made of a steel, steel radiating fin.Gallium is closed
Gold has corrosivity to aluminium, and the radiator being made compared to original aluminium alloy can prevent corruption of the gallium alloy to plate-shaped base using steel
Erosion, while steel has preferable thermal conductivity.In order to improve security, the plate-shaped base, the radiating fin can be using ceramics
The pottery plate-shaped base that is made, pottery radiating fin.There is preferable thermal conductivity using commercially available thermal conductive ceramic, have simultaneously
There is insulating properties.
The ratio between the volume of the middle cavity and the volume of the plate-shaped base are 2：3 to 4：Between 5, the gallium alloy it is total
The ratio between volume and the volume of the middle cavity are 2：3 to 4：Between 5.To ensure that enough gallium alloys provide preferably radiating effect
Really.
Height on the length direction of the radiating fin, gradually increases from two lateral centres.Optimize radiation fin structure,
Ensure to reduce cost while radiating effect.The height of the radiating fin is 1 times to 3 times of the plate-shaped base thickness.
The length of the radiating fin for the plate-shaped base length 4/3rds to five/5ths between.To ensure to dissipate
Hot fin has enough heat transfer effects.
The lower surface of the plate-shaped base is also pasted with an adhesion for being used to adhering to plate-shaped base into the housing upper
Layer.The adhesion layer is the adhesion layer being made of heat-conducting silicone grease.Heat-conducting silicone grease has electrical insulating property, there is excellent heat conduction again
Property.
Brief description of the drawings
Fig. 1 is part-structure front view of the present utility model；
Fig. 2 is part-structure side view of the present utility model；
Fig. 3 is the part-structure viewgraph of cross-section at plate-shaped base of the present utility model；
Fig. 4 is the part-structure longitudinal cross-section view at plate-shaped base of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face, which combines to be specifically illustrating, is expanded on further the utility model.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4,400 cabinets double-fracture breaker, an including breaker, breaker includes a shell
The electronic component of body 1 and enclosure interior, the top of housing 1 is pasted with a radiator, and radiator includes a plate-shaped base 2；Plate
Gallium alloy is filled with cavity 3 in being provided with one in shape pedestal 2, middle cavity 3；Wall thickness below middle cavity is 0.5mm~0.8mm；
At least six radiating fins 4 are additionally provided with plate-shaped base, hollow intracavitary is stretched into the bottom of radiating fin 4, and then is inserted into gallium conjunction
In golden, the top of radiating fin is located at outside plate-shaped base.Gallium alloy is a kind of " liquid metal ", " liquid metal " at high temperature
(such as more than 40 degree), are liquid.When needing to be radiated, liquid conversion is completed.The mobility of liquid, in upper and lower temperature difference effect
Under, convection current can be produced, thermal diffusivity is far longer than solid metallic.By the heat loss through convection of liquid metal, and the original that solid metallic is made
There is radiator to be combined, both ensure that the heat exchange performance of liquid metal intensity, the sealing to liquid metal is realized again, it is ensured that
The security that uses.Breaker is in state switching is carried out, and the high temperature of generation can cause gallium alloy to produce solid liquid phase rapidly
Become, absorb amount of heat.Hollow intracavitary is stretched into the bottom of radiating fin, and then is inserted into gallium alloy, improves heat transfer effect.
The utility model improves radiating effect, and then improve by optimizing the heat spreader structures of original 400 cabinet double-fracture breaker
The service life of breaker, security when using.
Plate-shaped base, radiating fin can adopt the steel plate-shaped base being made of a steel, steel radiating fin.Gallium alloy has to aluminium
It is corrosive, the radiator being made compared to original aluminium alloy can prevent corrosion of the gallium alloy to plate-shaped base, while steel using steel
With preferable thermal conductivity.In order to improve security, the pottery tabular base that plate-shaped base, radiating fin can be made of ceramics
Seat, pottery radiating fin.There is preferable thermal conductivity using commercially available thermal conductive ceramic, while having insulating properties.
The ratio between the volume of middle cavity and the volume of plate-shaped base are 2：3 to 4：Between 5, the cumulative volume of gallium alloy and middle cavity
The ratio between volume 2：3 to 4：Between 5.To ensure that enough gallium alloys provide preferably radiating effect.
Height on the length direction of radiating fin, gradually increases from two lateral centres.Optimize radiation fin structure, it is ensured that
Cost is reduced while radiating effect.The height of radiating fin is 1 times to 3 times of plate-shaped base thickness.
The length of radiating fin for plate-shaped base length 4/3rds to five/5ths between.To ensure that radiating fin has
There are enough heat transfer effects.
The lower surface of plate-shaped base is also pasted with an adhesion layer 5 for being used to adhering to plate-shaped base into housing upper.Adhesion
Layer 5 is the adhesion layer being made of heat-conducting silicone grease.Heat-conducting silicone grease has electrical insulating property, there is excellent thermal conductivity again.
At least one strip groove can be set on the side wall of plate-shaped base, the side wall of radiating fin, to be arranged on tabular
The strip groove of the side wall of pedestal is as the first strip groove, to be arranged on the strip groove on the side wall of radiating fin as
Two strip grooves, the length direction of the first strip groove is identical with the length direction of plate-shaped base, the length of the second strip groove
Direction is identical with the short transverse of radiating fin.To increase the contact area with air, heat transfer effect is improved.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.This
The technical staff of industry is retouched in above-described embodiment and specification it should be appreciated that the utility model is not restricted to the described embodiments
That states simply illustrates principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model
Various changes and modifications are also had, these changes and improvements are both fallen within the range of claimed the utility model.This practicality is new
Scope is claimed by appended claims and its equivalent thereof in type.
Claims (5)
1.400 cabinets double-fracture breaker, including a breaker, the breaker include a housing and the electronics of enclosure interior
A radiator is pasted with above component, the housing, it is characterised in that the radiator includes a plate-shaped base；
Cavity in being provided with one in the plate-shaped base, the hollow intracavitary is filled with gallium alloy；
Wall thickness below the middle cavity is 0.5mm~0.8mm；
At least six radiating fins are additionally provided with the plate-shaped base, the hollow intracavitary is stretched into the bottom of the radiating fin,
And then be inserted into gallium alloy, the top of the radiating fin is located at outside the plate-shaped base.
2. 400 cabinet double-fracture breaker according to claim 1, it is characterised in that：The plate-shaped base, the radiating
Fin can adopt the steel plate-shaped base being made of a steel, steel radiating fin.
3. 400 cabinet double-fracture breaker according to claim 1, it is characterised in that：The volume of the middle cavity and institute
The ratio between volume of plate-shaped base is stated 2：3 to 4：Between 5, the ratio between volume of the cumulative volume of the gallium alloy and the middle cavity exists
2：3 to 4：Between 5.
4. 400 cabinet double-fracture breaker according to claim 1, it is characterised in that：The length side of the radiating fin
Upward height, gradually increases from two lateral centres.
5. 400 cabinet double-fracture breaker according to claim 1, it is characterised in that：The length of the radiating fin is
Between 4th/3rd to five/5ths of the plate-shaped base length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015376.9U CN206558402U (en) | 2017-01-06 | 2017-01-06 | 400 cabinets double-fracture breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015376.9U CN206558402U (en) | 2017-01-06 | 2017-01-06 | 400 cabinets double-fracture breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558402U true CN206558402U (en) | 2017-10-13 |
Family
ID=60358076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720015376.9U Active CN206558402U (en) | 2017-01-06 | 2017-01-06 | 400 cabinets double-fracture breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206558402U (en) |
-
2017
- 2017-01-06 CN CN201720015376.9U patent/CN206558402U/en active Active
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