CN209822578U - Heat dissipation type moulded case circuit breaker - Google Patents
Heat dissipation type moulded case circuit breaker Download PDFInfo
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- CN209822578U CN209822578U CN201920723149.0U CN201920723149U CN209822578U CN 209822578 U CN209822578 U CN 209822578U CN 201920723149 U CN201920723149 U CN 201920723149U CN 209822578 U CN209822578 U CN 209822578U
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- heat
- circuit breaker
- wall
- heat dissipation
- heat conduction
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Abstract
The utility model belongs to the technical field of moulded case circuit breaker, especially, heat dissipation type moulded case circuit breaker, including the circuit breaker casing, the equal fixed mounting in four corners department of circuit breaker casing has the supporting legs, the inner wall of circuit breaker casing fixed mounting has horizontal heat pipe and vertical heat pipe respectively, the surface of horizontal heat pipe is the U-shaped form, the inner wall of horizontal heat pipe and the fixed intercommunication of the one end inner wall of vertical heat pipe. This heat dissipation type moulded case circuit breaker, there are horizontal heat pipe and vertical heat pipe through the inner wall that sets up the circuit breaker casing fixed mounting respectively, reached and carried out the effect of deriving the inside heat of circuit breaker casing, horizontal heat pipe and vertical heat pipe are with the heat from the inside derivation to the outside of circuit breaker casing, in the heat got into horizontal heat pipe through the inner wall of circuit breaker casing, conduct to the outside by vertical heat pipe again, thereby solved current moulded case circuit breaker heat and be difficult for discharging away and arouse the technical problem of maloperation easily.
Description
Technical Field
The utility model relates to a moulded case circuit breaker technical field especially relates to a heat dissipation type moulded case circuit breaker.
Background
The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic housing refers to the use of plastic insulators as the outer housing of the device to isolate the conductors from each other and from the grounded metal parts. Molded case circuit breakers typically contain a thermo-magnetic trip unit, while large molded case circuit breakers are equipped with a solid state trip sensor. The tripping unit comprises: thermomagnetic trip and electronic trip.
The moulded case circuit breaker can produce certain heat in the use now, because receive the moulded case influence of itself, the very time of heat is very difficult in time to be discharged away, the condition of maloperation appears in moulded case circuit breaker very easily, and general moulded case circuit breaker is when to this type of condition, most of all select many trompils fluting for increase the inside and outside air replacement refrigerated speed of moulded case circuit breaker, but can make outside impurity or moisture enter into moulded case circuit breaker inside so easily, influence moulded case circuit breaker's normal use.
SUMMERY OF THE UTILITY MODEL
Based on current moulded case circuit breaker heat is difficult for discharging away and arouse the technical problem of maloperation easily, the utility model provides a heat dissipation type moulded case circuit breaker.
The utility model provides a pair of heat dissipation type moulded case circuit breaker, including the circuit breaker casing, the equal fixed mounting in four corners department of circuit breaker casing has the supporting legs, the inner wall of circuit breaker casing fixed mounting has horizontal heat pipe and vertical heat pipe respectively, the surface of horizontal heat pipe is the U-shaped form, the inner wall of horizontal heat pipe and the fixed intercommunication of one end inner wall of vertical heat pipe.
The side of the breaker shell close to the supporting legs is provided with a slot, the other end of the longitudinal heat conduction pipe extends to the inner bottom wall of the slot, and the inner wall of the slot is inserted with a heat dissipation part in a sliding mode.
Preferably, the inside of the transverse heat conduction pipe is filled with a heat conduction insulation layer, and heat conduction insulation elastic rubber is arranged inside the heat conduction insulation layer.
Preferably, the longitudinal heat conduction pipe is filled with a heat conduction filling adhesive layer, and the heat conduction filling adhesive layer is provided with heat conduction filling adhesive.
Preferably, a heat conducting fin is fixedly bonded to the inner wall of the other end of the longitudinal heat conducting pipe, and the material for manufacturing the heat conducting fin comprises a graphite heat conducting fin.
Preferably, the heat dissipation member comprises a heat dissipation block, the inner wall of the slot is trapezoidal, and the surface of the heat dissipation block close to the slot is matched with the inner wall of the slot.
Preferably, the heat dissipation blocks are fixedly connected through connecting rods, U-shaped pipes are fixedly mounted inside the heat dissipation blocks and the connecting rods, heat absorption boxes are fixedly communicated with two ends of each U-shaped pipe, and heat absorption oil is arranged inside each heat absorption box.
Preferably, the surface of the heat dissipation block is provided with a heat dissipation groove, and the inner bottom wall of the heat dissipation groove is in a circular arc shape.
The utility model provides a beneficial effect does:
1. there are horizontal heat pipe and vertical heat pipe through the inner wall that sets up the circuit breaker casing fixed mounting respectively, reached and carried out the effect of deriving the inside heat of circuit breaker casing, horizontal heat pipe and vertical heat pipe are with heat from circuit breaker casing inside derive to the outside, in the heat gets into horizontal heat pipe through the inner wall of circuit breaker casing, conduct to the outside by vertical heat pipe again to current moulded case circuit breaker heat has been solved and has not easily been discharged out and cause the technical problem of maloperation easily.
2. The heat dissipation device has the advantages that the heat dissipation part is inserted into the inner wall of the slot in a sliding mode, the purpose that heat conducted by the longitudinal heat conduction pipe is dissipated in an absorption mode is achieved, the heat dissipation speed of heat inside the shell of the circuit breaker is increased, good heat dissipation performance is kept, and the technical problem that misoperation is easily caused due to the fact that the heat of an existing molded case circuit breaker is not prone to being discharged is solved.
Drawings
Fig. 1 is a schematic view of a heat dissipation type molded case circuit breaker;
fig. 2 is a perspective view of a transverse heat pipe structure of the heat dissipation type molded case circuit breaker;
FIG. 3 is a perspective view of a heat-conducting adhesive filling layer structure of the heat-dissipating molded case circuit breaker;
fig. 4 is a perspective view of a heat dissipation block structure of the heat dissipation type molded case circuit breaker;
FIG. 5 is a perspective view of a U-shaped tube structure of a heat dissipating molded case circuit breaker;
fig. 6 is a perspective view of a heat absorption box structure of the heat dissipation type molded case circuit breaker;
fig. 7 is a perspective view of a heat sink structure of the heat dissipation type molded case circuit breaker.
In the figure: 1. a circuit breaker housing; 2. supporting legs; 3. a transverse heat conducting pipe; 4. a longitudinal heat pipe; 5. a slot; 6. a thermally conductive insulating layer; 7. a heat-conducting filling adhesive layer; 8. a heat conductive sheet; 9. a heat dissipating block; 10. a connecting rod; 11. a U-shaped pipe; 12. a heat absorption box; 13. a heat dissipation groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-6, a heat dissipation type molded case circuit breaker, as shown in fig. 1, includes a circuit breaker case 1, wherein supporting legs 2 are fixedly mounted at four corners of the circuit breaker case 1, as shown in fig. 2, a transverse heat pipe 3 and a longitudinal heat pipe 4 are fixedly mounted on an inner wall of the circuit breaker case 1, a surface of the transverse heat pipe 3 is U-shaped, and an inner wall of the transverse heat pipe 3 is fixedly communicated with an inner wall of one end of the longitudinal heat pipe 4;
as shown in fig. 2, there are horizontal heat pipe 3 and vertical heat pipe 4 through the inner wall that sets up circuit breaker casing 1 fixed mounting respectively, the effect of deriving the inside heat of circuit breaker casing 1 has been reached, horizontal heat pipe 3 and vertical heat pipe 4 derive the heat to the outside from circuit breaker casing 1 is inside, the heat gets into in horizontal heat pipe 3 through the inner wall of circuit breaker casing 1, conduct to the outside by vertical heat pipe 4 again, thereby solved current moulded case circuit breaker heat and easily discharged and arouse the technical problem of maloperation easily.
As shown in fig. 2, a slot 5 is formed in a side surface of the circuit breaker housing 1 close to the supporting leg 2, the other end of the longitudinal heat pipe 4 extends to an inner bottom wall of the slot 5, and a heat sink is inserted into an inner wall of the slot 5 in a sliding manner;
as shown in fig. 1, the heat sink is inserted into the inner wall of the slot 5 in a sliding manner, so that the heat conducted by the longitudinal heat conducting pipe 4 is absorbed and dissipated, the heat dissipation speed of the heat inside the circuit breaker shell 1 is increased, and good heat dissipation performance is maintained, thereby solving the technical problem that the heat of the existing molded case circuit breaker is not easy to be discharged and is easy to cause misoperation.
Further, as shown in fig. 3, the inside of the transverse heat pipe 3 is filled with a heat conducting insulating layer 6, heat conducting insulating elastic rubber is arranged inside the heat conducting insulating layer 6, and the heat conducting insulating elastic rubber is arranged to conduct heat and insulate the outer surface of the circuit breaker housing 1;
the heat-conducting insulating elastic rubber adopts a silicon rubber base material, and ceramic particles such as boron nitride, aluminum oxide and the like are used as fillers, so that the heat-conducting effect is very good, and the thermal impedance is lower than that of other heat-conducting materials under the same condition. The glass fiber reinforced plastic has the characteristics of softness, cleanness, no pollution, no radioactivity and high insulativity, provides good mechanical property for glass fiber reinforcement, can prevent puncture, shear and tear, and can be provided with a heat-conducting pressure-sensitive back adhesive.
Further, as shown in fig. 3, a heat conductive filling adhesive layer 7 is filled inside the longitudinal heat conduction pipe 4, and heat conductive filling adhesive is disposed inside the heat conductive filling adhesive layer 7;
the heat-conducting filling adhesive has high heat conductivity and electrical insulation property, can be vulcanized and solidified at room temperature, plays roles of bonding, sealing and forming, can rapidly conduct the heat of the heating body out, plays a role of cooling the heating body, has excellent heat-conducting effect, has excellent toughness after the heat-conducting filling adhesive is solidified, has very wide working temperature, and also has excellent insulation property under a humid environment. Can also be used in the environment with stronger chemical corrosion.
Further, as shown in fig. 3, a heat conducting fin 8 is fixedly bonded to an inner wall of the other end of the longitudinal heat conducting pipe 4, the heat conducting fin 8 is made of a graphite heat conducting fin, and the heat conducting fin is arranged to seal heat conducting filling glue in the longitudinal heat conducting pipe 4 to prevent leakage;
the heat conducting graphite sheet is a brand new heat conducting and radiating material, conducts heat uniformly along two directions, shields a heat source and components, improves the performance of consumer electronic products, is generally black in color, is made of natural graphite through delicate processing, and has a heat conductivity coefficient up to 1500W/M-K in the horizontal direction. Using an IC, CPU, MOS, LED, heat sink, LCD-TV, notebook computer, communication device, wireless switch, DVD, handheld device, etc.
Further, as shown in fig. 3, the heat dissipation member includes a heat dissipation block 9, the inner wall of the slot 5 is in a trapezoid shape, the surface of the heat dissipation block 9 close to the slot 5 is matched with the inner wall of the slot 5, and the heat dissipation block 9 is arranged to dissipate heat in the heat conduction component outside the circuit breaker housing 1 in time.
As shown in fig. 4-6, the plurality of heat dissipating blocks 9 are fixedly connected through a connecting rod 10, U-shaped pipes 11 are fixedly mounted inside the heat dissipating blocks 9 and the connecting rod 10, heat absorbing boxes 12 are fixedly communicated with both ends of the U-shaped pipes 11, heat absorbing oil is arranged inside the heat absorbing boxes 12, and the heat is partially absorbed through the heat absorbing oil.
Example two
Referring to fig. 1-5 and 7, a heat dissipation type molded case circuit breaker, as shown in fig. 1, includes a circuit breaker case 1, wherein supporting legs 2 are fixedly mounted at four corners of the circuit breaker case 1, as shown in fig. 2, a transverse heat pipe 3 and a longitudinal heat pipe 4 are respectively fixedly mounted on an inner wall of the circuit breaker case 1, a surface of the transverse heat pipe 3 is U-shaped, and an inner wall of the transverse heat pipe 3 is fixedly communicated with an inner wall of one end of the longitudinal heat pipe 4;
as shown in fig. 2, there are horizontal heat pipe 3 and vertical heat pipe 4 through the inner wall that sets up circuit breaker casing 1 fixed mounting respectively, the effect of deriving the inside heat of circuit breaker casing 1 has been reached, horizontal heat pipe 3 and vertical heat pipe 4 derive the heat to the outside from circuit breaker casing 1 is inside, the heat gets into in horizontal heat pipe 3 through the inner wall of circuit breaker casing 1, conduct to the outside by vertical heat pipe 4 again, thereby solved current moulded case circuit breaker heat and easily discharged and arouse the technical problem of maloperation easily.
As shown in fig. 2, a slot 5 is formed in a side surface of the circuit breaker housing 1 close to the supporting leg 2, the other end of the longitudinal heat pipe 4 extends to an inner bottom wall of the slot 5, and a heat sink is inserted into an inner wall of the slot 5 in a sliding manner;
as shown in fig. 1, the heat sink is inserted into the inner wall of the slot 5 in a sliding manner, so that the heat conducted by the longitudinal heat conducting pipe 4 is absorbed and dissipated, the heat dissipation speed of the heat inside the circuit breaker shell 1 is increased, and good heat dissipation performance is maintained, thereby solving the technical problem that the heat of the existing molded case circuit breaker is not easy to be discharged and is easy to cause misoperation.
Further, as shown in fig. 3, the inside of the transverse heat pipe 3 is filled with a heat conducting insulating layer 6, heat conducting insulating elastic rubber is arranged inside the heat conducting insulating layer 6, and the heat conducting insulating elastic rubber is arranged to conduct heat and insulate the outer surface of the circuit breaker housing 1;
the heat-conducting insulating elastic rubber adopts a silicon rubber base material, and ceramic particles such as boron nitride, aluminum oxide and the like are used as fillers, so that the heat-conducting effect is very good, and the thermal impedance is lower than that of other heat-conducting materials under the same condition. The glass fiber reinforced plastic has the characteristics of softness, cleanness, no pollution, no radioactivity and high insulativity, provides good mechanical property for glass fiber reinforcement, can prevent puncture, shear and tear, and can be provided with a heat-conducting pressure-sensitive back adhesive.
Further, as shown in fig. 3, a heat conductive filling adhesive layer 7 is filled inside the longitudinal heat conduction pipe 4, and heat conductive filling adhesive is disposed inside the heat conductive filling adhesive layer 7;
the heat-conducting filling adhesive has high heat conductivity and electrical insulation property, can be vulcanized and solidified at room temperature, plays roles of bonding, sealing and forming, can rapidly conduct the heat of the heating body out, plays a role of cooling the heating body, has excellent heat-conducting effect, has excellent toughness after the heat-conducting filling adhesive is solidified, has very wide working temperature, and also has excellent insulation property under a humid environment. Can also be used in the environment with stronger chemical corrosion.
Further, as shown in fig. 3, a heat conducting fin 8 is fixedly bonded to an inner wall of the other end of the longitudinal heat conducting pipe 4, the heat conducting fin 8 is made of a graphite heat conducting fin, and the heat conducting fin is arranged to seal heat conducting filling glue in the longitudinal heat conducting pipe 4 to prevent leakage;
the heat conducting graphite sheet is a brand new heat conducting and radiating material, conducts heat uniformly along two directions, shields a heat source and components, improves the performance of consumer electronic products, is generally black in color, is made of natural graphite through delicate processing, and has a heat conductivity coefficient up to 1500W/M-K in the horizontal direction. Using an IC, CPU, MOS, LED, heat sink, LCD-TV, notebook computer, communication device, wireless switch, DVD, handheld device, etc.
Further, as shown in fig. 3, the heat dissipation member includes a heat dissipation block 9, the inner wall of the slot 5 is in a trapezoid shape, the surface of the heat dissipation block 9 close to the slot 5 is matched with the inner wall of the slot 5, and the heat dissipation block 9 is arranged to dissipate heat in the heat conduction component outside the circuit breaker housing 1 in time.
Further, as shown in fig. 7, a heat dissipation groove 13 is formed in the surface of the heat dissipation block 9, and an inner bottom wall of the heat dissipation groove 13 is in an arc shape, so that when a heat sink is inconvenient to mount and place, the inner wall of the heat dissipation groove 13 is utilized to increase the heat dissipation area and increase the heat dissipation effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a heat dissipation type moulded case circuit breaker, includes circuit breaker housing, the equal fixed mounting in four corners department of circuit breaker housing has supporting legs, its characterized in that: the inner wall of the breaker shell is fixedly provided with a transverse heat conduction pipe and a longitudinal heat conduction pipe respectively, the surface of the transverse heat conduction pipe is U-shaped, and the inner wall of the transverse heat conduction pipe is fixedly communicated with the inner wall of one end of the longitudinal heat conduction pipe;
the side of the breaker shell close to the supporting legs is provided with a slot, the other end of the longitudinal heat conduction pipe extends to the inner bottom wall of the slot, and the inner wall of the slot is inserted with a heat dissipation part in a sliding mode.
2. The heat dissipation type molded case circuit breaker according to claim 1, wherein: the heat conduction insulating layer is filled in the transverse heat conduction pipe, and heat conduction insulating elastic rubber is arranged in the heat conduction insulating layer.
3. The heat dissipation type molded case circuit breaker according to claim 1, wherein: the heat conduction filling adhesive layer is filled in the longitudinal heat conduction pipe, and heat conduction filling adhesive is arranged in the heat conduction filling adhesive layer.
4. The heat dissipation type molded case circuit breaker according to claim 3, wherein: and a heat conducting fin is fixedly bonded on the inner wall of the other end of the longitudinal heat conducting pipe, and the manufacturing material of the heat conducting fin comprises a graphite heat conducting fin.
5. The heat dissipation type molded case circuit breaker according to claim 1, wherein: the radiating piece comprises a radiating block, the inner wall of the slot is in a trapezoid shape, and the surface of the radiating block close to the slot is matched with the inner wall of the slot.
6. The heat dissipation type molded case circuit breaker according to claim 5, wherein: the heat dissipation blocks are fixedly connected through the connecting rods, U-shaped pipes are fixedly mounted in the heat dissipation blocks and the connecting rods, heat absorption boxes are fixedly communicated with the two ends of each U-shaped pipe, and heat absorption oil is arranged in the heat absorption boxes.
7. The heat dissipation type molded case circuit breaker according to claim 5, wherein: the surface of the radiating block is provided with a radiating groove, and the inner bottom wall of the radiating groove is in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723149.0U CN209822578U (en) | 2019-05-20 | 2019-05-20 | Heat dissipation type moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723149.0U CN209822578U (en) | 2019-05-20 | 2019-05-20 | Heat dissipation type moulded case circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN209822578U true CN209822578U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920723149.0U Expired - Fee Related CN209822578U (en) | 2019-05-20 | 2019-05-20 | Heat dissipation type moulded case circuit breaker |
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| CN (1) | CN209822578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248657A (en) * | 2020-10-22 | 2021-01-22 | 湖南凯通电子有限公司 | Cooling device and cooling method for thermal printing head |
-
2019
- 2019-05-20 CN CN201920723149.0U patent/CN209822578U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248657A (en) * | 2020-10-22 | 2021-01-22 | 湖南凯通电子有限公司 | Cooling device and cooling method for thermal printing head |
| CN112248657B (en) * | 2020-10-22 | 2021-07-02 | 湖南凯通电子有限公司 | Cooling device and cooling method for thermal printing head |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |