CN212848113U

CN212848113U - Convenient radiating moulded case circuit breaker

Info

Publication number: CN212848113U
Application number: CN202022244787.XU
Authority: CN
Inventors: 蔡余敏
Original assignee: Meinuo Electric Fujian Co ltd
Current assignee: Meinuo Electric Fujian Co ltd
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-03-30
Anticipated expiration: 2030-10-11

Abstract

The utility model discloses a convenient radiating moulded case circuit breaker, including the circuit breaker casing, it still includes wind box and heating panel, circuit breaker casing both sides surface all is equipped with the installing port, wind box and heating panel are respectively through screw fixed mounting in two installing ports, and heating panel outside surface has the protrusion frame at first vent position fixed mounting, and the inside even fixed mounting of protrusion frame has the multiunit fin, the even vertical first radiating groove of multichannel of having seted up of heating panel inside wall, equal fixed mounting has the heat absorption pipe in the first radiating groove. The utility model discloses simple structure can absorb the heat fast through the heat-absorbing pipe, then under the effect of fan, can blow the heat to the protrusion frame in, then discharge from the air outlet, reduces the inside temperature of circuit breaker casing, and when the fan did not start, the fin in the protrusion frame also can carry out the heat transfer with the outside air to reduce the inside temperature of circuit breaker casing, improved the scattered thermal effect of circuit breaker.

Description

Convenient radiating moulded case circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, more specifically say, in particular to convenient radiating moulded case circuit breaker.

Background

The breaker is used for cutting off or connecting a connection, and compared with a switch, the breaker is internally provided with a short-circuit prevention and current limiting device, has higher safety, and is widely applied to building circuits and various electrical equipment. The circuit breaker has certain protection functions in the circuit, such as overload, short circuit, undervoltage and leakage protection, besides the function of starting control. The existing circuit breaker has low heat dissipation efficiency and is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient radiating moulded case circuit breaker to overcome the defect that prior art exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a plastic case breaker convenient for heat dissipation comprises a breaker shell, a wind box and a heat dissipation plate, the surfaces of two sides of the shell of the circuit breaker are respectively provided with an installation opening, the wind box and the heat dissipation plate are respectively fixedly installed in the two installation openings through screws, the upper end of the outer surface of the heat dissipation plate is provided with a first ventilation opening communicated with the shell of the circuit breaker, the outer surface of the heat dissipation plate is fixedly provided with a convex frame at the position of the first ventilation opening, the lower part of the convex frame is provided with an air outlet, a plurality of groups of heat dissipation fins are uniformly and fixedly arranged in the convex frame, a plurality of first radiating grooves are uniformly and vertically arranged on the inner side wall of the radiating plate, heat absorbing pipes are fixedly arranged in the first radiating grooves, the middle part of the inner side wall of the air box is fixedly provided with a fan, the inner side wall of the air box is provided with second ventilation ports at the positions of two sides of the fan, the second ventilation ports are communicated in the shell of the circuit breaker, and the outer side wall of the air box is provided with an opening.

Furthermore, a dustproof filter screen is fixedly installed in the opening.

Further, the upper end of the first heat dissipation groove is communicated with the first ventilation opening.

Further, a plurality of second radiating grooves are vertically formed in the surface of the outer side of the radiating plate, and the second radiating grooves are located below the protruding frame.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses simple structure can increase the inside heat exchange efficiency of circuit breaker casing through seting up first radiating groove, can absorb the heat fast through the heat absorption pipe, then under the effect of fan, can blow the heat to the protrusion frame in, then discharge from the air outlet, reduce the inside temperature of circuit breaker casing, and when the fan did not start, the fin in the protrusion frame also can carry out the heat transfer with the outside air to reduce the inside temperature of circuit breaker casing, improved the radiating efficiency of circuit breaker.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural diagram of a molded case circuit breaker facilitating heat dissipation according to the present invention;

fig. 2 is a sectional view of the plastic case circuit breaker facilitating heat dissipation according to the present invention;

fig. 3 is a view showing a structure of a heat dissipating plate according to the present invention.

In the figure: the air-conditioning device comprises a breaker shell 1, a mounting opening 2, an air box 3, a heat dissipation plate 4, a protruding frame 5, an air outlet 6, a heat dissipation plate 7, a first ventilation opening 8, a first heat dissipation groove 9, a heat absorption pipe 10, a second heat dissipation groove 11, a fan 12, a second ventilation opening 13 and an opening 14.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1, 2 and 3, the utility model provides a conveniently heat-dissipating molded case circuit breaker, which comprises a circuit breaker case 1, a wind box 3 and a heat dissipation plate 4, wherein both side surfaces of the circuit breaker case 1 are provided with mounting ports 2, the wind box 3 and the heat dissipation plate 4 are respectively fixedly mounted in the two mounting ports 2 through screws, the upper end of the outer side surface of the heat dissipation plate 4 is provided with a first ventilation opening 8 communicated with the circuit breaker case 1, the outer side surface of the heat dissipation plate 3 is fixedly provided with a convex frame 5 at the position of the first ventilation opening 8, the lower part of the convex frame 5 is provided with an air outlet 6, a plurality of groups of heat dissipation plates 7 are uniformly and fixedly mounted in the convex frame 5, a plurality of first heat dissipation grooves 9 are uniformly and vertically formed in the inner side wall of the heat dissipation plate 4, heat absorption pipes 10 are fixedly mounted in the first heat dissipation grooves 9, a fan 12 is fixedly mounted in, the second ventilation opening 13 is communicated with the inside of the breaker shell 1, and an opening 14 is formed in the outer side wall of the wind box 3.

In this embodiment, the opening 14 is fixedly provided with a dustproof filter screen to prevent dust from entering the circuit breaker housing 1.

In this embodiment, the upper end of the first heat dissipation groove 9 is communicated with the first ventilation opening 8, so that the heat of the heat absorption tube 10 can be quickly dissipated to the air outlet 6.

In this embodiment, a plurality of second heat dissipation grooves 11 are uniformly and vertically formed in the outer side surface of the heat dissipation plate 4, and the second heat dissipation grooves 11 are located below the protruding frame 5, so that heat dissipation of the heat dissipation plate 4 body is guaranteed.

The utility model discloses a theory of operation: can increase the inside heat exchange efficiency of circuit breaker casing 1 through seting up first radiating groove 9, can absorb the heat fast through heat-absorbing pipe 10, then under fan 12's effect, can blow the heat to in the protrusion frame 5, then discharge from air outlet 6, reduce the inside temperature of circuit breaker casing 1, and when fan 12 did not start, fin 7 in the protrusion frame 5 also can carry out the heat transfer with the outside air to reduce the inside temperature of circuit breaker casing 1.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. The utility model provides a convenient radiating moulded case circuit breaker, includes circuit breaker casing, its characterized in that: it still includes wind box and heating panel, circuit breaker casing both sides surface all is equipped with the installing port, wind box and heating panel are respectively through screw fixed mounting in two installing ports, the first vent that feeds through in the circuit breaker casing is seted up to heating panel outside surface upper end, and heating panel outside surface has the protrusion frame at first vent fixed position, and protrusion frame lower part is equipped with the air outlet, and the inside even fixed mounting of protrusion frame has the multiunit fin, the even vertical first radiating groove of multichannel of having seted up of heating panel inside wall, equal fixed mounting has the heat absorption pipe in the first radiating groove, wind box inside wall middle part fixed mounting has the fan, the second vent has all been seted up in fan both sides position to wind box inside wall, and the second vent communicates in the circuit breaker casing, the opening has been seted up to wind box lateral wall.

2. The molded case circuit breaker facilitating heat dissipation according to claim 1, wherein: and a dustproof filter screen is fixedly arranged in the opening.

3. The molded case circuit breaker facilitating heat dissipation according to claim 1, wherein: the upper end of the first heat dissipation groove is communicated with the first ventilation opening.

4. The molded case circuit breaker facilitating heat dissipation according to claim 1, wherein: the surface of the outer side of the heating panel is uniformly and vertically provided with a plurality of second heat dissipation grooves, and the second heat dissipation grooves are located below the protruding frame.