CN217280626U - Circuit breaker shell - Google Patents

Abstract

The utility model discloses a circuit breaker casing, including the shell main part, the sunken bolt hole that is equipped with in the positive top of shell main part, shell main part inner chamber bottom is installed to the interface, and shell main part inner chamber mid-mounting has the breather pipe, and the visor is installed to the positive block of shell main part, inlays in the visor inner wall to establish and installs the fuse, and projection and switch are installed to the positive outer wall of visor, and radiating fin is installed to projection outer wall side. This kind of circuit breaker casing, receive outside striking when damaged when projection or visor, the fuse pressurized short circuit, electric connection starts buzzer siren and warning light, be used for reminding the user to pay attention to safety and in time change the maintenance, be convenient for the inside air current circulation wind channel of buildding of circuit breaker housing main part, be used for assisting the inside forced air cooling of circuit breaker, guarantee inside device operational environment and, improve device life, jointly function through radiating fin and blast pipe, further extract the inside heat diffusion of guide, improve wind channel forced air cooling radiating effect.

Description

Circuit breaker shell

Technical Field

The utility model relates to a circuit breaker technical field specifically is a circuit breaker housing.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker divide into high voltage circuit breaker and low voltage circuit breaker according to its application range, no matter be high voltage circuit breaker or low voltage circuit breaker generally place the device of circuit breaker on insulating casing, the casing generally uses the bolt to fix and seals, seals the device of circuit breaker inside the casing, plays insulating effect, but the casing becomes fragile after using for a long time easily, leads to insulating properties to reduce, leads to the emergence that causes the incident easily, and the security performance is poor. We have therefore made an improvement to this and have proposed a circuit breaker housing.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a circuit breaker casing, including the shell main part, the sunken bolt hole that is equipped with in the positive top of shell main part, shell main part inner chamber bottom is installed to the interface, shell main part inner chamber mid-mounting has the breather pipe, the visor is installed to the positive block of shell main part, inlay in the visor inner wall and establish and install the fuse, projection and switch are installed to the positive outer wall of visor, radiating fin is installed to projection outer wall side, the inside blast pipe that is equipped with of radiating fin, the air inlet is installed to the projection bottom.

As a preferred technical scheme of the utility model, the bolt hole is a plurality of groups and every three groups are installed side by side, the region all is equipped with the bolt hole about shell main part and the positive outer wall of visor, the visor passes through bolt hole and bolt and shell main part and is connected fixedly.

As a preferred technical scheme of the utility model, it installs side by side to be a plurality of groups and every three group symmetries to the interface, inlay to the interface and establish and be located shell main body inner chamber bottom conch wall.

As a preferred technical scheme of the utility model, the breather pipe inlays to establish and installs on the shell body inner chamber conch wall, and breather pipe bottom and interface intercommunication, be equipped with a plurality of groups pore on the breather pipe wall.

As a preferred technical scheme of the utility model, the projection is six groups and every three group's symmetries are installed in visor outer wall both sides, the fuse inlays to be established and installs in visor and projection inner wall, visor surface mounting has buzzer siren and warning light, and fuse and buzzer siren and warning light electric connection.

As a preferred technical scheme of the utility model, the air inlet inlays to establish and installs on the projection diapire, and the air inlet top is equipped with the mouth of pipe and communicates with the interface, the inside "U" style of calligraphy air channel that is equipped with of projection, and air channel bottom and air inlet cut off, be equipped with the hole on the visor inner chamber wall and be connected with air channel.

As a preferred technical scheme of the utility model, radiating fin is a plurality of groups and every four groups and installs side by side at projection outer wall side, the blast pipe runs through to be installed inside radiating fin, and the blast pipe runs through radiating fin and ventilation channel intercommunication, blast pipe and air inlet port department all install the dust screen.

The utility model has the advantages that:

1. according to the breaker shell, the convex column is arranged on the surface of the protective cover, the convex column is used for protecting the switch, accidental touch is avoided, the fuse is embedded in the inner walls of the convex column and the protective cover, when the convex column or the protective cover is damaged by external impact, the fuse is pressed to be short-circuited, and the buzzer alarm and the alarm lamp are electrically connected and started for reminding a user of paying attention to safety and timely replacing and maintaining, so that the safety of the breaker shell is improved;

2. this kind of circuit breaker casing, through being equipped with the air inlet, to the interface, the breather pipe, ventilation corridor and radiating fin jointly function, be convenient for build the air current circulation wind channel for circuit breaker housing main part is inside for the inside forced air cooling of auxiliary circuit breaker, guarantee inside device operational environment with, improve device life, through radiating fin and blast pipe joint function, further extraction guide inside heat diffusion, improve wind channel forced air cooling radiating effect, simple structure is reasonable, high durability and convenient use have effectively solved current problem, higher practical value has.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a circuit breaker housing of the present invention;

fig. 2 is an enlarged view of the circuit breaker housing at a of the present invention;

fig. 3 is a bottom structure view of a protective cover of a circuit breaker housing according to the present invention;

fig. 4 is an internal structure diagram of the main body of the circuit breaker case of the present invention.

In the figure: 1. a housing main body; 2. a protective cover; 3. bolt holes; 4. a convex column; 5. a switch; 6. a heat dissipating fin; 7. an exhaust pipe; 8. an air inlet; 9. a fuse; 10. a butt joint port; 11. a breather tube.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model relates to a circuit breaker casing, including shell main part 1, the sunken bolt hole 3 that is equipped with in 1 positive tops of shell main part, 1 inner chamber bottom of shell main part is installed and is interfaced 10, 1 inner chamber mid-mounting of shell main part has breather pipe 11, 1 positive block of shell main part installs visor 2, inlay in 2 inner walls of visor and establish and install fuse 9, projection 4 and switch 5 are installed to 2 positive outer walls of visor, fin 6 is installed to 4 outer wall sides of projection, fin 6 is inside to be equipped with blast pipe 7, air inlet 8 is installed to 4 bottoms of projection.

Wherein, bolt hole 3 is a plurality of groups and every three groups are installed side by side, and the region all is equipped with bolt hole 3 about shell main part 1 and the positive outer wall of visor 2, and visor 2 is connected fixedly through bolt hole 3 and bolt and shell main part 1, and device connection fixed knot constructs.

The docking ports 10 are arranged in a plurality of groups, and each three groups of the docking ports are symmetrically arranged side by side, and the docking ports 10 are embedded in the wall of the bottom of the inner cavity of the shell body 1 and used for guiding external air flow to enter the inner cavity of the shell body 1.

Wherein, the breather pipe 11 inlays to establish and installs on 1 inner chamber conch wall of shell main part, and 11 bottoms of breather pipe and interface 10 intercommunication, is equipped with a plurality of groups of pores on 11 pipe walls of breather pipe for supplementary air current dispersion flows, realizes the inner chamber large tracts of land cooling.

Wherein, projection 4 is six groups and every three group symmetries are installed in 2 outer wall both sides of visor, and fuse 9 inlays to establish and installs in visor 2 and 4 inner walls of projection, and 2 surface mounting of visor have buzzer siren and warning light, and fuse 9 and buzzer siren and warning light electric connection for remind the user to pay attention to safety and change the maintenance in time.

Wherein, the air inlet 8 is embedded and installed on the bottom wall of the convex column 4, the top of the air inlet 8 is provided with a pipe orifice communicated with the butt joint port 10, a U-shaped ventilation channel is arranged inside the convex column 4, the bottom of the ventilation channel is separated from the air inlet 8, and the inner cavity wall of the protective cover 2 is provided with holes connected with the ventilation channel.

The heat dissipation fins 6 are in a plurality of groups, every four groups of heat dissipation fins are arranged on the side edge of the outer wall of the convex column 4 side by side, the exhaust pipe 7 penetrates through the heat dissipation fins 6 and is installed inside the heat dissipation fins 6, the exhaust pipe 7 penetrates through the heat dissipation fins 6 and is communicated with the ventilation channel, and dust screens are installed at the ports of the exhaust pipe 7 and the air inlet 8.

The working principle is as follows: the convex column 4 is arranged on the surface of the protective cover 2, the switch 5 is protected by the convex column 4, accidental touch is avoided, the fuse 9 is embedded in the inner walls of the convex column 4 and the protective cover 2, when the convex column 4 or the protective cover 2 is damaged by external impact, the fuse 9 is pressed and short-circuited, and the buzzer alarm and the alarm lamp are electrically connected and started for reminding a user of paying attention to safety and timely replacing and maintaining; through being equipped with air inlet 8, to interface 10, breather pipe 11, ventilation corridor and radiating fin 6 combined operation, be convenient for build the air current circulation wind channel for circuit breaker housing main part 1 is inside for the inside forced air cooling of auxiliary circuit breaker, guarantee inside device operational environment with, improve device life, through radiating fin 6 and the joint operation of blast pipe 7, further extract and guide inside heat diffusion, improve wind channel forced air cooling radiating effect, simple structure is reasonable, high durability and convenient use have effectively solved current problem, and the device has higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a circuit breaker casing, includes shell main part (1), its characterized in that, shell main part (1) openly the top is sunken to be equipped with bolt hole (3), shell main part (1) inner chamber bottom is installed to interface (10), shell main part (1) inner chamber mid-mounting has breather pipe (11), visor (2) are installed to shell main part (1) openly block, inlay in visor (2) inner wall and establish and install fuse (9), projection (4) and switch (5) are installed to visor (2) openly outer wall, radiating fin (6) are installed to projection (4) outer wall side, inside blast pipe (7) that are equipped with of radiating fin (6), air inlet (8) are installed to projection (4) bottom.

2. The circuit breaker casing according to claim 1, wherein the bolt holes (3) are arranged in a plurality of groups, and each three groups are arranged side by side, the bolt holes (3) are arranged in the upper and lower regions of the front outer walls of the casing main body (1) and the protective cover (2), and the protective cover (2) is fixedly connected with the casing main body (1) through the bolt holes (3) and bolts.

3. The circuit breaker casing according to claim 1, wherein the docking ports (10) are arranged in a plurality of groups, and each three groups are symmetrically arranged side by side, and the docking ports (10) are embedded in the bottom wall of the inner cavity of the main casing body (1).

4. The circuit breaker casing according to claim 1, wherein the vent pipe (11) is embedded in and installed on the wall of the inner cavity of the main casing body (1), the bottom end of the vent pipe (11) is communicated with the butt joint port (10), and the wall of the vent pipe (11) is provided with a plurality of groups of pores.

5. The circuit breaker casing according to claim 1, wherein the convex column (4) is six groups and each three groups are symmetrically arranged on two sides of the outer wall of the protective cover (2), the fuse (9) is embedded and arranged in the inner walls of the protective cover (2) and the convex column (4), the protective cover (2) is provided with a buzzer alarm and an alarm lamp on the surface, and the fuse (9) is electrically connected with the buzzer alarm and the alarm lamp.

6. The circuit breaker casing according to claim 1, wherein the air inlet (8) is embedded and installed on the bottom wall of the convex column (4), the top of the air inlet (8) is provided with a pipe opening communicated with the butt joint opening (10), the convex column (4) is internally provided with a ventilation channel, the bottom of the ventilation channel is isolated from the air inlet (8), and the inner cavity wall of the protective cover (2) is provided with a hole connected with the ventilation channel.

7. The circuit breaker casing according to claim 1, wherein the heat dissipating fins (6) are provided in groups, four groups of heat dissipating fins are installed on the side of the outer wall of the convex column (4), the exhaust pipe (7) is installed inside the heat dissipating fins (6) in a penetrating manner, the exhaust pipe (7) is communicated with the ventilation channel in a penetrating manner through the heat dissipating fins (6), and dust screens are installed at the ports of the exhaust pipe (7) and the air inlet (8).

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