CN211350503U

CN211350503U - Electric primary circuit breaker heat abstractor

Info

Publication number: CN211350503U
Application number: CN201922482128.7U
Authority: CN
Inventors: 赵海彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-25
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an electric circuit breaker heat abstractor, including shell and heat dissipation box, the fixed orifices has been seted up to the four corners department of shell, and inlays on the left side outer wall of shell and have the hou gai, it has the heat dissipation box to inlay on the right side outer wall of shell, and has all seted up the ventilation window on the both sides outer wall around the heat dissipation box, the top in stretching groove is inlayed and is had the button, cover after and seted up the ripple groove, and cover after and bond and have the backing plate, and the back lid passes through backing plate and spring post fixed connection, the opposite side outer wall of spring post passes through the fin and is connected with the circuit board cooperation, and the circuit board passes through the inner wall fixed connection of limiting plate and shell. The utility model discloses a be provided with a series of structures and solved current electric circuit breaker and can produce the high heat at the during operation, and the circuit breaker that links up can produce the performance of hot-air a large amount of gathering seriously influence the circuit breaker and influence its operational environment, the great problem of limitation for totally enclosed structure.

Description

Electric primary circuit breaker heat abstractor

Technical Field

The utility model relates to a circuit breaker equipment technical field specifically is an electric primary circuit breaker heat abstractor.

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, high-low pressure boundary line divides the comparison fuzziness, generally with the high-voltage apparatus of being called more than 3kV, at present, the circuit breaker of current electricity can produce the high heat at the during operation, and the circuit breaker that links up can produce the performance of the serious influence circuit breaker of hot-air gathering and influence its operational environment for totally enclosed structure, the great problem of limitation, consequently, it is necessary to improve prior art, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an electric primary breaker heat abstractor to solve the problem that proposes among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device for an electric primary circuit breaker comprises a shell and a heat dissipation box, wherein fixing holes are formed in four corners of the shell, a rear cover is inlaid on the outer wall of the left side of the shell, the heat dissipation box is inlaid on the outer wall of the right side of the shell, air exchange windows are formed in the outer walls of the front side and the rear side of the heat dissipation box, a stretching groove is formed in the outer wall of the right side of the heat dissipation box, a stretching rod is inserted in the stretching groove, a button is inlaid above the stretching groove, an equipment cavity is formed in the shell, a heat dissipation cavity is formed in the heat dissipation box, a corrugated groove is formed in the rear cover, a backing plate is bonded on the rear cover, the rear cover is fixedly connected with a spring column through the backing plate, the outer wall of the other side of the spring column is connected with a circuit board in a matched mode through a cooling fin, the circuit board is fixedly connected with the inner wall, and the heat dissipation box is connected with the outer wall of the micro motor in a matching way through a support, and a rotating shaft of the micro motor is sleeved with a heat dissipation fan.

Preferably, the shell is connected with the rear cover through a clamping groove in a buckling mode, and the shell is communicated with the external environment of the rear cover through a corrugated groove.

Preferably, the number of the spring columns is four, and the spring columns are arranged at four corners of the inner side wall of the rear cover.

Preferably, the limiting plate is arranged in an L-shaped structure, and the inner wall of the clamping groove of the limiting plate is connected with the outer wall of the circuit board in a matching manner.

Preferably, the right side wall of the equipment cavity is communicated with the outer wall of the left side of the heat dissipation cavity, and the heat dissipation cavity is communicated with the external environment through the stretching groove in the right side wall of the heat dissipation box.

Preferably, the heat dissipation fan is fixedly connected with a rotating shaft of the micro motor through a bolt, and the outer wall of the tail end of the rotating shaft of the micro motor is fixedly connected with the inner wall of the heat dissipation box through a bearing.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: this electric circuit breaker heat abstractor once for circuit breaker is through setting up heat dissipation box, corrugated groove, micro motor, heat dissipation fan for traditional electric circuit breaker, solved current electric circuit breaker once and can produce the high heat at the during operation, and the circuit breaker that links up can produce the performance and influence its operational environment that the circuit breaker is seriously influenced in a large amount of accumulations of hot air for totally enclosed structure, the great problem of limitation.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

fig. 3 is an overall rear view of the present invention.

The reference numbers in the figures are: 1. a housing; 2. a fixing hole; 3. a rear cover; 4. a heat dissipation box; 5. a ventilation window; 6. a drawing tank; 7. a stretch rod; 8. a button; 9. an equipment chamber; 10. a heat dissipation cavity; 11. a corrugated groove; 12. a base plate; 13. a spring post; 14. a heat sink; 15. a limiting plate; 16. a circuit board; 17. a support; 18. a micro motor; 19. a heat dissipation fan.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a heat dissipation device for an electrical primary circuit breaker comprises a shell 1 and a heat dissipation box 4, wherein fixing holes 2 are formed in four corners of the shell 1, a rear cover 3 is inlaid on the outer wall of the left side of the shell 1, the heat dissipation box 4 is inlaid on the outer wall of the right side of the shell 1, air exchange windows 5 are formed in the outer walls of the front side and the rear side of the heat dissipation box 4, the air exchange windows 5 facilitate gas exchange of the heat dissipation box 4, a stretching groove 6 is formed in the outer wall of the right side of the heat dissipation box 4, a stretching rod 7 is inserted in the stretching groove 6, a button 8 is inlaid above the stretching groove 6, an equipment cavity 9 is formed in the shell 1, a heat dissipation cavity 10 is formed in the heat dissipation box 4, a corrugated groove 11 is formed in the rear cover 3, the corrugated groove 11 can play a role in convection of air inside and outside the equipment, a backing plate 12 is bonded on the rear cover 3, the rear cover 3 is fixedly connected with a spring column 13 through the backing plate 12, the circuit board 16 is fixedly connected with the inner wall of the shell 1 through a limiting plate 15, a support 17 is bonded on the inner wall of the bottom of the heat dissipation cavity 10, the heat dissipation box 4 is connected with the outer wall of the micro motor 18 through the support 17 in a matching mode, the support 17 can play a role in fixing and supporting the micro motor 18, and a rotating shaft of the micro motor 18 is sleeved with a heat dissipation fan 19.

The rear cover 3 is connected with the left outer wall of the shell 1 in a buckling manner, the equipment cavity 9 can be communicated with the external environment through a corrugated groove 11 on the rear cover 3, the corrugated groove 11 is in a corrugated structure arrangement and can play a certain effect of blocking moist gas and dust, the four corners of the inner side wall of the rear cover 3 are respectively provided with a spring post 13, so that the rear cover 3 can clamp the circuit board 16 through the spring posts 13 at the closing time, one side outer wall of a limiting plate 15 is connected with the inner wall of the shell 1 in an adhering manner, the inner side wall of the limiting plate 15 with an L-shaped structure is contacted with the outer wall of a non-functional area of the circuit board 16, the purposes of clamping and limiting the circuit board 16 are achieved, the equipment cavity 9 is communicated with the heat dissipation cavity 10, the heat dissipation cavity 10 is communicated with the external environment due to the right stretching groove 6, and the air flow rate of the, the completeness of heat dissipation performance is guaranteed, the rotating shaft of the micro motor 18 is fixedly connected with the heat dissipation fan 19 through a bolt, and then the micro motor 18 is guaranteed to drive the heat dissipation fan 19 to rotate at the rotating moment, the purpose of accelerating the flow rate of gas inside the heat dissipation box 4 is achieved, and meanwhile the heat dissipation box 4 is connected with the outer wall of the tail end of the micro motor 18 through a bearing.

The working principle is as follows: when the circuit breaker is used, the rear cover 3 is opened, the circuit board 16 of the circuit breaker is placed on the limiting plate 15 to be clamped, then the rear cover 3 is closed, the spring columns 13 on the rear cover 3 drive the radiating fins 14 to clamp the circuit board 16, the phenomenon that the circuit board 16 shakes and falls is avoided, the radiating fins 14 do not influence the normal work of the circuit board 16, meanwhile, the circuit breaker can also carry out radiating work, then when the circuit breaker normally works, the micro motor 18 works and drives the radiating fan 19 to rotate, further, the gas flow rate in the shell 1 and the radiating box 4 is accelerated, the gas heat in the circuit breaker is also consumed while the gas flow rate is accelerated, meanwhile, high-heat gas in the circuit breaker is also accelerated to be discharged to the outside of the shell 1 through the ventilating window 5, air convection is generated, cold air enters the circuit breaker, and the radiating work is accelerated to be carried out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric primary circuit breaker heat abstractor, includes shell (1) and heat dissipation box (4), its characterized in that: the heat dissipation device is characterized in that fixing holes (2) are formed in four corners of the shell (1), a rear cover (3) is inlaid on the outer wall of the left side of the shell (1), a heat dissipation box (4) is inlaid on the outer wall of the right side of the shell (1), air exchange windows (5) are formed in the outer walls of the front side and the rear side of the heat dissipation box (4), a stretching groove (6) is formed in the outer wall of the right side of the heat dissipation box (4), a stretching rod (7) is inserted in the stretching groove (6), a button (8) is inlaid above the stretching groove (6), an equipment cavity (9) is formed in the shell (1), a heat dissipation cavity (10) is formed in the heat dissipation box (4), a corrugated groove (11) is formed in the rear cover (3), a backing plate (12) is bonded on the rear cover (3), the rear cover (3) is fixedly connected with a spring column (13) through the backing plate (12), and the other side of the outer wall of the spring column (13) is connected with a circuit board (, and inner wall fixed connection that circuit board (16) passed through limiting plate (15) and shell (1), it has support (17) to bond on the bottom inner wall in heat dissipation chamber (10), and heat dissipation box (4) are connected through the outer wall cooperation of support (17) with micro motor (18), heat dissipation fan (19) has been cup jointed in the pivot of micro motor (18).

2. An electrical primary circuit breaker heat sink as claimed in claim 1, wherein: the shell (1) is connected with the rear cover (3) in a buckling mode through a clamping groove, and the shell (1) is communicated with the external environment of the rear cover (3) through a corrugated groove (11).

3. An electrical primary circuit breaker heat sink as claimed in claim 1, wherein: the number of the spring columns (13) is four, and the spring columns (13) are arranged at four corners of the inner side wall of the rear cover (3).

4. An electrical primary circuit breaker heat sink as claimed in claim 1, wherein: the limiting plate (15) is arranged in an L-shaped structure, and the inner wall of the clamping groove of the limiting plate (15) is connected with the outer wall of the circuit board (16) in a matched mode.

5. An electrical primary circuit breaker heat sink as claimed in claim 1, wherein: the right side wall of the equipment cavity (9) is communicated with the outer wall of the left side of the heat dissipation cavity (10), and the heat dissipation cavity (10) is communicated with the external environment through the stretching groove (6) on the right side wall of the heat dissipation box (4).

6. An electrical primary circuit breaker heat sink as claimed in claim 1, wherein: the heat dissipation fan (19) is fixedly connected with a rotating shaft of the micro motor (18) through a bolt, and the outer wall of the tail end of the rotating shaft of the micro motor (18) is fixedly connected with the inner wall of the heat dissipation box (4) through a bearing.