CN213816020U

CN213816020U - Small-size residual current circuit breaker that heat dispersion is good

Info

Publication number: CN213816020U
Application number: CN202120091783.4U
Authority: CN
Inventors: 程权利
Original assignee: Wuhan Ankao Technology Co ltd
Current assignee: Wuhan Ankao Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-07-27
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a small-sized leakage circuit breaker with good heat dissipation performance, which comprises a box body, wherein fixed frames are respectively arranged at two inner side edges of the box body, a small-sized leakage circuit breaker body is arranged between the fixed frames, an opening is arranged at the bottom of the box body, a shell is arranged at the bottom of the opening, a first fixed plate and a second fixed plate are arranged at the bottom end of the interior of the shell, a heat dissipation fan is arranged between the first fixed plate and the second fixed plate, thread sleeves are respectively arranged at the bottom ends of the two side edges of the heat dissipation fan, a threaded rod matched with the thread sleeves is arranged between the first fixed plate and the second fixed plate, a positive and negative motor is arranged at one side edge of the first fixed plate far away from the second fixed plate, the threaded rod is connected with the positive and negative motor, and a controller is arranged at one side edge of the second fixed plate far away from the first fixed plate, and pressure sensors are arranged at the top ends of the two mutually close sides of the first fixing plate and the second fixing plate.

Description

Small-size residual current circuit breaker that heat dispersion is good

Technical Field

The utility model relates to a residual current circuit breaker technical field particularly, relates to a small-size residual current circuit breaker that heat dispersion is good.

Background

The leakage circuit breaker is used for preventing personal electric shock and is selected according to different requirements of direct contact and indirect contact electric shock protection; the existing small-sized electric leakage circuit breaker cannot achieve better heat dissipation performance in the using process, so that the small-sized electric leakage circuit breaker cannot operate better, the use safety of a user is affected, and the use requirements of people cannot be better met.

In summary, how to enable the small residual current circuit breaker to achieve a better heat dissipation effect is a technical problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is not enough more than to, provide a small-size electric leakage circuit breaker that heat dispersion is good, solve how can make small-size electric leakage circuit breaker reach the problem of better radiating effect.

The technical scheme of the utility model is realized like this:

a small-sized electric leakage circuit breaker with good heat dissipation performance comprises a box body, wherein fixed frames are installed on two inner side edges of the box body, a small-sized electric leakage circuit breaker body is installed between the fixed frames, an opening is formed in the bottom of the box body, a shell is installed at the bottom of the opening, a first fixed plate and a second fixed plate are installed at the bottom end of the inner portion of the shell, a heat dissipation fan is installed between the first fixed plate and the second fixed plate, thread sleeves are installed at the bottom ends of the two side edges of the heat dissipation fan, a threaded rod matched with the thread sleeves is installed between the first fixed plate and the second fixed plate, a positive and negative motor is installed on one side edge, away from the second fixed plate, of the first fixed plate, the threaded rod is connected with the positive and negative motor, a controller is installed on one side edge, away from the first fixed plate, of the second fixed plate, close to the top end of the one side edge, of the first fixed plate and the second fixed plate, are both provided with a pressure sensor, the top frame is installed at the top of box, the top of top frame is inlayed and is established and install dustproof heat dissipation otter board one, the both sides limit of top frame is all inlayed and is established and install dustproof heat dissipation otter board two.

Preferably, a protective mesh plate is installed inside the opening.

Preferably, the bottom of the threaded sleeve is provided with positioning rings, and positioning rods matched with the positioning rings are arranged between the first fixing plate and the second fixing plate and at positions corresponding to the positioning rings.

Preferably, a fixed shell is mounted on the outer side edge of the forward and reverse motor, and the fixed shell is fixedly connected with the first fixed plate.

Preferably, two side edges of the shell are provided with dustproof air inlet net plates.

Preferably, the connecting plates are mounted on two side edges of the bottom end of the top frame, and the connecting plates are provided with fixing holes in a penetrating mode.

Preferably, the two side edges of the top of the box body are both provided with connecting grooves matched with the connecting plates, one side edge of each connecting groove, which is close to each other, is both provided with a fixing groove matched with the fixing hole, and the top ends of the two side edges of the box body, which correspond to the connecting grooves, are both provided with fixing bolts matched with the fixing holes.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. through positive and negative motor with the threaded rod and the thread bush the controller with under pressure sensor's the interact, drive that can be better the cooling fan removes, the cooperation dustproof heat dissipation otter board one with the interact of dustproof heat dissipation otter board two, can be better right the small-size earth leakage circuit breaker body carries out the heat dissipation operation to be convenient for can be better satisfy people's user demand.

2. Through the utility model discloses fine solution how can make small-size electric leakage circuit breaker reach the problem of better radiating effect for small-size electric leakage circuit breaker can reach better heat dispersion at the in-process that uses, thereby has ensured that small-size electric leakage circuit breaker can't be better operates, assurance user's that can be better safety in utilization, and then be convenient for can be better satisfy people's user demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 schematic structural diagram according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of a top frame and a box body according to an embodiment of the present invention.

In the figure:

1. a box body; 2. a fixing frame; 3. a small residual current circuit breaker body; 4. an opening; 5. a housing; 6. a first fixing plate; 7. a second fixing plate; 8. a heat radiation fan; 9. a threaded sleeve; 10. a threaded rod; 11. a positive and negative motor; 12. a controller; 13. a pressure sensor; 14. a top frame; 15. a first dustproof heat dissipation screen plate; 16. a second dustproof heat dissipation screen plate; 17. a protective mesh plate; 18. a positioning ring; 19. positioning a rod; 20. a dustproof air inlet net plate; 21. a connecting plate; 22. a fixing hole; 23. connecting grooves; 24. fixing grooves; 25. and (5) fixing the bolt.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention will be further explained with reference to the drawings and the specific embodiments.

In the first embodiment, as shown in fig. 1-2, a small leakage circuit breaker with good heat dissipation performance according to an embodiment of the present invention includes a box 1, fixed frames 2 are mounted on both sides of the inside of the box 1, a small leakage circuit breaker body 3 is mounted between the fixed frames 2, an opening 4 is formed in the bottom of the box 1, a housing 5 is mounted at the bottom of the opening 4, a first fixed plate 6 and a second fixed plate 7 are mounted at the bottom end of the inside of the housing 5, a heat dissipation fan 8 is mounted between the first fixed plate 6 and the second fixed plate 7, thread sleeves 9 are mounted at the bottom ends of both sides of the heat dissipation fan 8, a threaded rod 10 adapted to the thread sleeves 9 is mounted between the first fixed plate 6 and the second fixed plate 7, and a positive and negative motor 11 is mounted on one side of the first fixed plate 6 away from the second fixed plate 7, the threaded rod 10 is connected with the positive and negative motor 11, a controller 12 is installed on one side edge of the first fixed plate 6 away from the second fixed plate 7, a pressure sensor 13 is installed on the top end of one side edge of the first fixed plate 6 close to the first fixed plate 6 and the second fixed plate 7, the top of the box body 1 is provided with a top frame 14, a first dustproof heat dissipation screen plate 15 is installed on the top of the top frame 14 in an embedded mode, a second dustproof heat dissipation screen plate 16 is installed on the two side edges of the top frame 14 in an embedded mode, and under the interaction of the controller 12 and the pressure sensor 13, the heat dissipation fan 8 can be better driven to move to match the interaction of the first dustproof heat dissipation screen plate 15 and the second dustproof heat dissipation screen plate 16, so that the small-sized leakage circuit breaker body 3 can be better subjected to heat dissipation operation, thereby being convenient for satisfying the use requirements of people better.

In the second embodiment, as shown in fig. 1, a guard net plate 17 is installed inside the opening 4; can be better right small-size residual current circuit breaker body 3 protects to be convenient for can be better satisfy people's user demand.

In the third embodiment, as shown in fig. 1, positioning rings 18 are mounted at the bottoms of the threaded sleeves 9, and positioning rods 19 adapted to the positioning rings 18 are mounted between the first fixing plate 6 and the second fixing plate 7 and at positions corresponding to the positioning rings 18; can make the more stable removal that moves of thread bush 9 to be convenient for can ensure the stability that cooling fan 8 removed is convenient for can reach better radiating effect, and then be convenient for can be better satisfy people's user demand.

In the fourth embodiment, as shown in fig. 1, a fixed shell is installed at the outer side of the forward and reverse motor 11, and the fixed shell is fixedly connected with the first fixed plate 6; can make positive and negative motor 11 reaches better stability to be convenient for can be better satisfy people's user demand.

In the fifth embodiment, as shown in fig. 1, two side edges of the housing 5 are both provided with dust-proof air inlet net plates 20; can ensure radiator fan 8 reaches better air inlet effect, and can avoid the entering of dust to be convenient for can be better satisfy people's user demand.

In a sixth embodiment, as shown in fig. 1 and 2, connecting plates 21 are respectively installed on two side edges of the bottom end of the top frame 14, fixing holes 22 are respectively formed through the connecting plates 21, connecting grooves 23 adapted to the connecting plates 21 are respectively formed on two side edges of the top of the box body 1, fixing grooves 24 adapted to the fixing holes 22 are respectively formed on one side edges, close to each other, inside the connecting grooves 23, and fixing bolts 25 adapted to the fixing holes 22 are respectively installed at positions, corresponding to the connecting grooves 23, of the top ends of the two side edges of the box body 1; can make the top frame better with the box is connected, and is convenient for dismantle when using, right dustproof heat dissipation otter board one with dustproof heat dissipation otter board two washs to be convenient for can be better satisfy people's user demand.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In the time of practical application, through positive and negative motor 11 with threaded rod 10 and thread bush 9 controller 12 with under pressure sensor 13's the interact, drive that can be better heat dissipation fan 8 removes, the cooperation dustproof heat dissipation otter board 15 with dustproof heat dissipation otter board two 16's the interact, can be better right miniature earth leakage circuit breaker body 3 carries out the radiating operation for miniature earth leakage circuit breaker can reach better heat dispersion at the in-process that uses, thereby has ensured the unable better operation that runs of miniature earth leakage circuit breaker, assurance user's that can be better safety in utilization, and then be convenient for can be better satisfy people's user demand.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The small residual current circuit breaker with good heat dissipation performance is characterized by comprising a box body (1), wherein fixed frames (2) are installed on two sides of the inside of the box body (1), a small residual current circuit breaker body (3) is installed between the fixed frames (2), an opening (4) is formed in the bottom of the box body (1), a shell (5) is installed at the bottom of the opening (4), a first fixed plate (6) and a second fixed plate (7) are installed at the bottom of the inside of the shell (5), a heat dissipation fan (8) is installed between the first fixed plate (6) and the second fixed plate (7), thread sleeves (9) are installed at the bottom ends of two sides of the heat dissipation fan (8), threaded rods (10) matched with the thread sleeves (9) are installed between the first fixed plate (6) and the second fixed plate (7), and a positive and negative motor (11) is installed on one side edge of the second fixed plate (7) far away from the first fixed plate (6), just threaded rod (10) with positive and negative motor (11) are connected, keep away from fixed plate two (7) controller (12) are installed to a side of fixed plate (6), fixed plate one (6) with pressure sensor (13) are all installed on a side top that fixed plate two (7) are close to each other, top frame (14) is installed at the top of box (1), the top of top frame (14) is inlayed and is established and install dustproof heat dissipation otter board one (15), the both sides limit of top frame (14) is all inlayed and is established and install dustproof heat dissipation otter board two (16).

2. A small-sized residual current circuit breaker with good heat dissipation performance according to claim 1, characterized in that a protection screen (17) is installed inside the opening (4).

3. The small residual current circuit breaker with good heat dissipation performance according to claim 1, wherein positioning rings (18) are mounted at the bottoms of the threaded sleeves (9), and positioning rods (19) matched with the positioning rings (18) are mounted between the first fixing plate (6) and the second fixing plate (7) and at positions corresponding to the positioning rings (18).

4. The small residual current circuit breaker with good heat dissipation performance as recited in claim 1, wherein a fixed casing is installed at the outer side of the forward and reverse motor (11), and the fixed casing is fixedly connected with the first fixed plate (6).

5. The small residual current circuit breaker with good heat dissipation performance according to claim 1, wherein two side edges of the casing (5) are respectively provided with a dustproof air inlet mesh plate (20).

6. The small residual current circuit breaker with good heat dissipation performance according to claim 1, wherein connecting plates (21) are mounted on two sides of the bottom end of the top frame (14), and fixing holes (22) are formed in the connecting plates (21) in a penetrating manner.

7. The small residual current circuit breaker with good heat dissipation performance according to claim 6, wherein two side edges of the top of the box body (1) are respectively provided with a connecting groove (23) matched with the connecting plate (21), one side edge of the inside of each connecting groove (23) close to each other is respectively provided with a fixing groove (24) matched with the fixing hole (22), and the top ends of the two side edges of the box body (1) are respectively provided with a fixing bolt (25) matched with the fixing hole (22) at a position corresponding to the connecting groove (23).