CN214542088U

CN214542088U - Plastic casing type circuit breaker

Info

Publication number: CN214542088U
Application number: CN202121025077.6U
Authority: CN
Inventors: 汪圣茂
Original assignee: Zhejiang Etk Electric Co ltd
Current assignee: Zhejiang Etk Electric Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-10-29
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a plastic shell type circuit breaker, which comprises a shell, wherein the middle part of the shell is provided with a mounting groove, the two sides of the inner wall of the mounting groove are provided with clamping grooves, the clamping grooves are clamped and connected with clamping blocks, the fixture block is fixedly connected with one side of the circuit breaker body, the center of the inner wall of the mounting groove is fixedly provided with a heat dissipation mechanism, the heat dissipation mechanism comprises a heat dissipation box and a heat dissipation fan, two sides of the bottom of the shell are respectively provided with a groove, the inner walls of the two grooves are respectively and fixedly connected with a spring column, the tops of the two spring columns are respectively and fixedly connected with a mounting seat, the top of one of the mounting seats is fixedly connected with a first conductive column, and the top of the other mounting seat is fixedly connected with a second conductive column; set up warning light, recess, spring post, first lead electrical pillar and second and lead electrical pillar, improved the security of using.

Description

Plastic casing type circuit breaker

Technical Field

The utility model relates to a circuit breaker field specifically is a plastic casing formula circuit breaker.

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. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their range of use. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.

The inside circuit of inside circuit breaker work of current plastic casing circuit breaker when using and electrical part can produce the heat, and the radiating effect is poor, influences the use of circuit breaker, has shortened its life, and when current circuit breaker externally took place to leak electricity simultaneously, there was not relevant suggestion, careless contact can cause the injury to the human body, uses and lacks the security.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic casing type circuit breaker to solve the inside circuit of circuit breaker work and the electrical part of current plastic casing type circuit breaker that proposes in the above-mentioned background art when using can produce the heat, the radiating effect is poor, influences the use of circuit breaker, has shortened its life, when current circuit breaker externally takes place to leak electricity simultaneously, does not have relevant suggestion, careless contact can cause the injury to the human body, uses and lacks the security.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic casing type circuit breaker comprises a casing, wherein a mounting groove is formed in the middle of the casing, clamping grooves are formed in two sides of the inner wall of the mounting groove, clamping blocks are clamped and connected with the clamping grooves, the clamping blocks are fixedly connected to one side of a circuit breaker body, connecting grooves are formed in two sides of the circuit breaker body, radiating fins are fixedly arranged in the two connecting grooves, a radiating mechanism is fixedly arranged in the center of the inner wall of the mounting groove and comprises a radiating box and a radiating fan, the radiating fan is fixedly arranged on two sides of the inner wall of the radiating box, grooves are formed in two sides of the bottom of the casing, spring columns are fixedly connected to the inner walls of the two grooves, mounting seats are fixedly connected to the tops of the two spring columns, a first conducting column is fixedly connected to the top of one of the mounting seats, and a second conducting column is fixedly connected to the top of the other mounting seat, a battery jar is arranged in the middle of the back of the shell, and a storage battery is arranged in the battery jar.

As a preferred technical scheme of the utility model, the top fixed mounting of shell one side has starting switch, the heat dissipation fan passes through starting switch and battery electric connection.

As a preferred technical scheme of the utility model, the top fixedly connected with card line board of shell, first wiring hole has been seted up at the middle part of card line board, second wiring hole has been seted up at the top of circuit breaker body, second wiring hole corresponds the setting with first wiring hole.

As a preferred technical scheme of the utility model, a plurality of installation pieces of the equal fixedly connected with in top of a shell avris and the bottom of a shell avris, it is a plurality of the mounting hole has all been seted up at the middle part of installation piece.

As a preferred technical scheme of the utility model, the bottom fixed mounting of shell opposite side has the warning light, the one end of warning light is through first wire and first leading electrical connection of electrical pillar, the other end of warning light is led electrical connection through second wire and second.

As a preferred technical scheme of the utility model, the top fixedly connected with wire netting cover of heat dissipation case, the middle part fixedly connected with dead lever of circuit breaker body opposite side.

As a preferred technical scheme of the utility model, the dampproofing pad of bottom fixedly connected with of shell, a plurality of louvres have been seted up on the surface at the shell back.

Compared with the prior art, the beneficial effects of the utility model are that:

the circuit breaker comprises a shell, a circuit breaker body, a mounting groove, a heat dissipation fan and heat dissipation holes, wherein the circuit breaker body is clamped in the shell for protection when the circuit breaker is normally used, the heat dissipation fins on two sides of the circuit breaker body play a certain heat dissipation role, meanwhile, the heat dissipation fan can be started through a starting switch on one side, the heat dissipation fan blows the circuit breaker body, hot air is led out through the heat dissipation holes, the air cooling reduces the temperature of the circuit breaker, the heat dissipation effect is improved, and the service life of the circuit breaker is prolonged; set up warning light, recess, spring post, first lead electrical pillar and second and lead electrical pillar, when circuit breaker body installation joint, the bottom of circuit breaker body can lead electrical pillar contact with first lead electrical pillar and second for when circuit breaker body electric leakage, warning light, first lead electrical pillar and second lead electrical pillar and can form the electric circuit, and then the warning light work, relevant personnel obtain the suggestion, avoid direct and circuit breaker body contact, prevent dangerous emergence, improve the security of using.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a structural diagram of the circuit breaker of the present invention;

fig. 3 is a front sectional view of the housing of the present invention;

FIG. 4 is an internal structure view of the heat dissipation box of the present invention;

fig. 5 is a back structure view of the housing of the present invention.

In the figure: 1. a housing; 2. a circuit breaker body; 3. a wire clamping plate; 4. a first wiring hole; 5. mounting blocks; 6. mounting holes; 7. a moisture-proof pad; 8. a warning light; 9. a second wiring hole; 10. connecting grooves; 11. a heat sink; 12. fixing the rod; 13. a clamping block; 14. a card slot; 15. mounting grooves; 16. a heat dissipation box; 17. a groove; 18. a spring post; 19. a mounting seat; 20. a first conductive post; 21. a second conductive post; 22. a heat dissipation fan; 23. a net cover; 24. a storage battery; 25. and (4) heat dissipation holes.

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. 1-5, the present invention provides a plastic case type circuit breaker, including a case 1, a mounting groove 15 is formed in the middle of the case 1, two sides of the inner wall of the mounting groove 15 are formed with a clamping groove 14, the clamping groove 14 is connected with a clamping block 13 in a clamping manner, and the clamping block 13 is fixedly connected to one side of a circuit breaker body 2, two sides of the circuit breaker body 2 are formed with connecting grooves 10, heat dissipation fins 11 are fixedly installed inside the two connecting grooves 10, a heat dissipation mechanism is fixedly installed in the center of the inner wall of the mounting groove 15, the heat dissipation mechanism includes a heat dissipation box 16 and heat dissipation fans 22, heat dissipation fans 22 are fixedly installed on two sides of the inner wall of the heat dissipation box 16, when the circuit breaker is in normal use, the circuit breaker body 2 is clamped inside the case 1 for protection, the heat dissipation fins 11 on two sides of the circuit breaker body 2 play a certain heat dissipation role, and the heat dissipation fans 22 can be started through a start switch on one side, the heat dissipation fan 22 blows the breaker body 2 to lead hot air out through the heat dissipation holes 25, the air cooling reduces the temperature of the breaker, the heat dissipation effect is improved, the service life of the breaker is prolonged, the grooves 17 are formed in both sides of the bottom of the shell 1, the inner walls of the two grooves 17 are fixedly connected with the spring columns 18, the tops of the two spring columns 18 are fixedly connected with the mounting seats 19, the top of one of the mounting seats 19 is fixedly connected with the first conductive column 20, the top of the other mounting seat 19 is fixedly connected with the second conductive column 21, when the breaker body 2 is mounted and clamped, the bottom of the breaker body 2 can be contacted with the first conductive column 20 and the second conductive column 21, when the breaker body 2 leaks electricity, the warning lamp 8, the first conductive column 20 and the second conductive column 21 can form an electric loop, and then the warning lamp 8 works, related personnel can be prompted to avoid directly contacting with the breaker body 2, the danger is prevented, a battery jar is arranged in the middle of the back of the shell 1, and a storage battery 24 is arranged in the battery jar.

Preferably, a starting switch is fixedly installed at the top of one side of the housing 1, the heat dissipation fan 22 is electrically connected with the storage battery 24 through the starting switch, and the starting switch is arranged to control the heat dissipation fan 22 to work for heat dissipation.

Preferably, the top fixedly connected with wire clamping plate 3 of shell 1, first wiring hole 4 has been seted up at wire clamping plate 3's middle part, and second wiring hole 9 has been seted up at circuit breaker body 2's top, and second wiring hole 9 corresponds the setting with first wiring hole 4, sets up the wiring work of circuit breaker body 2 of being convenient for in first wiring hole 4 and second wiring hole 9.

Preferably, the top on one side of the housing 1 and the bottom on one side of the housing 1 are fixedly connected with a plurality of mounting blocks 5, mounting holes 6 are formed in the middle of the mounting blocks 5, and the mounting blocks 5 and the mounting holes 6 are arranged to facilitate mounting of the housing 1.

Preferably, the bottom fixed mounting of 1 opposite side of shell has warning light 8, warning light 8's one end is through first wire and the first 20 electric connection that lead electrical pillar, warning light 8's the other end passes through the second wire and leads electrical pillar 21 electric connection with the second, set up warning light 8 when circuit breaker body 2 electric leakage, can make the first lead electrical pillar 20, the second leads electrical pillar 21 and warning light 8 circuit switch-on, indicate relevant personnel, reduce the emergence of dangerous incident.

Preferably, the top of the heat dissipation box 16 is fixedly connected with a net cover 23, the middle of the other side of the circuit breaker body 2 is fixedly connected with a fixing rod 12, the net cover 23 is arranged to reduce dust entering, and the fixing rod 12 is arranged to facilitate pulling out the circuit breaker body 2.

Preferably, the bottom end of the housing 1 is fixedly connected with the moisture-proof pad 7, the surface of the back surface of the housing 1 is provided with a plurality of heat dissipation holes 25, and the heat dissipation holes 25 are arranged to facilitate the heat discharge of the circuit breaker body 2.

When the plastic casing type circuit breaker is used, the casing 1 is installed and fixed through the installation block 5 and the installation hole 6, then the circuit breaker body 2 is installed through the fixture block 13 and the clamping groove 14, when the circuit breaker is in normal use, the circuit breaker body 2 is clamped and protected inside the casing 1, the radiating fins 11 on two sides of the circuit breaker body 2 play a certain role in radiating heat, meanwhile, the radiating fan 22 can be started through the starting switch on one side, the radiating fan 22 blows the circuit breaker body 2 to lead hot gas out from the radiating holes 25, the air cooling reduces the temperature of the circuit breaker, the radiating effect is improved, the service life of the circuit breaker is prolonged, when the circuit breaker body 2 is installed and clamped, the bottom of the circuit breaker body 2 can be in contact with the first conductive column 20 and the second conductive column 21, so that when the circuit breaker body 2 leaks electricity, the warning lamp 8, the first conductive column 20 and the second conductive column 21 can form an electric loop, and then 8 work of warning light, relevant personnel obtain the suggestion, avoid direct and circuit breaker body 2 contacts, prevent dangerous emergence, and it is very convenient to use.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A plastic case circuit breaker comprising a case (1), characterized in that: the middle of the shell (1) is provided with a mounting groove (15), two sides of the inner wall of the mounting groove (15) are provided with clamping grooves (14), the clamping grooves (14) are connected with clamping blocks (13) in a clamping manner, the clamping blocks (13) are fixedly connected to one side of the circuit breaker body (2), two sides of the circuit breaker body (2) are respectively provided with a connecting groove (10), two inside connecting grooves (10) are respectively and fixedly provided with a radiating fin (11), the center of the inner wall of the mounting groove (15) is fixedly provided with a radiating mechanism, the radiating mechanism comprises a radiating box (16) and a radiating fan (22), two sides of the inner wall of the radiating box (16) are respectively and fixedly provided with the radiating fan (22), two sides of the bottom of the shell (1) are respectively provided with a groove (17), the inner walls of the two grooves (17) are respectively and fixedly connected with a spring column (18), and the tops of the two spring columns (18) are respectively and fixedly connected with a mounting seat (19), the top of one of the mounting seats (19) is fixedly connected with a first conductive column (20), the top of the other one of the mounting seats (19) is fixedly connected with a second conductive column (21), the middle of the back of the shell (1) is provided with a battery jar, and a storage battery (24) is arranged inside the battery jar.

2. The plastic case type circuit breaker according to claim 1, wherein: the top fixed mounting of shell (1) one side has starting switch, heat dissipation fan (22) are through starting switch and battery (24) electric connection.

3. The plastic case type circuit breaker according to claim 1, wherein: the top fixedly connected with card line board (3) of shell (1), first wiring hole (4) have been seted up at the middle part of card line board (3), second wiring hole (9) have been seted up at the top of circuit breaker body (2), second wiring hole (9) correspond the setting with first wiring hole (4).

4. The plastic case type circuit breaker according to claim 1, wherein: the top on one side of the shell (1) and the bottom on one side of the shell (1) are fixedly connected with a plurality of mounting blocks (5) and a plurality of mounting holes (6) are formed in the middle of the mounting blocks (5).

5. The plastic case type circuit breaker according to claim 1, wherein: the bottom fixed mounting of shell (1) opposite side has warning light (8), the one end of warning light (8) is through first wire and first leading electrical pillar (20) electric connection, the other end of warning light (8) is through second wire and second leading electrical pillar (21) electric connection.

6. The plastic case type circuit breaker according to claim 1, wherein: the top fixedly connected with net lid (23) of radiator box (16), the middle part fixedly connected with dead lever (12) of circuit breaker body (2) opposite side.

7. The plastic case type circuit breaker according to claim 1, wherein: the bottom fixedly connected with dampproofing pad (7) of shell (1), a plurality of louvres (25) have been seted up on the surface at shell (1) back.