CN212113593U

CN212113593U - Thermomagnetic molded case circuit breaker with high temperature resistance

Info

Publication number: CN212113593U
Application number: CN202021041600.XU
Authority: CN
Inventors: 朱起跃; 万超群
Original assignee: Welson Electric China Co ltd
Current assignee: Welson Electric China Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-12-08
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a thermomagnetic formula moulded case circuit breaker with high temperature resistance can, including body, switch, recess and connector, the surface at body both ends all is provided with the recess, and is provided with the connector between the adjacent recess, the one end of connector is provided with locking moving structure, the surface of body is provided with the switch, and one side of switch is provided with the label, the inside both sides of body all are provided with heat radiation structure, the both ends of body all are provided with protective structure, all be provided with high temperature resistant layer on the inside wall of body. The utility model discloses a be provided with heat radiation structure, and this body is under the condition of long-time use, and the first heat-conducting plate of accessible carries out the heat conduction to the inside components and parts temperature of body, carries out the heat conduction through the second heat-conducting plate simultaneously, and radiator fan makes the heat dissipation under louvre complex effect this moment to it has radiating effect to have realized this moulded case circuit breaker.

Description

Thermomagnetic molded case circuit breaker with high temperature resistance

Technical Field

The utility model relates to a thermomagnetic formula moulded case circuit breaker technical field specifically is a thermomagnetic formula moulded case circuit breaker with high temperature resistance performance.

Background

With the continuous development of society, the circuit breaker is also more and more diversified, and the thermomagnetic formula moulded case circuit breaker is the constitution in the circuit breaker, and the effect of circuit breaker is the phenomenon of cutting off the power supply when the electric current is too big, and plays the effect of protection to the power through the circuit breaker, nevertheless the thermomagnetic formula moulded case circuit breaker still has certain not enough in the use at present.

Traditional this type of thermal-magnetic moulded case circuit breaker leads to the inside temperature of this circuit breaker too high gradually under long-time the use, and the inside components and parts of circuit breaker are when the operation of high temperature for a long time, make this circuit breaker appear the damage phenomenon.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermomagnetic formula moulded case circuit breaker with high temperature resistance to propose the too high problem of inside temperature in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thermomagnetic molded case circuit breaker with high temperature resistance comprises a body, a switch, grooves and connectors, wherein the surfaces of two ends of the body are respectively provided with the grooves, a connecting port is arranged between the adjacent grooves, one end of the connecting port is provided with an anti-loosening structure, the surface of the body is provided with a switch, and one side of the switch is provided with a label, both sides of the interior of the body are provided with heat dissipation structures, the heat dissipation structures comprise heat dissipation holes, a first heat conduction plate, a second heat conduction plate and a heat dissipation fan, one side of the first heat conducting plate is fixedly connected with the inner wall of the body, the two ends of the first heat conducting plate are provided with second heat conducting plates, one side of the second heat conducting plate is provided with a heat radiating fan, the heat radiating holes are arranged on the surface of the body, both ends of the body are provided with protective structures, and the inner side wall of the body is provided with a high-temperature-resistant layer.

Preferably, protective structure includes protective cover plate, block groove and hinge bar, the hinge bar has been run through to the inside of protective cover plate one end, and one side at hinge bar both ends all with the one end fixed connection of body, the both sides on protective cover plate surface all are provided with the block groove.

Preferably, two groups of the clamping grooves are arranged on the surface of the protective cover plate, and the clamping grooves are designed in an inverted U shape.

Preferably, the anti-loosening structure comprises a placing plate, a baffle, a placing groove and an iron absorbing magnet, one end of the placing plate is fixedly connected with the surface of the body, the placing groove is formed in the center of the surface of the placing plate, the baffle is movably hinged to one side of the top end of the placing plate, and the iron absorbing magnet is arranged at the bottom end of one side of the baffle and the top end of one side of the placing plate.

Preferably, the central position of one end of the baffle is in an arc structure, and the placing groove and the arc central line are in the same position.

Preferably, the first heat-conducting plate is provided with two sets on the inner wall of the body, and the first heat-conducting plate and the second heat-conducting plate are perpendicular to each other.

Compared with the prior art, the beneficial effects of the utility model are that: the thermomagnetic molded case circuit breaker with high temperature resistance not only realizes the heat dissipation effect and the anti-drop phenomenon, but also realizes the protection effect;

(1) by arranging the heat dissipation structure, under the condition that the body is used for a long time, the temperature of components in the body can be conducted through the first heat conduction plate, meanwhile, the heat is conducted through the second heat conduction plate, and at the moment, the heat dissipation fan dissipates heat under the cooperation effect of the heat dissipation holes, so that the plastic case circuit breaker has a heat dissipation effect;

(2) by the anti-loosening structure, after the power line is connected, part of the power line is placed in the placing groove, the baffle is rotated at the moment, the baffle can clamp and fix the power line under the matching of the magnet, and the phenomenon that the connection part of the power line falls off can be avoided under the action of the baffle and the placing groove, so that the moulded case circuit breaker has the anti-loosening effect;

(3) through being provided with protective structure, after the power cord is connected, can rotate protective cover plate under the cooperation of hinge bar to make the power ply-yarn drill extremely in the outside of block groove, thereby realized that this moulded case circuit breaker has the effect of protection.

Drawings

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

FIG. 2 is a schematic side elevation view of the protection structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is an enlarged schematic view of the front view partial section of the heat dissipation structure of the present invention.

In the figure: 1. a body; 2. a switch; 3. a groove; 4. a protective structure; 401. a protective cover plate; 402. a clamping groove; 403. a hinged lever; 5. an anti-loosening structure; 501. placing the plate; 502. a baffle plate; 503. a placement groove; 504. attracting iron; 6. a heat dissipation structure; 601. heat dissipation holes; 602. a first heat-conducting plate; 603. a second heat-conducting plate; 604. a heat radiation fan; 7. a label; 8. a connecting port; 9. a high temperature resistant layer.

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. 1-4, the present invention provides an embodiment: a thermomagnetic molded case circuit breaker with high temperature resistance comprises a body 1, a switch 2, grooves 3 and connectors 8, wherein the surfaces of two ends of the body 1 are respectively provided with the grooves 3, the connectors 8 are arranged between the adjacent grooves 3, one end of each connector 8 is in threaded connection with a fastening bolt, one end of each connector 8 is provided with an anti-loosening structure 5, each anti-loosening structure 5 comprises a placing plate 501, a baffle plate 502, a placing groove 503 and an attracting magnet 504, one end of each placing plate 501 is fixedly connected with the surface of the body 1, the placing groove 503 is arranged at the central position of the surface of each placing plate 501, one side of the top end of each placing plate 501 is movably hinged with the baffle plate 502, the bottom end of one side of each baffle plate 502 and the top end of one side of each placing plate 501 are respectively provided with the attracting magnet 504, the central position of one end of each baffle plate 502 is;

specifically, as shown in fig. 3, when the structure is used, after the power line is connected, a part of the power line is folded slightly and placed inside the placing groove 503, at this time, the baffle 502 is rotated, and the baffle 502 can clamp and fix the power line inside the placing groove 503 under the cooperation of the attracting magnet 504, and the phenomenon that the power line is connected and falls off after a long time can be avoided under the action of the baffle 502 and the placing groove 503, so that the molded case circuit breaker has an anti-loosening effect;

the surface of the body 1 is provided with a switch 2, one side of the switch 2 is provided with a label 7, two sides inside the body 1 are provided with heat dissipation structures 6, each heat dissipation structure 6 comprises a heat dissipation hole 601, a first heat conduction plate 602, a second heat conduction plate 603 and a heat dissipation fan 604, one side of the first heat conduction plate 602 is fixedly connected with the inner wall of the body 1, two ends of the first heat conduction plate 602 are provided with the second heat conduction plates 603, one side of the second heat conduction plate 603 is provided with the heat dissipation fan 604, the heat dissipation holes 601 are arranged on the surface of the body 1, the first heat conduction plate 602 is provided with two groups on the inner wall of the body 1, and the first heat conduction plate 602;

specifically, as shown in fig. 4, when the structure is used, firstly, when the body 1 is used for a long time, the temperature of components inside the body 1 is too high, at this time, the temperature of the components inside the body 1 can be conducted through the first heat conduction plate 602, and at the same time, the heat can be conducted through the second heat conduction plate 603, however, the heat dissipation fan 604 can dissipate the heat inside the body 1 under the matching effect of the heat dissipation holes 601, so that the heat dissipation effect of the molded case circuit breaker is achieved;

the protective structure 4 is arranged at each of two ends of the body 1, each protective structure 4 comprises a protective cover plate 401, a clamping groove 402 and a hinge rod 403, the hinge rod 403 penetrates through the interior of one end of each protective cover plate 401, one side of each of two ends of each hinge rod 403 is fixedly connected with one end of the body 1, the clamping grooves 402 are arranged at two sides of the surface of each protective cover plate 401, two groups of clamping grooves 402 are arranged on the surface of each protective cover plate 401, and each clamping groove 402 is in an inverted U-shaped design;

specifically, as shown in fig. 2, when the structure is used, firstly, after the power line is connected, the protective cover plate 401 can be rotated under the cooperation of the hinge rod 403, the power line can be clamped to the outside of the clamping groove 402 through the rotation of the protective cover plate 401, and the connecting port 8 can be prevented from being located outside for a long time through the action of the protective cover plate 401, so that the plastic shell circuit breaker has a protective effect, and the inner side wall of the body 1 is provided with the high temperature resistant layer 9.

The working principle is as follows: when the moulded case circuit breaker is used, the external power supply of the moulded case circuit breaker is characterized in that firstly, the body 1 is arranged at an installation position through the threaded column, then the end head of the power line is inserted into the connecting port 8, then the power line and the connecting port 8 are fixed through rotating the fastening thread, then the protective cover plate 401 is rotated, and the power line is clamped into the clamping groove 402 when the protective cover plate 401 is rotated;

then the baffle 502 is rotated, the power line is placed in the placing groove 503, the baffle 502 is rotated, and after the baffle 502 is rotated, the power line can be clamped in the placing groove 503 by the magnet 504;

at last when this body 1 is using, can stir switch 2 upwards and can start body 1, radiator fan 604 also starts simultaneously, and body 1 is when long-time operation, then can carry out initial heat conduction with first heat-conducting plate 602 to the inside components and parts temperature of body 1 earlier, rethread second heat-conducting plate 603 carries out heat conduction once more, radiator fan 604 dispels the heat under the cooperation of louvre 601 this moment, nevertheless can make body 1 have high temperature resistant effect under the effect of high temperature resistant layer 9, the use of this moulded case circuit breaker is finally accomplished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a thermomagnetic formula moulded case circuit breaker with high temperature resistance performance, includes body (1), switch (2), recess (3) and connector (8), its characterized in that: the surface of the two ends of the body (1) is provided with grooves (3), a connecting port (8) is arranged between every two adjacent grooves (3), one end of the connecting port (8) is provided with an anti-loosening structure (5), the surface of the body (1) is provided with a switch (2), one side of the switch (2) is provided with a label (7), two sides of the inside of the body (1) are provided with heat dissipation structures (6), each heat dissipation structure (6) comprises a heat dissipation hole (601), a first heat conduction plate (602), a second heat conduction plate (603) and a heat dissipation fan (604), one side of the first heat conduction plate (602) is fixedly connected with the inner wall of the body (1), two ends of the first heat conduction plate (602) are provided with second heat conduction plates (603), one side of the second heat conduction plate (603) is provided with the heat dissipation fan (604), and the heat dissipation holes (601) are arranged on, both ends of body (1) all are provided with protective structure (4), all be provided with high temperature resistant layer (9) on the inside wall of body (1).

2. The thermo-magnetic molded case circuit breaker with high temperature resistance according to claim 1, wherein: protective structure (4) are including protective cover board (401), block groove (402) and hinge bar (403), hinge bar (403) have been run through to the inside of protective cover board (401) one end, and one side at hinge bar (403) both ends all with the one end fixed connection of body (1), the both sides on protective cover board (401) surface all are provided with block groove (402).

3. The thermo-magnetic molded case circuit breaker with high temperature resistance according to claim 2, wherein: two groups of clamping grooves (402) are arranged on the surface of the protective cover plate (401), and the clamping grooves (402) are designed in an inverted U shape.

4. The thermo-magnetic molded case circuit breaker with high temperature resistance according to claim 1, wherein: the anti-loosening structure (5) comprises a placing plate (501), a baffle (502), a placing groove (503) and an iron absorbing magnet (504), one end of the placing plate (501) is fixedly connected with the surface of the body (1), the placing groove (503) is arranged at the center of the surface of the placing plate (501), the baffle (502) is movably hinged to one side of the top end of the placing plate (501), and the iron absorbing magnet (504) is arranged at the bottom end of one side of the baffle (502) and the top end of one side of the placing plate (501).

5. The thermo-magnetic molded case circuit breaker with high temperature resistance according to claim 4, wherein: the center position of one end of the baffle plate (502) is of an arc-shaped structure, and the placing groove (503) and the arc-shaped center line are located at the same position.

6. The thermo-magnetic molded case circuit breaker with high temperature resistance according to claim 1, wherein: the inner wall of the body (1) of the first heat conduction plate (602) is provided with two groups, and the first heat conduction plate (602) is perpendicular to the second heat conduction plate (603).