阅读说明：本技术 一种断路器 (Circuit breaker ) 是由 徐双 朱梁 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种断路器,包括断路器本体,所述断路器本体的后端外表面四周拐角处设置有安装耳板,且断路器本体与安装耳板之间贯穿设置有转轴,所述安装耳板的前端外表面开设有安装孔槽,所述断路器本体的前端外表面设置有透明防护罩,且断路器本体的顶端与透明防护罩之间铰接,本发明利用断路器本体工作时产生的热量和外界环境升温时产生的热量对断路器本体进行散热,使得断路器本体在需要散热时透明防护罩可以在其表面来回摆动,增大其周围的空气流动,且通过透明防护罩摆动可以实现散热箱内的热气排出,进一步实现断路器本体的散热,同时,透明防护罩打开有助于提醒工作人员发现断路器本体出现了温度异常的情况,便于及时维护。(The invention discloses a circuit breaker, which comprises a circuit breaker body, wherein mounting lug plates are arranged at the peripheral corners of the outer surface of the rear end of the circuit breaker body, a rotating shaft penetrates between the circuit breaker body and the mounting lug plates, a mounting hole groove is formed in the outer surface of the front end of the mounting lug plates, a transparent protective cover is arranged on the outer surface of the front end of the circuit breaker body, and the top end of the circuit breaker body is hinged with the transparent protective cover. And is convenient for timely maintenance.)

1. A circuit breaker comprising a circuit breaker body (1), characterized in that: the rear end surface corner all around of circuit breaker body (1) is provided with installation otic placode (6), and runs through between circuit breaker body (1) and installation otic placode (6) and be provided with pivot (5), mounting hole groove (7) have been seted up to the front end surface of installation otic placode (6), the front end surface of circuit breaker body (1) is provided with transparent protection casing (2), and articulates between the top of circuit breaker body (1) and transparent protection casing (2), and articulated department is equipped with the torsional spring, the inside of transparent protection casing (2) is equipped with radiating unit (3), and radiating unit (3) are used for dispelling the heat to circuit breaker body (1).

2. A circuit breaker according to claim 1, wherein: the heat dissipation unit (3) comprises a heat dissipation box (31), a T-shaped rod (32), a bimetallic strip (33) and a V-shaped elastic strip (34); the heat dissipation box (31) is fixedly connected with the top of the interior of the transparent protective cover (2), vent holes are formed in the bottom of the heat dissipation box (31) and the top of the interior of the transparent protective cover (2), and the bottom of the heat dissipation box (31) is communicated with the vent holes in the top of the interior of the transparent protective cover (2); the bimetallic strip (33) is arranged above the breaker body (1); the V-shaped elastic piece (34) is respectively arranged above the breaker body (1) and at the edge of the bottom of the transparent protective cover (2), rubber bars (37) are fixed on two sides of the bottom of the heat dissipation box (31), and the rubber bars (37) are used as carriers for connecting the bimetallic strip (33) and the T-shaped rod (32); the transparent protective cover (2) is closed with the breaker body (1), the bimetallic strip (33) clamps the rubber rod (37) when not being heated and deformed, and the two V-shaped elastic strips (34) are closed and mutually extruded with the breaker body (1) at the transparent protective cover (2).

3. A circuit breaker according to claim 1, wherein: the heat dissipation box (31) is made of an aluminum alloy material, a cavity (35) is formed in the heat dissipation box, the T-shaped rod (32) slides in the cavity (35), and a spring (36) is arranged between the top of the T-shaped rod (32) and the cavity.

4. A circuit breaker according to claim 1, wherein: be equipped with balancing weight (4) in transparent protection casing (2), balancing weight (4) are located bimetallic strip (33) directly over, when transparent protection casing (2) are bounced off from circuit breaker body (1), balancing weight (4) are used for increasing the swing time of transparent protection casing (2).

5. A circuit breaker according to claim 1, wherein: the mounting ear plates (6) are rotationally connected through the rotating shaft (5) by three hundred and sixty degrees, and the mounting hole grooves (7) are distributed in an arc shape.

6. A circuit breaker according to claim 1, wherein: the thickness of the mounting ear plate (6) is 1 cm-2 cm, and the mounting ear plate is made of high-strength polyethylene.

Technical Field

The invention relates to the technical field of power devices, in particular to a circuit breaker.

Background

The circuit breaker refers to a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and capable of closing, carrying and opening/closing a current under an abnormal circuit condition within a prescribed time. When the circuit has serious overload or short circuit or undervoltage and other faults, the circuit can be automatically cut off.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the traditional circuit breaker adopts a punching screw fixing installation mode, however, in the actual installation process, once a maintenance worker slightly makes mistakes in the punching process to cause the position deviation of an installation hole required by installation, the screw fixing cannot be installed at one corner or multiple corners of the circuit breaker, if the position deviation is not fixed, the device cannot ensure the self-stability in the normal use process, especially for the use with some large-scale mechanical equipment, the equipment generates larger amplitude vibration in the operation process, and if the circuit breaker cannot be well installed and fixed, the circuit breaker can be accidentally separated or even have other accidental situations; 2. when the circuit breaker is used daily, firstly, the circuit breaker can generate certain heat, in addition, if the heat of an external working environment is too high, the circuit breaker can break down, the existing circuit breaker can not dissipate heat through the heat of the circuit breaker when the temperature is higher, and meanwhile, when the circuit breaker is higher in temperature and needs to be maintained, workers cannot find the circuit breaker at the first time easily;

to this end, a circuit breaker is proposed.

Disclosure of Invention

The present invention is directed to a circuit breaker to solve the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a circuit breaker, includes the circuit breaker body, the rear end surface of circuit breaker body corner all around is provided with the installation otic placode, and runs through between circuit breaker body and the installation otic placode and be provided with the pivot, the mounting hole groove has been seted up to the front end surface of installation otic placode, the front end surface of circuit breaker body is provided with transparent protection casing, and articulates between the top of circuit breaker body and the transparent protection casing, and articulated department is equipped with the torsional spring, the inside of transparent protection casing is equipped with the heat dissipation unit, and the heat dissipation unit is used for dispelling the heat to the circuit breaker body.

Preferably, the heat dissipation unit comprises a heat dissipation box, a T-shaped rod, a bimetallic strip and a V-shaped elastic strip; the heat dissipation box is fixedly connected with the top of the interior of the transparent protective cover, vent holes are formed in the bottom of the heat dissipation box and the top of the interior of the transparent protective cover, and the bottom of the heat dissipation box is communicated with the vent holes in the top of the interior of the transparent protective cover; the bimetallic strip is arranged above the circuit breaker body; the V-shaped elastic pieces are respectively arranged above the breaker body and at the edge of the bottom of the transparent protective cover, rubber bars are fixed on two sides of the bottom of the heat dissipation box, and the rubber bars are used as carriers for connecting the bimetallic strip and the T-shaped rod; the transparent protective cover is closed with the breaker body, the bimetallic strips clamp the rubber rod when not heated and deformed, and the two V-shaped elastic strips are closed and mutually extruded with the breaker body.

Preferably, the heat dissipation box is made of an aluminum alloy material, a cavity is formed in the heat dissipation box, the T-shaped rod slides in the cavity, and a spring is arranged between the top of the T-shaped rod and the cavity.

Preferably, be equipped with the balancing weight in the transparent protection casing, the balancing weight is located bimetallic strip directly over, and when transparent protection casing bounced off from the circuit breaker body, the balancing weight was used for increasing the swing time of transparent protection casing.

Preferably, the mounting lug plates are rotationally connected through a rotating shaft by three hundred sixty degrees, and the mounting hole grooves are distributed in an arc shape.

Preferably, the thickness of the mounting lug plate is 1cm to 2cm, and the mounting lug plate is made of high-strength polyethylene.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the circuit breaker, the heat dissipation unit is arranged, the heat generated when the circuit breaker body works and the heat generated when the external environment is heated are utilized by the heat dissipation unit to dissipate heat of the circuit breaker body, so that the transparent protective cover can swing back and forth on the surface of the circuit breaker body when heat dissipation is needed, air flow around the transparent protective cover is increased, hot air in the heat dissipation box can be exhausted through swinging of the transparent protective cover, heat dissipation of the circuit breaker body is further achieved, meanwhile, the transparent protective cover is opened, and workers can be reminded of finding that the circuit breaker body is abnormal in temperature, and timely maintenance is facilitated.

2. According to the breaker, the installation lug plate, the installation hole groove, the rotating shaft and other structural components are added in the breaker, the breaker can be installed and fixed under the condition that a wall surface installation hole is not corresponding to an equipment installation hole, the installation lug plate is rotated and adjusted by three hundred sixty degrees through rotation of the rotating shaft, the installation hole groove position on the surface of the breaker corresponds to the wall surface installation hole position, the phenomenon that installation cannot be carried out due to deviation of punching positions is avoided, secondary punching installation steps are reduced, the installation steps are optimized, the fixing effect is excellent, meanwhile, the thickness of the installation lug plate is directly set, the breaker body can be prevented from being attached to the surface of a wall body, installation gaps existing among the breaker body can ventilate and radiate the breaker body to a certain degree, and equipment safety is guaranteed.

Drawings

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

fig. 2 is a combined view of the circuit breaker body and the transparent shield of the present invention;

fig. 3 is a sectional view of a heat radiating box of the present invention.

In the figure: the circuit breaker comprises a circuit breaker body 1, a transparent protective cover 2, a heat dissipation unit 3, a heat dissipation box 31, a T-shaped rod 32, a bimetallic strip 33, a V-shaped elastic strip 34, a cavity 35, a spring 36, a rubber rod 37, a balancing weight 4, a rotating shaft 5, an installation lug plate 6 and an installation hole groove 7.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a circuit breaker comprises a circuit breaker body 1, wherein mounting lug plates 6 are arranged at the corners around the outer surface of the rear end of the circuit breaker body 1, a rotating shaft 5 penetrates between the circuit breaker body 1 and the mounting lug plates 6, a mounting hole groove 7 is formed in the outer surface of the front end of each mounting lug plate 6, a transparent protective cover 2 is arranged on the outer surface of the front end of the circuit breaker body 1, the top end of the circuit breaker body 1 is hinged with the transparent protective cover 2, a torsional spring is arranged at the hinged position, a heat dissipation unit 3 is arranged inside the transparent protective cover 2, and the heat dissipation unit 3 is used for dissipating heat of the circuit breaker body 1;

when the device works, a series of structural components such as the mounting lug plate 6, the mounting hole groove 7, the rotating shaft 5 and the like are added in the device, the device can be still fixedly mounted under the condition that a wall mounting hole is not corresponding to an equipment mounting hole, the mounting lug plate 6 is rotatably adjusted by rotating the rotating shaft 5 for 360 degrees, so that the position of the mounting hole groove 7 on the surface of the device corresponds to the position of the wall mounting hole, the phenomenon that the device cannot be mounted due to the deviation of a punching position is avoided, the secondary punching mounting step is reduced, the mounting step is optimized, the fixing effect is excellent, meanwhile, the thickness of the mounting lug plate 6 is directly set, the circuit breaker body 1 can be prevented from being attached to the surface of a wall, a mounting gap existing between the mounting lug plate and the circuit breaker body 1 can penetrate air and dissipate heat to a certain; when the circuit breaker body 1 is operated in a high temperature environment for a long time, such as a thermal power plant, in hot summer, the heat dissipation unit 3 dissipates heat from the circuit breaker body 1 by using heat generated when the circuit breaker body 1 is operated or heat generated by external high temperature.

As a specific embodiment of the present invention, the heat dissipating unit 3 includes a heat dissipating box 31, a T-shaped rod 32, a bimetal 33, and a V-shaped elastic piece 34; the heat dissipation box 31 is fixedly connected with the top inside the transparent protective cover 2, vent holes are formed in the bottom of the heat dissipation box 31 and the top inside the transparent protective cover 2, and the bottom of the heat dissipation box 31 is communicated with the vent holes in the top inside the transparent protective cover 2; the bimetallic strip 33 is arranged above the breaker body 1; the V-shaped elastic pieces 34 are respectively arranged above the breaker body 1 and at the edge of the bottom of the transparent protective cover 2, rubber bars 37 are fixed on two sides of the bottom of the heat dissipation box 31, and the rubber bars 37 are used as carriers for connecting the bimetallic strip 33 and the T-shaped rod 32; when the transparent protective cover 2 and the circuit breaker body 1 are closed, the bimetallic strip 33 clamps the rubber rod 37 when not being heated and deformed, and the two V-shaped elastic strips 34 are closed and mutually extruded between the transparent protective cover 2 and the circuit breaker body 1;

under the normal temperature state, the transparent protective cover 2 is directly covered on the surface of the breaker body 1 and is used for daily dust prevention of the breaker body 1, the rubber rod 37 is clamped by the bimetallic strip 33 at the moment, the two V-shaped elastic strips 34 are mutually extruded, therefore, when the transparent protective cover 2 is directly covered on the surface of the breaker body 1, the clamping force of the bimetallic strip 33 on the rubber rod 37 is greater than the extrusion force of the two V-shaped elastic strips 34 and the torsion force of the torsion spring, and therefore, in the actual use process, the thickness, the width, the length and other dimensions of the bimetallic strip 33 can be designed according to the mutual extrusion force of the V-shaped elastic strips 34, and when the transparent protective cover 2 is directly covered on the surface of the breaker body 1, the clamping force of the bimetallic strip 33 on the rubber rod 37 is greater than the extrusion force of the two V-shaped elastic strips;

then, when the temperature generated by the circuit breaker body 1 during operation is high, or the temperature of the working environment where the circuit breaker body 1 is located is high, the bimetallic strip 33 deforms due to different thermal expansion coefficients, the rubber rod 37 is not clamped, so that the two V-shaped elastic strips 34 which are extruded with each other are bounced to drive the transparent protective cover 2 to bounce, firstly, when the bimetallic strip is heated 34 and the rubber rod 37 are heated, a part of heat generated by the circuit breaker body 1 during operation can be absorbed, so as to realize the heat dissipation of the circuit breaker body 1, secondly, after the transparent protective cover 2 is opened, the contact area between the circuit breaker body 1 and air is increased, so as to further realize the heat dissipation of the circuit breaker body 1, and then, through the action of the torsion spring and the two V-shaped elastic strips 34, the transparent protective cover 2 can swing back and forth above the circuit breaker body 1, so as to increase, the heat dissipation of the circuit breaker body 1 is further realized, and particularly, after the transparent protective cover 2 is bounced open, the transparent protective cover 2 moves downwards from the trend that the transparent protective cover is covered on the circuit breaker body 1, then the two V-shaped elastic pieces 34 are contacted and extruded and then are bounced open mutually, so that the transparent protective cover 2 moves upwards from the new position, and after the transparent protective cover 2 is bounced open, the situation that the temperature of the circuit breaker body 1 is too high can be found by workers in time, the workers can conveniently process the circuit breaker body 1 in time, and serious accidents caused by the fact that the temperature of the follow-up circuit breaker body 1 is too high can be prevented;

the material of the bimetal 33 can be selected according to the actual working environment temperature of the circuit breaker body 1 or the temperature range that the circuit breaker body 1 can bear, for example, the environment temperature that the circuit breaker body 1 can bear is 50-70 ℃, and then the bimetal 33 is made of a material which can deform when the temperature reaches 50 ℃.

As a specific embodiment of the present invention, the heat dissipation box 31 is made of an aluminum alloy material, and a cavity 35 is formed in the heat dissipation box, the T-shaped rod 32 slides in the cavity 35, and a spring 36 is arranged between the top of the T-shaped rod 32 and the cavity;

adopt the heat dissipation case 31 of aluminum alloy material manufacturing, it is effectual to absorb heat, make the air in the cavity 35 have certain heat, and transparent protection casing 2 when 1 top downswing of circuit breaker, because T type pole 32 can 'T directly get back to the normal position, consequently T type pole 32 produces the striking with the top of bimetallic strip 33, make T type pole 32 upwards slide in cavity 35, thereby make the interior air that has heat of cavity 35 can discharge through the air vent, realize circuit breaker body 1's further heat dissipation.

As a specific embodiment of the present invention, a counterweight 4 is disposed in the transparent protective cover 2, the counterweight 4 is located right above the bimetallic strip 33, and when the transparent protective cover 2 is bounced off from the circuit breaker body 1, the counterweight 4 is used to increase the swing time of the transparent protective cover 2;

the balancing weight 4 can accelerate the speed of the downward movement of the transparent protective cover 2 above the circuit breaker body 1, thereby further increasing the air flow around the circuit breaker body 1, improving the heat dissipation effect of the circuit breaker body 1, increasing the force of mutual touch of the two V-shaped elastic pieces 34, further increasing the swing time of the transparent protective cover 2, and further improving the heat dissipation effect of the circuit breaker body 1.

As a specific embodiment of the present invention, the mounting ear plates 6 are rotatably connected by a rotating shaft 5 by three hundred and sixty degrees, and the mounting hole slots 7 are distributed in an arc shape;

through adopting above-mentioned technical scheme, according to wall mounting hole position, rotate through pivot 5 and adjust installation otic placode 6, make the mounting hole groove 7 on the installation otic placode 6 correspond and then adopt screwed connection fixed with wall mounting hole position.

In one embodiment of the present invention, the thickness of the mounting ear plate 6 is 1cm to 2cm, and it is made of high-strength polyethylene;

through adopting above-mentioned technical scheme, the thickness setting of installation otic placode 6 directly can avoid circuit breaker body 1 to hug closely the wall body surface, and the installation clearance that exists between it can the certain degree carry out ventilative heat dissipation to circuit breaker body 1, guarantees equipment safety.

The specific working process is as follows:

when the device works, a series of structural components such as the mounting lug plate 6, the mounting hole groove 7, the rotating shaft 5 and the like are added in the device, the device can be still fixedly mounted under the condition that a wall mounting hole is not corresponding to an equipment mounting hole, the mounting lug plate 6 is rotatably adjusted by rotating the rotating shaft 5 for 360 degrees, so that the position of the mounting hole groove 7 on the surface of the device corresponds to the position of the wall mounting hole, the phenomenon that the device cannot be mounted due to the deviation of a punching position is avoided, the secondary punching mounting step is reduced, the mounting step is optimized, the fixing effect is excellent, meanwhile, the thickness of the mounting lug plate 6 is directly set, the circuit breaker body 1 can be prevented from being attached to the surface of a wall, a mounting gap existing between the mounting lug plate and the circuit breaker body 1 can penetrate air and dissipate heat to a certain; when the circuit breaker body 1 works in a high-temperature environment for a long time, such as a thermal power plant, in hot summer, the heat dissipation unit 3 dissipates heat generated by the circuit breaker body 1 during working or by external high temperature;

when the heat dissipation unit 3 is used, when the breaker body 1 is in a normal temperature state, the transparent protective cover 2 is directly covered on the surface of the breaker body 1 and is used for daily dust prevention of the breaker body 1, at the moment, the rubber rod 37 is clamped by the bimetallic strip 33, the two V-shaped elastic strips 34 are mutually extruded, when the temperature generated when the breaker body 1 works is higher, or the temperature of the working environment where the breaker body 1 is located is higher, the bimetallic strip 33 deforms due to different thermal expansion coefficients and does not clamp the rubber rod 37, so that the two V-shaped elastic strips 34 which are mutually extruded are flicked to drive the transparent protective cover 2 to flick, firstly, when the bimetallic strip 34 and the rubber rod 37 are heated, a part of heat generated when the breaker body 1 works can be absorbed, the heat dissipation of the breaker body 1 is realized, secondly, after the transparent protective cover 2 is opened, the contact area between the breaker body 1 and the air is increased, the heat dissipation of the breaker body 1 is further realized, then, the transparent protective cover 2 can swing back and forth above the breaker body 1 through the action of the torsion spring and the two V-shaped elastic sheets 34, thereby increasing the air flow around the breaker body 1 and further realizing the heat dissipation of the breaker body 1, particularly when the transparent protective cover 2 is bounced open, the transparent protective cover 2 moves downwards from the trend of covering the breaker body 1 by the torsion of the torsion spring, then the two V-shaped elastic pieces 34 are contacted and pressed to be mutually bounced, so that the transparent protective cover 2 is moved upwards from the new position, and after the transparent protective cover 2 is bounced open, the working personnel can find the condition that the temperature of the breaker body 1 is overhigh in time, the circuit breaker body 1 can be conveniently and timely processed by workers, and serious accidents caused by overhigh temperature of the subsequent circuit breaker body 1 are prevented;

meanwhile, the heat dissipation box 31 made of the aluminum alloy material has a good heat absorption effect, so that the air in the cavity 35 has certain heat, and when the transparent protective cover 2 swings downwards above the circuit breaker body 1, the T-shaped rod 32 cannot directly return to the original position, so that the T-shaped rod 32 collides with the top of the bimetallic strip 33, the T-shaped rod 32 slides upwards in the cavity 35, and the air with the heat in the cavity 35 can be discharged through the vent hole, so that the further heat dissipation of the circuit breaker body 1 is realized;

further, transparent protection casing 2 can be accelerated to balancing weight 4 in the speed of 1 top downstream of circuit breaker body to further increase the air flow around the circuit breaker body 1, improve the radiating effect of circuit breaker body 1, increase the dynamics that two V type flexure strips 34 touched each other simultaneously, thereby increase the swing time of transparent protection casing 2, further improve the radiating effect of circuit breaker body 1.

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.