Impact-resistant direct-current miniature circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, in particular to an impact-resistant direct-current micro circuit breaker, which comprises a protective cover, a box door is connected to the outer side of the protective cover, heat dissipation openings are formed in two sides of the outside of the protective cover, filter screens are arranged in the heat dissipation openings, and cleaning assemblies are arranged on the surfaces of the filter screens on the two sides. The cleaning assembly comprises a fixing plate, an electric push rod, a connecting plate, a cleaning brush, a sliding groove and a second sliding block, a control panel is arranged on the left side of the exterior of the protection cover, a circuit breaker body is arranged in the protection cover, a fan is arranged at the top of the inner side of the protection cover, and a clamping groove is formed in the bottom of the inner side of the protection cover. By means of the structure of the protection cover and the clamping groove, when the device is used, the protection cover can effectively resist impact of external force, the device can be clamped and fixed in the device through the clamping plates on the two sides in the clamping groove, and the stability and reliability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an impact-resistant DC micro-breaking device. Background Art

[0002] A DC micro-breaker is an overcurrent protection device specially designed for DC circuits. When an abnormal current appears in the circuit, it can quickly cut off the circuit, thereby protecting the equipment in the circuit from damage. DC micro-breakers are commonly used in various electronic equipment and automation systems to ensure their safe and stable operation.

[0003] In practical applications, DC micro-breakers often face challenges from the external environment, such as shock, vibration, dust, and moisture. These factors may cause device performance degradation or even cause failures, thus threatening the stability and reliability of the entire system.

[0004] Therefore, it is particularly important to design an impact-resistant DC micro-breaker device to change the above technical defects and improve the overall practicality. Utility Model Content

[0005] The purpose of the utility model is to provide an impact-resistant DC micro-breaker device to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A shock-resistant DC micro-breaker device comprises a protective cover, a box door is connected to the outside of the protective cover, heat dissipation ports are provided on both sides of the outside of the protective cover, filters are arranged inside the heat dissipation ports, cleaning components are arranged on the surfaces of the filters on both sides, the cleaning components comprise a fixing plate, an electric push rod, a connecting plate, a cleaning brush, a slide groove and a second slide block, a control panel is arranged on the left side of the outside of the protective cover, a circuit breaker body is arranged inside the protective cover, a fan is arranged on the top of the inner side of the protective cover, a clamping groove is arranged at the bottom of the inner side of the protective cover, and a temperature sensor is installed on the inner wall of the protective cover.

[0008] As a preferred solution of the utility model, a groove is provided on the front of the protective cover, and first sliding blocks adapted to the groove are provided on both sides of the box door, and the protective cover and the box door are fixedly connected by sliding connection between the groove and the first sliding blocks.

[0009] As a preferred solution of the utility model, an observation window and a fixing block are provided on the box door.

[0010] As a preferred solution of the utility model, the cleaning assembly includes a fixed plate, one side of the fixed plate is fixedly connected to the outside of the protective cover, and an electric push rod is fixedly connected to the bottom, the end of the electric push rod is connected to a connecting plate, and a side of the connecting plate close to the filter is provided with evenly distributed cleaning brushes, and sliding grooves are provided on the outside of the protective cover and on both sides of the filter, a second slider is slidably connected inside the sliding groove, both sides of the connecting plate extend to the top of the sliding groove, and both sides of the bottom are fixedly connected to one side of the second slider.

[0011] As a preferred solution of the utility model, a driving motor and a bidirectional screw are arranged inside the clamping groove, the driving motor is located at one end of the inner side of the clamping groove, and the output shaft is connected to one end of the bidirectional screw, two groups of moving blocks are threadedly connected on the bidirectional screw, and the tops of the moving blocks on both sides are connected to clamping plates.

[0012] As a preferred solution of the present invention, the control panel is electrically connected to the drive motor, the fan and the temperature sensor.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, an impact-resistant DC micro-breaker device is provided, and the structure of a protective cover and a clamping groove is utilized to achieve that when in use, the protective cover can effectively resist external force impact and vibration, and protect the internal circuits and components from damage. The device can be clamped and fixed inside by the clamping plates on both sides of the clamping groove to prevent it from loosening or falling off due to vibration or impact during operation, thereby improving the stability and reliability of the overall use of the device.

[0015] In the utility model, an impact-resistant DC micro-breaker device is provided, and the structure of the heat dissipation port, the filter and the cleaning component is utilized to achieve that when in use, the filter can be used to block external dust during daily heat dissipation and ventilation, and the surface of the filter can be automatically cleaned regularly under the action of the cleaning component to keep the heat dissipation channel unobstructed, thereby further improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the impact-resistant DC micro-breaker device of the utility model;

[0017] Figure 2 This is a structural diagram of the protective cover and box door of the impact-resistant DC micro-breaker device of the utility model;

[0018] Figure 3 This is a diagram showing the internal structure of the protective cover of the impact-resistant DC micro-breaker device of the utility model;

[0019] Figure 4This is a structural diagram of the cleaning component of the impact-resistant DC micro-breaker device of the utility model.

[0020] In the figure: 1. protective cover; 11. groove; 2. box door; 21. first slider; 3. heat dissipation port; 4. filter; 5. cleaning component; 51. fixing plate; 52. electric push rod; 53. connecting plate; 531. cleaning brush; 54. slide groove; 55. second slider; 6. control panel; 7. circuit breaker body; 8. fan; 9. clamping groove; 91. drive motor; 92. bidirectional screw; 93. moving block; 94. clamping plate; 10. temperature sensor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0025] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0026] An impact-resistant DC micro-breaker device comprises a protective cover 1, a box door 2 is connected to the outer side of the protective cover 1, heat dissipation ports 3 are provided on both sides of the outer side of the protective cover 1, daily heat dissipation and ventilation are performed through the heat dissipation ports 3, a filter screen 4 is provided inside the heat dissipation port 3, external dust can be blocked by the filter screen 4 during daily heat dissipation and ventilation, cleaning components 5 are provided on the surfaces of the filter screens 4 on both sides, the cleaning components 5 comprise a fixing plate 51, an electric push rod 52, a connecting plate 53, a cleaning brush 531, a slide groove 54 and a second slide block 55, and the surface of the filter screen 4 can be automatically cleaned by the cleaning components 5;

[0027] The front of the protective cover 1 is provided with a groove 11, and first slide blocks 21 adapted to the groove 11 are provided on both sides of the box door 2. The protective cover 1 and the box door 2 are fixedly connected by sliding connection between the groove 11 and the first slide blocks 21, so that it is convenient to open the box door 2 to inspect the internal device. The box door 2 is provided with an observation window and a fixing block, so as to facilitate observation of the internal situation. The cleaning component 5 includes a fixing plate 51, one side of the fixing plate 51 is fixedly connected to the outside of the protective cover 1, and the bottom is fixedly connected to an electric push rod 52, and the end of the electric push rod 52 is connected to a connecting plate 53, and the connecting plate 53 is close to the filter screen. 4 is provided with evenly distributed cleaning brushes 531, and slide grooves 54 are opened on the outside of the protective cover 1 and on both sides of the filter screen 4, and a second slider 55 is slidably connected inside the slide groove 54, and both sides of the connecting plate 53 extend to the top of the slide groove 54, and both sides of the bottom are fixedly connected to one side of the second slider 55. In actual use, the electric push rod 52 is controlled to extend and retract back and forth, and under the action of the cleaning brush 531 at the bottom of the end connecting plate 53, the surface of the filter screen 4 is cleaned, and the bottoms of both sides of the connecting plate 53 are connected to the slider 55, so that the electric push rod 52 is more stable when it is extended and moved left and right.

[0028] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 4 A control panel 6 is arranged on the left side of the outside of the protective cover 1, and the control panel 6 is used for overall control. A circuit breaker body 7 is arranged inside the protective cover 1, and a fan 8 is arranged on the top of the inner side of the protective cover 1. The fan 8 can accelerate the air circulation inside and outside the body. A clamping groove 9 is arranged at the bottom of the inner side of the protective cover 1, and the device can be clamped by the clamping groove 9. A temperature sensor 10 is installed on the inner wall of the protective cover 1, and the internal temperature can be sensed by the temperature sensor 10;

[0029] A driving motor 91 and a bidirectional lead screw 92 are provided inside the clamping groove 9. The driving motor 91 is located at one end of the inner side of the clamping groove 9, and the output shaft is connected to one end of the bidirectional lead screw 92. Two groups of moving blocks 93 are threadedly connected to the bidirectional lead screw 92, and clamping plates 94 are connected to the tops of the moving blocks 93 on both sides. In actual use, the driving motor 91 is turned on to drive the bidirectional lead screw 92 to rotate, so that the two groups of moving blocks 93 connected thereto move toward each other, thereby clamping and fixing the device inside. The control panel 6 is electrically connected to the driving motor 91, the fan 8 and the temperature sensor 10, so that it is convenient for the staff to control them through the control panel 6.

[0030] The practical working process of this invention is as follows: when the impact-resistant DC micro-breaker device is used in daily life, the internal device can be protected by the external protective cover 1, effectively blocking the impact of external forces, and the device is clamped and fixed in place inside by the clamping plates 94 on both sides of the bidirectional lead screw 92 during use, preventing it from loosening or falling off due to vibration or impact during operation, thereby improving the stability and reliability of the device during use. At the same time, in daily use, daily heat dissipation and ventilation are carried out through the heat dissipation port 3, and the staff can control the electric push rod 52 to open and retract through the control panel 6, thereby automatically cleaning the dust on the surface of the filter 4, keeping the heat dissipation channel unobstructed, and further improving the heat dissipation effect. When the internal temperature sensor 10 senses that the temperature has reached the preset value, it transmits a signal to the control panel 6, and the control panel 6 automatically turns on the fan 8, thereby accelerating the air circulation inside and outside.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An impact-resistant DC micro-breaker device, comprising a protective cover (1), characterized in that: The outer side of the protective cover (1) is connected to a box door (2), the outer sides of the protective cover (1) are provided with heat dissipation ports (3), the inner sides of the heat dissipation ports (3) are provided with filter screens (4), the surfaces of the filter screens (4) on both sides are provided with cleaning components (5), the cleaning components (5) include a fixing plate (51), an electric push rod (52), a connecting plate (53), a cleaning brush (531), a slide groove (54) and a second slide block (55), a control panel (6) is provided on the outer left side of the protective cover (1), a circuit breaker body (7) is provided inside the protective cover (1), a fan (8) is provided on the inner top of the protective cover (1), a clamping groove (9) is provided on the inner bottom of the protective cover (1), and a temperature sensor (10) is installed on the inner wall of the protective cover (1).

2. The impact-resistant DC micro-breaker device according to claim 1, characterized in that: The protective cover (1) is provided with a groove (11) on the front side, and first sliding blocks (21) adapted to the groove (11) are provided on both sides of the box door (2); the protective cover (1) and the box door (2) are fixedly connected by sliding connection between the groove (11) and the first sliding blocks (21).

3. The impact-resistant DC micro-breaker device according to claim 1, characterized in that: The box door (2) is provided with an observation window and a fixing block.

4. The impact-resistant DC micro-breaker device according to claim 1, characterized in that: The cleaning assembly (5) comprises a fixing plate (51), one side of the fixing plate (51) is fixedly connected to the outside of the protective cover (1), and the bottom is fixedly connected to an electric push rod (52), the end of the electric push rod (52) is connected to a connecting plate (53), a side of the connecting plate (53) close to the filter screen (4) is provided with evenly distributed cleaning brushes (531), and a slide groove (54) is provided outside the protective cover (1) and on both sides of the filter screen (4), a second slider (55) is slidably connected inside the slide groove (54), both sides of the connecting plate (53) extend to the top of the slide groove (54), and both sides of the bottom are fixedly connected to one side of the second slider (55).

5. The impact-resistant DC micro-breaker device according to claim 1, characterized in that: A driving motor (91) and a bidirectional lead screw (92) are arranged inside the clamping groove (9); the driving motor (91) is located at one end of the inner side of the clamping groove (9), and the output shaft is connected to one end of the bidirectional lead screw (92); two groups of moving blocks (93) are threadedly connected to the bidirectional lead screw (92), and the tops of the moving blocks (93) on both sides are connected to clamping plates (94).

6. The impact-resistant DC micro-breaker device according to claim 1, characterized in that: The control panel (6) is electrically connected to the drive motor (91), the fan (8) and the temperature sensor (10).

Images