Main power supply circuit breaker locking protection device

Abstract

The utility model provides a main power supply circuit breaker locking protection device, and relates to the technical field of circuit breaker locking protection, the main power supply circuit breaker locking protection device comprises a protection box, the protection box is rotatably connected with a box cover, one side, close to the protection box, of the box cover is provided with an abdominal cavity, the box cover is matched with the protection box for protection of a circuit breaker, and the abdominal cavity is used for avoiding a toggle valve of the circuit breaker. The protection box and the box cover are arranged, the protection box and the box cover are matched with each other to protect the toggle valve of the circuit breaker, when equipment needs to be maintained, maintenance personnel cut off the power of the circuit breaker and close the box cover for protection, the situation that other personnel open the box cover to conduct circuit breaker closing operation can be reduced, and accidental electric shock is reduced.

Description

Technical Field

[0001] This utility model relates to the field of circuit breaker locking protection technology, and more specifically, to a main power circuit breaker locking protection device. Background Technology

[0002] In current standard machine-room-less elevators, the main power circuit breaker is located inside the control cabinet. While toggle circuit breakers provide automatic tripping in case of overcurrent, existing technology lacks a locking device for these toggle circuit breakers. When maintenance personnel toggle the circuit breaker downwards to cut off the main power before performing maintenance, others unaware of the situation may directly operate the circuit breaker to restore power, posing a risk of electric shock to the maintenance personnel. Therefore, we propose an improvement: a main power circuit breaker locking protection device. Utility Model Content

[0003] The purpose of this invention is to address the problem of electric shock caused by other personnel's misoperation during maintenance.

[0004] In order to achieve the above-mentioned objectives, this utility model provides a main power circuit breaker locking protection device to improve the above-mentioned problems.

[0005] The application is as follows:

[0006] A main power circuit breaker locking protection device includes a protective box with a cover rotatably connected to it. A cavity is provided on the side of the cover near the protective box. The cover and the protective box cooperate to protect the circuit breaker, and the cavity is used to avoid the circuit breaker's actuating valve. This application, through the protective box and cover, which cooperate to protect the circuit breaker's actuating valve, allows maintenance personnel to disconnect the circuit breaker and close the cover for protection when the equipment needs maintenance. This reduces the likelihood of other personnel opening the cover to close the circuit breaker, thus reducing the risk of accidental electric shock.

[0007] As a preferred technical solution of this application, the protective box includes two baffles, a first connecting post is fixedly connected between the two baffles, and the box cover is sleeved on the outer surface of the first connecting post.

[0008] As a preferred technical solution of this application, a locking plate is fixedly connected between the two baffles, and a locking hole is provided on the locking plate.

[0009] As a preferred technical solution of this application, the box cover is provided with an insertion port, and the position of the insertion port is adapted to the position of the locking plate.

[0010] As a preferred technical solution of this application, the socket is used to connect with the lock plate, and the lock hole is used to set the lock after the socket and the lock plate are connected.

[0011] As a preferred technical solution of this application, an installation component is provided between the two baffles, and the installation component is used to install the baffles onto the circuit breaker.

[0012] As a preferred technical solution of this application, the mounting component includes two connecting plates, both of which are disposed between two baffles.

[0013] As a preferred technical solution of this application, two second connecting posts are fixedly connected between the two baffles, and the two connecting plates are respectively sleeved on the outer surfaces of the two second connecting posts.

[0014] As a preferred technical solution of this application, the two connecting plates are provided with double-sided adhesive on the side that is close to each other, and the double-sided adhesive is used to bond with the circuit breaker during installation.

[0015] As a preferred technical solution of this application, the box cover is also provided with a display hole.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] In the scheme of this application:

[0018] To address the issue of electric shock caused by misoperation during maintenance in existing technologies, this application proposes a protective box and cover. These components work together to protect the circuit breaker's actuating valve. When maintenance is required, the maintenance personnel disconnect the circuit breaker and close the cover for protection, reducing the likelihood of other personnel opening the cover to close the circuit breaker and thus minimizing the risk of accidental electric shock. Attached Figure Description

[0019] Figure 1 A schematic diagram of the main power circuit breaker locking protection device provided in this application;

[0020] Figure 2 A side view of the locking plate of the main power circuit breaker locking protection device provided in this application;

[0021] Figure 3 A bottom view of the main power circuit breaker locking protection device provided in this application;

[0022] Figure 4 A schematic diagram of the structure of the protective box of the main power circuit breaker locking protection device provided in this application when it is installed on the circuit breaker.

[0023] The image shows:

[0024] 1. Protective box; 2. Box cover; 201. Abdominal cavity; 202. Display hole; 203. Insertion port; 204. First connecting post; 3. Connecting plate; 301. Second connecting post; 4. Locking plate; 401. Lock hole. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0026] As described in the background section, in current standard machine-room-less elevators, the main power circuit breaker is placed inside the control cabinet. The toggle circuit breaker can automatically trip in case of overcurrent. In the prior art, there is no locking device for the toggle circuit breaker inside the control cabinet. When maintenance personnel toggle the circuit breaker downward to cut off the main power supply and go to perform equipment maintenance, others who are unaware of the situation may directly operate the circuit breaker to power on, resulting in the danger of electric shock to the maintenance personnel.

[0027] To solve this technical problem, this utility model provides a main power circuit breaker locking protection device.

[0028] For details, please refer to Figures 1-4 The main power circuit breaker interlocking protection device specifically includes:

[0029] The protective box 1 has a cover 2 rotatably connected to it. The cover 2 has a cavity 201 on the side near the protective box 1. The cover 2 and the protective box 1 work together to protect the circuit breaker, and the cavity 201 is used to avoid the circuit breaker's toggle valve.

[0030] The main power circuit breaker locking protection device provided by this utility model has a protective box 1 and a cover 2. The protective box 1 and the cover 2 work together to protect the circuit breaker's toggle valve. When the equipment needs maintenance, the maintenance personnel will disconnect the circuit breaker and close the cover 2 for protection, which can reduce the situation where other personnel open the cover 2 to perform circuit breaker closing operations and reduce the occurrence of accidental electric shock.

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0033] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0034] Example 1, please refer to Figures 1-4 A main power circuit breaker locking protection device includes a protective box 1, a cover 2 rotatably connected to the protective box 1, and a cavity 201 provided on the side of the cover 2 near the protective box 1. The cover 2 and the protective box 1 cooperate to protect the circuit breaker, and the cavity 201 is used to avoid the circuit breaker's actuating valve. This application, through the protective box 1 and the cover 2, can protect the circuit breaker's actuating valve by cooperating with each other. When the equipment needs maintenance, the maintenance personnel will disconnect the circuit breaker and close the cover 2 for protection, which can reduce the situation where other personnel open the cover 2 to close the circuit breaker, thus reducing the occurrence of accidental electric shock. By avoiding the circuit breaker's actuating valve through the cavity 201, the automatic tripping of the circuit breaker in case of overcurrent can be prevented from being affected by the cover 2.

[0035] The cover 2 is made of transparent acrylic, allowing the circuit breaker status to be directly viewed through it.

[0036] Example 2 further optimizes the main power circuit breaker locking protection device provided in Example 1, specifically, as follows: Figure 4 As shown, the protective box 1 includes two baffles, and a first connecting post 204 is fixedly connected between the two baffles. The box cover 2 is sleeved on the outer surface of the first connecting post 204. The first connecting post 204 can reinforce the two baffles, and the first connecting post 204 realizes the rotational connection between the box cover 2 and the protective box 1, so that the box cover 2 can rotate and open.

[0037] Furthermore, such as Figures 1-3 As shown, a locking plate 4 is fixedly connected between the two baffles. The locking plate 4 has a locking hole 401, which is used for the lock to pass through when the lid 2 is locked.

[0038] Furthermore, such as Figure 2 As shown, the lid 2 has an opening 203, and the position of the opening 203 is adapted to the position of the locking plate 4 so that the locking plate 4 can pass through the opening 203 when the lid 2 is closed.

[0039] Furthermore, the socket 203 is used to connect with the lock plate 4, and the lock hole 401 is used to set the lock after the socket 203 and the lock plate 4 are connected. The lock can be a common padlock. The key of the padlock is kept by the maintenance personnel. When the cover 2 is closed, the lock plate 4 is connected with the socket 203, and the padlock is locked on the lock plate 4 through the lock hole 401 to lock the cover 2, thereby protecting the circuit breaker toggle valve. At this time, when the maintenance personnel disconnect the circuit breaker and perform maintenance work, due to the protection of the cover 2 and the protective box 1, other personnel cannot operate the circuit breaker, thereby improving the safety of the maintenance personnel.

[0040] Example 3 further optimizes the main power circuit breaker locking protection device provided in Example 1 or 2. Specifically, an installation component is provided between the two baffles. The installation component is used to install the baffles on the circuit breaker to achieve the installation of this application.

[0041] Furthermore, such as Figure 1 As shown, the mounting component includes two connecting plates 3, both of which are positioned between two baffles.

[0042] Furthermore, such as Figure 1 As shown, two second connecting posts 301 are fixedly connected between the two baffles. Two connecting plates 3 are respectively sleeved on the outer surfaces of the two second connecting posts 301. The second connecting posts 301 can reinforce the two baffles and provide a connection point for the connecting plate 3 to the protective box 1. The connecting plate 3 can rotate around the second connecting post 301 to adjust the angle of the connecting plate 3 according to the actual situation of the circuit breaker.

[0043] Furthermore, double-sided adhesive is provided on the side of each of the two connecting plates 3 that is close to each other, and the double-sided adhesive is used to bond with the circuit breaker during installation. That is, the connecting plates 3 are fixed to the circuit breaker by bonding with double-sided adhesive to achieve the installation of this application.

[0044] Furthermore, such as Figure 3 As shown, the cover 2 is also provided with a display hole 202. The position of the display hole 202 corresponds to the specification display area on the circuit breaker, so that the specifications and model of the circuit breaker can be known without opening the cover 2.

[0045] The usage process of the main power circuit breaker locking protection device provided by this utility model is as follows:

[0046] Taking Delixi 2P circuit breaker as an example, Figure 4The circuit breaker is marked at point A. When in use, the connecting plate 3 is attached to the side of the circuit breaker with double-sided tape. During maintenance, the maintenance personnel open the cover 2 and disconnect the circuit breaker, then close the cover 2 and lock it. At this time, other personnel cannot operate the circuit breaker to improve the safety of the maintenance personnel. After the maintenance personnel have completed their work, the lock is unlocked, the cover 2 is opened, and the circuit breaker can be operated to turn on the power.

[0047] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0048] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A main power circuit breaker lockout protection device, comprising: The utility model provides a protective box (1) rotatably connected with a box cover (2), the box cover (2) is provided with a abdominal cavity (201) near one side of the protective box (1), the box cover (2) is matched with the protective box (1) for the protection of circuit breaker, and the abdominal cavity (201) is used for avoiding the toggle valve of circuit breaker.

2. A main power circuit breaker lockout protection device according to claim 1, wherein, The protective box (1) includes two flaps, and a first connecting column (204) is fixedly connected between the two flaps.

3. A main power circuit breaker lockout protection device according to claim 2 wherein, A lock plate (4) is fixedly connected between the two flaps, and a lock hole (401) is formed in the lock plate (4).

4. A main power circuit breaker lockout protection device according to claim 3 wherein, An insertion opening (203) is formed in the box cover (2), and the position of the insertion opening (203) is matched with the position of the lock plate (4).

5. A main power circuit breaker lockout protection device according to claim 4 wherein, The insertion opening (203) is used for insertion with the lock plate (4), and the lock hole (401) is used for setting a lock after the insertion opening (203) and the lock plate (4) are inserted.

6. A main power circuit breaker lockout protection device according to claim 2 or 5, wherein Mounting members are arranged between the two flaps, and the mounting members are used for mounting the flaps on the circuit breaker.

7. A main power circuit breaker lockout protection device according to claim 6 wherein, The mounting members include two connecting plates (3), and the two connecting plates (3) are arranged between the two flaps.

8. A main power circuit breaker lockout protection device according to claim 7, wherein, Two second connecting columns (301) are fixedly connected between the two flaps, and the two connecting plates (3) are sleeved on the outer surfaces of the two second connecting columns (301).

9. A main power circuit breaker lockout protection device according to claim 7 or 8, wherein, Double-sided adhesive tapes are arranged on the sides of the two connecting plates (3) close to each other, and the double-sided adhesive tapes are used for bonding with the circuit breaker during mounting.

10. A main power circuit breaker lockout protection device according to claim 9 wherein, A display hole (202) is further formed in the box cover (2).

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