CN219917043U

CN219917043U - Plastic case circuit breaker reclosing connecting plate

Info

Publication number: CN219917043U
Application number: CN202320955198.3U
Authority: CN
Inventors: 吴瑞增; 叶翼鼎; 包炳帆
Original assignee: Zhejiang Taijiahe Electric Appliance Co ltd
Current assignee: Zhejiang Taijiahe Electric Appliance Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-10-27
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a reclosing connecting plate of a molded case circuit breaker, which comprises a first copper plate, a second copper plate and a connecting plate, wherein the first copper plate is fixedly connected to one end of the connecting plate, the other end of the connecting plate is fixedly connected with the second copper plate, the first copper plate and the second copper plate are connected with the connecting plate to form a Z shape, the thicknesses of the first copper plate, the second copper plate and the connecting plate are the same, the width of the first copper plate is larger than that of the second copper plate, and the width of the second copper plate is larger than that of the connecting plate.

Description

Plastic case circuit breaker reclosing connecting plate

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a reclosing connecting plate of a molded case circuit breaker.

Background

The circuit breaker is an important protection device in a low-voltage distribution system, plays a role in switching on and off normal working current in the low-voltage distribution system, and simultaneously provides short-circuit protection, overload protection, leakage undervoltage protection and the like for an alternating current power grid line and electric equipment.

The existing plastic-case circuit breaker reclosing has the defect when in use, and the connecting plate has a conductive function when in specific use, but the current connecting plate on the market has insufficient conductive capacity, so that the powerful function of the plastic-case circuit breaker can not be fully exerted.

Disclosure of Invention

The utility model aims to provide a reclosing connecting plate of a molded case circuit breaker, which aims to solve the problem that the connecting plate has a conductive function in specific use in the prior art, but the current connecting plate on the market has insufficient conductive capacity, so that the powerful function of the molded case circuit breaker cannot be fully exerted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a moulded case circuit breaker reclosing connection board, includes first copper, second copper and connecting plate, first copper fixed connection is in the one end of connecting plate, the other end fixedly connected with second copper of connecting plate, first copper and second copper link to each other with the connecting plate and are the Z shape, the thickness of first copper, second copper and connecting plate is the same, the width of first copper is greater than the width of second copper, the width of second copper is greater than the width of connecting plate.

Preferably, the first copper plate, the second copper plate and the connecting plate are formed by integrally forming.

Preferably, protective layers are attached to the surfaces of the first copper plate, the second copper plate and the connecting plate, and the protective layers are made of electroplated nickel materials.

Preferably, the two sides of the first copper plate are provided with bosses, the first copper plate is provided with a through hole, and two threaded holes are formed between the through hole and the connecting position of the connecting plate.

Preferably, the second copper plate is provided with an elliptical hole.

Preferably, a chamfer is formed at the upper inlet of the through hole.

Advantageous effects

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

according to the utility model, the thicknesses of the first copper plate, the second copper plate and the connecting plate are the same, the design reduces the generation of waste materials, improves the self conductivity, ensures the stability when large current passes, and prevents potential safety hazards caused by electric arcs due to too close of two electrical equipment while ensuring the strength of the connecting plate structure by arranging the Z shape, and simultaneously ensures the improvement of the internal wiring space after installation.

Drawings

Fig. 1 is a schematic view of a downward perspective structure of a reclosing connection board of a molded case circuit breaker;

fig. 2 is a schematic view of an upward perspective structure of a reclosing connection board of a molded case circuit breaker according to the present utility model;

fig. 3 is a schematic diagram of a front view structure of a reclosing connection board of a molded case circuit breaker according to the present utility model.

Fig. 4 is an enlarged schematic diagram of a position a of a reclosing connection board of a molded case circuit breaker.

1. A first copper plate; 2. a connecting plate; 3. a second copper plate; 4. a boss; 5. a through hole; 6. a threaded hole; 7. an elliptical hole;

8. chamfering; 9. and (3) a protective layer.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, construct and operate in the specific direction, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1-4 are schematic structural diagrams of a reclosing connection board of a molded case circuit breaker according to a preferred embodiment of the present utility model, where the reclosing connection board of a molded case circuit breaker includes a first copper plate 1, a second copper plate 3 and a connection board 2, where the first copper plate 1 is fixedly connected to one end of the connection board 2, the other end of the connection board 2 is fixedly connected to the second copper plate 3, the first copper plate 1 and the second copper plate 3 are connected to the connection board 2 in a Z shape, the structure is configured to enable two connected electrical devices to have a certain creepage distance and an electrical gap therebetween, and prevent an electrical device from generating an error action due to an arc generated by too close between an output end of one of the electrical devices in the main circuit and an input end of another electrical device or multiple electrical devices, and the height difference can enable electrical safety of the electrical devices to ensure safe and reliable operation of the devices, the thicknesses of the first copper plate 1, the second copper plate 3 and the connection board 2 are the same, the structure is configured to enable the electrical devices to output currents to be uniform, increase the stability of the load currents, the width of the first copper plate 1 is greater than the width of the second copper plate 3, and the width of the second copper plate is greater than the width of the connection board 2.

In the present embodiment, the first copper plate 1, the second copper plate 3 and the connection plate 2 are integrally formed, improving the strength thereof and improving the conductivity.

In this embodiment, the surfaces of the first copper plate 1, the second copper plate 3 and the connecting plate 2 are attached with the protective layer 9, and the protective layer 9 is made of electroplated nickel, so that the design protects copper bars to generate the bad influence of copper green while beautifying products, and prolongs the service life of electrical equipment.

In this embodiment, boss 4 is provided with in first copper both sides, has seted up through-hole 5 on the first copper, and two screw holes 6 have been seted up between the junction of through-hole 5 and connecting plate 2, play the effect of being convenient for install.

In this embodiment, the second copper plate 3 is provided with the elliptical hole 7, and the design can move under the condition that the hole site is inaccurate in the installation process, so that the installation compatibility is strong.

In this embodiment, the chamfer 8 is provided at the inlet of the through hole 5, which has the function of convenient installation.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a moulded case circuit breaker reclosing connection board, includes first copper (1), second copper (3) and connecting plate (2), its characterized in that: the novel copper plate is characterized in that the first copper plate (1) is fixedly connected to one end of the connecting plate (2), the second copper plate (3) is fixedly connected to the other end of the connecting plate (2), the first copper plate (1) and the second copper plate (3) are connected with the connecting plate (2) to form a Z shape, the thicknesses of the first copper plate (1), the second copper plate (3) and the connecting plate (2) are the same, the width of the first copper plate (1) is larger than that of the second copper plate (3), and the width of the second copper plate (3) is larger than that of the connecting plate (2).

2. The molded case circuit breaker reclosing connection panel of claim 1, wherein: the first copper plate (1), the second copper plate (3) and the connecting plate (2) are integrally formed.

3. The molded case circuit breaker reclosing connection board according to claim 2, wherein: the surfaces of the first copper plate (1), the second copper plate (3) and the connecting plate (2) are attached with protective layers (9), and the protective layers (9) are made of electroplated nickel materials.

4. The molded case circuit breaker reclosing connection panel of claim 1, wherein: the two sides of the first copper plate are provided with bosses (4), the first copper plate is provided with a through hole (5), and two threaded holes (6) are formed between the through hole (5) and the connecting position of the connecting plate (2).

5. The molded case circuit breaker reclosing connection panel of claim 1, wherein: an elliptical hole (7) is formed in the second copper plate (3).

6. The molded case circuit breaker reclosing connection panel of claim 4, wherein: and a chamfer (8) is formed at the upper inlet of the through hole (5).