Internal power-taking feedback device of small reclosing circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a small reclosing circuit breaker internal electricity-taking feedback device which comprises an N-pole cover, an N-pole base is connected to the side wall of the N-pole cover, an L-pole circuit breaker is connected to the side wall of the N-pole base, an electricity-taking feedback structure is connected in an inner cavity formed by combining the N-pole cover and the N-pole base, and the L-pole circuit breaker is connected with the electricity-taking feedback structure. According to the utility model, the electricity-taking feedback structure is arranged in the electricity-taking feedback device in the small reclosing circuit breaker, so that the design that the L-pole magnet yoke, the L-pole arc striking sheet and all parts in the electricity-taking feedback structure are connected through the phase line electricity-taking spring and the feedback spring is utilized; the contact points are in close contact under the action of the feedback spring and the phase line electricity taking spring, so that the stability of signal transmission is ensured, and the problem of unstable signal transmission is solved.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to an internal power taking feedback device of a small reclosing circuit breaker. Background Art

[0002] At present, the internal power feedback structure of small reclosing circuit breakers is mostly connected by wires, which causes the contact points to often fall off during use, resulting in unstable signal transmission, which in turn causes failure of the circuit breaker. To address the above problems, it is necessary to provide an internal power feedback device for a small reclosing circuit breaker. Utility Model Content

[0003] The utility model aims to provide an internal power taking feedback device for a small reclosing circuit breaker to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A small reclosing circuit breaker internal power feedback device comprises an N-pole cover, an N-pole base is connected to the side wall of the N-pole cover, an L-pole circuit breaker is connected to the side wall of the N-pole base, a power feedback structure is connected to the inner cavity of the N-pole cover and the N-pole base, a phase line power spring is connected to the inner cavity of the N-pole base, a feedback spring is arranged in the inner cavity of the N-pole base and on one side of the phase line power spring, an L-pole circuit breaker power connection point is arranged on the side wall of the L-pole circuit breaker, and an L-pole circuit breaker feedback connection point is arranged on the side wall of the L-pole circuit breaker and on one side of the L-pole circuit breaker power connection point;

[0006] The power feedback structure includes a control circuit board, which is connected to the side wall of the inner cavity of the N-pole cover, a circuit board feedback pad is arranged on the side wall of the control circuit board, a feedback signal point is arranged on the side wall of the control circuit board and located on one side of the circuit board feedback pad, a circuit board phase line power pad is arranged on the side wall of the control circuit board, a power signal point is arranged on the side wall of the control circuit board and located on one side of the circuit board phase line power pad, an L-pole yoke is connected to the side wall of the control circuit board, and an L-pole arc-starting piece is connected on the side wall of the control circuit board and located on one side of the L-pole yoke.

[0007] As a preferred solution of the utility model, the feedback pad of the circuit board is connected to the feedback signal point via a feedback spring.

[0008] As a preferred solution of the present invention, one end of the feedback spring is connected to the bottom of the L-pole magnetic yoke and the connection method is electrical connection.

[0009] As a preferred solution of the utility model, the phase line power taking pad of the circuit board is connected to the power taking signal point via a phase line power taking spring.

[0010] As a preferred solution of the utility model, the other end of the phase line power taking spring is connected to the L-pole arc starting piece and the connection method is electrical connection.

[0011] As a preferred solution of the utility model, the L-pole circuit breaker feedback connection point is connected to the L-pole magnetic yoke, and the L-pole circuit breaker power supply connection point is connected to the L-pole arc-starting piece.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a power feedback structure is provided in the internal power feedback device of the small reclosing circuit breaker, thereby utilizing the design that the L-pole magnetic yoke, the L-pole arc-starting piece and various components in the power feedback structure are connected through the phase line power spring and the feedback spring. Therefore, during the use of the internal power feedback device of the small reclosing circuit breaker, each contact point is in close contact with each other under the action of the feedback spring and the phase line power spring, thereby ensuring the stability of signal transmission and solving the problem of unstable signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the positive measurement structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 Schematic diagram of explosion structure;

[0016] Figure 3 It is a structural schematic diagram of the power feedback structure of the utility model.

[0017] In the figure: 1. N-pole cover; 2. N-pole base; 3. L-pole circuit breaker; 4. Power supply feedback structure; 5. Phase line power supply spring; 6. Feedback spring; 7. L-pole circuit breaker power supply connection point; 8. L-pole circuit breaker feedback connection point; 401. Control circuit board; 402. Circuit board feedback pad; 403. Feedback signal point; 404. Circuit board phase line power supply pad; 405. Power supply signal point; 406. L-pole yoke; 407. L-pole arc starter. DETAILED DESCRIPTION

[0018] 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.

[0019] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention 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 present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also 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 in this article are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used 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 in this article includes any and all combinations of one or more related listed items.

[0022] For example, please refer to Figure 1-3 , the utility model provides a technical solution:

[0023] A small reclosing circuit breaker internal power feedback device comprises an N-pole cover 1, an N-pole base 2 is connected to the side wall of the N-pole cover 1, an L-pole circuit breaker 3 is connected to the side wall of the N-pole base 2, a power feedback structure 4 is connected to the inner cavity of the N-pole cover 1 and the N-pole base 2, a phase line power spring 5 is connected to the inner cavity of the N-pole base 2, a feedback spring 6 is arranged in the inner cavity of the N-pole base 2 and located on one side of the phase line power spring 5, an L-pole circuit breaker power connection point 7 is arranged on the side wall of the L-pole circuit breaker 3, and an L-pole circuit breaker feedback connection point 8 is arranged on the side wall of the L-pole circuit breaker 3 and located on one side of the L-pole circuit breaker power connection point 7;

[0024] In this embodiment, reference Figure 1 , Figure 2 and Figure 3The power feedback structure 4 includes a control circuit board 401, which is connected to the side wall of the inner cavity of the N-pole cover 1, a circuit board feedback pad 402 is arranged on the side wall of the control circuit board 401, a feedback signal point 403 is arranged on the side wall of the control circuit board 401 and located on one side of the circuit board feedback pad 402, a circuit board phase line power pad 404 is arranged on the side wall of the control circuit board 401, a power signal point 405 is arranged on the side wall of the control circuit board 401 and located on one side of the circuit board phase line power pad 404, an L-pole yoke 406 is connected to the side wall of the control circuit board 401, and a L-pole magnetic yoke 406 is connected to the side wall of the control circuit board 401 and located on the side wall of the L-pole magnetic yoke 406. An L-pole arc-starting piece 407 is connected to one side of the yoke 406, and the feedback pad 402 of the circuit board is connected to the feedback signal point 403 through a feedback spring 6, one end of the feedback spring 6 is connected to the bottom of the L-pole magnetic yoke 406 and the connection method is electrical connection, the circuit board phase line power-taking pad 404 and the power-taking signal point 405 are connected through a phase line power-taking spring 5, the other end of the phase line power-taking spring 5 is connected to the L-pole arc-starting piece 407 and the connection method is electrical connection, the L-pole circuit breaker feedback connection point 8 is connected to the L-pole magnetic yoke 406, and the L-pole circuit breaker power-taking connection point 7 is connected to the L-pole arc-starting piece 407, thereby connecting various points of the device;

[0025] Among them, the feedback pad 402 of the circuit board is connected to the feedback signal point 403 through the feedback spring 6, one end of the feedback spring 6 is connected to the bottom of the L-pole yoke 406 and the connection method is electrical connection, the phase line power pad 404 of the circuit board and the power signal point 405 are connected through the phase line power spring 5, the other end of the phase line power spring 5 is connected to the L-pole arc-starting piece 407 and the connection method is electrical connection, the L-pole circuit breaker feedback connection point 8 is connected to the L-pole yoke 406, and the L-pole circuit breaker power connection point 7 is connected to the L-pole arc-starting piece 407, so that the device is smoother when used.

[0026] The working process of the utility model is as follows: when using the internal power feedback device of a small reclosing circuit breaker, the feedback pad 402 of the circuit board is connected to the feedback signal point 403 through the feedback spring 6, one end of the feedback spring 6 is connected to the bottom of the L-pole yoke 406 and the connection method is electrical connection, the phase line power pad 404 of the circuit board is connected to the power signal point 405 through the phase line power spring 5, the other end of the phase line power spring 5 is connected to the L-pole arc-starting piece 407 and the connection method is electrical connection, the L-pole circuit breaker feedback connection point 8 is connected to the L-pole yoke 406, and the L-pole circuit breaker power connection point 7 is connected to the L-pole arc-starting piece 407, so that the various points of the device are connected, so that the device is in a working state, so that each contact point is in close contact under the action of the feedback spring 6 and the phase line power spring 5, thereby ensuring the stability of signal transmission.

[0027] 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. A small reclosing circuit breaker internal power feedback device, comprising an N-pole cover (1), characterized in that: The N-pole cover (1) is connected to an N-pole base (2) on its side wall, an L-pole circuit breaker (3) is connected to its side wall, a power-taking feedback structure (4) is connected to the inner cavity of the N-pole cover (1) and the N-pole base (2), a phase-line power-taking spring (5) is connected to the inner cavity of the N-pole base (2), a feedback spring (6) is arranged in the inner cavity of the N-pole base (2) and on one side of the phase-line power-taking spring (5), an L-pole circuit breaker power-taking connection point (7) is arranged on the side wall of the L-pole circuit breaker (3), and an L-pole circuit breaker feedback connection point (8) is arranged on the side wall of the L-pole circuit breaker (3) and on one side of the L-pole circuit breaker power-taking connection point (7); The power taking feedback structure (4) comprises a control circuit board (401), the control circuit board (401) being connected to the side wall of the inner cavity of the N-pole cover (1), a circuit board feedback pad (402) being arranged on the side wall of the control circuit board (401), a feedback signal point (403) being arranged on the side wall of the control circuit board (401) and located on one side of the circuit board feedback pad (402), a circuit board phase line power taking pad (404) being arranged on the side wall of the control circuit board (401), a power taking signal point (405) being arranged on the side wall of the control circuit board (401) and located on one side of the circuit board phase line power taking pad (404), an L-pole yoke (406) being connected to the side wall of the control circuit board (401), and an L-pole arc starting piece (407) being connected to the side wall of the control circuit board (401) and located on one side of the L-pole yoke (406).

2. The internal power feedback device of a small reclosing circuit breaker according to claim 1 is characterized in that: The circuit board feedback pad (402) and the feedback signal point (403) are connected via a feedback spring (6).

3. The internal power feedback device of a small reclosing circuit breaker according to claim 1 is characterized in that: One end of the feedback spring (6) is connected to the bottom of the L-pole magnetic yoke (406) and the connection method is electrical connection.

4. The internal power feedback device of a small reclosing circuit breaker according to claim 1 is characterized in that: The circuit board phase line power taking pad (404) and the power taking signal point (405) are connected via a phase line power taking spring (5).

5. The internal power feedback device of a small reclosing circuit breaker according to claim 1, characterized in that: The other end of the phase line power taking spring (5) is connected to the L-pole arc starting piece (407) and the connection method is electrical connection.

6. The internal power feedback device of a small reclosing circuit breaker according to claim 1, characterized in that: The L-pole circuit breaker feedback connection point (8) is connected to the L-pole magnetic yoke (406), and the L-pole circuit breaker power supply connection point (7) is connected to the L-pole arc-starting piece (407).

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