A power taking structure of an electric leakage circuit breaker

Abstract

The utility model provides a kind of power supply structure of leakage circuit breaker. Mainly solve the line board of current leakage circuit breaker is always in on state, affect service life problem.It is characterized by: still include the contact piece (4), be located in the shell, with line board electric connection;Power supply part (5) is detachably connected with the handle, and it includes a V-shaped, elastic power supply piece (51), the power supply part one end is connected with the L pole electromagnetic system;When the handle is in the second position, the power supply piece is electrically contacted with the contact piece;When the handle is in the first position, the power supply piece is electrically disconnected with the contact piece.The utility model provides a kind of power supply structure of leakage circuit breaker, disconnects the power supply of line board when opening, increases service life.

Description

Technical Field

[0001] This utility model relates to the field of residual current circuit breakers, specifically to a power supply structure for a residual current circuit breaker. Background Technology

[0002] Existing residual current circuit breakers (RCCBs) typically draw power from either the upper or lower end of the circuit breaker, with the power-drawing side being the load side and the non-powered side being the incoming side. If the connections are reversed, the circuit board remains connected even when the product is disconnected, which affects its lifespan due to prolonged energization. If the test button is pressed, the product may burn out because current still flows through the test circuit even though the product is disconnected. Furthermore, losses can easily occur if the user's power distribution line or distribution box design is inconsistent with the product's inherent wiring method. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides a power supply structure for a residual current circuit breaker, which mainly solves the problem that the circuit board of the current residual current circuit breaker is always in the connected state, which affects its service life.

[0004] The technical solution of this utility model is as follows:

[0005] A power-taking structure for a residual current circuit breaker includes a housing, within which is housed an L-pole electromagnetic system, a circuit board, and a rotatable handle. The handle includes a first position when the circuit breaker is open and a second position when the circuit breaker is closed.

[0006] A contact plate is located inside the housing and is electrically connected to the circuit board;

[0007] A power-generating component, detachably connected to the handle, includes a V-shaped, elastic power-generating plate, one end of which is connected to the L-pole electromagnetic system;

[0008] When the handle is in the second position, the power-collecting plate and the power-receiving plate are in electrical contact;

[0009] When the handle is in the first position, the power taking piece and the power receiving piece are electrically disconnected.

[0010] The handle has an opening groove on its axial outer wall, and the power supply component is inserted into the opening groove.

[0011] The power-generating component includes a first piece, one end of which extends into the opening slot and is inserted into the opening slot.

[0012] The power-generating component includes a second piece connected to the first piece, the second piece contacting the outer wall of the handle, and the first and second pieces having an elastic force that brings them closer together.

[0013] The first and second pieces are made as a single unit.

[0014] The power-collecting plate includes a third plate and a fourth plate. The third plate is connected to the second plate, and the fourth plate is used for contact with the power-receiving plate.

[0015] The third piece and the fourth piece have a V-shaped structure.

[0016] The L-pole electromagnetic system includes a coil, and the third piece is connected to the coil by a wire.

[0017] The housing has a support wall inside, and a limiting wall is provided above the support wall. At least a portion of the electrical contact piece is installed between the support wall and the limiting wall.

[0018] The beneficial effects of this utility model are: This utility model provides a power supply structure for a leakage current circuit breaker, which disconnects the power supply to the circuit board when the circuit is tripped, thereby increasing its service life. Attached Figure Description

[0019] Figure 1 This is an internal schematic diagram of one embodiment of the present invention.

[0020] Figure 2 This is an internal perspective view of one embodiment of the present utility model.

[0021] Figure 3 for Figure 1 Enlarged diagram of point A in the middle.

[0022] Figure 4 This is a partial explosion diagram of one embodiment of the present invention. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings. A power-taking structure for a residual current circuit breaker includes a housing 1, within which is an L-pole electromagnetic system, a circuit board 2, and a rotatable handle 3. The handle includes a first position when the circuit breaker is open and a second position when the circuit breaker is closed. It also includes a contact piece 4, disposed within the housing and electrically connected to the circuit board; and a power-taking component 5, detachably connected to the handle, which includes a V-shaped, elastic power-taking piece 51, one end of which is connected to the L-pole electromagnetic system. When the handle is in the second position, the power-taking piece and the contact piece are in electrical contact; when the handle is in the first position, the power-taking piece and the contact piece are electrically disconnected. When the handle is closed, the contact circuit between the power-taking piece and the contact piece is conductive; when the handle is open, it drives the power-taking piece away from the contact piece, disconnecting the circuit to protect the circuit board. The elasticity of the power-taking piece ensures contact while minimizing damage.

[0024] In this embodiment, as shown in the figure, the axial outer wall of the handle is provided with an opening groove 31, and the power supply component is inserted into the opening groove. This facilitates easy assembly and disassembly.

[0025] In this embodiment, as shown in the figure, the power-collecting component includes a first piece 52, one end of which extends into the opening groove and is inserted into the opening groove.

[0026] In this embodiment, as shown in the figure, the power-generating component includes a second piece 53 connected to the first piece. The second piece contacts the outer wall of the handle, and the first and second pieces have an elastic force that brings them closer together. The installation is secure; once in place, the first and second pieces will clamp the wall of the handle.

[0027] In this embodiment, as shown in the figure, the first and second pieces are integrally formed.

[0028] In this embodiment, as shown in the figure, the power-collecting piece includes a third piece 54 and a fourth piece 55. The third piece is connected to the second piece, and the fourth piece is used for contact with the power-receiving piece.

[0029] In this embodiment, as shown in the figure, the third and fourth pieces form a V-shape. The fourth piece can be folded closer to the third piece and returns to its original shape after moving away from the contact piece.

[0030] In this embodiment, as shown in the figure, the L-pole electromagnetic system includes a coil 6, and the third piece is connected to the coil via a wire 61. The connecting piece is connected to the circuit board via a second wire 62.

[0031] In this embodiment, as shown in the figure, a support wall 11 is provided inside the housing, and a limiting wall 12 is provided above the support wall. At least a portion of the contact plate is installed between the support wall and the limiting wall. Installation is convenient; the contact plate can be inserted into the slot between the limiting wall and the support wall.

[0032] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. The embodiments should not be considered as limitations on the present invention, but any improvements made based on the spirit of the present invention should be within the protection scope of the present invention.

Claims

1. A power-taking structure for a residual current circuit breaker, comprising a housing (1), wherein the housing is provided with an L-pole electromagnetic system, a circuit board (2), and a rotatable handle (3), the handle comprising a first position when the circuit breaker is open and a second position when the circuit breaker is closed, characterized in that: Also includes A contact plate (4) is located inside the housing and is electrically connected to the circuit board; The power-generating component (5) is detachably connected to the handle and includes a V-shaped, elastic power-generating piece (51), one end of which is connected to the L-pole electromagnetic system. When the handle is in the second position, the power-collecting plate and the power-receiving plate are in electrical contact; When the handle is in the first position, the power taking piece and the power receiving piece are electrically disconnected.

2. The power supply structure of a residual current circuit breaker according to claim 1, characterized in that: The handle has an opening groove (31) on its axial outer wall, and the power supply component is inserted into the opening groove.

3. The power supply structure of a residual current circuit breaker according to claim 2, characterized in that: The power-collecting component includes a first piece (52), one end of which extends into the opening groove and is inserted into the opening groove.

4. The power supply structure of a residual current circuit breaker according to claim 3, characterized in that: The power-generating component includes a second piece (53) connected to the first piece, the second piece being in contact with the outer wall of the handle, and the first and second pieces having an elastic force that brings them closer together.

5. The power supply structure of a residual current circuit breaker according to claim 4, characterized in that: The first and second pieces are made as a single unit.

6. The power extraction structure of a residual current circuit breaker according to claim 5, characterized in that: The power-collecting plate includes a third plate (54) and a fourth plate (55), the third plate being connected to the second plate, and the fourth plate being used for contact with the power-collecting plate.

7. The power supply structure of a residual current circuit breaker according to claim 6, characterized in that: The third piece and the fourth piece have a V-shaped structure.

8. The power supply structure of a residual current circuit breaker according to claim 6, characterized in that: The L-pole electromagnetic system includes a coil (6), and the third piece is connected to the coil by a wire (61).

9. The power supply structure of a residual current circuit breaker according to any one of claims 1-8, characterized in that: The housing is provided with a support wall (11) and a limiting wall (12) above the support wall. At least part of the electrical contact piece is installed between the support wall and the limiting wall.

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