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CN-224232618-U - Electricity taking structure of electric leakage breaker and electric leakage breaker

CN224232618UCN 224232618 UCN224232618 UCN 224232618UCN-224232618-U

Abstract

The utility model belongs to the technical field of circuit breakers, and discloses an electricity taking structure of an electric leakage circuit breaker and the electric leakage circuit breaker. The leakage circuit breaker comprises a handle, a leakage circuit board and an electromagnetic release. The electricity taking structure of the electric leakage breaker comprises a first conductive piece and a handle spring. The handle spring is mounted on the handle, the handle spring comprises a fixed end and a movable end, the fixed end is electrically connected with the leakage circuit board, the movable end can be electrically connected with the first conductive piece in a contact mode along with closing of the handle so as to enable the leakage circuit board to be electrified, and the movable end can be separated from the first conductive piece along with opening of the handle so as to enable the leakage circuit board to be powered off. The electricity taking structure of the electric leakage breaker can effectively break the electric leakage loop under the condition of the counter-wiring of the electric leakage breaker, effectively reduces the failure risk of the electric leakage breaker, and has the advantages of simple structure, lower cost and higher working reliability.

Inventors

  • LEI GUANG
  • ZHOU CHANGQING
  • GE WEIJUN
  • PAN YOUYI
  • WANG XINZHE
  • HUANG SHAN
  • YANG ZHICONG

Assignees

  • 浙江正泰电器股份有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (10)

  1. 1. The utility model provides a get electric structure of electric leakage circuit breaker, the electric leakage circuit breaker includes handle (11), electric leakage circuit board (21) and electromagnetic release (12), its characterized in that, the electric structure of getting of electric leakage circuit breaker includes: A first conductive member (100), wherein one end of the first conductive member (100) is electrically connected to the electromagnetic release (12), and the other end of the first conductive member (100) is close to the handle (11); Handle spring (200), install in handle (11), handle spring (200) include stiff end (210) and expansion end (220), stiff end (210) with leakage circuit board (21) electricity is connected, expansion end (220) can follow the closing of handle (11) with first electrically conductive piece (100) contact electricity is connected, so that leakage circuit board (21) circular telegram, and can follow the opening of handle (11) with first electrically conductive piece (100) separation, so that leakage circuit board (21) outage.
  2. 2. The electricity taking structure of an earth leakage breaker according to claim 1, wherein the first conductive member (100) is a conductive elastic piece, one end of the conductive elastic piece is connected with a magnetic yoke (121) of the electromagnetic release (12), and when the handle (11) is closed, the other end of the conductive elastic piece is elastically abutted to the movable end (220).
  3. 3. The electricity taking structure of the earth leakage breaker according to claim 2, wherein the conductive elastic sheet forms a first conductive segment (111), a second conductive segment (112) and a third conductive segment (113) which are sequentially connected in a bending manner, the first conductive segment (111) is connected with the magnetic yoke (121), and the third conductive segment (113) is used for being elastically matched with the movable end (220); The conductive spring plate is arranged in the circuit breaker shell (13), two first clamping protrusions (131) are arranged on the inner wall of the circuit breaker shell (13), two first clamping protrusions (131) are arranged at intervals to form clamping grooves, and the joint of the second conductive section (112) and the third conductive section (113) is clamped in the clamping grooves.
  4. 4. A power taking structure of an earth leakage breaker according to any one of claims 1-3, characterized in that the earth leakage breaker further comprises a second conductive member (300), one end of the second conductive member (300) is connected to the fixed end (210), and the other end of the second conductive member (300) is connected to the earth leakage circuit board (21).
  5. 5. The electricity taking structure of an earth leakage breaker according to claim 4, characterized in that the handle spring (200) is disposed in a breaker housing (13), and a first through hole opposite to the fixed end (210) is disposed on the breaker housing (13); The leakage circuit board (21) is arranged on the leakage module base (22), a second through hole (221) corresponding to the leakage circuit board (21) and an empty-keeping long groove (222) communicated with the second through hole (221) are arranged on the leakage module base (22), and the empty-keeping long groove (222) is arranged on the outer wall, close to the breaker shell (13), of the leakage module base (22); The second conductive piece (300) comprises a first connecting section (310), a second connecting section (320) and a third connecting section (330) which are sequentially connected, the first connecting section (310) penetrates through the first through hole and is connected with the fixed end (210), the second connecting section (320) is arranged in the clearance long groove (222), and the third connecting section (330) penetrates through the second through hole (221) and is connected with the leakage circuit board (21).
  6. 6. The electricity taking structure of a residual current circuit breaker according to claim 5, wherein, The end part of the first connecting section (310) is abutted with the fixed end (210), the part of the first connecting section (310) arranged outside the circuit breaker shell (13) is bent to form the second connecting section (320), and the second connecting section (320) is abutted with the third connecting section (330); or the second conductive piece (300) is a torsion spring, a spiral part of the torsion spring is installed in the second through hole (221), a first torsion arm of the torsion spring is the third connecting section (330), a second torsion arm of the torsion spring is bent to form the second connecting section (320) and the first connecting section (310), and the end part of the first connecting section (310) is elastically abutted to the fixed end (210).
  7. 7. The electricity taking structure of an earth leakage breaker according to claim 5, wherein second clamping protrusions (223) are disposed on two opposite inner walls of the hollow-away slot (222), and the second connecting section (320) is clamped between the two opposite second clamping protrusions (223).
  8. 8. The electricity taking structure of an electric leakage breaker according to claim 5, wherein the breaker housing (13) comprises a breaker base (103) and a breaker upper cover covered on the breaker base (103), a limit groove (1031) is arranged on the breaker base (103), the fixed end (210) is clamped in the limit groove (1031), the first through hole is arranged on the breaker upper cover, the first through hole is opposite to the limit groove (1031), and the breaker upper cover is attached to the electric leakage module base (22).
  9. 9. A power taking structure of an earth leakage breaker according to any one of claims 1-3, characterized in that the handle (11) is rotatably mounted on the breaker housing (13), and an arc baffle (132) is disposed on the inner wall of the breaker housing (13) at the periphery of the rotating base (101) of the handle (11), and the arc baffle (132) is used for blocking the arc generated when the movable end (220) is separated from the first conductive member (100) from being sprayed to the outside of the breaker housing (13).
  10. 10. An earth leakage breaker characterized by comprising a breaker module (10), an earth leakage module (20) and an earth leakage breaker electricity tapping structure according to any one of claims 1-9, said earth leakage breaker electricity tapping structure being arranged in said breaker module (10).

Description

Electricity taking structure of electric leakage breaker and electric leakage breaker Technical Field The utility model relates to the technical field of circuit breakers, in particular to an electricity taking structure of an electric leakage circuit breaker and the electric leakage circuit breaker. Background In a conventional earth leakage circuit breaker, a circuit board is usually powered on a load end of the circuit breaker, and when the circuit breaker adopts an up-in and down-out wiring, the load end has no voltage after the circuit breaker is disconnected. When the circuit breaker is reversely wired, the circuit board becomes to take electricity at the power end, if leakage current appears in the circuit or a test button is pressed down, the leakage current triggers the controllable silicon to conduct the leakage circuit, the leakage release drives the circuit breaker to break, at the moment, the circuit board still has power input and the controllable silicon can not be cut off once triggered, the leakage circuit is continuously conducted, long-time energization can lead to continuous heating of the coil and burning loss, and finally the leakage circuit breaker is invalid. Therefore, it is needed to provide an electricity taking structure of an electric leakage breaker and the electric leakage breaker to solve the above technical problems. Disclosure of utility model According to one aspect of the utility model, the utility model provides an electricity taking structure of an electric leakage breaker, which can effectively break an electric leakage loop under the condition of reverse wiring of the electric leakage breaker, effectively reduce failure risk of the electric leakage breaker, and has the advantages of simple structure, lower cost and higher working reliability. To achieve the purpose, the utility model adopts the following technical scheme: The utility model provides a get electric structure of electric leakage circuit breaker, the electric leakage circuit breaker includes handle, electric leakage circuit board and electromagnetism release, and the electric structure of getting of electric leakage circuit breaker includes: one end of the first conductive piece is electrically connected to the electromagnetic release, and the other end of the first conductive piece is close to the handle; The handle spring is installed in the handle, the handle spring includes stiff end and expansion end, the stiff end with leakage circuit board electricity is connected, the expansion end can be followed the closing of handle with first electrically conductive piece contact electricity is connected, so that leakage circuit board circular telegram, and can be followed the separating brake of handle with first electrically conductive piece separation, so that leakage circuit board outage. Optionally, the first conductive piece is a conductive elastic piece, one end of the conductive elastic piece is connected with a magnetic yoke of the electromagnetic release, and when the handle is switched on, the other end of the conductive elastic piece is elastically abutted to the movable end. Optionally, the conductive elastic sheet forms a first conductive section, a second conductive section and a third conductive section which are sequentially connected in a bending manner, the first conductive section is connected with the magnetic yoke, and the third conductive section is used for being elastically matched with the movable end; The conductive spring plate is arranged in the circuit breaker shell, two first clamping protrusions are arranged on the inner wall of the circuit breaker shell, clamping grooves are formed in the first clamping protrusions at intervals, and the connecting positions of the second conductive section and the third conductive section are clamped in the clamping grooves. Optionally, the leakage breaker further includes a second conductive member, one end of the second conductive member is connected to the fixed end, and the other end of the second conductive member is connected to the leakage circuit board. Optionally, the handle spring is arranged in a breaker shell, and a first through hole opposite to the fixed end is formed in the breaker shell; The leakage circuit board is arranged on a leakage module base, a second through hole corresponding to the leakage circuit board and an empty-keeping long groove communicated with the second through hole are arranged on the leakage module base, and the empty-keeping long groove is arranged on the outer wall of the leakage module base, which is close to the circuit breaker shell; The second conductive piece comprises a first connecting section, a second connecting section and a third connecting section which are sequentially connected, the first connecting section penetrates through the first through hole and is connected with the fixed end, the second connecting section is arranged in the clearance long groove, and the third connecting section p