CN210156330U - Circuit breaker with electric leakage indication function - Google Patents
Circuit breaker with electric leakage indication function Download PDFInfo
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- CN210156330U CN210156330U CN201921042255.9U CN201921042255U CN210156330U CN 210156330 U CN210156330 U CN 210156330U CN 201921042255 U CN201921042255 U CN 201921042255U CN 210156330 U CN210156330 U CN 210156330U
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- circuit breaker
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Abstract
The utility model is suitable for a circuit breaker technical field provides a circuit breaker with electric leakage instruction function, include: a housing; a handle; the first end of the handle is sleeved on the shell and limited on the shell through a first torsion spring, and the second end of the handle extends out of the slotted position of the shell and is limited by the slotted position; the indicating piece is sleeved on the shell and limited on the handle through a second torsion spring, and the directions of holding forces of the first torsion spring and the second torsion spring are the same; the tripping system comprises a tripper and a limiting member arranged corresponding to a mandril of the tripper, the limiting member is sleeved on the shell and limited on the shell through a third torsion spring, and the second end of the limiting member props against the indicating piece to keep the indicating piece in the shell; the operating mechanism is provided with an unlocking component, and the unlocking component is arranged on the ejection position of the limiting component. The utility model discloses be convenient for installation and dismantlement, reduce cost improves leakage circuit breaker's security performance.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, especially, relate to a circuit breaker with electric leakage instruction function.
Background
Residual current operated circuit breakers (RCBO) are commonly and importantly used in homes, markets, offices and other places, and are mainly used for personal safety protection and circuit overcurrent protection, and are essential products of terminal power distribution circuits.
However, when the existing integrated circuit breaker is overloaded and has overcurrent faults or leakage faults, the handle is mostly in the off position, and a user cannot distinguish which fault occurs, so that trouble is caused by accurately and timely troubleshooting; for an integrated circuit breaker using an LED indicator lamp as fault type indication, an electronic circuit board is required to get electricity from an incoming line end, the requirement on the connection is high, the circuit board is always electrified, potential safety hazards exist, and the cost of the LED indicator lamp is high; the existing mechanical leakage indicating mechanism in the market is integrated, so that the installation and the disassembly are complex, the cost is high, and the L pole and the N pole of a main circuit are positioned in one modulus (18mm), so that the safety performance of a product is not high, the maximum current is 40A, and the requirement of market terminal leakage cannot be met; the existing circuit breaker with current specification to 63A is a single handle, the electric leakage indication is of a button type, the mechanism stability is poor, the breaking capacity is poor, and the requirement of the market on high-performance products cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit breaker with electric leakage instruction function aims at solving current integral type circuit breaker installation, dismantles complicacy, and the cost is higher, the not high problem of security performance.
The utility model discloses a realize like this, provide a circuit breaker with electric leakage instruction function, include:
a housing;
the first end of the handle is sleeved on the shell and limited on the shell through a first torsion spring, and the second end of the handle extends out of the slotted position of the shell and is limited by the slotted position;
the indicating piece is sleeved on the shell and limited on the handle through a second torsion spring, the indicating piece and the handle are coaxially arranged, and the directions of holding forces of the first torsion spring and the second torsion spring are the same;
the tripping device comprises a tripping device body and a limiting member, wherein the limiting member is arranged corresponding to a top rod of the tripping device body, the limiting member is sleeved on the shell body and limited on the shell body through a third torsion spring, the first end of the limiting member is arranged corresponding to the top rod, and the second end of the limiting member props against the indicating piece to keep the indicating piece in the shell body;
the operating mechanism is provided with an unlocking component, and the unlocking component is arranged on the ejection position of the limiting component.
Furthermore, the first end of the unlocking member is limited with the first transmission member of the operating mechanism, the second end of the unlocking member is arranged on the ejection position of the limiting member, and the ejection surface of the unlocking member and the limiting member is an arc-shaped surface.
Furthermore, the indicator is provided with a protruding part, the direction of the holding force of the third torsion spring is opposite to that of the holding force of the second torsion spring, and the second end of the limiting member abuts against the protruding part.
Furthermore, the limiting member is a bending structural member, and the hinged position of the limiting member is located at the bending position of the limiting member.
Still further, the indicating piece comprises a hinge part, a connecting part connected with the hinge part and an indicating part connected with the connecting part.
Furthermore, the indicating part is of an arc structure.
Furthermore, the first end of the handle is provided with a first limiting part so as to limit the rotation of the indicating piece.
Furthermore, the first end of the handle is also provided with a second limiting part for limiting the other side of the indicating piece.
Furthermore, the handle is in transmission connection with the operating mechanism through a bent rod.
Further, the housing is provided with a stopper portion.
The unlocking member of the independent operating mechanism is abutted against the first end of the limiting member and is kept stable, so that the independent limiting member limits the independent indicator through the second end of the limiting member; when an electric leakage fault occurs, under the action of electromagnetic force, the ejector rod of the tripper pushes against the limiting component to enable the indicating part to be separated from the limiting position of the limiting component to indicate electric leakage, and the first end of the limiting component pushes the unlocking component of the operating mechanism to enable the movable joint part and the static joint part to be separated to disconnect a circuit, so that electric leakage protection is performed. The leakage indication and protection are realized through the cooperation of the independent indication piece, the limiting part, the ejector rod part and the action part, the installation and the disassembly are convenient, the cost is reduced, and meanwhile, the safety performance of the leakage circuit breaker is improved.
Drawings
Fig. 1 is an overall structure diagram of a circuit breaker with a leakage indication function provided by the present invention;
fig. 2 is a normal closing state diagram of the circuit breaker with the leakage indication function provided by the present invention;
fig. 3 is a normal opening state diagram of the circuit breaker with the leakage indication function provided by the present invention;
fig. 4 is a diagram of the electric leakage opening process of the circuit breaker with the electric leakage indication function provided by the present invention;
fig. 5 is a final state diagram of the breaker with leakage indication function for opening the breaker;
fig. 6 is a diagram illustrating a reclosing process after the breaker with the leakage indication function of the present invention is opened;
fig. 7 is an external view of the circuit breaker with the leakage indication function provided by the present invention.
Wherein, the handle 1; a second torsion spring 2; an indicator 3; the projection 31; an indicating section 32; a stop member 4; a first end 41 of the stop member 4; second end 42 of stop member 4; a third torsion spring 5; a release 6; a top rod 61; an operating mechanism 7; an unlocking member 71; a movable joint part 72; a first transmission member 73; a housing 8; a stopper portion 81; a static joint 82; a first torsion spring 9; a fourth torsion spring 10; a bent rod 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a circuit breaker with electric leakage instruction function, the cooperation through indicator, spacing part, ejector pin part and the action part of independent design realizes electric leakage instruction and protection, is convenient for install and dismantles, and independent action part can improve electric leakage circuit breaker's security performance.
Example one
As shown in fig. 1, fig. 1 is the above-mentioned whole structure diagram of circuit breaker with electric leakage instruction function, the utility model provides a circuit breaker with electric leakage instruction function, include: a housing 8, a handle 1, an indicator 3, a trip system, and an operating mechanism 7. The first end of the handle 1 is sleeved on the shell 8 and limited on the shell 8 through a first torsion spring 9, and the second end of the handle 1 extends out of the slotted position of the shell and is limited by the slotted position; indicator 3 cup joints in on the casing 8 to through second torsional spring 2 spacing in handle 1, indicator 3 and the coaxial setting of handle 1, first torsional spring 9, second torsional spring 2's holding power direction is the same. In the present embodiment, the description will be made with respect to the force in which the holding force direction of the first torsion spring 9 and the second torsion spring 2 is counterclockwise.
The tripping system comprises a tripper 6 and a limiting member 4 arranged corresponding to a mandril 61 of the tripper 6, the limiting member is sleeved on the shell 8 and limited on the shell 8 through a third torsion spring 5, a first end 41 of the limiting member 4 is arranged corresponding to the mandril, and a second end 42 of the limiting member 4 is propped against the indicator 3 to keep the indicator 3 in the shell 8.
In the present embodiment, the holding force of the third torsion spring 5 is opposite in direction to the holding force of the first and second torsion springs 9 and 2 (i.e., clockwise force). Of course, the direction of the holding force of the third torsion spring 5 is related to the arrangement direction of the fiber member 4 and the release jack 61, and when the limiting member is of the inverted hook structure, for example, when the indicator is hooked by a counterclockwise force, the holding force of the third torsion spring 5 may be a counterclockwise force.
In this embodiment, the operating mechanism 7 is provided with an unlocking member 71, and the unlocking member 71 is disposed on the ejecting position of the stopper member 4.
When the second end of the handle 1 is normally switched on, the handle 1 rotates clockwise to contact with the shell 8 to stop, the unlocking member 71 of the independent operating mechanism 7 is abutted against the first end 41 of the limiting member 4 and keeps stable, so that the limiting member 4 limits the indicator 3 through the second end 42, and the circuit is conducted; when an electric leakage fault occurs, under the action of electromagnetic force, the ejector rod 61 of the tripper 6 of the tripping system pushes against the limiting member 4, so that the indicator 3 is separated from the second end 42 of the limiting member 4 for limiting, and the electric leakage is indicated, and the first end 41 of the limiting member 4 pushes the unlocking member 71 of the operating mechanism 7, so that the operating mechanism 7 is unlocked, the circuit is disconnected, and the electric leakage protection is performed. The leakage indication and protection are realized through the cooperation of the independent indicator 3, the limiting component 4, the tripping system and the operating mechanism 7, the installation and the disassembly are convenient, the cost is reduced, and the safety performance of the leakage circuit breaker can be improved through the independent action part.
Example two
The present embodiment will be explained below with reference to fig. 1 to 7.
As shown in fig. 1, in the overall structure of the circuit breaker with the leakage indication function, the unlocking member 71 is hinged to the housing 8 through the fourth torsion spring 10, a first end of the unlocking member 71 is disposed in a position limited by the first transmission member 73 of the operating mechanism 7, a second end of the unlocking member 71 is disposed at an ejection position of the limiting member 4, and an ejection surface of the unlocking member 71 and the limiting member 4 is an arc surface. When the limiting member 4 ejects the unlocking member 71, the arc-shaped abutting surface can ensure that the stress direction of the unlocking member 71 is always horizontal, so that the energy loss is reduced.
In this embodiment, as shown in fig. 4, the indicator 3 is provided with a protrusion 31, the third torsion spring 5 is opposite to the holding force of the second torsion spring 2, and the second end of the stop member 4 abuts against the protrusion 31, so that the indicator 3 can be held in the housing 8 because the protrusion 31 and the end of the stop member 4 are in a limit relationship. Of course, the position-limiting relationship between the indicator 3 and the position-limiting member 4 may be achieved by other structures, for example, a concave portion may be provided on the indicator 3 to form a position-limiting relationship with the position-limiting member 4. Alternatively, the stop member 4 may be provided with a hook structure to achieve a stop relationship with the protrusion 31 or the recess.
In this embodiment, the limiting member 4 is a bending structural member, and the hinge position of the limiting member 4 is located at the bending position, which is favorable for reducing the stroke of the limiting member 4 for releasing the indicator 3, so as to reduce the stroke requirement of the ejector rod 61 of the release.
In the present embodiment, as shown in fig. 4, the indicating member 3 includes a hinge portion (not shown), a connecting portion (not shown) connected to the hinge portion, and an indicating portion 32 connected to the connecting portion, wherein the indicating portion 32 is an arc-shaped structure, the indicating portion 32 of the arc-shaped structure reduces collision between structures as much as possible during rotation, requires less space, and indicates more clearly when it is rotated to be slotted, and in the present embodiment, the indicating portion 32 may be made of a striking material or coated with a striking paint.
In the present embodiment, the first end of the handle 1 is provided with a first limiting portion to limit the rotation of the indicator 3; the first end of the handle 1 is also provided with a second limiting part for limiting the other side of the indicating piece 3; the handle 1 is in transmission connection with the operating mechanism through a bent rod 11; the housing 8 is provided with a stationary engaging portion 82 and a stopper portion 81.
As shown in fig. 1, fig. 1 is an initial state diagram of the circuit breaker with the leakage indication function, and the operating mechanism 7 is provided with a movable joint part 72; the handle 1 is contacted with the shell 8 by the counterclockwise force of the first torsion spring 9, is positioned at the notch of the shell 8 through the second end of the handle 1 extending out of the shell 8 and is limited by the notch, the operating mechanism 7 separates the movable joint part 72 from the static joint part 82, and the main circuit of the circuit breaker is disconnected; the limiting component 4 is stopped at the stopping part 81 by the clockwise force of the third torsion spring 5 and the shell 8, so that the indicating piece 3 which is subjected to the counterclockwise force of the second torsion spring 2 is limited with the limiting component 4, and the indicating piece 3 does not pop up, so that the circuit breaker is displayed as normally open.
As shown in fig. 2, fig. 2 is a normal closing state diagram of the circuit breaker with the leakage indication function, the handle 1 rotates clockwise under the action of external force, and is in transmission connection with the operating mechanism 7 through the bent rod 11, and drives the first transmission member 73 of the operating mechanism 7 to move, the first transmission member 73 drives the movable joint portion 72 so as to close the movable joint portion 72 and the static joint portion 82, the main circuit is connected, at this time, the limit structure of the handle 1 contacts with the indicator 3, and drives the indicator 3 and the limit member 4 to separate, so that no friction force exists between the indicator 3 and the limit member 4, and thus resistance borne by the release 6 when the leakage fault occurs is reduced.
As shown in fig. 3, fig. 3 is a normal opening state diagram of the circuit breaker with the leakage indication function, when the operating mechanism 7 is unlocked manually or the handle 1 is pushed counterclockwise manually, the circuit breaker can be opened normally, on one hand, when the handle 1 rotates counterclockwise under the action of the spring force of the first torsion spring 9 to contact with the housing 8, the indicator 3 rotates counterclockwise to contact with the limiting member 4, the second end 42 of the limiting member 4 abuts against the protruding part of the indicator 3, on the other hand, the limiting member 4 and the housing 8 are stopped at 81 by the clockwise force of the third torsion spring 5 to keep stable, so that the indicator 3 is stopped, and the circuit breaker is displayed as a normal open. The limiting member 4 is a bending member and is hinged with the third torsion spring 5 at the bending position; the indicating piece 3 is hinged with the second torsion spring 2 at the hinge part of the indicating piece 3.
As shown in fig. 4 and 5, fig. 4 is a diagram of an electrical leakage opening process of the circuit breaker with the electrical leakage indication function, and fig. 5 is a final state of the electrical leakage opening of the circuit breaker; the release 6 comprises a mandril 61 and a coil, wherein the mandril 61 can be contacted with the limiting component 4 and is propped against the limiting component 4 so as to limit the indicator 3 when no electricity leaks; when an electric leakage fault occurs, when a coil of the tripper 6 detects current, electromagnetic force is generated, under the action of the electromagnetic force, the ejector rod 61 of the tripper 6 moves rightwards to push the limiting component 4, so that the indicating part 3 is separated from the limiting of the limiting component 4 and moves anticlockwise with the handle 1 under the action of the second torsion spring 2, further, the arc-shaped indicating part of the indicating part 3 pops up to indicate that the electric leakage fault occurs, and the arc-shaped first end 41 of the limiting component 4 pushes the unlocking component 71 of the operating mechanism 7 to reset the operating mechanism 7, namely, the movable joint part 72 and the static joint part 82 are separated to disconnect the main circuit of the circuit breaker, so that the electric leakage protection is realized; as shown in FIG. 5, eventually the handle 1 is stopped by the first torsion spring 9 contacting the housing 8 with a counterclockwise force, the indicator 3 is disengaged from the stop member 4 and no longer contacted, and the stop member 4 is stopped by the third torsion spring 5 contacting the housing 8 with a clockwise force at 81. The arc design of the collision part between the first end 41 of the limiting member 4 and the unlocking member 71 of the operating mechanism 7 can ensure that the stress direction of the operating mechanism 7 is always horizontal, thereby reducing energy loss.
As shown in fig. 6, fig. 6 is a diagram of a process of reclosing after opening the circuit breaker with the leakage indication function; when the leakage fault occurs and the switch needs to be switched on again, the handle 1 can be manually rotated clockwise to drive the indicating part 3 to move together, meanwhile, the bent rod 11 drives the operating mechanism 7 to be switched on, and when the handle 1 drives the indicating part 3 to be in contact with the limiting component 4, the limiting component 4 can be driven to rotate anticlockwise until the indicating part 3 slides over the limiting component 4; finally, the limiting member 4 is reset again to be in contact with the shell 8 to limit under the action of the third torsion spring 5, the handle 1 rotates to be abutted against the shell 8 to limit, the indicator 3 is separated from the limiting member 4 to be in contact with the static combining part 82 of the shell 8, the main circuit is switched on, and the circuit breaker is switched on again.
As shown in fig. 7, fig. 7 is an external view of the circuit breaker with the leakage indication function, where the circuit breaker includes two modules (i.e., two switch handles), one module on the left side is an L pole (live wire), one module on the right side is an N pole (zero wire), and the N pole has the operating mechanism 7 designed independently, so that the safety performance of the circuit breaker can be improved, and the maximum current of the circuit breaker can reach 63A.
The unlocking component of the independent operating mechanism is abutted against the first end of the limiting component and is kept stable, so that the independent limiting component limits the independent indicator through the second end of the limiting component; when an electric leakage fault occurs, under the action of electromagnetic force, the ejector rod of the tripper pushes against the limiting component to enable the indicating part to be separated from the limiting position of the limiting component to indicate electric leakage, and the first end of the limiting component pushes the unlocking component of the operating mechanism to enable the movable joint part and the static joint part to be separated to disconnect a circuit, so that electric leakage protection is performed. The leakage indication and protection are realized through the cooperation of the independent indication part, the limiting part, the ejector rod part and the action part, the installation and the disassembly are convenient, the cost is reduced, and the safety performance of the circuit breaker can be improved through the independent action part.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A circuit breaker with a leakage indication function, comprising:
a housing;
the first end of the handle is sleeved on the shell and limited on the shell through a first torsion spring, and the second end of the handle extends out of the slotted position of the shell and is limited by the slotted position;
the indicating piece is sleeved on the shell and limited on the handle through a second torsion spring, the indicating piece and the handle are coaxially arranged, and the directions of holding forces of the first torsion spring and the second torsion spring are the same;
the tripping device comprises a tripping device body and a limiting member, wherein the limiting member is arranged corresponding to a top rod of the tripping device body, the limiting member is sleeved on the shell body and limited on the shell body through a third torsion spring, the first end of the limiting member is arranged corresponding to the top rod, and the second end of the limiting member props against the indicating piece to keep the indicating piece in the shell body;
the operating mechanism is provided with an unlocking component, and the unlocking component is arranged on the ejection position of the limiting component.
2. The circuit breaker of claim 1, wherein the first end of the unlocking member is disposed in a position limited by the first transmission member of the operating mechanism, the second end of the unlocking member is disposed in a position pushed out of the limiting member, and a surface pushed out of the limiting member is an arc-shaped surface.
3. The circuit breaker of claim 2, wherein the indicator is provided with a projection, the third torsion spring being in a direction opposite the holding force of the second torsion spring, the stop member second end abutting the projection.
4. The circuit breaker of claim 3, wherein the stop member is a bent node member, and the hinge position of the stop member is located at the bend thereof.
5. The circuit breaker of claim 1, wherein the indicating member comprises a hinge portion, a connecting portion connected to the hinge portion, and an indicating portion connected to the connecting portion.
6. The circuit breaker of claim 5, wherein the indicator portion is an arcuate structure.
7. The circuit breaker of claim 5, wherein the first end of the handle is provided with a first limit stop to limit rotation of the indicator.
8. The circuit breaker of claim 7, wherein the first end of the handle is further provided with a second position-limiting portion for limiting the other side of the indicator.
9. The circuit breaker of claim 8, wherein the handle is drivingly connected to the operating mechanism through a bent rod.
10. The circuit breaker of claim 1, wherein the housing is provided with a stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042255.9U CN210156330U (en) | 2019-07-04 | 2019-07-04 | Circuit breaker with electric leakage indication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042255.9U CN210156330U (en) | 2019-07-04 | 2019-07-04 | Circuit breaker with electric leakage indication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210156330U true CN210156330U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921042255.9U Active CN210156330U (en) | 2019-07-04 | 2019-07-04 | Circuit breaker with electric leakage indication function |
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|---|---|
| CN (1) | CN210156330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116072477A (en) * | 2021-10-29 | 2023-05-05 | 科都电气股份有限公司 | Operation tripping mechanism and electric switch with same |
-
2019
- 2019-07-04 CN CN201921042255.9U patent/CN210156330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116072477A (en) * | 2021-10-29 | 2023-05-05 | 科都电气股份有限公司 | Operation tripping mechanism and electric switch with same |
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Effective date of registration: 20231128 Address after: 315333 Kuang Yan Zhen Long Ge Cun, Cixi City, Ningbo City, Zhejiang Province Patentee after: Ningbo bull Low Voltage Electric Co.,Ltd. Address before: 315314 East District of Industrial Park, Cixi, Ningbo, Zhejiang Patentee before: GONGNIU GROUP Co.,Ltd. |