CN217086500U - Micro-energy tripping and opening operation mechanism for circuit breaker - Google Patents
Micro-energy tripping and opening operation mechanism for circuit breaker Download PDFInfo
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- CN217086500U CN217086500U CN202220403239.3U CN202220403239U CN217086500U CN 217086500 U CN217086500 U CN 217086500U CN 202220403239 U CN202220403239 U CN 202220403239U CN 217086500 U CN217086500 U CN 217086500U
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Abstract
The application relates to a micro-energy tripping and opening operation mechanism for a circuit breaker, which relates to the technical field of circuit breakers and comprises an opening half shaft, wherein the tripping and opening operation mechanism comprises a fixed plate and an electromagnet arranged on the fixed plate; one end of the electromagnetic iron core of the electromagnet is abutted against the opening half shaft, and one end of the electromagnetic iron core of the electromagnet, which is far away from the opening half shaft, is fixedly provided with a limit nut; the fixing plate is provided with a connecting piece and a driving piece, and the connecting piece is detachably and fixedly connected with the limiting nut; when the electromagnet is in a power-off state, the driving piece drives the connecting piece to displace along the direction away from the electromagnet, so that an electromagnetic iron core of the electromagnet retracts, and the opening half shaft is in a closing state; when the electromagnet is in an electrified state, the driving piece drives the connecting piece to displace along the direction close to the electromagnet, and the electromagnetic iron core of the electromagnet extends to drive the opening half shaft to rotate so that the opening half shaft is in an opening state. This application has the effect that improves the security of circuit breaker separating brake.
Description
Technical Field
The application relates to the technical field of circuit breakers, in particular to a micro-energy tripping and opening operating mechanism for a circuit breaker.
Background
The circuit breaker is a common circuit protection device, and the circuit breaker has separating brake and closing two kinds of states, and when the circuit breaker was in closing state, the circuit normal operating, under the trouble such as the overload takes place, short circuit or need overhaul the circuit etc. the condition, the circuit breaker need carry out the separating brake operation to the circuit breaking.
The circuit breaker among the correlation technique closes the separating brake and adopts the independent operation mostly, and its operating voltage 110/220V is many, however because its operating current is bigger, can cause certain damage or damage to electronic component after the electric current is bigger, can lead to the unable separating brake of circuit breaker after the component damage, the circuit breaker is in the short circuit state and explodes or personal and property safety, exists the improvement.
SUMMERY OF THE UTILITY MODEL
In order to improve the safety of circuit breaker separating brake for the convenience, this application provides a little energy dropout separating brake operating device for circuit breaker.
The application provides a little energy dropout separating brake operating device for circuit breaker adopts following technical scheme:
a micro-energy tripping and opening operation mechanism for a circuit breaker comprises an opening half shaft, wherein the tripping and opening operation mechanism comprises a fixed plate and an electromagnet arranged on the fixed plate;
one end of an electromagnetic iron core of the electromagnet is abutted against the opening half shaft, and a limit nut is fixedly arranged at one end of the electromagnetic iron core of the electromagnet, which is far away from the opening half shaft;
the fixing plate is provided with a connecting piece and a driving piece, and the connecting piece is detachably and fixedly connected with the limiting nut;
when the electromagnet is in a power-off state, the driving piece drives the connecting piece to displace along the direction away from the electromagnet, so that an electromagnetic iron core of the electromagnet retracts, and the opening half shaft is in a closing state;
when the electromagnet is in an electrified state, the driving piece drives the connecting piece to displace along the direction close to the electromagnet, and the electromagnetic iron core of the electromagnet extends to drive the opening half shaft to rotate, so that the opening half shaft is in an opening state.
By adopting the technical scheme, the opening half shaft is abutted against the electromagnetic iron core of the electromagnet, and when the electromagnet is in a power-off state, the driving piece drives the connecting piece to displace along the direction away from the electromagnet, so that the electromagnetic iron core of the electromagnet retracts, and the opening half shaft is in a switching-on state; when the magnet is in an electrified state, the driving piece drives the connecting piece to displace along the direction close to the electromagnet, and the electromagnetic iron core of the electromagnet extends to drive the opening half shaft to rotate so as to enable the opening half shaft to be in an opening state; because the operating current required by the change of the power-on state and the power-off state of the electromagnet is smaller, the damage or damage to the electronic element is smaller, and the safety of the opening of the circuit breaker is improved.
Preferably, the switching-off half shaft is close to one end of the electromagnetic core of the electromagnet, an abutting transition arc surface is formed, and the end part of the electromagnetic core of the electromagnet abuts against the abutting transition arc surface.
Through adopting above-mentioned technical scheme, the electromagnetic core and the butt transition cambered surface looks butt of electro-magnet, the electromagnetic core extension back of electro-magnet, electromagnetic core removes and drives the separating brake semi-axis along the butt transition cambered surface and rotates, has improved driven convenience between electromagnetic core and the separating brake semi-axis.
Preferably, the connecting piece comprises a connecting push plate, the driving piece comprises a driving top plate, an articulated shaft is arranged on the fixing plate, and the articulated shaft penetrates through the connecting push plate and the driving top plate;
the connecting push plate is rotatably connected to the fixed plate, a buffering transition piece is arranged between the connecting push plate and the driving top plate, one end of the buffering transition piece abuts against the driving top plate, and the other end of the buffering transition piece abuts against the connecting push plate.
Through adopting above-mentioned technical scheme, after the drive roof rotates, the extrusion force is exerted to the buffering transition piece to the drive roof, the extrusion force is transmitted to connecting the push pedal and is makeed to connect the push pedal and rotate through the buffering transition piece, because connect the push pedal and the fixed stop nut who sets up of one end that the electro-magnet kept away from the separating brake semi-axis is connected, connect the push pedal and rotate the back along keeping away from the electro-magnet, drive stop nut along the direction displacement of keeping away from the separating brake semi-axis, make the separating brake semi-axis be in combined floodgate state, the stability of electro-magnet under the combined floodgate state has been improved.
Preferably, one end of the hinge shaft, which is far away from the fixing plate, is provided with a falling-off prevention piece.
Through adopting above-mentioned technical scheme, the condition that the anticreep piece set up and has reduced the connection push pedal and drop from the fixed plate takes place.
Preferably, the buffering transition piece comprises a buffering pressure spring, and two ends of the buffering pressure spring are respectively abutted against the side walls of the driving top plate and the connecting push plate.
Through adopting above-mentioned technical scheme, the buffering pressure spring is convenient for carry out buffering protection to drive roof and connection push pedal.
Preferably, one end of the driving top plate, which is close to the connecting push plate, is provided with an installation groove, an installation rod is arranged on the installation groove, and the buffering pressure spring is arranged on the installation rod in a penetrating manner;
the connection push plate is provided with an avoiding groove, one end of the installation rod, which is far away from the installation groove, is provided with a limiting pin, and the limiting pin is located in the avoiding groove.
By adopting the technical scheme, the installation stability of the buffering pressure spring is improved.
Preferably, one side of the connecting push plate, which is close to the limiting nut, is provided with an arc guide table board, and the limiting nut is abutted to the arc guide table board.
Through adopting above-mentioned technical scheme, the setting of circular arc guide mesa has improved the stability of stop nut on connecting the push pedal.
Preferably, one side of the limiting nut, which is close to the arc guide table top, is provided with a butting piece, and the butting piece butts against the arc guide table top.
Through adopting above-mentioned technical scheme, the setting of butt piece has further improved the stability of stop nut in connecting the push pedal.
In summary, the present application includes at least one of the following beneficial technical effects:
the opening half shaft is abutted against an electromagnetic iron core of the electromagnet, and when the electromagnet is in a power-off state, the driving piece drives the connecting piece to displace along the direction away from the electromagnet, so that the electromagnetic iron core of the electromagnet retracts, and the opening half shaft is in a closing state; when the magnet is in an electrified state, the driving piece drives the connecting piece to displace along the direction close to the electromagnet, and the electromagnetic iron core of the electromagnet extends to drive the opening half shaft to rotate so as to enable the opening half shaft to be in an opening state; the operation current required by the change of the power-on and power-off states of the electromagnet is small, so that the damage or damage to the electronic element is small, and the safety of the breaking of the circuit breaker is improved;
the buffering transition piece is set to be a buffering pressure spring, when the driving top plate rotates, the driving top plate applies extrusion force to the buffering pressure spring, the extrusion force is transmitted to the connecting push plate through the buffering pressure spring and enables the connecting push plate to rotate, because the connecting push plate is connected with a limiting nut fixedly arranged at one end of the electromagnet far away from the opening semi-axis, the connecting push plate rotates along the direction far away from the opening semi-axis, the limiting nut is driven to displace along the direction far away from the opening semi-axis, the opening semi-axis is enabled to be in a closing state, and the stability of the electromagnet in the closing state is improved.
Drawings
Fig. 1 is a schematic diagram mainly showing that a micro-energy tripping and opening operation mechanism for a circuit breaker controls an opening half shaft to be in a closing state in an embodiment of the application;
fig. 2 is a schematic diagram mainly showing that the micro-energy tripping and opening operation mechanism for the circuit breaker controls an opening half shaft to be in an opening state in the embodiment of the application;
fig. 3 is a schematic diagram of the micro-energy trip opening operation mechanism for the circuit breaker according to the present embodiment.
Reference numerals are as follows: 1. a brake-separating half shaft; 11. abutting against the transition cambered surface; 2. a fixing plate; 3. an electromagnet; 31. a housing; 32. an electromagnetic core; 33. Connecting a pressure spring; 4. a limit nut; 41. abutting the sheet; 5. connecting a push plate; 51. a circular arc guide table top; 52. an avoidance groove; 6. an installation area; 7. driving the top plate; 71. mounting grooves; 72. mounting a rod; 721. a spacing pin; 8. hinging a shaft; 81. an anti-drop sheet; 9. and buffering the pressure spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses micro-energy tripping and opening operation mechanism for a circuit breaker.
Referring to fig. 1, the micro-energy tripping and opening operation mechanism for the circuit breaker comprises an opening half shaft 1, and the opening state is changed by changing the rotation angle of the opening half shaft 1.
Referring to fig. 1 and 3, the trip and opening operation mechanism includes a fixed plate 2 and an electromagnet 3 mounted on the fixed plate 2, and the electromagnet 3 includes a housing 31, an electromagnet core 32, and a connection compression spring 33. One end of an electromagnetic iron core 32 of the electromagnet 3 is abutted to the opening half shaft 1, and one end, far away from the opening half shaft 1, of the electromagnetic iron core 32 of the electromagnet 3 is fixedly provided with a limit nut 4. The fixed plate 2 is provided with a connecting piece and a driving piece, and the connecting piece is detachably and fixedly connected with the limit nut 4.
Referring to fig. 1, if the electromagnet 3 is in a power-off state, the driving member drives the connecting member to displace in a direction away from the electromagnet 3, so that the electromagnet core 32 of the electromagnet 3 retracts, the connecting pressure spring 33 is in a compressed state, and the opening half shaft 1 is in a closing state.
Referring to fig. 2, if the electromagnet 3 is in an energized state, the driving member drives the connecting member to displace in a direction close to the electromagnet 3, the connecting pressure spring 33 is in an extended state, and the electromagnetic iron core 32 of the electromagnet 3 extends and drives the opening half shaft 1 to rotate, so that the opening half shaft 1 is in an opening state.
Referring to fig. 1 and 2, in order to improve the smoothness and stability of the abutment between the electromagnetic core 32 of the electromagnet 3 and the opening half shaft 1, an abutment transition arc surface 11 is formed at one end of the opening half shaft 1 close to the electromagnetic core 32 of the electromagnet 3, and the end of the electromagnetic core 32 of the electromagnet abuts against the abutment transition arc surface 11. When the electromagnetic core 32 extends, the end of the electromagnetic core 32 moves along the abutting transition surface, so that the opening half shaft 1 stably rotates for a certain angle.
Referring to fig. 3, in the embodiment of the present application, the connecting member is a connecting push plate 5, two connecting push plates 5 are provided, and a mounting area 6 is formed between the two connecting push plates 5. And arc guide table tops 51 are formed at one ends of the two connecting push plates 5 close to the electromagnets. One end of the electromagnetic iron core 32 far away from the opening half shaft 1 is located in the installation area 6, one end of the electromagnetic iron core 32 far away from the opening half shaft 1 is further fixed with a limiting nut 4, the limiting nut 4 is fixed with an abutting piece 41 on the end face close to the electromagnetic iron core 32, and the abutting piece 41 abuts on the side wall of the circular arc guide table board 51.
The driving piece adopts drive roof 7, and drive roof 7 rotates after receiving the inside drive arrangement drive that sets up in advance of circuit breaker, and drive arrangement's selection is based on the circuit breaker model, does not do the restriction here.
Be provided with articulated shaft 8 on fixed plate 2, articulated shaft 8 wears to establish connection push pedal 5 and drive roof 7, and the one end that fixed plate 2 was kept away from to articulated shaft 8 is provided with anticreep piece 81, reduces the condition emergence that connection push pedal 5 drops. The connecting push plate 5 is rotatably connected to the fixing plate 2 through a hinge shaft 8, and a buffering transition piece is arranged between the connecting push plate 5 and the driving top plate 7.
Continuing to refer to fig. 3, in order to improve the stability of buffering pressure spring 9 installation, in this embodiment of the application, buffering pressure spring 9 is adopted to the buffering transition piece, mounting groove 71 has been seted up to the one end that driver's roof 7 is close to connecting push pedal 5, the fixed installation pole 72 that is provided with on mounting groove 71, buffering pressure spring 9 wears to establish on installation pole 72, the one end of buffering pressure spring 9 supports the tank bottom at mounting groove 71 tightly, the other end of buffering pressure spring 9 supports tightly on the lateral wall of connecting push pedal 5. An avoiding groove 52 is formed in the connecting push plate 5, a limit pin 721 is installed at one end of the installation rod 72 far away from the installation groove 71, and the limit pin 721 is located in the avoiding groove 52.
In actual use, after the rotation of drive roof 7, the extrusion force is exerted to buffering pressure spring 9 to drive roof 7, the extrusion force transmits to connecting push pedal 5 and makes connecting push pedal 5 rotate through buffering pressure spring 9, because connecting push pedal 5 and electromagnet 3 and keeping away from the fixed stop nut 4 that sets up of one end of separating brake semi-axis 1 and being connected, connecting push pedal 5 along keeping away from electromagnet 3 and rotating the back, drive stop nut 4 along keeping away from the direction displacement of separating brake semi-axis 1, make separating brake semi-axis 1 be in combined floodgate state, at drive roof 7 pivoted in-process, spacer pin 721 removes in dodging the groove 52.
The implementation principle of the embodiment of the application is as follows: the opening half shaft 1 is abutted against the electromagnetic iron core 32 of the electromagnet 3, and when the electromagnet 3 is in a power-off state, the driving piece drives the connecting push plate 5 to displace along the direction away from the electromagnet 3, so that the electromagnetic iron core 32 of the electromagnet 3 retracts, and the opening half shaft 1 is in a closing state; when the electromagnet 3 is in an electrified state, the driving top plate 7 drives the connecting push plate 5 to displace along the direction close to the electromagnet 3, and the electromagnetic iron core 32 of the electromagnet 3 extends to drive the opening half shaft 1 to rotate, so that the opening half shaft 1 is in an opening state; because the operating current required by the change of the power-on state and the power-off state of the electromagnet 3 is smaller, the damage or damage to the electronic components is smaller, and the safety of the opening of the circuit breaker is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A micro-energy tripping and opening operation mechanism for a circuit breaker comprises an opening half shaft (1), and is characterized in that the tripping and opening operation mechanism comprises a fixed plate (2) and an electromagnet (3) arranged on the fixed plate (2);
one end of an electromagnetic iron core (32) of the electromagnet (3) is abutted against the opening half shaft (1), and one end, far away from the opening half shaft (1), of the electromagnetic iron core (32) of the electromagnet (3) is fixedly provided with a limiting nut (4);
the fixing plate (2) is provided with a connecting piece and a driving piece, and the connecting piece is detachably and fixedly connected with the limiting nut (4);
when the electromagnet is in a power-off state, the driving piece drives the connecting piece to displace along the direction far away from the electromagnet (3), so that an electromagnetic iron core (32) of the electromagnet (3) retracts, and the opening half shaft (1) is in a closing state;
the electromagnet (3) is in a power-on state, the driving piece drives the connecting piece to displace in the direction close to the electromagnet (3), and an electromagnetic iron core (32) of the electromagnet (3) extends to drive the opening half shaft (1) to rotate so that the opening half shaft (1) is in an opening state.
2. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 1, characterized in that: the opening half shaft (1) is close to one end of an electromagnetic iron core (32) of the electromagnet (3) is formed into a butt transition arc surface (11), and the end portion of the electromagnetic iron core (32) of the electromagnet (3) is in butt joint with the butt transition arc surface (11).
3. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 1, characterized in that: the connecting piece comprises a connecting push plate (5), the driving piece comprises a driving top plate (7), an articulated shaft (8) is arranged on the fixed plate (2), and the articulated shaft (8) penetrates through the connecting push plate (5) and the driving top plate (7);
the connection push plate (5) is rotatably connected to the fixed plate (2), a buffer transition piece is arranged between the connection push plate (5) and the driving top plate (7), one end of the buffer transition piece is tightly abutted to the driving top plate (7), and the other end of the buffer transition piece is tightly abutted to the connection push plate (5).
4. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 3, characterized in that: and one end of the articulated shaft (8) far away from the fixed plate (2) is provided with an anti-falling sheet (81).
5. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 3, characterized in that: the buffer transition piece comprises a buffer compression spring (9), and two ends of the buffer compression spring (9) are respectively abutted against the side walls of the driving top plate (7) and the connecting push plate (5).
6. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 5, characterized in that: one end, close to the connecting push plate (5), of the driving top plate (7) is provided with an installation groove (71), an installation rod (72) is arranged on the installation groove (71), and the buffering compression spring (9) penetrates through the installation rod (72);
connect push pedal (5) and go up to set up and dodge groove (52), installation pole (72) are kept away from the one end of mounting groove (71) is provided with spacer pin (721), spacer pin (721) are located dodge in groove (52).
7. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 3, characterized in that: one side of the connecting push plate (5) close to the limiting nut (4) is provided with an arc guide table board (51), and the limiting nut (4) is abutted against the arc guide table board (51).
8. The micro-energy tripping and opening operation mechanism for the circuit breaker according to claim 7, characterized in that: one side, close to the arc guide table board (51), of the limiting nut (4) is provided with a contact piece (41), and the contact piece (41) is in contact with the arc guide table board (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220403239.3U CN217086500U (en) | 2022-02-25 | 2022-02-25 | Micro-energy tripping and opening operation mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220403239.3U CN217086500U (en) | 2022-02-25 | 2022-02-25 | Micro-energy tripping and opening operation mechanism for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217086500U true CN217086500U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220403239.3U Active CN217086500U (en) | 2022-02-25 | 2022-02-25 | Micro-energy tripping and opening operation mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217086500U (en) |
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2022
- 2022-02-25 CN CN202220403239.3U patent/CN217086500U/en active Active
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Address after: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee after: Shanghai Anyiji Enterprise Development Co.,Ltd. Address before: 201400 east 2, 123 Lane 1, Ring Road East, Fengxian District, Shanghai. Patentee before: AEG ENTERPEISE DEVELOPMENT (SHANGHAI) CO.,LTD. |