CN109285736B - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN109285736B CN109285736B CN201811117180.6A CN201811117180A CN109285736B CN 109285736 B CN109285736 B CN 109285736B CN 201811117180 A CN201811117180 A CN 201811117180A CN 109285736 B CN109285736 B CN 109285736B
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- CN
- China
- Prior art keywords
- energy storage
- gear
- guide
- storage gear
- tank
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
Landscapes
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a circuit breaker, which comprises a shell, a motor, a driving gear, a driven gear, an energy storage gear, an elastic piece, a control circuit and a driving handle, wherein the motor is arranged on the shell; the shell is provided with a trigger bulge, the control circuit is electrically connected with the motor, an output shaft of the motor is connected with the driving gear, the driving gear is meshed with the driven gear, the driven gear is meshed with the energy storage gear, and the energy storage gear is connected with the driving handle; the energy storage gear is provided with a placing groove, one end of the placing groove is provided with a moving hole, the moving hole is a through hole, and the other end of the placing groove is provided with a stop surface; the elastic body is arranged in the placing groove, the triggering protrusion on the shell is fixedly connected with one end of the elastic piece, and the other end of the elastic piece is fixedly connected with the stopping surface; when the switch is switched on, the control circuit drives the motor to drive the energy storage gear to rotate reversely, and the elastic piece releases energy under the action of the trigger bulge. The invention reduces the cost.
Description
Technical Field
The present disclosure relates to circuit breakers, and particularly to a circuit breaker with an energy storage mechanism.
Background
With the development of smart power grids, the demand of external energy storage circuit breakers (circuit breakers for short) of electric energy meters is continuously increasing. The existing energy storage circuit breaker comprises a control circuit, a motor, a transmission gear and a closing rotating shaft.
In the existing switching-on process of the energy storage circuit breaker, a control circuit sends an instruction to a motor to enable the motor to rotate from an initial position to a switching-on position and to be in a heavy-load running state; when the switching-on is completed, the control circuit sends an instruction to the motor, so that the motor is in the operating condition of no load or light load in the process of returning to the middle position (the specific position between the switching-on position and the initial position). When the existing energy storage circuit breaker is designed, the motor model and the motor driving circuit matched with the motor model are selected under the heavy load condition, and the motor returns to the middle position and is in an idle state, so that the design allowance is seriously wasted.
Disclosure of Invention
The invention aims to provide a circuit breaker with an energy storage mechanism, which saves energy and reduces cost.
In order to solve the problems in the prior art, the invention provides a circuit breaker, which comprises a shell, a motor, a driving gear, a driven gear, an energy storage gear, an elastic part, a control circuit and a driving handle, wherein the driving gear is arranged on the shell; the shell is provided with a trigger bulge, the control circuit is electrically connected with the motor, an output shaft of the motor is connected with the driving gear, the driving gear is meshed with the driven gear, the driven gear is meshed with the energy storage gear, and the energy storage gear is connected with the driving handle;
the energy storage gear is provided with a placing groove, one end of the placing groove is provided with a moving hole, the moving hole is a through hole, and the other end of the placing groove is provided with a stop surface; the elastic body is arranged in the placing groove, the triggering protrusion on the shell is fixedly connected with one end of the elastic piece, and the other end of the elastic piece is fixedly connected with the stopping surface;
during opening, the control circuit driving motor drives the energy storage gear to rotate, the elastic piece stores energy under the action of the trigger protrusion, and during closing, the control circuit driving motor drives the energy storage gear to rotate reversely, and the elastic piece releases energy under the action of the trigger protrusion.
Preferably, the placing groove is arranged inside the energy storage gear.
Preferably, the placing groove further comprises a moving groove and a first guide groove, the moving groove and the first guide groove are exposed in the air of the first side wall of the energy storage gear, and the moving groove and the first guide groove are arranged inside the energy storage gear.
Preferably, the placing groove further includes a second guiding groove and a third guiding groove, the second guiding groove and the third guiding groove are exposed in the air of the second side wall of the energy storage gear, the placing groove from the end of the action groove to the beginning end of the second guiding groove is arranged inside the energy storage gear, the placing groove from the end of the second guiding groove to the beginning end of the first guiding groove is arranged inside the energy storage gear, the placing groove from the end of the first guiding groove to the beginning end of the third guiding groove is arranged inside the energy storage gear, and the end of the third guiding groove is a stopping surface.
Preferably, the energy storage gear further comprises a limiting hole, the driving handle comprises a guide rod, the guide rod comprises a limiting protrusion, and the limiting protrusion is connected with the limiting hole.
Preferably, the guide rod further comprises a guide protrusion, the driving handle further comprises a closing rotating shaft, the closing rotating shaft comprises an inner shaft and a cantilever, the inner shaft is connected with the cantilever, and the cantilever is connected with the guide protrusion and used for being matched with the guide protrusion of the guide rod for transmission.
The energy storage gear of the circuit breaker is an energy storage mechanism, and can realize the effect of pre-storing energy in the process that the motor returns to the middle position and releasing energy in the process that the motor goes to the switching-on position, thereby reducing the specifications of the motor and a driving circuit thereof and lowering the cost.
Drawings
Fig. 1 is a schematic axial view of a circuit breaker according to the present invention;
fig. 2 is a schematic diagram of a switching-on position and a switching-on state of a main view structure of a circuit breaker according to the present invention;
fig. 3 is a schematic diagram of a closing state at a middle position of a main view structure of the circuit breaker according to the present invention;
fig. 4 is a schematic diagram of a circuit breaker in a middle position of a front view structure and in a manual opening state according to the present invention;
fig. 5 is a schematic diagram of an initial position of a main view structure and an automatic opening state of the circuit breaker according to the present invention;
fig. 6 is a schematic front view of an energy storage mechanism of a circuit breaker according to the present invention;
fig. 7 is a bottom view of an energy storage mechanism of a circuit breaker according to the present invention;
fig. 8 is a schematic diagram of an energy releasing structure of the energy storing mechanism in the closing position of the circuit breaker according to the present invention;
fig. 9 is a schematic diagram of an energy storage structure of an energy storage mechanism in an intermediate position and an initial position of the circuit breaker according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-9, the device comprises a housing 1, a closing rotating shaft 2, a limiting guide rod 3, a motor 4, an energy storage gear 5, an elastic part 6, a transmission gear 7, a transmission gear 8 and a control circuit 9;
the shell 1 is provided with a motor groove 10, a first guide rail 11, a second guide rail 12 and a trigger bulge 13;
a motor slot 10 for mounting the motor 4;
the first guide rail 11 is used for installing the limiting guide rod 3;
a second guide rail 12 for mounting a guide projection 31;
a trigger protrusion 13 for stopping one end of the elastic member 6 to perform compression and release functions;
the closing rotating shaft 2 comprises an inner shaft 20 and a cantilever 21. And the inner shaft 20 is used for driving the breaker to perform partial switching-on and switching-off operations.
The guide rod 3 comprises a guide protrusion 31 and a limit protrusion 32.
The cantilever 21 is used for cooperating with the guide projection 31 of the guide rod 3 for transmission, so as to drive the inner shaft 20 to rotate; the limiting protrusion 32 of the guide rod 3 is used for cooperating with the limiting hole 50 on the energy storage gear 5.
The energy storage gear is provided with a limiting hole 50, an action hole 51, an action groove 52, a first fixing hole 53, a first guide groove 54, a second fixing hole 55, a second guide groove 56, a third guide groove 57 and a stop surface 58; the action hole 51 is used for hanging the elastic piece 6 to the trigger bulge 13 to reserve a space for operation; the action groove 52 is used for triggering the protrusion 13 to compress and release the action space reserved by the elastic element 6; the first hole 53 and the second hole 55 are used for installing the elastic member 6 into the energy storage gear 5; the first guide groove 54, the second guide groove 56 and the third guide groove 57 are used for installing the elastic element 6 into the energy storage gear 5, and have guiding and limiting functions, and the stop surface 58 of the energy storage gear 5 acts on the other end of the elastic element 6. The teeth 59 of the energy storage gear 5 are used for cooperating with the transmission mechanism 7 to realize transmission. It should be noted that the number of the guide grooves in the embodiment of the present invention may be more or less, and may be set according to practical applications, and is not limited to the first guide groove, the second guide groove, and the third guide groove described above.
During specific implementation, when the circuit breaker needs to be switched on, the control circuit 9 controls the motor 4 to rotate along a switching-on direction from an initial position, drives the transmission gear 7 and the transmission gear 8 to rotate, acts on the limiting guide rod 3, and further acts on the switching-on rotating shaft 2. When the circuit breaker reaches the closing position, the control circuit 9 controls the motor 4 to stop rotating. In the process of completing switching on, the energy storage gear 5 rotates in the positive direction and is matched with the trigger bulge 13 on the shell, so that the elastic piece 6 releases energy, and the load pressure of the motor 4 is reduced.
As shown in fig. 3-4, after the closing operation is completed, the control circuit 9 controls the motor 4 to rotate in the opposite direction of closing, so as to drive the transmission gears 7 and 8 and the energy storage gear 5 to rotate until reaching the intermediate position and then stop rotating. In the process, the energy storage gear 5 rotates reversely to be matched with the triggering protrusion 13 on the shell, so that the elastic piece 6 stores certain energy.
As shown in fig. 5, when the circuit breaker needs to be opened, the control circuit 9 controls the motor 4 to further rotate from the middle position in the opposite direction of closing, and drives the transmission gears 7 and 8 and the energy storage gear 5 to rotate until the circuit breaker reaches the initial position and then stops rotating. In the process, the energy storage gear 5 rotates reversely and is matched with the trigger bulge 13 on the shell 1, so that the elastic piece 6 further stores energy, and the pre-energy storage operation is completed for the next automatic reclosing. When the breaker is at the initial position, the breaker can not be manually switched on or switched off.
After the breaker is closed, in the process that the driving mechanism rotates in the opposite direction of closing, the energy storage mechanism and the transmission mechanism return to the middle position, and energy is stored by using the compression elastic piece 6; when the switch needs to be switched on, the elastic part 6 releases energy and provides switch-on kinetic energy by matching with a driving mechanism.
The energy storage device (energy storage gear) also belongs to a transmission mechanism, and the position of the energy storage device is not limited to the last transmission position; in addition, the elastic element can be a compression spring or a tension spring.
The circuit breaker is provided with the energy storage gear, the energy storage gear is provided with the placing groove of the elastic piece, and therefore space for storing energy and releasing energy is provided for the elastic piece; in addition, the placing groove can be arranged inside the energy storage gear, so that the elastic piece is prevented from falling off in the moving process; in addition, the placing grooves can be exposed in the air at intervals, so that the maintenance of the elastic piece is facilitated, when the elastic piece is exposed on the single face of the energy storage gear alternately, one side of the energy storage gear is exposed in the air in certain guide grooves, and the other side of the energy storage gear is exposed in the air in certain guide grooves, so that the strength of the energy storage gear is ensured, and the maintenance of the elastic piece and the machining of the placing grooves are facilitated.
In addition, it should be noted that the energy storage gear also belongs to a transmission gear, and the position of the energy storage gear is not limited to the last transmission position.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A circuit breaker is characterized by comprising a shell, a motor, a driving gear, a driven gear, an energy storage gear, an elastic piece, a control circuit and a driving handle; the shell is provided with a trigger bulge, the control circuit is electrically connected with the motor, an output shaft of the motor is connected with the driving gear, the driving gear is meshed with the driven gear, the driven gear is meshed with the energy storage gear, and the energy storage gear is connected with the driving handle;
the energy storage gear is provided with a placing groove, one end of the placing groove is provided with a moving hole, the moving hole is a through hole, and the other end of the placing groove is provided with a stop surface; the elastic piece is arranged in the placing groove, the trigger bulge on the shell is fixedly connected with one end of the elastic piece, and the other end of the elastic piece is fixedly connected with the stop surface;
during opening, the control circuit driving motor drives the energy storage gear to rotate, the elastic piece stores energy under the action of the trigger protrusion, and during closing, the control circuit driving motor drives the energy storage gear to rotate reversely, and the elastic piece releases energy under the action of the trigger protrusion.
2. The circuit breaker of claim 1, wherein the placement slot is disposed inside the energy storage gear.
3. The circuit breaker of claim 2, wherein the placement tank further comprises a travel tank and a first guide tank, the travel tank and the first guide tank being exposed to air in the first sidewall of the energy storage gear, the placement tank being disposed inside the energy storage gear between the travel tank and the first guide tank.
4. The circuit breaker according to claim 2, wherein the placement tank further comprises a second guide groove and a third guide groove exposed in the air of the second side wall of the power storage gear, the placement tank from the end of the traveling tank to the beginning of the second guide groove is disposed inside the power storage gear, the placement tank from the end of the second guide groove to the beginning of the first guide groove is disposed inside the power storage gear, the placement tank from the end of the first guide groove to the beginning of the third guide groove is disposed inside the power storage gear, and the end of the third guide groove is a stopper surface.
5. The circuit breaker of claim 1, wherein the energy storage gear further comprises a limiting hole, the driving handle comprises a guide rod, the guide rod comprises a limiting protrusion, and the limiting protrusion is connected with the limiting hole.
6. The circuit breaker of claim 5, wherein the guide bar further comprises a guide protrusion, the driving handle further comprises a closing rotating shaft, the closing rotating shaft comprises an inner shaft and a cantilever, the inner shaft is connected with the cantilever, and the cantilever is connected with the guide protrusion for cooperating with the guide protrusion of the guide bar for transmission.
7. The circuit breaker of claim 1, wherein the elastic member is a compression spring, a tension spring, or a reed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117180.6A CN109285736B (en) | 2018-09-25 | 2018-09-25 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117180.6A CN109285736B (en) | 2018-09-25 | 2018-09-25 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109285736A CN109285736A (en) | 2019-01-29 |
| CN109285736B true CN109285736B (en) | 2020-04-03 |
Family
ID=65181331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811117180.6A Active CN109285736B (en) | 2018-09-25 | 2018-09-25 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109285736B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622884A (en) * | 2017-11-07 | 2018-01-23 | 遵义市产品质量检验检测院 | A kind of bidirectional clutch for twin-power switch |
| CN207818500U (en) * | 2018-02-05 | 2018-09-04 | 兰立民 | Electronic close/open machine for breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3500587A1 (en) * | 1985-01-10 | 1986-07-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Drive for switching an automatic switch on and off by remote control |
| CN205789820U (en) * | 2016-05-09 | 2016-12-07 | 浙江正泰电器股份有限公司 | Automatically the driving means of divide-shut brake chopper |
| CN206040574U (en) * | 2016-08-31 | 2017-03-22 | 无锡凯绎科技有限公司 | Energy storage formula electricity programme -controlled system of moral conduct and antioverloading clutch |
| CN206595217U (en) * | 2017-03-03 | 2017-10-27 | 深圳曼顿科技有限公司 | Novel hand is from integrative control low-voltage circuit breaker |
-
2018
- 2018-09-25 CN CN201811117180.6A patent/CN109285736B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622884A (en) * | 2017-11-07 | 2018-01-23 | 遵义市产品质量检验检测院 | A kind of bidirectional clutch for twin-power switch |
| CN207818500U (en) * | 2018-02-05 | 2018-09-04 | 兰立民 | Electronic close/open machine for breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109285736A (en) | 2019-01-29 |
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