CN114496671B - A control device for opening and closing a miniature circuit breaker and a working method thereof - Google Patents
A control device for opening and closing a miniature circuit breaker and a working method thereof Download PDFInfo
- Publication number
- CN114496671B CN114496671B CN202210124648.4A CN202210124648A CN114496671B CN 114496671 B CN114496671 B CN 114496671B CN 202210124648 A CN202210124648 A CN 202210124648A CN 114496671 B CN114496671 B CN 114496671B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- arc
- rack
- opening
- closing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
Landscapes
- Breakers (AREA)
Abstract
本发明提供了一种使微型断路器分合闸的控制装置及其工作方法。该装置包括，可卡装在断路器上的壳体，所述壳体内设有导向杆，所述导向杆上滑动连接有齿条，所述齿条与换向齿啮合，所述换向齿与弧形把手啮合，所述弧形把手上设有与断路器开关匹配的拨动齿；在手动控制下，所述换向齿与齿条脱离，弧形把手在手动控制下实现断路器的分合闸操作；在电动控制下，所述换向齿与齿条啮合，弧形把手在换向齿的带动下实现断路器的分合闸操作。
The present invention provides a control device for opening and closing a miniature circuit breaker and a working method thereof. The device comprises a housing that can be mounted on the circuit breaker, a guide rod is arranged in the housing, a rack is slidably connected to the guide rod, the rack is meshed with a reversing tooth, the reversing tooth is meshed with an arc handle, and the arc handle is provided with a toggle tooth matching the circuit breaker switch; under manual control, the reversing tooth is disengaged from the rack, and the arc handle realizes the opening and closing operation of the circuit breaker under manual control; under electric control, the reversing tooth is meshed with the rack, and the arc handle realizes the opening and closing operation of the circuit breaker driven by the reversing tooth.
Description
Technical Field
The invention belongs to the field of circuit breakers, and particularly relates to a control device for switching on and off a miniature circuit breaker and a working method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Along with the gradual innovation of production technology and the large-scale application of energy-saving and environment-friendly technology, the demands of various industries on intelligent energy-saving technology are increasingly increased, the timing breaking, closing or instant control of a circuit breaker is particularly necessary, normal operation of equipment can be restored only by manually closing the circuit breaker in view of tripping and breaking of the traditional circuit breaker, and in addition, the types and the number of the equipment are too many, so that misoperation is extremely easy to cause due to manual operation, certain influence is brought to production and life, and intelligent control is urgent.
The existing power supply system mainly adopts three types of contactor control, intelligent air-break control and externally attached module control for line control, wherein the first type adopts a contactor control mode to realize only power-off operation and cannot realize re-power-on operation; the second mode adopts an intelligent idle control mode, all the formed circuit boards need to be replaced, the construction difficulty is high, and the construction period is long; and when the third type of the external module structure is adopted, the manual or speed reducer is mainly used for driving the module handle to act, so that the breaker switch handle is driven to act, the breaking and closing actions of the breaker are realized, and the external module is divided into a side-mounted type and an upper-mounted type. The side-mounted type breaker mainly drives the breaker handle to circularly move by means of rotation of the meshing gears, automatic breaking and closing of the breaker are achieved, the mounting mode can increase the interval between the breaker periods, all the molded circuit boards need to be replaced, the construction difficulty is high, and the construction period is long. The upper assembly type mainly relies on the speed reducer to drive the linear motion of the driving handle, so that the rotation control of the breaker handle is realized, and therefore, the automatic breaking and closing of the breaker are realized.
Disclosure of Invention
In order to solve the problems, the invention provides a control device for switching on and off a miniature circuit breaker and a working method thereof, and the control device solves the problems of low automatic reclosing efficiency, poor positioning precision, large influence on stability of components and the like caused by a speed reducer driven by a speed reducer screw, optimizes a stress point of a driving handle, reduces thrust, and reduces the load of a module.
According to some embodiments, the present invention employs the following technical solutions:
in a first aspect, the present invention provides a control device for opening and closing a miniature circuit breaker.
A control device for opening and closing a miniature circuit breaker, comprising: the shell is clamped on the circuit breaker, a guide rod is arranged in the shell, a rack is connected to the guide rod in a sliding manner, the rack is meshed with reversing teeth, the reversing teeth are meshed with an arc-shaped handle, and a poking tooth matched with a switch of the circuit breaker is arranged on the arc-shaped handle;
under manual control, the reversing teeth are separated from the racks, and the arc-shaped handles realize opening and closing operations of the circuit breaker under manual control;
under the electric control, the reversing teeth are meshed with the racks, and the arc-shaped handles are driven by the reversing teeth to realize the switching-on and switching-off operation of the circuit breaker.
In a second aspect, the invention provides a working method of a control device for switching on and off a miniature circuit breaker
An operating method of a control device for switching on and off a miniature circuit breaker, adopting the control device for switching on and off a miniature circuit breaker according to the first aspect, comprises the following steps:
under manual control, the reversing teeth are separated from the racks, and the arc-shaped handles realize the switching-on and switching-off operation of the circuit breaker under manual control;
Under the electric control, the reversing tooth is meshed with the rack, and the arc-shaped handle is driven by the reversing tooth to realize the switching-on and switching-off operation of the circuit breaker.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the reciprocating motion of the rack is converted into rotary motion again through the steering teeth, so that the effects of reducing the module volume, changing the motion state and increasing the torque are realized, the arc-shaped handle is used for realizing the same-angle rotation with the breaker handle, the action torque is reduced, the load of the motor is reduced, and the operation efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a block diagram of a control device for switching on and off a miniature circuit breaker under manual control, which is shown in the present invention;
Fig. 2 is a block diagram of a control device for opening and closing a miniature circuit breaker under manual control according to the present invention;
fig. 3 is a block diagram of a circuit breaker of a control device for opening and closing a miniature circuit breaker under electric control according to the present invention;
Fig. 4 is a block diagram of a control device opening and closing a miniature circuit breaker under electric control according to the present invention;
FIG. 5 is a block diagram of an arcuate handle according to the present invention;
FIG. 6 is a circuit diagram illustrating the present invention;
The device comprises a motor 1, a motor 2, a gear pair 3, racks 4, a first reset spring 5, arc-shaped grooves 6, reversing teeth 7, a second reset spring 8, a third reset spring 9, a guide rod 10, a shell 11, arc-shaped handles 12 and a circuit breaker.
Detailed Description
The invention will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present invention, terms such as "upper", "lower", and the like, refer to an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely relational terms, which are merely provided for convenience in describing the structural relationships of the respective components or elements of the present invention, and do not denote any one of the components or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "coupled" and the like are to be construed broadly and mean either fixedly coupled or integrally coupled or detachably coupled; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present invention can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present invention.
Example 1
The embodiment provides a control device for switching on and off a miniature circuit breaker.
As shown in fig. 1 to 4, a control device for opening and closing a miniature circuit breaker includes: the circuit breaker comprises a shell 10 which can be clamped on a circuit breaker 12, wherein a guide rod 9 is arranged in the shell 10, a rack 3 is connected to the guide rod 9 in a sliding manner, the rack 3 is meshed with a reversing tooth 6, the reversing tooth 6 is meshed with an arc-shaped handle 11, and a poking tooth matched with a circuit breaker switch is arranged on the arc-shaped handle 11;
Under manual control, the reversing tooth 6 is separated from the rack 3, and the arc handle 11 realizes the switching-on and switching-off operation of the breaker 12 under manual control;
under the electric control, the reversing tooth 6 is meshed with the rack 3, and the arc-shaped handle 11 is driven by the reversing tooth 6 to realize the opening and closing operation of the circuit breaker 12.
Wherein the guide bar 9 is used for guiding the rack 3.
As shown in fig. 5, the arc handle 11 includes two poking teeth and a half gear, the external teeth on the half gear are meshed with the reversing teeth 6, a set distance is set between the two poking teeth, and when in use, the circuit breaker switch is always located between the two poking teeth.
As one or more embodiments, an electric motor is provided in the housing 10, and the electric motor is connected to the gear pair 2 through a worm gear.
As one or more embodiments, the gear pair 2 meshes with a rack 3. The rack 3 is provided at the top of the housing 10.
As one or more embodiments, a toothless portion is provided on the rack 3 at a set distance. When the rack 3 is separated from the steering teeth, the conversion teeth are positioned on the toothless part of the rack 3; when the rack 3 is engaged with the steering teeth, the switching teeth are located at the toothed portion of the rack 3. The reversing tooth 6 is arranged in the middle of the rack 3 and the arc-shaped handle 11, and meanwhile, the reversing tooth 6 is meshed with the rack 3 and the arc-shaped handle 11, so that the horizontal movement of the rack 3 is converted into rotary movement, the rotary movement of the arc-shaped handle 11 is driven, the length of the rack 3 can be reduced, and the module size is reduced.
As one or more embodiments, the arc-shaped handle 11 is slidably disposed in the arc-shaped groove 5. The rotation center axis of the arc handle 11 is concentric with the rotation center axis of the breaker switch. It should be noted that, the arc-shaped slot 5 is provided to realize the coaxial movement of the arc-shaped handle 11 and the breaker switch, but is not limited to the arc-shaped slot, and any scheme capable of realizing the coaxial movement of the arc-shaped handle 11 and the breaker switch falls into the scope of protection of the present embodiment.
As one or more embodiments, the arc handle 11 is disposed above the breaker switch, and the arc handle 11 may drive the breaker switch to rotate to implement the opening and closing operation of the breaker 12.
As one or more embodiments, a first return spring 4 is further disposed in the housing 10, and the first return spring 4 is disposed at a closing position of the arc handle 11. Specifically, the first reset spring 4 is arranged at the closing position of the arc-shaped handle 11, the first reset spring 4 is pressed after the arc-shaped handle 11 is closed, and the first reset spring 4 can enable the arc-shaped handle 11 to have reverse pretightening force so as to enable the arc-shaped handle 11 to be pretightened with the reversing tooth 6.
As one or more embodiments, a second return spring 7 is further disposed in the housing 10, and the second return spring 7 is disposed at the opening position of the arc handle 11. The second reset spring 7 is positioned below the opening position of the arc-shaped handle 11, the arc-shaped handle 11 presses the second reset spring 7 after opening, and the second reset spring 7 can enable the arc-shaped handle 11 to have reverse pretightening force so as to be in pretightening with the reversing tooth 6.
As one or more embodiments, both ends of the guide rod 9 are provided with a third return spring 8. The third return springs 8 are arranged at two ends of the rack 3, and can enable the rack 3 and the reversing teeth 6 to be in a pre-contact state after being separated, so that the rack is meshed quickly when the reversing teeth move reversely.
As shown in fig. 6, a position sensor 1, a position sensor 2, a position sensor 3 and a position sensor 4 are disposed in the object, the position sensor 1 and the position sensor 2 are both located on the rack 3, the position sensor 3 is disposed at the closing position of the arc handle 11, the position sensor 4 is disposed at the opening position of the arc handle 11, the position sensor 1, the position sensor 2, the position sensor 3 and the position sensor 4 are all connected with the micro control unit and the motor, and the micro control unit is connected with the motor.
The control logic of this embodiment: firstly, the position sensor 3 and the position sensor 4 sense the position of the arc-shaped handle 11, the open-close state is displayed in the background, if electric control is needed, the positions of the position sensor 1 and the position sensor 2 are judged through a Micro Control Unit (MCU), the rack 3 is determined to directly control the open-close state or to be reversed to the control position first and then the open-close state is carried out, if the arc-shaped handle 11 is abnormal in stopping state, the arc-shaped handle 11 is not detected by the position sensor 3 and the position sensor 4, or the situation that the matching degree of the arc-shaped handle 11 is improper due to different sizes of the circuit breaker is detected, and meanwhile, whether the moment feedback state is normal serves as a judging basis for motor operation or not is finally determined, so that whether the motor can operate normally or not.
According to the invention, the position sensor is arranged, when the breaker switch reaches a set position, the arc handle 11 is in contact with the return switch, the motor 1 stops rotating, the steering teeth are separated from the arc handle 11, and the manual control of switching-on and switching-off of the arc handle 11 and the breaker switch can be realized.
Example two
The embodiment provides a working method of a control device for switching on and off a miniature circuit breaker
The working method of the control device for switching on and off the miniature circuit breaker adopts the control device for switching on and off the miniature circuit breaker according to the first embodiment, and comprises the following steps:
under manual control, the reversing tooth 6 is separated from the rack 3, and the arc handle 11 realizes the switching-on and switching-off operation of the breaker 12 under manual control;
Under the electric control, the reversing tooth 6 is meshed with the rack 3, and the arc-shaped handle 11 is driven by the reversing tooth 6 to realize the switching-on and switching-off operation of the circuit breaker 12.
As shown in fig. 1 and 2 (the first return spring 4 and the second return spring 7 are not shown in fig. 1 and 2), the manual operation is performed: in a normal state, the reversing tooth 6 and the rack 3 are in a separation state, and the arc-shaped handle 11 is manually pushed, so that the opening and closing operation of the circuit breaker 12 can be realized.
As shown in fig. 3 and 4 (the first return spring 4, the second return spring 7 and the third spring are not shown in fig. 3 and 4), the electric operation is that: during normal state, the reversing tooth 6 and the rack 3 are in a separation state, the motor 1 rotates to drive the gear pair 2 to rotate, the gear pair 2 drives the rack 3 to horizontally move downwards, the reversing tooth 6 and the rack 3 enter into a meshing state, and the reversing tooth 6 drives the arc handle 11 to move, so that the opening and closing operation of the circuit breaker 12 is realized. If the rack 3 is located at one end of the transmission rod (here, may refer to a position above the motor 1 corresponding to the transmission rod), the rack 3 is first driven to the other end of the transmission rod by the rotation of the motor 1 and the gear pair 2, and then the above opening and closing operation is performed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124648.4A CN114496671B (en) | 2022-02-10 | 2022-02-10 | A control device for opening and closing a miniature circuit breaker and a working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124648.4A CN114496671B (en) | 2022-02-10 | 2022-02-10 | A control device for opening and closing a miniature circuit breaker and a working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114496671A CN114496671A (en) | 2022-05-13 |
| CN114496671B true CN114496671B (en) | 2024-09-13 |
Family
ID=81477846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210124648.4A Active CN114496671B (en) | 2022-02-10 | 2022-02-10 | A control device for opening and closing a miniature circuit breaker and a working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114496671B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741978A (en) * | 2019-03-04 | 2019-05-10 | 珠海优特电力科技股份有限公司 | It is remotely controlled micro- disconnected control device and switch block |
| CN110896017A (en) * | 2019-11-29 | 2020-03-20 | 广东欧文特电气有限公司 | Operating mechanism of miniature circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203134687U (en) * | 2013-03-12 | 2013-08-14 | 许继（厦门）智能电力设备股份有限公司 | Hand-operated energy storage mechanism |
| CN209000855U (en) * | 2018-12-29 | 2019-06-18 | 山东省产品质量检验研究院 | A mechanical operating device suitable for leakage circuit breakers |
| CN110137003B (en) * | 2019-05-28 | 2024-05-31 | 乐清东海电器有限公司 | Operating mechanism of automatic change-over switch |
| CN211605059U (en) * | 2020-04-02 | 2020-09-29 | 国网天津市电力公司电力科学研究院 | Air switch with counting function |
-
2022
- 2022-02-10 CN CN202210124648.4A patent/CN114496671B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741978A (en) * | 2019-03-04 | 2019-05-10 | 珠海优特电力科技股份有限公司 | It is remotely controlled micro- disconnected control device and switch block |
| CN110896017A (en) * | 2019-11-29 | 2020-03-20 | 广东欧文特电气有限公司 | Operating mechanism of miniature circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114496671A (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114496671B (en) | A control device for opening and closing a miniature circuit breaker and a working method thereof | |
| US7299712B2 (en) | Energy storage disconnecting switch | |
| CN216597399U (en) | Longitudinal rotary vacuum circuit breaker | |
| CN111564344B (en) | Molded case circuit breaker electric operating mechanism | |
| CN108493060B (en) | Operating mechanism of switch | |
| CN110010385A (en) | The transmission mechanism of auxiliary switch | |
| CN216562830U (en) | Gear rack transmission mechanism of dual-power automatic transfer switch | |
| CN101404219A (en) | Three-station electric operation mechanism | |
| CN103367061B (en) | A kind of remote control operation mechanism of miniature circuit breaker | |
| CN209526014U (en) | The transmission mechanism of auxiliary switch | |
| CN216849825U (en) | Tripping reset structure for bypass switch | |
| CN214848436U (en) | Transmission assembly and circuit breaker | |
| CN212113604U (en) | Control driving mechanism applied to self-recovery type over-voltage and under-voltage protection circuit breaker | |
| CN211404425U (en) | Electric operating mechanism of miniature circuit breaker | |
| CN115346843A (en) | Switching-on and switching-off mechanism of circuit breaker and circuit breaker | |
| CN215266119U (en) | Circuit breaker | |
| CN216818248U (en) | Intelligent control device of circuit breaker | |
| CN215834492U (en) | Automatic reclosing circuit breaker | |
| CN215527648U (en) | Circuit breaker | |
| CN211604958U (en) | Double-power-supply change-over switch | |
| CN217114157U (en) | Spring energy storage driving mechanism of dual-power transfer switch | |
| CN221899907U (en) | A switch operating mechanism and switch device | |
| CN211604948U (en) | Circuit breaker and electric operating mechanism thereof | |
| CN222088507U (en) | Electric operating mechanism and circuit breaker | |
| CN222355027U (en) | Drives for disconnect switches |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |