CN201946497U - Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch - Google Patents
Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch Download PDFInfo
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- CN201946497U CN201946497U CN2010206579053U CN201020657905U CN201946497U CN 201946497 U CN201946497 U CN 201946497U CN 2010206579053 U CN2010206579053 U CN 2010206579053U CN 201020657905 U CN201020657905 U CN 201020657905U CN 201946497 U CN201946497 U CN 201946497U
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Abstract
The utility model discloses a self-adaptive controller of a mono-stable permanent magnet mechanism of a vacuum switch. A power supply conversion module converts input an alternating current or a direct current into a 12V direct current to provide the power supply of a system; a capacitor charging/discharging management module controls excited capacitance and voltage according to an instruction of a processor; a permanent magnet drive circuit module drives a coil to implement the corresponding motion according to the switch-off/on instruction of the processor; a switch state monitoring module is used for judging the state and the position of a switch and providing the motion feedback and alarm; a temperature monitoring module is used for detecting the current environmental temperature and providing the determination basis for the processor; a communication interface module is used for receiving an external instruction or transmitting ontology data; and an AVR (automatic voltage regulation) singlechip module is used for synthesizing various determinations and giving a correct motion instruction according to the external instruction or the current failure state. The self-adaptive controller is simple to implement and has high reliability.
Description
Technical field
The utility model belongs to the power electronics application, is specifically related to a kind of vacuum switch Monostable permanent magnetic mechanism on/off switch speed adaptive controller.
Background technology
Permanent magnet mechanism adopts brand-new operation principle, electromagnetic mechanism and permanent magnet are organically combined, avoid the unfavorable factor that divide-shut brake position machinery is threaded off, fastener system caused, need not any mechanical energy and the confining force that produces by permanent magnet just can make vacuum switch remain on the divide-shut brake position.Its branch wire time is stable, and deviation is little, reliability height, pressure field in being widely used in.
The characteristics of Monostable permanent magnetic mechanism are: be provided with tripping spring in the mechanism, and adopt single coil structure.Adopt permanent magnet to make vacuum circuit-breaker remain on the combined floodgate extreme position, use magnetizing coil that the iron core of mechanism is pushed to closing position from the separating brake position; Simultaneously, give the tripping spring energy storage.During separating brake, pass to reverse current to coil, the resultant magnetic field that makes iron core working gas gap place's permanent magnetic material and magnetizing coil produce approaches zero, carries out separating brake by the stored energy of tripping spring
The electric capacity of Monostable permanent magnetic mechanism vacuum switch employing at present is the on/off switch coil power supply.Capacitance voltage is fixed, and on/off switch speed has unicity, does not have when cut-offfing the requirement on the electric and mechanism performance be optimized; And along with the variation of ambient temperature, and the switch wear and aging, the on/off switch fault may appear.
At the shortcoming of prior art, the utility model improves a kind of vacuum switch Monostable permanent magnetic mechanism adaptive controller.This controller passes through to change the voltage of exciting capacity, the on/off switch speed of control switch, and the firm branch of optimizing switch has just closed characteristic, reduces wearing and tearing, improves the life-span.
The utility model content
The utility model provides a kind of vacuum switch Monostable permanent magnetic mechanism adaptive controller.This controller passes through to change the voltage of exciting capacity, the on/off switch speed of control switch, and the firm branch of optimizing switch has just closed characteristic, reduces wearing and tearing, improves the life-span.
For solving above technical problem, the technical scheme that the utility model adopted: a kind of Monostable permanent magnetic mechanism adaptive controller comprises power transfer module, the capacitor charging/discharging administration module, the permanent magnetism drive circuit module, the on off state monitoring modular, the temperature monitoring module, compositions such as communication interface modules and AVR one-chip computer module.
Wherein: interchange that power transfer module will be imported or direct current (solar powered), be converted into direct current 12V, system power supply is provided.The capacitor charging/discharging administration module is controlled exciting capacity voltage according to the instruction of processor.The permanent magnetism drive circuit module is according to the divide-shut brake instruction of processor, and drive coil is carried out corresponding action.The on off state monitoring modular is judged the state and the position of switch, and action feedback and warning are provided.The temperature monitoring module detects current ambient temperature, for processor provides decision-making foundation.Communication interface modules is used to receive external command or sends ontology data.The AVR one-chip computer module is according to external command or current malfunction, and comprehensive various criterions provide correct action command.
This controller was patrolled and examined capacitance voltage every 30 minutes in the on-off controller running; At this moment, central processing unit is determined the voltage of suitable exciting capacity according to ambient temperature, wearing and tearing and degree of aging, on/off switch type; If current capacitance voltage is lower than the calculation requirement value, charged, satisfy the calculation requirement value; If current capacitance voltage is higher than calculation requirement value 5%, then discharged, satisfy the calculation requirement value.This controller is realized simple, the reliability height.
Characteristics of the present utility model: based on unicoil, by the adjustment to exciting capacity voltage, self adaptation is regulated on/off switch speed, and the firm branch of optimizing switch has just closed characteristic, reduces wearing and tearing, improves the life-span.The utility model is realized simple, the reliability height.
Description of drawings
Below in conjunction with Figure of description the utility model is done further detailed description, wherein:
Fig. 1 is the utility model permanent magnet mechanism controller theory diagram;
Fig. 2 is the utility model power module theory diagram;
Fig. 3 is the utility model electric capacity charge management module figure;
Fig. 4 is the utility model driver module schematic diagram.
Embodiment
As shown in Figures 1 to 4, a kind of Monostable permanent magnetic mechanism adaptive controller comprises power transfer module, the capacitor charging/discharging administration module, the permanent magnetism drive circuit module, the on off state monitoring modular, temperature monitoring module, compositions such as communication interface modules and AVR one-chip computer module.The permanent magnet mechanism controller theory diagram is referring to accompanying drawing 1.
Wherein: interchange that power transfer module will be imported or direct current (solar powered), be converted into direct current 12V, system power supply is provided.The capacitor charging/discharging administration module is controlled exciting capacity voltage according to the instruction of processor.The permanent magnetism drive circuit module is according to the divide-shut brake instruction of processor, and drive coil is carried out corresponding action.The on off state monitoring modular is judged the state and the position of switch, and action feedback and warning are provided.The temperature monitoring module detects current ambient temperature, for processor provides decision-making foundation.Communication interface modules is used to receive external command or sends ontology data.The AVR one-chip computer module is according to external command or current malfunction, and comprehensive various criterions provide correct action command.
This controller was patrolled and examined capacitance voltage every 30 minutes in the on-off controller running; At this moment, central processing unit is determined the voltage of suitable exciting capacity according to ambient temperature, wearing and tearing and degree of aging, on/off switch type; If current capacitance voltage is lower than the calculation requirement value, charged, satisfy the calculation requirement value; If current capacitance voltage is higher than calculation requirement value 5%, then discharged, satisfy the calculation requirement value.This controller is realized simple, the reliability height.
Details are as follows for operation principle of the present utility model:
(1) system power supply is supplied with:
The power module theory diagram is referring to accompanying drawing 2.System supports multiple supply power mode, comprise solar energy (18V), CT (0-30V), alternating current-direct current (AC110V/220V, DC110V) and storage battery (12V).When accumulator electric-quantity is not enough, can be its charging by any one power supply of solar energy, CT or alternating current-direct current.When charge in batteries was finished, switch Q1 disconnected.The power supply of processor can any one provides by above four kinds of power supplys.Under-voltage detection, the Charge Management of storage battery are finished by the AVR single-chip microcomputer.
(2) exciting capacity management of charging and discharging:
The AVR single-chip microcomputer is set the voltage of suitable exciting capacity according to ambient temperature, wearing and tearing and degree of aging.Every 30 minutes, the AVR single-chip microcomputer to the voltage detecting of storage capacitor once and compared with the calculated value of system.If the currency of electric capacity is lower than calculated value, then open LT3751, by Q3 capacitor pulse is charged, up to reaching requirement.If the currency of electric capacity is higher than calculated value 5%, then open Q4, by R12, to the capacitor pulse discharge, up to reaching requirement.Exciting capacity circuit and prime charging control section are divided by transformer and light-coupled isolation.Accuracy for guaranteeing that capacitance voltage detects adopts special-purpose secondary optocoupler driver LT4430, guarantees the linearity.
(3) on/off switch control:
The AVR single-chip microcomputer is at first judged the state and the position of circuit breaker if receive separating brake or reclosing command, correctly then carries out branch, combined floodgate.Branch, combined floodgate finish or have surpassed branch, closing time, should stop to carry out branch, closing operation immediately.During combined floodgate, the AVR single-chip microcomputer is exported a closing pulse, makes IGBT pipe Q5, Q8 conducting, and the exciting current positive flow is crossed the on/off switch coil, makes motion unshakable in one's determination, realizes closing a floodgate; During separating brake, the AVR single-chip microcomputer is exported a separating brake pulse, makes IGBT pipe Q6, Q7 conducting, and the exciting current reverse flow is crossed the on/off switch coil, makes motion unshakable in one's determination, realizes separating brake.
(4) system's control
The AVR single-chip microcomputer is realized telecommunication by the RS232 interface of isolating, and receives action command.The AVR single-chip microcomputer connects AD7414 by the SPI interface, detects Current Temperatures.Every 30 minutes, according to ambient temperature and historical experience value, determine the exciting capacity calculated value, and start the management of charging and discharging process.In the on/off switch process, provide action command, supervisory control action process, handling failure state; And the operation of recording time, be used to calculate capacitance as history value.
Characteristics of the present utility model: based on unicoil, by the adjustment to exciting capacity voltage, self adaptation is regulated on/off switch speed, and the firm branch of optimizing switch has just closed characteristic, reduces wearing and tearing, improves the life-span.The utility model is realized simple, the reliability height.
Must be pointed out that some indefinitenesses that the foregoing description is just made the utility model illustrate.But person of skill in the art will appreciate that, do not departing under aim of the present utility model and the scope that can make modification to the utility model, replace and change, these modifications, replacement and change still belong to protection range of the present utility model.
Claims (1)
1. a vacuum switch Monostable permanent magnetic mechanism adaptive controller is characterized in that: comprise power transfer module, capacitor charging/discharging administration module, permanent magnetism drive circuit module, on off state monitoring modular, temperature monitoring module, communication interface modules and AVR one-chip computer module; Wherein: interchange that power transfer module will be imported or direct current, be converted into direct current 12V, system power supply is provided, the capacitor charging/discharging administration module is according to the instruction of processor, exciting capacity voltage is controlled, the permanent magnetism drive circuit module is according to the divide-shut brake instruction of processor, drive coil is carried out corresponding action, the on off state monitoring modular is judged the state and the position of switch, action feedback and warning are provided, the temperature monitoring module detects current ambient temperature, and for processor provides decision-making foundation, communication interface modules is used to receive external command or sends ontology data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206579053U CN201946497U (en) | 2010-12-14 | 2010-12-14 | Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206579053U CN201946497U (en) | 2010-12-14 | 2010-12-14 | Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch |
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| Publication Number | Publication Date |
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| CN201946497U true CN201946497U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206579053U Expired - Fee Related CN201946497U (en) | 2010-12-14 | 2010-12-14 | Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch |
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| CN (1) | CN201946497U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568914A (en) * | 2012-01-09 | 2012-07-11 | 扬州新概念电气有限公司 | Ultra-low-power power supply control system for permanent magnet vacuum circuit breakers |
| CN102624087A (en) * | 2012-03-07 | 2012-08-01 | 辽宁省电力有限公司葫芦岛供电公司 | Outdoor permanent magnetic intelligent vacuum breaker |
| CN102664122A (en) * | 2012-05-24 | 2012-09-12 | 费江海 | Controller for vacuum-breaker permanent-magnet operating mechanism |
| CN103021729A (en) * | 2012-11-28 | 2013-04-03 | 扬州新概念电气有限公司 | Intelligent integrated controller for permanent magnet vacuum circuit breaker |
| CN108376629A (en) * | 2017-09-22 | 2018-08-07 | 平高集团有限公司 | A kind of high-tension switch gear and its control method |
| CN113078732A (en) * | 2013-06-07 | 2021-07-06 | Abb 瑞士股份有限公司 | System and method for monitoring circuit breaker operation |
| CN113488350A (en) * | 2021-07-16 | 2021-10-08 | 国网经济技术研究院有限公司 | Device and method for improving action judgment accuracy of vacuum switch of permanent magnet mechanism |
| CN114582640A (en) * | 2022-03-31 | 2022-06-03 | 广西真舜电力科技有限公司 | Double-coil monostable magnetic control mechanism |
-
2010
- 2010-12-14 CN CN2010206579053U patent/CN201946497U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568914A (en) * | 2012-01-09 | 2012-07-11 | 扬州新概念电气有限公司 | Ultra-low-power power supply control system for permanent magnet vacuum circuit breakers |
| CN102624087A (en) * | 2012-03-07 | 2012-08-01 | 辽宁省电力有限公司葫芦岛供电公司 | Outdoor permanent magnetic intelligent vacuum breaker |
| CN102664122A (en) * | 2012-05-24 | 2012-09-12 | 费江海 | Controller for vacuum-breaker permanent-magnet operating mechanism |
| CN102664122B (en) * | 2012-05-24 | 2014-08-20 | 费江海 | Controller for vacuum-breaker permanent-magnet operating mechanism |
| CN103021729A (en) * | 2012-11-28 | 2013-04-03 | 扬州新概念电气有限公司 | Intelligent integrated controller for permanent magnet vacuum circuit breaker |
| CN113078732A (en) * | 2013-06-07 | 2021-07-06 | Abb 瑞士股份有限公司 | System and method for monitoring circuit breaker operation |
| CN108376629A (en) * | 2017-09-22 | 2018-08-07 | 平高集团有限公司 | A kind of high-tension switch gear and its control method |
| CN113488350A (en) * | 2021-07-16 | 2021-10-08 | 国网经济技术研究院有限公司 | Device and method for improving action judgment accuracy of vacuum switch of permanent magnet mechanism |
| CN114582640A (en) * | 2022-03-31 | 2022-06-03 | 广西真舜电力科技有限公司 | Double-coil monostable magnetic control mechanism |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Jinbolian Electric Power Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Jinbolian Electric Power Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20171214 |