CN204029735U - Intelligent plastic shell-type breaker controller - Google Patents
Intelligent plastic shell-type breaker controller Download PDFInfo
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- CN204029735U CN204029735U CN201420308611.8U CN201420308611U CN204029735U CN 204029735 U CN204029735 U CN 204029735U CN 201420308611 U CN201420308611 U CN 201420308611U CN 204029735 U CN204029735 U CN 204029735U
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- Keying Circuit Devices (AREA)
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Abstract
The utility model relates to a kind of intelligent plastic shell-type breaker controller, comprise power module, current acquisition module, authigenic power supply module, single-chip microcomputer processing unit, drive control module, man-machine interface and communication module, magnetic flow convertor, current transformer one tunnel is connected with authigenic power supply module, another road is connected with current acquisition module, current acquisition module is through filtering, amplify, change to single-chip microcomputer processing unit AD port, sampled value is compared with the set point in program, output sub-gate signal is to drive control module, the action of driving magnetic flow convertor, it is characterized in that: current transformer one tunnel is connected with authigenic power supply module, transformer is connected with authigenic power supply module as accessory power supply module.Adopt authigenic power supply and transformer to power simultaneously, rely on the current transformer power supply of inducting, not only can be for circuit breaker provides stable working power, guarantee circuit breaker can normally be worked in all cases, also improves the sampling precision of signal and the accuracy that system is controlled.
Description
Technical field
The utility model relates to a kind of controller, belongs to Low Voltage Electrical Apparatus, especially a kind of intelligent plastic shell-type breaker controller.
Background technology
Low-voltage distribution apparatus is the equipment of being responsible for controlling electric energy, protection, conversion and distribution in low-voltage power supply system.Because low-voltage distribution apparatus can be deep into technique scene, public place, residential building, every place of electrical installation that makes all must be equipped with this series products.80% left and right of China's electric energy is all to confess by low-voltage distribution apparatus, the development of low-voltage distribution apparatus comes from material industry, low-voltage electrical apparatus, processing technology and equipment, infrastructure construction and the people's living standard, so the level of low-voltage distribution apparatus has reflected a national economic strength and science and technology and living standard from a side.
Mold cased circuit breaker, for connection under normal running conditions, carrying and breaking current and under rated condition, the mechanical switch electrical equipment that makes contact disconnect when electric current reaches a setting.Mainly be applicable to exchange 50Hz; rated voltage 400V; rated current is to the distribution network of 800A; be used for people that indirect contact protection is provided; also can be used to prevent because of apparatus insulated damage; the danger such as fire that produce the fault currents such as ground connection and cause, and the overload and the short circuit that can be used to distribute electric energy and protection circuit and power-supply device, also can be used as the use of the not frequent transitions of circuit and the not frequent starting of motor.
The core of circuit breaker is controller, is also known as release, is the Main Basis that judges that whether circuit breaker is advanced.The appearance that a major reason of controller development is more and more high-performance processor provides very large hardware technology support to the development of controller, the central processing unit that controller adopts has experienced from 51 series of initial 8 microcontroller (MCU) of series monolithic of 16 finally, so that this three phases of DSP series till now.Controller adopts 51 series to be still many that central processing unit designs at home, technology comparative maturity, and the central processing unit of 51 series has advantage in price.But the inherent shortcoming of 51 series monolithic existence: time for each instruction is long itself; Internal resource is few, need to extend out, and causes line design complicated, raises the cost; Bus opening need to be carried out the expansion of data and address bus, has reduced system reliability, therefore adopts the performance of the design meeting restriction controller of 51 series monolithics.16 serial single-chip microcomputers that controller central processing unit uses, the main 80C196KC that adopts INTEL Corp. to produce, the universal single-chip microcomputer of MSP430F149 that TI company produces, the PIC16F877 that Microchip company produces, in the circuit breaker of actual production, its central processing unit also has the industrial tailored version single-chip microcomputer of employing.Although 16 serial single-chip microcomputers and DSP have a certain distance in performance, but because controller is also very high for the requirement of cost performance, so each circuit breaker manufacturer is extensive at present, adopt 16 serial single-chip microcomputers as the central processing unit of intelligent controller both at home and abroad.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes prior art, and a kind of intelligent plastic shell-type breaker controller is provided.This intelligent plastic shell-type breaker controller utilizes current transformer to serve as the authigenic power supply of circuit breaker, not only can in the situations such as overload, short circuit, make reliably circuit breaker make correct action, for circuit breaker provides stable working power; Simultaneously, adopt transformer as accessory power supply, when line current less, when current transformer is not enough to provide the required capacity of whole system, be converted to transformer-supplied, thereby assurance circuit breaker all can normally be worked in all cases, and power supply stability improves greatly, is applicable to various faults situation.Also adopt current acquisition module, in instrument transformer output range, current acquisition precision further improves, and does AD conversion lay a good foundation for single-chip microcomputer, has improved the accuracy that system is controlled.Mold cased circuit breaker is upgraded, for the whole updating of circuit breaker is established solid foundation at control section.
The technical solution of the utility model is: a kind of intelligent plastic shell-type breaker controller, comprise power module, current acquisition module, authigenic power supply module, single-chip microcomputer processing unit, drive control module, man-machine interface and communication module, magnetic flow convertor, current transformer one tunnel is connected with authigenic power supply module, another road is connected with current acquisition module, current acquisition module is through filtering, amplify, change to single-chip microcomputer processing unit AD port, sampled value is compared with the set point in program, output sub-gate signal is to drive control module, the action of driving magnetic flow convertor, it is characterized in that: current transformer one tunnel is connected with authigenic power supply module, transformer is connected with authigenic power supply module as accessory power supply module.
Described authigenic power supply and transformer-supplied power acquisition with or form is connected, thereby assurance circuit breaker all can normally work in all cases, power supply stability improves greatly, is applicable to various faults situation.
Described authigenic power supply and transformer are powered simultaneously, rely on the current transformer power supply of inducting, even if short-circuit conditions appears in circuit, drive and control mould and all can reliablely and stablely work; When line current is less, when current transformer is not enough to provide the required capacity of whole line work, adopt transformer to power.
Described current acquisition module is through filtering, amplification, change to single-chip microcomputer processing unit AD port, then sampled value is compared with the set point in program, if surpass set point, be judged as fault, according to the fault current size different time of time delay, output sub-gate signal is to drive control module, the action of driving magnetic flow convertor, thus make circuit breaker complete separating brake action.
Described current acquisition mould can adopt different multiplication factors for high low signal, improves the sampling precision of signal.
The utlity model has following advantage:
(1) utilize current transformer to serve as the authigenic power supply of circuit breaker, not only can in the situations such as overload, short circuit, make reliably circuit breaker make correct action, for circuit breaker provides stable working power; Simultaneously, adopt transformer as accessory power supply, when line current less, when current transformer is not enough to provide the required capacity of whole system, be converted to transformer-supplied, thereby assurance circuit breaker all can normally be worked in all cases, and power supply stability improves greatly, is applicable to various faults situation.
(2) adopt multiway analog switch to realize multichannel current collection circuit, big or small multiplication factor is selected automatically, and in instrument transformer output range, current acquisition precision further improves, and does AD conversion lay a good foundation for single-chip microcomputer, has improved the accuracy that system is controlled.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is fundamental diagram of the present utility model.
Embodiment
In Fig. 1, the utility model comprises power module, current acquisition module, authigenic power supply module, single-chip microcomputer processing unit, drive control module, man-machine interface and communication module, magnetic flow convertor, current transformer one tunnel is connected with authigenic power supply module, output 12V voltage and 5V voltage, for whole system provides working power, transformer is connected with authigenic power supply module as accessory power supply module simultaneously.Another road of current transformer is connected with acquisition module, through filtering, amplification, change to Chip Microcomputer A/D port, then sampled value is compared with the set point in program, if surpass set point, be judged as fault, according to the fault current size different time of time delay, output sub-gate signal, to control circuit, drives magnetic flow convertor action, thereby makes circuit breaker complete separating brake action.
[0016]described authigenic power supply and transformer-supplied power acquisition with or form is connected, thereby assurance circuit breaker all can normally work in all cases, power supply stability improves greatly, is applicable to various faults situation.
Described authigenic power supply and transformer are powered simultaneously, rely on the current transformer power supply of inducting, even if short-circuit conditions appears in circuit, drive and control mould and all can reliablely and stablely work; When line current is less, when current transformer is not enough to provide the required capacity of whole line work, adopt transformer to power.
Described current acquisition mould can adopt different multiplication factors for high low signal, improves the sampling precision of signal.
Claims (2)
1. an intelligent plastic shell-type breaker controller, comprise power module, current acquisition module, authigenic power supply module, single-chip microcomputer processing unit, drive control module, man-machine interface and communication module, magnetic flow convertor, current transformer one tunnel is connected with authigenic power supply module, another road is connected with current acquisition module, current acquisition module is through filtering, amplify, change to single-chip microcomputer processing unit AD port, sampled value is compared with the set point in program, output sub-gate signal is to drive control module, the action of driving magnetic flow convertor, it is characterized in that: current transformer one tunnel is connected with authigenic power supply module, transformer is connected with authigenic power supply module as accessory power supply module.
2. intelligent plastic shell-type breaker controller according to claim 1, is characterized in that: described authigenic power supply and transformer-supplied power acquisition with or form be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308611.8U CN204029735U (en) | 2014-06-11 | 2014-06-11 | Intelligent plastic shell-type breaker controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308611.8U CN204029735U (en) | 2014-06-11 | 2014-06-11 | Intelligent plastic shell-type breaker controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029735U true CN204029735U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308611.8U Expired - Fee Related CN204029735U (en) | 2014-06-11 | 2014-06-11 | Intelligent plastic shell-type breaker controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451765A (en) * | 2016-08-31 | 2017-02-22 | 江苏创能电器有限公司 | Control device of marine molded case circuit breaker |
| CN107785217A (en) * | 2017-10-19 | 2018-03-09 | 武汉倍诺德开关股份有限公司 | A kind of Intelligent electronic optical pole breaker of plastic casing |
| CN109994991A (en) * | 2019-05-07 | 2019-07-09 | 天津市百利电气有限公司 | Intelligent plastic casing break |
| CN113707508A (en) * | 2020-05-22 | 2021-11-26 | 天津首瑞智能电气有限公司 | DC miniature circuit breaker |
-
2014
- 2014-06-11 CN CN201420308611.8U patent/CN204029735U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451765A (en) * | 2016-08-31 | 2017-02-22 | 江苏创能电器有限公司 | Control device of marine molded case circuit breaker |
| CN107785217A (en) * | 2017-10-19 | 2018-03-09 | 武汉倍诺德开关股份有限公司 | A kind of Intelligent electronic optical pole breaker of plastic casing |
| CN109994991A (en) * | 2019-05-07 | 2019-07-09 | 天津市百利电气有限公司 | Intelligent plastic casing break |
| CN113707508A (en) * | 2020-05-22 | 2021-11-26 | 天津首瑞智能电气有限公司 | DC miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |