CN202906572U - Intelligent controller of permanent magnet mechanism breaker - Google Patents
Intelligent controller of permanent magnet mechanism breaker Download PDFInfo
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- CN202906572U CN202906572U CN 201220040459 CN201220040459U CN202906572U CN 202906572 U CN202906572 U CN 202906572U CN 201220040459 CN201220040459 CN 201220040459 CN 201220040459 U CN201220040459 U CN 201220040459U CN 202906572 U CN202906572 U CN 202906572U
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Abstract
The utility model discloses an intelligent controller of a permanent magnet mechanism breaker, which is formed by combining the permanent magnet mechanism control technology and the relay protection technology and comprises a central processing unit (CPU) module, a data collection module, a power supply management module, a permanent magnet driving module, a communication module and a man-machine interface module. The controller can directly drive a mono-stable permanent magnet mechanism, achieve fault isolation and fault location, and effectively determine fault lines especially for small current grounding faults by calculating and comparing component amplitude of transient zero-sequence current in feature bands. The controller has a fault wave recording function and can record as many as 5000 accident records. The controller has a self-diagnostic function and can detect and collect faults in passages on line, control faults in the passages in remote control mode and give alarms timely. The intelligent controller is strong in functions and can sufficiently meet requirements for construction of intelligent distribution networks by being matched with the permanent magnet breaker.
Description
Technical field
The invention belongs to field of power electronics, be specifically related to a kind of realization of Intelligent controller of permanent magnet mechanism breaker.
Background technology
Permanent magnet mechanism adopts brand-new operation principle, electromagnetic mechanism and permanent magnet are organically combined, the unfavorable factor that causes of divide-shut brake position mechanical trip, fastener system of having kept away rabbit 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.Permanent magnetic actuator vacuum circuit breaker has that volume is little, lightweight, divide-shut brake speed is fast, non-maintaining, the life-span is long, economize on electricity, without oil do not fire, reliability is high, can frequent operation etc. many merits, obtained extensive use in the Medium voltage switch or circuit breaker field.
At present, the intelligent degree of mesohigh circuit breaker is lower, can not adapt to the needs of intelligent distribution network development.Intelligent breaker is compared with the traditional type circuit breaker, the function that all can set parameters such as overload long delay, short circuit short time-delay, instantaneous operation protection, one-phase ground protection, load monitoring protections is not only arranged, and have the measurement Presentation Function.The data of measuring both can show on the spot that also can transfer data to host computer showed, self-diagnostic function can realize the High Voltage Circuit Breaker Condition is detected and communication function.When electric power networks communicates networking, intelligent breaker can be used as the remote terminal of power automation network and realizes " four is distant ", be so-called remote measurement, remote signalling, remote control and remote regulating, and intelligent breaker supports various protocols with applicable different networking requirement, the field is flexible.
The present invention combines permanent magnet mechanism control technology and Protection Technology, has realized a kind of intelligent permanent-magnet breaker controller, and the intellectuality of circuit breaker is become a reality.
Summary of the invention
The invention provides a kind of intelligent permanent-magnet breaker controller; This controller adopts DSP+ARM double-core CPU, and DSP is used for realizing high-speed computation, and ARM is used for the transaction such as data storage and communication.
For addressing the above problem, the present invention realizes by following scheme: a kind of Intelligent controller of permanent magnet mechanism breaker, combine by permanent magnet mechanism control technology and Protection Technology, and form Intelligent controller of permanent magnet mechanism breaker, this controller comprises:
A, CPU module are used for the Monitoring Line running status, and according to operation result, starting protection moves or send warning message;
B, data acquisition module gather three-phase voltage, three-phase current and zero-sequence current, carry out the A/D conversion, give the CPU module digital signal;
C, power management module, the interchange or the direct current that are used for input are converted into direct current 12V, and system power supply is provided, and storage battery, storage capacitor are carried out management of charging and discharging;
D, permanent magnetic drive module, according to the divide-shut brake instruction of CPU module, drive coil is carried out corresponding action;
E, communication module are used for receiving external command or send local data;
F, human-machine interface module, human-machine interface module comprise liquid crystal and keyboard, are used for setting parameter.
The CPU module adopts DSP+ARM double-core CPU, and described DSP is used for realizing high-speed computation, and described ARM double-core CPU is used for the data storage and communications transaction is processed.
Data acquisition module provides the protection of electric current syllogic, one-phase ground protection, low-voltage lockout relay protection function, can realize Fault Isolation and fault location; For low current grounding, by transient zero-sequence current component amplitude in calculating and the comparative feature frequency band, can effectively determine faulty line.
Power management module is supported PT power supply, CT self-powered, standby battery and solar powered, and described standby battery provides the management of charging and discharging function, automatically carries out storage battery activation.
The permanent magnetic drive module integration oriented module and storage capacitor administration module, can directly drive Monostable permanent magnetic mechanism.
Communication module is integrated Ethernet interface is supported the light mouth and be connected mouthful to connect, and integrated GPRS module, bluetooth module, RS485 module, remote control module, and described GPRS module is used for and master station communication, and described bluetooth module is for wireless debugging and definite value setting.
This controller has the failure wave-recording function, can record nearly 5000 logouts, and have self-diagnostic function, can detect online the fault of acquisition channel and remote-control channel, in time alarm.
Double-core CPU of the present invention, operational capability is powerful, and communication interface is abundant, supports the standard power agreement.This controller is supported the various ways power supply, and the accumulator cell charging and discharging management function is provided, and automatically carries out storage battery activation.This controller is integrated oriented module and storage capacitor administration module can directly drive Monostable permanent magnetic mechanism.This controller provides the relay protection functions such as the protection of electric current syllogic, one-phase ground protection, low-voltage lockout, can realize Fault Isolation and fault location; Especially for low current grounding, by transient zero-sequence current component amplitude in calculating and the comparative feature frequency band, can effectively determine faulty line.This controller has the failure wave-recording function, can record nearly 5000 logouts.This controller has self-diagnostic function, can detect online the fault of acquisition channel and remote-control channel, in time alarm; This intelligent controller is powerful, cooperates with permanent-magnet breaker, can fully satisfy the demand of intelligent power distribution network construction.
Below be that the present invention will be further described in conjunction with embodiment and description of drawings:
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is principle of the invention block diagram;
Fig. 3 is powersupply system schematic diagram of the present invention;
Fig. 4 is permanent magnet mechanism drive principle figure of the present invention.
Embodiment
As shown in Figure 1, this controller adopts the plate card type structure of similar industrial computer, and each feature board is inserted on the passive motherboard, convenient on-the-spot maintenance; Clamp 6 comprises finger-board 4, motherboard 5, connector for substrate 3, LCD2, terminals 1, lower guide channel 7.Be inserted on the motherboard by European plugs, finger-board and LCD are inserted in the another side of motherboard.
As shown in Figure 2, CPU module monitors circuit running status, according to operation result, starting protection moves or sends warning message.Data collecting module collected three-phase voltage, three-phase current and zero-sequence current carry out the A/D conversion, give the CPU module digital signal.The interchange that power management module will be inputted (PT or CT), or direct current (solar powered) are converted into direct current 12V, and system power supply is provided; Storage battery, storage capacitor are carried out management of charging and discharging.The permanent magnetic drive circuit module is according to the divide-shut brake instruction of processor, and drive coil is carried out corresponding action.Communication interface modules is used for receiving external command or sends local data.Human-machine interface module comprises liquid crystal and keyboard, is used for setting parameter.
This CPU module adopts DSP+ARM double-core CPU, and DSP is used for realizing high-speed computation, and ARM is used for the transaction such as data storage and communication; Adopt the I/O interface, input by remote control; Communication module is integrated Ethernet interface is supported the light mouth and be connected mouthful to connect, integrated GPRS module, bluetooth module, RS485 module, remote control module, and GPRS is used for and master station communication, and bluetooth module is for wireless debugging and definite value setting; Power management module is supported PT power supply, CT self-powered and solar powered.The accumulator cell charging and discharging management function is provided, automatically carries out storage battery activation; The permanent magnetic drive module integration drive coil, oriented module and storage capacitor administration module, can directly drive Monostable permanent magnetic mechanism.Data acquisition module provides the relay protection functions such as the protection of electric current syllogic, one-phase ground protection, low-voltage lockout, can realize Fault Isolation and fault location; Especially for low current grounding, by transient zero-sequence current component amplitude in calculating and the comparative feature frequency band, can effectively determine faulty line.This control device is supported electric power standard communication protocol, comprises IEC61850,101,104 etc.This controller has the failure wave-recording function, can record nearly 5000 logouts.This controller has self-diagnostic function, can detect online the fault of acquisition channel and remote-control channel, in time alarm.
The power module theory diagram is referring to shown in the accompanying drawing 3, adopt the flyback mode Switching Power Supply, support multiple supply power mode, comprise solar energy (18V), CT (0-30V), alternating current-direct current (AC110V/220V, DC110V/220V) and storage battery (12V).During the storage battery quantity not sufficient, can be its charging by any one power supply of solar energy, CT or alternating current-direct current.Power module is converted to direct current 12V with input, and rated power 5W supplies with each submodule.Electric energy distributes automatically, and processor system is preferentially powered, and secondly is the guiding boost module, is at last the battery charging; After the battery abundance, automatically regulate the power supply input power, guarantee can not cause to overcharge; When externally fed interrupted or be not enough, administrative unit changed powered battery automatically over to, and power module also provides battery tension to detect and the auto-activation function, prolongs battery.
The permanent magnet mechanism drive principle as shown in Figure 4, during combined floodgate, CPU exports a closing pulse, makes IGBT pipe Q5, Q8 conducting, the exciting current positive flow is crossed the on/off switch coil, makes motion unshakable in one's determination, realizes combined floodgate; During separating brake, CPU exports 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.
Claims (7)
1. an Intelligent controller of permanent magnet mechanism breaker is characterized in that, combines by permanent magnet mechanism control technology and Protection Technology, forms Intelligent controller of permanent magnet mechanism breaker, and this controller comprises:
A, CPU module are used for the Monitoring Line running status, and according to operation result, starting protection moves or send warning message;
B, data acquisition module gather three-phase voltage, three-phase current and zero-sequence current, carry out the A/D conversion, give the CPU module digital signal;
C, power management module, the interchange or the direct current that are used for input are converted into direct current 12V, and system power supply is provided, and storage battery, storage capacitor are carried out management of charging and discharging;
D, permanent magnetic drive module, according to the divide-shut brake instruction of CPU module, drive coil is carried out corresponding action;
E, communication module are used for receiving external command or send local data;
F, human-machine interface module, human-machine interface module comprise liquid crystal and keyboard, are used for setting parameter.
2. Intelligent controller of permanent magnet mechanism breaker according to claim 1 is characterized in that: described CPU module adopts DSP+ARM double-core CPU, and described DSP is used for realizing high-speed computation, and described ARM double-core CPU is used for the data storage and communications transaction is processed.
3. Intelligent controller of permanent magnet mechanism breaker according to claim 1, it is characterized in that: described data acquisition module provides the protection of electric current syllogic, one-phase ground protection, low-voltage lockout relay protection function, can realize Fault Isolation and fault location; For low current grounding, by transient zero-sequence current component amplitude in calculating and the comparative feature frequency band, can effectively determine faulty line.
4. Intelligent controller of permanent magnet mechanism breaker according to claim 1, it is characterized in that: described power management module is supported PT power supply, CT self-powered, standby battery and solar powered, described standby battery provides the management of charging and discharging function, automatically carries out storage battery activation.
5. Intelligent controller of permanent magnet mechanism breaker according to claim 1 is characterized in that: described permanent magnetic drive module integration oriented module and storage capacitor administration module, can directly drive Monostable permanent magnetic mechanism.
6. Intelligent controller of permanent magnet mechanism breaker according to claim 1, it is characterized in that: described communication module is integrated Ethernet interface, support the light mouth and be connected a mouthful connection, and integrated GPRS module, bluetooth module, RS485 module, remote control module, described GPRS module is used for and master station communication, and described bluetooth module is used for wireless debugging and definite value is set.
7. Intelligent controller of permanent magnet mechanism breaker according to claim 1, it is characterized in that: described this controller has the failure wave-recording function, can record nearly 5000 logouts, and have self-diagnostic function, can detect online the fault of acquisition channel and remote-control channel, in time alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220040459 CN202906572U (en) | 2012-02-08 | 2012-02-08 | Intelligent controller of permanent magnet mechanism breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220040459 CN202906572U (en) | 2012-02-08 | 2012-02-08 | Intelligent controller of permanent magnet mechanism breaker |
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| CN202906572U true CN202906572U (en) | 2013-04-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545388A (en) * | 2012-02-08 | 2012-07-04 | 深圳市金博联电力技术有限公司 | Intelligent controller of permanent magnet mechanism breaker |
| CN105513314A (en) * | 2015-11-26 | 2016-04-20 | 德力西电气有限公司 | Intelligent universal circuit breaker with wireless interlock system |
| CN107834701A (en) * | 2017-11-14 | 2018-03-23 | 海南电网有限责任公司东方供电局 | Intelligent permanent magnet breaker based on bluetooth holds maintenance terminal system |
| CN112366819A (en) * | 2020-10-10 | 2021-02-12 | 广西电网有限责任公司电力科学研究院 | Secondary circuit module based on circuit breaker mechanism |
| CN113241284A (en) * | 2021-04-13 | 2021-08-10 | 山西长治贝克电气有限公司 | Intelligent permanent magnet vacuum circuit breaker for mine |
-
2012
- 2012-02-08 CN CN 201220040459 patent/CN202906572U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545388A (en) * | 2012-02-08 | 2012-07-04 | 深圳市金博联电力技术有限公司 | Intelligent controller of permanent magnet mechanism breaker |
| CN102545388B (en) * | 2012-02-08 | 2016-01-06 | 深圳市金博联电力技术有限公司 | A kind of Intelligent controller of permanent magnet mechanism breaker |
| CN105513314A (en) * | 2015-11-26 | 2016-04-20 | 德力西电气有限公司 | Intelligent universal circuit breaker with wireless interlock system |
| CN107834701A (en) * | 2017-11-14 | 2018-03-23 | 海南电网有限责任公司东方供电局 | Intelligent permanent magnet breaker based on bluetooth holds maintenance terminal system |
| CN112366819A (en) * | 2020-10-10 | 2021-02-12 | 广西电网有限责任公司电力科学研究院 | Secondary circuit module based on circuit breaker mechanism |
| CN113241284A (en) * | 2021-04-13 | 2021-08-10 | 山西长治贝克电气有限公司 | Intelligent permanent magnet vacuum circuit breaker for mine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20180208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |