CN208638096U - Power distribution network intelligent controller - Google Patents
Power distribution network intelligent controller Download PDFInfo
- Publication number
- CN208638096U CN208638096U CN201820570685.7U CN201820570685U CN208638096U CN 208638096 U CN208638096 U CN 208638096U CN 201820570685 U CN201820570685 U CN 201820570685U CN 208638096 U CN208638096 U CN 208638096U
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- China
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- digital processing
- processing element
- distribution network
- diode
- inductance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Power distribution network intelligent controller, including speed saturation mutual inductor, dual power supply control module, executing agency, tripping controller, switch state detection unit, digital processing element, divider resistance, current transformer, signal conditioning circuit, converting unit, host computer；The speed saturation mutual inductor is connected by dual power supply control module with digital processing element；The divider resistance is connected by the first signal conditioning circuit with digital processing element；The current transformer is connected by second signal conditioning circuit with digital processing element；The digital processing element is connected by tripping controller with executing agency；The executing agency is connected by switch state detection unit with digital processing element；The digital processing element is connected by converting unit with host computer.
Description
Technical field
The utility model belongs to technical field of electric power more particularly to power distribution network intelligent controller.
Background technique
Power circuit breaker as protection in transmission and distribution networks includes frame-type circuit breaker and mold cased circuit breaker, is being set
When standby overload, short circuit, can reliably and securely disengagement failure electric current, prevent fault spread from injuring entire electrical power trans mission/distribution system.With
The progress of science and technology, people require the degree of automation of power supply-distribution system higher and higher, and the function of conventional circuit breaker is not
It is able to satisfy the needs of power supply-distribution system automation.Breaker controller to intelligent, multi-functional, modularization and can communicate
Direction is developed.More breakers in power supply system are required to be able to achieve the functions such as connected network communication, Centralized Monitoring, while to height
Breaking capacity, more defencive functions, high reliability propose higher application requirement.
Utility model content
The purpose of this utility model is that in view of the above-mentioned problems, proposing power distribution network intelligent controller.
Power distribution network intelligent controller, including speed saturation mutual inductor, dual power supply control module, executing agency, tripping controller,
It is switch state detection unit, digital processing element, divider resistance, current transformer, signal conditioning circuit, converting unit, upper
Machine；The speed saturation mutual inductor is connected by dual power supply control module with digital processing element；The divider resistance passes through first
Signal conditioning circuit is connected with digital processing element；The current transformer passes through second signal conditioning circuit and digital processing list
Member is connected；The digital processing element is connected by tripping controller with executing agency；The executing agency passes through switch state
Detection unit is connected with digital processing element；The digital processing element is connected by converting unit with host computer.
Further, the digital processing element includes processor, key input interface, processor described in display and aobvious
Show that device, key input interface are connected.
Further, the converting unit includes communication interface, RS485 transceiver, build-out resistor, RS485/RS232 turns
Parallel operation, host computer；The digital processing element, communication interface, RS485 transceiver, build-out resistor, RS485/RS232 converter,
Host computer is sequentially connected.
Further, the communication interface include SPE485E chip, power supply, first resistor, second resistance, the first inductance,
Second inductance, first capacitor, the second capacitor, first diode, the second diode, third diode；The SPE485E chip electricity
Source input termination first end, positive pole；First resistor second end connected second resistance and connects the output of SPE485E chip first
End, RS485 transceiver first input end；The SPE485E chip second output terminal connects first capacitor first end, the second capacitor
One end, the second input terminal of RS485 transceiver；The first capacitor second end, the second capacitor second terminate the first inductance first end,
Second inductance first end；First inductance second terminates first diode cathode, the second diode cathode；Second inductance second termination
Second diode cathode, third diode cathode, the second input terminal of communication interface；First diode anode, the second diode are just
Pole connects positive pole.
Further, the processor includes TMS320F2812 chip.
Further, the signal conditioning circuit includes isolation circuit, filter circuit, amplifying circuit；The isolation circuit,
Filter circuit, amplifying circuit are sequentially connected.
The utility model has the beneficial effects that: the controller not only has the basic function of three section protection, moreover it is possible to realize
" four is distant " of serial link Modbus bus communication: the functions such as distant news, telemetering, remote regulating, remote power quality monitoring.
Detailed description of the invention
Fig. 1 is the schematic diagram of power distribution network intelligent controller.
Specific embodiment
To keep the purposes, technical schemes and advantages of utility model embodiment clearer, below in conjunction with the utility model
Attached drawing 1 in embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be the utility model a part of the embodiment, instead of all the embodiments.Usually describes and show in attached drawing 1 here
The component of the utility model embodiment out can be arranged and be designed with a variety of different configurations.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
The present embodiment provides power distribution network intelligent controllers, including speed saturation mutual inductor, dual power supply control module, execution machine
Structure, tripping controller, switch state detection unit, digital processing element, divider resistance, current transformer, signal conditioning circuit,
Converting unit, host computer；The speed saturation mutual inductor is connected by dual power supply control module with digital processing element；The partial pressure
Resistance is connected by the first signal conditioning circuit with digital processing element；The current transformer passes through second signal conditioning circuit
It is connected with digital processing element；The digital processing element is connected by tripping controller with executing agency；The executing agency
It is connected by switch state detection unit with digital processing element；The digital processing element passes through converting unit and host computer phase
Even.Further, the digital processing element include processor, key input interface, processor and display described in display,
Key input interface is connected.
Further, the digital processing element includes processor, key input interface, processor described in display and aobvious
Show that device, key input interface are connected；
Further, the converting unit includes communication interface, RS485 transceiver, build-out resistor, RS485/RS232 turns
Parallel operation, host computer；The digital processing element, communication interface, RS485 transceiver, build-out resistor, RS485/RS232 converter,
Host computer is sequentially connected.
Further, the communication interface include SPE485E chip, power supply, first resistor, second resistance, the first inductance,
Second inductance, first capacitor, the second capacitor, first diode, the second diode, third diode；The SPE485E chip electricity
Source input termination first end, positive pole；First resistor second end connected second resistance and connects the output of SPE485E chip first
End, RS485 transceiver first input end；The SPE485E chip second output terminal connects first capacitor first end, the second capacitor
One end, the second input terminal of RS485 transceiver；The first capacitor second end, the second capacitor second terminate the first inductance first end,
Second inductance first end；First inductance second terminates first diode cathode, the second diode cathode；Second inductance second termination
Second diode cathode, third diode cathode, the second input terminal of communication interface；First diode anode, the second diode are just
Pole connects positive pole.
Further, the processor includes TMS320F2812 chip.
Further, the signal conditioning circuit includes isolation circuit, filter circuit, amplifying circuit；The isolation circuit,
Filter circuit, amplifying circuit are sequentially connected.
Using air-core current transformer sensed current signal, to guarantee the having preferable range of linearity.Using concatenated resistance
Partial pressure provides voltage signal.Electric current and voltage signal are after RC is filtered, and point 2 tunnels are sampled, to solve the problems, such as range conversion.
When transformer output voltage is smaller, voltage amplifies by LM324, is sampled by A/D；And when transformer output voltage is bigger
When, LM324 output is saturated, then is directly sampled by A/D.Wherein the selection in channel is completed by software, so that sampled signal exists
It can preferably be linked up at threshold values.AC signal is promoted to the identifiable 3.3 V direct current signal of A/D by R11, R12, R21, R22,
D1, D2, D7, D8 constitute limiter protection circuit.For voltage channel in addition to electric resistance partial pressure difference, other parts are similar.
Since the disjunction of breaker can generate interference to circuit, to guarantee reliable communication, circuit attached some protections.
Wherein TVS pipe V1, V2, V3 of 8.2 V is for protecting RS485 bus, to avoid RS485 bus when by external interference
The high pressure that (lightning stroke, surge) generates damages RS485 transceiver.L1, L2, C7, C8 element in circuit, for improving circuit
EMI performance, and good protecting effect is played to SP485E chip.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "inner", "outside" is based on attached orientation or positional relationship shown in FIG. 1 or this is practical new
Type product using when the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and
It cannot be understood as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected.
Claims (6)
1. power distribution network intelligent controller, which is characterized in that including speed saturation mutual inductor, dual power supply control module, executing agency, take off
Detain controller, switch state detection unit, digital processing element, divider resistance, current transformer, signal conditioning circuit, conversion
Unit, host computer；The speed saturation mutual inductor is connected by dual power supply control module with digital processing element；The divider resistance
It is connected by the first signal conditioning circuit with digital processing element；The current transformer passes through second signal conditioning circuit and number
Word processing unit is connected；The digital processing element is connected by tripping controller with executing agency；The executing agency passes through
Switch state detection unit is connected with digital processing element；The digital processing element is connected by converting unit with host computer.
2. power distribution network intelligent controller according to claim 1, which is characterized in that the digital processing element includes processing
Device, key input interface, processor is connected with display, key input interface described in display.
3. power distribution network intelligent controller according to claim 1, which is characterized in that the converting unit include communication interface,
RS485 transceiver, build-out resistor, RS485/RS232 converter, host computer；The digital processing element, communication interface, RS485
Transceiver, build-out resistor, RS485/RS232 converter, host computer are sequentially connected.
4. power distribution network intelligent controller according to claim 3, which is characterized in that the communication interface includes SPE485E core
Piece, power supply, first resistor, second resistance, the first inductance, the second inductance, first capacitor, the second capacitor, first diode, second
Diode, third diode；The SPE485E chip power input is terminating first end, power supply just +++ pole；First resistor second
Termination connects the first output end of SPE485E chip, RS485 transceiver first input end by second resistance；The SPE485E chip
Second output terminal connects first capacitor first end, the second capacitor first end, the second input terminal of RS485 transceiver；The first capacitor
Second end, the second capacitor second terminate the first inductance first end, the second inductance first end；First inductance second terminates the one or two pole
Pipe cathode, the second diode cathode；Second inductance second terminates the second diode cathode, third diode cathode, communication interface
Second input terminal；First diode anode, the second diode cathode connect positive pole.
5. power distribution network intelligent controller according to claim 2, which is characterized in that the processor includes TMS320F2812
Chip.
6. power distribution network intelligent controller according to claim 1, which is characterized in that the signal conditioning circuit includes isolation electricity
Road, filter circuit, amplifying circuit；The isolation circuit, filter circuit, amplifying circuit are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570685.7U CN208638096U (en) | 2018-04-20 | 2018-04-20 | Power distribution network intelligent controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570685.7U CN208638096U (en) | 2018-04-20 | 2018-04-20 | Power distribution network intelligent controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638096U true CN208638096U (en) | 2019-03-22 |
Family
ID=65731993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820570685.7U Expired - Fee Related CN208638096U (en) | 2018-04-20 | 2018-04-20 | Power distribution network intelligent controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638096U (en) |
-
2018
- 2018-04-20 CN CN201820570685.7U patent/CN208638096U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190911 Address after: 113 Dongkuangjie, Qianshan District, Anshan City, Liaoning Province Patentee after: Anshan Hongtai Electric Co., Ltd. Address before: 610000 Pixian, Chengdu, Sichuan Province, Pixian town (Jing Rong town) 6 homes, 2 units, 601-602 rooms with -1 Patentee before: Sichuan Furui prosperous energy saving environmental protection technology Co Ltd |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |