CN205489548U - Capacitor switching switch of idle intelligent network deployment - Google Patents
Capacitor switching switch of idle intelligent network deployment Download PDFInfo
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- CN205489548U CN205489548U CN201620268858.0U CN201620268858U CN205489548U CN 205489548 U CN205489548 U CN 205489548U CN 201620268858 U CN201620268858 U CN 201620268858U CN 205489548 U CN205489548 U CN 205489548U
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model provides a capacitor switching switch of idle intelligent network deployment, include: on -the -spot signal pickup assembly, the data acquisition analysis module who is connected with on -the -spot signal pickup assembly, the communication module who is connected with data acquisition analysis module is with the continuous output executive module that just is used for switched capacitor of data acquisition analysis module. The utility model discloses an on -the -spot signal pickup assembly gathers the signal of voltage and current of on -the -spot generating line, carries out analysis processes again in multichannel analog switch inputs microprocessor, then transmits control signal for the output executive module, is zero -crossing by output driver circuit control actuating mechanism to the condenser to the switching that reduces the capacitor switching switch shoves, thus the effectual purpose of stabilizing electric wire netting, protective capacitor.
Description
Technical field
This utility model relates to electronic technology field, and the capacitor switching particularly to a kind of idle intelligent networking switchs.
Background technology
Along with the fast development of China's economy, national large and small enterprise increases, quality of residents'life improve constantly and
Popularizing of household electrical appliance, the requirement to the quality of power supply is increased day by day, and the economical operation of electrical network is increasingly by everybody weight
Depending on.Energy-saving and cost-reducing, to improve the quality of power supply and power system stability is power system Effec-tive Function institute face with economy
The major issue faced.Reasonably compensating reactive power is to improve the quality of power supply, and suppression system is vibrated, and improves system
One method fairly simple, quick, effective of system stability.Currently used widest reactive power compensator is still
Traditional catalyst switched capacitor mode, this martingale is complicated, and switching shoves greatly, and needs controller control
System, switching way is limited.Thus causing capacitor decay fast, controller is relied on big by system.Once controller goes out to ask
Inscribe whole compensation system cannot normally work.And later maintenance cost is high.
Such as the patent of invention that China Patent Publication No. is CN 102299519A, the invention provides a kind of AC capacitor
Operation/cutting method and fling-cut switch circuit, have the fireballing feature of switching, but, the switching side of this employing catalyst
Formula, wiring is complicated, and switching shoves greatly, and needs controller control, and switching way is limited.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
To this end, the purpose of this utility model is to propose the capacitor switching switch of a kind of idle intelligent networking.
To achieve these goals, embodiment of the present utility model provides the capacitor switching switch of a kind of idle intelligent networking,
Including: the data collection and analysis module that field signal acquisition device is connected with field signal acquisition device, divide with data acquisition
Analysis module connect communication module, be connected with data collection and analysis module and for switched capacitor output execution module;
Described data collection and analysis module includes multiway analog switch, microprocessor;The input of described multiway analog switch with
Described field signal acquisition device connect, outfan is connected with described microprocessor, described microprocessor respectively with described communication
Module, described output perform module and connect;
It is provided with communication interface inside described communication module;
Described output performs module and includes output driving circuit, actuator, and the outfan of described output driving circuit connects institute
Stating the control end of actuator, the outfan of described actuator connects capacitor.
Preferably, described field signal acquisition device is made up of voltage sampling circuit and current sampling circuit, wherein voltage sample
Circuit connects three-phase voltage, and current sampling circuit connects three-phase current.
Preferably, described communication module is connected with multiple fling-cut switches or controller by communication interface.
Preferably, described output driving circuit includes that brachium pontis continuous current circuit circuit, H-bridge drive circuit, described brachium pontis afterflow are returned
The input of road circuit connects the outfan of microprocessor, and its outfan connects H-bridge drive circuit, described H-bridge drive circuit
Connect actuator.
Preferably, described actuator is made up of magnetic latching relay and photoelectrical coupler.
Preferably, described multiway analog switch includes switch chip, and described switch chip selects the chip of MC14051 model.
Preferably, described multiway analog switch, also include the first amplifier, the second amplifier, the first diode, the two or two
Pole pipe, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance,
Eight resistance, the second electric capacity, pin 6 ground connection of described switch chip, its pin 11 connect one end of the second resistance, its pin
10 one end connecing the first resistance, its pin 9 connects one end of the 3rd resistance, its pin 8 ground connection, and its pin 7 connects-8V voltage,
Its pin 3 connects one end of the 4th resistance, the in-phase input end of the first amplifier, and its pin 16 connects one end and all of the second electric capacity
Connecing+8V voltage, the other end of described second resistance and the first resistance all connects supply voltage, another termination of described 3rd resistance
Ground, described second electric capacity connects-8V voltage, and the anti-phase input of described first amplifier terminates its outfan and all connects the 6th resistance
One end, its positive supply termination+8V voltage, its negative supply termination-8V voltage, the in-phase input end of described second amplifier connects
One end of 5th resistance, the other end of the 6th resistance, its anti-phase input termination one end of the 7th resistance, one end of the 8th resistance,
Its positive supply termination+8V voltage, its negative supply termination-8V voltage, its output termination negative electrode of the first diode, the two or two pole
The anode of pipe, the other end of the 8th resistance, the plus earth of described first diode, the negative electrode of described second diode connects electricity
Source voltage, the other end ground connection of described 7th resistance, another termination 2.5V voltage of described 5th resistance.
Preferably, described communication module includes that communication interface chip, described communication interface chip select MAX13085 chip.
Preferably, described communication module, also include the 14th resistance, the 9th resistance, the tenth resistance, the 11st resistance,
13 resistance, the 12nd resistance, the first electric capacity, the pin 2 of described communication interface chip connects its pin 3 and all connects the 14th
One end of resistance, its pin 5 connects the 13rd resistance and all ground connection, and its pin 7 connects one end of the 13rd resistance, the 12nd electricity
Resistance one end, one end of the 11st resistance, its pin 6 connect the other end of the 11st resistance, one end of the tenth resistance, the 9th
One end of resistance, its pin 8 connects the other end of the 9th resistance, one end of the first electric capacity and all connects supply voltage, and the described tenth
The other end ground connection of four resistance, the other end ground connection of described first electric capacity, the other end of described tenth resistance is the first outfan,
The other end of described 12nd resistance is the second outfan.
The capacitor switching switch of a kind of idle intelligent networking of the present utility model, has the advantage that as follows:
1, this utility model uses field signal acquisition device to be acquired the voltage and current signal of on-the-spot bus, then through multichannel
Analog switch is input in microprocessor be analyzed processing, and then control signal passes to output and performs module, by exporting
Drive circuit controls actuator and capacitor is done operating passing zero, and the switching switched to reduce capacitor switching shoves, thus has
The stable electrical network of effect, the purpose of protective condenser.
2, this utility model is by the communication interface of communication module, by on-the-spot multiple fling-cut switches interconnection, by with data acquisition
The microprocessor analyzing module carries out MANET, thus constitutes reactive compensation system, and automatic creation system main frame, improves electricity
Energy quality, suppression system is vibrated, and improves system stability.
3, actuator of the present utility model uses output driving circuit to be driven controlling, to reach the purpose of reactive-load compensation.
4, capacitor switching of the present utility model switch have employed microprocessor technology, can be according to the voltage x current letter of on-the-spot bus
Number calculate reactive power and by communication interface oneself become network;So without controller, and a lot of wiring can be optimized and forms
Reactive compensation system, is substantially reduced later maintenance cost high.
Aspect and advantage that this utility model is additional will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the voltage sampling circuit schematic diagram in field signal acquisition device of the present utility model;
Fig. 3 is the current sampling circuit schematic diagram in field signal acquisition device of the present utility model;
Fig. 4 is the power principle figure of multiway analog switch of the present utility model;
Fig. 5 is the circuit theory diagrams of microprocessor of the present utility model;
Fig. 6 is the circuit theory diagrams of communication module of the present utility model (485 interface circuit);
Fig. 7 is the circuit theory diagrams of output driving circuit of the present utility model;
Fig. 8 is the circuit theory diagrams of relay of the present utility model.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;
Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned
Term concrete meaning in this utility model.
This utility model provides the capacitor switching of a kind of idle intelligent networking to switch, reference accompanying drawing 1, including: on-site signal
The data collection and analysis module 1 that harvester 4 is connected with field signal acquisition device, is connected with data collection and analysis module
Communication module 2, be connected with data collection and analysis module and for switched capacitor output perform module 3.
Field signal acquisition device 4 includes voltage sampling circuit and current sampling circuit, and wherein, with reference to accompanying drawing 2, voltage is adopted
Three-phase voltage (A phase voltage, B phase voltage, C phase voltage) is had respectively entered in voltage transformer, from mutual inductance by sample circuit
Device signal out, after processing after filtering, eliminates interference signal, completes the collection to voltage signal;With reference to accompanying drawing 3,
Three-phase current (A phase current, B phase current, C phase current) is respectively connected in current transformer, root by current sampling circuit
Select according to the practical situation of size of current, complete the collection to current signal.
Specifically, data collection and analysis module 1 includes multiway analog switch 11, microprocessor 12;Multiway analog switch 11
Input be connected with field signal acquisition device 4, outfan is connected with microprocessor 12, and microprocessor 12 is respectively with logical
News module 2, output perform module 3 and connect.
Below multiway analog switch is specifically described, with reference to shown in accompanying drawing 4:
Multiway analog switch 11 include switch chip U6, the first amplifier U7B, the second amplifier U7A, the first diode D6,
Second diode D5, the first resistance R14, the second resistance R15, the 3rd resistance R18, the 4th resistance R58, the 5th resistance R22,
6th resistance R19, the 7th resistance R11, the 8th resistance R12, the second electric capacity R15, switch chip U6 selects MC14051 type
Number chip, its pin 6 ground connection, its pin 11 connects one end of the second resistance R15, and its pin 10 meets the first resistance R14
One end, its pin 9 connects one end of the 3rd resistance R18, its pin 8 ground connection, and its pin 7 connects-8V voltage, its pin 3
Connecing one end of the 4th resistance R58, the in-phase input end of the first amplifier U7B, its pin 16 connects one end of the second electric capacity C15
And all connecing+8V voltage, the other end of the second resistance R15 and the first resistance R14 all meets supply voltage VCC, the 3rd resistance R18
Other end ground connection, the second electric capacity C15 connects-8V voltage, and the anti-phase input of the first amplifier U7B terminates its outfan and all
Connect one end of the 6th resistance R19, its positive supply termination+8V voltage, its negative supply termination-8V voltage, the second amplifier U7A
In-phase input end connect one end of the 5th resistance R22, the other end of the 6th resistance R19, its anti-phase input termination the 7th resistance
One end of R11, one end of the 8th resistance R12, its positive supply termination+8V voltage, its negative supply termination-8V voltage, it is defeated
Go out the termination negative electrode of the first diode D6, the anode of the second diode D5, the other end of the 8th resistance R12, the one or two pole
The plus earth of pipe D6, the negative electrode of the second diode D5 meets supply voltage VCC, the other end ground connection of the 7th resistance R11,
Another termination 2.5V voltage of 5th resistance R22.
Additionally, the internal communication interface 21 (such as RS485 interface) that is provided with of communication module 2, and by communication interface 21 with multiple
Fling-cut switch or controller connect, and then carry out MANET by the microprocessor 12 with data collection and analysis module 1, thus
Constituting reactive compensation system, and automatic creation system main frame, improve the quality of power supply, suppression system is vibrated, and improves system stability
Property.
Below communication module is specifically described, with reference to shown in accompanying drawing 7:
Communication module 2 include communication interface chip U2, the 14th resistance R6, the 9th resistance R1, the tenth resistance R5, the tenth
One resistance R4, the 13rd resistance R7, the 12nd resistance R9, the first electric capacity C1, communication interface chip U2 selects MAX13085
Chip, its pin 2 connects its pin 3 and all connects one end of the 14th resistance R6, and its pin 5 meets the 13rd resistance R7 and all
Ground connection, its pin 7 connects one end of the 13rd resistance R7, one end of the 12nd resistance R9, one end of the 11st resistance R4,
Its pin 6 connects the other end of the 11st resistance R4, one end of the tenth resistance R5, one end of the 9th resistance R1, its pin 8
Connect the other end of the 9th resistance R1, one end of the first electric capacity C1 and all meet supply voltage VCC, another of the 14th resistance R6
End ground connection, the other end ground connection of the first electric capacity C1, the other end of the tenth resistance R5 is the first outfan, the 12nd resistance R9
The other end be the second outfan.
Output performs module 3 and includes that output driving circuit 31, actuator 32, output driving circuit 31 obtain outfan and connect
The control end of actuator 32, the outfan of actuator 32 connects capacitor.
Wherein, actuator 32 is made up of with photoelectrical coupler HCPL-817C magnetic latching relay, if Fig. 8 is relay
Circuit theory diagrams.
Below output driving circuit 31 is specifically described, with reference to accompanying drawing 7;
Output driving circuit 31 includes brachium pontis continuous current circuit circuit, H-bridge drive circuit, the input of brachium pontis continuous current circuit circuit
Connecting the outfan of microprocessor, its outfan connects H-bridge drive circuit, and H-bridge drive circuit connects actuator.
Wherein, brachium pontis continuous current circuit circuit is made up of 4 audion BC817,2 audion BC807, H-bridge drive circuit
It is made up of the diode of 4 IN4148 models,
Operation principle: use field signal acquisition device that the voltage and current signal of on-the-spot bus is acquired, then through multichannel mould
Intend switch to be input in microprocessor be analyzed processing, then control signal is passed to output and performs module, output drive
Galvanic electricity road controls actuator and capacitor is done operating passing zero, carries out reactive-load compensation, to reduce the switching of capacitor switching switch
Shove, thus effectively stablize the purpose of electrical network, protective condenser;Then by the RS485 interface of communication module, by scene
Multiple fling-cut switches interconnection, by carrying out MANET with the microprocessor of data collection and analysis module, thus constitute idle benefit
Repay system, and automatic creation system main frame.
Capacitor switching of the present utility model switch have employed microprocessor technology, can be according to the voltage and current signal of on-the-spot bus
Calculate reactive power and by communication interface from becoming network;So without controller, and a lot of wiring can be optimized and forms nothing
Merit compensates system, is substantially reduced later maintenance cost high.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term
It is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Any one or more embodiments or example combine in an appropriate manner.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to it is interpreted as that, to restriction of the present utility model, those of ordinary skill in the art is without departing from of the present utility model former
Above-described embodiment can be changed in the range of this utility model in the case of reason and objective, revise, replace and modification.
Scope of the present utility model is extremely equal to by claims and limits.
Claims (9)
1. an idle intelligent networking capacitor switching switch, it is characterised in that including: field signal acquisition device and
The data collection and analysis module that field signal acquisition device connects, the communication module being connected with data collection and analysis module, with number
Connected according to collection analysis module and for switched capacitor output performs module;
Described data collection and analysis module includes multiway analog switch, microprocessor;The input of described multiway analog switch with
Described field signal acquisition device connect, outfan is connected with described microprocessor, described microprocessor respectively with described communication
Module, described output perform module and connect;
It is provided with communication interface inside described communication module;
Described output performs module and includes output driving circuit, actuator, and the outfan of described output driving circuit connects institute
Stating the control end of actuator, the outfan of described actuator connects capacitor.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 1, it is characterised in that described scene
Signal pickup assembly is made up of voltage sampling circuit and current sampling circuit, and wherein voltage sampling circuit connects three-phase voltage, electricity
Stream sample circuit connects three-phase current.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 1, it is characterised in that described communication
Module is connected with multiple fling-cut switches or controller by communication interface.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 1, it is characterised in that described output
Drive circuit includes brachium pontis continuous current circuit circuit, H-bridge drive circuit, and the input of described brachium pontis continuous current circuit circuit connects micro-
The outfan of processor, its outfan connects H-bridge drive circuit, and described H-bridge drive circuit connects actuator.
5. the capacitor switching switch of a kind of idle intelligent networking as described in claim 1 or 4, it is characterised in that described
Actuator is made up of magnetic latching relay and photoelectrical coupler.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 1, it is characterised in that described multichannel
Analog switch includes switch chip, and described switch chip selects the chip of MC14051 model.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 6, it is characterised in that described multichannel
Analog switch, also include the first amplifier, the second amplifier, the first diode, the second diode, the first resistance, second
Resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the second electric capacity, institute
State pin 6 ground connection of switch chip, its pin 11 connects one end of the second resistance, and its pin 10 connects one end of the first resistance,
Its pin 9 connects one end of the 3rd resistance, its pin 8 ground connection, and its pin 7 connects-8V voltage, and its pin 3 connects the 4th resistance
One end, the in-phase input end of the first amplifier, its pin 16 connects one end of the second electric capacity and all connects+8V voltage, described
The other end of two resistance and the first resistance all connects supply voltage, the other end ground connection of described 3rd resistance, and described second electric capacity connects
-8V voltage, the anti-phase input of described first amplifier terminates its outfan and all connects one end of the 6th resistance, its positive power source terminal
Connect+8V voltage, its negative supply termination-8V voltage, the in-phase input end of described second amplifier connect one end of the 5th resistance, the
The other end of six resistance, its anti-phase input termination one end of the 7th resistance, one end of the 8th resistance, its positive supply termination+8V
Voltage, its negative supply termination-8V voltage, its output termination negative electrode of the first diode, the anode of the second diode, the 8th
The other end of resistance, the plus earth of described first diode, the negative electrode of described second diode connects supply voltage, and described
The other end ground connection of seven resistance, another termination 2.5V voltage of described 5th resistance.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 1, it is characterised in that described communication
Module includes that communication interface chip, described communication interface chip select MAX13085 chip.
The capacitor switching switch of a kind of idle intelligent networking the most as claimed in claim 8, it is characterised in that described communication
Module, also include the 14th resistance, the 9th resistance, the tenth resistance, the 11st resistance, the 13rd resistance, the 12nd resistance,
First electric capacity, the pin 2 of described communication interface chip connects its pin 3 and all connects one end of the 14th resistance, and its pin 5 connects
13rd resistance and all ground connection, its pin 7 connects one end of the 13rd resistance, one end of the 12nd resistance, the 11st resistance
One end, its pin 6 connects the other end of the 11st resistance, one end of the tenth resistance, one end of the 9th resistance, and its pin 8 connects
The other end of the 9th resistance, one end of the first electric capacity and all connect supply voltage, the other end ground connection of described 14th resistance, institute
Stating the other end ground connection of the first electric capacity, the other end of described tenth resistance is the first outfan, another of described 12nd resistance
End is the second outfan.
Priority Applications (1)
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CN201620268858.0U CN205489548U (en) | 2016-03-31 | 2016-03-31 | Capacitor switching switch of idle intelligent network deployment |
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CN201620268858.0U CN205489548U (en) | 2016-03-31 | 2016-03-31 | Capacitor switching switch of idle intelligent network deployment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108008178A (en) * | 2017-11-28 | 2018-05-08 | 指明集团有限公司 | Wireless multifunctional power network signal Transmission system |
CN108010295A (en) * | 2017-11-28 | 2018-05-08 | 指明集团有限公司 | Power network signal wireless transmitting system based on collection type current transformer |
-
2016
- 2016-03-31 CN CN201620268858.0U patent/CN205489548U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108008178A (en) * | 2017-11-28 | 2018-05-08 | 指明集团有限公司 | Wireless multifunctional power network signal Transmission system |
CN108010295A (en) * | 2017-11-28 | 2018-05-08 | 指明集团有限公司 | Power network signal wireless transmitting system based on collection type current transformer |
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