CN205622564U - Three phase machine reactive power intelligent compensation remote monitering system - Google Patents
Three phase machine reactive power intelligent compensation remote monitering system Download PDFInfo
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- CN205622564U CN205622564U CN201620299519.9U CN201620299519U CN205622564U CN 205622564 U CN205622564 U CN 205622564U CN 201620299519 U CN201620299519 U CN 201620299519U CN 205622564 U CN205622564 U CN 205622564U
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Abstract
The utility model discloses a three phase machine reactive power intelligent compensation remote monitering system, including intelligent compensation control system and intelligent Mobile Terminal, intelligent compensation control system includes control chip, measurement chip, voltage zero -cross detection module, electric current zero -cross detection module, electric capacity switching unit, signal transceiver no. 1 and RS485 communication module, just electric capacity switching unit includes drive circuit, MOSFET bridge circuit, the synchronous vacuum switch of permanent magnetism, deciliter brake controller and energy -storage capacitor module. It is reliable that this three phase machine reactive power intelligent compensation remote monitering system adoption intelligent compensation control system surely throws the mode of condenser, and the control accuracy is high, secondly, through the cooperation of the signal transceiver among intelligent compensation control system control chip, signal transceiver no. 1, RS485 communication module and the intelligent Mobile Terminal no. 2, controller, alarm module, AD converter and display module, but can make this system have the effect of remote monitoring.
Description
Technical field
This utility model relates to long distance control system technical field, is specially a kind of three phase electric machine reactive power
Intelligent compensation long distance control system.
Background technology
At present, the most of electrical equipment in electrical network be all belonging to perception load, such as asynchronous machine,
Transformators etc., while they consume active power in running, also to absorb idle from electrical network
Power, the reactive power of absorption can cause the electric current in circuit to increase, cause the waste that electric energy is unnecessary,
Reduce power factor and quality of voltage.
But, parallel capacitor device is arranged in electrical network the flowing that may be reduced by reactive power, thus
Reduce the transmission losses that transmission line of electricity causes because of extra conveying reactive power.
Traditional some intelligent compensation control systems use Control cut throwing capacitor mode can not
Leaning on, precise control is the highest, and does not have the effect that can remotely monitor.To this end, it is it is proposed that a kind of
Three phase electric machine reactive power intelligent compensation long distance control system.
Utility model content
The purpose of this utility model is to provide a kind of three phase electric machine reactive power intelligent compensation remotely to monitor system
System, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer: a kind of idle merit of three phase electric machine
Rate intelligent compensation long distance control system, including intelligent compensation control system and intelligent mobile terminal, described intelligence
Can include that control chip, computation chip, voltage zero-cross detection module, current over-zero are examined by compensation control system
Survey module, capacitor switching unit, signal transceiver one and RS485 communication module, and described electric capacity is thrown
Cut unit includes drive circuit, MOSFET bridge formula circuit, permanent-magnet synchronous vacuum switch, divide-shut brake controller
And energy-storing capacitor module.
Described intelligent mobile terminal includes that PLC, signal transceiver two, alarm module, A/D change
Device, display module and memory module.
In described control chip and capacitor switching unit, the input of energy-storing capacitor module is all and power module
Outfan connect.
Described control chip is bi-directionally connected with computation chip by SPI communication, two of described computation chip
Input outfan with voltage transformer and current transformer respectively is connected, the three of described control chip
Individual input respectively with voltage zero-cross detection module, current over-zero detection module and temperature survey chip
Outfan connects.
The outfan of described control chip is connected with the drive circuit input in capacitor switching unit, described
The outfan of drive circuit is connected with the input of permanent-magnet synchronous vacuum switch by MOSFET bridge formula circuit,
The outfan of described permanent-magnet synchronous vacuum switch is by the input of divide-shut brake controller with energy-storing capacitor module
Connect.
Control chip in described intelligent compensation control system is bi-directionally connected with signal transceiver one, described letter
Number transceiver one is bi-directionally connected with signal transceiver in intelligent mobile terminal two by RS485 communication module,
Described signal transceiver two is bi-directionally connected with PLC, one of them output of described PLC
End is connected with the input of alarm module, and another outfan of described PLC is changed by A/D
Device is connected with the input of display module, and described PLC is also bi-directionally connected with memory module.
Preferably, described control chip is AVR single chip ATmega128.
Preferably, described computation chip is three-phase electric energy the special metering IC ATT7022A.
Preferably, described intelligent mobile terminal is mobile phone or computer one therein.
Preferably, described alarm module is buzzer siren.
Compared with prior art, the beneficial effects of the utility model are: this three phase electric machine reactive power intelligence
Compensate long distance control system, by the various measure voltage & current modules in intelligent compensation control system, right
After the signal of system accurately detects, automatically controlling, using intelligent compensation control system to cut throwing
The mode of capacitor is reliable, and precise control is high；Secondly, by intelligent compensation control system controls core
Signal transceiver two in sheet, signal transceiver one, RS485 communication module and intelligent mobile terminal, control
The cooperation of device processed, alarm module, A/D converter and display module, this system can be made to have can remotely be monitored
Effect.
Accompanying drawing explanation
Fig. 1 is this utility model system principle schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Referring to Fig. 1, this utility model provides a kind of technical scheme: a kind of three phase electric machine reactive power is intelligent
Compensate long distance control system, including intelligent compensation control system and intelligent mobile terminal, intelligent mobile terminal
For mobile phone or computer one therein, intelligent compensation control system include control chip, computation chip,
Voltage zero-cross detection module, current over-zero detection module, capacitor switching unit, signal transceiver one and
RS485 communication module, and capacitor switching unit include drive circuit, MOSFET bridge formula circuit, permanent magnetism with
Step vacuum switch, divide-shut brake controller and energy-storing capacitor module.
Control chip is AVR single chip ATmega128, and computation chip is three-phase electric energy the special metering IC
ATT7022A。
Intelligent mobile terminal include PLC, signal transceiver two, alarm module, A/D converter,
Display module and memory module.
The input of energy-storing capacitor module all defeated with power module in control chip and capacitor switching unit
Go out end to connect；Power module in this utility model can be accumulator, and this power module predominantly controls core
Sheet and energy-storing capacitor module perform the work of supply of electric power.
Control chip is bi-directionally connected with computation chip by SPI communication, and two inputs of computation chip divide
Not being connected with the outfan of voltage transformer and current transformer, three inputs of control chip are respectively
It is connected with the outfan of voltage zero-cross detection module, current over-zero detection module and temperature survey chip.
The outfan of control chip is connected with the drive circuit input in capacitor switching unit, drive circuit
Outfan be connected with the input of permanent-magnet synchronous vacuum switch by MOSFET bridge formula circuit, permanent-magnet synchronous
The outfan of vacuum switch is connected with the input of energy-storing capacitor module by divide-shut brake controller.
Energy-storing capacitor module is shnt capacitor, and this energy-storing capacitor module i.e. electricity of the suitable capacity of parallel connection
Container is installed in place, can carry out switching and compensate the flowing reaching to reduce reactive power, improve merit
The purpose of rate factor, substantially, reactive-load compensation is just equivalent to improve power factor.
Control chip in intelligent compensation control system is bi-directionally connected with signal transceiver one, signal transceiver
One is bi-directionally connected with signal transceiver in intelligent mobile terminal two by RS485 communication module, signal transmitting and receiving
Device two is bi-directionally connected with PLC, one of them outfan of PLC and the input of alarm module
End connects, and alarm module is buzzer siren, and another outfan of PLC passes through A/D converter
Being connected with the input of display module, display module is the display screen of 20 cun, PLC also with storage
Module is bi-directionally connected, and memory module is current version data storage.
When this utility model uses, electrical network to be carried out reactive-load compensation, first have to accurately measure electrical network
The integral status run, these include power factor and Harmonic Conditions in electrical network, meritorious, idle power,
The parameters such as energy.Idle compensating control described in this utility model is based on the special meter of three-phase electric energy
Amount chip ATT7022A realizes, and control chip is AVR single chip ATmega128, and ATmega16
Comparing, it is a single-chip microcomputer of the highest configuration of AVR8 position series monolithic, and have 53 able to programme
I/O port, more convenient on design liquid crystal display and drive circuit, simultaneously it also to have reliability high, smart
The feature that degree is high and stability is high.This control chip can according to ATT7022A provide active power,
Reactive power, power factor are analyzed and are judged whether to reactive-load compensation, automatic switching capacitor, it is achieved
The auto-reactive compensation of power distribution network, improves power transmission efficiency.
During capacitor switching, use the voltage over zero in voltage zero-cross detection module detection electrical network,
Circuit AC signal, through the conversion of three-phase current acquisition module, regulates PWM input signal by controller
Realize controlling drive circuit, thus control MOSFET bridge formula circuit turn-on dutycycle, thus control permanent magnetism
Synchronous vacuum switch, permanent-magnet synchronous vacuum switch, when voltage over zero, sends reclosing command, divide-shut brake
Controller carries out action, puts into energy-storing capacitor module i.e. shnt capacitor；In like manner, permanent-magnet synchronous vacuum is opened
Closing when current zero-crossing point, send separating brake instruction, divide-shut brake controller receives instruction and carries out switch motion,
Electric capacity is excised, thus controlled three phase electric machine is compensated.
Secondly, temperature survey chip and meter can be received by the control chip in intelligent compensation control system
The data signal that amount chip is launched, then by signal transceiver one, RS485 in intelligent compensation control system
The cooperation of the signal transceiver two in communication module and intelligent mobile terminal so that in intelligent mobile terminal
Controller receiving data signal, the analogue signal of reception can be converted to by controller by A/D converter
Digital signal, then shown by display module, meanwhile, when electrical appliance work in intelligent compensation control system
During, when temperature is too high, the controller in mobile intelligent terminal can automatic control alarm module be carried out
Report to the police, so that this system has the effect that can remotely monitor.
In sum: this three phase electric machine reactive power intelligent compensation long distance control system, intelligent compensation is passed through
Various measure voltage & current modules in control system, after accurately detecting the signal of system, are entering
Row automatically controls, and uses intelligent compensation control system to cut and throws the mode of capacitor reliably, and precise control is high；
Secondly, by control chip in intelligent compensation control system, signal transceiver one, RS485 communication module with
And signal transceiver two, controller, alarm module, A/D converter and the display mould in intelligent mobile terminal
The cooperation of block, can make this system have the effect that can remotely monitor.
Embodiment the most of the present utility model, for the ordinary skill people of this area
For Yuan, it is possible to understand that can be real to these in the case of without departing from principle of the present utility model and spirit
Executing example to carry out multiple change, revise, replace and modification, scope of the present utility model is by claims
And equivalent limits.
Claims (5)
1. a three phase electric machine reactive power intelligent compensation long distance control system, controls system including intelligent compensation
System and intelligent mobile terminal, it is characterised in that: described intelligent compensation control system includes control chip, meter
Amount chip, voltage zero-cross detection module, current over-zero detection module, capacitor switching unit, signal transmitting and receiving
Device one and RS485 communication module, and described capacitor switching unit includes drive circuit, MOSFET bridge formula
Circuit, permanent-magnet synchronous vacuum switch, divide-shut brake controller and energy-storing capacitor module；
Described intelligent mobile terminal includes that PLC, signal transceiver two, alarm module, A/D change
Device, display module and memory module；
In described control chip and capacitor switching unit, the input of energy-storing capacitor module is all and power module
Outfan connect；
Described control chip is bi-directionally connected with computation chip by SPI communication, two of described computation chip
Input outfan with voltage transformer and current transformer respectively is connected, the three of described control chip
Individual input respectively with voltage zero-cross detection module, current over-zero detection module and temperature survey chip
Outfan connects；
The outfan of described control chip is connected with the drive circuit input in capacitor switching unit, described
The outfan of drive circuit is connected with the input of permanent-magnet synchronous vacuum switch by MOSFET bridge formula circuit,
The outfan of described permanent-magnet synchronous vacuum switch is by the input of divide-shut brake controller with energy-storing capacitor module
Connect；
Control chip in described intelligent compensation control system is bi-directionally connected with signal transceiver one, described letter
Number transceiver one is bi-directionally connected with signal transceiver in intelligent mobile terminal two by RS485 communication module,
Described signal transceiver two is bi-directionally connected with PLC, one of them output of described PLC
End is connected with the input of alarm module, and another outfan of described PLC is changed by A/D
Device is connected with the input of display module, and described PLC is also bi-directionally connected with memory module.
A kind of three phase electric machine reactive power intelligent compensation long distance control system the most according to claim 1,
It is characterized in that: described control chip is AVR single chip ATmega128.
A kind of three phase electric machine reactive power intelligent compensation long distance control system the most according to claim 1,
It is characterized in that: described computation chip is three-phase electric energy the special metering IC ATT7022A.
A kind of three phase electric machine reactive power intelligent compensation long distance control system the most according to claim 1,
It is characterized in that: described intelligent mobile terminal is mobile phone or computer one therein.
A kind of three phase electric machine reactive power intelligent compensation long distance control system the most according to claim 1,
It is characterized in that: described alarm module is buzzer siren.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299519.9U CN205622564U (en) | 2016-04-08 | 2016-04-08 | Three phase machine reactive power intelligent compensation remote monitering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299519.9U CN205622564U (en) | 2016-04-08 | 2016-04-08 | Three phase machine reactive power intelligent compensation remote monitering system |
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| CN205622564U true CN205622564U (en) | 2016-10-05 |
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| CN201620299519.9U Expired - Fee Related CN205622564U (en) | 2016-04-08 | 2016-04-08 | Three phase machine reactive power intelligent compensation remote monitering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532738A (en) * | 2017-01-03 | 2017-03-22 | 浙江聚弘凯电气有限公司 | Low-voltage intelligent reactive compensation system device |
-
2016
- 2016-04-08 CN CN201620299519.9U patent/CN205622564U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532738A (en) * | 2017-01-03 | 2017-03-22 | 浙江聚弘凯电气有限公司 | Low-voltage intelligent reactive compensation system device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20161005 Termination date: 20180408 |