CN205081479U - A controlling means for balanced governing system of low -voltage load - Google Patents
A controlling means for balanced governing system of low -voltage load Download PDFInfo
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- CN205081479U CN205081479U CN201520876697.9U CN201520876697U CN205081479U CN 205081479 U CN205081479 U CN 205081479U CN 201520876697 U CN201520876697 U CN 201520876697U CN 205081479 U CN205081479 U CN 205081479U
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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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The utility model provides a controlling means for balanced governing system of low -voltage load, a serial communication port, including treater, communication mechanism, signal acquisition mechanism, power machine structure, input/output mechanism and actuating mechanism, the connect the processor of communication mechanism, signal acquisition mechanism be connect the processor and power machine structure respectively, and input/output mechanism is connect the processor and actuating mechanism respectively. The utility model discloses a controlling means for balanced governing system of low -voltage load has simple structure, convenient operation's an advantage, can make to the on -off switch control among the balanced governing system of low -voltage load more intelligently, more accurate through the institutional advancement to controlling means, guarantees the effective regulation to low -voltage load is balanced.
Description
Technical field
The utility model relates to field of electrical equipment, particularly relates to a kind of control device for low-voltage load balance-conditioning system.
Background technology
Three-phase load unbalance is the long-standing production practical problem of low-voltage network, reduces the important indicator that operation and management level improves in three-phase load unbalance Du Shi power supply enterprise.Low-voltage network adopts three-phase four-wire power supply pattern usually, and user mostly is single-phase load or single-phasely mixes load with three-phase.Be no matter residential quarter, the office building of urban distribution network, or the load such as the illumination of rural power grids, water pump, electromechanics, all present larger consumption habit otherness and not predictability.Caused thus low-voltage three-phase load imbalance can bring higher line loss again further, and therefore, three-phase load unbalance is difficult to effectively eliminate completely, and long-term existence and harm are seriously.
At present, for three-phase load unbalance problem, be typically employed on three phase mains and install fling-cut switch additional to carry out load balance adjustment, and by intelligent controller, Based Intelligent Control is carried out to fling-cut switch, more effectively can realize the adjustment to three-phase load unbalance.
But the intelligent controller of current fling-cut switch is also come with some shortcomings, as controlled intelligence not, ever-increasing demand cannot be met, cannot accomplish effectively to distinguish adjustment to the control of different system, make the adjustment of three-phase load unbalance cannot more fast effectively.
Therefore, how effectively to design and a kind ofly more effectively just can become problem demanding prompt solution to the intelligent controlling device that three-phase load unbalance carries out regulable control.
Utility model content
The purpose of this utility model is to provide a kind of control device for low-voltage load balance-conditioning system, by introducing classification fling-cut switch, using controller to control classification fling-cut switch and carrying out intelligent power option, to balance the three-phase load of low-voltage network.
The utility model provides a kind of control device for low-voltage load balance-conditioning system, it is characterized in that, comprises processor, communication means, signals collecting mechanism, administration of power supply, input/output mechanism and driving mechanism;
Communication means connection handling device, for receiving and sending processor signalization and control signal;
Signals collecting mechanism is connection handling device and administration of power supply respectively, carries out processing and generating switch controlling signal, the power supply of delivery circuit is sent to administration of power supply simultaneously and powers to processor for the supply voltage information of collection and current information are sent to processor;
Input/output mechanism is connection handling device and driving mechanism respectively, for receiving the switch controlling signal generated through processor, and is sent to input/output mechanism, controls the folding of driving mechanisms control fling-cut switch by input/output mechanism.
Preferably, also comprise indication mechanism, indication mechanism connecting communication mechanism, comprises touch screen, for information displaying, and the input of control device signalization.
Preferably, the signalization inputted by indication mechanism comprises rated voltage, rated current, active power, reactive power, power factor (PF), three-phase load unbalance degree, voltage harmonic aberration rate.
Preferably, communication means comprises display information communication device, CAN communication equipment, RS232 communication apparatus, RS485/RS232 communication apparatus; And each communication apparatus of communication means is connected respectively the communication interface of processor.
Preferably, communication means also comprises wireless telecommunications system, for the state information of control device is sent to distant place control appliance.
Preferably, the AD conversion interface of signals collecting mechanism connection handling device.
Preferably, the input interface of input/output mechanism connection handling device and output interface.
Power distribution network low-voltage load balance regulator of the present utility model has simple, the easy to operate advantage of structure, more intelligent, more accurate by making the architecture advances of control device the fling-cut switch control in low-voltage load balance-conditioning system, ensure the effective adjustment to low-voltage load balance.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of an embodiment of power distribution network low-voltage load balance regulator of the present utility model.
Fig. 2 is the connection layout of an embodiment of power distribution network low-voltage load balance regulator of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structure chart of an embodiment of power distribution network low-voltage load balance regulator of the present utility model; Fig. 2 is the connection layout of an embodiment of power distribution network low-voltage load balance regulator of the present utility model.
As shown in Figure 1 and Figure 2, the present embodiment a kind of control device for low-voltage load balance-conditioning system is provided, it is characterized in that, comprise processor, communication means, signals collecting mechanism, administration of power supply, input/output mechanism and driving mechanism;
Communication means connection handling device, for receiving and sending processor signalization and control signal;
Signals collecting mechanism is connection handling device and administration of power supply respectively, carries out processing and generating switch controlling signal, the power supply of delivery circuit is sent to administration of power supply simultaneously and powers to processor for the supply voltage information of collection and current information are sent to processor;
Input/output mechanism is connection handling device and driving mechanism respectively, for receiving the switch controlling signal generated through processor, and is sent to input/output mechanism, controls the folding of driving mechanisms control fling-cut switch by input/output mechanism.
Concrete, communication means is connected to display translation interface, CAN communication interface, the RS232 interface of processor, carries out the operation such as communication, display of data message.
Signals collecting mechanism is connected to the AD conversion interface of processor, and the delivery circuit voltage collected, current information are carried out analog-to-digital conversion.
The power interface that administration of power supply is connected to processor is that processor carries out powered operation.
The input interface of input/output mechanism difference connection handling device and output interface, for sending fling-cut switch work state information and sending fling-cut switch control signal to processor.
Signals collecting mechanism is also connected with administration of power supply, carries out transformation operation by the power delivery on delivery circuit to administration of power supply, thinks that processor is powered.
Input/output mechanism also connects driving mechanism, to be carried out that driving switch is closed, open operation by driving mechanism according to the switch controlling signal of input/output mechanism.
Also indication mechanism is comprised in control device, in indication mechanism, touch screen is by the display information communication device in connecting communication mechanism, be used for the display of the information of carrying out, and the input to signalizations such as control device rated voltage, rated current, active power, reactive power, power factor (PF), three-phase load unbalance degree, voltage harmonic aberration rates, with correspondence, respective settings is carried out to control device.
CAN communication equipment, RS232 communication apparatus, RS485/RS232 communication apparatus, wireless telecommunications system is also comprised, for controlling the communication of control device, as communicated with the communication of computer, remote control equipment in communication means.
The specific works step of a kind of control device for low-voltage load balance-conditioning system of the present embodiment is:
(1) signals collecting mechanism to be connected on delivery circuit and to gather the voltage signal of delivery circuit, current signal, is sent in the AD conversion of processor, carries out AD conversion by the power information collected.
(2) processor calculates the data such as voltage effective value, current effective value, active power, reactive power, power factor, voltage harmonic after the power supply signal received being carried out analyze its information such as reactive current, branch current, then according to the data genaration switch controlling signal calculated, and input/output mechanism is sent to.
(3), after the switch controlling signal that receives is analyzed according to the fling-cut switch conducting of correspondence, disconnection by input/output mechanism, control connected driving mechanism and carry out corresponding fling-cut switch and carry out switching action.
(4) in the operation conditions of the current low-voltage load balance-conditioning system of the touch-control screen display of indication mechanism, carry out the input of the set informations such as rated voltage, rated current, active power, reactive power, power factor (PF), three-phase load unbalance degree, voltage harmonic aberration rate by the input on touch screen, the set information after input is sent in processor by communication means simultaneously.
(5) after processor receives set information, the relevant parameter of low-voltage load balance-conditioning system is set.
(6) by the RS232 communication apparatus of communication means, RS232/RS485 communication apparatus or wireless telecommunications system connection control computer or remote controllers, for carrying out the transmission of set information, control information etc. to low-voltage load balance-conditioning system, the low-voltage load balance-conditioning system controlled by control device is run according to particular requirement.
(7) current state information of fling-cut switch can be sent to processor by input/output mechanism, make processor can obtain the operating state of fling-cut switch, and be sent to indication mechanism and show, after the current operating state of simultaneous processor by understanding fling-cut switch, the inessential work of fling-cut switch can be reduced when transmitting control signal, reduce system consumption, energy savings.
The control device for low-voltage load balance-conditioning system of the present embodiment has simple, the easy to operate advantage of structure, by control device can be convenient realization to the control of low-voltage load balance-conditioning system, the problem of three-phase load unbalance is effectively solved.
Control device for low-voltage load balance-conditioning system of the present utility model has simple, the easy to operate advantage of structure, more intelligent, more accurate by making the architecture advances of control device the fling-cut switch control in low-voltage load balance-conditioning system, ensure the effective adjustment to low-voltage load balance.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. for a control device for low-voltage load balance-conditioning system, it is characterized in that, comprise processor, communication means, signals collecting mechanism, administration of power supply, input/output mechanism and driving mechanism;
Described communication means connects described processor, for receiving and sending described processor signalization and control signal;
Described signals collecting mechanism connects described processor and administration of power supply respectively, carry out processing and generating switch controlling signal for the supply voltage information of collection and current information are sent to described processor, the power supply of delivery circuit is sent to described administration of power supply simultaneously and described processor is powered;
Described input/output mechanism connects described processor and driving mechanism respectively, for receiving the switch controlling signal generated through described processor, and be sent to described input/output mechanism, control the folding of described driving mechanisms control fling-cut switch by described input/output mechanism.
2. a kind of control device for low-voltage load balance-conditioning system according to claim 1, is characterized in that, also comprise indication mechanism, described indication mechanism connects described communication means, comprising touch screen, for information displaying, and the input of control device signalization.
3. a kind of control device for low-voltage load balance-conditioning system according to claim 2, it is characterized in that, the signalization inputted by described indication mechanism comprises rated voltage, rated current, active power, reactive power, power factor (PF), three-phase load unbalance degree, voltage harmonic aberration rate.
4. a kind of control device for low-voltage load balance-conditioning system according to claim 1, is characterized in that, described communication means comprises display information communication device, CAN communication equipment, RS232 communication apparatus, RS485/RS232 communication apparatus; And each communication apparatus of described communication means is connected respectively the communication interface of described processor.
5. a kind of control device for low-voltage load balance-conditioning system according to claim 4, it is characterized in that, described communication means also comprises wireless telecommunications system, for the state information of described control device is sent to distant place control appliance.
6. a kind of control device for low-voltage load balance-conditioning system according to claim 1, is characterized in that, described signals collecting mechanism connects the AD conversion interface of described processor.
7. a kind of control device for low-voltage load balance-conditioning system according to claim 1, is characterized in that, described input/output mechanism connects input interface and the output interface of described processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520876697.9U CN205081479U (en) | 2015-11-05 | 2015-11-05 | A controlling means for balanced governing system of low -voltage load |
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| CN201520876697.9U CN205081479U (en) | 2015-11-05 | 2015-11-05 | A controlling means for balanced governing system of low -voltage load |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221941A (en) * | 2016-11-18 | 2017-09-29 | 都书言 | A kind of low voltage electric network energy distributor and its control method |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221941A (en) * | 2016-11-18 | 2017-09-29 | 都书言 | A kind of low voltage electric network energy distributor and its control method |
| CN107221941B (en) * | 2016-11-18 | 2019-12-31 | 都书言 | Low-voltage power grid energy distributor and control method thereof |
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