CN201234165Y - Automatic control apparatus for power distribution system - Google Patents
Automatic control apparatus for power distribution system Download PDFInfo
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- CN201234165Y CN201234165Y CNU2008200709592U CN200820070959U CN201234165Y CN 201234165 Y CN201234165 Y CN 201234165Y CN U2008200709592 U CNU2008200709592 U CN U2008200709592U CN 200820070959 U CN200820070959 U CN 200820070959U CN 201234165 Y CN201234165 Y CN 201234165Y
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides an automatic control device of a power distribution system. The automatic control device comprises a temperature signal collection circuit, a voltage signal collection circuit, a current signal collection circuit, a switch signal detection port circuit, an output control signal port circuit, an integrated electric parameter detection unit circuit, a singlechip system circuit, a transmission-receiving communication module circuit, a data communication interface circuit, an auxiliary working power circuit and a mobile communication base station, wherein the singlechip system circuit is respectively connected with peripheral circuits; and the mobile communication base station provides mobile network service among computers in a power supply station, mobile phones of power managers and the transmission-receiving communication module circuit. The automatic control device has the remarkable advantages of economic and practical use, convenient use, and high operation efficiency, and suits the development of the national situation.
Description
Technical field
The utility model relates to a kind of control device that is used for distribution system, specifically, relates to a kind of distribution system automation control device.
Background technology
The further research of distribution system automation control technology will speed up the process that distribution system automation is controlled; At present, the research of the 10KV circuit distribution automation control technology of electric power system has only just begun starting, but because actuator and data channel infusion of financial resources demand are big, so fail to be generalizable always comprehensively;
For power distribution automation, promptly at the 400V distribution transformer below the 10KV, 10KV on-load switch, block switch, because the cost of end-equipment own is lower, then the corresponding requirements corollary equipment has adaptable cost especially, promptly will consider the designing technique economy;
And for realizing distribution system automation, significant to electric power system, breach needs the refinement management of power use especially during especially current domestic power supply peak under 15% situation, can be to the also energy remote measurement of the direct distribution load of terminal temperature difference, remote control, arriving the power supply end by load control;
The distribution system automation centralized control technique will play very big improvement to the controller switching equipment safe operation, at distribution transformer, 10KV on-load switch, the block switch of operation, owing to can not monitor in real time, be out of order basically at present, be overhauled by user notification; Power supply quality is low, device damage rate height; If can popularize and adapt to the transformation needs of power distribution automation in an all-round way, can play crucial effects the distribution system technological progress.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution that more is tending towards always.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, thus provide a kind of economical and practical, easy to use, operation is efficient, be suitable for the distribution system automation control device of national conditions development.
The purpose of this utility model is to realize by following technical scheme:
A kind of distribution system automation control device, it comprises temperature signal collection circuit, voltage signal acquisition circuit, current signal Acquisition Circuit, switching signal detection port circuit, output control signal port circuit, integrated electrical parameters detection element circuit, microcontroller system circuit, emission received communication modular circuit, data communication interface circuit, back work power circuit and reserve battery charge power supply circuit, and the power supply station's computer, power management staff's mobile phone and the mobile communication base station that are connected with the computer bidirectional communication module;
Described microcontroller system circuit is electrically connected to read various parameters of electric power with described temperature signal collection circuit, described integrated electrical parameters detection element circuit, described switching signal detection port circuit respectively;
Described microcontroller system circuit is electrically connected with described output control signal port circuit to finish abnormal alarm and output control;
Described output control signal port circuit is used for the output port that microcontroller system circuit sends control 10KV disconnect or 400V circuit breaker or the instruction of A.C. contactor break-make;
Described microcontroller system circuit is connected with the described data communication interface circuit signal of telecommunication to finish and the communicating by letter of ancillary equipment;
Described microcontroller system circuit is connected with the two-way communication of described emission received communication modular circuit to finish emission and to receive information;
Described voltage signal acquisition circuit, described current signal Acquisition Circuit are electrically connected with described integrated electrical parameters detection element circuit;
Described back work power circuit and described reserve battery charge power supply circuit provide power supply for each circuit;
Described mobile communication base station is for providing mobile network services between described power supply station computer, described power management staff's mobile phone and the described emission received communication modular circuit.
Based on above-mentioned, described temperature signal collection circuit is used for distribution system transformer selection of temperature signal, and it adopts digital temperature sensor.
Based on above-mentioned, described voltage signal acquisition circuit is used for the sampling of voltage signal, is the voltage signal that A, B, C three-phase alternating current is fit to measurement through resistance step-down output.
Based on above-mentioned, described current signal Acquisition Circuit is used for the sampling of current signal, is the current signal that A, B, C three-phase current is fit to measurement through current transformer and load resistance output.
Based on above-mentioned, the on off state that described switching signal detection port circuit is used for 10KV disconnect or 400V circuit breaker or A.C. contactor detects, and is the external sensor circuit.
Based on above-mentioned, voltage signal, current signal that described integrated electrical parameters detection element circuit is used for sampling insert the electric parameter measurement chip respectively, controlled electrical quantitys such as calculating active energy and outputed to the teletransmission unit by microcontroller system circuit, it adopts the electric parameter measurement integrated chip.
Based on above-mentioned, described emission received communication modular circuit is used to launch the various work notes of alarm signal or parameters of electric power and reception, and it adopts communications transmit received communication module chip.
Based on above-mentioned, described data communication interface circuit is the RS-485 serial data communications busses.
Based on above-mentioned, described back work power circuit is used for AC power is supplied the required dc supply of each circuit through transformer step-down rectifier conversion output, is an auxiliary DC voltage-stabilizing working power that adopts 3 transformer step-down rectifiers.
Based on above-mentioned, described reserve battery charge power supply circuit is used for the charging of reserve battery and the protection of reserve battery, is a protective circuit that comprises reserve battery charging and reserve battery.
The utility model has substantive distinguishing features and progressive with respect to prior art, specifically, this distribution system automation control device can be controlled by comparatively economic, desirable realization distribution system automation, its designing technique has the high characteristics of economy price ratio, realize distribution system automation control for developing country, will play positive facilitation;
This distribution system automation control device utilizes computer technology, single-chip microcomputer detection, control technology and wireless mobile telecommunication technology, thus a kind of digitlization, intelligent monitoring device that is used for Long-distance Control protection, real-time status and the Data Detection function of distribution transformer, 10KV on-load switch, block switch of exploitation; It combines with mobile communication network, computer software and power management staff's mobile phone; can constitute distribution transformer, 10KV on-load switch, the automatic protection of block switch, remote measurement, remote control, remote signalling; and form the distribution safe operation centralized monitoring system of electric power system thus; realize the terminal temperature difference load monitoring, and can realize the power distribution automation management by remote measurement, remote control.
Description of drawings
Fig. 1 is an operation principle schematic diagram of the present utility model;
Fig. 2 is that schematic diagram is transmitted in the communication of the utility model in application;
Fig. 3 is a voltage signal acquisition circuit diagram described in the utility model;
Fig. 4 is a current signal Acquisition Circuit schematic diagram described in the utility model;
Fig. 5 is an integrated electrical parameters detection element circuit schematic diagram described in the utility model;
Fig. 6 is a microcontroller system circuit schematic diagram described in the utility model;
Fig. 7 is an emission received communication modular circuit schematic diagram described in the utility model;
Fig. 8 is an electric parameter measurement integrated chip circuit diagram described in the utility model;
Fig. 9 is an output control signal port circuit schematic diagram described in the utility model;
Figure 10 is a data communication interface circuit diagram described in the utility model;
Figure 11 is a back work power circuit schematic diagram described in the utility model;
Figure 12 is a reserve battery charge power supply circuit diagram described in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
As shown in Figure 1, a kind of distribution system automation control device, it comprises temperature signal collection circuit 102, voltage signal acquisition circuit 103, current signal Acquisition Circuit 104, switching signal detection port circuit 105, output control signal port circuit 106, integrated electrical parameters detection element circuit 107, microcontroller system circuit 108, emission received communication modular circuit 109, data communication interface circuit 110, back work power circuit 111, reserve battery charge power supply circuit 112, compunication modular circuit 113, and the power supply station's computer 114 that is connected with computer bidirectional communication module 113, power management staff's mobile phone 115 and mobile communication base station 116;
Described microcontroller system circuit 108 is connected to read various parameters of electric power with described temperature signal collection circuit 102, described integrated electrical parameters detection element circuit 107, described switching signal detection port circuit 105 signals of telecommunication respectively;
Described microcontroller system circuit 108 is connected with described output control signal port circuit 106 signals of telecommunication to finish abnormal alarm and output control;
Described microcontroller system circuit 108 is connected with described data communication interface circuit 110 signals of telecommunication to finish and the communicating by letter of ancillary equipment;
Described microcontroller system circuit 108 is connected with 109 two-way communications of described emission received communication modular circuit to finish emission and to receive information;
Described voltage signal acquisition circuit 103, described current signal Acquisition Circuit 104 are connected with described integrated electrical parameters detection element circuit 107 signals of telecommunication;
Described back work power circuit 111 and described reserve battery charge power supply circuit 112 provide power supply for each circuit;
Described mobile communication base station 116 is for providing mobile network services between described power supply station computer 114, described power management staff's mobile phone 115 and the described emission received communication modular circuit 109.
Wherein, described temperature signal collection circuit 102 adopts digital temperature sensor, and it is reading temperature data directly, can be used for the transformer temperature rise ratio and detects; Described temperature signal collection circuit 102 head ends are connected in the transformer of distribution system, and tail end is connected in microcontroller system circuit 108;
As shown in Figure 3, described voltage signal acquisition circuit 103 head ends are connected in A phase 220V, the 50Hz alternating current is fit to the voltage signal V2P/V2N that electric energy chip is measured through resistance step-down, output, identical, take out B phase, C phase voltage signal V4P/V4N, V6P/V6N, connected; Its tail end is connected in described integrated electrical parameters detection element circuit 107 inputs; Described voltage signal acquisition circuit 103 be A, B, C three-phase 220V, 50Hz alternating current through the resistance step-down, output is fit to the voltage signal that electric energy chip is measured; Voltage measurement signal V1P-V6P inserts electric parameter measurement integrated chip U1, is calculated overvoltage, under voltage electrical quantity and is outputed to the teletransmission unit by Single-chip Controlling;
As shown in Figure 4, described current signal Acquisition Circuit 104 head ends are connected in the A phase current and are fit to the current signal V1P/V1N that electric energy chip is measured through current transformer and load resistance output, identical, take out B phase, C phase current signal V3P/V3N, V5P/V5N, connected; Its tail end is connected in described integrated electrical parameters detection element circuit 107 inputs; Described current signal Acquisition Circuit 104 is that A, B, C three-phase current are fit to the current signal that electric energy chip is measured through current transformer and load resistance output; Current measurement signal V1N-V6N inserts electric parameter measurement chip U1 respectively, is controlled electrical quantitys such as calculating active energy and is outputed to the teletransmission unit by Single Chip Microcomputer (SCM) system, and electrical energy pulse is isolated output by light idol N1, N2.
But described switching signal detection port circuit 105 1 ends are connected in importation KX external sensor contact, and the other end is connected in microcontroller system circuit and reads the contact state to judge whether warning; Described switching signal detection port circuit 105 is external sensors, and it can detect the connection disjunction state of 10KV circuit breaker and 400V/220V circuit breaker or A.C. contactor switchgear, by Single Chip Microcomputer (SCM) system control computing.
As shown in Figure 5 and Figure 8, described integrated electrical parameters detection element circuit 107 is electric parameter measurement integrated chips, by the electric parameter measurement integrated chip voltage, the current measurement signal that collects inserted single-chip microcomputer respectively, calculate electrical quantitys such as active energy by Single-chip Controlling and output to the teletransmission unit; Electrical energy pulse is isolated output by the light idol.
As shown in Figure 6, described microcontroller system circuit 108 is to be the mechanism of technological core with the Single Chip Microcomputer (SCM) system, and it is connected with integrated electrical parameters detection element circuit chip, the control computation of electrical;
It connects with emission received communication modular circuit, in order to the work of control transmitter module;
It connects with output control signal port circuit, in order to finish abnormal alarm, to export whether the control signal port reports to the police or switching devices is connected disjunction processing instruction etc.;
Simultaneously, it is that the teletransmission unit is connected with the data communication interface circuit, carries out transfer of data, and electrical quantity is sent into the teletransmission unit.
As shown in Figure 7, described emission received communication modular circuit 109 is communications transmit receiver module chips, and itself and Single Chip Microcomputer (SCM) system two-way communication are sent alarm signal or parameters of electric power with short message mode, and being used to receive the work note, its course of work is controlled by Single Chip Microcomputer (SCM) system.
As shown in Figure 9, described output control signal port circuit 106 1 ends are connected in the relay tip that output is controlled to be two-way, the other end is connected in microcontroller system circuit, according to note or other its attracting state of control is set and is used to control 10KV circuit breaker and 400V/220V circuit breaker or A.C. contactor switchgear; Described output control signal port circuit 106 is according to note or other control to be set by single-chip microcomputer whether it reports to the police or switching devices is connected disjunction and handled.
As shown in figure 10, described data communication interface circuit 110 is that one two unit connects to carry out the data transmission by two 485 communication units; Described data communication interface circuit is a kind of RS-485 serial data communications busses, require communication distance be tens meters on during km, can extensively adopt the RS-485 serial bus standard, can save many holding wires when RS-485 is used for multi-point interconnection.
As shown in figure 11, described back work power circuit 111 is auxiliary DC voltage-stabilizing working powers, and it is exported AC power through 3 power transformer step-down rectifier conversion, supplies with the required power supply of each several part;
Because this back work power circuit 111 adopts 3 power transformer step-down rectifiers, when the mains side phase shortage takes place when, can not disintegrate working power, can guarantee that whole device normally moves, also, can read each phase voltage to judge power supply state by Single Chip Microcomputer (SCM) system because these back work power circuit 111 outputs are provided with the test point of three-phase voltage.
As shown in figure 12, described reserve battery charge power supply circuit 112 is circuit that comprise reserve battery charging and reserve battery protection, and it is connected with described back work power circuit 111 voltage stabilizing output+5V end; It can prevent reserve battery overvoltage, overcurrent charging, can or hinder for some reason in mains side generation power failure to carry out when cutting off the electricity supply, and guarantees the normally operation in 24 hours of whole device.
As depicted in figs. 1 and 2, after distribution system 101 puts into operation, under the control of described microcontroller system circuit 108, described integrated electrical parameters detection element circuit 107 in real time, constantly detect on-the-spot operating transformer, 10KV on-load switch, block switch and every parameters of electric power, and constantly read the detecting unit data, carry out judgment processing, as, overload, overvoltage, under-voltage, electric weight etc.;
As the case may be, generate corresponding Chinese short message, described Chinese short message is sent to power supply station's computer 114 or power management staff's mobile phone 115 by described emission received communication modular circuit 109 by described microcontroller system circuit 108;
For the detection of switching value, directly detect by the described switching signal detection port circuit 105 of single-chip microcomputer;
Temperature signal collection adopts digital temperature sensor, directly reading temperature data;
After getting rid of abnormal conditions, can start by power management staff's mobile phone 115 or power supply station's computer 114 and send.
Described distribution system 101 is 10KV distribution line and disconnect and distribution transformer and 400V distribution line and circuit breaker or A.C. contactor, also comprises high-low pressure metering device and control appliance etc.;
Described computer bidirectional communication module 113 be a kind ofly be used to connect computer, the communication module of reporting to the police or the parameters of electric power of instruction of disconnect break-make or needs sends and receives with short message mode;
Described power supply station computer 114 is common computer, i.e. terminal computer;
Described power management staff's mobile phone 115 is regular handsets that distribution system electrician management personnel are used for work;
Described mobile communication base station 116 can provide the mobile network to serve for described power management staff's mobile phone 115.
For improper state operation, simple protective also can be done by system, such as: transformer excess temperature, power supply phase shortage, overvoltage, under voltage etc.
For Remote, remote measurement process, be that described emission received communication modular circuit 109 receives the control note instruction of sending from power supply station's computer 114 or power management staff's mobile phone 115 in real time, as, check meter, control outage, control and send electricity etc., after receiving note by described emission received communication modular circuit 109, described microcontroller system circuit 108 is assert by analysis, and make corresponding actions, as, on-the-spot real time data is sent back to, or the on-the-spot A.C. contactor of start and stop.
This distribution system automation control device can be controlled by comparatively economic, desirable realization distribution system automation, and it will play positive facilitation for developing country's realization distribution system automation control.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1, a kind of distribution system automation control device, it is characterized in that: this distribution system automation control device comprises temperature signal collection circuit, the voltage signal acquisition circuit, the current signal Acquisition Circuit, switching signal detection port circuit, output control signal port circuit, integrated electrical parameters detection element circuit, microcontroller system circuit, emission received communication modular circuit, the data communication interface circuit, back work power circuit and reserve battery charge power supply circuit, and the power supply station's computer that is connected with the computer bidirectional communication module, power management staff's mobile phone and mobile communication base station;
Described microcontroller system circuit is electrically connected to read various parameters of electric power with described temperature signal collection circuit, described integrated electrical parameters detection element circuit, described switching signal detection port circuit respectively;
Described microcontroller system circuit is electrically connected with described output control signal port circuit to finish abnormal alarm and output control;
Described output control signal port circuit is used for the output port that microcontroller system circuit sends control 10KV disconnect or 400V circuit breaker or the instruction of A.C. contactor break-make;
Described microcontroller system circuit is connected with the described data communication interface circuit signal of telecommunication to finish and the communicating by letter of ancillary equipment;
Described microcontroller system circuit is connected with the two-way communication of described emission received communication modular circuit to finish emission and to receive information;
Described voltage signal acquisition circuit, described current signal Acquisition Circuit are electrically connected with described integrated electrical parameters detection element circuit;
Described back work power circuit and described reserve battery charge power supply circuit provide power supply for each circuit;
Described mobile communication base station is for providing mobile network services between described power supply station computer, described power management staff's mobile phone and the described emission received communication modular circuit.
2, a kind of distribution system automation control device according to claim 1, it is characterized in that: described temperature signal collection circuit is used for distribution system transformer selection of temperature signal, and it adopts digital temperature sensor.
3, a kind of distribution system automation control device according to claim 1, it is characterized in that: described voltage signal acquisition circuit is used for the sampling of voltage signal, is the voltage signal that A, B, C three-phase alternating current is fit to measurement through resistance step-down output.
4, a kind of distribution system automation control device according to claim 1, it is characterized in that: described current signal Acquisition Circuit is used for the sampling of current signal, is the current signal that A, B, C three-phase current is fit to measurement through current transformer and load resistance output.
5, a kind of distribution system automation control device according to claim 1 is characterized in that: the on off state that described switching signal detection port circuit is used for 10KV disconnect or 400V circuit breaker or A.C. contactor detects, and is the external sensor circuit.
6, a kind of distribution system automation control device according to claim 1, it is characterized in that: voltage signal, current signal that described integrated electrical parameters detection element circuit is used for sampling insert the electric parameter measurement chip respectively, controlled electrical quantitys such as calculating active energy and outputed to the teletransmission unit by microcontroller system circuit, it adopts the electric parameter measurement integrated chip.
7, a kind of distribution system automation control device according to claim 1, it is characterized in that: described emission received communication modular circuit is used to launch the various work notes of alarm signal or parameters of electric power and reception, and it adopts communications transmit received communication module chip.
8, a kind of distribution system automation control device according to claim 1, it is characterized in that: described data communication interface circuit is the RS-485 serial data communications busses.
9, a kind of distribution system automation control device according to claim 1, it is characterized in that: described back work power circuit is used for AC power is supplied the required dc supply of each circuit through transformer step-down rectifier conversion output, is an auxiliary DC voltage-stabilizing working power that adopts 3 transformer step-down rectifiers.
10, a kind of distribution system automation control device according to claim 1; it is characterized in that: described reserve battery charge power supply circuit is used for the charging of reserve battery and the protection of reserve battery, is a protective circuit that comprises reserve battery charging and reserve battery.
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| CNU2008200709592U CN201234165Y (en) | 2008-06-06 | 2008-06-06 | Automatic control apparatus for power distribution system |
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| CNU2008200709592U CN201234165Y (en) | 2008-06-06 | 2008-06-06 | Automatic control apparatus for power distribution system |
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| CN101873010A (en) * | 2010-07-14 | 2010-10-27 | 河南龙杰电气有限公司 | Intelligent monitoring terminal of electric distribution system |
| CN102136757A (en) * | 2010-01-26 | 2011-07-27 | 陈家斌 | Intelligent control device of 6-20kV ring network switch cabinet |
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| CN105656030A (en) * | 2016-02-16 | 2016-06-08 | 国网山东省电力公司经济技术研究院 | Wide area measurement system and method of low voltage network based on mobile internet |
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2008
- 2008-06-06 CN CNU2008200709592U patent/CN201234165Y/en not_active Expired - Fee Related
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