CN203180636U - Low-voltage distribution system operating voltage abnormity remote alarm device - Google Patents

Low-voltage distribution system operating voltage abnormity remote alarm device Download PDF

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Publication number
CN203180636U
CN203180636U CN201320078578XU CN201320078578U CN203180636U CN 203180636 U CN203180636 U CN 203180636U CN 201320078578X U CN201320078578X U CN 201320078578XU CN 201320078578 U CN201320078578 U CN 201320078578U CN 203180636 U CN203180636 U CN 203180636U
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CN
China
Prior art keywords
circuit
signal data
voltage
connects
low
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Expired - Fee Related
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CN201320078578XU
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Chinese (zh)
Inventor
陈家斌
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Zhumadian Power Supply Co of Henan Electric Power Co
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Zhumadian Power Supply Co of Henan Electric Power Co
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Priority to CN201320078578XU priority Critical patent/CN203180636U/en
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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
    • 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 discloses a low-voltage distribution system operating voltage abnormity remote alarm device, comprising a voltage signal data acquisition circuit, a signal data judgement circuit, a remote communication circuit, and a power supply circuit; wherein the signal data acquisition circuit is connected with the signal data judgement circuit, the signal data judgement circuit is connected with the remote communication circuit; the power supply circuit is connected with the signal data judgement circuit and the remote communication circuit; the signal data acquisition circuit acquires a three-phase voltage signal from a low voltage side of a transformer, and transmits the signal to the signal data judgement circuit, then the signal data judgement circuit is connected with the remote communication circuit, and the remote communication circuit is connected with a distribution network power supply management center circuit or a mobile phone of an operator on duty, the operator on duty processes an alarm as soon as the operator obtains an alarm case. Through the application of the low-voltage distribution system operating voltage abnormity remote alarm device of the utility model, an operating voltage of a low-voltage distribution system can be adjusted timely, thereby ensuring quality of a supply voltage, reducing equipment fault rate, reducing labor intensity of staff, increasing power supply volume, and satisfying the requirements of continuously improved living standard of people.

Description

The unusual distant place of low-voltage distribution system working voltage warning device
Technical field
The utility model relates to the unusual distant place of a kind of low-voltage distribution system working voltage alarm technique, is a kind ofly to carry out a distant place during electric voltage exception when being applied to the low-voltage distribution network operation and report to the police.
Background technology
At present, the electric power of electrical network is delivered to huge numbers of families after by the distribution transformer transformation, the 400V distribution system voltage of operation is owing to can not go and find out what's going in real time, basically being that the working voltage generation is back is unusually handled by the user notification operator on duty, voltage generation abnormality processing time of dragging is long like this, therefore power supply quality is low, to power consumption equipment device damage rate height, big to customer impact, can not satisfy the requirement that living standards of the people improve constantly, if can popularize in an all-round way and use the unusual distant place of low-voltage distribution system working voltage alarm technique, when the low-voltage distribution system working voltage takes place when unusual, maintainer's very first time can in time handle to the scene, shortens time of casualty, improve power supply quality, increase enterprise and social benefit.Active promoting function is also played in development to the distribution system intellectualized technology simultaneously.
Summary of the invention
For solving the above-mentioned defective that prior art exists, the purpose of this utility model is to provide the unusual distant place of a kind of low-voltage distribution system working voltage warning device, have online automatic detection, remote auto warning function, when the low-voltage distribution system working voltage is unusual, can in time report to the police, shorten time of casualty, improve power supply quality.
For achieving the above object, the technical scheme that the utility model is taked is: the unusual distant place of a kind of low-voltage distribution system working voltage warning device is characterized in that: comprise voltage signal data acquisition circuit, signal data decision circuitry, distant place warning circuit and power circuit; Described voltage signal data acquisition circuit connects described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit; Described power circuit connects described signal data decision circuitry and distant place telecommunication circuit; Described voltage signal data acquisition circuit is to gather three-phase voltage signal from the distribution transformer low-pressure side, be transferred to described signal data decision circuitry, the signal data decision circuitry connects described distant place telecommunication circuit, and distant place telecommunication circuit connects distribution power supply management central circuit.
Described signal data decision circuitry comprises the A/D translation circuit, signal judging circuit and executive circuit; Described signal data acquisition circuit is to gather three-phase voltage signal from step down side, be transferred to the A/D translation circuit in the described signal data decision circuitry, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described distant place telecommunication circuit.
Described telecommunication circuit is optical fiber communication circuit or radio communication circuit; Wherein, described optical fiber communication circuit comprises optical fibre communication cable, the optical transceiver circuit; Described optical transceiver circuit comprises optical transmission circuit, optical receiving circuit; Described optical fibre communication cable one end connects the optical transmission circuit of described optical transceiver circuit, described optical transmission circuit connects the executive circuit of described signal data decision circuitry, the optical fibre communication cable other end connects the optical receiving circuit of described optical transceiver circuit, and described optical receiving circuit connects distribution power supply management central circuit.
Wherein, described radio communication circuit comprises radio transmitter, wireless receiving circuit; Described radio transmitter connects the executive circuit of described signal data decision circuitry, described wireless receiving circuit connects distribution power supply management central circuit, and radio transmitter is transmitted into low-voltage distribution system electric voltage exception signal on the receiving circuit at distribution power supply management center or operator on duty's the mobile phone; Described signal transmission circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with the executive circuit of described signal judging circuit, and described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit.
Described power circuit comprises 1 relay, 13 phase air switch and rectifier power source; Described 3 phase air switch mains sides connect L1, L3, the N phase of AC power respectively, switch load side L1 connects normally opened contact one end of described relay coil one end, relay respectively, the normally opened contact other end of relay connects normally-closed contact one end of described relay, described rectifier power source one end respectively, another termination switch load side of the normally-closed contact of relay L3 phase, switch load side N succeeds the electric apparatus coil other end, the rectifier power source other end mutually respectively.
This unusual distant place of low-voltage distribution system working voltage warning device is to utilize advanced electronic technology, develop a kind of for the unusual distant place of low-voltage distribution system working voltage alarming and managing, specifically, this unusual distant place of low-voltage distribution system working voltage warning device technological progress, reasonable in design, desirable realization the unusual distant place of low-voltage distribution system working voltage alarming and managing, will play positive guarantee effect for electric power netting safe running, the concrete advantage of this unusual distant place of low-voltage distribution system working voltage warning device:
1, the installation of the unusual distant place of low-voltage distribution system working voltage warning device is used, and when low-voltage distribution system voltage takes place when unusual, the maintainer can in time handle to the scene, improve power supply quality, reduce the spoilage of power consumption equipment, shorten time of casualty, increase enterprise and social benefit;
2, the installation of the unusual distant place of low-voltage distribution system working voltage warning device is used, and has strengthened the safe operation management of power distribution network, has improved the reliability of power supply greatly, promotes the effect of the safety management integral level of power distribution network.Positive facilitation is also played in development to the distribution system intellectualized technology simultaneously.
Description of drawings
Fig. 1 is the unusual distant place of the utility model low-voltage distribution system working voltage warning device block diagram.
Fig. 2 is power circuit diagram described in the utility model.
Fig. 3 is signal data decision circuitry described in the utility model.
Fig. 4 is optical fiber communication circuit composition frame chart described in the utility model.
Fig. 5 is radio communication circuit circuit composition frame chart described in the utility model.
Fig. 6 is that the signal transmission circuit of radio communication circuit described in the utility model becomes block diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the unusual distant place of the utility model low-voltage distribution system working voltage warning device block diagram, comprises voltage signal data acquisition circuit 1, signal data decision circuitry 2, distant place telecommunication circuit 3, power circuit 4; Described signal data acquisition circuit connects described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit; Described power circuit connects described signal data decision circuitry, distant place telecommunication circuit; Described voltage signal data acquisition circuit is to gather three-phase voltage signal from the distribution transformer low-pressure side, is transferred to described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit, and telecommunication circuit connects distribution power supply management central circuit.
Electric voltage exception distant place warning device is installed on the stand of distribution transformer, when the voltage of the platform district of this distribution transformer low-pressure system operation occurs when unusual, the signal data decision circuitry passes to distant place telecommunication circuit with this electric voltage exception signal immediately, carrying out a distant place reports to the police, this alarm signal is delivered to the operator on duty, and the operator on duty obtains reporting to the police and handles to the scene.
Fig. 2 is power circuit diagram described in the utility model, and described power circuit comprises 1 relay, 13 phase air switch, 1 relay normally open contact, 1 relay normally-closed contact, rectifier power source; Described 3 phase air switch mains sides connect AC power L1, L3, N phase respectively, load side L1 connects coil one end of described relay, normally opened contact one end of relay respectively, the normally opened contact other end of relay connects normally-closed contact one end of described relay, described rectifier power source one end respectively, another termination AC power of the normally-closed contact of relay L3 phase, power supply N connects the coil other end of described relay, the described rectifier power source other end mutually respectively.
This power circuit when this cross streams power supply breaks down, is transformed into another cross streams power supply power supply normally by the power supply of cross streams electricity automatically, has improved the operational reliability of power supply.
Fig. 3 is signal data decision circuitry described in the utility model, comprises A/D translation circuit 31, signal judging circuit 32, executive circuit 33; Described voltage signal data acquisition circuit is to gather three-phase voltage signal from step down side, be transferred to the A/D translation circuit of described signal data decision circuitry, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described telecommunication circuit.
Described voltage signal data acquisition circuit comprises described transformer high and low pressure fuse failure signal acquisition circuit; The voltage signal data acquisition circuit is the phase voltage signal of gathering 3 phases from step down side, be connected to signal data and calculate decision circuitry, the scm software that calculates decision circuitry carries out a phase voltage signal calculating judgement mutually by program, judge the result if 3 phase voltages all are higher than more than the 236V, be judged as overtension; If 3 phase voltages all are lower than below the 205V, be judged as brownout; Voltage is higher than 236V, is lower than 205V by distant place warning circuit newspaper distribution power supply management center.
Fig. 4 is optical fiber communication circuit composition frame chart described in the utility model, and the optical fiber communication circuit comprises optical fibre communication cable 42, optical receiving circuit 43, optical transmission circuit 41; Described optical fibre communication cable one end connects the optical transmission circuit of described optical transceiver circuit, described optical transmission circuit connects the executive circuit of described signal data decision circuitry, the optical receiving circuit of the described optical transceiver circuit of the optical fibre communication cable other end, described optical receiving circuit connect distribution power supply management center.
Low-voltage distribution network signal judging circuit in service judges that 3 phase voltages are higher than all that 236V is above, 3 phase voltages all are lower than 205V when following, the optical transmission circuit that connects telecommunication circuit by the executive circuit of signal judging circuit, optical transmission circuit is light signal with converting electrical signal, transmits the optical receiving circuit at distribution power supply management center by optical fibre communication cable and reports to the police.
Fig. 5 is radio communication circuit composition frame chart described in the utility model, and described radio communication circuit comprises radio transmitter 51, wireless receiving circuit 52; Described radio transmitter connects the executive circuit of described signal data decision circuitry, radio transmitter is transmitted to the wireless receiving circuit at distribution power supply management center, radio transmitter is transmitted into signal on the receiving circuit at distribution power supply management center or operator on duty's the mobile phone, reports to the police.
Fig. 6 is the signal transmission circuit composition frame chart of radio communication circuit described in the utility model, and described signal transmission circuit comprises signal input circuit 55, coding circuit 56, radiating circuit 57; Described signal input circuit is connected with the executive circuit of described signal judging circuit, described signal input circuit output connects described coding circuit, coding circuit connects described radiating circuit, and radiating circuit transfers signals on distribution power supply management center or operator on duty's the mobile phone.
Wireless alarming emissioning circuit can adopt mobile module, also can adopt radio transmitter.
Low-voltage distribution network signal judging circuit judged result in service is if 3 phase voltages all are higher than more than the 236V, 3 phase voltages all are lower than below the 205V, executive circuit by signal judging circuit connects wireless alarming emissioning circuit, carrying out a distant place reports to the police, alarm signal is delivered on operator on duty's the mobile phone, the operator on duty obtains alarm condition and handles at once.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; 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 (4)

1. the unusual distant place of a low-voltage distribution system working voltage warning device is characterized in that: comprise voltage signal data acquisition circuit, signal data decision circuitry, distant place warning circuit and power circuit; Described voltage signal data acquisition circuit connects described signal data decision circuitry, and the signal data decision circuitry connects described distant place telecommunication circuit; Described power circuit connects described signal data decision circuitry and distant place telecommunication circuit; Described voltage signal data acquisition circuit is to gather three-phase voltage signal from the distribution transformer low-pressure side, be transferred to described signal data decision circuitry, the signal data decision circuitry connects described distant place telecommunication circuit, and distant place telecommunication circuit connects distribution power supply management central circuit.
2. the unusual distant place of low-voltage distribution system working voltage as claimed in claim 1 warning device, it is characterized in that: described signal data decision circuitry comprises the A/D translation circuit, signal judging circuit and executive circuit; Described signal data acquisition circuit is to gather three-phase voltage signal from step down side, be transferred to the A/D translation circuit in the described signal data decision circuitry, the A/D translation circuit connects described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described distant place telecommunication circuit.
3. the unusual distant place of low-voltage distribution system working voltage as claimed in claim 1 warning device, it is characterized in that: described telecommunication circuit is optical fiber communication circuit or radio communication circuit;
Wherein, described optical fiber communication circuit comprises optical fibre communication cable, the optical transceiver circuit; Described optical transceiver circuit comprises optical transmission circuit, optical receiving circuit; Described optical fibre communication cable one end connects the optical transmission circuit of described optical transceiver circuit, described optical transmission circuit connects the executive circuit of described signal data decision circuitry, the optical fibre communication cable other end connects the optical receiving circuit of described optical transceiver circuit, and described optical receiving circuit connects distribution power supply management central circuit;
Wherein, described radio communication circuit comprises radio transmitter, wireless receiving circuit; Described radio transmitter connects the executive circuit of described signal data decision circuitry, described wireless receiving circuit connects distribution power supply management central circuit, and radio transmitter is transmitted into low-voltage distribution system electric voltage exception signal on the receiving circuit at distribution power supply management center or operator on duty's the mobile phone; Described signal transmission circuit comprises signal input circuit, coding circuit, radiating circuit; Described signal input circuit is connected with the executive circuit of described signal judging circuit, and described signal input circuit output connects described coding circuit, and coding circuit connects described radiating circuit.
4. the unusual distant place of low-voltage distribution system working voltage as claimed in claim 1 warning device, it is characterized in that: described power circuit comprises 1 relay, 13 phase air switch and rectifier power source; Described 3 phase air switch mains sides connect L1, L3, the N phase of AC power respectively, switch load side L1 connects normally opened contact one end of described relay coil one end, relay respectively, the normally opened contact other end of relay connects normally-closed contact one end of described relay, described rectifier power source one end respectively, another termination switch load side of the normally-closed contact of relay L3 phase, switch load side N succeeds the electric apparatus coil other end, the rectifier power source other end mutually respectively.
CN201320078578XU 2013-02-20 2013-02-20 Low-voltage distribution system operating voltage abnormity remote alarm device Expired - Fee Related CN203180636U (en)

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Application Number Priority Date Filing Date Title
CN201320078578XU CN203180636U (en) 2013-02-20 2013-02-20 Low-voltage distribution system operating voltage abnormity remote alarm device

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Application Number Priority Date Filing Date Title
CN201320078578XU CN203180636U (en) 2013-02-20 2013-02-20 Low-voltage distribution system operating voltage abnormity remote alarm device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105866527A (en) * 2016-03-18 2016-08-17 武汉盛帆电子股份有限公司 Intelligent electric energy meter with power failure event reporting function and application system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105866527A (en) * 2016-03-18 2016-08-17 武汉盛帆电子股份有限公司 Intelligent electric energy meter with power failure event reporting function and application system thereof

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20130904

Termination date: 20160220