CN205427004U - High pressure electric energy measuring cabinet based on real time monitoring - Google Patents
High pressure electric energy measuring cabinet based on real time monitoring Download PDFInfo
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- CN205427004U CN205427004U CN201620246020.1U CN201620246020U CN205427004U CN 205427004 U CN205427004 U CN 205427004U CN 201620246020 U CN201620246020 U CN 201620246020U CN 205427004 U CN205427004 U CN 205427004U
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- 238000009529 body temperature measurement Methods 0.000 abstract 2
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Abstract
The utility model discloses a high pressure electric energy measuring cabinet based on real time monitoring, primary equipment voltage transformer, current transformer all install in high -voltage switch load side, and electric energy meter power supply, acquisition terminal power are supplied with by the voltage transformer secondary side, two voltage transformer of high -voltage switch mains side installation, voltage transformer links to each other with voltage detection circuit, and current transformer links to each other with current detection circuit, and high -voltage switch place return circuit links to each other with temperature measurement circuit, voltage detection circuit, current detection circuit and temperature measurement circuit all link to each other with the controller, the controller is with data upload to the information acquisition main website of gathering, the utility model discloses an electric current, voltage and the temperature of real time monitoring high pressure electric energy measuring cabinet during operation realize the real time monitoring to smart electric meter's operating condition, when the smart electric meter trouble, in time report an emergency and ask for help or increased vigilance and carry out corresponding reply adjustment.
Description
Technical field
This utility model relates to Real-time Monitor Technique field, is specifically related to a kind of proportioning device of high voltage electric energy based on monitoring in real time.
Background technology
Proportioning device of high voltage electric energy includes electric energy meter, acquisition terminal, voltage transformer, current transformer.
At present, in high-voltage metering cubicle, primary equipment voltage, current transformer are mounted on high-voltage switch gear load side, and electric energy meter, acquisition terminal power supply are supplied by voltage transformer secondary side.
Pre paid functionality is all realized by acquisition terminal, and after client buys electricity, institute's purchase of electricity can be remotely issued to terminal by acquisition system automatically, acquisition terminal according to the actual powered down amount of power consumption bales catch or send trip signal；After causing the tripping operation of metering cabinet high-voltage switch gear because of arrearage, its acquisition terminal will be lost the job power supply, cannot issue purchase of electricity, need staff's in-situ processing power transmission after user's power purchase again, it is impossible to realization takes control function automatically.Along with making rapid progress of socio-economic development, the demand of electric power is rapidly increased by all trades and professions, and corresponding metering device quantity is also increasing considerably, and how to improve expense control plant running reliability and becomes the common problem paid close attention to of electric energy metrical specialty.
Additionally, temperature, curtage when it is not run by current proportioning device of high voltage electric energy monitor in real time, when proportioning device of high voltage electric energy breaks down, it is impossible to carry out troubleshooting timely or warning, bring the biggest potential safety hazard to the safe operation of electrical network.
Utility model content
For solving the deficiency that prior art exists, the utility model discloses a kind of proportioning device of high voltage electric energy based on monitoring in real time and method, this utility model patent procedure is simple, simple and clear, it is simple to study understands, acquisition terminal can be made to keep charged when high-voltage switch gear disconnects, accept the power purchase information that system length of run issues in time, realize automatically taking control function, and duty when running proportioning device of high voltage electric energy monitors in real time, reduce safety failure.
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of based on the proportioning device of high voltage electric energy monitored in real time, primary equipment voltage transformer, current transformer are mounted on high-voltage switch gear load side, and electric energy meter electric source, acquisition terminal power supply are supplied by voltage transformer secondary side；
Two voltage transformers are installed in high-voltage switch power supply side, described voltage transformer is connected with voltage detecting circuit, current transformer is connected with current detection circuit, loop, high-voltage switch gear place is connected with temperature sensing circuit, described voltage detecting circuit, current detection circuit and temperature sensing circuit are all connected with controller, and the data of collection are uploaded to information gathering main website by described controller；
The adnexa of proportioning device of high voltage electric energy is additionally provided with high-definition camera, described high-definition camera is used for monitoring the video information near capture proportioning device of high voltage electric energy and being transmitted to information gathering main website by processor, processor includes image recognition processing module, image recognition processing mould is used for identifying the original image information that high-definition camera captures, the characteristic information of the standard that is processed into is calculated by image tracking algorithm, the characteristic information of the standard after processing within a processor is compared with sample information, when inconsistent, information gathering main website will report to the police.Wherein, characteristic information includes the form of object, speed etc..
Further, described voltage transformer uses V-V wiring, and secondary output rated voltage is 100V.
Further, secondary wiring is utilized voltage transformer secondary side and acquisition terminal to be connected.
Further, described information gathering main website includes alarm unit, including signal receiving unit, sound alarm unit and light Alarm Unit；Described signal receiving unit is connected with controller, for receiving the warning signal that controller sends, described sound alarm unit is connected with signal receiving unit, for the control of alarm bell when reporting to the police, described light Alarm Unit is connected with signal receiving unit, for the control of flash lamp when reporting to the police.
Further, processor includes memory module, and in memory module, storage has corresponding sample database, additionally, in memory module, also storage has corresponding time-triggered protocol strategy, and each time carries out corresponding grade classification, and different grades carries out different alarms and reminds.
Further, described voltage detecting circuit includes resistance pressure-dividing network circuit and subtraction circuit, resistance pressure-dividing network circuit includes the first resistance and the second resistance being connected with the first resistance, second resistance is in parallel with electric capacity, and resistance pressure-dividing network circuit is for the tested voltage signal of decay of equal proportion.
Further, subtraction circuit includes operational amplifier, it is connected between operational amplifier positive terminal and ground and has magnetic bead, calculate amplifier negative pole end and divide two-way, one tunnel is connected with adjustable resistance, another road is connected with the resistance being in parallel and condenser network, and the resistance and the condenser network that are in parallel are connected with operational amplifier output terminal.
Further, described current detection circuit includes accurate current sensing resistance, window comparator circuit and the subtraction circuit being sequentially connected with, and described accurate current sensing resistance is connected in tested loop, and tested equal current proportion is converted to voltage signal；Window comparator is for extracting the voltage differential signal of accurate current sensing resistance, and subtraction circuit is for by the decay of voltage differential signal equal proportion.
Further, described temperature sensing circuit includes critesistor IC2, the positive pole termination power of critesistor IC2, the negative pole end of critesistor IC2 is connected with discharge circuit input, resistance and the electric capacity of ground connection also it is parallel with between negative pole end and the positive terminal of amplifier of critesistor IC2, the outfan of discharge circuit is also connected with the input of controller also by capacity earth, the outfan of discharge circuit.
Critesistor act as: perception ambient temperature, and when ambient temperature changes, himself resistance value changes.
Temperature sensing circuit operation principle: temperature sensing circuit passes through a critesistor perception ambient temperature, the resistance of this critesistor becomes one-to-one relationship with ambient temperature, the resistance of real-time critesistor is gathered, it is possible to know the numerical value of current ambient temperature by the circuit that processes below.
Further, described information gathering main website also with Cloud Server communication, the information in information gathering main website is further transmitted to Cloud Server realize data share.
A kind of method of work based on the proportioning device of high voltage electric energy of monitoring in real time, comprises the following steps:
The information that acquisition terminal is gathered by proportioning device of high voltage electric energy passes through communication device transfers to information gathering main website；
Meanwhile, its temperature, voltage and current information operationally is also transmitted to information gathering main website by proportioning device of high voltage electric energy by controller；
Video information around camera collection proportioning device of high voltage electric energy, video information transmission transmits to information gathering main website after further processing to processor；
After arrearage acquisition terminal sends trip signal, metering cabinet high-voltage switch gear disconnects, electrical equipment loses power supply, metering TV power supply on rear side of switch disconnects, and acquisition terminal still normal charging operation, after user's power purchase, institute's purchase of electricity can be remotely issued to acquisition terminal by information gathering main website automatically, it is ensured that take control function properly functioning；
The collection information of the information gathering main website acquisition terminal to uploading is shown, proportioning device of high voltage electric energy temperature, electric current and voltage operationally is monitored in real time, video information near proportioning device of high voltage electric energy is monitored, when the information gathered can not meet the requirement of setting, information gathering main website carries out Realtime Alerts by alarm unit.
The beneficial effects of the utility model:
The voltage detecting circuit of the application.This circuit can be with the tested voltage signal of the acquisition of equal proportion.Meanwhile, this circuit adds magnetic bead element, can filter the High-frequency Interference in tested loop with aftereffect, improves certainty of measurement.
This utility model can realize the continual power supply supply of the acquisition terminal to arrearage, it is to avoid the problem that the acquisition terminal caused because high-voltage switch gear disconnects is not normally functioning.
This utility model realizes the real-time monitoring of the duty to intelligent electric meter by electric current, voltage and temperature during monitoring proportioning device of high voltage electric energy work in real time, when proportioning device of high voltage electric energy fault, alerts in time and tackles adjustment accordingly.
Accompanying drawing explanation
Acquisition terminal power supply wiring figure before Fig. 1 a transformation；
Acquisition terminal power supply wiring figure after Fig. 1 b transformation；
Fig. 2 voltage detecting circuit of the present utility model figure；
Fig. 3 current detection circuit of the present utility model figure；
Fig. 4 temperature sensing circuit of the present utility model figure.
Detailed description of the invention:
Below in conjunction with the accompanying drawings this utility model is described in detail:
A kind of proportioning device of high voltage electric energy based on monitoring in real time, wherein, primary equipment voltage transformer, current transformer are mounted on high-voltage switch gear load side, and electric energy meter electric source, acquisition terminal power supply are supplied by voltage transformer secondary side；
Two voltage transformers are installed in high-voltage switch power supply side, described voltage transformer is connected with voltage detecting circuit, current transformer is connected with current detection circuit, loop, high-voltage switch gear place is connected with temperature sensing circuit, described voltage detecting circuit, current detection circuit and temperature sensing circuit are all connected with controller, and the data of collection are uploaded to information gathering main website by described controller；
The adnexa of proportioning device of high voltage electric energy is additionally provided with high-definition camera, described high-definition camera is used for monitoring the video information near capture proportioning device of high voltage electric energy and being transmitted to information gathering main website by processor, processor includes image recognition processing module, image recognition processing mould is used for identifying the original image information that high-definition camera captures, the characteristic information of the standard that is processed into is calculated by image tracking algorithm, the characteristic information of the standard after processing within a processor is compared with sample information, when inconsistent, information gathering main website will report to the police.Wherein, characteristic information includes the form of object, speed etc..
Before transformation, acquisition terminal power supply wiring is as shown in Figure 1a, after transformation, acquisition terminal power supply wiring is as shown in Figure 1 b, at the long cable section of ingoing line of prepayment metering cabinet, (Switching Power Supply side) installs two, voltage transformer, uses V-V wiring, and secondary output rated voltage is 100V.
Lay 2.5mm2 secondary wiring according to power supply wiring figure voltage transformer secondary side and acquisition terminal to be connected.
In this utility model, in the space at proportioning device of high voltage electric energy place, such as on the wall in room photographic head is installed, utilize the video information near camera collection and this proportioning device of high voltage electric energy, monitor whether dangerous situation, photographic head is also transmitted to information gathering main website by processor, processor includes image recognition processing module, image recognition processing mould is used for identifying the original image information that high-definition camera captures, the characteristic information of the standard that is processed into is calculated by image tracking algorithm, the characteristic information of the standard after processing within a processor is compared with sample information, when inconsistent, information gathering main website will report to the police.Wherein, characteristic information includes the form of object, speed etc..
Information gathering main website includes alarm unit, including signal receiving unit, sound alarm unit and light Alarm Unit；Described signal receiving unit is connected with controller, for receiving the warning signal that controller sends, described sound alarm unit is connected with signal receiving unit, for the control of alarm bell when reporting to the police, described light Alarm Unit is connected with signal receiving unit, for the control of flash lamp when reporting to the police.
Processor includes memory module, and in memory module, storage has corresponding sample database, it addition, also storage has corresponding time-triggered protocol strategy in memory module, carries out corresponding grade classification each time, and different grades carries out different alarms and reminds.
Additionally, when proportioning device of high voltage electric energy being carried out the collection of real-time voltage, temperature and electric current and transmitting to information gathering main website, in information gathering main website, the information collected further is analyzed, when data are undesirable, the alarm unit in information gathering main website sends corresponding warning message.
Disclosed herein as well is a kind of voltage detecting circuit: as in figure 2 it is shown, voltage detecting circuit in the present system, carries detection DC bus-bar voltage, the effect of detection battery tension.
Voltage detecting circuit is made up of resistance pressure-dividing network, subtraction circuit.
The effect of resistance pressure-dividing network is the tested voltage signal of decay of equal proportion, is allowed to meet the needs of DSP sample port.
The effect of subtraction circuit is the difference signal extracting resistance pressure-dividing network, and further for this difference equal proportion is decayed to low amplitude value signal, and flows to the sample port of DSP.In subtraction circuit, add magnetic bead, be used for consuming intrasystem High-frequency Interference composition, improve certainty of measurement.
Disclosed herein as well is a kind of current detection circuit: as it is shown on figure 3, current detection circuit in the present system, carries detection accumulator cell charging and discharging electric current, the effect of photovoltaic panel electric current.
Current detection circuit mainly has accurate current sensing resistance, window comparator, subtraction circuit to constitute.
Accurate current sensing resistance is connected in tested loop, and tested equal current proportion is converted to voltage signal.
The accurate voltage differential signal extracting current sensing resistance of effect of window comparator.
The effect of subtraction circuit is by the decay of voltage differential signal equal proportion, to meet the requirement of DSP analog sampling port.
As shown in Figure 4, described temperature sensing circuit includes critesistor IC2, the positive pole termination power of critesistor IC2, the negative pole end of critesistor IC2 is connected with discharge circuit input, resistance and the electric capacity of ground connection also it is parallel with between negative pole end and the positive terminal of amplifier of critesistor IC2, the outfan of discharge circuit is also connected with the input of controller also by capacity earth, the outfan of discharge circuit.Temperature sensing circuit detection lighting loop outlet temperature.When excess temperature occurs, cut-off loop, protection circuit.Temperature detection of the present utility model provides redundancy analysis function, finds in time and eliminates disaster hidden-trouble.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not to pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (9)
1. a proportioning device of high voltage electric energy based on monitoring in real time, is characterized in that, primary equipment voltage transformer, current transformer are mounted on high-voltage switch gear load side, and electric energy meter electric source, acquisition terminal power supply are supplied by voltage transformer secondary side；
Two voltage transformers are installed in high-voltage switch power supply side, described voltage transformer is connected with voltage detecting circuit, current transformer is connected with current detection circuit, loop, high-voltage switch gear place is connected with temperature sensing circuit, described voltage detecting circuit, current detection circuit and temperature sensing circuit are all connected with controller, and the data of collection are uploaded to information gathering main website by described controller.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, is characterized in that, described voltage transformer uses V-V wiring, and secondary output rated voltage is 100V.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, is characterized in that, utilizes secondary wiring voltage transformer secondary side and acquisition terminal to be connected.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, is characterized in that, described information gathering main website includes alarm unit, including signal receiving unit, sound alarm unit and light Alarm Unit；Described signal receiving unit is connected with controller, for receiving the warning signal that controller sends, described sound alarm unit is connected with signal receiving unit, for the control of alarm bell when reporting to the police, described light Alarm Unit is connected with signal receiving unit, for the control of flash lamp when reporting to the police.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, it is characterized in that, processor includes memory module, in memory module, storage has corresponding sample database, additionally, in memory module, also storage has corresponding time-triggered protocol strategy, and each time carries out corresponding grade classification, and different grades carries out different alarms and reminds.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, it is characterized in that, described voltage detecting circuit includes resistance pressure-dividing network circuit and subtraction circuit, resistance pressure-dividing network circuit includes the first resistance and the second resistance being connected with the first resistance, second resistance is in parallel with electric capacity, and resistance pressure-dividing network circuit is for the tested voltage signal of decay of equal proportion；
Subtraction circuit includes operational amplifier, it is connected between operational amplifier positive terminal and ground and has magnetic bead, calculate amplifier negative pole end and divide two-way, one tunnel is connected with adjustable resistance, another road is connected with the resistance being in parallel and condenser network, and the resistance and the condenser network that are in parallel are connected with operational amplifier output terminal.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, it is characterized in that, described current detection circuit includes accurate current sensing resistance, window comparator circuit and the subtraction circuit being sequentially connected with, described accurate current sensing resistance is connected in tested loop, and tested equal current proportion is converted to voltage signal；Window comparator is for extracting the voltage differential signal of accurate current sensing resistance, and subtraction circuit is for by the decay of voltage differential signal equal proportion.
A kind of proportioning device of high voltage electric energy based on monitoring in real time, it is characterized in that, described temperature sensing circuit includes critesistor IC2, the positive pole termination power of critesistor IC2, the negative pole end of critesistor IC2 is connected with discharge circuit input, also being parallel with resistance and the electric capacity of ground connection between negative pole end and the positive terminal of amplifier of critesistor IC2, the outfan of discharge circuit is also connected with the input of controller also by capacity earth, the outfan of discharge circuit.
A kind of proportioning device of high voltage electric energy based in real time monitoring, is characterized in that, described information gathering main website also with Cloud Server communication, the information in information gathering main website is further transmitted to Cloud Server and realizes sharing of data.
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| CN201620246020.1U CN205427004U (en) | 2016-03-28 | 2016-03-28 | High pressure electric energy measuring cabinet based on real time monitoring |
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| CN201620246020.1U CN205427004U (en) | 2016-03-28 | 2016-03-28 | High pressure electric energy measuring cabinet based on real time monitoring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675942A (en) * | 2016-03-28 | 2016-06-15 | 国网山东省电力公司济宁供电公司 | High-voltage electric energy metering cabinet and method based on real-time monitoring |
| CN106094964A (en) * | 2016-08-19 | 2016-11-09 | 天津市百利电气有限公司 | There is the microprocessor of electric energy sampling differential amplifier circuit |
-
2016
- 2016-03-28 CN CN201620246020.1U patent/CN205427004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675942A (en) * | 2016-03-28 | 2016-06-15 | 国网山东省电力公司济宁供电公司 | High-voltage electric energy metering cabinet and method based on real-time monitoring |
| CN106094964A (en) * | 2016-08-19 | 2016-11-09 | 天津市百利电气有限公司 | There is the microprocessor of electric energy sampling differential amplifier circuit |
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