CN101900801B - Intelligent electric energy meter field test device and test method thereof - Google Patents
Intelligent electric energy meter field test device and test method thereof Download PDFInfo
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Abstract
The invention relates to an intelligent electric energy meter field test device and a test method thereof. The test device comprises a micro controller, a metering unit, a communication interface unit, a memorizer, an input part, a current acquisition channel and a voltage acquisition channel, a clock module and a pulse input unit; wherein the micro controller receives a control instruction of the input part and sends out an operation signal to the communication interface unit, the memorizer, a displaying part and the clock module; the metering unit carries out filtering, amplifying, sampling and digital signal processing on analogue signals transmitted by the current acquisition channel and the voltage acquisition channel, so as to convert the analogue signals into digital signals, and the digital signals are sent to the micro controller; the communication interface unit carries out data communication with an electric energy meter and downloads a user file from a server, and the user file is uploaded to the micro controller, and data of field test is uploaded and recorded into the server. The invention has the advantage that whether all the functions of intelligent electric energy meter are in normal operation or not can be determined by virtue of field test and diagnosis without interruption of power supply, modifying field primary and secondary loops or changing the state of the relay of the electric energy meter.
Description
Technical field
The present invention relates to a kind of pick-up unit, relate in particular to a kind of intelligent electric energy meter on-site detecting device and detection method.
Background technology
In recent years, China pays much attention to the intelligent grid construction.Premier Wen Jiabao stresses in the government work report in 2010, " develop low carbon technique energetically, promote high-efficiency energy-saving technology, develop actively new and renewable sources of energy, the construction of reinforcement intelligent grid.”
Intelligent grid will promote the realization of " interaction " electricity consumption---power grid enterprises and user interaction are regulated the peak of power consumption load.The power mode of this interaction requires electric energy meter to possess functions such as bidirectional measuring, rate control, communication, and therefore, intelligent electric energy meter arises at the historic moment.
In October, 2009, State Grid Corporation of China has formulated " intelligent electric energy meter technical manual ".Meet the electric energy meter 26 provinces all-round popularization in the national grid scope of " intelligent electric energy meter technical manual " at present.Intelligent electric energy meter is development on the electronic electric energy meter basis, except original unidirectional function of measuring, has also expanded a lot of new functions.The function of the intelligent electric energy meter that " intelligent electric energy meter technical manual " requires comprises: the bidirectional measuring function, take the control function, and measure and monitoring function event recording function; The tariff period function, Presentation Function, warning function; Freezing function, clocking capability, pulse output function.
Intelligent electric energy meter is as the product of newly developing; Though passed through the DianKeYuan detection that national grid is arranged, all not through the test of on-the-spot operation, especially part producer is the economic pursuit interests; Reduce the electric energy meter cost, brought a series of operation hidden danger for some field erected intelligent electric energy meters.Because intelligent electric energy meter has multinomial operation function; Wherein one or multinomial function break down; If function of measuring is talked about normally, existing on-site detecting device can not carry out other Function detection and the fault diagnosis of intelligent electric energy meter like devices such as electric energy meter on-site calibrators.Some intelligent electric energy meters move in spite of illness, and the electricity metering data are inaccurate, the unnecessary economic loss of all bringing for electric company and power consumer.
Summary of the invention
In order to solve the problems of the technologies described above the present invention a kind of intelligent electric energy meter on-site detecting device and detection method are provided; Purpose is that the intelligent electric energy meter of scene operation is done comprehensive Function detection; The on-the-spot electric energy meter of operation in spite of illness of in time finding; Make electric energy meter really realize intellectuality, improve the utilization ratio of electric energy.
For reaching above-mentioned purpose intelligent electric energy meter on-site detecting device of the present invention; Constitute by following structure: microcontroller, the steering order of reception input part is to communications interface unit, storer, display part and clock module operation signal; And the raw measurement data of collection metering units; And the data that the measurement data of gathering and communications interface unit are received electric energy meter are compared, judge whether the electric energy meter measurement data is overproof, and comparing result is shown at display part; Metering units current acquisition passage and the next simulating signal of voltage acquisition channel transfer, converts the measurement data of digital signal to after process filtering, amplification, sampling and the digital signal processing, and offers microcontroller; Communications interface unit, carry out data communication with electric energy meter and from server the download user archives, and send microcontroller to, the data of uploading on-the-spot test with record in the server; Storer is stored the files on each of customers that microcontroller receives, and to microcontroller the files on each of customers of storage is provided with field electric energy table detection data and record; Input part is to the microcontroller input control order; Display part shows the testing result of microcontroller and the parameter of importing to microcontroller that is provided with; Current acquisition passage and voltage acquisition passage are gathered the electric current and the voltage signal of electric energy meter; Clock module provides clock signal to microcontroller, and proofreads according to the clock signal that microcontroller provides; The pulse input block receives the pulse input signal of electric energy meter, and pulse input signal is sent to microcontroller.
The intelligent electric energy meter on-site detecting device also comprises following structure: the ESAM module: be used for the message exchange safety certification, to the data encryption and decryption to guarantee safety of data transmission and integrality; The IC-card module is sent to microcontroller with the information of CPU card, and according to the control of microcontroller to CPU card writing information; Alarm unit is reported to the police according to the alerting signal of microcontroller, and wherein alarm unit comprises warning LED lamp and hummer.
Described communications interface unit comprises electric energy meter communications interface unit and computing machine/printer communication interface portion, and the electric energy meter communications interface unit comprises infrared communication circuit and RS485 circuit.
Described electric energy meter communications interface unit also comprises the carrier communication circuit; Computing machine/printer communication interface portion comprises USB circuit, RS232 circuit or RS485 circuit.
Described input part comprises numerical key, directionkeys, ESC Escape, acknowledgement key, start key, printing key, shutter key and key backlight; Current acquisition passage and voltage acquisition passage are respectively current clamp and voltage clamp; The pulse input block is light pulse input detecting circuit or electric pulse input detecting circuit; Files on each of customers is the operational factor and the data of electric energy meter; The raw measurement data of metering units 6 is electric flux, active power, reactive power, power factor, branch phase voltage, divides phase current, frequency, harmonic wave, phase sequence, electric current and instantaneous voltage.
The detection method of intelligent electric energy meter on-site detecting device is made up of following step: communicate through communications interface unit and server earlier, download user's to be measured files on each of customers, be stored in the storer; Detect behind the scene be divided into that the electric energy meter measuring accuracy detects, the detection of electric energy meter communication function and the detection of electric energy meter operational factor and data; Wherein the electric energy meter measuring accuracy detects and is: whether metering electric energy and the resultant metering electric energy of metering units that the pulse signal that microcontroller receives according to the pulse input block obtains electric energy meter compare overproof; The detection of electric energy meter communication function: the communications interface unit of communications interface unit and electric energy meter is communicated test, judge whether normally to receive and dispatch message; The detection of electric energy meter operational factor and data is to judge whether normally from communications interface unit reception electric energy meter operational factor and data according to microcontroller.
Described user to be measured suspects unusual user is arranged or need the user of generaI investigation regularly for the big community user of line loss, the long-range user that can't check meter, meter reading data.
During described electric energy meter measuring accuracy detects; Metering units is passed to microcontroller with the analog signal conversion electric quantity data of current clamp and voltage clamp collection; Microcontroller calculates the electrical energy meter accuracy error to the impulse electric charge data contrast of these data and electric energy meter input; When tested electric energy meter is the three-phase four-wire system electric energy meter; Yellow, green, red, black four voltage clamps connect respectively on A, B, C three-phase phase line and the zero line of electric energy meter, and A, B, C three-phase current pincers are clipped in respectively on electric energy meter A, B, the C phase current lambda line; When tested electric energy meter is the three-phase three-wire system electric energy meter; Yellow, green, red, black four voltage clamps connect respectively on A, B, C three-phase phase line and the zero line of electric energy meter; Green voltage clamp and black voltage pincers also connect, and A phase and C phase current pincers are clipped in respectively on electric energy meter A, the C phase current lambda line; When tested electric energy meter is the single-phase intelligent electric energy meter, the phase line lambda line of A phase current cramp joint electric energy meter, yellow, black two voltage clamps are the phase line and the zero line of order phase electric energy meter respectively.
Communication test when described electric energy meter communication function detects comprises the test of infrared communication circuit, RS485 circuit and carrier communication circuit.
The detection of described electric energy meter operational factor and data comprises: read electric energy meter active power, reactive power, power factor, branch phase voltage, divide phase current, frequency measured data, with the measured value contrast, judge whether the measured value of electric energy meter is overproof; If overproof ± 1%, this electric energy meter are bug list; Read freezing data: read the time and the electric quantity data that regularly freeze, draw regularly freezing curve, differentiate the rationality of the timing freezing data of electric energy meter; Read the time and the electric quantity data that freeze of day, draw a day freezing curve, differentiate electric energy meter day freezing data rationality; Read instantaneous time of freezing and electric quantity data, according to freezing day and the time and the electric quantity data that regularly freeze, differentiate instantaneous freeze whether reasonable; Read the agreement time and the electric quantity data that freeze, according to freezing day and the time and the electric quantity data that regularly freeze, differentiate agreement and whether freeze rationality; Read time and electric quantity data that integral point freezes, draw the integral point freezing curve, differentiate the rationality of the integral point freezing data of electric energy meter; Read logout: read game clock lid record, analyze generation, the finish time of game clock lid incident, whether the section of declaring electric energy meter exists unusual game clock to cover artificial electricity filching behavior; Read the power down record, analyze the moment that power down takes place and finishes, whether the section of declaring electric energy meter exists powered-off fault; Record when reading the school, the moment and operator's code when analyzing the school are when judging whether to exist unusual school; Read Long-distance Control drawing lock logout, analysis is drawn, the combined floodgate incident takes place to judge whether to exist unusual drawing lock incident constantly; Read electric energy meter zero clearing logout, the electric energy data when the generation moment of analysis zero clearing incident and zero clearing judges whether to exist unusual zero clearing incident; Read the electric energy meter programming record, analyze the moment, operator's code, the programming item of programming, judged whether illegal programming; If tested electric energy meter is a three-phase electric energy meter, read each phase decompression record, each phase phase failure record, each phase defluidization record, full decompression record and negative phase sequence logout etc., be convenient to the management of power use and statistical study; Read rate, period and electricity price data: read two cover time zones and the time segment data, with this files on each of customers contrast of storing in the on-site detecting device, judge whether time zone and period operational factor that electric energy meter stores correct; Read the electric energy meter running status, according to this table rate and period parameter, judge the operation that electric energy meter is present point, peak, put down, whether paddy rate value correct; Read the data of two cover rate electricity prices and two cover ladder electricity prices; With this files on each of customers contrast of storing in the on-site detecting device; Whether the electricity price operational factor of judging the electric energy meter storage is correct; If these data are misdata, need read programmed recording profiling error reason, judge whether it is that the people is for changing by mistake operational factor or cheating electricity filching behavior; If not artificial change, then this electric energy meter is a bug list; Read clock of power meter,, judge whether clock of power meter is overproof with the system clock contrast of on-site detecting device, if clock is overproof, record when reading the school, the correctness when analyzing the school, record is errorless during like the school, and this electric energy meter is a bug list; ESAM module with publicly-owned key; Message is sent to electric energy meter through microcontroller and communications interface unit; The message that returns according to the ESAM security module of electric energy meter; The ESAM security module of judging electric energy meter denys the message that identification has publicly-owned key ESAM module, confirms whether the ESAM security module work of electric energy meter is normal; Multifunctional signal output detects: multifunctional signal output is set to the output time signal, utilizes the pulse mouth of pulse input block and tested electric energy meter to join, and detects the time pulse of electric energy meter, and whether the time pulse of differentiating tested electric energy meter is overproof; Multifunctional signal output is set to export period switching signal, and on-site detecting device detects tested electric energy meter period switching signal before and after switching time period, and whether differentiate tested intelligent electric energy meter period switching signal correct.
Advantageous effect of the present invention: need not have a power failure; Electric energy meter ear envelope once and secondary circuit is not opened in the moved scene, does not revise the electric energy meter operational factor; Do not change under the situation of electric energy meter relay status, whether on-the-spot detection and intelligent diagnosis electric energy meter each item function are moved normally.The project that can detect has: the field diagnostic hardware fault comprises whether infrared communication circuit, RS485 circuit, carrier communication circuit, ESAM module and clock module etc. have hardware fault; Whether detect the various freezing data of electric energy meter unusual; Detect point, peak, put down, paddy tariff data and time zone, the time segment data whether unusual; Whether the inspection logout has exception record, judges artificial the intrusion and other electricity filching behavior; Whether the operation of diagnosis clock is normal; The electric energy meter measuring accuracy is detected, judge whether overproof; Whether operational factors such as the active power that the diagnosis electric energy meter is measured, reactive power, power factor, branch phase voltage, branch phase current, frequency are overproof; Whether on-the-spot detection current transformer actual measurement no-load voltage ratio is consistent with nameplate.The on-the-spot electric energy meter of operation in spite of illness of in time finding makes electric energy meter really realize intellectuality, improves the utilization ratio of electric energy.Electric energy meter electric weight freezing data is copied and accepted at the scene; Obtaining the time and date that electric energy meter can on-the-spot be set; Electric energy meter electric weight data are copied and accepted at the scene, and storage and print data are as the foundation of remedying the electricity charge.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, microcontroller; 2, communications interface unit; 3, storer; 4, display part; 5, clock module; 6, metering units; 7, input part; 8, pulse input block; 9, ESAM module; 10, IC-card module; 11, alarm unit; 12, current clamp; 13, voltage clamp; 14, computing machine/printer communication interface portion.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Intelligent electric energy meter on-site detecting device of the present invention as shown in the figure; Constitute by following structure: microcontroller 1, the steering order of reception input part is to communications interface unit 2, storer 3, display part 4 and clock module 5 operation signal; And the raw measurement data of collection metering units 6; And the data that the measurement data of gathering and communications interface unit are received electric energy meter compare, and judge whether the electric energy meter measurement data overproof, and with comparing result in display part 4 demonstrations; Metering units 6 current acquisition passage and the next simulating signal of voltage acquisition channel transfer, converts the measurement data of digital signal to after process filtering, amplification, sampling and the digital signal processing, and offers microcontroller 1; Communications interface unit 2; Receive the signal of electric energy meter transmission and download user archives from server; And send microcontroller 1 to, the data of uploading on-the-spot test with record in the server, the server of indication of the present invention is the various database of information of electric company's leading subscriber; Storer 3 is stored the files on each of customers that microcontroller 1 receives, and to microcontroller 1 files on each of customers of storage is provided with field electric energy table detection data and record; Input part 7 is to microcontroller 1 input control order; Display part 4 shows the testing result of microcontroller 1 and the parameter of importing to microcontroller 1 that is provided with; Current acquisition passage and voltage acquisition passage are gathered the electric current and the voltage signal of electric energy meter; Clock module 5 provides clock signal to microcontroller 1, and proofreads according to the clock signal that microcontroller 1 provides; Pulse input block 8 receives the pulse input signal of electric energy meter, and pulse input signal is sent to microcontroller; ESAM module 9: be used for the message exchange safety certification, carry out encryption and decryption with the data of microcontroller 1 transmission and handle; IC-card module 10 is sent to microcontroller 1 with the information of CPU card, and according to the control of microcontroller 1 to CPU card writing information; Alarm unit 11 is reported to the police according to the alerting signal of microcontroller 1, and wherein alarm unit 11 comprises warning LED lamp and hummer.
Display part is a liquid crystal display; Liquid crystal display shows that metering units is through calculating energy value, active power, reactive power, power factor, branch phase voltage, dividing phase current, frequency, harmonic wave, phase sequence and electric current, instantaneous voltage; These data and the electric energy meter corresponding data contrast of gathering through the electric energy meter communications interface unit; Judge whether the electric energy meter measurement data is overproof, measurement result shows through liquid crystal display;
The detection method of intelligent electric energy meter on-site detecting device is characterized in that being made up of following step: communicate through communications interface unit and server earlier, download user's to be measured files on each of customers, be stored in the storer; Detect behind the scene be divided into that the electric energy meter measuring accuracy detects, the detection of electric energy meter communication function and the detection of electric energy meter operational factor and data; Wherein the electric energy meter measuring accuracy detects and is: whether metering electric energy and the resultant metering electric energy of metering units that the pulse signal that microcontroller receives according to the pulse input block obtains electric energy meter compare overproof; The detection of electric energy meter communication function: the communications interface unit of communications interface unit and electric energy meter is communicated test, judge whether normally to receive and dispatch message; The detection of electric energy meter operational factor and data is to judge whether normally from communications interface unit reception electric energy meter operational factor and data according to microcontroller.
User to be measured suspects unusual user is arranged or need the user of generaI investigation regularly for the big community user of line loss, the long-range user that can't check meter, meter reading data.
During the electric energy meter measuring accuracy detects; Metering units is passed to microcontroller with the analog signal conversion electric quantity data of current clamp and voltage clamp collection; Microcontroller calculates the electrical energy meter accuracy error to the impulse electric charge data contrast of these data and electric energy meter input; When tested electric energy meter is the three-phase four-wire system electric energy meter; Yellow, green, red, black four voltage clamps connect respectively on A, B, C three-phase phase line and the zero line of electric energy meter, and A, B, C three-phase current pincers are clipped in respectively on electric energy meter A, B, the C phase current lambda line; When tested electric energy meter is the three-phase three-wire system electric energy meter; Yellow, green, red, black four voltage clamps connect respectively on A, B, C three-phase phase line and the zero line of electric energy meter; Green voltage clamp and black voltage pincers also connect, and A phase and C phase current pincers are clipped in respectively on electric energy meter A, the C phase current lambda line; When tested electric energy meter is the single-phase intelligent electric energy meter, the phase line lambda line of A phase current cramp joint electric energy meter, yellow, black two voltage clamps are the phase line and the zero line of order phase electric energy meter respectively.
Communication test when the electric energy meter communication function detects comprises the test of infrared communication circuit, RS485 circuit and carrier communication circuit.
The detection of described electric energy meter operational factor and data comprises:
Read electric energy meter active power, reactive power, power factor, branch phase voltage, divide phase current, frequency measured data,, judge whether the measured value of electric energy meter is overproof with the measured value contrast; If overproof ± 1%, this electric energy meter are bug list;
Read freezing data: read the time and the electric quantity data that regularly freeze, draw regularly freezing curve, differentiate the rationality of the timing freezing data of electric energy meter; Read the time and the electric quantity data that freeze of day, draw a day freezing curve, differentiate electric energy meter day freezing data rationality; Read instantaneous time of freezing and electric quantity data, according to freezing day and the time and the electric quantity data that regularly freeze, differentiate instantaneous freeze whether reasonable; Read the agreement time and the electric quantity data that freeze, according to freezing day and the time and the electric quantity data that regularly freeze, differentiate agreement and whether freeze rationality; Read time and electric quantity data that integral point freezes, draw the integral point freezing curve, differentiate the rationality of the integral point freezing data of electric energy meter;
Read logout: read game clock lid record, analyze generation, the finish time of game clock lid incident, whether the section of declaring electric energy meter exists unusual game clock to cover artificial electricity filching behavior; Read the power down record, analyze the moment that power down takes place and finishes, whether the section of declaring electric energy meter exists powered-off fault; Record when reading the school, the moment and operator's code when analyzing the school are when judging whether to exist unusual school; Read Long-distance Control drawing lock logout, analysis is drawn, the combined floodgate incident takes place to judge whether to exist unusual drawing lock incident constantly; Read electric energy meter zero clearing logout, the electric energy data when the generation moment of analysis zero clearing incident and zero clearing judges whether to exist unusual zero clearing incident; Read the electric energy meter programming record, analyze the moment, operator's code, the programming item of programming, judged whether illegal programming; If tested electric energy meter is a three-phase electric energy meter, read each phase decompression record, each phase phase failure record, each phase defluidization record, full decompression record and negative phase sequence logout etc., be convenient to the management of power use and statistical study;
Read rate, period and electricity price data: read two cover time zones and the time segment data, with this files on each of customers contrast of storing in the on-site detecting device, judge whether time zone and period operational factor that electric energy meter stores correct; Read the electric energy meter running status, according to this table rate and period parameter, judge the operation that electric energy meter is present point, peak, put down, whether paddy rate value correct; Read the data of two cover rate electricity prices and two cover ladder electricity prices; With this files on each of customers contrast of storing in the on-site detecting device; Whether the electricity price operational factor of judging the electric energy meter storage is correct; If these data are misdata, need read programmed recording profiling error reason, judge whether it is that the people is for changing by mistake operational factor or cheating electricity filching behavior; If not artificial change, then this electric energy meter is a bug list;
Read clock of power meter,, judge whether clock of power meter is overproof with the system clock contrast of on-site detecting device, if clock is overproof, record when reading the school, the correctness when analyzing the school, record is errorless during like the school, and this electric energy meter is a bug list;
Have the ESAM module of publicly-owned key, message is sent to electric energy meter through microcontroller and communications interface unit, the message that returns according to the ESAM security module of electric energy meter; The ESAM security module of judging electric energy meter denys that identification has the message that publicly-owned key ESAM module is sent; Microcontroller receives the message that electric energy meter ESAM security module is returned, if expressly, microcontroller is directly judged; If need the message of translation; Microcontroller is sent to the ESAM module with the message that returns and translates, and delivers to microcontroller again after the translation of ESAM module and further judges, confirms whether the ESAM security module work of electric energy meter is normal;
Multifunctional signal output detects: multifunctional signal output is set to the output time signal, utilizes the pulse mouth of pulse input block and tested electric energy meter to join, and detects the time pulse of electric energy meter, and whether the time pulse of differentiating tested electric energy meter is overproof; Multifunctional signal output is set to export period switching signal, and on-site detecting device detects tested electric energy meter period switching signal before and after switching time period, and whether differentiate tested intelligent electric energy meter period switching signal correct.
Claims (10)
1. intelligent electric energy meter on-site detecting device; It is characterized in that constituting by following structure: microcontroller, the steering order of reception input part is to communications interface unit, storer, display part and clock module operation signal; And the raw measurement data of collection metering units; And the data that the raw measurement data gathered and communications interface unit are received intelligent electric energy meter are compared, judge whether the intelligent electric energy meter raw measurement data is overproof, and comparing result is shown at display part; Metering units current acquisition passage and the next simulating signal of voltage acquisition channel transfer, converts the raw measurement data of digital signal to after process filtering, amplification, sampling and the digital signal processing, and offers microcontroller; Communications interface unit, carry out data communication with intelligent electric energy meter and from server the download user archives, and send microcontroller to, upload the site intelligent electric energy meter and detect data and record in the server; Storer is stored the files on each of customers that microcontroller receives, and to microcontroller the files on each of customers of storage is provided with site intelligent electric energy meter detection data and record; Input part is to the microcontroller input control order; Display part shows the comparing result of microcontroller and the parameter of importing to microcontroller that is provided with; Current acquisition passage and voltage acquisition passage are gathered the electric current and the voltage signal of intelligent electric energy meter; Clock module provides clock signal to microcontroller, and proofreads according to the clock signal that microcontroller provides; The pulse input block receives the pulse input signal of intelligent electric energy meter, and pulse input signal is sent to microcontroller.
2. intelligent electric energy meter on-site detecting device according to claim 1 is characterized in that also comprising following structure: the ESAM module: be used for the message exchange safety certification, to the data encryption and decryption to guarantee safety of data transmission and integrality; The IC-card module is sent to microcontroller with the information of CPU card, and according to the control of microcontroller to CPU card writing information; Alarm unit is reported to the police according to the alerting signal of microcontroller, and wherein alarm unit comprises warning LED lamp and hummer.
3. intelligent electric energy meter on-site detecting device according to claim 1; It is characterized in that described communications interface unit comprises intelligent electric energy meter communications interface unit and computing machine/printer communication interface portion, the intelligent electric energy meter communications interface unit comprises infrared communication circuit and RS485 circuit.
4. intelligent electric energy meter on-site detecting device according to claim 3 is characterized in that described intelligent electric energy meter communications interface unit also comprises the carrier communication circuit; Computing machine/printer communication interface portion comprises USB circuit, RS232 circuit or RS485 circuit.
5. intelligent electric energy meter on-site detecting device according to claim 1 is characterized in that described input part comprises numerical key, directionkeys, ESC Escape, acknowledgement key, start key, printing key, shutter key and key backlight; Current acquisition passage and voltage acquisition passage are respectively current clamp and voltage clamp; The pulse input block is light pulse input detecting circuit or electric pulse input detecting circuit; Files on each of customers is the operational factor and the data of intelligent electric energy meter; The raw measurement data of metering units is electric flux, active power, reactive power, power factor, branch phase voltage, divides phase current, frequency, harmonic wave and phase sequence.
6. the detection method of intelligent electric energy meter on-site detecting device according to claim 1 is characterized in that being made up of following step: communicate through communications interface unit and server earlier, download user's to be measured files on each of customers, be stored in the storer; Detect behind the scene be divided into that the intelligent electric energy meter measuring accuracy detects, the detection of intelligent electric energy meter communication function and the detection of intelligent electric energy meter operational factor and data; Wherein the intelligent electric energy meter measuring accuracy detects and is: whether metering electric energy and the resultant metering electric energy of metering units that the pulse signal that microcontroller receives according to the pulse input block obtains intelligent electric energy meter compare overproof; The detection of intelligent electric energy meter communication function: the communications interface unit of communications interface unit and intelligent electric energy meter is communicated test, judge whether normally to receive and dispatch message; The detection of intelligent electric energy meter operational factor and data is to judge whether normally from communications interface unit reception intelligent electric energy meter operational factor and data according to microcontroller.
7. the detection method of intelligent electric energy meter on-site detecting device according to claim 6 is characterized in that current acquisition passage and voltage acquisition passage are respectively current clamp and voltage clamp; During described intelligent electric energy meter measuring accuracy detects; Metering units is passed to microcontroller with the analog signal conversion electric quantity data of current clamp and voltage clamp collection; Microcontroller calculates the intelligent electric energy meter trueness error to the impulse electric charge data contrast of these data and intelligent electric energy meter input; When tested intelligent electric energy meter is the three-phase four-wire system intelligent electric energy meter; Yellow, green, red, black four voltage clamps connect respectively on A, B, C three-phase phase line and the zero line of three-phase four-wire system intelligent electric energy meter, and A, B, C three-phase current pincers are clipped in respectively on three-phase four-wire system intelligent electric energy meter A, B, the C phase current lambda line; When tested intelligent electric energy meter is the three-phase three-wire system intelligent electric energy meter; Yellow, green, red, black four voltage clamps connect respectively on A, B, C three-phase phase line and the zero line of three-phase three-wire system intelligent electric energy meter; Green voltage clamp and black voltage pincers also connect, and A phase and C phase current pincers are clipped in respectively on three-phase three-wire system intelligent electric energy meter A, the C phase current lambda line; When tested intelligent electric energy meter is the single-phase intelligent electric energy meter, the phase line lambda line of A phase current cramp joint single-phase intelligent electric energy meter, yellow, black two voltage clamps are the phase line and the zero line of order phase intelligent electric energy meter respectively.
8. the detection method of intelligent electric energy meter on-site detecting device according to claim 6 is characterized in that communication test when described intelligent electric energy meter communication function detects comprises the test of infrared communication circuit, RS485 circuit and carrier communication circuit.
9. the detection method of intelligent electric energy meter on-site detecting device according to claim 6 is characterized in that the detection of described intelligent electric energy meter operational factor and data comprises:
Read intelligent electric energy meter active power, reactive power, power factor, branch phase voltage, divide phase current, frequency measured data,, judge whether the measured value of intelligent electric energy meter is overproof with the measured value contrast; If overproof ± 1%, this intelligent electric energy meter are bug list;
Read freezing data: read the time and the electric quantity data that regularly freeze, draw regularly freezing curve, differentiate the rationality of the timing freezing data of intelligent electric energy meter; Read the time and the electric quantity data that freeze of day, draw a day freezing curve, differentiate intelligent electric energy meter day freezing data rationality; Read instantaneous time of freezing and electric quantity data, according to freezing day and the time and the electric quantity data that regularly freeze, differentiate instantaneous freeze whether reasonable; Read the agreement time and the electric quantity data that freeze, according to freezing day and the time and the electric quantity data that regularly freeze, differentiate agreement and whether freeze rationality; Read time and electric quantity data that integral point freezes, draw the integral point freezing curve, differentiate the rationality of the integral point freezing data of intelligent electric energy meter;
Read logout: read game clock lid record, analyze generation, the finish time of game clock lid incident, whether the section of declaring intelligent electric energy meter exists unusual game clock to cover artificial electricity filching behavior; Read the power down record, analyze the moment that power down takes place and finishes, whether the section of declaring intelligent electric energy meter exists powered-off fault; Record when reading the school, the moment and operator's code when analyzing the school are when judging whether to exist unusual school; Read Long-distance Control drawing lock logout, analysis is drawn, the combined floodgate incident takes place to judge whether to exist unusual drawing lock incident constantly; Read intelligent electric energy meter zero clearing logout, the electric energy data when the generation moment of analysis zero clearing incident and zero clearing judges whether to exist unusual zero clearing incident; Read the intelligent electric energy meter programmed recording, analyze the moment, operator's code, the programming item of programming, judged whether illegal programming; If tested intelligent electric energy meter is the three-phase intelligent electric energy meter, read each phase decompression record, each phase phase failure record, each phase defluidization record, full decompression record and negative phase sequence logout etc., be convenient to the management of power use and statistical study;
Read rate, period and electricity price data: read two cover time zones and the time segment data, with this files on each of customers contrast of storing in the on-site detecting device, judge whether time zone and period operational factor that intelligent electric energy meter stores correct; Read the intelligent electric energy meter running status, according to intelligent electric energy meter rate and period parameter, judge the operation that intelligent electric energy meter is present point, peak, flat, whether paddy rate value correct; Read the data of two cover rate electricity prices and two cover ladder electricity prices; With this files on each of customers contrast of storing in the on-site detecting device; Whether the electricity price operational factor of judging the intelligent electric energy meter storage is correct; If these data are misdata, need read programmed recording profiling error reason, judge whether it is that the people is for changing by mistake operational factor or cheating electricity filching behavior; If not artificial change, then this intelligent electric energy meter is a bug list;
Read the intelligent electric energy meter clock,, judge whether the intelligent electric energy meter clock is overproof with the system clock contrast of on-site detecting device, if clock is overproof, record when reading the school, the correctness when analyzing the school, record is errorless during like the school, and this intelligent electric energy meter is a bug list.
10. the detection method of intelligent electric energy meter on-site detecting device according to claim 6; It is characterized in that also comprising following detection step: to having the ESAM module of publicly-owned key; Message is sent to intelligent electric energy meter through microcontroller and communications interface unit; The message that returns according to the ESAM security module of intelligent electric energy meter; The ESAM security module of judging intelligent electric energy meter denys the message that identification has publicly-owned key ESAM module, confirms whether the ESAM security module work of intelligent electric energy meter is normal;
Multifunctional signal output detects: multifunctional signal output is set to the output time signal, utilizes the pulse mouth of pulse input block and intelligent electric energy meter to join, and detects the time pulse of intelligent electric energy meter, and whether the time pulse of differentiating intelligent electric energy meter is overproof; Multifunctional signal output is set to export period switching signal, and on-site detecting device detects intelligent electric energy meter period switching signal before and after switching time period, and whether differentiate intelligent electric energy meter period switching signal correct.
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