CN106249194B - A kind of mobile error criterion device and its detection method and system for charging pile error-detecting - Google Patents

A kind of mobile error criterion device and its detection method and system for charging pile error-detecting Download PDF

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Publication number
CN106249194B
CN106249194B CN201610805021.XA CN201610805021A CN106249194B CN 106249194 B CN106249194 B CN 106249194B CN 201610805021 A CN201610805021 A CN 201610805021A CN 106249194 B CN106249194 B CN 106249194B
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error
electric energy
charging pile
sub
ammeter
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CN106249194A (en
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侯铁信
朱海昱
侯飞
熊力
吴畏
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Wuhan National Survey Data Technology Co Ltd
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Wuhan National Survey Data Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current

Abstract

The present invention relates to charging pile technical fields, provide a kind of mobile error criterion device and its detection method and system for charging pile error-detecting.Wherein, electric energy computation chip, radio receiving transmitting module, display screen, memory module and processor are fixed on the console of mobile error criterion device in mobile error criterion device;Console is between power supply interface and vehicle interface;Mechanical lock is additionally provided on console, the tapered end of mechanical lock is located at vehicle interface direction, for living when vehicle interface is inserted into vehicle socket with the mechanical lock slot lock on vehicle socket;Mechanical locked groove is additionally provided on power supply interface.The present invention in existing charging pile by being arranged mobile error criterion device, and Energy Conservation system locating for error criterion device is combined, the electric energy related data that error criterion device itself reported using each sub- ammeter, three-phase kilowatt-hour meter and mobile is detected completes the foundation of equation and solution obtains charging pile electric energy loss.

Description

A kind of mobile error criterion device and its detection method for charging pile error-detecting And system
[technical field]
The present invention relates to charging pile technical fields, more particularly to a kind of mobile error for charging pile error-detecting Standard and its detection method and system.
[background technique]
The function of charging pile is similar to the fuel charger inside gas station, can be fixed on ground or wall, be installed on public It builds in (public building, market, Public Parking etc.) and residential area parking lot or charging station, it can be according to different voltage Grade is that the electric car of various models charges.The input terminal of charging pile is directly connected to AC network, and output end, which is equipped with, to be filled Plug is used to charge for electric car.Charging pile generally provides two kinds of charging modes of normal charge and quick charge, Ren Menke It is used with using specific recharged card to swipe the card on the man-machine interactive interface that charging pile provides, carries out corresponding charging side Operation, the charging pile display screens such as formula, charging time, cost data printing can show the data such as charge volume, expense, charging time.
In the case that charging pile is during installation, particularly residential area charging station is separately installed, electrical energy measurement cannot achieve Error-detecting and monitoring.It needs to send someone to on-site test error or replacement electric energy metering device.
In consideration of it, overcoming defect present in the prior art is the art urgent problem to be solved.
[summary of the invention]
The technical problem to be solved by the present invention is to charging piles in the prior art during installation, particularly residential area charging station In the case where separately installed, electric energy metering error detection and monitoring cannot achieve.It needs to send someone to on-site test error or more Change electric energy metering device, low efficiency and problem at high cost.
The present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of mobile error criterion device for charging pile error-detecting, the shifting Dynamic formula error criterion device includes a power supply interface and a vehicle interface, and the correspondence contact of two interfaces is complete one by one by conducting medium At connection, it is described movable type error criterion device further include electric energy computation chip, radio receiving transmitting module, display screen, memory module and Processor, wherein the electric energy computation chip, radio receiving transmitting module, display screen and memory module are separately connected the processor, Two electric energy detection input interfaces of the electric energy computation chip pass through corresponding conducting medium respectively and connect the error criterion device Charging energize contact, it is specific:
The electric energy computation chip, radio receiving transmitting module, display screen, memory module and the processor are fixed on the shifting On the console of dynamic formula error criterion device;The console is between the power supply interface and vehicle interface;The console On be additionally provided with mechanical lock, the tapered end of the mechanical lock is located at vehicle interface direction, for vehicle interface be inserted into vehicle socket When lived with the mechanical lock slot lock on vehicle socket;Mechanical locked groove is additionally provided on the power supply interface, the machinery locked groove is used for It is lockked when charging gun is inserted into the power supply interface with the mechanical lock on the charging gun.
Preferably, the mechanical lock trench bottom of the power supply interface is equipped with pressure sensor, and the pressure sensor is used for The operation for controlling the mechanical lock of charging gun is passed into the processor, so as to the machinery of processor control vehicle interface side Lock completes corresponding opening and closing.
Preferably, the mobile error criterion device further includes power supply module, the power supply module connection can power contacts, And it converts voltages into for the electric energy computation chip, radio receiving transmitting module, display screen, memory module and the normal work of processor The value of work.
Preferably, the power supply interface and vehicle interface are specially alternating-current charging interface or the power supply interface and vehicle Interface is specially direct-current charging interface.
Second aspect, the present invention provides a kind of charging pile error detection method based on mobile error criterion device, when The charging pile electric energy that error calculation server carries out global error and each charging pile to the charging pile in a specified charging station damages When consumption is calculated, the detection method includes:
One for being used to detect charging pile in the charging station or more of the error calculation server retrieval storage A movable type error criterion device, and according to the electricity passed through in the sub- ammeter for installing the charging gun of the mobile error criterion device Can be identical with the electric energy passed through in the mobile error criterion device, the sub- ammeter of one or more charging gun is calculated Global error value;
The error calculation server is transferred in the charging station of storage on the three-phase kilowatt-hour meter of each charging pile and sub- ammeter The electric energy related data of report;
The error calculation server according to the three-phase kilowatt-hour meter transferred out, the electric energy related data of sub- ammeter, and The global error value of the sub- ammeter of one or more charging gun solved, solve three-phase kilowatt-hour meter, sub- ammeter it is whole Body error and charging pile electric energy loss.
Preferably, the detection method specifically includes:
The power supply interface of the mobile error criterion device is fixed on a charging gun, and its vehicle mouth is inserted into vehicle On socket;
Error calculation server receives the electric energy related data that the mobile error criterion device is sent, and the electric energy is related Data include energy value, the mobile error criterion device ID, the charging pile ID for being currently installed on the mobile error criterion device In one or more;
The error calculation server determines that the mobile error criterion device is detected according to the electric energy related data Charging pile belonging to charging station, and according to corresponding relationship storing data.
Preferably, the error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy dependency number of sub- ammeter According to, and the global error value of the sub- ammeter of one or more charging gun solved, solve three-phase kilowatt-hour meter, son electricity The global error and charging pile electric energy loss of table, specifically include:
The energy value that the error calculation server receives the three-phase kilowatt-hour meter, sub- ammeter reports, establishing includes three-phase electricity The global error of table, the global error of sub- ammeter and charging pile electric energy loss are as variable and one or more sub- ammeter Global error be known constant equation;
The energy value that the error calculation server is reported according to multiple received three-phase kilowatt-hour meter, sub- ammeter, or according to What three-phase kilowatt-hour meter, sub- ammeter reported belongs to the equation group that energy value foundation in different time periods is made of the equation;It is logical It crosses and solves the equation group, the global error and charging pile electric energy loss of the three-phase kilowatt-hour meter and sub- ammeter is calculated.
Preferably, the error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy dependency number of sub- ammeter According to, and the global error value of the sub- ammeter of one or more charging gun solved, solve three-phase kilowatt-hour meter, son electricity The global error and charging pile electric energy loss of table, specifically include:
The energy value and corresponding current value that the error calculation server receives the three-phase kilowatt-hour meter, sub- ammeter reports, according to According to the electric flux accumulated value under the cumulative obtained each current segmenting of line current segmentation of different sizes;It is cumulative by the electric flux Value establishes global error, the global error of sub- ammeter and charging pile electric energy loss comprising three-phase kilowatt-hour meter as variable, Yi Jiyi The global error of a or multiple sub- ammeters is the equation of known constant;
The electric energy dependency number that the movable type error criterion device is reported according to the multiple received three-phase kilowatt-hour meter, sub- ammeter According to, or established by described according to belonging to of reporting of the three-phase kilowatt-hour meter, sub- ammeter electric energy related data in different time periods The equation group that equation is constituted;By solving the equation group, the three-phase kilowatt-hour meter, sub- ammeter is calculated under each current segmenting Global error and corresponding charging pile electric energy loss value.
The third aspect, the present invention provides a kind of charging pile error detecting system based on mobile error criterion device, institutes The system of stating includes error calculation server, charging pile and mobile error criterion device, wherein the movable type error criterion device is used It is used on the charging gun for being mounted on the charging pile, the charging pile and the displacement error standard and the error calculation Establishing between server has data channel, specific:
The charging pile, for sending electric energy related data to the error calculation server;
The movable type error criterion device, for sending electric energy related data to the error calculation server;
One for being used to detect charging pile in the charging station or more of the error calculation server retrieval storage A movable type error criterion device, and according to the electricity passed through in the sub- ammeter for installing the charging gun of the mobile error criterion device Can be identical with the electric energy passed through in the mobile error criterion device, the sub- ammeter of one or more charging gun is calculated Global error value;The error calculation server transfers the three-phase kilowatt-hour meter of each charging pile and son electricity in the charging station of storage The electric energy related data that table reports;The error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy of sub- ammeter Related data, and the global error value of the sub- ammeter of one or more charging gun solved, solve three-phase electricity Table, the global error of sub- ammeter and charging pile electric energy loss.
Preferably, the electric energy related data include energy value, the mobile error criterion device ID, be currently installed on it is described One or more in the charging pile ID of mobile error criterion device, then:
The error calculation server is also used to determine the mobile error criterion device according to the electric energy related data Charging station belonging to charging pile detected, and according to corresponding relationship storing data.
Compared with prior art, the beneficial effects of the present invention are:
The embodiment of the present invention combines error criterion device by the way that mobile error criterion device is arranged in existing charging pile Locating Energy Conservation system, what error criterion device itself reported using each sub- ammeter, three-phase kilowatt-hour meter and mobile was detected Electric energy related data completes the foundation of equation, and brings the equation into using the electric energy related data of different periods and solve To three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.So that operator is according to three-phase kilowatt-hour meter, sub- ammeter Global error and charging pile electric energy loss confirm whether the charging pile is in normal operating conditions.
[Detailed description of the invention]
Fig. 1 is a kind of structure of mobile error criterion device for charging pile error-detecting provided in an embodiment of the present invention Schematic diagram;
Fig. 2 is a kind of structure of mobile error criterion device for charging pile error-detecting provided in an embodiment of the present invention Schematic diagram;
Fig. 3 is a kind of structure of mobile error criterion device for charging pile error-detecting provided in an embodiment of the present invention Schematic diagram;
Fig. 4 is a kind of shielding of mobile error criterion device for charging pile error-detecting provided in an embodiment of the present invention Electromagnetic interference structure schematic diagram;
Fig. 5 is a kind of method flow diagram for charging pile error-detecting provided in an embodiment of the present invention;
Fig. 6 is a kind of loss on transmission schematic illustration provided in an embodiment of the present invention;
Fig. 7 is a kind of method flow diagram for charging pile error-detecting provided in an embodiment of the present invention;
Fig. 8 is a kind of system architecture diagram for charging pile error-detecting provided in an embodiment of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not Constituting conflict can be combined with each other.
Embodiment 1:
The embodiment of the invention provides a kind of mobile error criterion devices for charging pile error-detecting, such as Fig. 1-2 institute Show, the movable type error criterion device includes a power supply interface and a vehicle interface, and the correspondence contact of two interfaces is by conduction Medium is completed to connect one by one, it is described movable type error criterion device further include electric energy computation chip, radio receiving transmitting module, display screen, Memory module and processor, wherein the electric energy computation chip, radio receiving transmitting module, display screen and memory module are separately connected The processor, two electric energy detection input interfaces of the electric energy computation chip pass through respectively described in corresponding conducting medium connection The charging of error criterion device energizes contact, specific:
The electric energy computation chip, radio receiving transmitting module, display screen, memory module and the processor are fixed on the shifting On the console of dynamic formula error criterion device;The console is between the power supply interface and vehicle interface;The console On be additionally provided with mechanical lock, the tapered end of the mechanical lock is located at vehicle interface direction, for vehicle interface be inserted into vehicle socket When lived with the mechanical lock slot lock on vehicle socket;Mechanical locked groove is additionally provided on the power supply interface, the machinery locked groove is used for It is lockked when charging gun is inserted into the power supply interface with the mechanical lock on the charging gun.
The embodiment of the present invention combines error criterion device by the way that mobile error criterion device is arranged in existing charging pile Locating Energy Conservation system, what error criterion device itself reported using each sub- ammeter, three-phase kilowatt-hour meter and mobile was detected Electric energy related data completes the foundation of equation, and brings the equation into using the electric energy related data of different periods and solve To three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.So that operator is according to three-phase kilowatt-hour meter, sub- ammeter Global error and charging pile electric energy loss confirm whether the charging pile is in normal operating conditions.
Movable type error criterion device provided by the embodiment of the present invention is more likely to be available to ordinary user, assists third Side completes each charging pile global error in charging station and calculates use, therefore, be in view of that may need for a long time by the shifting Dynamic formula error criterion device is fixed on a certain charging gun, to complete fairly large data acquisition.Therefore, in conjunction with of the invention real Example 1 is applied there is also a kind of preferred implementation, can be realized and operate the opening and closing of the mechanical lock on script charging gun, After being mounted with the mobile error criterion device, the machine of the vehicle interface side of the mobile error criterion device is mapped directly to Tool lock completes corresponding opening and closing.Specifically, the mechanical lock trench bottom of the power supply interface is equipped with pressure sensor, institute Pressure sensor is stated for the operation for the mechanical lock for controlling charging gun to be passed to the processor, so as to processor control The mechanical lock of vehicle interface side completes corresponding opening and closing.The mode of the mechanical lock of processor control vehicle interface side It can be (structure that current Outline is not directly relevant to is corresponded in figure, and there is no all draw) as shown in Figure 3, mechanical lock It is made of mechanical lock head and mechanical hammerlock, and is provided with shaft between the two;Wherein, it is provided with sheet metal on mechanical hammerlock, institute It states and is provided with electromagnet immediately below sheet metal, the electromagnet works under the control of a processor;On the machinery hammerlock It is additionally provided with spring, the spring user guarantees that mechanical lock head has a downward work in the idle situation of the electromagnet Firmly.Its workflow specifically: when user's control charging gun bounces its mechanical lock, pressure sensor feedback pressure in Fig. 3 Signal has been bounced to processor, the mechanical lock of processor confirmation charging gun, then the power switch of closing electromagnets, so that electromagnetism Iron enters working condition, adsorbs mechanical hammerlock so that mechanical lock head shown in Fig. 3 bounces, has reached mobile error criterion Mechanical lock executes the purpose of simultaneously operating on mechanical lock and charging gun on device.For the operating experience of user, only pass An adapter has been had more on the charging gun of system, and the mode for completing charging interface connection for user does not change.
In conjunction with the embodiment of the present invention, there are a kind of preferred implementation, as shown in figure 4, the electric energy computation chip and Therewith the connected conducting medium position of electric energy detection input interface by the shielding case of maskable electromagnetic interference nesting, the shielding Four outlets and the data conductor port for sending a signal to processor that the conducting medium is only reserved on shell.
The electromagnetic interference that the preferred embodiment can effectively reduce external or internal generation completes electricity to electric energy computation chip It can be influenced caused by metering, ensure that the precision of mobile error criterion device measurement.Fig. 4 is only a schematic diagram, specifically The structure size explanation that can be adjusted according to the size of actual chips size and the conducting medium, and refer to be described Electric energy computation chip is preferably disposed between two conducting mediums of measurement, to reduce electric energy detection input interface and conducting medium Between cabling length, further increase counting accuracy.It should be noted that the two pairs of contacts connected in Fig. 4 by conducting medium, It is respectively that AC power source " L " and middle line " N " (can consult alternating-current charging interface standard GB/T 20234.2- in AC charging rifle 2011);It is respectively that DC power supply positive " DC+ " and DC power supply bear " DC- " and (can consult alternating-current charging interface in DC charging rifle Standard GB/T 20234.3-2011).
The mobile error criterion device that the embodiment of the present invention is proposed can be by built-in battery-operated, can also be by Charging gun can power contacts complete charging or directly power supply.Specifically, the movable type error criterion device further includes power supply Module, power supply module connection can power contacts, and convert voltages into for the electric energy computation chip, wireless receiving and dispatching mould The value that block, display screen, memory module and processor work normally.
In embodiments of the present invention, the power supply interface and vehicle interface are specially alternating-current charging interface or the confession Electrical interface and vehicle interface are specially direct-current charging interface.The schematic diagram provided in Fig. 1 the i.e. movement of alternating-current charging interface mode Formula error criterion device, DC mode can be realized by adjusting interface.
Embodiment 2:
The embodiment of the present invention is in addition to providing a kind of mobile error for charging pile error-detecting as described in Example 1 Outside standard structure, a kind of charging pile error detection method based on mobile error criterion device is additionally provided, as shown in figure 5, When error calculation server carries out the charging pile electric energy of global error and each charging pile to the charging pile in a specified charging station Loss is when being calculated, the detection method and system the following steps are included:
In step 201, what the error calculation server retrieval stored be used to detect charging pile in the charging station One or more mobile error criterion device, and according to the sub- ammeter for the charging gun for installing the mobile error criterion device The electric energy passed through in middle passed through electric energy and the mobile error criterion device is identical, one or more is calculated and fills The global error value of the sub- ammeter of electric rifle.
In step 202, the error calculation server transfers the three-phase electricity of each charging pile in the charging station of storage The electric energy related data that table and sub- ammeter report.
In step 203, the error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy phase of sub- ammeter Close data, and the global error value of the sub- ammeter of one or more charging gun solved, solve three-phase kilowatt-hour meter, The global error and charging pile electric energy loss of sub- ammeter.
The embodiment of the present invention combines error criterion device by the way that mobile error criterion device is arranged in existing charging pile Locating Energy Conservation system calculates the global error of the sub- ammeter of one or more charging gun connected in series first, And the foundation of equation is further completed using the electric energy related data of each sub- ammeter, three-phase kilowatt-hour meter, and utilize different periods Electric energy related data brings the equation into and solves to obtain three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss. So that operator confirms whether the charging pile is according to three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss Normal operating conditions.
Under normal conditions, charging pile proposed in the embodiment of the present invention includes one or more charging gun, corresponds to often One charging gun is provided with that sub- ammeter, one for measuring the three-phase kilowatt-hour meter and rectification module of inputing power.
In conjunction with the embodiment of the present invention, for the step 203, there are a kind of preferred implementations, specifically include:
The energy value that the error calculation server receives the three-phase kilowatt-hour meter, sub- ammeter reports, establishing includes three-phase electricity The global error of table, the global error of sub- ammeter and charging pile electric energy loss are as variable and one or more sub- ammeter Global error be known constant equation;
The energy value that the error calculation server is reported according to multiple received three-phase kilowatt-hour meter, sub- ammeter, or according to What three-phase kilowatt-hour meter, sub- ammeter reported belongs to the equation group that energy value foundation in different time periods is made of the equation;It is logical It crosses and solves the equation group, the global error and charging pile electric energy loss of the three-phase kilowatt-hour meter and sub- ammeter is calculated.
Based on the above-mentioned preferred implementation scheme for step 203, and to the intelligence electricity for completing electrical energy measurement on charging pile The research of table, confirmation intelligent electric meter (on a charging pile, flow through electric current in the case where flowing through the metering environment of different size electric current It can be determined according to the operating mode that it possesses, such as: 450V charge mode, 750 charge modes etc. correspond to different works Make electric current), the global error shown is different, i.e., different measurement electric currents is suitable for different global error values, because There is a kind of mode of more accurate solution global error in conjunction with step 202 of the embodiment of the present invention in this, specific as follows:
The energy value and corresponding current value that the error calculation server receives the three-phase kilowatt-hour meter, sub- ammeter reports, according to According to the electric flux accumulated value under the cumulative obtained each current segmenting of line current segmentation of different sizes;It is cumulative by the electric flux Value establishes global error, the global error of sub- ammeter and charging pile electric energy loss comprising three-phase kilowatt-hour meter as variable, Yi Jiyi The global error of a or multiple sub- ammeters is the equation of known constant;
The electric energy dependency number that the movable type error criterion device is reported according to the multiple received three-phase kilowatt-hour meter, sub- ammeter According to, or established by described according to belonging to of reporting of the three-phase kilowatt-hour meter, sub- ammeter electric energy related data in different time periods The equation group that equation is constituted;By solving the equation group, the three-phase kilowatt-hour meter, sub- ammeter is calculated under each current segmenting Global error and corresponding charging pile electric energy loss value.
Embodiment 3:
This implementation implements the environment of parameter in the content basis of embodiment 2, by being related to, and illustrates how to calculate and fill Electric stake electric energy loss.In this example, it is assumed that transforming plant lead-in is four tunnel of three-phase (single-phase is 380V), and after power transformation it is two A 450V direct current output.The equipment in error criterion device and charging pile for completing electrical energy measurement is known as in the present embodiment Electric energy metering device, substation's schematic diagram are as shown in Figure 6:
W1(1+X1)*(1+XS)=W2(1+X2)+W3(1+X3)
Wherein, Wi=1,2,3 be the electric flux reading of transformer high-low-voltage side electric energy metering device;Xi=1,2,3 be Wi= The error of electric energy metering device where 1,2,3;XsIt is a ratio of transformer loss electric energy and high-pressure side inputing power Value.
According to law of conservation of energy, high-pressure side input electric energy be equal in, low pressure output electric energy and charging pile electric energy damage The sum of consumption.Mathematically it can be written as:
W1(1+X1)(1+Xs)=W2(1+X2)+W3(1+X3) (1)
If constituting equation with formula (1) or even equation group, obtained equation group will be a homogeneous equations, this is neat Power, which is chartered by voyage, can not obtain one group " unique solution ".
This method be by " error of a given electric energy metering device is " known " ", it is " related between destruction equation Property ", so that equation group can obtain " unique solution ".Specifically, when actual measurement, we are high, medium and low any The error testing of the electric energy metering device of voltage side is accurate, we can be obtained by a known error X in this wayi, do not lose one As property, it will be assumed that the error X of high-pressure side electric energy metering device1It is known error, formula (1) is arranged, available:
W1Xs+W1X1Xs-W2X2-W3X3=(W2+W3-W1-W1X1) (2)
Formula (2) is one, and there are three unknown number X2, X3And XsEquation.If we are the electric energy meter of high, medium and low side It measures the continuous reading of device electric flux reading three times, reads: W11, W12, W13;W21, W22, W23;And W31, W32, W33;By this three group number-reading It is updated to formula (2), available ternary quadratic equation group.This equation group has solution, furthermore, it is possible to obtain one group " unique solution ".This group of unique solution is exactly:
X2--- the global error of medium voltage side electric energy metering device;
X3--- the global error of Electric Energy Measurement at Low Voltage Side device;
Xs--- charging pile electric energy loss ratio value=transformer loss energy consumption/high-pressure side inputing power amount;
It is nonlinear in view of transformer is loss, it may be considered that read energy data using input terminal " current segmenting " Method, detect the true global error of electric energy metering device.While having surveyed the error of electric energy metering device quasi-, transformation Device loss also can be measured accurately.
Embodiment 4:
How embodiment 2 describes according to the three-phase kilowatt-hour meter, sub- ammeter and the mobile error criterion device received Electric energy related data solves the method that three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss calculate.In practical reality During now, also need to do some preparations before entering step 201 described in embodiment 2, as shown in fig. 7, specifically including Following steps:
In step 21, the power supply interface of the mobile error criterion device is fixed on a charging gun, and by its vehicle On mouth insertion vehicle socket.
In step 22, error calculation server receives the electric energy related data that the mobile error criterion device is sent, The electric energy related data includes energy value, the mobile error criterion device ID, is currently installed on the mobile error criterion One or more in the charging pile ID of device.
In step 23, the error calculation server determines the mobile error mark according to the electric energy related data Charging station belonging to quasi- device charging pile detected, and according to corresponding relationship storing data.
It is worth noting that in information exchange, implementation procedure between module, unit in above-mentioned apparatus and system etc. Hold, due to being based on same design with processing method embodiment of the invention, particular content be can be found in embodiment of the present invention method Narration, details are not described herein again.
Embodiment 5:
The embodiment of the invention also provides a kind of charging pile error detecting systems based on mobile error criterion device, such as scheme Shown in 8, the system comprises error calculation server, charging pile and mobile error criterion devices, wherein the movable type error Standard is used for being mounted on the charging gun of the charging pile, the charging pile and the displacement error standard with it is described Establishing between error calculation server has data channel, specific:
The charging pile, for sending electric energy related data to the error calculation server;
The movable type error criterion device, for sending electric energy related data to the error calculation server;
One for being used to detect charging pile in the charging station or more of the error calculation server retrieval storage A movable type error criterion device, and (be sub- electricity in Fig. 8 according to the sub- ammeter for the charging gun for installing the mobile error criterion device Table 1) in the electric energy that is passed through and the electric energy passed through in the mobile error criterion device it is identical, be calculated one or more The global error value of the sub- ammeter of a charging gun;The error calculation server transfers each charging pile in the charging station of storage Three-phase kilowatt-hour meter and the electric energy related data that reports of sub- ammeter (being sub- ammeter 2 in Fig. 8);The error calculation server is according to tune The electric energy related data of the three-phase kilowatt-hour meter, sub- ammeter that take out, and one or more charging gun solved Sub- ammeter global error value, solve three-phase kilowatt-hour meter, sub- ammeter (being sub- ammeter 2 in Fig. 8) global error and charging pile electricity It can loss.
The electric energy related data includes energy value, the mobile error criterion device ID, is currently installed on the movable type One or more in the charging pile ID of error criterion device, in conjunction with the embodiment of the present invention there are a kind of preferred implementation, It is specific:
The error calculation server is also used to determine the mobile error criterion device according to the electric energy related data Charging station belonging to charging pile detected, and according to corresponding relationship storing data.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of embodiment is can to lead to Program is crossed to instruct relevant hardware and complete, which can be stored in a computer readable storage medium, storage medium It may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (4)

1. a kind of charging pile error detection method based on mobile error criterion device, which is characterized in that when error calculation service When device calculates the charging pile electric energy loss of charging pile progress global error and each charging pile in a specified charging station, The detection method includes:
One or more shifting that be used to detect charging pile in the charging station of the error calculation server retrieval storage Dynamic formula error criterion device, and according to the electric energy passed through in the sub- ammeter for installing the charging gun of the mobile error criterion device and The electric energy passed through in the movable type error criterion device is identical, and the whole of the sub- ammeter of one or more charging gun is calculated Body error amount;
The error calculation server transfers what the three-phase kilowatt-hour meter of each charging pile and sub- ammeter in the charging station of storage reported Electric energy related data;
The error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy related data of sub- ammeter, and The global error value of the sub- ammeter of one or more obtained charging gun is solved, solves three-phase kilowatt-hour meter, the whole of sub- ammeter misses Difference and charging pile electric energy loss;
The error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy related data of sub- ammeter, and The global error value of the sub- ammeter of one or more obtained charging gun is solved, solves three-phase kilowatt-hour meter, the whole of sub- ammeter misses Difference and charging pile electric energy loss, specifically include:
The energy value and corresponding current value that the error calculation server receives the three-phase kilowatt-hour meter, sub- ammeter reports, according to line Electric flux accumulated value under the cumulative obtained each current segmenting of road size of current difference segmentation;It is built by the electric flux accumulated value Vertical global error, the global error of sub- ammeter and charging pile electric energy loss comprising three-phase kilowatt-hour meter as variable and one or The global error of the multiple sub- ammeters of person is the equation of known constant;
The movable type error criterion device belongs to electric energy phase in different time periods according to what the three-phase kilowatt-hour meter, sub- ammeter reported It closes data and establishes the equation group being made of the equation;By solving the equation group, the three-phase kilowatt-hour meter, son electricity is calculated Global error and corresponding charging pile electric energy loss value of the table under each current segmenting.
2. charging pile error detection method according to claim 1, which is characterized in that the detection method specifically includes:
The power supply interface of the mobile error criterion device is fixed on a charging gun, and its vehicle interface insertion vehicle is inserted On seat;
Error calculation server receives the electric energy related data that the mobile error criterion device is sent, the electric energy related data Including energy value, the mobile error criterion device ID, it is currently installed in the charging pile ID of the mobile error criterion device One or more;
The error calculation server determines that the mobile error criterion device is detected according to the electric energy related data and fills Charging station belonging to electric stake, and according to corresponding relationship storing data.
3. a kind of charging pile error detecting system based on mobile error criterion device, which is characterized in that the system comprises accidentally Poor calculation server, charging pile and mobile error criterion device, wherein the movable type error criterion device is described for being mounted on It uses on the charging gun of charging pile, is built between the charging pile and the displacement error standard and the error calculation server It is vertical to have data channel, specific:
The charging pile, for sending electric energy related data to the error calculation server;
The movable type error criterion device, for sending electric energy related data to the error calculation server;
One or more shifting that be used to detect charging pile in the charging station of the error calculation server retrieval storage Dynamic formula error criterion device, and according to the electric energy passed through in the sub- ammeter for installing the charging gun of the mobile error criterion device and The electric energy passed through in the movable type error criterion device is identical, and the whole of the sub- ammeter of one or more charging gun is calculated Body error amount;The error calculation server is transferred in the charging station of storage on the three-phase kilowatt-hour meter of each charging pile and sub- ammeter The electric energy related data of report;The error calculation server is related according to the electric energy of the three-phase kilowatt-hour meter, sub- ammeter transferred out Data, and the global error value of the sub- ammeter of one or more charging gun solved, solve three-phase kilowatt-hour meter, son The global error and charging pile electric energy loss of ammeter;
The error calculation server is according to the three-phase kilowatt-hour meter transferred out, the electric energy related data of sub- ammeter, and The global error value of the sub- ammeter of one or more obtained charging gun is solved, solves three-phase kilowatt-hour meter, the whole of sub- ammeter misses Difference and charging pile electric energy loss, specifically include:
The energy value and corresponding current value that the error calculation server receives the three-phase kilowatt-hour meter, sub- ammeter reports, according to line Electric flux accumulated value under the cumulative obtained each current segmenting of road size of current difference segmentation;It is built by the electric flux accumulated value Vertical global error, the global error of sub- ammeter and charging pile electric energy loss comprising three-phase kilowatt-hour meter as variable and one or The global error of the multiple sub- ammeters of person is the equation of known constant;
The movable type error criterion device belongs to electric energy phase in different time periods according to what the three-phase kilowatt-hour meter, sub- ammeter reported It closes data and establishes the equation group being made of the equation;By solving the equation group, the three-phase kilowatt-hour meter, son electricity is calculated Global error and corresponding charging pile electric energy loss value of the table under each current segmenting.
4. charging pile error detecting system according to claim 3, which is characterized in that the electric energy related data includes electricity Can value, the mobile error criterion device ID, one be currently installed in the charging pile ID of the movable type error criterion device or Person is multinomial, then:
The error calculation server is also used to determine that the mobile error criterion device is examined according to the electric energy related data Charging station belonging to the charging pile of survey, and according to corresponding relationship storing data.
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CN109596915A (en) * 2018-11-27 2019-04-09 中国电力科学研究院有限公司 A kind of remote calibration system and method for electric automobile charging pile
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