CN102707254A - Electric car electric energy metering exception detection system and method - Google Patents
Electric car electric energy metering exception detection system and method Download PDFInfo
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- CN102707254A CN102707254A CN2012101437806A CN201210143780A CN102707254A CN 102707254 A CN102707254 A CN 102707254A CN 2012101437806 A CN2012101437806 A CN 2012101437806A CN 201210143780 A CN201210143780 A CN 201210143780A CN 102707254 A CN102707254 A CN 102707254A
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Abstract
The invention relates to an electric car electric energy metering exception detection system and a method. The electric car electric energy metering exception detection system comprises a metering exception detection device, an electric energy meter, and an odometer or a global position system (GPS) positioning terminal, wherein the electric energy meter, the odometer or the GPS positioning terminal are connected with the metering exception detection device respectively in a communicating mode, the odometer is used for acquiring walking information of an electric car, and the metering exception detection device is an embedded device and used for judging whether the metering is exceptional according to the information transmitted by the electric energy meter and the odometer. According to the electric car electric energy metering exception detection system, a voltage and electric current measurement loop is not required, the device is simple in producing, the calibrating is not required, and when the device is installed in the electric car, wires can be simply connected to the electric car due to the fact that a phase voltage transformer/a current transformer is not arranged in the electric car.
Description
Technical field
The invention belongs to the electric automobile field, relate to a kind of electric motor car electric energy metrical abnormality detection system and method.
Background technology
At present, do not have the electric energy metrical abnormal detector in the electric motor car, electric motor car at present is unkitted ammeter, when electric motor car charges; Main with the electric energy meter on the charging pile as rates ground, whenever fill once electricity, tie one time, we think deeply in the near future; The charged table of electric motor car can occur, charge occurs with the form of monthly closing entry, under this business model; Ammeter is installed on user's car, unusual charging phenomenons such as power stealing electric leakage certainly will occur, so electric energy metrical abnormality detection technology is very necessary.
Summary of the invention
The purpose of this invention is to provide a kind of electric motor car electric energy metrical abnormality detection system and method.
For realizing above-mentioned purpose; Electric motor car electric energy metrical abnormality detection system technical scheme of the present invention is following: comprise the metering abnormal detector and with its respectively the electric energy meter that is connected of communication and being used to obtain electric motor car the walk mileometer or the GPS locating terminal of information; Said metering abnormal detector is an embedded equipment, and the information that is used for uploading according to electric energy meter and mileage device judges whether metering is unusual.
Further, said GPS locating terminal is built in the metering abnormal detector.
Further, said metering abnormal detector is provided with CAN, 485 or 232 communication interfaces, is used for electric energy meter or mileometer communication and connects.
Electric motor car electric energy metrical method for detecting abnormality step of the present invention is following:
(1) the metering abnormal detector reads the electric energy meter data, is designated as A1; The metering abnormal detector reads the data of mileage device, is designated as B1;
(2) behind the mistake setting-up time, the metering abnormal detector reads the electric energy meter data, is designated as A2; The metering abnormal detector reads the data of mileage device, is designated as B2;
(3) the metering abnormal detector judges according to the electric energy meter data of different time sections reception and the aggregation of data of mileage device whether metering is unusual.
Further; When the mileage device is mileometer; Measure the mileage that abnormal detector reads the mileage device respectively respectively in step (1) and (2), be designated as B1 and B2 respectively, if mileage B1 is not equal to mileage B2; And electric degree data A1 equals electric degree data A2, and then electric energy meter stops walking; If mileage B1 is not equal to mileage B2, and electric degree data A1 equals electric degree data A2, and this state continuance certain hour, explains that then electric energy meter stops walking.
Further, when the mileage device is the GPS locating terminal, measure electric current and/or voltage measuring value that electric energy meter is read in abnormal detector and electric energy meter communication for N time in the step (2) in the setting-up time, and each certain hour at interval; Step (3) metering abnormal detector judges whether metering unusual, if mileage B1 is not equal to mileage B2, and the mean value of N primary current less than minimum threshold then electric energy meter be careful; If mileage B1 is not equal to mileage B2, and the mean value of N primary current greater than max-thresholds then electric energy meter hurry up.
Further, said minimum threshold is the minimum load current corresponding value of vehicle; Said max-thresholds is the corresponding performance number of peak load of vehicle.
Electric motor car electric energy metrical abnormality detection system of the present invention and method are to obtain electric motor car walking information through the mileage device, obtain electric energy meter information with communication mode, judge in conjunction with electric motor car walking information and electric energy meter information whether electric energy meter charges normal.The present invention compares with prior art, and system does not need current measurement circuit with voltage, and device is produced easy, does not need check and correction, and when on automobile, installing, because of no PT/CT, automative wiring is also fairly simple.
Description of drawings
Fig. 1 is that EDT connects GPS outward in the detection system;
Fig. 2 is the built-in GPS of EDT in the detection system;
Fig. 3 is that EDT connects mileometer outward in the detection system;
Fig. 4 is that information about power and mileage information are judged unusual process flow diagram;
Fig. 5 is that current information and mileage information are judged unusual process flow diagram.
Embodiment
One, electric motor car electric energy metrical abnormality detection system
Electric motor car electric energy metrical abnormality detection system; Comprise the metering abnormal detector and with its respectively the electric energy meter that is connected of communication and being used to obtain electric motor car the walk mileometer or the GPS locating terminal of information; The metering abnormal detector is an embedded equipment, the information that is used for uploading according to electric energy meter and mileage device judge measure whether unusual.Like Fig. 1,2, shown in 3, the mileage device can be mileometer, can be the GPS locating terminal, and this GPS locating terminal can be built in the metering abnormal detector.
Abnormal detector EDT (EXCEPTION DECTECT TERMINAL) is an embedded system device; Possesses communication interface CAN, 485 or 232; Be used for communicating by letter, perhaps itself have a GPS chip, carry out the abnormality detection strategy of this detection system with electric energy meter, mileometer; Judge after the abnormal results, can show with communication mode (typically to send main station system on the GPRS mode) or alarm mode on the spot unusually chargeing.
Two, electric motor car electric energy metrical method for detecting abnormality
1, judge whether vehicle is in transport condition, can obtain according to twice read-around ratio before and after the mileometer, also can relatively obtain through twice positional information before and after the GPS locating terminal, existing is that example is explained implementation of the present invention with the system that contains mileometer; Judge that through information about power and mileage information flow example is as shown in Figure 4:
Step 1-2:EDT reads the electrical energy meter electricity degrees of data, like electricity 1
Step 3-4:EDT reads the mileometer data, like mileage 1
Step 5-6:EDT reads the electrical energy meter electricity degrees of data, like electricity 2
Step 7-8:EDT reads the mileometer data, like mileage 2
Step 9:EDT judges whether metering is unusual; Be not equal to mileage 2 like mileage 1, and electricity 1 equals electricity 2, explain that ammeter stops walking; For preventing that vehicle from utilizing the inertia walking erroneous judgement; Can the joining day parameter, be not equal to mileage 2 and electricity 1 equals electricity 2 such as mileage 1, and this state continuance was regarded as ammeter in 10 minutes and stops walking.The above-mentioned priority that reads ammeter and mileometer does not have strict demand, can read watt-hour meter earlier, can read mileometer earlier yet, also can watt-hour meter or mileometer adopt the mode of periodically sending to send to EDT.
2, judge that through current information and mileage information flow example is as shown in Figure 5:
Step 1:EDT reads the mileometer data, like mileage 1
Step 2:EDT and electric energy meter communication N time, each certain hour at interval;
Step 3:EDT reads the mileometer data, like mileage 2
Step 4:EDT judges whether metering is unusual, is not equal to mileage 2 like mileage 1, and the mean value of N primary current is regarded as electric energy meter less than certain setting value and is careful, and this setting value is generally the minimum load current corresponding value of vehicle; Be not equal to mileage 2 like mileage 1; And the mean value of N primary current is regarded as electric energy meter greater than certain setting value and hurries up, and this setting value is generally the corresponding performance number of peak load of vehicle, for safety; Definite value can have certain nargin, and how definite value is provided with not at this patent coverage.
For the Combination power car, can with whether with electrically driven (operated) information through opening into the access abnormal detector, thereby reach the unusual arbitration functions of forbidding under the non-electricity consumption driving situation.The present invention can effectively prevent the economic loss that the power stealing behavior causes to the system that electric automobile adopts electric energy meter to charge, or the unusual economic dispute of chargeing and causing.
The electric energy metrical abnormal detector is confirmed vehicle ', electric energy meter electric current/voltage measurement information, current/voltage definite value according to GPS information, confirms whether ammeter is careful or is hurried up; (EDT communicates by letter with GPS, learns through the GPS positional information of twice of front and back whether automobile is going, because of the automobile lowest power consumption of having gone itself; Less because of voltage fluctuation, show as minimum current, so in vehicle traveling process; As the electrical energy meter electricity flow valuve less than certain setting value (as automobile lowest power consumption current corresponding value 80%), can think that ammeter is careful, in like manner; Also there is a maximum power dissipation current corresponding value, can thinks that when greater than this value ammeter hurries up.
The electric energy metrical abnormal detector is confirmed vehicle ', electric energy meter electric current/voltage measurement information, current/voltage definite value according to mileage information, confirms whether ammeter is careful or is hurried up.The basis for estimation of just whether going in (here with the epimere content) is different.
Claims (7)
1. electric motor car electric energy metrical abnormality detection system; It is characterized in that; Comprise the metering abnormal detector and with its respectively the electric energy meter that is connected of communication and being used to obtain electric motor car the walk mileometer or the GPS locating terminal of information; Said metering abnormal detector is an embedded equipment, and the information that is used for uploading according to electric energy meter and mileage device judges whether metering is unusual.
2. system according to claim 1 is characterized in that: said GPS locating terminal is built in the metering abnormal detector.
3. system according to claim 1 and 2 is characterized in that: said metering abnormal detector is provided with CAN, 485 or 232 communication interfaces, is used for electric energy meter or mileometer communication and connects.
4. electric motor car electric energy metrical method for detecting abnormality is characterized in that the step of this method is following:
(1) the metering abnormal detector reads the electric energy meter data, is designated as A1; The metering abnormal detector reads the data of mileage device, is designated as B1;
(2) behind the mistake setting-up time, the metering abnormal detector reads the electric energy meter data, is designated as A2; The metering abnormal detector reads the data of mileage device, is designated as B2;
(3) the metering abnormal detector judges according to the electric energy meter data of different time sections reception and the aggregation of data of mileage device whether metering is unusual.
5. method according to claim 4; It is characterized in that: when the mileage device is mileometer; Measure the mileage that abnormal detector reads the mileage device respectively respectively in step (1) and (2), be designated as B1 and B2 respectively, if mileage B1 is not equal to mileage B2; And electric degree data A1 equals electric degree data A2, and then electric energy meter stops walking; If mileage B1 is not equal to mileage B2, and electric degree data A1 equals electric degree data A2, and this state continuance certain hour, explains that then electric energy meter stops walking.
6. method according to claim 5; It is characterized in that: when the mileage device is the GPS locating terminal; Measure electric current and/or voltage measuring value that electric energy meter is read in abnormal detector and electric energy meter communication for N time in the step (2) in the setting-up time, and each certain hour at interval; Step (3) metering abnormal detector judges whether metering unusual, if mileage B1 is not equal to mileage B2, and the mean value of N primary current less than minimum threshold then electric energy meter be careful; If mileage B1 is not equal to mileage B2, and the mean value of N primary current greater than max-thresholds then electric energy meter hurry up.
7. method according to claim 6 is characterized in that: said minimum threshold is the minimum load current corresponding value of vehicle; Said max-thresholds is the corresponding performance number of peak load of vehicle.
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| CN2012101437806A CN102707254A (en) | 2012-05-10 | 2012-05-10 | Electric car electric energy metering exception detection system and method |
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| CN2012101437806A CN102707254A (en) | 2012-05-10 | 2012-05-10 | Electric car electric energy metering exception detection system and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004229448A (en) * | 2003-01-24 | 2004-08-12 | Honda Motor Co Ltd | Method and device for monitoring electric vehicle |
| CN201296176Y (en) * | 2008-07-17 | 2009-08-26 | 安徽中铁电脑科技有限公司 | Remote wireless electricity consumption acquisition and management system dedicated to electric power locomotive engine |
| CN201457083U (en) * | 2009-08-18 | 2010-05-12 | 彭希南 | Electric vehicle digital instrument |
| CN202003216U (en) * | 2010-12-20 | 2011-10-05 | 河南鸿马实业有限公司 | Remote monitoring system for status of electric automobile |
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- 2012-05-10 CN CN2012101437806A patent/CN102707254A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004229448A (en) * | 2003-01-24 | 2004-08-12 | Honda Motor Co Ltd | Method and device for monitoring electric vehicle |
| CN201296176Y (en) * | 2008-07-17 | 2009-08-26 | 安徽中铁电脑科技有限公司 | Remote wireless electricity consumption acquisition and management system dedicated to electric power locomotive engine |
| CN201457083U (en) * | 2009-08-18 | 2010-05-12 | 彭希南 | Electric vehicle digital instrument |
| CN202003216U (en) * | 2010-12-20 | 2011-10-05 | 河南鸿马实业有限公司 | Remote monitoring system for status of electric automobile |
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Owner name: STATE GRID SHANDONG ELECTRIC POWER COMPANY Free format text: FORMER OWNER: SHANDONG ELECTRIC POWER CORP. Effective date: 20131218 |
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Effective date of registration: 20131218 Address after: 250001, No. two, No. 150, Ji'nan, Shandong Applicant after: State Grid Shandong Electric Power Company Applicant after: Xuji Electric Co., Ltd. Applicant after: Xuchang Xuji Software Technology Co., Ltd. Address before: 250001, No. two, No. 150, Ji'nan, Shandong Applicant before: Shandong Electric Power Corp. Applicant before: Xuji Group Co., Ltd. Applicant before: Xuji Electric Co., Ltd. Applicant before: Xuchang Xuji Software Technology Co., Ltd. |
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Application publication date: 20121003 |