CN203396944U - True-shape electric energy measurement error detecting system for electric automobile charger or pile - Google Patents
True-shape electric energy measurement error detecting system for electric automobile charger or pile Download PDFInfo
- Publication number
- CN203396944U CN203396944U CN201320473812.9U CN201320473812U CN203396944U CN 203396944 U CN203396944 U CN 203396944U CN 201320473812 U CN201320473812 U CN 201320473812U CN 203396944 U CN203396944 U CN 203396944U
- Authority
- CN
- China
- Prior art keywords
- electric automobile
- stake
- battery charger
- automobile battery
- electric energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Abstract
A true-shape electric energy measurement error detecting system for an electric automobile charger or pile. A host computer control system of the system is connected with a programmable alternating current power supply, a high-precision power analyzer, a programmable direct current load and the electric automobile charger (pile). The programmable alternating current power supply is connected with a power grid and the electric automobile charger (pile). The electric automobile charger (pile) is connected with the high-precision power analyzer and the programmable direct current load. The electric automobile charger (pile) is connected with the high-precision power analyzer through a voltage current acquisition probe and is connected with the host computer control system through a CAN communication module. The true-shape electric energy measurement error detecting system achieves simulation of electric energy measurement error detection on an electric energy meter in the electric automobile charger (pile), based on which an electric energy meter error contrast test in a laboratory ideal condition and research on electric energy measurement influencing factors of a direct current electric energy meter are conducted.
Description
Technical field
The utility model relates to a kind of electric automobile battery charger or the true shape electric energy metering error detection system of stake, belongs to electric energy metrical field.
Background technology
Electric automobile battery charger or stake are the necessary important supporting infrastructure of electric automobile, in universal electric automobile process, play very important effect.Electric automobile battery charger or stake are new things and new technique, and charging set or stake each side technology are not yet ripe at present, and without long-term practice operation, and electric automobile battery charger Huo Zhuan manufacturer technology is uneven.Metering charging set or stake direct current energy meter detection method used do not form unified standard, direct current energy meter generally adopts standard dc source output as input signal at present, the mode of comparing by direct current standard scale detects, and under actual condition running environment different from laboratory standard source, also there is certain difference in direct current energy meter error-detecting result.
Summary of the invention
The purpose of this utility model is to provide a kind of electric automobile battery charger or the true shape electric energy metering error detection system of stake, and under the electric automobile battery charger of simulation or the work condition environment of stake actual motion, the error in dipping of carrying out direct current energy meter detects.
The utility model is achieved through the following technical solutions above-mentioned purpose: the true shape electric energy metering error detection system of a kind of electric automobile battery charger or stake, comprise upper computer control system, Programmable AC Power Source, electric automobile battery charger or stake, programmable DC load, high-precision power analyser and electric current and voltage acquisition probe, the upper computer control system of this system respectively with Programmable AC Power Source, high-precision power analyser, programmable DC load, electric automobile battery charger or stake connect, Programmable AC Power Source and electrical network, electric automobile battery charger or stake connect, electric automobile battery charger or stake and high-precision power analyser, programmable DC load connects, electric automobile battery charger or stake are connected with high-precision power analyser by electric current and voltage acquisition probe, by CAN communication module, be connected with upper computer control system.
Described Programmable AC Power Source is to adopt IGBT/PWM pulse width modulation mode to control and digital DDS frequency synthesis technique, can export 10～300V phase voltage, electric current reaches 139A, standard sine wave, there is voltage dip, interrupt in short-term, frequency drift multiple analog function, power supply voltage stabilizing rate≤1%, the three-phase multifunctional AC analogue source of frequency output area 45Hz～65Hz.Programmable AC Power Source simulating grid is that AC energy is put forward in detected electric automobile battery charger or stake, simulate different voltage ripple of power network environment, according to the interchange supply conditions alternating voltage output area of " the non-Vehicular charger electric energy metrical of electric automobile " standard-required, it is arbitrary value between nominal voltage ± 15%, the automatic test of native system can be controlled software by simulation run once can arrange three magnitudes of voltage, as 85% of charging set nominal voltage, 100%, 115% voltage gear is test condition, set of frequency 50Hz carrys out the variation of analog AC electrical network, realize the analogue simulation of electric automobile battery charger or stake Alternating Current Power Supply environment.
Described programmable DC load can simulated battery group voltage range 60V～600V, and when 30V～125V, discharge current can reach the high-power pure resistive load of 250A.Possess short circuit, overcurrent, overload, the multinomial safety automation defencive function of excess temperature, guarantee the safety and stability in long-time heavy-current discharge process.By changing the resistance of programmable DC load, voltage, capacitance parameter is realized electric battery constant-current charge, constant-voltage charge, the full-scope simulation of the battery conditions such as permanent power charging, according to different sparking voltages and the electric current that programmable DC load is set of " the non-Vehicular charger electric energy metrical of electric automobile " standard-required, the scope of programmable DC load discharge electric current be respectively electric automobile battery charger or stake current flow ratings 0～100% between arbitrary value, the voltage range of programmable DC load is arbitrary value between electric automobile battery charger or stake voltage nominal value 0～100%.As programmable DC load voltage is respectively 30%, 60%, 100% 3 electrical voltage point of charging set (stake) nominal voltage, electric current is 30%, 60%, 100% 3 current point of charging set nominal current, this equipment parameters is consistent with electric automobile battery charger or stake charge parameter, and capacitance is 0.1F.By the above-mentioned full-scope simulation that realizes electrokinetic cell that arranges.
Described high-precision power analyser is four-way power analyzer, input voltage range is 0.3～1000V, bandwidth 0～10MHz, sampling rate can reach 0.33MHz, FFT conversion meets 1～40 subharmonic, possess RS232/USB interface, can realize the high precision electric energy analytical equipment with upper computer control system communication.The LEM current sensor that the grade of the acquisition module that configuration accuracy class is 0.05%, current sensor configuration precision is 0.2%, sample rate is 0.33MHz, the acquisition precision more than configuring is that the power analyzer precision configuration of most domestic metering mechanism reaches the standard-required that metering detects, and meets the measuring requirement of the measuring instrument of " the non-Vehicular charger electric energy metrical of electric automobile " standard code.By high-precision power analysis, gather electric automobile battery charger or stake input end alternating voltage, current parameters and output end voltage, these original electrical quantitys of electric current.
Described CAN communication module is that the communication for realizing between electric automobile battery charger or stake and upper computer control system is shaken hands and electric automobile battery charger or stake parameter configuration, the Windows operating system of supporting CAN2.0A and CAN2.0B agreement and Win2000, WinXP, meets ISO/DIS11898 standard.Have 1～2 road CAN-bus interface, communication baud rate is able to programme arbitrarily between 5Kbps～1Mbps, and can use usb bus Power supply.CAN communication module is realized the communication of upper computer control system and electric automobile battery charger or stake, realize the connection of upper computer control system and electric automobile battery charger or stake and confirm, the parameter configuration of test process and charging process controls and reads electric automobile battery charger or on operational factor and the value of electric energy meter.
A detection method for described electric automobile battery charger or the true shape electric energy metering error detection system of stake, comprises the steps:
(1) electric automobile battery charger or the true shape electric energy metering error detection system platform building of stake is good, check and switch on;
(2) testing process is set, open upper computer control system testing process is set, output voltage values, the current value of Programmable AC Power Source are set, electric automobile battery charger or stake output voltage, electric current, the on-load voltage of programmable DC load, electric current and test duration;
(3) start test, the parameter arranging in testing process is sent to Programmable AC Power Source, electric automobile battery charger or stake, programmable DC load;
(4) read electric energy, upper computer control system reads by CAN communication module the electric energy cumulative data that electric automobile battery charger or stake electric energy meter data and high-precision power are analyzed Real-time Collection in real time;
(5) comparative analysis, the electric energy cumulative data of the high-precision power analyser collection that upper computer control system reads deducts the charging set electric energy meter data that read by CAN communication module and is electric energy metering error,
(6) generate test report, the test duration arrives the default test duration, automatically derives test report and test data.
Described upper computer control system is simulated running system to be housed control the industrial computer of software and attached communication module, when this control system possesses system school, the human-computer interaction function such as system parameter setting, there is the function to all devices Communication Control in operating simulation system, there is testing process preset function, according to autorun and automatically derive the function of test report.
Described detected electric automobile battery charger or stake DC output end are with electric power meter, its input end is connected with Programmable AC Power Source output terminal, output terminal is connected with direct current programmable load input end, at input end and output terminal, the voltage supporting with power analyzer is housed respectively, current probe, the voltage of realization to electric automobile battery charger or stake, the collection of electric current, by the analogue simulation to electric automobile battery charger or stake AC-input voltage analogue simulation and DC output end charge condition, the voltage of electric automobile battery charger or stake is set by upper computer control system, electric current, according to " the non-Vehicular charger electric energy metrical of electric automobile " standard-required arrange electric automobile battery charger or stake charging current scope be respectively electric automobile battery charger or stake current flow ratings 0～100% between arbitrary value, the voltage range of electric automobile battery charger or stake is arbitrary value between voltage nominal value 0～100%.As: electric automobile battery charger or stake voltage are respectively 30%, 60%, 100% 3 electrical voltage point of charging set (stake) nominal voltage, 30%, 60%, 100% 3 current point that electric current is nominal current.Realization is to electric automobile battery charger or the simulation of stake simulation run applying working condition.
Outstanding advantages of the present utility model is:
(1) can realize being arranged on the metering of electric energy meter electric energy and the error between the electric energy metrical under actual operating mode of charging set or the metering of Zhuan Shangqiejing laboratory.
(2) by upper computer control system, carry out automatic Test integration, realize test process automatically carry out automatically read with test report.
(3) can be extended to charging set performance test, the precision of voltage regulation of test charging set, precision of steady current, ripple factor, power factor (PF), efficiency, accuracy of voltage adjustment, current calibration precision, pressure limiting characteristic test, cut-off current characteristics test.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of electric automobile battery charger described in the utility model or the true shape electric energy metering error detection system of stake.
In Fig. 1, be labeled as: 1. Programmable AC Power Source, 2. electric current and voltage acquisition probe, 3. electric energy meter, 4. programmable DC load, 5.CAN communication module, 6. high-precision power analyser, 7. upper computer control system.
Fig. 2 is the overhaul flow chart of electric automobile battery charger described in the utility model or the true shape electric energy metering error detection system of stake.
Embodiment
By drawings and Examples, the technical solution of the utility model is further illustrated below.
As shown in Figure 1, the true shape electric energy metering error detection system of electric automobile battery charger described in the utility model or stake, is comprised of upper computer control system, Programmable AC Power Source, electric automobile battery charger or stake, programmable DC load, CAN communication module, power analyzer and voltage, current acquisition probe.Upper computer control system is connected and realizes Communication Control with Programmable AC Power Source, programmable DC load, power analyzer respectively; Programmable AC Power Source is connected with electric automobile battery charger or stake input end, and tested electric automobile battery charger output terminal is connected with programmable DC load; Voltage, current acquisition probe are installed in respectively input end and the output terminal major loop bus of electric automobile battery charger or stake; Power analyzer is connected with voltage, the current acquisition probe of tested electric automobile battery charger input end and output terminal respectively, and electric automobile battery charger or stake realize communication by CAN communication module and upper computer control system.
As shown in Figure 2, be applicable to the detection method of described electric automobile battery charger or the true shape electric energy metering error detection system of stake, comprise the steps:
(1) according to shown in Fig. 1, electric automobile battery charger or stake operating simulation system are put up, check and switch on;
(2) during school.Open upper computer control system, button while clicking school, is synchronized to power analyzer, electric automobile battery charger or stake by upper computer control system displaying time.
(3) testing process is set.Open upper computer control system testing process is set, the output voltage values of Programmable AC Power Source is set, charging set or stake rated operational voltage ± 15%, arrange arbitrarily, electric automobile battery charger or stake output voltage, electric current, within the scope of voltage range rated operational voltage, arbitrary value, range of current are no more than maximum rated current, the on-load voltage of programmable DC load, electric current and test duration;
(4) select default testing process.Select after testing process, click and start test, the parameter in default flow process is sent to respectively to Programmable AC Power Source, electric automobile battery charger or stake, programmable DC load.Make it according to default flow process, export and load.
(5) read electric energy.Upper computer control system reads the electric energy accumulative total of tested electric automobile charging pile electric energy meter electric energy and high-precision power analysis Real-time Collection in real time by CAN communication module;
(6) error is calculated.The electric energy accumulative total of the high-precision power analyser collection of reading by upper computer control system deducts and by CAN communication module, reads electric automobile battery charger electric energy and be electric energy metering error.
(7) generate test report.Test duration arrives the default test duration, automatically derives test report and test data.
Claims (5)
1. electric automobile battery charger or the true shape electric energy metering error detection system of stake, it is characterized in that, this system comprises upper computer control system, Programmable AC Power Source, electric automobile battery charger or stake, programmable DC load, high-precision power analyser and electric current and voltage acquisition probe, the upper computer control system of this system respectively with Programmable AC Power Source, high-precision power analyser, programmable DC load, electric automobile battery charger or stake connect, Programmable AC Power Source and electrical network, electric automobile battery charger or stake connect, electric automobile battery charger or stake and high-precision power analyser, programmable DC load connects, electric automobile battery charger or stake are connected with high-precision power analyser by electric current and voltage acquisition probe, by CAN communication module, be connected with upper computer control system.
2. electric automobile battery charger according to claim 1 or the true shape electric energy metering error detection system of stake, it is characterized in that, described Programmable AC Power Source is to adopt IGBT/PWM pulse width modulation mode to control and digital DDS frequency synthesis technique, can export 10～300V phase voltage, electric current reaches 139A, and standard sine wave has voltage dip, interrupts in short-term, frequency drift multiple analog function, power supply voltage stabilizing rate≤1%, the three-phase multifunctional AC analogue source of frequency output area 45Hz～65Hz.
3. electric automobile battery charger according to claim 1 or the true shape electric energy metering error detection system of stake, it is characterized in that, described programmable DC load can simulated battery group voltage range 60V～600V, and when 30V～125V, discharge current can reach the high-power pure resistive load of 250A.
4. electric automobile battery charger according to claim 1 or the true shape electric energy metering error detection system of stake, it is characterized in that, described high-precision power analyser is four-way power analyzer, input voltage range is 0.3～1000V, bandwidth 0～10MHz, sampling rate can reach 0.33MHz, and FFT conversion meets 1～40 subharmonic, possess RS232/USB interface, can realize the high precision electric energy analytical equipment with upper computer control system communication.
5. electric automobile battery charger according to claim 1 or the true shape electric energy metering error detection system of stake, it is characterized in that, described CAN communication module is that the communication for realizing between electric automobile battery charger or stake and upper computer control system is shaken hands and electric automobile battery charger or stake parameter configuration, support CAN2.0A and CAN2.0B agreement and Win2000, the Windows operating system of WinXP, meet ISO/DIS11898 standard, there is 1～2 road CAN-bus interface, communication baud rate is able to programme arbitrarily between 5Kbps～1Mbps, and can use usb bus Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473812.9U CN203396944U (en) | 2013-08-05 | 2013-08-05 | True-shape electric energy measurement error detecting system for electric automobile charger or pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473812.9U CN203396944U (en) | 2013-08-05 | 2013-08-05 | True-shape electric energy measurement error detecting system for electric automobile charger or pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396944U true CN203396944U (en) | 2014-01-15 |
Family
ID=49908466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320473812.9U Expired - Lifetime CN203396944U (en) | 2013-08-05 | 2013-08-05 | True-shape electric energy measurement error detecting system for electric automobile charger or pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203396944U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439684A (en) * | 2013-08-05 | 2013-12-11 | 广西电网公司电力科学研究院 | System and method for detecting true shape electric energy metering errors of electric car battery charger/charging post |
| CN108008337A (en) * | 2017-11-08 | 2018-05-08 | 国网冀北电力有限公司电力科学研究院 | The computational methods and device of electric energy meter measurement error uniformity |
| CN112162165A (en) * | 2020-09-25 | 2021-01-01 | 智洋创新科技股份有限公司 | Automatic testing method for current stabilization precision of charging device based on programmable load regulation |
| CN113246782A (en) * | 2021-05-26 | 2021-08-13 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of direct current charging pile |
-
2013
- 2013-08-05 CN CN201320473812.9U patent/CN203396944U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439684A (en) * | 2013-08-05 | 2013-12-11 | 广西电网公司电力科学研究院 | System and method for detecting true shape electric energy metering errors of electric car battery charger/charging post |
| CN108008337A (en) * | 2017-11-08 | 2018-05-08 | 国网冀北电力有限公司电力科学研究院 | The computational methods and device of electric energy meter measurement error uniformity |
| CN112162165A (en) * | 2020-09-25 | 2021-01-01 | 智洋创新科技股份有限公司 | Automatic testing method for current stabilization precision of charging device based on programmable load regulation |
| CN113246782A (en) * | 2021-05-26 | 2021-08-13 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of direct current charging pile |
| CN113246782B (en) * | 2021-05-26 | 2022-07-19 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of direct current charging pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103439684A (en) | System and method for detecting true shape electric energy metering errors of electric car battery charger/charging post | |
| CN103630871B (en) | Electronic electric energy meter dynamic characteristic test device | |
| CN203396944U (en) | True-shape electric energy measurement error detecting system for electric automobile charger or pile | |
| CN101470154B (en) | Pressure-resistant test system | |
| CN102338865B (en) | Method for quickly calibrating error of three-phase intelligent electric energy meter | |
| CN102520248A (en) | Insulation resistance and grounding resistance comprehensive tester based on programmable power supply | |
| CN106772208B (en) | Single three-phase meter integrated reliability test board | |
| CN103389424B (en) | The accelerated aging tester of non-linear resistor and aging characteristics method of testing thereof | |
| CN104483626A (en) | Device and system for testing characteristics of transformer on-load tap-changer | |
| CN111337869A (en) | BMS board testing device, testing system and testing method | |
| CN201993457U (en) | Automatic calibrating apparatus for shunt | |
| CN113009245A (en) | Fill portable detecting system of electric pile | |
| CN103323680A (en) | Device for capacitance detection and balanced configuration of capacitor bank | |
| CN102436189B (en) | Calibration method of battery calibration polling instrument | |
| CN103792445A (en) | Fully intelligent electric power overcurrent protection tester | |
| CN102353823B (en) | A kind of electronic load of semi-passive programmable simulation LED characteristic | |
| CN102998648B (en) | Multifunctional electric meter for alternating and direct currents | |
| CN2543242Y (en) | Power supply socket with multi-functional electric energy measurement module | |
| CN201837690U (en) | Debugging instrument of reactive compensation device | |
| CN104316882A (en) | Method and device for detecting residual capacity of mobile power supply | |
| CN203552107U (en) | Three-phase alternating current program-controlled signal source | |
| CN204906204U (en) | Three -phase AC pressure regulating digitally controlled device | |
| CN204439682U (en) | A kind of intelligent electric energy meter | |
| CN202710649U (en) | Device for determining arc suppression coil gear based on voltage signal | |
| CN102565693A (en) | Mechanical and electrical service life testing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |