CN105606937A - DC charging pile calibration device - Google Patents
DC charging pile calibration device Download PDFInfo
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- CN105606937A CN105606937A CN201610104799.8A CN201610104799A CN105606937A CN 105606937 A CN105606937 A CN 105606937A CN 201610104799 A CN201610104799 A CN 201610104799A CN 105606937 A CN105606937 A CN 105606937A
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- charging pile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a DC charging pile calibration device. The DC charging pile calibration device comprises a charging pile output socket, a load input socket, an electrical parameter acquisition module, an industrial control computer control module and a controllable control guide simulation circuit, wherein the charging pile output socket is used for connecting a calibration device with a DC charging pile, the load input socket is used for connecting the calibration device with a load plug of a load, the electrical parameter acquisition module is used for acquiring actually-measured electrical parameters, the industrial control computer control module is used for determining electrical parameter metering errors according to the actually-measured electrical parameters and electrical parameters metered by the charging pile, and the controllable control guide simulation circuit is used for detecting identification matching performance between the DC charging pile and the load. Through the DC charging pile calibration device, field detection on the DC charging pile can be realized, easy operation and convenient debugging are realized, detection cost can be reduced, the DC charging pile calibration device is convenient for a manufacturer to carry out field maintenance and debugging on the DC charging pile.
Description
Technical field
The present invention relates to New-energy electric vehicle detection field, relate in particular to a kind of direct-current charging postCalibrating installation.
Background technology
Along with constantly popularizing of New-energy electric vehicle, as the electronic vapour of its complete sets of basic equipment facilityThe performance (the every electric parameter in charging process) of car charging pile is also subject to people's pass day by dayNote. Related data shows, ends in September, 2014, and the whole of China is actual has 640 charging stations,With 20,000 8 thousand charging piles; And in 2015, the charging station quantity that the whole nation is built up rose to 1549Individual, the quantity that charging pile is built up in plan has reached 240,000 especially. It,, than 14 years, has hadThe growth of nearly 10 times. Only, with regard to Beijing, it is public that the whole city totally builds up approximately 1500 societiesCharging pile. In addition, rely on the quick charge network of highway layout also to step solidOne step: China's first trans-city charging network-Beijing-Shanghai charging network builds up, and comprises 27Individual charging station, not having two average distances between charging station is 50 kilometers, each charging station is averageBe furnished with 2 direct currents and exchange charging pile at a slow speed with 4 fast.
National grid plan will be before the year two thousand twenty, builds up 670 quick charge stations, charging pileQuantity will reach 2680. When the time comes, the highway charging network of " four vertical four horizontal strokes " will run throughThe whole nation, is opening electric motor car and is crossing Chinese being no longer a dream. Common base electrically-charging equipment is energeticallyWhen propelling, the development that relevant adequate and systematic service is also being advanced by leaps and bounds. For example: Beijing residentsCan login Beijing's electric automobile fills and changes fulgurite reason service platform and " easily fill net " and inquire about charging pilePlace and reservation charging. Some foundation team have also aimed at this market, release various eachSample is App easily, allows car owner can find more easily reservation charging pile, has reduced themElectric automobile is outputed to door mileage worry afterwards.
The injection of official and non-governmental capital, has promoted charging pile in Chinese development. But direct current fillsElectricity stake will detect charging pile electric energy valuation performance and whether meet national standard before and after coming into operationThe electrical measuring instrument device design specification of DL/T448-2000, GBJ63-90 electric device,SDJ9-87 electrical measuring instrument device designing technique code, " Measurement Law of the People's Republic of China ",JJG842-1993 " direct current energy meter ". JJGXXX-2015 electric automobile battery charger (stake) inspectionGauge journey. Therefore, how to provide a kind of scientific and reasonable direct-current charging post calibrating installation to becomeOne of technical problem at present urgently to be resolved hurrily.
Summary of the invention
For solving the problems of the technologies described above, one aspect of the present invention has proposed a kind of direct-current charging post calibratingDevice, is characterized in that, described calibrating installation is for detection of the electric parameter meter of direct-current charging postAmount error;
Described calibrating installation comprises that charging pile accessory power outlet, load input socket, electric parameter adoptCollection module, industrial computer control module and controllable type control guiding analog circuit;
Described charging pile accessory power outlet is used for connecting described calibrating installation and described direct-current charging postCharging plug;
Described load input socket is inserted for the load that connects described calibrating installation and described loadHead;
Described electric parameter acquisition module, industrial computer control module and controllable type control guided modeIntending circuit is connected with described charging pile accessory power outlet and described load input socket respectively;
It is that described load fills that described electric parameter acquisition module is used for gathering described direct-current charging postActual measurement electric parameter in electric process;
Described industrial computer control module is used for controlling described calibrating installation, and according to described actual measurement electricityThe electric parameter of gas parameter and the metering of described direct-current charging post is determined the electricity of described direct-current charging postGas parameter error in dipping;
Described controllable type control guiding analog circuit for detection of described direct-current charging post with described inIdentification matching performance between load;
Wherein, the class of the electric parameter of described actual measurement electric parameter and the metering of described direct-current charging postNot corresponding.
Preferably, described controllable type control guiding analog circuit comprise can disconnect or closed andThe resistance of resistance 1000 Ω.
Preferably, described charging pile accessory power outlet and load input socket include specification and areThe interface socket of 125A and 250A.
Preferably, described industrial computer control module also comprises:
Touch display module, for receiving the operational order of user's input, and according to described operationInstruction shows electric parameter and the described electric ginseng of described actual measurement electric parameter, charging pile meteringAt least one in number error in dipping.
Preferably, described actual measurement electric parameter comprise actual measurement rechargeable electrical energy, actual measurement output current withAnd actual measurement output voltage;
The electric parameter of described direct-current charging post metering comprises metering rechargeable electrical energy, metering output electricityStream and metering output voltage;
Correspondingly, described electric parameter error in dipping comprises rechargeable electrical energy error in dipping, output electricityStream error in dipping and output voltage error in dipping.
Preferably, described calibrating installation also comprises:
Charging pile starts power supply, required voltage when providing described direct-current charging post to start;
The voltage range that described charging pile starts power supply is 0～750V.
Preferably, described load comprises true load and pure resistive programmable load.
Preferably, described calibrating installation comprise standard rubbers acquisition interface, binding post andAt least one in CAN interface.
Preferably, the terminal types of described standard acquisition interface, binding post and CAN interfaceBe respectively needle-inserted, plug-in and plug-type.
Preferably, described industrial computer control module also comprises:
The imitative emulation of battery management system and electric energy metrical software, for simulating the electricity of described loadThe communication process of pond management system BMS and described direct-current charging post;
Described communication process comprises shaking hands, mate, charging and filling in charging pile charging processThe real-time state of a control that electricity completes reads.
The invention provides a kind of scientific and reasonable direct-current charging post calibrating installation, this device canAccording to national standard, direct-current charging post is carried out to Site Detection, test, random checking work, withTime, this device is simple to operate, debugging convenient, can reduce testing cost, facilitate power system andDevice fabrication manufacturer carries out maintenance, the debugging after on-the-spot installation to direct-current charging post, is electronic vapourPutting into effect of car electrically-charging equipment lays the foundation.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, belowTo the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, aobvious andEasily insight, the accompanying drawing in the following describes is some embodiments of the present invention, common for this areaTechnical staff, is not paying under the prerequisite of creative work, can also be according to these accompanying drawingsObtain other accompanying drawing.
Fig. 1 shows the structural frames of the direct-current charging post calibrating installation of one embodiment of the inventionFigure;
Fig. 2 shows the structural frames of the direct-current charging post calibrating installation of another embodiment of the present inventionFigure;
Fig. 3 shows the structural frames of the direct-current charging post calibrating installation of another embodiment of the present inventionFigure;
Fig. 4 shows the application scenarios of the direct-current charging post calibrating installation of another embodiment of the present inventionSchematic diagram.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, will tie belowClose the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearlyDescribe, obviously, described embodiment is the present invention's part embodiment, instead of wholeEmbodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not making woundThe every other embodiment obtaining under the property made work prerequisite, belongs to the model that the present invention protectsEnclose.
Fig. 1 shows the structural frames of the direct-current charging post calibrating installation of one embodiment of the inventionFigure; As shown in Figure 1, described calibrating installation 100 is for detection of the electric ginseng of direct-current charging post 200Number error in dipping;
Described calibrating installation 100 comprise charging pile accessory power outlet 110, load input socket 120,Electric parameter acquisition module 130, industrial computer control module 140 and controllable type control guiding simulationCircuit 150;
Particularly, Fig. 2 shows the direct-current charging post calibrating installation of another embodiment of the present inventionStructured flowchart; As shown in Figure 2, charging pile accessory power outlet 110 is for connecting calibrating installation 100Charging plug 210 with direct-current charging post 200; Load input socket 120 is for connecting calibrating dressPut 100 with load 300 load plug 310;
Electric parameter acquisition module 130, industrial computer control module 140 and controllable type control guidingAnalog circuit 150 lay respectively at charging pile accessory power outlet 110 and load input socket 120 itBetween, and electric parameter acquisition module 130, industrial computer control module 140 and controllable type control are ledDraw analog circuit 150 respectively with charging pile accessory power outlet 110 and load input socket 120 phasesConnect;
Electric parameter acquisition module 130 is that load 300 charged for gathering direct-current charging post 200The actual measurement electric parameter of the actual measurement in journey;
Industrial computer control module 140 is for control verification device 100, and according to described actual measurement electricityThe electric parameter that gas parameter and direct-current charging post 200 measure is determined the electric of direct-current charging post 200Parameter error in dipping;
Controllable type control guiding analog circuit 150 is for detection of direct-current charging post 200 and load 300Between the identification matching performance of (interoperability interface);
Wherein, the class of the electric parameter of described actual measurement electric parameter and the metering of described charging pileNot corresponding.
The direct-current charging post calibrating installation of the present embodiment can be according to national standard to DC chargingSite Detection is carried out in stake, and have simple to operate, debug advantage easily, can reduce inspection simultaneouslySurvey cost, facilitate power system and device fabrication manufacturer to carry out after the installation of scene direct-current charging postMaintenance, debugging.
On this basis, controllable type control guiding analog circuit 150 can also comprise that one can breakOpen or resistance 180 closure and resistance 1000 Ω (national Specification).
As the present embodiment preferably, charging pile accessory power outlet 110 and load input socket 120Include the interface socket that specification is 125A and 250A, to be applicable to respectively small-sized electric vehicleWith Large Electric automobile.
Further, industrial computer control module 140 can also comprise:
Touch display module 141, for receiving the operational order of user's input, and according to describedActual measurement electric parameter described in operational order shows, the electric parameter of charging pile metering and electricAt least one in parameter error in dipping.
In above-described embodiment, actual measurement electric parameter can preferably include actual measurement rechargeable electrical energy, realitySurvey output current and actual measurement output voltage; The electric parameter of described charging pile metering can compriseMetering rechargeable electrical energy, metering output current and metering output that described direct-current charging post measuresVoltage;
Correspondingly, described electric parameter error in dipping can comprise rechargeable electrical energy error in dipping, defeatedGo out electric current error in dipping and output voltage error in dipping.
On the basis of above-mentioned all embodiment, industrial computer control module 140 can also comprise:
The imitative emulation of battery management system and electric energy metrical software 142, for simulating described loadBattery management system BMS and the communication process of described direct-current charging post;
Described communication process comprises shaking hands, mate, charging and filling in charging pile charging processThe real-time state of a control that electricity completes reads.
Fig. 3 shows the structural frames of the direct-current charging post calibrating installation of another embodiment of the present inventionFigure; As shown in Figure 3, calibrating installation 100 can further include:
Charging pile starts power supply 160, required voltage when providing described direct-current charging post to start;The voltage range that this charging pile starts power supply can be 0～750V, to be applicable to filling of different modelElectricity stake.
As the present embodiment preferably, the type of load 300 (for example can comprise true loadElectric motor car etc.) and pure resistive programmable load.
Further, calibrating installation 100 can comprise standard rubbers acquisition interface, binding postAnd at least one in CAN interface, and described standard acquisition interface, binding post withAnd the terminal types of CAN interface is respectively needle-inserted, plug-in and plug-type.
The invention provides a kind of scientific and reasonable direct-current charging post calibrating installation, this device canAccording to national standard, direct-current charging post is carried out to Site Detection, test, random checking work, withTime, this device is simple to operate, debugging convenient, can reduce testing cost, facilitate power system andDevice fabrication manufacturer carries out maintenance, the debugging after on-the-spot installation to direct-current charging post, is electronic vapourPutting into effect of car electrically-charging equipment lays the foundation.
Illustrate that with an instantiation detection of direct-current charging post calibrating installation of the present invention is former belowReason and application process.
Fig. 4 shows the applied field of the direct-current charging post calibrating installation of another embodiment of the present inventionScape schematic diagram. As shown in Figure 4, the electric automobile in figure is only for example, in practical applicationAlso can replace with programmable DC load, cell voltage analogue means etc.
It should be noted that, according to the examination criteria of national regulation, carry out direct-current charging post inspectionThe environmental condition of surveying is:
Environment temperature is-20～50 DEG C, relative humidity 5%～95%, and detected each timeVariations in temperature in journey is not more than 5 DEG C.
Concrete testing process is as follows:
One, tested charger (stake) and direct-current charging post calibrating installation of the present invention are carried outThe series connection of in-phase current circuit, voltage circuit parallel connection. Particularly, even direct-current charging post outputThe charging pile accessory power outlet (charging pile docking port) of charging plug and direct-current charging post calibrating installationBe connected; Load input socket (the load of load vehicle plug and direct-current charging post calibrating installationDocking port) be connected. Wherein, described load can be real electric automobile or virtual negativeCarry (pure resistive programmable load).
Two, after exact connect ion startup charging, industrial computer control module control electric parameter is adoptedThe zero clearing of collection module, and can adopt by gps clock server and direct-current charging post, electric parameterCollection module is carried out time check and correction, carries out the front preparation of calibrating;
Three, simulate voltage, the electric current demand of charging electric vehicle by BMS simulation software,And start charging pile output by industrial computer measuring software. Particularly, can be by the rule in table oneRepeatedly test and get its mean value:
Table one direct-current charging post test order
Wherein, InFor charger (stake) nominal operation output maximum current, UmaxFor chargingMachine (stake) nominal operation output maximum voltage, UminFor charger (stake) nominal operation defeatedGo out minimum voltage. This value can be chosen by table one, also can according to the actual charging voltage in scene,Electric current is chosen.
In said process by electric parameter acquisition module gather direct-current charging post DC+,DC-voltage (actual measurement output voltage), actual measurement output current, and by built-in calculation in softwareMethod, metering actual measurement rechargeable electrical energy.
Particularly, in the present embodiment, in the electric parameter acquisition module of test and measuring, comprise UItFunctional module, this functional module can real-time high-frequency collection show voltage, electric current, andCalculate accumulative total electric energy W=UIt by time integral.
Further, adopt comparison method to calculate the electric energy relative error of tested charging pile
Wherein, the electric energy relative error that γ is charging pile; γ0For the fixed system error of standard scale,γ while not needing to revise0=0; W is actual measurement energy value, the i.e. energy value (kWh) of standard scale accumulative total; W0Determine energy value for calculating, gathered by charging pile and be transferred to BMS simulation by communication packetThe numerical value of software.
On this basis, this enforcement the technical parameter of tributary charging pile calibrating installation as follows:
The technical parameter of the tributary charging pile calibrating installation of table two the present embodiment
The direct-current charging post calibrating installation of the present embodiment can be according to national standard to DC chargingSite Detection, test, random checking work are carried out in stake, meanwhile, this device is simple to operate,Debugging is convenient, can reduce testing cost, facilitates power system and device fabrication manufacturer to direct currentCharging pile carries out maintenance, the debugging after on-the-spot installation, is the input of charging electric vehicle facilityOperation lays the foundation.
Above embodiment only, for technical scheme of the present invention is described, is not intended to limit; To the greatest extentPipe has been described in detail the present invention with reference to previous embodiment, the ordinary skill of this areaPersonnel are to be understood that: its technical scheme that still can record aforementioned each embodiment is carried outAmendment, or part technical characterictic is wherein equal to replacement; And these amendments or replaceChange, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical schemeGod and scope.
Claims (10)
1. a direct-current charging post calibrating installation, is characterized in that, described calibrating installation is used forDetect the electric parameter error in dipping of direct-current charging post;
Described calibrating installation comprises that charging pile accessory power outlet, load input socket, electric parameter adoptCollection module, industrial computer control module and controllable type control guiding analog circuit;
Described charging pile accessory power outlet is used for connecting described calibrating installation and described direct-current charging postCharging plug;
Described load input socket is inserted for the load that connects described calibrating installation and described loadHead;
Described electric parameter acquisition module, industrial computer control module and controllable type control guided modeIntending circuit is connected with described charging pile accessory power outlet and described load input socket respectively;
It is that described load fills that described electric parameter acquisition module is used for gathering described direct-current charging postActual measurement electric parameter in electric process;
Described industrial computer control module is used for controlling described calibrating installation, and according to described actual measurement electricityThe electric parameter of gas parameter and the metering of described direct-current charging post is determined the electricity of described direct-current charging postGas parameter error in dipping;
Described controllable type control guiding analog circuit for detection of described direct-current charging post with described inIdentification matching performance between load;
Wherein, the class of the electric parameter of described actual measurement electric parameter and the metering of described direct-current charging postNot corresponding.
2. device as claimed in claim 1, is characterized in that, described controllable type control guidingAnalog circuit comprises and can disconnect or resistance closed and resistance 1000 Ω.
3. device as claimed in claim 1, is characterized in that, described charging pile accessory power outletInclude with load input socket the interface socket that specification is 125A and 250A.
4. device as claimed in claim 1, is characterized in that, described industrial computer control moduleAlso comprise:
Touch display module, for receiving the operational order of user's input, and according to described operationInstruction shows electric parameter and the described electric ginseng of described actual measurement electric parameter, charging pile meteringAt least one in number error in dipping.
5. device as claimed in claim 1, is characterized in that, described actual measurement electric parameter bagDraw together actual measurement rechargeable electrical energy, actual measurement output current and actual measurement output voltage;
The electric parameter of described direct-current charging post metering comprises metering rechargeable electrical energy, metering output electricityStream and metering output voltage;
Correspondingly, described electric parameter error in dipping comprises rechargeable electrical energy error in dipping, output electricityStream error in dipping and output voltage error in dipping.
6. device as claimed in claim 1, is characterized in that, described calibrating installation also comprises:
Charging pile starts power supply, required voltage when providing described direct-current charging post to start;
The voltage range that described charging pile starts power supply is 0～750V.
7. device as claimed in claim 1, is characterized in that, described load comprises true negativeLotus and pure resistive programmable load.
8. device as claimed in claim 1, is characterized in that, described calibrating installation comprises markAt least one in accurate rubber acquisition interface, binding post and CAN interface.
9. device as claimed in claim 8, is characterized in that, described standard acquisition interface,The terminal types of binding post and CAN interface is respectively needle-inserted, plug-in and plugFormula.
10. the device as described in claim 1 to 9 any one, is characterized in that, described industry controlMachine control module also comprises:
The imitative emulation of battery management system and electric energy metrical software, for simulating the electricity of described loadThe communication process of pond management system BMS and described direct-current charging post;
Described communication process comprises shaking hands, mate, charging and filling in charging pile charging processThe real-time state of a control that electricity completes reads.
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| CN201610104799.8A CN105606937A (en) | 2016-02-25 | 2016-02-25 | DC charging pile calibration device |
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| CN201610104799.8A CN105606937A (en) | 2016-02-25 | 2016-02-25 | DC charging pile calibration device |
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| CN107064701B (en) * | 2017-06-12 | 2024-01-19 | 青岛特来电新能源科技有限公司 | Charging pile experimental device and system |
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| CN108896922B (en) * | 2018-06-22 | 2020-10-30 | 江西江铃集团新能源汽车有限公司 | Electric automobile voltage platform determination method |
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| CN109975583A (en) * | 2019-03-28 | 2019-07-05 | 浙江华云清洁能源有限公司 | A kind of interface equipment for alternating-current charging pile test |
| CN112067921A (en) * | 2020-08-10 | 2020-12-11 | 广州汽车集团股份有限公司 | Conductive charging test system and method for electric vehicle |
| CN112255447A (en) * | 2020-09-10 | 2021-01-22 | 苏州溯标检测认证有限公司 | Alternating-current charging stake testing arrangement |
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