CN109212351A - A kind of electric car non-on-board charger automatic checkout system and method - Google Patents
A kind of electric car non-on-board charger automatic checkout system and method Download PDFInfo
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- CN109212351A CN109212351A CN201811061816.XA CN201811061816A CN109212351A CN 109212351 A CN109212351 A CN 109212351A CN 201811061816 A CN201811061816 A CN 201811061816A CN 109212351 A CN109212351 A CN 109212351A
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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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- 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]
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- 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
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Abstract
The invention discloses a kind of electric car non-on-board charger automatic checkout system and methods, it includes: Programmable AC Power Source, programmable DC load, battery voltage analog device, data collecting card, high-precision power meter, oscillograph, control cabinet and vehicle interface simulator, CAN card, serial server, signal gating device, industrial personal computer and test software；Serial server is connect with Programmable AC Power Source, programmable DC load, control cabinet and vehicle interface simulator, high accuracy number power meter, high-performance data capture card, CAN card, signal gating device and industrial personal computer respectively.The present invention can electrical property to non-on-board charger and interoperability comprehensively detected, to judge whether the electrical property of non-on-board charger meets standard requirements, and judge whether the clause requirement for meeting interoperability, detection project can be managed neatly, device parameter configuration is convenient, without artificial error in reading, detection efficiency is high.
Description
Technical field
The present invention relates to electric vehicle engineering field, especially a kind of electric car non-on-board charger automatic checkout system
And method.
Background technique
Electric automobile charging pile is built to be quickly grown in China, and at the beginning of 2010, China's charging pile quantity is about at 1,000
Left and right；By 2013, quantity broke through 20,000；National charging pile owning amount has reached nearly 200,000 within 2016.Charging alliance of China
The latest data of official's publication is shown, by July, 2017, member unit amounts to and reports common class charging pile for 2017 in alliance
18.1 ten thousand, private class charging pile 14.9 ten thousand, only member reports nearly 330,000 of charging pile sum in alliance.According to " electronic vapour
Vehicle charging infrastructure develops guide (2015-2020) " (hair changes the energy [2015] 1454), arrive the year two thousand twenty, electric charging station
Quantity will be up to 1.2 ten thousand, and charging pile is up to 4,500,000.Explosive growth is presented in China's electric car and its infrastructure, produces
Industry development enters fast traffic lane.
However perplex the properties of product of the sector always and the problem that interconnects, it is also more and more prominent.The end of the year in 2015, state
State Administration of Quality Supervision, Inspection and Quarantine of family, National Standards Commission, which combine, has promulgated 5 national standards of electric vehicle charge interface and communication protocol.New national standard into
Step refining compatibility rule, for example standardized the classification of charging voltage；The voltage rating of charging interface, electric current are advised
It is fixed；Communications version control is increased, specifies sequential logic and timing definition of charging etc..However, current detection means is still
Dependent on artificial, manual reading, detection efficiency is low, human error easily occurs.Therefore, it is necessary to design electronic vapour based on new national standard
Chefei's Vehicular charger automatic checkout system carries out comprehensive detection to the interoperability of non-on-board charger.
Summary of the invention
In view of the above drawbacks of the prior art, it is an object of the invention to provide a kind of electric car non-on-board chargers
Automatic checkout system and method, can electrical property to non-on-board charger and interoperability comprehensively detected, be not necessarily to people
For reading, detection efficiency height.
An object of the present invention is that technical solution in this way is realized, a kind of electric car non-on-board charger from
Dynamic detection system, it includes: Programmable AC Power Source, programmable DC load, the acquisition of battery voltage analog device, data
Card, high-precision power meter, oscillograph, control cabinet and vehicle interface simulator, CAN card, serial server, signal gating device,
Industrial personal computer and test software；
The serial server respectively with the Programmable AC Power Source, the programmable DC load, the control cabinet
And vehicle interface simulator,
The high accuracy number power meter, the high-performance data capture card, CAN card, the signal gating device and described
Industrial personal computer connection；
The Programmable AC Power Source is connect by connecting terminal with tested non-on-board charger, high-precision power meter；
The control cabinet and vehicle interface simulator one end are connected by DC charging rifle is tested non-on-board charger, separately
One end is loaded by cable connection programmable DC；
The industrial personal computer is connect with the oscillograph, serial server, for running test software, acquires data and wave
Shape, and automatically generate report；
It is bent that the battery voltage analog device is used to simulate the output characteristics of different energy-storage batteries, battery charging/discharging characteristic
Line；
The control cabinet and vehicle interface simulator for simulating guiding resistance variations, these are former for signal ground/open circuit
Barrier and switch division logic；
The serial server can be communicated by RS232 and/or RS485 communication mode with industrial personal computer, and data interaction is completed；
The oscillograph is for acquiring output DC voltage, output DC current, tested direct current non-on-board charger input
The signal of test point inside the monophase current signal at end, simulator and the CAN-H/CAN-L on CAN card；
The signal gating device is used to complete the signal gating in 14 channels to 4 channels, and program-controlled gating cooperates with oscillograph
Realize the automatic collection to signal.
Further, there is on-off emulation to each contact of vehicle socket in the control cabinet and vehicle interface simulator
Function, DC+, DC-, PE, S+, S-, CC1, CC2, A+, A- respectively correspond Artificial switch Q1~Q9, it can be achieved that each road fault simulation；
R4 resistance simulation circuit, R5 resistance simulation circuit are had in control cabinet and vehicle interface simulator；
The vehicle BMS simulation system of the control cabinet and vehicle interface simulator by CAN interface be tested it is off-board
Charger communication, for simulated battery demand packet state and communication therefore is waited, and carries out communication protocal conformance test；
Between the DC+ and PE insulation fault emulation can be carried out by the insulation artifical resistance of Q17 and first；DC- and PE it
Between can pass through Q18 and second insulation artifical resistance carry out insulation fault emulation；
Described charging interface S+, S-, CC1, CC2, A+ and A- can pass through conducting switch Q11~Q16 and resistance simulation respectively
The emulation of fault to ground.
Further, the high-precision power meter includes the first high-precision power meter and the second high-precision power meter；It is described
First high-precision power meter is used to acquire the output voltage, output electric current and output power of programmable power supply；Described second is high-precision
Spend output voltage, output electric current and the output power in power meter acquisition programmable DC load.
Further, the test software realizes that user flows test business, test for providing secondary programmable interface
Journey, data processing and the exploitation again and definition of report generation；
Labview programming can be used in the test software.
Further, the programmable DC load includes load cabinet, data collection system, automatic control system, heat dissipation
Device, protective device, auxiliary control and PC machine software.
Another object of the present invention is that technical solution in this way is realized, a kind of electric car non-on-board charger
Automatic testing method, it includes: the method comprises the following steps:
S1: the main power source, non-on-board charger power supply and control power supply of system are connected；
S2: the charging gun of non-on-board charger is inserted into the charging socket of the control cabinet and vehicle interface simulator
In；
S3: starting industrial personal computer runs test software；
S4: closure programmable DC load breaker switch starts DC load；
S5: operation test software is tested；
S6: test report, shutdown test system are generated.
Further, the step S1 includes:
Main power source input is three-phase 380V industrial-frequency alternating current, connects 5 lines of A, B, C, N and PE of power grid；Wherein A, B, C
Line is non-interchangeable；
Non-on-board charger power supply is charging pile power supply, is separately connected the end A, B, C, N and PE of charging pile；Wherein, A, B, C
Line is non-interchangeable；
Control power input is single-phase 220V industrial-frequency alternating current, connects L, N and PE of power grid.
Further, detailed process is as follows for the generation test report in the step S6:
S61: " test report " icon is clicked in program main interface, into test report interface；
S62: " template " menu is clicked, the template of corresponding test program is selected；
S63: " data " menu is clicked, the file comprising test result is chosen；
S64: clicking " compiling " menu, and data compile automatically；
S65: " generation " menu is clicked, selection generates the file path of report and filename generates test report.
By adopting the above-described technical solution, the present invention has the advantage that: it can be to the electrical property of non-on-board charger
Energy and interoperability are comprehensively detected, to judge whether the electrical property of non-on-board charger meets standard requirements, and are sentenced
The disconnected clause requirement for whether meeting interoperability, detection project can be managed neatly, and device parameter configuration is convenient, without artificial reading
Error, detection efficiency are high.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is the connection schematic diagram of electric car non-on-board charger automatic checkout system.
Fig. 2 is the connection of control cabinet and vehicle interface simulator in electric car non-on-board charger automatic checkout system
Schematic diagram.
Fig. 3 is that DC charging controls guidance circuit schematic diagram.
Fig. 4 is the flow diagram of electric car non-on-board charger automatic testing method.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1, as shown in Figure 1 to Figure 3；A kind of electric car non-on-board charger automatic checkout system, it includes:
Programmable AC Power Source, programmable DC load, battery voltage analog device, data collecting card, high-precision power meter, oscillography
Device, control cabinet and vehicle interface simulator, CAN card, serial server, signal gating device, industrial personal computer and test software；
The serial server respectively with the Programmable AC Power Source, the programmable DC load, the control cabinet
And vehicle interface simulator,
The high accuracy number power meter, the high-performance data capture card, CAN card, the signal gating device and described
Industrial personal computer connection；
The Programmable AC Power Source is connect by connecting terminal with tested non-on-board charger, high-precision power meter；
The control cabinet and vehicle interface simulator one end are connected by DC charging rifle is tested non-on-board charger, separately
One end is loaded by cable connection programmable DC；
The industrial personal computer is connect with the oscillograph, serial server, for running test software, acquires data and wave
Shape, and automatically generate report；
It is bent that the battery voltage analog device is used to simulate the output characteristics of different energy-storage batteries, battery charging/discharging characteristic
Line；
The control cabinet and vehicle interface simulator for simulating guiding resistance variations, these are former for signal ground/open circuit
Barrier and switch division logic；
The serial server can be communicated by RS232 and/or RS485 communication mode with industrial personal computer, and data interaction is completed；
The oscillograph is for acquiring output DC voltage, output DC current, tested direct current non-on-board charger input
The signal of test point inside the monophase current signal at end, simulator and the CAN-H/CAN-L on CAN card；
The signal gating device is used to complete the signal gating in 14 channels to 4 channels, and program-controlled gating cooperates with oscillograph
Realize the automatic collection to signal.
There are on-off copying, DC to each contact of vehicle socket in the control cabinet and vehicle interface simulator
+, DC-, PE, S+, S-, CC1, CC2, A+, A- respectively correspond Artificial switch Q1~Q9, it can be achieved that each road fault simulation；
R4 resistance simulation circuit, R5 resistance simulation circuit are had in control cabinet and vehicle interface simulator；
The vehicle BMS simulation system of the control cabinet and vehicle interface simulator by CAN interface be tested it is off-board
Charger communication, for simulated battery demand packet state and communication therefore is waited, and carries out communication protocal conformance test；
Between the DC+ and PE insulation fault emulation can be carried out by the insulation artifical resistance of Q17 and first；DC- and PE it
Between can pass through Q18 and second insulation artifical resistance carry out insulation fault emulation；
Described charging interface S+, S-, CC1, CC2, A+ and A- can pass through conducting switch Q11~Q16 and resistance simulation respectively
The emulation of fault to ground.
The high-precision power meter includes the first high-precision power meter and the second high-precision power meter；Described first is high-precision
Degree power meter is used to acquire the output voltage, output electric current and output power of programmable power supply；The second high-precision power meter
Acquire output voltage, output electric current and the output power in programmable DC load.
The test software for providing secondary programmable interface, realize user to test business, testing process, data at
The exploitation again and definition of reason and report generation；
Labview programming can be used in the test software.
The programmable DC load includes load cabinet, data collection system, automatic control system, radiator, guarantor
Protection unit, auxiliary control and PC machine software.
As shown in figure 4, a kind of electric car non-on-board charger automatic testing method, it includes: the method step
It is as follows:
S1: the main power source, non-on-board charger power supply and control power supply of system are connected；
S2: the charging gun of non-on-board charger is inserted into the charging socket of the control cabinet and vehicle interface simulator
In；
S3: starting industrial personal computer runs test software；
S4: closure programmable DC load breaker switch starts DC load；
S5: operation test software is tested；
S6: test report, shutdown test system are generated.
The step S1 includes:
Main power source input is three-phase 380V industrial-frequency alternating current, connects 5 lines of A, B, C, N and PE of power grid；Wherein A, B, C
Line is non-interchangeable；
Non-on-board charger power supply is charging pile power supply, is separately connected the end A, B, C, N and PE of charging pile；Wherein, A, B, C
Line is non-interchangeable；
Control power input is single-phase 220V industrial-frequency alternating current, connects L, N and PE of power grid.
Detailed process is as follows for generation test report in the step S6:
S61: " test report " icon is clicked in program main interface, into test report interface；
S62: " template " menu is clicked, the template of corresponding test program is selected；
S63: " data " menu is clicked, the file comprising test result is chosen；
S64: clicking " compiling " menu, and data compile automatically；
S65: " generation " menu is clicked, selection generates the file path of report and filename generates test report.
By adopting the above-described technical solution, the present invention can electrical property to non-on-board charger and interoperability carry out
Comprehensive detection to judge whether the electrical property of non-on-board charger meets standard requirements, and judges whether to meet interoperability
Property clause requirement, detection project can manage neatly, and device parameter configuration is convenient, no artificial error in reading, and detection efficiency is high.
Embodiment 2, as shown in Figure 1 to Figure 3；A kind of electric car non-on-board charger automatic checkout system, it includes:
Programmable AC Power Source, programmable DC load, battery voltage analog device, data collecting card, high-precision power meter, oscillography
Device, control cabinet and vehicle interface simulator, CAN card, serial server, signal gating device, industrial personal computer, test software.
The serial server and the Programmable AC Power Source, programmable DC load, the control cabinet and vehicle
Interface simulator, the high accuracy number power meter, the high-performance data capture card, the signal gating device and described
Industrial personal computer homogeneously connects；It is communicated using RS485, completes data interaction；
The Programmable AC Power Source is connect by connecting terminal with tested non-on-board charger, high-precision power meter, institute
State output voltage, electric current, the power etc. of high-precision power meter acquisition programmable power supply；
The control cabinet and vehicle interface simulator one end are connected by DC charging rifle is tested non-on-board charger, separately
One end is loaded by cable connection programmable DC, the output electricity in the high-precision power meter acquisition programmable DC load
Pressure, electric current, power etc.；
The industrial personal computer is connect with the oscillograph, serial server, is run test software, is completed the automatic of test item
Control, data and waveform acquisition, and automatically generate report.
The Programmable AC Power Source uses modularity control, and rectification module, inverter module are mutually indepedent, between phase line mutually
Independent, the band for meeting non-on-board charger, which carries, to be required, and is met in NB/T 33008.1-2013 about voltage dip, wanting of falling
It asks, such as voltage dip, interruption, frequency hopping, three-phase imbalance, harmonic wave and the abnormal shape of fluctuation flickering occur for analog power grid
Condition.The Programmable AC Power Source has input overvoltage/undervoltage, inputted under-frequency, output overcurrent, output overvoltage/undervoltage, IGBT event
Safeguard measures, the blowers such as barrier, output phase shortage, output short-circuit, output thermal overload can reduce survey according to heatsink temperature stepped starting
Noise when examination reduces power of fan loss, and it is aobvious to have the basic electrical energy parameter such as voltage, electric current, frequency, active and reactive, harmonic wave
Show.The Programmable AC Power Source has line impedance compensation ability, and there are external voltage acquisition interfaces, can carry out in interface
Setting
Programmable DC load mainly include load cabinet, data collection system, automatic control system, radiator,
The parts such as protective device, auxiliary control and PC machine software have the various electric powered motor loads of simulation using unitary design
The ability for the overall process that charges, such as constant-resistance mode, constant current mode, constant power mode can set constant-resistance, perseverance by upper computer software
The discharge parameter of stream, constant power mode, including discharge voltage, discharge resistance bound, discharge current limit value, electric discharge number of segment, with
And every section of discharge time etc..The programmable DC load is made of purely resistive load, can be had remotely with local independent control
Overload, overcurrent, short circuit, overvoltage/undervoltage, interlock of fan, thermal overload protection function.
Use the display screen with touch function.It can show phase voltage, phase current, power factor, frequency, load time, temperature
Degree etc..
The battery voltage analog device is made of 1 20 kilowatts of bidirectional energy-storage power module, can simulate different energy storage
The output characteristics of battery, battery charging/discharging characteristic curve, such as lithium battery, lead-acid battery, nickel-based battery etc. can be cut automatically and quickly
It changes and completes constant voltage (0-100%), in constant current (0-100%) and firm power (5-100%) operation and power supply
The simulation of resistance.Direct current output area is 10-1000V, is connected between the host and slave inside equipment by CANBUS line, if
The standby alternating current by 380V, DC output side are two DC leadouts.
The failures such as the control cabinet and vehicle interface simulator analog guiding resistance variations, signal ground/open circuit are opened
Close division logic, cooperation power supply and the achievable non-on-board charger electrical characteristic of load, charging guiding and unification of communication protocol
Whole projects of test.
The high-precision power meter acquire tested non-on-board charger input three-phase voltage, current signal and control cabinet and
DC voltage and current signal inside vehicle interface simulator.
6 Semi-digital multimeters built in the data collecting card, totally 20 channels.Acquire the control cabinet and vehicle interface
The voltage value of sampled point 1, sampled point 4 in simulator, can measure and convert 11 kinds of different input signals: temperature, straight
Stream/alternating voltage, 2 and 4 wire resistance, frequency and period, DC/AC electric current etc..
Signal gating of achievable 14 channel of signal gating device to 4 channels, program-controlled gating cooperate real with oscillograph
Now to the automatic collection of signal.
The serial server supports RS232, RS485 communication, completes data interaction, the serial server with industrial personal computer
Independent full duplex work, can be configured to different baud rates, each serial ports has independent TCP connection indicator light and data activity to refer to
Show lamp.
The oscillograph acquisition output DC voltage, is tested direct current non-on-board charger input terminal at output DC current
The signal of the CAN-H/CAN-L on test point 1,2 and CAN card inside monophase current signal and simulator.
The industrial personal computer runs test software, completes the automatic control of test item, data and waveform acquisition, and give birth to automatically
At report.
The test software background terminal is programmed using Labview, by the various signal access systems during experiment, into
The comprehensive data analysis of row；The electrical quantity and switching value information of the entire test platform of system acquisition, are monitored state；Test
Software carries out self-test to system, checks last state, the wiring condition of various kinds of equipment.When system exception occurs or self-test is asked
When topic, alert, display alarm screen (including switch, line, state etc.) simultaneously take corresponding movement.According to urgent
Degree is divided into: normal, alarm, tripping three grades, system have installed sound-light alarm facility.Self-test type includes software starting
Self-test, timer-controlled self-inspection etc. are exited in self-test, software.
The test software provides secondary programmable interface, realize user to test business, testing process, data processing,
The exploitation again and definition task of report generation etc..
In order to avoid maloperation causes equipment breakdown, system has fool proof interlock function；System acquisition is each
The three-phase voltage and electric current of sampled point are judged.If voltage, electric current are more than limit value, alarm or trip signal are provided.System
System acquisition Temperature Humidity Sensor, smoke sensor device, various switching values signal then send out when above-mentioned monitoring quantity is abnormal variation
Alarm or trip signal out.Such as temperature signal, blower signal of DC load etc..
In entire test process, power meter, oscillograph, various sensors acquire Various types of data, are sent into controller with after
Platform industrial personal computer, carries out test data analysis and condition monitoring system selects multiple monitoring quantities to be monitored, and guarantees the safety of equipment
It runs and finds the problem in time, the operating status of equipment is monitored, alarm signal and tripping are issued if being abnormal
Signal.
Further, there is on-off emulation to each contact of vehicle socket in the control cabinet and vehicle interface simulator
Function, DC+, DC-, PE, S+, S-, CC1, CC2, A+, A- respectively correspond Artificial switch Q1~Q9, it can be achieved that each road fault simulation,
Each switch two sides all have standard 4mm banana bin, and each position of the switch can be looked by the signal lamp on panel
It sees；R4 resistance simulation circuit, R5 resistance simulation circuit are had in control cabinet and vehicle interface simulator.
The vehicle BMS simulation system of the control cabinet and vehicle interface simulator by CAN interface be tested it is off-board
Charger communication, simulated battery demand packet state and communication failure etc. carry out communication protocal conformance test.
Between the DC+ and PE insulation fault emulation can be carried out by Q17 and insulation artifical resistance；It can between DC- and PE
Insulation fault emulation is carried out by Q18 and insulation artifical resistance；
Described charging interface S+, S-, CC1, CC2, A+ and A- can pass through conducting switch Q11~Q16 and resistance simulation respectively
The emulation of fault to ground；
The control system of the control cabinet and vehicle interface simulator is using DSP as core, IO input and output and analog quantity
Acquisition is made of peripheral circuit, is communicated with secondary collection control unit using RS485, receives and instruct and return to internal state, together
When with interior vehicle BMS simulation softward carry out linkage control.
The voltage sensor and current sensor can provide acquisition signal to external power analyzer and oscillograph.
Further include the test having to system, test process is as follows:
1) exact p-value is connected, by checking whether charger can judge that vehicle is inserted by measuring the voltage value of test point 1
The connection status of head and vehicle socket, and enter corresponding charged state.Power supply unit (DC charging) test point and correlation-like
State test request is as shown in table 1 below:
1 power supply unit test point of table and correlated condition test request
R4, R5 resistance simulation circuit in the control cabinet and vehicle interface simulator, 5 resistance gears of analog,
Respectively 500 Ω, 970 Ω, 1000 Ω, 1030 Ω and 2000 Ω, resistance precision 0.2%F.S., power > 0.5W, by adjusting
The charging interface of R4, R5 resistance value simulation electric car.
2) the self-test stage tests,
The vehicle BMS simulation system of the control cabinet and vehicle interface simulator distinguishes simulating vehicle communication handshake message
Interior highest allows charging total voltage in charger output voltage range, is more than charger output voltage range upper limit value, low
In charger output voltage range lower limit value, stage K3 and K4 state, K1 and K2 state are checked, measurement auxiliary power supply circuit
Voltage value and current value stablize the voltage value for the DC loop that charges after output, after the completion of Insulation monitoring, inspection when measuring Insulation monitoring
It looks into charging interface voltage during releasing and drops to 60V DC time below, K1 and K2 state, check the phase communication state, examine
Look into the stage vehicle interface lockup state.
3) the ready test of charging
The vehicle BMS simulation system of the control cabinet and vehicle interface simulator simulates normal vehicle end battery respectively
(contactor outer end voltage is with communication message battery voltage error range≤± 5% and in charger normal output voltage model for voltage
In enclosing), improper vehicle end cell voltage (contactor outer end voltage and communication message battery voltage error range > ± 5% and/
Or not within the scope of charger normal output voltage), check stage K1 and K2 state, charged state；Check the phase communication
State；Check the stage vehicle interface lockup state.
4) charging stage tests
In charging process, " battery is sent using the vehicle BMS simulation system of the control cabinet and vehicle interface simulator
Charge requirement " message checks the stage charged state；Output voltage control error testing is carried out respectively, output current control is missed
Difference test, output electric current adjustment time test；Check the phase communication state；Check the stage vehicle interface lockup state.
5) end test is charged normal, in normal charging process, charger is implemented to stop charging instruction, checks the rank
Section charged state, K1 and K2 state, K3 and K4 state；When stopping charging, carries out output electric current and stop rate test；Charging knot
Beam, charging interface voltage drops to the 60V DC time below during inspection is released；Check the phase communication state；Check the rank
Section vehicle interface lockup state.
In normal charging process, the vehicle BMS simulation system of the control cabinet and vehicle interface simulator is sent
" BMS stops charging " message and " BMS statistical data " message, equally carry out above-mentioned inspection.
6) charging connection control sequential is tested
Led to using the vehicle BMS simulation system of the control cabinet and vehicle interface simulator and tested charger
Letter, simulating vehicle interface connection status, K5 and K6 state, battery status etc. check test point 1 in charging connection control process
Voltage value, K1 and K2 state, K3 and K4 state, charged state, communications status, vehicle interface lockup state, charged state conversion
Interval time.
7) charging abnormality test, in normal charging process, utilizes the control cabinet and vehicle interface simulator
Vehicle BMS simulation system analog communication time-out (using as connection S+ broken string, connection S- broken string, connection S+ and S- it
Between short circuit, vehicle BMS simulation softward stop sending one of failure modes such as message), switch S disconnect, vehicle interface disconnection
Test, output voltage are more than the test such as vehicle permissible value, check the phase communication state, charged state, K1 and K2 state, K3 and
K4 state, vehicle interface lockup state；The overtime connection for also needing to detect whether can be carried out the three-way handshake identification stage of communication, and
Whether can be charged normal after reconnecting successfully.
8) charge control output test
Charger setting is run under constant pressure, constant current state, in normal charging process, utilizes the control cabinet and vehicle
Charging voltage, current needs value is arranged, surely in " the battery charge requirement " that the vehicle BMS simulation system of interface simulator is sent
Output voltage is measured after fixed output, exports the maximum value of electric current, to calculate output voltage, output current control errors；In perseverance
When running under stream mode, measurement electric current is also needed to reach the interval time of target value.
As shown in figure 4, a kind of electric car non-on-board charger automatic testing method, it includes: the method step
It is as follows:
1) main power source, non-on-board charger power supply and control power supply of system are connected, main power source input is three-phase 380V
Industrial-frequency alternating current connects 5 lines of A, B, C, N and PE of power grid (A, B, C line are non-interchangeable)；Non-on-board charger power supply is to fill
Electric stake power supply, is separately connected the end A, B, C, N and PE of charging pile (A, B, C line are non-interchangeable)；It is single-phase for controlling power input
220V industrial-frequency alternating current connects L, N and PE of power grid.
2) charging gun of non-on-board charger is inserted into the charging socket of the control cabinet and vehicle interface simulator.
3) start Programmable AC Power Source, for waiting and entering power supply control interface to main power source and control power supply power supply；
Power supply " long-range/local " knob is screwed to " long-range " position, " mode " menu of control interface is clicked, selects " long-range " mode；
4) start industrial personal computer, test software is run, into program main interface；"+" number is clicked after into in-service monitoring interface
Enter loader afterwards, starting programmable power supply exports three-phase 380V power frequency AC, powers for non-on-board charger.
5) it is closed programmable DC load breaker switch, " long-range/local knob " is screwed to " long-range " position, Ji Keqi
Dynamic DC load.
6) operation test software is tested, and clicks main interface " test program " icon, into interface after order " opening " dish
It is single, the program file to be tested is selected, Edit menu is clicked, the project to be tested is selected, is closed after preservation；?
Software main interface clicks " project implementation " icon, into after executing interface, clicks " opening " menu, selects to protect in " test program "
The test program deposited, the test of relevant item can be started by clicking " execution " button.According to the prompt in program operation process into
Row such as is swiped the card at the operation.
7) test report is generated, " test report " icon is clicked in program main interface, into test report interface, clicks
" template " menu, selects the template of corresponding test program, clicks " data " menu, choose comprising test result file (with
The testing time of test program is named)；" compiling " menu is clicked, data compile automatically, click " generation " menu, and selection generates
The file path and filename of report produce test report.
8) shutdown test system clicks " in-service monitoring " in the program main interface of test software, into in-service monitoring interface,
AC_DC Power label is selected, the Close button is clicked, closes power supply；Close non-on-board charger detection platform test device
The power switch of all devices；Industrial personal computer is closed, Programmable AC Power Source, programmable DC load and DC charging machine examination are disconnected
Survey all killer switches of platform test device；
9) non-on-board charger detection platform test device and power supply wiring are removed, extracts charging gun.
By adopting the above-described technical solution, the present invention can electrical property to non-on-board charger and interoperability carry out
Comprehensive detection to judge whether the electrical property of non-on-board charger meets standard requirements, and judges whether to meet interoperability
Property clause requirement, detection project can manage neatly, and device parameter configuration is convenient, no artificial error in reading, and detection efficiency is high.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still
It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, should all cover within the scope of the claims of the present invention.
Claims (8)
1. a kind of electric car non-on-board charger automatic checkout system, which is characterized in that the system comprises have: programmable to hand over
Galvanic electricity source, programmable DC load, battery voltage analog device, data collecting card, high-precision power meter, oscillograph, control cabinet
And vehicle interface simulator, CAN card, serial server, signal gating device, industrial personal computer and test software；
The serial server respectively with the Programmable AC Power Source, programmable DC load, the control cabinet and vehicle
Interface simulator, the high accuracy number power meter, the high-performance data capture card, CAN card, the signal gating device
It is connected with the industrial personal computer；
The Programmable AC Power Source is connect by connecting terminal with tested non-on-board charger, high-precision power meter；
The control cabinet and vehicle interface simulator one end are connected by DC charging rifle is tested non-on-board charger, the other end
It is loaded by cable connection programmable DC；
The industrial personal computer is connect with the oscillograph, serial server, for running test software, acquisition data and waveform, and
Automatically generate report；
The battery voltage analog device is used to simulate output characteristics, the battery charging/discharging characteristic curve of different energy-storage batteries；
The control cabinet and vehicle interface simulator for simulate guiding resistance variations, these failures of signal ground/open circuit and
Switch division logic；
The serial server can be communicated by RS232 and/or RS485 communication mode with industrial personal computer, and data interaction is completed；
The oscillograph is used to acquire output DC voltage, output DC current, is tested direct current non-on-board charger input terminal
The signal of test point inside monophase current signal, simulator and the CAN-H/CAN-L on CAN card；
The signal gating device is used to complete the signal gating in 14 channels to 4 channels, and program-controlled gating cooperates with oscillograph and realizes
To the automatic collection of signal.
2. electric car non-on-board charger automatic checkout system as described in claim 1, which is characterized in that the control cabinet
And have an on-off copying to each contact of vehicle socket in vehicle interface simulator, DC+, DC-, PE, S+, S-,
CC1, CC2, A+, A- respectively correspond Artificial switch Q1~Q9, it can be achieved that each road fault simulation；
R4 resistance simulation circuit, R5 resistance simulation circuit are had in control cabinet and vehicle interface simulator；
The vehicle BMS simulation system of the control cabinet and vehicle interface simulator is by CAN interface and is tested off-board charging
Machine communication, for simulated battery demand packet state and communication therefore is waited, and carries out communication protocal conformance test；
Between the DC+ and PE insulation fault emulation can be carried out by the insulation artifical resistance of Q17 and first；It can between DC- and PE
Insulation fault emulation is carried out by the insulation artifical resistance of Q18 and second；
Described charging interface S+, S-, CC1, CC2, A+ and A- can be respectively by being connected switch Q11~Q16 and resistance simulation over the ground
The emulation of failure.
3. electric car non-on-board charger automatic checkout system as described in claim 1, which is characterized in that the high-precision
Power meter includes the first high-precision power meter and the second high-precision power meter；The first high-precision power meter can for acquiring
Program the output voltage, output electric current and output power of power supply；The second high-precision power meter acquisition programmable DC load
On output voltage, output electric current and output power.
4. electric car non-on-board charger automatic checkout system as described in claim 1, which is characterized in that the test is soft
Part realizes user to test business, testing process, data processing and report generation again for providing secondary programmable interface
Exploitation and definition；
Labview programming can be used in the test software.
5. electric car non-on-board charger automatic checkout system as described in claim 1, which is characterized in that described programmable
DC load includes load cabinet, data collection system, automatic control system, radiator, protective device, auxiliary control and PC
Machine software.
6. a kind of electric car non-on-board charger automatic testing method, which is characterized in that the method comprises the following steps:
S1: the main power source, non-on-board charger power supply and control power supply of system are connected；
S2: the charging gun of non-on-board charger is inserted into the charging socket of the control cabinet and vehicle interface simulator；
S3: starting industrial personal computer runs test software；
S4: closure programmable DC load breaker switch starts DC load；
S5: operation test software is tested；
S6: test report, shutdown test system are generated.
7. electric car non-on-board charger automatic testing method as claimed in claim 6, which is characterized in that the step S1
Include:
Main power source input is three-phase 380V industrial-frequency alternating current, connects 5 lines of A, B, C, N and PE of power grid；Wherein A, B, C line is not
It is interchangeable；
Non-on-board charger power supply is charging pile power supply, is separately connected the end A, B, C, N and PE of charging pile；Wherein, A, B, C line is not
It is interchangeable；
Control power input is single-phase 220V industrial-frequency alternating current, connects L, N and PE of power grid.
8. electric car non-on-board charger automatic testing method as claimed in claim 6, which is characterized in that the step S6
In generation test report detailed process is as follows:
S61: " test report " icon is clicked in program main interface, into test report interface；
S62: " template " menu is clicked, the template of corresponding test program is selected；
S63: " data " menu is clicked, the file comprising test result is chosen；
S64: clicking " compiling " menu, and data compile automatically；
S65: " generation " menu is clicked, selection generates the file path of report and filename generates test report.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672961A (en) * | 2019-10-17 | 2020-01-10 | 国网河北省电力有限公司电力科学研究院 | Mobile detection platform based on vehicle-mounted integration |
| CN111157822A (en) * | 2020-01-03 | 2020-05-15 | 云南电网有限责任公司电力科学研究院 | Testing arrangement and system to many output port direct current charger |
| CN111442800A (en) * | 2020-04-26 | 2020-07-24 | 中汽研汽车检验中心（天津）有限公司 | Integrated test system for charging and discharging connection system of electric automobile |
| CN111551799A (en) * | 2020-04-09 | 2020-08-18 | 国网冀北电力有限公司计量中心 | Detection system and method for direct-current charger |
| CN111812533A (en) * | 2020-06-22 | 2020-10-23 | 深圳市瑞能时代科技有限公司 | Electric vehicle power battery detection system, method and device and upper computer |
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| CN112067921A (en) * | 2020-08-10 | 2020-12-11 | 广州汽车集团股份有限公司 | Conduction charging test system and method for electric vehicle |
| CN112477669A (en) * | 2020-12-25 | 2021-03-12 | 深圳市永联科技股份有限公司 | Fault self-recognition protection method for charging module output key device |
| CN112578202A (en) * | 2020-11-30 | 2021-03-30 | 国网北京市电力公司 | Charging test system and electric automobile |
| CN113219279A (en) * | 2021-04-21 | 2021-08-06 | 成都艾默泰克科技有限公司 | New energy automobile alternating current charging test system and test method |
| CN113311279A (en) * | 2021-07-06 | 2021-08-27 | 国网上海市电力公司 | Self-power-taking and self-loading non-vehicle-mounted charger testing method |
| CN113341240A (en) * | 2021-04-21 | 2021-09-03 | 广州亚美信息科技有限公司 | Function test equipment and method for vehicle-mounted electronic product |
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| CN114895150A (en) * | 2022-03-21 | 2022-08-12 | 中国第一汽车股份有限公司 | Electric vehicle insulation function verification method and device, terminal and storage medium |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063953A (en) * | 2012-12-25 | 2013-04-24 | 中国电力科学研究院 | Energy efficiency testing system of electric car non-vehicle-mounted charging machine |
| CN107677905A (en) * | 2017-09-23 | 2018-02-09 | 国网江西省电力公司电力科学研究院 | A kind of off-board charging machine detecting device of electric automobile |
-
2018
- 2018-09-12 CN CN201811061816.XA patent/CN109212351A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063953A (en) * | 2012-12-25 | 2013-04-24 | 中国电力科学研究院 | Energy efficiency testing system of electric car non-vehicle-mounted charging machine |
| CN107677905A (en) * | 2017-09-23 | 2018-02-09 | 国网江西省电力公司电力科学研究院 | A kind of off-board charging machine detecting device of electric automobile |
Non-Patent Citations (2)
| Title |
|---|
| 朱彬 等: "电动汽车充电设施互操作性测试方法研究", 《电测与仪表》 * |
| 朱彬: "电动汽车直流充电机自动检测平台设计", 《电网与清洁能源》 * |
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| CN111157822A (en) * | 2020-01-03 | 2020-05-15 | 云南电网有限责任公司电力科学研究院 | Testing arrangement and system to many output port direct current charger |
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| CN113341240A (en) * | 2021-04-21 | 2021-09-03 | 广州亚美信息科技有限公司 | Function test equipment and method for vehicle-mounted electronic product |
| CN113311279A (en) * | 2021-07-06 | 2021-08-27 | 国网上海市电力公司 | Self-power-taking and self-loading non-vehicle-mounted charger testing method |
| CN114397830A (en) * | 2022-01-14 | 2022-04-26 | 西安领充创享新能源科技有限公司 | Electric automobile alternating-current charging and discharging simulation control system and test system |
| CN114397830B (en) * | 2022-01-14 | 2024-03-29 | 西安领充创享新能源科技有限公司 | Electric automobile alternating-current charge-discharge simulation control system and test system |
| CN114895150A (en) * | 2022-03-21 | 2022-08-12 | 中国第一汽车股份有限公司 | Electric vehicle insulation function verification method and device, terminal and storage medium |
| CN114610004A (en) * | 2022-05-10 | 2022-06-10 | 深圳市星卡软件技术开发有限公司 | Method and device for testing circuit fault of automobile and computer equipment |
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