CN109470956A - Direct current charging pile detection system and method for electric automobile - Google Patents
Direct current charging pile detection system and method for electric automobile Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims description 74
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention provides a system and a method for detecting a direct current charging pile of an electric automobile, wherein the method comprises the following steps: the controller is connected with the memory, the analog load controller and the electric parameter sensor; the analog load controller is connected with an analog battery load and used for driving the working mode of the analog battery load; the simulation battery load is connected with a charging interface used for being connected with a charging pile to be detected; the memory is used for storing parameter models corresponding to all working modes of the simulated battery load; the electrical parameter sensor is used for detecting corresponding electrical parameters when the simulated battery load is in each working state; the controller is configured to: controlling the analog load controller to drive the analog battery load to be in a preset working mode; acquiring a corresponding electrical parameter detected by the electrical parameter sensor; and judging whether the charging pile to be detected is intact according to whether the electrical parameters accord with the parameter model in the memory.
Description
Technical field
The present invention relates to field of new energy technologies, in particular to it is a kind of for electric car direct-current charging post detection system and
Method.
Background technique
With the development of science and technology, electric car enters extensive demonstration operation, as its important foundation component part
Charging pile studied extensively.Safe and reliable charging is the necessary condition that electric car develops in a healthy way, the performance of charging pile
In the service life that power accumulator is directly influenced whether quality, safety, the safe and reliable operation of power grid is even threatened when serious.
Charging equipment of electric automobile mainly includes Vehicular charger and two kinds of non-on-board charger, and non-on-board charger can
DC power supply directly is provided for power accumulator, therefore also known as direct-current charging post, installation is that direct current fills in general charging station
Electric stake.With extensive investment construction electrically-charging equipment, the multiplication of charging equipment of electric automobile quantity, wide variety in the market, with this
Bring is that the problems such as frequent, new and old national standard executes confusion, equipment quality is irregular occurs for charge fault, therefore is badly in need of simultaneously
Add electric automobile charging pile detection system.In view of site environment is complicated, installation and debugging are difficult, only with manual test
Method is no longer satisfied the demand of direct current charging pile field detection.
Therefore, how a kind of detection scheme for electric car direct-current charging post is provided, direct-current charging post is able to solve
The problem of on-site test service ability deficiency ensures to the periodic detection of charging pile overall performance, be those skilled in the art urgently
Technical problem to be solved.
Summary of the invention
In view of this, the purpose of the present invention is to provide one kind to be used for electric car direct-current charging post detection system and side
Method, the problem of being able to solve direct current charging pile field detection service scarce capacity, ensure the regular inspection to charging pile overall performance
It surveys.Its concrete scheme is as follows:
On the one hand, the present invention provides a kind of for electric car direct-current charging post detection system, comprising:
Controller, the memory being connect with the controller, simulation load governor, electrical parameter sensor；
The simulation load governor is connected with simulated battery load, for driving the Working mould of the simulated battery load
Formula；
The simulated battery load is connected with the charging interface for connecting with charging pile to be detected；
The memory, for storing the corresponding parameter model of each operating mode of the simulated battery load；
The electrical parameter sensor, when being in each working condition for detecting the simulated battery load, corresponding electricity ginseng
Number；
The controller, is used for: the control simulation load governor is to drive the simulated battery load to be in default
Operating mode；Obtain the corresponding electrical parameter of the electrical parameter sensor detection；Whether meet described deposit according to the electrical parameter
Parameter model in reservoir judges whether the charging pile to be detected is intact.
Preferably, further includes: the communication module being connect with the controller；
The communication module, for connecting the charging communication interface of the controller Yu the charging pile to be detected；
The controller is also used to when failures are detected, control the charging pile to be detected and stop working.
Preferably, the communication module is CAN bus communication module.
Preferably, further includes: the human-computer interaction module being connect with the controller；
The human-computer interaction module, comprising: input unit；The input unit is for receiving the simulated battery load
Parameter and corresponding operating mode.
Preferably, the human-computer interaction module, comprising: display unit；
The display unit is used to show the real-time electrical parameter under the corresponding operating mode of the simulated battery load.
Preferably, further includes: the temperature sensing connecting with the controller, the temperature sensor is for detecting the mould
The real time temperature of quasi- battery load；
The controller, is also used to, and obtains the real time temperature, and judges whether the real time temperature meets the storage
The temperature model of device storage.
Preferably, further includes: the charging interface detection module being connect with the controller, for detecting the charging interface
It is whether intact.
Preferably, the charging interface, comprising: dc power interface, protective grounding mouth, charging confirmation mouth, low pressure auxiliary
Power interface, charging communication interface.
On the other hand, the present invention also provides one kind to be used for electric car direct-current charging post detection method, is applied to above-mentioned
Electric car direct-current charging post detection system is used for described in a kind of, comprising:
The simulation load governor is controlled to drive the simulated battery load to be in default operating mode；
Obtain the corresponding electrical parameter of the electrical parameter sensor detection；
Whether meet whether the parameter model in the memory judges the charging pile to be detected according to the electrical parameter
It is intact.
Preferably, it is described according to the electrical parameter whether meet the parameter model in the memory judge it is described to be detected
Whether charging pile is intact, comprising:
If the electrical parameter meets the parameter model in the memory, judge that the charging pile to be detected is intact；
If the electrical parameter does not meet the parameter model in the memory, judge that the charging pile to be detected is endless
It is good.
The present invention provides a kind of for electric car direct-current charging post detection system, comprising: controller, with the controller
Memory, the simulation load governor, electrical parameter sensor of connection；It is negative that the simulation load governor is connected with simulated battery
Lotus, for driving the operating mode of the simulated battery load；The simulated battery load be connected with for charging to be detected
The charging interface of stake connection；The memory, the corresponding parameter mould of each operating mode for storing the simulated battery load
Type；The electrical parameter sensor, when being in each working condition for detecting the simulated battery load, corresponding electrical parameter；Institute
State controller, be used for: the control simulation load governor is to drive the simulated battery load to be in default operating mode；It obtains
Take the corresponding electrical parameter of the electrical parameter sensor detection；Whether meet the parameter in the memory according to the electrical parameter
Model judges whether the charging pile to be detected is intact.It is specific that detection system provided by the invention can drive simulation load to enter
Working condition, and detect whether the parameter under the corresponding states meets parameter model, to obtain the quality of charging pile, energy
It enough solves the problems, such as direct current charging pile field detection service scarce capacity, ensures the periodic detection to charging pile overall performance.
It is provided by the invention a kind of for electric car direct-current charging post detection method, it may have above-mentioned beneficial effect,
This is repeated no more.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that one kind provided by a kind of specific embodiment of the present invention is used for electric car direct-current charging post detection system
Composition schematic diagram；
Fig. 2 is that one kind provided by a kind of specific embodiment of the present invention is used for electric car direct-current charging post detection system
Expansion composition schematic diagram；
Fig. 3 is a kind of electric car direct-current charging post detection system 100 provided by a kind of specific embodiment of the present invention
Structural schematic diagram；
Fig. 4 is the circuit topological structure of simulated battery load 150 provided by a kind of specific embodiment of the present invention；
Fig. 5 is a kind of composition schematic diagram of power battery model provided by a kind of specific embodiment of the present invention；
Fig. 6 is that one kind provided by a kind of specific embodiment of the present invention is used for electric car direct-current charging post detection method
Flow chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1, Fig. 2 are please referred to, Fig. 1 is that one kind provided by a kind of specific embodiment of the present invention is used for electric car direct current
The composition schematic diagram of charging pile detection system；Fig. 2 is that one kind provided by a kind of specific embodiment of the present invention is used for electronic vapour
The expansion composition schematic diagram of vehicle direct-current charging post detection system.
In a kind of specific embodiment of the invention, the embodiment of the present invention provides a kind of for electric car DC charging
Stake detection system 100, comprising: controller 110, the memory 120 being connect with the controller 110, simulation load governor
130, electrical parameter sensor 140；The simulation load governor 130 is connected with simulated battery load 150, for driving the mould
The operating mode of quasi- battery load 150；The simulated battery load 150 is connected with the charging for connecting with charging pile to be detected
Interface 160；The memory 120, for storing the corresponding parameter model of each operating mode of the simulated battery load 150；
The electrical parameter sensor 140, when being in each working condition for detecting the simulated battery load 150, corresponding electrical parameter；
The controller 110, is used for: the control simulation load governor 130 is to drive the simulated battery load 150 to be in default
Operating mode；Obtain the corresponding electrical parameter of the electrical parameter sensor detection；Whether meet described deposit according to the electrical parameter
Parameter model in reservoir 120 judges whether the charging pile to be detected is intact.
Further, in order to realize the communication between charging pile detection system 100 provided by the invention and charging pile, may be used also
The communication module 170 connecting with the controller 110 is arranged in charging detection system provided by the invention；The communication mould
Block 170, for connecting the charging communication interface of the controller 110 and the charging pile to be detected；The controller 110, also
It stops working for when failures are detected, controlling the charging pile to be detected.That is, being arranged on charging interface 160
Communication interface, such as CAN bus communication module 170 can be set by the communication module 170, led in the prior art
Letter connection, naturally it is also possible to be terminated using wireless communication, such as bluetooth etc..
Further, it operates and observes to be conducive to user to the charging pile detection system 100 for providing invention
The human-computer interaction module 180 connecting with the controller 110 can also be arranged in testing result；The human-computer interaction module 180,
It include: input unit；The input unit be used for receive the simulated battery load 150 parameter and corresponding Working mould
Formula.The human-computer interaction module 180 can also include: display unit；The display unit is for showing that the simulated battery is negative
Real-time electrical parameter under the corresponding operating mode of lotus 150.That is, input equipment, example can also be arranged on controller 110
Such as keyboard, the press key lamp of preset function, output equipment, such as display etc..
On the basis of above-mentioned specific embodiment, in the specific embodiment of the invention, it is contemplated that charging pile is being filled
When electric, a large amount of heat is issued, if the temperature of charging pile is excessively high, the heat dissipation performance of the charging pile is to be improved, so
It can also can also be arranged in detection system provided by the invention: the temperature sensing being connect with the controller 110, the temperature
Sensor is used to detect the real time temperature of the simulated battery load 150；The controller 110, is also used to, and obtains described real-time
Temperature, and judge whether the real time temperature meets the temperature model that the memory 120 stores.That is, for charging
Temperature when stake charging is also detected, and whether the heat dissipation for detecting the charging pile is good.
It is worth noting that before being detected to direct-current charging post, it is also necessary to detect detection system provided by the invention
It whether is able to carry out normal light current between system and direct-current charging post and forceful electric power connects, that is to say, that charging pile provided by the invention
Detection system 100 can also include: the charging interface detection module 190 connecting with the controller 110, described for detecting
Whether charging interface 160 is intact.Charging interface 160, comprising: dc power interface, protective grounding mouth, charging confirmation mouth, low pressure
Auxiliary power interface, charging communication interface.
That is, generally, having nine connecting interfaces, correspondingly, also want on direct-current charging post on charging interface 160
There are nine corresponding interfaces, respectively correspond are as follows: DC power supply positive and negative pin DC+ and DC-, protective grounding pin PE, charging connection
Confirm pin CC1, CC2, the positive and negative pin A+ and A- of low pressure accessory power supply, charging communication CAN_H pin S+ and charging communication CAN_L
Pin S-.The charging interface detection module 190 is by its charging interface 160 to each pin of direct-current charging post plug to be measured
It connects one by one, and measures its conducting situation of each pin contacts electric potential signal judgement by charging interface detection module 190,
Realize the work of interface connection status and the communication performance test to direct-current charging post, i.e. progress interoperability testing inspection.
The controller 110 realizes human-computer interaction, measurement receives and controls function with system using central control system as core
Energy.Firstly, being realized by the human-computer interaction interface in controller 110 to power battery model parameter (such as battery types, monomer electricity
Pool count, battery pack number, initial internal resistance, initial temperature, initial SOC, voltage rating etc.) setting, performance test item (such as pressure stabilizing
Precision, precision of steady current, electric current total harmonic distortion, power factor, voltage regulation factor, ripple factor etc.) selection and charge mode set
Determine (constant voltage mode, constant current mode, constant voltage and current limiting mode, constant current voltage limiting mode and pulse charge mode), later controller 110
Simulated battery load 150 is controlled according to power battery model, makes to load the charging spy for simulating set battery model in real time
Linearity curve completes direct-current charging post to the simulated operation of electric automobile power battery charging.Meanwhile controller 110 was being tested
Signal is measured to direct-current charging post in real time in journey to receive, and collected signal is analyzed and processed, and is needed
The electrical quantity and performance parameter of output, and user is fed back to by human-computer interaction interface.In addition, controller 110 is equipped with CAN bus
Communication function communicate always with direct-current charging post holding in test process, transmitting-receiving message, guarantee testing process go on smoothly or
The timely suspension of test failure.
In addition, being illustrated for the simulated battery load 150 provided in the embodiment of the present invention, the simulated battery load
150 cascade vehicle-mounted power battery pack using DC converter to constitute charging load topological structure.General detection system is adopted
Use relatively advanced program-controlled DC Electronic Loads as charging fictitious load, but in view of DC Electronic Loads own vol greatly and
Weight weight, it is outer by loading vehicles space, load-carrying or underground garage limit for height etc. when being used in the detection of electric car direct current charging pile field
It is limited in the condition of factor, constrains and answered using reality of this quasi-mode of DC Electronic Loads in direct current charging pile field detection
With.The present invention selects electric car as mobile platform, and while testing at the scene directlys adopt its vehicle-mounted power battery pack and makees
For charging load, additional configuration charging load can be saved, in the electric energy deposit on-vehicle battery to charge in test process, is not caused
Above-mentioned DC Electronic Loads mode is compared in waste, and theory is advanced, and systematic economy is efficient；Meanwhile formally seeing, it is constructed
It is a true test environment, can directly tests the actual motion performance and state of object-direct-current charging post to be measured.
The DC converter is by booster converter (Boost circuit) and buck converter (Buck circuit) two-stage cascade structure
At, and parallel three phase cross structure is used, switching tube current stress and converter output current ripple can be effectively reduced,
Improve converter capacity and power quality.Booster converter is by input lateral capacitance C1, three inductance (L1~L3), 3 IGBT (S1
~S3) and 3 freewheeling diode (D1~D3) constitute.Buck converter is by output lateral capacitance C3, three inductance (L4~L6), 3
IGBT(S4~S6) and 3 freewheeling diode (D4~D5) constitute.C2To cascade capacitor, to provide voltage support at cascade.
Fig. 3, Fig. 4, Fig. 5 are please referred to, Fig. 3 is a kind of electric car direct current provided by a kind of specific embodiment of the present invention
The structural schematic diagram of charging pile detection system 100；Fig. 4 is simulated battery load provided by a kind of specific embodiment of the present invention
150 circuit topological structure；Fig. 5 shows for a kind of composition of power battery model provided by a kind of specific embodiment of the present invention
It is intended to.
In the structural schematic diagram of electric car direct current charging pile field detection system shown in Fig. 3, the electric car
Direct current charging pile field detection system includes: interface detection module, 150 module of simulated battery load and virtual battery management system
Module.The socket of direct-current charging post to be measured is connected with the vehicle simulation socket of interface detection module, realizes to simulated battery load
150 charging, while virtual battery management system module controls simulated battery load 150 by its central control system
System makes it simulate the charging characteristic curve of practical power accumulator, completes the entire charging detection process of direct-current charging post.
The interface detection module includes vehicle simulation socket (namely charging interface 160) and interoperability testing unit
(namely charging interface detection module 190), vehicle simulation socket include nine connection pins, and it is positive and negative to be respectively as follows: DC power supply
Pin DC+ and DC-, protective grounding pin PE, charging connection confirm pin CC1, CC2, the positive and negative pin A+ of low pressure accessory power supply and
A-, charging communication CAN_H pin S+ and charging communication CAN_L pin S-.The interface detection module is inserted by its vehicle simulation
Seat connects each pin of direct-current charging post plug to be measured one by one, and measures each pin contacts by interoperability testing unit
Situation, work of the realization to interface connection status and the communication performance test of direct-current charging post is connected in electric potential signal and then its judged
Make, i.e., interoperability testing is examined.
Virtual battery management system (namely controller 110) using central control system as core, realize human-computer interaction,
Measurement receives and system control function.Firstly, being realized by the human-computer interaction interface in virtual battery management system to power electric
Pool model parameter (such as battery types, single battery number, battery pack number, initial internal resistance, initial temperature, initial SOC, specified electricity
Pressure etc.) setting, performance test item (such as the precision of voltage regulation, precision of steady current, electric current total harmonic distortion, power factor, voltage regulation factor,
Ripple factor etc.) selection and charge mode setting (constant voltage mode, constant current mode, constant voltage and current limiting mode, constant current voltage limiting mode and
Pulse charge mode), central control system controls simulated battery load 150 according to power battery model later, makes to bear
The charging characteristic curve for simulating set battery model in real time is carried, completes direct-current charging post to electric automobile power battery charging
Simulated operation.Meanwhile central control system during the test in real time to direct-current charging post measure signal receive and it is right
Collected signal is analyzed and processed, and obtains the electrical quantity and performance parameter for needing to export, and anti-by human-computer interaction interface
Feed user.In addition, virtual battery management system is equipped with CAN bus communication function, in test process always with direct-current charging post
Keep communication, receive and dispatch message, guarantee testing process go on smoothly or the timely suspension of test failure.
Fig. 4 show a kind of circuit topological structure of simulated battery load 150.In view of high-power program-controlled DC electronic
The volume of load is big, weight weight, and limitation when detecting at the scene vulnerable to loading vehicles space size factor, and the present invention selects straight
Current converter cascades vehicle mounted dynamic battery packet and constitutes simulated battery load 150.The power battery pack directly selects on-the-spot test
Vehicle self-carrying power accumulator can save additional charging load configuration, direct-current charging post electricity is directly stored in vehicle mounted electric
Chi Zhong, economizes on resources and economical and efficient.Two cascade circuit of direct current variator buck is constituted, and respectively Boost boosting becomes
Parallel operation and Buck buck converter.Booster converter is by input lateral capacitance C1, three inductance (L1~L3), 3 IGBT (S1~S3)
With 3 freewheeling diode (D1~D3) constitute.Buck converter is by output lateral capacitance C3, three inductance (L4~L6), 3 IGBT
(S4~S6) and 3 freewheeling diode (D4~D5) constitute.C2To cascade capacitor, to provide voltage support at cascade.Meanwhile in order to
It is effective to reduce switching tube current stress and converter output current ripple, improve converter capacity and power quality, the present invention
Using parallel three phase cross structure.
Fig. 5 is that the model of power battery model is constituted.Power battery model is by circuit model, thermal model and charge-discharge performance
Model is constituted.Circuit model is made of second order composite model, and quantification describes the circuit structure of power battery, parameter packet
Containing ohmic internal resistance, activation polarization internal resistance.Cell resistance calculation formula is as follows:
Rik=Risfk (1)
In formula, Rik: the reference resistance of single battery；fk: internal resistance correction factor.
Thermal model analyzes the variation of generation and temperature that internal heat is played in battery charging process, including Joule heat, electricity
Chemical reaction heat and polarization heat.Formula is as follows:
Qp+Qj=Ic 2RinΔt(J) (2)
Qr=-1.036 × 10-2Q1IcΔt(J) (3)
In formula, Δ t: for material calculation Qr: for electric reaction heat, Qp: for the heat that polarizes, Qj: for Joule heat, Ic: to fill
Electric current；Q1: chemical reaction substance, which is participated in, for unit reacts generated heat completely.
Calculate temperature change:
Single battery temperature: Tk+1=Tk+T (5)
In formula: C is battery thermal capacity；TrRadiating for battery influences, it is battery temperature T when being calculatedbWith environment temperature
TenvFunction, this function is different and different with selected power battery heat dissipation model.
Charge-discharge performance model then elaborates in battery charging process that the variation of battery charge state and cell emf is bent
The change curve of line or battery charge state and battery current, to the charging characteristic curve quantitative analysis of battery.Formula is as follows:
Ub(k+1)=K0-K1/SOCk-K2SOCk+K3ln(SOCk)+K4ln(1-SOCk)+IckRink (6)
In formula, SOC: battery charge state；Ub(k+1): battery port voltage；K0,K1,K2,K3,K4: fitting coefficient；Rink: electricity
Pond all-in resistance.
In formula, SOC: battery charge state；Ic(k+1): battery current；K0,K1,K2,K3,K4: fitting coefficient；Rink: battery is total
Resistance.
Power battery model provided in an embodiment of the present invention is made of circuit model, thermal model and charge-discharge performance model.
Circuit model using second order composite model describe inside battery ohmic internal resistance, activation polarization internal resistance and concentration polarization internal resistance with
Charge capacity increase and the case where change；Thermal model describes generation and its variation of temperature in inside battery charging process,
The generation of heat includes Joule heat, electric reaction heat and polarization heat, and the variation of temperature has close connection with heat
System；Charge-discharge performance model describes battery charge state SOC and the relation curve or electricity of cell emf during the charging process
Pond state-of-charge SOC and the relation curve of battery current during the charging process.Circuit model, thermal model and charge-discharge performance model
It combines, completely simulates the reality of power accumulator charge-discharge characteristic curve, internal heat temperature regime and internal resistance
Composition.Detect whether can correspondingly detect charging pile intact by electrical parameter to power battery and temperature parameter.
The embodiment of the present invention provides one kind for electric car direct-current charging post detection system 100, and simulation can be driven negative
Lotus enters specific working condition, and detects whether the parameter under the corresponding states meets parameter model, to be charged
The quality of stake, the problem of being able to solve direct current charging pile field detection service scarce capacity, ensure to charging pile overall performance
Periodic detection.
Referring to FIG. 6, Fig. 6 is that one kind provided by a kind of specific embodiment of the present invention is used for electric car DC charging
The flow chart of stake detection method.
In a kind of specific embodiment of the invention, the embodiment of the present invention also provides one kind and fills for electric car direct current
Electric stake detection method, applied to described in any of the above-described kind of specific embodiment be used for electric car direct-current charging post detection system
System 100, comprising:
S61: the control simulation load governor is to drive the simulated battery load to be in default operating mode；
S62: the corresponding electrical parameter of the electrical parameter sensor detection is obtained；
S63: the charging pile to be detected is judged according to whether the electrical parameter meets the parameter model in the memory
It is whether intact.
Further, it is described according to the electrical parameter whether meet the parameter model in the memory judge it is described to be checked
Whether intact survey charging pile, comprising:
If the electrical parameter meets the parameter model in the memory, judge that the charging pile to be detected is intact；
If the electrical parameter does not meet the parameter model in the memory, judge that the charging pile to be detected is endless
It is good.
The invention discloses a kind of for electric car direct-current charging post detection method and system be direct-current charging post life
It produces the links such as inspection, onsite acceptance, periodic detection, plant maintenance and removable automatic test platform is provided
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
One kind provided by the present invention has been carried out in detail for electric car direct-current charging post detection system and method above
Thin to introduce, used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. one kind is used for electric car direct-current charging post detection system characterized by comprising
Controller, the memory being connect with the controller, simulation load governor, electrical parameter sensor；
The simulation load governor is connected with simulated battery load, for driving the operating mode of the simulated battery load；
The simulated battery load is connected with the charging interface for connecting with charging pile to be detected；
The memory, for storing the corresponding parameter model of each operating mode of the simulated battery load；
The electrical parameter sensor, when being in each working condition for detecting the simulated battery load, corresponding electrical parameter；
The controller, is used for: the control simulation load governor is to drive the simulated battery load to be in default work
Mode；Obtain the corresponding electrical parameter of the electrical parameter sensor detection；Whether meet the memory according to the electrical parameter
In parameter model judge whether the charging pile to be detected intact.
2. according to claim 1 be used for electric car direct-current charging post detection system, which is characterized in that further include: with
The communication module of the controller connection；
The communication module, for connecting the charging communication interface of the controller Yu the charging pile to be detected；
The controller is also used to when failures are detected, control the charging pile to be detected and stop working.
3. according to claim 2 be used for electric car direct-current charging post detection system, which is characterized in that the communication mould
Block is CAN bus communication module.
4. according to claim 1 be used for electric car direct-current charging post detection system, which is characterized in that further include: with
The human-computer interaction module of the controller connection；
The human-computer interaction module, comprising: input unit；The input unit is used to receive the ginseng of the simulated battery load
Several and corresponding operating mode.
5. according to claim 4 be used for electric car direct-current charging post detection system, which is characterized in that the man-machine friendship
Mutual module, comprising: display unit；
The display unit is used to show the real-time electrical parameter under the corresponding operating mode of the simulated battery load.
6. according to any one of claims 1 to 5 be used for electric car direct-current charging post detection system, which is characterized in that
Further include: the temperature sensing connecting with the controller, the temperature sensor are used to detect the reality of the simulated battery load
Shi Wendu；
The controller, is also used to, and obtains the real time temperature, and judges whether the real time temperature meets the memory and deposit
The temperature model of storage.
7. according to any one of claims 1 to 5 be used for electric car direct-current charging post detection system, which is characterized in that
Further include: whether the charging interface detection module connecting with the controller is intact for detecting the charging interface.
8. according to claim 7 be used for electric car direct-current charging post detection system, which is characterized in that the charging
Mouthful, comprising: dc power interface, protective grounding mouth, charging confirmation mouth, low pressure auxiliary power interface, charging communication interface.
9. one kind is used for electric car direct-current charging post detection method, it is used for applied to as claimed in any one of claims 1 to 8
Electric car direct-current charging post detection system characterized by comprising
The simulation load governor is controlled to drive the simulated battery load to be in default operating mode；
Obtain the corresponding electrical parameter of the electrical parameter sensor detection；
Judge whether the charging pile to be detected is intact according to whether the electrical parameter meets the parameter model in the memory.
10. according to claim 9 be used for electric car direct-current charging post detection method, which is characterized in that the basis
The parameter model whether electrical parameter meets in the memory judges whether the charging pile to be detected is intact, comprising:
If the electrical parameter meets the parameter model in the memory, judge that the charging pile to be detected is intact；
If the electrical parameter does not meet the parameter model in the memory, judge that the charging pile to be detected is not intact.
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