CN209070040U - One kind being used for electric car direct-current charging post detection system - Google Patents
One kind being used for electric car direct-current charging post detection system Download PDFInfo
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Abstract
The utility model provides a kind of for electric car direct-current charging post detection system, comprising: controller, the memory connecting with the controller, simulation load governor, electrical parameter sensor, touch screen；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 touch screen, for receiving described in the parameter and corresponding operating mode and input of the simulated battery load；Show the real-time electrical parameter under the corresponding operating mode of the simulated battery load.The utility model provides hardware foundation for the detection of direct-current charging post, conducive to the periodic detection to charging pile overall performance.
Description
Technical field
The utility model relates to field of new energy technologies, in particular to a kind of to be used for electric car direct-current charging post detection system
System.
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, conducive to the periodic detection to charging pile overall performance, be those skilled in the art urgently
Technical problem to be solved.
Utility model content
In view of this, the purpose of this utility model is to provide one kind to be used for electric car direct-current charging post detection system,
The problem of being able to solve direct current charging pile field detection service scarce capacity, conducive to the periodic detection to charging pile overall performance.
Its concrete scheme is as follows:
One kind being used for electric car direct-current charging post detection system, comprising:
Controller, the memory being connect with the controller, simulation load governor, electrical parameter sensor, touch screen；
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 touch screen, for receive the simulated battery load parameter and corresponding operating mode and input institute
It states；Show the real-time electrical parameter under the corresponding operating mode of the simulated battery load.
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.
Preferably, the communication module is CAN bus communication module.
Preferably, further includes: the temperature sensing connecting with the controller, the temperature sensor is for detecting the mould
The real time temperature of quasi- cell load；
The memory is also used to store the corresponding temperature model of each operating mode of the simulated battery load.
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.
Preferably, the simulated battery load, comprising: DC transformer and the cascade power electric of the DC transformer
Chi Bao；
The DC transformer, comprising: cascade booster converter, buck converter；
The DC transformer is equipped with the first control for controlling the DC converter input voltage, input current
Device.
Preferably,
The booster converter is boost chopper；
The buck converter is buck circuit.
Preferably,
The power battery pack is set to electric car, and the power battery pack is by switching switch in the DC conversion
Device, the electric car electric control system between switch be electrically connected.
Preferably,
Further include: indicator light switchs current electric connection state for the switching.
The utility model provides a kind of for electric car direct-current charging post detection system, comprising: controller, with the control
Memory, the simulation load governor, electrical parameter sensor, touch screen of device connection processed；The simulation load governor is connected with
Simulated battery load, for driving the operating mode of the simulated battery load；The simulated battery load be connected with for
The charging interface of charging pile connection to be detected；The memory, for storing each operating mode pair of the simulated battery load
The parameter model answered；The electrical parameter sensor, it is corresponding when being in each working condition for detecting the simulated battery load
Electrical parameter；The touch screen, for receive the simulated battery load parameter and corresponding operating mode and input institute
It states；Show the real-time electrical parameter under the corresponding operating mode of the simulated battery load.The utility model is direct-current charging post
Detection provide hardware foundation, controller can be carried out by acquiring the parameter model stored in real-time electrical parameter and memory
It compares, thus the problem of judging the superiority and inferiority of direct-current charging post, being able to solve direct current charging pile field detection service scarce capacity, benefit
In the periodic detection to charging pile overall performance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is that one kind provided by a kind of specific embodiment of the utility model is detected for electric car direct-current charging post
The composition schematic diagram of system；
Fig. 2 is that one kind provided by a kind of specific embodiment of the utility model is detected for electric car direct-current charging post
The expansion composition schematic diagram of system；
Fig. 3 is a kind of electric car direct-current charging post detection system provided by a kind of specific embodiment of the utility model
100 structural schematic diagram；
Fig. 4 is the circuit topological structure of simulated battery load 150 provided by a kind of specific embodiment of the utility model；
Fig. 5 is a kind of composition schematic diagram of power battery model provided by a kind of specific embodiment of the utility model；
Fig. 6 is that one kind provided by a kind of specific embodiment of the utility model is detected for electric car direct-current charging post
The flow chart of method.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1, Fig. 2 are please referred to, Fig. 1 is that one kind provided by a kind of specific embodiment of the utility model is used for electric car
The composition schematic diagram of direct-current charging post detection system；Fig. 2 is a kind of use provided by a kind of specific embodiment of the utility model
In the expansion composition schematic diagram of electric car direct-current charging post detection system.
In a kind of specific embodiment of the utility model, the utility model embodiment provides a kind of for electric car
Direct-current charging post detection system 100, comprising: controller 110, the memory 120 being connect with the controller, simulation load control system
Device 130, electrical parameter sensor 140, touch screen 180；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 for connecting with charging pile to be detected
Interface；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 touch screen 180 is used
Described in the parameter and corresponding operating mode and input for receiving the simulated battery load；Show that the simulated battery is negative
Real-time electrical parameter under the corresponding operating mode of lotus.
On the basis of above-mentioned hardware, controller can be used for controlling the simulation load governor 130 described in driving
Simulated battery load 150 is in default operating mode；Obtain the corresponding electrical parameter of the electrical parameter sensor detection；According to institute
State the parameter model whether electrical parameter meets in the memory 120 judges whether the charging pile to be detected is intact.This is practical
The detection system of novel offer provides hardware foundation for controller carrying out practically detection mode.
Further, in order to make utility model provide charging pile detection system 100 be conducive to user operation and
Testing result is observed, the touch screen 180 connecting with the controller 110 can also be set；The touch screen 180, comprising: input
Unit；The input unit be used for receive the simulated battery load 150 parameter and corresponding operating mode.The touching
Screen 180 is touched, can also include: display unit；The display unit is used to show the corresponding work of the simulated battery load 150
Real-time electrical parameter under operation mode.That is, touch screen can also be arranged on controller 110 carries out human-computer interaction.
Further, in order to realize the communication between charging pile detection system 100 provided by the utility model and charging pile,
The communication module 170 connecting with the controller 110 can also be set in charging detection system provided by the utility model；Institute
Communication module 170 is stated, for connecting the charging communication interface of the controller 110 and the charging pile to be detected；The control
Device 110 is also used to when failures are detected, control the charging pile to be detected and stop working.That is, in charging interface
Communication interface is set on 160, such as CAN bus communication module 170 can be set by the communication module 170, in existing skill
It is communicatively coupled in art, naturally it is also possible to be terminated using wireless communication, such as bluetooth etc..
On the basis of above-mentioned specific embodiment, in specific embodiment of the present invention, it is contemplated that charging pile into
When row charging, 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 can also can also be arranged in detection system provided by the utility model: 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
The real time temperature, and judge whether the real time temperature meets the temperature model that the memory 120 stores.That is,
Temperature when for charging pile charging also detects, 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 inspection provided by the utility model
Whether normal light current and forceful electric power connection are able to carry out between examining system and direct-current charging post, that is to say, that the utility model provides
Charging pile detection system 100, can also include: the charging interface detection module 190 being connect with the controller 110, be used for
Whether intact detect the charging interface 160.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 utility model embodiment, the simulated battery
Load 150 cascades vehicle-mounted power battery pack using DC converter to constitute charging load topological structure.General detection system
Relatively advanced program-controlled DC Electronic Loads are all made of as charging fictitious load, but consider DC Electronic Loads own vol
Big and weight weight, when being used in the detection of electric car direct current charging pile field, by loading vehicles space, load-carrying or underground garage limit for height
Etc. external factors condition limitation, constrain using this quasi-mode of DC Electronic Loads direct current charging pile field detection on reality
Border application.The utility model select electric car as mobile platform, and at the scene test when directly adopt its vehicle-mounted power
Battery pack can save additional configuration charging load as charging load, in the electric energy deposit on-vehicle battery to charge in test process,
It does not cause to waste, compares above-mentioned DC Electronic Loads mode, theory is advanced, and systematic economy is efficient；Meanwhile formally seeing,
Constructed is a true test environment, can directly test object-direct-current charging post to be measured actual motion performance and
State.
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 provided by a kind of specific embodiment of the utility model
The structural schematic diagram of direct-current charging post detection system 100；Fig. 4 is simulation provided by a kind of specific embodiment of the utility model
The circuit topological structure of battery load 150；Fig. 5 is a kind of power battery provided by a kind of specific embodiment of the utility model
The composition schematic diagram of model.
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, the utility model choosing
Simulated battery load 150 is constituted with DC converter cascade vehicle mounted dynamic battery packet.The power battery pack directly selects scene
The self-powered battery of vehicle is tested, additional charging load configuration can be saved, direct-current charging post electricity is directly stored in vehicle
It carries in battery, economizes on resources and economical and efficient.Two cascade circuit of direct current variator buck is constituted, respectively Boost liter
Buckling parallel operation and Buck buck converter.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.Meanwhile
In order to effectively reduce switching tube current stress and converter output current ripple, converter capacity and power quality are improved, originally
Utility model uses 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+1Tk+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 by the embodiment of the utility model is by circuit model, thermal model and charge-discharge performance model structure
At.Circuit model is described in inside battery ohmic internal resistance, activation polarization internal resistance and concentration polarization using second order composite model
The case where resistance changes as charge capacity increases；Thermal model describes generation and its change of temperature in inside battery charging process
Change, the generation of heat include Joule heat, electric reaction heat and polarization heat, and the variation of temperature have with heat it is close
Connection；Charge-discharge performance model describe battery charge state SOC and cell emf relation curve during the charging process or
Battery charge state SOC and the relation curve of battery current during the charging process.Circuit model, thermal model and charge-discharge performance mould
Type is combined, and the reality of power accumulator charge-discharge characteristic curve, internal heat temperature regime and internal resistance is completely simulated
Border composition.Detect whether can correspondingly detect charging pile complete by electrical parameter to power battery and temperature parameter
It is good.
The utility model embodiment provides one kind for electric car direct-current charging post detection system 100, can drive mould
Quasi- load enters specific working condition, and detects whether the parameter under the corresponding states meets parameter model, to obtain
The quality of charging pile, the problem of being able to solve direct current charging pile field detection service scarce capacity, ensure to charging pile globality
The periodic detection of energy.
On the basis of above-mentioned specific embodiment, in the utility model embodiment, simulated battery load may include:
DC transformer and the cascade power battery pack of the DC transformer；The DC transformer, comprising: cascade boosting becomes
Parallel operation, buck converter；The DC transformer is equipped with for controlling the DC converter input voltage, input current
One controller.
It can be to rise by the booster converter in present embodiment on the basis of above-mentioned specific embodiment
Press chopper circuit；The buck converter is buck circuit.Chopper circuit (being called DC chopper circuit) refers in electric power
In, for certain needs, by a part of sine wave " cut away " (such as voltage be 50V when, use electronic component
End the subsequent part 50~0V, output voltage 0.) it borrowed later into DC-DC Switching Power Supply, mainly in switch electricity
During the pressure regulation of source, the original power supply of straight line, by route " cutting " at a section pulse.Direct current is become another solid
The direct current of constant voltage or adjustable voltage.Also referred to as DC-DC converter (DC/DC Converter).Buck circuit: drop
Chopper is pressed, output average voltage Uo is less than input voltage Ui, and output voltage is identical as input voltage polarity.Boost circuit:
Boost chopper, output average voltage Uo are greater than input voltage Ui, and output voltage is identical as input voltage polarity.
It is possible to further which the power battery pack is set to electric car, the power battery pack is opened by switching
Close the DC transformer, the electric car electric control system between switch be electrically connected.That is, for dynamic
The selection of power battery, can be using the battery pack entrained by itself of electric car, that is to say, that the power battery pack setting
In electric car, the power battery pack is by switching switch in the DC transformer, the Electronic control of the electric car
Switch between system and is electrically connected.
It is, of course, also possible to which indicator light is arranged, it is used to indicate the switching and switchs current electric connection state.Switching is opened
Pass is set as relay controllable switch, is controlled using automobile operation and control interface center, realizes that one kind can drive, and can be realized offer
The function of controllable charging load for charging pile detection.
Referring to FIG. 6, Fig. 6 is that one kind provided by a kind of specific embodiment of the utility model is used for electric car direct current
The flow chart of charging pile detection method.
In a kind of specific embodiment of the utility model, the utility model embodiment also provides a kind of for electronic vapour
Vehicle direct-current charging post detection method, applied to described in any of the above-described kind of specific embodiment be used for electric car DC charging
Stake detection 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.
It is direct-current charging post that the utility model discloses one kind for electric car direct-current charging post detection method and system
The links such as production testing, onsite acceptance, periodic detection, plant maintenance removable automatic test platform is provided.This reality
The charging pile detection method provided with new embodiment can run the charging pile detection system provided with above-mentioned specific embodiment
In system, charging pile detection system provided by the embodiment of the utility model provides hardware foundation for the operation of this method.
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 utility model has been carried out in detail for electric car direct-current charging post detection system above
It introduces, specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Illustrate the method and its core concept for being merely used to help understand the utility model；Meanwhile for the general technology people of this field
Member, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as a 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, touch screen；
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 touch screen, for receiving described in the parameter and corresponding operating mode and input of the simulated battery load；It is aobvious
Show the real-time electrical parameter under the corresponding operating mode of the simulated battery load.
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.
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. being used for electric car direct-current charging post detection system to described according to claim 1, which is characterized in that further include:
The temperature sensing connecting with the controller, the temperature sensor are used to detect the real time temperature of the simulated battery load；
The memory is also used to store the corresponding temperature model of each operating mode of the simulated battery load.
5. according to claim 1 be used for electric car direct-current charging post detection system, which is characterized in that further include: with
Whether the charging interface detection module of the controller connection is intact for detecting the charging interface.
6. according to claim 1 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.
7. according to any one of claims 1 to 6 be used for electric car direct-current charging post detection system, which is characterized in that
The simulated battery load, comprising: DC transformer and the cascade power battery pack of the DC transformer；
The DC transformer, comprising: cascade booster converter, buck converter；
The DC transformer is equipped with the first controller for controlling the DC converter input voltage, input current.
8. according to claim 7 be used for electric car direct-current charging post detection system, which is characterized in that
The booster converter is boost chopper；
The buck converter is buck circuit.
9. according to claim 8 be used for electric car direct-current charging post detection system, which is characterized in that
The power battery pack is set to electric car, the power battery pack by switching switch the DC transformer,
Switch between the electric control system of the electric car and is electrically connected.
10. according to claim 9 be used for electric car direct-current charging post detection system, which is characterized in that
Further include: indicator light switchs current electric connection state for the switching.
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| CN201821861236.4U CN209070040U (en) | 2018-11-12 | 2018-11-12 | One kind being used for electric car direct-current charging post detection system |
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| CN201821861236.4U CN209070040U (en) | 2018-11-12 | 2018-11-12 | One kind being used for electric car direct-current charging post detection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255557A (en) * | 2019-07-22 | 2021-01-22 | 华北电力大学（保定） | A lightweight electric automobile battery analogue means for non-on-vehicle quick-witted witnessed inspections that charges |
| CN113687152A (en) * | 2020-05-19 | 2021-11-23 | 比亚迪股份有限公司 | Direct current charging pile test system, direct current charging pile test method and test controller |
| CN116338299A (en) * | 2023-05-29 | 2023-06-27 | 广东电网有限责任公司佛山供电局 | Method and system for testing output power factor of charging module of direct current system |
| CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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2018
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255557A (en) * | 2019-07-22 | 2021-01-22 | 华北电力大学（保定） | A lightweight electric automobile battery analogue means for non-on-vehicle quick-witted witnessed inspections that charges |
| CN113687152A (en) * | 2020-05-19 | 2021-11-23 | 比亚迪股份有限公司 | Direct current charging pile test system, direct current charging pile test method and test controller |
| CN113687152B (en) * | 2020-05-19 | 2022-10-18 | 比亚迪股份有限公司 | Direct current charging pile test system, direct current charging pile test method and test controller |
| CN116338299A (en) * | 2023-05-29 | 2023-06-27 | 广东电网有限责任公司佛山供电局 | Method and system for testing output power factor of charging module of direct current system |
| CN116338299B (en) * | 2023-05-29 | 2023-08-04 | 广东电网有限责任公司佛山供电局 | Method and system for testing output power factor of charging module of direct current system |
| CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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