CN207717886U - A kind of alternating-current charging pile detecting system - Google Patents

A kind of alternating-current charging pile detecting system Download PDF

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Publication number
CN207717886U
CN207717886U CN201820044343.1U CN201820044343U CN207717886U CN 207717886 U CN207717886 U CN 207717886U CN 201820044343 U CN201820044343 U CN 201820044343U CN 207717886 U CN207717886 U CN 207717886U
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China
Prior art keywords
switch
connects
alternating
charging pile
current charging
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CN201820044343.1U
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Inventor
邓凯
罗敏
赵伟
易斌
孟金岭
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Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Electric Power Research Institute of Guangdong Power Grid Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems 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]
    • Y02T90/168
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12Remote or cooperative charging

Abstract

A kind of alternating-current charging pile detecting system provided by the utility model, including interface simulator, tunable load, test instrumentation, circuit controller, microcontroller and host computer;Interface simulator connection needs the alternating-current charging pile detected;Test instrumentation is for detecting parameters of electric power;Tunable load connecting interface simulator;Switch of the circuit controller for control interface simulator is closed or disconnects and the adjustment of resistance sizes;Microcontroller connects circuit controller;Test instrumentation, tunable load and microcontroller are all connect with host computer.The circuit controller parameter regulation that the utility model passes through control interface simulator, switch and control guidance circuit parameter can automatically be adjusted, without manually adjusting, and can interoperability quickly easily be carried out to alternating-current charging pile according to host computer and quickly detected, it solves and still lacks the technical issues of convenient detection device carries out automatic quickly detection to alternating-current charging pile at present.

Description

A kind of alternating-current charging pile detecting system
Technical field
The utility model is related to alternating-current charging pile detection technique field more particularly to a kind of alternating-current charging pile detecting systems.
Background technology
Electric vehicle is the inexorable trend of world traffic field development and the strategic development direction in China, electric vehicle Electrically-charging equipment is particularly important as novel urban infrastructure.Alternating-current charging pile is filled as current the most widely used one kind Electric facility, because the characteristics of its floor space is small, easy for installation, light-weight, small, safety and stability receives extensive favor.
It is worth noting that, current China's alternating-current charging pile and the incompatible situation of electric vehicle also happen occasionally, exchange Charging pile controls steering signal and protective value and need to periodically be detected.The detection of current alternating-current charging pile includes pattern inspection Test, exfactory inspection, arrival are examined etc., be all mainly to be carried out in laboratory, but alternating-current charging pile long-term work is in bad environments Outdoor there may be the risk that function damage, performance decline after long-time, is still lacked conveniently at present by wind and weather Detection device and detection method carry out automatic quickly detection to alternating-current charging pile.
Utility model content
The utility model provides a kind of alternating-current charging pile detecting system, is conveniently examined for solving still to lack at present The technical issues of measurement equipment and detection method carry out automatic quickly detection to alternating-current charging pile.
A kind of alternating-current charging pile detecting system provided by the utility model, which is characterized in that including interface simulator, adjustable Load, test instrumentation, circuit controller, microcontroller and host computer;
The interface simulator connection needs the alternating-current charging pile detected;
The test instrumentation connects the alternating-current charging pile and the interface simulator, for detecting parameters of electric power;
The tunable load connects the interface simulator;
The circuit controller connects the interface simulator, and the switch for controlling the interface simulator is closed or breaks It opens and the adjustment of resistance sizes;
The microcontroller connects the circuit controller;
The test instrumentation, the tunable load and the microcontroller are all connect with the host computer.
Preferably, the interface simulator includes simulating vehicle socket, controllable switching array and adjustable control guidance circuit;
The simulating vehicle socket is provided with the interface of corresponding alternating-current charging pile;
The controllable switching array connects the simulating vehicle socket, for controlling each detection of simulating vehicle socket Point is connected and disconnected from;
The adjustable control guidance circuit connects the controllable switching array;
The circuit controller specifically includes switch arrays controller and control guiding resistance controller;
The switch arrays controller connects the controllable switching array, the closure for controlling the controllable switching array With disconnection;
The control guiding resistance controller connects the adjustable control guidance circuit, for adjusting the controllable guidance Draw the size of resistance in circuit.
Preferably, the adjustable control guidance circuit includes diode D1, resistance R2, resistance R3 and switch S2;
The first end of the diode D1 connects the switch K7 of the controllable switching array;
The first end of the resistance R3 connects the second end of the diode D1, described in the second end connection of the resistance R3 The switch K5 of controllable switching array;
The first end of the resistance R2 connects the second end of the diode D1, described in the second end connection of the resistance R2 The first end of switch S2, the second end of the switch S2 connect the second end of the resistance R3;
The resistance R2 and resistance R3 is specially the solid relay for connecting the host computer, for testing difference The action situation of alternating-current charging pile in the case of control guiding parameter.
Preferably, the controllable switching array includes switch K1 to switch K8;
The switch K1 connects the L1 lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K1 with It is provided with test point 5 between the L1 lines and connects the test instrumentation;
The switch K2 connects the L2 lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K2 with It is provided with test point 6 between the L2 lines and connects the test instrumentation;
The switch K3 connects the L3 lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K3 with It is provided with test point 7 between the L3 lines and connects the test instrumentation;
The switch K4 connects the N lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K4 with It is provided with test point 8 between the N lines and connects the test instrumentation;
The switch K5 connects the PE lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K5 with It is provided with test point 9 between the PE lines and connects the test instrumentation;
The switch K6 connects the CC lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K6 with It is provided with test point 3 between the CC lines and connects the test instrumentation;
The switch K7 connects the CP lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K7 with It is provided with test point 1 between the CP lines and connects the test instrumentation;
The switch K8 connections switch K5 and switch K7;
One end connecting detection point 4 of the test point 3 is not provided on the switch K6, the first end of the resistance R3 is set It is equipped with test point 2;
The tunable load by the switch K1 connections L1 lines, pass through switch K2 connections L2 lines, logical It crosses the switch K3 connections L3 lines and connects the N lines with by the switch K4;
The test point 1 to the test point 9 is separately connected the test instrumentation.
Preferably, the tunable load is specially one kind in ohmic load, electronic load or energy feedback type load, The host computer is connect with the tunable load by cable, the connection of 232 serial ports, 485 buses connect, USB port connects or wireless Mode connects;
Relay group or electronic power switch are provided on the tunable load, the host computer specifically connects the relay Device group or electronic power switch, the parameter for adjusting the tunable load by the relay group or electronic power switch.
Preferably, the utility model further includes display device;
The display device connects the host computer, for showing corresponding test point data parameters.
Preferably, the connection type of the test instrumentation and the host computer, the microcontroller and the host computer is Cable connection, the connection of 232 serial ports, the connection of 485 buses or USB port connection.
Preferably, the microcontroller is connect with the circuit controller by I/O port, SPI mouthfuls or CAN communication mode.
Preferably, the microcontroller is specially microcontroller.
Preferably, the host computer is specially computer.
Preferably, the utility model further includes AC power;
The AC power connects the alternating-current charging pile.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
A kind of alternating-current charging pile detecting system provided by the utility model, including interface simulator, tunable load, tester Table, circuit controller, microcontroller and host computer;Interface simulator connection needs the alternating-current charging pile detected;Test instrumentation is used In detection parameters of electric power;Tunable load connecting interface simulator;Switch of the circuit controller for control interface simulator is closed Or disconnect and resistance sizes adjustment;Microcontroller connects circuit controller;Test instrumentation, tunable load and microcontroller all with Host computer connects.The utility model can be adjusted out automatically by the circuit controller parameter regulation of control interface simulator It closes and controls guidance circuit parameter, without manually adjusting, and easily quickly alternating-current charging pile can be carried out according to host computer Interoperability quickly detects, and solves and still lacks what convenient detection device quickly detected alternating-current charging pile progress automatically at present Technical problem.
Description of the drawings
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 some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of one embodiment of alternating-current charging pile detecting system provided by the utility model;
Fig. 2 is a kind of wherein first implementation of operation method of alternating-current charging pile detecting system provided by the utility model Example;
Fig. 3 is a kind of wherein second implementation of operation method of alternating-current charging pile detecting system provided by the utility model Example;
Fig. 4 is that a kind of wherein third of operation method of alternating-current charging pile detecting system provided by the utility model is implemented Example;
Wherein, reference numeral is as follows:
1 to 9 corresponds to test point 1 to test point 9;101, interface simulator;102, tunable load;103, test instrumentation; 104, controller;105, host computer;106, alternating-current charging pile;107, display device;108, AC power;109, microcontroller; 1011, simulating vehicle socket;1012, controllable switching array;1013, adjustable control guidance circuit;1041, switch arrays control Device;1042, control guiding resistance controller.
Specific implementation mode
The utility model provides a kind of alternating-current charging pile detecting system, is conveniently examined for solving still to lack at present The technical issues of measurement equipment and detection method carry out automatic quickly detection to alternating-current charging pile.
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more apparent and understandable The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described, Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, an a kind of implementation of 106 interoperability detecting system of alternating-current charging pile provided by the utility model Example, including interface simulator 101, tunable load 102, test instrumentation 103, circuit controller 104, microcontroller 109 and upper Machine 105;
The connection of interface simulator 101 needs the alternating-current charging pile 106 detected, the interface for simulating vehicle and AC charging Stake 106 connects;
Test instrumentation 103 connects alternating-current charging pile 106 and interface simulator 101, for detecting parameters of electric power, test instrumentation 103 106 sides of connection alternating-current charging pile can detect the parameter inside alternating-current charging pile 106,103 connecting interface mould of test instrumentation The side of quasi- device 101 can detect the parameter of interface simulator 101;
102 connecting interface simulator 101 of tunable load, for simulating the load being electrically charged;
104 connecting interface simulator 101 of circuit controller, the switch for control interface simulator 101 are closed or disconnect And the adjustment of resistance sizes;
Circuit controller 104 connects microcontroller 109;
Test instrumentation 103, tunable load 102 and microcontroller 109 are all connect with host computer 105.
The data parameters detected are uploaded to host computer 105, tunable load 102 and microcontroller 109 by test instrumentation 103 Receive the adjusting adjustment of host computer 105.
The utility model be closed by the switch of 109 control interface simulator 101 of circuit controller 104 and microcontroller or It disconnects and the adjustment of resistance sizes, can automatically adjust switch and resistance sizes, without manually adjusting, and can easily root Quickly interoperability is carried out to alternating-current charging pile 106 quickly to detect, solve and still lack at present according to the software being arranged in host computer 105 Weary conveniently detection device and detection method carry out the technology quickly detected automatically to the interoperability of alternating-current charging pile 106 Problem.
Further, interface simulator 101 includes simulating vehicle socket 1011, controllable switching array 1012 and adjustable control Guidance circuit 1013;
Simulating vehicle socket 1011 is provided with the interface of corresponding alternating-current charging pile 106;
Controllable switching array 1012 connects simulating vehicle socket 1011, for controlling the 1011 each detection of simulating vehicle socket Point is connected and disconnected from;When the switch in controllable switching array 1012 is closed, the connection of simulating vehicle socket 1011, when controllable When switch in switch arrays 1012 disconnects, the disconnection of simulating vehicle socket 1011.
Adjustable control guidance circuit 1013 connects controllable switching array 1012;
Circuit controller 104 specifically includes switch arrays controller 1041 and control guiding resistance controller 1042;
Switch arrays controller 1041 connects controllable switching array 1012, the closure for controlling controllable switching array 1012 With disconnection;
Control guiding resistance controller 1042 connects adjustable control guidance circuit 1013, for adjusting adjustable control guiding electricity The size (being specially resistance R2 and resistance R3) of resistance in road 1013.Its control gimmick is varied, can be with microcontroller control An analog switch is made, such as CD4066, connecting resistance designs on its pin, does not limit herein.
Please in detail refering to fig. 1, further, adjustable control guidance circuit 1013 includes diode D1, resistance R2, resistance R3 With switch S2;
The switch K7 of the first end connection controllable switching array 1012 of diode D1;
The second end of the first end connection diode D1 of resistance R3, the second end of resistance R3 connect controllable switching array 1012 Switch K5;
The second end of the first end connection diode D1 of resistance R2, the first end of the second end connecting valve S2 of resistance R2, The second end of the second end connection resistance R3 of switch S2;
The resistance R2 and resistance R3 is specially the solid relay for connecting host computer, for testing different control guidings The action situation of alternating-current charging pile in the case of parameter.
Further, controllable switching array 1012 includes switch K1 to switch K8;
Switch K1 connects the L1 lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and between switch K1 and L1 line It is provided with 5 connecting test instrument 103 of test point;
Switch K2 connects the L2 lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and between switch K2 and L2 line It is provided with 6 connecting test instrument 103 of test point;
Switch K3 connects the L3 lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and between switch K3 and L3 line It is provided with 7 connecting test instrument 103 of test point;
Switch K4 connects the N lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and is set between switch K4 and N line It is equipped with 8 connecting test instrument 103 of test point;
Switch K5 connects the PE lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and between switch K5 and PE line It is provided with 9 connecting test instrument 103 of test point;
Switch K6 connects the CC lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and between switch K6 and CC line It is provided with 3 connecting test instrument 103 of test point;
Switch K7 connects the CP lines of alternating-current charging pile 106 by simulating vehicle socket 1011, and between switch K7 and CP line It is provided with 1 connecting test instrument 103 of test point;
Switch K8 connecting valves K5 and switch K7;
One end connecting detection point 4 of test point 3 is not provided on switch K6, and (switch K6 has both ends, one end to be provided with detection Point 3, one end is not provided with test point 3), the first end of resistance R3 is provided with test point 2;
Tunable load 102 by switch K1 connection L1 lines, by switch K2 connection L2 lines, by switch K3 connection L3 lines and Pass through switch K4 connection N lines;
Test point 1 to test point 9 is respectively connected to test instrumentation 103.
Simulating vehicle interface (i.e. interface simulator 101) connects 1012 input side of controllable switching array, controllable switching array In 1012 outlet side, tetra- lines of L1, L2, L3, N are directly connected to tunable load 102;CP lines connect adjustable control guidance circuit 1013 are followed by PE lines, and test instrumentation 103 draws test point 1, test point 2, test point 3, test point 4, test point 5, test respectively Current signal on point 6, test point 7, test point 8, the voltage signal of test point 9 and L1, L2, L3 line.
Wherein:
Simulating vehicle interface (i.e. interface simulator 101) meets GB/T 20234.1《Electric car conduction charging connects Device part 1:General Requirement》And GB/T20234.2《Electric car conduction chargeable connection device part 2:AC charging Interface》In requirement about AC charging vehicle socket.
Controllable switching array 1012 can be made of mechanical switch such as relay, contactors, also can be by MOSFET, IGBT etc. Electronic switch is constituted.
1013 adjustable part of adjustable control guidance circuit includes the resistance value of R2, R3.Adjustable resistance R2, R3 have continuously adjustable Function, R2 resistance adjustment ranges are not less than 909~1723 Ω, and R3 resistance adjustment ranges are not less than 1820~4610 Ω.
Tunable load 102 is resistive single-phase load or threephase load, when tunable load 102 is single-phase load, resistance value Adjusting range is not less than 0-7kW;When adjustable resistance is threephase load, resistance value adjusting range is not less than 0-42kW.
Test instrumentation 103 at least has PWM voltage detectings, PWM frequency detection function.
Further, the utility model further includes display device 107;
Display device 107 connects host computer 105, for showing corresponding test point data parameters.
Further, the utility model further includes AC power 108;
AC power 108 connects alternating-current charging pile 106.
Host computer 105 can be specifically computer, computer, and microcontroller 109 can be specifically microcontroller, circuit module Deng.
Tunable load 102 is specially one kind in ohmic load, electronic load or energy feedback type load;
Host computer 105 is connect with tunable load 102 by cable, the connection of 232 serial ports, 485 buses connect, USB port connects Or wireless mode connection;
Be provided with relay group or electronic power switch on tunable load 102, host computer 105 specifically connection relay group or Electronic power switch, the parameter for adjusting tunable load 102 by relay group or electronic power switch.Host computer 105 can With transmission level signal to relay group or electronic power switch control switch, to be switched on or off circuit connection, to adjust Save the parameter of tunable load 102.
Sent instructions under PC host computers 105 to microcontroller 109, is sent instructions to switch arrays controller under microcontroller 109 1041 with control guiding controller 1042, and the quantity of state that switch matrix controller 1041 guides resistance controller 1042 with control is anti- The digital & analog signal amount of microcontroller 109, instrument and equipment and microcontroller 109 of feeding feeds back to host computer 105, display device 107 Microcontroller 109 and 105 relevant information of host computer are shown.
PC host computers 105 and microcontroller 109, PC host computers 105 and test instrumentation 103, PC host computers 105 and adjustable negative 102 are carried to connect by modes such as cable, 232 serial ports, 485 buses, USB ports.
Microcontroller 109 and switch arrays controller 1041/ control guiding resistance controller 1042 using I/O port, SPI mouthfuls, The modes such as CAN communication connect.
The software of host computer 105 can be communicated with interoperability detection device, by real time down switch arrays and Control guiding resistance controls signal, and judges that the state of charging pile realizes the mesh of automatic collection by acquiring the signal of each collection point 's.1. carrying out upper computer software programming according to testing procedure, it is dynamic to control switch arrays that software instruction is sent to microcontroller 109 Make.2. starting charging pile, whether the parameter for detecting each test point is normal.3. control tunable load is loaded into specified value, by patrolling It collects and judges to complete the judge to test result.4. finally automatically generating test report.
Therefore, a kind of operation method of alternating-current charging pile detecting system provided by the utility model is (for illustrating this How a kind of alternating-current charging pile detecting system that utility model provides runs), based on a kind of such as above-mentioned alternating-current charging pile Detecting system is detected, including:
Host computer issues switch arrays control signal and control guiding resistance controls signal to controller;
Controller controls signal according to switch arrays and control guiding resistance controls the switch of signal control interface simulator Closure or disconnection and the adjustment of resistance sizes;
Start alternating-current charging pile, the parameter of each test point is detected by test instrumentation;
Control tunable load is loaded into preset specified value, passes through logic judgment according to the parameter of each test point detected Complete the judge of test result;
Test report is automatically generated according to test result.
When alternating-current charging pile detects, connection exact p-value, the ready test of charging, startup and charging stage test, Charge normal end test, the test of charge control sequence diagram, S3 disconnections test, CC interrupt tests, CP interrupt tests, CP ground measurings The used tests project testing data such as examination, the test of PE broken needles, output overcurrent is surveyed, PWM self- recoverages are tested, the test of CP loop resistances Acquisition or the realization of test event test mode, can be completed by the equipment of this utility model.
The CP loop resistances specifically included to operation method in the utility model detection submethod is carried out below detailed Explanation:
CP loop resistances detect submethod test purpose:On control guidance circuit, when electric vehicle uses standard electric When resistance, check that alternating-current charging pile should be able to charge normal;When resistance in non-standard range, check that power supply unit cannot should normally fill Electricity.The submethod includes:
201:Host computer issues control signal to controller and makes resistance R2 resistance values in controller control interface simulator It is set as the first preset value, resistance R3 resistance values are set as the second preset value, closure switch K1 to switch K7, wherein as resistance R2 CP loop resistances are normal resistance when for the first preset value and resistance R3 being the second preset value;In a certain nominal circuits CP electricity Can be that R2 is set as by nominal value 1000 Ω by host computer when resistance, R3 is set as 2740 Ω of nominal value, be closed K1, K2, K3、K4、K5、K6、K7。
202:Start alternating-current charging pile, the voltage value and pwm signal of test point 1 are detected by test instrumentation;Start exchange Charging pile checks voltage value, the pwm signal of test point 1.
203:It is rated value as defined in alternating-current charging pile to control tunable load, judges that exchange is filled by the parameter of each test point Whether electric stake can normally start charging;It is alternating-current charging pile rated value to adjust tunable load by host computer, checks AC charging Stake should be able to normally start charging.
204:The voltage and current clock signal of pwm signal and output in the entire detection process of automatic collection generates report; Pwm signal in automatic collection whole process, output voltage electric current sequential etc. generate report.
In fact, the submethod can also test the upper limit value and lower limiting value of CP loop resistances, it is as follows:
X:The first preset value in set-up procedure 201 and the second preset value so that when resistance R2 is the first preset value and electricity It is corresponding known value to hinder CP loop resistances when R3 is the second preset value, and repetition adjusts and executes the step 201 after adjustment To step 204, the correspondence for whether normally starting charging according to known value and alternating-current charging pile judges AC charging The normal resistance value range for starting the corresponding CP loop resistances that charge of stake and its upper limit value and lower limiting value.
It can also be expressed as:The first preset value in set-up procedure 201 and the second preset value so that when resistance R2 is first Preset value and CP loop resistances are corresponding known value when resistance R3 is the second preset value, executes the step 201 after adjustment To step 204, show whether alternating-current charging pile normally starts the judging result of charging, repeating abovementioned steps, (adjustment first is default Whether value and the second preset value simultaneously execute step 201 to step 204) and are normally started according to known value and alternating-current charging pile The correspondence of charging judges that alternating-current charging pile normally starts the resistance value range and thereon for the corresponding CP loop resistances that charge Limit value and lower limiting value.
Specifically, it can be respectively described below:
Illustrate the test of upper limit value first:
A) R2 is set as by nominal value 1732 Ω by host computer, R3 is set as 4610 Ω of nominal value, be closed K1, K2, K3, K4、K5、K6、K7。
B) start alternating-current charging pile, check voltage value, the pwm signal of test point 1.
C) it is alternating-current charging pile rated value to adjust tunable load by host computer, checks that alternating-current charging pile cannot should normally open Dynamic charging.
D) pwm signal in automatic collection whole process, output voltage electric current sequential etc. generate report.
Then illustrate the test of lower limiting value:
E) R2 is set as by nominal value 909 Ω by host computer, R3 is set as 1820 Ω of nominal value, be closed K1, K2, K3, K4、K5、K6、K7。
F) start alternating-current charging pile, check voltage value, the pwm signal of test point 1.
G) it is alternating-current charging pile rated value to adjust tunable load by host computer, checks that alternating-current charging pile cannot should normally open Dynamic charging.
H) pwm signal in automatic collection whole process, output voltage electric current sequential etc. generate report.
The operation method of the utility model further includes:CP interrupts detection submethod, ready shape when ready state CP interruptions detection submethod includes when state:
301:Host computer issues control signal to controller and makes resistance R2 resistance values in controller control interface simulator It is set as the first preset value, resistance R3 resistance values are set as the second preset value, closure switch K1 to switch K7, startup AC charging Stake detects and (illustrates that alternating-current charging pile is in ready state) when the pwm signal of test point 1 is 9VPWM, and entrance is next Step, wherein CP loop resistances are normal resistance when resistance R2 is the first preset value and resistance R3 is the second preset value;
302:It disconnects switch K7 (simulation CP disconnects failure) and keeps 5s, monitor the voltage value, pwm signal, friendship of test point 1 Flow the output voltage and electric current in current supply circuit;
303:If detect that the signal of test point 1 becomes+12V level from+12VPWM, illustrate that power supply unit suspension is filled Electricity;
304:The voltage and current clock signal of pwm signal and output in the entire detection process of automatic collection generates report.
The operation method of the utility model further include in charging process CP interrupt detection submethod, CP is interrupted in charging process Detecting submethod includes:
401:Host computer issues control signal to controller and makes resistance R2 resistance values in controller control interface simulator It is set as the first preset value, resistance R3 resistance values are set as the second preset value, closure switch K1 to switch K7, startup AC charging Stake detects and (illustrates that alternating-current charging pile is in ready state) when the pwm signal of test point 1 is 9VPWM, and entrance is next Step, wherein CP loop resistances are normal resistance when resistance R2 is the first preset value and resistance R3 is the second preset value;
402:Closure switch S2, when detecting that test point 1 is 6VPWM signals, control tunable load is advised for alternating-current charging pile Fixed rated value;The output current of the output voltage and alternating-current charging pile of alternating-current charging pile can also be detected herein;
403:It disconnects switch K7 (simulation CP disconnects failure) and keeps 5s, monitor the voltage value, pwm signal, friendship of test point 1 Flow the output voltage and electric current in current supply circuit;
404:If detect that the signal of test point 1 becomes+12V level from+12VPWM, illustrate that power supply unit suspension is filled Electricity;
405:The voltage and current clock signal of pwm signal and output in the entire detection process of automatic collection generates report.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations;Although ginseng The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that:It is still Can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced It changes;And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims (10)

1. a kind of alternating-current charging pile detecting system, which is characterized in that including interface simulator, tunable load, test instrumentation, circuit Controller, microcontroller and host computer;
The interface simulator connection needs the alternating-current charging pile detected;
The test instrumentation connects the alternating-current charging pile and the interface simulator, for detecting parameters of electric power;
The tunable load connects the interface simulator;
The circuit controller connects the interface simulator, the switch for controlling the interface simulator be closed or disconnect and The adjustment of resistance sizes;
The microcontroller connects the circuit controller;
The test instrumentation, the tunable load and the microcontroller are all connect with the host computer.
2. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that the interface simulator includes Simulating vehicle socket, controllable switching array and adjustable control guidance circuit;
The simulating vehicle socket is provided with the interface of corresponding alternating-current charging pile;
The controllable switching array connects the simulating vehicle socket, for controlling each test point of simulating vehicle socket It is connected and disconnected from;
The adjustable control guidance circuit connects the controllable switching array;
The circuit controller specifically includes switch arrays controller and control guiding resistance controller;
The switch arrays controller connects the controllable switching array, for control the closure of the controllable switching array with it is disconnected It opens;
The control guiding resistance controller connects the adjustable control guidance circuit, for adjusting the adjustable control guiding electricity The size of resistance in road.
3. a kind of alternating-current charging pile detecting system according to claim 2, which is characterized in that the adjustable control guiding electricity Road includes diode D1, resistance R2, resistance R3 and switch S2;
The first end of the diode D1 connects the switch K7 of the controllable switching array;
The first end of the resistance R3 connects the second end of the diode D1, and the second end connection of the resistance R3 is described controllable The switch K5 of switch arrays;
The first end of the resistance R2 connects the second end of the diode D1, and the second end of the resistance R2 connects the switch The first end of S2, the second end of the switch S2 connect the second end of the resistance R3;
The resistance R2 and resistance R3 is specially the solid relay for connecting the host computer, for testing different controls The action situation of alternating-current charging pile in the case of guiding parameter.
4. a kind of alternating-current charging pile detecting system according to claim 3, which is characterized in that the controllable switching array packet Switch K1 is included to switch K8;
The switch K1 connects the L1 lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K1 with it is described It is provided with test point 5 between L1 lines and connects the test instrumentation;
The switch K2 connects the L2 lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K2 with it is described It is provided with test point 6 between L2 lines and connects the test instrumentation;
The switch K3 connects the L3 lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K3 with it is described It is provided with test point 7 between L3 lines and connects the test instrumentation;
The switch K4 connects the N lines of the alternating-current charging pile, and the switch K4 and N by the simulating vehicle socket It is provided with test point 8 between line and connects the test instrumentation;
The switch K5 connects the PE lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K5 with it is described It is provided with test point 9 between PE lines and connects the test instrumentation;
The switch K6 connects the CC lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K6 with it is described It is provided with test point 3 between CC lines and connects the test instrumentation;
The switch K7 connects the CP lines of the alternating-current charging pile by the simulating vehicle socket, and the switch K7 with it is described It is provided with test point 1 between CP lines and connects the test instrumentation;
The switch K8 connections switch K5 and switch K7;
One end connecting detection point 4 of the test point 3 is not provided on the switch K6, the first end of the resistance R3 is provided with Test point 2;
The tunable load by the switch K1 connections L1 lines, by the switch K2 connections L2 lines, pass through institute It states the switch K3 connections L3 lines and connects the N lines with by the switch K4;
The test point 1 to the test point 9 is separately connected the test instrumentation.
5. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that further include display device;
The display device connects the host computer, for showing corresponding test point data parameters.
6. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that the test instrumentation with it is described Host computer, the microcontroller and the connection type of the host computer be that cable connect, the connection of 232 serial ports, 485 buses connect or USB port connects.
7. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that the microcontroller with it is described Circuit controller is connected by I/O port, SPI mouthfuls or CAN communication mode.
8. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that the tunable load is specially One kind in ohmic load, electronic load or energy feedback type load, the host computer are connected with the tunable load by cable It connects, the connection of 232 serial ports, the connection of 485 buses, USB port connects or wireless mode connection;
Relay group or electronic power switch are provided on the tunable load, the host computer specifically connects the relay group Or electronic power switch, the parameter for adjusting the tunable load by the relay group or electronic power switch.
9. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that the microcontroller is specially Microcontroller.
10. a kind of alternating-current charging pile detecting system according to claim 1, which is characterized in that the host computer is specially Computer.
CN201820044343.1U 2018-01-11 2018-01-11 A kind of alternating-current charging pile detecting system Active CN207717886U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109358211A (en) * 2018-12-05 2019-02-19 广东黾车新能源汽车产业有限公司 A kind of automobile charge fault detection system and detection method
CN109613331A (en) * 2018-12-19 2019-04-12 广东电网有限责任公司 A kind of alternating current charging stake detection load and method based on double load arrays
CN109975583A (en) * 2019-03-28 2019-07-05 浙江华云清洁能源有限公司 A kind of interface equipment for alternating-current charging pile test
CN112305346A (en) * 2020-10-20 2021-02-02 保定新云达电力设备有限责任公司 Portable alternating-current charging pile field detection device and detection method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109358211A (en) * 2018-12-05 2019-02-19 广东黾车新能源汽车产业有限公司 A kind of automobile charge fault detection system and detection method
CN109613331A (en) * 2018-12-19 2019-04-12 广东电网有限责任公司 A kind of alternating current charging stake detection load and method based on double load arrays
CN109613331B (en) * 2018-12-19 2020-11-24 广东电网有限责任公司 Load detection method and method for alternating current charging pile based on double-load array
CN109975583A (en) * 2019-03-28 2019-07-05 浙江华云清洁能源有限公司 A kind of interface equipment for alternating-current charging pile test
CN112305346A (en) * 2020-10-20 2021-02-02 保定新云达电力设备有限责任公司 Portable alternating-current charging pile field detection device and detection method thereof

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