WO2023102773A1 - Procédé et appareil de détection - Google Patents

Procédé et appareil de détection Download PDF

Info

Publication number
WO2023102773A1
WO2023102773A1 PCT/CN2021/136451 CN2021136451W WO2023102773A1 WO 2023102773 A1 WO2023102773 A1 WO 2023102773A1 CN 2021136451 W CN2021136451 W CN 2021136451W WO 2023102773 A1 WO2023102773 A1 WO 2023102773A1
Authority
WO
WIPO (PCT)
Prior art keywords
interface
model
under test
device under
detection
Prior art date
Application number
PCT/CN2021/136451
Other languages
English (en)
Chinese (zh)
Inventor
王庆昕
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2021/136451 priority Critical patent/WO2023102773A1/fr
Priority to CN202180104058.9A priority patent/CN118159852A/zh
Publication of WO2023102773A1 publication Critical patent/WO2023102773A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Definitions

  • the present application relates to the detection field, in particular to a detection method and device.
  • the present application provides a detection method and device, which can improve the convenience of detecting vehicle charging and discharging equipment.
  • a detection method including: determining whether a first interface in an interface board is connected to a device under test, the interface board includes at least two interfaces, and the at least two interfaces are configured to connect at least two A device type vehicle charging and discharging device; when the first interface in the interface board is connected to the device under test, use the first detection model in the at least one detection model corresponding to the first interface to test the The device under test is tested.
  • the interface board By setting at least two interfaces in the interface board, it is used to connect at least two equipment types of vehicle charging and discharging equipment, and when the first interface is connected to the equipment under test, the first detection model corresponding to the first interface is used to treat the It can detect a variety of vehicle charging and discharging equipment and improve the convenience of detection.
  • the method further includes: determining the first detection model according to correspondences between the at least two interfaces and at least two detection models.
  • Determining the first detection model corresponding to the first interface according to the corresponding relationship provides a relatively simple way for determining the first detection model corresponding to the first interface.
  • the detecting the device under test using the first detection model of at least one detection model corresponding to the first interface includes: outputting indication information, the The indication information is used to indicate the first parameter set; the parameter information input by the user is acquired, the parameter information is used to indicate the value of each parameter in the first parameter set, and the parameter information is used to indicate the device under test the electrical performance of the device; according to the parameter information, using the first detection model to detect the device under test.
  • the user can input the parameter information according to the instruction information, which improves the convenience of the parameter information input process and improves the user experience.
  • the method further includes: determining a first parameter set corresponding to the first interface.
  • the first parameter set corresponds to the first interface, and the first parameter set may include parameters required in the process of detecting the device under test connected to the first interface, so that the first parameter set is more reasonable.
  • both the first detection model and the second detection model corresponding to the second interface of the at least two interfaces include a first sub-model, and the first interface and the The second interface is configured to connect to vehicle charging and discharging devices of different device types.
  • the first sub-model is not specially designed for a certain detection model, but may be a general model, thereby simplifying the complexity of detection model design and making the design of the detection model more reasonable.
  • the first sub-model includes one or more of the following: DC/AC model, AC/DC model, DC/DC model, power grid model, and battery model.
  • using a first detection model of at least one detection model corresponding to the first interface to detect the device under test includes: using the first detection model , detecting whether the controller in the device under test is normal.
  • the device under test may include a controller, and the controller of the device under test may be detected.
  • the method further includes: when the controller is normal, determining to detect the power device of the device under test.
  • the power device in the device under test is detected to improve the safety of detection.
  • the at least two device types include at least two types of the following types: AC power supply equipment, DC power supply equipment, on-vehicle AC charging equipment, and on-vehicle DC charging equipment.
  • a detection device including: an interface board and a processor; the interface board includes at least two interfaces, and the at least two interfaces are configured to connect at least two types of vehicle charging and discharging equipment;
  • the processor is used to determine whether the first interface in the interface board is connected to the device under test; the processor is also used to, when the first interface in the interface board is connected to the device under test, use A first detection model among at least one detection model corresponding to the first interface detects the device under test.
  • the processor is further configured to determine the first detection model according to correspondences between the at least two interfaces and at least two detection models.
  • the device further includes a communication interface, configured to output indication information, where the indication information is used to indicate the first parameter set; the communication interface is also configured to acquire user input parameter information, the parameter information is used to indicate the value of each parameter in the first parameter set, the parameter information is used to indicate the electrical performance of the device under test; the processor is also used to, according to the The parameter information is used to detect the device under test by using the first detection model.
  • the processor is further configured to determine the first parameter set corresponding to the first interface.
  • both the first detection model and the second detection model corresponding to the second interface of the at least two interfaces include a first sub-model, and the first interface and the The second interface is configured for connecting different types of vehicle charging and discharging equipment.
  • the first sub-model includes one or more of the following: DC/AC model, AC/DC model, DC/DC model, power grid model, and battery model.
  • the detecting the device under test by using the first detection model of the at least one detection model corresponding to the first interface includes: using the first A detection model is used to detect whether the controller in the device under test is normal.
  • the processor is further configured to, when the controller is normal, determine to detect the power device of the device under test.
  • the at least two device types include at least two types of the following types: AC power supply equipment, DC power supply equipment, on-vehicle AC charging equipment, and on-vehicle DC charging equipment.
  • a detection device which is characterized in that it includes a processing module and a storage module; the storage module is used to store a program, and when the program is executed in the processing module, the processing module is used to: Determine whether the first interface in the interface board is connected to the device under test, the interface board includes at least two interfaces, and the at least two interfaces are configured to connect at least two types of vehicle charging and discharging equipment; in the interface When the first interface in the board is connected to the device under test, the device under test is detected by using a first detection model among at least one detection model corresponding to the first interface.
  • the processing module is further configured to determine the first detection model according to correspondences between the multiple interfaces and at least two detection models.
  • the apparatus further includes a transceiver module configured to output indication information, the indication information being used to indicate the first parameter set; the transceiver module is also configured to obtain user input parameter information, the parameter information is used to indicate the value of each parameter in the first parameter set, the parameter information is used to indicate the electrical performance of the device under test; the processing module is used to, according to the parameter information, using the first detection model to detect the device under test.
  • the processing module is further configured to determine a first parameter set corresponding to the first interface
  • both the first detection model and the second detection model corresponding to the second interface of the at least two interfaces include a first submodel, and the first interface and the The second interface is configured for connecting different types of vehicle charging and discharging equipment.
  • the first sub-model includes one or more of the following: DC/AC model, AC/DC model, DC/DC model, grid model, and battery model.
  • using the first detection model of the at least one detection model corresponding to the first interface to detect the device under test includes: using the first detection model , detecting whether the controller in the device under test is normal.
  • the processing module is further configured to, when the controller is normal, determine to detect the power device of the device under test.
  • the at least two device types include at least two types of the following types: AC power supply equipment, DC power supply equipment, on-vehicle AC charging equipment, and on-vehicle DC charging equipment.
  • a computer program storage medium has program instructions, and when the program instructions are executed in a computer device, the computer device is used to implement the first aspect or any one of the first aspect. method in an implementation.
  • a computer program product in a fifth aspect, includes program instructions, and when the program instructions are executed in a computer device, the method in the first aspect or any implementation manner of the first aspect is executed implement.
  • a chip characterized in that the chip includes at least one processor, and when program instructions are executed in the at least one processor, the first aspect or any implementation of the first aspect method is executed.
  • Fig. 1 is a schematic structural diagram of a control guiding circuit.
  • Fig. 2 is a schematic structure diagram of another control guiding circuit.
  • Fig. 3 is a schematic structural diagram of a DC charging pile detection system.
  • Fig. 4 is a schematic structural diagram of a test system for a vehicle charger controller.
  • Fig. 5 is a schematic flowchart of a detection method provided by an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of a detection system provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of an interface board provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of the connection preset circuit of the interface 411 in FIG. 7 .
  • FIG. 9 is a schematic structural diagram of the connection preset circuit of the interface 414 in FIG. 7 .
  • FIG. 10 is a schematic structural diagram of the connection preset circuit of the interface 412 in FIG. 7 .
  • FIG. 11 is a schematic structural diagram of the connection preset circuit of the interface 413 in FIG. 7 .
  • FIG. 12 is a schematic flowchart of a method for judging an interface connection provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of the system shown in FIG. 6 when the interface 412 is connected to the device under test.
  • FIG. 14 is a schematic diagram of information transmitted by the scheduling module 420 shown in FIG. 6 .
  • FIG. 15 is a schematic diagram of the system shown in FIG. 6 when the interface 411 is connected to the device under test.
  • FIG. 16 is a schematic diagram of the system shown in FIG. 6 when the interface 413 is connected to the device under test.
  • FIG. 17 is a schematic diagram of the system shown in FIG. 6 when the interface 414 is connected to the device under test.
  • Fig. 18 is a schematic structural diagram of a detection device provided by an embodiment of the present application.
  • Fig. 19 is a schematic structural diagram of another detection device provided by an embodiment of the present application.
  • the vehicle can be charged with an AC charging pile or a DC charging pile.
  • the charging pile, the components in the vehicle, and the components used to connect the charging pile and the various plugs and sockets of the vehicle can form a control guide circuit to control the charging process of the vehicle.
  • Fig. 1 is a schematic structural diagram of a control guiding circuit.
  • the power supply interface of the DC charging pile is connected to the vehicle interface of the vehicle, and the power supply interface is connected to each corresponding pin of the vehicle interface, as shown in Figure 1.
  • the power supply interface can be set in the charging gun of the DC charging pile, and the vehicle interface can be set in the socket of the vehicle.
  • the DC charging pile may include a DC charging pile main body and a charging gun.
  • the main body of the DC charging pile may include an inverter, a DC (direct current, DC)/DC converter (not shown in FIG. 1 ), and a switch K1 and a switch K2.
  • the inverter may also be referred to as an alternating current (AC)/DC converter for converting alternating current in the grid into direct current.
  • the DC/DC converter is used to adjust the voltage value of the direct current output by the inverter.
  • the direct current output from the DC/DC converter can charge the battery.
  • the positive pole and the negative pole of the direct current output by the DC/DC converter are connected to switches K1 and K2 respectively.
  • the main body of the DC charging pile may also include a controller 601, switches K3 and K4, a DC power supply U1, a resistor R1, and the like.
  • the charging gun includes resistors R2, R3, switch S, power supply interface, etc.
  • the power supply interface of the DC charging pile can also include one or more of the following pins: protective ground pin PE, charging connection confirmation pins CC1, CC2, low-voltage auxiliary power supply positive and negative pins A+ and A-, charging communication CAN-H Pin S+ and charging communication CAN-L pin S-, reserved CAN-H pin, reserved CAN-L pin, digital input pin DI, digital output pin DO, analog input pin AI , Analog output pin AO, etc.
  • PE, CC1, CC2, A+, A-, S+, and S- can be DC charging stand pins that meet national standards such as GB/T 18487.1-2015, GB/T 34658-2017, GB/T 34657.1-2017, etc. ; CAN-H, CAN-L, DI, DO, AI, and AO may be pins reserved for at least one of the DC charging pile control insulation monitoring circuit, discharge circuit, and power output. When designing the DC charging pile, the information transmitted by each reserved pin can be adjusted.
  • the protection ground pin, charging connection confirmation pin, low-voltage auxiliary power supply positive and negative pins, charging communication CAN-H pin, charging communication CAN-L pin, digital input pin Pins, digital output pins, analog input pins, and analog output pins can also be represented by other letters, without specific limitations.
  • the reserved CAN-H pin and the reserved CAN-L pin can be used, for example, to transmit the control signal output by the controller 601 in the DC charging pile, and the control signal output by the controller 601 can be used to control the components of the DC charging pile , such as controlling the switch states of switches K1, K2, K3, K4, etc.
  • the control signals transmitted by the reserved CAN-H pins and the reserved CAN-L pins may be controller area network (controller area network, CAN) signals, or other signals transmitted by wired means.
  • a vehicle may include a vehicle body and an outlet.
  • the vehicle's socket may include a resistor R4.
  • the main body of the vehicle may include a controller 602 with switches K5 and K6, a DC power supply U2, a resistor R5 and a battery pack.
  • the switch K1 can be used to control whether the positive pole of the direct current output by the DC/DC converter is transmitted to the pin DC+.
  • the switch K2 can be used to control whether the negative pole of the direct current output by the DC/DC converter is transmitted to the pin DC-.
  • the switch K3 can be used to control whether the positive pole of the low-voltage direct current provided by the DC charging pile is connected to the pin A+, and the switch K4 can be used to control whether the negative pole of the low-voltage direct current provided by the DC charging pile is connected to the pin A-.
  • the switch K5 can be used to control the on-off between the pin DC+ and the positive pole of the battery pack.
  • the switch K6 is used to control the on-off between the pin DC- and the negative pole of the battery pack.
  • Pin PE can be understood as the ground wire used to connect the DC charging pile and the vehicle.
  • the pins S+ and S- can be understood as communication lines for connecting the controller 601 in the DC charging pile and the controller 602 in the vehicle.
  • a series resistor R2 and a switch S are arranged between the pin CC1 and the ground wire, and a resistor R1 is arranged between the pin CC1 and the DC power supply U1.
  • a resistor R3 is provided between the pin CC2 and the ground.
  • a resistor R4 is provided between the pin CC1 and the ground wire, and a resistor R5 is provided between the pin CC2 and the DC power supply U2.
  • the voltage values of the DC power sources U1 and U2 may be the same, for example, both may be 12 volts (V).
  • the resistance values of the resistors R1 to R5 may be the same, for example, all may be 1000 ohms ( ⁇ ). It should be understood that the same in the embodiments of the present application may also be understood as approximately the same. That is to say, the resistance value of each of the resistors R1 to R5 can be between 970 ⁇ and 1030 ⁇ .
  • the switch S may be associated with a button (ie, a mechanical lock) on the charging gun, and the switch S is only turned off when the button is pressed.
  • Detection point 1 is located between resistors R1 and R2.
  • the switch S When the button is pressed, the switch S is turned off. When the switch S is turned off, before the power supply interface is connected to the vehicle interface, there is an open circuit between the detection point 1 and the ground wire, and the voltage value of the detection point 1 is U1.
  • the resistors R1 and R4 are connected in series between the DC power supply U1 and the ground.
  • the voltage value of detection point 1 that is, the voltage value of pin CC1 drops from U1 to Among them, ⁇ means to multiply, + means to add, and fraction means to divide the numerator by the denominator.
  • R1+R4 represents the sum of the resistors R1 and R4, and is used to represent the resistance value at both ends of the series circuit formed by the resistors R1 and R4 when the resistors R1 and R4 are connected in series.
  • the pressed button is released.
  • the switch S is closed, the resistors R2 and R4 are connected in parallel, and the parallel circuit of the resistors R2 and R4 is connected in series with the resistor R1.
  • the voltage value of detection point 1 is determined by down to in, Indicates the resistance value at both ends of the parallel circuit formed by resistor R2 and resistor R4 when resistor R2 and R4 are connected in parallel,
  • the calculation result of can be expressed in the form of integer, fraction or decimal, which is not specifically limited.
  • the controller 601 can detect the voltage value of the detection point 1 .
  • the controller 601 can detect that the voltage value of point 1 is In the case of , the controller 601 determines that the vehicle interface is fully connected.
  • the voltage value of controller 601 at detection point 1 is In the case of , the control switches K3 and K4 are closed.
  • low voltage direct current may be used to power the controller 602 of the vehicle. That is to say, the electric energy of the DC power supply U2 can be provided by the pins A+ and A-.
  • the switches K3 and K4 are closed, so that the low-voltage direct current is transmitted to the vehicle. This process can be understood as the conduction of the low-voltage auxiliary power supply circuit.
  • the controller 602 can detect the voltage value of the detection point 2 .
  • the power supply interface is not connected to the vehicle interface, there is an open circuit between the detection point 2 and the ground wire, and the voltage value of the detection point 2 is U2.
  • the controller 602 may determine that the power supply interface and the vehicle interface have been fully connected.
  • the controller 602 If the controller 602 needs to use the DC charging pile to provide a low-voltage auxiliary power supply, after receiving the low-voltage auxiliary power supply provided by the DC charging pile, the controller 602 measures the voltage value of the detection point 2 to determine whether the power supply interface and the vehicle interface are fully connected. If the controller 602 does not need to use the DC charging pile to provide low-voltage auxiliary power, the controller 602 can directly detect the voltage value of point 2 to determine whether the vehicle interface is connected.
  • the controller 602 determines that the voltage value of measuring point 2 is , start sending communication handshake messages periodically. According to the handshake message sent by the controller 602, the controller 601 can determine whether to control the switches K1 and K2 to close.
  • the handshake message sent by the controller 602 to the controller 601 includes the rated charging voltage of the battery pack and the like.
  • the controller 601 may determine that the charging condition is met when the rated charging voltage of the battery pack meets the charging voltage range of the DC charging pile.
  • the controller 601 may control the switches K1 and K2 to close when it is determined that the charging conditions are met.
  • the controller 602 can detect that the voltage value of point 2 is In the case of , the controller 602 can determine whether to control the switches K5 and K6 to close according to the handshake message sent by the controller 601 .
  • the controller 602 may communicate with the controller 601 to transmit parameters required for the charging process.
  • the controller 602 may send battery charging demand parameters and the like to the controller 601 in real time.
  • the controller 601 can adjust the magnitude of the charging current according to the battery charging demand parameters received from the controller 602 .
  • the magnitude of the charging current that is, the magnitude of the current flowing through the pins DC+ and DC-.
  • the controller 602 may determine whether to end the charging according to whether the battery system is fully charged or whether the charging termination charging information sent by the controller 601 is received.
  • the controller 601 may send charging termination information to the controller 602, and control the switches K1, K2, K3, and K4 to be turned off.
  • the controller 602 may control the switches K5 and K6 to be turned off according to the charging termination information received from the controller 601 .
  • the controller 602 may send charging termination information to the controller 601 and control the switches K5 and K6 to be turned off.
  • the controller 601 may control the switches K1 , K2 , K3 , and K4 to be turned off according to the charging termination information received from the controller 602 .
  • Fig. 2 is a schematic structure diagram of another control guiding circuit.
  • the AC charging pile includes a main body of the AC charging pile and a charging socket 901 .
  • the vehicle includes a vehicle body and a vehicle receptacle 904 .
  • the charging socket 901 is connected to the power supply plug 902 of the cable.
  • the vehicle plug 903 of the cable is connected to the vehicle socket 904 of the vehicle.
  • the charging socket 901 is connected to each corresponding pin of the power supply plug 902 , and the vehicle plug 903 is connected to each corresponding pin of the vehicle socket 904 , as shown in FIG. 2 .
  • Charging socket 901, power supply plug 902, vehicle plug 903 and vehicle socket 904 all include the following pins: protective earth pin PE, charging connection confirmation pin CC, control confirmation pin CP, pin CAN-H, pin CAN- L, digital input pin DI, digital output pin DO, etc.
  • the protective ground pin PE, the charging connection confirmation pin CC, and the control confirmation pin CP are pins specified by the national standard (that is, the national standard); the pin CAN-H, the pin CAN-L, the pin DI, the pin Pin DO is a reserved pin.
  • the information transmitted by the reserved pins can be used, for example, by the controller 701 in the AC charging pile to control the output of electric energy. In the design of the AC charging pile, the information transmitted by each reserved pin can be adjusted.
  • Pin L, N can be used to transmit alternating current.
  • the switch K is located in the AC charging pile, and is used to control whether the pins L and N of the AC charging pile are connected to the AC power supply.
  • pin PE In AC charging piles and vehicles, pin PE is connected to ground.
  • the pin CP is connected to one end of the switch S1 through the resistor R1.
  • the other end of the switch S1 is connected to a DC power supply U (for example, 12V) voltage or a pulse width modulation (Pulse Width Modulation, PWM) signal.
  • U for example, 12V
  • PWM pulse width modulation
  • the peak value of the PWM signal can be 12V.
  • the switch S1 is connected to the DC power supply U. At this time, the voltage at the detection point 1 (ie, the pin CP) is U.
  • Resistor R1 can be 1000 ⁇
  • the pin CP of the vehicle socket 904 is connected to the anode of the diode.
  • the cathode of the diode is connected to one end of the resistor R3, and is also connected to one end of the resistor R2.
  • the other end of the resistor R3 is connected to the ground.
  • the other end of the resistor R2 is connected to the ground through the switch S2.
  • the resistor R2 may be 1300 ⁇ , and the resistor R3 may be 2740 ⁇ .
  • the diode drop can be 0.7V.
  • the DC power supply U and the ground wire are disconnected, and the voltage at the detection point 1 is U.
  • the controller 701 in the AC charging pile can obtain the voltage value of the detection point 1 .
  • the controller 701 may determine that the connection between the vehicle and the charging pile is normal, and may connect the switch S1 to the PWM signal.
  • a resistor RC and a switch S3 are connected in series to form a series circuit. Both ends of the series circuit are respectively connected to the pin PE and the pin CC.
  • the switch S3 is closed after the vehicle plug 903 is connected to the vehicle socket 904 .
  • the size of the resistance RC can be used to indicate the capacity of the cable, that is, the rated current of the cable.
  • the controller 702 in the vehicle charger can obtain the resistance between the detection point 3 and PE to determine whether the vehicle plug 903 is fully connected to the vehicle socket 904 .
  • the controller 702 in the on-board charger can obtain the voltage of the detection point 2 .
  • Detection point 2 is located at the cathode of the diode.
  • the voltage change at detection point 2 from U to peak value is When the PWM signal is active, the controller 702 controls the switch S3 to close.
  • the duty cycle of the PWM signal can be used to represent the magnitude of the AC power supply current of the AC power supply of the AC charging pile.
  • the controller 702 determines whether the AC power supply current of the AC charging pile is less than or equal to the rated current of the cable according to the duty ratio of the PWM signal, that is, determines whether the transmission of the AC power supply current of the AC charging pile by the cable in the vehicle interface is safe.
  • the controller 702 may control the switch S2 to close.
  • the controller 701 can detect the voltage of the detection point 4 or the resistance between the detection point 4 and the pin PE. When the voltage at the detection point 4 is 0 or the resistance between the detection point 4 and the pin PE is 0, the controller 701 can determine that the charging socket 901 is fully connected to the power plug 902 .
  • the controller 701 can detect the peak voltage of point 1 as And when the voltage of the detection point 4 is 0 or the resistance between the detection point 4 and the pin PE is 0, the control switch K is closed, so that the pins N and L are connected to the AC power supply.
  • the controller 702 can also be used to control the conversion module to convert the AC power provided by the AC power supply into DC power to charge the battery pack.
  • the controller 702 can control the conversion module to stop charging the vehicle.
  • the controller 701 can control the switch K to be turned off, so as to stop charging the vehicle.
  • the charging pile detection system is generally designed for a specific vehicle charging device and can be used to detect the specific vehicle charging device.
  • Vehicles can be cars, trucks, motorcycles, buses, boats, airplanes, helicopters, lawn mowers, recreational vehicles, playground vehicles, construction equipment, trams, golf carts, trains, and trolleys, etc. Examples are not particularly limited.
  • Fig. 3 is a schematic structural diagram of a DC charging pile detection system.
  • the DC charging pile detection system 100 can be used to detect DC charging piles.
  • the DC charging pile detection system 100 includes a controller 140, a battery load simulation unit 120, a charging interface 110, and the like.
  • the charging interface 110 is used to connect with the power supply interface of the DC charging pile.
  • the battery load simulation unit 120 is connected to the charging interface 110 (for example, the battery load simulation unit 120 is connected to a pin used for power signal transmission in the charging interface 110 ). Therefore, the power signal output by the power supply interface of the DC charging pile is transmitted to the battery load simulation unit 120 through the charging interface 110 .
  • the output of the battery load simulation unit 120 may be transmitted to the controller 140 .
  • the controller 140 is connected to the pins of the charging interface 110 for communication signal transmission. Therefore, the controller 140 can communicate with the DC charging pile.
  • the controller 140 may send the first communication information to the DC charging pile according to a preset test case.
  • the controller 140 can detect whether the DC charging pile is normal according to the received second communication information sent by the DC charging pile and the output of the battery load simulation unit 120 .
  • the battery load simulation unit 120 is used to simulate the on-board battery to process and respond to the high-power electric energy output by the DC charging pile through the power supply interface.
  • Fig. 4 is a schematic structural diagram of a test system for a vehicle charger controller.
  • the controller testing system 200 is used to test the bidirectional charging and discharging motor controller.
  • the vehicle is provided with an on-board charger and a controller.
  • the controller is used to determine the working mode, and in the charging mode, the controller is used to control the on-board charger to convert the externally connected alternating current into direct current to charge the battery; in the driving mode, the controller is used to control the on-board charger to convert the direct current of the battery into alternating Drives the motor in the vehicle.
  • the controller testing system 200 can be used to determine whether the controller is in the working mode and whether it is normal in the charging mode.
  • the controller testing system 200 includes an interface 210 and a processor 220 .
  • the controller is connected to the processor 220 through the vehicle interface and the interface 210 .
  • the controller testing system 200 can only test the controller in the vehicle, and the test object is single.
  • controller test systems 200 can be used to detect different types of charging equipment, that is, in order to meet different types of charging.
  • the detection requirements of the equipment require the use of a variety of detection equipment, which is less convenient.
  • an embodiment of the present application provides a detection method.
  • Fig. 5 is a schematic flowchart of a detection method provided by an embodiment of the present application.
  • the detection method 300 includes S310 to S320.
  • the interface board includes at least two interfaces configured to connect at least two types of vehicle charging and discharging devices.
  • each interface of the interface board can be used to connect a vehicle charging and discharging device of a device type.
  • the equipment types of the vehicle charging and discharging equipment connected to each interface in the interface board may include at least two types of the following types: AC power supply equipment, DC power supply equipment, on-vehicle AC charging equipment, and on-vehicle DC charging equipment.
  • the device under test is detected by using the first detection model corresponding to the first interface.
  • the detection model corresponding to the interface is used to detect the device under test connected to the interface.
  • Multiple interfaces on the interface board are used to connect various types of devices, so that different types of devices can be connected to different interfaces for detection.
  • the test range is wide.
  • the detection of various types of equipment can be realized through one detection equipment, and the cost of detection equipment can be reduced.
  • a first detection model corresponding to the first interface may be determined.
  • the model information input by the user may be acquired before performing S320.
  • the model information may be used to indicate the first detection model corresponding to the first interface.
  • the apparatus for executing the method 300 may store correspondences between at least two interfaces in the interface board and at least two detection models.
  • the detection model corresponding to the first interface may be determined according to the correspondence between at least two interfaces and at least two detection models in the interface board.
  • each interface may correspond to one or more detection models. Multiple detection models corresponding to one interface can detect various functions of the device under test respectively.
  • the vehicle-mounted AC charging device can be located in the vehicle, and has the functions of charging and power supply.
  • the charging function of the vehicle-mounted AC charging device that is, the vehicle-mounted AC charging device can be used to convert the AC power provided by the AC power supply device into DC power when connected to the AC power supply device, thereby charging the vehicle battery.
  • the power supply function of the on-board AC charging device that is, the on-board AC charging device can be used to convert the direct current provided by the on-board battery into alternating current, thereby supplying power to other devices in the car.
  • an interface configured to be connected to a vehicle-mounted AC charging device
  • the interface board there may be one or more interfaces for connecting any type of vehicle charging and discharging equipment.
  • the detection models corresponding to multiple interfaces used to connect to the vehicle charging and discharging equipment of the same equipment type may be the same.
  • the detection model corresponding to the first interface is the first detection model.
  • the multiple detection models corresponding to the first interface may be respectively used as the first detection models.
  • model indication information may be sent to the user, where the model indication information is used to indicate the multiple detection models corresponding to the first interface.
  • the user may select the first detection model among the multiple detection models indicated by the model indication information.
  • a user may input model selection information in the device for executing the method 300, the model selection information is used to indicate the first detection model.
  • the device for executing the method 300 may acquire the model selection information input by the user, and determine the first detection model according to the model selection information.
  • parameter information input by the user may be obtained, and the parameter information is used to indicate the electrical performance of the device under test.
  • the required parameters may be different for different devices to be tested.
  • a first parameter set corresponding to the first interface may be determined.
  • the first parameter set corresponding to the first interface may be determined according to the correspondence between at least two interfaces and at least two parameter sets in the interface board.
  • different detection models may correspond to different sets of parameters.
  • the first parameter set corresponding to the first detection model may be determined according to the correspondence between multiple detection models and multiple parameter sets.
  • indication information may be output, where the indication information is used to indicate the first parameter set. Therefore, the user can input parameter information according to the instruction of the instruction information.
  • the first detection model may be used to detect the device under test according to the parameter information input by the user.
  • the output instruction information indicates to the user the parameters required for testing the device to be tested, and the user inputs the parameter information according to the instruction of the instruction information, which improves convenience.
  • the first interface and the second interface may be configured to connect different types of vehicle charging and discharging equipment.
  • the first detection model and the second detection model corresponding to the second interface in the interface board may both include the first sub-model. That is to say, the first sub-model is not specially designed for a certain detection model, but may be a general model. Therefore, the complexity of the detection model design can be simplified, making the design of the detection model more reasonable.
  • the first sub-model may be a DC/AC model, an AC/DC model, a DC/DC model, a grid model or a battery model.
  • the second detection model corresponding to the second interface may be determined according to model information input by the user when the second interface is connected to the device under test. That is to say, when the second interface is connected to the device under test, the model information input by the user may be used to indicate the second detection model corresponding to the second interface.
  • the second detection model corresponding to the second interface may be determined according to the correspondence between at least two interfaces and at least two detection models.
  • the first detection model may be used to detect whether the controller in the device under test is normal.
  • the controller in the DC charging pile When the controller in the DC charging pile is not confirmed to be normal, the power detection of the DC charging pile is performed, and the safety risk of the test is high, and the detection cost is high.
  • the controller in the device under test is detected first, and then the power device of the device under test is determined to be detected when the controller is normal, which can improve the safety of the detection.
  • the device for detecting the power device of the device under test may be a device for executing the method 300, or may be other devices, which are not limited in this embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of a detection system provided by an embodiment of the present application.
  • the detection system 400 includes an interface board 410 , a scheduling module 420 , a simulation module 430 , and a host computer 440 .
  • the interface board 410 may include multiple interfaces, each of which has a different interface type, and the different interface types are used to connect devices of different device types.
  • the interface board 410 may include four types of interfaces, among which, the interface 411 is used to connect to a DC charging pile, the interface 412 is used to connect to an AC charging pile, the interface 413 is used to connect to a car charger, and the interface 414 is used to Connect the battery management system (BMS) module.
  • BMS battery management system
  • the DC charging pile is a kind of DC power supply equipment;
  • the AC charging pile is a kind of AC power supply equipment;
  • the vehicle charger is a kind of vehicle AC charging equipment, which can include the components in the vehicle body shown in Figure 2 except the battery pack;
  • the BMS module is a vehicle-mounted DC charging device, which may include components other than the battery pack in the vehicle body shown in FIG. 1 .
  • the interface 411 may be configured for connecting to a DC charging pile.
  • the interface 411 may include the following pins: PE, CC1, CC2, A+, A-, S+, S-, reserved CAN-H pins, reserved CAN-L pins, DI, DO, AI, AO, etc.
  • the interface 412 may be configured to connect to an AC charging pile.
  • Interface 412 may include the following pins: PE, CC, CP, CAN-H, CAN-L, DI, DO, and the like.
  • the interface 413 may be configured for connecting to an on-board charger.
  • the interface 413 may include the following pins: PE, CC, CP, CAN-H, CAN-L, DI, DO, etc.
  • Interface 414 may be configured for connecting a BMS module.
  • the interface 414 may include the following pins: PE, CC1, CC2, A+, A-, S+, S-, reserved CAN-H pins, reserved CAN-L pins, DI, DO, AI, AO, etc.
  • the preset pins in the interface 411 and the interface 414 and the preset circuit connected to the preset pins may be determined according to the control and guidance circuit when the DC charging pile is charging the vehicle.
  • the interface 411 can be used to connect the main body of the DC charging pile shown in FIG. 1 through the power supply interface of the DC charging pile.
  • the preset pins of the interface 411 may include a pin CC2.
  • the preset circuit 511 connected to the preset pins of the interface 411 may be as shown in FIG. 8 .
  • the preset circuit 511 includes a resistor R5' and a power supply U2', and the pin CC2 is connected to the power supply U2' through the resistor R5'.
  • the voltage value of the resistor R5' is equal to that of the resistor R5 shown in Figure 1
  • the voltage value of the power supply U2' is equal to that of the DC power supply U2 shown in Figure 1.
  • the interface 414 can be used to connect the BMS module in the vehicle of FIG. 1 through the socket of the vehicle.
  • the preset pins of the interface 414 may include a pin PE and a pin CC1.
  • the preset circuit 514 connected to the preset pins of the interface 414 is shown in FIG. 9 .
  • the preset circuit 514 includes a resistor R1', a resistor R2' and a power supply U1'.
  • a resistor R2' is connected between pin PE and pin CC1.
  • the connection point of the pin CC1 and the resistor R3' is connected to the power supply U1' through the resistor R1'.
  • the voltage value of the resistor R1' is equal to that of the resistor R1 shown in Figure 1
  • the voltage value of the resistor R2' is equal to that of the resistor R2 shown in Figure 1
  • the voltage value of the power supply U1' is equal to that of the DC power supply U1 shown in Figure 1.
  • the preset pins in the interface 412 and the interface 413 and the preset circuit connected to the preset pins may be determined according to the control and guidance circuit when the AC charging pile is charging the vehicle.
  • the interface 412 can be used to connect the main body of the AC charging pile shown in FIG. 2 through the charging socket 901 of the AC charging pile, the power supply plug 902 of the cable, and the vehicle plug 903 of the cable.
  • the preset pins of the interface 412 may include a pin CC and a pin PE.
  • the preset circuit 512 connected to the preset pins of the interface 412 may be as shown in FIG. 10 . In the preset circuit 512, the pin CC and the pin PE are disconnected.
  • the interface 413 can be used to connect the on-board charger of the vehicle shown in FIG. 2 through the vehicle socket 904 .
  • the preset pins of the interface 413 may include a pin CP.
  • the preset circuit 513 connected to the preset pins of the interface 413 is shown in FIG. 11 .
  • Preset circuit 514 resistor R1'. Both ends of the resistor R1' are respectively connected to the DC power supply U' and the pin CP.
  • the resistance value of the resistor R1' can be equal to the voltage value of the resistor R1 shown in Figure 2, and the voltage value of the DC power supply U' can be equal to the voltage value of the DC power supply U shown in Figure 2.
  • the scheduling module 420 can be used to detect the electrical parameters of the preset pins in each interface of the interface board 410, and determine whether the interface is connected to the device under test according to the electrical parameters of the preset pins in the interface.
  • the scheduling module 420 can determine whether each interface in the interface board 410 is connected to the equipment.
  • the interface 411 is connected to the device under test when the voltage value of the pin CC2 of the interface 411 is between 5.2 volts (V) and 6.8V, wherein the voltage value of the pin CC2 (that is, the detection point in FIG. 1 2 voltage value) can be passed calculated.
  • the interface 412 is connected to the device under test when the resistance value between the pin CC and the pin PE of the interface 412 is within a preset range.
  • the voltage value of the pin CP of the interface 413 is between 5.2 volts (V) and 6.8V or 8.2V to 9.8V, it is determined that the interface 413 is connected to the device under test, wherein the pin CP of the interface 413
  • the voltage value of can be the voltage of detection point 1 in Figure 2, which can be passed calculated.
  • the interface 414 is connected to the device under test when the voltage value of the pin CC1 of the interface 414 is between 3.2 volts (V) and 4.8V, wherein the voltage value of the pin CC1 of the interface 414 can be as shown in FIG.
  • the voltage value of detection point 1 in 1 can be passed calculated.
  • the scheduling module 420 is further configured to determine the target detection model corresponding to the interface connected to the device under test according to the corresponding relationship between the interface and the detection model.
  • each interface may correspond to one or more detection models.
  • the multiple detection models may be sequentially used as target detection models respectively. Take each interface corresponding to a detection model as an example for illustration.
  • Each detection model can include one or more sub-models.
  • the simulation module 430 includes sub-models in each detection model.
  • the simulation module 430 may include DC/AC model, AC/DC model, DC/DC model, battery model, battery model and other sub-models.
  • the scheduling module 420 is further configured to determine the target parameter set corresponding to the interface connected to the device under test according to the corresponding relationship between the interface and the parameter set.
  • the parameter set corresponding to each interface is used to represent the electrical performance of the device under test required for testing the device under test connected to the interface.
  • the scheduling module 420 is also configured to output indication information.
  • the indication information is used to indicate the target parameter set.
  • indication information may be displayed via a display.
  • System 400 may include a display.
  • the scheduling module 420 is also configured to acquire parameter information input by the user.
  • Parameter information is used to indicate the value of each parameter in the target parameter set. According to the parameter information input by the user, the scheduling module 420 can adjust the parameters of each sub-model in the target detection model according to the electrical performance of the device under test.
  • the system 400 can detect the device under test according to each adjusted sub-model in the target detection model.
  • the system 400 can use the adjusted sub-models in the target detection model to detect the device under test according to the target test case.
  • a target test case may include target rules and target communication information.
  • the system 400 can send the first communication information to the device under test according to the target rule, and receive the second communication information sent by the device under test.
  • the system 400 judges the consistency between the second communication information and the target communication information, and can detect whether the device under test is normal.
  • the host computer 440 may include one or more of a signal test case generation module 441 , a data monitoring module 442 , and a data comparison module 443 .
  • test case generation module 441 can be used to determine the target test case.
  • test case generation module 441 can determine the target test case according to the test case information input by the user.
  • Test case information is used to indicate the target test case.
  • test cases corresponding to each detection model may be stored in the system 400 .
  • the test case generation module 441 can determine the target test case corresponding to the target detection model according to the corresponding relationship between the detection model and the test case.
  • the corresponding relationship between detection models and test cases can be determined according to the requirements of rules or standards such as national standard GB/T 34658-2017, national standard GB/T 34657.1-2017, etc.
  • the number of test cases corresponding to each detection model can be one or more.
  • the test case generation module 441 may successively use multiple test cases in the target test case set as target test cases.
  • the test case generation module 441 can be used to output test case indication information, and the test case indication information is used to indicate a plurality of test cases corresponding to the target detection model .
  • the test case generation module 441 can also be used to obtain selection information input by the user, and the selection information is used to indicate multiple test cases corresponding to the target detection model.
  • the test case generating module 441 may sequentially use the one or more test cases indicated by the selection information as target test cases.
  • Each test case may include a rule and the communication information corresponding to the rule.
  • the rules in the target test case are target rules
  • the communication information in the target test case is target communication information.
  • the scheduling module 420 is further configured to send the first communication information to the device under test according to the target rule.
  • the scheduling module 420 may use the parameter information to adjust the parameters of each sub-model in the target detection model in the target parameter set according to the target rule.
  • the scheduling module 420 may send the electrical parameters output by the one or more sub-models to the device under test.
  • the first communication information may also be determined by the scheduling module 420 after adjusting the data transmission between the sub-models according to the second communication information sent by the device under test according to the target rule.
  • the data monitoring module 442 may be configured to record and store the second communication information sent by the testing device.
  • the data comparison module 443 may be configured to compare the second communication information with the target communication information to determine the detection result of the device under test.
  • the second communication information is consistent with the target communication information, it can be determined that the controller in the device under test is normal. If the second communication information is inconsistent with the target communication information, it may be determined that the controller in the device under test is abnormal.
  • the controller 601 can determine whether to control the switch K1, K2 is closed. When the rated charging voltage of the battery pack meets the charging voltage range of the DC charging pile, the controller 601 may control the switches K1 and K2 to close.
  • the target test case determined by the test case generation module 441 can be used to detect whether the device under test controls the switches K1 and K2 normally.
  • the parameter information input by the user may include the charging voltage range of the DC charging pile.
  • the target rule may include sending the first rated charging voltage of the battery pack to the device under test. The first rated voltage of the battery pack complies with the charging voltage range of the DC charging pile.
  • the target communication information may include first control information sent by the controller 601 when the controller 601 is normal, and the first control information is used to control the switches K1 and K2 to close.
  • the scheduling module 420 may send first communication information to the device under test, where the first communication information includes the first rated charging voltage of the battery pack.
  • the data monitoring module 442 may record and store the second communication information sent by the device under test after receiving the first communication information.
  • the data comparison module 443 may compare the second communication with the first control information in the target communication. In the case that the second communication information is consistent with the first control information in the target communication information, the data comparison module 443 may determine that the controller in the device under test is normal. In the case that the second communication information is inconsistent with the target communication information, the data comparison module 443 may determine that the controller in the device under test is abnormal.
  • the target rule may also include sending the second rated charging voltage of the battery pack to the device under test.
  • the second rated voltage of the battery pack does not meet the charging voltage range of the DC charging pile.
  • the target communication information may include second control information sent by the controller 601 when the controller 601 is normal, and the second control information is used to keep the switches K1 and K2 turned off.
  • the controller in the device under test can be tested, and the security of the test can be improved.
  • the controller in the device under test is normal, the power device in the device under test can be detected.
  • the scheduling module 420 determines that the target detection model corresponding to the interface 412 includes an AC/DC model, a battery model, a grid model, and the like.
  • the type of the device under test connected to the interface 412 is an AC charging pile, and the scheduling module 420 can call the AC/DC model, battery model, power grid model, etc. to test the controller in the device under test connected to the interface 412, as shown in Figure 13 .
  • FIG. 14 illustrates the information transmitted by the scheduling module 420 by taking the interface 412 connected to the device under test as an example.
  • the grid model is used to simulate the grid.
  • the AC charging pile is used to control whether the electric energy of the grid is connected to the vehicle.
  • the grid model can output grid electrical parameters, which are used to represent the electrical characteristics of the alternating current provided by the grid.
  • the dispatch module 420 may transfer grid electrical parameters to the AC/DC model.
  • AC/DC models are used to simulate rectifiers in vehicles.
  • the rectifier in the vehicle is used to convert the AC power provided by the AC charging station into DC power.
  • the AC/DC model can process grid electrical parameters to output AC/DC electrical parameters.
  • the AC/DC electrical parameters are used to represent the electrical characteristics of the direct current obtained by rectifying the alternating current provided by the grid by the rectifier in the vehicle.
  • the scheduling module 420 can transmit the electrical parameters output by the AC/DC model to the battery model.
  • the battery model is used to simulate the battery in the vehicle.
  • the battery model can process the AC/DC electrical parameters to output battery electrical parameters, which are used to represent the electrical characteristics of the battery in the vehicle.
  • the test case generation module 441 can determine a target test case corresponding to the target detection model, and the target test case includes a plurality of target communication information. Each target communication is used for comparison with a second communication.
  • any second communication information sent by the device under test is inconsistent with the target communication information, it may be determined that the device under test is abnormal.
  • each second communication information is consistent with the target communication information corresponding to the second communication information, it can be determined that the device under test is normal.
  • the scheduling module 420 determines that the target detection model corresponding to the interface 411 includes an AC/DC model, a DC/DC model, a battery model, a grid model, and the like.
  • the device under test connected to the interface 411 is a DC charging pile, and the scheduling module 420 can call the AC/DC model, DC/DC model, battery model, grid model, etc. to test the controller in the device under test connected to the interface 411, as shown in the figure 15.
  • the grid model is used to simulate the grid, supplying alternating current.
  • the grid model can output grid electrical parameters, which are used to represent the electrical characteristics of the alternating current provided by the grid.
  • the AC/DC model is used to simulate the rectifier in the DC charging pile.
  • the rectifier in the DC charging pile is used to convert the AC output from the grid model into DC.
  • the AC/DC model can process the electrical parameters of the power grid to obtain AC/DC electrical parameters.
  • the AC/DC electrical parameters are used to represent the electrical characteristics of the DC power obtained by rectifying the AC power provided by the grid by the rectifier in the DC charging pile.
  • the DC/DC model is used to simulate the voltage regulator in the DC charging pile.
  • the voltage regulator in the DC charging pile is used to transform the DC power output by the AC/DC model into the DC power required by the load end.
  • the DC/DC model can process AC/DC electrical parameters to obtain DC/DC electrical parameters.
  • the DC/DC electrical parameters are used to represent the electrical characteristics of the DC power obtained by transforming the DC power output by the AC/DC model by the voltage regulator in the DC charging pile.
  • the battery model is used to simulate the battery in the vehicle.
  • the battery model can process the DC/DC electrical parameters to output battery electrical parameters, which are used to represent the electrical characteristics of the battery in the vehicle.
  • the scheduling module 420 determines that the target detection model corresponding to the interface 413 includes an AC/DC model, a battery model, a grid model, and the like.
  • the device under test connected to the interface 413 is a vehicle charger, and the scheduling module 420 can call the controller in the device under test such as AC/DC model, battery model, and grid model to test, as shown in FIG. 16 .
  • the on-board charger connected to the interface 413 is used to convert the AC power provided by the AC charging pile into DC power, so as to charge the battery in the vehicle.
  • the grid model is used to simulate the grid.
  • the AC charging pile is used to control whether the electric energy of the grid is connected to the vehicle.
  • the grid model can output grid electrical parameters, which are used to represent the electrical characteristics of the alternating current provided by the grid.
  • the AC/DC model is used to simulate the rectifier in the on-board charger.
  • the rectifier in the car charger is used to convert the AC power provided by the AC charging pile into DC power.
  • the AC/DC model can process grid electrical parameters to output AC/DC electrical parameters.
  • the AC/DC electrical parameters are used to represent the electrical characteristics of the direct current obtained by rectifying the alternating current provided by the grid by the rectifier in the vehicle.
  • the battery model is used to simulate the battery in the vehicle.
  • the battery model can process the AC/DC electrical parameters to output battery electrical parameters, which are used to represent the electrical characteristics of the battery in the vehicle.
  • the dispatch module 420 may transfer grid electrical parameters to the AC/DC model.
  • the scheduling module 420 can transmit the AC/DC electrical parameters to the battery model.
  • the scheduling module 420 determines that the target detection model corresponding to the interface 414 includes an AC/DC model, a DC/DC model, a battery model, a grid model, and the like.
  • the device under test connected to the interface 414 is a BMS module, and the dispatching module 420 can invoke AC/DC models, DC/DC models, battery models, grid models, etc. for testing, as shown in FIG. 17 .
  • the BMS module is used to control the connection of the DC power provided by the DC charging pile to the battery in the vehicle, so as to charge the battery in the vehicle.
  • the grid model is used to simulate the grid, supplying alternating current.
  • the grid model can output grid electrical parameters, which are used to represent the electrical characteristics of the alternating current provided by the grid.
  • the AC/DC model is used to simulate the rectifier in the DC charging pile.
  • the rectifier in the DC charging pile is used to convert the AC output from the grid model into DC.
  • the AC/DC model can process the electrical parameters of the power grid to obtain AC/DC electrical parameters.
  • the AC/DC electrical parameters are used to represent the electrical characteristics of the DC power obtained by rectifying the AC power provided by the grid by the rectifier in the DC charging pile.
  • the DC/DC model is used to simulate the voltage regulator in the DC charging pile.
  • the voltage regulator in the DC charging pile is used to transform the DC power output by the AC/DC model into the DC power required by the load end.
  • the DC/DC model can process AC/DC electrical parameters to obtain DC/DC electrical parameters.
  • the DC/DC electrical parameters are used to represent the electrical characteristics of the DC power obtained by transforming the DC power output by the AC/DC model by the voltage regulator in the DC charging pile.
  • the battery model is used to simulate the battery in the vehicle.
  • the battery model can process the DC/DC electrical parameters to output battery electrical parameters, which are used to represent the electrical characteristics of the battery in the vehicle.
  • the dispatch module 420 may transfer grid electrical parameters to the AC/DC model.
  • the scheduling module 420 can transmit the AC/DC electrical parameters to the DC/DC model.
  • the scheduling module 420 can transmit the DC/DC electrical parameters to the battery model.
  • the target detection model determined by the scheduling module 420 may include a DC/AC model, a battery model, and the like.
  • the battery model is used to simulate the battery in the vehicle.
  • the battery model may output battery electrical parameters, which are used to represent the electrical characteristics of the battery in the vehicle.
  • the DC/AC model is used to simulate the inverter in the vehicle.
  • the DC/AC model can process the electrical parameters of the battery to output DC/AC electrical parameters.
  • the DC/AC electrical parameters are used to represent the electrical characteristics of the alternating current obtained by inverting the direct current output from the battery by the inverter in the vehicle.
  • the first communication information sent by the scheduling module 420 according to the target rule may include a report conforming to the format requirements in GB/T 34658-2017 It may also include messages that do not meet the format requirements in GB/T 34658-2017.
  • Fig. 18 is a schematic structural diagram of a detection device provided by an embodiment of the present application.
  • the detection device 2000 includes a storage module 2010 and a processing module 2020 .
  • the storage module 2010 is used to store programs.
  • the processing module 2020 is used to implement the detection method described above.
  • Fig. 19 is a schematic structural diagram of a detection device provided by an embodiment of the present application.
  • the testing device 3000 may include: an interface board 3010 and a processor 3020 .
  • the interface board 3010 includes at least two interfaces configured to connect at least two types of vehicle charging and discharging equipment.
  • the processor 3020 is configured to execute the detection method described above.
  • the processor 3020 is configured to determine whether the first interface in the interface board is connected to the device under test.
  • the processor 3020 is further configured to, when the first interface in the interface board is connected to the device under test, use the first detection model among the at least one detection model corresponding to the first interface to test the The device under test is tested.
  • the processor 3020 is further configured to determine the first detection model according to the correspondence between the at least two interfaces and the at least two detection models.
  • the processor 3020 is further configured to determine a first parameter set corresponding to the first interface.
  • the apparatus 3000 further includes a communication interface, configured to output indication information, where the indication information is used to indicate the first parameter set.
  • the communication interface is also used to acquire parameter information input by the user, the parameter information is used to indicate the value of each parameter in the first parameter set, and the parameter information is used to indicate the electrical performance of the device under test.
  • the processor 3020 is further configured to, according to the parameter information, use the first detection model to detect the device under test.
  • both the first detection model and the second detection model corresponding to the second interface of the at least two interfaces include a first sub-model, and the first interface and the second interface are configured for Connect vehicle charging and discharging equipment of different equipment types.
  • the first sub-model includes one or more of the following: DC/AC model, AC/DC model, DC/DC model, grid model and battery model.
  • the processor 3020 is specifically configured to use the first detection model to detect whether the controller in the device under test is normal.
  • the processor 3020 is further configured to, if the controller is normal, determine to test the power device of the device under test.
  • the at least two device types include at least two types of the following types: AC power supply equipment, DC power supply equipment, on-vehicle AC charging equipment, and on-vehicle DC charging equipment.
  • the processor is a circuit with signal processing capabilities.
  • the processor may be a circuit with instruction reading and execution capabilities, such as a central processing unit (Central Processing Unit, CPU ), microprocessor, graphics processing unit (graphics processing unit, GPU) (can be understood as a microprocessor), or digital signal processor (digital signal processor, DSP), etc.; in another implementation, the processor A certain function can be realized through the logic relationship of the hardware circuit, the logic relationship of the hardware circuit is fixed or reconfigurable, for example, the processor is an application-specific integrated circuit (ASIC) or a programmable logic device (programmable logic device, PLD) realizes the hardware circuit, such as FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading the configuration file to realize the configuration of the hardware circuit can be understood as the process of the processor loading instructions to realize the functions of some or all of the above units.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (Neural Network Processing Unit, NPU) tensor processing unit (Tensor Processing Unit, TPU), a deep learning processing unit (Deep learning Processing Unit, DPU), etc.
  • NPU neural network processing unit
  • TPU tensor processing unit
  • DPU deep learning processing unit
  • each unit in the above device can be one or more processors (or processing circuits) configured to implement the above method, for example: CPU, GPU, NPU, TPU, DPU, microprocessor, DSP, ASIC, FPGA , or a combination of at least two of these processor forms.
  • SOC system-on-a-chip
  • the SOC may include at least one processor for implementing any of the above methods or realizing the functions of each unit of the device.
  • the at least one processor may be of different types, such as including CPU and FPGA, CPU and artificial intelligence processor, CPUs and GPUs, etc.
  • An embodiment of the present application further provides a computer program storage medium, wherein the computer program storage medium has program instructions, and when the program instructions are executed, the foregoing method is executed.
  • An embodiment of the present application further provides a chip, which is characterized in that the chip includes at least one processor, and when program instructions are executed on the at least one processor, the foregoing method is executed.
  • the division of units in the above device is only a division of logical functions, and may be fully or partially integrated into one physical entity or physically separated during actual implementation.
  • the units in the device can be implemented in the form of a processor calling software; for example, the device includes a processor, the processor is connected to a memory, instructions are stored in the memory, and the processor calls the instructions stored in the memory to implement any of the above methods Or realize the function of each unit of the device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or a microprocessor, and the memory is a memory in the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units in the device may be implemented in the form of hardware circuits, and part or all of the functions of the units may be realized through the design of the hardware circuits.
  • the hardware circuits may be understood as one or more processors; for example, in one implementation, The hardware circuit is an application-specific integrated circuit (ASIC), through the design of the logical relationship between the components in the circuit, the functions of some or all of the above units are realized; for another example, in another implementation, the hardware circuit is It can be realized by programmable logic device (programmable logic device, PLD). Taking Field Programmable Gate Array (Field Programmable Gate Array, FPGA) as an example, it can include a large number of logic gate circuits, and configure the logic gate circuits through configuration files.
  • programmable logic device programmable logic device
  • All the units of the above device can be realized in the form of calling software by the processor, or in the form of hardware circuit, or partly in the form of calling software by the processor, and the rest can be realized in the form of hardware circuit.
  • "at least one” means one or more, and “multiple” means two or more.
  • “And/or” describes the association relationship of associated objects, indicating that there may be three kinds of relationships, for example, A and/or B may indicate that A exists alone, A and B exist simultaneously, or B exists alone. Among them, A and B can be singular or plural.
  • the character “/” generally indicates that the contextual objects are an “or” relationship.
  • “At least one of the following” and similar expressions refer to any combination of these items, including any combination of single items or plural items.
  • At least one of a, b, and c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, and c may be single or multiple.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the computer software product is stored in a storage medium and includes several instructions to make A computer device (which may be a personal computer, a server, or a network device, etc.) executes all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente demande utilise un procédé et un appareil de détection, susceptibles de détecter de multiples dispositifs de charge et de décharge de véhicule et d'améliorer la commodité de détection. Le procédé de détection consiste : à déterminer si une première interface d'une carte d'interfaces est connectée à un dispositif à détecter, la carte d'interfaces comprenant au moins deux interfaces configurées pour être connectées à au moins deux types de dispositifs de dispositifs de charge et de décharge de véhicule ; et lorsque la première interface de la carte d'interfaces est connectée au dispositif à détecter, à utiliser un premier modèle de détection d'au moins un modèle de détection correspondant à la première interface pour détecter le dispositif à détecter.
PCT/CN2021/136451 2021-12-08 2021-12-08 Procédé et appareil de détection WO2023102773A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2021/136451 WO2023102773A1 (fr) 2021-12-08 2021-12-08 Procédé et appareil de détection
CN202180104058.9A CN118159852A (zh) 2021-12-08 2021-12-08 一种检测方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/136451 WO2023102773A1 (fr) 2021-12-08 2021-12-08 Procédé et appareil de détection

Publications (1)

Publication Number Publication Date
WO2023102773A1 true WO2023102773A1 (fr) 2023-06-15

Family

ID=86729544

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/136451 WO2023102773A1 (fr) 2021-12-08 2021-12-08 Procédé et appareil de détection

Country Status (2)

Country Link
CN (1) CN118159852A (fr)
WO (1) WO2023102773A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120022811A1 (en) * 2009-09-08 2012-01-26 Blake Edward Dickinson Electric vehicle simulator and analyzer (evsa) for electric vehicle supply equipment
CN202886486U (zh) * 2012-08-15 2013-04-17 中国电力科学研究院 电动汽车交流充电桩连接装置控制导引测试仪
CN212211029U (zh) * 2020-10-30 2020-12-22 成都艾默泰克科技有限公司 一种电动汽车协议一致性测试装置
CN212391553U (zh) * 2020-04-09 2021-01-22 国网冀北电力有限公司计量中心 直流充电机检测系统
CN113533872A (zh) * 2020-04-20 2021-10-22 华晨宝马汽车有限公司 车辆测试装置、系统、方法、车辆以及车辆测试台架

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120022811A1 (en) * 2009-09-08 2012-01-26 Blake Edward Dickinson Electric vehicle simulator and analyzer (evsa) for electric vehicle supply equipment
CN202886486U (zh) * 2012-08-15 2013-04-17 中国电力科学研究院 电动汽车交流充电桩连接装置控制导引测试仪
CN212391553U (zh) * 2020-04-09 2021-01-22 国网冀北电力有限公司计量中心 直流充电机检测系统
CN113533872A (zh) * 2020-04-20 2021-10-22 华晨宝马汽车有限公司 车辆测试装置、系统、方法、车辆以及车辆测试台架
CN212211029U (zh) * 2020-10-30 2020-12-22 成都艾默泰克科技有限公司 一种电动汽车协议一致性测试装置

Also Published As

Publication number Publication date
CN118159852A (zh) 2024-06-07

Similar Documents

Publication Publication Date Title
CN105008173B (zh) 跨协议充电适配器
CN101394096B (zh) 电池组模拟器
US10322636B2 (en) Apparatus and method for electrically connecting charger to electric vehicle
CN107681757A (zh) 备份电源
CN113401007A (zh) 电力管理装置以及电力管理方法
CN108646105A (zh) 模拟交流充电桩、车载充电机与bms交互实现充电过程测试的设备
CN111231766B (zh) 电动汽车智能充电控制方法、电动汽车及计算机装置
CN209813744U (zh) 双向充电机及车对车充电系统
WO2014208561A1 (fr) Procédé de gestion d'état de charge, dispositif de gestion d'état de charge et programme
CN108569151A (zh) 基于ac输入电路电压响应的车载充电器输入电流限制设置
JP7079223B2 (ja) バッテリ状態判定システム、車載装置、サーバ、バッテリ状態判定方法、及びプログラム
CN108152644A (zh) 测试系统
CN109017399A (zh) 电动汽车的智能充电系统及方法
WO2023102773A1 (fr) Procédé et appareil de détection
EP4389533A1 (fr) Procédé de démarrage de véhicule, alimentation électrique et véhicule
KR102197021B1 (ko) 차량용 배터리 충전 장치, 방법 및 컴퓨터 판독 가능한 기록 매체
CN109818089A (zh) 一种电池限流方法及装置
CN209955803U (zh) 电池组充电装置
CN208255331U (zh) 一种充电桩cc/cp功能测试装置
Lu et al. Applying Internet of Things to Data Monitoring of Powered Wheelchairs.
CN105591168A (zh) 铅酸电池管理系统
WO2023044798A1 (fr) Procédé et appareil de détection d'état de branchement
CN107487198B (zh) 电动车电池的剩余电量的处理方法、装置及电动车
JP7512974B2 (ja) 車両制御装置、車両、電力供給システム、プログラムおよび電力供給方法
CN219487196U (zh) 动力电池系统及托盘叉车

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21966697

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202180104058.9

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE