CN112737881B - Communication test method and device for electric vehicle charging equipment and terminal equipment - Google Patents
Communication test method and device for electric vehicle charging equipment and terminal equipment Download PDFInfo
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- CN112737881B CN112737881B CN202011567326.4A CN202011567326A CN112737881B CN 112737881 B CN112737881 B CN 112737881B CN 202011567326 A CN202011567326 A CN 202011567326A CN 112737881 B CN112737881 B CN 112737881B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
- G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention is suitable for the technical field of communication, and provides a communication test method and device for electric vehicle charging equipment and terminal equipment, wherein the method comprises the following steps: acquiring first communication data between the charging controller and the charging controller, second communication data between the charging controller and the charging module, and third communication data between the charging controller and the switch module; and testing the communication logic among all groups of components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and a preset communication logic to generate a communication logic test result. According to the method and the device, communication logics among the group components can be detected by acquiring communication data among the group components, so that whether the charging process of the electric automobile charging equipment is reliable or not is determined, and the safety of the charging process is improved.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a communication test method and device for electric vehicle charging equipment and terminal equipment.
Background
At present, along with the rapid popularization of electric automobiles, the electric automobile charging pile has more and more requirements. In order to improve the quality of the electric automobile charging pile and standardize the standard of the electric automobile charging pile, the state puts forward unified requirements on a communication physical layer, a data link layer, an interaction flow, a message classification, a message format and content related to communication among a charging controller, a charging module and an A/B/C type switch module in charging equipment.
In order to verify the conformity of the special components of different manufacturers, the consistency of the special components of each manufacturer needs to be detected. However, at present, the detection of the communication protocol of the components in the charging pile only stays in the detection of the correctness of the communication data, so that the reliability and the safety of the charging process of the electric automobile are poor.
Disclosure of Invention
In view of this, embodiments of the present invention provide a communication testing method and apparatus for an electric vehicle charging device, and a terminal device, so as to solve the problem in the prior art that the reliability and the safety of an electric vehicle charging process are poor.
The first aspect of the embodiment of the invention provides a communication test method for electric vehicle charging equipment, wherein the electric vehicle charging equipment comprises a charging controller, a charging module and a switch module; the output end of the charging controller is connected with the input end of the charging controller, the output end of the charging controller is respectively connected with the input end of the charging module and the control end of the switch module, the output end of the charging module is connected with the first end of the switch module, and the second end of the switch module is connected with the output end of the electric vehicle charging equipment;
the method comprises the following steps:
acquiring first communication data between the charging controller and the charging controller, second communication data between the charging controller and the charging module, and third communication data between the charging controller and the switch module;
and testing the communication logic among all groups of components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and a preset communication logic to generate a communication logic test result.
A second aspect of the embodiments of the present invention provides a communication testing apparatus for an electric vehicle charging device, where the electric vehicle charging device includes a charging controller, a charging module, and a switch module; the output end of the charging controller is connected with the input end of the charging controller, the output end of the charging controller is respectively connected with the input end of the charging module and the control end of the switch module, the output end of the charging module is connected with the first end of the switch module, and the second end of the switch module is connected with the output end of the electric vehicle charging equipment;
the communication testing device of the electric automobile charging equipment comprises:
the charging control device comprises a charging controller, a communication data acquisition module and a switching module, wherein the charging controller is used for charging the charging module and the charging module;
and the communication logic test module is used for testing the communication logic among all the components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and a preset communication logic to generate a communication logic test result.
A third aspect of the embodiments of the present invention provides a terminal device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the steps of the communication test method for an electric vehicle charging device as described above are implemented.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the communication testing method for an electric vehicle charging apparatus as described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: the communication test method of the electric vehicle charging equipment comprises the steps of firstly obtaining first communication data between a charging controller and a charging controller, second communication data between the charging controller and a charging module and third communication data between the charging controller and a switch module; and then testing the communication logic among all groups of components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and a preset communication logic to generate a communication logic test result. According to the embodiment, the communication logic between the group components can be detected by acquiring the communication data between the group components, so that whether the charging process of the electric vehicle charging equipment is reliable or not is determined, and the safety of the charging process is improved.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electric vehicle charging apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating an implementation of a communication testing method for electric vehicle charging equipment according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a communication testing apparatus of an electric vehicle charging device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to illustrate the technical means of the present invention, the following description is given by way of specific examples.
In this embodiment, as shown in fig. 1, fig. 1 is a schematic structural diagram of an electric vehicle charging apparatus provided in an embodiment of the present invention, and includes: the charging system comprises a charging controller TCU, a charging controller, a charging module PDM and a switch module; the output of charge controller TCU with charge controller's input is connected, charge controller's output respectively with charge module PDM's input the control end of switch module is connected, charge module PDM's output with switch module's first end is connected, switch module's second end with electric automobile battery charging outfit's output is connected.
Specifically, the charging controller comprises a charging main control module CCU and a power control module PCU; the switch module comprises a switch control unit KCU and a power switch K1; the electric automobile charging equipment further comprises an output contactor K2;
the input end of the charging main control module CCU is the input end of the charging controller, the output end of the charging main control module CCU is respectively connected with the control end of the output contactor K2 and the input end of the power control module PCU, and the output end of the power control module PCU is the output end of the charging controller; the input end of the switch control unit KCU is the control end of the switch module, the output end of the switch control unit KCU is connected with the control end of the power switch K1, the first end of the power switch K1 is the first end of the switch module, and the second end of the power switch K1 is the second end of the switch module; the output contactor K2 is connected between the second end of the switch module and the output end of the electric automobile charging device.
In this embodiment, the output terminal of the battery car charging device is used for connecting the battery of the electric car.
In an embodiment, as shown in fig. 2, fig. 2 shows an implementation flow of a communication testing method for an electric vehicle charging device provided in this embodiment, and a process of the implementation flow is detailed as follows:
s101: acquiring first communication data between the charging controller and the charging controller TCU, second communication data between the charging controller and the charging module PDM and third communication data between the charging controller and the switch module;
s102: and testing the communication logic among all groups of components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and a preset communication logic to generate a communication logic test result.
The execution main body of the embodiment is an upper computer terminal device, and the upper computer terminal device is used for acquiring first communication data, second communication data and third communication data of the electric vehicle charging device, and verifying communication logics among all components of the electric vehicle charging device according to the first communication data, the second communication data and the third communication data.
As can be seen from the foregoing embodiments, in the present embodiment, communication logic between the group components can be detected by acquiring communication data between the group components, so as to determine whether a charging process of the electric vehicle charging apparatus is reliable, and thus, safety of the charging process is improved.
In one embodiment, the specific implementation flow of S101 in fig. 2 includes:
acquiring communication data between the charging controller TCU and the charging controller through a first CAN acquisition module as first communication data;
acquiring communication data between the charging controller and the charging module PDM through a second CAN acquisition module as second communication data;
and acquiring communication data between the charging controller and the switch module through a third CAN acquisition module as the third communication data.
In this embodiment, the first CAN acquisition module is disposed between the charging controller TCU and the charging controller, and is configured to acquire communication data between the charging controller TCU and the charging controller as first communication data. The second CAN acquisition module is arranged between the charging controller and the charging module PDM and is used for acquiring communication data between the charging controller and the charging module PDM as the second communication data; the third CAN acquisition module is arranged between the charging controller and the switch module and used for acquiring communication data between the charging controller and the switch module as the third communication data.
Specifically, the first CAN acquisition module, the second CAN acquisition module and the third CAN acquisition module are all CAN acquisition instruments.
In one embodiment, the communication logic test results include communication data test results and associated sequential test results; the specific implementation process of S101 in fig. 2 includes:
s201: according to the first communication data and the second communication data, judging whether values of target data respectively corresponding to the charging controller TCU, the charging controller and the charging module PDM are the same or not to obtain a communication data test result;
s202: and judging whether the sequence of the charging controller TCU, the charging controller, the charging module PDM and the switch module when executing the correlation action is correct or not according to the first communication data, the second communication data and the third communication data, and obtaining a correlation sequence test result.
In this embodiment, through the first data, the second data, and the third data, it may be determined whether values of the same data interacted among the group components are the same, or whether a sequence of operations of each group component is correct in different specific charging flows.
Specifically, the specific charging process may include a charging start process and a charging stop process.
In one embodiment, the first communication data includes a charging start command issued by the charging controller TCU to the charging main control module CCU and a first charging demand instruction issued by the charging main control module CCU to the power control module PCU; the second communication data comprise a second charging demand instruction which is issued by the power control module PCU to the charging module PDM; the target data includes a demand voltage; the specific implementation process of S201 includes:
and judging whether the required voltage carried in the charging starting command, the required voltage carried in the first charging requirement instruction and the required voltage carried in the second charging requirement instruction are the same or not.
If the judgment result of the communication data is yes, the communication data transmission of the electric vehicle charging equipment in the starting process is normal, otherwise, the judgment item is an abnormal communication item.
In one embodiment, the first communication data includes an output contactor status, a charging output voltage, and a battery voltage uploaded to the charging master control module CCU to the charging controller TCU; the second communication data comprises a charging output voltage uploaded by the charging module PDM to the power control module PCU; the third communication data comprises a power switch state uploaded by the switch control unit KCU to the power control module PCU;
in an embodiment, the specific implementation process of S202 includes:
s301: in the starting process of the electric automobile charging equipment, determining the closing time of a power switch according to the state of the power switch;
s302: determining the closing time of the output contactor according to the state of the output contactor;
s303: determining the first arrival time according to the charging output voltage and the required voltage, wherein the first arrival time is the time when the charging output voltage reaches the required voltage;
s304: determining the second arrival time according to the charging output voltage and the battery voltage, wherein the second arrival time is the time when the charging output voltage reaches the battery voltage;
s305: determining whether the power switch on time is after the first arrival time;
s306: determining whether the output contactor closing time is after the second arrival time.
If the judgment results of S305 and S306 are both yes, it is indicated that the communication logic of the electric vehicle charging device in the starting process is normal, otherwise, the judgment item of no is output as the communication abnormal item.
In this embodiment, the first communication data includes communication data between the charging controller TCU and the charging main control module CCU and communication data between the charging main control module CCU and the power control module PCU, the first CAN acquisition module includes two CAN acquisition instruments, one of the two CAN acquisition instruments is used to acquire communication data between the charging controller TCU and the charging main control module CCU, and the other CAN acquisition instrument is used to acquire communication data between the charging main control module CCU and the power control module PCU.
In this embodiment, the first communication data may specifically include a charge start command and a charge stop command issued by the charging controller TCU to the charging main control module CCU, and a charge output voltage, a charge output current, a battery voltage, an output contactor state, a charging interface temperature, fault alarm information, and some BMS information uploaded by the charging main control module CCU to the charging controller TCU.
The second communication data comprise a first charging demand instruction, a first shutdown instruction, a demand voltage, a demand current, a charging output voltage and a charging output current which are sent to a power control module PCU by the charging main control module CCU, and fault warning information uploaded to the charging main control module CCU by the power control module PCU; and the power control module PCU sends a second charging demand instruction, a second shutdown instruction, a demand voltage and a demand current to the charging module PDM, and the charging output voltage, the charging output current and fault warning information uploaded to the power control module PCU by the charging module PDM.
The third communication data comprises power switch state and fault information uploaded to the power control module PCU by the switch control unit KCU; and a power switch K1 control command issued by the power control module PCU to the switch control unit KCU.
In this embodiment, the starting process of the electric vehicle charging apparatus includes:
charging start order is issued to charging main control module CCU by charging controller TCU, first charging demand order is issued to power control module PCU by charging main control module CCU, second charging demand order is issued to charging module PDM by power control module PCU, power control module PCU issues power switch K1 control order to switch on power switch K1 after waiting for charging output voltage of charging module PDM to reach demand voltage, output contactor K2 is closed after charging main control module CCU detects that the bus voltage of charging equipment is close to the battery voltage, thus can furthest protect battery charging safety and increase the life of charging pile.
In this embodiment, based on the starting process of the electric vehicle charging apparatus, the communication logic of the electric vehicle charging apparatus during the starting process may be determined, specifically, in addition to the determination logic of S201 and S301-S306, the embodiment further includes:
s307: and judging whether the charging output voltage and the charging output current respectively corresponding to each group component are lower than the required voltage and the required current in the starting process.
S308: and judging whether the charging output voltage and the charging output current transmitted by each group component in the same sampling period are the same.
If all judgment results in S301-S308 are yes, the communication logic of the electric vehicle charging equipment in the starting process is normal, otherwise, the judgment item with the output of no is used as the abnormal communication item.
In this embodiment, the shutdown process of the electric vehicle charging apparatus includes:
the charging controller TCU issues a charging stop command to the charging main control module CCU, the charging main control module CCU issues a first stop command to the power control module PCU, the power control module PCU issues a second stop command to the charging module PDM, the power control module PCU issues a power switch K1 control command to the switch control unit KCU to disconnect the power switch K1, and the charging main control module CCU disconnects the output contactor K2.
Specifically, the power control module PCU issues a power switch K1 command to the switch control unit KCU to turn off the power switch K1 upon detecting that the charging output voltage of the charging module PDM drops below a preset voltage value. The charging main control module CCU disconnects the output contactor K2 when detecting that the bus voltage of the charging equipment is reduced to be lower than a preset voltage value, so that the charging safety of the battery can be protected to the maximum extent, and the service life of the charging pile is prolonged.
In this embodiment, based on the shutdown process of the electric vehicle charging apparatus, the communication logic of the electric vehicle charging apparatus during the shutdown process may be determined, which includes:
s401: and judging whether a first stop instruction sent by a charging main control module CCU and a second stop instruction sent by a power control module PCU meet the requirements in time, and if the charging main control module CCU is in fault stop, judging whether the fault information meets the requirements with the time of the first stop instruction and the time of the second stop instruction.
S402: judging whether the disconnection time of the output contactor is reduced after the charging current uploaded by the charging module PDM and/or the charging main control module CCU according to the state of the output contactor uploaded by the charging main control module CCU;
s403: and judging whether the power switch off time is after the charging current uploaded by the charging module PDM and/or the charging main control module CCU is reduced or not according to the power switch state uploaded by the charging main control module CCU.
If the judgment results of S401-S403 are all yes, the communication logic of the electric vehicle charging equipment in the shutdown process is normal, otherwise, the judgment item which is output as no is used as the communication abnormal item.
When the abnormal communication item exists, the upper computer terminal equipment can generate alarm information, the alarm information comprises specific information of the abnormal communication item and is used for reminding a user to perform specific verification on related components of the electric automobile charging equipment as soon as possible, and therefore reliability and safety of a charging process of the electric automobile charging equipment are improved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In one embodiment, as shown in fig. 3, the present embodiment provides a structure of a communication testing apparatus of an electric vehicle charging device, where the electric vehicle charging device includes a billing controller TCU, a charging controller, a charging module PDM, and a switch module; the output end of the charging controller TCU is connected with the input end of the charging controller, the output end of the charging controller is respectively connected with the input end of the charging module PDM and the control end of the switch module, the output end of the charging module PDM is connected with the first end of the switch module, and the second end of the switch module is connected with the output end of the electric vehicle charging equipment; the communication test device 100 of the electric vehicle charging equipment comprises:
a communication data obtaining module 110, configured to obtain first communication data between the charging controller and the charging controller TCU, second communication data between the charging controller and the charging module PDM, and third communication data between the charging controller and the switch module;
the communication logic testing module 120 is configured to test communication logic between each group of components in the electric vehicle charging device according to the first communication data, the second communication data, the third communication data and preset communication logic, so as to generate a communication logic testing result.
In one embodiment, the communication data acquisition module 110 includes:
the first communication data acquisition unit is used for acquiring communication data between the charging controller TCU and the charging controller as the first communication data through a first CAN acquisition module;
the second communication data acquisition unit is used for acquiring communication data between the charging controller and the charging module PDM through a second CAN acquisition module as second communication data;
and the third communication data acquisition unit is used for acquiring communication data between the charging controller and the switch module through a third CAN acquisition module as the third communication data.
In one embodiment, the communication logic test results include communication data test results and associated sequential test results; the communication logic test module comprises:
the first testing unit is used for judging whether values of target data respectively corresponding to the charging controller TCU, the charging controller and the charging module PDM are the same or not according to the first communication data and the second communication data to obtain a communication data testing result;
and the second testing unit is used for judging whether the sequence of the charging controller TCU, the charging controller, the charging module PDM and the switch module when executing the correlation action is correct or not according to the first communication data, the second communication data and the third communication data, and obtaining a correlation sequence testing result.
In one embodiment, the charging controller comprises a charging main control module CCU and a power control module PCU; the input end of the charging main control module CCU is connected with the input end of the charging controller, the output end of the charging main control module CCU is connected with the input end of the power control module PCU, and the output end of the power control module PCU is the output end of the charging controller;
the first communication data comprise a charging starting command issued by the charging controller TCU to the charging main control module CCU and a first charging demand instruction issued by the charging main control module CCU to the power control module PCU; the second communication data include a second charging demand instruction which is issued by the power control module PCU to the charging module PDM; the target data comprises a demand voltage;
the first test unit includes:
and judging whether the required voltage carried in the charging starting command, the required voltage carried in the first charging required command and the required voltage carried in the second charging required command are the same or not.
In one embodiment, the charging controller comprises a charging master control module CCU and a power control module PCU; the switch module comprises a switch control unit KCU and a power switch K1; the electric automobile charging equipment further comprises an output contactor K2;
the input end of the charging main control module CCU is the input end of the charging controller, the output end of the charging main control module CCU is respectively connected with the control end of the output contactor K2 and the input end of the power control module PCU, and the output end of the power control module PCU is the output end of the charging controller; the input end of the switch control unit KCU is the control end of the switch module, the output end of the switch control unit KCU is connected with the control end of the power switch K1, the first end of the power switch K1 is the first end of the switch module, and the second end of the power switch K1 is the second end of the switch module; the output contactor K2 is connected between the second end of the switch module and the output end of the electric automobile charging equipment;
the first communication data comprise the state of an output contactor, charging output voltage and battery voltage uploaded to the charging main control module CCU and transmitted to the charging controller TCU; the second communication data comprises a charging output voltage uploaded by the charging module PDM to the power control module PCU; the third communication data comprises a power switch state uploaded by the switch control unit KCU to the power control module PCU;
the second test unit includes:
the power switch closing time acquisition subunit is used for determining the closing time of the power switch according to the state of the power switch in the starting process of the electric automobile charging equipment;
the contactor closing time acquisition subunit is used for determining the closing time of the output contactor according to the state of the output contactor;
a first arrival time determining subunit configured to determine the first arrival time according to the charging output voltage and a required voltage, where the first arrival time is a time when the charging output voltage reaches the required voltage;
a second arrival time determining subunit configured to determine the second arrival time from the charging output voltage and the battery voltage, the second arrival time being a time at which the charging output voltage arrives at the battery voltage;
the first judgment subunit is used for judging whether the closing time of the power switch is after the first arrival time;
and the second judgment subunit is used for judging whether the closing time of the output contactor is after the second arrival time.
Fig. 4 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 4, the terminal device 4 of this embodiment includes: a processor 40, a memory 41 and a computer program 42 stored in said memory 41 and executable on said processor 40. The processor 40 executes the computer program 42 to implement the steps in the above embodiments of the communication testing method for the electric vehicle charging apparatus, such as steps 101 to 102 shown in fig. 2. Alternatively, the processor 40, when executing the computer program 42, implements the functions of the modules/units in the above-mentioned device embodiments, such as the functions of the modules 110 to 120 shown in fig. 3.
The computer program 42 may be partitioned into one or more modules/units that are stored in the memory 41 and executed by the processor 40 to implement the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program 42 in the terminal device 4.
The terminal device 4 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The terminal device may include, but is not limited to, a processor 40, a memory 41. Those skilled in the art will appreciate that fig. 4 is merely an example of a terminal device 4 and does not constitute a limitation of terminal device 4 and may include more or fewer components than shown, or some components may be combined, or different components, e.g., the terminal device may also include input-output devices, network access devices, buses, etc.
The Processor 40 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 41 may be an internal storage unit of the terminal device 4, such as a hard disk or a memory of the terminal device 4. The memory 41 may also be an external storage device of the terminal device 4, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the terminal device 4. Further, the memory 41 may also include both an internal storage unit and an external storage device of the terminal device 4. The memory 41 is used for storing the computer program and other programs and data required by the terminal device. The memory 41 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. The communication test method of the electric vehicle charging equipment is characterized in that the electric vehicle charging equipment comprises a charging controller, a charging module and a switch module; the output end of the charging controller is connected with the input end of the charging controller, the output end of the charging controller is respectively connected with the input end of the charging module and the control end of the switch module, the output end of the charging module is connected with the first end of the switch module, and the second end of the switch module is connected with the output end of the electric vehicle charging equipment;
the method comprises the following steps:
acquiring first communication data between the charging controller and the charging controller, second communication data between the charging controller and the charging module, and third communication data between the charging controller and the switch module;
testing communication logics among all groups of components in the electric automobile charging equipment according to the first communication data, the second communication data, the third communication data and preset communication logics to generate communication logic test results;
the communication logic test result comprises a communication data test result and an associated sequence test result; the step of testing communication logics among all groups of components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and preset communication logics to generate a communication logic test result includes:
judging whether values of target data respectively corresponding to the charging controller, the charging controller and the charging module are the same or not according to the first communication data and the second communication data to obtain a communication data test result;
and judging whether the sequence of the charging controller, the charging module and the switch module when executing the association action is correct or not according to the first communication data, the second communication data and the third communication data, and obtaining the association sequence test result.
2. The communication test method of the electric vehicle charging device according to claim 1, wherein the obtaining of the first communication data between the charging controller and the billing controller, the second communication data between the charging controller and the charging module, and the third communication data between the charging controller and the switch module includes:
acquiring communication data between the charging controller and the charging controller through a first CAN acquisition module as the first communication data;
acquiring communication data between the charging controller and the charging module through a second CAN acquisition module as second communication data;
and acquiring communication data between the charging controller and the switch module through a third CAN acquisition module as the third communication data.
3. The communication test method of the electric vehicle charging equipment according to claim 1, wherein the charging controller comprises a charging main control module and a power control module; the input end of the charging main control module is connected with the input end of the charging controller, the output end of the charging main control module is connected with the input end of the power control module, and the output end of the power control module is the output end of the charging controller;
the first communication data comprise a charging starting command sent by the charging controller to the charging main control module and a first charging demand instruction sent by the charging main control module to the power control module; the second communication data comprise a second charging demand instruction which is issued by the power control module to the charging module; the target data includes a demand voltage;
the determining, according to the first communication data and the second communication data, whether values of target data respectively corresponding to the charging controller, and the charging module are the same includes:
and judging whether the required voltage carried in the charging starting command, the required voltage carried in the first charging requirement instruction and the required voltage carried in the second charging requirement instruction are the same or not.
4. The communication test method of the electric vehicle charging equipment according to claim 1, wherein the charging controller comprises a charging main control module and a power control module; the switch module comprises a switch control unit and a power switch; the electric automobile charging equipment further comprises an output contactor;
the input end of the charging main control module is the input end of the charging controller, the output end of the charging main control module is respectively connected with the control end of the output contactor and the input end of the power control module, and the output end of the power control module is the output end of the charging controller; the input end of the switch control unit is the control end of the switch module, the output end of the switch control unit is connected with the control end of the power switch, the first end of the power switch is the first end of the switch module, and the second end of the power switch is the second end of the switch module; the output contactor is connected between the second end of the switch module and the output end of the electric automobile charging equipment;
the first communication data comprise the state of an output contactor, charging output voltage and battery voltage uploaded to the charging controller by the charging main control module; the second communication data comprises a charging output voltage uploaded to the power control module by the charging module; the third communication data comprises a power switch state uploaded to the power control module by the switch control unit;
the determining, according to the first communication data, the second communication data, and the third communication data, whether an order in which the charging controller, the charging module, and the switching module execute the associated action is correct includes:
in the starting process of the electric automobile charging equipment, determining the closing time of a power switch according to the state of the power switch;
determining the closing time of the output contactor according to the state of the output contactor;
determining first arrival time according to the charging output voltage and the required voltage, wherein the first arrival time is the time when the charging output voltage reaches the required voltage;
determining a second arrival time according to the charging output voltage and the battery voltage, wherein the second arrival time is the time when the charging output voltage reaches the battery voltage;
determining whether the power switch on time is after the first arrival time;
determining whether the output contactor closing time is after the second arrival time.
5. A communication testing device of electric vehicle charging equipment is characterized in that the electric vehicle charging equipment comprises a charging controller, a charging module and a switch module; the output end of the charging controller is connected with the input end of the charging controller, the output end of the charging controller is respectively connected with the input end of the charging module and the control end of the switch module, the output end of the charging module is connected with the first end of the switch module, and the second end of the switch module is connected with the output end of the electric vehicle charging equipment;
the communication testing device of the electric automobile charging equipment comprises:
the charging control device comprises a charging controller, a communication data acquisition module and a switching module, wherein the charging controller is used for charging the charging module and the charging module;
the communication logic testing module is used for testing the communication logic among all the components in the electric vehicle charging equipment according to the first communication data, the second communication data, the third communication data and preset communication logic to generate a communication logic testing result;
the communication logic test result comprises a communication data test result and an associated sequence test result; the communication logic test module comprises:
the first testing unit is used for judging whether values of target data respectively corresponding to the charging controller, the charging controller and the charging module are the same or not according to the first communication data and the second communication data to obtain a communication data testing result;
and the second testing unit is used for judging whether the sequence of the charging controller, the charging module and the switch module when executing the correlation action is correct or not according to the first communication data, the second communication data and the third communication data, and obtaining a correlation sequence testing result.
6. The communication test device of the electric vehicle charging equipment according to claim 5, wherein the communication data acquisition module comprises:
the first communication data acquisition unit is used for acquiring communication data between the charging controller and the charging controller through a first CAN acquisition module as the first communication data;
the second communication data acquisition unit is used for acquiring communication data between the charging controller and the charging module through a second CAN acquisition module as the second communication data;
and the third communication data acquisition unit is used for acquiring communication data between the charging controller and the switch module through a third CAN acquisition module as the third communication data.
7. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor realizes the steps of the method according to any of claims 1 to 4 when executing the computer program.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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| US20160327615A1 (en) * | 2015-05-05 | 2016-11-10 | Seaward Group | Method and apparatus for a portable electric vehicle supply equipment tester |
| CN105823957B (en) * | 2016-02-26 | 2020-01-21 | 保定友源电力科技有限公司 | Electric automobile direct current interface connection state and communication performance test system that charges |
| CN106355761A (en) * | 2016-09-23 | 2017-01-25 | 芜湖雪影实业有限公司 | Electric vehicle charge control system based on Internet of Things |
| CN108965044B (en) * | 2018-06-12 | 2020-07-31 | 南瑞集团有限公司 | Electric vehicle charging facility communication data link health state testing device, system and method |
| CN108982995A (en) * | 2018-06-15 | 2018-12-11 | 国网电动汽车服务有限公司 | A kind of portable charged stake networking detection device and enter network detecting method |
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| JP2002170609A (en) * | 2000-11-30 | 2002-06-14 | Yutaka Denki Seisakusho:Kk | Power clip, and power feed and discharg testing device using the same |
| CN103389432A (en) * | 2013-08-06 | 2013-11-13 | 国网电力科学研究院 | Test device for charging control process of DC (direct current) battery charger of electric automobile and implementation method of device |
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