阅读说明：本技术 车辆充电故障的检测方法、装置、设备、车辆及存储介质 (Method, device and equipment for detecting charging fault of vehicle, vehicle and storage medium ) 是由 周继云 于 2020-06-08 设计创作，主要内容包括：本申请提供了一种车辆充电故障的检测方法、装置、设备、车辆及存储介质。车辆充电故障的检测方法包括：在车辆的充电启动阶段和充电阶段实时检测是否存在故障流程码；在检测到故障流程码时,执行以下至少一项操作：对故障流程码进行解析,向车载显示终端发送解析得到的充电故障信息或充电流程信息；向云服务器发送故障流程码,使云服务器对故障流程码进行解析,并向移动终端发送解析得到的充电故障信息或充电流程信息。本申请可使用户及时了解当前的流程状态或在遇到充电失败时明确失败原因,便于用户排查充电问题。(The application provides a method, a device, equipment, a vehicle and a storage medium for detecting a vehicle charging fault. The detection method of the vehicle charging fault comprises the following steps: detecting whether a fault flow code exists in real time in a charging starting stage and a charging stage of the vehicle; upon detecting the faulty flow code, performing at least one of: analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained by analysis to a vehicle-mounted display terminal; and sending the fault flow code to a cloud server, so that the cloud server analyzes the fault flow code, and sends the charging fault information or the charging flow information obtained by analysis to the mobile terminal. The method and the device for charging can enable a user to know the current flow state in time or clarify the reason of failure when the charging fails, and are convenient for the user to check the charging problem.)

1. A method of detecting a charging fault of a vehicle, comprising:

detecting whether a fault flow code exists in a charging starting stage and a charging stage of a vehicle in real time, and executing at least one of the following operations when the fault flow code is detected:

analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained by analysis to a vehicle-mounted display terminal;

and sending the fault flow code to a cloud server, so that the cloud server analyzes the fault flow code, and sends the charging fault information or the charging flow information obtained by analysis to a mobile terminal.

2. The detection method according to claim 1, wherein the fault flow code is preset by:

in the first charging starting stage, detecting a charging fault of a vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault;

and in the first charging stage, detecting the charging faults of the vehicle charging system, and recording corresponding fault flow codes for at least one detected charging fault.

3. The method according to claim 2, wherein the detecting charging faults of the vehicle charging system in the initial charging starting phase, and recording corresponding fault flow codes for at least one detected charging fault comprises:

and carrying out self-checking on the vehicle charging system, determining whether the vehicle charging system has a system fault, and recording a corresponding fault flow code when the vehicle charging system is determined to have the system fault.

4. The method according to claim 3, wherein during the initial charging start phase, a charging fault of the vehicle charging system is detected, and a corresponding fault flow code is recorded for at least one detected charging fault, further comprising:

when the fact that the vehicle charging system has no system fault is determined, detecting a first resistor connected to a charging gun of the vehicle, determining whether the first resistor meets a preset resistor condition, and recording a corresponding fault flow code when the fact that the first resistor does not meet the preset resistor condition is determined.

5. The method according to claim 4, wherein during the initial charging start phase, a charging fault of the vehicle charging system is detected, and a corresponding fault flow code is recorded for at least one detected charging fault, further comprising:

when the first resistance is determined to meet the preset resistance condition, detecting a first charging signal sent by the charging pile, determining whether the first charging signal meets a first signal condition, and recording a corresponding fault flow code when the first charging signal does not meet the first signal condition.

6. The method according to claim 5, wherein during the initial charging start phase, a charging fault of the vehicle charging system is detected, and a corresponding fault flow code is recorded for at least one detected charging fault, further comprising:

when the first charging signal is determined to meet the first signal condition, detecting the state of an electronic lock of a charging seat in the vehicle, and determining whether the electronic lock is in a locking state after a first time period of receiving a locking instruction;

and when the electronic lock is determined not to be in the locking state after the first time period of receiving the locking instruction, recording a corresponding fault flow code.

7. The method according to claim 6, wherein during the initial charging start phase, a charging fault of the vehicle charging system is detected, and a corresponding fault flow code is recorded for at least one detected charging fault, further comprising:

when the electronic lock is determined to be in a locked state after a first time period of receiving a locking instruction, detecting a first charging switch of the vehicle, and determining whether the first charging switch is in a closed state after a second time period of receiving a closing instruction;

and recording a corresponding fault flow code when the first charging switch is determined not to be in the closed state after receiving the second time period of the closing instruction.

8. The method according to claim 7, wherein during the initial charging start phase, a charging fault of the vehicle charging system is detected, and a corresponding fault flow code is recorded for at least one detected charging fault, further comprising:

upon determining that the first charging switch is in a closed state after receiving a second time period of a closing instruction, determining whether the vehicle charging system receives an alternating current signal of a first specified voltage;

and recording a corresponding fault flow code when the vehicle charging system is determined not to receive the alternating current signal of the first specified voltage.

9. The method according to claim 2, wherein the charging fault of the vehicle charging system is detected in the first charging stage, and the corresponding fault flow code is recorded for the detected at least one charging fault, and the method comprises at least one of the following operations:

detecting whether a charging device in a vehicle charging system normally stops running or not, recording a corresponding fault flow code when the charging device is determined to normally stop running, and stopping a current charging flow;

detecting whether the vehicle charging system is powered off or not, recording a corresponding fault flow code when the vehicle charging system is determined to be powered off, and stopping the current charging flow;

detecting whether a third charging switch of the vehicle charging system is disconnected, recording a corresponding fault flow code when the third charging switch is determined to be disconnected, and stopping the current charging flow;

detecting whether the vehicle charging system is disconnected with a charging gun or not, recording a corresponding fault flow code when the vehicle charging system is determined to be disconnected with the charging gun, and stopping the current charging flow;

detecting whether a first resistor connected to a charging gun of a vehicle meets a preset resistor condition, recording a corresponding fault flow code and stopping a current charging flow when the first resistor does not meet the preset resistor condition;

detecting whether a first charging signal of the vehicle charging system meets a first signal condition, recording a corresponding fault flow code and stopping a current charging flow when the first charging signal is determined not to meet the first signal condition;

detecting whether the power grid voltage is within a preset voltage range, recording a corresponding fault flow code when the power grid voltage is determined not to be within the preset voltage range, and stopping the current charging flow;

detecting whether the vehicle charging system has a ground fault and an equipment fault, recording a corresponding fault flow code when the vehicle charging system is determined to have the ground fault and/or the equipment fault, and stopping the current charging flow;

detecting whether a battery in the vehicle charging system is fully charged, recording a corresponding fault flow code when the battery is determined to be fully charged, and stopping the current charging flow;

detecting whether the electronic lock has a fault, recording a corresponding fault flow code when the electronic lock is determined to have the fault, and stopping the current charging flow.

10. A vehicle charging failure detection apparatus, comprising:

the real-time detection module is used for detecting fault flow codes in real time in a charging starting stage and a charging stage of the vehicle;

the analysis transmission module is used for executing at least one of the following steps when the fault flow code is detected: analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained by analysis to a vehicle-mounted display terminal; and sending the fault flow code to a cloud server, so that the cloud server analyzes the fault flow code, and sends the charging fault information or the charging flow information obtained by analysis to a mobile terminal.

11. The detection device of claim 10, further comprising:

the fault code setting module is used for presetting the fault flow code in the following mode: in the first charging starting stage, detecting a charging fault of a vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault; and in the first charging stage, detecting the charging faults of the vehicle charging system, and recording corresponding fault flow codes for at least one detected charging fault.

12. A vehicle charging failure detection apparatus, comprising:

a memory;

a processor electrically connected with the memory;

the memory stores a computer program executed by the processor to implement the method of detecting a vehicle charging fault according to any one of claims 1 to 9.

13. A vehicle, characterized by comprising: a vehicle charging system, a vehicle display terminal, and the vehicle charging failure detection apparatus according to claim 12;

the vehicle charging system and the vehicle display terminal are in communication connection with the detection equipment;

the detection device is in communication connection with a cloud server outside the vehicle.

14. A computer-readable storage medium, characterized in that a computer program is stored which, when being executed by a processor, implements the method of detecting a vehicle charging failure according to any one of claims 1 to 9.

Technical Field

The application relates to the technical field of fault detection, in particular to a method, a device, equipment, a vehicle and a storage medium for detecting a charging fault of the vehicle.

Background

New energy automobiles are more and more on the market, and alternating current charging scenes are more and more. Various problems may occur at the charging equipment end, which leads to charging failure, and the factors involved in ac charging are many, such as charging equipment, power grid, gun insertion process, etc., the reasons for charging failure are many and complex, and meanwhile, the problem of charging failure is also professional, and when the situation of charging failure is met, the common consumer cannot clearly identify the reasons for charging failure.

Disclosure of Invention

The application provides a method, a device, equipment, a vehicle and a storage medium for detecting a vehicle charging fault aiming at the defects of the existing mode, and is used for solving the technical problem that a consumer cannot clearly determine the reason when charging fails in the existing charging scene.

In a first aspect, an embodiment of the present application provides a method for detecting a vehicle charging fault, including:

detecting whether a fault flow code exists in real time in a charging starting stage and a charging stage of the vehicle;

upon detecting the faulty flow code, performing at least one of:

analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained by analysis to a vehicle-mounted display terminal;

and sending the fault flow code to a cloud server, so that the cloud server analyzes the fault flow code, and sends the charging fault information or the charging flow information obtained by analysis to the mobile terminal.

In a second aspect, an embodiment of the present application provides a vehicle charging fault detection apparatus, including:

the real-time detection module is used for detecting fault flow codes in real time in a charging starting stage and a charging stage of the vehicle;

the analysis transmission module is used for executing at least one of the following steps when the fault flow code is detected: analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained by analysis to a vehicle-mounted display terminal; and sending the fault flow code to a cloud server, so that the cloud server analyzes the fault flow code, and sends the charging fault information or the charging flow information obtained by analysis to the mobile terminal.

In a third aspect, an embodiment of the present application provides a device for detecting a charging fault of a vehicle, including:

a memory;

a processor electrically connected to the memory;

the memory stores a computer program executed by the processor to implement the method for detecting a charging fault of a vehicle provided by the first aspect of the embodiments of the present application.

In a fourth aspect, an embodiment of the present application provides a vehicle, including: the vehicle charging system comprises a vehicle charging system, a vehicle-mounted display terminal and a vehicle charging fault detection device provided by the third aspect of the embodiment of the application;

the vehicle charging system and the vehicle display terminal are in communication connection with the vehicle charging fault detection device;

the detection device of the vehicle charging fault is in communication connection with a cloud server outside the vehicle.

In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the method for detecting a charging fault of a vehicle provided in the first aspect of the embodiment of the present application.

The technical scheme provided by the embodiment of the application at least has the following beneficial effects:

the embodiment of the application can detect and analyze the preset fault flow code, and the analyzed charging fault information or charging flow information is displayed to a user through the vehicle-mounted display terminal or the mobile terminal, so that the user can know the current flow state in time or can determine the reason of failure when the charging fails, and the user can conveniently investigate the charging problem; in addition, the user can check the charging fault information or the charging process information through the vehicle-mounted display terminal or the mobile terminal, and the checking convenience of the user is improved.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic flowchart of a method for detecting a charging fault of a vehicle according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a charge control pilot circuit according to the prior art;

fig. 3 is an expanded flow diagram of an alternative implementation of setting a fault flow code in a first charging start stage in an embodiment of the present application;

fig. 4 is an expanded flow diagram of an alternative implementation of setting a fault flow code in the first charging stage in the embodiment of the present application;

fig. 5 is a schematic structural framework diagram of a vehicle charging fault detection device according to an embodiment of the present application;

fig. 6 is a schematic structural framework diagram of a vehicle charging fault detection device according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments.

An embodiment of the present application provides a vehicle, includes: the vehicle charging system comprises a vehicle charging system, a vehicle-mounted display terminal and a vehicle charging fault detection device (hereinafter referred to as detection device).

The vehicle charging system and the vehicle display terminal are in communication connection with the detection equipment; the detection device is in communication connection with a cloud server outside the vehicle; the cloud server can be in communication connection with the mobile terminal.

The detection device CAN communicate with a vehicle display terminal and a vehicle Network terminal through a Controller Area Network (CAN); the detection device can communicate with the mobile terminal through the vehicle-mounted network terminal.

The interaction among the devices can refer to the subsequent method embodiment; the structure of the vehicle charging failure detection apparatus will be described in detail in the subsequent embodiments.

Based on the same inventive concept, the embodiment of the present application provides a method for detecting a vehicle charging fault, which is applicable to a device for detecting a vehicle charging fault, and as shown in fig. 1, the method includes:

s101, detecting whether a fault flow code exists in real time in a charging starting stage and a charging stage of the vehicle, executing at least one of S102 and S103 when the fault flow code is detected, and continuing current detection when the fault flow code is not detected.

The charge starting stage in the embodiment of the present application refers to a stage from the time when the charge gun is inserted into the vehicle (i.e., the charge gun is connected to the vehicle, hereinafter referred to as the gun insertion) to the time when the charge is started (i.e., the charge gun starts to output current to the vehicle).

The charging phase in the embodiment of the present application refers to a phase from the start of charging to the stop of charging (i.e., the charging gun stops outputting current to the vehicle).

And S102, analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained through analysis to the vehicle-mounted display terminal.

The user can check the charging fault information or the charging process information through the vehicle-mounted display terminal, and when the charging failure occurs, the user can clearly determine the specific reason of the charging failure and the current charging process.

And S103, sending the fault flow code to the cloud server, enabling the cloud server to analyze the fault flow code, and sending the charging fault information or the charging flow information obtained through analysis to the mobile terminal.

The user can check the charging fault information or the charging process information through an application program (APP) of the mobile terminal, and when the charging failure occurs, the user can clearly determine the specific reason of the charging failure and the current charging process.

Optionally, the fault flow code in the embodiment of the present application may be preset in the following manner: in the first charging starting stage, detecting a charging fault of a vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault; and in the first charging stage, detecting the charging faults of the vehicle charging system, and recording corresponding fault flow codes for at least one detected charging fault.

In the embodiment of the application, the fault flow code is recorded, and meanwhile, the fault flow code is associated with the corresponding charging fault.

Optionally, in a first charging start stage, detecting a charging fault of the vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault, including: the method comprises the steps of carrying out self-checking on a vehicle charging system, determining whether the vehicle charging system has system faults or not, and recording corresponding fault flow codes (such as the fault flow code 01) when the vehicle charging system is determined to have the system faults.

The method comprises the steps of carrying out self-checking on a vehicle charging system, including detecting the connection state of each device in the vehicle charging system, the insulation performance of the vehicle charging system and the like, determining whether the connection state meets the preset safety requirements and the safety requirements of national standards, if the connection state meets the preset safety requirements or the safety requirements of the national standards, determining that no system fault occurs, and if the connection state does not meet the preset safety requirements and the safety requirements of the national standards, determining that the system fault occurs.

Optionally, in a first charging start stage, detecting a charging fault of the vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault, further including: when the fact that the vehicle charging system has no system fault is determined, a first resistor of a charging gun connected to the vehicle is detected, whether the first resistor meets a preset resistor condition or not is determined, and when the fact that the first resistor does not meet the preset resistor condition is determined, a corresponding fault flow code (such as the fault flow code 02) is recorded.

Optionally, the first resistor in the embodiment of the present application may be a CC resistor; the preset resistance condition may be set according to actual requirements, and in one example, the preset resistance condition may be: the resistance value is any one of three specifications of 100 omega, 220 omega and 680 omega, and the precision is +/-3%.

Optionally, in a first charging start stage, detecting a charging fault of the vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault, further including: when the first resistance is determined to meet the preset resistance condition, a first charging signal sent by the charging pile is detected, whether the first charging signal meets the first signal condition is determined, and when the first charging signal does not meet the first signal condition, a corresponding fault flow code (for example, the fault flow code 03) is recorded.

Fig. 2 shows a schematic diagram of a conventional charge control pilot circuit.

Alternatively, the first charging signal may be a CP signal as shown in fig. 2, and when detecting the first charging signal, it may be detected whether the duty ratio of the PWM wave of the CP signal satisfies the first signal condition; the first signal condition can be set according to actual requirements, and in one example, the first signal condition can be set such that the duty ratio of the PWM wave of the CP signal satisfies 3% or more and less than 7% or 8% or less and less than 90%, where | represents a logical or and D represents the duty ratio.

Optionally, in a first charging start stage, detecting a charging fault of the vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault, further including:

when the first charging signal is determined to meet the first signal condition, detecting the state of an electronic lock of a charging seat in the vehicle, and determining whether the electronic lock is in a locking state after a first time period of receiving a locking instruction; and when the electronic lock is determined not to be in the locking state after the first time period of receiving the locking instruction, recording a corresponding fault flow code.

The first time period may be set according to actual requirements.

If the electronic lock is not locked after the first time period of receiving the locking instruction, the electronic lock is considered to be unlocked when the electronic lock is to be locked, namely a fault occurs, and a corresponding fault flow code (such as the fault flow code 04) is recorded.

Optionally, in a first charging start stage, detecting a charging fault of the vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault, further including:

when the electronic lock is determined to be in the locked state after a first time period of receiving a locking instruction, detecting a first charging switch of the vehicle, and determining whether the first charging switch is in a closed state after a second time period of receiving a closing instruction; and recording a corresponding fault flow code when the first charging switch is determined not to be in the closed state after receiving the second time period of the closing instruction.

The first charging switch may be an S2 switch as shown in fig. 2, and whether the S2 switch is closed may be detected by detection point 1 in fig. 2; the second time period may be set according to actual requirements.

If the first charging switch is not closed after the second time period of receiving the closing instruction, the first charging switch is considered to be not closed when the first charging switch is supposed to be closed, that is, a fault occurs, and a corresponding fault flow code (for example, the fault flow code 05) is recorded.

Optionally, in a first charging start stage, detecting a charging fault of the vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault, further including:

determining whether the vehicle charging system receives an alternating current signal of a first specified voltage when it is determined that the first charging switch is in a closed state after receiving a second time period of a closing instruction; when the vehicle charging system is determined not to receive the alternating current signal of the first specified voltage, recording a corresponding fault flow code; and starting a charging process to start charging when the vehicle charging system is determined to receive the alternating current signal with the first specified voltage.

The first specified voltage may be set according to actual demand or an existing national standard, and may be set to 220V (volts), for example.

In the example shown in fig. 2, after the S2 switch is closed, the power supply device (e.g., the charging post) closes the K1 switch and the K2 switch, and releases the 220V ac signal, and in a normal case, the vehicle charging system receives the 220V ac signal, and if the vehicle charging system does not receive the 220V ac signal, it is determined that a fault occurs in the circuit of the vehicle charging system, and a corresponding fault flow code (e.g., fault flow code 06) is recorded.

In one example, during the first charge starting phase, a charge fault of the vehicle charging system is detected, and the development flow of the corresponding fault flow code is recorded for at least one detected charge fault as shown in fig. 3.

Optionally, in the first charging stage, a charging fault of the vehicle charging system is detected, and a corresponding fault flow code is recorded for at least one detected charging fault, including at least one of the following steps 1) to 10):

1) whether a charging device in a vehicle charging system normally stops running or not is detected, and when the charging device is determined to normally stop running, a corresponding fault flow code (such as the fault flow code 11) is recorded, and the current charging flow is stopped.

Alternatively, when detecting whether the charging device normally stops operating, it may be detected whether a signal (e.g., a PWM signal) received when the second charging switch (e.g., the S1 switch shown in fig. 2) is closed is a signal of the second specified voltage, and if so, the charging device is considered to normally stop operating. The second specified voltage may be set according to actual requirements, and may be set to +12V, for example.

2) Whether the vehicle charging system is powered off is detected, and when the vehicle charging system is determined to be powered off, a corresponding fault flow code (such as the fault flow code 12) is recorded, and the current charging flow is stopped.

Optionally, detecting whether the vehicle charging system is powered off comprises: and detecting whether the CP terminal, the L1 terminal and the N terminal shown in FIG. 2 have no signal output, and if the CP terminal, the L1 terminal and the N terminal have no signal output, determining that the vehicle charging system is powered off.

3) And detecting whether a third charging switch of the vehicle charging system is disconnected, recording a corresponding fault flow code (such as the fault flow code 13) when the third charging switch is determined to be disconnected, and stopping the current charging flow.

Alternatively, the third charging switch may be an S3 switch as shown in fig. 2, which indicates that charging has been stopped when the S3 switch is open.

4) And detecting whether the vehicle charging system is disconnected with the charging gun or not, recording a corresponding fault flow code (such as the fault flow code 14) when the vehicle charging system is determined to be disconnected with the charging gun, and stopping the current charging flow.

5) Detecting whether a first resistor of a charging gun connected to the vehicle meets a preset resistor condition, recording a corresponding fault flow code (such as the fault flow code 15) when the first resistor does not meet the preset resistor condition, and stopping the current charging flow.

Alternative embodiments and examples of the first resistance and the preset resistance condition are as described above.

6) Detecting whether a first charging signal of the vehicle charging system satisfies a first signal condition, recording a corresponding fault flow code (e.g., fault flow code 16) and stopping the current charging flow when it is determined that the first charging signal does not satisfy the first signal condition.

Alternative embodiments and examples of the first charging signal and the first signal condition are as described above.

7) And detecting whether the power grid voltage is in a preset voltage range, recording a corresponding fault flow code and stopping the current charging flow when the power grid voltage is determined not to be in the preset voltage range.

Optionally, when it is determined that the grid voltage is not within the preset voltage range, recording a corresponding fault flow code, including: when the grid voltage is determined to be larger than the upper limit value of the voltage range, recording a corresponding fault flow code (such as a fault flow code 17); when the grid voltage is determined to be less than the lower limit of the voltage range, the corresponding fault flow code (e.g., fault flow code 18) is recorded.

The voltage range in the embodiment of the present application may be set according to actual requirements or empirical values.

8) Detecting whether the vehicle charging system has ground fault and equipment fault, recording corresponding fault flow codes when the vehicle charging system is determined to have ground fault and/or equipment fault, and stopping the current charging flow.

The embodiment of the application can record corresponding fault flow codes (such as the fault flow codes 19 and 20) when the ground fault and the equipment fault are detected simultaneously.

Optionally, when detecting whether the vehicle charging system has the ground fault, it may detect whether the PE line shown in fig. 2 is connected abnormally, and if the PE line is connected abnormally, it is determined that the vehicle charging system has the ground fault, otherwise, it is determined that the vehicle charging system does not have the ground fault.

Optionally, when detecting whether the vehicle charging system has an equipment fault, it may detect whether each equipment in the vehicle charging system has any one of an abnormal phenomenon such as an over-high temperature (for example, a temperature is greater than a certain temperature threshold), an over-large insulation (for example, a resistance value of an insulation resistor is greater than a certain resistance value threshold), and an abnormal communication (for example, a communication interruption), and if any one of the above abnormal phenomena exists, it is determined that the vehicle charging system has the equipment fault, otherwise, it is determined that the vehicle charging system does not have the equipment fault.

It can be understood by those skilled in the art that, besides the above mentioned abnormal phenomena mentioned in the embodiments of the present application, there are other abnormal phenomena that can be used to determine whether there is an equipment failure in the vehicle charging system, and the description is not repeated here.

9) It is detected whether the battery in the vehicle charging system is fully charged, and upon determining that the battery is fully charged, the corresponding fault flow code (e.g., fault flow code 22) is recorded and the current charging flow is stopped.

10) Whether the electronic lock has a fault or not is detected, and when the electronic lock is determined to have the fault, a corresponding fault flow code is recorded, and the current charging flow (such as the fault flow code 21) is stopped.

Optionally, the failure condition of the electronic lock includes the electronic lock not being locked when it should be locked or not being unlocked when it should be unlocked.

In one example, during the first charge starting phase, a charge fault of the vehicle charging system is detected, and the development flow of the corresponding fault flow code is recorded for at least one detected charge fault as shown in fig. 4.

In the embodiment of the present application, CC, CP, S1, S2, K1, K2, L1, N, PE and detection point 1 are all defined in GBT 18487.1-2015, and are not described herein.

Based on the same inventive concept, an embodiment of the present application provides a vehicle charging fault detection apparatus, as shown in fig. 5, the detection apparatus includes: a real-time detection module 501 and an analysis transmission module 502.

And the real-time detection module 501 is configured to detect the fault flow code in real time in a charging start stage and a charging stage of the vehicle.

The parsing transmission module 502 is configured to, when a fault flow code is detected, perform at least one of the following steps: analyzing the fault flow code, and sending the charging fault information or the charging flow information obtained by analysis to a vehicle-mounted display terminal; and sending the fault flow code to a cloud server, so that the cloud server analyzes the fault flow code, and sends the charging fault information or the charging flow information obtained by analysis to the mobile terminal.

Optionally, the vehicle charging fault detection apparatus 500 provided in this application further includes: and a fault code setting module.

The fault code setting module is used for presetting a fault flow code in the following mode: in the first charging starting stage, detecting a charging fault of a vehicle charging system, and recording a corresponding fault flow code for at least one detected charging fault; and in the first charging stage, detecting the charging faults of the vehicle charging system, and recording corresponding fault flow codes for at least one detected charging fault.

Optionally, the fault code setting module is specifically configured to: the method comprises the steps of carrying out self-checking on the vehicle charging system, determining whether the vehicle charging system has system faults or not, and recording corresponding fault flow codes when the vehicle charging system is determined to have the system faults.

Optionally, the fault code setting module is specifically configured to: when the fact that the system fault does not occur in the vehicle charging system is determined, a first resistor connected to a charging gun of the vehicle is detected, whether the first resistor meets a preset resistor condition or not is determined, and when the fact that the first resistor does not meet the preset resistor condition is determined, a corresponding fault flow code is recorded.

Optionally, the fault code setting module is specifically configured to: when the first resistance is determined to meet the preset resistance condition, detecting a first charging signal sent by the charging pile, determining whether the first charging signal meets the first signal condition, and when the first charging signal does not meet the first signal condition, recording a corresponding fault flow code.

Optionally, the fault code setting module is specifically configured to: when the first charging signal is determined to meet the first signal condition, detecting the state of an electronic lock of a charging seat in the vehicle, and determining whether the electronic lock is in a locking state after a first time period of receiving a locking instruction; and when the electronic lock is determined not to be in the locking state after the first time period of receiving the locking instruction, recording a corresponding fault flow code.

Optionally, the fault code setting module is specifically configured to: when the electronic lock is determined to be in the locked state after a first time period of receiving a locking instruction, detecting a first charging switch of the vehicle, and determining whether the first charging switch is in a closed state after a second time period of receiving a closing instruction; and recording a corresponding fault flow code when the first charging switch is determined not to be in the closed state after receiving the second time period of the closing instruction.

Optionally, the fault code setting module is specifically configured to: determining whether the vehicle charging system receives an alternating current signal of a first specified voltage when it is determined that the first charging switch is in a closed state after receiving a second time period of a closing instruction; and recording a corresponding fault flow code when the vehicle charging system is determined not to receive the alternating current signal of the first specified voltage.

Optionally, the fault code setting module is specifically configured to perform at least one of step 1) to step 10):

1) detecting whether a charging device in a vehicle charging system normally stops running or not, recording a corresponding fault flow code when the charging device is determined to normally stop running, and stopping the current charging flow.

2) And detecting whether the vehicle charging system is powered off, recording a corresponding fault flow code when the vehicle charging system is determined to be powered off, and stopping the current charging flow.

3) And detecting whether a third charging switch of the vehicle charging system is disconnected, recording a corresponding fault flow code when the third charging switch is determined to be disconnected, and stopping the current charging flow.

4) And detecting whether the vehicle charging system is disconnected with the charging gun or not, recording a corresponding fault flow code when the disconnection of the vehicle charging system and the charging gun is determined, and stopping the current charging flow.

5) Whether a first resistor of a charging gun connected to a vehicle meets a preset resistor condition is detected, and when the first resistor does not meet the preset resistor condition, a corresponding fault flow code is recorded, and the current charging flow is stopped.

6) Detecting whether a first charging signal of a vehicle charging system meets a first signal condition, recording a corresponding fault flow code when the first charging signal does not meet the first signal condition, and stopping the current charging flow.

7) And detecting whether the power grid voltage is in a preset voltage range, recording a corresponding fault flow code and stopping the current charging flow when the power grid voltage is determined not to be in the preset voltage range.

8) Detecting whether the vehicle charging system has ground fault and equipment fault, recording corresponding fault flow codes when the vehicle charging system is determined to have ground fault and/or equipment fault, and stopping the current charging flow.

9) Detecting whether a battery in a vehicle charging system is fully charged, recording a corresponding fault flow code when the battery is determined to be fully charged, and stopping the current charging flow.

10) And detecting whether the electronic lock has a fault, recording a corresponding fault flow code when the electronic lock is determined to have the fault, and stopping the current charging flow.

The vehicle charging fault detection apparatus 500 of the present embodiment may execute any one of the vehicle charging fault detection methods provided in the embodiments of the present application, and the implementation principles thereof are similar, and details not shown in the present embodiment may refer to the foregoing method embodiments, and are not described herein again.

Based on the same inventive concept, the embodiment of the application provides a device for detecting a vehicle charging fault, which comprises: the storage and the processor are electrically connected.

The memory stores a computer program executed by the processor to implement any one of the vehicle charging failure detection methods provided by the embodiments of the present application.

It will be appreciated by those skilled in the art that the vehicle charging fault detection device provided in the embodiments of the present application may be specially designed and manufactured for the required purposes, or may comprise a known device in a general-purpose computer. These devices have stored therein computer programs that are selectively activated or reconfigured. Such a computer program may be stored in a device (e.g., computer) readable medium or in any type of medium suitable for storing electronic instructions and respectively coupled to a bus.

In an alternative embodiment, the present application provides a vehicle charging failure detection apparatus, as shown in fig. 6, the detection apparatus 600 includes: the memory 601 and the processor 602 are electrically connected, such as by a bus 603.

Optionally, the memory 601 is used for storing application program codes for executing the scheme of the present application, and the processor 602 controls the execution. The processor 602 is configured to execute the application program code stored in the memory 601 to implement any one of the methods for detecting a charging fault of a vehicle provided in the embodiments of the present application.

The Memory 601 may be a ROM (Read-Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read-Only Memory) or other optical disk storage, optical disk storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these.

The Processor 602 may be a CPU (Central Processing Unit), a general-purpose Processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or other Programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 602 may also be a combination of computing functions, e.g., comprising one or more microprocessors, a combination of a DSP and a microprocessor, or the like.

Bus 603 may include a path that transfers information between the above components. The bus may be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.

Optionally, the vehicle charging failure detection apparatus 600 may further include a transceiver 604. The transceiver 604 may be used for reception and transmission of signals. The transceiver 604 may allow the electronic device 600 to communicate wirelessly or wiredly with other devices to exchange data. It should be noted that the transceiver 604 is not limited to one in practical applications.

Optionally, the detection apparatus 600 of the vehicle charging failure may further include an input unit 605. The input unit 605 may be used to receive input numeric, character, image, and/or sound information or to generate key signal inputs related to user settings and function control of the electronic apparatus 600. The input unit 605 may include, but is not limited to, one or more of a touch screen, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, a camera, a microphone, and the like.

Optionally, the detection apparatus 600 for vehicle charging failure may further include an output unit 606. The output unit 606 may be used to output or present information processed by the processor 602. The output unit 606 may include, but is not limited to, one or more of a display device, a speaker, a vibration device, and the like.

While fig. 6 illustrates a vehicle charging failure detection apparatus 600 having various devices, it is to be understood that not all of the illustrated devices are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.

Based on the same inventive concept, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program implements any one of the methods for detecting a charging fault of a vehicle provided by embodiments of the present application.

The computer readable medium includes, but is not limited to, any type of disk including floppy disks, hard disks, optical disks, CD-ROMs, and magneto-optical disks, ROMs, RAMs, EPROMs (Erasable Programmable Read-Only Memory), EEPROMs, flash Memory, magnetic cards, or fiber optic cards. That is, a readable medium includes any medium that stores or transmits information in a form readable by a device (e.g., a computer).

The embodiment of the present application provides a computer-readable storage medium suitable for any one of the above methods for detecting a charging fault of a vehicle, which is not described herein again.

By applying the embodiment of the application, at least the following beneficial effects can be realized:

1) the embodiment of the application can detect and analyze the preset fault flow code, and the analyzed charging fault information or charging flow information is displayed to a user through the vehicle-mounted display terminal or the mobile terminal, so that the user can know the current flow state in time or can determine the reason of failure when the charging fails, and the user can conveniently investigate the charging problem; in addition, the user can check the charging fault information or the charging process information through the vehicle-mounted display terminal or the mobile terminal, and the checking convenience of the user is improved.

2) According to the embodiment of the application, corresponding fault flow codes can be preset according to various fault conditions in the initial charging starting process and the initial charging process, the fault flow codes are associated with corresponding faults, and a data basis for detection and analysis is provided for the subsequent charging process.

Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.

In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.