CN110371022B - Battery matching method and device and vehicle-mounted equipment - Google Patents

Battery matching method and device and vehicle-mounted equipment Download PDF

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Publication number
CN110371022B
CN110371022B CN201910537896.XA CN201910537896A CN110371022B CN 110371022 B CN110371022 B CN 110371022B CN 201910537896 A CN201910537896 A CN 201910537896A CN 110371022 B CN110371022 B CN 110371022B
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battery
management ecu
vehicle
battery management
command
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CN110371022A (en
Inventor
刘均
程驰
刘国柱
詹伟
裴慧
庄文龙
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Shenzhen Launch Technology Co Ltd
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Shenzhen Launch Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles

Abstract

The application belongs to the technical field of electronics, and provides a battery matching method and device and vehicle-mounted equipment. The method comprises the following steps: acquiring a vehicle identification code of the vehicle; acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code; prompting a user to replace the battery according to the battery replacement mode information; and when a command of successful replacement of the new battery is received, erasing the parameter information of the old battery in the battery management ECU, and writing the parameter information of the new battery into the battery management ECU. The battery can be replaced according to the battery replacement mode information, the parameter information of the old battery in the battery management ECU can be erased, and the parameter information of the new battery is written into the battery management ECU, so that the user can replace the battery according to the prompt and automatically carry out matching reset on the parameter of the new battery, and the efficiency of vehicle battery replacement and battery matching is improved.

Description

Battery matching method and device and vehicle-mounted equipment
Technical Field
The application belongs to the technical field of electronics, and particularly relates to a battery matching method and device and vehicle-mounted equipment.
Background
At present, a storage battery on a vehicle can not be used forever, and when the storage battery of the vehicle is used to a certain extent, the storage battery needs to be replaced.
However, the number of vehicle types on the market is too many at present, the battery replacement process of each vehicle type is different, and after the storage battery is replaced, the storage battery must be matched and reset, otherwise the normal use of the vehicle is influenced, a plurality of devices are needed, and the trouble is caused, so that the efficiency of matching the replaced battery in the vehicle is low.
Disclosure of Invention
In view of this, the embodiment of the application provides a battery matching method, a device and an on-board device, and aims to solve the problem that the efficiency of replacing and matching a battery of a vehicle is low.
The embodiment of the application provides a battery matching method in a first aspect, which is applied to vehicle-mounted equipment, and the battery matching method comprises the following steps:
acquiring a vehicle identification code of the vehicle;
acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code;
prompting a user to replace the battery according to the battery replacement mode information;
and when a command of successful replacement of the new battery is received, erasing the parameter information of the old battery in the battery management ECU, and writing the parameter information of the new battery into the battery management ECU.
In one embodiment, the vehicle-mounted device comprises a voice playing module;
prompting a user to replace the battery according to the battery replacement mode information, comprising:
and prompting a user to replace the battery according to the battery replacement mode information through the voice playing module.
In one embodiment, the battery matching method further comprises:
when an instruction of successful replacement of a new battery is received, acquiring a voltage value of the new battery;
judging whether the voltage value is lower than a preset minimum voltage value or not;
and if the voltage value is lower than a preset minimum voltage value, prompting the user to charge the new battery.
In one embodiment, after erasing parameter information of an old battery in the battery management ECU and writing parameter information of a new battery in the battery management ECU when receiving an instruction that replacement of a new battery is successful, the method includes:
and when receiving a parameter writing abnormal command returned by the battery management ECU, rewriting the parameter information of the new battery into the battery management ECU.
In one embodiment, after erasing parameter information of an old battery in the battery management ECU and writing parameter information of a new battery in the battery management ECU when receiving an instruction that replacement of a new battery is successful, the method includes:
sending a first command for acquiring a fault code to the battery management ECU;
if a fault code returned by the battery management ECU based on the first command is received, sending a fault code clearing command to the battery management ECU;
after sending a fault code clearing command to the battery management ECU, sending a second command for acquiring a fault code to the battery management ECU;
and if the fault code returned by the battery management ECU based on the second command is not received within the preset time, prompting the user that the new battery is successfully matched.
In one embodiment, the battery matching method further comprises:
when a command of successfully replacing a new battery is received, acquiring the state of an ignition switch of the vehicle;
and when the ignition switch is in the off state, prompting the user to turn on the ignition switch to enable the ignition switch to be in the on state.
In one embodiment, obtaining the vehicle identification code of the vehicle comprises:
sequentially sending vehicle identification code acquisition commands to the vehicles according to N pre-stored diagnostic protocols corresponding to N vehicle types;
when a vehicle identification code returned based on a Kth diagnosis protocol is received, determining the diagnosis protocol used by the vehicle as the Kth diagnosis protocol;
wherein N is more than or equal to K is more than or equal to 1, and N and K are integers.
In one embodiment, erasing parameter information of an old battery in the battery management ECU when receiving a command of successful replacement of a new battery, and writing the parameter information of the new battery in the battery management ECU comprises:
establishing communication connection between the vehicle-mounted equipment and a battery management ECU (electronic control unit) according to diagnostic information of the battery management ECU of the vehicle;
sending an activation command to the battery management ECU.
A second aspect of the embodiments of the present application provides a battery matching device, integrated in an on-vehicle device, the battery matching device includes:
the first acquisition module is used for acquiring a vehicle identification code of the vehicle;
the second acquisition module is used for acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code;
the first prompting module is used for prompting a user to replace the battery according to the battery replacement mode information;
and the writing module is used for erasing the parameter information of the old battery in the battery management ECU and writing the parameter information of the new battery into the battery management ECU when receiving a command of successful replacement of the new battery.
In one embodiment, the vehicle-mounted device comprises a voice playing module;
the first prompt module is specifically configured to:
and prompting a user to replace the battery according to the battery replacement mode information through the voice playing module.
In one embodiment, the battery matching apparatus further comprises:
the third acquisition module is used for acquiring the voltage value of the new battery when receiving a command of successful replacement of the new battery;
the judging module is used for judging whether the voltage value is lower than a preset minimum voltage value or not;
and the second prompting module is used for prompting the user to charge the new battery if the voltage value is lower than a preset minimum voltage value.
In one embodiment, the battery matching apparatus further comprises:
and the rewriting module is used for rewriting the parameter information of the new battery into the battery management ECU when receiving a parameter writing abnormal command returned by the battery management ECU.
In one embodiment, the battery matching apparatus further comprises:
the first sending module is used for sending a first command for acquiring a fault code to the battery management ECU;
the second sending module is used for sending a fault code clearing command to the battery management ECU if a fault code returned by the battery management ECU based on the first command is received;
the third sending module is used for sending a second command for acquiring the fault code to the battery management ECU after sending the command for clearing the fault code to the battery management ECU;
and the third prompting module is used for prompting the user that the new battery is successfully matched if the fault code returned by the battery management ECU based on the second command is not received within the preset time.
In one embodiment, the battery matching apparatus further comprises:
the fourth acquisition module is used for acquiring the state of an ignition switch of the vehicle when receiving a command of successful replacement of a new battery;
and the fourth prompting module is used for prompting the user to turn on the ignition switch when the ignition switch is in the off state, so that the ignition switch is in the on state.
In one embodiment, the first obtaining module comprises:
the first sending unit is used for sequentially sending vehicle identification code acquisition commands to the vehicles according to N pre-stored diagnostic protocols corresponding to N vehicle types;
the first determination unit is used for determining the diagnosis protocol used by the vehicle as the Kth diagnosis protocol when receiving the vehicle identification code returned based on the Kth diagnosis protocol; wherein N is more than or equal to K is more than or equal to 1, and N and K are integers.
In one embodiment, the battery matching apparatus further comprises:
the establishing module is used for establishing communication connection between the vehicle-mounted equipment and the battery management ECU according to the diagnostic information of the battery management ECU of the vehicle;
and the fourth sending module is used for sending an activation command to the battery management ECU.
A third aspect of the embodiments of the present application provides an in-vehicle device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method when executing the computer program.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium, in which a computer program is stored, which, when executed by a processor, implements the steps of the above-mentioned method.
In the embodiment of the application, a vehicle identification code of the vehicle is obtained; acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code; prompting a user to replace the battery according to the battery replacement mode information; and when a command of successful replacement of the new battery is received, erasing the parameter information of the old battery in the battery management ECU, and writing the parameter information of the new battery into the battery management ECU. The battery can be replaced according to the battery replacement mode information, the parameter information of the old battery in the battery management ECU can be erased, and the parameter information of the new battery is written into the battery management ECU, so that the user can replace the battery according to the prompt and automatically carry out matching reset on the parameter of the new battery, and the efficiency of vehicle battery replacement and battery matching is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without any creative effort.
Fig. 1 is a schematic flowchart of a battery matching method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a battery matching method according to a second embodiment of the present application;
fig. 3 is a schematic flowchart of a battery matching method according to a third embodiment of the present application;
fig. 4 is a schematic structural diagram of a battery matching device provided in the fifth embodiment of the present application;
fig. 5 is a schematic structural diagram of an on-board device provided in a sixth embodiment of the present application.
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 present application. However, it will be apparent to one skilled in the art that the present application 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 application with unnecessary detail.
The battery matching method provided by the embodiment of the application is applied to the vehicle-mounted device, the vehicle-mounted device can be an On-Board Diagnostic (OBD) device, an OBD system is widely used in modern automobiles, the OBD device is a vehicle external device capable of reading data of an automobile internal system through a special interface and a Diagnostic protocol of the OBD system in the automobile, and in order to explain the technical scheme of the invention, the following description is given through a specific embodiment. It should be understood that the sequence numbers of the steps in the method embodiments described below do not mean the execution sequence, and the execution sequence of each process should be determined by the function and the inherent logic of the process, and should not constitute any limitation on the implementation process of each embodiment.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Example one
The embodiment of the application provides a battery matching method, which is applied to vehicle-mounted equipment and can be used for directly inserting the vehicle-mounted equipment on an interface of a vehicle to connect the vehicle-mounted equipment with the vehicle. For example, the on-board device may be an OBD device, and the OBD device is connected to an OBD interface of the vehicle, where the OBD interface may be an interface externally provided by an OBD system in the vehicle, and the OBD device is connected to the OBD interface of the vehicle. As shown in fig. 1, the battery matching method includes:
and step S101, acquiring the vehicle identification code of the vehicle.
In the embodiment of the application, the vehicle identification code of the vehicle can be acquired after the vehicle-mounted device is connected with the vehicle, for example, when the vehicle-mounted device is an OBD device, the corresponding vehicle identification code can be specifically acquired from an OBD module of the vehicle; and acquiring vehicle information corresponding to the vehicle identification code. The OBD module is the OBD system in the vehicle, acquires corresponding vehicle identification code from the OBD module of vehicle. The vehicle identification code is abbreviated as vin (vehicle identification number), is unique identification information of the vehicle, and can also be called as a vehicle identification card, and contains important information of the vehicle such as country, manufacturer, engine model, vehicle type, time and year. If the vehicle identification code may be 17 bytes of vehicle identification, the VIN code is WDD2210222a253260, which indicates that the family is speed (BENZ), and the vehicle type is S350.
In one embodiment, the corresponding vehicle information is obtained according to the vehicle identification code, the diagnostic information corresponding to each Electronic Control Unit (ECU) in the vehicle is obtained according to the vehicle information, the corresponding diagnostic protocol can be obtained according to the diagnostic information of each ECU, and the corresponding information can be obtained from the corresponding ECU according to the diagnostic protocol of the ECU.
In one embodiment, obtaining the vehicle identification code of the vehicle comprises: sequentially sending vehicle identification code acquisition commands to the vehicles according to N pre-stored diagnostic protocols corresponding to N vehicle types; when a vehicle identification code returned based on a Kth diagnosis protocol is received, determining the diagnosis protocol used by the vehicle as the Kth diagnosis protocol; wherein N is more than or equal to K is more than or equal to 1, and N and K are integers. Specifically, according to N pre-stored diagnostic protocols corresponding to N vehicle types, a vehicle identification code acquisition command is sequentially sent to the OBD module of the vehicle; when a vehicle identification code returned by the OBD module based on the Kth diagnosis protocol is received, the diagnosis protocol used by the OBD module is determined to be the Kth diagnosis protocol. Because the diagnostic protocols used by the OBD modules in different types of vehicles are different, the diagnostic protocols of various pre-stored vehicle types are automatically sent to the OBD modules of the vehicles in sequence according to the pre-stored sequence after the OBD equipment is powered on, the OBD modules in the vehicles can return the vehicle identification codes of the OBD equipment when receiving the diagnostic protocol matched with the diagnostic protocol of the OBD modules, the OBD equipment can obtain the vehicle identification codes when receiving the vehicle identification codes returned based on the Kth diagnostic protocol, and the diagnostic protocol used by the OBD modules of the vehicles is determined to be the Kth diagnostic protocol.
And step S102, acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code.
In the embodiment of the application, the battery replacement mode information corresponding to different types of vehicles is stored in advance, after the vehicle identification code is obtained, the type of the vehicle is determined according to the vehicle identification code, and then the battery replacement mode information corresponding to the type of the vehicle is obtained according to the type of the vehicle.
And step S103, prompting a user to replace the battery according to the battery replacement mode information.
In the embodiment of the application, after the vehicle type is determined, the battery replacement mode information corresponding to the determined vehicle type is prompted to a user, and the user can be a vehicle owner who replaces the battery or other users who replace the battery.
In one embodiment, the vehicle-mounted device comprises a voice playing module; prompting a user to replace the battery according to the battery replacement mode information, comprising: and prompting a user to replace the battery according to the battery replacement mode information through the voice playing module. Specifically, a voice player may be provided in the OBD device, and the battery replacement mode information corresponding to the determined vehicle type may be prompted to the user in a voice playing mode.
In one embodiment, before prompting the user to replace the battery according to the battery replacement mode information, the method includes: establishing communication connection between the vehicle-mounted equipment and a battery management ECU (electronic control unit) according to diagnostic information of the battery management ECU of the vehicle; sending an activation command to the battery management ECU. Specifically, the diagnostic information of the battery management ECU corresponding to the vehicle identification code may be acquired according to the vehicle identification code, after the diagnostic information of the battery management ECU is acquired, communication connection between the vehicle-mounted device and the battery management ECU is established according to a diagnostic protocol included in the diagnostic information of the battery ECU, an activation command is sent to the battery management ECU, and after the battery management ECU is activated, current battery information may be acquired from the battery management ECU. After the current communication connection is successfully established, a fault code reading command is sent first, when the battery management ECU returns fault code data, a fault code clearing command is sent to clear a fault code in battery management, the fault code in the battery management is cleared before a battery is replaced, if the fault code is read to be 0x190208, whether the current battery management ECU has a fault code or not is read, the battery management ECU returns the fault code data, for example, 0x590208 represents no fault code, 0x590208900001 represents a fault code 9000, and the state of the fault code is 01, which represents the current fault code or historical fault code.
And step S104, when receiving a command of successful replacement of a new battery, controlling the battery management ECU to erase the parameter information of the old battery in the battery management ECU, and writing the parameter information of the new battery into the battery management ECU.
In the embodiment of the application, after the battery is replaced according to the battery replacement mode information, a user can send a command that the new battery is successfully replaced to the vehicle-mounted device, specifically, a preset key on the vehicle-mounted device can be pressed to send the command that the new battery is successfully replaced, and when the vehicle-mounted device receives the command that the new battery is successfully replaced. Sending a command for erasing the parameter information of the old battery in the battery management ECU to the battery management ECU, sending a command for writing the parameter information of the new battery into the battery management ECU to the battery management ECU after receiving the command for successfully erasing returned by the battery management ECU, and writing the parameter information of the new battery into the battery management ECU when the battery management ECU receives the command for writing the parameter information of the new battery into the battery management ECU.
In one embodiment, when receiving an instruction that replacement of a new battery is successful, controlling the battery management ECU to erase parameter information of an old battery in the battery management ECU, and writing the parameter information of the new battery into the battery management ECU includes: and when receiving an instruction that the replacement of the new battery is successful, controlling a battery management ECU of the vehicle to enter an extended mode. And in an extended mode, controlling the battery management ECU to erase the parameter information of the old battery in the battery management ECU and writing the parameter information of the new battery into the battery management ECU. Controlling a battery management ECU of the vehicle to enter an extended mode. The parameter information in the battery management ECU may be erased and rewritten in the extended mode.
In one embodiment, the battery matching method further comprises: when a command of successfully replacing a new battery is received, acquiring the state of an ignition switch of the vehicle; and when the ignition switch is in the off state, prompting the user to turn on the ignition switch to enable the ignition switch to be in the on state. After the battery is replaced by the vehicle owner, the ignition switch of the vehicle needs to be turned on. So when the ignition switch is in the off state, the user is prompted to turn on the ignition switch. The state of the ignition switch of the vehicle is acquired, and specifically, the state of the ignition switch of the vehicle can be acquired from an ignition ECU of the vehicle. Before acquiring the state of an ignition switch of the vehicle, the method comprises the following steps: establishing communication connection between the vehicle-mounted equipment and the ignition ECU according to the diagnosis information of the ignition ECU; the diagnostic information of the ignition ECU comprises a diagnostic protocol of the ignition ECU; an activation command is sent to the ignition ECU. The method comprises the steps of obtaining pre-stored diagnosis information of an ignition ECU corresponding to a vehicle identification code according to the vehicle identification code, establishing communication connection between the vehicle-mounted equipment and the ignition ECU according to a diagnosis protocol included in the diagnosis information of the ignition ECU, sending an activation command to the ignition ECU, and obtaining the state of an ignition switch of the vehicle from the ignition ECU after the ignition ECU is activated.
In one embodiment, erasing parameter information of an old battery in the battery management ECU when receiving a command of successful replacement of a new battery, and writing the parameter information of the new battery in the battery management ECU comprises: establishing communication connection between the vehicle-mounted equipment and a battery management ECU (electronic control unit) according to diagnostic information of the battery management ECU of the vehicle; sending an activation command to the battery management ECU. The diagnostic information pre-stored with the battery management ECU can be acquired according to the vehicle identification code, then the communication connection between the vehicle-mounted equipment and the battery management ECU is established according to the diagnostic protocol included in the diagnostic information of the battery management ECU, an activation command is sent to the battery management ECU, and after the battery management ECU is activated, the information can be acquired from the battery management ECU.
In one embodiment, after erasing parameter information of an old battery in the battery management ECU and writing parameter information of a new battery in the battery management ECU when receiving an instruction that replacement of a new battery is successful, the method includes: and when receiving a parameter writing abnormal command returned by the battery management ECU, rewriting the parameter information of the new battery into the battery management ECU. Specifically, after sending the command for writing the parameter information of the new battery into the battery management ECU to the battery management ECU, when the battery management ECU receives the command for writing the parameter information of the new battery into the battery management ECU, the parameter information of the new battery is written into the battery management ECU, when the writing of the parameter information of the new battery fails, the parameter writing abnormal command is returned to the battery management ECU, when the vehicle-mounted device receives the parameter writing abnormal command returned by the battery management ECU, the command for rewriting the parameter information of the new battery is sent to the battery management ECU again, and when the battery management ECU receives the command for rewriting the parameter information of the new battery into the battery management ECU, the parameter information of the new battery is rewritten into the battery management ECU.
Therefore, in the embodiment of the application, the user can be prompted to replace the battery according to the battery replacement mode information, the parameter information of the old battery in the battery management ECU can be erased, and the parameter information of the new battery is written into the battery management ECU, so that the user can replace the battery according to the prompt and automatically carry out matching and resetting on the parameter of the new battery, and the efficiency of vehicle battery replacement and battery matching is improved.
Example two
The embodiment of the present application provides a battery matching method, and the steps of the battery matching method of the present embodiment, where the same as or similar to those in the first embodiment, may specifically refer to the related description of the first embodiment, and are not described herein again, as shown in fig. 2, the battery matching method further includes:
step S201, when receiving a command of successful replacement of a new battery, acquiring a voltage value of the new battery.
In the embodiment of the present application, specifically, when a command that the battery is successfully replaced is received, the voltage value of the current new battery may be obtained, for example, a battery voltage reading command may be sent to the battery management ECU through the vehicle-mounted device, the battery management ECU reads the voltage value of the current new battery, and sends the voltage value of the current new battery to the vehicle-mounted device, so that the vehicle-mounted device may obtain the voltage value of the new battery.
Step S202, judging whether the voltage value is lower than a preset minimum voltage value.
In the embodiment of the application, the lowest voltage value is preset, and when the acquired voltage value of the new battery is lower than the preset lowest voltage value, the lowest voltage value is preset.
In a specific application, the voltage value of the new battery may be a voltage value calculated according to a preset voltage calculation algorithm from actually read data, for example, the preset voltage calculation algorithm is Y-X/255-30, where Y represents the voltage value calculated according to the voltage, and X represents the actually read data value.
Step S203, if the voltage value is lower than a preset minimum voltage value, prompting the user to charge the new battery.
In the embodiment of the application, when the voltage value of the current new battery is judged to be lower than the preset minimum voltage value, the pre-stored charging prompting information is used for prompting a user, and specifically, the user can be prompted to charge the new battery through the voice playing module.
Therefore, in the embodiment of the application, the battery can be replaced according to the prompt of the battery replacement mode information for the user, the parameter information of the old battery in the battery management ECU can be erased, the parameter information of the new battery is written into the battery management ECU, the user can replace the battery according to the prompt, the parameters of the new battery are automatically matched and reset, and the user is prompted to charge when the electric quantity of the new battery is insufficient, so that the battery replacement efficiency of the vehicle and the battery matching efficiency are improved.
EXAMPLE III
The embodiment of the present application provides a battery matching method, and reference may be specifically made to the related description of the first embodiment or the second embodiment where the steps of the battery matching method of the present embodiment are the same as or similar to those of the first embodiment or the second embodiment, and details are not repeated here, as shown in fig. 3, the step S104 further includes:
step S301, a first command to acquire a fault code is sent to the battery management ECU.
In the embodiment of the application, after the battery management ECU is controlled to erase the parameter information of the old battery in the battery management ECU and write the parameter information of the new battery in the battery management ECU, when the battery management ECU fails during battery replacement or parameter writing, a corresponding fault code is generated, so that the vehicle-mounted device sends a first command for acquiring the fault code to the battery management ECU to judge whether the fault code is included in the battery management ECU.
Step S302, if a fault code returned by the battery management ECU based on the first command is received, a fault code clearing command is sent to the battery management ECU.
In the embodiment of the application, if the battery management ECU receives the first command for acquiring the fault code, when the fault code exists in the battery management ECU, the fault code information is sent to the vehicle-mounted device based on the first command, when the vehicle-mounted device receives the fault code returned by the battery management ECU based on the first command, a fault code clearing command is sent to the battery management ECU, and when the battery management ECU receives the fault code clearing command, the historical fault code is cleared.
Step S303, after sending the command to clear the fault code to the battery management ECU, sends a second command to acquire the fault code to the battery management ECU.
In the embodiment of the application, after the command for clearing the fault codes is sent to the battery management ECU, the battery management ECU clears the corresponding historical fault codes, and then sends a second command for acquiring the fault codes to the battery management ECU. When a fault code currently exists after the new battery is successfully installed, the first sending of the fault code clearing is that the currently existing fault code cannot be cleared, so a second command for acquiring the fault code is sent to the battery management ECU.
Step S304, if a fault code returned by the battery management ECU based on the second command is not received within a preset time, the user is prompted that the new battery is successfully matched.
In the embodiment of the application, if the fault code returned by the battery management ECU based on the second command is not received within the preset time, indicating that there is no current fault code in the current new battery replacement, the user is prompted that the current new battery is successfully matched, and specifically, the user can be prompted that the current new battery is successfully matched according to the voice playing module. And if the fault code returned by the battery management ECU based on the second command is received within the preset time and indicates that the fault code exists when the new battery is replaced currently, the matching is carried out again according to the steps in the battery matching method.
As can be seen, in the embodiment of the present application, a first command to acquire a fault code is sent to the battery management ECU; if a fault code returned by the battery management ECU based on the first command is received, sending a fault code clearing command to the battery management ECU; after sending a first fault code clearing command to the battery management ECU, sending a second command for acquiring a fault code to the battery management ECU; and if the fault code returned by the battery management ECU based on the second command is not received within the preset time, prompting the user that the new battery is successfully matched. After the battery is replaced and the parameter information is written in, whether the battery is in fault or not is checked by acquiring the fault code and clearing the fault code, and therefore the efficiency of replacing the battery of the vehicle and matching the battery is further improved.
Example four
The embodiment is described in a specific application scenario, where the above-mentioned on-board device is an OBD device, the battery matching diagnosis process, the diagnosis information, the related command, and the prompt information of different vehicle types are modified and edited into an executable program through a PC terminal in advance, the executable program editing the modified battery matching diagnosis process of different vehicle types is compiled into a BIN file, and the BIN file is burned into the OBD device through a transmission line such as a USB. When a certain vehicle needs to be subjected to battery matching, an OBD device with a BIN file in advance is inserted into an OBD interface of the vehicle, and a preset START button in the OBD device is pressed to START a battery matching method, so that the corresponding battery matching method can be executed.
The specific process of executing the battery matching method may be:
firstly, the OBD device automatically sends a command of reading the vehicle identification code to the vehicle to acquire the vehicle identification code of the vehicle, judges the vehicle type information of the current vehicle according to the vehicle identification code, and finds the executable program of the vehicle in the pre-stored BIN file according to the vehicle type information to acquire the battery matching process, the diagnosis information, the related command and the prompt information of the vehicle.
The method comprises the steps of obtaining diagnosis information of an ignition ECU and a battery management ECU of a current vehicle, and establishing communication connection with the battery management ECU according to the diagnosis information. The diagnostic information includes, but is not limited to, a protocol type (for example, the protocol type may be a CAN protocol type), a communication pin, a corresponding ID, a baud rate of communication, and the like.
After the communication connection between the OBD equipment and the battery management ECU is established, an activation command is sent to the battery management ECU, after a command that the battery management ECU is successfully activated is received, a fault code reading command is sent to obtain a current fault code in the battery management ECU, and if the fault code can be obtained, a clear fault code command is sent for the first time.
After a clear fault code command is sent for the first time, a voice playing module preset in the OBD equipment prompts a user to replace the battery according to the battery replacement mode information. The method specifically comprises the steps of prompting the vehicle owner to take off the old battery, replacing the old battery and turning on an ignition switch of the vehicle after the replacement is finished through voice.
The vehicle owner successfully replaces the new battery, and after an ignition switch of the vehicle is turned on, a command of successfully replacing the new battery can be sent by pressing a preset key (such as a preset OK key) on the OBD device, when the OBD device receives the command of successfully replacing the new battery, the communication connection between the vehicle-mounted device and the ignition ECU is established according to the diagnosis information of the current vehicle ignition ECU, the on-off state of the current ignition ECU is obtained, whether the ignition ECU is in the on state or not is judged, if the ignition ECU is not in the on state, a vehicle owner is prompted to turn on the ignition switch of the vehicle through voice, if the ignition switch of the current vehicle is in the on state, the communication connection between the OBD device and the current battery management ECU of the vehicle is reestablished, and because data erasing and writing can be carried out on related parameters in the battery management ECU in an extension mode, a command of enabling the battery management ECU to enter the extension mode is sent to the battery management, to control the battery management ECU of the present vehicle to enter the extended mode.
When a command that the battery is replaced successfully is received, a battery voltage reading command can be sent to the battery management ECU through the OBD device, the battery management ECU reads a voltage value of a current new battery, the voltage value of the current new battery is sent to the OBD device, and therefore the OBD device can obtain the voltage value of the new battery. Presetting a minimum voltage value, judging whether the acquired voltage value of the new battery is lower than a preset minimum voltage value, and prompting the user to charge the new battery if the acquired voltage value is lower than the preset minimum voltage value. If the voltage value of the new battery is less than 11V when the lowest voltage value is preset to be 11V, prompting a user to charge the new battery.
When the voltage of a new battery is greater than or equal to a preset minimum voltage value, controlling the battery management ECU to erase the parameter information of an old battery in the battery management ECU, writing the parameter information of the new battery into the battery management ECU, if a command of erasing the parameter information of the old battery in the battery management ECU is sent to the battery management ECU, after the command of successfully erasing is returned by the battery management ECU, sending a command of writing the parameter information of the new battery into the battery management ECU to the battery management ECU, and when the battery management ECU receives the command of writing the parameter information of the new battery into the battery management ECU, writing the parameter information of the new battery into the battery management ECU.
When the parameter information of the new battery is successfully stored in the battery management ECU, the battery management ECU returns a command for correctly storing the parameter information to the OBD device, when the OBD device receives the command for correctly storing, the OBD device sends a command for obtaining a fault code in the battery management ECU again, the fault code can be obtained in this way, a fault code clear command is sent for the second time, the battery management ECU clears the corresponding historical fault code, and if the fault code cannot be obtained after the corresponding historical fault code is cleared in advance, the current fault code does not exist in the current new battery replacement, the user is prompted that the current new battery is successfully matched; if the fault code is obtained again after the corresponding historical fault code is pre-cleared, and if the fault code can also be obtained, which indicates that the fault code exists when the current new battery is replaced, the matching is carried out again according to the steps in the battery matching method.
Therefore, in the embodiment of the application, the vehicle owner can be prompted how to replace the battery, the parameter information of the old battery in the battery management ECU can be erased, the parameter information of the new battery is written into the battery management ECU, the vehicle owner can replace the battery according to the prompt, the parameter of the new battery is automatically matched and reset, the user is prompted to charge when the electric quantity of the new battery is insufficient, and therefore the efficiency of matching the battery and the battery of the vehicle is improved.
EXAMPLE five
The embodiment of the present application provides a battery matching apparatus, which may be integrated in an on-board device, and when the on-board device may be an OBD device, the OBD device is connected to an OBD interface of the vehicle, and is used to execute the method steps in the first embodiment, the second embodiment, the third embodiment, and the fourth embodiment, which are only shown in relevant parts of the present invention for convenience of description, as shown in fig. 4, the battery matching apparatus 400 includes:
a first obtaining module 401, configured to obtain a vehicle identification code of the vehicle;
in one embodiment, the first obtaining module comprises:
the first sending unit is used for sequentially sending vehicle identification code acquisition commands to the vehicles according to N pre-stored diagnostic protocols corresponding to N vehicle types;
the first determination unit is used for determining the diagnosis protocol used by the vehicle as the Kth diagnosis protocol when receiving the vehicle identification code returned based on the Kth diagnosis protocol; wherein N is more than or equal to K is more than or equal to 1, and N and K are integers.
A second obtaining module 402, configured to obtain pre-stored battery replacement mode information corresponding to the vehicle identification code;
a first prompting module 403, configured to prompt a user to replace a battery according to the battery replacement mode information;
in one embodiment, the vehicle-mounted device comprises a voice playing module;
the first prompt module is specifically configured to:
and prompting a user to replace the battery according to the battery replacement mode information through the voice playing module.
A writing module 404, configured to erase parameter information of an old battery in the battery management ECU and write parameter information of a new battery in the battery management ECU when a command for successfully replacing a new battery is received.
In one embodiment, the battery matching apparatus further comprises:
a third obtaining module 405, configured to obtain a voltage value of a new battery when receiving a command that a new battery is successfully replaced;
a determining module 406, configured to determine whether the voltage value is lower than a preset minimum voltage value;
the second prompting module 407 is configured to prompt the user to charge the new battery if the voltage value is lower than a preset minimum voltage value.
In one embodiment, the battery matching apparatus 400 further includes:
and a rewriting module 408, configured to rewrite the parameter information of the new battery into the battery management ECU when receiving the parameter writing abnormal command returned by the battery management ECU.
In one embodiment, the battery matching apparatus 400 further includes:
a first sending module 409, configured to send a first command to the battery management ECU to obtain a fault code;
a second sending module 410, configured to send a fault code clearing command to the battery management ECU if a fault code returned by the battery management ECU based on the first command is received;
a third sending module 411, configured to send a fault code clearing command to the battery management ECU, and then send a second command for acquiring a fault code to the battery management ECU;
a third prompting module 412, configured to prompt the user that the new battery is successfully matched if a fault code returned by the battery management ECU based on the second command is not received within a preset time.
In one embodiment, the battery matching apparatus 400 further includes:
a fourth obtaining module 413, configured to obtain an ignition switch state of the vehicle when receiving a command that a new battery is successfully replaced;
and a fourth prompting module 414, configured to prompt the user to turn on the ignition switch when the ignition switch is in an off state, so that the ignition switch is in an on state.
In one embodiment, the battery matching apparatus further comprises:
an establishing module 415, configured to establish a communication connection between the vehicle-mounted device and a battery management ECU of the vehicle according to diagnostic information of the battery management ECU;
a fourth sending module 416, configured to send an activation command to the battery management ECU.
Therefore, in the embodiment of the application, the user can be prompted to replace the battery according to the battery replacement mode information, the parameter information of the old battery in the battery management ECU can be erased, and the parameter information of the new battery is written into the battery management ECU, so that the user can replace the battery according to the prompt and automatically carry out matching and resetting on the parameter of the new battery, and the efficiency of vehicle battery replacement and battery matching is improved.
EXAMPLE six
Fig. 5 is a schematic structural diagram of an in-vehicle device according to an embodiment of the present invention. The in-vehicle apparatus 500 includes: a processor 501, a memory 502 and a computer program 503 stored in the memory 502 and executable on the processor 501. The processor 501 executes the computer program 503 to implement the steps of the battery matching method embodiments, such as the method steps of the first embodiment, the method steps of the second embodiment, the method steps of the third embodiment, and/or the method steps of the fourth embodiment.
Illustratively, the computer program 503 may be divided into one or more units/modules, which are stored in the memory 502 and executed by the processor 501 to implement the present invention. The one or more units/modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 503 in the vehicle-mounted device 500. For example, the computer program 503 may be divided into a first obtaining module, a second obtaining module, a first prompting module, a writing module, a third obtaining module, a second prompting module, a rewriting module, a first sending module, a second sending module, a third prompting module, a fourth obtaining module, a fourth prompting module, a building module, a fourth sending module, and the like, where specific functions of the modules are described in the fourth embodiment, and are not described herein again.
The vehicle-mounted device 500 may include, but is not limited to, a processor 501 and a memory 502. Those skilled in the art will appreciate that fig. 5 is merely an example of the in-vehicle device 500, and does not constitute a limitation on the in-vehicle device 500, and may include more or less components than those shown, or combine some components, or different components, for example, the in-vehicle device 500 may further include an input-output device, a network access device, a bus, etc.
The Processor 501 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 storage 502 may be an internal storage unit of the in-vehicle device 500, such as a hard disk or a memory of the in-vehicle device 500. The memory 502 may be an external storage device of the in-vehicle device 500, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like provided in the in-vehicle device 500. Further, the memory 502 may include both an internal storage unit and an external storage device of the in-vehicle device 500. The memory 502 is used to store the computer program and other programs and data required by the in-vehicle apparatus 500. The memory 502 described above 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 functions may be distributed as different functional units and modules according to needs, that is, the internal structure of the apparatus may be divided into different functional units or modules to implement 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 vehicle-mounted device may refer to 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 and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the above-described modules or units is only one type of division of logical functions, 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 of the present invention.
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 unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. 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 can implement the steps of the embodiments of the method when the computer program is executed by a processor. The computer program includes computer program code, and the computer program code may be in a source code form, an object code form, an executable file or some intermediate form. The computer readable medium may include: any entity or device capable of carrying the above-mentioned 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 signal, telecommunication signal, software distribution medium, etc. It should be noted that the computer readable medium described above may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media excludes electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will 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 (9)

1. A battery matching method is applied to vehicle-mounted equipment, and is characterized by comprising the following steps:
acquiring a vehicle identification code of a vehicle;
acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code;
prompting a user to replace the battery according to the battery replacement mode information;
when an instruction of successful replacement of a new battery is received, erasing parameter information of an old battery in a battery management ECU, and writing the parameter information of the new battery into the battery management ECU;
sending a first command for acquiring a fault code to the battery management ECU;
if a fault code returned by the battery management ECU based on the first command is received, sending a fault code clearing command to the battery management ECU;
after sending a fault code clearing command to the battery management ECU, sending a second command for acquiring a fault code to the battery management ECU;
and if the fault code returned by the battery management ECU based on the second command is not received within the preset time, prompting the user that the new battery is successfully matched.
2. The battery matching method according to claim 1, wherein the in-vehicle device includes a voice playing module;
prompting a user to replace the battery according to the battery replacement mode information, comprising:
and prompting a user to replace the battery according to the battery replacement mode information through the voice playing module.
3. The battery matching method according to claim 1, further comprising:
when an instruction of successful replacement of a new battery is received, acquiring a voltage value of the new battery;
judging whether the voltage value is lower than a preset minimum voltage value or not;
and if the voltage value is lower than a preset minimum voltage value, prompting the user to charge the new battery.
4. The battery matching method according to claim 1, wherein after erasing parameter information of an old battery in the battery management ECU and writing parameter information of a new battery in the battery management ECU upon receiving an instruction that replacement of the new battery is successful, the method comprises:
and when receiving a parameter writing abnormal command returned by the battery management ECU, rewriting the parameter information of the new battery into the battery management ECU.
5. The battery matching method according to claim 1, further comprising:
when a command of successfully replacing a new battery is received, acquiring the state of an ignition switch of the vehicle;
and when the ignition switch is in the off state, prompting the user to turn on the ignition switch to enable the ignition switch to be in the on state.
6. The battery matching method of claim 1, wherein obtaining a vehicle identification code of the vehicle comprises:
sequentially sending vehicle identification code acquisition commands to the vehicles according to N pre-stored diagnostic protocols corresponding to N vehicle types;
when a vehicle identification code returned based on a Kth diagnosis protocol is received, determining the diagnosis protocol used by the vehicle as the Kth diagnosis protocol;
wherein N is more than or equal to K is more than or equal to 1, and N and K are integers.
7. The battery matching method according to any one of claims 1 to 6, wherein erasing parameter information of an old battery in the battery management ECU when receiving an instruction that replacement of a new battery is successful, and writing the parameter information of the new battery in the battery management ECU comprises:
establishing communication connection between the vehicle-mounted equipment and a battery management ECU (electronic control unit) according to diagnostic information of the battery management ECU of the vehicle;
sending an activation command to the battery management ECU.
8. A battery matching apparatus integrated in an in-vehicle device, the battery matching apparatus comprising:
the first acquisition module is used for acquiring a vehicle identification code of a vehicle;
the second acquisition module is used for acquiring pre-stored battery replacement mode information corresponding to the vehicle identification code;
the first prompting module is used for prompting a user to replace the battery according to the battery replacement mode information;
the writing module is used for erasing the parameter information of the old battery in the battery management ECU and writing the parameter information of the new battery into the battery management ECU when receiving a command of successful replacement of the new battery;
the first sending module is used for sending a first command for acquiring a fault code to the battery management ECU;
the second sending module is used for sending a fault code clearing command to the battery management ECU if a fault code returned by the battery management ECU based on the first command is received;
the third sending module is used for sending a second command for acquiring the fault code to the battery management ECU after sending the command for clearing the fault code to the battery management ECU;
and the third prompting module is used for prompting the user that the new battery is successfully matched if the fault code returned by the battery management ECU based on the second command is not received within the preset time.
9. An in-vehicle device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method according to any one of claims 1 to 7 when executing the computer program.
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CN111428892B (en) * 2020-03-24 2024-01-02 深圳市易孔立出软件开发有限公司 Vehicle control unit replacement method and system, electronic equipment and storage medium
CN111751728A (en) * 2020-07-01 2020-10-09 深圳市道通科技股份有限公司 Method and device for assisting in replacing automobile battery and battery detection equipment
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