CN108279919B - Remote program upgrading method for new energy electric vehicle - Google Patents
Remote program upgrading method for new energy electric vehicle Download PDFInfo
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- CN108279919B CN108279919B CN201810057474.8A CN201810057474A CN108279919B CN 108279919 B CN108279919 B CN 108279919B CN 201810057474 A CN201810057474 A CN 201810057474A CN 108279919 B CN108279919 B CN 108279919B
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- tbox
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
Abstract
The invention discloses a remote program upgrading method for a new energy electric automobile, which comprises the following steps: the method comprises the following steps: the cloud end issues an upgrade package to the TBOX; step two: when the upgrade package is transmitted, the upgrade package is stored in the TBOX local; step three: and when the vehicle is powered off and in a parking mode, starting program upgrading. According to the design scheme, on a new energy electric vehicle platform, based on an internet of things system, an upgrading program package is issued by using a network cloud platform, a vehicle-mounted intelligent data Terminal (TBOX) serves as a remote program upgrading data receiving medium, the data package which is received after being connected is firstly stored to the TBOX local, and the upgrading data package is pushed to a VCU and a BMS. The invention utilizes the method of remote program upgrading, can upgrade the software program of the controller fast, high-efficiently, in batches; and is beneficial to the management and monitoring of the software version of the whole vehicle controller by manufacturers.
Description
Technical Field
The invention relates to a remote program upgrading method for a new energy electric vehicle.
Background
With the development of new energy electric vehicles, the technology of the car networking is gradually integrated into the design and development of electric vehicles, the car networking becomes the trend of the future development of the car technology, the car networking collects and shares the information of the cars through the 2G/3G/4G mobile internet, and the communication between the cars and roads, between the cars and car owners, between the car owners and car owners, and between the car owners and third-party service providers is realized through the information processing, so that the life of the cars is more intelligent, the traffic efficiency can be obviously improved, and traffic accidents are reduced.
On the basis of the car networking technology, it is possible to develop new remote related functions, and in a common car, a Vehicle Control Unit (VCU), a Battery Management System (BMS) and a Motor Controller (MCU) need to arrange after-sales personnel to perform program upgrading on site after the whole car leaves a factory, which is time-consuming and labor-consuming.
According to the design scheme, a vehicle-mounted intelligent data Terminal (TBOX) is used as a platform, an upgrading program package is issued by a network cloud platform, the data package received by connection is firstly stored locally in the TBOX, and the upgrading data package is pushed to a VCU and a BMS when appropriate. Through the mode of remote program upgrading, the workload of after-sale maintenance personnel can be greatly reduced, the program upgrading is not required to be carried out on site, and an enterprise can conveniently manage and monitor the whole operation vehicle program.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a remote program upgrading method for a new energy electric vehicle, which can greatly reduce the workload of after-sale maintenance personnel in a remote program upgrading mode, does not need to carry out program upgrading on site, and is convenient for enterprises to manage and monitor the whole operating vehicle program.
The purpose of the invention is realized by the following technical scheme: a remote program upgrading method for a new energy electric vehicle comprises the following steps:
the method comprises the following steps: the cloud end issues an upgrade package to the TBOX;
step two: when the upgrade package is transmitted, the upgrade package is stored in the TBOX local;
step three: and when the vehicle is powered off and in a parking mode, starting program upgrading.
As an optimal mode, the cloud sends the upgrade package to the TBOX, the running state of the whole vehicle is not affected, the upgrade package can be completed in the vehicle running state, and the upgrade package can also be completed in the parking mode.
Preferably, if an abnormal power failure or a network failure occurs during the issuing process of the upgrade package, after the failure is eliminated, the upgrade package continues to be transmitted next to the previous breakpoint.
Preferably, if TBOX has an upgrade package, it will actively send an upgrade request to VCU, and VCU will detect the target controller that needs program upgrade.
Preferably, the target controller comprises a VCU and/or a BMS and/or an MCU.
As a preferred mode, after the VCU detects that there is an upgrade package corresponding to the target controller, the identity validity of the TBOX is checked, and after the check is successful, the upgrade package is downloaded.
As a preferred mode, if the target controller needing to be upgraded is a VCU, the upgrade package is locally stored in the VCU, the integrity of the upgrade package is verified after the upgrade package is received, and after the upgrade package passes the verification, the overlay upgrade is started;
if the target controller needing upgrading is a BMS or an MCU, the VCU transmits the received data to the BMS or the MCU, the BMS or the MCU is locally stored firstly, then the integrity of the upgrading packet is verified, and after the upgrading is passed, the upgrading is started to be covered.
As a preferred mode, the upgrade package is automatically deleted after the upgrade is successful.
Preferably, the verification process is as follows:
TBOX sends an identity validity request to VCU;
the VCU replies a handshake random code;
TBOX generates a check code according to the random code;
the VCU returns the verification result.
As a preferred mode, the present invention further includes an upgrade process abnormal situation handling method, where the abnormal situation handling method includes the following contents:
in the process that the VCU transmits the received data to the BMS or the MCU or the upgrade package is stored in the local VCU, the data package is transmitted for 15min, and the package is retransmitted after abnormal power-off or network failure power-on next time;
in the process of performing coverage upgrading on the BMS or MCU upgrading packet, the next time of power-on is performed after abnormal power failure, and the coverage upgrading is performed again;
If abnormal power failure or network failure occurs in the process of sending down the upgrade package, after the failure is eliminated, the upgrade package can continue to be transmitted along with the previous breakpoint.
The invention has the beneficial effects that:
according to the design scheme, on a new energy electric vehicle platform, based on an internet of things system, an upgrading program package is issued by using a network cloud platform, a vehicle-mounted intelligent data Terminal (TBOX) serves as a remote program upgrading data receiving medium, the data package which is received after being connected is firstly stored to the TBOX local, and the upgrading data package is pushed to a VCU and a BMS. The invention utilizes the method of remote program upgrading, can upgrade the software program of the controller fast, high-efficiently, in batches; and is beneficial to the management and monitoring of the software version of the whole vehicle controller by manufacturers.
Drawings
FIG. 1 is a flow chart of remote program upgrade;
fig. 2 is an upgrade package download verification process.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
The prior art mainly has the following disadvantages:
1) at present, main controllers of the whole vehicle, such as a VCU (virtual vehicle Unit), a BMS (battery management unit) and an MCU (microprogrammed control Unit) can only be upgraded through near ends of after-sales personnel, and time and labor are wasted.
2) After the program is upgraded, the software version of the controller cannot be queried in real time, which is not beneficial to software management.
As shown in fig. 1, a remote procedure upgrading method for a new energy electric vehicle includes procedure upgrading of a Vehicle Control Unit (VCU) and procedure upgrading of a Battery Management System (BMS)
It comprises the following steps:
the method comprises the following steps: the cloud end issues an upgrade package to the TBOX;
step two: when the upgrade package is transmitted, the upgrade package is stored in the TBOX local;
step three: and when the vehicle is powered off and in a parking mode, starting program upgrading.
In a preferred embodiment, in the process of issuing the upgrade package to the TBOX by the cloud, the running state of the whole vehicle is not affected, and the upgrade process can be completed in the vehicle running state.
In a preferred embodiment, if an abnormal power failure or network failure occurs during the down-sending of the upgrade package, the upgrade package continues to be transmitted following the previous breakpoint after the failure is removed.
In a preferred embodiment, if TBOX has an upgrade package, it will actively send an upgrade request to the VCU, which will detect the target controller that needs the program upgrade.
In a preferred embodiment, the target controller comprises a VCU and/or a BMS and/or an MCU.
In a preferred embodiment, after the VCU detects that there is an upgrade package corresponding to the target controller, the identity validity of the TBOX is checked, after the check is successful, the upgrade package is downloaded, and the security of the upgrade process is ensured through the identity validity check.
In a preferred embodiment, if the target controller needing to be upgraded is a VCU, the upgrade package is locally stored in the VCU, the integrity of the upgrade package is verified after the upgrade package is received, and the overlay upgrade is started after the upgrade package is passed;
if the target controller needing upgrading is a BMS or an MCU, the VCU transmits the received data to the BMS or the MCU, the BMS or the MCU is locally stored firstly, then the integrity of the upgrading packet is verified, and after the upgrading is passed, the upgrading is started to be covered. And the whole vehicle sleeps after the upgrading or flashing program is covered.
In a preferred embodiment, the upgrade package is automatically deleted after the upgrade is successful.
In a preferred embodiment, the process of verification is as follows:
TBOX sends an identity validity request to VCU;
the VCU replies a handshake random code;
TBOX generates a check code according to the random code;
the VCU returns the result of the check,
the upgrade package download verification process shown in fig. 2 includes verification and download processes, such as:
requesting file data if the verification is successful;
TBOX transmits data to VCU;
and the VCU sends an ending instruction after receiving is finished.
In a preferred embodiment, the present invention further includes an upgrade process exception handling method, where the exception handling method includes the following steps:
in the process that the VCU transmits the received data to the BMS or the MCU or the upgrade package is stored in the local VCU, the data package is transmitted for 15min, and the package is retransmitted after abnormal power-off or network failure power-on next time;
in the process of performing coverage upgrading on the BMS or MCU upgrading packet, the next time of power-on is performed after abnormal power failure, and the coverage upgrading is performed again;
if abnormal power failure or network failure occurs in the process of sending down the upgrade package, after the failure is eliminated, the upgrade package can continue to be transmitted along with the previous breakpoint.
According to the design scheme, on a new energy electric vehicle platform, based on an internet of things system, an upgrading program package is issued by using a network cloud platform, a vehicle-mounted intelligent data Terminal (TBOX) serves as a remote program upgrading data receiving medium, the data package received by connection is firstly stored to the TBOX local, and the upgrading data package is pushed to a VCU and a BMS when appropriate.
The key points and the protection points of the invention comprise:
1) remote upgrading process;
2) a remote upgrading process abnormal condition processing method;
3) And (5) an upgrade package downloading verification process.
The invention has at least the following advantages:
1) by using the remote program upgrading method, the software programs of the controllers can be updated rapidly and efficiently in batches;
2) and is beneficial to the management and monitoring of the software version of the whole vehicle controller by manufacturers.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A remote program upgrading method for a new energy electric vehicle is characterized by comprising the following steps:
the method comprises the following steps: the cloud end issues an upgrade package to the TBOX; in the process of issuing the upgrade package to the TBOX by the cloud, the running state of the whole vehicle is not influenced;
step two: when the upgrade package is transmitted, the upgrade package is stored in the TBOX local;
step three: when the vehicle is powered off and in a parking mode, starting program upgrading;
if the TBOX has an upgrade package, actively sending an upgrade request to the VCU, and detecting a target controller needing program upgrade by the VCU;
the target controller comprises a VCU and/or a BMS and/or an MCU;
when the VCU detects that an upgrade package corresponding to a target controller exists, the identity validity of the TBOX is checked, and the upgrade package is downloaded after the identity validity is successfully checked;
If the target controller needing to be upgraded is a VCU, the upgrading packet is locally stored in the VCU, the integrity of the upgrading packet is verified after the upgrading packet is received, and coverage upgrading is started after the upgrading packet passes;
if the target controller needing to be upgraded is a BMS or an MCU, the VCU transmits the received data to the BMS or the MCU, the BMS or the MCU is locally stored firstly, then the integrity of an upgrade package is verified, and after the upgrade package passes the verification, the coverage upgrade is started;
the method also comprises an abnormal condition processing method in the upgrading process, wherein the abnormal condition processing method comprises the following contents:
in the process that the VCU transmits the received data to the BMS or the MCU or the upgrade package is stored in the local VCU, the data package is transmitted for 15min, and the package is retransmitted after abnormal power-off or network failure power-on next time;
in the process of performing coverage upgrading on the BMS or MCU upgrading packet, the next time of power-on is performed after abnormal power failure, and the coverage upgrading is performed again;
if abnormal power failure or network failure occurs in the process of sending down the upgrade package, after the failure is eliminated, the upgrade package can continue to be transmitted along with the previous breakpoint.
2. The remote program upgrading method for the new energy electric vehicle according to claim 1, characterized by comprising the following steps: and automatically deleting the upgrade package after the upgrade is successful.
3. The remote program upgrading method for the new energy electric vehicle according to claim 1, characterized by comprising the following steps: the verification process is as follows:
TBOX sends an identity validity request to VCU;
the VCU replies a handshake random code;
TBOX generates a check code according to the random code;
the VCU returns the verification result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810057474.8A CN108279919B (en) | 2018-01-22 | 2018-01-22 | Remote program upgrading method for new energy electric vehicle |
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| CN201810057474.8A CN108279919B (en) | 2018-01-22 | 2018-01-22 | Remote program upgrading method for new energy electric vehicle |
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| CN108279919A CN108279919A (en) | 2018-07-13 |
| CN108279919B true CN108279919B (en) | 2021-10-08 |
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| CN109040205A (en) * | 2018-07-18 | 2018-12-18 | 北京车和家信息技术有限公司 | The method and device of vehicle upgrading |
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| CN109240731B (en) * | 2018-08-29 | 2022-02-11 | 武汉光庭信息技术股份有限公司 | Safe upgrading method and system for TBox |
| CN109471652A (en) * | 2018-10-24 | 2019-03-15 | 北汽福田汽车股份有限公司 | Method for updating program and its system, the car-mounted terminal and electronic equipment of vehicle |
| CN109673009B (en) * | 2018-11-13 | 2022-06-21 | 浙江合众新能源汽车有限公司 | Method and device for upgrading VCU software in air |
| CN109582340A (en) * | 2018-12-07 | 2019-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of method and system of electric car remote upgrade |
| CN109918111B (en) * | 2019-04-09 | 2024-03-19 | 保定华智电气有限公司 | Remote IAP program upgrading method for intelligent power distribution terminal with double MCU |
| CN110489143B (en) * | 2019-07-18 | 2023-10-13 | 南京依维柯汽车有限公司 | FOTA firmware remote upgrading system and method on new energy automobile |
| CN110597546B (en) * | 2019-08-21 | 2023-12-12 | 北京汽车股份有限公司 | Method for upgrading vehicle-mounted controller program and vehicle |
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| CN112035140B (en) * | 2020-08-26 | 2022-02-01 | 安徽江淮汽车集团股份有限公司 | System upgrading method, device and equipment for intelligent parking scene and storage medium |
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