CN115525314B - Upgrading method and system of tire pressure sensor - Google Patents
Upgrading method and system of tire pressure sensor Download PDFInfo
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- G06F8/60—Software deployment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
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- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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Abstract
The invention discloses a method and a system for upgrading a tire pressure sensor, which comprise the following steps: establishing remote connection between the tire pressure upgrading equipment and an electronic control unit of a vehicle; the tire pressure upgrading equipment controls the electronic control unit to send a tire pressure program detection instruction to each tire pressure sensor on the vehicle; the electronic control unit acquires detection information of the tire pressure sensor and sends the detection information to the tire pressure upgrading equipment; the tire pressure upgrading equipment analyzes the detection information and determines a first target tire pressure sensor and a second target tire pressure sensor; the tire pressure upgrading equipment determines a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmits the difference program parameter to the first target tire pressure sensor; the first target tire pressure sensor receives the difference program parameters and executes the difference program parameters; the electronic control unit detects the execution result of the first target tire pressure sensor, acquires detection program data and sends the detection program data to the second target tire pressure sensor. The remote upgrade of the tire pressure sensor is realized.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a method and a system for upgrading a tire pressure sensor.
Background
Along with the requirement of automobile safety performance is gradually improved, from passenger vehicles to commercial vehicles, tire pressure monitoring gradually becomes standard and matched, a tire pressure sensor is arranged on each vehicle, the tire pressure condition is detected at any time, and even an alarm function is provided, so that the risk of tire accidents is reduced. The tire pressure sensor is mounted on each tire of a vehicle and communicates with an electronic control unit ecu of the vehicle through a wireless transmitting and receiving device. Patent CN 112394959A discloses a tire pressure sensor upgrading method, which is characterized in that a handheld tire pressure tool is close to a tire pressure sensor to be upgraded, and the tire pressure tool is held by other tire pressure sensor principles, so that after a one-to-one wireless communication link with the tire pressure sensor is established by the handheld tire pressure tool, a tire pressure monitoring program of a data tire pressure sensor is sent. The technical problems exist as follows: need carry out the upgrading of tire pressure sensor in the maintenance shop, upgrade the timeliness poor and consume user's time, user experience is relatively poor. In practice, when a certain tire pressure sensor of the vehicle breaks down, an alarm is given and the tire pressure sensor is replaced. The original tire pressure sensor that has not been changed and the tire pressure sensor that changes, probably the type of tire pressure monitoring procedure is inconsistent, leads to the unable accurate detection of each tire pressure in the whole vehicle, need unify the tire pressure monitoring procedure of tire pressure sensor. In the prior art, each tire pressure sensor needs to be detected based on a handheld tire pressure tool, time and labor are wasted, and effective management of tire pressure monitoring programs in each tire pressure sensor cannot be realized.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, a first objective of the present invention is to provide an upgrading method for tire pressure sensors, which remotely upgrades the programs of the tire pressure sensors, improves timeliness, saves user time, and simultaneously effectively manages the tire pressure monitoring programs in the tire pressure sensors, unifies the tire pressure monitoring programs in the tire pressure sensors, and based on the same detection standard, realizes accurate detection of the tire pressure of each tire in a vehicle.
A second object of the present invention is to provide an upgrade system of a tire pressure sensor.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides an upgrade method for a tire pressure sensor, including:
establishing remote connection between the tire pressure upgrading equipment and an electronic control unit of a vehicle;
the tire pressure upgrading equipment controls the electronic control unit to send a tire pressure program detection instruction to each tire pressure sensor on the vehicle;
the electronic control unit acquires detection information of the tire pressure sensor and sends the detection information to the tire pressure upgrading equipment;
the tire pressure upgrading equipment analyzes the detection information and determines a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device;
the tire pressure upgrading equipment determines a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmits the difference program parameter to the first target tire pressure sensor;
the first target tire pressure sensor receives the difference program parameters and executes the difference program parameters;
the electronic control unit detects the execution result of the first target tire pressure sensor, acquires detection program data and sends the detection program data to the second target tire pressure sensor.
According to some embodiments of the present invention, the second target tire pressure sensor erases the original program and performs the upgrade based on the detected program data.
According to some embodiments of the present invention, the first target tire pressure sensor receives the differential program parameter and when executed, includes:
analyzing the difference program parameters, and determining a target management package and an upgrading package;
determining an initial management package of a first target tire pressure sensor;
judging whether the initial management packet is consistent with the target management packet or not, and modifying the initial management packet based on the target management packet when the initial management packet is determined to be inconsistent with the target management packet;
after the correction is completed, the first target tire pressure sensor is upgraded based on the upgrade package.
According to some embodiments of the present invention, the first target tire pressure sensor is upgraded based on an upgrade package, including:
writing the upgrade package into a first partition of a first target tire pressure sensor, reserving an old program in a second partition of the first target tire pressure sensor, and updating the second partition based on data in the first partition after the first partition is upgraded successfully; and if the upgrading of the first partition fails, updating the data in the second partition to the first partition.
According to some embodiments of the present invention, establishing a remote connection of a tire pressure upgrade apparatus with an electronic control unit of a vehicle comprises:
the tire pressure upgrading equipment is connected with the server through a first remote communication module;
the electronic control unit of the vehicle is connected with the server through the second remote communication module;
the first remote communication module sends first remote connection information to the server;
the second remote communication module sends second remote connection information to the server;
and the server judges whether the first remote connection information is matched with the second remote connection information or not, and establishes remote connection between the tire pressure upgrading equipment and the electronic control unit of the vehicle when the first remote connection information is matched with the second remote connection information.
In order to achieve the above object, a second aspect of the present invention provides an upgrade system for a tire pressure sensor, including:
the building module is used for building remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle;
the tire pressure upgrading device is used for controlling the electronic control unit to send tire pressure program detection instructions to each tire pressure sensor on the vehicle;
the electronic control unit is used for acquiring detection information of the tire pressure sensor and sending the detection information to the tire pressure upgrading equipment;
the tire pressure upgrading equipment is used for analyzing the detection information and determining a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device;
the tire pressure upgrading device is used for determining a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmitting the difference program parameter to the first target tire pressure sensor;
the first target tire pressure sensor receives the difference program parameters and executes the difference program parameters;
and the electronic control unit is used for detecting the execution result of the first target tire pressure sensor, acquiring detection program data and sending the detection program data to the second target tire pressure sensor.
According to some embodiments of the invention, further comprising a correction module for:
analyzing the difference program parameters, and determining a target management package and an upgrading package;
determining an initial management package of a first target tire pressure sensor;
judging whether the initial management packet is consistent with the target management packet or not, and modifying the initial management packet based on the target management packet when the initial management packet is determined to be inconsistent with the target management packet;
after the correction is completed, the first target tire pressure sensor is convenient to upgrade based on the upgrade package.
According to some embodiments of the invention, further comprising: the writing module is used for writing the upgrade package into a first partition of the first target tire pressure sensor, reserving an old program in a second partition of the first target tire pressure sensor, and updating the second partition based on data in the first partition after the first partition is upgraded successfully; and if the first partition fails to be upgraded, updating the data in the second partition to the first partition.
According to some embodiments of the invention, the setup module comprises a first telecommunications module, a second telecommunications module, and a server; wherein,
the first remote communication module is respectively connected with the tire pressure upgrading equipment and the server;
the second remote communication module is respectively connected with an electronic control unit and a server of the vehicle;
the server is used for judging whether the first remote connection information sent by the first remote communication module is matched with the second remote connection information sent by the second remote communication module, and when the first remote connection information is matched with the second remote connection information, the remote connection between the tire pressure upgrading equipment and the electronic control unit of the vehicle is established.
According to some embodiments of the invention, a first telecommunications module comprises:
a storage module for storing communication program codes;
an Led display module;
a communication module;
the control module is respectively connected with the storage module, the LED display module and the communication module and is used for:
judging the connection state of the tire pressure upgrading equipment, and displaying the connection state based on an Led display module;
managing the calling and execution of communication program codes of the storage module;
controlling the communication module to perform communication connection with the server;
and the power supply module is respectively connected with the control module, the storage module, the LED display module and the communication module and is used for supplying power.
The invention provides an upgrading method and system of a tire pressure sensor, which remotely realize the program upgrading of the tire pressure sensor, improve the timeliness, save the time of a user, simultaneously realize the effective management of the tire pressure monitoring programs in all the tire pressure sensors, unify the tire pressure monitoring programs in all the tire pressure sensors, and realize the accurate detection of the tire pressure of all the tires in a whole vehicle based on the same detection standard.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of an upgrading method of a tire pressure sensor according to an embodiment of the present invention;
fig. 2 is a flowchart of establishing a remote connection of a tire pressure upgrading device with an electronic control unit of a vehicle according to one embodiment of the present invention;
fig. 3 is a block diagram of an upgrade system of a tire pressure sensor according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, a first embodiment of the present invention provides an upgrading method for a tire pressure sensor, including steps S1 to S7:
s1, establishing remote connection between tire pressure upgrading equipment and an electronic control unit of a vehicle;
s2, the tire pressure upgrading equipment control electronic control unit sends tire pressure program detection instructions to each tire pressure sensor on the vehicle;
s3, the electronic control unit acquires detection information of the tire pressure sensor and sends the detection information to tire pressure upgrading equipment;
s4, analyzing the detection information by the tire pressure upgrading equipment to determine a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device;
s5, the tire pressure upgrading equipment determines a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmits the difference program parameter to the first target tire pressure sensor;
s6, receiving and executing the difference program parameters by the first target tire pressure sensor;
and S7, the electronic control unit detects the execution result of the first target tire pressure sensor, acquires detection program data and sends the detection program data to the second target tire pressure sensor.
The working principle of the technical scheme is as follows: the remote connection between the tire pressure upgrading equipment and the electronic control unit of the vehicle is established, so that the tire pressure upgrading equipment can conveniently remotely upgrade the tire pressure monitoring programs of all the tire pressure sensors arranged on the vehicle tires through the electronic control unit. The tire pressure upgrading equipment controls the electronic control unit to send a tire pressure program detection instruction to each tire pressure sensor on the vehicle; it is indicated that the tire pressure monitoring program stored in the tire pressure sensor is detected, and the type, version, etc. of the tire pressure monitoring program is determined. The electronic control unit acquires detection information of the tire pressure sensor and sends the detection information to the tire pressure upgrading equipment; the detection information includes the type and version of the tire pressure monitoring program. The tire pressure upgrading equipment analyzes the detection information and determines a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device; the tire pressure sensors on the vehicle are classified, so that program upgrading is better performed, and orderly and accurate upgrading is realized. The tire pressure upgrading equipment determines a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmits the difference program parameter to the first target tire pressure sensor; the first target tire pressure sensor is first updated in a supplementary manner, and the first target tire pressure sensor is upgraded based on the difference program parameters. The first target tire pressure sensor receives the differential program parameter and executes it. The electronic control unit detects the execution result of the first target tire pressure sensor, acquires detection program data and sends the detection program data to the second target tire pressure sensor. And if the updating is not successful, the program upgrading is carried out on the second target tire pressure sensor based on the original program in the first target tire pressure sensor. The method comprises the steps of firstly, carrying out program upgrading on a first target tire pressure sensor based on difference program parameters, avoiding the tire pressure upgrading equipment from wirelessly transmitting all updating data, acquiring data of the first target tire pressure sensor based on an execution result of the first target tire pressure sensor based on an electronic control unit, and updating a second target tire pressure sensor based on local data, avoiding a large amount of data transmission, improving upgrading efficiency and accuracy, and meanwhile, ensuring the consistency of tire pressure monitoring programs in the tire pressure sensors corresponding to various tires on a vehicle.
The beneficial effects of the above technical scheme are as follows: the remote program upgrading of the tire pressure sensors is realized, the timeliness is improved, the time of a user is saved, meanwhile, the effective management of the tire pressure monitoring programs in the tire pressure sensors is realized, the tire pressure monitoring programs in the tire pressure sensors are unified, and the accurate detection of the tire pressures of the tires in the whole vehicle is realized based on the same detection standard.
According to some embodiments of the present invention, the second target tire pressure sensor erases the original program and performs the upgrade based on the detection program data.
The working principle and the beneficial effects of the technical scheme are as follows: and all programs which are inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment need to be removed, and upgrading is carried out again based on the detection program data. The consistency of the tire pressure monitoring programs in the tire pressure sensors is realized.
According to some embodiments of the present invention, the first target tire pressure sensor receives the differential program parameter and when executed, includes:
analyzing the difference program parameters, and determining a target management package and an upgrade package;
determining an initial management package of a first target tire pressure sensor;
judging whether the initial management packet is consistent with the target management packet or not, and modifying the initial management packet based on the target management packet when the initial management packet is determined to be inconsistent with the target management packet;
after the correction is completed, the first target tire pressure sensor is upgraded based on the upgrade package.
The working principle of the technical scheme is as follows: the upgrade package is data to be upgraded. The target management package is a management package for operating the upgrade package. The initial management packet represents a data packet of the upgradeability of the first target tire pressure sensor. And judging whether the initial management package is consistent with the target management package or not, wherein the judgment shows that whether the first target tire pressure sensor has the upgrading capability of running an upgrading package or not. When the inconsistency is determined, correcting the initial management package based on the target management package; the upgrading capability of the first target tire pressure sensor is convenient to adjust, and after the correction is completed, the first target tire pressure sensor is upgraded based on the upgrading packet.
The beneficial effects of the above technical scheme are as follows: when being convenient for upgrade, realize the management and control to the upgrading ability, be convenient for improve the accuracy of upgrading.
According to some embodiments of the present invention, the first target tire pressure sensor is upgraded based on an upgrade package, including:
writing the upgrade package into a first partition of a first target tire pressure sensor, reserving an old program in a second partition of the first target tire pressure sensor, and updating the second partition based on data in the first partition after the first partition is upgraded successfully; and if the upgrading of the first partition fails, updating the data in the second partition to the first partition.
The working principle and the beneficial effects of the technical scheme are as follows: the first target tire pressure sensor is provided with two subareas, the upgrading packet is written into the first subarea of the first target tire pressure sensor, the second subarea of the first target tire pressure sensor keeps an old program, and after the first subarea is upgraded successfully, the second subarea is updated based on data in the first subarea; and if the upgrading of the first partition fails, updating the data in the second partition to the first partition. The loss of the original program in the tire pressure sensor after the program upgrading fails is avoided, and the upgrading reliability is improved.
As shown in fig. 2, establishing a remote connection of a tire pressure upgrading device with an electronic control unit of a vehicle according to some embodiments of the present invention includes steps S11-S15:
s11, the tire pressure upgrading equipment is connected with a server through a first remote communication module;
s12, connecting an electronic control unit of the vehicle with a server through a second remote communication module;
s13, the first remote communication module sends first remote connection information to a server;
s14, the second remote communication module sends second remote connection information to the server;
s15, the server judges whether the first remote connection information is matched with the second remote connection information, and when the first remote connection information is matched with the second remote connection information, remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle is established.
The working principle and the beneficial effects of the technical scheme are as follows: the first remote communication module is arranged on one side of the tire pressure upgrading device. The second remote communication module is disposed at one side of the electronic control unit. The first remote communication module and the second remote communication module have matching relationship, and the structures are consistent, but the corresponding connection objects are different. The first remote communication module sends first remote connection information to the server; the second remote communication module sends second remote connection information to the server; the server judges whether the first remote connection information is matched with the second remote connection information, and when the first remote connection information is matched with the second remote connection information, remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle is established. The remote connection of the tire pressure upgrading device and the electronic control unit of the vehicle is accurately and quickly established.
As shown in fig. 3, a second aspect of the present invention provides an upgrade system for a tire pressure sensor, including:
the building module is used for building remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle;
the tire pressure upgrading device is used for controlling the electronic control unit to send tire pressure program detection instructions to each tire pressure sensor on the vehicle;
the electronic control unit is used for acquiring detection information of the tire pressure sensor and sending the detection information to the tire pressure upgrading equipment;
the tire pressure upgrading equipment is used for analyzing the detection information and determining a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device;
the tire pressure upgrading device is used for determining a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmitting the difference program parameter to the first target tire pressure sensor;
the first target tire pressure sensor receives the difference program parameters and executes the difference program parameters;
and the electronic control unit is used for detecting the execution result of the first target tire pressure sensor, acquiring detection program data and sending the detection program data to the second target tire pressure sensor.
The working principle of the technical scheme is as follows: the building module is used for building remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle, so that the tire pressure upgrading equipment can conveniently realize remote upgrading of tire pressure monitoring programs of all tire pressure sensors arranged on the vehicle tires through the electronic control unit. The tire pressure upgrading equipment controls the electronic control unit to send a tire pressure program detection instruction to each tire pressure sensor on the vehicle; it is indicated that the tire pressure monitoring program stored in the tire pressure sensor is detected, and the type, version, etc. of the tire pressure monitoring program is determined. The electronic control unit acquires detection information of the tire pressure sensor and sends the detection information to the tire pressure upgrading equipment; the detection information includes the type and version of the tire pressure monitoring program. The tire pressure upgrading equipment analyzes the detection information and determines a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device; the tire pressure sensors on the vehicle are classified, so that program upgrading is better performed, and orderly and accurate upgrading is realized. The tire pressure upgrading equipment determines a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmits the difference program parameter to the first target tire pressure sensor; the first target tire pressure sensor is first updated in a supplementary manner, and the first target tire pressure sensor is upgraded based on the difference program parameters. The first target tire pressure sensor receives the differential program parameter and executes it. The electronic control unit detects the execution result of the first target tire pressure sensor, acquires detection program data and sends the detection program data to the second target tire pressure sensor. And detecting program data as a result of updating the first target tire pressure sensor, if the updating is successful, upgrading the program of the second target tire pressure sensor based on the data which is updated successfully, and if the updating is unsuccessful, upgrading the program of the second target tire pressure sensor based on the original program in the first target tire pressure sensor. The method comprises the steps of firstly, carrying out program upgrading on a first target tire pressure sensor based on difference program parameters, avoiding that tire pressure upgrading equipment wirelessly transmits all updating data, acquiring data of the first target tire pressure sensor based on an electronic control unit based on an execution result of the first target tire pressure sensor, updating a second target tire pressure sensor based on local data, avoiding a large amount of data transmission, improving upgrading efficiency and accuracy, and simultaneously ensuring the consistency of tire pressure monitoring programs in the tire pressure sensors corresponding to various tires on a vehicle.
The beneficial effects of the above technical scheme are that: the remote program upgrading of the tire pressure sensors is realized, the timeliness is improved, the user time is saved, the effective management of the tire pressure monitoring programs in the tire pressure sensors is realized, the tire pressure monitoring programs in the tire pressure sensors are unified, and the accurate detection of the tire pressures of the tires in the vehicle is realized based on the same detection standard.
The principles of the tire pressure sensor upgrading method and the tire pressure sensor upgrading system in the invention are consistent, and are not repeated herein.
According to some embodiments of the invention, further comprising a correction module for:
analyzing the difference program parameters, and determining a target management package and an upgrading package;
determining an initial management package of a first target tire pressure sensor;
judging whether the initial management packet is consistent with the target management packet or not, and modifying the initial management packet based on the target management packet when the initial management packet is determined to be inconsistent with the target management packet;
after the correction is completed, the first target tire pressure sensor is convenient to upgrade based on the upgrade package.
According to some embodiments of the invention, further comprising: the writing module is used for writing the upgrade package into a first partition of the first target tire pressure sensor, reserving an old program in a second partition of the first target tire pressure sensor, and updating the second partition based on data in the first partition after the first partition is upgraded successfully; and if the upgrading of the first partition fails, updating the data in the second partition to the first partition.
According to some embodiments of the invention, the setup module comprises a first telecommunications module, a second telecommunications module, and a server; wherein,
the first remote communication module is respectively connected with the tire pressure upgrading equipment and the server;
the second remote communication module is respectively connected with an electronic control unit and a server of the vehicle;
the server is used for judging whether the first remote connection information sent by the first remote communication module is matched with the second remote connection information sent by the second remote communication module, and when the first remote connection information is matched with the second remote connection information, the remote connection between the tire pressure upgrading equipment and the electronic control unit of the vehicle is established.
According to some embodiments of the invention, the first telecommunications module comprises:
a storage module for storing communication program code;
an Led display module;
a communication module;
the control module is respectively connected with the storage module, the LED display module and the communication module and is used for:
judging the connection state of the tire pressure upgrading equipment, and displaying the connection state based on an Led display module;
managing the calling and execution of the communication program code of the storage module;
controlling the communication module to perform communication connection with the server;
and the power supply module is respectively connected with the control module, the storage module, the LED display module and the communication module and is used for supplying power.
The beneficial effects of the above technical scheme are as follows: the connection state of the tire pressure upgrading device is displayed on the basis of the Led display module, and different colors are displayed in different connection states. The connection state can be accurately judged by the user conveniently and accurately. The first remote communication module has the functions of data transmission and connection establishment with the server and the tire pressure diagnosis equipment, and remote connection is convenient to achieve.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. An upgrade method of a tire pressure sensor, comprising:
establishing remote connection between the tire pressure upgrading equipment and an electronic control unit of a vehicle;
the tire pressure upgrading equipment controls the electronic control unit to send tire pressure program detection instructions to each tire pressure sensor on the vehicle;
the electronic control unit acquires detection information of the tire pressure sensor and sends the detection information to the tire pressure upgrading equipment;
the tire pressure upgrading equipment analyzes the detection information and determines a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device;
the tire pressure upgrading equipment determines a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmits the difference program parameter to the first target tire pressure sensor;
the first target tire pressure sensor receives the difference program parameters and executes the difference program parameters;
the electronic control unit detects the execution result of the first target tire pressure sensor, acquires detection program data and sends the detection program data to the second target tire pressure sensor;
the remote connection of the tire pressure upgrading equipment and the electronic control unit of the vehicle is established, and the remote connection comprises the following steps:
the tire pressure upgrading equipment is connected with the server through a first remote communication module;
the electronic control unit of the vehicle is connected with the server through the second remote communication module;
the first remote communication module sends first remote connection information to the server;
the second remote communication module sends second remote connection information to the server;
the server judges whether the first remote connection information is matched with the second remote connection information, and when the first remote connection information is matched with the second remote connection information, remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle is established;
the second target tire pressure sensor erases the original program and carries out upgrading based on the detection program data;
the first target tire pressure sensor receives the differential program parameter and when executed, includes:
analyzing the difference program parameters, and determining a target management package and an upgrade package;
determining an initial management package of a first target tire pressure sensor;
judging whether the initial management packet is consistent with the target management packet or not, and modifying the initial management packet based on the target management packet when the initial management packet is determined to be inconsistent with the target management packet;
after the correction is completed, the first target tire pressure sensor is upgraded based on the upgrade package.
2. The tire pressure sensor upgrading method according to claim 1, wherein the first target tire pressure sensor is upgraded based on an upgrade package, including:
writing the upgrade package into a first partition of a first target tire pressure sensor, reserving an old program in a second partition of the first target tire pressure sensor, and updating the second partition based on data in the first partition after the first partition is upgraded successfully; and if the upgrading of the first partition fails, updating the data in the second partition to the first partition.
3. An upgrade system for a tire pressure sensor, comprising:
the building module is used for building remote connection between the tire pressure upgrading equipment and an electronic control unit of a vehicle;
the tire pressure upgrading device is used for controlling the electronic control unit to send tire pressure program detection instructions to each tire pressure sensor on the vehicle;
the electronic control unit is used for acquiring detection information of the tire pressure sensor and sending the detection information to the tire pressure upgrading equipment;
the tire pressure upgrading equipment is used for analyzing the detection information and determining a first target tire pressure sensor and a second target tire pressure sensor; the first target tire pressure sensor stores a tire pressure monitoring program which is consistent with the type of the tire pressure monitoring program in the tire pressure upgrading equipment but has a lower version; the type of the tire pressure monitoring program stored in the second target tire pressure sensor is inconsistent with the type of the tire pressure monitoring program in the tire pressure upgrading device;
the tire pressure upgrading device is used for determining a difference program parameter according to the version of the tire pressure monitoring program in the first target tire pressure sensor and the stored latest version, and transmitting the difference program parameter to the first target tire pressure sensor;
the first target tire pressure sensor receives the difference program parameters and executes the difference program parameters;
the electronic control unit is used for detecting the execution result of the first target tire pressure sensor, acquiring detection program data and sending the detection program data to the second target tire pressure sensor;
the establishing module comprises a first remote communication module, a second remote communication module and a server; wherein,
the first remote communication module is respectively connected with the tire pressure upgrading equipment and the server;
the second remote communication module is respectively connected with an electronic control unit and a server of the vehicle;
the server is used for judging whether first remote connection information sent by the first remote communication module is matched with second remote connection information sent by the second remote communication module, and when the first remote connection information is matched with the second remote connection information, remote connection between the tire pressure upgrading equipment and an electronic control unit of the vehicle is established;
the second target tire pressure sensor erases the original program and carries out upgrading based on the detection program data;
the first target tire pressure sensor receives the differential program parameter and when executed, includes:
analyzing the difference program parameters, and determining a target management package and an upgrading package;
determining an initial management package of a first target tire pressure sensor;
judging whether the initial management package is consistent with the target management package, and if the initial management package is not consistent with the target management package, correcting the initial management package based on the target management package;
after the correction is completed, the first target tire pressure sensor is convenient to upgrade based on the upgrade package.
4. The tire pressure sensor upgrade system according to claim 3, further comprising: the writing module is used for writing the upgrade package into a first partition of the first target tire pressure sensor, reserving an old program in a second partition of the first target tire pressure sensor, and updating the second partition based on data in the first partition after the first partition is upgraded successfully; and if the first partition fails to be upgraded, updating the data in the second partition to the first partition.
5. The upgrade system for tire pressure sensors according to claim 3, wherein the first remote communication module includes:
a storage module for storing communication program codes;
an Led display module;
a communication module;
the control module is respectively connected with the storage module, the LED display module and the communication module and is used for:
judging the connection state of the tire pressure upgrading equipment, and displaying the connection state based on an Led display module;
managing the calling and execution of the communication program code of the storage module;
controlling the communication module to perform communication connection with the server;
and the power supply module is respectively connected with the control module, the storage module, the LED display module and the communication module and is used for supplying power.
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| CN103419577B (en) * | 2013-08-20 | 2016-06-15 | 深圳市道通科技股份有限公司 | A kind of scalable universal tire pressure sensing apparatus, system and network system realization |
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