CN111873722B - Tire pressure sensor address writing method and related device thereof - Google Patents
Tire pressure sensor address writing method and related device thereof Download PDFInfo
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- CN111873722B CN111873722B CN202010752326.5A CN202010752326A CN111873722B CN 111873722 B CN111873722 B CN 111873722B CN 202010752326 A CN202010752326 A CN 202010752326A CN 111873722 B CN111873722 B CN 111873722B
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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
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0471—System initialisation, e.g. upload or calibration of operating parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The embodiment of the application discloses a tire pressure sensor address writing method and a related device thereof, which are used for improving the automobile assembly efficiency. The method in the embodiment of the application comprises the following steps: acquiring an automobile production queue, wherein the automobile production queue comprises production information and vehicle identification of an automobile to be assembled; activating tire pressure sensors of tires on the tire conveying line according to the production sequence of the production information; recording the address of the tire pressure sensor of the activated tire pressure sensor; performing data association on the address of the tire pressure sensor and the corresponding vehicle identification of the automobile to be assembled; when the automobile to be assembled serves as a current assembling automobile, identifying the automobile identification of the current assembling automobile; and writing the address of the tire pressure sensor associated with the vehicle identification data into a control module of the currently assembled automobile.
Description
Technical Field
The embodiment of the application relates to the field of automobile data processing, in particular to a tire pressure sensor address writing method and a related device thereof.
Background
The tire pressure sensor address, also referred to as a tire pressure sensor ID, refers to an identification code of a sensor installed in the tire. The tire pressure sensor can monitor various parameters (such as tire pressure, tire temperature and the like) of a tire in real time, and broadcasts the parameters outwards through a wireless communication technology, after a control module of an automobile is associated with the address of the tire pressure sensor of the tire, the control module can smoothly receive the various parameters broadcasted by the tire pressure sensor, and then the control module activates the tire pressure monitoring function of the automobile, so that the monitoring of various parameters of the automobile tire is realized.
In the production line of the current automobile assembly workshop, a tire pressure sensor is pre-installed in a tire, the tire pressure sensor installed in the tire is not activated at the moment, the tire pressure sensor needs to be activated by special tire pressure activation equipment, the tire pressure sensor activation equipment is positioned on the assembly flow line of the whole automobile, after the tire is correspondingly assembled to the automobile, the tire pressure sensors of the tires installed on the automobile are activated one by using the tire pressure sensor activation equipment, so that the tire pressure sensor activation equipment acquires the addresses of the tire pressure sensors of the corresponding tires, and then the addresses of the tire pressure sensors acquired by the tire pressure sensor activation equipment are written into a control module of the automobile, so that an automobile tire pressure monitoring system is activated, and the automobile has a tire pressure monitoring function.
However, the assembling method of firstly installing tires on the vehicle, then using the tire pressure activation device to activate the tires one by one, identifying the tire pressure sensor addresses of the tire pressure sensors corresponding to the tires, and then writing the tire pressure sensor addresses into the control module of the vehicle has complicated steps, which may affect the assembling efficiency of the vehicle.
Disclosure of Invention
The embodiment of the application provides a tire pressure sensor address writing method and a related device, which are used for improving the automobile assembly efficiency.
The application provides a tire pressure sensor address writing method in a first aspect, including:
obtaining an automobile production queue, wherein the automobile production queue comprises production information and vehicle identification of an automobile to be assembled;
activating tire pressure sensors of the tires on the tire conveying line according to the production sequence of the production information;
recording the address of the tire pressure sensor of the activated tire pressure sensor;
performing data association on the tire pressure sensor address and the corresponding vehicle identification of the automobile to be assembled;
when the automobile to be assembled serves as a current assembling automobile, identifying the automobile identification of the current assembling automobile; and writing the tire pressure sensor address associated with the vehicle identification data into a control module of the currently assembled automobile.
Optionally, the activating the tire pressure sensor of the tire on the tire conveying line according to the production sequence of the production information includes:
distributing the tires to the vehicle to be assembled on the tire conveying line according to the production sequence;
activating the tire on the tire transfer line;
the recording of the tire pressure sensor address of the tire pressure sensor after activation comprises:
recording activation information of the tire after activation, wherein the activation information comprises an address of a tire pressure sensor of the tire or a null value of the tire.
Optionally, the automobile production queue further comprises a tire pressure monitoring system identifier indicating whether a tire pressure monitoring system is configured, and the vehicle identifier is a frame number; the data association of the tire pressure sensor address and the corresponding vehicle identification number of the automobile to be assembled comprises the following steps:
judging whether the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured or not;
determining the activation information of the tire corresponding to the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured and the activation information is the tire pressure sensor address, performing data association on the tire pressure sensor address and the corresponding frame number of the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured, and the activation information is the null value, prompting a matching error;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured and the activation information is the null value, performing data association on the null value and the corresponding frame number of the automobile to be assembled;
and if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured, prompting a matching error when the activation information has the tire pressure sensor address.
Optionally, after prompting for a matching error, the method further comprises:
judging whether the matching error is corrected within a preset time;
if the matching error is corrected within the preset time, triggering the step of carrying out data association on the address or the null value of the tire pressure sensor and the corresponding frame number of the automobile to be assembled;
and if the matching error is not corrected within the preset time, suspending the tire conveying line.
Optionally, after prompting for a matching error, the method further comprises:
judging whether the addresses of the tire pressure sensors which are subjected to data association on the tire conveying line are all written into the corresponding control module of the current assembly vehicle;
and if so, suspending the tire conveying line.
Optionally, the data association between the tire pressure sensor address and the corresponding frame number of the automobile to be assembled includes:
performing data association on the four tire pressure sensor addresses and the frame number of the corresponding automobile to be assembled;
the data association of the null value and the frame number of the corresponding automobile to be assembled comprises the following steps:
and carrying out data association on the four null values and the frame number of the corresponding automobile to be assembled.
The second aspect of the present application provides a tire pressure sensor address writing device, including:
the system comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring an automobile production queue, and the automobile production queue comprises production information and vehicle identification of an automobile to be assembled;
the activation unit is used for activating the tire pressure sensor of the tire on the tire conveying line according to the production sequence of the production information;
the recording unit is used for recording the addresses of the tire pressure sensors of the activated tire pressure sensors;
the association unit is used for performing data association on the tire pressure sensor address and the corresponding vehicle identification of the automobile to be assembled;
and the identification writing unit is used for identifying the vehicle identification of the currently assembled vehicle when the vehicle to be assembled is used as the currently assembled vehicle, and writing the tire pressure sensor address associated with the vehicle identification data into a control module of the currently assembled vehicle.
Optionally, when the activation unit activates the tire pressure sensors of the tires on the tire conveying line according to the production sequence of the production information, the activation unit is specifically configured to:
distributing the tires to the vehicle to be assembled on the tire conveying line according to the production sequence;
activating the tire on the tire transfer line;
when the recording unit records the address of the tire pressure sensor after activation, the recording unit is specifically used for:
recording activation information of the tire after activation, wherein the activation information comprises an address of a tire pressure sensor of the tire or a null value of the tire.
Optionally, the automobile production queue further comprises a tire pressure monitoring system identifier indicating whether a tire pressure monitoring system is configured, and the vehicle identifier is a frame number; when the association unit performs data association between the tire pressure sensor address and the corresponding vehicle identifier of the automobile to be assembled, the association unit is specifically configured to:
judging whether the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured or not;
determining the activation information of the tire corresponding to the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured and the activation information is the tire pressure sensor address, performing data association between the tire pressure sensor address and the corresponding frame number of the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured, and the activation information is the null value, prompting a matching error;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured and the activation information is the null value, performing data association on the null value and the corresponding frame number of the automobile to be assembled;
and if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured, prompting a matching error when the activation information has the address of the tire pressure sensor.
Optionally, the system further comprises:
the judging unit is used for judging whether the matching error is corrected within a preset time;
the triggering unit is used for triggering the step of carrying out data association on the tire pressure sensor address or the null value and the corresponding frame number of the automobile to be assembled if the judging unit determines that the matching error is corrected within the preset time;
and the pause unit is used for pausing the tire conveying line if the judgment unit determines that the matching error is not corrected within the preset time.
Optionally, the system further comprises:
the judging unit is also used for judging whether the addresses of the tire pressure sensors which are subjected to data association on the tire conveying line are all written into the corresponding control modules of the currently assembled automobile;
and the suspension unit is also used for suspending the tire conveying line if the tire conveying line is in the normal running state.
Optionally, when the association unit associates the tire pressure sensor address with the frame number of the corresponding automobile to be assembled, the association unit is specifically configured to:
performing data association on the four tire pressure sensor addresses and the frame number of the corresponding automobile to be assembled;
when the association unit associates the null value with the frame number of the corresponding automobile to be assembled, the association unit is specifically configured to:
and carrying out data association on the four null values and the frame number of the corresponding automobile to be assembled.
A third aspect of the present application provides a tire pressure sensor address writing apparatus including:
the system comprises a processor, a memory, a bus and input and output equipment;
the processor is connected with the memory and the input and output equipment;
the bus is respectively connected with the processor, the memory and the input and output equipment;
the processor performs the method of any one of the preceding first aspects.
A fourth aspect of the present application provides a computer storage medium having stored therein instructions that, when executed on a computer, cause the computer to perform the method of any of the preceding first aspects.
A fifth aspect of the present application provides a computer program product, which, when executed on a computer, causes the computer to perform the method of any one of the preceding first aspects.
According to the technical scheme, the embodiment of the application has the following advantages:
according to the technical scheme, before the tire is mounted on the automobile, an automobile production queue is obtained in advance, the production queue comprises production information of the automobile to be assembled and an automobile identifier, the production information comprises information reflecting the production sequence of the automobile to be assembled, and the automobile identifier is an identifier capable of reflecting the identity of the automobile to be assembled. The technical scheme of this application activates the tire pressure sensor of the tire on the tire transfer chain according to the production order of waiting to assemble the car, because the tire was not installed on the car this moment, the speed of tire activation far more than the tire need be fast round the car tire activation one by one after installing on the car. Specifically, each tire on the tire conveying line is activated by using the tire pressure sensor activating device, and the address of the tire pressure sensor of the activated tire pressure sensor is recorded, since the production sequence of the tires on the tire conveyor line corresponds to the production sequence of the vehicle to be transferred (for example, one vehicle to be assembled corresponds to four tires), the activated tire pressure sensor address can be in data association with the corresponding vehicle identification of the vehicle to be assembled, when the vehicle to be assembled is taken as the current assembling vehicle, namely, when the automobile to be assembled is provided with the corresponding tire, by identifying the vehicle mark of the automobile to be assembled, the tire pressure sensor address associated with the vehicle identification data can be known, the tire pressure sensor address of the corresponding record can be directly written into the control module of the currently assembled vehicle at the moment, and the automobile tire pressure monitoring system can be activated, so that the vehicle has an automobile tire pressure monitoring function. It is thus clear that this scheme need not activate the tire pressure sensor of tire and acquire the tire pressure sensor address of this tire one by one round the car after the car has assembled the tire, but give the tire activation and record the tire pressure sensor address of tire earlier before the car assembles the tire, directly write in corresponding tire pressure sensor address when the car assembles the tire can, this scheme and prior art contrast, assembly efficiency is higher.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of a tire pressure sensor address writing method according to the present application;
fig. 2 is a schematic flow chart of another embodiment of the tire pressure sensor address writing method of the present application;
fig. 3 is a schematic structural diagram of an embodiment of the tire pressure sensor address writing device according to the present application;
fig. 4 is a schematic structural diagram of another embodiment of the tire pressure sensor address writing device of the present application;
fig. 5 is a schematic structural diagram of an embodiment of the tire pressure sensor address writing device of the present application.
Detailed Description
The embodiment of the application provides a tire pressure sensor address writing method and a related device, which are used for improving the automobile assembly efficiency.
In the embodiment of the present invention, a four-wheel automobile is taken as an example for explanation, and it should be understood that, in actual use, automobiles with other numbers of wheels, such as a three-wheel automobile and a two-wheel automobile, may also be used, and the number of wheels of an automobile is not limited herein. In a production line of an automobile assembly plant, tire installation and activation of an automobile are performed on one production line, namely, a tire pressure sensor is pre-installed in a tire, the tire pressure sensor installed in the tire is not activated at the moment, after the tire is installed on the automobile, the tire needs to be activated by a special tire pressure activation device, the tire pressure sensor activation device is located on a whole automobile assembly line, after the tire is correspondingly assembled to the automobile, the tire pressure sensors of the tires installed on the automobile are activated one by one around the automobile by using the tire pressure sensor activation device, and the tire pressure sensor activation device needs to be close to the tire pressure sensor to activate the tire pressure sensor, which is about 10 cm away. Generally, an operator holds a tire pressure activation device to sequentially activate tire pressure sensors of tires of an automobile from a left front wheel, a left rear wheel, a right rear wheel and a right front wheel of the whole automobile in sequence, so that the tire pressure sensor activation device obtains addresses of the tire pressure sensors of the corresponding tires; and writing the address of the tire pressure sensor obtained by the tire pressure sensor activating equipment into a control module of the automobile, namely connecting a diagnosis connector of the tire pressure sensor activating equipment with a connector of an On Board Diagnostics (OBD) of the automobile, writing the obtained address of the tire pressure sensor into a corresponding module, and further activating the tire pressure monitoring system of the automobile, so that the automobile has the function of monitoring the tire pressure of the automobile.
Referring to fig. 1, an embodiment of an address writing method for a tire pressure sensor according to the present application includes:
101. and acquiring an automobile production queue, wherein the automobile production queue comprises production information and vehicle identification of the automobile to be assembled.
In the present application, an automobile generation queue of a production line for performing tire assembly work in an automobile assembly plant needs to be obtained first, where the automobile generation queue reflects production information of a production sequence of automobiles to be assembled on the production line and a vehicle identifier of each automobile to be assembled, for example, the vehicle identifier may be a Vehicle Identification Number (VIN). The frame number is unique and may be the identification code of each vehicle. It is understood that the vehicle identifier may also be other identifiers that can represent the unique identity of the vehicle to be equipped, two-dimensional codes that must be customized, one-dimensional codes, and the like.
102. And activating the tire pressure sensors of the tires on the tire conveying line according to the production sequence of the production information.
It is understood that the production information may include many pieces of information of each automobile to be assembled, and in this embodiment, at least information including the production order of the automobiles to be assembled is required. The tires of the embodiment are conveyed on a tire conveying line, and the tire conveying sequence on the tire conveying line corresponds to the production sequence of the automobile to be assembled, namely, the tires on the tire conveying line and the production sequence of the automobile to be assembled are conveyed to the tire assembling stations on the automobile assembling line for tire assembling. On the way of the tire conveying line, the tire pressure sensor activating device is used for activating the tire pressure sensors of the tires of each automobile to be assembled on the tire conveying line according to the production sequence, for example, when one automobile to be assembled corresponds to four tires, the tire pressure sensors of the tires of each automobile to be assembled on the tire conveying line are activated according to the sequence of a left front wheel, a left rear wheel, a right rear wheel and a right front wheel.
103. And recording the address of the tire pressure sensor of the activated tire pressure sensor.
The tire pressure sensor address of the tire pressure sensor of each tire activated by the tire pressure sensor activation device in step 102 is recorded. It should be noted that in this embodiment, it is necessary to record the value fed back by each tire on the tire conveying line during the activation process of the tire pressure sensor activation device, for example, the address of the tire pressure sensor fed back when the tire pressure sensor is present in the tire, or a null value without feedback when the tire pressure sensor is absent in the tire, or other values fed back by the tire.
104. And carrying out data association on the address of the tire pressure sensor and the corresponding vehicle identification of the automobile to be assembled.
And performing data association on the value fed back after the tire pressure sensor of the tire is activated, which is recorded in the step 103, and the vehicle identifier of the automobile to be assembled in the corresponding production queue, wherein the data association is to establish a data mapping relationship, for example, the address of the tire pressure sensor fed back after the tire is activated is recorded in the step 103 as the address of the tire pressure sensor to be input of the control module of the automobile to be assembled.
105. When the automobile to be assembled serves as the current assembling automobile, the automobile identification of the current assembling automobile is identified, and the tire pressure sensor address associated with the automobile identification data is written into the control module of the current assembling automobile.
When the tire to be assembled on the tire conveying line and the corresponding automobile to be assembled needing to be assembled are both conveyed to the tire assembling station on the automobile assembling line, namely the automobile to be assembled serves as the automobile to be assembled currently, the automobile identifier of the automobile to be assembled currently is recognized, the address of the tire pressure sensor associated with the automobile identifier data can be written into the control module of the automobile to be assembled currently, and then the automobile tire pressure monitoring function of the automobile to be assembled currently is activated. It is thus clear that the operator of this tire assembly station only need with the tire correspondence assembly to directly with the tire pressure sensor address write in the control module of current assembly car that corresponds and vehicle identification data is associated can, no longer need use tire pressure sensor activation equipment to install the tire pressure sensor of the tire on the car one by one activation round the car, the technical scheme convenient and fast of this application embodiment does benefit to the assembly efficiency that improves automobile tire.
According to the embodiment, before the tire is installed on the automobile, the automobile production queue is obtained in advance, the production queue comprises the production information of the automobile to be assembled and the automobile identification, the production information comprises the information reflecting the production sequence of the automobile to be assembled, and the automobile identification is the identification capable of reflecting the identity of the automobile to be assembled. The technical scheme of this application activates the tire pressure sensor of the tire on the tire transfer chain according to the production order of waiting to assemble the car, because the tire was not installed on the car this moment, the speed of tire activation far more than the tire need be fast round the car tire activation one by one after installing on the car. Specifically, each tire is activated by using the tire pressure sensor activating device, and the address of the tire pressure sensor of the activated tire pressure sensor is recorded, since the production sequence of the tires on the tire conveyor line corresponds to the production sequence of the vehicle to be transferred (for example one vehicle to be fitted corresponds to four tires), the activated tire pressure sensor address can be in data association with the corresponding vehicle identification of the vehicle to be assembled, and when the vehicle to be assembled is used as the current assembling vehicle, namely, when the automobile to be assembled is provided with the corresponding tire, by identifying the vehicle mark of the automobile to be assembled, the tire pressure sensor address associated with the vehicle identification data can be known, the tire pressure sensor address of the corresponding record can be directly written into the control module of the currently assembled vehicle at the moment, and the automobile tire pressure monitoring system can be activated, so that the vehicle has an automobile tire pressure monitoring function. It is thus clear that this scheme need not activate the tire pressure sensor of tire and acquire the tire pressure sensor address of this tire one by one round the car after the car has assembled the tire, but give the tire activation earlier and record the tire pressure sensor address of tire before the car assembles the tire, when the car assembles the tire the direct write in corresponding tire pressure sensor address can, the technical scheme of this application embodiment compares with prior art, assembly efficiency is higher.
Referring to fig. 2, another embodiment of the tire pressure sensor address writing method according to the present application includes:
201. and acquiring an automobile production queue, wherein the automobile production queue comprises production information of an automobile to be assembled, a vehicle identifier and a tire pressure monitoring system identifier for indicating whether a tire pressure monitoring system is configured.
The execution of this step is similar to the aforementioned step 101 in fig. 1, and repeated descriptions are omitted here.
It should be noted that the automobile production queue in this step further includes a tire pressure monitoring system identifier indicating whether a tire pressure monitoring system is configured, where the tire pressure monitoring system identifier indicates whether the automobile to be assembled is configured with a tire pressure monitoring system. Specifically, when the tire pressure monitoring system identifier is used for indicating that the tire pressure monitoring system exists in the control module of the automobile to be assembled, the tire pressure sensors are arranged in the tires assembled to the automobile to be assembled. For example, when the vehicle to be assembled is a four-wheel vehicle, the tire pressure monitoring system identifier indicates that a tire pressure monitoring system exists in a control module of the vehicle to be assembled, and then each tire of the left front wheel, the left rear wheel, the right rear wheel and the right front wheel of the vehicle to be assembled should have a tire pressure sensor.
Of course, according to actual needs, the tire pressure monitoring system identifier of a certain vehicle to be assembled may also indicate that a tire pressure monitoring system exists in the control module of the vehicle to be assembled, and a part of tires in the tires assembled to the vehicle to be assembled are provided with sensors, for example, the left front wheel and the right front wheel are both provided with tire pressure sensors, and the right rear wheel and the left rear wheel are not provided with tire pressure sensors.
202. The tires are distributed to the vehicle to be assembled on a tire conveyor line in the production order.
It is noted that the embodiments of the present application have a tire conveyor line separate from the vehicle assembly line for distributing tires in the production order of the vehicles to be assembled and transporting the distributed tires to tire assembly stations on the vehicle assembly line. For example, an automobile to be assembled corresponds to four tires, the tire assembling stations on the automobile assembling line install the four tires in sequence of a left front wheel, a left rear wheel, a right rear wheel and a right front wheel, and the four tires of the automobile to be assembled on the corresponding tire conveying line are distributed and conveyed in sequence of the left front wheel, the left rear wheel, the right rear wheel and the right front wheel. It can be understood that the tire assembling station on the tire conveying line which has just finished distributing four tires for a certain vehicle to be assembled to the vehicle assembling line is currently assembling four tires of a plurality of vehicles to be assembled among the four tires of the vehicle, and the specific quantity of the intervals is not particularly limited.
203. The tires on the tire conveyor line are activated.
After the tires are assigned to the vehicle to be assembled in the production sequence on the tire conveyor line in step 202, each tire is activated on the tire conveyor line using the tire pressure sensor activation device. It is understood that the tire pressure sensor is pre-installed in the tire and is not activated, and is in a dormant state, where the activation of the tire is to transmit a specific wireless frequency signal to the tire so as to start the operation of the tire pressure sensor in the tire and "wake up" from the dormant state. The tire pressure sensor activating device is located in front of a tire assembling station on an automobile assembling line at a position on a tire conveying line for activating tires, is located behind a station for distributing the tires to an automobile to be assembled on the tire conveying line according to a production sequence, and is located as far away from the tire assembling station on the automobile assembling line as possible, and specific positions between the tire pressure sensor activating device and the tire assembling station are not limited.
204. And recording activation information of the activated tire, wherein the activation information comprises the address of the tire pressure sensor of the tire or the null value of the tire.
The tire pressure sensor activating device records activation information fed back by the tire pressure sensor of the tire that is subjected to the activating operation in step 203. For example, the tire pressure sensor may respond to a specific radio frequency signal transmitted by the tire pressure sensor activation device, so as to automatically start up, transmit its own tire pressure sensor address to the outside, and enter a state of monitoring tire pressure data. It should be noted that, in practical applications, not every vehicle is equipped with a tire pressure monitoring system. Generally, four tires of a vehicle equipped with a tire pressure monitoring system should be equipped with a tire pressure sensor; the four tires of the automobile not equipped with the tire pressure monitoring system are not provided with the tire pressure sensor. In view of this, considering that some tires of the to-be-assembled vehicle are not provided with the tire pressure sensor, and the tire conveying line must strictly follow the value of the tire pressure sensor address corresponding to each tire of the to-be-assembled vehicle, so as to facilitate the automatic management of data, when the tire pressure sensor activation device activates a certain tire but does not receive the corresponding feedback tire pressure sensor address, the tire pressure sensor activation device records the tire as a null value, that is, the tire pressure sensor is not provided with the tire pressure sensor.
205. Judging whether the tire pressure monitoring system identifier of the automobile to be assembled indicates that a tire pressure monitoring system is configured, if the tire pressure monitoring system identifier indicates that the tire pressure monitoring system is not configured and the corresponding activation information is the null value, executing step 206; if the tire pressure monitoring system identifier indicates that the tire pressure monitoring system is configured and the activation information is the tire pressure sensor address, then step 206 is executed; if the tire pressure monitoring system identifier indicates that the tire pressure monitoring system is configured and the activation information has a null value, execute step 207; if the tire pressure monitoring system identifier indicates that the tire pressure monitoring system is not configured and the activation information has the tire pressure sensor address, step 207 is executed.
After the activation information corresponding to the automobiles to be assembled is recorded in step 204, the tire pressure monitoring system identifier of each automobile to be assembled is obtained in combination with the information obtained in step 201, comparison and judgment are performed before the tires on the tire conveying line reach the tire assembling stations on the automobile assembling line, whether the tire pressure monitoring system exists in the control module of the automobile to be assembled is judged through the tire pressure monitoring system identifier, and therefore whether the tires assembled for the automobile to be assembled are all provided with tire pressure sensors is determined, namely whether the left front wheel, the left rear wheel, the right rear wheel and the right front wheel of the automobile to be assembled are provided with tire pressure sensors. When the tire pressure monitoring system identification of the automobile to be assembled indicates that the automobile to be assembled has a tire pressure monitoring system, namely, the left front wheel, the left rear wheel, the right rear wheel and the right front wheel of the automobile to be assembled are provided with tire pressure sensors, whether the activation information recorded by the tire pressure sensor activation equipment is the address of the tire pressure sensor or not is judged; or when the tire pressure monitoring system identification of the automobile to be assembled indicates that the automobile to be assembled does not have a tire pressure monitoring system, namely, the left front wheel, the left rear wheel, the right rear wheel and the right front wheel of the automobile to be assembled are not provided with tire pressure sensors, whether the activation information recorded by the activation equipment of the tire pressure sensors is null or not is judged.
That is to say, it is determined whether the activation information of the left front wheel, the left rear wheel, the right rear wheel, and the right front wheel in the activation information of each vehicle to be equipped corresponds to the information indicated by the tire pressure monitoring system identifier of the corresponding vehicle to be equipped, that is, it is determined whether the tire pressure monitoring system identifier of the vehicle to be equipped indicates that the tire pressure monitoring system is configured when the activation information of the tire is the tire pressure sensor address, and it is determined whether the tire pressure monitoring system identifier of the vehicle to be equipped indicates that the tire pressure monitoring system is not configured when the activation information of the tire is null.
206. And carrying out data association on the address or the null value of the tire pressure sensor and the corresponding vehicle identification of the automobile to be assembled.
When it is determined in step 205 that the activation information of the vehicle to be assembled corresponds to the information represented by the tire pressure monitoring system identifier of the corresponding vehicle to be assembled, or when it is determined in step 208 and step 209 that the activation information of the vehicle to be assembled corresponds to the information represented by the tire pressure monitoring system identifier of the corresponding vehicle to be assembled through an operator, the vehicle identifier is taken as a frame number for example, and a tire pressure sensor address or a null value obtained when the tire pressure sensor activation device activates a tire is in data association with the frame number of the corresponding vehicle to be assembled, where the data association refers to establishment of a data mapping relationship. For example, the frame number of a certain vehicle to be assembled is subjected to data association with four tire pressure sensor addresses to indicate that the vehicle to be assembled is about to be assembled with the four tires with the tire pressure sensor addresses, or the frame number of a certain vehicle to be assembled is subjected to data association with four null values to indicate that the vehicle to be assembled is about to be assembled with the tires of the four tire pressure sensors.
207. Prompting for a matching error.
When it is determined in step 205 that the activation information of the vehicle to be assembled does not correspond to the information indicated by the tire pressure monitoring system identifier of the corresponding vehicle to be assembled, that is, the tire pressure sensor activation device detects that the tire has the tire pressure sensor address fed back by the tire pressure sensor, and determines that the vehicle to be assembled does not have the tire pressure monitoring system according to the tire pressure monitoring system identifier, that is, the tire pressure sensor should not exist; or the tire pressure sensor activating equipment detects that the tire has no feedback and records a null value, and judges that the automobile to be assembled has a tire pressure monitoring system according to the identification of the tire pressure monitoring system, namely when the tire pressure sensor exists; or when the tire pressure sensor activation equipment monitors that the tire has a feedback value, but the value is other abnormal values, a matching error is prompted, so that an operator finds the error and processes the error.
208. Judging whether the matching error is corrected within a preset time, if not, executing step 210; if the match error is corrected within a predetermined time, step 206 is triggered.
After the matching error is prompted in step 207, the application also presets a preset time for an operator to check and correct the matching error. For example, the operator can directly replace a prepared correct tire to replace the matched wrong tire according to the prompt of the matching error, and correct the error information, so that the address or the null value of the tire pressure sensor is in data association with the corresponding frame number of the automobile to be assembled. The preset time of the step is less than or equal to the conveying time of the tires on the tire conveying line from the activated tire conveying station to the tire assembling station, so that the whole vehicle assembling on the vehicle assembling line is not influenced.
209. Judging whether all the activation information subjected to data association on the tire conveying line is written into a corresponding control module of the currently assembled automobile, if so, executing a step 210; if not, then step 206 is triggered.
After the matching error is prompted in step 207, the embodiment of the present application may further verify that there are tires waiting to be assembled on the tire conveying line by monitoring whether all activation information associated with data on the tire conveying line is written into the control module of the corresponding currently-assembled vehicle, and if not, it is determined that there is time for an operator to check and correct the tire with the matching error. For example, the operator can directly replace a prepared correct tire to replace the matched wrong tire according to the prompt of the matching error, and correct the error information, so that the address or the null value of the tire pressure sensor is in data association with the corresponding frame number of the automobile to be assembled.
210. The tire transfer line is halted.
If step 208 and/or step 209 fail to complete the correction of the mismatching tire under the preset conditions, the tire conveying line is suspended to ensure that the mismatching tire does not flow into the tire assembling station, so as to ensure the quality of the automobile assembly.
211. When the automobile to be assembled serves as the current assembling automobile, the automobile identification of the current assembling automobile is identified, and the tire pressure sensor address associated with the automobile identification data is written into the control module of the current assembling automobile.
After step 206, when the tire to be assembled on the tire conveying line and the corresponding automobile to be assembled which needs to be assembled are both sent to the tire assembling station on the automobile assembling line, that is, the automobile to be assembled is taken as the current assembling automobile, the vehicle identification is taken as the frame number for illustration, the frame number of the current assembling automobile is identified, that is, the tire pressure sensor address associated with the frame number data can be written into the control module of the current assembling automobile, and then the automobile tire pressure monitoring system of the current assembling automobile is activated, so that the current assembling automobile has the automobile monitoring function. It can be seen that, an operator at the tire assembly station only needs to assemble the tire correspondingly, and directly write the corresponding tire pressure sensor address associated with the rack number data into the control module of the currently assembled vehicle, for example, an end of line testing tool (EOL) is used to identify the frame number of the currently assembled vehicle in which the corresponding tire assembly is completed, and obtain the tire pressure sensor address associated with the data according to the frame number and write the tire pressure sensor address and/or the null value into the control module of the currently assembled vehicle, so as to activate the vehicle tire pressure monitoring system of the currently assembled vehicle The rows are activated one by one, and the technical scheme of the embodiment of the application is convenient and fast, and is beneficial to improving the assembly efficiency of the automobile tire.
In the embodiment, a time caching mechanism when the tire activation information on the tire conveying line is inconsistent with the tire pressure sensor identification of the automobile to be assembled is added, namely, the tire on the tire conveying line between the tire activation station on the tire conveying line and the tire assembly station on the automobile assembly line is used as a cache. That is to say, the tire pressure sensor activating device is on the tire conveying line, the actual tire of the automobile to be assembled is assembled on another automobile assembling line, and after the tire pressure sensor activating device activates the tire pressure sensor of the tire on the tire conveying line, in the process of conveying the tire to the tire assembling station of the automobile assembling line, a part of the tire is still buffered between the tire activating station on the tire conveying line and the tire assembling station on the automobile assembling line, so that even if the tire matching error temporarily does not affect the assembling of the tire assembling station on the automobile assembling line to the tire of the currently assembled automobile, the operator can have buffering time to correct the tire with the matching error, and the assembling efficiency of the tire assembling station on the automobile assembling line can be improved.
In the above description of the embodiments of the method for writing an address of a tire pressure sensor of the present application, and in the following description of the apparatus for writing an address of a tire pressure sensor of the present application, please refer to fig. 3, an embodiment of an apparatus for writing an address of a tire pressure sensor includes:
the acquiring unit 301 is configured to acquire an automobile production queue, where the automobile production queue includes production information of an automobile to be assembled and a vehicle identifier;
an activation unit 302, configured to activate tire pressure sensors of tires on the tire conveying line according to a production sequence of the production information;
a recording unit 303, configured to record an address of the tire pressure sensor of the activated tire pressure sensor;
the association unit 304 is configured to perform data association between the tire pressure sensor address and the corresponding vehicle identifier of the automobile to be assembled;
an identification writing unit 305, configured to identify the vehicle identifier of the currently assembled vehicle when the vehicle to be assembled is a currently assembled vehicle, and write the tire pressure sensor address associated with the vehicle identifier data into a control module of the currently assembled vehicle.
In this embodiment, the operation performed by the tire pressure sensor address writing device is similar to the operation performed in the embodiment of fig. 1, and is not repeated herein.
According to the technical scheme, before the tire is mounted on the automobile, an automobile production queue is obtained in advance, the production queue comprises production information of the automobile to be assembled and an automobile identifier, the production information comprises information reflecting the production sequence of the automobile to be assembled, and the automobile identifier is an identifier capable of reflecting the identity of the automobile to be assembled. The technical scheme of this application activates the tire pressure sensor of the tire on the tire transfer chain according to the production order of waiting to assemble the car, because the tire was not installed on the car this moment, the speed of tire activation far more than the tire need be fast round the car tire activation one by one after installing on the car. Specifically, the tire pressure sensor activating equipment is used for activating each tire, the tire pressure sensor address of the activated tire pressure sensor is recorded, the production sequence of the tire on a tire conveying line corresponds to the generation sequence of a vehicle to be transferred (for example, one vehicle to be assembled corresponds to four tires), at this time, the activated tire pressure sensor address can be in data association with the corresponding vehicle identification of the vehicle to be assembled, when the vehicle to be assembled is used as the current assembling vehicle, namely when the vehicle to be assembled is provided with the corresponding tire, the tire pressure sensor address associated with the vehicle identification data can be obtained by identifying the vehicle identification of the current assembling vehicle, and at this time, the corresponding recorded tire pressure sensor address can be directly written into the control module of the current assembling vehicle. It is thus clear that this scheme need not activate the tire pressure sensor of tire and acquire the tire pressure sensor address of this tire one by one round the car after the car has assembled the tire, but give the tire activation earlier and record the tire pressure sensor address of tire before the car assembles the tire, when the car assembles the tire the direct write in corresponding tire pressure sensor address can, the technical scheme of this application embodiment compares with prior art, assembly efficiency is higher.
Referring to fig. 4, another embodiment of a tire pressure sensor writing device according to the present application includes:
the acquiring unit 401 is configured to acquire an automobile production queue, where the automobile production queue includes production information of an automobile to be assembled and a vehicle identifier;
an activation unit 402, configured to activate tire pressure sensors of tires on the tire conveying line according to a production sequence of the production information;
a recording unit 403, configured to record an address of the tire pressure sensor after activation;
an association unit 404, configured to perform data association between the tire pressure sensor address and the corresponding vehicle identifier of the automobile to be assembled;
an identification writing unit 405, configured to identify the vehicle identifier of the currently assembled vehicle when the vehicle to be assembled is used as the currently assembled vehicle, and write the tire pressure sensor address associated with the vehicle identifier data into a control module of the currently assembled vehicle.
Optionally, when the activation unit 402 activates the tire pressure sensors of the tires on the tire conveying line according to the production sequence of the production information, the activation unit is specifically configured to:
distributing the tires to the vehicle to be assembled on the tire conveying line according to the production sequence;
activating the tire on the tire delivery line;
when the recording unit records the address of the tire pressure sensor after activation, the recording unit is specifically used for:
recording activation information of the tire after activation, wherein the activation information comprises an address of a tire pressure sensor of the tire or a null value of the tire.
Optionally, the automobile production queue further comprises a tire pressure monitoring system identifier indicating whether a tire pressure monitoring system is configured, and the vehicle identifier is a frame number; when the associating unit 404 performs data association between the tire pressure sensor address and the corresponding vehicle identifier of the automobile to be assembled, the associating unit is specifically configured to:
judging whether the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured or not;
determining the activation information of the tire corresponding to the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured and the activation information is the tire pressure sensor address, performing data association on the tire pressure sensor address and the corresponding frame number of the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured, and the activation information is the null value, prompting a matching error;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured and the activation information is the null value, performing data association on the null value and the corresponding frame number of the automobile to be assembled;
and if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured, prompting a matching error when the activation information has the address of the tire pressure sensor.
Optionally, the system further comprises:
a determining unit 406, configured to determine whether the matching error is corrected within a preset time;
a triggering unit 407, configured to trigger a step of performing data association between the tire pressure sensor address or the null value and the frame number of the corresponding vehicle to be assembled if the determining unit determines that the matching error is corrected within the preset time;
a suspending unit 408, configured to suspend the tire conveying line if the determining unit determines that the matching error is not corrected within a preset time.
Optionally, the system further comprises:
the judging unit 406 is further configured to judge whether all addresses of the tire pressure sensors performing data association on the tire conveying line are written into the corresponding control module of the currently-assembled vehicle;
a pause unit 408, configured to pause the tire conveying line if yes.
Optionally, when the association unit 404 associates the tire pressure sensor address with the frame number of the corresponding automobile to be assembled, the association unit is specifically configured to:
performing data association on the four tire pressure sensor addresses and the frame number of the corresponding automobile to be assembled;
when the associating unit 404 associates the null value with the frame number of the corresponding automobile to be assembled, the associating unit is specifically configured to:
and carrying out data association on the four null values and the frame number of the corresponding automobile to be assembled.
In this embodiment, the operation performed by the tire pressure sensor address writing device is similar to the operation performed in the embodiment of fig. 2, and is not repeated herein.
In the embodiment, a time caching mechanism when the tire activation information on the tire conveying line is inconsistent with the tire pressure sensor identification of the automobile to be assembled is added, namely, the tire on the tire conveying line between the tire activation station on the tire conveying line and the tire assembly station on the automobile assembly line is used as a cache, so that even if the tire is matched incorrectly temporarily, the assembly of the tire of the automobile to be assembled by the tire assembly station on the automobile assembly line is not influenced, an operator can correct the tire with the wrong matching within the buffering time, and the assembly efficiency of the tire assembly station on the automobile assembly line can be improved.
An embodiment of a tire pressure sensor address writing apparatus is described below, with reference to fig. 5, including:
the tire pressure sensor address writing apparatus 500 may include one or more Central Processing Units (CPUs) 501 and a memory 505, and one or more applications or data are stored in the memory 505. Memory 505 may be volatile storage or persistent storage, among others. The program stored in the memory 505 may include one or more modules, each of which may include a series of instruction operations in the tire pressure sensor address writing apparatus. Still further, the central processor 501 may be provided in communication with the memory 505 to perform a series of instruction operations in the memory 505 on the tire air pressure sensor address writing device 500. The tire pressure sensor-based address writing apparatus 500 may also include one or more power supplies 502, one or more wired or wireless network interfaces 503, one or more input-output interfaces 504, and/or one or more operating systems, such as Windows Server, Mac OS X, Unix, Linux, FreeBSD, etc. The central processing unit 501 may perform the operations in the embodiments shown in fig. 1 or fig. 2, which are not described herein again.
It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application 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 may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application, which are essential or part of the technical solutions contributing to the prior art, or all or part of the technical solutions, may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
Claims (9)
1. A tire pressure sensor address writing method is characterized by comprising the following steps:
obtaining an automobile production queue, wherein the automobile production queue comprises production information and frame numbers of automobiles to be assembled, and the automobiles to be assembled are automobiles without tires;
activating tire pressure sensors of the tires on the tire conveying line according to the production sequence of the production information, wherein the production sequence of the tires on the tire conveying line corresponds to the production sequence of the production information;
recording the address of the tire pressure sensor of the activated tire pressure sensor;
performing data association on the tire pressure sensor address and the frame number of the corresponding automobile to be assembled;
and when the automobile to be assembled serves as a current assembling automobile, identifying the frame number of the current assembling automobile, and writing the tire pressure sensor address associated with the frame number data into a control module of the current assembling automobile.
2. The tire pressure sensor address writing method according to claim 1, wherein the activating the tire pressure sensors of the tires on the tire conveyor line in the production order of the production information includes:
distributing the tires to the vehicle to be assembled on the tire conveying line according to the production sequence;
activating the tire on the tire transfer line;
the recording of the tire pressure sensor address of the tire pressure sensor after activation comprises:
recording activation information of the tire after activation, wherein the activation information comprises an address of a tire pressure sensor of the tire or a null value of the tire.
3. The tire pressure sensor address writing method according to claim 2, wherein the vehicle production queue further includes a tire pressure monitoring system identification indicating whether a tire pressure monitoring system is configured; the data association of the tire pressure sensor address and the corresponding frame number of the automobile to be assembled comprises the following steps:
judging whether the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured or not;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured and the corresponding activation information is the tire pressure sensor address, performing data association between the tire pressure sensor address and the corresponding frame number of the automobile to be assembled;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is configured, prompting a matching error if the corresponding activation information exists as the null value;
if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured and the corresponding activation information is the null value, performing data association on the null value and the corresponding frame number of the automobile to be assembled;
and if the tire pressure monitoring system identification of the automobile to be assembled indicates that a tire pressure monitoring system is not configured, prompting a matching error when the corresponding activation information has the tire pressure sensor address.
4. The tire pressure sensor address writing method according to claim 3, wherein after prompting for a match error, the method further comprises:
judging whether the matching error is corrected within a preset time or not;
if the matching error is corrected within the preset time, triggering a step of carrying out data association on the tire pressure sensor address or the null value and the corresponding frame number of the automobile to be assembled;
and if the matching error is not corrected within the preset time, suspending the tire conveying line.
5. The tire pressure sensor address writing method according to claim 3, wherein after prompting for a match error, the method further comprises:
judging whether the addresses of the tire pressure sensors which are subjected to data association on the tire conveying line are all written into the corresponding control module of the currently assembled automobile;
and if so, suspending the tire conveying line.
6. The tire pressure sensor address writing method according to claim 3, wherein the data association of the tire pressure sensor address with the corresponding frame number of the automobile to be assembled includes:
performing data association on the four tire pressure sensor addresses and the frame number of the corresponding automobile to be assembled;
the data association of the null value and the corresponding frame number of the automobile to be assembled comprises the following steps:
and carrying out data association on the four null values and the frame number of the corresponding automobile to be assembled.
7. A tire pressure sensor address writing device, comprising:
the system comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring an automobile production queue, the automobile production queue comprises production information and a frame number of an automobile to be assembled, and the automobile to be assembled is an automobile without tires;
the activation unit is used for activating tire pressure sensors of the tires on the tire conveying line according to the production sequence of the production information, and the production sequence of the tires on the tire conveying line corresponds to the production sequence of the production information;
the recording unit is used for recording the addresses of the tire pressure sensors of the activated tire pressure sensors;
the association unit is used for carrying out data association on the tire pressure sensor address and the frame number of the corresponding automobile to be assembled;
and the identification writing unit is used for identifying the frame number of the currently assembled automobile when the automobile to be assembled is used as the currently assembled automobile, and writing the tire pressure sensor address associated with the frame number data into the control module of the currently assembled automobile.
8. A tire pressure sensor address writing apparatus, comprising:
the system comprises a processor, a memory, a bus and input and output equipment;
the processor is connected with the memory and the input and output equipment;
the bus is respectively connected with the processor, the memory and the input and output equipment;
the processor performs the method of any one of claims 1 to 6.
9. A computer storage medium having stored therein instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 6.
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| CN202010752326.5A CN111873722B (en) | 2020-07-30 | 2020-07-30 | Tire pressure sensor address writing method and related device thereof |
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| CN112874247A (en) * | 2021-01-28 | 2021-06-01 | 中国第一汽车股份有限公司 | Online tire pressure matching system and control method thereof |
| CN114407585B (en) * | 2022-01-24 | 2024-04-02 | 深圳市元征科技股份有限公司 | Tire pressure sensor address writing method and device, electronic equipment and storage medium |
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