CN113619334A - Tire pressure sensor matching system - Google Patents
Tire pressure sensor matching system Download PDFInfo
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- CN113619334A CN113619334A CN202111069343.XA CN202111069343A CN113619334A CN 113619334 A CN113619334 A CN 113619334A CN 202111069343 A CN202111069343 A CN 202111069343A CN 113619334 A CN113619334 A CN 113619334A
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- Prior art keywords
- tire pressure
- pressure sensor
- matching system
- tire
- radio frequency
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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
- B60C23/0479—Communicating with external units being not part of the vehicle, e.g. tools for diagnostic, mobile phones, electronic keys or service stations
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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
Abstract
The invention discloses a tire pressure sensor matching system which comprises a tire pressure sensor matching system, an industrial personal computer, a display and OBD communication, wherein the OBD communication and the tire pressure sensor matching system are connected with a tire pressure monitoring system in an automobile tire, the industrial personal computer is in communication connection with the tire pressure sensor matching system and the OBD, and the display is in communication connection with the OBD. The invention solves the problem of processing a large number of tire pressure sensor signals in the matching process of the tire pressure monitoring system, quickly establishes the matching of the tire pressure sensor and the tire position information, and improves the tire pressure calibration efficiency and the success rate.
Description
Technical Field
The invention relates to the technical field of automobile tire pressure monitoring, in particular to a tire pressure sensor matching system.
Background
The Tire Pressure Monitoring System (TPMS) is a module that is installed in each Tire to measure the Pressure and temperature of the Tire during driving or in a stationary state, so as to realize the mobile real-time start-up of the automobile, enter the System self-check and automatic wake-up, automatically and intelligently determine the detection time period according to the movement speed when the automobile is driven at a high speed, and modulate the measured signals and then transmit the signals through high-frequency radio waves (RF). The central monitor installed on the whole vehicle receives the signal transmitted by the TPMS monitoring module, the pressure and temperature data of each tire are displayed on the whole vehicle instrument or screen for the driver to refer to, the tire pressure monitoring system needs to perform matching learning before the whole vehicle leaves the factory, and the wireless sensor in each tire is bound with the tire position, namely: the signal from each tire pressure sensor can be accurately displayed in the vehicle meter or screen.
In the process of implementing the embodiment of the present invention, the inventors found that: in the existing tire pressure sensor matching process, a tire pressure monitoring system can receive high-frequency signals of all tire pressure sensors nearby, so that the tire pressure monitoring system is difficult to match the tire pressure sensors with tire positions, and the problem of learning failure is caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a tire pressure sensor matching system,
the system includes tire pressure sensor matching system, industrial computer, display, OBD communication, tire pressure sensor matching system all are connected with the interior tire pressure monitoring system of automobile tire, the industrial computer with tire pressure sensor matching system, OBD communication are connected, the display with the OBD communication is connected.
Preferably, the tire pressure sensor matching system comprises an awakening device and an auxiliary sensor, wherein the awakening device is used for low-frequency awakening of the tire pressure sensors in the tire pressure monitoring system in 4 tires of a pair of vehicles one by one, the awakening device adopts a tire pressure trigger device with a frequency far greater than the awakening frequency of the tire pressure sensors per se, a high-frequency tire pressure awakening signal is sent in a very short time, the tire pressure sensors are awakened each time and send radio frequency signals to the outside, and the radio frequency signals contain tire pressure information;
the auxiliary sensor is used for synchronously capturing radio frequency signals sent when the tire pressure sensor wakes up, and the auxiliary sensor captures and stores all the radio frequency signals nearby during the period of waking up of the tire pressure sensor and feeds the radio frequency signals back to the industrial personal computer.
Preferably, the industrial computer passes through the OBD communication is connected with whole car, with tire pressure sensor matching system establishes the communication, control awakening device with the auxiliary sensor operation is right tire pressure information that auxiliary sensor obtained stores, analyzes, writes in.
Preferably, the display is used for displaying the communication information and the result of the OBD communication in real time, and the OBD communication is used for displaying the analyzed tire pressure information in real time through the display.
Preferably, the tire pressure sensor matching system performs screening analysis on all captured tire pressure information, because the awakening device in the tire pressure sensor matching system performs high-frequency awakening on the tire pressure sensor to be matched, the radio-frequency signal sent by the tire pressure sensor is a group of signals with the highest repetition rate in all received signals, the signals are matched tire pressure sensor signals, and finally, the tire pressure information writing is completed through the communication between the auxiliary sensor and the vehicle electronic control unit and the tire pressure sensors mounted on the wheels, so that the matching efficiency and the qualification rate are improved.
Preferably, the tire pressure monitoring system comprises a remote tire pressure monitoring module installed on an automobile tire and a central monitor installed on an automobile driving platform, the tire pressure sensor is arranged in the tire pressure monitoring module, the tire pressure sensor is a tire pressure sensor with pressure, temperature, acceleration, voltage detection and post-signal processing ASIC chip combination, and the tire pressure monitoring module further comprises a single chip microcomputer, an RF radio frequency transmitting chip, a lithium secondary battery and an antenna.
Preferably, the tire pressure sensor is arranged on a rim of an automobile, the tire pressure sensor is powered by a lithium sub-battery arranged on the tire pressure sensor, the single chip microcomputer converts tire pressure, temperature, acceleration and voltage information collected by the tire pressure sensor into high-frequency signals through the RF radio frequency transmitting chip in the running process of the automobile, the high-frequency signals are transmitted outwards through the antenna, and after the tire pressure monitoring system receives the high-frequency signals, the high-frequency signals are converted into readable tire pressure values for people and then transmitted to the central monitor to be displayed.
The invention has the beneficial effects
(1) According to the invention, the triggering distance and the frequency adjustable tire pressure triggering equipment are arranged in the tire pressure sensor matching system, the low-frequency wake-up signal sent by the equipment only acts on the tire pressure sensor to be matched by setting the proper triggering distance, the other tire pressure sensors nearby cannot be woken up, and the ultra-high signal sending frequency is used for promoting the frequency of the tire pressure signal sent by the tire pressure sensor to be matched to be far greater than the frequency of signal sending during automatic wake-up.
(2) The invention utilizes the high-frequency signal sent by the tire pressure sensor to be matched and the frequency of the tire pressure signal which is automatically awakened under natural conditions to carry out data analysis and processing, the auxiliary sensor in the tire pressure sensor matching system carries out repeatability analysis on the received signal, the signal with the most number of repetitions is the signal of the tire pressure sensor to be matched, and the signal and the tire position information are written into the tire pressure monitoring system to complete the tire pressure matching.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present invention provides a tire pressure sensor matching system,
the system comprises a tire pressure sensor matching system, an industrial personal computer, a display and an OBD communication, wherein the OBD communication and the tire pressure sensor matching system are connected with a tire pressure monitoring system in an automobile tire, the industrial personal computer is in communication connection with the tire pressure sensor matching system and the OBD, the display is in communication connection with the OBD,
the tire pressure monitoring system comprises a remote tire pressure monitoring module arranged on an automobile tire, a central monitor arranged on an automobile driving platform, a tire pressure sensor arranged in the tire pressure monitoring module, a singlechip, an RF (radio frequency) transmitting chip, a Li sub-battery and an antenna, wherein the tire pressure sensor is a tire pressure sensor with the combination of pressure, temperature, acceleration, voltage detection and post-signal processing ASIC (application specific integrated circuit) chips, the tire pressure monitoring module also comprises a singlechip, an RF (radio frequency) transmitting chip, a Li sub-battery and an antenna, the tire pressure sensor is arranged on an automobile rim, the Li sub-battery arranged on the tire pressure sensor supplies power to the tire pressure sensor, and in the running process of an automobile, the singlechip converts the tire pressure, temperature, acceleration and voltage information collected by the tire pressure sensor into high-frequency signals through the RF transmitting chip and transmits the high-frequency signals outwards through the antenna, when the tire pressure monitoring system receives the high-frequency signals, the high-frequency signals are converted into human readable tire pressure values, and then the human readable tire pressure values are transmitted to the central monitor to be displayed;
the tire pressure sensor matching system comprises an awakening device and an auxiliary sensor, wherein the awakening device is used for awakening the tire pressure sensors in the tire pressure monitoring system at a low frequency in 4 tires of a pair of vehicles one by one, the awakening device adopts a tire pressure trigger device with a frequency far greater than the awakening frequency of the tire pressure sensors per se, a high-frequency tire pressure awakening signal is sent in a very short time, the tire pressure sensors are awakened each time to send a radio frequency signal to the outside, and the radio frequency signal contains tire pressure information;
the auxiliary sensor is used for synchronously capturing radio frequency signals sent when the tire pressure sensor is awakened, the auxiliary sensor captures and stores all radio frequency signals nearby the awakening period of the tire pressure sensor and feeds back the radio frequency signals to the industrial personal computer, the industrial personal computer is connected with the whole vehicle through OBD communication and establishes communication with the tire pressure sensor matching system to control the awakening device and the auxiliary sensor to operate and store, analyze and write in tire pressure information acquired by the auxiliary sensor, the display is used for displaying communication information and results of the OBD communication in real time, the OBD communication displays the analyzed tire pressure information in real time through the display, the tire pressure sensor matching system performs screening analysis on all captured tire information, and the tire pressure sensor to be matched is awakened at a high frequency by the awakening device in the tire pressure sensor matching system, the radio frequency signals sent by the tire pressure sensor are a group of signals with the highest repetition rate in all the received signals, the signals are matched tire pressure sensor signals, and finally, the tire pressure information is written in through the communication of the auxiliary sensor, the vehicle electronic control unit and the tire pressure sensors arranged on wheels, so that the matching efficiency and the qualification rate are improved;
according to the invention, the triggering distance and the frequency adjustable tire pressure triggering equipment are arranged in the tire pressure sensor matching system, the low-frequency wake-up signal sent by the equipment only acts on the tire pressure sensor to be matched by setting the proper triggering distance, other nearby tire pressure sensors cannot be woken up, and the ultra-high signal sending frequency is used for promoting the frequency of the tire pressure signal sent by the tire pressure sensor to be matched to be far greater than the frequency of signal sending during automatic wake-up;
the invention utilizes the high-frequency signal sent by the tire pressure sensor to be matched and the frequency of the tire pressure signal which is automatically awakened under natural conditions to carry out data analysis and processing, the auxiliary sensor in the tire pressure sensor matching system carries out repeatability analysis on the received signal, the signal with the most number of repetitions is the signal of the tire pressure sensor to be matched, and the signal and the tire position information are written into the tire pressure monitoring system to complete the tire pressure matching.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A tire pressure sensor matching system is characterized in that,
the system includes tire pressure sensor matching system, industrial computer, display, OBD communication, tire pressure sensor matching system all are connected with the interior tire pressure monitoring system of automobile tire, the industrial computer with tire pressure sensor matching system, OBD communication are connected, the display with the OBD communication is connected.
2. The tire pressure sensor matching system of claim 1,
the tire pressure sensor matching system comprises an awakening device and an auxiliary sensor, wherein the awakening device is used for awakening the tire pressure sensors in the tire pressure monitoring system at a low frequency in 4 tires of a pair of vehicles one by one, the awakening device adopts a tire pressure trigger device with a frequency far greater than the awakening frequency of the tire pressure sensors per se, a high-frequency tire pressure awakening signal is sent in a very short time, the tire pressure sensors are awakened each time to send a radio frequency signal to the outside, and the radio frequency signal contains tire pressure information;
the auxiliary sensor is used for synchronously capturing radio frequency signals sent when the tire pressure sensor wakes up, and the auxiliary sensor captures and stores all the radio frequency signals nearby during the period of waking up of the tire pressure sensor and feeds the radio frequency signals back to the industrial personal computer.
3. The tire pressure sensor matching system of claim 1,
the industrial computer is connected with the whole vehicle through the OBD communication, establishes communication with the tire pressure sensor matching system, controls the awakening device and the auxiliary sensor to operate, and stores, analyzes and writes in tire pressure information acquired by the auxiliary sensor.
4. The tire pressure sensor matching system of claim 1,
the display is used for displaying the communication information and the result of the OBD communication in real time, and the OBD communication enables the analyzed tire pressure information to be displayed in real time through the display.
5. The tire pressure sensor matching system of claim 1,
the tire pressure sensor matching system performs screening analysis on all captured tire pressure information, the awakening device in the tire pressure sensor matching system wakes up the tire pressure sensors to be matched at high frequency, the radio frequency signals sent by the tire pressure sensors are a group of signals with the highest repetition rate in all received signals, the signals are matched tire pressure sensor signals, and finally, the auxiliary sensors are communicated with the vehicle electronic control unit and the tire pressure sensors arranged on wheels to complete tire pressure information writing, so that the matching efficiency and the qualified rate are improved.
6. The tire pressure sensor matching system of claim 1,
the tire pressure monitoring system comprises a remote tire pressure monitoring module arranged on an automobile tire and a central monitor arranged on an automobile driving platform, wherein the tire pressure sensor is arranged in the tire pressure monitoring module, the tire pressure sensor is a tire pressure sensor with pressure, temperature, acceleration, voltage detection and post-signal processing ASIC chip combination, and the tire pressure monitoring module further comprises a single chip microcomputer, an RF (radio frequency) transmitting chip, a lithium secondary battery and an antenna.
7. The tire pressure sensor matching system of claim 6,
the tire pressure sensor is arranged on a rim of an automobile, the lithium sub-battery arranged on the tire pressure sensor supplies power to the tire pressure sensor, the single chip microcomputer converts tire pressure, temperature, acceleration and voltage information collected by the tire pressure sensor into high-frequency signals through the RF radio frequency transmitting chip in the running process of the automobile, the high-frequency signals are transmitted outwards through the antenna, and after the tire pressure monitoring system receives the high-frequency signals, the high-frequency signals are converted into readable tire pressure values by people and then transmitted to the central monitor to be displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111069343.XA CN113619334A (en) | 2021-09-13 | 2021-09-13 | Tire pressure sensor matching system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111069343.XA CN113619334A (en) | 2021-09-13 | 2021-09-13 | Tire pressure sensor matching system |
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| CN113619334A true CN113619334A (en) | 2021-11-09 |
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| CN202111069343.XA Pending CN113619334A (en) | 2021-09-13 | 2021-09-13 | Tire pressure sensor matching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366588A (en) * | 2022-08-30 | 2022-11-22 | 铁将军汽车电子股份有限公司 | Tire pressure sensor positioning method, system and device |
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