CN109532354A - Tire pressure monitoring system and tyre pressure sensor recognition positioning method - Google Patents
Tire pressure monitoring system and tyre pressure sensor recognition positioning method Download PDFInfo
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- CN109532354A CN109532354A CN201811569783.XA CN201811569783A CN109532354A CN 109532354 A CN109532354 A CN 109532354A CN 201811569783 A CN201811569783 A CN 201811569783A CN 109532354 A CN109532354 A CN 109532354A
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- Prior art keywords
- pressure sensor
- rotational frequency
- tyre
- tyre pressure
- frequency
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Classifications
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of tire pressure monitoring systems, tyre pressure sensor including being separately mounted to four tires, the tire pressure receiving module of installation in the car, the tyre pressure sensor real-time detection tyre rotation frequency, the tyre rotation frequency and self ID that the tyre pressure sensor will test persistently are sent to tire pressure receiving module, steering system steering angle sensor sends CAN bus for steering angle information in real time, the tire pressure receiving module real-time reception steering angle information and tyre rotation frequency, it is described that rotational frequency storage table and real-time update rotational frequency storage table are established to four tyre pressure sensors in real time, the identification of four tyre pressure sensors is positioned by default identification locating rule according to the rotational frequency storage table when predetermined angle steering occur and then trigger tire pressure receiving module.The invention also discloses a kind of tyre pressure sensor recognition positioning methods.The present invention is able to achieve tyre pressure sensor Rapid matching under conditions of without using Special station, specific purpose tool and professional.
Description
Technical field
The present invention relates to automotive fields, supervise more particularly to a kind of tire pressure of energy automatic identification positioning tyre pressure sensor position
Examining system.The invention further relates to a kind of tyre pressure sensor recognition positioning methods.
Background technique
System for monitoring pressure in tyre (Tire Pressure Monitoring System, TPMS) is a kind of using wireless
Transmission technology, using the high-sensitivity miniature wireless sensing device being fixed in automobile tire driving or it is static in the state of adopt
Collect the data such as automotive tire pressure, temperature, and transfer data to and drive in indoor host, is shown in real time in the form of digitized
Show the related datas such as automotive tire pressure and temperature, and when tire occurs abnormal (pre- runflat) in the form of buzzing or voice etc.
Driver is reminded to carry out the automobile active safety system of early warning.So that it is guaranteed that the pressure and temperature of tire maintains critical field
It is interior, the probability for reducing tire of blowing out, ruin is played, the damage of oil consumption and vehicle part is reduced.
System for monitoring pressure in tyre needs the tire pressure detection sensor progress to each tire after being installed to vehicle tyre
Match, matching includes but is not limited to: identification tyre pressure sensor installation site, identification tyre pressure sensor ID, tyre pressure sensor and tire pressure
Receiving module communication etc..Existing TPMS location matches use the pre- typing of sensor ID, and position identification is carried out using handheld device
Line identification, existing TPMS system matches mainly have the disadvantages that
1, be written receiver ID sensor whether with this vehicle installation sensor there are different phenomenon, cause to report by mistake
It is alert；
2, it can not determine whether the id information for being written to controller has repetition；
If can not prompt operator before vehicle is offline after 3, learning matching error, coming into the market causes client to throw
It tells；
4, matching needs to configure special tool after sale；
5, existing match time is longer, needs ten minutes or longer.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of tire pressure monitoring systems for being able to achieve tyre pressure sensor Rapid matching
System.
The present invention also provides a kind of tyre pressure sensor recognition positioning methods for being able to achieve tyre pressure sensor Rapid matching.
In order to solve the above technical problems, tire pressure monitoring system provided by the invention, including being separately mounted to four tires
Tyre pressure sensor installs tire pressure receiving module in the car, the tyre pressure sensor real-time detection tyre rotation frequency, the tire
The tyre rotation frequency and self ID that pressure sensor will test persistently are sent to tire pressure receiving module, steering system steering angle
Sensor sends CAN bus for steering angle information in real time, the tire pressure receiving module real-time reception steering angle information and
Tyre rotation frequency, the tire pressure receiving module establish rotational frequency storage table and real-time update to four tyre pressure sensors in real time
Rotational frequency storage table then triggers tire pressure receiving module according to the rotational frequency storage table by pre- when there is predetermined angle steering
If identifying locating rule to four tyre pressure sensor identification positioning.
It is further improved the tire pressure monitoring system, the tyre pressure sensor sends tyre rotation frequency from the basic point
Rate and self ID to tire pressure receiving module continue at least 3 minutes.
It is further improved the tire pressure monitoring system, the tyre pressure sensor transmits tyre rotation frequency by high-frequency signal
Rate and self ID, the high-frequency signal frequency range is 300MHz-450MHz.
It is further improved the tire pressure monitoring system, the rotational frequency storage table stores following data:
1) tyre pressure sensor ID；
2) each tyre pressure sensor is to the first two rotational frequency and to latter two rotational frequency；It is described to rotate frequency to the first two
Rate and be to be transferred from stored rotational frequency with executing predetermined angle and turning to as basic point to latter two rotational frequency；
3) each tyre pressure sensor feature rotational frequency, the tyre pressure sensor feature rotational frequency are forwardly and rearwardly four
A rotational frequency average value；
4) four tyre pressure sensor feature rotational frequency sequences.
It is further improved the tire pressure monitoring system, the predetermined angle a range is | ± a | 10 ° of >.
It is further improved the tire pressure monitoring system, the default identification locating rule includes
If 10 ° of a > (the practical calibration test of different automobile types), vehicle turns left, and judges rotational frequency minimum tyre pressure sensor position
In the near front wheel, judge that rotational frequency maximum tyre pressure sensor is located at off hind wheel；
Vehicle is turned left curved, and the near front wheel travel distance is most short, and speed is minimum, it can be determined that rotational frequency is the smallest at this time
Sensor is in the near front wheel position；Off hind wheel travel distance longest, speed are maximum, it can be determined that rotational frequency is maximum at this time
Sensor be in off hind wheel position.
If < -10 ° of a (the practical calibration test of different automobile types), vehicle is turned right, and judges rotational frequency minimum tyre pressure sensor position
In off-front wheel, judge that rotational frequency maximum tyre pressure sensor is located at left rear wheel.
Vehicle is turned right curved, and off-front wheel travel distance is most short, and speed is minimum, it can be determined that rotational frequency is the smallest at this time
Sensor is in off-front wheel position；Left rear wheel travel distance longest, speed are maximum, it can be determined that rotational frequency is maximum at this time
Sensor be in left rear wheel position.
The present invention provides a kind of tyre pressure sensor recognition positioning method, comprising the following steps:
1) each tyre rotation frequency of real-time detection and steering angle；
2) tire pressure receiving module generates the rotational frequency storage table of real-time update；Storage in the rotational frequency storage table: tire
Pressure sensor ID, for each tyre pressure sensor to the first two rotational frequency and to latter two rotational frequency, each tyre pressure sensor is special
Levy rotational frequency and four tyre pressure sensor feature rotational frequency sequences；
Described is to execute predetermined angle and turn to for basic point, to the first two rotational frequency and to latter two rotational frequency
It is transferred in the rotational frequency of storage；
The tyre pressure sensor feature rotational frequency is that forwardly and rearwardly four rotational frequencies are average for each tyre pressure sensor
Value；
3) make vehicle execute predetermined angle to turn to；
4) tire pressure receiving module senses four tire pressures by default identification locating rule according to the rotational frequency storage table
Device identification positioning.
It is further improved the tyre pressure sensor recognition positioning method, the tyre pressure sensor is sent from the basic point
Tyre rotation frequency and self ID to tire pressure receiving module continue at least 3 minutes.
It is further improved the tyre pressure sensor recognition positioning method, the tyre pressure sensor is transmitted by high-frequency signal
Tyre rotation frequency and self ID.
It is further improved the tyre pressure sensor recognition positioning method, the high-frequency signal frequency range is 300MHz-
450MHz。
It is further improved the tyre pressure sensor recognition positioning method, the predetermined angle a range is | ± a | 10 ° of >.
It is further improved the tyre pressure sensor recognition positioning method, the default identification locating rule includes；
If 10 ° of a >, vehicle turns left, judges that rotational frequency minimum tyre pressure sensor is located at the near front wheel, judge rotational frequency most
Big tyre pressure sensor is located at off hind wheel；
If < -10 ° of a, vehicle is turned right, judges that rotational frequency minimum tyre pressure sensor is located at off-front wheel, judge rotational frequency
Maximum tyre pressure sensor is located at left rear wheel.
Present invention efficiently solves the offline study matchings of existing TPMS system to need special station, dedicated tool and specially
The defect of door personnel is avoided that it fails to match for offline study, and the present invention at least has following technical effect that
1, the present invention does not need special station and learns and match, and does not need special matching tool, does not need professional behaviour
Make personnel, specified go to action is executed after tyre pressure sensor installation according to default identification locating rule and is able to achieve tyre pressure sensor
Matching (ID identification, position identification etc.).
2, receiving module does not need to prestore tyre pressure sensor ID, prevents leakage matching by the way of transmission log ID and ID is missed
Matching problem reduces TPMS system false alarm.
3, operation of the present invention is easy, and quickly, the scope of application not only includes that new car also includes the used car for updating TPMS for identification.
Detailed description of the invention
Present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is schematic structural view of the invention.
Description of symbols
A, B, C, D are separately mounted on the tire pressure monitoring sensor of four tires
J is tire pressure receiving module
L is the radiofrequency signal that tire pressure monitoring sensor is sent
K is vehicle-mounted CAN bus
I is steering system rotary angle transmitter
Specific embodiment
As shown in Figure 1, one embodiment of tire pressure monitoring system provided by the invention, the tire including being separately mounted to four tires
Pressure sensor installs tire pressure receiving module in the car, the tyre pressure sensor real-time detection tyre rotation frequency, the tire pressure
The tyre rotation frequency and self ID that sensor will test use 300MHz-450MHz (such as 315MHz or 433.92MHz)
High-frequency signal be persistently sent to tire pressure receiving module, steering system steering angle sensor in real time sends steering angle information
To CAN bus, the tire pressure receiving module real-time reception steering angle information and tyre rotation frequency, the tire pressure receiving module
Rotational frequency storage table and real-time update rotational frequency storage table are established to four tyre pressure sensors in real time, when there is predetermined angle
Steering then triggers tire pressure receiving module and is sensed by default identification locating rule to four tire pressures according to the rotational frequency storage table
Device identification positioning.Wherein, the tyre pressure sensor sends tyre rotation frequency and self ID to tire pressure from the basic point and receives
Module continues at least 3 minutes.
The rotational frequency storage table stores following data:
1) tyre pressure sensor ID；
2) each tyre pressure sensor is to the first two rotational frequency and to latter two rotational frequency；
3) each tyre pressure sensor feature rotational frequency, the tyre pressure sensor feature rotational frequency are forwardly and rearwardly four
A rotational frequency average value；Described is to execute predetermined angle steering and be to the first two rotational frequency and to latter two rotational frequency
Basic point is transferred from stored rotational frequency；
4) four tyre pressure sensor feature rotational frequency sequences.
With reference to following table 1, one possible embodiments of tyre pressure sensor rotational frequency storage table；
Table 1
The predetermined angle a range is | ± a | 10 ° of >, the default identification locating rule includes:
If 10 ° of a >, vehicle turns left, judges that rotational frequency minimum tyre pressure sensor is located at the near front wheel, judge rotational frequency most
Big tyre pressure sensor is located at off hind wheel；
If < -10 ° of a, vehicle is turned right, judges that rotational frequency minimum tyre pressure sensor is located at off-front wheel, judge rotational frequency
Maximum tyre pressure sensor is located at left rear wheel.
The present invention provides a kind of one embodiment of tyre pressure sensor recognition positioning method, comprising the following steps:
1) each tyre rotation frequency of real-time detection and steering angle；
2) tire pressure receiving module generates the rotational frequency storage table of real-time update；
Storage in the rotational frequency storage table: tyre pressure sensor ID, each tyre pressure sensor to the first two rotational frequency and
To latter two rotational frequency, each tyre pressure sensor feature rotational frequency and four tyre pressure sensor feature rotational frequency sequences；
The possible embodiments of rotational frequency storage table refer to above-mentioned table 1.
Described is to execute predetermined angle and turn to for basic point, to the first two rotational frequency and to latter two rotational frequency
It is transferred in the rotational frequency of storage；
The tyre pressure sensor feature rotational frequency is that forwardly and rearwardly four rotational frequencies are average for each tyre pressure sensor
Value；
3) so that vehicle is executed predetermined angle and turn to a, predetermined angle a range is | ± a | 10 ° of >；
4) tire pressure receiving module senses four tire pressures by default identification locating rule according to the rotational frequency storage table
Device identification positioning.The tyre pressure sensor sends tyre rotation frequency and self ID to tire pressure receiving module from the basic point and holds
Continuous at least 3 minutes, the tyre pressure sensor by high-frequency signal transmission tire rotational frequency and self ID to tire pressure receiving module,
The high-frequency signal frequency range is 300MHz-450MHz (such as 315MHz or 433.92MHz).
Wherein, the default identification locating rule includes；
If 10 ° of a >, vehicle turns left, judges that rotational frequency minimum tyre pressure sensor is located at the near front wheel, judge rotational frequency most
Big tyre pressure sensor is located at off hind wheel；
If < -10 ° of a, vehicle is turned right, judges that rotational frequency minimum tyre pressure sensor is located at off-front wheel, judge rotational frequency
Maximum tyre pressure sensor is located at left rear wheel.
Above by specific embodiment and embodiment, invention is explained in detail, but these are not composition pair
Limitation of the invention.Without departing from the principles of the present invention, those skilled in the art can also make many deformations and change
Into these also should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of tire pressure monitoring system, the tyre pressure sensor including being separately mounted to four tires, the tire pressure installed in the car connect
Receive module, it is characterised in that:
The tyre pressure sensor real-time detection tyre rotation frequency, tyre rotation frequency that the tyre pressure sensor will test and
Self ID is persistently sent to tire pressure receiving module, and steering system steering angle sensor in real time sends steering angle information to
CAN bus, the tire pressure receiving module real-time reception steering angle information and tyre rotation frequency, the tire pressure receiving module are real
When rotational frequency storage table and real-time update rotational frequency storage table are established to four tyre pressure sensors, turn when there is predetermined angle
To then trigger tire pressure receiving module according to the rotational frequency storage table by default identification locating rule to four tyre pressure sensors
Identification positioning.
2. tire pressure monitoring system as described in claim 1, it is characterised in that: the tyre pressure sensor is sent from the basic point
Tyre rotation frequency and self ID to tire pressure receiving module continue at least 3 minutes.
3. tire pressure monitoring system as described in claim 1, it is characterised in that: the tyre pressure sensor is transmitted by high-frequency signal
Tyre rotation frequency and self ID.
4. tire pressure monitoring system as claimed in claim 3, it is characterised in that: the high-frequency signal frequency range is 300MHz-
450MHz。
5. tire pressure monitoring system as described in claim 1, it is characterised in that: the following number of rotational frequency storage table storage
According to:
1) tyre pressure sensor ID；
2) each tyre pressure sensor is to the first two rotational frequency and to latter two rotational frequency；It is described to the first two rotational frequency and
It is to be transferred from stored rotational frequency with executing predetermined angle and turning to as basic point to latter two rotational frequency；
3) each tyre pressure sensor feature rotational frequency, the tyre pressure sensor feature rotational frequency are forwardly and rearwardly four turns
Dynamic frequency average value；
4) four tyre pressure sensor feature rotational frequency sequences.
6. tire pressure monitoring system as described in claim 1, it is characterised in that: the predetermined angle a range is | ± a | 10 ° of >.
7. tire pressure monitoring system as claimed in claim 6, it is characterised in that: the default identification locating rule includes:
If 10 ° of a >, vehicle turns left, judges that rotational frequency minimum tyre pressure sensor is located at the near front wheel, judge rotational frequency maximum tire
Pressure sensor is located at off hind wheel；
If < -10 ° of a, vehicle is turned right, and judges that rotational frequency minimum tyre pressure sensor is located at off-front wheel, rotational frequency maximum is judged
Tyre pressure sensor is located at left rear wheel.
8. a kind of tyre pressure sensor recognition positioning method, which comprises the following steps:
1) each tyre rotation frequency of real-time detection and steering angle；
2) tire pressure receiving module generates the rotational frequency storage table of real-time update；Storage in the rotational frequency storage table: tire pressure passes
Sensor ID, to the first two rotational frequency and to latter two rotational frequency, each tyre pressure sensor feature turns each tyre pressure sensor
Dynamic frequency and four tyre pressure sensor feature rotational frequency sequences；
Described is to execute predetermined angle and turn to as basic point, from having stored to the first two rotational frequency and to latter two rotational frequency
Rotational frequency in transfer；
The tyre pressure sensor feature rotational frequency is each tyre pressure sensor forwardly and rearwardly four rotational frequency average value；
3) make vehicle execute predetermined angle to turn to；
4) tire pressure receiving module knows four tyre pressure sensors by default identification locating rule according to the rotational frequency storage table
It does not position.
9. tyre pressure sensor recognition positioning method as claimed in claim 8, it is characterised in that: the tyre pressure sensor is from the basic point
It plays transmission tyre rotation frequency and self ID to tire pressure receiving module continues at least 3 minutes.
10. tyre pressure sensor recognition positioning method as claimed in claim 8, it is characterised in that: the tyre pressure sensor passes through high frequency
Signal transmits tire rotational frequency and self ID.
11. tyre pressure sensor recognition positioning method as claimed in claim 8, it is characterised in that: the high-frequency signal frequency range is
300MHz-450MHz。
12. tyre pressure sensor recognition positioning method as claimed in claim 8, it is characterised in that: the predetermined angle a range is
| ± a | 10 ° of >.
13. tyre pressure sensor recognition positioning method as claimed in claim 8, it is characterised in that: the default identification positioning rule
Then include；
If 10 ° of a >, vehicle turns left, judges that rotational frequency minimum tyre pressure sensor is located at the near front wheel, judge rotational frequency maximum tire
Pressure sensor is located at off hind wheel；
If < -10 ° of a, vehicle is turned right, and judges that rotational frequency minimum tyre pressure sensor is located at off-front wheel, rotational frequency maximum is judged
Tyre pressure sensor is located at left rear wheel.
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| CN201811569783.XA CN109532354A (en) | 2018-12-21 | 2018-12-21 | Tire pressure monitoring system and tyre pressure sensor recognition positioning method |
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| CN201811569783.XA CN109532354A (en) | 2018-12-21 | 2018-12-21 | Tire pressure monitoring system and tyre pressure sensor recognition positioning method |
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| CN109532354A true CN109532354A (en) | 2019-03-29 |
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| CN201811569783.XA Pending CN109532354A (en) | 2018-12-21 | 2018-12-21 | Tire pressure monitoring system and tyre pressure sensor recognition positioning method |
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| CN112959860A (en) * | 2021-03-09 | 2021-06-15 | 深圳市道通科技股份有限公司 | Tire pressure sensor information processing method, device and equipment |
| US11285765B2 (en) * | 2019-12-09 | 2022-03-29 | Bendix Commercial Vehicle Systems Llc | Method for auto-locating positions of a plurality of wireless sensors on a vehicle and an apparatus therefor |
| CN114327528A (en) * | 2022-02-28 | 2022-04-12 | 万通智控科技股份有限公司 | Programming method, replacing method and device of tire pressure sensing device |
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Cited By (4)
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| US11285765B2 (en) * | 2019-12-09 | 2022-03-29 | Bendix Commercial Vehicle Systems Llc | Method for auto-locating positions of a plurality of wireless sensors on a vehicle and an apparatus therefor |
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Application publication date: 20190329 |