CN104228491B - Matching method, equipment and system of tire pressure monitoring system - Google Patents
Matching method, equipment and system of tire pressure monitoring system Download PDFInfo
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- CN104228491B CN104228491B CN201410395717.0A CN201410395717A CN104228491B CN 104228491 B CN104228491 B CN 104228491B CN 201410395717 A CN201410395717 A CN 201410395717A CN 104228491 B CN104228491 B CN 104228491B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 94
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- 238000001514 detection method Methods 0.000 claims description 26
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Abstract
The invention discloses a matching method, equipment and system of a tire pressure monitoring system, belonging to the field of active safety of automobiles. The method comprises the following steps: detecting whether a wireless signal of a first tire pressure sensor is received in a preset time interval, wherein the first tire pressure sensor is any one of preset tire pressure sensors in a vehicle; detecting whether a wireless signal of a second tire pressure sensor which meets the preset conditions is received in the preset time interval, wherein the second tire pressure sensor is different from the preset tire pressure sensors in the vehicle; and replacing the data carried by the wireless signal of the first tire pressure sensor by using data carried by the wireless signal of the second tire pressure sensor which meets the preset conditions when the wireless signal of the first tire pressure sensor is not received in a first preset time threshold and the wireless signal of the second tire pressure sensor which meets the preset conditions is received. According to the matching method, equipment and system of the tire pressure monitoring system, which are disclosed by the invention, the problems that the matching process of the tire pressure monitoring system is complicated and the time consumption is relatively high are solved, the effect of simplifying the matching process is achieved, and the method, equipment and system are used for matching the tire pressure monitoring system.
Description
Technical field
The present invention relates to field of automotive active safety, particularly to a kind of matching process of tire pressure monitoring system, equipment and
System.
Background technology
With the development of automotive engineering, tire pressure monitoring system is used widely in the car.Tire pressure monitoring system passes through
The working environment of monitoring automobile tire, obtains air pressure and the temperature information of automobile tire, and is sentenced according to this air pressure and temperature information
Whether vehicle tyre of cutting steam is working properly, if automobile tire work is abnormal, tire pressure monitoring system can be reported to the police, to reduce wheel
Tire loss and the purpose improving ride safety of automobile.
In prior art, tire pressure monitoring system mainly includes direct-type tire pressure monitoring system, this direct-type tire pressure monitoring system
System includes four tyre pressure sensors being arranged on tire and a bcm (body control module, car body controller),
This bcm includes signal receiving module, and this four tyre pressure sensors are respectively used to measure air pressure and the temperature information of four tires.Tire
The matching process of pressure monitoring system, refers to correspond four tires of same vehicle and four tyre pressure sensors, and should
Corresponding relation record bcm process so that coupling after tire pressure monitoring system, carry out signal reception in signal receiving module
When, only receive the signal that the tyre pressure sensor recorded in corresponding relation sends.Enter in existing direct-type tire pressure monitoring system
During row coupling, first by low-frequency trigger, trigger each tyre pressure sensor successively, so that corresponding tyre pressure sensor is sent wireless
Signal, and respectively the corresponding relation of each tire and tyre pressure sensor is recorded using matching unit, then, this is mated
Equipment passes through to diagnose interface and bcm wired connection, and above-mentioned corresponding relation is write bcm.
But, the coupling flow process of direct-type tire pressure monitoring system is complicated, after vehicle is sold, a wheel fetal hair (Crinis Carbonisatus) often
Give birth to the situation that fault or a tyre pressure sensor break down, need re-type, and carried out using existing matching unit
The coupling of tire pressure monitoring system needs special repairing place, is that tire pressure monitoring system re-starts coupling, and using wired
Corresponding relation after connected mode will be mated writes bcm, and matching process is complicated, takes longer.
Content of the invention
Matching process in order to solve tire pressure monitoring system is complicated, takes longer problem, embodiments provides
A kind of matching process of tire pressure monitoring system, equipment and system.Described technical scheme is as follows:
In a first aspect, providing a kind of matching process of tire pressure monitoring system, for car body controller, methods described includes:
Whether detection receives the wireless signal of the first tyre pressure sensor, described first tire pressure sensing in preset time period
Device is any one in the default tyre pressure sensor of vehicle；
Whether detection receives the wireless communication meeting the second pre-conditioned tyre pressure sensor in described preset time period
Number, described second tyre pressure sensor is different from the default tyre pressure sensor of described vehicle；
If not receiving the wireless signal of described first tyre pressure sensor in described first preset time threshold, and receive
To the wireless signal meeting pre-conditioned described second tyre pressure sensor, meet the second pre-conditioned tire pressure sensing with described
Data entrained by the wireless signal of device replaces the data entrained by wireless signal of described first tyre pressure sensor.
Optionally, whether described detection receives in described preset time period and meets the second pre-conditioned tire pressure sensing
The wireless signal of device, comprising:
If getting the wireless signal of described second tyre pressure sensor in described preset time period, judge described second fetus
Whether the wireless signal of pressure sensor is stable；
Judge whether the wireless signal of described second tyre pressure sensor is effective；
When the wireless signal of described second tyre pressure sensor is stable and effectively, determines and receives in described preset time period
Meet the wireless signal of the second pre-conditioned tyre pressure sensor.
Optionally, whether the described wireless signal judging described second tyre pressure sensor is stablized, comprising:
Obtain the dynamic acceptance rate of the wireless signal of described second tyre pressure sensor；
Judge whether described dynamic acceptance rate is more than or equal to predetermined threshold value；
When described dynamic acceptance rate is more than or equal to described predetermined threshold value, judge the wireless communication of described second tyre pressure sensor
Number stable.
Optionally, described judge whether the wireless signal of described second tyre pressure sensor is effective, comprising:
Judge whether the wireless signal of described second tyre pressure sensor meets effective judgment formula:
When the wireless signal of described second tyre pressure sensor meets described effective judgment formula, judge that described second tire pressure passes
The wireless signal of sensor is effective；
Wherein, describedAverage for described second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor
Value, described do not lose tyre pressure sensor be in the default tyre pressure sensor of described vehicle in addition to described first tyre pressure sensor
Tyre pressure sensor, described θ is the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, and described k is error coefficient.
Optionally, the data entrained by described wireless signal includes identity data,
Described data entrained by the described wireless signal meeting the second pre-conditioned tyre pressure sensor is replaced described
Data entrained by the wireless signal of the first tyre pressure sensor, comprising:
With the described identity data meeting the second pre-conditioned tyre pressure sensor and described first tyre pressure sensor
The corresponding wheel position of identity data mated, make the described identity meeting the second pre-conditioned tyre pressure sensor
Mark data is corresponding with described wheel position.
Second aspect, provides a kind of matching unit of tire pressure monitoring system, for car body controller, comprising:
Whether the first detector unit, receive the wireless communication of the first tyre pressure sensor in preset time period for detection
Number, described first tyre pressure sensor is any one in the default tyre pressure sensor of vehicle；
Second detector unit, meets pre-conditioned second fetus for whether detection receives in described preset time period
The wireless signal of pressure sensor, described second tyre pressure sensor is different from the default tyre pressure sensor of described vehicle；
Processing unit, for not receiving the wireless of described first tyre pressure sensor in described first preset time threshold
Signal, and receiving when meeting the pre-conditioned wireless signal of described second tyre pressure sensor, with described meet pre-conditioned
Data entrained by the wireless signal of the second tyre pressure sensor replace entrained by the wireless signal of described first tyre pressure sensor
Data.
Optionally, described second detector unit, comprising:
First judge module, for getting the wireless signal of described second tyre pressure sensor in described preset time period
When, judge whether the wireless signal of described second tyre pressure sensor is stable；
Second judge module, whether the wireless signal for judging described second tyre pressure sensor is effective；
Determining module, for when the wireless signal of described second tyre pressure sensor is stable and effective, determining described pre-
If receiving the wireless signal meeting the second pre-conditioned tyre pressure sensor in the time period.
Optionally, described first judge module, comprising:
Acquisition submodule, for obtaining the dynamic acceptance rate of the wireless signal of described second tyre pressure sensor；
First judging submodule, for judging whether described dynamic acceptance rate is more than or equal to predetermined threshold value；
Second judging submodule, for when described dynamic acceptance rate is more than or equal to described predetermined threshold value, judging described
The wireless signal of the second tyre pressure sensor is stable.
Optionally, described second judge module, comprising:
3rd judging submodule, it is public whether the wireless signal for judging described second tyre pressure sensor meets effective judgement
Formula:
4th judging submodule, meets described effective judgment formula for the wireless signal in described second tyre pressure sensor
When, judge that the wireless signal of described second tyre pressure sensor is effective；
Wherein, describedAverage for described second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor
Value, described do not lose tyre pressure sensor be in the default tyre pressure sensor of described vehicle in addition to described first tyre pressure sensor
Tyre pressure sensor, described θ is the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, and described k is error coefficient.
Optionally, the data entrained by described wireless signal includes identity data,
Described processing unit, comprising:
Matching module, for the described identity data meeting the second pre-conditioned tyre pressure sensor and described the
The corresponding wheel position of identity data of one tyre pressure sensor is mated, and makes described to meet the second pre-conditioned tire pressure
The identity data of sensor is corresponding with described wheel position.
A kind of third aspect, there is provided matching system of tire pressure monitoring system, the matching system of tire pressure monitoring system includes:
The matching unit of above-described tire pressure monitoring system.
Technical scheme provided in an embodiment of the present invention has the benefit that
Embodiments provide a kind of matching process of tire pressure monitoring system, equipment and system, due to by no
The detection of line signal, the data meeting entrained by the wireless signal of the second pre-conditioned tyre pressure sensor is replaced described first
Data entrained by the wireless signal of tyre pressure sensor, the corresponding relation after coupling directly records, and need not adopt wired connection side
Formula writes bcm, therefore, it is possible to simplify matching process, consumes during minimizing.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of tire pressure monitoring system involved by matching process of tire pressure monitoring system provided in an embodiment of the present invention
Environmental structure schematic diagram；
Fig. 2 is a kind of matching process flow chart of tire pressure monitoring system provided in an embodiment of the present invention；
Fig. 3 is the tire pressure monitoring system involved by matching process of another kind tire pressure monitoring system provided in an embodiment of the present invention
The environmental structure schematic diagram of system；
Fig. 4 is the matching process flow chart of another kind tire pressure monitoring system provided in an embodiment of the present invention；
Fig. 5 is a kind of method flow diagram of detected wireless signals provided in an embodiment of the present invention；
Fig. 6 is a kind of matching unit structural representation of tire pressure monitoring system provided in an embodiment of the present invention；
Fig. 7 is a kind of device structure schematic diagram of detected wireless signals provided in an embodiment of the present invention；
Fig. 8 is a kind of device structure schematic diagram judging whether wireless signal is stable provided in an embodiment of the present invention；
Fig. 9 is whether effectively one kind provided in an embodiment of the present invention judges wireless signal device structure schematic diagram.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Refer to Fig. 1, it illustrates involved by the matching process of tire pressure monitoring system provided in an embodiment of the present invention
Plant the environmental structure schematic diagram of tire pressure monitoring system.This tire pressure monitoring system can include passing for the tire pressure monitoring pressure of tire
Sensor, during due to normal vehicle operation, generally arranges four tires, therefore tyre pressure sensor is usually more than four, example,
It is respectively provided with tyre pressure sensor a 1, tyre pressure sensor b 2, tyre pressure sensor c 3, tyre pressure sensor d 4 in Fig. 1, wherein,
Tyre pressure sensor a 1 is used for monitoring the tire pressure of the near front wheel, and tyre pressure sensor b 2 is used for monitoring the tire pressure of off-front wheel, and tire pressure senses
Device c 3 is used for monitoring the tire pressure of left rear wheel, and tyre pressure sensor d 4 is used for monitoring the tire pressure of off hind wheel, that is, in tire pressure monitoring system
Tyre pressure sensor include with the corresponding relation of tire: tyre pressure sensor a 1 is corresponding with the near front wheel, tyre pressure sensor b 2 with right
Front-wheel corresponds to, and tyre pressure sensor c 3 is corresponding with left rear wheel, and tyre pressure sensor d 4 is corresponding with off hind wheel.Four tyre pressure sensor energy
Enough send wireless signal to bcm 6 on triggering, carry out radio communication with bcm6, break down or one when a tire occurs
The situation that individual tyre pressure sensor breaks down, needs re-type, after tire changing, needs again to enter for tire pressure monitoring system
Row coupling is so that set up the corresponding relation of new tyre pressure sensor and tire in tire pressure monitoring system after coupling.Need explanation
, bcm relates generally to lamp in car body, door, window and vehicle body guarding portion, performance and the peace with other module shared car loads
Full realization, brings more intelligent and comfortable for driving.In embodiments of the present invention, bcm has signal receiving function, including
The signal receiving module of tire pressure monitoring system.
The embodiment of the present invention provides a kind of matching process of tire pressure monitoring system, as shown in Fig. 2 being used for bcm, the method bag
Include:
Whether step 201, detection receive the wireless signal of the first tyre pressure sensor, this first tire in preset time period
Pressure sensor is any one in the default tyre pressure sensor of vehicle.
Whether step 202, detection receive in this preset time period and meet the second pre-conditioned tyre pressure sensor
Wireless signal, this second tyre pressure sensor is different from the default tyre pressure sensor of this vehicle.
If step 203 does not receive the wireless signal of the first tyre pressure sensor in the first preset time threshold, and receive
To the wireless signal meeting the second pre-conditioned tyre pressure sensor, meet the nothing of the second pre-conditioned tyre pressure sensor with this
Data entrained by line signal replaces the data entrained by the wireless signal of this first tyre pressure sensor.
In sum, due in the matching process of tire pressure monitoring system provided in an embodiment of the present invention, by wireless communication
Number detection, this data meeting entrained by the wireless signal of the second pre-conditioned tyre pressure sensor is replaced this first tire pressure
Data entrained by the wireless signal of sensor, the corresponding relation after coupling directly records, and need not be write using wired connection mode
Enter bcm, therefore, it is possible to simplify matching process, consume during minimizing.
Further, in step 202., whether detection receives in this preset time period and meets pre-conditioned second
The wireless signal of tyre pressure sensor, comprising: if getting the wireless signal of the second tyre pressure sensor in this preset time period, sentence
Whether the wireless signal of this second tyre pressure sensor disconnected is stable；Judge whether the wireless signal of this second tyre pressure sensor is effective；
When the wireless signal of this second tyre pressure sensor is stable and effectively, determine receive in this preset time period meet pre-conditioned
The second tyre pressure sensor wireless signal.
Wherein, judge that the whether stable method of wireless signal of this second tyre pressure sensor includes: obtain this second tire pressure
The dynamic acceptance rate of the wireless signal of sensor；Judge whether this dynamic acceptance rate is more than or equal to predetermined threshold value；When this is dynamic
Acceptance rate is more than or equal to predetermined threshold value, judges that the wireless signal of this second tyre pressure sensor is stable.
Judge that the whether effective method of wireless signal of this second tyre pressure sensor includes:
Judge whether the wireless signal of this second tyre pressure sensor meets effective judgment formula:
When the wireless signal of this second tyre pressure sensor meets effective judgment formula, judge the nothing of this second tyre pressure sensor
Line signal is effective；Wherein,For the meansigma methodss of this second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor,
Not losing tyre pressure sensor is the tyre pressure sensor in addition to the first tyre pressure sensor, θ in the default tyre pressure sensor of this vehicle
For the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, k is error coefficient.
It should be noted that the data entrained by this wireless signal includes id (identification, identity) number
According to, in step 203, with the data that this meets entrained by the wireless signal of the second pre-conditioned tyre pressure sensor replace this
The method of the data entrained by the wireless signal of one tyre pressure sensor includes:
Meet the body with this first tyre pressure sensor for the identity data of the second pre-conditioned tyre pressure sensor with this
Part corresponding wheel position of mark data is mated, and makes this meet the identity number of the second pre-conditioned tyre pressure sensor
According to corresponding with this wheel position.
In sum, due in the matching process of tire pressure monitoring system provided in an embodiment of the present invention, by wireless communication
Number detection, the data meeting entrained by the wireless signal of the second pre-conditioned tyre pressure sensor is replaced this first tire pressure and passes
Data entrained by the wireless signal of sensor, the corresponding relation after coupling directly records, need not be using wired connection mode write
Bcm, therefore, it is possible to simplify matching process, consumes during minimizing.
Refer to Fig. 3, it illustrates another involved by the matching process of tire pressure monitoring system provided in an embodiment of the present invention
A kind of matched environment structural representation of tire pressure monitoring system.The matched environment of this tire pressure monitoring system includes: tire pressure monitoring system
System and the matching system of tire pressure monitoring system, this tire pressure monitoring system can include sensing for the tire pressure monitoring pressure of tire
Device, during due to normal vehicle operation, generally arranges four tires, therefore tyre pressure sensor usually (includes standby for more than four
Tyre pressure sensor), example, be respectively provided with tyre pressure sensor a 1, tyre pressure sensor b 2, tyre pressure sensor c in Fig. 3
3, tyre pressure sensor d 4, tyre pressure sensor e 5, wherein tyre pressure sensor e 5 are arranged on spare tyre, are standby tire pressure sensing
Device, the embodiment of the present invention assume tyre pressure sensor in initial tire pressure monitoring system and tire corresponding relation as shown in figure 1,
Including: tyre pressure sensor a 1 is corresponding with the near front wheel, and tyre pressure sensor b 2 is corresponding with off-front wheel, tyre pressure sensor c 3 with left back
Wheel corresponds to, and tyre pressure sensor d 4 is corresponding with off hind wheel.Assume that tyre pressure sensor a 1 or the near front wheel go out in vehicle travel process
Existing fault, needs more to renew the near front wheel, this new the near front wheel can be above-mentioned spare tyre, after former the near front wheel is replaced by this spare tyre, becomes
New the near front wheel, tyre pressure sensor a 1 is also accordingly replaced by the tyre pressure sensor e 5 being arranged on spare tyre, at this time, it may be necessary to be tire pressure
Monitoring system re-starts coupling so that in tire pressure monitoring system after coupling to set up new tyre pressure sensor corresponding with tire
Relation, comprising: tyre pressure sensor e 5 is corresponding with the near front wheel, tyre pressure sensor b 2 is corresponding with off-front wheel, tyre pressure sensor c 3 with
Left rear wheel corresponds to, and tyre pressure sensor d 4 is corresponding with off hind wheel.The matching system of this tire pressure monitoring system may include that bcm 6,
For executing the matching process of tire pressure monitoring system, Auto-matching switch 7, for sending match triggers signal, triggering to bcm
Bcm 6 executes the matching process of tire pressure monitoring system, and this Auto-matching switch 7 can switch for hazard lamp；Tip element 8, uses
In the state of prompting user's coupling, this Tip element 8 can include left and right turn signal, and left and right turn signal starts flicker and is used for pointing out
The beginning of user preset time period timing, left and right turn signal stops flicker and is used for pointing out user that the match is successful, and this Tip element 8 is also
Alarm can be included, alarm sends warning the tinkle of bells, it fails to match for pointing out user.
The embodiment of the present invention provides the matching process of another kind of tire pressure monitoring system, as shown in Figure 4, comprising:
Step 401, bcm detect whether that receiving Auto-matching switch sends match triggers signal.If so, execution step
402, if it is not, execution step 401.
As shown in Figure 3 it is assumed that in vehicle travel process, tyre pressure sensor a 1 or the near front wheel break down, need to change
New the near front wheel, user, after changing the near front wheel, can press Auto-matching switch 7, this Auto-matching switchs 7 to bcm 6
Send match triggers signal, bcm 6 is periodically detected whether receive Auto-matching switch 7 transmission match triggers signal, if detection
Receiving the match triggers signal of Auto-matching switch 7 transmission, then execution step 402, not receiving Auto-matching if not detecting
The match triggers signal of switch 7 transmission, then continue executing with step 401.
It should be noted that in embodiments of the present invention, Auto-matching switch can switch for hazard lamp.
Step 402, bcm start the timing of preset time period.Execution step 403.
This preset time period is used for determining the reception time range of the wireless signal of tyre pressure sensor, in the embodiment of the present invention
Middle hypothesis preset time period is 10 minutes, then bcm starts the timing of 10 minutes, and this timing start time receives coupling for bcm
The moment of trigger.In embodiments of the present invention, can be pointed out the user preset time period by the flicker of left and right turn signal
The beginning of timing.
Step 403, bcm receive and record the wireless signal of tyre pressure sensor.Execution step 404.
Step 404, bcm judge whether preset time period terminates, if so, execution step 405, if it is not, execution step 403.
In embodiments of the present invention, bcm judges whether timing in 10 minutes terminates, if reaching 10 minutes, execution step 405,
If not reaching 10 minutes, continue in step 403, to receive and record the process of the wireless signal of tyre pressure sensor.
Step 405, bcm detect whether not receiving the wireless signal of the first tyre pressure sensor.If bcm detects not receiving
To the wireless signal of the first tyre pressure sensor, execution step 406, if bcm detection receives the wireless communication of the first tyre pressure sensor
Number, execution step 409.
First tyre pressure sensor is any one in the default tyre pressure sensor of vehicle in embodiments of the present invention, this car
Default tyre pressure sensor be the tyre pressure sensor that obtains of front tire pressure monitoring system coupling with the corresponding relation of tire in
The tyre pressure sensor of record, the process of this front tire pressure monitoring system coupling can be realized using existing matching process,
Can be realized using matching process provided in an embodiment of the present invention, because vehicle is in normally travel, the tire of work is usually 4
Individual, therefore, tyre pressure sensor and the tire pressure of record in the corresponding relation of tire that front tire pressure monitoring system coupling obtains pass
Sensor is usually 4.As shown in figure 3, the default tyre pressure sensor of vehicle includes in Fig. 3: tyre pressure sensor a 1, tire pressure senses
Device b 2, tyre pressure sensor c 3, tyre pressure sensor d 4, then the first tyre pressure sensor is this tyre pressure sensor a 1, and tire pressure senses
Device b 2, tyre pressure sensor c 3, any one in tyre pressure sensor d 4, in embodiments of the present invention it is assumed that not receiving tire
The wireless signal of pressure sensor a 1, then tyre pressure sensor a 1 is the first tyre pressure sensor.
It should be noted that when bcm detection receives all tyre pressure sensors in the default tyre pressure sensor of vehicle
Wireless signal, or bcm detection do not receive the wireless communication of at least two tyre pressure sensors in the default tyre pressure sensor of vehicle
Number, then bcm detects the wireless signal receiving the first tyre pressure sensor, execution step 409.There is provided using step 405
Detection method, it is possible to reduce the execution of the tire pressure monitoring system automatic matching method that user's false touch Auto-matching switch leads to is led
The energy loss causing.
Step 406, bcm detect whether to receive the wireless signal meeting the second pre-conditioned tyre pressure sensor.If so,
Execution step 407, if it is not, execution step 409.
In embodiments of the present invention, this second tyre pressure sensor is different from the default tyre pressure sensor of this vehicle, can wrap
Include the tyre pressure sensor of setting on this vehicle spare tyre, the tyre pressure sensor e 5 in such as Fig. 3 is it is also possible to include vehicle travel process
In, other carry the tyre pressure sensor of the vehicle of tyre pressure sensor.In order to reduce other vehicles with tyre pressure sensor to need
The impact of vehicle to be mated, needs determination in the second tyre pressure sensor to meet the second pre-conditioned tyre pressure sensor, should
Meeting the second pre-conditioned tyre pressure sensor can be used as tyre pressure sensor to be replaced.
Specifically, as shown in figure 5, step 406 may include that
If step 4061 gets the wireless signal of the second tyre pressure sensor in preset time period, judge this second fetus
Whether the wireless signal of pressure sensor is stable.
Example, bcm can obtain the dynamic acceptance rate of the wireless signal of this second tyre pressure sensor, and then, judging should
Whether dynamic acceptance rate is more than or equal to predetermined threshold value, when this dynamic acceptance rate is more than or equal to predetermined threshold value, judge this second
The wireless signal of tyre pressure sensor is stable.
Assume arbitrary second tyre pressure sensor m wireless signal dynamic acceptance rate be ζ, predetermined threshold value be 90%, then sentence
Whether disconnected ζ meets: ζ >=90%, when ζ meets: during ζ >=90%, judge that the wireless signal of this second tyre pressure sensor m is stable.
Step 4062, judge whether the wireless signal of this second tyre pressure sensor is effective.
Example, bcm may determine that whether the wireless signal of this second tyre pressure sensor meets effective judgment formula:
When the wireless signal of this second tyre pressure sensor meets this effective judgment formula, judge this second tyre pressure sensor
Wireless signal is effective.
Wherein,For the meansigma methodss of this second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor, this is not
Losing tyre pressure sensor is the tyre pressure sensor in addition to this first tyre pressure sensor, θ in the default tyre pressure sensor of this vehicle
For the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, k is error coefficient.
Step 4063, when the wireless signal of this second tyre pressure sensor is stable and effectively, determines in this preset time period
Receive the wireless signal meeting the second pre-conditioned tyre pressure sensor, and this is met the second pre-conditioned tire pressure sensing
Device is as tyre pressure sensor to be replaced.
The data that step 407, bcm are met with this entrained by wireless signal of the second pre-conditioned tyre pressure sensor is replaced
Data entrained by the wireless signal of this first tyre pressure sensor.Execution step 408.
Need to say, the data entrained by wireless signal includes id data, and this id data is used for identifying tyre pressure sensor
Identity, the id data of each tyre pressure sensor is generally made up of hexadecimal digit symbol, such as 01010101.
Example, bcm can be with the id data pair of the id data of tyre pressure sensor to be replaced and this first tyre pressure sensor
The wheel position answered is mated, and makes the id data of tyre pressure sensor to be replaced corresponding with this wheel position.Implement in the present invention
In example, this tyre pressure sensor to be replaced is to meet the second pre-conditioned tyre pressure sensor, as shown in Figure 3 it is assumed that meeting default
Second tyre pressure sensor of condition is tyre pressure sensor e 5, then the id data of tyre pressure sensor e 5 is with tyre pressure sensor a's 1
Id data corresponding wheel position the near front wheel is mated, and makes id data and this near front wheel position pair of tyre pressure sensor e 5
Should, then during follow-up tire pressure monitoring, when bcm receives the wireless signal of the id data carrying tyre pressure sensor e 5,
Can using the tire pressure such as the tire pressure carrying in this wireless signal, temperature as this near front wheel tire pressure.
Step 408, bcm indicate that the match is successful.
Bcm can point out user by triggering left and right turn signal stopping flicker, and the match is successful.
Step 409, bcm indicate that it fails to match.
Bcm can point out user by triggering warning the tinkle of bells, and it fails to match.
In sum, due in the matching process of tire pressure monitoring system provided in an embodiment of the present invention, by wireless communication
Number detection, the data meeting entrained by the wireless signal of the second pre-conditioned tyre pressure sensor is replaced this first tire pressure and passes
Data entrained by the wireless signal of sensor, the corresponding relation after coupling directly records, need not be using wired connection mode write
Bcm, therefore, it is possible to simplify matching process, consumes during minimizing.Simultaneously as tire pressure monitoring system is carried out using the bcm of vehicle self-carrying
Coupling, without using the matching unit of existing special tire pressure monitoring system, effectively saved cost, and, user
The coupling of tire pressure monitoring system after tire breaks down, can be carried out in time, improve Consumer's Experience.
The embodiment of the present invention provides a kind of matching unit 60 of tire pressure monitoring system, as shown in fig. 6, being used for bcm, comprising:
Whether the first detector unit 601, receive the wireless of the first tyre pressure sensor for detection in preset time period
Signal, this first tyre pressure sensor is any one in the default tyre pressure sensor of vehicle；
Second detector unit 602, meets pre-conditioned second for whether detection receives in this preset time period
The wireless signal of tyre pressure sensor, this second tyre pressure sensor is different from the default tyre pressure sensor of vehicle；
Processing unit 603, for not receiving the wireless of this first tyre pressure sensor in this first preset time threshold
Signal, and receive when meeting the pre-conditioned wireless signal of this second tyre pressure sensor, meet pre-conditioned with this
Data entrained by the wireless signal of two tyre pressure sensors replaces the data entrained by the wireless signal of this first tyre pressure sensor.
In sum, due to, in the matching unit of tire pressure monitoring system provided in an embodiment of the present invention, detecting by first
The detection to wireless signal of unit 601 and the second detector unit 602, processing unit 603, according to testing result, will meet default bar
The wireless signal that the data entrained by the wireless signal of this second tyre pressure sensor of part replaces this first tyre pressure sensor is taken
The data of band, the corresponding relation after coupling directly records, and need not write bcm using wired connection mode, therefore, it is possible to simplify
Join process, consume during minimizing.
As shown in fig. 7, the second detector unit 602, comprising:
First judge module 6021, for getting the wireless signal of this second tyre pressure sensor in this preset time period
When, judge whether the wireless signal of this second tyre pressure sensor is stable；
Second judge module 6022, whether the wireless signal for judging this second tyre pressure sensor is effective；
Determining module 6023, for when the wireless signal of this second tyre pressure sensor is stable and effective, determining default
The wireless signal meeting this pre-conditioned the second tyre pressure sensor is received in time period.
As shown in figure 8, the first judge module 6021, comprising:
Acquisition submodule 60211, for obtaining the dynamic acceptance rate of the wireless signal of this second tyre pressure sensor；
First judging submodule 60212, for judging whether this dynamic acceptance rate is more than or equal to predetermined threshold value；
Second judging submodule 60213, for when this dynamic acceptance rate is more than or equal to predetermined threshold value, judging second fetus
The wireless signal of pressure sensor is stable.
As shown in figure 9, the second judge module 6022, comprising:
3rd judging submodule 60221, whether the wireless signal for judging this second tyre pressure sensor meets effectively is sentenced
Disconnected formula:
4th judging submodule 60222, meets this effective judgement for the wireless signal in this second tyre pressure sensor public
During formula, judge that the wireless signal of this second tyre pressure sensor is effective；
Wherein,For the meansigma methodss of this second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor, this is not
Losing tyre pressure sensor is the tyre pressure sensor in addition to this first tyre pressure sensor, θ in the default tyre pressure sensor of this vehicle
For the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, k is error coefficient.
It should be noted that the data entrained by this wireless signal includes identity data, processing unit 603, comprising:
Matching module, for meeting identity data and this first tire of the second pre-conditioned tyre pressure sensor with this
The corresponding wheel position of identity data of pressure sensor is mated, and makes this meet the second pre-conditioned tyre pressure sensor
Identity data corresponding with described wheel position.
In sum, due to, in the matching unit of tire pressure monitoring system provided in an embodiment of the present invention, detecting by first
The detection to wireless signal of unit 601 and the second detector unit 602, processing unit 603, according to testing result, this satisfaction is preset
The wireless signal that the data entrained by the wireless signal of the second tyre pressure sensor of condition replaces this first tyre pressure sensor is taken
The data of band, the corresponding relation after coupling directly records, and need not write bcm using wired connection mode, therefore, it is possible to simplify
Join process, consume during minimizing.Simultaneously as carrying out the coupling of tire pressure monitoring system using the bcm of vehicle self-carrying, without using existing
Special tire pressure monitoring system matching unit, effectively saved cost, and, user can have been broken down in tire
Afterwards, carry out the coupling of tire pressure monitoring system in time, improve Consumer's Experience.
The embodiment of the present invention provides a kind of matching system of tire pressure monitoring system, the matching system bag of this tire pressure monitoring system
Include: the matching unit of the tire pressure monitoring system shown in Fig. 6, the matching unit of this tire pressure monitoring system can be used on bcm.
This tire pressure monitoring system can also include: Auto-matching switch, for sending match triggers signal, triggering to bcm
Bcm executes the matching process of tire pressure monitoring system, and this Auto-matching switch can switch for hazard lamp；Tip element, is used for carrying
Show the state of user's coupling, this Tip element can include left and right turn signal, and left and right turn signal starts flicker and is used for pointing out user
The beginning of preset time period timing, left and right turn signal stops flicker and is used for pointing out user that the match is successful, and this Tip element is acceptable
Including alarm, alarm sends warning the tinkle of bells, and for pointing out user, it fails to match.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can pass through hardware
To complete it is also possible to the hardware being instructed correlation by program is completed, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read only memory, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of matching process of tire pressure monitoring system is it is characterised in that methods described includes:
Whether detection receives the wireless signal of the first tyre pressure sensor in preset time period, and described first tyre pressure sensor is
Any one in the default tyre pressure sensor of vehicle；
Whether detection receives the wireless signal meeting the second pre-conditioned tyre pressure sensor, institute in described preset time period
State the second tyre pressure sensor different from the default tyre pressure sensor of described vehicle；
If do not receive the wireless signal of described first tyre pressure sensor in described preset time period, and in described Preset Time
The number not receiving the wireless signal of the default tyre pressure sensor of vehicle in section is 1, and receives in described preset time period
To the wireless signal meeting pre-conditioned described second tyre pressure sensor, meet the second pre-conditioned tire pressure sensing with described
Data entrained by the wireless signal of device replaces the data entrained by wireless signal of described first tyre pressure sensor.
2. method according to claim 1 is it is characterised in that whether described detection receives in described preset time period
Meet the wireless signal of the second pre-conditioned tyre pressure sensor, comprising:
If getting the wireless signal of described second tyre pressure sensor in described preset time period, judge that described second tire pressure passes
Whether the wireless signal of sensor is stable；
Judge whether the wireless signal of described second tyre pressure sensor is effective；
When the wireless signal of described second tyre pressure sensor is stable and effectively, determines and receives satisfaction in described preset time period
The wireless signal of the second pre-conditioned tyre pressure sensor.
3. method according to claim 2 it is characterised in that
Whether the described wireless signal judging described second tyre pressure sensor is stablized, comprising:
Obtain the dynamic acceptance rate of the wireless signal of described second tyre pressure sensor；
Judge whether described dynamic acceptance rate is more than or equal to predetermined threshold value；
When described dynamic acceptance rate is more than or equal to described predetermined threshold value, judge that the wireless signal of described second tyre pressure sensor is steady
Fixed.
4. method according to claim 2 it is characterised in that
Described judge whether the wireless signal of described second tyre pressure sensor is effective, comprising:
Judge whether the wireless signal of described second tyre pressure sensor meets effective judgment formula:
When the wireless signal of described second tyre pressure sensor meets described effective judgment formula, judge described second tyre pressure sensor
Wireless signal effective；
Wherein, describedFor the meansigma methodss of described second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor, institute
State that not lose tyre pressure sensor be the tire pressure in addition to described first tyre pressure sensor in the default tyre pressure sensor of described vehicle
Sensor, described θ is the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, and described k is error coefficient.
5. the method according to Claims 1-4 any one claim is it is characterised in that described wireless signal is taken
The data of band includes identity data,
Described data entrained by the described wireless signal meeting the second pre-conditioned tyre pressure sensor replaces described first
Data entrained by the wireless signal of tyre pressure sensor, comprising:
Body with the described identity data meeting the second pre-conditioned tyre pressure sensor and described first tyre pressure sensor
Part corresponding wheel position of mark data is mated, and makes the described identity meeting the second pre-conditioned tyre pressure sensor
Data is corresponding with described wheel position.
6. a kind of matching unit of tire pressure monitoring system is it is characterised in that include:
Whether the first detector unit, receive the wireless signal of the first tyre pressure sensor, institute in preset time period for detection
State any one that the first tyre pressure sensor is in the default tyre pressure sensor of vehicle；
Whether the second detector unit, receive in described preset time period for detection and meet the second pre-conditioned tire pressure biography
The wireless signal of sensor, described second tyre pressure sensor is different from the default tyre pressure sensor of described vehicle；
Processing unit, for not receiving the wireless signal of described first tyre pressure sensor in described preset time period, and
The number not receiving the wireless signal of the default tyre pressure sensor of vehicle in described preset time period is 1, and described default
Receive in time period when meeting the pre-conditioned wireless signal of described second tyre pressure sensor, with described meet pre-conditioned
Data entrained by the wireless signal of the second tyre pressure sensor replace entrained by the wireless signal of described first tyre pressure sensor
Data.
7. the matching unit of tire pressure monitoring system according to claim 6 is it is characterised in that described second detector unit,
Including:
First judge module, for get in described preset time period described second tyre pressure sensor wireless signal when,
Judge whether the wireless signal of described second tyre pressure sensor is stable；
Second judge module, whether the wireless signal for judging described second tyre pressure sensor is effective；
Determining module, for when the wireless signal of described second tyre pressure sensor is stable and effective, determining when described default
Between receive the wireless signal meeting the second pre-conditioned tyre pressure sensor in section.
8. the matching unit of tire pressure monitoring system according to claim 7 is it is characterised in that described first judge module,
Including:
Acquisition submodule, for obtaining the dynamic acceptance rate of the wireless signal of described second tyre pressure sensor；
First judging submodule, for judging whether described dynamic acceptance rate is more than or equal to predetermined threshold value；
Second judging submodule, for when described dynamic acceptance rate is more than or equal to described predetermined threshold value, judging described second
The wireless signal of tyre pressure sensor is stable.
9. tire pressure monitoring system according to claim 7 matching unit it is characterised in that
Described second judge module, comprising:
3rd judging submodule, whether the wireless signal for judging described second tyre pressure sensor meets effective judgment formula:
4th judging submodule, when meeting described effective judgment formula for the wireless signal in described second tyre pressure sensor,
Judge that the wireless signal of described second tyre pressure sensor is effective；
Wherein, describedFor the meansigma methodss of described second tyre pressure sensor and the centripetal acceleration not losing tyre pressure sensor, institute
State that not lose tyre pressure sensor be the tire pressure in addition to described first tyre pressure sensor in the default tyre pressure sensor of described vehicle
Sensor, described θ is the maximum error threshold value of the centripetal acceleration of tyre pressure sensor, and described k is error coefficient.
10. the matching unit of the tire pressure monitoring system according to claim 6 to 9 any one claim, its feature exists
In, the data entrained by described wireless signal includes identity data,
Described processing unit, comprising:
Matching module, for the described identity data meeting the second pre-conditioned tyre pressure sensor and described first tire
The corresponding wheel position of identity data of pressure sensor is mated, and makes described to meet pre-conditioned second tire pressure sensing
The identity data of device is corresponding with described wheel position.
A kind of 11. matching systems of tire pressure monitoring system are it is characterised in that the matching system of tire pressure monitoring system includes:
The matching unit of the tire pressure monitoring system described in claim 6 to 10 any one claim.
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| CN201410395717.0A CN104228491B (en) | 2014-08-12 | 2014-08-12 | Matching method, equipment and system of tire pressure monitoring system |
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| CN110471396B (en) * | 2017-10-31 | 2021-02-19 | 深圳市道通科技股份有限公司 | Computer readable storage medium, fault detection method and device |
| CN107884120B (en) * | 2017-11-22 | 2020-02-07 | 广东菲柯特电子科技有限公司 | Testing system and method of tire monitoring system |
| CN108621716A (en) * | 2018-05-23 | 2018-10-09 | 浙江吉利汽车研究院有限公司 | A kind of automotive tyre pressure monitoring device |
| CN108944282A (en) * | 2018-08-28 | 2018-12-07 | 铁将军汽车电子股份有限公司 | Tire changing monitoring method, device for monitoring tyre pressure, system and equipment |
| CN109808429A (en) * | 2019-01-24 | 2019-05-28 | 吉利汽车研究院（宁波）有限公司 | A kind of vehicle tyre burglary-resisting system and theft preventing method |
| CN110281710B (en) * | 2019-06-18 | 2021-03-12 | 一汽解放汽车有限公司 | Identification method, device, equipment and storage medium of tire pressure sensor |
| CN113103830B (en) * | 2020-01-10 | 2022-07-15 | 比亚迪股份有限公司 | Tire pressure monitoring data transmission method and device, repeater unit and vehicle |
| CN114179571B (en) * | 2021-12-22 | 2022-10-21 | 奇瑞汽车股份有限公司 | Tire pressure sensor positioning method and device and vehicle |
| CN114590347B (en) * | 2022-04-01 | 2023-12-19 | 东莞博仕电子科技有限公司 | Multifunctional motorcycle driving monitoring method and system |
| CN115091901B (en) * | 2022-07-05 | 2024-03-15 | 铁将军汽车电子股份有限公司 | Tire pressure information transmission method, system and device |
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| JP2004338600A (en) * | 2003-05-16 | 2004-12-02 | Omron Corp | Tire pneumatic pressure detecting device |
| DE102005025188A1 (en) * | 2004-06-10 | 2006-02-23 | Mitsubishi Jidosha Kogyo K.K. | Tire pressure monitoring device |
| DE102004053696A1 (en) * | 2004-11-06 | 2006-05-11 | Leopold Kostal Gmbh & Co. Kg | Tire pressure monitoring system for a motor vehicle |
| GB2427497B (en) * | 2005-06-23 | 2009-08-05 | Ford Global Tech Llc | Motor vehicle equipped with a tyre pressure monitoring system |
| TWI554415B (en) * | 2012-10-16 | 2016-10-21 | Tire pressure sensor setting method |
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