CN107303786B - The Primary Location method of tire pressure monitoring system - Google Patents
The Primary Location method of tire pressure monitoring system Download PDFInfo
- Publication number
- CN107303786B CN107303786B CN201610239986.7A CN201610239986A CN107303786B CN 107303786 B CN107303786 B CN 107303786B CN 201610239986 A CN201610239986 A CN 201610239986A CN 107303786 B CN107303786 B CN 107303786B
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- Prior art keywords
- tire pressure
- signal
- identifier
- known identifiers
- tire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B60C23/0415—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
- B60C23/0416—Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels allocating a corresponding wheel position on vehicle, e.g. front/left or rear/right
Abstract
The present invention provides a kind of Primary Location method of tire pressure monitoring system, it mainly receives tire pressure signal by receiver, and capture identifier therein, the identifier captured is compared with the correspondence identifier in the database again, if comparison result is identical, the identifier is then set as a known identifiers, until the identifier of all tire pressure signals received has been compared, and when being equal to the quantity of monitor such as known identifiers quantity, then according to an index of each tire pressure signal, each known identifiers are appointed as specific wheel, to reach in a short time, the effect of playing Primary Location.
Description
Technical field
The present invention relates to a kind of radio tire pressure method for detecting, more particularly to a kind of Primary Location side of tire pressure monitoring system
Method.
Background technique
Due in recent years because the tire pressure of automobile tire is abnormal or the case of traffic accident is shown in does not show repeatly caused by blowing out,
Related bill is just actively carried out in countries in the world, and vehicle tire pressure detecting system has become the basic outfit of European and American countries new car, and one
As tire pressure detection system tool there are four tire pressure detector and receiver, each tire pressure detector is installed in each tire respectively, often
A tire pressure detector can give receiver in returning tire pressure signal in the certain time at interval, then show each tire by display
Tire pressure numerical value can generate alarm signal if the numerical exception that any tire pressure detector is sensed；
In order to distinguish each tire pressure detector be installed in it is left front, right before, on left back, off hind wheel, the practice of the prior art be in
Each built-in identifier of tire pressure detector, and when tire pressure detector is installed, it is necessary to according to the position of tire pressure detection system default
Installation is (as the tire pressure detector of coding 100A must be mounted to the near front wheel, the tire pressure detector of 100B must be mounted to off-front wheel
Deng) tire pressure detection system could be allowed to capture the correct testing result of each position tire；
However, when user's tire pressure detector to be replaced, it is necessary to after the coding for first reading each tire pressure detector, then will be old
Some codings are input to new tire pressure detector one by one, preceding to correspond to the coding of the built-in each position tire of tire pressure detection system
Stating cumbersome step must can execute by the computer software beginning of profession, therefore general car owner at all can not self-changeable tire
Detector is pressed, original tire pressure detector coding is not needed for this purpose, industry just develops one kind and can differentiate each tire pressure detector position
The tire pressure detection system set；
But aforementioned tire pressure detection system generally requires to take a period of time (one when differentiating each tire pressure detector position
As be 20 minutes) can differentiate the position of each tire pressure detector, thus just there is empty window phase, and then formation in tire pressure monitoring
Loophole for security, what is more, driver only needs the movement of short distance in many cases, therefore often sentences in tire pressure detection system
Before the correct position of not each tire pressure detector, user has reached destination, and thus tire pressure detection system just loses its practical effect
Benefit is a kind of Primary Location method to need tire pressure monitoring system.
Summary of the invention
The present invention provides a kind of Primary Location method of tire pressure monitoring system, and main purpose is to enable tire pressure detection system
It is enough to play the effect of Primary Location in a short time, shorten the time of tire pressure monitoring sky window phase；
It is another object of the present invention to overcome tire pressure to detect the receiver of system when not receiving signal, tire pressure is incomplete
Infull problem.
For up to foregoing purpose, the Primary Location method of tire pressure monitoring system of the present invention, wherein the tire pressure monitoring system is installed
In on a vehicle with a plurality of wheels, which has a receiver and a plurality of monitors；Each monitoring
Device is installed in each wheel respectively, to generate the tire pressure signal with tire pressure data and identifier, is sent to the receiver；The reception
Device has a database, stores a plurality of corresponding identifiers in the database；And the Primary Location method includes following step
It is rapid:
Step 1: tire pressure signal is received, and captures identifier therein；
Step 2: the identifier captured is compared with the correspondence identifier in the database, as comparison result is
It is identical, then the identifier is set as a known identifiers, and is stored in the database；
Step 3: step 1 is repeated to step 2, until the identifier of all tire pressure signals received has compared
Finish；And
Step 4: calculating the quantity for being set as known identifiers, if the quantity of known identifiers is equal to the quantity of monitor,
Each known identifiers are then respectively designated as specific wheel；If the quantity of known identifiers is less than the quantity of monitor, then hold
Row tire patching method；
Wherein, which includes the following steps:
Step A: the signal parameter of all tire pressure signals for receiving but its identifier not being set as to known identifiers is captured；
Step B: according to the signal parameter, by the identifier of one of them tire pressure signal for being not set to known identifiers
It is set as known identifiers；
Step C: repeating step A to step B, and the quantity that the quantity until being set as known identifiers is equal to monitor is
Only；And
Step D: each known identifiers are respectively designated as specific wheel.
From the foregoing it will be appreciated that the Primary Location method of tire pressure monitoring system of the present invention, which mainly passes through the receiver, receives tire pressure
Signal, and identifier therein is captured, then the identifier captured is compared with the correspondence identifier in the database, such as
Comparison result be it is identical, then set the identifier as known identifiers, until the identifier of all tire pressure signals received is equal
When being compared, and being equal to the quantity of monitor such as known identifiers quantity, each known identifiers are appointed as specific vehicle
Wheel, to reach in a short time, i.e., performance Primary Location the effect of；
The present invention is not in the case where receiver receives the tire pressure signal of monitor, then by capturing all receive but not
Its identifier is set as to the signal parameter of the tire pressure signal of known identifiers, and according to the signal parameter, not by one of them
The identifier for being set to the tire pressure signal of known identifiers is set as known identifiers, the number until being set as known identifiers
Each known identifiers are respectively designated as specific wheel again after being equal to the quantity of monitor by amount, overcome tire pressure to detect system to reach
Receiver in the case where not receiving signal, the purpose of the incomplete problem of tire pressure.
Detailed description of the invention
Fig. 1 is the schematic diagram that tire pressure monitoring system is set to vehicle.
Fig. 2 is the method flow diagram for determining each detector positions.
Fig. 3 is the flow chart of Primary Location method.
Fig. 4 is the flow chart of tire patching method.
Sign flag illustrates in attached drawing:
10 be localization method；20 be Primary Location method；21 be step 1；22 be step 2；23 be step 3；24 be step
Rapid four；25 be tire patching method；U is monitor；S is tire pressure monitoring system；T is wheel；R is receiver.
Specific embodiment
Clear, complete description is carried out to technical solution of the present invention below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Method of the invention be applied to tire pressure monitoring system (Tire Pressure Monitoring System,
TPMS).Referring to Fig. 1, tire pressure monitoring system S includes a receiver R and a plurality of monitor U.Monitor U is to fill respectively
Set on four wheel T (including two front vehicle wheel T and two rear wheel T) of vehicle, each monitor U be respectively provided with a sensing device with
One signal transmission device.The sensing device can detect the data such as tire pressure, the temperature of each wheel T, define aforementioned sensing devices detecting
Each data be a tire pressure data, which is incorporated in an identifier, after specifically encoding, generate a tire pressure news
Number, the tire pressure signal is transmitted to receiver R through the signal transmission device.Receiver R have a signal receiver with
An and database.It is noted that the received tire pressure signal of receiver R institute is not limiting as from same tire pressure monitoring system
The tire pressure signal of the monitor U of S also may include the tire pressure signal issued from other (facing vehicle) monitor U, also or its
He has the signal close to tire pressure signal intension, therefore tire pressure signal quantity received by receiver R will be greater than being installed on
The quantity of monitor U on wheel T.It is prestored in the database there are four corresponding identifier, each corresponding identifier corresponds to each monitoring
The identifier of device U, to confirm the source of signal.The signal receiver receives tire pressure signal, by the mark to each tire pressure signal
Symbol is compared with the correspondence identifier in database, and pressure data therein is shown in a display screen of the vehicle,
So that driver can obtain the tire pressure of each wheel T, installed respectively since tire pressure monitoring system S does not record each monitor U
In on which wheel T, therefore it can not learn that each identifier respectively represents those wheels T, therefore driver can only learn each sense
Numerical value measured by device is surveyed, and can not learn which tire T measured each numerical value corresponds respectively on.
Therefore it after tire pressure monitoring system S is installed on vehicle, needs to determine which the position of each monitor U (is installed in first
One wheel).It please refers to shown in Fig. 2, after opening the power supply of receiver R, the timer (not shown) of receiver R just starts
Timing.When the time is 20 minutes or 20 minutes multiples, then localization method 10 is executed；It is 2 minutes or 2 points when the time
When the multiple of clock, then Primary Location method 20 is executed.Before the localization method 10 does not complete, then carry out within every 2 minutes once should
Primary Location method 20；After the completion of the localization method 10, the position of each monitor U is represented it has been determined that then stopping executing this first
Localization method 20 is walked, receiver R persistently receives the tire pressure signal that each monitor U is transmitted, to monitor the state of each wheel T.
The localization method 10 is the method for determining each monitor U and being installed in which wheel T, and related content sees US9,
207511 (9205711), US2005/0134446 and the previous creation TWI490131 of applicant etc..Detailed localization method
10 contents, hold be not described in detail herein.However the Primary Location method 20 be used in system determine each monitor U accurate location it
Before, allow driver that the tire pressure of each wheel T still can be read, but wheel T location corresponding to the tire pressure may be not
Correctly.
Referring to Fig. 3, the Primary Location method 20 includes the following steps:
Step 1 21: receiver R receives tire pressure signal, and captures identifier therein.
Step 2 22: the identifier captured is compared with the correspondence identifier in the database, such as comparison result
For identical person, then the identifier is set as a known identifiers, and be stored in the database.
Step 3 23: repeating step 1 21 to step 2 22, until all tire pressure signals received identifier
It is compared.
Step 4 24: calculating the quantity for being set as known identifiers, as the quantity is equal to quantity (this implementation of monitor U
Example is 4), then according to an index of each tire pressure signal, each known identifiers to be appointed as specific wheel T, which is those
Monitor is transmitted to the various parameters of the tire pressure signal of the receiver, those parameters can be signal strength, the temperature of the tire pressure signal
Degree evidence, vibration, frequency and acceleration；The quantity for being such as set as known identifiers is less than quantity (the present embodiment of monitor U
4), then to execute a tire patching method 25.
In the present embodiment, the index be signal strength, according to data be each tire pressure signal reception signal strength refer to
It marks (Received Signal Strength Indication, RSSI).In the present embodiment, by the maximum the first two of RSSI
The known identifiers of tire pressure signal are appointed as two front vehicle wheel T, and the known identifiers of other two tire pressure signals is specified to correspond to
Two rear wheel T.So specified reason is: the monitor U for being usually installed in front vehicle wheel T can be short at a distance from receiver R
In the monitor U for being installed in rear wheel T, therefore, signal strength received by receiver R is larger.Specific mode so
Generally it can determine that monitor U is position in front vehicle wheel T or rear wheel T, but have the position of the 50% left and right wheel T of probability can
It can be incorrect.
In another embodiment, which is the temperature data of the tire pressure signal, will be with before maximum temperature data two
Known identifiers are appointed as two front vehicle wheel T, and the known identifiers of other two tire pressure signals is specified to correspond to two rear wheel
T.So specified reason is: the sensor of closer engine, temperature with higher.Therefore, the vehicle of preposition engine then will
Known identifiers with maximum temperature data are appointed as front-wheel；And for the vehicle of rear preposition engine, it is counter to be appointed as rear-wheel.?
In another embodiment, which can be vibration, frequency and the acceleration etc. of the tire pressure signal.In another embodiment, this is
Know identifier be according to the time sequencing for being stored in the database, with it is random or with a scheduled sequence (such as: front left wheel-
Right front wheel-rear left wheel-right rear wheel) it is appointed as wheel T.
However, being possible to make when monitor U is in contact bad, power supply and supplies the situations such as abnormal or failure
Signal is not received at receiver R, such situation is possible to be continued for, it is also possible to disappear after a period of time.But
It is when the tire pressure signal for having at least one monitor U to be issued can not be received, driver can be appreciated that incomplete tire
Data are pressed, fear is likely to result in.And the tire patching method 25 is issued in the monitor U for having at least one to be installed in wheel T
Tire pressure signal program performed when can not be received.As shown in figure 4, the tire patching method 25 includes the following steps:
Step A: a signal parameter of all identifier tire pressure signals for being not set to known identifiers is captured.
Step B: the identifier of the tire pressure signal with maximum signal parameter is set as known identifiers, and is stored in this
Database.
Process with a screening before executing step B, by the too small tire pressure signal of pressure (such as pressure is less than 10KPA)
After removal, then step B is carried out, the reason for this is that the monitor U for issuing the too small tire pressure signal of pressure may not be installed in this
On wheel T, numerical value can not simultaneously be examined.
In the present embodiment, which is that the signal quantity of the tire pressure signal is received in the unit time, will be received
The identifier of the tire pressure signal most to signal quantity is set as known identifiers.In another embodiment, which is
The identifier of the maximum tire pressure signal of RSSI is set as known identifiers by the signal strength of the tire pressure signal.
Step C: repeating step A to step B, and quantity of the quantity equal to monitor U until being set as known identifiers is
Only.
Step D: according to the index of each tire pressure signal, each known identifiers is specified to correspond to specific wheel T.Step D's
Detailed content is identical as the corresponding content of abovementioned steps four, holds be not described in detail herein.
Explanation is proposed herein, and tire pressure monitoring system S of the invention can be installed in the vehicle more than four wheel T
On vehicle on, such as truck, container car, or less than four wheel T, such as tricycle or two-wheel car.In certain vehicles
On, and not all wheel T is installed with monitor U.And Primary Location method 20 provided by the present invention and tire patching method 25 are equal
It can be carried out on above-described vehicle.
From the foregoing it will be appreciated that the Primary Location method of tire pressure monitoring system of the present invention, which mainly passes through the receiver, receives tire pressure
Signal, and identifier therein is captured, then the identifier captured is compared with the correspondence identifier in the database, such as
Comparison result be it is identical, then set the identifier as a known identifiers, until the identifier of all tire pressure signals received
When being compared, and being equal to the quantity of monitor U such as known identifiers quantity, then according to an index of each tire pressure signal,
Each known identifiers are appointed as specific wheel T, to reach in a short time, i.e., performance Primary Location the effect of；
The present invention in the case where receiver R does not receive monitor U tire pressure signal, by capture it is all receive but will
Its identifier is set as a signal parameter of the tire pressure signal of known identifiers, and according to the signal parameter, not by one of them
The identifier for being set to the tire pressure signal of known identifiers is set as known identifiers, the number until being set as known identifiers
Amount again respectively specifies that each known identifiers to specific wheel T after the quantity equal to monitor U, overcomes receiver R to reach
In the case of not receiving the tire pressure signal of monitor U of same tire pressure monitoring system S, the mesh of the incomplete problem of tire pressure
's.
In conclusion the various embodiments described above and attached drawing are only presently preferred embodiments of the present invention, not to limit this
The protection scope of invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done all are answered
It is included within the scope of the present invention.
Claims (12)
1. a kind of Primary Location method of tire pressure monitoring system, which is characterized in that the tire pressure monitoring system, which is installed in one, to be had
On the vehicle of a plurality of wheels, the tire pressure monitoring system has a receiver and a plurality of monitors；The monitor point
It is not installed in the wheel, to generate a tire pressure signal with a tire pressure data and an identifier, is sent to the receiver；
The receiver has a database, stores a plurality of corresponding identifiers in the database；And the Primary Location method
Include the following steps:
Step 1: tire pressure signal is received, and captures identifier therein；
Step 2: the identifier captured is compared with the correspondence identifier in the database, if comparison result is phase
Together, then the identifier is set as a known identifiers；
Step 3: step 1 is repeated to step 2, is finished until the identifier of all tire pressure signals received has compared；With
And
Step 4: calculating the quantity for being set as known identifiers, if the quantity of known identifiers is equal to the quantity of monitor, then will
Each known identifiers are respectively designated as specific wheel；If the quantity of known identifiers is less than the quantity of monitor, then one is executed
Tire patching method；
Wherein, the tire patching method includes the following steps:
Step A: a signal parameter of all tire pressure signals for receiving but its identifier not being set as to known identifiers is captured；
Step B: according to the signal parameter, the identifier of one of them tire pressure signal for being not set to known identifiers is set
For known identifiers；
Step C: repeating step A to step B, until the quantity until being set as known identifiers is equal to the quantity of monitor；With
And
Step D: each known identifiers are respectively designated as specific wheel.
2. the Primary Location method of tire pressure monitoring system according to claim 1, which is characterized in that in step 4 and tire patching
It is according to the signal strength of each tire pressure signal, by the known mark of the tire pressure signal with larger signal strength in the step D of method
Know the wheel for according with and being appointed as close to the receiver；Remaining known identifiers is then appointed as being away from the wheel of the receiver.
3. the Primary Location method of tire pressure monitoring system according to claim 1, which is characterized in that in step 4 and tire patching
It is according to the temperature data of each tire pressure signal, by the known mark of the tire pressure signal with larger temperature data in the step D of method
Know symbol and is appointed as the wheel close to the engine of the vehicle；Remaining known identifiers is then appointed as being away from the engine of the vehicle
Wheel.
4. the Primary Location method of tire pressure monitoring system according to claim 1, which is characterized in that in the step of tire patching method
In rapid B, which is that the signal quantity of the tire pressure signal is received in the unit time, and it is most will to receive signal quantity
The identifier of tire pressure signal is set as known identifiers.
5. the Primary Location method of tire pressure monitoring system according to claim 1, which is characterized in that in the step of tire patching method
In rapid B, which is the signal strength of the tire pressure signal, and the identifier of the maximum tire pressure signal of signal strength is set as
Known identifiers.
6. the Primary Location method of tire pressure monitoring system according to claim 1, which is characterized in that in step 2 and the benefit
In the step B of tire method, further includes and the known identifiers are stored in the database.
7. a kind of tire patching method of tire pressure monitoring system, which is characterized in that the tire pressure monitoring system, which is installed in one, has plural number
On the vehicle of a wheel, the tire pressure monitoring system has a receiver and a plurality of monitors；The monitor fills respectively
The receiver is sent to set on the wheel to generate a tire pressure signal with a tire pressure data and an identifier；It is described
Receiver has a database, stores a plurality of corresponding identifiers in the database；The receiver receives the tire pressure
Signal compares identifier and the corresponding identifier in the database, and is that identical identifier is set as by comparison result
Know identifier；When the quantity of known identifiers is less than the quantity of monitor, the tire patching method is executed；The tire patching method includes
The following steps:
Step A: a signal parameter of all tire pressure signals for receiving but its identifier not being set as to known identifiers is captured；
Step B: according to the signal parameter, the identifier of one of them tire pressure signal for being not set to known identifiers is set
For a known identifiers；
Step C: repeating step A to step B, until the quantity until being set as known identifiers is equal to the quantity of monitor；With
And
Step D: it is set to an index of the tire pressure signal of known identifiers according to each identifier, each known identifiers are distinguished
It is appointed as specific wheel.
8. the tire patching method of tire pressure monitoring system according to claim 7, which is characterized in that in step D, which is
The known identifiers of tire pressure signal with larger signal strength are appointed as connecing close to this by the signal strength of each tire pressure signal
Receive the wheel of device；Remaining known identifiers is then appointed as being away from the wheel of the receiver.
9. the tire patching method of tire pressure monitoring system according to claim 7, which is characterized in that in step D, which is
The known identifiers of tire pressure signal with larger temperature data are appointed as close to the vehicle by the temperature data of each tire pressure signal
Engine wheel；Remaining known identifiers is then appointed as being away from the wheel of the engine of the vehicle.
10. the tire patching method of tire pressure monitoring system according to claim 7, which is characterized in that in stepb, the signal
Parameter is that the signal quantity of the tire pressure signal is received in the unit time, will receive the mark of the most tire pressure signal of signal quantity
Know symbol and is set as known identifiers.
11. the tire patching method of tire pressure monitoring system according to claim 7, which is characterized in that in stepb, the signal
Parameter is the signal strength of the tire pressure signal, and the identifier of the maximum tire pressure signal of signal strength is set as known identifiers.
12. the tire patching method of tire pressure monitoring system according to claim 7, which is characterized in that in stepb, further include
Have and the known identifiers are stored in the database.
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| CN201610239986.7A CN107303786B (en) | 2016-04-18 | 2016-04-18 | The Primary Location method of tire pressure monitoring system |
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| CN201610239986.7A CN107303786B (en) | 2016-04-18 | 2016-04-18 | The Primary Location method of tire pressure monitoring system |
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| CN107878128B (en) * | 2017-12-13 | 2024-02-27 | 上海为彪汽配制造有限公司 | Warranty write-in system and data acquisition device for recording measurement information of tire pressure monitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009940A (en) * | 2011-09-23 | 2013-04-03 | 三星电机株式会社 | Tire pressure monitoring system (TPMS) device |
| CN103895459A (en) * | 2012-12-27 | 2014-07-02 | 株式会社东海理化电机制作所 | Tire position determination system and tire pressure monitoring system |
| CN104494370A (en) * | 2014-05-30 | 2015-04-08 | 上海为彪汽配制造有限公司 | Method for setting tire pressure sensor position |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6696935B2 (en) * | 2001-09-10 | 2004-02-24 | Gentex Corporation | Tire monitoring system |
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2016
- 2016-04-18 CN CN201610239986.7A patent/CN107303786B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009940A (en) * | 2011-09-23 | 2013-04-03 | 三星电机株式会社 | Tire pressure monitoring system (TPMS) device |
| CN103895459A (en) * | 2012-12-27 | 2014-07-02 | 株式会社东海理化电机制作所 | Tire position determination system and tire pressure monitoring system |
| CN104494370A (en) * | 2014-05-30 | 2015-04-08 | 上海为彪汽配制造有限公司 | Method for setting tire pressure sensor position |
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