CN108045179A - A kind of tire pressure monitoring system fault judgment method - Google Patents
A kind of tire pressure monitoring system fault judgment method Download PDFInfo
- Publication number
- CN108045179A CN108045179A CN201711022548.6A CN201711022548A CN108045179A CN 108045179 A CN108045179 A CN 108045179A CN 201711022548 A CN201711022548 A CN 201711022548A CN 108045179 A CN108045179 A CN 108045179A
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- Prior art keywords
- pressure sensor
- speed
- tyre pressure
- tire pressure
- data
- Prior art date
- 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
-
- 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
- B60C23/0401—Signalling devices actuated by tyre pressure mounted on the wheel or tyre characterised by the type of alarm
- B60C23/0405—Mechanically generated visible signals, e.g. by using a gauge needle
-
- 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
- B60C23/0481—System diagnostic, e.g. monitoring battery voltage, detecting hardware detachments or identifying wireless transmission failures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of tire pressure monitoring system fault judgment methods, it is characterised in that：Red light pattern is added in tyre pressure sensor, wherein tire pressure transmitter is mounted in wheel, has chip to be used for detecting centripetal acceleration in tyre pressure sensor, the numerical value of centripetal acceleration is used for judging the substantially speed of vehicle;By increasing new tyre pressure sensor red light pattern and new tire pressure monitoring system fault judgment method, solve tire pressure numerical value non real-time value when frequently congestion low speed drives a vehicle or stops in urban traffic situation, unidirectional direct-type tire pressure monitoring system fault alarm judges unreasonable, the harsh influence user experience of fault alarm condition；The real-time of tire pressure numerical value when can improve frequent short time congestion low speed driving in urban traffic situation or stop improves the promptness of output alarm signal when tire pressure monitoring system breaks down.
Description
Technical field
The present invention relates to a kind of tire pressure monitoring system fault judgment methods, are a kind of unidirectional direct-type tire pressure monitoring systems,
Belong to technical field of automotive electronics.
Background technology
With the fast development of science and technology, the electric function of automobile is also increasingly abundanter, and vapour mark committee releases tire pressure prison within 2016
Examining system forces standard GB 26149《The performance requirement and test method of passenger vehicle tyre pressure monitoring system》, unidirectional direct-type
Tire pressure monitoring system then improves drive safety and the strong equipment for marking requirement of satisfaction as a kind of low cost, will be more and more
It is applied in different vehicles.But when vehicle congestion parking or red light wait, the non real-time tire pressure of tire pressure numerical value and for some reason
Time delay caused by barrier determination methods are unreasonable affects user experience.
In conclusion there are some defects for existing unidirectional direct-type tire pressure monitoring method.
The content of the invention
It is an object of the invention to provide a kind of tire pressure monitoring system fault judgment methods, are sensed by increasing new tire pressure
Device red light pattern and new tire pressure monitoring system fault judgment method solve the frequently driving of congestion low speed or parking in urban traffic situation
When the non real-time value of tire pressure numerical value, unidirectional direct-type tire pressure monitoring system fault alarm judges unreasonable, and fault alarm condition is harsh
Influence user experience；T1 the number of minutes can persistently be sent again in the case where tyre pressure sensor enters static schema by dynamic mode
According to the real-time of guarantee tyre pressure sensor data.
The technical proposal of the invention is realized in this way：A kind of tire pressure monitoring system fault judgment method, by a tire pressure
Monitoring modular and four tyre pressure sensor compositions, tyre pressure sensor main operation modes have static schema and dynamic mode, only
When tyre pressure sensor detects that wheel speed rotates, dynamic mode could be entered and carry out data sending, it is characterised in that：
Red light pattern is added in tyre pressure sensor, wherein tire pressure transmitter is mounted in wheel, has chip to be used in tyre pressure sensor
Centripetal acceleration is detected, the numerical value of centripetal acceleration is used for judging the substantially speed of vehicle, right if it is 20km/h to work as speed
The centripetal acceleration value answered is 6g, configures acceleration offset level in the chips（Offset STEP）For 6, that is, detect to
Heart acceleration is in below 6g（Speed is in below 20km/h）Do not send data then, it is on the contrary then emit data;
According to above-mentioned logic, when vehicle waits red light or congestion road surface to run at a low speed, acceleration detection value can be less than 6g, that
Tyre pressure sensor will not emit data；When vehicle stall car locking, tyre pressure sensor can also stop emitting data at once, work as vehicle
Under low speed, transmitter acceleration is fluctuated in 6g, and fluctuating range is changeable, such as road not congestion, simply red light it is more and
It is closer to the distance, then above-mentioned strategy can be caused under special road conditions, and traveling cannot receive tire pressure data to vehicle for a long time;
Static schema：Tyre pressure sensor can't detect speed or speed is too low less than 20km/h, and tyre pressure sensor does not emit tire
Press information data；
Dynamic mode：Tyre pressure sensor persistently detects speed (60s is detected 1 time), and when detecting speed ＞ 20km/h, tire pressure senses
Device periodicity sending tire pressure data；
Red light pattern：After tyre pressure sensor enters dynamic mode, if running into red light among traveling, traditional tyre pressure sensor detection
Less than speed, data cannot be sent into dynamic mode（The so-called data that traditional vehicle is shown are historical data, that is, mantissa
According to）, and red light Model Design is, red light or congestion pause are run into after sensor enters dynamic mode, tyre pressure sensor can be again
Persistently send T1min data, it is ensured that in congestion and to wait tire pressure data under red lights pattern be truthful data always;
Specific method is as follows：Tire pressure monitoring system fault method needs to detect time >=10 point that speed is continued above 40km/h
Clock is as breakdown judge condition.For the urban traffic situation of increasingly congestion, most of road conditions vehicle running state, which is difficult to reach, to be held
Continuous 10 minutes speeds are more than 40km/h, and fault alarm condition is restricted too tight, cannot will alarm when causing system jam
Signal passes to driver in time, and there is also security risk, fault detection method of the present invention is to continue vehicle-speed monitoring, as long as speed
More than tyre pressure sensor acceleration threshold wake-up value, the duration was more than T2 minutes, you can starts timing, in the range of timing T3 minutes
No tyre pressure sensor data are sent, and will send fault alarm, can remind driver that there are the system failures faster.
Note：T1：It can be set according to demand, generally be required to meet fault alarm detection demand and actual driving operating mode；
T2：T2 requirements are more than acceleration wake-up period；
T3：Meet the time of GB requirements.
The positive effect of the present invention is tire when can improve frequent short time congestion low speed driving in urban traffic situation or stop
The real-time of numerical value is pressed, improves the promptness of output alarm signal when tire pressure monitoring system breaks down.
Description of the drawings
Fig. 1 show tire pressure monitoring system work block diagram.
Fig. 2 show heretofore described tyre pressure sensor red light pattern diagram.
Tire pressure monitoring system breakdown judge logical schematic heretofore described Fig. 3.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：A kind of tire pressure monitoring system fault judgment method,
Be made of a tire pressure monitoring module and four tyre pressure sensors, tyre pressure sensor main operation modes have static schema and
Dynamic mode only when tyre pressure sensor detects that wheel speed rotates, could enter dynamic mode and carry out data sending,
It is characterized in that：Red light pattern is added in tyre pressure sensor, wherein tire pressure transmitter is mounted in wheel, tyre pressure sensor
Inside there is chip to be used for detecting centripetal acceleration, the numerical value of centripetal acceleration is used for judging the substantially speed of vehicle, if working as speed
For 20km/h, then corresponding centripetal acceleration value is 6g, configures acceleration offset level in the chips（Offset STEP）For
6, that is, detect centripetal acceleration in below 6g（Speed is in below 20km/h）Do not send data then, it is on the contrary then emit data.
According to above-mentioned logic, when vehicle waits red light or congestion road surface to run at a low speed, acceleration detection value can be less than
6g, then tyre pressure sensor will not emit data；When vehicle stall car locking, tyre pressure sensor can also stop emitting number at once
According to when under vehicle low speed, transmitter acceleration is fluctuated in 6g, and fluctuating range is changeable, such as road not congestion, simply red
Lamp is more and closer to the distance, then above-mentioned strategy can be caused under special road conditions, and traveling cannot receive tire pressure data to vehicle for a long time.
Static schema：Tyre pressure sensor can't detect speed or speed is too low less than 20km/h, and tyre pressure sensor is not sent out
Penetrate tire pressure data；
Dynamic mode：Tyre pressure sensor persistently detects speed (60s is detected 1 time), and when detecting speed ＞ 20km/h, tire pressure senses
Device periodicity sending tire pressure data；
Red light pattern：After tyre pressure sensor enters dynamic mode, if running into red light among traveling, traditional tyre pressure sensor detection
Less than speed, data cannot be sent into dynamic mode（The so-called data that traditional vehicle is shown are historical data, that is, mantissa
According to）, and red light Model Design is, red light or congestion pause are run into after sensor enters dynamic mode, tyre pressure sensor can be again
Persistently send T1min data, it is ensured that in congestion and to wait tire pressure data under red lights pattern be truthful data always.
Specific method is as follows：Tire pressure monitoring system fault method need to detect speed be continued above time of 40km/h >=
It is used as breakdown judge condition within 10 minutes.For the urban traffic situation of increasingly congestion, most of road conditions vehicle running state is difficult to reach
It is more than 40km/h to 10 minutes speeds are continued, fault alarm condition is restricted too tight, cannot be incited somebody to action when causing system jam
Alarm signal passes to driver in time, and there is also security risk, fault detection method of the present invention is to continue vehicle-speed monitoring, as long as
Speed is more than tyre pressure sensor acceleration threshold wake-up value, and the duration was more than T2 minutes, you can starts timing, T3 minutes models of timing
It encloses interior no tyre pressure sensor data to send, fault alarm will be sent, can remind driver that there are the system failures faster.
Note：T1：It can be set according to demand, generally be required to meet fault alarm detection demand and actual driving operating mode；
T2：T2 requirements are more than acceleration wake-up period；
T3：Meet the requirement that GB26149 requirement tire pressure monitoring system fault alarms must be sent in 10min.
Such as Fig. 2, red light pattern is added in tyre pressure sensor, delay T1 enters static schema, it is ensured that low speed in driving
The real-time of tire pressure numerical value in traveling and frequently parking.
As shown in figure 3, with reference to red light pattern, tire pressure monitoring system is it is first determined whether receive the high frequency of tyre pressure sensor
According to, if receiving high-frequency data, system finishing, if can not receive data, tire pressure monitoring system persistently carries out vehicle-speed monitoring,
As long as speed was more than the threshold wake-up value duration more than T2 minutes（Mean within T2 minutes that tyre pressure sensor can centainly send tire pressure
Data）, that is, time tag position is put, then progress timing judgement, in the range of timing T3, as long as receiving tyre pressure sensor data, then
Flag bit is reset, and restarts to judge, if continuing not receiving tyre pressure sensor data in T3 time ranges, will be judged
Fault alarm（Because there is the presence of red light pattern, tyre pressure sensor is in lasting transmitting data, if in the range of T3 in the range of T3
Confiscate data, it was demonstrated that tyre pressure sensor failure can carry out fault alarm）.Therefore, this decision logic can be quickly and effectively
Judge tire pressure monitoring system whether failure.
Traditional tire pressure monitoring system fault method needs to detect time >=10 minute that speed is continued above 40km/h
As breakdown judge condition.For the urban traffic situation of increasingly congestion, most of road conditions vehicle running state, which is difficult to reach, to be continued
10 minutes speeds are more than 40km/h, and fault alarm condition is restricted too tight, cannot be by alarm signal when causing system jam
Number driver is passed in time, there is also security risk, and whether this determination methods quickly and effectively judges tire pressure monitoring system
Failure.
In a vapour passenger car vehicle, red light pattern and this breakdown judge mode are employed, T2 is set as 1 minute,
T3 is set as 8 minutes,, can be preferable no more than 10 minutes from vehicle launch to the final fault alarm time in real steering vectors
Solve the problems, such as the more difficult triggering of tire pressure monitoring system fault alarm, preferably tire state can be monitored.
As shown in Figure 1, after judging fault alarm, warning message is given to by tire pressure monitoring module with CAN message through gateway
Display unit instrument carries out the indicator light of warning message by instrument and word is reminded to user.
Note：T1：It can be set according to demand, generally be required to meet fault alarm detection demand and actual driving operating mode；
T2：T2 requirements are more than acceleration wake-up period；
T3：Meet the time of GB requirements.
Claims (1)
1. a kind of tire pressure monitoring system fault judgment method is made of, tire a tire pressure monitoring module and four tyre pressure sensors
Pressure sensor main operation modes have static schema and dynamic mode, only when tyre pressure sensor detects that wheel speed rotates
It waits, dynamic mode could be entered and carry out data sending, it is characterised in that：Red light pattern is added in tyre pressure sensor,
Middle tire pressure transmitter is mounted in wheel, has chip to be used for detecting centripetal acceleration, the number of centripetal acceleration in tyre pressure sensor
Value is used for judging the substantially speed of vehicle, if when speed is 20km/h, corresponding centripetal acceleration value is 6g, in chip
Middle configuration acceleration offset level Offset STEP are 6, that is, detect centripetal acceleration in below 6g, speed 20km/h with
Under do not send data then, it is on the contrary then emit data;
According to above-mentioned logic, when vehicle waits red light or congestion road surface to run at a low speed, acceleration detection value can be less than 6g, that
Tyre pressure sensor will not emit data；When vehicle stall car locking, tyre pressure sensor can also stop emitting data at once, work as vehicle
Under low speed, transmitter acceleration is fluctuated in 6g, and fluctuating range is changeable, such as road not congestion, simply red light it is more and
It is closer to the distance, then above-mentioned strategy can be caused under special road conditions, and traveling cannot receive tire pressure data to vehicle for a long time;
Static schema：Tyre pressure sensor can't detect speed or speed is too low less than 20km/h, and tyre pressure sensor does not emit tire
Press information data；
Dynamic mode：Tyre pressure sensor persistently detects speed 60s and detects 1 time, when detecting speed ＞ 20km/h, tyre pressure sensor
Periodicity sending tire pressure data；
Red light pattern：After tyre pressure sensor enters dynamic mode, if running into red light among traveling, traditional tyre pressure sensor detection
Less than speed, data cannot be sent into dynamic mode, and red light Model Design is, is run into after sensor enters dynamic mode
Red light or congestion pause, tyre pressure sensor can persistently send T1min data again, it is ensured that in congestion and wait tire under red lights pattern
It is truthful data always to press data;
Specific method is as follows：Tire pressure monitoring system fault method needs to detect time >=10 point that speed is continued above 40km/h
Clock is as breakdown judge condition；For the urban traffic situation of increasingly congestion, most of road conditions vehicle running state, which is difficult to reach, to be held
Continuous 10 minutes speeds are more than 40km/h, and fault alarm condition is restricted too tight, cannot will alarm when causing system jam
Signal passes to driver in time, and there is also security risk, fault detection method of the present invention is to continue vehicle-speed monitoring, as long as speed
More than tyre pressure sensor acceleration threshold wake-up value, the duration was more than T2 minutes, you can starts timing, in the range of timing T3 minutes
No tyre pressure sensor data are sent, and will send fault alarm, can remind driver that there are the system failures faster；
Note：T1：It can be set according to demand, generally be required to meet fault alarm detection demand and actual driving operating mode；
T2：T2 requirements are more than acceleration wake-up period；
T3：Meet the time of GB requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022548.6A CN108045179B (en) | 2017-10-27 | 2017-10-27 | Tire pressure monitoring system fault judgment method |
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| CN201711022548.6A CN108045179B (en) | 2017-10-27 | 2017-10-27 | Tire pressure monitoring system fault judgment method |
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| CN108045179A true CN108045179A (en) | 2018-05-18 |
| CN108045179B CN108045179B (en) | 2020-04-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397999A (en) * | 2018-12-21 | 2019-03-01 | 李艳华 | A kind of tire pressure monitoring control method of compatible RKE function |
| CN110315916A (en) * | 2019-07-05 | 2019-10-11 | 百度在线网络技术（北京）有限公司 | Method and apparatus for output information |
| CN112590471A (en) * | 2020-12-31 | 2021-04-02 | 东风小康汽车有限公司重庆分公司 | Fault detection method and device of tire pressure monitoring system and electronic equipment |
| CN112693265A (en) * | 2020-12-11 | 2021-04-23 | 江门市大长江集团有限公司 | Electronic instrument alarm device, method, electronic equipment and storage medium |
| CN114559776A (en) * | 2022-04-01 | 2022-05-31 | 成都肯保捷芯辰传感器有限公司 | Non-motor vehicle tire pressure monitoring system and monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397999A (en) * | 2018-12-21 | 2019-03-01 | 李艳华 | A kind of tire pressure monitoring control method of compatible RKE function |
| CN110315916A (en) * | 2019-07-05 | 2019-10-11 | 百度在线网络技术（北京）有限公司 | Method and apparatus for output information |
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| CN112693265A (en) * | 2020-12-11 | 2021-04-23 | 江门市大长江集团有限公司 | Electronic instrument alarm device, method, electronic equipment and storage medium |
| CN112590471A (en) * | 2020-12-31 | 2021-04-02 | 东风小康汽车有限公司重庆分公司 | Fault detection method and device of tire pressure monitoring system and electronic equipment |
| CN114559776A (en) * | 2022-04-01 | 2022-05-31 | 成都肯保捷芯辰传感器有限公司 | Non-motor vehicle tire pressure monitoring system and monitoring method |
| CN114559776B (en) * | 2022-04-01 | 2024-04-16 | 成都肯保捷芯辰传感器有限公司 | Non-motor vehicle tire pressure monitoring system and monitoring method |
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