CN103832224A - Tire pressure monitoring system and device - Google Patents
Tire pressure monitoring system and device Download PDFInfo
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- CN103832224A CN103832224A CN201410081164.1A CN201410081164A CN103832224A CN 103832224 A CN103832224 A CN 103832224A CN 201410081164 A CN201410081164 A CN 201410081164A CN 103832224 A CN103832224 A CN 103832224A
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Abstract
The invention discloses a tire pressure monitoring system and a tire pressure monitoring device. The tire pressure monitoring system comprises the tire pressure monitoring device and a data acquiring device, wherein the tire pressure monitoring device is used for monitoring a tire parameter in real time, recording primary state data into an internal memory of the tire pressure monitoring device and sending the state data to the data acquiring device when the tire parameter reaches the preset value; the data acquiring device is used for acquiring the state data including recording time and tire parameters. According to the tire pressure monitoring system and the tire pressure monitoring device, the tire parameters including the pressure and the like can be monitored in real time, thus achieving real-time monitoring and pre-warning purposes; a driving state of an automobile in a certain time and the situation changes of the parameters including the pressure, the temperature, the accelerated speed and the like can be recorded, so that the track record to the driving state of the automobile is realized, and the stability and the reliability are improved; meanwhile, the system and the device can further play helping roles in the driving state analysis, troubleshooting and the like of the automobile after an event and even play certain reference roles in the accident cause affirmation of vehicles.
Description
Technical field
The present invention relates to tire pressure monitoring technical field, especially relate to a kind of tire pressure monitoring system and device.
Background technology
Automobile is in the process of running at high speed, and tire fault is the major reason of sudden traffic accident, and according to statistics, the traffic accident occurring on China Expressway has 70% to cause owing to blowing out, and in this ratio of the U.S. up to 80%.How preventing from blowing out becomes an important topic of safe driving, and the tyre pressure maintaining the standard travels and find that in time tire gas leakage is to prevent the key of blowing out, and tire pressure monitoring system (TPMS) is certainly a desirable instrument.
Tire pressure monitoring system is mainly divided into two types, and a kind of is the indirect type tire pressure monitoring system (WSBSTPMS) that indirectly obtains tire pressure by detecting wheel velocity; Another kind is to adopt pressure inductor directly to obtain the direct-type tire pressure monitoring system (PSBTPMS) of tire pressure.Wherein, direct-type tire pressure monitoring system is all preponderated in function and performance, direct-type tire pressure monitoring system comprises device for monitoring tyre pressure and reception facilities, its utilization is arranged on each device for monitoring tyre pressure of taking turns tyre cavity directly measures the air pressure of tire, device for monitoring tyre pressure utilizes wireless launcher that pressure information is sent to the reception facilities of automobile from inside tires, this reception facilities shows in real time to each tire pressure data, in the time that tire pressure is too low or leak gas, reception facilities is understood automatic alarm, plays the object of real-time monitoring and early warning.
But existing tire pressure monitoring system, although can monitor in real time and early warning tire pressure, but there is no the function of data logging, in reception facilities power-off, automobile et out of order or the accident of automobile, just lose effect completely, therefore, the function of existing tire pressure monitoring system is perfect not enough.
Summary of the invention
Main purpose of the present invention is to provide a kind of tire pressure monitoring system and device that can carry out to running car situation track record, improves its function.
To achieve these objectives, the present invention proposes a kind of tire pressure monitoring system, comprises device for monitoring tyre pressure and data acquisition facility, wherein:
Device for monitoring tyre pressure, for Real-Time Monitoring tire parameter, in the time that described tire parameter reaches preset value, records a status data to its internal storage, sends described status data to described data acquisition facility;
Data acquisition facility, for obtaining described status data;
Wherein, described status data comprises writing time and described tire parameter.
Preferably, described device for monitoring tyre pressure is used for: initiatively send described status data to described data acquisition facility, or send described status data to this data acquisition facility after receiving the sending request of described data acquisition facility.
Preferably, described device for monitoring tyre pressure is used for: with the timing of accumulated counts mode, the cumulative time when recording described status data is as writing time, and cumulative time simultaneously send described status data in the time sending described status data time.
Preferably, described data acquisition facility is used for: when obtaining described status data, according to formula T
then=T
now-(T2-T1) reduction is recorded the moment, wherein T
thenrecording the moment when recording described status data, T
nowfor obtaining the moment of described status data, T2 is the cumulative time while sending described status data, and T1 is the cumulative time while recording described status data.
Preferably, described status data also comprises vehicle running state.
Preferably, described tire parameter comprises pressure, temperature or the acceleration/accel of tire.
The present invention proposes a kind of device for monitoring tyre pressure simultaneously, comprises record cell, memory cell and transmitting element, wherein:
Record cell, for Real-Time Monitoring tire parameter, in the time detecting that tire parameter reaches preset value, records a status data to described memory cell, and described status data comprises writing time and described tire parameter;
Transmitting element, for sending described status data to external device.
Preferably, described transmitting element is used for: initiatively send described status data to the external device of pairing, or send described status data to this external device after receiving the sending request of external device.
Preferably, described record cell is used for: with the timing of accumulated counts mode, the cumulative time when recording described status data is as writing time, and the cumulative time simultaneously generating while sending described status data in the time outwards sending described status data sends to external device for described transmitting element.
A kind of tire pressure monitoring system provided by the present invention and device, pressure and other parameters that not only can Real-Time Monitoring tire, reaches the object of real-time monitoring and early warning; Can also record in certain hour the motoring condition of automobile and the pressure of tire, temperature, the isoparametric situation of change of acceleration/accel, to realize the track record to running car situation, perfect its function, has improved stability and reliability.Simultaneously can also play booster action to running car status analysis, investigation fault etc. afterwards, even car accident cause determination be played to certain reference role.
Brief description of the drawings
Fig. 1 is the structured flowchart of tire pressure monitoring system one embodiment of the present invention;
Fig. 2 is the structured flowchart of device for monitoring tyre pressure one embodiment of the present invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, tire pressure monitoring system one embodiment of the present invention is proposed, described tire pressure monitoring system comprises device for monitoring tyre pressure 100 and data acquisition facility 200, between described device for monitoring tyre pressure 100 and data acquisition facility 200, be connected by wired or wireless mode, and by specific protocol transmission data.
Wherein device for monitoring tyre pressure 100 is installed on inside tires, mainly contains two large functions:
1, for tire parameters, particularly tire pressure parameter such as the air pressure in Real-Time Monitoring tire (pressure), temperature, and send to the reception facilities of automobile, this reception facilities shows tire pressure in real time, realizes the object of monitoring in real time and early warning;
2, for the status data of registration of vehicle and be stored in its non-volatile internal storage.Requirement for device for monitoring tyre pressure to volume, power consumption, cost, it is mainly the restriction of storage space and power consumption, status data under the device for monitoring tyre pressure 100 essential record special states of the present embodiment, as the tire parameters such as tire pressure, temperature or acceleration/accel change, and while reaching preset value, just record a status data to internal storage.Then described status data is sent to data acquisition facility 200.
The status data of record at least comprises writing time and tire parameter each time, the parameters such as pressure that described tire parameter changes, temperature, acceleration/accel.Preferably, described status data can also comprise vehicle running state, this vehicle running state is the residing motoring condition of current automobile of device for monitoring tyre pressure 100 internal simulations, as: halted state, motoring condition, stablize motoring condition, halted state etc., thereby obtain more detailed status data, be conducive to more fully tracing record running car situation.
Described device for monitoring tyre pressure 100 specifically as shown in Figure 2, comprises, comprises record cell 110, memory cell 120 and transmitting element 130, wherein,
Record cell 110: for the status data of registration of vehicle and be stored in memory cell 120, preferably, detecting that tire parameter changes while reaching preset value, record a status data and arrives memory cell 120.Writing time during for recording status data, the moment of recording when record cell 110 can directly obtain recording status data by time meter is used as writing time; Or, record cell 110 also can be by timer with the timing of accumulated counts mode, the cumulative time adopts software to count cumulative mode, use the parameter register of 4 bytes to preserve, in seconds, timer often wakes wakeup time last time interval of one-accumulate up, thus the cumulative time during using recording status data as writing time, and cumulative time simultaneously generate status data in the time of outside status data time.
Transmitting element 130: for to external device status data such as data acquisition facilities.Transmitting element 130 can be initiatively to data acquisition facility 200 status data such as external device such as grade of pairing, or receive backward this external device status data that sends request of the external devices such as data acquisition facility 200; The cumulative time in the time that be recording status data writing time, cumulative time when transmitting element 130 also outwards sends status data simultaneously.The initiatively situation of status data of transmitting element 130, can be when automatic outwards status data immediately after status data of the every record of record cell 110, also can reach the pre-conditioned rear outside status data automatically such as certain capacity at the status data that meets storage in interval Preset Time, memory cell 120.There are enough storage space store status data in order to ensure device for monitoring tyre pressure 100, device for monitoring tyre pressure 100 can timing or be met when pre-conditioned and clear up the status data in memory cell 120, or empties immediately memory cell 120 after status data sends.
Data acquisition facility 200: for obtaining the status data of device for monitoring tyre pressure 100, and can analyze status data, analysis result is shown by the display module of self or is uploaded to other equipment shown, to feed back the parameter situations of change such as the travel conditions of automobile in certain hour and tire pressure, temperature, acceleration/accel to user.Data acquisition facility 200 can be integrated in other relevant devices of automobile as reception facilities of aforementioned real-time demonstration tire pressure etc., also can be used as mobile terminal and is independent of automobile storage and exists.Data acquisition facility 200 can passive reception from the status data of device for monitoring tyre pressure 100, also can active request device for monitoring tyre pressure 100 status data.
When device for monitoring tyre pressure 100 by timer with the timing of accumulated counts mode, when cumulative time as writing time when recording described status data, data acquisition facility 200 is in obtaining described status data, also according to formula T
then=T
now-(T2-T1) restore recording the moment of status data, wherein T
thenrecording the moment during for device for monitoring tyre pressure 100 recording status data, T
nowfor the moment that data acquisition facility 200 obtains status data, cumulative time when T2 is device for monitoring tyre pressure 100 status data, cumulative time when T1 is device for monitoring tyre pressure 100 recording status data.
Accordingly, tire pressure monitoring system of the present invention and device, pressure and other parameters that not only can Real-Time Monitoring tire, reaches the object of real-time monitoring and early warning; Can also record in certain hour the motoring condition of automobile and the pressure of tire, temperature, the isoparametric situation of change of acceleration/accel, to realize the track record to running car situation, perfect its function, has improved stability and reliability.Simultaneously can also play booster action to running car status analysis, investigation fault etc. afterwards, even car accident cause determination be played to certain reference role.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a tire pressure monitoring system, is characterized in that, comprises device for monitoring tyre pressure and data acquisition facility, wherein:
Device for monitoring tyre pressure, for Real-Time Monitoring tire parameter, in the time that described tire parameter reaches preset value, records a status data to its internal storage, sends described status data to described data acquisition facility;
Data acquisition facility, for obtaining described status data;
Wherein, described status data comprises writing time and described tire parameter.
2. tire pressure monitoring system according to claim 1, it is characterized in that, described device for monitoring tyre pressure is used for: initiatively send described status data to described data acquisition facility, or send described status data to this data acquisition facility after receiving the sending request of described data acquisition facility.
3. tire pressure monitoring system according to claim 1, it is characterized in that, described device for monitoring tyre pressure is used for: with the timing of accumulated counts mode, the cumulative time when recording described status data is as writing time, and cumulative time simultaneously send described status data in the time sending described status data time.
4. tire pressure monitoring system according to claim 3, is characterized in that, described data acquisition facility is used for: when obtaining described status data, according to formula T
then=T
now-(T2-T1) reduction is recorded the moment, wherein T
thenrecording the moment when recording described status data, T
nowfor obtaining the moment of described status data, T2 is the cumulative time while sending described status data, and T1 is the cumulative time while recording described status data.
5. according to the tire pressure monitoring system described in claim 1-4 any one, it is characterized in that, described status data also comprises vehicle running state.
6. according to the tire pressure monitoring system described in claim 1-4 any one, it is characterized in that, described tire parameter comprises pressure, temperature or the acceleration/accel of tire.
7. a device for monitoring tyre pressure, is characterized in that, comprises record cell, memory cell and transmitting element, wherein:
Record cell, for Real-Time Monitoring tire parameter, in the time detecting that described tire parameter reaches preset value, records a status data to described memory cell, and described status data comprises writing time and described tire parameter;
Transmitting element, for sending described status data to external device.
8. device for monitoring tyre pressure according to claim 6, is characterized in that, described transmitting element is used for: initiatively send described status data to the external device of pairing, or send described status data to this external device after receiving the sending request of external device.
9. device for monitoring tyre pressure according to claim 6, it is characterized in that, described record cell is used for: with the timing of accumulated counts mode, the cumulative time when recording described status data is as writing time, and the cumulative time simultaneously generating while sending described status data in the time outwards sending described status data sends to external device for described transmitting element.
10. according to the device for monitoring tyre pressure described in claim 7-9 any one, it is characterized in that, described status data also comprises vehicle running state.
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| CN201410081164.1A CN103832224B (en) | 2014-03-06 | 2014-03-06 | Tire pressure monitoring system and device |
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| CN201410081164.1A CN103832224B (en) | 2014-03-06 | 2014-03-06 | Tire pressure monitoring system and device |
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Cited By (6)
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| CN104786753A (en) * | 2015-03-25 | 2015-07-22 | 王方圆 | Tire pressure monitoring system with signal matching device |
| CN107741331A (en) * | 2017-11-29 | 2018-02-27 | 厦门日上运通物联网有限公司 | A kind of method for testing tyre performance |
| CN107808430A (en) * | 2017-10-31 | 2018-03-16 | 深圳市道通科技股份有限公司 | Computer-readable recording medium, fault detection method and device |
| CN107878128A (en) * | 2017-12-13 | 2018-04-06 | 上海为彪汽配制造有限公司 | Guarantee to keep in good repair writing system and record the data acquisition device of tire pressure monitor measurement information |
| CN108225659A (en) * | 2017-12-27 | 2018-06-29 | 深圳市道通科技股份有限公司 | Tyre pressure sensor information acquisition method, device, storage medium and electronic equipment |
| CN109130717A (en) * | 2018-10-31 | 2019-01-04 | 东风汽车电子有限公司 | A kind of commercial vehicle tire pressure monitoring system of configurableization |
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| CN104786753A (en) * | 2015-03-25 | 2015-07-22 | 王方圆 | Tire pressure monitoring system with signal matching device |
| CN107808430A (en) * | 2017-10-31 | 2018-03-16 | 深圳市道通科技股份有限公司 | Computer-readable recording medium, fault detection method and device |
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| CN107878128A (en) * | 2017-12-13 | 2018-04-06 | 上海为彪汽配制造有限公司 | Guarantee to keep in good repair writing system and record the data acquisition device of tire pressure monitor measurement information |
| 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 |
| CN108225659A (en) * | 2017-12-27 | 2018-06-29 | 深圳市道通科技股份有限公司 | Tyre pressure sensor information acquisition method, device, storage medium and electronic equipment |
| CN108225659B (en) * | 2017-12-27 | 2020-03-24 | 深圳市道通科技股份有限公司 | Tire pressure sensor information acquisition method and device, storage medium and electronic equipment |
| CN109130717A (en) * | 2018-10-31 | 2019-01-04 | 东风汽车电子有限公司 | A kind of commercial vehicle tire pressure monitoring system of configurableization |
| CN109130717B (en) * | 2018-10-31 | 2023-07-14 | 东风电驱动系统有限公司 | Configurable commercial vehicle tire pressure monitoring system |
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Address after: 518057 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Park B1 building 7 layer, 8 layer, 10 layer Applicant after: SHENZHEN AUTEL TECHNOLOGY CO., LTD. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Xili town tea light road on the south side of Shenzhen integrated circuit design and application of Industrial Park 106, 107, 109, 114 Applicant before: Shenzhen Autel Technology Co., Ltd. |
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