CN102431397A - Wireless charging monitoring device for automobile tire pressure - Google Patents
Wireless charging monitoring device for automobile tire pressure Download PDFInfo
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- CN102431397A CN102431397A CN2011103578433A CN201110357843A CN102431397A CN 102431397 A CN102431397 A CN 102431397A CN 2011103578433 A CN2011103578433 A CN 2011103578433A CN 201110357843 A CN201110357843 A CN 201110357843A CN 102431397 A CN102431397 A CN 102431397A
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Abstract
The invention relates to equipment for automobile safety, and discloses a wireless charging monitoring device for automobile tire pressure. The monitoring device comprises automobile tire pressure sensors including a temperature sensor, a pressure sensor and an acceleration sensor, a voltage monitoring circuit, an A/D (Analog/Digital) conversion circuit and a microcontroller. The monitoring device is characterized in that a user can wirelessly charge the automobile tire pressure sensors by a wireless charger, the wireless charging part executes energy coupling through an inductance coil so as to realize energy transfer, and an electromagnetic induction circuit part also executes energy coupling and inputs energy. The monitoring device has the advantages that, in the case of under-voltage, the system executes under-voltage alarm, at this time, the user can wirelessly charge the tire pressure sensors through the wireless charger, so that long-term power supply is kept, although the device provided by the invention has very small volume and very low battery capacity, long-term work of the tire pressure monitoring system can be maintained, accidents of tire burst can be reduced, and serious traffic accidents can be reduced; and the monitoring device is efficient, and has remarkable technical progress.
Description
Technical field
The present invention relates to a kind of automotive safety equipment, more particularly, relate to a kind of monitoring device of vehicle tire pressure of wireless charging.
Background technology
At present, in pernicious traffic accident, the traffic accident that causes by blowing out, proportion is very high, and in causing the factor of blowing out, one of first cause is owing to when tire pressure is not enough, do not monitor tire pressure.Now, various countries' green phase is answered law, rules, improves people's awareness of safety, and the U.S. is from August, 2007, and beginning is with legal means, and mandatory requirement is installed tire pressure monitoring system, European Union's requirement, and all European vehicles were installed tire pressure monitoring system in 2012.This has all explained the importance of tire pressure monitoring system.But owing to be installed in the tire pressure monitoring and sensing device system at wheel tyre place, the volume of device is very little, and capacity of cell is very little, can't guarantee the long-term work of tire pressure monitoring system; Simultaneously, tyre pressure sensor is in case installation onboard, is not easy to adopt lead to carry out electrically-charged to it; Existing device, supplying time are limited, have influenced the service life of tyre pressure sensor widely; In use; Because electric weight exhausts, and exists the problem that can't monitor tire pressure, also is the potential safety hazard that causes in the factor of blowing out.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of sensor that adopts the vehicle tire pressure of wireless charging is provided.
A kind of monitoring device of vehicle tire pressure of wireless charging; The sensor that comprises vehicle tire pressure, the circuit with temperature, pressure, three kinds of sensors of acceleration/accel, electric voltage observation circuit, A/D change-over circuit, microcontroller, radio circuit, antenna, LF low frequency wake-up circuit, oscillator, battery, power supply is formed.Microcontroller is analyzed temperature, pressure, acceleration/accel, voltage signal after the A/D conversion; Through radio circuit,, be sent to the receiving end in the car through antenna; Under parking or the flameout state, sensor is in dormant state, is waken up by LF low frequency wake-up circuit, reaches purpose of power saving; Under the situation of under-voltage, system carries out undervoltage warning, it is characterized in that; The user can pass through wireless charger, tyre pressure sensor is carried out wireless charging, the wireless charging part; Carry out the energy coupling through inductance coil, realize transmission of energy, at the electromagnetic induction circuit part; Carry out the energy coupling, intake; Receive the change-over circuit part, changing the output of output primary into direct current (DC); Through the charge circuit part, battery is charged; Charge protector in process of charging, is monitored cell pressure, after voltage reaches requirement, stops charging; Wireless communication section is separated with charge circuit ground terminal partly, single-ended linking to each other, avoids the phase mutual interference; Wireless charging adopts the screened housing shielding, effectively reduces electromagnetic interference; Housing adopts ABS highstrenghtpiston shell, and internal circuit board adopts sealant pouring and sealing, waterproof, anti-salt fog, antivibration; Be designed with resettable fuse in the powered battery circuit, the protective circuit plate can not be damaged under abnormal electrical power supply.
Advantage of the present invention, under the situation of under-voltage, system carries out undervoltage warning, at this moment; The user can pass through wireless charger, and tyre pressure sensor is carried out wireless charging, under parking or flameout state; Sensor is in dormant state, is waken up by LF low frequency wake-up circuit, reaches purpose of power saving; On the basis of prior art, improve, produce the present invention, tyre pressure sensor is carried out wireless charging; Keep permanent power supply; Although the volume of device of the present invention is very little, capacity of cell is very little, can keep the long-term work of tire pressure monitoring system; The accident of blowing out can be reduced, the generation of pernicious traffic accident can be reduced; Of the present invention effective, have significant technological advance.
Description of drawings
Fig. 1 is the block diagram of structure.
Fig. 2 is takes scheme drawing apart.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is made detailed description further.
As shown in the figure, circuit card 1, shell 2, sensor 3, protective tube 4, outer connecting leg 5, valve interface 6 are arranged, be installed in the tire place of each wheel.Tire pressure monitoring and sensing device system, the volume of device is very little, and capacity of cell is very little, wireless charger, the long-term work that keeps tire pressure monitoring system; The sensor of vehicle tire pressure of the present invention is formed by having temperature, pressure, three kinds of sensors of acceleration/accel, electric voltage observation circuit, A/D change-over circuit, microcontroller, battery, charge circuit.Microcontroller is analyzed temperature, pressure, acceleration/accel, voltage signal after the A/D conversion.Be provided with radio circuit, antenna, LF low frequency wake-up circuit, oscillator; Through radio circuit,, be sent to the end of meeting and sending off in the car through antenna; Under parking or the flameout state, sensor is in dormant state, is waken up by LF low frequency wake-up circuit; Under the monitoring device mode of operation of the vehicle tire pressure of wireless charging; Microcontroller is with temperature, pressure, acceleration/accel, the voltage parameter after the A/D conversion, through radio circuit; Be transmitted to main frame through antenna, and show at the screen of main frame; The microcontroller feedback signal is to radio circuit; Microcontroller feedback signal to electromagnetic induction circuit; Main frame is accepted from the radio circuit signal; The main frame feedback signal is to radio circuit.
The wireless charging part is carried out the energy coupling with the external wireless charging unit through inductance coil, realizes transmission of energy, at the electromagnetic induction circuit part, carries out the energy coupling, intake; Receive the change-over circuit part, changing the output of output primary into direct current (DC); Through the charge circuit part, battery is charged; Microcontroller, is monitored cell pressure in process of charging through charge protector, after voltage reaches requirement, stops charging.The ground terminal of wireless communication section and charge circuit part is cut apart single-ended linking to each other, and avoids the phase mutual interference; Wireless portion adopts the screened housing shielding, effectively reduces electromagnetic interference; Housing adopts ABS highstrenghtpiston shell, and internal circuit board adopts sealant pouring and sealing, waterproof, anti-salt fog, antivibration; Be designed with resettable fuse in the powered battery circuit, the protective circuit plate under abnormal electrical power supply, can not be damaged.
Claims (3)
1. the monitoring device of the vehicle tire pressure of a wireless charging; The sensor that comprises vehicle tire pressure; Circuit with temperature, pressure, three kinds of sensors of acceleration/accel, electric voltage observation circuit, A/D change-over circuit, microcontroller, radio circuit, antenna, LF low frequency wake-up circuit, oscillator, battery, power supply is formed; Microcontroller is analyzed temperature, pressure, acceleration/accel, voltage signal after the A/D conversion; Through radio circuit,, be sent to the receiving end in the car through antenna; Under parking or the flameout state, sensor is in dormant state, is waken up by LF low frequency wake-up circuit; Under the situation of under-voltage, system carries out undervoltage warning, it is characterized in that; The user can pass through wireless charger, tyre pressure sensor is carried out wireless charging, the wireless charging part; Carry out the energy coupling through inductance coil, realize transmission of energy, at the electromagnetic induction circuit part; Carry out the energy coupling, intake; Receive the change-over circuit part, changing the output of output primary into direct current (DC); Through the charge circuit part, battery is charged; Charge protector in process of charging, is monitored cell pressure, after voltage reaches requirement, stops charging; Wireless communication section is separated with charge circuit ground terminal partly, single-ended linking to each other, avoids the phase mutual interference.
2. according to the monitoring device of the vehicle tire pressure of the said a kind of wireless charging of claim 1, it is characterized in that said wireless charging adopts the screened housing shielding, effectively reduces electromagnetic interference; Housing adopts ABS highstrenghtpiston shell.
3. according to the monitoring device of the vehicle tire pressure of the said a kind of wireless charging of claim 1, it is characterized in that in the powered battery circuit, be provided with resettable fuse, the protective circuit plate can not be damaged under abnormal electrical power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103578433A CN102431397A (en) | 2011-11-09 | 2011-11-09 | Wireless charging monitoring device for automobile tire pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103578433A CN102431397A (en) | 2011-11-09 | 2011-11-09 | Wireless charging monitoring device for automobile tire pressure |
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| CN102431397A true CN102431397A (en) | 2012-05-02 |
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| CN2011103578433A Pending CN102431397A (en) | 2011-11-09 | 2011-11-09 | Wireless charging monitoring device for automobile tire pressure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729740A (en) * | 2012-08-02 | 2012-10-17 | 合肥昌辉汽车电子有限公司 | Self-powered tire pressure sensor system |
| CN102729741A (en) * | 2012-07-06 | 2012-10-17 | 合肥昌辉汽车电子有限公司 | Wireless electricity supply system for tire pressure sensor |
| CN104760476A (en) * | 2015-04-16 | 2015-07-08 | 黄山市万邦电子科技有限公司 | Charging power supply connection structure and charging method of built-in tire pressure monitoring module |
| CN105527050A (en) * | 2015-12-29 | 2016-04-27 | 广东工业大学 | Wireless rechargeable ZigBee network air pressure sensor |
| CN106597914A (en) * | 2016-06-01 | 2017-04-26 | 成都为远信安电子科技有限公司 | Automotive tire pressure monitoring sensor control chip with energy collection function |
| US10113853B2 (en) | 2016-03-30 | 2018-10-30 | Ford Global Technologies, Llc | Methods for positioning rechargeable tire pressure monitoring sensors |
| CN109906615A (en) * | 2016-11-09 | 2019-06-18 | 马自达汽车株式会社 | Wireless type R-T unit and vehicle |
| CN110315915A (en) * | 2018-03-29 | 2019-10-11 | 长城汽车股份有限公司 | Tire burglary-resisting system, method and machine readable storage medium |
| DE102019103600B3 (en) * | 2019-02-13 | 2019-11-07 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for controlling a wheel electronics and corresponding electric vehicle |
| CN112706567A (en) * | 2021-01-28 | 2021-04-27 | 招商局公路信息技术（重庆）有限公司 | Novel wireless tire pressure monitoring system |
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| US20040070494A1 (en) * | 2002-10-09 | 2004-04-15 | Yingjie Lin | Circuits for coupling signals carrying information to a tire pressure monitoring system in the absence of a receiver |
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| CN101420134A (en) * | 2008-12-10 | 2009-04-29 | 张健 | Apparatus for charging tyre pressure sensor battery by electromagnetic resonance |
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| CN202294099U (en) * | 2011-11-09 | 2012-07-04 | 吉林市航盛宏宇电子有限公司 | Wirelessly-charged automobile tire pressure monitoring device |
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2011
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| US20040070494A1 (en) * | 2002-10-09 | 2004-04-15 | Yingjie Lin | Circuits for coupling signals carrying information to a tire pressure monitoring system in the absence of a receiver |
| US20050258953A1 (en) * | 2004-05-21 | 2005-11-24 | Denso Corporation | Tire inflation pressure sensing apparatus supplied with electrical power via wireless communication |
| CN101468584A (en) * | 2007-12-28 | 2009-07-01 | 上海通运汽车科技有限公司 | Machine for monitoring automotive tire state |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729741A (en) * | 2012-07-06 | 2012-10-17 | 合肥昌辉汽车电子有限公司 | Wireless electricity supply system for tire pressure sensor |
| CN102729740A (en) * | 2012-08-02 | 2012-10-17 | 合肥昌辉汽车电子有限公司 | Self-powered tire pressure sensor system |
| CN104760476A (en) * | 2015-04-16 | 2015-07-08 | 黄山市万邦电子科技有限公司 | Charging power supply connection structure and charging method of built-in tire pressure monitoring module |
| CN105527050A (en) * | 2015-12-29 | 2016-04-27 | 广东工业大学 | Wireless rechargeable ZigBee network air pressure sensor |
| US10113853B2 (en) | 2016-03-30 | 2018-10-30 | Ford Global Technologies, Llc | Methods for positioning rechargeable tire pressure monitoring sensors |
| CN106597914A (en) * | 2016-06-01 | 2017-04-26 | 成都为远信安电子科技有限公司 | Automotive tire pressure monitoring sensor control chip with energy collection function |
| CN109906615A (en) * | 2016-11-09 | 2019-06-18 | 马自达汽车株式会社 | Wireless type R-T unit and vehicle |
| CN109906615B (en) * | 2016-11-09 | 2022-07-22 | 马自达汽车株式会社 | Wireless transmitting and receiving device and vehicle |
| CN110315915A (en) * | 2018-03-29 | 2019-10-11 | 长城汽车股份有限公司 | Tire burglary-resisting system, method and machine readable storage medium |
| CN110315915B (en) * | 2018-03-29 | 2021-08-06 | 长城汽车股份有限公司 | Tire theft prevention system, method, and machine-readable storage medium |
| DE102019103600B3 (en) * | 2019-02-13 | 2019-11-07 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for controlling a wheel electronics and corresponding electric vehicle |
| CN112706567A (en) * | 2021-01-28 | 2021-04-27 | 招商局公路信息技术（重庆）有限公司 | Novel wireless tire pressure monitoring system |
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Application publication date: 20120502 |