CN100427916C - Wireless monitoring system for tire pressure and temperature - Google Patents
Wireless monitoring system for tire pressure and temperature Download PDFInfo
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- CN100427916C CN100427916C CNB2004100426994A CN200410042699A CN100427916C CN 100427916 C CN100427916 C CN 100427916C CN B2004100426994 A CNB2004100426994 A CN B2004100426994A CN 200410042699 A CN200410042699 A CN 200410042699A CN 100427916 C CN100427916 C CN 100427916C
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- pressure
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- tire
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Abstract
The present invention discloses a wireless monitoring system for tyre pressure and temperature. The system comprises a wireless monitoring and conveying device which is arranged on a steel ring of a tyre, and a digital receiving and displaying device which is arranged in a driver seat of a vehicle body, wherein the wireless monitoring and conveying device comprises a pressure sensor, a temperature sensor, a differential amplifier which is connected with a pressure maker, an attenuator which is connected with the temperature sensor, and a microcontroller which receives and calculates pressure signals from the differential amplifier and temperature signals from the attenuator; the signals are transferred to the digital receiving and displaying device through a resonance antenna by a transmitter and a filter, so a driver can master the condition of the pressure and the temperature of the tyre at any time. Because a centrifugal switch is connected with the microcontroller, when vehicle speed is higher than a certain range (for example speed per hour is from 10 to 20 km), the monitoring system is activated automatically; when the vehicle speed is lower than certain time (such as about 5 minutes), the monitoring system is closed automatically.
Description
Technical field
The present invention relates to a kind of monitoring system, a kind of driver of providing is be provided to control pressure of tire and tire temperature situation fast, with a kind of radio tire pressure and the tire temperature monitoring system of guaranteeing passenger safety in driver and the car.
Background technology
The general vehicles, automobile possesses safe, comfortable and convenient, adds the raising of compatriots' Economic Force, makes domestic automobile quantity grow with each passing day.For the vast consumption group that has automobile, it is of paramount importance can safety reaching the destination, and influence the factor of traffic safety, mental status when driving a vehicle except the driver, outside careful during driving, each member of automobile itself is still arranged (as tire, braking system ... Deng) whether can normally bring into play its function, wherein with tire, except the tyre surface lines whether enough dark, tire pressure and tire temperature all can have influence on the safety of travelling, wherein tire pressure is too high or not enough, the damage of tire is caused in the capital, has only tire pressure when standard value, and the premium properties of tire just can show.Tire pressure is too high, though the resistance of rolling is little, tire and contact area of ground reduce, and causes the wearing and tearing of crown central authorities easily, also because of surface of tyre tension force enlarges, damages easily when being subjected to external force simultaneously, also causes be full of cracks easily.And tire pressure is when not enough, and the resistance of rolling is big, and oil consumption increases, and crown two lateral wearings increase relatively, easily make the tire temperature rise make tyre surface or casing ply delamination simultaneously.
And during automobilism, between the inside tires cord and surface of tyre can make the temperature of tire raise with the continuous friction on ground, too high the causing easily of tire temperature blown out.
In the case, announce " improved device of tyre pressure alarm " patent case No. 186905 before known, promptly proposed to detect pressure of tire and whether crossed low or too high invention; Because its arrangement for detecting is inserted on the valve of tire on the car, every group of detecting structure all must comprise detection radiating circuit and power supply device, and the tire number is many more, and it is many that cost is increased, and the problem of being destroyed easily or stealing.And it there is no the setting of detecting tire temperature, and real inadequate for the detection of tire, above problem assistant officer waits to solve.
Summary of the invention
Fundamental purpose of the present invention provides a kind of radio tire pressure and tire temperature monitoring system, simple structure and with low cost not only, and also in the closely detecting mode of radio resonance, which kind of state the detecting pressure of tire is in, and allows the driver be easy to control tire state.
A further object of the present invention is, according to this kind radio tire pressure of the present invention and tire temperature monitoring system, further provides the setting of detecting tyre temperature, with guarantee to drive and car in passenger's safety.Further with monitoring system
Be installed in the spoke surface of tire steel (aluminium) circle, can guarantee safety, and improve the accuracy that detects, the present invention realizes by the following technical solutions.
A kind of radio tire pressure and tire temperature monitoring system, mainly comprise a wireless monitor conveyer and a digital received display device, the wireless monitor conveyer carries out sensing to the pressure in the tire and temperature after a resonance type antenna is sent to the digital received display device shows in inside tires.
Aforesaid radio tire pressure and tire temperature monitoring system, wherein said wireless monitor conveyer comprises:
One pressure inductor is in order to induction tire internal pressure;
One temperature inductor is in order to the induction tire internal temperature;
One differential amplifier in order to the connection pressure inductor, and will be sent to microcontroller after will amplifying from the signal that pressure inductor is obtained;
One attenuator in order to the connection temperature inductor, and will be sent to microcontroller after the signal that temperature inductor is obtained is handled;
One microcontroller, the temperature signal that transmits in order to pressure signal that differential amplifier is transmitted and attenuator carries out calculation process;
One voltage regulator is connected to microcontroller;
One power switch is connected to microcontroller and power supply (battery);
One current source is connected to pressure inductor and power switch;
One centrifugal switch is connected to microcontroller and power supply (battery), in order to automatically activating monitoring system when the speed of a motor vehicle is higher than certain limit, and is lower than and closes monitoring system when this value range surpasses certain hour automatically;
One transmitter is connected to microcontroller, so that pressure signal and temperature signal that the microcontroller calculation process is finished send;
One filtrator connects transmitter, with the signal filtering that transmitter is sent;
One antenna connects filtrator, and pressure signal and temperature signal after filtrator is filtered are sent to the digital received display device with the resonance pattern.
Aforesaid radio tire pressure and tire temperature monitoring system, described digital received display device, be provided with a LCD panel, the one side also is provided with temperature display button, a pressure display button, a LCD backlight key, a setting key and warning lamp, be shown in the LCD panel with pressure signal that antenna is sent and temperature signal in the mode that numeral shows, and when tire pressure and tire temperature are undesired, warn immediately.
Aforesaid radio tire pressure and tire temperature monitoring system, described wireless monitor conveyer, be installed in the cap, the base of this cap has the radian that is equivalent to the tyre rim periphery, its cap both sides respectively are provided with a perforation for wearing steel bar, it is installed on the outer spoke surface of wheel rim, and near the valve cock position, and its upper end face is provided with an air hole for ease of detected temperatures and pressure of tire.
The present invention compared with prior art has remarkable advantages and beneficial effect.
From the above as can be known, this kind radio tire pressure of the present invention and tire temperature monitoring system are packed with a housing by it
After be installed in the outer spoke surface of wheel rim, can guarantee the safety used, and the pressure and the temperature regime of energy complete detection inside tires, simple structure and with low cost not only, and, can provide more accurate numerical value with the closely detection mode that radio resonates, so that the driver fills part a grasp tire pressure and a tire temperature situation, guarantee the safety of driving, it has improved effect really.
Description of drawings
Fig. 1: be schematic view of the present invention;
Fig. 2: be wireless monitor conveyer square diagrammatic sketch of the present invention;
Fig. 3: be digital received display device plan view of the present invention;
Fig. 4: be of the present invention group of three-dimensional diagrammatic sketch of cap of establishing the wireless monitor conveyer;
Fig. 5: the longitudinal profile diagrammatic sketch that is mounted on steel ring for the present invention;
Fig. 6: the plan view that is mounted on steel ring for the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment is elaborated;
This kind radio tire pressure of the present invention and tire temperature prison side system, as shown in Figure 1, it comprises that mainly a wireless monitor conveyer 1 and that is installed on the tyre rim can be for the digital received display device 2 that is installed in the car body driver's seat; Please refer to shown in Figure 2ly, this wireless monitor conveyer 1 further comprises:
One pressure inductor is in order to induction tire internal pressure;
One temperature inductor is in order to the induction tire internal temperature;
One differential amplifier in order to the connection pressure inductor, and will be sent to microcontroller after will amplifying from the signal that pressure inductor is obtained;
One attenuator in order to the connection temperature inductor, and will be sent to microcontroller after the signal that temperature inductor is obtained is handled;
One microcontroller, the temperature signal that transmits in order to pressure signal that differential amplifier is transmitted and attenuator carries out calculation process;
One voltage regulator is connected to microcontroller;
One power switch is connected to microcontroller and power supply (battery);
One current source is connected to pressure inductor and power switch;
One centrifugal switch, be connected to microcontroller and power supply (battery), automatically activate monitoring system when being higher than certain limit (for example speed per hour 10-20 kilometer) when the speed of a motor vehicle, and be lower than and close monitoring system when this value range surpasses certain hour (for example about 5 minutes) automatically;
One transmitter is connected to microcontroller, so that pressure signal and temperature signal that the microcontroller calculation process is finished send;
One filtrator connects transmitter, with the signal filtering that transmitter is sent;
One antenna 20 connects filtrator, makes pressure signal and temperature signal after the microcontroller calculation process be sent to digital received display device 2 with the resonance pattern after filtering.
This digital received display device 2, as shown in Figure 3, in a LCD panel 31 wherein is set, the one side also is provided with temperature display button 32, a pressure display button 33, a LCD backlight key 34, a setting key 35 and warning lamp 36, is shown in LCD panel 31 with pressure signal and the temperature signal that antenna is sent in the mode that numeral shows.
See also shown in Figure 4, the present invention also is provided with a cap 4, the base 41 of this cap has the radian that is equivalent to the tyre rim periphery, its cap both sides respectively are provided with a perforation 42,43 for wearing steel bar 44, it is installed on the outer spoke surface of wheel rim 5 as shown in Figure 5, and as shown in Figure 6 near valve cock 51 positions.And its upper end face is provided with an air hole 45, so that as shown in Figure 5 after tire 52 installations, carries out the sensing of pressure of tire and tire temperature with pressure inductor and temperature inductor.
Action is as follows during use:
After running car surpassed 10 to 20 kilometers of speed per hours, the centrifugal switch of radio tire pressure monitoring system was activated;
After running car surpasses 10 to 20 kilometers of speed per hours, three signals of emission continuously when standby mode activates, about 40 seconds of each interval;
Every 6 seconds at interval, measure pressure, temperature in the running car;
Every 5 to 10 minutes at interval, launch five times signal in the running car, transmit real-time pressure and temperature to the digital received display that is positioned at pilothouse;
When if pressure or temperature are undesired, launch signal at once ten times in the running car, all at interval about 40 seconds at every turn, and repeated above-mentioned action once every five minutes;
Stop to wait for surpass 5 minutes, centrifugal switch promptly cuts out system, and system is returned to standby mode, saves battery and power consumption, prolongs battery serviceable life.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this instructions has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1, a kind of radio tire pressure and tire temperature monitoring system, mainly comprise a wireless monitor conveyer and a digital received display device, the wireless monitor conveyer carries out sensing to the pressure in the tire and temperature after a resonance type antenna is sent to the digital received display device shows in inside tires; It is characterized in that:
Wherein said wireless monitor conveyer further comprises:
One pressure inductor is in order to induction tire internal pressure;
One temperature inductor is in order to the induction tire internal temperature;
One differential amplifier in order to the connection pressure inductor, and will be sent to microcontroller after will amplifying from the signal that pressure inductor is obtained;
One attenuator in order to the connection temperature inductor, and will be sent to microcontroller after the signal that temperature inductor is obtained is handled;
One microcontroller, the temperature signal that transmits in order to pressure signal that differential amplifier is transmitted and attenuator carries out calculation process;
One voltage regulator is connected to microcontroller;
One power switch is connected to microcontroller and power supply;
One current source is connected to pressure inductor and power switch;
One centrifugal switch is connected to microcontroller and power supply, in order to automatically activating monitoring system when the speed of a motor vehicle is higher than certain limit, and is lower than and closes monitoring system when this value range surpasses certain hour automatically;
One transmitter is connected to microcontroller, so that pressure signal and temperature signal that the microcontroller calculation process is finished send;
One filtrator connects transmitter, with the signal filtering that transmitter is sent;
One antenna connects filtrator, and pressure signal and temperature signal after filtrator is filtered are sent to the digital received display device with the resonance pattern.
2, radio tire pressure according to claim 1 and tire temperature monitoring system, it is characterized in that: described digital received display device, be provided with a LCD panel, the one side is provided with temperature display button, a pressure display button, a LCD backlight key, a setting key and warning lamp, be shown in the LCD panel with pressure signal that antenna is sent and temperature signal in the mode that numeral shows, and when tire pressure and tire temperature are undesired, warn immediately.
3, radio tire pressure according to claim 1 and tire temperature monitoring system, it is characterized in that: described wireless monitor conveyer, be installed in the cap, the base of this cap has the radian that is equivalent to the tyre rim periphery, its cap both sides respectively are provided with a perforation for wearing steel bar, it is installed on the outer spoke surface of wheel rim, and near the valve cock position, and its upper end face is provided with an air hole for ease of detected temperatures and pressure of tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100426994A CN100427916C (en) | 2004-06-01 | 2004-06-01 | Wireless monitoring system for tire pressure and temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100426994A CN100427916C (en) | 2004-06-01 | 2004-06-01 | Wireless monitoring system for tire pressure and temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1704270A CN1704270A (en) | 2005-12-07 |
| CN100427916C true CN100427916C (en) | 2008-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100426994A Expired - Fee Related CN100427916C (en) | 2004-06-01 | 2004-06-01 | Wireless monitoring system for tire pressure and temperature |
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| Country | Link |
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| CN (1) | CN100427916C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257049A (en) * | 2013-05-17 | 2013-08-21 | 广西工学院鹿山学院 | Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre |
| WO2017020840A1 (en) * | 2015-08-04 | 2017-02-09 | Xue Ji | Methods and systems for tire management |
| CN106353006B (en) * | 2016-08-31 | 2019-02-19 | 哈尔滨理工大学 | A kind of inserted saw blade monitor |
| US20180370280A1 (en) * | 2017-06-26 | 2018-12-27 | GM Global Technology Operations LLC | System and method for predicting failure of a wheel bearing in vehicle |
| CN111497531A (en) * | 2019-01-04 | 2020-08-07 | 益力半导体股份有限公司 | Rim punching type monitoring structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043475A (en) * | 1988-12-26 | 1990-07-04 | 王根友 | Monitoring device for tyre working state |
| US5637926A (en) * | 1996-02-20 | 1997-06-10 | Delco Electronics Corp. | Battery powered electronic assembly for wheel attachment |
| JP2001074588A (en) * | 1999-09-02 | 2001-03-23 | Railway Technical Res Inst | Leak inspecting device for pneumatic tire |
| EP1227018A2 (en) * | 2001-01-29 | 2002-07-31 | The Goodyear Tire & Rubber Company | Monitoring pneumatic tire conditions |
| DE20306382U1 (en) * | 2003-04-24 | 2003-07-03 | Variform Industry Ltd | Road vehicle tire pressure warning system is built into rear view mirror |
| CN2580405Y (en) * | 2002-11-22 | 2003-10-15 | 徽昌工业股份有限公司 | Tyre pressure and temperature sensing device for car |
| US20040045348A1 (en) * | 2002-09-10 | 2004-03-11 | Sheng-Hsiung Lin | Pressure detecting device for tires of a vehicle |
-
2004
- 2004-06-01 CN CNB2004100426994A patent/CN100427916C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043475A (en) * | 1988-12-26 | 1990-07-04 | 王根友 | Monitoring device for tyre working state |
| US5637926A (en) * | 1996-02-20 | 1997-06-10 | Delco Electronics Corp. | Battery powered electronic assembly for wheel attachment |
| JP2001074588A (en) * | 1999-09-02 | 2001-03-23 | Railway Technical Res Inst | Leak inspecting device for pneumatic tire |
| EP1227018A2 (en) * | 2001-01-29 | 2002-07-31 | The Goodyear Tire & Rubber Company | Monitoring pneumatic tire conditions |
| US20040045348A1 (en) * | 2002-09-10 | 2004-03-11 | Sheng-Hsiung Lin | Pressure detecting device for tires of a vehicle |
| CN2580405Y (en) * | 2002-11-22 | 2003-10-15 | 徽昌工业股份有限公司 | Tyre pressure and temperature sensing device for car |
| DE20306382U1 (en) * | 2003-04-24 | 2003-07-03 | Variform Industry Ltd | Road vehicle tire pressure warning system is built into rear view mirror |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1704270A (en) | 2005-12-07 |
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Owner name: AUTO TRENDS JIANMEI ELECTRONICS CO LTD Free format text: FORMER OWNER: ASIA PACIFIC MICROSYSTEMS, INC. Effective date: 20060414 |
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Effective date of registration: 20060414 Address after: Taiwan, China Applicant after: Chewang Electronic Co., Ltd. Address before: No. 2, No. six, RD, Hsinchu County, Hsinchu Science Park, Taiwan Applicant before: Yataiyoushi Microsystem Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20130601 |