WO2016041391A1 - 一种补片式无源声表面波传感装置及智能轮胎 - Google Patents
一种补片式无源声表面波传感装置及智能轮胎 Download PDFInfo
- Publication number
- WO2016041391A1 WO2016041391A1 PCT/CN2015/081131 CN2015081131W WO2016041391A1 WO 2016041391 A1 WO2016041391 A1 WO 2016041391A1 CN 2015081131 W CN2015081131 W CN 2015081131W WO 2016041391 A1 WO2016041391 A1 WO 2016041391A1
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- WIPO (PCT)
- Prior art keywords
- acoustic wave
- surface acoustic
- rubber sheet
- sensing device
- wave sensor
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/04—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by acoustic means
Definitions
- the present invention relates to a passive surface acoustic wave sensing device, and more particularly to a patch-type passive surface acoustic wave sensing device and a smart tire.
- Tire pressure monitoring system not only provides “pre-active” safety protection, but also effectively detects tire puncture accidents by monitoring tire pressure and temperature in real time, and can reduce vehicle fuel consumption. Guarantee the performance and life of the vehicle, with economic benefits and green environmental protection.
- the tire pressure sensing device is the main sensor component of the tire pressure monitoring system.
- the tire pressure sensing device on the market is generally active, that is, the pressure sensor, the power source, the microprocessor, and the wireless communication module are integrally packaged. , installed on the tire valve or hub.
- the active sensing device needs to be provided with a battery maintenance device, has a large volume, and needs to be replaced periodically, which is inconvenient and environmentally unfriendly.
- the tire pressure sensing device mounted on the tire valve or the hub is not in direct contact with the tire, and the temperature monitored is the temperature of the air inside the tire, not the real-time temperature of the tire, so the valve mounting method and the hub mounting method Monitoring of tire temperature is indirectly not real-time.
- the tire pressure sensing device is mounted on or around the valve, which may cause damage to the nozzle or the transmitting module during tire maintenance and exchange, resulting in failure of the tire pressure monitoring system.
- the present invention proposes a passive surface acoustic wave sensing device.
- a patch type passive surface acoustic wave sensing device comprising a surface acoustic wave sensor and at least a first rubber sheet and a second rubber sheet, wherein the first rubber sheet and the second rubber sheet have a cross section larger than the sound Surface a cross section of the wave sensor, the bottom of the surface acoustic wave sensor is fixed on an upper surface of the first rubber sheet, and the second rubber sheet is centrally opened with a first central hole through which the surface acoustic wave sensor passes The surface acoustic wave sensor passes through the first central hole, and the second rubber sheet is fixed to an upper surface of the first rubber sheet, and the surface acoustic wave sensor includes a pin disposed at a bottom thereof. The free end of the pin is connected to an antenna, and the antenna and a portion of the lead are buried in the first rubber sheet.
- a PCB circuit board is further disposed between the surface acoustic wave sensor and the first rubber sheet, and the PCB circuit board has a The pin corresponds to a through hole through which the pin is connected to the antenna.
- the PCB circuit board has high temperature and high voltage resistance.
- a third rubber sheet is further fixed on the upper surface of the second rubber sheet, and a center hole of the third rubber sheet is provided with a second center hole through which the surface acoustic wave sensor passes.
- a surface wave sensor passes through the second central aperture.
- the outer surface of the surface acoustic wave sensor is packaged with a casing, and the lead protrudes outside the casing.
- the apertures of the first central hole and the second central hole are larger than the outer diameter of the surface acoustic wave sensor.
- a gap between the inner wall of the first central hole and the second central hole and the surface acoustic wave sensor is not less than 0.1 cm.
- the first rubber sheet, the second rubber sheet, the third rubber sheet, and the passive surface acoustic wave sensor device including the same are placed in a specific mold and fixed by a vulcanization process.
- the pins are two, and the antenna connected thereto is a spring type or a wire dipole antenna.
- the present invention simultaneously provides a wisdom A tire capable comprising the patch type passive surface acoustic wave sensing device according to any one of claims 1 to 8, wherein the patch type passive surface acoustic wave sensing device is fixed to an inner wall of the tire.
- the patch passive surface acoustic wave sensing device is bonded and fixed to the tire by cold vulcanized glue.
- the patch passive surface acoustic wave sensing device of the present invention uses a passive surface acoustic wave sensor to detect parameters such as pressure and temperature, which can be avoided.
- a series of problems of all active devices can be widely applied to the environment where it is inconvenient to replace the battery (such as inside the tire, inside the sealed device, etc.), and the passive surface acoustic wave sensing device can be directly disposed on the inner surface of the tire. Direct contact with the carcass allows direct measurement of the temperature of the tire in real time.
- the passive surface acoustic wave sensing device into a patch type, it can be vulcanized and fixed on the inner surface of the tire by low temperature and low pressure, or it can be glued to the inner surface of the tire, thereby avoiding adopting
- the conventional method fixes the tire when it is vulcanized, and at this time, it is subjected to a high temperature and high pressure vulcanization process together with the tire carcass when it is fixed on the inner surface of the tire, thereby avoiding the vulcanization temperature and the vulcanization temperature in the vulcanization tank during the vulcanization process of the carcass.
- the pressure is large, and the surface acoustic wave sensor is easily damaged under such working conditions.
- FIG. 1 is a schematic structural view of an embodiment of a patch-type passive surface acoustic wave sensing device according to the present invention
- Figure 2 is an A-direction view of the figure
- FIG. 3 is a schematic view showing the external structure of the surface acoustic wave sensor 101 of FIG. 1;
- FIG. 4 is a schematic structural view of an embodiment of a smart tire according to the present invention.
- Embodiment 1 provides a patch-type passive surface acoustic wave sensing device.
- the present invention includes a surface acoustic wave sensor 101 and at least a first rubber sheet 201 and a second rubber sheet 202.
- the cross section of the first rubber sheet 201 and the second rubber sheet 202 is larger than the cross section of the surface acoustic wave sensor 101, and the bottom of the surface acoustic wave sensor 101 is fixed to the upper surface of the first rubber sheet 201.
- the second rubber sheet 202 is centrally provided with a first central hole 204 through which the surface acoustic wave sensor passes, and the surface acoustic wave sensor 101 is worn.
- the second rubber sheet 202 is fixed to the upper surface of the first rubber sheet 201, and the surface acoustic wave sensor 101 includes a pin 102 disposed at a bottom thereof, the lead The free end of the leg 102 is connected to an antenna 103, and the antenna 103 and a portion of the pin 102 are buried in the first rubber sheet 201.
- the passive surface acoustic wave sensing device exposes the surface of the surface acoustic wave sensor 101 by using the first rubber sheet to fix the surface acoustic wave sensor 101 and the second rubber sheet to protect the periphery of the surface acoustic wave sensor 101.
- the overall composition of the patch structure is designed, and the first rubber sheet 201 can be fixed to the target position during installation.
- the passive surface acoustic wave sensing device of the present embodiment utilizes the principle of surface acoustic wave sensing as a passive detecting device, and sends an inquiry signal to the outside through the outside, since the passive surface acoustic wave sensor 101 is at different pressures, In the environment such as temperature, the parameter characteristics also change accordingly. This change will be reflected in the feedback signal to the inquiry signal.
- the outside world can obtain the pressure, temperature and other information by analyzing the feedback signal.
- the patch type passive surface acoustic wave sensing device can be widely applied to an environment where it is inconvenient to replace a battery (such as a sealed device such as a tire or a tank car), and the use thereof is convenient, and the current generation of the active device can be avoided.
- the target position can be condensed into one body, which avoids the problem that the fixed surface acoustic wave sensor adopts a conventional installation and fixing method and needs to be subjected to a harsh external environment such as high temperature and high pressure to cause damage.
- a PCB circuit board 301 is preferably further disposed between the surface acoustic wave sensor 101 and the first rubber sheet 201 , and the PCB circuit board 301 is opened with the pin 102 .
- the pins 102 are connected to the antenna 103 through the through holes.
- the PCB circuit board 301 has high temperature and high voltage resistance.
- the embodiment is not limited to the PCB board as exemplified, and other hard plate-like structures resistant to high temperature and high pressure may also be used.
- a third rubber sheet 203 is further disposed on the upper surface of the second rubber sheet 202 , and a center of the third rubber sheet 203 is provided with a surface through which the surface acoustic wave sensor 101 passes.
- the outer surface of the surface acoustic wave sensor 101 is packaged with a housing 104 that extends out of the housing.
- the top of the surface acoustic wave sensor 101 is a pressure sensing point 105 for sensing an external temperature or pressure.
- the apertures of the first central hole and the second central hole are larger than the outer diameter of the surface acoustic wave sensor.
- the gap 401 between the inner wall of the first central hole and the second central hole and the surface acoustic wave sensor is not less than 0.1 cm, so as to avoid the surrounding rubber sheet being close to the surface acoustic wave sensor, and bringing an additional Additional pressure, affecting accuracy.
- a rubber sheet 201, a second rubber sheet 202, and a third rubber sheet 203 are vulcanized and fixed.
- the passive surface acoustic wave sensor exemplified in the embodiment has two pins 102, and the antenna 103 connected thereto may be a spring type or a wire dipole antenna.
- the second embodiment is based on a patch type passive surface acoustic wave sensing device in the first embodiment.
- the embodiment provides a smart tire, including the patch passive surface acoustic wave described in the first embodiment.
- the sensing device wherein, as shown in FIG. 4, the patch type passive surface acoustic wave sensing device 1 is fixed to an inner wall of the tire 2.
- the patch type passive surface acoustic wave sensing device 1 may also be fixed at the inner wall side surface of the tire 2, that is, near the rim on the inner side of the tire.
- the patch type passive surface acoustic wave sensing device 1 is bonded and fixed to the tire 2 by cold vulcanization glue.
- the sensing device disposed inside does not need a battery to maintain its operation, and has the advantages of small volume and small weight compared with the active device, and has certain high temperature and high pressure resistance, so the tire is driven.
- the high temperature has no effect on the sensor.
- the passive surface acoustic wave sensor has high pressure and temperature signal acquisition density and fast signal processing speed, which can achieve real-time monitoring of tire temperature and pressure.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Tires In General (AREA)
Abstract
Description
Claims (10)
- 一种补片式无源声表面波传感装置,其特征在于,包括声表面波传感器和至少包括第一橡胶片和第二橡胶片,所述第一橡胶片和第二橡胶片的横截面大于所述声表面波传感器的横截面,所述声表面波传感器的底部固设于所述第一橡胶片的上表面上,所述第二橡胶片中心开设有容所述声表面波传感器穿过的第一中心孔,所述声表面波传感器穿过所述第一中心孔,所述第二橡胶片与所述第一橡胶片的上表面固连,所述声表面波传感器包括设置于其底部的引脚,所述引脚的自由端与天线连接,所述天线以及部分引脚埋在所述第一橡胶片内。
- 根据权利要求1所述的补片式无源声表面波传感装置,其特征在于,在所述声表面波传感器与所述第一橡胶片之间还固设有PCB电路板,所述PCB电路板上开有与所述引脚相对应的通孔,所述引脚穿过所述通孔与天线连接。
- 根据权利要求1或2所述的补片式无源声表面波传感装置,其特征在于,在所述第二橡胶片的上表面还固设有第三橡胶片,所述第三橡胶片的中心开设有所述声表面波传感器穿过的第二中心孔,所述声表面波传感器穿过所述第二中心孔。
- 根据权利要求3所述的补片式无源声表面波传感装置,其特征在于,所述声表面波传感器的外表面封装有外壳,所述引脚伸出所述外壳外。
- 根据权利要求1或2所述的补片式无源声表面波传感装置,其特征在于,所述第一中心孔和所述第二中心孔的孔径大于所述声表面波传感器的外径。
- 根据权利要求5所述的补片式无源声表面波传感装置,其特征在于,所述第一中心孔和所述第二中心孔的内壁与声表面波传感器之间的间隙不小于0.1cm。
- 根据权利要求1或2所述的补片式无源声表面波传感装置,其特征在于,所述第一橡胶片、第二橡胶片、第三橡胶片以及包含其中的无源声表面波传感器装置放在特定模具中经过硫化程序固定成型。
- 根据权利要求1或2所述的补片式无源声表面波传感装置,其特征在于,所述引脚为两个,与其所连接的天线为弹簧式或者钢丝偶极子天线。
- 一种智能轮胎,其特征在于,包括如权利要求1-8任一项所述的补片式无源声表面波传感装置,所述补片式无源声表面波传感装置固定在所述轮胎的内壁上。
- 根据权利要求9所述的智能轮胎,其特征在于,所述补片式无源声表面波传感装置通过冷硫化胶水与所述轮胎粘结固定。
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CN201410480847.4A CN105415987B (zh) | 2014-09-19 | 2014-09-19 | 一种无源声表面波传感装置及智能轮胎 |
CN201410480847.4 | 2014-09-19 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111103066A (zh) * | 2019-12-24 | 2020-05-05 | 国网福建省电力有限公司三明供电公司 | 配网架空线路无线测温传感器装置 |
CN114061786A (zh) * | 2021-10-25 | 2022-02-18 | 中北大学 | 声表面波温度传感器及其制备方法 |
Families Citing this family (1)
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---|---|---|---|---|
CN109708774B (zh) * | 2019-01-24 | 2024-03-01 | 上海置信智能电气有限公司 | 一种垫片结构的无源无线温度传感器 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2355801A (en) * | 1999-10-29 | 2001-05-02 | Transense Technologies Plc | Remote interrogation of the frequency difference between two surface acoustic wave devices used for pressure measurement. |
US20060130588A1 (en) * | 2003-08-04 | 2006-06-22 | The Goodyear Tire & Rubber Company | Passive tire pressure sensor and method |
CN201264489Y (zh) * | 2008-06-16 | 2009-07-01 | 桂林电子科技大学 | 基于轮胎阻抗的汽车轮胎压力监测装置 |
CN101644616A (zh) * | 2009-05-20 | 2010-02-10 | 中国科学院声学研究所 | 应用于tpms的集成式声表面波无线压力传感器 |
CN202879169U (zh) * | 2012-08-24 | 2013-04-17 | 东华大学 | 一种无源延迟线型声表面波胎压传感器及胎压监控系统 |
CN103303076A (zh) * | 2013-06-17 | 2013-09-18 | 天津云视科技发展有限公司 | 一种使用声表面波压力传感器的汽车胎压实时监测装置 |
CN204196604U (zh) * | 2014-09-23 | 2015-03-11 | 软控股份有限公司 | 一种补片式无源声表面波传感装置及智能轮胎 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002020287A1 (en) * | 2000-09-08 | 2002-03-14 | Automotive Technologies International, Inc. | Vehicle wireless sensing and communication system |
US7730772B2 (en) * | 2007-12-28 | 2010-06-08 | Honeywell International Inc. | Surface acoustic wave sensor and package |
CN203323913U (zh) * | 2012-12-31 | 2013-12-04 | 江苏声立传感技术有限公司 | 一种声表面波无线传感器 |
CN103489030A (zh) * | 2013-10-22 | 2014-01-01 | 天津七一二通信广播有限公司 | 基于saw无源测温芯片的智能电子标签 |
CN204296378U (zh) * | 2014-09-19 | 2015-04-29 | 软控股份有限公司 | 一种无源声表面波传感装置及智能轮胎 |
-
2014
- 2014-09-19 CN CN201410480847.4A patent/CN105415987B/zh active Active
-
2015
- 2015-06-10 WO PCT/CN2015/081131 patent/WO2016041391A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2355801A (en) * | 1999-10-29 | 2001-05-02 | Transense Technologies Plc | Remote interrogation of the frequency difference between two surface acoustic wave devices used for pressure measurement. |
US20060130588A1 (en) * | 2003-08-04 | 2006-06-22 | The Goodyear Tire & Rubber Company | Passive tire pressure sensor and method |
CN201264489Y (zh) * | 2008-06-16 | 2009-07-01 | 桂林电子科技大学 | 基于轮胎阻抗的汽车轮胎压力监测装置 |
CN101644616A (zh) * | 2009-05-20 | 2010-02-10 | 中国科学院声学研究所 | 应用于tpms的集成式声表面波无线压力传感器 |
CN202879169U (zh) * | 2012-08-24 | 2013-04-17 | 东华大学 | 一种无源延迟线型声表面波胎压传感器及胎压监控系统 |
CN103303076A (zh) * | 2013-06-17 | 2013-09-18 | 天津云视科技发展有限公司 | 一种使用声表面波压力传感器的汽车胎压实时监测装置 |
CN204196604U (zh) * | 2014-09-23 | 2015-03-11 | 软控股份有限公司 | 一种补片式无源声表面波传感装置及智能轮胎 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111103066A (zh) * | 2019-12-24 | 2020-05-05 | 国网福建省电力有限公司三明供电公司 | 配网架空线路无线测温传感器装置 |
CN114061786A (zh) * | 2021-10-25 | 2022-02-18 | 中北大学 | 声表面波温度传感器及其制备方法 |
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