CN103738127A - Passivity tire pressure monitoring method - Google Patents
Passivity tire pressure monitoring method Download PDFInfo
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- CN103738127A CN103738127A CN201310720929.7A CN201310720929A CN103738127A CN 103738127 A CN103738127 A CN 103738127A CN 201310720929 A CN201310720929 A CN 201310720929A CN 103738127 A CN103738127 A CN 103738127A
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- Prior art keywords
- tire
- monitoring method
- pressure monitoring
- passivity
- tire pressure
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Abstract
The invention provides a passivity tire pressure monitoring method. The passivity tire pressure monitoring method comprises the steps that a quartz diaphragm is arranged in a tire, and a voiced surface wave oscillator is arranged on the quartz diaphragm; when the quartz diaphragm is under pressure, the pressure can cause the voiced surface wave oscillator to generate oscillation; and the frequency change of the oscillation is received and calculated, so that a corresponding tire-in pressure value is obtained through conversion. The passivity tire pressure monitoring method provided by the invention has the advantages that a power source is not needed for supplying energy, and the adopted devices are small in size, high in reliability and long in service life.
Description
Technical field
The present invention relates to a kind of passive tire pressure monitoring method, belong to vehicle accessory field.
Background technology
The quality of tyre performance directly affects the safety of driving.Tire monitor system, as a kind of device that can reflect in real time tire internal pressure and temperature information, can effectively be avoided the traffic accident causing because of tire problem.The sensor using in monitoring system at present need to provide energy by power module.This mode exists obvious drawback, the one, battery life is limited, sensor period of service is short, needs frequent replacing battery, and in dynamically balanced consideration, battery cannot be done greatly, the 2nd, from environmental angle, consider, what general sensor was used is all disposable lithium cell, 6,000 ten thousand batteries every year on average make to use up, waste battery after use is processed suffering, probably to environment.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing defect, and a kind of passive tire pressure monitoring method is provided, and volume is little, and reliability is high, long service life.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A passive tire pressure monitoring method, comprises the following steps:
A. in tire, be provided with quartz diaphragm, on quartz diaphragm, be provided with SAW oscillator;
When b. diaphragm is under pressure, this pressure can cause that SAW oscillator produces vibration;
C. receive and calculate the frequency change of this vibration, can convert and obtain corresponding tire internal pressure value.
A kind of passive tire pressure monitoring of the present invention method, provides energy without power supply, and volume is little, and reliability is high, long service life.
The specific embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
A passive tire pressure monitoring method, comprises the following steps:
A. in tire, be provided with quartz diaphragm, on quartz diaphragm, be provided with SAW oscillator;
When b. diaphragm is under pressure, this pressure can cause that SAW oscillator produces vibration;
C. receive and calculate the frequency change of this vibration, can convert and obtain corresponding tire internal pressure value.
A kind of passive tire pressure monitoring of the present invention method, provides energy without power supply, and volume is little, and reliability is high, long service life.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. a passive tire pressure monitoring method, is characterized in that comprising the following steps:
A. in tire, be provided with quartz diaphragm, on quartz diaphragm, be provided with SAW oscillator;
When b. diaphragm is under pressure, this pressure can cause that SAW oscillator produces vibration;
C. receive and calculate the frequency change of this vibration, can convert and obtain corresponding tire internal pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720929.7A CN103738127A (en) | 2013-12-24 | 2013-12-24 | Passivity tire pressure monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720929.7A CN103738127A (en) | 2013-12-24 | 2013-12-24 | Passivity tire pressure monitoring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103738127A true CN103738127A (en) | 2014-04-23 |
Family
ID=50495228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310720929.7A Pending CN103738127A (en) | 2013-12-24 | 2013-12-24 | Passivity tire pressure monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103738127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045412A1 (en) * | 2014-09-23 | 2016-03-31 | 软控股份有限公司 | Patch-type passive surface acoustic wave sensing apparatus and intelligent tire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028596A1 (en) * | 2003-08-06 | 2005-02-10 | Honeywell International, Inc. | Sensor with molded sensor diaphragm cover |
| US20050109095A1 (en) * | 2003-11-20 | 2005-05-26 | Sinnett Jay C. | Saw transducer interface to pressure sensing diaphragm |
-
2013
- 2013-12-24 CN CN201310720929.7A patent/CN103738127A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050028596A1 (en) * | 2003-08-06 | 2005-02-10 | Honeywell International, Inc. | Sensor with molded sensor diaphragm cover |
| US20050109095A1 (en) * | 2003-11-20 | 2005-05-26 | Sinnett Jay C. | Saw transducer interface to pressure sensing diaphragm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045412A1 (en) * | 2014-09-23 | 2016-03-31 | 软控股份有限公司 | Patch-type passive surface acoustic wave sensing apparatus and intelligent tire |
| US10124633B2 (en) | 2014-09-23 | 2018-11-13 | Mesnac Co., Ltd. | Patch-type passive surface acoustic wave sensing device and intelligent tire |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140423 |