CN103802613B - Automobile wheel pressure monitoring device based on light propagation - Google Patents
Automobile wheel pressure monitoring device based on light propagation Download PDFInfo
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- CN103802613B CN103802613B CN201410062537.0A CN201410062537A CN103802613B CN 103802613 B CN103802613 B CN 103802613B CN 201410062537 A CN201410062537 A CN 201410062537A CN 103802613 B CN103802613 B CN 103802613B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000000644 propagated effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The invention provides an automobile wheel pressure monitoring device based on light propagation, which is characterized in that: the device comprises a processor, a temperature sensor, an infrared light emitter, an infrared light receiver, a memory, a wireless emitter and a power supply module; the processor processes the data fed back by the functional modules connected with the processor and generates data codes for data transmission. The scheme of the invention utilizes the mode of measuring the infrared light velocity to replace the pressure sensing mode in the prior art, not only breaks through the situation that the price of the pressure sensing chip is high in the traditional scheme, and greatly reduces the whole manufacturing cost and the maintenance cost of the device, but also has small fluctuation of the measuring result influenced by burst, and more accurately reflects the air pressure condition of the tire.
Description
Technical field
The present invention relates to a kind of automobile wheel load monitoring device propagated based on light.
Background technology
Tire pressure is the important indicator affecting running car performance and security performance: when tire pressure is too low or
Leaking gas, it is multiplied with the frictional force on ground, and the abrasion accelerating tire increases oil consumption simultaneously.The most notably,
Tyre side is the weak part of tire, can constantly be squeezed and stretch when air pressure is too low, easily causes tired mistake
Effect, blows out.So tire pressure to be monitored in real time the important means being to ensure that tire safety.
Tire pressure monitoring system (TPMS) is based on such requirement and develops a raising automobile peace of design
Full new technique, it uses automotive electronic technology, sensor technology, wireless communication technique etc., in garage
Monitor the air pressure of all tire when making in real time, have a flat tire and low pressure state is into warning.But, existing
Wheel pressure sensor detection all be use pressure transducer, by one chip, business controls, and cost is higher.
It practice, in addition to directly obtaining the mode of inner tyre pressure, accurate also by other indirect mode
Really measure wheel load.Such as, light different media, pressure with at a temperature of spread speed have corresponding
Change.To this, the time as propagated in tire by measuring light calculates the light velocity, so that it may according to experiment number
The wheel load value of correspondence, the further investigation that this patent is based on this and makees is found according to comparison.
Summary of the invention
The present invention proposes a kind of automobile wheel load monitoring device propagated based on light, is greatly lowered making of monitoring device
Valency and maintenance cost, and the service life of device and measurement accurate are effectively ensured.Its technical scheme is as follows:
A kind of automobile wheel load monitoring device propagated based on light, including
One processor, processes in order to the data being fed back connected each functional module, and generates
Data encoding for data transmission；
One temperature sensor, is connected with processor, in order to obtain tyre temperature；
One infrared transmitter, is connected with processor, in order to be controlled to be generated and transmitted by infrared beam by processor；
One infrared light receptor, is connected with processor, in order to obtain the infrared beam of direct projection or reflection and raw
The infrared beam volume reflection numerical value becoming corresponding intercepts and captures the moment with record infrared beam；
One memorizer, is connected with processor, when it has at least stored automobile wheel load with tyre temperature, light propagation
Between, the contrasting data table of luminous reflectance amount；
One wireless transmitter, is connected with processor, in order to be controlled to connected detection terminal by processor
Launch data；And
Power module, with thinking that each part mentioned above is powered.
Such scheme utilizes the mode measuring the infrared light velocity to replace existing pressure sensing in the art, not only
Break the situation of pressure sensing chip price height enterprise in traditional scheme, made device overall cost and maintenance cost
It is substantially reduced, and the fluctuation that measurement result is affected by burst is little, more precisely reflection tire pressure situation.
Further, described monitoring device also includes that a light reflection surface, described light reflection surface are located at infrared light and are connect
Receive the offside of device and infrared beam is reflected towards infrared light receptor.When infrared transmitter and infrared remote receiver
When being all integrated in one, it is necessary to infrared beam is reflected by a reflecting surface, and this scheme is further
The distance that the infrared beam strengthened is propagated, say, that the spread speed of infrared beam is affected more by wheel load,
No matter calculate from the light velocity, or the most accurate from the angle of wheel load impact.
Further, described light reflection surface is arc.
Further, described infrared transmitter includes control circuit, infrared emittance and infrared transmitting tube,
It is launched infrared beam by the processor control interval, and transmission interval is more than the light propagation time.
Further, described wireless transmitter based on 2.4G bluetooth standard or other be wirelessly transferred standard.
Further, described monitoring device also includes an acceleration transducer, in order to detect vehicle launch, to add
Speed, on-position.The present invention can add corresponding sensing device according to actual detection demand, to obtain
More many sensing datas.
Further, described power module includes battery, and the accumulator, the power supply that are connected with battery are electric
Road；
Described accumulator, including voltage-controlled element, in order to utilize wheel load change self-excitation generating；
Described power supply circuits, power with each part mentioned above thought in device.
The beneficial effects of the present invention is:
1, stable performance, cost are relatively low with maintenance cost, have higher cost performance；
2, perfect in shape and function, in addition to can monitoring wheel load, further monitor tyre temperature, the starting of automobile,
Accelerate and braking；
3, there is energy-storage function, do not worry that monitoring device, because losing efficacy without electricity, is also exempted to take frequently more power transformation
The worry in pond.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram one of the present invention.
Fig. 2 be the present invention frame structure schematic diagram two.
Fig. 3 is that power module of the present invention forms schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the application scheme is further described:
As it is shown in figure 1, embodiment one:
A kind of automobile wheel load monitoring device propagated based on light, including
One processor 1, processes in order to the data being fed back connected each functional module, and raw
Become the data encoding for data transmission；
One temperature sensor 2, is connected with processor 1, in order to obtain tyre temperature；
One infrared transmitter 3, is connected with processor 1, in order to be generated and transmitted by infrared by processor control
Light beam；
One infrared light receptor 4, is connected with processor 1, in order to obtain the infrared beam of direct projection or reflection,
And generate infrared beam volume reflection numerical value and the record infrared beam intercepting and capturing moment of correspondence；
One memorizer 5, is connected with processor 1, and it has at least stored automobile wheel load and has passed with tyre temperature, light
Between sowing time, the contrasting data table of luminous reflectance amount；
One wireless transmitter 6, is connected with processor 1, in order to be controlled to connected inspection by processor 1
Survey terminal transmission data；And
Power module 7, with thinking that each part mentioned above is powered.
Such scheme utilizes the mode measuring the infrared light velocity to replace existing pressure sensing in the art, not only
Break the situation of pressure sensing chip price height enterprise in traditional scheme, made device overall cost and maintenance cost
It is substantially reduced, and the fluctuation that measurement result is affected by burst is little, more precisely reflection tire pressure situation.
The transmitting terminal of described infrared transmitter 3 is oppositely arranged with the receiving terminal of infrared remote receiver 4.
Described infrared transmitter 3 includes control circuit 31, infrared emittance 32 and infrared transmitting tube 33,
It is launched infrared beam by processor 1 control interval, and transmission interval is more than the light propagation time.
Described wireless transmitter 6 based on 2.4G bluetooth standard or other be wirelessly transferred standard.
Described monitoring device also includes an acceleration transducer 9, in order to detect vehicle launch, to accelerate, brake
State.The present invention can add corresponding sensing device according to actual detection demand, many-sided to obtain
Sensing data.
As it is shown on figure 3, described power module 7 includes battery, and the accumulator being connected with battery 71
72, power supply circuits 73；
Described accumulator 72, including voltage-controlled element, in order to utilize wheel load change self-excitation generating；
Described power supply circuits 73, power with each part mentioned above thought in device.
As in figure 2 it is shown, embodiment two, it is with the difference of embodiment one:
Described monitoring device also includes a light reflection surface 8, and infrared transmitter 3 all collects with infrared remote receiver 4
Becoming one, described light is penetrated face 8 and is located at the offside of infrared light receptor 3 and is reflected towards by infrared beam infrared
Optical receiver 4.The distance that the infrared beam that this scheme strengthens further is propagated, say, that infrared light
The spread speed of bundle is affected more by wheel load, no matter calculates from the light velocity, or from the angle of wheel load impact the most more
For accurately.
Described light reflection surface 8 is arc.
Above-mentioned preferred implementation should be regarded as the illustration of the application scheme embodiment, all and the application side
Case is identical, approximation or the technology made based on this are deduced, replace, improvement etc., is regarded as this patent
Protection domain.
Claims (7)
1. the automobile wheel load monitoring device propagated based on light, it is characterised in that: include
One processor, processes in order to the data being fed back connected each functional module, and generates
Data encoding for data transmission；
One temperature sensor, is connected with processor, in order to obtain tyre temperature；
One infrared transmitter, is connected with processor, in order to be controlled to be generated and transmitted by infrared beam by processor；
One infrared light receptor, is connected with processor, in order to obtain the infrared beam of direct projection or reflection and raw
The infrared beam volume reflection numerical value becoming corresponding intercepts and captures the moment with record infrared beam；
One memorizer, is connected with processor, when it has at least stored automobile wheel load with tyre temperature, light propagation
Between, the contrasting data table of luminous reflectance amount；
One wireless transmitter, is connected with processor, in order to be controlled to connected detection terminal by processor
Launch data；And
Power module, with thinking that each part mentioned above is powered.
A kind of automobile wheel load monitoring device propagated based on light the most according to claim 1, its feature exists
In: also include that a light reflection surface, described light reflection surface are located at the offside of infrared light receptor and by infrared beam
It is reflected towards infrared light receptor.
A kind of automobile wheel load monitoring device propagated based on light the most according to claim 2, its feature exists
In: described light reflection surface is arc.
A kind of automobile wheel load monitoring device propagated based on light the most according to claim 1 and 2, it is special
Levy and be: described infrared transmitter includes control circuit, infrared emittance and infrared transmitting tube, its by
The processor control interval launches infrared beam, and transmission interval is more than the light propagation time.
A kind of automobile wheel load monitoring device propagated based on light the most according to claim 1, its feature exists
In: described wireless transmitter based on 2.4G bluetooth standard or other be wirelessly transferred standard.
A kind of automobile wheel load monitoring device propagated based on light the most according to claim 4, its feature exists
In: also include an acceleration transducer, in order to detect vehicle launch, acceleration, on-position.
A kind of automobile wheel load monitoring device propagated based on light the most according to claim 6, its feature exists
Include battery in: described power module, and be connected with battery accumulator, power supply circuits；
Described accumulator, including voltage-controlled element, in order to utilize wheel load change self-excitation generating；
Described power supply circuits, power with each part mentioned above thought in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062537.0A CN103802613B (en) | 2014-02-22 | 2014-02-22 | Automobile wheel pressure monitoring device based on light propagation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062537.0A CN103802613B (en) | 2014-02-22 | 2014-02-22 | Automobile wheel pressure monitoring device based on light propagation |
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| Publication Number | Publication Date |
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| CN103802613A CN103802613A (en) | 2014-05-21 |
| CN103802613B true CN103802613B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062537.0A Active CN103802613B (en) | 2014-02-22 | 2014-02-22 | Automobile wheel pressure monitoring device based on light propagation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111332077B (en) * | 2019-08-20 | 2021-11-30 | 厦门乐创智联科技有限公司 | Tire monitoring and managing system and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7444858B2 (en) * | 2004-02-06 | 2008-11-04 | Daimler Ag | Sensor apparatus for determination of the tire internal pressure for a motor vehicle |
| CN203126409U (en) * | 2013-03-18 | 2013-08-14 | 山东交通学院 | Tire pressure monitoring explosion-proof device based on infrared temperature measurement |
| CN203766419U (en) * | 2014-02-22 | 2014-08-13 | 中山市六源通电子科技有限公司 | Wheel pressure monitoring system based on light propagation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030041264A (en) * | 2001-11-19 | 2003-05-27 | 기아자동차주식회사 | Tire Flatting And Balance Defective Sense and Warning Device For Vehicle |
-
2014
- 2014-02-22 CN CN201410062537.0A patent/CN103802613B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7444858B2 (en) * | 2004-02-06 | 2008-11-04 | Daimler Ag | Sensor apparatus for determination of the tire internal pressure for a motor vehicle |
| CN203126409U (en) * | 2013-03-18 | 2013-08-14 | 山东交通学院 | Tire pressure monitoring explosion-proof device based on infrared temperature measurement |
| CN203766419U (en) * | 2014-02-22 | 2014-08-13 | 中山市六源通电子科技有限公司 | Wheel pressure monitoring system based on light propagation |
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| CN103802613A (en) | 2014-05-21 |
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Effective date of registration: 20200430 Address after: 528400 room 210 B, floor 2, building 7, Zhangqi technology business incubator, No.70, Zhongshan port Avenue, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN QING ZHEN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 528400 No. 407, building 33, Kangle Road, Torch Development Zone, Guangdong, Zhongshan Patentee before: ZHONGSHAN LUYATO ELECTRONIC AND TECHNOLOGY Co.,Ltd. |
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