CN107727042A - The pattern depth calculating system and device of a kind of tire - Google Patents
The pattern depth calculating system and device of a kind of tire Download PDFInfo
- Publication number
- CN107727042A CN107727042A CN201710900088.6A CN201710900088A CN107727042A CN 107727042 A CN107727042 A CN 107727042A CN 201710900088 A CN201710900088 A CN 201710900088A CN 107727042 A CN107727042 A CN 107727042A
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- China
- Prior art keywords
- tire
- module
- pattern depth
- frequency identification
- radio frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of pattern depth calculating system of tire, the calculating system includes acceleration analysis module, real-time storage module, radio frequency identification module, radio read-write module, the pattern depth measuring and calculating that the acceleration analysis module is used for tire provides data foundation, the radio frequency identification module is used to read the data that the acceleration analysis module provides, the real-time storage module is used to store the number on tyre identified by the radio frequency identification module, and the radio read-write module is read the number on tyre in real-time storage module by radio frequency identification module.Pass through above-mentioned technical proposal, the pattern depth calculating system of the tire can effectively ensure that tire pressure in certain normal range (NR), substantially increases the security and economy of driving to the real-time measuring and calculating of tyre tread.
Description
Technical field
The invention belongs to the pattern depth calculating system and dress of vehicle tyre detection technique field, more particularly to a kind of tire
Put.
Background technology
In the prior art, tire working air pressure is directly connected to security and economy in vehicle traveling process.From peace
Full angle is analyzed, and the ratio that total number of accident is accounted for by the traffic accident for initiation of blowing out is very high；From environmental protection and economic analysis, tire
Air pressure deficiency, can increase rolling resistance, cause oil consumption and the increase of exhaust emissions amount.Number on tyre is manual record at present, very
It is cumbersome, and misregister.Pattern depth measures, mostly using decorative pattern chi manual measurement, it is necessary to a large amount of human resources, efficiency
It is very low.
The content of the invention
Convenient the technical problem to be solved in the present invention is to provide one kind, fast, a kind of decorative pattern of tire simple to operate is deep
Spend calculating system and device.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of pattern depth measuring and calculating of tire is provided
System, including acceleration module, real-time storage module, radio frequency identification module, radio read-write module, the acceleration analysis module
Data foundation is provided for the pattern depth measuring and calculating to tire, the radio frequency identification module is used to read the acceleration analysis mould
The data that block provides, the real-time storage module is used to store the number on tyre identified by the radio frequency identification module, described
Radio read-write module is read the number on tyre in real-time storage module by radio frequency identification module.
In the preferred embodiment of the present invention, the pattern depth calculating system of the tire is also included in for monitoring wheel
Tire temperature tire pressure detection sensor, tyre accelerations circuit and the central processing unit of tire.
In the preferred embodiment of the present invention, the tyre accelerations circuit includes acceleration sensor chip, periphery
Electric capacity and resistance, acceleration magnitude is transmitted to by I2C interface by central processing unit.
In the preferred embodiment of the present invention, the radio frequency identification module includes low-frequency channel and radio transmitter.
In the preferred embodiment of the present invention, the central processing unit includes microprocessor, and the microprocessor is used for
Acceleration information is handled, stores tyre managing information, monitors pressure of tire tire temperature.
In the preferred embodiment of the present invention, the low-frequency channel includes inductance, electric capacity and resistance, the low-frequency channel
In inductance, electric capacity, resistance form RLC oscillating circuits in parallel.According to formulaDay can be provided for LF communication
Line.
In the preferred embodiment of the present invention, the radio transmitter mainly includes transmitter, antenna, and wirelessly
Electric capacity, resistance, the inductance of radiating circuit periphery.Furtherly, radio transmitter is by radio-frequency transmissions chip, crystal oscillator, electric capacity, electricity
Resistance, inductance composition.Further say, radio transmitter is by radio-frequency transmissions chip MAX1472, crystal oscillator 13.56M, electric capacity, electricity
Resistance, inductance composition.The signal to be sent is transferred to radio-frequency transmissions chip, radio-frequency transmissions chip by central processing unit by data wire
Transmit signals to radio-frequency antenna.
In addition, the present invention also provides a kind of pattern depth measuring and calculating device of tire, including hand-held tire wireless monitor element,
The hand-held tire wireless monitor element includes the pattern depth calculating system and battery power supply unit of the tire described in power 1；
The pattern depth calculating system of the tire includes acceleration analysis module, real-time storage module, radio frequency identification module, wireless reading
Writing module；The radio frequency identification module is connected with real-time storage module, and the battery power supply unit is radio frequency identification module and reality
When memory module power.
In the preferred embodiment of the present invention, the pattern depth measuring and calculating device of the tire also includes tyre accelerations electricity
Road, for monitoring tire temperature tire pressure detection sensor, the central processing unit of tire.The radio frequency identification module include low-frequency channel and
Radio transmitter.The present invention a preferred embodiment in, the tyre accelerations circuit include acceleration sensor chip,
Peripheral electric capacity and resistance, acceleration magnitude is transmitted to by I2C interface by central processing unit.
Beneficial effects of the present invention：Tire pressure pattern depth calculating system, can effectively really to the real-time measuring and calculating of tyre tread
Prevent miscarriage and be pressed in certain normal range (NR), substantially increase the security and economy of driving, overcoming current number on tyre is
Manual record, it is very cumbersome, and the technical problem of misregister, it is of the invention on the basis of original tire pressure monitoring module,
Increase number on tyre store function, can effectively solve the technical problem of tire pressure monitoring misregister.
Brief description of the drawings
It is further described below in conjunction with the accompanying drawings with embodiments of the present invention：
Fig. 1 is the tire pressure monitoring system of tire and the schematic diagram of device；
Fig. 2 is the circuit theory diagrams of the tire pressure monitoring system of tire of the present invention；
Fig. 3 is the circuit diagram of acceleration module.
Embodiment
As shown in accompanying drawing 1 to 2 be tire pattern depth calculating system include acceleration module, real-time storage module,
Radio frequency identification module, radio read-write module, the pattern depth measuring and calculating that the acceleration analysis module is used for tire provide data
Foundation, the radio frequency identification module are used to read the data that the acceleration analysis module provides, and the real-time storage module is used
In the number on tyre that storage is identified by the radio frequency identification module, the radio read-write module will be real by radio frequency identification module
When memory module in number on tyre read.
Further say, the tire temperature tire pressure that the pattern depth calculating system of the tire is also included in for monitoring tire is examined
Survey sensor, tyre accelerations circuit and central processing unit；The radio frequency identification module includes low-frequency channel and wireless transmission electricity
Road；The tyre accelerations circuit includes acceleration sensor chip, peripheral electric capacity and resistance, by I2C interface acceleration
Value is transmitted to central processing unit；The central processing unit includes microprocessor MPU, and microprocessor MPU is used to handle acceleration detection
Data, tyre managing information is stored, monitor pressure of tire tire temperature；The low-frequency channel includes inductance, electric capacity and resistance, described low
Inductance, electric capacity, resistance in frequency circuit form RLC oscillating circuits in parallel；The radio transmitter mainly includes transmitter, day
Line, and electric capacity, resistance, the inductance of radio transmitter periphery.
In addition, a kind of pattern depth measuring and calculating device of tire of the present invention, including hand-held tire wireless monitor element 1, it is described
Hand-held tire wireless monitor element includes rfid uint 10, memory cell 11, battery power supply unit 12, the radio frequency identification
Unit 10 is connected with memory cell 11, and the battery power supply unit 12 is that rfid uint 10 and memory cell 11 are powered.
Further say, the pattern depth measuring and calculating device of the tire is also included in tyre accelerations circuit, for monitoring
Tire temperature tire pressure detection sensor 13, central processing unit 14 and the radio transmitter 15 of tire；The tyre accelerations circuit bag
Acceleration sensor chip, peripheral electric capacity and resistance are included, acceleration magnitude is transmitted to by I2C interface by central processing unit.
Referring to shown in Fig. 2, include three parts in the circuit of the tire pressure monitoring system of tire of the present invention：
Part I, storage processing core part, main devices include NPX-I series CPU.This partial function is mainly located
Data are managed, store tyre managing information, monitoring pressure of tire tire temperature etc..
Part II, low frequency 125KHz communications receptions, mainly include inductance L1, electric capacity C1, resistance R2.This partial function is
Receive 125KHz wireless data.
Part III, radio frequency 433M radio transmitters are main to include transmitter MAX1472, antenna, and the electricity of periphery
Hold resistance-inductance etc..The function of radio frequency 433M radio transmitters is transmitting wireless signal, so as to the receiving device outside tire
Receive.
It please join shown in Fig. 3, tyre accelerations circuit includes acceleration sensor chip, peripheral electric capacity and resistance, passes through I2C
Acceleration magnitude is transmitted to central processing unit by interface.
It is the purpose of its circuit design in the pattern depth calculating system of tire of the present invention：Utilize CPU store function, storage
Number on tyre information, acceleration magnitude is detected using acceleration transducer, calculates the pattern depth of tire.Operation principle, same
Load, on the premise of same air pressure, acceleration magnitude of the acceleration transducer at the ground location moment is detected, utilizes this data
Car acceleration transducer and the displacement on ground are calculated, is contrasted further according to ground displacement amount and empirical data table, calculates wheel
Tire current residual pattern depth.The handheld device outside tire is perceived using low frequency 125KHz circuits, handheld device is received and sends
The tire information data to come over, CPU is transferred to, storage is into memory after CPU processing.Handheld device by low frequency 125KHz again
When sending reading instruction, after CPU is connected to instruction, radio frequency 433M radiating circuits are controlled, send the tire information stored to hand
Holding equipment.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention；It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
- A kind of 1. pattern depth calculating system of tire, it is characterised in that including acceleration analysis module, real-time storage module, Radio frequency identification module, radio read-write module, the pattern depth measuring and calculating that the acceleration analysis module is used for tire provide data Foundation, the radio frequency identification module are used to read the data that the acceleration analysis module provides, and the real-time storage module is used In the number on tyre that storage is identified by the radio frequency identification module, the radio read-write module will be real by radio frequency identification module When memory module in number on tyre read.
- 2. the pattern depth calculating system of tire according to claim 1, it is characterised in that the pattern depth of the tire Calculating system is also included in tire temperature tire pressure detection sensor, tyre accelerations circuit and central processing unit for monitoring tire.
- 3. the pattern depth calculating system of tire according to claim 2, it is characterised in that the tyre accelerations circuit Including acceleration sensor chip, peripheral electric capacity and resistance, acceleration magnitude is transmitted to by I2C interface by central processing unit.
- 4. the pattern depth calculating system of tire according to claim 1, it is characterised in that the radio frequency identification module bag Include low-frequency channel and radio transmitter.
- 5. the pattern depth calculating system of tire according to claim 2, it is characterised in that the central processing unit includes Microprocessor, the microprocessor are used to handle acceleration information, store tyre managing information, monitor pressure of tire tire temperature.
- 6. the pattern depth calculating system of tire according to claim 4, it is characterised in that the low-frequency channel includes electricity Sense, electric capacity and resistance, inductance, electric capacity, resistance in the low-frequency channel form RLC oscillating circuits in parallel.
- 7. the pattern depth calculating system of tire according to claim 4, it is characterised in that the radio transmitter master To include transmitter, antenna, and electric capacity, resistance, the inductance of radio transmitter periphery.
- 8. the pattern depth measuring and calculating device of a kind of tire, it is characterised in that described hand-held including hand-held tire wireless monitor element Tire wireless monitor element includes the pattern depth calculating system and battery power supply unit of the tire described in power 1；The tire Pattern depth calculating system include acceleration analysis module, real-time storage module, radio frequency identification module, radio read-write module； The radio frequency identification module is connected with real-time storage module, and the battery power supply unit is radio frequency identification module and real-time storage mould Block is powered.
- 9. the pattern depth measuring and calculating device of tire according to claim 8, it is characterised in that the pattern depth of the tire Measuring and calculating device also includes tyre accelerations circuit, for monitoring tire temperature tire pressure detection sensor, the central processing unit of tire.
- 10. the pattern depth measuring and calculating device of tire according to claim 9, it is characterised in that the tyre accelerations electricity Road includes acceleration sensor chip, peripheral electric capacity and resistance, and acceleration magnitude is transmitted to central processing unit by I2C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900088.6A CN107727042A (en) | 2017-09-28 | 2017-09-28 | The pattern depth calculating system and device of a kind of tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710900088.6A CN107727042A (en) | 2017-09-28 | 2017-09-28 | The pattern depth calculating system and device of a kind of tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727042A true CN107727042A (en) | 2018-02-23 |
Family
ID=61208585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710900088.6A Pending CN107727042A (en) | 2017-09-28 | 2017-09-28 | The pattern depth calculating system and device of a kind of tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727042A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734114A (en) * | 2009-10-16 | 2010-06-16 | 北京工业大学 | Wireless tire pressure detector combining load calculation and speed suggestion into a whole body |
| CN101881699A (en) * | 2009-05-08 | 2010-11-10 | 橙的电子股份有限公司 | Tire pressure detection device with writable number and inputting method thereof |
| CN101932458A (en) * | 2008-01-29 | 2010-12-29 | 罗伯特·博世有限公司 | Method for determining the profile depth of a vehicle tyre |
| CN102785646A (en) * | 2011-05-16 | 2012-11-21 | 株式会社普利司通 | Road surface condition estimating method, vehicle control method, and road surface condition estimating apparatus |
| CN104470732A (en) * | 2012-07-24 | 2015-03-25 | 大陆汽车有限公司 | Method and device for estimating a profile depth of a tyre |
| CN104781092A (en) * | 2012-10-01 | 2015-07-15 | 大陆汽车有限公司 | Method, control device and system for determining a profile depth of a profile of a tyre |
| WO2017032467A1 (en) * | 2015-08-25 | 2017-03-02 | Continental Reifen Deutschland Gmbh | Method for determining a tread depth of a tyre profile and control device therefore |
-
2017
- 2017-09-28 CN CN201710900088.6A patent/CN107727042A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932458A (en) * | 2008-01-29 | 2010-12-29 | 罗伯特·博世有限公司 | Method for determining the profile depth of a vehicle tyre |
| CN101881699A (en) * | 2009-05-08 | 2010-11-10 | 橙的电子股份有限公司 | Tire pressure detection device with writable number and inputting method thereof |
| CN101734114A (en) * | 2009-10-16 | 2010-06-16 | 北京工业大学 | Wireless tire pressure detector combining load calculation and speed suggestion into a whole body |
| CN102785646A (en) * | 2011-05-16 | 2012-11-21 | 株式会社普利司通 | Road surface condition estimating method, vehicle control method, and road surface condition estimating apparatus |
| CN104470732A (en) * | 2012-07-24 | 2015-03-25 | 大陆汽车有限公司 | Method and device for estimating a profile depth of a tyre |
| CN104781092A (en) * | 2012-10-01 | 2015-07-15 | 大陆汽车有限公司 | Method, control device and system for determining a profile depth of a profile of a tyre |
| WO2017032467A1 (en) * | 2015-08-25 | 2017-03-02 | Continental Reifen Deutschland Gmbh | Method for determining a tread depth of a tyre profile and control device therefore |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180223 |