CN103158449A - Temperature and air pressure monitoring system of car tire based on wireless technology of ZigBee - Google Patents
Temperature and air pressure monitoring system of car tire based on wireless technology of ZigBee Download PDFInfo
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- CN103158449A CN103158449A CN 201110443326 CN201110443326A CN103158449A CN 103158449 A CN103158449 A CN 103158449A CN 201110443326 CN201110443326 CN 201110443326 CN 201110443326 A CN201110443326 A CN 201110443326A CN 103158449 A CN103158449 A CN 103158449A
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Abstract
The invention discloses a temperature and air pressure monitoring system of a car tire based on the wireless technology of ZigBee. According to incomplete statistics, traffic accidents caused by tire burst in highways of China take up 70% of the total number of the traffic accidents, and therefore great losses are caused to life and properties of people. According to the temperature and air pressure monitoring system of the car tire based on the wireless technology of the ZigBee, various fields such as wireless transmission, embedded type system on chip and automation control are combined, a control system of car tire air pressure, temperature real-time wireless monitoring and automatic spraying and cooling based on the technology of the ZigBee is designed, and a set of technical supports are provided so as to solve the problem of car tire burst hazards. The temperature and air pressure monitoring system of the car tire based on the wireless technology of the ZigBee comprises four portions including sense collection, wireless transmission and receiving, control treatment and an automatic spray cooling device, wherein the collection portion is composed of a temperature sensor, a pressure sensor and a flow sensor, a wireless ZigBee system on chip CC2530 chip is adopted by the wireless transmission receiving portion and the control processing portion is connected with a vehicle-mounted display screen, a stereo and setting keys, and the automatic spray device is composed of a water tank, an intelligent water meter, a water guiding pipe, a control switch and a water spray nozzle. The temperature and air pressure monitoring system of the car tire based on the wireless technology of the ZigBee has the advantages of being widely applicable to the field of automobiles, low in cost and power consumption, high-efficient, wireless-automation and the like.
Description
Technical field
The present invention relates to a kind of automobile tire temperature and air pressure monitored control system based on the ZigBee wireless technology.Belong to embedded system field and automation control system field on wireless network communication technique, sheet.
Background technology
Along with the development of world economy, continuing to increase of infrastructure investment made the improvement of highway facilities and surging of express highway mileage, makes the average ground speed of highway communication that large increase arranged, and this has brought great wealth to the country and people undoubtedly.Also corresponding the increasing sharply of inclined to one side accident of stopping that accident, tire pressure difference cause but traffic accident is simultaneously especially blown out causes very big loss for the people's life and property.According to incompletely statistics, account for 70% of traffic accident sum by the traffic accident that causes of blowing out on domestic expressway.The expert represents, the automobile accident of blowing out when speed per hour is travelled more than 100 kilometers, and driving member's mortality is 100%.The insider tells: the average annual death toll of China's traffic accident is all over 100,000 people, and average every day, dead 300 people, had 1 people to be killed in an automobile accident in every 4.8 minutes, 1 the fully loaded guest's that is equivalent to crash every day Boeing 777-200 type aircraft.Blow out drive with fatigue, driving over the speed limit is listed as three large killers of Chinese arteries of communication.Claims Resolution is not done to the accident of blowing out by company due to Domestic Insurance, therefore, treasures and pays close attention to life, universal technical ability of evading the risk of blowing out, and has become an extremely urgent social concern.
And the reason of tyre explosion mainly contains:
1. air pressure is too high
2. tire flat, under-voltage
3. tyre temperature raises extremely
4. each air pressure is seriously inconsistent.
Just can reduce in a large number the generation of traffic accident if solve described problem.
Pre-runflat method has two:
At present, external generally popular a kind of up-to-date technology is vehicle tyre pressure monitoring system, is called for short TPMS.Its groundwork is: a sensor is installed on the wheel hub of tire or valve.Sensor comprises that the bridge type electron gas pressure sensitivity of induction air pressure should install, and it is converted to electric signal with air pressure signal, by wireless launcher, signal is emitted.The driver just can know clearly atmospheric pressure value and the temperature value of each tire from the monitoring device.When standard value that air pressure and the temperature of tire has the setting of differing from, monitoring device is with automatic alarm.TPMS allows the driver take immediate steps when dangerous sign appears in tire and alarm, and accident is eliminated in bud.Due to the air pressure that can monitor tire and temperature, just in time can solve the harm that galloping is blown out, this is even more important for the vehicle of running at high speed.In addition, TPMS possesses the fuel-efficient effect of the tire of protecting.Many America and Europes' automobile vendor is fitted to TPMS among the vehicle of oneself.At present, the TPMS technology also have introduce domestic, but expensive due to domestic electronics technology enterprise productive costs, selling price is higher, the car owner all is reluctant to install mostly.
Another method of avoiding high temperature to cause and blowing out is to the tire inflated with nitrogen.At first, nitrogen is unreactable gas, and the molecule play motion is larger than oxygen, and the durchgriff in rubber is low.Therefore, tire pressure fall off rate decrease is kept normal tire pressure time growth.Simultaneously, nitrogen cubic expansion when temperature traverse is low more than the air that contains moisture, has therefore reduced the probability of blowing out.Secondly, nitrogen filling tire can delay ageing of rubber.The tire of inflated with nitrogen is than the mileage of the tire that the fills air race of Duoing 26%.In addition, due to moisture-free, nitrogen can also protect wheel rim inside not oxidated.The 3rd, fill the nitrogen tire, can inflate the criterion of the fuel consumption when reaching automobile design by the tire pressure of design, fill the nitrogen tire than air tyre fuel-economizing 2%～10%.At present each car detailing of incity shop all has tire to fill the nitrogen service, and 50～80 yuan of each car charges do not wait.
The patent No. is: 200410086295.5 patent, designed the device of a kind of wireless surveillance tire pressure and temperature, but open defect is also arranged, the shared vehicle-mounted wireless antenna of its wireless transmitting and receiving device easily causes interference, adopts the operation of shock sensor control convenience, can't complete the needs of temperature when low quits work, in addition, it only provides monitor unit, has not but proposed how automatically to solve the processing of this harm.
Development along with wireless communication technology, occurred in recent years towards the technology of low-cost equipment Wireless Networking requirement, be referred to as ZigBee, it be a kind of closely, low complex degree, low-power consumption, low data rate, two-way wireless communication technology cheaply, mainly be suitable for Long-distance Control, consumer electronics, home control, metering and intelligent energy, building automatic, medical treatment and more areas.The ZigBee SOC of a new generation chip CC2530 is real SOC(system on a chip) solution, supports IEEE802.15.4 standard/ZigBee/ZigBee Pro agreement, can be operated in the free frequency range 2.4GHz that need not to apply for.Have nearly 256 bytes of huge fast flash memory bank, CC2530 is desirable ZigBee professional application.CC2530 combine one fully-integrated, performance-oriented RF transceiver and 8051 microprocessors, the RAM of 8kB, 32/64/128/256KB flash memory, and other powerful support function and peripheral hardwares.CC2530 provides the link-quality of 101dB, outstanding receiver sensitivity and healthy and strong anti-interference resistance, and four kinds of powering modes, multiple flash memory size, and one overlap widely peripheral hardware collection-comprise 2 USART, 12 ADC and 21 general GPIO, and more.Except strengthening the 8051MCU kernel by outstanding RF performance, selectivity and industrywide standard, support general low-consumption wireless communication, CC2530 can also be equipped with a standard compatibility or the proprietary network protocol stack (RemoTI, Z-Stack, or SimpliciTI) of TI and simplify exploitation.
Summary of the invention
The present invention is directed to above two kinds of solutions, in conjunction with at present domestic and international present situation, to the deficiencies in the prior art, a kind of can blanketly integrate wireless and the novel solution of economy autonomous cruise speed system have been proposed: based on the automobile tire temperature and air pressure monitored control system of ZigBee wireless technology.
This system can be divided into four major parts, is respectively sensing acquisition part, wireless transmission receiving unit, control processing section and automatic spray heat sink part.Collecting part is comprised of temperature, pressure, flow sensor, is connected with a transmission over radio chip ZigBee CC2530 respectively.The wireless transmission receiver is controlled the processing section and is adopted the wireless SOC(system on a chip) of ZigBee CC2530, is connected with vehicle-carrying display screen, sound equipment and button is set.Automatic spraying device is comprised of water tank, intellectual water meter, distribution tube, master cock and water jet.
The workflow of this system is: the car owner presses button is set, and sets basic specification.press the button of starting working, being arranged on four pressure and temperature sensors on wheel gathers air pressure of automobile tire and gathers the flow of water with the flow sensor that temperature data and installation are connected on water tank, give respectively a ZigBee CC2530 microprocessor processes and launch through radio frequency part, the controller ZigBee that is arranged on operator's compartment receives data, read-out shows in real time current each tire pressure temperature and water consumption, controller judges whether four tire parameter datas are normal, if certain tire parameter exceeds preset range, vehicle audio sends audio alert information, the instruction of controller wireless transmission water spray.The ZigBee that is loaded on corresponding wheel receives the water spray instruction, opens the master cock that is connected on water pipe, carries out spray cooling and processes.Simultaneously, exceed the preset range minimum value if monitor the water yield, vehicle audio sends audio alert information, and the car owner should in time add water.After the tire parameter stability, controller sends and to stop the instruction of spraying water, and is loaded in ZigBee on corresponding wheel and receives and stop the instruction of spraying water, and closes the master cock that is connected on water pipe, stops cooling and processes.
The invention has the advantages that:
1, this system wireless partly adopts emerging ZigBee technology, in conjunction with up-to-date SOC(system on a chip) CC2530 chip, can be operated in and exempt to apply for free working frequency range 2.4GHz, but antenna can external integrating PCB antenna, interference is dropped to minimum.
2, this system possesses monitoring and is controlled in integrated automatic function.The monitoring of each tire pressure and temperature real-time radio can be realized, and abnormal conditions can be in time automatically processed.
3, possess the human computer interaction, manual established standards parameter, read-out shows each tire parameter in real time, the timely audio alert reminding user of pinpointing the problems.
4, this system possesses that cost is low, low in energy consumption, high efficiency, interference are little, man-machine interaction, real-time industrial automation and in conjunction with advantages such as vehicle bodies self, can be widely used in auto trade, for people's personal safety and property safety provide safeguard.
Description of drawings
Fig. 1 is the entire system design sketch
Fig. 2 is the system wireless transmission diagram
Fig. 3 is acquisition node ABCD figure
Fig. 4 is acquisition node E figure
Fig. 5 is host computer control figure
Fig. 6 is spraying ventilating device figure
Fig. 7 is ZigBee radio circuit figure
The specific embodiment
Below in conjunction with accompanying drawing, monitoring system provided by the invention is further described.
Accompanying drawing 4 for acquisition node E figure, is arranged on water tank, and leading portion connects intellectual water meter, and responsible collection is water consumption, and radios to main control system.
Accompanying drawing 5 for host computer control figure, is arranged on operator's compartment, is connected with sound equipment and control button with vehicle-carrying display screen, and be the control center of whole system.Be responsible for receiving the information that each acquisition node is sent, and in time make respective handling, comprise warning, show and send the spray order.
Accompanying drawing 6 is spraying ventilating device figure, and spray equipment is comprised of water tank, distribution tube, intellectual water meter, master cock, nozzle.Water flows out from water tank, is connected with intellectual water meter through water pipe, then is divided into four direction, leads to respectively four wheels, and the centre is connected with master cock, and four master cocies are subjected to respectively node A, B, C, D to control break-make, and water sprays from nozzle, lowers the temperature to tire.
The system works step is:
The first step: the car owner presses button is set, and sets basic specification, comprises the maximum safety value of motor tire temperature and air pressure and minimum guard value and safe water yield minimum value.
Second step: press the button of starting working, be arranged on four pressure and temperature sensors on wheel and gather air pressure of automobile tire and temperature data, the flow sensor that installation is connected on water tank gathers the flow of water, gives respectively the ZigBee CC2530 wireless transmitter module that is connected with oneself and processes and launch through radio frequency part.
The 3rd step: the controller ZigBee that is arranged on operator's compartment receives data parameters, and control chip judges whether four tire parameter datas are normal; Simultaneously, exceed the preset range minimum value if monitor the water yield, vehicle audio sends audio alert information, and the car owner should in time add water.
The 4th step: if parameters is all normal, read-out shows current tire pressure temperature and water consumption in real time, does not carry out other operations.
The 5th step: if certain tire parameter exceeds preset range, vehicle audio sends audio alert information, the instruction of controller wireless transmission water spray.
The 6th step: the corresponding ZigBee that is loaded on wheel receives the water spray instruction, and the master cock that is connected on water pipe is opened in order, carries out spray cooling and processes.
The 7th step: after the tire parameter stability, controller sends and to stop the instruction of spraying water, and is loaded in ZigBee on corresponding wheel and receives and stop the instruction of spraying water, and the master cock that is connected on water pipe is closed in order, stops cooling and processes.
The 8th step: when rest or during winter, can press the button that quits work, stop monitoring and process.
It is multi-field that this system combines transmission over radio, Embedded SoC and automation control etc., design a kind of air pressure of automobile tire based on ZigBee technology, the monitoring of temperature real-time radio and automatic spray cooling control system, provide a cover technical guarantee for solving automobile flat tire hidden danger.
Claims (7)
1. based on the automobile tire temperature and air pressure monitored control system of ZigBee wireless technology, it is characterized in that:
This system can be divided into four major parts, is respectively sensing acquisition part, wireless transmission receiving unit, control processing section and automatic spray heat sink part.
2. according to claim 1 based on the automobile tire temperature and air pressure monitored control system of ZigBee wireless technology, it is characterized in that, described sensing acquisition part is comprised of temperature, pressure, flow sensor, one group of temperature, pressure sensor connect a ZigBee CC2530 wireless module, and totally four groups are arranged on respectively on four wheels; Flow sensor adopts intellectual water meter, is connected with a ZigBee CC2530 wireless module.
3. according to claim 1 based on the automobile tire temperature and air pressure monitored control system of ZigBee wireless technology, it is characterized in that, described wireless transmission receiver is controlled the processing section and is adopted ZigBee CC2530 wireless chip, is connected with vehicle-carrying display screen, vehicle audio and control button.
4. according to claim 1 based on the automobile tire temperature and air pressure monitored control system of ZigBee wireless technology, it is characterized in that, described automatic spraying device is by water tank, intellectual water meter, distribution tube, master cock and water jet form, water tank can be fixed in the compartment, intellectual water meter and water tank, distribution tube connects, and output signal is connected to ZigBee CC2530 wireless module, four master cocies are connected between distribution tube and water jet, be controlled by four ZigBee CC2530 wireless modules on wheel, distribution tube is through water tank to four wheel place, the centre is connected with intellectual water meter and master cock.
5. the described automobile tire temperature and air pressure monitored control system based on the ZigBee wireless technology of claim 1, is characterized in that, comprises the steps:
The first step: the car owner presses button is set, and sets basic specification, comprises the maximum safety value of motor tire temperature and air pressure and minimum guard value and safe water yield minimum value.
Second step: press the button of starting working, be arranged on four pressure and temperature sensors on wheel and gather air pressure of automobile tire and temperature data, the flow sensor that installation is connected on water tank gathers the flow of water, gives respectively the ZigBee CC2530 wireless transmitter module that is connected with oneself and processes and launch through radio frequency part.
The 3rd step: the controller ZigBee that is arranged on operator's compartment receives data parameters, and control chip judges whether four tire parameter datas are normal; Simultaneously, exceed the preset range minimum value if monitor the water yield, vehicle audio sends audio alert information, and the car owner should in time add water.
The 4th step: if parameters is all normal, read-out shows current tire pressure temperature and water consumption in real time, does not carry out other operations.
The 5th step: if certain tire parameter exceeds preset range, vehicle audio sends audio alert information, the instruction of controller wireless transmission water spray.
The 6th step: the corresponding ZigBee that is loaded on wheel receives the water spray instruction, and the master cock that is connected on water pipe is opened in order, carries out spray cooling and processes.
The 7th step: after the tire parameter stability, controller sends and to stop the instruction of spraying water, and is loaded in ZigBee on corresponding wheel and receives and stop the instruction of spraying water, and the master cock that is connected on water pipe is closed in order, stops cooling and processes.
The 8th step: when rest or during winter, can press the button that quits work, stop monitoring and process.
6. the described automobile tire temperature and air pressure monitored control system based on the ZigBee wireless technology of claim 1, it is characterized in that, the principle that ZigBee CC2530 power supply used adopts powered battery to combine with the automobile current generator power supply, four ZigBee CC2530 on wheel adopt lithium battery power supply, can keep 6-24 month, and be enough to for Frequent Accidents season in summer; At the control ZigBee of operator's compartment CC2530, adopt the automobile current generator power supply, be connected with read-out with auto audio equipment.
7. the described automobile tire temperature and air pressure monitored control system based on the ZigBee wireless technology of claim 1 is characterized in that this system has the advantages such as low-power consumption, cost are low, high efficiency, wireless auto-mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110443326 CN103158449A (en) | 2011-12-17 | 2011-12-17 | Temperature and air pressure monitoring system of car tire based on wireless technology of ZigBee |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110443326 CN103158449A (en) | 2011-12-17 | 2011-12-17 | Temperature and air pressure monitoring system of car tire based on wireless technology of ZigBee |
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| CN103158449A true CN103158449A (en) | 2013-06-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313610A (en) * | 2015-11-05 | 2016-02-10 | 广东菲柯特电子科技有限公司 | Remote tire pressure monitoring system based on Zigbee technology |
| CN105922824A (en) * | 2016-05-16 | 2016-09-07 | 管晨光 | Temperature alarm system |
| CN106335329A (en) * | 2016-09-29 | 2017-01-18 | 衢州学院 | Tire safety detection system |
| CN107933214A (en) * | 2017-11-22 | 2018-04-20 | 广东菲柯特电子科技有限公司 | Tire pressure and tire temperature monitoring method, electronic equipment, storage medium and system |
| DE102018205703A1 (en) * | 2018-04-16 | 2019-10-17 | Continental Automotive Gmbh | Electronic tire module for a tire monitoring system of a vehicle |
| CN114454853A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Automobile brake cooling control device and control method |
-
2011
- 2011-12-17 CN CN 201110443326 patent/CN103158449A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313610A (en) * | 2015-11-05 | 2016-02-10 | 广东菲柯特电子科技有限公司 | Remote tire pressure monitoring system based on Zigbee technology |
| CN105922824A (en) * | 2016-05-16 | 2016-09-07 | 管晨光 | Temperature alarm system |
| CN106335329A (en) * | 2016-09-29 | 2017-01-18 | 衢州学院 | Tire safety detection system |
| CN107933214A (en) * | 2017-11-22 | 2018-04-20 | 广东菲柯特电子科技有限公司 | Tire pressure and tire temperature monitoring method, electronic equipment, storage medium and system |
| DE102018205703A1 (en) * | 2018-04-16 | 2019-10-17 | Continental Automotive Gmbh | Electronic tire module for a tire monitoring system of a vehicle |
| CN114454853A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Automobile brake cooling control device and control method |
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Application publication date: 20130619 |