CN102407742B - Wheel load sensing system and wheel load sensing method of vehicle network interconnection based on RFID (Radio Frequency Identification Device) self energy supply - Google Patents
Wheel load sensing system and wheel load sensing method of vehicle network interconnection based on RFID (Radio Frequency Identification Device) self energy supply Download PDFInfo
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- CN102407742B CN102407742B CN201110290958.5A CN201110290958A CN102407742B CN 102407742 B CN102407742 B CN 102407742B CN 201110290958 A CN201110290958 A CN 201110290958A CN 102407742 B CN102407742 B CN 102407742B
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Abstract
The invention discloses a wheel load sensing system and a wheel load sensing method of vehicle network interconnection based on RFID (Radio Frequency Identification Device) self energy supply. The system comprises a car inside monitoring terminal module, a wheel intelligent sensing receiving end module for receiving activated label power signal, acquiring wheel safety related dynamic data and capacitance electric quantity data information, and wirelessly feeding back received data to a self energy supply transmitting end module, and the self energy supply transmitting end module which performs inductance matching and coupling by electromagnetic coil and inductance coil of the wheel intelligent sensing receiving end module to realize wireless power supply, and can read, analyze and judge data transmitted from the wheel intelligent sensing receiving end module. Based on this, the self energy supply transmitting end module transmits detection data to a cab monitoring terminal through Zigbee mode, and overall monitoring mode of vehicle network interconnection is realized based on GPRS finally. The mode of wheel load real-time accurate detection on motor vehicle safety running parameters is perfected and the bottom layer detection technique of the vehicle network interconnection is further improved.
Description
Technical field
The present invention relates to self-propelled vehicle safe in operation monitoring field, relate in particular to a kind of based on the self-energizing car networking wheel-carrying sensor-based system of RFID and method.
Background technology
Self-propelled vehicle safe in operation Condition Monitoring Technology is the Main Means that guarantees motor vehicle safe drive.Adopt self-propelled vehicle safe in operation condition monitoring technology to carry out dynamic monitoring to self-propelled vehicle safe in operation state and operating index, find in time and prevention vehicle trouble, development monitoring, control, management and decision are in the safety supervisory network system of one, significant to automobile safety operation; It is the great public and social interest's technical work that is related to the country and people's security of the lives and property, is to ensure the important technical support of power actuated vehicle safe in operation, is the very important technical guarantee of government administration section to automobile safety operation; It can not only improve technical guarantee ability, the minimizing traffic accident of automobile safety operation, and to promoting the development of automotive industry and traffic luck tendency cause to be of great importance.
At present, adopting wheel load type intelligent sensing is the inexorable trend of self-propelled vehicle safe in operation detection technique development.Yet on self-propelled vehicle, the mode of wheel load type intelligent sensing device power supply generally adopts external small-capacity cells at present, as 1.2V/ joint etc., existence is difficult to realize the power supply lasting and stable to vehicle intelligent sensor, need regularly the problems such as dismounting and change battery, the more important thing is that delivery decline directly has influence on data accuracy and the transmission of related sensor, this has become self-propelled vehicle wheel load is Study On Intelligent Monitoring Techniques development bottleneck.Therefore self-propelled vehicle wheel load formula Intelligent Sensing System adopts self-powered mode will become a kind of effective ways.
Summary of the invention
For solving the problem and blemish of above-mentioned middle existence, the invention provides a kind of based on the self-energizing car networking wheel-carrying sensor-based system of RFID and method.Described technical scheme is as follows:
Based on the self-energizing car networking of RFID wheel-carrying sensor-based system, comprising:
Monitor terminal module in car, by GPRS and the two way communication of remote monitor and control server, described system also comprises self energizing transmitting terminal module and wheel intelligent sensing receiving end module, wherein
Wheel intelligent sensing receiving end module, the safe associated dynamic data and the electric capacity electric quantity data information that for receiving, activate label power signal, gather wheel, and the data wireless receiving is fed back to self energizing transmitting terminal module;
Self energizing transmitting terminal module, read the data that receive, and carry out the coupling of inductance coupling by inductance coil and wheel intelligent sensing receiving end module inductance coil, realize wireless power, and can read and analyze the related data that judgement wheel intelligent sensing receiving end module sends.
Based on the self-energizing car networking of RFID wheel-carrying method for sensing, the method comprises:
Integrate process information source;
The inductance coil of wheel intelligent sensing receiving end module and self energizing transmitting terminal module is carried out to the coupling of inductance coupling, realize wireless power;
By the safe associated dynamic data of intelligent sensing unit perception wheel;
Electric capacity electric quantity data in the safe associated dynamic data of collection wheel and super capacitor, and by data fusion;
The electric capacity electric quantity data information in the safe associated dynamic data of wheel and super capacitor that reads is carried out information feedback;
Feedback information is carried out to pretreatment, electric capacity electric quantity data information in the safe associated dynamic data of fractionation wheel and super capacitor, and analysis judges whether electric capacity electric weight is wheel intelligent sensing receiving end module for power supply;
By Zigbee network, be connected with monitor terminal module in car, the safe associated dynamic data of the wheel after transmission splits arrive monitor terminal module in car, and in car, in monitor terminal module, analyze the safety factor of judgement wheel, reaction real time status.
The beneficial effect of technical scheme provided by the invention is:
By intelligent transducer, automobile safety associated dynamic data (as attitude, live load, deceleration and stopping performance) etc. are detected, car networking bottom detection technique is further enhanced.
The super capacitor of receiving end has been avoided cannot detecting the difficult situation with transmitting data because of temporary transient power-off by the electric energy of accepting being stored and discharging.
Accompanying drawing explanation
Fig. 1 is the whole monitoring platform structure figure schematic diagram based on the self-energizing car networking of RFID wheel-carrying sensor-based system;
Fig. 2 is self-propelled vehicle wheel load formula sensing complete layout in the self-energizing car networking of RFID;
Fig. 3 installs and transmitting terminal module diagram with wheel birds-eye view signal wheel-loaded intelligent sensing wheel receiving end module;
Fig. 4 is wheel intelligent sensing receiving end modular circuit constructional drawing;
Fig. 5 is based on wheel-carrying method for sensing diagram of circuit in the self-energizing car networking of RFID.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail:
As shown in Figure 1 and Figure 2, it is a kind of based on the self-energizing car networking of RFID wheel-carrying sensor-based system that the present embodiment provides, this system comprises: monitor terminal module 4 in wheel 1, car, by GPRS and the two way communication of remote monitor and control server, described system also comprises self energizing transmitting terminal module 3 and wheel intelligent sensing receiving end module 2, wherein
Wheel intelligent sensing receiving end module, the safe associated dynamic data and the electric capacity electric quantity data that for receiving, activate label power signal, gather wheel, and the data wireless receiving is fed back to self energizing transmitting terminal module;
Self energizing transmitting terminal module, read the data that receive, and carry out the coupling of inductance coupling by inductance coil and wheel intelligent sensing receiving end module inductance coil, realize wireless power, and can read and analyze the related data that judgement wheel intelligent sensing receiving end module sends.
In the monitoring network platform of said system integral body: each self-propelled vehicle all detects four wheels by monitor terminal, and be shown in real time operator's compartment, monitor terminal is by monitoring server two way communication in GPRS and telemanagement department simultaneously, carry out further security monitoring analysis, analysis result is fed back to operator's compartment simultaneously, to realize the implementing monitoring of vehicle safety, operating personal or car owner can pass through internet checking vehicle operating secure data simultaneously, finally realize the whole man-machine coordination monitoring network of car networked system.Wherein self energizing transmitting terminal module and wheel intelligent sensing receiving end module are data acquisitions and the headend equipment that receives site measuring and control strategy in system, are the parts of site measuring and control layer most critical.Self energizing transmitting terminal module can be carried out node communication by Zigbee network, and between self energizing transmitting terminal module and wheel intelligent sensing receiving end module, the communication with IEEE1451.7 carries out data transmission.
Above-mentioned wheel intelligent sensing receiving end module 2 is installed on the surface, wheel hub equator of each wheel 1, self energizing transmitting terminal module is installed on after the mud guard of each wheel, keep certain distance (as shown in Figure 3) with wheel, the power supply of its self energizing transmitting terminal module can be obtained by self-propelled vehicle itself.
As shown in Figure 4, be the Circuits System of wheel intelligent sensing receiving end module, this system comprises: inductance coil 2a, electric power processing system 2b, intelligent transducer 2c, PIC treater 2d, RFID label 2e and super capacitor 2f; Described inductance coil is for receiving electric energy, electric power processing system for adjusting the voltage parameter of gained power supply; Intelligent transducer, PIC treater are processed intelligent transducer the data obtained; RFID label is used for transmitting data; Super capacitor, for energy storage and power supply.
The principle of work of its above-mentioned wheel intelligent sensing receiving terminal circuit system is: the mode of inductance coil by inductive coupling receives electric energy and by electric power processing system, electric induction power source rectification, filtering, voltage stabilizing and transformation etc. obtained stablizing lasting 5V direct supply from self energizing transmitting terminal module is that wheel intelligent sensing receiving terminal circuit (comprising super capacitor, sensor, PIC treater, RFID label) provides power supply.Intelligent transducer can detect the safe associated dynamic data of vehicle wheels, the safe associated dynamic data of described wheel include attitude parameter, dynamic load parameters, deceleration and stopping performance parameter etc., analog or digital sensor is connected with PIC treater according to IEEE1451.4 standard, data are delivered in PIC treater and are processed, then PIC treater is delivered to RFID label by data, in order to transfer data in self energizing transmitting terminal module, super capacitor store electrical energy from the power supply after electric power processing system arranges reaches 2.7V simultaneously, and cannot give wheel intelligent sensing receiving end electric energy transmitting because of fault or the power-off of self energizing transmitting terminal, and wheel intelligent sensing receiving end also needs to transmit while detecting data, super capacitor starts to discharge electric energy, for circuit temporarily provides power supply.Super capacitor can be delivered to the voltage data of self in PIC treater simultaneously, in order to together to send to self energizing transmitting terminal with intelligent transducer data, allows the analysis of self energizing transmitting terminal whether to super capacitor, continue charging.Between the RFID label antenna of wheel intelligent sensing receiving end and the reader of self energizing transmitting terminal, pass through IEEE1451.7 standard transmission data.
As shown in Figure 5, shown that this flow process comprises the following steps based on wheel-carrying method for sensing flow process in the self-energizing car networking of RFID:
Will be from Vehicular direct-current power supply by transformation by self energizing transmitting terminal module, oscillating circuit is adjusted into suitable voltage and frequency, for wireless power is prepared.
By the inductance coil of transmitting terminal and the inductance coil of receiving end, carry out inductance and mate coupling, realize wireless power, for wheel intelligent sensing receiving end provides power supply.
The safe associated dynamic data of step 103 perception wheel;
The safe associated dynamic data (as attitude, live load, deceleration and stopping performance etc.) of intelligent sensing unit perception wheel, wheel three-dimensional acceleration comprises: tangential acceleration, lateral acceleration and centripetal acceleration.
From intelligent transducer and reservoir capacitance, collect safe associated dynamic data and electric capacity electric weight and arrange and carry out data fusion.
By RFID antenna, the information such as safe associated dynamic data and electric capacity electric weight are transmitted into self energizing transmitting terminal after disturbance rejection, and read wherein data by the reader of self energizing transmitting terminal, and the data message reading is fed back.
Utilize treater to split electric capacity electric quantity data information in the safe associated dynamic data of wheel and super capacitor, and analyze to judge whether electric capacity electric weight is wheel intelligent sensing receiving end module for power supply, with prevent from overcharging and electric weight too low.
By Zigbee network, be connected with monitor terminal module in car, the safe associated dynamic data of the wheel after transmission splits arrive monitor terminal module in car, and in car, in monitor terminal module, analyze the safety factor of judgement wheel, reaction real time status.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. based on the self-energizing car networking of RFID wheel-carrying sensor-based system, comprise: monitor terminal module in car, by GPRS and the two way communication of remote monitor and control server, is characterized in that, described system also comprises self energizing transmitting terminal module and wheel intelligent sensing receiving end module, wherein
Wheel intelligent sensing receiving end module, the safe associated dynamic data and the electric capacity electric quantity data that for receiving, activate label power signal, gather wheel, and the data wireless receiving is fed back to self energizing transmitting terminal module;
Self energizing transmitting terminal module, carries out the coupling of inductance coupling by inductance coil and wheel intelligent sensing receiving end module inductance coil, realizes wireless power, and can read and analyze the related data that judgement wheel intelligent sensing receiving end module sends;
In wheel intelligent sensing receiving end module, intelligent transducer detects the safe associated dynamic data of vehicle wheels, the safe associated dynamic data of described wheel comprise attitude parameter, dynamic load parameters, deceleration and stopping performance parameter, and each parameter is connected with PIC treater according to IEEE1451.4 standard with analog or digital sensing mode;
Communication with IEEE1451.7 standard between described self energizing transmitting terminal and wheel intelligent sensing receiving end module carries out data transmission.
2. according to claim 1ly based on the self-energizing car of RFID networking wheel-carrying sensor-based system, it is characterized in that, described self energizing transmitting terminal module be arranged on mudguard for vehicle wheel after, described wheel intelligent sensing receiver module is arranged on wheel.
3. according to claim 1 based on the self-energizing car networking of RFID wheel-carrying sensor-based system, it is characterized in that, in wheel intelligent sensing receiving end module, the Circuits System of receiving end comprises inductance coil, electric power processing system, intelligent transducer, PIC treater, RFID label and super capacitor; Described
Inductance coil, for receiving electric energy;
Electric power processing system, for adjusting the voltage parameter of gained power supply;
PIC treater, for the treatment of intelligent transducer the data obtained;
RFID label, for transmitting data;
Super capacitor, for energy storage and power supply.
4. based on the self-energizing car networking of RFID wheel-carrying method for sensing, it is characterized in that, described method comprises:
Integrate process information source;
The inductance coil of wheel intelligent sensing receiving end module and self energizing transmitting terminal module is carried out to the coupling of inductance coupling, realize wireless power;
By the safe associated dynamic data of intelligent sensing unit perception wheel;
Electric capacity electric quantity data in the safe associated dynamic data of collection wheel and super capacitor, and by data fusion;
The electric capacity electric quantity data information in the safe associated dynamic data of wheel and super capacitor that reads is carried out information feedback;
Feedback information is carried out to pretreatment, electric capacity electric quantity data information in the safe associated dynamic data of fractionation wheel and super capacitor, and analysis judges whether electric capacity electric weight is wheel intelligent sensing receiving end module for power supply;
By Zigbee network, be connected with monitor terminal module in car, the safe associated dynamic data of the wheel after transmission splits arrive monitor terminal module in car, and in car, in monitor terminal module, analyze the safety factor of judgement wheel, reaction real time status;
Described self energizing transmitting terminal module by transformation, concussion after the frequency that obtains realize inductive coupling; Described wheel intelligent sensing receiving end module adopts after rectification, filtering, mu balanced circuit, powers online to tag circuit and sensor, and utilizes super capacitor by electrical power storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110290958.5A CN102407742B (en) | 2011-09-29 | 2011-09-29 | Wheel load sensing system and wheel load sensing method of vehicle network interconnection based on RFID (Radio Frequency Identification Device) self energy supply |
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| CN201110290958.5A CN102407742B (en) | 2011-09-29 | 2011-09-29 | Wheel load sensing system and wheel load sensing method of vehicle network interconnection based on RFID (Radio Frequency Identification Device) self energy supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111007808A (en) * | 2019-09-09 | 2020-04-14 | 广汽乘用车有限公司 | Workshop production monitoring system and method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109203876A (en) * | 2017-07-07 | 2019-01-15 | 杭州中策车空间汽车服务有限公司 | The air control processing method and system of integrated tire networking |
| CN109447222B (en) * | 2018-10-30 | 2021-05-04 | 电子科技大学 | Bluetooth-based self-powered active RFID (radio frequency identification) tag system |
| CN112700656A (en) * | 2020-12-28 | 2021-04-23 | 湖南工程学院 | Self-powered vehicle speed measurement and overspeed photographing evidence obtaining system |
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| CN101354834A (en) * | 2008-05-12 | 2009-01-28 | 吉林大学 | Highway transportation integrative monitoring early-warning system |
| CN101386251A (en) * | 2008-10-30 | 2009-03-18 | 桂林电子科技大学 | Passive vehicle tyre pressure monitoring system and use method thereof |
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| CN201580217U (en) * | 2009-08-18 | 2010-09-15 | 群丰科技股份有限公司 | Non-contact charged tire information detector and charger and system comprising detector and charger |
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| JP4963006B2 (en) * | 2002-09-09 | 2012-06-27 | Ｎｔｎ株式会社 | Wireless sensor system and wheel bearing device with wireless sensor |
| JP4218586B2 (en) * | 2004-05-21 | 2009-02-04 | 株式会社デンソー | Tire pressure detector |
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Patent Citations (4)
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| CN101354834A (en) * | 2008-05-12 | 2009-01-28 | 吉林大学 | Highway transportation integrative monitoring early-warning system |
| CN101386251A (en) * | 2008-10-30 | 2009-03-18 | 桂林电子科技大学 | Passive vehicle tyre pressure monitoring system and use method thereof |
| CN201348737Y (en) * | 2009-02-06 | 2009-11-18 | 哈尔滨威帝汽车电子有限公司 | Vehicle remote monitoring system |
| CN201580217U (en) * | 2009-08-18 | 2010-09-15 | 群丰科技股份有限公司 | Non-contact charged tire information detector and charger and system comprising detector and charger |
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| CN111007808A (en) * | 2019-09-09 | 2020-04-14 | 广汽乘用车有限公司 | Workshop production monitoring system and method |
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