CN103625423B - A kind of auto security system based on controlling vehicle-carrying communication network technology in real time - Google Patents
A kind of auto security system based on controlling vehicle-carrying communication network technology in real time Download PDFInfo
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Abstract
A kind of auto security system based on controlling vehicle-carrying communication network technology in real time of the present invention, belongs to wireless communication technology field.Structure has automotive ignition system (5), it is characterized in that, structure also has main control module (1), RFID module (2) and gsm module (3).The information that RFID module (2) receives by main control module (1) and the information prestored compare, if consistent automobile can normally start, if inconsistent, then locked by ignition module, automobile cannot be started, send alarm message simultaneously to car.Safety when the present invention can protect automobile to leave unused effectively, can reduce automobile event of stealing and occur.
Description
Technical field
The invention belongs to wireless communication technology field, being specifically related to a kind of auto security system based on controlling vehicle-carrying communication network technology in real time.
Background technology
Along with increasing rapidly of automobile pollution, automobile safety protective has become current social question of common concern.Every year because automobile is stolen, the property damage that causes such as spontaneous combustion and water logging is huge, therefore, extremely urgent to the research of auto security system.Auto security system is only limitted to anti-theft alarm in the market, and mostly be and attack siren and passback two classes, and have flase alarm, alarm range is little, can not the shortcoming such as track and localization to stolen vehicle.Along with the development of gps satellite location technology, automotive theft proof system based on GPS obtains applying comparatively widely, large and the accurate positioning of its alarm range, but there is system cost and the too high problem of operating costs, only used in superior automobile at present, and the anti-theft alarm problem of small and medium-sized car is not still effectively solved, be therefore difficult to meet the demand that China's domestic car produces the burglar alarm of the safety and precise of middle-size and small-size Own Brand automobile.
At present, have many automobile burglar products to sell both at home and abroad, these products are mostly only based on the one in RFID or GSM technology, and function is comprehensive not; And based on the car alarm function singleness, on the high side of GPS, the consumption demand of middle-size and small-size Own Brand vehicle owner can not be met.Simultaneously, research based on the on-vehicle information monitoring system of controller local area network (CAN) is a focus of CAN application, but all theory stage is rested on to the research major part of the automobile security product adopting the comprehensive RFID of CAN networking and GSM technology, everybody is seeking the practicability and effectiveness product development improving automobile safety protective, so still unrealized industrialization.Therefore, need to research and develop a kind of auto security system detecting in real time in conjunction with the vehicle-carrying communication real-time performance of GSM network and RFID technique and report to the police based on CAN.Safety when enabling this system effectively protect automobile to leave unused; reduce the generation of the events such as automobile pilferage; and there is stable performance; the advantages such as reasonable price; it is promoted and produces the industrialization paces by accelerating same car protection alarm device; thus directly affect auto trade expanding economy energetically with stable, improve automotive electronics market economy and protection social stability.
Summary of the invention
The technical problem to be solved in the present invention is, utilize wireless communication principles, and utilize RFID REID, a kind of real-time bus safety-protection system is provided, before using in advance radio frequency card number stored in main control module, for start automobile time, need by card near card reader, the card number read is passed to main control module and is processed, if consistent with the card number that prestores, can start by normal ignition; Otherwise, immediately Motronic control maps ignition system is cut off, sends alarming short message by gsm communication module to the cell-phone number prestored simultaneously.
Above-mentioned technical matters is realized by following technical scheme:
A kind of auto security system based on controlling vehicle-carrying communication network technology in real time, structure comprises automotive ignition system 5, it is characterized in that, the main control module 1 that structure is connected with automotive ignition system in addition and the RFID module 2 be connected with main control module 1 respectively and gsm module 3;
The structure of described main control module 1 is: 11 pin of Chip Microcomputer A tmega16L, 30 pin and the equal ground connection of 31 pin, 10 pin meet power vd D, 9 pin are by electric capacity C1 ground connection, 9 pin also meet power vd D by resistance R1 simultaneously, the indirect frequency of 12 pin and 13 pin is the crystal oscillator Y1 of 11.0592MHz, 12 pin and 13 pin also meet power vd D respectively by electric capacity C2 and electric capacity C3 simultaneously, 14 pin, 15 pin and 20 pin connecting resistance R2 respectively, one end of R3 and R4, resistance R2, the other end of R3 and R4 is respectively as the RXD port of main control module 1, TXD port and PowerDown port, 2 pin of Chip Microcomputer A tmega16L connect " control signal " port of ignition module in automotive ignition system 5,
The structure of described RFID module 2 is: 13 of chip MFRC500, 14 ~ 20 totally 8 pins successively with 40 of the Chip Microcomputer A tmega16L in main control module 1, 39 ~ 33 totally 8 pins be connected, 2 pin of chip MFRC500 are connected with 39 pin of the Chip Microcomputer A tmega16L in main control module 1, 6 pin of chip MFRC500, 22 pin, 23 pin, 25 pin and 26 pin all meet power vd D, 8 pin, 24 pin and the equal ground connection of 28 pin, the indirect frequency of 1 pin and 32 pin is the crystal oscillator Y2 of 13.56MHz, 1 pin and 32 pin are also respectively by electric capacity C4 and electric capacity C5 ground connection simultaneously, 30 pin are by electric capacity C6 ground connection, 30 pin also connect 29 pin by resistance R5 simultaneously, connect antenna, connect one end of electric capacity C7, the other end of electric capacity C7 is by inductance L 2 parallel with one another and electric capacity C10 ground connection, the other end of electric capacity C7 is also connected with one end of electric capacity C8, the other end of electric capacity C8 is by electric capacity C9 ground connection, also be connected with 5 pin of chip MFRC500 by inductance L 1, 7 pin of chip MFRC500 are connected with one end of electric capacity C13 with electric capacity C11 through inductance L 3 simultaneously, the other end ground connection of electric capacity C11, the other end of electric capacity C13 is by electric capacity C12 parallel with one another and inductance L 4 ground connection,
The structure of described gsm module 3 is: 1 ~ 5 pin of chip TC35i meets power vd D, simultaneously also by electric capacity C14 ground connection, 6 ~ 10 pin ground connection, connect the emitter of aerotron T1 simultaneously, 15 pin connect the collecting electrode of aerotron T1, one end of the base stage connecting resistance R8 of aerotron T1, one end of the other end of resistance R8 connecting resistance R7 and resistance R9 simultaneously, the other end ground connection of resistance R9, the other end of resistance R7 connects 9 pin of the Chip Microcomputer A tmega16L in main control module 1 as " startup " port of gsm module 3, 18 pin of chip TC35i are connected with RXD port with the TXD port of the Chip Microcomputer A tmega16L in main control module 1 respectively with 19 pin, 22 pin are by resistance R10 ground connection, the indirect loud speaker of 33 pin and 34 pin, 32 pin connect the base stage of aerotron T2 by resistance R12, the collecting electrode of aerotron T2 passes through the negative electrode of resistance R13 sending and receiving optical diode D1, the anode of light-emitting diode D1 meets power vd D, the grounded emitter of aerotron T2, one end of the 30 pin connecting resistance R11 of chip TC35i, the other end of resistance R11 is by electric capacity C15 ground connection, 24 pin of chip TC35i are connected with 3 pin of SIM with 28 pin simultaneously, 25 pin are connected with 2 pin of SIM, 26 pin are connected with 6 pin of SIM, 27 pin are connected with 1 pin of SIM, 29 pin are connected with 4 pin of SIM.
The preferred parameter of circuit is that each resistance parameter is respectively, R1:10k Ω, R2, R3, R4:10k Ω, R5:820k Ω, R6, R7, R8, R9:10k Ω, R10:2k Ω, R11:10k Ω, R12:1.5k Ω; R13:1k Ω; The parameter of described each electric capacity is respectively, C1:0.1uF, C2, C3:22pF, C4, C5:15pF, C6:0.1uF, C7:15pF, C8:27pF, C9:47pF, C10:270pF, C11:47pF, C12:270pF, C13:27pF, C14:0.1uF, C15:10uF; The parameter of described each inductance is respectively, L1, L3:2.2mH, L2, L4:0.1uH; The model of aerotron T1, T2 used is 2N3904; The voltage of power vd D is+5V.
In order to monitoring car environment, prevent vehicle interior temperature or humidity too high, basis of the present invention can also increase an environmental monitoring and display module 4, the structure of described environmental monitoring and display module 4 is: the GND of sensor chip SHT11 holds ground connection, vdd terminal meets power vd D, 40 pin of the Chip Microcomputer A tmega16L in DATA termination main control module 1, DATA end also meets power vd D by resistance R14, 8 pin of the Chip Microcomputer A tmega16L in SCK termination main control module 1, the vdd terminal mouth of LCDs LCD1602 meets power vd D, VSS port ground connection, VL port connects one end of slide rheostat R15, the other end of slide rheostat R15 and end of slide wire ground connection, the BLA termination power VDD of LCDs LCD1602, BLK holds ground connection, data terminal D0 ~ D7 totally 8 pins successively with 22 pin ~ 29 pin of the Chip Microcomputer A tmega16L in main control module 1 totally 8 pins be connected.
The preferred circuit parameter of described environmental monitoring and display module 4 is, resistance R14:4.7k Ω, slide rheostat R15:10k Ω.
In order to the present invention is connected to CAN(controller local area network) in bus, realize carrying out local area network building with other CAN equipment, basis of the present invention can also increase CAN control module 6, the structure of described CAN control module 6 is: 11 pin of CAN controller chip SJA1000, 12 pin, 17 pin, 18 pin and 22 pin all meet power vd D, 17 pin are also by electric capacity C18 ground connection, 15 pin and the equal ground connection of 21 pin, the indirect frequency of 9 pin and 10 pin is the crystal oscillator Y3 of 11.0592MHz, 9 pin and 10 pin are also respectively by electric capacity C16 and electric capacity C17 ground connection, 8 pin connect 25 pin of the Chip Microcomputer A tmega16L in main control module 1, the FPDP AD0 of CAN controller chip SJA1000, AD1 ~ AD7 totally 8 pins successively with 40 pin of the Chip Microcomputer A tmega16L in main control module 1, 39 pin ~ 33 pin totally 8 pins are connected, 13 pin of CAN controller chip SJA1000 connect 3 pin of optic coupler U1 by resistance R16, 2 pin of optic coupler U1 meet power vd D, the indirect resistance R17 of 8 pin and 6 pin, 8 pin are also connected with 7 pin, connect 2 pin of optic coupler U2 and 3 pin of CAN transceiving chip 82C250 simultaneously, 6 pin of optic coupler U1 also connect 1 pin of bus transceiving chip 82C250, 5 pin connect 2 pin of bus transceiving chip 82C250, 2 pin of bus transceiving chip 82C250 and the indirect electric capacity C20 of 3 pin, 8 pin are by resistance R20 ground connection, 4 pin connect 3 pin of optic coupler U2 by resistance R22, 7 pin meet the CANL of CAN by resistance R18, 6 pin meet the CANH of CAN by resistance R19, 8 pin and 7 pin of optic coupler U2 all meet power vd D, and by electric capacity C19 ground connection, 5 pin ground connection, resistance R21 is connected between 8 pin and 6 pin, 6 pin connect 19 pin of CAN controller chip SJA1000, the model of described optic coupler U1 and U2 is 6N137.
The priority circuit parameter of described CAN control module 6 is, the parameter of described each resistance is respectively, R16, R17:390 Ω; R18, R19:5 Ω; R20:47k Ω; R21, R22:390 Ω; The parameter of described each electric capacity is respectively, C16, C17:30pF, C18:100nF, C19:0.1uF, C20:100uF.
In order to suppress automotive ignition system to of the present invention based on the real-time electromagnetic interference controlling the auto security system of vehicle-carrying communication network technology, the ignition module available light electric isolating circuit of described automotive ignition system 5 is formed, the structure of described photoelectric isolating circuit is: the anode of the light-emitting diode of optocoupler T3 meets power vd D, negative electrode connects 2 pin of the Chip Microcomputer A tmega16L in main control module 1 as " control signal " port of ignition module, the collecting electrode of the photo-transistor of optocoupler T3 connects the+12V power supply of automotive ignition system 5, the grid of the field effect transistor T4 in emitter junction fire switching circuit, the model of described optocoupler T3 is 4N25.
In order to improve the performance of RFID module 2, antenna described in RFID module 2 can adopt the microstrip antenna with high impedance surface microwave photon structure, described high impedance surface microwave photon structure is the square patch array that 5 row × 8 arrange, each square patch unit is connected by the ground of the via hole with substrate back that are positioned at this unit center, the region that wherein, two row and 4 unit of the infall of two row near a lateral edges are formed does not have square patch unit, and the center in this region is rectangular patch antenna.
The length of side of described square patch unit is preferably 6.8mm, described pore radius of crossing is preferably 0.4mm, and the centre distance of adjacent two square patch unit is preferably 7.2mm, and antenna size is preferably 5.8mm × 8.3mm, substrate thickness is preferably 1mm, and relative dielectric constant is preferably 4.4.
Technical scheme of the present invention has following beneficial effect:
1, the present invention has radio frequency authentication function, adds the reliability of anti-theft system;
2, present invention achieves and can control automobile flameout after automobile is stolen, stop automobile to continue illegal traveling, by GSM network, base station search is carried out to the signal of vehicle communications device simultaneously and vehicle is positioned;
3, the present invention is relative to common guard against theft and alarm system and GPS position fixing system, has more perfect performance and cheaper price, therefore has the stronger market competitiveness;
4, the present invention adopts the microstrip antenna based on microwave photon structure to improve traditional RFID card reader, realizes having independent intellectual property right high-performance microstrip antenna card reader;
5, the present invention adopts advanced photoelectric isolation technology to suppress automotive ignition system to the electromagnetic interference of guard against theft and alarm system, improves reliability and the robustness of guard against theft and alarm system;
6, the present invention combines the advantage of RFID and GSM, in conjunction with the mobile phone generally used, antitheft, the function such as remote alarms and assistance tracking is integrated, realizes the multifunction of automotive anti-theft alarming system.
To sum up, the safety when auto security system based on controlling vehicle-carrying communication network technology in real time of the present invention can protect automobile to leave unused effectively, can reduce self-burning of vehicle, rain is filled with, pilferage event occurs.Meanwhile, this invention promotes prosperity and the social stability of automobile security protection electronic product industry, thus directly affects auto trade expanding economy energetically with stable, improves automotive electronics market.
Accompanying drawing illustrates:
Fig. 1 is the general frame of the present invention.
Fig. 2 is the schematic diagram of main control module 1.
Fig. 3 is the schematic diagram of RFID module 2.
Fig. 4 is preferred photonic crystal antenna structural representation in RFID module 2.
Fig. 5 is the schematic diagram of gsm module 3.
Fig. 6 is the schematic diagram of environmental monitoring and display module 4.
Fig. 7 is the structural representation of the automotive ignition system 5 of the present invention preferably with Phototube Coupling ignition module.
Fig. 8 is the structural representation of traditional automotive ignition system.
Fig. 9 is the connection diagram of CAN control module 6 and main control module 1.
Figure 10 is the schematic diagram of CAN control module 6.
Detailed description of the invention
Embodiment 1 overall system structure of the present invention
With reference to Fig. 1, the structure of the auto security system based on controlling vehicle-carrying communication network technology in real time of the present invention has, main control module 1, RFID module 2, gsm module 3 and automotive ignition system 5, wherein main control module 1 is responsible for coordinating the work between each module, by radio-frequency identification card near RFID module 2 time, RFID module 2 reads the information in identification card and delivers to main control module 1, the information of reception and the information prestored compare by main control module 1, if consistent, the ignition module in automotive ignition system 5 is opened, now normally can start automobile with car key, if inconsistent, then ignition module is locked, car key is made to start automobile, in car owner's mobile phone, send alarm message by gsm module 3 simultaneously, the cell-phone number of car owner can be pre-stored in gsm module 3.Environmental monitoring and display module 4 can also be increased on this basis for the humiture situation in Real-Time Monitoring car, and send monitoring data to main control module 1, be shown in LCD screen simultaneously, when the monitoring data of humiture exceeds normal range, alarm message is sent to car owner's mobile phone immediately by gsm module 3, the normal range of humiture data can predict setting by user, CAN control module 6 can also be increased for the present invention is connected to CAN(controller local area network) bus, realize carrying out local area network building with other CAN equipment.
Embodiment 2 main control module 1 of the present invention
With reference to Fig. 2, the structure of main control module 1 of the present invention is: 11 pin of Chip Microcomputer A tmega16L, 30 pin and the equal ground connection of 31 pin, 10 pin meet power vd D, 9 pin are by electric capacity C1 ground connection, 9 pin also meet power vd D by resistance R1 simultaneously, the indirect frequency of 12 pin and 13 pin is the crystal oscillator Y1 of 11.0592MHz, 12 pin and 13 pin also meet power vd D respectively by electric capacity C2 and electric capacity C3 simultaneously, 14 pin, 15 pin and 20 pin connecting resistance R2 respectively, one end of R3 and R4, resistance R2, the other end of R3 and R4 is respectively as the RXD port of main control module 1, TXD port and PowerDown port, 2 pin of Chip Microcomputer A tmega16L connect " control signal " port of ignition module in automotive ignition system 5.
Embodiment 3 RFID module 2 of the present invention
With reference to Fig. 3, the structure of RFID module 2 of the present invention is: 13 of chip MFRC500, 14 ~ 20 totally 8 pins successively with 40 of the Chip Microcomputer A tmega16L in main control module 1, 39 ~ 33 totally 8 pins be connected, 2 pin of chip MFRC500 are connected with 39 pin of the Chip Microcomputer A tmega16L in main control module 1, 6 pin of chip MFRC500, 22 pin, 23 pin, 25 pin and 26 pin all meet power vd D, 8 pin, 24 pin and the equal ground connection of 28 pin, the indirect frequency of 1 pin and 32 pin is the crystal oscillator Y2 of 13.56MHz, 1 pin and 32 pin are also respectively by electric capacity C4 and electric capacity C5 ground connection simultaneously, 30 pin are by electric capacity C6 ground connection, 30 pin also connect 29 pin by resistance R5 simultaneously, connect antenna, connect one end of electric capacity C7, the other end of electric capacity C7 is by inductance L 2 parallel with one another and electric capacity C10 ground connection, the other end of electric capacity C7 is also connected with one end of electric capacity C8, the other end of electric capacity C8 is by electric capacity C9 ground connection, also be connected with 5 pin of chip MFRC500 by inductance L 1, 7 pin of chip MFRC500 are connected with one end of electric capacity C13 with electric capacity C11 through inductance L 3 simultaneously, the other end ground connection of electric capacity C11, the other end of electric capacity C13 is by electric capacity C12 parallel with one another and inductance L 4 ground connection,
The improvement of the antenna in embodiment 4 RFID module 2 of the present invention
In order to improve the performance of RFID module 2, the present invention also improves the antenna in RFID module 2, as shown in Figure 4, the antenna improved is the microstrip antenna with high impedance surface microwave photon structure, the square patch array that 5 row × 8 that the square patch unit of described high impedance surface microwave photon structure to be the length of side be 6.8mm is formed arrange, each square patch unit is connected with the ground of substrate back by the via hole of unit center, cross pore radius and be 0.4mm, the centre distance of adjacent two square patch unit is 7.2mm, the region that wherein, two row and 4 unit of the infall of two row near a lateral edges are formed does not have square patch unit, the center in this region is rectangular patch antenna.Antenna size is 5.8mm × 8.3mm, and substrate thickness is 1mm, and relative dielectric constant is 4.4.
Embodiment 5 gsm module 3 of the present invention
With reference to Fig. 5, the structure of gsm module 3 of the present invention is: 1 ~ 5 pin of chip TC35i meets power vd D, simultaneously also by electric capacity C14 ground connection, 6 ~ 10 pin ground connection, connect the emitter of aerotron T1 simultaneously, 15 pin connect the collecting electrode of aerotron T1, one end of the base stage connecting resistance R8 of aerotron T1, one end of the other end of resistance R8 connecting resistance R7 and resistance R9 simultaneously, the other end ground connection of resistance R9, the other end of resistance R7 connects 9 pin of the Chip Microcomputer A tmega16L in main control module 1 as " startup " port of gsm module 3, 18 pin of chip TC35i are connected with RXD port with the TXD port of the Chip Microcomputer A tmega16L in main control module 1 respectively with 19 pin, 22 pin are by resistance R10 ground connection, the indirect loud speaker of 33 pin and 34 pin, 32 pin connect the base stage of aerotron T2 by resistance R12, the collecting electrode of aerotron T2 passes through the negative electrode of resistance R13 sending and receiving optical diode D1, the anode of light-emitting diode D1 meets power vd D, the grounded emitter of aerotron T2, one end of the 30 pin connecting resistance R11 of chip TC35i, the other end of resistance R11 is by electric capacity C15 ground connection, 24 pin of chip TC35i are connected with 3 pin of SIM with 28 pin simultaneously, 25 pin are connected with 2 pin of SIM, 26 pin are connected with 6 pin of SIM, 27 pin are connected with 1 pin of SIM, 29 pin are connected with 4 pin of SIM,
Embodiment 6 environmental monitoring of the present invention and display module 4
With reference to Fig. 6, the structure of environmental monitoring of the present invention and display module 4 is: the GND of sensor chip SHT11 holds ground connection, vdd terminal meets power vd D, 40 pin of the Chip Microcomputer A tmega16L in DATA termination main control module 1, DATA end also meets power vd D by resistance R14, 8 pin of the Chip Microcomputer A tmega16L in SCK termination main control module 1, the vdd terminal mouth of LCDs LCD1602 meets power vd D, VSS port ground connection, VL port connects one end of slide rheostat R15, the other end of slide rheostat R15 and end of slide wire ground connection, the BLA termination power VDD of LCDs LCD1602, BLK holds ground connection, data terminal D0 ~ D7 totally 8 pins successively with 22 pin ~ 29 pin of the Chip Microcomputer A tmega16L in main control module 1 totally 8 pins be connected,
Embodiment 7 CAN control module 6 of the present invention
With reference to Fig. 9 and Figure 10, the structure of CAN control module 6 of the present invention is: 11 pin of CAN controller chip SJA1000, 12 pin, 17 pin, 18 pin and 22 pin all meet power vd D, 17 pin are also by electric capacity C18 ground connection, 15 pin and the equal ground connection of 21 pin, the indirect frequency of 9 pin and 10 pin is the crystal oscillator Y3 of 11.0592MHz, 9 pin and 10 pin are also respectively by electric capacity C16 and electric capacity C17 ground connection, 8 pin connect 25 pin of the Chip Microcomputer A tmega16L in main control module 1, the FPDP AD0 of CAN controller chip SJA1000, AD1 ~ AD7 totally 8 pins successively with 40 pin of the Chip Microcomputer A tmega16L in main control module 1, 39 pin ~ 33 pin totally 8 pins are connected, 13 pin of CAN controller chip SJA1000 connect 3 pin of optic coupler U1 by resistance R16, 2 pin of optic coupler U1 meet power vd D, the indirect resistance R17 of 8 pin and 6 pin, 8 pin are also connected with 7 pin, connect 2 pin of optic coupler U2 and 3 pin of CAN transceiving chip 82C250 simultaneously, 6 pin of optic coupler U1 also connect 1 pin of bus transceiving chip 82C250, 5 pin connect 2 pin of bus transceiving chip 82C250, 2 pin of bus transceiving chip 82C250 and the indirect electric capacity C20 of 3 pin, 8 pin are by resistance R20 ground connection, 4 pin connect 3 pin of optic coupler U2 by resistance R22, 7 pin meet the CANL of CAN by resistance R18, 6 pin meet the CANH of CAN by resistance R19, 8 pin and 7 pin of optic coupler U2 all meet power vd D, and by electric capacity C19 ground connection, 5 pin ground connection, resistance R21 is connected between 8 pin and 6 pin, 6 pin connect 19 pin of CAN controller chip SJA1000, the model of described optic coupler U1 and U2 is 6N137.
Embodiment 8 the present invention controls traditional automotive ignition system
The structural representation of traditional automotive ignition system is shown in Fig. 8,2 pin of the micro controller system of control main control module 1 of the present invention are received on the control signal end of ignition module, when the identification card information that main control module 1 receives and prestored information inconsistent time, a signal can be exported by 2 pin of micro controller system, the mouth of ignition module is made to export a low level, this low level can make field effect transistor T5 end, and the primary return being equivalent to ignition system is in off state, and automobile cannot be started.
The automotive ignition system of the band photoelectric isolating circuit that embodiment 9 is improved
As seen in Figure 8, exist between the ignition module of traditional automotive ignition system and the present invention and be electrically connected, make ignition module can cause electric interference to warning of the present invention, the present invention have also been devised the automotive ignition system of the band photoelectric isolating circuit of improvement for this reason, see Fig. 7, ignition module is made up of photoelectric isolating circuit: the anode of the light-emitting diode of optocoupler T3 meets power vd D, negative electrode connects 2 pin of the Chip Microcomputer A tmega16L in main control module 1 as " control signal " port of ignition module, + 12V the power supply of the collector contact ignition system of the photo-transistor of optocoupler T3, the grid of the field effect transistor T4 in emitter junction fire switching circuit, emitter is by resistance R16 ground connection, when the identification card information that main control module 1 receives and prestored information inconsistent time, 2 pin of micro controller system export high level always, the light-emitting diode cut-off of optocoupler T3, there is no light output, the photo-transistor of optocoupler T3 is not owing to receiving optical signal, also off condition is in, its emitter voltage is 0, therefore also off condition is in by this voltage-controlled field effect transistor T4, the primary return of ignition system is made to be in off state, automobile cannot be started, when identification card information is consistent with prestored information, 2 pin of the micro controller system of main control module 1 become low level from high level, final field effect transistor T4 becomes conducting from cut-off, the primary return of ignition system normally can be controlled by car key, can normal ignition, because the control of main control module 1 pair of automotive ignition system is realized by optocoupler T3, make not electrical connection between warning of the present invention and automotive ignition system, can effectively prevent automotive ignition system from causing interference to warning.
The circuit preferred parameter of each embodiment has been shown in each accompanying drawing above
Embodiment 10 single-chip microcomputer control program of the present invention
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Claims (9)
1. the auto security system based on real-time control vehicle-carrying communication network technology, structure comprises automotive ignition system (5), it is characterized in that, the main control module (1) that structure is connected with automotive ignition system in addition and the RFID module (2) be connected with main control module (1) respectively and gsm module (3);
The structure of described main control module (1) is: 11 pin of Chip Microcomputer A tmega16L, 30 pin and the equal ground connection of 31 pin, 10 pin meet power vd D, 9 pin are by electric capacity C1 ground connection, 9 pin also meet power vd D by resistance R1 simultaneously, the indirect frequency of 12 pin and 13 pin is the crystal oscillator Y1 of 11.0592MHz, 12 pin and 13 pin also meet power vd D respectively by electric capacity C2 and electric capacity C3 simultaneously, 14 pin, 15 pin and 20 pin connecting resistance R2 respectively, one end of R3 and R4, resistance R2, the other end of R3 and R4 is respectively as the RXD port of main control module (1), TXD port and PowerDown port, 2 pin of Chip Microcomputer A tmega16L connect " control signal " port of ignition module in automotive ignition system (5),
The structure of described RFID module (2) is: 13 of chip MFRC500, 14 ~ 20 totally 8 pins successively with 40 of the Chip Microcomputer A tmega16L in main control module (1), 39 ~ 33 totally 8 pins be connected, 2 pin of chip MFRC500 are connected with 39 pin of the Chip Microcomputer A tmega16L in main control module (1), 6 pin of chip MFRC500, 22 pin, 23 pin, 25 pin and 26 pin all meet power vd D, 8 pin, 24 pin and the equal ground connection of 28 pin, the indirect frequency of 1 pin and 32 pin is the crystal oscillator Y2 of 13.56MHz, 1 pin and 32 pin are also respectively by electric capacity C4 and electric capacity C5 ground connection simultaneously, 30 pin are by electric capacity C6 ground connection, 30 pin also connect 29 pin by resistance R5 simultaneously, connect antenna, connect one end of electric capacity C7, the other end of electric capacity C7 is by inductance L 2 parallel with one another and electric capacity C10 ground connection, the other end of electric capacity C7 is also connected with one end of electric capacity C8, the other end of electric capacity C8 is by electric capacity C9 ground connection, also be connected with 5 pin of chip MFRC500 by inductance L 1, 7 pin of chip MFRC500 are connected with one end of electric capacity C13 with electric capacity C11 through inductance L 3 simultaneously, the other end ground connection of electric capacity C11, the other end of electric capacity C13 is by electric capacity C12 parallel with one another and inductance L 4 ground connection,
The structure of described gsm module (3) is: 1 ~ 5 pin of chip TC35i meets power vd D, simultaneously also by electric capacity C14 ground connection, 6 ~ 10 pin ground connection, connect the emitter of aerotron T1 simultaneously, 15 pin connect the collecting electrode of aerotron T1, one end of the base stage connecting resistance R8 of aerotron T1, one end of the other end of resistance R8 connecting resistance R7 and resistance R9 simultaneously, the other end ground connection of resistance R9, the other end of resistance R7 connects 9 pin of the Chip Microcomputer A tmega16L in main control module (1) as " startup " port of gsm module (3), 18 pin of chip TC35i are connected with RXD port with the TXD port of the Chip Microcomputer A tmega16L in main control module (1) respectively with 19 pin, 22 pin are by resistance R10 ground connection, the indirect loud speaker of 33 pin and 34 pin, 32 pin connect the base stage of aerotron T2 by resistance R12, the collecting electrode of aerotron T2 passes through the negative electrode of resistance R13 sending and receiving optical diode D1, the anode of light-emitting diode D1 meets power vd D, the grounded emitter of aerotron T2, one end of the 30 pin connecting resistance R11 of chip TC35i, the other end of resistance R11 is by electric capacity C15 ground connection, 24 pin of chip TC35i are connected with 3 pin of SIM with 28 pin simultaneously, 25 pin are connected with 2 pin of SIM, 26 pin are connected with 6 pin of SIM, 27 pin are connected with 1 pin of SIM, 29 pin are connected with 4 pin of SIM.
2. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 1, it is characterized in that, each resistance parameter is respectively, R1:10k Ω, R2, R3, R4:10k Ω, R5:820k Ω, R6, R7, R8, R9:10k Ω, R10:2k Ω, R11:10k Ω, R12:1.5k Ω; R13:1k Ω; The parameter of each electric capacity is respectively, C1:0.1uF, C2, C3:22pF, C4, C5:15pF, C6:0.1uF, C7:15pF, C8:27pF, C9:47pF, C10:270pF, C11:47pF, C12:270pF, C13:27pF, C14:0.1uF, C15:10uF; The parameter of each inductance is respectively, L1, L3:2.2mH, L2, L4:0.1uH; The model of aerotron T1, T2 used is 2N3904; The voltage of power vd D is+5V.
3. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 1 and 2, is characterized in that, the environmental monitoring that structure is connected with main control module (1) in addition and display module (4), the structure of described environmental monitoring and display module (4) is: the GND of sensor chip SHT11 holds ground connection, vdd terminal meets power vd D, 40 pin of the Chip Microcomputer A tmega16L in DATA termination main control module (1), DATA end also meets power vd D by resistance R14, 8 pin of the Chip Microcomputer A tmega16L in SCK termination main control module (1), the vdd terminal mouth of LCDs LCD1602 meets power vd D, VSS port ground connection, VL port connects one end of slide rheostat R15, the other end of slide rheostat R15 and end of slide wire ground connection, the BLA termination power VDD of LCDs LCD1602, BLK holds ground connection, data terminal D0 ~ D7 totally 8 pins successively with 22 pin ~ 29 pin of the Chip Microcomputer A tmega16L in main control module (1) totally 8 pins be connected.
4. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 3, it is characterized in that, the resistance of described resistance R14 is 4.7k Ω, and the resistance of described slide rheostat R15 is 10k Ω.
5. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 1 and 2, is characterized in that, the CAN control module (6) that structure is connected with main control module (1) in addition, the structure of described CAN control module (6) is: 11 pin of CAN controller chip SJA1000, 12 pin, 17 pin, 18 pin and 22 pin all meet power vd D, 17 pin are also by electric capacity C18 ground connection, 15 pin and the equal ground connection of 21 pin, the indirect frequency of 9 pin and 10 pin is the crystal oscillator Y3 of 11.0592MHz, 9 pin and 10 pin are also respectively by electric capacity C16 and electric capacity C17 ground connection, 8 pin connect 25 pin of the Chip Microcomputer A tmega16L in main control module (1), the FPDP AD0 of CAN controller chip SJA1000, AD1 ~ AD7 totally 8 pins successively with 40 pin of the Chip Microcomputer A tmega16L in main control module (1), 39 pin ~ 33 pin totally 8 pins are connected, 13 pin of CAN controller chip SJA1000 connect 3 pin of optic coupler U1 by resistance R16, 2 pin of optic coupler U1 meet power vd D, the indirect resistance R17 of 8 pin and 6 pin, 8 pin are also connected with 7 pin, connect 2 pin of optic coupler U2 and 3 pin of CAN transceiving chip 82C250 simultaneously, 6 pin of optic coupler U1 also connect 1 pin of bus transceiving chip 82C250, 5 pin connect 2 pin of bus transceiving chip 82C250, 2 pin of bus transceiving chip 82C250 and the indirect electric capacity C20 of 3 pin, 8 pin are by resistance R20 ground connection, 4 pin connect 3 pin of optic coupler U2 by resistance R22, 7 pin meet the CANL of CAN by resistance R18, 6 pin meet the CANH of CAN by resistance R19, 8 pin and 7 pin of optic coupler U2 all meet power vd D, and by electric capacity C19 ground connection, 5 pin ground connection, resistance R21 is connected between 8 pin and 6 pin, 6 pin connect 19 pin of CAN controller chip SJA1000, the model of described optic coupler U1 and U2 is 6N137.
6. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 5, it is characterized in that, the parameter of each resistance is respectively, R16, R17:390 Ω; R18, R19:5 Ω; R20:47k Ω; R21, R22:390 Ω; The parameter of each electric capacity is respectively, C16, C17:30pF, C18:100nF, C19:0.1uF, C20:100uF.
7. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 1 and 2, it is characterized in that, the ignition module of described automotive ignition system (5) is made up of photoelectric isolating circuit, the structure of described photoelectric isolating circuit is: the anode of the light-emitting diode of optocoupler T3 meets power vd D, negative electrode connects 2 pin of the Chip Microcomputer A tmega16L in main control module (1) as " control signal " port of ignition module, the collecting electrode of the photo-transistor of optocoupler T3 connects the+12V power supply of automotive ignition system (5), the grid of the field effect transistor T4 in emitter junction fire switching circuit, the model of described optocoupler T3 is 4N25.
8. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 1 and 2, it is characterized in that, antenna described in RFID module (2) is the microstrip antenna with high impedance surface microwave photon structure, described high impedance surface microwave photon structure is the square patch array that 5 row × 8 arrange, each square patch unit is connected by the ground of the via hole with substrate back that are positioned at this unit center, the region that wherein, two row and 4 unit of the infall of two row near a lateral edges are formed does not have square patch unit, the center in this region is rectangular patch antenna.
9. a kind of auto security system based on controlling vehicle-carrying communication network technology in real time according to claim 8, it is characterized in that, the length of side of described square patch unit is 6.8mm, described pore radius of crossing is 0.4mm, the centre distance of adjacent two square patch unit is 7.2mm, antenna size is 5.8mm × 8.3mm, and substrate thickness is 1mm, and relative dielectric constant is 4.4.
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| CN104648320A (en) * | 2014-12-17 | 2015-05-27 | 重庆科技学院 | RFID (radio frequency identification devices)-based vehicle alarm system and control method thereof |
| CN104890621A (en) * | 2015-04-24 | 2015-09-09 | 吉林大学 | Wireless communication real-time monitoring vehicle-mounted security system based on CAN control |
| CN105539342A (en) * | 2016-01-20 | 2016-05-04 | 洛阳师范学院 | Using method of short message warning device for automobile interior detection |
| CN107221180B (en) * | 2016-03-22 | 2021-10-01 | 福特环球技术公司 | Method for vehicle management and traffic management system |
| CN106494352A (en) * | 2016-11-14 | 2017-03-15 | 淮海工学院 | A kind of long-distance intelligent automobile burglar control system |
| KR102695209B1 (en) * | 2019-03-21 | 2024-08-13 | 현대자동차주식회사 | Method And Apparatus for controlling vehicle using Identity Device |
| CN112186896A (en) * | 2020-09-15 | 2021-01-05 | 国网北京市电力公司 | Power grid equipment fault processing method, device and system |
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