CN2455549Y - Computer remote controlled coded lock and security device for vehicle - Google Patents

Abstract

The utility model relates to a computer digital remote-control cipher lock anti-theft device for a vehicle. The utility model is composed of a micro-control host machine, a middle-control handset and a digital handset which are communicated with each other by receiving and transmitting coded radio waves, wherein a middle-control handset circuit is formed by the connection of an aerial, a transmitting circuit, a modulation oscillator, a coding circuit, keys, a transmitting indicator, etc.; a digital handset circuit is formed by the connection of an aerial, a transmitting circuit, a modulation oscillator, a signal coding circuit, a number converter, a digital keyboard, a transmitting indicator, etc.; a host machine circuit is formed by the connection of an aerial, a receiving circuit, a signal amplifier, a decoder, a CPU processor, a storage comparator, a buffer, an execution unit, a vibration sensing device, etc. The utility model has the advantages of double anti-theft functions, difficult cipher decryption, strong confidentiality, good anti-theft performance, small volume, low cost, and convenient operation and carrying.

Description

Microcomputerized digital remote-control car coded lock Car Burglar Alarm

The utility model is a kind of microcomputerized digital remote-control car coded lock Car Burglar Alarm, belongs to automobile remote-control anti-theft technique and equipment.

At present, though car alarm is various in style, fancy is different, and basic function all is to utilize coding IC, electromagnetic wave is carried out modulation and demodulation come the Control of Automobile centrally controrlled locking system, and based on warning, anti-theft feature is extremely weak.The popular used encoding and decoding IC of car alarm in market all has only 12, wherein has four as data line, is actually used in have only 8 of coding, even high level, low level, unsettled three-state are used entirely, encoding amount also can only reach 3 ⁷=6561 duplication codes not, very easy cracking, this Car Burglar Alarm can only be controlled car door and lock, unblanks, and theftproof performance is poor, in case the burglar opens car door with illegal means, automobile does not just have safe antitheft to say; Opening arbitrary car door of four car doors, is easy to do thing (can enter operator's compartment by sled glass or picking lock) to the common thief.Therefore, domestic existing vehicle also will be loaded onto various mechanical locks except loading onto car alarm, bring great inconvenience to the user.

The purpose of this utility model is exactly in order to overcome and to solve that to have the car alarm encoding amount now few, crack easily, theftproof performance is poor, also must use heavy mechanical lock except using Car Burglar Alarm, the shortcoming and the problem of making troubles etc. to the user, a kind of use habit of both having catered to the user of research and design, it is big to have encoding amount again, is difficult to crack, theftproof performance is good, practical safety, microcomputerized digital remote-control car coded lock Car Burglar Alarm easy to use, cheap, as to have the double anti-theft function.

The utility model is realized by following technical proposals: the structural representation of microcomputerized digital remote-control car coded lock Car Burglar Alarm as shown in Figure 1; Its central controlled lock remote control mobile phone circuit block diagram as shown in Figure 2; Its coded lock anti-theft digital mobile phone circuit block scheme as shown in Figure 3; Vehicle cryptographic is locked Car Burglar Alarm host circuit block scheme as shown in Figure 4, and microcomputerized digital remote-control car coded lock Car Burglar Alarm circuitry schematic diagram is shown in Fig. 7～10.This coded lock Car Burglar Alarm adopts advanced mcu programming technology, increase password storage IC, adopt the digit conversion technology, be stored in numerical ciphers in the micro controller system respectively, carry out code character then relatively, determine whether to open, it is by micro-control main frame 1, middle control mobile phone 2, digital cell phone 3 is by emission, the received code radiowave is communicated with formation, its interconnected relationship is: the digital coding radiowave that control mobile phone 2 or digital cell phone 3 sent during micro-control main frame 1 received by the reception head, amplify shaping through signal, decoding and the signal that relatively control mobile phone or digital cell phone send in the identification, and through the singlechip CPU information processing, execution unit is sent instruction, execution unit sends instruction according to main frame and makes corresponding operation, the formation microcomputerized digital remote-control car coded lock Car Burglar Alarm thereby realization micro-control main frame 1 is connected with middle control mobile phone 2 or digital cell phone 3; Simultaneously four I/O mouths that main frame can also be by micro controller system and connection lead link to each other with shake device, service brake, ACC (lock), Door Lock of sense respectively, send and report to the police or the order of executable operations, thereby the realization main frame is to the connection of automobile corresponding component; Wherein: the circuit of middle control mobile phone---central controlled lock remote controller is by antenna 4, transmission circuit 5, modulating oscillator 6, encode circuit 7, button 8, emission indicating device 9 connects and composes jointly, and its interconnected relationship is: transmission circuit 5 is electrically connected with emitting antenna 4, emission indicating device 9, modulating oscillator 6 respectively mutually by rf signal line, choke coil, modulating oscillation signal wire (SW) respectively; Encode circuit 7 is electrically connected with button 8, modulating oscillator 6 respectively mutually by push button signalling line, code signal line respectively; The circuit of digital cell phone---numerical ciphers remote controller is by antenna 10, transmission circuit 11, modulating oscillator 12, encode circuit 13, number converter 14, numeric keypad 15 and emission indicating device 16 are electrically connected formation jointly, and its interconnected relationship is: transmission circuit 11 is electrically connected with antenna 10, emission indicating device 16, modulating oscillator 12 respectively mutually by rf signal line, choke coil, modulating oscillation signal wire (SW) respectively; Signal encoding circuit 13 is electrically connected with modulating oscillator 12, number converter 14 respectively mutually by code signal line, digit conversion signal respectively; Numeric keypad 15 is electrically connected mutually by keyboard signal output line and number converter 14; The micro-control host circuit is electrically connected jointly and is constituted by shake device 27, filter network 28, filter circuit of pressure-stabilizing 29 of antenna 17, acceptor circuit 18, signal amplifier 19, demoder 20, CPU treater 21, storage comparator 22, energy disperser 23, execution unit 24, prompting loudspeaker 25, alarming horn 26, sense, its interconnected relationship is: acceptor circuit 18 is connected with antenna 17, signal amplifier 19 mutual circuit respectively by rf signal line, received signal line respectively, and acceptor circuit 18 connects and composes receiver module jointly with signal amplifier 19; Signal amplifier 19 is electrically connected with demoder 20 mutually by the amplifying signal output line; CPU treater 21 is electrically connected with shake device 27, filter network 28 of demoder 20, storage comparator 22, energy disperser 23, prompting loudspeaker 25, sense respectively mutually by shake signal wire (SW), filter network signal wire (SW) of decoded signal line, storage signal line, buffering signals line, prompting sound signal wire (SW), sense respectively; Execution unit 24 is turned with energy disperser 23, alarming horn 26, vehicle right and left respectively by buffering signals line, alerting signal line, car light display signal line, middle control open and close lock signal line, oil circuit control signal wire, circuit control signal line, actuation signal line respectively and is indicated car light, motor central lock, automobile oil circuit, automobile circuit, automobile motor to be electrically connected mutually; Filter network 28 is electrically connected with automobile service brake, arrangements for automotive doors lock, automobile ACC respectively mutually by service brake signal wire (SW), Door Lock signal wire (SW), ACC signal wire (SW) respectively; Filter circuit of pressure-stabilizing is electrically connected with the power end of automobile power source, each circuit of main frame respectively mutually by power lead; Wherein: middle control mobile phone---in the central controlled lock remote control circuitry: button 8 is by touch-switch K ₁～K ₄Direct and wiring board connects and composes; Encode circuit 7 is by IC ₁, resistance R ₁～R ₆, diode D ₁～D ₄Be electrically connected formation jointly; Modem 6 is by aerotron Q ₁, capacitor C ₁～C ₄, inductance L ₂Be electrically connected formation jointly; The long soft metal lead of 0.5M of emitting antenna 4 usefulness gets final product; Emission indicating device 9 is by resistance R ₇, light-emitting diode D ₅Be electrically connected formation jointly; Digital cell phone---in the numerical ciphers remote control circuitry: numeric keypad 15 represents 0～9 respectively by 12 touch-switch, each key of *, #, and with transistor Q ₃, R ₂₃Be electrically connected formation jointly; Number converter 14 is by the micro controller system IC ₂, resistance R ₁₀～R ₂₄Be electrically connected formation jointly; Encode circuit 13 is by IC ₃, resistance R ₉Connect and compose jointly; Modulating oscillator 12 is by transistor Q ₂, resistance R ₈, capacitor C ₅～C ₈, inductance L ₃Connect and compose jointly; Transmission circuit 11 is by the resonant tank and the L of oscillation resistance ₃, L ₄Connect and compose jointly; Emitting antenna 10 can be made of the flex lead of suitable length; Emission indicating device 16 is by D ₆Light-emitting diode, R ₂₂Connect and compose jointly, this circuit is not only as launching indicating device but also power path being provided; Execution unit 24 is by relay J D in the host circuit ₁～JD ₇Connect and compose jointly; JD ₁～JD ₃Be external relay, Control of Automobile oil pump, firing circuit and starter motor, JD ₄～JD ₇Respectively Control of Automobile about turn round lamp, alarming horn 26 and centrally controrlled locking system; Energy disperser 23 is by IC ₅, capacitor C ₁₃Connect and compose jointly; Cpu treater 21 is by micro controller system IC ₆, crystal oscillator XT, resistance R ₃₂, R ₃₃, capacitor C ₁₈～C ₂₀Connect and compose jointly; Storage comparator 22 is by integration member IC ₇, resistance R ₃₅, solid sign indicating number transfers a K switch ₁₈Connect and compose jointly; Demoder 20 is by integration member IC ₈, resistance R ₃₄Connect and compose jointly; Sense is shaken device 27 by integration member IC ₉, diode D ₁₇～D ₂₀, capacitor C ₁₀～C ₁₇, resistance R ₃₆～R ₄₇, potential device WR, piezo BNC connect and compose jointly; Filter network 28 is by diode D ₇～D ₁₀, D ₁₄～D ₁₆And capacitor C ₂₃～C ₂₅, resistance R ₂₄～R ₃₀Connect and compose jointly; Handle sending 21 identifications of cpu treater after ACC, service brake, the Door Lock signal filtering; Supply unit is by IC ₄, diode D ₁₁, D ₁₂, resistance R ₃₁, capacitor C ₂₁Connect and compose jointly; Antenna 17, acceptor circuit 18 connect into receiver module jointly with signal amplifier 19, and its schematic circuit diagram as shown in figure 10; Receiving wire 17 is made of the RF flex lead among the figure; Acceptor circuit 18 is by transistor Q ₄, Q ₅, capacitor C ₂₆～C ₃₃, resistance R ₄₈～R ₅₅, inductance L ₅～L ₇Connect and compose jointly; Signal amplifier 19 is by integration member IC ₁₀, capacitor C ₃₅, C ₃₆, resistance R ₅₆～R ₆₂Connect and compose jointly.

The simple style of work principle of this microcomputerized digital remote-control car coded lock Car Burglar Alarm is as follows: this vehicle cryptographic lock Car Burglar Alarm has been used mcu programming and digital conversion technique, realized the antitheft and starter motor of centrally controrlled locking system, oil circuit, the double anti-theft function of circuit coded lock, the single chip microcomputer programming technique that adopts increases password storage IC, adopts the digit conversion technology, is stored in numerical ciphers in the micro controller system respectively, carry out code character then relatively, determine whether to open.The transmitting frequency of two mobile phones is identical, but its coded system is different.The coded system of middle control mobile phone (also claiming the central controlled lock remote controller) is identical with the coding of common Car Burglar Alarm, and its master control is to liking the automobile centrally controrlled locking system, and its encoding amount is 3 ⁷=6561; Digital cell phone (also claiming the numerical ciphers remote controller), its radical function are to utilize 12 key positions such as 0～9 numeral, *, # to form 6 bit digital cipher control automobile oil circuits, circuit and starter motor.Even the burglar enters operator's compartment, do not know password, to take key and also can't start automobile, this is one of key distinction of the utility model and general-utility car Car Burglar Alarm, its encoding amount can reach 1,000,000 times not to be repeated; The principle of work of its main frame is: the radiofrequency signal that is received by antenna 17 is through receptor 18, and the receiver module that signal amplifier 19 is formed amplifies the back and delivers to demoder 20 decodings by output line; Signal after demoder 20 decoding identifications is delivered to singlechip CPU treater 21 by four coding line and a signal wire (SW) and is handled, handle respectively in two kinds of situation according to the data code groups after 21 processing of CPU treater, a kind of situation is the signal of control mobile phone in receiving, directly enter energy disperser 23 after treatment, control executive component 24 is made corresponding operating; Another kind of situation is the digitally encoded signal that receives digital cell phone, the code of sending into storage comparator 22 and memory stores after CPU treater 21 is handled compares, and the signal after identification relatively returns and enters 23 pairs of execution units of energy disperser after CPU treater 21 is handled and impose executive command.Key of the present utility model is the processing of the digitally encoded signal that CPU treater 21 logarithmic code mobile phones send, and everything all is to realize by mcu programming, and its signal processing flow block scheme respectively as shown in Figure 5 and Figure 6.

The utility model is compared following advantage and beneficial effect with existing general-utility car Car Burglar Alarm: (1) has the double anti-theft function of the antitheft and oil circuit of the central controlled lock of automobile, circuit, starter motor, password locking; (2) the password capacity is big, has up to a million times and does not repeat code character, strong security; (3) code character of coded lock is through cryptographic transformation, and single word code decoding, storage then to password combination, comparison, are difficult for cracking; (4) the antitheft and antitheft use of independent operation separately of coded lock of central controlled lock, mutually noninterfere; (5) electric lorry and gas-operated lock conversion using art of programming are realized by software, need only be operated by mobile phone key, need not open main frame and do hardware adjustment, and be more convenient to operate; (6) programming is advanced, and the micro controller system capacity can make full use of, and reduces hardware cost; (7) compatible big, be applicable to all kinds of vehicles, overcome the shortcoming that common Car Burglar Alarm selects the car equipment, range of use is more extensive, installs more flexible; (8) seek car and report to the police to be provided with more rationally, more compliance with environmental protection requirements reduces unnecessary noise emission; (9) cost of material cost of the present utility model and common Car Burglar Alarm remains basically stable, and the ratio of performance to price is very superior; (10) button in the utility model mobile phone combines composition with miniature touch-switch with wiring board, and the mobile phone element is used surface mount elements all, makes the mobile phone volume little, easy to carry.

Below Figure of description is further specified as follows: Fig. 1 is that this microcomputerized digital remote-control car coded lock anti-theft apparatus structure is formed and the principle of work scheme drawing; Fig. 2 is middle control mobile phone---central controlled lock remote control circuitry block scheme; Fig. 3 is a digital cell phone---digital cipher lock remote control circuitry block scheme; Fig. 4 is a microcomputerized digital remote-control car coded lock Car Burglar Alarm host circuit block scheme; Fig. 5 is the antitheft software program flow process of a central controlled lock block diagram; Fig. 6 is the antitheft software program flow process of a coded lock block diagram; Fig. 7～10th, microcomputerized digital remote-control car coded lock Car Burglar Alarm circuitry schematic diagram; Wherein: Fig. 7 is middle control mobile phone---central controlled lock remote control circuitry schematic diagram; Fig. 8 is a digital cell phone---digital cipher lock remote control circuitry schematic diagram; Fig. 9 is the utility model host circuit schematic diagram; Figure 10 is the schematic circuit diagram of the receiver module RF-2 in the host circuit schematic diagram.Among the figure: BNC is a piezo, makes inductor and uses; Y1 is the prompting loudspeaker; Y2 is an alarming horn.

Embodiment of the present utility model can be as follows: control mobile phone---casing of central controlled lock remote controller and main frame in (1), the layout design of touch-switch and connector etc., processing can be manufactured with reference to the design and the method for manufacturing of casing, touch-switch and the connector of existing car alarm fully; The casing of (2) digital cell phone---digital cipher lock remote controller can design with reference to the layout of existing micro calculator or miniature phone machine, and its button is welded direct on the pcb board to increase reliability with touch-switch; (3) press Fig. 7～9 and draw each mobile phone and host printed circuit board, and the screening components and parts carry out Installation and Debugging.The receiving center frequency of the transmission center frequency values of each mobile phone and receiver module should be consistent, as optional 330MHz with the increase remote control distance; As IC ₁Optional PT2262 type or AX5326; IC ₂Optional GAL20V8 or MM74C922; IC ₃Optional PT2262 or AX5326; IC ₄Optional 78L05 circuit of three-terminal voltage-stabilizing integrated; IC ₅Optional TD62003; IC ₆Optional PIC16C57 or MD2020; IC ₇Optional 93C46; IC ₈Optional PT2272 or AX5327; IC ₉Optional LM358 or M5223; IC ₁₀Optional LM358 or M5223; XT selects the 4.0MHz crystal oscillator for use; Q ₁, Q ₂Can select the MPSH10 transistor for use, Q ₃Optional C9013, Q ₄, Q ₅Can select obedient sheet H10 or 3EM6 or RZ5 card sheet aerotron for use; (4) by the interconnected relationship of described two mobile phones of top specification sheets and each circuit of main frame and with reference to Figure of description Fig. 2～4, Fig. 7～10 the junction circuit plate is installed then, is powered up debugging after the installation; And programme by program circuit block scheme shown in Fig. 5～6, being input into the micro controller system stored, debugging finishes, and circuit card is loaded in each casing, just can implement the utility model preferably.Should also be noted that following problems in the implementation process: 1. the button in the mobile phone combines composition with miniature touch-switch with wiring board, and is easy to carry in order to reduce volume, and the mobile phone element is all used surface mount elements; 2. the BNC among Fig. 9 can use φ 20 piezo; The prompting loudspeaker can be loaded in the main frame with small-sized active loudspeaker; Alarming horn can be with the active loudspeaker of six sounds, are loaded on appropriate location in the automobile by patch cord; 3. main frame and motor central lock, Cornering Lamp, the connection of automobile peripheral circuits such as alarming horn and oil circuit, circuit, starter motor is connected with the 6P connector is corresponding by 12P; Main frame can be fixed in shelter under the Automobile instrument when installing, and installation method and common Car Burglar Alarm are basic identical, requires the wiring must be accurately and reliably; 4. the receiver module electrical schematic diagram as shown in figure 10, all elements are all used surface mount elements and are loaded on the fritter pcb board among the figure, receiver module is directly to be welded by the slotted eye on the motherboard pcb board with being connected of motherboard, can reduce volume and increase reliability.

Claims (1)

1, a kind of microcomputerized digital remote-control car coded lock Car Burglar Alarm, it is characterized in that: it is by micro-control main frame (1), middle control mobile phone (2), digital cell phone (3) is by emission, the received code radiowave is communicated with formation, its interconnected relationship is: control the digital coding radiowave that mobile phone (2) or digital cell phone (3) send during micro-control main frame (1) receives by the reception head, amplify shaping through signal, decoding and the signal that relatively control mobile phone or digital cell phone send in the identification, and through the singlechip CPU information processing, execution unit is sent instruction, execution unit sends instruction according to main frame and makes corresponding operation, the formation microcomputerized digital remote-control car coded lock Car Burglar Alarm thereby realization micro-control main frame (1) is connected with middle control mobile phone (2) or digital cell phone (3); Simultaneously four I/O mouths that main frame can also be by micro controller system and connection lead link to each other with shake device, service brake, ACC, Door Lock of sense respectively, send and report to the police or the order of executable operations, thereby the realization main frame is to the connection of automobile corresponding component; Wherein: the circuit of middle control mobile phone---central controlled lock remote controller is by antenna (4), transmission circuit (5), modulating oscillator (6), encode circuit (7), button (8), emission indicating device (9) connects and composes jointly, and its interconnected relationship is: transmission circuit (5) is electrically connected with emitting antenna (4), emission indicating device (9), modulating oscillator (6) respectively mutually by rf signal line, choke coil, modulating oscillation signal wire (SW) respectively; Encode circuit (7) is electrically connected with button (8), modulating oscillator (6) respectively mutually by push button signalling line, code signal line respectively; The circuit of digital cell phone---numerical ciphers remote controller is by antenna (10), transmission circuit (11), modulating oscillator (12), signal encoding circuit (13), number converter (14), numeric keypad (15) and emission indicating device (16) are electrically connected formation jointly, and its interconnected relationship is: transmission circuit (11) is electrically connected with antenna (10), emission indicating device (16), modulating oscillator (12) respectively mutually by rf signal line, choke coil, modulating oscillation signal wire (SW) respectively; Signal encoding circuit (13) is electrically connected with modulating oscillator (12), number converter (14) respectively mutually by code signal line, digit conversion signal respectively; Numeric keypad (15) is electrically connected mutually by keyboard signal output line and number converter (14); The micro-control host circuit is by antenna (17), acceptor circuit (18), signal amplifier (19), demoder (20), CPU treater (21), storage comparator (22), energy disperser (23), execution unit (24), prompting loudspeaker (25), alarming horn (26), feel the device (27) that shakes, filter network (28), filter circuit of pressure-stabilizing (29) is electrically connected formation jointly, its interconnected relationship is: acceptor circuit (18) passes through rf signal line respectively, the received signal line respectively with antenna (17), signal amplifier (19) circuit mutually connects, and acceptor circuit (18) connects and composes receiver module jointly with signal amplifier (19); Signal amplifier (19) is electrically connected with demoder (20) mutually by the amplifying signal output line; CPU treater (21) is electrically connected with shake device (27), filter network (28) of demoder (20), storage comparator (22), energy disperser (23), prompting loudspeaker (25), sense respectively mutually by shake signal wire (SW), filter network signal wire (SW) of decoded signal line, storage signal line, buffering signals line, prompting sound signal wire (SW), sense respectively; Execution unit (24) is turned with energy disperser (23), alarming horn (26), vehicle right and left respectively by buffering signals line, alerting signal line, car light display signal line, middle control open and close lock signal line circuit control signal wire, circuit control signal line, actuation signal line respectively and is indicated car light, motor central lock, automobile oil circuit, automobile circuit, automobile motor to be electrically connected mutually; Filter network (28) is electrically connected with automobile service brake, arrangements for automotive doors lock, automobile ACC respectively mutually by service brake signal wire (SW), Door Lock signal wire (SW), ACC signal wire (SW) respectively; Filter circuit of pressure-stabilizing is electrically connected with the power end of automobile power source, each circuit of main frame respectively mutually by power lead.

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