CN2418062Y

CN2418062Y - Puzzle lock for automobile

Info

Publication number: CN2418062Y
Application number: CN00216968U
Authority: CN
Inventors: 董海祥; 黄河; 周雁华; 王尚君; 卢伟瑾
Original assignee: XINWEI ELECTRONIC EQUIOPMENT CO SHANGHAI
Current assignee: XINWEI ELECTRONIC EQUIOPMENT CO SHANGHAI
Priority date: 2000-03-23
Filing date: 2000-03-23
Publication date: 2001-02-07
Anticipated expiration: 2010-03-23

Abstract

The utility model relates to a cipher lock for automobiles, which is characterized in that the utility model comprises an information comprehensive treatment device, an engine monitor, a cipher key recognizer, an acoustic alarm, an engine controller and a power supply convertor, wherein, the output end of the cipher key recognizer and the output end of the engine monitor are respectively connected with the input end of the information comprehensive treatment device, the engine monitor is connected with an engine of a motor vehicle in a double-way mode, and the signals through data processing of the information comprehensive treatment device respectively control the action of the engine of the motor vehicle or control the acoustic alarm to alarm. When a vehicle is stolen, the vehicle of itself extinguishes and continuously alarms for three minutes after the vehicle runs 10 seconds. The utility model has the advantages of reliable action and convenient operation.

Description

The new automobile coded lock

The utility model relates to a kind of new automobile coded lock.

Along with the continuous progress of society, the quantity of the self-propelled vehicle that people use is also in continuous increase, and still, the phenomenon that incident self-propelled vehicle is stolen is also more and more serious.At the stolen reality of self-propelled vehicle, various motor vehicle antitheft warning products arise at the historic moment.In these products: have plenty of the big iron of employing and pin bearing circle, though this mode has been made the obstacle of stealing to stealer, the self-propelled vehicle vehicle body superior with manufacturing forms strong contrast; Have plenty of employing and make Car Burglar Alarm with remote control or principle of induction, when this Car Burglar Alarm destroys self-propelled vehicle as stealer, can produce chimes of doom automatically and remind the car owner to note, but, because the relatively poor problem of anti-interference resistance of this annunciator, therefore, touched the motorcar body that this Car Burglar Alarm is housed because of carelessness if any the people, or meet and thunder, air vibration such as set off firecrackers, this Car Burglar Alarm will be clamored loudly and be cried, except that causing pollution from environmental noise, in the course of time even can produce the negative effect of " wolf has come ", the car owner is lost vigilance, thereby anti-theft feature is almost disappeared totally.

The purpose of this utility model is exactly the new automobile coded lock a kind of small-sized superior, that can discern the car owner, can report to the police, can stop motor car engine to move when self-propelled vehicle takes place by pilferage that provides for the deficiency that solves above-mentioned motor vehicle antitheft, annunciator existence.

The purpose of this utility model is achieved in that a kind of new automobile coded lock, be characterized in, comprise: informix treater, engine monitor, cipher key recognizer, acoustic alarm, engine controller and the supply convertor that above-mentioned parts working power is provided; The mouth of described cipher key recognizer is connected with the input end of informix treater; The mouth of described engine monitor is connected with the input end of informix treater, and this engine monitor also is connected with motor car engine is two-way; Described engine controller input end is connected with the mouth of informix treater, and its mouth is connected with acoustic alarm with motor car engine respectively; Signal after the informix processor data is handled comes the action of controlling machine motor vehicle engine by engine controller respectively or reports to the police by acoustic alarm.

Above-mentioned a kind of new automobile coded lock, wherein: described informix treater is made of a micro controller system.

Above-mentioned a kind of new automobile coded lock, wherein: described engine monitor is made of a miniwatt double pole triode or a MOS crystal triode and resistance capacitance thereof.

Above-mentioned a kind of new automobile coded lock, wherein: described cipher key recognizer is made of an identification contactless switch.

Above-mentioned a kind of new automobile coded lock, wherein: described engine controller is made of a transistor amplifier circuit and a connected relay or a flip-over type quartz conductor.

Because the utility model has adopted above measure, employing monitors with the driving engine of controlling machine motor-car dynamic by the informix treater that micro controller system constitutes, if the cipher key recognizer does not also recognize car owner's cipher key about ten seconds in driving engine action back, it is stolen that the informix treater is just confirmed as self-propelled vehicle, with engine off, send alerting signal simultaneously.Have easy and simple to handle, use advantage reliable, strong anti-interference performance.

Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.

Fig. 1 is each parts connection scheme drawing of the present utility model;

Fig. 2 is an electrical block diagram of the present utility model;

Fig. 3 is the informix treater electrical schematic diagram of the utility model one embodiment;

Fig. 4 is the engine monitor electrical schematic diagram of the utility model one embodiment;

Fig. 5 is the engine controller electrical schematic diagram of the utility model one embodiment.

See also accompanying drawing:

The utility model consists of the following components: parts such as informix treater 1, engine monitor 2, cipher key recognizer 3, acoustic alarm 4, supply convertor 5 and engine controller 6.The mouth of cipher key recognizer 3 is connected with the input end of informix treater 1; The mouth of engine monitor 2 is connected with the input end of informix treater 1, this engine monitor 2 and with 7 two-way connections of motor car engine; The input end of engine controller 6 is connected with the mouth of informix treater 1, and its mouth is connected with acoustic alarm 4 with motor car engine 7 respectively; Signal after the informix processor data is handled comes the action of controlling machine motor vehicle engine by engine controller respectively or reports to the police by acoustic alarm.

Wherein:

Informix treater 1 is a central control unit of the present utility model, is made of for master chip medium scale integrated circuit such as the MACH family device of AMD or the Z8 series monolithic of Zilog company etc. of special use.I/O interface 23, the 24 pin sending and receiving motivation monitoring devices 2 of this informix treater 1, its delivery port 18 is connected acoustic alarm 4 with 20 pins output composite signal, and control acoustic alarm 4 is reported to the police or is not reported to the police.From Fig. 3 as seen,

vibration mouth

2,3 pins by cond C1, C2, C3, R1 and master chip are formed a RC oscillating circuit, produce a master frequency signal, master chip is sampled to engine monitor 2 with the speed of per second more than ten time, cond C4 and C5 are decoupling capacitances, make master chip can keep stable running under dynamic behavior.Resistor R 2 is current-limiting resistances, and the 8th pin (delivery port) outgoing current of master chip is controlled in the rated range that master chip allows, guarantees that master chip is worked normally, safely to be provided with.

Engine monitor 2 is ambipolar or MOS crystal triode and resistance R by general miniwatt ₃, R ₄, R ₅, R ₆And capacitor C ₅Deng composition.Present embodiment adopts MOS crystal triode BG ₁, its base stage is connected with driving engine 7, and its emitter is connected with informix treater master chip.During work, this engine monitor is the operating state of the driving engine 7 of machines motor-car constantly, and the result data that detects is sent into

input port

23,24 pins of informix treater master chip.

Cipher key recognizer 3 is identification contactless switchs (market is on sale) of a tool " iButton ", and it is indoor to be installed in motor vehicle driving, and its output signal is connected with 15,16 pins of main informix processor chips.

Acoustic alarm 4 adopts conventional warning circuit, uses the buzzer phone or the high-power loudspeaker of high loudness, when receiving the alarm message of informix treater 1, sends chimes of doom.

Supply convertor 5 is made up of 7806 types of common universal mu balanced circuit such as Toshiba etc., and its effect is that the power supply with self-propelled vehicle becomes the direct supply that is fit to the voltage stabilizing that the utility model circuit uses, and uses so that entire circuit to be provided.

Engine controller 6 is formed by transistor amplifier circuit and at collecting electrode bonded assembly one relay or the flip-over type semiconductor devices of the aerotron of this amplifying circuit, and present embodiment is at aerotron BG ₂Collecting electrode connect a two-way silicon control S and constitute.The input end of this transistor amplifier circuit is by a resistance R ₂Be connected with 8 pin of informix treater, the mouth junctor motor vehicle engine 7 of this triac S, and by its control driving engine " work " or " stopping working ".Resistance R in this circuit ₇Be that a current-limiting resistance also plays the disturbance rejection effect; R ₁₀Be the load resistor of this amplifying circuit, R ₁₂It is current-limiting resistance.

Principle of work of the present utility model:

Preparing the driving state, self-propelled vehicle one energising, engine monitor 2 of the present utility model just will begin in a minute motor car engine is detected.Informix treater 1 sends instruction to engine controller 6 when starting timer internal, allow engine ignition work, if in the delay time that timer is set in advance, cipher key recognizer 3 recognizes car owner's cipher key, to stablize maintenance and send the instruction of " allowing engine ignition work " to engine controller 6, self-propelled vehicle as usual, cruising.

If in the delay time that timer is set in advance, informix treater 1 does not receive that cipher key recognizer 3 recognizes car owner's cipher key, informix treater 1 just sends instruction to engine controller 6, do not allow engine operation, motor car engine " is stopped working " maybe can not light a fire; And send alerting signal to acoustic alarm 4, and annunciator sends the chimes of doom of high-decibel at once, and chimes of doom will continue about 3 minutes.

If when this device sends chimes of doom, cipher key recognizer 3 recognizes car owner's cipher key, and chimes of doom will disappear at once, and informix treater 1 sends instruction to engine controller 6, allows engine ignition work, and driving is normally carried out.

The utility model is antitheft with conventional motor vehicle, alarm is compared, and has following advantage:

1, by microcomputerized control, reliable in action guarantees that the car owner in use is without fear of an attack from the rear.

2, this ripe product of electron key is used in the recognition device of this electronic circuit, because this electricity Therefore sub-key has repetition hardly by forming greater than 10,000,000,000 passwords, and the imitation that can not be decrypted.

3, easy to use, the reliability height, the password identification bit error rate is less than 0.00001, and legal car owner only need use Electron key one is pressed gently, just can conveniently start this lock, error rate less than 100,000/.

4, reasonable in design, lightly attractive in appearance, easy for installation, do not destroy the original circuit of automobile, inconspicuous.

5, recognition capability is strong, is automatically extinguishing after if vehicle is stolen, travelled for 10 seconds (in about 100 meters), And continue to report to the police three minutes; If legal car owner does not have (or forgetting) to carry out identification maneuver with electron key, can Again finishing identification maneuver with electron key behind the engine misses gets final product.

6, low price is convenient to promote.

Claims

1. a new automobile coded lock is characterized in that, comprising: informix treater, engine monitor, cipher key recognizer, acoustic alarm, engine controller and the supply convertor that above-mentioned parts working power is provided; The mouth of described cipher key recognizer is connected with the input end of informix treater; The mouth of described engine monitor is connected with the input end of informix treater, and this engine monitor also is connected with motor car engine is two-way; Described engine controller input end is connected with the mouth of informix treater, and its mouth is connected with acoustic alarm with motor car engine respectively; Signal after the informix processor data is handled comes the action of controlling machine motor vehicle engine by engine controller respectively or reports to the police by acoustic alarm.

2. a kind of new automobile coded lock according to claim 1 is characterized in that: described informix treater is made of a micro controller system.

3. a kind of new automobile coded lock according to claim 1 is characterized in that: described engine monitor is made of a miniwatt double pole triode or a MOS crystal triode and resistance capacitance thereof.

4. a kind of new automobile coded lock according to claim 1 is characterized in that: described cipher key recognizer is made of an identification contactless switch.

5. a kind of new automobile coded lock according to claim 1 is characterized in that: described engine controller is made of a transistor amplifier circuit and a connected relay or a flip-over type quartz conductor.