CN2360303Y

CN2360303Y - IC type automobile anti-theft device

Info

Publication number: CN2360303Y
Application number: CN98208143U
Authority: CN
Inventors: 洪建铨
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-15
Filing date: 1998-09-15
Publication date: 2000-01-26
Anticipated expiration: 2008-09-15

Abstract

The utility model relates to an IC identifying type automobile anti-theft device, particularly an IC identifying type automobile anti-theft device which can be used for controlling the on/off state of a circuit between a power switch of an automobile and an engine starting devices by using an identifying method, and can be used for controlling the starting of an anti-theft warning device, and thus, the purpose of automobile anti-theft can be achieved. The utility model mainly comprises a magnetic card reading device, a micro computer controller, a memory used for remembering a plurality of groups of preset passwords preset by users, a digital converter which can carry out digital logic conversion, and a magnetic card which can prerecord passwords, wherein, a magnetic card identifying device can judge the passwords in an internal storage of a magnetic card to be identifyed, if the judgment is matched with the information which is set and stored in the memory internal storage.

Description

Magnetic card distinguishing type alarms and security systems for automobiles

The utility model relates to a kind of magnetic card distinguishing type alarms and security systems for automobiles, be particularly related to a kind of method of using magnetic card to distinguish and start the automotive theft proof system device, reach theft-proof purpose with more accurate method, and then break through the too complicated or function of traditional person's anti-theft warning device and be not inconsistent practical shortcoming too merely.

The automobile burglar measure mostly is key braking or password input identifying type traditionally, the former is comparatively extensive, the latter's development then still rests on modes such as button input or key preset password, though key password wherein is comparatively convenient, difficulty has intrinsic antitheft target if suffer the people to usurp then still, therefore, if can provide a kind of easy to use free of a burden again, and can arrange in pairs or groups alternately with key and form complete anti-theft system, then will be an even more ideal design, can mend aforementioned person's deficiency and inconvenience; Electric magnetic card development in recent years rapidly, mainly be to be that it is easy to carry, property also free of a burden in the use, only, so far, mostly the electric magnetic card identification is to be applied to cash machine, the track traffic system, and be applied in identification card on the gate control system in recent years, but no matter being the magnetic card discrimination method that applies to cash machine or gate control system, mostly is the design of using the pinpoint accuracy operation program, can accurately carry out computing and only read, its confidence level, safety is that to consider be the little anti-theft system of accurate error amount, but at present because cost of manufacture is too high, adds to be difficult to widespread usage in general family or automobile burglar, allow it can't effectively be applied in the utilization of various aspects in the case, and on science and technology, do one's utmost to think hard the problem of solution for present industry.

So, this case creator foundation is magnetic card device for identifying design-calculated method experience for many years, extensively the thoughts of various utensils are used in contact, at the shortcoming on the conventional art, the purpose of this utility model is that its design provides a kind of system novel unique, and after testing, can effectively bring into play the convenience and the safety of automobile burglar really, and be able to meet the effect that complements each other of above-mentioned deduction.

The purpose of this utility model can be by following realization, a kind of magnetic card distinguishing type alarms and security systems for automobiles that utilizes of the utility model, and be to be characterised in that to comprise: a magnetic card reading machine has the ability that reads a magnetic card data or password; Quanxtizer, signal or password that the magnetic card reading machine is imported carry out the Digital Logic conversion; Memory device, in order to the prestore signal and the password of storage input, and the data of acceptance acquisition internal memory; One Central Processing Unit (CPU) reads in order to the data of controlling the magnetic card reading machine, and identification is filed, and whether matches with the magnetic card password of relatively desiring identification and the data that has been built in the memory device, and can export an action command or signal after identification is finished; One relay circuit breaker has action command or the signal of accepting Central Processing Unit (CPU), with the ability that whether is communicated with of circuit between control vehicle switch and engine starting device; Utilize said apparatus, can read the internal memory keying material of card via magnetic card, compare through Central Processing Unit (CPU) processing and the data that prestores in the memory device, according to the form the basis that whether meets of its comparison data, make Central Processing Unit (CPU) determine whether control relay circuit breaker connects the circuit between electric switch and engine starting device again.Have a magnetic card device for identifying and comprise a magnetic card reading, for the user magnetic card is sent into, one scan element in it after writing down this magnetic card password, after the signal digital conv is handled, reaches this Central Processing Unit (CPU) and does further processing.Have a siren horn device, accept the control action of Central Processing Unit (CPU).Identification magnetic card mode is to comprise: read the magnetic card password 1.; 2. be recorded in the memory device by the Digital Logic conversion; 3. carry out from this Central Processing Unit (CPU) whether comparison conforms to keying material and record material again, then export one and activate signal, cause the automobile power source conducting, otherwise promptly turn-off automobile power source or sound the alarm if conform to.

Alarms and security systems for automobiles of the present utility model be utilize the magnetic card password read and identification as the control foundation that continues of the power supply between automobile electric switch and engine starting device, and the startup identification key of anti-theft system, characteristics of the present utility model are that the car owner is when leaving car, the tradition Car Burglar Alarm will be the electric energy of storage battery in its car of consumption, usually cause undertension in the car, if do not use car in several days, the difficulty of starting after will causing, and then the time of changing expensive batteries shortens immediately, a disappearance that is to use, even radio remote controlled projector are adopted the electricity mode of penetrating that takes place frequently, password is also by intercepting scanning, and is more dangerous; So; when the utility model utilizes the magnetic card anti-joyride device to be that car does not use; can not expend any electric weight and detect the car situation; but at being subjected to the invader to destroy this system in the car or inserting the key action and sentence the outage disposal; and just only warning system is made a sound at this moment with slightly electric weight; effectively preventing illegal person to commit a crime, more can protect the safety of car, is a more economical and practical anti-theft measure and a design.

State structure of the present utility model and its feature more expressly for asking, cooperate following suitable accompanying drawing now, be described in further detail in after; As shown in the figure:

Fig. 1 is the configuration diagram of anti-theft system of the present utility model;

Fig. 2 is the pull up circuit scheme drawing of the feasible magnetic card reading device of the utility model;

Fig. 3 is an anti-theft system of the present utility model data setting flow chart of steps before use;

Fig. 4 is the action flow chart of anti-theft system of the present utility model.

See also shown in Figure 1, it is the configuration diagram of anti-theft system of the present utility model, basic framework of the present utility model as seen from the figure is to be system's control maincenter by a Central Processing Unit (CPU) 11, do the input of received signal conversion to control a quanxtizer 12, and analysis and the access of controlling a memory device 13 processing signals, one magnetic card reading machine 14 is devices that utilize the Digital Logic program to read the input magnetic stripe, this reading machine 14 still can be on pattern and is provided with one and enough advances hole or storage tank with magnetic card 20 is let-in, when magnetic card 20 and magnetic card reading machine begin to enter only reader, promptly having one scan element 141 to carry out index reads, this being read signal input digit conv 12 handles again, importing the digital conversion sign indicating number into Central Processing Unit (CPU) 11 again further processes, and with memory device 13 in the data that stores in advance compare, after comparison finishes, pass micro computer Central Processing Unit (CPU) 11 back according to the instruction action.Above-mentioned quanxtizer 12 when magnetic card machine 14 reads magnetic card 20, LED action lamp 15 also thereupon bright lamp represent quanxtizer 12 just importing the work demonstration situation of Central Processing Unit (CPU) 11.Above-mentioned memory device 13 is subjected to the control of Central Processing Unit (CPU) 11, can read the information of setting in it for Central Processing Unit (CPU) 11; Other has a relay circuit breaker 16, and it receives the control of Central Processing Unit (CPU) 11, carries out the conducting of circuit between vehicle electrical switch and engine starting device or the action of outage; And a siren horn device 17, also connecing the control of Central Processing Unit (CPU) 11, must sound the alarm in good time; And the power supply of whole anti-joyride device is that directly profit is loaded power supply with car and provided, and when utilizing magnetic card 20 input magnetic card machines 14, moves suitable switch to open the input of this power supply; Or the power supply unit 18 of preparation voluntarily itself provides.

Install vehicle of the present utility model, desire is used in the automobile, all must in the memory device 13 that is stored in anti-theft system of the present utility model that the password of oneself is filed, otherwise will be treated as non-legal use earlier through the setting program of an anti-theft system data.As shown in Figure 3, legal user must earlier change electric lock over to electric switch ON (step 31) again in antitheft magnetic card (step 32) input card reader of this creation (Fig. 1 14), treat that LED action lamp (step 33) lights voluntarily, this central processing unit 12 begins to read signal and analysis (step 34), and the result that will analyze cuts and is stored in the memory device 13, and so the setting step of data is promptly finished in correct operation.

Flow process form when anti-theft system as shown in Figure 4 uses, its principle is magnetic card machine 14 only read instruction (step 41), the message of learning is imported in the central processing unit 11, Digital Logic by quanxtizer 12 converts program data (step 42) to, and in memory device 13, read the archives material (step 43) of setting, in central processing unit 11, compare both data password difference again or match (step 44), if the password in the magnetic card 20 conforms to archives material on the memory device 13 (yes), the ON message will occur and make circuit (step 45) between its coupling electric switch and engine starting device for relay circuit breaker 16, form path and can start power supply (step 46) start a car engine by electric switch; Otherwise, if filing in advance in the password in the magnetic card 20 and the memory device 13 do not conform to or do not import magnetic card 20, the expression desire uses artificial one illegally to use, at this moment, central processing unit 11 is promptly sent and is not met operation signal, promptly starts the circuit that relay circuit breaker 17 cuts off between electric switch and engine starting device, and vehicle can't be started, and drive siren horn device 17 (steps 47), send alarm signal.

The magnetic card identification method that burglary-resisting system of the present utility model is used is because programming is also uncomplicated, more Do not need the digital translation of asking high, so that its cost can reduce is many, and can be in general family or industry In be subjected to universalness, more remove from and carry puzzlement, in addition, the advantage of the utility model maximum namely is effective Accomplish antitheft, namely after automobile is subjected to illegal person's invasion, if touch the utility model or insert its and plant key Spoon is outage at the drop of a hat, causes the effect of cannot moving, and guarantees the safety of automobile, until legal people's use Can remove, this shows, the theft preventing method that anti-theft technique of the present invention can be more traditional is effectively titter resistance more The behavior of auto theft is when meeting the important document of creating patent, so propose the application of creation patent in accordance with the law. Earnestly ask gift Quasi patent, real is that sense is prayed.

Claims

1, a kind of magnetic card distinguishing type alarms and security systems for automobiles is characterised in that to comprise:

One magnetic card reading machine has the ability that reads a magnetic card data or password; Quanxtizer, signal or password that the magnetic card reading machine is imported carry out the Digital Logic conversion; Memory device, in order to the prestore signal and the password of storage input, and the data of acceptance acquisition internal memory;

One Central Processing Unit (CPU) reads in order to the data of controlling the magnetic card reading machine, and identification is filed, and whether matches with the magnetic card password of relatively desiring identification and the data that has been built in the memory device, and can export an action command or signal after identification is finished; One relay circuit breaker has action command or the signal of accepting Central Processing Unit (CPU), with the ability that whether is communicated with of circuit between control vehicle switch and engine starting device; Utilize said apparatus, can read the internal memory keying material of card via magnetic card, compare through Central Processing Unit (CPU) processing and the data that prestores in the memory device, according to the form the basis that whether meets of its comparison data, make Central Processing Unit (CPU) determine whether control relay circuit breaker connects the circuit between electric switch and engine starting device again.

2, magnetic card distinguishing type alarms and security systems for automobiles as claimed in claim 1, it is characterized in that: have a magnetic card device for identifying and comprise a magnetic card reading, for the user magnetic card is sent into, one scan element in it, after writing down this magnetic card password, after the signal digital conv is handled, reach this Central Processing Unit (CPU) and do further processing.

3, magnetic card distinguishing type alarms and security systems for automobiles as claimed in claim 1 is characterized in that: have a siren horn device, accept the control action of Central Processing Unit (CPU).

4, magnetic card distinguishing type alarms and security systems for automobiles as claimed in claim 1, it is characterized in that: identification magnetic card mode is to comprise: read the magnetic card password 1.; 2. be recorded in the memory device by the Digital Logic conversion; 3. carry out from this Central Processing Unit (CPU) whether comparison conforms to keying material and record material again, then export one and activate signal, cause the automobile power source conducting, otherwise promptly turn-off automobile power source or sound the alarm if conform to.