CN2450029Y - Theftproof device for car - Google Patents

Abstract

The utility model relates to a theft proof device for cars, which is connected between a car battery and an engine. The utility model is characterized in that the theft proof device comprises a theft proof control circuit and a power supply cutting device, and the power supply cutting device which is connected with an engine power supply loop in series, and is provided with an insulating base, a pair of copper electrodes, a coniform sleeve cap, a screw rod, and a servo motor. The theft proof control circuit is bridged on the positive electrode and the negative electrode of the car battery, is connected with the engine power supply loop in parallel, and is provided with a detection unit, a warning unit, a theft proof and alarm unit, and a motor control unit. The operation of the power supply cutting device can be controlled by making use of the theft proof control circuit to control the broken circuit or the open circuit of the engine power supply loop, and the theft proof goal of the cars can be reached.

Description

Alarms and security systems for automobiles

The utility model relates to a kind of alarms and security systems for automobiles, particularly a kind of alarms and security systems for automobiles that has mechanical lockset and electronic type burglar alarm advantage concurrently.

Automobile has become the very vehicle of universalness now, yet also because automobile has high price and can convenient mobility, makes automobile become one of target that burglar's favorite sets about; Many steermans are for fear of liking that car is stolen, be that various anti-joyride devices are set on car, at present more common as: have on the bearing circle of car and install handle lock, or the installing crutch is locked between bearing circle and throttle (brake) pedal, also have gear lock etc. is set on gear shift lever, even still can't steering wheel rotation after making the burglar into the car in view of the above or trample throttle, incision gear and the love car that drives away; The mechanical handle lock of aforementioned this class, crutch lock or gear lock, usually all do not set up anti-theft warning (newspaper) device, so only can make stealer after installing additional can't succeed easily in the short time, yet no matter accurately more now be difficult to open or lockset that firm difficulty is ruined in that stealing is skillful, for stealing the brilliant burglar of skill, as long as have adequate time and complete outfit, desire is opened lockset or is destroyed lockset change genus and achieve one's aim easily general, be easy to go smoothly, thus its antitheft usefulness also the time troubling.

In addition, automotive electronic anti-theft device material in recent years, car alarms etc. for example, its function development is advanced by leaps and bounds and is become widely that many car owners adopt, these class car alarms are when bearing the unusual vibrations or the sound by the detecting automobile, to start anti-theft measure (for example: cut off the electricity supply) and to trigger violent alarm sound, drive away burglar, warning car owner in view of the above and reach theft-proof purpose; Yet traditional car alarms usually send the sound (for example thunder, set off firecrackers etc.) because of the unexpected seismic wave in the external world, the phenomenon of this class deficient in stability, make the car owner can produce the psychological application of " wolf has come " in the course of time, cause on the contrary alarm sound being negligent of noting and defence, even give it up long afterwards.

In view of this, the utility model is improved with deficiency in the shortcoming on antitheft at above-mentioned traditional mechanical formula lockset and electronic type burglar alarm.

Main purpose of the present utility model is to provide a kind of alarms and security systems for automobiles, can have the firm and stability characteristic (quality) of traditional mechanical formula lockset concurrently, and the susceptibility of electronic type Car Burglar Alarm and send advantage such as audio alarm, reaches best automobile burglar usefulness.

The purpose of this utility model is achieved in that

A kind of alarms and security systems for automobiles, be to connect to be arranged between automobile batteries and the engine, it is characterized in that: mainly include the power supply cutting device and can detect running condition whether unusually, and control the running of this power supply cutting device, open circuit or the theft-proofing control circuit of path with the current supply circuit of controlling this engine;

This power supply cutting device is that series connection is located in the current supply circuit of engine, includes:

One insulating base;

A pair of copper electrode is the positive and negative end that this engine current supply circuit is located in series connection respectively, and subtend be installed in this insulating base inside, reserve a spacing distance between this two copper electrode

One conical cap bag is embedded between this two copper electrode and is provided with guide groove to be communicated with this two copper electrode in this cap bag outer surface one place every interior, and is subjected to a screw that makes this cap bag can only do the upper and lower displacement of vertical direction that is fixed on this bench insulator to lead limit;

One screw rod, collocation is screwed together in running through in the axis hole of this cap bag, and the lower end axle is set the pit that is positioned at this insulating base, and the top is provided with an axis hole;

One is subjected to controlling of this theft-proofing control circuit and the servomotor that operates, and solid on this insulating base by a motor seat spiral shell, the central rotating shaft of this servomotor is fixed in the axis hole of this screw rod by axle;

This theft-proofing control circuit is that cross-over connection is arranged on the positive and negative electrode of automobile batteries, is in parallel with the current supply circuit of engine, includes:

One makes differentiation in order to the state that is connected the inductor on this theft-proofing control circuit to, and the detecting unit that makes this theft-proofing control circuit running or decommission according to this differentiation result;

One can send a gentle information warning reminds the motorist to revise the caution unit of operation mistake;

One can drive away burglar and warning car owner in order to send the huge sound under error state, and after during going through a recovery timing, stops the anti-theft alarm unit of alarm sound;

One can make this servomotor rotate to order about this screw rod rotation under error state, this cap bag is led action displacement upwards, this cap bag is disengaged between this two copper electrode, cut off the current supply circuit of this engine, and after during going through a recovery timing, make this servomotor counter-rotation again, order about this screw rod this cap bag is led the downward displacement of action, make this two copper electrode of this cap bag conducting again, the motor control unit of the power supply supply when being convenient to start engine next time.

The inductor of this detecting unit is one can hide the switch that is arranged at interior space.

Whether unusual the utility model utilize this theft-proofing control circuit detecting running condition, and control the running of this power supply cutting device, mat orders about this servomotor and rotates this screw rod, this cap bag led move displacement up or down, make this cap bag break away from or connect this two copper electrode, with opening circuit or path of the current supply circuit of controlling this engine, reach the every advantage that has mechanical lockset and electronic type Car Burglar Alarm concurrently, and the purpose of the automobile burglar of tool the best.

The utility model is simple in structure, overcome traditional mechanical formula lockset and electronic type burglar alarm shortcoming and the weak point on antitheft, it is a kind of whether unusual running condition of theft-proofing control circuit detecting of utilizing, and power supply controlling cutting device running, control the opening circuit or path of current supply circuit of this engine in view of the above, reaching the antitheft of automobile, and the tool practicality.

Further specify the technical solution of the utility model and embodiment below in conjunction with accompanying drawing.

Description of drawings:

Fig. 1 is that the utility model is connected the wiring sketch between automobile batteries and the engine;

Fig. 2 is the functional block diagram of theft-proofing control circuit of the present utility model;

Fig. 3 is that the member of power supply cutting device of the present utility model separates block diagram;

Fig. 4 be behind Fig. 3 component composition two copper electrodes at the cutaway view of on-state;

Fig. 5 is that two copper electrodes are being disconnected the cutaway view of state behind Fig. 3 component composition.

As shown in Figure 1, be preferred embodiment of the present utility model, be to connect to be arranged between automobile batteries 1 and the engine 2, comprise theft-proofing control circuit 3 and power supply cutting device 4; Wherein, this theft-proofing control circuit 3 is that cross-over connection is arranged on positive and negative electrode 11A, the 11B of automobile batteries 1, be shape in parallel with the current supply circuit of engine 2, and this power supply cutting device 4 is established in series connection in the current supply circuit of this engine 2; In view of the above, utilize the whether unusual running condition of this theft-proofing control circuit 3 detectings, and control this power supply cutting device 4 runnings, control the opening circuit or path of current supply circuit of this engine 2, reach the purpose of automobile burglar.

Shown in Fig. 3,4,5, this power supply cutting device 4 comprises an insulating base 41, a pair of copper electrode 42,43, one conical cap bag 44, a screw rod 45 and servomotor 46; Wherein, this two copper electrode the 42, the 43rd, the positive and negative end of this engine current supply circuit is located in series connection respectively, and be installed in to subtend this insulating base 41 inside, and make 42,43 of this two copper electrodes reserve a proper spacing distance, can embed in this interval to be communicated with this two copper electrode 42,43 by a conical cap bag 44 made of copper.Be provided with guide groove 441 in this cap bag 44 outer surfaces one place, and this guide groove 441 will be subjected to a limit of leading that is fixed at screw 412 on the aforementioned dielectric seat 41, make this cap bag 44 can only do the upper and lower displacement of vertical direction; In addition the axis hole inner face that runs through at this cap bag 44 is provided with screw thread 442 and can arranges in pairs or groups and be screwed together in screw rod 45.These screw rod 45 lower ends have a termination 451 than minor diameter, and the pit 413 that is positioned at insulating base 41 just can be set by axle in this termination 451, is provided with an axis hole 452 again on the top of this screw rod 45; The rotating shaft 461 of this servomotor 46 can be consolidated within this axis hole 452 by axle, and makes this screw rod 45 rotated by the driving of this servomotor 46 in view of the above.This servomotor 46 is installed on the motor seat 462, and and this motor seat 462 solid on this insulating base 41 by many screws 463 spiral shells; These servomotor 46 wiring are connected on this theft-proofing control circuit 3 again, and are subjected to the running of controlling of this theft-proofing control circuit 3.

This screw rod 45 of cap bag 44 mats of this power supply cutting device 4 lead and this guide groove 441 and screw 412 between lead limit, make this taper cap bag 44 do the upper and lower movement along with the forward and reverse rotation of this screw rod 45 and do, cause in view of the above to be communicated with between this two copper electrode 42,43 or not to be communicated with.

As shown in Figure 2, on this theft-proofing control circuit 3, has a detecting unit 31, this detecting unit 31 is to make differentiation in order to the state that is connected the inductor (figure does not show) on this theft-proofing control circuit 3 to, and make 3 runnings of this theft-proofing control circuit or decommission according to this differentiation result, and this inductor can be an easy regular tap of structure or accurate lockset (as: coded lock), in the utility model embodiment, the inductor of this detecting unit 31 is can hide the switch of the indefinite position that is arranged at interior space for one, and we will abbreviate the hidden door switch as at this.In addition, this theft-proofing control circuit 3 comprises that still the caution unit 32, that a usefulness reminds the motorist to revise operation mistake can send the anti-theft alarm unit 33 of the violent sound and the motor control unit 34 of a power supply cutting device.

When engine 2 was activated running, this theft-proofing control circuit 3 promptly was activated running simultaneously.This theft-proofing control circuit 3 at first will be differentiated the state of hidden door switch (being detecting unit 31), and when this hidden door switch was in the position of closed circuit (ON), this theft-proofing control circuit 3 promptly decommissioned.And when this hidden door switch is in the position of open circuit (OFF), this theft-proofing control circuit 3 immediately triggers 32 runnings of caution unit, send a gentle information warning and remind the motorist to revise operation mistake, this moment the motorist should be promptly in a blink (common 5 seconds) with this hidden door switch incision closed circuit (ON) position.Through after aforementioned blink, this theft-proofing control circuit 3 is differentiated the position whether this hidden door switch has been in ON once more, and when the position of switch at ON, this theft-proofing control circuit 3 promptly decommissions; And when the position of switch at OFF, immediately electric this anti-theft alarm unit 33 of triggering of this theft-proofing control circuit 3 and motor control unit 34 operate simultaneously, this anti-theft alarm unit 33 sends the huge sound and drives away burglar and warning car owner on the one hand, this motor control unit 34 promptly triggers aforementioned servomotor 46 rotations to order about this screw rod 45 rotations on the other hand, this cap bag 44 is led action displacement upwards, make this cap bag 44 from this two copper electrode 42 in view of the above, disengage between 43, formation is opened circuit, thereby cut off the current supply circuit of this engine 2, make and cut the engine, automobile can't move; Then, going through one restored during the timing after (being about 3 to 5 minutes), this anti-theft alarm unit 33 stops alarm sound, and this motor control unit 34 makes this servomotor 46 counter-rotation again, order about this screw rod 45 this cap bag 44 is led the downward displacement of action, make this two copper electrode 42,43 of these cap bag 44 conductings in view of the above again, the power supply supply when being convenient to start engine next time.

The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is according to this to any pro forma restriction of the utility model; so, all have in that identical creation spirit is following make the category that relevant any modification of the present utility model or change all must be included in the protection of the utility model intention.

In sum, power supply cutting device of the present utility model firm in structure can prevent from knocking destruction And steal the current supply circuit that connects engine, unless destroy and again change the current supply circuit of engine, otherwise the burglar Can't start the engine automobile will be driven away. The also dual usefulness of saving from damage of tool of the utility model again can allow car The main chance that the correction operating mistake is arranged causes restarting the serious of car to avoid dredging for the moment Consequence more can be promoted the degree of difficulty of the stability of theftproof performance and auto theft and the tool practicality, so meet reality With each important document of new patent, the utility model patent application is now proposed in accordance with the law.

Claims (2)

1, a kind of alarms and security systems for automobiles, be to connect to be arranged between automobile batteries and the engine, it is characterized in that: mainly include the power supply cutting device and can detect running condition whether unusually, and control the running of this power supply cutting device, open circuit or the theft-proofing control circuit of path with the current supply circuit of controlling this engine;

This power supply cutting device is that series connection is located in the current supply circuit of engine, includes:

One insulating base;

A pair of copper electrode is the positive and negative end that this engine current supply circuit is located in series connection respectively, and subtend be installed in this insulating base inside, reserve a spacing distance between this two copper electrode

One conical cap bag is embedded between this two copper electrode and is provided with guide groove to be communicated with this two copper electrode in this cap bag outer surface one place every interior, and is subjected to a screw that makes this cap bag can only do the upper and lower displacement of vertical direction that is fixed on this bench insulator to lead limit;

One screw rod, collocation is screwed together in running through in the axis hole of this cap bag, and the lower end axle is set the pit that is positioned at this insulating base, and the top is provided with an axis hole;

One is subjected to controlling of this theft-proofing control circuit and the servomotor that operates, and solid on this insulating base by a motor seat spiral shell, the central rotating shaft of this servomotor is fixed in the axis hole of this screw rod by axle;

This theft-proofing control circuit is that cross-over connection is arranged on the positive and negative electrode of automobile batteries, is in parallel with the current supply circuit of engine, includes:

One makes differentiation in order to the state that is connected the inductor on this theft-proofing control circuit to, and the detecting unit that makes this theft-proofing control circuit running or decommission according to this differentiation result;

One can send a gentle information warning reminds the motorist to revise the caution unit of operation mistake;

One can drive away burglar and warning car owner in order to send the huge sound under error state, and after during going through a recovery timing, stops the anti-theft alarm unit of alarm sound;

One can make this servomotor rotate to order about this screw rod rotation under error state, this cap bag is led action displacement upwards, this cap bag is disengaged between this two copper electrode, cut off the current supply circuit of this engine, and after during going through a recovery timing, make this servomotor counter-rotation again, order about this screw rod this cap bag is led the downward displacement of action, make this two copper electrode of this cap bag conducting again, the motor control unit of the power supply supply when being convenient to start engine next time.

2, alarms and security systems for automobiles as claimed in claim 1 is characterized in that: the inductor of this detecting unit is one can hide the switch that is arranged at interior space.

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