CN2226001Y - Multifunctional alarm for preventing automobile from being stolen and hijacked - Google Patents

Abstract

The utility model relates to a multifunctional alarm for preventing automobiles from being stolen and hijacked, comprising an electronic cipher lock and a delaying sound alarm. The electronic cipher lock is arranged at the position of power supply of the general supply of an ignition switch to lock the high-voltage ignitor of an engine, which is used for engine extinguishment after being hijacked and alarm; thus an automobile body is not run any longer. The utility model is also provided with the electric lock of a steering wheel, and the electric lock is composed of an electric socket, a conductor cable rape, a plug, etc. The lock can be wound by the conductor rope for locking the steering wheel. The utility model has the functions of switching power, cutting off locks and alarm, and has the advantages of a plurality of functions, reliable work, low cost and convenient installation.

Description

Antitheft, the anti-warning device of kidnapping of multi-purpose vehicle(MPV)

The utility model is antitheft, the anti-warning device of kidnapping of a kind of multi-purpose vehicle(MPV).

In prior art, the automobile burglar of many electrical type, the anti-warning device of kidnapping are arranged.This class warning device generally all has coded lock and acoustic alarm, and coded lock is mainly used in the locked car ignition lock, and motor can not be started with the key of ignition lock; Anti-function of kidnapping mainly is to carry out audible alarm by time-delay switch.Though they all have certain antitheft and anti-abduction effect, improve part in addition inadequately, such as their anti-functions of kidnapping, can only send audible alarm and can not control car body and no longer continue to speed on; Their anti-theft feature is more complete, but because their integrated devices that adopt are unfavorable for cost-cutting more very much, simultaneously, also is subject to the influence of ambient temperature, and reliability is not high enough.

The purpose of this utility model provides that a kind of function is fairly perfect, with low cost, the multi-purpose vehicle(MPV) of reliable operation is antitheft, the anti-warning device of kidnapping.

Solution of the present utility model is as follows: referring to Fig. 1, it comprises an automobile ignition switch (1) and electronic password lock and an acoustic alarm that this switch is carried out locking control, and described acoustic alarm is made up of trigger circuit (5), time delay circuit (6), warning executive circuit (7) and squealer (8).Its key structure is: described electronic password lock (2) is arranged on the general supply power supply shelves A of ignition lock; Between described time delay circuit (6) and warning executive circuit (7), be connected to a cutoff executive circuit (9); Input end at warning executive circuit (7) is provided with an electric power disconnection sensor (10); Set up a bearing circle Electric lock, it by be installed in electronic socket in the crust of the device, with device in circuit bonded assembly conductor rope (3), be connected the plug (4) of this conductor cable end and be connected on the electronic password lock mouth electronic socket switch (12), be located at conductor rope cut-off sensor (11) formation of cutoff executive circuit input end, described electronic socket is by DC machine, eccentric wheel, and the retracing spring that is installed in the socket cavity in the crust of the device, the slide block that cooperates with this socket cavity inwall and slide block constitutes.

Improvement by above-mentioned key structure, make this device possess the function of lock bearing circle and the parking function after the abduction warning, thereby improved antitheft and anti-abduction performance, this device relays that adopt carry out logic control more simultaneously, make its reliable operation, cost reduces, and is not subjected to the influence of ambient temperature.Therefore, the utility model preceence is that perfect in shape and function, reliable operation, cost are low, and wiring is simple, and is easy for installation.

Describe its structure and principle of work in detail according to embodiment below.

Fig. 1, circuit block diagram of the present utility model.

Fig. 2, physical circuit figure of the present utility model

Fig. 3, bearing circle Electric lock structural representation.

Referring to Fig. 2, (1) is ignition lock, and its A shelves are general supply feeder ears, and the B shelves are motor feeder ears.In prior art, coded lock generally is arranged on the B shelves, be used for the locking motor power, and this device is that coded lock is arranged on the A shelves, because the A shelves will be vehicle current consumer and isolating high-pressure ignitor power supply, and the work of driving engine be unable to do without isolating high-pressure ignitor, thus can control the startup of driving engine and stop by the A end, thus the purpose that reaches the starting of control car body and stop.Described coded lock is made of trigger circuit (16), monostable circuit (17), output circuit (18).Described trigger circuit (16) are provided with the capacitance-resistance charging and discharging circuit (19) of a plurality of parallel connections, the charging input end in each loop is provided with a button switch (20), and wherein button switch K1 is as the input trigger switch of first charging and discharging circuit, and the A shelves of its end and ignition lock join.When K1 pressed, promptly to capacitor C 1 charging, capacitor C 1 was full of after the electricity, immediately by 1 discharge of the resistance R in the loop, therefore, press K1 after, must be in time order press second and third, triggering button K2, K3, K4 in four loops, A shelves voltage could be delivered to the input end of monostable circuit.Also be provided with error code button K9, K10, K11, the K12 of a plurality of parallel connections in trigger circuit, their end is connected to ground altogether, the other end is connected to the positive pole of tertiary circuit charging capacitor C3 altogether.When power line voltage by button K1, K2, when K3 is delivered to K3, make the positive pole of capacitor C 3 present positive voltage, if press above-mentioned any one error code key this moment, the positive pole that then can make capacitor C 3 is ground connection immediately, electric capacity discharges as early as possible, the input end of K4 presents zero level immediately, all that has been achieved is spoiled to make the positive sign indicating number of just having pressed, positive voltage can not be delivered to the input end of monostable circuit, and described output circuit (18) is made of relay J 1, button K5, latching relay J2, button K6 and the latching relay J3 of relay driver P1, band open contact.Monostable circuit (17) can be prescribed a time limit to the service time of latching relay J2, after monostable circuit is triggered, upset is from mouth 11 pin output low levels, then actuator P1 conducting, relay J 1 action, its open contact closure, send positive voltage VC1 from 5 pin, at this moment, click K5 again, then relay J 2 actions, send positive voltage from 5 pin, click K6 again, relay J 3 closures, the positive voltage of output is given current consumer on isolating high-pressure ignitor and all car, when the opening state of J2 lasts till the time that monostable circuit limits, monostable circuit overturn automatically output high level, then J1, J2 disconnects, have only J3 open-minded, its opening state is controlled by the cutoff executive circuit.Be connected to the switch circuit of electronic socket at 5 pin of relay J 2, in the time that relay J 2 is opened, can make relay J 3 open-minded by K6 earlier, and then open the electronic socket of lock bearing circle by K7.Light-emitting diode D1, D2 are respectively with power supply and output indication in the foregoing circuit.

Again referring to Fig. 2, alarm trigger circuit among described Fig. 1 (5) constitutes by triggering button K8 and latching relay J4, time delay circuit (6) is connected into by 555 time base apparatus spares and Resistor-Capacitor Unit, cutoff executive circuit (9) is made of the relay J 6 that has two way contact, and mouth 3 pin of warning and delaying circuit are succeeded electrical equipment J6 by actuator P2, and normally closed contact 4 pin of relay J 6 and 2 pin of relay J 3 join.Described warning executive circuit is made of latching relay J8, and open contact 5 pin of its control end 1 pin and relay J 6 join, and open contact end 5 pin of J8 connect squealer (8).When the abduction situation took place, the driver clicked K8, at this moment, J4 is open-minded, and gives time delay circuit by its 5 pin output positive voltage, behind the charging duration through capacitor C 6 and resistance R 11, the time base circuit upset is from 3 pin output low levels, then P2 conducting, J6 action, i.e. normally closed contact 4 pin outage, and open contact 5 pin and connect the output positive voltage, make the J3 outage, current consumer quits work on isolating high-pressure ignitor and the car, and car body is out of service; Relay J 8 actions are simultaneously connected squealer and are reported to the police.Described cut-off sensor is made of relay J 7, the disconnection of its main induction power supply positive pole, at ordinary times, its normally closed contact is always opened, in case when positive source taking place opening circuit, its normally closed contact closure, send positive voltage by 4 pin and give relay J 8, squealer is reported to the police.For J8, J7 are not under any circumstance cut off the power supply, so their 2 pin connect the exit of other positive source VC1, and this part circuit spatially separated from main body, some onboard positions are installed in addition, like this, can guarantee the normal operation of this part circuit, play the supervision effect of reporting to the police with outage.Described another cut-off sensor (11) is made of relay J 5, it is mainly used in the open circuit conditions of sensor conductor rope, 3 pin in relay J 5 are connected to a conductor rope (3), the end of rope connects and electronic socket mated plug (4), the principle of work of J5 is identical with J7, in case cut off the situation of conductor rope, J5 promptly sends positive voltage, through behind J6, the J8, make that light-emitting diode D3, D4 report to the police and sound warning indicator lamp for triggering in the squealer warning foregoing circuit.

Referring to Fig. 3, described electronic socket is by DC machine (25), eccentric wheel (26), and the retracing spring (29) that is installed in the socket cavity (27) in the crust of the device, the slide block (28) that cooperates with this socket cavity inwall and slide block constitutes.When unblanking, click motor switch K7, then the driven by motor eccentric wheel rotates, and when eccentric wheel left bayonet socket on the socket cavity, slide block was released plug (4) socket cavity and discharged plug under the effect of spring force, at this moment can untie the winding of conductor rope to bearing circle.During the lock bearing circle, the conductor rope is wrapped on the bearing circle, then with plug insertion socket, plug promotes to move behind the slide block, when the breach of plug faced toward bayonet socket, eccentric wheel entered bayonet socket automatically, middle as shown state, then plug is stuck in the socket, can not be transferred to, and bearing circle is twined by rope pin.

Claims (2)

1, antitheft, the anti-warning device of kidnapping of multi-purpose vehicle(MPV), comprise an automobile ignition switch (1) and the electronic password lock and an acoustic alarm of this switch being carried out locking control, described acoustic alarm is made up of trigger circuit (5), time delay circuit (6), warning executive circuit (7) and squealer (8), it is characterized in that:

A, described electronic password lock (2) are arranged on the general supply power supply shelves A of ignition lock;

B, between described time delay circuit (6) and warning executive circuit (7), be connected to a cutoff executive circuit (9);

C, be provided with an electric power disconnection sensor (10) at the input end of warning executive circuit (7);

D, set up a bearing circle Electric lock, it by be installed in electronic socket in the crust of the device, with device in circuit bonded assembly conductor rope (3), be connected the plug (4) of this conductor cable end and be connected on the electronic password lock mouth electronic socket switch (12), be located at conductor rope cut-off sensor (11) formation of cutoff executive circuit input end

E, described electronic socket are by DC machine (25), eccentric wheel (26), and the retracing spring (29) that is installed in the socket cavity (27) in the crust of the device, the slide block (28) that cooperates with this socket cavity inwall and slide block constitutes.

2, antitheft, the anti-warning device of kidnapping of multi-purpose vehicle(MPV) as claimed in claim 1, it is characterized in that: described coded lock is made of trigger circuit (16), monostable circuit (17), output circuit (18), described trigger circuit (16) are provided with the capacitance-resistance charging and discharging circuit (19) of a plurality of parallel connections, the charging input end in each loop is provided with a button switch (20), and also is provided with error code button K9, K10, K11, the K12 of a plurality of parallel connections in these trigger circuit.

Images