CN2228866Y - Antihijacking alarm device for car - Google Patents

Abstract

The utility model relates to an anti-hijacking alarm device for cars. A sound alarm signal circuit composed of an alarm signal circuit of lamp light, a language integrated block and a radio transmitter WF, is additionally provided with an alarm control circuit composed of a switch K4 and a relay BK which are connected in series. As long as a drivers contacts the switch K4 arranged at concealment one time, the relay BK gets electricity; normally open contacts BK1, BK2, BK3 are sucked together so that the relay BK automatically lock; the alarm signal circuit of the lamp light and the sound alarm signal circuit are connected to warn. The sound alarm is delivered to the control centre and other vehicles from the radio transmitter and the lamp light alarm is delivered out of the hijacked car, and thus evildoers can not detect at all.

Description

The automobile anti-hijacking warning device

The utility model relates to a kind of car alarming signalling apparatus, the warning device when particularly being held as a hostage.

Vehicle is during by criminal hijack, the driver can only for self or passenger's safety according to ruffian's wish steering vehicle, the outer personnel of car can't obtain the information of being robbed let alone succour, obviously, any personnel's of being robbed calling for help behavior will cause unnecessary injures and deaths on the car.

The purpose of this utility model is a kind of car alarming signalling apparatus of design, and it can start and send wigwag and the radio signal that the ruffian can't find rapidly by the driver in the back of being robbed and call for help.

For achieving the above object, the utility model adopts following technical scheme, referring to Fig. 1, in the audible ringing signal circuit that a light warning signal circuit and language integrated package, radio transmitter WF constitute, sets up one by K switch ₄, the alarm control circuit that is composed in series of relay BK, the open contact BK of relay BK ₁And is associated in K switch ₄Upward, open contact BK ₂Be connected in the audible alarm circuit, open contact BK ₃Be connected in the light warning signal circuit.

By above scheme as seen, when taking place to kidnap, the driver only need touch the K switch that is loaded on the shelter ₄Once, it is electric that relay BK is got, its open contact BK ₁, BK ₂, BK ₃With adhesive, relay BK self-locking, light warning signal circuit and sound circuit are connected reports to the police, because to control center and other vehicles send, light warning is to be robbed outside the car, therefore, the ruffian will have no to find audible alarm by radio transmitter.

Description of drawings:

Fig. 1 electrical schematic diagram of the present utility model;

The electrical schematic diagram of Fig. 2 embodiment.

Be described further below in conjunction with embodiment of the present utility model and accompanying drawing thereof, referring to Fig. 2, it is the braking state signal display circuit that the wigwag circuit adopts prior art, and principle of work is as follows, when driver one steps on brake pedal plate, and K switch ₁Connect, when the acceleration/accel of automobile is-3≤a＜0 meter per second ²The time, the open contact SLK of acceleration pick-up ₀Closure, relay SJ ₀Must be electric, its open contact SJ _0-2, SJ _0-3Adhesive makes it self-locking, lamp XD ₁The common brake of luminous demonstration, relay SJ after brake is finished ₀Time-delay normally closed contact SJ _0-1Disconnect, thereby remove common brake signal; When-5≤a＜-3 meter per seconds ²The time, the open contact SLK of acceleration pick-up ₁Adhesive makes relay SJ ₁Must be electric, its open contact SJ _1-2, SJ _1-3, SJ _1-4Adhesive makes relay SJ respectively ₁Self-locking, signal lamp XD ₁, XD ₂Illuminated in combination shows the sudden stop state, after sudden stop is finished, and relay SJ ₁Time-delay normally closed contact SJ _1-1Disconnect, thereby remove the sudden stop signal; When-7≤a (5 meter per seconds ²The time, the open contact SLK of acceleration pick-up ₂Closure, relay SJ ₂Must be electric, its open contact SJ _2-2, S _2-3, SJ _2-4, SJ _2-5Adhesive makes relay SJ respectively ₂Self-locking, signal lamp XD ₁, XD ₂, XD ₃Illuminated in combination shows the emergency brake state, after emergency brake is finished, and relay SJ ₂Time-delay normally closed contact SJ _2-1Disconnect, thereby remove the emergency brake wigwag.When taking place to rob car, driver's touch switch K ₄Once, relay BK gets electric and its open contact of adhesive BK ₁, BK ₂, BK ₃, BK ₄, BK ₅, BK ₆, make relay BK self-locking, make language integrated package Y respectively ₂Work and by radio transmitter WF to control center and his car sends out a signal for help, relay BK self-locking, signal lamp XD ₁, XD ₂, XD ₃Illuminated in combination shows is robbed, and the police can recognize the vehicle of being robbed rapidly, backup power E according to bright this unusual feature of but not stopping of emergency brake lamp ₂With power supply E commonly used ₁And connection makes power supply reliable, for around vehicle, when its radio receiver WS receives Call for assistance, by a relay with open contact WSJ ₁Adhesive, it is electric that relay CK, electromagnet DCT are got, the normally closed contact CK of relay CK ₁Disconnect, make the interior radio cassette player SL of car quit work to remove and disturb; The action of electromagnet DCT is controlled the automobile oil circuit, and the speed of a motor vehicle is restricted, and is convenient to the police and chases.K switch ₂Be used for manually removing all Call for assistances, microphone WH and K switch ₃Be used and control center or the contact of his car.

Claims (1)

1, automobile anti-hijacking warning device is made up of the audible ringing signal circuit that a light warning signal circuit and language integrated package, a radio transmitter WF constitute, and it is characterized in that: also have one by K switch ₄, the alarm control circuit that is composed in series of relay BK, the open contact BK of relay BK ₁And is associated in K switch ₄Upward, open contact BK ₂Be connected in the audible alarm circuit, open contact BK ₃Be connected in the light warning signal circuit.

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