CN2147140Y

CN2147140Y - Multi-function automobile electric theft-proof alarm device

Info

Publication number: CN2147140Y
Application number: CN 92220347
Authority: CN
Inventors: 许玉琨
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-09-24
Filing date: 1992-09-24
Publication date: 1993-11-24
Anticipated expiration: 2002-09-24

Abstract

The utility model discloses an automobile electric theft-proof alarm device with high reliability, low cost, and strong practicality. The host machine of an alarm is locked in a firm metal cabinet, and the door of the cabinet is provided with the mechanical secret code and a control lock. The driver can use the mechanical secret code and the control lock to control the working condition of the alarm device. The external connection lead wires of the point of the igniting coil of the automobile, a plurality of signal transmission wires, and a plurality of foggy wires are sealed together to difficult to identify. Besides, the utility model is provided with an emergency calling button and a delayed alarm switch. The inner part of the cabinet and the inner wall of the front cover of the automobile head are respectively provided with an oblique vibration sensor. Under the conditions of having no the key of the control lock and knowing the number of the secret code, the automobile can not be started. If the thief passes around the igniting coil, the control device of a low pressure side circuit is shorted directly, and the alarm is easy to touch to ring. The driver presses the emergency calling button or the delayed alarm switch, and the alarm can be send out and the fire can be went out immediately or subsequently. When the thief smuggles the automobile or opens the front cover of the automobile to steal the valued parts, the oblique vibration sensor are switched on, and strong alarm can be send out by an alarm circuit.

Description

Multi-function automobile electric theft-proof alarm device

The utility model relates to a kind of automobile electronic anti-theft alarm.

Existing alarming device for automobile anti-theft, the price comparison costliness that has, the function that has is not too complete, and in recent years, the stolen existing picture of automobile is very serious both at home and abroad, and car theft has become great society public hazards, has caused the very big concern of social each side.

The purpose of this utility model is intended to design a kind of practical, reliable operation, cheap multifunction automobile electronic antitheft alarm system.When the robber steals cars with various illegal means or tears the valuable part on the car steathily open or when plundering onboard; mounted in a vehicle warning device all can send strong alarm accurately; and the power supply of cut-out automobile ignition coil, reach the purpose of protecting automobile and driver safety.

The utility model comprises cabinet, the cabinet door, the door lock of switch cubicle door, the door lock key, locknut, fastening Luo bar Luo cap, mechanical cipher, control lock, the control key, pressing plate, hollow overcoat and annunciator, it is characterized in that: mechanical cipher, control lock, pressing plate, tilt and vibration sensor master cock and ignition coil circuit master cock are installed on the cupboard, pressing plate is fixed on the dead bolt of control lock, it stretches out with dead bolt or when withdrawing, can control being switched on or switched off of above-mentioned switch simultaneously, comprise battery case, the battery case cover plate, battery, the switch circuit that contains alarm relay and delayed alarm relay, contain power tube, the warning circuit of sound sheet and loud speaker, the signal relief switch is locked in the cabinet by door lock at interior annunciator main frame part and tilt and vibration sensor, this tilt and vibration sensor can be a mercury contact switch, one normally closed contact of delayed alarm relay 11 is serially connected with in the break signal transmission line circuit, its open contact and delayed alarm switch in parallel are at power end, one normally closed contact of alarm relay and ignition coil circuit master cock are serially connected in the low tension loop of automobile ignition coil, tilt and vibration sensor and tilt and vibration sensor master cock are serially connected with between short-circuit signal transmission line and the signal transmission concentration line, the short-circuit signal transmission line, the break signal transmission line, signal transmission concentration line, synthetic one big strand of puzzled line of mystery and high-tension coil low pressure side external lead wire, its end can place in the hollow overcoat.Press the delayed alarm switch, can disconnect the delayed alarm relay normally closed contact that is connected in the break signal transmission line loop, cause transistor switching circuit time-delay conducting, make the alarm relay action, its open contact is connected warning circuit, touch acoustic warning, normally closed contact cut-off point fire coil lower-voltage circuit makes automobile flameout.At no control lock key with do not know under the situation of mechanical cipher numbering, because of string in the high-tension coil low tension loop has an ignition coil circuit master cock by mechanical cipher and control lock control, at ordinary times, it is open circuited, therefore, automobile can not be realized igniting and start.When mounted, high-tension coil and the external lead wire of external lead wire on automobile that transmits concentration line, high-tension coil low pressure side because of the puzzled line of mystery, short-circuit signal transmission line, break signal transmission line, signal is encapsulated in the hollow overcoat by the very strong insulating packing of viscosity, it is beyond recognition, as long as above-mentioned signal transmssion line is cut off or short circuit, will touch acoustic warning.Even the robber has connected high-tension coil by chance, started automobile, because the vibration that running car occurs, must cause tilt and vibration sensor to connect short-circuit signal transmission line and signal transmission concentration line, make the transistor switching circuit conducting, the alarm relay action, its contact is connected warning circuit respectively, point of cutoff fire coil low pressure side power supply makes it send strong alarm and forces automobile flameout.

In order in time to send an SOS when being plundered, the utility model is provided with the distress call button, and this button is attempted by between short-circuit signal transmission line and the signal transmission concentration line.

For strengthening the warning effect, can outside railway carriage, set up loud speaker, it is contained in the protecgulum of headstock.Be positioned at the situation of headstock at big valuable part of automobile, tear open for preventing that parts valuable on the car are stolen, on headstock protecgulum inwall tilt and vibration sensor has been installed, it is in parallel with the tilt and vibration sensor in being contained in cabinet, and it can be a mercury contact switch.

Be fuzzy sight line of robbing the car criminal, can in car, the relevant position be installed by accent light, it with connect the automobile power source two ends after an open contact of alarm relay is connected.

The utility model can be set up automobile ignition coil, uses the gland sealed operation so that save in the erecting stage.

Below in conjunction with accompanying drawing the utility model is described in detail:

Fig. 1: the utility model electrical schematic diagram.

Fig. 2: the utility model structural representation.

Fig. 3: the magnetic switch constructional drawing that can replace placing the tilt and vibration sensor on the automobile protecgulum inwall.

Sequence number is as follows among the figure:

1,

battery

2,23, loud speaker 3, sound sheet 4, silicon control 5,

alarm relay

6,7, tilt and vibration sensor 8, break signal transmission line 9, short-circuit signal transmission line 10, signal transmission concentration line 11, delayed alarm relay 12, pressing plate 13, control lock 14, control key 15, the mystery line 16 of deluding, mechanical cipher 17, ignition key 18, ignition lock 19, hollow overcoat 20, high-tension coil 21, automobile accumulate pond 22, accent light 24, locknut 25, battery case cover plate 26, cabinet 27, battery case 28, vocal hole 29, cabinet door 30, fastening Luo bar Luo cap 31, bracing frame 32, door lock 33, door lock key 34, magnet 35, dry-reed tube K ₁, tilt and vibration sensor master cock K ₂, distress call button K ₃, alarm relay open contact K ₄, the signal relief K switch ₅, the delayed alarm K switch ₆, delayed alarm relay self holding contact K ₇, delayed alarm relay normally closed contact K ₈, ignition coil circuit master cock K ₉, alarm relay normally closed contact K ₁₀, the ignition lock K switch ₁₁, the alarm relay open contact.

During car just commonly used, first as prescribed rotates to the tram with mechanical cipher 16, and each rotating disk breach of mechanical cipher is overlapped, and with control lock key 14 turn control lock 13, allows dead bolt stretch out, and is fixed on pressing plate 12 on the dead bolt with tilt and vibration sensor master cock K ₁With ignition coil circuit master cock K ₈Compress, the former is disconnected, latter's closure is used ignition key 17 turn ignition locks 18 again, makes the ignition lock K switch ₁₀Closure, the low voltage circuit of cut-in point fire coil 20, automobile just can be realized ignition trigger.In automobile normal running, because short-circuit signal transmission line 9 and signal transmission concentration line 10 are tilted vibration sensor master cock K ₁Disconnect, also connect all the time between break signal transmission line 8 and the signal transmission concentration line 10, therefore, alarm relay 5 is failure to actuate, and annunciator does not ring, high-tension coil energising normal ignition.

During parking, allow the warning device on the car be on the alert as need, as long as turn control key 14 makes the dead bolt withdrawal of control lock 13, the turn mechanical cipher 16 again, and its rotating disk breach is not overlapped, because of the withdrawal of control dead bolt, tilt and vibration sensor master cock K ₁With ignition coil circuit master cock K ₈Unclamped by pressing plate 12, the former is connected, the latter disconnects, because high-tension coil low pressure side loop disconnects, can not realize igniting, and therefore, the robber can't start automobile.To get around the master cock of high-tension coil low tension loop as the robber, attempt direct cut-in point fire coil 20, because of the external pig-tail wire of high-tension coil 20 will be passed through cabinet 26, and mix with short circuit, break

signal transmission line

8,9 and signal transmission concentration line 10 and by the some puzzled lines 15 of mystery that are connected in parallel on the short-circuit signal transmission line 9, its termination is encapsulated in the hollow overcoat 19 by the extremely strong insulating packing of viscosity, be beyond recognition, as long as arbitrary puzzled line 15 of mystery and signal transmission concentration line 10 on the misconnection, will trigger silicon control 4 conductings, make alarm relay 5 actions.Even the robber has connected the loop of high-tension coil 20 low pressure sides by chance, started automobile, the vibration during owing to running car or the effect of acceleration/accel can cause tilt and vibration sensor 6 to produce and connect, trigger silicon control 4 conductings, make alarm relay 5 actions.For preventing to tear open steathily the valuable parts in the automobile protecgulum, on automobile protecgulum inwall, tilt and vibration sensor 7 has been installed, it can be a mercury contact switch, tilt and

vibration sensor

6 and 7 is parallel with one another.Were it not for the key of grasping control lock and the numbering of not knowing mechanical cipher, the protecgulum as long as a dozen are driven, tilt and vibration sensor 7 will produce and connect, and trigger silicon control 4, make alarm relay 5 actions.For strengthening the warning effect, can outside railway carriage, set up loud speaker 23, an external connection of this loud speaker connects the signal relief K switch ₄One end, another root external connection meets transistor BG ₃Collecting electrode.Get off when the robber forces chaufeur, attempt to seize by force by force automobile, chaufeur is before getting off, as long as touch the delayed alarm K switch in shelter ₅, delayed alarm relay 11 action of just switching on, delayed alarm relay self holding contact K ₆Self-insurance, delayed alarm relay normally closed contact K ₇Disconnect, cut off break signal transmission line 8.Because of aerotron BG ₁The time-lag action of electric capacity makes silicon control 4 time-delay conductings between the emitter-base bandgap grading and the silicon control 4 control utmost points, realizes alarm relay 5 actions.When being plundered suddenly, as long as click distress call button K ₂, will trigger silicon control 4 conductings, make alarm relay 5 energising actions.

That above-mentioned a kind of situation no matter occurred, all can make the short-circuit signal transmission line of warning circuit connect or make the disconnection of break signal transmission line, 4 conductings of triggering silicon control make alarm relay 5 energising actions.When this relay power action, its alarm relay open contact K ₃Connect warning circuit, make it send strong and alarm that continue; Alarm relay open contact K ₁₁Connect accent light 22 power supplys, make it penetrate high light; Alarm relay normally closed contact K ₉Cut off the automobile ignition coil circuit, cause ignition system flame-out, can't start automobile.

During installation, with the Luo bar of fastening Luo bar Luo cap 30 wherein an end be welded in relevant position in the car, open cabinet door 29 again, cabinet 26 is onboard fastening from the inside with the Luo cap, make it not to be subject to destruction, also can't move.

Tilt and vibration sensor 7 of the present utility model also can replace with the magnetic switch among Fig. 3.Magnetic switch 34 and dry-reed tube 35 are separately fixed on automobile protecgulum inwall and the car body, make it corresponding, dry-reed tube 35 is in parallel with tilt and vibration sensor 6.

The utlity model has the characteristics such as design is unique, practical, reliable operation, cost is low, technology is simple.

Claims

1, multifunction automobile electronic antitheft alarm system, comprise door lock 32, door lock key 33, locknut 24, fastening Luo bar Luo cap 30, mechanical cipher 16, control lock 13, control key 14, pressing plate 12, hollow overcoat 19 and the annunciator of cabinet 26, cabinet door 29, switch cubicle door, it is characterized in that: mechanical cipher 16, control lock 13, pressing plate 12, tilt and vibration sensor master cock K ₁With ignition coil circuit master cock K ₃Be installed on the cupboard, pressing plate 12 is fixed on the dead bolt of control lock 13, it stretches out with dead bolt or when withdrawing, can control being switched on or switched off of above-mentioned switch simultaneously, comprise battery case 27, battery case cover plate 25, battery 1, contain alarm relay 5 and delayed alarm relay 11 switch circuit, contain power tube BG ₂, sound sheet 3 and loud speaker 2 warning circuit, signal relief K switch ₄Be locked in the cabinet by door lock 32 at interior annunciator main frame part and tilt and vibration sensor 6, this tilt and vibration sensor 6 can be a mercury contact switch, a normally closed contact K of delayed alarm relay 11 ₇Be serially connected with in the break signal transmission line circuit its open contact K ₆With the delayed alarm K switch ₅Be connected in parallel on power end, a normally closed contact K of alarm relay 5 ₉With ignition coil circuit master cock K ₃Be serially connected in the low tension loop of automobile ignition coil 20 tilt and vibration sensor 6 and tilt and vibration sensor master cock K ₁Be serially connected with between short-circuit signal transmission line 9 and the signal transmission concentration line 10, short-circuit signal transmission line 9, break signal transmission line 8, signal transmission concentration line 10, puzzled line 15 of mystery and synthetic one big strand of high-tension coil low pressure side external lead wire, its end can place in the hollow overcoat 29.

2, multifunction automobile electronic antitheft alarm system as claimed in claim 1, it is characterized in that: set up and to be fixed on the loud speaker 23 in the automobile protecgulum and can be fixed on tilt and vibration sensor 7 on the automobile protecgulum inwall, this sensor can be a mercury contact switch, tilt and vibration sensor 6,7 is parallel with one another, and an external connection of loud speaker 23 connects the signal relief K switch ₄One end, another root external connection meets transistor BG ₄Collecting electrode.

3, multifunction automobile electronic antitheft alarm system as claimed in claim 1 is characterized in that: set up distress call button K ₂, this is often opened the button external connection and is connected between short-circuit signal transmission line 9 and the signal transmission concentration line 10.

4, multifunction automobile electronic antitheft alarm system as claimed in claim 1 is characterized in that: set up accent light 22, an open contact K of it and alarm relay 5 ₁₁After the series connection, its two ends external connection connects the automobile power source both positive and negative polarity respectively.

5, multifunction automobile electronic antitheft alarm system as claimed in claim 1 is characterized in that: set up automobile ignition coil 20, high-tension coil 20 is placed in the hollow overcoat 19, and sealed with the strong insulating packing of viscosity.

6, multifunction automobile electronic antitheft alarm system as claimed in claim 2 is characterized in that: set up distress call button K ₂, this is often opened the button external connection and is connected between short-circuit signal transmission line 9 and the signal transmission concentration line 10.

7, multifunction automobile electronic antitheft alarm system as claimed in claim 2 is characterized in that: set up accent light 22, an open contact K of it and alarm relay 5 ₁₁After the series connection, its two ends external connection connects the both positive and negative polarity of automobile power source respectively.

8, multifunction automobile electronic antitheft alarm system as claimed in claim 2 is characterized in that: set up automobile ignition coil 20, this high-tension coil is placed in the hollow overcoat 19, and sealed with the strong insulating packing of viscosity.

9, multifunction automobile electronic antitheft alarm system as claimed in claim 3 is characterized in that: set up accent light 22, it is with after an open contact K11 of alarm relay 5 connects, and its two ends external connection connects the automobile power source both positive and negative polarity respectively.

10, multifunction automobile electronic antitheft alarm system as claimed in claim 3 is characterized in that: set up automobile ignition coil 20, this high-tension coil is placed in the hollow overcoat 19, and sealed with the strong insulating packing of viscosity.

11, multifunction automobile electronic antitheft alarm system as claimed in claim 4 is characterized in that: set up automobile ignition coil 20, this high-tension coil is placed in the hollow overcoat 19, and sealed with the strong insulating packing of viscosity.

12, multifunction automobile electronic antitheft alarm system as claimed in claim 2, it is characterized in that: described tilt and vibration sensor 7 can replace with magnetic switch, magnet 34 and dry-reed tube 35 are separately fixed on automobile protecgulum inwall and the car body, make it corresponding, dry-reed tube 35 is in parallel with tilt and vibration sensor 6.