CN2225071Y

CN2225071Y - Remote controlling alarm against thieves

Info

Publication number: CN2225071Y
Application number: CN 95230193
Authority: CN
Inventors: 张国忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-01-25
Filing date: 1995-01-25
Publication date: 1996-04-17
Anticipated expiration: 2005-01-25

Abstract

The utility model relates to a remote control anti-theft alarm which is suitable for the doors of a motor vehicle or an anti-theft door. The utility model comprises a vibration sensor, a sensing circuit, an alarm circuit, a sound block, a speaker, a transmitting circuit, a receiving circuit and a control circuit. The control circuit is composed of a decoder, a delay circuit, an alert giving circuit and a sensitivity selecting circuit. When the utility model is used, the arrangement and the relief of the alert adopt the remote control, and the selection of the sensitivity also adopts the remote control. The utility model has the advantage of convenient use.

Description

Distant control anti-theft alarming device

The utility model relates to a kind of burglar alarm of remote-controlled control, is applicable to that motor vehicle antitheft is reported to the police and antitheft door is reported to the police.

Burglar alarm partly is made up of sensor, sensing circuit, warning circuit, sound equipment piece, loudspeaker etc. in the prior art, sensor adopts the vibration trigger sensor more, as disclosed a kind of vibration bump triggering type anti-theft alarming device in CN2066168U, it is adjusted in good time and is provided with cryptopart and time-delay triggering part in order to adapt to varying environment and time.Its weak point is that the cryptopart that control is reported to the police can not be implemented remote control, so the in good time adjustment of the switch of complete machine and warning sensitivity, must be in the action and could implement, and is cumbersome, uses very inconvenient.

The purpose of this utility model is to provide a kind of burglar alarm whether warning reaches the selection enforcement remote control of warning sensitivity that enters.

Technical solution of the present utility model is: comprise the distant control anti-theft alarming device of sensor, sensing circuit, warning circuit, sound equipment piece, loudspeaker, it is characterized in that also comprising:

A, the radiating circuit of forming by encoding block, carrier-frequency circuit, options button;

B, accept circuit by what oscillator stage, amplifier-inverter stage, amplification shaping stage and decoding output stage were formed;

C, the control circuit that circuit and sensitivity select circuit to form is set by code translator, delay circuit, warning, accept the signal input code translator of circuit output, signal by code translator output divides two-way, wherein one the tunnel through delay circuit and warning circuit control sensing circuit is set; Circuit control warning circuit is selected through sensitivity in another road.

Advantage of the present utility model is, warning is provided with circuit and sensitivity is provided with circuit owing to be provided with in the main circuit of alarm, and the radiating circuit by being respectively equipped with encoding block and decoding block and accept circuit and implement remote control, therefore, the people need not come to the scene that alarm is set personally, can whether be provided with warning and reach warning sensitivity enforcement control, easy to use, laborsaving saving time.Especially to more apparent its superiority of the burglar alarm of motor vehicle, outdoor because motor vehicle often places, when daytime, flow of personnel was frequent, warning must be set, when colour of sky when gradually evening or flow of personnel reduce, warning need be set; When vehicle and flow of personnel are relatively more frequent, in order to prevent wrong report, warning sensitivity is provided with lowlyer, work as the dead of night, be provided with more highly sensitively or the like, the off-premises station motor-car is implemented above-mentioned a series of controlling alarm, need not interrupt under talk, work or the recreation situation, carrying out omnibearing enforcement indoor, is very necessary and easily.

Following accompanying drawing has been described embodiment of the present utility model.

Fig. 1 is an electric functional-block diagram of the present utility model

Fig. 2 is an electrical schematic diagram of the present utility model

Fig. 3 is the utility model radiating circuit schematic diagram

Fig. 4 is the utility model receiving circuit schematic diagram

Fig. 5 is the utility model vibration transducer structural representation

Fig. 6 is the utility model telepilot outside drawing

Below in conjunction with accompanying drawing the utility model is described in detail.Present embodiment is a kind of mechanical vibration triggering type anti-theft alarming device, and the part of wherein reporting to the police is to import warning circuits 10 by the electric impulse signal that vibration transducer 8 produces by sensing circuit 7, promotes loudspeaker 13 by sound equipment piece 12 again and sends alerting signal.Sensing circuit 7 is by divider resistance R ₂, R ₃, capacitance C ₆Form with two 4069 inverter ic 5A that are connected in series and IC2E, the high level electric impulse signal that is produced by vibration transducer is by the input end of divider resistance and capacitance input inverter IC5A, through the low level signal input inverter IC2E of anti-phase output, import the input end of warning circuit by the high level signal of inverter ic 2E output.The warning circuit of present embodiment is by triode N ₁Be connected in triode N ₁The relay J of collector ₃, be connected in series in triode N ₁Two 4069 inverter ic 2F of base stage and IC3A and other peripheral cells are formed.By the high level signal of the sensing circuit output input end input warning circuit from inverter ic 2F, the high level signal of exporting from inverter ic 3A through twice anti-phase back is through diode D ₃, resistance R ₇With stabilivolt Z ₁Input triode N ₁Base stage make its conducting, impel relay J ₃Adhesive.Power supply VCC passes through relay J ₃Acoustics circuit is connected during adhesive, sends alerting signal, simultaneously by diode D9 and resistance R ₇It is sealed, make it keep alarm condition.For the control time of fire alarming is provided with timing circuit 11, it is by inverter ic 3B, capacitor C ₂, adjustable resistance R ₉, stabilivolt Z ₂Deng composition.Relay J ₃To pass through resistance R after the adhesive ₈With adjustable resistance R ₉To capacitor C ₂Charging reaches stabilivolt Z when charging causes its positive terminal voltage ₂Seek when leading to, the input end of inverter ic 3B satisfies high level, through anti-phase output low level, by diode D ₄With triode N ₁The base stage level reduce, it is ended, relay J ₃Discharge, report to the police and finish, time of fire alarming length can be passed through variable resistor R ₉Set up.

The control circuit of reporting to the police by code translator 3, delay circuit 4, alert sense circuit 6 is set and sensitivity selects circuit 9 to form, physical circuit as shown in Figure 2, wherein IC1 is 74138 code translators, warning is provided with circuit to be made up of two 4069 inverter ic 2C and IC2D that are connected in series, and the input end of inverter ic 2C passes through resistance R ₂₀Connect positive source, the output terminal of inverter ic 2D is by diode D ₁₈Be connected three output terminal Y of code translator with the input end of inverter ic 2E in the sensing circuit ₁, Y ₂, Y ₄Respectively by diode D ₁₄, D ₁₃, D ₁₂Be connected with the input end of inverter ic 2C.When code translator does not have steering order when output,, also be high level through the output terminal of twice anti-phase back IC2D, and pass through diode D because the input end of inverter ic 2C is in high level all the time ₁₈Be added to the output terminal of inverter ic 2E, make its output terminal be in low level all the time, the warning circuit fail to start is in off state.In the present embodiment, the steering order of code translator output all is a low level signal, works as Y ₁, Y ₂, Y ₄Any end in three output terminals is as Y ₁When end has low level instruction output, diode D ₁₄With conducting, make the input end of inverter ic 2C reduce to low level, through twice anti-phase after, the output terminal of inverter ic 2D becomes low level, thereby has removed original control to sensing circuit, and transducing signal can normally be exported, promptly having realized reporting to the police is provided with, and complete machine is in opening state.In like manner, work as Y ₂Or Y ₄When end had instruction output, also can realize reporting to the police was provided with.In order to improve the antijamming capability of alarm, between inverter ic 2C and IC2D, be provided with by resistance R ₄And capacitor C ₁The delay circuit of forming.The output terminal Y of code translator ₃By diode D ₆With stabilivolt Z ₁With triode N ₁Base stage connect.Y ₃The instruction of end output also is a low level signal, when instruction output, can make triode N ₁End, interrupt immediately reporting to the police.

The utility model is provided with sensitivity and selects circuit for the sensitivity of reporting to the police is controlled in good time, its structure as shown in Figure 2, capacitor C ₃, C ₄, C ₅Respectively with resistance R ₁₁, R ₁₂, R ₁₃Be connected in parallel, their end all is connected with the input end of warning circuit 10, and its other end is respectively by diode D ₁₅, D ₁₆, D ₁₇Output terminal Y with code translator 3 ₁, Y ₂, Y ₄Connect.When a certain end of code translator, as Y ₁When end has alarm command output, Y ₁The end and inverter ic 2F input end between by capacitor C ₃, resistance R ₁₁, diode D ₁₅The circuit of forming is switched on.When sensing circuit had alerting signal output, electric current passed through R ₁₇, R ₁₈To capacitor C ₃Charging, when charging voltage reaches inverter ic 2F input end high-level threshold, warning circuit work, capacitor C like this ₃Capacity will directly influence the sensitivity of alarm.Present embodiment by little, in, big three kinds of different capabilities are provided with C ₃, C ₄, C ₅Three electric capacity are respectively by the Y of code translator ₁, Y ₂, Y ₄Three output terminals are selected, and distinguish high, medium and low three class of corresponding sensitivity, thereby have realized the control of warning sensitivity.

The radiating circuit of present embodiment as shown in Figure 3.Coded datas such as IC7 is a VD5026 coding integrated circuit block among the figure, and report to the police setting and sensitivity are high, medium and low exist wherein, by A, B, C, D, five selection keys controls of.Carrier-frequency circuit is by triode N ₄And inductance L ₁, L ₂, capacitor C ₉, C ₁₀Form Deng peripheral cell, the serial delivery outlet of encoding block IC7 passes through resistance R ₂₇With triode N ₄Base stage connect.When pressing some options buttons, encoding block is from the corresponding digital string of serial delivery outlet output, and the incoming carrier circuit is through modulating digital signal from VHF to aerial pair that penetrate.Present embodiment is contained in all set of devices of radiating circuit in the housing of a water-tight, makes the pocket telepilot, and as shown in Figure 6, the A on the panel, B, C, D, are five selection keys, and the lower left corner is provided with luminous display window.

Present embodiment accept circuit as shown in Figure 4, the oscillator stage circuit comprises triode N ₅, be connected in triode N ₅Collector by inductance L ₄And capacitor C ₁₁, C ₁₂, C ₁₃The antiresonant circuit of forming, be connected in triode N ₅Emitting stage by inductance L ₃And capacitor C ₁₇Series resonant circuit and other peripheral cells formed; Amplifier-inverter stage is by triode N ₆And peripheral cell is formed; Amplify shaping stage and adopt LM393 voltage comparator ic 8; The decoding output stage adopts VD5027 decoding integrated circuit piece IC9.The command signal of sending by telepilot, after oscillator stage is accepted also demodulation, signal is sent into amplifier-inverter stage to be amplified, signal after the amplification carries out voltage ratio by amplifying the integer level, signal is reduced into the command information number that telepilot sends, and the digital signal of reduction is from the certainly serial port input end input decoding output stage of IC9 of decoding.When the clock pairing of baud rate and the decoding block of the digital signal of input and the decoding set with it were consistent, the instruction that just has correspondence was exported.The signal input code translator IC1 of the b of decoding block IC9, c, three output terminal outputs of d is used to control its Y ₁, Y ₂, Y ₄Three output terminals.The A of telepilot, B, four buttons of C, D are corresponding with four output terminals of a, b, c, d of decoding block, and type key is equal to C, D two keys, promptly are equal to simultaneously by C, D two keys, and type button is used to control the Y of code translator ₃Output terminal.

In order to improve the reliability of straighforward operation, prevent since certain obstacle slip up, the utility model also is provided with button and informs circuit 5, its structure as shown in Figure 2, by triode N ₂, 4069 inverter ic 2A, IC2B, relay J ₁Deng composition.Inverter ic 2A and IC2B are connected in series, and with output terminal and the triode N of inverter ic 2B ₂Ground level connect, the input end of inverter ic 2A is connected with the auxiliary output terminal T of decoding block IC9; Relay J ₁Be connected in triode N ₂Collector, the input end of sound equipment piece IC6 passes through relay J ₁Normal open switch be connected with power supply.Because not with lock the depositing of auxiliary output terminal T of decoding block IC9, so when receiving the effective instruction signal, the T end all will be exported high level at every turn, the high level of output is through twice anti-phase input triode N ₂Base stage, make it conducting, relay J ₁Adhesive, chimes of doom is sent in the work of sound equipment piece.Therefore, whenever send instruction by telepilot to alarm and make its when action, loudspeaker all will send the sound, thereby informs the alarm reliably working.

Present embodiment also is provided with by triode N ₃, two anti-this device IC3C that are connected in series and IC3D, relay J ₂That forms send circuit 14, and the input end of inverter ic 3C is connected with the output terminal a of decoding block IC9, the output terminal of inverter ic 3D and triode N ₃Base stage connect relay J ₂Be connected in triode N ₃Collector, electrical appliance passes through relay J ₂Normal open switch be connected with power supply VCC.As previously mentioned, the output terminal a of decoding block IC9 is controlled by the button A of remote controller, and relay J ₂Normal open switch as the power switch of alarm place electrical appliance is set, thereby the power supply of the above-mentioned electrical appliance of button A remote control that can be by telepilot.

Sensor 8 can adopt the elasticity oscillator of being made up of counterweight conducting sphere and spring to be installed on the vibration transducer that constitutes in the conductive shell.But this sensor because spring has certain rigidity, need enough strong vibration just can make its swing, so remolding sensitivity is lower, and is insensitive to slight vibration.And when vibration swing spoke degree is bigger, and the break-make number of times is few, and output electric pulse is few, is difficult for realizing the control to sensitivity.In order to improve warning sensitivity and to realize control; the utility model has also designed by conductive shell 15; be fixed on the insulating lid 18 on the housing port; the sensor that counterweight conducting sphere 16 and the non-resilient flexible circuit conductor 17 that is connected with conducting sphere are formed; conducting sphere places in the housing; flexible circuit conductor is outside insulating lid is drawn housing; and be fixed on the insulating lid; its concrete structure as shown in Figure 5; conductive shell adopts the metal cylinder cylinder shell of end sealing; its port seals sealing with rubber or plastic insulating lid, makes an electrode from the flexible circuit conductor that insulating lid is drawn, and conductive shell is made an electrode and fixedlyed connected with the main body of alarm protection.When vibration takes place with main body in housing; because housing and conducting sphere are to be in the nature contact condition; relative motion takes place immediately; comprise small beat etc. of rolling; simultaneously can send a series of power on/off pulse; not only highly sensitive; and the electric pulse of output is many; help circuit and go out different oscillation intensitys respectively, be easy to control, in order further to improve warning sensitivity; present embodiment is provided with mounting spring 19 on housing; one end of spring is fixed on the conductive shell 15, and its other end is fixed on the mount pad 20, fixedlys connected with the main body of alarm and protection by mount pad.Spring 19 has increased the instability of housing, and to having vibrated amplification, promptly very small vibration takes place main body, and stronger vibration takes place housing, thereby improves sensitivity.

The utility model comprises that with the device of all circuit outside the radiating circuit sensor all is assembled in the airtight box body, constitutes the alarm complete machine, intends can implementing burglar alarm on the main body of protection as long as box body is installed in motor vehicle or other.

Claims

1, a kind of distant control anti-theft alarming device comprises sensor (8), sensing circuit (7), warning circuit (10), sound equipment piece (12), loudspeaker (13), it is characterized in that also comprising:

A, the radiating circuit of forming by encoding block, carrier-frequency circuit, options button (1);

B, accept circuit (2) by what oscillator stage, amplifier-inverter stage, amplification shaping stage and decoding output stage were formed;

C, the control circuit that circuit (6) and sensitivity selection circuit (9) are formed is set by code translator (3), delay circuit (4), warning, accept the signal input code translator (3) of circuit (2) output, divide two-way by the code translator output signal, wherein one tunnel process delay circuit and warning are provided with circuit (6) control sensing circuit (7), and circuit (9) control warning circuit (10) is selected through sensitivity in another road.

2, remote annunciator according to claim 1, it is characterized in that described sensor (8) by conductive shell (15), be fixed on insulating lid (18), the counterweight conducting sphere (16) on the housing port and the non-resilient flexible circuit conductor (17) that is connected with conducting sphere is formed, conducting sphere places in the housing, and flexible circuit conductor is outside insulating lid is drawn housing and be fixed on the insulating lid.

3, distant control anti-theft alarming device according to claim 2 is characterized in that an end of spring (19) is fixed on the conductive shell (15), and its other end is fixed on the mount pad (20).

4, distant control anti-theft alarming device according to claim 3, it is characterized in that the structure that described sensitivity is provided with circuit (9) is: capacitor C 3, C4, C5 respectively with resistance R 11, R12, R13 and downlink connection, their end all is connected with the input end of warning circuit (10), and its other end is connected with (3) output terminal Y1, Y2, the Y4 of code translator by diode D15, D16, D17 respectively.

5, distant control anti-theft alarming device according to claim 4, it is characterized in that also being provided with the button of forming by triode N2, inverter ic 2A and IC2B, relay J 1 and inform circuit (5), inverter ic 2A and IC2B are connected in series, and the output terminal of inverter ic 2B is connected with the base stage of triode N2, the input end of inverter ic 2A is connected with the auxiliary output terminal T of decoding block IC9, relay J 1 is connected in the collector of triode N2, and the input end of sound equipment piece IC6 is connected with power supply by the normal open switch of relay J 1.

6, according to claim 1 or 2 or 3 or 4 or 5 described distant control anti-theft alarming devices, it is characterized in that also being provided with by triode N3, two inverter ic 3C that are connected in series and IC3D, relay J 2 are formed send circuit (14), the input end of inverter ic 3C is connected with the output terminal a of decoding block IC9, the output terminal of inverter ic 3D is connected with the base stage of triode N3, relay J 2 is connected in the collector of triode N3, and electrical appliance is connected with power supply by the normal open switch of relay J 2.