CN2249931Y

CN2249931Y - Sensitive transmitting anti-stealing alarm

Info

Publication number: CN2249931Y
Application number: CN 95224308
Authority: CN
Inventors: 颜振鲁
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-10-07
Filing date: 1995-10-07
Publication date: 1997-03-19
Anticipated expiration: 2005-10-07

Abstract

The utility model provides an induction type transmitting anti-theft alarm which is composed of an induction type transmitter and a receiver whose shape is similar to the shape of a BP machine. The core circuit of the induction type transmitter is that the output end of a sensor which is composed of a self-excited oscillator, or a field effect transistor and a peripheral element is connected with the input end of an inverter, and the output end of the inverter is connected with the power supply interface of the transmitter; electrical signals sent out by the induction type transmitter after induction is received by the receiver, and the receiver alarms. The utility model has the advantages of low power consumption, simple and direct circuit, economy, practicability and good anti-theft performance, and can be used for the anti-theft alarm of various motor vehicles, house doors, safes and suitcases.

Description

Induced emission formula burglar alarm

The utility model relates to a kind of burglar alarm, specifically, is exactly a kind of induced emission formula burglar alarm.

In the prior art, burglar alarm a multitude of names, as the CN2182554Y that retrieves, CN2061702U, the common deficiency that these two kinds of burglar alarms exist is: quiescent dissipation is big, as use powered battery, be not suitable under long-time prison is waited, working, and circuit is complicated, cost is high.Some is provided with warning circuit in the burglar alarm, self sends chimes of doom by stolen thing, can only play warning, scaring robber's effect like this, disguised relatively poor, found easily.

The purpose of this utility model is to provide that a kind of quiescent dissipation is low, circuit is simple, economical and practical, induced emission formula burglar alarm that theftproof performance is good.

For achieving the above object, the technical scheme that the utility model is taked is: this induced emission formula burglar alarm is made up of the receiver of induction type transmitter and likeness in form beeper, the core of induction type transmitter is to be made of inductor, phase inverter, transmitter, the output terminal of inductor links to each other with the input end of phase inverter, and the output terminal of phase inverter links to each other with the power interface of transmitter.After the F of inductor point is touched, phase inverter output high level, this moment, transmitter got electricly, began to launch electric signal, and receiver is received the signal that transmitter sends and is reported to the police.

When being used for motor vehicle such as automobile, motorcycle when this utility model, the output terminal of above-mentioned phase inverter can link to each other with transmitter, controller simultaneously.When transmitter sends signal, the firing circuit of controller stapling machine motor-car.

Induced emission formula burglar alarm by such scheme is made has following distinguishing feature:

1. transmitter is just started working to trigger pip by inductor, do not touch or when not responding to, transmitter does not have, promptly there is not power consumption, transmitter adds the quiescent dissipation that phase inverter adds inductor again and only be 0.1mA under 9V voltage, has solved transmitter technically and has been not suitable for working long hours in big this problem of current emission operating mode under some situation (as powered battery);

2. warning circuit is not set, makes circuit simple and direct.After the induction type transmitter sent signal, receiver was at a distance received signal, sends chimes of doom, and the crime scene there is no any sound, and disguise is very strong, and the robber can caught unconsciously;

3. receiver is provided with power switch, when not needing to report to the police, can turn off power switch, has solved some induction type anti-theft alarm and has had a high regard for whom to touch this shortcoming of all reporting to the police.

This induced emission formula burglar alarm can be used for motor-driven vehicle, door class, safety cabinet class and case and bag class burglar alarm, and it also can be used as a kind of induction type wireless doorbell or sensitive remote-controlled switch simultaneously.

The structural representation that Fig. 1 uses in case and bag for the utility model;

Fig. 2 is an electric functional-block diagram of the present utility model;

Fig. 3 is the circuit diagram of induction type transmitter (inductor+phase inverter+transmitter);

Fig. 4 is the circuit diagram of the induction type transmitter of connection emission and coding module;

Fig. 5 is the circuit diagram that is connected with the high-power induction type transmitter of controller;

Fig. 6 is the circuit diagram that is connected with the middle low power induced emission machine of controller;

Fig. 7 is the circuit diagram with the corresponding receiver of Fig. 3;

Fig. 8 is the circuit diagram with corresponding receiver module of Fig. 4, Fig. 6 and decoder module;

Fig. 9 is the circuit diagram of induction type transmitter (inductor+relay+transmitter);

One of available inductor circuit figure of Figure 10;

Two of the available inductor circuit figure of Figure 11;

Three of the available inductor circuit figure of Figure 12;

Four of the available inductor circuit figure of Figure 13;

Five of the available inductor circuit figure of Figure 14;

Six of the available inductor circuit figure of Figure 15.

Below in conjunction with drawings and Examples the utility model is described in further detail:

Among Fig. 1, induced emission formula burglar alarm provided by the utility model is made up of receiver 2 two large divisions of induction type transmitter 1 and likeness in form beeper.The F point of induction type transmitter 1 links to each other with the handle of case and bag by lead, and lead is hidden in the interlayer of case and bag; Receiver 2 can be carried, and which is provided with power switch, when not needing to report to the police, can turn off power switch.

Among Fig. 2, the core of induction type transmitter is to be made of inductor, phase inverter, transmitter, and the output terminal of inductor links to each other with the input end of phase inverter, and the output terminal of phase inverter links to each other with the power interface of transmitter.After the F of inductor point is touched, phase inverter output high level, this moment, transmitter got electricly, began to launch electric signal, and the receiver that owner carries is received the electric signal that transmitter sends and is sent chimes of doom.Be applied to motor vehicle as this burglar alarm, then the output terminal of phase inverter also can connect a controller, when transmitter sends electric signal, but the firing circuit of controller stapling machine motor-car.

Inductor among Fig. 3 is a kind of self-excited oscillator, and it is by triode BG ₁, resistance R ₁, R ₂, R ₃, capacitor C ₁, C ₂, C ₃, coil L ₁, L ₂And diode D forms, wherein diode D and capacitor C ₃Play the rectifying and wave-filtering effect, the output terminal of oscillator is A point and reverser IC ₁Input end link to each other reverser IC ₁And peripheral cell is formed negative circuit, the wherein output terminal of negative circuit and reverser IC ₂Power interface link to each other coil L ₃, L ₄, resistance R ₄, capacitor C ₆, C ₇And triode BG ₂The high frequency transmission circuit of forming 250MHZ--350MHZ, resistance R ₅, crystal oscillator Q and reverser IC ₂Constitute the low-frequency channel of 32768HZ for modulation usefulness.When inductor was worked, oscillator signal was through diode D and capacitor C ₃Behind the rectifying and wave-filtering, at A point output high level, again through IC ₁Anti-phase back is in B point output low level, and at this moment transmitter is not worked because having electricity, after the F point that is connected with lead is by the hand touch, the oscillator failure of oscillations, the A point is that low level, B point are high level, thereby transmitter start working, send CF signal.

Principle of work and Fig. 3 of Fig. 4 are basic identical, and different is to have connected FDD400-1 transmitter module and VD5026 coding module at the B point.The power interface of two modules is connected on the B point respectively, and when the B point was high level, two modules were started working, and 17 pin of coding module are sent coded signal into transmitter module the 5th pin, and transmitter module is penetrated signal and goes by the 8th human hair combing waste then.

Fig. 5 is in order to meet the requirement of high-power emission, to have increased resistance R at the B of foregoing circuit point ₁₀, triode BG ₃, relay J ₂And by controllable silicon SCR, relay J ₁And triode BG ₂And the firing circuit controller part of peripheral cell composition.When the B point is high level, triode BG ₃Conducting, relay J ₂The power supply of radiating circuit and coding circuit is given in adhesive, and the control utmost point of controllable silicon SCR becomes high level by original low level simultaneously, makes its conducting, triode BG ₂Base stage becomes high level by low level, makes triode BG ₂Become by original conducting and to end relay J ₁Discharge, firing circuit is cut off, the K in the firing circuit ₂Be car owner's hidden switch, be used for car owner oneself induction back switching on the ignition circuit.Automobile, motor tricycle and motorcycle that the circuit of Fig. 5 is suitable for all size model use.Transmitter module among this figure and coding module can adopt the module among Fig. 4, also can adopt other module according to operating position.

Fig. 6 is the transmitter that is used for middle low power, and its principle and Fig. 5 are basic identical.Different is to have removed the triode BG among Fig. 5 ₃, relay J ₂, resistance R ₁₀, be that the B point directly connects transmitter module and coding module at the output terminal of phase inverter.

Inductor among above-mentioned Fig. 3, Fig. 4, Fig. 5, Fig. 6 is all at BG ₁Base stage and transmitter between be connected in series capacitor C ₁With coil L ₁, with being connected in series capacitor C in emitter and power-level ₂With coil L ₂, at triode BG ₁Collector and base stage between be connected resistance R ₁And between emitter and power cathode, be connected resistance R ₂Constitute.The advantage of sort circuit is: when induction, the voltage dynamic range is big, and quiescent current is extremely low, Heat stability is good.

Fig. 7 is reception and the warning circuit corresponding with Fig. 3.After receiver is received signal, by resistance R ₈, R ₉, capacitor C ₂, C ₃, C ₄, C ₅, coil L ₁, L ₂And triode BG ₂The high frequency detecting circuit of forming is through capacitor C ₆, resistance R ₁₀And capacitor C ₇(C wherein after the filtering ₈Be high-frequency bypass capacitor), from the output of E point, pass through F again ₄Amplify, and by crystal oscillator Q ₁, resistance R ₃, R ₄, R ₅, triode BG ₁After the frequency-selecting amplification of forming, at last by F ₃Output and drive integrated circult musical film are reported to the police.

Fig. 8 is and Fig. 4, the corresponding integrated receiving circuit of Fig. 6 radiating circuit.After the transmitter of Fig. 4 or Fig. 6 sends signal, JDD400-1 receives signal by Fig. 8 receiver module, after internal circuit detection, filtering, amplification, output to the 14 pin decoding of decoding circuit,, make triode BG at last by the 17 pin output high level of decoding circuit by the 7th pin of receiver module ₁Conducting, relay J adhesive, receiving circuit begin to report to the police.

Figure 9 shows that another kind of radiating circuit, i.e. the induced emission circuit of inductor+relay+transmitter, it is with above-mentioned radiating circuit difference: directly be connected triode BG ' at the A of oscillator point ₂And relay J ', the movable contact of relay road J ' connects radiating circuit, with the phase inverter part among alternate figures 2-Fig. 6.After the F point was sensed, the A point was a low level, at this moment triode BG ' ₂Become conducting by ending, relay J ' adhesive simultaneously, radiating circuit must be established beginning work by cable.This circuit is applicable to high-power transmitter.

Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 are adoptable all kinds of inductor circuit figure, and these inductors are self-excited oscillator, and its principle is basic identical, be the F point sensed after, A point among each figure is low level, and when not responding to, the A point among each figure is high level.When selecting for use, the A point among each figure links to each other with the input end of phase inverter.

Inductor shown in Figure 15 and other available inductor are different, and it has adopted field effect transistor.Its principle of work is: when the F point was not responded to, the field effect transistor drain-source resistance was very little, made that the A point is a high level; After the F point was touched by hand, field effect transistor was by pinch off, and the A point becomes low level.During use, the A point among the figure links to each other with the input end of phase inverter.

Claims

1, a kind of induced emission formula burglar alarm of forming by induction type transmitter, receiver, the core that it is characterized in that the induction type transmitter is made of inductor, phase inverter, transmitter, wherein inductor can be made up of self-excited oscillator or field effect transistor and peripheral cell, its output terminal links to each other with the input end of phase inverter, and the output terminal of phase inverter links to each other with the power interface of transmitter.

2, induced emission formula burglar alarm according to claim 1, the output terminal that it is characterized in that above-mentioned phase inverter also can increase and connect controller.

3, induced emission formula burglar alarm according to claim 1 is characterized in that best inductor is by triode BG ₁Base stage and emitter between be connected in series capacitor C ₁, coil L ₁, between emitter and power cathode, be connected in series coil L ₂, capacitor C ₂, at triode BG ₁Collector and base stage between be connected resistance R ₁, and between emitter and power cathode, be connected resistance R ₂Constitute.

4, induced emission formula burglar alarm according to claim 1 is characterized in that above-mentioned phase inverter also can be by triode BG ' ₂And relay J ' substitute, by relay J ' movable contact connect radiating circuit.

5, induced emission formula burglar alarm according to claim 2 is characterized in that controller is by controllable silicon SCR, relay J ₁And triode BG ₂And peripheral cell is formed.