CN201196823Y

CN201196823Y - Intelligent theft-proof alarm device

Info

Publication number: CN201196823Y
Application number: CNU200820074797XU
Authority: CN
Inventors: 卜凤悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-19
Filing date: 2008-05-19
Publication date: 2009-02-18
Anticipated expiration: 2018-05-19

Abstract

The utility model discloses an intelligent anti-theft alarm, which comprises a transmitting device connected with a protected article and a receiving device, wherein the receiving device comprises a power supply and a receiving module, an identifying module and a signal response device which are orderly connected; a signal outputted by the transmitting device is outputted to the identifying module by the receiving module, the identifying module which is a singlechip controls the signal response device; and when the singlechip can not receive the signal, the singlechip controls the signal response device to make a set response. The intelligent anti-theft alarm has the advantages of simple structure, low cost and good anti-theft effect.

Description

Intelligent anti-theft alarm

Technical field

The utility model relates to a kind of burglar alarm, relates in particular to a kind of intelligent anti-theft alarm that is used to have the item to be protected of power supply.

Background technology

Present guard against theft and alarm system or device have multiple, as utilize infrared sensor, ccd image sensor and sonac or the like to report to the police.But have problems in actual use: cost height, volume are big, and inconvenience is carried; Be subject to extraneous factor and disturb, reliability is not high.In particular for the burglar alarm of the item to be protected that has power supply, form by emitter and receiving trap usually.Emitter comprises the single-chip microcomputer that links to each other with vibration transducer, and single-chip microcomputer outputs signal to transmitter module, and control was responded device and made the setting response when transmitter module was launched signal; Receiving trap comprises receiver module, identification module and the received signal response device that links to each other successively, and the signal of described emitter output outputs to identification module through receiver module, and identification module control response device is made and set response.But when identification module does not receive signal; the identification module of receiving trap can not be made identification, correspondingly responds device without any response, and therefore article are out of control after regular meeting causes burglar alarm destroyed; receiving trap can not in time be reported to the police, and causes article stolen.

The utility model content

The purpose of this utility model provides a kind of and can make protected active article intelligent anti-theft alarm in the monitoring state all the time just in order to overcome above-mentioned deficiency of the prior art.

The utility model is achieved by following technical proposals: a kind of intelligent anti-theft alarm; comprise the emitter, the receiving trap that are connected with item to be protected; wherein; described receiving trap comprises receiver module, identification module and the signal response device that links to each other successively; the signal of described emitter output outputs to identification module through receiver module; described identification module control signal is responded device; described identification module is a single-chip microcomputer; when single-chip microcomputer did not receive signal, described Single-chip Controlling signal was responded device and is made the setting response.

The model of described single-chip microcomputer is 89C2051 or 89C4051 or 89C51.

The beneficial effects of the utility model are: after alarm was destroyed, receiving trap did not receive the signal of accepting as unavoidable, and the Single-chip Controlling signal of receiving trap is responded device and made the setting response, makes controlled active item to be protected in the monitoring state all the time.The utility model is simple in structure, and cost is low, good anti-theft effect.

Description of drawings

Fig. 1 is the circuit block diagram of the utility model receiving trap.

Reference numeral: 1, receiver module, 2, identification module, 3, signal responds device, 4, power supply.

Embodiment

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

As shown in Figure 1; intelligent anti-theft alarm of the present utility model; comprise the emitter, the receiving trap that are connected with item to be protected; wherein; described receiving trap comprises power supply 4 and the receiver module 1 that links to each other successively, identification module 2 and signal response device 3; the signal of described emitter output outputs to identification module 2 through receiver module 1; described identification module 2 control signals are responded device 3; described identification module 2 is a single-chip microcomputer; when single-chip microcomputer did not receive signal, described Single-chip Controlling signal was responded device 3 and is made the setting response.

Principle of work of the present utility model:

One, the receiver module of receiving trap receives the encoded signals that contains from emitter, after receiver module is decoded to signal, output to single-chip microcomputer, single-chip microcomputer detects, discerns and drive the response device and makes corresponding response to signal, when receiver module receives the touching signal, drive the response device and make corresponding to the reaction of touching, for example: hummer sends ticktack sound or display lamp sends continuous light etc.; When receiver module receives the signal of protected object existence, drive the response device and make the reaction that exists corresponding to protected object, for example: hummer is not sounded or display lamp sends flickering light at interval etc.

Two, when receiver module does not receive the signal of protected object existence; single-chip microcomputer detects at certain time intervals to received signal; when continuous several time intervals are detected less than signal; control response device is made setting to react and is reported to the police, and for example hummer sends ear-piercing police whistle sound etc.

The single-chip microcomputer of the utility model receiving trap constantly detects, the having or not with correct of identification signal, makes item to be protected in the monitoring state all the time.

Present embodiment comprises transmitter module and receiver module two parts; item to be protected is the accumulator of electric motor car; because electromobile battery itself has power supply; the transmitter module of present embodiment is designed to passive module; transmitter module involving vibrations sensor, single-chip microcomputer, several parts of RF transmitting chip; during transmitter module work; the detection signal of vibration transducer is imported single-chip microcomputer behind biasing circuit; single-chip microcomputer is encoded to the detection signal from vibration transducer that receives, and will send by the RF transmitting chip in real time.If take place to steal the car phenomenon, vibration transducer detects vibration signal, and single-chip microcomputer sends the touching signal that electric motor car is touched by the RF transmitting chip.If the signal that vibration transducer sends is a normal signal, the signal of vibration does not promptly take place, single-chip microcomputer is also launched the signal that protected object exists by the RF transmitting chip in real time.

The receiver module of present embodiment is made of single-chip microcomputer, RF receiving chip and hummer or display lamp.The single-chip microcomputer of receiver module is in real time by the coded signal of RF receiving chip reception from transmitter module, when receiver module receives the touching signal, driving is made corresponding to the reaction of touching as the hummer of responding device or display lamp, and for example: hummer sends ticktack sound or display lamp sends continuous light etc.; When receiver module receives the signal of protected object existence, drive the response device and make the reaction that exists corresponding to protected object, for example: hummer is not sounded or display lamp sends flickering light at interval etc.When receiver module does not receive the signal of protected object existence; single-chip microcomputer detects at certain time intervals to received signal; and when continuous several time intervals are detected less than signal; control response device is made setting to react and is reported to the police, and for example hummer sends ear-piercing police whistle sound etc.

Single-chip microcomputer in the receiver module can adopt the single-chip microcomputer of 89C2051 or 89C4051 or 89C51 or other type, and RF of the present invention transmits and receives RF transmitting chip MICRF112 and the RF receiving chip MICRF211 that chip adopts MICREL company respectively.

In the present embodiment, transmitter module is parts such as involving vibrations sensor, single-chip microcomputer also, realize that the simplest embodiment of the present invention is, transmitter module only comprises the RF transmitting chip, triggers the RF transmitting chip by timer and outwards send signal in the time interval of setting.

In the present embodiment, transmitter module is designed to passive module.And when the not charged source of protected object, or charged source when being not suitable as the power supply of transmitter module, transmitter module self can be designed to source module.

Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the present utility model.

Claims

1. intelligent anti-theft alarm; comprise the emitter, the receiving trap that are connected with item to be protected; wherein; described receiving trap comprises power supply and the receiver module that links to each other successively, identification module and signal response device; the signal of described emitter output outputs to identification module through receiver module; described identification module control signal is responded device; it is characterized in that; described identification module is a single-chip microcomputer; when single-chip microcomputer did not receive signal, described Single-chip Controlling signal was responded device and is made the setting response.

2. intelligent anti-theft alarm according to claim 1 is characterized in that, the model of described single-chip microcomputer is 89C2051 or 89C4051 or 89C51.