CN202142152U

CN202142152U - Novel antitheft apparatus

Info

Publication number: CN202142152U
Application number: CN201120225385U
Authority: CN
Inventors: 杨兴; 束立柱
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2011-06-29
Filing date: 2011-06-29
Publication date: 2012-02-08
Anticipated expiration: 2021-06-29

Abstract

The utility model relates to a novel antitheft apparatus, which belongs to the field of antitheft equipment. The novel antitheft apparatus includes a signal emission unit arranged on an object and a portable signal receiving unit. The signal emission unit includes a power supply, a DF emission module, a PT 2262 coding chip, a vibration sensor and a photoelectric sensor. The signal receiving unit includes a power supply, a DF reception module, a PT 2272 decoding chip, a one-chip microcomputer, a display screen, an alarm and a keyboard. A user can arrange a corresponding alarm mode according to the condition, three monitoring alarm modes of distance, vibration and light modes can be applied simultaneously, and thereby the object is safer. In addition, different alarm priority modes can be set to minimize mis-alarm, and the alarm accuracy is raised.

Description

A kind of novel anti-theft device

Technical field

The utility model relates to a kind of anti-theft device, is particularly suitable for luggage and follows the tracks of antitheft.

Background technology

Improving constantly of Along with people's living standard, developing rapidly of the various vehicles brought very big convenience for people's trip, but the safety problem of luggage also becomes the focus that the trip people pay close attention to, and the luggage antitheft is at home and abroad also arisen at the historic moment.Present theft-proof device for luggage all comprises a transmitter module, a receiver module and an alarm, through signal of transmitter module emission, when receiver module can not receive signal, will start warning circuit; Make its warning; To realize the antitheft effect, there is very big defective in still this alarm, mainly shows only to lean on transmitter module generating ripple; May make to transmit because the reason of surrounding environment decays to zero, receiver module will produce false alarm; And only lean on the communication between transmitter module and the receiver module, the device precision is not high, and a lot of limitation is arranged; Also have some luggage anti-theft devices to cooperate Vibration Sensor to guard against theft; But so also there is certain defective; Onboard or the luggage on the aircraft unavoidably can be along with advancing of car produces certain vibrations; Perhaps because other luggage produce vibration to the extruding of own luggage, at this moment alarm also can produce false alarm; And the alarm of current luggage anti-theft device all is to be placed on the luggage, and the thief who knows the luggage anti-theft device like this may shut the switch of warning circuit when stealing luggage, and owner is also ignorant; And current luggage anti-theft device all can not oneself be provided with safe distance, thereby has very big defective.

Certainly, be luggage incessantly, also there is above-mentioned defective in the antitheft that electric motor car, motorcycle, automobile etc. can not belongings.

Can In view of the foregoing, design, produce a kind of novel anti-theft device to overcome above-mentioned defective, becoming those skilled in the art has technical barrier to be solved.

Summary of the invention

For overcoming above-mentioned technological deficiency, the utility model provides a kind of novel anti-theft device, comprises signal transmitter unit that is arranged on the article and the signal receiving unit of carrying.

Above-mentioned signal transmitter unit comprises power supply, transmitter module, coding chip, and the every interval of transmitter module certain hour can be launched coding circuit through the high-low level coded signal of control pin; Above-mentioned signal receiving unit comprises power supply, receiver module, decoding chip and single-chip microcomputer; Receiver module can receive the signal that the signal transmitter unit sends over; And, pass to single-chip microcomputer then and read, and pick up counting through the decoding chip decoding; When single-chip microcomputer received several signals, single-chip microcomputer will calculate the distance between owner and the luggage.

Above-mentioned signal receiving unit also comprises display screen, alarm and keyboard, and single-chip microcomputer is connected with display screen, alarm and keyboard; The user can be provided with safe distance through keyboard, and display screen is used for the distance between shows signal transmitter unit and the signal receiving unit; In the time that actual range between signal transmitter unit and the signal receiving unit exceeding the safe distance of setting, single-chip microcomputer will be controlled alarm equipment alarm.

Above-mentioned signal transmitter unit comprises also whether the sensing article receive the Vibration Sensor of external force vibration and the photo switches, photo sensors that sensing luggage ambient light of living in changes; When Vibration Sensor and/or photo switches, photo sensors sense vibration and/or light when changing, can launch corresponding signal to receiver module through transmitter module.

Above-mentioned signal receiving unit also is provided with alarm control unit, and alarm control unit comprises the button whether vibroswitch button that whether button that stops alarm equipment alarm, control Vibration Sensor work, optoelectronic switch button that whether the control photo switches, photo sensors works and control respond distance.。

Above-mentioned alarm can adopt sound and light alarm and/or vibration alarming mode.

The beneficial effect of the utility model: the user can according to circumstances be provided with corresponding type of alarm, and can adopt distance, vibration, three kinds of monitoring, alarming modes of light simultaneously, makes article safer; Also can reduce false alarm, improve the accuracy of reporting to the police through different warning modes of priority is set.

Description of drawings

Fig. 1 is the surface structure synoptic diagram of the utility model;

Fig. 2 is the fundamental diagram of the utility model;

Fig. 3 is the workflow diagram of the utility model.

Embodiment

Be example with luggage below, the utility model further specified in conjunction with accompanying drawing:

As shown in Figure 1; The described anti-theft device of the utility model comprises the signal transmitter unit 1 that is placed on the luggage and is placed on user's signal receiving unit 2 two parts on one's body; Wherein, Signal transmitter unit 1 comprises power supply (not shown), DF transmitter module 11 and PT2262 coding chip 12, and DF transmitter module 11 is connected with coding chip 12; Signal receiving unit 2 comprises power supply (not shown), DF receiver module 21, PT2272 decoding chip 22, single-chip microcomputer 23, alarm 24 and display screen 25; Single-chip microcomputer 23 is connected with DF receiver module 21, PT2272 decoding chip 22, alarm 24 and display screen 25, and PT2272 decoding chip 22 is connected with DF receiver module 21.

DF transmitter module 11, DF receiver module 21 all adopt wireless communication module; For prevent wireless communication module in the process of communication because barrier former thereby make communication signal decay to zero; So utilize wireless DF transmitter module and corresponding wireless DF receiver module in this anti-theft device, DF transmitter module employing sound table resonator SAW frequency stabilization that this is wireless, frequency stability is high; Its operating voltage range 3-12V; Transmission frequency wireless DF receiver module constant basically and that the DF transmitter module is supporting need not any adjustment and just can stably receive when change in voltage, and the characteristics of this set of modules are that emissive power is bigger; Transmission range is distant, even under mal-condition, also can carry out communication.

In this anti-theft device, adopted coding chip PT2262, decoding chip PT2272, as long as press & hold always, coding chip PT2262 will transmit continuously, and 2272 chip low in energy consumption, external component is few.

Wireless DF transceiver module needs only with the PT2272 decoding chip with the PT2262 coding chip and directly is connected; Because be the own coding decoding chip; So the fine transmission range of effect is far, because making to transmit, extraneous barrier decays to zero problem with regard to having solved like this.

The signal receiving unit 2 of the said anti-theft device of the utility model also is furnished with keyboard 26.Through keyboard 26, the user can be provided with safe distance according to the environment at place.Single-chip microcomputer 23 can calculate the distance between signal transmitter unit and the signal receiving unit automatically and on display screen 25, show in real time.Distance calculating method between signal transmitter unit and the signal receiving unit is following: the coding chip 12 in the signal transmitter unit 1 is through the high-low level coding of control pin, then through DF transmitter module 11 wireless transmission signal, when DF receiver module 21 is received signal; Decode through decoding chip 22; Pass to single-chip microcomputer 23 then and read, and pick up counting, at this moment signal transmitter unit 1 continues to transmit; When single-chip microcomputer 23 receives several signals; Single-chip microcomputer 23 will calculate the distance between user and the luggage, and with the safe distance of result calculated and setting numerical value compare, if actual range is greater than setpoint distance; Single-chip microcomputer 23 will be controlled alarm equipment alarm; Send the for example audible ringing signal of " luggage exceeds safe distance, please notes ", and data are shown through display screen 25.

Yet the user understands luggage a period of time away from keyboard in some cases, such as by train the time; The user goes to time toilet, when perhaps going boiler to connect glass hot water, at this moment also possibly exceed the safe distance of setting; Alarm will be reported to the police, and in order to prevent the situation of false alarm, on signal transmitter unit 1, also is provided with the Vibration Sensor 13 and photo switches, photo sensors 14 that are connected with coding chip 12; When Vibration Sensor 13 is sensed vibration, can send alerting signal; Photo switches, photo sensors 14 senses when ambient light changes can send alerting signal.

For the false alarm that prevents to jolt and cause because of article; It is preferential that the user can be provided with safe distance through single-chip microcomputer; Even Vibration Sensor senses vibration and/or photo switches, photo sensors and senses light when changing, as long as article are in safe distance, single-chip microcomputer will be controlled alarm and not report to the police; It is preferential that vibration and/or photoelectric alarm also can be set certainly.

In order to prevent that light from brightening along with the colour of sky naturally or during natural deepening; Alarm generation false alarm; As: the described anti-theft device of the utility model has been applied in the electric motor car, when electric motor car be placed on outdoor, the false alarm that causes when preventing noon to follow light at dusk can naturally-occurring to change; The user also can through keyboard to set up in the unit interval changing value of light determine whether to report to the police; The changing value of light has exceeded setting in the unit interval, and at this moment the surrounding environment that article are described by the people for a change just needs to report to the police.

Equally, in order to prevent article normal vibration generation false alarm, the user can determine whether through the number of times of keyboard to set up unit interval internal vibration to report to the police.Such as when belongings were taken train, train wheel all will jolt through the seam crossing of two one steel rails the time, will drive article and vibrate, and this belongs to normal vibration, and single-chip microcomputer just can be controlled alarm and not report to the police; When the article vibration has surpassed the frequency of setting, explain not to be normal vibration that single-chip microcomputer will be controlled alarm equipment alarm, remind the user to check article.

In this anti-theft device, signal receiving unit 2 also comprises a controller 27.The user can be provided with whether open Vibration Sensor and photo switches, photo sensors warning through controller 27.Some user is very careful; The user want in luggage and the distance between it if greater than safe distance the time just start alarm; The user can make the not signal that transmits of respond vibration sensor, photo switches, photo sensors of single-chip microcomputer through controller so; That is to say that as long as the distance between transmitter unit and the receiving element greater than safe distance the time, alarm will be reported to the police.Certainly, the user also can only judge the state of luggage through Vibration Sensor, photo switches, photo sensors, looks user self and need be provided with and get final product.

Be that example is illustrated the utility model just above, but the utility model is not limited to above-mentioned specific embodiment with the luggage antitheft, as: the utility model also can be applicable in the antitheft of article such as electric motor car, motorcycle, automobile, also has extraordinary effect.Therefore, all any changes done based on the utility model or modification all belong to the utility model and require the scope protected.

Claims

1. a novel anti-theft device is characterized in that comprising signal transmitter unit that is arranged on the article and the signal receiving unit of carrying.

2. novel anti-theft device according to claim 1; It is characterized in that said signal transmitter unit comprises power supply, transmitter module, coding chip, the every interval of transmitter module certain hour can be launched coding circuit through the high-low level coded signal of control pin; Above-mentioned signal receiving unit comprises power supply, receiver module, decoding chip and single-chip microcomputer; Receiver module can receive the signal that the signal transmitter unit sends over; And through the decoding of PT2272 decoding chip; Pass to single-chip microcomputer then and read, single-chip microcomputer calculates the distance between owner and the luggage through signal propagation time simultaneously.

3. novel anti-theft device according to claim 2 is characterized in that said signal receiving unit also comprises display screen, alarm and keyboard, and single-chip microcomputer is connected with display screen, alarm and keyboard; The user can be provided with safe distance through keyboard, and display screen is used for the distance between shows signal transmitter unit and the signal receiving unit; In the time that the actual range between signal transmitter unit and the signal receiving unit exceeds the safe distance of setting, single-chip microcomputer will be controlled alarm equipment alarm.

4. according to claim 2 or 3 described novel anti-theft devices; It is characterized in that said signal transmitter unit comprises also whether the sensing article receive the Vibration Sensor of external force vibration and the photo switches, photo sensors that sensing luggage ambient light of living in changes; When Vibration Sensor and/or photo switches, photo sensors sense vibration and/or light when changing, can launch corresponding signal to receiver module through transmitter module.

5. novel anti-theft device according to claim 4; It is characterized in that said signal receiving unit also is provided with alarm control unit, alarm control unit comprises the button whether vibroswitch button that whether button that stops alarm equipment alarm, control Vibration Sensor work, optoelectronic switch button that whether the control photo switches, photo sensors works and control respond distance.

6. novel anti-theft device according to claim 3 is characterized in that said alarm can adopt sound and light alarm and/or vibration alarming mode.