CN2043837U

CN2043837U - Theft-proof cases and bags with photoelectric alarm

Info

Publication number: CN2043837U
Application number: CN 88201823
Authority: CN
Inventors: 刘云; 张锋
Original assignee: GUILIN LEATHER FACTORY
Current assignee: GUILIN LEATHER FACTORY
Priority date: 1988-03-21
Filing date: 1988-03-21
Publication date: 1989-09-06

Abstract

An electronic photoelectric alarm composed of a control switch circuit, a blocking oscillator, an audio amplifier, a light display circuit, etc.,. is installed in a body of a case or a bag made of materials with higher strength and better anti-cutting performance, so the case or the bag has the function of sending out the alarm sound and flash signals continuously when moved, opened and robbed by thieves. The electronic photoelectric alarm not only can create bigger fear to criminals mentally, but also can report the position of the case or the bag in time.

Description

Theft-proof cases and bags with photoelectric alarm

The utility model discloses a kind of electronic acoustooptic warning device that is equipped with,, just can continue to send the antitheft case and bag of sound and light alarm of the sound and flashing signal warning in case meet when stealing or being plundered.

Though the antitheft case and bag of Chu Shouing are varied in the market, yet it is few, general to be suitable for the person, and its performance is all comparatively single, and security and reliability are also not ideal enough.The antitheft case and bag of a kind of as everyone knows induction type, its alarm response must be at human body during apart from case and bag 5cm, just the induction by human body triggers warning, so make the applicable situation of this antitheft leather trunk very limited, especially should not middlely in public places use, what People are hurrying to and fro, must cause its warning device to send alarm signal through constant error; Also once saw and introduced a kind of " multifunctional burglary-resistant case and bag ", its circuit diagram such as accompanying drawing 5.

As seen from the figure, only three kinds of anti-steamed sandwiches, anti-bag, Opennig-proof zipper, in fact, anti-other people function of bag theft wherein is reliable inadequately: this function mainly is to realize by the normal open switch (2) shown in the figure to its function.Work for ease of switch (2), just switch (2) the machine driving body of switch (2) interlock (or with) must be installed on the handle (handgrip) of case and bag, this case and bag as commodity after selling on the market, the thief just can recognize the position of the switch of wherein triggering warning at an easy rate, only otherwise touch this switch, just case and bag can be stolen.

The purpose of this utility model is for providing a kind of as when being moved, unpack, steal by other people or being plundered, just sustainablely send alarm sound and flashing signal warning, non-owner shows up, the sound and light alarm antitheft case and bag of alarm signal with regard to not stopping.

The utility model is that (in the case and bag made from the ABS engineering plastics) install the electronic acoustooptic warning device in higher, the anti-cutting performance of the intensity case and bag casing that material is made preferably.In this electronic acoustooptic warning device, be provided with a balance and move trigger switch, when case and bag kept flat, in case carried by the people, this switch just was switched on and reports to the police; Other is provided with the trigger switch of unpacking by force, and when if other people pried open case lid by force, this switch just worked, and connected circuit alarm; Also be provided with a safety belt and extract and cut off trigger switch, owner mentions case and bag, and safety belt is drawn on the wrist of oneself, and when other people plundered, safety belt must be pulled out, thereby switch connection is reported to the police; By bus, the ship whilst on tour, also safety belt can be reeved on fixtures such as the post of sealing, ring, in case safety belt is pulled out or when being cut off, this switch also can both be connected circuit alarm.More than three switches, all control by a functional select switch, can choose at random one of them or two, three switches work.What we adopted is the lock control functional select switch, and key has been arranged, and warning circuit could be switched on or switched off, and this has just strengthened its specialized property and the sense of security.

Adopt the sound and flash of light to send alarm signal simultaneously, this can not only cause bigger deterring psychologically to the criminal, no matter the more important thing is and daytime or night all can in time report the residing orientation of case and bag.

Be described in further detail embodiment of the present utility model below by accompanying drawing:

Fig. 1 is the general structure diagrammatic sketch;

Fig. 2 is an electronic acoustooptic warning device overall structure diagrammatic sketch;

Fig. 3 is the circuit theory diagrammatic sketch of electronic acoustooptic warning device;

Fig. 4 is a balanced rotation trigger switch configuration diagram;

Fig. 5 is " multifunctional burglary-resistant case and bag " circuit diagram.

As shown in Figure 1 and Figure 2, the utility model be by one higher with intensity, comparatively high-grade casing and electronic acoustooptic warning device that the anti-zoned good material that cuts performance is made formed.On the front of (1) at the bottom of the case, what be equipped with not only that general case and bag use removes lock (3) and coded lock (5), and face is equipped with a box body (2) and a light emitting diode (9) that is assembling the electronic acoustooptic warning device within it.

Described electronic acoustooptic warning device, be in box body (2), to have assembled unpack by force trigger switches (7) and safety belt of (4) one of functional select switches to extract trigger switch (10), balance and move trigger switch (14) and electronic circuit board (11), loudspeaker (12), dc source (13) etc., then be fixedly installed on the interior front of (1) at the bottom of the case.The lock control functional select switch that functional select switch (4) preferably adopts spring lock to select as deconcentrator rotating shaft control.On the opposite position of (1) front at the bottom of the case, hold concurrently keyhole and be communicated with safety belt patchhole and the sound hole (8) of loudspeaker (12) and the installing hole of light emitting diode (9) that safety belt is extracted trigger switch (10) of the installing hole that offers functional select switch (4).

Various function of the present utility model is all finished by its electronic circuit.As seen, entire circuit is made up of gauge tap circuit (15), intermittent oscillation circuit (16), audio amplifier circuit (17) and lighting display circuit unit such as (18) in Fig. 3 circuit theory diagrammatic sketch.First bodies such as BG1 wherein, BG2, C1～3, R1～5 have been formed intermittent oscillation circuit (16), form audio amplifier circuit (17) by BG3, BG4, C4～6, R7～8, the two closes by resistance R 6 lotus roots, has promptly constituted acoustics circuit, again by loudspeaker (12) pronunciation.It is level and smooth that resistance R 8 plays a part tone.

Lighting display circuit (17) parallel connection of being made up of light emitting diode (9) and resistance R 10 is connected on the resistance R 2 of acoustics circuit, so just can use intermittent oscillation circuit (16) as oscillator, when the alarm sound circuit is connected, light emitting diode (9) also can intermittently continue flash of light along with the sound, and when audio frequency oscillator or loudspeaker (12) when breaking down, light emitting diode (9) still can luminously be reported to the police.When breaking down, also can not influence the work of acoustics circuit at lighting display circuit (17) equally.

Gauge tap circuit (15) is by controllable silicon T and resistance R ₁₁And capacitor C ₇Form.Because of controllable silicon has the characteristic of gate-controlled switch, after triggering and conducting, the conducting continuously with regard to no longer being subjected to influence that whether triggering signal exist, thus warning device by the controllable silicon triggering and conducting after, the chimes of doom optical signal just can send continuously.Resistance R ₁₁Play metering function, can select its resistance according to the size of silicon controlled trigger current; Capacitor C ₇Play the effect of absorption clutter, to avoid mistaking signal.

Each functional switch is arranged in parallel: a contact is to be connected to the deconcentrator contact pin of functional select switch (4) then by the positive pole of functional select switch (4) connection dc source (13), and another contact connects the control utmost point (G level) of controllable silicon T.

The used trigger switch (7) of unpacking by force is a normally closed switch.At the bottom of case lid and case (1) when fastening, case lid is about to this switch and pushes down and force its two contact to disconnect; After other people pried open case lid, its two contact was about to connect and triggering gauge tap circuit alarm.

It is socket with a phono connector that safety belt is extracted trigger switch (10), is connected in for normally off between the G level circuit of functional select switch (4) and controllable silicon T; Safety belt (6) is one section gentle, soft lead, and its two ends respectively are welded on two limits of plug; Shape is as the endless belt of an enclosed shape.When in safety belt (6) plug insertion socket, the normally-closed contact of socket is disconnected, promptly it triggers circuit and is cut off; This moment, safety belt (6) lead promptly was connected to a, the b point-to-point transmission in the circuit, the trigger current signal is extremely released through R9 and lead, but this leakage current should be transferred as far as possible for a short time.After other people pull away socket aperture with safety belt (6) together with plug, just can make the socket normally-closed contact closed immediately, thereby trigger control circuit (15) is reported to the police; If safety belt (6) is cut off, the electric current of power supply (13) is promptly through R ₁₀The G utmost point of input controllable silicon T and circuits for triggering are reported to the police.

It is to become butterfly-shaped (19,20) at the bottom of the hemisphere face shape to be interlocked on an air ring (21) made from insulating materials with two with conductive metallic material punching out such as copper, silver that balance moves trigger switch (14), and the centre is adorned a suitable silver-plated Metal Ball (22) of size and made.Wherein two metals butterfly-shaped (19,20) are connected to functional select switch (4) and through R ₁₀Be connected to the G level of controllable silicon T, then horizontal is fixed in the box body (2).When the casing horizontal; Metal Ball (22) rests on down the centre of metal butterfly-shaped (20) and does not contact butterfly-shaped of metal (19), in case casing inclined carry mobile, Metal Ball (22) just is rolled to down the edge of metal butterfly-shaped (20), thereby touch butterfly-shaped of metal (19), make and send a telegraph road conducting triggering warning.

Claims

1, the antitheft case and bag of a kind of sound and light alarm, it is made up of casing and electronic acoustooptic warning device, it is characterized in that:

A, electronic acoustooptic warning device be by functional select switch (4), balance move trigger switch (14), by force unpack trigger switch (7), safety belt transfer to trigger switch (10), electronic circuit board (11), loudspeaker (12), and dc source (13) be assembled in the box body (2) and constitute;

B, electronic acoustooptic warning device box body (2) are installed on the interior front of (1) at the bottom of the casing case, and (1) front relative position is provided with functional select switch (4) installing hole, safety belt (6) patchhole, mechanical code lock (5) number hole, the defeated sound hole (8) of loudspeaker (12) and light emitting diode (9) installing hole at the bottom of the case.

2, the antitheft case and bag of sound and light alarm according to claim 1 is characterized in that electronic component that electronic circuit board (11) becomes gauge tap circuit (15), intermittent oscillation circuit (16), audio amplifier circuit (17) and lighting display circuit (18) by assembly is welded to constitute on circuit substrate.

3, according to claim 1 and the antitheft case and bag of the described sound and light alarm of claim 2, the functional select switch (4) that it is characterized in that the electronic acoustooptic warning device is a lock control deconcentrator, the trigger switch (7) of unpacking by force is with a normally closed switch, and it is socket with a phono connector that safety belt is extracted trigger switch.