CN2650413Y

CN2650413Y - Anti-theft automatic-alarming multifunctional telephone set

Info

Publication number: CN2650413Y
Application number: CN 200320113988
Authority: CN
Inventors: 李建明; 李靖思
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-29
Filing date: 2003-10-29
Publication date: 2004-10-20
Anticipated expiration: 2013-10-29

Abstract

An antitheft automatic alarm multi-function telephone set is provided, which is characterized in that: a signal output end of a human body infrared sensor 11 is connected with the input end of a delay control and drive circuit 12, the output end of the circuit 12 is connected with a drive circuit of an actuating element 13, which has an electromagnetic relay La and an electromagnet Lb, a set of normal open contact of the electromagnetic relay La is connected in parallel with an abbreviated dialing key switch electrode of the telephone set 15, and another set of normal open contact K2 is connected in series with an alarm circuit 14 and the power supply wiring, the lower end of an iron core 4 of the electromagnet Lb is connected with one end of a switch board 6, which is connected with the lower part of a heaver 7 on the telephone set 15. By utilizing the existing telephone network; when a thief enters into the monitoring area, the utility model can automatically give an alarm sound and switch on a host telephone; moreover, the utility model also has the communication functions of an ordinary telephone that: being easy to install and use, almost no running cost increased, widely application for commercial shop, office, and household.

Description

The anti-picking electric alarm multi-feature telephone

Technical field

The utility model relates to a kind of telephone set with anti-picking electric alarm function.

Background technology

People are for antitheft, and various antitheft doors, window and anti-theft lock and various anti-theft appliance arise at the historic moment, but mostly " can only prevent gentleman, can not prevent the person of low position ".Occurred in recent years a kind ofly utilizing sub-district internal network or telephone network and with the burglary-resisting system of room anti-thefting facility and sub-district security personnel or public security network internet, though its anti-theft effect is good, but networking expense and maintenance cost are very high, the actual use and inconvenience also must be installed by professional institution and personnel.

The utility model content

The technical problems to be solved in the utility model is, defective at the prior art existence, design a kind of anti-picking electric alarm multi-feature telephone, it utilizes existing telephone communication network and telephone set, when the burglar enters the theftproof monitoring zone, can report to the police and make the communication tool of telephone set connection setting automatically and send the indication of reporting to the police, possess the communication function of ordinary telephone set simultaneously to the owner; Its install with easy to use, increase operating cost hardly, applied range is particularly suitable for commercial shop and office and uses at home.

Technical solution of the present utility model is, described anti-picking electric alarm multi-feature telephone includes the telephone set and the human body infrared inductor of abbreviated dialing key, time-delay control and drive circuit, executive component, voice alarm circuit and be connected with described operating circuit and will provide the power circuit of dc supply behind the civil power step-down rectifier to it, its design feature is, the signal output part of described human body infrared inductor is connected with the input of drive circuit with described time-delay control, and the output of this time-delay control and drive circuit is connected with the driving ring current terminals of executive component, and described executive component comprises electromagnetic relay L _aWith electromagnet L _b, described electromagnetic relay L _aHave two groups of normally opened contacts and wherein one group of normally opened contact be in parallel with the abbreviated dialing key switch two end electrodes of described telephone set and another group normally opened contact is serially connected between described voice alarm circuit and its power supply wiring, be installed in the electromagnet L in the described telephone shell _aThe iron core lower end be connected with an end of switchboard and switchboard is connected with the hook switch bottom of described telephone set.

Below make and further specifying.

Referring to Fig. 1, the utility model includes the telephone set 15 and the human body infrared inductor 11 of abbreviated dialing key, time-delay control and drive circuit 12, executive component 13, voice alarm circuit 14 and be connected with described operating circuit and will provide the power circuit 16 of dc supply behind the civil power step-down rectifier to it, its design feature is, the signal output part of described human body infrared inductor 11 is connected with the input of drive circuit 12 with described time-delay control, and the output of this time-delay control and drive circuit 12 is connected with the driving ring current terminals (being solenoid) of executive component 13, and described executive component 13 comprises electromagnetic relay L _aWith electromagnet L _b(referring to Fig. 2), described electromagnetic relay L _aHave two groups of normally opened contacts and wherein one group of normally opened contact (not drawing among the figure) be in parallel and another group normally opened contact K with the abbreviated dialing key switch two end electrodes of described telephone set 15 ₂Be serially connected between described voice alarm circuit 14 and its power supply wiring (referring to Fig. 2), be installed in the electromagnet L in the casing of described telephone set 15 _b Iron core 4 lower ends be connected with an end of switchboard 6 and this switchboard 6 with hook switch 7 bottoms of described telephone set 15 be connected (referring to Fig. 3).

Below in conjunction with circuit embodiment illustrated in fig. 2 operation principle of the present utility model is explained.

Referring to Fig. 1 and Fig. 2, human body infrared inductor 11 of the present utility model can be selected the commercially available BH9402 type product of being produced by Beijing China rising sun Electron Technology Co., Ltd (it comprises Fresnel Lenses) for use, the RL-9805 type phonetic alarm module (its physical circuit is shown in the part of 2 the right of K switch among Fig. 2) that voice alarm circuit 14 can adopt the gentle happy Electrical Appliances Co., Ltd in Shenzhen to produce, HA998 (III) the P/TSD type telephone set that telephone set 15 can adopt Luoyang Telephone Equipment Plant, Min. of Posts ﹠ Telecommunications to produce.As shown in Figure 2, in case have the people enter by the monitoring range of BH9402 module (120 ° * 5m), signal output part CP just exports a high level pulse; Described time-delay control and drive circuit 12 are by R ₁, C ₁Form delay circuit with VD, by VT ₁Form single-shot trigger circuit, thyristor VT with the NE555 chip ₂Be switch drive element (circuit 12 also can adopt other similar circuit of prior art); The high level pulse of BH9402 module output CP is delivered to described delay circuit and can be delayed time about 10 seconds, makes VT again ₁Conducting, 2 pin trigger ends of NE555 time-base circuit chip obtain low level and trigger, and the monostable flipflop upset of its composition enters temporary stable state, and time-base circuit 3 pin output high level makes VT ₂Open-minded, L _a, L _bCoil gets electric and enters operating state; After human body left on-site supervision, the CP of module held no-output, VT ₁Remain off state, but the NE555 time-base circuit still keeps high level, La, Lb still keep electric work state, until capacitor C ₂Through R ₃When charging to potential rise to 2/3VDD, the NE555 circuit reset, 3 pin recover low level, VT ₂Lose trigger current, turn-off when the alternating current zero passage, La, Lb quit work.Circuit opening time (being delay time) is by R ₃With C ₂Numerical value decision.

Power circuit 16 adopts C shown in Figure 2 ₆Step-down, full-bridge U rectification, VS voltage stabilizing and C ₄Filtering and obtain galvanic current is for BH9402 module and NE555 time-base circuit and warning circuit 14 electricity consumptions.By R ₁, C ₁The delay circuit of forming with VD can be with the reaction time delay of warning system about 10 seconds, to prevent false alarm.After owner opens the utility model warning device, though the CP end of BH9402 module can be exported high level signal, C immediately ₁The two ends charging voltage does not reach predetermined value (1.3V), and VD can't conducting, and late-class circuit is not worked; Therefore after system opens or before closing, owner all has certain hour to go out calmly or enter.In like manner, described delay circuit also can be avoided causing false alarm because of external interference triggers the BH9402 module once in a while effectively.

Mains switch K in connecting Fig. 2 ₁After (promptly connecting civil power), system enters operating state; If there is this moment the people movable in its investigative range, above-mentioned operating circuit enters conducting state, connects electromagnetic relay La and electromagnet L automatically _bL _bEnergising make iron core 4 upwards adhesive mention, drive upwards operation of switchboard 6 thus, this switchboard 6 is then upwards mentioned the hook switch 7 of telephone set 15, makes the switch H of the telephone set 15 that is connected to telephone wire ₁And H ₂(do not draw H among the figure ₁And H ₂Being general code name) conducting is in phone to treat dialing status; La get electric after, make contact switch K ₂Closed and make voice alarm circuit 14 electric work, send the warning audio communication, the dialing key switch that condenses of memory simultaneously also is switched on and begins automatic dialing, sends signal to owner's appointed equipment (mobile phone, telecommunication telephone machine, beeper), quotes robber's feelings.After warning system started, if the people does not leave monitor area, system works can not stop, and left the back system alarm up to human body and just can stop, and got back to holding state.

As known from the above, the utility model is a kind of anti-picking electric alarm multi-feature telephone, it utilizes existing telephone network and telephone set, when the burglar enters the theftproof monitoring zone, can send warning audio communication and the directed owner's phone (mobile phone, landline telephone etc.) of connecting automatically, have the communication function of plain old telephone simultaneously, its installation and easy to use, plain old telephone increases operating cost hardly relatively, is widely used in the antitheft of commercial shop, office and family.

Description of drawings

Fig. 1 is a kind of embodiment circuit block diagram of the present utility model;

Fig. 2 is a kind of embodiment circuit diagram of block diagram shown in Figure 1;

Fig. 3 is the example structure figure that telephone hook switch is mentioned mechanism.

In the accompanying drawings:

The 1-telephone shell, the 2-electromagnet stent,

The 3-electromagnet, the 4-iron core,

The 5-connector, the 6-switchboard,

The 7-hook switch, the 8-alignment pin,

11-human body infrared inductor, 12-time-delay control and drive circuit,

The 13-executive component, the 14-voice alarm circuit,

The 15-telephone set, the 16-power circuit.

Embodiment

The utility model anti-picking electric alarm multi-feature telephone according to accompanying drawing 1 to 3 and said structure, HA998 (III) the P/TSD type product that described telephone set 15 adopts Luoyang Telephone Equipment Plant, Min. of Posts ﹠ Telecommunications to produce, the RL-9805 type phonetic alarm module that voice alarm circuit 14 adopts the gentle happy Electrical Appliances Co., Ltd in Shenzhen to produce, the BH9402 pattern piece that human body infrared inductor 11 selects for use Beijing China rising sun Electron Technology Co., Ltd to produce, the Fresnel Lenses of this BH9402 pattern piece is contained in the side or the back side of telephone set 15 casings, electromagnetic relay La adopts commercially available HH52P type product, electromagnet L _{B also}Adopt HH52P product electromagnet, switchboard 6 adopts thick H62 copper sheet of 1.5mm or uniform thickness spring steel plate to make, and its actuating length is 6-8mm at alignment pin 8 places; Actual circuit structure as shown in Figure 2.

Claims

1, a kind of anti-picking electric alarm multi-feature telephone, telephone set 15 and human body infrared inductor 11 that the abbreviated dialing key is arranged, time-delay control and drive circuit 12, executive component 13, voice alarm circuit 14 and be connected with described operating circuit and will provide the power circuit 16 of dc supply behind the civil power step-down rectifier to it, it is characterized in that, the signal output part of described human body infrared inductor 11 is connected with the input of drive circuit 12 with described time-delay control, and the output of this time-delay control and drive circuit 12 is connected with the driving ring current terminals of executive component 13, and described executive component 13 comprises electromagnetic relay L _aWith electromagnet L _b, described electromagnetic relay L _aHave two groups of normally opened contacts and wherein one group of normally opened contact be in parallel and another group normally opened contact K with the abbreviated dialing key switch two end electrodes of described telephone set 15 ₂Be serially connected between described voice alarm circuit 14 and its power supply wiring, be installed in the electromagnet L in the casing of described telephone set 15 _bIron core 4 lower ends be connected with an end of switchboard 6 and this switchboard 6 is connected with hook switch 7 bottoms of described telephone set 15.