CN2266166Y

CN2266166Y - Heat release external wireless theftproof device

Info

Publication number: CN2266166Y
Application number: CN 96224522
Authority: CN
Inventors: 苏洪峰
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-08-29
Filing date: 1996-08-29
Publication date: 1997-10-29
Anticipated expiration: 2006-08-29

Abstract

The utility model relates to a theftproof alarm device, which solves the problems that the existing alarm device has inferior interference killing feature and is easy to break and to make wrong alarm. The utility model is composed of an infrared detection code transmitting circuit, a code receiving executing circuit and a remote control circuit. The infrared detection code transmitting circuit is output by a heat releasing external probe, controlled by an amplifying and comparing circuit, output by an encoding circuit, and is transmitted by antenna via an oscillating modulating frequency selecting and power amplification circuit. The code receiving circuit has the technical proposal that a carrier wave coded signal is received by an antenna and output to a decoding circuit via an amplifying circuit after high-level frequency selection and regenerative detection. The decode is then received by a work decoding circuit and is decoded by a decoder to drive a light emitting diode to indicate the alarming site. The remote control signal is decoded by the decoding circuit to a double D flip-flop to output the control speech, a power amplification circuit to push a loudspeaker and a control relay J. The utility model is suitable for theftproof alarm in the dispersed places with a large scale and in the residential district.

Description

Heat is released outer wireless theft-proof device

The utility model relates to a kind of burglar alarm, and particularly a kind of heat of multiple spot monitoring concentrated alarm is released outer wireless theft-proof device.

People are for the office of dwelling house and important department at present, and the safe antitheft in places such as accounts office, national treasury, museum is more and more paid attention to, and people have also developed various burglar alarms.As noctovisor scan alarm or the like; and these single warning devices all can only be reported to the police at protected place; reminds people has the people stealing among a small circle; the robber is feared and slip away; sometimes this warning device is penetrated by the robber warning device was lost efficacy; do not have the effect of warning; the warning device of this independent setting prevents sheet and office space in residential quarters public security and is not easy to safe security personnel and knows place of alarm in addition; cause labour intensity big for safe patrol personnel, fatiguability and lose the effect of public security.

The purpose of this utility model is to provide a kind of energy Centralized Monitoring respectively to take precautions against the heat of reporting to the police in the place and releases outer wireless theft-proof device.

The utility model is finished with following mode: heat is released outer wireless theft-proof device and is made up of infrared acquisition encoding transmitting circuit and coding reception executive circuit and remote control circuit; The infrared acquisition encoding transmitting circuit is to release outer receiver PIR output meets switch triode V1 to window comparator circuit output after operational amplifier amplifies base stage by heat, the control power supply is to integrated circuit (IC) 3 and vibration, modulation, frequency-selecting, the power amplifier of encoding, coding integrated circuit (IC) 3 outupt coded signals are launched through antenna TX1 to vibration, modulated carrier, frequency-selecting, power amplifier; It is to input to decoding integrated circuit IC6 and IC8 after frequency-selecting and operational amplifier high frequency amplify the signal output that back to regenerative detection circuit carries out after the detection by the signal that antenna TX2 receives infrared acquisition encoding transmitting circuit and remote control circuit emission after operational amplifier amplifies that coding receives executive circuit, decoding integrated circuit IC6 decodes to infrared acquisition encoding transmitting circuit coding signal transmitted, decoding integrated circuit IC6 output is through decoder ic IC7 decoding output sending and receiving optical diode VD9-24, decoding integrated circuit IC8 exports double D trigger IC9 to, decoding integrated circuit IC8 decodes to the remote control circuit coding signal transmitted, decoding integrated circuit IC8 output meets double D trigger IC9, the base stage of switch triode V8 connects the 11 pin output terminals of double D trigger IC913 pin output terminal and decoding integrated circuit IC8, the power supply of switch triode V8 and V9 control speech IC IC11 and power amplifier operational amplifier IC10 promotes loudspeaker.The 12 pin output terminals of decoding integrated circuit IC8 export switch triode V10 base stage, pilot relay J to; Remote control circuit is by coding integrated circuit (IC) 13 external gauge tap K1-4, export the Colpitts oscillation circuit of forming by three plate pipe V11 capacitor C 56 and C57 to, after capacitor C 54 and C55 and inductance L 14 frequency-selectings, through inductance L 13 couplings, by antenna TX3 emission carrier wave coded signal.The infrared acquisition encoding transmitting circuit has one or more to be contained in each antitheft place, the coding side of the coding integrated circuit (IC) 3 in each infrared acquisition encoding transmitting circuit rearranges coding, and the address end coding of the decoding integrated circuit IC6 in the decoding reception executive circuit is arranged in and is arranged in consistent with the coding side coding of each coding integrated circuit (IC) 3.The address end that the address end coding of the coding integrated circuit (IC) 13 in the remote control circuit and coding receive the decoding integrated circuit IC8 in the executive circuit is encoded consistent.

The utility model heat is released the detection system of outer wireless theft-proof device because adopt multilevel coding, its anti-false triggering performance is quite high, it can monitor a plurality of places simultaneously, and display alarm place, detection circuit heat resistanceheat resistant interference in air flow and temperature variation ability are strong, detectable any direction speed is 0.3-3m/s, can disturb by anti-light simultaneously.Adopt encryption wireless transmit and alterating and direct current dual-purpose, the sorrow of no trimming, outage, receiving circuit is controlled by telepilot, the opening and closing alarm is quite convenient, and remote control is scrambled also, is equivalent to a key, and telepilot can make receiving circuit drive external motor, light etc., and warning signal is yowled.The static working current of detection circuit, receiving circuit, remote control circuit is quite little, saves electric energy, helps direct current supply.It has simple in structure, and cost is low, is applicable to each primary location and residential quarters and the safe antitheft monitoring use in area in flakes.

Fig. 1 is the utility model block scheme

Fig. 2 is the utility model infrared acquisition encoding transmitting circuit schematic diagram

Fig. 3 is that coding receives one of the executive circuit schematic diagram

Fig. 4 is two the schematic diagram that coding receives executive circuit

Fig. 5 remote control circuit schematic diagram

Below in conjunction with accompanying drawing the utility model is described in further detail.

As shown in Figure 1, the utility model heat is released outer radio alarming device and is made up of the infrared acquisition coded transmitter that is installed in each antitheft place and coding receiving actuator and telepilot.Infrared acquisition coded transmitter circuit as shown in Figure 2, power supply is to be exported through the rectification of diode full-wave rectifying circuit by the step-down transformer B1 output that connects AC power, on each commutation diode and connect capacitor C 20-C23 filtering high-frequency signal and disturb, add on transformer B and cover cover frequently, resistance R 16 serial connection light emitting diodes play the interchange indicative function.The infrared acquisition encoding transmitting circuit is the infrared detection head PIR by two detection meta structures, when human body moves, the infrared ray of human body institute radiation also and then moves, after the Fresnel optical lens focuses on, convert 3 pin that electric signal inputs to operational amplifier IC1-a (LM393) to by PIR, operational amplifier IC1-a and resistance R 3, R2, capacitor C 2 and C5 form low-frequency amplifier, low frequency signal to 0.3-10Hz amplifies, after thermistor R4 further amplifies to operational amplifier IC1-b (LM393), add to window comparator circuit from IC1-a output.Window comparator circuit is made up of operational amplifier IC2-a (LM393) and IC2-b (LM393) and resistance R 6-R9, resistance R 6-R9 forms the reference voltage network, most of undesired signal is filtered out, the anti-false touch that improves circuit is with ability, when the people is mobile forward or backward, IC1-b can export an alternating signal, when the signal that inputs to IC2-a or IC2-b is greater than or less than reference level, 1 or 7 pin of IC2-a and IC2-b will be exported a high level, after resistance R 10 and capacitor C 9 filtering, make triode V1 conducting, the V1 conducting makes triode V2 conducting.After the V2 conducting, power supply is through resistance R 13, and capacitor C 15 filtering and after stabilivolt D6 step-down offer the working power of coding integrated circuit (IC) 3 (9256).The 1-8 pin of IC3 coding integrated circuit is a coding side, and the 10-13 pin is the secondary coding end, is to use as Address Recognition at this, 10 pin ground connection in the IC3 for example, the 11-13 pin connects positive supply, and then scale-of-two is " 0111 ", the decimal system is " 7 ", represents that then situation appears in No. seven areas.16,15 pin connecting resistance R15 at IC3 are oscillation resistance, change the oscillation frequency that its size can change IC3.Deliver to the Colpitts oscillation circuit of forming by triode V3 from the 17 pin outupt coded signals of IC3, carrier wave after the modulation further amplifies through triode V4, through capacitor C 16, C17, after inductance L 4, the L5 frequency-selecting, through triode V5 power amplifier, capacitor C 19 and C18 dividing potential drop after antenna launch.Coding receives executive circuit as shown in Figure 3 and Figure 4, A in Fig. 3, B is connected to the A of Fig. 4, the B end, it is by behind the antenna reception carrier coded signal, through inductance L 9, L10, coupling, inductance L 10 and capacitor C 26 frequency-selectings, capacitor C 27, be sent to operational amplifier IC4 (1651) after the C28 dividing potential drop and carry out the high frequency amplification, signal after the amplification is through inductance L 11, the L12 coupling, be sent to the regenerative detection circuit of forming by triode V7 and capacitor C 31 etc., export from triode V7 collector, diode VD8 plays temperature compensation function, signal after the detection is sent to operational amplifier IC5-a (LM393) and further amplifies, resistance R 31, the bleeder circuit that R32 forms makes reliable operation, and the signal after the amplification is sent to operational amplifier IC5-b (LM393) and carries out second level amplification, then through resistance R 35, R42 is sent to the next stage circuit and handles.IC6, IC8 are decoding circuit, it is the address/data end that IC6 and IC8 adopt 9257 its 1-8 pin, can connect " 1 ", " 0 ", " unsettled " three kinds of states, wherein the coding of the coding integrated circuit (IC) 3 in the coding of the 1-8 pin of IC6 and the infrared acquisition encoding transmitting circuit is consistent, so IC3 only reacts to the signal of infrared acquisition coding circuit emission.Equally, the coding of the coding integrated circuit (IC) 13 in the coding of IC8 and the remote control circuit is consistent, and IC8 only reacts to the signal of telepilot.The signal of infrared detection coding circuit emission is sent to decoding integrated circuit IC6 through resistance R 35 and decodes, it is consistent with the secondary coding signal of infrared acquisition coding circuit emission to export one group of binary-coded decimal by its 10-13 pin, determining the position of alarm set point, decipher through code translator IC7 (4514), a high level driven for emitting lights diode VD9-24 is luminous by its 4-20 pin output, alarm occurs so just can know which place in 16 places.Simultaneously, high level of 17 pin output of decoding integrated circuit IC6,11 pin that are sent to double D trigger IC9 (4013) are triggered subordinate's circuit, send 20 seconds warning signal sound, the signal that telepilot comes is sent to decoding integrated circuit IC8 decoding through resistance R 42, if telepilot is pressed " antitheft unlatching " button, then 10 pin of IC8 are sent 9 pin of the high level of a self-locking to IC9, as long as situation occurs, then the trigger pip sent of 17 pin of IC6 will trigger 11 pin of IC9, make high level of 20 seconds of 13 pin output of IC6, make back level warning signal circuit working, 17 pin of IC8 can be sent 3 pin that a high trigger signal triggers IC9 simultaneously, make late-class circuit send the work prompt tone.When telepilot is pressed " warning signal yowl " button, then 11 pin of IC5 will be exported the high level of a self-locking, make three plate pipe V8 and V9 conducting, make back level warning signal circuit long-term work." unlatching is " during key when telepilot is pressed, the high level of a self-locking of 12 pin of IC8 output then, one tunnel 4 pin of delivering to IC9 through diode VD25 are closed the work prompt tone, and one the tunnel is sent to triode V10 through resistance R 50, promote the relay J adhesive, can drive external electric light or motor.When pressing " closing " key,, be high level so have only 13 pin, and 10-12 is a low level, can close alarm and electric light etc. then because the output of the 10-13 pin of IC5 is interlocking.Be connected to resistance R 43, capacitor C 40, diode VD26 and resistance R 45, capacitor C 42, the diode VD27 of two D triggering integrated circuit (IC) 9.Form separately, 1 second and 20 seconds delay circuits, be respectively the time-delay of prompt tone and warning signal sound, when alarm taking place and pressing remote controller key, can both make triode V8 and V9 conducting, then operational amplifier IC10 and speech IC IC11 get electric work, resistance R 56 and light emitting diode VD29, form reduction voltage circuit, the warning signal signal is sent to IC10 and carries out power amplifier, sends warning signal sound by Horn loudspeaker.Remote control circuit as shown in Figure 5, it forms encoder circuit by coding integrated circuit (IC) 13 (5026) and peripheral cell, the 1-8 pin of IC13 is that the address/data position is imported, and can connect high level " 1 ", low level " 0 " or " open circuit " three kinds of states can produce 3 ⁹=19683 kinds of unduplicated code set, resistance R 59 is an oscillation resistance.Coded data is sent to the oscillator that triode V11 forms by 17 pin of IC13, forms capacitance connecting three point type oscillator by triode V11 and capacitor C 56, C57, after capacitor C 54, C55 and inductance L 14 frequency-selectings, through inductance L 13 couplings, is launched by antenna.K switch 1-K4 is set to " opening alarm " at this, " warning signal yowl ", " opening electric light or motor ", the effect of " closing alarm ".Diode VD37-VD40 is for power saving at this, only presses among the K switch 1-K4, just 18 pin of IC13 electric work, triode V11 just understands starting of oscillation and transmits.

Claims

1. a heat is released outer wireless theft-proof device, it is characterized in that being made up of infrared acquisition encoding transmitting circuit and coding reception executive circuit and remote control circuit;

The infrared acquisition encoding transmitting circuit is to release outer probe PIR output meets switch triode V1 to window comparator circuit output after operational amplifier amplifies base stage by heat, the control power supply is to integrated circuit (IC) 3 and vibration, modulation, frequency-selecting, the power amplifier of encoding, coding integrated circuit (IC) 3 outupt coded signals are to vibration, modulated carrier, frequency-selecting, power amplifier are launched through antenna TX1;

It is to receive the signal of infrared acquisition encoding transmitting circuit and remote control circuit emission after frequency-selecting and integrated radio-frequency amplifier high frequency amplification back to superregenerative detection circuit carry out detection by antenna TX2 that coding receives executive circuit, signal output after the detection is after operational amplifier amplifies, input to decoding integrated circuit IC6 and IC8, decoding integrated circuit IC6 decodes to infrared acquisition encoding transmitting circuit coding signal transmitted, decoding integrated circuit IC6 output is through decoder ic IC7 decoding output driven for emitting lights diode D, decoding integrated circuit IC6 exports double D trigger IC9 to, decoding integrated circuit IC8 decodes to the remote control circuit coding signal transmitted, decoding integrated circuit IC8 output meets double D trigger IC9, the base stage of switch triode V8 connects the Q output terminal of double D trigger IC9 and the 11 pin output terminals of decoding integrated circuit IC8, the power supply of switch triode V8 and V9 control speech IC IC11 and power amplifier operational amplifier IC10, promote loudspeaker, 12 pin of decoding integrated circuit IC8 export switch triode V10 base stage to, pilot relay J: open motor, light etc.

Remote control circuit is by coding integrated circuit (IC) 13 external gauge tap K1-K4, the Colpitts oscillation circuit that the output modulation is made up of triode V11 capacitor C 56 and C57, after capacitor C 54 and C55 and inductance L 14 frequency-selectings, through inductance L 13 couplings, by antenna emission carrier wave coded signal.

2. release outer wireless theft-proof device according to the described heat of claim 1, it is characterized in that the infrared acquisition encoding transmitting circuit has one or more to be contained in each antitheft place, the coding side of the coding integrated circuit (IC) 3 in each infrared acquisition encoding transmitting circuit rearranges coding, and the address end coding of the decoding integrated circuit IC6 in the decoding reception executive circuit is arranged in and is arranged in consistent with the coding side coding of each coding integrated circuit (IC) 3.

3. release outer wireless theft-proof device according to the described heat of claim 1, it is characterized in that the address end encoding and decoding of the coding integrated circuit (IC) 13 in the remote control circuit receives the address end coding unanimity of the decoding integrated circuit IC8 in the executive circuit.