CN2241365Y

CN2241365Y - Domestic wireless theftproof alarm device

Info

Publication number: CN2241365Y
Application number: CN 95250262
Authority: CN
Inventors: 龙光新; 董长潇
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-30
Filing date: 1995-12-30
Publication date: 1996-11-27
Anticipated expiration: 2005-12-30

Abstract

The utility model relates to a domestic wireless theftproof alarm device, composed of an alarm transmitter and an alarm receiver. The alarm transmitter is composed of a shell body, a sensor, an alarm whistle sound generator, a triggering delayer, a wireless transmitter and a power supply in the shell body. The alarm receiver is composed of the shell body, a wireless receiver, a solid state voice recording playing device and the power supply in the shell body. Because the utility model adopts integration circuits, the utility model has the advantages of few peripheral elements, saved power consumption, small volume, easy installation, and low cost. Therefore, the utility model can be widely used for the theftproof protection of precious cultural relics in family dwellings, industrial and mining enterprises, storehouses, safe cases, and museums.

Description

The household radio burglar alarm

The utility model relates to household radio burglar alarm technical field, is a kind of household radio burglar alarm.

At present, the device that is used for burglar alarm mainly include report from a liner alert with radio alarming, and the probe portion of wired alarming and report to the police and often need a large amount of leads between the part, its volume is big, the strick precaution scope is little; And the complex structure of radio alarming, cost an arm and a leg, rate of false alarm is big; Therefore, all fail to be extensive use of at home dwelling and industrial and mining enterprises.

The purpose of this utility model is to design a kind of small-sized household radio burglar alarm.

This household radio burglar alarm is the principle features of utilizing short-range radio wave transmission and reception (and the radiowave launched of transmitter does not all have influence to any electrical equipment), transmitter is installed on door and window or the valuables, receiver can (about 20 to 30 meters) be placed arbitrarily in range of receiving, when article are stolen (human body touch or vibration), this household radio burglar alarm will report to the police and launch radiowave and make and receive language and the sound equipment sound that alarm will record simultaneously in advance and emit.

The purpose of this utility model realizes by following measure: this household radio burglar alarm is made of alarm transmission device and alarm receiver, and the alarm transmission device is made up of housing and interior sensor, siren acoustical generator 3, trigger delayer 4, wireless launcher 5 and power supply thereof, preferably also has light emitting transistor LED2 on the housing of alarm transmission device; Alarm receiver is by housing and interior wireless receiver 6 thereof, solid-state voice recorder 7 and power supply are formed, siren acoustical generator 3 comprises integrated circuit (IC) 6 and loudspeaker SD3, trigger delayer 4 comprises integrated circuit (IC) 2 and IC5, capacitor C 6 and C7 and resistance R 12, wireless launcher 5 comprises integrated circuit (IC) 7, triode BG3, crystal resonator KDS1, capacitor C 8 and C9, inductance L 1, resistance R 14 and antenna, wireless receiver 6 comprises inductance L 2, antenna L3, capacitor C 3 and C4, triode BG4 and BG5 and BG6 and BG7 and BG8, crystal resonator KDS2, solid-state voice recorder 7 comprises integrated circuit (IC) 8, microphone MIC, loudspeaker SD1, switch S 1 and S2, solid-state voice recorder 7 preferably go back external loudspeaker SD2 and preferably also have LED 1; Sensor is touch sensor or vibration transducer or touch sensor and vibration transducer is arranged simultaneously, and touch sensor 1 comprises integrated circuit (IC) 1, diode D1 and D2 and D3, capacitor C 1 and C2, resistance R 1 and R2 and R3, touch point A, integrated circuit (IC) 1 the best is the integrated circuit of CD4069 model, vibration transducer 2 comprises integrated circuit (IC) 3 and IC4, vibration sensing head YD, triode BG1 and BG2, capacitor C 3, resistance R 6, integrated circuit (IC) 3 the bests are the integrated circuit of NE555 model, and integrated circuit (IC) 4 the bests are the integrated circuit of CD4017 model; Integrated circuit (IC) 2 the bests are the power switch circuit of TWH8778 model, integrated circuit (IC) 5 the bests are the integrated circuit of NE555 model, integrated circuit (IC) 6 the bests are the warning integrated circuit of KD9561 model, integrated circuit (IC) 7 the bests are the integrated circuit of CD4069 model, and integrated circuit (IC) 8 the bests are the integrated circuit of QX402 model.

Accompanying drawing 1 is the schematic perspective view of the alarm receiver of the utility model most preferred embodiment;

Accompanying drawing 2 is the schematic perspective view of the alarm transmission device of the utility model most preferred embodiment;

Accompanying drawing 3 is the alarm transmission device principle schematic of the utility model most preferred embodiment;

Accompanying drawing 4 is the alarm receiver principle schematic of the utility model most preferred embodiment;

Accompanying drawing 5 is the circuit diagram of the alarm transmission device of the utility model most preferred embodiment;

Accompanying drawing 6 is the circuit diagram of the alarm receiver of the utility model most preferred embodiment.

Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:

As shown in Figure 3, touch sensor 1 comprises that model is integrated circuit (IC) 1, diode D1 and D2 and D3, capacitor C 1 and C2, resistance R 1 and R2 and R3, the touch point A of CD4069, when the human body sensing noise signal passes to diode D1 rectification through touch point A, make the input end of negation gate F1 obtain undersuing, the output terminal output positive pulse signal of F1, this pulse signal charges to C1 after D2 isolation, R1 current limliting, as the time that touches be no more than circuit official hour value, then warning circuit is reactionless; As the time that touches is during the value of exceeding schedule time, and C1 charging and voltage are during greater than the half value of VDD, negation gate F2 upset, its output terminal becomes low level by high level, C2 discharges rapidly by D3, negation gate F3 input end transfers low level to by high level, its output terminal is by the R5 current limliting, provide about 2 volts digital level to model for 5 pin of the power switch circuit IC2 of TWH8778 model, make 1 pin and 2 of IC2,3 pin are connected, obtain electricity loudspeaker SD3 and send chimes of doom even model is the warning integrated circuit (IC) 6 of KD9561 model, meanwhile, supply voltage charges to C2 through R3, when C2 charging voltage during greater than the half value of VDD, the F3 upset, IC2 turn-offs chimes of doom because of signal out of hand.

As shown in Figure 4, vibration transducer 2 comprises that model is the integrated circuit (IC) 3 of NE555 model and integrated circuit (IC) 4, vibration sensing head YD, triode BG1 and BG2, capacitor C 3, the resistance R 6 that model is the CD4017 model, when vibration sensing head YD is subjected to once vibrating triggering, will be to the 14 pin input pulsatile once of IC4, when the accumulative total input pulse reached trigger value, the 11 pin output high level of IC4 made triode BG2 conducting give 5 pin of IC2, thereby digital level is provided, IC6 is reported to the police; The pulse producer that IC3 forms sends a pulse every a few minutes and is used for the counter of IC4 is carried out zero clearing; When IC6 reports to the police, the model of trigger delayer 4 is the integrated circuit (IC) 5 triggers output of NE555 model, and delay time is by R12 and C6 decision, here value should be greater than touch sensible time of fire alarming once, mistakenly launch thereby reduced wireless launcher 5, improved the reliability of reporting to the police; The model of wireless launcher 5 is that IC7 started working after 14 pin of the integrated circuit (IC) 7 of CD4069 obtained high level, after three not gates of F1, F2, the F3 of KDS1 and R13 and IC7 carry out frequency modulation (PFM), launch wireless signal via the radio transmitter that L1, C8, C9, BG3 form;

As shown in Figure 4, the wireless receiving circuit of forming as inductance L 2, antenna L3, capacitor C 3 and the C4 of wireless receiver 6, triode BG4 is received the radiowave that alert wireless launcher 5 sends and is advanced, be transferred to BG5, BG6, crystal resonator KDS2 and BG7 by R17, make the negative pulse enable signal BG8 conducting of BG7 output through demodulation, when model is to report to the police after the integrated circuit (IC) 8 of QX402 obtains to trigger, but being a slice, IC8 is not afraid of the solid-state voice integrated circuit of recording and playbacking of power down, S1 is the voice playback switch, and S2 is a recording switch; Before using, S2 is opened, can record 20 seconds voice and chimes of doom by microphone MIC; S1 is opened, can emit the voice and the chimes of doom that record.

The utility model has been owing to adopted integrated circuit, thereby its peripheral cell is few, the power consumptive province, volume is small and exquisite, installation is easy, cost is low, therefore, can be widely used in the anti-theft protection of home dwelling, industrial and mining enterprises, warehouse, safety cabinet, the valuable historical relic in museum.

Claims

1. household radio burglar alarm, it is characterized in that constituting by alarm transmission device and alarm receiver, and the alarm transmission device is by housing and interior sensor thereof, siren acoustical generator 3, trigger delayer 4, wireless launcher 5 and power supply are formed, alarm receiver is by housing and interior wireless receiver 6 thereof, solid-state voice recorder 7 and power supply are formed, siren acoustical generator 3 comprises integrated circuit (IC) 6 and loudspeaker SD3, trigger delayer 4 comprises integrated circuit (IC) 2 and IC5, capacitor C 6 and C7 and resistance R 12, wireless launcher 5 comprises integrated circuit (IC) 7, triode BG3, crystal resonator KDS1, capacitor C 8 and C9, inductance L 1, resistance R 14 and antenna, wireless receiver 6 comprises inductance L 2, antenna L3, capacitor C 3 and C4, triode BG4 and BG5 and BG6 and BG7 and BG8, crystal resonator KDS2, solid-state voice recorder 7 comprises integrated circuit (IC) 8, microphone MIC, loudspeaker SD1.

2. household radio burglar alarm according to claim 1 is characterized in that sensor is a touch sensor 1, comprises integrated circuit (IC) 1, diode D1 and D2 and D3, capacitor C 1 and C2, resistance R 1 and R2 and R3, touch point A.

3. household radio burglar alarm according to claim 2 is characterized in that integrated circuit (IC) 1 is the integrated circuit of CD4069 model.

4. household radio burglar alarm according to claim 1 is characterized in that sensor is a vibration transducer 2, comprises integrated circuit (IC) 3 and IC4, vibration sensing head YD, triode BG1 and BG2, capacitor C 3, resistance R 6.

5. household radio burglar alarm according to claim 4 is characterized in that integrated circuit (IC) 3 is the integrated circuit of NE555 model; Integrated circuit (IC) 4 is the integrated circuit of CD4017 model.

6. household radio burglar alarm according to claim 2, it is characterized in that integrated circuit (IC) 2 is the power switch circuit of TWH8778 model, integrated circuit (IC) 5 is the integrated circuit of NE555 model, integrated circuit (IC) 6 is the warning integrated circuit of KD9561 model, integrated circuit (IC) 7 is the integrated circuit of CD4069 model, and integrated circuit (IC) 8 is the integrated circuit of QX402 model.

7. household radio burglar alarm according to claim 1 is characterized in that solid-state voice recorder 7 goes back external loudspeaker SD2.

8. household radio burglar alarm according to claim 1 is characterized in that solid-state voice recorder 7 also has LED 1.

9. household radio burglar alarm according to claim 1 is characterized in that also having light emitting transistor LED2 on the housing of alarm transmission device.