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Infrared alarm device

A technology of infrared alarm and infrared receiving tube, which is applied to alarms, anti-theft alarms, instruments, etc., can solve the problems of high false alarm rate and failure to work normally, and achieve fast response, convenient anti-theft service, and good practical value Effect

Inactive Publication Date: 2014-05-28
CHENGDU BOSSE INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past anti-theft systems, technical measures such as pyroelectric and microwave were generally used to collect human body intrusion signals. These have good results when applied indoors. The proposed measures have a very high rate of false alarms in actual use, and sometimes even fail to work properly

Method used

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  • Infrared alarm device

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Embodiment Construction

[0017] An infrared alarm device is characterized in that it comprises an inverter CC4069, infrared receiving tubes VR1-VR5, infrared emitting tubes VD1-VD4, a single-chip microcomputer, and the 1A-4A pins of the inverter CC4069 are followed by infrared emitting tubes VD1-VD4, , the 1Y-6Y pins of the inverter CC4069 are connected to the P1.0-P1.5 pins of the single-chip microcomputer in turn, the P0.0-P0.3 pins of the single-chip microcomputer are connected to the infrared receiving tube VR1-VR5 in turn, and the P2.0 of the single-chip microcomputer Resistor R3 is connected, resistor R3 is connected to transistor Q1, resistor R3 is connected to the base of transistor Q1, the emitter of transistor Q1 is connected to one end of the speaker, the other end of the speaker is grounded, the collector of transistor Q1 is connected to the positive pole of the power supply, and RESET of the microcontroller is connected to reset circuit. Pin 31 of the MCU is connected to a high level, usi...

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Abstract

The invention relates to the technical field of security, and provides an infrared alarm device which comprises an inverter CC4069, infrared receiving tubes from VR1 to VR5, infrared transmitting tubes from VD1 to VD4 and a single chip microcomputer. Pins from 1A to 4A of the inverter CC4069 are successively connected with the infrared transmitting tubes from VD1 to VD4. Pins from 1Y to 6Y of the inverter CC4069 are successively connected with pins from P1.0 to P1.5 of the single chip microcomputer. Pins from P0.0 to P0.3 of the single chip microcomputer are successively connected with the infrared receiving tubes from VR1 to VR5. A pin P2.0 of the single chip microcomputer is connected with a resistor R3. The resistor R3 is connected with a triode Q1. The resistor R3 is connected with the base of the triode Q1. The emitter of the triode Q1 is connected with one end of a loudspeaker, and the other end of the loudspeaker is grounded. The collector of the triode Q1 is connected with the positive pole of a power supply. RESET of the single chip microcomputer is connected with a reset circuit. The infrared alarm device provided by the invention has the advantages of good compatibility, fast response speed, strong anti-interference ability, simple peripheral circuit and small size, and carries out infrared transmitting directly through a transmitting module.

Description

technical field [0001] The invention relates to the field of security technology and provides an infrared alarm device. Background technique [0002] With the establishment of my country's market economy system and the development of science and technology, my country's security industry continues to advance, and the security market has become an emerging high-tech market with great potential that reflects the close integration of public security and technology defense. Development offers rare opportunities. And the domestic security industry is rapidly integrating with international standards. Our country has the largest security product market in the world, which is our greatest advantage. The security industry in developed countries in Europe and the United States has developed rapidly on the basis of the original, and its rapid growth can also be foreseen in other developing countries, such as Asia, Latin America, Eastern Europe, Africa and the Middle East. There are al...

Claims

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Application Information

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IPC IPC(8): G08B13/183
Inventor 廖望
Owner CHENGDU BOSSE INFORMATION TECH
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