Unlock instant, AI-driven research and patent intelligence for your innovation.

Smoke Detectors

A smoke detector and infrared technology, applied in the field of smoke detectors, can solve the problems of weak stability and sensitivity, easy interference of received signals, etc., and achieve the effect of improving sensitivity

Active Publication Date: 2020-10-02
SHENZHEN TANDA TECH
View PDF10 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a smoke detector to solve the technical problems in the prior art that the received signal is easily interfered, and the stability and sensitivity are weak

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Smoke Detectors
  • Smoke Detectors
  • Smoke Detectors

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0029] Furthermore, please also refer to Figure 1 to Figure 3 , as a specific implementation of the smoke detector provided by the present invention, the smoke detector also includes a chip cover 3 and a base 1, the chip cover 3 is connected to the base 1 and an internal space is formed between the two, and the circuit board 5 is arranged on The inner space is connected and fixed with the base 1; the chip cover 3 is formed with a through hole 32 corresponding to the infrared receiving window, and the size of the through hole 32 is greater than or equal to the size of the infrared receiving window. In this way, the optical darkroom is surrounded by the optical darkroom cover 4 and the chip cover 3, so that the circuit board 5 and the smoke will not directly contact, so the chip cover 3 can protect the circuit board 5 from pollution of the smoke, and can effectively extend the smoke detector. service life.

[0030] Furthermore, please also refer to Figure 1 to Figure 3 , as ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A smog detector provided by the present invention comprises a circuit board, and also comprises an integrated chip which is arranged on the circuit board, integrates an infrared receiving tube and a microcontroller and is equipped with an infrared receiving window used for transmitting the infrared signals; an optical darkroom cover, wherein the circuit board is covered by the optical darkroom cover and encloses with the optical darkroom cover to form an optical darkroom, and a ventilated structure is formed on the optical darkroom cover; an infrared generating device used for generating the infrared light and arranged in the optical darkroom. According to the smog detector of the present invention, the infrared receiving tube and the microcontroller are integrated in the same integrated chip, thereby saving a conditioning circuit, saving the cost and improving the stability of the smog detector; in addition, the infrared receiving window for receiving the signals is arranged in the optical darkroom, and the optical darkroom cover isolates the external light rays, so that the received signals are not interfered and are very stable, and the sensitivity of the smog detector is improved.

Description

technical field [0001] The invention belongs to the field of fire protection, and more specifically relates to a smoke detector. Background technique [0002] Photoelectric smoke detection products are made based on the basic principle that when a fire occurs, light will absorb and scatter light when it encounters fire smoke particles. The traditional technical solutions all use discrete infrared emitting tubes and infrared receiving tubes to complete the sending and receiving of infrared light. Since the real receiving signal is very weak, a special receiving conditioning circuit is required between the receiving tube and the microcontroller to filter and amplify the signal before it can be recognized by the microcontroller. In the signal conditioning process, the weak received signal is particularly susceptible to interference, and the intruding interference will also be amplified, resulting in distortion of the received signal waveform, thereby reducing the stability and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01V8/10
CPCG01V8/10
Inventor 宋佳城陈宇弘靳东风张男
Owner SHENZHEN TANDA TECH
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com