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Particle counter type smoke detector

A smoke detection and particle meter technology, which is used in measurement devices, particle suspension analysis, scattering characteristics measurement, etc. question

Active Publication Date: 2006-04-26
SHENYANG FIRE RES INST OF MEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the common type of smoke detector widely used in these places is limited by factors such as low detection sensitivity, which is insufficient for the very early detection of fire. It basically belongs to the confirmation detection of fire, and it is difficult to predict and predict fire The function of fire prevention cannot meet the requirements for super early detection and alarm of fire

Method used

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  • Particle counter type smoke detector
  • Particle counter type smoke detector
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Embodiment Construction

[0018] Such as Figure 1-4 As shown, the device of the present invention includes a laser 1, a laser beam spatial correction lens 2, a beam spatial filter tube 3, a detection chamber 4, a laser bracket 5, a smoke detection lens assembly 6, a smoke detector bracket assembly 7, and a smoke scattering detector A , Smoke detector fault detection luminous tube B, light guide hole C, reflector D, where the smoke detection lens assembly 6 includes objective lens 6A, objective lens threaded pressing ring 6B, external threaded lens tube 6C and locking ring 6D outside the tube, smoke The detector bracket assembly 7 includes an upper bracket 7A, a lower bracket 7B, an eyepiece 7C, and an eyepiece screw pressing ring 7D.

[0019] Among them, the laser bracket 5 and the detection chamber 4 are fixed as a whole; the laser 1 and the laser beam spatial correction lens 2 are connected into one body by threads, and the laser 1 is fixed on the laser bracket 5 by 4 screws up, down, left and right, and...

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Abstract

The invention discloses a particle counting aerosol detecting device, which comprises the following parts: laser, laser beam spatial correcting lens, laser beam spatial filtering pipe, detecting room, laser beam rack, aerosol detecting lens component, aerosol detector tray component, aerosol scattering detector, aerosol detector accident detecting luminotron, light hole and deflector plate. The device realizes the darkest background design of aerosol particle counting detection, minimal scattering action region and detecting field of vision design of single particle scattering impulse counting detection, which affirms the structure need of single aerosol highest sensibility particle impulse scattering signal.

Description

Technical field [0001] The invention belongs to the technical field of fire detection and alarm, and can also be applied to the field of clean technology, and particularly relates to a particle meter type smoke detection device. Background technique [0002] With the development of my country's economic construction, some special places that play a vital role in the national economy and social life, such as computing centers, graphic archives information centers, post and telecommunications hubs, integrated circuit production workshops, nuclear power plants, large-scale modern dispatching Control centers, intelligent building control centers, modern medical institutions, etc., have increasingly urgent requirements for fire safety. Due to the high concentration of various internal electrical equipment and long-term operation, there are many hidden dangers of fire. Once a fire occurs, it will cause great economic losses to the country and have a significant impact on the society. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06G01N21/53G08B17/107
Inventor 王文青余广智梅志斌王勇俞刘玉宝
Owner SHENYANG FIRE RES INST OF MEM
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