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Multiband spectrum detecting instrument

A multi-band, detector technology, used in color/spectral characteristics measurement, instruments, measuring devices, etc., can solve the problems of insufficient light concentration and low resolution, and achieve the effects of stable charging and discharging, high temperature resistance, and fast heat dissipation

Inactive Publication Date: 2007-03-07
史向阳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problem of low resolution caused by insufficient concentration of light in multi-band spectral detectors in the prior art, the present invention provides a multi-band spectral detector with good light-gathering measures and high concentration of light

Method used

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  • Multiband spectrum detecting instrument
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Referring to Figures 1, 2, and 3, a multi-band spectral detector includes a light aluminum casing, a gas discharge bulb 2 installed on a lamp holder 1, and a high-temperature aluminum reflective bowl 3. The reflective surface of the high-temperature aluminum reflective bowl 3 presents an edge shape. The gas discharge bulb 2 is connected to a lithium battery power supply through wires, and the lithium battery power supply is connected to a power switch 4 . The gas discharge bulb 2 is located in the high temperature aluminum reflective bowl 3 and is coaxial with the high temperature aluminum reflective bowl 3 . There is a turntable 5 in front of the high-temperature aluminum reflective bowl 3, and the turntable 5 is provided with a filter 6 for selecting the wavelength of light. Lens 7 for focusing light. Components are housed in a lightweight aluminum housing.

[0020] Described lens is provided with first convex lens 9 and the second convex lens 10, and described fir...

Embodiment 2

[0025] Referring to Figures 1, 2 and 3, the thickness of the thickest part of the first convex lens is 6.6 mm, the thickness of the thickest part of the second convex lens is 7.1 mm, and the distance between the bulb and the second convex lens is 12 cm.

[0026] An axial flow fan 8 is also installed in the housing as an air cooling device, and the axial flow fan 8 is connected with the lithium battery power supply through wires. The air-cooling device can prevent the lamp from heating up and affecting the use effect when it is used for a long time. The rest of the structure and implementation are the same as in Embodiment 1.

Embodiment 3

[0028] The thickness of the thickest part of the first convex lens is 6.8 mm, the thickness of the thickest part of the second convex lens is 6.9 mm, and the distance between the bulb and the second convex lens is 14 cm.

[0029] The lithium battery power supply is connected to a charger, and the charger is provided with a charging circuit and an over-discharge protection circuit to achieve stable and safe charging and discharging. The rest of the structure and implementation are the same as in Embodiment 1.

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Abstract

This invention relates to multi-band spectrum test machine, which comprises shell, bulb on the socket and the reflection bowl, wherein, the said bulb is connected to power through wire; the said power is connected to the power switch and the bulb is located within reflection bowl with same axis to the reflection bowl; the said reflection bowl front is set with rotation panel set with filter slice for certain wave band; the said rotation panel front is used to focus the light through filter slice. The invention is characterized by the following: the said lens is located with first and second convex lens with the first one in front of the second one.

Description

(1) Technical field [0001] The invention relates to a multi-band spectrum detector. (2) Background technology [0002] The multi-band spectrum detector is a new type of public security scientific instrument developed and developed mainly by criminal investigation and department departments. It is suitable for fingerprints, bloodstains, body fluids (semen, saliva, vaginal secretions, urine) marks, etc.), fibers, gunshot residue, damage bite marks, hair and trace marks, etc. As a lighting source, it can be used for various forms of photography such as ultraviolet, visible light and infrared reflection photography and fluorescence photography. Its infrared light output can also be used for document inspection. It is small in size and light in weight, and is suitable for both laboratories and criminal scenes. It is an ideal equipment for physical evidence identification and criminal scene investigation. [0003] Each substance has its specific absorption spectrum and emission ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/00G01N21/25G01N21/62
Inventor 史向阳
Owner 史向阳
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