Solar blind type air inflation ultraviolet detector and manufacturing method thereof
A technology of an ultraviolet detector and a manufacturing method, which is applied in the field of solar-blind gas-filled ultraviolet detectors and the manufacturing thereof, can solve the problems of insufficient sensitivity and large error in detection results, and achieves high sensitivity, wide detection angle, and large contact area. Effect
Active Publication Date: 2013-01-02
HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE
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Problems solved by technology
However, the sensitivity of the current gas-filled ultraviolet detectors is not good enough, which leads to large errors in detection results in actual detection
Method used
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[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0043] see figure 1 , which is a schematic diagram of the composition and structure of the solar-blind gas-filled ultraviolet detector 100 provided by the embodiment of the present invention. The solar-blind gas-filled ultraviolet detector 100 includes a molybdenum-group transparent purple glass envelope 10 and a stem 20 housed in the molybdenum-group transparent purple glass bulb 10 .
[0044] The shape of the molybdenum-group transparent purple glass bulb 10 is similar to that of a common test tube. One end is a crown-shaped closed end 12 and the other end is a circular open end 14 . The molybd...
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The invention relates to a solar blind type air inflation ultraviolet detector. The detector comprises a core column and a molybdenum component uviol glass bulb which is used for accommodating the core column and integrated with the core columnin a sealing mode, the core column comprises an anode, a cathode, an exhaust pipe, an anode fulcrum bar lead wire and a cathode fulcrum bar lead wire, the anode fulcrum bar lead wire and the cathode fulcrum bar lead wire are installed in the core column, one end of the anode fulcrum bar lead wire extends into the molybdenum component uviol glass bulb and connected with the anode, and one end of the cathode fulcrum bar lead wire extends into the molybdenum component uviol glass bulb and connected with a photoelectric cathode. The photoelectric cathode is in a semispherical shape, and the end of the anode fulcrum bar lead wire extending into the molybdenum component uviol glass bulb is bent to be curved so that the anode is manufactured. According to the solar blind type air inflation ultraviolet detector, the photoelectric cathode which is in the semispherical shape has a large contact area, and thereby the sensitivity is excellent. A manufacturing method of the solar blind type air inflation ultraviolet detector is further provided.
Description
technical field [0001] The invention relates to a detector and a manufacturing method thereof, in particular to a sun-blind gas-filled ultraviolet detector and a manufacturing method thereof. Background technique [0002] Flame radiation is gas radiation with discrete spectrum and solid radiation with continuous spectrum. Its wavelength is in the range of 0.1-10 μm or wider. In order to avoid the interference of other signals, ultraviolet rays with a wavelength of <300nm are often used, or unique in flames. The CO2 radiation spectrum with a wavelength around 4.4 μm is used as the detection signal. The gas-filled ultraviolet detector only responds to ultraviolet rays in a narrow range of 185nm to 260nm, but is insensitive to light in other spectral ranges. It can be used to detect ultraviolet rays in flames. The sunlight reaching the ground below the atmosphere and the non-purple-transparent material used as the electric light source of the glass bulb emit light with a ...
Claims
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IPC IPC(8): H01J40/16H01J40/06H01J9/02H01J9/18
Inventor 吴华夏胡海城唐勇
Owner HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE