Intellectualized, rapid measuring cold mirror dew point instrument

A dew point meter and dew point technology, applied in the direction of material water content, etc., can solve the problems of poor measurement stability, poor heat dissipation performance of the instrument, insufficient refrigeration capacity of the instrument, etc., and achieve the effect of ensuring stable performance and improving thermal conductivity.

Inactive Publication Date: 2007-07-25
丁五行 +1
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Problems solved by technology

[0003] The radiator of the existing chilled mirror dew point meter adopts an integral aluminum fin-shaped heat sink to dissipate heat, and the bottom surface of the radiator device is bonded to the outer bottom surface of the substrate with a heat-conducting paste. The heat dissipation performance of the instrument is poor, resulting in insufficient cooling capacity of the instrument Poor measurement stability and long measurement time
In addition, the controller of the instrument generally adopts the PID adjustment control method, and the equilibrium stabilization time is long. It needs to go through a process similar to damped oscillation many times to finally reach the equilibrium point, which also makes the stability of the instrument unsatisfactory and affects the speed of measurement.

Method used

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  • Intellectualized, rapid measuring cold mirror dew point instrument

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0013] As shown in Figure 1, the dew point chamber of the dew point meter includes a beam splitter 1, a mirror 2, a semiconductor refrigerator 3, a screw cover 4, and a base body. The base body adopts a split type and is divided into upper and lower parts. The functional body, the lower block 6 of the base body is used as a heat-conducting functional body, and a sealing ring is added between the two and tightly connected with screws to form a cavity. Compared with the existing one-piece structure, the split-type structure can facilitate the operation when the semiconductor refrigerator 3 is pasted on the inner surface of the substrate, thereby ensuring the pasting quality and heat dissipation effect of the refrigerator. The heat dissipation system of the dew point meter adopts a heat pipe radiator, which includes heat pipes 7 and fins 8, and is...

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Abstract

A dew point apparatus of cold mirror is prepared for forming dew point chamber by coil cover, base body in separation mode, beam splitter, mirror surface and semiconductor-refrigerator; forming heat radiation unit by heat tube radiator and fan; setting DSP fuzzy controller in control unit and connecting bottom of dew point chamber to heat radiation unit.

Description

technical field [0001] The invention relates to a dew point measuring instrument, which measures the moisture content in gas by testing the dew point. Background technique [0002] Chilled mirror dew point meter is a typical photoelectric dew point meter, which adopts thermoelectric refrigeration method, captures dew or frost by mirror surface, judges dew point by photoelectric method, and measures dew point by platinum resistance thermometer. [0003] The radiator of the existing chilled mirror dew point meter adopts an integral aluminum fin-shaped heat sink to dissipate heat, and the bottom surface of the radiator device is bonded to the outer bottom surface of the substrate with a heat-conducting paste. The heat dissipation performance of the instrument is poor, resulting in insufficient cooling capacity of the instrument Poor measurement stability and long measurement time. In addition, the controller of the instrument generally adopts the PID adjustment control method,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/68
Inventor 丁五行李宝明李群丁贤源杭志峰
Owner 丁五行
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