Constant temperature and constant pressure detection device
A verification device, constant temperature and constant pressure technology, applied in the detection field, can solve the problems of complex operation and low verification efficiency, and achieve the effect of ensuring stability, high verification efficiency, and improving verification efficiency
Pending Publication Date: 2018-07-13
深圳市艾依康仪器仪表科技有限公司
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Problems solved by technology
[0004] In the existing verification device, the temperature coefficient verification and the display value verification need to be carried out in two devices respectively, the operation is more complicated, and the verification efficiency is low
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0030] The invention provides a constant temperature and constant pressure verification device.
[0031] Such as Figure 1 to Figure 6 As shown, in this embodiment, the constant temperature and constant pressure testing device includes a housing 100 , a sealed box 200 , a testing box 300 , a pressure regulating device 400 , a temperature regulating device 500 , and a temperature compensation device 600 . in,
[0032] Such as figure 1 and figure 2...
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The invention discloses a constant temperature and constant pressure detection device which comprises a sealing box, a detection box, a pressure adjusting device and a temperature adjusting device. The sealing box is used for sealing the detection box, an air flow channel for circulating air is formed between the sealing box and the detection box, the detection box is mounted in the sealing box and used for containing a device to be detected, the pressure adjusting device is used for adjusting pressure in the detection box, so that the pressure in the detection box can be adjusted, constant pressure can be kept, the temperature adjusting device is used for adjusting the temperature of the detection box, so that the temperature in the detection box can be adjusted, and constant temperaturecan be kept. According to the technical scheme, the temperature adjusting device and the pressure adjusting device are reasonably integrated, the temperature and the pressure in the detection box canbe effectively kept constant and can be detected by the aid of one detection device, and detection efficiency is high.
Description
technical field [0001] The invention relates to the technical field of detection, in particular to a constant temperature and constant pressure verification device. Background technique [0002] The aneroid barometer uses the elastic deformation of the bellows caused by the atmospheric pressure, and converts it into the corresponding pointer rotation through the transmission mechanism to measure the atmospheric pressure. [0003] The verification items of the aneroid barometer include temperature coefficient verification and indication verification. Among them, the verification of the temperature coefficient is to put the aneroid barometer into the temperature coefficient verification box, and the temperature coefficient verification is carried out at any point in the two temperature ranges of 0-5°C and 25-35°C (ie low and high temperature points). The order of the two temperature points can be selected arbitrarily, but the temperature difference must be greater than 20°C; ...
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IPC IPC(8): G01L27/00
CPCG01L27/002
Inventor 潘若宇潘敏峰陆孝芸
Owner 深圳市艾依康仪器仪表科技有限公司