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Temperature regulation system used for environment chamber

The technology of a temperature regulation system and an environmental chamber is applied in the field of detection equipment for the release of gaseous chemical pollutants. cost reduction effect

Active Publication Date: 2015-08-05
北京鸿远通达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the temperature adjustment system of this structure can effectively adjust the temperature in the environmental chamber and ensure the uniformity of the temperature in the inner chamber, in order to ensure the uniformity of the temperature in the inner chamber, it is usually necessary to set a relatively thick The interlayer, in this way, will make the environmental chamber take up more space, thereby increasing the cost of the environmental chamber

Method used

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  • Temperature regulation system used for environment chamber

Examples

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Embodiment 1

[0031] Such as Figure 1-3 As shown, the embodiment of the present invention provides a temperature regulation system for an environmental chamber, including: a constant temperature water unit 1, a heat exchange tube curtain 4, a uniform temperature layer 8, an insulation layer 9 and an expansion tank 5;

[0032] The water supply end of the constant temperature water unit 1 communicates with the water inlet end of the heat exchange tube curtain 4 through the pipeline 3, the water outlet end of the heat exchange tube curtain 4 communicates with the return water end of the constant temperature water unit 1 through the pipeline 3, and the expansion tank 5 passes through The pipeline 3 is connected to the return water end of the constant temperature water unit 1, and the expansion tank 5 is installed above the temperature adjustment system (see figure 1 );

[0033] The heat exchange tube curtain 4 is composed of a plurality of heat exchange tubes 7 connected in parallel at interv...

Embodiment 2

[0072] The environmental chamber in this example is a 30m 3 The large-scale VOC test chamber has an internal temperature control range of 15-35°C and a temperature fluctuation of ±0.5°C. After calculation, a low-temperature constant-temperature circulator is selected as the constant-temperature water unit. This constant temperature circulator can provide constant temperature water from 0 to 100°C, the water temperature fluctuation is ±0.05°C, and the water volume and total cooling and heating power meet the design requirements. The unit is equipped with a water pump for external water circulation. Under the maximum cooling and heating load, the temperature difference between the supply and return water is less than 2°C, and the water volume and head have been checked to meet the design requirements.

[0073] The piping is a conventional design, and will not be repeated here.

[0074] The heat exchange tube curtain chooses a PE tube, The distance between the centers of the t...

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Abstract

The invention discloses a temperature regulation system used for an environment chamber, relates to indoor environment inspection equipment, and is particularly applied to the field of detection equipment for release amount of gaseous chemical pollutants of indoor building material and articles. The temperature regulation system comprises a constant temperature water machine set, a heat exchange pipe curtain, a uniform temperature layer, an insulating layer and an expansion tank; the heat exchange pipe curtain is composed by connecting multiple heat exchange pipes at intervals and in parallel; the inner diameter of each heat exchange pipe is 2-4 mm, the outer diameter of each heat exchange pipe is 3-5 mm, and each heat exchange pipe is fixedly attached to the outer wall surface of the inner cabin of the environment chamber. According to the invention, heat exchange pipes with very small pipe diameter are adopted to form the heat exchange pipe curtain to realize heat delivery, so that the space occupied by the temperature regulation system is small; meanwhile, the uniformity of the temperature of the inner cabin is ensured through the uniform temperature layer. Therefore, the temperature regulation system provided by the embodiment of the invention saves space occupied by the temperature regulation system, and reduces cost of the environment chamber.

Description

technical field [0001] The invention relates to indoor environment inspection equipment, in particular to the field of detection equipment for the release of gaseous chemical pollutants from indoor building materials and articles, and in particular to a temperature adjustment system for an environmental chamber. Background technique [0002] People spend most of their life indoors, and the quality of indoor air affects the comfort, health and work efficiency of the occupants. Indoor air pollutants include formaldehyde, volatile organic compounds (VOC) and particulate matter, etc., which originate from articles, building materials, decoration materials and electrical products in the living room. In order to control the emission of pollutants from the source and ensure a healthy indoor environment, relevant standards at home and abroad have stipulated the emission limits of various pollutants. To carry out these standards, accurate measurement of pollutant emission (rate) is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00
CPCF24F5/0089
Inventor 杜世元
Owner 北京鸿远通达科技有限公司
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