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Human body metabolism heat production measuring device and method based on closed space carbon dioxide concentration change

A concentration change, carbon dioxide technology, used in measurement devices, diagnostic recording/measurement, analysis of gas mixtures, etc., can solve the problems of complex heat exchange, inability to accurately measure heat dissipation, etc., to achieve a wide range of applications, reduce measurement costs, and measurement results. accurate effect

Pending Publication Date: 2021-08-24
TONGJI UNIV
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Problems solved by technology

The feature of this invention is to directly calculate the heat dissipation of the human body through the numerical model of human body heat dissipation. However, due to the various shapes of the human body, complex clothing, and extremely complicated heat exchange with the environment, it is almost impossible to accurately measure the heat dissipation in three forms: convection, evaporation and radiation.

Method used

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  • Human body metabolism heat production measuring device and method based on closed space carbon dioxide concentration change
  • Human body metabolism heat production measuring device and method based on closed space carbon dioxide concentration change
  • Human body metabolism heat production measuring device and method based on closed space carbon dioxide concentration change

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Embodiment 1

[0036] like figure 1 As shown, the present invention is based on the closed cabin CO 2 The device for measuring human metabolic heat production by concentration change includes: a highly airtight structural space module 1, an accident risk monitoring module, a motion regulation module 3, an environment control module 4, and a metabolite detection module 5 (i.e., CO 2 Concentration detection module), an air mixing module 6.

[0037]The highly airtight structural space module 1 is connected to the accident risk monitoring module and part of the environmental control module 4 respectively, the motion regulation module 3 is located inside the highly airtight structural space module 1, and the air mixing module 6 is located on the top of the highly airtight structural space module 1 , the metabolite detection module 5 is located on the diagonal of the chamber. The highly airtight structure space module 1 is a 2.5×2.5×2.5m 3 The small cabin is mainly composed of cast-in-place rei...

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Abstract

The invention relates to a human body metabolism heat production measuring device and method based on closed space carbon dioxide concentration change. The device comprises: a closed structure space module; an accident risk prevention module which is connected with the structure space module and used for preventing accident risks and safety problems in the structure space module; a motion adjusting module which is arranged in the structure space module and is used for adjusting the motion state of the measured object; an environment control module which has a temperature and humidity adjusting function; and a metabolite detection module which is arranged in the structure space module and is used for detecting the CO2 concentration in the structure space module in real time. Compared with the prior art, the method has the advantages of being high in accuracy, small in measurement difficulty and good in economical efficiency, and can be widely applied to the field of building environment human body thermal comfort research.

Description

technical field [0001] The invention belongs to the technical field of measuring human metabolic heat production, and relates to a measurement device and method for human metabolic heat production based on changes in carbon dioxide concentration in a closed space. Background technique [0002] Human thermal comfort is a basic scientific issue in the field of architectural environment research, and it is also an important basis for creating a comfortable and energy-saving architectural environment. Among the factors affecting human thermal comfort, metabolic heat production directly affects the thermal balance of the human body, and is a basic parameter for thermal comfort research. Therefore, accurate description of human metabolic heat production is the cornerstone of thermal comfort research in building environments. In the field of architectural environment design, the method of the typical activity state corresponding to metabolic heat production in the ISO8996 standard ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00G01N33/00G06F17/10
CPCA61B5/4866G01N33/004G06F17/10
Inventor 罗茂辉张静思周翔
Owner TONGJI UNIV
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