Temperature control device for use in civil engineering temperature stress measurement

A temperature control device and temperature stress technology, applied in the direction of temperature control, non-electric variable control, control/regulation system, etc., can solve the problem of inability to simulate the temperature field of large-volume objects, and achieve good airtightness, flexible temperature control, The effect of uniform temperature field

Inactive Publication Date: 2010-10-20
TSINGHUA UNIV
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Problems solved by technology

[0003] Aiming at the problem that the temperature field of large-volume objects cannot be simulated in civil engineering structural tests, the present invention proposes a device for realizing a stable temperature field on both sides of larger objects such as glass plates-a temperature stress measurement device for civil engineering control device

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  • Temperature control device for use in civil engineering temperature stress measurement
  • Temperature control device for use in civil engineering temperature stress measurement
  • Temperature control device for use in civil engineering temperature stress measurement

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Embodiment 1

[0019] A temperature control device used for temperature stress measurement in civil engineering, its side view structure schematic diagram is as follows figure 1 As shown, the schematic diagram of the structure along the direction A-A is shown in figure 2 As shown, the schematic diagram of the structure along the B-B direction is as image 3 As shown, the temperature control device comprises a heating box and a cooling box, and the heating box and the cooling box are independent of each other, and are respectively placed on both sides of the object to be measured (glass specimen) 16; Layer box, and between the inner and outer two-layer box (inner box 12 and outer box 13), fill the insulation foam 5 to keep the temperature in the box constant; 14, the heating plate 4 is fixed so that the air temperature in the box can be raised, and in order to make the heat spread evenly, an iron plate 2 is installed on the outside of the heating plate 4; Refrigeration pipe 8, the hole on ...

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Abstract

The invention discloses a temperature control device for use in civil engineering temperature stress measurement, which belongs to the technical field of glass curtain wall temperature control. The temperature control device comprises a heating box and a cooling box, which are independent of each other and are positioned on two sides of a measured object, wherein both the heating box and the cooling box have an open double-layer box body, and thermal-insulation foam is filled between the inner-layer box bodies and the out-layer box bodies; the bottom surfaces of the inner-layer box bodies of the heating box and the cooling box are both fixed with a heating plate and iron plates are arranged on the outer side of the heating plates; cooling pipes are arranged between the inner-layer box body and the iron plate of the cooling box and is provided with holes for charging liquid nitrogen for cooling; and thermocouples are arranged in the box bodies of the heating box and the cooling box, the heating box is provided with openings, and fans are arranged in the box bodies on the outer sides of the iron plates. The whole device is well sealed, the temperature fields are uniform, and the influence of various side effects caused by temperature on a test piece is slight. The temperature control is flexible and simple and different temperature fields are realizes conveniently on two sides of the test piece.

Description

technical field [0001] The invention belongs to the technical field of temperature control of structural engineering glass curtain walls in civil engineering, in particular to the measurement and research of temperature stress of energy-saving curtain wall glass panels, and in particular to a temperature control device for measuring temperature stress in civil engineering. Background technique [0002] Ordinary single-layer glass curtain wall has poor thermal insulation effect. In recent years, various energy-saving glass has been applied to curtain wall. However, the application of energy-saving glass has greatly changed the temperature field of the curtain wall while achieving a good thermal insulation effect. The temperature stress research of the curtain wall is mostly carried out under the condition that the overall temperature of the glass changes uniformly, and the research on the mechanical performance of energy-saving glass, such as insulating glass, etc. under the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/22F25B29/00
CPCY02B30/765Y02B30/70
Inventor 石永久孙巍王元清施刚
Owner TSINGHUA UNIV
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