CN209486021U - Cool and hot box method heat transfer coefficient detection device - Google Patents
Cool and hot box method heat transfer coefficient detection device Download PDFInfo
- Publication number
- CN209486021U CN209486021U CN201822125196.3U CN201822125196U CN209486021U CN 209486021 U CN209486021 U CN 209486021U CN 201822125196 U CN201822125196 U CN 201822125196U CN 209486021 U CN209486021 U CN 209486021U
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- temperature control
- hot tank
- coil pipe
- temperature
- test specimen
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Abstract
The utility model provides a kind of cool and hot box method heat transfer coefficient detection device, including hot tank, ice chest, temperature control component and test specimen frame, the temperature control component includes temperature control equipment, temperature control layer, temperature sensor and controller, temperature control layer is distributed in the thermal insulation material sandwich of layers of hot tank, temperature control equipment is connect with temperature control layer, temperature sensor is mounted in hot tank cabinet, and the controller is connect with temperature control equipment and temperature sensor respectively.The temperature control layer is temperature control coil pipe, has cycle heat exchange medium in temperature control coil pipe, temperature control equipment is connect with temperature control coil pipe by circulation line and heated to the cycle heat exchange medium in temperature control coil pipe.The utility model can adjust the intracorporal thermal balance of hot tank case, and the heat loss of hot tank cabinet is effectively reduced, and improve the detection accuracy of heat transfer coefficient.
Description
Technical field
The utility model relates to construction material detecting instrument technical fields, and in particular to a kind of cool and hot box method heat transfer coefficient inspection
Survey device.
Background technique
Construction material heat transfer coefficient detection technique is mainly cool and hot box method, and cool and hot box method is the original based on one-dimensional steady-state heat transfer
Reason establishes required temperature, wind speed and radiation condition respectively, reaches stable in the cabinet (hot tank and ice chest) of test specimen two sides
After state, measurement air themperature, the surface temperature of test specimen and cabinet wall and the power for being input to batch meter, so that it may according to public affairs
Formula calculates the thermal transport property of test specimen -- heat transfer coefficient.Cool and hot box method requires the test specimen surfaces externally and internally temperature difference not to be preferably less than 8K (about 8
Degree Celsius), room temperature keeps stablizing.But it is needed in actually detected since the heat dissipation of hot tank tank wall and indoor integrated environment influence
Heat transfer coefficient is modified, affect the detection accuracy of heat transfer coefficient.It is therefore desirable to provide a kind of novel cool and hot box method
Heat transfer coefficient detection device solves above-mentioned technical problem.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of cool and hot box method heat transfer coefficient detection device, the dresses
The intracorporal thermal balance of hot tank case can be adjusted by setting, and the heat loss of hot tank cabinet is effectively reduced, and improve the detection accuracy of heat transfer coefficient.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of cool and hot box method heat transfer coefficient inspection
Survey device, it is characterised in that: including hot tank, ice chest, temperature control component and test specimen frame, the hot tank, ice chest are a side elevation
Open spill cabinet, test specimen frame are hollow box, and test specimen frame two sides can be detected respectively with hot tank, ice chest seamless interfacing
Test block is mounted on test specimen frame center and connect with test specimen frame with sealing material, the cabinet and test specimen of the hot tank, ice chest
The frame body of frame is thermal insulation material production;The temperature control component includes temperature control equipment, temperature control layer, temperature sensor
And controller, temperature control layer are distributed in the thermal insulation material sandwich of layers of hot tank, temperature control equipment is connect with temperature control layer, temperature sensor
It is mounted in hot tank cabinet, the controller is connect with temperature control equipment and temperature sensor respectively.
As the further improvement of the technical program, it is equipped with temperature control coil pipe in the temperature control layer, has circulation in temperature control coil pipe
Heat transferring medium, temperature control equipment by circulation line connect with temperature control coil pipe and to the cycle heat exchange medium in temperature control coil pipe into
Row heating or refrigeration are adjusted.
As the further improvement of the technical program, the controller is singlechip controller.
Cool and hot box method heat transfer coefficient detection device described in the utility model, is provided in the thermal insulation material sandwich of layers of hot tank
Temperature control coil pipe can effectively reduce the invalid heat transfer of hot tank as temperature control layer, make the cabinet of hot tank always with Air Temperature in case
Degree is consistent;Temperature control coil pipe is located in thermal insulation material sandwich of layers, that is to say, that and outside is thermal insulation material in temperature control coil pipe,
Can be relatively more smooth using the process that temperature control coil pipe carries out temperature regulation to hot tank cabinet, reduce temperature fluctuation range in hot tank,
Be conducive to improve the detection accuracy of heat transfer coefficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cool and hot box method heat transfer coefficient detection device described in the utility model;
Fig. 2 is the temperature control coil pipe scheme of installation of the utility model;
Figure label are as follows: 1 hot tank;2 ice chests;3 test specimen frames;4 tested test blocks;5 temperature control equipments;6 temperature control layers;7
Temperature sensor;8 controllers;9 temperature control coil pipes.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, below in conjunction with attached drawing and
Preferred embodiment, to specific embodiment of the present utility model, structure, feature, detailed description is as follows.
It please referring to shown in Fig. 1 to Fig. 2, the utility model provides a kind of cool and hot box method heat transfer coefficient detection device, including
Hot tank 1, ice chest 2, temperature control component and test specimen frame 3, the hot tank 1, ice chest 2 are the spill cabinet of side elevation opening, examination
Part frame 3 is hollow box, and 3 two sides of test specimen frame can be detected test block 4 and be mounted on respectively with hot tank 1,2 seamless interfacing of ice chest
3 center of test specimen frame is simultaneously connect, the frame of the hot tank 1, the cabinet of ice chest 2 and test specimen frame 3 with test specimen frame with sealing material
Frame ontology is thermal insulation material production;The temperature control component includes temperature control equipment 5, temperature control layer 6, temperature sensor 7 and control
Device 8 processed, temperature control layer 6 are distributed in the thermal insulation material sandwich of layers of hot tank, and temperature control equipment 5 is connect with temperature control layer 6, temperature sensor
7 are mounted in 1 cabinet of hot tank, and the controller 8 is connect with temperature control equipment 5 and temperature sensor 7 respectively.The temperature control layer
It is equipped with temperature control coil pipe 9 in 6, there is cycle heat exchange medium in temperature control coil pipe, temperature control equipment 5 passes through circulation line and temperature control coil pipe
It connects and the cycle heat exchange medium in temperature control coil pipe is heated.The controller is singlechip controller.
When it is implemented, tested test block 4 is placed in test specimen frame 3 first, then in test specimen frame 3 and it is detected
Sealing material is smeared in 4 junction of test specimen, is consigned the test specimen frame 3 with tested test block to heat using pallet or transport vehicle
Between case and ice chest 2, by hot tank 1, ice chest 2 to 3 seamless interfacing of intermediate movement and test specimen frame;Hot tank and ice chest are separately connected often
Air temperature modification equipment and detection device (not shown) in the cabinet of rule, then can be in hot tank 1 using temperature sensor 7
Temperature is monitored, and sends a signal to controller, controller start-up temperature adjustment equipment 5, to the circulating picture-changing in temperature control coil pipe
Thermal medium is heated or is freezed adjusting, is consistent hot tank spin manifold temperature with air themperature in hot tank case, is reduced hot tank
Influence of the cabinet to gas temperature in hot tank case substantially increases the detection essence for improving cool and hot box method heat transfer coefficient detection device
Degree.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent variations under the premise of not departing from the conceptions and principles of the utility model
With modification, the range of the utility model protection should belong to.
Claims (3)
1. a kind of cool and hot box method heat transfer coefficient detection device, it is characterised in that: including hot tank, ice chest, temperature control component and test specimen frame
Frame, the hot tank, ice chest are the spill cabinet of side elevation opening, and test specimen frame is hollow box, and test specimen frame two sides can
Respectively with hot tank, ice chest seamless interfacing, tested test block is mounted on test specimen frame center and connects with test specimen frame sealing material
It connects, the frame body of the hot tank, the cabinet of ice chest and test specimen frame is thermal insulation material production;The temperature control component includes temperature
Degree adjustment equipment, temperature control layer, temperature sensor and controller, temperature control layer are distributed in the thermal insulation material sandwich of layers of hot tank, temperature tune
Section equipment connect with temperature control layer, temperature sensor is mounted in hot tank cabinet, the controller respectively with temperature control equipment and
Temperature sensor connection.
2. cool and hot box method heat transfer coefficient detection device according to claim 1, which is characterized in that be equipped in the temperature control layer
Temperature control coil pipe, there is cycle heat exchange medium in temperature control coil pipe, and temperature control equipment is connect by circulation line with temperature control coil pipe and right
Cycle heat exchange medium in temperature control coil pipe is heated.
3. cool and hot box method heat transfer coefficient detection device according to claim 1, which is characterized in that the controller is monolithic
Machine controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822125196.3U CN209486021U (en) | 2018-12-18 | 2018-12-18 | Cool and hot box method heat transfer coefficient detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822125196.3U CN209486021U (en) | 2018-12-18 | 2018-12-18 | Cool and hot box method heat transfer coefficient detection device |
Publications (1)
Publication Number | Publication Date |
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CN209486021U true CN209486021U (en) | 2019-10-11 |
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ID=68118349
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CN201822125196.3U Expired - Fee Related CN209486021U (en) | 2018-12-18 | 2018-12-18 | Cool and hot box method heat transfer coefficient detection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113640339A (en) * | 2021-05-07 | 2021-11-12 | 山东科技大学 | Material calorifics detection device |
-
2018
- 2018-12-18 CN CN201822125196.3U patent/CN209486021U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113640339A (en) * | 2021-05-07 | 2021-11-12 | 山东科技大学 | Material calorifics detection device |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20211218 |
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CF01 | Termination of patent right due to non-payment of annual fee |