Plate fixing device for measuring heat transfer coefficient of plate

Abstract

The utility model discloses a plate fixing device for measuring the heat transfer coefficient of a plate. The plate fixing device comprises a clamping assembly and a sliding plate, the clamping assembly comprises a clamping part and a first baffle; the first baffle is parallel to the width direction of the clamping part and is vertically connected with the upper surface of the clamping part; the clamping assembly is clamped on the frame edge of the sample frame, and the first baffle is parallel to the plane where the frame edge of the sample frame is located; the sliding plate comprises a sliding bottom plate and a second baffle plate, and the second baffle plate is vertically connected with the sliding bottom plate; the sliding plate is installed on the clamping assembly, the second baffle and the first baffle are arranged in parallel, and a plate to be tested is clamped between the first baffle and the second baffle. Through the design of the clamping assembly and the sliding plate, a plate can be effectively clamped and fixed in the sample frame, the plate with the thickness smaller than 3 cm can be stably fixed in the sample frame, displacement and deformation are prevented, the accuracy of a test result is improved, and practicability is high.

Description

Technical Field

[0001] This utility model relates to the field of engineering technology, and in particular to a plate fixing device for measuring the heat transfer coefficient of a plate. Background Technology

[0002] In the fields of building construction and decoration engineering, it is often necessary to measure the heat transfer coefficient of the boards.

[0003] When determining the heat transfer coefficient, the plate to be tested should first be placed in the sample frame, then placed in the heating chamber, and the test surface of the plate should be made completely parallel to the contact surface of the measuring chamber.

[0004] However, since the inner surface of the sample frame is flat, it is difficult for plates with a thickness of less than 3cm to stand stably in the sample frame during actual testing. When the measuring box is closed, the plate usually shifts or deforms and is no longer parallel to the contact surface of the measuring box, which affects the temperature balance of the measuring box, increases the experimental time and energy consumption, and affects the accuracy of the experimental results. Utility Model Content

[0005] This invention provides a plate fixing device for measuring the heat transfer coefficient of a plate, which solves the problem of inaccurate test results for plates with a thickness of less than 3cm due to unstable placement in the prior art.

[0006] To solve the above-mentioned technical problems, this utility model provides a plate fixing device for measuring the heat transfer coefficient of a plate, including: a clamping assembly and a sliding plate;

[0007] The clamping assembly includes a clamping part and a first baffle; the first baffle is arranged parallel to the width direction of the clamping part and is perpendicularly connected to the upper surface of the clamping part.

[0008] The sliding plate includes a sliding base plate and a second baffle plate, with the second baffle plate being perpendicularly connected to the sliding base plate to form an "L" shaped structure.

[0009] The clamping assembly is located inside the sample frame, the clamping part is clamped on the frame edge of the sample frame, and the first baffle is parallel to the plane where the frame edge of the sample frame is located.

[0010] The sliding plate is mounted on the clamping assembly, the sliding base plate is mounted on the clamping part, the second baffle is arranged parallel to the first baffle, and the plate to be tested is installed in the sample frame and clamped between the first baffle and the second baffle.

[0011] In a preferred embodiment of the present invention, the clamping part includes a base plate, a first clamping plate, and a second clamping plate; the first clamping plate and the second clamping plate are respectively perpendicularly connected to the base plate and located on the same side of the base plate; the first baffle is perpendicularly connected to the base plate and located on the other side of the base plate.

[0012] In a preferred embodiment of the present invention, the distance between the first clamping plate and the second clamping plate is greater than or equal to the width of the frame side of the sample frame.

[0013] In a preferred embodiment of the present invention, the side of the base plate connected to the first baffle is also provided with a slide rail, and the sliding base plate is connected to the slide rail.

[0014] In a preferred embodiment of this utility model, the widths of the first baffle, the sliding base plate, and the second baffle are the same.

[0015] In a preferred embodiment of this utility model, the width of the first baffle, the sliding base plate, and the second baffle is 20-50cm.

[0016] In a preferred embodiment of this utility model, the sample frame is a rectangular frame structure.

[0017] The beneficial effects of this utility model are as follows: This utility model provides a plate fixing device for measuring the heat transfer coefficient of a plate. Through the design of the clamping components and the sliding plate, the plate can be effectively clamped and fixed in the sample frame, so that plates with a thickness of less than 3cm can be stably fixed in the sample frame, preventing displacement and deformation, thereby improving the accuracy of the test results. The plate fixing device of this utility model is convenient to use and highly practical. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a preferred embodiment of the present invention;

[0019] Figure 2 This is a side view of the clamping assembly shown.

[0020] Figure 3 This is a schematic diagram of the plate fixing device shown in the figure, which clamps and fixes the plate within the sample frame.

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of this utility model;

[0022] The components in the attached diagram are labeled as follows:

[0023] 10. Sample frame;

[0024] 20. Clamping assembly; 21. Base plate; 22. First clamping plate; 23. Second clamping plate; 24. First baffle.

[0025] 30. Sliding plate; 31. Sliding base plate; 32. Second baffle;

[0026] 40. Sheet material; 50. Polyurethane foam material. Detailed Implementation

[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0028] Please see Figure 1-4 The embodiments of this utility model include:

[0029] Example 1

[0030] This utility model discloses a plate fixing device for measuring the heat transfer coefficient of a plate, including a clamping component 20 and a sliding plate 30 installed in a sample frame 10.

[0031] Specifically, the sample frame 10 is a rectangular frame structure.

[0032] The clamping assembly 20 is made of aluminum alloy and includes a base plate 21, a first clamping plate 22, a second clamping plate 23, and a first baffle 24. The first clamping plate 22 and the second clamping plate 23 are perpendicularly connected to the base plate 21 and located on the same side of the base plate 21. A U-shaped clamping portion is formed between the base plate 21, the first clamping plate 22, and the second clamping plate 23 for clamping the sample frame 10 along its width. The distance between the first clamping plate 22 and the second clamping plate 23 is greater than or equal to the width of the sample frame 10's edge.

[0033] The first baffle 24 is arranged on the other side of the base plate 21 in a direction parallel to the width of the first clamping plate 22 (that is, the width direction of the first baffle 24 is the same as the width direction of the clamping part or the base plate), and is perpendicularly connected to the upper surface of the base plate 21.

[0034] In this embodiment, the thickness of the base plate 21, the first clamping plate 22, the second clamping plate 23 and the first baffle 24 are all 2mm and the width is all 30cm; the length of the base plate 21 is 35.5cm and the height of the first clamping plate 22, the second clamping plate 23 and the first baffle 24 are all 10cm.

[0035] The clamping assembly 20 is located inside the sample frame 10 and is clamped on the frame edge of the sample frame 10 by the clamping part formed by the base plate 21, the first clamping plate 22 and the second clamping plate 23. The first clamping plate 22 and the second clamping plate 23 are respectively located on both sides of the frame edge and are respectively fixed to the frame edge by screws, thereby clamping and fixing the clamping assembly 20 inside the sample frame 10.

[0036] The sliding plate 30 is made of aluminum alloy and includes a sliding base plate 31 and a second baffle 32. The second baffle 32 is perpendicularly connected to the sliding base plate 31 to form an "L" shaped structure.

[0037] The sliding plate 30 is mounted on the clamping assembly 20. Specifically, the second baffle 32 is arranged parallel to the first baffle 24, and the plate 40 to be tested is installed in the sample frame 10 and clamped between the first baffle 24 and the second baffle 32.

[0038] The base plate 21 also has a slide rail 211 on the side facing the first baffle 24. The sliding base plate 31 is mounted on the slide rail 211 of the base plate 21 and can slide along the slide rail 211. In actual operation, the sliding plate 30 is slid along the slide rail 211 to a suitable position and fixed according to the thickness of the plate 40. Specifically, the sliding base plate 31 has four holes for fixing it to the base plate 21 with screws.

[0039] In this embodiment, the thickness of the sliding base plate 31 and the second baffle 32 are both 2mm, and the width is 30cm. The height of the second baffle 32 is 10cm, and the length of the sliding base plate 31 is 20cm, which is less than the width of the base plate 21, ensuring that the sliding base plate 31 can move on the base plate 21.

[0040] The method or principle of fixing the board using the above-mentioned board fixing device is as follows:

[0041] First, clamp and fix the two sets of clamping components 20 from the inside of the sample frame 10 to the middle of the top and bottom of the sample frame 10, respectively, and make the bottom plate 21 of the clamping component 20 in close contact with the inner surface of the frame edge of the sample frame 10. Connect the first clamping plate 22 and the second clamping plate 23 to the two sides of the frame edge with fastening screws to make the clamping component 20 installed stably and firmly.

[0042] Next, the plate 40 to be tested is placed from the other side of the sample frame 10 onto the base plate 21 of the upper and lower clamping components 20, and the plate 40 is placed close to the first baffle 40 of the upper and lower clamping components 20.

[0043] Next, the sliding plate 30 is installed on the upper and lower clamping assemblies 20 respectively, and the second baffle 32 of the sliding plate 30 is parallel to the first baffle 24. The sliding plate 30 is moved along the slide rail 211 on the base plate 21 until the first baffle 24 and the second baffle 32 clamp the plate 40. The sliding base plate 31 of the sliding plate 30 is fixed to the base plate 21 by screws, thereby fixing the plate 40 and preventing displacement or deformation.

[0044] The gap between the board 40 and the template frame 10 is sealed with polyurethane foam material 50.

[0045] According to the specific requirements of the submitted test samples, they were placed indoors at (23±2)℃ until the curing period. After curing, the sample frame was pushed into the installation position, and digital temperature sensor measuring points were evenly arranged within the coverage area of ​​the metrology box. The sensors were fixed to the sample surface with aluminum foil tape, with a total of 18 measuring points on both the hot and cold sides. Testing and data recording were started according to GB / T 13475-2008 "Determination, Calibration and Protective Thermal Chamber Method for Adiabatic Steady-State Heat Transfer Properties".

[0046] This utility model discloses a plate fixing device for determining the heat transfer coefficient of plate materials. By adding a clamping component and a sliding plate inside the sample frame, it can effectively fix plates with a thickness of less than 3cm, thereby improving the accuracy of the test results.

[0047] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A plate fixing device for measuring the heat transfer coefficient of a plate, characterized in that, The utility model relates to a test sample frame, which comprises a clamping assembly and a sliding plate. The clamping assembly comprises a clamping part and a first baffle; the first baffle is connected perpendicularly to the upper surface of the clamping part, and the width direction of the first baffle is the same as the width direction of the clamping part. The sliding plate comprises a sliding bottom plate and a second baffle; the second baffle is connected perpendicularly to the sliding bottom plate, forming an "L" shape structure. The sliding plate is installed on the clamping assembly; the sliding bottom plate is installed on the clamping part, the second baffle is arranged in parallel with the first baffle, the plate to be tested is installed in the test sample frame and clamped between the first baffle and the second baffle. The clamping part comprises a bottom plate, a first clamping plate and a second clamping plate; the first clamping plate and the second clamping plate are connected perpendicularly to the bottom plate respectively and are located on the same side of the bottom plate; the first baffle is connected perpendicularly to the bottom plate and is located on the other side of the bottom plate.

2. The plate fixing device for measuring a heat transfer coefficient of a plate according to claim 1, characterized in that, The distance between the first clamping plate and the second clamping plate is greater than or equal to the width of the frame edge of the test sample frame.

3. The plate fixing device for measuring a heat transfer coefficient of a plate according to claim 2, characterized in that, The side of the bottom plate connected to the first baffle is also provided with a sliding rail; the sliding bottom plate is connected to the sliding rail.

4. The plate fixing device for measuring a heat transfer coefficient of a plate according to claim 3, characterized in that The width of the first baffle, the sliding bottom plate and the second baffle is the same.

5. The plate fixing device for measuring a heat transfer coefficient of a plate according to claim 4, characterized in that, The width of the first baffle, the sliding bottom plate and the second baffle is 20-50 cm.

6. The plate fixing device for measuring a heat transfer coefficient of a plate according to claim 5, wherein The test sample frame is a rectangular frame structure.

7. The plate fixing device for measuring a heat transfer coefficient of a plate according to claim 1, characterized in that ​

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