CN211741134U - Full-automatic thermal conductivity coefficient measuring device for preparing thermal insulation material - Google Patents

Abstract

The utility model provides an automatic thermal conductivity measuring device for preparing thermal insulation materials, which comprises a measuring table, a gantry, thermal insulation materials to be measured, a thermal conductivity measurement unit and a suction cup structure; The surface of the table is from one side to the other; the gantry frame is fixedly installed on the horizontal plane along the moving direction of the material to be insulated; the thermal conductivity measuring unit is fixedly installed at one end of the measuring table; the suction cup structure is fixedly installed on the gantry frame through fasteners. The device is equipped with a suction cup structure and a gantry frame, and the two cooperate with each other, and the suction cup is used to absorb or deflate the surface of the heat insulating material, so as to achieve the effect of smooth movement. At the same time, this transportation process avoids The puncture and damage of the vacuum film on the surface of the thermal insulation material, in addition, the thermal conductivity measuring unit is set on the material to speed up the measurement speed, save a lot of labor, greatly shorten the working time, and improve the degree of mechanical automation.

Description

A fully automatic thermal conductivity measuring device for preparing thermal insulation materials

technical field

The utility model belongs to the field of thermal conductivity detection of vacuum thermal insulation panels, and relates to an automatic thermal conductivity measuring device for preparing thermal insulation materials.

Background technique

Vacuum insulation board, also known as VIP board, is one of vacuum insulation materials or insulation materials. It is composed of filling core material and vacuum protection surface layer. It effectively avoids heat transfer caused by air convection, so the thermal conductivity can be large. The amplitude is reduced, which can reach 0.002-0.004w/m.k, which is 1/10 of the thermal conductivity of traditional thermal insulation materials.

However, the problems existing in actual production are as follows: the vacuum film of the vacuum insulation panel is easily pierced, resulting in air leakage and air intake during transportation, reducing production efficiency and increasing costs. At the same time, thermal conductivity is an extremely important process parameter for testing the performance of vacuum insulation panels. At present, when measuring the thermal conductivity, it is necessary to manually transport the vacuum insulation panels, and test them one by one, which takes a lot of time and takes a long period of time, which is very inconvenient. .

Utility model content

In order to solve the problem of inconvenient detection of thermal conductivity of the existing vacuum insulation panels after mass production, the utility model provides a fully automatic thermal conductivity measurement device for preparing thermal insulation materials, including a measuring table, a gantry frame , The thermal insulation material to be measured, the thermal conductivity measuring unit, and the suction cup structure; wherein the thermal insulation material to be measured is from one side to the other side along the surface of the measuring table; the gantry frame is fixedly installed on the horizontal plane along the moving direction of the thermal insulation material to be measured the thermal conductivity measuring unit is fixedly installed on one end of the measuring table; the suction cup structure is fixedly installed on the gantry through fasteners.

As an improvement, the side of the gantry facing the upper surface of the measuring table is provided with a sliding track, and the suction cup structure is provided with multiple groups.

As an improvement, a slider and a mounting plate are also included, wherein the suction cup structure is movably mounted on the slider, the slider is fixedly mounted on the mounting plate, and the mounting plate is slidably mounted on the sliding track.

As an improvement, the thermal conductivity measurement unit includes a thermal conductivity measurement probe and an elastic body, wherein the thermal conductivity measurement probe is movably nested inside the measuring table, and the bottom of the thermal conductivity measurement probe is fixedly connected to the elastic body , the bottom of the elastic body is fixedly installed at the inner lower surface of the measuring table.

As an improvement, an air pump is fixedly connected to one end of the suction cup structure, and a set of solenoid valves are arranged between the air pump and the suction cup structure, and the solenoid valves are used to open or close suction and discharge.

As an improvement, the elastomer is a spring, a polyurethane structure or a rubber pad.

As an improvement, when the elastic body is compressed to the shortest height, the height of the bottom of the probe for measuring thermal conductivity is 0.1-10mm above the upper surface of the measuring table.

Beneficial effects: The utility model provides a fully automatic thermal conductivity measuring device for preparing thermal insulation materials. By setting a suction cup structure and a gantry, the two cooperate with each other, and the suction cup is adjusted by means of air pump inhalation or air release. The adsorption on the surface of the insulating material achieves the effect of smooth movement, and at the same time, this transportation process avoids the puncture and damage of the vacuum film on the surface of the insulating material.

In addition, when a probe for measuring thermal conductivity is provided, on the one hand, compared with the prior art, the probe is set at the bottom of the thermal insulation material instead of the top for measurement, which reduces the time for manual operation and movement of the probe, and improves production efficiency. On the other hand, it is embedded and fixed inside the measuring table, and the bottom is equipped with an elastic body, which can maximize the contact area and pressure between the probe and the thermal insulation material, speed up the measurement speed, and greatly shorten the working time. , saving a lot of labor and improving the degree of mechanical automation.

The above description is only an overview of the technical solution of the present utility model. In order to understand the technical means of the present utility model more clearly, and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the present utility model and the accompanying drawings as follows: back.

Description of drawings

FIG. 1 is a schematic structural diagram of the device of the present invention.

FIG. 2 is a cross-sectional view of the thermal conductivity measuring unit of the device of the present invention.

In the accompanying drawings: 1. Measuring table; 2. Gantry; 3. Thermal insulation material to be measured; 4. Thermal conductivity measuring unit; 5. Suction cup structure; 6. Probe for thermal conductivity measurement; 7. Elastomer.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

A fully automatic thermal conductivity measuring device for preparing thermal insulation materials, comprising a measuring table 1, a gantry 2, a thermal insulation material to be measured 3, a thermal conductivity measurement unit 4, and a suction cup structure 5; wherein the thermal insulation material to be measured 3 along the surface of the measuring table 1 from one side to the other; the gantry 2 is fixedly installed on a horizontal plane along the moving direction of the material to be insulated 3; the thermal conductivity measuring unit 4 is fixedly installed on one end of the measuring table 1; The suction cup structure 5 is fixedly installed on the gantry frame 2 through fasteners. The heat insulating material 3 to be tested is a vacuum heat insulating material, a vacuum heat insulating panel, a vacuum heat insulating panel, a vacuum composite material, and the like. The side of the gantry frame 2 facing the upper surface of the measuring table 1 is provided with a sliding track, the optional sliding track is provided with at least one set, and the suction cup structure 5 is provided with multiple sets, and one of the two sets of suction cups can be adjusted and installed as required. The distance and position between them are all existing technical means that can achieve this effect.

It also includes a slider and a mounting plate, wherein the suction cup structure 5 is movably mounted on the slider, the slider is fixedly mounted on the mounting plate, and the mounting plate is slidably mounted on the sliding track. The mounting plate can realize the horizontal movement of the suction cup structure 5 along the gantry, and the sliding block can realize the vertical movement of the suction cup structure 5 along the gantry. The setting of this structure can maximize the thermal insulation materials of different sizes. Smooth handling.

The thermal conductivity measurement unit 4 includes a thermal conductivity measurement probe 6 and an elastic body 7, wherein the thermal conductivity measurement probe 6 is movably nested inside the measuring table 1, and the bottom of the thermal conductivity measurement probe 6 is fixed. The elastic body 7 is connected, and the bottom of the elastic body 7 is fixedly installed at the inner lower surface of the measuring table 1 .

An air pump is fixedly connected to one end of the suction cup structure 5 , and a set of solenoid valves are arranged between the air pump and the suction cup structure 5 , and the solenoid valves are used to open or close suction and discharge. The elastic body 7 is a spring, a polyurethane material structure or a rubber pad, and not only the above, but also any existing structure that can realize elastic contraction and expansion in the vertical direction. When the elastic body 7 is compressed to the shortest height, the height of the bottom of the probe 6 for measuring thermal conductivity above the upper surface of the measuring table 1 is 0.1-10 mm.

Through the control of the solenoid valve, the suction cup structure can be grasped and released, and the heat insulating material can be loosened. Since it is only operated by suction, the vacuum film on the surface of the heat insulating material will not be pierced or damaged, and no manual handling is required, which greatly improves the Improve work efficiency and save labor.

Working principle: When the thermal insulation material 3 to be measured placed on the measuring table 1, such as vacuum thermal insulation material, vacuum thermal insulation panel, vacuum thermal insulation panel, vacuum composite material, etc., moves the suction cup structure 5 on the gantry 2, the The thermal insulation material 3 to be tested moves to the surface of the thermal conductivity measuring unit 4 along the direction of the gantry track, adjusts the slider, moves the suction cup downward, compresses the elastic body 7, and measures the thermal conductivity measuring probe 6 to measure the thermal conductivity. Thermal conductivity of thermal material 3 .

After the results are measured, data transmission and data storage are carried out through the electrically connected PC, and this process is real-time, and then the suction cup structure 5 is further moved by adjusting the moving direction of the mounting plate, leaving the thermal conductivity measurement unit 4. the work area, enter the area where the insulation material is placed, and complete the measurement.

The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (7)

1. The utility model provides a preparation thermal insulation material is with full-automatic thermal conductivity coefficient device that surveys which characterized in that: comprises a measuring workbench (1), a portal frame (2), a thermal insulation material (3) to be measured, a thermal conductivity measuring unit (4) and a sucker structure (5); wherein the thermal insulation material (3) to be measured moves from one side to the other side along the surface of the measuring workbench (1); the portal frame (2) is fixedly arranged on a horizontal plane along the moving direction of the heat insulation material (3) to be measured; the heat conductivity coefficient measuring unit (4) is fixedly arranged at one end of the measuring workbench (1); the sucker structure (5) is fixedly arranged on the portal frame (2) through a fastener.

2. The apparatus for automatically measuring thermal conductivity according to claim 1, wherein: one side of the portal frame (2) facing the upper surface of the measuring workbench (1) is provided with a sliding track, and the sucker structures (5) are provided with a plurality of groups.

3. The apparatus for automatically measuring thermal conductivity according to claim 2, wherein: the automatic sucking disc structure is characterized by further comprising a sliding block and a mounting plate, wherein the sucking disc structure (5) is movably mounted on the sliding block, the sliding block is fixedly mounted on the mounting plate, and the mounting plate is slidably mounted on the sliding track.

4. The apparatus for automatically measuring thermal conductivity according to claim 1, wherein: the thermal conductivity measuring unit (4) comprises a probe (6) for measuring the thermal conductivity and an elastic body (7), wherein the probe (6) for measuring the thermal conductivity is movably arranged inside the measuring workbench (1) in a nested manner, the bottom of the probe (6) for measuring the thermal conductivity is fixedly connected with the elastic body (7), and the bottom of the elastic body (7) is fixedly arranged on the lower surface inside the measuring workbench (1).

5. The apparatus for automatically measuring thermal conductivity according to claim 2, wherein: one end of the sucker structure (5) is fixedly connected with an air pump, a group of electromagnetic valves are arranged between the air pump and the sucker structure (5), and the electromagnetic valves are used for opening or closing air suction and air discharge.

6. The apparatus for automatically measuring thermal conductivity according to claim 4, wherein: the elastic body (7) is a spring, a polyurethane structure or a rubber pad.

7. The apparatus for automatically measuring thermal conductivity according to claim 4, wherein: when the elastic body (7) is compressed to the shortest height, the height of the bottom of the heat conductivity coefficient measuring probe (6) higher than the upper surface of the measuring workbench (1) is 0.1-10 mm.

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