CN211741134U

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

Info

Publication number: CN211741134U
Application number: CN202020186589.XU
Authority: CN
Inventors: 徐滕州; 曹磊
Original assignee: Nanjing Institute of Industry Technology
Current assignee: Nanjing Institute of Industry Technology
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-10-23
Anticipated expiration: 2030-02-20

Abstract

The utility model provides a full-automatic thermal conductivity measuring device for preparing thermal insulation materials, which comprises a measuring workbench, a portal frame, thermal insulation materials to be measured, a thermal conductivity measuring unit and a sucker structure; wherein the thermal insulation material to be measured passes from one side to the other side of the surface of the measuring workbench; the portal frame is fixedly arranged on a horizontal plane along the moving direction of the materials to be thermally insulated; the heat conductivity coefficient measuring unit is fixedly arranged at one end of the measuring workbench; the sucker structure is fixedly arranged on the portal frame through a fastener. The device is through setting up sucker structure and portal frame, mutually supporting between the two, the mode that adopts the air pump to breathe in or the gassing carries out the sucking disc to the absorption on thermal insulation material surface, has reached steady removal effect, and impaling and damage of thermal insulation material surface vacuum membrane have been avoided to such transportation simultaneously, and in addition, the coefficient of heat conductivity measuring cell sets up and has accelerated measuring speed on the material, has saved a large amount of labours, has shortened operating time widely, has improved mechanical degree of automation.

Description

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

Technical Field

The utility model belongs to vacuum insulation panels coefficient of heat conductivity detection field relates to a preparation thermal insulation material is with full-automatic coefficient of heat conductivity device of surveying.

Background

The vacuum insulation panel, also called VIP panel, is one of vacuum insulation materials or heat insulation materials, is formed by compounding a filling core material and a vacuum protection surface layer, and effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced to 0.002-0.004w/m.k, which is 1/10 of the heat conductivity coefficient of the traditional insulation material.

However, the problems in actual production are as follows: the vacuum membrane of the vacuum insulation plate is easy to puncture, air leakage and air inlet are caused during carrying, the production efficiency is reduced, and the cost is also increased. Meanwhile, based on the fact that the heat conductivity coefficient is an extremely important process parameter for detecting the performance of the vacuum insulation panel, when the heat conductivity coefficient is measured at present, the vacuum insulation panel needs to be manually transported and detected one by one, so that the method is long in consumed time, long in period and very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the conventional vacuum heat insulation plate is inconvenient to detect the heat conductivity coefficient after being produced in a large scale, the utility model provides a full-automatic heat conductivity coefficient measuring device for preparing heat insulation materials, which comprises a measuring workbench, a portal frame, the heat insulation materials to be measured, a heat conductivity coefficient measuring unit and a sucker structure; wherein the thermal insulation material to be measured passes from one side to the other side of the surface of the measuring workbench; the portal frame is fixedly arranged on a horizontal plane along the moving direction of the heat-insulating material to be insulated; the heat conductivity coefficient measuring unit is fixedly arranged at one end of the measuring workbench; the sucker structure is fixedly arranged on the portal frame through a fastener.

As an improvement, one side of the portal frame, which faces the upper surface of the measuring workbench, is provided with a sliding track, and the sucker structures are provided with a plurality of groups.

As the improvement, still include slider and mounting panel, wherein sucking disc structure movable mounting is on the slider, and slider fixed mounting is on the mounting panel, and mounting panel slidable mounting is on the slip track.

The thermal conductivity measuring unit comprises a thermal conductivity measuring probe and an elastic body, wherein the thermal conductivity measuring probe is movably nested in a measuring workbench, the bottom of the thermal conductivity measuring probe is fixedly connected with the elastic body, and the bottom of the elastic body is fixedly arranged on the lower surface in the measuring workbench.

As an improvement, one end of the sucker structure is fixedly connected with an air pump, a group of electromagnetic valves are arranged between the air pump and the sucker structure, and the electromagnetic valves are used for opening or closing air suction and air discharge.

As an improvement, the elastic body 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 heat conductivity coefficient measuring probe higher than the upper surface of the measuring workbench is 0.1-10 mm.

Has the advantages that: the utility model provides a pair of preparation thermal insulation material is with full-automatic thermal conductivity coefficient device of surveying, through setting up sucker structure and portal frame, mutually support between the two, the mode that adopts the air pump to breathe in or to deflate carries out the sucking disc and to the absorption on thermal insulation material surface, has reached steady removal effect, and impaling and damage of thermal insulation material surface vacuum membrane has been avoided to such transportation simultaneously.

In addition, the probe for measuring the thermal conductivity is arranged, on one hand, compared with the prior art, the probe is arranged at the bottom of the heat insulation material instead of the upper surface of the heat insulation material for measurement, so that the time for manual operation and probe movement is reduced, and the production efficiency is improved. On the other hand, the inner embedding body is fixedly arranged inside the measuring workbench, the elastic body is arranged at the bottom, the contact area and the pressure of the probe and the heat insulating material can be increased to the maximum extent, the measuring speed is accelerated, the working time is greatly shortened, a large amount of labor force is saved, and the mechanical automation degree is improved.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

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

Fig. 2 is a cross-sectional view of the device of the present invention.

In the drawings: 1. a measuring table; 2. a gantry; 3. a thermal insulation material to be tested; 4. a thermal conductivity measuring unit; 5. a sucker structure; 6. a probe for measuring thermal conductivity; 7. an elastomer.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

A full-automatic thermal conductivity coefficient measuring device for preparing thermal insulation materials comprises a measuring workbench 1, a portal frame 2, a thermal insulation material 3 to be measured, a thermal conductivity coefficient measuring unit 4 and a sucker structure 5; wherein the thermal insulation material 3 to be measured is arranged 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 material 3 to be thermally insulated; the heat conductivity coefficient measuring unit 4 is fixedly arranged at one end of the measuring workbench 1; and the sucker structure 5 is fixedly arranged on the portal frame 2 through a fastener. The heat insulation material 3 to be measured is a vacuum heat insulation material, a vacuum heat insulation plate, a vacuum composite material and the like. The portal frame 2 is provided with the slip track towards one side of measuring table 1 upper surface, and the slip track that can select is provided with at least one group, and sucker structure 5 is provided with the multiunit, can adjust as required and install distance, position between two sets of sucking discs, and what adopt is that present technical means that can realize this effect.

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 rail. The mounting panel can realize that sucker structure 5 carries out horizontal migration along the portal frame, and the slider can realize that sucker structure 5 carries out the removal of vertical direction along the portal frame, and the steady transport of the thermal insulation material of not unidimensional can be realized to the at utmost to the setting of this structure.

The thermal conductivity measuring unit 4 comprises a thermal conductivity measuring probe 6 and an elastic body 7, wherein the thermal conductivity measuring probe 6 is movably nested in the measuring workbench 1, the bottom of the thermal conductivity measuring probe 6 is fixedly connected with the elastic body 7, and the bottom of the elastic body 7 is fixedly arranged on the lower surface of the inside of the measuring workbench 1.

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. The elastic body 7 is a spring, a structure made of urethane, or a rubber pad, and not only the above, it may be realized by a conventional structure capable of 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 from the upper surface of the measuring table 1 is 0.1 to 10 mm.

The heat insulation material can be grasped and loosened through the control of the electromagnetic valve, the vacuum film on the surface of the heat insulation material cannot be punctured or damaged due to the fact that the heat insulation material is operated only through the action of suction force, manual carrying is not needed, the working efficiency is greatly improved, and labor force is saved.

The working principle is as follows: when the thermal insulation material 3 to be measured, such as a vacuum thermal insulation material, a vacuum insulation panel, a vacuum insulation board, a vacuum composite material and the like, placed on the measuring workbench 1 is moved to the surface of the thermal conductivity measuring unit 4 along the gantry rail direction by moving the sucker structure 5 on the gantry 2, the slider is adjusted, the sucker is moved downwards, the elastic body 7 is compressed, and the thermal conductivity of the thermal insulation material 3 to be measured is measured by the probe 6 for measuring the thermal conductivity.

After the result is measured, data transmission and data storage are carried out through the pc machine which is electrically connected, the process is real-time, then the sucker structure 5 is further moved by adjusting the moving direction of the mounting plate, the sucker structure leaves the working area of the thermal conductivity measuring unit 4, and the sucker structure enters the area where the thermal insulation material is placed, so that the measurement is completed.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

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.