CN220584106U - Device for measuring heat radiation of coating through glass - Google Patents
Device for measuring heat radiation of coating through glass Download PDFInfo
- Publication number
- CN220584106U CN220584106U CN202420127726.0U CN202420127726U CN220584106U CN 220584106 U CN220584106 U CN 220584106U CN 202420127726 U CN202420127726 U CN 202420127726U CN 220584106 U CN220584106 U CN 220584106U
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- glass
- coating
- darkroom
- objective table
- thermal radiation
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- 239000011521 glass Substances 0.000 title claims abstract description 51
- 238000000576 coating method Methods 0.000 title claims abstract description 35
- 239000011248 coating agent Substances 0.000 title claims abstract description 34
- 230000005855 radiation Effects 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 9
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a device for measuring thermal radiation of a coating through glass, which relates to the technical field of thermal radiation measurement and comprises a box body with an objective table, and further comprises: the glass is arranged on the objective table, and a coating to be measured is arranged on the glass; the heat conduction mechanism is arranged on the glass and is connected with an external thermocouple measuring instrument through a thermocouple wire; the box is provided with a darkroom with a light source below the objective table, and the objective table is provided with a through hole for leading light from the darkroom to glass. The utility model provides a device for measuring thermal radiation of a coating through glass, which is used for simulating the real application environment of the coating by arranging a darkroom and a light source and matching with the selection of the power of the light source so as to ensure that the measurement accuracy meets the experimental requirement.
Description
Technical Field
The utility model relates to the technical field of thermal radiation measurement. More particularly, the utility model relates to a device for measuring the thermal radiation of a coating through glass.
Background
The thermal control system is called a 'life line of a spacecraft', and has the main function of reducing temperature fluctuation of the spacecraft and ensuring that the temperature of the spacecraft is kept within a normal working range. In the space environment, the only way of heat transfer between the spacecraft and the surrounding environment is thermal radiation. The solar absorptivity and the infrared emissivity of the coating which changes along with the environment are coated on the surface of the component, so that the intelligent regulation and control of the temperature of the component are realized, and the method is the most commonly used thermal control technology in a spacecraft thermal control system.
The coating, which is a variable radiation material, has important application prospect in the aerospace thermal control system. In order to realize the application of the intelligent temperature control system of the coating, a plurality of traditional film forming and preparing processes are tried to prepare the coating, wherein a physical vapor deposition method is suitable for most substrates, but the coating preparing and forming process has a great influence on the performance of the coating. Therefore, the experimental method for evaluating the temperature control effect of the coating and the influence of the coating on the temperature distribution state of the part are explored, and the influence is fed back to the optimization of the coating molding preparation process, so that the method is very important for the application of the intelligent temperature control system of the coating.
In the prior art, the near-field heat radiation independent detector which can be directly used for measuring the near-field heat radiation of a flat plate to be measured is not available in the heat radiation measuring device for the coating, but one end of a planar double-helix structure metal wire on the upper surface of the flat plate is connected with the spiral center, and the other end of the planar double-helix structure metal wire is respectively connected with four lead pieces, wherein two lead pieces are used for heating the double-helix structure metal wire, the other two lead pieces are used for measuring the resistance of the double-helix structure metal wire in real time, and an average temperature rise is obtained according to the resistance, so that the near-field heat radiation independent detector is used for obtaining the parameters of the heat exchange coefficient of the near-field radiation.
Disclosure of Invention
It is an object of the present utility model to address the above problems and/or disadvantages and to provide advantages which will be described below.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, as embodied and broadly described herein, there is provided an apparatus for measuring thermal radiation of a coating through glass, comprising a case having a stage, further comprising: the glass is arranged on the objective table, and a coating to be measured is arranged on the glass;
the heat conduction mechanism is arranged on the glass and is connected with an external thermocouple measuring instrument through a thermocouple wire;
the box is provided with a darkroom with a light source below the objective table, and the objective table is provided with a through hole for leading light from the darkroom to glass.
Preferably, the glass is configured as a cylindrical structure matched with the through hole, and an opaque shielding sheet with an opening is arranged on one side of the glass, which is close to the darkroom.
Preferably, the light source is configured to employ a spotlight;
the spot lamp is positioned below the darkroom and is concentrically arranged with the through hole.
Preferably, the side walls of any group of the box body which are in opposite layout are respectively provided with a plurality of groups of corresponding mounting holes, and the objective table adjusts the distance between the glass and the spotlight through the matching of the mounting mechanism and the mounting holes.
Preferably, a data processing terminal in communication with the thermocouple measurement instrument is also included.
The utility model at least comprises the following beneficial effects: the utility model adopts the mode of arranging the darkroom and the light source, is practically applied to the selection of the power of the light source, is used for simulating the real application environment of different coatings so as to ensure that the measurement accuracy meets the experimental requirement, and meanwhile, the device has simple structure and easy installation, can avoid the interference of other light sources in the measurement process due to the design of the darkroom, can avoid the interference of heat nearby the light source on the test temperature, is simple and convenient to operate, effectively records data, meets the requirements of most of experiments of the same type, and has better applicability.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of the connection of a device of the present utility model to a data processing terminal;
FIG. 2 is an enlarged schematic view of the stage, adjusting screw, and camera frame of the camera of the present utility model;
wherein, 1-the box body; 2-thermocouple wires; 3-red copper sheet; 4-a glass sample to be measured; 5-adjusting the screw; 6-an apertured opaque masking sheet; 7-objective table; 8-shot-light; 9-thermocouple measuring instrument; 10-a data transmission line; 11-a data processing terminal; 12-through holes; 13-darkroom; 14-mounting holes.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.
Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Example 1
An apparatus for measuring thermal radiation of a coating through glass, the structure of which is shown in fig. 1-2, comprises a box body 1 with a stage, and further comprises: a glass provided on the stage 7, on which a coating to be measured is provided;
a heat conduction mechanism arranged on the glass and connected with an external thermocouple measuring instrument 9 through a thermocouple wire 2;
the case 1 is provided with a darkroom 13 with a light source below the stage 7, and the stage 7 is provided with a through hole 12 for guiding light from the darkroom 13 to glass.
The measurement of the glass through thermal radiation is a common method, the degree of thermal radiation transmitted by the glass can be indirectly reflected by using the temperature, and the obtained data can be collected, tidied and drawn into a required chart, so that the performance of common glass or glass with a coating on the surface can be better explored. When the scheme is used for carrying out thermal radiation measurement on the coating through glass, expensive experimental equipment is not needed in the whole measurement process, the operation is simple, the practical value is extremely high, the measurement medium of the scheme is suitable for any glass and other materials with flat surfaces, the measurement medium is suitable for transparent or materials with specular reflection characteristics on the surfaces, further, the experiment of the scheme is very low in detection consumption, and the energy cost required by detection every time is low.
Working principle: in practical application, the glass provided with the coating to be measured is called a glass sample 4 to be measured, the glass sample 4 to be measured is placed on an objective table 7, the copper sheet 3 is selectively used by the heat conducting mechanism according to the requirement, the copper sheet 3 is placed on the glass sample 4 to be measured, the light source is turned on, the generated energy of the light source passes through the through hole 12 to come onto the glass sample 4 to be measured, in the long-term irradiation process, the light on the coating is converted into heat radiation to be transmitted to the heat conducting mechanism, and the heat radiation is output to the thermocouple measuring instrument 9 by the thermocouple wire connected with the heat conducting mechanism, so that the heat radiation measurement of the coating is completed.
Example 2
Embodiment 2, which is a preferred embodiment of the present utility model, has a specific structure as shown in fig. 1-2, and the following modifications are disclosed on the basis of embodiment 1:
the glass is configured into a cylindrical structure matched with the through hole 12, and an opaque shielding sheet 6 with an opening is arranged on one side of the glass, which is close to the darkroom 13, and in actual use, the opaque shielding sheet can be adhered below the objective table 7 through transparent adhesive or an adhesive layer.
Working principle: the glass is arranged to be in a structure consistent with the through hole 12 so as to reduce the overflow of light from the darkroom 13 and influence the measurement accuracy, and the opaque shielding sheet 6 with the holes is used for shielding the part without a coating in the glass, so that the irradiation area of the spotlight 8 is limited to the position with the holes, the light loss is reduced, and the measurement accuracy is ensured.
Example 3
Embodiment 3, which is a preferred example of the present utility model, discloses the following modifications on the basis of embodiment 1:
the light source is configured to employ a spotlight 8;
wherein, shot-light 8 is located below darkroom 13, and with the concentric arrangement of through-hole 12.
Working principle: the arrangement of this mode is to reduce the irradiation energy loss of the spotlight 8, shorten the measurement period, and ensure the accurate grasp of measurement parameters such as time, power and the like during measurement.
Example 4
Embodiment 4, which is a preferred example of the present utility model, has a specific structure as shown in fig. 2, and the following modifications are disclosed on the basis of embodiment 1:
any one set of lateral wall that is relative overall arrangement of box 1 is provided with multiunit mounting hole 14 that corresponds respectively, objective table 7 passes through the cooperation of installation mechanism and mounting hole 14, sets up installation mechanism into adjusting screw 5 for adjust the interval between glass and the shot-light 8, this scheme is through the cooperation of mounting hole 14 and installation mechanism for device adjustability is strong, can adjust objective table 7 height according to the settlement requirement.
The operating principle, the objective table 7 can be according to the actual use needs, through adjusting screw 5 and the mounting hole 14 cooperation on the box 1 lateral wall adjust the height of objective table 7, and then realize the function of adjusting the interval between glass and the shot-light 8, certainly, when the distance between objective table 7 and shot-light 8 is great, the mounting hole 14 that its runs through, accessible matched with sealing plug or black glue cloth seals to guarantee that objective table 7 below darkroom 13 satisfies the measurement requirement.
Example 5
Embodiment 5 is shown in fig. 1 as a preferred example of the present utility model, and the following modifications are disclosed on the basis of embodiment 1:
the thermocouple measuring instrument also comprises a data processing terminal 11 which is communicated with the thermocouple measuring instrument 9, and the design and the matching of all the components enable the thermocouple measuring instrument to have the advantage of stable detection results, and related data can be obtained through the data processing terminal 11 in real time.
In the working principle, the thermocouple measuring instrument 9 is connected with the red copper sheet 3 through the thermocouple lead 2 to record the temperature, and the data processing terminal 11 is connected with the thermocouple measuring instrument 9 through the data transmission line 10 to transmit and record data in real time to form a chart, so that the reliability of the data can be ensured.
The above embodiments are merely illustrative of a preferred embodiment, but are not limited thereto. In practicing the present utility model, appropriate substitutions and/or modifications may be made according to the needs of the user.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present utility model. Applications, modifications and variations of the present utility model will be readily apparent to those skilled in the art.
Although embodiments of the utility model have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present utility model. Additional modifications will readily occur to those skilled in the art. Therefore, the utility model is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. A device for measuring thermal radiation through glass to a coating, comprising a housing with an object stage, further comprising: the glass is arranged on the objective table, and a coating to be measured is arranged on the glass;
the heat conduction mechanism is arranged on the glass and is connected with an external thermocouple measuring instrument through a thermocouple wire;
the box is provided with a darkroom with a light source below the objective table, and the objective table is provided with a through hole for leading light from the darkroom to glass.
2. The apparatus for measuring thermal radiation of a coating through glass according to claim 1, wherein the glass is configured as a cylindrical structure mated with a through-hole, and an opaque shielding sheet of an opening is provided on a side of the glass near the darkroom.
3. The apparatus for measuring thermal radiation of a coating through glass of claim 1, wherein the light source is configured to employ a spot light;
the spot lamp is positioned below the darkroom and is concentrically arranged with the through hole.
4. The device for measuring thermal radiation of a coating through glass according to claim 1, wherein a plurality of corresponding groups of mounting holes are respectively arranged on any group of side walls of the box body in opposite arrangement, and the objective table adjusts the distance between the glass and the spotlight through the cooperation of the mounting mechanism and the mounting holes.
5. The apparatus for measuring thermal radiation through a glass coating of claim 1, further comprising a data processing terminal in communication with the thermocouple gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420127726.0U CN220584106U (en) | 2024-01-18 | 2024-01-18 | Device for measuring heat radiation of coating through glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420127726.0U CN220584106U (en) | 2024-01-18 | 2024-01-18 | Device for measuring heat radiation of coating through glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220584106U true CN220584106U (en) | 2024-03-12 |
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ID=90110836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420127726.0U Active CN220584106U (en) | 2024-01-18 | 2024-01-18 | Device for measuring heat radiation of coating through glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220584106U (en) |
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2024
- 2024-01-18 CN CN202420127726.0U patent/CN220584106U/en active Active
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