CN114778597A - Thermal-insulated difference in temperature testing arrangement with light filtering function - Google Patents
Thermal-insulated difference in temperature testing arrangement with light filtering function Download PDFInfo
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- CN114778597A CN114778597A CN202210335197.9A CN202210335197A CN114778597A CN 114778597 A CN114778597 A CN 114778597A CN 202210335197 A CN202210335197 A CN 202210335197A CN 114778597 A CN114778597 A CN 114778597A
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Abstract
The invention discloses a heat insulation temperature difference testing device with a light filtering function, which comprises a box body, wherein a rotary lamp panel and a testing cabin are arranged in the box body, a driving device can drive the rotary lamp panel to rotate, a plurality of irradiation light sources are arranged on the rotary lamp panel, the testing cabin comprises at least two sub testing cabins which are circumferentially arranged by taking a rotating shaft of the rotary lamp panel as an axis, two adjacent sub testing cabins are separated by a heat insulation partition plate, one side of the testing cabin, which is close to the irradiation light sources, is provided with a light filter, light emitted by the irradiation light sources irradiates the testing cabin after being filtered by the light filter, and the testing cabin and the heat insulation partition plate are respectively and hermetically connected with the light filter; all be provided with first temperature sensor, examination test plate and second temperature sensor in every subtest cabin, the examination test plate all around with the inner wall sealing connection in subtest cabin, and the examination test plate perpendicular to rotation axis that awaits measuring, the examination test plate is located between first temperature sensor and the second temperature sensor. The invention improves the accuracy of the heat insulation temperature difference test.
Description
Technical Field
The invention relates to the technical field of coating test equipment, in particular to a heat insulation temperature difference test device with a light filtering function.
Background
The heat-insulating coating for the building integrates heat insulation, environmental protection, economy, safety and decoration effects, is used as a supplementary heat-insulating measure for the building in hot summer and cold winter areas, is simply sprayed or brushed on the inner and outer surfaces of the building, can effectively reflect sunlight in summer, reduce exposure aging damage of the outer surface, reduce indoor temperature, prevent the internal heat of the building from dissipating quickly in winter and play a good role in heat insulation and heat preservation. Under the environment-friendly large frame, the water-based light building heat-insulating coating becomes the current development trend. The water-based paint realizes autonomous cooling by reflecting indoor and outdoor infrared radiation, has the advantages of zero pollution, obvious effect, no energy consumption, one-time investment of capital, strong practicability, large market potential and higher research and development values.
The coating is also subjected to a thermal insulation temperature difference test after production, and the light source of the existing test equipment is generally full spectrum irradiation simulating natural sunlight, for example, the light source in the patent with the publication number of CN215415150U only has three choices of an incandescent lamp, an infrared lamp or an ultraviolet lamp, the wavelength of incident light cannot be flexibly adjusted, and the simulated experimental environment is very limited. In addition, the photon density and the heat quantity of the existing testing equipment irradiated on the surfaces of the test piece to be tested and the comparison test piece are different, so that the rigor and the accuracy of the experiment are influenced.
Disclosure of Invention
The invention aims to provide a heat insulation temperature difference testing device with a light filtering function, which is used for solving the problems in the prior art, realizing the filtering of light rays with different wavelengths and improving the accuracy of heat insulation temperature difference testing.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a heat insulation temperature difference testing device with a light filtering function, which comprises a box body, wherein a rotary lamp panel and a testing cabin are arranged in the box body, a driving device can drive the rotary lamp panel to rotate, a plurality of irradiation light sources are arranged on the rotary lamp panel, the testing cabin comprises at least two sub testing cabins which are circumferentially arranged by taking a rotating shaft of the rotary lamp panel as an axis, two adjacent sub testing cabins are separated by a heat insulation partition plate, one side of the testing cabin, which is close to the irradiation light sources, is provided with a light filter, light emitted by the irradiation light sources irradiates the testing cabin after being filtered by the light filter, and the testing cabin and the heat insulation partition plate are respectively and hermetically connected with the light filter; each sub-test chamber is internally provided with a first temperature sensor, a plate to be tested and a second temperature sensor, the periphery of the plate to be tested is hermetically connected with the inner wall of the sub-test chamber, the plate to be tested is perpendicular to the rotating shaft, and the plate to be tested is positioned between the first temperature sensor and the second temperature sensor; the plate to be tested in one of the sub-test cabins is a comparison test piece, and the plate to be tested in the other sub-test cabins is coated with the coating to be tested respectively.
Preferably, the driving device comprises a driving motor and a reduction gearbox, an output shaft of the driving motor is fixedly connected with an input shaft of the reduction gearbox, an output shaft of the reduction gearbox is fixedly connected with one end of a screw, an adjusting nut is fixedly arranged on the rotary lamp panel and is in threaded connection with the screw, and the screw is coaxial with the rotating shaft; and the box body is also provided with a rotating speed controller for controlling the driving motor.
Preferably, still be provided with box temperature sensor, a plurality of accuse temperature fan on the box and be used for control accuse temperature fan's box temperature controller, box temperature sensor with box temperature controller signal connection, just box temperature controller has the temperature display function, accuse temperature fan is located outside the test chamber.
Preferably, the box body is provided with temperature displays in one-to-one correspondence with the sub-test cabins, and the temperature displays are used for displaying the temperatures detected by the first temperature sensors and the second temperature sensors in the corresponding sub-test cabins.
Preferably, the optical filter is made of quartz glass.
Preferably, a metal support sheet positioned on one side, far away from the irradiation light source, of the plate to be tested is further arranged in the sub-test chamber, the periphery of the metal support sheet is connected with the inner wall of the sub-test chamber in a sealing mode, and the metal support sheet is tightly adhered to the plate to be tested through heat conduction silicone grease; the second temperature sensor is arranged on one side, far away from the plate to be tested, of the metal supporting sheet.
Preferably, the metal supporting sheet is an aluminum sheet.
Preferably, the plate to be tested is connected with the sub-test cabin in a sealing mode through a silica gel sealing ring.
Preferably, the distances between all the plates to be tested and the irradiation light source are equal.
Preferably, heat insulation materials are uniformly distributed on the four walls and the bottom plate of the box body, and a door is arranged on the box body and can be opened and closed.
Compared with the prior art, the invention achieves the following technical effects:
the heat insulation temperature difference testing device with the light filtering function can filter incident light, and improves the accuracy of heat insulation temperature difference testing. According to the heat insulation temperature difference testing device with the light filtering function, the irradiation light source can rotate by arranging the rotary lamp disc, so that the illumination energy irradiated in each sub-testing cabin is equal, the unstable variable of the illumination energy is controlled, the temperature of the surface of a plate to be tested is equal, and the accuracy of heat insulation temperature difference testing is improved; incident light is filtered through the optical filter, so that unnecessary wavelengths are filtered, and simulation of different illumination environments can be realized by selecting different types of optical filters; the metal supporting plate is bonded with the plate to be tested through the heat-conducting silicone grease, so that heat loss is reduced, and the back temperature of the plate to be tested can be accurately measured; the plate to be tested is connected with the sub-testing cabin in a sealing mode through the silica gel sealing ring, so that on one hand, radiation heat loss is avoided, on the other hand, heat on one side of the plate to be tested is prevented from leaking to the other side through gaps and the like, and the testing accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a thermal insulation temperature difference testing device with a light filtering function according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a second thermal insulation temperature difference testing apparatus with a light filtering function according to the present invention;
wherein: 100. the heat insulation temperature difference testing device has a light filtering function; 1. a drive motor; 2. a reduction gearbox; 3. a temperature control fan; 4. a temperature display; 5. a tank temperature controller; 6. rotating the lamp panel; 7. an irradiation light source; 8. an optical filter; 9. a sub-test chamber; 10. a heat-insulating partition plate; 11. a plate to be tested; 12. a second temperature sensor; 13. a metal support sheet; 14. a box body; 15. a rotational speed controller; 16. a first temperature sensor; 17. a box temperature sensor; 18. a silica gel seal ring; 19. a material gate; 20. a screw; 21. and adjusting the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of protection of the present invention.
The invention aims to provide a heat insulation temperature difference testing device with a light filtering function, which is used for solving the problems in the prior art, realizing the filtering of light rays with different wavelengths and improving the accuracy of heat insulation temperature difference testing.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3: the embodiment provides a thermal insulation temperature difference testing device 100 with a light filtering function, which comprises a box body 14, wherein a rotary lamp panel 6 and a testing cabin are arranged in the box body 14.
The driving device can drive the rotary lamp panel 6 to rotate, and the rotary lamp panel 6 is provided with a plurality of irradiation light sources 7. In this embodiment, the driving device includes driving motor 1 and reducing gear box 2, the output shaft of driving motor 1 links firmly with the input shaft of reducing gear box 2, the output shaft of reducing gear box 2 links firmly with the one end of screw rod 20, the last fixed adjusting nut 21 that is provided with of rotatory lamp panel 6, adjusting nut 21 and screw rod 20 threaded connection, screw rod 20 is coaxial with the rotation axis, adjust adjusting nut 21 in the high position of screw rod 20 threaded connection through manual rotation rotatory lamp panel 6, can realize the regulation to the height of revolving lamp panel 6, with the vertical distance of adjustment irradiation light source 7 and the board 11 that awaits measuring, and then adjust the illumination energy that the upper surface of the board 11 that awaits measuring obtained. The box body 14 is also provided with a rotating speed controller 15 for controlling the driving motor 1, and the rotating speed and the height of the rotating lamp panel 6 can be continuously adjusted within a preset range. It should be noted that, the rotating lamp panel 6 rotates slowly at a constant speed, so when the rotating screw 20 drives the rotating lamp panel 6 to rotate through the adjusting nut 21, due to the existence of the friction between the adjusting nut 21 and the screw 20, the adjusting nut 21 and the screw 20 do not rotate relatively, thereby ensuring that the device can operate stably.
The irradiation light source 7 can rotate by arranging the rotary lamp panel 6, so that the irradiation energy irradiated in each sub-test chamber 9 is equal, the unstable variable of the irradiation energy is controlled, the temperature of the surface of the plate 11 to be tested is equal, and the accuracy of the heat insulation temperature difference test is improved.
The test cabin comprises two sub test cabins 9 which are circumferentially arranged by taking the rotating shaft of the rotating lamp panel 6 as an axis, namely, the rotating shaft of the rotating lamp panel 6 is positioned between the two sub test cabins 9, and the size of each sub test cabin 9 is equal, so that the illumination energy irradiated into each sub test cabin 9 is equal when the rotating lamp panel 6 rotates. Two adjacent sub-test chambers 9 are separated by a heat-insulating partition plate 10, one side of each test chamber, which is close to the irradiation light source 7, is provided with an optical filter 8, light emitted by the irradiation light source 7 irradiates the test chambers after being filtered by the optical filters 8, and the test chambers and the heat-insulating partition plates 10 are respectively in sealing connection with the optical filters 8; in this embodiment, the optical filter 8 is made of quartz glass, the optical filter 8 may be made of other materials, incident light is filtered by the optical filter 8, so as to filter out unnecessary wavelengths, and simulation of different illumination environments can be realized by selecting different types of optical filters 8; the filter 8 can also be removed directly when there is a need for no filtering.
Each sub-test chamber 9 is internally provided with a first temperature sensor 16, a plate 11 to be tested and a second temperature sensor 12, the periphery of the plate 11 to be tested is hermetically connected with the inner wall of the sub-test chamber 9 through a silica gel sealing ring 18, the plate 11 to be tested is perpendicular to the rotating shaft, and the plate 11 to be tested is positioned between the first temperature sensor 16 and the second temperature sensor 12; the two plates to be tested are equidistant from the irradiation light source 7. The test chamber is provided with a material door 19 which can be opened and closed to facilitate placement and replacement of the plate 11 to be tested. The plate 11 to be tested in one of the sub-test chambers 9 is a comparison test piece, and the plate 11 to be tested in the other sub-test chamber 9 is coated with a coating to be tested to serve as a test piece to be tested.
The sub-test chamber 9 is also provided with a metal support sheet 13 positioned on one side of the plate 11 to be tested, which is far away from the irradiation light source 7, the periphery of the metal support sheet 13 is hermetically connected with the inner wall of the sub-test chamber 9, and the metal support sheet 13 is tightly adhered to the plate 11 to be tested through heat-conducting silicone grease; the second temperature sensor 12 is arranged on a side of the metal support sheet 13 remote from the plate 11 to be tested. In the present embodiment, the metal supporting sheet 13 is made of an aluminum sheet. The heat-conducting silicone grease has excellent heat conductivity, electric insulation and chemical stability, fills the gap between the aluminum plate and the plate 11 to be tested, realizes smooth and rapid heat conduction, and greatly improves the testing precision.
Still be provided with box temperature sensor 17 on the box 14, a plurality of accuse temperature fan 3 and the box temperature controller 5 that is used for controlling accuse temperature fan 3, box temperature sensor 17 and 5 signal connection of box temperature controller, and box temperature controller 5 has the temperature display function, accuse temperature fan 3 is located outside the test chamber, in this embodiment, accuse temperature fan 3 is total four, symmetric distribution is in four angles at 14 tops of box, and whole inside towards box 14, mainly be used for promoting 14 upper portion air flows of box, avoid the high temperature, thereby the interior temperature of quick adjustment box, and the work efficiency is improved.
Thermal insulation materials are uniformly distributed on the four walls and the bottom plate of the box body 14, and a door is arranged on the box body 14 and can be opened and closed, so that equipment maintenance and irradiation light source 7 replacement are facilitated.
The box body 14 is provided with temperature displays 4 corresponding to the sub-test chambers 9 one by one, and the temperature displays 4 are used for displaying the temperatures detected by the first temperature sensors 16 and the second temperature sensors 12 in the corresponding sub-test chambers 9.
The specific application method of the thermal insulation temperature difference testing apparatus 100 with the light filtering function in this embodiment is as follows:
in the present embodiment, the first temperature sensor 16 in one sub-test compartment 9 is referred to as a first upper temperature sensor and a first lower temperature sensor, and the first temperature sensor 16 in the other sub-test compartment 9 is referred to as a second upper temperature sensor and a second lower temperature sensor;
the method comprises the steps of putting a to-be-tested piece into one sub-test chamber 9, putting a comparison test piece into the other sub-test chamber 9, then putting an optical filter 8, forming an independent and closed space after the optical filter 8 is placed in the test chambers, equally dividing the test chambers into two independent sub-test chambers 9 by a heat insulation partition plate 10, driving a rotary lamp disc 6 to rotate through a driving motor 1, turning on an irradiation light source 7, and enabling light rays of the irradiation light source 7 to uniformly irradiate into the two sub-test chambers 9, wherein the two sub-test chambers 9 obtain the same illumination energy due to the fact that the irradiation light rays are completely uniform, so that the upper surfaces of the to-be-tested piece and the comparison test piece have the same temperature, namely the first upper temperature sensor and the second upper temperature sensor capture and display the same numerical value, the difference value between the first upper temperature sensor and the second upper temperature sensor and the box body temperature sensor 17 is reflected, and the filtering performance of the optical filter 8 is visually reflected. The first lower temperature sensor and the second lower temperature sensor respectively capture the temperature of the back of the piece to be tested and the back of the contrast test piece, and the difference value between the first upper temperature sensor and the first lower temperature sensor and the difference value between the second upper temperature sensor and the second lower temperature sensor can visually reflect the heat insulation performance of the building heat insulation coating or the heat insulation material, namely, the larger the temperature difference value is, the better the heat insulation effect of the material is.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a thermal-insulated difference in temperature testing arrangement with filtering function which characterized in that: the testing device comprises a box body, wherein a rotary lamp disc and a testing cabin are arranged in the box body, a driving device can drive the rotary lamp disc to rotate, a plurality of irradiation light sources are arranged on the rotary lamp disc, the testing cabin comprises at least two sub testing cabins which are circumferentially arranged by taking a rotating shaft of the rotary lamp disc as an axis, the adjacent two sub testing cabins are separated by a heat-insulating partition plate, a light filter is arranged on one side of the testing cabin, which is close to the irradiation light sources, light emitted by the irradiation light sources irradiates the testing cabin after being filtered by the light filter, and the testing cabin and the heat-insulating partition plate are respectively connected with the light filter in a sealing manner; each sub-test chamber is internally provided with a first temperature sensor, a plate to be tested and a second temperature sensor, the periphery of the plate to be tested is hermetically connected with the inner wall of the sub-test chamber, the plate to be tested is perpendicular to the rotating shaft, and the plate to be tested is positioned between the first temperature sensor and the second temperature sensor; the plate to be tested in one of the sub-test cabins is a comparison test piece, and the plate to be tested in the other sub-test cabins is coated with the coating to be tested respectively.
2. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: the driving device comprises a driving motor and a reduction gearbox, an output shaft of the driving motor is fixedly connected with an input shaft of the reduction gearbox, an output shaft of the reduction gearbox is fixedly connected with one end of a screw, an adjusting nut is fixedly arranged on the rotary lamp panel and is in threaded connection with the screw, and the screw is coaxial with the rotating shaft; and the box body is also provided with a rotating speed controller for controlling the driving motor.
3. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: still be provided with box temperature sensor, a plurality of accuse temperature fan on the box and be used for control accuse temperature fan's box temperature controller, box temperature sensor with box temperature controller signal connection, just box temperature controller has the temperature display function, accuse temperature fan is located outside the test chamber.
4. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: the box body is provided with temperature displays in one-to-one correspondence with the sub-test cabins, and the temperature displays are used for displaying the temperatures detected by the first temperature sensors and the second temperature sensors in the corresponding sub-test cabins.
5. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: the optical filter is made of quartz glass.
6. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: the sub-test chamber is also internally provided with a metal support sheet positioned on one side of the plate to be tested, which is far away from the irradiation light source, the periphery of the metal support sheet is hermetically connected with the inner wall of the sub-test chamber, and the metal support sheet is tightly adhered to the plate to be tested through heat-conducting silicone grease; the second temperature sensor is arranged on one side, far away from the plate to be tested, of the metal supporting sheet.
7. The heat insulation temperature difference testing device with the light filtering function according to claim 6, wherein: the metal supporting sheet is an aluminum sheet.
8. The heat insulation temperature difference testing device with the light filtering function according to claim 6, wherein: the plate to be tested is connected with the sub-test cabin in a sealing mode through a silica gel sealing ring.
9. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: and the distances between all the plates to be tested and the irradiation light source are equal.
10. The heat insulation temperature difference testing device with the light filtering function according to claim 1, wherein: thermal insulation materials are uniformly distributed on the four walls and the bottom plate of the box body, and a door is arranged on the box body and can be opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335197.9A CN114778597A (en) | 2022-03-31 | 2022-03-31 | Thermal-insulated difference in temperature testing arrangement with light filtering function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210335197.9A CN114778597A (en) | 2022-03-31 | 2022-03-31 | Thermal-insulated difference in temperature testing arrangement with light filtering function |
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| CN114778597A true CN114778597A (en) | 2022-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184826A1 (en) * | 2022-03-31 | 2023-10-05 | 河南建筑材料研究设计院有限责任公司 | Thermal insulation temperature difference testing device having light filtering function |
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2022
- 2022-03-31 CN CN202210335197.9A patent/CN114778597A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184826A1 (en) * | 2022-03-31 | 2023-10-05 | 河南建筑材料研究设计院有限责任公司 | Thermal insulation temperature difference testing device having light filtering function |
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