CN204829492U - A indoor sun analog system for thermal -arrest product test - Google Patents
A indoor sun analog system for thermal -arrest product test Download PDFInfo
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- CN204829492U CN204829492U CN201520451373.0U CN201520451373U CN204829492U CN 204829492 U CN204829492 U CN 204829492U CN 201520451373 U CN201520451373 U CN 201520451373U CN 204829492 U CN204829492 U CN 204829492U
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000000112 cooling gas Substances 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 22
- 238000004088 simulation Methods 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 229910052736 halogen Inorganic materials 0.000 claims description 14
- 150000002367 halogens Chemical class 0.000 claims description 14
- 229910001507 metal halide Inorganic materials 0.000 claims description 9
- 150000005309 metal halides Chemical class 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 12
- 238000004378 air conditioning Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 29
- 238000004321 preservation Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides an indoor sun analog system for thermal -arrest product test. Indoor sun analog system, including light source and cooling device, cooling device sets up the front end of light exposure direction, cooling device is sealed cavity, just the cavity has cooling gas's entry and export, the cavity is at light exposure direction printing opacity. Further, above -mentioned indoor sun analog system can also be including connected air conditioning body feeding mechanism, preferred, the light source can set up steady voltage controlling means. The utility model discloses an indoor sun analog system reduces heat radiation that light source projected need checking sample at the non -light tight sealed cavity of light exposure direction as cooling device through setting up, compares with prior art, not only improved the light source the transmissivity nor can be at the thermal -arrest product cast shadow on the surface that awaits measuring, simultaneously, cooling gas can not loose to the test environment in to can not influence the test result, make the test result more accurate.
Description
Technical Field
The utility model relates to a solar energy collection product test field especially relates to an indoor solar analog system for thermal-arrest product testing.
Background
Under the encouragement of policies for vigorously developing renewable energy sources, solar heat utilization products and engineering markets in China are continuously increased, and quality detection of the solar heat collection products plays a key role in healthy development of the markets.
The testing of solar heat collection products can be divided into outdoor testing and indoor testing. Outdoor test is greatly influenced by weather conditions and air quality, so that the solar irradiation condition during the test is unstable, and the test efficiency of heat collection products is not high. The indoor test is not limited by weather conditions and air quality, and the test can be carried out at any time only by one solar simulator meeting the test requirement, so that the test efficiency of the heat collection product is greatly improved.
The test of the solar heat-collecting product has specific requirements on the average solar irradiance, the uniformity of irradiation distribution, the proportion of heat radiation to total radiation and the ambient wind speed of the surface of a test area, and international and domestic standards also make specific regulations on the factors.
An indoor solar simulation system for testing a solar heat collection product in the prior art is composed of a lifting guide rail, a lifting frame arranged on the lifting guide rail, a lamp bracket system fixed on the lifting frame, a radiation light source assembled on the lamp bracket system, a cooling device arranged at an outlet of the radiation light source and fixed on the lamp bracket system, a reflector arranged at the rear part of the radiation light source, a high-voltage power supply system fixed beside the lamp bracket system, a cooling gas supply device, an intelligent controller, a microcomputer management system and a host power supply control system. The cooling device consists of a double layer of parallel metal woven mesh with a cold gas inlet, which is used as a device for eliminating the heat radiation of the light source. On one hand, the metal-woven grille type cold net can seriously affect the transmittance of a light source; secondly, after the light penetrates through the metal mesh, shadows are cast on the surface of the heat collection product to be measured, so that the uniformity of a light source is influenced; in the third aspect, the grid type cold net is not sealed, and cold air medium can penetrate through the grid and enter the heat collection product test environment to influence the heat collection product test result.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect among the prior art, the utility model provides an indoor solar analog system for thermal-arrest product test influences the problem of test result in order to solve grid formula cold net influence light source transmissivity among the prior art, can be in the thermal-arrest product surface that awaits measuring drop shadow and cooling medium entering test environment.
The utility model aims at providing an indoor solar simulation system for testing heat collection products, which comprises a light source and a cooling device, wherein the cooling device is arranged at the front end of the light source irradiation direction; the cooling device is a closed cavity, the cavity is provided with an inlet and an outlet of cooling gas, and the cavity is transparent in the light source irradiation direction
Furthermore, the cooling device can be connected with a cold gas supply device; the cooling gas is circulated between the cooling device and the cold gas supply device. Preferably, the light source is provided with a voltage stabilization control device for controlling the illumination condition of the light source.
Further, the cavity includes first printing opacity piece and the second printing opacity piece that is parallel to each other, first printing opacity piece with the second printing opacity piece all with the light source irradiation direction is perpendicular, first printing opacity piece and second printing opacity piece are sealed by the sealing member.
Further, the first light-transmitting member is a glass light-transmitting member or a transparent film light-transmitting member, and/or the second light-transmitting member is a glass light-transmitting member or a transparent film light-transmitting member.
Further, the glass light-transmitting piece is an ultra-white glass light-transmitting piece.
Furthermore, at least one surface of the glass light-transmitting piece is provided with an antireflection layer for reducing light reflection.
Further, the light source comprises a metal halide lamp and a first adjusting device connected with the metal halide lamp; the first adjusting device is used for adjusting the position of the metal halogen lamp in the three-dimensional space.
Further, the connection frame is connected with the first adjusting device.
Further, the device also comprises a second adjusting device;
the second adjusting device comprises a linear track and at least two lifting devices which can slide along the linear track, and the lifting devices are connected with the connecting frame;
or,
the second adjusting device comprises an arc track and a sliding device matched with the arc track, and the sliding device is fixedly connected with the connecting frame.
The indoor solar simulation system for testing the heat collection products of the utility model reduces the heat radiation of the light source projected to the sample to be tested by setting the sealed cavity which is transparent in the light source irradiation direction as the cooling device, thereby not only improving the transmittance of the light source, but also not projecting the shadow on the surface of the heat collection products to be tested; meanwhile, the cooling gas can not be dispersed into the test environment, so that the test result can not be influenced, and the test result is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of an indoor solar simulation system according to an embodiment of the present invention;
FIG. 2 is a schematic view of the light source and cooling device of FIG. 1;
fig. 3 is a front view of a light source and a cooling device according to a second embodiment of the present invention;
fig. 4 is a bottom view of the light source and the cooling device according to the second embodiment of the present invention;
fig. 5 is a schematic view of a connection structure between a metal halide lamp and a first adjusting device according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of an indoor solar simulation system according to a third embodiment of the present invention;
fig. 7 is a schematic view of a usage state of an indoor solar simulation system according to a third embodiment of the present invention;
FIG. 8 is a front view of FIG. 7;
fig. 9 is a schematic structural view of an indoor solar simulation system according to the fourth embodiment of the present invention.
In the drawings:
100. a light source; 200. a second adjustment device;
300. a cold gas supply device; 400. a voltage stabilization controller;
120. a cooling device; 111. a metal halide lamp;
112. a first adjusting device; 1121. a first bracket;
1122. a second bracket; 1123. a third support;
1124. an adjustment hole; 121. a first light transmissive member;
122. a second light transmissive member; 123. a cold gas inlet;
124. a cold gas outlet; 125. a seal member;
126. a connecting frame; 211. a linear track;
212. an arc-shaped track; 213. a lifting device;
214. a sliding device; 311. a heat preservation air pipe;
312. an air conditioner; 313. a refrigerator.
Detailed Description
Example one
An indoor solar simulation system for testing heat collection products comprises a light source and a cooling device, wherein the cooling device is arranged at the front end of the light irradiation direction of the light source; the cooling device is a closed cavity, the closed cavity is provided with an inlet and an outlet of cooling gas, and the cavity is transparent in the light source irradiation direction.
Specifically, as shown in fig. 1, the device includes a lifting guide rail, a lifting frame disposed on the lifting guide rail, a lamp holder system fixed on the lifting frame, a light source 100 assembled on the lamp holder system, and a cooling device 120 disposed in a light irradiation direction of the light source 100 and fixed on the lamp holder system. The indoor solar simulation system may further include a cold gas supply device 300 for supplying gas to the cooling device 120. The power supply system, the control system, the management system and the like can be arranged according to the conventional technical means and are electrically connected with the indoor solar simulation system.
The cooling device 120 is a closed cavity formed by a transparent material, the cold gas supplied by the cold gas supply device 300 flows in from a cold gas inlet 123 of the closed cavity, flows out from a cold gas outlet 124 of the closed cavity, and the gas flowing out through the cold gas outlet 124 is guided to the outside or introduced into the cold gas supply device 300 for circulation.
By arranging the cooling device 120 as a closed cavity, the cooling gas flows in the closed cavity and does not enter the test environment, so that the test process and the test result are not affected; and the closed cavity is formed by white transparent materials, the light transmittance is high, shadow cannot be generated on a sample to be detected, and the light uniformity is good.
More specifically, as shown in fig. 2, the closed cavity is formed by hermetically connecting a first light-transmitting member 121 and a second light-transmitting member 122 parallel to the first light-transmitting member 121 by a sealing member 125, and both the first light-transmitting member 121 and the second light-transmitting member 122 are perpendicular to the irradiation direction of the light source 100. The first light-transmitting member 121, and/or the second light-transmitting member 122 may be glass or a plastic film. Preferably, the first light-transmitting member 121 and the second light-transmitting member 122 are both made of ultra-white glass (ultra-white glass is ultra-transparent low-iron glass, and is also called low-iron glass or high-transparency glass). Preferably, at least one side of the glass is provided with a light reflection reducing layer, and the light reflection reducing layer can be a film plated on the glass for reducing light reflection.
The glass and the plastic film have good light transmission, so that the transmittance of the light source 100 is improved; meanwhile, the glass has good strength, the film is light in weight, and the glass can be conveniently connected and fixed with a lamp holder system.
Preferably, a connecting frame 126 is connected around the first and second light-transmitting members 121 and 122, the cooling device 120 is fixed to the lamp holder system by the connecting frame 126, and the sealing member 125 and the connecting frame 126 may be integrally formed or separately formed. The integrated sealing member 125 and the connecting frame 126 may be a connecting frame 126 formed by connecting four plates, and the plates are provided with a clamping groove in interference fit with the first light-transmitting member 121 and the second light-transmitting member 122, or the enclosed cavity is formed by a colorless light-transmitting material (such as glass) in an integrated manner, and the periphery of the enclosed cavity is higher than the upper and lower surfaces of the light-transmitting material to form the connecting frame 126. The split-type connecting frame 126 and the sealing member 125 may be formed by using the sealing member 125 as a rubber strip, the connecting frame 126 is a frame-shaped structure, and the first light-transmitting member 121 and the second light-transmitting member 122 are clamped in the connecting frame 126 or embedded in the connecting frame 126.
The connecting frame 126 is disposed around the closed cavity to conveniently connect the cooling device 120 to the lamp holder system for fixing the closed cavity, so that the cooling device 120 is more firmly connected to the lamp holder system.
Example two
As shown in fig. 3 to 4, based on the above embodiments, the light source 100 includes a metal halide lamp 111 and a first adjusting device 112, and the first adjusting device 112 is connected to a connecting frame 126 or a lamp holder system. At least one metal halogen lamp 111, the first adjusting device 112 is used for adjusting the position of the metal halogen lamp 111 relative to the closed cavity, and the first adjusting device 112 is used for adjusting the position of the metal halogen lamp 111 in a plane parallel to the axial section of the closed cavity, wherein the axial section is a plane parallel to the first light-transmitting member 121 and the second light-transmitting member 122, that is, the first adjusting device 112 can adjust the position of the metal halogen lamp 111 in a three-dimensional space.
Specifically, as shown in fig. 5, when the first adjusting device 112 is connected to the connecting frame 126, the first adjusting device 112 includes a first bracket 1121, a second bracket 1122, and a third bracket 1123, wherein a plurality of adjusting holes 1124 are distributed on the three brackets, and the number of the adjusting holes 1124 can be set according to actual requirements. The number of the first brackets 1121, the second brackets 1122, and the third brackets 1123 may also be set according to actual needs. The first bracket 1121 is vertically fixed to the connecting frame 126; the metal halogen lamp 111 is attached at the adjusting hole 1124 of the third bracket 1123 by a screw; the second bracket 1122 is connected to the adjustment holes 1124 of the first and third brackets 1121 and 1123 by screws. The first bracket 1121, the second bracket 1122, and the third bracket 1123 are perpendicular to each other.
In use, the distance of the metal halogen lamp 111 from the cooling device 120 and the position of the metal halogen lamp 111 in a plane parallel to the first light transmitting member 121 and the second light transmitting member 122, that is, the position of the metal halogen lamp 111 in the three-dimensional space are adjusted by adjusting the positions of the adjusting holes 1124 connecting the metal halogen lamp 111 to the third holder 1123, the positions of the adjusting holes 1124 connecting the third holder 1123 to the second holder 1122, and the positions of the adjusting holes 1124 connecting the second holder 1122 to the first holder 1121.
Preferably, slide rails and pulleys that are engaged with each other are disposed between the first bracket 1121 and the second bracket 1122, between the second bracket 1122 and the third bracket 1123, and between the third bracket 1123 and the metal halogen lamp 111, and the position of the metal halogen lamp 111 in the three-dimensional space is adjusted by sliding the pulleys on the slide rails.
The position of the metal halogen lamp 111 can be adjusted in the three-dimensional space, so that the output of the light source 100 can be conveniently adjusted, and the average solar irradiance of the artificial light source 100, which is output through the cold gas duct and then irradiates the surface of the testing area of the heat collection product to be tested, is 800W/m2The radiation illuminance distribution unevenness is less than +/-15%, the proportion of heat radiation in the total solar radiation is less than 5%, and the solar radiation intensity is 51-100% and is adjustable.
EXAMPLE III
As shown in fig. 6 to 8, an indoor solar simulation system for testing a heat collecting product includes a light source 100 and a cooling device 120. The cooling device 120 is disposed at the front end of the light irradiation direction of the light source 100; the cooling device 120 is formed by two layers of a first light-transmitting member 121 and a second light-transmitting member 122 which are arranged in parallel, light emitted by the light source 100 perpendicularly irradiates the first light-transmitting member 121 and the second light-transmitting member 122, and the two layers of light-transmitting members are sealed by a sealing member 125 to form a closed cavity. The closed cavity is provided with a cold gas inlet 123 and a cold gas outlet 124. The positions of the cold gas inlet 123 and the cold gas outlet 124 can be set according to actual needs, and in this embodiment, the cold gas inlet 123 and the cold gas outlet 124 are arranged in two opposite side directions of the cold closed cavity.
The cold gas supply device 300 mainly composed of two heat preservation air pipes 311 and an air conditioner 312 is connected between the cold gas inlet 123 and the cold gas outlet 124, wherein one heat preservation air pipe 311 is connected with the air outlet of the air conditioner 312 and the cold gas inlet 123, and the other heat preservation air pipe 311 is connected with the air inlet of the air conditioner 312 and the cold gas outlet 124. The cold gas supply device 300 may further include a refrigerator 313 connected to the air conditioner 312 to increase the cooling effect of the gas. The power supply system, the control system, the management system and the like can be arranged according to the conventional technical means and are electrically connected with the indoor solar simulation system.
And a connecting frame 126 is arranged around the closed cavity. The light source 100 is attached to the attachment frame 126. Preferably, the first adjusting device 112 described in embodiment 2 may be provided (only schematically shown in fig. 6, and particularly, see fig. 3-5), and the first adjusting device 112 is connected to the connecting frame 126.
And, a second adjusting device 200 for adjusting the height, and/or angle, of the light source 100 and the cooling device 120 is connected in the same direction as the light source 100.
Specifically, the second adjusting device 200 includes a linear track 211, a sliding slot is disposed on the linear track 211, two lifting devices 213 are mounted in the sliding slot and can slide along the sliding slot, and the lifting devices 213 are connected to the connecting frame 126. Preferably, the lifting device 213 is an electric hoist, and a wire rope of the electric hoist is fixedly connected to the connecting frame 126.
The height and the angle of the light source 100 and the cooling device 120 relative to the heat collection product to be tested can be changed simultaneously by controlling the length of the steel ropes of the two electric hoists, so that various test data can be obtained, and the use is simple and convenient.
Preferably, two linear rails 211 may be provided, and two electric hoists may be respectively installed in the sliding grooves of the two linear rails 211. The two linear rails 211 can also be replaced by a linear rail 211 with two sliding grooves. The two electric hoists are arranged in different sliding grooves, the sunshine time and angle in the real environment can be simulated by changing the mutual positions of the two electric hoists and the length of the steel rope, and the test data of the heat collection product under the real sunshine condition is obtained.
Preferably, the metal halide lamp 111 may be further connected to a voltage stabilizing controller 400 (electrical connection, not shown in fig. 6), and the metal halide lamp 111 emits stable simulated light rays according to the solar spectrum through the voltage stabilizing controller 400 and may also control the irradiation intensity through the adjustment of the voltage stabilizing controller 400.
The light controlled by the voltage stabilizing controller 400 can conveniently and efficiently adjust the stability of the output light and the irradiation intensity thereof, and the illumination condition change of the simulated sun in different periods of a day in an indoor test environment is realized.
Example four
The second adjusting device 200 of the third embodiment is replaced with a form as shown in fig. 9, and the second adjusting device 200 includes an arc-shaped rail 212, and the arc-shaped rail 212 is provided with a slide groove. The light source 100 is provided with a sliding device 214 fixed on the connecting frame 126 in the same direction, and the sliding device 214 may be a pulley, a slider, or the like. The height and angle of the light source 100 and the cooling device 120 relative to the heat collection product to be measured can be changed by sliding the sliding device 214 on the arc-shaped rail 212. When the radian of the arc-shaped track 212 is consistent with the track of the sun when rising and falling, the efficiency of the heat collection product under the irradiation of the sun in the real environment can be simulated, and the detailed test data of the heat collection product under the 24-hour sunshine condition can be obtained.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An indoor solar simulation system for testing heat collection products is characterized by comprising a light source and a cooling device, wherein the cooling device is arranged at the front end of the irradiation direction of the light source;
the cooling device is a closed cavity, the cavity is provided with an inlet and an outlet of cooling gas, and the cavity is transparent in the light source irradiation direction.
2. The indoor solar simulation system of claim 1, wherein the chamber comprises a first and second light transmissive member parallel to each other, the first and second light transmissive members each being perpendicular to the direction of illumination of the light source, the first and second light transmissive members being sealed by a sealing member.
3. An indoor solar simulation system according to claim 2, wherein the first light transmissive element is a glass or transparent film light transmissive element and/or the second light transmissive element is a glass or transparent film light transmissive element.
4. The indoor solar simulation system of claim 3, wherein the glass light transmissive member is an ultra-white glass light transmissive member.
5. An indoor solar simulation system according to claim 3, wherein at least one side of the glass light transmitting member is provided with an antireflection layer for reducing light reflection.
6. An indoor solar simulation system according to any one of claims 1 to 5, wherein the light source comprises a metal halide lamp and a first conditioning device connected to the metal halide lamp; the first adjusting device is used for adjusting the position of the metal halogen lamp in the three-dimensional space.
7. An indoor solar simulation system according to claim 6, wherein the cavity is connected with a connection frame surrounding the cavity, and the connection frame is used for fixing the cavity.
8. An indoor solar simulation system according to claim 7, wherein the connection frame is connected with the first adjustment device.
9. An indoor solar simulation system according to claim 7, further comprising a second adjustment device;
the second adjusting device comprises a linear track and at least two lifting devices which can slide along the linear track, and the lifting devices are connected with the connecting frame;
or,
the second adjusting device comprises an arc track and a sliding device matched with the arc track, and the sliding device is fixedly connected with the connecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451373.0U CN204829492U (en) | 2015-06-25 | 2015-06-25 | A indoor sun analog system for thermal -arrest product test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451373.0U CN204829492U (en) | 2015-06-25 | 2015-06-25 | A indoor sun analog system for thermal -arrest product test |
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| CN204829492U true CN204829492U (en) | 2015-12-02 |
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| CN201520451373.0U Active CN204829492U (en) | 2015-06-25 | 2015-06-25 | A indoor sun analog system for thermal -arrest product test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930406A (en) * | 2015-06-25 | 2015-09-23 | 中国建筑科学研究院 | Indoor solar simulation system for testing heat collection products |
| CN107456933A (en) * | 2017-07-05 | 2017-12-12 | 深圳蓝新科技有限公司 | Light reaction instrument |
-
2015
- 2015-06-25 CN CN201520451373.0U patent/CN204829492U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930406A (en) * | 2015-06-25 | 2015-09-23 | 中国建筑科学研究院 | Indoor solar simulation system for testing heat collection products |
| CN104930406B (en) * | 2015-06-25 | 2018-03-23 | 中国建筑科学研究院有限公司 | Indoor solar simulation system for testing heat collection products |
| CN107456933A (en) * | 2017-07-05 | 2017-12-12 | 深圳蓝新科技有限公司 | Light reaction instrument |
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