CN113466114A - Low-energy-consumption artificial climate aging device - Google Patents
Low-energy-consumption artificial climate aging device Download PDFInfo
- Publication number
- CN113466114A CN113466114A CN202110597544.0A CN202110597544A CN113466114A CN 113466114 A CN113466114 A CN 113466114A CN 202110597544 A CN202110597544 A CN 202110597544A CN 113466114 A CN113466114 A CN 113466114A
- Authority
- CN
- China
- Prior art keywords
- radiation source
- low
- energy
- sample placing
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/006—Solar simulators, e.g. for testing photovoltaic panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to a low-energy-consumption artificial weathering device, which comprises a sample placing rack and a radiation source which are coaxially arranged, wherein the sample placing rack and the radiation source are in inverted semi-conical shapes, a gap is formed between the sample placing rack and the radiation source, and the radiation source is rotatably arranged in the sample placing rack; the radiation source comprises a rotating shaft, a supporting seat and a lamp panel, the supporting seat is fixed on the rotating shaft, and the lamp panel is arranged on the outer side surface of the supporting seat; the lamp panel comprises a substrate and an LED light source arranged on the substrate; the LED light source at least comprises a plurality of ultraviolet LED lamps, the ultraviolet LED lamps comprise a plurality of types with different wavelengths, and the plurality of ultraviolet LED lamps form ultraviolet spectrum components similar to solar radiation; the low-energy-consumption artificial climate aging device has the advantages of simple structure, low energy consumption and long service life, and can simulate various test environments simultaneously and effectively reduce the detection cost.
Description
Technical Field
The invention belongs to the technical field of artificial climate aging equipment, and particularly relates to a low-energy-consumption artificial climate aging device.
Background
Light, heat, water and oxidation are several important factors that contribute to the aging of materials, and in order to evaluate the material properties, artificial weathering tests are generally used to evaluate the life of the material. The artificial weathering test is an artificial accelerated weathering test method for simulating and enhancing factors such as light, heat, humidity and rainfall in the atmospheric environment in a closed environment (such as a test chamber).
Research has shown that light is one of the most important factors leading to material aging; many of the objects to be studied in the artificial weathering test are polymer materials, and the deterioration of the properties of these materials is mainly caused by photochemical reactions induced by ultraviolet rays in solar radiation, and since other chemical reactions in the materials are greatly affected by temperature, temperature is also an important factor affecting the aging of the materials.
The wavelength causing the polymer material to be damaged in sunlight is mainly concentrated in ultraviolet rays and part of visible light. The artificial light sources used in the current artificial weathering test try to make the energy spectrum distribution in the wavelength interval close to the solar spectrum. At present, two artificial light sources, namely a xenon arc lamp light source and a fluorescent ultraviolet lamp light source, are mainly used in artificial climate aging tests in China, briefly, the spectrum (300 + 800 nm) of the xenon arc lamp light source is close to the spectrum of sunlight, the light energy and the temperature of a blackboard are easy to control, the artificial climate aging tests are one of laboratory light sources recommended by the international standards committee and the national standards committee at present, the high-end xenon arc lamp in China is mostly imported from Europe and America at present, and the artificial climate aging tests have the defects that a cooling system is required to be arranged to cool the xenon arc lamp, the service life of the xenon arc lamp is short, and the cost is relatively high. The fluorescent ultraviolet lamp light source (250-. With the development of the technology, at present, by adopting LED ultraviolet lamps with various wavelengths and partial common LEDs, a radiation source with spectral distribution closer to sunlight and better simulation can be formed, and in addition, if the switches and the illumination of the LED lamps with different wavelengths are respectively controlled, more irradiation modes can be realized.
In addition, the artificial climate aging box is also required to be provided with relatively complex systems for ventilation, temperature regulation, humidity regulation and the like, which also causes the defects of high cost, large volume and the like of the artificial climate aging box; moreover, the artificial weathering test often requires hundreds of hours or even thousands of hours, and a large amount of energy is consumed.
Disclosure of Invention
The invention aims to provide the artificial climate aging device which is simple in structure, low in energy consumption and long in service life.
It is another object of the present invention to provide an artificial weathering device that can provide multiple testing environments simultaneously.
In order to solve the technical problem, the invention discloses a low-energy-consumption artificial weathering device, which comprises a sample placing frame and a radiation source which are coaxially arranged, wherein the sample placing frame and the radiation source are in inverted semi-cone shapes, a gap is formed between the sample placing frame and the radiation source, and the radiation source is rotatably arranged in the sample placing frame;
the radiation source comprises a rotating shaft, a supporting seat and a lamp panel, the supporting seat is fixed on the rotating shaft, and the lamp panel is arranged on the outer side surface of the supporting seat;
the lamp panel comprises a substrate and an LED light source arranged on the substrate; the LED light source comprises at least a plurality of ultraviolet LED lamps, the ultraviolet LED lamps comprise a plurality of different wavelengths, and the plurality of ultraviolet LED lamps form ultraviolet spectrum components similar to solar radiation.
Preferably, a plurality of radiating fins are uniformly arranged on the outer side surface of the substrate in a radial shape.
Preferably, the height of the heat sink fins protruding from the base plate is not less than 1/20, which is the minimum gap distance between the sample holder and the radiation source.
Preferably, the LED light source further includes a non-ultraviolet type light emitting diode, and the plurality of ultraviolet LED lamps and the non-ultraviolet type light emitting diode form a spectral component more similar to solar radiation.
Preferably, the inner side of the sample placing rack is step-shaped, and when the inner side of the sample placing rack is provided with a plurality of steps, the steps are gradually close to the rotating shaft from top to bottom; the inclined plane of every step is parallel with the lamp plate, and the inclined plane of step forms the portion of placing that is used for placing and fixed sample.
Preferably, each layer of placing part of the sample placing rack is provided with an independently controlled electric heating temperature compensation device.
Preferably, each layer of placing part of the sample placing rack is provided with a temperature detection device.
Preferably, the sample placing rack is provided with a heat preservation material on the outer side.
Preferably, the sample placing rack is also at least provided with a spraying device.
Preferably, the substrate is an aluminum substrate or a flexible circuit board subjected to waterproof treatment.
The low-energy consumption artificial weathering device of the invention has at least the following advantages:
1. the structure is simple, the heating system, the air blast system and the cooling system in the common artificial climate aging device are simplified, and the rotating radiation source and the radiating fins solve the radiating problem of the light source; the radiating fins also play a certain role of fan blades, and only the rotating speed of the radiation source needs to be increased when strong wind needs to be simulated; the heat dissipated by the heat dissipation fins and the LED light source can provide stable local environment temperature for the sample.
2. Adopt the LED light source of low energy consumption, the life-span is longer to, because sample rack and radiation source are close to the setting for the LED light source adopts the less lamp pearl of power can realize required UV illuminance, the energy saving.
3. Placing the samples on different placing parts, wherein the UV illumination and the temperature of the samples are changed along with the change of the distance between the placing parts and the radiation source; the plurality of placing parts and the heating and temperature supplementing of the electric heating temperature compensation device can provide various UV illumination and temperature modes simultaneously; the control test of various environments can be carried out on a plurality of samples in one test, and the test result is more reliable.
4. When in use, the radiation source keeps rotating, and the effect of better simulating sunlight moving irradiation can be achieved.
Drawings
FIG. 1 is a schematic diagram of a low energy consumption artificial weathering apparatus;
fig. 2 is a schematic perspective view of the radiation source of fig. 1.
The reference numbers in the figures are: 1-sample placing frame, 11-step, 111-placing part, 12-electric heating temperature compensation device, 13-thermal insulation material, 14-spraying device, 2-radiation source, 21-rotating shaft, 22-supporting seat, 23-lamp plate, 231-substrate, 232-LED light source, 24-radiating fin and 3-gap.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-2, a low-energy consumption artificial weathering device comprises a sample placing rack 1 and a radiation source 2 which are coaxially arranged, wherein the sample placing rack and the radiation source are in inverted semi-conical shapes, a gap 3 is arranged between the sample placing rack and the radiation source, and the radiation source is rotatably arranged in the sample placing rack; sample rack and radiation source are the half cone setting of invering, and water flows down smoothly from the sample when conveniently spraying to make the heat that radiating fin gived off can be more upwards effluvium along the base plate surface, avoid producing great influence to the temperature of different portions of placing.
Have the clearance between sample rack and the radiation source, the setting in clearance is according to radiation source power, sample size etc. and is set up, but overall, the clearance width will be much less than ordinary artificial climate ageing device's fluorescent tube and sample distance, and less clearance width makes the LED light source adopt the less lamp pearl of power can realize required UV illuminance, the energy saving, in addition, because the less lamp pearl price of power is lower relatively, also can practice thrift the cost to a certain extent.
The radiation source comprises a rotating shaft 21, a supporting seat 22 and a lamp panel 23, the supporting seat is fixed on the rotating shaft, and the lamp panel is arranged on the outer side face of the supporting seat; the substrate is an aluminum substrate or a flexible circuit board which is subjected to waterproof treatment.
The lamp panel comprises a substrate 231 and an LED light source 232 arranged on the substrate; the LED light source comprises at least a plurality of ultraviolet LED lamps, the ultraviolet LED lamps comprise a plurality of different wavelengths, and the plurality of ultraviolet LED lamps form ultraviolet spectrum components similar to solar radiation.
A plurality of radiating fins 24 are radially and uniformly arranged on the outer side surface of the substrate. The radiating fins solve the radiating problem of the light source; besides, different from a common radiator, the heat radiating fins guide the heat to one side where the lamp beads are located, so that the heat emitted by the heat radiating fins can form one part of the test environment required by the sample, and the energy is saved. The fan also has the function of certain fan blades, and only the rotating speed of the radiation source needs to be increased when strong wind needs to be simulated or the radiation of the radiation source needs to be increased, so that an independent cooling system is not required to be arranged on the radiation source.
The height of the radiating fins protruding out of the base plate is not lower than 1/20 of the minimum gap distance between the sample placing frame and the radiation source, so that the radiating capacity of the radiating fins and the capacity of driving surrounding air are guaranteed, and when the height of the radiating fins and the rotating speed of the radiation source are determined, the wind speed on the placing portion corresponding to the local part of the radiating fins is also better determined (relative to an air blower).
The LED light source further comprises a non-ultraviolet type light emitting diode, and the plurality of ultraviolet LED lamps and the non-ultraviolet type light emitting diode form a spectral component which is more similar to solar radiation.
The inner side of the sample placing rack is step-shaped, and when the inner side of the sample placing rack is provided with a plurality of steps 11, the steps are gradually close to the rotating shaft from top to bottom; the inclined plane of every step is parallel with the lamp plate to guarantee that the UV illuminance that each part received on the same placing part is even, the inclined plane of step forms the placing part 111 that is used for placing and fixed sample. And each layer of placing part of the sample placing frame is provided with an independently controlled electric heating temperature compensation device 12. The inclined plane of each step is parallel to the lamp panel, so that the uniform UV illumination on each part on the same placing part can be ensured; placing the samples on different placing parts, wherein the UV illumination and the temperature of the samples are changed along with the change of the distance between the placing parts and the radiation source; the plurality of placing parts and the heating and temperature supplementing of the electric heating temperature compensation device can provide various UV illumination and temperature modes simultaneously; the control test of various environments can be carried out on a plurality of samples in one test, and the test result is more reliable.
Further, the LED light source can be arranged in different areas according to the different areas corresponding to the placing part, the spectrum composition, the illumination and the like of each area can be respectively controlled, and more test environments can be created.
All be equipped with temperature-detecting device (like blackboard or black mark etc.) on every layer of standing portion of sample rack, temperature-detecting (control) device is according to target temperature, and control electrical heating temperature compensation device carries out heating compensation, makes the temperature of standing portion reach the requirement. In addition, a humidifier, a humidity detection device, or the like may be separately provided.
The outer side of the sample placing frame is provided with a heat insulation material 13; the heat insulating material can prevent excessive heat loss and save energy.
The sample placing frame is at least provided with a spraying device 14. Spray set can locate on the portion of placing of the top layer, directly sprays the top layer portion of placing, makes water from last down runner each sample on, certainly, if the clearance width between sample rack and the radiation source is enough, also can set up the shower in the clearance, the shower edgewise sprays the sample, avoids the shower to cause the sample to shelter from.
Each placement section should indicate the base temperature (no heating compensation) and the UV illumination in the steady operating state. During the use, select corresponding portion of placing as required, set up required temperature, it is fixed with the sample subsides portion of placing to make the radiation source keep rotating, not only be favorable to illumination equipartition and heat dissipation like this, the removal effect of simulation illumination that can also be better. After the test of one stage is finished, the sample can be moved to another placing part by a manual or mechanical arm to finish other tests; multiple samples can be prevented simultaneously.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. The low-energy-consumption artificial climate aging device is characterized by comprising a sample placing frame and a radiation source which are coaxially arranged, wherein the sample placing frame and the radiation source are in inverted semi-conical shapes, a gap is formed between the sample placing frame and the radiation source, and the radiation source is rotatably arranged in the sample placing frame;
the radiation source comprises a rotating shaft, a supporting seat and a lamp panel, the supporting seat is fixed on the rotating shaft, and the lamp panel is arranged on the outer side surface of the supporting seat;
the lamp panel comprises a substrate and an LED light source arranged on the substrate; the LED light source comprises at least a plurality of ultraviolet LED lamps, the ultraviolet LED lamps comprise a plurality of different wavelengths, and the plurality of ultraviolet LED lamps form ultraviolet spectrum components similar to solar radiation.
2. The low energy consumption artificial weathering device of claim 1 wherein the outer surface of the base plate has a plurality of radiating fins radially and uniformly disposed thereon.
3. The low energy consumption weathering device of claim 2 wherein the fins protrude from the base plate no less than 1/20 of the minimum gap distance between the sample holder and the radiation source.
4. The low energy consumption weathering device of claim 1, wherein the LED light source further includes a non-uv type light emitting diode, the plurality of uv LED lights and the non-uv type light emitting diode forming a spectral composition more closely approximating solar radiation.
5. The low-energy-consumption artificial weathering device according to claim 1, characterized in that the inside of the sample placing rack is step-shaped, and when the inside of the sample placing rack has a plurality of steps, the steps are gradually close to the rotating shaft from top to bottom; the inclined plane of every step is parallel with the lamp plate, and the inclined plane of step forms the portion of placing that is used for placing and fixed sample.
6. The low-energy-consumption artificial weathering device according to claim 5, characterized in that an independently controlled electric heating temperature compensation device is arranged on each layer of the placing part of the sample placing rack.
7. The low-energy-consumption artificial weathering device according to claim 6, characterized in that a temperature detection device is arranged on each layer of the placing part of the sample placing rack.
8. The low-energy-consumption artificial weathering device according to claim 6, characterized in that the sample placing rack is provided with heat insulating material on the outside.
9. The low-energy-consumption artificial weathering device according to claim 1, characterized in that the sample placing rack is also provided with at least a spraying device.
10. The low energy consumption artificial weathering device according to claim 1 characterized in that the substrate is a waterproof treated aluminum substrate or a flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597544.0A CN113466114B (en) | 2021-05-31 | 2021-05-31 | Low-energy consumption artificial climate aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597544.0A CN113466114B (en) | 2021-05-31 | 2021-05-31 | Low-energy consumption artificial climate aging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113466114A true CN113466114A (en) | 2021-10-01 |
| CN113466114B CN113466114B (en) | 2023-08-11 |
Family
ID=77871695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110597544.0A Active CN113466114B (en) | 2021-05-31 | 2021-05-31 | Low-energy consumption artificial climate aging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113466114B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3291504B1 (en) * | 2001-07-12 | 2002-06-10 | スガ試験機株式会社 | Weather resistance test equipment |
| CN1619287A (en) * | 2003-10-27 | 2005-05-25 | 阿特莱斯材料检测技术有限公司 | UV light-emitting diodes as a radiation source in a device for the artificial weathering of samples |
| CN2760545Y (en) * | 2004-12-27 | 2006-02-22 | 广州合成材料研究院 | Device for testing artificial climate aging of xenon lamp |
| CN102226505A (en) * | 2011-04-27 | 2011-10-26 | 深圳市中电照明股份有限公司 | Light source with rotatable head |
| CN105355766A (en) * | 2015-10-28 | 2016-02-24 | 哈尔滨工业大学深圳研究生院 | Radiator |
| WO2017107082A1 (en) * | 2015-12-23 | 2017-06-29 | 苏文藏 | Strongly heat-radiation rotatable led street lamp |
| CN207248705U (en) * | 2016-12-26 | 2018-04-17 | 东莞市勤卓环境测试设备有限公司 | A kind of Ultraluminescence ageing oven |
| CN108519323A (en) * | 2018-04-23 | 2018-09-11 | 南昌工程学院 | Luminescent material anti-attenuation degradation detecting device |
| CN109357993A (en) * | 2018-09-28 | 2019-02-19 | 中国人民解放军第五七九工厂 | Three temperature section water oxygen of carborundum based material couples corrosion device |
| CN212432934U (en) * | 2020-06-23 | 2021-01-29 | 无锡腾川仪器设备有限公司 | Artificial climate aging test box |
| CN112595656A (en) * | 2020-12-09 | 2021-04-02 | 中国兵器工业第五九研究所 | Testing device and evaluation method for adaptability of explosive device long-storage environment for bomb |
| CN212969302U (en) * | 2020-09-08 | 2021-04-13 | 揭阳市榕城区恒兴电机有限公司 | Motor end cover capable of accelerating heat dissipation of motor |
-
2021
- 2021-05-31 CN CN202110597544.0A patent/CN113466114B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3291504B1 (en) * | 2001-07-12 | 2002-06-10 | スガ試験機株式会社 | Weather resistance test equipment |
| CN1619287A (en) * | 2003-10-27 | 2005-05-25 | 阿特莱斯材料检测技术有限公司 | UV light-emitting diodes as a radiation source in a device for the artificial weathering of samples |
| CN2760545Y (en) * | 2004-12-27 | 2006-02-22 | 广州合成材料研究院 | Device for testing artificial climate aging of xenon lamp |
| CN102226505A (en) * | 2011-04-27 | 2011-10-26 | 深圳市中电照明股份有限公司 | Light source with rotatable head |
| CN105355766A (en) * | 2015-10-28 | 2016-02-24 | 哈尔滨工业大学深圳研究生院 | Radiator |
| WO2017107082A1 (en) * | 2015-12-23 | 2017-06-29 | 苏文藏 | Strongly heat-radiation rotatable led street lamp |
| CN207248705U (en) * | 2016-12-26 | 2018-04-17 | 东莞市勤卓环境测试设备有限公司 | A kind of Ultraluminescence ageing oven |
| CN108519323A (en) * | 2018-04-23 | 2018-09-11 | 南昌工程学院 | Luminescent material anti-attenuation degradation detecting device |
| CN109357993A (en) * | 2018-09-28 | 2019-02-19 | 中国人民解放军第五七九工厂 | Three temperature section water oxygen of carborundum based material couples corrosion device |
| CN212432934U (en) * | 2020-06-23 | 2021-01-29 | 无锡腾川仪器设备有限公司 | Artificial climate aging test box |
| CN212969302U (en) * | 2020-09-08 | 2021-04-13 | 揭阳市榕城区恒兴电机有限公司 | Motor end cover capable of accelerating heat dissipation of motor |
| CN112595656A (en) * | 2020-12-09 | 2021-04-02 | 中国兵器工业第五九研究所 | Testing device and evaluation method for adaptability of explosive device long-storage environment for bomb |
Non-Patent Citations (1)
| Title |
|---|
| 刘奕忍;李琴梅;高峡;刘伟丽;: "两种光老化设备QUV紫外荧光老化试验箱和Q-Sun氙灯老化试验箱比较", 食品安全质量检测学报, no. 11, pages 4378 - 4381 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113466114B (en) | 2023-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7348581B2 (en) | UV light-emitting diodes as a radiation source in a device for the artificial weathering of samples | |
| EP2440838A2 (en) | Customizable, long lasting, thermally efficient, environment friendly, solid-state lighting apparatuses | |
| US8773021B2 (en) | Light soaking system for photovoltaic modules | |
| CN203431636U (en) | Matrix type solar simulator | |
| Watjanatepin | Design construct and evaluation of six-spectral LEDs-based solar simulator based on IEC 60904-9 | |
| KR101462107B1 (en) | Light Soaking Apparatus of Solar Cell Module | |
| CN110986012A (en) | LED lamp tube with heat dissipation function and manufacturing method thereof | |
| CN113466114A (en) | Low-energy-consumption artificial climate aging device | |
| JP2013222945A (en) | Light irradiation device for testing solar cell | |
| CN105351790A (en) | Non-compensation all-solid light source type LED solar simulator | |
| CN204243005U (en) | A kind of photovoltaic module light soaking system device | |
| CN102588781B (en) | LED plant growth down lamp | |
| CN202302899U (en) | Large-power light-emitting diode (LED) lamp | |
| CN209213565U (en) | A kind of novel LED spotlight | |
| CN201897097U (en) | LED lighting fixture with changeable color and brightness | |
| CN218328058U (en) | Ceramic LED lamp bead with explosion-proof function | |
| CN207471176U (en) | A kind of LED light with aromatherapy function | |
| CN109340638A (en) | A kind of LED spotlight of furred ceiling high efficiency and heat radiation | |
| CN219674157U (en) | Low-attenuation semiconductor LED module | |
| CN214147461U (en) | Embedded adjustable angle LED tricolor lamp | |
| CN202118685U (en) | Light-emitting diode (LED) lighting device of advertisement board | |
| CN218095847U (en) | Circular LED paster that radiating effect is good | |
| CN211952415U (en) | Cooling heat radiation structure's waterproof handkerchief lamp | |
| CN220688821U (en) | Intelligent control shelter lamp | |
| CN219664312U (en) | Ultraviolet curing device with low polymerization loss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |