CN104141892B - Fitting structure - Google Patents
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- CN104141892B CN104141892B CN201310166999.2A CN201310166999A CN104141892B CN 104141892 B CN104141892 B CN 104141892B CN 201310166999 A CN201310166999 A CN 201310166999A CN 104141892 B CN104141892 B CN 104141892B
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- storage
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Abstract
A kind of fitting structure, including lamp casing, light source in the lamp casing, extractor fan, cold piece of storage, pipeline and cooling assembly, during the light source works heat is produced in the lamp casing, cold piece of the storage is connected with the extractor fan, the cooling assembly is installed in the side of cold piece of the storage, and fit in cold piece of the storage, one end of the pipeline is connected to the opposite side of cold piece of the storage, the other end is connected with the inside of the lamp casing, the cooling assembly absorbs the heat in cold piece of the storage, the extractor fan extracts the gas in the lamp casing out, the cold block of gas to extractor fan output of the storage carries out cooling treatment, and the gas after the pipeline processes cooling is delivered to the lamp casing.The fitting structure causes flow of cold air using extractor fan, cold piece of storage, pipeline and cooling assembly, improves heat loss through conduction efficiency, solves the problems, such as the non-uniform temperature inside conventional lamp, improves the service life of the fitting structure.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of fitting structure.
Background technology
Fluorescent lamp, Halogen lamp LED, floodlight, LED have become indispensable illuminator lamp in people's life, work
Tool, such as various aspects that these light fixtures are increasingly being applied in people's live and work, advertisement, label, illumination, interior
The application such as decoration.When using, these light fixtures send different light after powered up, and can be produced during work a large amount of
Heat, these heats can only be conducted by the housing of light fixture mostly to be distributed.
However, such radiating mode is often less efficient, the inside of light fixture and casing surface temperature can be caused uneven
It is even, reduce the service life of light fixture.And, the temperature of projecting environment, the heat meeting that it is distributed when these light fixtures work
Cause the rising of ambient temperature, it is difficult to the need for meeting specific work environments, for example, hospital, computer room, laboratory, pharmacy
Workshop etc. needs to keep the place of steady temperature or temperature range.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of radiating effect preferably and can keeping temperature it is constant
Fitting structure.
In order to solve the above-mentioned technical problem, the invention provides a kind of fitting structure, including lamp casing, positioned at the light fixture
Light source, extractor fan, cold piece of storage, pipeline and cooling assembly in housing, produce during the light source works in the lamp casing
Heat amount, cold piece of the storage is connected with the extractor fan, and the cooling assembly is installed in the side of cold piece of the storage, and fits
In in cold piece of the storage, one end of the pipeline is connected to the opposite side of cold piece of the storage, the other end of the pipeline and the light fixture
The inside of housing is connected, and the cooling assembly absorbs the heat in cold piece of the storage, and the extractor fan exports the light fixture
Gas in housing, cold piece of the storage carries out cooling treatment to the gas that the extractor fan is extracted out, and will by the pipeline
Gas after cooling treatment is delivered to the lamp casing.
Wherein, the lamp casing includes bottom wall, roof and connects the perisporium of the bottom wall and roof, the bottom wall, roof
An accommodating cavity is surrounded with the perisporium, some through holes are offered on the bottom wall.
Wherein, the fitting structure also includes reflector assembly and transparent components, and the reflector assembly is removably pacified
Loaded in the accommodating cavity, the reflector assembly is curved mirror or spherical mirror, to the light that light source described in reflecting focal sends,
The transparent components are an optical lens or the lens group formed by multiple optical lenses, and the transparent components are located at described accommodating
In chamber, and the roof of the lamp casing is fixed on, the transparent components transmit light and the reflection that the light source sends
The light that device assembly is reflected.
Wherein, the fitting structure also includes fixture, and the fixture is connected and is adjacent to the bottom wall, and by described
Some through holes are connected with the inside of the lamp casing, and the gas in the lamp casing is conducted to institute by some through holes
State in fixture.
Wherein, cold piece of the storage is the metal conduction block formed by aluminium or copper, and it is logical that cold piece of the storage offers some radiatings
Road, the heat dissipation channel runs through two pairs of both sides of cold piece of the storage, and the extractor fan is installed on the side of the fixture, and
The side of cold piece of the storage is connected to, and is directed at the heat dissipation channel, the extractor fan transmits the hot-air in the fixture
Heat exchange is carried out to cold piece of the storage.
Wherein, it is coated with heat-conducting silicone grease on the cooling assembly and the contact surface of cold piece of the storage.
Wherein, the cooling assembly is semiconductor chilling plate, and forms cold end and hot junction, the cooling assembly after powered up
Cold end fit in cold piece of side of the storage, and absorb the heat of cold piece of the storage so that cold piece of the storage is maintained at the temperature of setting
Degree or temperature range.
Wherein, the cooling assembly is electrically connected with by wiring with switch and temperature-control circuit, to control and set institute
State the cryogenic temperature of cooling assembly, the switch closure, the temperature-control circuit by adjusting different gears, to adjust output
To the electric current at the cooling assembly two ends, the cooling assembly adjusts the cryogenic temperature of its cold end according to the size of electric current.
Wherein, the fitting structure also includes radiating subassembly, and the radiating subassembly includes radiating block and radiator fan, and this dissipates
Heat is packaged on the cooling assembly, and contacts to conduct generation when the cooling assembly works with the hot junction of the cooling assembly
Heat, the radiator fan is detachably mounted on the side of the radiating block, the heat that radiating block absorbs dispersed.
Wherein, two openings are opened up on the lamp casing, one of them can be as gas outlet being embedded the exhausting wind
In the inner, another opening is connected fan as air inlet with the pipeline, and the gas in the lamp casing is taken out via described
Wind fan, cold piece of the storage and the pipeline carry out convective exchange, to cause that the temperature in the lamp casing is maintained at constant
Temperature or temperature range.
In fitting structure provided by the present invention, a predetermined cryogenic temperature is produced after the cooling assembly energization work
Or temperature range, and absorbing the heat of cold piece of the storage so that cold piece of the storage is reduced to predetermined temperature or temperature range, described to take out
Wind fan extracts the hot-air in the lamp casing out, and the hot-air is delivered into cold piece of the storage carries out cooling treatment, institute
State cold piece of storage and hot-air is converted to the air of predetermined temperature by heat exchange, and the air after cooling is sent to the pipeline
Interior, the air after cooling enters in the lamp casing via the pipeline, so as to reduce the temperature of the lamp casing, and then
So that the fitting structure keeps stationary temperature or temperature range.Therefore, the fitting structure using extractor fan, storage cold piece,
Pipeline and cooling assembly cause flow of cold air, so as to improve heat loss through conduction efficiency.Additionally, the heat in the lamp casing is empty
Gas is exchanged by cold-hot air convection so that the inside of whole lamp casing and surface temperature are more uniform, solve conventional lights
Non-uniform temperature problem inside tool, improves the service life of the fitting structure, and meet the need of specific work environments
Will.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the accompanying drawing to be used needed for implementation method will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the partial cutaway view schematic of the fitting structure that embodiment of the present invention is provided.
Fig. 2 is the rearview of the fitting structure that embodiment of the present invention is provided.
Fig. 3 is the front view that embodiment of the present invention provides forehead lamp lamps structure.
Fig. 4 is the sectional view along IV-IV shown in Fig. 3.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1, embodiment of the present invention provides a kind of fitting structure 100, its lamp adapter assembly 20, fixture 30, take out
Wind fan 40, cold piece 50 of storage, pipeline 60, cooling assembly 70 and radiating subassembly 80.The extractor fan 40 is installed in the fixation
On part 30, and the hot-air in the fixture 30 can be extracted out, the hot-air is described via being sent to after cold piece 50 cooling of the storage
In pipeline 60, the pipeline 60 is connected with the fixture 30, and cold air is transmitted to the fixture 30, with by convection current
Mode reduce temperature inside the fitting structure 100.
The lamp adapter assembly 20 includes lamp casing 22, transparent components 23, light source 24, light source base（It is not shown）, reflector
Component 26 and circuit board 27.It is substantially in hollow column that the lamp casing 22 is overall, it include bottom wall 223, roof 224 and
The perisporium 225 of the bottom wall 223 and roof 224 is connected, the bottom wall 223, roof 224 surround an accommodating cavity with the perisporium 225
222.Some through holes 226 are offered on the bottom wall 223.The transparent components 23 can be for an optical lens or by multiple optics
The lens group of lens forming, it is located in the accommodating cavity 222, and is fixed on the roof 224 of the lamp casing 22（That is light
Exit end）, the transparent components 23 are used to transmiting the light that the light source 24 sends and the reflector assembly 26 reflected
Light.
The light source 24 is located in the accommodating cavity 222 of the lamp casing 22 and is removably installed in the light source base
On.In embodiments of the present invention, the light source 40 can be any one in LED, fluorescent lamp, Halogen lamp LED, floodlight, and it is logical
The light of respective color, intensity is sent after electricity as needed.The light source base is installed in the accommodating cavity 222 of the lamp casing 22
Interior, it can keep the position of the light source 24, and be electrically connected with the power supply the light source 24.The reflector assembly 26 is detachable
Be installed in the accommodating cavity 222 of the lamp casing 22, its can be curved mirror or spherical mirror, the reflector assembly 26 reflection converge
The light that the poly- light source 24 sends, and the light after reflection is transmitted away by the transparent components 23.
The wiring board 27 is located in the accommodating cavity 222, and is fixed on the bottom wall 223 of the lamp casing 22.Should
Wiring board 27 is used to lay the electronic components such as mu balanced circuit, protection circuit, amplifying circuit, and for each electronic component is provided electrically
Connection.The light source base is installed on the wiring board 27, and is electrically connected with by between the wiring board 27 and power supply, so as to be institute
State light source 24 and electric energy support is provided.
Also referring to Fig. 2 and Fig. 3, the fixture 30 can be made up of metal materials such as aluminium, copper, and it includes cavity 32.
The fixture 30 is connected and is adjacent to the bottom wall 223, and the heat that the light source 24 is produced passes through the bottom wall 223 and through hole 226
Conduct to the fixture 30.In embodiments of the present invention, the side of the fixture 30 has opening, and the open side is covered at
On the bottom wall 223, the lamp casing 22 is connected by some through holes 226 with the cavity 32, and the light source 24 is produced
Raw heat can be conducted to the cavity 32 by the through hole 226.
The extractor fan 40 is removably installed in the side of the fixture 30, and rotation can extract this out and consolidate after its energization
Determine the hot-air in part 30, and the hot-air be delivered to the storage to carry out cooling treatment for cold piece 50.It is described storage cold piece 50 can be
The metal conduction block formed by metals such as aluminium, copper, it mode such as can be connected by screw, rivet, being connected together and removably connecting
It is connected on the extractor fan 40.In embodiments of the present invention, the storage offers some heat dissipation channels for cold piece 50（It is not shown）,
The heat dissipation channel runs through two pairs of both sides for storing up cold piece 50, to increase area of dissipation.The extractor fan 40 is connected to institute
The side stored up cold piece 50 is stated, and is directed at the heat dissipation channel, be sent to for the hot-air in the fixture 30 by the extractor fan 40
The storage carries out heat exchange for cold piece 50, to reduce the temperature of flowed through air.
In embodiments of the present invention, the one end of the pipeline 60 is connected and fixed on cold piece 50 of opposite side of the storage, and is aligned
The heat dissipation channel, the other end of the pipeline 60 is connected to the fixture 30, and is connected with the cavity 32.The exhausting
Fan 50 extracts the hot-air in the cavity 32 out, and the hot-air is sent in the heat dissipation channel for storing up cold piece 50, the storage
Cold piece 50 air that hot-air is converted to predetermined temperature by heat exchange, and the air after cooling is sent to the pipeline 60
It is interior.Air after cooling enters in the cavity 32 of the fixture 30 via the pipeline 60, so as to reduce the fixture 30
Temperature, and then cause the fitting structure 100 keep stationary temperature or temperature range.
The cooling assembly 70 is installed in cold piece 50 of side of the storage, and is close to cold piece 50 of the storage, the cooling assembly 70
The absorbable heat stored up on cold piece 50, so that the storage is maintained at stationary temperature or temperature range for cold piece 50.At this
In inventive embodiments, on cold piece 50 of contact surface of the cooling assembly 70 and the storage can coated with thermally conductive silicone grease, to increase the system
Cold component 70 with storage cold piece 50 between fit tight ness rating and the capacity of heat transmission.
In embodiments of the present invention, the cooling assembly 70 can be semiconductor chilling plate, and it can after powered up form cold end
And hot junction.The cold end of the cooling assembly 70 can fit in the side for storing up cold piece 50 by heat-conducting silicone grease, and it is cold to absorb the storage
The heat of block 50 so that the storage is maintained at the temperature or temperature range of setting for cold piece 50.The extractor fan 40 extract out via
The storage is converted to the air-flow of design temperature for cold piece 50 afterwards, and the air-flow is delivered in the fixture 30 via the pipeline 60,
So that the fixture 30 and lamp adapter assembly 20 are maintained at the temperature or temperature range of setting.In other embodiments of the present invention, institute
Stating cooling assembly 70 can be electrically connected with by wiring with switch and temperature-control circuit, to control and set the cooling assembly 70
Cryogenic temperature, specifically, close the switch, by adjusting the different gears of the temperature-control circuit, can adjust output to institute
The electric current at the two ends of cooling assembly 70 is stated, the cooling assembly 70 adjusts the cryogenic temperature of its cold end according to the size of electric current.
Also referring to Fig. 4, the radiating subassembly 80 includes radiating block 82 and radiator fan 84, and the radiating block 82 can be by
The materials such as copper, aluminium, albronze are made, and it can be connected by screw, rivet, being connected together etc., and fixed form is installed in the system
On cold component 70, and it is fully contacted with the hot junction of the cooling assembly 70, so as to the heat produced when the cooling assembly 70 is worked
Amount conduction sheds.In embodiments of the present invention, in order to increase area of dissipation, some axial direction sides are offered on the radiating block 82
To the fluting 822 for extending.The radiator fan 84 mode such as can be connected by screw, rivet, being connected together and removably installing
In the side of the radiating block 82.The radiator fan 84 is rotated after being powered, so as to the heat that radiating block 82 absorbs rapidly be dissipated
Go, to strengthen the effect of radiating.
Also referring to Fig. 1 to Fig. 4, when using, the switch is closed, by the shelves for adjusting the temperature-control circuit
Position sets the cryogenic temperature or temperature range of the cooling assembly 70, the cooling assembly 70 formed after being powered have it is predetermined
The cold end of temperature, and absorb the heat for storing up cold piece 50, then the storage is reduced to predetermined temperature or temperature range for cold piece 50.It is described
Extractor fan 40 is rotated after being powered, so as to the hot-air in the cavity 32 of the fixture 30 be extracted out and the hot-air is defeated
Delivering to the storage carries out cooling treatment for cold piece 50.Hot-air is converted to for cold piece 50 the sky of predetermined temperature by heat exchange for the storage
Gas, and the air after cooling is sent in the pipeline 60.Air after cooling enters the fixation via the pipeline 60
In the cavity 32 of part 30, so as to reduce the temperature of the fixture 30, and then cause that the fitting structure 100 keeps stationary temperature
Or temperature range.Meanwhile, the radiating block 82 is installed on the cooling assembly 70, and abundant with the hot junction of the cooling assembly 70
Contact, so as to the heat conduction produced when the cooling assembly 70 is worked sheds.The radiator fan 84 is installed in described
The side of radiating block 82, the radiator fan 84 is rotated after being powered, so as to the heat that radiating block 82 absorbs rapidly be dispersed.
It is appreciated that according to cold air and the proportion of hot-air（Density of the density of cold air more than hot-air）, in order to
It is easy to the air intake vent of hot and cold gas exchanges, the extractor fan 40, cold piece 50 of storage and the pipeline 60 to be installed in the fixture
The top one end in 30 positions, the air outlet of the pipeline 60（Export cold air to the air port of the cavity 32）It is connected to described
The position of fixture 30 one end on the lower, so that obtaining air obtains more preferable mobility.
Additionally, the fixture 30 can be omitted, correspondingly, two openings are opened up on the lamp casing 22, wherein one
It is individual can be as gas outlet to be embedded the extractor fan 40 in the inner, another opening going out as air inlet and the pipeline 60
Air port is connected, and can so be swapped the heat that the light source 24 is produced by way of thermal convection current, so that described
Temperature in lamp casing 22 keeps constant.It is appreciated that the fixture 30 also can be considered a part for the pipeline 60,
Exchanged by cold-hot air convection and reduce the temperature in the lamp casing 22.
In fitting structure provided by the present invention 100, a predetermined system is produced after the energization work of the cooling assembly 70
Cold temperature or temperature range, and absorb the heat for storing up cold piece 50 so that the storage is reduced to predetermined temperature or temperature for cold piece 50
Scope.The extractor fan 40 extracts the hot-air in the lamp casing 22 out, and the hot-air is delivered into cold piece of the storage
50 carry out cooling treatment, and hot-air is converted to for cold piece 50 the air of predetermined temperature by heat exchange for the storage, and by after cooling
Air be sent in the pipeline 60.Air after cooling enters the cavity 32 of the fixture 30 via the pipeline 60
It is interior, so as to reduce the temperature of the fixture 30, and then cause that the fitting structure 100 keeps stationary temperature or temperature range.
Therefore, the fitting structure 100 is caused using extractor fan 40, cold piece 50 of storage, pipeline 60, cooling assembly 70 and radiating subassembly 80
Flow of cold air, so as to improve heat loss through conduction efficiency.Additionally, the hot-air in the lamp casing 22 passes through air couple
Stream is exchanged so that the inside of whole lamp casing 22 and surface temperature are more uniform, solves temperature inside conventional lamp not
Uniformity problem, improves the service life of the fitting structure 100, and the need for meeting specific work environments.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of fitting structure, it includes lamp casing and the light source in the lamp casing, in institute during the light source works
State and heat is produced in lamp casing, it is characterised in that the fitting structure also includes extractor fan, cold piece of storage, pipeline and refrigeration
Component, cold piece of the storage is connected with the extractor fan, and the cooling assembly is installed in the side of cold piece of the storage, and fits in
In cold piece of the storage, one end of the pipeline is connected to the opposite side of cold piece of the storage, the other end of the pipeline and the light fixture shell
The inside of body is connected, the heat that the cooling assembly is absorbed in cold piece of the storage cause cold piece of the storage be reduced to predetermined temperature or
Temperature range, the extractor fan exports the gas in the lamp casing, what cold piece of the storage was extracted out to the extractor fan
Gas carries out cooling treatment, and hot-air is converted to the air of predetermined temperature by heat exchange, and will be dropped by the pipeline
Gas after temperature treatment is delivered to the lamp casing.
2. fitting structure according to claim 1, it is characterised in that the lamp casing includes bottom wall, roof and connection
The perisporium of the bottom wall and roof, the bottom wall, roof surround an accommodating cavity, are offered on the bottom wall some with the perisporium
Through hole.
3. fitting structure according to claim 2, it is characterised in that the fitting structure also includes reflector assembly and thoroughly
Bright component, the reflector assembly is removably installed in the accommodating cavity, the reflector assembly be curved mirror or spherical mirror,
To the light that light source described in reflecting focal sends, the transparent components are an optical lens or are formed by multiple optical lenses
Lens group, the transparent components are located in the accommodating cavity, and are fixed on the roof of the lamp casing, transparent components transmission
The light that the light and the reflector assembly that the light source sends are reflected.
4. fitting structure according to claim 2, it is characterised in that the fitting structure also includes fixture, described solid
Determine part to connect and be adjacent to the bottom wall, and be connected with the inside of the lamp casing by some through holes, the light fixture
Gas in housing is conducted to the fixture by some through holes.
5. fitting structure according to claim 4, it is characterised in that cold piece of the storage is that the metal formed by aluminium or copper is passed
Guide block, cold piece of the storage offers some heat dissipation channels, and the heat dissipation channel runs through two pairs of both sides of cold piece of the storage, described to take out
Wind fan is installed on the side of the fixture, and is connected to the side of cold piece of the storage, and is directed at the heat dissipation channel, the exhausting
Hot-air in the fixture is sent to cold piece of the storage and carries out heat exchange by fan.
6. fitting structure according to claim 1, it is characterised in that the cooling assembly and the contact surface of cold piece of the storage
On be coated with heat-conducting silicone grease.
7. fitting structure according to claim 1, it is characterised in that the cooling assembly is semiconductor chilling plate, and
Cold end and hot junction are formed after energization, the cold end of the cooling assembly fits in the side of cold piece of the storage, and absorbs cold piece of the storage
Heat so that cold piece of the storage is maintained at the temperature or temperature range of setting.
8. fitting structure according to claim 7, it is characterised in that the cooling assembly is by wiring and switch and temperature
Control circuit is electrically connected with, to control and set the cryogenic temperature of the cooling assembly, the switch closure, the temperature control
, by adjusting different gears, to adjust the electric current of output to the cooling assembly two ends, the cooling assembly is according to electric current for circuit
Size adjusts the cryogenic temperature of its cold end.
9. fitting structure according to claim 7, it is characterised in that the fitting structure also includes radiating subassembly, described
Radiating subassembly includes radiating block and radiator fan, and the radiating block is installed on the cooling assembly, and with the heat of the cooling assembly
To conduct the heat produced when the cooling assembly works, the radiator fan is detachably mounted on the radiating block to end in contact
Side, the heat that radiating block absorbs is dispersed.
10. fitting structure according to claim 1, it is characterised in that two openings are opened up on the lamp casing, wherein
One can be as gas outlet to be embedded the extractor fan in the inner, and another opening is connected as air inlet with the pipeline
Logical, the gas in the lamp casing carries out convective exchange via the extractor fan, cold piece of the storage and the pipeline, so that
The temperature obtained in the lamp casing is maintained at steady temperature or temperature range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166999.2A CN104141892B (en) | 2013-05-08 | 2013-05-08 | Fitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166999.2A CN104141892B (en) | 2013-05-08 | 2013-05-08 | Fitting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104141892A CN104141892A (en) | 2014-11-12 |
| CN104141892B true CN104141892B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310166999.2A Active CN104141892B (en) | 2013-05-08 | 2013-05-08 | Fitting structure |
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| CN (1) | CN104141892B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046489B (en) * | 2021-11-19 | 2024-01-30 | 凌云光技术股份有限公司 | High-power LED light source system and heat dissipation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4811000B2 (en) * | 2005-12-07 | 2011-11-09 | ウシオ電機株式会社 | Light irradiation device |
| CN201198978Y (en) * | 2008-04-14 | 2009-02-25 | 万在工业股份有限公司 | Automobile lamp cap with heat radiating device |
| JP5781374B2 (en) * | 2011-06-13 | 2015-09-24 | シャープ株式会社 | Lighting device |
| US20130044476A1 (en) * | 2011-08-17 | 2013-02-21 | Eric Bretschneider | Lighting unit with heat-dissipating circuit board |
| CN202886548U (en) * | 2012-09-29 | 2013-04-17 | 宁波华索光伏设备有限公司 | Device capable of maintaining light source irradiance stability of solar simulator |
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| CN104141892A (en) | 2014-11-12 |
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