CN114673963A - Optical light mixing structure, laser lighting device and camera equipment - Google Patents
Optical light mixing structure, laser lighting device and camera equipment Download PDFInfo
- Publication number
- CN114673963A CN114673963A CN202210422899.0A CN202210422899A CN114673963A CN 114673963 A CN114673963 A CN 114673963A CN 202210422899 A CN202210422899 A CN 202210422899A CN 114673963 A CN114673963 A CN 114673963A
- Authority
- CN
- China
- Prior art keywords
- light
- light mixing
- heat
- mixing
- component
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 43
- 230000017525 heat dissipation Effects 0.000 claims abstract description 93
- 238000005286 illumination Methods 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 230000005284 excitation Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 11
- 239000012788 optical film Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention is suitable for the technical field of laser illumination, and provides an optical light mixing structure, a laser illumination device and camera equipment, wherein the optical light mixing structure comprises: a light mixing part for mixing the incident different monochromatic lights and emitting the mixed light formed by mixing; the heat dissipation part is arranged on the outer peripheral surface of the light mixing part and is used for dissipating heat generated by the light mixing part; according to the optical light mixing structure provided by the embodiment of the invention, different monochromatic light is mixed by arranging the light mixing component, the limitation that the fluorescent material cannot resist laser excitation when the existing fluorescent material converts the monochromatic light is replaced, and illumination with higher brightness can be provided; the heat dissipation part is arranged around the outer peripheral surface of the light mixing part, can directly and quickly dissipate heat of the light mixing part, and keeps the light mixing part stably mixing different monochromatic light for a long time.
Description
Technical Field
The invention belongs to the technical field of laser illumination, and particularly relates to an optical light mixing structure, a laser illumination device and camera equipment.
Background
The continuous development of technology has led to the widespread use of electric light sources, and semiconductor light sources are widely used as one of the electric light sources.
The conventional semiconductor light source can only emit monochromatic light, and the monochromatic light needs to be converted by using a fluorescent material or mixed by using an optical part; for example, in a high-power laser light path, optical parts are used for mixing different monochromatic light so as to provide high-brightness and high-power white light, and illumination of a target to be illuminated and effective collection of information are realized.
However, when the existing optical component mixes monochromatic light, a large amount of generated heat is accumulated on the optical component, the light mixing efficiency of the optical component is often greatly reduced when the heat dissipation of the optical component is difficult, even the optical film layer is damaged, and the requirement of the market on higher stability of the illumination power of the illumination light source in a long-time sequence cannot be met.
Disclosure of Invention
The embodiment of the invention aims to provide an optical light mixing structure, and aims to solve the problems that the light mixing efficiency of an optical part is greatly reduced and even an optical film layer is damaged when the existing optical part is difficult to dissipate heat.
The embodiment of the present invention is implemented as follows, in an optical light mixing structure, the optical light mixing structure includes:
the light mixing component is used for mixing the incident different monochromatic light and emitting mixed light formed by mixing;
and a heat radiating member disposed on an outer peripheral surface of the light mixing member, the heat radiating member being configured to radiate heat generated by the light mixing member.
In order to maintain stable illumination efficiency for a long time in the conventional laser illumination device, it is another object of an embodiment of the present invention to provide a laser illumination device, including:
a light source for emitting two or three different monochromatic lights;
the optical light mixing structure is arranged on an emergent light path of the light source and used for mixing the two or three different monochromatic lights.
In order to make the supplementary lighting for shooting or information acquisition have high brightness in a dark environment, another object of an embodiment of the present invention is to provide an image pickup apparatus, including:
a camera;
the laser lighting device is arranged in parallel with the camera and is used for providing illumination for the work of the camera.
According to the optical light mixing structure provided by the embodiment of the invention, different monochromatic light is mixed through the arranged light mixing component, the limitation that the fluorescent material cannot resist laser excitation when the existing fluorescent material is used for converting the monochromatic light is replaced, and illumination with higher brightness can be provided; the radiating part that sets up simultaneously, surround in the outer peripheral face of mixing light part can be directly, quick dispels the heat to mixing light part, keeps mixing light part stable in the longer time mixes different monochromatic light, can satisfy the market and have higher stable requirement to illumination light source illumination power in long-time sequence.
Drawings
Fig. 1 is a cross-sectional view of an optical light mixing structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of another optical mixing structure according to an embodiment of the invention;
FIG. 3 is an isometric view of an optical mixing structure according to an embodiment of the invention;
FIG. 4 is an isometric view of another optical mixing structure provided by an embodiment of the invention;
fig. 5 is a left side view schematically illustrating an optical light mixing structure according to an embodiment of the present invention;
fig. 6 is a left side view schematically illustrating another optical light mixing structure according to an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion A of FIG. 6;
FIG. 8 is a schematic view of a telescopic adjustment member according to an embodiment of the present invention;
FIG. 9 is a schematic structural view of a telescopic adjustment member according to an embodiment of the present invention;
FIG. 10 is a schematic view of a light mixing component and a heat exchanger according to an embodiment of the present invention;
fig. 11 is a schematic view of a gauntlet according to an embodiment of the present invention;
fig. 12 is a schematic view of another gauntlet according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a laser lighting device according to an embodiment of the present invention.
In the drawings: 10-a light-mixing member; 100-a light mixing rod; 101-a light incident surface; 102-a light-emitting surface; 103-the outer side surface of the light mixing rod; 104-inner side of light mixing cavity; 110-a light-mixing cavity; 200-a heat-dissipating component; 201-radiating fins; 30-a heat exchanger; 301-a telescopic adjustment; 302-calandria; 303-an access port; 304-a connection outlet; 305-a hinged seat; 306-a via; 307-cold chamber; 308-a barrier layer; 309-thermal chamber; 310-a plunger; 311-arc row pipes; 312-a nozzle; 3011-a first telescoping rod; 3012-a flexible chamber; 3013-a medium; 3014-a second telescoping rod; 40-a light source; 401 — coupling mirror.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of an optical light mixing structure provided for an embodiment of the present invention includes:
a light mixing part 10 for mixing the incident different monochromatic lights and emitting a mixed light formed by mixing;
and a heat radiating member 200 provided on an outer peripheral surface of the light mixing member 10, the heat radiating member 200 being for radiating heat generated by the light mixing member 10.
In the embodiment of the present invention, the heat dissipation component 200 is disposed around the outer peripheral surface of the light mixing component 10, so as to directly and rapidly dissipate heat from the light mixing component 10, keep the light mixing component 10 stably mixing different monochromatic lights for a long time, and emit mixed light with high brightness; through the mixed light part 10 that sets up, mix different monochromatic lights, when replacing current fluorescent material to monochromatic light change, receive fluorescent material not to endure the restriction that laser arouses, can provide the illumination of higher luminance, cooperation camera to make a video recording and information acquisition under the daily environment, the darker environment of light of being more convenient for makes a video recording and information acquisition.
In one example of the present invention, the mixed light may be white light, or may be other colors of light; when the mixed light is white light, the different monochromatic light is tricolor light, namely light with three colors of red, green and blue; the light of the other color may be cyan light, or yellow light or magenta light, the cyan light is obtained by mixing green and blue light through the light mixing member 10, the yellow light is obtained by mixing green and red light through the light mixing member 10, and the magenta light is obtained by mixing red and blue light through the light mixing member 10. The above are only examples, and the forming of the mixed light by the different monochromatic lights described in this embodiment includes, but is not limited to, the scenarios of the above embodiments, and may also be other mixing manners obtained through direct or simple reasoning, and is not limited in particular. The heat dissipation component 200 is used for dissipating heat generated by the light mixing component 10, and in some scenarios, the heat dissipation component 200 may dissipate heat after being led out; or directly radiating heat; or the heat is conducted out and dissipated simultaneously, for example: a close area is arranged at the part of the heat dissipation part 200 close to the light mixing part 10, the close area is tightly attached to the outer peripheral surface of the light mixing part 10, and fins arranged at intervals are arranged outside the close area for heat dissipation; so that the mixing of the different monochromatic lights by the light mixing part 10 can be stably performed for a long time.
In an example of the present invention, the heat dissipating component is a heat sink 200, the heat sink 200 has heat dissipating fins 201, a portion of the heat dissipating fins 201 close to the light mixing cavity is provided as a close region as a heat dissipating portion, the heat dissipating portion can uniformly dissipate heat from the light mixing cavity and guide the heat to the heat dissipating fins 201, and the heat dissipating portion dissipates heat via the heat dissipating fins 201, so that the light mixing component 10 can stably mix different monochromatic lights for a long time.
In order to improve the heat dissipation efficiency of the heat dissipation component 200, starting from a direction that reduces the heat dissipation path, as shown in fig. 1 and fig. 3, as a preferred embodiment of the present invention, the light mixing component 10 includes a light mixing cavity 110, the light mixing cavity 110 is provided with a light incident surface 101 and a light emitting surface 102, the light incident surface 101 and the light emitting surface 102 are provided with light transmitting layers, the light transmitting layers are used for allowing different monochromatic lights to be incident into the light mixing cavity 110 and to be emitted after being mixed in the light mixing cavity 110, and a light reflecting layer is arranged on the inner surface of the light mixing cavity between the light incident surface 101 and the light emitting surface 102 and used for reflecting the different monochromatic lights to form mixed lights.
In this embodiment, the heat dissipation member 200 and the light mixing member 10 are integrally formed, so that a heat conduction path is reduced, and heat conduction efficiency is improved; the light reflecting layer can be a high-reflectivity optical film, such as a gold film, a copper film or an aluminum film; not limited thereto. The light-transmitting layer can be an anti-reflection optical film, has high transmittance to incident light and emergent light, and reduces the light energy loss of the incident light.
In an embodiment of the present invention, the outer peripheral surface of the light mixing member 10 can be flexibly disposed according to requirements, such as: the light mixing cavity is a cylindrical cavity, and the peripheral surface of the light mixing component 10 is a peripheral surface adapting to the cavity; the light mixing cavity is a square, rectangular or prismatic cavity, and the peripheral surface of the light mixing component 10 is a peripheral surface adapted to the cavity; not limited thereto.
As shown in fig. 1 and fig. 3, as a preferred embodiment of the present invention, the light mixing cavity 110 and the heat dissipation component 200 are integrally formed by heat conductive metal, and optical coating of the light mixing cavity 110 is performed; i.e. optical coating is performed on the inner side 104 of the light mixing cavity.
In this embodiment, the heat conductive metal may be silver, copper, or aluminum, or an alloy made of part or all of iron, silver, copper, or aluminum; the optical light mixing structure manufactured by integral processing has no indirect heat conduction and heat dissipation in the process of mixing different monochromatic light, thereby ensuring extremely high heat dissipation efficiency.
As shown in fig. 2, 4 and 5, as another preferred embodiment of the present invention, the light mixing cavity 110 and the heat sink 200 are made of different materials; the different materials are: when the light mixing cavity 110 is processed, high-temperature resistant optical glass adopted by the light mixing cavity 110 and copper or aluminum alloy adopted by the heat dissipation component 200 are used for polishing six side surfaces of the light mixing cavity 110 with high smoothness, and then optical coating treatment is carried out, so that the transmission or reflection performance of the light mixing cavity 110 to light is improved, and the light energy utilization rate of different monochromatic light in mixing is further improved.
As shown in fig. 2, in an embodiment of the present invention, the light mixing component 10 is a light mixing rod 100, the light mixing rod 100 is square, the heat dissipation component 200 is provided with a mounting cavity matched with the light mixing rod 100, and a reflective layer is provided on an inner surface of the mounting cavity, which is attached to the light mixing rod 100, and is used for reflecting the different monochromatic lights to form mixed light; a gap between the mounting cavity and the light mixing rod 100 is provided with a heat conducting piece, and the heat conducting piece is used for transferring heat generated by the light mixing rod 100; the light mixing rod 100 is made of heat-resistant light-transmitting materials, such as: high temperature resistant glass, or high temperature resistant polyurethane, which means resistant to a temperature of 500 degrees celsius.
In some embodiment scenarios, the heat conducting member is further used for fixing the light mixing rod 100; for example, when the heat conducting member is made of heat conducting silicone grease, the heat conducting silicone grease fills the gap between the mounting cavity and the light mixing rod 100, so that the light mixing rod 100 cannot move relative to the mounting cavity, and plays a role in fixing; the heat conductive member may be made of resin, but is not limited thereto.
In this embodiment, a light reflecting layer is disposed on the outer side surface 103 of the light mixing rod 100, specifically, the light reflecting layer may be a high-reflection optical film plated on the outer side surface 103 of the light mixing rod, and the high-reflection optical film has a high temperature resistance, which is at least 500 degrees centigrade resistant; in some scenarios, in order to ensure the heat dissipation performance of the heat dissipation component 200, the highly reflective optical film is configured to have no thermal insulation capability or have thermal conductivity, so as to facilitate the heat dissipation of the heat dissipation component 200.
In one example of the present invention, a prism is used to replace the light mixing rod 100, the prism is arranged in the middle of the heat dissipation part 200, and the installation cavity of the heat dissipation part 200 is adapted to the shape and size of the prism; the heat generated by the prism light mixing can be directly transferred to the heat dissipation component 200 and quickly dissipated by the heat dissipation component 200, so as to ensure that the prism light mixing is in a stable and continuous state.
As shown in fig. 1 and 6, in an embodiment of the present invention, the optical light mixing structure further includes a cooling channel;
the cooling path includes at least a heat exchanger 30 and a cooling member, and the heat exchanger 30 is disposed around the heat radiating member 200 for exchanging heat with the heat radiating member 200.
The heat exchanger 30 is connected to the refrigeration component through a connecting pipeline, and the refrigeration component is configured to exchange heat with the heat exchanger 30 through the connecting pipeline.
In the embodiment of the present invention, the opening and closing of the heat exchanger 30 can be flexibly adjusted according to the heat dissipation condition of the heat dissipation component 200, and when the heat dissipation component 200 is not enough to ensure efficient and stable light mixing of the light mixing component, the heat dissipation efficiency of the heat dissipation component 200 can be increased by opening the heat exchanger 30, so as to ensure stable and efficient operation of the light mixing component.
In one example of the present invention, the heat exchanger for exchanging heat with the heat sink 200 includes: on the one hand, for absorbing heat emitted from the heat-dissipating member 200, and on the other hand, for emitting cold air to the heat-dissipating member 200; the two aspects can be used simultaneously or independently. The refrigeration component comprises a compressor, a throttle valve and a condenser, the compressor, the condenser, the throttle valve and the heat exchanger 30 are sequentially communicated through a connecting pipeline, the compressor is used for generating compressed air, the throttle valve is used for controlling the pressure and the flow of the compressed air in the connecting pipeline, and the condenser is used for converting gas or vapor in the connecting pipeline into liquid, namely transferring heat in the connecting pipeline to the air nearby; the operation of the condenser is a heat releasing process, and the operation of the heat exchanger 30 is a heat absorbing process, that is, the heat generated by the heat radiating member is absorbed, and the cold air in the connecting pipeline can be radiated to the heat radiating member in the heat exchanger 30. In addition, in some examples, the refrigeration component may also be a conventional refrigeration system, but is not limited thereto.
As shown in fig. 6 and 7, as a preferred embodiment of the present invention, the heat exchanger 30 includes four rows of tubes 302, the four rows of tubes 302 are respectively disposed in gaps disposed at four corners of the heat dissipating component 200, the rows of tubes 302 are provided with a cold chamber 307 and a hot chamber 309 that are mutually separated, the cold chamber 307 is connected to an air outlet port of the refrigeration component through a connecting pipeline to dissipate cold air to the heat dissipating component 200, and the hot chamber 309 is connected to an air inlet port of the refrigeration component through a connecting pipeline to absorb heat dissipated by the heat dissipating component 200.
Specifically, the air outlet interface of the refrigeration component refers to an air outlet of the throttle valve, and the air inlet interface of the refrigeration component refers to an air inlet of the compressor; the air outlet of the throttle valve outputs cold air and enters the cold cavity, and then the cold air is diffused to the heat dissipation component through the cold cavity to refrigerate the heat dissipation component; the heat cavity absorbs the heat dissipated by the heat dissipating part, the air in the heat cavity is influenced by the pressure of the compressor, the air is recycled through the air inlet of the compressor, the heat around the heat dissipating part 200 is taken away, the temperature of the heat dissipating part 200 is reduced, and the heat dissipating part 200 can stably and continuously dissipate the heat of the light mixing part 10.
In this embodiment, the radial cross section of calandria 302 is isosceles right triangle the inner chamber of calandria 302 forms through setting up interlayer 308 cold chamber 307 with hot chamber 309, the both ends of calandria 302 are provided with access port 303, connect the export 304, correspond respectively cold chamber 307 with hot chamber 309 to correspond the switch-on with the gas outlet of above-mentioned choke valve, the air inlet of compressor, realize the transport of cold air, thermal absorption and recovery.
As shown in fig. 8, in an embodiment, a surface of the cold cavity facing the heat dissipation component 200 is a first heat dissipation surface, a surface of the hot cavity facing the heat dissipation component 200 is a second heat dissipation surface, the first heat dissipation surface and the second heat dissipation surface are perpendicular to each other, and two or more through holes penetrating through the row pipes are formed in the first heat dissipation surface and the second heat dissipation surface.
In this embodiment, the heat dissipation member has a regular structure, such as a square structure, and gaps are left at four corners of the square structure; the first radiating surface corresponds to the second radiating surface, and the radiating part can be uniformly cooled, so that the light mixing precision of the light mixing part is improved.
In one example of the present invention, the first heat dissipation surface of one heat dissipation member and the second heat dissipation surface of the adjacent heat dissipation member in the counterclockwise direction form a passage, that is, the cold chamber of one heat dissipation member dissipates cold air to the heat dissipation member through the first heat dissipation surface to cool the heat dissipation member; correspondingly, the heat cavities of the adjacent heat dissipation components in the anticlockwise direction absorb the heat dissipated by the heat dissipation components and the heat formed after the heat dissipation components are cooled by cold air through second heat dissipation surfaces; the passage can save the workload of the refrigeration part, improve the circulation efficiency of the refrigerant in the refrigeration part, and is energy-saving and environment-friendly.
In an example of the present invention, as shown in fig. 11 and 12, the rack pipe may be arc-shaped, may be single-cavity, or may be circular pipe, and is not limited in particular.
In this embodiment, the radial nozzles 312 may be disposed on one side of the arc-shaped discharge pipes (the arc-shaped discharge pipes 311) facing the heat dissipation member, so that the cool air discharged from the arc-shaped discharge pipes can better flow to the surface of the heat dissipation member 300; the refrigeration effect is improved.
As shown in fig. 6-9, in an embodiment of the present invention, the optical light mixing structure further includes a telescopic adjuster 301;
arbitrary the first cooling surface of calandria is connected the one end of flexible regulating part, just flexible regulating part is along its connection the first cooling surface of calandria extends towards adjacent the direction of calandria, so that the other end of flexible regulating part is connected adjacently the second cooling surface of calandria, flexible drive of flexible regulating part first cooling surface or the second cooling surface is close to or keeps away from corresponding with it the heat dissipation part.
In this embodiment, the telescopic adjusting member 301 includes a first telescopic rod 3011, a telescopic cavity 3012, and a second telescopic rod 3014, and the first telescopic rod 3011 and the second telescopic rod 3014 are movably disposed in the telescopic cavity 3012; a retraction spring is arranged between the first expansion link 3011 and the second expansion link 3014 and is used for driving the first expansion link 3011 and the second expansion link 3014 to move in opposite directions; a medium 3013 is arranged in the telescopic cavity 3012 and in a space between the first telescopic rod 3011 and the second telescopic rod 3014, and the medium may be a temperature-variable fluid and can expand or contract according to the change of the temperature of the medium to push the first telescopic rod 3011 and the second telescopic rod 3014 to expand; such as nitrogen, gasoline, mercury, etc., but are not limited thereto.
Because the discharge tubes are provided with gaps (gaps K are shown in fig. 8) at four corners of the heat dissipation component, the telescopic adjustment component 301 connected with the discharge tubes is located near the heat dissipation component, when the heat dissipation component generates heat, the telescopic cavity 3012 absorbs the heat, so that the temperature of a medium in the telescopic cavity 3012 is increased, when the temperature is increased to a predetermined value, thrust generated by expansion of the medium is enough to push the first telescopic rod 3011 and the second telescopic rod 3014 to move back and forth, and further, the first heat dissipation surface or the second heat dissipation surface of each connected discharge tube is driven to be close to or far away from the heat dissipation component corresponding to the first heat dissipation surface or the second heat dissipation surface, so as to improve the refrigeration efficiency of the discharge tubes on the heat dissipation component;
specifically, as shown in fig. 8, there is an example of adjustment of the telescopic adjustment member:
the telescopic end of the first telescopic rod 3011 is hinged to the second heat dissipation surface B2 of the row of tubes 302 through the hinge base 305, and when the first telescopic rod 3011 is extended, a pushing force F1 is applied through the hinge base 305 to push the second heat dissipation surface B2 to approach to the heat dissipation part near the first telescopic rod 3011; the corresponding first heat dissipation surface B1 is closer to the nearby heat dissipation part, so that the cooling efficiency of the heat dissipation part nearby the first expansion link 3011 is increased; meanwhile, the telescopic end of the second telescopic rod 3014 is hinged to the first heat dissipation surface B1 of another row of tubes 302 through the hinge seat 305, and when the second telescopic rod 3014 is extended, another pushing force F2 is also applied through the connected hinge seat 305 to push the first heat dissipation surface B1 to approach to the heat dissipation component part near the second telescopic rod 3014; the corresponding second heat dissipation surface B2 is brought closer to the heat dissipation part near the second telescopic bar 3014, so that the cooling efficiency of the heat dissipation part near the second telescopic bar is increased.
Similarly, when the temperature of other parts of the heat dissipation part rises to exceed the temperature of the adjusted heat dissipation part, the telescopic adjusting parts corresponding to other heat dissipation part parts are adjusted according to the working process of the telescopic adjusting parts, meanwhile, the adjusted exhaust pipes are reset, finally, all parts of the adjusted heat dissipation part dissipate heat uniformly, and all the exhaust pipes also recover the initial state.
The telescopic adjusting piece of the embodiment is particularly suitable for the condition that the heat dissipation part has uneven heat dissipation, and can be extended and retracted in a self-adaptive manner according to the change of heat received by the telescopic adjusting piece; need not to set up temperature and detect structure or drive structure, easily promote, and the cost is lower.
In an example of the present invention, the telescopic adjusting member may be installed on a side surface of the heat dissipating member by a mounting frame, or may be installed on an external support structure by a mounting frame, and specifically, without limitation, it is only required to ensure that the mounting frame does not affect the extension and retraction of the first telescopic link 3011 and the second telescopic link 3014.
In some examples of the present invention, the telescopic adjusting member may also be replaced by an electric telescopic rod, and a power source, such as a storage battery, a lithium battery, etc., is provided to supply power to the electric telescopic rod.
As shown in fig. 6, in one embodiment, four rows of tubes 302 are disposed by a support rod, a first heat dissipating surface of any row of tubes is connected to one end of the support rod, and the support rod extends along the first heat dissipating surface of the row of tubes to which it is connected in a direction adjacent to the row of tubes, so that the other end of the support rod is connected to a second heat dissipating surface of the adjacent row of tubes.
In this embodiment, set up the bracing piece and replace foretell flexible regulating part can reduce certain cost, also be applicable to some temperature difference and influence big environment.
In some embodiments, the support rod and the telescopic adjusting member may be combined, and are not particularly limited thereto.
In the embodiment, the supporting rod and the telescopic adjusting piece are combined, so that the lower cost can be controlled, and the effect brought by the telescopic adjusting piece can be achieved, namely, the telescopic adjusting piece can be adaptively stretched according to the change of heat received by the telescopic adjusting piece, and the condition that the heat dissipation of the heat dissipation part is uneven is improved; need not to set up temperature and detect structure or drive structure, easily promote, and the cost is lower.
In one example of the invention, as shown in fig. 10, the four rows of tubes 302 are arranged by means of bayonet rods 310.
In this embodiment, one end of the insertion rod 310 is connected to the hinge base 305 of the row tube, and the other end is inserted into the gap between the heat dissipation fins 201 of the heat dissipation member; by adopting the arrangement mode of the insertion rod 310, each calandria can be installed, detached and replaced, but the insertion rod does not have the function of driving the calandria to move. In order to make the calandria have the function of the telescopic adjusting piece.
In one embodiment, the insertion rod 310 is a hollow conical tube, a medium is hermetically disposed in the conical tube, the conical tube is also provided with a piston rod, and the piston rod is connected to the hinge seat 305 of the exhaust pipe, and the piston rod and the exhaust pipe are driven to move by the medium expanding with heat and contracting with cold along with the temperature change of the conical tube, and reach the telescopic adjusting member to adjust the exhaust pipe so as to control the effect of the exhaust pipe on cooling the portion corresponding to the heat dissipation member.
As shown in fig. 13, in order to maintain stable illumination efficiency for a long time in the conventional laser illumination device, an embodiment of the present invention further provides a laser illumination device, including:
a light source for emitting two or three different monochromatic lights;
the optical light mixing structure is arranged on an emergent light path of the light source and used for mixing the two or three different monochromatic lights.
In this embodiment, the heat dissipation component 200 disposed in the optical light mixing structure surrounds the outer peripheral surface of the light mixing component 10, so as to directly and rapidly dissipate heat from the light mixing component 10, keep the light mixing component 10 stably mixing different monochromatic lights for a long time, and emit mixed light with high brightness; high brightness illumination is realized.
In one example of the present invention, the light source 40 is a laser light source, the light mixing component 10 is disposed on an emergent light path of the laser light source, the emergent light can be three different monochromatic lights, namely red, green and blue lights, and the two different monochromatic lights can be two of the red, green and blue lights, and can also be other colored lights; in some scenes, a coupling mirror 401 is disposed between the light mixing component 10 and the laser light source, and the coupling mirror 401 couples the emergent light of the laser light source and emits the coupled emergent light to the light incident surface of the light mixing component 10; in some scenes, the light-emitting path of the light-mixing component 10 is provided with a collimating lens, a beam expanding lens and the like, and the collimating lens and the beam expanding lens are used for collimating and beam expanding the light-emitting path of the light-mixing component 10, so that subsequent illumination is facilitated.
In order to enable supplementary lighting for shooting or information acquisition in a dark environment to have high brightness, an embodiment of the present invention further provides an image capturing apparatus, including:
a camera;
the laser lighting device is arranged in parallel with the camera and is used for providing illumination for the work of the camera.
In this embodiment, laser lighting device can provide the light that high brightness, high collimation degree, color are even, cooperates the camera, the camera and the information acquisition under the daily environment of being convenient for, the camera and the information acquisition under the darker environment of light of being more convenient for.
In one example of the invention, the camera can be a conventional camera, and can perform daily shooting, photography and audio and video recording; the device can also be used for underwater camera shooting, photography and audio and video recording; in practical application, the selection of the camera can be flexibly configured according to requirements, and is not limited to this.
The embodiment of the invention provides an optical light mixing structure, and provides a laser illumination device and a camera device based on the optical light mixing structure, different monochromatic lights are mixed through the arranged light mixing part 10, the limit that the fluorescent material cannot resist laser excitation when the existing fluorescent material is used for converting the monochromatic lights is replaced, and illumination with higher brightness can be provided; the camera can be matched for shooting and information acquisition in a daily environment, so that better information can be acquired conveniently; the camera shooting and information acquisition under the dark environment of light are more convenient, such as make a video recording under water. The heat dissipation part 200 is arranged around the outer peripheral surface of the light mixing part 10, and can directly and quickly dissipate heat of the light mixing part 10, keep the light mixing part 10 stably mix different monochromatic lights for a long time, and emit mixed light with higher brightness; high-brightness illumination is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An optical light mixing structure, comprising:
the light mixing component is used for mixing the incident different monochromatic light and emitting mixed light formed by mixing;
and a heat radiating member disposed on an outer peripheral surface of the light mixing member, the heat radiating member being configured to radiate heat generated by the light mixing member.
2. The optical light mixing structure of claim 1, wherein the light mixing component comprises a light mixing cavity, the light mixing cavity is provided with a light incident surface and a light emergent surface, the light incident surface and the light emergent surface are provided with light transmitting layers, the light transmitting layers are used for enabling different monochromatic lights to be incident into the light mixing cavity and to be emitted after the light mixing cavity is mixed, and a light reflecting layer is arranged on the inner surface of the light mixing cavity between the light incident surface and the light emergent surface and used for reflecting the different monochromatic lights to form mixed lights.
3. The structure of claim 2, wherein the light-mixing cavity and the heat sink are integrally formed of a thermally conductive metal.
4. The optical light mixing structure of claim 1, wherein the light mixing component is a light mixing rod, the light mixing rod is square, the heat dissipating component is provided with a mounting cavity matched with the light mixing rod, the inner surface of the mounting cavity, which is attached to the light mixing rod, is provided with a light reflecting layer, and the light reflecting layer is used for reflecting the different monochromatic lights to form mixed light; and a heat conduction piece is arranged at the joint between the mounting cavity and the light mixing rod and is used for transferring heat generated by the light mixing rod.
5. The structure of claim 1, further comprising a cooling channel;
the cooling passage at least comprises a heat exchanger and a refrigeration component, and the heat exchanger is arranged around the heat dissipation component and used for exchanging heat with the heat dissipation component;
the heat exchanger is communicated with the refrigeration component through a connecting pipeline, and the refrigeration component is used for exchanging heat with the heat exchanger through the connecting pipeline.
6. The optical light mixing structure of claim 5, wherein the heat exchanger comprises four rows of tubes, the four rows of tubes are respectively disposed in gaps disposed at four corners of the heat dissipating component, the rows of tubes are provided with a cold chamber and a hot chamber separated from each other, the cold chamber is connected to the air outlet port of the cooling component through a connecting pipeline for dissipating cold air to the heat dissipating component, and the hot chamber is connected to the air inlet port of the cooling component through a connecting pipeline for absorbing heat dissipated by the heat dissipating component.
7. The optical light mixing structure of claim 6, wherein a surface of the cold cavity facing the heat dissipating component is a first heat dissipating surface, a surface of the hot cavity facing the heat dissipating component is a second heat dissipating surface, the first heat dissipating surface and the second heat dissipating surface are perpendicular to each other, and two or more through holes penetrating the row tubes are formed in the first heat dissipating surface and the second heat dissipating surface.
8. The optical light mixing structure of claim 7, further comprising a telescopic adjuster;
arbitrary the first cooling surface of calandria is connected the one end of flexible regulating part, just flexible regulating part is along its connection the first cooling surface of calandria extends towards adjacent the direction of calandria, so that the other end of flexible regulating part is connected adjacently the second cooling surface of calandria, flexible drive of flexible regulating part first cooling surface or the second cooling surface is close to or keeps away from corresponding with it the heat dissipation part.
9. A laser lighting device, characterized in that the laser lighting device comprises:
a light source for emitting two or three different monochromatic lights;
and an optical light mixing structure as claimed in any one of claims 1-8, arranged in an exit light path of the light source for mixing the two or three different monochromatic lights.
10. An image pickup apparatus characterized by comprising:
a camera;
and the laser lighting device as claimed in claim 9, which is arranged in parallel with the camera, the laser lighting device being configured to provide illumination for operation of the camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210422899.0A CN114673963A (en) | 2022-04-21 | 2022-04-21 | Optical light mixing structure, laser lighting device and camera equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210422899.0A CN114673963A (en) | 2022-04-21 | 2022-04-21 | Optical light mixing structure, laser lighting device and camera equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114673963A true CN114673963A (en) | 2022-06-28 |
Family
ID=82079275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210422899.0A Pending CN114673963A (en) | 2022-04-21 | 2022-04-21 | Optical light mixing structure, laser lighting device and camera equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114673963A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185095A (en) * | 2022-09-01 | 2022-10-14 | 应轲臻 | Multispectral laser lighting system |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2656810Y (en) * | 2003-10-20 | 2004-11-17 | 孙庆成 | LED colour lighting device |
| CN2685703Y (en) * | 2004-02-12 | 2005-03-16 | 安提亚科技股份有限公司 | Efficient luminous diode projection lamp |
| TWI241041B (en) * | 2004-10-21 | 2005-10-01 | Univ Nat Central | Light source apparatus |
| CN101828071A (en) * | 2007-10-17 | 2010-09-08 | 吉可多公司 | Lighting device with light emitting diode |
| CN202101084U (en) * | 2011-06-14 | 2012-01-04 | 上海展源环保科技有限公司 | Single lamp self-controlling and energy-saving high-power light-emitting diode (LED) street lamp for auxiliary radiation by using refrigerant |
| CN202140936U (en) * | 2010-11-23 | 2012-02-08 | 深圳好丽斯科技有限公司 | Light-emitting diode (LED) flat plate tube lamp |
| CN202188334U (en) * | 2011-07-06 | 2012-04-11 | 无锡通明科技有限公司 | Wide-light distribution MR16 LED (light-emitting diode) lamp |
| CN202215970U (en) * | 2011-07-06 | 2012-05-09 | 无锡通明科技有限公司 | LED (light-emitting diode) PAR (parabolic aluminum reflector) lamp with wide luminous intensity distribution |
| CN202330857U (en) * | 2011-12-13 | 2012-07-11 | 麦克奥迪实业集团有限公司 | Microscope illumination device |
| CN104456483A (en) * | 2014-11-19 | 2015-03-25 | 江苏文光车辆附件有限公司 | Heat dissipation device for LED automobile lamp |
| CN107527987A (en) * | 2017-07-26 | 2017-12-29 | 江门吉华光电精密有限公司 | A kind of high-efficiency light mixing reflecting drum |
| CN207316819U (en) * | 2017-10-16 | 2018-05-04 | 佛山市开信光电有限公司 | New multiple color shines mixer |
| CN109974666A (en) * | 2019-05-15 | 2019-07-05 | 好优投科技(深圳)有限公司 | A kind of underwater environment observation system based on mixing light source |
| CN212108266U (en) * | 2020-05-09 | 2020-12-08 | 江门吉华光电精密有限公司 | Multi-color LED uniform light color mixing tube |
| CN213040356U (en) * | 2020-08-21 | 2021-04-23 | 深圳市爱图仕影像器材有限公司 | Lighting device and telescopic light mixing assembly thereof |
| CN113701089A (en) * | 2021-09-11 | 2021-11-26 | 深圳阿拉丁灯光科技有限公司 | Landscape brightening LED projection landscape lamp with atmosphere effect |
| CN215982380U (en) * | 2021-10-29 | 2022-03-08 | 深圳市爱图仕影像器材有限公司 | Light mixing tube and lighting device |
-
2022
- 2022-04-21 CN CN202210422899.0A patent/CN114673963A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2656810Y (en) * | 2003-10-20 | 2004-11-17 | 孙庆成 | LED colour lighting device |
| CN2685703Y (en) * | 2004-02-12 | 2005-03-16 | 安提亚科技股份有限公司 | Efficient luminous diode projection lamp |
| TWI241041B (en) * | 2004-10-21 | 2005-10-01 | Univ Nat Central | Light source apparatus |
| CN101828071A (en) * | 2007-10-17 | 2010-09-08 | 吉可多公司 | Lighting device with light emitting diode |
| CN202140936U (en) * | 2010-11-23 | 2012-02-08 | 深圳好丽斯科技有限公司 | Light-emitting diode (LED) flat plate tube lamp |
| CN202101084U (en) * | 2011-06-14 | 2012-01-04 | 上海展源环保科技有限公司 | Single lamp self-controlling and energy-saving high-power light-emitting diode (LED) street lamp for auxiliary radiation by using refrigerant |
| CN202188334U (en) * | 2011-07-06 | 2012-04-11 | 无锡通明科技有限公司 | Wide-light distribution MR16 LED (light-emitting diode) lamp |
| CN202215970U (en) * | 2011-07-06 | 2012-05-09 | 无锡通明科技有限公司 | LED (light-emitting diode) PAR (parabolic aluminum reflector) lamp with wide luminous intensity distribution |
| CN202330857U (en) * | 2011-12-13 | 2012-07-11 | 麦克奥迪实业集团有限公司 | Microscope illumination device |
| CN104456483A (en) * | 2014-11-19 | 2015-03-25 | 江苏文光车辆附件有限公司 | Heat dissipation device for LED automobile lamp |
| CN107527987A (en) * | 2017-07-26 | 2017-12-29 | 江门吉华光电精密有限公司 | A kind of high-efficiency light mixing reflecting drum |
| CN207316819U (en) * | 2017-10-16 | 2018-05-04 | 佛山市开信光电有限公司 | New multiple color shines mixer |
| CN109974666A (en) * | 2019-05-15 | 2019-07-05 | 好优投科技(深圳)有限公司 | A kind of underwater environment observation system based on mixing light source |
| CN212108266U (en) * | 2020-05-09 | 2020-12-08 | 江门吉华光电精密有限公司 | Multi-color LED uniform light color mixing tube |
| CN213040356U (en) * | 2020-08-21 | 2021-04-23 | 深圳市爱图仕影像器材有限公司 | Lighting device and telescopic light mixing assembly thereof |
| CN113701089A (en) * | 2021-09-11 | 2021-11-26 | 深圳阿拉丁灯光科技有限公司 | Landscape brightening LED projection landscape lamp with atmosphere effect |
| CN215982380U (en) * | 2021-10-29 | 2022-03-08 | 深圳市爱图仕影像器材有限公司 | Light mixing tube and lighting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115185095A (en) * | 2022-09-01 | 2022-10-14 | 应轲臻 | Multispectral laser lighting system |
| CN115185095B (en) * | 2022-09-01 | 2024-04-30 | 应轲臻 | Multispectral laser lighting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107091467B (en) | High-power LED light path heat dissipation combined system | |
| US9488359B2 (en) | Passive phase change radiators for LED lamps and fixtures | |
| CN100437344C (en) | Light source unit and projector | |
| US20090059594A1 (en) | Heat dissipating apparatus for automotive LED lamp | |
| KR20130061142A (en) | Liquid cooled led lighting device | |
| KR20170039194A (en) | Headlight with an led light source | |
| TW201326658A (en) | High efficiency light emitting diode bulb | |
| CN101008773A (en) | Projector and radiator thereof | |
| CN107290915B (en) | Projection device | |
| US10824061B2 (en) | Projection device applying heat dissipating module with a better heat dissipating effect | |
| CN110486632B (en) | High-power LED lamp | |
| US20120294002A1 (en) | Vapor chamber cooling of solid-state light fixtures | |
| CN111853730A (en) | Heat radiation structure and mobile heat radiation device | |
| CN114673963A (en) | Optical light mixing structure, laser lighting device and camera equipment | |
| CN112013366A (en) | LED cooling system and method | |
| US10477735B2 (en) | Heat dissipation system for use with liquid crystal television and liquid crystal television | |
| CN107479307B (en) | Projection device | |
| CN100507711C (en) | Projection device | |
| CN210072297U (en) | Active refrigeration type fully-closed single-chip LCD projection optical machine | |
| KR101413695B1 (en) | Radiation member for emitting member | |
| CN112526810B (en) | Laser projection device | |
| JP6844032B2 (en) | Heat dissipation system for LCD TVs and LCD TVs | |
| CN208506478U (en) | Liquid cooling radiation module and projection arrangement | |
| CN108957920A (en) | A kind of high power illumination dmd chip circulation foamed material liquid cooling device | |
| JP2005202112A (en) | Light source device and projection type display device |
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 |