WO2010117157A2 - Projecteur à led - Google Patents
Projecteur à led Download PDFInfo
- Publication number
- WO2010117157A2 WO2010117157A2 PCT/KR2010/001888 KR2010001888W WO2010117157A2 WO 2010117157 A2 WO2010117157 A2 WO 2010117157A2 KR 2010001888 W KR2010001888 W KR 2010001888W WO 2010117157 A2 WO2010117157 A2 WO 2010117157A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat dissipation
- heat
- dissipating
- unit
- housing
- Prior art date
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Classifications
-
- 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
- F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
- F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
-
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
-
- 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
- F21V29/80—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
Definitions
- the present invention provides a heat dissipation housing having a natural convection heat dissipation unit and a heat dissipation reflector which performs both light induction and heat dissipation. Through the LED floodlight to significantly improve the quality characteristics through.
- LED Light Emitting Diode
- LED Light Emitting Diode
- Floodlight is a large area in a certain direction. It is widely used in plazas, stadiums, ports, airports, construction sites, etc., and its lighting range is wider than that of general lighting equipment, so the size of the device is large and the number of LEDs and input power (W ) Is high, and a large amount of heat is generated in proportion to this, and thus higher heat dissipation performance is required.
- the heat dissipation configuration of the LED lighting fixture including the floodlight is formed as a part of the housing in which the LED mounting PC is mounted, and the design of the housing having the heat dissipation unit is designed according to the light heating amount, and the light heating amount is the input power of one LED (W). ) And the quantity of LEDs.
- the floodlight is accompanied by a reflection shade for guiding light in one direction, which was regrettable because the reflection shade stays only in the light induction function.
- the present invention is to solve the above problems
- An object of the present invention is a heat dissipation housing has a natural convection heat dissipation unit to prevent thermal stagnation and exhibit a natural convection action and communication effect, and has a heat dissipation reflector that performs a combination of light induction and heat dissipation significantly improved heat dissipation performance is high input It is to provide the LED floodlight to ensure the necessary and sufficient heat dissipation performance for the floodlight, which is a power (W) class LED lighting fixture, and to significantly improve the quality characteristics.
- W power
- a light source unit in which a light emitting diode (LED) is array-mounted;
- the main convex heat dissipation unit is formed of a main body unit and a natural convection heat dissipation unit for forming the light source unit, and the natural heat dissipation unit protrudes outward from the main body unit and is located in an open space below and a base radiating fin protruding radially from the main body unit.
- a heat dissipation housing formed of a heat dissipation frame in the form of a vertical tube connecting the outer ends of each of the base heat dissipation fins so that a plurality of air passages penetrate in the vertical direction between the main body and the heat dissipation frame;
- a heat dissipation reflector provided with an endothermic junction in contact with the heat dissipation housing and inducing light of the light source unit.
- the heat dissipation housing is provided with a linear heat dissipation member made of a metal wire between the body portion and the heat dissipation frame, the linear heat dissipation member is interviewed on the body portion and the heat dissipation frame; Characterized in that the connection groove is formed.
- the heat dissipation housing is detachably mounted to one or more auxiliary heat dissipation member on the upper body portion,
- the auxiliary heat dissipation member is characterized in that the heat dissipation wing is formed radially around one or more of the inner side and the outer side of the heat absorbing portion to be ring-shaped.
- the light source unit is characterized in that the lens is arranged convex projections for light diffusion.
- the heat dissipation reflector which performs both the light induction and the heat dissipation is dramatically improved heat dissipation performance to solve the heat dissipation problem caused by the high-intensity (W) LED lighting fixtures.
- the lens is provided with an array of convex protrusions functioning as a convex lens in the light source unit has the effect of uniformly diffuse the light of the LED to improve the lighting quality.
- FIG. 1 is a partial cross-sectional view showing the configuration of an embodiment according to the present invention
- FIG. 2 is an enlarged view of a portion A of FIG.
- FIG. 3 is a side view of FIG. 1
- FIG. 4 is a bottom view of FIG. 1
- FIG. 5 is a plan view of the heat dissipation housing of Figure 1
- Figure 6 is a partially omitted cross-sectional view showing the configuration of one embodiment according to the present invention.
- FIG. 7 is a plan view of FIG.
- FIG. 8 is an exploded perspective view showing the configuration of a heat dissipation housing and an auxiliary heat dissipation member according to an embodiment of the present invention
- FIG. 9 is a perspective view of the combination of FIG.
- FIG. 10 is a cross-sectional view of the coupling state of FIG.
- Figure 11 is an exploded perspective view showing the configuration of the heat dissipation housing and the auxiliary heat dissipation member of an embodiment according to the present invention
- FIG. 12 is a cross-sectional view of the coupled state of FIG.
- FIG. 13 is a block diagram of another embodiment according to the present invention corresponding to FIG.
- the LED floodlight of the embodiment according to the present invention includes a light source unit 10 in which an LED (Light Emitting Diode) 11 is mounted on a PC 13 and the light source unit is mounted. It consists of a main body portion 31 and the natural convection heat dissipation portion 33 is formed, the light source installation portion 311 for the natural convection heat dissipation portion 33 is protruded outward from the main body portion 31 and is opened downward
- the main body part 31 is formed of a heat dissipation frame 333 having a vertical tube shape connected to an outer end of each of the base heat dissipation pin 331 and the base heat dissipation pin 331 located in the space and radially protruding from the body part 31.
- a heat radiation housing 30 in which a plurality of air passages 335 are formed to penetrate in the vertical direction between the heat dissipation frame 333 and the heat absorbing junction which induces the light of the light source unit 10 to be in contact with the heat dissipation housing 30.
- 51 is configured to include a heat radiation reflector 50 is provided.
- the heat dissipation housing 30 having the above configuration has a base heat dissipation fin 331 formed radially around the light source installation part 311 and has a heat dissipation frame 333 having a vertical tube shape.
- a natural convection heat dissipation part 33 is formed between the heat dissipation frame 333 and the main body part 31 to form a vertical air passage 335 for promoting natural convection, thereby significantly improving heat dissipation performance.
- the natural convection heat dissipation unit 33 is heated while the air located in each air passage 335 is heat-exchanged with the main wall including a part of the main body portion 31 surrounding the air passage 335, the heated air As a result of the expansion of the air pressure difference between the room temperature and the downward temperature difference induces a communication effect that rises quickly to the open upper space.
- the new air continuously introduced at room temperature sweeps up the outer surfaces of the main body part 31, the base heat dissipation fin 331, and the heat dissipation frame 333 of the heat dissipation housing 30, thereby preventing heat congestion and dissipating heat.
- the entire outer surface of the housing acts as an effective heat dissipation surface, and the heat dissipation rate is significantly increased to improve heat dissipation performance.
- the heat dissipation housing 30 is a linear line formed of a metal wire between the body portion 31 and the heat dissipation frame 333.
- the heat dissipation member 27 is installed, and the main body portion 31 and the heat dissipation frame 33 are preferably provided with a connection groove 37 for the linear heat dissipation member 27 to be interviewed.
- the linear heat dissipation member 27 is preferably made of a coil form continuously formed to fit the aluminum wire between the main body portion 31 and the heat dissipation frame 333, that is, the air passage 335, the surface area to maximize the volume and the air passage It is located in the space where natural convection occurs without interfering with the ventilation, and it significantly improves heat dissipation performance.
- the linear heat dissipation member 27 is easily formed in a circular cross section, and correspondingly, the heat dissipation housing 30 is provided with a connection groove 37 which is in surface contact with the linear heat dissipation member 27, thereby improving heat exchange and heat dissipation efficiency.
- the heat dissipation housing 30 is formed in the heat dissipation fin 32 in the body portion 31.
- the heat dissipation housing 30 may be detachably mounted to at least one auxiliary heat dissipation member 21 on the main body 31.
- the auxiliary heat dissipation member 21 is preferably a heat dissipation wing 213 is formed radially around one or more of the inner side and the outer side of the heat absorbing portion 211 to be ring-shaped.
- the heat dissipation housing 30 has a secondary heat dissipation member mounting portion 35 protruded radially from the upper portion of the main body for mounting the auxiliary heat dissipation member 21, and at least one auxiliary heat dissipation on the auxiliary heat dissipation member mounting portion 35.
- the auxiliary heat dissipation member mounting part 35 has a screw hole 351 formed thereon.
- auxiliary heat dissipation member 21 is preferably formed by sheet metal processing and the heat dissipation wing 213 is preferably formed to bend differently adjacent to the slope.
- the auxiliary heat dissipation member 21 is preferably formed of an aluminum plate material is easy to bend and the heat dissipation so that the heat dissipation wing 213 has a set slope.
- the inclined blades are vertically zigzag and gradually upwardly formed in the vertical direction in the same body so that the inclined radiating blades are spaced between adjacent radiating blades 213 to allow ventilation. This is preferable (see Figs. 11 and 12).
- the heat dissipation wing 213 of the auxiliary heat dissipation member 21 is preferably located close to the upper space of the natural convection heat dissipation portion 33 of the heat dissipation housing.
- Such an auxiliary heat dissipation member 21 is detachably mounted to the heat dissipation housing 30, so that additional adjustment of the heat dissipation performance can be easily performed by allowing the mounting quantity to be arbitrarily added or subtracted.
- the heat dissipation fin 213 of the auxiliary heat dissipation member is formed in the vertical zigzag inclination difference heat exchange ventilation and heat dissipation is made smoothly, the heat dissipation fin 213 is a convective heat dissipation portion of the heat dissipating housing in which the air passage 335 is formed (33) By being located at the upper side, the convection air is moved through the radiating fins 213, thereby effectively radiating heat.
- the heat dissipation housing 30 can be freely attached to and detached from the auxiliary heat dissipation member 21 having a large surface area, and additionally additionally installs the auxiliary heat dissipation member 21 when design changes to increase the LED roughness and input power (W).
- This allows the use of a single model of heat dissipation housing, ranging from a basic design to a range of high input power (W) changes.
- the heat radiation reflector 50 is preferably formed as large as possible the width of the heat absorption junction portion 51 coupled to the heat dissipation housing (30).
- the endothermic junction 51 is composed of a vertical portion 511 to be bonded to the heat dissipation housing 30 and a bent portion 513 bent inward from the upper portion of the vertical portion 511 and the heat dissipation housing is formed correspondingly and bonded In the step, it is preferable that a thermal adhesive having thermal conductivity is applied or a thermal adhesive pad is installed.
- the heat radiation reflector 50 is made of a funnel shape in which one end 53 adjacent to the light source unit 10 and the tip 55 located far from the light source unit are gardens for light induction, and are refracted into a polyhedron for light diffusion. Preferably formed.
- the heat radiation reflector 50 as shown in Figure 13 for the light induction, the tip 55 which is located far from the light source unit 10 is formed in an elliptical shape.
- one end 53 of the heat radiation reflector 50 adjacent to the light source unit 10 may be formed in a polygon such as a circle or a quadrangle.
- the heat dissipation reflector 50 is provided with a heat absorbing junction 51 and is heat-bonded to the heat dissipation housing 30 so that a large area for forming the reflection shade functions as a heat dissipation surface, thereby significantly improving heat dissipation performance.
- the heat radiation reflector 50 having a large area absorbs heat generated from the light source unit by bonding the heat absorbing junction unit 51 adjacent to the light source installation unit 311 so as to guide the light of the light source unit 10 in a predetermined direction.
- the heat dissipation of the light source unit 10 is effectively performed.
- the light source unit 10 is preferably provided with a lens 70 in which the convex protrusions 71 are arranged for light diffusion, and the convex protrusions 71 are arranged corresponding to the LED 11 arrangement.
- the lens 70 having the convex protrusion 71 serving as the convex lens corresponding to the LED array is installed in the light source unit 10 to diffuse the light of the LED 11 having the light concentrating characteristic,
- the lens 70 having the convex protrusion 71 serving as the convex lens corresponding to the LED array is installed in the light source unit 10 to diffuse the light of the LED 11 having the light concentrating characteristic,
- 50 is formed into a polyhedron with a diamond pattern for light diffusion, for example, the refractive diffusion of light is improved.
- the heat dissipation housing 30 is preferably hinged 91 is coupled to the support device 90 fixed to the structure to enable the adjustment of the installation state, the illumination direction is easily adjusted through the support device 90 do.
- the heat dissipation housing 30 is coupled to a power connection receptacle (60) (see FIG. 6), which is the natural convection heat dissipation unit 33 and the heat radiation reflector 50 Due to the improved heat dissipation performance, it is possible to reduce the weight, so that the receptacle can be electrically coupled and supported using the receptacle, thereby easily replacing the existing incandescent bulb.
- a power connection receptacle 60
- the coupling portion of the lens 70 and the heat dissipation reflector 50 to the heat dissipation housing 30 is provided with a waterproof packing 81 for protecting the light source unit 10 or sealed with epoxy, etc., heat dissipation reflector 50 At the outer end 55 of the), it is preferable that the floodlight cover 40 is installed.
- Reference numeral '93' of FIG. 1 is a hinge member fixed to the heat dissipation housing 30, and reference numeral '83' of FIG. 2 is fixed to the heat dissipation housing 30 of the lens 70 and the heat dissipation reflector 50. Fastening means.
- the LED floodlight according to the present invention is a LED floodlight according to the present invention.
- the heat dissipation reflector which performs both the light induction and the heat dissipation is dramatically improved heat dissipation performance to solve the heat dissipation problem caused by the high-intensity (W) LED lighting fixtures.
- the lens is provided with a convex protrusion arranged as a convex lens in the light source unit to uniformly diffuse the LED light to improve the lighting quality.
- the LED floodlight according to the present invention is provided with a natural convection heat dissipation unit in which the air passage is formed in the heat dissipation housing to prevent thermal stagnation and to significantly improve the heat dissipation performance through the natural convection action and communication effect, heat radiation to perform both light induction and heat radiation
- the heat dissipation performance is further improved, and sufficient heat dissipation performance is ensured for the floodlight, which is a high input power (W) LED luminaire, thereby improving the quality characteristics.
- W input power
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
La présente invention concerne un projecteur à LED. Dans ce projecteur, un logement dissipant la chaleur avec une unité dissipant la chaleur par convection naturelle et un abat-jour dissipant la chaleur pour réaliser à la fois une fonction de guidage de la lumière et une fonction de dissipation de la chaleur sont agencés pour obtenir une performance de dissipation de la chaleur améliorée, et pour garantir ainsi une performance de dissipation de la chaleur nécessaire et suffisante pour un projecteur qui consiste en un dispositif d'éclairage à LED ayant un niveau élevé de puissance d'entrée (W), et pour améliorer de manière significative la qualité du projecteur à LED. Pour réaliser cela, le projecteur à LED de la présente invention comprend : une unité formant source de lumière dans laquelle un ensemble de diodes électroluminescentes (LED) sont montées sur une carte PCB; ledit logement dissipant la chaleur qui comporte une unité formant corps principal avec une partie d'installation de source de lumière pour ladite unité formant source de lumière, et ladite unité dissipant la chaleur par convection naturelle, ladite unité dissipant la chaleur par convection naturelle comportant des ailettes dissipant la chaleur de base faisant saillie radialement du corps principal vers la périphérie extérieure de l'abat-jour, et disposées dans un espace avec un fond ouvert, et un bord tubulaire vertical dissipant la chaleur pour relier l'extrémité extérieure de chacune des ailettes dissipant la chaleur de base de sorte qu'une pluralité de passages d'air sont formés dans la direction verticale à travers l'espace entre le corps principal et le bord dissipant la chaleur; et ledit abat-jour dissipant la chaleur qui réfléchit et guide la lumière émise par l'unité formant source de lumière, et qui comporte une partie de jonction absorbant la chaleur qui est en contact avec le logement dissipant la chaleur.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0029264 | 2009-04-06 | ||
KR1020090029264A KR100951781B1 (ko) | 2009-04-06 | 2009-04-06 | 엘이디 투광등 |
KR1020090067076A KR101024007B1 (ko) | 2009-07-23 | 2009-07-23 | 방열성능 조정이 가능한 엘이디 조명기구 |
KR10-2009-0067076 | 2009-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010117157A2 true WO2010117157A2 (fr) | 2010-10-14 |
WO2010117157A3 WO2010117157A3 (fr) | 2011-01-06 |
Family
ID=42936681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/001888 WO2010117157A2 (fr) | 2009-04-06 | 2010-03-29 | Projecteur à led |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2010117157A2 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8491140B2 (en) | 2010-11-05 | 2013-07-23 | Cree, Inc. | Lighting device with multiple emitters and remote lumiphor |
US10571112B2 (en) | 2014-11-07 | 2020-02-25 | Chm Industries, Inc. | Rotating light emitting diode high mast luminaire |
CN114928990A (zh) * | 2022-05-27 | 2022-08-19 | 滨海治润电子有限公司 | 一种用于发光二极管的散热组件 |
CN116660866A (zh) * | 2023-07-31 | 2023-08-29 | 今创集团股份有限公司 | 一种激光雷达可视检测盒及其制作方法、应用 |
Citations (3)
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KR200437242Y1 (ko) * | 2007-03-06 | 2007-11-16 | 광성전기산업(주) | 교류 전원용 발광 다이오드 램프 |
KR20080084119A (ko) * | 2007-03-15 | 2008-09-19 | 주식회사삼명사 | 광원의 높낮이 조절이 가능한 내진형 조명기구 |
KR20090020181A (ko) * | 2007-08-23 | 2009-02-26 | 알티전자 주식회사 | 발광 다이오드 조명 장치 |
-
2010
- 2010-03-29 WO PCT/KR2010/001888 patent/WO2010117157A2/fr active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR200437242Y1 (ko) * | 2007-03-06 | 2007-11-16 | 광성전기산업(주) | 교류 전원용 발광 다이오드 램프 |
KR20080084119A (ko) * | 2007-03-15 | 2008-09-19 | 주식회사삼명사 | 광원의 높낮이 조절이 가능한 내진형 조명기구 |
KR20090020181A (ko) * | 2007-08-23 | 2009-02-26 | 알티전자 주식회사 | 발광 다이오드 조명 장치 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8491140B2 (en) | 2010-11-05 | 2013-07-23 | Cree, Inc. | Lighting device with multiple emitters and remote lumiphor |
US10571112B2 (en) | 2014-11-07 | 2020-02-25 | Chm Industries, Inc. | Rotating light emitting diode high mast luminaire |
US11473767B2 (en) | 2014-11-07 | 2022-10-18 | Chm Industries, Inc. | Rotating light emitting diode high mast luminaire |
CN114928990A (zh) * | 2022-05-27 | 2022-08-19 | 滨海治润电子有限公司 | 一种用于发光二极管的散热组件 |
CN114928990B (zh) * | 2022-05-27 | 2024-01-23 | 滨海治润电子有限公司 | 一种用于发光二极管的散热组件 |
CN116660866A (zh) * | 2023-07-31 | 2023-08-29 | 今创集团股份有限公司 | 一种激光雷达可视检测盒及其制作方法、应用 |
CN116660866B (zh) * | 2023-07-31 | 2023-12-05 | 今创集团股份有限公司 | 一种激光雷达可视检测盒及其制作方法、应用 |
Also Published As
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