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4148results about "Lighting heating/cooling arrangements" patented technology
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LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring and medium
PendingCN121139918ALighting heating/cooling arrangementsSemiconductor devices for light sourcesControl signalJunction temperature
The invention provides an LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring. The method comprises the following steps: S100, acquiring a PWM signal or an analog signal of an LED driving command signal in real time; s200, on the basis of the change of the driving instruction signal, feedforward prediction is carried out by using a dynamic thermal inertia mapping model, and a feedforward fan control quantity is generated; s300, LED junction temperature is monitored in real time through a forward voltage method, and feedback fan control quantity is generated through a feedback controller according to the deviation between the real-time junction temperature and the target junction temperature; and S400, synthesizing the feedforward control quantity and the feedback control quantity to generate a fan PWM control signal, outputting the fan PWM control signal to a fan driving circuit, and adjusting the rotating speed of the cooling fan. According to the method, driving signals and junction temperature information are processed in parallel, and feedforward and feedback control is combined, so that self-adaptive accurate regulation and control are realized, thermal load change is quickly responded, system lag is effectively inhibited, and LED heat dissipation performance is optimized.
Owner:YUEYING INNOVATION TECH (GUANGDONG) CO LTD
Panel lamp light source integration system based on flexible circuit board
PendingCN121854815AReduce repeated revisionsreduced conversion timeElectric circuit arrangementsLighting heating/cooling arrangementsFlexible circuitsTopology design
The invention discloses a panel lamp light source integration system based on a flexible circuit board, and relates to the technical field of panel lamp light source integration. Generating an initial design drawing of the flexible circuit board containing a plurality of layers of conductive circuits and a plurality of light source bonding pads; the channel configuration module configures a driving control channel for the bonding pad and establishes a mapping table with the lighting function area; the thermal load optimization module calculates power consumption and thermal load distribution according to the mapping table and the performance parameters and adjusts routing topology to generate a final design drawing; and the manufacturing and assembling module is used for manufacturing a circuit board according to the drawing and mounting a micro light source to finish assembling. Wiring is matched with the shape of a panel and the characteristics of a light source during planning, heat distribution optimization is achieved in the layout stage, the number of times of modification is reduced, and local overheating is restrained. According to the invention, high-fit compact integration of the flexible circuit board and the panel lamp is realized, and the assembly efficiency and the operation stability are improved.
Owner:ZHONGSHAN HAOXUAN LIGHTING TECH CO LTD
High-power stadium LED lighting ceiling lamp with high heat dissipation performance
PendingCN120627034ALighting heating/cooling arrangementsSemiconductor devices for light sourcesPendant lightChandelier
The invention discloses a high-power stadium LED lighting ceiling lamp with high heat dissipation performance, and relates to the technical field of LED lighting ceiling lamps. The LED lamp comprises a lamp shell and an LED lamp panel, a heat insulation plate, a circulating pipe and a cooling fan which are sequentially distributed are arranged in the lamp shell, a heat conduction barrel is arranged on the heat insulation plate, the LED lamp panel is arranged on the heat conduction barrel, a plurality of heat conduction fins are arranged on the heat conduction barrel, and an air inlet, an exhaust pipe and a micro water pump are arranged on the lamp shell. The input end of the micro water pump communicates with the heat conduction cylinder through a pipeline, and a plurality of cooling fins are arranged on the circulating pipe. According to the LED lamp panel, a passive heat dissipation mode (for example, natural heat diffusion only depends on cooling fins or radiators) which is commonly depended on in the prior art is abandoned, an air cooling system and a liquid cooling system are innovatively and efficiently coordinated to work, active multi-stage heat dissipation of the LED lamp panel is achieved, and compared with a traditional passive heat dissipation scheme, the LED lamp panel has the advantages of being high in heat dissipation efficiency and good in heat dissipation effect. The internal temperature of the lamp can be obviously prevented from rising, and the heat dissipation efficiency is greatly improved.
Owner:NANTONG NINGRAN OPTOELECTRONICS TECHNOLOGY CO LTD
LED street lamp with sealing structure
PendingCN121322910ALighting heating/cooling arrangementsOutdoor lightingMechanical engineeringMaterials science
Owner:SHARPLUMI LIGHTING CO LTD
Membrane assembly formed by combining graphene carbon heat-conducting sheet and reversible drying agent membrane and used for demisting automobile lamp
The utility model discloses a graphene carbon heat-conducting fin and reversible desiccant membrane combined membrane component for demisting an automobile lamp, a graphene carbon heat-conducting fin layer comprises a heat absorption area and a heat conduction area, the heat absorption area is arranged towards a heating element in the automobile lamp and is used for absorbing infrared heat, the heat conduction area is formed by extending from the heat absorption area to a cold area which is easy to fog, and the reversible desiccant membrane is arranged in the heat conduction area. The heat is exported for demisting; the reversible drying agent diaphragm layer is arranged in the heat conduction area and comprises a supporting framework layer, a functional layer and active filler; the support framework layer is an expanded polytetrafluoroethylene membrane with a microporous structure, the fog absorbent slurry forms a functional layer on the surface of the expanded polytetrafluoroethylene membrane, and the fog absorbent slurry is embedded into the microporous structure to form active filling. According to the utility model, heat generated by electrical elements in the automobile lamp is utilized to realize moisture absorption and desorption circulation of the reversible drying agent diaphragm, so that the fogging problem of a novel flat and long and narrow belt type automobile lamp is effectively solved, the structure is simple, and the cost is low.
Owner:PAN ASIAN MICROVENT TECH JIANGSU CORP
Light and heat-dissipating aerospace small-sized calibration lamp mounting seat
PendingCN121274155ALighting support devicesElectric circuit arrangementsThermodynamicsShock resistance
The invention provides a light and heat-dissipating aerospace small-sized calibration lamp mounting seat, which relates to the technical field of aerospace optical small-sized calibration lamp structure fixation, and comprises a substrate mounting seat module, a conductive module, an insulating module and a heat conduction module. The conductive module comprises two chamfered semi-cylindrical conductive copper blocks and two wires with soldering lugs; the insulating module comprises an insulating polyimide isolating layer; the heat conduction module comprises a heat conduction insulation pad which is installed above two copper blocks, the positive electrode and the negative electrode of the two copper blocks are separated through an insulation polytetrafluoroethylene isolation layer, and the semi-cylindrical conductive copper blocks, the polytetrafluoroethylene isolation layer and the substrate installation base are positioned through pin holes. The soldering lug wire is installed on the left semi-cylindrical conductive copper block and the right semi-cylindrical conductive copper block in a pressing mode through top screws. The structure distribution is friendly, the anti-seismic performance is good, a good heat dissipation way is provided for the calibration lamp, and an effective and feasible implementation scheme is provided for fixing the small aerospace calibration lamp.
Owner:SHANGHAI INSTITUTE OF TECHNICAL PHYSICS CHINESE ACADEMY OF SCIENCES
Energy-saving and heat-dissipating LED lamp convenient to disassemble and assemble
PCT designated stageWO2025184982A1Light source combinationsLighting support devicesLight headLED lamp
The present invention relates to the technical field of LED lamps. Disclosed is an energy-saving and heat-dissipating LED lamp convenient to disassemble and assemble. The LED lamp comprises lamp bodies, and further comprises: a mounting cylinder. A movable ring is slidably provided outside the mounting cylinder, and a transmission channel is provided on the bottom of the mounting cylinder; a plurality of support frames are provided on the outer sidewall of the movable ring, a guide ring is provided between the support frames, and a mounting slot is formed on the sidewall of the movable ring; and a snap-fit block mating with the mounting slot is provided on one end of each support frame, connecting springs are all provided between the plurality of support frames, and a protective cover is provided on the bottom of each support frame. A plurality of LED lamps are uniformly distributed outside around the mounting cylinder, and a heat dissipation fan dissipates heat of the lamp bodies, enabling the lamp bodies to have a better heat dissipation effect, and prolonging the service lives of energy-saving lamps. Movable blocks press and fix a lamp base by driving two clamping plates to get close to each other, a plurality of lamp bodies can be fixed, and the fixing and mounting for the LED lamps are faster.
Owner:SHANGHAI WIDEN PHOTODIODE TECH CORP LTD
Cooling structure for lamp body
The invention relates to the technical field of lamp body cooling, in particular to a cooling structure for a lamp body, which comprises a front heat dissipation high light transmission assembly, a supply assembly and heat dissipation fins which are arranged on the lamp body in a covering manner, a containing cavity is formed in the front heat dissipation high-light-transmittance assembly and connected with the supply assembly through a pipeline, liquid or gas cooling media can flow through the containing cavity, and the front heat dissipation high-light-transmittance assembly is provided with a temperature sensor. And a cavity for mounting the lamp body is defined by the radiating fins and the side cover plates. The high-power portable lamp can effectively solve the problem of burn caused by skin contact or approaching due to too high temperature, can also avoid the problem that the service life of the lamp is shortened or damaged due to too high temperature rise, and realizes cooperative work of efficient active cooling and passive heat dissipation.
Owner:HUIZHOU TETA BIOMEDICAL TECHNOLOGY CO LTD
Lamp module group
ActiveUS12435846B2Electric circuit arrangementsLighting heating/cooling arrangementsElectrical conductorMechanical engineering
Owner:LUMIEN ENTERPRISE INC
Illumination device and display device
PendingJP2026009669ALighting heating/cooling arrangementsElectric lightingInterior spaceMetallic enclosure
To provide a lighting device capable of excellently radiating heat from a driver while excellently illuminating an object, and a display device equipped with the same.SOLUTION: The lighting device 2 includes a circuit substrate 5 having a front surface on which a plurality of light sources 5a are mounted and a rear surface on which a driver 5b for driving one or more light sources 5a among the plurality of light sources 5a is mounted, a lattice-shaped reflector 6 surrounding each of the plurality of light sources 5a, a metallic case 8 recessed rearward from a top surface 81 and having a recess 82 provided corresponding to the driver 5b, a first heat-conducting T1 in contact with the rear surface of the circuit substrate 5 and the top surface 81, and a second heat-conducting 5b in contact with the driver 82a and a bottom wall of the recess 82. T2. In the circuit substrate 5, a hole 5H through which the internal space Si of the recess 82 and the front space Sf of the circuit substrate 5 communicate with each other is formed at a position covered with the reflector 6.SELECTED DRAWING: Figure 5
Owner:NIPPON SEIKI CO LTD
Lighting device assembly with heat sink
ActiveUS20260002663A1Lighting support devicesLighting heating/cooling arrangementsLight equipmentHeat spreader
A lighting device assembly includes an optic assembly having a light source, a housing having a cavity in which the at least a portion of the optic assembly is received, the housing is configured to secure the lighting device assembly to a wall, a ceiling, or a surface, and a heat sink configured to couple the optic assembly to an opening of the housing that defines the cavity. The heat sink includes a hinged aiming mechanism configured to movably couple the optic assembly to the housing to allow the light source to move relative to the housing.
Owner:TROY CSL LIGHTING INC
Solar fountain head and swimming pool fountain
ActiveCN223811177ULighting applicationsPhotovoltaic supportsAtmospheric sciencesMechanical engineering
The utility model discloses a solar fountain head and a swimming pool fountain, the solar fountain head comprises a main shell and a solar panel, the top of the main shell is provided with a detachable cover plate, the solar panel is installed on the cover plate, and the solar panel is horizontally arranged; a water inlet cavity is formed in the main shell, fountain openings which are arranged at intervals are formed in one side of the main shell, the fountain openings are communicated with the water inlet cavity, and an included angle which is an acute angle is formed between the axis of each fountain opening and the solar panel; the solar panel is in a horizontal state and can uniformly receive illumination in different time periods, especially under the condition of direct sunlight. The fountain opening is obliquely arranged relative to the solar panel, the requirements for the water spraying height and distance of the fountain opening can be met, and the ornamental value and practicability are improved.
Owner:SHENZHEN MAINING INNOVATION TECH CO LTD
Lamp chamber heat dissipation structure and photoetching equipment
ActiveCN223857580ULighting heating/cooling arrangementsPhotomechanical exposure apparatusMechanical engineeringMaterials science
The utility model discloses a lamp chamber heat dissipation structure and photoetching equipment, and relates to the technical field of photoetching equipment. The lamp chamber heat dissipation structure comprises a light source, a lamp chamber body, an air inlet assembly and an air exhaust assembly. The air inlet assembly and the air exhaust assembly are arranged at the two opposite ends of the lamp chamber body respectively. The lamp chamber body comprises a containing cavity defined by an upper lampshade and a lower lampshade which are oppositely arranged, and the light source is arranged in the containing cavity. The air inlet assembly comprises an air inlet hole communicating with the lamp chamber body, and the lamp chamber body communicates with the outside through the air inlet hole. The exhaust assembly comprises an exhaust channel communicating with the lamp chamber body, and the lamp chamber body communicates with the outside through the exhaust channel. Air enters the lamp chamber body through the air inlet hole and then is exhausted from an outlet of the exhaust channel through the upper lampshade and the lower lampshade in sequence. According to the lamp chamber heat dissipation structure, the heat dissipation effect in the lamp chamber can be improved, and then the temperature stability of a light source and the yield of chip manufacturing are guaranteed.
Owner:NEW YIDONG (SHANGHAI) TECH CO LTD
LED light source structure
ActiveCN223425241ULighting heating/cooling arrangementsSemiconductor devices for light sourcesThermodynamicsGlass cover
The utility model discloses an LED light source structure, and belongs to the technical field of LED light sources. The LED lamp mainly comprises a shell, a plurality of light source assemblies and a plurality of heat dissipation assemblies, a glass cover is detachably installed on one side of the shell, a plurality of installation grooves are formed in one side of the shell, the light source assemblies are installed in the installation grooves respectively, the heat dissipation assemblies are installed in the installation grooves respectively, and each heat dissipation assembly comprises a heat conduction plate. The heat conduction plate abuts against one side of the light source assembly, and a plurality of cooling fins are installed on one side of the heat conduction plate. According to the LED light source structure, heat generated by the light source assembly can be transmitted into the heat conduction plate, the heat of the heat conduction plate can be dissipated by installing the multiple heat dissipation fins at the bottom of the heat conduction plate, finally, by arranging the ventilation grooves and the heat dissipation fan, airflow can be generated, the temperature of the heat dissipation fins is reduced, and the heat dissipation efficiency is improved. Therefore, the speed of heat dissipation of the heat dissipation fins to the air is increased, the light source assembly can be prevented from being damaged due to overheating, and the service life of the device is prolonged.
Owner:SHENZHEN SIMEI GENERAL TECH CO LTD
Lighting apparatus
ActiveUS12601467B2Lighting heating/cooling arrangementsProtective devices for lightingLight equipmentMechanical engineering
A lighting apparatus includes a plastic cover, a trumpet housing and a light source plate. The plastic cover has an edge portion, a light passing cover and a connection column. The trumpet housing has a widened section and a neck portion. A top end of the neck portion is coupled to a bottom end of the widened section. A diameter of the widened section increases through a tapered transition from the bottom end of the widened section to a top end of the widened section. A light source plate is mounted with a LED module on a front surface. The light source plate is fixed to an inner structure of trumpet housing. The connection column engages the front surface of the light source plate. The edge portion of the plastic engages the top end of the widen section of the trumpet housing.
Owner:LEEDARSON GREEN LIGHTING
Lighting assembly
ActiveUS12442522B2Lighting support devicesElectric circuit arrangementsElectronic componentLight source
A lighting assembly includes a lighting apparatus that includes a component housing that receives a light source and first and compartments for housing electronic components, the second compartment spaced from the first compartment by a channel. The lighting apparatus includes a mounting assembly that includes a first joint received within the channel, coupled to the component housing, and translatable along the channel between a use position and a stowage position. The mounting assembly also includes a mount arm coupled to the component housing by the first joint and rotatable relative to the joint about a pivot axis. When the first joint is in the use position the pivot axis extends through a center of gravity of the lighting apparatus.
Owner:VIDENDUM PROD SOLUTIONS INC
Demisting device for car lamp
ActiveCN223411904UDispersed particle filtrationLighting heating/cooling arrangementsWater vaporDefogger
The utility model relates to the technical field of automobile lamp demisting, in particular to an automobile lamp demisting device which comprises a filtering module, a pressure module, a heater and a controller, the filtering module, the pressure module and the heater are sequentially connected through flexible pipes, and the controller is electrically connected with the pressure module and the heater. External air is filtered by the filtering module and then transmitted to the pressure module, the air is pressurized through the pressure module and conveyed to the heater, and the air is heated by the heater and then connected with an exhaust hole of the automobile lamp through a flexible pipe. External air is treated through the filtering module, and impurities and moisture are removed. And then, the gas is pressurized in the pressure module, realizes constant-pressure output, and is injected into the lamp after being heated by the heater. Heated gas enters from one exhaust hole of the automobile lamp and flows out from the other exhaust hole; the heated gas can quickly promote evaporation of water vapor in the lamp in the flowing process and take away moisture to demist the automobile lamp.
Owner:JILIN DONGGUANG RUIBAO LAMP
LED lamp active heat dissipation device with intelligent air guide structure
The invention relates to the technical field of lighting equipment, and discloses an LED lamp active heat dissipation device with an intelligent air guide structure, a lamp shell, an LED chip and a power pack, a plurality of vent holes are formed in the outer wall of the lamp shell, an air window assembly is installed in the lamp shell and used for opening the vent holes along with temperature rise, a sterilization assembly is installed on the outer side of the lamp shell, and the LED chip is installed on the lamp shell. The lamp shell is used for optimizing the surrounding environment of the lamp, and an auxiliary heat dissipation assembly is installed in the middle of the lamp shell. The air window assembly comprises a supporting block, the supporting block is fixedly connected to the inner wall of the lamp shell, a thermal expansion metal sheet is fixedly connected to the outer side of the supporting block, and a sliding rod is installed on the outer side of the thermal expansion metal sheet. When the temperature in the lamp reaches 60-65 DEG C through the temperature control switch, the thermistor trigger circuit in the lamp starts the cooling fan, the air window starts to be opened at the same time, air flowing can be rapidly improved under the assistance of the cooling fan, and therefore the cooling effect is further improved.
Owner:GUANGDONG HUASHI TECH CO LTD
Breathing type LED heat dissipation lamp
The breathing type LED heat dissipation lamp comprises a lamp body, a heat conduction plate is fixedly connected to the middle of the inner side face of the lamp body, guide rods are fixedly connected to the two sides of the upper surface of the heat conduction plate, and connecting rings are slidably connected to the middles of the outer surfaces of the guide rods. According to the breathing type LED heat dissipation lamp, through the arrangement of a heat conduction plate, a guide rod, an air bag, a connecting rod, a baffle and a spring, the heat conduction plate guides heat out upwards, the arc-shaped air bag expands along with continuous injection of the heat, a connecting ring is driven to slide upwards on the outer surface of the guide rod, meanwhile, the baffle is opened through the connecting rod, a breathing groove is opened, and heat dissipation is achieved. Hot air in the lamp can be exhausted to the outside through the breathing grooves, air convection is enhanced, the heat dissipation effect is improved, in the heat exchange process, the air pressure inside the lamp body is different from the air pressure outside the lamp body, the problem that outside dust enters the lamp body, and dust accumulation is caused can be avoided, the breathing type heat dissipation mode of the lamp is achieved, and the service life of the LED lamp is prolonged.
Owner:HANGZHOU BOREGAO TECH CO LTD
Refrigerator
Provided is a refrigerator. The refrigerator comprises: a refrigerator door including a door body and a panel assembly, wherein the panel assembly comprises: a panel configured to transmit light therethrough, a back cover positioned at a rear surface of the panel, a lighting device configured to emit light toward the panel, a supporter supporting the lighting device, the support facing the back cover and configured to transfer heat generated at the lighting device to the back cover to thereby dissipate heat at the back cover, and a heat dissipation member positioned at the back cover and configured to dissipate heat transferred from the light supporter.
Owner:LG ELECTRONICS INC
Self-cooling dustproof LED working lamp
PendingCN120991268ALighting support devicesLighting heating/cooling arrangementsMicro motorLamp shell
The invention relates to the technical field of LED lamps, and discloses a self-cooling type dustproof LED working lamp which comprises a lamp shell and a lampshade, the lamp shell is connected with the lampshade in a clamped mode, the lamp shell is communicated with the interior of the lampshade, an LED light source and a temperature sensor are installed in the lampshade, an annular base is installed in the lamp shell, an annular plate is installed on the annular base, an auxiliary block is installed on the annular plate, and the auxiliary block is connected with the LED light source. The inner side of the annular base is fixedly connected with a connecting annular plate, and a heat dissipation mechanism is installed in the connecting annular plate. By arranging the heat dissipation mechanism and the temperature sensor, the temperature can be monitored through the temperature sensor, so that the heat dissipation mechanism can be automatically driven to automatically dissipate heat in the lamp shell and the lampshade, a movable part can be driven to move through starting of a micro motor, and therefore an auxiliary block can assist in air conveying; and heat absorbed in the N-type semi-conduit and the P-type semi-conduit is quickly taken away, so that quick auxiliary heat dissipation is realized.
Owner:XIANGHUA EXPLOSION PROOF TECH CO LTD
Intelligent frameless full-projection down lamp system based on adjustable light emitting angle
PendingCN121429979ALighting support devicesLighting heating/cooling arrangementsIntelligent lightingProjection system
The invention discloses an intelligent frameless full-projection down lamp system based on an adjustable light emitting angle, and relates to the technical field of light adjustment of projection down lamps, the intelligent frameless full-projection down lamp system comprises a lamp shell, a reflection cup cover, a lamp panel assembly and spring buckles, the reflection cup cover is slidably connected in the lamp shell, the lamp panel assembly is arranged in a through hole in the inner side of the reflection cup cover, and the spring buckles are symmetrically installed on the back side of the lamp shell; the lamp panel assembly comprises an integrated LED lamp panel and a lantern ring arranged on the back side of the integrated LED lamp panel. The deflection column and the loop bar mechanism are innovatively combined and linked with the reflection cup cover, precise control over the projection direction and flexible adjustment of the light coverage range are achieved, the system is cooperatively controlled through multiple driving assemblies, multi-dimensional optical adjustment is achieved under the constraint of a frameless structure, and the system is suitable for large-scale popularization and application. And meanwhile, the heat dissipation problem in a compact space is solved through the integrated heat dissipation fin sleeve, and a brand new solution is provided for an intelligent illumination and projection system.
Owner:ANHUI SHILIN LIGHTING
Alloy buckle type screw-free UFO mining lamp
The utility model discloses an alloy buckle type screw-free UFO mining lamp, and relates to the technical field of mining lamps, the alloy buckle type screw-free UFO mining lamp comprises a shell and a lighting mounting mechanism, and the lighting mounting mechanism is arranged on the inner side of the shell; through the arrangement of the illumination mounting mechanism, the lens disc and the shell are fixedly clamped through a fixing buckle, the mounting convenience of the lens disc is improved, meanwhile, a pressing buckle spring is deformed during buckling, and when the stroke reaches the maximum deformation stress point, the pressing buckle spring can provide an inward recovery force, so that the lens disc is prevented from being damaged. The light emitted by the lamp panel is subjected to angle refraction through the optical light guide groove, the irradiation angle of the lamp panel is changed, and when the angle of the UFO mining lamp needs to be changed, only the fixing buckle needs to be opened to rotate the angle of the lens disc, and then the UFO mining lamp can be installed through the fixing buckle and the lens disc. And different angles of the UFO mining lamp can be adjusted by fixing the lamp holder, so that the use convenience of the UFO mining lamp is improved.
Owner:TORSHARE
Light source system of integrated closed heat dissipation structure and heat dissipation method
PendingCN120617831ALighting heating/cooling arrangementsLight therapyUltraviolet A light therapyMechanical engineering
The invention relates to a light source system of an integrated closed heat dissipation structure. The light source system is mainly applied to equipment such as an ultraviolet phototherapy instrument. Aiming at the contradiction between potential safety hazards (liquid / dust invasion and ozone leakage) and heat dissipation efficiency in the existing open type air cooling heat dissipation scheme, the system innovatively adopts a totally-closed structure: a closed space for isolating the outside is formed by a sealed shell, and an internal circulation heat dissipation unit consisting of a heat conducting plate, a semiconductor chilling plate cold end and a double-circulation fan is arranged in the closed space. After cold air absorbs heat through the light source module, heat exchange is completed in a cold source fin air channel, and internal efficient circulation heat dissipation is achieved. And meanwhile, heat is led out through the hot end of the semiconductor chilling plate and an external cooling fan. The system has the advantages of airtight protection and active heat dissipation, external pollutants are effectively isolated, ozone leakage is prevented, the heat dissipation efficiency is improved through the multi-stage heat conduction design, the service life of a light source is prolonged, and the problem of contradiction between protection and heat dissipation in a traditional scheme is solved.
Owner:JIANGSU SIGMA MEDICAL TECH CO LTD
Folded to open heat sink for ultra small, recessed ceiling spots
PCT designated stageWO2025252414A1Lighting heating/cooling arrangementsFixed installationConductive materialsThermal contact
The invention provides a lighting arrangement (1) comprising a light generating device (100), a heat spreader (200), and a ceiling arrangement (301); wherein (I) the light generating device (100) comprises (i) a first device portion (120) comprising a first side (121) of the light generating device (100) and (ii) a second device portion (140) comprising a second side (141) of the light generating device (100); wherein the first device portion (120) comprises a heat dissipating surface (130); wherein the light generating device (100) is configured to emit device light (101) from the second side (141); (II) the heat spreader (200) comprises a thermally conductive material having a thermal conductivity of at least 150 W / m / K in-plane; (III) the ceiling arrangement (301) comprises (a) a ceiling board (310) and (b) a cavity (350), configured at a first ceiling board side (311); wherein the board (310) comprises a through-hole (360); (IV) the light generating device (100) is at least partly configured in the ceiling arrangement (301), wherein the first device portion (120) is at least partly configured in the cavity (350) and wherein the second device portion (140) is at least partly configured in the through-hole (360); wherein the light generating device (100) is configured for illuminating a space (500) arranged at a second ceiling board side (312) with the device light (101); and (V) the heat spreader (200) is configured in the cavity (350); and wherein the heat dissipating surface (130) and the heat spreader (200) are configured in thermal contact with each other.
Owner:SIGNIFY HOLDING BV
Integrated headlamp convenient to maintain and using method thereof
PendingCN120868385AVehicle headlampsLighting heating/cooling arrangementsTemperature controlHeadlamp
The invention relates to the technical field of integrated headlamps, and discloses an integrated headlamp convenient to maintain and a using method thereof.The integrated headlamp convenient to maintain comprises an integrated shell and further comprises a heat dissipation mechanism, the heat dissipation mechanism is arranged in the integrated shell and comprises a light-emitting area arranged in the integrated shell, and a fixing plate is fixedly installed on the back face of the light-emitting area; a mounting cavity is formed in the integrated shell, a T-shaped round box is arranged in the mounting cavity, an annular box is arranged on the outer wall of the T-shaped round box, and a water absorption sponge is fixedly mounted in the annular box. When an annular block moves to a connector of a T-shaped round box and an annular box, an originally closed channel is opened, as an arc-shaped groove is communicated with the annular box, and the T-shaped round box is connected with a light-emitting area, hot air is discharged out of the integrated shell along the channel, and the heat dissipation capacity of the light-emitting area is effectively enhanced in the process; a ventilation path is automatically opened through a paraffin phase change driving mechanical structure, and the synergistic effect of intelligent temperature control and efficient heat dissipation is achieved.
Owner:上海熹辰科技有限公司
An LED light strip type LED lamp with good lighting effect
The present invention relates to the technical field of LED lamps, and discloses an LED light bar type LED lamp with good lighting effect, wherein the inner side of the connecting plate is bolted with a fixing bolt, the bottom of the connecting plate is provided with a lifting mechanism, the bottom of the lifting mechanism is provided with an LED lamp body, the top of the LED lamp body is provided with a rotating cleaning mechanism, the outer periphery of the top of the LED lamp body is provided with a dust removal mechanism, the rotating cleaning mechanism includes a rotating assembly and a cleaning assembly, the rotating assembly is provided on the front of the top of the LED lamp body, the cleaning assembly is provided on the top of the LED lamp body, the rotating assembly includes a load-bearing plate, and the load-bearing plate is fixedly connected to the front of the LED lamp body. A first motor drives a worm to rotate, the worm engages with a worm wheel, causes a linkage rod to rotate, and then drives a Fresnel lens to rotate. The Fresnel lens can effectively converge and refract the light emitted by the LED lamp body, adjust the propagation direction and angle of the light, and improve the lighting efficiency and quality of the LED lamp.
Owner:SHANGHAI TONGQIN SHUZHI TECH GRP CO LTD
Snap-fit bubble lamp
ActiveUS12474033B1Lighting heating/cooling arrangementsElectric lightingMechanical engineeringPhysics
The disclosure provides embodiments of snap-fit bubble lamps. In some examples, a snap-fit bubble lamp includes a decorative shell, a heating light source, and a bubble tube. The decorative shell includes an upper shell body and a lower shell body in snap fit with the upper shell body, and has a top end formed with a first opening and a bottom end formed with a second opening. The heating light source is mounted in the second opening and includes a threaded lamp base, a lamp shade, and a heating filament. The bubble tube is mounted in the first opening. The heating light source transfers heat to the bubble tube to generate bubbles in the bubble tube. The decorative shell is assembled by snap fit, and the assembly structure is simplified, thus reducing the production cost and making the decorative shell detachable and reusable.
Owner:DONGGUAN HUIHUAN LIGHTING CO LTD
PCB structure for preventing thermal interaction of different function leds
ActiveCN223610063UElectric circuit arrangementsLighting heating/cooling arrangementsThermodynamicsMaterials science
The utility model belongs to the field of car light, concretely relates to a PCB structure of preventing different function LED heat mutual influence, including low -power LED area, high -power LED area, copper layer, insulating layer and metal base plate, insulating layer and copper layer are sequentially arranged on the top of metal base plate, low -power LED area and high -power LED area are separately set up on copper layer, the middle embedding of metal base plate has insulating substrate and insulating substrate is located between low -power LED area and high -power LED area, the corresponding metal base plate inside embedding of high -power LED area has a plurality of heat dissipation columns. The utility model discloses through setting up insulating substrate, realized the heat isolation between different function LED.
Owner:XUNCHI VEHICLE IND JIANGSU
LIGHTING DEVICE AND METHOD
PendingDE102024108642A1Electric circuit arrangementsLighting heating/cooling arrangementsLight headSemiconductor
The invention relates to a lighting device comprising a semiconductor light source arrangement arranged on a carrier, electronics arranged on the carrier for operating the semiconductor light source arrangement, a heat sink for cooling the semiconductor light source arrangement, an electrical connection element for supplying power to the semiconductor light source arrangement, a holder, and a cap. The carrier is arranged in a first recess of the holder, and the heat sink forms at least one surface in the first recess that is substantially parallel to the carrier and on which the carrier is arranged. The cap is arranged in the first recess on the carrier and has a second recess that exposes the semiconductor light source arrangement. In addition, a first encapsulation material is arranged between the holder and the cap, and a second encapsulation material is arranged between the cap and the semiconductor light source arrangement and / or the carrier.
Owner:OSRAM GMBH