CN102162581B - Liquid-cooled heat radiation LED (light-emitting diode) lamp with double-layer lamp shade - Google Patents

Liquid-cooled heat radiation LED (light-emitting diode) lamp with double-layer lamp shade Download PDF

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Publication number
CN102162581B
CN102162581B CN2010102473533A CN201010247353A CN102162581B CN 102162581 B CN102162581 B CN 102162581B CN 2010102473533 A CN2010102473533 A CN 2010102473533A CN 201010247353 A CN201010247353 A CN 201010247353A CN 102162581 B CN102162581 B CN 102162581B
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CN
China
Prior art keywords
lamp
heat
double
led
cover
Prior art date
Application number
CN2010102473533A
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Chinese (zh)
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CN102162581A (en
Inventor
姜熠
吴江平
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浙江思朗照明有限公司
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Priority to CN2010102473533A priority Critical patent/CN102162581B/en
Publication of CN102162581A publication Critical patent/CN102162581A/en
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Publication of CN102162581B publication Critical patent/CN102162581B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/56Cooling arrangements using liquid coolants
    • F21V29/58Cooling arrangements using liquid coolants characterised by the coolants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/02Globes; Bowls; Cover glasses characterised by the shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The invention relates to an LED (light-emitting diode) lamp, in particular to a liquid-cooled heat radiation LED lamp with a double-layer lamp shade. The invention provides the liquid-cooled heat radiation LED lamp with the double-layer lamp shade against the shortcomings of non-uniform heat transfer, limited heat radiation efficiency and non-obvious effect of prolonging the service life of an LED of an existing single-layer lamp shade which is combined with metal wires. The liquid-cooled heat radiation LED lamp comprises a lamp holder and a lamp shade, wherein an LED substrate is connected on the lamp holder, the lamp shade is connected at one end of the lamp holder, the lamp shade comprises an inner shade and an outer shade which are arranged into double layers, a liquid storage cavity filled with cooling liquid is formed between the two lamp shades, and a heat conduction part in heat conduction connection with the lamp holder is stuck on the outer surface of the side wall of the inner shade. In the invention, the high-efficient heat transfer is realized by adopting the inner lamp shade and the outer lamp shade which are formed into a double-layer structure and the cooling liquid between the inner lamp shade and the outer lamp shade, and combining with the heat conduction part; and compared with the existing heat radiation structure combining the single-layer lamp shade with the metal wires, the heat radiation is uniform, the efficiency is high, the cooling effect is good, the service life of the LED lamp can be prolonged more effectively, and the impacts on the weight and manufacturing cost of the LED are small.

Description

A kind of LED lamp of double-layer lampshade liquid-cooling heat radiation

Technical field

The present invention relates to a kind of LED lamp, especially a kind of LED lamp of double-layer lampshade liquid-cooling heat radiation.

Background technology

Heat radiation is to having material impact in service life of LED lamp, a lot of large-sized fin heat radiations are adopted in the heat radiation of originally traditional LED lamp, the high radiator structure replacement that is connected gradually lampshade by wire of, cost large due to volume, its structure is that the connection metal silk pastes surface at the individual layer lampshade on radiator, wire by heat conduction transfers heat to the lampshade surface from radiator and dispels the heat, but this individual layer lampshade conducts heat inhomogeneous in conjunction with the wire heat radiation, radiating efficiency is limited, to extending DeGrain in service life of LED.

Summary of the invention

Goal of the invention of the present invention is that above-mentioned existing individual layer lampshade is inhomogeneous in conjunction with the wire heat transfer, radiating efficiency is limited in order to solve, the shortcoming that extends DeGrain service life to LED, a kind of LED lamp of double-layer lampshade liquid-cooling heat radiation is provided, the radiating efficiency of described LED lamp obviously improves, fully extend service life, little on light fixture weight and manufacturing cost impact.

In order to achieve the above object, the LED lamp of a kind of double-layer lampshade liquid-cooling heat radiation of the present invention's design, comprise lamp socket and lampshade, be connected with the LED substrate on lamp socket, lampshade is connected to an end of lamp socket, it is characterized in that described lampshade comprises double-deck inner cover and outer cover, form between two lampshades and fill with the liquid storage cylinder that cooling fluid is arranged, the sidewall outer surface of inner cover is covered with lamp socket and leads hot linked heat-conducting piece.The present invention is by the lampshade of double-layer structure, the heat transfer between inner cover and outer cover is completed in cooling fluid in the dependence liquid storage cylinder and the acting in conjunction of heat-conducting piece, during work, heat-conducting piece pastes to be beneficial on the inner cover sidewall heat energy diffusion is delivered to whole inner cover surface, complete heat transfer between inner cover and outer cover by cooling fluid again, more even in conjunction with the wire heat radiation than the individual layer lampshade, radiating efficiency is high, can greatly extend the service life of light fixture, and is little on light fixture weight and manufacturing cost impact.Need to reserve the flowing heat transfer that a certain amount of bubble space is beneficial to cooling fluid when wherein filling cooling fluid.

Improve and replenish as the further of said structure, the present invention also comprises any combination of following additional technical feature or these features.

Described heat-conducting piece infiltrates in cooling fluid.Heat-conducting piece infiltrates in cooling fluid, and the abundant contact heat-exchanging of cooling fluid and heat-conducting piece dispels the heat more even, helps to improve radiating efficiency.

Described lamp socket is threaded with lampshade, and lamp socket one end is threaded ends, and the link with lamp socket on inner cover and outer cover forms respectively threaded interior adapter ring and outer adapter ring, and an end of heat-conducting piece is connected on interior adapter ring and is close to lamp socket.Inside and outside cover and lamp socket adopt and are threaded, and are convenient to installation, repair; Heat-conducting piece is close to lamp socket, and lamp socket heat conduction is good, is beneficial to heat radiation.Described adapter ring can make with lampshade is one-body molded, interior adapter ring and inner cover, and outer adapter ring and outer cover all are made into integration.

Described lamp socket comprises a radiator and is connected in the lamp holder of radiator one end by connector, the other end of radiator is provided with the connecting portion that a threaded cannelure of sidewall forms and lampshade is spirally connected, described interior adapter ring is provided with the internal thread that matches, outer adapter ring is provided with the external screw thread that matches, and the LED substrate is connected on radiator.The effect of connector is insulation lamp holder and radiator; Inside and outside cover is screwed in cannelure by interior adapter ring and outer adapter ring separately and lamp socket is threaded, and the linkage section of lampshade and lamp socket all is hidden in cannelure, is not vulnerable to the outside and collides with and cause lampshade to connect looseningly even to come off.In addition, radiator can adopt the hollow cylindrical structure, and sidewall is established radiating fin, utilizes fin to make the radiator external cooling, and inner formation spatial accommodation is integrated in LED substrate and driver in light fixture simultaneously, can reduce the volume of LED lamp, and is easy to use.

Be embedded with a sealing ring between described interior adapter ring and outer adapter ring, described sealing ring is close to the bottom surface of cannelure, has the strip groove that matches with heat-conducting piece on the inwall of sealing ring.The effect of sealing ring is that the cooling fluid in liquid storage cylinder is sealed, and avoids cooling fluid to overflow from screw connection point, prevents that the cooling fluid minimizing from affecting radiating effect or flowing into inner cover breaking-up LED illumination; Groove and heat-conducting piece match and guarantee that sealing ring and interior adapter ring fit closely seamlessly, guarantee that sealing ring is to cooling fluid good seal in liquid storage cylinder.

Described outer adapter ring overcoat one sealing shroud, the end face of sealing shroud is close to the end face of ring slot outside.Sealing shroud is tightly placed in outside outer adapter ring and touch the end face of radiator, can prevent that the invasion and attack of extraneous dust or rainwater from entering lamp interior, guarantees lamp interior normal operation, good heat radiating; Sealing shroud has elasticity and certain altitude, can protect outer adapter ring and radiator connecting portion.

Described heat-conducting piece is the netted sidewall outer surface that pastes at inner cover.The netted contact area that can increase heat-conducting piece and cooling fluid and inner cover sidewall that pastes strengthens heat-transfer effect, improves radiating efficiency.Wherein netted heat-conducting piece can by injection moulding and inner cover is one-body molded makes or separable assembled.

Described heat-conducting piece surface scribbles reflective material layer.Reflectorized material can reduce heat-conducting piece to the obstruction of light conduction efficiency, and desalination dim spot phenomenon reduces the adverse effect to illumination.

Scribble heat-conducting medium in the gap of described LED substrate and radiator joint face.Heat-conducting medium can increase the contact area of LED substrate and radiator joint face, improves heat-conducting effect, and in actual the use, heat-conducting medium can adopt heat-conducting silicone grease or its similar substance.

Described inner cover and outer cover are the spherical crown shape, form the liquid storage cylinder of crescent section between two spherical crowns.The lampshade of spherical crown shape is identical with existing lampshade shape commonly used, is convenient to utilize existing device to process, and the liquid storage cylinder of crescent section is beneficial to coolant flow and conducts heat.

The present invention adopts double-deck inside and outside lampshade and cooling fluid between the two in conjunction with the heat-conducting piece acting in conjunction, realize conducting heat efficiently, existing individual layer lampshade in conjunction with the heat radiation of wire radiator structure evenly, efficient is high, good cooling effect, the service life of the more effective prolongation of energy LED light fixture, little on LED weight and manufacturing cost impact.

Description of drawings

Fig. 1 is exploded perspective view of the present invention.

Fig. 2 is structure cutaway view of the present invention.

In figure: 1. inner cover, 2. outer cover, 3. cooling fluid, 4. radiator, 5. driver, 6. lamp holder, 7. connector, 8. nut, 9. heat-conducting piece, 10. sealing ring, 11.LED substrate, 12. sealing shrouds, 13. fins, 14. bubbles, 15. strip grooves, 16. interior adapter rings, 17. outer adapter rings.

The specific embodiment

The invention will be further described in conjunction with Figure of description below by embodiment.

Embodiment 1: the present embodiment is described as depicted in figs. 1 and 2, a kind of LED lamp of double-layer lampshade liquid-cooling heat radiation, comprise lamp socket and lampshade, described lamp socket consists of by the radiator 4 of hollow cylindrical structure with by the lamp holder 6 that connector 7 is connected in radiator one end, the radiator sidewall is evenly equipped with radiating fin 13 longitudinally, driver 5 is housed in radiator, the radiator upper end connects the LED substrate 11 that LED chip is housed, scribble heat-conducting medium in the gap of LED substrate 11 and radiator 4 joint faces, driver one end wire connects LED substrate 11, and other end wire connects lamp holder 6.

described lampshade comprises double-deck inner cover 1 and outer cover 2, two lampshades all are the spherical crown shape, form the liquid storage cylinder of crescent section between two spherical crowns, fill with in liquid storage cylinder cooling fluid 3 is arranged, radiator 4 is threaded with lampshade, radiator 4 one ends are provided with a threaded cannelure of sidewall and form the link that is spirally connected that is connected with lampshade, link with radiator 4 on inner cover 1 and outer cover 2 forms respectively threaded interior adapter ring 16 and outer adapter ring 17, described interior adapter ring and inner cover are integrated parts, outer adapter ring and outer cover are integrated parts, has internal thread on interior adapter ring 16, has external screw thread on outer adapter ring 17, the inwall of cannelure exceeds outer wall, interior adapter ring and outer adapter ring are screwed in cannelure and radiator 4 is spirally connected, be embedded with a sealing ring 10 of being close to the cannelure bottom surface between interior adapter ring and outer adapter ring, the outer also cover of outer adapter ring 17 has a sealing shroud 12, the end face of sealing shroud is close to the end face of ring slot outside.

The sidewall outer surface of described inner cover 1 pastes heat-conducting piece 9, described heat-conducting piece is the netted wire that pastes, heat-conducting piece infiltrates in cooling fluid 3, heat-conducting piece 9 tops are fixed in the sidewall of interior adapter ring 16 and are close to radiator cannelure bottom surface, the heat-conducting piece surface scribbles reflective material layer, has the strip groove 15 that matches with heat-conducting piece 9 on the inwall of sealing ring 10.In addition, connector is connected connection and LED substrate and is connected connection with radiator and all fixes by nut 8 with radiator, need to reserve bubble 14 when filling cooling fluid.

During the work of LED lamp, the heat that first LED is produced is dispelled the heat by column radiator, then utilize the heat-conducting piece wire that the heat on column radiator is delivered to inner cover and dispel the heat, by the cooling fluid in inside and outside cover separate space, the heat of inner cover is delivered to outer cover at last and dispels the heat.

Claims (6)

1. the LED lamp of a double-layer lampshade liquid-cooling heat radiation, comprise lamp socket and lampshade, be connected with LED substrate (11) on lamp socket, lampshade is connected to an end of lamp socket, described lampshade comprises double-deck inner cover (1) and outer cover (2), form between two lampshades and fill with the liquid storage cylinder that cooling fluid (3) are arranged, the sidewall outer surface of inner cover (1) is covered with lamp socket and leads hot linked heat-conducting piece (9), heat-conducting piece (9) infiltrates in cooling fluid (3), described lamp socket is threaded with lampshade, lamp socket one end is threaded ends, inner cover (1) and outer cover (2) are gone up and the link of lamp socket forms respectively threaded interior adapter ring (16) and outer adapter ring (17), one end of heat-conducting piece (9) is connected in interior adapter ring (16) and goes up and be close to lamp socket, described lamp socket comprises a radiator (4) and is connected in the lamp holder (6) of radiator one end by connector (7), the other end of radiator (4) is provided with the connecting portion that a threaded cannelure of sidewall forms and lampshade is spirally connected, described interior adapter ring (16) is provided with the internal thread that matches, outer adapter ring (17) is provided with the external screw thread that matches, LED substrate (11) is connected on radiator (4), it is characterized in that being embedded with a sealing ring (10) between described interior adapter ring (16) and outer adapter ring (17), described sealing ring is close to the bottom surface of cannelure, have on the inwall of sealing ring and strip groove (15) that heat-conducting piece (9) matches.
2. the LED lamp of a kind of double-layer lampshade liquid-cooling heat radiation according to claim 1, is characterized in that described outer adapter ring (17) overcoat one sealing shroud (12), and the end face of sealing shroud is close to the end face of ring slot outside.
3. the LED lamp of a kind of double-layer lampshade liquid-cooling heat radiation according to claim 1, is characterized in that described heat-conducting piece (9) is the netted sidewall outer surface that pastes at inner cover (1).
4. the LED lamp of a kind of double-layer lampshade liquid-cooling heat radiation according to claim 1 is characterized in that described heat-conducting piece (9) surface scribbles reflective material layer.
5. the LED lamp of a kind of double-layer lampshade liquid-cooling heat radiation according to claim 1 is characterized in that scribbling heat-conducting medium in the gap of described LED substrate (11) and radiator (4) joint face.
6. the LED lamp of a kind of double-layer lampshade liquid-cooling heat radiation according to claim 1, is characterized in that described inner cover (1) and outer cover (2) are the spherical crown shape, forms the liquid storage cylinder of crescent section between two spherical crowns.
CN2010102473533A 2010-08-06 2010-08-06 Liquid-cooled heat radiation LED (light-emitting diode) lamp with double-layer lamp shade CN102162581B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102473533A CN102162581B (en) 2010-08-06 2010-08-06 Liquid-cooled heat radiation LED (light-emitting diode) lamp with double-layer lamp shade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102473533A CN102162581B (en) 2010-08-06 2010-08-06 Liquid-cooled heat radiation LED (light-emitting diode) lamp with double-layer lamp shade

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CN102162581A CN102162581A (en) 2011-08-24
CN102162581B true CN102162581B (en) 2013-06-05

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CN103148359A (en) * 2011-12-06 2013-06-12 海洋王照明科技股份有限公司 Lamp
CN102691971A (en) * 2012-05-31 2012-09-26 英飞特光电(杭州)有限公司 LED (light emitting diode) lens
US9612002B2 (en) * 2012-10-18 2017-04-04 GE Lighting Solutions, LLC LED lamp with Nd-glass bulb
CN103062654B (en) * 2012-12-25 2015-08-12 浙江阳光照明电器集团股份有限公司 A kind of LED based on liquid cools fluorescent material
CN103994342A (en) * 2013-02-18 2014-08-20 陈炳武 Led lamp
CN103925498A (en) * 2014-04-28 2014-07-16 江苏达伦电子股份有限公司 LED liquid lamp
CN106641846B (en) * 2016-12-30 2017-11-21 郭子颖 One kind is soothed the spirit LED reading lamps
CN107258725A (en) * 2017-05-25 2017-10-20 兰溪市拜瑞珂科技服务有限公司 A kind of liquid-cooling heat radiation illuminates deinsectization device
CN107218561A (en) * 2017-05-25 2017-09-29 兰溪市拜瑞珂科技服务有限公司 A kind of LED with heat sinking function
CN107355695A (en) * 2017-05-25 2017-11-17 海盐派特普科技有限公司 A kind of bulb of not cracky
CN107477512A (en) * 2017-08-22 2017-12-15 苏州旭耀光电有限公司 A kind of automatic heat radiation water ripples LED landscape lamp

Citations (5)

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Publication number Priority date Publication date Assignee Title
GB385354A (en) * 1931-08-27 1932-12-29 Caesar Rave Improvements in and relating to miner's lamps
CN2893400Y (en) * 2006-04-12 2007-04-25 深圳市红绿蓝光电科技有限公司 LED bulb
CN101460896A (en) * 2006-06-07 2009-06-17 皇家飞利浦电子股份有限公司 Lighting device with reflector and metal housing
CN101627251A (en) * 2006-05-02 2010-01-13 舒伯布尔斯公司 The heat dissipation design that is used for the LED bulb
CN201795333U (en) * 2010-08-06 2011-04-13 艾迪光电(杭州)有限公司 Liquid-cooled heat dissipation LED lamp of double-layer lamp shade

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB385354A (en) * 1931-08-27 1932-12-29 Caesar Rave Improvements in and relating to miner's lamps
CN2893400Y (en) * 2006-04-12 2007-04-25 深圳市红绿蓝光电科技有限公司 LED bulb
CN101627251A (en) * 2006-05-02 2010-01-13 舒伯布尔斯公司 The heat dissipation design that is used for the LED bulb
CN101460896A (en) * 2006-06-07 2009-06-17 皇家飞利浦电子股份有限公司 Lighting device with reflector and metal housing
CN201795333U (en) * 2010-08-06 2011-04-13 艾迪光电(杭州)有限公司 Liquid-cooled heat dissipation LED lamp of double-layer lamp shade

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