WO2014134850A1 - Ampoule de lampe de réverbère à del très efficace et à économie d'énergie - Google Patents

Ampoule de lampe de réverbère à del très efficace et à économie d'énergie Download PDF

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Publication number
WO2014134850A1
WO2014134850A1 PCT/CN2013/073655 CN2013073655W WO2014134850A1 WO 2014134850 A1 WO2014134850 A1 WO 2014134850A1 CN 2013073655 W CN2013073655 W CN 2013073655W WO 2014134850 A1 WO2014134850 A1 WO 2014134850A1
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WO
WIPO (PCT)
Prior art keywords
lamp cap
heat
heat sink
sealing ring
lamp
Prior art date
Application number
PCT/CN2013/073655
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English (en)
Chinese (zh)
Inventor
季春庆
Original Assignee
Ji Chunqing
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Filing date
Publication date
Application filed by Ji Chunqing filed Critical Ji Chunqing
Publication of WO2014134850A1 publication Critical patent/WO2014134850A1/fr

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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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-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
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit 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
    • 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
    • F21V29/56—Cooling arrangements using liquid coolants
    • F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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]

Definitions

  • the invention relates to the technical field of lighting equipment, in particular to an energy-saving LED street light bulb.
  • the bulb has the advantages of using low-voltage power supply, low energy consumption, strong applicability, high stability, short response time, no pollution to the environment, multi-color illuminating, etc., and is widely used in various fields of life.
  • existing LEDs The main disadvantages of the street lamp are: 1. Because it can only be designed as a non-standard lamp with an integral lamp cap, the replacement repair cost is high; 2. Due to structural defects, the heat dissipation efficiency is low, making the LED lamp have a short life.
  • the existing LED street lamps have high maintenance and replacement costs, low heat dissipation efficiency and short service life due to structural defects.
  • the invention provides an energy-efficient LED street light bulb for solving existing LEDs
  • the street lamp has the problems of high maintenance and replacement cost, low heat dissipation efficiency and short service life due to structural defects.
  • An energy efficient LED street light bulb that includes:
  • a lamp cap the outer surface of which is provided with an external thread connected to the outer lamp holder
  • the lamp body is connected to the lamp cap, and comprises: a light-transmitting outer casing; a heat-dissipating cylinder disposed axially in the light-transmitting outer casing; and a first seal for sealingly connecting the end of the light-transmitting outer casing close to the lamp cap and the end of the heat-dissipating cylinder close to the lamp cap a second sealing device for sealingly connecting one end of the light-transmitting outer casing away from the lamp cap and one end of the heat-dissipating cylinder away from the lamp cap;
  • a power source disposed in the lamp cap and connected to the lamp cap;
  • the light-emitting device is disposed on the outer surface of the heat-dissipating cylinder and connected to the power source;
  • thermally conductive transparent liquid disposed in an outer surface of the heat sink, an inner surface of the transparent casing, a sealing cavity formed by the first sealing device and the second sealing device;
  • the first heat dissipating device is disposed in an end of the heat sink adjacent to the lamp cap and is connected to the power source.
  • the light emitting device comprises:
  • the ring is disposed on an outer surface of the heat sink, and is connected to a power source;
  • a plurality of LED lamps are uniformly disposed on the surface of the printed wiring substrate facing the light transmissive casing to be connected to the printed wiring substrate.
  • the first sealing device comprises: a first sealing ring whose circumferential outer surface is inserted on a circumferential inner surface of the one end port of the light transmissive casing near the lamp cap, and the circumferential inner surface is sleeved on the circumferential outer surface of the end port of the heat dissipating cylinder near the lamp cap on;
  • the second sealing device comprises: a second sealing ring whose circumferential outer surface is inserted on the circumferential inner surface of the one end port of the light transmissive casing away from the lamp cap, and the circumferential inner surface is sleeved on the circumferential outer surface of the end port of the heat dissipating cylinder away from the lamp cap on.
  • the first sealing device further includes:
  • a first annular seal ring comprising: a first annular groove for engaging a port edge of the heat sink adjacent to the lamp cap, disposed along a circumferential direction of the end surface of the first annular seal ring; a first annular recess of the first annular seal ring The slot is sleeved into the port of the heat sink adjacent to the lamp cap, and the outer surface is inserted into the inner surface of the first seal ring;
  • the second sealing device further includes:
  • a second annular sealing ring comprising: a second annular groove for cooperating with a port edge of the heat sink away from the lamp cap, disposed along a circumferential direction of the end surface of the second annular sealing ring; and a second annular concave of the second annular sealing ring The groove is sleeved into the port of the heat sink away from the lamp cap, and the outer surface is inserted into the inner surface of the second seal ring.
  • the method further includes: a plurality of fins, each of which is axially disposed on the inner surface of the heat sink in the longitudinal direction and connected to the inner surface of the heat sink.
  • the first annular sealing ring is specifically a first annular sealing ring made of silica gel
  • the second annular sealing ring is specifically a second annular sealing ring made of silica gel
  • the heat sink is specifically an aluminum heat sink, and the plurality of heat sinks are specifically aluminum heat sinks;
  • the printed circuit substrate is specifically an aluminum substrate
  • the thermally conductive transparent liquid is specifically a thermally conductive silicone oil.
  • the first heat dissipation device is specifically:
  • the first axial flow fan is axially disposed in an end of the heat sink adjacent to the lamp cap, and the blowing direction thereof is directed to the direction of the plurality of heat sinks, and is connected to the power source.
  • the outer surface of the first sealing ring and the inner surface of the end of the light-transmitting outer casing adjacent to the lamp cap are sealed by laser welding;
  • the outer surface of the second seal ring and the inner surface of the end of the light transmissive casing remote from the base are sealed by laser welding.
  • the method further includes:
  • the second heat dissipating device is disposed in an end of the heat sink away from the lamp cap and connected to the power source.
  • the second heat dissipating device is specifically a second axial flow fan, and is axially disposed in an end of the heat dissipating tube away from the lamp cap, and is connected to the power source;
  • blowing directions of the first axial fan and the second axial fan are all directed away from the base.
  • the invention provides an energy-saving LED
  • the street light bulb firstly, comprises: a thermally conductive transparent liquid, disposed in the outer surface of the heat sink, the inner surface of the light transmissive outer casing, the sealing cavity formed by the first sealing device and the second sealing device, and the transparent transparent liquid is used to accelerate the illumination
  • the liquid cooling method for generating heat generated by the device performs heat dissipation; secondly, the first heat dissipating device is disposed in an end of the heat sink adjacent to the lamp cap, connected to the power source, and is cooled by the air cooling method of the first heat dissipating device . In this way, the liquid cooling method and the air cooling method are simultaneously used.
  • the heat dissipation of LED street lamps has high heat dissipation efficiency and prolongs the service life of LED street lamps. Therefore, the energy-efficient LED street light bulb provided by the invention has high heat dissipation efficiency and long service life.
  • FIG. 1 is a perspective view showing the structure of an LED street light bulb according to Embodiment 1 of the present invention.
  • Figure 2 is a cross-sectional view of the LED street light bulb provided in Figure 1 along A-A;
  • Figure 3 is a schematic view showing the connection structure of the first sealing device and the lamp cap in Figure 1;
  • FIG. 4 is a cross-sectional structural view of an LED street light bulb according to Embodiment 2 of the present invention along an axis;
  • Figure 5 is a schematic structural view of the first annular seal ring
  • Figure 6 is a schematic view showing the cross section of the heat sink, the connection structure of the heat sink and the heat sink.
  • the first embodiment of the present invention provides an energy-efficient LED street light bulb, including:
  • the lamp cap 1 is provided with an external thread 1 ' connected to the outer lamp holder;
  • the lamp body 2 is connected to the lamp cap 1 , and comprises: a light-transmitting outer casing 3 ; the heat-dissipating cylinder 4 is axially disposed in the light-transmitting outer casing 3 ; and is used for connecting the end of the light-transmitting outer casing 3 close to the lamp cap 1 and the heat-dissipating cylinder 4 to the lamp cap first sealing means 5 has one end sealed connection; means for sealing the second end of the light-transmitting device 6 remote from the base housing 3 and the heat dissipating tube end remote from the base 1 1 4 sealed connection;
  • a power source 7 disposed in the lamp cap 1 and connected to the lamp cap 1 ;
  • the light-emitting device 8 is disposed on the outer surface of the heat-dissipating cylinder 4 and connected to the power source 7 ;
  • thermally conductive transparent liquid disposed in the outer surface of the heat sink 4 , the inner surface of the transparent casing 3 , the sealing cavity 9 formed by the first sealing device 5 and the second sealing device 6 ;
  • the first heat sink 10 is disposed in an end of the heat sink 4 adjacent to the base 1 and is connected to the power source 7 .
  • Embodiment 1 of the present invention provides an energy-efficient LED street light bulb.
  • the light-emitting device 8 emits heat
  • the first heat-dissipating device 10 blows air into the heat-dissipating tube 4 to take away a part of heat; at the same time, the heat-conductive transparent liquid absorbs The heat generated by the light-emitting device 8 is dissipated through the light-transmitting casing 3 .
  • the air-cooling method of the first heat-dissipating device 10 is used for heat dissipation, and at the same time, the heat-dissipating transparent liquid in the cavity 9 is used for liquid-cooling heat dissipation to dissipate heat, and the heat dissipation efficiency is high, thereby prolonging the service life of the LED street lamp.
  • the outer surface of the lamp cap 1 is provided with an external thread 1' which is matched with the external lamp holder, and the external thread is the internal thread of the lamp holder in the street lamp industry.
  • the standard thread of the mating such as the design of the standard bulb head (E40 or E27), does not need to replace the lamp head of the entire street lamp, and only needs to replace the LED street lamp bulb provided by the first embodiment of the invention, which is simple, convenient and cost-saving.
  • the lamp body 2 is connected to the lamp cap 1 in various ways.
  • the inner surface of the lamp cap 1 has an internal thread connected to the lamp body 2 .
  • the outer surface of the connecting post 11 is provided with an external thread matching the internal thread in the cap 1 , such a threaded connection is compact, simple and convenient.
  • the first sealing device 5 is connected to the first sealing device 5.
  • the connecting member 12 is provided with a plurality of holes on the housing for better heat dissipation.
  • the connecting member 12 can also be multiple.
  • the connecting piece has one end connected to the connecting post 11 and the other end connected to the first sealing device 5 .
  • the connecting post 11 , the connecting member 12 and the first sealing device 5 may be separately manufactured and assembled after being assembled, but it is preferably formed integrally as shown in FIG. When the street light is used, the assembly is simple and convenient. Of course, a heat dissipation cover 13 can also be disposed on the outer edge of the second sealing device 6 , which is beautiful.
  • the light-emitting device 8 is connected to the power source 7 in various manners.
  • two metal connectors can be used to be sealed and inserted into the sealed cavity 9 respectively , and one end is located outside the cavity 9 for connection with the power source 7 . The other end is sealed into the cavity 9 for connection to the illumination device 8 . In this process, as long as it is ensured that the two metal connectors embedded in the cavity 9 must be sealed and inserted, there must be no gaps, so that the airtightness in the cavity 9 can be ensured.
  • thermally conductive transparent liquid is omitted in Figure 1.
  • the light-emitting device 8 of the energy-efficient LED street light bulb provided by the second embodiment of the present invention includes:
  • the printed circuit board 14 is disposed on the outer surface of the heat sink 4 and connected to the power source 7;
  • a plurality of LED lamps are uniformly disposed on the surface of the printed wiring board 14 facing the light-transmitting casing 3 , and are connected to the printed wiring board 14 . This design guarantees 360-degree illumination and good lighting effects.
  • a plurality of LED lamps uniformly disposed on the surface of the printed wiring substrate 14 toward the light transmitting casing 3 are extremely small, and are not shown in the drawings.
  • the first sealing device 5 includes a first sealing ring 15 whose circumferential outer surface is inserted on the circumferential inner surface of the end of the light-transmitting outer casing 3 adjacent to the lamp cap 1 , and the circumferential inner surface is sleeved on the heat-dissipating cylinder 4 adjacent to the lamp cap 1 .
  • a first sealing ring 15 On the outer circumferential surface of one end of the port;
  • the second sealing device 6 includes a second sealing ring 16 whose circumferential outer surface is inserted on the circumferential inner surface of the end port of the light transmissive outer casing 3 remote from the lamp cap 1 , and the circumferential inner surface is sleeved on the heat dissipating cylinder 4 away from the lamp cap 1 . On the outer circumferential surface of one end of the port.
  • the first sealing device 5 further includes:
  • the first annular seal ring 17 includes: a first annular groove 18 for engaging with the edge of the heat sink 4 adjacent to the port of the lamp cap 1 , disposed along the circumferential direction of the end surface of the first annular seal ring 17 ; the first annular seal ring a first annular groove 18 of the sleeve 17 is inserted into the port of the heat sink 4 adjacent to the lamp cap 1 , and the outer surface is inserted into the inner surface of the first seal ring 15 ;
  • the second sealing device 6 further includes:
  • a second annular seal 19 comprising: a port for an edge remote from the base 4 and the heat of the cylinder 1 a second annular groove cooperating, along the second end surface of the annular sealing ring 19 disposed in the circumferential direction; and a second annular seal 19
  • the second annular groove is nested into the port of the heat sink 4 remote from the lamp cap 1 , and the outer surface is inserted into the inner surface of the second seal ring 16 .
  • first annular seal ring 17 and the second annular seal ring 19 allows the heat sink 4 to closely fit the first seal ring 15 and the second seal ring 16 , further ensuring the tightness of the cavity 9 .
  • the structural schematic view of the second annular sealing ring 19 is omitted from the structural view of the first annular sealing ring 17 , see FIG. 5, and of course other types of sealing rings.
  • the second annular groove of the ring 19 fits into the port of the heat sink 4 remote from the base 1 and the outer surface is inserted into the inner surface of the second seal ring 16 .
  • first annular seal ring 17 and the second annular seal ring 19 allows the heat sink 4 to closely fit the first seal ring 15 and the second seal ring 16 , further ensuring the tightness of the cavity 9 .
  • the structural schematic view of the second annular sealing ring 19 is omitted from the structural view of the first annular sealing ring 17 , see FIG. 5, and of course other types of sealing rings.
  • a plurality of fins 21 are disposed on the inner surface of the heat sink 4 in the longitudinal direction, and are connected to the inner surface of the heat sink 4 .
  • a heat conduction channel is formed between the plurality of fins 21 , which is more advantageous for heat dissipation, and further improves heat dissipation efficiency.
  • the first annular sealing ring 17 is specifically a first annular sealing ring made of silica gel
  • the second annular sealing ring 19 is specifically a second annular sealing ring made of silica gel
  • the first annular sealing ring made of silicone and the second annular sealing ring made of silicone have good
  • the sealing performance, high and low temperature resistance can adapt to the dimensional change caused by the heat sink 4 in the high temperature and low temperature temperature difference environment, and has good aging resistance and long service life.
  • other types of sealing rings can be used as long as the sealing performance is good when the ambient temperature is changed, for example, a rubber sealing ring.
  • the heat sink 4 is specifically an aluminum heat sink 25 , and the plurality of heat sinks 21 are specifically aluminum heat sinks 27; the heat dissipation effect of aluminum is good, and of course, heat sinks made of other materials.
  • the printed circuit board 14 is specifically an aluminum substrate 26 ; the heat dissipation effect of the aluminum substrate 26 is the best, and of course, other types of printed circuit boards such as a copper substrate or the like may be used.
  • the thermally conductive transparent liquid is specifically a thermally conductive silicone oil.
  • the transparency and thermal conductivity of the thermal silicone oil are the best.
  • the thermally conductive transparent liquid can also be specifically other heat-conducting liquids, as long as it can ensure good thermal conductivity and can be evenly LED street lights can be cooled, such as liquid paraffin oil.
  • the first heat dissipation device 10 is specifically:
  • the first axial fan 22 is axially disposed in an end of the aluminum heat sink 25 close to the base 1 , and its blowing direction is directed to a plurality of aluminum heat radiating fins 27 , and is connected to the power source 7 .
  • the outer surface of the first sealing ring 15 and the inner surface of the light-transmitting outer casing 3 adjacent to the first end of the lamp cap 1 are sealed by laser welding; the laser welding is used to seal the cavity 9 , so that the sealing property of the cavity 9 is better. Sealing can be done in other ways.
  • the outer surface of the second sealing ring 16 and the inner surface of the end of the light-transmitting outer casing 3 away from the lamp cap 1 are sealed by laser welding and sealed by laser welding, so that the airtightness of the cavity 9 is better, and of course, other methods can be used for sealing. .
  • the method further includes:
  • the second heat sink is disposed in an end of the heat sink 4 remote from the base 1 and connected to the power source 7.
  • the second heat dissipating device is specifically a second axial fan 24 disposed axially in an end of the heat dissipating tube 4 away from the lamp cap 1 and connected to the power source 7 ;
  • an axial fan is installed at each end of the lamp body 2 , so that the heat dissipation of the entire lamp body is uniform, the heat dissipation efficiency is improved, and the service life of the LED street lamp is prolonged.
  • blowing directions of the first axial fan 22 and the second axial fan 24 are both directed toward the direction facing away from the base 1 .
  • the power source 7 supplies power to the aluminum substrate 26 , so that the plurality of LED lamps emit light, and the plurality of LED lamps emit heat, due to the empty 9 more close to the cavity end of the thermally conductive silicone heat lamp 1, the end of the silicone oil density becomes small, a direction away from the floating cap 1 is located remote from the one end of the thermally conductive silicone density within the base 1 is relatively large, close to the base The direction of 1 moves. Thus, heat dissipation uniformity of the respective portions of the entire lamp body 2 is ensured.
  • the heat-conductive silicone oil transmits a part of the absorbed heat to the light-transmitting outer casing 3 , and the heat-conductive silicone oil transfers the other part of the heat to the aluminum heat-dissipating cylinder 25 , and then, through the first axial-flow fan 22 , blows air into the aluminum heat-dissipating cylinder 25 , and passes through an aluminum heat sink 27 formed of a thermally conductive path, a second blowing direction of the axial fan 24, the second axial flow fan 24 will blow the heat of the lamp in vitro.
  • heat is dissipated by liquid cooling of transparent heat-conductive silicone oil; secondly, air-cooling heat dissipation of the heat conduction channel formed by the first axial fan 22 is blown to a plurality of aluminum heat sinks 27 ; The heat dissipation of the axial fan 24 , the heat dissipation of the aluminum substrate 26 and the aluminum heat sink 25 are performed. In this way, all the components of the entire energy-efficient LED street lamp bulb are involved in heat dissipation, which greatly improves the heat dissipation efficiency and prolongs the service life of the energy-efficient LED street lamp bulb provided by the invention.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

Ampoule de lampe d'un réverbère à DEL à économie d'énergie, comprenant une base (1) de lampe et un corps (2) de lampe; le corps (2) de lampe comprenant une enveloppe transparente (3), un cylindre de dissipation de chaleur (4), des dispositifs d'étanchéité (5, 6), une alimentation (7), un dispositif d'émission de lumière (8), un liquide transparent thermo-conducteur et un premier dispositif de dissipation de chaleur (22); un tambour de dissipation de chaleur (4) est agencé à l'intérieur de l'enveloppe transparente (3); les deux extrémités du cylindre de dissipation de chaleur (4) et de l'enveloppe transparente (3) adjacentes à la base (1) de lampe et éloignées de celle-ci sont respectivement pourvues des dispositifs d'étanchéité (5, 6) de manière à former une cavité scellée (9) entre la surface extérieure du cylindre de dissipation de chaleur (4) et la surface intérieure de l'enveloppe transparente (3); l'alimentation (7) est agencée à l'intérieur de la base (1) de lampe; le dispositif d'émission de lumière (8) est agencé de façon annulaire sur la surface extérieure du cylindre de dissipation de chaleur (4); le liquide transparent thermo-conducteur est agencé à l'intérieur de la cavité scellée (9); et le premier dispositif de dissipation de chaleur (22) est agencé à l'intérieur d'une extrémité du cylindre de dissipation de chaleur (4) adjacente à la base (1) de lampe.
PCT/CN2013/073655 2013-03-08 2013-04-02 Ampoule de lampe de réverbère à del très efficace et à économie d'énergie WO2014134850A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310074174.8A CN103162187B (zh) 2013-03-08 2013-03-08 一种高效节能led路灯灯泡
CN201310074174.8 2013-03-08

Publications (1)

Publication Number Publication Date
WO2014134850A1 true WO2014134850A1 (fr) 2014-09-12

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CN (1) CN103162187B (fr)
WO (1) WO2014134850A1 (fr)

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