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WO2014134850A1 - Lamp bulb of high-efficiency energy-saving led street lamp - Google Patents

Lamp bulb of high-efficiency energy-saving led street lamp 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
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/073655
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French (fr)
Chinese (zh)
Inventor
季春庆
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Individual
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Individual
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Filing date
Publication date
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Publication of WO2014134850A1 publication Critical patent/WO2014134850A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

A lamp bulb of an energy-saving LED street lamp, comprising a lamp base (1) and a lamp body (2); the lamp body (2) comprises a transparent casing (3), a heat dissipation barrel (4), sealing devices (5, 6), a power supply (7), a light emitting device (8), a heat-conductive transparent liquid, and a first heat dissipation device (22); a heat dissipation drum (4) is arranged inside the transparent casing (3); of both the heat dissipation barrel (4) and the transparent casing, (3) the two ends adjacent to and away from the lamp base (1) are respectively provided with the sealing devices (5, 6) so as to form a sealed cavity (9) between the outer surface of the heat dissipation barrel (4) and the inner surface of the transparent casing (3); the power supply (7) is arranged inside the lamp base (1); the light emitting device (8) is annularly arranged on the outer surface of the heat dissipation barrel (4); the heat-conductive transparent liquid is arranged inside the sealed cavity (9); and the first heat dissipation device (22) is arranged inside one end of the heat dissipation barrel (4) adjacent to the lamp base (1).

Description

一种高效节能LED路灯灯泡  High-efficiency energy-saving LED street light bulb 技术领域Technical field

本发明涉及照明设备技术领域，特别是指 一种高效节能 LED 路灯灯泡。  The invention relates to the technical field of lighting equipment, in particular to an energy-saving LED street light bulb.

背景技术Background technique

LED 灯泡具有使用低压电源、耗能少、适用性强、稳定性高、响应时间短、对环境无污染、多色发光等的优点，被广泛的应用到生活的各个领域中。然而，现有的 LED 路灯主要的缺点是： 1 、由于 只能设计成整体灯头的非标灯具，使得更换维修成本高； 2 、由于结构上的缺陷，散热效率低，使得 LED 灯寿命短。 led 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. However, 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.

由此可见，现有 LED 路灯，由于存在结构上的缺陷，使得维修更换成本高，散热效率低，使用寿命短。 It can be seen that the existing LED street lamps have high maintenance and replacement costs, low heat dissipation efficiency and short service life due to structural defects.

技术问题technical problem

本发明提供了 一种高效节能 LED 路灯灯泡，用以解决现有 LED 路灯，由于存在结构上的缺陷，使得维修更换成本高，散热效率低，使用寿命短的问题。  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.

技术解决方案Technical solution

为解决上述问题，本发明采用的技术方案为： In order to solve the above problems, the technical solution adopted by the present invention is:

一种高效节能 LED 路灯灯泡，包括： An energy efficient LED street light bulb that includes:

灯头，其外表面设置有与外部灯座连接的外螺纹； a lamp cap, the outer surface of which is provided with an external thread connected to the outer lamp holder;

灯体，与灯头连接，包括：透光外壳；散热筒，轴向设置在透光外壳内；用于将透光外壳的靠近灯头的一端和散热筒的靠近灯头的一端密封连接的第一密封装置；用于将透光外壳的远离灯头的一端和散热筒的远离灯头的一端密封连接的第二密封装置； 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;

电源，设置在灯头内，与灯头连接； a power source disposed in the lamp cap and connected to the lamp cap;

发光装置，环设在散热筒的外表面，与电源连接； The light-emitting device is disposed on the outer surface of the heat-dissipating cylinder and connected to the power source;

导热透明液体，设置在散热筒的外表面、透明壳体的内表面、第一密封装置和第二密封装置构成的密封空腔内； a 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;

第一散热装置，设置在散热筒的靠近灯头的一端内，与电源连接。 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.

作为一种优选方案，发光装置包括： As a preferred solution, the light emitting device comprises:

印刷线路基板，环设在散热筒的外表面，与电源连接； a printed circuit board, the ring is disposed on an outer surface of the heat sink, and is connected to a power source;

多个 LED 灯，均匀地设置在印刷线路基板朝向透光外壳的表面上，与印刷线路基板连接。 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.

作为一种优选方案， As a preferred solution,

第一密封装置包括：第一密封环，其圆周外表面插接在透光外壳的靠近灯头的一端端口的圆周内表面上，圆周内表面套在散热筒的靠近灯头的一端端口的圆周外表面上； 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;

第二密封装置包括：第二密封环，其圆周外表面插接在透光外壳的远离灯头的一端端口的圆周内表面上，圆周内表面套在散热筒的远离灯头的一端端口的圆周外表面上。 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.

作为一种优选方案，第一密封装置还包括： As a preferred solution, the first sealing device further includes:

第一环形密封圈，包括：用于与散热筒的靠近灯头的端口边缘相配合的第一环形凹槽，沿第一环形密封圈的端面圆周方向设置；第一环形密封圈的第一环形凹槽套入散热筒的靠近灯头的端口内，外表面插入第一密封环的内表面内； 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;

第二密封装置还包括： The second sealing device further includes:

第二环形密封圈，包括：用于与散热筒的远离灯头的端口边缘相配合的第二环形凹槽，沿第二环形密封圈的端面圆周方向设置；第二环形密封圈的第二环形凹槽套入散热筒的远离灯头的端口内，外表面插入第二密封环的内表面内。 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.

作为一种优选方案，还包括：多个散热片，均沿长度方向轴向设置在散热筒的内表面上，与散热筒的内表面连接。 As a preferred solution, 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.

作为一种优选方案， As a preferred solution,

第一环形密封圈具体为硅胶制第一环形密封圈，第二环形密封圈具体为硅胶制第二环形密封圈； The first annular sealing ring is specifically a first annular sealing ring made of silica gel, and the second annular sealing ring is specifically a second annular sealing ring made of silica gel;

散热筒具体为铝制散热筒，多个散热片具体为铝制散热片； The heat sink is specifically an aluminum heat sink, and the plurality of heat sinks are specifically aluminum heat sinks;

印刷线路基板具体为铝基板； The printed circuit substrate is specifically an aluminum substrate;

导热透明液体具体为导热硅油。 The thermally conductive transparent liquid is specifically a thermally conductive silicone oil.

作为一种优选方案，第一散热装置具体为： As a preferred solution, the first heat dissipation device is specifically:

第一轴流风扇，轴向设置在散热筒的靠近灯头的一端内，其吹风方向朝向多个散热片的方向，与电源连接。 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.

作为一种优选方案，第一密封环的外表面与透光外壳的靠近灯头的一端内表面采用激光焊接密封； As a preferred solution, 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;

第二密封环的外表面与透光外壳的远离灯头的一端内表面采用激光焊接密封。 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.

作为一种优选方案，还包括： As a preferred solution, the method further includes:

第二散热装置，设置在散热筒的远离灯头的一端内，与电源连接。 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.

作为一种优选方案， As a preferred solution,

第二散热装置具体为第二轴流风扇，轴向设置在散热筒的远离灯头的一端内，与电源连接； 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;

第一轴流风扇和第二轴流风扇的吹风方向均朝向背向灯头的方向。 The blowing directions of the first axial fan and the second axial fan are all directed away from the base.

有益效果Beneficial effect

本发明提供的 一种高效节能 LED 路灯灯泡，首先，由于包括：导热透明液体，设置在散热筒的外表面、透光外壳的内表面、第一密封装置和第二密封装置构成的密封空腔内，利用导热透明液体来加快发光装置工作中产生的热量的液冷方式进行散热；其次，由于包括：第一散热装置，设置在散热筒的靠近灯头的一端内，与电源连接，利用该第一散热装置的风冷方式进行散热。这样，同时利用液冷散热方式和风冷散热方式进行对 LED 路灯的散热，散热效率高，延长了 LED 路灯的使用寿命。故 本发明提供的 高效节能 LED 路灯灯泡，散热效率高，使用寿命长。  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.

附图说明DRAWINGS

为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。 In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

图 1 为本发明实施例一提供的 LED 路灯灯泡的立体 结构 示意图； 1 is a perspective view showing the structure of an LED street light bulb according to Embodiment 1 of the present invention;

图 2 为图 1 中提供的 LED 路灯灯泡沿 A-A 处的剖视 结构 示意图； Figure 2 is a cross-sectional view of the LED street light bulb provided in Figure 1 along A-A;

图 3 为图 1 中第一密封装置与灯头的连接 结构 示意图； Figure 3 is a schematic view showing the connection structure of the first sealing device and the lamp cap in Figure 1;

图 4 为本发明实施例二提供的 LED 路灯灯泡沿轴线的剖视结构示意图； 4 is a cross-sectional structural view of an LED street light bulb according to Embodiment 2 of the present invention along an axis;

图 5 为第一环形密封圈的结构示意图； Figure 5 is a schematic structural view of the first annular seal ring;

图 6 为散热筒的横截面、散热筒与散热片的连接结构示意图。 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.

附图标记： 1 、灯头； 1 ' 、外螺纹； 2 、灯体； 3 、透光外壳 ； 4 、散热筒 ； 5 、第一密封装置； 6 、第二密封装置； 7 、电源； 8 、发光装置； 9 、空腔； 10 、第一散热装置； 11 、连接柱； 12 、连接件； 13 、散热罩； 14 、印刷线路基板； 15 、第一密封环； 16 、第二密封环； 17 、第一环形密封圈； 18 、第一环形凹槽； 19 、第二环形密封圈； 21 、散热片； 22 、第一轴流风扇； 24 、第二轴流风扇； 25 、铝制散热筒； 26 、铝基板； 27 、铝制散热片。 Reference numerals: 1, lamp holder; 1 ', external thread; 2, lamp body; 3, light-transmissive shell; 4, heat sink; 5 , first sealing device; 6, second sealing device; 7, power supply; 8, illuminating device; 9, cavity; 10, first heat sink; 11, connecting column; 12, connecting piece; , heat shield; 14, printed circuit board; 15, first seal ring; 16, second seal ring; 17, first annular seal; 18, first annular groove; 19, second annular seal; 21, heat sink; 22, first axial fan; 24, second axial fan; 25, aluminum heat sink; 26, aluminum substrate; 27, aluminum heat sink.

本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION

本发明的实施方式Embodiments of the invention

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

如图 1 和图 2 所示，本发明实施例一提供了 一种高效节能 LED 路灯灯泡，包括： As shown in FIG. 1 and FIG. 2, the first embodiment of the present invention provides an energy-efficient LED street light bulb, including:

灯头 1 ， 其外表面设置有与外部灯座连接的外螺纹 1 ' ；The lamp cap 1 is provided with an external thread 1 ' connected to the outer lamp holder;

灯体 2 ，与灯头 1 连接，包括：透光外壳 3 ；散热筒 4 ，轴向设置在透光外壳 3 内；用于将透光外壳 3 的靠近灯头 1 的一端和散热筒 4 的靠近灯头 1 的一端密封连接的第一密封装置 5 ； 用于将透光外壳 3 的远离灯头 1 的一端和散热筒 4 的远离灯头 1 的一端密封连接的第二密封装置 6 ；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;

电源 7 ，设置在灯头 1 内，与灯头 1 连接；a power source 7 disposed in the lamp cap 1 and connected to the lamp cap 1 ;

发光装置 8 ，环设在散热筒 4 的外表面，与电源 7 连接；The light-emitting device 8 is disposed on the outer surface of the heat-dissipating cylinder 4 and connected to the power source 7 ;

导热透明液体，设置在散热筒 4 的外表面、透明壳体 3 的内表面、第一密封装置 5 和第二密封装置 6 构成的密封空腔 9 内；a 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 ;

第一散热装置 10 ，设置在散热筒 4 的靠近灯头 1 的一端内，与电源 7 连接。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 .

本发明实施例一提供了 一种高效节能 LED 路灯灯泡，工作时，发光装置 8 的工作发出热量，第一散热装置 10 向散热筒 4 内吹风，带走一部分的热量；同时，导热透明液体吸收了发光装置 8 发出的热量，通过透光外壳 3 散热出去。这样，利用第一散热装置 10 的风冷方式进行散热，同时又利用空腔 9 内的导热透明液体进行液冷散热方式进行散热，散热效率高，延长了 LED 路灯的使用寿命。Embodiment 1 of the present invention provides an energy-efficient LED street light bulb. When working, the light-emitting device 8 emits heat, and 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 . In this way, 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.

本发明实施例一提供的 一种高效节能 LED 路灯灯泡中，灯头 1 的外表面设置有与外部灯座相配连接的外螺纹 1' ，这样的外螺纹是与路灯行业中灯座的内螺纹相配合的标准螺纹，这样标准灯泡灯头（ E40 或 E27 ）的设计，不用更换整个路灯的灯头，只要更换本发明实施例一提供的 LED 路灯 灯泡就可以了，简单、方便，节约成本。In an energy-efficient LED street lamp bulb provided by the first embodiment of the present invention, 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.

灯体 2 与灯头 1 的连接方式有多种，例如：灯头 1 的内表面具有与灯体 2 连接的内螺纹。如图 3 所示，首先，通过一连接柱 11 ，连接柱 11 的外表面设置有与灯头 1 内的内螺纹相匹配的外螺纹，这样的螺纹连接方式紧密、简单、方便。当然，也可以是其它方式连接，例如插接等。然后，通过一连接件 12 ，连接到第一密封装置 5 上，该连接件 12 的壳体上设置有多个孔，这样是为了，更好的散热，当然，连接件 12 也可以是多个连接片，多个连接片的一端均与连接柱 11 连接，另一端均与第一密封装置 5 连接。该连接柱 11 、连接件 12 和第一密封装置 5 在生产的时候，可以是分开做，后组装装到一起的，但是最好是做成如图 3 所示一体的，这样连接构建该 LED 路灯时，组装简单、方便。当然，第二密封装置 6 的外边缘上也可以设置个散热罩 13 ，这样美观。The lamp body 2 is connected to the lamp cap 1 in various ways. For example, the inner surface of the lamp cap 1 has an internal thread connected to the lamp body 2 . As shown in Fig. 3, firstly, through a connecting post 11 , 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. Of course, it is also possible to connect in other ways, such as plugging. Then, through a connecting member 12 , 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. Of course, 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.

另外，发光装置 8 与电源 7 的连接方式也有多种，例如：可以利用两个金属连接件，分别密封插入所述密封空腔 9 内，一端位于空腔 9 的外部用于与电源 7 连接，另一端密封插入空腔 9 内，用于与所述发光装置 8 连接。在这个过程中，只要保证，嵌入空腔 9 内的两个金属连接件，一定要密封插入，不能有任何的间隙，这样，可以保证空腔 9 内的密闭性。In addition, the light-emitting device 8 is connected to the power source 7 in various manners. For example, 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.

导热透明液体在图 1 中省略未体现。 The thermally conductive transparent liquid is omitted in Figure 1.

作为一种优选方案，如图 4 所示，本发明实施例二提供的 高效节能 LED 路灯灯泡中发光装置 8 包括：As a preferred solution, as shown in FIG. 4, the light-emitting device 8 of the energy-efficient LED street light bulb provided by the second embodiment of the present invention includes:

印刷线路基板 14 ，环设在散热筒 4 的外表面，与电源 7 连接；The printed circuit board 14 is disposed on the outer surface of the heat sink 4 and connected to the power source 7;

多个 LED 灯，均匀地设置在印刷线路基板 14 朝向透光外壳 3 的表面上，与印刷线路基板 14 连接。这样的设计，保证了 360 度的照明，照明效果好。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.

图 4 中，印刷线路基板 14 朝向透光外壳 3 的表面上均匀设置的多个 LED 灯非常小，图中省略未画出。In Fig. 4, 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.

作为一种优选方案， As a preferred solution,

第一密封装置 5 包括：第一密封环 15 ，其圆周外表面插接在透光外壳 3 的靠近灯头 1 的一端端口的圆周内表面上，圆周内表面套在散热筒 4 的靠近灯头 1 的一端端口的圆周外表面上；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 . On the outer circumferential surface of one end of the port;

第二密封装置 6 包括：第二密封环 16 ，其圆周外表面插接在透光外壳 3 的远离灯头 1 的一端端口的圆周内表面上，圆周内表面套在散热筒 4 的远离灯头 1 的一端端口的圆周外表面上。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.

作为一种优选方案，如图 5 所示，第一密封装置 5 还包括：As a preferred solution, as shown in FIG. 5, the first sealing device 5 further includes:

第一环形密封圈 17 ，包括：用于与散热筒 4 的靠近灯头 1 的端口边缘相配合的第一环形凹槽 18 ，沿第一环形密封圈 17 的端面圆周方向设置；第一环形密封圈 17 的第一环形凹槽 18 套入散热筒 4 的靠近灯头 1 的端口内，外表面插入第一密封环 15 的内表面内；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 ;

这样的设计第一环形密封圈 17 ，保证空腔 9 的密封效果更好。Such a design of the first annular sealing ring 17 ensures a better sealing effect of the cavity 9 .

第二密封装置 6 还包括：The second sealing device 6 further includes:

第二环形密封圈 19 ，包括：用于与散热筒 4 的远离灯头 1 的端口边缘相配合的第二环形凹槽，沿第二环形密封圈 19 的端面圆周方向设置；第二环形密封圈 19 的第二环形凹槽套入散热筒 4 的远离灯头 1 的端口内，外表面插入第二密封环 16 的内表面内。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 .

这样第一环形密封圈 17 和第二环形密封圈 19 的设计，使得散热筒 4 与第一密封环 15 和第二密封环 16 紧密配合，进一步全面地保证空腔 9 的密封性。第二环形密封圈 19 的结构示意图与第一环形密封圈 17 的结构图一样省略未画，请参见图 5 ，当然也可以是其它类型的密封圈。Thus, the design of the 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.

圈 19 的第二环形凹槽套入散热筒 4 的远离灯头 1 的端口内，外表面插入第二密封环 16 的内表面内。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 .

这样第一环形密封圈 17 和第二环形密封圈 19 的设计，使得散热筒 4 与第一密封环 15 和第二密封环 16 紧密配合，进一步全面地保证空腔 9 的密封性。第二环形密封圈 19 的结构示意图与第一环形密封圈 17 的结构图一样省略未画，请参见图 5 ，当然也可以是其它类型的密封圈。Thus, the design of the 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.

作为一种优选方案，如图 6 所示，还包括：多个散热片 21 ，均沿长度方向轴向设置在散热筒 4 的内表面上，与散热筒 4 的内表面连接。 这样多个散热片 21 之间形成了导热的通道，更加的利于散热，进一步地提高了散热效率。As a preferred solution, as shown in FIG. 6, 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 . Thus, 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.

作为一种优选方案， As a preferred solution,

第一环形密封圈 17 具体为硅胶制第一环形密封圈，第二环形密封圈 19 具体为硅胶制第二环形密封圈；硅胶制第一环形密封圈和硅胶制第二环形密封圈具有很好的密封性能、耐高低温，能够适应高温和低温温差环境对散热筒 4 引起的尺寸变化，且耐老化性能好、使用寿命长。当然，也可以是其它类型的密封圈，只要是保证环境温度变化时，密封性能好即可，例如：橡胶制密封圈。The first annular sealing ring 17 is specifically a first annular sealing ring made of silica gel, and 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. Of course, 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.

散热筒 4 具体为铝制散热筒 25 ，多个散热片 21 具体为铝制散热片 27 ；铝制的散热效果好，当然，也可是其它材料制成的散热片。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.

印刷线路基板 14 具体为铝基板 26 ；铝基板 26 的散热效果是最好的，当然也可以是其它类型的印刷线路基板，例如：铜基板等。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.

导热透明液体具体为导热硅油。导热硅油的透明度和导热效果是最好的。当然，导热透明液体也可以具体为其它的导热液体，只要能保证具有良好的导热性能，能够均匀地对 LED 路灯散热即可，例如：液体石蜡油等。 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. Of course, 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.

作为一种优选方案，第一散热装置 10 具体为：As a preferred solution, the first heat dissipation device 10 is specifically:

第一轴流风扇 22 ，轴向设置在铝制散热筒 25 的靠近灯头 1 的一端内，其吹风方向朝向多个铝制散热热片 27 的方向，与电源 7 连接。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 .

作为一种优选方案，第一密封环 15 的外表面与透光外壳 3 的靠近灯头 1 的一端内表面采用激光焊接密封；采用激光焊接方式密封，使得空腔 9 的密闭性更好，当然也可以采用其它方式进行密封。As a preferred solution, 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.

第二密封环 16 的外表面与透光外壳 3 的远离灯头 1 的一端内表面采用激光焊接密封，采用激光焊接方式密封，使得空腔 9 的密闭性更好，当然也可以采用其它方式进行密封。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. .

作为一种优选方案，还包括： As a preferred solution, the method further includes:

第二散热装置，设置在散热筒 4 的远离灯头 1 的一端内，与电源 7 连接。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.

作为一种优选方案， As a preferred solution,

第二散热装置具体为第二轴流风扇 24 ，轴向设置在散热筒 4 的远离灯头 1 的一端内，与电源 7 连接；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 ;

这样在灯体 2 的两端各安装一个轴流风扇，这样对整个灯体的散热均匀，提高了散热效率，延长的 LED 路灯的使用寿命。In this way, 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.

第一轴流风扇 22 和第二轴流风扇 24 的吹风方向均朝向背向灯头 1 的方向。The 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 .

本发明实施例二提供的 LED 路灯灯泡，工作时，灯头 1 向下插入外部灯座时，电源 7 给铝基板 26 ，供电，从而多个 LED 灯发光，多个 LED 灯发光产生热量，由于空腔 9 内靠近灯头 1 的一端导热硅油更加的热，该端内的硅油密度就变小，向远离灯头 1 的方向浮动，位于远离灯头 1 的一端内的导热硅油密度相对较大，向靠近灯头 1 的方向移动。这样，就保证了整个灯体 2 的各个部分散热均匀性。导热硅油将吸收的热量一部分传递给透光外壳 3 散热出去，导热硅油将热量另一部分传递给铝制散热筒 25 ，然后，通过第一轴流风扇 22 向铝制散热筒 25 内吹风，通过多个铝制散热片 27 构成的导热通道，吹向第二轴流风扇 24 的方向，第二轴流风扇 24 的将热量吹出灯体外。综上所述，首先，利用透明的导热硅油的液冷方式散热；其次，第一轴流风扇 22 吹向多个铝制散热片 27 形成的导热通道的风冷散热；再加上，第二轴流风扇 24 的再次散热、铝基板 26 和铝制散热筒 25 的散热。 这样整个 高效节能 LED 路灯灯泡的全部部件都参与散热，大大地提高了散热效率，延长了本发明提供的高效节能 LED 路灯灯泡的使用寿命。In the LED street light bulb provided by the second embodiment of the present invention, when the lamp head 1 is inserted downward into the external lamp holder, 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. In summary, first, 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.

以上仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。 The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are within the spirit and scope of the present invention, should be included in the scope of the present invention. within.

工业实用性Industrial applicability

序列表自由内容Sequence table free content

Claims (1)

1 、 一种高效节能 LED 路灯灯泡，其特征在于，包括：1 . An energy efficient LED street light bulb, comprising: 灯头，其外表面设置有与外部灯座连接的外螺纹；a lamp cap, the outer surface of which is provided with an external thread connected to the outer lamp holder; 灯体，与所述灯头连接，包括：透光外壳；散热筒，轴向设置在所述透光外壳内；第一密封装置，用于将所述透光外壳的靠近所述灯头的一端和所述散热筒的靠近所述灯头的一端密封连接；第二密封装置，用于将所述透光外壳的远离所述灯头的一端和所述散热筒的远离所述灯头的一端密封连接；a lamp body, connected to the lamp cap, comprising: a light transmissive outer casing; a heat dissipating tube disposed axially in the light transmissive outer casing; and a first sealing device for guiding one end of the light transmissive outer casing adjacent to the lamp cap a second sealing device is configured to sealingly connect one end of the light-transmitting housing away from the lamp cap and one end of the heat-dissipating tube away from the lamp cap; 电源，设置在所述灯头内，与所述灯头连接；a power source disposed in the lamp cap and connected to the lamp cap; 发光装置，环设在所述散热筒的外表面，与所述电源连接；a light emitting device is disposed on an outer surface of the heat sink and connected to the power source; 导热透明液体，设置在所述散热筒的外表面、所述透明壳体的内表面、所述第一密封装置和所述第二密封装置构成的密封空腔内；a 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; 第一散热装置，设置在所述散热筒的靠近所述灯头的一端内，与所述电源连接。The first heat sink is disposed in an end of the heat sink adjacent to the lamp cap and is connected to the power source. 2 、如权利要求 1 所述的 路灯灯泡，其特征在于，2. The street light bulb of claim 1 wherein: 所述发光装置包括：The light emitting device includes: 印刷线路基板，环设在所述散热筒的外表面，与所述电源连接；a printed circuit board disposed on an outer surface of the heat sink and connected to the power source; 多个 LED 灯，均匀地设置在所述印刷线路基板朝向所述透光外壳的表面上，与所述印刷线路基板连接。A plurality of LED lamps are uniformly disposed on a surface of the printed wiring substrate facing the light transmissive casing, and are connected to the printed wiring substrate. 3 、如权利要求 2 所述的 路灯灯泡，其特征在于，3. The street light bulb of claim 2, wherein 所述第一密封装置包括：第一密封环，其圆周外表面插接在所述透光外壳的靠近所述灯头的一端端口的圆周内表面上，圆周内表面套在所述散热筒的靠近所述灯头的一端端口的圆周外表面上；The first sealing device includes: 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 near the heat dissipating cylinder a circumferential outer surface of the one end port of the lamp cap; 所述第二密封装置包括：第二密封环，其圆周外表面插接在所述透光外壳的远离所述灯头的一端端口的圆周内表面上，圆周内表面套在所述散热筒的远离所述灯头的一端端口的圆周外表面上。The second sealing device includes: a second sealing ring whose circumferential outer surface is inserted on a 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 away from the heat dissipating cylinder The circumferential outer surface of the one end port of the lamp cap. 4、 如权利要求 3 所述的 路灯灯泡，其特征在于，4. The street light bulb of claim 3, wherein 所述第一密封装置还包括：The first sealing device further includes: 第一环形密封圈，包括：第一环形凹槽，用于与所述散热筒的靠近所述灯头的端口边缘相配合，沿所述第一环形密封圈的端面圆周方向设置；所述第一环形密封圈的第一环形凹槽套入所述散热筒的靠近所述灯头的端口内，外表面插入所述第一密封环的内表面内；a first annular sealing ring, comprising: a first annular groove for cooperating with a port edge of the heat sink adjacent to the lamp cap, disposed along a circumferential direction of an end surface of the first annular sealing ring; a first annular groove of the annular sealing ring is sleeved into the port of the heat sink adjacent to the lamp cap, and an outer surface is inserted into the inner surface of the first sealing ring; 所述第二密封装置还包括：The second sealing device further includes: 第二环形密封圈，包括：第二环形凹槽，用于与所述散热筒的远离所述灯头的端口边缘相配合，沿所述第二环形密封圈的端面圆周方向设置；所述第二环形密封圈的第二环形凹槽套入所述散热筒的远离所述灯头的端口内，外表面插入所述第二密封环的内表面内。a second annular sealing ring, comprising: a second annular groove for cooperating with a port edge of the heat dissipation tube away from the lamp cap, disposed along a circumferential direction of an end surface of the second annular sealing ring; A second annular groove of the annular seal fits into a port of the heat sink that is remote from the base, and an outer surface is inserted into an inner surface of the second seal ring. 5 、如权利要求 4 所述的 路灯灯泡，其特征在于，还包括：多个散热片，均沿长度方向轴向设置在所述散热筒的内表面上，与所述散热筒的内表面连接。5. The method of claim 4 The street light bulb is characterized in that: a plurality of fins are disposed axially on the inner surface of the heat sink in the longitudinal direction and connected to the inner surface of the heat sink. 6 、如权利要求 5 所述的 路灯灯泡，其特征在于，6. The street light bulb of claim 5, wherein 所述第一环形密封圈具体为硅胶制第一环形密封圈，所述第二环形密封圈具体为硅胶制第二环形密封圈；The first annular sealing ring is specifically a first annular sealing ring made of silica gel, and the second annular sealing ring is specifically a second annular sealing ring made of silica gel; 所述散热筒具体为铝制散热筒，所述多个散热片具体为铝制散热片；The heat sink is specifically an aluminum heat sink, and the plurality of heat sinks are specifically aluminum heat sinks; 所述印刷线路基板具体为铝基板；The printed circuit substrate is specifically an aluminum substrate; 所述导热透明液体具体为导热硅油。The thermally conductive transparent liquid is specifically a thermally conductive silicone oil. 7、 如权利要求 6 所述的 路灯灯泡，其特征在于，7. The street light bulb of claim 6 wherein: 所述第一散热装置具体为：The first heat sink is specifically: 第一轴流风扇，轴向设置在所述散热筒的靠近所述灯头的一端内，其吹风方向朝向所述多个散热片的方向，与所述电源连接。The first axial fan is axially disposed in an end of the heat sink adjacent to the lamp cap, and has a blowing direction toward the plurality of fins, and is connected to the power source. 8 、如权利要求 7 所述的 路灯灯泡，其特征在于，8. The street light bulb of claim 7 wherein: 所述第一密封环的外表面与所述透光外壳的靠近所述灯头的一端内表面采用激光焊接密封；The outer surface of the first sealing ring and the inner surface of one end of the light-transmitting outer casing adjacent to the lamp cap are sealed by laser welding; 所述第二密封环的外表面与所述透光外壳的远离所述灯头的一端内表面采用激光焊接密封。The outer surface of the second sealing ring and the inner surface of one end of the light transmissive casing remote from the lamp cap are sealed by laser welding. 9 、如权利要求 8 所述的 路灯灯泡，其特征在于，还包括：9. The street light bulb of claim 8 further comprising: 第二散热装置，设置在所述散热筒的远离所述灯头的一端内，与所述电源连接。The second heat dissipating device is disposed in an end of the heat dissipating tube away from the lamp cap, and is connected to the power source. 10、 如权利要求 9 所述的 路灯灯泡，其特征在于，10. The street light bulb of claim 9 wherein: 所述第二散热装置具体为第二轴流风扇，轴向设置在所述散热筒的远离所述灯头的一端内，与所述电源连接；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; 所述第一轴流风扇和所述第二轴流风扇的吹风方向均朝向背向所述灯头的方向。The blowing directions of the first axial fan and the second axial fan are all directed away from the lamp head.
PCT/CN2013/073655 2013-03-08 2013-04-02 Lamp bulb of high-efficiency energy-saving led street lamp Ceased WO2014134850A1 (en)

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