WO2011113222A1 - 一种led路灯 - Google Patents

一种led路灯 Download PDF

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Publication number
WO2011113222A1
WO2011113222A1 PCT/CN2010/071887 CN2010071887W WO2011113222A1 WO 2011113222 A1 WO2011113222 A1 WO 2011113222A1 CN 2010071887 W CN2010071887 W CN 2010071887W WO 2011113222 A1 WO2011113222 A1 WO 2011113222A1
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WO
WIPO (PCT)
Prior art keywords
heat
street lamp
led street
led
piston
Prior art date
Application number
PCT/CN2010/071887
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English (en)
French (fr)
Inventor
李克勤
Original Assignee
中山伟强科技有限公司
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Publication date
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Publication of WO2011113222A1 publication Critical patent/WO2011113222A1/zh

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    • 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
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
    • 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
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/65—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the invention relates to a lighting lamp, in particular to an LED street lamp which can replace the existing conventional street lamp.
  • the street lamps on the market are mostly traditional mercury bulbs, which are assembled on the lamp holders for work. It is well known that the traditional mercury bulbs have a short service life, generally only 3000. Hours, extremely vulnerable, frequent replacement, and large power consumption, has gradually failed to meet the green requirements of energy conservation and emission reduction advocated by the society. At present, the development of LED points out a reasonable development path for traditional street lighting. LED street lights have replaced traditional street lighting. However, traditional street lamps have been developed for a long time and have been standardized and standardized. For example, lamp holders for street lamps are currently used.
  • LED street light can directly access the current ordinary lamp holder, however, the current LED Street lights do not have the specific type of connectors of traditional light bulbs (such as E40 metal joints), so no direct replacement of traditional mercury bulbs can be achieved; and existing LEDs Street lights, multiple small structures to reduce the overall weight and volume of the lamp, so that the internal structure space is relatively narrow, in a narrow space, the heat dissipation capacity will be lost, so how to make LED Street lamps have a better heat dissipation effect and have always been the focus of research.
  • traditional light bulbs such as E40 metal joints
  • One of the objects of the present invention is to provide a light-emitting diode bulb having a standardized metal joint, which can be directly placed on a conventional lamp holder;
  • Another object of the present invention is to provide an LED street lamp with good heat dissipation effect
  • Another object of the present invention is to provide an angle adjusting ring for connecting an LED street lamp with a limited projection angle to enable the LED
  • the street light can be fixed at any angle.
  • An LED street light comprising:
  • a standardized metal joint an LED module electrically connected to the metal joint, having a circuit board, at least one light emitting diode electrically connecting the circuit board; and a heat sink; wherein the heat sink comprises at least one heat pipe with connected flatness And a non-flat section, wherein the light-emitting diode is disposed on a front surface of the flat section; a heat-dissipating rear cover is connected to the non-flat section of the heat pipe; and a piston transmission device between the heat pipe and the heat-dissipating rear cover passes The LED street lamp moves while generating heat; a heat exhaust fan located outside the LED street lamp is connected to the piston transmission device.
  • the piston transmission device comprises a piston cylinder disposed on the back surface of the circuit board; a piston disposed in the piston cylinder; and a piston rod connected to the piston
  • the exhaust fan is connected to the piston rod drive.
  • the circuit board is provided with a through hole
  • the piston transmission device further includes a convection fan at the through hole, and is drivingly connected to the piston rod.
  • the rear portion of the LED module is provided with an angle adjusting ring connected to the standardized metal joint, and the thread on the angle adjusting ring is provided with a locking pin with an acting portion facing the inner LED module, when The LED street light is fixed as the angle adjustment ring is rotated to the appropriate angle.
  • An angle adjusting ring is provided with a locking bolt on a ring body thereof, the elastic pin rotating the head outward, and the pressing tail is facing inward.
  • the invention has the beneficial effects that the present invention provides an LED street lamp with a standardized metal joint, the metal joint is of a type such as E40, E27 And other similar rotary joints, which can be directly matched with traditional lamp holders like ordinary street lamps, can be replaced after the traditional bulbs, such as mercury lamps, are removed, so that the currently widely used lamp holders do not require additional cost modification. Save a lot of money and labor costs, and adopt LED Street lamps not only greatly extend the service life, but also more in line with the current green requirements for energy saving and emission reduction; the heat dissipating device used in the present invention combines a heat pipe, a heat dissipating rear cover, and a piston transmission device that provides heat by working heat generation.
  • the exhaust fan and the convection fan are cleverly structured and do not consume extra energy.
  • the LED street lamp has excellent heat dissipation effect in the small space, which ensures the long-term working ability and service life of the street lamp.
  • the other angle adjustment device can make the LED with limited projection angle.
  • the street light can adjust the angle according to the desired illumination direction to get the best illumination effect.
  • Figure 1 is a schematic structural view of the present invention
  • Figure 2 is a schematic view of the internal structure of the present invention.
  • Figure 3 is a schematic view showing the internal structure of the rear side of the first embodiment of the present invention.
  • FIG. 4 is a schematic view showing the internal structure of the rear side of the second embodiment of the present invention.
  • an LED street lamp provided by the present invention includes:
  • An LED module 2 is electrically connected to the metal connector 1 and further to the metal connector 1
  • the power module works when the street lamp holder is connected.
  • the LED module 2 has a circuit board 201 for setting various electronic components, and at least one LED 202 is electrically connected to the circuit board 201. To be able to work properly;
  • a heat dissipating device 3 for dissipating heat while the LED module 2 is in operation
  • the heat dissipating device 3 comprises: at least one heat pipe 301 for obtaining a better heat exchange effect, the heat pipe
  • the 301 has a connected flat section and a non-flat section, wherein the light-emitting diode 202 is disposed on the front surface of the flat section, so that the structure is reasonable, and the heat generated by the operation of the LED 202 passes through the heat pipe 301.
  • the flat section is passed to the non-flat section;
  • the heat sink fin or the aluminum metal heat sink is capable of contacting a large area of the air, and the heat transfer efficiency is also fast, and is connected with the non-flat section of the heat pipe 301, so that the heat pipe 301 is transferred.
  • the heat of the non-flat section is transferred to the heat-dissipating rear cover 302, and is radiated through the sheet-like structure of the heat-dissipating rear cover 302;
  • the heat generated by the work of the street lamp causes the piston structure to move, thereby becoming a tiny power source
  • a heat exhaust fan 303 located outside the LED street lamp, is connected to the piston transmission device, and is powered by the piston transmission device to The hot air inside the LED street light is discharged.
  • the circuit board 201 is located in the heat pipe 301.
  • the rear side of the flat section, and the piston transmission includes a piston cylinder 304 disposed on the back of the circuit board 201, a piston 305 disposed in the piston cylinder 304, and a piston rod connecting the piston 305.
  • the heat exhaust fan 303 is drivingly coupled to the piston rod 305 to form a complete power linkage mechanism, located on the back of the circuit board 201 and the heat dissipation back cover 302. Between the spaces.
  • the standardized metal joint 1 used in the present invention makes the LED Street lights can be directly installed with traditional lamp holders, which can be replaced by traditional light bulbs, such as mercury lamps. Therefore, the widely used street lamp holders do not require additional cost modification, saving a lot of money and Labor cost and adoption LED street lights not only greatly extend the service life, but also more in line with the current green requirements for energy conservation and emission reduction.
  • the circuit board 201 is preferably provided with a through hole 2011 so as to be located on the circuit board 201.
  • the hotter air generated by the front LED 202 can be transferred to the board through the through hole 2011 201
  • the space on the back side, and in order to accelerate the flow of the portion of the air, the piston transmission further includes a convection fan 307 at the through hole 2011, and is coupled to the piston rod 306, the convection fan 307 The rotation can accelerate the flow of air at the front and back sides of the board 201.
  • the piston transmission device is operated by hot air, wherein the rear side of the piston cylinder 304 is provided with a heat transfer portion.
  • 3040 for example, a power transistor or other heat dissipating component, has sensitive thermal conductivity, can efficiently transfer heat into the piston cylinder 304, and the piston cylinder 304 is internally provided by the piston 305.
  • the heat chamber 3041 is connected to the heat conducting portion 3040, and the heat generated when the LED street lamp operates is conducted by the heat conducting portion 3040. Absorbed, transferred to the heat chamber 3041, due to the principle of thermal expansion and contraction, the heat chamber 3041 is thermally expanded, pushing the piston 305 forward to squeeze the cold chamber 3042 to the forward piston rod 306.
  • the piston cylinder 304 is disposed longitudinally toward the front of the LED street lamp, and the front portion of the piston rod 306 passes through a link 308.
  • the first bevel gear 3091 is connected in a driving manner, and the first bevel gear 3091 is coupled with the longitudinally disposed second bevel gear 3092 to move the piston rod 306.
  • the forward movement is transmitted to the second bevel gear 3092 through the first bevel gear 3091, and the longitudinal direction of the front and rear of the second bevel gear 3092 is changed to be the rotation of the central axis;
  • the exhaust fan 303 has a heat-dissipating fan shaft 3061 on the rear side, and a heat-dissipating fan shaft 3061 extends into the LED.
  • the inside of the street lamp is connected to the second bevel gear 3092, and the rotation of the second bevel gear 3092 is transmitted as the rotation of the heat exhaust fan 303; and when the heat exhaust fan 303 is rotated, the LED is turned
  • the cold air outside the street lamp is blown into the interior of the LED street lamp, the cold air contacts the heat conducting portion 3040, the temperature is transferred to the heat chamber 3041, the heat chamber 3041 is cooled and compressed, and the piston 305 is thus turned to the rear heat chamber.
  • the 3041 movement is transmitted to the piston rod 306, which is sequentially transmitted through the connecting rod 308 to the first bevel gear 3091 and the second bevel gear 3092. This cycle is a cycle of power that does not require additional energy sources.
  • the convection fan 307 in the third embodiment is provided with a convection fan shaft 3061 and the second bevel gear 3092. Connect to get the turning power.
  • the heat exhaust fan 303 It is a spiral leaf shape, similar to the fan blade, and it has a good ventilation and heat removal effect.
  • the above heat dissipation structure of the invention is very clever and does not consume extra energy, and can be used in LED
  • the small space structure of the street lamp has excellent heat dissipation effect, which effectively ensures the long-term working ability and service life of the street lamp.
  • the invention also provides a structure for adjusting the illumination angle by using the structure, which is an angle adjustment ring of the rear sleeve of the LED module 2
  • the insulating ring 5 connected to the metal joint 1 at the tail of the LED module 2 is connected to the standardized metal joint 1 , and the thread on the angle adjusting ring 4 is provided with an active portion toward the inner LED module.
  • the pin 11 of the 2 is fixed when the LED street lamp is rotated to the appropriate angle along the angle adjusting ring 4, so that the LED having only the limited projection angle can be made.
  • the street light can adjust the angle according to the desired illumination direction to get the best illumination effect.
  • An angle adjusting ring 4 as shown in FIG. 1 is provided with a locking nail 41 on a ring body thereof, and the elastic nail 41
  • the rotating head is facing outward, and the top pressing tail is facing inward, and the locking pin can be rotated by rotating the head 41
  • the top pressing tail is located in the direction of the ring body to obtain different inner diameter sizes, and can smoothly fix the object pressed inside; and is used in conjunction with the LED street lamp of the present invention, thereby obtaining a structure capable of adjusting the irradiation angle.

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

Description

一种LED路灯
技术领域
本发明涉及一种照明灯，尤其是一种可取代现有的传统路灯的 LED 路灯。
背景技术
目前市面上的路灯多为传统的水银灯泡，装配在路灯灯座上以进行工作，众所周知，传统的水银灯泡使用寿命较短，一般只有 3000 小时，极易损坏，更换频繁，而且耗电量大，已渐渐无法满足目前社会提倡的节能减排的绿色要求。目前 LED 的发展给传统的路灯照明指出了一条合理的发展道路，既采用 LED 路灯来代替传统的路灯照明灯具，然而，传统的路灯已发展了较长时间，目前业已标准化、规格化了，例如安装路灯的灯座，目前普遍采用的型号为 E40 金属接头座，如果要采用 LED 路灯来代替传统水银灯，最合理的方案即为 LED 路灯能够直接接入目前的普通灯座内工作，然而，目前的 LED 路灯并不具有传统灯泡的特定型号接头（如 E40 金属接头），所以均无法实现传统水银灯泡的直接替换；而且，现有的 LED 路灯，多位体积较小的结构以减轻灯整体重量及体积，使得内部结构空间较为狭窄，在狭窄的空间内，散热能力会随之有所损失，因此如何使 LED 路灯具有更为良好的散热效果，也一直是人们研究的重点。
发明内容
本发明的目的之一，在于提供一种具有标准化金属接头的发光二极管灯泡，可以直接安置于传统路灯座上；
本发明的另一目的在于提供一种具有良好散热效果的 LED 路灯；
本发明的另一目的在于提供一种角度调整环，以连接有局限投射角度的 LED 路灯，以使 LED 路灯能够在任意角度固定。
本发明为解决其技术问题所采用的技术方案是：
一种 LED 路灯，包括：
一标准化金属接头；一电气连接金属接头的发光二极管模组，具有一电路板，至少一发光二极管电气连接该电路板；以及一散热装置；其中所述散热装置包括至少一热管，具有相连的平整段及非平整段，其中所述平整段的正面安置所述发光二极管；一散热后罩，与所述热管的非平整段连接；以及一位于热管与散热后罩之间的活塞传动装置，通过 LED 路灯工作时产生的热量而运动；一位于 LED 路灯前方外部的排热扇，与所述活塞传动装置传动连接。
作为上述方案的进一步改进，其中所述电路板位于热管的平整段背面；所述活塞传动装置包括一设置于电路板背面的活塞缸；一设置于活塞缸内的活塞；一连接活塞的活塞杆；其中排热扇与活塞杆传动连接。
作为上述方案的进一步改进，其中所述电路板上设有通孔，所述活塞传动装置还包括一位于通孔处的对流扇，与所述活塞杆传动连接。
作为上述方案的进一步改进，所述发光二极管模组后部套设有一角度调整环与所述标准化金属接头连接，该角度调整环上螺纹设有作用部朝内侧发光二极管模组的松紧钉，以当 LED 路灯沿角度调整环旋转至适当角度时予以固定。
一种角度调整环，在其环体上螺纹设置有松紧钉，所述松紧钉旋动头部朝外，而顶压尾部朝内。
本发明的有益效果是：本发明提供了一种具有标准化金属接头的 LED 路灯，金属接头为型号如 E40 、 E27 以及其他类似的旋转接头，可如普通路灯一样直接与传统灯座配对安装，可在传统灯泡，如水银灯损耗时被拔除之后取而代之，因此使得目前广泛使用的路灯座不需要花费额外的成本改装，节省了大量的资金与劳动成本，并且采用 LED 路灯，不但使用寿命大大延长，而且更为符合目前社会节能减排的绿色要求；本发明所采用的散热装置，结合了热管、散热后罩以及通过工作发热量提供动力进行排热的活塞传动装置、排热扇及对流扇，结构巧妙，不消耗额外能源，可在 LED 路灯较小的结构空间内得到有优异的散热效果，有效保证了路灯的长时间工作能力及使用寿命；另外的角度调整装置，可使得只具有局限投射角度的 LED 路灯能够根据所需的照射方位调整角度，得到最好的照射效果。
附图说明
下面结合附图和具体实施例对本发明作进一步说明：
图 1 为本发明的结构示意图；
图 2 为本发明的内部结构示意图；
图 3 为本发明第一种实施例后侧的内部结构示意图；
图 4 为本发明第二种实施例后侧的内部结构示意图。
具体实施方式
如图 1~ 图 4 所示，本发明所提供的一种 LED 路灯，包括：
一标准化金属接头 1 ，为与路灯灯座相配合的通用型号，例如 E40 接头、 E27 接头等旋转接头，外部设有螺纹，可以旋入路灯灯座中固定；
一发光二极管模组 2 ，与金属接头 1 电气连接，进而在金属接头 1 接入路灯灯座时获得电能工作，该发光二极管模组 2 具有一电路板 201 ，用于设置各种电子元器件，至少一发光二极管 202 电气连接该电路板 201 ，从而能够正常工作；
以及一散热装置 3 ，在发光二极管模组 2 工作时进行散热；
其中，如图 3 所示的实施例一，散热装置 3 包括：至少一热管 301 ，以获得较佳的热交换效果，该热管 301 具有相连的平整段及非平整段，其中的平整段的正面安置所述发光二极管 202 ，使得结构合理，在发光二极管 202 工作产生的热量通过热管 301 的平整段向非平整段传递；
一散热后罩 302 ，优选为散热鳍片或者铝金属散热片，能够与空气较大面积的接触，热传递效率也较快，与所述热管 301 的非平整段连接，使得传递热管 301 非平整段的热量再传递到散热后罩 302 上，通过散热后罩 302 的片状结构散发出去；以及
一位于热管 301 与散热后罩 302 之间的活塞传动装置，通过 LED 路灯工作时产生的热量，而使得活塞结构运动，从而成为一个微小的动力源；
一位于 LED 路灯前方外部的排热扇 303 ，与所述活塞传动装置传动连接，通过活塞传动装置得到动力，以将 LED 路灯内部的热空气排出。
而且作为优选的实施方式，其中的电路板 201 位于热管 301 的平整段背面，且所述活塞传动装置包括一设置于电路板 201 背面的活塞缸 304 、一设置于活塞缸 304 内的活塞 305 、一连接活塞 305 的活塞杆 306 ，其中所述排热扇 303 与所述活塞杆 305 传动连接，成为一个完整的动力连动机构，位于电路板 201 背面与散热后罩 302 之间的空间内。
本发明所采用的标准化金属接头 1 ，使得 LED 路灯可如普通路灯一样直接与传统灯座配对安装，可在传统灯泡，如水银灯损耗时被拔除之后取而代之，因此使得目前广泛使用的路灯座不需要花费额外的成本改装，节省了大量的资金与劳动成本，并且采用 LED 路灯，不但使用寿命大大延长，而且更为符合目前社会节能减排的绿色要求。
此外请参照图 4 的第二种实施例，所述电路板 201 上优选设有通孔 2011 ，使得位于电路板 201 正面的发光二极管 202 工作所产生的较热空气可以通过通孔 2011 传递到电路板 201 背面的空间，而为了加速这部分空气的流动，所述活塞传动装置还包括一位于通孔 2011 处的对流扇 307 ，与所述活塞杆 306 传动连接，对流扇 307 的转动便可以加速电路板 201 正、背面两侧处的空气流动。
在上述的实施例二及实施例三的结构中，活塞传动装置是通过热空气工作的，其中活塞缸 304 后侧设有导热部 3040 ，例如为功率晶体管或其他散热不易组件，具有灵敏的热传导性，能够将热量高效地传递到活塞缸 304 内，且活塞缸 304 内部由活塞 305 分隔为后部热室 3041 及前部冷室 3042 ，使热室 3041 与导热部 3040 相连， LED 路灯工作时产生的热量被导热部 3040 吸收，传递到热室 3041 ，因热胀冷缩的原理，热室 3041 受热膨胀，推动活塞 305 向前运动挤压冷室 3042 ，以向前活塞杆 306 。
而且，活塞缸 304 为朝向 LED 路灯前方的纵向设置，所述活塞杆 306 前部通过一连杆 308 与横向设置的第一锥齿轮 3091 传动连接，第一锥齿轮 3091 与纵向设置的第二锥齿轮 3092 相契合传动，可以把活塞杆 306 向前方的运动，经过第一锥齿轮 3091 传递到第二锥齿轮 3092 ，改变第二锥齿轮 3092 以前、后方的纵向为中轴的转动；
其中的排热扇 303 后侧设有排热扇转轴 3061 ，排热扇转轴 3061 伸入 LED 路灯内部与所述第二锥齿轮 3092 相连接，第二锥齿轮 3092 的转动便传递为排热扇 303 的转动；而排热扇 303 转动时，会将 LED 路灯外部的冷空气吹进 LED 路灯内部，冷空气接触导热部 3040 ，温度传递给热室 3041 ，使热室 3041 冷却而压缩，活塞 305 因而向后方热室 3041 运动，传递到活塞杆 306 ，依次通过连杆 308 传动到第一锥齿轮 3091 、第二锥齿轮 3092 ；如此周而复始，成为一个不需额外能量源的动力循环。
在基于上述结构下，第三种实施例中的对流扇 307 设有对流扇转轴 3061 与所述第二锥齿轮 3092 相连接，以获取转动动力。
此外，作为本发明的优选实施方式，所述排热扇 303 为螺旋叶状，与风扇的扇叶类似，得以较好的换气排热效果。
本发明上述的散热结构十分巧妙，不消耗额外能源，可在 LED 路灯较小的结构空间内得到优异的散热效果，有效保证了路灯的长时间工作能力及使用寿命。
本发明还藉此结构提供了一种可调整照射角度的结构，为发光二极管模组 2 后部套的一角度调整环 4 ，可位于发光二极管模组 2 尾部与金属接头 1 相接的绝缘环 5 处，与所述标准化金属接头 1 连接，该角度调整环 4 上螺纹设有作用部朝内侧发光二极管模组 2 的松紧钉 41 ，以当 LED 路灯沿角度调整环 4 旋转至适当角度时予以固定，可使得只具有局限投射角度的 LED 路灯能够根据所需的照射方位调整角度，得到最好的照射效果。
本发明如图 1 所示的一种角度调整环 4 ，在其环体上螺纹设置有松紧钉 41 ，所述松紧钉 41 的旋动头部朝外，而顶压尾部朝内，可通过旋转旋动头部，控制松紧钉 41 的顶压尾部处于环体内方向的位置，以得到不同内径尺寸，能顺利固定内部所顶压的物件；配合于本发明的 LED 路灯使用，藉此得到可调整照射角度的结构。
当然，上述是本发明参照较佳实施例而进行的说明示范，惟应了解的是在不脱离本发明之精神及范畴内，对于本发明所属技术领域中具有通常知识者而言，仍得有许多变化及修改。因此，本发明并不限制于所揭露的实施例，而是以后附申请专利范围之文字记载为准，即不偏离本发明申请专利范围所为之均等变化与修饰，应仍属本发明之涵盖范围。

Claims (10)

  1. 一种 LED路灯，包括：
    一标准化金属接头（1）；
    一与金属接头（1）电气连接的发光二极管模组（2），具有一电路板（201），至少一发光二极管（202）电气连接该电路板（201）；以及
    一散热装置（3）；
    其中，所述散热装置（3）包括：
    至少一热管（301），具有相连的平整段及非平整段，其中所述平整段的正面安置所述发光二极管（202）；
    一散热后罩（302），与所述热管（301）的非平整段连接；以及
    一位于热管（301）与散热后罩（302）之间的活塞传动装置，通过LED路灯工作时产生的热量而运动；
    一位于LED路灯前方外部的排热扇（303），与所述活塞传动装置传动连接。
  2. 根据权利要求1所述的一种LED路灯，其中所述电路板（201）位于热管（301）的平整段背面；所述活塞传动装置包括：
    一设置于电路板（201）背面的活塞缸（304）；
    一设置于活塞缸（304）内的活塞（305）；
    一连接活塞（305）的活塞杆（306）；其中
    所述排热扇（303）与所述活塞杆（305）传动连接。
  3. 根据根据权利要求2所述的一种LED路灯，其中所述电路板（201）上设有通孔（2011），所述活塞传动装置还包括一位于通孔（2011）处的对流扇
    （307），与所述活塞杆（306）传动连接。
  4. 据权利要求2所述的一种LED路灯，其中所述活塞缸（304）后侧设有导热部（3040），且活塞缸（304）内部由活塞（305）分隔为后部热室
    （3041）及前部冷室（3042），使热室（3041）与导热部（3040）相连。
  5. 根据权利要求2所述的一种LED路灯，其中所述导热部（3040）为功率晶体或散热不易组件。
  6. 据权利要求2或3或4或5所述的一种LED路灯，其中：
    所述活塞缸（304）为朝向LED路灯前方的纵向设置，所述活塞杆（306）前部通过一连杆（308）与横向设置的第一锥齿轮（3091）传动连接，第一锥
    齿轮（3091）与纵向设置的第二锥齿轮（3092）相契合传动；
    所述排热扇（303）后侧设有排热扇转轴（3031），排热扇转轴（3031）伸入LED路灯内部与所述第二锥齿轮（3092）相连接；
    所述对流扇（307）设有对流扇转轴（3061）与所述第二锥齿轮（3092）相连接。
  7. 根据权利要求1~5中任意一项权利要求所述的一种LED路灯，其中所述排热扇（303）为螺旋叶状。
  8. 根据权利要求1所述的一种LED路灯，其中所述的散热后罩（302）为散热鳍片或铝金属散热片。
  9. 据权利要求1所述的一种LED路灯，其中所述发光二极管模组（2）后部套设有一角度调整环（4）与所述标准化金属接头（1）连接，该角度调整
    环（4）上螺纹设有作用部朝内侧发光二极管模组（2）的松紧钉（41），以当LED路灯沿角度调整环（4）旋转至适当角度时予以固定。
  10. 一种角度调整环（4），在其环体上螺纹设置有松紧钉（41），所述松紧钉（41）旋动头部朝外，而顶压尾部朝内。
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