AU2011101247A4 - Streetlight module - Google Patents
Streetlight module Download PDFInfo
- Publication number
- AU2011101247A4 AU2011101247A4 AU2011101247A AU2011101247A AU2011101247A4 AU 2011101247 A4 AU2011101247 A4 AU 2011101247A4 AU 2011101247 A AU2011101247 A AU 2011101247A AU 2011101247 A AU2011101247 A AU 2011101247A AU 2011101247 A4 AU2011101247 A4 AU 2011101247A4
- Authority
- AU
- Australia
- Prior art keywords
- heat
- dissipating fins
- dissipating
- module
- slots
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
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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
- F21V29/70—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
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
-
- 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
Abstract
A streetlight module includes a lens assembly, a sealing ring, a heat-conducting baseplate and a heat dissipating assembly; the lens assembly is mounted in the front side of the heat-conducting baseplate, and the sealing ring is mounted between the lens assembly and the heat-dissipating assembly such that a sealed space is defined between the lens assembly and the heat-conducting baseplate; a plurality of LED lights are provided on the heat-conducting baseplate; the LED lights are positioned inside the sealed space and are electrically connected to the input end of the power supply; the heat-dissipating assembly is on the back side of the heat-conducting baseplate. The present invention has good heat-dissipating and waterproof performance with high efficiency, as well as long lifetime. Fig. I Fig. 2
Description
Regulation 3.2 AUSTRALIA PATENTS ACT 1990 COMPLETE SPECIFICATION FOR AN INNOVATION PATENT ORIGINAL Name of Applicant: Electricity Facilities Guangri Guangzhou Co. Ltd. Actual Inventors: Hongyi Zhong Jiafu Wei Junzhi Jiang Hanen He Jingyong Chen Address for Service: C/- MADDERNS, GPO Box 2752, Adelaide, South Australia, Australia Invention title: STREETLIGHT MODULE The following statement is a full description of this invention, including the best method of performing it known to us.
FIELD OF THE INVENTION The present invention relates to a streetlight module. BACKGROUND OF THE INVENTION 5 Most of the known streetlights in the art adopt high voltage sodium lamp or metal halogen lamp. With the development of technology, LED streetlights have been developed. Because of the high light efficiency of LED and the good design of its lens assembly, the light efficiency and the multiple utilization rate of the LED as light source are larger than traditional streetlights. However, LED lights will generate a lot of heat during use, which can reduce the light efficiency and the lifetime of LED lights in 0 case of poor heat-dissipating condition. On the other hand, the waterproof problem of each of a plurality of LED lights that are used as light source should be taken into consideration, so as to prevent the insulation of the streetlights from being damaged by the incoming rainwater. The known LED streetlights, however, still have drawbacks in heat-dissipation and water resistance. 5 SUMMARY OF THE INVENTION The object of the present invention is to provide a streetlight module, which overcomes the drawbacks of those in the art. The present invention has good heat dissipation and waterproof performance, as well as long lifetime. To achieve the above object, the technical solution is as follows: .0 A streetlight module comprises: a heat-conducting baseplate, wherein a plurality of LED lights are provided on the heat-conducting baseplate; a lens assembly mounted on a front side of the heat-conducting baseplate; a sealing ring mounted between the lens assembly and the heat-dissipating assembly, in order to !5 define a sealed space between the lens assembly and the heat-conducting baseplate, said plurality of LED lights are located inside the sealed space and electrically connected to an input end of a power supply; and a heat-dissipating assembly mounted on a back side of the heat-conducting baseplate. Preferably, a plurality of steamed bread-shaped lenses are provided on an upper surface of said lens assembly, each of the bread-shaped lenses is corresponding to each of the LED lights assembly. 30 Preferably, the streetlight module further includes a waterproof box, and a constant-current module between the LED lights and the input end of the power supply. The constant-current module is disposed inside the waterproof box. The waterproof box is configured with a wire hole, through which the wire passes and electrically connects the input end of the power supply with the constant-current module. A protective sheath for protecting the wire is provided at the wire hole. A waterproof joint is provided at the 35 input end of the power supply. Preferably, the heat-dissipating assembly includes a mounting plate and a plurality of heat-dissipating fins. A plurality of parallel slots are provided on the mounting plate. A plurality of heat-dissipating fins are superposed and parallel to each other. The end of the heat-dissipating fin adjacent to the mounting plate is the fixed end of the heat-dissipating fin. The fixed ends of the heat-dissipating fins are respectively inserted into the slots. The fixed ends of the heat-dissipating fins are in the shape of a straight piece, while the slots are vertical slots, with process slots provided between each pair of adjacent vertical slots. 5 Preferably, the streetlight module further includes cramps, on which a plurality of locating slots are provided. The rest sides of the heat-dissipating fins are inserted into the locating slots of the cramps. Preferably, there are at least three cramps, which are respectively provided at the upper side, the left side and the right side of the heat-dissipating fins. Preferably, the process slots are V-shaped or U-shaped. 0 Preferably, through holes are provided on each of the heat-dissipating fins, while on the mounting plate a heat-conducting copper pipe is connected; the conducting copper pipe passes through the through holes of all heat-dissipating fins. Preferably, corresponding convection holes are provided on each of the heat-dissipating fins, with a ventilation gap provided between the adjacent heat-dissipating fins at the side and the top thereof. 5 Preferably, brackets are provided at both ends of the mounting plate. To sum up, the present invention has the following advantages: 1. A sealed space is formed between the lens assembly and the heat-conducting baseplate, wherein a plurality of LED lights are located, the sealed space prevents the rainwater from entering into the sealed space, and therefore it improves the overall waterproof performance of the streetlight module. .0 2. During the operation, heat generated by LED lights is transferred by the heat-conducting baseplate to the heat-dissipating assembly, and is then emitted into the atmosphere, which improves the heat dissipating performance of the streetlight module, and therefore extends the lifetime of the LED lights. 3. Excellent design of the lens ensures good effective spots in use to be obtained. 4. The constant-current module can enable the power input of LED lights to be in constant current, .5 improving the stability of the LED lights during operation. Meanwhile, heat generated by the constant current module can also be emitted into the air through the heat-dissipating assembly. In addition, the constant-current module and its wire are all waterproof, which improves the stability of the entire streetlight module. 5. The fixed ends of the heat-dissipating fins are in the shape of a straight piece, and the slots are 30 vertical slots. When fixing, the heat-dissipating fins can be vertically inserted into respective vertical slots directly, and then be pressed by the mould at the process slots which are located at both sides of the slots. This process is easy to be achieved with higher manufacture efficiency. 6. The efficient of heat-conducting from the heat-conducting baseplate to the heat-dissipating fins is enhanced attribute to the heat-conducting copper pipe. 35 7. The fixing stability of the heat-dissipating fins is improved by the cramps fixing at the sides of the heat-dissipating fins. 8. Process slots in V shape or U shape are adopted to tightly press the heat-dissipating fins. 9. By the configuration of the convection holes and the ventilation gap on the heat-dissipating fins, heat exchange between the heat-dissipating fins and the air is enhanced, which improves the heat dissipating performance of the streetlight module. BRIEF DESCRIPTION OF THE DRAWINGS 5 Figure 1 is the schematic perspective view of the streetlight module according to an embodiment of the present invention; Figure 2 is the schematic bottom view of the streetlight module according to an embodiment of the present invention; Figure 3 is an exploded view of the streetlight module according to an embodiment of the present 0 invention; Figure 4 is the structural view of the heat-dissipating assembly; Figure 5 is the structural view showing the connection of the mounting plate and the heat-dissipating fins; Figure 6 is the structural view showing the connection of the cramps and the heat-dissipating fins. 5 Reference numbers: 1. lens assembly; 2. sealing ring; 3. heat-conducting baseplate; 4. heat-dissipating assembly; 5. LED lights; 6. lens; 7. waterproof box; 8. protective sheath; 9. wire; 10. waterproof joint; L1. mounting plate; 12. heat-dissipating fins; 13. slots; 14. process slot; 15. cramps; 16. heat-conducting copper pipe; 17. convection holes; 18. bracket. 0 DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail with reference to the drawings. As shown from Fig. I to Fig. 6, a streetlight module includes a lens assembly 1, a sealing ring 2, a heat-conducting baseplate 3 and a heat-dissipating assembly 4. The lens assembly I is mounted on the 5 front side of the heat-conducting baseplate 3, and the sealing ring 2 is mounted between the lens assembly 1 and the heat-dissipating assembly 4 such that a sealed space is defined between the lens assembly I and the heat-conducting baseplate 3. A plurality of LED lights 5 are provided on the heat-conducting baseplate 3. The LED lights 5 are positioned inside the sealed space and are electrically connected to the input end of the power supply. The heat-dissipating assembly 4 is on the back side of the heat-conducting 30 baseplate 3. A plurality of steamed bread-shaped lenses 6 are provided on the upper surface of the lens assembly 1, each of which is corresponding to the respective LED light 5. The streetlight module also includes a waterproof box 7, and a constant-current module between the LED lights 5 and the input end of the power supply. The constant-current module is disposed inside the waterproof box 7. The waterproof box 7 is 35 configured with a wire hole, through which the wire 9 passes and electrically connects the input end of the power supply with the constant-current module. A protective sheath 8 is provided at the wire hole. A waterproofjoint 10 is provided at the input end of the power supply. The heat-dissipating assembly 4 includes a mounting plate I1 and a plurality of heat-dissipating fins 12. A plurality of slots 13 parallel to each other are provided on the mounting plate 11. The plurality of heat-dissipating fins 12 are superposed and parallel to each other. The fixed end of the heat-dissipating fin 12 is adjacent to the mounting plate 11. The fixed ends of the heat-dissipating fins 12 are respectively inserted into the slots 13. The fixed ends of the heat-dissipating fins 12 are in the shape of a straight piece, 5 while the slots 13 are vertical slots, with process slots 14 provided between each pair of adjacent slots 13. The heat-dissipating assembly 4 further includes cramps 15, on which a plurality of locating slots are provided. The rest sides of the heat-dissipating fins 12 are inserted into the locating slots of the cramps 15. There are four cramps 15, of which two cramps 15 are provided at the upper side of the heat dissipating fins 12, and the other two cramps 15 are provided at the left side and the right side of the heat 0 dissipating fins 12. The process slots 14 are V-shaped or U-shaped. There are through holes provided on each heat-dissipating fin 12, while on the mounting plate I1 a heat-conducting copper pipe 16 is connected; the conducting copper pipe 16 passes through the through holes of all heat-dissipating fins 12. Corresponding convection holes 17 are provided on each heat-dissipating fin 12, with a ventilation gap provided between adjacent heat-dissipating fins 12 on the side and the top. Brackets 18 are provided at 5 both ends of the mounting plate. The advantages of this embodiment are as follows: 1. A sealed space is formed between the lens assembly I and the heat-conducting baseplate 3, wherein a plurality of LED lights 5 are located in the sealed space, the sealed space prevents rainwater from entering, and therefore it improves the overall waterproof performance of the streetlight module. 0 2. During the operation, heat generated by LED lights 5 is transferred by the heat-conducting baseplate 3 to the heat-dissipating assembly 4, and is then emitted into the atmosphere, which improves the heat dissipation performance of the streetlight module, and therefore extends the lifetime of the LED lights 5. 3. Excellent design of the lens ensures good effective spots in use to be obtained. 5 4. The constant-current module enables the power input of LED lights 5 to be in constant current, improving the stability of the LED lights 5 during operation. Meanwhile, heat generated by the constant current module 4 can also be emitted into the air through the heat-dissipating assembly. In addition, the constant-current module and its wire 9 are all waterproof, which improves the stability of the whole streetlight module. 30 5. The fixed end of the heat-dissipating fin 12 is in the shape of a straight piece, and the slots 13 are vertical slots. When fixing, the heat-dissipating fins 12 can be vertically inserted into respective vertical slots 13 directly, and then be pressed by a mould at the process slots 14 which are located at both sides of the slots 13. This process is easy to achieve with higher manufacture efficiency. 6. The efficiency of heat conduction from the heat-conducting baseplate 3 to the heat-dissipating fins 35 12 is improved attribute to the heat-conducting copper pipe 16. 7. The fixing stability of the heat-dissipating fins 12 is much enhanced by the cramps 15 fixed at the sides of the heat-dissipating fins 12. 8. Process slots 14 in V shape or U shape are adopted to tightly press the heat-dissipating fins 12.
9. With the configuration of the ventilation gaps and the convection holes 17 on the heat-dissipating fins 12, heat exchange between the heat-dissipating fins 12 and the air is enhanced, which improves the heat-dissipating performance of the streetlight module. The above described is only a detailed embodiment of the present invention, and is not meant to limit 5 the protective scope of the present invention; it should be appreciated that modifications and additions may be made thereto without departing from the scope thereof.
Claims (10)
1. A streetlight module, comprising: a heat-conducting baseplate; 5 a plurality of LED lights provided on the heat-conducting baseplate; a lens assembly mounted on a front side of the heat-conducting baseplate; a sealing ring mounted between the lens assembly and the heat-dissipating assembly such that a sealed space is defined between the lens assembly and the heat-conducting baseplate, said plurality of LED lights are located inside the sealed space and electrically connected to an input end of a power 0 supply; and a heat-dissipating assembly mounted on a back side of the heat-conducting baseplate.
2. The streetlight module of claim 1, wherein a plurality of steamed bread-shaped lenses are provided on an upper surface of said lens assembly, each of the bread-shaped lenses is corresponding to each of the LED lights. 5
3. The streetlight module of claim 1, wherein said streetlight module further comprises a waterproof box, and a constant-current module displaced between said LED lights and the input end of the power supply; the constant-current module is disposed inside the waterproof box; the waterproof box is configured with a wire hole, through which a wire passes and electrically connects the input end of the power supply with the constant-current module; a protective sheath for protecting the wire is provided at .0 the wire hole; a waterproofjoint is provided at the input end of the power supply.
4. The streetlight module of any one of claim 1 to claim 3, wherein said heat-dissipating assembly comprises a mounting plate and a plurality of heat-dissipating fins; a plurality of slots parallel to each other are provided on the mounting plate; the plurality of heat-dissipating fins are superposed and parallel to each other; an end of each of the heat-dissipating fins adjacent to said mounting plate is a fixed end; the !5 fixed ends of the heat-dissipating fins are respectively inserted into the slots; the fixed end of each of the heat-dissipating fins is in the shape of a straight piece, while the slots are vertical slots, and process slots are provided between each pair of adjacent vertical slots.
5. The streetlight module of claim 4, wherein said streetlight module further comprises cramps, on which a plurality of locating slots are provided; the rest sides of said heat-dissipating fins are inserted into 30 the locating slots of the cramps.
6. The streetlight module of claim 5, wherein there are at least three cramps, which are respectively provided at an upper side, a left side and a right side of said heat-dissipating fins.
7. The streetlight module of claim 4, wherein said process slots are V-shaped or U-shaped.
8. The streetlight module of claim 4, wherein corresponding through holes are provided on each of the 35 heat-dissipating fins, while on said mounting plate a heat-conducting copper pipe is connected; said conducting copper pipe passes through the through holes of all the heat-dissipating fins.
9. The streetlight module of claim 4, wherein corresponding convection holes are provided on each of the heat-dissipating fins, and a ventilation gap is provided between adjacent heat-dissipating fins at the side and the top thereof.
10. The streetlight module of claim 4, wherein brackets are provided at both ends of said mounting plate.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205555634U CN201803247U (en) | 2010-09-30 | 2010-09-30 | Street lamp module |
CN201020555563.4 | 2010-09-30 | ||
CN201120024043.5 | 2011-01-26 | ||
CN2011200240435U CN201946319U (en) | 2011-01-26 | 2011-01-26 | Heat-dissipating module |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2011101247A4 true AU2011101247A4 (en) | 2011-11-03 |
Family
ID=44719655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2011101247A Ceased AU2011101247A4 (en) | 2010-09-30 | 2011-09-28 | Streetlight module |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2436967A1 (en) |
AU (1) | AU2011101247A4 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2525852A (en) * | 2014-05-01 | 2015-11-11 | Olivewood Data Technologies Ltd | Lighting device |
US10119759B2 (en) * | 2016-03-31 | 2018-11-06 | Hoya Candeo Optronics Corporation | Heat radiating apparatus and light illuminating apparatus with the same |
CN106838729B (en) * | 2017-03-16 | 2023-06-23 | 浙江阳光城市照明工程有限公司 | Outdoor LED lamp module |
CN108426228A (en) * | 2018-05-24 | 2018-08-21 | 余胜荣 | A kind of street lamp header structure |
CN219406189U (en) * | 2023-04-19 | 2023-07-25 | 苏州科易赢信息技术有限公司 | Waterproof charger of electric motor car heat dissipation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7338186B1 (en) * | 2006-08-30 | 2008-03-04 | Chaun-Choung Technology Corp. | Assembled structure of large-sized LED lamp |
US7566147B2 (en) * | 2007-05-04 | 2009-07-28 | Ruud Lighting, Inc. | Multi-LED light fixture with secure arrangement for LED-array wiring |
US9557033B2 (en) * | 2008-03-05 | 2017-01-31 | Cree, Inc. | Optical system for batwing distribution |
EP2294620B1 (en) * | 2008-05-27 | 2017-08-02 | Cree, Inc. | Method for led-module assembly |
-
2011
- 2011-09-28 AU AU2011101247A patent/AU2011101247A4/en not_active Ceased
- 2011-09-30 EP EP11183648A patent/EP2436967A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP2436967A1 (en) | 2012-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGI | Letters patent sealed or granted (innovation patent) | ||
MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |