CN106979484B - Heat abstractor of high-power LED street lamp - Google Patents
Heat abstractor of high-power LED street lamp Download PDFInfo
- Publication number
- CN106979484B CN106979484B CN201710422032.4A CN201710422032A CN106979484B CN 106979484 B CN106979484 B CN 106979484B CN 201710422032 A CN201710422032 A CN 201710422032A CN 106979484 B CN106979484 B CN 106979484B
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- China
- Prior art keywords
- aluminum
- heat dissipation
- aluminum substrate
- water tank
- cooling water
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Classifications
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- 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
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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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
- F21V29/10—Arrangement of heat-generating components to reduce thermal damage, e.g. by distancing heat-generating components from other components to be protected
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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
- F21V29/56—Cooling arrangements using liquid coolants
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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
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- 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
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The invention discloses a heat radiating device of a high-power LED street lamp, which comprises an aluminum substrate A, a plurality of high-power LEDs, an aluminum substrate B and a high-power LED drive control circuit, wherein the aluminum substrate A and the aluminum substrate B are respectively fixed on the same side of the aluminum heat radiating cavity through heat conducting glue, aluminum heat radiating fins are arranged on the other side of the aluminum heat radiating cavity, a temperature sensor is arranged in the aluminum heat radiating cavity and comprises a cooling water tank, the cooling water tank is buried at a certain depth of the ground, one side of the cooling water tank is connected with one side of the aluminum heat radiating cavity through a miniature water pump and a water pipe A, the other side of the cooling water tank is connected with the other side of the aluminum heat radiating cavity through a water pipe B, and the water injection port is arranged on the water pipe A or the water pipe B and comprises a control system, and the control system is respectively and independently connected with the high-power LED drive control circuit, the temperature sensor and the miniature water pump.
Description
Technical Field
The invention belongs to the technical field of LED energy-saving street lamps, and relates to a heat dissipation device, in particular to a heat dissipation device of a high-power LED street lamp.
Background
The LED is popular in the market due to the advantages of high brightness, low power consumption, long service life, quick starting, no stroboscopic effect, safety, reliability, environmental friendliness and the like, the LED becomes a main stream product in the market, particularly a street lamp used as a public facility, the energy consumption of the existing street lamp is huge, the maintenance cost is high, the high-power LED with ultrahigh brightness and various colors can be used along with the manufacturing process of the high-power LED and the development and application of new materials, the application field of the high-power LED can be spanned to the market of a high-efficiency illumination light source, and the replacement scale of the high-power LED street lamp in the future is very considerable because 90% of street lamps in China are still metal sodium lamps with high energy consumption and low service life.
The high-power LED is widely applied to an urban road lighting system as a new technology, has a plurality of problems in application, not only optimally designs the optics and the structure of a lamp, but also improves the heat dissipation problem faced in the design of the lighting lamp, and the heat dissipation problem is directly related to the service life of the LED, especially for the high-power LED street lamp.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the heat dissipation device of the high-power LED street lamp, which has the advantages of simple structure, low cost, easiness in realization and good heat dissipation effect.
The purpose of the invention is realized in the following way: a heat dissipating device for a high power LED street lamp, comprising:
an aluminum substrate A and a plurality of high-power LEDs arranged on the aluminum substrate A;
an aluminum substrate B and a high-power LED drive control circuit arranged on the aluminum substrate B;
the aluminum substrate A and the aluminum substrate B are respectively fixed on the same side of the aluminum heat dissipation cavity through heat conduction glue, aluminum heat dissipation fins are arranged on the other side of the aluminum heat dissipation cavity, and a temperature sensor is arranged in the aluminum heat dissipation cavity;
the cooling water tank is buried in the ground at a certain depth, one side of the cooling water tank is connected with one side of the aluminum heat dissipation cavity through the miniature water pump and the water pipe A, and the other side of the cooling water tank is connected with the other side of the aluminum heat dissipation cavity through the water pipe B;
the water injection port is arranged on the water pipe A or the water pipe B;
and the control system is respectively and independently connected with the high-power LED drive control circuit, the temperature sensor and the miniature water pump.
Preferably, a heat insulation plate is arranged between the aluminum substrate A and the aluminum substrate B.
Preferably, the capacity of the cooling water tank is at least twice that of the aluminum heat dissipation cavity.
Preferably, the cooling water tank is of a cuboid structure, and the height of the cuboid structure is 5-15 mm.
Preferably, the cooling water tank is made of aluminum materials.
Preferably, the outer surface of the cooling water tank is provided with a plurality of cooling plates.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) The invention adopts a double heat dissipation mode of water circulation and heat dissipation fins, and the two are complementary to strengthen the dissipation of heat generated by the high-power LED and the drive control circuit thereof, thereby having good heat dissipation effect and prolonging the service life of the high-power LED;
(2) The high-power LED and the driving control circuit thereof are separated from the physical space, so that direct heat conduction is not generated between the high-power LED and the driving control circuit, the stability of the driving control circuit is enhanced, the service life of the high-power LED is further prolonged, the high-power LED and the driving control circuit thereof are thoroughly separated from the physical space by adopting the heat insulation board, the direct heat conduction between the high-power LED and the driving control circuit is blocked, and the service life of the high-power LED is further prolonged;
(3) The cooling water tank is arranged underground, softened water is cooled by utilizing soil with low temperature, heat collected by the aluminum heat dissipation tank is dissipated into the underground, and the nature is fully utilized according to local conditions, so that energy is saved;
(4) The invention has simple integral structure, and the softened water, the miniature water pump and the aluminum material adopted are easy to obtain, low in cost and easy to realize, and have stronger practical value.
Drawings
FIG. 1 is a schematic diagram of the overall composition of the present invention.
In the figure: 1. the LED lamp comprises an aluminum substrate A2, a high-power LED 3, an aluminum substrate B4, a high-power LED drive control circuit 5, an aluminum heat dissipation cavity 6, aluminum heat dissipation fins 7, a temperature sensor 8, a cooling water tank 9, a miniature water pump 10, a water pipe A11, a water pipe B12, a water injection port 13, a heat insulation plate 14 and an aluminum heat dissipation plate.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
As shown in fig. 1, the heat dissipating device of a high-power LED street lamp provided by the invention comprises an aluminum substrate A1 and a plurality of high-power LEDs 2 arranged on the aluminum substrate A1, wherein the plurality of high-power LEDs 2 are fixed on the aluminum substrate A1 through welding and mainly dissipate heat to the outside through the aluminum substrate A1.
The LED driving control circuit comprises an aluminum substrate B3 and a high-power LED driving control circuit 4 arranged on the aluminum substrate B3, wherein the high-power LED driving control circuit 4 is fixed on the aluminum substrate B3 through welding and mainly dissipates heat to the outside through the aluminum substrate B3. The aluminum substrate A1 and the aluminum substrate B3 are separately arranged and respectively conduct and emit heat, the heat does not interfere with each other, the influence of heat generated by the plurality of high-power LEDs 2 on the high-power driving control circuit is effectively avoided, the working stability of the high-power LED driving control circuit 4 is increased, the plurality of high-power LEDs 2 can stably work under the stable driving of the high-power driving control circuit 4, the working life is prolonged, and particularly, the high-power LED driving control circuit 4 adopts a constant current source driving circuit.
The cooling device comprises an aluminum cooling cavity 5, wherein a cavity is arranged in the aluminum cooling cavity, softened water is filled in the cavity, and scale is not generated when the softened water works for a long time, so that the problem that the cooling effect is reduced due to the fact that the scale exists after the aluminum cooling cavity works for a long time is avoided. The aluminum substrate A1 and the aluminum substrate B3 are respectively fixed on the same side of the aluminum heat dissipation cavity 5 through heat conducting glue, and the heat conducting glue plays a role in fixing and simultaneously plays a role in transferring heat. The other side of the aluminum heat dissipation cavity 5 is provided with aluminum heat dissipation fins 6, so that the aluminum heat dissipation cavity 5 can exchange heat with ambient air directly, and the heat is dissipated into the air to reduce the temperature. The temperature sensor 7 is arranged in the aluminum heat dissipation cavity 5, the temperature of softened water in the aluminum heat dissipation cavity 5 is detected in real time, water circulation is started in time, heat is taken away, the high-power LED 2 is prevented from being too high in working temperature, the service life is influenced, and the maintenance cost is improved.
The cooling water tank 8 is buried in the ground at a certain depth, the buried depth of the cooling water tank 8 is generally 5-10 m, the cooling water tank 8 can be buried in a shallow land according to actual environment, natural conditions of nature can be utilized, softened water can be cooled by utilizing soil with low temperature, heat collected by the aluminum heat dissipation box 5 is dissipated into the ground, the temperature is reduced, and energy is saved. One side of the cooling water tank 8 is connected with one side of the aluminum heat dissipation cavity 5 through a miniature water pump 9 and a water pipe A10, and the other side of the cooling water tank 8 is connected with the other side of the aluminum heat dissipation cavity 5 through a water pipe B11 to form a water loop for water circulation. The miniature water pump 9 has small volume and low power consumption and can be arranged at a proper position according to actual conditions.
The water filling device comprises a water filling port 12 for periodically adding softened water and maintaining water circulation, wherein the water filling port 12 is arranged on a water pipe A10 or a water pipe B11.
The LED driving control system comprises a control system which is respectively and independently connected with a high-power LED driving control circuit 4, a temperature sensor 7 and a miniature water pump 9. Under the control of the control system, the high-power LED drive control circuit 4 works to provide constant-current power supply for the plurality of high-power LEDs 2 so as to enable the high-power LEDs to stably work; under the control of a control system, the temperature sensor 7 collects temperature signals of softened water in the aluminum heat dissipation cavity 5 in real time, and sends out corresponding instructions after processing, once the collected temperature is higher than a set value, the instructions are sent out to control the micro water pump 9 to work, water circulation is started, softened water with high temperature in the aluminum heat dissipation cavity 5 and softened water with low temperature in the cooling water tank 8 are replaced with each other, heat of the aluminum heat dissipation cavity 5 is taken away rapidly, and therefore the working temperature of the high-power LED 2 is reduced rapidly.
As a preferable scheme, a thermal insulation board 13 is arranged between the aluminum substrate A1 and the aluminum substrate B3, so that the plurality of high-power LEDs 2 and the high-power driving control circuit 4 thereof are thoroughly separated from physical space, direct heat conduction between the two is blocked, and the service life of the high-power LEDs is further prolonged.
As a preferred solution, the capacity of the cooling water tank 8 is at least twice that of the aluminum heat dissipation chamber 5, so that the softened water in the aluminum heat dissipation chamber 5 can be fully replaced.
As a preferred scheme, the cooling water tank 8 is of a cuboid structure, the height of the cuboid structure is 5-15 mm, and under the general condition, the height of the cuboid structure is 10mm, so that a flatter cuboid structure is formed, the cooling water tank 8 and the soil with lower temperature can exchange heat conveniently and quickly, cooling water in the cooling water tank 8 is maintained at a lower temperature, and the integral heat dissipation effect of the heat dissipation device is further ensured.
As a preferable scheme, the cooling water tank 8 is made of an aluminum material, and the cooling water tank is easy to obtain, low in cost, high in heat dissipation speed, good in heat dissipation performance, difficult to rust and light.
As a preferred solution, the outer surface of the cooling water tank 8 is provided with a plurality of heat dissipation plates 14, and the heat dissipation plates 14 penetrate into the soil to help the cooling water tank 8 exchange heat with the soil with a lower temperature more quickly.
When the LED street lamp is actually used, the aluminum substrate A1, the plurality of high-power LEDs 2, the aluminum substrate B3, the high-power driving control circuit 4, the aluminum heat dissipation cavity 5, the temperature sensor 7 and the heat insulation plate 13 are arranged in the lamp cap of the high-power LED street lamp and are subjected to sealing, waterproof and dustproof treatment, wherein the outer side of the heat insulation plate 13 is tightly matched with the lamp cap cover to thoroughly separate the plurality of high-power LEDs 2 and the high-power driving control circuit 4 thereof, the lamp cap can adopt the existing street lamp structure, the aluminum heat dissipation fins 6 are arranged outside the lamp cap of the high-power LED street lamp to facilitate heat dissipation, the water pipe A10 and the water pipe B11 are LED to the ground along with the street lamp post from the middle of the street lamp post along with a power line, the cooling water tank 8 is buried under the ground, the micro water pump 9 and the water injection port 12 are arranged in the control box, and the LED street lamp can be slightly changed according to the actual high-power LED street lamp and are matched with each other to form a beautiful and smooth appearance.
When the LED street lamp provided by the invention actually works, the aluminum radiating fins 6 radiate heat through convection with surrounding air, meanwhile, the temperature sensor 7 detects the temperature of softened water in the aluminum radiating cavity 5 in real time and feeds back signals to the control system, and the control system controls whether the micro water pump 9 works or not according to signal processing results, so that whether water circulation is started or not is controlled, and the aluminum radiating fins 6 are matched to provide a dual radiating mode for the high-power LED street lamp together, so that the radiating effect is good, the working temperature of the high-power LED street lamp is ensured to be stable, and the service life is prolonged.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present invention without departing from the spirit and scope of the present invention, and any modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (1)
1. The utility model provides a heat abstractor of high-power LED street lamp which characterized in that includes:
an aluminum substrate A (1) and a plurality of high-power LEDs (2) arranged on the aluminum substrate A (1);
the LED driving control circuit comprises an aluminum substrate B (3) and a high-power LED driving control circuit (4) arranged on the aluminum substrate B (3), wherein the high-power LED driving control circuit (4) is fixed on the aluminum substrate B (3) through welding and mainly dissipates heat to the outside through the aluminum substrate B (3);
the aluminum heat dissipation cavity (5), the aluminum substrate A (1) and the aluminum substrate B (3) are respectively fixed on the same side of the aluminum heat dissipation cavity (5) through heat conduction glue, an aluminum heat dissipation fin (6) is arranged on the other side of the aluminum heat dissipation cavity (5), and a temperature sensor (7) is arranged in the aluminum heat dissipation cavity (5);
the cooling water tank (8) is buried in the ground at a certain depth, one side of the cooling water tank (8) is connected with one side of the aluminum heat dissipation cavity (5) through the miniature water pump (9) and the water pipe A (10), and the other side of the cooling water tank (8) is connected with the other side of the aluminum heat dissipation cavity (5) through the water pipe B (11);
a water injection port (12), wherein the water injection port (12) is arranged on the water pipe A (10) or the water pipe B (11);
the control system is respectively and independently connected with the high-power LED drive control circuit (4), the temperature sensor (7) and the miniature water pump (9);
a heat insulation plate (13) is arranged between the aluminum substrate A (1) and the aluminum substrate B (3);
the capacity of the cooling water tank (8) is at least twice that of the aluminum heat dissipation cavity (5); the cooling water tank (8) is of a cuboid structure, and the height of the cuboid structure is 5-25 mm; the cooling water tank (8) is made of aluminum materials; the outer surface of the cooling water tank (8) is provided with a plurality of cooling plates (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422032.4A CN106979484B (en) | 2017-06-07 | 2017-06-07 | Heat abstractor of high-power LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422032.4A CN106979484B (en) | 2017-06-07 | 2017-06-07 | Heat abstractor of high-power LED street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106979484A CN106979484A (en) | 2017-07-25 |
| CN106979484B true CN106979484B (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710422032.4A Active CN106979484B (en) | 2017-06-07 | 2017-06-07 | Heat abstractor of high-power LED street lamp |
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| CN (1) | CN106979484B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620929B (en) * | 2017-10-20 | 2020-09-29 | 贵州宇之源太阳能科技有限公司 | Heat dissipation type solar LED street lamp |
| CN109163275B (en) * | 2017-12-26 | 2020-09-15 | 江苏鹏祥照明科技发展有限公司 | Energy-saving street lamp with heat dissipation function |
| CN109027841B (en) * | 2018-05-04 | 2021-05-18 | 厦门飞德利照明科技有限公司 | Distributed concentrated heat dissipation street lamp |
| CN109027811A (en) * | 2018-08-07 | 2018-12-18 | 广东汉通光电科技有限公司 | A kind of Projecting Lamp |
| CN110242902A (en) * | 2019-07-25 | 2019-09-17 | 商洛市虎之翼科技有限公司 | A kind of liquid-cooling heat radiation searchlight |
| CN110553235A (en) * | 2019-10-10 | 2019-12-10 | 山东省科学院能源研究所 | High-power LED heat dissipation/waste heat utilization system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206803Y (en) * | 2007-09-13 | 2009-03-11 | 孙敬玺 | Heat pipe radiator, high-power LED street lamp |
| CN103542331A (en) * | 2013-10-28 | 2014-01-29 | 周肇炎 | Water-cooled LED streetlamp |
| CN204372746U (en) * | 2015-01-16 | 2015-06-03 | 浙江紫金光伏科技有限公司 | A kind of LED street lamp radiator |
-
2017
- 2017-06-07 CN CN201710422032.4A patent/CN106979484B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206803Y (en) * | 2007-09-13 | 2009-03-11 | 孙敬玺 | Heat pipe radiator, high-power LED street lamp |
| CN103542331A (en) * | 2013-10-28 | 2014-01-29 | 周肇炎 | Water-cooled LED streetlamp |
| CN204372746U (en) * | 2015-01-16 | 2015-06-03 | 浙江紫金光伏科技有限公司 | A kind of LED street lamp radiator |
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| CN106979484A (en) | 2017-07-25 |
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Effective date of registration: 20230803 Address after: Room 101, Building 15, Jianlong Street, Baoan Community, Yuanshan Street, Longgang District, Shenzhen, Guangdong, 518000 Applicant after: SHENZHEN HONGXIANG OPTICAL ELECTRONICS Co.,Ltd. Address before: 461000 West Section of Bayi Road, Weidu District, Xuchang City, Henan Province Applicant before: XUCHANG HONGRONG ENERGY-SAVING ELECTRICAL EQUIPMENT CO.,LTD. |
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