CN111578243B - LED street lamp heat dissipation device with multistage heat dissipation function - Google Patents
LED street lamp heat dissipation device with multistage heat dissipation function Download PDFInfo
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- CN111578243B CN111578243B CN202010529706.2A CN202010529706A CN111578243B CN 111578243 B CN111578243 B CN 111578243B CN 202010529706 A CN202010529706 A CN 202010529706A CN 111578243 B CN111578243 B CN 111578243B
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- fixedly connected
- heat dissipation
- street lamp
- led street
- shell
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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
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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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
-
- 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
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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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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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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- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to the technical field of LED lamps, and discloses an LED street lamp heat dissipation device with multi-stage heat dissipation, which comprises a support rod, wherein the outer part of the support rod is movably connected with a shell, the inner part of the shell is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with a lamp cap, the inner part of the shell is fixedly connected with a heat dissipation tube, the top of the heat dissipation tube is fixedly connected with an evaporation chamber, the inner part of the shell is fixedly connected with a ventilation duct, the outer part of the ventilation duct is fixedly connected with a heat dissipation sheet, the inner part of the ventilation duct is fixedly connected with a fan, the inner part of the shell is fixedly connected with a circuit board, and through the matching use of the heat dissipation tube, the evaporation chamber, the ventilation duct and the heat dissipation sheet, the heat dissipation effect of an LED street lamp is achieved, the heat dissipation of the LED lamp is effectively ensured, the heat dissipation effect is good, the service life of the LED lamp is effectively ensured, and the cold and hot convection of natural wind power and ammonia gas are effectively utilized, thereby effectively saving energy and reducing energy loss.
Description
Technical Field
The invention relates to the technical field of LED lamps, in particular to an LED street lamp heat dissipation device with multistage heat dissipation.
Background
The LED lamp is an electroluminescent semiconductor material chip, is solidified on the bracket by using silver glue or white glue, is connected with the chip and the circuit board by using silver wires or gold wires, and is sealed by using epoxy resin at the periphery to play a role in protecting internal core wires. Generally, the street lamp is located outdoors and is affected by dust, ambient temperature and other factors, so that heat dissipation becomes an important factor affecting the service life of the LED street lamp.
However, most of the existing LED street lamps mainly adopt radiation heat dissipation, which results in poor heat dissipation efficiency of the existing LED street lamps and failure of timely heat dissipation, thus resulting in temperature rise inside the street lamps and greatly reducing the service life of the LED street lamps.
In order to solve the above problems, the inventor provides a heat dissipation device for an LED street lamp with multi-stage heat dissipation, which has the advantages of multi-stage heat dissipation, effective guarantee of heat dissipation, increase of the service life of the LED street lamp, and reduction of electric energy waste.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a LED street lamp heat abstractor that possesses multistage heat dissipation, includes bracing piece, casing, fixed plate, lamp holder, cooling tube, evaporating chamber, air duct, fin, fan, circuit board, controller, spout, bar magnet, push rod, spacing spring, touch multitouch, movable magnetic path, bimetallic strip.
The positions and the connection relations of the structures are as follows:
the outer part of the supporting rod is movably connected with a shell, the inner part of the shell is fixedly connected with a fixing plate, the bottom of the fixed plate is fixedly connected with a lamp cap, the interior of the shell is fixedly connected with a radiating pipe, the top of the radiating pipe is fixedly connected with an evaporation chamber, the interior of the shell is fixedly connected with an air duct, the outside of the air duct is fixedly connected with a radiating fin, the inside of the air duct is fixedly connected with a fan, the interior of the shell is fixedly connected with a circuit board, the interior of the shell is fixedly connected with a controller, a chute is arranged inside the controller, a magnetic bar is connected inside the chute in a sliding way, a push rod is fixedly connected at the left end of the magnetic bar, the limiting spring is sleeved outside the push rod, the contact block is fixedly connected to the left end of the push rod, the movable magnetic block is movably connected to the outside of the magnetic rod, and the bimetallic strip is fixedly connected to the outside of the movable magnetic block.
Preferably, the heat radiating pipe penetrates through the inside of the housing, and liquid ammonia is provided inside the heat radiating pipe.
Preferably, the evaporating chamber is provided with two, and two evaporating chambers are fixed connection respectively at the top at cooling tube both ends, and the evaporating chamber is located the top of casing, and two evaporating chambers all communicate with the cooling tube, and the outside of two evaporating chambers all is provided with the arris piece.
Preferably, the air duct penetrates through the housing, the cooling fins penetrate through the air duct, and the cooling fins are movably connected to the inside of the housing.
Preferably, the fan is provided with two, and two fans are fixed connection respectively at the inside both ends of ventiduct, and two fans all are connected with controller electric connection.
Preferably, two ends of the limiting spring are respectively and fixedly connected with the magnetic bar and the controller.
Preferably, the contact blocks are provided with two contact blocks, one contact block is fixedly connected with the push rod, the other contact block is fixedly connected in the controller, the two contact blocks are movably connected, and the two contact blocks are electrically connected with the controller.
Preferably, when the movable magnetic block rotates to be close to the magnetic rod, the movable magnetic block and the magnetic rod are connected in the same pole.
Preferably, the bimetallic strip is formed by connecting metals with different thermal expansion coefficients, a connecting rod is arranged at one end of the bimetallic strip and is fixedly connected with the movable magnetic block, and the other end of the bimetallic strip is fixedly connected inside the shell.
Advantageous effects
Compared with the prior art, the invention provides the LED street lamp heat dissipation device with multistage heat dissipation, which has the following beneficial effects:
1. this LED street lamp heat abstractor that possesses multistage radiating uses through the cooperation of cooling tube, evaporating chamber, air duct and fin to reach the radiating effect of LED street lamp, effectively guarantee the heat dissipation of LED lamp, the radiating effect is good, thereby effectively guarantee the life of LED lamp, and effectively utilize the cold and hot convection current of natural wind-force heat dissipation and ammonia, thereby effective energy saving reduces the energy loss.
2. This possess multistage radiating LED street lamp heat abstractor, through the fan, a controller, the spout, the bar magnet, the push rod, spacing spring, the feeler block, the cooperation of activity magnetic path and bimetallic strip is used, thereby realize the inside temperature monitoring of casing, and conveniently make the fan increase the inside air flow rate of ventiduct, thereby further increase radiating effect, reach multistage radiating effect, and avoid the fan to open for a long time, thereby the waste of piece reduction electric energy, effective energy saving, and effectively guarantee radiating effect, further effectively guarantee the life of LED street lamp.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a schematic side view of the overall connection of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention showing the connection of the fixing plate, the lamp cap, the heat dissipating tube and the ventilation duct;
FIG. 4 is an enlarged view of the connection of the air duct, the heat sink and the fan in part A of the structure of FIG. 1;
FIG. 5 is an enlarged view of the connection of the controller, the sliding slot, the magnetic bar, the push rod, the limiting spring, the contact block, the movable magnetic block and the bimetallic strip in the part B of the structure of FIG. 1.
In the figure: 1. a support bar; 2. a housing; 3. a fixing plate; 4. a lamp cap; 5. a radiating pipe; 6. an evaporation chamber; 7. an air duct; 8. a heat sink; 9. a fan; 10. a circuit board; 11. a controller; 12. a chute; 13. a magnetic bar; 14. a push rod; 15. a limiting spring; 16. a contact block; 17. a movable magnetic block; 18. a bimetal strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an LED street lamp heat dissipation device with multi-stage heat dissipation includes a support rod 1, a housing 2, a fixing plate 3, a lamp cap 4, a heat dissipation pipe 5, an evaporation chamber 6, a ventilation duct 7, a heat dissipation fin 8, a fan 9, a circuit board 10, a controller 11, a chute 12, a magnetic bar 13, a push rod 14, a limiting spring 15, a contact block 16, a movable magnetic block 17, and a bimetallic strip 18.
The positions and the connection relations of the structures are as follows:
the outside swing joint of bracing piece 1 has casing 2, the inside fixedly connected with fixed plate 3 of casing 2, the bottom fixedly connected with lamp holder 4 of fixed plate 3, the inside fixedly connected with cooling tube 5 of casing 2, the top fixedly connected with evaporating chamber 6 of cooling tube 5, the inside fixedly connected with ventiduct 7 of casing 2, the outside fixedly connected with fin 8 of ventiduct 7, the inside fixedly connected with fan 9 of ventiduct 7, the inside fixedly connected with circuit board 10 of casing 2, the inside fixedly connected with controller 11 of casing 2, spout 12 has been seted up to controller 11's inside, the inside sliding connection of spout 12 has magnetic bar 13, the left end fixedly connected with push rod 14 of magnetic bar 13, spacing spring 15 has been cup jointed to push rod 14's outside, the left end fixedly connected with touch multitouch 16 of push rod 14, the outside swing joint of magnetic bar 13 has movable magnetic path 17, the outside fixedly connected with bimetallic strip 18 of movable magnetic path 17.
Wherein:
a, the heat pipe 5 penetrates the inside of the housing 2, and liquid ammonia is provided inside the heat pipe 5.
b, evaporating chamber 6 is provided with two, and two evaporating chambers 6 fixed connection are at the top at 5 both ends of cooling tube respectively, and evaporating chamber 6 is located the top of casing 2, and two evaporating chambers 6 all communicate with cooling tube 5, and the outside of two evaporating chambers 6 all is provided with the arris piece.
c, the air duct 7 penetrates through the shell 2, the radiating fins 8 penetrate through the air duct 7, and the radiating fins 8 are movably connected inside the shell 2.
d, fan 9 is provided with two, and two fan 9 fixed connection are at the inside both ends of ventiduct 7 respectively, and two fan 9 all are connected with controller 11 electric connection.
e, two ends of the limiting spring 15 are respectively fixedly connected with the magnetic bar 13 and the controller 11.
f, two contact blocks 16 are arranged, one contact block 16 is fixedly connected with the push rod 14, the other contact block 16 is fixedly connected inside the controller 11, the two contact blocks 16 are movably connected, and the two contact blocks 16 are electrically connected with the controller 11.
And g, when the movable magnetic block 17 rotates to be close to the magnetic rod 13, the movable magnetic block 17 is connected with the magnetic rod 13 in the same pole.
h, the bimetallic strip 18 is formed by connecting metals with different thermal expansion coefficients, a connecting rod is arranged at one end of the bimetallic strip 18 and is fixedly connected with the movable magnetic block 17, and the other end of the bimetallic strip 18 is fixedly connected inside the shell 2.
Working process and principle, when in use, because the ventilation channel 7 runs through the shell 2, the radiating fins 8 run through the ventilation channel 7, and the radiating fins 8 are movably connected inside the shell 2, wind power passes through the ventilation channel 7, and the radiating effect is effectively ensured under the action of the radiating fins 8, meanwhile, because the radiating tubes 5 run through the inside of the shell 2, and liquid ammonia is arranged inside the radiating tubes 5, two evaporating chambers 6 are arranged, two evaporating chambers 6 are respectively and fixedly connected on the tops of two ends of the radiating tubes 5, and the evaporating chambers 6 are positioned on the top of the shell 2, the two evaporating chambers 6 are both communicated with the radiating tubes 5, and the edges are arranged outside the two evaporating chambers 6, so when the temperature inside the shell 2 rises, the liquid ammonia inside the radiating tubes 5 is heated and liquefied, and absorbs heat, and meanwhile, the air pressure difference is formed inside the radiating tubes 5, the ammonia flows upwards to enter the evaporating chambers 6, and because the edges are arranged outside the evaporating chambers 6, thereby effectively increase heat radiating area, guarantee the radiating effect, make the ammonia temperature descend, cold and hot ammonia forms the convection current to reach heat exchange's effect, under the effect of air duct 7 and cooling tube 5, effectively guarantee the heat dissipation of LED lamp, the radiating effect is good, effectively guarantees the life of LED lamp, and effectively utilizes the cold and hot convection current of natural wind-force heat dissipation and ammonia, thereby effective energy saving reduces the energy loss.
When the temperature in the shell 2 continuously rises and the ventilation channel 7 and the radiating pipe 5 cannot perform normal radiating, because the controller 11 is electrically connected with the fans 9, two fans 9 are arranged, the two fans 9 are respectively and fixedly connected with two ends in the ventilation channel 7, the two fans 9 are both electrically connected with the controller 11, a sliding groove 12 is formed in the controller 11, the magnetic bar 13 is slidably connected in the sliding groove 12, the magnetic bar 13 is fixedly connected with a push rod 14, two ends of a limiting spring 15 are respectively and fixedly connected with the magnetic bar 13 and the controller 11, two contact blocks 16 are arranged, one contact block 16 is fixedly connected with the push rod 14, the other contact block 16 is fixedly connected in the controller 11, the two contact blocks 16 are movably connected, the two contact blocks 16 are electrically connected with the controller 11, when the movable magnetic block 17 rotates to be close to the magnetic bar 13, the movable magnetic block 17 is in homopolar connection with the magnetic bar 13, the bimetallic strip 18 is formed by connecting metals with different thermal expansion coefficients, one end of the bimetallic strip 18 is provided with a connecting rod which is fixedly connected with the movable magnetic block 17, and the other end of the bimetallic strip 18 is fixedly connected inside the shell 2, so that when the temperature rises, the bimetallic strip 18 is heated to rotate, the bimetallic strip 18 drives the movable magnetic block 17 to rotate, the movable magnetic block 17 is in homopolar connection with the magnetic rod 13, the magnetic rod 13 slides leftwards under the action of repulsion force, the magnetic rod 13 compresses the limiting spring 15 and pushes the push rod 14 to move leftwards, the two contact blocks 16 are in mutual contact, the controller 11 controls the fan 9 to start, the air flow rate inside the ventilation channel 7 is increased by the fan 9, the heat dissipation effect is further increased, the multi-stage heat dissipation effect is achieved, the fan 9 is prevented from being opened for a long time, the electric energy waste of the device is reduced, the energy is effectively saved, and the heat dissipation effect is effectively ensured, the service life of the LED street lamp is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a LED street lamp heat abstractor that possesses multistage heat dissipation, includes bracing piece (1), its characterized in that: the outside swing joint of bracing piece (1) has casing (2), the inside fixedly connected with fixed plate (3) of casing (2), the bottom fixedly connected with lamp holder (4) of fixed plate (3), the inside fixedly connected with cooling tube (5) of casing (2), the top fixedly connected with evaporating chamber (6) of cooling tube (5), the inside fixedly connected with ventiduct (7) of casing (2), the outside fixedly connected with fin (8) of ventiduct (7), the inside fixedly connected with fan (9) of ventiduct (7), the inside fixedly connected with circuit board (10) of casing (2), the inside fixedly connected with controller (11) of casing (2), spout (12) has been seted up to the inside of controller (11), the inside sliding connection of spout (12) has magnetic rod (13), the left end fixedly connected with push rod (14) of bar magnet (13), spacing spring (15) have been cup jointed to the outside of push rod (14), the left end fixedly connected with feeler block (16) of push rod (14), the outside swing joint of bar magnet (13) has movable magnetic block (17), the outside fixedly connected with bimetallic strip (18) of movable magnetic block (17).
2. The heat sink with multi-stage heat dissipation for LED street lamp according to claim 1, wherein: the radiating pipe (5) penetrates through the inside of the shell (2), and liquid ammonia is arranged inside the radiating pipe (5).
3. The heat sink with multi-stage heat dissipation for LED street lamp according to claim 1, wherein: evaporating chamber (6) are provided with two, and two evaporating chambers (6) are fixed connection respectively at the top at cooling tube (5) both ends, and evaporating chamber (6) are located the top of casing (2), and two evaporating chambers (6) all communicate with cooling tube (5), and the outside of two evaporating chambers (6) all is provided with the arris piece.
4. The heat sink with multi-stage heat dissipation for LED street lamp according to claim 1, wherein: the ventilation duct (7) penetrates through the shell (2), the cooling fins (8) penetrate through the ventilation duct (7), and the cooling fins (8) are movably connected to the inside of the shell (2).
5. The heat sink with multi-stage heat dissipation for LED street lamp according to claim 1, wherein: fan (9) are provided with two, and two fan (9) are fixed connection respectively at the inside both ends of ventiduct (7), and two fan (9) all are connected with controller (11) electric connection.
6. The heat sink with multi-stage heat dissipation for LED street lamp according to claim 1, wherein: and two ends of the limiting spring (15) are respectively and fixedly connected with the magnetic bar (13) and the controller (11).
7. The heat sink with multi-stage heat dissipation for LED street lamp according to claim 1, wherein: the touch block (16) is provided with two touch blocks, one touch block (16) is fixedly connected with the push rod (14), the other touch block (16) is fixedly connected in the controller (11), the two touch blocks (16) are movably connected, and the two touch blocks (16) are electrically connected with the controller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010529706.2A CN111578243B (en) | 2020-06-11 | 2020-06-11 | LED street lamp heat dissipation device with multistage heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010529706.2A CN111578243B (en) | 2020-06-11 | 2020-06-11 | LED street lamp heat dissipation device with multistage heat dissipation function |
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| CN111578243A CN111578243A (en) | 2020-08-25 |
| CN111578243B true CN111578243B (en) | 2022-01-04 |
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| CN202010529706.2A Active CN111578243B (en) | 2020-06-11 | 2020-06-11 | LED street lamp heat dissipation device with multistage heat dissipation function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112503493B (en) * | 2020-12-10 | 2021-10-29 | 海宁康铭照明电器有限公司 | Intelligent heat abstractor is assisted to new forms of energy street lamp |
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| CN208750668U (en) * | 2018-11-07 | 2019-04-16 | 东莞市隆慧电子科技有限公司 | A kind of LED lamp heat sink equipped with clamping structure |
| CN110410716A (en) * | 2018-04-28 | 2019-11-05 | 冯沃根 | LED lamp |
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2020
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| EP0027361A1 (en) * | 1979-10-11 | 1981-04-22 | Olympus Optical Co., Ltd. | Light source assembly for endoscope |
| CN101225946A (en) * | 2008-01-22 | 2008-07-23 | 西安交通大学 | LED lighting device capable of recovery heat |
| CN101338888A (en) * | 2008-06-27 | 2009-01-07 | 北京紫兴离照明科技有限公司 | Street light fitting with luminous diode heat radiating device |
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| CN204372865U (en) * | 2014-12-19 | 2015-06-03 | 深圳市新昂威照明有限公司 | A kind of high-power LED lamp cooling device |
| JP3206160U (en) * | 2016-06-22 | 2016-09-01 | 湘潭瑞▲亞▼普光▲電▼科技有限公司 | LED ceiling light |
| CN207094398U (en) * | 2017-06-19 | 2018-03-13 | 深圳市天亿照明工程有限公司 | A kind of underground lamp |
| CN207740895U (en) * | 2018-01-15 | 2018-08-17 | 江门市沐林尚照明电器有限公司 | A kind of mechanical double-way temperature control high-power LED tube light radiator |
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| CN208750668U (en) * | 2018-11-07 | 2019-04-16 | 东莞市隆慧电子科技有限公司 | A kind of LED lamp heat sink equipped with clamping structure |
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| CN111578243A (en) | 2020-08-25 |
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