CN109764255B - Adjustable heat dissipation type LED lamp - Google Patents
Adjustable heat dissipation type LED lamp Download PDFInfo
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- CN109764255B CN109764255B CN201910224041.1A CN201910224041A CN109764255B CN 109764255 B CN109764255 B CN 109764255B CN 201910224041 A CN201910224041 A CN 201910224041A CN 109764255 B CN109764255 B CN 109764255B
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Abstract
The invention discloses an adjustable heat dissipation type LED lamp which comprises a shell, a lamp body and a lower fixing ring, wherein the lamp body is positioned on the inner side of the shell, the lower end of the shell is fixedly connected with the lower fixing ring through a bolt, an upper fixing ring is arranged above the lower fixing ring, a mounting seat is arranged at the circular position of the upper fixing ring, and an air guide plate is arranged on the inner side of the lower fixing ring; according to the LED lamp, the shell is arranged above the lower fixing ring, so that air can flow in and out conveniently, and the driving motor is started to drive the heat dissipation fan to dissipate heat of the lamp body; the distance between the radiating fan and the lamp body is convenient to control, so that the best radiating effect is achieved, the radiating fan of the LED lamp rises stably, and the LED lamp is convenient to adjust, stable and safe; through the cooperation of the inner peripheral surface positioning column of the shell and the arc-shaped groove on the inner side of the positioning block, the stability of the installation of the shell is ensured, and the shell is prevented from loosening in the use process.
Description
Technical Field
The invention relates to the technical field of LED lamps, in particular to an adjustable heat dissipation type LED lamp.
Background
With continuous exploration of people in various scientific fields, the LED is produced, is a great innovation of the optical world, is a green technical light revolution, is used for manufacturing an indicating light source of instruments and meters at first, and is successfully applied to LEDs with various light colors in traffic signal lamps and large-area display screens later, so that good economic benefit and social benefit are generated. Along with the continuous progress of modern society and the continuous improvement of living standard of people, people are pursuing better life, LED lamps are more and more diversified, the LED lamps are started to enter common families and are used for decorating residences or providing illumination, the colors are various, the types are different, the LED lamps with different functions are rather loved by people, the LED lamps have the advantages of small volume, low power consumption, long service life, firmness, durability, environmental protection and the like, are rather loved by people, and along with the development of science and technology and the progress of society, the LED lamps are more and more diversified and mature;
the heat dissipation mechanism in the existing LED lamp usually adopts a fixed mounting structure, the LED lamp of the type is not convenient to adjust, the heat dissipation performance can not be adjusted, the heat dissipation effect is poor, the over-high temperature of the lamp body is easily caused, the service life of the lamp body is shortened, and therefore the use requirements of people at present can not be met.
Disclosure of Invention
The invention aims to provide an adjustable heat dissipation type LED lamp, wherein a shell is arranged above a lower fixing ring, and a supporting plate and a supporting ring are arranged on the bottom surface of the lower fixing ring for supporting, so that an air port is reserved between the shell and the bottom surface, air flow can conveniently enter the shell; the threaded rod drives the air guide plate to lift by rotating the threaded sleeve column, so that the heat dissipation fan is driven to lift, the distance between the heat dissipation fan and the lamp body is controlled, the best heat dissipation effect is achieved, the guide rail and the sliding plate are fixedly arranged on the outer peripheral surface of the fixed ring plate and the outer surface of the air guide plate respectively, the guide rail and the sliding plate are in sliding fit, one end of the positioning plate is arranged in the guide groove, and therefore the air guide plate, the driving motor and the heat dissipation fan are guaranteed to lift stably, and the LED lamp is convenient to adjust, stable and safe; the positioning blocks are connected on the outer peripheral face of the upper fixing ring through the connecting rod, so that the positioning columns are matched with the arc-shaped grooves in the inner sides of the positioning blocks, the stability of the installation of the shell is guaranteed, and the shell is prevented from loosening in the using process.
The purpose of the invention can be realized by the following technical scheme:
an adjustable heat dissipation type LED lamp comprises a shell, a lamp body and a lower fixing ring, wherein the lamp body is located on the inner side of the shell, and the lower end of the shell is fixedly connected with the lower fixing ring through a bolt;
an upper fixing ring is arranged above the lower fixing ring, four connecting plates are longitudinally arranged between the upper fixing ring and the lower fixing ring, four connecting ends are fixed on the inner circumferential surface of the lower fixing ring through welding, the four connecting ends are distributed in an equal radian annular shape, the four connecting ends correspond to the four connecting plates one by one, the upper ends of the connecting plates are fixedly connected with the outer circumferential surface of the upper fixing ring through welding, and the lower ends of the connecting plates are fixedly connected with the corresponding connecting ends;
the lamp body is characterized in that a mounting seat is arranged at the circle center of the upper fixing ring, two fixing rods are symmetrically arranged on the outer side of the mounting seat, two ends of each fixing rod are fixed to the outer peripheral surface of the mounting seat and the inner peripheral surface of the upper fixing ring respectively through welding, and the bottom end of the lamp body is fixedly connected with the mounting seat;
the inboard of lower fixed ring is provided with the air deflector, the top fixed mounting of air deflector has driving motor, driving motor's outer peripheral face has four locating plates that are radian annular distribution such as through welded fastening, driving motor's upper end is provided with output shaft and its tip fixed mounting has radiator fan, radiator fan's top is provided with the positioning seat, the outer peripheral face of positioning seat is provided with a plurality of location blade, and a plurality of the location blade is radian annular distribution such as, the outside of positioning seat is provided with the retaining ring board, the outer peripheral face of retaining ring board passes through the internal surface fixation of welding and connecting plate.
Further, the bottom surface of the lower fixing ring is fixedly provided with four supporting plates through welding, the supporting plates are evenly distributed in equal radian, and the supporting plates are vertically arranged and are fixedly provided with supporting rings arranged horizontally at the bottom ends.
The positioning plate is characterized in that a guide groove is longitudinally formed in the surface of the connecting plate, one end, far away from the driving motor, of the positioning plate is arranged on the inner side of the guide groove, and the positioning plate is in clearance fit with the guide groove.
Further, a plurality of connecting rods are fixedly mounted on the outer peripheral surface of the upper fixing ring and distributed in an annular shape with equal radian, an arc-shaped positioning block is fixedly connected to one end of each connecting rod, an arc-shaped groove is formed in the inner side of each positioning block, a plurality of positioning columns are annularly arranged on the inner peripheral surface of the shell body with equal radian, and the positioning columns are matched with the arc-shaped grooves.
The positioning seat is arranged on the inner side of the annular through groove, and the positioning blade is arranged on the inner side of the annular through groove.
The lamp body is characterized in that the bottom of the lamp body is annularly provided with heat dissipation fins, and the upper part of the outer peripheral surface of the shell is annularly provided with a plurality of strip-shaped through grooves in equal radian.
Further, a plurality of guide rails are fixedly connected to the outer peripheral surface of the fixed ring plate, a plurality of sliding plates and a plurality of sliding plates are fixedly mounted on the outer side of the air guide plate, the guide rails and the sliding plates are in one-to-one correspondence, the guide rails and the sliding plates are longitudinally arranged and are in sliding fit, a plurality of connecting seats are fixedly mounted on the outer peripheral surface of the fixed ring plate, a regulating plate is fixedly connected to one side of the connecting seats through bolts, a threaded rod and a threaded sleeve column are fixedly mounted on one end of the regulating plate and the outer surface of the corresponding air guide plate through bolts, and are arranged between the threaded rods and are in threaded fit with the two threaded rods.
Further, the specific working steps of the LED lamp are as follows:
the method comprises the following steps: the screw thread sleeve column is rotated forward or reversely, the screw thread sleeve column drives the two screw rods matched with the screw thread sleeve column to pull the air guide plate to move upwards or downwards, the air guide plate drives the driving motor fixed above the air guide plate to move upwards or downwards, and the driving motor drives the heat dissipation fan to move upwards or downwards so as to adjust the height of the heat dissipation fan;
step two: the driving motor is started, the output shaft of the driving motor rotates and drives the heat dissipation fan to rotate, the heat dissipation fan drives air to flow while rotating, air enters from the space between the shell and the bottom surface, the air flows upwards to the bottom of the lamp body under the rotation of the heat dissipation fan, the heat dissipation fins transfer heat to the air, and the air finally flows out from the strip-shaped through grooves in the upper portion of the shell and brings the air with the heat to the outside of the shell.
The invention has the beneficial effects that:
according to the LED lamp, the shell is arranged above the lower fixing ring, the bottom surface of the lower fixing ring is provided with the supporting plate and the supporting ring for supporting, so that an air opening is reserved between the shell and the bottom surface, air flow can conveniently enter the shell, the strip-shaped through groove is formed in the shell, air flow can conveniently exit the shell, and the driving motor is started to drive the cooling fan to rotate, so that air in the shell is driven to flow to cool the lamp body;
the threaded rod drives the air guide plate to lift by rotating the threaded sleeve column, so that the heat dissipation fan is driven to lift, the distance between the heat dissipation fan and the lamp body is controlled, the best heat dissipation effect is achieved, the guide rail and the sliding plate are fixedly arranged on the outer peripheral surface of the fixed ring plate and the outer surface of the air guide plate respectively, the guide rail and the sliding plate are in sliding fit, one end of the positioning plate is arranged in the guide groove, and therefore the air guide plate, the driving motor and the heat dissipation fan are guaranteed to lift stably, and the LED lamp is convenient to adjust, stable and safe;
the positioning blocks are connected on the outer peripheral face of the upper fixing ring through the connecting rod, so that the positioning columns are matched with the arc-shaped grooves in the inner sides of the positioning blocks, the stability of the installation of the shell is guaranteed, and the shell is prevented from loosening in the using process.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an adjustable heat dissipating LED lamp according to the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic structural diagram of an adjustable heat dissipation LED lamp according to the present invention;
FIG. 4 is a partial block diagram of an adjustable heat dissipating LED lamp according to the present invention.
In the figure: 1. a housing; 2. a lamp body; 3. a lower fixing ring; 4. a support plate; 5. a support ring; 6. an upper fixing ring; 7. a connecting plate; 8. a guide groove; 9. a stationary ring plate; 10. a gas guide plate; 11. positioning a plate; 12. a drive motor; 13. an annular through groove; 14. a connecting rod; 15. positioning blocks; 16. fixing the rod; 17. a mounting seat; 18. positioning seats; 19. heat dissipation fins; 20. a guide rail; 21. a slide plate; 22. a connecting seat; 23. an adjusting plate; 24. a threaded rod; 25. a threaded sleeve column; 26. a positioning column; 27. a through groove; 28. a connecting end; 29. a heat radiation fan; 30. the blade is positioned.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
As shown in fig. 1-4, an adjustable heat dissipation LED lamp includes a housing 1, a lamp body 2 and a lower fixing ring 3, wherein the lamp body 2 is located inside the housing 1, and the lower end of the housing 1 is fixedly connected to the lower fixing ring 3 through a bolt;
an upper fixing ring 6 is arranged above the lower fixing ring 3, four connecting plates 7 are longitudinally arranged between the upper fixing ring 6 and the lower fixing ring 3, four connecting ends 28 are fixed on the inner circumferential surface of the lower fixing ring 3 through welding, the four connecting ends 28 are distributed in an annular shape with equal radian, the four connecting ends 28 correspond to the four connecting plates 7 one by one, the upper end of each connecting plate 7 is fixedly connected with the outer circumferential surface of the upper fixing ring 6 through welding, and the lower end of each connecting plate 7 is fixedly connected with the corresponding connecting end 28;
the lamp body 2 is characterized in that a mounting seat 17 is arranged at the position of the circle center of the upper fixing ring 6, two fixing rods 16 are symmetrically arranged on the outer side of the mounting seat 17, two ends of each fixing rod 16 are fixed to the outer peripheral surface of the mounting seat 17 and the inner peripheral surface of the upper fixing ring 6 through welding, and the bottom end of the lamp body 2 is fixedly connected with the mounting seat 17;
the inboard of lower fixed ring 3 is provided with air guide plate 10, air guide plate 10's top fixed mounting has driving motor 12, driving motor 12's outer peripheral face has four locating plates 11 that are radian annular distributions such as through welded fastening, driving motor 12's upper end is provided with output shaft and its tip fixed mounting has radiator fan 29, radiator fan 29's top is provided with positioning seat 18, positioning seat 18's outer peripheral face is provided with a plurality of positioning blade 30, and a plurality of positioning blade 30 is radian annular distributions such as, positioning seat 18's the outside is provided with fixed ring board 9, fixed ring board 9's outer peripheral face passes through the internal surface mounting of welding and connecting plate 7.
The underrun fixed ring 3's bottom surface has four backup pads 4, and four through welded fastening backup pad 4 is radian evenly distributed such as, backup pad 4 is vertical setting and its bottom fixed mounting has support ring 5 that is the level setting.
The surface of the connecting plate 7 is longitudinally provided with a guide groove 8, one end of the positioning plate 11, which is far away from the driving motor 12, is arranged on the inner side of the guide groove 8, and the positioning plate 11 and the guide groove 8 are in clearance fit.
The outer peripheral face fixed mounting of upper fixed ring 6 has a plurality of connecting rod 14, and a plurality of connecting rod 14 is the annular distribution of radian such as, the curved locating piece 15 of one end fixedly connected with of connecting rod 14, the inboard of locating piece 15 is provided with the arc wall, the annular of radian such as inner peripheral surface of casing 1 is provided with a plurality of reference column 26, reference column 26 cooperatees with the arc wall.
Annular through groove 13 is seted up to the week side surface of fixed ring board 9, the one end that positioning blade 30 kept away from positioning seat 18 sets up in the inboard of annular through groove 13, positioning blade 30 and annular through groove 13 clearance fit.
The bottom of the lamp body 2 is annularly provided with a heat radiation fin 19, and the upper part of the outer peripheral surface of the shell 1 is annularly provided with a plurality of strip-shaped through grooves 27 with equal radian.
The outer peripheral face fixedly connected with a plurality of guide rail 20 of retainer plate 9, the outside fixed mounting of air guide plate 10 has a plurality of slide 21, and a plurality of guide rail 20 and a plurality of slide 21 one-to-one, guide rail 20 and slide 21 all are vertical setting, just guide rail 20 and slide 21 sliding fit, the outer peripheral face of retainer plate 9 still fixed mounting has a plurality of connecting seat 22, bolt fixedly connected with regulating plate 23 is passed through to one side of connecting seat 22, the one end of regulating plate 23 and the corresponding surface of air guide plate 10 all have a threaded rod 24, two through bolt fixed mounting be provided with screw sleeve post 25 between the threaded rod 24, just screw sleeve post 25 all is screw-thread fit with two threaded rods 24.
The LED lamp comprises the following specific working steps:
the method comprises the following steps: the threaded sleeve column 25 is rotated forward or reversely, the threaded sleeve column 25 drives the two threaded rods 24 in threaded fit with the threaded sleeve column to pull the air guide plate 10 to move upwards or downwards, the air guide plate 10 drives the driving motor 12 fixed above the air guide plate to move upwards or downwards, and the driving motor 12 drives the heat dissipation fan 29 to move upwards or downwards so as to adjust the height of the heat dissipation fan 29;
step two: the driving motor 12 is started, the output shaft of the driving motor 12 rotates and drives the heat dissipation fan 29 to rotate, the heat dissipation fan 29 rotates and drives air to flow, air enters from the space between the shell 1 and the bottom surface, the air flows upwards to the bottom of the lamp body 2 under the rotation of the heat dissipation fan 29, the heat dissipation fins 19 transfer heat to the air, and the air finally flows out from the strip-shaped through groove 27 at the upper part of the shell 1 and brings the air with the heat to the outside of the shell 1.
According to the LED lamp, the shell 1 is arranged above the lower fixing ring 3, the bottom surface of the lower fixing ring 3 is provided with the supporting plate 4 and the supporting ring 5 for supporting, so that an air opening is reserved between the shell 1 and the bottom surface, air flow can conveniently enter, the shell 1 is provided with the strip-shaped through groove 27, air flow is convenient to flow out, and the driving motor 12 is started to drive the cooling fan to rotate 29, so that air in the shell 1 is driven to flow to cool the lamp body 2;
the threaded rod 24 drives the air guide plate 10 to lift through rotating the threaded sleeve column 25, so that the heat dissipation fan 29 is driven to lift, the distance between the heat dissipation fan 29 and the lamp body 2 is controlled, the best heat dissipation effect is achieved, the guide rail 20 and the sliding plate 21 are fixedly arranged on the outer peripheral surface of the fixed ring plate 9 and the outer surface of the air guide plate 10 respectively, the guide rail 20 and the sliding plate 21 are in sliding fit, one end of the positioning plate 11 is arranged in the guide groove 8, so that the air guide plate 10, the driving motor 12 and the heat dissipation fan 29 are ensured to lift stably, and the LED lamp is convenient to adjust, stable and safe;
through the inner peripheral surface at casing 1 annular set up a plurality of reference column 26, pass through connecting rod 14 at last solid fixed ring 6's outer peripheral face and connect locating piece 15, make reference column 26 and the inboard arc wall of locating piece 15 cooperate, guaranteed the stability of casing 1 installation, prevent that casing 1 is not hard up in the use.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The adjustable heat dissipation type LED lamp is characterized by comprising a shell (1), a lamp body (2) and a lower fixing ring (3), wherein the lamp body (2) is located on the inner side of the shell (1), and the lower end of the shell (1) is fixedly connected with the lower fixing ring (3) through a bolt;
an upper fixing ring (6) is arranged above the lower fixing ring (3), four connecting plates (7) are longitudinally arranged between the upper fixing ring (6) and the lower fixing ring (3), four connecting ends (28) are fixed on the inner circumferential surface of the lower fixing ring (3) through welding, the four connecting ends (28) are distributed annularly at equal radian, the four connecting ends (28) correspond to the four connecting plates (7) one by one, the upper ends of the connecting plates (7) are fixedly connected with the outer circumferential surface of the upper fixing ring (6) through welding, and the lower ends of the connecting plates (7) are fixedly connected with the corresponding connecting ends (28);
the lamp body is characterized in that an installation seat (17) is arranged at the position of the circle center of the upper fixing ring (6), two fixing rods (16) are symmetrically arranged on the outer side of the installation seat (17), two ends of each fixing rod (16) are fixed to the outer peripheral surface of the installation seat (17) and the inner peripheral surface of the upper fixing ring (6) through welding, and the bottom end of the lamp body (2) is fixedly connected with the installation seat (17);
the inner side of the lower fixing ring (3) is provided with an air guide plate (10), a driving motor (12) is fixedly mounted above the air guide plate (10), four positioning plates (11) which are distributed in an annular shape with equal radian are fixedly welded on the peripheral surface of the driving motor (12), an output shaft is arranged at the upper end of the driving motor (12), a heat radiation fan (29) is fixedly mounted at the end part of the output shaft, a positioning seat (18) is arranged above the heat radiation fan (29), a plurality of positioning blades (30) are arranged on the peripheral surface of the positioning seat (18), the plurality of positioning blades (30) are distributed in an annular shape with equal radian, a fixing ring plate (9) is arranged on the outer side of the positioning seat (18), and the peripheral surface of the fixing ring plate (9) is fixed with the inner surface of the connecting plate (7;
a guide groove (8) is longitudinally formed in the surface of the connecting plate (7), one end, far away from the driving motor (12), of the positioning plate (11) is arranged on the inner side of the guide groove (8), and the positioning plate (11) is in clearance fit with the guide groove (8);
the peripheral surface of the fixed ring plate (9) is fixedly connected with a plurality of guide rails (20), the outer side of the air guide plate (10) is fixedly provided with a plurality of sliding plates (21), the guide rails (20) and the sliding plates (21) are in one-to-one correspondence, the guide rails (20) and the sliding plates (21) are longitudinally arranged, the guide rail (20) is in sliding fit with the sliding plate (21), the peripheral surface of the fixed ring plate (9) is also fixedly provided with a plurality of connecting seats (22), one side of the connecting seat (22) is fixedly connected with an adjusting plate (23) through a bolt, threaded rods (24) are fixedly arranged at one end of the adjusting plate (23) and the outer surface of the corresponding air guide plate (10) through bolts, a threaded sleeve column (25) is arranged between the two threaded rods (24), the threaded sleeve column (25) is in threaded fit with the two threaded rods (24);
the LED lamp comprises the following specific working steps:
the method comprises the following steps: the screw thread sleeve column (25) is rotated forward or reversely, the screw thread sleeve column (25) drives the two threaded rods (24) which are in threaded fit with the screw thread sleeve column to pull the air guide plate (10) to move upwards or downwards, the air guide plate (10) drives the driving motor (12) fixed above the air guide plate to move upwards or downwards, and the driving motor (12) drives the heat dissipation fan (29) to move upwards or downwards to adjust the height of the heat dissipation fan (29);
step two: the driving motor (12) is started, an output shaft of the driving motor (12) rotates and drives the heat dissipation fan (29) to rotate, the heat dissipation fan (29) rotates and drives air to flow, air enters from the space between the shell (1) and the bottom surface, the air flows upwards to the bottom of the lamp body (2) under the rotation of the heat dissipation fan (29), the heat is transferred to the air through the heat dissipation fins (19), and the air finally flows out from the strip-shaped through groove (27) in the upper portion of the shell (1) and brings the air with heat to the outside of the shell (1).
2. The adjustable heat dissipation type LED lamp according to claim 1, wherein the bottom surface of the lower fixing ring (3) is fixed with four supporting plates (4) by welding, the four supporting plates (4) are uniformly distributed with equal radian, the supporting plates (4) are longitudinally arranged, and the bottom ends of the supporting plates are fixedly provided with supporting rings (5) which are horizontally arranged.
3. The adjustable heat dissipation type LED lamp according to claim 1, wherein a plurality of connecting rods (14) are fixedly installed on the outer peripheral surface of the upper fixing ring (6), the connecting rods (14) are annularly distributed in an equal radian, an arc-shaped positioning block (15) is fixedly connected to one end of each connecting rod (14), an arc-shaped groove is formed in the inner side of each positioning block (15), a plurality of positioning columns (26) are annularly arranged on the inner peripheral surface of the shell (1) in an equal radian, and the positioning columns (26) are matched with the arc-shaped grooves.
4. The adjustable heat dissipation type LED lamp as claimed in claim 1, wherein an annular through groove (13) is formed in the circumferential side surface of the fixing ring plate (9), one end of the positioning blade (30) away from the positioning seat (18) is disposed inside the annular through groove (13), and the positioning blade (30) is in clearance fit with the annular through groove (13).
5. The adjustable heat dissipation type LED lamp as claimed in claim 1, wherein the bottom of the lamp body (2) is annularly provided with heat dissipation fins (19), and the upper portion of the outer peripheral surface of the housing (1) is annularly provided with a plurality of strip-shaped through grooves (27) with equal radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224041.1A CN109764255B (en) | 2019-03-22 | 2019-03-22 | Adjustable heat dissipation type LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224041.1A CN109764255B (en) | 2019-03-22 | 2019-03-22 | Adjustable heat dissipation type LED lamp |
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| CN109764255A CN109764255A (en) | 2019-05-17 |
| CN109764255B true CN109764255B (en) | 2020-06-30 |
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| CN201910224041.1A Active CN109764255B (en) | 2019-03-22 | 2019-03-22 | Adjustable heat dissipation type LED lamp |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114659040B (en) * | 2022-03-25 | 2024-03-29 | 宁波步来特电器有限公司 | LED lamp capable of automatically adjusting temperature |
| CN114812864B (en) * | 2022-06-23 | 2022-11-08 | 江苏日盈电子股份有限公司 | Air inlet temperature sensor for automobile engine and assembling mechanism thereof |
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| CN109764255A (en) | 2019-05-17 |
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