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CN109386747B - LED light source - Google Patents

LED light source Download PDF

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Publication number
CN109386747B
CN109386747B CN201811109408.7A CN201811109408A CN109386747B CN 109386747 B CN109386747 B CN 109386747B CN 201811109408 A CN201811109408 A CN 201811109408A CN 109386747 B CN109386747 B CN 109386747B
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China
Prior art keywords
lamp
tube
heat
light source
led light
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CN201811109408.7A
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Chinese (zh)
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CN109386747A (en
Inventor
楼展积
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First Affiliated Hospital of Naval Military Medical University of PLA
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Individual
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Priority to CN201811109408.7A priority Critical patent/CN109386747B/en
Publication of CN109386747A publication Critical patent/CN109386747A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0055Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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

Abstract

The invention discloses an LED light source, which comprises a shell, a first lamp body, a second lamp body and a heat dissipation assembly, wherein the first lamp body is arranged on the shell; the shell comprises a bottom supporting plate, a circular ring plate and a top cover plate, the circular ring plate is fixedly connected to the outer peripheral surface of the bottom supporting plate, and the top cover plate is arranged on the upper surface of the circular ring plate; the first lamp body comprises a first lamp tube, a first lamp holder and a first conductive connecting end; the second lamp body comprises a second lamp tube, a second lamp holder and a second conductive connecting end; the heat dissipation assembly comprises a bearing seat, a rotating shaft and heat dissipation blades; according to the LED lamp, the heat-conducting silicone grease is filled in the groove of the LED lamp, and the heat dissipation assemblies are arranged on the inner sides of the first lamp tube and the second lamp tube, so that the heat dissipation effect is good, and the service life of the LED light source is ensured; the first lamp body is convenient to mount and dismount, and the intensity of the light source is convenient to change, so that the requirements of people on light sources with different brightness are met; the LED light is convenient to disassemble and clean and maintain, and the lighting effect of the LED light source is ensured.

Description

LED light source
Technical Field
The invention relates to the technical field of LEDs, in particular to an LED light source.
Background
The LED light source is a light-emitting diode light source, and due to the characteristics of long service life, high efficiency, small size and the like, the LED light source is favored by people, the use prospect of the LED light source is very wide, the existing LED light source generally adopts heat dissipation fins for heat dissipation, the heat dissipation mode has poor effect, particularly for a high-power LED lamp, the heat dissipation fins hardly meet the requirements of the LED lamp, the general LED lamp adopts an integral fixing mode, the LED lamp with the light source intensity rarely changed, most of modes for changing the LED lamp are realized by controlling current, the mode is complex, the cost is expensive compared with the common LED lamp, the LED lamp adopts a screw fixing mode during installation, and the LED lamp is difficult to disassemble and clean.
Disclosure of Invention
The invention aims to provide an LED light source which is easy to radiate heat, can change the intensity of the light source and is convenient to maintain, the heat-conducting silicone grease is filled in the groove of the LED lamp, and the heat radiation components are arranged on the inner sides of the first lamp tube and the second lamp tube, so that the heat radiation effect is good, and the service life of the LED light source is ensured; the first lamp body is convenient to mount and dismount, so that the intensity of the light source is changed, and the requirements of people on light sources with different brightness are met; the LED light is convenient to disassemble and clean and maintain, and the lighting effect of the LED light source is ensured.
The purpose of the invention can be realized by the following technical scheme:
an LED light source comprises a shell, a first lamp body, a second lamp body and a heat dissipation assembly;
the shell comprises a bottom supporting plate, a circular ring plate and a top cover plate, the circular ring plate is fixedly connected to the outer peripheral surface of the bottom supporting plate, the top cover plate is arranged on the upper surface of the circular ring plate, a first mounting hole and a plurality of first curved through holes are formed in the bottom surface of the bottom supporting plate, the first mounting hole is located in the center of the bottom surface of the bottom supporting plate, the first curved through holes are radially and uniformly distributed around the first mounting hole, two mounting bases are fixedly connected to the upper surface of the bottom supporting plate and symmetrically distributed on the upper surface of the bottom supporting plate, the first circular through holes are formed in the upper surface of the mounting bases, threaded holes are formed in the inner sides of the mounting bases, the first circular through holes are communicated with the threaded holes, and the threaded holes penetrate through the bottom supporting plate;
the first lamp body comprises two first lamp tubes, two first lamp holders and two first conductive connecting ends, the two first lamp tubes are connected to the bottom surface of the bottom supporting plate and are distributed in parallel, the first lamp holders are fixedly installed on the upper surface of the bottom supporting plate and are oppositely arranged on the upper surface of the bottom supporting plate, and the first conductive connecting ends are arranged at the upper ends of the first lamp holders;
the second lamp body comprises two second lamp tubes, two second lamp holders and two second conductive connecting ends, the number of the second lamp bodies is two, the second lamp tubes of the two second lamp bodies are parallel to the first lamp tubes and are positioned on two sides of the first lamp tubes, the second lamp tubes are fixedly connected with the lower ends of the second lamp holders, external threads matched with the threaded holes are arranged on the outer peripheral surfaces of the second lamp holders, the second lamp holders are installed on the inner side of the installation base through the threaded holes, and the second conductive connecting ends are fixedly connected to the top ends of the second lamp holders;
the radiator unit includes bearing frame, pivot and radiator vane, bearing frame fixed mounting is in the upper surface department of bottom fagging, just the bearing frame is located the central point of bottom fagging upper surface and puts, the inboard of bearing frame is connected with the pivot through the bearing rotation, the below that first mounting hole just extended to the bottom fagging is passed to the one end of pivot, radiator vane fixed mounting is in the pivot of bottom fagging below.
Furthermore, a second mounting hole and a plurality of second curved through holes are formed in the upper surface of the top cover plate, the second mounting hole is located in the center of the upper surface of the top cover plate, and the plurality of second curved through holes are radially and uniformly distributed around the second mounting hole.
Furthermore, the upper surface of the bearing seat is fixedly connected with an insulation fixing column, the upper end of the insulation fixing column is sleeved with a conductive copper sheet, and the conductive copper sheet is electrically connected with the first conductive connecting end and the second conductive connecting end respectively.
Furthermore, a plurality of radiating fins are vertically fixed on the upper surface of the bottom supporting plate, the radiating fins are divided into four groups and are annularly distributed around the bearing seat, and two ends of each group of radiating fins are fixedly connected with the mounting base and the first lamp holder respectively.
Further, the inner sides of the first lamp tube and the second lamp tube are provided with light emitting assemblies, each light emitting assembly comprises an LED lamp strip, a light emitting element is fixedly mounted on the surface of one side of each LED lamp strip, a heat conducting metal sheet is fixedly mounted on the surface of the other side of each LED lamp strip, the heat conducting metal sheets are mounted on the tube walls through heat conducting glue, a plurality of convex edges and tube walls are integrally formed at the inner walls of the first lamp tube and the second lamp tube respectively and are distributed at equal intervals, adjacent convex edges and tube walls are surrounded to form grooves, heat conducting silicone grease is arranged in the grooves, and second circular through holes are formed in the surfaces of the convex edges.
Furthermore, the first lamp tube and the second lamp tube are both U-shaped tubes.
Further, the height of the first lamp tube is 12cm, and the height of the second lamp tube is 9.5 cm.
Furthermore, the surface of each radiating blade is an arc-shaped surface, the number of the radiating blades is six, and the six radiating blades are radially and uniformly distributed on the surface of the rotating shaft.
Further, the radial directions of the first curved through hole, the second curved through hole and the radiating blades are consistent.
Further, the mounting steps of the light emitting assembly are as follows:
the method comprises the following steps: uniformly coating a layer of heat-conducting sealant on the surface of the heat-conducting metal sheet on one side of the LED lamp strip;
step two: placing an LED lamp strip provided with a light-emitting element along the wall of a U-shaped lamp tube, and enabling one side of a heat-conducting metal sheet to face to one side of the tube wall provided with convex edges;
step three: bending the elastic thin iron wire and placing the bent elastic thin iron wire along the wall of the U-shaped lamp tube, keeping two ends of the elastic thin iron wire above the tube opening of the lamp tube, holding two ends of the elastic thin iron wire by two hands simultaneously and slightly pressing the LED lamp strip provided with the light-emitting element to enable the surface of the heat-conducting metal sheet to be tightly attached to the end face of the convex edge;
step four: the heat-conducting silicone grease is absorbed by the injection tube, the head of the injection tube is sequentially aligned with the second round through holes on the surfaces of the convex ridges at the two ends of the tube opening of the lamp tube, and the heat-conducting silicone grease is injected into the inner side of the tube arm, enters the grooves enclosed by the convex ridges and the tube wall and downwards permeates through the second round through holes until all the grooves in the lamp tube are full of the heat-conducting silicone grease.
The invention has the beneficial effects that:
according to the LED lamp strip, the heat conducting metal sheet is arranged on one side of the LED lamp strip for conducting heat, the convex edges are arranged on the inner walls of the first lamp tube and the second lamp tube to form the grooves, and the heat conducting silicone grease is filled in the grooves, so that heat generated by the light emitting unit can be quickly transferred to the tube wall and transferred to air through the tube wall; according to the LED light source, the first lamp body is installed through the threaded hole, the first lamp body can be installed and detached at any time, and the intensity of the light source of the LED light source is changed, so that the requirements of people on light sources with different brightness are met; the first lamp body in the LED light source is convenient to mount and dismount, and the first lamp tube, the second lamp tube and the radiating blades are convenient to clean and maintain, so that the lighting effect of the LED light source is ensured.
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 perspective view of an LED light source according to the present invention;
FIG. 2 is a partial block diagram of an LED light source according to the present invention;
FIG. 3 is a partial block diagram of an LED light source according to the present invention;
FIG. 4 is a perspective view of an LED light source according to the present invention;
FIG. 5 is a partial block diagram of an LED light source according to the present invention;
fig. 6 is a three-dimensional structure diagram of a second lamp body in an LED light source of the present invention:
FIG. 7 is a cross-sectional view of the interior of a housing of an LED light source of the present invention;
FIG. 8 is a side cross-sectional view of a first tube or a second tube of an LED light source of the present invention;
FIG. 9 is a cross-sectional view of a first tube or a second tube of an LED light source of the present invention.
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, an LED light source includes a housing 1, a first lamp body 2, a second lamp body 3, and a heat dissipation assembly 4;
as shown in fig. 2, 3 and 4, the housing 1 includes a bottom supporting plate 11, a circular ring plate 12 and a top cover plate 13, the circular ring plate 12 is fixedly connected to the outer peripheral surface of the bottom supporting plate 11, the top cover plate 13 is disposed on the upper surface of the circular ring plate 12, a first mounting hole 111 and a plurality of first curved through holes 112 are formed in the bottom surface of the bottom supporting plate 11, the first mounting hole 111 is located at the center of the bottom surface of the bottom supporting plate 11, the plurality of first curved through holes 112 are radially and uniformly distributed around the first mounting hole 111, two mounting bases 5 are fixedly connected to the upper surface of the bottom supporting plate 11, the two mounting bases 5 are symmetrically distributed on the upper surface of the bottom supporting plate 11, a first circular through hole 51 is formed in the upper surface of the mounting base 5, a threaded hole 52 is formed in the inner side of the mounting base 5, the first circular through hole 51 is communicated with the threaded hole 52, the threaded hole 52 penetrates through the bottom supporting plate 11;
as shown in fig. 2 and 5, the first lamp body 2 includes two first lamp tubes 21, two first lamp sockets 22 and two first conductive connection terminals 23, the first lamp tubes 21 are connected to the bottom surface of the bottom supporting plate 11, the two first lamp tubes 21 are distributed in parallel, the first lamp sockets 22 are fixedly mounted on the upper surface of the bottom supporting plate 11, the first lamp sockets 22 are oppositely disposed on the upper surface of the bottom supporting plate 11, and the first conductive connection terminals 23 are disposed at the upper ends of the first lamp sockets 22;
as shown in fig. 6, the second lamp body 3 includes two second lamp tubes 31, two second lamp holders 32, and two second conductive connection terminals 33, the number of the second lamp bodies 3 is two, the second lamp tubes 31 of the two second lamp bodies 3 are both parallel to the first lamp tube 21, the two second lamp tubes 31 are located at two sides of the first lamp tube 21, the second lamp tubes 31 are fixedly connected to the lower end of the second lamp holders 32, external threads matched with the threaded holes 52 are disposed on the outer circumferential surface of the second lamp holders 32, the second lamp holders 32 are mounted on the inner side of the mounting base 5 through the threaded holes 52, and the second conductive connection terminals 33 are fixedly connected to the top ends of the second lamp holders 32;
as shown in fig. 2 and 5, the heat sink assembly 4 includes a bearing seat 41, a rotating shaft 42 and heat dissipating blades 43, the bearing seat 41 is fixedly installed at the upper surface of the bottom supporting plate 11, the bearing seat 41 is located at the center of the upper surface of the bottom supporting plate 11, the inner side of the bearing seat 41 is rotatably connected with the rotating shaft 42 through a bearing, one end of the rotating shaft 42 passes through the first installation hole 111 and extends to the lower portion of the bottom supporting plate 11, and the heat dissipating blades 43 are fixedly installed on the rotating shaft 42 below the bottom supporting plate 11.
As shown in fig. 4, a second mounting hole 131 and a plurality of second curved through holes 132 are formed in the upper surface of the top cover plate 13, the second mounting hole 131 is located at the center of the upper surface of the top cover plate 13, the second curved through holes 132 are radially and uniformly distributed around the second mounting hole 131, the second mounting hole is used for mounting a connecting wire, air heated by the first lamp 21 and the second lamp 31 rises and enters the inside of the housing along the first curved through hole 112, and then is discharged outwards through the second curved through holes 132 to form a circulating air flow, so that heat inside the housing 1 can be conveniently taken out.
As shown in fig. 2, an insulating fixing column 6 is fixedly connected to the upper surface of the bearing seat 41, a conductive copper sheet 7 is sleeved on the upper end of the insulating fixing column 6, the conductive copper sheets 7 are electrically connected to the first conductive connection end 23 and the second conductive connection end 33, respectively, a plurality of heat dissipation fins 8 are vertically fixed to the upper surface of the bottom supporting plate 11, the plurality of heat dissipation fins 8 are divided into four groups and annularly distributed around the bearing seat 41, two ends of each group of heat dissipation fins 8 are fixedly connected to the mounting base 5 and the first lamp holder 22, respectively, and the heat dissipation fins 8 are convenient for transferring the heat of the mounting base 5 and the heat of the first lamp holder 22 to the air and bringing the heat to the outside along with the air flow, so as to reduce the temperature inside.
As shown in fig. 7, 8 and 9, the inner sides of the first lamp tube 21 and the second lamp tube 31 are both provided with a light emitting assembly 9, the light emitting assembly 9 includes an LED strip 91, one side surface of the LED strip 91 is fixedly provided with a light emitting element 92, the other side surface is fixedly provided with a heat conducting metal sheet 93, the heat conducting metal sheet 93 is installed on the tube wall through heat conducting glue, the inner walls of the first lamp tube 21 and the second lamp tube 31 are both provided with a plurality of ribs 94, the ribs 94 are integrally formed with the tube wall, the plurality of ribs 94 are respectively distributed at the inner walls of the first lamp tube 21 and the second lamp tube 31 at equal intervals, the adjacent ribs 94 and the tube wall enclose to form a groove, the groove is provided with heat conducting silicone grease 96, the surface of the rib 94 is provided with a second circular through hole 95, the first lamp tube 21 and the second lamp tube 31 are both U-shaped tubes, the height of the first lamp, the height of the second lamp tube 31 is 9.5cm, so that the lamp tube damage caused by collision of the first lamp tube 21 and the second lamp tube 31 when the second lamp body 3 rotates is avoided.
As shown in fig. 5, the surface of the heat dissipating blades 43 is an arc surface, the number of the heat dissipating blades 43 is six, the six heat dissipating blades 43 are radially and uniformly distributed on the surface of the rotating shaft 42, and the radial directions of the first curved through hole 112, the second curved through hole 132 and the heat dissipating blades 43 are the same, so that air can flow into and out of the housing 1 quickly.
The light-emitting assembly is mounted by the following steps:
the method comprises the following steps: uniformly coating a layer of heat-conducting sealant on the surface of the heat-conducting metal sheet 93 on one side of the LED lamp strip 91;
step two: placing the LED strip 91 provided with the light emitting element 92 along the wall of the U-shaped tube, and making one side of the heat conducting metal sheet 93 face the side of the tube wall provided with the convex rib 94;
step three: bending the elastic thin iron wire and placing the bent elastic thin iron wire along the wall of the U-shaped lamp tube, keeping two ends of the elastic thin iron wire above the tube opening of the lamp tube, holding two ends of the elastic thin iron wire by two hands simultaneously and slightly pressing the LED lamp strip 91 provided with the light-emitting element 92, so that the surface of the heat-conducting metal sheet 93 is tightly attached to the end surface of the convex rib 94;
step four: the heat-conducting silicone grease 96 is absorbed by the injection tube, the head of the injection tube is aligned with the second round through holes 95 on the surfaces of the convex ribs 94 at the two ends of the tube opening of the lamp tube in sequence, the heat-conducting silicone grease 96 is injected to the inner side of the tube arm, and the heat-conducting silicone grease 96 enters the grooves enclosed by the convex ribs 94 and the tube wall and penetrates downwards through the second round through holes 95 until all the grooves in the lamp tube are filled.
The working principle and the mode of the invention are as follows:
when the LED light source is operated, the light emitting elements 92 inside the first lamp 21 and the second lamp 31 generate heat, and transmit the heat to the tube wall through the heat conducting metal plate 93, and at the same time, the heat conducting silicone grease 96 between the protruding ribs 94 can rapidly transmit the heat on the heat conducting metal plate to the tube wall, the heat on the tube wall of the first lamp 21 and the second lamp 31 is transmitted to the air, and the air around the first lamp 21 and the second lamp 31 is heated to start rising, and the rising air enters the interior of the housing through the first curved mounting holes 112 arranged on the bottom supporting plate 11, and finally flows out from the upper side of the housing 1 through the second curved through holes 132 arranged on the top cover plate 13;
the heated air rises continuously and flows into and out of the housing 1, and the air around the first lamp 21 and the second lamp 31 is supplemented rapidly, so as to form a circular flow of air, the flowing air pushes the heat dissipating blades 43 and makes the heat dissipating blades rotate through the rotating shaft 42, and the heat dissipating blades 43 accelerate the flow of the surrounding air while rotating, so that the heat of the first lamp 21 and the second lamp 31 can be transferred to the air and taken away rapidly.
According to the LED lamp strip, the heat conducting metal sheet is arranged on one side of the LED lamp strip for conducting heat, the convex edges are arranged on the inner walls of the first lamp tube and the second lamp tube to form the grooves, and the heat conducting silicone grease is filled in the grooves, so that heat generated by the light emitting unit can be quickly transferred to the tube wall and transferred to air through the tube wall; according to the LED light source, the first lamp body is installed through the threaded hole, the first lamp body can be installed and detached at any time, and the intensity of the light source of the LED light source is changed, so that the requirements of people on light sources with different brightness are met; the first lamp body in the LED light source is convenient to mount and dismount, and the first lamp tube, the second lamp tube and the radiating blades are convenient to clean and maintain, so that the lighting effect of the LED light source is ensured.
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 (10)

1. An LED light source is characterized by comprising a shell (1), a first lamp body (2), a second lamp body (3) and a heat dissipation component (4);
the shell (1) comprises a bottom supporting plate (11), a circular ring plate (12) and a top cover plate (13), the circular ring plate (12) is fixedly connected to the outer peripheral surface of the bottom supporting plate (11), the top cover plate (13) is arranged on the upper surface of the circular ring plate (12), a first mounting hole (111) and a plurality of first curved through holes (112) are formed in the bottom surface of the bottom supporting plate (11), the first mounting hole (111) is located at the central position of the bottom surface of the bottom supporting plate (11), the plurality of first curved through holes (112) are radially and uniformly distributed around the first mounting hole (111), two mounting bases (5) are fixedly connected to the upper surface of the bottom supporting plate (11), the two mounting bases (5) are symmetrically distributed on the upper surface of the bottom supporting plate (11), first circular through holes (51) are formed in the upper surface of the mounting bases (5), a threaded hole (52) is formed in the inner side of the mounting base (5), the first circular through hole (51) is communicated with the threaded hole (52), and the threaded hole (52) penetrates through the bottom supporting plate (11);
the first lamp body (2) comprises two first lamp tubes (21), two first lamp holders (22) and two first conductive connecting ends (23), the first lamp tubes (21) are connected to the bottom surface of the bottom supporting plate (11), the two first lamp tubes (21) are distributed in parallel, the first lamp holders (22) are fixedly mounted on the upper surface of the bottom supporting plate (11), the first lamp holders (22) are oppositely arranged on the upper surface of the bottom supporting plate (11), and the first conductive connecting ends (23) are arranged at the upper ends of the first lamp holders (22);
the number of the second lamp bodies (3) is two, the second lamp tubes (31) of the two second lamp bodies (3) are parallel to the first lamp tube (21), the two second lamp tubes (31) are located on two sides of the first lamp tube (21), the second lamp tubes (31) are fixedly connected with the lower end of the second lamp holder (32), external threads matched with the threaded holes (52) are arranged on the outer peripheral surface of the second lamp holder (32), the second lamp holder (32) is installed on the inner side of the installation base (5) through the threaded holes (52), and the second conductive connecting end (33) is fixedly connected to the top end of the second lamp holder (32);
radiator unit (4) are including bearing frame (41), pivot (42) and radiator vane (43), bearing frame (41) fixed mounting is in the upper surface department of bottom fagging (11), just bearing frame (41) are located the central point of bottom fagging (11) upper surface and put, the inboard of bearing frame (41) is rotated through the bearing and is connected with pivot (42), the below that first mounting hole (111) and extend to bottom fagging (11) is passed to the one end of pivot (42), radiator vane (43) fixed mounting is on pivot (42) of bottom fagging (11) below.
2. The LED light source according to claim 1, wherein a second mounting hole (131) and a plurality of second curved through holes (132) are formed in the upper surface of the top cover plate (13), the second mounting hole (131) is located in the center of the upper surface of the top cover plate (13), and the plurality of second curved through holes (132) are radially and uniformly distributed around the second mounting hole (131).
3. The LED light source according to claim 1, wherein an insulation fixing column (6) is fixedly connected to the upper surface of the bearing seat (41), a conductive copper sheet (7) is sleeved on the upper end of the insulation fixing column (6), and the conductive copper sheet (7) is electrically connected with the first conductive connecting end (23) and the second conductive connecting end (33) respectively.
4. The LED light source according to claim 1, wherein a plurality of heat dissipation fins (8) are vertically fixed on the upper surface of the bottom supporting plate (11), the plurality of heat dissipation fins (8) are divided into four groups and annularly distributed around the bearing seat (41), and two ends of each group of heat dissipation fins (8) are respectively and fixedly connected with the mounting base (5) and the first lamp holder (22).
5. The LED light source according to claim 1, wherein the inner sides of the first lamp tube (21) and the second lamp tube (31) are provided with light emitting components (9), the light emitting components (9) comprise LED strips (91), one side of each LED strip (91) is fixedly provided with a light emitting element (92), the other side of each LED strip is fixedly provided with a heat conducting metal sheet (93), the heat conducting metal sheets (93) are arranged on the tube walls through heat conducting glue, the inner walls of the first lamp tube (21) and the second lamp tube (31) are respectively provided with a plurality of ribs (94), the ribs (94) are integrally formed with the tube walls, the ribs (94) are respectively distributed at equal intervals on the inner walls of the first lamp tube (21) and the second lamp tube (31), the adjacent ribs (94) and the tube walls enclose to form grooves, and heat conducting silicone grease (96) is arranged in the grooves, the surface of the convex rib (94) is provided with a second round through hole (95).
6. An LED light source as claimed in claim 1, wherein the first (21) and second (31) tubes are U-shaped tubes.
7. An LED light source as claimed in claim 1, characterized in that the height of the first lamp vessel (21) is 12cm and the height of the second lamp vessel (31) is 9.5 cm.
8. The LED light source according to claim 1, wherein the surface of the heat dissipation blades (43) is an arc-shaped surface, the number of the heat dissipation blades (43) is six, and the six heat dissipation blades (43) are uniformly distributed on the surface of the rotating shaft (42) in a radial shape.
9. LED light source according to claim 1, characterised in that the first curved through hole (112), the second curved through hole (132) and the heat sink fins (43) have a radiation direction which coincides.
10. The LED light source of claim 5, wherein the light emitting assembly is mounted by:
the method comprises the following steps: uniformly coating a layer of heat-conducting sealant on the surface of the heat-conducting metal sheet (93) on one side of the LED lamp strip (91);
step two: putting the LED lamp strip (91) provided with the light-emitting element (92) along the tube wall of the U-shaped lamp tube, and enabling one side of the heat-conducting metal sheet (93) to face to one side, provided with the convex rib (94), of the tube wall;
step three: bending the elastic thin iron wire and putting the bent elastic thin iron wire along the wall of the U-shaped lamp tube, keeping two ends of the elastic thin iron wire above the tube opening of the lamp tube, simultaneously holding two ends of the elastic thin iron wire by two hands and slightly pressing the LED lamp strip (91) provided with the light-emitting element (92) so as to enable the surface of the heat-conducting metal sheet (93) to be tightly attached to the end surface of the convex rib (94);
step four: the heat-conducting silicone grease (96) is absorbed through the injection tube, the head of the injection tube is sequentially aligned with the second round through holes (95) on the surfaces of the ribs (94) at the two ends of the tube opening of the lamp tube, the heat-conducting silicone grease (96) is injected to the inner side of the tube arm, the heat-conducting silicone grease (96) enters the grooves enclosed by the ribs (94) and the tube wall and downwards permeates through the second round through holes (95) until all the grooves in the lamp tube are filled.
CN201811109408.7A 2018-09-21 2018-09-21 LED light source Active CN109386747B (en)

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CN202215972U (en) * 2011-07-07 2012-05-09 曾启超 U-type intersected light-emitting tube semiconductor energy-saving lamp
CN104613332A (en) * 2013-11-01 2015-05-13 杭州友旺科技有限公司 Light-emitting diode energy-saving lamp
CN205208182U (en) * 2015-12-01 2016-05-04 镇江飞力照明有限公司 U type pipe LED bulb

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US6223071B1 (en) * 1998-05-01 2001-04-24 Dusa Pharmaceuticals Inc. Illuminator for photodynamic therapy and diagnosis which produces substantially uniform intensity visible light
CN204227372U (en) * 2014-10-07 2015-03-25 浙江兰博照明科技有限公司 A kind of Novel work mine lamp

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US5167445A (en) * 1992-03-02 1992-12-01 Linnenkamp Steven R Side positioned aquarium illuminating device
CN101852381A (en) * 2009-03-31 2010-10-06 建兴电子科技股份有限公司 Variable color discharge lamp device
CN202215972U (en) * 2011-07-07 2012-05-09 曾启超 U-type intersected light-emitting tube semiconductor energy-saving lamp
CN104613332A (en) * 2013-11-01 2015-05-13 杭州友旺科技有限公司 Light-emitting diode energy-saving lamp
CN205208182U (en) * 2015-12-01 2016-05-04 镇江飞力照明有限公司 U type pipe LED bulb

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