CN109538998B - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN109538998B CN109538998B CN201811653131.4A CN201811653131A CN109538998B CN 109538998 B CN109538998 B CN 109538998B CN 201811653131 A CN201811653131 A CN 201811653131A CN 109538998 B CN109538998 B CN 109538998B
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- Prior art keywords
- led lamp
- heat
- circuit board
- flexible circuit
- pipe
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 67
- 239000011324 bead Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005286 illumination Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
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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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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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
- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an LED lamp which comprises a heat conduction pipe, an LED lamp strip and a flexible circuit board, wherein the flexible circuit board is bent to form a channel for positioning the heat conduction pipe, the heat conduction pipe stretches into the channel, and the outer side edge of the heat conduction pipe is fixedly connected with the flexible circuit board; the LED lamp strip is embedded on the side surface of the flexible circuit board, the heat conducting pipe and the LED lamp strip are arranged oppositely, and the LED lamp strip is fixedly attached to the heat conducting pipe; the LED light bar is electrically connected with the flexible circuit board. The LED lamp has the advantages of lower overall structure thickness, better lighting effect and heat conduction effect, simple structure, faster heat dissipation and low production cost.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to an LED lamp.
Background
The LED is an abbreviation of English light emitting diode (light-emitting diode), the basic structure of the LED is an electroluminescent semiconductor material chip, the electroluminescent semiconductor material chip is solidified on a bracket by silver glue or white glue, then the chip and a circuit board are connected by silver wires or gold wires, then the periphery of the LED is sealed by epoxy resin, the effect of protecting an internal core wire is achieved, and finally a shell is installed, so that the LED lamp has good anti-seismic performance. The application field of the LED lamp relates to two aspects of daily household appliances such as a mobile phone, a desk lamp, a household appliance and the like and mechanical production. At present, considering the heat dissipation and the luminance problem of illumination of LED lamp, in order to improve the performance in these two aspects, can improve the LED lamp generally, traditional improvement scheme is laminating the circuit board on two surfaces of heat conduction pipe respectively earlier, connect fixed LED lamp strip (including lamp pearl and control circuit's base plate) on the circuit board again, from this, two-layer structure has been separated between lamp pearl and the heat conduction pipe, can lead to the radiating effect relatively poor, and overall structure's thickness is great in addition, under the condition of thickness is big, the overlapping place of LED lamp pearl illumination of both sides face can appear illumination blind area because of having partial shielding, illumination luminance can reduce at least, and can make illumination focus insufficient, overall structure's heat conduction effect is slower.
Disclosure of Invention
Based on the defects of the prior art, the invention aims to provide the LED lamp, which has the advantages of lower overall structure thickness, better lighting effect and heat conduction effect, simple structure, faster heat dissipation and low production cost.
Based on the above, the technical scheme of the invention is as follows: the LED lamp comprises a heat conduction pipe, an LED lamp strip and a flexible circuit board, wherein the flexible circuit board is bent to form a channel for positioning the heat conduction pipe, the heat conduction pipe stretches into the channel, and the outer side edge of the heat conduction pipe is fixedly connected with the flexible circuit board;
the LED lamp strip is embedded on the side surface of the flexible circuit board, the heat conducting pipe and the LED lamp strip are arranged oppositely, and the LED lamp strip is fixedly attached to the heat conducting pipe;
the LED light bar is electrically connected with the flexible circuit board.
Optionally, the flexible circuit board includes two relatively arranged mainboards and two support boards respectively surrounding two opposite sides on the mainboards, two support boards with form between the two mainboards the passageway, the first tip of support board is followed the first tip of mainboard stretches out, the LED lamp strip is inlayed and is located on one of the two mainboards, the internal surface of support board with the outside edge fixed connection of heat pipe. .
Optionally, the internal surface of extension board be with the outside edge matched with concave surface of heat pipe, the LED lamp strip include control circuit board and electricity connect in lamp pearl on the control circuit board, the control circuit board with flexible circuit board electricity is connected, the lamp pearl laminating is fixed in on the heat pipe.
Optionally, the LED light bar and the heat conduction pipe are welded with each other.
Optionally, the second end of extension board with the second end of mainboard looks parallel and level, the LED lamp strip is located the center department of mainboard, the first end of heat pipe is followed the first end of extension board inserts in the passageway and with the second end of extension board looks parallel and level, the second end fixed mounting of heat pipe has the fan.
Optionally, the LED lamp further includes a first heat dissipation housing and a second heat dissipation housing, the first heat dissipation housing and the second heat dissipation housing are fastened to each other and connected, and a cavity is formed between the first heat dissipation housing and the second heat dissipation housing, and the flexible circuit board is disposed in the cavity.
Optionally, the outside cover of heat pipe is equipped with the fastener, the flexible circuit board is located in the fastener, first heat dissipation casing with the mutual joint of second heat dissipation casing with the fastener respectively.
Optionally, the first heat dissipation shell and the second heat dissipation shell are respectively provided with a light transmission groove.
Optionally, the LED lamp further includes a fixing base, an installation position matched with the fan is provided in the fixing base, the fan is set in the installation position, the fixing base is clamped at the bottoms of the first heat dissipation shell and the second heat dissipation shell, and the fixing base compresses the fan and fixes the first heat dissipation shell and the second heat dissipation shell.
Optionally, the thickness of the flexible circuit board is 0.1mm.
The embodiment of the invention has the following beneficial effects:
the LED lamp strip is embedded on the side surface of the flexible circuit board, the heat conducting pipe and the LED lamp strip are oppositely arranged, the LED lamp strip is fixedly attached to the heat conducting pipe, and the LED lamp strip is electrically connected with the flexible circuit board. Therefore, when the LED lamp is used, the LED lamp strip is directly and completely attached to the heat conducting tube, and is electrically connected with the flexible circuit board, so that thermoelectric separation of the LED lamp is effectively realized, the LED lamp can be powered through the flexible circuit board and conducts heat through the heat conducting tube, the flexible circuit board is connected to the outer side edge of the heat conducting tube, the thickness between the LED lamp strip and the heat conducting tube can be further reduced, the heat conducting effect is improved, and the illumination brightness of the LED lamp can be prevented from being reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an LED lamp according to the present invention.
Reference numerals illustrate:
1. the LED lamp comprises a heat conduction pipe, 2, an LED lamp strip, 3, a flexible circuit board, 31, a main board, 32, a support plate, 321, a first end part of the support plate, 322, a second end part of the support plate, 4, a channel, 5, a fan, 6, a first heat dissipation shell, 7, a second heat dissipation shell, 8, a cavity, 9, a clamping piece, 10, a light transmission groove, 11, a fixing base, 111, a mounting position, 12, an adapter plate, 13 and an electric wire.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1, the LED lamp according to the preferred embodiment includes a heat pipe 1, an LED light bar 2, and a flexible circuit board 3, wherein the flexible circuit board 3 is bent to form a channel 4 for positioning the heat pipe, the heat pipe 1 extends into the channel 4, and an outer edge of the heat pipe 1 is fixedly connected with the flexible circuit board 3; the LED light bar 2 is embedded on the side surface of the flexible circuit board 3, the heat conduction pipe 1 and the LED light bar 2 are arranged oppositely, and the LED light bar 2 is fixedly attached to the heat conduction pipe 1; the LED light bar 2 is electrically connected with the flexible circuit board 3.
Based on above structure, when using this LED lamp, buckle flexible circuit board 3 and form passageway 4 in order to wrap up heat pipe 1, passageway 4 is including two sides that are opposite each other, stretch into heat pipe 1 between two sides, and LED lamp strip 2 then inlays on arbitrary one side, with heat pipe 1 relative arrangement, and be connected LED lamp strip 2 and flexible circuit board 3 electricity, in order to guarantee the power supply to LED lamp strip 2, make LED lamp strip 2 can normally work, and then with flexible circuit board 3 and the outside edge fixed connection that heat pipe 1 arrived, and with LED lamp strip 2 and heat pipe 1 laminating fixed connection completely, from this can realize the electric heat separation of LED lamp at actual operation's in-process, carry out effectual heat conduction by heat pipe 1, and flexible circuit board 3 mainly used power supply, flexible circuit board 3 is the printed circuit board that has high reliability and excellent flexibility that uses polyimide or polyester film as the substrate to make, the shape and the thickness ratio of this flexible circuit board 3 are convenient to control, the heat pipe 1 can normally work, and the LED lamp strip 2 is connected through the heat pipe 1 to the outside edge fixed connection of heat pipe 1, and the heat pipe 1 can be realized, thereby the LED lamp strip is connected with LED lamp strip 2 through the heat pipe 1, the light-conducting efficiency is improved, the LED lamp is difficult to the LED lamp is connected to the LED lamp strip is difficult to the both sides, the LED lamp is connected to the LED lamp is difficult to the LED lamp has the light-down, the LED lamp has the effect is difficult to the LED lamp, and has the effect to the LED lamp has the effect, and has the effect LED lamp has the effect and has the effect. In this embodiment, the thickness of the flexible circuit board 3 is 0.1mm, which is very small, and the structure is light, the cost of production and processing is low, and the corresponding heat conduction and heat dissipation effects are reliable.
The flexible circuit board 3 includes two opposite main boards 31 and two support boards 32 respectively surrounding two opposite sides of the main boards 31, a channel 4 is formed between the two support boards 32 and the two main boards 31, a first end 321 of each support board extends out of a first end of the main board 31 and is mainly used as an outer frame of the flexible circuit board 3, the LED lamp strip 2 is embedded in one of the two main boards 31, the inner surface of the support board 32 is fixedly connected with the outer side edge of the heat conducting pipe 1, and the electric connection of the LED lamp is realized from the two support boards 31, so that side wiring is realized, a middle position can be completely yielded, the electric connection between the lamp beads and the flexible circuit board 3 is separated from the heat conducting work of the heat conducting pipe 1, and reliable electric heating separation work is ensured. The inner surface of the support plate 32 is a concave surface matched with the outer side edge of the heat conduction pipe 1, so that the connection stability can be realized; the LED light bar 2 comprises a control circuit board 22 and a light bead 21 electrically connected to the control circuit board 22, the control circuit board 22 is electrically connected with the flexible circuit board 3, the light bead 21 is bonded and fixed on the side surface of the heat conducting tube 1, the light bead 21 of the LED light is electrically connected with the flexible circuit board 3 through the control circuit board 22, thereby power is supplied, heat is dissipated and transferred to the heat conducting tube 1 through the light bead 21 directly bonded with the heat conducting tube 1, in the embodiment, the fixed connection between the LED light bar 2 and the main board 31 can be directly embedded on the main board 31 and can be directly and fixedly connected with the inner surface of the main board 31, as long as the light bead 21 can be bonded with the heat conducting tube 1 completely, the thickness between the light bead 21 and the heat conducting tube 1 can be effectively reduced, the adoption of the traditional light bead 21 is avoided, the control circuit board 22 is connected with the heat conducting tube 1 through the corresponding circuit board, the light bead 21 and the heat conducting tube 1 are prevented from being separated, the thickness between the light bead 21 and the heat conducting tube 1 is reduced, the thickness between the heat conducting tube 1 and the heat conducting tube 1 is reduced, the whole manufacturing effect of the heat conducting tube 1 is improved, and the whole structure is simplified, and the manufacturing effect of the heat conducting tube is simplified, and the whole structure is 32 is convenient.
It should be noted that, in this embodiment, the LED light bar 2 and the heat conducting tube 1 are welded to each other, that is, the control circuit board 22 and the heat conducting tube 1 are welded to each other, or the LED light bead 21 and the heat conducting tube 1 are welded to each other, so that the connection between the LED light bar 2 and the heat conducting tube 1 can be reliably ensured, and the quality of the product is improved, but in other embodiments, the connection manner between the LED light bar 2 and the heat conducting tube 1 is not limited by this embodiment, and when appropriate selection can be performed according to actual needs.
Further, the second end 322 of the support plate is flush with the second end of the main board 31, appearance attractiveness is guaranteed, the LED lamp strip 2 is located in the center of the main board 31, positioning of the LED lamp strip 2 is achieved conveniently and practically, electric connection and heat conduction connection of the LED lamp strip 2 are guaranteed conveniently, the first end of the heat conduction pipe 1 is inserted into the channel from the first end 321 of the support plate and flush with the second end 322 of the support plate, and the fan 5 is fixedly installed at the second end of the heat conduction pipe 1. From this, two mainboards 31 and two extension boards 32 can wrap up heat pipe 1 to for the connection between LED lamp strip 2 and the heat pipe 1 is structurally convenient, guarantees the stability of LED lamp pearl 21 in flexible circuit board 3 encloses the passageway 4 of establishing the formation, and the fan 5 that the second tip of heat pipe 1 set up then can be further play radiating effect, improves the radiating efficiency of whole device.
In addition, the LED lamp further comprises a first heat dissipation shell 6 and a second heat dissipation shell 7, the first heat dissipation shell 6 and the second heat dissipation shell 7 are mutually buckled and connected, a cavity 8 is formed between the first heat dissipation shell 6 and the second heat dissipation shell 7, the heat conduction pipe 1, the LED lamp strip 2 and the two flexible circuit boards 3 are respectively arranged in the cavity 8, the first heat dissipation shell 6 and the second heat dissipation shell 7 can be mutually matched, reliable protection is provided for the structures of the heat conduction pipe 1, the flexible circuit boards 3 and the LED lamp strip 2 together, damage to the three due to external factors is prevented, and the first heat dissipation shell 6 and the second heat dissipation shell 7 can both ensure that heat on the heat conduction pipe 1 can be dispersed through the self structure, so that the heat dissipation reliability is improved; the first heat dissipation shell 6 and the second heat dissipation shell 7 are locked through round head screws, so that the heat conduction pipe 1 is covered by the first heat dissipation shell 6 and the second heat dissipation shell 7, and the cooperation of heat conduction and heat dissipation work is ensured. The outside cover of heat pipe 1 is equipped with fastener 9, and flexible circuit board 3 is fixed to be laminated on the outer wall of heat pipe 1, and flexible circuit board 3 is located fastener 9, and first heat dissipation casing 6 and second heat dissipation casing 7 respectively with the mutual joint of fastener 9, this fastener 9 can buckle simultaneously and tightly grip first heat dissipation casing 6 and second heat dissipation casing 7, guarantees that first heat dissipation casing 6 and second heat dissipation casing 7 can be hugged closely heat pipe 1 to conveniently carry out thermal evacuation. The clamping piece 9 is effectively fixed on the outer wall of the heat conduction pipe 1 through countersunk screws so as to ensure that the position of the clamping piece 9 on the heat conduction pipe 1 is fixed.
As the preferred scheme, be provided with light-transmitting groove 10 on first heat dissipation casing 6 and the second heat dissipation casing 7 respectively, avoid appearing the phenomenon that LED lamp strip 2 appears when setting up the both sides of heat pipe 1 each other, the LED lamp pearl 21 of this LED lamp is connected with two flexible circuit boards 3 electricity respectively through control circuit board 22, an LED lamp strip 2 is located the tip position department of heat pipe 1, after installing first heat dissipation casing 6 and the second heat dissipation casing 7, the lamp pearl 21 of LED lamp strip 2 can pass through light-transmitting groove 10 with bright transmission, guarantee to improve illumination luminance and focus. The LED lamp further comprises a fixed base 11, wherein an installation position 111 matched with the fan 5 is arranged in the fixed base 11, the fan 5 is arranged in the installation position 111, the fixed base 11 is clamped at the bottoms of the first heat dissipation shell 6 and the second heat dissipation shell 7, the fixed base 11 compresses the fan 5 and fixes the first heat dissipation shell 6 and the second heat dissipation shell 7, the fan 5 is positioned at the bottom of the heat conduction tube 1, and the heat dissipation efficiency of the heat conduction tube 1 can be further improved by the fan 5 arranged in the first heat dissipation shell 6 and the second heat dissipation shell 7; and unable adjustment base 11 is with the reliable connection of first heat dissipation casing 6 and second heat dissipation casing 7, realizes the stability of three structure to guarantee that the structural arrangement between inside heat pipe 1, fan 5, flexible circuit and the LED lamp strip 2 is compacter, conveniently improves the reliability of whole LED lamp work. The fixed base 11 is fixedly connected with the first heat dissipation shell 6 and the second heat dissipation shell 7 through round head cross screws respectively, so that the structural strength and stability of connection of the three are improved.
The heat conducting tube fixing device further comprises an adapter plate 12, wherein the adapter plate 12 is sleeved on the second end of the heat conducting tube 1 and located between the second end of the heat conducting tube 1 and the fan 5, when the flexible circuit board 3 is fixed, welding spots of the flexible circuit board 3 can be transferred to the adapter plate 12, wire outgoing of welding wires is facilitated, and meanwhile the positioning function is achieved. The LED lamp is connected with the driver through the two parts of the structure of the fan 5 and the adapter plate 12 by the electric wire 13, so that the LED lamp can work effectively and is convenient to control. In this embodiment, the first heat dissipation housing 6, the second heat dissipation housing 7, the fixing base 11 and the fastening member 9 are all made of aluminum materials, so that the quality of the LED lamp can be effectively reduced, and the LED lamp can have good electric and thermal conductivity, but in other embodiments, the materials of the first heat dissipation housing 6, the second heat dissipation housing 7, the fixing base 11 and the fastening member 9 are not limited by the embodiment, and can be appropriately selected according to practical needs.
The LED lamp strip comprises a heat conducting pipe 1, an LED lamp strip 2 and two flexible circuit boards 3 which are arranged in parallel relatively, wherein a channel 4 for the heat conducting pipe 1 to be inserted is formed between the two flexible circuit boards 3, the LED lamp strip 2 and the heat conducting pipe 1 are respectively and fixedly arranged in the channel 4, the LED lamp strip 2 is electrically connected with the flexible circuit boards 3, the two flexible circuit boards 3 are fixedly connected with the outer side edges of the heat conducting pipe 1, and the LED lamp strip 2 is fixedly connected with the heat conducting pipe 1. Therefore, when the LED lamp is used, the LED lamp strip 2 is directly attached to the heat conducting tube 1, and the LED lamp strip 2 is electrically connected with the flexible circuit board 3, so that the thermoelectric separation of the LED lamp is effectively realized, the LED lamp can be powered through the flexible circuit board 3, heat conduction is realized through the heat conducting tube 1, the flexible circuit board 3 is connected to the outer side edge of the heat conducting tube 1, the thickness between the LED lamp strip 2 and the heat conducting tube 1 can be further reduced, the heat conduction effect is improved, and the illumination brightness of the LED lamp can be prevented from being reduced.
It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.
While the foregoing is directed to the preferred embodiments of the present invention, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present invention, and such modifications and variations are to be regarded as being within the scope of the invention.
Claims (8)
1. The LED lamp is characterized by comprising a heat conduction pipe, an LED lamp strip and a flexible circuit board, wherein the flexible circuit board is bent to form a channel for positioning the heat conduction pipe, the heat conduction pipe stretches into the channel, and the outer side edge of the heat conduction pipe is fixedly connected with the flexible circuit board;
the LED lamp strip is embedded on the side surface of the flexible circuit board, the heat conducting pipe and the LED lamp strip are arranged oppositely, and the LED lamp strip is fixedly attached to the heat conducting pipe;
the LED light bar is electrically connected with the flexible circuit board;
the flexible circuit board comprises two main boards which are arranged oppositely and two support boards which are respectively arranged on two opposite sides of the main boards in a surrounding mode, the two support boards and the two main boards form the channel, a first end part of the support board extends out of the first end part of the main board, the LED lamp strip is embedded in one of the two main boards, and the inner surface of the support board is fixedly connected with the outer side edge of the heat conducting pipe;
the second end of the support plate is flush with the second end of the main board, the LED light bar is positioned at the center of the main board, the first end of the heat conduction pipe is inserted into the channel from the first end of the support plate and flush with the second end of the support plate, and the second end of the heat conduction pipe is fixedly provided with a fan;
the LED lamp further comprises an adapter plate, wherein the adapter plate is sleeved on the second end part of the heat conduction pipe and is positioned between the second end part of the heat conduction pipe and the fan.
2. The LED lamp of claim 1, wherein the inner surface of the support plate is a concave surface matching with the outer edge of the heat conducting tube, the LED light bar comprises a control circuit board and a light bead electrically connected to the control circuit board, the control circuit board is electrically connected to the flexible circuit board, and the light bead is attached to and fixed on the heat conducting tube.
3. The LED lamp of any one of claims 1 to 2, wherein the LED light bar and the heat pipe are welded to each other.
4. The LED lamp of claim 1, further comprising a first heat dissipating housing and a second heat dissipating housing, wherein the first heat dissipating housing and the second heat dissipating housing are snap-fit to each other, and a cavity is formed between the first heat dissipating housing and the second heat dissipating housing, and the flexible circuit board is disposed in the cavity.
5. The LED lamp of claim 4, wherein the heat conducting tube is sleeved with a fastener on the outer side, the flexible circuit board is located in the fastener, and the first heat dissipation shell and the second heat dissipation shell are respectively clamped with the fastener.
6. The LED lamp of claim 5, wherein the first heat dissipating housing and the second heat dissipating housing are each provided with a light transmitting groove.
7. The LED lamp of claim 4, further comprising a fixing base, wherein a mounting position matched with the fan is arranged in the fixing base, the fan is arranged in the mounting position, the fixing base is clamped at the bottoms of the first heat dissipation shell and the second heat dissipation shell, and the fixing base presses the fan tightly and fixes the first heat dissipation shell and the second heat dissipation shell.
8. The LED lamp of any of claims 1 to 2, wherein the flexible circuit board has a thickness of 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653131.4A CN109538998B (en) | 2018-12-29 | 2018-12-29 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653131.4A CN109538998B (en) | 2018-12-29 | 2018-12-29 | LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538998A CN109538998A (en) | 2019-03-29 |
| CN109538998B true CN109538998B (en) | 2024-02-06 |
Family
ID=65833946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811653131.4A Active CN109538998B (en) | 2018-12-29 | 2018-12-29 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538998B (en) |
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