CN113983413A - Heat dissipation shell for high-power LED street lamp - Google Patents
Heat dissipation shell for high-power LED street lamp Download PDFInfo
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- CN113983413A CN113983413A CN202111382530.3A CN202111382530A CN113983413A CN 113983413 A CN113983413 A CN 113983413A CN 202111382530 A CN202111382530 A CN 202111382530A CN 113983413 A CN113983413 A CN 113983413A
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- Prior art keywords
- heat dissipation
- street lamp
- heat
- led street
- power led
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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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/035—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- 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
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a heat dissipation shell for a high-power LED street lamp, which comprises a heat dissipation substrate and a heat dissipation shell; one side surface of the heat dissipation substrate is a smooth surface so as to be attached and installed on the back side of the light source installation plate of the high-power LED street lamp; a bulge and a radiating fin are formed on the other side surface of the radiating substrate, the bulge is provided with a convex arc-shaped top surface, and a dot matrix through hole is formed in the bulge; the light source mounting plate is provided with matched through holes at the positions corresponding to the lattice through holes; the inner surface of the heat dissipation shell is formed with heat conduction material gaskets, and grid holes are formed at two ends of the heat dissipation shell; and an axial flow fan is arranged on the inner side of the grid hole of the heat dissipation shell body at the side of the connecting part. The invention can be directly molded on the back side of the light source mounting plate of the high-power LED street lamp, has better heat dissipation effect, and can be cooperated with other heat dissipation devices or schemes to further improve the heat dissipation effect.
Description
Technical Field
The invention relates to the technical field of solar photovoltaic power generation accessories, in particular to a heat dissipation shell for a high-power LED street lamp.
Background
Along with the rapid development of road traffic construction in China, the construction scale and the number of the road tunnels are larger and larger, the requirements on the number and the quality of the road lamps are higher and higher, and poor illumination not only influences the image of a city, but also easily causes traffic safety accidents. The traditional street lamp usually adopts a high-pressure sodium lamp or a halogen lamp as a light source, has the defects of high energy consumption, short service life and the like, and needs to be maintained regularly; compared with the prior art, the LED street lamp has the advantages of good chromaticity and long service life, does not need frequent maintenance, is more energy-saving than the prior street lamp, and is widely applied to the matching construction of roads at present.
For the industrialization of the LED street lamp, heat dissipation is the biggest problem, and for a high-power LED street lamp, a large amount of heat is generated during the use process, and the heat is accumulated in the street lamp housing, which can seriously affect the service life and the illumination effect of the street lamp, so that the heat dissipation performance of the LED street lamp and the temperature of the lamp itself have great influence on various performances of the LED street lamp, especially the high-power LED street lamp.
The conventional LED street lamp mainly adopts a passive heat dissipation mode, the heat dissipation mode mainly dissipates heat through a heat dissipation support, the conventional heat dissipation support is a die-casting or extrusion aluminum alloy heat dissipation support, the structure of the conventional LED street lamp generally comprises a back plate and heat dissipation fins formed on the back plate, the back plate is arranged on the surface of equipment in a leaning manner, the heat of the equipment is taken out in a heat exchange mode, and finally the heat is diffused and transmitted to the air through the heat dissipation fins, the heat exchange efficiency of the heat dissipation mode is low, and in addition, the ventilation performance of the heat dissipation support is relatively insufficient, the overall heat dissipation efficiency of the heat dissipation support is influenced, so that the service life of the LED street lamp is influenced; the solution is that the heat dissipation effect is improved by enlarging the surface area, and the size and the weight of the heat dissipation bracket with the enlarged surface area are increased, so that the stress at the connecting point of the lamp body and the lamp body of the LED street lamp is increased, and the structural firmness and the stability of the product in an assembly state are reduced; the heat dissipation support is matched with the active heat dissipation of the fan to improve the air flowability, so that the heat dissipation efficiency of the heat dissipation support is improved, but if the fan is simply added without considering the heat exchange efficiency, the heat dissipation efficiency is still low.
Based on the above reasons, it is generally considered that the structural design difficulty of LED streetlamps, especially high-power LED streetlamps is large, and it is necessary to ensure compact structure and simple and beautiful appearance on the basis of ensuring excellent heat dissipation effect.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a heat dissipation shell for a high-power LED street lamp, which has high heat dissipation efficiency and good safety and can be used for solving the defects in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme:
a heat dissipation shell for a high-power LED street lamp comprises a heat dissipation substrate and a heat dissipation shell;
the heat dissipation substrate is an aluminum alloy plate, the surface of one side of the heat dissipation substrate is a smooth surface matched with the back side of the light source mounting plate, and the heat dissipation substrate is attached to the back side of the light source mounting plate of the high-power LED street lamp through the smooth surface on the side during assembly; the other side surface of the heat dissipation substrate is formed with bulges and heat dissipation fins, the bulges are arranged in an array and provided with convex arc top surfaces, lattice through holes are arranged in the middle positions of the bulges to serve as heat dissipation holes, and the heat dissipation fins are arranged between the adjacent bulges and arranged along the length direction of the heat dissipation substrate;
the light source mounting plate is provided with matched through holes at the positions corresponding to the lattice through holes;
the inner side of the heat dissipation shell is a cavity, and a heat conduction material gasket is formed on the inner surface of the heat dissipation shell; the outline of the radiating fin is matched with the cavity, the radiating shell covers the surface of the radiating fin during assembly, the top surface of the radiating fin is abutted against the lower surface of the heat conduction material gasket in the state, and a gap is filled between the top surface of the radiating fin and the lower surface of the heat conduction material gasket through heat conduction silicone grease;
grid holes are respectively arranged at two ends of the heat dissipation outer shell in the corresponding length direction and are used as air inlet grid holes and air outlet grid holes; the end part of one end of the heat dissipation outer shell in the length direction is a base part, and the base part is provided with a connecting part connected with a street lamp pole; and an axial flow fan is arranged on the inner side of the grid hole on the side of the connecting part.
By way of further limitation, the light source adopted in the light source mounting plate is a dot-matrix LED light source.
As a further limitation, the thickness of the heat dissipation substrate is 2-3 mm, the lattice through holes arranged on the heat dissipation substrate are rhombic holes or round holes, the aperture size of each single hole of the lattice through holes is 2-8 mm, and the hole spacing is 30-60 mm;
the protruding height of the heat dissipation substrate is 10-30 mm.
As further injects, the heat dissipation base plate is in during the dorsal part assembly of light source mounting panel, the lining has the soaking material rete between heat dissipation base plate and light source mounting panel, the soaking material rete is heat conduction carbon fiber rete or graphite alkene rete, and the both sides surface of soaking material rete scribbles one deck heat conduction silicone grease to fill the clearance between heat dissipation base plate and the soaking material rete and between soaking material rete and the light source mounting panel through heat conduction silicone grease.
By further limitation, the heat conduction coefficient of the heat conduction material gasket is 2-5W/mK, the heat conduction material gasket is preferably a heat conduction metal sheet or a heat conduction silica gel sheet, and the heat dissipation fin is provided with a bottom surface matched with the heat conduction material gasket.
As a further limitation, the heat dissipation fins are made of a metal material with a low specific heat capacity by integral molding, and preferably, integrally molded copper heat dissipation fins, aluminum heat dissipation fins or aluminum alloy heat dissipation fins are adopted.
As a further limitation, the heat dissipation fins are convex arc-shaped plates with high middle parts and low two sides in the length direction of the heat dissipation base plate, so that the appearance design of the heat dissipation shell body is facilitated.
As a further limitation, the heat dissipation outer shell is buckled on the outer side of the heat dissipation substrate and is fixedly connected through a detachable connection mode, wherein the detachable connection mode is one or a combination of glue joint, clamping, splicing and threaded connection.
Has the advantages that: the heat dissipation shell for the high-power LED street lamp has a simple structure and reasonable design, wherein the heat dissipation substrate can be directly formed on the back side of the light source mounting plate of the high-power LED street lamp to serve as a soaking heat conduction structure, the heat conduction efficiency is high, and the overall quality and size are controllable; the heat dissipation shell can also be used as a street lamp shell of the high-power LED street lamp, can be matched with the grid holes and the axial flow fan to perform heat exchange with external air so as to realize cooling, has thin overall thickness, cannot influence the overall assembly size of the high-power LED street lamp and the installation and assembly of a light source part, and can be cooperated with other heat dissipation devices or schemes so as to further improve the heat dissipation effect.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Wherein: 1. a heat dissipation outer shell; 2. a thermally conductive material pad; 3. a support; 4. a heat-dissipating substrate; 5. a wing blade; 6. dot matrix through holes; 7. a protrusion; 8. heat-conducting silicone grease; 9. a heat-conducting carbon fiber film layer; 10. a light source mounting plate; 11. SMD LED lamp pearl.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
In the following examples, it will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It should be noted that if directional indications (such as according to upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, motion situation, etc. of the components at a certain posture (according to the figure), and if the certain posture is changed, the directional indications are changed accordingly; in addition, the structure size in the figures does not represent the actual size or proportional relationship of the structure, and as in the present embodiment, the film structure is enlarged in thickness to better represent the positional relationship of the film structure for convenience of description, and represents the actual structure thickness of the film layer or the proportional relationship with the thickness of other structures.
Referring to fig. 1, in the present embodiment, the heat dissipation housing of the high-power LED street lamp includes a heat dissipation substrate 4 and a heat dissipation housing 1, wherein the heat dissipation housing 1 is disposed at a back side of a lamp body portion of the high-power LED street lamp, and is fixed and reinforced with a surface shell of the lamp body portion of the high-power LED street lamp by a screw connector after being pre-fixed at an outer edge by a buckle; a volume cavity is arranged between the radiating outer shell 1 and the face shell of the lamp body part of the high-power LED street lamp, and an LED light source is arranged in the volume cavity.
The high-power LED street lamp comprises a high-power LED street lamp body, a connecting part connected with a street lamp pole is arranged on one side of the high-power LED street lamp body, the lamp body is fixedly connected with the street lamp pole through a threaded connecting seat at the connecting part, the threaded connecting seat is arranged on one side of a base part of a heat dissipation shell body and serves as a shell body of the high-power LED street lamp body part, grid holes serving as air inlet grid holes and air outlet grid holes are respectively arranged at two ends of the heat dissipation shell body 4 in the corresponding length direction of the street lamp body, the grid holes on one side of the threaded connecting seat are air outlet grid holes, an axial flow fan is arranged on the inner side of the air outlet grid holes, and the grid holes on one side far away from the threaded connecting seat are air inlet grid holes.
The LED light source arranged in the lamp body part of the high-power LED street lamp comprises a light source mounting plate 10 and a patch type LED lamp bead 11 attached to the surface of the light source mounting plate 10, the light source mounting plate 10 is electrically connected with the outside and supplies power to the patch type LED lamp bead 11, and the light source mounting plate 10 and the patch type LED lamp bead 11 jointly form a dot-matrix LED light source; in addition, through holes are formed in an array on the light source mounting plate 10.
The back side of the light source mounting plate 10 is a smooth surface, a heat dissipation substrate 4 is formed on the smooth surface, the binding surface of the heat dissipation substrate 4 and the light source mounting plate 10 is a smooth surface, and when the light source mounting plate is bound and assembled, a layer of heat conduction carbon fiber film layer 9 is lined between the binding surface of the heat dissipation substrate 4 and the light source mounting plate 10 to serve as a heat equalization material film layer, a layer of heat conduction silicone grease 8 is thinly coated on the surfaces of two sides of the heat conduction carbon fiber film layer 9, so that gaps between the heat dissipation substrate 4 and the heat conduction carbon fiber film layer 9 and between the heat conduction carbon fiber film layer 9 and the light source mounting plate 10 are filled through the heat conduction silicone grease 8.
In this embodiment, heat dissipation base plate 4 is the aluminium alloy plate that one deck thickness is 3mm, its dorsal surface shaping has the arch 7 that the array set up, these arch 7 correspond the through-hole setting on the light source mounting panel 10, the protrusion height of arch 7 is 12mm, the base of arch 7 is circular, and be provided with the dot matrix through-hole 6 that is linked together with through-hole on the light source mounting panel 10 in the centre of a circle position of arch 7, through-hole is round hole and cross sectional shape and size unanimous on this dot matrix through-hole 6 and the light source mounting panel 10, the haplopore pore diameter size of dot matrix through-hole 6 is 8mm, the hole interval is 50 mm. The array through holes 6 and the through holes on the light source mounting plate 10 can be used as heat dissipation structures for guiding heat at the pins of the surface mount LED lamp beads 11 to the heat dissipation substrate 4 at the back side and the heat dissipation fins arranged on the heat dissipation substrate 4.
The heat dissipation substrate 4 is further provided with heat dissipation fins as a heat dissipation structure, each heat dissipation fin comprises a support 3 and fin blades 5, the fin blades 5 are arranged on two sides of the support 3, the support 3 is a hollow support, the lower portion of each support is connected with the heat dissipation substrate 4 into a whole and is arranged between the protrusions 7 in different rows on the heat dissipation substrate 4, hollow soaking cavities are formed in the supports 3, the fin blades 5 are arranged on two sides of the supports 3 in a staggered mode, the fin blades 5 and the supports 3 are made of copper materials which are integrally formed, and the copper materials have low specific heat capacity so that the fin blades 5 and the supports 3 have good heat exchange effect.
In this embodiment, the heat dissipation substrate 4 is fastened to the inner side of the heat dissipation housing 1 at the outer edge, and is pre-fixed by a fastener, and can be further fixed by a threaded connector after being pre-fixed, and meanwhile, the heat dissipation substrate 4 can also be reversely disassembled to realize the detachable assembly with the inner side of the heat dissipation housing 1. After the heat dissipation substrate 4 is assembled inside the heat dissipation outer casing 1, the support 3 of the heat dissipation fin abuts against the inner side surface of the heat dissipation outer casing 1 at the top surface.
In order to facilitate appearance design and realize water drainage, the heat dissipation outer shell 1 is arranged as an outward convex cambered surface like a common street lamp shell, and the heat dissipation outer shell 1 is convenient to perform appearance design, and the fin blades 5 are upward convex arc-shaped plates with high middle parts and low two sides in the length direction of the heat dissipation substrate 4 so as to be attached to the inner side surface of the heat dissipation outer shell 1; in addition, a layer of heat conduction material gasket 2 is formed on the inner side surface of the heat dissipation shell 1 so as to facilitate the top surface of the bracket 3 to be abutted; the heat conduction material gasket is a heat conduction silica gel sheet with the heat conduction coefficient of 3.5W/mK and is provided with a groove matched with the heat conduction material gasket; during assembly, the gaps are filled by heat-conducting silicone grease at the groove positions corresponding to the top surfaces of the brackets 3 of the heat-radiating fins and the lower surfaces of the heat-conducting material gaskets 2.
In this embodiment, the heat dissipation structure of this embodiment is attached to the surface of the light source mounting plate 10 through the heat dissipation substrate 4 during assembly, and conducts heat through the dot matrix through holes 6 and the corresponding holes on the light source mounting plate 10, so that the heat conduction performance of the surface mount LED lamp beads 11 on the light source mounting plate 10 can be effectively improved, the heat at the pin positions of the surface mount LED lamp beads 11 is transferred to the heat dissipation substrate 4 and is soaked through the heat dissipation fins, and the heat dissipation fins have higher temperature after being soaked, at this time, through the operation of the axial flow fan, flowing air is formed between the air inlet grid holes and the air outlet grid holes, which is beneficial to the circulation of air, and can improve the ventilation property in the heat dissipation housing 1; the flowing air moves along the length direction of the heat dissipation substrate 4 in the air channel among the plurality of brackets 3 as shown in the figure, and exchanges heat with the fin blades 5 in the moving process, and carries out the heat after the heat exchange, and the fin blades 5 arranged in a staggered mode can provide a larger heat exchange area, can provide certain resistance to improve the residence time of the air in the air channel, can guide more air to flow through the heat dissipation channel to exchange heat efficiently by matching with the increase of the power of the axial flow fan, and is beneficial to improving the heat dissipation efficiency of the street lamp heat dissipation structure.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A heat dissipation shell for a high-power LED street lamp is characterized by comprising a heat dissipation substrate and a heat dissipation shell;
the heat dissipation substrate is an aluminum alloy plate, the surface of one side of the heat dissipation substrate is a smooth surface matched with the back side of the light source mounting plate, and the heat dissipation substrate is attached to the back side of the light source mounting plate of the high-power LED street lamp through the smooth surface on the side during assembly; the other side surface of the heat dissipation substrate is formed with bulges and heat dissipation fins, the bulges are arranged in an array and provided with convex arc top surfaces, lattice through holes are arranged in the middle positions of the bulges to serve as heat dissipation holes, and the heat dissipation fins are arranged between the adjacent bulges and arranged along the length direction of the heat dissipation substrate;
the light source mounting plate is provided with matched through holes at the positions corresponding to the lattice through holes;
the inner side of the heat dissipation shell is a cavity, and a heat conduction material gasket is formed on the inner surface of the heat dissipation shell; the outline of the radiating fin is matched with the cavity, the radiating shell covers the surface of the radiating fin during assembly, the top surface of the radiating fin is abutted against the lower surface of the heat conduction material gasket in the state, and a gap is filled between the top surface of the radiating fin and the lower surface of the heat conduction material gasket through heat conduction silicone grease;
grid holes are respectively arranged at two ends of the heat dissipation outer shell in the corresponding length direction and are used as air inlet grid holes and air outlet grid holes; the end part of one end of the heat dissipation outer shell in the length direction is a base part, and the base part is provided with a connecting part connected with a street lamp pole; and an axial flow fan is arranged on the inner side of the grid hole on the side of the connecting part.
2. The heat dissipation housing for high-power LED street lamp as claimed in claim 1, wherein the light source used in the light source mounting plate is a dot-matrix LED light source.
3. The heat dissipation shell for the high-power LED street lamp as claimed in claim 1, wherein the heat dissipation substrate has a thickness of 2-3 mm, the lattice through holes formed in the heat dissipation substrate are rhombic holes or round holes, the aperture of each lattice through hole is 2-8 mm, and the hole spacing is 30-60 mm.
4. The heat dissipation shell for the high-power LED street lamp as claimed in claim 3, wherein the protrusion height of the protrusion arranged on the heat dissipation substrate is 10-30 mm.
5. The heat dissipation shell for the high-power LED street lamp according to claim 1, wherein when the heat dissipation substrate is assembled on the back side of the light source mounting plate, a soaking material film layer is lined between the heat dissipation substrate and the light source mounting plate, the soaking material film layer is a heat-conducting carbon fiber film layer or a graphene film layer, and a layer of heat-conducting silicone grease is coated on the two side surfaces of the soaking material film layer.
6. The heat dissipation shell for the high-power LED street lamp according to claim 1, wherein the heat conduction material gasket is made of a heat conduction metal sheet or a heat conduction silicon sheet with a heat conduction coefficient of 2-5W/mK, and the heat dissipation fins have bottom surfaces matched with the heat conduction material gasket.
7. The heat dissipation shell for the high-power LED street lamp as claimed in claim 1, wherein the heat dissipation fins are integrally formed copper heat dissipation fins, aluminum heat dissipation fins or aluminum alloy heat dissipation fins.
8. The heat dissipation shell for the high-power LED street lamp as claimed in claim 1, wherein the heat dissipation fins are convex arc-shaped plates with a high middle part and two low sides in the length direction of the heat dissipation substrate.
9. The heat dissipation housing for the high-power LED street lamp as claimed in claim 1, wherein the heat dissipation housing is fastened to the outer side of the heat dissipation substrate at the outer side and is fixed by detachable connection.
10. The heat dissipation shell for the high-power LED street lamp as claimed in claim 9, wherein the detachable connection mode is one or a combination of glue joint, clamping joint, plug joint and screw connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382530.3A CN113983413A (en) | 2021-11-22 | 2021-11-22 | Heat dissipation shell for high-power LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382530.3A CN113983413A (en) | 2021-11-22 | 2021-11-22 | Heat dissipation shell for high-power LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113983413A true CN113983413A (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382530.3A Withdrawn CN113983413A (en) | 2021-11-22 | 2021-11-22 | Heat dissipation shell for high-power LED street lamp |
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| Country | Link |
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| CN (1) | CN113983413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115857226A (en) * | 2022-12-29 | 2023-03-28 | 惠科股份有限公司 | Backlight module and display device |
-
2021
- 2021-11-22 CN CN202111382530.3A patent/CN113983413A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115857226A (en) * | 2022-12-29 | 2023-03-28 | 惠科股份有限公司 | Backlight module and display device |
| CN115857226B (en) * | 2022-12-29 | 2024-03-19 | 惠科股份有限公司 | Backlight module and display device |
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Application publication date: 20220128 |