CN110925658A - LED street lamp convenient for heat dissipation - Google Patents

LED street lamp convenient for heat dissipation Download PDF

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Publication number
CN110925658A
CN110925658A CN201911218564.1A CN201911218564A CN110925658A CN 110925658 A CN110925658 A CN 110925658A CN 201911218564 A CN201911218564 A CN 201911218564A CN 110925658 A CN110925658 A CN 110925658A
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CN
China
Prior art keywords
street lamp
heat dissipation
led
panel
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911218564.1A
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Chinese (zh)
Inventor
唐子成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Guocheng Shunfeng Wind Power Generation Co Ltd
Original Assignee
Anhui Guocheng Shunfeng Wind Power Generation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Guocheng Shunfeng Wind Power Generation Co Ltd filed Critical Anhui Guocheng Shunfeng Wind Power Generation Co Ltd
Priority to CN201911218564.1A priority Critical patent/CN110925658A/en
Publication of CN110925658A publication Critical patent/CN110925658A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • 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
    • 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
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses an LED street lamp convenient for heat dissipation, belongs to the technical field of lighting lamps, solves the problem of poor heat dissipation effect of the existing street lamp, and has the technical key points that: including street lamp panel, street lamp body, lamp shade and LED lamp pearl, the street lamp panel mounting is in street lamp body bottom, LED lamp pearl is installed in the mounting groove at street lamp panel middle part, LED lamp pearl outside cover is equipped with the lamp shade, LED lamp pearl is installed on the circuit board, ventilation heat conduction subassembly is installed at the circuit board top, through fixed section of thick bamboo and the fan at street lamp installation air inlet, in the street lamp is blown into to the outside air, and, separate the air current for a plurality of strands through ventilation heat conduction subassembly, and combine together with ventilation heat conduction subassembly, give off the heat that produces, blow off to the outside, realize the continuous entering of cold air in the lamp body, thereby realize the high-efficient heat dissipation of street.

Description

LED street lamp convenient for heat dissipation
Technical Field
The invention relates to the technical field of lighting lamps, in particular to an LED street lamp convenient for heat dissipation.
Background
An LED street lamp (Light Emitting Diode), i.e., a semiconductor illumination lamp. Under certain forward bias voltage and injection current, holes injected into a P region and electrons injected into an N region are radiated and recombined to emit photons, and electric energy is directly converted into light energy. The LED street lamp is a solid cold light source and has the characteristics of environmental protection, no pollution, low power consumption, high lighting effect, long service life and the like, so the LED street lamp becomes the best choice for energy-saving modification of road lighting.
The LED street lamp is the most energy-saving and environment-friendly product in the existing lighting products, but the LED light source of the LED street lamp has higher requirement on heat dissipation, particularly in the street lamp industry, and the fan cannot be installed for forced heat dissipation, so that the service life of the LED light source is greatly influenced, the heat dissipation volume is increased, the difficulty and the manufacturing cost of an extruded section are increased, meanwhile, external cold air cannot enter the interior of the street lamp to discharge hot air, only the street lamp shell is used for slowly cooling, and the good heat dissipation effect is difficult to achieve.
Therefore, it is desirable to provide an LED street lamp with convenient heat dissipation, which aims to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide the LED street lamp convenient for heat dissipation so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an LED street lamp convenient for heat dissipation comprises a street lamp panel, a street lamp shell, a lampshade and LED lamp beads, wherein the street lamp panel is installed at the bottom of the street lamp shell, the LED lamp beads are installed in installation grooves in the middle of the street lamp panel, the lampshade covers the outer parts of the LED lamp beads, the LED lamp beads are installed on a circuit board, and a ventilation and heat conduction assembly is installed at the top of the circuit board;
the street lamp comprises a street lamp shell and a street lamp panel, and is characterized in that a fixing cylinder is connected between the street lamp shell and the street lamp panel, an air inlet channel is arranged in the fixing cylinder, a fan is installed in the air inlet channel, the outer side of the street lamp shell is connected with a plurality of heat dissipation plates, and air outlet holes are formed in the side wall of the street lamp shell between every two adjacent heat.
As a further scheme of the invention, the lampshade is installed at the bottom side of the installation groove of the street lamp panel.
As a further scheme of the invention, the ventilation heat-conducting assembly comprises a heat-conducting panel, a heat-radiating top plate, a partition plate and heat-radiating fins, wherein the heat-conducting panel, the heat-radiating top plate, the partition plate and the heat-radiating fins are of an integrated casting structure and are cast by copper or aluminum materials.
As a further scheme of the invention, the heat-conducting panel is arranged on the top of the circuit board, the heat-radiating top plate is arranged above the heat-conducting panel, the heat-radiating top plate and the heat-conducting panel are connected through a plurality of partition plates, the partition plates are parallel to each other and are distributed at equal intervals, and a flow-guiding cavity is formed between every two adjacent partition plates.
As a further scheme of the invention, a plurality of radiating fins are distributed on the top of the radiating top plate, and a plurality of radiating holes are also formed in the radiating top plate.
As a further scheme of the invention, the heat dissipation plates are fixedly connected with the outer wall of the street lamp shell, the heat dissipation plates are arranged in a downward inclined mode, and heat dissipation seams are arranged between the adjacent heat dissipation plates.
As a further scheme of the invention, an air inlet channel is arranged in the fixed cylinder and communicated with the flow guide cavity.
As a further scheme of the invention, an air filter element is arranged in an air inlet channel outside the fan, and an insect-proof net is arranged on a fixed cylinder outside the air filter element.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the LED street lamp convenient for heat dissipation, the air inlet fixing barrel and the fan are arranged on the street lamp, external air is blown into the street lamp, the ventilation heat-conducting assembly divides airflow into a plurality of strands and is combined with the ventilation heat-conducting assembly, generated heat is dissipated and blown out, and cold air in the lamp body continuously enters, so that efficient heat dissipation of the street lamp is achieved, and the heat dissipation effect is good.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural view of an LED street lamp convenient for heat dissipation according to the present invention.
Fig. 2 is a schematic cross-sectional structure view of the LED street lamp convenient for heat dissipation according to the present invention.
Fig. 3 is a schematic structural diagram of a ventilation and heat-conducting assembly in an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a heat dissipation plate in an embodiment of the invention.
Reference numerals: the street lamp comprises a street lamp mounting rack 1, a street lamp hoop 2, a fixing barrel 3, an insect-proof net 4, an air inlet channel 5, an air filter 6, a fan 7, a street lamp panel 8, a street lamp housing 9, a mounting groove 10, a lampshade 11, an LED lamp bead 12, a circuit board 13, a heat conducting panel 14, a heat radiating top plate 15, a flow guiding cavity 16, a partition plate 17, heat radiating holes 18, heat radiating fins 19, air outlet holes 20, a heat radiating plate 21 and heat radiating seams 22.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1 to 4, an LED street lamp convenient for heat dissipation includes a street lamp panel 8, a street lamp housing 9, a lampshade 11 and LED lamp beads 12, wherein the street lamp panel 8 is installed at the bottom of the street lamp housing 9, an installation groove 10 for installing the LED lamp beads 12 is arranged in the middle of the street lamp panel 8, the lampshade 11 is installed on the street lamp panel 8 at the bottom side of the installation groove 10, the lampshade 11 covers the LED lamp beads 12, and the LED lamp beads 12 are installed on a circuit board 13; a heat conducting panel 14 is mounted on the top of the circuit board 13, a heat radiating top plate 15 is arranged above the heat conducting panel 14, the heat radiating top plate 15 and the heat conducting panel 14 are connected through a plurality of partition plates 17, the partition plates 17 are parallel to each other and are distributed at equal intervals, and a flow guide cavity 16 is formed between every two adjacent partition plates 17;
the street lamp comprises a street lamp housing 9 and is characterized in that a plurality of radiating fins 19 are distributed at the top of a radiating top plate 15, a plurality of radiating holes 18 are further formed in the radiating top plate 15, a plurality of radiating plates 21 are connected to the outer side of the street lamp housing 9, the radiating plates 21 are fixedly connected with the outer wall of the street lamp housing 9, the radiating plates 21 are arranged in a downward inclined mode, a radiating seam 22 is arranged between every two adjacent radiating plates 21, air outlet holes 20 are formed in the side wall of the street lamp housing 9 in the radiating seam 22, the air outlet holes 20 are communicated with the inner portion.
In the embodiment of the invention, the heat conducting panel 14, the heat radiating top plate 15, the partition plate 17 and the heat radiating fins 19 are of an integrated casting structure, and are cast by copper or aluminum materials, so that the heat conducting efficiency is high, and meanwhile, a plurality of flow guide cavities 16 are formed in the heat conducting structure, so that air can flow conveniently, heat conducted to the heat conducting structure by the circuit board 13 can be taken away, and the heat radiating efficiency is improved.
Still be connected with solid fixed cylinder 3 between street lamp body 9 and the street lamp panel 8, be equipped with inlet channel 5 in the solid fixed cylinder 3, inlet channel 5 is linked together with water conservancy diversion chamber 16, gu fixed cylinder 3 internally mounted has fan 7, install air filter 6 in the inlet channel 5 in the fan 7 outside, install insect-proof net 4 on the solid fixed cylinder 3 in the air filter 6 outside, when starting fan 7 during operation, it inhales the inlet channel 5 with the outside air in, after insect-proof net 4 and air filter 6 filter, in the water conservancy diversion chamber 16 is blown into with outside cold air, take away the heat of conduction on the circuit board 13 and cool down circuit board 13, the air after the heat absorption is from louvre 18, venthole 20 discharges, and, heating panel 21 on the street lamp body 9 also has fine cooling effect, thereby realize the high-efficient heat dissipation of street lamp.
Example 2
Referring to fig. 1 to 4, the LED street lamp convenient for heat dissipation includes a street lamp panel 8, a street lamp housing 9, a lampshade 11 and LED lamp beads 12, wherein the street lamp panel 8 is installed at the bottom of the street lamp housing 9, a mounting groove 10 for installing the LED lamp beads 12 is arranged in the middle of the street lamp panel 8, the lampshade 11 is installed on the street lamp panel 8 at the bottom side of the mounting groove 10, the lampshade 11 covers the LED lamp beads 12, and the LED lamp beads 12 are installed on a circuit board 13.
The street lamp comprises a street lamp housing 9 and is characterized in that a plurality of radiating fins 19 are distributed on the top of a radiating top plate 15, a plurality of radiating holes 18 are further formed in the radiating top plate 15, a plurality of radiating plates 21 are connected to the outer side of the street lamp housing 9, radiating seams 22 are formed between every two adjacent radiating plates 21, air outlet holes 20 are formed in the side wall of the street lamp housing 9 in the radiating seams 22, and the air outlet holes 20 are communicated with the inner portion of the street.
The street lamp comprises a street lamp housing 9, a street lamp panel 8 and a fixing cylinder 3, wherein the fixing cylinder 3 is connected between the street lamp housing 9 and the street lamp panel 8, an air inlet channel 5 is arranged in the fixing cylinder 3, and a fan 7 is arranged in the fixing cylinder 3. compared with the embodiment 1, in the embodiment of the invention, external air can be directly blown into a cavity between the street lamp housing 9 and the street lamp panel 8 through the fan 7 and discharged from an air outlet hole 20 on the side surface of the street lamp housing 9, the installation of a heat-conducting panel 14, a heat-radiating top plate 15, a partition plate 17 and a heat-radiating fin 19 is cancelled, and the high-.
In the embodiment of the invention, the installation direction of the fan 7 can be changed to discharge hot air in the cavity between the street lamp housing 9 and the street lamp panel 8 to one side of the fixed cylinder 3, so that external cold air directly enters the cavity between the street lamp housing 9 and the street lamp panel 8 through the air outlet 20 between the heat dissipation plates 21 to cool and dissipate heat, and the efficient heat dissipation effect of the LED street lamp is also achieved.
The rest of the structure of this example is the same as example 1.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.

Claims (8)

1. An LED street lamp convenient for heat dissipation comprises a street lamp panel (8), a street lamp shell (9), a lampshade (11) and LED lamp beads (12), and is characterized in that the street lamp panel (8) is installed at the bottom of the street lamp shell (9), the LED lamp beads (12) are installed in an installation groove (10) in the middle of the street lamp panel (8), the lampshade (11) covers the outside of the LED lamp beads (12), the LED lamp beads (12) are installed on a circuit board (13), and a ventilation and heat conduction assembly is installed at the top of the circuit board (13);
be connected with solid fixed cylinder (3) between street lamp body (9) and street lamp panel (8), be equipped with inlet channel (5) in solid fixed cylinder (3), install fan (7) in inlet channel (5), street lamp body (9) outside is connected with a plurality of heating panels (21), has seted up venthole (20) on street lamp body (9) lateral wall between adjacent heating panel (21).
2. The LED street lamp facilitating heat dissipation according to claim 1, wherein the lampshade (11) is mounted at the bottom side of the mounting groove (10) of the street lamp panel (8).
3. The LED street lamp facilitating heat dissipation according to claim 2, wherein the ventilation and heat conduction assembly comprises a heat conduction panel (14), a heat dissipation top plate (15), a separation plate (17) and heat dissipation fins (19), and the heat conduction panel (14), the heat dissipation top plate (15), the separation plate (17) and the heat dissipation fins (19) are of an integral casting structure and are cast from copper or aluminum.
4. The LED street lamp facilitating heat dissipation according to claim 3, wherein the heat conducting panel (14) is mounted on the top of the circuit board (13), a heat dissipating top plate (15) is arranged above the heat conducting panel (14), the heat dissipating top plate (15) and the heat conducting panel (14) are connected through a plurality of partition plates (17), the partition plates (17) are parallel to each other and are distributed at equal intervals, and a flow guiding cavity (16) is formed between adjacent partition plates (17).
5. The LED street lamp facilitating heat dissipation according to claim 4, wherein a plurality of heat dissipation fins (19) are distributed on the top of the heat dissipation top plate (15), and a plurality of heat dissipation holes (18) are further formed in the heat dissipation top plate (15).
6. The LED street lamp convenient for heat dissipation according to claim 5, wherein the heat dissipation plate (21) is fixedly connected with the outer wall of the lamp housing (9) of the street lamp, the heat dissipation plate (21) is arranged in a downward inclination manner, and a heat dissipation slit (22) is arranged between adjacent heat dissipation plates (21).
7. The LED street lamp facilitating heat dissipation according to claim 4, wherein an air inlet channel (5) is arranged in the fixed cylinder (3), and the air inlet channel (5) is communicated with the flow guide cavity (16).
8. The LED street lamp facilitating heat dissipation according to claim 7, wherein an air filter element (6) is installed in the air inlet channel (5) outside the fan (7), and an insect-proof net (4) is installed on the fixed cylinder (3) outside the air filter element (6).
CN201911218564.1A 2019-12-03 2019-12-03 LED street lamp convenient for heat dissipation Withdrawn CN110925658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911218564.1A CN110925658A (en) 2019-12-03 2019-12-03 LED street lamp convenient for heat dissipation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911218564.1A CN110925658A (en) 2019-12-03 2019-12-03 LED street lamp convenient for heat dissipation

Publications (1)

Publication Number Publication Date
CN110925658A true CN110925658A (en) 2020-03-27

Family

ID=69848517

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911218564.1A Withdrawn CN110925658A (en) 2019-12-03 2019-12-03 LED street lamp convenient for heat dissipation

Country Status (1)

Country Link
CN (1) CN110925658A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853612A (en) * 2020-08-05 2020-10-30 启奥光电科技(扬州)有限公司 LED street lamp with heat dissipation flow guide lampshade
CN112539387A (en) * 2021-01-13 2021-03-23 上海桔惑玩具有限公司 Dual-purpose solar charging LED lamp with fan

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853612A (en) * 2020-08-05 2020-10-30 启奥光电科技(扬州)有限公司 LED street lamp with heat dissipation flow guide lampshade
CN112539387A (en) * 2021-01-13 2021-03-23 上海桔惑玩具有限公司 Dual-purpose solar charging LED lamp with fan

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Application publication date: 20200327