CN111189018A - LED street lamp - Google Patents
LED street lamp Download PDFInfo
- Publication number
- CN111189018A CN111189018A CN202010053198.5A CN202010053198A CN111189018A CN 111189018 A CN111189018 A CN 111189018A CN 202010053198 A CN202010053198 A CN 202010053198A CN 111189018 A CN111189018 A CN 111189018A
- Authority
- CN
- China
- Prior art keywords
- lamp
- led
- lamp panel
- insulating layer
- street lamp
- 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.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000005286 illumination Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 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
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
-
- 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
- F21V29/54—Cooling arrangements using thermoelectric means, e.g. Peltier elements
-
- 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
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an LED street lamp, which comprises a lamp panel, a lens and a radiating fin, wherein the front surface of the lamp panel is provided with an LED lamp bead, the lens covers the surface of the lamp panel and focuses the light emitted by the LED lamp bead, and the radiating fin is arranged on the back surface of the lamp panel; the LED lamp is characterized in that an insulating layer is further arranged between the lamp plate and the radiating fins, hole penetrating spaces for mounting semiconductor refrigerating chips are formed in the insulating layer and the lamp plate, the hot ends of the semiconductor refrigerating chips are attached to the radiating fins, and the cold ends of the semiconductor refrigerating chips are exposed in the spaces between the lamp plate and the lenses. In the invention, the insulating layer is arranged between the lamp panel and the radiating fins, so that the lamp panel is prevented from leaking electricity from the radiating fins, and the safety is ensured.
Description
Technical Field
The invention relates to the field of LED illumination, in particular to an LED street lamp, wherein lamp beads in the street lamp are driven by alternating current.
Background
Street lamps refer to lamps providing a road with an illumination function, and generally refer to lamps in a road illumination range in traffic illumination. The street lamp has various forms, wherein the LED street lamp has the advantages of environmental protection, energy conservation, long service life and the like, and is more and more widely applied in the field of illumination.
However, the key component of the current LED street lamp is the lamp panel, which generally adopts a good heat conduction material at present, such as an aluminum plate commonly used, and in order to ensure good heat dissipation effect, the lamp panel is required to be provided with a heat dissipation device to help heat dissipation. In addition, at present, the power supply of the LED street lamp adopts commercial power, the commercial power is converted into direct current through alternating current, the adopted direct current power supply is also a heat source, the heat dissipation pressure of the LED street lamp is more important, and at present, in the production process of the LED street lamp in the industry, continuous efforts are made on how to dissipate heat of the LED street lamp, and a lot of achievements are produced. Chinese patent publication No. CN 209341011U discloses a heat dissipation street lamp, which has a good heat dissipation effect and prolongs the service life of the street lamp. The heat dissipation street lamp comprises a lamp body and a lamp post connected with the lamp body, wherein an LED lamp bead is arranged at the lower end of the lamp body, a lampshade is arranged at the lower end of the lamp body, a radiator is arranged inside the lamp body, the LED lamp bead is installed on the radiator, and a connecting plate connected with the lamp post is arranged on the outer side of the lamp body. A plurality of radiating fins distributed at intervals are vertically arranged on the outer surface of the lamp body, and graphene coatings are arranged on the outer surfaces of the radiating fins and the lamp body; the lamp body is internally provided with a heat conducting plate connected with the inner wall of the lamp body, and the radiator is fixedly arranged on the heat conducting plate. This street lamp dispels heat has very good heat-conducting property through graphite alkene, and the heat back on leading-in to lamp body and the fin of heat on the heat-conducting plate can quick heat dissipation, and then improves the heat dispersion of street lamp. However, since these heat sinks and the like are good conductors, the street lamp is prone to leakage, has a potential safety hazard, and cannot meet the requirements of the street lamp.
Disclosure of Invention
Aiming at the defects that in the existing LED street lamp, an LED lamp bead is directly arranged on a radiator with good heat conduction, potential safety hazards are caused, and the requirements of the street lamp cannot be met, the invention provides the LED street lamp.
The technical scheme adopted by the invention for realizing the technical purpose is as follows: an LED street lamp comprises a lamp panel, a lens and a radiating fin, wherein the front surface of the lamp panel is provided with an LED lamp bead, the lens covers the surface of the lamp panel and focuses the light emitted by the LED lamp bead, and the radiating fin is arranged on the back surface of the lamp panel; the LED lamp is characterized in that an insulating layer is further arranged between the lamp plate and the radiating fins, hole penetrating spaces for mounting semiconductor refrigerating chips are formed in the insulating layer and the lamp plate, the hot ends of the semiconductor refrigerating chips are attached to the radiating fins, and the cold ends of the semiconductor refrigerating chips are exposed in the spaces between the lamp plate and the lenses.
In the invention, the insulating layer is arranged between the lamp panel and the radiating fins, so that the lamp panel is prevented from leaking electricity from the radiating fins, and the safety is ensured.
Further, in the above LED street lamp: the thickness of the insulating layer is within 1 cm.
Further, in the above LED street lamp: the thickness of the insulating layer is 4.3 mm.
Further, in the above LED street lamp: when lens install on the lamp plate, still be provided with the sealing washer.
Further, in the above LED street lamp: the lamp beads are LED lamp beads driven by alternating current.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a front view of an LED street lamp according to the present invention.
Fig. 2 is a cross-sectional view of fig. 1A-a.
FIG. 3 is a schematic diagram of an AC-driven LED lamp bead in the LED street lamp of the present invention.
Detailed Description
Embodiment 1 is an LED street lamp, in which an insulating layer 300 is disposed between a lamp panel 100 and a heat sink 400 to ensure safety, so that no electric leakage occurs due to the heat sink 400. As shown in fig. 1 and fig. 2, the LED street lamp in this embodiment includes a lamp panel 100 with a front surface on which an LED lamp bead 101 is mounted, a lens 200 covering the lamp panel 100 to focus light emitted from the LED lamp bead 101, and a heat sink 400 for dissipating heat from the lamp panel 100, wherein the heat sink 400 is disposed on the back surface of the lamp panel 100. In this embodiment, the lamp panel 100 itself is a printed circuit board, and the lamp bead 101 is welded on the printed circuit board to form the lamp panel, and when installing the lens 200, the sealing ring 201 is further arranged around the lens 200, so that the outdoor street lamp can prevent wind and rain.
In this embodiment, the lamp panel 100 is a printed circuit board, and in order to ensure the insulation property, an insulating layer 300 with a thickness within 1 cm is further disposed on the back surface of the lamp panel, and in this embodiment, the thickness of the insulating layer 300 is 4.3 mm. Like this, the radiating effect of fin 400 outside insulating layer 300 will be very not ideal to lamp plate 100, because the printed circuit board who is lamp plate 100 itself is not just hot good conductor, and insulating layer 300 is not hot good conductor yet, consequently, the lamp pearl 101 of welding on lamp plate (printed circuit board) generates heat and is difficult to be dispersed by the fin, consequently, in this embodiment, be provided with the hole space of installing semiconductor refrigeration chip 500 on lamp plate 100 and insulating layer 300, semiconductor refrigeration chip 500's hot junction hugs closely the fin, the cold junction exposes in the space between lamp plate 100 and lens 200. Like this, can openly absorb lamp plate 100 because LED lamp pearl 101 generate heat produced heat by the cold junction when semiconductor refrigeration chip 500, the heat that the hot junction produced is just distributed by the fin very fast, can guarantee well that lamp pearl 101 works under normal temperature, prolongs its life.
In addition, in this embodiment, the lamp bead 101 is an ac-driven LED lamp bead, as shown in fig. 3, and can be directly soldered on a lamp panel of a printed circuit board, and the lamp bead used in this embodiment is a patent product of the applicant, and its patent publication number is CN 203608403U. The alternating current driven LED lamp bead comprises a light emitting diode D1, a light emitting diode D2, a resistor R1, a resistor R2, a voltage stabilizing tube W1 and a voltage stabilizing tube W2. The anode of the light-emitting diode D1 is connected with the cathode of a voltage regulator tube W1, the anode of the voltage regulator tube W1 is connected with one end (A end) of alternating current, and the cathode of the light-emitting diode D1 is connected with the other end (B end) of the alternating current through a current-limiting resistor R1; the anode of the light-emitting diode D2 is connected with the cathode of a voltage regulator tube W2, the anode of a voltage regulator tube W2 is connected with the other end (B end) of alternating current, and the cathode of the light-emitting diode D2 is connected with one end (A) of the alternating current through a current-limiting resistor R2; when the A terminal is positive, the LED D1 emits light, and when the B terminal is positive, the LED D2 emits light.
Claims (5)
1. An LED street lamp comprises a lamp panel (100) with LED lamp beads (101) arranged in front, a lens (200) covering the surface of the lamp panel (100) and focusing the light emitted by the LED lamp beads (101), and a radiating fin (400) radiating the lamp panel (100), wherein the radiating fin (400) is arranged on the back surface of the lamp panel (100); the method is characterized in that: an insulating layer (300) is further arranged between the lamp panel (100) and the radiating fins (400), a hole penetrating space for mounting the semiconductor refrigeration chip (500) is formed in the insulating layer (300) and the lamp panel (100), the hot end of the semiconductor refrigeration chip (500) is tightly attached to the radiating fins, and the cold end of the semiconductor refrigeration chip is exposed in the space between the lamp panel (100) and the lens (200).
2. The LED street lamp according to claim 1, characterized in that: the thickness of the insulating layer (300) is within 1 cm.
3. The LED street lamp according to claim 2, characterized in that: the thickness of the insulating layer (300) is 4.3 mm.
4. The LED street lamp according to claim 1, characterized in that: when the lens (200) is installed on the lamp panel (100), a sealing ring (201) is further arranged.
5. The LED street lamp according to claim 1, characterized in that: the lamp beads (101) are LED lamp beads driven by alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053198.5A CN111189018A (en) | 2020-04-20 | 2020-04-20 | LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053198.5A CN111189018A (en) | 2020-04-20 | 2020-04-20 | LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111189018A true CN111189018A (en) | 2020-05-22 |
Family
ID=70706452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010053198.5A Pending CN111189018A (en) | 2020-04-20 | 2020-04-20 | LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111189018A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204203Y (en) * | 2008-03-04 | 2009-03-04 | 无锡爱迪信光电科技有限公司 | Radiating device for high-power LED |
| CN201606700U (en) * | 2010-01-15 | 2010-10-13 | 企达工业(南京)有限公司 | Novel LED illuminator |
| CN202769331U (en) * | 2012-07-04 | 2013-03-06 | 重庆绿色科技开发有限公司 | Semiconductor refrigeration and thermal dissipation light-emitting diode (LED) lamp |
| CN212057010U (en) * | 2020-01-17 | 2020-12-01 | 朱旭阳 | LED street lamp |
-
2020
- 2020-04-20 CN CN202010053198.5A patent/CN111189018A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204203Y (en) * | 2008-03-04 | 2009-03-04 | 无锡爱迪信光电科技有限公司 | Radiating device for high-power LED |
| CN201606700U (en) * | 2010-01-15 | 2010-10-13 | 企达工业(南京)有限公司 | Novel LED illuminator |
| CN202769331U (en) * | 2012-07-04 | 2013-03-06 | 重庆绿色科技开发有限公司 | Semiconductor refrigeration and thermal dissipation light-emitting diode (LED) lamp |
| CN212057010U (en) * | 2020-01-17 | 2020-12-01 | 朱旭阳 | LED street lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200522 |