CN117781198A - Fluorescent powder-free golden light LED plane tunnel lamp - Google Patents
Fluorescent powder-free golden light LED plane tunnel lamp Download PDFInfo
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- CN117781198A CN117781198A CN202311520128.6A CN202311520128A CN117781198A CN 117781198 A CN117781198 A CN 117781198A CN 202311520128 A CN202311520128 A CN 202311520128A CN 117781198 A CN117781198 A CN 117781198A
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Abstract
The invention relates to a fluorescent powder-free golden light LED plane tunnel lamp, which comprises a Jin Huangguang LED light source, a light source circuit board, a thermal interface layer, a sealing ring, a lamp body, a cover plate, a lamp body mounting bracket, a radiator, a power module, reflective paper, a reflective cup and plane glass, wherein the Jin Huangguang LED light source is directly synthesized by a yellow light LED chip and a red light LED chip, the wavelength range of the yellow light LED chip is 550-650 nm, and the wavelength range of the red light LED chip is 610-650 nm, so that a road lighting lamp with strong penetrating power, mild and no dazzling is provided, the comfort level and the safety are improved, and the driving hidden trouble brought by strong white light at an entrance/exit tunnel portal is reduced; the photoelectric separation installation mode is adopted, so that the heat dissipation efficiency, the power utilization efficiency and the reliability of the whole lamp are improved; the combination of the reflective cup and the jelly glue is adopted, so that the emitted light has better uniformity and better light quality, the large-angle light is cut off, and the glare is effectively reduced; the light-emitting surface adopts a planar glass form, so that dust is easy to clean, the maintenance is convenient, and the luminous flux maintenance rate is improved.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a fluorescent powder-free golden light LED plane tunnel lamp.
Background
The current tunnel illumination mainly adopts a mode of combining a fluorescent powder light source white light LED and a high-pressure sodium lamp, namely, the entrance section and the exit section of the tunnel adopt the high-pressure sodium lamp, and the middle section can adopt the fluorescent powder light source white light LED. However, with the development of the age, the defects of the high-pressure sodium lamp are also slowly revealed, and the defects of short service life, resource waste, environmental pollution and the like exist. In the prior art, a tunnel lamp is used for providing illumination for a tunnel, and a technical route of a fluorescent powder light source white light LED is adopted, so that the problems that the white light penetrability is poor, the running safety is influenced, and the running safety and the heat dissipation are poor are solved.
In order to meet the tunnel illumination requirement, the single design of the lamp lens is mostly in the form of peanuts, and the module lens is exposed outside for protection. Due to the particularity of the tunnel, the number of vehicles passing through is large, the air fluidity is high, and dust carried by the air is easy to adhere to the outer surface of the rugged lens, so that the cleaning is not facilitated, and the use of the tunnel lamp is affected. If a layer of planar glass is added on the surface of the module lens as protection, the light loss of the lamp is affected to be close to 10%.
The gold yellow light not only has small scattering to particles such as water and dust in the air and strong penetrating power, but also is not easy to scatter in human eyes, and is soft and free from dazzling. Therefore, in the prior art, more and more tunnel lamps adopt the technical route of golden yellow light sources. However, the optical design in the technical scheme adopts a mode of combining the secondary lens and the jelly glue, and the problem that the running safety is greatly affected by glare is also caused, and the problem that the surface of the non-planar light-emitting lamp is easy to dirty, so that the light efficiency is affected and long-term maintenance is required is solved, so that the problem that the heat dissipation of a power supply is poor is solved. In summary, it is necessary to design an LED tunnel lamp with a simple outer surface, easy cleaning, high light efficiency and good heat dissipation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fluorescent powder-free golden light LED plane tunnel lamp, and provides a road lighting lamp with strong penetrating capability, mildness and no dazzling through the use of a specific light source and the design of a structure; the use of fluorescent powder is avoided, zero blue light is realized, and the reliability of the LED light source is improved; in addition, the photoelectric separation installation mode is adopted, namely the light source and the power supply are used for radiating independently, so that the radiating efficiency and the utilization efficiency of the power supply are greatly improved, and the reliability of the whole lamp is improved.
In order to achieve the above purpose, the invention provides a fluorescent powder-free golden LED plane tunnel lamp, which comprises a Jin Huangguang LED light source, a light source circuit board, a thermal interface layer, a sealing ring, a radiator, a cover plate, a lamp body mounting bracket, a power module, reflective paper, a reflective cup and plane glass, wherein the golden LED light source is attached to the light source circuit board, the golden LED light source is directly synthesized by a yellow LED chip and a red LED chip, the light source circuit board is fixed on the radiator, and a circuit on the light source circuit board is connected with the power module; the plane glass is fixed through the mechanical connection of apron and radiator, and has the sealing washer with the radiator between, radiator and lamp body installing support both ends are through mechanical connection and angularly adjustable.
Further, the reflecting cup is provided with a concave structure, and an air or jelly glue medium is arranged between the concave structure and the golden yellow LED light source.
Further, the power module and the radiator keep a mounting gap, and the radiator is a section radiator, a die-casting radiator or a fin radiator.
Further, the golden yellow LED light source comprises at least 1 yellow LED chip, 1 red LED chip, a die bonding layer, a substrate, gold wires and primary optical lenses, wherein the LED chips are mechanically connected with the substrate through the die bonding layer, the LED chips are electrically conducted with the substrate through the gold wires, the primary optical lenses seal the LED chips on the substrate, and the LED chips are connected in series or in series-parallel.
Further, the light source circuit board is a printed circuit board, an aluminum-based circuit board or a copper-based circuit board and is fixed on the radiator through a thermal interface layer, and the thermal interface layer is heat-conducting gel, heat-conducting clay, heat-conducting silicone grease or heat-conducting silicone sheets.
Further, the packaging structure of the golden yellow LED light source is ceramic packaging, chip on board, system packaging or silicon-based packaging; the substrate is a ceramic substrate, an aluminum substrate or a copper substrate; the primary optical lens is a plane lens or a spherical cap lens, and the primary optical lens is made of silica gel, epoxy resin or polyurethane.
Further, the golden yellow LED light source belongs to a non-fluorescent powder type light source, the wavelength range of the yellow LED chip is 550-590 nm, and the wavelength range of the red LED chip is 610-650 nm.
Further, the surface reflection type of the reflective paper is diffuse reflection or specular reflection, the reflective paper is arranged in the inner cavity of the radiator and covers the surface of the light source circuit board, and the corresponding position of the Jin Huangguang LED light source is hollowed out.
Further, the reflecting cup is fixed on the light source circuit board through mechanical connection, and the inner surface of the reflecting cup is provided with a scale micro-structure or a ladder-shaped structure.
Further, the external 220V alternating current is converted into a low-voltage direct current power supply through an AC-DC module in the power supply module, and after the light source control module receives an external signal, the external signal is transcoded and compiled to a current regulating module in the power supply module; and the multipath currents output by the current regulating module drive a yellow LED chip and a red LED chip in the golden LED light source respectively.
The invention has the beneficial effects that the fluorescent powder-free golden yellow LED light source synthesized by the high-light-efficiency yellow LED and the high-light-efficiency red LED chip is adopted, the fluorescent powder-free golden yellow LED light source is suitable for road illumination, compared with the traditional high-pressure sodium lamp, the fluorescent powder-free golden yellow LED light source has good light penetrability, higher finger display and light utilization rate and longer service life, and the golden yellow light has the characteristics of softness and no dazzling, improves comfort and safety, and reduces the driving hidden trouble brought by strong white light at the tunnel entrance. The invention adopts the combination of the reflective cup and the jelly glue, the emitted light has better uniformity and better light quality, the large-angle light is cut off, and the glare is effectively reduced. The light emergent surface of the tunnel lamp is in a planar glass form, dust is easy to clean and convenient to maintain, the luminous flux maintenance rate is improved, and a specific gap is reserved between the power supply module and the radiator, so that a better radiating effect is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is an exploded view of a lamp according to embodiment 1 of the present invention;
FIG. 3 is an exploded view of a mounting bracket and a power module according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a golden yellow LED light source in embodiment 1 of the present invention;
FIG. 5 is a schematic diagram showing the placement of the yellow LED chip and the red LED chip in the four-in-one package according to embodiment 1 of the present invention (wherein, the Y-yellow LED chip and the R-red LED chip);
FIG. 6 is a schematic view showing the structure of a reflector cup according to embodiment 1 of the present invention;
FIG. 7 is a schematic cross-sectional view of a filled jelly glue between a concave structure of a reflective cup and a golden LED light source in embodiment 1 of the present invention;
FIG. 8 is a schematic view showing the overall structure of a planar tunnel lamp in embodiment 4 of the present invention;
wherein: 1-cover plate, 2-plane glass, 3-sealing ring, 4-reflecting cup, 5-Jin Huangguang LED light source, 6-light source circuit board, 7-heat interface layer, 8-reflecting paper, 9-radiator, 10-power module, 101-power radiating shell, 102-power, 11-lamp body mounting bracket, 12-primary light source lens, 13-LED chip, 14-die bonding layer, 15-gold wire, 16-ceramic substrate, 17-jelly glue, 18-power mounting bracket and 19-lamp body
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the specific embodiments described herein are only for explaining the present invention and are not limiting the present invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are directions or positions based on the drawings, and are merely for convenience of description and are not to be construed as limiting the present technical solution. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise. The dimensions of the structures in the embodiments are not scaled to the actual situation, but are merely used for explaining the structures, and the schematic drawings serve as additional explanation, and the specific situation is written in the text.
Example 1
As shown in fig. 1, a schematic diagram of a fluorescent powder-free golden yellow LED planar tunnel lamp according to an embodiment of the present invention is shown, and the fluorescent powder-free golden yellow LED planar tunnel lamp is composed of a lamp body 19, a power module 10 and a lamp body mounting bracket 11. In order to better explain the specific structure of the device, as shown in fig. 2 and 3, the lamp body 19 is composed of a golden light LED light source 5, a light source circuit board 6, a thermal interface layer 7, a sealing ring 3, a radiator 9, a cover plate 1, reflective paper 8, a reflective cup 4 and a planar glass 2, wherein the surface reflection type of the reflective paper 8 is diffuse reflection, the reflective paper 8 is arranged in the inner cavity of the radiator 9 and covers the surface of the light source circuit board 6, and the corresponding position of the Jin Huangguang LED light source 5 is hollowed out; the power module 10 is composed of a power heat dissipation case 101 and a power source 102.
Jin Huangguang LED light source 5 is mounted on light source circuit board 6, and the both ends of golden yellow LED light source 5 pin are respectively with the circuit fixed connection on light source circuit board 6 to connect the circuit on light source circuit board 6 with power 102. The light source circuit board 6 uses an aluminum substrate and is fixed on the radiator 9 through a thermal interface layer, the radiator 9 is a die-casting radiator, and the thermal interface layer 7 is heat-conducting cement. The plane glass 2 is mechanically connected and fixed with the radiator 9 through the cover plate 1, a sealing ring 3 is arranged between the plane glass and the radiator 9, and the radiator 9 is mechanically connected with two ends of the lamp body mounting bracket 11 and the angle is adjustable. In order to ensure that the power module 10 and the radiator 9 keep a mounting gap, the power module 10 is mounted on the power mounting bracket 18 to form photoelectric separation type mounting, so that an independent heat dissipation effect is achieved, and the reliability of the whole lamp is enhanced.
In order to better explain the structure of the golden yellow LED light source 5, as shown in fig. 4, in the golden yellow LED light source 5, the golden yellow LED light source includes two yellow LED chips 13 and two red LED chips 13, a die bonding layer 12, a ceramic substrate 16, gold wires 15 and a primary optical lens 12, the two yellow LED chips 13 and the two red LED chips 13 are mechanically connected with the ceramic substrate 16 through the die bonding layer 14, electric conduction with the ceramic substrate 16 is realized through the gold wires 15, and the primary optical lens 12 seals the two yellow LED chips 13 and the two red LED chips 13 on the ceramic substrate 16, so as to realize mechanical protection and light extraction effects on the two yellow LED chips 13 and the two red LED chips 13. Wherein the primary optical lens 12 is a spherical cap lens, and the material used is silica gel. The arrangement of the two yellow LED chips 13 and the two red LED chips 13 is shown in fig. 5, wherein R represents the red LED chips, Y represents the yellow LED chips, the two yellow LED chips and the two red LED chips are combined in a two-string two-by-two parallel mode, the wavelength of the used yellow LED chips is 565nm, and the wavelength of the used red LED chips is 630nm.
The reflecting cups 4 are fixed on the light source circuit board 6 through mechanical connection, the concave structures of the reflecting cups 4 are in one-to-one correspondence with the golden LED light sources 5, and the inner surfaces of the reflecting cups 4 are provided with stepped structures, as shown in fig. 6. A filling medium jelly 17 is arranged between the concave structure of the reflecting cup 4 and the golden LED light source 5, as shown in figure 7.
The external 220V alternating current is converted into a low-voltage direct current power supply through an AC-DC module in the power supply module 10, and after the light source control module receives an external signal, the external signal is transcoded and compiled to a current regulating module in the power supply module 10; the multipath currents output by the current regulating module drive the yellow LED chip 13 and the red LED chip 13 in the Jin Huangguang LED light source 5 respectively.
Example 2
In this example, the yellow LED chip used had a wavelength of 550nm, and the red LED chip used had a wavelength of 610nm, the remainder being the same as in example 1.
Example 3
In this example, the yellow LED chip used had a wavelength of 590nm, and the red LED chip used had a wavelength of 650nm, the remainder being the same as in example 1.
Example 4
In the present embodiment, the photo-separation mounting mode employed is described as: the power module 10 is fixed on the power mounting bracket 18 through mechanical connection, the power mounting bracket 18 is fixed on the radiator 9 through mechanical connection, the interval is kept, no interference is formed between the power module and the lamp body mounting bracket 11, and independent heat dissipation is formed in the mode to ensure the reliability of the whole lamp; the inner surface of the adopted reflecting cup is of a scale-shaped microstructure, the specific scheme is shown in fig. 8, and the rest is the same as that of the embodiment 1.
Example 5
In this example, the yellow LED chip used had a wavelength of 550nm, and the red LED chip used had a wavelength of 610nm, the remainder being the same as in example 4.
Example 6
In this example, the yellow LED chip used had a wavelength of 590nm, and the red LED chip used had a wavelength of 650nm, the remainder being the same as in example 4.
It should be noted that the foregoing is only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to apply the present invention to the technical solution and use the novel concept to replace or change the technical solution and use the novel concept within the scope of the present invention.
Claims (10)
1. A fluorescent powder-free golden yellow light LED plane tunnel lamp is characterized in that: the plane tunnel lamp comprises a golden yellow LED light source, a light source circuit board, a thermal interface layer, a sealing ring, a radiator, a cover plate, a lamp body mounting bracket, a power module, reflective paper, a reflective cup and plane glass, wherein the golden yellow LED light source is attached to the light source circuit board, the golden yellow LED light source is directly synthesized by a yellow LED chip and a red LED chip, and the light source circuit board is fixed on the radiator and connects a circuit on the light source circuit board with the power module; the plane glass is fixed through the mechanical connection of apron and radiator, and has the sealing washer with the radiator between, radiator and lamp body installing support both ends are through mechanical connection and angularly adjustable.
2. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the reflecting cup is provided with a concave structure, and an air or jelly glue medium is arranged between the concave structure and the golden yellow LED light source.
3. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the power module and the radiator keep an installation gap, and the radiator is a section radiator, a die-casting radiator and a fin radiator.
4. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the golden yellow LED light source comprises at least 1 yellow LED chip, 1 red LED chip, a die bonding layer, a substrate, gold wires and primary optical lenses, wherein the LED chips are mechanically connected with the substrate through the die bonding layer, the LED chips are electrically conducted with the substrate through the gold wires, the primary optical lenses seal the LED chips on the substrate, and the LED chips are connected in series or in series-parallel.
5. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the light source circuit board is a printed circuit board, an aluminum-based circuit board or a copper-based circuit board and is fixed on the radiator through a thermal interface layer, and the thermal interface layer is heat-conducting gel, heat-conducting clay, heat-conducting silicone grease or heat-conducting silicone sheets.
6. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the packaging structure of the golden yellow LED light source is ceramic packaging, chip on board, system packaging or silicon-based packaging; the substrate is a ceramic substrate, an aluminum substrate or a copper substrate; the primary optical lens is a plane lens or a spherical cap lens, and the primary optical lens is made of silica gel, epoxy resin or polyurethane.
7. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the golden yellow LED light source belongs to a fluorescent powder-free light source, the wavelength range of the yellow LED chip is 550-590 nm, and the wavelength range of the red LED chip is 610-650 nm.
8. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the surface reflection type of the reflective paper is diffuse reflection or specular reflection, the reflective paper is arranged in the inner cavity of the radiator and covers the surface of the light source circuit board, and the corresponding position of the Jin Huangguang LED light source is hollowed out.
9. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the reflecting cup is fixed on the light source circuit board through mechanical connection, and the inner surface of the reflecting cup is provided with a scale micro-structure or a ladder-shaped structure.
10. The phosphor-free golden LED flat tunnel lamp of claim 1, wherein: the external 220V alternating current is converted into a low-voltage direct current power supply through an AC-DC module in the power supply module, and after the light source control module receives an external signal, the external signal is transcoded and compiled to a current regulating module in the power supply module; and the multipath currents output by the current regulating module drive a yellow LED chip and a red LED chip in the golden LED light source respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311520128.6A CN117781198A (en) | 2023-11-15 | 2023-11-15 | Fluorescent powder-free golden light LED plane tunnel lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311520128.6A CN117781198A (en) | 2023-11-15 | 2023-11-15 | Fluorescent powder-free golden light LED plane tunnel lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117781198A true CN117781198A (en) | 2024-03-29 |
Family
ID=90395201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311520128.6A Pending CN117781198A (en) | 2023-11-15 | 2023-11-15 | Fluorescent powder-free golden light LED plane tunnel lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117781198A (en) |
-
2023
- 2023-11-15 CN CN202311520128.6A patent/CN117781198A/en active Pending
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