KR101693004B1 - Led lamp for illuminating meat - Google Patents

Abstract

The present invention relates to a lamp housing comprising: a tubular lamp housing; A guide rail installed in the tubular lamp housing; a metal heat sink inserted into the guide rail; A plurality of light emitting diode modules installed on one surface of the heat sink; And a socket module hermetically installed at both ends of the tubular lamp housing to supply power to the light emitting diode module.

Description

LED LAMP FOR ILLUMINATING MEAT

The present invention relates to a light emitting diode lamp for use in a lighting device for a kitchen lighting which is operated at a high humidity and at a low temperature.

In a viewing booth of a meat store such as a traditional butcher shop, a red lamp was installed to enhance the freshness of the meat.

Lamps installed in such meat stores were often fluorescent lights. In recent years, along with the demand for environment friendliness, a lamp using a light emitting diode as a light emitting source has been widely used for reasons of electric efficiency and the like.

By the way, the viewing booth of the meat store is usually very high in humidity and is often kept at a low temperature, and since the lamp is operated throughout business hours, the continuous operation time is long. Within this operating environment, failure due to humidity has been a major cause.

Also, it is necessary to make the meat more radiant in the viewing booth of the meat store so that the consumer desires to increase the purchase desire.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems and it is an object of the present invention to provide a light emitting device for a lighting fixture which is capable of not only ensuring stable operation in a low temperature and high humidity environment but also improving a consumer's purchasing desire, To provide a diode lamp.

In order to solve the above-described problems, a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention, includes: a tubular lamp housing; A guide rail installed in the tubular lamp housing; a metal heat sink inserted into the guide rail; A plurality of light emitting diode modules installed on one surface of the heat sink; And a socket module hermetically installed at both ends of the tubular lamp housing to supply power to the light emitting diode module.

Here, the metallic heat sink includes a first heat sink fitted to the guide rail; And a second heat sink installed to form a hollow hole with the first heat sink and closely attached to the inner surface of the lamp.

The socket module includes a socket housing forming an outer shape of the socket module, a guide hole formed inside the socket housing, And a fastening screw inserted into the guide hole and the hollow hole of the second heat sink to fasten the socket module and the tubular lamp housing.

Here, the guide hole may extend from the inner surface of the socket housing, and an end of the guide hole may be flush with the end of the socket housing.

Here, the socket module may include: a pair of terminals provided on an outer surface of the socket housing; And the power supply connection unit connected to the plurality of light emitting diode modules to supply power to the plurality of light emitting diode modules.

Here, the socket housing includes: an inserting portion inserted into the lamp housing; And a socket portion protruding from the insertion portion and having a shape extending from the lamp housing.

Here, the socket module may further include a sealing ring disposed outside the insertion portion.

Here, the light emitting diode module may include an LED chip that outputs irradiation light having a peak light wavelength of 435 to 455 nm; And a chip molding section for molding the LED chip and including a phosphor. The output light passing through the chip molding section may satisfy a color index range of the following formula among the white light regions in the CIE x, y color coordinates.

[expression]

X? Y? X + 0.1

Here, 0.31? X? 0.35

Here, the chip molding part may be made of a molding solution containing 85% by weight of silicon and 15% by weight of the phosphor.

Here, the phosphor may be a nitride-based phosphor.

Here, the phosphor may include 83 to 88 wt% of a yellow phosphor and 12 to 17 wt% of a red phosphor.

Here, the emission peak of the yellow phosphor may be 540 to 545 nm, and the emission peak of the red phosphor may be 620 to 640 nm.

Here, the phosphor may include 80% by weight of the green phosphor and 20% by weight of the red phosphor.

Here, the emission peak of the green phosphor may be 520 to 540 nm, and the emission peak of the red phosphor may be 620 to 640 nm.

According to the light emitting diode lamp for a lighting device for a kitchen lighting having the above-described configuration, even under the condition that the humidity is high and it must be used for a long time, it is less influenced by humidity and can be reliably operated with high reliability.

Further, according to the embodiment of the present invention, since the moisture is not introduced into the light emitting diode module with a simple and inexpensive structure, the economical efficiency is very high.

Also, according to the embodiment of the present invention, the reddish meat can be seen more clearly, which can help the sales increase, and even when the meat is high, this is clearly visible, so that the consumer can buy meat of good quality.

In addition, CIE International, ENERGY STAR, and KS have developed colors that are suitable for meat in white light, so they have the effect of sharpening the color of meat without distorting the original color.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention. FIG.
Fig. 2 is an exploded perspective view of a light emitting diode lamp for lighting a meat, which is one embodiment of the present invention. Fig.
3 is a view illustrating a state in which a guide rail is coupled to a heat sink provided with a light emitting diode module in a light emitting diode lamp for lighting a meat lighting,
3 is a cross-sectional view of a lamp housing of a light emitting diode lamp for lighting a meat, which is one embodiment of the present invention.
4 is a cross-sectional view of a heat sink of a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention.
FIG. 5 is a perspective view of a socket module of a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention. FIG.
FIG. 6 is a cross-sectional view of an LED chip used in a light emitting diode lamp for a lighting device according to an embodiment of the present invention. FIG.
FIG. 7 is a color coordinate for indicating a color gamut of output light of an LED chip used in a light emitting diode lamp for an embodiment of the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. The embodiments are provided to explain the present invention to a person having ordinary skill in the art to which the present invention belongs.

1 is a perspective view of a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention. 1, the light emitting diode lamp 100 for a lighting fixture according to an embodiment of the present invention includes a tubular lamp housing 10 having both open sides, And a socket module 50 for supplying the power of the tubular fluorescent lamp.

In the tubular lamp housing 10, a plurality of light emitting diode modules 40 and a metal heat sink 30 may be provided on one surface of the plurality of light emitting diode modules 40.

Specific configurations thereof will be described in detail with reference to Figs. 2 to 5. Fig.

FIG. 2 is an exploded perspective view of a light emitting diode lamp for a lighting fixture according to an embodiment of the present invention. FIG. 3 is a perspective view illustrating a state where the light emitting diode module is coupled to a heat sink provided with a light emitting diode module, FIG. 4 is a cross-sectional view of a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention, and FIG. 5 is a perspective view of a module socket of a light emitting diode lamp for a lighting fixture, which is one embodiment of the present invention. 2, the light emitting diode lamp 100 for a lighting fixture for a kitchen lighting according to an embodiment of the present invention includes a lamp housing 10 in which a guide rail 20 is installed, And a socket module 50 for supplying external power to the light emitting diode module 40 installed in the lamp housing 10.

The lamp housing 10 is generally tubular and may be made of a translucent plastic material in order to scatter light having a high directivity to be emitted from the light emitting diode module 40 by installing the light emitting diode module 40 therein.

At one side of the lamp housing 10, a guide rail 20 is formed. In the guide rail 20, a heat sink for mounting the light emitting diode module 40 is fitted and the light emitting diode module 40 is fixed. 3, the light emitting diode module 40 is installed on the metallic heat sink 30, and the heat sink is inserted into and fixed to the guide rail 20 formed on one side of the lamp housing 10 do. The first heat sink (31) (fitted to the guide rail (20)) and the hollow hole (35) of the first heat sink are formed to be in contact with the inner surface of the lamp housing And a second heat sink 33 (see FIG. 4).

3, the heat sink 30 includes a first heat sink 31 and a second heat sink 33. The first heat sink 31 and the second heat sink 33 form a hollow hole The heat radiation efficiency is improved and the area of the first heat radiation plate is wide, so that the heat absorption effect is also excellent.

The hollow hole 35 formed by the first heat radiating plate 31 and the second heat radiating plate 33 is formed in a space in which the fastening screw 53 for integrating the socket module 50 and the lamp housing 10 is inserted .

5, the socket module 50 includes a socket housing 51 forming an outer shape of the socket module 50, a guide hole 52 formed inside the socket housing 51, A fastening screw 53 which is inserted into the hole 52 and the hollow hole 35 of the heat dissipating plate so as to fasten the socket module 50 and the lamp housing 10, And a power supply connection unit 55 connected to the plurality of light emitting diode modules 40 and connected to the heat sinks.

The socket housing 51 forms an outer shape of the socket module 50 and includes an insertion portion 51-1 inserted into the lamp housing 10 and an insertion portion 51-1 protruded from the insertion portion 51-1, And a socket portion 51-2 having a shape extending from the socket portion 10. The socket housing 51 can be made of a plastic material which is excellent in insulation and workability and is inexpensive.

The sealing ring 56 is fitted to the outside of the socket inserting portion 51-1 so that foreign substances or moisture can be prevented from penetrating into the lamp housing 10. [

The power supply connection part 55 is installed on the inner surface of the socket housing 51 so that the light emitting diode module 40 is connected to the power supply connection part 55, And is inserted into a power input terminal disposed on a heat sink to supply power to the light emitting diode module 40.

The guide hole 52 extends from the inner surface of the socket housing 51 and has an end located on the same plane as the end of the socket housing 51. The hollow hole 51 formed by the heat sink 30 35). As a result, the fastening screw 53 is inserted into the hollow hole 35 through the guide hole 52, so that the socket module 50 and the lamp housing 10 are fastened together.

With the above configuration, the socket module 50 and the lamp housing 10 can be sealed and integrated inexpensively and simply, so that moisture and fine foreign substances do not penetrate into the lamp housing 10, Therefore, it is possible to operate stably even in an environment with extremely high humidity such as a viewing booth of a meat meat store.

Hereinafter, an LED chip used in a light emitting diode lamp for illumination that allows meats to be seen more clearly by the light irradiated from the light emitting diode lamp for lighting a kitchen lighting apparatus having the above-described configuration will be described.

FIG. 6 is a cross-sectional view of an LED chip used in a light emitting diode lamp for a lighting device for an embodiment of the present invention.

The light emitting diode lamp 40 may include an LED chip 41 for outputting illumination light and a molding part 43 for surrounding the LED chip 41.

The LED chip 41 is a blue LED having excellent luminous efficiency. The blue irradiation light is excited by the fluorescent material contained in the molding part 43 and is output as white light. This white output light has a color coordinate value of the following formula.

[expression]

X? Y? X + 0.1

Here, 0.31? X? 0.35

The output light of the blue irradiation light has a peak wavelength of 435 to 455 nm and the output light of the area satisfying the above expression among the output light of the white light area is output.

In other words, the light of the color coordinate table which makes the light itself appear as white light is outputted while taking into consideration the intrinsic color of maroon meat and the marbling contrast. The consumer can gain a high degree of freshness of the meat and clearly recognize the meat when the meat is bad so as to obtain the trust of the consumer as well as to increase the meat sales.

The molding part 43 for the light output is made of a molding solution containing 85% by weight of silicon and 15% by weight of a phosphor, wherein the phosphor is a nitride-based phosphor which is resistant to heat and moisture. This takes into consideration the case where the lamp according to the present invention is used in a humid meat refrigerator.

On the other hand, for the light output of the color coordinate table, the phosphor contained in the molding part 43 includes 83 to 88% by weight of a yellow fluorescent substance and 12 to 17% by weight of a red fluorescent substance, Is 540 to 545 nm, and the emission peak of the red phosphor is 620 to 640 nm.

On the other hand, the phosphor may include 80% by weight of the green phosphor and 20% by weight of the red phosphor, wherein the emission peak of the green phosphor is 520 to 540 nm and the emission peak of the red phosphor is 620 to 640 nm .

The color region of the output light of the red-light illumination LED lamp having the above-described configuration according to an embodiment of the present invention will now be described with reference to FIG.

FIG. 7 is a color coordinate for indicating a color gamut of output light of an LED lamp for a magenta light source according to an embodiment of the present invention. Here, the portion A is the color region of the output light of the peri-color illumination LED lamp according to the present invention, and the portion B is the white light region.

As described above, since the output light having the color coordinates of the A portion of the white light region is output, the redish meat can be seen more clearly, which can help to increase the sales, and even when the meat is high, Consumers will be able to buy quality meat.

According to the light emitting diode lamp for a lighting device for a kitchen lighting having the above-described configuration, even under the condition that the humidity is high and it must be used for a long time, it is less influenced by humidity and can be reliably operated with high reliability.

Further, according to the embodiment of the present invention, since the moisture is not introduced into the light emitting diode module with a simple and inexpensive structure, the economical efficiency is very high.

Also, according to the embodiment of the present invention, the reddish meat can be seen more clearly, which can help the sales increase, and even when the meat is high, this is clearly visible, so that the consumer can buy meat of good quality.

In addition, CIE International, ENERGY STAR, and KS have developed colors that are suitable for meat in white light, so they have the effect of sharpening the color of meat without distorting the original color.

It is to be understood that the above-described embodiments of the light emitting diode lamp for a lighting fixture of the present invention are not limited to the configuration and method of the embodiments described above, but the embodiments may be modified such that all or some of the embodiments are selectively combined .

100: Light emitting diode lamp for meat lighting
10: Housing
20: Guide rail
30: Metal heat sink
40: Light emitting diode module
50: Socket module
51: socket housing
52: Guide hole
53: Tightening screw
54: terminal
55: Power supply

Claims (14)

Tubular lamp housing;
A guide rail installed in the tubular lamp housing;
A metal heat sink inserted into the guide rail;
A plurality of light emitting diode modules installed on one surface of the heat sink; And
And a socket module hermetically installed at both ends of the tubular lamp housing to supply power to the light emitting diode module,
The light emitting diode module includes:
An LED chip for outputting irradiation light having a peak light wavelength of 435 to 455 nm
And a chip molding unit molding the LED chip and including a phosphor,
The output light passing through the chip molding section satisfies a color index range of the following formula among the white light regions in the CIE x, y color coordinates,
The chip molding portion is made of a molding solution containing 85% by weight of silicon and 15% by weight of a phosphor,
Wherein the phosphor is a nitride-based fluorescent material, wherein the fluorescent material comprises 83 to 88% by weight of a yellow fluorescent substance and 12 to 17% by weight of a red fluorescent substance.
[expression]
X? Y? X + 0.1
Here, 0.31? X? 0.35 The method according to claim 1,
The metal-
A first heat sink fitted to the guide rail; And
And a second heat sink installed to form a hollow hole with the first heat sink and closely attached to the inner surface of the lamp.
3. The method of claim 2,
The socket module includes:
A socket housing forming an outer shape of the socket module;
A guide hole formed inside the socket housing; And
And a fastening screw inserted into the guide hole and the hollow hole of the second heat sink to fasten the socket module and the tubular lamp housing.
The method of claim 3,
Wherein the guide hole extends from an inner surface of the socket housing, and an end of the guide hole is located in the same plane as an end of the socket housing.
The method of claim 3,
The socket module includes:
A pair of terminals provided on an outer surface of the socket housing; And
And a power supply connection part connected to the plurality of light emitting diode modules to supply power to the plurality of light emitting diode modules.
6. The method of claim 5,
The socket housing includes:
An inserting portion inserted into the lamp housing; And
And a socket portion protruding from the insertion portion and having a shape extending from the lamp housing.
The method according to claim 6,
The socket module includes:
Further comprising a sealing ring provided on the outer side of the inserting portion.
delete delete delete delete The method according to claim 1,
Wherein an emission peak of the yellow phosphor is 540 to 545 nm and an emission peak of the red phosphor is 620 to 640 nm. delete delete

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