JP2008089279A - refrigerator - Google Patents

Abstract

In a refrigerator in which a plurality of LED light emitting elements are arranged and used as an interior lamp, the design around the interior lamp and the visibility of stored food in the interior are improved.
In a refrigerator in which a plurality of LED light-emitting elements 16 are arranged and used as an interior lamp, each LED light-emitting element 16 has a different luminance. For example, the LED light-emitting element 16 has a high luminance in the upper and lower sides and a luminance toward the center. If it becomes low, the light of the LED light emitting element 16 can be made to reach the whole inside of a store | warehouse | chamber, As a result, the visibility of the foodstuff etc. in a store | warehouse | chamber can be improved.
[Selection] Figure 1

Description

  The present invention relates to a refrigerator using an LED light emitting element for an interior lamp.

  2. Description of the Related Art Conventionally, there is a refrigerator that has a refrigerator interior light on the top surface in a refrigerated room (see, for example, Patent Document 1).

  Hereinafter, the conventional refrigerator will be described with reference to the drawings.

FIG. 4 is a front perspective view of a conventional refrigerator. The refrigerator 101 is provided with a lighting device 102 on the upper surface of the refrigerator 101. The lighting device 102 has a plurality of semiconductor light emitting elements 104 arranged side by side on a mounting substrate 103. . When the opening / closing door 105 of the refrigerator 101 is opened, the semiconductor light emitting elements 104 arranged in parallel on the mounting substrate 103 of the lighting device 102 are controlled to be turned on instantaneously.
Japanese Patent Laid-Open No. 11-159953

  However, in the conventional refrigerator, since the lighting device 102 is provided on the upper surface of the refrigerator 101, it is difficult for the light of the internal lamp to reach the lower surface of the refrigerator 101, and the visibility of food in the refrigerator is poor. It had a problem.

  This invention solves the said conventional subject, and it aims at providing the refrigerator which improved visibility of the foodstuffs etc. of the whole inside of a store | warehouse | chamber.

  In order to solve the above conventional problems, the refrigerator of the present invention is a refrigerator in which a plurality of LED light emitting elements are arranged to make an interior lamp, and each LED light emitting element has a different brightness.

  Thereby, the light from the LED light emitting element can reach the entire interior.

  The refrigerator of the present invention uses LED light emitting elements for the interior lamp, and by arranging a plurality of LED light emitting elements to form an interior lamp, each LED light emitting element has a different brightness, so that the entire interior is illuminated with light. It is possible to improve the visibility of food in the cabinet.

  The invention according to claim 1 is a refrigerator in which a plurality of LED light emitting elements are arranged and used as an interior lamp, wherein the LED light emitting elements have different luminances, and the light from the LED light emitting elements goes to the entire interior. It can be delivered, and the visibility of food in the storage can be improved.

  The invention according to claim 2 is the invention according to claim 1, wherein a plurality of LED light emitting elements are arranged in the vertical direction of the vertically long substrate, and the vertically long substrate is arranged on the inner wall surface. The light of the LED light emitting element can be efficiently diffused in the storage.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the plurality of LED light emitting elements are arranged such that the upper and lower luminances are higher and the luminance is lower toward the center. Visibility of foods and the like can be efficiently increased while increasing

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein a plurality of shelves are provided on the upper and lower sides of the cabinet, and LED light emitting elements are arranged across the plurality of shelves. Yes, the visibility of foods and the like can be further efficiently increased over the top and bottom of the storage while increasing the illuminance in the storage.

  The invention according to claim 5 is the invention according to claim 4, wherein the plurality of shelves are configured by glass shelves, and the design around the interior lamp is further achieved by the light transmission and reflection action of the glass shelves. And visibility of food, etc. can be enhanced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention with the door removed, FIG. 2 is a schematic perspective view of components in the refrigerator compartment of the embodiment, and FIG. 3 is an LED mounting substrate of the embodiment. It is a front view.

  In FIG. 1 to FIG. 3, the refrigerator 1 has a refrigerator compartment 2 in the upper part and a freezer compartment 3 in the lower part through a heat insulating partition wall 4. In the refrigerator compartment 2, a plurality of glass shelves 5 are provided on the upper and lower sides, and a resin decorative member is attached to the front edge of the glass shelf 5. A storage container 7 that can be pulled out forward is provided at the lowermost part of the refrigerator compartment 2.

  In addition, a duct 8 made of styrene foam for supplying cool air from a cooler and a fan (not shown) to the interior of the refrigerator compartment 2 is provided, and a duct made of resin so as to cover the duct 8 A cover 9 is provided. The duct cover 9 has a concave portion 14 for accommodating the vertically long substrate 10 at a substantially central portion in the left-right direction, and has a discharge port 12 at the top and a suction port 13 at the bottom. Further, the duct cover 9 has projections 15 in the vicinity of the left and right side surfaces, and serves as a stopper for contacting the inner surface of the glass shelf 5. In addition, a lamp cover 11 is provided on the front surface of the vertically long substrate 10 and is attached to the duct cover 9 after the substrate 10 is mounted.

  Further, a plurality of LED light emitting elements 16 are arranged on the vertically long substrate 10 so as to be soldered to the conduction circuit 17 and energized from the electric wires 18, and the vertically long substrate 10 is disposed across the plurality of glass shelves 5. To do. And the receiving part 21 of the glass shelf 5 is integrally provided in the inner box so that the LED light emitting element 16 may be arranged between at least the plurality of glass shelves 5. Further, a door switch 22 is provided on a side surface in the refrigerator compartment 2 to detect opening / closing of a rotary refrigerator compartment door that covers the front surface of the refrigerator compartment 2.

  In addition, a temperature sensor 20 that controls the internal temperature is integrally disposed below the substrate 10 and is electrically connected to the control substrate (not shown) from the electric wire 19.

  Further, the plurality of LED light emitting elements 16 are linearly arranged on the vertically long substrate 10, and the dimensions between the respective LED light emitting elements 16 are substantially equal.

  In the above configuration, the operation will be described below.

  The operation of the compressor and the fan is controlled by the temperature sensor 20 in the refrigerator compartment 2, the cool air from the cooler is cooled from the discharge port 12 through the duct 8, and returned to the cooler from the suction port 13. Thus, the inside of the refrigerator compartment 2 is cooled to a predetermined temperature.

  When the rotary refrigerator door that covers the front surface of the refrigerator compartment 2 is opened, the LED light emitting element 16 is energized from the control board by the door switch 22 and the LED light emitting element 16 as an interior lamp emits light and irradiates the inside of the warehouse. To do.

  At this time, a plurality of LED light emitting elements 16 are arranged on the vertically long substrate 10 so as to be soldered to the conduction circuit 17 and energized from the electric wires 18, and the vertically long substrate 10 extends over the plurality of glass shelves 5. It is possible to reduce the depth space for installing the interior lamp and effectively use the interior. Further, the LED light emitting element 16 has a high luminance in the vertical direction and a low luminance in the center. Further, the LED light emitting element 16 emits light for a long time across the plurality of glass shelves 5 in the vertical direction on the back of the interior, and the design around the interior lamp, Etc. can be improved.

  Moreover, since the LED light-emitting element 16 is arranged between at least the plurality of glass shelves 5, the light from the LED light-emitting element can be made to reach the entire interior, and the visibility of foods and the like is further improved. Can do.

  Moreover, since the plurality of LED light emitting elements 16 are linearly arranged on the vertically long substrate 10 and the dimensions between the LED light emitting elements 16 are substantially equal, the balance of the plurality of light emitting units on the substrate 10 is balanced. In addition, the visibility of the design and food around the interior lamp can be improved.

  Moreover, since the shelf of the refrigerator compartment 2 is composed of a plurality of glass shelves 5, the light permeability and reflection action of the glass shelves 5 can further enhance the designability around the interior lamp, the visibility of food, and the like. it can.

  In the present embodiment, the linearly arranged on the vertically long substrate 10 and the dimensions between the LED light emitting elements 16 are substantially equal to each other. However, the plurality of LED light emitting elements 16 are arranged on the vertically long substrate 10. Arranged linearly on the top, non-uniform dimensions between the LED light emitting elements 16, for example, the upper LED spacing is closer than the lower, the central LED is closer, the lower LED spacing is upper It may be closer. Thereby, the intensity of light can be set on the vertically long substrate, and the visibility of new designs, foods, etc. according to the respective shelf installation shapes can be improved. In addition, the respective LED light emitting elements may be arranged in a staggered manner on the substrate 10.

  Further, in the present embodiment, a description has been given of a single LED light emitting element 16 arranged with a predetermined interval in the vertical direction, but a plurality of LED light emitting elements concentratedly arranged with a predetermined interval in the vertical direction. May be arranged. In this case, the illuminance inside the cabinet can be increased efficiently.

  In the present embodiment, the refrigerator 2 has the door switch 22. However, the door switch 22 may not be provided, and continuous energization may be performed in synchronization with the power source of the refrigerator. In this case, the door switch 22 can be omitted, and the cost can be further reduced.

  Moreover, although the receiving part 21 of the glass shelf 5 is integrally provided in the inner box in the refrigerator compartment 2, this receiving part 21 is provided more than the number of the glass shelves 5 in the side surface in the refrigerator compartment 2, and the glass shelf 5 is provided. The LED light-emitting element 16 is set so as to be positioned between the plurality of glass shelves 5 in any state where the glass shelves 5 are arranged in each of the receiving portions 21, while improving the usability of the shelves. The visibility of foods and the like can be reliably increased.

  As described above, the refrigerator according to the present invention uses an LED light emitting element as an interior light, and can efficiently diffuse and irradiate light from a plurality of LED light emitting elements having different brightness into the interior. Since the design properties around the inner lamp and the visibility of foods and the like can be improved, the present invention can also be applied to general refrigerator applications that use LED light emitting elements for the inner lamp.

The front view of the state which removed the door of the refrigerator in Embodiment 1 of this invention Schematic component perspective view in the refrigerator compartment of the embodiment Front view of LED mounting board of the embodiment Front perspective view of a conventional refrigerator

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Cold room 5 Glass shelf 10 Board | substrate 16 LED light emitting element

Claims (5)

  In a refrigerator in which a plurality of LED light emitting elements are arranged and used as an interior lamp, the LED light emitting elements have different luminances.   2. The refrigerator according to claim 1, wherein a plurality of LED light emitting elements are arranged in a vertical direction of the vertically long substrate, and the vertically long substrate is disposed on an inner wall surface of the refrigerator.   The refrigerator according to claim 1 or 2, wherein the plurality of arranged LED light emitting elements have high luminance in the upper and lower sides and lower luminance in the center.   The refrigerator according to any one of claims 1 to 3, wherein a plurality of shelves are provided in the upper and lower sides of the cabinet, and LED light emitting elements are arranged across the plurality of shelves.   The refrigerator according to claim 4, wherein the plurality of shelves are configured by glass shelves.

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