JP2007139317A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve safety of a refrigerator using a combustible refrigerant and to provide a refrigerator with enhanced design property of the circumference of an interior light and visibility of foods. <P>SOLUTION: In the refrigerator 1 using the combustible refrigerant equipped with a plurality of glass shelves 5 on upper and lower portions on the inside thereof, LED light emitting elements 16 are used as the interior light, the LED light emitting elements 16 are arranged on a board 10, and the board 10 is arranged over the plurality of glass shelves on the wall face inside the refrigerator 1. By this structure, cause of firing from the interior light can be eliminated, the interior light can be smartly composed, safety of the refrigerator 1 can be enhanced, and design property of the circumference of the interior light and visibility of foods can be enhanced. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a refrigerator provided with an interior lamp.

  In recent years, refrigerators have been defluorinated using a flammable refrigerant, and it is necessary to consider the environment. Therefore, in the unlikely event that flammable refrigerant leaks into the refrigerator, the lamp socket has a sealed structure and the door switch is a non-contact type so that it does not ignite from the contact of the interior lamp. ing. Moreover, there exists what equipped the interior lamp | ramp on the top | upper surface in the interior (for example, refer patent document 1).

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

  FIG. 4 is a schematic cross-sectional view of a conventional refrigerator. A refrigerator 101 using a flammable refrigerant as a refrigerant in a refrigeration apparatus has a refrigerator compartment 102 at the top and a refrigerator compartment 103 at the bottom. Inside the room 102 is provided with a cold air passage 104 on the back surface, and has an interior lamp 105 with a lamp socket sealed structure and an explosion-proof structure at the top of the back surface, and a contactless door switch 106 on the front side wall of the refrigerator room 102 is provided. It is installed and the opening and closing of the refrigerator compartment door 107 is detected to control the lighting and extinguishing of the interior lamp 105. The refrigerator compartment 102 includes a plurality of food shelves 108.

With the above configuration, when the refrigerator compartment door 107 is opened, the door switch 106 is short-circuited and the interior lamp 105 is turned on. When the refrigerator compartment door 107 is closed, the door switch 106 is opened and the interior lamp 105 is turned off.
Japanese Utility Model Publication No. 6-56681

  However, in the above-described conventional refrigerator, even if flammable refrigerant leaks into the refrigerator, the lamp socket has a sealed structure and the door switch 106 is not provided so that ignition does not occur from the contact of the interior lamp 105 considering service replacement. There is a problem that it is expensive because it must be made to be explosion proof as a contact specification, and the shape of the interior lamp 105 provided with the lamp socket is uneven, resulting in poor design and poor appearance.

  The present invention solves the above-mentioned conventional problems, and provides a refrigerator that enhances the safety of a refrigerator that uses a flammable refrigerant, and has improved designability around the interior lamp, visibility of food, etc. Objective.

  In order to solve the above-mentioned conventional problems, the refrigerator of the present invention uses an LED light emitting element as an interior light in a refrigerator using a combustible refrigerant having a plurality of shelves in the upper and lower sides, and the LED light emitting element It arrange | positions on a vertically long board | substrate and arrange | positions the said vertically long board | substrate over the said several shelf on the inner wall surface.

  As a result, it is possible to eliminate the cause of ignition from the interior lamp, and it is possible to arrange the LED lamp neatly without disposing space by arranging the LED light emitting elements on the vertically long substrate.

  The refrigerator of the present invention can enhance the safety of a refrigerator using a flammable refrigerant, and can improve the design properties around the interior lamp, the visibility of food, and the like.

  Invention of Claim 1 WHEREIN: In the refrigerator using the combustible refrigerant | coolant provided with the several shelf in the upper and lower sides in a store | warehouse | chamber, using the LED light emitting element as an interior lamp, arrange | positioning the said LED light emitting element on a vertically long board | substrate, The vertical board is arranged across the plurality of shelves on the inner wall surface, and it is possible to eliminate the cause of ignition from the internal lamp, and it does not take place by arranging the LED light emitting element on the vertical board, A clean and interior lamp can be arranged, the safety of the refrigerator can be improved, and the design of the vicinity of the interior lamp, the visibility of food, etc. can be enhanced.

  The invention according to claim 2 is the invention according to claim 1, wherein a plurality of LED light emitting elements are arranged in a vertical direction of the vertically long substrate, and at least the LED light emitting elements are arranged between the plurality of shelves. Yes, the light of the LED light emitting element can be made to reach the entire interior, and the visibility of food and the like can be further improved.

  The invention according to claim 3 is the invention according to claim 2, wherein the plurality of LED light emitting elements are linearly arranged on a vertically long substrate, and the dimensions between the LED light emitting elements are substantially equal. In addition, it is possible to enhance the designability around the interior lamp and the visibility of foods and the like.

  The invention according to claim 4 is the invention according to claim 2, wherein the plurality of LED light emitting elements are linearly arranged on a vertically long substrate, and the dimensions between the LED light emitting elements are made uneven. Yes, it is possible to set the intensity of light on the vertically long substrate, and to improve the visibility of new designs and foods according to the respective interior shapes.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the plurality of shelves are configured by glass shelves, Furthermore, the designability around the interior lamp and the visibility of food, etc. can be enhanced.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, further comprising a duct and a duct cover for cooling the interior of the interior on the back of the interior, wherein the vertically long board is attached to the duct cover. Therefore, it is possible to improve the attachment of the interior lamp and the assembly of the refrigerator.

  The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein a temperature sensor for controlling the internal temperature is integrally arranged on the vertically long substrate, and the substrate of the temperature sensor By using both the LED board and the LED board, the cost can be further reduced and the assembly of the refrigerator can be improved.

  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)
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 the refrigerator of the embodiment. It is a front view of a LED mounting board.

  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 inside of the refrigerator is provided on the rear surface of the refrigerator compartment 2, 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 convex portions 15 in the vicinity of the left and right side surfaces, and serves as a stopper for contacting the back 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.

  Note that isobutane, which is a flammable refrigerant, is applied to the refrigeration cycle constituting the refrigeration apparatus of the refrigerator 1 of the present invention, and the operation of the compressor is controlled by the temperature sensor 20 in the refrigerator compartment 2.

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

  By controlling the operation of the compressor and fan 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. The inside of the refrigerator compartment 2 is cooled to a predetermined temperature.

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

  At this time, since the LED light emitting element 16 is used as the interior light, in the present invention in which isobutane which is a flammable refrigerant is applied to the refrigeration cycle constituting the refrigerator refrigeration apparatus, even if the refrigerant leaks, The ignition factor can be eliminated and the safety of the refrigerator can be improved.

  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. As a result, the depth of the interior lamp can be reduced and the interior can be used effectively. Moreover, the visibility of the design around the interior lamp, the food, etc. can be enhanced by causing the interior back surface to emit light for a long time across the plurality of glass shelves 5 in the vertical direction.

  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, it is possible to further improve the designability around the interior lamp and the visibility of foods and the like.

  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 addition, a duct 8 and a duct cover 9 for cooling the interior of the refrigerator compartment 2 are provided on the back of the refrigerator compartment 2, and a vertically long substrate 10 is attached in the recess 14 of the duct cover 9. Assemblability can be improved.

  In addition, since the temperature sensor 20 for controlling the internal temperature is integrally disposed at the lower part of the substrate 10, the use of the substrate of the temperature sensor 20 and the LED substrate 10 further reduces the cost and the assembly of the refrigerator. Can be improved.

  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 can improve the safety of a refrigerator using a flammable refrigerant, and can improve the designability around the interior lamp, the visibility of food, etc. It can also be applied to refrigeration equipment in general that uses a refrigerated refrigerant and requires an interior light.

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 refrigerator of the same embodiment Front view of LED mounting board of refrigerator of the embodiment Schematic sectional view of a conventional refrigerator

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Refrigerated room 5 Glass shelf 8 Duct 9 Duct cover 10 Board | substrate 16 LED light emitting element 20 Temperature sensor

Claims (7)

  In a refrigerator using a flammable refrigerant having a plurality of shelves above and below the interior of the refrigerator, an LED light-emitting element is used as an interior light, the LED light-emitting element is disposed on a vertically long board, and the plurality of vertically long boards are placed on the inner wall surface. A refrigerator characterized by being placed across a shelf.   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 at least the LED light emitting elements are arranged between the plurality of shelves.   The refrigerator according to claim 2, wherein the plurality of LED light emitting elements are linearly arranged on a vertically long substrate, and the dimensions between the LED light emitting elements are substantially equal.   The refrigerator according to claim 2, wherein the plurality of LED light emitting elements are linearly arranged on a vertically long substrate, and the dimensions between the respective LED light emitting elements are made uneven.   The refrigerator according to any one of claims 1 to 4, wherein the plurality of shelves are configured by glass shelves.   The refrigerator according to any one of claims 1 to 5, further comprising a duct and a duct cover for cooling the interior of the interior of the refrigerator, wherein the vertically long board is attached to the duct cover.   The refrigerator according to any one of claims 1 to 6, wherein a temperature sensor for controlling a temperature inside the cabinet is integrally disposed on the vertically long substrate.

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