JP2010063536A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator which can evenly illuminate merchandise displayed in the refrigerator, and which has a high heat insulation property. <P>SOLUTION: The refrigerator is provided with a door body 30 having a window part 20 composed of a glass plate 21 at the opening part 14 of a refrigerator body 10. The door body includes the window part and a heat insulating part 35 provided in the surroundings of the window part. The insulating part is composed of a pair of surface materials 31, a frame material 32 arranged in the surroundings of these surface materials, and a heat insulating core material 34 which fills the space formed by the surface material and the frame material. A longitudinal concave part 41 is provided on both sides of the window part on the refrigerator inner face of the heat insulating part. LEDs 46 are arranged at proper intervals inside the concave part. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  In particular, the present invention relates to a refrigerator having a function as a showcase that illuminates cold food items such as fresh food and fresh flowers housed in the warehouse by illumination provided in the warehouse.

  In general, in order to display items that need to be refrigerated, such as fresh flowers and fresh foods, for example, a refrigerator provided with illumination and a cooler in a showcase having a transparent portion made of glass is used.

  As a refrigerator of this type, a showcase is known in which a fluorescent lamp, which is a light source for illumination, is arranged on the upper part of a warehouse due to the storage space in the warehouse (see, for example, Patent Document 1).

Further, in a refrigerated showcase provided with a door provided with a multi-layer transparent plate at the opening of a storage room, an illumination device made of, for example, a fluorescent lamp is arranged between the multi-layer transparent plates (for example, Patent Document 2).
Japanese Patent Laid-Open No. 4-193112 (Claims, FIGS. 1 and 8) Japanese Patent Laying-Open No. 2003-79488 (Claims, FIG. 4)

  However, since the showcase described in Patent Document 1 has a structure in which a fluorescent lamp is arranged on the upper part of the box, there is a problem in that the products displayed in the box are not illuminated uniformly. That is, there is a problem that the products displayed in the upper part of the warehouse are excessively illuminated and the products displayed in the lower part of the warehouse are not illuminated sufficiently.

  On the other hand, in the refrigerated showcase described in Patent Document 2, since the lighting devices made of fluorescent lamps are arranged on the left and right between the multilayer transparent plates provided in the door body, the products displayed in the cabinet Can be illuminated uniformly. However, since the thing of patent document 2 is a structure where the illuminating device which consists of a fluorescent lamp is arrange | positioned between the multilayer transparent plates with which the door body was equipped, the illuminating device becomes very large, Insulating material cannot be arranged sufficiently. For this reason, there exists a problem that the heat insulation performance of a door body falls.

  This invention is made | formed in view of the said situation, and makes it a subject to provide the refrigerator which can illuminate the goods currently displayed in the store | warehouse | chamber uniformly and has high heat insulation.

  In order to solve the above problems, a refrigerator according to the present invention is a refrigerator in which a door body having a window portion made of a transparent plate is provided in an opening of a box, and the door body includes the window portion and the window portion. The heat insulating part comprises a pair of face members, a frame member disposed around the face members, and a foam filled in a space formed by the face member and the frame member. It is made of a heat insulating material, and is provided with longitudinal recesses on both sides of the window portion on the inner surface of the heat insulating portion, and light emitting elements are arranged at appropriate intervals in the recess. 1).

  By comprising in this way, a heat insulation part provided in the circumference of a window part which constitutes a door object is made up of a pair of face materials, a frame material arranged around these face materials, and a face material and a frame material. The light-emitting elements can be arranged at appropriate intervals in recesses provided on both sides of the window portion on the inner surface of the heat insulating portion.

  In the present invention, the recess is formed of a substantially hat-shaped section that forms a space in cooperation with the face material and the frame material, and the light emitting element is embedded in the foam heat insulating material. It is preferable to connect to a circuit board connected to the line.

  By configuring in this way, the concave portion can be formed by a shape member that is separate from the face material, so that it is possible to give a degree of freedom in the arrangement of the light emitting elements, and facilitate the mounting of the light emitting elements. Can do.

  Moreover, in this invention, you may make it provide a reflection part in the arrangement | positioning side of the light emitting element in the said recessed part.

  By comprising in this way, the light from the light emitting element arrange | positioned at the recessed part can be reflected by a reflection part, and can be guide | induced to the inner side of a store | warehouse | chamber.

  In addition, in the present invention, it is preferable to cover the opening of the recess with a transparent cover (claim 4).

  By comprising in this way, the quality of the light from a light emitting element can be changed with a transparent cover.

  According to this invention, since it is configured as described above, the following excellent effects can be obtained.

  (1) According to invention of Claim 1, the heat insulation part provided in the circumference | surroundings of the window part which comprises a door body is in the space which a pair of face material, a frame material, and a face material and a frame material form. Since the light emitting elements are arranged at appropriate intervals in the concave portions provided on both sides of the window portion on the inner surface of the heat insulation portion, the light emitting elements provided on the door body are placed in the warehouse. It is possible to illuminate the displayed products uniformly. Moreover, since the light emitting element is small in size, it is only necessary to provide a recess on the inner surface of the door body so that a heat insulating material can be disposed around the recess and the door body has high heat insulation. Can be made. Furthermore, since the light emitting element hardly generates heat, the surrounding heat insulating material is not affected, and the heat insulating property can be maintained.

  (2) According to the second aspect of the present invention, since the concave portion can be formed by a shape member that is separate from the face material, in addition to the above (1), a degree of freedom is further provided in the arrangement of the light emitting elements. In addition, the light emitting element can be easily attached.

  (3) According to the invention described in claim 3, since the light from the light emitting element disposed in the recess can be reflected by the reflecting portion and guided to the inside of the warehouse, in addition to the above (1) and (2) Further, the light generated from the light emitting element can be efficiently applied to the product displayed in the cabinet.

  (4) According to the invention described in claim 4, since the quality of light from the light emitting element can be changed by the transparent cover, in addition to the above (1) to (3), it is further displayed in the cabinet. It is possible to change the lighting for the merchandise.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the best embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view showing a state in which a door body of a refrigerator according to the present invention is opened, and FIG. 2 is a cross-sectional view of the door body (a) and an enlarged cross-sectional view showing an I part of (a), FIG. 3 is a schematic front view showing wiring of the illumination unit of the refrigerator.

  The refrigerator 1 according to the present invention includes a cabinet 10 having an opening 14 on one side, a door 30 that opens and closes the opening 14 of the cabinet 10, and a cooling unit 50 that supplies cold air into the cabinet 10. It is mainly composed of. In this case, the door body 30 includes a transparent window portion 20 at the center of the door body 30, and illumination units 40 are provided on both sides of the transparent window portion 20 inside the warehouse. Moreover, the cooling unit 50 is mounted on the upper part of the box body 10, and has a predetermined temperature in the box body 10 through a communication port (not shown) provided in the ceiling of the box body 10 by a blower fan (not shown). The cool air can be supplied.

  The cabinet 10 includes a rectangular bottom wall body 11 and three rectangular side wall bodies 12a, 12b, and 12c that are erected on the left and right sides of the bottom wall body 11 and one end sides of the left and right sides, respectively. The side wall bodies 12a, 12b, and 12c are formed in a box shape including a rectangular ceiling wall body 13 that covers the upper ends of the side wall bodies 12a, 12b, and 12c. Is installed so that it can be opened and closed. In addition, adjusters 3 are attached to the four corners of the bottom surface of the bottom wall 11, and casters (not shown) are attached to both rear ends.

  In this case, the bottom wall body 11, the side wall bodies 12 a, 12 b, 12 c and the ceiling wall body 13 are each made of a pair of surface materials 15 made of, for example, aluminum or steel plates, and for example aluminum connecting the sides of both surface materials 15 Heat insulation panel comprising a frame member 16 formed of an extruded shape made of plastic or vinyl chloride, and a heat insulating core member 17 made of, for example, polyurethane foam, which is filled in a space formed by the surface member 15 and the frame member 16 It is formed by.

  On the other hand, the door body 30 is also formed of a rectangular heat insulating panel in the same manner as the bottom wall body 11, the side wall bodies 12 a, 12 b, 12 c and the ceiling wall body 13 constituting the cabinet body 10. That is, the door body 30 is a frame material formed by a pair of surface materials 31 made of, for example, aluminum or steel plates, and an extruded shape material made of, for example, aluminum or vinyl chloride that connects the side portions of both surface materials 31 to each other. 32, a heat insulating core material 34 made of, for example, polyurethane foam, which is filled in a space formed by the surface material 31, the frame material 32, the window frame material 33, and an extruded shape member 42 made of, for example, aluminum which constitutes the illumination unit 40 described later. It is formed with the heat insulation panel which has the heat insulation part 35 which consists of these.

  As described above, the bottom wall body 11, the side wall bodies 12 a, 12 b, 12 c, the ceiling wall body 13, and the door body 30 are formed by the heat insulating panels having the surface materials 15, 31, in particular, the side wall bodies 12 a, 12 b. , 12c and the surface materials 15 and 31 of the door body 30 can be appropriately changed in color, pattern, and the like. Thereby, use of the refrigerator 1 can be made to correspond to Japanese style, Western style, etc., and a freedom degree can be given.

  In addition, a transparent window portion 20 (hereinafter referred to as a window portion 20) made of a rectangular transparent plate such as a glass plate 21 is provided at the center of the door body 30. The window portion 20 is a rectangular frame-shaped covering rubber member 23 provided around a holding surface of a holding frame 22 having a substantially crank-shaped cross section fixed to an inner peripheral surface of a channel-shaped window frame member 33 assembled in a rectangular shape. It is fixed to the frame via a frame member 24 made of synthetic rubber (see FIG. 2A).

  In addition, the illumination unit 40 is provided with longitudinal recesses 41 on both sides of the window 20 on the inner surface of the heat insulation unit 35, and light emitting elements 46 (hereinafter referred to as LEDs 46) are arranged in the recesses 41 at appropriate intervals. . In this case, the concave portion 41 is formed by an aluminum extruded profile 42 (hereinafter referred to as a profile 42) having a substantially hat-shaped cross section that forms a space in cooperation with the surface material 31, the frame material 32, and the window frame material 33. Is formed. In this case, the shape member 42 is formed in a substantially cross-sectional hat shape having outward flanges 45 at both opening side ends of the trapezoidal concave groove 44 in which the opening portion 42 expands.

  The LED 46 is connected to the circuit board 47 disposed in the concave groove 44 of the profile 42 formed as described above. The circuit board 47 is connected to a power supply lead wire 48 embedded in the heat insulating portion 35, that is, the heat insulating core material 34. The lead wire 48 is guided to the hinge 2 along the back surface of the surface material 31 of the door 30 and is connected to a power source (not shown) of the operation panel 51 provided in the cooling unit 50 (FIG. 3). reference).

  Further, a reflecting portion 49 made of a reflecting plate having a cross section substantially similar to the shape member 42 may be provided on the inner surface of the concave groove 44 of the shape member 42, that is, on the side where the LED 46 is disposed (FIGS. 2 and FIG. 2). 4). In this way, by providing the reflecting portion 49 on the side where the LED 46 is disposed in the concave groove 44 of the shape member 42, the light from the LED 46 disposed in the concave portion 41 is reflected by the reflecting portion 49 and guided to the inside of the warehouse. The light generated from the LED 46 can be efficiently applied to the product A displayed in the warehouse.

  The opening 42 of the recess 41 is covered with a transparent cover 60 made of, for example, a translucent acrylic resin (see FIG. 2). By covering the opening 42 of the recess 41 with the transparent cover 60 in this way, the quality of the light from the LED 46 can be changed by the transparent cover 60, so that the product A displayed in the warehouse can be changed. The lighting can be changed.

  In addition, the handle | steering-wheel part 70 is provided in the free end side in the front of the door body 30 along the up-down longitudinal direction of the door body 30 (refer FIG. 2). In this case, as shown in FIG. 2A, the handle portion 70 is a handle frame member 71 formed of an extruded aluminum member having a channel shape in section and connected to the surface member 31 on the front side of the door body 30. And a concave handle base 72 fitted into the concave groove of the handle frame member 71 and a handle member 73 having an L-shaped cross section fixed to one inner surface of the concave handle base 72. The handle frame material 71 forms a space filled with the heat insulating core material 34 in cooperation with the surface material 31, the frame material 32, the window frame material 33 and the shape material 42.

  As shown in FIG. 2, a seal packing 4 is provided around the box body 32 of the frame member 32 of the door body 30, and this seal packing 4 is an end face of the frame member 16 of the opening 14 of the box body 10. Is formed so as to be able to come into contact with a decorative frame 5 for holding a heater wire made of an extruded aluminum material that holds a heater wire (not shown) for preventing condensation.

  In order to produce the door body 30 configured as described above, when the space is formed by framing the surface material 31, the frame material 32, the window frame material 33, the shape material 42, and the handle frame material 71, the door body. The lead wire 48 drawn in from the hinge 2 side of 30 is fixed to the back surface of the front surface material 31 with a tape, for example, and led to the shape 42 side. Then, the heat insulating portion 35 is formed by filling the space with a heat insulating core material 34 made of polyurethane foam, for example. Since the foaming temperature of the heat insulating core material 34 at this time is about 40 ° C., the lead wire 48 is not subjected to a temperature change.

  According to the refrigerator of the present invention configured as described above, the heat insulating portion 35 provided around the window portion 20 constituting the door body 30 is replaced with a pair of surface material 31, frame material 32, and window frame material 33. LED 46 is arranged at appropriate intervals in recesses 41 formed on both sides of the window 20 on the inner surface of the heat insulating portion 35. The shape is formed by the shape material 42 and the heat insulating core material 34 filled in the space formed by the handle frame material 71. Therefore, the product A displayed in the cabinet can be uniformly illuminated by the LEDs 46 provided on the door body 30. Further, since the LED 46 is small in size, it is only necessary to provide the recessed portion 41 on the inner surface of the door body 30 so that the heat insulating core 34 can be disposed around the recessed portion 41. High thermal insulation can be given. Furthermore, since the LED 46 hardly generates heat, the surrounding heat insulating material is not affected, and the heat insulating property can be maintained. Furthermore, since the light from the LED 46 does not generate heat or ultraviolet rays, even if the contents (commodities) in the warehouse are fresh flowers or foodstuffs, they are not altered.

  Moreover, since the recessed part 41 can be formed with the shape member 42 different from the surface material 31, it can give freedom degree to arrangement | positioning of LED46, and attachment of LED46 can be made easy.

  In addition, although the case where the window part 20 was formed by the one glass plate 21 was demonstrated in the said embodiment, the window part 20 can also be made into the vacuum heat insulation glass which made the space the vacuum between them. Thereby, the heat insulation of the window part 20 can be improved, and by extension, the heat insulation of the door body 30 can be improved.

It is a perspective view which shows an example of the state which opened the door body of the refrigerator which concerns on this invention. It is sectional drawing (a) of the door body of the said refrigerator, and the I section expanded sectional view (b) of (a). It is a schematic front view which shows the wiring of the illumination part in this invention. It is a disassembled perspective view of the said illumination part. It is a principal part expanded sectional view which shows the wiring of the said illumination part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator 10 Storage body 14 Opening part 30 Door body 31 Surface material 32 Frame material 33 Window frame material 34 Thermal insulation core material (foam insulation core material)
35 Heat insulation part 40 Illumination part 41 Concave part 42 Shape 43 Opening part 44 Concave groove 46 LED (light emitting element)
47 Circuit board 48 Lead wire 49 Reflector 60 Transparent cover

Claims (4)

A refrigerator provided with a door provided with a window made of a transparent plate at the opening of the box,
The door body includes the window portion and a heat insulating portion provided around the window portion,
The heat insulating portion is composed of a pair of face materials, a frame material disposed around the face materials, and a foam heat insulating material filled in a space formed by the face material and the frame material,
Provided with longitudinal recesses on both sides of the window portion on the inner surface of the heat insulating portion, and arranged with light emitting elements at appropriate intervals in the recesses,
A refrigerator characterized by that. The refrigerator according to claim 1,
The concave portion is formed with a substantially hat-shaped cross section that forms a space in cooperation with the face material and the frame material,
The light emitting element is connected to a circuit board connected to a lead wire of a power source embedded in the foam heat insulating material,
A refrigerator characterized by that. In the refrigerator according to claim 1 or 2,
A refrigerator, wherein a reflection portion is provided on a side where the light emitting element is disposed in the recess. The refrigerator according to any one of claims 1 to 3,
A refrigerator comprising a transparent cover covering the opening of the recess.

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