JP2014137192A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of heating a position at which it is difficult to provide a heating source to a desired temperature and improving power saving performance while suppressing the heat value of the heating source provided on double doors for preventing dew condensation and frosting.SOLUTION: In a refrigerator including: a heat insulating box in which a stockroom is formed; and a cooler cooling the stockroom, a heat pipe 80 transporting heat of a heat absorption portion 82 to a heat radiation portion 84 and a heating source 40 arranged in contact with the heat absorption portion 82 are provided in a total partition body closing a portion between double doors.

Description

  Embodiments of the present invention relate to a refrigerator.

  Conventionally, refrigerators include dew-proof heaters or dew-proof pipes that prevent condensation due to temperature differences between the outside air and the refrigerator, defrost heaters that melt and remove frost attached to the cooler that cools the interior, and vegetables Various heating sources such as a temperature-guaranteed heater that prevents the chamber from being cooled more than necessary are provided (for example, see Patent Document 1 below).

  By the way, depending on the type and shape of the heating source, it may be difficult to arrange the heating source to every corner of the heating target in the refrigerator. In such a case, the desired temperature is reached to every corner of the heating target. The amount of heat generated by the heating source must be set to be large so that the power consumption can be reached.

JP 2012-72967 A

  The present invention has been made in consideration of the above-mentioned problems, and can suppress the amount of heat generated by the heating source and heat a position where it is difficult to arrange the heating source to a desired temperature, thereby improving power saving performance. It aims at providing the refrigerator which can be used.

  An embodiment of the present invention includes a heat insulating box having a storage chamber formed therein, a cooler that cools the storage chamber, a heat pipe that transports heat of the heat absorbing portion to the heat radiating portion, and a contact arrangement on the heat absorbing portion. And a heated source.

It is a front view of the state which opened the double doors of the refrigerator of the Example of this invention. It is explanatory drawing seen from the upper surface of the refrigerator compartment. It is a disassembled perspective view of a vertical partition, Comprising: It is the state which decomposed | disassembled only the main body. It is a disassembled perspective view of a vertical partition, and is the state which decomposed | disassembled the front wall, the heat conductive board, the heater, and the destruction member. It is a top view of the state which has arranged the heater and the heat pipe on the front wall. It is AA sectional drawing of FIG. It is a top view of the state which has arranged the heater and the heat pipe in the front wall in the refrigerator concerning the example of a change of the present invention.

  Hereinafter, the refrigerator 10 which concerns on 1st Embodiment of this invention is demonstrated with reference to drawings.

  As illustrated in FIG. 1, the refrigerator 10 includes a refrigerator main body 11 including a heat insulating box body filled with a heat insulating material between an outer box and an inner box, and a storage chamber is provided therein.

  The storage room provided inside the refrigerator main body 11 includes a refrigerating room 12 disposed at the top, an ice making room 14 and a temperature switching room 16 disposed adjacent to the left and right below the refrigerating room 12, and an ice making room. 14 and a vegetable compartment 18 disposed below the temperature switching chamber 16 and a freezer compartment 20 disposed below the vegetable compartment 18, and a cooler disposed at the rear of the vegetable compartment 18 and the freezer compartment 20. The cool air generated in is blown and cooled to a predetermined set temperature.

  The front opening of the refrigerator compartment 12 is closed by a double door left door 24 and a right door 26 that divide the opening in the width direction. The left door 24 and the right door 26 are pivotally supported by hinges 22 provided on both the left and right sides of the refrigerator main body. A gasket 28 having a magnet inside is attached to the peripheral edges of the back surface of the left door 24 and the right door 26 over the entire periphery.

  As shown in FIG. 2, a vertical partition 30 extending along the up-down direction is provided on the back surface of the counter-pivot side (right side in FIG. 2) facing the pivot side of the left door 24. It is rotatably attached by a hinge 78 at the right end, and is configured to rotate in conjunction with opening and closing of the left door 24. When the left door 24 is closed, the vertical partition 30 is provided on the rear surfaces of the left and right doors 24 and 26 so as to protrude from the right end of the left door 24 to the right door 26 as shown in FIG. When the left door 24 is opened with the gap between the right door 26 and the gasket 28 closed, the posture of the left door 24 is projected to the rear and the right door 26 is not hindered from opening and closing. Evacuate.

  Next, the structure of the vertical partition 30 is demonstrated based on FIGS.

  The vertical partition 30 includes a front wall 32 that forms a front portion of the vertical partition 30 and a box-shaped synthetic resin main body 34 that forms both sides and a rear portion of the vertical partition 30.

  The front wall 32 is attached to the rear surface of the front plate 33 and a front plate 33 made of a steel plate that forms a magnet attracting surface of the gasket 28 facing the rear surfaces of the left and right doors 24 and 26 with the right door 26 closed. And a heat conduction plate 36 made of a butyl plate.

  Between the front wall 32 and the main body 34, a vertically long rectangular parallelepiped heat insulating member 38 made of urethane foam or the like forming a heat insulating layer, a heater 40 disposed between the front wall 32 and the heat insulating member 38, and A heat pipe 80.

  The heater 40 is a heating source that prevents the occurrence of dew condensation on the front surface of the front wall 32 due to a temperature difference between the inside of the refrigerator and the outside air, and from the top of the front wall 32 of the vertical partition 30 as shown in FIG. It arrange | positions so that it may wrap around in a S shape to the lower part. Specifically, one end of the heater 40 is attached at approximately the center of the back surface of the front wall 32, and then disposed along one side of the front wall 32 up to the top of the front wall 32, and then the front wall 32. Is bent downward along the other side of the front wall 32 so as to be in parallel (two rows) with the heater 40 heading upward, and then the central portion of the front wall 32 Is arranged obliquely from one side to the other side, then is arranged downward along one side of the front wall 32, then bent at the lower part of the front wall 32, It is arranged upward along the other side portion of the front wall 32 so as to be in parallel (two rows) with the heater 40 directed downward, and finally reaches the central portion of the front wall 32 again. The heater 40 arranged in an S shape is covered and protected by a plate of aluminum foil 74 in order to improve heat conduction. The wiring of the heater 40 may be arranged in an inverted S shape that is symmetrical to the above.

  In FIG. 4, one end portion 40 a of the heater 40 drawn from the left side surface of the heat insulating member 38 is connected to the first lead wire 44 via the first connection portion 42. Similarly, the other end portion 40 b of the heater 40 drawn from the right side surface of the heat insulating member 38 is connected to the second lead wire 48 via the second connection portion 46.

  The first connection portion 42 is a tube-shaped member made of synthetic resin, and one end portion 40a of the heater 40 is inserted into one of the first connection portions 42, and the first lead wire 44 is inserted into the other. One end portion 40a of the heater 40 is housed in a groove-like left housing recess 50 formed on the left side surface of the heat insulating member 38, and turns to the rear surface of the heat insulating member 38 in a supported state, and then bends upward. And connected to the first connecting portion 42. The first connecting portion 42 is housed in a rear housing recess 52 formed in the vertical direction on the rear surface of the heat insulating member 38.

  The second connection portion 46 is a tube-shaped member made of synthetic resin, and the other end portion 40b of the heater 40 is inserted into one of the second connection portions 46, and the second lead wire 48 is inserted into the other. The other end portion 40b of the heater 40 is housed in a groove-like right housing recess 54 formed on the right side surface of the heat insulating member 38, reaches the rear surface of the heat insulating member 38 in a supported state, and then bends downward. It is bent and connected to the second connection part 46. The second connection portion 46 is housed in the rear housing recess 52.

  The first lead wire 44 connected to the first connection portion 42 reaches the upper portion of the heat insulating member 38 as it is, and reaches the lead wire fixing member 62 for connecting to the left door 24. On the other hand, the second lead wire 48 connected to the second connection portion 46 is bent upward, passes between the first connection portion 42 and the second connection portion 46, reaches upward, and is connected to the lead wire fixing member 62. .

  In addition, on both side surfaces of the heat insulating member 38, engagement recesses 70 that are engaged with a plurality of engagement claws 71 provided on the inner surface of the main body 34 are formed.

  The first lead wire 44 and the second lead wire 48 bundled by the lead wire fixing member 62 are pulled out from the lead wire fixing member 62 through the lead wire fixing member 62, and a connector 76 is attached to the tip thereof. .

  The heat pipe 80 is a pipe made of metal such as copper, in which hydraulic fluid such as water, alcohol or hydrocarbon refrigerant and a wick are sealed, and has an endotherm that absorbs heat released from the heater 40 at one end. A heat-dissipating part 84 that transports and releases the heat of the heater 40 absorbed by the heat-absorbing part 82 at the other end.

  As shown in FIG. 5, the heat pipe 80 is disposed at each of an upper end portion and a lower end portion of the vertical partition 30. The heat pipe 80 disposed at the upper end of the vertical partition 30 has a heat absorbing portion 82 applied to the back of the upper end of one heater 40 (the left heater in FIG. 5) of the heater 40 extending in the vertical direction in two rows. (See FIG. 6). The pipe constituting the heat pipe 80 extends upward from the heat absorbing portion 82, bends forward above the heater 40 (that is, toward the back surface of the front wall 32), and has a heat radiating portion 84 whose tip end abuts against the back surface of the front wall 32. Configure. The heat radiating portion 84 that comes into contact with the back surface of the front wall 32 is bent along the upper end corner portion of the front wall 32 and extends in the vertical direction in two rows (the heater on the right side in FIG. 5) 40. Ends with a gap above.

  Further, the heat pipe 80 arranged at the lower end portion of the vertical partition 30 is different from the heat pipe 80 arranged at the upper end portion in that the heat pipe 82 is inverted upside down. The heat radiating portion 84 is bent along the lower end corner of the front wall 32 while being in contact with the back surface of the front wall 32, and terminates with a space below the other heater 40.

  In addition, in this embodiment, although the case where the heat pipe 80 was arrange | positioned to both the upper-lower-end part of the vertical partition 30 was demonstrated, the heat pipe 80 may be arrange | positioned only to either an upper end part or a lower end part, Preferably, it is preferable to arrange the heat pipe 80 at least at the lower end. By arranging the heat pipe 80 at least at the lower end, even if dew condensation that occurs at the upper end of the vertical partition 30 flows down the vertical partition 30, the lower end of the vertical partition 30 Since it evaporates due to the heat of the heat radiating portion 84 of the heat pipe 80 disposed in the section, it is possible to prevent dew from dripping into the refrigerator compartment.

  In addition, as shown in FIG. 7, two heat pipes 80 may be arranged at the upper end or the lower end of the vertical partition 30.

  Furthermore, in the present embodiment to be described above, the case where the vertical partition 30 is provided with the heater 40 and the heat pipe 80 for preventing condensation has been described. However, the present invention is not limited to this, and for example, condensation on the refrigerator body 11 In order to prevent this, it is arranged in the heat insulating material of the refrigerator main body 11, or it is arranged in the vicinity of the cooler in order to melt and remove the frost adhering to the cooler, or the vegetable room is cooled more than necessary. In order to prevent this, it can be arranged in a heat insulating partition constituting the bottom of the vegetable compartment.

  Although one embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 10 ... Refrigerator 11 ... Refrigerator main body 12 ... Refrigeration room 24 ... Left door 26 ... Right door 30 ... Vertical partition 32 ... Front wall 33 ... Front plate 34 ... Main body 36 ... Heat conduction plate 38 ... Heat insulation member 40 ... Heater 80 ... Heat Pipe 82 ... heat absorption part 84 ... heat dissipation part

Claims (6)

  A heat insulating box having a storage chamber formed therein, a cooler for cooling the storage chamber, a heat pipe for transporting the heat of the heat absorption unit to the heat dissipation unit, and a heating source disposed in contact with the heat absorption unit A refrigerator characterized by that. A double door that is pivotally supported on both the left and right sides of the front opening of the storage chamber to close the opening, and is attached to an anti-pivot side of one of the double doors, and is opened and closed A vertical partition that closes between the double doors by turning according to the door operation;
The refrigerator according to claim 1, wherein the heat source and the heat pipe are disposed inside the vertical partition.   3. The refrigerator according to claim 2, wherein the heat dissipating part comes into contact with a back surface of a front wall of the vertical partition that faces the double door when the door is closed.   The refrigerator according to claim 2 or 3, wherein the heat radiating part is bent along a corner of the vertical partition.   The refrigerator according to any one of claims 2 to 4, wherein the heat pipe is disposed at least at a lower end of the vertical partition.   4. The refrigerator according to claim 3, wherein the heat absorbing portion is in contact with a back surface of the heating source, and a front surface of the heating source is in contact with a back surface of the front wall.

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