JP2019219112A - refrigerator - Google Patents

Abstract

To sufficiently cool a compressor and improve efficiency.SOLUTION: A refrigerator includes: a compressor 21 disposed in one of the right and left positions inside a machine room 18; and a fan device 23 and a condenser 22 disposed on the other of the right and left positions inside the machine room 18. A discharge side 34 of the compressor 21 is disposed on a leeward side of cooling air blown by the fan device 23, while a suction side 35 of the compressor 21 is disposed on a windward side.SELECTED DRAWING: Figure 3

Description

  Embodiments of the present invention relate to a refrigerator.

  In the machine room of the refrigerator, a compressor and a fan device are arranged, and cooling air generated by the fan device is blown to the compressor to cool the compressor. In the case of this configuration, in the refrigerator of the conventional configuration, the discharge side of the compressor is arranged on the leeward side of the cooling air, and the suction side of the compressor is arranged on the leeward side of the cooling air. The reason for this configuration is that, for manufacturing reasons, the evaporating pipe connected to the discharge side of the compressor is usually arranged on the windward side of the compressor. Was.

JP 2011-158176 A

In the machine room, the temperature on the discharge side of the compressor, that is, the portion connected to the evaporation pipe is the highest temperature, and the temperature of the main body of the compressor is the second highest temperature. For this reason, if the discharge side of the compressor is arranged on the windward side, the wind heated by the discharge side of the compressor and having a higher temperature will be blown to the main body of the compressor. There are problems such as insufficient cooling and deterioration of the compressor efficiency due to heating of the suction side of the compressor, that is, the suction pipe.
Thus, the present embodiment provides a refrigerator that can sufficiently cool the compressor and improve the efficiency.

  The refrigerator according to the present embodiment includes a compressor disposed at one of left and right positions in a machine room, and a fan device and a condenser disposed at the other left and right position in the machine room. The discharge side of the compressor is arranged on the leeward side of the cooling wind by the fan device, and the suction side of the compressor is arranged on the leeward side.

A longitudinal side view schematically showing a configuration example of a refrigerator according to the present embodiment. Rear perspective view of refrigerator Rear view of machine room Rear view of the machine room according to the second embodiment Cross sectional view of the machine room according to the third embodiment Rear view of the rear cover according to the fourth embodiment Cross-sectional view showing the installation state of the refrigerator Rear view of the rear cover according to the fifth embodiment

  Hereinafter, refrigerators according to a plurality of embodiments will be described with reference to the drawings. In each embodiment, substantially the same components are denoted by the same reference numerals, and description thereof will be omitted.

(1st Embodiment)
Hereinafter, a first embodiment will be described with reference to FIGS. 1 to 3. First, an overall configuration of a refrigerator according to the present embodiment will be briefly described with reference to FIGS. The refrigerator main body 1 includes a plurality of storage rooms, specifically, a refrigerator room 3, an upper freezer room 4, a vegetable room 5, and a lower freezer room in a vertically long rectangular box-like heat insulating box body 2 having an open front surface. A chamber 6 is provided. The portion of the heat insulating box 2 where the upper freezing compartment 4 is provided is divided into two left and right compartments, the upper freezing compartment 4 is provided on the right side, and the ice making compartment (not shown) is provided on the left side. I have. A well-known automatic ice making device is provided in the ice making room. Although not shown in detail, the heat insulating box 2 is configured by filling a heat insulating material between an outer box made of steel plate and an inner box made of plastic.

  The refrigerator compartment 3 and the upper freezer compartment 4 (and the ice making compartment) are vertically partitioned by a heat insulating partition wall 7, and the heat insulating partition wall between the upper freezing compartment 4 (and the ice making compartment) and the vegetable compartment 5 is provided. The space between the vegetable compartment 5 and the lower freezer compartment 6 is vertically partitioned by a heat insulating partition wall 9. A hinge-openable heat-insulating door 10 is provided at the front of the refrigerator compartment 3. A drawer-type heat-insulating door 11 is provided on the front surface of the upper freezer compartment 4, and a storage container 12 is connected to a rear portion of the heat-insulating door 11. A drawer-type heat-insulating door 13 to which a storage container 14 is connected is also provided on the front surface of the vegetable compartment 5. A drawer-type heat-insulating door 15 to which a storage container 16 is connected is also provided on the front surface of the freezer compartment 6.

  Although not shown in detail as a whole, the refrigerator body 1 includes a refrigerator 17 for cooling the refrigerator compartment 3 and the vegetable compartment 5 and upper and lower freezer compartments 4 and 6 (and an ice making compartment). A refrigeration cycle including two coolers, that is, a cooler for cooling a freezer and a refrigerator for cooling the refrigerator.

  On the rear side of the lower end of the refrigerator main body 1, a machine room 18 is provided which opens on the rear side of the refrigerator main body 1. As shown in FIG. 2, side plates 19 having only a steel outer box constituting the heat insulating box 2 are arranged on the left and right side walls of the machine room 18, and an opening at the rear of the machine room 18. Is closed by a back plate, for example, a back cover 20 made of an iron plate.

  As shown in FIG. 3, a compressor 21 constituting the refrigeration cycle is disposed in the machine room 18 on the left side in FIG. 3, and is disposed on the right side in FIG. A condenser 22 constituting a cycle is provided. Further, a cooling fan device 23, for example, which is a fan device for cooling them, is disposed at a substantially central portion in the machine room 18.

  The cooling fan device 23 is configured to blow the cooling air from left to right as indicated by an arrow A in FIG. In this configuration, as shown in FIGS. 2 and 3, side plates 19, 19 forming left and right side walls of the machine room 18 are provided with side plate covers 24, 24. The right side plate cover 24 in FIG. 3 is provided with a suction port 25 having a large number of ventilation holes, and the left side plate cover 24 in FIG. 3 is provided with a blowout port 26 having a large number of ventilation holes.

  As shown in FIG. 2, a suction port 27 including a large number of ventilation holes is provided on the right end side in FIG. 2 of the back cover 20, and a large number of suction holes 27 are provided on the left end side in FIG. An outlet 28 comprising a vent is provided.

  As shown in FIG. 1, a control device 29, which is composed of a microcomputer or the like and controls the whole, is provided near the lower rear portion of the refrigerator body 1. A refrigerator compartment cooler compartment 30 is provided on the back wall of the vegetable compartment 5 in the refrigerator main body 1, and the refrigerator compartment cooler compartment 30 is located at a lower portion for the refrigerator compartment use. A cooler 17 is provided, and a blower fan device 31 is provided at an upper position. In this configuration, when the blower fan device 31 is driven, the cool air generated by the refrigerator cooler 17 is supplied into the refrigerator compartment 3 through the blow-out duct 32 and then into the vegetable compartment 5. Then, it is configured to perform a circulation of returning to the inside of the refrigerator compartment 30 for the refrigerator compartment.

  Further, although not shown, a refrigerator compartment for the freezer compartment is provided on the back wall of the vegetable compartment 5 in the refrigerator main body 1 and is located on the left side of the refrigerator compartment 30 for the refrigerator compartment. In the freezer compartment cooler room, a freezer compartment cooler, a freezer fan fan device, and the like are disposed so as to circulate and supply cool air to the upper and lower freezer compartments 4 and 6 (and the ice making compartment). Is configured.

  As shown in FIG. 3, an evaporating dish 33 of defrosted water is provided in the machine room 18 below the condenser 22 and the cooling fan device 23. In the present embodiment, in the machine room 18, the discharge side 34 of the compressor 21 is arranged so as to be on the leeward side of the cooling air by the cooling fan device 23, that is, on the left side in FIG. The suction side 35 was configured to be arranged on the windward side, that is, on the right side in FIG.

  Then, the evaporating pipe 36 connected to the discharge side 34 of the compressor 21 is disposed so as to wrap around the main body of the compressor 21, and then extended so as to be accommodated in the evaporating dish 33, and then extended upward. And is connected to the condenser 22. A suction pipe 37 is connected to the suction side 35 of the compressor 21.

  In the case of this configuration, the evaporation pipe 36 connected to the discharge side 34 of the compressor 21 is configured to be arranged on the leeward side of the condenser 22 or the compressor 21. In the present embodiment, as shown in FIG. 3, the condenser 22 is configured to be arranged on the windward side of the compressor 21.

  Further, in the present embodiment, a label 38 describing the specifications of the compressor 21 is attached to a portion of the outer peripheral surface of the main body of the compressor 21 between the discharge side 34 and the suction side 35, that is, FIG. It is configured to be attached to each of two parts, a part shown and a part on the opposite side.

  In the present embodiment having such a configuration, during the operation of the refrigeration cycle, the cooling fan device 23 is driven in the machine room 18 to cool the compressor 21 and the condenser 22 and the like. Then, air is blown as shown by an arrow A in FIG. 3, and air outside the refrigerator is sucked into the machine room 18 by the suction port 25 of the right side plate cover 24 and the suction port of the rear cover 20 in FIG. Inhaled through 27. Then, after the sucked cooling air flows in the machine room 18 and contributes to the cooling of the condenser 22, the compressor 21, etc., the blow air outlet 26 of the left side plate cover 24 in FIG. It is discharged out of the refrigerator through the outlet 28.

  At this time, the discharge side 34 of the compressor 21 is arranged so as to be on the leeward side of the cooling wind by the cooling fan device 23, and the suction side 35 of the compressor 21 is arranged so as to be on the leeward side. According to this configuration, the discharge side 34 of the compressor having the highest temperature in the machine room 18, that is, the portion to which the evaporating pipe 36 is connected can be arranged in the machine room 18 on the most leeward side of the cooling air. it can. This can prevent insufficient cooling of the main body of the compressor 21 and prevent the suction side 35 of the compressor 21, that is, the suction pipe 37 from being heated, so that the efficiency of the compressor 21 is sufficiently improved. Can be. In the machine room 18, the temperature of the main body of the compressor 21 is the second highest. Further, the temperature of the condenser 22 is the third highest temperature.

  In the present embodiment, the evaporating pipe 36 connected to the discharge side 34 of the compressor 21 is arranged downstream of the condenser 22. According to this configuration, since the evaporating pipe 36 having a temperature higher than the temperature of the condenser 22 is disposed on the leeward side of the condenser 22, the evaporating pipe 36 can be sufficiently cooled.

  Further, in the present embodiment, the condenser 22 is configured to be arranged on the windward side of the compressor 21. According to this configuration, since the condenser 22 having a temperature lower than the temperature of the compressor 21 is disposed on the windward side of the compressor 21, the compressor 21 can be sufficiently cooled.

(2nd Embodiment)
FIG. 4 shows a second embodiment. The same components as those in the first embodiment are denoted by the same reference numerals. In the second embodiment, an evaporating dish 39 is disposed at the left end in FIG. 4 of the machine room 18, that is, on the left side of the discharge side 34 of the compressor 21 in FIG. In this evaporating dish 39, the evaporating pipe 40 connected to the discharge side 34 of the compressor 21 is configured to be accommodated. After that, the evaporating pipe 40 is arranged so as to go around the main body of the compressor 21. It is configured to extend upward and connect to the condenser 22. In the case of this configuration, the evaporation pipe 40 connected to the discharge side 34 of the compressor 21 is configured to be arranged on the leeward side of the compressor 21.

  The configuration of the second embodiment other than that described above is the same as the configuration of the first embodiment. Therefore, also in the second embodiment, substantially the same operation and effect as in the first embodiment can be obtained.

(Third embodiment)
FIG. 5 shows a third embodiment. The same components as those in the first embodiment are denoted by the same reference numerals. FIG. 5 is a cross-sectional view of the machine room 18. In the third embodiment, the refrigerant charging pipe 41 led out of the compressor 21 is arranged so as to extend to near the opening at the rear of the machine chamber 18. An opening at the rear of the machine room 18 is detachably closed by a back cover 20.

  The configuration of the third embodiment other than that described above is the same as the configuration of the first embodiment. Therefore, in the third embodiment, substantially the same operation and effect as those of the first embodiment can be obtained. In particular, according to the third embodiment, since the refrigerant charging pipe 41 of the compressor 21 is disposed so as to extend to near the opening of the machine room 18, the refrigerant is charged into the compressor 21 via the refrigerant charging pipe 41. Can easily be performed, and the workability can be improved.

(Fourth embodiment)
6 and 7 show a fourth embodiment. The same components as those in the first embodiment are denoted by the same reference numerals. FIG. 6 is a rear view of the rear cover 20. In the fourth embodiment, a ridge 42 is provided on the rear surface of the back cover 20 that closes the opening of the machine room 18 so as to partition the inlet 27 and the outlet 28 in, for example, the vertical direction.

  The length of the protrusion 42 is configured to be substantially the same as the length of the rear cover 20 in the vertical direction. As shown in FIG. 7, when the refrigerator main body 1 is installed so as to be close to the rear wall 43, the height dimension of the projection 42, that is, the rearward projection dimension, When the ridge 42 is brought into contact with the wall 43, the projection 42 is configured so as to have a projecting dimension such that a gap of a required size is formed between the rear surface of the refrigerator main body 1 and the wall 43. .

  The configuration of the fourth embodiment other than that described above is the same as the configuration of the first embodiment. Therefore, in the fourth embodiment, substantially the same operation and effect as those of the first embodiment can be obtained. In particular, according to the fourth embodiment, the ridge 42 is provided on the rear surface of the back cover 20 so as to partition between the inlet 27 and the outlet 28, so that the air blown out from the outlet 28 is supplied to the inlet 27. , That is, a short circuit can be reliably prevented.

(Fifth embodiment)
FIG. 8 shows a fifth embodiment. The same components as those in the fourth embodiment are denoted by the same reference numerals. In the fifth embodiment, an upper ridge 44 continuous with the upper end of the ridge 42 is provided above the suction port 27 on the rear surface of the back cover 20. The right end in FIG. 8 of the upper ridge 44 extends to the right end of the back cover 20. The left end of the upper ridge 44 in FIG. 8 is configured to be joined to the upper end of the ridge 42. The height of the upper ridge 44 is substantially the same as the height of the ridge 42.

  In addition, a lower protruding portion 45 continuous with the lower end of the protruding portion 42 is provided below the outlet 28 on the rear surface of the back cover 20. The left end in FIG. 8 of the lower ridge 45 extends to the left end of the back cover 20. The right end in FIG. 8 of the lower ridge 45 is configured to be joined to the lower end of the ridge 42. The height of the lower ridge 45 is substantially the same as the height of the ridge 42.

  The configuration of the fifth embodiment other than that described above is the same as the configuration of the fourth embodiment. Therefore, also in the fifth embodiment, substantially the same operation and effect as in the fourth embodiment can be obtained. In particular, according to the fifth embodiment, since the upper ridges 44 and the lower ridges 45 are provided in addition to the ridges 42, the short circuit can be more reliably prevented.

(Other embodiments)
The following configuration may be added to the plurality of embodiments described above.
In each of the above embodiments, the compressor 21 is disposed on the right side (that is, the left side in FIG. 3) in the machine room 18; however, the present invention is not limited to this, and the compressor 21 may be disposed on the left side (in the machine room 18). That is, it may be configured to be disposed on the right side in FIG. 3). In such a configuration, the air blowing direction of the cooling fan device 23 is reversed, the suction port and the air outlet are provided in opposite directions, and the discharge side 34 of the compressor 21 is arranged on the leeward side. Preferably, the side 35 is arranged on the windward side.

  Further, in each of the above-described embodiments, the condenser 22 is arranged at the most windward side. However, the present invention is not limited to this. The cooling fan device is arranged at the most windward side, and the condenser 22 is arranged at the central part in the machine room 18. May be arranged.

  While some embodiments of the invention have been described, these embodiments have been presented by way of example only, and are not intended to limit the scope of the inventions. These new embodiments can be implemented in other various forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and their equivalents.

  In the drawing, 1 is a refrigerator main body, 2 is an insulated box, 3 is a refrigerator room, 4 is an upper freezing room, 5 is a vegetable room, 6 is a lower freezing room, 18 is a machine room, 19 is a side plate, 20 is a back cover, 21 is a compressor, 22 is a condenser, 23 is a cooling fan device, 24 is a side plate cover, 25 is an inlet, 26 is an outlet, 27 is an inlet, 28 is an outlet, 33 is an evaporating dish, and 34 is a discharge side. , 35 is a suction side, 36 is an evaporating pipe, 37 is a suction pipe, 38 is a label, 39 is an evaporating dish, 40 is an evaporating pipe, 41 is a refrigerant sealing pipe, 42 is a ridge, 43 is a wall, and 44 is an upper projecting part. The ridge 45 is a lower ridge.

Claims (8)

A compressor including a compressor disposed at one of left and right positions in a machine room, and a fan device and a condenser disposed at the other left and right position in the machine room,
The discharge side of the compressor is arranged on the leeward side of the cooling air by the fan device,
A refrigerator configured such that the suction side of the compressor is arranged on the windward side.   The refrigerator according to claim 1, wherein an evaporating pipe connected to a discharge side of the compressor is arranged downstream of the condenser or the compressor.   The refrigerator according to claim 1, wherein the condenser is arranged on the windward side of the compressor.   The refrigerator according to any one of claims 1 to 3, wherein a portion of the suction pipe connected to the suction side of the compressor, which is provided in the machine room, is covered with a heat insulating material.   The label according to claim 1, wherein labels describing the specifications of the compressor are attached to two portions of the outer peripheral surface of the main body of the compressor, between the discharge side and the suction side. A refrigerator according to any one of the preceding claims.   The refrigerator according to any one of claims 1 to 5, wherein a refrigerant charging pipe led from the compressor is arranged to extend to a position near an opening of the machine room.   The refrigerator according to any one of claims 1 to 6, wherein a ridge is provided on a rear surface of the back plate that closes the opening of the machine room so as to partition between an inlet and an outlet. An upper ridge provided on the rear surface of the back plate above the suction port and continuous with an upper end of the ridge,
The refrigerator according to claim 7, further comprising a lower ridge provided on a rear surface of the back plate below the air outlet and connected to a lower end of the ridge.

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