WO2006064899A1 - 冷蔵庫 - Google Patents
冷蔵庫 Download PDFInfo
- Publication number
- WO2006064899A1 WO2006064899A1 PCT/JP2005/023110 JP2005023110W WO2006064899A1 WO 2006064899 A1 WO2006064899 A1 WO 2006064899A1 JP 2005023110 W JP2005023110 W JP 2005023110W WO 2006064899 A1 WO2006064899 A1 WO 2006064899A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compressor
- box body
- refrigerator
- door
- revolving door
- Prior art date
Links
- 238000003860 storage Methods 0.000 claims abstract description 91
- 230000006835 compression Effects 0.000 claims description 116
- 238000007906 compression Methods 0.000 claims description 116
- 230000005484 gravity Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 210000005239 tubule Anatomy 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 235000013305 food Nutrition 0.000 description 23
- 235000013311 vegetables Nutrition 0.000 description 12
- 239000006260 foam Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 230000008014 freezing Effects 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/06—Refrigerators with a vertical mullion
Definitions
- the present invention relates to a refrigerator in which a compressor is mounted in a recess in a top surface of the refrigerator.
- refrigerators have been further energy-saving from the viewpoint of protecting the global environment, and there has been a demand for further noise reduction from the viewpoint of improving usability and storage, and improving amenity.
- this type of refrigerator has a method in which a compressor or the like forming a machine room is installed on the top surface of the refrigerator body, which is not user-friendly when viewed from the user side, or on the upper rear surface of the refrigerator body. (For example, Japan, patent publication, JP-A-11-183014).
- FIG. 22 is a cross-sectional view of a conventional refrigerator
- FIG. 23 is a vertical cross-sectional view of a conventional refrigerator compressor.
- a refrigerator discharges cold air generated by a refrigeration cycle in which a compressor 50, an evaporator 28, a condenser (not shown), and an expander (not shown) are connected by piping or the like. It is used to lower the temperature inside the refrigerator and to store foods frozen and refrigerated.
- the refrigerator box body 1 is composed of a refrigerator compartment 7, a vegetable compartment 10, and a freezer compartment 11 from the top.
- the refrigerating chamber 7 has a rotary door 13 that is a rotationally movable type with one end portion rotatably supported via a hinge 12 on the front surface of the box body 1.
- the vegetable compartment 10 has a drawer door 15d that is slidable forward and backward via a rail (not shown). Similar to the vegetable compartment 10, the freezer compartment 11 has a reciprocating drawer door 15c.
- a recess 20 is provided that is recessed toward the refrigerator compartment 7 across the top surface 18 and the back surface 19 of the box body 1.
- the refrigerator compartment 7 has a plurality of storage shelves 21 for storing food and the like. Several are provided. In general, it is not easy to use from the user's side.
- the back of the top storage space 22a and the second storage space 23a divided by the top shelf 22 is provided in the upper back of the box body 1. It protrudes in a convex shape by the recess 20.
- the recess 20 is provided with a compressor 50, a machine room fan 90, a condenser (not shown), a dryer (not shown), and the like.
- the compressor 50 is a container in which an electric element 58 including a stator 60 and a rotor 62 and a compression element 63 driven by the electric element 58 are accommodated in an airtight container 52 (for example, Japan, Patent (Japanese Patent Publication No. 62-44108).
- crankshaft 68 pivotally supported by the block 59 rotates with the rotation of the rotor 62, and the piston moves via the rotational force connecting means 69 of the eccentric shaft portion 67 of the crankshaft 68.
- the piston 65 sucks and compresses the refrigerant 53 by reciprocating in a bore hole 73 formed in the block 59, and is generally used in a refrigerator for home use.
- a refrigerant pipe (not shown) for conveying the compressed refrigerant 53 to the next stroke, for example, a discharge thin tube, is disposed in the compressor 50. If it frequently contacts with the components that make up 52 or the compression element 63, metal fatigue accumulates intensively at the contact area, eventually the discharge capillary tube breaks brittlely, and the compressor 50 performs a predetermined function. It can happen that it cannot be used.
- the present invention overcomes the above-mentioned conventional disadvantages, and suppresses the hook contact of the compressor due to the impact when the revolving door 13 is closed, so that the refrigerator can be made quiet and highly reliable. It is provided.
- the refrigerator according to the present invention has a box body in which a storage room having a revolving door that opens and closes on the front surface is arranged at the top. It has a recess recessed into the uppermost storage space in the storage room across the top and back of the box body.
- the sealed container has an electric element composed of a stator and a rotor and a compression element driven by the electric element.
- a compressor is installed in a recessed part.
- the compressor is placed at a place other than the projected line of the forward force of the part with the largest opening and closing radius of the revolving door.
- the refrigerator according to the present invention has a box body in which a storage room having a revolving door that opens and closes on the front surface is arranged at the top. It has a recess recessed into the uppermost storage space in the storage room across the top and back of the box body.
- An airtight container has an electric element composed of a stator and a rotor, and a compression element driven by the electric element.
- a compressor containing the compression element is installed in the recess.
- the compression element is of a reciprocating type including a compression chamber and a piston that reciprocates in the compression chamber. The compressor is arranged so that the compression chamber is located at a place other than the projection line from the front of the part with the largest opening / closing track radius of the revolving door.
- the compression chamber serving as a vibration generation source is provided. Can be released. Thereby, the impact force transmitted to the compression chamber through the refrigerator box body when the revolving door is closed can be reduced. It is possible to provide a highly reliable refrigerator that suppresses the contact between the compressors and reduces noise.
- the refrigerator according to the present invention has a box body in which a storage room provided with a revolving door that opens and closes on the front surface is arranged at the top. It has a recess recessed into the uppermost storage space in the storage room across the top and back of the box body.
- Electric motor consisting of a stator and a rotor in a sealed container And a compression element driven by the electric element.
- a compressor containing a discharge capillary that elastically connects the compression element and the high-pressure pipe provided in the hermetic container through the connection portion is installed in the recess.
- the end of the compression element on the side opposite to the side where the discharge capillary is located with respect to the central axis in the left-right direction of the compressor is not on the projection line from the front of the portion with the largest opening / closing radius of the revolving door
- the compressor is placed so that it is located at the location.
- the revolving door provided in the uppermost storage chamber of the box body is formed of:! Revolving doors over the entire width of the box body in the left-right direction. It opens and closes with the left or right end of the box body as a fulcrum. If the compressor is placed in the recess so that there is a space space on the left and right, and the left and right space spaces are the anti-fulcrum side space and the fulcrum side space, the distance in the width direction of the anti-fulcrum side space is the fulcrum side It is larger than the distance in the width direction of the space.
- the revolving door provided in the uppermost storage chamber of the box body is formed of:! It opens and closes with the left or right end of the box body as a fulcrum, and the compressor is placed on the fulcrum side of the full width 1Z 2 in the left-right direction of the box body.
- the revolving door provided in the uppermost storage chamber of the box body is formed of:! Also, it opens and closes with the left or right end of the box body as a fulcrum.
- the compression element is a reciprocating type equipped with a compression chamber and a piston that reciprocates in the compression chamber. The compressor is placed so that the compression chamber is located on the fulcrum side of 1/2 the full width in the left-right direction of the box body.
- the revolving door provided in the uppermost storage chamber of the box body is formed by a single revolving door over the entire width of the box body in the left-right direction.
- the revolving door opens and closes with the left or right end of the box body as a fulcrum.
- the compressor includes a discharge thin tube that elastically connects the compression element and the high-pressure pipe provided in the hermetic container through a connection portion. Furthermore, the compressor is installed in the recess.
- the rotary door has a long dimension in the width direction and has a large distance from the fulcrum to the end on the side opposite to the fulcrum, it has the largest dividing line in the angular momentum.
- the refrigerator according to the present invention has a storage room with a revolving door that opens and closes on the front surface.
- a compressor in which an electric element composed of a stator and a rotor and a compression element driven by the electric element is housed in a sealed container is installed in the recess.
- the revolving door is divided so that the force is opened with the left and right sides as fulcrums, and the compressor is arranged avoiding the projection line from the front of the dividing line that divides the revolving door left and right.
- the opening / closing locus radius of the rotary door is reduced to reduce the angular momentum of the rotary door as a whole.
- the compressor is moved away from the projected line of the front force of the largest dividing line in the angular momentum of the revolving door, and the impact force transmitted to the compressor through the refrigerator box body when the revolving door is closed is reduced. It is possible to provide a highly reliable refrigerator that suppresses compressor hitting and can reduce noise.
- the refrigerator according to the present invention has a box body in which a storage room having a revolving door that opens and closes on the front surface is arranged at the top. It has a recess recessed into the uppermost storage space in the storage room across the top and back of the box body.
- the compression element is of a reciprocating type including a compression chamber and a piston that reciprocates within the compression chamber.
- the revolving door is divided from the middle so that the left and right sides are opened as fulcrums, and the compression chamber is arranged avoiding the projection line from the front of the dividing line that divides the revolving door into left and right.
- the opening / closing locus radius of the revolving door is reduced to reduce the angular momentum of the revolving door as a whole.
- the compression chamber which is the source of vibration, is separated and the impact force transmitted to the compressor through the refrigerator box body when the revolving door is closed is reduced. Suppressing the compressor's hook contact, reducing noise and providing a highly reliable refrigerator.
- the refrigerator according to the present invention has a box body in which a storage room having a revolving door that opens and closes on the front surface is arranged at the top. It has a recess recessed into the uppermost storage space in the storage room across the top and back of the box body.
- the sealed container has an electric element composed of a stator and a rotor, and a compression element driven by the electric element. It has a discharge capillary that elastically connects the compression element and the high-pressure pipe provided in the hermetic container via a connecting portion. Further, A compressor containing the discharge capillary is installed in the recess. Divide the revolving door so that it opens from the middle with the left and right sides as fulcrums.
- the opening / closing locus radius of the revolving door is reduced to reduce the angular momentum of the revolving door as a whole.
- the angular momentum of the revolving door from the projection line from the front of the largest dividing line At least the connecting part between the mechanical part consisting of the compression element and electric element in the compressor and the sealed container
- the refrigerator according to the present invention has a box body in which a storage room having a revolving door that opens and closes on the front surface is arranged at the top. It has a recess recessed into the uppermost storage space in the storage room across the top and back of the box body.
- An airtight container has an electric element composed of a stator and a rotor, and a compression element driven by the electric element. A compressor containing the compression element is installed in the recess.
- the rotary door is divided so as to open from the middle with the left and right sides as fulcrums, and the compressor is arranged in the projection plane from the front of either of the left and right rotary doors.
- the compressor is moved away from the outer frame line of the projection surface of the revolving door that is affected by the impact force that is propagated by the collision of the revolving door and the box body, and is transmitted to the compressor through the refrigerator box body when the revolving door is closed.
- Reduce impact force As a result, it is possible to provide a highly reliable refrigerator that suppresses the hook contact of the compressor and can reduce noise.
- the refrigerator according to the present invention further divides the rotary door on the side where the compressor is arranged into upper and lower parts. At the same time, a compressor is placed in the projection plane from the front of the revolving door divided into upper and lower parts.
- the refrigerator according to the present invention is one in which a drawer chamber is arranged at the lower part of the uppermost storage chamber.
- the compressor is separated from the drawing chamber force so that the impact force caused by the collision between the drawer door and the box body when the drawer chamber is pushed in is not easily transmitted to the compressor.
- the contact of the compressor with the hook noise reduction can be achieved and a highly reliable refrigerator can be provided.
- the compression element is of a reciprocating type including a compression chamber and a piston that reciprocates within the compression chamber.
- the compressor is mounted so that the reciprocating direction of the piston is positioned in a direction other than the collision direction that collides with the box body when the revolving door closes.
- the compression element is of a reciprocating type including a compression chamber and a piston that reciprocates within the compression chamber.
- the compressor is mounted so that the reciprocating direction of the piston is positioned in a direction that is substantially perpendicular to the collision direction that collides with the box body when the revolving door is closed.
- the refrigerator according to the present invention includes a discharge thin tube that elastically connects the compression element and the high-pressure pipe of the hermetic container.
- the discharge thin tube has a portion formed in a direction substantially parallel to a collision direction that collides with the box body when the door is closed. [0049] Accordingly, there is a portion where rigidity is increased by being substantially parallel to the direction in which the impact force is transmitted when the rotary door is closed to the discharge thin tube. By suppressing the swinging of the mechanical part when an impact is effectively applied by the discharge thin tube, it is possible to reduce noise and provide a highly reliable refrigerator.
- the mechanical part including the electric element and the compression element of the compressor is elastically supported in the hermetic container via the support part.
- the compressor is elastically installed in the recess through a plurality of legs fixed to the lower part of the sealed container.
- the pitch between the legs that are adjacent to each other in a direction substantially parallel to the collision direction that collides with the box body is approximately the same as the collision direction that collides with the box body when the revolving door of the support section is closed. It is formed longer than the pitch between the support portions adjacent to each other in the parallel direction.
- the amplitude of vibration received from the outside in a direction substantially parallel to the collision direction that collides with the box body is larger than the leg of the sealed container.
- the support is smaller.
- the mechanical portion including the electric element and the compression element of the compressor is elastically supported in the hermetic container via the support portion.
- the compressor is elastically installed in the recess through elastic members provided on a plurality of legs fixed to the lower part of the sealed container. The distance between the center of gravity of the compressor in the vertical direction and the contact surface between the legs of the compressor and the elastic member is made shorter than the distance between the center of gravity of the compressor in the vertical direction and the bottom surface of the sealed container.
- the amplitude of vibration when an external force is applied to the compressor is such that the entire compressor vibrates around the center of gravity where the vicinity of the center of gravity is the smallest and the vibration increases as the distance from the center of gravity increases.
- the mechanical part including the electric element and the compression element of the compressor is elastically supported in the hermetic container via the support part.
- the compressor is elastically installed in the recess through elastic members provided on a plurality of legs fixed to the lower part of the hermetic container. The contact surface between the leg of the compressor and the elastic member is located above the lower end surface of the sealed container.
- the amplitude of vibration when an external force is applied to the compressor is the smallest around the center of gravity, and the entire compressor vibrates around the center of gravity where the vibration increases as the distance from the center of gravity increases.
- the overall vibration of the compressor can be reduced. Can do.
- vibration transmission to the refrigerator can be reduced, and a high-quality refrigerator free from unpleasant vibration and noise caused by vibration can be provided.
- the refrigerator according to the present invention has a box body in which a storage room having a revolving door that opens and closes on the front surface is arranged at the top. And a deceleration function unit that decelerates the closing speed of the door when the door is closed.
- FIG. 1 is a cross-sectional view of a configuration of a refrigerator according to a first embodiment of the present invention.
- FIG. 2 is a front view of the refrigerator according to the embodiment.
- Fig. 3 is a schematic cross-sectional view of the opening / closing locus of the revolving door as seen from the top of the refrigerator that works well in the embodiment.
- Fig. 4 is a longitudinal sectional view of the compressor as seen from the back of the refrigerator, which is useful for the embodiment.
- FIG. 5 is a vertical cross-sectional view of the compressor as seen from the back of the refrigerator, which is useful for the embodiment.
- FIG. 6 is a diagram for explaining the behavior of the compressor when the revolving door which is powerful in the embodiment is closed.
- FIG. 7 is a structural cross-sectional view of the refrigerator according to the second embodiment of the present invention.
- FIG. 8 is a front view of the refrigerator according to the embodiment.
- FIG. 9 is a schematic cross-sectional view of the opening / closing locus of the revolving door when the upward force is applied to the refrigerator that works well in the embodiment.
- FIG. 10 shows the opening / closing locus of the revolving door as seen from the side of the refrigerator according to the embodiment.
- FIG. 10 shows the opening / closing locus of the revolving door as seen from the side of the refrigerator according to the embodiment.
- FIG. 11 is a structural cross-sectional view of the refrigerator according to the third embodiment of the present invention.
- FIG. 12 is a front view of a refrigerator that works well in the embodiment.
- FIG. 13 is a schematic cross-sectional view of the opening / closing locus of the revolving door as seen from above the refrigerator according to the embodiment.
- FIG. 14 is a schematic cross-sectional view of the opening / closing locus of the revolving door as seen from the side of the refrigerator according to the embodiment.
- FIG. 15 is a longitudinal sectional view of the refrigerator according to the fourth embodiment of the present invention.
- FIG. 16 is a cross-sectional plan view when the refrigerator compartment door of the refrigerator that is helpful for the embodiment is closed.
- FIG. 17 is a cross-sectional plan view when the refrigerator compartment door of the refrigerator that works in the same embodiment is closed.
- FIG. 18 is a plan cross-sectional view of the main part of the refrigerator according to the fifth embodiment of the present invention. 19] FIG. 19 is a longitudinal sectional view of a compressor mounted on a refrigerator that is powerful in the embodiment.
- FIG. 20 is a front view of the refrigerator according to the sixth embodiment of the present invention.
- FIG. 21 is a sectional side view of an essential part of the refrigerator in the same embodiment.
- FIG. 22 is a structural sectional view of a conventional refrigerator.
- Fig. 23 is a longitudinal sectional view of a conventional refrigerator compressor.
- FIG. 1 is a cross-sectional view of the configuration of the refrigerator according to the first embodiment of the present invention
- FIG. 2 is a front view of the refrigerator according to the first embodiment
- FIG. 3 is a rotating door as viewed from above the refrigerator that works on the same embodiment
- Fig. 4 is a schematic cross-sectional view of the opening and closing locus of the compressor
- Fig. 4 is a vertical cross-sectional view of the compressor according to the embodiment
- Fig. 5 is a plane of the compressor as viewed from the top of the refrigerator that works on the embodiment.
- FIG. 6 is a cross-sectional view and FIG. 6 is a view for explaining the behavior of the compressor when the revolving door that works in the same embodiment is closed.
- the refrigerator includes a compressor 150, a discharge pipe 140 connected to the compressor 150, a condenser (not shown), a capillary 142 as a decompressor, and moisture removal.
- the box body 101 incorporates a refrigeration cycle (not shown), an evaporator 128 having an internal fan 191 disposed nearby, and a suction pipe 1 41 connected in a ring shape. .
- the cold air generated by this refrigeration cycle is discharged, the temperature in the storage 106 is lowered, and food and the like are stored frozen and refrigerated.
- the box body 101 is a heat insulator that foams and fills a space composed of an inner box 102 obtained by vacuum-forming a resin body such as ABS and an outer box 103 using a magnetic material having a metallic material such as a pre-coated steel plate. It has a heat insulating wall made by injecting 104.
- a heat insulator 104 for example, hard urethane foam, phenol foam, styrene foam, or the like is used.
- a mouth-opening carbon-based cyclopentane is used as the foam material, it is even better from the viewpoint of preventing global warming.
- the box body 101 is divided into a plurality of heat-insulating sections.
- a door 105 is provided.
- the heat-insulated storage room 106 is a refrigerating room 107, a switching room 109a and an ice making room 109b, a vegetable room 110, and a freezing room 111 that are arranged side by side.
- the refrigerating chamber 107 is divided into a dividing line 130 from the middle of the front surface, and a revolving door 113a having both ends supported rotatably via hinges 112 with both left and right sides serving as fulcrums. Two 1 13b are provided. When viewed from the front, the ratio of the width of the left rotating door 113a to the width of the right rotating door 113b is about 4: 6.
- Each of the revolving doors 113a and 113b is provided with a plurality of door pockets 114 as spaces for storing food and the like.
- the switching room 109a, the ice making room 109b, the vegetable room 110, and the freezing room 111 are all drawer rooms 108. These are provided with drawer doors 115a, 115b, 115c and 115d, which are reciprocating, which can slide forward and backward via rails (not shown).
- the gasket 116 is formed by extruding a soft vinyl chloride resin body having features such as durability, flexibility and economy and having excellent processability.
- the gasket 116 includes a permanent magnet and air pockets divided into a large number of partitions.
- the seal surface 117 on the side of the box body 101 to which the gasket 116 is in close contact is used as one end surface of the outer box 103 to be a magnetic body.
- a recess 120 is provided that is recessed toward the refrigerator compartment 107 over the top surface 118 and the back surface 119 of the box body 101.
- the refrigerator compartment 107 is provided with a plurality of storage shelves 121 for storing food and the like.
- the recess 120 is provided on the side of the uppermost storage space 122a partitioned by the uppermost shelf 122 and the inner box 102 in the refrigerator compartment 107 and by the second shelf storage space 123a partitioned by the second shelf 123 and the uppermost shelf 122. I am on a business trip convex to the side. More preferably, the indoor-side bottom wall surface 125 of the convex portion 124 and the shelf bottom portion 122b of the uppermost shelf 122 are substantially the same horizontal plane.
- the recess 120 is provided with a top cover 126 fixed with screws or the like.
- Recess 120 The compressor 150, the machine room fan 190, a condenser (not shown), a dryer (not shown), a discharge pipe 140, a part of the suction pipe 141, and the like are accommodated.
- the compressor 150 avoids the projection line 131 (see Fig. 3) from the front of the dividing line 130 (see Fig. 2 and Fig. 3) that divides the rotary doors 113a and 113b into the left and right sides.
- the upper portion of the top cover 126 is substantially flush with the top surface 118, and the top 151 of the compressor 150 is at a position lower than the top surface 118.
- the density of the pipes is reduced so that the pipe connection part can be seen from the rear.
- the discharge pipe 140 and the suction pipe 141 are respectively distributed to the left and right to the discharge tube 140a and the suction tube 141a formed on the side of the compressor 150 on the near side as viewed from the back of the refrigerator 11 9. Is done.
- a mortar-shaped lower container 172 and a reverse mortar-shaped upper container 173 are formed by deep drawing a rolled steel plate with a thickness of 2 to 4 mm, and the engagement portion is welded all around to form a sealed container 152. Is done. Inside the sealed container 152, isobutane (R600a) is filled as the refrigerant 153, and mineral oil is stored as the oil 154.
- a mechanical unit 174 including an electric element 158 and a compression element 163 is disposed. The mechanical part 174 is elastically supported via a spring 170 between a support part 160 a fixed to the bottom of the sealed container 152 and a support part 160 b fixed to the lower end of the electric element 158.
- the electric element 158 includes a stator 160 fixed below the block 159 and connected to an inverter drive circuit (not shown), and a rotor 162 containing a permanent magnet and fixed below the main shaft portion 161. An electric motor for driving the inverter is formed.
- the inverter drive circuit drives at multiple operating frequencies including operating frequencies below the commercial power supply frequency.
- the compression element 163 is pivotally supported by a block 159 that forms a cylinder 164, a piston 165 that is reciprocally fitted in a bore hole 175 of a cylinder 164 that is a compression chamber, and a bearing 166 of the block 159.
- a crankshaft 168 composed of a main shaft portion 161 and an eccentric shaft portion 167, and a connecting rod 169 for connecting the eccentric shaft portion 167 and the piston 165 are provided.
- the rotating motion of the crankshaft 168 is converted into the reciprocating motion of the piston 165.
- the reciprocating direction of piston 165 (see arrow P in Fig. 6) is substantially parallel to front surface 143 of the refrigerator. That is, the reciprocating direction of the piston 165 is positioned in a direction substantially perpendicular to the collision direction that collides with the box body when the rotary door is closed.
- the discharge thin tube 171 is a steel tube having an inner diameter of 1.5 mm to 3. Omm. By bending the discharge thin tube 171 into an L shape or a U shape, a portion 171a extending in a substantially vertical direction with respect to the front surface 143 of the refrigerator is formed. By being used frequently, the discharge capillary 171 in the substantially vertical direction is formed so as to have high rigidity.
- the discharge narrow tube 171 that elastically connects the compression element 163 and the discharge pipe 140 which is a high-pressure pipe provided in the sealed container 152, collides with the box body 101 when the rotary door 113a is closed. And a portion 171a formed in a direction substantially parallel to the direction.
- the portion 171a formed in a direction substantially parallel to the collision direction may have a curved line or a curved portion formed only by a straight line.
- the discharge thin tube 171 and the discharge tube 140a of the sealed container 152 are elastically joined at the connecting portion 181.
- a plurality of legs 155 are fixed below the sealed container 152.
- the position is fixed by loosely fitting the hole 157 of the elastic member 156 to the pin 127 fixed to the concave portion 120 of the refrigerator via the elastic member 156 engaged with each leg 155.
- the pitch Wm between the legs 155 in the parallel direction to the front surface 143 of the refrigerator is formed to be longer than the diameter Wc of the sealed container 152 in the parallel direction.
- arc 132a is the opening / closing locus of the end of the revolving door 113a opposite to the hinge 112 side
- arc 132b is the opening / closing locus of the end of the revolving door 113b opposite to the hinge 112 side.
- angular momentum As a quantity representing the momentum of the rotating body.
- Angular momentum is proportional to mass, circumferential speed, and turning radius. That is, when the revolving doors 113a and 113b are closed, the angular momentum force S applied to the revolving doors 113a and 113b becomes larger, so that the side receiving the revolving doors 113a and 113b and the revolving doors 113a and 113b, that is, the box body 101
- the impact force generated at the time of the collision of the seal surface 117 increases.
- the impact force affects the vertical direction of the front surface 143 of the refrigerator.
- the factors that affect the overall angular momentum are: the combined mass of food stored in the rotary door 113b and the door pocket 114, and the sealing surface 117.
- the circumferential speed increases as the point moves away from the hinge 112, which is the rotation fulcrum of the rotary door 113b, and the angular momentum increases. If food or the like is stored in the door pocket 114 without any bias, normally, the angular momentum is maximized at the end of the revolving door 113b opposite to the hinge 112.
- the main refrigerator capacity band is 300L or more.
- the radius of the arc 32 which is the opening / closing locus of the revolving door 13 increases, and in addition, the amount of storage in the door pocket 14 increases, so that the stored items can be adjusted.
- the total weight of the revolving door 1 3 inevitably increases, and the impact applied to the box body 1 when the revolving door 13 closes. The power is assumed to increase synergistically.
- the mechanism of the compressor per hook will be described below with reference to FIG.
- the discharge tube 140a and the suction tube 141a formed on the side surface of the sealed container 152 are welded to the discharge pipe 140 and the suction pipe 141 formed on the refrigerator side, respectively.
- the leg 155 fixed below the sealed container 152 is fixed to the installation surface 120 a of the recess 120 via a pin 127. This can be said that the sealed container 152 constituting the outer shell of the compressor 150 is in a state of being bound by the refrigerator.
- An inertial force apparently acts on the mechanical part 174 composed of 158 in the B2 direction by elastic support (see FIG. 4). Further, with the vibration of the sealed container 152, the support part 160a fixed to the bottom of the sealed container 152 is displaced in the arrow B1 direction. In addition, a force that pulls the mechanical part 174 in the direction of arrow B1 acts through the discharge thin tube 171 welded to the discharge tube 140a fixed to the sealed container 152, and the spring 170 is twisted.
- the mechanical unit 174 causes the arc-shaped arrows Cl, C2 centering on the connection portion 181 joining the discharge thin tube 171 and the discharge tube 140 a of the sealed container 152. Will swing around in the direction.
- the position of the end 150b of the compression element on the side opposite to the side where the discharge tube 171 is disposed with respect to the central axis 150a in the left-right direction of the compressor 150 is determined as the rotary door.
- the 213b is arranged so as to avoid the projection line from the front of the dividing line 130 that divides 213b into the left and right, that is, so as to start from the projection line.
- the dividing line 130 is a projection line in which the side wall of the vertical door 113b including the end of the rotary door 113b opposite to the hinge 112 is projected from the front to the rear.
- the opening / closing locus radius of the rotary door 213b is reduced to reduce the angular momentum of the rotary door 213b as a whole.
- at least the compression element 163 and the electric element are required in the compressor 150 from the projection line from the front of the largest dividing line 1 30 among the angular momentum of the rotary door 213b.
- the mechanical part composed of the element 158 and the connection part 181 between the sealed container 152 are arranged apart from each other.
- the revolving doors 113a and 113b are opened so as to open to the left and right sides at the dividing line 130 that divides the middle of the door 105 of the refrigerator compartment 107 into a ratio of 4: 6 in the first embodiment.
- the compressor 150 is arranged avoiding the projection line 131 from the front of the dividing line 130.
- the radii of the arc 132a and the arc 132b of the opening / closing locus of the rotary doors 113a and 113b become smaller than the conventional one.
- the total weight of the weight of each rotating door and the weight of food to be stored is apparently reduced.
- the overall angular momentum given to the individual revolving doors 113a and 113b is reduced, and the impact force applied to the box body 101 side of the refrigerator is effectively reduced.
- the inventors conducted a test using a refrigerator having a capacity of S400L.
- the test conditions are, for example, that the revolving door is closed with a weight of several to 10 kg in the revolving door pocket.
- the opening and closing speed of the revolving door was 6 to 12 per minute, and the number of opening and closing was tens of thousands to 200,000.
- the frequency with which the compressor 150 hits the hook is evaluated.
- the number of times per hook is reduced by about 50% compared to the refrigerator in which the compressor is installed at the position where the largest angular momentum of the rotary door 113b is given. It was confirmed.
- the ratio of the width of the left rotating door 113a to the width of the right rotating door 113b is about 4: 6.
- the arrangement of the compressor 150 avoids the projection line 131 from the front of the dividing line 130, the same effect can be obtained even if the width ratio of the left and right revolving doors is changed.
- drawer doors 115a to 115d for opening and closing the drawer chamber 108 are installed below the refrigerator compartment 107.
- the compressor 150 is installed in the recess 120 so that the reciprocating direction of the piston 165 is substantially parallel to the front surface 143 of the refrigerator.
- the compressor 150 itself becomes a vibration source during operation.
- vibrations generated from the reciprocating mechanical part 174 include forces caused by the rotational movement of the crankshaft 168 and frictional sliding during the reciprocating movement of the piston 165.
- the reciprocating movement of the piston 165 Therefore, the vibration of the compressor 150 in the direction parallel to the reciprocating motion of the piston 165 (arrow P in FIG. 6) becomes relatively high.
- the discharge thin tube 171 uses the portion 171a extending in the direction perpendicular to the front surface 143 of the refrigerator so that the rigidity in the substantially vertical direction is increased. Is formed.
- the portion 171a of the highly rigid discharge capillary 171 has a substantially parallel relationship with the direction (arrow A direction) in which the impact force is transmitted when the rotary doors 113a and 113b are closed.
- the elastic deformation in the direction is suppressed, and the swinging of the mechanical part 174 (in the directions of arrows C1 and C2) when an impact is applied is suppressed.
- the space volume for meandering the discharge thin tube 171 is small, the same effect can be obtained even if the rigidity is increased by relatively increasing the thickness of the thin tube of the portion 171a.
- One feature of the first embodiment is that, as shown in FIG. 6, legs 155a and 155b that are adjacent in a direction substantially parallel to the collision direction A that collides with the box body 101 when the rotary door 113a is closed.
- the pitch Wm force S between the two members is formed longer than the pitch Wc between the support portions 152 a and 152 b adjacent to each other in a direction substantially parallel to the collision direction A.
- the pitch Wm between the legs 155a and 155b can be widened.
- the amplitude of the vibration received from the outside in a direction substantially parallel to the collision direction A that collides with the box body 101 is larger than the legs 155a and 155b of the hermetic container.
- the holding parts 152a and 152b have a greater force M.
- FIG. 7 is a cross-sectional view of the configuration of the refrigerator according to the second embodiment of the present invention
- FIG. 8 is a front view of the refrigerator according to the same embodiment
- FIG. 9 is a rotary door as viewed from above the refrigerator that works on the same embodiment
- FIG. 10 is a schematic cross-sectional view of the opening / closing locus of the revolving door as seen from the lateral force of the refrigerator that is useful for the embodiment.
- Embodiment 2 will be described with reference to FIGS. 7, 8, 9, and 10.
- FIG. About the same structure as Embodiment 1, the same code
- the refrigerator includes a compressor 150, a discharge pipe 140 connected to the compressor 150, and a condenser (not shown).
- a refrigeration unit constituted by connecting a suction pipe 141 in a ring shape, a capillary 142 as a decompressor, a dryer (not shown) for removing water, an evaporator 128 having an internal fan 191 disposed in the vicinity thereof, and a suction pipe 141.
- the cycle is built into the box body 201. ing. The cold air generated by this refrigeration cycle is discharged, the temperature in the storage 206 is lowered, and food and the like are stored frozen and refrigerated.
- the box body 201 is provided with a heat insulating wall formed by injecting a heat insulating material 104 to be foam-filled into a space formed by the inner box 202 and the outer box 203.
- the box body 201 is divided into a plurality of heat insulating compartments, and doors 205 are provided on the front surface of the box body 201, respectively.
- the insulated storage room 206 is a refrigerated room 207 from above, a switching room 109a and an ice making room 109b provided side by side, a vegetable room 110, and a freezer room 111.
- the refrigerator compartment 207 is provided with two rotary doors 213a and 213b, which are divided from the middle of the front face and are supported rotatably at both ends via hinges 112 with the left and right sides as fulcrums. It is. When viewed from the front, the ratio of the width of the left revolving door 213a to the width of the right revolving door 213b is about 4: 6.
- Each of the revolving doors 213a and 213b is provided with a plurality of door pockets 114 as spaces for storing food and the like.
- the switching chamber 109a, the ice making chamber 109b, the vegetable chamber 110, and the freezing chamber 111 are all formed as a drawer chamber 108, and all of them are moved forward and backward via rails (not shown).
- Drawer doors 115a, 115b, 115c and 115d, which are reciprocating types capable of riding, are provided.
- a gasket 116 is attached and fixed in close contact with the sealing surface 117 of the box body 101, and the inside and outside of the refrigerator are connected. Shut off and absorb the impact when each door 205 is closed.
- a recess 220 is provided that is recessed toward the refrigerator compartment 207 across the top surface 218 and the back surface 219 of the box body 201.
- the refrigerator compartment 207 is provided with a plurality of storage shelves 221 for storing food and the like, and the recess 220 is formed on the uppermost storage space 222a side partitioned by the uppermost shelf 222 in the refrigerator compartment 207 and the inner box 202.
- the second stage shelf storage space 223a partitioned by the second stage shelf 223 and the uppermost shelf 222 is on a convex business trip.
- the recess 220 is provided with a top cover 226 fixed with a screw or the like.
- the compressor 150, the machine room fan 190, a condenser (not shown), a dryer (not shown), a discharge It contains part of piping 140 and suction piping 141.
- the compressor 150 is provided in the projection surface 233 of the front force of the rotary door 213b, and more preferably on the outer frame line 234 of the projection surface 233. It is arranged completely within the projection plane 233 so that no part is hung.
- the top of the top cover 226 is substantially flush with the top 218.
- the radius of the arcs 232a and 232b of the open / close locus of the rotary doors 213a and 213b is smaller than that of the conventional single door type. Furthermore, if the revolving doors 213a and 213b are divided into two pieces, and the items stored in the revolving doors are distributed, the total weight of the revolving doors:! Can do. Therefore, the overall angular momentum applied to the individual rotary doors 213a and 213b can be reduced, and the impact force applied to the box body 201 side of the refrigerator can be effectively reduced.
- One feature of the second embodiment is that the compressor 150 is disposed in the projection surface 233 from the front of the rotary door 213b, more specifically, avoiding the outer frame line 234 of the projection surface 233.
- the compressor 150 is disposed in the projection surface 233 from the front of the rotary door 213b, more specifically, avoiding the outer frame line 234 of the projection surface 233.
- the projection line of the projection plane 233 on the top 218 side where the impact force is expected to propagate directly The 234c force is also separated, and the impact force is difficult to be transmitted to the compressor 150.
- the test conditions are, for example, that the revolving door is opened, a weight of several to 10 kg is put in the door pocket, and then the revolving door is closed.
- the opening / closing speed of the revolving door was 6 to 12 times per minute, and the number of opening and closing was tens of thousands to 200,000 times.
- the frequency with which the compressor 150 hits the hook is evaluated. According to the test results, the frequency per hook is reduced by about 60% compared to the refrigerator in which the compressor 150 is disposed at the position where the largest angular momentum of the rotary door 213b is given. Confirm that it is correct.
- the ratio of the lateral width of the left rotating door 213a to the lateral width of the right rotating door 213b is about 4: 6. If the compressor 150 is disposed within the projection surface 233 of the revolving door 113b, the same effect can be obtained even if the width ratio of the left and right revolving doors is changed. [0124] (Embodiment 3)
- FIG. 11 is a cross-sectional view of the configuration of the refrigerator according to the third embodiment of the present invention
- FIG. 12 is a front view of the refrigerator according to the same embodiment
- FIG. 13 is a rotation of the refrigerator according to the embodiment as viewed from above.
- FIG. 14 is a schematic cross-sectional view of the opening / closing locus of the revolving door as seen from the lateral direction of the refrigerator that is useful for the embodiment.
- Embodiment 3 will be described with reference to FIG. 11, FIG. 12, FIG. 13, and FIG.
- the refrigerator includes a compressor 150, a discharge pipe 140 connected to the compressor 150, a condenser (not shown), and a capillary 142 as a decompressor.
- the box body 301 has a built-in refrigeration cycle in which a dryer (not shown) for removing water, an evaporator 128 having an internal fan 191 disposed nearby, and an intake pipe 141 are connected in an annular shape. ing. The cool air generated by this refrigeration cycle is discharged, the temperature in the storage 306 is lowered, and food and the like are stored frozen and refrigerated.
- the box body 301 includes a heat insulating wall formed by injecting a heat insulating material 104 to be foam-filled into a space formed by the inner box 302 and the outer box 303.
- the box body 301 is divided into a plurality of heat-insulating sections, and doors 305 are provided on the front surface of the box body 301, respectively.
- the insulated storage room 306 is a refrigerating room 307 from above, a switching room 109a and an ice making room 109b, a vegetable room 110, and a freezing room 11 1 arranged side by side.
- the refrigerating room 307 is divided from the middle of the front, and the right door 305 is divided into upper and lower parts when viewed from the front of the refrigerator, and both ends can be rotated through hinges 112 so that both left and right sides can be opened as fulcrums.
- Three rotary doors 313a, 313b, and 313c supported by the door are provided.
- the ratio of the width of the left rotating door 313a to the width of the right rotating door 313b is about 4: 6, and the height of the upper right rotating door 313b and the height of the lower right rotating door 313c The ratio is about 1: 2.
- the rotary doors 313a, 313b, and 313c are provided with a plurality of door pockets 114 as spaces for storing food and the like.
- the switching chamber 109a, the ice making chamber 109b, the vegetable chamber 110, and the freezing chamber 111 are all formed as a drawer chamber 108, and all of them are forward and backward via rails (not shown).
- Sliding reciprocating drawer doors 115a, 115b, 115c, 115d are provided [0130]
- the gasket 116 is attached and fixed in close contact with the sealing surface 117 of the box body 101, and the inside of the refrigerator The outside is shut off and the impact when each door 205 is closed is absorbed.
- a recess 320 is provided that is recessed toward the refrigerator compartment 307 across the top surface 318 and the back surface 319 of the box body 301.
- the refrigerator compartment 307 is provided with a plurality of storage shelves 321 for storing food and the like.
- the recess 320 is the uppermost storage space 322a divided by the uppermost shelf 322 and the inner box 302 in the refrigerator compartment 307 and the second upper shelf storage space 323a divided by the second shelf 323 and the uppermost shelf 322. I am on a business trip in a convex shape.
- the concave portion 320 is provided with a top cover 326 fixed with screws or the like, and includes a compressor 150, a machine room fan 190, a condenser (not shown), a dryer (not shown), a discharge It contains part of piping 140 and suction piping 141.
- the compressor 150 is completely within the projection surface 333 of the front force of the rotary door 313b, more specifically, so that a part of the compressor 150 is not hung on the outer frame line 334 of the projection surface 333. Placed inside.
- the top of the top cover 326 is substantially flush with the top 318, and the top 151 of the compressor 150 is located lower than the top 318.
- the radius of arc 332a, the radius of arc 332b, and the radius of arc 332c of the open / close locus of revolving doors 313a, 313b, and 313c are smaller than those of the conventional single door type.
- the right door 305 as viewed from the front is divided into upper and lower parts, and the number of revolving doors is set to 3 to distribute the items stored in the revolving doors.
- the total weight of the revolving door combined with the weight of food stored in the weight per piece is apparently lighter. Therefore, the overall angular momentum given to the individual rotary doors 313a, 313b, 313c can be reduced, and the impact force applied to the box body 301 side of the refrigerator can be effectively reduced.
- One feature of the third embodiment is that the compressor 150 is disposed in the projection surface 333 from the front of the rotary door 313b, more specifically, avoiding the outer frame line 334 of the projection surface 333. It is. Projection line 3 of projection surface 333 to which the largest angular momentum is given among the angular momentum of the rotating door 313b 3 In addition to the projection line 3 34a, the top surface 318 side projection surface 333 projection line on which the impact force is expected to propagate directly It is separated from 334c, and the impact force is not easily transmitted to the compressor 150. [0135] The inventors conducted a test using a refrigerator having a capacity of S400L.
- the test conditions are, for example, that the revolving door is opened, a weight of several to 10 kg is put in the door pocket, and then the revolving door is closed.
- the opening / closing speed of the revolving door was 6 to 12 times per minute, and the number of opening and closing was tens of thousands to 200,000 times.
- the frequency per hook decreased by about 70% compared to the refrigerator with the compressor 150 installed at the position where the largest angular momentum of the rotary door 313b is given. Make sure you do it.
- compressor 150 is arranged within projection surface 333 of revolving door 313b of the refrigerator, the same effect can be obtained by changing the ratio of the height and width of the door.
- FIG. 15 is a longitudinal sectional view of the refrigerator according to the fourth embodiment of the present invention
- FIG. 16 is a plan sectional view when the refrigerator compartment door of the refrigerator according to the same embodiment is closed
- FIG. It is a plane sectional view at the time of the refrigerator compartment door of a refrigerator closing.
- a heat insulating box body 421 which is a box body of the refrigerator 420 is obtained by filling a foam heat insulating material 424 between an inner box 422 and an outer box 423.
- the heat insulating box 421 has a front opening 421a, and the partition walls 425, 426, and 427 form a refrigerator room 428, a switching room 429, a vegetable room 430, and a freezer room 431 as storage rooms from above.
- a compressor 450 is disposed at the rear of the top surface of the box body 421.
- each storage room closes the front opening 421a when closed, and the refrigerator compartment door 432, the switching room door 433, the vegetable room door 434, the freezing room door 433, which are connected to the heat insulation box 421, which is the box body, Room door 435 is provided.
- the refrigerating room door 432 is a revolving door pivotally supported by the heat insulating box 421, and is rotatably connected to the heat insulating box 421 by an upper hinge 436 and a lower hinge 437 fixed to the cutting wall 425. It has been.
- the switching room door 433, the vegetable room door 434, and the freezer room door 435 are connected to the heat insulating box 421 so that they can be opened and closed in the front and rear directions by rail members 421b fixed to both sides of the heat insulating box 421 in each storage room.
- the lower hinge 437 at the bottom of the refrigerator compartment door 432 is provided with a self-closing function portion 437a and a deceleration function portion 437b.
- the first position A where the deceleration function of the refrigerator compartment door 432 starts operating is the opening 421a on the front side of the heat insulating box 421 when the refrigerator compartment door 432 is closed, and the side opposite to the rotation axis of the refrigerator compartment door 432. There is a space of about 100mm to 150mm between the bank part 432d.
- the second position B where the deceleration function of the refrigerator compartment door 432 is released is the opposite of the front opening 421a of the heat insulating box 421 and the rotation axis of the refrigerator compartment door 432 when the refrigerator compartment door 43 2 is closed. It is set to have a space of about lmm to 5mm between the side bank part 432d.
- the refrigerator compartment door 432 is fully opened and manually closed, and the refrigerator compartment door 432 is about 150 mm between the front opening 421a and the bank portion 432d on the opposite side of the rotational axis of the refrigerator compartment door 432.
- the refrigerator compartment door 432 starts to self-close when it reaches a position having a space of 250 mm. Further, the refrigerator compartment door 432 reaches the first position A having a space of about 100 mm to 150 mm between the front opening 421a and the bank portion 432d opposite to the rotation axis of the refrigerator compartment door 432 by closing the door. Thereafter, when the deceleration function unit 437b is activated, the closing speed of the refrigerator compartment door 432 starts to decrease.
- the closing speed of the refrigerator compartment door 432 gradually decreases.
- the second position B which has a space of about lmm to 5mm between the front opening 421a and the bank 432d on the opposite side of the rotating shaft of the refrigerator compartment door 432, the refrigerator compartment door 432 is reliably released from the deceleration function. Close the door.
- the first position where the deceleration function of the refrigerator compartment door 432 starts to operate is the front opening 421a of the heat insulating box 421 when the refrigerator compartment door 432 is closed and the opposite side of the rotation axis of the refrigerator compartment door 432.
- a space of about 100 mm to 150 mm is provided between the bank 432d.
- the user's fingers and arms may be caught in the space between the front opening 421a of the heat insulation box 421 and the bank 432d opposite to the rotation axis of the refrigerator compartment door 432.
- a space of about 100 mm to 150 mm was adopted.
- the refrigerator compartment door 432 is provided with the bank portion 432d.
- the space between the surface of the refrigerator compartment door 432 on the heat insulating box 421 side and the front opening 421a may be set to each predetermined value range.
- the surface of the shelf 443 on the side of the heat insulating box 421 is set to be substantially flush with the tip of the bank portion 432d. Insulation box body of shelf 443 When the surface on the 421 side protrudes from the tip of the bank 432d to the insulation box body 421 side, the cold room door 432d tip opposite to the rotation axis of the 432 and the insulation box body of the shelf 443 Of the surfaces on the 421 side, the space with the smaller distance to the front opening 421a may be set to each predetermined value range.
- the refrigerator compartment door 432 on the side in the open state is the bank portion on the opposite side of the rotating shaft 432d and the tip of the shelf 443 and the heat insulation of the shelf 443
- the space in which the distance between the heat insulation box 421 of the refrigerator compartment door 432 on the side in the closed position and the outer surface on the opposite side of the surface on the side of the box 421 may be set to each predetermined value range.
- the refrigerator 420 has a speed reducing function that operates on the refrigerator compartment door 432. As a result, the impact force transmitted to the compressor 450 through the heat insulating box 421 when the refrigerator compartment door 420 is closed is reduced, thereby suppressing the hook contact of the compressor 450. In addition, noise reduction can be achieved and a highly reliable refrigerator can be provided.
- FIG. 18 is a plan cross-sectional view of the main part of the refrigerator according to the fifth embodiment of the present invention
- FIG. 19 is a vertical cross-sectional view of a compressor mounted on the refrigerator which is the same as the embodiment.
- the refrigerator includes a machine room 510 provided at the rear of the top surface of the box body 501, a compressor 550 and a machine room fan 520 provided in the machine room 510.
- the refrigerating machine includes a high-pressure pipe 540 connected to the compressor 550, a compressor 550, a condenser (not shown), a decompressor (not shown), and an evaporator (not shown) in this order.
- the cycle is equipped with a box body 501.
- the uppermost storage chamber 507 is provided with a revolving door 513 so as to be rotatable via a hinge portion 512.
- the revolving door 513 is formed of a single revolving door 513 over almost the entire width of the box body 501 in the left-right direction.
- the revolving door 513 opens and closes with the hinge portion 512 as a fulcrum, and the locus 532b of the end portion 513a opposite to the side where the hinge portion 512 is provided has the largest opening and closing radius of the revolving door 513. .
- the compressor 550 is provided closer to the hinge portion 512 than the portion H corresponding to 1/2 of the full width G in the left-right direction of the box body 501.
- the compressor 550 is a reciprocating compressor in which a piston (not shown) reciprocates in the compression chamber 552 and the compression chamber 552 inside the hermetic container 551 to compress refrigerant.
- a discharge thin tube 554 that connects a compression element 553 having a compression chamber 552 and a high-pressure pipe 540 provided in the sealed container 551 is provided.
- the high-pressure pipe 540 and the discharge thin pipe 554 are connected via a connection portion 555.
- the compressor 550 is disposed so that the compression chamber 552 is positioned on the side close to the projection line on the hinge portion 512 side of the rotary door 513.
- the end 553a of the compression element 553 located on the opposite side of the connecting portion 555 connecting the high-pressure pipe 540 and the discharge thin tube 554 with respect to the central axis I in the left-right direction of the compressor is also a revolving door.
- Compressor 550 is arranged so that it is located on the side closer to the projection line on the hinge portion 512 side of 513.
- the operation and action when the revolving door 513 is opened and closed will be described below.
- the factor that affects the overall angular momentum is that the revolving door just before the collision between the revolving door 513 and the food stored in the door pocket (not shown) and the seal surface 517.
- the circumferential speed increases as the point away from the hinge 512, which is the rotation fulcrum of the rotary door 513, and the angular momentum increases.
- the angular momentum is maximized at the extreme end of the revolving door 513 opposite to the hinge 512.
- the main capacity of the refrigerator capacity band is more than 300L.
- the radius of the arc 532b which is the opening / closing locus of the revolving door 513, increases. Due to the increase in the amount of storage in the door pocket, the total weight of the revolving door 513 including the stored items inevitably increases, and the impact force applied to the box body 501 when the revolving door 513 is closed is It is assumed that it will grow synergistically.
- the compressor 550 is provided closer to the hinge portion 512 than the portion H corresponding to 1/2 of the full width G in the left-right direction of the box body 501.
- the end of the revolving door 513 having the greatest impact force applied to the refrigerator box body 501 is the opposite end to the side where the hinge 512 is provided. Can be greatly separated from.
- the projection line from the front of the largest dividing line in the angular momentum Separate the compressor 550.
- the change in the width direction of the impact force when the revolving door 513 is closed is generally placed on the opposite side of the hinge portion 512 in the case of a single door as in the fifth embodiment. Largest due to the large turning radius at the handle end. On the contrary, the impact force as it approaches the hinge part 512 becomes smaller. In order to facilitate the loading and unloading of food, it is often designed to store heavy items such as PET bottle drinks on the handle side of the door pocket of the revolving door 513. In the distribution of impact force in actual use, the degree of decrease in impact force becomes prominent as it approaches the hinge portion 512 side.
- the distance a in the width direction of the anti-hinge side space 510a which is the left and right space where the compressor 550 is arranged
- the width direction of the hinge side space 510b When the relation between the distance b and the distance b is a> b, the central axis I of the compressor 550 (container) in the width direction corresponds to at least half the full width G of the box body 501 in the left-right direction H Rather than the hinge part 512 side.
- the impact force when the revolving door 513 is closed can be set to a level that does not substantially affect the compressor 550.
- the portion H corresponding to 1/2 of the full width G in the left-right direction of the box body 501 is defined as a boundary line, and the entire compressor 550 is brought closer to the hinge part 512 side than this boundary line.
- the impact force on the compressor can be further reduced and the influence on the compressor 550 can be avoided.
- One of the features of the fifth embodiment is that the compressor 550 is provided closer to the hinge portion 512 than the portion H corresponding to 1/2 of the full width G of the box body 501 in the left-right direction. That is. Even if the compressor 550 extends to the opposite side of the hinge portion 512 from the portion H corresponding to 1/2 of the full width G in the left-right direction of the box body 501 due to the configuration inside the machine room 510 of the refrigerator, The compression chamber 552 is configured so as to be provided closer to the hinge portion 512 than the portion H corresponding to half the full width G of the box body 501 in the left-right direction.
- At least the compression chamber 552, which is the source of vibration for reciprocating in the compressor 550, has the end of the rotary door 513 having the greatest impact force on the side opposite to the side where the hinge part 512 is provided.
- the impact force transmitted to the compressor 550 through the box body 501 of the refrigerator when the rotary door 513 is closed can be reduced. This makes it possible to provide a highly reliable refrigerator that can be suppressed and silenced.
- the compressor 550 may extend to the opposite side of the hinge portion 512 from the portion H corresponding to 1/2 of the full width G of the box body 501 in the left-right direction. However, the end portion 553a of the compression element 553 located on the side opposite to the connection portion 555 connecting the high-pressure pipe 540 and the discharge thin tube 554 is not provided.
- the box body 501 has a structure that is provided closer to the hinge part 512 than the part H corresponding to 1/2 of the full width G in the left-right direction.
- the connection part between the compression element 552 and the sealed container 551 55 By separating the portion that is most prone to vibrate because it is farthest from 5, it is possible to suppress the hooking of the compressor 550, reduce the noise, and provide a highly reliable refrigerator.
- the contact surface L between the leg 560 of the compressor 550 and the elastic member 561 of the fifth embodiment is located above the lower end surface 551a of the sealed container 551.
- the vertical center of gravity of the compressor 550 and the distance M between the leg 560 of the compressor 550 and the contact surface L of the elastic member 561 that elastically supports the leg 560, and the vertical center of gravity K of the compressor 550 and the sealed container It is shorter than the distance N from the lower end surface 551a of 551.
- the amplitude of vibration when an external force is applied to the compressor 550 is such that the entire compressor 550 vibrates around the center of gravity so that the vibration near the center of gravity is the smallest and increases as the distance from the center of gravity increases.
- the compressor 550 receives external force from the refrigerator side, the compressor The vibration of the entire 550 can be reduced.
- vibration transmission to the refrigerator can be reduced, and a high-quality refrigerator free from unpleasant vibrations and noise generation due to vibrations can be provided.
- FIG. 20 is a front view of the refrigerator according to the sixth embodiment of the present invention.
- FIG. 21 is a cross-sectional side view of a main part of the refrigerator that is useful for the embodiment.
- the refrigerator was connected to the machine room 610 provided at the rear of the top surface of the box body 601, the compressor 650 provided in the machine room 610, the machine room fan (not shown), and the compressor 650.
- a refrigeration cycle including a high-pressure pipe (not shown), a compressor 650, a condenser (not shown), a decompressor (not shown), and an evaporator (not shown) in this order And.
- the uppermost storage chamber 607 is divided by a dividing line 630 in the width direction of the box body 601, and a revolving door 613 that rotates via a hinge portion 612 on the right side as viewed in FIG. I have.
- a drawer type drawer door 671 is provided on the left side.
- the lower storage compartment is divided in the width direction of the box body 601 by a dividing line 630, a drawer-type door 622 is provided at the bottom right side, and a drawer-type door 621 is provided at the top. It has a drawer type door 623 on the left side.
- the ratio of the width 671W of the left drawer door 671 to the width 613W of the right revolving door 613, 671W: 613W is approximately 3: 7.
- the revolving door 613 is provided with a plurality of door pockets 614 as spaces for storing food and the like.
- the shape of the drawer door 671 is a substantially vertically long plate. On the inner surface, a plurality of containers (not shown) for storing stored items are arranged in the vertical direction.
- the size of the door 67 1 is 900 mm high and 240 mm wide.
- a handle 676 is formed on the front surface of the drawer door 671.
- the handle 676 is formed on the adjacent revolving door 613 side.
- the compressor 650 (Fig. 21) is arranged so as to avoid the projection line from the front to the rear of the dividing line 630, which is the end of the rotary door 613 facing the hinge 612 in the left-right direction. Yes.
- the dividing line 630 is the portion with the largest opening and closing radius of the rotary door 613, and the compressor 650 is arranged avoiding the projection line from the front of the dividing line 630.
- a heat insulating wall forming the uppermost storage chamber 607 and a rotary door 613 are located on the front side of the compressor 650.
- the impact force at the time of collision with the box body 601 when the revolving door 613 is closed and the influence on the compressor 650 are as described in the first embodiment.
- the uppermost storage chamber 607 provided in the box body 601 is divided in the width direction of the box body 601 and divided by the dividing line 630.
- a revolving door 613 that rotates via a hinge 612 and a drawer type drawer door 671 are provided, and two doors are provided in the uppermost storage chamber 607.
- the compressor 650 is arranged avoiding the projection line from the front of the dividing line 630.
- the opening / closing locus of the revolving door 613 is smaller than that of a single door in the width direction. Distributing the items stored in the revolving door 613 with two doors makes it possible to make the total weight of the revolving door :! .
- the overall angular momentum applied to the revolving door 613 is reduced, and the impact force applied to the refrigerator box body 601 side is effectively reduced.
- a heat insulating wall and a revolving door 613 are arranged on the front side of the compressor 650. This prevents the noise from the compressor 650 from being transmitted to the front side. That is, even when a hook hit occurs in the compressor 650, if the hook hit sound is transmitted to the front side of the refrigerator, it is possible to reduce the malfunction.
- the compressor 650 is arranged so as to avoid the projection line of the dividing line 630 that is the end portion on the side facing the hinge portion 612 in the left-right direction of the rotary door 613.
- the compressor 650 is arranged avoiding the projection line of the dividing line 630 that is the end portion on the side facing the hinge portion 612 in the left-right direction of the rotary door 613.
- a part of the compressor 650 may be placed on the projection line of the dividing line 630.
- the compression chamber serving as a vibration generation source can be separated. For this reason, the revolving door Reduces the impact force transmitted to the compression chamber through the refrigerator box body 601 when the 613 is closed, suppresses the hook contact of the compressor 615, reduces noise, and provides a highly reliable refrigerator. .
- the sixth embodiment basically employs substantially the same configuration as that of the first embodiment. That is, the discharge tubule is arranged on the right side or the left side of the compressor 650 or the compression element provided in the compressor 650 or the central axis of the compressor 650 in the left-right direction. With the central axis as a boundary, the end of the compression element was arranged on the opposite side to the position where the discharge thin tube was arranged so as not to be on the projection line from the front to the rear of the dividing line 630. In the left-right direction of the revolving door 613, the hinge portion 612 is disposed at a position farthest away from the 630 force of the harm IJ line.
- a more desirable configuration is to provide these in the outer frame line 613a of the door that collides with the refrigerator body when the revolving door 613 is closed in the uppermost storage room.
- the heat insulating wall 607a that forms the uppermost storage chamber 607 and the rotary door 613 are located on the front side of the compressor 650. Even if it exists, it is possible to reduce the noise permeating to the front side of the refrigerator and to reduce the noise caused by the hook.
- the refrigerator according to the present invention can achieve low noise and high reliability, it can be applied to a refrigerator-freezer for home use or business use, and thus has high industrial applicability.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Compressor (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2004363885 | 2004-12-16 | ||
JP2004-363885 | 2004-12-16 | ||
JP2005351702A JP4687429B2 (ja) | 2004-12-16 | 2005-12-06 | 冷蔵庫 |
JP2005-351702 | 2005-12-06 |
Publications (1)
Publication Number | Publication Date |
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WO2006064899A1 true WO2006064899A1 (ja) | 2006-06-22 |
Family
ID=36587947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/023110 WO2006064899A1 (ja) | 2004-12-16 | 2005-12-16 | 冷蔵庫 |
Country Status (3)
Country | Link |
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JP (1) | JP4687429B2 (ja) |
TW (1) | TW200630576A (ja) |
WO (1) | WO2006064899A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017161124A (ja) * | 2016-03-08 | 2017-09-14 | 日立アプライアンス株式会社 | 冷蔵庫 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008070022A (ja) * | 2006-09-13 | 2008-03-27 | Matsushita Electric Ind Co Ltd | 冷蔵庫 |
JP6114916B2 (ja) * | 2013-03-29 | 2017-04-19 | パナソニックIpマネジメント株式会社 | 冷蔵庫 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03134472A (ja) * | 1989-10-18 | 1991-06-07 | Matsushita Refrig Co Ltd | 冷蔵庫 |
JPH04244579A (ja) * | 1991-01-29 | 1992-09-01 | Matsushita Refrig Co Ltd | 観音開き式扉装置 |
JPH05133337A (ja) * | 1991-11-07 | 1993-05-28 | Matsushita Refrig Co Ltd | 往復型圧縮機 |
JPH062661A (ja) * | 1992-06-16 | 1994-01-11 | Matsushita Refrig Co Ltd | 密閉型圧縮機 |
JP2001099552A (ja) * | 1999-09-29 | 2001-04-13 | Sanyo Electric Co Ltd | 冷却貯蔵庫 |
JP2003028065A (ja) * | 2001-07-16 | 2003-01-29 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3872249B2 (ja) * | 2000-03-10 | 2007-01-24 | 松下冷機株式会社 | 密閉型圧縮機 |
JP2002332964A (ja) * | 2001-05-07 | 2002-11-22 | Matsushita Refrig Co Ltd | 冷媒圧縮機の始動装置および冷媒圧縮機 |
-
2005
- 2005-12-06 JP JP2005351702A patent/JP4687429B2/ja active Active
- 2005-12-15 TW TW094144503A patent/TW200630576A/zh not_active IP Right Cessation
- 2005-12-16 WO PCT/JP2005/023110 patent/WO2006064899A1/ja not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03134472A (ja) * | 1989-10-18 | 1991-06-07 | Matsushita Refrig Co Ltd | 冷蔵庫 |
JPH04244579A (ja) * | 1991-01-29 | 1992-09-01 | Matsushita Refrig Co Ltd | 観音開き式扉装置 |
JPH05133337A (ja) * | 1991-11-07 | 1993-05-28 | Matsushita Refrig Co Ltd | 往復型圧縮機 |
JPH062661A (ja) * | 1992-06-16 | 1994-01-11 | Matsushita Refrig Co Ltd | 密閉型圧縮機 |
JP2001099552A (ja) * | 1999-09-29 | 2001-04-13 | Sanyo Electric Co Ltd | 冷却貯蔵庫 |
JP2003028065A (ja) * | 2001-07-16 | 2003-01-29 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017161124A (ja) * | 2016-03-08 | 2017-09-14 | 日立アプライアンス株式会社 | 冷蔵庫 |
Also Published As
Publication number | Publication date |
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TWI343468B (ja) | 2011-06-11 |
JP4687429B2 (ja) | 2011-05-25 |
TW200630576A (en) | 2006-09-01 |
JP2006194574A (ja) | 2006-07-27 |
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