JP5289232B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator provided with a mist generating device that generates mist in a vegetable compartment.

  Conventionally, a refrigeration room is provided in the upper part of the refrigeration space provided inside the heat insulation box, a vegetable room for storing vegetables and fruits is provided in the lower part of the refrigeration room via a partition wall, and a freezer room is provided in the lowermost part. There is a known refrigerator.

  In the refrigerator having such an interior layout, a mist generating device is disposed on a partition wall that vertically partitions the refrigerator compartment and the vegetable compartment, and the mist generated from the mist generating device is supplied to the vegetable compartment, thereby There is known a refrigerator that maintains the freshness of vegetables and fruits stored in the room and promotes deodorization and antibacterial effects in the cabinet (for example, see Patent Document 1 below).

  In the above refrigerator, a recessed portion that is recessed below the upper surface and accommodates the mist generating device is provided in the partition wall, and the mist generating device such as water supply can be easily maintained by attaching and detaching the mist generating device from the refrigerator compartment. It is configured.

JP 2006-46769 A

  However, in the refrigerator configured as described above, the partition wall that separates the refrigerator compartment from the vegetable compartment constitutes the bottom surface of the refrigerator compartment that is frequently used, and the liquid stored in the refrigerator compartment is likely to spill on the top surface of the partition wall. In addition, since a recess for storing the mist generator is provided on the upper surface of the partition wall, the electrode terminal for supplying power to the mist generator provided inside the recess is submerged by the liquid spilled on the partition wall. There is a problem that it is easy.

  The present invention has been made in view of the above problems, and in a refrigerator in which a mist generating device is provided on a partition wall that vertically separates a refrigerator compartment and a vegetable compartment, an electrode terminal for supplying power to the mist generating device is provided. It is an object to provide a highly safe refrigerator that is not easily flooded.

  The refrigerator according to the present invention includes a heat insulating box, a partition wall that vertically partitions a refrigerated space provided inside the heat insulating box, and a mist generator disposed on the partition wall, the partition wall A refrigerator is provided above the partition wall, a vegetable room is provided below the partition wall, and the mist generated from the mist generator is supplied to the vegetable room. In the refrigerator, the partition wall is depressed below the upper surface. And a recess that houses the mist generating device, and a lid that closes an upper surface opening of the recess so as to be openable and closable while the mist generating device is stored in the recess.

  In the refrigerator of the present invention, the electrode terminal that supplies power to the mist generating device is less likely to be submerged by the above configuration, and the safety of the refrigerator can be improved.

It is sectional drawing of the refrigerator which concerns on 1st Embodiment of this invention. It is a perspective view which expands and shows the principal part of the refrigerator shown in FIG. It is a disassembled perspective view of the partition wall in the refrigerator shown in FIG. It is a top view which expands and shows the principal part of the partition wall shown in FIG. It is AA sectional drawing of FIG. It is sectional drawing which expands and shows the principal part of FIG. It is a block diagram which shows the electric constitution of the refrigerator shown in FIG.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the refrigerator 10 according to the present embodiment includes a refrigerator main body 11 including a heat insulating box body filled with a foam heat insulating material between an outer box forming an outer shell and an inner box forming a storage space. The storage space is partitioned into an upper refrigerated space 20 and a lower refrigerated space 30 by the heat insulating partition wall 12.

  The refrigerated space 20 is further partitioned vertically by a partition wall 40, a refrigerated chamber 22 having a plurality of stages of mounting shelves is provided in the upper space, and a vegetable chamber 24 in which a drawer-type storage container 25a is disposed in the lower space. Is provided.

  In the freezing space 30 arranged below the vegetable room 24, an ice making room 26 equipped with a relatively small volume automatic ice making machine and small freezing rooms (not shown) are provided side by side, and below that is a freezing room. 28 is provided.

  The opening of the refrigerating room 22 is closed by a refrigerating room door 23 pivotally supported by hinges provided above and below one side of the refrigerator body 11. The refrigerator compartment door 23 is detected by a door sensor 31 to open and close the door 23.

  The opening of the vegetable compartment 24 is closed by a pull-out door 25, and a pair of left and right slides engaged with a rail formed on the side wall surface of the vegetable compartment 24 extending rearwardly in the lower part of the rear surface of the pull-out door 25. The support container 25a is attached, and the storage container 25a is placed on the support frame, so that the storage container 25a is pulled out of the cabinet along with the opening operation of the pull-out door 25. In the vegetable compartment 24, an upper container 25b is disposed above the storage container 25a so that the stored items can be separated. The upper container 25b is configured to slide on the rail formed on the side wall surface of the vegetable compartment 24 and to be pulled out of the storage independently of the storage container 25a. A through hole 25c communicating with the storage container 25a disposed below the upper container 25b is formed in the bottom surface of the upper container 25b.

  As shown in FIG. 2, a top plate 42 that extends across the entire width of the refrigerator that also serves as a mounting shelf is disposed above the partition wall 40 that divides the refrigerator compartment 22 and the vegetable compartment 24 into upper and lower portions and constitutes the bottom surface of the refrigerator compartment 22. Has been. The space partitioned vertically by the partition wall 40 and the top plate 42 is partitioned into three by the two vertical partition walls 44 and 46 in the refrigerator width direction.

  Specifically, in this embodiment, the vertical partition wall 44 is disposed close to one side wall of the refrigerator compartment 22, and the vertical partition wall 46 is disposed near the central portion in the refrigerator width direction. In a space sandwiched between one side wall (left side wall) of the refrigerator compartment 22 and the vertical partition wall 44, a water storage tank 13 for storing ice-making water is disposed, and a space sandwiched between the vertical partition wall 44 and the vertical partition wall 46 The drawer-type storage container 14 is arranged in two upper and lower stages, and the drawer-type chilled container 15 is placed in the space between the vertical partition wall 46 and the other side wall (right side wall) of the refrigerator compartment 22. It is arranged.

  2 to 5, the partition wall 40 is disposed over the entire width of the refrigerator and forms the inner bottom surface of the refrigerator compartment 22. The partition wall 40 is disposed on the bottom surface of the plate body 50. A power supply unit 52 that forms a recess 48 that is recessed below the top surface and a lid 54 that closes the top opening 48a of the recess 48 so as to be openable and closable, and a mist generator 100 that generates mist in the recess 48 is housed. Is done.

  The plate body 50 is provided with a substantially rectangular outlet 56 communicating with a recess 48 provided in the power supply unit 52 in front of the drawer-type storage container 14 disposed below the refrigerator compartment 22. Flange portions 58 extend inwardly on the left and right peripheral edges of the outlet 56 formed in the plate body 50.

  A lid housing portion 60 that is recessed downward is formed behind the outlet 56, and sliding grooves 62 that are recessed further downward than the lid housing portion 60 are provided on the left and right sides of the lid housing portion 60. ing. The lid housing portion 60 is slightly bulged upward at the center in the width direction and gradually lowers toward the sliding groove 62 side. A rib 66 protruding upward is provided at the front end of the lid housing portion 60. It has been.

  The sliding groove 62 has a concave groove shape extending in the front-rear direction of the refrigerator. One end of the sliding groove 62 opens into the upper surface opening 48 a of the recess 48, and the other end terminates at the rear surface 60 a of the lid housing part 60. The sliding portion 64 disposed on the left and right side portions of the lid 54 is slidably disposed.

  Further, the plate body 50 is formed with a raised portion 68 protruding upward so as to surround the outlet 56, the lid housing portion 60 and the sliding groove 62, and on the side of the raised portion 68. A pair of protrusions 69 extending in the front-rear direction of the refrigerator protrude upward. The ridge 69 protrudes higher than the raised portion 68 and supports the bottom surface of the storage container 14 so as to be slidable.

  In such a configuration, the lid housing portion 60 receives the lid body 54, and the sliding portion 64 of the lid body 54 slides on the sliding groove 62 of the lid body housing portion 60, so that the lid housing portion 60 is disposed above. Without interfering with the drawer-type storage container 14, the lid 54 slides backward from the state of closing the upper surface opening 48 a of the recess 48 to open the upper surface opening 48 a of the recess 48.

  When the sliding portion 64 of the lid 54 slides forward on the sliding groove 62 of the lid housing portion 60 from the state in which the upper surface opening 48a of the recess 48 is open, the outlet 56 A flange portion 58 extending from the left and right peripheral edges covers the sliding portion 64 of the lid body 54 from above, and the lid body 54 slides forward without coming off upward, and closes the upper surface opening 48 a of the recess 48.

  As shown in FIGS. 3 and 5, the power supply unit 52 has a dish shape opened on the upper surface, and is supplied with power from the recess 48 that houses the mist generating device 100 and the control unit 32 that controls the refrigerator 10. A transformer 70 that boosts the voltage to generate a predetermined high voltage, an electrode terminal 72 that supplies the high-voltage power source boosted by the transformer 70 to the mist generator 100 housed in the recess 48, and an outer periphery of the recess 48 The power supply unit 52 is fixed to the lower surface of the plate body 50 so that the recess 48 is aligned with the outlet 56. As described above, in this embodiment, since the outlet 56 is formed in front of the drawer-type storage container 14, the recess 48 is disposed on the door side of the partition wall 40 (front side in the front-rear direction of the refrigerator 10).

  The recess 48 has a substantially rectangular shape in plan view, and communicates with the vegetable compartment 24 disposed below the partition wall 40 through a through hole 76 formed in the bottom surface of the recess 48.

  On the rear wall of the recess 48, an electrode terminal 72 and a limit switch 78 covered with a cover body 72a protrude forward. In the present embodiment, the electrode terminal 72 protrudes from the rear wall of the recess 48 so as not to coincide with one end of the sliding groove 62 opened in the upper surface opening 48 a of the recess 48. In other words, one end of the sliding groove 62 is open to the upper surface opening 48 a of the recess 48 avoiding the position above the electrode terminal 72.

  Then, by sliding the mist generating device 100 placed on the bottom surface of the recess 48 backward, the electrode pin 108 of the mist generating device 100 is inserted into the electrode terminal 72 and the power can be supplied to the mist generating device 100 in a predetermined position. Further, the limit switch 78 detects that the mist generating device 100 is disposed at a predetermined position by the rear portion of the mist generating device 100 coming into contact with the limit switch 78.

  In addition, guide rails 80 are disposed at the upper portions of the left and right side walls of the recess 48, and the guide rail 80 slidably supports the lower surface of the sliding portion 64 of the lid 54 when the lid 54 is slid forward. .

  Reference numeral 82 in FIG. 6 is a limit switch disposed on the front wall of the recess 48. When the upper surface opening 48a of the recess 48 is completely closed by the lid 54, the lid 54 The arm 54 a provided on the lower surface contacts the limit switch 82 and detects that the upper surface opening 48 a of the recess 48 is closed by the lid 54.

  A concave groove-like wiring storage portion 74 is provided so as to surround the outer peripheral portion of the concave portion 48, and an electric wiring 84 for connecting the transformer 70 and limit switches 78 and 82 and the control unit 32 of the refrigerator 10 is stored therein. Has been.

  In the power supply unit 52, a transformer 70, electrode terminals 72, limit switches 78 and 82 are disposed on a synthetic resin molded body having a predetermined shape provided with a recess 48 and a wiring storage portion 74, and the electrical wiring 84 is stored in the wiring. After being stored in the portion 74, it is attached to a predetermined position on the lower surface of the plate body 50 by screwing or the like. As a result, the upper surface opening 48 a of the recess 48 communicates with the outlet 56 of the plate body 50, the recess 48 for housing the mist generating device 100 is provided in the plate body 50, and the wiring provided on the outer periphery of the recess 48 The upper surface of the storage portion 74 is closed by the plate body 50.

  In the recess 48 formed in the partition wall 40 as described above, a mist generating device 100 for supplying mist into the vegetable compartment 24 is disposed, and the mist generating device 100 is disposed in the recess 48. The lid 54 opens and closes the outlet 56.

  The mist generator 100 is, for example, an electrostatic atomizer that generates mist of charged fine particles, and supplies the mist to a discharge unit 102 and a discharge unit 102 as shown in FIGS. 5 and 6. A water storage tank 104 for storing water, a water absorption part 106 for transporting water from the water storage tank 104 to the discharge part 102, and an electrode pin 108 to which a high voltage power source boosted by a transformer 70 is input.

  The discharge part 102 is made of a conductive aggregate including a porous body such as ceramics and carbon, and a mist generated by electrostatic atomization of water conveyed by the water absorption part 106 is provided on the bottom surface of the recess 48. It discharges into the vegetable compartment 24 through the formed through hole 76.

  The water absorption part 106 includes a water absorption pin 106a, a water absorption felt 106b, and a conductive felt 106c. The water absorption pin 106a is a columnar member made of an insulating porous material such as ceramics, and a lower end portion thereof is disposed in the water storage tank 104, and an upper end portion thereof is disposed in the water absorption felt 106b. The water in 104 is sucked upward and the water sucked from the water storage tank 104 is impregnated in the water absorbing felt 106b.

  The water absorption felt 106b is made of a non-conductive felt material, and supplies water sucked up from the water storage tank 104 by the water absorption pin 106a to the discharge portion 102 via the conductive felt 106c.

  The conductive felt 106c is made of a felt material having conductivity such as carbon felt, and is disposed so as to be in contact with the upper end portion of the discharge portion 102 and one end portion of the electrode pin 108, and is discharged from the electrode pin 108 via the conductive felt 106c. The unit 102 is electrically connected.

  In the mist generating apparatus 100 having such a configuration, a high voltage power supply from the transformer 70 is applied to the water sucked from the water storage tank 104 in the discharge unit 102, thereby generating a mist of fine particles charged from the discharge unit 102.

  As shown in FIGS. 1 and 7, the refrigerated space 20 and the refrigerated space 30 are provided at the lower back of the refrigerator 10, and a controller 32 drives a refrigeration cycle 35 and a fan 36 including a cooler 33 and a compressor 34. It cools by controlling, and the cool air produced | generated by the cooler 33 is supplied to each storage space by the fan 36, and each is cooled and controlled to predetermined temperature.

  The control unit 32 controls ON / OFF of the power supply of the mist generating device 100 based on signals input from the limit switches 78 and 82 provided in the door sensor 31 and the power supply unit 52, specifically, The door sensor 31 detects the closing of the refrigerator compartment door 23, the limit switch 78 detects that the mist generating device 100 is disposed at a predetermined position of the recess 48, and the upper surface opening 48a of the recess 48 is a lid. When the limit switch 82 detects that the body 54 is blocked, the control unit 32 supplies power to the transformer 70 and drives the mist generating device 100. In this way, by controlling the power supplied to the mist generating device 100 by the plurality of sensors 31, 78, 82, even if one of the sensors is defective, the user can use the other sensor to connect the electrode terminal 72. Therefore, it is possible to detect whether or not the electrode terminal 72 is in contact with the electrode terminal 72, so that the user does not accidentally touch the electrode terminal 72 to which a high voltage is applied.

  As described above, in the refrigerator 10 according to the present embodiment, the recessed portion 48 that houses the mist generating device 100 is provided in the partition wall 40 that vertically partitions the refrigerator compartment 22 and the vegetable compartment 24, and therefore is disposed above the partition wall 40. The mist generating device 100 can be removed from the refrigerating room 22 and the maintenance such as water supply is easy. In addition, since the recess 48 that houses the mist generating device 100 is disposed on the front side of the partition wall 40, the mist generating device 100 can be more easily maintained.

  Further, since the upper surface opening 48 a of the recess 48 can be closed by the lid 54, even if liquid spills into the partition wall 40, the liquid does not easily enter the recess 48, and power is supplied to the mist generator 100. Therefore, the electrode terminal 72 is difficult to get wet.

  In addition, since a through hole 76 communicating with the vegetable compartment 24 is formed in the bottom surface of the recess 48, even if a liquid enters the inside of the recess 48, the intruded liquid is introduced from the through hole 76 into the vegetable. It does not flow out into the chamber 24 and collect in the recess 48, and the electrode terminal 72 is difficult to get wet.

  Further, in the present embodiment, one end of the sliding groove 62 that slides the lid 54 opens to the upper surface opening 48 a of the recess 48 avoiding the position above the electrode terminal 72. The liquid spilled into the lid housing portion 60 can be caused to flow into the recess 48 through the sliding groove 62 without contacting the electrode terminal 72 protruding from the wall. Therefore, the electrode terminal 72 is hard to get wet and is excellent in safety.

  Further, in the present embodiment, the lid housing part 60 is slightly bulged upward in the center in the width direction and gradually lowers toward the sliding groove 62 side, so that liquid spills into the lid housing part 60. It quickly flows into the sliding groove 62 and the electrode terminal 72 is difficult to get wet. In addition, since the rib 66 protruding upward is provided at the front end of the lid housing portion 60, the liquid spilled into the lid housing portion 60 can be guided to the damming slide groove 62 by the rib 66. Therefore, the electrode terminal 72 is further less likely to get wet and is excellent in safety.

  Further, in the refrigerator 10 of the present embodiment, the plate body 50 is formed with the raised portions 68 that protrude upward so as to surround the outlet 56, the lid housing portion 60, and the sliding groove 62. The liquid spilled on 50 is blocked by the raised portion 68, and does not easily enter the recess 48, and the electrode terminal 72 is less likely to get wet.

  Further, in the refrigerator 10 of the present embodiment, the transformer 70, the electrode terminal 72, and the limit switches 78 and 82 are disposed on a synthetic resin molded body having a predetermined shape including the concave portion 48 and the wiring storage portion 74, and the electric After the wiring 84 is stored in the wiring storage portion 74 and the power supply unit 52 is assembled, the assembled power supply unit 52 is attached to a predetermined position on the lower surface of the plate body 50. Therefore, the transformer 70, the electrode terminal 72, etc. can be easily disposed on the partition wall 40, and the assembly workability can be improved.

  Furthermore, in the refrigerator 10 of this embodiment, since the bottom hole of the upper container 25b arrange | positioned in the vegetable compartment 24 is pierced by the through-hole 25c connected with the storage container 25a arrange | positioned below, vegetable While improving the usability by providing containers arranged in the upper and lower stages in the chamber 24 in the chamber 24, the mist from the mist generator 100 supplied from above the upper container 25b passes through the through hole 25c and the lower storage container 25a. It can be distributed inside.

DESCRIPTION OF SYMBOLS 10 ... Refrigerator 11 ... Heat insulation box 13 ... Water storage tank 14 ... Storage container 15 ... Chilled container 20 ... Refrigerated space 22 ... Refrigeration room 24 ... Vegetable room 25 ... Pull-out door 25a ... Storage container 25b ... Upper container 25c ... Through-hole 30 ... Frozen space 31 ... Door sensor 32 ... Control unit 40 ... Partition wall 42 ... Top plate 44 ... Vertical partition wall 46 ... Vertical partition wall 48 ... Recess 48a ... Top opening 50 ... Plate body 52 ... Power supply unit 54 ... Cover body 54a ... Arm 56 ... Taking-out port 58 ... Flange part 60 ... Lid housing part 62 ... Sliding groove 64 ... Sliding part 68 ... Raised part 69 ... Projection 100 ... Mist generator

Claims (3)

A heat insulating box, a partition wall that vertically partitions a refrigerated space provided in the heat insulating box, and a mist generator disposed on the partition wall, and a refrigeration chamber is provided above the partition wall In the refrigerator for providing a vegetable room on the lower side of the partition wall and supplying the vegetable room with the mist generated from the mist generator,
The partition wall is recessed below the upper surface to store the mist generating device, and a lid that closes the upper surface opening of the recess so as to be openable and closable with the mist generating device stored in the concave portion. A refrigerator characterized by comprising. The partition wall includes a sliding groove in which the lid slides so as to open and close an upper surface opening of the recess, and an electrode that is disposed in the recess and supplies power to the mist generator,
2. The refrigerator according to claim 1, wherein one end portion of the sliding groove opens to an upper surface opening of the concave portion so as to avoid a position above the electrode.   The refrigerator according to claim 1 or 2, wherein a peripheral edge of the upper surface opening of the recess is raised.

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