JP6105411B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator provided with an ice making device.

  A conventional refrigerator provided with an ice making device is disclosed in Patent Document 1. This refrigerator includes a refrigerator compartment, a freezer compartment, and an ice making room. The refrigerating room is maintained at a temperature higher than the freezing point, and the ice making room and the freezing room are communicated with each other and maintained at a lower temperature than the freezing point.

  The ice making device has a water storage tank arranged in the refrigerator compartment and an ice making tray arranged in the ice making room and supplied with water from the water storage tank. The water storage tank is detachably provided, and tap water is injected from the water injection port on the upper surface to store the water. The ice tray is supplied with water from a water storage tank through a water supply pipe, and ice making is performed in an ice making chamber having a temperature lower than the freezing point.

  A storage member that is immersed in the stored water and connected to the water supply pipe is disposed in the water storage tank. The storage member includes a water purification member (activated carbon or the like) for purifying water and a water softening member (ion exchange resin) for softening hard water. When water is supplied from the water storage tank to the ice tray, the water in the water storage tank passes through the storage member and is reformed into water quality suitable for ice making by water purification and softening.

Japanese Patent Laying-Open No. 2005-201534 (pages 5 to 8, FIG. 1)

  In recent years, a water purifier that provides purified water by connecting a water purifying member to a faucet of a water supply or a water purifier that provides water softened by connecting a water softening member has become widespread. As a result, the frequency of pouring water into the water storage tank after tap water or the like has been modified to a water quality suitable for ice making by passing through a water purifier or a water softener in advance. Since the water purifier and the water purification member are clogged when they are used continuously, they are exchanged at a predetermined time. Moreover, since the water softener and the water softening member have a predetermined ion exchange capacity, it is necessary to replace them with continued use.

  At this time, according to the conventional refrigerator, since the storage member is always immersed in the water in the water storage tank, the water whose quality is improved with respect to the tap water by the water purifier or the water softener is re-watered by the storage member. Reforming is performed. For this reason, when ice making by the ice making device is repeated, it is necessary to replace the water purifying member and the water softening member of the water purifier and the water softener and to replace the water purifying member and the water softening member of the storage member. Therefore, there is a problem that the running cost for ice making is large.

  Further, since the storage member is always in contact with the water in the water storage tank, there is a possibility that various germs may propagate on the storage member, and the hygiene of the refrigerator is deteriorated.

  An object of this invention is to provide the refrigerator provided with the ice making apparatus which can improve a hygiene while reducing running cost.

  In order to achieve the above-described object, the present invention is arranged in a water storage tank that is stored by water injection from a water injection section and is disposed in a first storage chamber that is higher than the freezing point, and a second storage chamber that is lower than the freezing point. And a water quality variable unit that reforms the quality of the surrounding water or the water that has passed through the ice making device that performs ice making with an ice tray that is supplied from a water supply path including the water storage tank. A contact state in which the water quality variable unit contacts water in the water supply path or water at the time of water injection from the water injection part, and the water quality variable part is at the time of water injection from the water in the water supply path and from the water injection part It is characterized in that it can be selectively selected from a non-contact state that is non-contact with water.

  According to this configuration, when water is supplied to the ice tray from the water supply path including the water storage tank disposed in the first storage chamber, the water in the ice tray is frozen by the cold air in the second storage chamber, and ice making is performed. The water storage tank is stored by water injection from a water injection unit, and a user selects a contact state or a non-contact state between water at the time of water injection or water distributed in a water supply path and a water quality variable unit. When the water supplied to the water injection section has a water quality suitable for ice making, the non-contact state is selected, and when the water quality is not suitable for ice making, the contact state is selected to improve the water quality suitable for ice making.

  Moreover, the present invention is characterized in that, in the refrigerator configured as described above, the water quality variable portion is provided in the water storage tank.

  Further, in the refrigerator having the above-described configuration, the water injection portion opens in a lid portion that covers the upper surface of the water storage tank, and the water quality variable portion is disposed above an upper limit water level of the water storage tank. It moves between the position which opposes a part, and the position away from the said water injection part, It is characterized by the above-mentioned.

  In the refrigerator having the above-described configuration, the water quality variable unit is movable between a position where the water quality variable portion is disposed above the upper limit water level of the water storage tank and a position which is disposed below the upper limit water level. It is said.

  Moreover, this invention is comprised with the 1st water inlet and 2nd water inlet which the said water injection part opens to the cover part which covers the upper surface of the said water storage tank, and the said water quality variable part is the upper limit of the said water storage tank in the refrigerator of the said structure. It is arranged above the water level and covers one of the first water inlet and the second water inlet.

  Moreover, the present invention is characterized in that in the refrigerator having the above-described configuration, the water quality variable section purifies, softens, tastes, or colors the water in the water storage tank.

  According to the present invention, the water quality variable section is in contact with the water in the water supply path or the water at the time of water injection from the water injection section, and the water quality variable section is in contact with the water in the water supply path and the water during water injection from the water injection section And non-contact non-contact state can be selected alternatively. By this, when the quality of the water supplied to the water injection part is suitable for ice making, the non-contact state is selected, and when the water quality is not suitable for ice making, the contact state is selected to improve the water quality suitable for ice making. it can. Therefore, since the water quality variable portion does not come into contact with water in a non-contact state, the running cost can be reduced by reducing the replacement frequency of the water quality variable portion. Moreover, the hygiene of the refrigerator can be improved by reducing the propagation of germs in the water quality variable part.

Side surface sectional drawing which shows the refrigerator of 1st Embodiment of this invention. Side surface sectional drawing which shows the water storage tank of the refrigerator of 1st Embodiment of this invention The top view which shows the contact state of the cover part of the water storage tank of the refrigerator of 1st Embodiment of this invention The top view which shows the rotation mechanism part of the water storage tank of the refrigerator of 1st Embodiment of this invention. The perspective view which shows the rotation mechanism part of the water storage tank of the refrigerator of 1st Embodiment of this invention. The top view which shows the non-contact state of the cover part of the water storage tank of the refrigerator of 1st Embodiment of this invention Side surface sectional view which shows the water storage tank of the refrigerator of 2nd Embodiment of this invention The top view which shows the cover part of the water storage tank of the refrigerator of 2nd Embodiment of this invention. Side surface sectional drawing which shows the water storage tank of the refrigerator of 3rd Embodiment of this invention. The top view which shows the cover part of the water storage tank of the refrigerator of 3rd Embodiment of this invention. Side surface sectional drawing which shows the contact state of the water storage tank of the refrigerator of 4th Embodiment of this invention The top view which shows the cover part of the water storage tank of the refrigerator of 4th Embodiment of this invention. Side surface sectional view which shows the non-contact state of the water storage tank of the refrigerator of 4th Embodiment of this invention

<First Embodiment>
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a side sectional view of the refrigerator of the first embodiment. In the refrigerator 1, a refrigerator compartment 3 (first storage compartment) is arranged at the upper part of the heat insulating box 2 forming the main body, and the freezer compartment 4 is arranged at the lower part through the heat insulating wall 2a. An ice making chamber 9 (second storage chamber) is provided in the upper part of the freezer compartment 4. The front surface of the refrigerator compartment 3 is opened and closed by a door 5 pivotally supported on the heat insulation box 2, and the front surface of the freezer compartment 4 is opened and closed by a door 7 pivoted on the heat insulation box 2.

  First and second cold air passages 11 and 12 communicating with each other via dampers (not shown) are provided on the back surfaces of the freezer compartment 4 and the refrigerator compartment 3. A cooler 13 and a blower 14 are disposed in the first cold air passage 11, and a freezer compartment discharge port (not shown) facing the freezer compartment 4 is opened. The cooler 13 is connected to a compressor (not shown) that operates the refrigeration cycle. In the second cold air passage 12, a refrigerator outlet (not shown) facing the refrigerator compartment 3 opens. The freezer compartment 4 is provided with a freezer return port (not shown) for returning cold air to the first cold air passage 11, and the refrigerating chamber 3 is provided with a freezer compartment return port (not shown) for returning cold air to the first cold air passage 11. Is provided.

  The air flowing through the first cold air passage 11 is exchanged with the cooler 13 by driving the compressor and the blower 14 to generate cold air, which is discharged from the freezer outlet to the freezer 4. The inside of the freezer compartment 4 is cooled by the cold air discharged to the freezer compartment 4, and returns to the cooler 13 through the freezer compartment return port. Thereby, the inside of the freezer compartment 4 including the ice making compartment 9 is maintained at a temperature lower than the freezing point.

  When the damper is opened, a part of the cold air flowing through the first cold air passage 11 flows into the second cold air passage 12 and is discharged from the refrigerating chamber discharge port to the refrigerating chamber 3. The inside of the refrigerator compartment 3 is cooled by the cold air discharged to the refrigerator compartment 3, and returns to the cooler 13 through the refrigerator compartment return port. Thereby, the inside of the refrigerator compartment 3 is maintained at a temperature higher than the freezing point.

  The refrigerator 1 is provided with an ice making device 20 for making ice. The ice making device 20 includes a water storage tank 30 disposed in the refrigerator compartment 3 and an ice tray 25 disposed in the ice making chamber 9. An ice storage container 15 is disposed below the ice tray 25.

  The water storage tank 30 disposed on the heat insulating wall 2 a stores water for ice making, and is detachably disposed from the refrigerator compartment 3 by opening and closing the door 5. A tank heater 21 for preventing the water storage tank 30 from freezing is provided on the heat insulating wall 2a.

  Above the ice tray 25, an open end of the water supply pipe 22 led out from the water storage tank 30 is arranged. Water is supplied from the water storage tank 30 to the ice tray 25 by driving a water supply pump 22 a provided on the path of the water supply pipe 22. The water supply pipe 22 is provided with a pipe heater 22b for preventing freezing.

  The ice making tray 25 is made of a flexible member having a plurality of ice making pockets 25a having an upper surface opened, and ice having a shape corresponding to the ice making pocket 25a is made by the cold air in the ice making chamber 9. Further, the ice tray 25 is rotatably supported, and an ice removing motor 24 is connected to one end. The ice tray 25 is twisted with the upper surface facing downward by the drive of the ice removal motor 24 to perform ice removal, and the ice storage container 15 stores the ice.

  FIG. 2 is a side sectional view of the water storage tank 30. The water storage tank 30 includes a water storage unit 31 that opens the upper surface and stores water, and a lid portion 32 that covers the upper surface of the water storage unit 31. Engaging claws 32a and 32b projecting downward are provided at the front and rear ends of the lid portion 32, respectively. Engagement holes 31 a and engagement protrusions 31 b that engage with the engagement claws 32 a and 32 b are respectively provided at front and rear ends of the upper surface of the water storage unit 31.

  The engagement holes 31a and the engagement protrusions 31b are engaged with the engagement claws 32a and 32b, respectively, and the lid portion 32 is mounted, and the upper surface of the water storage portion 31 is closed. When the engagement of the engagement claws 32a and 32b with respect to the engagement hole 31a and the engagement protrusion 31b is released, the lid portion 32 can be removed and the water storage portion 31 can be cleaned.

  FIG. 3 shows a top view of the lid portion 32. 2 and 3, a concave portion 34a is formed in the front portion of the upper surface of the lid portion 32, and a water injection port 34 (water injection portion) including a plurality of small holes is provided on the bottom surface of the concave portion 34a. Tap water or the like is injected through the water injection port 34 and stored in the water storage section 31 of the water storage tank 30 up to the upper limit water level H. In addition, the marking which shows the upper limit water level H is given to the side wall of the water storage part 31.

  An extension pipe 33 that extends downward and is immersed in the water storage portion 31 is provided at the rear portion of the lid portion 32. A joint 33 a extending rearward is provided on the upper portion of the extension pipe 33. When the water storage tank 30 is disposed in the refrigerator compartment 3 (see FIG. 1), the joint 33a is connected to the joint 22c provided on the water supply pipe 22 (see FIG. 1). Thereby, the extension pipe 33 and the water supply pipe 22 communicate. When the water storage tank 30 is pulled forward, the joint 33a is separated from the joint 22c, and the water storage tank 30 is taken out from the refrigerator compartment 3.

  The lid portion 32 is provided with a rotation mechanism portion 50 that rotates a holder 40 that holds a water quality variable portion 41 described later. 4 and 5 show an upper surface portion and a perspective view of the rotation mechanism portion 50. The rotation mechanism unit 50 includes a knob 36, a first gear 37, a second gear 38, and a holder 40. The knob 36 is disposed on the upper surface of the lid portion 32, has a shaft 36 a that penetrates the lid portion 32, and is rotatably supported by a vertical rotating shaft. The first gear 37 is attached to the lower end of the shaft 36 a and rotates integrally with the knob 36.

  The second gear 38 is rotatably supported by a rotation axis perpendicular to the columnar portion 32 d extending from the lid portion 32 and meshes with the first gear 37. The holder 40 is formed in a disk shape and rotates integrally with the second gear 38 in a coaxial manner. Thereby, the holder 40 is rotated via the first and second gears 37 and 38 by the rotation of the knob 36. At this time, the holder 40 is disposed above the upper limit water level H of the water storage tank 30.

  A number of small holes 40a penetrating in the axial direction are provided in one semicircular portion with respect to the center of the holder 40, and a fan-shaped water passage 40b penetrating in the axial direction is provided in the other semicircular portion. A water quality variable unit 41 is detachably held in the water passage 40b. The water quality variable unit 41 has water permeability and modifies the water quality of the water that has passed through the water passage 40b.

  The water quality variable unit 41 includes a water purification member for purifying water quality such as activated carbon, a water softening member for softening hard water such as ion exchange resin, etc., and reforms the water quality suitable for ice making. Chlorine contained in the water is removed by the water purification member, and the ice odor of ice can be prevented. Moreover, the mineral component contained in water is removed by the water softening member, and the clouding of ice can be prevented.

  As shown in FIG. 3, the water quality varying unit 41 is positioned between the position facing the water inlet 34 as shown in FIG. 3 and the position where the small hole 40a faces the water inlet 34 away from the water inlet 34 as shown in FIG. Move between. Thereby, if the water quality variable part 41 opposes the water injection port 34, it will be in the contact state which the water quality variable part 41 contacts the water at the time of water injection. Moreover, when the small hole 40a opposes the water injection port 34, the water quality variable part 41 will be in a non-contact state which is non-contact with the water at the time of water injection. In addition, since the holder 40 is arranged above the upper limit water level H, the water quality variable unit 41 is not in contact with the water in the water storage tank 30 in a contact state and a non-contact state with respect to the water at the time of water injection.

  In the refrigerator 1 configured as described above, the water storage tank 30 is removed from the refrigerator compartment 3, and water is injected from the water injection port 34 and stored in the water storage tank 30. At this time, when water such as tap water is poured from the water inlet 34, the water quality variable unit 41 is set in a contact state, and the water quality variable unit 41 reforms the water quality suitable for ice making and stores the water. In addition, when water that has been modified to water quality suitable for ice making through water purifiers or water softeners is injected from the water injection port 34, the water quality variable unit 41 is set in a non-contact state and stored.

  When water is stored to a water level that does not exceed the upper limit water level H of the water storage tank 30, the water storage tank 30 is installed in the refrigerator compartment 3 with the joints 22c and 33a being connected. When the water supply pump 22 a is driven, water is supplied to the ice tray 25 through the extension pipe 33 and the water supply pipe 22. Thereby, the water in the ice tray 25 is frozen in the ice making chamber 9 at a temperature lower than the freezing point. When a predetermined time elapses after supplying water to the ice tray 25, it is determined that ice making is completed, and the ice is removed by driving the ice removing motor 24 and stored in the ice storage container 15. And the next ice making is performed by the water supply by the water supply pump 22a.

  According to the present embodiment, the water quality variable unit 41 comes into contact with the water at the time of water injection from the water injection port 34 (water injection unit), and the water quality variable unit 41 from the water and water injection port 34 stored in the water storage tank 30. The non-contact state that is non-contact with water at the time of water injection can be alternatively selected. As a result, when the quality of the water supplied to the water inlet 34 is suitable for ice making, the non-contact state is selected and stored, and when the quality is not suitable for ice making, the contact state is selected and the water quality suitable for ice making is improved. Can be stored in quality.

  Therefore, since the water quality variable unit 41 does not come into contact with water in the non-contact state, the replacement frequency of the water quality variable unit 41 can be reduced and the running cost can be reduced. In addition, it is possible to improve the hygiene of the refrigerator 1 by reducing the propagation of germs in the water quality variable unit 41.

  Further, the water quality variable portion 41 is disposed above the upper limit water level H of the water storage tank 30, and between the position facing the water inlet 34 opened in the lid portion 32 by the rotation of the holder 40 and the position away from the water inlet 34. Move. Therefore, the water storage tank 30 capable of selecting the contact state and the non-contact state can be easily realized.

  Moreover, since the water in the water storage tank 30 is purified or softened by the water quality variable unit 41, it is possible to prevent ice odor and ice turbidity.

Second Embodiment
Next, FIG. 7 shows a side sectional view of the water storage tank 30 of the refrigerator 1 of the second embodiment, and FIG. 8 shows a top view of the lid portion 32 of the water storage tank 30. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIG. This embodiment differs in the structure of the holder 40 holding the water quality variable part 41 and the movable mechanism of the holder 40 from 1st Embodiment. Other parts are the same as those in the first embodiment.

  A groove portion 42 extending in the front-rear direction is formed in the upper surface of the lid portion 32 of the water storage tank 30, and a recessed portion 34 a having a water inlet 34 is formed in the front portion of the bottom surface of the groove portion 42. The holder 40 is formed in a rectangular shape in plan view having a large number of small holes 40c penetrating in the vertical direction, and holds the water quality variable portion 41 therein. Further, the holder 40 is fitted in the groove portion 42 and is slidable back and forth by the guide of the rail portion 42 a provided at the upper end of the groove portion 42.

  The holder 40 for holding the water quality variable portion 41 is movable between a position facing the water injection port 34 shown by a solid line in FIG. 7 and a position away from the water injection port 34 shown by a broken line 40 '. Thereby, if the water quality variable part 41 opposes the water injection port 34, it will be in the contact state which the water quality variable part 41 contacts the water at the time of water injection. Moreover, if the water quality variable part 41 leaves | separates from the water inlet 34, the water quality variable part 41 will be in a non-contact state which is non-contact with the water at the time of water injection.

  Further, since the holder 40 is provided on the upper surface of the lid portion 32, the holder 40 is disposed above the upper limit water level H of the water storage tank 30. Thereby, the water quality variable part 41 is non-contact with the water in the water storage tank 30 in the contact state and the non-contact state. The holder 40 may be disposed on the lower surface of the lid portion 32 above the upper limit water level H of the water storage tank 30.

  According to the present embodiment, as in the first embodiment, the water quality variable unit 41 is in contact with the water at the time of water injection from the water injection port 34 (water injection unit), and the water quality variable unit 41 stores water in the water storage tank 30. The non-contact state that is not in contact with the injected water and water at the time of water injection from the water injection port 34 can be alternatively selected. Therefore, since the water quality variable unit 41 does not come into contact with water in the non-contact state, the replacement frequency of the water quality variable unit 41 can be reduced and the running cost can be reduced. In addition, it is possible to improve the hygiene of the refrigerator 1 by reducing the propagation of germs in the water quality variable unit 41.

  In addition, the water quality variable portion 41 is disposed above the upper limit water level H of the water storage tank 30, and is located between a position facing the water injection port 34 opened in the lid portion 32 by the slide of the holder 40 and a position away from the water injection port 34. Move. Therefore, the water storage tank 30 capable of selecting the contact state and the non-contact state can be easily realized.

<Third Embodiment>
Next, FIG. 9 shows a side sectional view of the water storage tank 30 of the refrigerator 1 of the third embodiment, and FIG. 10 shows a top view of the lid portion 32 of the water storage tank 30. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIG. The present embodiment is different from the first embodiment in that the rotation mechanism 50 is omitted and the configuration of the lid 32 is different. Other parts are the same as those in the first embodiment.

  On the upper surface of the lid portion 32 of the water storage tank 30, a concave portion 34a and a concave portion 35a arranged in the front-rear direction are formed in a recessed manner. Water injection ports 34 and 35 (first and second water injection ports) each having a small hole are opened on the bottom surfaces of the recess 34a and the recess 35a, respectively. The water quality variable portion 41 is held in one of the recesses 35a by engagement of an engaging claw (not shown) and the water injection port 35 is covered with the water quality variable portion 41.

  Thereby, when water is injected from the water injection port 35, the water quality variable unit 41 comes into contact with the water at the time of water injection. Moreover, when water is injected from the water injection port 34, the water quality variable unit 41 is in a non-contact state that is non-contact with water at the time of water injection.

  The recess 35 a is recessed on the upper surface of the lid portion 32, and the water quality variable portion 41 is disposed above the upper limit water level H of the water storage tank 30. Thereby, the water quality variable part 41 is non-contact with the water in the water storage tank 30 in the contact state and the non-contact state.

  According to the present embodiment, as in the first embodiment, the water quality variable unit 41 is in contact with the water at the time of water injection from the water injection port 35 (second water injection port), and the water quality variable unit 41 is in the water storage tank 30. The non-contact state that is not in contact with water stored in the water and water at the time of water injection from the water injection port 34 (first water injection port) can be alternatively selected. Therefore, since the water quality variable unit 41 does not come into contact with water in the non-contact state, the replacement frequency of the water quality variable unit 41 can be reduced and the running cost can be reduced. In addition, it is possible to improve the hygiene of the refrigerator 1 by reducing the propagation of germs in the water quality variable unit 41.

  Moreover, since the water quality variable part 41 is distribute | arranged above the upper limit water level H of the water storage tank 30, and covers one of the water injection ports 34 and 35 which comprise a water injection part, the water storage tank which can select a contact state and a non-contact state 30 can be easily realized.

<Fourth embodiment>
Next, FIG. 11 shows a side sectional view of the water storage tank 30 of the refrigerator 1 of the fourth embodiment, and FIG. 12 shows a top view of the lid portion 32 of the water storage tank 30. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIG. In this embodiment, a rotation mechanism unit 60 is provided instead of the rotation mechanism unit 50 in the first embodiment. Other parts are the same as those in the first embodiment.

  The rotation mechanism unit 60 includes a holder 40 and a roller 39 that hold the water quality variable unit 41. The roller 39 formed in a columnar shape is provided horizontally through the lid portion 32 behind the water injection port 34, and is rotatably supported by a shaft 39a on a horizontal rotating shaft. At this time, the upper portion of the roller 39 is disposed above the lid portion 32, and the lower portion of the roller 39 is disposed below the lid portion 32.

  Angles 32e are erected on the left and right ends of the lower surface of the lid portion 32. A cylindrical holder 40 is supported on the angle 32e by a shaft portion 32f so as to be rotatable about a horizontal rotating shaft. Further, gear portions 39b and 40c that mesh with each other are provided on the peripheral surfaces of the roller 39 and the holder 40, respectively. Thereby, the holder 40 is rotated by the rotation operation of the roller 39.

  As in the first embodiment, the holder 40 is provided with a plurality of small holes 40a penetrating in the axial direction in one semicircular portion with respect to the center of the holder 40, and penetrating in the axial direction in the other semicircular portion. A fan-shaped water passage 40b is provided. A water quality variable unit 41 is detachably held in the water passage 40b. As will be described later, the water quality variable unit 41 does not need to be water permeable because it is immersed in the water in the water storage tank 30, but it is more desirable to have water permeability because water penetrates into the inside.

  The water quality changing unit 41 is positioned below the upper limit water level H of the water storage tank 30 as shown in FIG. 11 by the rotation of the roller 39, and above the upper limit water level H of the water storage tank 30 as shown in FIG. It can move between the locations.

  When the water quality variable unit 41 is arranged below the upper limit water level H of the water storage tank 30, the water quality variable unit 41 is brought into contact with the water in the water storage tank 30 by being immersed therein. Thereby, the water quality variable part 41 modifies the water quality of the surrounding water. Moreover, if it arrange | positions above the upper limit water level H of the water storage tank 30, the water quality variable part 41 will be in a non-contact state without contact with the water in the water storage tank 30. In addition, since the holder 40 is arranged behind the water injection port 34, the water quality variable unit 41 is not in contact with water injection from the water injection port 34 in a contact state and a non-contact state.

  Thereby, when water such as tap water is poured from the water inlet 34, the water quality variable unit 41 is set in contact with the water in the water storage tank 30, and the water quality variable unit 41 makes the water quality suitable for ice making. Reformed and stored. In addition, when water that has been modified to water quality suitable for ice making through water purifiers or water softeners is injected from the water injection port 34, the water quality variable unit 41 is set in a non-contact state and stored.

  According to this embodiment, as in the first embodiment, the contact state where the water quality variable unit 41 contacts the water stored in the water storage tank 30, the water stored in the water storage tank 30 and the water stored in the water storage tank 30 and A non-contact state that is not in contact with the water at the time of water injection from the water injection port 34 can be alternatively selected. Therefore, since the water quality variable unit 41 does not come into contact with water in the non-contact state, the replacement frequency of the water quality variable unit 41 can be reduced and the running cost can be reduced. In addition, it is possible to improve the hygiene of the refrigerator 1 by reducing the propagation of germs in the water quality variable unit 41.

  Moreover, since the water quality variable part 41 moves between the position arranged above the upper limit water level H of the water storage tank 30 and the position arranged below the upper limit water level H by the rotation of the holder 40, the contact state The water storage tank 30 that can select the non-contact state can be easily realized.

  In 1st-4th embodiment, the water quality variable part 41 may contain the coloring member which colors the water which contacted, and the seasoning member which tastes the water which contacted. Thereby, when tap water etc. are stored in the water storage tank 30, it can set to a contact state and can obtain the ice colored by the water quality variable part 41 and the taste. In addition, when a tasted or colored beverage or the like is stored in the water storage tank 30, it is set in a non-contact state, and ice from the beverage or the like can be obtained without changing the color or taste.

  Further, the water storage tank 30 is provided with the water quality variable unit 41, but the water quality variable unit 41 for improving the quality of the water that has passed therethrough is provided in the water supply pipe 22, and the water flowing through the water supply pipe 22 and the contact between the water quality variable unit 41 A state and a non-contact state may be selectable. That is, if the water quality variable unit 41 is provided in the water supply path including the water storage tank 30 that supplies water to the ice tray 25, the same effect can be obtained.

  According to this invention, it can utilize for the refrigerator provided with the ice making apparatus.

DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Heat insulation box 3 Refrigeration room 4 Freezing room 5, 7 Door 9 Ice making room 11 1st cold air passage 12 2nd cold air passage 13 Cooler 14 Blower 15 Ice storage container 20 Ice making device 22 Water supply pipe 22a Water supply pump 24 Ice release motor 25 Ice tray 30 Water storage tank 31 Water storage part 32 Cover part 33 Extension pipe 34, 35 Water inlet 34a, 35a Recess 36 Knob 37 First gear 38 Second gear 39 Roller 40 Holder 40b Water passage 41 Water quality variable part 42 Groove part 50, 60 Rotating mechanism

Claims (4)

Water is stored by water injection from the water injection section and is distributed to the first storage chamber having a temperature higher than the freezing point and the second storage chamber having a temperature lower than the freezing point, and is supplied from a water supply path including the water storage tank. In a refrigerator equipped with an ice making device having an ice making tray, the water storage tank is provided with a water quality variable unit that reforms the quality of the surrounding water or the water that has passed through, and the water quality variable unit is the water supply path Contact state in contact with water in the water or when water is injected from the water injection part, and non-contact state in which the water quality variable part is not in contact with water in the water supply path and water during water injection from the water injection part Can be selected alternatively ,
The water injection part opens to a lid part that covers the upper surface of the water storage tank, the water quality variable part is arranged above the upper limit water level of the water storage tank, and is away from the water injection part and the position facing the water injection part. A refrigerator characterized in that it can move between different positions . Water is stored by water injection from the water injection section and is distributed to the first storage chamber having a temperature higher than the freezing point and the second storage chamber having a temperature lower than the freezing point, and is supplied from a water supply path including the water storage tank. In a refrigerator equipped with an ice making device having an ice making tray, the water storage tank is provided with a water quality variable unit that reforms the quality of the surrounding water or the water that has passed through, and the water quality variable unit is the water supply path Contact state in contact with water in the water or when water is injected from the water injection part, and non-contact state in which the water quality variable part is not in contact with water in the water supply path and water during water injection from the water injection part Can be selected alternatively ,
The refrigerator, wherein the water quality variable unit is movable between a position disposed above an upper limit water level of the water storage tank and a position disposed below the upper limit water level . Water is stored by water injection from the water injection section and is distributed to the first storage chamber having a temperature higher than the freezing point and the second storage chamber having a temperature lower than the freezing point, and is supplied from a water supply path including the water storage tank. In a refrigerator equipped with an ice making device having an ice making tray, the water storage tank is provided with a water quality variable unit that reforms the quality of the surrounding water or the water that has passed through, and the water quality variable unit is the water supply path Contact state in contact with water in the water or when water is injected from the water injection part, and non-contact state in which the water quality variable part is not in contact with water in the water supply path and water during water injection from the water injection part Can be selected alternatively ,
The water injection part is constituted by a first water injection port and a second water injection port that open in a lid part that covers the upper surface of the water storage tank, and the water quality variable part is arranged above the upper limit water level of the water storage tank, A refrigerator that covers one of the first water inlet and the second water inlet . The refrigerator according to any one of claims 1 to 3 , wherein the water quality variable unit purifies, softens, tastes, or colors the water in the water storage tank.

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