WO2022121953A1 - 饮用水供应装置和包括饮用水供应装置的冰箱 - Google Patents

饮用水供应装置和包括饮用水供应装置的冰箱 Download PDF

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Publication number
WO2022121953A1
WO2022121953A1 PCT/CN2021/136509 CN2021136509W WO2022121953A1 WO 2022121953 A1 WO2022121953 A1 WO 2022121953A1 CN 2021136509 W CN2021136509 W CN 2021136509W WO 2022121953 A1 WO2022121953 A1 WO 2022121953A1
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WIPO (PCT)
Prior art keywords
water
supply device
dispenser
water supply
drain
Prior art date
Application number
PCT/CN2021/136509
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English (en)
French (fr)
Inventor
村田和士
Original Assignee
海尔智家股份有限公司
青岛海尔电冰箱有限公司
Aqua 株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海尔智家股份有限公司, 青岛海尔电冰箱有限公司, Aqua 株式会社 filed Critical 海尔智家股份有限公司
Priority to CN202180082229.2A priority Critical patent/CN116568979A/zh
Publication of WO2022121953A1 publication Critical patent/WO2022121953A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays

Definitions

  • the present invention relates to a drinking water supply device for supplying drinking water through a dispenser and a refrigerator including the drinking water supply device.
  • a refrigerator including a drinking water supply device to which drinking water is supplied by a user operating a dispenser.
  • a cold water tank is arranged on the upstream side of the filter, and the user operates the distributor, whereby the cold water accumulated in the cold water tank flows through the filter and is supplied to the distributor (for example, refer to Patent Document 1: Japanese Patent Laid-Open No. 2010-96410 ). Bulletin No. ).
  • an object of the present invention is to solve the above-mentioned problems, and to provide a drinking water supply device and a refrigerator including the drinking water supply device, which can suppress hygienic problems with water before or after being discharged from a dispenser.
  • Dispenser based on the user's operation for water discharge and water stop;
  • a dispenser receiver receiving water discharged from the dispenser
  • a drain pipe directing water in the water circuit or in the dispenser receptacle to the drain evaporating dish.
  • the water in the water circuit or the water in the distributor receiver can be drained to the drain pan by the drain pipe, so the drain pan with the upper surface opened can be used to evaporate and treat the drained water.
  • the drain pan with the upper surface opened can be used to evaporate and treat the drained water.
  • the drinking water supply device of the present invention is characterized in that it also includes:
  • control unit that controls opening and closing of the automatic valve
  • the control unit controls the automatic valve to be in a normally closed state, and when it is determined that at least one discharge condition is satisfied, performs control to switch the automatic valve from closed to open to discharge the automatic valve through the drain pipe.
  • the water in the water circuit is discharged to the drainage evaporating dish, and after a predetermined discharge time, it returns to be closed,
  • the discharge conditions include elapse of a predetermined standby time.
  • the automatic valve capable of discharging the water in the water circuit is included, and the automatic valve can be switched from closed to open every time a predetermined standby time elapses, so that the water in the water circuit can be discharged to the drain pan via the drain pipe. .
  • the automatic valve can be switched from closed to open every time a predetermined standby time elapses, so that the water in the water circuit can be discharged to the drain pan via the drain pipe.
  • the drinking water supply apparatus of the present invention is characterized in that, in the discharge condition, a predetermined water stop time has elapsed while the dispenser is in a water stop state.
  • the automatic valve can be switched from closed to open to discharge the water in the water circuit to the drainage evaporating dish via the drain pipe when a predetermined water-out time has elapsed while the dispenser is in the water-out state.
  • the drinking water supply apparatus of the present invention is characterized in that,
  • the discharge condition includes determining that the liquid level height of the drain evaporating dish is within a predetermined height based on a signal from the liquid level sensor.
  • the automatic valve when it is determined based on the signal from the liquid level sensor that the liquid level of the drain evaporating dish is within a predetermined height, the automatic valve is switched from closed to open to discharge the water in the water circuit through the drain pipe to the Drain evaporating dish. Thereby, the problem of overflow of the water of a drain pan can be prevented beforehand.
  • the liquid level within the predetermined height also includes the case where the drain evaporating dish is empty.
  • the drinking water supply device of the present invention is characterized in that the water circuit includes a water storage pipe, a warm water tank, piping and a three-way valve; and water from the water source is supplied to the water storage pipe and the warm water tank via the piping and the three-way valve.
  • the drinking water supply apparatus of the present invention is characterized in that the switching valve includes a lever for switching the water out and out of the water for each of cold water and warm water.
  • the drinking water supply device of the present invention is characterized in that a slit is provided on the upper surface of the dispenser receiving portion, and water discharged from the dispenser that is not received by a cup or the like accumulates in the place through the slit. the bottom of the dispenser receiver.
  • the drinking water supply device of the present invention is characterized in that the drinking water supply device further includes an automatic valve for opening and closing between the water circuit and the drain pipe; the automatic valve The valve is installed on the water storage pipe in the water circuit or the piping on the downstream side of the warm water tank and close to the distributor.
  • the drinking water supply device of the present invention is characterized in that one end of the drain pipe is connected to the dispenser receiving portion, and the other end is connected to the drain pan.
  • An evaporating dish used as the drain evaporating dish, holds the water produced by defrosting,
  • the discharge condition includes the elapse of a predetermined time from the end of the defrosting process of the evaporator.
  • the automatic valve when a predetermined time elapses from the end of the defrosting process of the evaporator, the automatic valve is switched from closed to open to drain the water in the water circuit to the drain pan via the drain pipe.
  • the automatic valve When defrosting the evaporator is performed, melted water may flow into the evaporating dish, and the liquid level of the evaporating dish may rise.
  • a predetermined time has elapsed from the end of the defrosting process, it is considered that the liquid level is lowered due to evaporation or the like. Therefore, even if the water in the water circuit is drained, overflow of the evaporating pan can be prevented.
  • a drinking water supply device and a refrigerator including the drinking water supply device which can suppress sanitation problems with water before or after being discharged from a dispenser.
  • FIG. 1 is a diagram schematically showing a drinking water supply apparatus according to a first embodiment of the present invention.
  • Fig. 2 is a diagram schematically showing a drinking water supply apparatus of a second embodiment of the present invention.
  • Fig. 3 is a diagram schematically showing a drinking water supply apparatus of a third embodiment of the present invention.
  • FIG. 4A is a perspective view showing an example of the arrangement of a drain pipe in a case where the drinking water supply device of the first embodiment is arranged in a refrigerator.
  • FIG. 4B is an enlarged perspective view showing the periphery of the dispenser receiving portion of FIG. 4A .
  • 5A is a perspective view showing another example of the arrangement of the drain pipe in the case where the drinking water supply device of the first embodiment is arranged in the refrigerator.
  • FIG. 5B is an enlarged perspective view showing the periphery of the drainage evaporating dish in the refrigerator of FIG. 5A .
  • 6A is a flowchart showing a first example of the opening/closing control of the automatic valve by the control unit.
  • 6B is a flowchart showing a second example of the opening/closing control of the automatic valve by the control unit.
  • 6C is a flowchart showing a third example of the opening/closing control of the automatic valve by the control unit.
  • 6D is a flowchart showing a fourth example of the opening/closing control of the automatic valve by the control unit.
  • 6E is a flowchart showing a fifth example of the opening/closing control of the automatic valve by the control unit.
  • FIG. 7 is a side sectional view schematically showing one example of a conventional drinking water supply device.
  • FIG. 8 is a perspective view schematically showing one example of a refrigerator including a conventional drinking water supply device.
  • FIG. 7 is a side cross-sectional view schematically showing one example of a conventional drinking water supply device 102 .
  • FIG. 8 is a perspective view schematically showing one example of a refrigerator 170 including a conventional drinking water supply device 102. As shown in FIG. First, with reference to FIGS. 7 and 8 , problems with the conventional drinking water supply device 102 and the refrigerator 170 including the conventional drinking water supply device 102 are briefly described.
  • sterilized drinking water is sealed in a water tank serving as a water source, and is in a state where it can be stored for a long time.
  • the water in the water tank does not contain chlorine or the like, if the water leaves the water tank and remains in the water circuit of the cold water tank 112A or the warm water tank 114 for a long time, a hygiene problem may arise.
  • the water stored in the water storage pipe 112 is cooled at a lower internal temperature.
  • the solenoid valve 136 is opened, the water in the water storage pipe 112 flows out of the dispenser through the water purification filter 134 .
  • the water in the water circuit Before passing through the water purification filter 136, the water in the water circuit is chlorinated like tap water and maintains sterilizing power. However, after passing through the water purification filter 136, the sterilization power of the water in the water circuit is weak, which may cause a hygienic problem.
  • the drinking water supply device 2 and the refrigerator 70 including the drinking water supply device 2 have the following structures.
  • FIG. 1 is a diagram schematically showing a drinking water supply device 2 according to a first embodiment of the present invention.
  • the drinking water supply device 2 of the first embodiment includes a dispenser 4 that performs water discharge and water stop based on a user's operation, a water circuit 10 connected between a water source and a dispenser receiving portion 20 . Between the dispensers 4 , the dispenser receiving portion 20 receives the water discharged from the dispensers 4 .
  • the portion surrounded by the dotted line shows the main body 2A of the drinking water supply device 2, and each member is arranged in the casing. It also includes a drain evaporating dish 40 and a drain pipe 30 , the upper surface of which is open, and the drain pipe 30 guides water in the water circuit 10 or in the distributor receiving portion 20 to the drain evaporating dish 40 .
  • the water source there may be a case where tap water is supplied by being connected to a water pipe, or a case where a water tank containing drinking water is installed and the water in the water tank is supplied by gravity or the like.
  • the drinking water to be supplied is not limited to pure water, but also includes any drinking water including tea and fruit juice.
  • the water circuit 10 is mainly composed of a water storage pipe 12 , a warm water tank 14 , a piping 16 and a three-way valve 18 .
  • Water from the water source is supplied to the water storage pipe 12 and the warm water tank 14 via the piping 16 and the three-way valve 18 .
  • the water stored in the water storage pipe 12 is cooled to become cold water, and the water stored in the warm water tank 14 is heated to become warm water.
  • the temperature of warm water may range from around 40°C to close to 100°C (hot water).
  • the distributor 4 Through the operation of the distributor 4, the cold water in the water storage pipe 12 or the warm water in the warm water tank 14 is discharged.
  • the dispenser 4 there is exemplified a dispenser including a switching valve having a lever for switching water out and out of water for each of cold water and warm water.
  • a switching valve having a lever for switching water out and out of water for each of cold water and warm water.
  • the dispenser 4 including a mixing faucet capable of mixing cold water, warm water and discharge water through one lever, or any other structure known.
  • a slit is provided on the upper surface portion on which the cup or the like is placed, and the water discharged from the dispenser 4 that is not received by the cup or the like can pass through the slit and be accumulated in the dispenser receiving portion. bottom of section 20.
  • one end of the drain pipe 30 is connected to the dispenser receiving part 20 , and the other end of the drain pipe 30 is connected to the drain evaporating dish 40 .
  • the water accumulated in the dispenser receiving portion 20 without being received by the cup or the like is discharged to the drain pan 40 via the drain pipe 30 .
  • a metal pipe such as an aluminum pipe or a resin pipe can be used.
  • the upper surface of the drain evaporating dish 40 is greatly opened, so that the accumulated water is easily evaporated. Furthermore, by disposing the drain pan 40 in a place that is hard for the user to see, it is possible to suppress the user's anxiety about hygiene.
  • the drinking water supply device 2 capable of suppressing the occurrence of sanitation problems in the water after being discharged from the dispenser 4 .
  • FIG. 2 is a diagram schematically showing a drinking water supply device 2 according to a second embodiment of the present invention.
  • the difference from the first embodiment described above is that the drain pipe 30 is connected to the water circuit 10 instead of the dispenser receiver 20 .
  • the other configurations of this embodiment are basically the same as those of the above-described first embodiment.
  • an automatic valve 50 is attached to the piping 16 on the downstream side of the water storage pipe 12 or the warm water tank 14 and in the vicinity of the distributor 4 .
  • the drain pipe 30 is connected via the automatic valve 50 .
  • the automatic valve 50 is controlled to open or close by a control portion 52 that is electrically connected to a driving portion (eg, a solenoid) of the automatic valve 50 , and is basically controlled to be in a closed state.
  • a driving portion eg, a solenoid
  • the water in the water circuit 10 can be made to flow to the drain pipe 30 by controlling the automatic valve 50 from closed to open.
  • the water flowing to the drain pipe 30 is drained to the drain pan 40 .
  • the dispenser 4 when the dispenser 4 does not operate for a long time and water is accumulated in the water circuit 10 for a long time, the water in the water circuit 10 can be discharged to the drain evaporating dish 40 by controlling the automatic valve 50 from closing to opening.
  • a drinking water supply device 2 capable of suppressing the occurrence of hygienic problems with water before the water is discharged from the dispenser.
  • the control of opening/closing of the automatic valve 50 will be described in detail later.
  • FIG. 3 is a diagram schematically showing a drinking water supply device 2 according to a third embodiment of the present invention.
  • the difference from the above-mentioned second embodiment is that a liquid level sensor 60 is also arranged in the drain evaporating dish 40 .
  • the liquid level sensor 60 is connected to the sensor control section 62 .
  • the other configurations of the present embodiment are basically the same as those of the second embodiment described above.
  • the automatic valve 50 is opened and the water in the water circuit 10 is drained to the drain pan 40 when a large amount of water is accumulated in the drain pan 40, the water in the drain pan 40 may overflow.
  • the automatic valve 50 is switched from closed to open, and the water in the water circuit 10 is discharged to the drain evaporating dish 40. Thereby, it is possible to prevent the occurrence of the problem that the water in the drain evaporating dish 40 overflows.
  • FIG. 4A is a perspective view showing an example of the arrangement of the drain pipe 30 when the drinking water supply device 2 of the first embodiment is arranged in the refrigerator 70 .
  • FIG. 4B is an enlarged perspective view showing the periphery of the dispenser receiving portion 20 of FIG. 4A .
  • 5A is a perspective view showing another example of the arrangement of the drain pipe 30 when the drinking water supply device 2 of the first embodiment is arranged in the refrigerator 70 .
  • FIG. 5B is an enlarged perspective view showing the periphery of the drainage evaporating dish 40 in the refrigerator 70 of FIG. 5A .
  • the drinking water supply device 2 is arranged at an intermediate position in the height direction of the front surface of the refrigerator 70 .
  • One end of the drain pipe 30 is connected to the dispenser receiver 20 of the drinking water supply device 2 , extending from the front side to the rear side of the refrigerator 70 and further to the lower side to reach the machine room 72 .
  • an evaporating dish of the refrigerator is arranged for evaporating water generated when defrosting the evaporator is performed.
  • the other end of the drain pipe 30 is connected to the evaporating dish of the refrigerator 70 , and the evaporating dish of the refrigerator 70 is used as the drainage evaporating dish 40 .
  • the branch pipe 20A is attached to the lower part of the distributor receiving part 20 , and the water accumulated at the bottom of the distributor receiving part 20 flows out from the branch pipe 20A and flows into one end of the drain pipe 30 having a funnel-shaped opening.
  • the water flowing in from one end of the drain pipe 30 flows in the drain pipe 30 and flows into the drain evaporating dish (evaporating dish of the refrigerator) 40 from the other end.
  • the drinking water supply device 2 is also arranged at an intermediate position in the height direction of the front surface of the refrigerator 70 and serves as the refrigerator 70 of the drain pan 40
  • the evaporating dish is also arranged in the machine room 72 .
  • the drinking water supply device 2 is attached to the opening and closing door.
  • a drain pipe 30 (one end of which is connected to the dispenser receiving portion 20 of the drinking water supply device 2) is inside the door of the refrigerator 70, extending from top to bottom, through a hose corresponding to the opening and closing of the door, inside the refrigerator 70 , which extends from the front side to the rear side, and is connected to the drain evaporating dish (evaporating dish of the refrigerator) 40 in the machine room 72 .
  • the drain pipe 30 can also be passed through the hinge portion of the door.
  • the drain evaporating dish (evaporating dish of a refrigerator) 40 is arranged adjacent to the compressor 74 or the condenser 76 in the machine room 72, it is at a higher temperature. Therefore, the water discharged from the drinking water supply device 2 to the drain evaporating dish (evaporating dish of the refrigerator) 40 can be evaporated in a relatively short time.
  • 4A, 4B, 5A and 5B show the case where the drain pipe 30 is connected to the dispenser receiver 20, but even if the drain pipe 30 is connected to the water circuit 10, the arrangement is basically the same.
  • FIG. 6A is a flowchart showing a first example of the opening/closing control of the automatic valve 50 by the control unit 52 .
  • control processing is performed as follows: when a predetermined standby time T1 elapses, the automatic valve 50 is switched from closed to open, and after that, when a predetermined time T2 elapses, the automatic valve 50 is switched from open to closed .
  • the timer 1 is started (step S2 ), and then it is determined whether or not the standby time T1 has elapsed (step S4 ). In this judgment, if it is determined by judgment that the standby time T1 has not elapsed (NO), the subroutine ends. This subroutine is started at predetermined intervals, and if it is determined in the judgment of step S4 that the standby time T1 has elapsed (Yes), a signal is sent to the automatic valve 50 to perform control processing for switching the automatic valve 50 from closed to open ( Step S6). Thereby, the water in the water circuit 10 is drained to the drain pan 40 via the drain pipe 30 .
  • step S8 the timer 2 is started (step S8), and then it is determined whether or not the time T2 has elapsed (step S10). In this judgment, if it is determined by the judgment that the time T2 has not elapsed (NO), the judgment is repeated. That is, the automatic valve 50 maintains the open state until the time T2 elapses. In the determination of step S10, if it is confirmed that the time T2 has elapsed (YES), a signal is sent to the automatic valve 50 to perform a control process for switching the automatic valve 50 from open to closed (step S12), and this subroutine is terminated. Thereby, the flow of the water discharged from the water circuit 10 to the drain pan 40 is stopped.
  • the time T2 is preferably determined in consideration of the balance between the viewpoint of water consumption and the viewpoint of hygiene, and the time T2 is the time when the water in the water circuit 10 is discharged. Taking this into consideration, as the time T2, 5 seconds to 20 seconds can be exemplified.
  • the values of the times T1 and T2 are not limited to these, and other arbitrary times can be set according to the application.
  • the automatic valve 50 can be switched from closed to open every time the predetermined standby time T1 elapses, and the water in the water circuit 10 can be drained to the drain pan 40 via the drain pipe 30 . Thereby, since the water in the water circuit 10 can be drained regularly, it can suppress that the hygienic problem of the water supplied from the distributor 4 arises.
  • FIG. 6B is a flowchart showing a second example of the opening/closing control of the automatic valve 50 by the control unit 52 .
  • the automatic valve opening is performed when the dispenser 4 is in the closed state for the predetermined water cutoff time T3. 50 control process.
  • step S20 when the dispenser 4 is switched from on to off (step S20 ), the timer 3 is started (step S22 ), and then it is determined whether or not the water cutoff time T3 has elapsed (step S24 ). In this judgment, if it is determined by judgment that the water stop time T3 has not elapsed (NO), this subroutine is ended. This subroutine is started at predetermined intervals, and if it is determined in the judgment in step S24 that the water cutoff time T3 has elapsed (Yes), a signal is sent to the automatic valve 50 to perform control processing for switching the automatic valve 50 from closed to open (step S26). Thereby, the water in the water circuit 10 is drained to the drain pan 40 via the drain pipe 30 . As the water stoppage time T3, 1 hour to 12 hours can be exemplified, but it is not limited to this.
  • steps S28 to S32 for switching the automatic valve 50 from open to closed is the same as the control processing of steps S8 to S12 of FIG. 6A , and therefore detailed descriptions are omitted.
  • the automatic valve 50 is switched from closed to open, and the water in the water circuit 10 is discharged through the drain pipe 30 to the Drain evaporating dish 40.
  • the dispenser 4 is in the water-stop state for a long time, and the water stays in the water circuit 10 for a long time. Therefore, it can suppress that the hygienic problem of the water supplied from the dispenser 4 arises.
  • FIG. 6C is a flowchart showing a third example of the opening/closing control of the automatic valve 50 by the control unit 52 .
  • the control process in the case where the drinking water supply device 2 is arranged in the refrigerator 70 and the evaporating dish of the refrigerator 70 is used as the drain evaporating dish 40 is shown.
  • the dispenser 4 is in the closed state for the predetermined water cutoff time T3 as in the second example, and the predetermined time has elapsed since the previous defrosting of the evaporator of the refrigerator 70 At T4, a control process for opening the automatic valve 50 is performed.
  • steps S40 to S44 for judging whether or not the water stop time T3 has elapsed when the dispenser 4 is closed is the same as the control processing of steps S20 to S24 in FIG. 6B , and therefore detailed descriptions are omitted. Then, when it is determined in the determination of step S44 that the water stop time T3 has elapsed (Yes), it is further determined whether or not a predetermined time T4 has elapsed since the previous defrosting (step S46 ). In this judgment, if it is determined that the time T4 has not elapsed (NO), this subroutine is ended.
  • This subroutine is started at predetermined intervals, and if it is determined in the judgment of step S46 that the time T4 has elapsed (YES), a signal is sent to the automatic valve 50 to perform control processing for switching the automatic valve 50 from closed to open (step S46 ). S48). Thereby, the water in the water circuit 10 is drained to the drain pan 40 via the drain pipe 30.
  • T4 1 hour to 12 hours can be exemplified, but it is not limited to this.
  • steps S50 to S54 for switching the automatic valve 50 from open to closed is the same as the control processing of steps S8 to S12 of FIG. 6A , and therefore detailed descriptions are omitted.
  • the automatic valve 50 is switched from closed to open, and the water in the water circuit 10 is discharged to the drainage evaporating dish 40 through the drainage pipe 30 .
  • the control process for switching the automatic valve 50 from closed to open is performed when two conditions are satisfied, the two conditions being: when the dispenser 4 is in the water-off state after the predetermined water-off time T3 conditions, and a condition that a predetermined time T4 has elapsed from the end of the defrosting process of the evaporator of the refrigerator 70 .
  • the control process of switching the automatic valve 50 from closed to open can also be performed.
  • the melted water may flow into the drain evaporating dish (evaporating dish of the refrigerator) 40, and the liquid level of the drain evaporating dish (evaporating dish of the refrigerator) 40 may rise.
  • the predetermined time T4 has elapsed from the end of the defrosting process, it is considered that the liquid level is lowered due to evaporation or the like. Therefore, even if the water in the water circuit 10 is drained, it is possible to prevent the drain pan (evaporator pan of the refrigerator). )40 overflows.
  • FIG. 6D is a flowchart showing a fourth example of the opening/closing control of the automatic valve 50 by the control unit 52 .
  • the control process in the case where the liquid level sensor 60 is provided in the drain pan 40 shown in FIG. 3 is shown.
  • the dispenser 4 is in the closed state for the predetermined water stop time T3 as in the second example, and further, the liquid in the evaporating dish 40 is drained based on the signal from the liquid level sensor 60 .
  • the surface height is equal to or less than a predetermined height, control processing for opening the automatic valve 50 is performed.
  • steps S60 to S64 for judging whether or not the water stop time T3 has elapsed while the dispenser 4 is in the closed state is the same as the control processing of steps S20 to S24 in FIG. 6B , and therefore detailed descriptions are omitted.
  • step S66 it is further judged whether the liquid level height of the drainage evaporating dish 40 is within the predetermined height H1 (step S66 ). In this judgment, if it is determined that the liquid level height is higher than the predetermined height H1 (NO), this subroutine is ended. This subroutine is started at predetermined intervals, and if it is determined in the judgment in step S66 that the liquid level of the drain evaporating dish 40 is within the predetermined height H1 (Yes), a signal is sent to the automatic valve 50 to perform the automatic valve operation. 50 is a control process of switching from off to on (step S68). Thereby, the water in the water circuit 10 is drained to the drain pan 40 via the drain pipe 30 .
  • height H1 a value equal to or less than 1/5 of the height of the drain pan 40 can be exemplified, but is not limited to this. Height H1 may also be zero.
  • steps S70 to S74 for switching the automatic valve 50 from open to closed is the same as the control processing of steps S8 to S12 of FIG. 6A , and therefore detailed descriptions are omitted.
  • the dispenser 4 when the dispenser 4 is in the water-off state, the predetermined water-off time T3 has elapsed, and when the liquid level of the drain evaporating dish 40 is within the predetermined height H1, the automatic valve 50 It is switched from off to on, and the water in the water circuit 10 is drained to the drain pan 40 via the drain pipe 30 .
  • the control process for switching the automatic valve 50 from closed to open is performed when two conditions are satisfied: the condition that the predetermined time T3 elapses when the dispenser 4 is in the water-off state, the And the condition that the liquid level height of the drain evaporating dish 40 is within the predetermined height H1.
  • the control process of switching the automatic valve 50 from closed to open can also be performed.
  • the automatic valve 50 When it is determined based on the signal from the liquid level sensor 60 that the liquid level of the drain evaporating dish 40 is within the predetermined height H1 , the automatic valve 50 is switched from closed to open, and the water in the water circuit 10 is drained through the drain pipe 30 to drain evaporating dish 40. Thereby, it is possible to prevent the occurrence of the problem that the water in the drain pan 40 overflows.
  • FIG. 6E is a flowchart showing a fifth example of the opening/closing control of the automatic valve 50 by the control unit.
  • the evaporating dish of the refrigerator 70 is used as the drainage evaporating dish 40, and the liquid level sensor 60 is provided in the drainage evaporating dish 40 is shown.
  • Control processing in this example, as in the second example, when the dispenser 4 is in the closed state for the predetermined water stop time T3, and, as in the fourth example, the liquid level of the drain pan 40 is a predetermined height After H1, further, as in the third example, when the predetermined time T4 has elapsed since the previous defrosting of the evaporator of the refrigerator 70, the control process of opening the automatic valve 50 is performed.
  • control processes shown in steps S80 to S96 of FIG. 6E are the same as the above-described respective control processes, and therefore, further detailed descriptions are omitted.
  • the occurrence of hygienic problems in the water supplied from the dispenser 4 can be reliably suppressed without overflowing the water in the drain pan 40 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

提供了一种饮用水供应装置和包括该饮用水供应装置的冰箱，其能够抑制从分配器排出之前或排出之后的水产生卫生问题。提供了饮用水供应装置(2)和包括饮用水供应装置(2)的冰箱，所述饮用水供应装置(2)包括：分配器(4)，基于用户的操作来进行出水和停水；水回路(10)，连接水源和分配器(4)之间；分配器接收部(20)，接收从分配器(4)排出的水；排水蒸发皿(40)，上表面开口；以及排水管(30)，将水回路(10)内或分配器接收部(20)内的水引导至排水蒸发皿(40)。

Description

饮用水供应装置和包括饮用水供应装置的冰箱 技术领域
本发明涉及一种通过分配器供应饮用水的饮用水供应装置和包括该饮用水供应装置的冰箱。
背景技术
存在一种冰箱，所述冰箱包括用户操作分配器而被供应饮用水的饮用水供应装置。其中，在过滤器的上游侧配置有冷水箱，用户操作分配器，由此，冷水箱中积存的冷水流经过滤器而被供应给分配器(例如，参照专利文献1：日本特开2010-96410号公报)。
发明内容
发明要解决的问题
在专利文献1中记载的饮用水供应装置中，由于存储在冷水箱中的自来水含有氯，所以抑制了细菌等的生长。然而，通过过滤器后的水中的氯会被去除，因此，当未从分配器中排出而留在水回路内的水被长时间保持时，可能会产生卫生问题。此外，在从分配器排出的水未被杯子等接收而积存在分配器接收部中的情况下，也可能会产生卫生问题。
因此，本发明的目的在于解决上述问题，提供一种饮用水供应装置和包括该饮用水供应装置的冰箱，其能够抑制从分配器排出之前或排出之后的水产生卫生问题。
用于解决问题的方案
本发明的饮用水供应装置的特征在于，包括：
分配器，基于用户的操作来进行出水和停水；
水回路，连接在水源和所述分配器之间；
分配器接收部，接收从所述分配器排出的水；
排水蒸发皿，上表面开口；以及
排水管，将所述水回路内或所述分配器接收部内的水引导至所述排水蒸发皿。
根据本发明，能够利用排水管将水回路内的水或分配器接收部内的水排出到排水蒸发皿，因此，能够通过上表面开口的排水蒸发皿来蒸发并处理所排出的水。由此，能够防止从分配器排出之前或排出之后的水变为长时间积存的状态，因此，能 够抑制产生卫生问题。
此外，本发明的饮用水供应装置的特征在于，还包括：
自动阀，进行所述水回路和所述排水管之间的打开和关闭；以及
控制部，进行所述自动阀的打开和关闭的控制，
所述控制部将所述自动阀控制为常闭状态，当判别为满足至少一个排出条件时，进行如下的控制：将所述自动阀从关闭切换为打开，以经由所述排水管将所述水回路内的水排出到所述排水蒸发皿，在经过预定的排出时间后，返回为关闭，
在所述排出条件中，包括经过了预定的待机时间。
根据本发明，包括能够对水回路内的水进行排出的自动阀，每经过预定的待机时间，能够将自动阀从关闭切换为打开，以经由排水管将水回路内的水排出到排水蒸发皿。由此，能够定期地排出水回路内的水，因此，能够抑制从分配器供应的水产生卫生问题。
此外，本发明的饮用水供应装置的特征在于，在所述排出条件中，包括在所述分配器处于停水状态下经过了预定的停水时间。
根据本发明，在分配器处于停水状态下经过了预定的停水时间时，能够将自动阀从关闭切换为打开，以经由排水管将水回路内的水排出到排水蒸发皿。由此，能够防止分配器停水状态长时间持续，而水长时间地滞留在水回路内，因此，能够抑制从分配器供应的水产生卫生问题。
此外，本发明的饮用水供应装置的特征在于，
还包括液位传感器，所述液位传感器检测所述排水蒸发皿中的液面高度，
在所述排出条件中，包括基于来自所述液位传感器的信号而判别为所述排水蒸发皿的液面高度在预定的高度以内。
根据本发明，当基于来自液位传感器的信号而判别为排水蒸发皿的液面高度在预定的高度以内时，将自动阀从关闭切换为打开，以经由排水管将水回路内的水排出到排水蒸发皿。由此，能够防止排水蒸发皿的水溢出这样的问题于未然。液面高度在预定的高度以内也包括排水蒸发皿为空的情况。
此外，本发明的饮用水供应装置的特征在于，水回路包括储水管、温水箱、配管和三通阀；来自水源的水经由所述配管和三通阀供应给储水管和温水箱。
此外，本发明的饮用水供应装置的特征在于，所述切换阀包括针对冷水和温水中的每一个来切换出水和停水的杠杆。
此外，本发明的饮用水供应装置的特征在于，在所述分配器接收部上表面设置 有狭缝，从所述分配器排出的水中的、未被杯子等接收的水通过狭缝积存在所述分配器接收部的底部。
此外，本发明的饮用水供应装置的特征在于，所述饮用水供应装置还包括自动阀，所述自动阀用于进行所述水回路和所述排水管之间的打开和关闭；所述自动阀安装在水回路中的储水管或温水箱的下游侧的配管上并靠近所述分配器。
此外，本发明的饮用水供应装置的特征在于，所述排水管的一端连接到分配器接收部，另一端连接到排水蒸发皿。
本发明的冰箱的特征在于，包括：
上述的饮用水供应装置；以及
蒸发皿，用作所述排水蒸发皿，积存由除霜产生的水，
在所述排出条件中，包括从蒸发器的除霜处理结束时起经过了预定的时间。
根据本发明，当从蒸发器的除霜处理结束时起经过了预定的时间时，将自动阀从关闭切换为打开，以经由排水管将水回路内的水排出到排水蒸发皿。在进行了蒸发器的除霜处理的情况下，融化的水可能会流入蒸发皿内，蒸发皿的液面高度可能会升高。但是，在从除霜处理结束时起经过了预定的时间的情况下，认为液面高度由于蒸发等而下降，因此，即使将水回路内的水排出，也能够防止蒸发皿溢出。
发明效果
如上所述，在本发明中，能够提供一种饮用水供应装置和包括该饮用水供应装置的冰箱，其能够抑制从分配器排出之前或排出之后的水产生卫生问题。
附图说明
图1是示意性地示出本发明第一实施例的饮用水供应装置的图。
图2是示意性地示出本发明第二实施例的饮用水供应装置的图。
图3是示意性地示出本发明第三实施例的饮用水供应装置的图。
图4A是示出第一实施例的饮用水供应装置配置在冰箱中的情况下的排水管的配置的一个示例的立体图。
图4B是对图4A的分配器接收部周围进行放大示出的立体图。
图5A是示出第一实施例的饮用水供应装置配置在冰箱中的情况下的排水管的配置的另一示例的立体图。
图5B是对图5A的冰箱中的排水蒸发皿周围进行放大示出的立体图。
图6A是示出由控制部对自动阀的打开/关闭控制的第一例的流程图。
图6B是示出由控制部对自动阀的打开/关闭控制的第二例的流程图。
图6C是示出由控制部对自动阀的打开/关闭控制的第三例的流程图。
图6D是示出由控制部对自动阀的打开/关闭控制的第四例的流程图。
图6E是示出由控制部对自动阀的打开/关闭控制的第五例的流程图。
图7是示意性地示出常规饮用水供应装置的一个示例的侧剖视图。
图8是示意性地示出包括常规饮用水供应装置的冰箱的一个示例的立体图。
具体实施方式
以下，参照附图来说明用于实施本发明的实施例。此外，以下说明的冰箱是为了体现本发明的技术思想，只要没有特定记载，则不将本发明限于以下内容。在各图中，存在对具有相同功能的构件标注相同附图标记的情况。虽然有时考虑到要点的说明或理解的容易性，为了方便而分开示出了实施方式或实施例，但是，在不同实施方式、实施例中示出的结构的部分置换或组合是可能的。为了使说明变得明确，有时也夸张地示出了各图示出的构件的大小或位置关系等。
(常规的饮用水供应装置、包括常规的饮用水供应装置的冰箱)
图7是示意性地示出常规饮用水供应装置102的一个示例的侧剖视图。图8是示意性地示出包括常规饮用水供应装置102的冰箱170的一个示例的立体图。首先，参照图7和图8，简要地叙述常规饮用水供应装置102和包括常规饮用水供应装置102的冰箱170所具有的问题。
如图7所示，在常规的饮用水供应装置102中，经灭菌的饮用水被密封在作为水源的水箱中，处于可长时间保管的状态。然而，由于水箱内的水中不含氯等，所以如果水离开水箱后，长时间留在冷水箱112A或温水箱114等的水回路内，则可能产生卫生问题。
在图8所示的包括常规饮用水供应装置102的冰箱170中，水从作为水源的水管经由截止阀138进入冰箱内，并储存在储水管112中。储存在储水管112中的水在较低的内部温度下被冷却。当打开电磁阀136时，储水管112内的水通过净水过滤器134从分配器出水。
在通过净水过滤器136之前，水回路内的水像自来水一样被氯化并保持杀菌力。然而，在通过净水过滤器136之后，水回路内的水的杀菌力较弱，可能会产生卫生问题。
此外，还有一些人在感情上不愿意将曾经从自来水管中排出的水长时间留在冰 箱内。同样，如果从分配器104排出的水长时间留在接收其的分配器接收部中，则也可能使滞留的水产生卫生问题。
为了解决上述那样的从分配器104排出之前或排出之后的水的卫生问题，本发明的各实施例的饮用水供应装置2和包括该饮用水供应装置2的冰箱70具有如下那样的构造。
(第一实施例的饮用水供应装置)
图1是示意性地示出本发明第一实施例的饮用水供应装置2的图。第一实施例的饮用水供应装置2包括分配器4、水回路10和分配器接收部20，所述分配器4基于用户的操作来进行出水和停水，所述水回路10连接在水源和分配器4之间，所述分配器接收部20接收从分配器4排出的水。由虚线包围的部分示出了饮用水供应装置2的主体2A，各构件配置在壳体内。还包括排水蒸发皿40和排水管30，所述排水蒸发皿40上表面开口，所述排水管30将水回路10内或分配器接收部20内的水引导至排水蒸发皿40。
作为水源，既可能存在与水管连接而供应自来水的情况，也可能存在装配有装入饮用水的水箱并且通过重力等而供应水箱内的水的情况。作为所供应的饮用水，不限于纯水，还包括包含茶、果汁的任意饮用水。
水回路10主要由储水管12、温水箱14、配管16和三通阀18组成。来自水源的水经由配管16和三通阀18供应给储水管12和温水箱14。储存在储水管12中的水被冷却而成为冷水，储存在温水箱14中的水被加热而成为温水。温水的温度可能从40℃左右到接近100℃(热水)。通过分配器4的操作，储水管12内的冷水或温水箱14内的温水被排出。
作为分配器4，例示了包括切换阀的分配器，该切换阀具有针对冷水和温水中的每一个来切换出水和停水的杠杆。然而，不限于此，能够采用包括混合龙头的情况或者已知的任何其他结构的分配器4，所述混合龙头能够通过一个杠杆来混合冷水、温水并出水。
在分配器接收部20中，例如，在放置杯子等的上表面部，设置有狭缝，从分配器4排出的水中的、未被杯子等接收的水能够通过狭缝而积存在分配器接收部20的底部。
如果这种水长时间积存在分配器接收部20中，则可能会产生卫生问题。特别地，当用户看到水长时间积存在用于将水倒入杯子等中的分配器4周围的状态时，用户可能会感到不安。
在本实施例中，排水管30的一端连接到分配器接收部20，排水管30的另一端连接到排水蒸发皿40。由此，未被杯子等接收而积存在分配器接收部20中的水经由排水管30排出到排水蒸发皿40。作为排水管30，既能够使用铝管等金属管，也能够使用树脂管。
排水蒸发皿40的上表面较大地开口，使得积存的水容易蒸发。此外，通过将排水蒸发皿40设置在用户难以看到的地方，能够抑制用户具有卫生不安。
如上所述，在本实施例中，能够提供一种饮用水供应装置2，其能够抑制从分配器4排出之后的水产生卫生问题。
(第二实施例的饮用水供应装置)
图2是示意性地示出本发明第二实施例的饮用水供应装置2的图。在第二实施例中，与上述第一实施例的不同之处在于，排水管30连接到水回路10而不是分配器接收部20。本实施例的其他构造与上述第一实施例基本相同。
如图2所示，在水回路10中的、储水管12或温水箱14的下游侧的配管16且为分配器4附近的地方，安装自动阀50。排水管30经由该自动阀50被连接。自动阀50由控制部52控制而打开或关闭，并且基本上被控制为关闭状态，所述控制部52与自动阀50的驱动部(例如，螺线管)电连接。当满足预定的条件时，通过控制自动阀50从关闭到打开，能够使水回路10内的水流到排水管30。流到排水管30的水被排出到排水蒸发皿40。
例如，当分配器4长时间不操作，水长时间积存在水回路10内时，通过控制自动阀50从关闭到打开，能够将水回路10内的水排出到排水蒸发皿40。
由此，在本实施例中，能够提供一种饮用水供应装置2，其能够在水从分配器排出之前，抑制水产生卫生问题。稍后详细叙述自动阀50的打开/关闭的控制。
(第三实施例的饮用水供应装置)
图3是示意性地示出本发明第三实施例的饮用水供应装置2的图。在第三实施例中，与上述第二实施例的不同之处在于，还在排水蒸发皿40中配置了液位传感器60。液位传感器60连接到传感器控制部62。本实施例的其他构造与上述第二实施例基本相同。
如果在大量的水积存在排水蒸发皿40中时打开自动阀50，并将水回路10中的水排放到排水蒸发皿40，则排水蒸发皿40中的水可能会溢出。当基于液位传感器60的信号而确定排水蒸发皿40为空、或液位高度在预定的高度内时，使自动阀50从关闭切换为打开，将水回路10内的水排出到排水蒸发皿40。由此，能够防止出现 排水蒸发皿40的水溢出的问题。
(包括饮用水供应装置的冰箱)
上述各实施例的饮用水供应装置2不仅能够作为独立的饮用水供应装置存在，而且能够配置在冰箱中。图4A是示出第一实施例的饮用水供应装置2配置在冰箱70中的情况下的排水管30的配置的一个示例的立体图。图4B是对图4A的分配器接收部20周围进行放大示出的立体图。图5A是示出第一实施例的饮用水供应装置2配置在冰箱70中的情况下的排水管30的配置的另一示例的立体图。图5B是对图5A的冰箱70中的排水蒸发皿40周围进行放大示出的立体图。
在图4A所示的包括饮用水供应装置2的冰箱70中，饮用水供应装置2配置在冰箱70的前表面的高度方向上的中间位置处。排水管30从冰箱70的前侧延伸到后侧，并进一步延伸到下侧而到达机器室72，所述排水管30的一端连接到饮用水供应装置2的分配器接收部20。在机器室72中，配置有冰箱的蒸发皿，其用于蒸发在进行蒸发器除霜时产生的水。在本例中，排水管30的另一端与冰箱70的蒸发皿连接，冰箱70的蒸发皿用作排水蒸发皿40。
如图4B所示，支管20A安装到分配器接收部20的下部，分配器接收部20底部所积存的水从支管20A流出，流入到呈漏斗状开口的排水管30的一端。从排水管30的一端流入的水在排水管30内流动，并从另一端流入到排水蒸发皿(冰箱的蒸发皿)40。
在图5A所示的包括饮用水供应装置2的冰箱70中，饮用水供应装置2也被配置在冰箱70的前表面的高度方向上的中间位置处，并且用作排水蒸发皿40的冰箱70的蒸发皿也被配置在机器室72中。在图5A所示的示例中，饮用水供应装置2安装到开闭门。排水管30(其一端连接到饮用水供应装置2的分配器接收部20)在冰箱70的门内，自上而下延伸，经过与门的打开和关闭对应的软管，在冰箱70的内部，从前侧向后侧延伸，而连接到机器室72内的排水蒸发皿(冰箱的蒸发皿)40。为了与门的打开和关闭对应，不仅在排水管30的一部分中使用软管，而且还能够使排水管30穿过门的铰链部。
由于排水蒸发皿(冰箱的蒸发皿)40与机器室72内的压缩机74或冷凝器76邻接配置，所以其处于较高温度下。因此，从饮用水供应装置2排出到排水蒸发皿(冰箱的蒸发皿)40的水能够在比较短的时间内蒸发。
在图4A、图4B、图5A和图5B中示出了排水管30连接到分配器接收部20的情况，但是，即使排水管30连接到水回路10，其排布方式也基本相同。
(自动阀的控制)
接着，使用图6A至图6E所示的流程图，来说明包括图2、图3所示的自动阀50的情况下的由控制部52的控制处理，所述自动阀50进行水回路10和排水管30之间的打开和关闭。任一流程图均示出了从自动阀50为关闭状态的初始状态起的控制，以预定的间隔重复流程图中所示的控制处理。
<打开/关闭控制的第一例>
图6A是示出由控制部52对自动阀50的打开/关闭控制的第一例的流程图。在第一例中，进行如下的控制处理：当经过预定的待机时间T1时，将自动阀50从关闭切换为打开，之后，当经过预定的时间T2时，将自动阀50从打开切换为关闭。
首先，启动定时器1(步骤S2)，接着，判断是否经过了待机时间T1(步骤S4)。在该判断中，如果通过判断确定未经过待机时间T1(否)，则该子例程(subroutine)结束。该子例程以预定的间隔启动，如果在步骤S4的判断中确定经过了待机时间T1(是)，则向自动阀50发送信号，以进行将自动阀50从关闭切换为打开的控制处理(步骤S6)。由此，水回路10内的水经由排水管30排出到排水蒸发皿40。
然后，启动定时器2(步骤S8)，接着，判断是否经过了时间T2(步骤S10)。在该判断中，如果通过判断确定未经过时间T2(否)，则重复该判断。即，自动阀50维持打开状态，直到经过时间T2。在步骤S10的判断中，如果确认经过了时间T2(是)，则向自动阀50发送信号，以进行将自动阀50从打开切换为关闭的控制处理(步骤S12)，结束该子例程。由此，从水回路10内排出到排水蒸发皿40的水的流动停止。
如果上述待机时间T1太短，则会浪费水，如果待机时间T1太长，则产生水回路10内的水的卫生问题的可能性很高。考虑到这一点，作为时间T1，能够例示出1小时到12小时。
时间T2优选考虑耗水的观点和卫生上的观点之间的平衡来确定，所述时间T2为水回路10内的水被排出的时间。考虑到这一点，作为时间T2，能够例示出5秒到20秒。
但是，时间T1、T2的值不限于此，能够根据用途而设定其他任意时间。
如上所述，在第一例中，能够每经过预定的待机时间T1，将自动阀50从关闭切换为打开，经由排水管30将水回路10内的水排出到排水蒸发皿40。由此，由于能够定期地排出水回路10内的水，所以能够抑制产生从分配器4供应的水的卫生问题。
<打开/关闭控制的第二例>
图6B是示出由控制部52对自动阀50的打开/关闭控制的第二例的流程图。在第二例中，不是像第一例那样每经过预定的待机时间T1就打开自动阀50，而是在分配器4为关闭状态持续了预定的停水时间T3的情况下，进行打开自动阀50的控制处理。
首先，当分配器4从打开切换为关闭时(步骤S20)，启动定时器3(步骤S22)，接着，判断是否经过了停水时间T3(步骤S24)。在该判断中，如果通过判断确定未经过停水时间T3(否)，则结束该子例程。该子例程以预定的间隔启动，如果在步骤S24的判断中确定经过了停水时间T3(是)，则向自动阀50发送信号，以进行将自动阀50从关闭切换为打开的控制处理(步骤S26)。由此，水回路10内的水经由排水管30排出到排水蒸发皿40。作为停水时间T3，能够例示出1小时至12小时，但不限于此。
之后的用于将自动阀50从打开切换为关闭的步骤S28至S32的控制处理与图6A的步骤S8至S12的控制处理相同，因此，省略详细说明。
如上所述，在第二例中，在分配器4处于停水状态下经过了预定的停水时间T3时，自动阀50从关闭切换为打开，水回路10内的水经由排水管30排出到排水蒸发皿40。由此，能够防止分配器4处于停水状态长时间持续，而水长时间滞留在水回路10内，因此，能够抑制产生从分配器4供应的水的卫生问题。
<打开/关闭控制的第三例>
图6C是示出由控制部52对自动阀50的打开/关闭控制的第三例的流程图。在第三例中，示出了饮用水供应装置2配置在冰箱70中并且将冰箱70的蒸发皿用作排水蒸发皿40的情况下的控制处理。在本例中，如第二例那样在分配器4为关闭状态持续了预定的停水时间T3的情况下，此外，当从冰箱70的蒸发器的前次的除霜起经过了预定的时间T4时，进行打开自动阀50的控制处理。
用于判断在分配器4为关闭状态下是否经过了停水时间T3的步骤S40至S44的控制处理与图6B的步骤S20至S24的控制处理相同，因此，省略详细说明。然后，当在步骤S44的判断中，确定经过了停水时间T3(是)时，进一步判断从前次的除霜起是否经过了预定的时间T4(步骤S46)。在该判断中，如果确定未经过时间T4(否)，则结束该子例程。该子例程以预定的间隔启动，如果在步骤S46的判断中确定经过了时间T4(是)，则向自动阀50发送信号，以进行将自动阀50从关闭切换为打开的控制处理(步骤S48)。由此，水回路10内的水经由排水管30排出到排 水蒸发皿40。作为时间T4，能够例示出1小时至12小时，但不限于此。
之后的用于将自动阀50从打开切换为关闭的步骤S50至S54的控制处理与图6A的步骤S8至S12的控制处理相同，因此，省略详细说明。
如上所述，在第三例中，在分配器4为停水状态下经过预定的停水时间T3，此外，当从冰箱70的蒸发器的除霜处理结束时起经过了预定的时间T4时，将自动阀50从关闭切换为打开，经由排水管30将水回路10内的水排出到排水蒸发皿40。
在本例中，当满足两个条件时，进行将自动阀50从关闭切换为打开的控制处理，所述两个条件是：在分配器4为停水状态下经过预定的停水时间T3的条件、以及从冰箱70的蒸发器的除霜处理结束时起经过预定的时间T4的条件。然而，不限于此，如果满足上述两个条件中的至少一个条件，则也能够进行将自动阀50从关闭切换为打开的控制处理。
当进行蒸发器的除霜处理时，融化的水可能会流入排水蒸发皿(冰箱的蒸发皿)40内，排水蒸发皿(冰箱的蒸发皿)40的液面高度会升高。然而，当从除霜处理结束时起经过了预定的时间T4时，认为液面高度由于蒸发等而下降，因此，即使排出水回路10内的水，也能够防止排水蒸发皿(冰箱的蒸发皿)40溢出。
<打开/关闭控制的第四例>
图6D是示出由控制部52对自动阀50的打开/关闭控制的第四例的流程图。在第四例中，示出了在如图3所示的排水蒸发皿40中设置了液位传感器60的情况下的控制处理。在本例中，如第二例那样在分配器4为关闭状态持续了预定的停水时间T3的情况下，此外，进一步地，在基于来自液位传感器60的信号而排水蒸发皿40的液面高度为预定的高度以下的情况下，进行打开自动阀50的控制处理。
用于判断在分配器4为关闭状态下是否经过停水时间T3的步骤S60至S64的控制处理与图6B的步骤S20至S24的控制处理相同，因此，省略详细说明。
然后，当在步骤S64的判断中，确定经过了停水时间T3时(是)，进一步判断排水蒸发皿40的液面高度是否在预定的高度H1以内(步骤S66)。在该判断中，如果确定液面高度高于预定的高度H1(否)，则结束该子例程。该子例程以预定的间隔启动，如果在步骤S66的判断中，确定排水蒸发皿40的液面高度在预定的高度H1以内(是)，则向自动阀50发送信号，以进行将自动阀50从关闭切换为打开的控制处理(步骤S68)。由此，水回路10内的水经由排水管30排出到排水蒸发皿40。
作为高度H1，能够例示出排水蒸发皿40的高度的1/5以下的值，但不限于此。高度H1也可能为零。
之后的用于将自动阀50从打开切换为关闭的步骤S70至S74的控制处理与图6A的步骤S8至S12的控制处理相同，因此，省略详细说明。
如上所述，在第四例中，在分配器4为停水状态下经过预定的停水时间T3，此外，当排水蒸发皿40的液面高度为预定的高度H1以内时，将自动阀50从关闭切换为打开，经由排水管30将水回路10内的水排出到排水蒸发皿40。
在本例中，当满足两个条件时，进行将自动阀50从关闭切换为打开的控制处理，所述两个条件是：在分配器4为停水状态下经过预定的时间T3的条件、以及排水蒸发皿40的液面高度为预定的高度H1以内的条件。然而，不限于此，如果满足上述两个条件中的至少一个条件，则也能够进行将自动阀50从关闭切换为打开的控制处理。
当基于来自液位传感器60的信号而判别为排水蒸发皿40的液面高度在预定的高度H1以内时，将自动阀50从关闭切换为打开，经由排水管30将水回路10内的水排出到排水蒸发皿40。由此，能够防止出现排水蒸发皿40的水溢出的问题。
<打开/关闭控制的第五例>
图6E是示出由控制部对自动阀50的打开/关闭控制的第五例的流程图。
在第五例中，示出了饮用水供应装置2配置在冰箱70中、将冰箱70的蒸发皿用作排水蒸发皿40、并在排水蒸发皿40中设置了液位传感器60的情况下的控制处理。在本例中，如第二例那样，在分配器4为关闭状态持续了预定的停水时间T3的情况下，此外，如第四例那样，排水蒸发皿40的液面高度为预定的高度H1以下，进一步地，如第三例那样，从冰箱70的蒸发器的前次的除霜起经过了预定的时间T4的情况下，进行打开自动阀50的控制处理。
图6E的步骤S80至S96中所示的控制处理与上述各控制处理相同，因此，省略进一步的详细说明。在本例中，能够在排水蒸发皿40的水不会溢出的情况下，可靠地抑制产生从分配器4供应的水的卫生问题。
虽然已经说明了本发明的实施方式、实施例，但是公开内容可以在结构的细节上改变，并且实施方式、实施例中的要素的组合或顺序的改变等能在不脱离所请求保护的本发明的范围和思想的情况下实现。

Claims (10)

  1. 一种饮用水供应装置，其特征在于，包括：
    分配器，基于用户的操作来进行出水和停水；
    水回路，连接在水源和所述分配器之间；
    分配器接收部，接收从所述分配器排出的水；
    排水蒸发皿，上表面开口；以及
    排水管，将所述水回路内或所述分配器接收部内的水引导至所述排水蒸发皿。
  2. 根据权利要求1所述的饮用水供应装置，其特征在于，还包括：
    自动阀，进行所述水回路和所述排水管之间的打开和关闭；以及
    控制部，进行所述自动阀的打开和关闭的控制，
    所述控制部将所述自动阀控制为常闭状态，当判别为满足至少一个排出条件时，进行如下的控制：将所述自动阀从关闭切换为打开，以经由所述排水管将所述水回路内的水排出到所述排水蒸发皿，在经过预定的排出时间后，返回为关闭，
    在所述排出条件中，包括经过了预定的待机时间。
  3. 根据权利要求2所述的饮用水供应装置，其特征在于，在所述排出条件中，包括在所述分配器处于停水状态下经过了预定的停水时间。
  4. 根据权利要求2或3所述的饮用水供应装置，其特征在于，
    还包括液位传感器，所述液位传感器检测所述排水蒸发皿中的液面高度，
    在所述排出条件中，包括基于来自所述液位传感器的信号而判别为所述排水蒸发皿的液面高度在预定的高度以内。
  5. 根据权利要求1所述的饮用水供应装置，其特征在于，所述水回路包括储水管、温水箱、配管和三通阀；来自水源的水经由所述配管和三通阀供应给储水管和温水箱。
  6. 根据权利要求5所述的饮用水供应装置，其特征在于，所述切换阀包括针对冷水和温水中的每一个来切换出水和停水的杠杆。
  7. 根据权利要求5所述的饮用水供应装置，其特征在于，在所述分配器接收部上表面设置有狭缝，从所述分配器排出的水中的、未被杯子等接收的水通过狭缝积存在所述分配器接收部的底部。
  8. 根据权利要求5所述的饮用水供应装置，其特征在于，所述饮用水供应装置还包括自动阀，所述自动阀用于进行所述水回路和所述排水管之间的打开和关闭； 所述自动阀安装在水回路中的储水管或温水箱的下游侧的配管上并靠近所述分配器。
  9. 根据权利要求1所述的饮用水供应装置，其特征在于，所述排水管的一端连接到分配器接收部，另一端连接到排水蒸发皿。
  10. 一种冰箱，其特征在于，包括：
    根据权利要求2至4中任一项所述的饮用水供应装置；以及
    蒸发皿，用作所述排水蒸发皿，积存由除霜产生的水，
    在所述排出条件中，包括从蒸发器的除霜处理结束时起经过了预定的时间。
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KR20060000225A (ko) * 2004-06-28 2006-01-06 주식회사 대우일렉트로닉스 냉장고 디스펜서의 잔수처리구조
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