WO2011089868A1 - Dish washing device - Google Patents
Dish washing device Download PDFInfo
- Publication number
- WO2011089868A1 WO2011089868A1 PCT/JP2011/000123 JP2011000123W WO2011089868A1 WO 2011089868 A1 WO2011089868 A1 WO 2011089868A1 JP 2011000123 W JP2011000123 W JP 2011000123W WO 2011089868 A1 WO2011089868 A1 WO 2011089868A1
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- WIPO (PCT)
- Prior art keywords
- water
- rinse
- rinsing
- cleaning
- cleaned
- Prior art date
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4234—Steam generating arrangements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
- A47L15/0015—Washing processes, i.e. machine working principles characterised by phases or operational steps other treatment phases, e.g. steam or sterilizing phase
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/48—Drying arrangements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/04—Steam
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/17—Sonic or ultrasonic waves
Definitions
- the present invention relates to a dishwashing apparatus.
- a conventional dishwashing apparatus includes a washing water supply device such as a circulation pump and a heater for heating the washing water.
- This dish washing apparatus pressurizes washing water with a circulation pump etc. while heating washing water supplied into the washing tank with a heater, and sprays it from the rotating jet nozzle toward the dishes installed in the washing tank. Wash.
- FIG. 18 is a schematic sequence diagram of a conventional tableware washing apparatus.
- the process of such a dishwashing apparatus basically includes a washing process, a plurality of rinsing processes including a final rinse, and a drying process.
- the amount of water used in each step is at least several liters although it depends on the number of dishes.
- the circulating water is heated to 60 ° C. or higher by the heater in the washing step and the final rinse of the rinsing step.
- circulating water is often heated to around 70 ° C. for the purpose of sterilizing dishes and assisting in the drying of the next process (see, for example, Patent Document 1). That is, when the tableware is warmed by the heated washing water in the final rinse immediately before drying, the time required for drying is shortened.
- FIG. 19 is a cross-sectional view of a conventional dishwashing apparatus, which is a dishwashing apparatus described in Patent Document 2.
- the dishwasher includes a washing tub 68, tableware 49, basket 50, drainage pump 51, injection pipe 52, injection hole, three-way valves 53 and 54, pure water device 55, water supply pipe 56, steam generator side water supply pipe. 56 a, check valve 57, steam generation chamber 58, heating element 59, water level detectors 60 and 61, drain hose 62, cleaning tank side water supply pipe 63, steam pipe 64, door 65, and air vent hole 66. .
- FIG. 20A is a cross-sectional view of an injection pipe of a conventional dishwashing apparatus
- FIG. 20B is a cross-sectional view showing a state in which steam and clean water are mixed in an injection hole provided in the injection pipe of the dishwashing apparatus.
- the dish washing apparatus configured as described above
- the mixture obtained by mixing the pressurized steam and the washing water is directed toward the dishes 49 in the basket 50 in FIG.
- the tableware 49 is evenly washed by spraying.
- the pressurized steam is supplied from the steam generation chamber 58. Wash water is also induced from pressurized steam. And after washing
- the dishwashing apparatus described in Patent Document 2 does not use a circulation pump for the purpose of improving cleaning efficiency, saving space, and reducing costs.
- This dishwashing apparatus accumulates water at the bottom of the washing tank, that is, below the dish basket, and generates steam from the water surface. And this tableware washing apparatus wash
- the present invention is a tableware washing apparatus having a washing step and a rinsing step for rinsing a plurality of times, a washing tank for containing an object to be washed, a water supply unit for supplying clean water to the washing tank, and a washing A cleaning pump that pumps the cleaning water stored in the tank, a cleaning nozzle that is connected to the cleaning pump and injects the cleaning water onto the object to be cleaned, and is provided in the cleaning tank and from the water vapor of the cleaning water or cleaning water.
- a water particle generator that generates water particles of a size, and the rinse agent is supplied into the cleaning tank in either the cleaning step or the rinsing step, and the final rinse after the rinse agent is supplied In this case, water particle rinsing for adhering water particles to the object to be cleaned is performed.
- the amount of water used for the water particles is supplied in the final rinse.
- the amount of water can be significantly reduced compared to conventional rinsing with circulating water, and a large amount of water does not need to be heated, so that power consumption can also be reduced.
- the dish washing apparatus of the present invention can improve the drying performance.
- FIG. 1 is an elevation view of the tableware washing apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a sequence schematic diagram of the tableware washing apparatus.
- FIG. 3 is a process flow schematic diagram of the tableware washing apparatus.
- FIG. 4 is an elevation view of the tableware washing apparatus according to the second embodiment of the present invention.
- FIG. 5 is an elevation view of the tableware washing apparatus according to the third embodiment of the present invention.
- FIG. 6 is an elevation view of the mixed water particle generator of the dishwasher.
- FIG. 7 is a characteristic diagram of the amount of adhered water of the tableware immediately before drying according to the final rinsing method of the tableware washing apparatus.
- FIG. 8 is a drying performance characteristic chart according to the final rinse method of the tableware washing apparatus.
- FIG. 9 is a correlation graph between the drying performance of the tableware washing apparatus and the tableware surface temperature.
- FIG. 10 is a diagram showing the level of water droplets remaining on another glass of the last rinse of the dishwashing apparatus.
- FIG. 11 is an elevation view of the tableware washing apparatus according to the fourth embodiment of the present invention.
- FIG. 12 is a schematic sequence diagram of the tableware washing apparatus.
- FIG. 13 is an elevation view of the tableware washing apparatus according to the fifth embodiment of the present invention.
- FIG. 14 is a sequence outline diagram of the tableware washing apparatus.
- FIG. 15 is an elevation view of the tableware washing apparatus according to the sixth embodiment of the present invention.
- FIG. 16 is an elevation view of the tableware washing apparatus according to the seventh embodiment of the present invention.
- FIG. 17 is an elevation view of the tableware washing apparatus according to the eighth embodiment of the present invention.
- FIG. 18 is a schematic sequence diagram of a conventional tableware washing apparatus.
- FIG. 19 is a sectional view of the tableware washing apparatus.
- FIG. 20A is a cross-sectional view of the injection tube of the tableware washing apparatus.
- FIG. 20B is a cross-sectional view showing a state in which steam and clean water are mixed in an injection hole provided in an injection pipe of the tableware washing apparatus.
- FIG. 1 is an elevation view of the tableware washing apparatus according to Embodiment 1 of the present invention.
- the object to be cleaned 3 is set and accommodated in the tableware basket 2 of the cleaning tank 1.
- the cleaning tank 1 is provided with a water supply unit 4 for supplying clean water such as tap water in the cleaning tank 1.
- a drainage part 5 for discharging wastewater used for cleaning and rinsing to the outside of the cleaning tank 1 and a cleaning pump 7 for pumping the cleaning water stored in the water storage part 6. Yes. Wash water is stored in the water reservoir 6.
- the bottom inner wall of the cleaning tank 1 is connected to the cleaning pump 7 and also has a cleaning nozzle 8 for injecting cleaning water onto the object to be cleaned 3, a first heating unit 9 for heating the cleaning water, and a mist from water vapor by boiling.
- a water particle generator 10 that generates water particles of a size is provided.
- a rinse agent charging part 11 and a rinse agent charging port 12 are installed on the side surface of the cleaning tank 1.
- the rinse agent introduction unit 11 stores the rinse agent and introduces the rinse agent into the cleaning tank 1 at a necessary timing.
- the height position of the rinse agent inlet 12 is set to be between the height of the water supply unit 4 and the water storage unit 6.
- the rinsing agent is mixed into the supplied water flow until the water supplied to the cleaning tank 1 flows into the water storage unit 6 at the time of water supply.
- a control unit 13 is installed on the side surface of the cleaning tank 1.
- the control unit 13 controls the water vapor rinse course that is performed in the final rinse of the rinsing process.
- the water particle rinsing means that the water particle generator 10 is driven to cause the water particles of clean water to adhere to the article 3 to be rinsed.
- the washing water is a general term for a liquid for washing the object to be washed 3 or rinsing.
- FIG. 2 is a sequence outline diagram of the tableware washing apparatus according to the first embodiment of the present invention.
- the horizontal axis indicates the operation time
- the vertical axis indicates the dish temperature
- the sequence of the conventional dishwashing apparatus and the sequence of the dishwashing apparatus of the present invention are vertically aligned.
- FIG. 3 is a process flow schematic diagram of the tableware washing apparatus according to the first embodiment of the present invention.
- FIG. 3 shows a process flow from the end of the last two rinses to the end of the final rinse.
- the dishwasher configured as described above will be described below.
- a detergent is introduced, and a predetermined amount of tap water is supplied from the water supply unit 4 by the control unit 13 to the cleaning tank 1 in which the object to be cleaned 3 is accommodated.
- the supplied water is stored in the water storage unit 6 and the cleaning process is started.
- the detergent dissolves and the cleaning water stored in the water storage section 6 is pumped from the cleaning pump 7 to the cleaning nozzle 8 while being heated by the first heating section 9 and sprayed toward the object to be cleaned 3. Cleaning is performed.
- the cleaning water sprayed on the object to be cleaned 3 returns to the water storage unit 6 again, repeats the above operation, and is circulated for the purpose of cleaning through the cleaning pump 7.
- the controller 13 After cleaning by spraying for a predetermined time is repeated, when a predetermined temperature generally in the vicinity of 60 ° C. is detected by a water temperature detection sensor (not shown), the controller 13 switches the first heating unit 9. Is turned off. Thereafter, after a predetermined time of operation, the cleaning pump 7 is stopped by the control unit 13, the cleaning water is discharged to the outside of the cleaning tank 1 by the drainage unit 5, and the cleaning process ends.
- the rinsing process is started by supplying a predetermined amount of water from the water supply unit 4 to the cleaning tank 1 in the same manner as at the start of cleaning.
- the water stored in the water storage unit 6 circulates in the cleaning tank 1 as in the cleaning step, and the dirt and detergent adhering to the object to be cleaned 3 are rinsed away by jetting.
- drainage is performed in the same manner as in the cleaning process, and normal rinsing is completed. Thereafter, the usual rinsing is repeated 1 to several times by the same method, and the last two rinses are completed by drainage ((b) of FIG. 2).
- the rinsing operation immediately before the final will be described using the flow of FIG.
- the water supply valve 14 is opened by the control unit 13 (f) and tap water is supplied into the cleaning tank 1 through the path 15.
- the washing water at this time is cleaner than the washing water used so far because the amount of dirt is reduced by rinsing.
- the rinse agent inlet 12 is opened by the control unit 13 (g), and the rinse agent is mixed in the middle of the clean water flowing into the water storage unit 6 from the water supply port 16.
- the rinse agent inlet 12 is closed (h), and the injection of the rinse agent is completed.
- the control unit 13 closes the water supply valve 14 (j), and the water supply is completed.
- the reason why the rinse agent is not injected into the water storage unit 6 and is mixed into the clean water before being stored in the water storage unit 6 is as follows.
- the amount of dirt such as eggs is large, a large amount of bubbles are present in the upper part of the water storage unit 6 without being circulated during operation when the rinse agent is injected into the water storage unit 6.
- the hydrophilic group of the rinsing agent is selectively arranged on the water film on the surface of the foam and the hydrophobic groups are directed toward the air inside and outside the foam. To do.
- the rinse agent is taken into the foam surface before reaching the water layer below the foam layer.
- the amount of the rinse agent that circulates in the cleaning tank 1 together with water is relatively reduced.
- the rinse agent is injected into the supply water until the supply water is stored in the water storage section 6. Since the rinse agent flows in along the wall surface of the water storage unit 6, the relative amount of the rinse agent taken into the foam surface is suppressed rather than being injected from above the foam. Therefore, it is desirable that the rinse agent is mixed with clean water in a place where there is no foam.
- the cleaning pump 7 is operated (k) by the control unit 13, and the rinse water containing the rinse agent is jetted from the cleaning nozzle 8 toward the object to be cleaned 3. .
- the injected water is circulated and used in the same manner as the previous rinsing, and the circulating injection is performed for a predetermined time.
- the cleaning pump 7 is stopped by the control unit 13 (m)
- the drainage unit 5 is operated (n)
- the drainage is performed for a predetermined time, and the last rinse immediately ends.
- the control unit 13 opens the water supply valve 14 (o), and water is supplied to the water particle generator 10 through the path 17.
- water supply valve 14 is closed (q) by the control unit 13 and the switch of the water particle generator 10 is turned ON (r).
- the first heating unit 9 is provided in the water storage unit 6 and heats the cleaning water.
- the water vapor causes condensation to rinse the surface of the article 3 to be cleaned, and causes the water droplets that have adhered to grow and drop.
- the supply of the water vapor is performed until the surface temperature of the object to be cleaned 3 reaches 70 ° C. by an infrared sensor or the like.
- the control unit 13 turns off the switch of the water particle generator 10 (t).
- the condensed water stored in the water storage unit 6 is discharged out of the washing tank 1 by the drainage unit 5, and the final rinse is completed ((d) in FIG. 2).
- the water particles are water vapor and can be efficiently heated by latent heat, the water particles are efficiently heated in a shorter time than using normal high-temperature jet water. Moreover, only the amount of water used for steaming is sufficient for the conventional rinsing with circulating water. Therefore, the amount of water is greatly reduced, and a large amount of water does not need to be heated, so that power consumption is reduced. Moreover, the water used for steaming is clean water immediately after water supply that does not circulate in the washing tank 1. Therefore, it does not include dirt accumulated in the washing tank 1, which is taken into the washing water during circulation, the washing pump 7, or the circulation water channel as in the prior art. As a result, unsanitation due to the use of circulating water is suppressed.
- the combination of water vapor and rinsing has the following effects compared to the conventional method and the method using only water vapor.
- the amount of water adhering to the surface of the article to be cleaned 3 is greatly reduced, and drying is performed efficiently.
- the water vapor spreads throughout the washing tank 1. Therefore, there is no occurrence of a location where the spray water does not come from the trajectory of the spray nozzle as seen in the conventional rinse with the spray water.
- the sterilization effect in more detail in the cleaning tank 1 is improved.
- Escherichia coli, Salmonella, and Staphylococcus that are killed by contact with hot water at about 70 ° C. for 3 minutes are surely sterilized. A clean and clean finish is obtained.
- a drying process is performed.
- outside air is generally sent into the cleaning tank 1 by a blower fan, and air is heated by a heating unit such as a heater on the air passage of the blower fan.
- the warmed air is replaced with air containing a large amount of moisture that fills the cleaning tank 1, thereby improving the drying property.
- a heating unit such as a heater on the air passage of the blower fan.
- the warmed air is replaced with air containing a large amount of moisture that fills the cleaning tank 1, thereby improving the drying property.
- a large amount of water droplets remain on the surface of the object to be cleaned 3 immediately before drying, as in the case of rinsing with normal spray water or steam only.
- steam rinse has sufficient calorie
- the rinsing water may be heated by the first heating unit 9 until the water temperature reaches a predetermined temperature for the purpose of improving the rinsing performance.
- the water particle generator 10 uses only clean water.
- water particles may be generated by boiling the cleaning water stored in the water storage unit 6 or the like by the first heating unit 9 used for heating the cleaning water.
- the 1st heating part 9 becomes a water particle generator.
- a member with high heat resistance needs to be used for the surrounding members.
- the water supply may be used once the scale components are removed through a water purification filter or the like.
- a scale component removal agent may be periodically injected into the dishwashing apparatus without using the water purification filter.
- the rinsing agent is not limited to a supply method in which the rinsing agent is mixed into the water flow of the supply water until the water supplied to the cleaning tank 1 flows into the water storage unit 6.
- the rinse agent can be supplied anywhere in the cleaning tank 1. I do not care.
- the spray water flows into the water storage section 6 while dissolving the rinse agent supplied somewhere in the cleaning tank 1. Therefore, compared with the system which supplies a rinse agent directly from the upper surface of the foam collected in the water storage part 6, the ratio by which a rinse agent is taken in into a foam becomes small.
- the injection of the rinse agent is not limited to the above method.
- the user may put in the rinse agent at an appropriate timing, or may use a capsule-type or solid-state detergent in which the rinse agent dissolves in a specific process such as during a rinsing process.
- a heat resistant temperature 100 ° C. or higher for the location where water vapor is applied immediately after the rinsing agent is supplied and the constituent materials in the apparatus where water vapor is generated.
- FIG. 4 is an elevation view of the tableware washing apparatus according to the second embodiment of the present invention.
- the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- the dishwashing apparatus heats water in a separate chamber 19 at the bottom of the cleaning tank 1, an ultrasonic vibrator 20 that is a water particle generator that generates mist-like water particles, and water in the separate chamber 19 that includes the ultrasonic vibrator 20. And a water level detection sensor 22 for detecting the water level in the separate chamber 19.
- the 2nd heating part 21 is used as a heating part which heats clean water.
- a path 23 for supplying clean water from the water supply unit 4 is connected to the separate chamber 19 by switching the water supply valve 14.
- the separate chamber 19 and the cleaning tank 1 are communicated with each other by an opening / closing door 24.
- the object to be cleaned 3 is rinsed with rinse water containing a rinse agent immediately before the final rinse, the cleaning pump 7 is stopped, and the water in the cleaning tank 1 is drained by the drainage unit 5.
- clean water is supplied to the separate chamber 19 through the water supply valve 14 and the path 23 by the control unit 13 and supplied until detected by the water level detection sensor 22.
- the opening / closing door 24 is opened by the control unit 13, and the separate chamber 19 and the inside of the cleaning tank 1 are communicated.
- the generated high temperature water mist is supplied into the cleaning tank 1 through the door 24.
- the high-temperature water particles supplied into the cleaning tank 1 adhere to the objects to be cleaned 3 and the wall surfaces of the cleaning tank 1 and are heated by sensible heat. Further, the water particles expand the adhesion area, coalesce with the water droplets adhered at the last rinse, grow and drop, whereby the water droplets originally adhered to the surface of the object to be cleaned 3 are removed.
- the control unit 13 stops the ultrasonic vibrator 20 and the second heating unit 21. Thereafter, the remaining water stored in the separate chamber 19 is discharged out of the cleaning tank 1 by the drainage unit 5, and the final rinse in which water particles are rinsed is completed.
- water particles generated by the ultrasonic transducer 20 are used. Therefore, although it is a small amount of clean water, the size of water particles is larger than that of water vapor, and the amount of water adhering to the surface of the object to be cleaned 3 increases in a short time. And the water droplet containing the dirt adhering to the to-be-washed
- the subsequent drying process is performed by the energy saving drying course by the blower fan as in the first embodiment, and the operation ends.
- water droplets containing dirt adhering immediately before the final rinse are dropped by water particles which are clean water. Therefore, the number of water droplet traces remaining after drying is reduced. Even if water droplet traces remain, they are not white and conspicuous water droplet traces caused by dirt as seen when circulating water is used, so that a beautiful finish can be obtained.
- the amount of water and power consumption used in the final rinse are greatly reduced compared to the conventional method. Since the temperature of the object to be cleaned 3 has reached 70 ° C. or higher, the power consumption is reduced by the energy-saving drying course, and furthermore, high-efficiency sterilization effect in which high-temperature water particles are distributed throughout the final rinse. I can expect.
- the water particle generator may have any configuration as long as it generates mist-like water particles, such as a spray nozzle, instead of the ultrasonic vibrator 20.
- the generation direction of the water particles may be a direction from the upper side in the cleaning tank 1 toward the object to be cleaned 3.
- water particle supply ports may be installed at a plurality of locations.
- the second heating unit 21 may boil clean water and generate water particles.
- the 2nd heating part 21 becomes a water particle generator.
- the separate room 19 may be installed as a part of the water storage unit 6. At that time, there may be no boundary between the separate chamber 19 and the water storage unit 6, or the filter may be isolated by a filter or an opening / closing door.
- the injection of the rinse agent is not limited to the above method.
- the user may put in at an appropriate timing, or may use a capsule type or a solid type detergent in which the rinse agent dissolves in a specific process such as during a rinsing process.
- FIG. 5 is an elevation view of the tableware washing apparatus according to Embodiment 3 of the present invention
- FIG. 6 is an elevation view of the mixed water particle generating apparatus of the tableware washing apparatus.
- the same components as those in the first and second embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
- a mixed water particle generator 25 is installed at the bottom of the cleaning tank 1.
- the mixed water particle generator 25 is connected to the path 27. Further, the water supply valve 14 and a water purification filter 26 that can be removed from the outside are connected to the path 27.
- the mixed water particle generator 25 has a structure for storing clean water therein.
- the mixed water particle generation unit 28 which is an instantaneous boiling type water particle heating unit is formed of a plurality of thin heater tubes and has a cylindrical shape. The heater tube is hollow and the heater is disposed on the outer wall.
- the mixed water particle generator 28 is installed with one end in the mixed water particle generator 25 and the mixed water particle supply port 29 at the other end facing the cleaning tank 1.
- a water supply pump 30 that pumps the stored clean water to the mixed water particle generator 28 and a water level detection sensor (not shown) at the time of water supply are installed. That is, the mixed water particle generator 25 includes an instantaneous boiling water particle heating unit and a water supply pump 30.
- FIG. 7 is a characteristic chart of the amount of adhering water on the tableware just before drying according to the final rinsing method of the tableware washing apparatus according to Embodiment 3 of the present invention.
- Figure 7 shows JEMA dishwasher performance measurement test (JEMA-HD84, revised on December 4, 2003 3. Washing performance, 4. Drying performance) on Panasonic tabletop dishwasher (NP-TS1) This is the result obtained.
- FIG. 8 is a drying performance characteristic chart according to the final rinsing method of the dishwashing apparatus of Embodiment 3 of the present invention
- FIG. 9 is a correlation graph between the drying performance of the dishwashing apparatus and the dish surface temperature.
- FIG. 8 is a drying performance characteristic chart according to the final rinsing method of the dishwashing apparatus of Embodiment 3 of the present invention
- FIG. 9 is a correlation graph between the drying performance of the dishwashing apparatus and the dish surface temperature.
- FIG. 8 is a drying performance characteristic chart according to the final rinsing method of the dishwash
- FIG. 10 is a figure which shows the water drop trace level which remained in the glass of another rinse of the final round of the tableware washing apparatus of Embodiment 3 of this invention.
- the water drop level is determined by visually determining the number of remaining water drop traces in five stages, and the number of samples is three.
- the drying performance is represented by the ratio of the number of dishes for each determination (A: completely dry, B: less than 3 remaining water drops, C: other than A and B).
- A completely dry
- B less than 3 remaining water drops
- C other than A and B.
- the object to be cleaned 3 is rinsed by the rinse water containing the rinse agent immediately before the final rinse, the cleaning pump 7 is stopped, and the cleaning water in the cleaning tank 1 is drained by the drainage unit 5. .
- the control unit 13 supplies clean water to the inside of the mixed water particle generator 25 through the water supply valve 14 and the path 27 until a water level detection sensor (not shown) detects a predetermined water level.
- a water level detection sensor not shown
- the feed water pump 30 is driven. Then, the clean water stored in the mixed water particle generator 25 is pumped to the mixed water particle generator 28.
- the purified water that has been pumped passes through a thin heater tube whose inner wall has become high temperature, partly boiled to become water vapor, and part becomes high temperature water particles that are not water vapor.
- First mixed water particles composed of water vapor and high-temperature water particles are supplied from the mixed water particle supply port 29 into the cleaning tank 1. At this time, the supplied first mixed water particles warm the article to be cleaned 3 and perform sterilization. And if the surface of the to-be-cleaned object 3 reaches 70 degreeC by detection with an infrared sensor etc., the mixed water particle generation part 28 and the water supply pump 30 will stop.
- the remaining water stored in the mixed water particle generator 25 is drained to the outside of the washing tank 1 by the drainage unit 5.
- the first mixed water particles are both water vapor and high-temperature water particles that are not water vapor. Therefore, efficient heating and sterilization due to the latent heat of water vapor and efficient rinsing effect due to an increase in the amount of water adhering to the surface of the article 3 to be cleaned by water particles larger than water vapor can be obtained at the same time.
- water vapor and water particles that are not water vapor combine to increase its own weight and quickly and reliably adhere to the surface of the object to be cleaned 3, thereby shortening the processing time.
- the manufacturing cost is greatly reduced in the third embodiment as compared with a case where a device for generating water vapor and a device for generating high-temperature water particles that are not water vapor are separately provided in order to obtain each effect. .
- the subsequent drying process is performed by an energy saving drying course using a blower fan as in the first embodiment, and the operation of the dishwashing apparatus is completed.
- water droplets containing dirt adhering immediately before the final rinse are dropped by water particles that are clean water. Therefore, the number of water droplet traces remaining after drying is reduced. Even if water droplet traces remain, the object to be cleaned 3 has a beautiful finish because it is not a white and conspicuous water droplet trace caused by dirt as seen when circulating water is used.
- the amount of water and power consumption used in the final rinsing are significantly reduced compared to the conventional method. And since the temperature of the to-be-cleaned object 3 has reached 70 degreeC or more, the power consumption by an energy saving drying course can be reduced. Furthermore, the high-efficiency sterilization effect that spreads through every corner by the high-temperature water particles at the final rinse can be expected.
- the drying performance equivalent to that of the conventional method can be obtained only by blowing. It is shown that. Further, as shown in FIG. 9, from the correlation diagram between the obtained A performance judgment value and the tableware surface temperature, when the tableware temperature is about 71 ° C., the drying performance equivalent to the conventional method is obtained. Therefore, in the combination of the first mixed water particles and the rinse, energy saving drying only by blowing can be performed by setting the surface temperature of the tableware to be cleaned 3 to 70 ° C. or more and 100 ° C. or less in the final rinse.
- the method of the third embodiment in which the first mixed water particles and the rinsing are combined is used before the drying process.
- the amount of water adhering to the surface becomes less than half, and drying is performed efficiently.
- the level of water droplet traces remaining on the glass after drying, for the combination of the first mixed water particles and the rinse agent has a good level equal to or higher than that of the rinse agent alone.
- the washed and dried object 3 of the third embodiment is found only in the conventional method and the first mixed water particles, or when the rinse agent is added to the jet water (hereinafter, rinse agent only). White water drops are greatly reduced. Although the power consumption and the amount of water are reduced, the object to be cleaned 3 has a beautiful finish.
- the amount of water in the combined use of the first mixed water particles and the rinse agent is the same as that of the rinse agent alone.
- the combined use of the first mixed water particles and the rinsing agent has the following advantages as compared with the case of only the rinsing agent in which the final rinse is performed by circulating water using hot water. Advantages are that there is no redeposition due to rinsing water, and the amount of heating water is small and the power consumption and the amount of water used are reduced. Further, since the water droplet newly attached to the object to be cleaned 3 in the final rinse is clean water, the white water droplet trace remaining after drying can be greatly reduced.
- the mixed water particle generator 25 may be any device that generates water vapor and water particles that are not water vapor, even if it does not have the structure described in the third embodiment.
- the first mixed water particles are generated in a direction from the upper side in the cleaning tank 1 toward the object 3 to be cleaned, and a plurality of mixed water particle supply ports 29 are provided in order to efficiently supply the first mixed water particles. You may install in. Further, if possible, the mixed water particle supply port 29 may be configured so that the water being cleaned does not enter.
- the installation location of the water purification filter 26 is not limited to the above location, and the water purification filter 26 itself may not be installed.
- the mixed water particle generator 25 configured as described above the mixed water particle generator 28 may accumulate and clog the scale. Therefore, the mixed water particle generating unit 28 needs to be devised in terms of the structure or the like or periodically cleaned with a scale component remover.
- the scale is prevented from being deposited.
- the rinsing agent is not limited to the above method.
- the user may put it in at an appropriate timing, or a capsule-type or solid-type detergent in which the rinse agent dissolves in a specific process such as during a rinsing process may be used.
- a material having a heat-resistant temperature of 100 ° C. or higher as a location where water vapor is applied immediately after the supply and a constituent material in the apparatus where the water vapor is generated.
- FIG. 11 is an elevation view of the tableware washing apparatus according to Embodiment 4 of the present invention
- FIG. 12 is a sequence schematic diagram of the tableware washing apparatus.
- the same components as those in the first to third embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
- a dirt sensor 32 that detects the amount of dirt in the circulating water is installed in a path 31 through which the circulating water passes from the water storage unit 6 toward the cleaning pump 7.
- the vertical axis represents the water temperature
- the horizontal axis represents the operation time. From the top, the conventional sequence, the sequence 33 when the amount of dirt is large, and the sequence 34 when the amount of dirt is small are shown.
- the dishwashing apparatus of the fourth embodiment automatically selects a sequence according to the amount of dirt.
- a rinsing agent is introduced in the cleaning process, and when the amount of dirt is small, the rinsing agent is introduced in the last rinse.
- the form and operation of the final rinse with water particles are the same as in the first to third embodiments. Since cleaning and rinsing methods by jetting in each process are the same as those in the first to third embodiments, detailed description thereof is omitted.
- the dirt sensor 32 detects the amount of dirt in the circulating water.
- the control unit 13 supplies the rinse agent into the cleaning tank 1 from the rinse agent inlet 12. Is done.
- the process proceeds in the same manner as in the conventional method until the last rinse.
- water particle rinsing is performed by the same method as in the first and second embodiments.
- the reason for supplying the rinse agent during the cleaning process is as follows.
- the amount of dirt is large, especially when egg yolk protein is contained in large quantities, the protein is denatured by the high temperature during the washing and rinsing process, and tends to adhere to a glass or the like.
- unevenness and hydrophilicity variations occur on the surface of the article 3 to be cleaned, and water droplets remain in the last rinse and the final rinse, resulting in a decrease in drying performance.
- Once this type of dirt is deposited, it is difficult to remove with normal rinsing. Therefore, it is important to prevent the above-described dirt from adhering to the article 3 to be cleaned.
- the rinse agent is supplied into the washing water in which a large amount of dirt peeled off from the dishes is floating.
- a rinse agent component that is not contained as a detergent component for a general dishwasher or contained in a very small amount is sufficiently contained.
- the amount of dirt is less than the predetermined amount, it is more effective to reduce water droplets due to the rinse agent when the rinse agent is introduced immediately before the final rinse than when the rinse agent is introduced at the initial stage of cleaning. Therefore, it is desirable to adopt the systems of the first and second embodiments as usual.
- the amount of soiling is small, or when there is a small amount of soiling that denatures and adheres to the surface of the tableware, it is more effective to introduce a rinse agent in the last rinse.
- the rinsing effect is exhibited with a smaller amount of the rinsing agent.
- the adhesion of dirt to the surface of the object to be cleaned 3 immediately before is prevented.
- the surface of the tableware is treated to have a more uniform hydrophilicity, thereby reducing the amount of remaining water droplets. Thereby, the amount of water drops to be dropped in the water particle rinsing can be reduced. Therefore, the drying performance in the subsequent drying step or natural drying is improved, and water droplet traces remaining after drying are prevented.
- the mixed water particle generator 25 may have a system and structure for generating water vapor and water particles that are not water vapor, or mixed water particles as described in the first to third embodiments.
- the sequence may be selected manually by the user. At this time, it is desirable to judge the course depending on whether the egg yolk component is particularly dirty or not.
- the dirt sensor 32 is not limited to the detection of the amount of dirt, but, for example, a sensor that can detect the type of dirt, particularly the amount of protein, is most desirable.
- the stain detection method is not limited to the above-described method.
- the user may put in the rinse agent himself. It is possible to adopt a method in which detergents such as capsules or solids in which the rinsing agent dissolves in a specific process, such as during a washing process or a rinsing process, are used depending on the state of dirt.
- FIG. 13 is an elevation view of the tableware washing apparatus according to the fifth embodiment of the present invention
- FIG. 14 is a sequence schematic diagram of the tableware washing apparatus.
- the same components as those in the first to fourth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
- the dishwashing apparatus includes a separate chamber 19 disposed at the bottom of the cleaning tank 1, an ultrasonic vibrator 20 that is a water particle generator that generates mist-like water particles in the separate chamber 19, and water in the separate chamber 19.
- a second heating unit 21 for heating the water level and a water level detection sensor 22 for detecting the water level in the separate chamber 19 are installed.
- the water particle generation point 36 includes the first heating unit 9 and is a part of the water storage unit 6 through the open / close door 35.
- a path 23 for supplying clean water from the water supply unit 4 is connected to the separate chamber 19 by switching the water supply valve 14.
- the separate chamber 19 and the cleaning tank 1 are communicated with each other by an opening / closing door 24.
- a rinse agent charging unit 11 and a rinse agent charging port 12 connected to a separate chamber 19 are installed in a part of the cleaning tank 1.
- the vertical axis indicates the water temperature and the horizontal axis indicates the operation time, and the sequence of the conventional method and the sequence of the dishwashing apparatus according to the fifth to eighth embodiments are shown in order from the top.
- the rinsing immediately before the final is started by supplying a predetermined amount of water from the water supply unit 4 to the washing tank 1 in the same manner as the previous rinsing.
- the water stored in the water storage section 6 circulates in the cleaning tank 1 in the same manner as the cleaning step, and rinses away dirt and detergent adhering to the object to be cleaned 3 by jetting.
- drainage is performed in the same manner as the washing step, and the normal rinsing step is completed. Thereafter, the usual rinsing is repeated one to several times by the same method, and the last rinsing is completed by drainage ((u) in FIG. 14).
- the final rinse begins.
- the opening / closing door 35 provided in the water storage unit 6 is closed by the control unit 13, and the water particle generation point 36 in the water storage unit 6 becomes a private room.
- clean water is supplied from the water supply unit 4 to the cleaning tank 1 via the path 15.
- the clean water supplied to the cleaning tank 1 is stored in the water particle generation location 36.
- the first heating unit 9 operates to heat the water stored in the water particle generation location 36.
- the water supply valve 14 is switched to the path 23, and water is supplied to the separate chamber 19 via the path 23.
- the water supply valve 14 When the water level in the separate chamber 19 reaches the water level detected by the water level detection sensor 22, the water supply valve 14 is closed and the water supply ends. An appropriate amount of rinse agent is introduced into the separate chamber 19 from the rinse agent inlet 12 before or after the start of water supply to the separate chamber 19 or immediately after the end of the water supply, and is dissolved in the stored washing water.
- the opening / closing door 35 is opened by the control unit 13, and the separate chamber 19 and the inside of the cleaning tank 1 are communicated.
- the ultrasonic vibrator 20 and the second heating unit 21 are operated, and mist-like water particles containing a rinse agent are generated while the cleaning water in the separate chamber 19 is heated.
- the generated water particles containing a high-temperature rinse agent (hereinafter, rinse-in water particles) are supplied into the cleaning tank 1 through the open / close door 24 for about 5 minutes.
- the ultrasonic vibrator 20 and the second heating unit 21 are stopped by the control unit 13, and the supply of rinse-in water particles is completed.
- the rinse agent may be supplied immediately before or when the ultrasonic transducer 20 is driven in the final rinse.
- the rinse-in water particles supplied into the cleaning tank 1 adhere to the object to be cleaned 3 and the wall surface of the cleaning tank 1, and the water droplets on the adhesion surface are dropped by growth.
- the rinse-in water particles adhere closely to the surface of the article 3 to be cleaned and treat the surface to be hydrophilic evenly.
- the operation time of the ultrasonic vibrator 20 is about 5 minutes immediately after the second heating unit 21 is operated, the rinse-in water particles are heated to 40 ° C. to 50 ° C., and are moved to the surface of the object 3 to be cleaned.
- the object to be cleaned 3 is heated by sensible heat along with the adhesion of.
- the water in the water particle generation portion 36 that has been heated by the first heating unit 9 gradually begins to be supplied to the cleaning tank 1 as water vapor.
- high-temperature steam with a stable supply amount is supplied into the cleaning tank 1.
- the supplied water vapor is combined with the rinse-in water particles floating in the space or adhering to the surface of the object to be cleaned 3 as it is sterilizing the bacteria floating in the space of the cleaning tank 1.
- the water vapor and the rinse-in water particles are combined, they adhere to the surface of the object to be cleaned 3 more quickly and reliably as high-temperature water particles whose own weight is increased by the combination, and the object to be cleaned 3 is heated.
- the control unit 13 switches the first heating unit 9 on. It is turned off. Residual water stored in the water particle generation point 36 is drained by the drainage part 5 simultaneously with the residual water in the separate chamber 19 through the water storage part 6 when the open / close door 35 is opened, and the final rinse is completed.
- the subsequent drying process is performed by an energy saving drying course using a blower fan as in the first embodiment, and the operation of the dishwashing apparatus is completed.
- the object to be cleaned 3 after drying is greatly reduced in water droplets adhered and soiled by rinse-in water particles and water vapor immediately before drying.
- the number of water droplet traces remaining after drying is reduced.
- the amount of water and power consumption used in the final rinsing are significantly reduced compared to the conventional method. Moreover, since the temperature of the article to be cleaned 3 has reached 70 ° C. or higher, the power consumption by the energy saving drying course is reduced. In addition, high-efficiency sterilization effect that can be expected throughout the whole area can be expected by high-temperature water particles at the final rinse.
- the total amount of water used for the water particles can be reduced as compared with the jet water by supplying the rinse agent in the water particles. Therefore, when supplying the rinse agent having the same concentration as the case where the rinse agent is dissolved in the jet water to the surface of the article 3 to be cleaned, the amount of the rinse agent used is greatly reduced, and the environmental load and running cost are reduced.
- the rinse agent is adhered to the surface of the article 3 to be cleaned by supplying the rinse agent contained in the water particles. Immediately after the rinsing agent is supplied or when water particles supplied at the same time adhere to the surface of the object 3 to be cleaned, the water droplets immediately spread and coalesce with the adjacent water droplets, so that the water droplets fall more quickly and efficiently.
- the effect of rinsing as a whole is enhanced by the amount of water contained in the rinse-in water particles as well as the water particles.
- the water particle generator is provided with the first heating unit 9 used for normal operation as a part of the water storage unit 6 to reduce the cost.
- this structure is not necessary if the structure generates water vapor.
- a device that generates water vapor separately may be provided so that clean water is directly supplied to the separate chamber 19.
- the structure for generating water vapor may be provided with a separate room 19 and an opening / closing door, and the water supply unit 4 and the first heating unit 9 may be used in combination.
- the rinse agent inlet 12 may be supplied to the separate chamber 19 after the rinse agent is dissolved in the clean water supplied without being directly provided in the separate chamber 19 of the rinse-in water particle generator.
- the rinse-in water particles are clean water particles.
- rinse-in water particle generator and the rinse agent charging unit 11 may be integrated. Any method may be applied as long as the rinsing agent is dissolved in the water used to generate the water particles.
- FIG. 15 is an elevation view of the tableware washing apparatus according to the sixth embodiment of the present invention.
- the same components as those in the first to fifth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
- the dishwasher includes a separate chamber 38 at the bottom of the cleaning tank 1, an ultrasonic vibrator 20 that is a water particle generator that generates mist-like water particles in the separate chamber 38, and a water level detection sensor 39.
- the upper surface of the wall surface on one side of the separate chamber 38 is open.
- An opening / closing door 40 is installed from the bottom surface of the separate chamber 38 to the height of the water level detection sensor 39.
- a separate room 41 is provided adjacent to the separate room 38 with the opening / closing door 40 as a boundary.
- a water particle heating unit 42 is installed between the bottom surface and the height of the water level detection sensor 39 installed in the separate chamber 38.
- the upper part of the separate room 38 and the separate room 41 is connected by the open part in the upper part of the opening / closing door 40, and internal air can freely come and go.
- a path 43 for supplying clean water from the water supply unit 4 by switching the water supply valve 14 is connected to the separate room 38. By opening the opening / closing door 40, clean water also flows into the separate chamber 41.
- a rinse agent charging part 11 and a rinse agent charging port 12 connected to the inside of the separate chamber 38 are installed in a part of the cleaning tank 1 located in the vicinity of the separate chamber 38. Further, the separate chamber 38 and the cleaning tank 1 are communicated with each other by an opening / closing door 44.
- the water supply valve 14 is opened and the clean water is supplied to the separate chamber 38 and the separate chamber 41 with the open / close door 40 opened through the passage 43, and the water level is detected. Water is supplied until the sensor 39 detects the water level.
- the opening / closing door 40 is closed and the separate room 38 and the separate room 41 are blocked.
- an appropriate amount of rinse agent is charged into the clean water stored in the separate chamber 38 from the rinse agent inlet 12.
- the ultrasonic transducer 20 and the water particle heating unit 42 in the separate chamber 41 are operated, and the open / close door 44 is opened.
- the water containing the rinse agent stored in the separate chamber 38 is supplied to the cleaning tank 1 through the open / close door 44 opened as rinse-in water particles.
- the rinse-in water particles adhere closely to the surface of the article to be cleaned 3 and uniformly treat the entire article to be cleaned 3 to be hydrophilic.
- the drainage section 5 is activated, and the remaining water containing the rinse agent in the separate chamber 38 is drained.
- the opening / closing door 40 opens, and the hot water heated in the separate room 41 flows into the separate room 38.
- High-temperature water particles are generated by the ultrasonic vibrator 20 and supplied to the cleaning tank 1 through the open / close door 44.
- the supplied high-temperature water particles adhere to the surface of the object to be cleaned 3 as they are, or are combined with the rinse-in water particles floating in the space to increase in size, and quickly and reliably adhere to the surface of the object to be cleaned 3. .
- the supply of the high-temperature water particles is stopped when it is detected that the surface temperature of the object to be cleaned 3 has reached 70 ° C. by an infrared sensor or the like after a predetermined time has elapsed. That is, the operations of the water particle heating unit 42 and the ultrasonic transducer 20 are stopped.
- the remaining water in the separate chamber 38 and the separate chamber 41 is drained by the drainage section 5, and the final rinse is completed.
- the subsequent drying process is performed by an energy saving drying course using a blower fan as in the first embodiment, and the operation of the dishwashing apparatus is completed.
- the to-be-cleaned object 3 after drying is greatly reduced in dirty water droplets adhering immediately before the final rinse due to rinse-in water particles and high-temperature water particles immediately before drying. Therefore, the number of water droplet traces remaining after drying is reduced. Even if water droplet traces remain, not the white and conspicuous water droplet traces caused by dirt as seen when circulating water is used, but a beautiful finish of the article to be cleaned 3 is obtained.
- the amount of water used in the final rinse can be greatly reduced compared to the conventional method. Moreover, since the temperature of the to-be-cleaned object 3 has reached 70 degreeC or more, the power consumption by the energy-saving drying course only of ventilation is reduced. Furthermore, the high-temperature water particles in the final rinsing are distributed throughout the object to be cleaned 3, and a highly efficient sterilization effect can be expected.
- the rinsing agent is included in the water particles and supplied. Therefore, the amount of the rinse agent used is greatly reduced compared to the jet water. And environmental burden and running cost are reduced.
- the rinse agent when the rinse agent is supplied while being contained in the water particles, the rinse agent adheres to every corner of the article 3 to be cleaned. Immediately after the rinsing agent is attached or when water particles supplied at the same time adhere to the surface of the article 3 to be cleaned, the particles immediately wet and spread, and can merge with adjacent water droplets. As a result, water droplets fall more quickly and efficiently.
- the rinse effect as a whole is enhanced not only by water particles but also by the amount of water contained in the rinse-in water particles.
- rinse-in water particles and high-temperature water particles are supplied in the form of a mist having a particle size larger than that of water vapor. Therefore, the amount of water that adheres to the surface of the article 3 to be cleaned in a short time is large, and the water drop dropping efficiency and the rinsing performance are increased accordingly.
- a device for rinsing-in water particles and a device for water particle generation are used together by one unit. Therefore, the manufacturing cost is greatly reduced. Further, since the space for installing the rinse-in water particle device, the water particle generating device, the power source of these devices, and the control unit 13 can be halved, the dishwasher can be made compact.
- the manufacturing cost is reduced by using the water particle generator as a part of the water storage unit 6 and the heating means used for normal operation.
- the structure generates water vapor, it is not necessary to use the above-described configuration.
- a device that generates water vapor may be provided separately so that clean water is directly supplied into the device.
- the structure for generating water vapor may be provided with a separate chamber 38 and an opening / closing door, and the water supply unit 4 and the first heating unit 9 may be used in combination.
- the rinse agent inlet 12 may not be directly supplied to the separate chamber 38 of the rinse-in water particle generator, but may be supplied to the separate chamber 38 after being dissolved in the supplied water. Furthermore, the rinse-in water particle generator and the rinse agent charging unit 11 may be integrated. As long as the rinse agent is dissolved in the water used to generate water particles, any type of rinse agent may be used.
- FIG. 16 is an elevation view of the tableware washing apparatus according to the seventh embodiment of the present invention.
- the same components as those in the first to sixth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
- the rinse-in water particle generation point 46 includes an open / close door 45, the first heating unit 9 of the water storage unit 6, the ultrasonic vibrator 20 that generates mist-like water particles, and the rinse-in water particles.
- a water level detection sensor 47 for detecting the water level in the generation location 46 is provided.
- the opening / closing door 45 is closed, and the rinse-in water particle generation point 46 is made into a private room in the water storage section 6.
- the water supply valve 14 is opened, and clean water is supplied into the cleaning tank 1 through the path 15.
- the rinse agent inlet 12 is opened, and the rinse agent is mixed while clean water flows from the water supply port 16 to the rinse-in water particle generation portion 46.
- the rinse agent inlet 12 is closed, and the injection of the rinse agent is completed.
- the water supply valve 14 is closed and the water supply is completed.
- the rinse-in water particle generation point 46 Since the rinse-in water particle generation point 46 is installed in the cleaning tank 1 without a cover, the generated rinse-in water particles are supplied to the cleaning tank 1 as it is for about 5 minutes. After a predetermined time has elapsed, the ultrasonic transducer 20 and the first heating unit 9 are stopped, and the supply of rinse-in water particles is completed.
- the rinse-in water particles supplied into the cleaning tank 1 adhere to the object to be cleaned 3 and the wall surface of the cleaning tank 1, and the water droplets on the adhesion surface are dropped by growth.
- the rinse-in water particles adhere closely to the surface of the article 3 to be cleaned and treat the surface to be hydrophilic evenly.
- the operating time of the ultrasonic transducer 20 is about 5 minutes immediately after the first heating unit 9 is operated. Therefore, the rinse-in water particles are heated to 40 ° C. to 50 ° C., and the object to be cleaned 3 is heated by sensible heat as it adheres to the surface of the object to be cleaned 3.
- the switch of the mixed water particle generating unit 28 is turned on, and when the temperature of the mixed water particle generating unit 28 reaches a predetermined temperature, the feed water pump 30 is driven, and the clean water stored in the mixed water particle generating device 25 is The mixed water particle generation unit 28 is pumped.
- the purified water that has been pumped passes through a thin heater tube with a high inner wall, partially boiling to become water vapor, and partly becoming high-temperature water particles that do not contain water containing a rinsing agent. 29 is supplied into the cleaning tank 1.
- the second mixed water particles made of mist which is high-temperature water particles that are not water vapor containing the supplied water vapor and rinse agent, adhere to the surface of the object to be cleaned 3 as they are.
- the second mixed water particles are combined with the rinse-in water particles floating in the space and become large, and quickly and reliably adhere to the surface of the object to be cleaned 3.
- the feed water pump 30 and the mixed water particle generating unit 28 are stopped. Then, the open / close door 45 is opened, and the remaining water stored in the rinse-in water particle generation point 46 flows into the water storage unit 6.
- the drainage section 5 is operated, the residual water in the water storage section 6 and the residual water in the mixed water particle generator 25 are drained, and the final rinse is completed.
- the rinse-in water particles adhere to the surface of the article to be cleaned 3 evenly just before rinsing with water particles, and the entire surface is treated to be hydrophilic. Therefore, when the second mixed water particles adhere, the second mixed water particles spread out.
- the water content of the rinse-in water particles is added to increase the efficiency of water droplet growth, coalescence, and dropping.
- the amount of rinsing agent used can be significantly reduced compared to the amount used in circulating water, the environmental load is reduced and the running cost is also reduced.
- the use of the second mixed water particles for rinsing the water particles provides the advantage of high temperature water particles that are not water vapor and water vapor.
- production location 46 is an instantaneous boiling type, a large amount of water particles are supplied with little power consumption immediately after driving. Therefore, various effects such as heating of the article 3 to be cleaned in a short time, sterilization by efficient latent heat, and improvement of rinsing efficiency can be obtained.
- the subsequent drying process is performed by the energy saving drying course by the blower fan as in the first embodiment, and the operation of the dishwashing apparatus is completed.
- the object to be cleaned 3 after drying has drastically reduced dirty water droplets adhering thereto by the rinse-in water particles and the second mixed water particles immediately before drying. Therefore, the number of water droplet traces remaining after drying is reduced. Even if a water droplet trace remains, it is not a white and conspicuous water droplet trace caused by dirt as seen when circulating water is used, but a beautiful finish is obtained.
- the amount of water and power consumption used in the final rinse are greatly reduced compared to the conventional method. Since the temperature of the object to be cleaned 3 has reached 70 ° C. or higher, power consumption by the energy saving drying course is reduced. Furthermore, at the time of the final rinse, high-temperature water particles spread throughout the entire area, and a high sterilization effect can be expected.
- the rinse-in water particle generator is used as a part of the water storage unit 6, and the first heating unit 9 used for normal operation is used in combination. Therefore, the heating part for the rinse-in water particle generator is not necessary, and the cost is reduced.
- the rinse-in water particle generator may be provided separately from the water storage unit 6.
- the rinse-in water particle generator may be provided together with the mixed water particle generator 25 or may be integrated.
- the rinse-in water particle generator is not covered and is exposed in the cleaning tank 1.
- the path 31 from the supply port to the rinse-in water particle generator is sufficiently rinsed by multiple rinses. Therefore, the clean water supplied to the rinse-in water particle generator is not at a level at which the clean water is contaminated and the dirt 3 adheres to the surface of the article 3 to be cleaned due to the rinse-in water particles.
- the rinsing is insufficient, it is dissolved in the circulating water that has become hot in the path 27 of the circulating water that is installed at the bottom and side of the washing tank 1 through which the circulating water that accumulates most dirt passes.
- the method of supplying the rinse agent is not limited to the above.
- the rinsing agent supply pipe may be connected to the rinsing-in water particle generator, or the rinsing agent may be introduced directly into the water storage location in the apparatus.
- FIG. 17 is an elevation view of the tableware washing apparatus according to the eighth embodiment of the present invention.
- the same components as those in the first to seventh embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
- a mixed water particle generator 25 is installed at the bottom of the cleaning tank 1.
- the detailed structure of the mixed water particle generator 25 is as shown in FIG. Further, the rinse agent inlet 12 is connected between the water supply valve 14 and the mixed water particle generator 25 in the path 27. Furthermore, the mixed water particle generator 25 is provided with a drainage path 48 connected to the drainage unit 5 at the bottom.
- the operation of the dishwasher configured as described above will be described below. Since the operation of the dishwashing apparatus of the eighth embodiment is performed from the cleaning step to the last rinse immediately after the same operation as in the first and seventh embodiments, the final rinse will be described.
- the water supply valve 14 and the rinse agent inlet 12 are opened. An appropriate amount of clean water and a rinsing agent are supplied into the mixed water particle generator 25 through the path 27.
- the feed water pump 30 is driven, and the rinse agent stored in the mixed water particle generating device 25
- the clean water containing is pumped to the mixed water particle generator 28.
- the purified water that has been pumped passes through a thin heater pipe whose inner wall is at a high temperature, partly becomes water vapor, and part becomes high-temperature rinse-in water particles containing a rinse agent, and the washing tank is supplied from the mixed water particle supply port 29. 1 is supplied.
- the second mixed water particles composed of the supplied water vapor and rinse-in water particles adhere to the surface of the object to be cleaned 3 as they are.
- the water vapor and the rinse-in water particles are combined in the cleaning tank 1 to increase their own weight, and quickly and reliably adhere to the surface of the object to be cleaned 3.
- the contact angle becomes small immediately after adhering.
- the rinse-in water particles coalesce with the surrounding rinse-in water particles, the condensed water of the water vapor, and the water droplets attached in the last rinse.
- the rinse-in water particles wet and spread on the surface of the article to be cleaned 3 and form large water droplets and fall from the surface of the article to be cleaned 3.
- the dirt component and the scale component contained in the water droplets adhered in the rinse immediately before the final are removed from the surface of the article 3 to be cleaned. And in the next drying process, generation
- the rinse-in water particles are simultaneously supplied by the same apparatus as the water vapor, so that the dirt components and the like are removed in a short time. And the surface of the to-be-washed
- the rinse-in water particle generator does not have to be provided separately, the manufacturing cost is greatly reduced. Furthermore, since the space for installing the rinse-in water particle generating device and the device for generating water vapor, the power source of these devices, and the control unit 13 can be halved, the dishwasher can be made compact.
- the rinsing effect is high even though the amount of water used is small. Moreover, since both the sterilization performance and the heating speed are high, all of the power consumption, the amount of water, and the heating time are reduced as compared with the rinsing with the jet water.
- the water particle generator 28 is stopped. Then, the remaining water in the mixed water particle generator 25 is drained from the drainage part 5 through the drainage path 48, and the final rinse is completed. In this way, the water particle rinsing is performed until the water particle generator sets the surface temperature of the article to be cleaned 3 to 70 ° C. or more immediately before the drying step.
- the subsequent drying process is performed by an energy saving drying course using a blower fan as in the first embodiment, and the operation of the dishwashing apparatus is completed.
- dirty water droplets adhering to the rinse-in water particles and water vapor immediately before drying are greatly reduced. Therefore, the number of water droplet traces remaining after drying is reduced. Even if water droplet traces remain, they are not white and conspicuous water droplet traces caused by dirt as seen when circulating water is used, so that a beautiful finish of the article to be cleaned 3 can be obtained.
- the temperature of the object to be cleaned 3 has reached 70 ° C. or higher in the final rinse, an effect of reducing power consumption by the energy saving drying course can be obtained. That is, the object to be cleaned 3 is dried only by driving the air blowing unit without heating the object to be cleaned 3 by the heating unit.
- the method of charging the rinse agent is not limited to the above.
- the rinse agent may be directly supplied into the mixed water particle generator 25.
- the rinsing agent charging unit 11 may be integrated with the mixed water particle generator 25. That is, any method may be used as long as the rinse agent is dissolved in the clean water used for the second mixed water particles.
- a water purification filter 26 is provided in order to prevent scale accumulation on the mixed water particle generating unit 28.
- the clean water before being sent to the mixed water particle generating unit 28 in the pretreatment may be once heated to 70 ° C. or higher to cause the scale component to precipitate or the scale component removing agent to be used periodically.
- the mixed water particle supply port 29 should be installed on the side surface from the bottom of the cleaning tank 1 so that dirt components being cleaned do not enter the mixed water particle generator 25. Furthermore, if it is the size of the washing tank 1 of a normal household dishwasher, the mixed water particle supply port 29 can sufficiently supply the second mixed water particles throughout the washing tank 1 even at one location. However, a plurality of mixed water particle supply ports 29 may be provided for more reliable and efficient treatment. Moreover, the installation location of the mixed water particle supply port 29 is not limited to the bottom and side surfaces of the cleaning tank 1 and may be provided at other locations such as the top. For example, a plurality of mixed water particle supply ports 29 may be provided in the injection nozzle, and the second mixed water particles may be supplied while rotating. Further, it is desirable to use a material having a heat-resistant temperature of 100 ° C. or higher as the location where water vapor is applied immediately after the supply and the constituent material in the apparatus where the water vapor is generated.
- the tableware washing apparatus of the present invention can be applied to uses such as household and commercial dishwashing apparatuses and various industrial dishwashing and drying apparatuses.
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- Washing And Drying Of Tableware (AREA)
Abstract
Description
図1は、本発明の実施の形態1の食器洗浄装置の立面図である。被洗浄物3は、洗浄槽1の食器カゴ2にセットされ、収容されている。洗浄槽1には、洗浄槽1内に水道水等の清浄水の給水を行うための給水部4が備えられている。洗浄槽1の底部外壁には、洗浄およびすすぎに使用した排水を洗浄槽1の外部に排出する排水部5と、貯水部6に貯水された洗浄水を圧送する洗浄ポンプ7とが設けられている。貯水部6には、洗浄水が貯められる。洗浄槽1の底部内壁には、洗浄ポンプ7と接続するとともに洗浄水を被洗浄物3に噴射する洗浄ノズル8と、洗浄水を加熱する第1の加熱部9と、沸騰により水蒸気からミストの大きさの水粒子を発生させる水粒子発生装置10とが設けられている。さらに、洗浄槽1の側面に、リンス剤投入部11と、リンス剤投入口12とが設置されている。ここでリンス剤投入部11は、リンス剤を貯留し必要なタイミングにて洗浄槽1内にリンス剤を投入する。リンス剤投入口12の高さ位置は、給水部4と貯水部6との高さの間になるように設置されている。そしてリンス剤は、給水時に洗浄槽1に給水された水が貯水部6に流れ込むまでの間に、供給される水流に混入される。 (Embodiment 1)
FIG. 1 is an elevation view of the tableware washing apparatus according to
図4は、本発明の実施の形態2の食器洗浄装置の立面図である。本発明の実施の形態2では、実施の形態1と同じ構成要素には同一の符号を附し、その詳細な説明は省略する。 (Embodiment 2)
FIG. 4 is an elevation view of the tableware washing apparatus according to the second embodiment of the present invention. In the second embodiment of the present invention, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
図5は本発明の実施の形態3の食器洗浄装置の立面図、図6は同食器洗浄装置の混合水粒子発生装置の立面図である。本発明の実施の形態3では、実施の形態1および2と同じ構成要素については同一符号を附し、その詳細な説明は省略する。 (Embodiment 3)
FIG. 5 is an elevation view of the tableware washing apparatus according to
図11は本発明の実施の形態4の食器洗浄装置の立面図、図12は同食器洗浄装置のシーケンス概要図である。本発明の実施の形態4では、実施の形態1~3と同じ構成要素には同一の符号を附し、その詳細な説明は省略する。 (Embodiment 4)
FIG. 11 is an elevation view of the tableware washing apparatus according to
図13は本発明の実施の形態5の食器洗浄装置の立面図、図14は同食器洗浄装置のシーケンス概要図である。本発明の実施の形態5では、実施の形態1~4と同じ構成要素については同一の符号を附し、その詳細な説明は省略する。 (Embodiment 5)
FIG. 13 is an elevation view of the tableware washing apparatus according to the fifth embodiment of the present invention, and FIG. 14 is a sequence schematic diagram of the tableware washing apparatus. In the fifth embodiment of the present invention, the same components as those in the first to fourth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
図15は、本発明の実施の形態6の食器洗浄装置の立面図である。本発明の実施の形態6では、実施の形態1~5と同じ構成要素には同一符号を附し、その詳細な説明は省略する。 (Embodiment 6)
FIG. 15 is an elevation view of the tableware washing apparatus according to the sixth embodiment of the present invention. In the sixth embodiment of the present invention, the same components as those in the first to fifth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
図16は、本発明の実施の形態7の食器洗浄装置の立面図である。本発明の実施の形態7では、実施の形態1~6と同じ構成要素については同一の符号を附し、その詳細な説明は省略する。 (Embodiment 7)
FIG. 16 is an elevation view of the tableware washing apparatus according to the seventh embodiment of the present invention. In the seventh embodiment of the present invention, the same components as those in the first to sixth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
図17は、本発明の実施の形態8の食器洗浄装置の立面図である。本発明の実施の形態8では、実施の形態1~7と同じ構成要素には同一符号を附し、その詳細な説明は省略する。 (Embodiment 8)
FIG. 17 is an elevation view of the tableware washing apparatus according to the eighth embodiment of the present invention. In the eighth embodiment of the present invention, the same components as those in the first to seventh embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.
2 食器カゴ
3 被洗浄物
4 給水部
5 排水部
6 貯水部
7 洗浄ポンプ
8 洗浄ノズル
9 第1の加熱部
10 水粒子発生装置(水粒子発生器)
11 リンス剤投入部
12 リンス剤投入口
13 制御部
14 給水弁
15,17,23,27,31,43 経路
16 給水口
18 水粒子放出口
19,38,41 別室
20 超音波振動子(水粒子発生器)
21 第2の加熱部
22,37,39,47 水位検知センサー
24,35,40,44,45 開閉扉
25 混合水粒子発生装置(水粒子発生器)
26 浄水フィルター
28 混合水粒子発生部
29 混合水粒子供給口
30 給水ポンプ
32 汚れセンサー
33 汚れ量が多い時のシーケンス(洗浄工程中にリンス剤が洗浄水に溶解されるようにしたシーケンス)
34 汚れ量が少ない時のシーケンス(最終回のすすぎ以外のすすぎ工程においてリンス剤が洗浄水に溶解されるようにしたシーケンス)
36 水粒子発生箇所
42 水粒子加熱部
46 リンスイン水粒子発生箇所
48 排水経路 DESCRIPTION OF
DESCRIPTION OF
21
26
34 Sequence when the amount of dirt is small (sequence in which the rinse agent is dissolved in the washing water in the rinsing process other than the final rinse)
36 Water
Claims (11)
- 洗浄工程と複数回のすすぎを行うすすぎ工程とを有する食器洗浄装置であって、
被洗浄物を収容するための洗浄槽と、
前記洗浄槽に清浄水を供給する給水部と、
前記洗浄槽に貯水された洗浄水を圧送する洗浄ポンプと、
前記洗浄ポンプと接続するとともに前記洗浄水を前記被洗浄物に噴射する洗浄ノズルと、
前記洗浄槽内に設けられるとともに前記洗浄水または前記清浄水の水蒸気からミストの大きさの水粒子を発生させる水粒子発生装置とを備え、
前記洗浄工程と前記すすぎ工程とのどちらかの工程においてリンス剤が前記洗浄槽内に供給されるとともに、前記リンス剤の供給以降の最終回のすすぎにおいて、前記被洗浄物に前記水粒子を付着させる水粒子すすぎが行われることを特徴とする食器洗浄装置。 A dishwashing apparatus having a washing step and a rinsing step for rinsing a plurality of times,
A cleaning tank for storing the objects to be cleaned;
A water supply unit for supplying clean water to the washing tank;
A cleaning pump for pumping cleaning water stored in the cleaning tank;
A cleaning nozzle connected to the cleaning pump and spraying the cleaning water onto the object to be cleaned;
A water particle generator that is provided in the cleaning tank and generates water particles of mist size from the water of the cleaning water or the clean water;
In one of the cleaning step and the rinsing step, a rinsing agent is supplied into the cleaning tank, and the water particles adhere to the object to be cleaned in the final rinse after the rinsing agent is supplied. A dishwashing apparatus characterized by rinsing water particles. - 前記洗浄工程中に前記リンス剤が前記洗浄水に投入されることを特徴とする請求項1に記載の食器洗浄装置。 2. The dishwashing apparatus according to claim 1, wherein the rinse agent is poured into the washing water during the washing step.
- 前記すすぎ工程の最終直前のすすぎにおいて、前記リンス剤が前記洗浄水に投入されることを特徴とする請求項1に記載の食器洗浄装置。 2. The dishwashing apparatus according to claim 1, wherein the rinse agent is poured into the washing water in the last rinsing immediately before the rinsing step.
- 前記水粒子発生装置は前記リンス剤を含む前記洗浄水または前記清浄水の前記水粒子であるリンスイン水粒子を発生させ、前記リンス剤の供給が前記最終回のすすぎにおいて前記水粒子発生装置が駆動する直前または駆動する時に行なわれることを特徴とする請求項1に記載の食器洗浄装置。 The water particle generator generates rinse-in water particles that are the water particles of the cleaning water or the clean water containing the rinse agent, and the water particle generator is driven when the rinse agent is supplied in the final rinse. The dishwashing apparatus according to claim 1, wherein the dishwashing apparatus is performed immediately before or when the dish is driven.
- 前記水粒子発生装置は、前記洗浄水を貯める貯水部に備えられ前記洗浄水を加熱する第1の加熱部であり、前記第1の加熱部が前記洗浄水を沸騰させ前記水粒子を発生させることを特徴とする請求項1に記載の食器洗浄装置。 The water particle generator is a first heating unit that is provided in a water storage unit that stores the cleaning water and that heats the cleaning water, and the first heating unit boils the cleaning water to generate the water particles. The tableware washing apparatus according to claim 1.
- 前記水粒子発生装置は、前記清浄水を加熱する第2の加熱部であり、前記第2の加熱部が前記清浄水を沸騰させ前記水粒子を発生させることを特徴とする請求項1に記載の食器洗浄装置。 The said water particle generator is a 2nd heating part which heats the said clean water, The said 2nd heating part boils the said clean water, and generates the said water particle. Dishwashing equipment.
- 前記水粒子発生装置は超音波振動子または噴霧ノズルにより前記水粒子を発生させることを特徴とする請求項1に記載の食器洗浄装置。 2. The dishwashing apparatus according to claim 1, wherein the water particle generator generates the water particles by an ultrasonic vibrator or a spray nozzle.
- 前記水粒子発生装置は、前記清浄水を沸騰させて発生させた前記水蒸気と前記ミストとから構成される第1の混合水粒子を前記洗浄槽に供給することを特徴とする請求項1に記載の食器洗浄装置。 The said water particle generator supplies the 1st mixed water particle comprised from the said water vapor | steam generated by boiling the said clean water and the said mist to the said washing tank, The Claim 1 characterized by the above-mentioned. Dishwashing equipment.
- 前記水粒子発生装置は、瞬間沸騰型の水粒子加熱部と、前記第1の混合水粒子を前記洗浄槽内に供給する水粒子供給口へ前記清浄水を送る給水ポンプとを備えたことを特徴とする請求項8に記載の食器洗浄装置。 The water particle generator includes an instantaneous boiling water particle heating unit, and a water supply pump that sends the clean water to a water particle supply port that supplies the first mixed water particles into the cleaning tank. The tableware washing apparatus according to claim 8, wherein
- 前記水粒子発生装置は、前記洗浄水を沸騰させて発生させた水蒸気と前記リンス剤を含む前記清浄水を沸騰させて発生させた前記ミストとから構成される第2の混合水粒子を、前記洗浄槽内に供給することを特徴とする請求項4に記載の食器洗浄装置。 The water particle generating device includes second mixed water particles composed of water vapor generated by boiling the wash water and the mist generated by boiling the clean water containing the rinse agent. The dish washing apparatus according to claim 4, wherein the dish washing apparatus is supplied into a washing tank.
- 前記すすぎ工程の後に少なくとも送風部により前記被洗浄物の乾燥を行う乾燥工程を備え、前記水粒子すすぎは前記乾燥工程の直前に前記水粒子発生装置が前記被洗浄物の表面温度を70℃以上にするまで行われ、前記第1の加熱部により前記被洗浄物を加熱することなく前記送風部の駆動のみにより前記被洗浄物の乾燥を行うことを特徴とする請求項5に記載の食器洗浄装置。 After the rinsing step, a drying step of drying the object to be cleaned by at least a blower unit is provided, and the water particle rinsing device has a surface temperature of the object to be cleaned of 70 ° C. or more immediately before the drying step. 6. The dishwashing according to claim 5, wherein the object to be cleaned is dried only by driving the blower unit without heating the object to be cleaned by the first heating unit. apparatus.
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WO2013053797A1 (en) * | 2011-10-11 | 2013-04-18 | BSH Bosch und Siemens Hausgeräte GmbH | Water-bearing household appliance with an atomisation device and method for operation thereof |
JP2014012097A (en) * | 2012-07-05 | 2014-01-23 | Panasonic Corp | Dishwasher |
WO2022146305A1 (en) * | 2020-12-30 | 2022-07-07 | Arcelik Anonim Sirketi | A dishwasher providing disinfection |
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JP6394884B2 (en) * | 2014-11-06 | 2018-09-26 | Toto株式会社 | Water discharge device |
DE102017212313A1 (en) * | 2017-07-19 | 2019-01-24 | BSH Hausgeräte GmbH | Household dishwasher and method for operating a household dishwasher |
JP7209141B2 (en) * | 2018-07-13 | 2023-01-20 | パナソニックIpマネジメント株式会社 | dish dryer |
KR102084181B1 (en) * | 2018-11-20 | 2020-03-04 | 한국지역난방공사 | Absorptive dehumidifying dish wash-dryer using outside heat |
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WO2022146305A1 (en) * | 2020-12-30 | 2022-07-07 | Arcelik Anonim Sirketi | A dishwasher providing disinfection |
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