CN114286637A - Cleaning device - Google Patents
Cleaning device Download PDFInfo
- Publication number
- CN114286637A CN114286637A CN202080061238.9A CN202080061238A CN114286637A CN 114286637 A CN114286637 A CN 114286637A CN 202080061238 A CN202080061238 A CN 202080061238A CN 114286637 A CN114286637 A CN 114286637A
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- CN
- China
- Prior art keywords
- cleaning
- cleaning liquid
- supply
- hot water
- stock
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 238000004140 cleaning Methods 0.000 title claims abstract description 303
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 235000013361 beverage Nutrition 0.000 claims abstract description 72
- 239000011550 stock solution Substances 0.000 claims abstract description 58
- 235000015073 liquid stocks Nutrition 0.000 claims abstract description 42
- 230000002378 acidificating effect Effects 0.000 claims abstract description 40
- 239000000243 solution Substances 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 description 43
- 238000000034 method Methods 0.000 description 38
- 238000003756 stirring Methods 0.000 description 33
- 235000014666 liquid concentrate Nutrition 0.000 description 16
- 235000020124 milk-based beverage Nutrition 0.000 description 16
- 238000012545 processing Methods 0.000 description 16
- 235000013336 milk Nutrition 0.000 description 13
- 239000008267 milk Substances 0.000 description 13
- 210000004080 milk Anatomy 0.000 description 13
- 239000002253 acid Substances 0.000 description 12
- 238000007493 shaping process Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 239000003513 alkali Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010060800 Hot flush Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000020185 raw untreated milk Nutrition 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/60—Cleaning devices
-
- 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
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/07—Cleaning beverage-dispensing apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Devices For Dispensing Beverages (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
When a cleaning unit (cleaning device) (60) is applied to a beverage supply device (1) that supplies a beverage to a cup (C) through a beverage supply path (27) or the like and a cleaning instruction is given, the cleaning unit (60) supplies an alkaline cleaning liquid stock and an acidic cleaning liquid stock stored in cleaning liquid stock storage units (65, 66) to the beverage supply path (27) or the like separately from hot water to perform cleaning, and the cleaning unit (60) includes: a common cleaning stock solution supply pipe (62) for supplying an alkaline cleaning stock solution and an acidic cleaning stock solution; a switching valve (62a) which allows either one of the alkaline cleaning liquid stock and the acidic cleaning liquid stock to pass through the cleaning liquid stock supply pipe (62); a cleaning raw liquid supply pump (62b) which supplies the cleaning raw liquid selected by the switching valve (62a) to the beverage supply path (27) and the like when driven; when a cleaning command is given, the control unit (100) controls the open/close state of the switching valve (62a) to restrict the alkaline cleaning solution from remaining in the cleaning solution supply pump (62 b).
Description
Technical Field
The present invention relates to a cleaning device, and more particularly, to a cleaning device for cleaning a beverage supply path, which is applied to a beverage supply device for supplying a beverage to a container through the beverage supply path.
Background
Conventionally, for example, patent document 1 proposes a cleaning device for cleaning a beverage supply path, which is applied to a beverage supply device for supplying a beverage to a container through the beverage supply path.
In this cleaning device, when a cleaning command is given, first, the first cleaning stock solution supply pump is driven to mix the alkaline cleaning stock solution stored in the cleaning stock solution storage unit with cleaning hot water, which is hot water supplied from the hot water storage unit for generating pressurized steam constituting the beverage, in the mixing container to generate the alkaline cleaning solution. Then, the mixing container is brought into communication with the drink supply path, and an alkaline cleaning liquid is supplied to the drink supply path, and then, hot water supplied from the hot water storage unit is supplied to the drink supply path as hot flush water.
Next, the cleaning device drives the second cleaning stock solution supply pump to mix the acidic cleaning stock solution stored in the cleaning stock solution storage portion with the cleaning hot water in the mixing container, thereby generating an acidic cleaning solution. Then, the mixing container is brought into communication with the drink supply path, and an acidic cleaning liquid is supplied to the drink supply path, and then, hot water supplied from the hot water storage unit is supplied to the drink supply path as hot flush water.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2017-105489
Disclosure of Invention
Problems to be solved by the invention
In the above-described washing apparatus, the first washing stock solution supply pump is driven to supply the alkaline washing stock solution, and the second washing stock solution supply pump is driven to supply the acidic washing stock solution, so that the supply of the alkaline washing stock solution and the supply of the acidic washing stock solution are performed in separate paths. Therefore, the alkaline cleaning liquid remains in the first cleaning liquid supply pump.
In general, an alkaline cleaning liquid stock is more corrosive or the like than an acidic cleaning liquid stock, and a rubber material such as a fluorine-based rubber is deteriorated earlier in the first cleaning liquid stock supply pump in which the alkaline cleaning liquid stock remains, and as a result, the service life may be reduced.
The present invention has been made in view of the above circumstances, and an object thereof is to provide a cleaning apparatus capable of suppressing a reduction in service life.
Means for solving the problems
In order to achieve the above object, a cleaning device according to the present invention is applied to a beverage supply device for supplying a beverage to a container through a beverage supply path, and when a cleaning command is given, the cleaning device cleaning the beverage supply path by supplying an alkaline cleaning liquid stock and an acidic cleaning liquid stock, which are stored in a cleaning liquid stock storage unit, to the beverage supply path separately from hot water stored in a hot water storage unit, the cleaning device including: a common cleaning stock solution supply path for supplying the alkaline cleaning stock solution and the acidic cleaning stock solution; a switching valve provided in the cleaning liquid stock supply path and configured to allow either one of the alkaline cleaning liquid stock and the acidic cleaning liquid stock to pass through the cleaning liquid stock supply path; a supply pump provided in the cleaning liquid supply path and configured to supply the cleaning liquid selected by the switching valve to the drink supply path when the supply pump is driven; and a control unit that controls an open/close state of the switching valve to restrict the alkaline cleaning solution from remaining in the supply pump when the cleaning instruction is given.
In the washing apparatus according to the present invention, when the washing command is given, the control unit controls the open/close state of the switching valve so that the acidic washing stock solution is supplied after the basic washing stock solution is supplied, thereby restricting the basic washing stock solution from remaining in the supply pump.
In the above washing apparatus of the present invention, the switching valve allows any one of the alkaline washing stock solution, the acidic washing stock solution, and the water to pass through the washing stock solution supply path, and when the washing command is given, the control unit controls the open/close state of the switching valve so that the acidic washing stock solution is supplied after the alkaline washing stock solution is supplied, and the water is supplied thereafter, thereby restricting the alkaline washing stock solution from remaining in the supply pump.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, the switching valve provided in the common cleaning liquid supply path for supplying the alkaline cleaning liquid concentrate and the acidic cleaning liquid concentrate allows either the alkaline cleaning liquid concentrate or the acidic cleaning liquid concentrate to pass through the cleaning liquid concentrate supply path, the supply pump provided in the cleaning liquid concentrate supply path supplies the cleaning liquid concentrate selected by the switching valve to the drink supply path when the supply pump is driven, and the control unit controls the open/closed state of the switching valve to restrict the alkaline cleaning liquid concentrate from remaining in the supply pump when the control unit receives a cleaning command, thereby achieving the following effects: it is possible to prevent a rubber material such as a fluorine-based rubber constituting the supply pump from being deteriorated early and suppress a decrease in service life.
Drawings
Fig. 1 is a schematic view schematically showing the structure of a beverage supply device to which a cleaning device as an embodiment of the present invention is applied.
Fig. 2 is a longitudinal sectional view showing the diffuser portion shown in fig. 1.
Fig. 3 is a perspective view showing the cleaning dope check valve shown in fig. 2.
Fig. 4 is a perspective view showing the cleaning liquid check valve shown in fig. 2.
Fig. 5 is a flowchart showing the processing contents of the cleaning control process performed by the control unit shown in fig. 1.
Fig. 6 is a flowchart showing the processing contents of the pre-flush processing shown in fig. 5.
Fig. 7 is a flowchart showing the processing contents of the alkali cleaning process shown in fig. 5.
Fig. 8 is a flowchart showing the processing contents of the alkali cleaning rinsing process shown in fig. 5.
Fig. 9 is a flowchart showing the processing contents of the acid cleaning process shown in fig. 5.
Fig. 10 is a flowchart showing the processing contents of the acid cleaning rinsing process shown in fig. 5.
Fig. 11 is a schematic view schematically showing a main part of a modification of the cleaning apparatus according to the embodiment of the present invention.
Detailed Description
Preferred embodiments of the cleaning device according to the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view schematically showing the structure of a beverage supply device to which a cleaning device as an embodiment of the present invention is applied. The beverage supply device 1 exemplified here supplies milk as a milk beverage in a foamed state to a cup C as a container, and the beverage supply device 1 is configured to include a steam supply unit 20, a raw liquid supply unit 30, an air supply unit 40, a stirring unit 50, a forming unit 52, a nozzle unit 54, and a cleaning unit (cleaning device) 60.
The steam supply unit 20 includes a steam tank 21, a first steam supply pipe 22, and a second steam supply pipe 23. The steam tank 21 is connected to a hot water tank 25 through a hot water supply pipe 24. Here, the hot water tank 25 is a hot water storage unit for storing hot water, and the hot water tank 25 heats water supplied from a water supply unit not shown and stores the water as hot water. The hot water supply pipe 24 has one end connected to the hot water tank 25 and the other end connected to the steam tank 21, thereby connecting the hot water tank 25 to the steam tank 21. A hot water supply pump 24a is provided in the middle of the hot water supply pipe 24. The hot water supply pump 24a is driven in accordance with a command supplied from the control unit 100, and when driven, hot water is supplied from the hot water tank 25 to the steam tank 21. Here, the control unit 100 collectively controls the operations of the respective units of the beverage supply apparatus 1 including the cleaning unit 60 according to a program and data stored in a memory, not shown.
The steam tank 21 heats hot water supplied from the hot water tank 25 through the hot water supply pipe 24 to generate pressurized steam. Thereby, the hot water tank 25 stores hot water for generating pressurized steam.
The first steam supply pipe 22 has one end connected to the steam tank 21 and the other end connected to the stirring section 50, thereby connecting the steam tank 21 to the stirring section 50. A first steam supply valve 22a and a first steam check valve 22b are disposed in the middle of the first steam supply pipe 22. The first steam supply valve 22a is opened and closed in accordance with a command supplied from the control unit 100. The first vapor supply valve 22a, when open, allows pressurized vapor to pass through the first vapor supply pipe 22. In addition, the first steam supply valve 22a restricts the passage of the pressurized steam through the first steam supply pipe 22 when closed. The first steam check valve 22b allows the passage of fluid (pressurized steam) from the steam tank 21 to the stirring section 50, while restricting the passage of fluid from the stirring section to the steam tank 21.
The second vapor supply pipe 23 has one end connected to the vapor tank 21 and the other end connected to the first connection portion 26, thereby connecting the vapor tank 21 to the first connection portion 26, and the first connection portion 26 can be connected to the raw liquid supply portion 30 and the cleaning portion 60. Here, the first connection portion 26 is attached to one end of the liquid supply pipe 27 connected to the stirring portion 50. The liquid supply pipe 27 is provided with a liquid check valve 27 a. The liquid check valve 27a allows the passage of fluid from the first connecting portion 26 to the stirring portion 50, while restricting the passage of fluid from the stirring portion 50 to the first connecting portion 26.
A second steam supply valve 23a and a second steam check valve 23b are disposed in the middle of the second steam supply pipe 23. The second steam supply valve 23a is opened and closed in accordance with a command supplied from the control unit 100. The second vapor supply valve 23a allows the pressurized vapor to pass through the second vapor supply pipe 23 with being opened. In addition, the second steam supply valve 23a restricts the passage of the pressurized steam through the second steam supply pipe 23 when closed. The second vapor check valve 23b allows passage of fluid (pressurized vapor) from the vapor tank 21 to the first connection portion 26, while restricting passage of fluid from the first connection portion 26 to the vapor tank 21.
The raw liquid supply unit 30 includes a bag-in-box (hereinafter also referred to as BIB)31, a tube pump 32, and a second connection unit 33.
The BIB31 is configured to accommodate a bag-shaped container in which a raw liquid (hereinafter, also referred to as a milk raw liquid) for a milk beverage (milk in a foamy state) to be supplied to the cup C is sealed. The BIB31 is disposed in a cold box (not shown) of the beverage supply device 1. Here, the cold box is a chamber of an insulating structure provided inside the apparatus main body 10a of the beverage supplying apparatus 1.
The tube pump 32 is provided inside the heat-insulating box below the BIB 31. The tube pump 32 is driven in accordance with a command supplied from the control unit 100, and when driven, the tube 34 connected to the BIB31 is crushed by a plurality of rollers or the like, and the milk raw liquid of the BIB31 is drawn out. The second connection portion 33 is a connector that is attached to the distal end portion of the tube 34 connected to the BIB31 and is connectable to the first connection portion 26.
The air supply unit 40 includes an air supply pipe 41. The air supply pipe 41 has one end connected to the air pump 42 and the other end connected to the stirring part 50, thereby connecting the air pump 42 to the stirring part 50. The air pump 42 is driven in accordance with a command supplied from the control unit 100, and when driven, compresses air and then sends out the compressed air through the air supply pipe 41.
An air check valve 41a is disposed in the middle of the air supply pipe 41. The air check valve 41a allows the passage of fluid (compressed air) from the air pump 42 to the stirring section 50, while restricting the passage of fluid from the stirring section 50 to the air pump 42.
The stirring section 50 mixes the pressurized steam supplied through the first steam supply pipe 22 with the milk stock solution supplied through the liquid supply pipe 27 to heat the milk stock solution, and mixes the compressed air supplied through the air supply pipe 41, thereby producing a milk beverage in a slightly foamed state.
The forming section 52 is connected to the stirring section 50 via a beverage delivery pipe 51. The forming section 52 foams the milk beverage delivered from the stirring section 50 through the beverage delivery pipe 51.
The nozzle 54 is connected to the forming section 52 via a beverage discharge passage not shown. The nozzle 54 supplies the milk beverage (milk beverage in a foamed state) sent from the forming unit 52 through the beverage outlet passage to the cup C.
As described above, in the present embodiment, the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage lead-out passage, and the nozzle portion 54 constitute a beverage supply path for supplying the milk beverage.
The cleaning unit 60 includes a diffuser 61, a cleaning raw liquid supply pipe 62, a cleaning supply pipe 63, and a cleaning hot water supply pipe 64, and some of these pipes are provided in a storage 10b different from the apparatus main body 10 a.
Fig. 2 is a longitudinal sectional view showing the diffuser portion 61 shown in fig. 1. The diffusion portion 61 will be described with reference to fig. 2 as appropriate. The diffuser portion 61 is configured in a bottomed cylindrical shape, and the diffuser portion 61 has a cylindrical side portion 611 and a bottom portion in a conical shape having a lowest position at a central portion thereof so that a cross-sectional area thereof gradually decreases downward. Further, the upper surface opening 611a of the diffusion portion 61 is blocked by the cover 613.
One end of the cleaning stock solution supply pipe 62 is branched into two, and one of them is connected to a first cleaning stock solution housing portion 65 that houses an alkaline cleaning stock solution (hereinafter also referred to as alkaline cleaning stock solution), and the other is connected to a second cleaning stock solution housing portion 66 that houses an acidic cleaning stock solution (hereinafter also referred to as acidic cleaning stock solution).
The other end of the cleaning solution supply pipe 62 to which a cleaning solution check valve 70 called a so-called duckbill valve is attached is connected to the side 611 of the diffuser 61. More specifically, the other end of the cleaning solution supply pipe 62 is connected to the side portion 611 so that the cleaning solution check valve 70 attached to the other end protrudes toward the central axis L of the diffuser portion 61 through the side portion 611 of the diffuser portion 61. Here, as shown in fig. 3, in a normal state, the discharge opening 71 is closed by the elastic restoring force of the component 72 constituting the discharge opening 71, and the cleaning stock solution check valve 70 is closed, and as shown in fig. 4, when the cleaning stock solution flows through the cleaning stock solution supply pipe 62, the component 72 constituting the discharge opening 71 is elastically deformed to open the discharge opening 71, and the cleaning stock solution is discharged.
A switching valve 62a and a cleaning liquid supply pump 62b are disposed in the middle of the cleaning liquid supply pipe 62. The switching valve 62a is provided at a branch point of the cleaning liquid stock supply pipe 62, and the switching valve 62a is selection means for allowing either one of the alkaline cleaning liquid stock and the acidic cleaning liquid stock to pass through the cleaning liquid stock supply pipe 62 in accordance with a command supplied from the control unit 100.
The cleaning liquid raw supply pump 62b is driven in accordance with a command supplied from the control unit 100, and when driven, supplies the cleaning liquid raw selected by the switching valve 62a to the diffuser 61. In this way, the cleaning stock solution supply pipe 62 constitutes a common cleaning stock solution supply path for supplying the alkaline cleaning stock solution and the acidic cleaning stock solution.
The cleaning supply pipe 63 has one end connected to the diffuser 61 and the other end connected to the third connection 68, thereby connecting the diffuser 61 to the third connection 68. As shown in fig. 2, one end of the cleaning supply pipe 63 is connected to the diffusion portion 61 so as to communicate with an ejection port 612a provided in the bottom portion 612 of the diffusion portion 61. The third connection portion 68 is a connector connectable to the first connection portion 26.
A purge check valve 63a is disposed in the middle of the purge supply pipe 63. The cleaning check valve 63a allows the passage of the fluid from the diffuser 61 to the third connection portion 68, and restricts the passage of the fluid from the third connection portion 68 to the diffuser 61.
One end of the hot water supply pipe 64 is connected to the hot water supply pipe 24 on the upstream side of the hot water supply pump 24 a. The other end of the cleaning hot water supply pipe 64 is connected to the diffuser 61 so as to communicate with a hot water supply port 613a of a cover 613 provided in the diffuser 61. The hot water supply port 613a is provided on the central axis L of the diffuser 61 in the same manner as the discharge port 612 a.
A hot washing water pump 64a is disposed in the middle of the hot washing water supply pipe 64. The hot water cleaning pump 64a is driven in accordance with an instruction supplied from the control unit 100, and when driven, hot water is supplied from the hot water tank 25 to the diffuser 61.
In the beverage supply device 1 having the above-described configuration, milk can be supplied to the cup C in a foamed state as follows.
It is assumed that the first vapor supply valve 22a is opened by the control portion 100 and the tube pump 32 and the air pump 42 are driven. In addition, the second vapor supply valve 23a is closed. The first connection portion 26 is connected to the second connection portion 33, and the third connection portion 68 is disconnected from the first connection portion 26.
Thus, the tube pump 32 is driven to pump the milk raw liquid of the BIB31 into the raw liquid supply portion 30. The milk stock solution drawn from the BIB31 passes through the liquid supply tube 27 after passing through the tube 34. The milk raw liquid passing through the liquid supply pipe 27 reaches the stirring section 50.
The pressurized steam generated in the steam tank 21 reaches the stirring section 50 through the first steam supply pipe 22 by opening the first steam supply valve 22 a. Further, by driving the air pump 42, the compressed air reaches the stirring section 50 through the air supply pipe 41.
In the stirring section 50, the raw milk is heated by the pressurized steam. In the stirring section 50, the compressed air is introduced to mix with the milk stock solution heated by the pressurized steam, thereby producing a milk beverage. Here, the produced milk beverage is slightly foamed by the compressed air. The milk beverage produced in the stirring section 50 in this manner reaches the forming section 52 through the beverage delivery pipe 51.
In the forming section 52, the milk beverage comes into contact with a wall surface or the like, and the amount of foaming of the milk beverage increases, thereby foaming. The milk drink thus foamed is sent to the nozzle 54 through the drink discharge passage, and is discharged to the cup C by the nozzle 54, whereby the milk drink is supplied.
Next, as shown in fig. 2, in a state where the second connection portion 33 is disconnected from the first connection portion 26 and the third connection portion 68 is connected to the first connection portion 26, the user performs an input operation through a predetermined input unit (not shown), and as a result, the control portion 100 performs the cleaning control process when the control portion 100 is supplied with the cleaning instruction. In the following, it is assumed that the valves are closed and the pumps are stopped from being driven.
Fig. 5 is a flowchart showing the processing content of the cleaning control process performed by the control unit 100. In the cleaning control process, the control unit 100 performs a pre-washing process (step S100).
Fig. 6 is a flowchart showing the processing contents of the pre-flush processing shown in fig. 5. In the pre-flush processing, the control unit 100 drives the hot washing water pump 64a by sending a drive command to the hot washing water pump 64a (step S101), starts time measurement by a built-in timer unit (not shown), and waits for a preset drive time to elapse (step S102).
Thereby, hot water is supplied as cleaning hot water from the hot water tank 25 to the diffuser 61 through the cleaning hot water supply pipe 64. The hot water supplied to the diffuser portion 61 flows from top to bottom along the central axis L of the diffuser portion 61 inside the diffuser portion 61, is discharged to the cleaning supply pipe 63 through the discharge port 612a, and passes through the cleaning supply pipe 63. The hot water having passed through the cleaning supply pipe 63 passes through the first connection part 26, the liquid supply pipe 27, the stirring part 50, the beverage delivery pipe 51, the shaping part 52, the beverage delivery passage, and the nozzle part 54, which constitute the beverage supply path, as cleaning hot water.
When the driving time has elapsed (step S102: yes), the control unit 100 sends a driving stop instruction to the hot water cleaning pump 64a to stop driving the hot water cleaning pump 64a (step S103), and gives an opening instruction to the second steam supply valve 23a to open the second steam supply valve 23a (step S104). In this way, the controller 100 that opens the second vapor supply valve 23a starts time measurement by the timer unit and waits for a preset opening time to elapse (step S105).
Thus, by opening the second steam supply valve 23a until the opening time elapses, the hot water supplied in step S101 can be blown off by the pressurized steam having passed through the second steam supply pipe 23 through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage discharge passage, and the nozzle portion 54.
When the open time has elapsed (step S105: "yes"), the control unit 100 sends a close command to the second steam supply valve 23a to close the second steam supply valve 23a (step S106), and then returns to the process to end the pre-flush process of this time.
The control unit 100 thus subjected to the preliminary rinsing process performs the alkali cleaning process (step S200).
Fig. 7 is a flowchart showing the processing contents of the alkali cleaning process shown in fig. 5. In the alkali cleaning process, the control unit 100 sends a command to the switching valve 62a to control the switching valve 62a so that the alkaline cleaning liquid concentrate passes through the cleaning liquid concentrate supply pipe 62 (step S201), and sends a drive command to the hot cleaning water pump 64a to drive the hot cleaning water pump 64a (step S202).
Thereby, hot water is supplied as cleaning hot water from the hot water tank 25 to the diffuser 61 through the cleaning hot water supply pipe 64. The hot water supplied to the diffuser portion 61 flows from top to bottom along the central axis L of the diffuser portion 61 inside the diffuser portion 61, is discharged to the cleaning supply pipe 63 through the discharge port 612a, and passes through the cleaning supply pipe 63.
Thereafter, the control unit 100 intermittently drives the washing raw liquid supply pump 62b by intermittently sending a drive command to the washing raw liquid supply pump 62b (step S203), starts time measurement by the timer unit, and waits for a preset drive time to elapse (step S204).
Thus, the alkaline cleaning liquid concentrate is intermittently discharged into the diffuser 61 through the cleaning liquid concentrate supply pipe 62 by the discharge opening 71 of the cleaning liquid concentrate check valve 70, and the alkaline cleaning liquid concentrate is intermittently supplied to the diffuser 61. The alkaline cleaning liquid supplied intermittently to the diffuser portion 61 in this way collides with the hot water flowing from the top to the bottom inside the diffuser portion 61 and is diffused into the hot water. Thus, the alkaline cleaning liquid is discharged to the cleaning supply pipe 63 through the discharge port 612a in a state of being diffused into the hot water, and after passing through the cleaning supply pipe 63, passes through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage lead-out passage, and the nozzle portion 54, which constitute the beverage supply path.
When the drive time has elapsed (yes in step S204), the control unit 100 sends a stop drive command to the cleaning raw liquid supply pump 62b to stop driving the cleaning raw liquid supply pump 62b (step S205), sends a stop drive command to the hot cleaning water pump 64a to stop driving the hot cleaning water pump 64a (step S206), and gives an open command to the second vapor supply valve 23a to open the second vapor supply valve 23a (step S207). In this way, the controller 100 that opens the second vapor supply valve 23a starts time measurement by the timer unit and waits for a preset opening time to elapse (step S208).
Thus, by opening the second steam supply valve 23a until the opening time elapses, the hot water to which the alkaline cleaning liquid has been diffused, which is supplied in the above-described steps S201 to S206, can be blown off by the pressurized steam having passed through the second steam supply pipe 23 through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage discharge passage, and the nozzle portion 54.
When the open time has elapsed (step S208: "yes"), the control unit 100 sends a close command to the second steam supply valve 23a to close the second steam supply valve 23a (step S209), and then returns to the process to end the alkaline cleaning process of this time.
The control unit 100 thus subjected to the alkali cleaning process performs the alkali cleaning rinsing process (step S300).
Fig. 8 is a flowchart showing the processing contents of the alkali cleaning rinsing process shown in fig. 5. In the alkaline washing and rinsing process, the control unit 100 drives the hot washing water pump 64a by sending a drive command to the hot washing water pump 64a (step S301), starts time measurement by an internal timer unit built therein, and waits for a preset drive time to elapse (step S302).
Thereby, the hot water tank 25 supplies hot water as flushing hot water to the diffuser 61 by cleaning the hot water supply pipe 64. The hot water supplied to the diffuser portion 61 flows from top to bottom along the central axis L of the diffuser portion 61 inside the diffuser portion 61, is discharged to the cleaning supply pipe 63 through the discharge port 612a, and passes through the cleaning supply pipe 63. The hot water having passed through the cleaning supply pipe 63 passes through the first connection part 26, the liquid supply pipe 27, the stirring part 50, the beverage delivery pipe 51, the shaping part 52, the beverage delivery passage, and the nozzle part 54, which constitute the beverage supply path, as flushing hot water.
When the driving time has elapsed (yes in step S302), the control unit 100 sends a driving stop instruction to the hot water cleaning pump 64a to stop driving the hot water cleaning pump 64a (step S303), and gives an opening instruction to the second steam supply valve 23a to open the second steam supply valve 23a (step S304). In this way, the controller 100 that opens the second vapor supply valve 23a starts time measurement by the timer unit and waits for a preset opening time to elapse (step S305).
Thus, by opening the second steam supply valve 23a until the opening time elapses, the pressurized steam having passed through the second steam supply pipe 23 can blow off the hot water (flushing hot water) supplied in step S301 through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage discharge passage, and the nozzle portion 54.
When the open time has elapsed (step S305: "yes"), the control unit 100 sends a close command to the second steam supply valve 23a to close the second steam supply valve 23a (step S306), and then returns to the process to end the alkaline cleaning and rinsing process of this time.
The controller 100 thus subjected to the alkali cleaning and rinsing process performs the acid cleaning process (step S400).
Fig. 9 is a flowchart showing the processing contents of the acid cleaning process shown in fig. 5. In the acid cleaning process, the control unit 100 sends a command to the switching valve 62a to control the switching valve 62a so that the acidic cleaning liquid passes through the cleaning liquid supply pipe 62 (step S401), and sends a drive command to the hot cleaning water pump 64a to drive the hot cleaning water pump 64a (step S402).
Thereby, hot water is supplied as cleaning hot water from the hot water tank 25 to the diffuser 61 through the cleaning hot water supply pipe 64. The hot water supplied to the diffuser portion 61 flows from top to bottom along the central axis L of the diffuser portion 61 inside the diffuser portion 61, is discharged to the cleaning supply pipe 63 through the discharge port 612a, and passes through the cleaning supply pipe 63.
Thereafter, the control unit 100 intermittently drives the washing raw liquid supply pump 62b by intermittently sending a drive command to the washing raw liquid supply pump 62b (step S403), starts time measurement by the timer unit, and waits for a preset drive time to elapse (step S404).
Thus, the acidic cleaning liquid stock passes through the cleaning liquid stock supply pipe 62 and is intermittently discharged into the diffusion portion 61 by the discharge opening 71 of the cleaning liquid stock check valve 70, thereby being intermittently supplied to the diffusion portion 61. The acidic cleaning liquid supplied intermittently to the diffuser portion 61 in this manner collides with the hot water flowing from the top to the bottom inside the diffuser portion 61 and is diffused into the hot water. Thus, the acidic cleaning liquid is discharged to the cleaning supply pipe 63 through the discharge port 612a in a state of being diffused into the hot water, and after passing through the cleaning supply pipe 63, passes through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage lead-out passage, and the nozzle portion 54, which constitute the beverage supply path.
When the drive time has elapsed (step S404: yes), the control unit 100 sends a stop drive command to the cleaning raw liquid supply pump 62b to stop driving the cleaning raw liquid supply pump 62b (step S405), sends a stop drive command to the hot cleaning water pump 64a to stop driving the hot cleaning water pump 64a (step S406), and gives an open command to the second vapor supply valve 23a to open the second vapor supply valve 23a (step S407). In this way, the controller 100 that opens the second vapor supply valve 23a starts time measurement by the timer unit and waits for a preset opening time to elapse (step S408).
Thus, by opening the second steam supply valve 23a until the opening time elapses, the hot water to which the acidic cleaning liquid has been diffused, which is supplied in the above-described steps S401 to S406, can be blown off by the pressurized steam having passed through the second steam supply pipe 23 through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage lead-out passage, and the nozzle portion 54.
When the open time has elapsed (step S408: yes), the control unit 100 sends a close command to the second steam supply valve 23a to close the second steam supply valve 23a (step S409), and then returns to the process to end the present acid cleaning process.
The controller 100 thus subjected to the acid cleaning process performs the acid cleaning rinsing process (step S500).
Fig. 10 is a flowchart showing the processing contents of the acid cleaning rinsing process shown in fig. 5. In the acid washing and rinsing process, the control unit 100 drives the hot washing water pump 64a by sending a drive command to the hot washing water pump 64a (step S501), starts time measurement by an internal timer unit built therein, and waits for a preset drive time to elapse (step S502).
Thereby, the hot water tank 25 supplies hot water as flushing hot water to the diffuser 61 by cleaning the hot water supply pipe 64. The hot water supplied to the diffuser portion 61 flows from top to bottom along the central axis L of the diffuser portion 61 inside the diffuser portion 61, is discharged to the cleaning supply pipe 63 through the discharge port 612a, and passes through the cleaning supply pipe 63. The hot water having passed through the cleaning supply pipe 63 passes through the first connection part 26, the liquid supply pipe 27, the stirring part 50, the beverage delivery pipe 51, the shaping part 52, the beverage delivery passage, and the nozzle part 54, which constitute the beverage supply path, as flushing hot water.
When the driving time has elapsed (step S502: yes), the control unit 100 sends a driving stop instruction to the hot water purge pump 64a to stop driving the hot water purge pump 64a (step S503), and gives an opening instruction to the second steam supply valve 23a to open the second steam supply valve 23a (step S504). In this way, the controller 100 that opens the second vapor supply valve 23a starts time measurement by the timer unit and waits for a preset opening time to elapse (step S505).
Thus, by opening the second steam supply valve 23a until the opening time elapses, the pressurized steam having passed through the second steam supply pipe 23 can blow off the hot water (flushing hot water) supplied in step S501 through the first connection portion 26, the liquid supply pipe 27, the stirring portion 50, the beverage delivery pipe 51, the shaping portion 52, the beverage discharge passage, and the nozzle portion 54.
When the open time has elapsed (step S505: yes), the control unit 100 sends a close command to the second steam supply valve 23a to close the second steam supply valve 23a (step S506), and checks whether the number of driving times of the hot wash water pump 64a has reached m times, which is a predetermined number of times set in advance (step S507).
When the number of driving times of the hot water cleaning pump 64a is not more than m times (no in step S507), the control unit 100 repeats the above-described processing of step S501 to step S506. On the other hand, when the number of driving times of the hot washing water pump 64a reaches m times (step S507: "YES"), the control unit 100 sends a washing completion signal to a host device (not shown) or a display unit (not shown) (step S508), and then returns to the process to end the current acid washing and rinsing process. By performing the acid cleaning and rinsing process in this manner, the process returns to the above-described cleaning control process, and the cleaning control process of this time is ended.
As described above, according to the cleaning unit 60 according to the embodiment of the present invention, when the cleaning command is given, the control unit 100 supplies the hot water from the hot water tank 25 to the beverage supply path and intermittently supplies the cleaning liquid stock (the alkaline cleaning liquid stock and the acidic cleaning liquid stock) stored in the cleaning liquid stock storage units 65 and 66 to the beverage supply path in a state of being diffused into the hot water. Therefore, the cleaning time can be shortened, and the size of the entire apparatus can be suppressed.
In particular, the diffuser 61 has a cylindrical side portion 611 and a bottom portion 612, the bottom portion 612 is formed in a conical shape having a lowest position at a central portion thereof so that a cross-sectional area thereof gradually decreases downward, and the outlet port 612a is provided in the bottom portion 612, so that the cleaning hot water can be diffused well into the cleaning liquid.
According to the above-described cleaning unit 60, the switching valve 62a provided in the cleaning raw liquid supply pipe 62 serving as a common cleaning raw liquid supply path for supplying the alkaline cleaning raw liquid and the acidic cleaning raw liquid allows either one of the alkaline cleaning raw liquid and the acidic cleaning raw liquid to pass through the cleaning raw liquid supply pipe 62, and the control unit 100 controls the open/close state of the switching valve 62a when the cleaning command is given, and supplies the acidic cleaning raw liquid after supplying the alkaline cleaning raw liquid, so that it is possible to restrict the alkaline cleaning raw liquid from remaining in the cleaning raw liquid supply pump 62b provided in the cleaning raw liquid supply pipe 62, and thereby it is possible to prevent the rubber material such as fluorine-based rubber constituting the cleaning raw liquid supply pump 62b from deteriorating early, and to suppress a decrease in the service life.
While the preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications can be made.
In the above-described embodiment, milk is used as an example of the milk drink, but in the present invention, a milk drink such as soybean milk may be used.
In the above-described embodiment, the beverage supply path is cleaned after the first connection portion 26 and the second connection portion 33 are disconnected and the third connection portion 68 and the first connection portion 26 are connected, but in the present invention, the beverage supply path may be cleaned in a state where the first connection portion 26, the second connection portion 33, and the third connection portion 68 are connected to each other. Accordingly, the beverage supply path can be cleaned more easily without disconnecting the second connection portion 33 from the first connection portion 26 and connecting the third connection portion 68 to the first connection portion 26.
In the above-described embodiment, the control unit 100 controls the open/close state of the switching valve 62a when the cleaning command is given, and supplies the acidic cleaning liquid after supplying the basic cleaning liquid, thereby restricting the basic cleaning liquid from remaining in the cleaning liquid supply pump 62b, but in the present invention, if the control unit can control the open/close state of the switching valve when the cleaning command is given, thereby restricting the basic cleaning liquid from remaining in the supply pump (cleaning liquid supply pump 62b) disposed in the cleaning liquid supply path, various configurations can be adopted.
That is, as shown in fig. 11, one end of the cleaning original liquid supply pipe 62' is branched into three, one of which is connected to the first cleaning original liquid storage portion 65, the other is connected to the second cleaning original liquid storage portion 66, and the last is connected to the water storage portion 67 for storing water. Although not clearly shown in the drawings, the other end of the cleaning liquid concentrate supply pipe 62' is connected to the side 611 of the diffuser 61, similarly to the cleaning liquid concentrate supply pipe 62 described above. The switching valve 62c provided in the middle of the cleaning raw liquid supply pipe 62 ' is provided at a branch point of the cleaning raw liquid supply pipe 62 ', and the switching valve 62c is selection means for allowing any one of the alkaline cleaning raw liquid, the acidic cleaning raw liquid, and the water to pass through the cleaning raw liquid supply pipe 62 ' in accordance with a command supplied from the control unit 100. Accordingly, when the washing command is given, the control unit 100 controls the open/close state of the switching valve 62c, and supplies the acidic washing stock solution after supplying the alkaline washing stock solution, and then supplies water, thereby restricting the alkaline washing stock solution from remaining in the washing stock solution supply pump 62 b.
In the above-described embodiment, the cleaning liquid stock (alkaline cleaning liquid stock, acidic cleaning liquid stock) is diffused into the hot water in the diffusing portion 61, but in the present invention, the cleaning liquid stock may be mixed with the hot water to generate the cleaning liquid, and the cleaning liquid may be supplied to the drink supply path to perform cleaning.
Description of the reference numerals
1: a beverage supply device; 20: a vapor supply unit; 21: a vapor canister; 24: a hot water supply pipe; 25: a hot water tank; 26: a first connection portion; 27: a liquid supply pipe; 30: a stock solution supply section; 40: an air supply part; 50: a stirring section; 51: a beverage delivery tube; 52: a forming section; 54: a nozzle portion; 60: a cleaning unit (cleaning device); 61: a diffusion portion; 62: cleaning the stock solution supply pipe; 62 a: a switching valve; 62 b: cleaning the stock solution supply pump; 63: cleaning the supply pipe; 63 a: cleaning the one-way valve; 64: cleaning the hot water supply pipe; 64 a: cleaning a hot water pump; 65: a first cleaning stock solution storage section; 66: a second cleaning stock solution storage section; 100: a control unit; c: a cup.
Claims (3)
1. A cleaning device that cleans a beverage supply path by supplying an alkaline cleaning liquid stock and an acidic cleaning liquid stock, which are stored in a cleaning liquid stock storage unit, to a beverage supply path separately together with hot water stored in a hot water storage unit when the cleaning device is applied to a beverage supply device that supplies a beverage to a container through the beverage supply path and is given a cleaning instruction, the cleaning device comprising:
a common cleaning stock solution supply path for supplying the alkaline cleaning stock solution and the acidic cleaning stock solution;
a switching valve provided in the cleaning liquid stock supply path and configured to allow either one of the alkaline cleaning liquid stock and the acidic cleaning liquid stock to pass through the cleaning liquid stock supply path;
a supply pump provided in the cleaning liquid supply path and configured to supply the cleaning liquid selected by the switching valve to the drink supply path when the supply pump is driven; and
and a control unit that controls an open/close state of the switching valve to restrict the alkaline cleaning solution from remaining in the supply pump when the cleaning instruction is given.
2. The cleaning device of claim 1,
when the cleaning instruction is given, the control unit controls the open/close state of the switching valve so that the acidic cleaning liquid is supplied after the alkaline cleaning liquid is supplied, thereby restricting the alkaline cleaning liquid from remaining in the supply pump.
3. The cleaning device of claim 2,
the switching valve allows any one of the alkaline cleaning liquid stock, the acidic cleaning liquid stock, and water to pass through the cleaning liquid stock supply path,
when the cleaning instruction is given, the control unit controls the open/close state of the switching valve so that the acidic cleaning liquid is supplied after the alkaline cleaning liquid is supplied and the water is supplied thereafter, thereby restricting the alkaline cleaning liquid from remaining in the supply pump.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019192907A JP2021066465A (en) | 2019-10-23 | 2019-10-23 | Washing device |
| JP2019-192907 | 2019-10-23 | ||
| PCT/JP2020/038763 WO2021079801A1 (en) | 2019-10-23 | 2020-10-14 | Cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114286637A true CN114286637A (en) | 2022-04-05 |
Family
ID=75620563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080061238.9A Pending CN114286637A (en) | 2019-10-23 | 2020-10-14 | Cleaning device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2021066465A (en) |
| CN (1) | CN114286637A (en) |
| WO (1) | WO2021079801A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1276174Y (en) * | 2021-07-21 | 2021-11-02 | Gonzalez Gerardo Masegosa | WATER DISPENSER |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021079801A1 (en) | 2021-04-29 |
| JP2021066465A (en) | 2021-04-30 |
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