WO2024066859A1 - Dispositif de distribution automatique, procédé de commande, et machine à laver à tambours multiples - Google Patents

Dispositif de distribution automatique, procédé de commande, et machine à laver à tambours multiples Download PDF

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Publication number
WO2024066859A1
WO2024066859A1 PCT/CN2023/115392 CN2023115392W WO2024066859A1 WO 2024066859 A1 WO2024066859 A1 WO 2024066859A1 CN 2023115392 W CN2023115392 W CN 2023115392W WO 2024066859 A1 WO2024066859 A1 WO 2024066859A1
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WO
WIPO (PCT)
Prior art keywords
water
water supply
pipeline
supply pipeline
waterway
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Application number
PCT/CN2023/115392
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English (en)
Chinese (zh)
Inventor
黄涛
程宝珍
李文伟
Original Assignee
青岛海尔洗衣机有限公司
海尔智家股份有限公司
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Application filed by 青岛海尔洗衣机有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2024066859A1 publication Critical patent/WO2024066859A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements

Definitions

  • the present invention relates to a drum washing machine in the field of household appliances, in particular to a multi-drum washing machine with at least two water drums, and more particularly to an automatic dosing device applied to the multi-drum washing machine for adding additives in a clothing processing process.
  • the additives used in the washing process of traditional washing machines such as detergents, softeners, disinfectants, etc.
  • the additives used in the washing process of traditional washing machines are placed separately from the washing machine.
  • There is no device for dispensing additives on the washing machine and the additives cannot be automatically dispensed.
  • This structure cannot realize the fully automatic washing control process of the washing machine.
  • most washing machines are configured to connect the additive box containing detergents and/or softeners with the water inlet pipeline, and the detergents and/or softeners in the additive box are flushed into the water drum through the water inlet.
  • this structure requires that the detergents and/or softeners must be placed in the additive box before each washing, and the fully automatic washing control process is also not realized.
  • the applicant's previous application provided an automatic dosing device applicable to a multi-drum washing machine, which directly extracts the additives in the corresponding liquid storage box by using the negative pressure generated by the flowing water, and then dispenses the additives into the corresponding drum along with the water flow.
  • the additives are extracted from the liquid storage box into the water channel, and the additives in the water channel are dispensed into the corresponding drum by
  • the negative pressure structure provided on the waterway provides driving force, but has problems such as small extraction force for the additive in the liquid storage box, resulting in slow delivery rate and inaccurate control during delivery.
  • An automatic dosing device comprises at least two liquid storage boxes 3 containing additives; a dosing waterway 10, wherein the liquid storage boxes 3 are connected to the dosing waterway 10 via a pump 13, and the additives in the corresponding liquid storage boxes 3 are extracted into the dosing waterway 10 by the action of the pump 13; at least two water supply pipelines 2, which can respectively transport incoming water to the water outlets of the corresponding water supply pipelines 2; the dosing waterway 10 is respectively connected in parallel with each water supply pipeline 2, and the additives extracted by the pump 13 in the dosing waterway 10 are flushed to the water outlet of the selected water supply pipeline 2 by the water flow flowing through the selected water supply pipeline 2.
  • each water supply pipeline 2 is provided with a suction structure 1, which can generate negative pressure by the water flow passing through the corresponding water supply pipeline 2; the suction port 12 of the suction structure 1 is connected with the outlet of the delivery water channel 10, and the additive pumped into the delivery water channel 10 is drawn into the suction structure 1 and transported to the water outlet of the corresponding water supply pipeline 2 along with the water flow.
  • each suction structure 1 is connected to the outlet of the delivery waterway 10 via a one-to-one connecting pipe 4, and a one-way valve 8 is provided on the connecting pipe 4 to control the fluid to flow only along the delivery waterway 10 toward the suction structure 1.
  • each water supply pipeline 2 is also connected to a flushing pipeline 6, and the inlet of the water supply pipeline 10 is connected to the flushing pipeline 6.
  • the outlet is connected to each flushing pipeline 6, and part of the water flow of the water supply pipeline 2 is directly introduced into the injection water channel 10 to flush the additives in the injection water channel 10, and then the flushing water containing the additives flows back to the water supply pipeline 2 and flows out through the outlet.
  • a one-way valve is provided on the flushing pipeline 6 to ensure that the water in the pipeline flows in a single direction along the water supply pipeline 2 to the water delivery channel.
  • control valve for controlling the interruption of water flow in the flushing pipeline 6 is provided.
  • each flushing pipeline 6 is connected to the inlet of the delivery waterway 10 via the same reversing valve 9 , and the reversing valve 9 is used to control each flushing pipeline 6 to be selectively connected to the delivery waterway 10 .
  • suction structure 1 provided on the water supply pipeline 2 is located at the upstream portion of the point where it is connected with the flushing pipeline 6 .
  • outlets of the liquid storage boxes 3 are connected to the same delivery waterway 10 via corresponding pumps 13 , and the pumps 13 pump the additives stored in the corresponding liquid storage boxes 3 into the delivery waterway 10 when they are in operation.
  • the pump 13 is integrated with an on-off valve assembly; when the pump 13 is in a non-operating state, the outlet of the liquid storage box 3 is disconnected from the injection waterway 10 , and the additive stored in the liquid storage box 3 can no longer flow into the injection waterway 10 .
  • the pump 13 is integrated with a metering component for metering the amount of additive flowing through the pump 13 and pumped from the liquid storage box 3 to the delivery waterway 10 .
  • the pump 13 is integrated with a one-way valve assembly for limiting the fluid flowing through the pump 13 to flow in only one direction along the liquid storage box 3 to the delivery waterway 10 .
  • each water supply pipeline 2 is connected to a corresponding and different water outlet;
  • a one-way valve is provided on the water supply pipeline 2 to ensure that the water in the pipeline flows in a single direction from the water inlet end to the water outlet end.
  • control valve 7 is provided at the inlet end of the water supply pipeline 2 for controlling the on-off of water flow into the pipeline.
  • the suction structure 1 includes a venturi tube 100 in the water supply pipeline 2 that can generate negative pressure by the flow of water, and the negative pressure area 11 is provided with a suction port 12 connected to the liquid storage box 3 and uses negative pressure to extract additives into the water supply pipeline 2.
  • both ends of the venturi tube 100 are connected to the corresponding water supply pipeline 2 and are respectively connected to the water inlet and the water outlet; the middle part of the venturi tube 100 is provided with a constricted portion with a convexly reduced pipe diameter, and a negative pressure is generated at the constricted portion as the water flow velocity suddenly increases to form a negative pressure area 11, and the negative pressure area 11 is provided with an interface connected to the outside, and the interface constitutes a suction port 12 of the suction structure 1 connected to the waterway 10.
  • a maze circuit is provided on the delivery waterway 10 , which is arranged in a spiral manner and extends the axial length of the pipeline; the maze circuit is located at the downstream part where the delivery waterway 10 is connected to each liquid storage box 3 .
  • Another object of the present invention is to provide a control method for an automatic dosing device.
  • the pump 13 corresponding to the selected liquid storage box 3 is turned on, so that the additive in the selected liquid storage box 3 is pumped into the dosing waterway 10; the water at the water supply source flows through a selected water supply pipeline 2 to the corresponding water outlet, and part of the water flow in the water supply pipeline 2 flows into the dosing waterway 10, flushing the additive in the dosing waterway 10 into the selected water supply pipeline 2, and then flushing it to the outlet of the selected water supply pipeline 2 with the water flow in the water supply pipeline 2.
  • the negative pressure generated when the water flows through the suction structure 1 provided on the water supply pipeline 2 is utilized to extract the additives in the water channel 10, and the additives enter the selected water supply pipeline 2 through the suction port 12, and then are flushed to the water outlet of the selected water supply pipeline 2 along with the water flow in the water supply pipeline 2.
  • the flushing pipe 6 connected to the water supply pipe 2 is selected to be connected to the water channel 10, and the liquid storage box 3 is disconnected from the water channel 10. At least part of the water flowing through the water supply pipe 2 flows through the flushing pipe 6 to the water channel 10 to flush the additives in the water channel 10.
  • the water outlet of the water channel 10 is connected to the suction port 12 of the suction structure 1 provided on the selected water supply pipeline 2, and the suction structure 1 is used to generate The negative pressure generated causes the flushing water after flushing the water channel 10 through the flushing pipeline 6 to flow back from the suction port 12 to the selected water supply pipeline 2, and flows out through the water outlet of the water supply pipeline 2 along with the water flow.
  • the present invention also introduces a multi-drum washing machine, comprising at least two water drums 5; equipped with any of the above-mentioned automatic dispensing devices, each water drum 5 is connected to each water outlet of the automatic dispensing device in a one-to-one correspondence, so that the additive extracted from the liquid storage box 3 can be delivered to any water drum 5 in a controllable manner.
  • each water supply pipe 2 of the automatic dispensing device are respectively connected to the water inlet structure 15 of the washing machine, and the washing water supplied by the water inlet structure 15 of the washing machine serves as the water supply source for the water inlet ends of each water supply pipe 2; the washing water flows into one of the water supply pipes 2, and flows from the water outlet of the water supply pipe 2 to the corresponding water drum 5, so that the additives pumped into the corresponding water supply pipe 2 flow into the corresponding water drum 5 along with the inlet water flow of the washing machine.
  • the automatic dispensing device can extract additives from different liquid storage boxes into the dispensing water channel through a pump, and use the water flow flowing through the corresponding water supply pipeline to dispense the extracted additives in the parallel dispensing water channel to the corresponding water outlet along with the water flow, thereby achieving the purpose of dispensing additives in the same liquid storage box to multiple locations respectively through a set of system; at the same time, the above-mentioned automatic dispensing device is installed on a multi-drum washing machine, so that multiple water drums of the multi-drum washing machine can share a set of additive dispensing system, thereby achieving the purpose of controllably dispensing additives into a selected water drum along with the incoming water flow.
  • the pump provides power to draw the additive from the liquid storage box into the water channel
  • the suction structure provides driving force for the additive in the water channel to flow toward the water storage cylinder, thereby achieving the effect of different power components driving the additives at different stages in steps, thereby greatly improving the accuracy of delivery control.
  • the additive is driven by a two-stage power component, so that the flow rate of the additive during the delivery process can be significantly increased, thereby greatly improving the delivery efficiency.
  • the pump and the water supply water channel can be executed together, so that the additives are extracted from the liquid storage box into the water channel, and the additives in the water channel are flushed into the water storage barrel by the water flow.
  • the steps can be run synchronously. Compared with the existing technology, the time consumption of placement is greatly reduced and the speed is significantly improved.
  • the invention has a simple structure, significant effects and is suitable for popularization and use.
  • FIG1 is a schematic diagram of the structure of an automatic delivery device according to an embodiment of the present invention.
  • 2 to 5 are schematic diagrams of the structure of adding additives in different liquid storage boxes to different cylinders in an embodiment of the present invention.
  • an embodiment of the present invention introduces a multi-drum washing machine, which includes a plurality of water drums 5 independently arranged, and each water drum 5 can process clothes respectively; the washing machine is provided with a water inlet structure 15 for introducing external water flow into the washing machine; the washing machine is also provided with an automatic delivery device, which delivers additives along with the water flow flowing into the water inlet structure into the corresponding water drum 5, so as to use the additives delivered along with the water flow to process the clothes in the corresponding water drum 5.
  • the additives include but are not limited to the following types: detergents, softeners, disinfectants, fragrances, bleaches, etc.
  • an automatic dispensing device is also introduced in an embodiment of the present invention.
  • the automatic dispensing device can be applied to the above-mentioned multi-drum washing machine to dispense additives into the corresponding water drum 5 of the washing machine; it can also be applied to any existing equipment to dispense corresponding additives into any water channel in the equipment.
  • the automatic delivery device described in the embodiment of the present invention includes a liquid storage box 3, which contains additives used for treating clothes; at least two water supply pipelines 2, the water inlet end of each water supply pipeline 2 is connected to the same water supply source, and the water supply source is the water inlet structure 15 of the washing machine; each water supply pipeline 2 has different and corresponding water outlets connected to each other, so that each water supply pipeline 2 can transport the incoming water to the water outlet of the corresponding pipeline; a delivery water channel 10, the liquid storage box 3 is connected to the delivery water channel 10 through a pump 13, and the additives in the corresponding liquid storage box 3 are extracted into the delivery water channel 10 through the action of the pump 13; the delivery water channel 10 is connected in parallel with each water supply pipeline 2, and the additives extracted by the pump 13 in the delivery water channel 10 are flushed to the water outlet of the selected water supply pipeline 2 by the water flow flowing through the selected water supply pipeline 2.
  • the water outlets of each water supply pipeline 2 of the automatic dispensing device are connected to each water drum 5 of the washing machine in a one-to-one correspondence, and the water supply source is provided by the washing machine water inlet structure 15, so that in the process of washing water entering the corresponding water drum 5 of the multi-drum washing machine, the additives are put into the corresponding water drum 5 together with the inlet water flow.
  • the number of water outlets of the automatic dispensing device and the number of water drums can also be set to be different, so that at least one water drum corresponds to multiple water outlets, or at least one water outlet corresponds to multiple water drums.
  • the automatic delivery device can extract additives from different liquid storage boxes into the delivery waterway through the pump, and use the water flow flowing through the corresponding water supply pipeline to deliver the extracted additives in the parallel delivery waterway to the corresponding water outlet along with the water flow, thereby achieving the purpose of delivering the additives in the same liquid storage box to multiple locations through a set of systems; at the same time,
  • multiple water drums of the multi-drum washing machine can share a set of additive delivery system, so as to achieve the purpose of controllably delivering the additive into a selected water drum along with the incoming water flow.
  • the automatic dispensing device described in the embodiment of the present invention includes at least two liquid storage boxes 3, each of which can store additives of different categories and/or different concentrations; of course, the same additives can also be stored in some of the liquid storage boxes 3, so that one or more of the liquid storage boxes 3 can be used as a backup.
  • Each liquid storage box 3 is connected to the dispensing waterway 10 through different liquid extraction pipelines 14; each liquid extraction pipeline 14 is provided with a pump 13, which is used to extract the additives in different liquid storage boxes 3 into the dispensing waterway 10, thereby realizing that different drums of the washing machine share a set of liquid storage boxes 3, so that various additives in a set of liquid storage boxes 3 can be controlled to be dispensed into different water drums 5.
  • this embodiment introduces an automatic dispensing device, including a liquid storage box 3, which contains additives used for treating clothes; at least two water supply pipelines 2, the water inlet of each water supply pipeline 2 is respectively connected to the water inlet structure 15 of the multi-drum washing machine, and the water outlet of each water supply pipeline 2 is respectively connected to different, one-to-one corresponding water drums 5, so that each water supply pipeline 2 can transport the washing machine water to the corresponding water drum 5, so as to achieve the purpose of supplying washing water to any water drum 5 of the multi-drum washing machine.
  • Each water supply pipeline 2 is provided with a suction structure 1, which can generate negative pressure through the water flow flowing through the corresponding water supply pipeline 2; the suction port 12 of the suction structure 1 is connected to the water outlet of the dispensing water path 10 through the connecting pipeline 4, so that the additives extracted from the dispensing water path 10 can be sucked into the suction structure 1, and the additives are dispensed into the corresponding washing machine water drum 5 along with the water flow.
  • the water outlets of the automatic dispensing device are connected to the water drums 5 of the washing machine in a one-to-one correspondence, and the water supply source is provided by the water inlet structure 15 of the washing machine, so that in the process of washing water entering the corresponding water drum 5 of the multi-drum washing machine, the additives are dispensed into the corresponding water drum 5 together with the inlet water flow, so as to achieve the purpose of automatically dispensing the additives into the corresponding water drum 5 along with the inlet water flow.
  • the suction structure 1 includes a venturi tube 100 provided in the water supply pipeline 2, which can generate negative pressure by water flowing through, and the negative pressure area 11 of the venturi tube 100 is provided with a The suction port 12 connected to the delivery waterway 10 and using negative pressure to extract additives into the water supply pipeline 2.
  • both ends of the venturi tube 100 are connected to the water supply pipeline 2 and are respectively connected to the water inlet and the water outlet; the middle part of the venturi tube 100 is provided with a closing part in which the diameter of the pipe in the pipeline is convexly reduced.
  • the suction structure 1 can be directly composed of the venturi tube 100 that generates negative pressure suction according to the change of water flow velocity, so that the stored additives in the delivery waterway 10 are sucked into the corresponding water supply pipeline 2 with the inlet water flow, so as to achieve the purpose of delivering the additives into the water drum of the washing machine.
  • each water supply pipeline 2 is respectively connected to a corresponding, different water cylinder 5.
  • a one-way valve 8 (not indicated in the drawings) is provided on the water supply pipeline 2 to ensure that the water in the pipeline flows in a single direction from the water inlet source end to the water outlet end.
  • the automatic delivery device is fed with water through different water supply channels to achieve the purpose of respectively feeding water into different water cylinders and delivering additives.
  • a control valve 7 is provided at the water inlet end of the water supply pipeline 2 to control the on-off of the water flow of the water supply pipeline 2.
  • the control valve 7 is provided at the upstream part of the suction structure 1 to achieve on-off control of the water inlet at the suction structure 1.
  • the automatic delivery device also includes a flushing pipeline 6, the water inlet end of the flushing pipeline 6 is connected to the part of the water supply pipeline 2 downstream of the venturi tube 100, and the water outlet end of the flushing pipeline 6 is connected to the water inlet of the delivery waterway 10; the other end of the delivery waterway 10 is a water outlet, and the water outlet is connected to the suction port 12 of the suction structure 1 through the connecting pipeline 4.
  • the water flow at the water outlet end of the water supply pipeline 2 is directly introduced into the delivery waterway 10, and then circulated back to the water supply pipeline 2 through the suction structure 1, and the delivery waterway 10 is flushed with circulating water, so that the additives pumped into the delivery waterway 10 by the pump 13 are all flushed into the water supply pipeline 2, and the additives remaining in the pipeline can be flushed, so as to ensure that the additives pumped into the delivery waterway 10 by the automatic delivery device through the pump 13 can all be discharged into the water supply pipeline 2 with the water flow; at the same time, the automatic delivery device can also be controlled.
  • the purpose of flushing is to prevent additive residue from affecting the subsequent use of the device.
  • a one-way valve 8 may be provided on the flushing pipeline 6 and/or the connecting pipeline 4 to ensure that the water in the pipeline flows in a single direction from the water inlet end to the water outlet end; in the present embodiment, as shown in FIG. 1 , in order to avoid the water supply pipeline from diverting to the injection waterway, a one-way valve 8 is provided on the connecting pipeline 4.
  • the one-way valve 8 is used to ensure that the liquid in the connecting pipeline 4 only flows in a single direction from the injection waterway 10 to the water supply pipeline 2 to avoid backflow.
  • a control valve 7 for controlling the water flow in the flushing pipeline 6 and/or the connecting pipeline 4 is provided to control the flow of flushing water from the water supply pipeline 2 to the delivery water path 10 (not indicated in the drawings).
  • the following settings are made:
  • each water supply pipeline 2 is connected to a flushing pipeline 6, and the water outlet end of each flushing pipeline 6 is connected to the same reversing valve 9.
  • the reversing valve 9 is also connected to the water inlet of the delivery waterway 10, so that under the control of the reversing valve 9, each flushing pipeline 6 can be selectively connected to the water inlet of the delivery waterway 2.
  • the automatic dispensing device comprises at least two liquid storage boxes 3, and different types of additives are added to each liquid storage box 3, so that the automatic dispensing device can classify and automatically dispense different types of additives.
  • the following is an example of a multi-drum washing machine with two water cylinders 5, namely the first water cylinder 51 and the second water cylinder 52; and two liquid storage boxes 3, namely the first liquid storage box 31 and the second liquid storage box 32.
  • the specific structure is as follows:
  • the water inlet end of the first water supply pipeline 21 is provided with a first venturi tube 101, and the water outlet end is connected to the first water storage cylinder 51.
  • the water inlet end of the second water supply pipeline 22 is provided with a second venturi tube 102, and the water outlet end is connected to the second water storage cylinder 52.
  • the water outlet ends of the first water supply pipeline 21 and the second water supply pipeline 22 are respectively provided with interfaces, and the two interfaces are respectively connected to the water inlet end of a flushing pipeline 6; the water outlet ends of the two flushing pipelines 6 are connected to the same reversing valve 9, and the reversing valve 9 It has two inlets and one outlet.
  • the two inlets are respectively connected to the water outlet ends of the first flushing pipeline 61 and the second flushing pipeline 62, and the outlet is connected to the water inlet of the water supply circuit 10.
  • the reversing valve 9 has two states, which respectively connect the two inlets and the outlet to realize that the first flushing pipeline 61 and the second flushing pipeline 62 are respectively connected to the water supply circuit 10.
  • the water outlet of the injection waterway 10 is respectively connected to the first suction port 121 of the first venturi tube 101 through the first connecting pipeline 41 provided with the first non-return valve 81, and is connected to the second suction port 122 of the second venturi tube 102 through the second connecting pipeline 42 provided with the second non-return valve 82.
  • non-return valves 8 are respectively installed on the two connecting pipelines 4, so as to control the flow direction of the liquid in the pipeline by using the non-return valves 8, so as to ensure that the liquid in the pipeline always flows in a single direction toward the side of the venturi tube 100, thereby preventing the water flow in the water supply pipeline 2 from directly flowing from the connecting pipeline 4 into the injection waterway 10.
  • the first liquid storage box 31 is connected to the injection water circuit 10 via a first liquid extraction pipeline 141 provided with a first pump 131
  • the second liquid storage box 32 is connected to the injection water circuit 10 via a second liquid extraction pipeline 142 provided with a second pump 132; preferably, in order to avoid the problem that the liquid in the injection water circuit 10 flows back into the liquid storage box 3, a one-way valve 8 can be installed on the liquid extraction pipeline 14 provided with the pump 13, and the pump 13 can be directly integrated with a one-way valve assembly, or a one-way valve assembly can be integrated and installed at the liquid outlet of the liquid storage box 3, etc., so as to prevent the liquid from flowing back into the liquid storage box.
  • the automatic adding device When the additive A in the first liquid storage box 31 is added into the first water storage cylinder 51, the automatic adding device is in the following state:
  • the outlet of the reversing valve 9 is connected to the first inlet and disconnected from the second inlet, the first pump 131 is working, the second pump 132 is not working, the first control valve 71 is opened, and the second control valve 72 is closed.
  • the injection water circuit 10 connects the first connecting pipeline 41 and the first flushing pipeline 61, and the additive A in the first liquid storage box 31 is pumped into the injection water circuit 10 through the first liquid extraction pipeline 141 by the first pump 131.
  • the water in the first water supply pipeline 21 flows through the first venturi tube 101, and the first venturi tube 101 draws the additive A pumped in the injection water circuit 10 into the first water supply pipeline 21 and injects the additive A into the injection water circuit 10.
  • the automatic adding device When the additive B in the second liquid storage box 32 is added into the first water storage cylinder 51, the automatic adding device is in the following loading state:
  • the outlet of the reversing valve 9 is connected to the first inlet and disconnected from the second inlet, the first pump 131 is not working, the second pump 132 is working, the first control valve 71 is opened, and the second control valve 72 is closed.
  • the water circuit 10 connects the first connecting pipeline 41 and the first flushing pipeline 61, and the additive B in the second liquid storage box 32 is acted upon by the second pump 132 and pumped into the water circuit 10 through the second liquid extraction pipeline 142.
  • the water flow in the first water supply pipeline 21 flows through the first venturi tube 101, and the first venturi tube 101 draws the additive B pumped in the water circuit 10 into the first water supply pipeline 21, and flows into the first water storage cylinder 51 along with the water flow in the first water supply pipeline 21.
  • part of the incoming water flow in the first water supply pipeline 21 enters the delivery water channel 10 to flush the delivery water channel 10.
  • the flushing water then flows back into the first water supply pipeline 21 through the first Venturi tube 101 and flows into the first water storage cylinder 51 from the water outlet together with the incoming water flow.
  • the automatic adding device When the additive A in the first liquid storage box 31 is added into the second water storage cylinder 52, the automatic adding device is in the following state:
  • the outlet of the reversing valve 9 is disconnected from the first inlet and connected to the second inlet, the first pump 131 is working, the second pump 132 is not working, the first control valve 71 is closed, and the second control valve 72 is opened.
  • the injection waterway 10 connects the second connecting pipeline 42 and the second flushing pipeline 62.
  • the additive A in the first liquid storage box 31 is pumped into the injection waterway 10 by the first pump 131.
  • the water flow in the second water supply pipeline 22 flows through the second venturi tube 102.
  • the second venturi tube 102 draws the additive A pumped in the injection waterway 10 into the second water supply pipeline 22, and flows into the second water storage cylinder 52 along with the water flow in the second water supply pipeline 22.
  • part of the inlet water flow in the second water supply pipeline 22 enters the injection waterway 10 to flush the injection waterway 10.
  • the flushing water then flows through the second venturi tube 102.
  • the water from the pipe 102 flows back into the second water supply pipeline 22 and flows into the second water storage cylinder 52 from the water outlet together with the inlet water flow.
  • the automatic adding device When the additive B in the second liquid storage box 32 is added into the second water storage cylinder 52, the automatic adding device is in the following loading state:
  • the outlet of the reversing valve 9 is disconnected from the first inlet and connected to the second inlet, the first pump 131 does not work, the second pump 132 works, the first control valve 71 is closed, and the second control valve 72 is opened.
  • the injection waterway 10 connects the second connecting pipeline 42 and the second flushing pipeline 62, and the additive B in the second liquid storage box 32 is pumped into the injection waterway 10 by the second pump 132.
  • the water flow in the second water supply pipeline 22 flows through the second venturi tube 102, and the second venturi tube 102 draws the additive B pumped in the injection waterway 10 into the second water supply pipeline 22, and flows into the second water storage cylinder 52 along with the water flow in the second water supply pipeline 22.
  • part of the inflow water flow in the second water supply pipeline 22 enters the injection waterway 10 to flush the injection waterway 10, and the flushing water flows back into the second water supply pipeline 22 through the second venturi tube 102, and flows into the second water storage cylinder 52 from the water outlet along with the inflow water flow.
  • a labyrinth circuit in order to increase the amount of additives released by the automatic release device at a single time, can also be set on the release waterway 10; the labyrinth circuit is composed of a flow channel that is coiled and spirally arranged to extend the axial length of the pipeline; the labyrinth circuit is located at one end of the release waterway 10 connected to the connecting pipeline 4, and the labyrinth circuit is located at the downstream part of the place where each liquid storage box 3 is connected to the release waterway 10 through the pump 13, so that the water inlet end of the labyrinth circuit is connected to the upstream liquid storage boxes 3, and the water outlet end is respectively connected to the inlet of each connecting pipeline 4 (not indicated in the drawings).
  • a metering device for detecting the flow rate of the liquid passing through is provided on the connecting pipe 4 between the maze circuit and the suction port 12 of the suction structure.
  • the metering component can also be directly integrated on the pump 13, so that the pump 13 itself is a metering pump, and the parameters of the pump 13 are used to directly measure and count the amount of additives added.
  • the pump 13 can be any existing metering pump with a metering function, for example: the number of revolutions of the impeller in the pump, the speed, time, power, etc.
  • This embodiment also introduces a control method applied to the above-mentioned automatic delivery device.
  • the pump 13 corresponding to the selected liquid storage box 3 is turned on, so that the additive in the selected liquid storage box 3 is pumped into the delivery waterway 10; the water at the water supply source flows through a selected water supply pipeline 2 to the corresponding water outlet, and part of the water flow in the water supply pipeline 2 flows into the delivery waterway 10, flushing the additive in the delivery waterway 10 into the selected water supply pipeline 2, and then flushing it to the outlet of the selected water supply pipeline 2 with the water flow in the water supply pipeline 2.
  • the steps of pumping the additive in the liquid storage box 3 into the delivery water channel 10 via the pump 13 and introducing water into the water supply pipe 2 to flush the additive in the delivery water channel 10 into the water storage cylinder 5 can be performed simultaneously; or the steps of pumping the additive in the liquid storage box 3 into the delivery water channel 10 via the pump 13 and introducing water into the water supply pipe 2 to flush the additive in the delivery water channel 10 into the water storage cylinder 5 can be performed alternately.
  • control method of the present invention has more diverse delivery methods and can realize different delivery logics compared with the limited technology.
  • the steps of pumping the additive in the liquid storage box into the water channel through the pump and flushing the additive in the water channel into the water storage cylinder can be executed simultaneously, making the delivery process more concise and time-saving.
  • the negative pressure generated when the water flows through the suction structure 1 provided on the water supply pipeline 2 is used to extract the additive in the water channel 10, and enter the corresponding water supply pipeline 2 through the suction port 12, and then rush to the outlet of the selected water supply pipeline 2 with the water flow in the water supply pipeline 2.
  • the additive is injected into the water channel with power provided by the pump, and the additive enters the cylinder from the water channel with power provided by the suction structure provided on the water channel, thereby increasing the flow rate of the additive and further improving the injection reaction efficiency.
  • the flushing pipeline 6 connected to the water supply pipeline 2 is selected to be connected to the water channel 10, and the liquid storage box 3 is disconnected from the water channel 10.
  • the water in the water supply pipeline 2 flows, and at least part of the water flows through the flushing pipeline 6 to the water channel 10, and the additive in the water channel 10 that has been extracted by the liquid storage box 3 by the pump 13 is flushed.
  • the flushing water containing the additive flows back into the water supply pipeline 2 to ensure that the additive can be used in the process of adding.
  • the circulating flushing water can completely flush the additives in the water channel 10, thereby achieving the effect of preventing the additives from remaining in the water channel.
  • the water outlet end of the water channel 10 is connected to the suction port 12 of the suction structure 1 provided on the selected water supply pipe 2, so that after the water channel 10 is flushed through the flushing pipe 6, the flushing water that flows back from the suction port 12 to the selected water supply pipe 2 can flow out through the water outlet of the selected water supply pipe 2, thereby switching the water supply to the two water supply pipes 2, and achieving the effect of respectively putting additives into different water cylinders 5, thereby improving the diversity of additive placement.
  • the water intake structure 15 of the washing machine intakes water into the corresponding water drum 5 through the selected water supply pipe 2, part of the intake water flow will flow through the delivery water channel 10, and part of the water flow will flush the delivery water channel 10, so that the water supply pipe 2 intakes water into the water drum 5 and the flushing of the delivery water channel 10 can be performed simultaneously.
  • the automatic dispensing device can dispense different types of additives stored in each liquid storage box 3 respectively.
  • the automatic dispensing device dispenses additives
  • one of the suction ports 12 is connected to the dispensing waterway 10
  • one of the pumps 13 corresponding to each liquid storage box 3 is turned on, so that the corresponding liquid storage box 3 is connected to the water supply pipeline 10, and the additive pump 13 stored in the corresponding liquid storage box 3 is sent to the dispensing waterway 10, and is flushed into the corresponding water supply pipeline 2 with the inlet water flow under the action of the suction structure 1, and enters the corresponding water storage cylinder 5 with the water flow in the water supply pipeline 2.
  • the following is an example of a multi-drum washing machine with two water cylinders 5, namely the first water cylinder 51 and the second water cylinder 52; and two liquid storage boxes 3, namely the first liquid storage box 31 and the second liquid storage box 32.
  • the specific control method is as follows:
  • the first water supply pipeline 21 of the automatic adding device feeds water into the first water storage cylinder 51.
  • the first pump 131 connected to the outlet of the first liquid storage box 31 is turned on, and the first pump 131 pumps the additive A stored in the first liquid storage box 31 to the adding water path 10.
  • the first water supply pipeline 21 flows through the first venturi tube 101, negative pressure is generated, and the additive A in the adding water path 10 is pumped by the negative pressure.
  • Agent A is drawn into the first water supply pipeline 21 and flushed into the first water cylinder 51 along with the incoming water flow; in the above process, part of the water in the first water supply pipeline 21 flows through the first flushing pipeline 61, the delivery waterway 10, and the first connecting pipeline 41 into the first venturi tube 101 to flush the residual additive A in the suction structure 1 and the delivery waterway 10, so that the additive A pumped to the delivery waterway 10 by the first pump 131 is completely flushed into the first water cylinder 51 along with the flushing water flow.
  • the second water supply pipeline 22 of the automatic adding device flows into the second water holding cylinder 52.
  • the first pump 131 provided at the outlet of the first liquid storage box 31 is turned on, and the first pump 131 pumps the additive A stored in the first liquid storage box 31 to the delivery water path 10; negative pressure is generated when the second water supply pipeline 22 flows through the second venturi tube 102, and the additive A in the delivery water path 10 is sucked into the second water supply pipeline 22 by the negative pressure, and flushed into the second water holding cylinder 52 along with the incoming water flow; during the above process, part of the water in the second water supply pipeline 22 flows through the second flushing pipeline 62, the delivery water path 10, and the second connecting pipeline 42 into the second venturi tube 102, so as to flush the residual additive A in the suction structure 1 and the delivery water path 10, so that the additive A pumped to the delivery water path 10 by the first pump 131 is completely flushed into the second water holding cylinder 52 along with the flushing water flow.
  • the first water supply pipeline 21 of the automatic adding device flows into the first water cylinder 51.
  • the second pump 132 provided at the outlet of the second liquid storage box 32 is turned on, and the second pump 132 pumps the additive B stored in the second liquid storage box 32 to the delivery water path 10; negative pressure is generated when the water in the first water supply pipeline 21 flows through the first venturi tube 101, and the additive B in the delivery water path 10 is sucked into the first water supply pipeline 21 by the negative pressure, and flushed into the first water cylinder 51 along with the inflowing water flow; during the above process, part of the water in the first water supply pipeline 21 flows through the first flushing pipeline 61, the delivery water path 10, and the first connecting pipeline 41 into the first venturi tube 101, so as to flush the residual additive B in the suction structure 1 and the delivery water path 10, so that the additive B pumped into the delivery water path 10 by the second pump 132 is completely flushed into the first water cylinder 51 along with the flushing water flow.
  • the second water supply pipeline 22 of the automatic adding device flows into the second water storage cylinder 52.
  • the second pump 132 provided at the outlet of the second liquid storage box 32 is turned on, and the second pump 132 pumps the additive B stored in the second liquid storage box 32 to the delivery water path 10; negative pressure is generated when the second water supply pipeline 22 flows through the second venturi tube 102, and the additive B in the delivery water path 10 is sucked into the second water supply pipeline 22 by the negative pressure, and flushed into the second water storage cylinder 52 along with the incoming water flow; during the above process, part of the water in the second water supply pipeline 22 flows through the second flushing pipeline 62, the delivery water path 10, and the second connecting pipeline 42 into the second venturi tube 102, so as to flush the residual additive B in the suction structure 1 and the delivery water path 10, so that the additive B pumped into the delivery water path 10 by the second pump 132 is completely flushed into the second water storage cylinder 52 along with the flushing water flow.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un dispositif de distribution automatique, un procédé de commande et une machine à laver à tambour multiple. Le dispositif de distribution automatique comprend : au moins deux boîtes de stockage de liquide (3), dans lesquelles sont reçus des additifs ; un trajet d'eau de distribution (10), les boîtes de stockage de liquide (3) étant reliées au trajet d'eau de distribution (10) au moyen d'une pompe (13), et un additif dans une boîte de stockage de liquide correspondante (3) étant extrait vers le trajet d'eau de distribution (10) sous l'action de la pompe (13) ; et au moins deux conduites d'alimentation en eau (2), aptes à transporter respectivement de l'eau vers des sorties d'eau des conduites d'alimentation en eau correspondantes (2). Le trajet d'eau de distribution (10) est en communication séparée en parallèle avec les conduites d'alimentation en eau (2) et, en utilisant un flux d'eau s'écoulant à travers une conduite d'alimentation en eau sélectionnée (2), l'additif, dans le trajet d'eau de distribution (10), qui est pompé par la pompe (13) est évacué vers la sortie d'eau de la conduite d'alimentation en eau sélectionnée (2).
PCT/CN2023/115392 2022-09-30 2023-08-29 Dispositif de distribution automatique, procédé de commande, et machine à laver à tambours multiples WO2024066859A1 (fr)

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CN202211218069.2 2022-09-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104178975A (zh) * 2013-05-22 2014-12-03 海尔集团公司 自动投放添加剂的洗衣机及其方法
CN208455295U (zh) * 2018-06-29 2019-02-01 杭州神林电子有限公司 洗涤剂投放器
CN110629464A (zh) * 2018-06-21 2019-12-31 青岛海尔滚筒洗衣机有限公司 一种自动投放装置及控制方法及多滚筒洗衣机
EP3839125A1 (fr) * 2019-12-19 2021-06-23 Miele & Cie. KG Dispositif d'alimentation en agent de traitement pour un lave-linge et lave-linge
CN218910874U (zh) * 2022-09-30 2023-04-25 青岛海尔洗衣机有限公司 一种自动投放装置及多滚筒洗衣机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104178975A (zh) * 2013-05-22 2014-12-03 海尔集团公司 自动投放添加剂的洗衣机及其方法
CN110629464A (zh) * 2018-06-21 2019-12-31 青岛海尔滚筒洗衣机有限公司 一种自动投放装置及控制方法及多滚筒洗衣机
CN208455295U (zh) * 2018-06-29 2019-02-01 杭州神林电子有限公司 洗涤剂投放器
EP3839125A1 (fr) * 2019-12-19 2021-06-23 Miele & Cie. KG Dispositif d'alimentation en agent de traitement pour un lave-linge et lave-linge
CN218910874U (zh) * 2022-09-30 2023-04-25 青岛海尔洗衣机有限公司 一种自动投放装置及多滚筒洗衣机

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