CN111074473A

CN111074473A - Multi-barrel washing machine putting system and washing machine adopting same

Info

Publication number: CN111074473A
Application number: CN202010022399.9A
Authority: CN
Inventors: 蔡诗阳; 林帆; 韦皓; 卢挺浩; 赖毅俊; 傅晓勇
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-11-02
Filing date: 2020-01-09
Publication date: 2020-04-28
Anticipated expiration: 2040-01-09
Also published as: CN111058220B; CN212152786U; CN111041768A; CN212152790U; CN111074480B; CN212152793U; CN111118809A; CN111206363A; EP4026938A4; CN111235818A; CN212152789U; CN111058219A; CN212357691U; CN111088642A; CN111197225A; CN111394931A; CN111074479A; CN111394931B; CN111235817B; CN111118810A

Abstract

The invention relates to a multi-tub washing machine delivery system and a washing machine using the same, comprising a first washing tub located above, which is provided with a first water inlet and a first drain; and a second washing tub located below, which is provided with a second washing tub two water inlets and a second water outlet; a throwing device is arranged between the first washing tub and the second washing tub, the upper part of the throwing device is provided with a first port, and the lower part is provided with a second port and a third port; The first port is communicated with the water inlet pipeline; the first washing tub water inlet pipeline is communicated between the second port and the first water inlet; the third port is communicated with the second water inlet The water inlet pipeline of the second washing bucket can prevent residual water from remaining in the pipeline and improve the reuse of residual water.

Description

Multi-barrel washing machine putting system and washing machine adopting same

Technical Field

The invention relates to a washing machine putting system and a washing machine adopting the same, in particular to a multi-barrel washing machine putting system and a washing machine adopting the same.

Background

In the existing multi-barrel washing machine on the market, the problem of water residue in a liquid pipe is existed in the washing process, so that the water resource can not be fully utilized in the washing process, and the next washing is easily polluted when the washing water is remained in the pipe for a long time.

Disclosure of Invention

The invention provides a multi-barrel washing machine feeding system and a washing machine adopting the same, which are provided with an automatic feeding device, wherein the automatic feeding device is provided with a water inlet port and a plurality of water outlet ports, the water outlet ports can be communicated with water inlets of washing barrels, the water inlets of the automatic feeding device are controlled through water inlet valves of the water inlet ports, the water inlets of the washing barrels are controlled through selective valves of the water outlet ports, the problem of residual liquid in a pipeline is solved through controlling the water inlet valves and the water discharge valves of the washing barrels, and the problem of improving the utilization rate of residual water in a washing process through a control method when a single barrel operates alone. Specifically, the method comprises the following steps:

a multiple tub washing machine dispensing system comprising:

a first washing tub positioned above and provided with a first water inlet and a first water outlet;

a second washing tub located below and provided with a second water inlet and a second water outlet;

the automatic throwing device is arranged between the first washing barrel and the second washing barrel, the upper part of the automatic throwing device is provided with a first port, and the lower part of the automatic throwing device is provided with a second port and a third port;

the first port is communicated with a water inlet pipeline;

a first washing barrel water inlet pipeline is communicated between the second port and the first water inlet;

a second washing barrel water inlet pipeline is communicated between the third port and the second water inlet.

The invention also provides a three-tub washing machine dispensing system, comprising:

the second washing barrel is positioned below the first washing barrel and is provided with a second water inlet and a second water outlet;

a third washing barrel positioned below the second washing barrel and provided with a third water inlet and a third water outlet;

the automatic throwing device is arranged between the second washing barrel and the third washing barrel, the upper part of the automatic throwing device is provided with a first port, and the lower part of the automatic throwing device is provided with a second port, a third port and a fourth port;

the first port is communicated with a water inlet pipeline;

a second washing barrel water inlet pipeline is communicated between the third port and the second water inlet;

a third washing barrel water inlet pipeline is communicated between the fourth port and the third water inlet.

Preferably, the third port is located at the lowest fluid point of the delivery device.

Preferably, the fourth port is located at the lowest liquid level point of the dispensing device.

Preferably, the second water outlet is communicated with a second water drainage pipeline, and second water drainage is arranged in the second water drainage pipeline; a first gate valve is arranged in a water inlet pipeline of the first washing barrel; a second gate valve is arranged in the water inlet pipeline of the second washing barrel.

Preferably, the third water outlet is communicated with a third water drainage pipeline, and a third water drainage valve is arranged in the third water drainage pipeline; a third gate valve is arranged in the water inlet pipeline of the third washing barrel.

The invention also provides a control method of the feeding system of the multi-barrel washing machine, and the feeding system provided by the invention is adopted.

The invention also provides a control method of the feeding system of the three-tub washing machine, and the feeding system provided by the invention is adopted.

Preferably, the control method of the multi-tub washing machine putting system is implemented by controlling the multi-tub washing machine after the multi-tub washing machine is started as follows:

detecting whether only the first washing barrel operates independently, if so, detecting whether the second washing barrel starts to operate in real time before the dehydration of the second washing barrel is finished; if not, the first washing barrel and the second washing barrel are considered to run simultaneously;

if only the first washing barrel is always operated independently before the first washing barrel finishes dewatering, discharging liquid remained in a water inlet pipeline of the first washing barrel to the outside of the multi-barrel washing machine;

if the second washing barrel is detected to start to operate before the first washing barrel finishes dewatering, after the second washing barrel finishes water inlet and liquid inlet, liquid remained in a water inlet pipeline of the first washing barrel is discharged into the second washing barrel;

if first washtub and second washtub move simultaneously, then implement into water, feed liquor to first washtub and second washtub in proper order from the top down to after second washtub is intake, the feed liquor is accomplished, make the liquid that remains in first washtub water inlet pipe arrange the second washtub in.

Preferably, the control method of the three-tub washing machine putting system is implemented by controlling the three-tub washing machine after the three-tub washing machine is started as follows:

detecting whether only the first washing barrel operates independently, and if so, detecting whether the second washing barrel and/or the third washing barrel starts to operate in real time before the dehydration of the first washing barrel is completed; if not, the first washing barrel, the second washing barrel and the third washing barrel are considered to run simultaneously;

if the second washing barrel or the third washing barrel is detected to start to operate before the first washing barrel finishes dewatering, after the second washing barrel or the third washing barrel finishes water inlet and liquid inlet, liquid remained in a water inlet pipeline of the first washing barrel is discharged into the second washing barrel or the third washing barrel;

if the second washing barrel and the third washing barrel are detected to run simultaneously before the first washing barrel is dewatered, water and liquid are fed into the second washing barrel and the third washing barrel from top to bottom in sequence, and after the water and the liquid are fed into the third washing barrel, liquid remained in a water inlet pipeline of the first washing barrel and a water inlet pipeline of the second washing barrel is discharged into the third washing barrel;

if first washtub, second washtub and third washtub move simultaneously, then implement into water, feed liquor to first washtub, second washtub and third washtub from top to bottom in proper order to after third washtub is intake, the feed liquor is accomplished, make the liquid that remains in first washtub water inlet pipe and in the second washtub water inlet pipe arrange the third washtub in.

Preferably, the manner of discharging the liquid remaining in the first washing tub water inlet line to the outside of the multi-tub washing machine is: the second drain valve is controlled to be opened firstly, and then the second selective valve and the first selective valve are controlled to be opened in sequence.

Preferably, the manner of discharging the liquid remaining in the water inlet line of the first washing tub into the second washing tub is: and controlling the second selective valve and the first selective valve to be opened in sequence.

Preferably, the operation step of discharging the liquid remaining in the water inlet pipeline of the first washing tub into the second washing tub further comprises controlling the second option valve and the first option valve to be opened for n seconds, closing the first option valve, opening the water inlet valve for m seconds, then closing the water inlet valve, and closing the water inlet valve for i seconds, then closing the second option valve.

The invention also provides a multi-barrel washing machine, which adopts the feeding system and/or the control method provided by the invention.

The invention also provides a three-tub washing machine, which adopts the feeding system and/or the control method provided by the invention.

According to the invention, the automatic feeding device is provided with the water inlet port and the water outlet ports, the water outlet ports can be communicated with the water inlets of the washing barrels, the water inlets of the automatic feeding device are controlled by the water inlet valves of the water inlet ports, and the water inlets of the washing barrels are controlled by the gate valves of the water outlet ports, so that the problem that liquid is remained in a liquid inlet pipeline after liquid inlet of the upper barrel is finished due to the fact that the height of the upper barrel of the multi-barrel washing machine is high and the water inlet valves need to be fed from the middle is solved, and the running states of other washing barrels are detected when a single barrel runs, so that the reutilization of the remained water.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic view of a multi-tub washing apparatus according to

embodiments

1 and 2 of the present invention:

fig. 2 is a schematic diagram 1 of an automatic delivery process in embodiment 2 of the present invention;

fig. 3 is a schematic diagram of an automatic delivery process 2 in embodiment 2 of the present invention;

in the figure;

1-a throwing device; 2-a water inlet pipeline; 21-a water inlet valve;

3-water inlet pipeline of the first washing barrel; 31-a first gate valve;

4-water inlet pipeline of the second washing barrel; 41-a second gate valve;

5-water inlet pipeline of the third washing barrel; 51-a third gate valve;

6-a first washing tub; 61-a first drain line; 611-a first drain valve;

7-a second washing tub; 71-a second drain line; 711-a second drain valve;

8-a third washing tub; 81-a third drain line; 811-a third drain valve;

9-main drainage pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

According to the invention, the feeding device is arranged between the lower barrel and the upper barrel, and liquid is fed in the sequence of the feeding when a plurality of barrels are washed simultaneously by adopting the principle of feeding liquid from top to bottom, so that residue is avoided; when a single barrel operates, the operation states of other washing barrels are detected, if other barrels operate, the residual water is injected into other washing barrels, and the reutilization of the residual water is improved; when only one upper barrel passes through, after the program operation is finished, the liquid inlet valve of the lower barrel and the liquid inlet valve of the upper barrel are opened, and the upper barrel is remained in the liquid inlet pipe, and liquid water is discharged.

Example 1:

as shown in fig. 1, the present embodiment provides a dispensing system of a multi-tub washing machine, which has three washing tubs, namely, a first washing tub 6, a second washing tub 7 and a third washing tub 8 from top to bottom, wherein the first washing tub 6 and/or the second washing tub 7 is an upper tub with respect to the third washing tub 8, and correspondingly, the third washing tub 8 is a lower tub with respect to the first washing tub 6 and/or the second washing tub 7; the first washing tub 6 is an upper tub with respect to the second washing tub 7, and correspondingly, the second washing tub 7 is an upper tub with respect to the first washing tub 6. Specifically, the method comprises the following steps:

a first washing tub 6 positioned above and provided with a first water inlet and a first water outlet;

a second washing tub 7 provided with a second water inlet and a second water outlet, which is located below the first washing tub 6;

a third washing tub 8 provided with a third water inlet and a third water outlet, which is positioned below the second washing tub 7;

the automatic feeding device 1 is arranged between the second washing barrel 7 and the third washing barrel 8, the upper part of the automatic feeding device 1 is provided with a first port, and the lower part of the automatic feeding device 1 is provided with a second port, a third port and a fourth port;

the first port is communicated with the water inlet pipeline 2;

a first washing barrel water inlet pipeline 23 is communicated between the second port and the first water inlet;

a second washing barrel water inlet pipeline 24 is communicated between the third port and the second water inlet;

a third washing barrel water inlet pipeline 25 is communicated between the fourth port and the third water inlet.

Preferably, the fourth port is located at the lowest fluid point of the dosing device 1.

The first port is communicated with a water inlet pipeline 2, the water inlet pipeline 2 is connected with an external water source, and water can enter the automatic putting device 1 through the first port before washing.

Preferably, a water inlet valve 21 is arranged in the water inlet pipeline 2 and used for controlling water inflow of the feeding device 1, the water inlet valve 21 is opened, and an external water source can feed water into the automatic feeding device 1 through the water inlet pipeline 2; when the water inlet valve 21 is closed, the water supply to the automatic dispensing device 1 is stopped.

Preferably, the upper part of the feeding device 1 is further provided with a liquid inlet port, the liquid inlet port is communicated with a liquid inlet pipeline, and the washing liquid can enter the feeding device 1 through the liquid inlet pipeline and the liquid inlet port.

Preferably, a liquid inlet valve is arranged in the liquid inlet pipeline and used for controlling liquid inlet of the throwing device 1, and when the liquid inlet valve is opened, the washing liquid can enter the automatic throwing device 1 through the liquid inlet pipeline; and the liquid inlet valve is closed, so that the washing liquid is prevented from entering the automatic feeding device 1.

The second port and the first water inlet are communicated with a first washing barrel water inlet pipeline 23, washing water with washing liquid in the putting device 1 can pass through the first washing barrel water inlet pipeline 23, and the first water inlet enters the first washing barrel 6, so that the washing liquid and the washing water are provided for articles to be washed in the first washing barrel 6.

Preferably, a first selective valve 31 is arranged in the water inlet pipeline 23 of the first washing barrel and used for controlling water inlet and liquid inlet of the first washing barrel 6, the first selective valve 31 is opened, and washing water with washing liquid in the feeding device 1 can enter the first washing barrel 6; closing the first selective valve 31 prevents the washing water with washing liquid in the dosing device 1 from entering the first washing tub 6.

A second washing barrel water inlet pipeline 24 is communicated between the third port and the second water inlet, washing water with washing liquid in the putting device 1 can pass through the second washing barrel water inlet pipeline 24, and the second water inlet enters the second washing barrel 7, so that washing liquid and washing water are provided for articles to be washed in the second washing barrel 7.

Preferably, a second selective valve 41 is arranged in the water inlet pipeline 24 of the second washing barrel and is used for controlling water inlet and liquid inlet of the second washing barrel 7, the second selective valve 41 is opened, and washing water with washing liquid in the feeding device 1 can enter the second washing barrel 7; the second selective valve 41 is closed, and the washing water with the washing liquid in the putting device 1 is prevented from entering the second washing tub 7.

A third washing barrel water inlet pipeline 25 is communicated between the fourth port and the third water inlet, washing water with washing liquid in the feeding device 1 can enter the third washing barrel 8 through the third washing barrel water inlet pipeline 25 and the third water inlet, and washing liquid and washing water are provided for articles to be washed in the third washing barrel 8.

Preferably, a third selective valve 51 is arranged in the third washing barrel water inlet pipeline 25 and is used for controlling water inlet and liquid inlet of the third washing barrel 8, the third selective valve 51 is opened, and washing water with washing liquid in the feeding device 1 can enter the third washing barrel 8; the third selective valve 51 is closed, and the washing water with the washing liquid in the putting device 1 is prevented from entering the third washing tub 8.

Preferably, the dispensing system further comprises a first water discharge pipeline 61, a second water discharge pipeline 71, a third water discharge pipeline 81 and a main water discharge pipeline 9, wherein a first end of the first water discharge pipeline 61 is connected with a first water discharge port of the first washing tub 6, a second end of the first water discharge pipeline 61 is connected with a first end of the main water discharge pipeline 9, so that water discharge of the first washing tub 6 after completion of dewatering can be realized; the first end of the second water discharge pipeline 71 is connected with a second water discharge port of the second washing tub 7, and the second end of the second water discharge pipeline 71 is connected with the middle position of the main water discharge pipeline 9, so that water discharge of the second washing tub 7 after dehydration can be realized; the first end of the third drain pipeline 81 is connected with the third drain port of the third washing tub 8, the second end of the third drain pipeline 81 is connected with the lower end of the main drain pipeline 9, so that the drain of the third washing tub 8 after the dehydration is completed can be realized, and the second end of the main drain pipeline 9 leads to the outside of the washing machine.

Preferably, the first drain pipe 61 is provided with a first drain valve 611 for controlling the drainage of the first washing tub 6, and when the first drain valve 611 is opened, the sewage washed in the first washing tub 6 can be drained through the first drain pipe 61.

Preferably, the second drain line 71 is provided with a second drain valve 711 for controlling the drainage of the second washing tub 7, and the second drain valve 711 is opened so that the sewage washed in the second washing tub 7 can be drained through the second drain line 71.

Preferably, the third drain line 81 is provided with a third drain valve 811 for controlling the drainage of the third washing tub 8, and the third drain valve 811 is opened so that the sewage washed in the third washing tub 8 can be drained through the third drain line 81.

Preferably, the washing machine putting system in this embodiment may have not only three washing tubs, but also two washing tubs, or four or more washing tubs.

The throwing system for the multi-barrel washing machine, provided in the embodiment, is arranged between the second washing barrel 7 and the third washing barrel 8, the automatic throwing device 1 is provided with a water inlet port and a plurality of water outlet ports, the water outlet ports can be communicated to water inlets of the washing barrels, the water inlets of the automatic throwing device are controlled through water inlet valves of the water inlet ports, the selective valve of the water outlet ports controls the water inlets of the washing barrels, water resources are fully utilized, and pollution to next washing caused by the fact that washing water is reserved in a pipeline for a long time is avoided.

Example 2:

referring to fig. 2-3, the present embodiment provides a control method for a dispensing system of a multi-tub washing machine, which is suitable for the dispensing system of the multi-tub washing machine provided in embodiment 1, in which the multi-tub washing machine has two washing tubs, i.e. a first washing tub 6 and a second washing tub 7, wherein the first washing tub 6 is located above the second washing tub 7, so that the first washing tub 6 is an upper tub and the second washing tub 7 is a lower tub. The following control is carried out after the multi-barrel washing machine is started:

detecting whether only the first washing tub 6 operates alone, and if so, detecting whether the second washing tub 7 starts to operate in real time before the dehydration is completed; if not, it is considered that the first washtub 6 and the second washtub 7 are simultaneously operated.

Before the first washing barrel 6 is washed, the water inlet valve 21, the liquid inlet valve and the first selection valve 31 are controlled to be opened simultaneously, so that washing liquid and washing water firstly enter the putting device 1, the washing water containing the washing liquid flows into the first washing barrel water inlet pipeline 23 through the second port of the putting device 1 and finally enters the first washing barrel 6, the water inlet valve 21 and the liquid inlet valve are closed simultaneously after the water inlet and the liquid inlet of the first washing barrel 6 are completed, and then the first selection valve 31 is closed.

If only the first washing tub 6 is always operated alone, the liquid remaining in the first washing tub water inlet line 2 is discharged to the outside of the multi-tub washing machine.

Preferably, whether the second washing tub 7 is operated or not is judged according to the operation state of the washing program of the washing machine, specifically, whether the second washing tub 7 is operated or not is judged according to the power, the rotating speed or the feedback information in the program, specifically, when the judgment is carried out according to the feedback information, if the controller has the feedback information of the operation of the second washing tub 7, the operation of the second washing tub 7 is indicated, otherwise, the operation of the second washing tub 7 is not indicated; and when judging according to the power and the rotating speed, if the rotating speed is zero and the power is close to zero, indicating that the second washing barrel is not operated, otherwise indicating that the second washing barrel 7 starts to operate.

Preferably, if it is detected that only the first washing tub 6 operates alone before the first washing tub 6 is dehydrated, the second drain valve 711 is controlled to be opened first after the first washing tub 6 is dehydrated, the second selection valve 41 and the first selection valve 31 are sequentially opened, so that the liquid remaining in the first washing tub water inlet pipeline 23 flows back to the input device 1, the input device 1 flows into the second washing tub 7 through the second washing tub water inlet pipeline 24, and finally flows out of the washing machine through the second drain pipeline 71, and the first selection valve 31, the second selection valve 41 and the second drain valve 711 are sequentially closed after the residual liquid is discharged, so that the liquid remaining in the first washing tub water inlet pipeline 23 is prevented from being left in the pipeline for a long time and deteriorating.

If it is detected that the second washing tub 7 starts to operate before the first washing tub 6 finishes dehydrating, the liquid remaining in the water inlet pipe 23 of the first washing tub is discharged into the second washing tub 7 after the water inlet and the liquid inlet of the second washing tub 7 are finished.

Specifically, if the operation of the second washing tub 7 is detected before the dehydration of the first washing tub 6 is completed, after the water inlet and the liquid inlet of the second washing tub 7 are completed, the second gate valve 41 and the first gate valve 31 are controlled to be sequentially opened, so that the liquid remaining in the water inlet pipeline 23 of the first washing tub flows back to the input device 1 first, the first gate valve 31 is closed after n seconds, the water inlet valve 21 is controlled to be opened, the washing water enters the input device 1 to flush the input device for m seconds, the water inlet valve 21 is controlled to be closed after m seconds, after the water inlet valve 21 is closed for i seconds, the washing water in the automatic input device 1 flows into the second washing tub 7, and then the second gate valve 41 is closed, so that the second washing tub 7 starts to be washed, wherein n ranges from 0 second to 10 seconds, and the embodiment preferably takes 3 seconds; m ranges from 0 seconds to 10 seconds, with this embodiment preferably 2 seconds; i ranges from 0 seconds to 10 seconds, with this embodiment preferably 2 seconds.

If the first washing barrel 6 and the second washing barrel 7 operate simultaneously, water inlet and liquid inlet are sequentially carried out on the first washing barrel 6 and the second washing barrel 7 from top to bottom, and after the water inlet and the liquid inlet of the second washing barrel 7 are completed, liquid remained in the water inlet pipeline 23 of the first washing barrel is discharged into the second washing barrel 7.

Specifically, if the first washing barrel 6 and the second washing barrel 7 operate simultaneously, the water inlet valve 21, the liquid inlet valve and the first selection valve 31 are controlled to be opened simultaneously, so that the washing liquid and the washing water firstly enter the feeding device 1, the washing water containing the washing liquid flows into the first washing barrel water inlet pipeline 23 through the second port of the feeding device 1 and finally enters the first washing barrel 6, the washing is started after the water inlet and the liquid inlet of the first washing barrel 6 are completed, the first selection valve 31 is closed, the second selection valve 41 is opened, the washing water containing the washing liquid flows into the second washing barrel water inlet pipeline 24 through the third port of the feeding device 1 and finally enters the second washing barrel 7, and the water inlet valve 21 and the liquid inlet valve are controlled to be closed simultaneously after the water inlet and the liquid inlet of the second washing barrel 7 are completed.

After the water and liquid feeding of the second washing barrel 7 are completed, the second selective valve 41 is still in an open state, the first selective valve 31 is controlled to be opened, so that the liquid remained in the water inlet pipeline 23 of the first washing barrel firstly flows back to the feeding device 1, the first selective valve 31 is closed after the duration of n seconds, the water inlet valve 21 is controlled to be opened, the washing water enters the feeding device 1 to flush the washing water for m seconds, the water inlet valve 21 is controlled to be closed after m seconds, the washing water in the automatic feeding device 1 flows into the second washing barrel 7 after the water inlet valve 21 is closed for i seconds, the second selective valve 41 is closed, so that the second washing barrel 7 starts to wash, wherein n ranges from 0 second to 10 seconds, and the preferred embodiment is 3 seconds; m ranges from 0 seconds to 10 seconds, with this embodiment preferably 2 seconds; i ranges from 0 seconds to 10 seconds, with this embodiment preferably 2 seconds.

Preferably, the control method in this embodiment may control not only two washing tubs, but also three, or four or more washing tubs, and the selector valve and the drain valve connected thereto.

According to the invention, the throwing device is arranged between the first washing barrel 6 and the second washing barrel 7, water residues exist in the liquid inlet pipe and the automatic throwing device 1 after the first washing barrel 6 is thrown, and liquid is fed by adopting the principle of top and bottom when a plurality of barrels are washed simultaneously through the liquid inlet sequence, so that the residues are avoided; when a single barrel operates, the operation states of other washing barrels are detected, if other barrels operate, the residual water is injected into other washing barrels, and the reutilization of the residual water is improved; when only the first washing barrel 6 positioned above operates, after the program operation is finished, the liquid inlet valve of the second washing barrel 7 and the liquid inlet valve of the first washing barrel 6 are opened, and the first washing barrel 6 is remained in the liquid inlet pipe to discharge liquid water.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. a multi-barrel washing machine delivery system is characterized in that, comprising:

The first washing tub located above is provided with a first water inlet and a first drain;

The second washing tub located below is provided with a second water inlet and a second drain;

a throwing device is arranged between the first washing tub and the second washing tub, the upper part of the throwing device is provided with a first port, and the lower part is provided with a second port and a third port;

the first port is connected to the water inlet pipeline;

A first washing tub water inlet pipeline is communicated between the second port and the first water inlet;

A second washing tub water inlet pipeline is communicated between the third port and the second water inlet.

2. A three-barrel washing machine delivery system is characterized in that, comprising:

a second washing tub located below the first washing tub, which is provided with a second water inlet and a second drain;

a third washing tub located below the second washing tub, which is provided with a third water inlet and a third drain;

a throwing device is arranged between the second washing tub and the third washing tub, the upper part of the automatic throwing device is provided with a first port, and the lower part is provided with a second port, a third port and a fourth port;

the first port is connected to the water inlet pipeline;

A second washing tub water inlet pipeline is communicated between the third port and the second water inlet;

A third washing tub water inlet pipeline is communicated between the fourth port and the third water inlet.

3. The dosing system of claim 1, wherein the third port is located at the lowest liquid level point of the dosing device.

4. The dosing system of claim 2, wherein the fourth port is located at the lowest liquid level point of the dosing device.

5. The delivery system according to claim 1 or 2, wherein the second drain port is connected to a second drain pipeline, and a second drain valve is provided in the second drain pipeline; A first gate valve is arranged in the water inlet pipeline of the washing bucket; and a second gate valve is arranged in the water inlet pipeline of the second washing bucket.

6 . The delivery system according to claim 2 , wherein the third drain port is connected to a third drain pipeline, and the third drain pipeline is provided with a third drain valve; the third washing tub is 6 . A third gate valve is arranged in the water inlet pipeline.

7 . A method for controlling the delivery system of a multi-tub washing machine, wherein the delivery system according to claim 1 , 3 or 5 is adopted. 8 .

8. The control method according to claim 7, wherein after the multi-tub washing machine is started, the following controls are implemented:

Detect whether only the first washing tub is running alone, if so, perform real-time detection on whether the second washing tub starts to run before its dehydration is completed; if no, it is considered that the first washing tub and all said second washing tubs run at the same time;

If it is detected that only the first washing tub runs alone until the dehydration of the first washing tub is completed, the liquid remaining in the water inlet pipeline of the first washing tub is discharged to the outside of the multi-tub washing machine;

If it is detected that the second washing tub starts to run before the dehydration of the first washing tub is completed, after the second washing tub is filled with water and liquid is completed, the residue will remain in the water inlet pipeline of the first washing tub. The liquid is discharged into the second washing tub;

If the first washing tub and the second washing tub run at the same time, the first washing tub and the second washing tub are supplied with water and liquid in sequence from top to bottom, and the second washing tub After the washing tub is filled with water and liquid, the liquid remaining in the water inlet pipeline of the first washing tub is discharged into the second washing tub.

9 . A method for controlling the delivery system of a three-barrel washing machine, wherein the delivery system according to any one of claims 2 or 4 or 5-6 is adopted. 10 .

10. The control method according to claim 9, characterized in that, after the three-tub washing machine is started, the following controls are implemented:

Detect whether only the first washing tub is running alone, if so, perform real-time detection on whether the second washing tub and/or the third washing tub starts to run before the dehydration is completed; if not, then It is considered that the first washing tub, the second washing tub and the third washing tub operate simultaneously;

If it is detected that only the first washing tub runs alone before the dehydration of the first washing tub is completed, the liquid remaining in the water inlet pipeline of the first washing tub is discharged to the outside of the multi-tub washing machine;

If it is detected that the second washing tub or the third washing tub starts to run before the dehydration of the first washing tub is completed, after the second washing tub or the third washing tub is filled with water and liquid is completed , so that the liquid remaining in the water inlet pipeline of the first washing tub is discharged into the second washing tub or the third washing tub;

If it is detected that the second washing tub and the third washing tub are running at the same time before the dehydration of the first washing tub is completed, water is supplied to the second washing tub and the third washing tub in order from top to bottom. , into the liquid, and after the third washing bucket is filled with water and the liquid is completed, the liquid remaining in the water inlet pipeline of the first washing bucket and the water inlet pipeline of the second washing bucket is discharged to the in the third washing tub;

If the first washing tub, the second washing tub and the third washing tub run at the same time, the first washing tub, the second washing tub and the third washing tub are washed sequentially from top to bottom The bucket is filled with water and liquid, and after the third washing bucket is filled with water and liquid, the liquid remaining in the water inlet pipeline of the first washing bucket and the water inlet pipeline of the second washing bucket is made to remain. into the third washing tub.

11. The control method according to claim 8 or 10, wherein the method of discharging the liquid remaining in the water inlet pipeline of the first washing tub to the outside of the multi-tub washing machine is: firstly controlling the first washing tub The second drain valve is opened first, and then the second gate valve and the first gate valve are controlled to be opened in sequence.

12. The control method according to claim 8 or 10, wherein the method of discharging the liquid remaining in the water inlet pipeline of the first washing tub into the second washing tub is: controlling the first washing tub The second gate valve and the first gate valve are opened sequentially.

13. The control method according to claim 12, wherein the operation step of discharging the liquid remaining in the water inlet pipeline of the first washing tub into the second washing tub further comprises: controlling the first washing tub. The second gate valve and the first gate valve are opened for n seconds, close the first gate valve, open the water inlet valve for m seconds, then close the water inlet valve, and close the water inlet valve for 1 second after Close the second gate valve.

14. A multi-tub washing machine, characterized in that the delivery system according to claim 1, 3 or 5 is adopted, and/or the control method according to any one of 7 or 9 or 11-13 is adopted.

15. A three-tub washing machine, characterized in that the delivery system according to any one of claims 2 or 4 or 5-6 is adopted, and/or the control method according to any one of 8 or 10-13 is adopted.