WO2017107360A1

WO2017107360A1 - Automatic dispensing system and multiple laundry machine having same

Info

Publication number: WO2017107360A1
Application number: PCT/CN2016/081186
Authority: WO
Inventors: 裴东法; 张鹏; 朱启龙
Original assignee: 无锡小天鹅股份有限公司
Priority date: 2015-12-22
Filing date: 2016-05-05
Publication date: 2017-06-29

Abstract

An automatic dispensing system and a multiple laundry machine (10) having same, wherein the automatic dispensing system comprises: a detergent storage box (20), a reversing valve (30), a dispensing pump (40), and a valve body assembly (50). Multiple detergent storage chambers (21) are provided inside the detergent storage box (20). The detergent storage box (20) is in communication with the reversing valve (30). The reversing valve (30) comprises a liquid outlet (34) and multiple liquid inlets (31). The valve body assembly 50 comprises a water inlet valve port (51) and multiple water outlet valve ports (52).

Description

Automatic delivery system and its composite washing machine

Technical field

The invention relates to the technical field of household appliances, in particular to an automatic washing machine for a composite washing machine and a composite washing machine having the automatic dispensing system for the washing machine.

Background technique

In order to meet the diversified needs of users for washing clothes, some novel composite washing machines have emerged on the market. The washing machine can realize the functions of two washing machines, usually a combination of one large and one small washing machine. Although the product can fully solve the user's demand for laundry classification, the existing composite washing machine, detergent or softener on the market needs to be manually added by the user during the delivery process, which is not only inconvenient to operate, but also each washing bucket is used alone. When it is easy, it is easy to deliver.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent.

Accordingly, it is an object of the present invention to provide an automatic dispensing system for a composite washing machine that has the advantages of a simple structure and low cost.

Another object of the present invention is to provide a composite washing machine having the above automatic dispensing system.

An automatic dispensing system for a composite washing machine according to an embodiment of the present invention, the composite washing machine includes a plurality of washing tubs, the automatic dispensing system comprising: a detergent storage box, wherein the detergent storage box defines a plurality of detergents a storage chamber; a reversing valve, the diverter valve includes a liquid outlet and a plurality of liquid inlets, the detergent storage box is in communication with the reversing valve, and the plurality of inlet ports are respectively a detergent storage chamber having a one-to-one correspondence; a delivery pump having an inlet and an outlet, an inlet of the delivery pump being connected to the outlet, the outlet being connected to one of the inlets and Disconnecting from the remaining liquid inlets to cause the delivery pump to pump the selected detergent to the outlet of the delivery pump; and a valve body assembly including the inlet valve port and the plurality of outlets a valve port, a plurality of the water outlet valve ports are in one-to-one correspondence with the plurality of washing tubs, the water inlet valve port is in communication with the outlet port, and the water inlet valve port is connected to one of the water outlet valve ports And disconnected from the remaining outlet valve ports to enable the delivery pump Selected detergent pumped to the respective wash tub.

An automatic dispensing system for a composite washing machine according to an embodiment of the present invention, by using a reversing valve to connect one of the plurality of detergent storage chambers with the liquid outlet, and then using the valve body assembly to make the liquid outlet and the corresponding washing The barrels are connected so that different detergents can be placed in the same washing tub or in different washing tubs in sequence, or the same detergent can be sequentially placed into the same washing tub or in different washing tubs, thereby facilitating the realization of the composite washing machine Automatic delivery of detergent, take The operation of manually adding detergent is avoided, thereby avoiding the possibility of mis-injection due to manual addition of detergent, and improving the performance of the composite washing machine.

According to an embodiment of the invention, the valve body assembly is a Y-type solenoid valve.

Optionally, the reversing valve is an electromagnetic steering valve.

According to an embodiment of the present invention, the electromagnetic steering valve includes an electromagnetic switching unit including a plurality of solenoid valves that are in one-to-one correspondence with the plurality of liquid inlets.

In some embodiments of the present invention, each of the solenoid valves includes: an electromagnet having a downwardly defined passage therein; an iron core, the iron core being movably disposed in the passage And a spring, the upper end of the spring abuts against the top wall of the passage and the lower end of the spring abuts against the upper end of the core to normally push the lower end of the core downward to close the corresponding liquid inlet.

According to some embodiments of the present invention, an automatic dispensing system for a composite washing machine further includes a flushing branch, the flushing branch being provided with a water inlet valve to control disconnection or communication of the flushing branch, the flushing branch and The inlet valve port is in communication.

Further, the flushing branch is in communication with the inlet valve port through the inlet of the delivery pump.

Further, the reversing valve includes a water inlet, the flushing branch communicates with the inlet of the delivery pump through the water inlet, and the detergent is pumped from the one of the inlets to the delivery pump After exiting, the flushing branch is selectively communicated with the water inlet to pump water through the water inlet and outlet to the outlet.

A composite washing machine according to an embodiment of the present invention, comprising: a plurality of washing tubs; and an automatic dispensing system for a composite washing machine as described above, wherein the water outlet valve port of the valve body assembly and the washing tub are one by one Corresponding and connected.

According to the composite washing machine of the embodiment of the present invention, one of the plurality of detergent storage chambers is communicated with the liquid outlet by using the reversing valve, and then the valve body assembly is used to connect the liquid outlet to the corresponding washing tub, thereby The different detergents are sequentially placed in the same washing tub or in different washing tubs, or the same detergent is sequentially placed in the same washing tub or in different washing tubs, thereby facilitating automatic dispensing of the detergent of the composite washing machine. It replaces the operation of manually adding detergent, thereby avoiding the possibility of mis-injection due to manual addition of detergent, and improving the performance of the composite washing machine.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of an automatic dispensing system for a composite washing machine in accordance with one embodiment of the present invention;

Figure 2 is a partial structural view of the valve body assembly of Figure 1, wherein the outlet valve opening and closing of the valve body assembly is schematic;

3 is a partial structural schematic view of the valve body assembly of FIG. 1, wherein the outlet valve opening and closing of the valve body assembly is schematic.

Reference mark:

a composite washing machine 10, a washing tub 11, an upper washing tub 11a, and a lower washing tub 11b,

Detergent storage box 20, detergent storage chamber 21,

Directional valve 30, inlet port 31, water inlet 33, outlet port 34,

Put pump 40, inlet 41, outlet 42,

Valve body assembly 50, inlet valve port 51, outlet valve port 52,

The branch circuit 60 is flushed with the water inlet valve 61.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", " The orientation or positional relationship of the indications of "upright", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and The simplification of the description is not intended to limit or imply that the device or component that is referred to has a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless otherwise stated.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

An automatic dispensing system for a composite washing machine 10 in accordance with an embodiment of the present invention will now be described in detail with reference to FIGS. 1-3. Among them, the composite washing machine 10 may include a plurality of washing tubs 11.

As shown in FIGS. 1 to 3, an automatic dispensing system for a composite washing machine 10 according to an embodiment of the present invention includes a detergent storage box 20, a reversing valve 30, a dispensing pump 40, and a valve body assembly 50.

Specifically, a plurality of detergent storage chambers 21 are defined within the detergent storage case 20, whereby different detergents can be placed into different detergent storage chambers 21. For example, as shown in FIG. 1, the detergent storage box 20 can be defined There are two detergent storage chambers 21, and different detergents can be stored in the two detergent storage chambers 21. Of course, the number of the detergent storage chambers 21 can also be increased based on the type of the detergent on the basis of the embodiment shown in FIG. 1. For example, the detergent storage chamber 21 can be three, four, etc., which is suitable for the field. It is understandable to the skilled person. It should be noted that the detergent herein may include a detergent, a disinfectant or a softener, etc., that is, a detergent generally refers to a liquid used for washing laundry.

As shown in FIG. 1, the reversing valve 30 may include a liquid outlet 34 and a plurality of liquid inlets 31, and the detergent storage box 20 communicates with the reversing valve 30, wherein the plurality of liquid inlets 31 and the plurality of detergents respectively The storage chambers 21 correspond one-to-one. That is, the detergent in the detergent storage chamber 21 can enter the reversing valve 30 through the corresponding inlet port 31 and then flow out from the outlet port 34.

The delivery pump 40 has an inlet 41 and an outlet 42. The inlet 41 of the delivery pump 40 is connected to the outlet 34, and the outlet 34 communicates with one of the inlets 31 and is disconnected from the remaining inlets 31 for delivery. Pump 40 pumps the selected detergent to outlet 42 of delivery pump 40. That is, at the same time, the dispensing pump 40 can only pump one type of detergent into the corresponding washing tub 11. When one of the plurality of liquid inlets 31 is in communication with the corresponding detergent storage chamber 21, the detergent stored in the detergent storage chamber 21 can pass through the corresponding liquid inlet port by the application pump 40. 31 enters the reversing valve 30 and flows into the dispensing pump 40 through the liquid outlet 34.

The valve body assembly 50 has a water inlet valve port 51 and a plurality of water outlet valve ports 52. The plurality of water outlet valve ports 52 are in one-to-one correspondence with the plurality of washing tubs 11, and the inlet valve port 51 communicates with the outlet port 42 and the inlet valve port. 51 is in communication with one of the outlet valve ports 52 and is disconnected from the remaining outlet valve ports 52 to cause the delivery pump 40 to pump selected detergents into the respective wash tubs 11. When one of the plurality of inlet ports 31 is in communication with the corresponding detergent storage chamber 21, the inlet valve port 51 of the valve body assembly 50 communicates with one of the plurality of outlet valve ports 52, and the inlet valve port 51 is The remaining outlet valve port 52 is disconnected. Under the action of the delivery pump 40, the detergent stored in the detergent storage chamber 21 can enter the reversing valve 30 through the corresponding inlet port 31 and pass through the outlet port. 34 flows into the delivery pump 40, and the detergent in the delivery pump 40 flows out of the outlet 42 and then flows into the valve body assembly 50 through the inlet valve port 51, and the detergent flows from the inlet valve port 51 to the corresponding outlet valve port 52, And flowing from the corresponding outlet valve port 52 into the corresponding washing tub 11.

As shown in FIG. 1 to FIG. 3, the delivery process of the automatic delivery system for the composite washing machine 10 according to an embodiment of the present invention is described in detail below, as follows:

First, before the laundry tub 11 washes the laundry, one of the detergent storage chambers 21 communicates with the liquid inlet port 31 of the reversing valve 30, and the remaining detergent storage chamber 21 is disconnected from the liquid inlet port 31 of the reversing valve 30. The detergent in one of the detergent storage chambers 21 can enter the diverter valve 30 from the corresponding inlet port 31 and flow out from the outlet port 34 of the reversing valve 30, and the detergent acts on the delivery pump 40. Flowing through the delivery pump 40 and entering the washing tub 11 through the outlet valve port 52 of the valve body assembly 50 communicating with the washing tub 11;

Second, when the washing tub 11 washing process is completed, the other detergent storage chamber 21 and the reversing valve 30 are advanced. The liquid port 31 is in communication, and the remaining detergent storage chamber 21 is disconnected from the liquid inlet port 31 of the reversing valve 30, wherein the detergent in the other detergent storage chamber 21 can enter the reversing valve from the corresponding liquid inlet 31. 30, and from the outlet port 34 of the reversing valve 30, the detergent flows through the delivery pump 40 under the action of the delivery pump 40, and enters through the outlet valve port 52 of the valve body assembly 50 that communicates with the washing tub 11 Go to the washing tub 11.

So far, the dispensing process of the detergent to the washing tub 11 of the composite washing machine 10 has been completed.

An automatic dispensing system for a composite washing machine 10 according to an embodiment of the present invention, by using a reversing valve 30 to communicate one of the plurality of detergent storage chambers 21 with the liquid outlet 34, and then using the valve body assembly 50 to discharge the liquid The port 34 is in communication with the corresponding washing tub 11 so that different detergents can be dispensed into the same washing tub 11 or in different washing tubs 11 in order, or the same detergent can be sequentially delivered into the same washing tub 11 or different washings. In the barrel 11, the automatic dispensing of the detergent of the composite washing machine 10 is easily realized, instead of the operation of manually adding the detergent, thereby avoiding the possibility of mis-injection due to manual addition of the detergent, and improving the performance of the composite washing machine 10. .

According to an example of the invention, the valve body assembly 50 can be a Y-type solenoid valve. Thereby, the structure of the automatic dispensing system can be simplified, and the production cost of the composite washing machine 10 can be reduced. For example, as shown in Figures 2 and 3, the valve body assembly 50 includes a water inlet valve port 51 and two water outlet valve ports 52, one of which is located on the left side of the inlet valve port 51 (Fig. 2). The left side valve shown in FIG. 3, another water outlet valve port 52 is located on the right side of the water inlet valve port 51 (on the right side as shown in FIGS. 2 and 3), wherein, as shown in FIG. 2, the valve body assembly 50 The upper inlet valve port 51 communicates with the outlet valve port 52 on the right side, and is disconnected from the outlet valve port 52 on the left side. As shown in FIG. 3, the inlet valve port 51 on the valve body assembly 50 is located at the left. The side outlet valve port 52 communicates and is disconnected from the outlet valve port 52 located on the right side.

According to one example of the invention, the reversing valve 30 can be an electromagnetic steering valve, thereby facilitating automated control of the automatic dispensing system. Further, the electromagnetic steering valve may include an electromagnetic switching unit including a plurality of solenoid valves in one-to-one correspondence with the plurality of inlet ports 31, thereby facilitating control of opening and closing of the plurality of inlet ports 31.

Further, each of the solenoid valves may include: an electromagnet, an iron core, and a spring. Wherein, the electromagnet defines a channel with an opening downward, the iron core is vertically movable in the channel, the upper end of the spring abuts against the top wall of the channel and the lower end of the spring abuts against the upper end of the core to push the core downward The lower end closes the corresponding liquid inlet 31.

It should be noted that, through the action of the electromagnetic control component in the reversing valve 30, the liquid outlet 34 communicates with one of the liquid inlets 31 and is disconnected from the remaining liquid inlets 31, and is washed by the injection pump 40. The detergent in the agent storage chamber 21 enters the diverter valve 30 through the inlet port 31, and enters the valve body assembly 50 through the delivery pump 40. The corresponding outlet valve port 52 of the valve body assembly 50 and the corresponding The washing tub 11 is in communication, whereby the detergent can be discharged into the corresponding washing tub 11.

According to some embodiments of the invention, an automatic dispensing system for a composite washing machine may also include a flushing branch 60. Wherein, the flushing branch 60 is provided with a water inlet valve 61 to control the flushing branch 60 to open or communicate, the flushing branch 60 is in communication with the inlet valve port 51, and the flushing branch 60 passes through the inlet 41 and the inlet water of the injection pump 40. The valve port 51 is in communication. As a result, automatic delivery After the system has placed a detergent, the automatic dispensing system can be flushed by the flushing branch 60, thereby reducing the possibility of mixing different types of detergents, thereby effectively improving the detergent delivery effect of the automatic dispensing system. The use requirements of the composite washing machine 10 are met.

Further, the flushing branch 60 is in communication with the inlet valve port 51 through the inlet 41 of the dispensing pump 40. Thereby, the flushing branch 60 can flush the dispensing pump 40, the valve body assembly 50, the communication tube connected between the above components, and the communication tube connected between the valve body assembly 50 and the washing tub 11, thereby reducing the residue. The concentration of the detergent in the delivery pump 40, the valve body assembly 50, the communication pipe connected between the above components, and the communication pipe connected between the valve body assembly 50 and the washing tub 11 can effectively improve the automatic dispensing system. The detergent delivery effect satisfies the use requirements of the composite washing machine 10.

Alternatively, the reversing valve 30 may include a water inlet 33 through which the flushing branch 60 communicates with the inlet 41 of the delivery pump 40, after the detergent is pumped from one of the inlets 31 to the outlet 42 of the delivery pump, The flushing branch 60 is selectively communicated with the water inlet 33 to pump water through the water inlet port 33 and the liquid outlet 34 to the outlet 42 through the inlet valve 61. That is, when the automatic dispensing system is dispensing the detergent, the water inlet 33 of the reversing valve 30 is closed, the flushing branch 60 and the reversing valve 30 are not in communication, and when the automatic dispensing system delivers the detergent, the reversing The water inlet 33 of the valve 30 is opened, the liquid inlet 31 of the reversing valve 30 can be closed, and the flushing branch 60 is connected to the water inlet 33 of the reversing valve 30. At this time, the flushing branch 60 can be used for the reversing valve 30 and the pump. 40. A valve body assembly 50, a communication pipe connected between the above components, and a communication pipe connected between the valve body assembly 50 and the washing tub 11 for flushing.

It should be noted that after the detergent is pumped from one of the inlet ports 31 to the outlet 42 of the delivery pump 40, and the outlet valve port 52 of the valve body assembly 50, the reversing valve 30 is blocked due to the frequent use of the detergent. / or the pump 40 and / or the valve body assembly 50, by selectively connecting the inlet valve 61 with the water inlet 33 of the reversing valve 30 and passing water through the water inlet 33, the outlet 34 through the inlet valve 61 It is pumped to the outlet 42 and then sent to the washing tub 11 of the composite washing machine 10 through the inlet valve port 51 of the valve body assembly 50 and the outlet valve port 52 to participate in the washing. This not only serves as a cleaning, but also does not cause problems with clogging the reversing valve 30 and/or the pump 40 and/or the valve body assembly 50 due to the use of detergent.

An automatic dispensing system for a composite washing machine 10 in accordance with an embodiment of the present invention will now be described in detail with reference to FIGS. 1-3 in a specific embodiment. It is to be understood that the following description is only illustrative and not restrictive.

As shown in FIG. 1, the composite washing machine 10 may include two washing tubs 11, one of which is disposed at an upper portion of the composite washing machine 10 as an upper washing tub 11a, and the other of which is disposed at a lower portion of the composite washing machine 10 as a lower washing tub 11b. The automatic dispensing system for the composite washing machine 10 includes a detergent storage box 20, a reversing valve 30, a dispensing pump 40, a valve body assembly 50, and a flushing branch 60.

As shown in FIG. 1, two detergent storage chambers 21 are provided in the detergent storage box 20, and the detergent storage chamber 21 on the left side (the side left side as shown in FIG. 1) can be used for storing laundry. The liquid, detergent storage chamber 21 on the right (as shown on the right side of Figure 1) can be used to hold the softener. The reversing valve 30 can be an electromagnetic steering valve, and the reversing valve 30 is provided a water inlet 33, a liquid outlet 34 and two inlet ports 31, wherein the water inlet 33 communicates with the flushing branch 60 through the inlet valve 61, and the liquid outlet 34 communicates with the inlet 41 of the delivery pump 40, two One of the inlet ports 31 communicates with one detergent storage chamber 21, and the other of the two inlet ports 31 communicates with another detergent storage chamber 21.

As shown in FIG. 2 and FIG. 3, the valve body assembly 50 may be a Y-type solenoid valve, wherein the valve body assembly 50 includes a water inlet valve port 51 and two water outlet valve ports 52, a water inlet valve port 51 and a delivery pump 40. The outlet 42 is in communication, one of the two outlet valve ports 52 is in communication with the upper washing tub 11a, and the other is in communication with the lower washing tub 11b. When the inlet valve port 51 communicates with one of the outlet valve ports 52, the inlet valve port 51 is disconnected from the other outlet valve port 52.

When the lower washing tub 11b of the composite washing machine 10 washes the laundry, the order in which the detergent is selected may be: before the laundry is washed, the laundry liquid is first discharged to the washing tub 11b, and when the laundry washing process is finished, the washing tub is washed down. 11b is applied to the softener; when the upper washing tub 11a of the composite washing machine 10 washes the laundry, the order of the detergents may be selected as follows: before the laundry is washed, the washing liquid is first supplied to the washing tub 11a, and when the laundry washing process is finished, The softener is applied to the upper washing tub 11a; when the upper washing tub 11a and the lower washing tub 11b of the composite washing machine 10 simultaneously wash the laundry, the washing liquid may be first supplied to one of the upper washing tub 11a and the lower washing tub 11b before washing the laundry. Further, the laundry liquid is supplied to the other of the upper washing tub 11a and the lower washing tub 11b, and when the laundry washing process is finished, the softener is applied to the corresponding washing tub 11.

As shown in FIG. 1 to FIG. 3, the following process of washing the laundry in the following washing tub 11b is taken as an example to describe in detail the delivery process of the automatic dispensing system for the composite washing machine according to the embodiment of the present invention, as follows:

First, before the washing tub 11b washes the laundry, the flushing branch 60 is disconnected from the water inlet 33, and the detergent storage chamber 21 located on the right side is disconnected from the liquid inlet 31 of the reversing valve 30, on the left side. The detergent storage chamber 21 communicates with the liquid inlet 31 of the reversing valve 30, and the laundry liquid in the detergent storage chamber 21 on the left side can enter the diverter valve 30 from the inlet port 31, and is reversible. The liquid outlet 34 of the valve 30 flows out, and the laundry liquid flows through the dispensing pump 40 by the dispensing pump 40, and enters the lower washing tub 11b through the outlet valve port 52 of the valve body assembly 50 that communicates with the lower washing tub 11b. ;

Second, after the washing process of the washing tub 11b is completed, the liquid inlet 31 and the detergent storage chamber 21 are both disconnected, and the flushing branch 60 communicates with the water inlet 33 of the reversing valve 30 through the water inlet valve 61, and the flushing branch is flushed. The water flow in 60 can be sequentially passed through the water inlet 33 through the reversing valve 30, the injection pump 40, and the valve body assembly 50 into the lower washing tub 11b, so that the reversing valve 30, the dispensing pump 40, and the valve body assembly 50 can be flushed. ;

Third, after the flushing is completed, the flushing branch 60 is disconnected from the water inlet 33, and the detergent storage chamber 21 on the left side is disconnected from the liquid inlet 31 of the switching valve 30, and the detergent storage chamber on the right side is located. 21 is in communication with the inlet port 31 of the reversing valve 30, and the softener located in the detergent storage chamber 21 on the right side can enter the diverter valve 30 from the inlet port 31 and be discharged from the reversing valve 30. The mouth 34 flows out, and the softener flows through the dispensing pump 40 under the action of the dispensing pump 40, and enters the lower washing tub 11b through the outlet valve port 52 of the valve body assembly 50 communicating with the lower washing tub 11b;

Fourth, after the softener is dispensed, the liquid inlet 31 and the detergent storage chamber 21 are both disconnected, and the flushing branch 60 is passed. The water inlet valve 61 communicates with the water inlet 33 of the reversing valve 30, and the water flow in the flushing branch 60 can pass through the water inlet 33 through the reversing valve 30, the injection pump 40, and the valve body assembly 50 to enter the lower washing tub 11b. Thereby, the reversing valve 30, the dispensing pump 40, and the valve body assembly 50 can be flushed.

So far, the dispensing process of the detergent to the lower washing tub 11b of the composite washing machine 10 is completed.

It should be noted that the process of placing the detergent on the upper washing tub 11a of the composite washing machine 10 and the simultaneous loading of the detergent on the upper washing tub 11a and the lower washing tub 11b of the composite washing machine 10 are similar to the above process, and are not detailed here. Narration.

A composite washing machine 10 according to an embodiment of the present invention includes a plurality of washing tubs 11 and an automatic dispensing system for a composite washing machine as described above. The water outlet valve port 52 of the valve body assembly 50 is in one-to-one correspondence with the washing tub 11 and communicates with each other. When the number of washing tubs is increased on the basis of Fig. 1, the number of the outlet valve ports 52 is also increased accordingly.

The composite washing machine 10 according to the embodiment of the present invention communicates one of the plurality of detergent storage chambers 21 with the liquid outlet 34 by using the reversing valve 30, and then uses the valve body assembly 50 to make the liquid outlet 34 and the corresponding washing. The tub 11 is in communication so that different detergents can be dispensed into the same washing tub 11 or in different washing tubs 11 in order, or the same detergent can be sequentially placed into the same washing tub 11 or in different washing tubs 11, thereby It is easy to realize the automatic dispensing of the detergent of the composite washing machine 10, instead of the operation of manually adding the detergent, thereby avoiding the possibility of mis-injection due to the manual addition of the detergent, and improving the performance of the composite washing machine 10.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

An automatic dispensing system for a composite washing machine, the composite washing machine comprising a plurality of washing tubs, wherein the automatic dispensing system comprises:

a detergent storage box defining a plurality of detergent storage chambers therein;

a reversing valve, the diverter valve includes a liquid outlet and a plurality of liquid inlets, the detergent storage box is in communication with the diverter valve, and the plurality of liquid inlets are respectively stored with the plurality of detergents One-to-one correspondence of chambers;

a pump is provided, the delivery pump has an inlet and an outlet, and an inlet of the delivery pump is connected to the liquid outlet, and the outlet is connected to one of the inlets and disconnected from the remaining inlets, Having the dispensing pump pump selected detergent to an outlet of the delivery pump; and

a valve body assembly, the valve body assembly includes a water inlet valve port and a plurality of water outlet valve ports, and the plurality of water outlet valve ports are in one-to-one correspondence with the plurality of the washing tubs, and the water inlet valve port is The outlet port is in communication with the one of the outlet valve ports and is disconnected from the remaining outlet valve ports to cause the delivery pump to pump selected detergents to the respective wash tubs Inside.
The automatic dispensing system for a composite washing machine according to claim 1, wherein the valve body assembly is a Y-type solenoid valve.
The automatic dispensing system for a composite washing machine according to claim 1 or 2, wherein the reversing valve is an electromagnetic steering valve.
The automatic dispensing system for a composite washing machine according to claim 3, wherein the electromagnetic steering valve comprises an electromagnetic switching unit, and the electromagnetic switching unit comprises a plurality of solenoid valves corresponding to the plurality of liquid inlets in one-to-one correspondence .
The automatic dispensing system for a composite washing machine according to claim 4, wherein each of said solenoid valves comprises:

An electromagnet, wherein the electromagnet defines a channel with an opening downward;

An iron core, the iron core being movably disposed in the passage; and

a spring, the upper end of the spring abuts against the top wall of the passage and the lower end of the spring abuts against the upper end of the core to normally push the lower end of the core downward to close the corresponding inlet.
The automatic dispensing system for a composite washing machine according to any one of claims 1 to 5, further comprising a flushing branch, wherein the flushing branch is provided with a water inlet valve to control the flushing branch Open or connected, the flushing branch is in communication with the inlet valve port.
The automatic dispensing system for a composite washing machine according to claim 6, wherein the flushing branch communicates with the inlet valve port through the inlet of the dispensing pump.
An automatic dispensing system for a composite washing machine according to claim 7, wherein said reversing valve Including a water inlet, the flushing branch is in communication with the inlet of the delivery pump through the water inlet, and the detergent is selectively pumped from the one of the inlets to the outlet of the delivery pump A flushing branch communicates with the water inlet to pump water through the water inlet to the outlet through the water inlet and outlet.
A composite washing machine, comprising:

Multiple washing tubs;

The automatic dispensing system for a composite washing machine according to any one of claims 1-8, wherein the water outlet valve port of the valve body assembly is in one-to-one correspondence with the washing tub.