WO2015161548A1

WO2015161548A1 - Washing machine automatic dispensing system

Info

Publication number: WO2015161548A1
Application number: PCT/CN2014/079499
Authority: WO
Inventors: 班永; 周福昌; 顾鲜红; 王立东; 周椿浩
Original assignee: 无锡小天鹅股份有限公司
Priority date: 2014-04-22
Filing date: 2014-06-09
Publication date: 2015-10-29

Abstract

A washing machine automatic dispensing system (1000), comprising a detergent storage case (10), a transfer case (20), an electromagnetic switching unit (30), and a dispensing pump (40); the detergent storage case (10) has a plurality of detergent storage chambers (11, 12); the transfer case (20) has a plurality of liquid inlets (21, 22) and a liquid outlet (23), and the plurality of liquid inlets (21, 22) corresponds one-to-one to the plurality of detergent storage chambers (11, 12); the electromagnetic switching unit (30) is disposed on the transfer case (20) and selectively connects one of the plurality of inlet ports (21, 22) to the liquid outlet port (23); the dispensing pump (40) has an inlet (41) and an outlet (42), and the inlet (41) is connected to the liquid outlet (23).

Description

Washing machine and its automatic placement system

The present invention relates to the field of household appliances, and more particularly to an automatic dispensing system for a washing machine and a washing machine having the automatic dispensing system for the washing machine. Background technique

With the advancement of technology, the existing automatic washing machine has appeared to automatically release the detergent function. Through the washing machine program control, according to the calculated amount of detergent delivery, the detergent in the detergent storage container is put into the washing tub by using the delivery pump. washing. However, existing automatic washing machines usually put a variety of detergents, such as laundry detergent, softener, disinfectant, and the like. This requires multiple delivery pumps for delivery, a large number of delivery pumps, a complex structure, and a high cost. 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 washing machine which can dispense a plurality of detergents with a dispensing pump, which is simple in structure and low in cost.

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

An automatic dispensing system for a washing machine according to an embodiment of the present invention includes: a detergent storage box having a plurality of detergent storage chambers defined therein; a transfer box having a plurality of liquid inlets a port and a liquid outlet, the detergent storage box is in communication with the intermediate transfer box, and the plurality of liquid inlets are in one-to-one correspondence with the plurality of detergent storage chambers; an electromagnetic switching unit, the electromagnetic switching unit Mounted on the transfer box for selectively connecting one of the plurality of liquid inlets with the one liquid outlet; and a delivery pump having an inlet and an outlet, the delivery pump The inlet is connected to the one outlet.

According to an automatic dispensing system for a washing machine according to an embodiment of the present invention, an electromagnetic switching unit is mounted on the intermediate transfer box for selectively connecting one of the plurality of liquid inlets with the liquid outlet, and the delivery pump can be used to deliver more A detergent with a simple structure and reduced cost.

According to an example of the present invention, the electromagnetic switching unit includes a plurality of solenoid valves that are in one-to-one correspondence with a plurality of liquid inlets. According to an example of the present invention, each of the plurality of solenoid valves includes: an electromagnet, wherein the electromagnet defines a channel with an opening downward; an iron core, the iron core is movable up and down 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 iron core to push the lower end of the iron core downward to close the corresponding liquid inlet mouth.

According to an example of the present invention, each of the plurality of solenoid valves further includes a gasket, the gasket being disposed at the Between the lower end of the iron core and the corresponding liquid inlet.

According to an example of the invention, the gasket is a rubber gasket.

According to an example of the present invention, the detergent dispensing device for a washing machine further includes a flushing branch, the intermediate transfer box further having a water inlet, and an output end of the flushing branch is connected to the water inlet.

According to an example of the invention, the flushing branch is provided with a water inlet valve.

A washing machine according to an embodiment of the present invention, comprising: a washing tub; and the automatic dispensing system for a washing machine according to any one of the above, wherein an outlet of the dispensing pump is connected to the washing tub.

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

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

2 is a schematic diagram of a relay box and an electromagnetic switching unit for an automatic dispensing system of a washing machine in accordance with another embodiment of the present invention; and

Figure 3 is a cross-sectional view taken along line A-A of Figure 2 . 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 drawings are intended to be illustrative of the invention and are not to be construed as limiting.

An automatic dispensing system 1000 for a washing machine in accordance with an embodiment of the present invention will now be described in detail with reference to the accompanying drawings. As shown in FIGS. 1 to 3, an automatic dispensing system 1000 for a washing machine according to an embodiment of the present invention includes: a detergent storage box 10, a relay box 20, an electromagnetic switching unit 30, and a dispensing pump 40. In some embodiments, the relay box 20 and the electromagnetic switching unit 30 can be two components that are assembled by the relay box 20 and the electromagnetic switching unit 30 to achieve the function of the electromagnetic steering valve.

Specifically, a plurality of detergent storage chambers 11, 12 are defined within the detergent storage case 10. As shown in Fig. 1, there may be two detergent storage chambers 11 and 12. Of course, the number of detergent storage chambers may be increased based on the type of detergent on the basis of the embodiment shown in Fig. 1, for example, three, four, etc., as will be understood by those skilled in the art. . It should be noted that the detergent herein includes a detergent, a disinfectant or a softener, etc., that is, a detergent generally refers to a liquid used for washing in a washing machine.

The transfer box 20 has a plurality of inlet ports 21, 22 and a liquid outlet port 23. The detergent storage box 10 is in communication with the intermediate transfer box 20 and a plurality of liquid inlets 21, 22 correspond to a plurality of detergent storage chambers 11, 12-1. That is, as shown in Figure 1, detergent The storage chamber 11 corresponds to the liquid inlet 21, and the detergent storage chamber 12 corresponds to the liquid inlet 22. As the number of detergent storage chambers increases on the basis of Figure 1, the number of inlet ports also increases accordingly.

The electromagnetic switching unit 30 is mounted on the intermediate transfer case 20 for selectively connecting one of the plurality of liquid inlet ports 21, 22 with a liquid outlet port 23.

The dispensing pump 40 has an inlet 41 and an outlet 42. The inlet 41 of the delivery pump 40 is connected to a liquid outlet 23.

According to the automatic dispensing system 1000 for a washing machine according to an embodiment of the present invention, one of the plurality of liquid inlets is selectively connected to the liquid outlet through the electromagnetic switching unit, and a plurality of detergents can be dispensed by using a delivery pump, and the structure is simple. , Reduce costs.

The electromagnetic switching unit 30 may include a plurality of switches in one-to-one correspondence with the plurality of liquid inlets. For example, one of the plurality of inlet ports 21, 22 is selectively communicated with the outlet port 23 by opening and closing the switch.

Advantageously, based on the need for automatic control, in accordance with a specific example of the present invention, the electromagnetic switching unit 30 can include a plurality of solenoid valves 31, 32 that are in one-to-one correspondence with the plurality of inlet ports 21, 22.

Further, according to an example of the present invention, the solenoid valve 31 includes: an electromagnet 311, a core 312, and a spring 313. Specifically, the electromagnet 31 defines a passageway having an opening downward (i.e., below as shown in Fig. 3). The iron core 312 is vertically movably disposed in the passage. The upper end of the spring 313 abuts against the top wall of the passage and the lower end of the spring 313 abuts against the upper end of the core 312 to close the lower end of the core 312 to close the inlet port 21 downward. The solenoid valve 31 further includes a gasket 314 disposed between the lower end of the core 312 and the inlet port 21.

The solenoid valve 32 includes: an electromagnet 321, a core 322 and a spring 323. Specifically, the electromagnet 32 defines a passage having an opening 2 downward. The iron core 322 is disposed in the passage in a vertically movable manner. The upper end of the spring 323 abuts against the top wall of the passage and the lower end of the spring 323 abuts against the upper end of the core 322 to normally push the lower end of the core 322 to close the inlet port 22. The solenoid valve 32 also includes a gasket 324 disposed between the lower end of the core 322 and the inlet port 22.

The gaskets 314, 324 can be rubber gaskets.

When the number of detergent storage chambers and the number of inlet ports increase correspondingly on the basis of Fig. 1, the number of solenoid valves also increases accordingly.

According to an example of the present invention, the automatic dispensing system 1000 for a washing machine further includes a flushing branch 50, and the intermediate box 20 is further provided with a water inlet 24, and the output end of the flushing branch 50 is connected to the water inlet 24. Advantageously, the flushing branch 50 is provided with a water inlet valve 51.

The operation of the automatic dispensing system 1000 for a washing machine in accordance with an embodiment of the present invention will be briefly described below.

When it is necessary to discharge the detergent in the detergent storage chamber 11, the electromagnet 311 is energized, the iron core 312 is attracted by the suction force of the electromagnet 311, and moves upward against the elastic force of the spring 313, and the liquid inlet 21 and the liquid outlet 23 In connection, the pump 40 can be dispensed to dispense the detergent in the detergent storage chamber 11. When the detergent is dispensed, the electromagnet 311 is de-energized, the iron core 312 is moved downward by the restoring force of the spring 313, and the lower end of the iron core 312 closes the liquid inlet port 21. In order to avoid as much as possible In order to avoid the interaction between different detergents, after the detergent is dispensed, the flushing branch can be flushed to the intermediate box 20, and the flushing liquid can also enter the washing tub 50 via the dispensing pump 40 to participate in the washing.

The process of dispensing the detergent in the detergent storage chamber 12 is the same as the process of dispensing the detergent in the detergent storage chamber 11, and will not be described herein.

As shown in Fig. 1, a washing machine according to an embodiment of the present invention includes: a washing tub 60 and an automatic dispensing system 1000 for a washing machine according to any of the above. The outlet 42 of the delivery pump 40 is connected to the washing tub 60.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width",

"Thickness", "Up", "Down", "Before", "After", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside" The orientation or positional relationship of ", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawing, for convenience of description only. The invention and the simplifications of the invention are not to be construed as limiting or limiting the scope of the invention.

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 expressly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more unless explicitly and specifically defined.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like should be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical connection, or electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "below" the second feature may be the direct contact of the first feature and the second feature, or the first and second features are indirectly through the intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or below the second feature, or merely that the first feature level is less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. , structure, material or characteristics It is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to 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. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

claims

1. An automatic delivery system for washing machines, characterized by including:

Detergent storage box, a plurality of detergent storage chambers are defined in the detergent storage box;

Transfer box, the transfer box has a plurality of liquid inlets and a liquid outlet, the detergent storage box is connected with the transfer box, and the plurality of liquid inlets are connected with the plurality of detergent storage chambers. one correspondence;

An electromagnetic switching unit, the electromagnetic switching unit is installed on the transfer box and is used to selectively connect one of the plurality of liquid inlets to the one liquid outlet; and

A dosing pump has an inlet and an outlet, and the inlet of the dosing pump is connected to the one liquid outlet.

2. The automatic delivery system for a washing machine according to claim 1, wherein the electromagnetic switching unit includes a plurality of solenoid valves corresponding to a plurality of liquid inlets.

3. The automatic delivery system for a washing machine according to claim 2, wherein each of the plurality of solenoid valves includes:

An electromagnet, a passage opening downward is defined in the electromagnet;

An iron core, the iron core is disposed in the channel so as to be movable up and down; and

Spring, the upper end of the spring is against the top wall of the channel and the lower end of the spring is against the upper end of the iron core to push the lower end of the iron core downward to close the corresponding liquid inlet.

4. The automatic delivery system for a washing machine according to claim 3, characterized in that each of the plurality of solenoid valves further includes a sealing gasket, and the sealing gasket is provided at the lower end of the iron core and corresponding to between the liquid inlets.

5. The automatic delivery system for a washing machine according to claim 4, wherein the sealing gasket is a rubber gasket.

6. The automatic delivery system for a washing machine according to any one of claims 1 to 5, characterized in that it also includes a flushing branch, the transfer box is also provided with a water inlet, and the flushing branch is The output end is connected with the water inlet.

7. The automatic delivery system for a washing machine according to claim 6, wherein the flushing branch is provided with a water inlet valve.

8. A washing machine, characterized by including:

washing tub;

And the automatic dosing system for a washing machine according to any one of claims 1-7, wherein the outlet of the dosing pump is connected to the washing bucket.