CN111648095A

CN111648095A - Steam generating device, washing machine and drainage method

Info

Publication number: CN111648095A
Application number: CN202010682288.0A
Authority: CN
Inventors: 黄远行; 戴付兵; 李琦; 周倍恒
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-09-11
Anticipated expiration: 2040-07-15
Also published as: CN111648095B

Abstract

The invention provides a steam generating device, a washing machine and a drainage method, wherein the steam generating device is used for providing steam into a barrel of the washing machine, and comprises: the steam box is provided with an accommodating cavity, a liquid inlet and a steam port which are communicated with the accommodating cavity, the liquid inlet valve is arranged at the liquid inlet, and steam discharged from the steam port is used for being introduced into the barrel; the spray pipe is used for spraying into the cylinder body, the spray pipe is positioned outside the steam box, a water outlet of the spray pipe is positioned below the steam box, and the spray valve is arranged on the spray pipe; the first intercommunication end of connecting pipe and shower intercommunication, the first intercommunication end of connecting pipe is located between the delivery port of spray valve and shower, and the second intercommunication end of connecting pipe stretches into to the bottom that holds the chamber to remaining water is discharged by the shower behind the connecting pipe in the messenger steam box. The technical problem that residual water in a steam box cannot be discharged conveniently by a steam generating device in the prior art is solved.

Description

Steam generating device, washing machine and drainage method

Technical Field

The invention relates to the technical field of washing machines, in particular to a steam generating device, a washing machine and a water drainage method.

Background

Currently, a steam generating apparatus of a related art washing machine is generally used to generate steam and spray the generated steam onto laundry to heat or wash the laundry. However, after the washing or steam-care phase is over, there is some residual water in the steam box.

However, if the residual water in the steam box is not discharged, the residual water may grow bacteria or smell after a certain period of time, greatly affecting the use and endangering the physical health of the user.

Disclosure of Invention

The invention mainly aims to provide a steam generating device, a washing machine and a water discharging method, and aims to solve the technical problem that residual water in a steam box is inconvenient to discharge by the steam generating device in the prior art.

In order to accomplish the above object, according to one aspect of the present invention, there is provided a steam generating device for supplying steam into a tub of a washing machine, the steam generating device including: the steam box is provided with an accommodating cavity, a liquid inlet and a steam port which are communicated with the accommodating cavity, the liquid inlet valve is arranged at the liquid inlet, and steam discharged from the steam port is used for being introduced into the barrel; the spray pipe is used for spraying into the cylinder body, the spray pipe is positioned outside the steam box, a water outlet of the spray pipe is positioned below the steam box, and the spray valve is arranged on the spray pipe; the first intercommunication end of connecting pipe and shower intercommunication, the first intercommunication end of connecting pipe is located between the delivery port of spray valve and shower, and the second intercommunication end of connecting pipe stretches into to the bottom that holds the chamber to remaining water is discharged by the shower behind the connecting pipe in the messenger steam box.

Further, the connection pipe includes: one end of the first connecting section is connected with the spraying pipe, the first connecting section is positioned outside the steam box, and a first communicating end is formed at one end of the first connecting section; the one end of second linkage segment is connected with the other end of first linkage segment, and the other end of second linkage segment stretches into to the bottom that holds the chamber, and the other end of second linkage segment forms the second end of connecting.

Further, the first connecting section is an L-shaped pipeline; and/or the second connecting section is an L-shaped pipeline.

Furthermore, a first positioning structure is arranged on the side wall of the steam box, and a second positioning structure matched with the first positioning structure is arranged on the second connecting section so as to position the second connecting section under the matching of the first positioning structure and the second positioning structure.

Furthermore, first location structure is the constant head tank, and second location structure is the location arch, and the setting of location arch is in order to fix a position the second linkage segment in the constant head tank.

Further, hold and be provided with the feed liquor groove on the diapire in chamber, the tank bottom in feed liquor groove is less than the diapire that holds the chamber, and the second intercommunication end of connecting pipe stretches into to the feed liquor inslot.

Furthermore, a third positioning structure is arranged on the steam box and is matched with the outer surface of the spray pipe, so that the spray pipe is positioned through the third positioning structure.

Further, still be provided with the gap on the steam box, the gap with hold the chamber intercommunication, the gap is located the top of steam box, gap and inlet are located the relative both sides of steam box respectively.

Further, the steam generating apparatus further includes: and one end of the overflow pipe is communicated with the overflow port, the other end of the overflow pipe is communicated with a detergent box of the washing machine, and at least part of the overflow pipe is a U-shaped pipe.

According to another aspect of the present invention, there is provided a washing machine including a tub and a steam generating device provided on the tub, the steam generating device being the above-provided steam generating device.

According to another aspect of the present invention, there is provided a water discharging method adapted to the steam generating apparatus provided above, the water discharging method comprising: judging whether the washing stage of the steam generating device is finished or not; after the washing stage of the steam generating device is finished, closing a liquid inlet valve of the steam generating device, and closing a spraying valve of the steam generating device after a first preset time interval so as to discharge residual liquid in a steam box of the steam generating device through a spraying pipe of the steam generating device.

Further, the drainage method further comprises the following steps: judging whether the steam nursing stage of the steam generating device is finished or not; after the steam nursing stage is finished, closing a spraying valve of the steam generating device at intervals of a second preset time so as to discharge residual liquid in a steam box of the steam generating device through a spraying pipe of the steam generating device.

By applying the technical scheme of the invention and controlling the switch of the liquid inlet valve and the spray valve of the steam generating device, the residual water in the steam box can be conveniently discharged by the spray pipe after passing through the connecting pipe. Therefore, the technical problem that the steam generating device in the prior art is inconvenient to discharge residual water in the steam box can be solved through the technical scheme provided by the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a steam generating apparatus according to an embodiment of the present invention;

fig. 2 is a sectional view showing a partial structure of a steam generating apparatus according to an embodiment of the present invention;

fig. 3 shows a flow chart of a drainage method according to a third embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a steam box; 11. a liquid inlet; 12. a steam port; 13. a liquid inlet tank; 14. an overflow port; 20. a liquid inlet valve; 30. a shower pipe; 40. a spray valve; 50. a connecting pipe; 51. a first connection section; 52. a second connection section; 60. a first positioning structure; 70. a second positioning structure; 80. a third positioning structure; 90. an overflow pipe; 100. a probe; 110. a one-way valve.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and 2, in one embodiment of the present invention, a steam generating device for supplying steam into a tub of a washing machine is provided. Steam generating device includes steam box 10, feed liquor valve 20, shower 30, sprays valve 40 and connecting pipe 50, is provided with on the steam box 10 and holds the chamber and with hold inlet 11 and the steam port 12 of chamber intercommunication, and feed liquor valve 20 sets up in inlet 11 department, and steam port 12 exhaust steam is used for letting in to the barrel in. The spray pipe 30 is used for spraying into the cylinder, the spray pipe 30 is located outside the steam box 10, the water outlet of the spray pipe 30 is located below the steam box 10, and the spray valve 40 is arranged on the spray pipe 30. The first communicating end of the connecting pipe 50 is communicated with the spraying pipe 30, the first communicating end of the connecting pipe 50 is positioned between the spraying valve 40 and the water outlet of the spraying pipe 30, and the second communicating end of the connecting pipe 50 extends into the bottom of the accommodating cavity, so that residual water in the steam box 10 is discharged from the spraying pipe 30 after passing through the connecting pipe 50.

By adopting the steam generating device provided by the embodiment, the connecting pipe 50 is additionally arranged between the spray pipe 30 and the connecting pipe 50, and the residual water in the steam box 10 can be conveniently discharged from the spray pipe 30 after passing through the connecting pipe 50 by controlling the switch of the liquid inlet valve 20 and the switch of the spray valve 40. The steam generating device in the embodiment has a simple structure and is convenient to manufacture and realize. Compared with the existing structure, the structure such as a specific drain valve does not need to be added in the embodiment, and meanwhile, the steam box 10 in the embodiment can drain the residual water in the steam box 10, so that the bacteria generated in the steam box 10 are avoided.

Specifically, when the steam box 10 has residual water to be drained, the spraying valve 40 can be controlled to enter the cylinder and the steam box 10 through the connecting pipe 50, then the spraying valve 40 is closed, the water flow in the spraying pipe 30 flows into the cylinder to automatically form continuous negative pressure, similar to siphon, so that the spraying pipe 30 continuously absorbs the water in the steam box 10 through the connecting pipe 50, and the purpose of draining the residual water in the steam box 10 is achieved.

In this embodiment, the connection pipe 50 includes a first connection section 51 and a second connection section 52, one end of the first connection section 51 is connected with the shower pipe 30, the first connection section 51 is located outside the steam box, and one end of the first connection section 51 forms a first communication end. One end of the second connecting section 52 is connected with the other end of the first connecting section 51, one end of the second connecting section 52 can be inserted into the other end of the first connecting section 51 to realize connection, the other end of the second connecting section 52 extends into the bottom of the accommodating cavity, and the other end of the second connecting section 52 forms a second communicating end. With the adoption of the structure, the first connecting section 51 and the second connecting section 52 can be conveniently installed, and the first connecting section 51 and the second connecting section 52 are both of a conventional pipe section structure, so that the production and manufacturing cost can be reduced.

Specifically, the first connecting section 51 is an L-shaped pipeline; alternatively, the second connecting section 52 is an L-shaped pipe; alternatively, the first connection section 51 and the second connection section 52 are both L-shaped pipes. In the embodiment, the first connection section 51 and the second connection section 52 are both L-shaped pipes, and the first connection section 51 and the second connection section 52 are connected together, so as to better enable the residual liquid in the steam box 10 to flow into the shower pipe 30 through the connection sections.

In the present embodiment, a first positioning structure 60 is disposed on the sidewall of the steam box 10, and a second positioning structure 70 adapted to the first positioning structure 60 is disposed on the second connecting section 52, so as to position the second connecting section 52 under the cooperation of the first positioning structure 60 and the second positioning structure 70. With such a configuration, it is possible to improve the stability of the installation and installation of the connection pipe 50 so that the liquid in the steam box 10 can be smoothly discharged.

Specifically, the first positioning structure 60 in this embodiment is a positioning groove, the second positioning structure 70 is a positioning protrusion, and the positioning protrusion is disposed in the positioning groove to position the second connecting section 52, so as to improve the reliability of positioning and optimize the layout of the structure.

In this embodiment, a liquid inlet groove 13 is formed in the bottom wall of the accommodating cavity, the bottom of the liquid inlet groove 13 is lower than the bottom wall of the accommodating cavity, and the second communication end of the connecting pipe 50 extends into the liquid inlet groove 13. By adopting the structure, when the containing cavity is provided with residual liquid, the residual liquid can always flow into the liquid inlet groove 13, so that the residual liquid in the steam box 10 can be discharged completely, and the situation that part of liquid continues to be residual can be avoided.

Specifically, the steam box 10 in this embodiment is further provided with a third positioning structure 80 adapted to the outer surface of the shower pipe 30, so as to position the shower pipe 30 through the third positioning structure 80. Specifically, the third positioning structure 80 may be a claw structure, and the claw structure is used for clamping the shower pipe 30, so as to improve the setting stability of the shower pipe 30.

In this embodiment, the steam box 10 is further provided with a spillway 14, the spillway 14 is communicated with the accommodating cavity, the spillway 14 is positioned at the top of the steam box 10, and the spillway 14 and the liquid inlet 11 are respectively positioned at two opposite sides of the steam box 10. With this arrangement, when the water level in the steam box 10 is at the position of the overflow 14, the excess water in the steam box 10 is discharged through the overflow 14. By respectively arranging the liquid inlet 11 and the overflow port 14 at two sides of the steam box 10, the layout of the pipelines is convenient, the complex condition of staggered pipelines is avoided, and the spatial structure layout of the device is optimized.

Specifically, the steam generating device in this embodiment further includes an overflow pipe 90, one end of the overflow pipe 90 is communicated with the overflow port 14, the other end of the overflow pipe 90 is communicated with a detergent box of the washing machine, and at least a part of the overflow pipe 90 is a U-shaped pipe. By adopting the structure, the overflowing water can conveniently enter the washing box, wash the detergent in the washing box and flow into the barrel body.

In this embodiment, there are two probes 100 for detecting low water level on the top of the steam box 10, and a one-way valve 110 for only air intake, and the liquid inlet 11 of the steam box 10 is connected to the main wash water inlet valve in the liquid inlet valve 20 through a water inlet pipe. The overflow 14 of the steam box 10 is connected with the detergent box through a large U-shaped pipe, the overflow 14 is positioned at the middle upper part of the steam box 10, the steam port 12 is arranged at the uppermost part of one side of the overflow 14 of the steam box 10, and the steam port 12 is connected with an air inlet of an air duct through a steam pipe.

In the embodiment, it can also be understood that the drainage device of the steam box 10 is that a three-way shower pipe 30 is connected to the shower valve 40 at one end of the shower pipe 30 passing by the side of the steam box 10, the other end is connected to the door seal directly, the water level at the water outlet of the shower pipe 30 is far lower than the bottom of the steam box 10, and the last end of the three-way shower pipe is directly connected from the top of the steam box 10 to the upper part of the bottom through a drainage pipe.

The second embodiment of the invention provides a washing machine, which comprises a drum and a steam generating device, wherein the steam generating device is arranged on the drum, and the steam generating device is the steam generating device provided by the second embodiment.

As shown in fig. 3, a third embodiment of the present invention provides a water draining method, which is suitable for the steam generating device provided above, and the water draining method includes: judging whether the washing stage of the steam generating device is finished or not; after the washing stage of the steam generating device is finished, the liquid inlet valve 20 of the steam generating device is closed, and after the interval of the first preset time length, the spraying valve 40 of the steam generating device is closed, so that the residual liquid in the steam box 10 of the steam generating device is discharged through the spraying pipe 30 of the steam generating device.

Further, the drainage method further comprises the following steps: judging whether the steam nursing stage of the steam generating device is finished or not; after the steam nursing stage is finished and at a second preset time interval, the spraying valve 40 of the steam generating device is closed, so that residual liquid in the steam box 10 of the steam generating device is discharged through the spraying pipe 30 of the steam generating device.

When washing is carried out, water is generally fed into both the spray valve 40 and the main wash water inlet valve, so that the steam box 10 can reach the highest water level while being cleaned, the last step of water feeding needs to be completed by controlling the water feeding of the spray valve 40 or the spray valve 40 is closed for a few seconds later than the main wash valve, at this time, the last section of water of the spray pipe 30 continuously flows downwards through the connecting pipe 50, so that the spray pipe 30 forms negative pressure to absorb the water in the steam box 10, and the negative pressure is continuously generated to siphon until the water in the steam box 10 is completely sucked. When operation steam nursing, after the steam ironing stage, remaining water if not discharged can continuously stay in the box, accessible control spraying valve 40 intake several seconds this moment, water can make shower 30 form the negative pressure when getting into the cooling of steam box 10, continuously suck-back the water in the steam box 10 to reach the mesh of evacuation steam box 10 remaining water.

Specifically, in the draining method provided in the present embodiment, in order to ensure that there is no residual water inside the steam box 10, the final water replenishment for washing should be performed by the shower valve 40. Specifically, after the steam ironing is finished, the spraying valve 40 is controlled to feed a small amount of water by about 0.2L immediately, so that the steam box 10 is prevented from water entering the steam box 10 from the steam overflow port 14. The steam box 10 can be drained of water as long as it is ensured that water enters the steam box 10 through the shower valve 40. When the water replenishing of the spray valve 40 is finished, the water outlet of the spray pipe 30 can be divided into two stages, the water outlet of the spray water in the first stage is the water replenishing water, and the water outlet of the second stage is the residual water of the steam box 10.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the steam box has the advantages that structures such as a drain valve are not required to be added, the production and manufacturing cost is reduced, the structure is simple, and residual water in the steam box can be completely discharged.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steam generating device for supplying steam into a tub of a washing machine, comprising:

the steam barrel comprises a steam box (10) and a liquid inlet valve (20), wherein an accommodating cavity, a liquid inlet (11) and a steam port (12) are formed in the steam box (10), the liquid inlet valve (20) is communicated with the accommodating cavity, the liquid inlet valve (11) is arranged at the liquid inlet (11), and steam discharged from the steam port (12) is used for being introduced into the barrel body;

the spray pipe (30) is used for spraying into the cylinder, the spray pipe (30) is located outside the steam box (10), a water outlet of the spray pipe (30) is located below the steam box (10), and the spray valve (40) is arranged on the spray pipe (30);

connecting pipe (50), the first intercommunication end of connecting pipe (50) with shower (30) intercommunication, the first intercommunication end of connecting pipe (50) is located spray valve (40) with between the delivery port of shower (30), the second intercommunication end of connecting pipe (50) stretch into to hold the bottom in chamber, so that remaining water warp in steam box (10) behind connecting pipe (50) by shower (30) discharge.

2. Steam generating device according to claim 1, characterized in that the connecting pipe (50) comprises:

a first connection section (51), one end of the first connection section (51) being connected with the shower pipe (30), the first connection section (51) being located outside the steam box (10), one end of the first connection section (51) forming the first communication end;

the one end of second linkage segment (52) with the other end of first linkage segment (51) is connected, the other end of second linkage segment (52) stretches into to hold the bottom of chamber, the other end of second linkage segment (52) forms second intercommunication end.

3. Steam generating device according to claim 2,

the first connecting section (51) is an L-shaped pipeline; and/or the presence of a gas in the gas,

the second connecting section (52) is an L-shaped pipeline.

4. A steam generating device according to claim 2, wherein the side wall of the steam box (10) is provided with a first positioning structure (60), and the second connecting section (52) is provided with a second positioning structure (70) adapted to the first positioning structure (60), so as to position the second connecting section (52) under the cooperation of the first positioning structure (60) and the second positioning structure (70).

5. A steam generating device according to claim 4, characterized in that the first positioning structure (60) is a positioning slot and the second positioning structure (70) is a positioning projection, which is arranged in the positioning slot for positioning the second connecting section (52).

6. Steam generating device according to claim 2, characterized in that the bottom wall of the accommodating chamber is provided with a liquid inlet slot (13), the bottom of the liquid inlet slot (13) is lower than the bottom wall of the accommodating chamber, and the second communication end of the connecting pipe (50) extends into the liquid inlet slot (13).

7. The steam generating device as claimed in claim 1, wherein a third positioning structure (80) is further disposed on the steam box (10), and the third positioning structure (80) is adapted to the outer surface of the shower pipe (30) so as to position the shower pipe (30) through the third positioning structure (80).

8. Steam generating device according to claim 1, characterized in that said steam box (10) is further provided with a spillway (14), said spillway (14) being in communication with said housing cavity, said spillway (14) being located at the top of said steam box (10), said spillway (14) and said inlet (11) being located at opposite sides of said steam box (10), respectively.

9. The steam generating device of claim 8, further comprising:

the washing machine comprises an overflow pipe (90), one end of the overflow pipe (90) is communicated with the overflow port (14), the other end of the overflow pipe (90) is communicated with a detergent box of the washing machine, and at least part of the overflow pipe (90) is a U-shaped pipe.

10. A washing machine, characterized in that it comprises a tub and a steam generating device provided on the tub, the steam generating device being as claimed in any one of claims 1 to 9.

11. A drainage method applicable to the steam generator of any one of claims 1 to 9, the drainage method comprising:

judging whether the washing stage of the steam generating device is finished or not;

after the washing stage of the steam generating device is finished, closing a liquid inlet valve of the steam generating device, and after a first preset time interval, closing a spraying valve of the steam generating device so as to discharge residual liquid in a steam box of the steam generating device through a spraying pipe of the steam generating device.

12. The method of draining water according to claim 11, further comprising:

judging whether the steam nursing stage of the steam generating device is finished or not;

after the steam nursing stage is finished, closing a spraying valve of the steam generating device at intervals of a second preset time length so as to discharge residual liquid in a steam box of the steam generating device through a spraying pipe of the steam generating device.