CN106319865A - Washing machine and control method - Google Patents

Abstract

The invention relates to a washing machine and a control method thereof. The washing machine includes a steam generating device and a first steam spray head communicated with the steam generating device. The first steam spray head is installed at the bottom of an outer cylinder to control the spraying of air to the outer surface of the bottom of the inner cylinder. The first steam spray head is a strip-shaped structure arranged along the radial direction of the bottom of the outer cylinder. The first steam spray head is provided with at least one steam spray hole. The washing machine is provided with a second steam spray head for steam washing of the washing machine, and the steam generating device communicates with the first steam spray head and the second steam spray head respectively. The washing machine also includes a flushing nozzle installed at the bottom of the outer cylinder to control spraying water to the outer surface of the bottom of the inner cylinder. The invention has the function of not only steam cleaning the clothes, but also steam sterilizing and rinsing the bottom of the inner tub. The invention can thoroughly clean the accumulated dirt at the bottom of the inner bucket and has the characteristics of simple structure, low cost and the like.

Description

A washing machine and its control method

technical field

The invention relates to the field of washing machines, in particular to a washing machine with a steam generating device.

Background technique

The bottom of the inner drum of the existing washing machine needs to bear a lot of force during washing and high-speed drying. In order to meet the structural strength requirements, the bottom of the drum is equipped with force-bearing parts and ribs, which makes the structure of the bottom of the drum complicated. The surface is uneven and smooth. This just causes in the use process of washing machine, the bottom of inner cylinder is extremely easy to stick and accumulate dirt. After long-term use, the dirt accumulated at the bottom of the inner cylinder will breed bacteria and mold, produce peculiar smell, cause secondary pollution to washed clothes, and affect people's use experience and physical health.

Such as application number: 200910051589 "Steam Sterilization Washing Machine". The invention provides a steam sterilizing washing machine, which includes: a frame, a pressure-resistant container capable of cleaning, steam sterilizing, drying and cooling articles, and two sides of the container are respectively equipped with a high-pressure door for entering clothes and a high-pressure door for exiting clothes. The container is rigidly attached to the frame; a drum with a drum door mounted within the container; a shaft passing through the center of the drum to allow the drum to rotate relative to the container, the shaft passing through a flexible seal The device is flexibly and hermetically connected to both ends of the container, and is flexibly connected to the frame through a flexible device, thereby preventing the vibration of the rotating shaft from being transmitted to the container; the pure steam equipped with a steam inlet valve An inlet pipe is used to communicate with the cavity in the container through the container; an exhaust pipe with an exhaust valve is installed to communicate with the cavity in the container through the container. Since the requirements for cleaning clothes are getting higher and higher, this invention only steam-sterilizes the clothes in the inner drum, but does not clean the bottom of the inner drum of the washing machine, which is likely to cause secondary pollution of the clothes, and cannot satisfy the user's washing of the washing machine day by day. Require.

In view of this, the present invention is proposed.

Contents of the invention

The object of the present invention is to overcome the deficiencies of the prior art, and provide a washing machine and a control method, which can not only clean the dirt accumulated at the bottom of the inner cylinder, but also sterilize the bacteria bred by the dirt accumulated at the bottom of the inner cylinder with high-temperature steam. bacteria. The invention can sterilize and clean the bottom of the inner cylinder in all directions, and prevent secondary pollution to the clothes. Simultaneously, the washing machine of the present invention also has the function of directly performing high-temperature steam sterilization on the clothes, which further satisfies the user's requirements for cleaning and sterilizing the clothes during the washing process.

Another object of the present invention is to provide a control method for the washing machine.

In order to achieve this goal, the present invention adopts the following technical solution: a washing machine, comprising a steam generating device and a first steam spray head communicated with the steam generating device, the first steam spray head is installed at the bottom of the outer cylinder, Air jets on the outer surface.

Further, the first steam spray head is a strip-shaped structure arranged along the radial direction of the bottom of the outer cylinder.

Further, the first steam spray head is provided with at least one steam spray hole, preferably, the steam spray hole is arranged along the radial direction of the bottom of the outer cylinder.

Further, the washing machine is provided with a second steam spray head for steam washing of the washing machine, and the steam generating device communicates with the first steam spray head and the second steam spray head respectively.

Further, the washing machine also includes a flushing nozzle, which is installed at the bottom of the outer tub to control spraying water to the outer surface of the bottom of the inner tub.

Further, the flushing nozzle is provided with at least one flushing nozzle, and the flushing nozzle is arranged along the circumferential direction of the bottom of the outer cylinder. Preferably, the washing machine is a drum washing machine, and the flushing nozzle is an arc-shaped structure, which is arranged on the outer cylinder On the outer side of the top of the bottom, more preferably, the flush water nozzle is located on the outer side of the first steam nozzle.

Further, the washing machine further includes a water inlet valve, which is in communication with the detergent dispensing box, the steam generating device and the flushing nozzle respectively.

The control method of the washing machine of the present invention includes:

Step A1: performing a steam sterilization process;

Step A2: Determine whether to perform the cleaning process, if yes, perform the next step, if not, perform the steam sterilization process to the end;

Step A3: Execute the cleaning process, and end all processes after the cleaning process is completed.

Further, the steam sterilization process in the step A1 is as follows:

S1: The steam generating device generates steam;

S2: the first steam spray head sprays steam to the outer surface of the bottom of the inner cylinder and controls the rotation of the inner cylinder of the washing machine.

Further, the cleaning process includes flushing the outer surface of the bottom of the inner cylinder with water, and discharging waste water.

The invention relates to the field of washing machines. The invention provides a washing machine and a control method, and mainly relates to a washing machine with a steam device. The bottom of the inner cylinder is cleaned and sterilized by the steam device to avoid the accumulation of dirt, the growth of bacteria and mold and the generation of peculiar smell at the bottom of the inner cylinder, and prevent it from causing secondary pollution to the clothes. At the same time, the steam device is used to sterilize the clothes with high-temperature steam, which further meets the user's requirements for clothes cleaning.

According to the washing machine of the present invention, when the user selects the option of steaming the clothes, the washing machine controls tap water to enter the steam generating device, and the steam generating device starts to work to generate steam. After the user selects the process of steaming the clothes, the steam in the steam generating device passes through the steam valve control, so that steam enters the second steam nozzle, and the second steam nozzle sprays high-temperature steam into the inner cylinder to perform high-temperature steam sterilization on the clothes.

When the user selects the sterilization process of the inner cylinder bottom, the steam in the steam generating device is controlled by the steam valve, so that the steam enters the first steam nozzle, and then the high-temperature steam is sprayed to the bottom of the inner cylinder through the steam injection hole, and is controlled by the washing machine at the same time. And drive the inner cylinder of the washing machine to rotate slowly, the high-temperature and high-pressure steam cleans the bottom of the inner cylinder, uses the high-pressure impact force of the steam to wash away the dirt adhered to the bottom of the inner cylinder, and uses the high temperature of the steam to clean the bacteria and mold that grow on the bottom of the cylinder Carry out killing; after the sterilization process is finished, stop the water inlet of the washing machine, and control the steam generating device to stop working. When the user selects the cleaning process of the bottom of the inner cylinder, the washing machine controls the water inlet valve to open, and the tap water enters the flushing nozzle along the water pipe, and is sprayed out from the flushing nozzle hole to flush the bottom of the inner cylinder, and clean the bottom of the cylinder under the impact of steam. The dirt is washed into the lower part of the outer cylinder, and the waste water is discharged by the washing machine.

After adopting the technical scheme described in the present invention, bring following beneficial effect:

1. The steam generating device configured in the washing machine of the present invention can be used in one machine, which not only performs high-temperature steam treatment on the clothes, but also performs high-temperature steam treatment on the bottom of the inner cylinder, and performs high-temperature steam treatment on the washing machine in all directions.

2. The washing machine of the present invention has a simple structure and is easy to install.

3. The washing machine of the present invention can clean and sterilize the bottom of the inner cylinder without residue.

4. The washing machine of the present invention has low cost and convenient operation.

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1: the structural representation of a kind of washing machine provided by the present invention;

Fig. 2: the structural representation of the steam device of a kind of washing machine provided by the present invention;

Figure 3: a schematic structural view of the inner surface of the outer cylinder bottom of a washing machine provided by the present invention;

Figure 4: a schematic structural view of another washing machine provided by the present invention;

Figure 5: a schematic structural view of a steam device and a cleaning device of another washing machine provided by the present invention;

Figure 6: a schematic view of the structure of the inner surface of the outer cylinder bottom of another washing machine provided by the present invention;

Among them: 1. Inner cylinder, 11. Outer cylinder, 21. Water inlet valve, 211. Water pipe, 22. Water inlet valve, 221. Water pipe, 23. Water inlet valve, 231. Water pipe, 232. Flushing nozzle, 233, Flushing spray hole, 3, detergent delivery box, 4, steam generating device, 41, steam valve, 411, steam pipe, 42, steam valve, 421, steam pipe, 422, first steam nozzle, 423, steam spray hole , 5, drum drive motor, 6, drainage system.

detailed description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

As shown in Figures 1 to 6, the washing machine described in this embodiment includes a steam generating device 4 and a first steam spray head 422 communicating with the steam generating device 4, and the first steam spray head 422 is installed at the bottom of the outer tub 11 , to control the air jet to the outer surface of the inner cylinder bottom. The first steam spray head 422 is an elongated structure arranged along the radial direction of the bottom of the outer cylinder 11 . Alternatively, the first steam spray head 422 has other structures, such as a fan-shaped structure or an irregular structure.

The first steam injection head 422 is provided with at least one steam injection hole 423 , preferably, the steam injection hole 423 is arranged along the radial direction of the bottom of the outer cylinder 11 .

Preferably, the first steam spray head 422 is arranged at the bottom of the outer cylinder 11 , and the steam injection hole 423 is arranged at the inner surface of the bottom of the outer cylinder 11 to spray steam toward the inner cylinder 1 .

Embodiment two

The difference between this embodiment and Embodiment 1 is that the above-mentioned steam generating device is the steam generating device 4 used for steam washing of the existing washing machine, that is, the described washing machine is provided with a second steam nozzle for steam washing of the washing machine, and the steam generating The device 4 communicates with the first steam spray head 422 and the second steam spray head (not shown in the figure) respectively. The steam generating device 4 can be separately controlled for the steam washing procedure and the sterilization procedure for the bottom and outer surface of the inner tub 1 .

As shown in Figures 1, 2 and 3, the structure of the washing machine is that the water inlet valve 21 is connected to the water pipe 211, and the water pipe 211 is connected to the detergent delivery box 3. When the water inlet valve 21 is opened, tap water enters the detergent delivery along the water pipe 211. box 3, and then enter the inner cylinder 1 as washing water; the water inlet valve 22 is connected to the water pipe 221, and the water pipe 221 is connected to the steam generator 4; . The steam generating device 4 is connected to the steam pipe 411 through the steam valve 41, and the steam pipe 411 is connected to the second steam spray head (not shown in the figure) at the front of the inner tube 1 for passing the steam generated by the steam generating device 4 into the inner cylinder. In the cylinder 1; in addition, the steam generating device 4 is connected to the steam pipe 421 through the steam valve 42, and the steam pipe 421 is connected to the first steam nozzle 422, and the first steam nozzle 422 is embedded on the rear wall of the outer cylinder 11, and the inner surface of the bottom of the outer cylinder 11 There is one or several steam spray holes 423 , and the steam spray holes 423 spray steam toward the outer surface of the bottom of the inner cylinder 1 .

Embodiment Three

As shown in Fig. 4, Fig. 5 and Fig. 6, the washing machine described in this embodiment also includes a flushing nozzle 232, which is installed at the bottom of the outer cylinder 11 and controls to spray water to the outer surface of the bottom of the inner cylinder.

The flushing nozzle 232 is provided with at least one flushing nozzle 233, and the flushing nozzle 233 is arranged along the circumferential direction of the bottom of the outer cylinder 11. Preferably, the washing machine is a drum washing machine, and the flushing nozzle 232 is an arc-shaped structure, located on Outside the top end of the bottom of the outer cylinder 11 , more preferably, the flush water nozzle 232 is located outside the first steam nozzle 422 .

The washing machine also includes a water inlet valve 21, which communicates with the detergent dispensing box 3, the steam generating device 4 and the flushing nozzle 232 respectively.

As shown in Fig. 4, Fig. 5 and Fig. 6, the described laundry mechanism is that the water inlet valve 21 is connected to the water pipe 211, and the water pipe 211 is connected to the detergent dispensing box 3. When the water inlet valve 21 is opened, tap water enters into the detergent dispensing along the water pipe 211 box 3, and then enter the inner cylinder 1 as washing water; the water inlet valve 22 is connected to the water pipe 221, and the water pipe 221 is connected to the steam generator 4, and when the water inlet valve 22 is opened, tap water enters the steam generator 4 along the water pipe 221 as water for steam The water inlet valve 23 is connected to the water pipe 231, the water pipe 231 is connected to the flush nozzle 232, the flush nozzle 232 is embedded on the bottom of the outer cylinder 11, and one or several flush nozzle holes 233 are arranged on the inner surface of the bottom of the outer cylinder 11; The spray hole 233 is towards the bottom of the inner cylinder 1; the steam generating device 4 is connected to the steam pipe 411 through the steam valve 41, and the steam pipe 411 is connected to the front of the inner cylinder 1 for passing the steam generated by the steam generating device 4 into the inner cylinder 1, to steam wash clothes. The steam generating device 4 is connected to the steam pipe 421 through the steam valve 42, and the steam pipe 421 is connected to the first steam spray head 422. The first steam spray head 422 is embedded on the bottom of the outer cylinder 11, and has one or several steam nozzles on the inner surface of the bottom of the outer cylinder 11. A steam injection hole 423 is provided, and the steam injection hole 423 is directed toward the outer surface of the bottom of the inner tube 1 .

Embodiment Four

The control method of the washing machine of the present invention includes:

Step A1: performing a steam sterilization process;

Step A2: Determine whether to perform the cleaning process, if yes, perform the next step, if not, perform the steam sterilization process to the end;

Step A3: Execute the cleaning process, and end all processes after the cleaning process is completed.

The steam sterilization process in the above step A1 is as follows:

S1: the steam generator 4 generates steam;

S2: The first steam spray head 422 sprays steam to the outer surface of the bottom of the inner tub and controls the rotation of the inner tub of the washing machine.

The cleaning process includes washing the outer surface of the bottom of the inner cylinder with water, and discharging waste water.

Preferably: the cleaning process cannot be carried out simultaneously with the washing process performed by the washing machine, so as to prevent the discharged waste water from being brought into the inner cylinder,

Embodiment five

The control method of the washing machine described in this embodiment only executes the working process of the sterilization process as follows: after the user selects the clothing steam treatment option, the washing machine control program controls the water inlet valve 22 to open, tap water enters the steam generating device 4, and the steam generating device 4 starts Work to generate steam, at this time the steam valve 41 is opened, and the steam enters the inner cylinder 1 along the steam pipe 411 to treat the clothes.

When the user selects the bottom cleaning option, the steam valve 42 is opened, and the steam enters the first steam nozzle 422 along the steam pipe 421, and then sprays out from the steam nozzle 423. At this time, the driving motor 5 drives the inner cylinder of the washing machine to rotate slowly. The steam cleans the bottom of the inner cylinder, and the high-pressure impact force of the steam is used to wash away the dirt adhered to the bottom of the inner cylinder, and at the same time, the high temperature of the steam is used to kill the bacteria and mold growing on the bottom of the cylinder.

Embodiment six

The control method of the washing machine described in this embodiment performs the working process of the sterilization process and the cleaning process as follows: after the user selects the clothing steam treatment option, the washing machine control program controls the water inlet valve 22 to open, and tap water enters the steam generating device 4, and the steam generating device 4 starts to work to generate steam. At this time, the steam valve 41 is opened, and the steam enters the inner cylinder 1 along the steam pipe 411 to treat the clothes.

When the user selects the bottom cleaning option, the steam valve 42 is opened, and the steam enters the first steam nozzle 422 along the steam pipe 421, and then sprays out from the steam nozzle 423. At this time, the driving motor 5 drives the inner cylinder of the washing machine to rotate slowly. The steam cleans the bottom of the inner cylinder, and the high-pressure impact force of the steam is used to wash away the dirt adhered to the bottom of the inner cylinder, and at the same time, the high temperature of the steam is used to kill the bacteria and mold growing on the bottom of the cylinder; after the sterilization process is completed, The water valve 22 is closed, the steam generating device 4 stops working, the steam valve 42 is closed, and the water inlet valve 23 is opened at this time, and the tap water enters the flushing nozzle 232 along the water pipe 231, and is ejected from the flushing nozzle 233 to spray water on the bottom of the inner cylinder. Flushing, the dirt on the outer surface of the bottom of the inner cylinder 1 is washed away by steam impact cleaning to the washing machine drainage system at the bottom of the outer cylinder 11, and the waste water is discharged by the drainage system 6 of the washing machine.

In summary, the present invention uses the steam generating device 4 and the first steam nozzle 422 and the second steam nozzle communicating with the steam generating device 4 to perform high-temperature sterilization treatment on the dirt on the outer surface of the inner cylinder bottom and the clothes in the inner cylinder respectively, The dual-purpose function of the steam generating device 4 is realized, and the effect of simple structure and low cost is achieved. The present invention also uses the flushing device (that is, the integral device formed by the flushing nozzle 232 is a flushing device) to process the cleaning process at the bottom of the inner cylinder, and completely cleans away the dirt adhered to the bottom of the inner cylinder, ensuring The bottom of the inner cylinder is clean. In this embodiment, only the flushing nozzle 232 and the water pipe 421 are added on the inner surface of the outer cylinder 11 to realize the flushing device, which further ensures that the washing machine of the present invention has the characteristics of simple structure and low cost. .

The above description is only a preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, various modifications and improvements can be made, which should also be regarded as the present invention. protection scope of the invention.

Claims (10)

1. a washing machine, including steam raising plant and the first steam jet of connecting with steam raising plant, it is special Levy and be: the first described steam jet is installed on bottom urceolus, control to outer surface jet at the bottom of inner core.

A kind of washing machine the most according to claim 1, it is characterised in that: the first described steam jet is strip Shape structure, is arranged along the radial direction at the bottom of urceolus.

A kind of washing machine the most according to claim 1, it is characterised in that: the first described steam jet be provided with to Few steam fumarole, the most described steam fumarole is arranged along the radial direction at the bottom of urceolus.

A kind of washing machine the most according to claim 1, it is characterised in that: described washing machine is provided with for doing washing Second steam jet of machine steaming, steam raising plant connects with the first steam jet and the second steam jet respectively.

5. according to a kind of washing machine described in any one of Claims 1-4, it is characterised in that: described washing machine is also Including bath shower nozzle, bath shower nozzle is installed on bottom urceolus, controls to spray water to outer surface at the bottom of inner core.

A kind of washing machine the most according to claim 5, it is characterised in that: described bath shower nozzle is provided with at least one Bath spray orifice, bath spray orifice is arranged along circumferencial direction at the bottom of urceolus, it is preferred that washing machine is roller washing machine, shower nozzle of washing by water It is an arcuate structure, is located at outside the top at the bottom of urceolus, it is furthermore preferred that bath shower nozzle is positioned at the outside of the first steam jet.

A kind of washing machine the most according to claim 5, it is characterised in that: described washing machine also includes water intaking valve, Water intaking valve connects with detergent feeding box, steam raising plant and bath shower nozzle respectively.

8. the control method of washing machine as described in any one of claim 1-7, it is characterised in that: described control Method includes:

Step A1: perform steam sterilization process；

Step A2: judge whether to perform wash course, if it is, perform next step, if it does not, perform steam sterilization Process is to terminating；

Step A3: perform wash course, after wash course, terminate all processes.

Control method the most according to claim 8, it is characterised in that: in described step A1, steam sterilization process is such as Under:

S1: steam raising plant produces steam；

S2: the first steam jet is to outer surface ejection steam at the bottom of inner core and controls inner tank of washing machine rotation.

Control method the most according to claim 8, it is characterised in that: described wash course includes rinsing into water Outer surface at the bottom of inner core, discharges waste water.