CN218861145U - Washing machine steam generation device and washing machine - Google Patents

Abstract

The utility model discloses a washing machine steam generator, include: a heating element and a fan are arranged in the drying air duct to form a circulation channel of the outer drum airflow of the washing machine; the atomization device comprises an atomization nozzle and a water storage box, two ends of the atomization nozzle are respectively connected with a drying air duct and the water storage box, and water in the water storage box is atomized and sprayed into the drying air duct through high-frequency vibration of the atomization nozzle; in the steam mode of the washing machine, the heating element is started, the fan pumps the air in the outer barrel out to the drying air duct, and the atomizing device puts atomized water vapor into the drying air duct to be mixed with the air, so that a high-temperature steam environment of the inner barrel of the washing machine is formed. The utility model discloses still relate to washing machine. The utility model discloses simple structure and with low costs, atomizing device and stoving wind channel sharing heating element effectively optimize overall structure, reduce the space and occupy, and possess higher security, stability and reliability.

Description

Washing machine steam generation device and washing machine

Technical Field

The utility model relates to a washing machine field, concretely relates to washing machine steam generator and a washing machine.

Background

At present, the washing machine has been widely used in homes, and as the functional requirements of users for the washing machine are diversified, the steam washing function has been gradually applied to the washing machine, and the steam washing is based on the conventional water washing and integrates a brand new steam washing mode.

The existing washing machine is usually provided with a steam generator, and the steam generator adopts a heat device which is arranged in a water storage box and can instantly form steam at high temperature to realize the steam function of the washing machine. However, this method requires an additional separate device on the washing machine, which easily results in an increase in the overall volume of the washing machine and a waste of space, and has a complex structure and high cost.

Therefore, there is a need to provide a new method to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

To prior art's weak point, the utility model aims to provide a washing machine steam generator, its simple structure and with low costs need not additionally to set up the heater in atomizing device and heat rivers, and atomizing device and stoving wind channel sharing heating element effectively optimize overall structure, reduce the space and occupy, and possess higher security, stability and reliability.

The technical scheme of the utility model outline as follows:

a steam generating device of a washing machine, comprising:

the drying air duct and the atomizing device are communicated with the drying air duct; wherein, the first and the second end of the pipe are connected with each other,

a heating element and a fan are arranged in the drying air duct, and two ends of the drying air duct are respectively connected to the front side and the rear side of the outer drum of the washing machine so as to form a circulating channel of the airflow of the outer drum of the washing machine;

the atomization device is respectively connected with the drying air duct and the water inlet waterway, and water flow in the water inlet waterway is atomized and sprayed into the drying air duct through high-frequency vibration of the atomization device;

in the steam mode of the washing machine, the heating element is started, the fan pumps the air in the outer barrel out to the drying air duct, and the atomizing device puts atomized water vapor into the drying air duct to be mixed with the air, so that a high-temperature steam environment of the inner barrel of the washing machine is formed.

Preferably, the atomizing device comprises:

the water storage box is communicated with the water inlet waterway and is used for storing water;

the two ends of the atomizing nozzle are respectively connected with the drying air duct and the water storage box;

one end of the water absorbing piece is connected with the atomizing nozzle, and the other end of the water absorbing piece extends to the bottom of the water storage box;

the water absorbing part is used for absorbing water flow in the water storage box to continuously supplement water and humidify for the atomizing nozzle, and the water in the water absorbing part is vibrated out and atomized into water vapor through the high-frequency vibration of the atomizing nozzle.

Preferably, the atomization device is arranged close to the drying air duct, and the connection part of the atomization device and the drying air duct is positioned at the upstream of the heating element and close to the heating element.

Preferably, the atomization device comprises a first water level probe which is arranged at the top of the water storage box and extends towards the bottom in the water storage box to form a lowest water level detection point of the water storage box;

preferably, the atomization device further comprises a second water level probe which is installed at the top of the water storage box and is arranged close to the first water level probe, and the length of the second water level probe is smaller than that of the first water level probe, so that a highest water level detection point of the water storage box is formed.

Preferably, be provided with temperature sensor in the atomizing device, temperature sensor is located and is close to water storage box bottom position for whether temperature is unusual in the monitoring water storage box.

Preferably, a water injection port and an overflow port are formed at the top of the water storage box; wherein the content of the first and second substances,

the water injection port is arranged close to the atomizing nozzle and is connected with the water inlet waterway so as to inject water into the water storage box;

the overflow port is far away from the water filling port, one end of the overflow port extends to the bottom in the water storage box, and the other end of the overflow port protrudes and extends towards the outer side surface of the water storage box and is used for being connected with the overflow pipe.

Preferably, the water absorbing member is a water absorbing sponge or a water absorbing foam.

Preferably, a spray nozzle is formed on the side wall of the drying air duct in a protruding manner and used for positioning and installing the atomizing device.

A second object of the present invention is to provide a washing machine, including the above-mentioned steam generating apparatus of a washing machine.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a washing machine steam generating device, it is through setting up an atomizing device on the stoving wind channel, and under washing machine steam mode, heating element opens, and the fan in the stoving wind channel is taken the air in the urceolus out to the stoving wind channel in, and atomizing device will atomize after atomizing rivers and will atomize steam and put in to stoving wind channel and air mixing formation high temperature steam, and high temperature steam enters into in order to realize washing machine's steam function in the urceolus. This simple structure and with low costs need not additionally to set up the heater in atomizing device and heats rivers, and atomizing device and stoving wind channel sharing heating element effectively optimize overall structure, reduce the space and occupy, and possess higher security, stability and reliability.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic view of an assembly structure of a drying duct and an atomizing device according to the present invention;

FIG. 2 is a schematic structural view of a drying duct of the present invention;

FIG. 3 is a schematic view of the structure of the atomizing device of the present invention;

fig. 4 is a schematic diagram of an explosion structure of the atomizing device of the present invention;

FIG. 5 is a sectional view of the atomizing device of the present invention;

fig. 6 is a flow chart of a steam generation method of a washing machine according to embodiment 3 of the present invention;

fig. 7 is a flowchart illustrating the cleaning of the water storage box in embodiment 3 of the present invention.

In the figure: 1. a steam generating device of the washing machine;

10. a drying air duct; 11. a heating element; 12. a fan; 13. a drying tunnel; 131. an air inlet; 132. an air outlet; 133. a spray nozzle;

20. an atomizing device; 21. an atomizing spray head; 211. mounting holes; 212. a groove; 22. a water storage box; 221. a case body; 2211. a first U-shaped groove; 2212. a side plate; 22121. a second U-shaped groove; 22122. a convex strip; 222. a box cover; 223. a water injection port; 224. an overflow port; 2241. a first pipe; 2242. a second conduit; 23. a water absorbing member; 231. a first absorbent member; 232. a second water absorbing member; 241. a first water level probe; 242. a second water level probe; 30. a water inlet waterway; 40. and an overflow pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on different positions, different use states, etc. therefore, these or other orientations should not be interpreted as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

Example 1

The embodiment of the utility model provides a washing machine steam generator 1, as shown with reference to fig. 1-5, include:

a drying air duct 10 and an atomizing device 20 communicated with the drying air duct 10; wherein the content of the first and second substances,

a heating element 11 and a fan 12 are arranged in the drying air duct 10, and two ends of the drying air duct 10 are respectively connected to the front side and the rear side of the outer drum of the washing machine to form a circulation channel of the airflow of the outer drum of the washing machine;

the atomization device 20 is respectively connected with the drying air duct 10 and the water inlet waterway 30, and atomizes the water flow in the water storage box 22 through the high-frequency vibration of the atomization nozzle 21 and sprays the water flow into the drying air duct 10;

in the steam mode of the washing machine, the heating element 11 is turned on, the fan 12 pumps the air in the outer cylinder out to the drying air duct 10, and the atomizing device 20 puts the atomized water vapor into the drying air duct 10 to be mixed with the air, so as to form a high-temperature steam environment of the inner cylinder of the washing machine.

Specifically, the drying air duct 10 is fixed on the outer side wall of the outer tub of the washing machine, and the drying air duct 10 includes a drying duct 13, and an air inlet 131 and an air outlet 132 located at two ends of the drying duct 13, the air inlet 131 is communicated to the rear side of the outer tub, the air outlet 132 is communicated to the front side of the outer tub, and the air flow in the outer tub enters the drying duct 13 from the air inlet 131 and then returns to the outer tub from the air outlet 132 to form a circulation; heating element 11 and fan 12 are both disposed in this drying tunnel 13, wherein heating element 11 is disposed near air outlet 132 to reduce the heat loss of the heated air, and fan 12 is disposed near air inlet 131 to improve the efficiency of extracting the air in the outer cylinder.

The atomizing device 20 is communicated with the drying tunnel 13, wherein a spray opening 133 is convexly formed on the side wall of the drying tunnel 13, and is used for positioning and installing the atomizing device 20 to one side of the drying tunnel 13, so that the water vapor formed by the water flow atomized by the atomizing device 20 is conveyed into the drying tunnel 13. Wherein the atomizing device 20 may be provided as a humidifying device or the like.

When the washing machine is in a drying mode, the atomizing device 20 does not operate, the drying air duct 10 operates, the fan 12 pumps the air in the outer tub into the drying duct 13 through the air inlet 131, and the air is heated by the heating element 11 located in the drying duct 13 and then conveyed back into the outer tub through the air outlet 132 to dry the clothes in the outer tub.

When the washing machine is in a steam mode, the atomizing device 20 and the drying air duct 10 work simultaneously, specifically, when the fan 12 pumps air in the outer tub out of the drying duct 13, the atomizing device 20 atomizes water flow and puts formed water vapor into the drying duct 13 to be mixed with the air, the air mixed with the water vapor is heated by the heating element 11 to form high-temperature steam, and the high-temperature steam is sent back into the outer tub to contact with clothes, so that the steam washing function of the washing machine is realized.

It should be noted that, the working process of the atomization device 20 and the drying air duct 10 may also be as follows: after the air in the outer drum is pumped out into the drying channel 13 by the fan 12, the air is heated by the heating element 11 to form high-temperature air, the water flow is atomized by the atomizing device 20 and sprayed into the drying channel 13 to be mixed with the high-temperature air to obtain high-temperature steam, and then the high-temperature steam is conveyed into the outer drum of the washing machine to form a high-temperature steam environment in the drum.

In the washing process, the washing machine uniformly sprays steam onto the inner drum and the clothes, so that deep dirt such as oil stain, sweat stain and the like can be easily removed, and the clothes are naturally stretched and smoother; meanwhile, the washing of the high-temperature steam can effectively kill bacteria attached to the clothes, so that the use of disinfectant can be reduced when a user washes the clothes, and the possibility that the skin is injured by residual chemical substances is reduced.

This simple structure and with low costs, need not additionally to set up the heater in atomizing device 20 and heat rivers, atomizing device 20 and stoving wind channel 10 sharing heating element 11, also can understand that atomizing device 20 borrows the heating element 11 in stoving wind channel 10, effectively optimize overall structure, reduce the space and occupy, and because atomizing device 20 only is used for producing atomizing steam and does not possess solitary heating function, consequently can avoid appearing phenomenons such as dry combustion method, and the safety that possesses height, stability and reliability.

In one embodiment, the atomizing device 20 includes:

a water storage box 22, wherein the water storage box 22 is communicated with the water inlet waterway 30 and is used for storing water;

the two ends of the atomizing nozzle 21 are respectively connected with the drying air duct 10 and the water storage box 22;

one end of the water absorbing piece 23 is connected with the atomizing nozzle 21, and the other end of the water absorbing piece 23 extends to the bottom of the water storage box 22;

the water absorbing part 23 is used for absorbing water flow in the water storage box 22 to continuously supplement water and humidify the atomizing nozzle 21, and water in the water absorbing part 23 is shaken out and atomized into water vapor through high-frequency vibration of the atomizing nozzle 21.

The water absorbing piece 23 comprises a first water absorbing piece 231 and a second water absorbing piece 232, wherein the first water absorbing piece 231 covers the atomizing nozzle 21 in a cylindrical shape and is clamped on the water storage box 22, the second water absorbing piece 232 is arranged in a long strip shape, one end of the second water absorbing piece is connected with the first water absorbing piece 231 to form a humidifying point, and the other end of the second water absorbing piece extends to the bottom of the water storage box 22 to form an absorbing point; the second absorbs water and transmits to the first piece 231 that absorbs water back, because the atomizer 21 is laminated with the first piece 231 that absorbs water, can shake out and atomize into steam the water in the first piece 231 through the high-frequency vibration of atomizer 21, and this kind of mode can last moisturizing humidification for atomizer 21 to form even atomizing volume.

Preferably, the water absorbing piece 23 is water absorbing sponge or water absorbing foam, so that the use is convenient, the cost is low, and the effect is obvious.

Further, the atomizing device 20 is disposed adjacent to the drying air duct 10, and a connection position of the atomizing device 20 and the drying air duct 10 is located upstream of the heating element 11 and close to the heating element 11.

Specifically, the appearance of water storage box 22 and the appearance looks adaptation of drying tunnel 13, during the installation, water storage box 22 can paste and locate on this drying tunnel 13 to the heat that makes heating element 11 produce can be transmitted to water storage box 22 lateral wall by drying tunnel 13 lateral wall, thereby guarantees even if under microthermal condition, the heat that gives off through drying tunnel 13 also can make ambient temperature reach more than the zero degree, prevents that water in the water storage box 22 from freezing and causing the inefficacy problem.

The spray opening 133 of the drying tunnel 13 is located between the installation position of the fan 12 and the installation position of the heating element 11 and is arranged close to the heating element 11, that is, the air flow sequentially flows through the fan 12, the spray opening 133 and the heating element 11, which can shorten the distance between the atomized water vapor and the heating element 11, improve the efficiency of forming high-temperature steam, and prevent the atomized water vapor from directly entering the outer barrel without forming high-temperature steam.

In one embodiment, as shown in fig. 4-5, the atomization device 20 further includes a first water level probe 241, which is installed on the top of the water storage box 22 and extends toward the bottom of the water storage box 22 to form a lowest water level detection point of the water storage box 22.

Further, the atomization device 20 further includes a second water level probe 242, which is installed on the top of the water storage box 22 and is disposed near the first water level probe 241, and the length of the second water level probe 242 is smaller than the length of the first water level probe 241, so as to form a highest water level detection point of the water storage box 22.

Specifically, the water storage box 22 includes a box body 221 and a box cover 222, and the box cover 222 is covered on the box body 221 to jointly enclose a water storage chamber; first water level probe 241 and second water level probe 242 all install on this lid 222 and extend to box body 221, and first water level probe 241 extends to the minimum water level department of water storage box 22, and second water level probe 242 extends to the maximum water level department of water storage box 22, and this simple structure simple to operate, the setting of water level probe can improve the precision that the water level height detected, in time feeds back water level information to control system, guarantees atomizer 21's normal operating.

In another embodiment, a water level sensing device is disposed inside the water storage box 22 of the atomization device 20 for quantitatively knowing the water level inside the water storage box 22; wherein, the water level sensing device comprises a water level gauge, a float valve and the like.

In one embodiment, the water storage box 22 is formed with a water injection port 223 and an overflow port 224; wherein, the first and the second end of the pipe are connected with each other,

the water injection port 223 is arranged close to the atomizing nozzle 21, and the water injection port 223 is connected with the water inlet waterway 30 to inject water into the water storage box 22;

the overflow port 224 is far away from the water filling port 223, and one end of the overflow port 224 extends to the bottom of the water storage box 22, and the other end of the overflow port extends to the outer side of the water storage box 22 for connecting with the overflow pipe 40.

Specifically, a water filling port 223 and an overflow port 224 are formed on the upper surface of the box cover 222 in a protruding manner, and the water filling port 223 is perpendicular to the surface of the box cover 222 and protrudes outward for connecting the water inlet waterway 30 to facilitate rapid water filling; the overflow port 224 includes a first pipe 2241 and a second pipe 2242, wherein the first pipe 2241 is perpendicular to the inside of the cover 222 and extends to the bottom of the case body 221, and the second pipe 2242 is located at the outside of the cover 222 and protrudes toward the side of the cover 222 to connect with the overflow pipe 40; moreover, the water filling port 223 and the overflow port 224 are separately disposed at two ends of the water storage box 22, so as to avoid the mutual interference between the water filling port 223 and the overflow port 224 during the operation process.

Further, the first water level probe 241 and the second water level probe 242 are both disposed near the overflow port 224 and far away from the atomizer head 21, so that the influence of the water injection port 223 on the detection accuracy of the water level probe when water enters can be reduced.

Further, since residual water inevitably remains in the water storage box 22 and bacteria may be generated if the residual water is not recycled for a long time, thereby affecting the water quality in the water storage box 22, the water inlet path 30 and the overflow pipe 40 are provided, thereby realizing a function of cleaning the water storage box 22. The overflow pipe 40 is connected with the second pipe 2242 and extends below the water storage box 22, and the water outlet of the overflow pipe 40 is located below the bottom of the water storage box 22 to ensure that the water outlet is lower than the water level in the water storage box 22; when the water storage box 22 needs to be cleaned, the water inlet valve is opened to inject water through the water inlet waterway 30 to the water injection port 223 of the water storage box 22, so that after the water flow in the water storage box 22 reaches the highest water level, the overflow pipe 40 is communicated with the overflow port 224, the water flow in the water storage box 22 is discharged by utilizing the siphon principle, the water inlet valve is controlled to feed water for a certain time, the water in the water storage box 22 flows under the condition of continuous water inlet, the water storage box 22 is flushed and cleaned, the water in the water storage box 22 is kept fresh, and the steam sterilization effect on clothes is ensured.

Further, be provided with temperature sensor in the atomizing device 20, temperature sensor is located and is close to water storage box 22 bottom position for whether monitoring water temperature is unusual in the water storage box 22, prevent that water freezes in the water storage box 22 and cause atomizing device 20 to break down.

In one embodiment, as shown in fig. 4 and 5, the atomizer 21 comprises a piezoelectric ceramic plate; wherein the content of the first and second substances,

the middle of the piezoelectric ceramic piece is provided with a mounting hole 211 for connecting with a spray nozzle 133 positioned on the side wall of the drying air duct 10;

the side wall of the piezoelectric ceramic plate is formed with a groove 212 for clamping with the water storage box 22.

Specifically, the shape of the mounting hole 211 is adapted to the shape of the spray opening 133, and when the mounting hole 211 is fixed to the spray opening 133, the atomizing device 20 is assembled to the drying air duct 10; the side wall of the box body 221 is provided with a first U-shaped groove 2211 for fixedly connecting with the groove 212 of the piezoelectric ceramic plate; a side plate 2212 is formed on the inner side of the box body 221 for mounting the water absorbing member 23, wherein a second U-shaped groove 22121 is formed on the side plate 2212, and the side plate 2212 protrudes and extends toward the atomizing nozzle 21 to form a protruding strip 22122, the first water absorbing member 231 is clamped between the piezoelectric ceramic plates of the side plate 2212 and is located above the protruding strip 22122, the protruding strip 22122 forms a limiting structure of the first water absorbing member 231, and the second water absorbing member 232 passes through the second U-shaped groove 22121 and is connected to the center of the first water absorbing member 231.

Example 2

The embodiment of the utility model provides a washing machine is still provided, its characterized in that, include as in embodiment 1 washing machine steam generator 1.

The utility model discloses a to set up an atomizing device 20 on stoving wind channel 10, under washing machine steam mode, heating element 11 is opened, and fan 12 in the stoving wind channel 10 takes the air in the urceolus out to stoving wind channel 10 in, and atomizing device 20 atomizes the back to rivers and puts in atomizing steam to stoving wind channel 10 and air mixing in order to form high temperature steam after, high temperature steam enters into in the urceolus in order to realize washing machine's steam function. This simple structure and with low costs need not additionally to set up the heater in atomizing device 20 and heats rivers, and atomizing device 20 and stoving wind channel 10 share heating element 11, effectively optimize overall structure, reduce the space and occupy, and because atomizing device 20 only is used for producing atomizing steam and does not possess solitary heating function, consequently can avoid appearing phenomenon such as dry combustion method, possess higher security, stability and reliability.

Example 3

An embodiment of the present invention provides a steam generation method of a washing machine, as shown in fig. 6, including configuring the washing machine as in embodiment 2 to perform the following steps:

controlling a heating element 11 and a fan 12 in the drying air duct 10 to start;

starting the atomizing device 20 to process the water in the water storage box 22 into mist and spray the mist into the drying air duct 10;

the atomized water vapor is mixed with the air in the drying air duct 10 to obtain high-temperature steam.

The washing machine at least comprises a drying mode and a steam mode; wherein the content of the first and second substances,

in the drying mode, the atomizing device 20 does not work, only the drying air duct 10 works, air in the outer barrel is circulated through the internal fan 12, and the circulating air is heated through the heating element 11 to form hot dry air so as to realize the drying function;

in the steam mode, the atomizing device 20 and the drying air duct 10 work simultaneously, and atomized water vapor is sprayed in the drying air duct 10 to mix with air and be heated to form high-temperature steam, so that the steam function is realized. This simple structure and with low costs need not additionally to set up the heater in atomizing device 20 and heats rivers, and atomizing device 20 and stoving wind channel 10 share heating element 11, effectively optimize overall structure, reduce the space and occupy, and because atomizing device 20 only is used for producing atomizing steam and does not possess solitary heating function, consequently can avoid appearing phenomenon such as dry combustion method, possess higher security, stability and reliability.

Wherein controlling the heating element 11 and the fan 12 to start comprises: the heating element 11 and the fan 12 are activated simultaneously or sequentially.

Further, when the atomization device 20 is turned on, the method further comprises the following steps:

detecting the water temperature and water level in the atomizer 20;

and if the water temperature and the water level are judged to reach the preset water temperature and the preset water level, controlling the atomizing nozzle 21 of the atomizing device 20 to be opened to atomize the water vapor.

Wherein, a temperature sensor is configured to detect the temperature of the water in the water storage box 22; the second water level probe 241 is configured to detect whether the water level in the water storage box 22 is at the highest water level, if not, the water inlet valve is controlled to feed water, and when the water level in the water storage box 22 is determined to be at the highest water level, the atomizing nozzle 21 is opened.

Specifically, the washing machine at least comprises the following steps when realizing the steam function:

controlling a heating element 11 and a fan 12 in the drying air duct 10 to start;

acquiring current water temperature information monitored by a temperature sensor in the atomization device 20;

judging whether the current water temperature monitored by the temperature sensor reaches a preset temperature or not;

otherwise, the washing machine gives an abnormal alarm;

if yes, the water level in the water storage box 22 is detected through the second water level probe 242;

judging whether the water level detected by the second water level probe 242 reaches the maximum water level;

otherwise, controlling the water inlet valve to feed water, and returning to the step of detecting the water level in the water storage box 22 through the second water level probe 242;

if yes, the atomizing nozzle 21 is controlled to be opened so as to atomize the water flow in the water storage box 22 and spray the water flow into the drying air duct 10;

controlling the first water level probe 241 to detect the water level in the water storage box 22;

when the water level in the water storage box 22 does not reach the lowest water level, controlling the atomizing nozzle 21 to continue working;

when the water level in the water storage box 22 reaches the lowest water level, the atomizing nozzle 21 is controlled to stop working.

In one embodiment, the preset temperature is set to 0 degree celsius, and when the temperature of the water in the atomizing device 20 is higher than 0 degree celsius (i.e. the water is not frozen), the water flow can be sucked by the water sucking member 23 and enter the atomizing nozzle 21 for atomization.

In one embodiment, as shown in fig. 7, the step of configuring the inlet waterway 30 and the overflow pipe 40 to clean the water storage box 22 includes the following steps:

detecting the water level in the atomization device 20;

if the water level is judged to reach the highest water level, controlling the water inlet valve to feed water for a certain time;

the water flows in from the inlet water path 30 and then flows out from the overflow pipe 40 to complete the cleaning of the water storage box 22.

Since residual water inevitably remains in the water storage box 22 and the residual water may cause bacteria to grow if the residual water is not recycled for a long time, thereby affecting the water quality in the water storage box 22, the water inlet path 30 and the overflow pipe 40 are provided, thereby realizing a function of cleaning the water storage box 22. Specifically, the cleaning function comprises the following steps:

detecting the water level in the water storage box 22 through a second water level probe 242 in the atomization device 20;

judging whether the water level detected by the second water level probe 242 reaches the maximum water level;

otherwise, controlling the water inlet valve to feed water, and returning to the step of detecting the water level in the water storage box 22 through the second water level probe 242 in the atomization device 20;

if yes, the water inlet valve is controlled to feed water for a certain time, and water flows into the water inlet waterway 30 and then overflows from the overflow pipe 40 to finish the cleaning of the water storage box 22.

In one embodiment, when the water level reaches the highest level, the inlet valve is controlled to feed water for at least 30s to complete the cleaning.

While the embodiments of the invention have been described above, it is not intended to be limited to the embodiments shown, and described, but rather to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent as may be readily modified by those skilled in the art, and to such extent as is not limited by the specific details shown and described herein without departing from the general concepts defined by the claims and their equivalents.

Claims (10)

1. A steam generating apparatus of a washing machine, comprising:

the drying air channel and the atomizing device are communicated with the drying air channel; wherein the content of the first and second substances,

a heating element and a fan are arranged in the drying air duct, and two ends of the drying air duct are respectively connected to the front side and the rear side of the outer barrel of the washing machine so as to form a circulation channel of airflow of the outer barrel of the washing machine;

the atomization device is respectively connected with the drying air duct and the water inlet waterway, and water flow in the water inlet waterway is atomized and sprayed into the drying air duct through high-frequency vibration of the atomization device;

under the washing machine steam mode, heating element opens, the fan takes the air in the urceolus out extremely in the stoving wind channel, atomizing device puts in atomizing steam to stoving wind channel and air mixing to form the high temperature steam environment of washing machine inner tube.

2. A steam generating apparatus of a washing machine according to claim 1, wherein the atomizing means comprises:

the water storage box is communicated with the water inlet waterway and is used for storing water;

the two ends of the atomizing nozzle are respectively connected with the drying air duct and the water storage box;

one end of the water absorbing piece is connected with the atomizing spray head, and the other end of the water absorbing piece extends to the bottom of the water storage box;

the water absorbing part is used for absorbing water flow in the water storage box, the atomizing nozzle continuously replenishes water and humidifies the water, and water in the water absorbing part is shaken out and atomized into water vapor through high-frequency vibration of the atomizing nozzle.

3. A steam generating apparatus of a washing machine as claimed in claim 2, wherein: the atomizing device is close to the drying air channel, and the connection position of the atomizing device and the drying air channel is located at the upper stream of the heating element and close to the heating element.

4. A steam generating apparatus of a washing machine as claimed in claim 2, wherein: the atomization device comprises a first water level probe which is arranged at the top of the water storage box and extends towards the bottom in the water storage box to form a lowest water level detection point of the water storage box.

5. The steam generating apparatus of a washing machine as claimed in claim 4, wherein: the atomization device further comprises a second water level probe which is arranged at the top of the water storage box and is close to the first water level probe, and the length of the second water level probe is smaller than that of the first water level probe to form a highest water level detection point of the water storage box.

6. A steam generating apparatus of a washing machine as claimed in claim 2, wherein: a temperature sensor is arranged in the atomizing device and is located close to the bottom of the water storage box to monitor whether the water temperature in the water storage box is abnormal or not.

7. A steam generating apparatus of a washing machine as claimed in claim 2, wherein: a water filling port and an overflow port are formed at the top of the water storage box; wherein the content of the first and second substances,

the water injection port is arranged close to the atomizing spray head and is connected with a water inlet waterway so as to inject water into the water storage box;

the overflow mouth is kept away from the water filling port sets up, just overflow mouth one end extends to bottom in the water storage box, the other end to the water storage box lateral surface protrusion extends for be connected with the warning pipe.

8. A steam generating apparatus of a washing machine as claimed in claim 2, wherein: the water absorbing piece is water absorbing sponge or water absorbing foam.

9. A steam generating apparatus of a washing machine as claimed in claim 1, wherein: and a spray nozzle is formed on the side wall of the drying air duct in a protruding manner and used for positioning and installing the atomizing device.

10. A washing machine characterized by comprising a washing machine steam generating apparatus as claimed in any one of claims 1 to 9.

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