CN213804462U - Washing machine - Google Patents

Abstract

The utility model discloses a washing machine relates to clothing washing technical field for solve the higher problem of washing machine cost that has the fold function among the prior art. The utility model discloses a washing machine includes: a housing; a wash drum mounted within the housing; the drying air channel is formed between the shell and the washing drum, an inlet of the drying air channel and an outlet of the drying air channel are respectively communicated with different positions of the washing drum, a heating device and a fan are installed in the drying air channel, and a water retaining structure is arranged on the drying air channel close to the outlet; the spraying device comprises a spray head arranged in the drying air channel, the spraying direction of the spray head is consistent with the wind guiding direction of the drying air channel, and the fan is used for guiding water sprayed out of the spray head to the heating device. The utility model discloses a washing machine is used for wasing the clothing.

Description

Washing machine

Technical Field

The utility model relates to a clothing washs technical field, especially relates to a washing machine.

Background

At present, a washing machine is a common household appliance and can provide more convenience for life of people. With the improvement of living standard of people, the washing machine is required to have functions of drying, wrinkle removing, bacteria removing and the like besides the functions of conventional washing and spin-drying. The existing washing machine with the wrinkle removing function needs to be provided with a special steam generating device, so that the manufacturing cost of the washing machine is higher.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a washing machine for solve the higher problem of washing machine cost that has the fold function of going among the prior art.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

an embodiment of the present application provides a washing machine, including: a housing; a wash drum mounted within the housing; the drying air channel is formed between the shell and the washing drum, an inlet of the drying air channel and an outlet of the drying air channel are respectively communicated with different positions of the washing drum, a heating device and a fan are installed in the drying air channel, and a water retaining structure is arranged on the drying air channel close to the outlet; the spraying device comprises a spray head arranged in the drying air channel, the spraying direction of the spray head is consistent with the wind guiding direction of the drying air channel, and the fan is used for guiding water sprayed out of the spray head to the heating device.

In some possible embodiments of the present application, the nozzle is located on an air inlet side of the fan, the heating device is located on an air outlet side of the fan, and the nozzle sprays water towards the impeller of the fan.

In some possible embodiments of the present application, the opening of the washing drum faces a horizontal side, the drying air duct is in an inverted U shape along an axial cross section of the washing drum, the drying air duct includes a first vertical section, a horizontal section and a second vertical section which are sequentially connected, the first vertical section is located at a rear side of a back plate of the washing drum, the horizontal section is located above the washing drum, and the second vertical section is located at a front side of the washing drum; heating device with the fan is all installed in the horizontal segment, the fan is centrifugal fan, the fan is located on the horizontal segment with the junction of first vertical section, just the air intake of fan is down, the shower nozzle is installed in the first vertical section, just the shower nozzle is less than the air intake setting of fan.

In some possible embodiments of the present application, a distance between the spray head and the fan in a vertical direction is less than or equal to 80 mm.

In some possible embodiments of the present application, the water blocking device is located at one end of the horizontal section close to the second vertical section, and is located on the lower surface of the inner wall of the horizontal section.

In some possible embodiments of the present application, the height of the water blocking device is less than 5mm, or the height of the water blocking device is less than 1/5 of the height of the drying air duct.

In some possible embodiments of the present application, the heating device is a heating tube.

In some possible embodiments of the present application, the heating pipe is coiled along an extending direction of the drying duct.

In some possible embodiments of the present application, the method further includes: the temperature detection device is arranged in the drying air duct; the controller is electrically connected with the temperature detection device and the heating device, and is used for controlling the heating device to be opened and closed according to the temperature value detected by the temperature detection device.

In some possible embodiments of the present application, the fan is a variable frequency fan, the controller is electrically connected to the fan, and the controller is further configured to adjust the wind speed of the fan according to the temperature value detected by the temperature detection device.

In some possible embodiments of the present application, the temperature detecting device is a temperature sensor.

The washing machine provided by the embodiment of the application can utilize the drying air duct of the existing drying washing machine, the spray head is additionally arranged in the drying air duct, after the spray device is started, the spray head sprays water into the drying air duct, because the spray direction of the spray head is consistent with the air guide direction of the drying air duct, the fan can quickly guide the water sprayed by the spray head to the heating device, the sprayed water is evaporated by the heating device, then the air with a large amount of steam is guided into the washing drum through the opening of the drying air duct, passes through clothes fibers in the washing drum, softens the clothes fibers, and realizes the function of removing clothes wrinkles, namely the washing machine has the function of ironing and washing, and because a special steam generating device is not needed to be arranged, the cost of the washing machine in the embodiment of the application is lower; and the drying air duct is provided with a water retaining structure near the outlet, water sprayed by the spray head drops into the drying air duct, and the water retaining structure can prevent water accumulated in the drying air duct from flowing out through the inner wall of the drying air duct and entering the inner drum of the washing machine drum to wet clothes.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a washing machine according to an embodiment of the present application;

FIG. 2 is a three-dimensional structural view of a washing machine according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating air circulation in the washing machine according to the embodiment of the present invention.

Reference numerals:

1-a housing; 2-washing the drum; 21-inner cylinder; 22-an outer cylinder; 3-a heating device; 4-a fan; 5-drying the air duct; 51-an inlet; 52-an outlet; 6-a spraying device; 61-a first water inlet pipe; 62-a first inlet valve; 63-a spray head; 7-temperature detection means; 8-water retaining structure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description of the present application, "and/or" is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 1 and 2, the washing machine according to the embodiment of the present application includes a housing 1, a washing tub 2, a door lock, a motor, a heating device 3, a fan 4, a waterway assembly, an auxiliary assembly, and a control assembly.

Wherein, the shell 1 can be made of plastic or metal material, a control panel or control buttons are arranged on the shell, and a user can select a required washing process or a required clothes protection process through the control panel or the control buttons.

The washing drum 2 is arranged in the shell 1, and the input opening of the washing drum 2 faces upwards for the pulsator washing machine; for the drum washing machine, the input opening of the washing drum 2 faces forward, and the washing drum 2 is connected with the shell 1 at the input opening through a door seal. A cylinder cover is arranged at the throwing opening of the washing cylinder 2 and is used for opening or closing the washing cylinder 2. The washing drum 2 comprises an inner drum 21 and an outer drum 22, wherein the inner drum 21 is sleeved in the outer drum 22, a plurality of through holes are uniformly formed in the inner drum 21, the inner drum 21 is used for bearing clothes to be cleaned, the outer drum 22 is used for bearing washing water, and the washing water can enter and exit the inner drum 21 through the through holes. The door lock is arranged between the cylinder cover and the shell 1, the cylinder cover can be connected with the shell 1 through the door lock, in the washing process, the door lock can be locked in a closed state, and the phenomenon that the cylinder cover is opened by mistake to cause danger is avoided.

The motor is in transmission connection with the washing drum 2, and the motor can drive the washing drum 2 to move in different rotating directions (and different rotating speeds) so as to wash clothes.

Referring to fig. 1, a drying air duct 5 is formed between the washing drum 2 and the casing 1, an inlet 51 of the drying air duct 5 and an outlet 52 of the drying air duct 5 are respectively communicated with different positions of the washing drum 2, the heating device 3 and the fan 4 are installed in the drying air duct 5, the fan 4 guides hot air generated by the heating device 3 into the washing drum 2 through the drying air duct 5 to dry clothes, and then guides the air with reduced temperature into the drying air duct 5 again, thereby circularly drying the clothes. The waterway assembly comprises a water inlet pipeline, various water inlet valve members arranged on the water inlet pipeline, a drain valve (or a drain pump) and a drain pipeline, when the water inlet valve members are controlled to be opened, water can be guided into the washing cylinder 2 through the water inlet pipeline, and the drain valve (or the drain pump) is used for draining the water in the washing cylinder 2 through the drain pipeline. In some types of washing machines, the waterway assembly may further include a dosing pump, which may be used to automatically dose the laundry detergent or laundry care solution.

The auxiliary assembly comprises a water level detection device, an alarm device, a thread scrap filter and the like, wherein the water level detection device is used for detecting the water level in the washing drum 2, the alarm device is used for reminding a user of finishing a washing program or giving a fault alarm, and the thread scrap filter is used for filtering sundries in the washing water in the washing drum 2.

The control assembly comprises a main controller and a motor controller, the main controller is connected with various control valves (such as a water inlet valve and a water discharge valve), a pump (a throwing pump or a water discharge pump), a water level detection device and an alarm device in the washing machine, and the main controller is connected with various components through control, so that the washing flow of the washing machine is controlled; the motor controller is used for being electrically connected with the motor and controlling the motor. For the washing machine with the control panel of the display device, the control assembly further comprises a display controller, and the display controller is used for controlling the display device.

A spraying device 6 is further installed in the housing 1, the spraying device 6 comprises a first water inlet pipe 61, a first water inlet valve 62 and a nozzle 63, wherein the first water inlet pipe 61 is included in the water inlet pipe, the first water inlet pipe 61 is communicated with the nozzle 63, and the first water inlet pipe 61 is communicated with a water supply device (such as a faucet and a water storage tank) and used for supplying water to the nozzle 63; a first water inlet valve 62 is installed on the first water inlet pipe 61, and the first water inlet valve 62 is used for controlling connection or disconnection of the first water inlet pipe 61; the spray head 63 is installed in the drying air duct 5, the spraying direction of the spray head 63 is consistent with the air guiding direction of the drying air duct 5, and the fan 4 can guide the water sprayed out from the spray head 63 to the heating device 3. When the first water inlet valve 62 is opened, the first water inlet pipe 61 supplies water to the spray head 63, the spray head 63 sprays water into the drying air duct 5, the heating device 3 can evaporate the water sprayed from the spray head 63, and the fan 4 guides the air with a large amount of steam into the washing drum 2. Fig. 2 shows a schematic structural diagram of a drum washing machine as a washing machine according to an embodiment of the present application.

The washing machine provided by the embodiment of the application can utilize the drying air duct 5 of the existing drying washing machine, the spray head 63 is additionally arranged in the drying air duct 5, after the spray device 6 is started, the spray head 63 sprays water into the drying air duct 5, because the spraying direction of the spray head 63 is consistent with the air guiding direction of the drying air duct 5, the fan 4 can quickly guide the water sprayed by the spray head 63 to the heating device 3, the sprayed water is evaporated by the heating device 3, then the air with a large amount of steam is guided into the washing drum 2 through the opening of the drying air duct 5 and penetrates through the clothes fibers in the washing drum 2 to soften the clothes fibers, and the function of removing clothes wrinkles is realized, namely the washing machine has the function of steaming, and the cost of the washing machine provided by the embodiment of the application is lower because a special steam generating device is not needed; and the drying air duct 5 is provided with a water retaining structure 8 near the outlet 52, water sprayed from the spray nozzle 63 falls into the drying air duct 5, and the water retaining structure 8 can prevent water accumulated in the drying air duct 5 from flowing out through the inner wall of the drying air duct 5 and entering the inner drum 21 of the washing machine to wet clothes.

Considering that if the heating device 3 is installed between the nozzle 63 and the fan 4, the nozzle 63 directly sprays water onto the heating device 3, and steam with high temperature can be generated in a short time, so that the drying air duct 5 is easily overheated, the drying air duct 5 and components in the drying air duct 5 are easily aged at high temperature, and the service life is shortened. Therefore, the fan 4 in the embodiment of the present application is located between the nozzle 63 and the heating device 3, i.e. the nozzle 63 is located on the air inlet side of the fan 4, the heating device 3 is located on the air outlet side of the fan 4, the nozzle 63 sprays water towards the impeller of the fan 4, the water sprayed by the nozzle 63 is scattered by the impeller of the fan 4 to form finer water drops, and then the water drops are heated by the heating device 3, the amount of steam generated after heating is stable and uniform, and overheating of the drying air duct 5 is not easily caused.

Referring to fig. 1, in the drum washing machine, an opening of a washing tub 2 of the drying washing machine faces a horizontal side, and a cross section of the drying duct 5 along an axial direction of the washing tub 2 is in an inverted U shape. The drying air duct 5 comprises a first vertical section, a horizontal section and a second vertical section which are sequentially connected, wherein the first vertical section is positioned at the rear side of the back plate of the washing drum 2, the horizontal section is positioned above the washing drum 2, and the second vertical section is positioned at the front side of the washing drum 2. Heating device 3 and fan 4 are all installed in the horizontal segment, fan 4 is centrifugal fan, fan 4 is located the junction with first vertical section on the horizontal segment, and fan 4's air intake down, shower nozzle 63 installs in first vertical section, and shower nozzle 63 is less than the air intake setting of fan 4, shower nozzle 63 sprays water up promptly, spun water is sucked by fan 4 backward and is broken up for the droplet under the high-speed rotation of impeller, the structure of stoving wind channel 5 is compacter, can not be because of addding shower nozzle 63, and need carry out great transformation to original stoving wind channel 5.

It should be noted that the inlet 51 of the drying air duct 5 is located on the back plate of the outer tub 22, and the outlet 52 of the drying air duct 5 is located at the front side door seal between the inner tub 21 and the outer tub 22. Fig. 3 shows the air flow direction in the drying duct 5 and the washing tub 2, and the cold air near the rear side of the back plate of the washing tub 2 is sucked into the drying duct 5 by the blower 4, and the hot air containing a large amount of steam is introduced into the inner tub 21 from the door seal between the inner tub 21 and the outer tub 22.

In order to ensure that the fan 4 has a good scattering effect on the sprayed water, the distance between the spray nozzle 63 and the fan 4 in the vertical direction cannot be too large, otherwise, a sufficient suction force cannot be formed, and therefore, referring to fig. 3, the distance L between the spray nozzle 63 and the fan 4 in the vertical direction in the embodiment of the present application is less than or equal to 80mm, for example, the distance L between the spray nozzle 63 and the fan 4 in the vertical direction is 50mm, 60mm, 70mm, or 80 mm.

Above-mentioned water retaining structure 8 is located the one end that is close to the vertical section of second in the horizontal segment of above-mentioned stoving wind channel 5, and is located the inner wall lower surface of horizontal segment, and water retaining structure 8 conveniently sets up, for example, water retaining structure 8 can set up to the fender muscle, and the manger plate effect is better.

Of course, other arrangement positions can be selected according to the actual structural design of the water retaining structure 8, for example, the water retaining structure 8 is an annular retainer ring, and the water retaining structure 8 can be arranged in the drying air duct 5 in a surrounding manner.

The cross section of the water retaining structure 8 is rectangular, circular arc or trapezoidal, the included angle of the connection part of the trapezoidal water retaining structure 8 and the drying air duct 5 is larger than 90 degrees, and water is not easy to accumulate at the connection part.

Considering that the height of the water retaining structure 8 is designed to be large, and the wind resistance generated by the water retaining structure 8 is too large, which affects the steaming effect, referring to fig. 3, the height H of the water retaining device 8 in the embodiment of the present application is 5mm or less, or the height H of the water retaining device 8 is 1/5 or less of the height H of the drying air duct 5 (at the water retaining device 8) (if the cross section of the drying air duct 5 is circular, the diameter of the drying air duct 5 is referred to herein).

The heating device 3 can be a heating wire, a heating plate or a heating pipe. The heating device 3 in the embodiment of the application is a heating pipe which has the advantages of good insulating property, high power, shock resistance, moisture resistance and the like.

In some embodiments of this application, above-mentioned heating tube coils the setting along the extending direction of stoving wind channel 5, and the air that carries the water droplet has longer heat transfer time with the heating tube, and the evaporation is more abundant, and the steam of formation is more even stable.

The washing machine of the embodiment of the application further comprises a temperature detection device 7, the temperature detection device 7 is installed in the drying air duct 5, the main controller is electrically connected with the temperature detection device 7 and the heating device 3, and the main controller is used for controlling the heating device 3 to be opened or closed according to the temperature value detected by the temperature detection device 7. For example, when the temperature value detected by the temperature detection device 7 is higher than a preset maximum temperature threshold, the heating device 3 is controlled to be turned off, so as to avoid the overhigh temperature in the drying air duct 5; when the temperature value detected by the temperature detection device 7 is lower than the preset minimum temperature threshold value, the temperature detection device 7 is controlled to be closed so as to ensure that sufficient and stable steam quantity can be continuously generated.

The temperature detection device 7 may be installed at any position in the drying duct 5. Because the outlet 52 of the drying air duct 5 is close to the input port, and the temperature at the outlet 52 can reflect the problems that whether the temperature at the outlet of the drying air duct 5 can burn clothes and burn users, the temperature detection device 7 is installed at the outlet 52 of the drying air duct 5 in the embodiment of the present application.

Above-mentioned fan 4 is frequency conversion fan, or non-frequency conversion fan, like the BLDC fan (Brushless Direct Current Motor, by Brushless Direct Current Motor driven fan), and main control unit is connected with fan 4 electricity, and main control unit still is used for adjusting the wind speed of fan 4 according to the temperature value that temperature-detecting device 7 detected. For example, if the temperature value detected by the temperature detection device 7 is too low, the wind speed of the fan 4 is reduced, so that the surface temperature of the heating device 3 is rapidly increased; if the temperature value detected by the temperature detection device 7 is too high, the air speed of the fan 4 is increased, so that the surface temperature of the heating device 3 is quickly reduced, the generation of uniform steam quantity in the steaming and scalding process is facilitated, and the phenomenon that the steam quantity is small and large is avoided.

The temperature detection device 7 may be a temperature detector or a temperature sensor. The temperature detection device 7 in the embodiment of the application is a temperature sensor which has the advantages of small temperature measurement error, low price, high response speed and long transmission distance.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A washing machine, characterized by comprising:

a housing;

a wash drum mounted within the housing;

the drying air channel is formed between the shell and the washing drum, an inlet of the drying air channel and an outlet of the drying air channel are respectively communicated with different positions of the washing drum, a heating device and a fan are installed in the drying air channel, and a water retaining structure is arranged on the drying air channel close to the outlet;

the spraying device comprises a spray head arranged in the drying air channel, the spraying direction of the spray head is consistent with the wind guiding direction of the drying air channel, and the fan is used for guiding water sprayed out of the spray head to the heating device.

2. The washing machine as claimed in claim 1, wherein the spray head is located at an air inlet side of the blower, the heating device is located at an air outlet side of the blower, and the spray head sprays water toward an impeller of the blower.

3. The washing machine as claimed in claim 2, wherein the opening of the washing tub faces a horizontal side, the drying duct has an inverted U-shaped cross-section along an axial direction of the washing tub, the drying duct includes a first vertical section, a horizontal section and a second vertical section connected in sequence, the first vertical section is located at a rear side of a back plate of the washing tub, the horizontal section is located above the washing tub, and the second vertical section is located at a front side of the washing tub;

heating device with the fan is all installed in the horizontal segment, the fan is centrifugal fan, the fan is located on the horizontal segment with the junction of first vertical section, just the air intake of fan is down, the shower nozzle is installed in the first vertical section, just the shower nozzle is less than the air intake setting of fan.

4. A washing machine as claimed in claim 3 wherein the spacing between the spray head and the fan in the vertical direction is less than or equal to 80 mm.

5. The washing machine as claimed in claim 3, wherein the water blocking device is located at an end of the horizontal section adjacent to the second vertical section and at a lower surface of an inner wall of the horizontal section.

6. The washing machine as claimed in claim 5, wherein the water blocking device has a height of 5mm or less, or the water blocking device has a height of 1/5 or less of the drying duct.

7. A washing machine as claimed in claim 1 wherein the heating means is a heating pipe.

8. The washing machine as claimed in claim 7, wherein the heating duct is wound in an extending direction of the drying duct.

9. The washing machine as claimed in claim 1, further comprising:

the temperature detection device is arranged in the drying air duct;

the controller is electrically connected with the temperature detection device and the heating device, and is used for controlling the heating device to be opened and closed according to the temperature value detected by the temperature detection device.

10. A washing machine as claimed in claim 9, wherein the temperature sensing means is a temperature sensor.

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