CN215405128U - Air purification system of drum washing machine and drum washing machine - Google Patents
Air purification system of drum washing machine and drum washing machine Download PDFInfo
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- CN215405128U CN215405128U CN202120152991.0U CN202120152991U CN215405128U CN 215405128 U CN215405128 U CN 215405128U CN 202120152991 U CN202120152991 U CN 202120152991U CN 215405128 U CN215405128 U CN 215405128U
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Abstract
The utility model discloses an air purification system of a drum washing machine, which comprises: a first air duct having, in an air flow direction: the first air inlet is communicated with the air inlet through hole; the first air supply outlet is communicated with the first air inlet and extends into the inner barrel from top to bottom; a second air duct having, in an air flow direction: the second air inlet is communicated with the inner cylinder; the second air supply outlet is communicated with the second air inlet, and the second air supply outlet is communicated with the air exhaust through hole; and the fan is arranged between the second air inlet and the second air supply outlet. A drum washing machine is also disclosed. The utility model can effectively solve the problem that the inner cylinder is easy to breed bacteria and even generate mould.
Description
Technical Field
The utility model belongs to the technical field of washing machines, and particularly relates to an air purification system of a drum washing machine and the drum washing machine.
Background
A drum washing machine is a common household appliance for washing laundry. In terms of basic construction, a drum washing machine generally includes a housing, an outer tub, an inner tub, a motor, a door, and a sealing member. The outer cylinder is used for containing washing water, the inner cylinder is arranged in the outer cylinder, and the inner cylinder rotates in the outer cylinder under the driving of the motor. And doors are arranged at the corresponding openings of the shell and the outer cylinder to open or close the openings. A sealing member (window gasket) is provided between the outer tub and the door to seal a gap between the outer tub and the door. The water in the outer cylinder is supplied through a specially designed water supply waterway and is discharged through a water discharge waterway, a water supply valve is arranged on the water supply waterway, and a water discharge valve is arranged on the water discharge waterway. The water supply valve, the drain valve and the motor are operated according to a set program to perform various functions of washing, dehydrating, rinsing, etc.
In the course of executing washing, dewatering, rinsing and drying processes, the inner barrel is kept in an integrally sealed state. When washing, the water and the detergent are mixed to form washing water, and part of the washing water is remained in the inner cylinder after long-term use. Although the inner barrel is made of selected materials, and the surface coating of the inner barrel has certain hydrophobicity; however, the hydrophobic property is limited, and residual wash water, bubble soil, etc. are easily accumulated on the surface of the inner tub, especially in the rugged area or corner. If the use environment is warm and humid, mold, peculiar smell and the like can also occur, and secondary pollution is caused to the subsequent washed clothes.
The prior art has been directed to solving this problem, such as soaking the inner cartridge with a detergent for removing the dirt, i.e., putting the detergent into the inner cartridge, then manually injecting a certain amount of water into the inner cartridge, and discharging the dirt after it is dissolved. Because the drum washing machine does not have corresponding procedures, the whole cleaning process is very complicated and inconvenient, and detergent for washing the inner drum is likely to remain in the drum, which causes repeated pollution. Chinese patent CN106350962B discloses a washing machine drum self-cleaning system, which discloses a washing machine drum self-cleaning system, method and drum washing machine, wherein the drum washing machine includes a spray device, wherein the spray device is disposed on the inner wall of the outer drum rear drum of the washing machine, and can effectively clean the main dirt part of the washing machine drum. Meanwhile, the filter screen is arranged in the water tank, so that water resources are recycled when the roller is cleaned, and the efficient water-saving effect is achieved. However, one of the necessary conditions for bacterial reproduction is moisture, and the moist environment is a liquid culture medium, which constitutes a bacterial growth condition, and such a spray device cannot achieve an ideal cleaning effect. If open the door and carry out natural drying, firstly the door body can occupy more indoor spaces, secondly the natural drying treatment effect is poor, speed is slow, causes dust cross contamination easily, and the third, in great south area of humidity or coastal area, natural air-dry can't reach ideal humidity threshold basically.
Disclosure of Invention
The utility model designs and provides an air purification system of a drum washing machine aiming at the problems that in the prior art, the surface material of an inner barrel is limited in hydrophobic property, the surface of the inner barrel is uneven, residual washing water and foam dirt can be accumulated, and the air purification system is used in a warm and humid environment, so that bacteria and even mould are easy to breed.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
an air purification system of a drum washing machine, comprising: a first air duct having, in an air flow direction: the first air inlet is communicated with the air inlet through hole; the first air supply outlet is communicated with the first air inlet and extends into the inner barrel from top to bottom; a second air duct having, in an air flow direction: the second air inlet is communicated with the inner cylinder; the second air supply outlet is communicated with the second air inlet, and the second air supply outlet is communicated with the air exhaust through hole; and the fan is arranged between the second air inlet and the second air supply outlet.
Furthermore, at least one air inlet through hole is arranged, the air inlet through hole is formed in the front panel of the drum washing machine, and the air exhaust through hole is formed in the back panel of the drum washing machine; or the air inlet through hole is formed in the first side wall of the drum washing machine, and the air outlet through hole is formed in the second side wall of the drum washing machine; or the air inlet through hole and the air outlet through hole are respectively arranged on the top wall of the drum washing machine.
Further, the first air duct includes: the first air inlet is formed at one end of the air inducing section, a sealing element is arranged at the other end of the air inducing section, and the sealing element is in pivot connection with the upper portion of the air inducing section.
Further, the first air duct includes: a first drainage cavity, the first drainage cavity comprising: a first horizontally extending section including a diameter-varying portion; the diameter of the variable-diameter part is gradually increased along the air flowing direction, the induced air section is connected with the first horizontal extension section, and the sealing element is arranged at the connection position of the induced air section and the first horizontal extension section; and the first vertical extension section is communicated with the first horizontal extension section, and the first air supply outlet is formed at the tail end of the first vertical extension section.
Further, the second air duct includes: a second drainage cavity, the second drainage cavity comprising: the second vertical extension section extends along the vertical direction, and the second air inlet is formed at the initial end of the second vertical extension section; the second horizontal extension section is communicated with the second vertical extension section, and the second air supply outlet is formed at the tail end of the second horizontal extension section; wherein the fan is disposed in the second horizontally extending section.
Furthermore, the first drainage cavity is enclosed by the integrally formed first drainage cavity wall, and the second drainage cavity is enclosed by the integrally formed second drainage cavity wall.
As an optional mode, the air inlet through holes are provided with a plurality of air inlet through holes, the air inlet through holes are positioned above a door body protruding out of a front panel of the drum washing machine, and the air inlet through holes are uniformly arranged and distributed along the outer edge of the door body.
As an optional mode, a plurality of air inlet through holes are formed; the plurality of air inlet through holes are positioned above the door body recessed in the front panel of the drum washing machine; the front panel of the drum washing machine is provided with a transition connecting part, and a plurality of air inlet through holes are uniformly arranged and distributed along the edge of the transition connecting part.
As an optional mode, the air inlet through holes are provided with a plurality of air inlet through holes which are arranged in groups, the air inlet through holes are respectively arranged at the corners of the front panel of the drum washing machine, and each group of air inlet through holes are uniformly and annularly arranged.
Another aspect of the present invention also provides a drum washing machine including: a housing having a front panel and a back panel; an outer barrel disposed within the housing; an inner barrel rotatably disposed within the outer barrel; a door provided on a front panel of the case; the front panel is provided with at least one air inlet through hole, and the back plate is provided with an air exhaust through hole; the drum washing machine further includes: a first air duct having, in an air flow direction: the first air inlet is communicated with the air inlet through hole; the first air supply outlet is communicated with the first air inlet and extends into the inner barrel from top to bottom; a second air duct having, in an air flow direction: the second air inlet is communicated with the second air supply outlet, and the second air inlet is communicated with the inner cylinder; the second air supply outlet is communicated with the air exhaust through hole; and the fan is arranged between the second air inlet and the second air supply outlet.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the air purification system of the drum washing machine, the air circulation system capable of being connected with the outside is additionally arranged on the inner cylinder in the sealing work, so that air circulation between the inner cylinder and the environment is realized, air with high humidity is taken away, peculiar smell in the inner cylinder is avoided, and the inner cylinder is ensured to be dry. The first air duct and the second air duct are independent parts, so that a balance system that air enters from one side of the drum washing machine and is discharged from the other side of the drum washing machine can be realized, a fan which is a single power source is utilized to enable fan blades to rotate to form air circulation, and the air flows into the inner barrel to form convection under the action of the pressure of the inner barrel and the outer barrel, so that the high-efficiency and low-energy consumption are realized. The first air duct and the second air duct are arranged on the top side or the periphery of the inner barrel, and the height difference between the first air duct and the washing water is naturally formed, so that the washing water can be effectively prevented from overflowing.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air purification system of a drum washing machine according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a front view of a drum washing machine employing the air purification system provided in the present invention to show a first arrangement of air inlet holes;
FIG. 5 is a front view of a drum washing machine employing the air purification system provided in the present invention to show a second arrangement of the air inlet holes;
fig. 6 is a front view of a drum washing machine employing the air purification system provided by the present invention to show a third arrangement of the air inlet holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
An air purification system of a drum washing machine is shown in fig. 1 to 3, which aims to solve the problems that in the prior art, the surface of an inner drum of the drum washing machine is limited in hydrophobic property, uneven in the surface of the inner drum, possibly accumulated with residual washing water and bubble dirt, and easily bred with bacteria and even mildews when used in a warm and humid environment. The air purification system of the drum washing machine mainly comprises a first air duct 12, a second air duct 14 and a fan 23 which are additionally arranged on the frame of the drum washing machine. The first air duct 12 is disposed at one side of the drum washing machine, and along the air flowing direction, the first air duct 12 has a first air inlet 30 and a first air supply outlet 16, the first air inlet 30 is communicated with the air inlet through hole 13, the first air supply outlet 16 is communicated with the first air inlet 30, and the first air supply outlet 16 extends into the inner drum 10 from top to bottom. Correspondingly, the second air duct 14 is disposed at the other side of the drum washing machine, and along the air flowing direction, the second air duct 14 has a second air inlet 22 and a second air supply outlet 31, the second air inlet 22 is communicated with the inner drum 10, the second air supply outlet 31 is communicated with the second air inlet 22, and the second air supply outlet 31 is communicated with the air exhaust through hole 15. The blower 23 is disposed between the second air inlet 22 and the second air outlet 31. The first air supply outlet 16 extending into the inner barrel 10 from top to bottom and the second air inlet 22 communicated with the inner barrel 10 are integrally positioned at the top end of the inner barrel 10 or near the top end of the inner barrel 10, the distance that the first air supply outlet 16 extends into the inner barrel 10 is smaller than the distance between the liquid level in the inner barrel 10 and the top end of the inner barrel 10, so that a height difference is ensured between the first air supply outlet 16 and the second air inlet 22 and washing water, the washing water is prevented from overflowing from the first air supply outlet 16 or the second air inlet 22, and further, due to overflow, the bacteria are bred by soaking. According to the air purification system of the drum washing machine, the air circulation system which can be connected with the outside is additionally arranged on the inner drum 10 which works in a sealing mode, so that air circulation between the inner drum 10 and the environment is realized, air with high humidity is taken away, peculiar smell in the inner drum 10 is avoided, and the inner drum 10 is ensured to be dry. The first air duct 12 and the second air duct 14 are independent parts, so that a balance system that air enters from one side of the drum washing machine and is discharged from the other side of the drum washing machine can be realized, a fan 23 serving as a single power source is utilized to enable fan blades to rotate to form air circulation, and air flows into the inner barrel 10 to form convection under the action of the pressure of the inner barrel and the outer barrel, so that the high efficiency and the low energy consumption are realized. The first duct 12 and the second duct 14 are installed at the top side or the periphery of the inner tub 10, and naturally form a height difference with the washing water, which can effectively prevent the washing water from overflowing.
Wherein, the air inlet through hole 13 is provided with at least one. In a preferred mode, the air inlet through hole 13 is formed on the front panel 26 of the drum washing machine, and the air outlet through hole 15 is formed on the back panel of the drum washing machine. Optionally, the air inlet through hole 13 is formed in a first side wall of the drum washing machine, and the air outlet through hole 15 is formed in a second side wall of the drum washing machine; or the air inlet through hole 13 and the air outlet through hole 15 are respectively arranged on the top wall of the drum washing machine.
In an alternative way, a switch (not shown) can be added to the back plate of the drum washing machine, and the user can turn on the purification system manually, i.e. the fan 23 is turned on by the switch. A humidity sensor may be disposed in the inner tub 10 to automatically start the blower 23 when the humidity exceeds a predetermined threshold value in a non-operating state of the drum washing machine.
In order to ensure the sealing in the normal working condition of the inner cylinder 10, as shown in fig. 2, the first air duct 12 includes an air induction section 17. The first air inlet 30 is formed at one end of the induced draft section 17, and the other end of the induced draft section 17 is provided with the sealing member 18. The sealing element 18 is pivotally connected to the upper part of the inducer 17. When the air purification system of the drum washing machine is in a non-working state, namely the fan 23 does not work, the sealing element 18 is positioned in the induced draft section 17 to ensure that the inner drum 10 is sealed, and normal washing, rinsing, dewatering or drying processes can be carried out. When the air purification system of the drum washing machine is in an operating state, that is, when the fan 23 is in operation, because the inner drum 10 is in a sealed state, air in the inner drum 10 is reduced under the action of the fan 23 due to the drainage function of the fan 23, and further the sealing element 18 is triggered to be opened by external force, as shown in fig. 2. In this state, air can enter the inner tub 10 from the air inlet hole 13 of the front panel 26, and air pressure balance is maintained, thereby achieving air circulation. The sealing element 18 is preferably made of an elastic material and is reset under the action of gravity after the blower 23 has stopped operating. To achieve a precise return, a counterweight can also be provided in the sealing element 18. Or a magnetic element is arranged at the upper part of the induced draft section 17, a magnetic element with opposite magnetism is arranged in the sealing element 18, and the resetting is realized under the action of magnetic force.
In the design of the air path, the first air duct 12 has a first drainage cavity. The first drainage lumen comprises a first horizontally extending section 31 and a first vertically extending section 19. The first horizontally extending section 31 has a diameter-variable portion 32, and the diameter of the diameter-variable portion 32 is gradually increased in the air flow direction. The air induction section 17 is connected with the first horizontal extension section 31, and the sealing element 18 is arranged at the connection position of the air induction section 17 and the first horizontal extension section 31. In this way, more air can flow into the inner barrel 10 via the inducer 17. The first drainage cavity further comprises a first vertically extending section 19, the first vertically extending section 19 is communicated with the first horizontally extending section 31, and the first air supply outlet 16 is formed at the tail end of the first vertically extending section 19. As shown in fig. 3, the second air duct 14 includes a second air-guiding chamber. The second drainage cavity comprises a second vertical extension section 24, the second vertical extension section 24 extends along the vertical direction, and the second air inlet 22 is formed at the initial end of the second vertical extension section 24. And a second horizontally extending section 33, the second horizontally extending section 33 communicating with the second vertically extending section 24, the second blowing port 31 being formed at the end of the second horizontally extending section 33. The fan 23 is disposed in the second horizontally extending section 33. In order to achieve smooth air flow, the first drainage chamber is preferably surrounded by an integrally formed first drainage chamber wall. The second drainage cavity is enclosed by the integrally formed second drainage cavity wall.
The overall industrial design of the drum washing machine is an important factor for the user to select a product. The air inlet through hole 13 is arranged on the front panel 26 of the drum washing machine. The air inlet through holes 13 can be distributed in various ways to match with different door bodies 25. As shown in fig. 4, in the first distribution mode, in order to match with the door 25 protruding from the front panel 26 of the drum washing machine, there are a plurality of intake through holes 13, the intake through holes 13 are located above the door 25 protruding from the front panel 26 of the drum washing machine, and the intake through holes 13 are uniformly arranged and distributed along the outer edge of the door 25. As shown in fig. 5, in the second distribution mode, a plurality of air inlet holes 13 are opened to match with the door 25 recessed in the front panel 26 of the drum washing machine, and the plurality of air inlet holes 13 are located above the door 25 recessed in the front panel 26 of the drum washing machine. The front panel 26 of the drum washing machine has a transition connection part 34, and a plurality of air inlet through holes 13 are uniformly arranged and distributed along the edge of the transition connection part 34. In this way, the transitional connecting portion 34 is in a ring shape when viewed from the front, and the plurality of air inlet through holes 13 may be distributed along the inner side of the outer edge of the transitional connecting portion 34 (as shown in fig. 5) or along the outer side of the inner edge of the transitional connecting portion 34. As shown in FIG. 5, in the third distribution mode, a plurality of air inlet holes 13 are arranged in groups, a plurality of groups of air inlet holes 13 are symmetrically arranged at the corners of the front panel 26 of the drum washing machine, and each group of air inlet holes 13 are uniformly and annularly arranged. The air inlet through hole 13 is preferably designed to have a small hole diameter, so that the influence of the air inlet through hole on the overall appearance of the drum washing machine can be reduced to the minimum extent.
Another aspect of the present invention provides a drum washing machine, as shown in fig. 1, including: a housing 1, the housing 1 having a front panel 26 and a back panel; an outer cylinder provided in the housing 1; an inner cylinder 10 in which the inner cylinder 10 is rotatably provided; and a door provided on the front panel 26 of the case 1. At least one air inlet through hole 13 is arranged on the front panel 26 of the drum washing machine, and an air exhaust through hole 15 is arranged on the back panel. The first air duct 12, the second air duct 14 and the fan 23 are additionally arranged on the frame of the drum washing machine. For convenience of description, the side provided with the door 25 is defined as a front side, the side facing away from the door 25 is defined as a rear side, the first air duct 12 is disposed at the front side of the drum washing machine, and along the air flowing direction, the first air duct 12 has a first air inlet 30 and a first air supply outlet 16, the first air inlet 30 is communicated with the air inlet through hole 13, the first air supply outlet 16 is communicated with the first air inlet 30, and the first air supply outlet 16 extends into the inner drum 10 from top to bottom. Correspondingly, the second air duct 14 is disposed at the rear side of the drum washing machine, and along the air flowing direction, the second air duct 14 has a second air inlet 22 and a second air supply outlet 31, the second air inlet 22 is communicated with the inner drum 10, the second air supply outlet 31 is communicated with the second air inlet 22, and the second air supply outlet 31 is communicated with the air exhaust through hole 15. The blower 23 is disposed between the second air inlet 22 and the second air outlet 31. The first air supply outlet 16 extending into the inner barrel 10 from top to bottom and the second air inlet 22 communicated with the inner barrel 10 are integrally positioned at the top end of the inner barrel 10 or near the top end of the inner barrel 10, the distance that the first air supply outlet 16 extends into the inner barrel 10 is smaller than the distance between the liquid level in the inner barrel 10 and the top end of the inner barrel 10, so that the height difference between the first air supply outlet 16 and the washing water and the height difference between the second air inlet 22 and the washing water are ensured, the washing water is prevented from overflowing from the first air supply outlet 16 or the second air inlet 22, and the washing water is soaked by the easy water to breed bacteria. According to the air purification system of the drum washing machine, the air circulation system which can be connected with the outside is additionally arranged on the inner drum 10 which works in a sealing mode, so that air circulation between the inner drum 10 and the environment is realized, air with high humidity is taken away, peculiar smell in the inner drum 10 is avoided, and the inner drum 10 is ensured to be dry. The first air duct 12 and the second air duct 14 are independent parts, so that a balance system that air enters from one side of the drum washing machine and is discharged from the other side of the drum washing machine can be realized, a fan 23 serving as a single power source is utilized to enable fan blades to rotate to form air circulation, and air flows into the inner barrel 10 to form convection under the action of the pressure of the inner barrel and the outer barrel, so that the high efficiency and the low energy consumption are realized. The first duct 12 and the second duct 14 are installed at the top side or the periphery of the inner tub 10, and naturally form a height difference with the washing water, which can effectively prevent the washing water from overflowing.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. An air purification system of a drum washing machine, comprising:
a first air duct having, in an air flow direction:
the first air inlet is communicated with the air inlet through hole; and
the first air supply outlet is communicated with the first air inlet and extends into the inner barrel from top to bottom;
a second air duct having, in an air flow direction:
the second air inlet is communicated with the inner cylinder;
the second air supply outlet is communicated with the second air inlet, and the second air supply outlet is communicated with the air exhaust through hole; and
and the fan is arranged between the second air inlet and the second air supply outlet.
2. The air purification system of a drum washing machine according to claim 1,
at least one air inlet through hole is arranged; the air inlet through hole is formed in the front panel of the drum washing machine, and the air outlet through hole is formed in the back panel of the drum washing machine; or
The air inlet through hole is formed in the first side wall of the drum washing machine, and the air outlet through hole is formed in the second side wall of the drum washing machine; or
The air inlet through hole and the air outlet through hole are respectively arranged on the top wall of the drum washing machine.
3. The air purification system of a drum washing machine according to claim 2,
the first air duct includes:
the first air inlet is formed at one end of the air inducing section, a sealing element is arranged at the other end of the air inducing section, and the sealing element is in pivot connection with the upper portion of the air inducing section.
4. An air cleaning system of a drum washing machine according to claim 3,
the first air duct includes:
a first drainage cavity, the first drainage cavity comprising:
a first horizontally extending section including a diameter-varying portion; the diameter of the variable-diameter part is gradually increased along the air flowing direction, the induced air section is connected with the first horizontal extension section, and the sealing element is arranged at the connection position of the induced air section and the first horizontal extension section; and
the first vertical extension section is communicated with the first horizontal extension section, and the first air supply outlet is formed at the tail end of the first vertical extension section.
5. An air cleaning system of a drum washing machine according to claim 4,
the second air duct includes:
a second drainage cavity, the second drainage cavity comprising:
the second vertical extension section extends along the vertical direction, and the second air inlet is formed at the initial end of the second vertical extension section; and
the second horizontal extension section is communicated with the second vertical extension section, and the second air supply outlet is formed at the tail end of the second horizontal extension section;
wherein the fan is disposed in the second horizontally extending section.
6. An air cleaning system of a drum washing machine according to claim 5,
the first drainage cavity is formed by enclosing a first drainage cavity wall which is integrally formed, and the second drainage cavity is formed by enclosing a second drainage cavity wall which is integrally formed.
7. An air cleaning system of a drum washing machine according to any one of claims 1 to 6,
the air inlet through holes are formed in multiple numbers, the air inlet through holes are located above a door body protruding out of a front panel of the drum washing machine, and the air inlet through holes are evenly arranged and distributed along the outer edge of the door body.
8. An air cleaning system of a drum washing machine according to any one of claims 1 to 6,
a plurality of air inlet through holes are formed; the plurality of air inlet through holes are positioned above the door body recessed in the front panel of the drum washing machine; the front panel of the drum washing machine is provided with a transition connecting part, and a plurality of air inlet through holes are uniformly arranged and distributed along the edge of the transition connecting part.
9. An air cleaning system of a drum washing machine according to any one of claims 1 to 6,
the air inlet through holes are formed in a plurality of groups and are arranged in groups, the air inlet through holes are formed in the corners of the front panel of the drum washing machine respectively, and the air inlet through holes in each group are uniformly and annularly arranged.
10. A drum washing machine comprising:
a housing having a front panel and a back panel;
an outer barrel disposed within the housing;
an inner barrel rotatably disposed within the outer barrel;
a door provided on a front panel of the case;
it is characterized in that the preparation method is characterized in that,
the front panel is provided with at least one air inlet through hole, and the back plate is provided with an air exhaust through hole;
the drum washing machine further includes:
a first air duct having, in an air flow direction:
the first air inlet is communicated with the air inlet through hole; and
the first air supply outlet is communicated with the first air inlet and extends into the inner barrel from top to bottom;
a second air duct having, in an air flow direction:
the second air inlet is communicated with the inner cylinder;
the second air supply outlet is communicated with the second air inlet, and the second air supply outlet is communicated with the air exhaust through hole; and
and the fan is arranged between the second air inlet and the second air supply outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120152991.0U CN215405128U (en) | 2021-01-20 | 2021-01-20 | Air purification system of drum washing machine and drum washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120152991.0U CN215405128U (en) | 2021-01-20 | 2021-01-20 | Air purification system of drum washing machine and drum washing machine |
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| CN215405128U true CN215405128U (en) | 2022-01-04 |
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| CN202120152991.0U Active CN215405128U (en) | 2021-01-20 | 2021-01-20 | Air purification system of drum washing machine and drum washing machine |
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