WO2023020267A1

WO2023020267A1 - Dual-drum clothes treatment apparatus

Info

Publication number: WO2023020267A1
Application number: PCT/CN2022/109410
Authority: WO
Inventors: 刘凯; 许升; 吕艳芬
Original assignee: 青岛海尔洗涤电器有限公司; 海尔智家股份有限公司
Priority date: 2021-08-20
Filing date: 2022-08-01
Publication date: 2023-02-23

Abstract

A dual-drum clothes treatment apparatus, a laundry apparatus and a control method therefor, which are aimed at solving the problems of bacteria being prone to breeding after washing clothes in a laundering drum assembly of an existing clothes treatment apparatus in which laundering and drying are performed in different sections, and a second wash performed by a user being thus affected. The dual-drum clothes treatment apparatus comprises a drying drum (2), a laundering drum assembly, a drying air duct (3), a fan (4) and a valve structure, wherein the fan (4) is arranged in the drying air duct (3), the drying air duct (3) is in communication with the drying drum (2); the laundering drum assembly is in communication with the drying drum (2) or is in communication with a portion of the drying air duct (3) located downstream of the fan (4) via an air intake pipeline (7); the laundering drum assembly is in communication with the outside via an air output pipeline (8); and the valve structure is configured to be capable of opening and closing only the air intake pipeline (7), or opening and closing both the air intake pipeline (7) and the air output pipeline (8). The device can avoid the breeding of bacteria caused by residual water inside the laundering drum assembly, and can also prevent a second wash performed by the user from being affected, thereby improving the user experience, and greatly simplifying the product structure.

Description

Double-tube laundry treatment equipment

technical field

The invention relates to the technical field of clothes treatment, and specifically provides a double-tube clothes treatment device.

Background technique

Double-tube laundry treatment equipment is a laundry treatment equipment that can wash, rinse, dehydrate and/or dry clothes and can achieve separate treatment of clothes. Some double-tube laundry treatment equipment also adds air washing, disinfection, sterilization, There are many types of double-drum laundry processing equipment, such as double-drum washing machines, double-drum washing and drying machines, drum pulsator composite machines, and drying and washing composite machines.

Take the combined drying and washing machine as an example. It includes a drying drum capable of drying, as well as a washing drum capable of washing, rinsing and dehydration. When drying, the washing drum can wash the next wave of clothes, so as to realize the partition processing of clothes and save the user's time.

When washing, first inject a certain amount of water into the washing tub of the drying and washing machine, and then the inner tub drives the clothes to turn over to realize the washing of the clothes. It imitates the principle design of the hammer hitting the clothes. After washing, the outer cylinder and the window mat connected to the outer cylinder are damp, that is, there is residual water on the inner wall, and bacteria are easy to breed after long-term use. If you just open the door glass and let the outer cylinder and window mat dry naturally, the effect will be It is very limited, and the window pad contains folds, which is not conducive to the escape of water vapor. When the user uses the tube for the second time, the bacteria and dirt on the inner wall of the outer tube and the window pad can easily cause secondary pollution to the clothes, seriously affecting Its washing effect makes the user experience not good.

Therefore, there is a need in the art for a new double-tube laundry processing device to solve the above problems.

Contents of the invention

The present invention aims to solve the above-mentioned technical problem, that is, to solve the problem that the laundry drum assembly of the existing laundry processing equipment with zonal treatment for washing and drying clothes is easy to breed bacteria after washing, and will affect the user's secondary washing.

In a first aspect, the present invention provides a double-tube laundry processing device, which includes a drying tube, a washing tube assembly, a drying air duct, a fan and a valve structure, and the fan is arranged on the drying On the air duct, the drying air duct communicates with the drying drum, the washing drum assembly and the drying drum or the washing drum assembly and the part of the drying air duct located on the downstream side of the fan The washing tub assembly communicates with the outside world through the air inlet pipeline, and the valve structure is configured to open and close only the air inlet pipeline or to connect the air inlet pipeline and the outlet air pipeline. The air ducts are all open and closed.

In the preferred technical solution of the above double-tube laundry processing equipment, in the case where the valve structure is configured to only open and close the air inlet pipeline, the valve structure is an inlet valve arranged on the air inlet pipeline. Air on-off valve, the air outlet pipeline is always in communication with the outside world.

In the preferred technical solution of the above-mentioned double-tube laundry processing equipment, when the valve structure is configured to be able to open and close both the air inlet pipeline and the air outlet pipeline, the valve structure includes The air inlet on-off valve on the air inlet pipeline and the air outlet on-off valve arranged on the air outlet pipeline, the air inlet on-off valve and the outlet air on-off valve are independent of each other.

In the preferred technical solution of the above double-tube laundry processing equipment, when the valve structure is configured to be able to open and close both the air inlet pipeline and the air outlet pipeline, the valve structure includes a blocking mechanism and A valve housing with an air inlet chamber and an air outlet chamber, the air inlet chamber and the air outlet chamber are set independently of each other, the air inlet chamber is connected to the air inlet pipeline, and the air outlet chamber is connected to the On the air outlet pipeline, the blocking mechanism is configured to block the air inlet pipeline and the air outlet pipeline at the same time.

In the preferred technical solution of the above-mentioned double-tube laundry processing equipment, the barrier mechanism includes a driving motor, a first barrier and a second barrier, and the output shaft of the drive motor is simultaneously connected with the first barrier and the second barrier. Two barriers are connected, the first barrier is set in the air inlet cavity, the second barrier is set in the air outlet cavity, and the driving motor can drive the first barrier and the The second blocking member moves simultaneously to block the air inlet chamber and the air outlet chamber.

In the preferred technical solution of the above double-tube laundry processing equipment, the drive motor is connected to the transmission shaft, the first barrier is a first barrier, the second barrier is a second barrier, and the first Both the blocking plate and the second blocking plate are arranged on the transmission shaft, and the driving motor can drive the transmission shaft to rotate so that the first blocking plate and the second blocking plate rotate simultaneously.

In the preferred technical solution of the above double-tube laundry processing equipment, the transmission shaft passes through the air outlet chamber and the air inlet chamber sequentially from one side of the valve housing from the outside, and the transmission shaft is rotatably arranged on A partition plate separating the air inlet chamber from the air outlet chamber.

In the preferred technical solution of the above double-tube laundry processing equipment, the air outlet of the air inlet chamber and the air inlet of the air outlet chamber are located on the same side of the valve housing, and the driving motor can drive the first barrier The first blocking member and the second blocking member move simultaneously so that the first blocking member covers the air outlet of the air inlet chamber and the second blocking member covers the air inlet of the air outlet chamber.

In the preferred technical solution of the above double-tube laundry processing device, an opening communicating with the outside is provided on the front panel of the cabinet of the double-tube laundry processing device, and the air outlet pipeline communicates with the opening.

In the preferred technical solution of the above-mentioned double-tube laundry processing equipment, the washing tub assembly includes a connected outer tub and a window pad, the air inlet pipeline communicates with the window pad, and the air outlet pipeline communicates with the outer tub. cylinder connected.

In the case of adopting the above technical solution, the present invention can use the drying gas to dry the clothes in the drying drum to air-dry the washing drum assembly, so that after the washing machine finishes the washing process, the fan can be used to The drying gas enters the air inlet pipe, and then enters the washing tub assembly to dry the inside of the washing tub assembly, and finally is discharged from the air outlet pipe, so as to avoid bacteria breeding in the washing tub assembly due to residual water, and also Avoid affecting the user's secondary washing, improve the user experience, and use the original drying structure to dry the laundry drum, which can greatly simplify the structure of the clothes processing equipment.

Further, the air inlet of the washing tub assembly can be realized through a separate air inlet on-off valve, so that while the structure is simplified, the drying tub can dry the clothes and the laundry tub assembly needs to wash the clothes. The air on-off valve is closed, and the air inlet on-off valve is opened when the drying drum is drying the clothes and the washing drum assembly does not need to wash the clothes, so that the drying gas can be used to dry the washing drum assembly at high temperature, and the difference can be improved. Flexibility in mode switching.

Further, setting the air inlet on-off valve in the air inlet pipeline and the outlet air on-off valve in the air outlet pipeline can not only realize the air intake of the washing tub assembly, that is, the clothes can be dried and washed in the drying tub. When the drum assembly needs to wash the clothes, the air inlet on-off valve is closed, and when the drying drum is drying the clothes and the washing drum assembly does not need to wash the clothes, the air inlet on-off valve is opened, so that the drying gas can be used to The washing drum assembly is dried at high temperature, which improves the flexibility of switching between different modes, and the air outlet valve can be opened and closed to selectively connect the air outlet pipeline with the outside world, so that the washing drum assembly does not need to be dried at high temperature At this time, the air outlet pipeline can be blocked from the outside world so as to prevent the dirt from the outside world from entering the washing tub assembly.

Further, the blocking mechanism can not only realize the simultaneous opening and closing of the air inlet pipeline and the air outlet pipeline, so that when the drying drum is drying the clothes and the laundry tub assembly needs to wash the clothes, the air inlet pipeline and the outlet pipe The air pipeline is blocked, and the air inlet on-off valve is opened when the drying drum is drying the clothes and the washing drum assembly does not need to wash the clothes, so that the drying gas can be used to dry the washing drum assembly at high temperature, improving the efficiency of different modes. The flexibility of switching can prevent external dirt from entering the washing tub assembly, and the structure is simple, which is beneficial to the overall structural layout of the product and reduces the complexity of product design.

Further, the driving motor can drive the first barrier to block the air inlet cavity, and at the same time drive the second barrier to block the air outlet cavity, thereby realizing the simultaneous blocking of the air inlet pipeline and the air outlet pipeline, that is, by using the driving motor as the driving source To realize the simultaneous blocking of the air inlet pipeline and the air outlet pipeline, the overall structure is simple, which is beneficial to the overall structural layout of the product and reduces the complexity of product design.

Further, the driving motor can drive the transmission shaft to rotate, thereby realizing the rotation of the first baffle plate and the second baffle plate, so as to realize the simultaneous blocking of the air inlet cavity and the air outlet cavity. And the simultaneous blocking of the air outlet pipeline, and the use of rotation driving can reduce the space occupied by the valve structure as much as possible, which is more conducive to the layout design of the overall space structure of the double-tube laundry processing equipment, and the structure is simple and easy to manufacture.

Further, the drive motor is arranged outside the valve casing, so that the transmission shaft extends into the valve casing to drive the first baffle plate and the second baffle plate to rotate. Through such an arrangement, a structural foundation is provided for the structural installation of the drive motor, and the drive The arrangement of the motor outside the valve housing will not affect the flow of air, and the drive motor will not be covered by humid air, which further improves the safety of the double-tube laundry processing equipment.

In a second aspect, the present invention provides a laundry device, which includes a drum assembly, a valve assembly, and a fan, the valve assembly includes a blocking mechanism and a valve housing with an air inlet chamber and an air outlet chamber independently arranged, so The air inlet chamber communicates with an air inlet pipeline connecting the outside world with the cylinder assembly, and the air outlet chamber communicates with an air outlet pipeline connecting the outside world with the cylinder assembly, and the fan is set to be able to Air is introduced into the barrel assembly from the air inlet pipeline, and the air inlet chamber and/or the air outlet chamber are provided with air vents communicating with the outside world,

When the blocking mechanism blocks the air inlet pipeline and the air outlet pipeline from the outside world, the air vent communicates with the barrel assembly,

When the blocking mechanism blocks the ventilation port from the cylinder assembly, the air inlet pipeline and the air outlet pipeline communicate with the outside world.

In the preferred technical solution of the above-mentioned laundry equipment, the air vent is arranged on the air outlet chamber, the fan communicates with the air inlet of the air inlet chamber, and the air outlet of the air inlet chamber passes through the air inlet a pipeline communicates with the barrel assembly,

The blocking mechanism is configured to block the air vent so that the air inlet and the air outlet of the air outlet cavity are communicated and the air inlet and the air outlet of the air inlet cavity are communicated,

The blocking mechanism is also configured to block the air outlet of the air outlet chamber so that the air inlet of the air outlet chamber communicates with the air vent and block the air inlet and air outlet of the air inlet chamber.

In the preferred technical solution of the above laundry equipment, the air inlet and outlet of the air outlet chamber are located on opposite sides of the valve housing, and the air outlet of the air outlet chamber and the air outlet of the air inlet chamber are located on the opposite sides of the valve housing. On the same side of the valve casing, the air inlet and the air outlet of the air outlet chamber are located on the adjacent side of the valve casing.

In the preferred technical solution of the above laundry equipment, the blocking mechanism includes a rotating motor, a first blocking plate and a second blocking plate, the first blocking plate is located in the air outlet chamber, and the second blocking plate is located in the In the air inlet cavity, the output shaft of the rotating motor is connected to the transmission shaft, the first baffle plate and the second baffle plate are both arranged on the transmission shaft, and the rotating motor can drive the transmission shaft Rotate to rotate the first baffle plate and the second baffle plate together.

In the preferred technical solution of the above-mentioned laundry equipment, a first sealing structure and a second sealing structure are respectively provided on the two board surfaces of the first blocking plate, and the first blocking plate can pass through the first sealing structure to The air outlet of the air outlet cavity is sealed and the air vent is sealed by the second sealing structure.

In the preferred technical solution of the above laundry equipment, the blocking mechanism includes a first rotating motor, a first blocking plate and an opening and closing valve, the first blocking plate is arranged in the air outlet cavity, and the first rotating motor The output shaft is connected with the first baffle plate to drive the first baffle plate to rotate, and the on-off valve is arranged in the air inlet cavity or the air inlet pipeline.

In a preferred technical solution of the above-mentioned laundry equipment, the on-off valve includes a second rotating motor and a second baffle plate, the second baffle plate is arranged in the air inlet chamber or the air inlet pipeline, and the The output shaft of the second rotating motor is connected with the second blocking plate to drive the second blocking plate to rotate.

In a preferred technical solution of the above washing machine, the on-off valve is a solenoid valve.

In a preferred technical solution of the above washing machine, the tub assembly includes a connected outer tub and a window pad, the air inlet pipeline communicates with the window pad, and the air outlet pipeline communicates with the outer tub.

In the case of adopting the above technical solution, the present invention can start the fan when drying the cylinder assembly, so that the outside air enters the cylinder assembly from the air inlet pipeline, and then discharges the air through the air outlet pipeline, thereby The humid air in the drum assembly is taken out of the drum assembly, so as to realize the air drying of the drum assembly, avoid the breeding of bacteria in the drum assembly, and avoid affecting the user's secondary washing. When the clothes need to be washed, the air inlet pipe and The air outlet pipeline is isolated from the outside world to prevent external dirt from entering the drum assembly. At this time, the air vent can realize the function of balancing the internal and external air pressure of the drum assembly, avoid pressure imbalance of the drum assembly, and improve the service life of the laundry equipment.

Further, the rotation of the transmission shaft can be driven by the rotating motor to realize the rotation of the first baffle plate and the second baffle plate, thereby realizing the simultaneous isolation of the air inlet pipeline and the air outlet pipeline from the outside world. Reducing the space that the barrier mechanism needs to occupy is more conducive to the layout design of the overall space structure of the washing machine, and the structure is simple and easy to manufacture.

Further, in the air outlet cavity, the barrier structure that blocks the air outlet and air vent of the air outlet cavity and the barrier structure in the air inlet structure are set independently of each other, so that the independent control of the air outlet part and the air inlet part can be realized, which is a great contribution to the laundry equipment. design offers more flexibility.

Further, the first sealing structure and the second sealing structure on the first barrier plate can realize the sealing when the air outlet of the air outlet cavity and the air vent are switched and blocked, prevent air leakage, improve the sealing performance of the laundry equipment, and further improve the airtightness of the laundry equipment. security.

Furthermore, the air inlet pipeline is connected with the window pad, and the air outlet pipeline is connected with the outer cylinder, so that the outside air can enter from the window cushion, firstly dry the window cushion, then dry the outer cylinder, and finally the humid air passes through the air outlet. The pipeline is discharged, so that the outer cylinder and the window pad can be air-dried at the same time, avoiding secondary pollution caused by the user's secondary cleaning of the clothes, which affects the user's experience.

In a third aspect, the present invention provides a laundry device, which includes a cylinder assembly, a fan, an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline communicates with the outside world and the other end passes through a first branch and the second branch communicate with the cylinder assembly, the air outlet pipeline communicates the cylinder assembly with the outside world, the fan is arranged on the air inlet pipeline and/or the air outlet pipeline, the A first on-off valve and an auxiliary agent adding member are sequentially arranged on the second branch along the air flow direction.

In a preferred technical solution of the above washing machine, the auxiliary agent adding member includes a box communicating with the second branch road and a shutter for opening and closing the box.

In the preferred technical solution of the above-mentioned laundry equipment, the box body is arranged on the inner side wall of the front panel of the box body of the laundry equipment, and an auxiliary agent injection port communicating with the box body is formed on the front panel, The opening and closing member is a box cover that is pivotally connected or slidably connected with the auxiliary agent injection port.

In a preferred technical solution of the above-mentioned laundry equipment, the laundry equipment further includes a valve assembly, and the valve assembly can control the opening and closing of the air inlet pipeline and the air outlet pipeline.

In the preferred technical solution of the above-mentioned laundry equipment, the valve assembly includes a second on-off valve arranged on the air inlet pipeline for controlling the on-off of the air inlet pipeline and a second on-off valve arranged on the air outlet pipeline for The third on-off valve is used to control the on-off of the air outlet pipeline.

In the preferred technical solution of the above-mentioned laundry equipment, the valve assembly includes a valve casing with an air inlet chamber and an air outlet chamber independent of each other and a blocking mechanism, the air inlet chamber communicates with the air inlet pipeline, and the air outlet chamber The air chamber is connected to the air outlet pipeline, and the blocking mechanism is configured to block the air inlet chamber and the air outlet chamber at the same time.

In a preferred technical solution of the above-mentioned laundry equipment, the barrier mechanism includes a driving motor, a first barrier and a second barrier, and the output shaft of the drive motor is connected to the first barrier and the second barrier at the same time. connection, the first barrier is set in the air inlet cavity, the second barrier is set in the air outlet cavity, and the driving motor can drive the first barrier and the second barrier The components move simultaneously to block the air inlet chamber and the air outlet chamber.

In the preferred technical solution of the above washing machine, the air outlet of the air inlet chamber and the air inlet of the air outlet chamber are located on the same side of the valve housing, and the driving motor can drive the first barrier and the The second barrier moves simultaneously so that the first barrier covers the air outlet of the air inlet chamber and the second barrier covers the air inlet of the air outlet chamber.

In a preferred technical solution of the above-mentioned laundry equipment, the cylinder assembly includes a connected outer cylinder and a window pad, both the first branch and the second branch are in communication with the window pad, and the air outlet pipeline communicate with the outer cylinder.

In the fourth aspect, the present invention also provides a method for controlling laundry equipment. The laundry equipment includes a cylinder assembly, a fan, an air inlet pipeline and an air outlet pipeline. One end of the air inlet pipeline communicates with the outside and the other end The cylinder assembly is communicated with the cylinder assembly through the first branch and the second branch, the air outlet pipeline communicates the cylinder assembly with the outside world, and the fan is arranged on the air inlet pipeline and/or the air outlet On the pipeline, a first on-off valve and an auxiliary agent adding member are sequentially arranged on the second branch along the air flow direction,

The control methods include:

In the case that the laundry equipment executes the fresh air program, acquire the input auxiliary laundry processing instruction;

If an input auxiliary laundry treatment instruction is obtained, the fan and the first on-off valve are opened.

In the case of adopting the above technical solution, the present invention can turn on the fan after the laundry is finished and introduce the outside air into the cylinder assembly through the air inlet pipeline, so that the cylinder assembly can be air-dried when there is no clothes, and the internal air of the cylinder assembly can be avoided. Residual water will breed bacteria, and avoid affecting the user's secondary washing, or air-dry and deodorize the clothes when there are clothes, so as to prevent the clothes from getting smelly after the user forgets to take them. In addition, it can also add fragrance and sterilize the clothes when needed Aromatherapy, bactericidal particles, etc. are placed in the auxiliary agent adding components during special treatment, and the aromatherapy substances and bactericidal substances are brought into the tube assembly by the action of air flow, and the clothes in the tube assembly are treated with aromatherapy and sterilization. , and because the treatment of fragrance enhancement and sterilization only needs to place the corresponding material particles into the auxiliary agent adding components, the product structure is simpler, and there is no need to complicate the structure of the laundry equipment due to too many functions, and the timing of ventilation can be Flexible control, such as adding fragrance to clothes, can be carried out after the laundry is completed, without the use of a laundry treatment agent delivery box, to avoid adding fragrance enhancers during the washing operation and affecting the fragrance retention of clothes, improve the special treatment effect on clothes, and improve user experience.

Further, by arranging the box body on the inner side wall of the front panel of the box body, and then opening and closing the box body through the box cover, it is convenient for the user to add auxiliary agent in front of the laundry equipment, simplifying the user's operation, and further improving the user experience.

Furthermore, the valve assembly can control the on-off of the air inlet pipeline and the air outlet pipeline to prevent external dirt from entering the drum assembly, ensure a clean clothes processing environment in the drum assembly, and further improve user experience.

Further, the driving motor can drive the transmission shaft to rotate, thereby realizing the rotation of the first baffle plate and the second baffle plate, so as to realize the simultaneous blocking of the air inlet cavity and the air outlet cavity. And the simultaneous blocking of the air outlet pipeline, and the use of the rotary drive method can minimize the space that the valve assembly needs to occupy, which is more conducive to the layout design of the overall space structure of the washing machine, and the structure is simple and easy to manufacture.

Further, driving the first baffle plate by driving the motor can cover the air outlet of the air inlet chamber so as to realize the barrier between the air inlet chamber and the tube assembly, and at the same time enable the second baffle plate to cover the air inlet of the air outlet chamber to realize the air outlet. chamber and barrel assembly, and since the air outlet of the air inlet chamber and the air inlet of the air outlet chamber are covered respectively, even if foam and/or steam are generated during the washing process of the laundry machine, they will not enter the air inlet chamber and the air outlet. In the air chamber, that is, it will not enter the valve housing, which can not only protect the valve assembly from foam and water vapor, but also further improve the user experience.

Further, the first branch and the second branch are both connected to the window pad, and the air outlet pipeline is connected to the outer cylinder, so that the outside air can enter from the window pad, and the window pad is air-dried first, and then the outer cylinder is air-dried. Finally, the humid air is discharged through the air outlet pipe, so that the outer tube and the window pad can be air-dried at the same time, avoiding secondary pollution caused by the user's secondary cleaning of the clothes and affecting the user's experience.

Description of drawings

Describe preferred embodiment of the present invention below in conjunction with accompanying drawing, in the accompanying drawing:

Figure 1 is a schematic structural view of an embodiment of a double-tube laundry processing device in Embodiment 1 of the present invention;

Fig. 2 is a schematic structural view of another embodiment of the double-tube laundry processing device in Embodiment 1 of the present invention;

Fig. 3 is a schematic structural diagram of the third embodiment of the valve structure and the air inlet and outlet pipelines of the double-tube laundry processing equipment in Embodiment 1 of the present invention;

Fig. 4 is a structural schematic diagram of Embodiment 3 of the valve structure of the double-tube laundry processing device in Embodiment 1 of the present invention;

5 is a schematic diagram of the overall structure of the drum washing machine in Embodiment 2 of the present invention;

Fig. 6 is a structural schematic diagram of the first embodiment of the fan and valve assembly of the drum washing machine in Embodiment 2 of the present invention;

Fig. 7 is a structural schematic diagram II of the first embodiment of the fan and valve assembly of the drum washing machine in Embodiment 2 of the present invention;

Fig. 8 is a structural schematic diagram III of the first embodiment of the fan and valve assembly of the drum washing machine in Embodiment 2 of the present invention;

Fig. 9 is a structural schematic diagram 4 of the first embodiment of the fan and valve assembly of the drum washing machine in Embodiment 2 of the present invention;

Fig. 10 is a sectional view of A-A of Fig. 9 (under fresh air state);

Figure 11 is a sectional view of A-A of Figure 9 (under the laundry state);

Fig. 12 is a structural schematic diagram of a second embodiment of the fan and valve assembly of the drum washing machine in Embodiment 2 of the present invention;

Fig. 13 is a schematic structural view of an embodiment of the drum washing machine in Embodiment 3 of the present invention;

Fig. 14 is a schematic structural view of another embodiment of the drum washing machine in Embodiment 3 of the present invention;

Fig. 15 is a structural schematic diagram of the first embodiment of the valve assembly in Embodiment 3 of the present invention;

Fig. 16 is a second structural schematic diagram of the valve assembly embodiment in Embodiment 3 of the present invention.

Detailed ways

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

It should be noted that, in the description of the present invention, terms such as "middle", "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are Based on the orientation or positional relationship shown in the drawings, this is only for convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention . In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In addition, it should be noted that in the description of the present invention, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "communication" should be understood in a broad sense, for example, it may be a fixed The connection can also be a detachable connection or an integral connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Example 1

Based on the problems pointed out by the background technology that the laundry drum components of the existing washing and drying clothes processing equipment with separate partitions are prone to breed bacteria after washing, and will affect the user's secondary washing, the present invention provides a double-tube laundry processing equipment, The purpose is to avoid bacteria breeding due to residual water inside the laundry drum assembly, and to avoid affecting the user's secondary washing, improving the user's experience, and using the original drying structure to dry the laundry drum assembly, which can greatly simplify the clothes. The structure of the processing device.

Specifically, as shown in Figures 1 and 2, the double-tube laundry processing equipment of the present invention includes a cabinet 1, a drying tube 2, a washing tube assembly, a drying air duct 3, a fan 4 and a dehumidification heating device (not shown in the figure) Out), the drying cylinder 2, the washing cylinder assembly and the drying air duct 3 are all arranged in the box body 1, the inlet and outlet of the drying air duct 3 are connected with the drying cylinder 2 and form a circulating air path, the fan 4 and The dehumidification and heating devices are all installed in the drying air duct 3, and the fan 4 is activated to guide the air in the drying cylinder 2 to the drying air duct 3, and then circulates back to the drying cylinder 2 after being dehumidified first and then heated by the dehumidification heating device. In order to dry the clothes in the drying cylinder 2, the dehumidification heating device can be a heat pump device. The heat pump device includes an evaporator, a condenser and a compressor connected in sequence to form a refrigerant circulation loop. In the dry air duct 3 and the evaporator is located on the upstream side of the condenser (the relative positional relationship between the evaporator and the condenser is described relative to the direction of air flow in the drying air duct 3 during the drying process), the evaporator is used to cool the air Dehumidification is performed and the condenser is used to heat the air. The dehumidification heating device can also be a combination of condensing fins and electric heating pipes, and the condensing fins and electric heating pipes are all arranged in the drying air duct 3 and the condensing fins are arranged on the upstream side of the electric heating pipes (condensing fins and electric heating pipes The relative positional relationship of the heating pipes is described relative to the air flow direction in the drying air duct 3 during the drying process), the condensing fins dehumidify the air, and the electric heating pipes heat the air. Of course, the dehumidification heating device can also be a semiconductor device, the semiconductor device includes a cold end and a hot end, the semiconductor device is arranged in the drying air duct 3, the cold end dehumidifies the air, and the hot end heats the air. It should be noted that, in the above, the inlet and outlet of the drying air duct 3 are described relative to the air flow direction in the drying air duct 3 during the drying process, that is, the double-tube laundry processing equipment of the present invention performs During the drying process, the air in the drying cylinder 2 is sucked into the drying air duct 3 from the inlet of the drying air duct 3 under the action of the fan 4, and the wet and cold air becomes dry and high temperature after being dehumidified and heated by the dehumidification heating device. The air is sent back to the drying cylinder 2 through the outlet of the drying air duct 3, and the cycle is repeated. The washing tub assembly includes an outer tub 5, an inner tub and a window pad 6, the inner tub is rotatably arranged in the outer tub 5, the window pad 6 is connected to the opening of the outer tub 5, the inner tub can be directly driven to rotate by a direct drive motor, or can be rotated by The motor drives the belt and then drives the inner cylinder to rotate. The outer cylinder 5 is used to contain washing water, and the inner cylinder is used to turn the clothes over. It should be noted that in the present invention, the drying drum 2 and the washing drum assembly can be arranged left and right, and can also be arranged up and down. In the structure shown in Figure 1, the drying drum 2 and the washing drum assembly are arranged up and down and the drying The dry cylinder 2 is located above the washing cylinder assembly. In this case, the upper part of the cabinet 1 is provided with a drying inlet, and the lower part is provided with a washing inlet. The outer cylinder 5 is connected to the washing inlet through a window pad 6, and the window pad 6. Ensure the sealing between the outer cylinder 5 and the washing inlet, the drying inlet is connected to the opening of the drying cylinder 2, and a sealing window gasket can also be arranged between the two. The double-tube laundry processing equipment of the present invention can realize that the drying and washing of clothes are independent of each other, that is, after the laundry tub assembly finishes washing the clothes, the user can take out the clothes from the laundry tub assembly and put them into the drying tub 2 for further drying. Drying, at this time, the washing tub assembly can continue to wash the next wave of laundry, or no longer perform the washing operation of the laundry.

Continuing to refer to Figures 1 and 2, the double-tube laundry processing device of the present invention also includes an air inlet pipeline 7 and an air outlet pipeline 8, as shown in Figure 1, one end of the air inlet pipeline 7 can be directly communicated with the drying cylinder 2 , the other end communicates with the washing tub assembly. After the laundry tub assembly finishes washing, if the user does not need to continue to wash the clothes, the double-tube laundry processing equipment can execute the drying program so that the fan 4 starts, and the air in the drying air duct 3 The hot air enters the drying drum 2, part of the air flowing out from the drying drum 2 enters the washing drum assembly through the air inlet pipeline 7, and the other part continues to return to the drying air duct 3, and passes through the air inlet pipeline 7. The hot air flowing into the washing tub assembly can dry the washing tub assembly, remove the residual water on the outer tub 5 and the window pad 6 after washing, and avoid breeding bacteria and affecting the user's secondary washing. As shown in Figure 2, one end of the air inlet pipeline 7 can also communicate with the part of the drying air duct 3 located on the downstream side of the fan 4, and the other end communicates with the washing tub assembly, and the dehumidification heating device is preferably arranged on the air inlet pipeline. 7 On the upstream side of the connection with the drying air duct 3, after the washing tub assembly finishes washing, if the user does not need to continue washing the clothes, the double-tube laundry processing equipment can execute the drying program so that the fan 4 starts, and the drying air Part of the hot air in the channel 3 enters the drying drum 2, and the other part of the hot air enters the washing drum assembly through the air inlet pipeline 7, and the air entering the drying drum 2 continues to return to the drying air channel 3 , the hot air flowing into the washing tub assembly through the air inlet pipe 7 can realize the drying of the washing tub assembly, remove the residual water on the outer tub 5 and the window pad 6 after the washing is completed, and avoid breeding bacteria and affecting the user's secondary washing. The air outlet pipeline 8 communicates the washing tub assembly with the outside world, so as to ensure that the humid air can be discharged to the outside world through the air outlet pipeline 8 . Preferably, the air inlet pipeline 7 communicates with the window pad 6, and the air outlet pipeline 8 communicates with the outer cylinder 5, that is, the drying gas enters the window cushion 6 first, and then enters the outer cylinder 5, so that the window cushion 6 and the residual water in the outer cylinder 5 are all discharged to the outside world to realize the drying of the window pad 6 and the outer cylinder 5. Of course, the air inlet pipeline 7 and the air outlet pipeline 8 can also be communicated with the outer cylinder 5. A one-way valve that only allows outside air to enter the drying drum 2 can be set on the drying drum 2 to avoid negative pressure in the drying drum 2, that is, when the washing drum assembly is dried, the external air can be added to the drying drum. In the drying cylinder 2, the hot air in the drying cylinder 2 can be prevented from flowing out to the outside through the one-way valve.

The double-tube laundry processing device of the present invention also includes a valve structure, which is configured to open and close only the air inlet pipeline 7 or both the air inlet pipeline 7 and the air outlet pipeline 8 . The preferred implementation of the valve structure of the present invention will be described below in conjunction with three specific implementations.

Implementation Mode 1

When the valve structure is set to open and close only the air inlet pipe 7, the valve structure is an air inlet on-off valve 100 arranged on the air inlet pipe 7, and the air outlet pipe 8 is always in communication with the outside world. It should be noted that the air outlet pipeline 8 is always in communication with the outside world, which means that the air outlet pipeline 8 does not contain any structure that can realize on-off, that is, the air outlet pipeline 8 always maintains a state of communication with the outside world. The air duct 8 is allowed to be composed of one pipe, or a plurality of pipes connected in sequence, and the pipe can be a straight pipe or a bent pipe. The valve structure is an electric valve structure, and the valve structure is electrically connected with the controller of the double-tube laundry processing equipment, and the opening and closing of the valve structure is controlled by the controller. In this embodiment, the air intake on-off valve 100 may be an air intake electromagnetic valve, or a valve plate driven by a rotating motor, that is, the rotating motor drives the valve plate to rotate to open and close the air intake pipeline 7 .

Implementation mode two

As shown in Figures 1 and 2, in the case where the valve structure is set to be able to open and close both the air inlet pipeline 7 and the air outlet pipeline 8, the valve structure includes an air inlet on-off valve arranged on the air inlet pipeline 7 100 and the air outlet on-off valve 200 arranged on the air outlet pipeline 8, the inlet air on-off valve 100 and the outlet air on-off valve 200 are independent of each other. The valve structure is an electric valve structure, and the valve structure is electrically connected with the controller of the double-tube laundry processing equipment, and the opening and closing of the valve structure is controlled by the controller. Wherein, in this embodiment, the air inlet on-off valve 100 and the air outlet on-off valve 200 can be air inlet electromagnetic valve and air outlet electromagnetic valve respectively, or both the inlet air on-off valve 100 and the outlet air on-off valve 200 adopt The combined structure of the rotating motor and the valve plate, that is, the rotating motor in the air inlet pipeline 7 drives the valve plate to rotate to open and close the air inlet pipeline 7, and the rotating motor in the air outlet pipeline 8 drives the valve plate to rotate to open and close the air outlet Pipeline 8. The controller can control the opening and closing of the air inlet on-off valve 100 and the air outlet on-off valve 200 respectively. The opening and closing of the air inlet on-off valve 100 and the opening and closing of the air outlet on-off valve 200 are independent of each other and are not affected by each other. .

Implementation Mode Three

As shown in Figures 3 and 4, in the case where the valve structure is configured to be able to open and close both the air inlet pipeline 7 and the air outlet pipeline 8, the valve structure includes a blocking mechanism and a valve with an air inlet chamber 91 and an air outlet chamber 92. The valve casing 9, the air inlet chamber 91 and the air outlet chamber 92 are arranged independently of each other, the air inlet chamber 91 is connected to the air inlet pipeline 7, the air outlet chamber 92 is connected to the air outlet pipeline 8, and the blocking mechanism is set to be able to simultaneously The air inlet pipeline 7 and the air outlet pipeline 8 are blocked. The air inlet chamber 91 has an air inlet 91a and an air outlet 91b, and the air outlet chamber 92 also has an air inlet 92a and an air outlet 92b. Wherein, it may be that the drying cylinder 2 is directly connected with the air inlet 91a of the air inlet chamber 91, and then the air outlet 91b of the air inlet chamber 91 is connected with the washing tub assembly through the air inlet pipeline 7, or the air inlet pipeline 7 has two One section connects the drying drum 2 with the air inlet 91a of the air inlet chamber 91, and the other connects the air outlet 91b of the air inlet chamber 91 with the washing tub assembly. Similarly, the air outlet 92b of the air outlet chamber 92 can be directly connected to the outside world, and then the washing tub assembly can be connected to the air inlet 92a of the air outlet chamber 92 through the air outlet pipeline 8, or the air outlet pipeline 8 has two sections, One section communicates the washing tub assembly with the air inlet 92a of the air outlet cavity 92, and the other section communicates the air outlet 92b of the air outlet cavity 92 with the outside. Preferably, the air inlet pipeline 7 communicates with the top of the window mat 6, and the air outlet pipeline 8 communicates with the top of the outer cylinder 5, so as to prevent water from entering the pipeline during washing.

Preferably, the blocking mechanism includes a driving motor 11, a first blocking member 12 and a second blocking member 13, the output shaft of the driving motor 11 is connected with the first blocking member 12 and the second blocking member 13 at the same time, and the first blocking member 12 is arranged on In the air inlet cavity 91 , the second blocking member 13 is arranged in the air outlet cavity 92 , and the driving motor 11 can drive the first blocking member 12 and the second blocking member 13 to move simultaneously to block the air inlet cavity 91 and the air outlet cavity 92 . The drive motor 11 can be a rotary motor that finally outputs rotational force, or a linear motor that finally outputs linear drive force. For example, in a preferred situation, the drive motor 11 is connected to the transmission shaft, the first barrier member 12 is a first barrier plate, the second barrier member 13 is a second barrier plate, and both the first barrier plate and the second barrier plate are provided. On the transmission shaft, the drive motor 11 can drive the transmission shaft to rotate so that the first baffle plate and the second baffle plate rotate simultaneously. That is, the driving motor 11 is a rotating motor, and the driving motor 11 can drive the transmission shaft to rotate, and the transmission shaft simultaneously drives the first baffle plate and the second baffle plate to rotate. The opposite sides of the air chamber 91 can also be respectively located on the adjacent sides of the air inlet chamber 91. Similarly, the air inlet 92a and the air outlet 92b of the air outlet chamber 92 can be respectively located on the opposite sides of the air outlet chamber 92, and can also be located on the opposite sides of the air outlet chamber 92 respectively. Adjacent sides of the air outlet cavity 92 . Wherein, according to the respective setting positions of the air inlet and outlet of the air inlet chamber 91 and the air inlet and outlet of the air outlet chamber 92, the respective blocking modes of the first baffle plate and the second baffle plate can be flexibly set, and in a preferred situation, The air outlet 91b of the air chamber 91 and the air inlet 92a of the air outlet chamber 92 are arranged on the same side of the valve housing 9, that is, the air outlet 91b of the air inlet chamber 91 and the air inlet 92a of the air outlet chamber 92 are located on the same side. The motor 11 drives the transmission shaft to rotate so that the first baffle plate can cover the air outlet 91b of the air inlet chamber 91 to block the air inlet pipeline 7, and at the same time enable the second baffle plate to cover the air inlet 92a of the air outlet chamber 92 to further The barrier of the air outlet pipeline 8 is realized, and because the air outlet 91b of the air inlet chamber 91 and the air inlet 92a of the air outlet chamber 92 are respectively covered, even if foam is generated during the washing process, it will not enter the air inlet chamber 91 And in the air outlet chamber 92, and further preferably, the side of the first baffle plate facing the air outlet 91b of the air inlet chamber 91 and the side of the second baffle plate facing the air inlet 92a of the air outlet chamber 92 are all provided with gaskets , so that the sealing can be realized when the first baffle plate covers the air outlet 91b of the air inlet chamber 91 , and the sealing can also be realized when the second baffle plate covers the air inlet 92a of the air outlet chamber 92 . In other examples, the gasket on the first baffle plate can be replaced by a gasket that can correspond to the shape of the air outlet 91b of the air inlet cavity 91, and the gasket on the second baffle plate can be replaced by a gasket that can correspond to the shape of the air outlet cavity 92. The sealing ring of air inlet 92a shape. More preferably, the transmission shaft passes through the air outlet chamber 92 and the air inlet chamber 91 sequentially from the outside from one side of the valve housing 9, and the transmission shaft is rotatably arranged on the partition plate separating the air inlet chamber 91 and the air outlet chamber 92 superior. In one possible situation, a first through hole is formed on the side of the valve casing 9 where the air outlet chamber 92 is formed, a second through hole is formed on the partition plate, and the transmission shaft passes through the first through hole and the second through hole in turn. , the part of the transmission shaft between the first through hole and the second through hole (that is, the part located in the air outlet chamber 92) is connected with the second baffle plate, and the part of the transmission shaft passing through the second through hole (that is, the part located in the inlet The part of the air cavity 91) is connected with the first baffle plate. In addition, the transmission shaft can be connected to the edge of the first blocking plate and connected to the edge of the second blocking plate, so that the rotation of the transmission shaft realizes the synchronous swing of the first blocking plate and the second blocking plate. In addition, a third through hole can also be set on the opposite side of the valve housing 9 where the first through hole is set, and the extended end of the transmission shaft can be located in the third through hole. The through hole and the third through hole jointly support the transmission shaft to improve the stability of the support. The drive motor 11 located outside the valve housing 9 can be connected to the box body 1 of the double-tube laundry processing device through a mounting bracket, or the drive motor 11 is directly welded to the box body 1 of the double-tube laundry treatment device. In other examples, the transmission shaft may pass through the air inlet chamber 91 and the air outlet chamber 92 sequentially from one side of the valve housing 9 from the outside.

Alternatively, the drive motor 11 is a linear motor, the first barrier member 12 is a first barrier plate, the second barrier member 13 is a second barrier plate, and the valve casing 9 is respectively formed with a first barrier communicating with the air inlet cavity 91 on the same side. A slot and a second slot communicated with the air outlet cavity 92, the first baffle plate is plugged and matched with the first slot, the second baffle plate is plugged and matched with the second slot, and the linear motor can drive the first baffle plate Synchronously move linearly with the second baffle plate, when it is necessary to block the air inlet chamber 91 and the air outlet chamber 92, the linear motor drives the first baffle plate into the air inlet chamber 91 from the first slot, and then makes the The air inlet 91a and the air outlet 91b of the air inlet chamber 91 are blocked from each other, and the second baffle plate is driven to be inserted into the air outlet chamber 92 from the second slot, and then the air inlet 92a and the air outlet 92 of the air outlet chamber 92 are passed through the second baffle plate. The tuyeres 92b are blocked from each other. In the above, the linear motor can also be replaced by hydraulic cylinder, air cylinder and other structures.

In the present invention, an opening communicating with the outside world may also be provided on the front panel of the box body 1 of the double-tube laundry processing device, and the air outlet pipeline 8 is communicated with the opening. An air outlet detection device is provided at the opening, wherein the air outlet detection device can be a flow sensor or other devices capable of detecting wind. Through the air outlet detection device, it can be determined whether the double-tube clothes processing equipment is normally air outlet. That is, whether the washing tub assembly is normally dried. It is more preferable to set a wind humidity sensor at the opening, and then set an environmental humidity sensor that communicates with the controller of the double-tube laundry processing equipment (such as wifi, bluetooth communication, etc.) indoors, and the environment detected by the environmental humidity sensor Humidity is compared with the humidity detected by the air-out humidity sensor, if the difference between the humidity detected by the ambient humidity sensor and the humidity detected by the air-out humidity sensor is less than the preset humidity value (the preset humidity value can be a relative humidity value 5%), indicating that the humidity of the outlet wind is roughly the same as or close to the humidity of the environment, and the double-tubular laundry processing equipment can stop blowing and drying the washing tub assembly.

The controller of the double-tube laundry processing device of the present invention can set the control program in the following manner. When the double-tube laundry processing device detects that the laundry is completed, it can be judged within the set time (for example, 5 minutes) whether there is clothing in the drying drum 2 And it is judged whether the washing tub assembly washes the clothes. If there are clothes in the drying tub 2 and the laundry tub assembly does not wash the clothes, start the drying program and open the valve structure, so that the double-tube laundry processing equipment can wash the clothes on the drying tub. The clothes in 2 are dried and the drying gas can enter into the washing tub assembly to dry the inside of the window mat 6 and the inner wall of the outer tub 5 to remove the residual water. If there are clothes in the drying tub 2 and the washing tub When the assembly washes the clothes, start the drying program and close the valve structure, so as to dry the clothes in the drying drum 2 alone without affecting the washing of the clothes by the washing drum assembly. If there is no clothes in the drying drum 2 and If the laundry tub assembly washes the clothes, the drying program will not be started. If there is no laundry in the drying drum 2 and the laundry tub assembly has not washed the clothes, the user can be asked whether to start the drying program, so that the drying program can be used to separately The tub assembly is drying. Of course, in the above, the operation of starting the drying program and the opening and closing valve structure can also be replaced by the user's own manual selection.

Example 2

First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the present invention is described in conjunction with a drum washing machine, the technical principle of the present invention is obviously also applicable to an integrated washing and drying machine, or a complex laundry processing device, and the adjustment or change of these application objects does not constitute a limitation to the present invention , should be limited within the scope of the present invention.

It should be noted that, in the description of the present invention, terms such as "middle", "upper", "lower", "inner", "outer" and other indicated directions or positional relationships are based on the directions or positional relationships shown in the drawings. The positional relationship, which is just for convenience of description, does 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. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present invention, unless otherwise clearly specified and limited, the terms "setting", "connection" and "communication" should be understood in a broad sense, for example, it can be a fixed connection or It is a detachable connection or an integral connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In view of the problem that the existing drum washing machine has residual water in the drum assembly after washing the clothes, which easily leads to the breeding of bacteria and affects the user's secondary washing, the present invention provides a drum washing machine, which aims to realize the air drying of the drum assembly, Avoid bacteria breeding in the cylinder assembly, and also avoid affecting the user's secondary washing.

Specifically, as shown in Figure 1, the drum washing machine of the present invention includes a casing 1 and a cylinder assembly arranged in the casing 1. The cylinder assembly includes an inner cylinder 2, an outer cylinder 3 and a window pad 4, and the inner cylinder 2 is rotatably arranged. In the outer cylinder 3, the window pad 4 connects the opening of the outer cylinder 3 with the clothes inlet of the box body 1, and the inner cylinder 2 can be directly driven to rotate by a direct-drive motor, or driven by a motor to drive a belt to drive the inner cylinder 2 to rotate. The outer cylinder 3 is used to contain washing water, the inner cylinder 2 is used to turn over the clothes, and the window gasket 4 is used to ensure the sealing between the outer cylinder 3 and the box body 1 .

It should be noted that the conventional laundry program of the drum washing machine includes a washing process, a rinsing process, a dehydration process and a draining process. In some drum washing machines, the washing program may omit the dehydration process. Constitute the limitation of the present invention, all should be limited within the scope of protection of the present invention, wherein, the washing process can produce a large amount of foams because of the existence of detergent/washing powder, and after the draining process finishes, the inner surface of outer tube 3 and window There will be residual water on the inner surface of the pad 4 .

As shown in Figures 1 to 8, the drum washing machine of the present invention also includes a valve assembly and a blower fan 5, the valve assembly includes a blocking mechanism and a valve casing 6 with an air inlet chamber 61 and an air outlet chamber 62 independently arranged with each other, the air inlet chamber 61 There is an air inlet pipeline 7 connecting the outside world with the barrel assembly on the top, and an air outlet pipeline 8 connecting the outside world with the cylinder assembly is connected to the air outlet cavity 62. The fan 5 is set to be able to introduce air from the air inlet pipeline 7. The cylinder assembly, as shown in Figure 1, the air inlet pipeline 7 is preferably communicated with the window pad 4, the air outlet pipeline 8 is preferably communicated with the outer cylinder 3, the fan 5 can be arranged on the air inlet pipeline 7, or Can be arranged on the air outlet pipeline 8, of course, the fan 5 can also be arranged at the air inlet 61a or the air outlet 61b of the air inlet chamber 61, or at the air inlet 62a or the air outlet 62b of the air outlet chamber 62, It only needs to be able to introduce outside air into the drum assembly when the drum washing machine air-dries the inside of the drum assembly. The air inlet chamber 61 is communicated with the air inlet pipeline 7 that connects the outside world with the barrel assembly. The outside world can directly communicate with the air inlet 61a of the air inlet chamber 61, and then the air outlet 61b of the air inlet chamber 61 can communicate with the outside through the air inlet pipeline 7. The barrel assembly is connected, or the air inlet pipeline 7 has two sections, one section communicates the outside world with the air inlet 61a of the air inlet chamber 61, and the other section communicates the air outlet 61b of the air inlet chamber 61 with the barrel assembly. In the same way, the outlet chamber 62 is connected with an outlet pipeline 8 that connects the outside world with the cylinder assembly, and the air outlet 62b of the outlet chamber 62 can directly communicate with the outside world, and then the cylinder assembly communicates with the outlet chamber through the outlet pipeline 8. The air inlet 62a of 62 is connected, or the air outlet pipeline 8 has two sections, one section communicates the cylinder assembly with the air inlet 62a of the air outlet chamber 62, and the other section communicates the air outlet 62b of the air outlet chamber 62 with the outside world.

In the above, as shown in Figures 4 to 8, the air inlet chamber 61 and/or the air outlet chamber 62 are provided with a vent 9 communicating with the outside world (as shown in the figure, the air outlet chamber 62 is provided with a vent 9 situation), when the drum washing machine executes the laundry program and the blocking mechanism blocks the air inlet pipeline 7 and the air outlet pipeline 8 from the outside world, the air vent 9 communicates with the cylinder assembly. In this way, the cylinder can be realized through the air vent 9 The balance of air pressure inside and outside the assembly avoids the imbalance of air pressure inside and outside the cylinder assembly, and both the air inlet pipeline 7 and the air outlet pipeline 8 are isolated from the outside world (it should be noted that in the present invention, the air inlet pipeline 7 and the air outlet pipeline 8 are all isolated from the outside world, which means that the cylinder assembly can communicate with the outside world only through the air vent 9), which can ensure that the foam in the cylinder assembly will not overflow to the outside world, and simultaneously in order to ensure that the foam will not overflow from the air vent 9 to the outside, the air vent 9 can be communicated with a ventilation pipeline with multiple bending sections or other anti-foam overflow structure, so as to avoid foam overflow from the ventilation port 9. When the clothes in the cylinder assembly are deodorized and the blocking mechanism blocks the vent 9 from the cylinder assembly, the air inlet pipeline 7 and the air outlet pipeline 8 communicate with the outside world. Air is introduced into the cylinder assembly, and then the air is discharged to the outside world through the air outlet pipeline 8, and the air outlet 9 is closed to avoid the air outlet 9. In a preferred situation, the front panel of the box body 1 An opening communicating with the outside world is formed, and the air outlet pipeline 8 communicates with the opening. The user can feel the air from the opening. Closing the air vent 9 can ensure that the opening has sufficient air volume, and the user can check whether the fresh air function is normal. run to improve the user's intuitive experience. In the present invention, the air vent 9 can be separately provided on the air inlet chamber 61, the air vent 9 can also be provided separately on the air outlet chamber 62, and the air vent 9 can also be provided on both the air inlet chamber 61 and the air outlet chamber 62. . For example, in a possible situation, as shown in Figures 2 to 8, the blower fan 5 is arranged at the air inlet 61a of the air inlet chamber 61, that is, after the blower fan 5 is started, its fan blades will introduce the outside air into the casing of the blower fan 5 and then send it to the fan 5. Enter the air inlet 61a of the air inlet chamber 61, and then send the air into the cylinder assembly through the air outlet 61b of the air inlet chamber 61, and then the air in the cylinder assembly enters into the air outlet through the air inlet 62a of the air outlet chamber 62 cavity 62 (the above process omits the description of the air in and out of the air inlet pipeline 7 and the air outlet pipeline 8), at this time, the air vent 9 can be arranged on the air outlet cavity 62, and the blocking mechanism can selectively close the air outlet cavity 62. One of the air outlet 62b and the air outlet 9, that is, to close the air outlet 62b of the air outlet chamber 62 to open the air outlet 9 or to close the air outlet 9 to open the air outlet 62b of the air outlet chamber 62, when the drum washing machine executes the laundry program, the blocking mechanism Close the air outlet 62b of the air outlet chamber 62, block the air inlet chamber 61, and open the air vent 9 to balance the air pressure and prevent the foam from overflowing. The air outlet 62b of the air chamber 62 is connected to the air inlet chamber 61 and the air vent 9 is closed. For example, in another possible situation, the blower fan 5 is arranged at the air outlet 62b of the air outlet chamber 62, at this time, the air vent 9 can be arranged on the air inlet chamber 61, and the blocking mechanism can selectively close the air inlet of the air inlet chamber 61. One of the air inlet 61a and the air inlet 9, that is, close the air inlet 61a of the air inlet chamber 61 and open the air inlet 9 or close the air inlet 9 and open the air inlet 61a of the air inlet chamber 61. When the drum washing machine executes the laundry program, the blocking mechanism is closed. The air inlet 61a of the air inlet chamber 61, blocking the air outlet chamber 62 and opening the air vent 9 to balance the air pressure and prevent the foam from overflowing. The air inlet 61a of the air chamber 61, the conduction air outlet chamber 62 and the closing air vent 9, the blower fan 5 starts to introduce the outside air from the air inlet 61a of the air inlet chamber 61 into the air inlet chamber 61, and then passes through the air inlet chamber 61. The air outlet 61b sends air into the barrel assembly, and the air in the barrel assembly enters into the air outlet chamber 62 through the air inlet 62a of the air outlet chamber 62, and the air in the air outlet chamber 62 passes through the outlet of the air outlet chamber 62. The tuyere 62b enters into the casing of the blower fan 5, and is finally discharged to the outside through the air outlet of the casing of the blower fan 5 (the above process omits the description of the air in and out of the air inlet pipeline 7 and the air outlet pipeline 8). In the present invention, the fan 5 is preferably a centrifugal fan.

It should be noted that the air vent 9 is used to balance the internal and external air pressure of the cylinder assembly, and the air inlet pipeline 7, the air outlet pipeline 8, the air inlet 61a and the air outlet 61b of the air inlet chamber 61, and the air inlet of the air outlet chamber 62 62a and the air outlet 62b are used to realize the introduction and delivery of fresh air, and the diameter of the air vent 9 is generally smaller than the pipe diameter of the air inlet pipeline 7, the pipe diameter of the air outlet pipeline 8, the air inlet 61a and the air outlet of the air inlet chamber 61 The caliber of 61b and the air inlet 62a of air outlet chamber 62 and the caliber of air outlet 62b, such as air vent 9 can be set to 0.5 to 1cm, the pipe diameter of air inlet pipeline 7, the pipe diameter of air outlet pipeline 8, the inlet The caliber of the air inlet 61a of the air chamber 61 and the air outlet 61b and the air inlet 62a of the air outlet chamber 62 and the caliber of the air outlet 62b can be set to 4 to 8cm, that is, the pipe diameter of the air inlet pipeline 7, the air outlet pipeline 8, the diameter of the air inlet 61a and the air outlet 61b of the air inlet chamber 61 and the diameter of the air inlet 62a and the air outlet 62b of the air outlet chamber 62 can be 4 to 16 times the diameter of the air vent 9, so in the drum When the washing machine executes the fresh air program, it needs to use the air inlet pipeline 7, the air outlet pipeline 8, and the air inlet chamber 61 and the air outlet chamber 62 to ensure sufficient air volume, while when the drum washing machine executes the laundry program, only the air outlet 9 is needed to realize the drum. The balance of air pressure inside and outside the component. Certainly, the caliber of above-mentioned ventilation opening 9, the pipe diameter of air inlet pipeline 7, the pipe diameter of air outlet pipeline 8, the air inlet 61a of air inlet cavity 61 and the caliber of air outlet 61b and the air inlet 62a of air outlet cavity 62 The specific numerical ranges of the caliber of the air outlet 62b and the air outlet 62b are only exemplary, and do not constitute a limitation to the present invention.

As shown in Figures 2 to 8, the air outlet 9 is arranged on the air outlet chamber 62 below, the fan 5 communicates with the air inlet 61a of the air inlet chamber 61, and the air outlet 61b of the air inlet chamber 61 communicates with the cylinder through the air inlet pipeline 7. The preferred situation of component connectivity is taken as an example to further illustrate the technical solution of the present invention.

Specifically, in this case, the blocking mechanism is configured to block the air vent 9 so that the air inlet 62a of the air outlet chamber 62 communicates with the air outlet 62b and communicates with the air inlet 61a of the air inlet chamber 61 and the air outlet 61b, The blocking mechanism is also configured to block the air outlet 62b of the air outlet chamber 62 so that the air inlet 62a of the air outlet chamber 62 communicates with the air vent 9 and block the air inlet 61a and the air outlet 61b of the air inlet chamber 61 .

Preferably, as shown in Figures 2 to 8, the air inlet 62a and the air outlet 62b of the air outlet chamber 62 are located on opposite sides of the valve housing 6, and the air outlet 62b of the air outlet chamber 62 and the air outlet 61b of the air inlet chamber 61 are located on the valve housing. On the same side of the shell 6 , the air vent 9 and the air inlet 62 a and the air outlet 62 b of the air outlet chamber 62 are located on adjacent sides adapted to the valve housing 6 .

In the present invention, those skilled in the art can flexibly set the air inlet 61a of the air inlet chamber 61, the air outlet 61b of the air inlet chamber 61, the air inlet 62a of the air outlet chamber 62, the air outlet 62b of the air outlet chamber 62 and the ventilation The position of the port 9 on the valve housing 6, the barrier mechanism can use a set of barrier structures to realize the selective barrier between the air inlet pipeline 7, the air outlet pipeline 8 and the outside world and the opening and closing of the air vent 9, the barrier mechanism can also use Two sets of barrier structures are used to realize the selective barrier between the air inlet pipeline 7 and the air outlet pipeline 8 and the outside world and the opening and closing of the ventilation port 9 .

In a preferred situation, as shown in Figures 2 to 7, the blocking mechanism includes a rotating motor 10, a first blocking plate 11 and a second blocking plate 12, the first blocking plate 11 is located in the air outlet cavity 62, and the second blocking plate The plate 12 is located in the air inlet cavity 61, the output shaft of the rotating motor 10 is connected to the transmission shaft, the first blocking plate 11 and the second blocking plate 12 are all arranged on the transmission shaft, and the rotating motor 10 can drive the transmission shaft to rotate so that the first The blocking plate 11 and the second blocking plate 12 rotate together. When the drum washing machine executes the laundry program, the rotating motor 10 drives the transmission shaft to rotate so that the first blocking plate 11 and the second blocking plate 12 rotate together, the first blocking plate 11 covers the air outlet 62b of the air outlet cavity 62, and the second blocking plate 11 The plate 12 covers the air outlet 61b of the air inlet cavity 61, while the first barrier plate 11 opens the air vent 9 (see FIG. 7 ), thereby realizing the ventilation of the cylinder assembly and ensuring the balance of the internal and external air pressure. When the drum washing machine needs to air-dry the drum assembly after performing the washing program or the user does not take the clothes and needs to deodorize the clothes, the rotating motor 10 drives the transmission shaft to rotate so that the first blocking plate 11 and the second blocking plate 12 rotate together , the first baffle plate 11 covers the air vent 9, while the first baffle plate 11 and the second baffle plate 12 make the air inlet and outlet of the air inlet chamber 61 and the air inlet and outlet of the air outlet chamber 62 all communicated (see FIG. 6 ), and the blower fan 5 After start-up, outside air can enter into the cylinder assembly through the air inlet pipeline 7 and be discharged to the outside through the air outlet pipeline 8, so as to realize air drying of the cylinder assembly or deodorization of clothes.

In the above, as shown in Figures 6 and 7, it is preferred that the first sealing structure 13 and the second sealing structure 14 are respectively provided on the two board surfaces of the first blocking plate 11, and the first blocking plate 11 can pass through the first sealing structure. The sealing structure 13 seals the air outlet 62b of the air outlet cavity 62 and seals the air vent 9 through the second sealing structure 14, that is, when the drum washing machine executes the washing process, the first barrier plate 11 rotates and the air outlet through the first sealing structure 13. The air outlet 62b of the cavity 62 is sealed (see FIG. 7 ), and when the drum washing machine executes the fresh air program, the first barrier plate 11 rotates and seals the air vent 9 through the second sealing structure 14 (see FIG. 6 ), according to FIGS. 6 and 7 When the first blocking plate 11 is in the horizontal position, the air vent 9 will be sealed; when the first blocking plate 11 is in the vertical position, the air outlet 62b of the air outlet cavity 62 will be sealed; the first sealing structure 13 and the second sealing structure 14 It can be a sealing ring, or a sealing gasket, or other structures capable of achieving sealing. Those skilled in the art can flexibly set the specific structures of the first sealing structure 13 and the second sealing structure 14 in practical applications, as long as the first sealing structure 13 and the second sealing structure 14 can respectively realize the sealing of the air vent 9 and the air outlet 62b of the air outlet cavity 62 .

In another preferred situation, as shown in FIG. 8, the blocking mechanism includes a first rotating motor 10a, a first blocking plate and an opening and closing valve, the first blocking plate is arranged in the air outlet chamber 62, and the first rotating motor 10a The output shaft is connected with the first baffle plate to drive the first baffle plate to rotate, and the on-off valve is arranged in the air inlet cavity 61 or the air inlet pipeline 7 . The first rotating motor 10a can be directly connected to the first baffle plate through its output shaft, or indirectly connected to the first baffle plate through a transmission shaft. Taking the output shaft of the first rotating motor 10a connected to the first barrier plate through the first transmission shaft as an example, when the front-loading washing machine executes the laundry program, the first rotating motor 10a drives the first transmission shaft to rotate to rotate the first barrier plate, The first baffle plate covers the air outlet 62b of the air outlet chamber 62, the opening and closing valve closes the air inlet chamber 61 or the air inlet pipeline 7, and at the same time the first baffle plate opens the air vent 9, thereby realizing the ventilation of the cylinder assembly, ensuring Its internal and external air pressure balance. When the drum washing machine needs to air-dry the drum assembly after executing the washing program or the user needs to deodorize the clothes without taking the clothes, the first rotating motor 10a drives the first transmission shaft to rotate to rotate the first blocking plate, and the first blocking plate The plate covers the air vent 9, and the first barrier plate and the opening and closing valve make the air inlet and outlet of the air inlet chamber 61 and the air inlet and outlet of the air outlet chamber 62 communicate with each other. After the fan 5 is started, the outside air can enter through the air inlet pipeline 7. The cylinder assembly is discharged to the outside through the air outlet pipeline 8, so as to realize air drying of the cylinder assembly or deodorization of clothes. In this embodiment, the on-off valve can be a solenoid valve. Of course, the on-off valve can also adopt a structure in which a rotating motor and a barrier plate cooperate. For example, the on-off valve includes a second rotating motor 10b and a second barrier plate. The two rotating motors 10b are independent from the first rotating motor 10a, the second baffle plate is arranged in the air inlet chamber 61 or the air inlet pipeline 7, and the output shaft of the second rotating motor 10b is connected with the second baffle plate to drive the second baffle plate. The plate rotates, wherein the second rotating motor 10b can be directly connected to the second blocking plate through its output shaft, or indirectly connected to the second blocking plate through a transmission shaft, and the output shaft of the second rotating motor 10b passes through the second transmission shaft Take the connection with the second barrier plate as an example, the second rotating motor 10b can be arranged on the air inlet cavity 61 or the air inlet pipeline 7, when the drum washing machine executes the laundry program, the second rotating motor 10b drives the second transmission shaft to rotate to Rotate the second baffle plate, the second baffle plate will block the air inlet chamber 61 or the air inlet pipeline 7, when the drum washing machine finishes the washing process and needs to air dry the drum assembly or the user does not take the clothes and needs to deodorize the clothes , the second rotating motor 10b drives the second transmission shaft to rotate to rotate the second baffle plate, and the second baffle plate conducts the air inlet cavity 61 or the air inlet pipeline 7 .

In the above, similar to the above, it is preferred that the first sealing structure and the second sealing structure are respectively provided on the two board surfaces of the first baffle plate, and the first baffle plate can seal the air outlet cavity 62 through the first sealing structure. The air outlet 62b of the air outlet 62b is sealed and the air outlet 9 is sealed by the second sealing structure, that is, when the drum washing machine executes the laundry program, the first barrier plate rotates and the air outlet 62b of the air outlet chamber 62 is sealed by the first sealing structure, and the drum washing machine When the fresh air program is executed, the first baffle plate rotates and seals the air vent 9 through the second sealing structure. According to the orientation in the figure, when the first baffle plate is in the horizontal position, the air vent 9 is sealed; when the first baffle plate is in the vertical position To seal the air outlet 62b of the air outlet cavity 62, the first sealing structure and the second sealing structure can be sealing rings, or sealing gaskets, or other structures capable of achieving sealing. Those skilled in the art can flexibly set the second sealing structure in practical applications. The specific structures of the first sealing structure and the second sealing structure are as long as the first sealing structure and the second sealing structure respectively realize the sealing of the air vent 9 and the air outlet 62b of the air outlet cavity 62 .

Example 3

Aiming at the problem that the structure of the existing drum washing machine is too complex to achieve multi-functionality and bacteria are easy to grow in the drum after the washing is completed, which will affect the secondary washing, the present invention provides a drum washing machine and its control method, aiming to avoid Bacteria can grow due to residual water inside the drum assembly, which also avoids affecting the user's secondary washing, and can air-dry and deodorize the clothes and other special treatments, avoiding the complexity of product structure design and improving the user's experience.

Specifically, as shown in Figures 1 and 2, the drum washing machine of the present invention includes a casing 1 and a cylinder assembly arranged in the casing 1, the cylinder assembly includes an inner cylinder 2, an outer cylinder 3 and a window pad 4, and the inner cylinder 2 rotates The window pad 4 connects the opening of the outer cylinder 3 with the clothes inlet of the box body 1. The inner cylinder 2 can be directly driven and rotated by a direct drive motor, and the inner cylinder 2 can also be driven by a belt driven by the motor to rotate. . The outer cylinder 3 is used to contain washing water, the inner cylinder 2 is used to turn over the clothes, and the window gasket 4 is used to ensure the sealing between the outer cylinder 3 and the box body 1 .

As shown in Figures 1 and 2, the drum washing machine of the present invention also includes a blower fan 5, an air inlet pipeline 6 and an air outlet pipeline 7, one end of the air inlet pipeline 6 communicates with the outside world and the other end passes through the first branch 61 and the second branch. The second branch 62 communicates with the cylinder assembly, the air outlet pipeline 7 communicates the cylinder assembly with the outside world, the fan 5 is arranged on the air inlet pipeline 6 and/or the air outlet pipeline 7, and the second branch 62 is along the air flow direction A first on-off valve 8 and an auxiliary agent adding member are provided in this order. The blower fan 5 can be arranged on the air inlet pipeline 6 alone, also can be arranged on the air outlet pipeline 7 alone, or be arranged on the air inlet pipeline 6 and the air outlet pipeline 7 at the same time, that is, the air inlet pipeline 6 and the air outlet pipeline The air ducts 7 each have a fan 5, and after at least one of the two fans 5 is activated, the outside air can enter the cylinder assembly through the air inlet duct 6, and then flow back to the outside from the air outlet duct 7, thereby achieving The drum assembly is air-dried to prevent the residual water in the drum assembly from breeding bacteria and affecting the user's secondary washing after washing, or to air-dry the clothes to remove the peculiar smell of the clothes. In a preferred situation, both the first branch 61 and the second branch 62 communicate with the window pad 4, and the air outlet pipeline 7 communicates with the outer cylinder 3, that is, when the drum washing machine executes the fresh air program, the fresh air passes through the window pad 4 Enter and discharge from the outer tube 3, the first branch 61 is preferably connected with the folds of the window pad 4, so that the fresh air can dry the folds of the window pad 4, improve the air-drying effect on the window pad 4, and avoid the window pad There is residual water in 4, and the connection between the first branch 61 and the second branch 62 and the window mat 4 is preferably set apart, that is, not adjacent to each other, for example, viewed from the front of the box body 1, the second branch can be placed One branch 61 communicates with the upper left of the window mat 4 , and connects the second branch 62 with the upper right of the window mat 4 .

Preferably, the first on-off valve 8 is a solenoid valve, and the controller can control the solenoid valve through the communication between the solenoid valve and the controller of the drum washing machine, so as to realize the on-off of the second branch 62. Of course, the first on-off The valve 8 can also adopt a structure in which the rotating motor is connected to the valve plate, that is, the output shaft of the rotating motor is connected to the valve plate, and the rotating motor can drive the valve plate to rotate under the control of the controller, thereby opening and closing the second branch 62. A skilled person can flexibly set the specific structure of the first on-off valve 8 in practical applications, as long as the first on-off valve 8 can realize the on-off of the second branch 62 .

Preferably, the auxiliary agent adding component includes a box body 9 connected to the second branch 62 and a switch for opening and closing the box body 9, that is, the box body 9 has an air inlet and an air outlet, and the air inlet of the box body 9 Both the air outlet and the air outlet are connected to the second branch 62. The box body 9 is used to accommodate the auxiliary agent. The opening and closing of the box body 9 can be realized through the opening and closing parts, and then the auxiliary agent can be added to the box body 9. According to the needs of users, The auxiliary agent can be aromatherapy, bactericidal granules, or other preparations capable of treating clothes, and the form of the auxiliary agent can be liquid or solid. Alternatively, the above-mentioned box body 9 can also be replaced with a receiving groove formed on the second branch 62 , and those skilled in the art can flexibly set the specific structure of the auxiliary agent adding member in practical applications. In a more preferred situation, the box body 9 is arranged on the inner side wall of the front panel of the box body 1, and an auxiliary agent injection port communicated with the box body 9 is formed on the front panel, and the opening and closing member is used for inputting the auxiliary agent. The opening is pivotally connected or slidingly connected to the box cover, and the shape of the auxiliary agent injection port can be circular or square. Optionally, the shape of the auxiliary agent insertion port is round or square, and the edge of the auxiliary agent insertion port is connected with the box cover through a rotating shaft. The box cover can be turned up to open the auxiliary agent insertion port, and turned down to close the auxiliary agent injection mouth. Optionally, the shape of the auxiliary agent insertion port is square, a pair of side openings of the auxiliary agent insertion port are provided with slide rails, the box cover is connected with the auxiliary agent insertion port through the slide rails, and the box cover can slide to open the auxiliary agent insertion port and Slide to close the auxiliary agent inlet. Of course, alternatively, the box body 9 can also be installed in other positions of the box body 1 , and the opening and closing member can also be an on-off valve arranged on the box body 9 .

Preferably, the drum washing machine also includes a valve assembly, which can control the on-off of the air inlet pipeline 6 and the air outlet pipeline 7, that is, the controller can control the valve assembly to control the opening and closing of the air inlet pipeline 6 and the air outlet pipeline 7. on and off. Among them, two independently driven valve structures can be used to control the opening and closing of the air inlet pipeline 6 and the air outlet pipeline 7 respectively, and one driven valve structure can also be used to simultaneously control the air inlet pipeline 6 and the air outlet pipeline. The opening and closing of road 7.

As shown in Figure 1, in a possible situation, the valve assembly includes a second on-off valve 10 arranged on the air inlet pipeline 6 for controlling the on-off of the air inlet pipeline 6 and a second on-off valve 10 arranged on the air outlet pipeline 7. The third on-off valve 11 is used to control the on-off of the air outlet pipeline 7. That is, the second on-off valve 10 for controlling the on-off of the air inlet pipeline 6 and the third on-off valve 11 for controlling the on-off of the air outlet pipeline 7 are independent of each other. The second on-off valve 10 can be a solenoid valve, and the controller can realize the control of the solenoid valve through the communication between the solenoid valve and the controller of the drum washing machine, so as to realize the on-off of the air inlet pipeline 6. Of course, the second on-off valve 10 It is also possible to adopt a structure in which the rotating motor is connected to the valve plate, that is, the output shaft of the rotating motor is connected to the valve plate, and the rotating motor can drive the valve plate to rotate under the control of the controller, thereby opening and closing the air inlet pipeline 6. Those skilled in the art The specific structure of the second on-off valve 10 can be flexibly set in practical applications, as long as the on-off of the air inlet pipeline 6 can be realized through the second on-off valve 10 . Similarly, the third on-off valve 11 can be a solenoid valve, and the controller can realize the control of the solenoid valve through the communication between the solenoid valve and the controller of the drum washing machine, so as to realize the on-off of the air outlet pipeline 7. Of course, the third on-off valve The shut-off valve 11 can also adopt the structure that the rotating motor is connected with the valve plate, that is, the output shaft of the rotating motor is connected with the valve plate, and the rotating motor can drive the valve plate to rotate under the control of the controller, thereby opening and closing the air outlet pipeline 7. Those skilled in the art can flexibly set the specific structure of the third on-off valve 11 in practical applications, as long as the third on-off valve 11 can realize the on-off of the air outlet pipeline 7 .

As shown in Figures 1, 3 and 4, in another possible situation, the valve assembly includes a valve housing 12 having independent air inlet chambers 121 and air outlet chambers 122 and a blocking mechanism, and the air inlet chamber 121 communicates with the On the air duct 6 , the air outlet chamber 122 is connected to the air outlet duct 7 , and the blocking mechanism is configured to block the air inlet chamber 121 and the air outlet chamber 122 at the same time. The drive motor 13 can be a rotary motor that finally outputs rotational force, or a linear motor that finally outputs linear drive force. For example, in a preferred situation, the drive motor 13 is connected to the drive shaft, the first barrier member 14 is a first barrier plate, the second barrier member 15 is a second barrier plate, and both the first barrier plate and the second barrier plate are provided. On the transmission shaft, the drive motor 13 can drive the transmission shaft to rotate so that the first baffle plate and the second baffle plate rotate simultaneously. That is, the driving motor 13 is a rotating motor, and the driving motor 13 can drive the transmission shaft to rotate, and the transmission shaft simultaneously drives the first blocking plate and the second blocking plate to rotate, and the air inlet 121a and the air outlet 121b of the air inlet chamber 121 can be located at the The opposite sides of the air chamber 121 can also be respectively located on the adjacent sides of the air inlet chamber 121. Similarly, the air inlet 122a and the air outlet 122b of the air outlet chamber 122 can be respectively located on the opposite sides of the air outlet chamber 122, or can be located on the opposite sides of the air outlet chamber 122 respectively. Adjacent sides of the air outlet cavity 122 . Wherein, according to the respective setting positions of the air inlet and outlet of the air inlet chamber 121 and the air inlet and outlet of the air outlet chamber 122, the respective blocking modes of the first baffle plate and the second baffle plate can be flexibly set. The air outlet 121b of the air chamber 121 and the air inlet 122a of the air outlet chamber 122 are arranged on the same side of the valve housing 12, that is, the air outlet 121b of the air inlet chamber 121 and the air inlet 122a of the air outlet chamber 122 are located on the same side, and the drive The motor 13 drives the transmission shaft to rotate so that the first baffle plate can cover the air outlet 121b of the air inlet chamber 121 to block the air inlet pipeline 6, and at the same time enable the second baffle plate to cover the air inlet 122a of the air outlet chamber 122 to further The barrier of the air outlet pipeline 7 is realized, and because the air outlet 121b of the air inlet chamber 121 and the air inlet 122a of the air outlet chamber 122 are respectively covered, even if foam is generated during the washing process of the drum washing machine, it will not enter the air inlet In the chamber 121 and the air outlet chamber 122, and further preferably, the side of the first baffle plate facing the air outlet 121b of the air inlet chamber 121 and the side of the second baffle plate facing the air inlet 122a of the air outlet chamber 122 are all provided with The sealing gasket can achieve sealing when the first baffle plate covers the air outlet 121b of the air inlet cavity 121 , and can also achieve sealing when the second baffle plate covers the air inlet 122a of the air outlet cavity 122 . In other examples, the gasket on the first baffle plate can be replaced by a gasket that can correspond to the shape of the air outlet 121b of the air inlet cavity 121, and the gasket on the second baffle plate can be replaced by a gasket that can correspond to the shape of the air outlet cavity 122. A sealing ring in the shape of the air inlet 122a.

Preferably, the transmission shaft passes through the air outlet chamber 122 and the air inlet chamber 121 from one side of the valve housing 12 from the outside in sequence, and the transmission shaft is rotatably arranged on a partition plate separating the air inlet chamber 121 and the air outlet chamber 122 . In one possible situation, a first through hole is formed on the side of the valve casing 12 where the air outlet cavity 122 is formed, a second through hole is formed on the partition plate, and the transmission shaft passes through the first through hole and the second through hole in turn. , the part of the transmission shaft between the first through hole and the second through hole (that is, the part located in the air outlet chamber 122) is connected to the second barrier plate, and the part of the transmission shaft passing through the second through hole (that is, the part located in the inlet part of the air cavity 121) is connected to the first barrier plate. In addition, the transmission shaft can be connected to the edge of the first blocking plate and connected to the edge of the second blocking plate, so that the rotation of the transmission shaft realizes the synchronous swing of the first blocking plate and the second blocking plate. In addition, the valve housing 12 can also be provided with a third through hole on the side opposite to the first through hole, and the extended end of the transmission shaft can be located in the third through hole. The through hole and the third through hole jointly support the transmission shaft to improve the stability of the support. The driving motor 13 is located on the outside of the valve housing 12 and can be connected to the casing 1 of the drum washing machine through a mounting bracket, or the driving motor 13 is directly welded to the casing 1 of the drum washing machine. In other examples, the transmission shaft may pass through the air inlet chamber 121 and the air outlet chamber 122 sequentially from one side of the valve housing 12 from the outside.

Alternatively, the drive motor 13 is a linear motor, the first barrier member 14 is a first barrier plate, the second barrier member 15 is a second barrier plate, and the valve casing 12 is respectively formed on the same side with a second valve communicating with the air inlet chamber 121. A slot and a second slot communicating with the air outlet cavity 122, the first blocking plate is plugged and matched with the first slot, the second blocking plate is plugged and fitted with the second slot, and the linear motor can drive the first blocking plate Synchronously move linearly with the second baffle plate, when it is necessary to block the air inlet chamber 121 and the air outlet chamber 122, the linear motor drives the first baffle board to insert into the air inlet chamber 121 from the first slot, and then through the first baffle board The air inlet 121a and the air outlet 121b of the air inlet chamber 121 block each other, and at the same time drive the second baffle plate to insert into the air outlet chamber 122 from the second slot, and then make the air inlet 122a and the air outlet of the air outlet chamber 122 The tuyeres 122b are blocked from each other. In the above, the linear motor can also be replaced by hydraulic cylinder, air cylinder and other structures.

In another aspect, the present invention also provides a control method for laundry equipment. The control method includes: when the drum washing machine executes the fresh air program, acquiring an input auxiliary laundry processing instruction; if the input auxiliary laundry processing instruction is acquired, If the instruction is processed, the fan 5 and the first on-off valve 8 are opened. In the present invention, the fresh air program can be automatically executed by the drum washing machine after the washing is completed, or it can be executed after the user selects and confirms. The auxiliary clothes processing instruction can be input by the user during the running of the fresh air program, or it can be selected by the user. After the fresh air program, it is necessary to further input whether to execute the auxiliary agent clothes processing command, and then the fresh air program will be executed. In a preferred situation, the drum washing machine prompts the user to take out the clothes after washing the clothes. If the user does not pick up the clothes and selects fresh air to dry them, the drum washing machine executes the fresh air program to use the outside air to air dry and deodorize the clothes. If the user opens the door to take the clothes , after the user closes the door, the drum washing machine automatically executes the fresh air program to air-dry the outer cylinder 3 and the window mat 4. During the process of air-drying and deodorizing the clothes, if the user inputs an auxiliary agent clothes treatment instruction, the first on-off valve 8 will be activated. Open. In addition, the control method of the present invention may further include: after acquiring the input auxiliary agent clothes processing instruction, the drum washing machine judges whether there is auxiliary agent in the auxiliary agent adding component, and if there is no auxiliary agent, sends out an alarm prompt to remind the user to supplement, If there is an auxiliary agent, the type of auxiliary agent can be identified, and the corresponding laundry treatment program is automatically matched according to the type of auxiliary agent. Among them, the above-mentioned way of judging whether there is an auxiliary agent can be detected and judged by a weight sensor or collected by an image acquisition device and then judged, and the type of identification auxiliary agent can be collected by an image acquisition device and then judged or detected and judged by an odor sensor .

Preferably, a heating element is provided inside the auxiliary agent adding member, and the heating element is selectively turned on. The control method of the present invention may also include: identifying the type of auxiliary agent; if the type of auxiliary agent needs to be heated, turn on the heating element; if the auxiliary agent is of a type that does not require heating, turn off the heating element. Of course, it is also possible for the user to choose to turn on the heating element, thereby increasing the content of the auxiliary agent contained in the air in the second branch circuit 62, thereby improving the special treatment effect on the clothes. For example, the aroma diffuser can be heated through the heating element, so as to improve the fragrance-increasing effect on the clothes.

Preferably, when the type of auxiliary agent is bactericidal particles, the sterilizing program can be added before the washing program of the drum washing machine, or between the washing program and the rinsing program, or between certain two rinsing programs. In order to ensure that there is no water or a small amount of water in the outer cylinder 3, for example, the bottom of the inner cylinder 2 has not been covered, and then the sterilization program is started so that the first on-off valve 8 and the blower fan 5 are opened, thereby utilizing the outside air to remove the The sterilizing ingredients are brought into the outer tub 3 to sterilize the clothes for a period of time (for example, 5 minutes or 10 minutes), and then perform the subsequent washing procedure. Through such a control method, the timing of special clothes treatment can be flexibly adjusted, so that the drum The program control of the washing machine is more intelligent and diverse to meet the various needs of users.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings, but those skilled in the art will easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

A double-tube laundry processing device, characterized in that the double-tube laundry processing device includes a drying tube, a washing tube assembly, a drying air duct, a fan and a valve structure, the fan is arranged on the drying air duct, The drying air duct communicates with the drying drum, and the washing drum assembly and the drying drum or the washing drum assembly and the part of the drying air duct located on the downstream side of the fan pass through the air intake The washing tub assembly communicates with the outside world through the air outlet pipeline, and the valve structure is set to only open and close the air inlet pipeline or connect the air inlet pipeline and the air outlet pipeline Both open and close.
The double-tube laundry processing device according to claim 1, wherein when the valve structure is configured to only open and close the air inlet pipeline, the valve structure is arranged at the The air inlet on-off valve on the pipeline, and the air outlet pipeline is always in communication with the outside world.
The double-tube laundry processing device according to claim 1, wherein when the valve structure is configured to be able to open and close both the air inlet pipeline and the air outlet pipeline, the valve structure It includes an air inlet on-off valve arranged on the air inlet pipeline and an air outlet on-off valve arranged on the air outlet pipeline, and the air inlet on-off valve and the outlet air on-off valve are independent of each other.
The double-tube laundry processing device according to claim 1, wherein when the valve structure is configured to be able to open and close both the air inlet pipeline and the air outlet pipeline, the valve structure It includes a blocking mechanism and a valve housing with an air inlet chamber and an air outlet chamber, the air inlet chamber and the air outlet chamber are set independently of each other, the air inlet chamber is connected to the air inlet pipeline, and the air outlet chamber Connected to the air outlet pipeline, the blocking mechanism is configured to block the air inlet pipeline and the air outlet pipeline at the same time.
The double-tube laundry processing device according to claim 4, wherein the barrier mechanism includes a driving motor, a first barrier and a second barrier, and the output shaft of the drive motor is simultaneously connected to the first barrier. connected with the second barrier, the first barrier is set in the air inlet cavity, the second barrier is set in the air outlet cavity, and the driving motor can drive the first barrier The member and the second blocking member move simultaneously to block the air inlet chamber and the air outlet chamber.
The double-tube laundry processing device according to claim 5, wherein the drive motor is connected to a transmission shaft, the first barrier is a first barrier, the second barrier is a second barrier, Both the first baffle plate and the second baffle plate are arranged on the transmission shaft, and the drive motor can drive the transmission shaft to rotate so that the first baffle plate and the second baffle plate rotate simultaneously .
The double-tube laundry processing device according to claim 6, wherein the transmission shaft passes through the air outlet chamber and the air inlet chamber sequentially from one side of the valve housing from the outside, and the transmission shaft It is rotatably arranged on a partition plate separating the air inlet chamber and the air outlet chamber.
The double-tube laundry processing device according to claim 5, wherein the air outlet of the air inlet chamber and the air inlet of the air outlet chamber are located on the same side of the valve housing, and the driving motor can drive the The first barrier member and the second barrier member move simultaneously so that the first barrier member covers the air outlet of the air inlet chamber and the second barrier member covers the air inlet of the air outlet chamber.
The double-tube laundry processing device according to claim 1, wherein an opening communicating with the outside is provided on the front panel of the cabinet of the double-tube laundry processing device, and the air outlet pipeline communicates with the opening .
The double-tube laundry processing device according to any one of claims 1 to 9, wherein the washing tub assembly includes a connected outer tub and a window pad, the air inlet pipeline communicates with the window pad, The air outlet pipeline communicates with the outer cylinder.
A laundry device, characterized in that the laundry device includes a cylinder assembly, a valve assembly and a fan, the valve assembly includes a blocking mechanism and a valve housing with an air inlet chamber and an air outlet chamber independently arranged, the air inlet The chamber is connected with an air inlet pipeline connecting the outside world with the cylinder assembly, and the air outlet chamber is communicated with an air outlet pipeline connecting the outside world with the cylinder assembly. The air inlet pipeline is introduced into the barrel assembly, and the air inlet chamber and/or the air outlet chamber are provided with air vents communicating with the outside world,

When the blocking mechanism blocks the air inlet pipeline and the air outlet pipeline from the outside world, the air vent communicates with the barrel assembly,

When the blocking mechanism blocks the ventilation port from the cylinder assembly, the air inlet pipeline and the air outlet pipeline communicate with the outside world.
The washing machine according to claim 11, wherein the ventilation port is arranged on the air outlet chamber, the fan communicates with the air inlet of the air inlet chamber, and the air outlet of the air inlet chamber passes through The air inlet pipeline communicates with the barrel assembly,

The blocking mechanism is configured to block the air vent so that the air inlet and the air outlet of the air outlet cavity are communicated and the air inlet and the air outlet of the air inlet cavity are communicated,

The blocking mechanism is also configured to block the air outlet of the air outlet chamber so that the air inlet of the air outlet chamber communicates with the air vent and block the air inlet and air outlet of the air inlet chamber.
The washing machine according to claim 12, wherein the air inlet and the air outlet of the air outlet chamber are located on opposite sides of the valve housing, and the air outlet of the air outlet chamber is connected to the outlet of the air inlet chamber. The air outlet is located on the same side of the valve casing, and the air inlet and the air outlet of the air outlet chamber are located on adjacent sides adapted to the valve casing.
The washing machine according to claim 13, wherein the blocking mechanism comprises a rotating motor, a first blocking plate and a second blocking plate, the first blocking plate is located in the air outlet cavity, and the second blocking plate is located in the air outlet chamber. The baffle plate is located in the air inlet cavity, the output shaft of the rotating motor is connected to the transmission shaft, the first baffle plate and the second baffle plate are both arranged on the transmission shaft, and the rotator motor can drive The transmission shaft rotates to rotate the first blocking plate and the second blocking plate together.
The washing machine according to claim 14, wherein a first sealing structure and a second sealing structure are respectively provided on the two surface of the first blocking plate, and the first blocking plate can pass through the first sealing structure. A sealing structure seals the air outlet of the air outlet chamber and seals the air vent through the second sealing structure.
The washing machine according to claim 13, wherein the blocking mechanism comprises a first rotating motor, a first blocking plate and an opening and closing valve, the first blocking plate is arranged in the air outlet cavity, and the The output shaft of the first rotating motor is connected with the first baffle plate to drive the first baffle plate to rotate, and the on-off valve is arranged in the air inlet cavity or the air inlet pipeline.
The washing machine according to claim 16, wherein a first sealing structure and a second sealing structure are respectively provided on the two surface of the first blocking plate, and the first blocking plate can pass through the first sealing structure. A sealing structure seals the air outlet of the air outlet chamber and seals the air vent through the second sealing structure.
The washing machine according to claim 16, wherein the on-off valve comprises a second rotating motor and a second baffle plate, and the second baffle plate is arranged in the air inlet chamber or the air inlet pipeline wherein, the output shaft of the second rotating motor is connected to the second blocking plate to drive the second blocking plate to rotate.
The washing machine according to claim 16, wherein the on-off valve is a solenoid valve.
The washing machine according to any one of claims 11 to 19, wherein the tub assembly includes a connected outer tub and a window pad, the air inlet pipeline communicates with the window pad, and the air outlet The pipeline communicates with the outer cylinder.
A kind of laundry equipment, characterized in that the laundry equipment includes a drum assembly, a fan, an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline communicates with the outside, and the other end passes through the first branch and the second branch. The branch circuit communicates with the cylinder assembly, the air outlet pipeline communicates the cylinder assembly with the outside world, the fan is arranged on the air inlet pipeline and/or the air outlet pipeline, and the second branch A first on-off valve and an auxiliary agent adding member are sequentially arranged on the road along the air flow direction.
The laundry machine according to claim 21, characterized in that, the auxiliary agent adding member comprises a box communicated with the second branch road and a shutter for opening and closing the box.
The laundry equipment according to claim 22, wherein the box body is arranged on the inner side wall of the front panel of the box body of the laundry equipment, and an auxiliary box communicating with the box body is formed on the front panel. The opening and closing part is a box cover that is pivotally connected or slidingly connected with the auxiliary agent insertion port.
The laundry device according to claim 21, further comprising a valve assembly, the valve assembly can control the on-off of the air inlet pipeline and the air outlet pipeline.
The washing machine according to claim 24, wherein the valve assembly includes a second on-off valve arranged on the air inlet pipeline for controlling the on-off of the air inlet pipeline and a second on-off valve arranged on the outlet The third on-off valve on the air pipeline is used to control the on-off of the air outlet pipeline.
The washing machine according to claim 24, wherein the valve assembly comprises a valve casing having independent air inlet chambers and air outlet chambers and a blocking mechanism, and the air inlet chamber communicates with the air inlet pipeline , the air outlet chamber communicates with the air outlet pipeline, and the blocking mechanism is configured to block the air inlet chamber and the air outlet chamber simultaneously.
The washing machine according to claim 26, wherein the blocking mechanism comprises a driving motor, a first blocking member and a second blocking member, and the output shaft of the driving motor is simultaneously connected with the first blocking member and the second blocking member. The second barrier is connected, the first barrier is set in the air inlet cavity, the second barrier is set in the air outlet cavity, and the driving motor can drive the first barrier and the The second blocking member moves simultaneously to block the air inlet chamber and the air outlet chamber.
The washing machine according to claim 27, wherein the air outlet of the air inlet chamber and the air inlet of the air outlet chamber are located on the same side of the valve housing, and the driving motor can drive the first The blocking element and the second blocking element move simultaneously so that the first blocking element covers the air outlet of the air inlet chamber and the second blocking element covers the air inlet of the air outlet chamber.
The washing machine according to any one of claims 21 to 28, wherein the tub assembly includes an outer tub and a window mat connected together, the first branch and the second branch are connected to the The window pad is in communication, and the air outlet pipeline is in communication with the outer cylinder.
A control method for laundry equipment, characterized in that the laundry equipment includes a cylinder assembly, a fan, an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline communicates with the outside world and the other end passes through a first branch and the second branch communicate with the cylinder assembly, the air outlet pipeline communicates the cylinder assembly with the outside world, the fan is arranged on the air inlet pipeline and/or the air outlet pipeline, the The first on-off valve and the auxiliary agent adding member are sequentially arranged on the second branch along the air flow direction,

The control methods include:

In the case that the laundry equipment executes the fresh air program, acquire the input auxiliary laundry processing instruction;

If an input auxiliary laundry treatment instruction is obtained, the fan and the first on-off valve are opened.