Control method of washing machine and washing and drying all-in-one machine

Abstract

The invention provides a control method of a washing machine, a water inlet pipeline of the washing machine comprises a first water inlet section and a second water inlet section, the first water inlet section is a U-shaped pipe, one end of the first water inlet section is connected with a water outlet end of a distributor box, and the other end of the first water inlet section is connected with a water inlet through the second water inlet section; the control method comprises the steps that the washing machine judges whether the next stage is a drying stage or not, if yes, a water inlet valve is opened for first set time to form water seal, and then a drying program is executed; if not, executing a preset program or finishing washing. The water inlet pipeline comprises the first water inlet section arranged to be the U-shaped pipe, and before the drying stage, part of washing water can be temporarily stored in the first water inlet section to form water seal, so that the situation that water vapor enters the distributor box along the water inlet pipeline, and user complaints are caused is avoided. The invention further provides the washing and drying all-in-one machine adopting the control method of the washing machine.

Description

Technical Field

[0001] The present invention belongs to the technical field of washing machines, and in particular, relates to a control method for a washing machine and a washer-dryer. Background Art

[0002] When an existing washer-dryer is executing the drying program, water vapor will enter the dispenser box through the water inlet pipe. Since the ambient temperature of the dispenser box is low, the water vapor condenses into water droplets after encountering cold in the dispenser box. When the user opens the dispenser box, the condensed water will spill out, causing user complaints.

[0003] In view of this, the present invention is proposed. Summary of the invention

[0004] An object of the present invention is to overcome the deficiencies of the prior art and to provide a control method for a washing machine, wherein the first water inlet section of the water inlet pipe temporarily stores water to form a water seal, thereby preventing water vapor from entering the dispenser box during the drying stage and causing user complaints.

[0005] Another object of the present invention is to provide a washer-dryer that adopts the above-mentioned washing machine control method.

[0006] In order to achieve the first invention objective, the present invention adopts the following technical solution:

[0007] A control method for a washing machine, wherein the water inlet pipeline of the washing machine comprises a first water inlet section and a second water inlet section, the first water inlet section is a U-shaped tube, one end of which is connected to the water outlet of a distributor box, and the other end is connected to a water inlet through the second water inlet section;

[0008] The control method comprises:

[0009] The washing machine determines whether the next stage is a drying stage. If so, the water inlet valve is opened for a first set time to form a water seal, and then the drying program is executed; if not, a preset program is executed or the washing ends.

[0010] Furthermore, at the end of the drying stage, the inner drum of the washing machine is accelerated to a first set speed and maintained for a second set time, so as to shake out the water stored in the first water inlet section.

[0011] Furthermore, the ratio of the first set rotation speed to the dehydration rotation speed is 40%-50%.

[0012] Furthermore, after the second set time, the washing machine enters a cooling stage to reduce the temperature of the inner drum;

[0013] When the temperature of the inner drum drops to a set temperature, the washing machine reminds the user.

[0014] Furthermore, the washing machine determines the theoretical water intake according to the weight of the clothes, and determines the water storage according to the first water intake section;

[0015] Actual water inflow = theoretical water inflow + water storage.

[0016] In order to achieve the second invention objective, the present invention adopts the following technical solution:

[0017] A washer-dryer adopts the control method of the washing machine mentioned above.

[0018] Further, including:

[0019] A box body, wherein the box body is provided with a front plate, and the front plate is provided with a placement hole for placing clothes;

[0020] An outer cylinder, the outer cylinder is arranged in the box body, and a window gasket is arranged between the end of the outer cylinder facing the front plate and the front plate;

[0021] The water inlet is arranged on the window pad.

[0022] Furthermore, the water inlet is arranged in the upper half of the window mat and on a side of the window mat close to the dispenser box.

[0023] Furthermore, the height of the first water inlet section close to the window mat is lower than the height of the first water inlet section close to the distributor box, but higher than the height of the water inlet provided on the window mat.

[0024] Furthermore, the window mat is also provided with an air inlet for drying air flow, and the air inlet is arranged in the upper half of the window mat and on a side away from the water inlet.

[0025] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0026] 1. The water inlet pipeline in the present invention includes a first water inlet section configured as a U-shaped tube. Before the drying stage, part of the washing water can be temporarily stored in the first water inlet section to form a water seal, thereby preventing water vapor from entering the dispenser box along the water inlet pipeline and causing user complaints.

[0027] 2. After the drying stage, the rotation speed of the inner drum of the present invention increases, driving the water inlet pipeline to shake, thereby shaking the water in the first water inlet section onto the window pad of the washing machine, avoiding the pressure difference generated at the moment of opening the door from squeezing out this part of the water and causing user complaints.

[0028] 3. The present invention further provides a cooling stage after the second set time. On the one hand, it can prevent the user from being scalded by the heat wave in the inner drum when opening the door. On the other hand, during the cooling stage, the water stored in the first water inlet section has completely dripped out, and there is no water dripping when the user opens the door to pick up clothes, thereby further improving the user experience.

[0029] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0031] Figure 1 It is a flow chart of the control method of the present invention;

[0032] Figure 2 It is a structural schematic diagram of the washer-dryer of the present invention.

[0033] Description of the main components in the figure: 1. Water inlet pipe; 11. First water inlet section; 12. Second water inlet section; 2. Distributor box; 21. Water outlet; 3. Window pad; 31. Water inlet; 32. Air inlet; 4. Outer cylinder.

[0034] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0036] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the prior art, when a washer-dryer executes a drying program, water vapor will enter the dispenser box along the water inlet pipe. Since the ambient temperature of the dispenser box is relatively low, the water vapor will condense at the dispenser box. When a user uses the dispenser box, condensed water will spill, and the user experience cannot be guaranteed.

[0039] In view of this, if Figure 1 As shown, the present invention provides a control method for a washing machine, wherein a water inlet pipe 1 of the washing machine comprises a first water inlet section 11 and a second water inlet section 12, wherein the first water inlet section 11 is configured as a U-shaped tube, one end of which is connected to a water outlet end 21 of a distributor box 2, and the other end is connected to a water inlet 31 through the second water inlet section 12.

[0040] The first water inlet section 11 is set as a U-shaped tube. When water enters the first water inlet section 11, a water seal will be formed, and the water vapor in the inner drum of the washing machine cannot enter the distributor box 2 through the water inlet pipe 1, thereby avoiding the generation of condensed water in the distributor box 2 and ensuring the user experience.

[0041] Therefore, the control method of the washing machine of the present invention includes:

[0042] Determine whether the next stage is a drying stage. If so, the water inlet valve is opened for a first set time to form a water seal, and then the drying program is executed; if not, the preset program is executed or the washing ends.

[0043] When the next stage is the drying stage, the water inlet valve is opened for a first set time so that a water seal is formed in the first water inlet section 11. At this time, when the washing machine performs the drying program, the water vapor in the inner drum will not enter the dispenser box 2 due to the obstruction of the water seal.

[0044] When the next stage is not the drying stage, for example, the current stage is the main wash stage, the next stage is the rinsing stage, and the washing machine executes the preset program; when the current stage is the dehydration stage, if the next stage is not the drying stage, there is no subsequent stage, and the entire washing process ends.

[0045] In the main wash stage, the external water source is mixed with the clothes treating agent in the dispenser box 2 at the dispenser box 2, and the mixture of washing water and clothes treating agent flows out of the dispenser box 2. After the mixture of washing water and clothes treating agent flows out of the dispenser box 2, it enters the inner drum of the washing machine through the water inlet pipe 1 to participate in washing;

[0046] However, when the water valve is opened before the drying stage, since the clothing treatment agent in the dispenser box 2 enters the inner drum with the washing water during the main wash stage, only the washing water flows out of the dispenser box 2 at this time. This part of the washing water will be temporarily stored in the first water inlet section 11 of the water inlet pipe 1 to form a water seal.

[0047] Therefore, the corresponding method of adding clothing treatment agent to the washing machine of the present invention is manual addition of clothing treatment agent, or when the washing machine adopts automatic addition, clothing treatment agent is only added in the main wash stage, and clothing treatment agent is not added before the rinsing stage and the subsequent drying stage to avoid soiling the clothes in the inner drum.

[0048] Taking into account that water will inevitably accumulate in the first water inlet section 11 during the water inlet process, the amount of washing water entering the inner drum at this time will be less than the preset amount of washing water. Therefore, in one embodiment of the present invention, in order to avoid the influence of insufficient washing water on the washing effect, the washing machine first determines the theoretical water inlet amount according to the weight of the clothes, determines the water storage amount according to the first water inlet section 11, and then determines the sum of the theoretical water inlet amount and the water storage amount as the actual water inlet amount, that is, the actual water inlet amount of this embodiment = theoretical water inlet amount + water storage amount to ensure the washing effect.

[0049] Specifically, in the main wash stage, firstly, the theoretical main wash water inflow is determined according to the weight of the clothes in the inner drum, and the water storage is determined according to the first water inflow section 11, and then the sum of the theoretical main wash water inflow and the water storage is determined as the actual water inflow in the main wash stage;

[0050] During the rinsing stage, the theoretical rinsing water intake is first determined according to the weight of the clothes in the inner drum, and the water storage is determined according to the first water intake section 11, and then the sum of the theoretical rinsing water intake and the water storage is determined as the actual water intake during the rinsing stage.

[0051] The water storage capacity of the first water inlet section 11 is the water storage capacity in its U-shaped bend. Since the size of the first water inlet section 11 is fixed, its water storage capacity is also a constant value. Therefore, the water storage capacity can be pre-stored in the control unit of the washing machine and can be directly called when calculating the actual water inlet volume, saving the calculation process.

[0052] Alternatively, the washing machine may determine whether to replenish the water intake based on the ratio of the stored water volume to the theoretical water intake volume.

[0053] For example, when the weight of the clothes in the inner drum of the washing machine is large, the corresponding theoretical water intake is also large. At this time, since the water storage in the first water inlet section 11 is a fixed value, the ratio of the water storage to the theoretical water intake is small. The washing machine determines that the current water storage in the first water inlet section 11 has little effect on the washing effect and does not need to replenish the water intake. At this time, the actual water intake of the washing machine = theoretical water intake, and the water intake of the inner drum = theoretical water intake - water storage. Not needing to replenish the water intake can reduce the water intake time to a certain extent, thereby shortening the total time required for washing and improving the user experience.

[0054] When the weight of the clothes in the inner drum of the washing machine is small, the corresponding theoretical water intake is also small. At this time, the ratio of the water storage amount to the theoretical water intake amount is large. The washing machine determines that the influence of the current water storage amount in the first water inlet section 11 on the washing effect cannot be ignored, and replenishes the water intake amount that is the same as the water storage amount. At this time, the actual water intake amount of the washing machine is actual water intake amount = theoretical water intake amount + water storage amount, and the water intake amount of the inner drum = theoretical water intake amount.

[0055] When the user opens the door of the washing machine after the drying stage, the water in the first water inlet section 11 will be pressed out due to the pressure difference, and may even splash onto the user, thereby reducing the user's usage experience.

[0056] Therefore, in one embodiment of the present invention, at the end of the drying stage, the inner drum of the washing machine increases its speed to a first set speed and continues for a second set time. At this time, the water in the first water inlet section 11 is shaken out, thereby preventing this part of the water from splashing out when the user opens the door, thereby reducing the user's experience.

[0057] The washing machine in this embodiment comprises:

[0058] A box body, the box body is provided with a front plate, and the front plate is provided with a placement hole for placing clothes;

[0059] An outer tube 4, the outer tube 4 is arranged in the box body, and a window gasket 3 is arranged between the end of the outer tube 4 facing the front plate and the front plate;

[0060] The water inlet 31 is arranged on the window gasket 3 .

[0061] As the inner drum rotates, the water in the first water inlet section 11 is shaken onto the window pad 3 and then flows into the outer drum 4, which will not dirty the dried clothes in the inner drum, thereby ensuring the user experience.

[0062] Furthermore, in this embodiment, after the second set time, the washing machine enters a cooling stage, during which the temperature of the inner drum gradually decreases, preventing the user from being burned by heat waves when the door is opened directly. Accordingly, in this embodiment, the washing machine is provided with a temperature sensor for detecting the temperature of the inner drum, and when the temperature of the inner drum drops to the set temperature, the washing machine reminds the user to pick up the clothes. The reminder can be a buzzer, or a reminder message can be sent directly to the user's mobile phone or other terminal.

[0063] Furthermore, during the cooling stage, the washing machine can also avoid wrinkles on clothes by alternating the forward and reverse rotation of the inner drum, further ensuring the user experience.

[0064] In this embodiment, the inner drum is accelerated before the cooling stage to shake out the water in the first water inlet section 11. When the cooling stage is over, the user will not see the water dripping when opening the door to pick up the clothes, which can ensure the user's experience.

[0065] The water temporarily stored in the first water inlet section 11 during the rinsing stage will also be shaken from the first water inlet section 11 to the window pad 3 due to the rapid rotation of the inner drum during the dehydration stage. If the user does not select the drying function, when picking up clothes directly after the dehydration stage, the water stored in the first water inlet section 11 has been shaken out and the washing water will not splash out from the water inlet pipe 1 when the door is opened, thereby fully ensuring the user experience.

[0066] Furthermore, in this embodiment, in order to ensure that the washing water in the first water inlet section 11 is shaken out, the ratio of the first set speed to the dehydration speed is set to 40%-50%, preferably 45%.

[0067] like Figure 2 As shown, the present invention also provides a washing and drying machine using the above-mentioned washing machine control method, comprising:

[0068] A box body, wherein a front plate is provided on the box body, and a loading port for loading clothes is provided on the front plate;

[0069] An outer tube 4 is arranged in the box body, and a window gasket 3 is arranged between the end of the outer tube 4 facing the front plate and the front plate;

[0070] The water inlet 31 is provided on the window gasket 3 .

[0071] The water inlet pipeline 1 of the washer-dryer of the present invention further includes a first water inlet section 11 and a second water inlet section 12. The first water inlet section 11 is a U-shaped tube, which is used to form a water seal to prevent the water vapor in the inner drum from entering the distributor box 2 from the water inlet pipeline 1 to form condensed water. One end of the first water inlet section 11 is connected to the water outlet end 21 of the distributor box 2, and the other end is connected to the water inlet 31 provided on the window pad 3 through the second water inlet section 12. The second water inlet section 12 is preferably set as a straight section to shorten the water inlet path and reduce the water inlet time.

[0072] In order to further shorten the water inlet path, the water inlet 31 of the present invention is arranged in the upper half of the window gasket 3 and on a side of the window gasket 3 close to the dispenser box 2 .

[0073] Furthermore, the height of the first water inlet section 11 close to the window pad 3 is lower than the height close to the dispenser box 2 to prevent the washing water from flowing back into the dispenser box 2, and the height of the first water inlet section 11 close to the window pad 3 is greater than the height of the water inlet 31 set on the window pad 3.

[0074] Through the above arrangement, the first water inlet section 11 of the present invention can form a water seal and reduce the amount of water required to form the water seal, thereby reducing the influence of the water storage amount of the first water inlet section 11 on the water inlet amount of the inner drum, and can also avoid as much as possible that this part of the stored water is shaken out of the first water inlet section 11 as the inner drum rotates and soiling the clothes in the inner drum, thereby ensuring the user experience.

[0075] Furthermore, the window pad 3 is also provided with an air inlet 32 ​​for drying air, which is arranged in the upper half of the window pad 3 and on a side away from the water inlet 31. After the drying air enters the inner drum from the air inlet 32, it contacts the clothes in the drum, and the remaining moisture on the clothes in the drum becomes water vapor. Due to the water seal in the first water inlet section 11, this part of the water vapor cannot enter the distributor box 2 from the water inlet pipeline 1 to form condensed water, and can only flow out of the inner drum from the air outlet.

[0076] In one embodiment of the present invention, the washer-dryer performs washing after the user selects a washing program. At this time, the washer-dryer determines the theoretical main wash water intake according to the weight of the clothes in the inner drum and the water storage according to the first water intake section 11, and then determines the sum of the theoretical main wash water intake and the water storage as the actual water intake in the main wash stage;

[0077] After the main wash phase, the washing machine enters the rinsing phase. At this time, the washing and drying machine determines the theoretical rinsing water intake according to the weight of the clothes in its inner drum, and determines the water storage amount according to the first water intake section 11, and then determines the sum of the theoretical rinsing water intake and the water storage amount as the actual water intake of the rinsing phase;

[0078] After the rinsing stage, the dehydration stage begins. During this stage, as the inner drum rotates rapidly, the water stored in the first water inlet section 11 is shaken onto the window pad 3 and then flows into the outer drum 4.

[0079] After the dehydration stage, the washer-dryer determines whether the next stage is the drying stage. If not, washing is ended. As the inner drum rotates, the water in the first water inlet section 11 is shaken out, which prevents this part of the water from splashing out due to the pressure difference when the user opens the door, thereby reducing the user experience.

[0080] If so, the water inlet valve is opened for the first set time, and then the drying program is executed. As the water inlet valve is opened, a water seal is gradually formed in the first water inlet section 11, thereby preventing the water vapor in the inner drum from entering the distributor box 2 from the water inlet pipe 1 during the drying stage to form condensed water.

[0081] After the drying stage, the inner drum of the washer-dryer increases its speed to the first set speed and continues for the second set time, and the ratio of the first set speed to the dehydration speed is 40%-50%, so that the water in the first water inlet section 11 is thrown out again to prevent this part of the water from splashing out under the action of the pressure difference.

[0082] After the second set time, the washer-dryer enters the cooling stage. During this stage, the temperature of the inner drum drops to the set temperature, and the water stored in the first water inlet section 11 completely drips from the water inlet pipe 1, which will not affect the user experience when picking up clothes.

[0083] In another embodiment of the present invention, the user selects the "single drying" program. Before executing the drying program, the water inlet valve is opened for a first set time to form a water seal in the first water inlet section 11 to prevent water vapor from flowing out of the water inlet pipe 1.

[0084] After the drying stage, the inner drum of the washer-dryer increases its speed to a first set speed and continues for a second set time. As the inner drum rotates higher, the water in the first water inlet section 11 is thrown onto the window pad 3 and then flows into the outer drum 4. At this time, when the user opens the door of the washer-dryer to pick up clothes, washing water will not splash out from the water inlet pipe 1, thereby fully ensuring the user experience.

[0085] After the second set time, the washer-dryer enters the cooling stage. During this stage, the temperature of the inner drum drops to the set temperature, and the water stored in the first water inlet section 11 completely drips from the water inlet pipe 1, which will not affect the user experience when picking up clothes.

[0086] With the washer-dryer of the present invention, when the user opens the door, water stored in the U-bend will not splash out from the water inlet pipe 1, and when the user opens the dispenser box 2, condensed water will not drip, thereby fully ensuring the user experience.

[0087] The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation scheme in the above embodiment can also be further combined or replaced. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the solution of the present invention.

Claims

1. A method for controlling a washing machine, characterized in that: The water inlet pipeline of the washing machine includes a first water inlet section and a second water inlet section, wherein the first water inlet section is a U-shaped tube, one end of which is connected to the water outlet of the distributor box, and the other end is connected to the water inlet through the second water inlet section; The control method comprises: The washing machine determines whether the next stage is a drying stage. If so, the water inlet valve is opened for a first set time to form a water seal, and then the drying program is executed; if not, a preset program is executed or the washing ends.

2. A method for controlling a washing machine according to claim 1, characterized in that: At the end of the drying stage, the inner drum of the washing machine increases its speed to a first set speed and lasts for a second set time, so as to shake out the water in the first water inlet section.

3. A method for controlling a washing machine according to claim 2, characterized in that: The ratio of the first set rotation speed to the dehydration rotation speed is 40%-50%.

4. A method for controlling a washing machine according to claim 2, characterized in that: After the second set time, the washing machine enters a cooling stage to reduce the temperature of the inner drum; When the temperature of the inner drum drops to a set temperature, the washing machine reminds the user.

5. A method for controlling a washing machine according to any one of claims 1 to 4, characterized in that: The washing machine determines a theoretical water intake according to the weight of the clothes, and determines a water storage amount according to the first water intake section; Actual water inflow = theoretical water inflow + water storage.

6. A washer-dryer, characterized in that: A control method for a washing machine according to any one of claims 1 to 5 is adopted.

7. A washer-dryer according to claim 6, characterized in that: include: A box body, wherein the box body is provided with a front plate, and the front plate is provided with a placement hole for placing clothes; An outer cylinder, the outer cylinder is arranged in the box body, and a window gasket is arranged between the end of the outer cylinder facing the front plate and the front plate; The water inlet is arranged on the window pad.

8. A washer-dryer according to claim 7, characterized in that: The water inlet is arranged in the upper half of the window mat and on a side of the window mat close to the dispenser box.

9. A washer-dryer according to claim 7, characterized in that: The height of the first water inlet section close to the window mat is lower than the height of the first water inlet section close to the distributor box, but higher than the height of the water inlet provided on the window mat.

10. A washer-dryer according to any one of claims 6 to 9, characterized in that: The window pad is also provided with an air inlet for drying air flow, and the air inlet is arranged in the upper half of the window pad and on a side away from the water inlet.

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