CN106811911B - Drum type washing machine and control method thereof - Google Patents

Abstract

The invention provides a drum type washing machine and a control method thereof. The drum-type washing machine includes: a washing tub; a water mist generating device configured to generate water mist for supplying to the washing tub after the washing machine completes dehydration of the clothes in the washing tub; a mist supply pipeline, which is connected to the water mist generating device and the washing tub, to introduce the water mist into the washing tub; and the washing tub is further configured to turn over at a low speed while the water mist generating device provides the water mist to loosen the laundry. Using the drum type washing machine of the present invention, after the washing is completed, the water mist generating device is turned on to provide water mist formed by fine water particles into the washing tub, and the clothes in the washing tub can be tumbled and sorted, which can effectively remove the wrinkles and the like of the clothes, so as to realize The purpose of clothing leveling.

Description

Drum type washing machine and control method thereof

technical field

The present invention relates to laundry equipment, in particular to a drum type washing machine and a control method thereof.

Background technique

A washing machine is a device that washes laundry by performing washing, rinsing, and spinning processes. According to the washing method, washing machines can be divided into several types, such as pulsator type, stirring type, drum type, etc.

The drum type washing machine uses the mechanical work of the motor to rotate the drum, and the clothes are continuously lifted and dropped in the drum, and the combined action of washing powder and water makes the clothes clean. The existing drum-type washing machine is provided with an outer cylinder, which is arranged inside the shell of the washing machine; the inner cylinder is rotatably arranged in the outer cylinder and is used for storing the clothes to be washed; during the washing process, the inner cylinder is driven to rotate by a motor, The inner clothes are lifted and beaten by the convex ribs arranged on the inner wall of the inner cylinder to realize washing.

After the washing is completed, the inner cylinder can also be driven to rotate quickly, and the centrifugal force is used to achieve dehydration, which is convenient for drying. However, with the existing front-loading type washing machines, when the washing, rinsing, and spin-drying processes are completed, the laundry is wrinkled. Therefore, after taking out the wrinkled clothes from the washing machine, the user needs to iron the clothes to make them flat, which affects the user experience.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a drum type washing machine and a control method thereof that reduce the wrinkles of laundry.

According to one aspect of the present invention, a drum type washing machine is provided. The front-loading washing machine comprises: a washing tub; a water mist generating device configured to generate water mist supplied to the washing tub after the washing machine completes dehydration of the clothes in the washing tub; a mist supply pipeline, which is connected to the water mist generating device and the washing tub, to introduce the water mist into the washing tub; and the washing tub is further configured to turn over at a low speed while the water mist generating device provides the water mist to loosen the laundry.

Optionally, the above-mentioned drum-type washing machine further includes: an atomization box, which is provided with a water inlet, a water outlet, and a mist outlet, the water inlet is connected to the water supply valve of the washing machine, the water outlet is connected to the washing tub, and the mist outlet is connected to the mist supply pipe and the water mist generating device is arranged in the atomizing box.

Optionally, the water inlet is higher than the mist outlet, and the mist outlet is higher than the water outlet; and the water mist generating device is further configured to use the washing water remaining in the atomization box during the washing process to generate water mist.

Optionally, the above-mentioned drum-type washing machine further includes: a detergent delivery box, which is arranged between the water outlet of the atomization box and the washing tub, so that washing water can enter the washing tub through the detergent delivery box.

Optionally, the water mist generating device includes: an ultrasonic atomizer, which is arranged at the bottom of the atomization box, and uses ultrasonic high-frequency oscillation to generate water mist; a heating fan is used to generate an air flow that carries the water mist and supplies it to the mist supply pipeline. and heat the water mist passing through it; and a water level sensor, configured to detect the water level in the atomization box, so that the water mist generating device stops generating water mist when the water level is lower than the preset water level.

Optionally, the above-mentioned drum-type washing machine further includes: a detergent delivery box, which is provided with a water inlet, a water outlet, and a mist outlet, the water inlet is connected to the water supply valve of the washing machine, the water outlet is connected to the washing tub, and the mist outlet is connected to the mist supply. The mist outlet is connected to the mist supply pipeline, the water inlet is higher than the mist outlet, and the mist outlet is higher than the water outlet; and the water mist generating device is arranged in the detergent dispensing box.

Optionally, the water mist generating device includes: an ultrasonic atomizer, which is arranged at the bottom of the detergent dispensing box, and uses ultrasonic high-frequency oscillation to generate water mist by using the washing water remaining in the detergent dispensing box during the washing process; a heating fan, The utility model is used to generate an air flow carrying water mist for supplying to the mist supply pipeline and heat the water mist passing through it; After the water level is set, water mist is stopped.

Optionally, the ultrasonic atomizer is further configured to be activated during the washing machine washing the clothes in the washing tub, so that the detergent in the detergent dispensing box is completely dissolved in the washing water.

According to another aspect of the present invention, a control method of a drum type washing machine is also provided. The control method includes: acquiring a trigger signal that the washing machine completes dehydration of the clothes in its washing tub; triggering the start of a water mist generating device, providing water mist to the washing tub, and controlling the washing tub to turn over at a low speed to loosen the clothes; detecting the occurrence of water mist The water level of the box where the device is located, when the water level is lower than the preset threshold, the water mist generating device is turned off and the washing tub is stopped from turning over.

Optionally, before the washing machine washes the clothes in the washing tub, it further includes: supplying water to the detergent delivery box of the washing machine; triggering the ultrasonic atomizer in the water mist generating device arranged in the detergent delivery box to start, Dissolve the detergent in the detergent dispenser box completely; flush the completely dissolved detergent into the washing tub.

In the drum-type washing machine of the present invention, after washing is completed, the water mist generating device is turned on to provide water mist formed by fine water particles into the washing tub, and the clothes in the washing tub are tumbled and sorted, which can effectively remove the wrinkles of the clothes, so as to realize the realization of the clothes. flattening purpose.

Further, the drum-type washing machine of the present invention uses an ultrasonic atomizer and a heating fan to generate fine water particles, has a simple structure, reduces energy consumption (power saving), and is fast and effective.

Further, the drum-type washing machine of the present invention effectively combines the water mist generating device and the detergent dispensing box, and the water mist generating device is placed in the atomizing box upstream of the detergent dispensing box alone, or the water mist generating device is directly It is placed in the detergent delivery box, and the structure is compact, which saves the space of the washing machine.

The control method of the drum-type washing machine of the present invention can control any of the drum-type washing machines described above, effectively reducing the wrinkles of the clothes and improving the user experience.

The above and other objects, advantages and features of the present invention will be more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of example and not limitation with reference to the accompanying drawings. The same reference numbers in the figures designate the same or similar parts or parts. It will be understood by those skilled in the art that the drawings are not necessarily to scale. In the attached picture:

1 is a schematic system block diagram of a drum type washing machine according to an embodiment of the present invention;

2 is a schematic structural diagram of a drum type washing machine according to an embodiment of the present invention;

Fig. 3 is the schematic diagram of the control method of the drum type washing machine shown in Fig. 2;

FIG. 4 is a schematic structural diagram of a drum type washing machine according to another embodiment of the present invention; and

FIG. 5 is a schematic diagram of a control method of the drum type washing machine shown in FIG. 4 .

Detailed ways

1 is a schematic system block diagram of a drum type washing machine 100 according to an embodiment of the present invention. The drum type washing machine 100 in this embodiment may generally include: a washing tub 130 , a water mist generating device 110 , and a mist supply pipeline 120 . The water mist generating device 110 generates water mist for the washing tub 130 after the washing machine 100 completes the dehydration of the clothes in the washing tub 130; the mist supply pipeline 120 is connected to the water mist generating device 110 and the washing tub 130, so as to introduce the water mist into the washing tub 130. Cartridge 130. The washing tub 130 is turned over at a low speed while the water mist is provided by the water mist generating device 110 to loosen the laundry. In addition, as known to those skilled in the art, the drum type washing machine 100 may further include components such as a washing operation system, a control system, a water inlet system, etc., to complete the processes of washing, rinsing, and deliquoring the laundry.

The above water mist can restore the wrinkled clothes after dehydration to smoothness during the process of turning over at a low speed, avoiding the need for the user to iron the clothes again, improving the user experience and saving the user's time. Specifically, the water mist generating device 110 may include an ultrasonic atomizer 112 and a heating fan 113 . The ultrasonic atomizer 112 uses ultrasonic high-frequency oscillation to generate water mist, and the heating fan 113 generates a water mist that carries water mist and is supplied to the mist supply pipeline 120 . Air flow and heat the water mist passing through it. After the fine water droplets in the heated water mist enter the washing tub 130, the clothes can be restored to a smooth surface, and at the same time, the clothes can be prevented from being too wet.

2 is a schematic structural diagram of a drum-type washing machine 100 according to an embodiment of the present invention. As shown in the figure, the washing tub 130 generally includes an inner tub 132 and an outer tub 131, and the inner tub 132 is rotatably disposed inside the outer tub 131 . A number of openings (not shown in the figure) are opened on the wall of the inner cylinder 132 for placing clothes to be washed therein, and the outer cylinder is connected with a mist supply pipeline 120, a water inlet pipeline 140, and a drainage pipeline 150. . A water inlet valve 141 is provided upstream of the water inlet pipeline 140 to control the water inlet of the washing tub 130 . A drainage pump 151 is provided in the drainage pipeline 150 for discharging sewage.

In addition, the drum type washing machine 100 is further provided with an atomizing box 111 . The atomization box 111 is provided with a water inlet, a water outlet, and a mist outlet, the water inlet is connected to the water supply valve 141 of the washing machine 100, and the water outlet is connected to the washing tub 130;

The water mist generating device 110 may include an ultrasonic atomizer 112 , a heating fan 113 and a water level sensor 114 , wherein the ultrasonic atomizer 112 and the water level sensor 114 are arranged at the bottom of the atomization box 111 , and the heating fan 113 is arranged at the atomization box 111 The position of the upper side wall. The ultrasonic atomizer 112 uses ultrasonic high-frequency oscillation to generate water mist. The heating fan 113 is used to generate the airflow carrying the water mist to the mist supply pipeline 120 and heat the water mist passing through it. In some preferred embodiments, the heating fan 113 can use PTC (ceramic electric heating element) as the heating body , to heat the water mist. The water level sensor 114 detects the water level in the atomization box 111, so that the water mist generating device 110 stops generating water mist when the water level is lower than the preset water level.

The detergent dispensing box 160 may be disposed between the water outlet of the atomizing box 111 and the washing tub 130 , so that washing water can enter the washing tub through the detergent dispensing box 160 . Therefore, during the washing process, the tap water passes through the water inlet valve 141 , the atomizing box 111 , the detergent feeding box 160 , and the washing tub 130 in sequence.

Preferably, the water inlet is higher than the mist outlet, and the mist outlet is higher than the water outlet. The water mist generating device 110 can be configured to use the washing water remaining in the atomization box 111 during the washing process and not entering the detergent dispensing box 160 to generate water. mist, there is no need to additionally supply water for atomization, thereby reducing frequent activation of the water supply valve 141, and avoiding residual water remaining after washing is completed.

FIG. 3 is a schematic diagram of the control method of the drum type washing machine 100 shown in FIG. 2 . The control method of the drum type washing machine 100 may generally include:

Step S302, acquiring a trigger signal that the washing machine 100 completes the dehydration of the clothes in its washing tub 130;

Step S304, triggering the water mist generating device 110 to start, providing water mist to the washing tub 130, and controlling the washing tub 130 to turn over at a low speed to loosen the clothes;

In step S306, the water level of the box where the water mist generating device 110 is located is detected, and when the water level is lower than the preset threshold, the water mist generating device 110 is turned off and the washing tub 130 is stopped from turning over.

The working process of the drum-type washing machine 100 in the above-mentioned embodiment may specifically be as follows:

During the washing process, the tap water passes through the water inlet valve 141 and then enters the atomizing box 111, the detergent dispensing box 160, and the washing tub 130 in sequence for normal washing, dehydration, primary rinsing, dehydration, secondary rinsing, and dehydration processes. The sewage is discharged by the drainage pump 151 through the drainage pipeline 150 .

After each water intake, some clean water will remain in the atomizing box 111. After the last dehydration, the ultrasonic atomizer 112 of the water mist generating device 110 is activated to turn the remaining clean water into fine water particles to form water. The heating fan 113 uses a ceramic rapid heating method or other heating methods to heat the water mist, so that the water mist maintains the temperature without lowering the temperature to form steam that rises through the mist supply pipeline 120 and enters the inner cylinder from the upper part of the outer cylinder. At this time, the inner cylinder is turned over at a low speed or a small amount to shake the clothes away. Since the water mist first rises and then falls and then enters the inner cylinder, the influence of condensation resistance can be avoided.

After the water level in the atomization box 111 is lower than the preset water level, the water level sensor 114 stops atomization and heating by the fan to complete the entire washing process. In this way, low energy consumption can be achieved, the clothes can be sorted to remove wrinkles, and the time-consuming and dry burning problems caused by drying heating or water heating pipes can be avoided.

FIG. 4 is a schematic structural diagram of a drum-type washing machine 100 according to another embodiment of the present invention. Compared with FIG. 3 , the drum-type washing machine 100 of this embodiment cancels the atomizing box 111 , but provides a water mist generating device 110 . in the detergent dispensing box 160 . In this embodiment, the detergent delivery box 160 is provided with a water inlet, a water outlet, and a mist outlet, the water inlet is connected to the water supply valve 141 of the washing machine 100, the water outlet is connected to the washing tub 130, and the mist outlet is connected to the mist supply pipeline 120, the water inlet is higher than the mist outlet, and the mist outlet is higher than the water outlet.

The ultrasonic atomizer 112 and the water level sensor 114 are arranged at the bottom of the detergent delivery box 160 ; the heating fan 113 is arranged on the upper side of the side wall of the detergent delivery box 160 for generating the carrying water mist and supplying it to the mist supply pipeline 120 air flow and heat the water mist passing through it. The rest of the structure is basically similar.

The drum-type washing machine 100 of this embodiment has a simpler and more compact structure, and the ultrasonic atomizer 112 can also be activated during the washing machine 100 washing the clothes in the washing tub 130 to completely dissolve the detergent in the detergent dispensing box 160 in wash water.

FIG. 5 is a schematic diagram of the control method of the drum type washing machine 100 shown in FIG. 4 . The control method of the drum type washing machine 100 may generally include:

Step S502, supplying water to the detergent delivery box 160 of the washing machine 100;

Step S504 triggers the activation of the ultrasonic atomizer 112 in the water mist generating device 110 disposed in the detergent dispensing box 160, so that the detergent in the detergent dispensing box 160 is completely dissolved;

Step S506, flushing the completely dissolved detergent into the washing tub 130 to wash the clothes;

Step S508, acquiring a trigger signal that the washing machine 100 completes the dehydration of the clothes in its washing tub 130;

Step S510, triggering the start of the water mist generating device 110, providing water mist to the washing tub 130, and controlling the washing tub 130 to turn over at a low speed to loosen the clothes;

In step S512, the water level of the box where the water mist generating device 110 is located is detected, and when the water level is lower than a preset threshold, the water mist generating device 110 is turned off and the washing tub 130 is stopped from turning over.

The working process of the drum-type washing machine 100 in the above-mentioned embodiment may specifically be as follows:

During the washing process, the tap water enters the detergent dispensing box 160 after passing through the water inlet valve 141, and the ultrasonic atomizer 112 is activated for a short time, so that the detergent placed in the detergent dispensing box 160 in advance is completely dissolved, and the tap water will dissolve the completely dissolved detergent. The detergent is flushed into the washing tub 130 for normal washing, dehydration, primary rinsing, dehydration, secondary rinsing, and dehydration processes, and the used sewage is discharged by the drainage pump 151 through the drainage pipeline 150 .

After each water feeding, some clean water will remain in the detergent dispensing box 160. After the last dehydration, the ultrasonic atomizer 112 of the water mist generating device 110 is activated to turn the remaining clean water into fine water particles, forming For water mist, the heating fan 113 uses ceramic rapid heating or other heating methods to heat the water mist, so that the water mist maintains the temperature without lowering the temperature to form steam that rises through the mist supply pipeline 120 and enters the inner cylinder from the upper part of the outer cylinder. At this time, the inner cylinder is turned over at a low speed or a small amount to shake the clothes away. Since the water mist first rises and then falls and then enters the inner cylinder, the influence of condensation resistance is avoided.

The water level sensor 114 stops atomization and fan heating after the water level in the detergent delivery box 160 is lower than the preset water level to complete the entire washing process. In this way, low energy consumption can be achieved, the clothes can be sorted to remove wrinkles, and the time-consuming and dry burning problems caused by drying heating or water heating pipes can be avoided. At the same time, it is also possible to avoid residual washing water in the detergent dispensing box 160 after washing is completed.

It can be seen from this that the drum-type washing machine 100 of this embodiment simplifies the structure on the one hand, and reuses the detergent delivery box 160. On the other hand, the ultrasonic atomizer 112 can also be used to improve the solubility of the detergent. Consume while removing wrinkles.

In the drum type washing machine 100 of this embodiment, after the washing is completed, the water mist generating device 110 is turned on to provide water mist formed by fine water particles into the washing tub 130, and the clothes in the washing tub 130 are tumbled and sorted, which can effectively remove the wrinkles of the clothes etc., to achieve the purpose of leveling the clothes. In addition, the ultrasonic atomizer 112 and the heating fan 113 are used to generate fine water particles, the structure is simple, the energy consumption is reduced (power saving), and it is fast and effective. Further, the drum-type washing machine 100 of the present invention can effectively combine the water mist generating device 110 and the detergent dispensing box 160, and the water mist generating device 110 can be placed in the atomizing box 111 upstream of the detergent dispensing box 160 alone, or The water mist generating device 110 is directly placed in the detergent delivery box 160 , the structure is compact, and the space of the washing machine 100 is saved.

By now, those skilled in the art will recognize that, although various exemplary embodiments of the present invention have been illustrated and described in detail herein, the present invention may still be implemented in accordance with the present disclosure without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (8)

1. A drum-type washing machine, comprising: washing tub; a water mist generating device configured to generate water mist for supplying to the washing tub after the washing machine completes the dehydration of the clothes in the washing tub; a mist supply pipeline connecting the water mist generating device and the washing tub to introduce the water mist into the washing tub; and the washing tub is further configured to be turned over at a low speed while the water mist generating device provides water mist to loosen the laundry; The atomization box is provided with a water inlet, a water outlet, and a mist outlet, the water inlet is connected to the water supply valve of the washing machine, the water outlet is connected to the washing tub, and the mist outlet is connected to the mist supply pipeline; and The water mist generating device is arranged in the atomization box. 2. The drum type washing machine according to claim 1, wherein the water inlet is higher than the mist outlet, and the mist outlet is higher than the water outlet; and The water mist generating device is further configured to use the washing water remaining in the atomization box during the washing process to generate the water mist. 3. The drum type washing machine according to claim 1, further comprising: The detergent dispensing box is arranged between the water outlet of the atomizing box and the washing tub, so that washing water can enter the washing tub through the detergent dispensing box. 4. The drum type washing machine according to any one of claims 1 to 3, wherein the water mist generating device comprises: The ultrasonic atomizer is arranged at the bottom of the atomization box, and uses ultrasonic high-frequency vibration to generate the water mist; a heating fan for generating an air flow that carries the water mist to the mist supply line and heats the water mist passing therethrough; and The water level sensor is configured to detect the water level in the atomization box, so that the water mist generating device stops generating the water mist when the water level is lower than a preset water level. 5. A drum-type washing machine, comprising: washing tub; a water mist generating device configured to generate water mist for supplying to the washing tub after the washing machine completes the dehydration of the clothes in the washing tub; a mist supply pipeline, connected to the water mist generating device and the washing tub, so as to introduce the water mist into the washing tub; The detergent dispensing box is provided with a water inlet, a water outlet, and a mist outlet, the water inlet is connected to the water supply valve of the washing machine, the water outlet is connected to the washing tub, and the mist outlet is connected to the water supply a mist pipeline, the water inlet is higher than the mist outlet, and the mist outlet is higher than the water outlet; and The washing tub is further configured to be turned over at a low speed while the water mist is provided by the water mist generating device to loosen the laundry; the water mist generating device is arranged in the detergent dispensing box. 6. The drum type washing machine according to claim 5, wherein the water mist generating device comprises: The ultrasonic atomizer is arranged at the bottom of the detergent dispensing box, and uses ultrasonic high-frequency oscillation to generate the water mist by using the washing water remaining in the detergent dispensing box during the washing process; a heating fan for generating an air flow that carries the water mist to the mist supply line and heats the water mist passing therethrough; and The water level sensor is configured to detect the water level in the detergent dispensing box, so that the water mist generating device stops generating the water mist when the water level is lower than a preset water level. 7. The drum type washing machine according to claim 6, wherein the ultrasonic atomizer is further configured to: The washing machine is activated during the washing process of the laundry in the washing tub, so that the detergent in the detergent dispensing box is completely dissolved in the washing water. 8. A control method for a drum type washing machine, comprising: acquiring a trigger signal that the washing machine completes dehydration of the clothes in its washing tub; Trigger the water mist generating device to start, provide water mist to the washing tub, and control the washing tub to turn over at a low speed to loosen the laundry; Detecting the water level of the box where the water mist generating device is located, and after the water level is lower than a preset threshold, close the water mist generating device and stop the washing tub from turning over; Before the washing machine washes the laundry in the washing tub, it further includes: supplying water into the detergent delivery box of the washing machine; Trigger the start of the ultrasonic atomizer in the water mist generating device arranged in the detergent dispensing box, so that the detergent in the detergent dispensing box is completely dissolved; Flush completely dissolved detergent into the wash tub.

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