CN115748205A

CN115748205A - Drying system of drying equipment, control method and drying equipment

Info

Publication number: CN115748205A
Application number: CN202211402976.2A
Authority: CN
Inventors: 潘永坤; 杨龙; 侯永顺; 李涛; 宿日升; 李思皓
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-07

Abstract

The invention relates to the technical field of clothes treatment, and particularly provides a drying system of drying equipment, a control method and the drying equipment, aiming at solving the problem that the existing drying equipment needs longer cooling time after the clothes are dried. Therefore, the drying system comprises a drying air duct, a fan, an air inlet pipeline and an air outlet pipeline, wherein two ends of the air inlet pipeline are respectively communicated with the outside of the box body of the drying device and the drying air duct and are positioned at the upstream end of the fan, and two ends of the air outlet pipeline are respectively communicated with the outside of the box body and the drying air duct and are positioned at the downstream end of the fan. Through such setting, can be after the clothing is dried, inside introducing the box with the outside cold air of box through the inlet air pipeline to discharge the outside of box with the inside high-temperature gas of box through the outlet air pipeline, thereby cool off with higher speed, greatly reduced the cool time, in addition, through increasing the new trend function, can also realize dehumidification, dry clothing and remove the effect of flavor, reduce bacterial growing in the section of thick bamboo.

Description

Drying system of drying equipment, control method and drying equipment

Technical Field

The invention relates to the technical field of clothes treatment, and particularly provides a drying system of drying equipment, a control method and the drying equipment.

Background

Drying equipment is equipment capable of drying clothes, and common drying equipment includes a clothes dryer, a washing and drying integrated machine and the like.

Taking the washing and drying all-in-one machine as an example, the existing washing and drying all-in-one machine can wash clothes and dry the clothes after the washing is finished, however, after the clothes are dried, the washing and drying all-in-one machine has higher temperature, and can be cooled down in a longer time, so that the serious time waste is caused, and the user experience is not good.

Therefore, there is a need in the art for a new solution to the above problems.

Disclosure of Invention

The present invention is directed to solve the above technical problems, that is, to solve the problem that the existing drying apparatus needs a long cooling time after the drying of the laundry is finished.

In a first aspect, the present invention provides a drying system of a drying device, where the drying system includes a drying air duct and a fan mounted on the drying air duct, the drying system further includes an air inlet pipeline and an air outlet pipeline, one end of the air inlet pipeline is communicated with the outside of a box body of the drying device, the other end of the air inlet pipeline is communicated with the drying air duct and is located at an upstream end of the fan, one end of the air outlet pipeline is communicated with the outside of the box body of the drying device, and the other end of the air outlet pipeline is communicated with the drying air duct and is located at a downstream end of the fan.

In an optimal technical scheme of the drying system of the drying device, the drying air duct is provided with a first communication hole at the downstream end of the fan, and the first communication hole is communicated with the other end of the air outlet pipeline and is opposite to the air outlet end of the fan.

In a preferred technical solution of the drying system of the above drying apparatus, one end of the air outlet pipeline extends to a front panel of the box body, a second communication hole is provided on the front panel, and the air outlet pipeline is communicated with the outside of the box body by means of the second communication hole.

In an optimal technical scheme of the drying system of the drying equipment, the air outlet pipeline extends to the front panel along the horizontal direction.

In a preferred technical solution of the drying system of the above drying apparatus, an air deceleration structure is disposed at one end of the air outlet duct to reduce a speed of the air flow discharged from the air outlet duct.

In a preferred technical solution of the drying system of the above drying apparatus, one end of the air inlet pipeline extends to a back plate of the box body, the back plate is provided with a third communication hole, and the air inlet pipeline is communicated with the outside of the box body by means of the third communication hole.

In a preferred technical scheme of the drying system of the drying device, one end of the air inlet pipeline is provided with an air acceleration structure to increase the speed of the airflow entering the air inlet pipeline.

In an optimal technical scheme of the drying system of the drying device, the drying air duct is provided with a fourth communication hole at the upstream end of the fan, and the fourth communication hole is communicated with the other end of the air inlet pipeline and is close to the air inlet end of the fan.

In a preferred technical solution of the drying system of the above drying apparatus, the drying system further includes a first electric control valve installed on the air intake pipeline, and the first electric control valve is used for controlling an on-off state of the air intake pipeline.

In an optimal technical scheme of the drying system of the drying device, the drying system further includes a second electric control valve installed on the air outlet pipeline, and the second electric control valve is used for controlling the on-off state of the air outlet pipeline.

In a second aspect, the present invention also provides a drying apparatus, which includes the above drying system.

In the preferable technical scheme of the drying equipment, the drying equipment is a clothes dryer or a washing and drying integrated machine.

In a third aspect, the present invention also provides a control method for a drying apparatus, the drying apparatus being the above drying apparatus, the control method comprising the steps of: in the process that the drying equipment dries clothes, the air inlet pipeline and the air outlet pipeline are disconnected; and after the drying equipment finishes drying the clothes, connecting the air inlet pipeline and the air outlet pipeline and enabling the fan to continuously operate.

In a preferred embodiment of the above control method, the control method further includes: in the process that the drying equipment dries clothes, the fan is enabled to operate according to a first set wind speed; after the drying equipment finishes drying the clothes, enabling the fan to operate according to a second set wind speed; wherein the first set wind speed is greater than the second set wind speed.

In a preferred embodiment of the above control method, the control method further includes: and when the time after the drying program is finished reaches the set time and the clothes in the drying equipment are not taken out, connecting the air inlet pipeline and the air outlet pipeline and starting the fan to operate again.

Under the condition of adopting the technical scheme, the invention can introduce cold air outside the box body into the box body through the air inlet pipeline and discharge high-temperature gas inside the box body to the outside of the box body through the air outlet pipeline after the clothes are dried, thereby accelerating cooling and greatly reducing cooling time.

Furthermore, the drying air duct is provided with a first communication hole at the downstream end of the fan, and the first communication hole is communicated with the other end of the air outlet pipeline and is arranged opposite to the air outlet end of the fan. Through such setting for the direction of first through-hole is unanimous with the flow direction of air current, and the kinetic energy of ability make full use of air current increases the airflow that gets into the air outlet pipeline, discharges more high temperature air to the outside of box, thereby can advance one and reduce the cooling time.

Still further, one end of the air outlet pipeline extends to the front panel of the box body, a second communication hole is formed in the front panel, and the air outlet pipeline is communicated with the outside of the box body through the second communication hole. Through such setting, be more favorable to making the air current discharge along the air-out pipeline.

Still further, one end of the air outlet pipeline is provided with an air speed reducing structure to reduce the speed of the air flow discharged from the air outlet pipeline. Through such setting, can avoid leading to the fact the influence to the user from air-out pipeline exhaust stream.

Still further, one end of the air inlet pipeline is provided with an air acceleration structure so as to increase the speed of the airflow entering the air inlet pipeline. By means of the arrangement, more cold air can enter the air inlet pipeline.

In addition, the drying equipment further provided on the basis of the technical scheme of the invention comprises the drying system, so that the drying equipment further has the technical effects of the drying system, and compared with the drying equipment before improvement, the drying equipment can finish cooling in a shorter time after drying is finished.

Drawings

Preferred embodiments of the present invention are described below in conjunction with a washer dryer and the accompanying drawings thereof, in which:

FIG. 1 is a schematic structural view of a first embodiment of the integrated washer dryer of the invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

FIG. 4 is a schematic structural view of a second embodiment of the integrated washer dryer of the invention;

FIG. 5 is an enlarged schematic view at C in FIG. 4;

FIG. 6 is an enlarged schematic view at D of FIG. 4;

FIG. 7 is a flow chart of a control method for a washer dryer of the present invention;

FIG. 8 is a flow chart of the operation of the washer dryer of the present invention.

List of reference numerals:

1. a box body; 11. a front panel; 12. a back plate; 111. a second communication hole; 121. a third communication hole; 2. an outer cylinder; 3. an inner barrel; 4. a drying air duct; 41. a first communication hole; 42. a fourth communication hole; 4A, a condensation air duct; 4B, heating an air duct; 5. a fan; 6. an air inlet pipeline; 61. a gas acceleration structure; 7. an air outlet pipeline; 71. a gas deceleration structure; 81. a heater; 82. a condenser; 83. an evaporator; 91. a first electrically controlled valve; 92. a second electrically controlled valve.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

For example, although the following embodiments are described in conjunction with a washing and drying machine, the technical solution of the present invention is also applicable to other types of drying equipment, such as a clothes dryer, etc., and such modifications and changes to the applicable objects are not departing from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "mounted" are to be construed broadly and may be, for example, a fixed connection, a detachable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The problem that the prior washing and drying integrated machine needs longer cooling time after clothes drying is finished is pointed out based on the background technology. The invention provides a drying system of a washing and drying integrated machine, a control method and the washing and drying integrated machine, aiming at introducing cold air outside a box body into the box body after clothes are dried by arranging an air inlet pipeline and an air outlet pipeline which are communicated with the outside of the box body so as to accelerate cooling and reduce cooling time.

Specifically, the washing and drying integrated machine comprises a box body, a clothes drying drum and a drying system, wherein the clothes drying drum and the drying system are installed in the box body, and the drying system can convey hot air into the clothes drying drum so as to dry clothes in the clothes drying drum.

The drying system comprises a drying air duct, a fan, an air inlet pipeline and an air outlet pipeline, wherein the fan is arranged on the drying air duct, one end of the air inlet pipeline is communicated with the outside of a box body of the washing and drying integrated machine, the other end of the air inlet pipeline is communicated with the drying air duct and is positioned at the upstream end of the fan, one end of the air outlet pipeline is communicated with the outside of the box body of the washing and drying integrated machine, and the other end of the air outlet pipeline is communicated with the drying air duct and is positioned at the downstream end of the fan.

Through setting up the outside intercommunication of air inlet pipeline and air-out pipeline with stoving wind channel and box, after the clothing dries, can introduce the box inside with the outside cold air of box through the air inlet pipeline to discharge the outside of box with the inside high-temperature gas of box through the air-out pipeline, thereby cool off with higher speed, greatly reduced the cool time.

The technical solution of the present invention will be described in detail below with reference to three specific embodiments.

Example one

A first embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

The embodiment provides a washing and drying all-in-one machine, as shown in fig. 1, the washing and drying all-in-one machine of the embodiment comprises a box body 1, an outer cylinder 2, an inner cylinder 3 and a drying system, wherein the outer cylinder 2, the inner cylinder 3 and the drying system are arranged in the box body 1, and the inner cylinder 3 is rotatably arranged in the outer cylinder 2.

Wherein, drying system includes stoving wind channel 4, fan 5, air-supply line 6 and air-out pipeline 7, and fan 5 installs on stoving wind channel 4, and the one end of air-supply line 6 and the outside intercommunication of box 1, the other end of air-supply line 6 and the upstream end that the wind channel 4 intercommunication of drying just is located fan 5, and the one end of air-out pipeline 7 and the outside intercommunication of box 1, the other end of air-out pipeline 7 and the downstream end that the wind channel 4 intercommunication of drying just is located fan 5.

Illustratively, as shown in fig. 1, the drying air duct 4 includes a condensing air duct 4A and a heating air duct 4B, the fan 5 is installed between the condensing air duct 4A and the heating air duct 4B, one end of the condensing air duct 4A is communicated with the rear portion of the inner tube 3, the other end of the condensing air duct 4A is communicated with the air inlet end of the fan 5, one end of the heating air duct 4B is communicated with the air outlet end of the fan 5, the other end of the heating air duct 4B is communicated with the front end of the inner tube 3, that is, the condensing air duct 4A is located at the upstream end of the fan 5, the heating air duct 4B is located at the downstream end of the fan 5, and the heater 81 is disposed in the heating air duct 4B.

In the process of drying the clothes, under the action of the fan 5, the air flow circularly flows along the inner drum 3, the condensation air duct 4A and the heating air duct 4B, moisture carried by the damp and hot air is condensed in the process of flowing through the condensation air duct 4A to become dry air, and the dry air is heated by a heater 81 arranged in the heating air duct 4B in the process of flowing through the heating air duct 4B to become hot air, and the hot air is blown into the inner drum 3 to dry the clothes in the inner drum 3.

The other end of the air inlet pipeline 6 is communicated with the condensation air duct 4A, the other end of the air outlet pipeline 7 is communicated with the heating air duct 4B, after clothes are dried, the fan 5 continues to operate, but the heater 81 arranged in the heating air duct 4B stops operating, under the action of the fan 5, cold air outside the box body 1 enters the condensation air duct 4A along the air inlet pipeline 6 and enters the heating air duct 4B after being mixed with high-temperature gas in the condensation air duct 4A, when the mixed gas flows through the joint of the heating air duct 4B and the air outlet pipeline 7, a part of gas continues to flow into the inner barrel 3 along the heating air duct 4B, and a part of gas is discharged to the outside of the box body 1 along the air inlet pipeline 6, so that two circulations of the inside and the outside are formed inside the box body 1.

It should be noted that, the air inlet pipeline 6 and the air outlet pipeline 7 are arranged to communicate the drying air duct 4 with the outside of the box body 1, which not only can achieve the above-described functions, but also has other functions.

For example, if the user does not select a drying program, the effects of dehumidification, clothes drying and odor removal can be realized by arranging the air inlet pipeline 6 and the air outlet pipeline 7, and the bacterial growth in the cylinder is reduced.

Specifically, after the user washes the clothes, the inside of the drum is wet, the fan 5 is started at the moment, the air flow exchange between the inside of the drum and the external environment is enhanced, the drying air duct 4, the air inlet pipeline 6 and the air outlet pipeline 7 form an inner circulation and an outer circulation, the two circulations have different functions, the inner circulation is large in air volume and high in air speed, the moisture on the surface of the clothes can be quickly taken away, the outer circulation mainly has the function of discharging the moisture, the air in the drum is prevented from reaching a saturated state, the moisture on the surface of the clothes can be continuously taken away, the environment in the drum is dried, and peculiar smell, mold and the like are prevented from being generated; in addition, if the user does not take out the clothes in time after washing the clothes, especially at night, the fan 5 is started at the moment and is matched with the inner drum 3 to rotate, so that clothes wrinkles can be avoided, the water content of the clothes is reduced, and the effect of wearing a small amount of clothes at the earliest moment can be realized; therefore, the fresh air work can be operated under the conditions of low noise and low power consumption.

Preferably, as shown in fig. 1, the drying air duct 4 is provided with a first communicating hole 41 at a downstream end of the fan 5, and the first communicating hole 41 is communicated with the other end of the air outlet pipeline 7 and is arranged opposite to an air outlet end of the fan 5.

The air outlet ends of the first communication holes 41 and the fan 5 are arranged oppositely, so that the direction of the first communication holes 41 is consistent with the flowing direction of the air flow, the kinetic energy of the air flow can be fully utilized, the air flow entering the air outlet pipeline 7 is increased, more high-temperature air is discharged to the outside of the box body 1, and the cooling time can be shortened.

Illustratively, as shown in fig. 1, the heating air duct 4B at the downstream end of the fan 5 includes a horizontal portion and an inclined portion connected to each other, the right end of the horizontal portion is communicated with the air outlet end of the fan 5, the lower end of the inclined portion is communicated with the inner barrel 3, the first communicating hole 41 is disposed on the wall of the inclined portion, the first communicating hole 41 and the air outlet end of the fan 5 are located on the same horizontal plane, and the two are disposed opposite to each other in the horizontal direction.

Preferably, as shown in fig. 1, one end of the air outlet pipe 7 extends to the front panel 11 of the box body 1, the front panel 11 is provided with a second communication hole 111, and the air outlet pipe 7 is communicated with the outside of the box body 1 through the second communication hole 111.

By communicating the air-out duct 7 with the outside of the case 1 through the second communication hole 111 provided on the front panel 11 of the case 1, it is more advantageous to discharge the air flow along the air-out duct 7.

Illustratively, as shown in fig. 1, a first communication hole 41 is provided on the heating air duct 4B, a second communication hole 111 is provided on the front panel 11 of the box 1, the right end of the air outlet pipe 7 is communicated with the first communication hole 41, the left end of the air outlet pipe 7 is communicated with the second communication hole 111, the air flow discharged from the air outlet end of the fan 5 flows from right to left along the heating air duct 4B, after flowing through the first communication hole 41, part of the air flow enters the air outlet pipe 7 through the first communication hole 41 and then continues to flow to left along the air outlet pipe 7, the flow direction of the air flow is not greatly changed, and the air flow is smoother.

Further preferably, as shown in fig. 1, the air outlet duct 7 extends to the front panel 11 in the horizontal direction.

By extending the air outlet duct 7 to the front panel 11 in the horizontal direction, it is more advantageous to discharge the air flow along the air outlet duct 7.

Illustratively, as shown in fig. 1, the first communication hole 41 and the second communication hole 111 are located at the same horizontal plane, and the flow direction of the air flow in the heating air duct 4B is kept unchanged after the air flow enters the air outlet pipeline 7, so that the air flow is smoother.

Preferably, as shown in fig. 1 and 2, one end of the air-out pipe 7 is provided with a gas deceleration structure 71 to reduce the speed of the air flow discharged from the air-out pipe 7.

The air outlet speed is reduced by arranging the air speed reducing structure 71 at the air outlet end of the air outlet pipeline 7, so that the influence of air flow discharged from the air outlet pipeline 7 on a user can be avoided.

Illustratively, as shown in fig. 1 and 2, the left end of the air outlet pipe 7 is provided as a bell mouth, and the end with a larger caliber of the bell mouth is communicated with the second communication hole 111 provided on the front panel 11, and the bell mouth forms the gas deceleration structure 71.

Preferably, as shown in fig. 1, one end of the air inlet duct 6 extends to the back plate 12 of the cabinet 1, the back plate 12 is provided with a third communication hole 121, and the air inlet duct 6 communicates with the outside of the cabinet 1 through the third communication hole 121.

The air inlet pipeline 6 is communicated with the outside of the box body 1 through the third communicating hole 121 arranged on the back plate 12, so that the length of the air inlet pipeline 6 is favorably reduced, and the influence on the attractiveness of the box body 1 can be avoided.

Preferably, as shown in fig. 1 and 3, one end of the air intake duct 6 is provided with a gas acceleration structure 61 to increase the speed of the air flow entering the air intake duct 6.

The air inlet speed is improved by arranging the air acceleration structure 61 at the air inlet end of the air inlet pipeline 6, so that more cold air can enter the air inlet pipeline 6.

Illustratively, as shown in fig. 1 and 3, the right end of the air outlet pipe 7 is provided as a bell mouth, and the end with a larger caliber of the bell mouth is communicated with the third communication hole 121 provided on the back plate 12, and the bell mouth forms the gas speed increasing structure 61.

Preferably, as shown in fig. 1 and 3, the drying duct 4 is provided with a fourth communication hole 42 at the upstream end of the fan 5, and the fourth communication hole 42 is communicated with the other end of the air inlet pipeline 6 and is arranged near the air inlet end of the fan 5.

By providing the fourth communication hole 42 communicating with the intake duct 6 at a position close to the air intake end of the blower 5, more cool air can be sucked.

Illustratively, as shown in fig. 1 and 3, the third communication hole 121 and the fourth communication hole 42 are located on the same horizontal plane, and the intake duct 6 extends in the horizontal direction with a short path.

Preferably, as shown in fig. 1 and fig. 3, the drying system of the present embodiment further includes a first electrically controlled valve 91 installed on the air intake duct 6, and the first electrically controlled valve 91 is used for controlling the on-off state of the air intake duct 6.

The first electric control valve 91 is electrically connected with the controller of the washing and drying integrated machine, and in the process of drying clothes by the washing and drying integrated machine, the controller can control the first electric control valve 91 to disconnect the air inlet pipeline 6 and forbid the drying air duct 4 from being communicated with the outside of the box body 1 through the air inlet pipeline 6, so that the influence on the drying efficiency of the clothes due to the entering of cold air can be avoided.

After the clothes are dried, the controller controls the first electrically controlled valve 91 to connect the air inlet pipeline 6, so that the air inlet pipeline 6 communicates the drying air duct 4 with the outside of the box body 1, and cold air outside the box body 1 is introduced.

Preferably, as shown in fig. 1 and fig. 2, the drying system of the present embodiment further includes a second electrically controlled valve 92 installed on the air outlet duct 7, and the second electrically controlled valve 92 is used for controlling the on-off state of the air outlet duct 7.

The second electric control valve 92 is electrically connected with the controller of the washing and drying integrated machine, and in the process of drying clothes by the washing and drying integrated machine, the controller can control the second electric control valve 92 to disconnect the air outlet pipeline 7, and the drying air duct 4 is forbidden to be communicated with the outside of the box body 1 through the air outlet pipeline 7, so that the influence on the drying efficiency of the clothes due to the loss of hot air can be avoided.

After the clothes are dried, the controller controls the second electrically controlled valve 92 to connect the air inlet pipeline 6, so that the air outlet pipeline 7 communicates the drying air duct 4 with the outside of the cabinet 1, and hot air inside the cabinet 1 is exhausted.

Example two

A second embodiment of the present invention will be described in detail with reference to fig. 4 to 6.

In the present embodiment, another integrated washing and drying machine is provided, as shown in fig. 4, the integrated washing and drying machine of the present embodiment includes a box 1, and an outer tub 2, an inner tub 3 and a drying system which are arranged in the box 1, wherein the inner tub 3 is rotatably arranged in the outer tub 2.

Wherein, the drying system of this embodiment is heat pump drying system, heat pump drying system includes stoving wind channel 4, fan 5, air-supply line 6 and air-out pipeline 7, fan 5 installs on stoving wind channel 4, the one end of air-supply line 6 and the outside intercommunication of box 1, the other end of air-supply line 6 and stoving wind channel 4 intercommunication and be located the upstream end of fan 5, the one end of air-out pipeline 7 and the outside intercommunication of box 1, the other end of air-out pipeline 7 and stoving wind channel 4 intercommunication and be located the low reaches end of fan 5.

As shown in fig. 4, the heat pump drying system of the present embodiment further includes a compressor (not shown), a condenser 82 and an evaporator 83 connected in sequence, wherein the evaporator 83 and the condenser 82 are installed in the drying air duct 4, moisture carried by the hot and humid air is condensed when the hot and humid air flows through the evaporator 83, so that the hot and humid air is changed into dry air, the dry air is heated when the hot and humid air flows through the condenser 82, so that the dry air is changed into hot air, and the hot air is blown into the inner drum 3, so as to dry the clothes in the inner drum 3.

Illustratively, as shown in fig. 4, one end of the drying air duct 4 communicates with the rear portion of the inner drum 3, the other end of the drying air duct 4 communicates with the front end of the inner drum 3, and the evaporator 83, the condenser 82, and the fan 5 are disposed in the drying air duct 4 along the flow direction of the air flow.

In the process of drying the laundry, under the action of the fan 5, the air current circularly flows along the inner drum 3 and the drying air duct 4, moisture carried by the hot and humid air is condensed when the hot and humid air flows through the evaporator 83, so that the hot and humid air is changed into dry air, the dry air is heated when the hot and humid air flows through the condenser 82, so that the dry air is changed into hot air, and the hot air is blown into the inner drum 3 to dry the laundry located in the inner drum 3.

After the clothes are dried, the fan 5 continues to operate, but the compressor stops operating, the condenser 82 does not heat air any more, under the action of the fan 5, cold air outside the box body 1 enters the drying air duct 4 along the air inlet pipeline 6, the cold air is mixed with high-temperature air in the drying air duct 4 and then continues to flow along the drying air duct 4, when the mixed air flows through the joint of the drying air duct 4 and the air outlet pipeline 7, a part of air continues to flow into the inner barrel 3 along the drying air duct 4, and the other part of air is discharged to the outside of the box body 1 along the air inlet pipeline 6, so that an inner circulation and an outer circulation are formed inside the box body 1.

Specifically, after a user washes clothes, the inside of the drum is damp, the fan 5 is started at the moment, airflow exchange between the inside of the drum and the external environment is enhanced, the drying air duct 4, the air inlet pipeline 6 and the air outlet pipeline 7 form an inner circulation and an outer circulation, the two circulations have different functions, the inner circulation is large in air volume and high in air speed, moisture on the surface of the clothes can be taken away quickly, the outer circulation mainly has the function of discharging the moisture, the air in the drum is prevented from reaching a saturated state, the moisture on the surface of the clothes can be taken away continuously, the environment in the drying drum is prevented from generating peculiar smell and mould, and the like; in addition, if the user does not take out the clothes in time after washing the clothes, especially at night, the fan 5 is started at the moment and is matched with the inner drum 3 to rotate, so that clothes wrinkles can be avoided, the water content of the clothes is reduced, and the effect of wearing a small amount of clothes at the earliest moment can be realized; therefore, the fresh air work can be operated under the conditions of low noise and low power consumption.

Preferably, as shown in fig. 4, the drying air duct 4 is provided with a first communicating hole 41 at a downstream end of the fan 5, and the first communicating hole 41 is communicated with the other end of the air outlet pipeline 7 and is arranged opposite to an air outlet end of the fan 5.

Through making first through-hole 41 and fan 5's air-out end set up relatively for the direction of first through-hole 41 is unanimous with the flow direction of air current, and the kinetic energy that can make full use of air current increases the airflow that gets into air-out pipeline 7, discharges more high temperature air to the outside of box 1, thereby can advance one and reduce the cool time.

Illustratively, as shown in fig. 4, the drying air duct 4 located at the downstream end of the fan 5 includes a horizontal portion and an inclined portion connected to each other, the right end of the horizontal portion is communicated with the air outlet end of the fan 5, the lower end of the inclined portion is communicated with the inner barrel 3, the first communication hole 41 is disposed on the wall of the inclined portion, the first communication hole 41 and the air outlet end of the fan 5 are located on the same horizontal plane, and the two are disposed opposite to each other in the horizontal direction.

Preferably, as shown in fig. 4, one end of the air outlet pipe 7 extends to the front panel 11 of the box body 1, the front panel 11 is provided with a second communication hole 111, and the air outlet pipe 7 is communicated with the outside of the box body 1 via the second communication hole 111.

Illustratively, as shown in fig. 4, a first communication hole 41 is provided on the drying air duct 4, a second communication hole 111 is provided on the front panel 11 of the box 1, the right end of the air outlet pipe 7 is communicated with the first communication hole 41, the left end of the air outlet pipe 7 is communicated with the second communication hole 111, the air flow discharged from the air outlet end of the fan 5 flows from right to left along the drying air duct 4, after flowing through the first communication hole 41, a part of the air flow enters the air outlet pipe 7 through the first communication hole 41, and then continues to flow from left along the air outlet pipe 7, the flow direction of the air flow is not greatly changed, and the air flow is smoother.

Further preferably, as shown in fig. 4, the air outlet duct 7 extends to the front panel 11 in the horizontal direction.

For example, as shown in fig. 4, the first communicating hole 41 and the second communicating hole 111 are located at the same horizontal plane, and after the airflow in the drying duct 4 enters the air outlet duct 7, the flowing direction is kept unchanged, and the airflow flows more smoothly.

Preferably, as shown in fig. 4 and 5, one end of the air outlet pipe 7 is provided with a gas deceleration structure 71 to reduce the velocity of the air flow discharged from the air outlet pipe 7.

Illustratively, as shown in fig. 4 and 5, the left end of the air outlet pipe 7 is provided as a bell mouth, and the end with a larger caliber of the bell mouth is communicated with the second communication hole 111 provided on the front panel 11, and the bell mouth forms the gas deceleration structure 71.

Preferably, as shown in fig. 4, one end of the intake duct 6 extends to the back plate 12 of the case 1, the back plate 12 is provided with a third communication hole 121, and the intake duct 6 communicates with the outside of the case 1 through the third communication hole 121.

Preferably, as shown in fig. 4 and 6, one end of the air inlet duct 6 is provided with a gas acceleration structure 61 to increase the speed of the air flow entering the air inlet duct 6.

Illustratively, as shown in fig. 4 and 6, the right end of the air outlet pipeline 7 is provided with a bell mouth, and the end with a larger caliber of the bell mouth is communicated with the third communication hole 121 arranged on the back plate 12, and the bell mouth forms the gas speed increasing structure 61.

Preferably, as shown in fig. 4 and fig. 6, the drying system of the present embodiment further includes a first electrically controlled valve 91 installed on the air intake duct 6, and the first electrically controlled valve 91 is used for controlling the on-off state of the air intake duct 6.

After the clothes are dried, the controller controls the first electrically controlled valve 91 to connect the air inlet pipeline 6, so that the air inlet pipeline 6 communicates the drying air duct 4 with the outside of the cabinet 1, so as to introduce cold air outside the cabinet 1.

Preferably, as shown in fig. 4 and 5, the drying system of the present embodiment further includes a second electrically controlled valve 92 installed on the air outlet pipeline 7, and the second electrically controlled valve 92 is used for controlling the on-off state of the air outlet pipeline 7.

After the clothes are dried, the controller controls the second electrically controlled valve 92 to connect the air inlet pipeline 6, so that the air outlet pipeline 7 communicates the drying air duct 4 with the outside of the box body 1, and hot air in the box body 1 is exhausted.

EXAMPLE III

A third embodiment of the present invention will be described in detail with reference to fig. 7.

Based on the washing and drying all-in-one machine introduced in the first embodiment and the second embodiment, the embodiment provides a control method of the washing and drying all-in-one machine.

As shown in fig. 7, the control method of the present embodiment includes the steps of:

s100: in the process of drying clothes by the washing and drying integrated machine, the air inlet pipeline 6 and the air outlet pipeline 7 are disconnected.

S200: after the washing and drying integrated machine finishes drying the clothes, the air inlet pipeline 6 and the air outlet pipeline 7 are communicated, and the fan 5 is enabled to continue to operate.

For example, as shown in fig. 1 to 6, a first electrically controlled valve 91 and a second electrically controlled valve 92 are respectively disposed on the air inlet pipeline 6 and the air outlet pipeline 7, and both the first electrically controlled valve 91 and the second electrically controlled valve 92 are electrically connected to a controller of the washing and drying integrated machine.

In the process of drying the clothes by the washing and drying integrated machine, the controller controls the first electric control valve 91 and the second electric control valve 92 to respectively disconnect the air inlet pipeline 6 and the air outlet pipeline 7, and forbids the drying air duct 4 from being communicated with the outside of the box body 1, so that the influence on the drying efficiency of the clothes due to the entering of cold air and the loss of hot air can be avoided.

After the clothes are dried, the controller controls the first electric control valve 91 and the second electric control valve 92 to respectively connect the air inlet pipeline 6 and the air outlet pipeline 7, so that the drying air duct 4 is communicated with the outside of the box body 1, cold air outside the box body 1 is introduced, and hot air inside the box body 1 is discharged.

Preferably, the control method of the present embodiment further includes: in the process of drying clothes by the washing and drying integrated machine, the fan 5 is operated according to a first set wind speed; after the washing and drying integrated machine finishes drying the clothes, the fan 5 is operated according to a second set air speed; wherein the first set wind speed is greater than the second set wind speed.

Through the arrangement, when fresh air is introduced, the washing and drying integrated machine can run under the conditions of low noise and low power consumption.

Illustratively, the fan 5 includes a high wind level, a medium wind level and a high wind level, and during the drying of the laundry, the fan 5 is operated at the medium wind level or the high wind level, and after the drying of the laundry is finished, the fan 5 is switched to the low wind level.

Preferably, the control method of the present embodiment further includes: when the time after the drying program is finished reaches the set time and the clothes in the washing and drying integrated machine are not taken out, the air inlet pipeline 6 and the air outlet pipeline 7 are communicated, and the fan 5 is started to operate again.

Through the arrangement, when a user forgets to take out clothes from the washing and drying integrated machine, the clothes in the washing and drying integrated machine can be prevented from being damped, and peculiar smell is generated.

It should be noted that, in practical applications, a person skilled in the art may set the specific value of the set time according to experiments or experience, for example, the set time may be set to 30 minutes, 60 minutes, 120 minutes, and so on.

Finally, referring to fig. 8, the working flow of the washing and drying integrated machine of the present invention is described, as shown in fig. 8, before the washing and drying integrated machine operates, a user selects a washing program, which includes whether to start a drying function and whether to start a fresh air function.

If the user selects to start the drying function, the drying function is started according to the path on the rightmost side, the washing and drying integrated machine operates according to the sequence of washing, dewatering and drying, then the fresh air function is operated, namely the first electric control valve 91 and the second electric control valve 92 are controlled to respectively connect the air inlet pipeline 6 and the air outlet pipeline 7, the temperature is reduced by introducing cold air, when the temperature is reduced to the set temperature, the operation is stopped, and the clothes are taken out by the user.

If the user does not select to start the drying function, but selects to start the fresh air function, the washing and drying integrated machine works according to the middle path, the washing and drying integrated machine runs according to the sequence of washing and dewatering, and then runs the fresh air function, namely the first electric control valve 91 and the second electric control valve 92 are controlled to respectively connect the air inlet pipeline 6 and the air outlet pipeline 7, dry air is introduced through the air inlet pipeline 6, and moist air is discharged through the air outlet pipeline 7 to achieve the purpose of drying clothes.

If the user selects neither the drying function nor the fresh air function, the washing and drying integrated machine works according to the leftmost path, the washing and drying integrated machine operates according to the sequence of washing and dewatering, and the user finishes after taking out the clothes.

Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims of the present application, any of the claimed embodiments may be used in any combination.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. The utility model provides a drying equipment's drying system, drying system includes the stoving wind channel and installs fan on the stoving wind channel, a serial communication port, drying system still includes air inlet pipeline and air-out pipeline, air inlet pipeline's one end with drying equipment's the outside intercommunication of box, air inlet pipeline's the other end with stoving wind channel intercommunication just is located the upstream end of fan, air-out pipeline's one end with drying equipment's the outside intercommunication of box, air-out pipeline's the other end with stoving wind channel intercommunication just is located the low reaches end of fan.

2. The drying system of drying equipment according to claim 1, wherein the drying air duct is provided with a first communication hole at a downstream end of the fan, and the first communication hole is communicated with the other end of the air outlet pipeline and is arranged opposite to the air outlet end of the fan.

3. The drying system of a drying apparatus according to claim 2, wherein one end of the air outlet duct extends to a front panel of the cabinet, and a second communication hole is provided on the front panel, and the air outlet duct communicates with an outside of the cabinet through the second communication hole.

4. The drying system of a drying apparatus of claim 3, wherein the air outlet duct extends to the front panel in a horizontal direction.

5. The drying system of a drying apparatus of claim 1, wherein an end of the air outlet duct is provided with a gas deceleration structure to reduce a velocity of the air flow discharged from the air outlet duct.

6. The drying system of a drying apparatus according to claim 1, wherein one end of the air inlet duct extends to a back plate of the cabinet, and a third communication hole is provided on the back plate, and the air inlet duct communicates with an outside of the cabinet through the third communication hole.

7. The drying system of drying apparatus of claim 1, wherein one end of the air intake duct is provided with a gas acceleration structure to increase a speed of the airflow entering the air intake duct.

8. The drying system of the drying apparatus according to claim 1, wherein the drying duct is provided with a fourth communication hole at an upstream end of the fan, and the fourth communication hole is communicated with the other end of the air inlet pipeline and is provided near an air inlet end of the fan.

9. The drying system of drying equipment according to any one of claims 1 to 8, further comprising a first electrically controlled valve installed on the air intake duct, wherein the first electrically controlled valve is used for controlling the on-off state of the air intake duct.

10. The drying system of the drying apparatus of any one of claims 1 to 8, further comprising a second electrically controlled valve installed on the air outlet duct, wherein the second electrically controlled valve is used for controlling the on-off state of the air outlet duct.

11. A drying apparatus, characterized by comprising the drying system of any one of claims 1 to 10.

12. The drying apparatus of claim 11, wherein the drying apparatus is a clothes dryer or an all-in-one washer dryer.

13. A control method for a drying apparatus, characterized in that the drying apparatus is the drying apparatus of claim 11, the control method comprising the steps of:

in the process that the drying equipment dries clothes, the air inlet pipeline and the air outlet pipeline are disconnected;

and after the drying equipment finishes drying the clothes, connecting the air inlet pipeline and the air outlet pipeline and enabling the fan to continuously operate.

14. The control method according to claim 13, characterized by further comprising:

in the process that the drying equipment dries clothes, the fan is enabled to operate according to a first set wind speed;

after the drying equipment finishes drying the clothes, enabling the fan to operate according to a second set air speed;

wherein the first set wind speed is greater than the second set wind speed.

15. The control method according to claim 13, characterized by further comprising:

and when the time after the drying program is finished reaches the set time and the clothes in the drying equipment are not taken out, connecting the air inlet pipeline and the air outlet pipeline and starting the fan to operate again.