CN115897186A

CN115897186A - Drying system of drying equipment and drying equipment

Info

Publication number: CN115897186A
Application number: CN202211400628.1A
Authority: CN
Inventors: 潘永坤; 杨龙; 侯永顺; 李涛
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: 2023-04-04

Abstract

The invention relates to the technical field of clothes treatment, in particular provides a drying system of drying equipment and the drying equipment, and aims to solve the problem that the ventilation effect of a fresh air function of the existing drying equipment is poor. Therefore, the drying system comprises a drying air duct, a fan, an air inlet pipeline, an air outlet pipeline and an air containing structure, wherein a first communicating hole is formed in the drying air duct, one end of the air inlet pipeline is communicated with the outside of a box body of the drying equipment, the other end of the air inlet pipeline is communicated with the drying air duct, one end of the air outlet pipeline is communicated with the outside of the box body, the other end of the air outlet pipeline is communicated with the first communicating hole, and the air containing structure is arranged close to the first communicating hole and can block airflow flowing along the drying air duct so as to increase the airflow entering the air outlet pipeline. Through such setting, can make more air currents pass through first intercommunication hole and get into the air outlet pipeline, increase the airflow that gets into the air outlet pipeline, inhale more fresh air, improve the ventilation effect.

Description

Drying system of drying equipment and drying equipment

Technical Field

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

Background

Drying devices are devices capable of drying clothes, and common drying devices include clothes dryers, washing and drying machines, and the like.

Use the washing all-in-one futilely as an example, current washing all-in-one futilely can enough wash the clothing, can dry the clothing again after the washing is accomplished, and some washing all-in-one futilely have the new trend function, and the outside intercommunication of wind channel and box will be dried through setting up air inlet pipeline and air-out pipeline to can introduce the new trend.

However, when the existing washing and drying integrated machine executes the fresh air function, the air flow discharged from the air outlet pipeline is small, so that the air quantity of sucked fresh air is small, and the actual ventilation effect is poor.

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

Disclosure of Invention

The invention aims to solve the technical problem, namely, the problem of poor ventilation effect of the fresh air function of the existing drying equipment.

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, an air outlet pipeline, and an air pocket structure located in the drying air duct, the drying air duct is provided with a first through hole, 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, one end of the air outlet pipeline is communicated with the outside of the box body of the drying device, the other end of the air outlet pipeline is communicated with the first through hole, the air pocket structure is arranged near the first through hole, and the air pocket structure can block air flowing along the drying air duct to increase air flow entering the air outlet pipeline.

In an optimal technical scheme of the drying system of the drying equipment, the air inlet structure is an air inlet arranged at the other end of the air outlet pipeline.

In a preferred technical scheme of the drying system of the drying equipment, the caliber of the air pocket port is reduced along the flowing direction of the air flow.

In the preferable technical scheme of the drying system of the drying equipment, the caliber of the air pocket opening is gradually reduced along the flowing direction of the air flow.

In an optimal technical scheme of the drying system of the drying device, the first communication hole is located at the downstream 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, one end of the air outlet pipeline is provided with an air speed reducing structure to reduce the speed of air flow discharged from the air outlet pipeline.

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 an optimal technical scheme of the drying system of the drying equipment, 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 an optimal technical scheme of the drying system of the drying device, the drying system is a heat pump drying system, the heat pump drying system comprises a drainage pipeline which is communicated with the drying air channel and is used for discharging condensed water, and the other end of the air inlet pipeline is communicated with the drying air channel by means of the drainage pipeline.

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 a preferred technical scheme of the drying system of the drying device, the drying system further comprises 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 including 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.

Under the condition of adopting the technical scheme, the washing and drying all-in-one machine can block the airflow flowing along the drying air channel by arranging the air pocket structure at the position close to the first communicating hole in the drying air channel, so that more airflow enters the air outlet pipeline through the first communicating hole, the airflow entering the air outlet pipeline can be increased, more fresh air can be sucked, and the ventilation effect is improved.

Further, the air inlet structure is an air inlet arranged at the other end of the air outlet pipeline. Through such setting for pocket wind gap can also guide the air current effectively except can blockking along the air current that the stoving wind channel flows and come, so that more air currents enter into in the air-out pipeline.

Still further, the caliber of the air pocket port becomes smaller along the flowing direction of the air flow. Through the arrangement, the flowing speed of the airflow can be increased, so that more airflow can flow into the air outlet pipeline.

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

Still further, one end of the air inlet pipeline is provided with an air speed increasing structure so as to increase the speed of the airflow entering the air inlet pipeline. By such an arrangement, it is advantageous to have more fresh air enter the air intake duct.

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 has the technical effects of the drying system, and compared with the drying equipment before improvement, the drying equipment has better ventilation effect of the fresh air function.

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 view of a first embodiment of a washer dryer of the present 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 view of the assembly of the air outlet pipe and the drying duct of the present invention;

FIG. 5 isbase:Sub>A cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a schematic structural view of the air outlet duct of the present invention;

FIG. 7 is a schematic structural view of a second embodiment of the washing and drying machine of the present invention;

FIG. 8 is an enlarged schematic view at C of FIG. 7;

fig. 9 is an enlarged schematic view at D in fig. 7.

List of reference numbers:

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; 72. covering the air inlet; 81. a heater; 82. a condenser; 83. an evaporator; 84. a drain line; 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 of poor ventilation effect of the new trend function of current washing and drying all-in-one based on the background art points out. The invention provides a drying system of a washing and drying integrated machine and the washing and drying integrated machine, and aims to block flowing air flow by arranging an air pocket structure near a first communicating hole so as to enable more air flow to enter an air outlet pipeline through the first communicating hole, thereby increasing the air flow entering the air outlet pipeline, further sucking more fresh air and improving the ventilation effect.

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

The drying system comprises a drying air duct, a fan, an air inlet pipeline, an air outlet pipeline and an air pocket structure, wherein the fan is installed on the drying air duct, a first communication hole is formed in 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, one end of the air outlet pipeline is communicated with the outside of the box body of the washing and drying integrated machine, the other end of the air outlet pipeline is communicated with the first communication hole, the air pocket structure is located in the drying air duct and is arranged close to the first communication hole, and the air pocket structure can block air flowing along the drying air duct so as to increase air flow entering the air outlet pipeline.

Set up the pocket wind structure through the position that is close to first through-hole in the stoving wind channel and block the air current that flows to make more air currents pass through first through-hole and get into in the air outlet pipe way, thereby can increase the airflow that gets into the air outlet pipe way, and then can inhale more fresh air, improve the ventilation effect.

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

Example one

A first embodiment of the washer dryer of the present invention will now be described in detail with reference to figures 1 to 6.

As shown in fig. 1, 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 disposed in the box 1, wherein the inner tub 3 is rotatably disposed in the outer tub 2.

Wherein, 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 and the stoving wind channel 4 intercommunication of air-supply line 6, the one end and the outside intercommunication of box 1 of air-out pipeline 7, be provided with first through-hole 41 on the stoving wind channel 4, the other end and the first through-hole 41 intercommunication of air-out pipeline 7 to the intercommunication with stoving wind channel 4 is realized.

As shown in fig. 1, fig. 2, and fig. 4 to fig. 6, the drying system of this embodiment further includes an air inlet structure located in the drying air duct 4, wherein the air inlet structure is disposed near the first communicating hole 41, and the air inlet structure is configured to block the airflow flowing along the drying air duct 4, so as to increase the airflow entering the air outlet pipeline 7.

It should be noted that, in practical applications, those skilled in the art may set the air inlet structure as the air inlet, or may set the air inlet structure as the air plate, etc., and such modifications and changes to the specific structural form of the air inlet structure do not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in fig. 4 to 6, the air inlet structure is an air inlet 72 provided at the other end of the air outlet duct 7.

Through setting up the form of pocket wind gap 72 with the wind pocket structure, except can blockking along the air current that the stoving wind channel 4 flows and come, can also guide the air current effectively, make the air current flow towards air-out pipeline 7, be favorable to making more air currents enter into in the air-out pipeline 7.

Preferably, as shown in fig. 4 to 6, the caliber of the pocket opening 72 becomes smaller in the flow direction of the air current.

By making the caliber of the air pocket opening 72 smaller in the direction of the air flow, the flow speed of the air flow can be increased, thereby facilitating more air flow to flow into the air outlet duct 7.

It should be noted that, in practical applications, the aperture of the air inlet 72 may be gradually decreased in different layers, or the aperture of the air inlet 72 may be smoothly decreased gradually, and such flexible adjustment and change should be limited within the protection scope of the present invention without departing from the principle and scope of the present invention.

Preferably, as shown in fig. 4 to 6, the caliber of the pocket opening 72 is gradually reduced in the flow direction of the air current.

By smoothly tapering the diameter of the inlet 72, the airflow entering the inlet 72 can flow smoothly.

Preferably, as shown in fig. 1, the first communication hole 41 is located at the downstream end of the blower 5.

By locating the first communicating hole 41 communicating with the air outlet duct 7 at the downstream end of the fan 5, it is more advantageous to make the airflow in the drying duct 4 flow into the air outlet duct 7.

Exemplarily, as shown in fig. 1, the drying air duct 4 of the present embodiment includes a condensation air duct 4A and a heating air duct 4B, the first communication hole 41 is disposed on the heating air duct 4B, the fan 5 is installed between the condensation air duct 4A and the heating air duct 4B, one end of the condensation air duct 4A is communicated with the rear portion of the inner drum 3, the other end of the condensation 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, and the other end of the heating air duct 4B is communicated with the front end of the inner drum 3, that is, the condensation 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 through the first communication hole 41, after the 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, the cold air is mixed with high-temperature air in the condensation air duct 4A and then enters the heating air duct 4B, when the mixed air flows through the joint of the heating air duct 4B and the air outlet pipeline 7, a part of air continues to flow into the inner barrel 3 along the heating air duct 4B, and a 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, and the temperature in the box body 1 can be lowered as soon as possible.

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 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 the clothes in the open morning can be realized by a small amount of clothes; therefore, the fresh air work can be operated under the conditions of low noise and low power consumption.

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.

Illustratively, as shown in fig. 1, a first communication hole 41 is provided in the heating air duct 4B, a second communication hole 111 is provided in the front panel 11 of the housing 1, a right end of the air outlet duct 7 communicates with the first communication hole 41, and a left end of the air outlet duct 7 communicates with the second communication hole 111.

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

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 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.

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 fresh 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 air duct 4 is provided with a fourth communicating hole 42 at the upstream end of the fan 5, and the fourth communicating hole 42 is communicated with the other end of the air inlet pipeline 6 and is arranged close to 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 fourth communication hole 42 is provided in the condensation duct 4A, 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 and has 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 the 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 box body 1, and hot air in the box body 1 is exhausted.

Example two

A second embodiment of the integrated washer dryer of the present invention will be described in detail with reference to fig. 4 to 9.

As shown in fig. 7, the integrated washing and drying machine of the present embodiment includes a cabinet 1, and an outer tub 2, an inner tub 3 and a drying system disposed in the cabinet 1, wherein the inner tub 3 is rotatably disposed in the outer tub 2.

The drying system of the embodiment is a heat pump drying system, the heat pump drying system includes a drying air duct 4, a fan 5, an air inlet pipe 6 and an air outlet pipe 7, the fan 5 is installed on the drying air duct 4, one end of the air inlet pipe 6 is communicated with the outside of the box body 1, the other end of the air inlet pipe 6 is communicated with the drying air duct 4, one end of the air outlet pipe 7 is communicated with the outside of the box body 1, a first communication hole 41 is arranged on the drying air duct 4, and the other end of the air outlet pipe 7 is communicated with the first communication hole 41.

As shown in fig. 7, 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. 7, 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.

As shown in fig. 4 to 8, the drying system of the present embodiment further includes an air inlet structure located in the drying air duct 4, wherein the air inlet structure is disposed near the first communication hole 41, and the air inlet structure is configured to block the air flowing along the drying air duct 4, so as to increase the air flow entering the air outlet pipeline 7.

It should be noted that, in practical applications, those skilled in the art may set the wind inlet structure as the wind inlet, or may set the wind inlet structure as the wind inlet plate, etc., and such modifications and changes to the specific structural form of the wind inlet structure do not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Through setting up the form into pocket wind gap 72 with the pocket wind structure, except can blockking along the air current that stoving wind channel 4 flowed, can also guide the air current effectively to make more air currents enter into in the tuber pipe way 7.

By making the caliber of the pocket opening 72 smaller in the direction of the airflow, the flow speed of the airflow can be increased, thereby facilitating more airflow to flow into the air outlet duct 7.

It should be noted that, in practical applications, the aperture of the air inlet 72 may be gradually decreased in different layers, or the aperture of the air inlet 72 may be smoothly gradually decreased, and the like, and such flexible adjustment and change are not departing from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.

Preferably, as shown in fig. 7, the first communication hole 41 is located at the downstream end of the blower 5.

Preferably, as shown in fig. 7 and 9, the heat pump drying system of the present embodiment further includes a drain line 84 communicated with the drying air duct 4 for draining condensed water, and the other end of the air inlet line 6 is communicated with the drying air duct 4 by means of the drain line 84.

By communicating the air intake duct 6 with the drying air duct 4 by means of the water discharge duct 84, it is possible to avoid opening a communicating hole communicating with the air intake duct 6 on the drying air duct 4 again, and to simplify the structural design.

In the process of drying the clothes, 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 clothes 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 and the water discharge pipeline 84, 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 a 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, and the temperature in the box body 1 can be reduced as soon as possible.

Preferably, as shown in fig. 7, 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.

Preferably, as shown in fig. 7 and 8, 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. 7 and 8, the left end of the air outlet pipe 7 is provided with 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. 7, 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.

Preferably, as shown in fig. 7 and 9, 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. 7 and 9, the right end of the air outlet pipe 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. 7 and 9, 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.

Preferably, as shown in fig. 7 and 8, 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.

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 easily understood by those skilled in the art that the scope of the present invention is obviously 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 the air inlet pipeline, goes out the tuber pipe way and is located pocket wind structure in the stoving wind channel, be provided with first communicating hole on the stoving wind channel, the one end of air inlet pipeline with drying equipment's the outside intercommunication of box, the other end of air inlet pipeline with stoving wind channel intercommunication, the one end of going out the tuber pipe way with the outside intercommunication of box, the other end of going out the tuber pipe way with first communicating hole intercommunication, pocket wind structure is close to first communicating hole sets up, pocket wind structure can be right along the air current that the stoving wind channel flows and comes blocks to increase and get into the airflow of air outlet pipeline.

2. The drying system of a drying apparatus of claim 1, wherein the air inlet structure is an air inlet provided at the other end of the air outlet duct.

3. The drying system of a drying apparatus of claim 2, wherein an aperture of the pocket opening becomes smaller in a flow direction of the air current.

4. The drying system of a drying apparatus of claim 3, wherein an aperture of the pocket opening is gradually reduced in a flow direction of the air current.

5. The drying system of drying apparatus of claim 1, wherein said first communication hole is located at a downstream end of said blower.

6. The drying system of a drying apparatus according to claim 1, 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.

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

8. 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.

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

10. 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.

11. The drying system of a drying apparatus according to claim 1, wherein the drying system is a heat pump drying system, the heat pump drying system includes a drain line communicated with the drying air duct for draining condensed water, and the other end of the air inlet line is communicated with the drying air duct via the drain line.

12. The drying system of drying equipment of any one of claims 1 to 11, further comprising a first electrically controlled valve mounted on the air intake duct for controlling the on/off state of the air intake duct.

13. The drying system of drying equipment according to any one of claims 1 to 11, further comprising a second electrically controlled valve installed on the air outlet pipeline, wherein the second electrically controlled valve is used for controlling the on-off state of the air outlet pipeline.

14. A drying apparatus, characterized by comprising the drying system of any one of claims 1 to 13.

15. The drying apparatus of claim 14, wherein the drying apparatus is a clothes dryer or an all-in-one washer dryer.