WO2020114014A1

WO2020114014A1 - Air conditioner

Info

Publication number: WO2020114014A1
Application number: PCT/CN2019/102747
Authority: WO
Inventors: 王金伟; 孙强; 耿宝寒; 郝本华; 程永甫; 杨晓晶; 崔永伟
Original assignee: 青岛海尔空调器有限总公司; 海尔智家股份有限公司
Priority date: 2018-12-04
Filing date: 2019-08-27
Publication date: 2020-06-11
Also published as: CN111271859B; CN111271859A

Abstract

Disclosed is an air conditioner, comprising a machine body, and an air channel (3) and a fan arranged in the machine body; and further comprising a first self-cleaning device (1) and a second self-cleaning device (22). The first self-cleaning device is arranged in the machine body and is provided with a first cleaning device (12) capable of cleaning fan blades (4) in an oscillating manner, so as to carry out cleaning on the fan blades (4); and the second self-cleaning device is arranged in the machine body and is provided with a second cleaning device capable of cleaning the air channel (3) in an oscillating manner, so as to carry out cleaning on the air channel (3). By means of controlling the movement of a guide device, the cleaning devices are rotationally unfolded and then extend out for cleaning the area of the fan blades (4) and the area of the air channel (3); and after the cleaning is finished, the cleaning devices are driven by the guide device to be rotationally folded, such that the normal working of the air conditioner is not affected, overall cleaning of the air-conditioning fan blades (4) and the air channel (3) is realized, and the problem of it being inconvenient to clean the fan blades (4) and the air channel (3) is solved.

Description

Air conditioner

This application is based on a Chinese patent application with an application number of 201811475788.6 and an application date of December 04, 2018, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated by reference.

Technical field

This application relates to the technical field of air-conditioning equipment, in particular to an air conditioner.

Background technique

At present, the popular cylindrical air conditioners on the market are designed with long upper and lower air outlets. Therefore, the internal fan blades and air ducts are relatively complex and have a large area. After long-term use, they will be contaminated with a lot of dust and bacteria. Since the inner wall of the fan blade and the air duct is located inside the air conditioner, it cannot be cleaned directly. It is necessary to disassemble the machine for cleaning. The operation is complicated, and it is difficult for ordinary users to perform the cleaning operation of the fan blade and the air duct. At present, the self-cleaning function of the air conditioner is directed to the evaporator, and there is no self-cleaning solution including the fan blades and air ducts.

Summary of the invention

The embodiments of the present disclosure provide an air conditioner, which realizes comprehensive cleaning of the air conditioner. In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary section is not a general comment, nor is it to determine key/important elements or to describe the scope of protection of these embodiments. Its sole purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

According to an embodiment of the present disclosure, an air conditioner is provided.

In some optional embodiments, an air conditioner includes a body, and an air duct and a fan provided in the body. The air conditioner further includes: a first self-cleaning device disposed in the body, and A first cleaning device capable of swinging and cleaning the fan blade is provided to clean the fan blade; a second self-cleaning device is provided in the machine body and has a second cleaning device capable of swinging and cleaning the air duct , Is set to clean the air duct.

In some optional embodiments, the first self-cleaning device further includes: a first guide device disposed on the air duct of the air conditioner; a first drive device configured to drive the first guide device to move along a preset trajectory; The first cleaning device is disposed on the first guide device, and the first guide device moves to drive the first cleaning device to swing to clean the fan blade.

In some optional embodiments, the second self-cleaning device further includes: a second guide device disposed on the rotation axis of the fan of the air conditioner; a second drive device configured to drive the second guide device along the preset The trajectory moves; the second cleaning device is disposed on the second guide device, and the second guide device moves to drive the second cleaning device to swing to clean the air duct area.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

With the above optional embodiments, the fan blades and air ducts are comprehensively controlled for self-cleaning, making full use of the mutual relationship, and realizing the comprehensive utilization of time and resources. By controlling the movement of the guide device, the cleaning device rotates and unfolds and extends to clean the fan blade area and the air duct area; after the cleaning is completed, the cleaning device rotates and retracts under the guidance of the guide device, and does not affect the normal operation of the air conditioner , Achieve comprehensive cleaning of air conditioning fan blades and air ducts, solve the problem of inconvenient cleaning of fan blades and air ducts, users can breathe healthier air.

It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and do not limit the present disclosure.

BRIEF DESCRIPTION

The drawings herein are incorporated into and constitute a part of this specification, show embodiments consistent with this disclosure, and are used together with the specification to explain the principles of this disclosure.

Fig. 1 is a schematic structural diagram of an alternative implementation of an air conditioner according to an exemplary embodiment;

2 is a schematic diagram of an optional implementation structure of a first self-cleaning device of an air conditioner according to an exemplary embodiment;

Fig. 3 is a schematic structural diagram of an alternative implementation of a second guide device of an air conditioner according to an exemplary embodiment;

Fig. 4 is a schematic diagram of connection of a control device module of an air conditioner according to an exemplary embodiment.

Among them, 1-first self-cleaning device, 111-first guide shaft, 112-second guide shaft, 113-first fixed unit, 114-second fixed unit, 12-first cleaning device, 131-first drive Motor, 132-first lead screw, 133-first lead nut; 2-second self-cleaning device, 211-third guide shaft, 212-fourth guide shaft, 213-third fixing unit, 214-fourth fixing Unit, 22-second cleaning device, 231-third drive motor, 232-third screw, 233-third screw, 234-fourth drive motor, 235-fourth screw, 236-fourth screw ; 3-air duct, 4-fan blade, 5-spray device, 6-water tray, 7-control device, 71-first unit, 72-second unit, 73-third unit, 74-fourth Unit, 75-fifth unit, 8-fan.

detailed description

The following description and drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Parts and features of some embodiments may be included in or substituted for parts and features of other embodiments. The scope of the embodiments herein includes the entire scope of the claims, as well as all available equivalents of the claims. Herein, the terms "first", "second", etc. are only used to distinguish one element from another, and do not require or imply any actual relationship or order between these elements. In fact the first element can also be called the second element and vice versa. Moreover, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a structure, device, or device that includes a series of elements includes not only those elements, but also others that are not explicitly listed Elements, or include elements inherent to such structures, devices, or equipment. Without further restrictions, the element defined by the sentence "include one..." does not exclude that there are other identical elements in the structure, device or equipment that includes the element. The embodiments in this document are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same and similar parts between the embodiments can be referred to each other.

The terms "portrait", "landscape", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "herein" The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this article and simplifying the description, rather than indicating or implying that the device or element It has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In the description herein, unless otherwise specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or it may be the communication between two elements, It may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above terms can be understood according to specific situations.

Herein, unless otherwise stated, the term "plurality" means two or more.

In this article, the character "/" indicates that the front and back objects are in an "or" relationship. For example, A/B means: A or B.

In this article, the term "and/or" refers to an association relationship describing an object, indicating that there may be three types of relationship. For example, A and/or B means: A or B, or A and B.

1 is a schematic diagram showing an alternative implementation structure of an air conditioner according to an exemplary embodiment; FIG. 2 is a schematic diagram showing an alternative implementation structure of a first guide device of an air conditioner according to an exemplary embodiment; FIG. 3 It is a schematic diagram of module connection of a control device 7 of an air conditioner according to an exemplary embodiment.

FIG. 1 shows an alternative embodiment of an air conditioner. In the alternative embodiment, the air conditioner includes an evaporator, an air duct 3, and a fan. A water receiving tray 6 is provided at the bottom of the air conditioner. After self-cleaning, the condensate falls onto the water receiving tray; it also includes:

The first self-cleaning device is provided in the machine body and has a first cleaning device 12 capable of swinging and cleaning the fan blade 4, which is configured to clean the fan blade 4;

The second self-cleaning device, which is installed in the machine body and has a second cleaning device 22 capable of swinging and cleaning the air duct 3, is provided to clean the air duct 3.

Optionally, the first self-cleaning device 1 further includes:

The first guide device is installed on the air duct 3 of the air conditioner;

The first driving device is configured to drive the first guiding device to move along a preset trajectory;

The first cleaning device 12 is disposed on the first guide device, and the first guide device moves to drive the first cleaning device 12 to swing to clean the fan blade 4.

Optionally, as shown in FIG. 2, the first guide device includes: a first guide shaft 111 arranged on the inner wall of the air duct 3 in a vertical direction, and a second guide arranged parallel to the first guide shaft 111 Shaft 112;

The first driving device drives the first guide shaft 111 or the second guide shaft 112 to reciprocate along a preset trajectory, or, the first drive device drives the first guide shaft 111 and the second guide shaft 112 along a preset The track moves back and forth alternately;

One end of the fixed portion of the first cleaning device 12 is hingedly connected to the first guide shaft 111; the other end of the fixed portion of the first cleaning device 12 is connected to the second guide shaft 112; the cleaning portion is in a reciprocating swing state Contact with the fan blade 4.

Optionally, the first cleaning device 12 is a plate-shaped brush. The handle of the plate-shaped brush is the fixed part of the first cleaning device 12, one end of which is hingedly connected to the first guide shaft 111 through the first fixing unit 113, and the other end is connected to the second guide through the second fixing unit 114 The shaft 112 is hingedly connected; the bristle body of the plate-shaped brush, that is, the cleaning portion of the first cleaning device 12, contacts the fan blade 4 in a reciprocating state, and the bristle body is provided with bristles.

Optionally, the first fixing unit 113 is configured to rotatably fix the first cleaning device 12 on the first guide shaft 111 in an articulated manner; optionally, the first fixing unit 113 includes a movable pin , One or more of shaft, buckle.

Optionally, the second fixing unit 114 is configured to rotatably fix the first cleaning device 12 on the second guide shaft 112 in a hinged link manner; optionally, the second fixing unit 114 includes a movable pin , One or more of shaft, buckle.

Optionally, the first driving device includes a first driving mechanism configured to drive the first guide shaft 111 to move up and down. The first drive mechanism includes a first drive motor 131 mounted on the top of the first guide device, the first drive motor 131 can controllably rotate forward or reverse; the first screw 132 disposed parallel to the first guide axis, at Driven by the first drive motor to rotate in a forward or reverse direction; and a first wire mother 133 sleeved on the first screw 132 and meshed with the first screw 132; the first drive motor 131 drives the first screw 132 to rotate, and the first screw 133 is fixed on the first guide shaft 111. The first screw mother 133 moves upward or downward with the rotation of the first screw 132, and drives the first guide shaft 111 to move along a preset trajectory.

In another optional embodiment, the first driving device further includes a second driving mechanism configured to drive the movement of the second guide shaft 112; optionally, the first driving mechanism cooperates with the second driving mechanism , Driving the first guide shaft and the second guide shaft to move in opposite directions.

Optionally, the second self-cleaning device includes:

The second guide device is arranged on the rotation axis of the four fan blades of the air conditioner;

The second driving device is configured to drive the second guiding device to move along a preset trajectory;

The second cleaning device 22 is disposed on the second guide device. The movement of the second guide device drives the second cleaning device 22 to swing to clean the area of the air duct 3. Dust and impurities swept down during the cleaning process fall into the water receiving tray 6 at the bottom of the air conditioner.

Optionally, as shown in FIG. 3, the second guiding device includes:

A third guide shaft 211 disposed on the rotation axis of the four blades of the fan blade, and a fourth guide shaft 212 disposed parallel to the third guide shaft 211; the second driving device drives the third guide shaft 211 or the fourth The guide shaft 212 moves reciprocally along a preset trajectory, or the second driving device drives the third guide shaft 211 and the fourth guide shaft 212 to reciprocate alternately along the preset trajectory;

One end of the fixing portion of the second cleaning device 22 is hingedly connected to the third guide shaft 211, and the other end is hingedly connected to the fourth guide shaft 212. The cleaning portion of the second cleaning device is connected to the air duct in a reciprocating state 3 Inner wall contact.

Optionally, the second cleaning device 22 is a plate-shaped brush. The cleaning part of the plate-shaped brush, that is, the fixing part of the second cleaning device 22, has one end hingedly connected to the third guide shaft 211 through the third fixing unit 213, and the other end connected to the fourth through the fourth fixing unit 214 The guide shaft 212 is hingedly connected; the bristle body of the plate-shaped brush, that is, the cleaning portion of the second cleaning device 22, contacts the inner wall of the air duct 3 in a reciprocating state, and the bristle body is provided with bristles.

Optionally, the third fixing unit 213 is configured to rotatably fix the second cleaning device 22 on the third guide shaft 211 in an articulated manner; optionally, the third fixing unit 213 includes a movable pin One or more of components, shaft components, and snap components.

Optionally, the fourth fixing unit 214 is configured to rotatably fix the second cleaning device 22 on the fourth guide shaft 212 in an articulated manner; optionally, the fourth fixing unit 214 includes a movable pin One or more of components, shaft components, and snap components.

Optionally, the second driving device includes a third driving mechanism configured to drive the third guide shaft 211 to move along a preset trajectory.

Optionally, the third driving mechanism includes:

A third drive motor 231, which can controllably rotate forward or reverse;

The third screw 232 is disposed parallel to the third guide shaft 211, and is driven by the third drive motor 231 to rotate in a forward or reverse direction;

The third wire mother 233 is sleeved on the third screw 232, meshed with the third screw 231, and connected to the third guide shaft 211;

The third screw 233 moves along the third screw 232 with the rotation of the third screw 232, and drives the third guide shaft 211 to move along a preset trajectory.

Optionally, the second driving mechanism further includes a fourth driving mechanism configured to drive the fourth guide shaft 212 to move along a preset trajectory.

Optionally, the fourth driving mechanism includes:

A fourth drive motor 234, which can controllably rotate forward or reverse;

The fourth screw 235 is arranged parallel to the fourth guide shaft 212, and is driven by the fourth drive motor 234 to rotate in a forward or reverse direction;

The fourth wire mother 236 is sleeved on the fourth screw 234, meshed with the fourth screw 234, and connected to the fourth guide shaft 212;

The fourth screw 236 moves along the fourth screw 234 with the rotation of the fourth screw 234, and drives the fourth guide shaft 212 to move along a preset trajectory.

Optionally, the third driving mechanism and the fourth driving mechanism act independently to drive the third guide shaft 211 to move up and down, or drive the fourth guide shaft 212 to move up and down.

Optionally, the third drive mechanism and the fourth drive mechanism cooperate to drive the third guide shaft 211 and the fourth guide shaft 212 to move in opposite directions, respectively.

Optionally, it further includes a control device configured to control the first self-cleaning device and the second self-cleaning device to clean the air conditioner.

As shown in FIG. 4, the control device includes:

The first unit 71 is configured to control the first self-cleaning device 1 to clean the area of the fan blade 4;

The second unit 72 is configured to control the second self-cleaning device to clean the area of the air duct 3;

The third unit 73 is configured to control the evaporator to perform self-cleaning.

Optionally, when the first unit 71 executes the self-cleaning instruction, the first driving motor 131 is controlled to rotate in the forward direction, which drives the first screw 132 to rotate in the forward direction, and drives the first wire nut 133 to move upward so that the first guide The shaft 111 moves upward, driving the first cleaning device 12 to rotate and unfold, and starting to clean the fan blade 4; during the cleaning process, the first unit 71 controls the first driving motor 131 to alternately rotate forward and backward, driving the first screw 132 to rotate forward The alternate rotation in the reverse direction drives the first wire nut 133 to move up and down, so that the first guide shaft 111 moves up and down in the up and down direction, and drives the first cleaning device 12 to swing up and down to clean the corresponding fan blade 4. After the self-cleaning instruction is executed, the first unit 71 controls the first driving motor 131 to rotate in reverse, driving the first screw 132 to rotate in reverse, driving the first wire mother 133 to move downward, so that the first guide shaft 111 moves downward The movement causes the first cleaning device 12 to rotate and retract. In another alternative embodiment, the first unit is further configured to drive the second drive motor to rotate to move the second guide shaft 112, drive the first cleaning device 12 to swing back and forth, and clean the fan blade 4.

In another alternative embodiment. The first unit is also configured to simultaneously control the first drive mechanism and the second drive mechanism to rotate in opposite directions, so that the first guide shaft 111 and the second guide shaft 112 move in opposite directions, respectively, driving the first cleaning device 12 to reciprocate Swing to clean the fan blade 4. When the first driving mechanism cooperates with the second driving mechanism, the required cleaning time is shorter and the cleaning efficiency is higher.

Optionally, when the third driving mechanism acts on the third guide shaft 211 alone, when the second unit 72 executes the self-cleaning instruction, the third driving motor 231 is controlled to rotate in the forward direction, and the third screw 232 is driven in the forward direction The rotation causes the third filament mother 233 to move upward, causing the third guide shaft 2111 to move upward, driving the second cleaning device 22 to rotate and start to clean the air duct 3; during the cleaning process, the second unit 72 controls the third drive The motor 231 alternately rotates in forward and reverse directions, driving the third screw 232 to alternately rotate in forward and reverse directions, driving the third filament mother 233 to move in the up-down direction, causing the third guide shaft 211 to move up and down in the up-down direction, and driving the second cleaning device 22 to swing up and down Clean the air duct 3 in the area. After the self-cleaning instruction is executed, the second unit 72 controls the third drive motor 231 to rotate in reverse, driving the third screw 232 to rotate in reverse, driving the third wire mother 233 to move downward, so that the third guide shaft 211 moves downward Moving, driving the second cleaning device 22 to rotate and retract.

Optionally, when the fourth driving mechanism acts on the fourth guide shaft 212 alone, when the second unit 72 executes the self-cleaning command, the fourth driving motor 234 is controlled to rotate in the forward direction, and the fourth screw 235 is driven in the forward direction The rotation drives the fourth wire mother 236 to move upwards, so that the fourth guide shaft 212 moves upwards, drives the second cleaning device 22 to rotate and unfold, and starts cleaning the air duct 3; during the cleaning process, the second unit 72 controls the fourth drive The motor 234 rotates alternately in forward and reverse directions, driving the fourth screw 235 to alternately rotate in forward and reverse directions, driving the fourth wire mother 236 to move in the up-down direction, causing the fourth guide shaft 212 to move up and down in the up-down direction, and driving the second cleaning device 22 to swing up and down Clean the air duct 3 in the area. After the self-cleaning instruction is executed, the second unit 72 controls the fourth drive motor 234 to reversely rotate, driving the fourth screw 235 to reversely rotate, driving the fourth wire mother 236 to move downward, so that the fourth guide shaft 212 moves downward The movement causes the second cleaning device 22 to rotate and retract.

Optionally, when the third driving mechanism and the fourth driving mechanism cooperate, when the second unit 72 executes the self-cleaning instruction, the third driving motor 231 and the fourth driving motor 234 are respectively controlled to rotate in opposite directions, so that The second cleaning device 22 rotates and unfolds to start cleaning the air duct 3; during the cleaning process, the second unit 72 controls the third drive motor 231 and the fourth drive motor 234 to have the same frequency and alternating forward and reverse directions in opposite directions The rotation makes the third driving motor 231 and the fourth driving motor 234 always rotate in opposite directions, drives the second cleaning device 22 to rotate and unfold rapidly after swinging, and cleans the air duct 3. When the third driving mechanism cooperates with the fourth driving mechanism, the required cleaning time is shorter and the cleaning efficiency is higher.

Optionally, the third unit 73 is configured to control the evaporator to perform self-cleaning after the first self-cleaning device and the second self-cleaning device are cleaned. Wash the drip tray.

Optionally, the control device 7 further includes a fourth unit 74, which is configured to control the directional rotation of the fan 8. After each rotation, the fan 8 stops running, and the first unit 71 controls the movement of the first guide device to make the first cleaning device 12 Clean the corresponding fan blade 4; the second unit 72 controls the movement of the second guide device, so that the second cleaning device 22 cleans the corresponding air duct area. Optionally, when the area to be cleaned after rotation is the initial area, the self-cleaning instruction is completed. Optionally, after the fourth unit 74 controls the fan 8 to rotate to the first preset number of times, the self-cleaning mode ends. By setting the first preset number of rotations, the air conditioner area can be cleaned repeatedly, more comprehensively and thoroughly.

Optionally, it also includes a fifth unit 75, which is configured to control the spray device 5 to spray the air duct 3 and the fan while the self-cleaning device is cleaning. Optionally, after the first preset time is over, the spray device 5 stops operating. Optionally, when the cleaning device 2 rotates to the initial position, the spray device 56 stops operating. Optionally, the spray device 5 sprays the entire inner surface of the air duct 3; it is also possible to spray the air duct 3 separately by area

Optionally, the water receiving tray 6 is a drawer-type push-pull device arranged at the bottom of the four fan blades. During the self-cleaning process, the cleaning device 2 sweeps the dust on the air duct 3 of the corresponding area into the water receiving tray 6, and the spray water of the spray device 56 also falls into the water receiving tray 6; the first cleaning device and the second After the cleaning of the cleaning device is completed, the third unit controls the evaporator to perform self-cleaning. After the evaporator self-cleans, the condensed water generated by the cleaning falls on the water receiving tray 6, and the water receiving tray 6 is flushed to clean the water receiving tray 6 without manual cleaning. The spraying by the spraying device 56 can effectively remove the stains attached to the air duct 3, and clean the area of the air duct 3, thereby realizing a comprehensive and thorough automatic cleaning of the air duct 3.

Using the optional embodiment shown in FIG. 1, the evaporator, fan blade 4 and air duct 3 are comprehensively controlled to perform self-cleaning, make full use of the mutual relationship, and realize comprehensive utilization of time and resources. After the self-cleaning of the fan blade 4 and the air duct 3 of the air conditioner is completed, the dust and bacteria falling from the self-cleaning flow into the water receiving tray 6; the self-cleaning of the evaporator is operated, and the condensed water generated by the self-cleaning falls on the water receiving tray 6 By performing flushing, the air conditioner fan blade 4, the air duct 3 and the evaporator are completely cleaned, and the problem that the fan blade 4 and the air duct 3 are not easy to clean is solved, and the user can breathe healthier air.

The present disclosure is not limited to the structure that has been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

An air conditioner includes an airframe and an air duct and a fan provided in the airframe. The air conditioner further includes:

The first self-cleaning device is provided in the machine body and has a first cleaning device capable of swinging and cleaning the fan blade, and is configured to clean the fan blade;

The second self-cleaning device is provided in the machine body and has a second cleaning device capable of swinging to clean the air duct, and is configured to clean the air duct.
The air conditioner according to claim 1, wherein the first self-cleaning device further comprises:

The first guide device is installed on the air duct of the air conditioner;

The first driving device is configured to drive the first guiding device to move along a preset trajectory;

The first cleaning device is disposed on the first guide device, and the first guide device moves to drive the first cleaning device to swing to clean the fan blades.
The air conditioner according to claim 2, wherein the first guide device comprises: a first guide shaft arranged on the inner wall of the air duct in a vertical direction, and a parallel arrangement with the first guide shaft The second guide shaft;

The first driving device drives the first guide shaft or the second guide shaft to reciprocate along a preset trajectory, or the first drive device drives the first guide shaft and the second guide shaft along The preset trajectory moves back and forth out of position;

One end of the fixing portion of the first cleaning device is hingedly connected to the first guide shaft, and the other end is hingedly connected to the second guide shaft; the cleaning portion of the first cleaning device is connected to the The fan blades are touching.
The air conditioner according to claim 3, wherein the first cleaning device is a plate-shaped brush, and the handle of the plate-shaped brush is a fixing portion of the first cleaning device, the plate-shaped The bristle body of the bristle brush is a cleaning part of the first cleaning device, and the bristle body is provided with bristles.
The air conditioner according to claim 3, wherein the first driving device includes: a first driving mechanism configured to drive the movement of the first guide shaft;

The first driving mechanism includes:

A first driving motor, the first driving motor can controllably rotate forward or reverse;

The first screw is arranged parallel to the first guide shaft, and rotates forward or reverse under the drive of the first drive motor;

A first screw nut, sleeved on the first screw rod, meshed with the first screw rod, and connected to the first guide shaft;

The first screw mother moves upward or downward with the rotation of the first screw, driving the first guide shaft to move along a preset trajectory.
The air conditioner according to claim 5, wherein the first driving device further includes a second driving mechanism configured to drive the second guide shaft to move along a preset trajectory.
The air conditioner according to claim 1, wherein the second self-cleaning device includes:

The second guide device is arranged on the rotation axis of the fan of the air conditioner;

A second drive device, configured to drive the second guide device to move along a preset trajectory;

The second cleaning device is disposed on the second guide device, and the movement of the second guide device drives the second cleaning device to swing to clean the air duct area.
The air conditioner according to claim 7, wherein the second guide device includes: a third guide shaft provided on the rotation axis of the fan blade, and a fourth guide shaft provided parallel to the third guide shaft s;

The second driving device drives the third guide shaft or the fourth guide shaft to reciprocate along a preset trajectory, or the second drive device drives the third guide shaft and the fourth guide shaft along The preset trajectory moves back and forth out of position;

One end of the fixing portion of the second cleaning device is hingedly connected to the third guide shaft, and the other end is hingedly connected to the fourth guide shaft. The cleaning portion of the second cleaning device is connected to the The inner wall of the air duct is in contact.
The air conditioner according to claim 8, wherein the second driving device includes: a third driving mechanism configured to drive the third guide shaft to move along a preset trajectory;

The third driving mechanism includes:

A third driving motor, the third driving motor can controllably rotate forward or reverse;

The third screw rod is arranged parallel to the third guide shaft, and is driven by the third drive motor to rotate in a forward or reverse direction;

A third wire mother, sleeved on the third screw, meshed with the third screw, and connected to the third guide shaft;

The third screw mother moves along the third screw with the rotation of the third screw, and drives the third guide shaft to move along a preset trajectory.
The air conditioner according to claim 9, wherein the second driving device further includes a fourth driving mechanism configured to drive the fourth guide shaft to move along a preset trajectory.