CN204555232U - Air ducting and there is its air conditioner room unit - Google Patents

Abstract

The utility model discloses an air guide device, which comprises an air guide bracket with a circular air outlet, an air guide corresponding to the position of the air outlet and capable of rotating around the axis of the air outlet, and arranged on the The drive mechanism between the air guide bracket and the air guide, and the positioning device corresponding to the air guide, when the drive mechanism drives the air guide to rotate to a preset position, the positioning The device forms a sensing signal. The utility model also discloses an indoor unit of an air conditioner. The whole set of air guiding device of the utility model has a small number of component parts, which greatly simplifies the structural design. On the one hand, the air guiding parts move smoothly and generate little noise, and can accurately position the air guiding parts to realize air supply at a specific angle. On the one hand, the wind resistance of the wind passing through the air guide is small, so the loss of air volume is small, and at the same time, the air supply angle is large and the distance is longer.

Description

Air guiding device and air conditioner indoor unit having same

technical field

The utility model relates to the technical field of air conditioners, in particular to an air guiding device and an air conditioner indoor unit with the same.

Background technique

In the prior art, the air outlets of common vertical air conditioners are mostly rectangular, and an air guiding device is arranged in the air outlets. Among them, the air guide device is mainly composed of vertically and horizontally arranged louvers and a driving device for driving the movement of the louvers, and the air supply at different positions is realized through the up and down swing of the vertically arranged louvers and the left and right movement of the horizontally arranged louvers. However, the existing air guiding device has a large number of components, a complex structure, high production cost, and limited coverage of air supply.

Utility model content

The main purpose of the utility model is to provide an air guide device, which aims to solve the technical problems of the existing air guide device with complex structure and small air supply area.

In order to achieve the above purpose, the utility model provides an air guide device, which includes an air guide support with a circular air outlet, and an air guide corresponding to the position of the air outlet and rotatable around the axis of the air outlet , a drive mechanism arranged between the air guide bracket and the air guide, and a positioning device corresponding to the air guide, when the drive mechanism drives the air guide to rotate to a preset position , the positioning device forms an induction signal.

Preferably, the air guide includes a circular outer frame and guide vanes arranged in the outer frame, and the positioning device includes a switch body fixed on the bracket of the air guide and a switch body fixed on the There is a trigger element on the outer frame, and when the drive mechanism drives the air guide to rotate to a preset position, the trigger element is coupled with the switch body, so that the switch body forms an induction signal.

Preferably, the air deflector bracket includes a frame surrounding the air outlet and a support base corresponding to the position of the air outlet, and the support base is connected to the air outlet by a plurality of support arms spaced along the circumferential direction. The frames are connected, the driving mechanism is fixed on the air outlet side of the support seat, and at least one support arm is recessed with a mounting groove adapted to the switch body, and the side wall of the mounting groove is provided with The first limit protrusion snap fits with the edge of the switch body, the side of the outer frame facing the support arm is protruded with a mounting boss, and the end surface of the mounting boss is provided with a The trigger element is plugged into a suitable slot, and the second limit protrusion is located in front of the entrance of the slot.

Preferably, the switch body is a magnetic sensor, and the trigger element is a magnet.

Preferably, the trigger element includes a plate-shaped insertion piece and a magnet provided on the insertion piece, and the opposite ends of the insertion piece are inserted into the slot.

Preferably, the drive mechanism includes a motor base, a motor fixed to the motor base, a cover plate fixed to the air outlet side of the motor base, and a cover plate interposed between the motor base and the cover plate. A driven plate that can rotate around the central axis of the motor base, and a driving wheel that is fixed to the output shaft of the motor and interlocks with the driven plate, and the driven plate is fixed to the air guide.

Preferably, a first annular guide structure is provided between the driven plate and the motor seat to fit axially to radially position the driven plate; and/or, the driven plate A second annular guide structure is provided between the driven plate and the gland plate to fit axially to radially position the driven plate; wherein,

The first annular guide structure includes a first annular guide rail arranged on the motor base and a first annular guide groove matched with the first annular guide rail;

The second annular guide structure includes a second annular guide rail arranged on the gland plate and a second annular guide groove matched with the second annular guide rail, the first annular guide groove and the second annular guide groove The annular guide grooves are all arranged on the driven disk.

In addition, in order to achieve the above purpose, the utility model also provides an indoor unit of an air conditioner, which includes a housing, a heat exchanger, a fan, and an air duct placed in the housing, and the indoor unit of the air conditioner also includes any one of the above-mentioned In the air guiding device described in the technical solution, the air inlet end of the air duct is located at the lower back side of the housing, the air outlet end of the air duct is located at the upper front side of the housing, and the air duct is located at the upper front side of the housing. The wind device is located at the wind outlet end of the air duct.

Preferably, the indoor unit of the air conditioner further includes an air outlet inner frame connected to the casing, the air outlet inner frame is provided with a through hole for accommodating the air guiding device, and the air guiding member bracket is connected to the air guiding device. The air outlet inner frame is movably connected, and the air guiding device can reciprocate along the axial direction of the air outlet.

Preferably, the indoor unit of the air conditioner further includes a movable door movably connected with the casing, and the movable door can be retracted to the first position with the lower part of the casing and partly extended to the casing Switch between the second position on the upper part of the housing, when the movable door moves to the first position, the movable door is away from the air outlet of the housing, so that the air outlet of the housing communicates with the outside world; When the movable door moves to the second position, the movable door covers the air outlet of the casing.

The air guiding device provided by the utility model and the air conditioner indoor unit provided with it adopt the continuously rotating air guiding part to guide the air, and the whole set of the air guiding device has a small number of component parts, which greatly simplifies the structural design. On the one hand, the movement of the air guide is stable and the noise is small; on the other hand, the wind resistance of the wind passing through the air guide is small, so the loss of air volume is small, and at the same time, the air supply angle is large and the distance is longer; in addition, the positioning device can accurately detect the air guide. The position of the air element controls the air guiding direction of the air guiding element to achieve diversified air supply and improve user experience.

Description of drawings

Fig. 1 is the exploded schematic diagram of an embodiment of the wind guiding device of the present utility model;

Fig. 2 is a schematic structural diagram of the air guide bracket shown in Fig. 1;

Fig. 3 is a partially enlarged view of part A shown in Fig. 2;

Fig. 4 is a schematic structural diagram of the air guide shown in Fig. 1;

Fig. 5 is a partially enlarged view of part B shown in Fig. 4;

Fig. 6 is a schematic diagram of assembly of an embodiment of the wind guiding device of the present invention;

Fig. 7 is a partially enlarged view of part C shown in Fig. 6;

Fig. 8 is an exploded schematic diagram of an embodiment of the driving mechanism of the air guiding device of the present invention.

The realization of the purpose of the utility model, functional features and advantages will be further explained with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides an indoor unit of an air conditioner. In the first embodiment, the indoor unit of the air conditioner includes a housing (wherein Fig. 1 shows the front shell 100 of the housing) and a heat exchanger placed in the housing , a fan and an air duct (not shown in the figure), wherein the housing is provided with an air inlet and an air outlet connected to the air duct, the heat exchanger and the fan are located in the air duct, and driven by the fan, the air enters the air from the air inlet. After heat exchange by the heat exchanger, it is sent out from the air outlet along the air channel, thereby realizing the function of adjusting the ambient temperature. In actual application, the indoor unit of the air conditioner can be configured as a vertical air conditioner indoor unit that can stand stably on the ground, or the indoor unit of the air conditioner can be configured as a wall-mounted air conditioner indoor unit suspended on the wall. To adapt to a variety of space layout requirements. For the vertical air conditioner indoor unit, in order to reduce noise, the air inlet can be arranged on the back side lower part of the housing, and the air outlet can be arranged on the front side upper part of the housing.

In addition, the indoor unit of the air conditioner in this embodiment also includes an air guiding device, which is fixedly connected to the casing and located at the end of the air outlet of the air duct, so that the wind sent through the air duct is controlled by the air guiding device. Orientation to achieve multi-style air supply.

In the second embodiment of the indoor unit of the air conditioner, the air guiding device is movably connected with the casing, and a driving mechanism for driving the air guiding device to reciprocate in the axial direction along the air outlet is arranged between the two. When the air conditioner is running, the air guide device is driven to move a certain distance to the outside of the air outlet to extend the effective air supply stroke of the air duct and achieve the purpose of reducing air loss and noise; when the air conditioner is turned off, the air guide device Driven by the reverse direction, it moves a certain distance to the inner side of the air outlet to realize reset, so that the overall appearance of the indoor unit of the air conditioner is beautiful.

In the third embodiment of the indoor unit of the air conditioner, an air outlet inner frame 200 can also be added between the air guide device and the casing. The frame 200 is movably connected, that is, the air guiding device can reciprocate along the axial direction of the air outlet under the drive of the driving mechanism. The related connection structure between the two can refer to the description of the second embodiment above, but compared The second embodiment, this embodiment can simplify the structural design of the shell and reduce the difficulty of assembling the whole machine of the air conditioner indoor unit by adding the air outlet inner frame 200, and the air guide device and the air outlet inner frame 200 composed of multiple components It is pre-assembled as a whole, which greatly improves the assembly efficiency. In addition, the surrounding walls of the air outlet inner frame 200 form a deep cavity structure, and the air guide device is embedded in the air outlet inner frame 200 as a whole, so that the connecting sections of the air duct are connected in place, and the resistance of the air duct is small, which is conducive to improving air delivery. Air volume.

In the fourth embodiment of the indoor unit of the air conditioner, a dodge door (not shown) that is movably connected with the housing is added in the housing, and the dodge door can be retracted to the first position and a part of the lower part of the housing. Extending to the upper part of the casing to switch between the second position, when the movable door moves to the first position, the movable door is far away from the air outlet of the casing, so that the air outlet of the casing communicates with the outside world; when the movable door moves When reaching the second position, the movable door covers the air outlet of the casing. Thus, the air outlet of the casing can be opened or closed according to the use state of the air conditioner. By selectively closing the air outlet of the casing, on the one hand, dust can be prevented from entering the interior and polluting the air; The appearance is more beautiful. In addition, on the basis of this embodiment, it can also be combined with the second and third embodiments of the indoor unit of the air conditioner. When the air conditioner is turned off, the air guiding device is reversely driven to move a certain distance inside the air outlet, thereby The avoidance space can be provided for the closing process of the movable door, and the thickness of the indoor unit of the air conditioner is greatly reduced, which is conducive to the development of the product to an ultra-thin model. Moreover, when the air conditioner is running, the air guiding device is driven to move a certain distance outside the air outlet, so that the air guiding device can closely connect the air outlet of the casing with the air duct, further reducing air volume loss and noise.

Referring to Figures 1 to 8, in any embodiment of the indoor unit of the above air conditioner, the air guide device includes an air guide bracket 300 with a circular air outlet 311, which corresponds to the position of the air outlet 311 and can be wound out The air guide 400 that the axis of the tuyere 311 rotates, the driving mechanism 500 arranged between the air guide bracket 300 and the air guide 400, and the positioning device 600 corresponding to the air guide 400, wherein the driving mechanism 500 is used to give The rotational movement of the air guide 200 provides power to make the air guide 400 rotate at a preset speed and direction. The positioning device 600 is used to detect the position of the air guide 400. When the air guide 400 rotates to the preset position, the positioning device 600 forms an induction signal, so that the initial position of the air guide 400 can be accurately known, and then the air guide 400 can be positioned at a specific position by calculating the rotation angle of the drive mechanism 500 to drive the air guide 400 from the preset position , so as to achieve a specific angle of wind guidance. The air guide bracket 100 of this embodiment is a component independent of the housing. Compared with the installation and positioning structure of the air guide device integrally formed on the housing, no matter from the perspective of structural design or manufacturing process, , are beneficial to the production of indoor units of air conditioners, greatly reducing production costs, while the split structure is also conducive to after-sales maintenance operations.

The wind guide 400 includes a circular outer frame 410 and a plurality of guide vanes 420 disposed inside the outer frame 410 , the outer frame 410 is used to receive the power output of the driving mechanism 500 and provide corresponding support for the guide vanes 420 . The positioning device 600 includes a switch body 610 fixed on the air guide bracket 300 and a trigger element 620 fixed on the outer frame 410, wherein the switch body 610 is connected with the controller of the indoor unit of the air conditioner to send the formed induction signal to the controller The device accurately reflects the position of the air guide 400, and the switch body 610 and the trigger element 620 have a corresponding positional relationship. A strong coupling is formed so that the switch body 610 forms an inductive signal.

The guide vanes 420 are in the shape of a straight plate, and are equidistant and parallel distributed in the outer frame 410. The positions away from the outer frame 410 are connected to each guide vane 420 by ribs perpendicular to the guide vanes 420, so as to improve the overall strength and stability of the air guide 400. stiffness. In addition, in order to realize the air guide function (that is, to blow air to a specific position by rotating the air guide 400 to a specific angle), the guide vane 420 is inclined at a certain angle relative to the central axis of the air guide 400 . Alternatively, the guide vanes 420 are distributed radially based on the center of the outer frame 410 , and the guide vanes 420 are twisted clockwise or counterclockwise as a whole, so that the two sides of the guide vanes 420 tangential to the wind have a wind guiding effect. In addition, the air guiding element 400 also has various other implementations to meet various air guiding requirements, which will not be listed here.

Specifically, the air guide bracket 300 includes an annular frame 310 surrounding the air outlet 311 and a support seat 320 corresponding to the position of the air outlet 311. The support seat 320 can be arranged in the air outlet 311, or the support The seat 320 is arranged outside the air outlet 311, and the support seat 320 is connected to the frame body 310 through a plurality of support arms 330 spaced along the circumferential direction, so that the driving mechanism 500 can be fixed on the air outlet side of the support seat 320, thereby The installation and positioning of the air guide 400 is realized. Since both the support base 320 and the support arm 330 are located in the air duct, the wind resistance will be increased to a certain extent, so the number of support arms 330 can be reduced under the requirement of the connection strength in practical application, such as the support base 320 of this embodiment The frame body 310 is connected to the frame body 310 through three support arms 330 uniformly distributed along the circumferential direction, and the windward surface of the support seat 320 is configured as a hemispherical surface or a conical surface.

The air guide 400 is installed in the frame body 310 and controls the gap between the outer peripheral surface of the air guide 400 and the inner peripheral surface of the frame body 310 , thereby reducing air volume loss and noise. Corresponding to the arrangement of the wind guide 400, the trigger element 620 is installed on the windward side of the wind guide 400, and the switch body 610 is installed on the support arm 330. By choosing this arrangement, the wind volume of the positioning device 600 can be reduced. and noise effects. It is worth mentioning that by installing the switch body 610 on multiple support arms 330 respectively, multiple initial positions of the air guide 400 can also be formed, so when the air guide direction of the air guide 400 is selected, the guide The wind part 400 quickly locates the starting position and rotates to the preset position. In this embodiment, the switch body 610 is installed on one of the support arms 330 as an example for illustration. The support arm 330 is recessed with a mounting groove 331 adapted to the switch body 610, and the side wall of the mounting groove 331 is provided with a switch body. The edge of the main body 610 snaps into the first stop protrusion 333 , wherein the installation groove 331 can be set on the side of the support arm 330 facing the air guide 400 , or can be set on the side of the support arm 330 facing away from the air guide 400 For the latter, in order to ensure that the switch body 610 can be strongly coupled with the trigger element 620, the bottom surface of the mounting groove 331 is provided with a through hole 332 for the effective coupling part of the switch body 610 to be exposed. By pressing the switch body 610 It can be put into the installation groove 331, and the switch body 610 can be prevented from falling out under the clamping action of the first limiting protrusion 333. It not only has a simple structure, but also has a good fixing effect, so it is suitable for fixing small-sized structural parts. As for the fixing structure of the trigger element 620, in one of the optional embodiments, a mounting boss 411 is protruded from the side of the outer frame 410 facing the support arm 330, and the mounting boss 411 can be any suitable shape and structure, but It is advisable to choose a shape that matches the shape of the trigger element 620 to reduce the occupied space. The end surface of the installation boss 411 is provided with a slot that is plugged and adapted to the trigger element 620, and a second slot that is located in front of the entrance of the slot. The second limiting protrusion 412 can be stably positioned in the slot of the installation boss 411 by pushing the trigger element 620 over the second limiting protrusion 412, which has the characteristics of simple structure and easy disassembly and assembly.

In other embodiments, the switch body 610 and the trigger element 620 can also be fixed on their corresponding structures by screws. Without considering other conditions, it is only ensured that the switch body 610 is located on the stationary part, and the trigger element 620 is located on the stationary part. It only needs to be on the moving parts, and the switch body 610 and the trigger element 620 can be strongly coupled.

In a preferred embodiment, the positioning device 600 adopts a non-contact detection principle. For example, the positioning device 600 is a magnetic induction switch, the switch body 610 is a magnetic sensor, and the trigger element 620 is a magnet. In order to facilitate the installation of the trigger element 620, the trigger element 620 includes a plate-shaped insertion piece 621 and a magnet 622 arranged on the insertion piece 621. The opposite ends of the insertion piece 621 are plugged into the slots of the installation boss 411; for another example, the positioning device 600 is a photoelectric switch. The switch body 610 is integrated with a transmitter and a receiver, and the trigger element 620 has a reflective surface. When the switch body 610 is facing the trigger element 620, the light beam emitted by the transmitter enters the receiver after being reflected by the trigger element 620, so the receiver A sensing signal is formed; for another example, the positioning device 600 is a proximity switch, specifically a capacitive proximity switch or an inductive proximity switch. Of course, the positioning device 600 may also be any other suitable switch detection device, including contact type and non-contact type, which will not be listed here.

As one of the preferred embodiments of the driving mechanism 500, the driving mechanism 500 includes a motor base 520, a motor 510 fixed on the motor base 520, a gland plate 550 fixed on the air outlet side of the motor base 520, and a 520 and the gland plate 550 and the driven disc 540 that can rotate around the central axis of the motor base 520, and the driving wheel 530 that is fixed on the output shaft of the motor 510 and is linked with the driven disc 540, wherein the driven disc 540 and The air guide 400 is fixed, and the air guide 400 rotates with the driven disk 540 . For example, the air guide 400 also has a central platform 430 at its center, and is connected with the driven disk 540 through the central platform 430 . In this embodiment, the driving mechanism 500 is fixed on the support base 320, and the end surface of the support base 320 on the air outlet side is recessed inward to form a housing cavity for the motor 510 and the motor base 520, thereby reducing the number of components located in the air duct. Air volume and noise are affected. In addition, the driving wheel 530 and the driven plate 540 can be configured in various structural forms, and the transmission between the two can be realized by selecting the corresponding matching type. More specifically, the driving wheel 530 is a gear, and the driven plate 540 is hollow, and a number of gear teeth 541 evenly distributed along the circumferential direction are formed on its inner peripheral surface (the driven plate 540 is equivalent to an internal gear), so that the driving wheel 530 meshes with the gear teeth 541 of the driven disc 540 to realize the transmission; for another example, the driving wheel 530 is a friction wheel, the driven disc 540 is hollow, and the driving wheel 530 is in contact with the inner peripheral surface of the driven disc 540. It should be understood that , the two should be in close contact and have a sufficiently large static friction force to realize transmission; for another example, both the driving pulley 530 and the driven disk 540 are pulleys, and the two are driven by a belt. A skilled person may make adaptive changes to the relevant components of the driving mechanism 500 under the inspiration of this embodiment, which will not be repeated here. Preferably, the driving wheel 530 and the driven plate 540 of this embodiment are driven through gear teeth meshing, which makes the structure of the driving mechanism 500 more compact and saves space, and on the other hand, can drive the air guide 400 smoothly.

By adding a driving wheel 530 and a driven plate 540 between the output shaft of the motor 510 and the air guide 400, and the driven plate 540 is firmly rotated on the motor base 520, thus improving the air guide 400 to a great extent. The stability of the rotating motion can make the air guide 400 always rotate around the set axis, which can prevent the air guide 400 from shaking and causing noise during movement.

As shown in Figure 8, as a specific example structure, the motor base 520 is roughly circular, and its center is provided with a shaft hole 521 through which the output shaft of the power supply motor 510 passes. side, can play a role in saving space; the driven plate 540 is in the shape of a ring, which is sleeved on the motor base 520, and the two are connected in rotation, and then the driven plate is connected by the disc-shaped gland plate 550 540 is positioned to limit the movement of the driven plate 540 in the axial direction. For example, the motor base 520 is provided with a plurality of studs 522 spaced along the circumferential direction and extending toward the gland plate 550. The gland plate 550 is connected to the gland plate 550 through the screws The corresponding studs 522 are connected; and the driven plate 540 and the wind guide 400 are also preferably locked and fixed by screws, and the end surface of the driven plate 540 is provided with a plurality of spaced apart along the circumferential direction and facing the wind guide. 400 extends the stud 542 , wherein the height of the stud 542 should be greater than the maximum thickness of the gland plate 550 to prevent the air guide 400 from interfering with the gland plate 550 . In addition, a disk-shaped connecting piece (not shown) may also be added between the driven disk 540 and the air guide 400 , and by simplifying the structural design of the air guide 400 , it is beneficial to reduce the difficulty of forming the air guide 400 . Further, in order to reduce the frictional resistance between the motor base 520 and the driven disc 540 and prevent the driven disc 540 from crawling during rotation, a Roller or ball.

Further, a first annular guide structure is provided between the driven disc 540 and the motor seat 520 to fit in the axial direction to radially position the driven disc 540, and the first annular guide structure also functions as The function of supporting and stabilizing the driven plate 540 simplifies the structure design and enriches the realization functions of the structure. Wherein, the first annular guide structure includes a first annular guide rail 523 arranged on the motor base 520 and a first annular guide groove (not shown) matched with the first annular guide rail 523, the first annular guide groove is arranged on the driven On the side of the disk 540 facing the motor base 520, the first annular guide rail 523 is a closed structure extending continuously along the circumferential direction, which has a higher positioning and guiding effect. Of course, it can also be arranged in sections, but each section should be in the same position. on the circumference. In other embodiments, or between the driven plate 540 and the gland plate 550, a second annular guide structure (not shown) that is fitted in the axial direction to radially position the driven plate 540 is provided. , to replace the above-mentioned first annular guide structure or use in combination with the first annular guide structure, the function of the second annular guide structure is the same as that of the first annular guide structure, wherein the second annular guide structure includes a The second annular guide rail and the second annular guide groove matched with the second annular guide rail, the second annular guide groove is also arranged on the driven disk 540 .

According to the technical solution of the embodiment of the utility model, by adopting the continuously rotating air guiding member 400 to guide the air, the number of component parts of the whole set of air guiding device is small, which greatly simplifies the structural design. On the one hand, the air guiding member 400 moves smoothly, The noise is small, on the other hand, the wind resistance of the wind passing through the air guide 400 is small, so the loss of air volume is small, and at the same time, the air supply angle is large and the distance is longer; in addition, the position of the air guide 400 can be accurately detected by the positioning device 600, Thus, the air guiding direction of the air guiding member 400 is controlled to realize diversified air supply and improve user experience.

The above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. The air guide device is characterized by comprising an air guide support with a circular air outlet, an air guide which corresponds to the position of the air outlet and can rotate around the axis of the air outlet, a driving mechanism which is arranged between the air guide support and the air guide, and a positioning device which corresponds to the air guide, wherein the driving mechanism drives the air guide to rotate to a preset position, and the positioning device forms an induction signal.

2. The air guide device according to claim 1, wherein the air guide member includes an outer frame having a circular ring shape and a guide vane disposed in the outer frame, the positioning device includes a switch body fixed to the air guide member bracket and a trigger element fixed to the outer frame, and when the driving mechanism drives the air guide member to rotate to a preset position, the trigger element is coupled to the switch body, so that the switch body forms an induction signal.

3. The air guide device according to claim 2, wherein the air guide support includes a frame body enclosing the air outlet and a support seat corresponding to the position of the air outlet, the support seat is connected to the frame body through a plurality of support arms spaced apart along a circumferential direction, the driving mechanism is fixed on an air outlet side of the support seat, at least one support arm is concavely provided with a mounting groove adapted to the switch body, a first limit protrusion engaged with an edge of the switch body is provided on a side wall of the mounting groove, a mounting boss is convexly provided on a side of the outer frame facing the support arms, and a slot engaged with the trigger element and a second limit protrusion located in front of an inlet of the slot are provided on an end surface of the mounting boss.

4. The air guiding device as defined in claim 3, wherein the switch body is a magnetic sensor, and the triggering element is a magnet.

5. The air guide device as claimed in claim 4, wherein the trigger element includes a plate-shaped insertion piece and a magnet disposed on the insertion piece, and opposite ends of the insertion piece are in insertion fit with the insertion slots.

6. The air guide device according to claim 1, wherein the driving mechanism includes a motor base, a motor fixed to the motor base, a gland plate fixed to an air outlet side of the motor base, a driven disc interposed between the motor base and the gland plate and rotatable around a central axis of the motor base, and a driving wheel fixed to an output shaft of the motor and interlocked with the driven disc, and the driven disc is fixed to the air guide.

7. The air guide device as claimed in claim 6, wherein a first annular guide structure is provided between the driven disc and the motor base, and the first annular guide structure is axially engaged with the motor base to radially position the driven disc; and/or a second annular guide structure which is embedded in the axial direction and used for radially positioning the driven disc is arranged between the driven disc and the gland plate; wherein,

the first annular guide structure comprises a first annular guide rail arranged on the motor base and a first annular guide groove matched with the first annular guide rail;

the second annular guide structure comprises a second annular guide rail arranged on the gland plate and a second annular guide groove matched with the second annular guide rail, and the first annular guide groove and the second annular guide groove are both arranged on the driven disc.

8. An air conditioner indoor unit, comprising a shell, a heat exchanger, a fan and an air duct, wherein the heat exchanger, the fan and the air duct are arranged in the shell, the air conditioner indoor unit is characterized by further comprising the air guide device as claimed in any one of claims 1 to 7, an air inlet end of the air duct is positioned at the lower portion of the back side of the shell, an air outlet end of the air duct is positioned at the upper portion of the front side of the shell, and the air guide device is positioned at the tail end of the air outlet of the air duct.

9. The indoor unit of claim 8, further comprising an inner air outlet frame connected to the housing, wherein the inner air outlet frame is provided with a through hole for accommodating the air guide device, the air guide device bracket is movably connected to the inner air outlet frame, and the air guide device can reciprocate along the axial direction of the air outlet.

10. The indoor unit of claim 8, further comprising a movable door movably connected to the housing, wherein the movable door is switchable between a first position in which the movable door is retracted to a lower portion of the housing and a second position in which a portion of the movable door is extended to an upper portion of the housing, and wherein the movable door is moved to the first position to be away from the outlet of the housing, such that the outlet of the housing is in communication with the outside; when the movable door moves to the second position, the movable door shields the air outlet of the shell.