CN210399158U - Indoor machine of cabinet air conditioner - Google Patents

Abstract

The utility model provides a cabinet air conditioner indoor unit, which comprises a housing, air supply component and lower wind-guiding component down, the air outlet has been seted up to the antetheca of casing down, the air supply component is including air supply fan down, lower wind-guiding component includes the wind-guiding frame, deep bead and a actuating mechanism, the antetheca of wind-guiding frame is formed with the air outlet with the butt joint of air outlet down, the deep bead is located air outlet department, set up to going up and down under an actuating mechanism's drive, with the size of adjusting the air outlet down, thereby the amount of wind of control blowing to the indoor environment, the requirement of user to different air output has been satisfied, user experience has been promoted.

Description

Indoor machine of cabinet air conditioner

Technical Field

The utility model relates to an air treatment equipment technical field especially relates to a cabinet air conditioner indoor unit.

Background

The air conditioner is one of the necessary household appliances, and the cabinet air conditioner indoor unit is a common indoor unit form, and has the characteristics of high power and quick refrigeration and heating, so that the application is very wide.

The size of air outlet generally can't be adjusted to current cabinet air conditioner indoor set, and the air output of air outlet remains unchanged throughout, can't satisfy user's diversified demand, and user uses and experiences relatively poorly.

Disclosure of Invention

An object of the utility model is to provide a cabinet air conditioner indoor set that use experience is good.

A further object of the present invention is to avoid the formation of condensation on the ground by the air flow blown out of the lower outlet.

The utility model discloses an air supply scope of air outlet in the increase of further purpose.

Particularly, the utility model provides a cabinet air conditioner indoor unit, include:

the air conditioner comprises a shell, a fan and a fan, wherein an air inlet is formed in the shell, and a lower air outlet is formed in the front wall of the shell;

a lower air supply member including a lower air supply fan configured to draw in ambient air from an environment surrounding the air inlet and cause it to flow toward the lower air outlet;

the heat exchanger is arranged on an air inlet flow path between the air inlet and the lower air supply fan and exchanges heat with ambient air entering from the air inlet so as to form heat exchange airflow;

a lower air guide member configured to guide an air flow blown out by the lower air supply fan to the lower air outlet;

wherein the lower wind guide member includes:

the front wall of the air guide frame is provided with an airflow outlet butted with the lower air outlet;

the air baffle is positioned at the air flow outlet and is driven by the first driving mechanism to lift so as to adjust the size of the lower air outlet.

Optionally, the air deflector is located on a front side of the air flow outlet; the air guide frame is positioned above the airflow outlet to form an installation part;

the first drive mechanism includes:

the first motor is arranged on the mounting part;

the gear is in transmission connection with the first motor, and the rack is arranged on the rear wall of the wind shield and meshed with the gear to drive the wind shield to move up and down.

Optionally, the first drive mechanism further comprises:

the two vertically extending guide rails are arranged on the two transverse sides of the front wall of the air guide frame and are positioned on the two transverse sides of the wind shield;

at least one positioning column extending transversely is formed on each of the two transverse sides of the wind shield, extends to the corresponding guide rail and is arranged to slide up and down along the corresponding guide rail along with the lifting of the wind shield.

Optionally, the lower air outlet is formed in an area of the front wall of the casing, which is adjacent to the bottom end;

an airflow inlet is formed at the upper end of the air guide frame, an air supply duct which is used for communicating the airflow inlet with the airflow outlet is limited in the air guide frame, and airflow blown out by the lower air supply fan enters the air supply duct through the airflow inlet;

the bottom wall of the air supply duct comprises an arc-shaped section, the arc-shaped section is shaped into a groove which is sunken downwards, and the front end of the arc-shaped section has a trend of extending towards the upper part.

Optionally, an upper air outlet is formed in a region, close to the top end, of the front wall of the casing;

the indoor unit further includes:

an upper air supply member including an upper air supply fan configured to draw in ambient air from an environment surrounding the air inlet and cause it to flow through the heat exchanger towards the upper air outlet;

the upper air guide component is positioned behind the upper air outlet and comprises at least two air guide rings which are provided with front and rear openings and are communicated in the middle, the air guide rings are sequentially arranged in the front and rear direction to form a communicated air channel which penetrates through the air guide rings, a jet opening is formed between every two adjacent air guide rings, and the jet opening is configured to guide heat exchange airflow blown out by the upper air supply fan to the communicated air channel and eject the airflow forwards so as to drive the air in the communicated air channel to be sent to the upper air outlet forwards.

Optionally, a natural air inducing port is formed in a region of the rear wall of the casing, which is opposite to the through air duct, so that when the jet port ejects the air flow in the through air duct forward, ambient air around the natural air inducing port flows forward to enter the through air duct to be mixed with the heat exchange air flow blown out by the jet port.

Optionally, the number of the air guide rings is at least four, wherein two air guide rings in the middle are marked as two middle air guide rings; the indoor unit further comprises a second driving mechanism which is connected with the two middle air guide rings and configured to enable the two middle air guide rings to move so as to adjust the air supply direction of the two middle air guide rings.

Optionally, the upper wind guide member further comprises: the mounting plate is positioned in front of the air guide ring at the foremost side and is provided with an opening communicated with the through air duct;

the second drive mechanism includes:

a second motor disposed below the front side of the mounting plate and having an output shaft parallel to the height direction of the housing;

the driving box is positioned below the air guide ring, the front end of the driving box is arranged on the mounting plate, the rear end of the driving box is arranged on the air guide ring behind the rear middle air guide ring, and a first fixing shaft which is parallel to an output shaft of the second motor and extends upwards is formed in the driving box;

the first crank is positioned in the driving box, is rotatably connected with the first fixed shaft, and is provided with a first connecting shaft which is parallel to the output shaft of the second motor and extends upwards and a second connecting shaft which extends downwards, and the first connecting shaft penetrates through the driving box and is fixedly connected with the lower end of the middle air guide ring positioned in front;

one end of the second crank is fixedly connected with an output shaft of the second motor, and a rotating shaft which is parallel to the output shaft of the second motor and extends upwards is formed at the other end of the second crank; one end of the driving connecting rod is connected with the rotating shaft of the second crank, and the other end of the driving connecting rod penetrates through the driving box to be connected with the second connecting shaft so as to drive the middle air guide ring positioned in front to rotate leftwards or rightwards; and

the balance connecting rods extend horizontally and are positioned above the two middle air guide rings, and two ends of each balance connecting rod are respectively and rotatably connected with the upper ends of the two middle air guide rings so as to drive the middle air guide ring positioned at the rear to rotate synchronously when the middle air guide ring positioned at the front rotates.

Optionally, the second drive mechanism further comprises:

the supporting box is positioned above the air guide ring, the front end of the supporting box is arranged on the mounting plate, and the rear end of the supporting box is arranged on the air guide ring behind the rear middle air guide ring;

the third crank is positioned in the supporting box and is provided with a third connecting shaft which is parallel to and opposite to the first connecting shaft, and the third connecting shaft penetrates through the supporting box and extends downwards to be fixedly connected with the upper end of the middle air guide ring positioned in front;

the number of the balance connecting rods is two, and the two balance connecting rods are located on the two transverse sides of the support box in the transverse direction.

Optionally, both lateral side edges of the driving box and both lateral side edges of the supporting box are streamline with the middle concaved inwards.

The utility model discloses a cabinet air conditioner indoor unit, airflow outlet department are provided with the deep bead, and the size of air outlet under the deep bead liftable removal was adjusted to control blows to the amount of wind of indoor environment, has satisfied the requirement of user to different air output, has promoted user's use and has experienced.

Further, the utility model discloses a cabinet air conditioner indoor unit, the air supply wind channel of wind-guiding frame have the special design structure, can lead the air-out of air outlet down to the front upper place, avoid the air-out to blow downwards to ground and lead to forming the problem of condensation.

Further, the utility model discloses a cabinet air conditioner indoor unit, two wind-guiding circle motions in the middle of the second actuating mechanism drive is adjacent, changes the air supply direction who link up the wind channel, adjusts the air supply direction of air outlet, increases the air supply coverage for indoor whole region is even, reach the refrigeration heating effect fast.

Still further, the utility model discloses a cabinet air conditioner indoor unit, the horizontal both sides edge of drive box among the second actuating mechanism and support box all is the middle streamlined to the inboard sunken, has reduced drive box and support box size on horizontal to reduce the windage, increase and get into the amount of wind that link up the wind channel by the efflux mouth, simultaneously, the condensation problem on wind-guiding circle bottom and top when having reduced the refrigeration mode makes the air current flow more smooth and easy moreover.

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

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic perspective view of a cabinet air conditioner indoor unit according to an embodiment of the present invention, wherein a wind deflector is in an open state;

fig. 2 is a side view of a cabinet air conditioner indoor unit according to an embodiment of the present invention;

fig. 3 is an exploded view of a cabinet air conditioner indoor unit according to an embodiment of the present invention;

fig. 4 is an exploded view of a lower air guide member of a cabinet air conditioner indoor unit according to an embodiment of the present invention;

fig. 5 is a schematic view of one direction of a lower air guide member of an indoor unit of a cabinet air conditioner according to an embodiment of the present invention, in which a wind guard is in a closed state;

fig. 6 is a schematic view of one direction of a lower air guide member of an indoor unit of a cabinet air conditioner according to an embodiment of the present invention, in which a wind guard is in an open state;

fig. 7 is a schematic view of another direction of the lower air guide member of the indoor unit of the cabinet air conditioner according to the present invention, wherein the air deflector is in an open state;

fig. 8 is a schematic view of a wind guiding frame of a cabinet air conditioner indoor unit according to an embodiment of the present invention;

fig. 9 is a side view of the upper air guide member and the second driving mechanism of the indoor unit of the cabinet air conditioner according to an embodiment of the present invention;

fig. 10 is a perspective view of the upper air guide member and the second driving mechanism of the indoor unit of the cabinet air conditioner according to an embodiment of the present invention;

FIG. 11 is an exploded schematic view of FIG. 10;

fig. 12 is a schematic partial exploded view of an upper air guide member of an indoor unit of a cabinet air conditioner according to an embodiment of the present invention;

fig. 13 is an exploded view of the driving box of the upper air guide member of the indoor unit of the cabinet air conditioner and its internal components in one direction according to an embodiment of the present invention;

fig. 14 is an exploded view of the driving box of the upper air guide member of the indoor unit of the cabinet air conditioner and its internal components in another direction according to an embodiment of the present invention; and

fig. 15 is an exploded view of the support box of the upper air guide member of the indoor unit of the cabinet air conditioner and its internal components according to an embodiment of the present invention.

Detailed Description

For convenience of description, the directions "up", "down", "front", "back", "top", "bottom", "transverse", etc. mentioned in the description are defined according to the spatial position relationship of the cabinet air conditioner 100 in the normal working state, for example, as shown in fig. 2, the side of the cabinet air conditioner 100 facing the user is front, and the side close to the wall is back. The lateral direction means a direction parallel to the width direction of the indoor unit 100.

Fig. 1 is a schematic perspective view of a cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, wherein a wind screen 181 is in an open state, fig. 2 is a side view of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, and fig. 3 is an exploded view of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention.

The cabinet air conditioner indoor unit 100 generally includes a cabinet, an air supply assembly, and a heat exchanger 107.

As shown in fig. 1-3, the enclosure may generally include a front panel 101, a casing 102 at the rear of the front panel 101, and a base 108 at the bottom, the front panel 101, the casing 102, and the base 108 cooperating to define a heat exchanging plenum chamber. The casing is provided with an air inlet 101 c. In some embodiments, the intake vent 101c may be formed in a rear wall of the housing, which may also be understood as being formed in a rear wall of the casing 102. In an alternative embodiment, the air inlet may be formed in a side wall of the housing.

In this embodiment, the front wall of the housing (i.e., the front wall of the front panel 101) is provided with a lower air outlet, the air supply assembly includes a lower air supply member, the lower air supply member includes a lower air supply fan 172, the lower air supply fan 172 is configured to suck ambient air from the surrounding environment of the air inlet 101c and urge the ambient air to flow to the lower air outlet 101b, and air flow is blown to the indoor environment through the lower air outlet 101 b.

The heat exchanger 107 is disposed on the intake air flow path between the intake port 101c and the lower air blower 172 to exchange heat with ambient air entering from the intake port 101c, thereby forming a heat exchange air flow. A water pan 109 may be disposed below the heat exchanger 107 to receive the condensed water on the heat exchanger 107. The heat exchanger is used as a part of a refrigeration system, the refrigeration system can be realized by utilizing a compression refrigeration cycle, and the compression refrigeration cycle realizes heat transfer by utilizing a compression phase change cycle of a refrigerant in a compressor, a condenser, an evaporator and a throttling device. The refrigeration system can also be provided with a four-way valve to change the flow direction of the refrigerant, so that the heat exchanger 107 can be alternately used as an evaporator or a condenser to realize the refrigeration or heating function. Since the compression refrigeration cycle in the air conditioner is well known to those skilled in the art, the operation principle and structure thereof will not be described herein.

Fig. 4 is an exploded view of the lower wind guide member 18 of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 5 is a schematic view of one direction of the lower wind guide member 18 of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, wherein the wind deflector 181 is in a closed state, fig. 6 is a schematic view of one direction of the lower wind guide member 18 of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, wherein the wind deflector 181 is in an open state, fig. 7 is a schematic view of the other direction of the lower wind guide member 18 of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, wherein the wind deflector 181 is in an open state.

In particular, as shown in fig. 4 to 7, the indoor unit 100 of the present embodiment further includes a lower air guide member 18 configured to guide an air flow blown by the lower air supply fan 172 to the lower outlet 101 b. Specifically, the lower wind guide member includes a wind guide frame 180, a wind guard 181, and a first driving mechanism. An airflow outlet 180b is formed in the front wall of the air guide frame 180 and is in butt joint with the lower air outlet 101b, so that the airflow blown by the lower air supply fan 172 is guided to the lower air outlet 101b and blown to the indoor environment through the lower air outlet 101 b.

The wind shield 181 is located airflow outlet 180b, and is set to lift under the drive of the first driving mechanism to adjust the size of the airflow outlet 180b, so that the size of the lower air outlet 101b is adjusted, the air quantity blown to the indoor environment is controlled, the requirements of users on different air output quantities are met, and the user use experience is improved.

In some embodiments, the wind deflector 181 is located on the front side of the air flow outlet 180b, and in alternative embodiments, the wind deflector 181 may be located on the rear side of the air flow outlet 180 b. The air guard 181 has a size such that it can completely cover the air outlet 180b when the air guard 181 is closed, thereby preventing a small animal from climbing into the indoor unit 100.

Referring to fig. 4 to 7, the air guide frame 180 is formed with a mounting portion 180c above the air outlet 180 b. The first driving mechanism comprises a first motor 186, a gear 183 and a vertically extending rack 184, the gear 183 is in transmission connection with the first motor 186, and the rack 184 is arranged on the rear wall of the wind shield 181 and meshed with the gear 183 to drive the wind shield 181 to move up and down. As shown in fig. 7, an output shaft of the first motor 186 may extend forward, the gear 183 is connected to the output shaft of the first motor 186 and rotates with the rotation of the output shaft of the first motor 186, and a lateral side of the rack 184 adjacent to the gear 183 is formed with teeth engaged with the gear 183, so that the rack 184 is driven to ascend and descend by the gear 183.

The first driving mechanism further includes two vertically extending guide rails 182, and the two guide rails 182 are disposed on two lateral sides of the front wall of the wind guide frame 180 and located on two lateral sides of the wind guard 181. At least one positioning column 181a extending transversely is formed on each of the two transverse sides of the wind deflector 181, and the positioning columns 181a extend to the corresponding guide rails 182 and slide up and down along the corresponding guide rails 182 along with the lifting of the wind deflector 181, so as to ensure the stability of the lifting of the wind deflector 181. The wind guard 181 moves upward to increase the opening of the airflow outlet 180b, and accordingly, the opening of the lower outlet 101b is increased, and the amount of air blown from the lower outlet 101b to the indoor environment is increased. The wind guard 181 moves downward, and the opening of the lower outlet 101b is reduced, so that the amount of air blown from the lower outlet 101b to the indoor environment is reduced.

Further, in the embodiment, the lower air outlet 101b may be formed in an area near the bottom end of the front wall of the cabinet, that is, the lower air outlet 101b is near the supporting surface of the cabinet air conditioner indoor unit 100, the indoor unit 100 blows air to the indoor environment from the bottom thereof, the temperature near the legs and feet of the user can be quickly raised/lowered during heating/cooling, and especially during heating, foot warming type air supply is realized, so as to bring better air supply experience to the user.

Fig. 8 is a schematic view of the air guiding frame 180 of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention.

Referring to fig. 4 and 8, an airflow inlet 180a is formed at an upper end of the air guide frame 180, an air supply duct 185 communicating the airflow inlet 180a with the airflow outlet 180b is defined in the air guide frame 180, and an airflow blown by the lower air supply fan 172 enters the air supply duct 185 through the airflow inlet 180 a.

Because air outlet 101b closes on the bottom of casing down, the air current that blows out by lower air outlet 101b directly blows to ground, and during the refrigeration mode, long-time cold wind blows to ground, produces the condensation easily, can cause ponding even, influences user experience, and has certain potential safety hazard.

Based on this problem, the applicant specially designs the structure of the air supply duct 185 to change the air outlet direction of the lower air outlet 101b, so as to avoid the above condensation problem. Specifically, referring to fig. 8, the bottom wall of the air supply duct 185 includes an arc-shaped section 185a, the arc-shaped section 185a is shaped as a groove that is concave downward, and the front end of the arc-shaped section 185a has a tendency to extend upward and forward, so that the air flow of the air supply duct 185 can be guided upward and forward by the arc-shaped section 185a, and the problem of condensation caused by the air flowing downward to the ground is avoided.

Referring to fig. 8, the air supply duct 185 further includes a first straight section 185d extending upward from the upper end of the arc-shaped section 185a, a second straight section 185b extending forward and upward from the front end of the arc-shaped section 185a, and a third straight section 185c extending forward from the front end of the second straight section 185b, wherein the first straight section 185d, the arc-shaped section 185a, the second straight section 185b, and the third straight section 185c form the rear wall and the bottom wall of the air supply duct 185, the second straight section 185b and the third straight section 185c have a length dimension substantially smaller than that of the arc-shaped section 185a, the arc-shaped section 185a has the most significant guiding effect on the air flow, and the air flow blown out from the lower air outlet 101b is blown forward or forward and upward under the guidance of the arc-shaped section 185a, the second straight section 185b, and the third straight section 185c, so as to reduce the condensation problem.

In some embodiments, referring to fig. 1 to 3, an upper air outlet 101a is opened in a region of the front wall of the casing near the top end, the air supply assembly further includes an upper air supply member and an upper air guide member 10, the upper air supply member includes an upper air supply fan 173, and the upper air supply fan 173 is configured to suck ambient air from the surrounding environment of the air inlet 101c and cause the ambient air to flow to the upper air outlet 101a through the heat exchanger 107, that is, cause a part of the heat exchange air flow to flow upward to the upper air guide member 10, and be guided to the upper air outlet 101a by the upper air guide member 10 and blown to the indoor environment by the upper air outlet.

The upper air supply fan 173 and the lower air supply fan 172 can be both centrifugal fans, and the rotation axes of the centrifugal fans are arranged along the front-back direction of the casing, so that the upper air supply fan 173 and the lower air supply fan 172 suck heat exchange air flows from the rear ends of the respective shafts, the air flow direction is parallel to the axial direction of the respective shafts, and the wind resistance is reduced.

An upper scroll 171 is provided on the outer periphery of the upper air supply fan 173, a lower scroll 170 is provided on the outer periphery of the lower air supply fan 172, and the upper scroll 171 and the lower scroll 170 may be integrally formed. When the upper air supply fan 173 is driven by the upper high-speed motor 1751 to rotate along with the shaft, the air flow between the upper air supply fan 173 obtains centrifugal force along with the rotation of the upper air supply fan, the air is thrown out and enters the upper volute 171, and the pressure of the air in the upper volute 171 is increased and is guided and discharged to enter the upper air guide member 10. Referring to fig. 3, a support 11 is disposed between the upper wind guiding member 10 and the upper scroll casing 171, the support 11 is used for carrying the upper wind guiding member 10, and the support 11 is formed with an opening, so that the airflow flowing out from the wind outlet at the top end of the upper scroll casing 171 enters the upper wind guiding member 10 through the opening, is guided to the upper wind outlet 101a by the upper wind guiding member 10, and is blown to the indoor environment by the upper wind outlet 101 a.

An accommodating cavity is formed at the front end of the upper air supply fan 173, an upper baffle 1761 is arranged on the front side of the upper volute 171, the upper baffle 1761 and the upper volute 171 define a volute air channel for accommodating the upper air supply fan 173, an upper motor lining plate 1771 is arranged on the front side of the upper baffle 1761, the upper high-speed motor 1751 is positioned in the accommodating cavity and is fixed on the upper motor lining plate 1771 through an upper mounting piece 1741. Accordingly, a receiving chamber is formed at the front end of the lower air supply fan 172, a lower baffle 176 is provided at the front side of the lower volute 170, the lower baffle 176 and the lower volute 170 define a volute air duct for receiving the lower air supply fan 172, a lower motor lining plate 177 is provided at the front side of the lower baffle 176, and the lower high-speed motor 175 is located in the receiving chamber and fixed to the lower motor lining plate 177 by a lower mounting member 174.

When the lower blower fan 172 is driven by the lower high-speed motor 175 to rotate with the shaft, the air flow between the lower blower fan 172 obtains centrifugal force with its rotation, the air is thrown out and enters the lower volute 170, and the pressure of the air in the lower volute 170 is increased and guided to be discharged into the lower air guiding member 18. Referring to fig. 4, an air inlet 180a is formed at an upper end of the air guide frame 180 of the lower air guide member 18, and the air inlet 180a is in butt joint with an outlet at a lower end of the lower scroll casing 170, so that part of the heat exchange air flows through the lower air guide member 18 to the lower air outlet 101b, and is blown to the indoor environment from the lower air outlet 101 b.

The upper air supply fan 173 may be configured to operate when the heat exchanger 107 receives a cooling command, and the lower air supply fan 172 may be configured to operate when the heat exchanger 107 receives a heating command, so as to utilize the characteristics of sinking of cold air and floating of hot air, thereby saving energy consumption and simultaneously achieving rapid and uniform indoor temperature. The upper air supply fan 173 and the lower air supply fan 172 may also be configured to operate simultaneously.

Fig. 9 is a side view of the upper air guide member 10 and the second driving mechanism of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 10 is a perspective view of the upper air guide member 10 and the second driving mechanism of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, and fig. 11 is an exploded view of fig. 10.

The upper air guiding member 10 is located behind the upper air outlet 101a, and includes at least three air guiding rings 110 having front and rear openings and a through middle, each air guiding ring 110 is sequentially arranged in the front and rear direction to form a through air channel 1101 penetrating through each air guiding ring 110, a jet opening 110a is formed between two adjacent air guiding rings 110, and the jet opening 110a is configured to guide the heat exchange air flow to the through air channel 1101 and blow the air flow forward to drive the air in the through air channel 1101 to be sent forward to the upper air outlet 101 a. That is to say, each wind-guiding ring 110 is an annular wind-guiding ring which is through from front to back, each wind-guiding ring 110 has its own air inlet and air outlet, the rear opening of each wind-guiding ring 110 is its air inlet, the front opening is its air outlet, at least three wind-guiding rings 110 are arranged in sequence along the front-back direction, a jet opening 110a is formed between two adjacent wind-guiding rings 110, and two adjacent wind-guiding rings 110 are communicated through their through front-back openings, thereby forming a through air duct 1101.

Referring to fig. 2 again, in order to match the through air duct 1101, a natural air inducing port 101d is provided in a region of the rear wall of the housing opposite to the through air duct 1101, and when the jet port 110a ejects the air flow in the through air duct 1101 forward, ambient air around the natural air inducing port 101d is caused to flow forward and enter the through air duct 1101 to mix with the heat exchange air flow blown out by the jet port 110a, and is blown into the room from the upper air outlet 101a located on the front side, so that the overall air supply distance and air supply amount are increased, and the blown air flow is soft, and forms heat but not dry, cool but not cold comfortable air, so that the user experience is more comfortable. Wherein, the natural wind induced air port 101d and the upper air outlet 101a can be both circular.

As shown in fig. 9, in the present embodiment, four wind-guiding rings 110 are sequentially marked as a front wind-guiding ring, a first middle wind-guiding ring, a second middle wind-guiding ring, and a rear wind-guiding ring from front to back. The inner peripheral wall of each air guide ring 110 can be in a cylindrical shape gradually reduced from back to front, the air outlet of the back air guide ring extends into the air inlet (namely, a back opening) of the second middle air guide ring, the air outlet of the second middle air guide ring extends into the air inlet of the first middle air guide ring, the air outlet of the first middle air guide ring extends into the air inlet of the front air guide ring, and the air guide rings 110 are arranged at intervals in a non-contact manner, so that an annular jet opening 110a is defined by a gap between every two adjacent air guide rings 110. The jet port 110a forms a continuous outwardly-expanding coanda surface by means of the outwardly-expanding inner peripheral surface of the air guide ring 110 located on the front side, and the ambient air passing through the air duct 1101 can be driven by the acceleration of the airflow through the jet port 110 a. The ambient air is mixed with the heat-exchange air flow ejected from the ejection port 110a, thereby increasing the air supply distance and the air supply amount and forming soft comfortable air.

Referring to fig. 9, a plurality of flow deflectors 1102 distributed at intervals along the circumferential direction of the outer wall of each air guiding ring 110 may be formed, and the flow deflectors 1102 extend toward the jet orifice 110a and are used for dividing the jet orifice 110a into a plurality of jet sub-orifices uniformly distributed along the circumferential direction, so that the heat exchange air flow uniformly enters the through air duct 1101 along the circumferential direction.

Fig. 12 is a schematic diagram illustrating a partial explosion of the upper air guide member 10 of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 13 is a schematic diagram illustrating an explosion of the driving box 130 of the upper air guide member 10 and its internal components of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention, fig. 14 is a schematic diagram illustrating an explosion of the driving box 130 of the upper air guide member 10 and its internal components of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention in another direction, and fig. 15 is a schematic diagram illustrating an explosion of the supporting box 120 of the upper air guide member 10 and its internal components of the cabinet air conditioner indoor unit 100 according to an embodiment of the present invention.

Referring to fig. 9 to 11, upper air guide member 10 further includes mounting plate 140 located in front of air guide ring 110 at the foremost side, and provided in the housing and having opening 140a penetrating through air passage 1101. That is, the mounting plate 140 may be mounted on the inner side of the front panel 101 of the cabinet, with the rear side of the opening 140a thereof facing and communicating with the through-air duct 1101 and the front side facing and communicating with the upper air outlet 101 a. As shown in fig. 10, an opening 140a is formed on the front wall of the mounting plate 140, the opening 140a may be circular, and another wind-guiding ring 141 extending from the rear to the front of the opening 140a is formed on the mounting plate 140. The front end of the other wind-guiding ring 141 is butted with the upper wind outlet 101a, the rear end of the other wind-guiding ring 141 is inserted into the front end of the wind-guiding ring 110 at the frontmost side, and the inner peripheral wall of the other wind-guiding ring 141 can be extended gradually from the rear to the front, so that the wind-outlet area of the upper wind-guiding member 10 can be enlarged, and the wind-supplying range can be increased.

In some embodiments, the number of the wind-guiding rings 110 is at least four, wherein the two wind-guiding rings 110 located in the middle are denoted as two middle wind-guiding rings 110, that is, if the number of the wind-guiding rings 110 is even, the two middle wind-guiding rings are two wind-guiding rings located in the middle; if the number of the wind-guiding rings 110 is at least four and is odd, the wind-guiding ring 110 located in the middle is one of the middle wind-guiding rings 110, and the wind-guiding ring 110 located adjacent to the front side or the wind-guiding ring 110 located adjacent to the rear side of the wind-guiding ring 110 located in the middle can be used as the other middle wind-guiding ring 110.

The indoor unit 100 may further include a second driving mechanism connected to the two middle wind-guiding rings 110 and configured to move the two middle wind-guiding rings 110 to change the blowing direction thereof. That is, the two intermediate air guiding rings 110 can move, swing or rotate under the driving of the second driving mechanism, or perform a compound motion combining at least two of the movement, the swing and the rotation. Therefore, the direction of the front opening of the corresponding air guide ring 110 can be directly changed through the rotation or swing of the two air guide rings 110, namely, the air supply direction of a partial section of the through air duct 1101 is changed, so that the air supply direction of the upper air outlet 101a is directly adjusted, the air supply coverage is enlarged, and the refrigerating and heating effects are all achieved in the whole indoor area rapidly. Moreover, the air supply direction can be adjusted conveniently by a user according to the requirement of the user, and the use experience of the user is improved.

Referring to fig. 11, 13, the second driving mechanism may include a second motor 150, a driving cartridge 130, a first crank 133, a second crank 151, a driving link 160, and at least one horizontally extending balancing link 105.

The second motor 150 may be a stepping motor, and is disposed below the front side of the mounting plate 140, and specifically, the second motor 150 is fixed below the front side of the mounting plate 140 by a fixing member 152. The second motor 150 has an output shaft parallel to the height direction of the housing, and the output shaft may extend upward.

The driving case 130 may be located below the wind-guiding ring 110, and the front end thereof is disposed on the mounting plate 140, and the rear end thereof is disposed on one wind-guiding ring 110 behind the middle wind-guiding ring 110 located behind. Referring to fig. 9 and 10, four wind-guiding rings 110 are provided, the front end of the driving box 130 is disposed on the mounting plate 140, and the rear end is disposed on the middle wind-guiding ring 110 located at the rearmost side. A first fixing shaft 1311 is formed in the drive case 130 to extend upward in parallel with the output shaft, the first crank 133 is disposed in the drive case 130, is rotatably coupled to the first fixing shaft 1311, and has a first coupling shaft 1333 extending upward in parallel with the output shaft and a second coupling shaft 1332 extending downward, and the first coupling shaft 1333 penetrates through the drive case 130 and is fixedly coupled to a lower end of the front middle air guide ring 110. One end of the second crank 151 is fixedly connected to the output shaft, and the other end thereof is formed with a rotating shaft extending upward in parallel to the output shaft, and one end of the driving link 160 is connected to the rotating shaft of the second crank 151, and the other end thereof passes through the driving case 130 to be connected to the second connecting shaft 1332. Thus, the driving link 160 and the first crank 133 drive the middle wind-guiding ring 110 located at the front to rotate left or right.

The balance connecting rods 105 are located above the two middle wind-guiding rings 110, and two ends of each balance connecting rod 105 are respectively connected with the upper ends of the two middle wind-guiding rings 110 in a rotating manner, so that when the middle wind-guiding ring 110 located in front rotates under the driving of the second motor 150 and the driving connecting rod 160, the middle wind-guiding ring 110 located in rear is driven to rotate synchronously. Thereby realizing synchronous leftward or rightward rotation of the two middle wind-guiding rings 110.

In some embodiments, as shown in fig. 13, a second fixing shaft 1312 parallel to the first fixing shaft 1311 may be further formed in the drive case 130, and a fourth connecting shaft 134 parallel to the first connecting shaft 1333 is further disposed in the drive case 130, and has a lower end connected to the second fixing shaft 1312 and an upper end passing through the drive case 130 to be rotatably connected to the rear middle wind-guiding ring 110, thereby providing a supporting point for the lower end of the rear middle wind-guiding ring 110 and ensuring stable rotation of the rear middle wind-guiding ring 110.

In some embodiments, referring to fig. 15 in combination with fig. 9 to 12, the driving mechanism may further include a support box 120 and a third crank 123 located in the support box 120, the support box 120 is located above the wind-guiding ring 110, a front end of the support box is disposed on the mounting plate 140, and a rear end of the support box is disposed on one wind-guiding ring located behind the rear middle wind-guiding ring 110. The third crank 123 is located in the support box 120, and has a third connecting shaft 1232 parallel to and opposite to the first connecting shaft 1333, the third connecting shaft 1232 passes through the support box 120 and extends downward to be fixedly connected with the upper end of the middle wind-guiding ring 110 located in front, and rotates along with the rotation of the middle wind-guiding ring 110 located in front, so that the upper and lower ends of the middle wind-guiding ring 110 located in front are both supported, and the rotation stability of the middle wind-guiding ring 110 located in front is ensured.

Referring to fig. 15 again, as shown in fig. 13, a fifth connecting shaft 124 may be further disposed in the supporting box 120, and is parallel to and opposite to the fourth connecting shaft 134, and the fifth connecting shaft 124 passes through the supporting box 120 and is rotatably connected to the upper end of the rear middle wind-guiding ring 110, so as to provide a supporting point for the upper end of the rear middle wind-guiding ring 110, and further increase the stability of the rotation of the rear middle wind-guiding ring 110.

In the indoor unit 100 of this embodiment, the two intermediate air guiding rings 110 can synchronously rotate leftwards or rightwards, or periodically swing left and right, so as to provide various air supply modes for users and meet the diversity requirements of users.

Referring to fig. 11 and 12, each of the two middle wind-guiding rings 110 and the wind-guiding ring 110 behind the middle wind-guiding ring 110 includes a wind-guiding ring body 111 and extension plates 112 formed at the upper end and the lower end of the wind-guiding ring body 111, the extension plate 112 at the upper end of the wind-guiding ring body 111 extends upward, and the extension plate 112 at the lower end of the wind-guiding ring body 111 extends downward.

Referring to fig. 10 and 11, four wind-guiding rings 110 are provided, and the rear end of the driving box 130 is disposed on the lower extension plate 112 of the wind-guiding ring 110 at the rearmost side. Accordingly, the rear end of the support box 120 is disposed on the upper extension plate 112 of the rearmost deflector 110.

Two ends of the balance connecting rod 105 are respectively connected with the upper ends of the two middle wind guide rings 110 through two rotating shafts 1051 in a rotating manner. In some embodiments, there are two balancing links 105, and the two balancing links 105 are located at both lateral sides of the support box 120 in the lateral direction. As shown in fig. 9, the two middle air guiding rings 110 have two upper extending plates 112 respectively having two lateral ends formed with shaft holes 112a engaged with the corresponding rotating shafts 1051, the two middle air guiding rings 110 have two other shaft holes 112b formed at substantially middle positions in the lateral direction of the two middle air guiding rings 112, the other shaft hole 112b at the upper position of the middle air guiding ring 110 at the front side is engaged with the third connecting shaft 1232, and the other shaft hole 112b at the upper position of the middle air guiding ring 110 at the rear side is engaged with the fifth connecting shaft 124. Accordingly, the other lower shaft hole 112b of the front middle air-guiding ring 110 is fitted with the first connecting shaft 1333, and the other lower shaft hole 112b of the rear middle air-guiding ring 110 is fitted with the fourth connecting shaft 134.

In the indoor unit 100 of the present embodiment, the two balance connecting rods 105, the driving box 130, the supporting box 120, the connecting shafts, and other components are designed to be at the above special positions, so that the middle positions and the two end positions of the two middle air guiding rings 110 in the transverse direction have supporting points, and the stability of the left and right rotation of the two middle air guiding rings 110 is greatly improved.

The driving box 130 further has a first position-limiting portion 1322 formed therein, which includes a first slide rail 13222 corresponding to the rotation path of the first crank 133 and two first position-limiting columns 13221 located at two ends of the first slide rail 13222. As shown in fig. 13 and 14, the first crank 133 may include a handle portion 1331, the first connecting shaft 1333 is formed at one end of the handle portion 1331 and extends upward, the second connecting shaft 1332 is formed at the other end of the handle portion 1331 and extends downward, and the first crank 133 is driven by the driving link 160 to rotate, so that the handle portion 1331 slides along the first slide rail 13222.

The support case 120 has a second stopper 1211 formed therein, which includes a second slide rail 12112 corresponding to the rotation path of the third crank 123 and two second stopper posts 12111 provided at both ends of the second slide rail 12112. Referring to fig. 15, the third crank 123 may include another handle 1231, the aforementioned third connecting shaft 1232 is formed at one end of the another handle 1231 and extends downward, and the third crank 123 rotates with the intermediate wind-guiding ring 110, so that the another handle 1231 slides along the second sliding rail 12112. In this way, the left and right rotation ranges of the two intermediate air guiding rings 110 are adjusted by the two first limiting columns 13221 and the two second limiting columns 12111 under the control of the second motor 150. The left rotation amplitude and the right rotation amplitude of the two middle wind-guiding rings 110 may be the same or different, and the left rotation or the right rotation angle of the two middle wind-guiding rings 110 may be 10 ° to 15 °.

The driving cartridge 130 includes a first cartridge body 131 having an open upper end and a first cover 132 covering the open upper end of the first cartridge body 131. The first fixing shaft 1311 and the second fixing shaft 1312 are formed at the inner side of the bottom wall of the first case 131, extend upward from the bottom wall of the first case 131, and the first limiting portion 1322 is formed at the inner side of the upper wall of the first cover 132. Therefore, the components in the drive box 130 are arranged more compactly and do not interfere with each other, so that the first position-limiting portion 1322 can be better matched with the first crank 133 for position limitation.

Referring to fig. 11, 13 and 14, the bottom wall of the first case 131 is formed with two screw columns, a screw column 1313 and a screw column 1314, respectively, the screw column 1313 may be positioned at the front side of the first fixing shaft 1311, and extends upward, the screw column 1313 may have two screw holes (see fig. 13), and accordingly, the upper wall of the first cover plate 132 is formed with another three screw columns, respectively, a screw column 1321, a screw column 1323, and a screw column 1324, one screw hole of the screw column 1321 and one screw hole of the screw column 1323 are respectively in one-to-one correspondence with and opposed to the two screw holes of the screw column 1313, the front region of the first case 131 is fixed to the front region of the first cover 132 by means of the screws 135 sequentially passing through the screw posts 1313 and the screw posts 1323, the rear sub-region of the first case 131 and the rear region of the first cover 132 are fixed by screws sequentially passing through the screw posts 1314 and 1324.

The screw column 1321 may penetrate through the upper wall of the first cover plate 132, another screw column 113 (see fig. 11) extending downward is formed at the lower end of the foremost air guide ring 110, and the drive case 130 is fixed to the lower end of the foremost air guide ring 110 by a screw 135 penetrating through the screw column 1313, the screw column 1321 and the screw column 113 in sequence. And the wind-guiding ring 110 at the rearmost side can be fixed to the inner side of the rear wall of the cover 102 of the cabinet by the screw column 106.

Referring to fig. 13 again, the driving link 160 is formed with an avoiding hole 160a for the screw column 1313 to pass through, so that the space occupied by the driving link 160 and the screw column 1313 in the driving box 130 can be reduced, the area of the driving box 130 is reduced, the influence of the driving box 130 on the air volume is further reduced, the wind resistance is reduced, the air volume is increased (see fig. 9, the straight arrow in fig. 9 indicates the direction of the heat exchange airflow flowing to the upper wind guide member 10), and meanwhile, the problem of condensation caused by the fact that a local area of each wind guide ring 110 is shielded by the driving box 130 in the cooling mode can also be avoided. And the screw column 1313 can limit the movement of the driving link 160, so as to ensure the movement stability of the driving link 160, thereby increasing the movement stability of the two intermediate wind-guiding rings 110.

In order to further reduce the wind resistance caused by the driving box 130, as shown in fig. 13 and 14, the lateral side edges of the driving box 130 are streamline-shaped with the middle being recessed inwards, specifically, the lateral side edges 131a of the first box body 131 are designed to be streamline-shaped with the middle being recessed inwards, so that the area of the first box body 131 is reduced, the influence of the driving box 130 on the wind volume is reduced, the condensation problem at the bottom end of the wind guide ring 110 in the cooling mode is further reduced, and the airflow flows more smoothly. Here, it can be understood that a direction close to a center line extending forward and backward of the first case 131 is an inner side. The lateral side edges 131a of the first case 131 may be symmetrically arranged with respect to the center line.

The bottom wall of the first box 131 includes a first section 131b located at the middle of the transverse direction and two second sections 131c smoothly transitioning from the first section 131b to the two lateral edges 131a, wherein the first section 131b is located at a position lower than the second section 131 c. This increases the volume of the space between the first section 131b and the first cover 132, provides a space for accommodating the position of the driving link 160, and allows the airflow to flow upward more smoothly through the smooth upward extending second section 131 c.

Accordingly, the first cover 132 has a shape matching the shape of the first case 131, and specifically, the lateral edges of the first cover 132 have a streamline structure with a concave middle toward the inner side, so as to reduce the overall area of the driving case 130 and increase the smoothness of the airflow.

Referring to fig. 15, the supporting box 120 includes a second box 121 with an open upper end and a second cover 122 covering the open upper end of the second box 121, the second limiting portion 1211 is formed on the inner side of the bottom wall of the second box 121, and the second box 121 located below is used to support the third crank 123 and the fifth connecting shaft 124. The bottom wall of the second container 121 may further be formed with three screw posts extending upward, two screw posts 1214 located at the front and rear sides of the second limiting portion 1211, and two screw posts 1213 located at the rear of the screw post 1214 located at the frontmost side, respectively, and correspondingly, the second cover 122 is formed with two screw posts (not shown) corresponding to and opposite to the two screw posts 1214, respectively, and the second container 121 and the second cover 122 are fixed by two screws passing through the two screw posts 1314 and the two screw posts on the second cover 122, respectively.

And the screw column 1213 may penetrate the bottom wall of the second casing 121, and another screw column 113 (see fig. 11) extending upward is formed at the upper end of the foremost air-guiding ring 110, and the support case 120 and the upper end of the foremost air-guiding ring 110 are fixed by screws sequentially penetrating the screw column 1213 and the screw column 113.

As shown in fig. 15, the lateral side edges of the supporting box 120 are in a streamline shape with the middle recessed inwards, specifically, the lateral side edges of the second box 121 of the supporting box 120 and the lateral side edges of the second cover plate 122 are in a streamline structure with the middle recessed inwards, so as to reduce the area of the supporting box 120, thereby reducing the influence of the supporting box 120 on the air volume, further reducing the problem of condensation at the top end of the air guide ring 110 in the cooling mode, and enabling the air flow to flow more smoothly. It is understood that the direction close to the center line of the support box 120 extending forward and backward is the inner side, and both lateral side edges of the support box 120 may be symmetrically distributed with respect to the center line.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A cabinet air conditioner indoor unit, comprising:

the air conditioner comprises a shell, a fan and a fan, wherein an air inlet is formed in the shell, and a lower air outlet is formed in the front wall of the shell;

a lower air supply member including a lower air supply fan configured to draw in ambient air from an environment surrounding the air inlet and cause it to flow toward the lower air outlet;

the heat exchanger is arranged on an air inlet flow path between the air inlet and the lower air supply fan and exchanges heat with ambient air entering from the air inlet so as to form heat exchange airflow;

a lower air guide member configured to guide an air flow blown out by the lower air supply fan to the lower air outlet;

wherein the lower wind guide member includes:

the front wall of the air guide frame is provided with an airflow outlet butted with the lower air outlet;

the air baffle is positioned at the air flow outlet and is driven by the first driving mechanism to lift so as to adjust the size of the lower air outlet.

2. The indoor unit according to claim 1, wherein the indoor unit further comprises a cover for covering the indoor unit

The wind deflector is positioned on the front side of the airflow outlet;

the air guide frame is positioned above the airflow outlet to form an installation part;

the first drive mechanism includes:

the first motor is arranged on the mounting part;

the gear is in transmission connection with the first motor, and the rack is arranged on the rear wall of the wind shield and meshed with the gear to drive the wind shield to move up and down.

3. The indoor unit according to claim 2, wherein the indoor unit further comprises a guide member for guiding the air flow in the air flow direction

The first drive mechanism further includes:

the two vertically extending guide rails are arranged on the two transverse sides of the front wall of the air guide frame and are positioned on the two transverse sides of the wind shield;

at least one positioning column extending transversely is formed on each of the two transverse sides of the wind shield, extends to the corresponding guide rail and is arranged to slide up and down along the corresponding guide rail along with the lifting of the wind shield.

4. The indoor unit according to claim 1, wherein the indoor unit further comprises a cover for covering the indoor unit

The lower air outlet is formed in the area, close to the bottom end, of the front wall of the machine shell;

an airflow inlet is formed at the upper end of the air guide frame, an air supply duct which is used for communicating the airflow inlet with the airflow outlet is limited in the air guide frame, and airflow blown out by the lower air supply fan enters the air supply duct through the airflow inlet;

the bottom wall of the air supply duct comprises an arc-shaped section, the arc-shaped section is shaped into a groove which is sunken downwards, and the front end of the arc-shaped section has a trend of extending towards the upper part.

5. The indoor unit according to claim 1, wherein the indoor unit further comprises a cover for covering the indoor unit

An upper air outlet is formed in the area, close to the top end, of the front wall of the shell;

the indoor unit further includes:

an upper air supply member including an upper air supply fan configured to draw in ambient air from an environment surrounding the air inlet and cause it to flow through the heat exchanger towards the upper air outlet;

the upper air guide component is positioned behind the upper air outlet and comprises at least two air guide rings which are provided with front and rear openings and are communicated in the middle, the air guide rings are sequentially arranged in the front and rear direction to form a communicated air channel which penetrates through the air guide rings, a jet opening is formed between every two adjacent air guide rings, and the jet opening is configured to guide heat exchange airflow blown out by the upper air supply fan to the communicated air channel and eject the airflow forwards so as to drive the air in the communicated air channel to be sent to the upper air outlet forwards.

6. The indoor unit according to claim 5, wherein the indoor unit further comprises a guide member for guiding the air flow in the air flow direction

And a natural air draught opening is formed in the area, opposite to the through air channel, of the rear wall of the shell, so that when the jet opening sprays the air flow in the through air channel forwards, the ambient air around the natural air draught opening is promoted to flow forwards to enter the through air channel and be mixed with the heat exchange air flow blown out from the jet opening.

7. The indoor unit according to claim 5, wherein the indoor unit further comprises a guide member for guiding the air flow in the air flow direction

The number of the air guide rings is at least four, wherein two air guide rings positioned in the middle are marked as two middle air guide rings;

the indoor unit further comprises a second driving mechanism which is connected with the two middle air guide rings and configured to enable the two middle air guide rings to move so as to adjust the air supply direction of the two middle air guide rings.

8. The indoor unit of claim 7, wherein the upper air guide member further comprises:

the mounting plate is positioned in front of the air guide ring at the foremost side and is provided with an opening communicated with the through air duct;

the second drive mechanism includes:

a second motor disposed below the front side of the mounting plate and having an output shaft parallel to the height direction of the housing;

the driving box is positioned below the air guide ring, the front end of the driving box is arranged on the mounting plate, the rear end of the driving box is arranged on the air guide ring behind the rear middle air guide ring, and a first fixing shaft which is parallel to an output shaft of the second motor and extends upwards is formed in the driving box;

the first crank is positioned in the driving box, is rotatably connected with the first fixed shaft, and is provided with a first connecting shaft which is parallel to the output shaft of the second motor and extends upwards and a second connecting shaft which extends downwards, and the first connecting shaft penetrates through the driving box and is fixedly connected with the lower end of the middle air guide ring positioned in front;

one end of the second crank is fixedly connected with an output shaft of the second motor, and a rotating shaft which is parallel to the output shaft of the second motor and extends upwards is formed at the other end of the second crank; one end of the driving connecting rod is connected with the rotating shaft of the second crank, and the other end of the driving connecting rod penetrates through the driving box to be connected with the second connecting shaft so as to drive the middle air guide ring positioned in front to rotate leftwards or rightwards; and

the balance connecting rods extend horizontally and are positioned above the two middle air guide rings, and two ends of each balance connecting rod are respectively and rotatably connected with the upper ends of the two middle air guide rings so as to drive the middle air guide ring positioned at the rear to rotate synchronously when the middle air guide ring positioned at the front rotates.

9. The indoor unit according to claim 8, wherein the indoor unit further comprises a cover for covering the indoor unit

The second drive mechanism further includes:

the supporting box is positioned above the air guide ring, the front end of the supporting box is arranged on the mounting plate, and the rear end of the supporting box is arranged on the air guide ring behind the rear middle air guide ring;

the third crank is positioned in the supporting box and is provided with a third connecting shaft which is parallel to and opposite to the first connecting shaft, and the third connecting shaft penetrates through the supporting box and extends downwards to be fixedly connected with the upper end of the middle air guide ring positioned in front;

the number of the balance connecting rods is two, and the two balance connecting rods are located on the two transverse sides of the support box in the transverse direction.

10. The indoor unit according to claim 9, wherein the indoor unit further comprises a cover for covering the indoor unit

The transverse two side edges of the driving box and the transverse two side edges of the supporting box are in streamline shapes with the middle concaved inwards.

Images