CN115681182A - Vertical air conditioner indoor unit and air conditioner - Google Patents

Abstract

The invention provides a floor air conditioner indoor unit and an air conditioner. The power assembly comprises a first axial flow fan, a second axial flow fan and an axial flow fan rotating shaft. The axial flow fan rotating shaft is rotatably arranged in the vertical air conditioner indoor unit and penetrates through the first axial flow fan and the second axial flow fan to drive the first axial flow fan and the second axial flow fan to rotate. The air duct assembly is formed with a first air duct, a second air duct and a third air duct. The first air duct is used for enabling the first axial fan to promote airflow to flow along the first air duct. The second air duct is used for supplying the second axial flow fan to promote indoor air to flow to the outdoor along the second air duct. The third air duct and the first air duct are configured to enable the floor air conditioner indoor unit to respectively introduce indoor air and outdoor air into the floor air conditioner indoor unit through the first air duct and the third air duct to be mixed and then to be discharged. The first axial flow fan and the second axial flow fan share one axial flow fan rotating shaft, and a motor is saved.

Description

Vertical air conditioner indoor unit and air conditioner

technical field

The invention relates to the field of air conditioning, in particular to an indoor unit of a vertical air conditioner and an air conditioner.

Background technique

In order to improve the user experience, conventional air conditioners are equipped with a fresh air replacement function. The air conditioner with the function of entering fresh air has three pipes, one pipe is used to discharge the indoor dirty air to the outside, one pipe is used to introduce outdoor fresh air, and the other pipe is used to introduce indoor air and outdoor air to pre-mix to avoid the air conditioner from summer. The fresh air is hotter, and the fresh air introduced in winter is cooler. This makes the indoor unit of the air conditioner require multiple motors to drive the airflow to flow in different ducts. This air conditioner has a higher cost and a more complicated structure.

Contents of the invention

An object of the present invention is to provide a vertical air conditioner indoor unit and an air conditioner for solving the above technical problems.

In particular, the present invention provides a vertical air conditioner indoor unit, which includes:

A power assembly comprising a first axial flow fan, a second axial flow fan and

The rotating shaft of the axial flow fan is rotatably arranged in the indoor unit of the vertical air conditioner, and is installed on the first axial flow fan and the second axial flow fan to drive the first axial flow fan and the second axial flow fan to rotate;

An air duct assembly formed with:

The first air channel is used for the first axial flow fan to promote the flow of air along the first air channel;

The second air duct is used for the second axial flow fan to urge the indoor air to flow outdoors along the second air duct;

The third air duct is configured with the first air duct so that the vertical air conditioner indoor unit respectively introduces indoor wind and outdoor wind into the interior of the vertical air conditioner indoor unit through the first air duct and the third air duct, and then discharges them.

Optionally, the first air passage and the second air passage are sequentially arranged along the axial direction of the axis of rotation of the axial flow fan;

The end of the first air channel facing away from the second air channel has a first air opening, and the side has a second air opening;

The end of the second air channel facing away from the first air channel has a third air opening, and the side has a fourth air opening.

Optionally, the rotation shaft of the axial flow fan extends longitudinally or laterally along the indoor unit of the vertical air conditioner so that the power assembly configures the first air duct to supply air to the front side of the indoor unit of the vertical air conditioner, and configures the second air duct to It is configured to supply air to the outside from the rear side of the indoor unit of the vertical air conditioner.

Optionally, in the case where the axis of rotation of the axial flow fan extends longitudinally along the indoor unit of the vertical air conditioner, the first air duct is located at the front end of the second air duct; The part flows into the first air channel, and flows out of the first air channel from the first air port;

The second axial flow fan is used to urge the indoor air to flow into the second air channel from the fourth air port and flow out of the second air channel from the third air port;

Wherein, the direction of the second tuyere part is opposite to the direction of the fourth tuyere part, and the third air duct extends along the longitudinal direction of the vertical air conditioner indoor unit for allowing outdoor air to flow into the room.

Optionally, the air duct assembly also includes:

The first end of the mixing air duct communicates with the first air duct and the third air duct respectively, and the second end communicates with the indoor unit of the vertical air conditioner to discharge the mixed outdoor air and indoor air out of the room.

Optionally, the air duct assembly also includes:

The main body of the air duct is arranged in the indoor unit of the vertical air conditioner, and is used to rotatably arrange the rotating shaft of the axial flow fan in it;

The partition plate is arranged in the main body of the air duct to divide the main body of the air duct into a first air duct and a second air duct arranged in sequence along the axial direction of the rotation axis of the axial flow fan.

Optionally, the power pack also includes:

The cross-flow fan is installed in the indoor unit of the vertical air conditioner. It is used to make the indoor air flow out of the indoor unit of the vertical air conditioner after passing through the heat exchanger of the indoor unit of the vertical air conditioner. The extension line of the rotating shaft and the axial flow The intersection of the fan shafts;

The gear transmission assembly is fixedly connected with the rotating shaft of the axial flow fan and the rotating shaft of the cross-flow fan respectively, and is used to make the rotating shaft of the cross-flow fan drive the rotating shaft of the axial flow fan to rotate.

Optionally, the cross-flow fan is arranged vertically, and the extension line of the rotation axis of the cross-flow axial flow fan is perpendicular to the extension line of the rotation axis of the axial flow fan.

Optionally, the gear drive assembly includes:

The first bevel gear is coaxially connected with the rotating shaft of the cross-flow fan;

The second bevel gear is coaxially connected with the rotating shaft of the axial flow fan, and is used for meshing and driving with the first bevel gear to drive the rotating shaft of the axial flow fan to rotate.

According to the second aspect of the present invention, the present invention also provides an air conditioner, which includes the vertical air conditioner indoor unit according to any one of the above items.

The invention provides an indoor unit of a vertical air conditioner and the air conditioner. The indoor unit of the vertical air conditioner includes a power assembly and an air duct assembly. The power assembly includes a first axial flow fan, a second axial flow fan and a rotating shaft of the axial flow fan. The rotating shaft of the axial flow fan is rotatably arranged in the indoor unit of the vertical air conditioner, and is installed on the first axial flow fan and the second axial flow fan to drive the first axial flow fan and the second axial flow fan to rotate. The air duct assembly is formed with a first air duct, a second air duct and a third air duct. The first air passage is used for the first axial flow fan to promote air flow along the first air passage. The second air passage is used for the second axial flow fan to promote the indoor air to flow outdoors along the second air passage. The third air duct and the first air duct are configured so that the vertical air conditioner indoor unit respectively introduces indoor wind and outdoor wind into the interior of the vertical air conditioner indoor unit through the first air duct and the third air duct, and then discharges them. The first axial flow fan and the second axial flow fan share a rotating shaft of the axial flow fan, which enables the first axial flow fan and the second axial flow fan to share one motor, saving the motor.

Those skilled in the art will be more aware of the above and other objects, advantages and features of the present invention according to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of illustration and not limitation with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

1 is a sectional view of some components of an indoor unit of a vertical air conditioner according to an embodiment of the present invention;

Fig. 2 is a sectional view of some components of the vertical air conditioner indoor unit according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a power assembly in an indoor unit of a vertical air conditioner according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of a power assembly in an indoor unit of a vertical air conditioner according to an embodiment of the present invention;

Fig. 5 is a schematic diagram of an air duct assembly in an indoor unit of a vertical air conditioner according to an embodiment of the present invention;

Fig. 6 is a front view of some components in the vertical air conditioner indoor unit according to an embodiment of the present invention;

Fig. 7 is a side view of some components in the vertical air conditioner indoor unit according to an embodiment of the present invention;

Fig. 8 is a schematic diagram of the support in the indoor unit of the vertical air conditioner according to an embodiment of the present invention.

Detailed ways

Fig. 1 is a sectional view of some components of a vertical air conditioner indoor unit according to an embodiment of the present invention; Fig. 2 is a sectional view of some components of a vertical air conditioner indoor unit according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a power assembly in a vertical air conditioner indoor unit according to an embodiment of the present invention; Fig. 4 is a schematic diagram of a power assembly in a vertical air conditioner indoor unit according to an embodiment of the present invention; Fig. 5 is a schematic diagram according to A schematic diagram of the air duct assembly in the indoor unit of the vertical air conditioner according to an embodiment of the present invention; Fig. 6 is a front view of some components in the indoor unit of the vertical air conditioner according to an embodiment of the present invention; Fig. 7 is a schematic diagram according to the present invention A side view of some components in the indoor unit of a vertical air conditioner according to an embodiment; FIG. 8 is a schematic diagram of the brackets in the indoor unit of a vertical air conditioner according to an embodiment of the present invention.

As shown in FIGS. 1 to 8 , this embodiment provides an indoor unit of a vertical air conditioner, and the indoor unit of the vertical air conditioner includes a power assembly 100 and an air duct assembly 200 . The power assembly 100 includes a first axial fan 110 , a second axial fan 120 and an axial fan shaft 130 . The axial flow fan rotating shaft 130 is rotatably arranged in the indoor unit of the vertical air conditioner, and is installed on the first axial flow fan 110 and the second axial flow fan 120 to drive the first axial flow fan 110 and the second axial flow fan 120 turns.

The air duct assembly 200 is formed with a first air duct 221 , a second air duct 222 and a third air duct 240 . The first air passage 221 is used for the first axial flow fan 110 to promote air flow along the first air passage 221 . The second air duct 222 is used for the second axial flow fan 120 to force the indoor air to flow outdoors along the second air duct 222 . The third air duct 240 and the first air duct 221 are configured so that the vertical air conditioner indoor unit introduces the indoor wind and the outdoor wind into the interior of the vertical air conditioner indoor unit through the first air duct 221 and the third air duct 240 respectively. discharge.

In this embodiment, the installation position of the rotating shaft 130 of the axial flow fan in the indoor unit of the vertical air conditioner is not specifically limited. For example, the rotating shaft 130 of the axial flow fan is rotatably disposed on the casing of the indoor unit of the vertical air conditioner, passing through the first air duct 221 and the second air duct 222 . For example, both ends of the rotating shaft 130 of the axial flow fan extend to the first air channel 221 and the second air channel 222 . As a specific embodiment, as shown in FIGS. 1 to 2 , the rotating shaft 130 of the axial flow fan is located in the first air passage 221 and the second air passage 222 , and is rotatably arranged in the first air passage 221 and the second air passage. On Road 222.

In this embodiment, the extension direction of the rotating shaft 130 of the axial flow fan is not specifically limited, and can be selected according to needs. For example, the axial fan rotation shaft 130 extends along the front-rear direction of the indoor unit of the vertical air conditioner, extends obliquely to the left, extends obliquely to the right, extends left-right, extends obliquely downward, or extends obliquely upward. As a specific embodiment, as shown in FIG. 1 and FIG. 2 , the rotating shaft 130 of the axial flow fan extends along the front and rear directions of the indoor unit of the vertical air conditioner. Obviously, this is only exemplary, not exclusive.

In this embodiment, the relative positions of the first air duct 221 and the second air duct 222 are not specifically limited, as long as the first axial flow fan 110 and the second axial flow fan 120 respectively promote fluid flow therein. . As a specific embodiment, the first air duct 221 and the second air duct 222 are sequentially arranged along the axial direction of the axial fan rotation shaft 130, which makes the structure of the vertical air conditioner indoor unit compact. This makes the air supply volume of the power assembly 100 in the first air passage 221 and the second air passage 222 relatively large. Obviously, this is only exemplary, not exclusive.

In this embodiment, the extension directions of the first air duct 221 and the second air duct 222 are not specifically limited, and can be selected according to needs. As a specific embodiment, as shown in Figure 1 and Figure 2, the extension direction of the first air duct 221 and the second air duct 222 is consistent with the extension direction of the axial flow fan shaft 130, which makes the power assembly 100 in the first The air supply volume in the air duct 221 and in the second air duct 222 is relatively large. Obviously, this is only exemplary, not exclusive. For example, there is a certain angle between the extension direction of the first air duct 221 and the second air duct 222 and the rotation axis 130 of the axial flow fan.

In this embodiment, the second air duct 222 is used to allow the indoor air to flow to the outside to discharge the indoor air, that is, the second air duct 222 is used to discharge the stale air in the room.

In this embodiment, the specific uses of the first air duct 221 and the third air duct 240 are not limited, and can be selected according to needs. For example, the first air duct 221 may communicate with the indoor and the outdoor respectively, for allowing outdoor fresh air to flow therein. Both ends of the third air duct 240 communicate with the room respectively for allowing indoor wind to flow therein. As a specific embodiment, as shown in FIG. 1 , both ends of the first air duct 221 communicate with the room respectively, and the first air duct 221 is used for allowing indoor air to flow therein. Both ends of the third air duct 240 communicate with the indoor and outdoor respectively, and are used for allowing outdoor fresh air to flow therein. In this embodiment, a centrifugal fan is used to promote air flow in the third air channel 240 .

In this embodiment, the indoor unit of the upright air conditioner introduces the indoor air and the outdoor air into the indoor unit of the upright air conditioner through the first air duct 221 and the third air duct 240 respectively, and then discharges it after mixing. When introducing outdoor air into the room to improve the indoor oxygen content, the indoor air and outdoor air are mixed in the indoor unit of the air conditioner and then discharged, which prevents the outdoor air blown from the indoor unit of the vertical air conditioner from being overcooled or overheated.

As a specific embodiment, as shown in FIG. 1 , the first air duct 221 communicates with the front side and the left side of the vertical air conditioner indoor unit respectively. The second air duct 222 communicates with the rear side and the right side of the vertical air conditioner indoor unit respectively. The third air duct 240 communicates with the rear side and the front side of the vertical air conditioner indoor unit respectively. Obviously, this is only exemplary, not exclusive. In this embodiment, which side wall of the vertical air conditioner indoor unit the first air duct 221 , the second air duct 222 and the third air duct 240 communicate with can be selected according to needs. This is related to the extension direction of the axial fan rotation shaft 130 and the extension direction of the second air channel 222 .

It can be seen that the first axial fan 110 and the second axial fan 120 share one axial fan rotating shaft 130, which allows the first axial fan 110 and the second axial fan 120 to share one motor, saving motors. The indoor unit of the vertical air conditioner introduces the indoor wind and the outdoor wind into the indoor unit of the vertical air conditioner through the first air duct 221 and the third air duct 240 respectively, and then discharges it after mixing, which avoids air blown out from the indoor unit of the vertical air conditioner. The outdoor air is too cold or too hot. The second air duct 222 is used for allowing indoor air to flow outdoors along the second air duct 222 to discharge indoor stale air.

In some other embodiments, the first air duct 221 and the second air duct 222 are sequentially arranged along the axial direction of the axial fan rotation shaft 130 . The end of the first air channel 221 facing away from the second air channel 222 has a first air opening 2211 , and a side thereof has a second air opening 2212 . The end of the second air duct 222 facing away from the first air duct 221 has a third air opening 2221 , and a side thereof has a fourth air opening 2222 .

The first air duct 221 and the second air duct 222 are sequentially arranged along the axial direction of the axial flow fan rotating shaft 130, which makes the structure of the vertical air conditioner indoor unit compact. This makes the air supply volume of the power assembly 100 in the first air passage 221 and the second air passage 222 relatively large.

The end of the first air channel 221 facing away from the second air channel 222 has a first air opening 2211 , and the end of the second air channel 222 facing away from the first air channel 221 has a third air opening 2221 . That is, the first tuyere portion 2211 and the third tuyere portion 2221 are located at two ends of the rotating shaft 130 of the axial flow fan. As a specific embodiment, as shown in FIG. 1 , the first air outlet portion 2211 is located at the front end of the first air channel 221 , and the third air port portion 2221 is located at the rear end of the second air channel 222 . This makes the air supply volume of the power assembly 100 in the first air passage 221 and the second air passage 222 relatively large.

In some other embodiments, the axial flow fan rotation shaft 130 extends longitudinally or laterally along the indoor unit of the vertical air conditioner so that the power assembly 100 configures the first air duct 221 to send air to the front side of the indoor unit of the vertical air conditioner , the second air duct 222 is configured to blow air from the rear side of the indoor unit of the upright air conditioner to the outside.

The axial flow fan rotating shaft 130 extends longitudinally along the vertical air conditioner indoor unit, that is, the axial flow fan rotating shaft 130 extends along the front and back of the vertical air conditioner indoor unit. The axial fan rotating shaft 130 extends laterally along the vertical air conditioner indoor unit, that is, the axial fan rotating shaft 130 extends left and right along the vertical air conditioner indoor unit. This makes the power assembly 100 configure the first air duct 221 to send air to the front side of the indoor unit of the vertical air conditioner, and one side of the lateral sides to enter the air; The rear side of the machine sends air to the outside, and one of the lateral sides takes in air.

The front side of the vertical air conditioner indoor unit has a relatively large radiation area, and the front side of the vertical air conditioner indoor unit supplies air, which is conducive to quickly integrating the sent wind into the room. The air intake from one of the lateral two sides is also conducive to the large amount of air intake in the first air channel 221 . The rear side of the indoor unit of the vertical air conditioner supplies air to the outside, and one of the lateral sides enters the air, which makes the indoor unit of the vertical air conditioner more beautiful and elegant, and can also quickly discharge indoor stale air to the outside.

In some other embodiments, when the rotating shaft 130 of the axial flow fan is along the longitudinal direction of the indoor unit of the air conditioner, the first air duct 221 is located at the front end of the second air duct 222, and the front end of the first air duct 221 forms the first air port. part 2211 ; the first axial fan 110 is used to make indoor air flow into the first air passage 221 from the second tuyere part 2212 , and flow out of the first air passage 221 from the first tuyere part 2211 .

The rear end of the second air passage 222 forms a third air outlet 2221 , and the second axial flow fan 120 is used to encourage indoor air to flow into the second air passage 222 from the fourth air outlet 2222 and flow out of the second air passage from the third air outlet 2221 222.

Wherein, the direction of the second air port 2212 is opposite to the direction of the fourth air port 2222, and the third air channel 240 extends along the longitudinal direction of the indoor unit of the air conditioner for allowing outdoor air to flow indoors.

The axial flow fan rotating shaft 130 and the third air duct 240 both extend longitudinally of the vertical air conditioner indoor unit, and the first air duct 221 and the second air duct 222 also extend longitudinally of the vertical air conditioner indoor unit. That is, as shown in FIG. 1 , the rotating shaft 130 of the axial flow fan, the first air duct 221 , the second air duct 222 and the third air duct 240 all extend along the front and back of the vertical air conditioner indoor unit. This makes the structure of the vertical air conditioner indoor unit compact.

The direction of the second tuyere portion 2212 is opposite to the direction of the fourth tuyere portion 2222 , that is, the second tuyere portion 2212 and the fourth tuyere portion 2222 face to the left and right sides respectively. As a specific embodiment, the second tuyere part 2212 faces to the left, and the fourth tuyere part 2222 faces to the right. This makes the indoor unit of the vertical air conditioner more beautiful, and can quickly discharge indoor stale air to the outside.

The first axial flow fan 110 is used to make indoor air flow into the first air channel 221 from the second tuyere portion 2212 and flow out of the first air channel 221 from the first tuyere portion 2211 . That is, the first axial fan 110 causes indoor air to enter the indoor unit of the air conditioner from the left side of the indoor unit of the air conditioner, and to be discharged from the front side. As shown in FIG. 1 , the arrow a1 and the arrow b1 indicate the flow direction of the fluid in the first air channel 221 . This makes the indoor unit of the vertical air conditioner more elegant, and there is enough indoor wind to mix with the outdoor wind.

The second axial flow fan 120 is used to make the indoor air flow into the second air channel 222 from the fourth air port 2222 and flow out of the second air channel 222 from the third air port 2221 . That is, the second axial fan 120 causes indoor air to enter from the right side of the indoor unit of the air conditioner and to be discharged from the rear side of the indoor unit of the air conditioner. As shown in FIG. 1 , the arrow a2 and the arrow b2 indicate the flow direction of the fluid in the second air channel 222 . This makes the indoor unit of the vertical air conditioner more beautiful, and can quickly discharge indoor stale air to the outside.

In some other implementations, the air duct assembly 200 further includes a mixing air duct 210 . The first end of the mixing air duct 210 communicates with the first air duct 221 and the third air duct 240 respectively, and the second end communicates with the indoor unit of the air conditioner to discharge the mixed outdoor air and indoor air out of the room.

In this embodiment, the setting position of the mixing air channel 210 is not specifically limited. As a specific embodiment, as shown in FIG. 1 , the mixing air duct 210 is arranged at the front ends of the first air duct 221 and the third air duct 240 for supplying air to the front side of the indoor unit of the air conditioner. This makes the flow of the air flow in the mixing duct 210 smoother and reduces resistance.

In other embodiments, the air duct assembly 200 further includes an air duct main body 220 and a partition 230 . The air duct main body 220 is disposed in the indoor unit of the upright air conditioner, and is used to rotatably set the rotating shaft 130 of the axial flow fan therein. The partition plate 230 is disposed in the air channel main body 220 to divide the air channel main body 220 into a first air channel 221 and a second air channel 222 sequentially arranged along the axial direction of the axial fan rotation shaft 130 . The air duct assembly 200 has a simple and compact structure and saves space.

In other embodiments, the power assembly 100 further includes at least one bracket 160 . At least one bracket 160 is disposed in the air channel main body 220 for supporting the rotating shaft 130 of the axial flow fan to rotate. In this embodiment, the shape of the bracket 160 is not specifically limited, and the bracket 160 can be used to support the rotating shaft 130 of the axial flow fan to rotate.

In some other embodiments, each bracket 160 includes an inner ring 161 , an outer ring 162 and a plurality of supporting ribs 163 . The inner ring 161 is used for passing the rotating shaft 130 of the axial flow fan therein. The outer ring 162 is fixed in the main body of the air duct 220 , and coaxially arranged outside the inner ring 161 with the inner ring 161 . Two ends of the plurality of supporting ribs 163 are respectively connected to the inner ring 161 and the outer ring 162 . This bracket 160 makes the rotating shaft 130 of the axial flow fan more stable.

In some other embodiments, a plurality of supporting ribs 163 are uniformly arranged along the circumferential direction of the inner ring 161 . This makes the rotating shaft 130 of the axial flow fan more stable.

In some other embodiments, at least one clipping slot 223 is disposed in the air channel main body 220 , and at least one bracket 160 is snapped into the at least one clipping slot 223 in a one-to-one correspondence with the at least one clipping slot 223 . This makes the installation of the bracket 160 relatively simple and stable.

In other embodiments, the power assembly 100 further includes a cross-flow fan 140 . The cross-flow fan 140 is arranged in the indoor unit of the vertical air conditioner, and is used to make the indoor air flow out from the indoor unit of the vertical air conditioner after passing through the heat exchanger of the indoor unit of the vertical air conditioner. The intersection of the fan rotation shaft 130.

The gear transmission assembly 150 is fixedly connected with the rotating shaft 130 of the axial fan and the rotating shaft of the cross-flow fan 140 respectively, and is used to make the rotating shaft of the cross-flow fan 140 drive the rotating shaft 130 of the axial fan to rotate.

In this embodiment, the cross-flow fan 140 is used to make the indoor airflow flow into the indoor unit of the air conditioner, then make the indoor airflow flow through the heat exchanger, and discharge the indoor airflow passing through the heat exchanger out of the indoor unit of the air conditioner, so as to change room temperature.

In this embodiment, the included angle between the extension line of the rotation axis 130 of the axial flow fan and the extension line of the rotation axis of the cross flow fan 140 is not specifically limited, and can be selected according to needs. As a specific embodiment, as shown in FIG. 1 , the included angle between the extension line of the rotation axis 130 of the axial flow fan and the extension line of the rotation axis of the cross flow fan 140 is 90°.

In this embodiment, the specific components included in the gear transmission assembly 150 are not limited and can be selected according to needs. The gear transmission assembly 150 can make the rotating shaft of the cross-flow fan 140 drive the rotating shaft 130 of the axial-flow fan to rotate. As a specific embodiment, the gear transmission assembly 150 includes a first bevel gear 151 and a second bevel gear 152 . The first bevel gear 151 is disposed in the air channel main body 220 and coaxially connected with the rotation shaft of the cross-flow fan 140 . The second bevel gear 152 is disposed in the main body of the air duct 220 , meshes with the first bevel gear 151 for transmission, and is coaxially connected with the rotating shaft 130 of the axial flow fan. Obviously, this is only exemplary, not exclusive.

It can be seen that the cross-flow fan 140 drives the axial-flow fan rotating shaft 130 to rotate through the gear transmission assembly 150 , and then drives the first axial-flow fan 110 and the second axial-flow fan 120 to rotate. The first axial fan 110 promotes air flow in the first air duct 221 , that is, the indoor air is sucked into the indoor unit of the air conditioner and discharged out of the indoor unit of the air conditioner. The second axial flow fan 120 promotes air flow in the second air duct 222 , that is, the indoor air is sucked into the indoor unit of the air conditioner and discharged outside. This solution does not add additional motors for driving the first axial flow fan 110 and the second axial flow fan 120 , so the structure is simple and the cost is low.

In some other embodiments, the cross-flow fan 140 is arranged vertically, and the extension line of the rotation shaft 130 of the cross-flow axial fan is perpendicular to the extension line of the rotation shaft 130 of the axial fan. This makes the structure of the indoor unit of the air conditioner compact.

In some other embodiments, the gear transmission assembly 150 includes a first bevel gear 151 and a second bevel gear 152 . The first bevel gear 151 is coaxially connected with the rotation shaft of the cross-flow fan 140; the second bevel gear 152 is coaxially connected with the rotation shaft 130 of the axial flow fan, and is used for meshing transmission with the first bevel gear 151 to drive the axial flow The fan rotating shaft 130 rotates.

The first bevel gear 151 is coaxial with the rotation axis of the cross-flow fan 140 , and the second bevel gear 152 is coaxial with the rotation axis 130 of the axial flow fan. Since the extension line of the rotation shaft of the cross-flow fan 140 intersects with the extension line of the rotation shaft 130 of the axial fan, the extension line of the axis of the first bevel gear 151 intersects the extension line of the axis of the second bevel gear 152 . In this embodiment, the included angle between the extension line of the axis of the first bevel gear 151 and the extension line of the axis of the second bevel gear 152 is not specifically limited, for example, it may be 30°, 60° or 90°. This structure of the gear transmission assembly 150 is relatively simple and easy to control.

According to the second aspect of the present invention, the present invention also provides an air conditioner, which includes the vertical air conditioner indoor unit according to any one of the above items. Since the air conditioner includes the indoor unit of any one of the above vertical air conditioners, the air conditioner has the technical effects of any one of the indoor units of the above vertical air conditioner, and will not be repeated here.

In the description of this embodiment, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" ", "clockwise", "counterclockwise" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or elements must have a certain orientation, be constructed and operate in a certain orientation, and thus should not be construed as limiting the invention.

The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. When a feature "comprises or comprises" one or some of the features it encompasses, unless specifically stated otherwise, this indicates that other features are not excluded and that other features may be further included.

Unless otherwise expressly specified and limited, terms such as "mounted", "connected", "connected", "fixed" and "coupled" should be interpreted in a broad sense, for example, it may be a fixed connection or a detachable connection, or Integrate; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined . Those of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, in the description of this embodiment, the first feature being "on" or "under" the second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but is through additional feature contacts between them. That is to say, in the description of this embodiment, the first feature being "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicating the level of the first feature The height is higher than the second feature. "Below", "beneath" or "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

Unless otherwise defined, all terms (including technical terms and scientific terms) used in the description of this embodiment have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

In the description of this embodiment, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "examples," "specific examples," or "some A specific feature, structure, material, or characteristic described in an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

So far, those skilled in the art should appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, without departing from the spirit and scope of the present invention, the disclosed embodiments of the present invention can still be used. Many other variations or modifications consistent with the principles of the invention are directly identified or derived from the content. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A vertical air conditioner indoor unit, comprising: A power assembly comprising a first axial flow fan, a second axial flow fan and The rotating shaft of the axial flow fan is rotatably arranged in the indoor unit of the vertical air conditioner, and is passed through the first axial flow fan and the second axial flow fan to drive the first axial flow fan and the second axial flow fan. The second axial flow fan rotates; An air duct assembly formed with: The first air passage is used for the first axial flow fan to promote air flow along the first air passage; The second air passage is used for the second axial flow fan to promote the indoor air to flow outdoors along the second air passage; The third air duct is configured with the first air duct so that the vertical air conditioner indoor unit introduces indoor air and outdoor air into the vertical air conditioner through the first air duct and the third air duct respectively The inside of the indoor unit is mixed and discharged. 2. The vertical air conditioner indoor unit according to claim 1, wherein, The first air passage and the second air passage are sequentially arranged along the axial direction of the axial fan rotation shaft; The end of the first air channel facing away from the second air channel has a first air opening, and the side has a second air opening; The end of the second air channel facing away from the first air channel has a third air opening, and the side has a fourth air opening. 3. The vertical air conditioner indoor unit according to claim 2, wherein, The rotation shaft of the axial flow fan extends longitudinally or transversely of the indoor unit of the vertical air conditioner so that the power assembly configures the first air duct to send air to the front side of the indoor unit of the vertical air conditioner , the second air duct is configured to blow air from the rear side of the indoor unit of the upright air conditioner to the outside. 4. The vertical air conditioner indoor unit according to claim 3, wherein, In the case where the axis of rotation of the axial flow fan extends longitudinally along the indoor unit of the vertical air conditioner, the first air passage is located at the front end of the second air passage; the first axial flow fan is used to promote Indoor air flows into the first air duct from the second tuyere, and flows out of the first air duct from the first tuyere; The second axial flow fan is used to urge indoor air to flow into the second air channel from the fourth tuyere part, and flow out of the second air channel from the third tuyere part; Wherein, the direction of the second tuyere part is opposite to the direction of the fourth tuyere part, and the third air duct extends along the longitudinal direction of the vertical air conditioner indoor unit for allowing outdoor air to flow into the room. 5. The vertical air conditioner indoor unit according to claim 1, the air duct assembly further comprising: The mixing air duct, its first end communicates with the first air duct and the third air duct respectively, and its second end communicates with the indoor unit of the vertical air conditioner, so as to mix the outdoor air and indoor air Exhaust the room. 6. The vertical air conditioner indoor unit according to claim 1, the air duct assembly further comprising: The main body of the air duct is arranged in the indoor unit of the vertical air conditioner, and is used to rotatably arrange the rotating shaft of the axial flow fan in it; The partition plate is arranged in the main body of the air duct, so as to divide the main body of the air duct into the first air duct and the second air duct arranged in sequence along the axial direction of the rotation axis of the axial flow fan. 7. The vertical air conditioner indoor unit according to claim 1, said power assembly further comprising: The cross-flow fan is arranged in the indoor unit of the vertical air conditioner, and is used to make the indoor air flow out from the indoor unit of the vertical air conditioner after passing through the heat exchanger of the indoor unit of the vertical air conditioner. The extension line intersects with the axis of rotation of the axial flow fan; The gear transmission assembly is fixedly connected with the rotating shaft of the axial flow fan and the rotating shaft of the cross-flow fan respectively, and is used to make the rotating shaft of the cross-flow fan drive the rotating shaft of the axial flow fan to rotate. 8. The vertical air conditioner indoor unit according to claim 7, wherein, The cross-flow fan is arranged vertically, and the extension line of the rotation axis of the cross-flow axial flow fan is perpendicular to the extension line of the rotation axis of the axial flow fan. 9. The vertical air conditioner indoor unit according to claim 7, wherein the gear transmission assembly comprises: The first bevel gear is coaxially connected with the rotating shaft of the cross-flow fan; The second bevel gear is coaxially connected with the rotating shaft of the axial flow fan, and is used for meshing with the first bevel gear to drive the rotating shaft of the axial flow fan to rotate. 10. An air conditioner, comprising the vertical air conditioner indoor unit according to any one of claims 1 to 9.

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