KR102077572B1 - Fan assembly - Google Patents

Abstract

A fan assembly is provided between the four-flow fan and the discharge grill to further discharge the vane for controlling the direction of the air blown by the four-flow fan.
To this end, the fan assembly according to the invention, the air inlet is formed in the rear, the air discharge port is formed in the front fan housing unit, the four-flow fan is rotatably disposed in the fan housing unit, the rotation fan A fan motor to be disposed, a discharge vane disposed in front of the swirl fan to control the direction of air blown from the swirl fan, and a discharge vane disposed in front of the discharge vane to control the direction of air passing through the discharge vane. And a discharge grill, wherein the discharge vane has an annular inner rim to which the fan motor is coupled to the inside, and is disposed behind the inner rim, and the center of the discharge vane is coaxial with the center of the inner rim. An annular outer rim having a larger diameter than an inner rim, and disposed between the inner rim and the outer rim to connect the inner rim and the outer rim, and along the circumferential direction. It may include a plurality of vane ribs radially spaced apart from each other.

Description

Fan assembly {FAN ASSEMBLY}

The present invention relates to a fan assembly, and more particularly to a fan assembly comprising a four-flow fan.

Generally, an air conditioner is composed of a compressor, a condenser, an evaporator, and an expander, and uses an air conditioning cycle to supply cold or warm air to a building or a room.

The air conditioner is provided with an air purifying means or a humidifying means, and is provided with a blower for flowing air to suck and discharge the outside air.

The blower includes a fan motor and a blowing fan coupled to the rotation shaft of the fan motor to suck and discharge air while being rotated by the driving of the fan motor.

The blower fan is classified into an axial fan, a centrifugal fan, and a crossflow fan according to the flow direction.

The axial flow fan is formed in a structure in which air is sucked in the rotational axis direction (hereinafter, axial direction) of the fan motor and discharged in the axial direction.

The centrifugal fan has a structure in which air is sucked in the axial direction and discharged in the circumferential direction.

The vortex fan has a structure in which air is sucked in the axial direction and discharged between the axial direction and the radial direction.

On the other hand, in recent years, the structure of the air conditioner in order to increase the air discharge efficiency of the air conditioner as well as to provide a variety of air to the user has been a trend. For example, the air conditioner independently includes a front fan assembly for discharging air to the front and a side fan assembly for discharging air to the side of the air conditioner, so that the front fan assembly can direct air far to the front. The side fan assembly may provide indirect wind to the user.

The front fan assembly is disposed above the side fan assembly in order to send air as far as possible, and a crossflow fan such as a circulator is used. In addition, the front fan assembly is provided with a discharge grill on the front side of the air discharge port. The discharge grill may be disposed in front of the circulator to control the direction of air blown by the circulator.

On the other hand, when the front fan assembly and the side fan assembly is provided independently, it is preferable to form the front and rear width of the crossflow fan as short as possible to reduce the front and rear width of the air conditioner.

However, when the front and rear widths of the vortex fan are formed to be short, since the air blown by the vortex fan has a strong force to flow in the crossflow direction rather than the front, when the vortex fan is applied to the front fan assembly, the front fan assembly is Installing only the discharge grill in front of the problem that it is difficult to send the air blown from the crossflow fan far forward.

An object of the present invention is to provide a fan assembly capable of discharging air as far as possible by installing a discharge vane for controlling the direction of air blown by the swirl fan between the swirl fan and the discharge grill.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the fan assembly according to the present invention, a fan housing unit having an air inlet is formed on the rear side, the air discharge port is formed on the front side, a vortex fan rotatably disposed in the fan housing unit, and A fan motor for rotating the vortex fan, a discharge vane disposed in front of the vortex fan to control the direction of air blown from the vortex fan, and an air disposed in front of the discharge vane and passed through the discharge vane And a discharge grill for controlling the direction of the discharge vane, wherein the discharge vane has an annular inner rim to which the fan motor is coupled to the inner side, and is disposed behind the inner rim, and its center is coaxial with the center of the inner rim. And an annular outer rim having a larger diameter than the inner rim, and disposed between the inner rim and the outer rim to connect the inner rim and the outer rim. , In the circumferential direction are separated from each other may include a plurality of vanes radially arranged ribs.

The front and rear widths of the inner rims are larger than the front and rear widths of the outer rims, and each of the plurality of vane ribs has a triangle shape in which a bottom side is connected to an outer circumferential surface of the inner rim, and a vertex is connected to an inner circumferential surface of the outer rim. Can be formed.

The discharge grill may include a circular central plate having a center coaxially disposed with the center of the inner rim, the central plate being spaced apart from the central plate to surround the central plate, and spaced apart from each other, and formed in an annular shape. The first grill rib may include a plurality of second grill ribs connected to the center plate and the plurality of first grill ribs and formed to be radially straight and disposed radially.

In the plurality of first grill ribs, the first grill ribs disposed at the outermost side have a larger width in the front-rear direction than the remaining first grill ribs, and the remaining first grill ribs have the same width in the front-rear direction. Can be formed.

The front ends of the plurality of first grill ribs are disposed in front of the first grill rib, and the rear ends of the first grill ribs arranged on the outermost side of the plurality of first grill ribs may be disposed behind the rear ends of the remaining first grill ribs. Can be.

The center plate may have a width in the front-rear direction to be the same as the width in the front-rear direction of the remaining first grill ribs, and may have a front surface concave and a rear surface convex.

The middle plate may be inserted into the inner rim, and the outer rim may be inserted into the outermost first grill rib of the plurality of first grill ribs.

Each of the plurality of second grill ribs may be formed in a triangular shape in which a bottom side is connected to an inner circumferential surface of the first grill rib disposed at the outermost side of the plurality of first grill ribs, and a vertex is connected to an outer circumferential surface of the central plate. Can be.

The fan housing unit includes a fan housing main body having an opening and closing surface and an annular housing rib protruding from the front of the fan housing body, and being disposed on a rear surface of the fan housing main body, and the air intake opening inside. It may include a fan housing base which is formed and protrudes in front of the annular orifice which is inserted into the fan housing body through the open rear surface of the fan housing body.

The housing rib may have a larger inner diameter from the rear end to the front end.

The vortex fan has a shroud having a suction part into which the orifice is inserted, a first inclined part extending inclined in the axial direction and a radial direction from the suction part, and a surface facing the air inlet is convex and opposite to the air intake port. The surface is formed concave, the hub having a central portion disposed in the first inclined portion, a second inclined portion extending inclined in the axial direction and radial direction from the central portion disposed outside the first inclined portion, the shroud And a plurality of blades disposed between the hubs and connected to the shroud and the hub and spaced apart from each other along the circumferential direction.

Each of the plurality of blades may include: a leading edge positioned at a leading edge in a rotational direction and straightly formed; a trailing edge positioned at a rear end in a rotational direction; and a straight edge formed at the rear end of the leading edge, and one end of the leading edge and one trailing edge; A shroud cord extending from an inner circumferential surface of the hub and a hub cord connecting the other end of the leading edge and the other end of the trailing edge and extending from an outer circumferential surface of the hub, wherein the trailing edge has one end inclined thereto; One of the inner circumferential surfaces of the negative portion is connected to the outermost edge end in the radial direction, and the other end thereof is disposed rearward in the rotational direction from one end of the trailing edge to be connected to the outermost edge end in the radial direction of the outer circumferential surface of the second inclined portion. The edge is one end is connected to the innermost edge end in the radial direction of the inner peripheral surface of the first inclined portion, the other end A position disposed in the rotational direction ahead of one end of the leading edge and closer to the center portion of the hub than the other end of the trailing edge, and axially spaced from the innermost edge end in the radial direction of the outer circumferential surface of the second inclined portion. Can be connected to.

The straight length in the axial direction of the second inclined portion may be formed longer than the straight length in the axial direction of the shroud.

The narrow angle between the straight line passing through the first inclined portion and the straight line extending in the axial direction may be larger than the narrow angle between the straight line passing through the second inclined portion and the straight line extending in the axial direction.

The length of the straight line connecting both ends of the shroud cord may be shorter than the length of the straight line connecting both ends of the hub cord.

The shroud cord and the hub cord may each be curved.

The plurality of blades includes a first blade and a second blade positioned immediately behind the first blade in a rotational direction, the straight line passing through the center of the hub and one end of the trailing edge of the first blade; A narrow angle between the center of the hub and a straight line passing through the other end of the leading edge of the second blade comprises a straight line passing through the center of the hub and one end of the trailing edge of the first blade, It may be formed smaller than the narrow angle between the straight line passing through one end of the leading edge of the second blade.

Details of other embodiments are included in the detailed description and drawings.

In the fan assembly according to the present invention, after the air blown from the swirl fan passes through the discharge vane, the direction of the air is first changed, and then the direction of the air is secondarily changed while passing through the discharge grill, so that the discharged air is far forward. There is an effect that can be moved until.

The effects of the invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing an indoor unit of an air conditioner to which a fan assembly is applied according to an embodiment of the present invention;
2 is an exploded perspective view of FIG. 1;
3 is a front view of FIG. 1,
4 is a left side view of FIG. 1;
5 is a right side view of FIG. 1;
6 is a plan view of FIG.
7 is a bottom view of FIG. 1,
8 is a right cross-sectional view of FIG.
FIG. 9 is a front view of the second fan assembly shown in FIG. 2;
10 is a left side view of FIG. 9;
11 is a right side view of FIG. 9;
12 is an enlarged cross-sectional view of the second fan assembly shown in FIG. 8;
13 is a plan sectional view of FIG. 8;
14 is an exploded perspective view of the second fan assembly shown in FIG. 2;
15 is a front view of the guide housing shown in FIG. 14;
16 is a plan view of the guide housing shown in FIG. 14;
17 is a left side view of the guide housing shown in FIG. 14;
18 is a front sectional view of the first fan assembly shown in FIG. 2;
19 is a front view showing the swirling fan shown in FIG. 18;
20 is a front sectional view of FIG. 19;
21 is a plan view of FIG. 19;
FIG. 22 is a view illustrating the shroud of FIG. 21;
FIG. 23 is an exploded perspective view illustrating another embodiment of the second fan assembly shown in FIG. 2;
24 is a cross-sectional view of the coupled state of FIG. 23;
25 is a rear perspective view of the discharge grill shown in FIG. 23;
FIG. 26 is a cross sectional view of FIG. 25;
27 is a view showing another embodiment of the discharge grill shown in FIG. 25.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, a fan assembly according to an embodiment of the present invention will be described with reference to the drawings.

1 is a perspective view showing an indoor unit of an air conditioner to which a fan assembly is applied according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, FIG. 3 is a front view of FIG. 1, and FIG. 4 is a left side view of FIG. 1. 5 is a right side view of FIG. 1, FIG. 6 is a plan view of FIG. 1, FIG. 7 is a bottom view of FIG. 1, and FIG. 8 is a right sectional view of FIG. 3.

The air conditioner according to the present embodiment includes an outdoor unit (not shown) connected to the indoor unit 10 and circulating the refrigerant through the indoor unit 10 and the refrigerant pipe.

The outdoor unit includes a compressor (not shown) for compressing a refrigerant, an outdoor heat exchanger (not shown) for receiving and condensing refrigerant from the compressor, an outdoor fan (not shown) for supplying air to the outdoor heat exchanger, and the indoor unit. And an accumulator (not shown) for providing only the gaseous refrigerant to the compressor after receiving the refrigerant discharged at 10.

The outdoor unit may further include a four-way valve (not shown) to operate the indoor unit in a cooling mode or a heating mode. When operated in the cooling mode, the indoor unit 101 evaporates the refrigerant to cool the indoor air. When operated in a heating mode, the indoor unit 10 condenses refrigerant to heat indoor air.

The indoor unit 10 has a front opening, a cabinet assembly 100 having a suction port 101 formed at a rear surface thereof, a cabinet assembly 100 assembled at a front side of the opened cabinet assembly 100, and an inner space of the cabinet assembly 100. A door assembly 200 for opening and closing S), fan assemblies 300 and 400 disposed inside the cabinet assembly 100 and discharging air in the internal space S to the room, and the fan assembly A heat exchange assembly 500 disposed between the 300 and 400 and the cabinet assembly 100, the heat exchange assembly 500 for heat-exchanging the sucked indoor air and the refrigerant, and the cabinet assembly 100 arranged in the cabinet assembly 100. A humidifying assembly 800 for providing moisture to the internal space S, a filter assembly 600 for filtering air flowing into the internal space S and disposed on the rear surface of the cabinet assembly 100, and the cabinet The filter word is disposed on the rear surface of the assembly 100. It moves up and down along the assembly 600, and includes a moving cleaner 700 to separate and collect the foreign matter of the filter assembly 600.

The indoor unit 10 sucks air through the suction port 101 formed on the rear surface of the cabinet assembly 100.

The fan assemblies 300 and 400 are composed of a first fan assembly 300 and a second fan assembly 400. The heat exchange assembly 500 is disposed behind the first fan assembly 300 and the second fan assembly 400.

Since air is sucked through the rear surface of the cabinet assembly 100, the heat exchange assembly 500 is disposed perpendicular to the ground.

The air sucked through the cabinet assembly 100 flows to the first fan assembly 300 and the second fan assembly 400 after passing through the heat exchange assembly 500 orthogonally in this embodiment.

The heat exchange assembly 500 is manufactured to have a length corresponding to the height of the first fan assembly 300 and the second fan assembly 400.

The first fan assembly 300 discharges air in the lateral direction of the cabinet assembly 100. The first fan assembly 300 provides indirect wind to the user.

The second fan assembly 400 is disposed above the cabinet assembly 100 and discharges air in a forward direction of the cabinet assembly 100. The second fan assembly 400 provides a direct wind to the user. In addition, the second fan assembly 400 improves circulation of indoor air by discharging air to a distant place in the indoor space.

In particular, the second fan assembly 400 may control the discharge direction of air in the up, down, left, right or diagonal directions.

The door assembly 200 may be coupled to the front surface of the cabinet assembly 100 and may slide in the left and right directions.

The door assembly 200 may be moved in one of left and right directions to open the internal space S. FIG. In addition, the door assembly 200 may be moved in one of left or right directions to open only a part of the inner space S. FIG.

In this embodiment, the door assembly 200 is opened and closed in two stages.

The first stage opening and closing of the door assembly 200 is partially opened, and is for supplying water to the humidifying assembly 800, and exposes only an area to which the water tank 810 of the humidifying assembly 800 is exposed.

The second stage opening and closing of the door assembly 200 is opened to the maximum, for installation and repair. To this end, the door assembly 200 includes a door stopper structure for limiting the opening and closing of the two stages.

The filter assembly 600 is disposed at the rear of the cabinet assembly 100. The filter assembly 600 may be rotated to the side of the cabinet assembly 100 in a state in which the filter assembly 600 is disposed on the rear surface of the cabinet assembly 100. The user may separate only the filter from the filter assembly 600 moved to the side of the cabinet assembly 100.

In the present embodiment, the filter assembly 600 is composed of two parts, each of which may be rotated left or right.

The moving cleaner 700 is an apparatus for cleaning the filter assembly 600. The moving cleaner 700 may clean the filter assembly 600 while moving in the vertical direction. The moving cleaner 700 may inhale air while moving to separate the foreign matter attached to the filter assembly 600, and the separated foreign matter is stored therein.

The moving cleaner 700 is installed in a structure that is not indirect during the rotation of the filter assembly 600.

The humidifying assembly 800 may provide moisture to the internal space S of the cabinet assembly 100, and the provided moisture may be discharged into the room through the fan assembly. The humidifying assembly 800 includes a detachable water tank 810.

In this embodiment, the humidifying assembly 800 is disposed inside the cabinet assembly 100. The heat exchange assembly 500 and the fan assembly 300 and 400 are disposed above the humidifying assembly 800.

Hereinafter, each configuration of the indoor unit according to the present embodiment will be described in more detail.

The first fan assembly 300 is configured to discharge air laterally with respect to the cabinet assembly 100. The first fan assembly 300 provides indirect wind to the user. The first fan assembly 300 is disposed in front of the heat exchange assembly 500.

The first fan assembly 300 is provided with a plurality of blowers 310 are stacked in the vertical direction. In the present embodiment, three blowers 310 are provided and stacked in the vertical direction.

The blower 310 sucks air in the axial direction and discharges the air in a direction inclined forward with respect to the axial direction.

The blower 310 sucks the air from the rear and discharges the air inclined between the front and the side.

The first fan assembly 300 is formed by opening the front and the rear, the fan casing 320 is coupled to the cabinet assembly 100, is coupled to the fan casing 320, the fan casing 320 It includes a plurality of blowers 310 installed in.

The pan casing 320 is manufactured in a box shape in which the front and rear surfaces are open. The pan casing 320 is coupled to the cabinet assembly 100.

The front surface of the pan casing 320 is disposed to face the door assembly 200. The rear surface of the pan casing 320 is disposed to face the heat exchange assembly 500.

The front of the pan casing 320 is in close contact with the door assembly 200 is closed.

In this embodiment, a part of the side surface of the pan casing 320 is exposed to the outside. The side discharge port 301 is formed in the fan casing 320 exposed to the outside. Discharge vanes for controlling the discharge direction of air are disposed in the side discharge port 301. The side discharge port 301 is disposed on the left and right of the pan casing 320, respectively.

The blower 310 is stacked in a line with respect to the vertical direction.

9 is a front view of the second fan assembly shown in FIG. 2, FIG. 10 is a left side view of FIG. 9, FIG. 11 is a right side view of FIG. 9, FIG. 12 is an enlarged cross-sectional view of the second fan assembly shown in FIG. 8, FIG. 13 is a cross-sectional plan view of FIG. 8, FIG. 14 is an exploded perspective view of the second fan assembly shown in FIG. 2, FIG. 15 is a front view of the guide housing shown in FIG. 14, and FIG. 16 is a view of the guide housing shown in FIG. 14. Top view, FIG. 17 is a left side view of the guide housing shown in FIG. 14.

The second fan assembly 400 is configured to discharge air forward with respect to the cabinet assembly 100. The second fan assembly 400 provides a direct wind to the user.

The second fan assembly 400 is disposed in front of the heat exchange assembly 500. The second fan assembly 400 is stacked on the upper side of the first fan assembly 300.

The second fan assembly 400 discharges air to the front discharge port 401 formed in the door assembly 200. The second fan assembly 400 provides a structure rotatable in the up, down, left, right or diagonal direction. The second fan assembly 400 may improve air circulation by discharging air toward the far side of the indoor space.

The second fan assembly 400 includes a fan base 410 having a fan suction hole 411 through which the air passing through the heat exchange assembly 500 is sucked, and is disposed in front of the fan base 410 and the fan suction hole 411. Fan 420 for discharging the air sucked in the in the direction of the four-flow direction, and disposed in front of the fan base 410, coupled to the fan base 410, the air pressurized by the fan 420 The fan housing 430 and the fan housing 430 installed in the fan housing 430 and connected to the fan 420 and the motor shaft to rotate the fan 420 and the fan housing 430. 430 is located in front of the discharge grill 450 for controlling the discharge direction of the air guided through the fan housing 430, and is coupled to at least one of the fan casing 320 or the cabinet assembly 100 and the The fan housing 430 is movably coupled in the front-rear direction so that the slab of the fan housing 430 can be moved. A guide housing 460 for guiding the movement of the guide, a fan housing actuator 470 for providing a driving force when the fan housing 430 slides, and the discharge grill 450 above the fan housing 430 And a tilting assembly 1000 that controls the tilting of the discharge grill 450 so as to rotate in a lower, left, right or diagonal direction.

The fan base 410, the fan 420, the fan housing 430, and the fan motor 440, which are assembled into one structure, are defined as a fan housing assembly.

The fan base 410 is disposed in the vertical direction with respect to the ground. The heat exchange assembly 500 is disposed at the rear of the fan base 410, and the fan 420 is disposed at the front. An orifice protruding forward is formed on the front surface of the fan base 410. The fan suction opening 411 is formed at the center of the orifice.

The fan 420 is located in the orifice and rotated. The fan 420 discharges the air sucked through the fan suction port 411 in the crossflow direction.

In the present embodiment, the crossflow direction is defined as the front side diagonal direction.

The fan housing 430 is formed in a cylindrical shape and is opened and opened in the front-rear direction. The fan motor 440 is positioned in front of the fan housing 430, and the fan 420 is located at the rear.

The motor shaft of the fan motor 440 is coupled to the fan 420 through the fan housing 430. The fan motor 440 may be located inside the fan housing 430, thereby reducing the thickness of the second fan assembly 400. The fan motor 440 is mounted to the fan housing 430.

The fan housing 430 includes an outer fan housing 432, an inner fan housing 434, and a vane 436.

The outer fan housing 432 is formed in a cylindrical shape of the front and rear openings, it is installed in the guide housing 460. The outer fan housing 432 may receive a driving force from the fan housing actuator 470 and move in the front-rear direction.

The inner fan housing 434 is formed in a cylindrical shape in which the front and rear surfaces are opened, and is located inside the outer fan housing 432. The inner fan housing 434 and the outer fan housing 432 are disposed to be spaced apart by a predetermined interval, and the vane 436 connects the outer fan housing 432 and the inner fan housing 434 integrally.

The outer fan housing 432, the inner fan housing 434, and the vane 436 add linearity to the air discharged from the fan 420.

The fan motor 440 may be mounted inside the inner fan housing 434 to minimize interference with the discharge air.

The guide housing 460 mounts the fan housing 430 and guides the front and rear directions of the fan housing 430.

The shape of the guide housing 460 is not particularly limited. In the present embodiment, the guide housing 460 may be mounted or coupled to the upper portion of the pan casing 320.

The guide housing 460 is manufactured to have a bottom surface corresponding to an upper surface of the pan casing 320 to facilitate coupling with the pan casing 320. The guide housing 460 is formed to surround a portion of the bottom and both sides of the fan housing 430. The structure for guiding the fan housing 430 may be disposed on either the bottom or the side.

The guide housing 460 includes a housing base 462 disposed on an upper portion of the first fan assembly 300, and housing side walls 463 and 464 protruding upward from both edges of the housing base 462. ).

At least one of the guide housing 460 and the fan housing assembly is provided with a fan housing stopper 461 for limiting a forward movement distance of the fan housing assembly.

In the present exemplary embodiment, the fan housing stopper 461 is disposed in the guide housing 460 and is in contact with the fan housing assembly when the fan housing assembly moves forward.

In the present embodiment, the fan housing stopper 461 is disposed in the housing base 462. Unlike the present embodiment, the fan housing stopper 461 may be disposed on the housing sidewalls 463 and 464.

Wiring holes 465 for wiring the guide motor 472 to be described later are formed in the housing sidewalls 463 and 464. The wiring hole 465 extends in the front-rear direction and is formed to communicate the inside and the outside of the guide housing 460. The wiring hole 465 provides a space in which the wiring connected to the guide motor can be moved in the front and rear directions when the fan housing assembly is moved. Since the wiring may move along the wiring hole 465, it provides connection reliability with the guide motor 472.

The guide housing 460 is provided with a fastening portion for coupling with the fan casing 320. The fastening part is formed in the housing base 462.

The fan housing actuator 470 is configured to move forward and backward of the fan housing 430. The fan housing actuator 470 may move the fan housing 430 in a forward and backward direction through a control signal of a controller.

When the indoor unit is in operation, the fan housing actuator 470 advances the fan housing 430. When the indoor unit is stopped, the fan housing actuator 470 reverses the fan housing 430.

In the present embodiment, the fan housing actuator 470 moves the fan housing 430 through the driving force of the guide motor. Unlike the present embodiment, the fan housing actuator 470 may move the fan housing in the front and rear direction by using a device such as a hydraulic cylinder.

In this embodiment, the central axis (M1) of the fan housing assembly and the central axis (C1) of the front discharge port 401 is arranged to match. The fan housing actuator 470 moves the fan housing assembly in the front-rear direction in a state where the central axes M1 and C1 are coincident with each other.

The fan housing actuator 470 is disposed in the fan housing assembly, and provides a guide motor 472 for providing a driving force to move the fan housing assembly in the front and rear directions, and is disposed in the fan housing assembly. A guide shaft 474 rotated by the rotational force of 472, a first guide gear 476 coupled to the left side of the guide shaft 474, and rotated together with the guide shaft 474, and the guide. A second guide gear 477 coupled to the right side of the shaft 474 and rotated together with the guide shaft 474, disposed in the guide housing 460, and meshed with the first guide gear 476. And a second rack 479 disposed in the first rack 478 and the guide housing 460 and engaged with the second guide gear 477.

In this embodiment, the guide motor 472 is installed in the fan housing 430, the first rack 478 and the second rack 479 is disposed in the guide housing 460. Unlike the present embodiment, the guide motor 472 may be disposed in the guide housing 460, and the rack 478 may be disposed in the fan housing 430.

The fan housing 430 is advanced or retracted by the interaction of the racks 478 and 479 and the guide gears 476 and 477.

In this embodiment, one guide motor 472 is used, and a guide shaft 474 is disposed to uniformly move the fan housing 430, and first guide gears are disposed at both ends of the guide shaft 474, respectively. 476 and the second guide gear 477 are disposed.

In this embodiment, the first guide gear 476 is disposed on the left side of the guide shaft 474, and the second guide gear 477 is disposed on the right side of the guide shaft 474.

Racks 478 and 479 meshing with the guide gears 476 and 477 are disposed on the left and right sides of the guide housing 470, respectively.

In the present embodiment, the first guide gear 476 and the second guide gear 477 are disposed above the first rack 478 and the second rack 479. The first guide gear 476 and the second guide gear 477 are moved in the front-rear direction by riding the first rack 478 and the second rack 479.

The first rack 478 and the second rack 479 are formed on the upper surface of the housing base 462 of the guide housing 470, and protrude upward from the housing base 462 to guide the gears 476. 477 and mutual interference. The rack 478 extends in a longitudinal direction.

The guide motor 472 may be disposed at a lower left side or a lower right side of the fan housing 430. The motor shaft of the guide motor 472 may be directly coupled to the first guide gear 476 or the second guide gear 477.

Thus, when the guide motor 472 is rotated, the first guide gear 476 and the second guide gear 477 are simultaneously rotated by the rotational force of the guide motor 472, the fan housing 430 The left and right sides may be advanced or reversed through the same force.

A first guide rail 480 and a second guide rail 490 are further disposed between the fan housing 430 and the guide housing 470 so as to smoothly move the fan housing 430.

The first guide rail 480 couples the left side of the guide housing 470 and the left side of the fan housing assembly. In this embodiment, the first guide rail 480 is fixed to the inner left wall of the guide housing 470. The first guide rail 480 is fixed to the left side of the fan housing 430.

The first guide rail 480 supports the load of the fan housing assembly and guides the moving direction of the fan housing assembly.

The second guide rail 490 couples the right side of the guide housing 470 and the right side of the fan housing assembly. In the present embodiment, the second guide rail 490 is fixed to the inner right wall of the guide housing 470. The second guide rail 490 is fixed to the right side of the fan housing 430.

The second guide rail 490 supports the load of the fan housing assembly and guides the moving direction of the fan housing assembly.

The first guide rail 480 and the second guide rail 490 are disposed symmetrically with respect to the central axis M1 of the fan housing assembly.

Since the first guide rail 480 and the second guide rail 490 support a part of the load of the fan housing assembly, the front and rear movements of the fan housing assembly can be smoothly implemented.

Since the first guide rail 480 and the second guide rail 490 are arranged symmetrically with respect to the central axis, the left and right sides of the fan housing assembly are guided to be moved at the same speed and distance. When the moving speed and the distance of the left or right side of the fan housing assembly are non-uniform, the second fan assembly 400 is moved while moving. In addition, when the moving speed and the distance of the left or right of the fan housing assembly is non-uniform, it may not be accurately inserted into the front discharge port (401).

The first guide rail 480 is disposed between the left side of the housing side wall 463 and the fan housing 430. The second guide rail 490 is disposed between the right side of the housing side wall 464 and the fan housing 430.

The first guide rail 480 and the second guide rail 490 minimize friction during movement of the fan housing 430 through rolling friction.

The fan housing assembly may be moved forward through the operation of the fan housing actuator 470, and thus, a part of the discharge grill 450 may be exposed out of the front discharge port 401.

Before the fan housing actuator 470 is operated, the discharge grill 450 is not exposed outside the front discharge port 401.

The discharge grill 450 is located in front of the fan housing 430. The discharge grill 450 is partially inserted into the fan housing 430. The discharge grill 450 may be tilted in an up, down, left, right or diagonal direction while being inserted into the fan housing 430.

The discharge grill 450 is formed in a shape corresponding to the entire surface of the fan housing 430. In the present embodiment, the discharge grill 450 is formed in a cylindrical shape. Since the discharge grill 450 is tilted in the inserted state in the fan housing 430, it is possible to minimize the leakage of the discharge air between the discharge grill 450 and the fan housing 430.

The outer surface 451 of the discharge grill 450 is formed in a curved surface with respect to the front and rear directions. When tilting through the curved surface formed on the outer surface 451 of the discharge grill 450, it is possible to form a constant distance from the fan housing 430.

In this embodiment, the shaft center C1 at the tilting of the discharge grill 450 coincides with the motor shaft of the fan motor 440. Unlike the present embodiment, when the discharge grill 450 is tilted, the shaft center C1 may be disposed to be offset from the shaft center M1 by the fan motor 440.

The discharge grill 450 may be tilted in an up, down, left, right or diagonal direction based on the axis center C1. The discharge grill 450 may be tilted in an up, down, left, right or diagonal direction while being exposed to the front discharge port 401. The tilting assembly 1000 is disposed to steer the tilting angle of the discharge grill 450.

The tilting assembly 1000 is disposed between the discharge grill 450 and the fan housing 430. The tilting assembly 1000 is disposed at a position where interference with discharge air is minimized.

In this embodiment, the tilting assembly 1000 is positioned in front of the inner fan housing 434 to minimize interference with the discharged air. In particular, the tilting assembly 1000 is located in front of the fan motor 440.

The tilting assembly 1000 provides a structure in which the discharge vanes 450 are not restricted in a tilting direction or order. That is, the tilting assembly 1000 may perform left and right tilting after tilting up and down. In addition, the tilting assembly 1000 may tilt in the vertical direction after the left and right tilting.

Since the tilting assembly 1000 according to the present invention has no limitation in the direction of tilting, steering of the discharge vane 450 may be realized immediately.

The tilting assembly 1000 has a rear surface fixed to the fan housing 430 side and a front surface of the joint 1050 which is assembled to the discharge vane 450 in a tiltable manner, and the fan housing 430 side or the discharge vane. A first tilting unit 1001 fixed to the side of 450 and rotatably coupled to the discharge vane 450 and moved in the front-rear direction to tilt the discharge vane 450 in a first direction and the fan A second tilting fixed to the housing 430 side or the discharge vane 450 side and coupled to the discharge vane 450 so as to be relatively rotatable and moved in the front-rear direction to tilt the discharge vane 450 in the second direction Unit 1002.

The joint 1050 is disposed on the shaft center C1. In this embodiment, the joint 1050 is a ball joint is used. A universal joint may be used instead of the ball joint to be different from the present embodiment.

The joint 1050 may be fixed to the fan housing 320 or may be fixed to the fan motor 440.

In the present embodiment, the joint 1050 is installed in the fan mounter 442 that fixes the fan motor 440 to the fan housing 430.

The joint 1050 is disposed to face the front surface, and is disposed on the shaft center C1 of the discharge vane 450 and the shaft center M1 of the fan motor 440.

The joint 1050 may be directly assembled to the rear surface of the discharge vane 450. In this embodiment, the tilting cover 1070 is further included, and the tilting cover 1070 is disposed between the discharge vane 450 and the joint 1050.

The tilting cover 1070 is coupled to the rear surface of the discharge vane 450. The tilting cover 1070 is tilted in the up, down, left, right or diagonal direction together with the discharge vane 450.

The tilting cover 1070 covers the opened front surface of the inner fan housing 434. The tilting cover 1070 conceals the fan motor 440 inside the inner fan housing 434.

The joint 1050 is assembled to the rear surface of the tilting cover 1070 to be tiltable. The tilting cover 1070 and the joint 1050 are ball joint coupled to enable the free rotation of the tilting cover 1070.

The discharge vane 450 may be tilted in an up-down direction, left-right direction, or diagonally inclined direction in a state facing the front surface. The discharge vane 450 is not limited in the tilting direction in the state facing the front.

In this embodiment, the first direction is set in the vertical direction, and the second direction is set in the left and right directions. Unlike the present embodiment, the first direction and the second direction can be arbitrarily changed. In the present embodiment, the first direction and the second direction form an angle of 90 degrees.

The first tilting unit 1001 may push or pull the discharge vane 450 and tilt the discharge vane 450 in the vertical direction with respect to the joint 1050.

The second tilting unit 1002 may push or pull the discharge vane 450, and tilt the discharge vane 450 in a left and right direction based on the joint 1050.

The combination of the first tilting unit 1001 and the second tilting unit 1002 may tilt the discharge vane 450 in a diagonal direction with respect to the joint 1050.

The first tilting unit 1001 and the second tilting unit 1002 are composed of the same parts. The configuration of the first tilting unit 1001 will be described as an example.

The first tilting unit 1001 includes a bracket 1010 fixed to the fan housing 430 side or the discharge vane 450 side, and a movable rack 1020 coupled to the bracket 1010 so as to be relatively movable. Is formed in the bracket (1010), the movable rack 1020 and relative movable assembly, the guide portion 1012 for guiding the moving direction of the movable rack 1020, and the movable rack 1020 A tilting motor 1030 that provides a driving force to be moved, a tilting gear 1040 coupled to the motor shaft 1031 of the tilting motor 1030, and engaged with the moving rack 1020, and the The moving rack 1020 and the discharge grill 450 is coupled, and includes an adjust assembly (1060, adjust assembly) for adjusting the tilting angle of the discharge grill 450 when the moving rack 1020 moves.

The bracket 1010 may be fixed to the fan housing 430 or the discharge vane 450. In this embodiment, the bracket 1010 is fixed to the tilting cover 1070 disposed on the discharge vane 450 side. The bracket 1010 is coupled to the rear surface of the tilting cover 1070, and the adjust assembly 1060 is disposed through the tilting cover 1070.

The tilting motor 1030 is installed on the bracket 1010. The tilting motor 1030 moves the movable rack 1020 in the front-rear direction while being fixed to the bracket 1010.

The bracket 1010 is formed with a guide portion 1012 in the front-rear direction, and the movable rack 1020 slides along the guide portion 1012.

The guide part 1012 is formed in a slit shape penetrating in the left and right directions. Unlike the present embodiment, the guide part 1012 may be formed in a groove shape.

The moving rack 1020 is formed with an insertion portion 1022 inserted through the guide portion 1012. The insertion part 1022 may be moved along the guide part 1012. The guide part 1012 is formed to extend in the front-rear direction, and the insertion part 1022 is moved in the front-rear direction along the guide part 1012.

The movable rack 1020 is formed with a rack in the longitudinal direction, and meshes with the tilting gear (1040). According to the rotation direction of the tilting gear 1040, the moving rack 1020 may be moved forward or backward.

The motor shaft 1031 of the tilting motor 1030 is disposed to face the bracket 1010. The motor shaft 1031 is disposed in the left and right directions. The tilting gear 1040 and the moving rack 1020 are disposed between the tilting motor 1030 and the bracket 1010.

The adjust assembly 1060 is configured to connect the discharge vane 450 and the moving rack 1020.

When the discharge vane 450 is tilted, the relative distance between the discharge vane 450 and the moving rack 1020 is variable, and the adjust assembly 1060 is disposed to eliminate the variable distance difference.

The adjust assembly 1060 corrects the relative displacement and the relative angle of the discharge vane 450 and the moving rack 1020, and maintains the discharge vane 450 in a tilted state.

In the present embodiment, the adjust assembly 1060 corrects the relative displacement and the relative angle through a multi-joint structure.

The adjust assembly 1060 has a first ball stud 1061 and a first ball stud 1061 having a rear side coupled to the movable rack 1020 and having a first first ball hinge 1065 formed at a front side thereof. The first ball housing 1063 having the first ball hinge 1065 disposed in the front side of the head) is inserted therein, and the front side is coupled to the discharge vane 450 and the second second ball hinge at the rear side. A second ball stud 1062 having a 1066 formed therein and the second ball hinge 1066 disposed at a rear side of the second ball stud 1062 are inserted therein, and the first ball housing 1063 is inserted therein. A second ball housing 1064 coupled with the first ball housing 1063 and the second ball housing 1064, and the first first ball hinge 1065 and the second second ball hinge 1064. 1066 and a hinge bar 1068 for forming relative rotation, respectively.

The rear side of the first ball stud 1061 is fixed to the moving rack 1020. In the present embodiment, the first ball stud installation portion 1023 to which the first ball stud 1061 is fitted is formed at the front side of the movable rack 1020.

A spherical first ball hinge 1065 is disposed in front of the first ball stud 1061.

The first ball hinge 1065 is inserted into the first ball housing 1063. The first ball hinge 1065 may be freely rotated relative to the first ball housing 1063 in the first ball housing 1063.

Similarly, the front side of the second ball stud 1062 is fixed to the tilting cover 1070. A spherical second ball hinge 1066 is disposed behind the second ball stud 1062.

The second ball hinge 1066 is inserted into the second ball housing 1064. The second ball hinge 1066 may be freely rotated relative to the second ball housing 1064 in the second ball housing 1064.

The first ball housing 1063 and the second ball housing 1064 are combined to form a ball housing. The first ball hinge 1065 and the second ball hinge 1066 are disposed to face each other in the ball housing.

The hinge bar 1068 is disposed between the first ball hinge 1065 and the second ball hinge 1066. The hinge bar 1068 maintains a minimum distance between the first ball hinge 1065 and the second ball hinge 1066. The hinge bar 1068 reduces friction between the first ball hinge 1065 and the second ball hinge 1066.

The hinge bar 1068 has a concave first accommodating portion 1068a in which a portion of the first ball hinge 1065 can be accommodated on a rear side thereof, and a portion of the second ball hinge 1066 on a front side thereof. A concave second receiving portion 1068b that can be accommodated is formed.

The hinge bar 1068 is formed in a mortar form on both sides.

In the present embodiment, the adjust assembly 1060 connects the movable rack 1020 and the discharge vane 450 through the tilting cover 1070. To this end, the tilting cover 1070 is formed with through holes 1071 and 1072 through which the adjust assembly 1060 passes.

Two through holes 1071 and 1072 are formed for the first tilting unit 1001 and the second tilting unit 1002.

FIG. 18 is a front sectional view of the first fan assembly shown in FIG. 2.

The fan casing 320 is provided with three blowers 310. However, since the three blowers 310 have the same structure, only one portion of the blower 310 and the part of the fan casing 320 in which the blower 310 is installed will be described as an example.

The blower 310 includes a swirl fan 340 and a fan motor 350 for rotating the swirl fan 340. The swirling fan 340 sucks air in the axial direction when rotated by the driving of the fan motor 350 to discharge the sucked air between the axial direction and the radial direction. The swirling fan 340 sucks air from the rear, and discharges the sucked air between the front and side surfaces. On the other hand, the crossflow fan 340 is formed in the same structure as the fan 420 of the second fan assembly 400.

The swirling fan 340 is connected to the shroud 341, the hub 342 spaced apart from the shroud 341, and a blade 343 connecting the shroud 341 and the spaced apart of the hub 342. Include. The blade 343 is provided in plurality, and the plurality of blades 343 are spaced apart from each other along the circumferential direction. In the present embodiment, the plurality of blades 343 is formed of seven. Since the plurality of blades 343 are formed in the same shape, only one blade 343 will be described below as an example.

The rotation axis of the fan motor 350 is coupled to the center of the hub 342. Therefore, when the rotation shaft of the fan motor 350 is rotated during the operation of the fan motor 350, the hub 342 may be rotated together with the rotation shaft of the fan motor 350.

The fan casing 320 has an air inlet 325 formed at one surface in an axial direction thereof. When defining the axial direction in the front and rear direction, the air inlet 325 may be formed in the front and rear direction on the back of the fan casing (320).

The fan casing 320 is provided with a scroll 330 for guiding the air discharged from the blower 310 laterally with respect to the cabinet assembly 100.

The scroll 330 guides the air discharged from the blower 310 to the side discharge port 301. The scroll 330 guides the air introduced into the scroll 330 through the air suction port 325 to the air discharge ports 326 and 327 on both sides. The air discharge ports 326 and 327 on both sides may be holes communicating with the side discharge ports 301.

The fan casing 320 accommodates the swirling fan 340 therein. The fan casing 320 has air inlets 325 formed on one surface in the axial direction, and air outlets 326 and 327 formed on both sides in the radial direction. In the shroud 341 of the swirling fan 340, a hole communicating with the air inlet 325 is formed to pass through the axial direction, and the hole communicating with the air inlet 325 is considered when only the swirling fan 340 itself is opened. It may be an air intake.

The hub 342 of the swirling fan 340 is convexly formed toward the air inlet 325, and the opposite side surface of the air inlet 325 is concave. The hub 342 may be formed with the rear surface convex toward the rear and the front surface concave toward the rear. The front surface of the fan casing 320 is formed in a shape corresponding to the shape of the hub 342, the fan motor insertion portion 302 is formed concave toward the rear may be formed. The fan motor insert 302 may be inserted into the concave front surface of the hub 342. The fan motor 350 may be inserted into the fan motor insertion unit 302 and disposed in the fan motor insertion unit 302. The rotating shaft of the fan motor 350 may be coupled to the center of the hub 342 after passing through the fan motor inserting portion 302 in front of the fan casing 320. The hub 342 may be axially spaced apart from the fan motor insert 302. Opposite surfaces of the hub 342 and the fan motor inserting portion 302 may be spaced at equal intervals. The fan motor 350 may be coupled into the fan motor insertion unit 302 through a triangular motor mount 351. The motor mount 351 supports one side of the case of the fan motor 350 opposite to the surface on which the rotating shaft protrudes, and three fastening bosses 302A having three corner portions protruding inside the fan motor insertion unit 302. Can be fastened via bolts.

The scroll 330 surrounds the circumferential fan 340 in the circumferential direction, and both ends thereof extend to the respective air discharge ports 326 and 327 to guide the air introduced through the air suction ports 325 to the air discharge ports 326 and 327.

The scroll 330 includes a first scroll portion 331 surrounding one side of the swirling fan 340 and a second scroll portion 332 surrounding the other side of the swirling fan 340. The first scroll part 331 is located above the second scroll part 332 and is formed to be longer in the horizontal direction. The second scroll portion 332 is located below the first scroll portion 331 and is formed long in the horizontal direction. The first scroll part 331 and the second scroll part 332 are formed to have the same inner surface facing each other. However, the second scroll portion 332 has a shape in which both ends of the first scroll portion 331 are inverted by 180 degrees with respect to the center of the air suction opening 325. The second scroll unit 332 has a first scroll unit 331 and a second scroll, except that both ends of the first scroll unit 331 are formed to be inverted by 180 degrees with respect to the center of the air inlet 325. Since the unit 332 is formed in the same shape, only one second scroll unit 332 will be described as an example.

The inner side surface of the second scroll portion 332 has a flat surface portion 332A and a curved portion (from the air discharge port 326 of the two air discharge ports 326 and 327 to the other air discharge port 327). 332B and the inclined surface portion 332C are sequentially arranged.

The flat surface portion 332A extends parallel to the axial direction from one air discharge port 326 of the air discharge ports 326 and 327 on both sides to the other air discharge port 327. The curved portion 332B is curved and extended from the flat surface portion 332A toward the other air discharge port 327. The inclined surface portion 332C extends from the curved surface portion 332B to the other air discharge port 327 but inclined with respect to the axial direction. The inclined surface portion 332C is formed by inclining the front end which is one end in the axial direction and the rear end which is the other end in the axial direction. Of course, the inclined surface portion 332C of the first scroll portion 331 is formed by lowering the front end which is one end in the axial direction and the rear end which is the other end in the axial direction. That is, any one of the inclined surface portion 332C of the first scroll portion 331 and the inclined surface portion 332C of the second scroll portion 332 is formed by inclining one end in the axial direction and the other end low. It is formed by inclining one end low and the other end low in the axial direction. Therefore, the air discharge ports 326 and 327 on both sides have one side of the fan casing 320 having the air suction port 325 formed wider than the other side.

FIG. 19 is a front view of the swirling fan illustrated in FIG. 18, FIG. 20 is a front sectional view of FIG. 19, FIG. 21 is a plan view of FIG. 19, and FIG. 22 is a view of the shroud projected from FIG. 21.

The shroud 341 is formed with a circular air inlet 345 communicating in the axial direction. Here, the air intake 345 may be a hole communicating with the air intake 325 formed in the fan casing 320. When defining the axial direction in the vertical direction, the shroud 341 is the upper and lower ends are opened, the open upper end is the air intake 345.

Hub 342 may have a central portion 342A inserted into shroud 341. That is, the center portion 342A means a portion of the hub 342 that is inserted into the shroud 341. The central portion 342A may have a convex surface facing the air intake 345 and a surface opposite to the air intake 345 may be concave. The hub 342 is formed to be convex upward and has a hollow structure with an open lower end. The hub 342 has an upper end inserted into the shroud 341 through an open lower end of the shroud 341, and a lower end protruding toward the lower end of the shroud 341.

The blade 343 includes a leading edge 343A positioned at the leading edge of the rotational direction and formed straight, a trailing edge 343B positioned at the rear end of the rotating direction and straightened, and one end and trailing edge 343B of the leading edge 343A. ) And one end of the trailing edge 343B and the other end of the trailing edge 343B and the shroud cord 343C extending from the inner circumferential surface of the shroud 341. Extending hub cord 343D.

The trailing edge 343B has one end connected to the outermost edge end of the shroud 341, and the other end is disposed behind the trailing edge 343B in the rotational direction and is thus the outermost edge of the hub 342. Connected to the stage. Here, the outermost edge end of the shroud 341 means the edge end located at the outermost in the radial direction of the inner peripheral surface of the shroud 341, when the axial direction is defined in the vertical direction of the shroud 341 The bottom of the inner circumferential surface, and means the bottom of the inner circumferential surface of the first inclined portion 341B to be described later in this embodiment. In addition, the outermost edge end of the hub 342 means the edge end located in the outermost in the radial direction of the outer peripheral surface of the hub 342, when the axial direction is defined in the vertical direction of the outer peripheral surface of the hub 342 In the present embodiment, it means the bottom of the outer circumferential surface of the second inclined portion 342B.

One end of the leading edge 343A is connected to the innermost edge of the shroud 341, and the other end thereof is disposed in front of one end of the leading edge 343A in the rotational direction. The other end of the leading edge 343A is disposed closer to the center 342A of the hub 342 than the other end of the trailing edge 343B is connected to the hub 342 below the center 342A. Here, the innermost edge end of the shroud 341 refers to the edge end located in the innermost radial direction of the inner peripheral surface of the shroud 341, and when the axial direction is defined in the vertical direction of the shroud 341 It may mean the uppermost of the inner circumferential surface, in the present embodiment means the uppermost of the inner circumferential surface of the first inclined portion (341B) to be described later. In addition, a portion of the hub 342 to which the other end of the leading edge 343A is connected means a position spaced axially from the innermost edge end in the radial direction of the outer circumferential surface of the second inclined portion 342B, which will be described later. When the axial direction is defined in the vertical direction, it means below the uppermost end of the outer circumferential surface of the second inclined portion 342B.

The shroud cord 343C is formed to extend from the inner circumferential surface of the shroud 341, and may be formed to be curved in a shape corresponding to the inner circumferential surface of the shroud 341. The hub cord 343D extends from the outer circumferential surface of the hub 342 and may be formed to be curved in a shape corresponding to the outer circumferential surface of the hub 342.

The shroud 341 includes a suction portion 341A which forms the air inlet 345 in the axial direction, and a first inclined portion 341B extending inclined between the axial direction and the radial direction at the suction portion 341A. .

The hub 342 includes a second inclined portion 342B extending obliquely from the central portion 342A between the axial direction and the radial direction and disposed outside the first inclined portion 341B. The second inclined portion 342B is a portion disposed outside the first inclined portion 341B, and means a portion that protrudes to the outside of the shroud 341. That is, the hub 342 becomes a central portion 342A, the upper portion of which is inserted into the first inclined portion 341B of the shroud 341 based on the virtual straight line L shown in FIG. 20. The lower portion becomes a second inclined portion 342B, which is a portion protruding to the outside of the first inclined portion 341B of the shroud 341 based on the straight line L of the.

The trailing edge 343B has one end connected to the outermost edge end in the radial direction of the inner circumferential surface of the first inclined portion 341B, and the other end is the outermost edge end in the radial direction of the outer circumferential surface of the second inclined portion 342B. Is connected to. When the axial direction is defined in the vertical direction, the trailing edge 343B has one end connected to the bottom of the inner circumferential surface of the first inclined portion 341B, and the other end is the bottom of the outer circumferential surface of the second inclined portion 342B. Is connected to.

The leading edge 343A has one end connected to the innermost edge end in the radial direction of the inner circumferential surface of the first inclined portion 341B, and the other end connected to the outer circumferential surface of the second inclined portion 342B. When the axial direction is defined in the up and down direction, the leading edge 343A has one end connected to the uppermost end of the inner circumferential surface of the first inclined portion 341B, and the other end of the leading edge 343A is lower than the uppermost of the outer circumferential surface of the second inclined portion 342B. Is connected below.

The linear length L1 of the second inclined portion 342B in the axial direction may be longer than the linear length L2 of the shroud 341 in the axial direction. That is, the linear length L1 in the axial direction of the portion protruding from the shroud 341 in the hub 342 is formed longer than the linear length L2 in the axial direction of the shroud 341. In the present embodiment, the linear length L1 in the axial direction of the second inclined portion 342B is 42 mm, and the linear length L2 in the axial direction of the shroud 341 is 26 mm. Therefore, in the present embodiment, the linear length L3 in the axial direction of the entire swirling fan 340 is formed to be 68 mm.

The narrow angle D1 between the straight line L4 passing through the first inclined portion 341B and the straight line L5 extending in the axial direction is a straight line L6 passing through the second inclined portion 342B in the axial direction. It is formed larger than the narrow angle D2 between the extending straight lines L7. In the present embodiment, the narrow angle D1 between the straight line L4 passing through the first inclined portion 341B and the straight line L5 extending in the axial direction is 55.2 degrees, and the straight line passing through the second inclined portion 342B. The narrow angle D2 between L6 and the straight line L7 extending in the axial direction is formed to be 44.1. That is, the distance between the first inclined portion 341B and the second inclined portion 342B is gradually wider from the side of the air intake 345. In other words, the space between the first inclined portion 341B and the second inclined portion 342B is a flow path through which the air sucked in the air inlet 345 flows, and the flow path is the air inlet 345. The farther away from the side is gradually formed wider.

The length of the straight line L8 connecting both ends of the shroud cord 343C may be shorter than the length of the straight line L9 connecting both ends of the hub cord 343D. In this embodiment, the length of the straight line L8 connecting both ends of the shroud cord 343C is 45.5 mm, and the length of the straight line L9 is 58 mm on both ends of the hub cord 343D.

The narrow angle D3 between the curve L10 passing through the shroud cord 343C and the curve L11 passing through the innermost edge of the first inclined portion 341B is the curve passing through the shroud cord 343C ( It is formed smaller than the narrow angle D4 between L10 and the curve L12 which passes the outermost edge end of the 1st inclination part 341B. In the present embodiment, the narrow angle D3 between the curve L10 passing through the shroud cord 343C and the curve L11 passing through the innermost edge of the first inclined portion 341B is referred to as the shroud side entrance angle. Narrow angle D4 between the curve L10 passing through the shroud cord 343C and the curve L12 passing through the outermost edge of the first inclined portion 341B, the shroud side. It can be named exit angle and is formed at 36.7 degrees.

The narrow angle D5 between the curve L13 passing through the hub cord 343D and the curve L14 passing through the rotation direction tip of the hub cord 343D among the outer circumferential surfaces of the second inclined portion 342B is the hub cord 343D. Is smaller than the narrow angle D6 between the curve L13 passing through) and the curve L15 passing through the outermost edge of the second inclined portion 342B. In the present embodiment, the narrow angle D5 between the curve L13 passing through the hub cord 343D and the curve L14 passing through the rotation direction end of the hub cord 343D among the outer circumferential surfaces of the second inclined portion 342B is the hub side. A narrow angle D6 between a curve L13 passing through the hub cord 343D and a curve L15 passing through the outermost edge of the second inclined portion 342B, which may be referred to as an entrance angle, is formed at 21.6 degrees. It may be named the hub side exit angle and is formed at 37.9 degrees.

The plurality of blades 343 may include a first blade 343-1 and a second blade 343-2 positioned immediately behind the first blade 343-1 in the rotation direction. The straight line L16 passing through the center C of the hub 342 and one end of the trailing edge 343B of the first blade 343-1, and the center C of the hub 342 and the second blade 343. The narrow angle D7 between the straight line L17 passing through the other end of the leading edge 343A at −2) is the center C of the hub 342 and the trailing edge 343B of the first blade 343-1. Smaller than the narrow angle D8 between the straight line L16 passing through one end of the edge and the straight line L18 passing through the center C of the hub 342 and one end of the leading edge 343A of the second blade 343-2. Is formed. In the present embodiment, the straight line L16 passing through the center C of the hub 342 and one end of the trailing edge 343B of the first blade 343-1, and the center C and the center of the hub 342 are formed. The narrow angle D7 between the straight line L17 passing through the other end of the leading edge 343A of the two blades 343-2 may be referred to as the hub installation angle and is formed at 41.3 degrees, and the center C of the hub 342 is defined. And a straight line L16 passing through one end of the trailing edge 343B of the first blade 343-1, the center C of the hub 342, and the leading edge 343A of the second blade 343-2. The narrow angle (D8) between the straight line (L18) passing through one end of can be named as the shroud installation angle and is formed at 42.8 degrees.

On the other hand, in the present embodiment the bottom outer diameter of the second inclined portion 342B, which is the maximum outer diameter of the hub 342 may be named as the diameter of the hub 342 and is formed of 194.7mm, the diameter of the air inlet 345 is It is formed of 216.9 mm. The lower end diameter of the first inclined portion 341B, which is the maximum outer diameter of the shroud 341, is formed to be 270 mm.

FIG. 23 is an exploded perspective view showing another embodiment of the second fan assembly shown in FIG. 2, FIG. 24 is a cross-sectional view of the coupled state of FIG. 23, FIG. 25 is a rear perspective view of the discharge grill shown in FIG. 23, and FIG. 25 is a cross-sectional view.

The second fan assembly 4000 of another embodiment includes a fan housing unit 4200, a swirl fan 340, a fan motor 4400, a discharge vane 4500, and a discharge grill 4600. Here, since the vortex fan 340 is formed in the same structure as the vortex fan 340 of the first fan assembly 300, the same reference numerals as those of the vortex fan 340 of the first fan assembly 300 will be described. Will be omitted.

The fan housing unit 4200 has an air suction port 4115 formed at the rear side, and an air discharge port 4315 is formed at the front side. The fan housing unit 4200 includes a fan housing body 4300 and a fan housing base 4100. The fan housing main body 4300 is disposed at the front of the fan housing base 4100, and the fan housing base 4100 is disposed at the rear of the fan housing main body 4300.

The front and rear surfaces of the fan housing body 4300 are opened. An annular housing rib 4310 is protruded from the front surface of the fan housing body 4300. The housing rib 4310 has an air discharge port 4315 formed therein. The housing rib 4310 has a larger inner diameter from the rear end to the front end.

An annular orifice 4110 protrudes from the front surface of the fan housing base 4100. Orifice 4110 defines air intake 4115 therein. Orifice 4110 is inserted into fan housing body 4300 through the open rear surface of fan housing body 4300. The orifice 4110 is inserted into the suction portion 341A formed in the shroud 341 of the vortex fan 340 in the fan housing body 4300. The diameter of the orifice 4110 is preferably smaller than the diameter of the housing rib 4310 and smaller than the diameter of the suction portion 341A.

The swirling fan 340 is rotatably disposed in the fan housing unit 4200. The fan motor 4400 has a rotation shaft coupled to the center of the hub 342 of the vortex fan 340 to rotate the vortex fan 340. The fan motor 4400 may be partially inserted into the concave interior of the hub 342.

The discharge vane 4500 is disposed in front of the swirling fan 340, and the discharge grille 4600 is disposed in front of the discharge vane 4500. The discharge vane 4500 and the discharge grill 4600 may control the direction of the air blown from the crossflow fan 340. The discharge vane 4500 may primarily control the direction of air blown from the swirling fan 340, and the discharge grille 4600 may secondary control the direction of the air passing through the discharge vane 4500. The direction of the air blown from the swirling fan 340 can be controlled through the discharge vane 4500 and the discharge grill 4600 so that the air discharged forward can be sent as far as possible. In particular, the air blown from the swirl fan 340 has a stronger force flowing in the crossflow direction than the force flowing in front, so that the discharge vane 4500 and the discharge grill 4600 are blown from the swirl fan 340. By controlling the direction, the flow of air flowing in the crossflow direction can be changed to the front.

The discharge vane 4500 includes an inner rim 4510, an outer rim 4520, and a plurality of vane ribs 4530.

The inner rim 4510 is formed in an annular shape, the fan motor 4400 is coupled to the inside. A fastening boss 4515 is formed on the inner circumferential surface of the inner rim 4510. The fastening boss 4515 is formed in plural along the circumferential direction on the inner circumferential surface of the inner rim 4510. The front surface of the fan motor 4400 is coupled to the plate-shaped motor mount 4450, the motor mount 4450 is fastened through a screw to the fastening boss 4515 in front of the fastening boss 4515, the fan motor 4400 May be coupled to the inner side of the inner rim 4510.

The outer rim 4520 is formed in an annular shape and is disposed rearward of the inner rim 4510. The center of the outer rim 4520 is disposed coaxially with the center of the inner rim 4510. The outer rim 4520 is larger in diameter than the inner rim 4510.

A plurality of vane ribs 4530 are disposed between the inner rim 4510 and the outer rim 4520 to connect the inner rim 4510 and the outer rim 4520. The plurality of vane ribs 4530 are radially spaced apart from each other along the circumferential direction.

The front and rear widths of the inner rims 4510 are larger than the front and rear widths of the outer rim 4520. The plurality of vane ribs 4530 are each formed in a triangular shape. Each of the plurality of vane ribs 4530 has a triangular shape in which a bottom side is connected to an outer circumferential surface of the inner rim 4510 and a vertex is connected to an inner circumferential surface of the outer rim 4520.

The discharge grill 4600 includes a middle plate 4610, a plurality of first grill ribs 4620, and a plurality of second grill ribs 4630.

The central plate 4610 is formed in a circular shape, the center of which is disposed coaxially with the center of the inner rim 4510. The midplane 4610 may be inserted into the inner rim 4510 to shield the open front of the inner rim 4510.

The plurality of first grill ribs 4620 are formed in an annular shape. The plurality of first grill ribs 4620 may be spaced apart from the middle plate 4610 to surround the center plate. The plurality of first grill ribs 4620 are spaced apart from each other. In the present embodiment, eight first grill ribs 4620 are provided. The outer rim 4520 of the discharge vane 4500 is inserted into the first grill rib 4620 disposed at the outermost side of the plurality of first grill ribs 4620. That is, the outer rim 4520 is inserted into the first grill rib 4620 disposed on the outermost side of the plurality of first grill ribs 4620, so that an outer circumferential surface of the first grill rib 4620 is disposed on the outermost side. It adheres to the inner circumferential surface.

The plurality of second grill ribs 4630 connects the middle plate 4610 and the plurality of first grill ribs 4620. The plurality of second grill ribs 4630 are straightened in the radial direction. The plurality of second grill ribs 4630 may be connected to an inner circumferential surface of the first grill rib 4620, one end of which is disposed at the outermost side of the plurality of first grill ribs 4620, and the other end may be connected to an outer circumferential surface of the central plate 4610. Can be connected. In the present embodiment, three second grill ribs 4630 are provided in a radial manner.

In the plurality of first grill ribs 4620, the first grill ribs 4620 disposed on the outermost side have a larger width in the front-rear direction than the remaining first grill ribs 4620. The remaining first grill ribs 4620 are formed to have the same width in the front and rear directions.

The front ends of the plurality of first grill ribs 4620 are disposed in front of the first grill ribs 4620, and the rear ends of the first grill ribs 4620 disposed on the outermost side of the plurality of first grill ribs 4620 may be disposed in front of the remaining first grill ribs. The rear end of the rib 4620 is disposed. Accordingly, the front ends of the plurality of first grill ribs 4620 are disposed in front of the middle plate 4610 toward the outer side in the radial direction, and the rear ends of the remaining first grill ribs 4620 are formed on the middle plate 4610. The rear end of the first grill rib 4620, which is disposed in front of the radially outer side, is disposed behind the rear end of the remaining first grill ribs 4620.

The middle plate 4610 is formed to have the same width in the front and rear direction as the width in the front and rear directions of the remaining first grill ribs 4620. In addition, the central plate 4610 is formed with a concave front surface and a convex rear surface. Accordingly, the straight line connecting the front surface of the middle plate 4610 and the front ends of the plurality of first grill ribs 4620 is formed as a concave curved surface in which the front surface of the middle plate 4610 is located at the rearmost when viewed in front, The straight line connecting the rear surface of the middle plate 4610 and the rear end of the remaining first grill ribs 4620 is formed as a convex curved surface in which the rear surface of the middle plate 4610 is located at the rearmost side when viewed from the rear.

27 is a view showing another embodiment of the discharge grill shown in FIG. 25.

The discharge grille 5600 according to another embodiment has the shape and number of the plurality of second grill ribs 5630, and the shape and number of the plurality of second grill ribs 4630 included in the discharge grille 4600 illustrated in FIG. 25. It is formed differently from. That is, although the second grill ribs 4630 of the above-described embodiment are formed to be straight and provided in three, in the present embodiment, the second grill ribs 5630 are formed in a triangular shape and are provided as 29.

The plurality of second grill ribs 5630 may be connected to a rear end of the remaining first grill ribs 5620 except for the first grill ribs 5620 disposed at the outermost side of the plurality of first grill ribs 5620. The outer circumferential surface of the first grill rib 5620 disposed at the outermost side and the outer circumferential surface of the center plate 5610 are disposed.

The second grill rib 5630 is connected to the inner circumferential surface of the first grill rib 5620 disposed on the outermost side of the plurality of first grill ribs 5620, the vertex is connected to the outer circumferential surface of the center plate 5610 It is formed in a triangular shape.

As described above, in the fan assembly 4000 according to the embodiment of the present invention, after the air blown from the swirl fan 340 passes through the discharge vane 4500, the direction of the air is first changed, and then the discharge grill 4600 is used. While passing through the 5600, the direction of the air is secondarily changed, and the discharged air may be moved far forward.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it is to be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is indicated by the scope of the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalent concept are included in the scope of the present invention. Should be interpreted.

340: Sarufan 341: Shroud
341A: suction part 341B: first inclined part
342 Hub 341A Center
341B: second inclined portion 343: blade
343-1: first blade 343-2: second blade
343A: Leading Edge 343B: Trailing Edge
343C: Shroud Code 343D: Hub Code
4100: fan housing base 4110: orifice
4115: air intake 4200: fan housing unit
4300: fan housing body 4310: housing rib
4315 Air outlet 4400 Fan motor
4500: discharge vane 4510: inner rim
4520: outer rim 4530: vane rib
4600,5600: discharge grill 4610,5610: midplane
4620,5620: 1st grill rib 4630,5630: 2nd grill rib

Claims (17)

A fan housing unit having an air intake port formed at a rear surface thereof and an air discharge port formed at a front surface thereof;
A four-flow fan rotatably disposed in the fan housing unit;
A fan motor for rotating the vortex fan;
A discharge vane disposed in front of the vortex fan and configured to control a direction of air blown from the vortex fan; And
And a discharge grill disposed in front of the discharge vane and configured to control a direction of air passing through the discharge vane.
The discharge vane,
Annular inner rim that the fan motor is coupled to the inside,
An annular outer rim disposed rearward from the inner rim, the center of which is coaxial with the center of the inner rim, and having a larger diameter than the inner rim;
A plurality of vane ribs disposed between the inner rim and the outer rim to connect the inner rim and the outer rim and spaced apart from each other along a circumferential direction;
The front and rear width of the inner rim is formed larger than the front and rear width of the outer rim,
Each of the plurality of vane ribs is formed in a triangular shape in which a bottom side is connected to an outer circumferential surface of the inner rim, and a vertex is connected to an inner circumferential surface of the outer rim,
The discharge grill,
A circular central plate, the center of which is disposed coaxially with the center of the inner rim,
A plurality of first grill ribs spaced apart from the center plate to surround the center plate, spaced apart from each other, and formed in an annular shape;
A fan assembly comprising a plurality of second grill ribs connected to the center plate and the plurality of first grill ribs and radially arranged to be radially disposed.
delete delete The method according to claim 1,
The plurality of first grill ribs,
The first grill rib disposed at the outermost side has a larger width in the front-rear direction than the remaining first grill ribs,
The remaining first grill ribs are formed in the same width in the front and rear direction fan assembly. The method according to claim 4,
The front ends of the plurality of first grill ribs are arranged in front of the first plate ribs,
The rear end of the first grill rib disposed on the outermost side is disposed behind the rear end of the remaining first grill rib. The method according to claim 5,
The center plate is a fan assembly having a width in the front and rear direction equal to the width in the front and rear directions of the remaining first grill ribs, the front surface is concave and the rear surface is convex. The method according to claim 1,
The midplane is inserted into the inner rim,
The outer rim is a fan assembly is inserted into the outermost first grill rib of the plurality of first grill ribs. The method according to claim 1,
Each of the plurality of second grill ribs is formed in a triangular shape in which a bottom side is connected to an inner circumferential surface of the first grill rib disposed at the outermost side of the plurality of first grill ribs, and a vertex is connected to an outer circumferential surface of the central plate. Fan assembly. The method according to claim 1,
The fan housing unit,
A fan housing body having a front and rear surface open and an annular housing rib protruding from the front surface to form an annular housing rib formed inside the air discharge port;
A fan housing base disposed on a rear surface of the fan housing body and having an air inlet formed therein and an annular orifice inserted into the fan housing body through an open rear surface of the fan housing body and protruding from the front surface thereof; Fan assembly. The method according to claim 9,
The housing rib is a fan assembly in which the inner diameter is formed larger from the rear end to the front end. The method according to claim 9,
The swirl fan is
A shroud having a suction part into which the orifice is inserted and a first inclined part inclinedly extending between the axial direction and the radial direction from the suction part;
The surface facing the air inlet is convex and the opposite surface of the air inlet is concave, and the center is disposed in the first inclined portion, and extends inclined between the axial direction and the radial direction from the center to the outside of the first inclined portion. A hub having a second slope disposed on the hub; And
And a plurality of blades disposed between the shroud and the hub and spaced apart from each other to connect the shroud and the hub and spaced apart from each other along a circumferential direction. The method according to claim 11,
Each of the plurality of blades,
A leading edge formed at the leading end of the rotation direction,
A trailing edge positioned at the rear end of the rotation direction and formed straight;
A shroud cord connecting one end of the leading edge and one end of the trailing edge and extending from an inner circumferential surface of the shroud;
A hub cord connecting the other end of the leading edge and the other end of the trailing edge and extending from an outer circumferential surface of the hub,
The trailing edge, one end is connected to the outermost edge end in the radial direction of the inner circumferential surface of the first inclined portion, the other end is disposed rearward in the rotational direction than one end of the trailing edge is a radius of the outer circumferential surface of the second inclined portion Direction to the outermost edge,
The leading edge has one end connected to the innermost rim end in a radial direction of the inner circumferential surface of the first inclined portion, and the other end of the leading edge is disposed in front of the leading edge in a rotational direction and the other end of the hub than the other end of the trailing edge. A fan assembly disposed close to the center portion and connected to a position axially spaced from an innermost edge end in a radial direction of the outer circumferential surface of the second inclined portion. The method according to claim 12,
The linear assembly in the axial direction of the second inclined portion is formed longer than the linear length in the axial direction of the shroud. The method according to claim 12,
The narrow angle between the straight line passing through the first inclined portion and the straight line extending in the axial direction,
And a fan assembly formed larger than the narrow angle between the straight line passing through the second inclined portion and the straight line extending in the axial direction. The method according to claim 12,
The length of the straight line connecting both ends of the shroud cord is shorter than the length of the straight line connecting both ends of the hub cord. The method according to claim 12,
The shroud cord and the hub cord are each bent fan assembly. The method according to claim 12,
The plurality of blades includes a first blade and a second blade located immediately behind the first blade in the rotational direction,
The narrow angle between the straight line passing through the center of the hub and one end of the trailing edge of the first blade and the straight line passing through the other end of the leading edge of the second blade is the center of the hub and the And a narrower angle between a straight line passing through one end of the trailing edge of the first blade and a straight line passing through one end of the leading edge of the second blade.

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