KR101869926B1 - Non-powered automatic rotating fan device - Google Patents

Abstract

One embodiment of the present invention relates to a non-powered automatic rotary fan apparatus and the objective of the present invention is to provide a non-powered automatic rotary fan apparatus, forming an angle adjustment unit capable of adjusting the angle of a blade in a portion coupling the blade and a shaft to easily and correctly adjust the angle of the blade in assembly between the blade and the shaft, and controlling the rotational speed of the blade to effectively diffuse an air flow fit to user′s needs. To this end, the non-powered automatic rotary fan apparatus comprises: a support part coupled to the upper part of a suction grille in an indoor unit of a ceiling cassette type air conditioner; a rotational part rotated while being coupled to the support part; a plurality of shafts radially coupled to the rotational part to be extended to outside; a blade part coupled to each shaft to receive a wind from the indoor unit of the ceiling cassette type air conditioner; and an angle adjustment part formed in the portion coupling the shaft and the blade part to adjust the coupling angle of the blade part with respect to the shaft.

Description

Technical Field [0001] The present invention relates to a non-powered automatic rotating fan device,

An embodiment of the present invention relates to a non-powered automatic rotating fan apparatus.

Almost all buildings, such as large buildings and homes, are equipped with air conditioners for indoor and outdoor heating and cooling, so that indoor air is controlled in a pleasant condition.

Such an air conditioner is an abbreviation of an air conditioner. The ceiling type, the stand type package type, the wall type type installed on the indoor wall, and the part of the air conditioner are embedded in the wall and the ceiling A separate type air conditioner consisting of an indoor unit having an evaporator and a blowing fan and an outdoor unit having a compressor, a condenser and an expansion valve, and an integral type air conditioner in which an outdoor unit is not separately formed. .

The ceiling-mounted cassette-type air conditioner indoor unit installed on the ceiling of the air conditioner is installed in the ceiling of the room. Generally, an indoor air suction grille is formed at the center of the bottom surface of the housing, air flow outlets are formed on the front, And the indoor air is sucked from the suction grill at the center of the suction grill and the heat exchanged air is discharged from the side 4 direction.

However, since such a ceiling cassette type air conditioner is installed on the ceiling, space utilization is good, and the cooling air for the cooling or heating is downwardly discharged in four directions obliquely downwardly so that the air conditioner can not spread far away, The range is limited, and the blind zone of the air conditioner leads to the cold wind. If it touches directly, it will cause discomfort, cause air-condition and cause harm to the health. It causes the lower temperature phenomenon during the cooling and the upper and lower temperature phenomenon during heating. In the case of a building with a ceiling height of 3.0 m or more, the heat loss is large and the difference in vertical temperature is large, so that the preheating preheating time is prolonged.

As a prior art for solving the above problems, Korea Patent Office Publication No. 10-2007-0072886 (Jul. 06, 2007) "Airflow diffusion device" is an airflow diffusion device attached to a ceiling embedded type air conditioner, The impeller rotates and rotates by the discharge wind of the discharge port of the fan, and the rotating blade member successively winds up and sinks back to diffuse the air blown out from the air conditioner blowing through the entire air conditioning space to solve a certain amount of room temperature variation. There is a problem in that it is difficult to manufacture and disassemble due to a large loss and a complicated structure, and there is a limit to increase the diffusing performance of the discharge airflow, and a decorative effect of changing the atmosphere of the indoor space by the ordinary wing configuration can not be obtained.

The above-described information disclosed in the background of the present invention is only for improving the understanding of the background of the present invention, and thus may include information not constituting the prior art.

The present invention also provides an angle adjusting unit for adjusting an angle of a blade at a coupling portion between a blade and a shaft, thereby easily and accurately adjusting the angle of the blade when assembling the blade and the shaft, And to provide an automatic rotating fan apparatus capable of effectively diffusing airflow in accordance with needs of a user by controlling a rotation speed.

Another object of the present invention is to provide a windscreen wiper device in which a curved reinforcing portion is further formed at a wind receiving portion of a wing portion to prevent a wing portion from being bent and a wing portion to be more influenced by wind The present invention provides a non-powered automatic rotating fan device.

It is another object of the present invention to provide an auxiliary cable between a shaft and a shaft to prevent the shaft from being broken or bent and to prevent the shaft from falling down even when the shaft is broken Power automatic fan apparatus.

Another object of the present invention is to provide a motorcycle which is packaged in a state in which a plurality of shafts are fastened to an upper portion of a rotating portion and a user bends the shafts in a direction substantially perpendicular to the side of the rotating portion And an object of the present invention is to provide a nonmotor automatic rotating fan device which can be miniaturized and can be easily circulated and assembled.

A non-powered automatic rotating fan apparatus according to an exemplary embodiment of the present invention includes a support portion coupled to an upper portion of a suction grille among ceiling cassette type air conditioner indoor units; A rotating part positioned under the suction grille among the ceiling cassette type air conditioner indoor units and rotated while being coupled to the supporting part; A plurality of outwardly extending shafts radially coupled to the rotating portion; A wing portion coupled to the plurality of shafts and receiving wind from the ceiling cassette type air conditioner indoor unit; And an angle adjusting portion formed at a coupling portion between the shaft and the wing portion to adjust a coupling angle of the wing portion with respect to the shaft, the wing portion having a base coupling piece for supporting the shaft while penetrating the wing portion, Wherein the base coupling piece includes sidewalls extending from both sides toward the angle adjusting portion and through holes respectively formed in the sidewalls on both sides thereof, and the angle adjusting portion includes an annular coupling piece through which the shaft is inserted inwardly, Wherein the annular coupling piece is coupled to the base coupling piece, and the annular coupling piece has an inner protrusion protruding inward on one side thereof from an outer side to an inner side of the through hole provided in one side wall of the base coupling piece And the annular coupling piece has an outer ring So that the base is coupled from the inner side to the outer side with the through hole provided in the other side wall of the base coupling piece.

Wherein a plurality of protrusions are formed in the longitudinal direction of the shaft inside the annular coupling piece and a plurality of grooves are formed in the shaft in the longitudinal direction of the shaft or the length of the shaft And a plurality of projections may be formed on the shaft in the longitudinal direction of the shaft.

A plurality of concavities and convexities are formed in the longitudinal direction of the shaft inside the annular coupling piece, and a plurality of concavities and convexities are formed in the shaft in the longitudinal direction of the shaft.

The wing portion may further include a plurality of reinforcing portions formed in a curved shape in a wind receiving portion.

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The wing portion may further include a bent portion bent upward in an end portion of the wind receiving portion.

And an auxiliary cable connecting the shaft and the other shaft adjacent to the shaft in a curved shape.

The rotation unit may further include a circular retaining ring provided on the inner side, and the shaft may further include a hook-shaped retainer coupled to the circular retaining ring, Lt; / RTI >

Further, in the non-powered automatic rotating fan apparatus according to the embodiment of the present invention, when the product is packaged, the plurality of shafts are rotated in a direction perpendicular to the circular fixing ring to gather the plurality of shafts into one region, Can be rotated from the circular retaining ring and radially arranged about the circular retaining ring.

In the embodiment of the present invention, the angular adjustment unit is provided to adjust the angle of the wing at the coupling portion between the wing portion and the shaft, so that the angle of the wing portion can be easily and accurately adjusted when the wing portion and the shaft are assembled, The present invention provides a non-powered automatic rotating fan device capable of effectively diffusing an air stream in accordance with needs of a non-powered fan.

In the embodiment of the present invention, a curve-shaped reinforcing portion is further formed in the wind receiving portion of the wing portion, thereby preventing the wing portion from being bent and allowing the wing portion to be more influenced by the wind due to the wind. Lt; / RTI >

The embodiment of the present invention provides a nonmotor automatic rotating fan apparatus that prevents the shaft from being broken or warped by forming an auxiliary cable between the shaft and the shaft and prevents the shaft from falling down even when the shaft is broken .

In the embodiment of the present invention, a plurality of shafts are packed in an upper part of the rotary part, and the user packages the respective shafts by bending them in a direction substantially perpendicular to the side of the rotary part, Provided is a nonmotor automatic rotating fan device which is easy to distribute and which facilitates product assembly.

1 is a photograph showing a state in which a non-powered automatic rotating fan unit according to an embodiment of the present invention is installed in a ceiling cassette type air conditioner indoor unit.
FIGS. 2A, 2B, and 2C are a front perspective view, a rear perspective view, and a side view, respectively, of the non-powered automatic rotating fan apparatus according to the embodiment of the present invention.
3A and 3B are a front view and a rear view of the non-powered automatic rotating fan apparatus according to the embodiment of the present invention.
FIGS. 4A, 4B, 4C, and 4D are perspective views illustrating an angle adjusting unit for adjusting a blade angle of the non-powered automatic rotating fan unit according to the embodiment of the present invention.
5A, 5B, and 5C are side and perspective views illustrating a packaging structure for product packaging among the non-powered automatic rotating fan apparatus according to the embodiment of the present invention.
FIG. 6 is a graph showing a cooling performance comparison between the conventional system air conditioner and the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more faithful and complete, and will fully convey the scope of the invention to those skilled in the art.

In the following drawings, thickness and size of each layer are exaggerated for convenience and clarity of description, and the same reference numerals denote the same elements in the drawings. As used herein, the term "and / or" may include any and all combinations of any of the listed items. In the present specification, the term " connected "means not only the case where the A member and the B member are directly connected but also the case where the C member is interposed between the A member and the B member and the A member and the B member are indirectly connected do.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise, " and / or "comprising," when used in this specification, are intended to indicate that such forms, numbers, steps, operations, elements, elements and / Quot; is intended to specify the presence of a group and does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

It is to be understood that the terms related to space such as "beneath," "below," "lower," "above, But may be utilized for an easy understanding of other elements or features. Terms related to such a space are for easy understanding of the present invention depending on various process states or use conditions of the present invention, and are not intended to limit the present invention. For example, if an element or feature of the drawing is inverted, the element or feature described as "lower" or "below" will be "upper" or "above." Thus, "below" is a concept covering "upper" or "lower ".

1 is a photograph showing a state in which a nonmotor automatic rotating fan apparatus 100 according to an embodiment of the present invention is installed in a ceiling cassette type air conditioner indoor unit 10. FIG.

1, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention is installed in the center of the suction grille 11 among the ceiling cassette type air conditioner indoor units 10, (In the figure, the discharge port 12 is shown in a state of being clogged with the cover) by the heat-exchanged wind (air)

Accordingly, the non-dynamic rotating fan apparatus 100 diffuses the discharge wind from the air conditioner indoor unit 10 throughout the air conditioning space so that the room temperature can be quickly lowered or elevated and the room temperature deviation can be quickly eliminated, So that the energy efficiency of the air conditioner or the air conditioner can be improved.

FIGS. 2A, 2B, and 2C are a front perspective view, a rear perspective view, and a side view of the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention. 3A and 3B are a front view and a rear view showing the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention.

2, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention includes a support portion 110, a rotation portion 120, a plurality of shafts (not shown) A wing 140 coupled to each of the shafts 130 and an angle adjuster 150 coupled between the shafts 130 and the wings 140.

Further, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention may further include an auxiliary cable 160 coupling the shafts 130 to each other.

The supporting part 110 is located on the upper part of the suction grill 11 of the ceiling cassette type air conditioner indoor unit 10 and can be coupled to the rotating part 120 located below the suction grill 11. The supporting portion 110 may be a substantially cross-shaped plate, but the present invention is not limited thereto. The two symmetrical plates may be long and the remaining two plates may be short. The support portion 110 and the rotation portion 120 can be coupled with each other by bolts and have a plurality of holes to which the bolts are fastened.

The rotary unit 120 is positioned below the suction grille 11 of the ceiling cassette type air conditioner indoor unit 10 and can be rotated in one direction while being coupled to the support unit 110. By way of example, and not by way of limitation, the rotating portion 120 may be rotated in one direction by being coupled to the supporting portion 110 through a rotating bearing.

The shaft 130 may have one end coupled to the lower end of the rotation part 120 and the other end extended to the outside of the rotation part 120 by a predetermined length. In addition, the plurality of shafts 130 may be arranged at approximately radial and equally spaced intervals about the rotation part 120.

Although the number of shafts 130 is shown in the figure as eight, the number of shafts 130 may be more or less. In addition, the shaft 130 may be in the form of a substantially circular rod, but is not limited to this shape, and may be in the form of a triangular, square, pentagonal, hexagonal, polygonal rod or flat plate.

In addition, the shaft 130 may be formed of, for example, plastic, aluminum alloy, SUS alloy, carbon alloy or the like, which is not limited, but is large in rigidity and light in weight.

The wing portion 140 may be formed, for example, without limitation, in the form of a row of stern rods, each of which may be coupled to a plurality of shafts 130, respectively. The wings 140 have a larger width and an area than the shaft 130, so that the wings 140 receive wind from the discharge port 12 of the ceiling cassette type air conditioner indoor unit 10 and are easily rotated in a predetermined direction.

Particularly, the wing portion 140 further includes a plurality of reinforcing portions 141 formed in a curved shape in the wind receiving portion, so that the wing portion 140 is prevented from being bent in a predetermined direction by the wind force. The reinforcing portion 141 may be formed as leaf vein, fish bone, and herringbone of leaves so as to be approximately symmetrical about the shaft 130 as shown in the drawing. It is needless to say that the shape of the reinforcing portion 141 is not limited to the example shown in the drawings, but may be formed in various shapes. For example, the plurality of reinforcement portions 141 may be formed in a substantially vertical direction with respect to the longitudinal direction of the shaft 130 (for example, the reinforcement portion 141 may be formed to be approximately 60 to 120 degrees with respect to the longitudinal direction of the shaft 130) May be arranged at the surface of the wing portion 140. The wing portion 140 may be provided at a predetermined angle. Further, the reinforcing portion 141 is arranged in a substantially vertical direction with respect to the wind direction when the wing portion 140 rotates, so that the rotation efficiency of the wing portion 140 can be further improved. Of course, in order to improve the rotation efficiency of the wing portion 140, the reinforcing portion 141 may be formed to protrude from the wing portion 140 at a predetermined height or thickness, thereby further increasing the frictional force with the wind.

In addition, the wing portion 140 may further include a bent portion 142 that is bent in an approximately upward direction at an end portion of the wind-receiving portion. That is, the bent portion 142 is bent at a predetermined angle in a substantially upward direction at the outer end of the wing portion 140, so that the bent portion 142 is approximately horizontally and downwardly discharged from the discharge port 12 of the air conditioner indoor unit 10, It can be erected in the vertical direction. The bending portion 142 may be bent in a direction perpendicular to the longitudinal direction of the wing portion 140 (for example, the bending portion 142 may be approximately 10 to 80 degrees with respect to the longitudinal direction of the wing portion 140) The wing portion 140 and the bending portion 142 can be rotated more easily by the wind.

In addition, the wing portion 140 may be formed of, for example, plastic, aluminum alloy, SUS alloy, carbon alloy, or the like, which is not limited but is large in rigidity and light in weight.

As described above, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention further includes the curved reinforcing portion 141 at the wind receiving portion of the wing portion 140, So that the wing can be more influenced by the wind. Further, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention further includes a bent portion 142 that is inclined at an end portion of the wing portion 140 so that the frictional force with the wind is further increased, And further improved.

The angle adjusting part 150 may be formed at a coupling part between the shaft 130 and the wing part 140 to adjust the angle of engagement of the wing part 140 with respect to the shaft 130. [ Of course, it is a matter of course that the shaft 130 and the wing portion 140 are rigidly mutually fixed / combined by the angle adjusting portion 150. [ The angle adjusting portion 150 is formed on the wing portion 140 so that the shaft 130 and the wing portion 140 are stably fixed to each other .

For example, and not by way of limitation, the wing portion 140 may be installed at an angle of approximately 1 to 45 relative to a plane connecting the shaft 130 by the angle adjusting portion 150. [

Meanwhile, the auxiliary cable 160 can connect a shaft 130 and another shaft 130 adjacent to each other in a curved shape. For example, although not limiting, the auxiliary cable 160 may be fixed at one end to a region near one end of one shaft 130 and the other end may be fixed at a substantially central region of another adjacent shaft 130. The other end of the auxiliary cable 160 is fixed to the other end of the shaft 120 between the rotation part 120 of the adjacent shaft 120 and the wing part 140 Can be fixed. It is needless to say that the area where the auxiliary cable 160 is fixed is not limited to the drawings but can be fixed to various areas of the shaft 130. [

In this way, the auxiliary cable 160 prevents a shaft 130 from being broken or bent, and prevents the shaft 130 from falling down even when the shaft 130 is broken. In addition, the auxiliary cable 160 may be formed of, for example, plastic, aluminum alloy, SUS alloy, carbon alloy, or the like, which is not limited, but is large in rigidity and light in weight.

In this manner, the auxiliary power cable 160 is further provided between the shaft 130 and the shaft 130, so that the shaft 130 is broken or bent And even when the shaft 130 is broken, it does not fall down.

4A, 4B, 4C, and 4D are perspective views illustrating an angle adjusting unit 150 for adjusting the angle of a blade of the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention.

The angle adjusting unit 150 serves to fix the wing unit 140 to the shaft 130 and to adjust the angle of the wing unit 140 with respect to the shaft 130 when assembling the product .

The angle adjuster 150 includes a base engaging piece 151 coupled to the opening 143 spaced apart from the wing 140 by a predetermined distance and an annular engaging piece 151 coupled to the base engaging piece 151 155). Here, the base coupling piece 141 and the annular coupling piece 155 may be formed of a soft plastic material, but the present invention is not limited thereto.

The base coupling piece 151 allows a substantially lower region of the shaft 130 to be seated, and the base coupling piece 151 may have a substantially semi-cylindrical shape with front and rear openings. The base coupling piece 151 further includes side walls 152 extending to both sides with a predetermined length and square or circular through holes 153 may be formed in the side walls 152. The through hole 153 is engaged with the annular coupling piece 155 to surround the shaft 130.

The annular engaging piece 155 surrounds a substantially upper region of the shaft 130 and may have a substantially semicylindrical shape with front and rear openings. The annular engaging piece 155 has an inner protrusion 156 protruding inward at one side lower end thereof and is coupled inward from the outside of the one through hole 153 of the base engaging piece 151, The piece 155 may have an outer protrusion 157 protruded outward at the lower end of the other side and may be coupled outwardly from the inside of the other through hole 153 of the base coupling piece 151. The base coupling piece 151 and the annular coupling piece 155 wrap the shaft 130 at the lower portion and the upper portion so that the wing portion 140 is fixed to the shaft 130. [

Particularly, since the annular coupling piece 155 can be formed of elastic or flexible plastic or the like, after the annular coupling piece 155 is coupled to the base coupling piece 151 in a pressurized state, Type engaging piece 155 is kept slightly expanded so that the annular engaging piece 155 is not easily separated from the base engaging piece 151. The wing portion 140 is firmly fixed to the shaft 130 by the angle adjusting portion 150 including the base coupling piece 151 and the annular coupling piece 155.

The angle adjusting unit 150 further includes a plurality of protrusions 158 formed inside the annular coupling piece 155 in the longitudinal direction of the shaft 130 and the length of the shaft 130 Direction, and the annular coupling piece 155 and the shaft 130 can be coupled to each other.

One protrusion 158 is formed on the inner side of the annular coupling piece 155 and a plurality of grooves 131 are formed in the shaft 130 so that the engagement of the wings 140 with respect to the shaft 130 The angle can be adjusted. A plurality of protrusions 158 are formed on the inner side of the annular coupling piece 155 and one groove 131 is formed in the shaft 130 so that the engagement of the wings 140 with respect to the shaft 130 You can also adjust the angle.

The angle adjusting unit 150 may further include a plurality of grooves formed in the longitudinal direction of the shaft 130 inside the annular coupling piece 155 and may include a plurality of grooves formed in the shaft 130 in the longitudinal direction of the shaft 130. [ It is possible to further include a plurality of protrusions so that the annular coupling piece 155 and the shaft 130 are coupled to each other.

One groove is formed on the inner side of the annular coupling piece 155 and a plurality of projections are formed on the shaft 130 so that the angle of engagement of the wings 140 with respect to the shaft 130 can be adjusted. Conversely, a plurality of grooves are formed inside the annular coupling piece 155, and one protrusion is formed on the shaft 130, so that the angle of engagement of the wing portion 140 with respect to the shaft 130 can be adjusted.

The angle adjusting unit 150 includes a plurality of concavities and convexities formed in the longitudinal direction of the shaft 130 on the inner side of the annular coupling piece 155 and a plurality of concavities and convexities formed on the shaft 130 in the longitudinal direction of the shaft 130. [ As shown in FIG. In this manner, the coupling angle of the wing portion 140 with respect to the shaft 130 can be adjusted by combining the concave and convex portions of the annular coupling piece 155 and the concave and convex portions of the shaft 130 at appropriate positions.

As described above, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention further includes an angle adjusting unit 150 for adjusting a blade angle at a coupling portion between the blade unit 140 and the shaft 130 The angle of the blades 140 can be adjusted easily and accurately and the rotation speed of the blades 140 can be controlled when assembling the blades 140 and the shaft 130 so that the airflow can be effectively diffused according to the user's needs.

FIGS. 5A, 5B, and 5C are side and perspective views showing a packaging structure for product packaging among the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention.

5A, 5B and 5C, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention may further include a circular fixing ring 121 having a rotation part 120 installed inside thereof . Further, the shaft 130 may further include a hook-shaped fixing portion 132 coupled to the circular fixing ring 121 at an end thereof. In addition, the hook-shaped fixing portion 132 of the shaft 130 can be coupled to the circular fixing ring 121 in a forced fit manner.

With this configuration, when the product is packed, the plurality of shafts 130 may be rotated in a direction substantially perpendicular to the circular holding ring 121 so that the plurality of shafts 130 are gathered in one area. That is, when the product is packaged, the plurality of shafts 130 can be gathered into one region similar to the shape when the umbrella is folded.

Meanwhile, when installing the product, the shaft 130 may be rotated from the circular fixing ring 121 to be radially arranged around the circular fixing ring 121. That is, when the product is installed, the plurality of shafts 130 are expanded in a manner similar to the shape when the umbrella is expanded. Of course, at this time, the hook-shaped fixing part 132 formed at one end of the shaft 130 can rotate around the circular fixing ring 121 by a predetermined angle.

As described above, in the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention, a plurality of shafts 130 are fastened to the upper part of the rotation unit 120 and are packed together, Can be folded in a direction substantially perpendicular to the side of the rotary part 120 and fixedly inserted into the rotary part 120 so that the product package can be downsized and the circulation can be facilitated and the product can be easily assembled.

FIG. 6 is a graph showing a cooling performance comparison between the conventional system air conditioner and the present invention.

As shown in FIG. 6, in the case of a general system air conditioner, the room temperature was measured at about 22 ° when about 150 minutes passed after the turn-on. However, when the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention is additionally operated after the general system air conditioner is turned on under the same condition, it is seen that the room temperature is measured at about 20 ° at about 150 minutes . Furthermore, even after 240 minutes have elapsed, it can be seen that the room temperature difference 2 ° between the general system air conditioner and the non-powered automatic rotating fan apparatus 100 of the present invention is not narrowed.

Accordingly, the non-powered automatic rotating fan apparatus 100 according to the embodiment of the present invention is attached to a ceiling embedded type air conditioner to rapidly and uniformly spread the discharge air blown out from the air conditioner in the indoor air- (Or elevated) the temperature of the indoor space, and further, by eliminating the temperature deviation, it is possible to reduce the energy loss of the air conditioner and change the atmosphere of the indoor space.

As described above, the present invention is not limited to the above-described embodiment, but may be applied to a non-powered automatic rotating fan apparatus according to the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10; Ceiling cassette type air conditioner indoor unit
11; Suction grill 12; Outlet
100; A non-powered rotating fan unit 110; Support
120; A rotating portion 121; Circular retaining ring
130; Shaft 131; Groove and /
132; Hook type fixing part 140; Wing portion
141; Reinforcing portion 142; Bent portion
143; Opening 150; Angle adjusting portion
151; A base engaging piece 152; Side wall
153; Through hole 155; Ring-
156; Inner protrusion 157; Outer projection
158; Protrusions and / or grooves 160; Auxiliary cable

Claims (10)

A supporting part coupled to an upper portion of the suction grille among the ceiling cassette type air conditioner indoor units;
A rotating part positioned under the suction grille among the ceiling cassette type air conditioner indoor units and rotated while being coupled to the supporting part;
A plurality of outwardly extending shafts radially coupled to the rotating portion;
A wing portion coupled to the plurality of shafts and receiving wind from the ceiling cassette type air conditioner indoor unit; And
And an angle adjuster formed at a coupling portion between the shaft and the wing portion to adjust a coupling angle of the wing portion with respect to the shaft,
Wherein the wing portion includes a base coupling piece for supporting the shaft while being penetrated to the wing portion, wherein the base coupling piece has a side wall extending from both sides toward the angle adjusting portion, and a through hole formed on each of the side walls at both sides, Including,
Wherein the angle adjusting portion includes an annular coupling piece through which the shaft is inserted inwardly, the annular coupling piece being coupled to the base coupling piece,
The annular coupling piece has an inner protrusion protruded inward on one side thereof and an inner protrusion protruded outward on the other side of the annular coupling piece so as to be coupled from the outside to the through hole provided in one side wall of the base coupling piece, Is coupled to the through hole provided in the other side wall of the base coupling piece from the inside to the outside. The method according to claim 1,
A plurality of projections are formed in the longitudinal direction of the shaft on the inner side of the annular coupling piece and a plurality of grooves are formed in the shaft in the longitudinal direction of the shaft,
Wherein a plurality of grooves are formed in the longitudinal direction of the shaft inside the annular coupling piece, and a plurality of projections are formed on the shaft in the longitudinal direction of the shaft. The method according to claim 1,
Wherein a plurality of protrusions and recesses are formed in the longitudinal direction of the shaft inside the annular coupling piece, and a plurality of protrusions and protrusions are formed on the shaft in the longitudinal direction of the shaft. delete delete The method according to claim 1,
Wherein the blade further comprises a plurality of reinforcing portions formed in a curved shape in a wind receiving portion. The method according to claim 1,
Wherein the wing portion further includes a bent portion bent upward in an end portion of the wind receiving portion. The method according to claim 1,
Further comprising an auxiliary cable connecting the shaft and other shafts in a curved shape. The method according to claim 1,
The rotating part further includes a circular retaining ring provided on the inner side,
Wherein the shaft further comprises a hook-shaped securing portion coupled to the circular retaining ring,
Wherein the fixing portion of the shaft is coupled to the circular retaining ring in an interference fit manner. 10. The method of claim 9,
When the product is packaged, the plurality of shafts are rotated in a direction perpendicular to the circular fixing ring, the plurality of shafts are gathered in one area,
Wherein the shaft is rotated from the circular retaining ring and radially arranged about the circular retaining ring when the product is installed.

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