KR101823503B1 - Axial Flow Type Blower for Air Cleaner and Blowing apparatus at Air Cleaner using the same - Google Patents

Axial Flow Type Blower for Air Cleaner and Blowing apparatus at Air Cleaner using the same Download PDF

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Publication number
KR101823503B1
KR101823503B1 KR1020150151690A KR20150151690A KR101823503B1 KR 101823503 B1 KR101823503 B1 KR 101823503B1 KR 1020150151690 A KR1020150151690 A KR 1020150151690A KR 20150151690 A KR20150151690 A KR 20150151690A KR 101823503 B1 KR101823503 B1 KR 101823503B1
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KR
South Korea
Prior art keywords
frame
air
blades
opening
fan
Prior art date
Application number
KR1020150151690A
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Korean (ko)
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KR20170050309A (en
Inventor
임형석
김경섭
Original Assignee
주식회사 교원
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Priority to KR1020150151690A priority Critical patent/KR101823503B1/en
Publication of KR20170050309A publication Critical patent/KR20170050309A/en
Application granted granted Critical
Publication of KR101823503B1 publication Critical patent/KR101823503B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps

Abstract

The axial blowing fan of the air purifier according to the present invention includes a boss portion connected to a drive shaft and rotated along an outer circumference of the boss portion and a plurality of air blowing means for blowing air forward from the rear side in accordance with rotation of the boss portion, A first frame connected to the outside of the first blades, a first frame connected to surround the outside of the plurality of first blades, a second frame extending along the outer circumference of the first frame and extending rearward of the first frame, A plurality of second blades for discharging air into the first frame, and an opening through which air is introduced into the first frame, the second blades being spaced apart from the first frame to connect the rear ends of the plurality of second blades, And a second frame for laterally dispersing the second frame.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaner and an air cleaner,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an axial flow fan of an air cleaner, and more particularly, to an axial flow fan of an air purifier capable of realizing discharge directions in more than two directions using only one fan.

BACKGROUND ART [0002] In general, air purifiers for sucking in air and collecting, purifying and discharging contaminants in the air are widely used in various households or various industrial fields. The air purifier may be classified into various types according to an air purification method.

Particularly, recently, air purifiers capable of discharging purified air in various angles according to the development of technology are being developed.

However, in many cases, a plurality of air blowing fans are used in order to realize the air discharging direction of various angles. In such a conventional air purifier, since the number of the driving motors must be increased by the number of the blowing fans, not only the volume of the air purifier itself is increased but also the weight of the air purifier itself is increased and the cost of the product is increased.

In addition, in the conventional blowing fan, the direction in which the sucked air is discharged is often formed in the radial direction of the rotary shaft, so that when applied to a product of the axial flow type, there is a problem that the fan efficiency is greatly reduced and noise is increased.

Therefore, a method for solving such problems is required.

Disclosure of Invention Technical Problem [8] The present invention has been made to solve the above-mentioned problems of the prior art, and has as its object to diversify the discharge direction of air with one blower fan.

And has the purpose of increasing the fan efficiency and making it possible to miniaturize the product.

And further, to reduce the occurrence of noise and increase the airflow of the turbo fan.

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

According to an aspect of the present invention, there is provided an axial blowing fan of an air cleaner including a boss portion connected to a drive shaft and rotated around an outer periphery of the boss portion, A first frame connected to the first blade and surrounding the first blades so as to surround the first blades; a second frame extending along the outer circumference of the first frame and extending rearward of the first frame, A plurality of second blades for discharging inflowing air in a lateral direction and an opening for introducing air into the inside are formed and connected to the rear ends of the plurality of second blades in a state of being separated from the first frame, And a second frame for laterally dispersing the air in the region adjacent to the opening.

In addition, the second frame may be formed to be inclined forward from the rear, and may be formed such that the outer periphery thereof gradually expands.

The front end of the second frame may be located behind the rear end of the first frame.

The opening may be formed to have a diameter equal to or larger than the outer diameter of the first frame.

According to another aspect of the present invention, there is provided an air blowing apparatus for an air purifier including: a boss unit connected to a drive shaft to rotate; a boss unit provided along an outer circumference of the boss unit, A first frame connected to the first blades so as to surround the outside of the plurality of first blades and a second frame extending along the outer circumference of the first frame and extending toward the rear of the first frame, A plurality of second blades for discharging the introduced air in the lateral direction and an opening portion for introducing air into the inside are formed and connected to the rear end portions of the plurality of second blades in a state of being separated from the first frame And a second frame for distributing the air in the area adjacent to the opening in the lateral direction, An external housing having an air inlet formed at a position corresponding to the opening and having a discharge port formed in at least one of positions corresponding to the air discharge direction of the blower fan and a driving unit for transmitting a driving force to the boss unit.

And an air inlet formed at a position corresponding to the opening, the air outlet being formed in the air outlet direction of the air outlet fan, And an inner housing having an outlet formed in at least one of the inner and outer housing.

The driving unit may be disposed between a front surface of the inner housing and a front surface of the outer housing.

In order to solve the above-described problems, the axial flow fan of the air cleaner of the present invention has the following effects.

First, it is possible to diversify the discharge direction of air with one blower fan, thereby reducing the volume and weight of the air cleaner.

Second, there is an advantage in that the unit price of the product can be greatly reduced.

Third, there is an advantage that the amount of airflow is increased by the inner first blade formed in the axial flow shape as compared with the conventional product.

Fourth, since the air flows toward the central axis side by the rotation of the first blade at the time of operation, there is an advantage that the durability can be improved and the service life can be extended according to the cooling of the driving part.

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

1 is a perspective view showing a front surface of an axial flow fan of an air cleaner according to an embodiment of the present invention;
FIG. 2 is a perspective view illustrating a rear surface of an axial flow fan of an air cleaner according to an embodiment of the present invention; FIG.
3 is a cross-sectional view illustrating the inside of an axial flow fan of an air cleaner according to an embodiment of the present invention;
FIG. 4 is a perspective view of a general type air blowing apparatus to which an axial flow blowing fan of an air purifier according to an embodiment of the present invention is applied; FIG.
FIG. 5 is a cross-sectional view showing a state in which air flows in a general-purpose fan apparatus to which an axial flow fan of an air cleaner according to an embodiment of the present invention is applied; FIG.
6 is a perspective view illustrating a tower type air blowing apparatus to which an axial flow type blowing fan of an air purifier according to an embodiment of the present invention is applied; And
FIG. 7 is a cross-sectional view illustrating a state in which air flows in a tower type air blower to which an axial flow type air blowing fan of an air purifier according to an embodiment of the present invention is applied.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

FIG. 1 is a perspective view showing a front surface of an axial flow type blowing fan 100 of an air purifier according to an embodiment of the present invention. FIG. 2 is a perspective view of an axial flow type blowing fan 100 of an air purifier according to an embodiment of the present invention. FIG. 3 is a cross-sectional view illustrating the inside of an axial flow fan 100 of an air cleaner according to an embodiment of the present invention.

1 and 2, an axial blowing fan 100 of an air purifier according to an embodiment of the present invention includes a boss unit 150, a first blade 140, a first frame 120 A second blade 130, and a second frame 110. As shown in FIG.

In the following description, the direction side shown in Fig. 1 is defined as a front side, and the side shown in Fig. 2 is defined as a rear side. Of course, this is for convenience of description and does not limit the scope of the present invention.

The boss unit 150 is a component that is connected to a drive shaft extended from a separate drive unit, that is, a drive motor or the like, and rotates other components to be described below together.

In this embodiment, the boss unit 150 is formed with an insertion hole 152 into which a driving shaft of the driving unit is inserted, and has a circular cross-section.

A plurality of the first blades 140 are provided along the outer circumference of the boss unit 150. Particularly, in the present embodiment, the first blades 140 are arranged obliquely on the outer circumferential surface of the boss unit 150, and the air is introduced from the rear side as the boss unit 150 rotates, .

The first frame 120 is connected to the first blades 140 so as to surround the plurality of first blades 140. That is, the first frame 120 has a circular shape as a whole connecting the ends of the first blades 140, and is connected to the first blade 140, so that the first frame 120 rotates together with the rotation of the boss unit 150 .

The second blade 130 is disposed along the outer circumference of the first frame 120, and a plurality of the second blades 130 are provided as in the first blade 140.

In this embodiment, the second blade 130 extends from the connection point with the first frame 120 to the rear of the first frame 120, and indirectly by the above- And is rotated together with the rotation of the boss unit 150.

Particularly, since the second blade 130 extends rearward from the first frame 120, an air flow path is formed between the adjacent second blades 130. Accordingly, the second blade 130 can discharge the air introduced during the rotation of the boss unit 150 in the lateral direction.

In this embodiment, the second blade 130 is curved in a direction opposite to the rotation direction of the boss unit 150, so that air can be smoothly discharged.

The second frame 110 is formed to connect between the rear ends of the plurality of second blades 130. Therefore, the first frame 120 is separated from the first frame 120 and connected to the second blade 130, so that the second frame 130 can be rotated together with the rotation of the boss unit 150.

Particularly, the second frame 110 is provided with an opening 112 through which the air flows into the inside of the second frame 110 so that air can be introduced through the opening 112 by opening the rear of the first blade 120.

3, the second frame 110 is formed to be inclined forward from the rear, and has an outer periphery gradually expanded. Accordingly, the air in the vicinity of the opening 112 flows along the inclined surface of the second frame 110 and can be dispersed laterally.

Also, in the present embodiment, the front end of the second frame 110 is positioned behind the rear end of the first frame 120. This is to ensure a sufficient distance from the first frame 120 to smooth the airflow in the lateral direction by the second blade 130.

The opening 112 is formed to have a diameter equal to or larger than the outer diameter of the first frame 120. This is because the total area of the opening 112 is not smaller than the rotational area of the first blade 140 so that the air introduced by the first blade 140 can be sufficiently passed through the opening 112 to be.

3, the axial fan 100 of the air purifier according to the present invention is installed in the forward direction T 1 by the first blade 140, the second blade 130 by the first blade 140, (T 2 ) by the second frame 110, and a lateral direction (T 3 ) by the second frame 110.

Accordingly, the present invention can diversify the direction of air discharge by using only one product, thereby reducing the volume and weight of the air cleaner, and also, by the inner first blade 140 formed in the axial flow, And the air flow rate is increased compared with the conventional air flow rate.

Hereinafter, the blowing apparatus to which the above-described axial flow blowing fan 100 is applied will be described.

FIG. 4 is a perspective view showing a general type air blowing apparatus to which an axial flow type blowing fan 100 of an air purifier according to an embodiment of the present invention is applied. FIG. 5 is a cross- Sectional view showing a state in which air flows in a general type fan apparatus to which the fan 100 is applied.

The blower shown in Figs. 4 and 5 is a general type blower, and is applied to an air purifier in which the main air discharge direction is forward. Since the structure of the axial flow blowing fan 100 applied to the interior of the present blowing apparatus has already been described, a description of the axial flow blowing fan 100 will be omitted.

The illustrated general type air blowing apparatus includes an axial flow blowing fan 100, an outer housing 200, an inner housing 210, and a driving unit 50.

First, a receiving space is formed in the outer housing 200. An air inlet 206 is formed in the outer housing 200 at a position corresponding to the opening 112 formed in the rear of the air blowing fan 100 And discharge ports 202 and 204 are formed in at least one of positions corresponding to the discharge direction.

In the case of the present embodiment, the outer housing 200 of the general type blower includes a front discharge port 204 and a side discharge portion 202, thereby diversifying the air flow path in the forward and lateral directions.

The inner housing 210 is provided inside the outer housing 200 to surround the blowing fan 100. Like the outer housing 200, the inner housing 210 is formed with an air inlet 212 at a position corresponding to the opening 112 of the blowing fan 100, And a discharge port 214 is formed in at least one of the positions corresponding to the discharge direction.

In this embodiment, the inner housing 210 of the general-purpose blower is formed with a front discharge port 214, and the upper part is formed in a fully opened form.

The front surface of the inner housing 210 is spaced apart from the front surface of the outer housing 200. 1 to 3) of the blowing fan 100. The boss unit 150 includes a driving unit 50 for driving the driving unit 50,

That is, the driving unit 50 is provided between the front surface of the inner housing 210 and the front surface of the outer housing 200, and the rotation axis is connected to the boss unit 150.

Next, the tower type blower will be described.

FIG. 6 is a perspective view illustrating a tower type air blowing apparatus to which an axial flow type air blowing fan 100 of an air purifier according to an embodiment of the present invention is applied. FIG. 7 is a cross- Sectional view showing a state in which air flows in a tower type air blower to which the fan 100 is applied.

6 and 7 is a tower type air blowing apparatus, which is applied to an air cleaner having a top main air discharge direction.

The illustrated tower type blower includes an axial flow type blowing fan 100, an outer housing 300, an inner housing 310 and a driving unit 50. The air inlet 306 and the discharge holes 304 and 314 The same points as those of the above-described general type blower are formed, and the functions of the respective components are all formed identically. Therefore, details of each component are omitted.

However, the tower type blower differs from the general type blower in that the blowing fan 100 is rotated at a right angle and the air discharge direction is formed upward.

Also, the outer housing 300 and the inner housing 310 of the tower type fan unit are formed with only one upper discharge port 304, 314, so that the air discharge by the blowing fan 100 is concentrated on the upper part.

Particularly, in this embodiment, since the air is discharged laterally by the second frame 110 and the second blade 130 of the blowing fan 100, the discharged air hits the inside of the second housing 310, . As a result, the air discharge area is wider than a general air purifier, so that the effect can be enhanced.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

50: driving part 100: axial flow blowing fan
110: second frame 112: opening
120: first frame 130: second blade
140: first blade 150: boss portion
152: insertion hole 200, 300: outer housing
210, 310: inner housing

Claims (7)

A boss portion connected to the drive shaft and rotated;
A plurality of first blades provided along an outer circumference of the boss unit and configured to introduce air from the rear side in accordance with rotation of the boss unit to forwardly discharge the air;
A first frame connected to surround the plurality of first blades;
A plurality of second blades disposed along an outer periphery of the first frame and extending rearward of the first frame to discharge inflow air laterally; And
And a plurality of second blade rear end portions spaced apart from the first frame, the second frame having a second frame for distributing air in a region adjacent to the opening in the lateral direction, / RTI >
And the front end of the second frame is located behind the rear end of the first frame. The method according to claim 1,
Wherein the second frame comprises:
And an outer circumference of the fan is formed so as to be gradually extended from the rear to the front. delete The method according to claim 1,
The opening
Wherein the first frame has a diameter larger than an outer diameter of the first frame. A plurality of first blades provided along an outer circumference of the boss portion and connected to the drive shaft for rotation and connected to the boss portion and configured to allow air to flow in from the rear side in accordance with rotation of the boss portion to forwardly discharge the blades, A plurality of second blades extending along the outer periphery of the first frame and extending rearwardly of the first frame to discharge the introduced air in a lateral direction, And a second frame for distributing the air in a region adjacent to the opening in the lateral direction is formed in a shape that connects the rear ends of the plurality of second blades in a state of being separated from the first frame, And a front end of the second frame is positioned behind the rear end of the first frame;
An outer housing having an air inlet formed at a position corresponding to the opening and having a discharge port formed in at least one of positions corresponding to an air discharging direction of the air blowing fan; And
And a driving unit for transmitting a driving force to the boss unit,
Wherein the second frame comprises:
The air blowing device of claim 1, wherein the air purifier has an inclined front side from the rear side and an outer side edge is gradually expanded. 6. The method of claim 5,
The air conditioner according to claim 1 or 2, wherein the blower fan is disposed inside the outer housing in such a manner as to surround the blower fan, the front surface is spaced apart from the front surface of the outer housing, an air inlet is formed at a position corresponding to the opening, Wherein the air cleaner further comprises an inner housing having a discharge port formed in at least one of the plurality of positions. The method according to claim 6,
Wherein the driving unit is disposed between a front surface of the inner housing and a front surface of the outer housing.
KR1020150151690A 2015-10-30 2015-10-30 Axial Flow Type Blower for Air Cleaner and Blowing apparatus at Air Cleaner using the same KR101823503B1 (en)

Priority Applications (1)

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KR1020150151690A KR101823503B1 (en) 2015-10-30 2015-10-30 Axial Flow Type Blower for Air Cleaner and Blowing apparatus at Air Cleaner using the same

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Application Number Priority Date Filing Date Title
KR1020150151690A KR101823503B1 (en) 2015-10-30 2015-10-30 Axial Flow Type Blower for Air Cleaner and Blowing apparatus at Air Cleaner using the same

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KR20170050309A KR20170050309A (en) 2017-05-11
KR101823503B1 true KR101823503B1 (en) 2018-01-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200117784A (en) 2019-04-05 2020-10-14 김민재 The system of air drum blower
KR20220013745A (en) 2020-07-27 2022-02-04 주식회사 에쿨텍 Negative static pressure type double drum blower for air conditioning

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109945306B (en) * 2019-04-12 2024-01-30 四川长虹空调有限公司 Air conditioner air-out structure and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200117784A (en) 2019-04-05 2020-10-14 김민재 The system of air drum blower
KR20220013745A (en) 2020-07-27 2022-02-04 주식회사 에쿨텍 Negative static pressure type double drum blower for air conditioning

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KR20170050309A (en) 2017-05-11

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