WO2022045695A1

WO2022045695A1 - Fanless exhaust device

Info

Publication number: WO2022045695A1
Application number: PCT/KR2021/011180
Authority: WO
Inventors: 설철환
Original assignee: 설철환
Priority date: 2020-08-25
Filing date: 2021-08-23
Publication date: 2022-03-03
Also published as: KR102468323B1; CN115917162A; US20240035682A1; KR20220026372A

Abstract

A fanless exhaust device according to the present invention disclosed herein comprises: a main body part which has a first suction port formed on one side, an overall exhaust port formed on the other side, and second suction ports formed on facing surfaces between the first suction port and the overall exhaust port; a first fan installed in the first suction port and driven by a driving force so as to suction air through the first suction port; second fans embedded and installed in the second suction ports and driven by a driving force so as to exhaust the suctioned air through the second suction ports; and an airflow path interference-preventing part which is provided inside the main body part so as to prevent interference between the airflow path of the first fan and the airflow paths of the second fans. According to the present invention, an air pressure difference is generated due to the Bernoulli effect when the first and second fans operate, whereby nearby air above and below, to the left and right, and behind is suctioned, and thus, the present invention has excellent suction efficiency. Since interference between the airflow path of the first fan installed in the first suction port and the airflow paths of the embedded and installed second fans is prevented by the path interference-preventing part provided inside the main body part, air can be exhausted by the second fans, embedded and installed on the second suction ports-side, without hindrance even when the capacity of the first fan is large. Also, the present invention has the effect that a wide range of exhausting is enabled by also suctioning nearby air through the second suction ports.

Description

Fanless exhaust system

The present invention relates to a fanless exhaust device, and more particularly, to a device used for indoor ventilation of factories, large buildings, subways, etc. to exhaust pollutants therein.

In general, an exhaust device is a device that exhausts indoor polluted air to the outside through rotation of a fan, and is widely used in general homes, offices, factories, and other industrial facilities.

These exhaust devices are manufactured and used in a wide variety of shapes and structures so that they can be installed with different performance and device characteristics, such as specifications and shapes, used according to the place or purpose of installation.

Looking at the configuration and structure of the exhaust device, the fan is installed while providing a fan composed of a plurality of blades for generating wind, a motor that rotates the fan with power supplied from the outside, and a frame for fixing and supporting the fan and the motor. It is generally composed of a housing in which an exhaust port is formed so that air can be discharged during rotation.

A technology related to such an exhaust device has been proposed in Korean Patent Application Laid-Open No. 1997-0062353.

However, as in Patent Document 1, when the ventilation fan is provided in the front and rear respectively, it does not matter if the rear ventilation fan rotates at a low speed and the front ventilation fan rotates at a high speed. When the fan rotates at a low speed, the wind of the rear ventilation fan interferes with ventilating the wind generated by the front ventilation fan, and the rear ventilation fan cannot absorb the wind, so there is a problem in that the efficiency of the rear ventilation fan is limited.

(Patent Document 1) Korean Patent Application Laid-Open No. 1997-0062353 (1997.09.12)

The present invention has been devised in view of the above points, and the solution of the present invention is to improve the suction efficiency by using Bernoulli's principle inside the main body when the first and second fans are operated, while the first suction port An object of the present invention is to provide a fan exhaust device capable of evacuating without being disturbed by the second fan embedded in the second inlet side even if the capacity of the first fan installed on the side is large.

Fanless exhaust device according to the present invention for achieving the above object, a first intake port is formed on one side and the entire exhaust port is formed on the other side, the second intake port is formed on the opposite surface between the first intake port and the entire exhaust port body part; a first fan installed in the first inlet and driven by a driving force to suck air through the first inlet; a second fan embedded in the second inlet and driven by a driving force to exhaust the air sucked through the second inlet; and a wind path interference prevention unit provided inside the main body to prevent the wind path of the first fan and the wind path of the second fan from interfering with each other.

The wind path interference prevention unit may change the direction of the wind introduced from the second suction port by the partition wall spaced apart from the inner wall surface of the main body.

The wind path interference prevention unit may be provided in a straight or oblique direction.

The capacity of the first fan may be characterized in that greater than the capacity of the second fan.

According to the present invention, when the first and second fans are operated, the air pressure difference occurs due to Bernoulli's principle and the air is sucked in the surrounding air for up, down, left, right and rear, so the suction efficiency is excellent, and the path interference provided inside the body part The prevention part prevents the wind path of the first fan installed in the first inlet from interfering with the wind path of the second fan installed in the buried, so that even if the capacity of the first fan is large, it is not disturbed by the second fan embedded in the second inlet. Exhaust is possible, and there is an effect that a wide range of exhaust is possible by inhaling the surrounding air through the second inlet.

1 is a schematic diagram showing a fanless exhaust device according to a first embodiment of the present invention.

Figure 2 is a schematic diagram showing a fanless exhaust device according to the first embodiment of the present invention.

3 is a schematic diagram showing a fanless exhaust device according to a second embodiment of the present invention.

4 is an operational view showing a state in which the wind direction guide piece is rotatably provided between the inner wall and the partition wall of the wind path interference prevention unit in the fanless exhaust device of the present invention.

5 is an enlarged view showing a state in which the end angle of the wind path interference prevention unit is rotatably provided in the fanless exhaust device of the present invention.

The above objects, features and other advantages of the present invention will become more apparent by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings. Hereinafter, a fanless exhaust device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a schematic diagram showing a fanless exhaust device according to a first embodiment of the present invention, Figure 2 is a schematic diagram showing a fanless exhaust device according to a first embodiment of the present invention, Figure 3 is a second of the present invention It is a schematic diagram showing a fanless exhaust device according to an embodiment, and FIG. 4 is an operational view showing a state in which the wind direction guide piece is rotatably provided between the inner wall and the partition wall of the wind path interference prevention unit in the fanless exhaust device of the present invention, 5 is an enlarged view showing a state in which the end angle of the wind path interference prevention unit is rotatably provided in the fanless exhaust device of the present invention.

1 and 2 , the fanless exhaust device 100 according to the first embodiment of the present invention includes a main body 110 , a wind path interference prevention unit 120 , a first fan 130 , and a second fan. (140).

As shown in FIGS. 1 and 2 , the main body 110 is a frame connected to each side of a hexagonal facet in which the wind path interference prevention unit 120 , the first fan 130 , and the second fan 140 are installed. As a result, the front and rear, upper, lower, left, and right surfaces are formed with openings.

Furthermore, the body part 110 has a first suction port 112 formed on the front side, which is the opposite side fixed to the wall W, and the first suction port 112 side, upper and lower left and right suction ports 113 are respectively formed, and the wall ( W) The second suction ports 114 are respectively formed on the upper and lower sides of the rear surface in the direction of the fixed surface, and the first fan exhaust ports 118a are formed by the spacing of the spaced apart path interference prevention units 120, and the rear surface contains contaminants. The entire exhaust port 118c is formed to be connected to the wall W so as to exhaust the air to the outside.

Here, the upper, lower, left, and right suction ports 113 are configured to attract surrounding air by Bernoulli's principle when the first and

second fans

130 and 140 are driven. is inhaled, and the amount of suction is improved.

At this time, the first suction port 112 and the second suction port 114 are passages for sucking pollutants such as smoke, odor, and polluted air generated in factories, large buildings, subways, and the like.

In addition, the partition walls 116 spaced apart from the upper and lower surfaces of the main body 110 are spaced apart from the inner upper and lower sides of the main body 110 so that the second fan 140 is embedded therein.

Moreover, the partition wall 116 serves as a wind channel through which the wind sucked through the second fan 140 moves.

Here, the partition walls 116 are exemplified as being provided on the inner upper and lower sides of the main body part 110 , but the present invention is not limited thereto and may be provided on the inner left and right sides of the main body part 110 .

The wind path interference prevention unit 120 is provided inside the main body 110, so that the wind path of the first fan 130 and the wind path of the second fan 140 do not interfere with each other. Control the wind path.

At this time, the wind path interference prevention unit 120 is provided with a guide 122 bent at the end so that the direction of the wind flowing in from the second inlet 114 by the guide 122 is determined by the wind path of the first fan 130 and the wind path of the first fan 130 . It is reversed so that it is not affected.

Accordingly, the wind path interference prevention unit 120 is formed in a vertical straight direction, and the guide 122 is formed in a horizontal direction.

As shown in FIGS. 1 and 2 , the first fan 130 is installed on the side of the first suction port 112 and rotates in the transverse direction to suck indoor air through the first suction port 112 .

As shown in FIGS. 1 and 2 , the second fan 140 is installed in a state embedded inside the second inlet 114 and rotates in the longitudinal direction to additionally suck indoor air through the second inlet 114 . .

At this time, the first and

second fans

130 and 140 are driven by a motor (not shown in the drawing).

Moreover, in the case of the conventional method, the first fan 130 and the second fan 140 have the capacity (number of rotations, etc.) of the first fan 130 less than the capacity (number of rotations, etc.) of the second fan 140 , but Since each path is not interfered by the wind path interference prevention unit 120 , the capacity of the first fan 130 may be greater than the capacity of the second fan 140 . In this way, the capacity of the first fan 130 is greater than the capacity of the second fan 140, so that a lot of wind can be sucked.

As described above, in the exhaust device 100 according to the first embodiment of the present invention, the first fan 130 and the second fan 140 are rotated by the driving force when power is applied.

At this time, pollutants generated in the room are sucked in through the first inlet 112 by the first fan 130 and the second inlet 114 by the second fan 140, and the sucked air is discharged through the entire exhaust port ( 118b) is forcibly exhausted.

And when the first and

second fans

130 and 140 are driven, the air pressure is lowered by Bernoulli's principle and the air around the first inlet 112 and the upper, lower, left, and right inlet 113 is drawn in, so the first inlet 112 ) as well as air is sucked through the top, bottom, left and right surfaces to improve the suction amount. And when the second fan 140 is driven, it is sucked in by the wind exhausted through the second fan exhaust port 118b and pushed to be discharged together with the wind of the first fan 130 and at the same time to the path interference prevention unit 120. Since it is moved without interference by the first fan 130, it is possible to increase the capacity of the first fan 130 to improve the suction efficiency.

Therefore, according to the Bernoulli effect, air is sucked in from the rear of the main body 110 and up, down, left and right by the first and

second fans

130 and 140 , and the upper and lower sides of the main body 110 through the second fan 140 . Even if air is sucked in and strong air is inserted by the first fan 130, the first fan 130 and the second fan 140 do not have resistance to each other, so the maximum suction effect of the first fan 130 can be achieved with the existing one. You can get 2-3 times as much as a fan.

Referring to FIG. 3 , the fanless exhaust device 200 according to the second embodiment of the present invention includes a main body 210 , a wind path interference prevention unit 220 , a first fan 230 , and a second fan 240 . Including, unlike the previous embodiment, only the structures of the partition wall 216 and the wind path interference prevention unit 220 are different, so only the different parts will be described in detail.

The partition wall 216 has an inclined end positioned on the side of the wind path interference prevention unit 220, unlike the previous embodiment positioned in the horizontal direction.

And since the end of the wind path interference prevention unit 220 is also inclined to be parallel to the inclined portion of the partition wall 216 , the direction of the wind sucked through the second fan 240 is discharged obliquely rather than vertically.

In this way, when the wind sucked from the first fan 230 by the inclined portion of the wind path interference prevention unit 220 passes through the fan exhaust port 218a whose inlet is gradually narrowed, the pressure increases and moves at a high speed. .

And since the second fan 240 rotates based on the longitudinal axis, it is preferable to be installed on the fan exhaust port 218a side.

Meanwhile, although not shown in the drawings, the wind path interference prevention unit 220 and the guide 222 may also be provided to enable angle adjustment as in the previous embodiment.

Here, unexplained reference numeral 212 denotes a first inlet, 214 denotes a second inlet, 218a denotes a fan exhaust, and 218b denotes an entire exhaust port.

Meanwhile, referring to FIG. 4 , the gap formed between the end of the partition wall 116 and the inner wall of the wind path interference prevention unit 120 has a gap corresponding to the gap and guides in the direction of the fan exhaust port 118a. The wind direction guide piece 1162 is rotatably provided by the shaft 1162a. This structure is also applicable to the second embodiment.

And a torsion spring 1164 is installed on the shaft 1162a. One end of the torsion spring 1164 is supported on the inner wall surface of the wind path interference prevention unit 120 , and the other end is supported by the wind direction guide piece 1162 , and the wind direction guide piece 1162 rotates by the wind. It is deformed when the wind blows and is restored when there is no wind.

On the other hand, the torsion spring 1164 has a different rotation angle of the wind direction guide piece 1162 according to the strength of the wind. That is, when the wind is weak, the angle of the wind direction guide piece 1162 becomes small, and when the wind blows strongly, the angle of the wind direction guide piece 1162 becomes large.

Moreover, the wind direction guide piece 1162 is formed so that the angle limiting projection 1163 protrudes from the inner wall surface of the wind path interference prevention unit 120 to limit the maximum rotation angle.

Accordingly, the wind direction guide 138 is provided to have a right angle with one side wall of the heat dissipation unit 130 when there is no wind, and rotates at a maximum angle when the wind blows to guide the wind in the direction of the outlet 114 .

And the fan exhaust port 118a formed between the end of the wind path interference prevention unit 120 and the partition wall 116 is a passage through which the air sucked from the second fan 130 passes.

At this time, the air exhausted through the first intake port 112 and the air exhausted through the fan exhaust port 118a have different exhaust positions, so that the first fan 130 rotates at a high speed and the second fan 140 rotates at a low speed. It is possible to suck the wind from the second fan 140 without interference even if rotated.

And referring to FIG. 5 , the wind path interference prevention unit 120 is provided so that the angle of the end and the angle of the guide 122 can be individually adjusted. This structure is also applicable to the second embodiment.

To this end, the wind path interference prevention unit 120 is provided rotatably by a rotating shaft on the corresponding surface in a state divided into upper and

lower portions

120a and 120b, and a cylindrical protrusion provided at the end of the upper portion 120a. A radial hemispherical groove 1212 is formed on the outer peripheral surface of the 1210 .

And in the lower part 120b, the sphere 1220 is provided in a state elastically supported by the elastic body 1230 on the surface adjacent to the protrusion 1210, so that the sphere 1220 is coupled to any one of the radial hemispherical grooves 1212. When the angle of the lower part 120b is fixed, the lower part 120b is further rotated so that the sphere 1220 is separated from the hemispherical groove 1212, and then the rotation angle is adjusted while moving to the adjacent hemispherical groove 1212.

Moreover, the guide 122 is also provided rotatably by a rotation shaft on the surface corresponding to the lower portion 120b, and radial hemispherical grooves 1212 on the outer peripheral surface of the cylindrical protrusion 1210 provided at the end of the upper portion 120a. ) is formed.

A radial hemispherical groove 1212 is formed on the outer peripheral surface of the cylindrical projection 1210 provided at the end of the lower portion 120b.

And the guide 122 is provided with a sphere 1220 on the surface adjacent to the projection 1210 in a state elastically supported by the elastic body 1230 so that the sphere 1220 is coupled to any one of the radial hemispherical grooves 1212 . When the angle of the guide 122 is fixed and the guide 122 is further rotated, the sphere 1220 is separated from the hemispherical groove 1212 and then the rotation angle is adjusted while moving to the adjacent hemispherical groove 1212 .

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can realize that the present invention may be embodied in other specific forms without changing its technical spirit or essential features. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

[Explanation of code]

100, 200: fanless exhaust system

110, 210: body part

112, 212: first intake port

114, 214: second intake port

116, 216: bulkhead

120, 220: wind path interference prevention unit

130, 230: first fan

140, 240: second fan

Claims

a body portion having a first intake port formed on one side and an entire exhaust port formed on the other side, and a second intake port formed on an opposite surface between the first intake port and the entire exhaust port;

a first fan installed in the first inlet and driven by a driving force to suck air through the first inlet;

a second fan embedded in the second inlet and driven by a driving force to exhaust the air sucked through the second inlet; and

The fan-free exhaust device comprising a; a wind path interference prevention unit provided inside the main body portion to prevent the wind path of the first fan and the wind path of the second fan from interfering with each other.
According to claim 1,

The wind path interference prevention unit fanless exhaust device, characterized in that for switching the direction of the wind flowing in from the second inlet by the partition wall spaced apart from the inner wall of the main body.
3. The method of claim 2,

The fan-free exhaust device, characterized in that the wind path interference prevention unit is provided in a straight or oblique direction.
According to claim 1,

The fan-free exhaust device, characterized in that the capacity of the first fan is greater than the capacity of the second fan.