WO2019083208A1 - Procédé d'installation de ventilateur soufflant et appareil soufflant utilisant un ventilateur soufflant - Google Patents

Procédé d'installation de ventilateur soufflant et appareil soufflant utilisant un ventilateur soufflant

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Publication number
WO2019083208A1
WO2019083208A1 PCT/KR2018/012083 KR2018012083W WO2019083208A1 WO 2019083208 A1 WO2019083208 A1 WO 2019083208A1 KR 2018012083 W KR2018012083 W KR 2018012083W WO 2019083208 A1 WO2019083208 A1 WO 2019083208A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
fluid
fan housing
wall
induction pipe
Prior art date
Application number
PCT/KR2018/012083
Other languages
English (en)
Korean (ko)
Inventor
김유석
Original Assignee
김유석
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김유석 filed Critical 김유석
Publication of WO2019083208A1 publication Critical patent/WO2019083208A1/fr

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Classifications

    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps

Definitions

  • the present invention relates to a blower, and more particularly, to a method of installing a blower fan and a blower using the blower, which is used for indoor ventilation or blowing,
  • Blowers are used in a variety of industries, including air conditioning. Although the present invention has been devised for a blower used for indoor ventilation, it can be widely used to create a flow of fluid in various industrial fields.
  • the ventilation system is installed in the ventilation hole as mentioned.
  • the vents are provided by penetrating the wall.
  • the ventilator includes a motor, a rotating blade that rotates by the motor and generates wind, and a case that fixes them.
  • the case is generally provided with a shutter for blocking the outside air and the indoor air when the ventilator is not operated.
  • the motor is located at the center of the vent hole. In addition, there is no clearance between the casing where the motor is installed and the vent hole, and they are tightly fixed to each other. In order to increase the ventilation ability under the same conditions, everything has been considered other than a method of increasing the specification of the motor.
  • Another object of the present invention is to provide a blowing apparatus using such a method.
  • the above object of the present invention is also achieved by a method for installing the blowing fan to the ventilation hole in a system installed in a ventilation hole provided in a wall to send fluid in one space to the other space,
  • a tubular first induction pipe may be provided on the rear surface of the wall for improving the straightness of the fluid.
  • the first induction pipe may be spaced apart from the rear surface of the wall.
  • the first induction pipe may have a reduced diameter along the blowing direction.
  • Another object of the present invention is to provide
  • a fan disposed at an inlet side of a ventilation hole provided in the wall for transmitting fluid in one space to the other space,
  • a blower fan including a motor body and a rotating blade coupled to a rotating shaft of the motor body;
  • a cylindrical fan housing for supporting the blowing fan;
  • a bracket means having one end connected to the fan housing and the other end fixed to the wall so that the fan housing is supported so as to be spaced apart from a front surface of a wall provided with the ventilating hole;
  • the fluid is introduced into the fan housing through the annular space between the fan housing and the vent hole to pass through the vent hole.
  • the diameter of the fan housing may be smaller than the diameter of the vent hole.
  • the apparatus may further include a tubular first induction pipe for improving straightness of the fluid, the tubular first induction pipe being provided at the outlet side of the vent hole.
  • the first induction pipe may be spaced apart from the wall.
  • the first induction pipe may have a smaller diameter on the outlet side than on the inlet side.
  • Still another object of the present invention is to provide
  • a blower fan including a motor body and a rotating blade coupled to a rotating shaft of the motor body; A cylindrical fan housing for supporting the blowing fan; And a guide tube installed in front of the rotary blade for imparting straightness to the flow of the fluid generated by the rotary blade.
  • the diameter of the inlet port may be larger than the diameter of the outlet port.
  • the induction tube may be composed of a plurality of unit induction tubes arranged in series.
  • an annular space is provided between the fan housing for supporting the blowing fan and the ventilation hole, and when the blowing fan is operated, the fluid is circulated through the annular space, ≪ / RTI > According to this, the fluid passing through the fan housing passes through the vent hole without resistance, and the fluid around it flows into the vent hole by the Bernoulli principle. As a result, a larger amount of air can be blown through the ventilation holes by using a blowing fan of the same capacity.
  • the induction pipe according to the present invention contributes to the improvement of the straightness of the fluid, thereby guiding a large amount of flow to quickly pass through the ventilator.
  • FIG. 1 is a perspective view for explaining an installation structure of a blower according to an embodiment of the present invention.
  • FIG 2 is a front view of a blower according to an embodiment of the present invention.
  • Fig. 3 is a side structural view for explaining the action of the blowing device and its installing method according to the embodiment of the present invention.
  • FIG. 4 is a side view of a blower according to another embodiment of the present invention.
  • FIG. 5 is a perspective view of a cover of a blower according to another embodiment of the present invention.
  • FIG. 6 is a perspective view of a cover of a blower according to another embodiment of the present invention.
  • FIG. 7 is a side view of a blower according to another embodiment of the present invention.
  • FIG 8 to 10 are side structural views for explaining the operation of the air blowing apparatus according to the present invention.
  • blowing fan 11 boss
  • blowing fan mounting means 21 fan housing
  • the present invention has been described as basically including a blowing fan, it can be applied to a liquid, and thus can be a propeller.
  • the following description is made on a gas as a representative of a fluid.
  • the method of the present invention relates to a method for installing a blowing fan (10) in a ventilation hole (H) for sending a fluid in one space dividing a space to the other space.
  • the ventilation holes H are provided in various kinds of walls W.
  • the blowing fan 10 includes a motor body 13 and a rotary vane 12 coupled to a rotary shaft of the motor body 13.
  • the shape of the rotary vane 12 may vary, but a type suitable for an axial flow blower is suitable.
  • the blowing fan 10 is fixed to the wall W by the blowing fan mounting means 20 so that the fluid can pass around the blowing fan 10.
  • the blowing fan 10 is supported at the center of the fan housing 21 through the fan support 23.
  • the step of fixing the fan housing 21 is spaced apart from the front surface of the wall W by a predetermined gap G.
  • the diameter of the rotary vane 12 is also smaller than the diameter of the ventilation hole H.
  • the gap G between the fan housing 21 and the front surface of the wall W may vary according to the diameter of the ventilation hole H or the size of the ventilation fan 10. For example, .
  • the fluid is sucked into the vent hole H through the side space of the fan housing 21 by the Bernoulli's principle when the blowing fan 10 is operated (see F3). That is, the inflow amount (or the blowing amount) of the fluid increases accordingly. Details of the operation will be described later.
  • a step of installing a tubular main guide tube (30) whose diameter is reduced along the blowing direction is provided on the rear surface of the wall body (W).
  • the first induction pipe 30 is for improving the straightness of the fluid and guides the fluid that has passed through the ventilation hole H of the wall W to flow with kinetic energy to some extent without being immediately diffused . This kinetic energy acts to allow the outside air to flow into the first induction pipe 30 (see F5) through the space between the first induction pipe 30 and the wall W by the negative pressure.
  • the first induction pipe 30 may have a cylindrical shape with a constant cross-sectional area along the longitudinal direction, or may have a funnel shape with a gradually smaller cross-sectional area.
  • the first induction pipe 30 may be installed closely to the wall W or may be spaced apart.
  • a second induction pipe 40 may be further provided on the outer side of the first induction pipe 30 so as to have the same axial center (see FIG. 4).
  • the second induction pipe 40 can be connected to the first induction pipe 30 through a predetermined bracket and the second induction pipe 40 can be supported on the wall W.
  • the ventilating apparatus of the present invention is provided on the inlet side of the ventilation hole H provided in the wall W and is intended to send the fluid in one space to the other space and operates in accordance with the method described above.
  • the blowing fan 10 includes a motor body 13 and a rotary vane 12 coupled to a rotary shaft of the motor body 13.
  • the rotary vane 12 is coupled to the motor main body 13 through the bosses 11.
  • the blowing fan 10 is installed at the center of the inside of the cylindrical fan housing 21.
  • the blower fan 10 is fixed and supported by the center of the fan housing 21 by the fan support 23.
  • the fluid in front of the fan housing 21 is fed backward through the fan housing 21 by the start of the blowing fan 10 (see F1 to F5).
  • the bracket means allows the fan housing 21 to be supported so as to be spaced apart from the front surface of the wall provided with the ventilation hole (H).
  • the bracket means may be in the form of three legs 22, one end of which is connected to the front end 21a of the fan housing and the other end is fixed to the wall W. [
  • the shape of the bracket means can be varied. For example, it may be provided in the form of a cylindrical box or casing in which a plurality of holes are formed in the side wall (see Figs. 4 to 6). In this case, the fan housing 21 can be more stably supported than the legs 22.
  • the bracket means is for making an annular space between the fan housing (21) and the ventilation hole (H).
  • the fluid also flows through the annular space between the fan housing 21 and the ventilation hole H, and flows through the ventilation hole H along the flow of F3.
  • the external air is sucked into the ventilation hole (H) by the Bernoulli principle.
  • the diameter D2 of the fan housing 21 is equal to or smaller than the diameter D1 of the vent hole H. So that the wind generated by the rotary vane 12 does not hit the wall around the ventilation hole H.
  • the gap G between the fan housing 21 and the wall W is as described above.
  • a first induction pipe (30) is provided at the outlet side of the vent hole (H) for improving the straightness of the fluid.
  • the first induction pipe 30 may be installed in close contact with the wall W or may be spaced apart through a predetermined support.
  • a second induction pipe 40 may be further installed on the outer side of the first induction pipe 30.
  • the second induction pipe (40) can be connected to the first induction pipe (30) by a support.
  • the second induction pipe (40) is supported on the rear surface of the wall (W).
  • the diameter of the second induction pipe 40 on the outlet side may be smaller than that on the inlet side.
  • the second induction pipe 40 has a configuration in which the large diameter portion 41, the inclined portion 43 and the small diameter portion 42 are integrally formed and their sectional area is reduced stepwise.
  • a negative pressure is formed at the first position P1 and the second position P2 when the blowing fan is operated. This is because the fluid velocity inside the vent hole H is increased due to the straightness of the fluid. This negative pressure acts to suck the outside air more and eventually amplifies the blowing amount.
  • bracket means According to the present embodiment, another example of the above-described bracket means is presented.
  • the tubular cover 24 with one side opened is replaced with the bracket means.
  • the cover 24 is provided with a flange 243 so as to be easily fixed to the wall W.
  • the flat front plate 241 and the cylindrical side plate 242 are provided with wide holes 245 and 244, In order to make it possible.
  • the front plate 241 of the cover 24 functions to prevent access to the rotary vane 12 for safety.
  • the fan housing is installed on the inner wall of the cover 24 through the housing support 25.
  • the cover shown in Figs. 4 to 5 is constituted by the inner cover 24 and the outer cover 26.
  • the outer cover 26 is fitted outside the inner cover 24 and is rotatably installed.
  • a coupling protrusion 246 is protruded from the front plate 241 of the inner cover 24 and a coupling groove is formed on the outer cover 26 to which the coupling protrusion 246 is coupled.
  • the front plate 261 and the side plate 262 of the outer cover 26 are provided with holes 265 and 264, respectively, similar to the inner cover 24.
  • a handle 266 is provided at the center of the front plate 261 of the outer cover 26. By rotating the knob 266, the holes 244, 245, 264, and 265 of the inner cover 24 and the outer cover 26 are aligned with each other or shifted from each other, thereby selectively shielding the flow path.
  • This embodiment is intended to prevent a cold wind from entering into the interior of winter or to prevent dust or worms from entering the room when ventilation is not performed, as in the conventional conventional ventilator. That is, it performs the same function as the shutter in the conventional ventilator.
  • This embodiment is another example of the bracket means.
  • a large hole 275 is provided in the center of the front plate 271 of the cover body 27, and a shield plate 276 having a larger area than the hole is provided in the inside thereof.
  • the shield plate 276 should be fixed to the front plate 271 or the side plate 272.
  • the side plate 272 is provided with a hole 274 similar to the previous embodiment.
  • a zigzag-like flow path is provided as shown in the figure.
  • Such a configuration prevents an approach to the rotary vane 12, thereby enhancing safety, and also provides an effect of reducing noise generated during rotation.
  • a network for preventing the inflow of worms may be provided inside the cover body 27, or a method of shielding the holes 274 and 275 in a similar manner as shown in Fig. 6 may be adopted.
  • Fluid flows F1, F2, F3, F4 and F5 caused by the operation of the blowing fan 10 are shown in Figs. 3 and 4, respectively, as an action according to the present invention.
  • a flow of F3 is further generated, whereby a turbo effect in which the blowing amount is increased can be obtained, and further, the flow of F5 is added by the induction pipe. More details regarding the action will be described later in other embodiments.
  • the rotary vane 12 rotates at the center of the fan housing 21 to discharge the fluid in the direction of F1 so that the fluid is transferred to the first induction pipe 30. [ At this time, a low pressure is formed at the first position P1 (Bernoulli clearance), so that a flow of the fluid F3 is generated. This causes the fluid flow to pass through the first induction pipe 30 while being amplified.
  • the amplified fluid is discharged while passing through the first induction pipe 30 and the low pressure is formed again at the second position P2 so that the flow of the fluid F5 is generated and passes through the third induction pipe 40 to further contribute to the flow rate amplification .
  • spiral-shaped protective meshes 50 and 51 can be respectively installed on the front and the side of the rotary vane 12 of the blowing fan. This can prevent the inflowing fluid from rotating in the rotating direction of the rotary vane 12 . This is to reduce losses and noise by reducing the resistance of the fluid. It goes without saying that the protection mesh 50, 51 serves as a protection means.
  • Spiral guides (33, 44) can also be provided on the inner wall of the outlet side of the first and second induction pipes (30, 40).
  • the spiral shape as well as the rotation direction of the rotary vane 12 should be the same. This is to apply a rotational force to the passing fluid to attenuate the resistance.
  • the fan housing 21, the first induction pipe 30, and the second induction pipe 40 may each have a predetermined length to enhance the straightness of the fluid.
  • the length can be adjusted according to various situations.
  • 9 to 10 are simplified representations of the technical idea of the present invention. It can be seen that the fan housing 21 of the blowing fan is installed apart from the ventilation hole H. It can be seen that the flow velocity is also generated from the side of the fan housing 21. 10 illustrates that the fan housing may be spaced apart toward the rear of the wall W. As shown in FIG.
  • 11 to 12 illustrate application examples of the present invention.
  • 11-12 illustrate a propeller that may be used in the drones 70.
  • FIG. It can be seen that the number of induction tubes can be adjusted according to this embodiment.
  • the fan housing 21 is connected to the arm 71 of the drones.
  • the third induction pipe 60 is further provided.
  • the third induction pipe 60 may be constituted by a large diameter portion 61, an inclined portion 63 and a small diameter portion 62 and may be provided outside the second induction pipe 40.
  • This embodiment describes a case in which there is no wall W in the previous embodiment.
  • the flow of the fluid generated in the rotary vane 12 of the blowing fan (propeller) can be made to pass through a plurality of unit induction pipes arranged in series.
  • the unit induction pipe may be composed of the first, second and third induction pipes 30, 40 and 60.
  • Each unit induction pipe can be connected to each other by a support, and they can be connected to the fan housing 21 through a support.
  • the fixing method of the unit induction pipe can be variously changed.
  • the first, second and third induction tubes 30, 40 and 60 may be arranged such that the diameter of the inlet is larger than the diameter of the outlet, and the first, second and third induction tubes 30, 40 and 60 overlap each other by 1/10 to 1/3 in the longitudinal direction.
  • the flow rate is amplified through the induction tube and directed forward.
  • the principle of amplification is the negative pressure and nozzle effect generated at each induction tube edge.
  • the technical idea of the present invention can be applied to various fluid systems other than the fan or the blower, for example, a pump, a thrust device of a ship, a cooling fan of various devices, an aviation field, a propeller, a drone or the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne un appareil soufflant et un procédé d'installation d'une soufflante, l'appareil soufflant étant utilisé pour une ventilation ou un soufflage d'intérieur, et offrant une capacité de soufflage élevée utilisant peu d'énergie. L'appareil soufflant comprend : un corps principal de moteur ; un ventilateur soufflant comprenant des pales de rotation accouplées à l'arbre de rotation du corps principal de moteur ; un boîtier de ventilateur cylindrique permettant de supporter le ventilateur soufflant ; et un moyen de support qui effectue le support de façon que le boîtier de ventilateur soit espacé de la surface avant d'un mur sur lequel est présente une ouverture de ventilation, et dont une extrémité est reliée au boîtier de ventilateur et l'autre extrémité est fixée au mur. Ainsi, l'appareil soufflant est caractérisé en ce qu'il permet à un fluide d'entrer par l'intérieur du boîtier de ventilateur ainsi que par un espace annulaire entre le boîtier de ventilateur et l'ouverture de ventilation, et de passer à travers l'ouverture de ventilation dans un état amplifié.
PCT/KR2018/012083 2017-10-23 2018-10-15 Procédé d'installation de ventilateur soufflant et appareil soufflant utilisant un ventilateur soufflant WO2019083208A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0137055 2017-10-23
KR1020170137055A KR102022852B1 (ko) 2017-10-23 2017-10-23 환풍장치

Publications (1)

Publication Number Publication Date
WO2019083208A1 true WO2019083208A1 (fr) 2019-05-02

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Application Number Title Priority Date Filing Date
PCT/KR2018/012083 WO2019083208A1 (fr) 2017-10-23 2018-10-15 Procédé d'installation de ventilateur soufflant et appareil soufflant utilisant un ventilateur soufflant

Country Status (2)

Country Link
KR (1) KR102022852B1 (fr)
WO (1) WO2019083208A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102377336B1 (ko) * 2020-06-09 2022-03-21 나명환 송풍기용 공기 증폭 송출장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04295531A (ja) * 1991-03-22 1992-10-20 Sanitsukusu:Kk 換気装置
KR200169174Y1 (ko) * 1999-07-21 2000-02-15 장동영 송풍장치
KR200193787Y1 (ko) * 2000-03-14 2000-08-16 이현수 디퓨저
KR20060122549A (ko) * 2005-05-27 2006-11-30 삼성전자주식회사 송풍팬 및 이를 갖는 디스플레이장치
KR20090002421U (ko) * 2007-09-06 2009-03-11 주용성 벤츄리 원리를 이용한 구조개선된 배기 환풍기

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4566723B2 (ja) 2004-12-08 2010-10-20 キヤノン株式会社 レーザスキャナ及びそれを適用する画像形成装置
KR100849450B1 (ko) 2006-04-17 2008-07-30 이시하라 야쿠힌 가부시끼가이샤 순금속·합금 초미분말의 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04295531A (ja) * 1991-03-22 1992-10-20 Sanitsukusu:Kk 換気装置
KR200169174Y1 (ko) * 1999-07-21 2000-02-15 장동영 송풍장치
KR200193787Y1 (ko) * 2000-03-14 2000-08-16 이현수 디퓨저
KR20060122549A (ko) * 2005-05-27 2006-11-30 삼성전자주식회사 송풍팬 및 이를 갖는 디스플레이장치
KR20090002421U (ko) * 2007-09-06 2009-03-11 주용성 벤츄리 원리를 이용한 구조개선된 배기 환풍기

Also Published As

Publication number Publication date
KR102022852B1 (ko) 2019-09-19
KR20190044756A (ko) 2019-05-02

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