WO2022102938A1 - Climatiseur - Google Patents

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Publication number
WO2022102938A1
WO2022102938A1 PCT/KR2021/012612 KR2021012612W WO2022102938A1 WO 2022102938 A1 WO2022102938 A1 WO 2022102938A1 KR 2021012612 W KR2021012612 W KR 2021012612W WO 2022102938 A1 WO2022102938 A1 WO 2022102938A1
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WO
WIPO (PCT)
Prior art keywords
fan
air
suction port
inlet
bell mouse
Prior art date
Application number
PCT/KR2021/012612
Other languages
English (en)
Korean (ko)
Inventor
서용호
김가현
김낙현
김병건
김주영
신문선
이원희
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of WO2022102938A1 publication Critical patent/WO2022102938A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/80—Self-contained air purifiers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F24F2013/205—Mounting a ventilator fan therein

Definitions

  • the present invention relates to an air conditioner, and more particularly, to an air conditioner having a structure that minimizes flow loss and flow noise.
  • An air conditioner is a device that sucks in indoor air and releases the sucked air by air conditioning.
  • air conditioning refers to appropriately controlling the temperature, humidity, cleanliness, airflow distribution, etc. of indoor air.
  • the type of the air conditioner may include a ventilation device, an air conditioner, an air purifier, a humidifier, and the like.
  • An air purifier which is an example of an air conditioner, is a device used to control the degree of cleanliness of indoor air by removing pollutants in the air. Air purifiers can remove bacteria, viruses, mold, fine dust, and chemicals that cause bad odors in the inhaled air.
  • the air purifier may be provided with a filter for purifying polluted indoor air.
  • the air sucked in by the air purifier may pass through the filter to remove contaminants and be purified as clean air, and the purified air may be discharged to the outside of the air purifier.
  • an air conditioner which is an example of an air conditioner, may also include a filter unit to perform an air cleaning function.
  • the air conditioner may include a fan to suck in and discharge air, and may include various blowing structures provided to guide air discharged by the fan to an outlet of the air conditioner.
  • One aspect of the present disclosure provides an air conditioner capable of achieving blowing efficiency and noise reduction by smoothly flowing an intake airflow and a recirculation airflow.
  • One aspect of the present disclosure provides an air conditioner with improved air conditioning performance by increasing the amount of air discharged from the air conditioner.
  • An air conditioner includes a body provided with an inlet; a fan disposed inside the body and including a suction port; and a blowing case for guiding the air introduced into the inlet to the fan, wherein the blowing case includes: a bell mouse for guiding the air introduced into the inlet to the suction port; and a fan case in which an accommodation space in which the fan is disposed is formed and the bell mouse is inserted, wherein the fan case has a ring shape surrounding the bell mouse, and a portion of the air in the accommodation space is sucked into the suction port. It may include; an airflow guide to guide.
  • the fan case may include an inner wall surrounding the fan and forming the accommodating space, and the airflow guide may be connected to one end of the inner wall.
  • the fan may include a shroud in which the inlet is formed, and the airflow guide may guide a portion of the air in the accommodation space flowing through the space between the shroud and the inner wall to the inlet.
  • the inner surface of the bell mouse guides the air introduced into the inlet to the intake port, and the outer surface of the bell mouse removes a portion of the air in the accommodation space flowing through the space between the shroud and the inner wall. can be guided by
  • the airflow guide may include a bent part bent at one end of the inner wall, an extension part connected to the bent part, and extending toward the fan, and the bell mouse may be spaced apart from the extension part.
  • One end of the bell mouse in the direction of the rotation axis of the fan may be closer to the suction port than one end of the extension part.
  • the extended part may be inserted into the suction port, and a portion of the extended part may face the shroud in a radial direction of the suction port.
  • the extension portion may be spaced apart from the shroud in a direction of a rotation axis of the fan and a radial direction of the suction port.
  • the airflow guide may form an opening through which the bell mouse passes therein.
  • a diameter of the opening may be smaller than a diameter of the suction port.
  • a diameter of the opening may be greater than a diameter of the suction port.
  • the diameter of the opening may be the same as the diameter of the suction port.
  • the airflow guide may be integrally formed with the inner wall.
  • the bell mouse may include a deletion portion formed at one end to prevent a collision with the fan.
  • the blowing case may include a bell mouse and a bell mouse panel fixed to the rear of the fan case.
  • An air conditioner includes a fan provided with an inlet; and a blowing case in which the fan is accommodated and guiding the airflow, wherein the blowing case surrounds the fan and includes an inner wall in which a recirculation passage is formed; an airflow guide provided at one end of the inner wall to form an opening communicating with the suction port and guiding air flowing through the recirculation flow path to the suction port; and a bell mouse passing through the opening and guiding air to the suction port.
  • the fan may include a shroud in which the suction port is formed, and the recirculation passage may be formed between the inner wall and the shroud.
  • the airflow guide may include a bent part bent at one end of the inner wall, and an extension part connected to the bent part and extending toward the fan to form the opening, and the bell mouse may be spaced apart from the extension part.
  • a gap may be formed between one end of the shroud and one end of the extension, and the bell mouse may guide the air discharged through the gap to the suction port.
  • the bell mouse may include a deletion portion formed at one end to prevent a collision with the fan.
  • the bell mouse and the airflow guide can smoothly guide the intake airflow and the recirculation airflow, and the recirculation airflow can smoothly join the intake airflow, so the noise generated by the collision between the intake airflow and the recirculation airflow can be minimized. there is.
  • the bell mouse and the airflow guide efficiently guide the airflow to the inlet of the fan, the amount of air sucked into the inlet of the fan and the amount of airflow discharged from the fan may be increased.
  • FIG. 1 is a perspective view of an air purifier according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the air purifier shown in FIG. 1 .
  • FIG. 3 is an exploded perspective view of the air purifier shown in FIG. 1 .
  • FIG. 4 is an exploded view illustrating a blowing case and a fan of the air purifier shown in FIG. 1 .
  • FIG. 5 is a view showing the blowing case and the fan shown in FIG. 4 viewed from the rear.
  • FIG. 6 is an enlarged view illustrating an area A of FIG. 2 through which an air current flows.
  • FIG. 7 to 13 are views illustrating various modified examples of the bell mouse and the airflow guide.
  • first may be referred to as a second component
  • second component may also be referred to as a first component.
  • the term “and/or” includes a combination of a plurality of related listed items or any of a plurality of related listed items.
  • the terms “front”, “rear”, “left” and “right” used in the following description are defined based on the drawings, and the shape and position of each component is not limited by these terms.
  • the X-axis represents the front-rear direction
  • the Y-axis represents the left-right direction
  • the Z-axis represents the up-down direction.
  • a direction parallel to the XY plane such as the front-rear direction or the left-right direction, may be referred to as a horizontal direction. If it is parallel to the XY plane, it can be said to be horizontal.
  • the direction perpendicular to the XY plane is called the vertical direction.
  • an air purifier which is a type of air conditioner
  • the configuration of the present disclosure for increasing flow efficiency and reducing flow noise is not limited to the air purifier, and may be applied to other air conditioners.
  • it may be applied to an air conditioner, which is a type of air conditioner other than an air purifier. Since the air purifier is included in the air conditioner, the air purifier described below may be replaced with the air conditioner.
  • any home appliance in which the fan is driven and has a flow path for blowing air discharged by the fan is applicable to any home appliance.
  • FIG. 1 is a perspective view of an air purifier according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the air purifier shown in FIG. 1 .
  • 3 is an exploded perspective view of the air purifier shown in FIG. 1 .
  • FIG. 4 is an exploded view illustrating a blowing case and a fan of the air purifier shown in FIG. 1 .
  • the air purifier 1 may include a box-shaped body 10 .
  • the body 10 may include a cabinet that forms an exterior.
  • the cabinet may include an upper cabinet 13 , a left cabinet 14 , a right cabinet 15 , and a lower cabinet 17 .
  • the body 10 may include a back panel 16 on which an inlet 12 is formed.
  • the main body 10 may include an edge panel 18 that forms a rim of the front surface of the open main body 10 .
  • the upper cabinet 13 , the left cabinet 14 , and the right cabinet 15 may be integrally formed.
  • the upper surface, the left surface, the right surface, and the lower surface of the main body 10 may be formed in the order of the upper cabinet 13 , the left cabinet 14 , the right cabinet 15 , and the lower cabinet 17 .
  • the rear panel 16 may form the rear surface of the body 10 .
  • the air purifier (1) has an inlet (12) formed in the main body so that the outside air of the air purifier (1) flows into the inside of the air purifier (1), and the main body (10) so that the air introduced through the inlet (12) is discharged. It may include an outlet 11 provided in the.
  • the inlet 11 and the outlet 12 may be formed on different surfaces or may be formed on the same surface.
  • the inlet 12 may be formed at the rear end of the body 10 .
  • the outlet 11 may be formed on the front side of the body 10 .
  • the air purifier 1 may include a filter unit 400 and a fan assembly 100 disposed inside the body 10 .
  • the fan assembly 100 sucks air from the outside of the air purifier 1 into the inside of the main body 10 through the inlet 12 , passes it through the filter unit 400 , and removes the air filtered by the filter unit 400 . It can be discharged to the outside of the main body 10 through the outlet (11).
  • the filter unit 400 may purify the air sucked in from the inlet 12 , and may be detachably installed in the body 10 .
  • the body 10 may include a filter case 300 to which the filter unit 400 can be mounted.
  • the main body 10 may include a blowing case 200 for guiding the airflow formed by the fan assembly 100 to the outlet 11 .
  • the filter case 300 may be disposed at the rear of the blowing case 200 .
  • the filter case 300 and the blower case 200 may be covered by a cabinet.
  • the blowing case 200 may include a fan case 210 in which the fan assembly 100 is accommodated and to which the fan assembly 100 may be fixed.
  • the fan case 210 may include an inner wall 201 that forms a blowing passage 30 for guiding the airflow formed by the fan assembly 100 to the outlet 11 .
  • the fan 110 may be covered by an inner wall 201 .
  • the blowing flow path 30 is a flow path through which the air flowing by the fan assembly 100 from the inlet 12 of the air purifier 1 to the outlet 11 or the fine discharge port 21 of the air purifier 1 flows. can be defined.
  • the blowing case 200 may include a bell mouth panel 220 including a bell mouth 202 for guiding air to the inlet 111 of the fan 110 .
  • the bell mouse panel 220 may be coupled to the fan case 210 .
  • the bell mouse panel 220 may be disposed at the rear of the fan case 210 .
  • the bell mouse 220 may be inserted into the fan case 210 through the opening 203a (refer to FIG. 5 ).
  • the present invention is not limited thereto, and the bell mouse panel 220 and the fan case 210 may be integrally formed.
  • the air purifier 1 may include a panel 20 provided to be movable with respect to the main body 10 so as to adjust the size of the outlet 11 .
  • the panel 20 may be disposed in front of the body 10 .
  • the panel 20 may form the front surface of the air conditioner 1 .
  • the size of the outlet 11 may be increased.
  • the size of the outlet 11 may be reduced.
  • the outlet 11 may correspond to a gap between the panel 20 and the body 10 , and the farther the panel 20 and the body 10 are from each other, the larger the outlet 11 is, and the panel 20 ) and the main body 10 are closer to each other, the outlet 11 may be smaller.
  • the exhaust port 11 When the panel 20 and the main body 10 come into contact with each other, the exhaust port 11 may be closed and air is discharged to the outside of the air purifier 1 through the plurality of fine discharge ports 21 formed in the panel 20 . can be emitted. Since the area of each of the plurality of fine outlets 21 is smaller than the area of the outlet 11 , the air passing through the fine outlets 21 may be discharged at a lower speed than the air passing through the outlet 11 .
  • all or a part of the air flow passage 30 may be provided inside the main body 10 . A portion of the air flow passage 30 may be provided between the body 10 and the panel 20 .
  • the panel 20 may be fixedly fixed to the front of the main body 10 , and the outlet 11 may be formed in the panel 20 or the main body 10 .
  • the panel 20 and the body 10 may be provided integrally.
  • the fan assembly 100 may include a fan 110 , a motor 120 driving the fan 110 , and a motor cover 101 in which the motor 120 is accommodated and fixed.
  • the motor 120 may include a shaft 121 , and the shaft 121 may be coupled to the fan 110 to transmit power of the motor 120 to the fan 110 .
  • the shaft 121 may extend in the front-rear direction.
  • the fan 110 may have a rotation axis R parallel to the front and rear directions.
  • the fan 110 includes a hub coupled to the shaft 121, a plurality of blades 112, and a shroud ( 113 (refer to FIG. 5).
  • the inlet 111 may be opened toward the rear.
  • the suction port 111 may be formed in a circular shape.
  • the fan 110 may discharge air toward the front.
  • the fan 110 may include a flow fan.
  • the fan 110 may include a turbofan.
  • the motor cover 101 may support the fan 110 so that the fan 110 is disposed inside the fan case 210 . Specifically, as the motor cover 101 to which the motor 210 to which the fan 110 is coupled is fixed is fixed to the fan case 210 , the fan 110 may be supported by the motor cover 101 .
  • the motor cover 101 may include a body 130 forming an accommodation space in which the motor 120 is accommodated, and a plurality of guide vanes protruding from one end surface of the body 130 .
  • the plurality of guide vanes may be disposed on the blowing passage.
  • a cover panel 140 covering the accommodation space may be coupled to the front surface of the body 130 .
  • FIG. 4 is an exploded view illustrating a blowing case and a fan of the air purifier shown in FIG. 1 .
  • 5 is a view showing the blowing case and the fan shown in FIG. 4 viewed from the rear.
  • FIG. 6 is an enlarged view illustrating an area A of FIG. 2 through which an air current flows.
  • the fan case 210 may include an inner wall 201 surrounding the fan 110 and forming a recirculation passage 40 .
  • the inner wall 201 may be formed in a substantially bell-shaped shape.
  • the front and rear surfaces of the inner wall 201 may be opened.
  • the outer periphery of the front end and the rear end of the inner wall 201 may be formed in a circular shape.
  • the inner surface of the inner wall 201 may be curved.
  • the inner wall 201 may form an accommodation space 201a in which the fan 110 is disposed.
  • An accommodation space 201a may be formed by the inner surface of the inner wall 201 .
  • the accommodation space 201a may correspond to the air flow passage 40 , and when the fan 110 is disposed in the accommodation space 201a , it can be seen that the fan 110 is disposed on the air flow passage 30 .
  • the inner wall 201 may form a recirculation passage 40 .
  • the recirculation passage 40 may correspond to a partial region of the accommodation space 201a.
  • the inner wall 201 may form a recirculation passage 40 together with the shroud 113 of the fan 110 .
  • the recirculation passage 40 may correspond to a space between the inner wall 201 and the shroud 113 .
  • the fan case 210 is connected to the rear end of the inner wall 210 and includes an airflow guide 203 that guides air (hereinafter, recirculation airflow) flowing through the recirculation passage 40 back to the inlet 111 of the fan 110 . can do.
  • the fan case 210 may include an airflow guide 203 that guides a portion of the air in the accommodation space 201a formed by the inner wall 201 to the intake port of the fan 110 .
  • the airflow guide 203 may be provided integrally with the inner wall 201 or may be provided separately.
  • the airflow guide 203 may be disposed at the rear of the fan 110 .
  • the airflow guide 203 may extend along the rear end of the inner wall 201 to have a ring shape.
  • the airflow guide 203 may include a bent portion 203c bent at the rear end of the inner wall 201 , and an extension portion 203b connected to the bent portion 203c and extending toward the fan 110 .
  • the extension 230b may extend approximately in the front-rear direction. The front end of the extension 230b may be disposed adjacent to the suction port 111 .
  • the extension 203b may be spaced apart from the fan 110 .
  • the extension 110 may be parallel to the outer surface of the bell mouse 202 .
  • a gap 203d through which the recirculation air flow passes may be formed between one end of the extension 203b and the rear end of the shroud 113 .
  • the gap 203d may have a ring shape.
  • the recirculation airflow flowing through the recirculation passage 40 may pass through the gap 203d to move to the suction port 111 of the fan 110 .
  • the airflow guide 203 may form an opening 203a communicating with the inlet 111 .
  • the opening 203a may be formed inside the annular airflow guide 203 .
  • the extension 203b may form an opening 203a. That is, the extension 203b may correspond to a sidewall of the opening 203a.
  • the opening 203a may be formed in a circular shape.
  • the bell mouth 202 may pass through the airflow guide 203 , and may guide air directly to the inlet 111 of the fan 110 .
  • the bell mouth 202 may be disposed behind the fan 110 .
  • Air introduced through the inlet 12 and passed through the filter unit 400 may flow inside the bell mouth 202 (hereinafter, referred to as an intake air flow).
  • the rear end of the bell mouth 202 may be disposed at the rear of the airflow guide 203
  • the front end of the bell mouth 202 may be disposed at the front of the airflow guide 203 .
  • the front end of the bell mouth 202 may be disposed closer to the suction port 111 than the front end of the extension part 203b in the front-rear direction.
  • Bellmouth 202 is connected to the front end of the trumpet part 202a and the trumpet part 202a having a trumpet shape, the diameter of which increases from the front to the rear, and from the front end of the trumpet part 202a toward the suction port 111. It may include a pipe portion 202b extending in the front-rear direction. One end surface of the pipe part 202b cut in a plane perpendicular to the front-rear direction may be circular. However, the present invention is not limited thereto, and the bell mouse 202 may be formed of only the trumpet portion 202a having a trumpet shape whose diameter increases from the front to the rear.
  • Bellmouth 202 and airflow guide 203 may be concentric. Specifically, the pipe portion 202b of the bell mouth 202, the opening 203a of the airflow guide 203, and the inlet 111 of the fan may be concentric.
  • the outer surface of the bell mouth 202 may be disposed to be spaced apart from the extension portion 203b of the airflow guide 203 .
  • the pipe portion 203b of the bell mouth 202 may be disposed to be spaced apart from the extension portion 203b of the airflow guide 203 . That is, the diameter of the portion of the bell mouth 202 surrounded by the airflow guide 203 may be smaller than the diameter of the opening 203a of the airflow guide 203 .
  • the diameter of the pipe portion 202b of the bell mouth 202 may be smaller than the diameter of the opening 203a of the airflow guide 203 .
  • the bell mouth 202 may guide the recirculation airflow flowing out through the gap 203d to the suction port 111 .
  • a portion of the front end of the bell mouth 111 may guide the recirculation airflow flowing out through the gap 203d to the suction port 111 .
  • the pipe portion 202b of the bell mouth 202 may guide the recirculation airflow flowing out through the gap 203d to the suction port 111 .
  • a portion of the outer surface of the front end side of the pipe portion 202b may correspond to the gap 203d in the radial direction.
  • a portion of the front end-side outer surface of the pipe portion 202b may be parallel to the gap 203d in the radial direction.
  • a portion of the front end-side outer surface of the pipe portion 202b may face the gap 203d in the radial direction.
  • the recirculation airflow flowing out through the gap 203d may be guided to the suction port 111 along the outer surface of the pipe part 202b and merged with the suction airflow. In other words, the recirculation airflow may be guided approximately forward by the outer surface of the pipe portion 202b.
  • the intake airflow is guided to the suction port 111 of the fan by the inner surface of the pipe portion 202b substantially parallel to the outer surface of the pipe portion 202b.
  • the intake airflow and the recirculation airflow may be merged in front of the pipe portion 202b after being aligned so that the traveling direction is directed forward by the inner and outer surfaces of the pipe portion 202b, respectively. In this way, since the intake airflow and the recirculation airflow can be merged in a state in which they are aligned with each other, the collision angle of the intake airflow can be gentle and noise generated at the time of merging can be reduced.
  • the suction airflow and the recirculation airflow can be smoothly guided by the bell mouth 202 and the airflow guide 203, so that the blowing efficiency can be increased, and the bell mouth 202 and the airflow guide 203 can As a result, the recirculation airflow can be smoothly joined with the suction airflow, so that noise caused by the collision between the recirculation airflow and the suction airflow can be minimized.
  • the bell mouse 202 may include a deletion portion 202c formed at the front end to prevent collision with the fan 110 .
  • the pipe portion 202b may include a deletion portion 202c.
  • the deletion portion 202c may be formed at the front end of the pipe portion 202b.
  • the deletion portion 202c may refer to a portion from which the material constituting the bell mouse 202 is removed from the front end outer surface of the bell mouse 202 by a predetermined thickness.
  • the thickness of the deletion portion 202c is thinner than that of other portions, and a step may be formed between the outer surface of the deletion portion 202c and the other outer surface of the bell mouth 202 adjacent to the deletion portion 202c.
  • the diameter of the pipe portion 202b of the bell mouth 202 can be expanded by the degree of the step while avoiding the collision between the bell mouth 202 and the fan 110, the amount of air supplied to the inlet 111 is can increase and the blowing efficiency can be increased.
  • FIG. 7 to 13 are views illustrating various modified examples of the bell mouse and the airflow guide. Description of overlapping parts will be omitted.
  • the diameter of the opening 203a of the airflow guide 203 and the diameter of the inlet 111 of the fan 110 may be the same. Since the opening 203a and the suction port 111 are concentric in the front-rear direction, the front end of the extension 203b of the airflow guide 203 and the rear end of the shroud 113 may face each other.
  • the diameter of the opening 203a of the airflow guide 203 may be smaller than the diameter of the inlet 111 of the fan 110 . Since the opening 203a and the inlet 111 are concentric in the front-rear direction, the extension 203b of the airflow guide 203 may be spaced apart from the shroud 113 in the radial direction. The extension 203b of the airflow guide 203 may be spaced apart from the shroud 113 in the front-rear direction. The front end of the bell mouth 202 may be inserted into the inlet 111 and a portion of the pipe portion 202b may face the shroud 113 in a radial direction.
  • the diameter of the opening 203a of the airflow guide 203 may be larger than the diameter of the inlet 111 of the fan 110 . Since the opening 203a and the inlet 111 are concentric in the front-rear direction, the extension 203b of the airflow guide 203 may be spaced apart from the shroud 113 in the radial direction. The extension 203b of the airflow guide 203 may be spaced apart from the shroud 113 in the front-rear direction. The front end of the bell mouth 202 may be inserted into the suction port 111 and a portion of the pipe portion 202b may face the shroud 113 in a radial direction.
  • the diameter of the opening 203a of the airflow guide 203 may be smaller than the diameter of the inlet 111 of the fan 110 . Since the opening 203a and the inlet 111 are concentric in the front-rear direction, the extension 203b of the airflow guide 203 may be spaced apart from the shroud 113 in the radial direction. The front end of the bell mouth 202 may be inserted into the suction port 111 and a portion of the pipe portion 202b may face the shroud 113 in a radial direction.
  • the front end of the extended portion 203b of the airflow guide 203 is inserted into the suction port 111 so that a portion of the extended portion 203b may face the shroud 113 and the pipe portion 202b in the radial direction.
  • the radially extending portion 203b may be disposed between the shroud 113 and the pipe portion 202b.
  • the pipe part 202b In the radial direction with respect to the rotation axis R, the pipe part 202b is inside the extension part 203b, and the shroud 113 is outside the extension part 203b.
  • the diameter of the opening 203a of the airflow guide 203 may be larger than the diameter of the inlet 111 of the fan 110 . Since the opening 203a and the inlet 111 are concentric in the front-rear direction, the extension 203b of the airflow guide 203 may be spaced apart from the shroud 113 in the radial direction. The front end of the bell mouth 202 is inserted into the suction port 111 so that a portion of the pipe portion 202b may face the shroud 113 in a radial direction.
  • the front end of the extended portion 203b of the airflow guide 203 may be disposed outside the shroud 113 , and a portion of the extended portion 203b may face the shroud 113 in a radial direction.
  • the shroud 113 may be disposed between the extension portion 203b and the pipe portion 202b.
  • the pipe portion 202b is inside the shroud 113
  • the extension portion 203b is outside the shroud 113 .
  • the diameter of the opening 203a of the airflow guide 203 and the diameter of the inlet 111 of the fan 110 may be the same. Since the opening 203a and the suction port 111 are concentric in the front-rear direction, the front end of the extension 203b of the airflow guide 203 and the rear end of the shroud 113 may face each other. A portion of the inner wall 201 connected to the bent portion 203c may be parallel to a plane perpendicular to the front-rear direction. That is, it may be formed parallel to the front or rear of the air purifier (1).
  • the front end of the bell mouth 202 may be inserted into the suction port 111 and a portion of the pipe portion 202b may face the shroud 113 in a radial direction.
  • the diameter of the opening 203a of the airflow guide 203 and the diameter of the inlet 111 of the fan 110 may be the same. Since the opening 203a and the suction port 111 are concentric in the front-rear direction, the front end of the extension 203b of the airflow guide 203 and the rear end of the shroud 113 may face each other.
  • the airflow guide 203 and the bell mouth 202 may be integrally formed.
  • the airflow guide 203 may protrude from the trumpet part 202a of the bell mouth 202 .
  • the front end of the bell mouth 202 may be inserted into the suction port 111 and a portion of the pipe portion 202b may face the shroud 113 in a radial direction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La divulgation concerne un climatiseur présentant un rendement de soufflage augmenté et un bruit d'écoulement réduit. Le climatiseur comprend : un corps principal comportant un orifice d'entrée ; un ventilateur disposé à l'intérieur du corps principal et comprenant un orifice d'aspiration ; et une enveloppe de soufflage permettant de guider, vers le ventilateur, l'air entrant à travers l'orifice d'entrée. L'enveloppe de soufflage comprend : un évasement destiné à guider, vers l'orifice d'aspiration, l'air entrant à travers l'orifice d'entrée ; et une enveloppe de ventilateur comportant un espace de réception dans lequel le ventilateur est disposé, et comportant l'évasement introduit à son intérieur, et l'enveloppe de ventilateur comprend un guide de courant d'air prenant une forme annulaire destinée à englober l'évasement et permettant de guider une partie de l'air de l'espace de réception vers l'orifice d'aspiration.
PCT/KR2021/012612 2020-11-11 2021-09-15 Climatiseur WO2022102938A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200150489A KR20220064220A (ko) 2020-11-11 2020-11-11 공기조화기
KR10-2020-0150489 2020-11-11

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WO2022102938A1 true WO2022102938A1 (fr) 2022-05-19

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WO (1) WO2022102938A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210325063A1 (en) * 2020-04-21 2021-10-21 Samsung Electronics Co., Ltd. Filter device and air cleaner having the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004027919A (ja) * 2002-06-24 2004-01-29 Keihin Corp 遠心式送風機
US20060198729A1 (en) * 2003-05-01 2006-09-07 Daikin Industries, Ltd. Multi-vane centrifugal blower
KR20150045901A (ko) * 2013-10-21 2015-04-29 린나이코리아 주식회사 원심식 팬
KR101659446B1 (ko) * 2013-11-11 2016-09-23 린나이코리아 주식회사 원심식 팬
KR102076668B1 (ko) * 2013-05-24 2020-02-12 엘지전자 주식회사 공기 조화기의 실내기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004027919A (ja) * 2002-06-24 2004-01-29 Keihin Corp 遠心式送風機
US20060198729A1 (en) * 2003-05-01 2006-09-07 Daikin Industries, Ltd. Multi-vane centrifugal blower
KR102076668B1 (ko) * 2013-05-24 2020-02-12 엘지전자 주식회사 공기 조화기의 실내기
KR20150045901A (ko) * 2013-10-21 2015-04-29 린나이코리아 주식회사 원심식 팬
KR101659446B1 (ko) * 2013-11-11 2016-09-23 린나이코리아 주식회사 원심식 팬

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210325063A1 (en) * 2020-04-21 2021-10-21 Samsung Electronics Co., Ltd. Filter device and air cleaner having the same
US11965674B2 (en) * 2020-04-21 2024-04-23 Samsung Electronics Co., Ltd. Filter device and air cleaner having the same

Also Published As

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