WO2018169316A1 - Ventilateur de refroidissement et dispositif de refroidissement de siège le comprenant - Google Patents

Ventilateur de refroidissement et dispositif de refroidissement de siège le comprenant Download PDF

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Publication number
WO2018169316A1
WO2018169316A1 PCT/KR2018/003022 KR2018003022W WO2018169316A1 WO 2018169316 A1 WO2018169316 A1 WO 2018169316A1 KR 2018003022 W KR2018003022 W KR 2018003022W WO 2018169316 A1 WO2018169316 A1 WO 2018169316A1
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WO
WIPO (PCT)
Prior art keywords
air
bypass passage
fan
air inlet
edge
Prior art date
Application number
PCT/KR2018/003022
Other languages
English (en)
Korean (ko)
Inventor
김병수
Original Assignee
주식회사 아모텍
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
Priority claimed from KR1020170144650A external-priority patent/KR101990108B1/ko
Application filed by 주식회사 아모텍 filed Critical 주식회사 아모텍
Priority to CN201880009018.4A priority Critical patent/CN110291296B/zh
Priority to US16/480,763 priority patent/US11420544B2/en
Priority to EP18768303.2A priority patent/EP3597929B1/fr
Publication of WO2018169316A1 publication Critical patent/WO2018169316A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • 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
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • 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
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/422—Discharge tongues
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/50—Inlet or outlet
    • F05B2250/501—Inlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise

Definitions

  • the present invention relates to a cooling fan having a cooling action and a seat cooling device having the same.
  • a vehicle seat is mainly used as a cooling seat for cooling the summer seat.
  • the cooling seat is provided with a seat cooling device including a cooling fan.
  • a cooling fan is mainly used to prevent overheating of an electronic product or overheating of a lighting device.
  • the cooling fan blows air while cooling the blade while the blade is rotated according to the driving of the motor. If there is a sudden increase or a load that blocks the flow of air, the wind pressure is high, there is a problem that the noise is generated and the motor is overloaded.
  • a conventional centrifugal blower is provided with a vane connected to a rotating shaft in a casing having an air inlet and an air outlet, as disclosed in Korean Utility Model Publication No. 20-0332249 (October 27, 2003).
  • a backwind prevention plate is installed at the upper end between the air inlet and the air inlet, and a backwind prevention ring is installed in the connection space between the van and the air inlet, thereby preventing the backwind from occurring and reducing noise.
  • Such a conventional centrifugal blower can prevent the air discharged in the radial direction during the low power is smoothly discharged through the air outlet and inflow of the air in the reverse direction by the backwind prevention plate.
  • An object of the present invention is to provide a cooling fan that can minimize the noise by bypassing the air flowing in the reverse direction of the air discharged to the air discharge port to generate a high output or air flow to the outside, and to prevent the overload of the motor and the same It is to provide a seat cooling device.
  • Another object of the present invention is to provide a cooling fan and a seat cooling device having the same, which can improve the blowing efficiency while minimizing noise by removing the bell mouse formed in the air inlet.
  • the cooling fan of the present invention has a fan housing in which an air inlet through which air is introduced and an air outlet through which air is discharged on a side thereof is mounted, and is mounted inside the fan housing to introduce air in an axial direction and radially. It includes an impeller for discharging air, a bypass passage is formed at the edge of the air inlet can discharge the air traveling in the reverse direction of the air discharge port to the outside.
  • An air intake passage through which air is sucked is formed inside the fan housing, an air discharge passage through which air is discharged is formed outside the impeller, and the bypass passage is formed to communicate with the air discharge passage.
  • the bypass passage may be formed to extend outwardly from an edge of the air inlet so that the air discharge passage may be exposed to the outside.
  • the bypass passage may be divided into a plurality of zones by connecting radially formed support ribs to an air inlet.
  • the bypass passage may be formed at a predetermined interval in the circumferential direction at the edge of the air inlet, it may be formed in a range of 90 ⁇ 180 degrees at the position where the air discharge port is formed.
  • the bypass passage may be formed at 360 degrees at predetermined intervals on the edge of the air inlet.
  • the bypass passage is formed such that the first bypass passage portion exposes the air discharge passage at a position where the air discharge port is formed, and a second bypass portion at the remaining edge except for the first bypass passage portion among the circumferential edges of the air inlet.
  • a passage portion may be formed, and the second bypass passage may have a smaller area than the first bypass passage portion.
  • the bypass passage may be formed at 2 to 6 at regular intervals in the circumferential direction at the edge of the air inlet.
  • the bypass passage has a first bypass passage formed at a predetermined interval in the circumferential direction at the edge of the air inlet, a second bypass passage is formed between the first bypass passage, the second bypass passage is The area may be smaller than that of the first bypass passage.
  • the cooling fan of the present invention forms a bypass passage at the edge of the air inlet of the fan housing to discharge the air traveling in the opposite direction to the outside to prevent noise from being generated by the flow resistance of the air, and blowing efficiency Can improve.
  • FIG. 1 is a perspective view of a cooling fan according to a first embodiment of the present invention.
  • FIG 2 is a cross-sectional view of a cooling fan according to a first embodiment of the present invention.
  • FIG 3 is a plan view of the fan housing showing the bypass passage according to the first embodiment of the present invention.
  • FIG. 4 is a plan view of a fan housing illustrating a bypass passage according to a second exemplary embodiment of the present invention.
  • FIG. 5 is a plan view of a fan housing illustrating a bypass passage according to a third exemplary embodiment of the present invention.
  • FIG. 6 is a plan view of a fan housing illustrating a bypass passage according to a fourth exemplary embodiment of the present invention.
  • FIG. 7 is a plan view of a fan housing illustrating a bypass passage according to a fifth exemplary embodiment of the present invention.
  • FIG 8 is a plan view of a fan housing showing a bypass passage according to a sixth embodiment of the present invention.
  • FIG. 9 is a side view of the seat cooling apparatus according to the present invention.
  • FIG. 10 is a cross-sectional view of the seat cooling apparatus according to the present invention.
  • Figure 11 is a graph comparing the air flow rate compared to the cooling fan and the general cooling fan according to the present invention.
  • the cooling fan of the present invention has a fan housing in which an air inlet port 14 through which air is introduced is formed on the front surface 12, and an air outlet port 18 through which air is discharged is formed on the side surface 16.
  • the fan unit 20 is a fan in which air is introduced in the axial direction and air is discharged in the radial direction.
  • the fan unit 20 includes a rotation shaft 42 rotatably supported by the support part 40 formed in the fan housing 10, and the support part 40.
  • the stator 50 fixed to the outer circumferential surface of the head
  • the rotor 60 fixed to the rotary shaft 42 and rotated together with the rotary shaft 42, and the rotor 60 and the rotary shaft 42 integrally with the shaft.
  • Air impeller 70 is sucked in the direction and the air is discharged in the radial direction.
  • the stator 50 includes a stator core 52 fixed to an outer circumferential surface of the support part 40, and a coil 54 wound around the stator core 52 and to which power is applied.
  • the rotor 60 has a magnet 62 formed in an annular shape with a predetermined gap on the outer circumferential surface of the stator 50, and a rotor support (in which the magnet 62 is fixed and the rotary shaft 42 and the impeller 70 are integrally formed). 64).
  • the first bearing 44 and the second bearing 46 are mounted inside the support part 40 to rotatably support the rotating shaft 42.
  • the impeller 70 includes a hub 72 integrally formed with the rotor support 64, a blade 74 formed in the circumferential direction on the outer circumferential surface of the hub 72 to generate a blowing force, and an edge of the blade 74. Is formed in a ring shape to include a ring portion 76 through which air is discharged.
  • a protective rib 16 is radially formed in the air inlet 14 formed in the front surface 12 of the fan housing 10 to protect the impeller 70.
  • an air discharge port 18 through which air is discharged in a radial direction is formed at the side surface 16 of the fan housing 10.
  • the inside of the fan housing 10 is divided into an air intake passage 80 that corresponds to the inner part of the impeller and the air is sucked in, and an air discharge passage 82 that corresponds to the outer part of the impeller and the air is discharged.
  • the cooling fan is sucked in the axial direction through the air inlet 14 and discharged radially through the air outlet (18). At this time, since the air flow is not much at the time of low output of the cooling fan, the air flows smoothly, and noise due to the flow resistance of the air is not generated.
  • bypass passageway 90 is formed at the edge of the air intake port 14 of the fan housing 10 to minimize noise generation while maintaining the.
  • the bypass passage 90 of the present invention can maintain the blowing performance by preventing the air discharged through the air discharge port 18 from flowing into the bypass passage 90 at the low output of the cooling fan, and only the air flowing in the reverse direction is bypassed. It is discharged through the pass passage 90 to reduce the noise.
  • the bypass passage 90 is formed to communicate with the air discharge passage 82 of the fan housing 10 on the front surface 12 of the fan housing 10 so that the air traveling in the reverse direction is bypassed in the axial direction.
  • the bypass passage 90 is formed at an edge of the air inlet 14 and is formed by an interval L at the outer surface of the impeller 70 so as to be in communication with the air discharge passage 82 of the fan housing 10. 82) is exposed to the outside. That is, the bypass passage 90 is formed outwardly from the outer surface of the impeller 70 so that the air discharge passage 82 is exposed so that the air traveling in the reverse direction is discharged to the outside through the bypass passage 90.
  • the bypass passage 90 may be connected to the support ribs 16 radially formed at the air inlet 14 to form a plurality of zones in a divided form.
  • the cooling fan receives air in the axial direction through an air inlet 14 formed in the front surface 12 of the fan housing 10, and has a radius through the air outlet 16 formed in the side surface 14 of the fan housing 10. Air is discharged in the direction. Therefore, at low power, air in the positive pressure region 82 of the fan housing 10 is discharged in a radial direction so that air is not discharged to the bypass passage 90 formed in the axial direction of the fan housing 10. Even if the air is discharged, the amount is small so as not to affect the blowing amount.
  • the bypass passage 90 according to the first embodiment is formed at regular intervals in the circumferential direction at the edge of the air inlet 14, as shown in FIG. 3, and is in a range of 90 to 180 degrees close to the air outlet 18. Is formed.
  • bypass passage 90 is formed to extend outwardly from the edge of the air inlet 14 so that the air discharge passage 82 of the fan housing 10 is exposed to the outside.
  • bypass passage 90 is formed only in the vicinity of the air discharge port 18 so that the air traveling in the reverse direction from the air discharge port is discharged.
  • the bypass passages 92 and 94 are formed at regular intervals at positions close to the air discharge ports 18 and are formed to expose the air discharge passages 82 to the outside.
  • the first bypass passage 94 and the circumferential edges of the air inlet 14 are formed at the remaining edges except for the first bypass passage 94, so that the air discharge passage 82 is not exposed.
  • the second bypass passage portion 92 is formed to have a smaller area than the bypass passage portion 94.
  • the first bypass passage portion 94 may be formed in a range of 90 to 180 degrees close to the air discharge port 18.
  • the first bypass passage portion 94 serves the same role as the bypass passage 90 described in the first embodiment, and the second bypass passage portion 92 has an area of the first bypass passage portion ( 94 so as to expand the intake area of the air and not to be discharged to the first bypass passage 94 but to be discharged to the air suction passage 80 of the fan housing 10 to be discharged secondly. do.
  • the bypass passage 96 according to the third embodiment is formed at regular intervals throughout the circumference of 360 degrees in the circumferential direction at the edge of the air inlet 14, so that the bypass passage described in the first embodiment is described.
  • the area of 90 is expanded to improve the bypass efficiency of the air traveling in the reverse direction.
  • the bypass passages 102 and 104 are formed at positions close to the air discharge ports 18 and are formed such that the air discharge passages 82 are not exposed to the outside.
  • the first bypass passage is formed at the remaining edge of the passage portion 104 and the circumferential edge of the air inlet 14 except for the first bypass passage portion 104, and the air discharge passage 82 is exposed to the outside.
  • the second bypass passage portion 102 is formed to have a larger area than the portion 104.
  • the bypass passages 150 according to the fifth embodiment are formed at two to six at equal intervals in the circumferential direction at the edge of the air inlet 14.
  • the bypass passage 150 is formed in the same structure as the bypass passage 90 described in the first embodiment.
  • the edge of the air inlet 14 is formed in a flat shape rather than a curved shape such as a bell mouse shape to prevent noise from being generated.
  • a curved shape such as a bell mouse shape
  • bypass passage 150 is less than two, it is difficult to play a role of reducing noise due to the small amount of air discharged in the reverse direction, and if more than six, leakage occurs in the discharged air, which may cause a problem of reducing the airflow amount.
  • the bypass passages 150 are formed at intervals of 180 degrees in the circumferential direction of the air inlet when two are formed, and are formed at 120 degree intervals when the three are formed, and are formed at 90 degree intervals when the four are formed, and at 72 degree intervals when the five are provided. If six, it is formed at intervals of 60 degrees.
  • the bypass passage 150 is arranged at equal intervals in the circumferential direction so that the air traveling in the reverse direction can be sequentially discharged.
  • the bypass passage 150 includes a first bypass passage portion 152, a first bypass passage portion 154, and a third bypass passage portion 156 formed at intervals of 120 degrees. ) Can satisfy the conditions for maintaining the air flow while minimizing the noise.
  • the bypass passage 170 includes a first bypass passage portion 172 formed at equal intervals in the circumferential direction at the edge of the air inlet 14, and the first passage passage 172.
  • a second bypass passage portion 174 is disposed between the first bypass passage portion 172 and smaller in area than the first bypass passage portion 172.
  • the first bypass passage portion 172 has a large area so that the air discharge passage 82 is exposed to the outside, and the second bypass passage portion 174 has a first area so that the air discharge passage 82 is not exposed. The area is smaller than that of the bypass passage portion 172.
  • the first bypass passages 172 are formed in two to six at equal intervals, and the second bypass passage portion 174 is also formed in two to six at equal intervals. More preferably, three first bypass passages 172 are formed at equal intervals, and three second bypass passage portions 174 are also formed at equal intervals to satisfy the optimal conditions for reducing noise and preventing air flow decrease. Can be.
  • FIG. 9 is a side view of a cooling seat in which the seat cooling apparatus according to the present invention is installed, and FIG. 10 is a cross-sectional view of the seat cooling apparatus according to an embodiment of the present invention.
  • the seat cooling device connects the cooling fan 200 for blowing air required for sheet cooling to the seat 220 by connecting the cooling fan 200 and the seat 220 to the seat 220.
  • Duct 210 An air passage is formed inside the seat to evenly distribute the air supplied through the duct throughout the seat.
  • the same cooling fan as the cooling fan described in the above embodiments is applied.
  • the duct 210 is disposed in the horizontal direction to connect the air outlet 18 of the cooling fan to the first connection part 212, and is disposed in the vertical direction to connect to the air passage of the seat 220. And a first vertical guide portion 230 in which the air discharged from the cooling fan 200 is guided in the vertical direction, and a horizontal guide portion 232 for guiding the air guided in the first vertical guide portion 230 in the horizontal direction. And a second vertical guide portion 234 for guiding the air guided by the horizontal guide portion 232 in the vertical direction.
  • the duct 210 may be provided with a filter for filtering the foreign matter contained in the air discharged from the cooling fan.
  • Such a seat cooling device has a complicated flow path of the duct due to the characteristic of cooling the seat, and the cooling seat has a lot of resistance to the air discharged from the blowing fan because the air passage through which the air is discharged is small and complicated. Therefore, some of the air discharged to the discharge port of the blower fan is introduced into the blower fan in the reverse direction, the noise is generated while hitting the air discharged from the blower fan, and the motor is overloaded.
  • FIG 11 is a graph comparing the air flow rate compared with the RPM of the blower fan and the conventional blower fan is formed according to the present invention.
  • the blowing fan of the present invention and the existing blowing fan is generated at the same RPM at the same RPM in the practical use band. Therefore, the blowing fan of the present invention can minimize the generation of noise while generating the same air volume as the existing blowing fan in the practical use band.
  • the present invention is installed in a cooling sheet, high-performance electronics or lighting fixtures to perform the function of dissipating heat, minimize the generation of noise and improve the blowing efficiency is suitable for use as a cooling fan of the air-cooled cooling device.

Abstract

La présente invention concerne un ventilateur de refroidissement comprenant : un boîtier de ventilateur comportant une entrée d'air formée au niveau de sa surface avant, à travers laquelle de l'air est introduit, et une sortie d'air formée au niveau de sa surface latérale, à travers laquelle de l'air est évacué ; et une roue montée dans le boîtier de ventilateur de façon à introduire de l'air dans le boîtier de ventilateur dans la direction axiale de celui-ci et à évacuer l'air du boîtier de ventilateur dans la direction radiale de celui-ci, le boîtier de ventilateur comprenant un passage de dérivation pour évacuer, vers l'extérieur, de l'air s'écoulant dans la direction de contre-courant vers l'air évacué à partir de la sortie d'air, moyennant quoi la production de bruit peut être réduite au minimum et l'efficacité de soufflage peut être améliorée par l'évacuation, vers l'extérieur, de l'écoulement d'air à contre-courant pendant le fonctionnement à puissance élevée du ventilateur de refroidissement.
PCT/KR2018/003022 2017-03-17 2018-03-15 Ventilateur de refroidissement et dispositif de refroidissement de siège le comprenant WO2018169316A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880009018.4A CN110291296B (zh) 2017-03-17 2018-03-15 冷却风扇及具有其的座椅冷却装置
US16/480,763 US11420544B2 (en) 2017-03-17 2018-03-15 Cooling fan and seat cooling device comprising same
EP18768303.2A EP3597929B1 (fr) 2017-03-17 2018-03-15 Ventilateur de refroidissement et dispositif de refroidissement de siège le comprenant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170034020 2017-03-17
KR10-2017-0034020 2017-03-17
KR10-2017-0144650 2017-11-01
KR1020170144650A KR101990108B1 (ko) 2017-03-17 2017-11-01 쿨링 팬 및 이를 구비한 시트 쿨링장치

Publications (1)

Publication Number Publication Date
WO2018169316A1 true WO2018169316A1 (fr) 2018-09-20

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Application Number Title Priority Date Filing Date
PCT/KR2018/003022 WO2018169316A1 (fr) 2017-03-17 2018-03-15 Ventilateur de refroidissement et dispositif de refroidissement de siège le comprenant

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CN (1) CN110291296B (fr)
WO (1) WO2018169316A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115768084A (zh) * 2022-12-10 2023-03-07 江苏瑞普森电路科技有限公司 一种集成电路的散热装置
WO2023117469A1 (fr) * 2021-12-22 2023-06-29 Mahle International Gmbh Dispositif de ventilation pour chaise

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114542490A (zh) * 2020-11-24 2022-05-27 台达电子工业股份有限公司 离心风扇

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