WO2016158251A1 - Dispositif de soufflage d'air - Google Patents

Dispositif de soufflage d'air Download PDF

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Publication number
WO2016158251A1
WO2016158251A1 PCT/JP2016/057231 JP2016057231W WO2016158251A1 WO 2016158251 A1 WO2016158251 A1 WO 2016158251A1 JP 2016057231 W JP2016057231 W JP 2016057231W WO 2016158251 A1 WO2016158251 A1 WO 2016158251A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
air
passage
axis
shaft center
Prior art date
Application number
PCT/JP2016/057231
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English (en)
Japanese (ja)
Inventor
康裕 関戸
加藤　慎也
隆仁 中村
大介 榊原
Original Assignee
株式会社デンソー
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 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2016158251A1 publication Critical patent/WO2016158251A1/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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • 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

Definitions

  • This disclosure relates to a blower.
  • Patent Document 1 Conventionally, as this type of blower, for example, there is one described in Patent Document 1.
  • the air blower described in this patent document 1 is a centrifugal blower. And the air blower of the patent document 1 is provided with the centrifugal fan and the pre-revolving device provided in the air flow upstream with respect to the centrifugal fan.
  • the pre-swirler has a plurality of wings extending radially outward from the central hub. The pre-swirler blades are configured to cooperate with the centrifugal fan to reduce the noise of the blower and maximize the efficiency of the blower.
  • the pre-swivel unit included in the air blower of Patent Document 1 merely changes the direction of the wind, and does not have a function of increasing the air volume by blowing air like a fan. Therefore, the pre-swirler has only an auxiliary role to improve the performance of the centrifugal fan provided on the downstream side of the air flow of the pre-swirler.
  • a centrifugal first fan that rotates about the first fan axis to suck air from the axial direction of the first fan axis and blows the sucked air radially outward;
  • a centrifugal second fan that sucks air from the axial direction of the second fan axis and blows the sucked air radially outward by rotating in the same direction as the first fan around the second fan axis;
  • Air blown out from the first fan flows in as a swirling flow that turns in the same direction as the first fan, and forms a wind guide passage that guides the swirling flow that flows into the second fan while maintaining the swirling direction of the swirling flow.
  • a wind guide portion that guides the swirling flow that flows into the second fan while maintaining the swirling direction of the swirling flow.
  • the second fan rotates in the same direction as the first fan, and at the same time, the air blown from the first fan flows into the air guide passage as a swirling flow that rotates in the same direction as the first fan.
  • the air guide passage guides the swirling flow that has flowed into the second fan while maintaining the swirling direction of the swirling flow.
  • the 2nd fan can inhale the air used as the swirling flow swirled in the same direction as the 2nd fan by rotation of the 1st fan. Therefore, the performance of the second fan can be improved by utilizing the swirl flow that is the air blown from the first fan.
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1 in the first embodiment.
  • FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 in the first embodiment.
  • FIG. 5 is a VV cross-sectional view of FIG. 4 in the second embodiment.
  • FIG. 6 is a VI-VI cross-sectional view of FIG.
  • the vehicle air conditioner 90 includes a cooling heat exchanger 92a that cools the air and a heating heat exchanger 92b that heats the air.
  • the blower 10 is provided on the downstream side of the air flow with respect to the cooling heat exchanger 92a and the heating heat exchanger 92b. That is, the air blower 10 is a suction type air blower that sucks in air that has flowed out from one or both of the cooling heat exchanger 92a and the heating heat exchanger 92b.
  • the cooling heat exchanger 92a and the heating heat exchanger 92b are simply referred to as the heat exchanger 92 unless otherwise distinguished.
  • the first fan housing portion 12 is provided on one side with respect to the first fan 14 housed in the first fan housing portion 12 along the first fan axis CL1 and on the other side.
  • the other side wall portion 122 is provided.
  • the one side wall 121 of the first fan housing part 12 is configured by a wall having a first fan axial direction DR1a that is the axial direction DR1a of the first fan axis CL1 in the thickness direction.
  • the side wall portion 121 is formed with a first fan suction port 121a. That is, the first fan suction port 121a is formed on one side of the first fan 14 along the first fan axis CL1.
  • the first fan inlet 121 a is an air inlet of the first fan 14. Accordingly, the air flowing out from the heat exchanger 92 passes through the first fan suction port 121a from the suction passage 94 provided between the heat exchanger 92 and the first fan accommodating portion 12 in the air circulation path, and is moved to the arrow FL1in. Is sucked into the first fan 14. In short, the air sucked by the first fan 14 passes through the first fan suction port 121a and is sucked into the first fan 14.
  • the first fan housing part 12 is formed with a first fan outlet 12a that opens toward the outside in the radial direction of the first fan 14.
  • the first fan outlet 12a allows the air blown out by the first fan 14 to flow out toward a predetermined portion in the passenger compartment.
  • a duct is connected to the first fan air outlet 12a, and air flowing out from the first fan air outlet 12a as indicated by an arrow FL1r is guided by the duct to an air outlet opening opened in the instrument panel.
  • the first fan 14 is an impeller as a centrifugal fan, and more specifically a turbo fan.
  • the first fan 14 is made of, for example, metal or resin.
  • the first fan 14 has a plurality of blades 142 disposed around the first fan axis CL1.
  • the first fan 14 is connected to a fan motor (not shown), and is rotated around the first fan axis CL1 by the fan motor as indicated by an arrow RT1. That is, the first fan 14 is rotated about the first fan axis CL1. Then, the first fan 14 rotates around the first fan axis CL1 as indicated by the arrow RT1, thereby sucking air from the first fan inlet 121a side which is one of the first fan axial directions DR1a, The sucked air is blown out radially outward as indicated by an arrow FL1out.
  • the first fan 14 sucks air that flows out of the heat exchanger 92 and flows through the suction passage 94 from the first fan suction port 121a to the plurality of blades 142, and sucks the sucked air into the blades. It blows out to the radial direction outer side between 142.
  • the entire passage connection port 122 a of the first fan accommodating portion 12 is provided on the radially outer side of the first fan 14 with respect to the first fan 14.
  • the wind guide unit 16 guides air from the first fan 14 to the second fan 20.
  • the air guide portion 16 forms an air guide passage 161 and is made of, for example, resin. At least a part of the air blown from the first fan 14 flows into the air guide passage 161, and the air guide passage 161 guides the inflow air to the second fan 20.
  • the 2nd fan accommodating part 18 has comprised the box shape as shown in FIG.1 and FIG.3.
  • the 2nd fan accommodating part 18 is a fan case which accommodates the 2nd fan 20, for example, is comprised with resin.
  • the 2nd fan accommodating part 18 is comprised integrally with the 1st fan accommodating part 12 and the airflow guidance part 16, for example,
  • the 1st fan accommodating part 12, the airflow guidance part 16, and the 2nd fan accommodating part 18 are the whole.
  • the outer shell of the blower 10 is formed.
  • the accommodating parts 12 and 18 and the air guide part 16 may constitute a part of an air conditioning case which is an outer shell of an air conditioning unit installed in the vehicle interior of the vehicle air conditioner 90.
  • 3 is a cross-sectional view taken along the line III-III in FIG.
  • the second fan housing 18 is provided with a second fan outlet 18a that opens outward in the radial direction of the second fan 20.
  • the second fan outlet 18a allows the air blown out by the second fan 20 to flow out toward a predetermined part in the vehicle compartment.
  • a duct is connected to the second fan air outlet 18a, and air flowing out from the second fan air outlet 18a as indicated by an arrow FL2r is opened for the rear seat in the vehicle interior by the duct. It is led to the air outlet passage or the air outlet passage formed in the cushion of the front seat.
  • the one side wall part 181 of the second fan housing part 18 is configured by a wall having the second fan axial direction DR2a in the thickness direction.
  • a second fan inlet 181a is formed in the side wall 181. That is, the second fan suction port 181a is formed on one side of the second fan 20 along the second fan axis CL2.
  • the second fan inlet 181a side for the second fan 20 is the same as the first fan inlet 121a side for the first fan 14. On the side.
  • the second fan suction port 181a is an air suction port of the second fan 20. Therefore, as shown by the arrow FL12, the air blown from the first fan 14 and flows into the air guide passage 161 flows from the air guide passage 161 into the second fan suction port 181a.
  • the other side wall part 182 of the second fan housing part 18 is also formed of a wall having the first fan axial direction DR1a in the thickness direction, like the one side wall part 181. Unlike the other side wall portion 122 of the first fan housing portion 12, the other side wall portion 182 of the second fan housing portion 18 is not formed with a vent hole like the passage connection port 122a. Therefore, all the air blown out from the second fan 20 flows out from the second fan outlet 18a.
  • the second fan 20 is an impeller as a centrifugal fan, and more specifically a turbo fan.
  • the second fan 20 is the same as the first fan 14, for example, and is made of metal or resin.
  • the second fan 20 has a plurality of blades 202 arranged around the second fan axis CL2.
  • the second fan 20 is connected to a fan motor (not shown), and is rotated around the second fan axis CL2 by the fan motor as indicated by an arrow RT2. That is, the second fan 20 is rotated about the second fan axis CL2. Then, the second fan 20 rotates around the second fan axis CL2 as indicated by the arrow RT2, thereby sucking air from the second fan suction port 181a side which is one of the second fan axial directions DR2a. Blows inhaled air outward in the radial direction.
  • the second fan 20 sucks air flowing through the air guide passage 161 as indicated by an arrow FL12 from between the plurality of blades 202 through the second fan suction port 181a, and sucks the sucked air into the blade 202. Blows out from each other radially outward.
  • the second fan 20 rotates in the same direction as the first fan 14.
  • the first fan 14 is disposed on the same side as the second fan suction port 181a side with respect to the second fan 20 in the second fan axial direction DR2a.
  • the fan motor that rotates the second fan 20 is shared with, for example, the fan motor that rotates the first fan 14, and the first fan 14 and the second fan 20 are connected by a single rotating shaft. Also good.
  • the air blown out from the first fan 14 is a swirling flow that rotates in the same direction as the first fan 14 (for example, the same direction as the arrow RT1). It flows into the air guide passage 161. Then, as shown by an arrow FL2in in FIG. 3, the air guide passage 161 maintains the turning direction of the swirling flow (that is, the same rotational direction as the arrow RT1 in FIG. 2) while maintaining the swirling flow. 2 Lead to the fan 20. Thereby, the second fan 20 that rotates in the same direction as the first fan 14 sucks the air that has turned in the same direction as the second fan 20 from the second fan suction port 181a.
  • the passage connection port 122 a of the first fan housing portion 12 is provided on the radially outer side of the first fan 14 with respect to the first fan 14. Thereby, the air blown out from the first fan 14 that is a centrifugal fan and hits the inner wall surface of the first fan housing portion 12 is smoothly guided to the air guide passage 161.
  • the passage connection port 122a of the first fan housing portion 12 is formed to extend in the circumferential direction of the first fan 14. Therefore, compared with the case where the length of the circumferential direction is shorter than this embodiment, when the air blown from the 1st fan 14 flows into the channel
  • FIG. 4 is a cross-sectional view showing a schematic configuration of the blower 10 of the present embodiment, and corresponds to FIG. 1 of the first embodiment.
  • the vehicle air conditioner 90 and the heat exchanger 92 are the same as in the first embodiment, and therefore the display of the vehicle air conditioner 90 and the heat exchanger 92 is omitted in FIG. This also applies to the drawings after FIG.
  • the air guide passage 161 has two air flow upstream ends, and one of the air flow upstream ends is connected to the first passage. The other end is connected to the second passage connection port 122b.
  • the air guide passage 161 is formed symmetrically with respect to the respective fan shaft centers CL1 and CL2 in the radial direction of the first fan shaft center CL1 and the second fan shaft center CL2. Then, as indicated by arrows FL12a and FL12b, the air blown from the first fan 14 flows in parallel from the first passage connection port 122a and the second passage connection port 122b to the air guide passage 161, and in the air guide passage 161. After merging, it flows to the second fan suction port 181a.
  • the second fan 20 is compared with the configuration in which there is one passage connection port 122a as in the first embodiment.
  • the effect of causing a pre-turn in the sucked air can be greatly obtained.
  • the first passage connection port 122a and the second passage connection port 122b are arranged symmetrically in the radial direction of the first fan 14 with the first fan 14 interposed therebetween, so The effect to be generated can be further increased.
  • FIG. 7 is a cross-sectional view taken along the line II-II of FIG. 1 in the present embodiment, and corresponds to FIG. 2 of the first embodiment.
  • FIG. 8 is a cross-sectional view taken along the line III-III of FIG. 1 in the present embodiment, and corresponds to FIG. 3 of the first embodiment.
  • the shape of the passage connection port 122a formed in the first fan accommodating portion 12 is different from that in the first embodiment.
  • this embodiment is a modification based on 1st Embodiment, it is also possible to combine this embodiment with the above-mentioned 2nd Embodiment.
  • FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG. 1 in the present embodiment. As shown in FIG. 9, in this embodiment, the shape of the air guide passage 161 formed by the air guide unit 16 is different from that of the first embodiment.
  • the air guide passage 161 includes an inclined passage 162 through which air flows in a direction inclined with respect to the first fan axis CL1.
  • the inclined passage 162 is provided on the upstream side of the air flow in the air guide passage 161 and is connected to the passage connection port 122 a of the first fan housing portion 12. That is, the inclined passage 162 is extended from the passage connection port 122a.
  • the air flow direction DRic in the inclined passage 162 is decomposed into the first fan axial direction DR1a and the direction orthogonal to the first fan axis CL1 in the cross section shown in FIG. Is decomposed into two-way components DR1ic and DR2ic shown in FIG. That is, the air flow direction DRic in the inclined passage 162 is decomposed into a first direction component DR1ic in the first fan axial direction DR1a and a second direction component DR2ic orthogonal to the first fan axial center CL1.
  • the air passage direction DRic in the inclined passage 162 has the second direction component DR2ic as the direction component orthogonal to the first fan axis CL1, so that the inclined passage 162 is formed.
  • the inclined passage 162 is formed so that the air flow direction DRic in the inclined passage 162 has a second direction component DR2ic facing the same side in the fan outer peripheral movement direction DR1mv and the circumferential direction of the first fan 14. Has been.
  • this embodiment is a modification based on 1st Embodiment, it is also possible to combine this embodiment with the above-mentioned 2nd Embodiment or 3rd Embodiment.
  • FIG. 10 is a cross-sectional view showing a schematic configuration of the blower 10 of the present embodiment, and corresponds to FIG. 1 of the first embodiment. As shown in FIG. 10, in this embodiment, the positional relationship between the first fan axis CL1 and the second fan axis CL2 is different from that in the first embodiment.
  • the second fan shaft center CL2 is oriented along the first fan shaft center CL1 and is offset from the first fan shaft center CL1.
  • the second fan axis CL2 is an axis that is offset with respect to the first fan axis CL1.
  • the second fan shaft center CL2 is connected to the passage in the direction connecting the first fan shaft center CL1 and the second fan shaft center CL2 in the radial direction of the first fan 14 as compared with the first fan shaft center CL1. It is located near the mouth 122a.
  • the length of the path through which the air flows in the inclined passage 162 is shortened as compared with the first embodiment, for example, and the swirling of the air flowing through the inclined passage 162 is less likely to decay.
  • the effect of can be increased.
  • this embodiment is a modification based on 1st Embodiment, it is also possible to combine this embodiment with the above-mentioned 3rd Embodiment or 4th Embodiment.
  • FIG. 11 is a cross-sectional view showing a schematic configuration of the blower 10 of the present embodiment, and corresponds to FIG. 1 of the first embodiment.
  • the second fan axis CL2 is inclined with respect to the first fan axis CL1, and this embodiment is different from the first embodiment in this respect.
  • the entire passage connection port 122 a of the first fan housing portion 12 is provided on the radially outer side of the first fan 14 with respect to the first fan 14.
  • the passage connection port 122a may be provided so as to partially overlap the first fan 14 in the first fan axial direction DR1a.
  • the first fan 14 and the second fan 20 are both turbo fans. However, this is an example, and the first fan 14 and the second fan 20 may be centrifugal fans. For example, one or both of the first fan 14 and the second fan 20 may be sirocco fans or radial fans. There is no problem.
  • the first fan 14 sucks air from one side of the first fan axial direction DR1a by the rotation of the first fan 14.
  • the first fan 14 may be a centrifugal fan that sucks air from one and the other of the first fan axial direction DR1a, that is, from both sides.
  • a suction port similar to the first fan suction port 121 a formed in the one side wall portion 121 is formed in the other side wall portion 122 of the first fan housing portion 12.
  • the first fan outlet 12a and the second fan outlet 18a are provided, but a blower 10 that does not include the first fan outlet 12a is also conceivable.

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

Abstract

L'invention concerne un dispositif de soufflage d'air comprenant un premier ventilateur centrifuge (14), un second ventilateur (20), et une partie de guidage d'air (16). Le premier ventilateur tourne autour d'un centre axial (CL1) du premier ventilateur et, de ce fait, aspire l'air à partir de la direction axiale (DR1a) du centre axial du premier ventilateur et souffle radialement vers l'extérieur l'air aspiré. Le second ventilateur tourne autour d'un centre axial (CL2) du second ventilateur, dans la même direction que le premier ventilateur et de ce fait aspire l'air à partir de la direction axiale (DR2a) du centre axial du second ventilateur et souffle radialement vers l'extérieur l'air aspiré. La partie de guidage d'air forme un passage de guidage d'air (161). L'air soufflé à partir du premier ventilateur s'écoule dans ledit passage de guidage d'air sous forme d'un écoulement tourbillonnaire qui tourbillonne dans la même direction que le premier ventilateur. Le passage de guidage d'air guide l'écoulement tourbillonnaire s'y écoulant vers le second ventilateur tout en maintenant la direction de tourbillonnement de celui-ci.
PCT/JP2016/057231 2015-03-30 2016-03-08 Dispositif de soufflage d'air WO2016158251A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015069619A JP2018087494A (ja) 2015-03-30 2015-03-30 送風装置
JP2015-069619 2015-03-30

Publications (1)

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WO2016158251A1 true WO2016158251A1 (fr) 2016-10-06

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PCT/JP2016/057231 WO2016158251A1 (fr) 2015-03-30 2016-03-08 Dispositif de soufflage d'air

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WO (1) WO2016158251A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3712442A1 (fr) * 2019-03-20 2020-09-23 Novus air GmbH Agencement ventilateur et installation de dépoussiérage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198594U (fr) * 1985-06-03 1986-12-11
JP2003214395A (ja) * 2001-12-10 2003-07-30 Resmed Ltd 送風機
JP2007040199A (ja) * 2005-08-03 2007-02-15 Mitsubishi Heavy Ind Ltd プロペラファンのシュラウド及びプロペラファン
JP2009537735A (ja) * 2006-05-24 2009-10-29 レスメド・リミテッド Ｃｐａｐ装置用の小型で低騒音の効率的な送風機
JP2014523503A (ja) * 2011-06-24 2014-09-11 ワット フュール セル コーポレーション 遠心送風システム及び遠心送風システムを含む燃料セル

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198594U (fr) * 1985-06-03 1986-12-11
JP2003214395A (ja) * 2001-12-10 2003-07-30 Resmed Ltd 送風機
JP2007040199A (ja) * 2005-08-03 2007-02-15 Mitsubishi Heavy Ind Ltd プロペラファンのシュラウド及びプロペラファン
JP2009537735A (ja) * 2006-05-24 2009-10-29 レスメド・リミテッド Ｃｐａｐ装置用の小型で低騒音の効率的な送風機
JP2014523503A (ja) * 2011-06-24 2014-09-11 ワット フュール セル コーポレーション 遠心送風システム及び遠心送風システムを含む燃料セル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3712442A1 (fr) * 2019-03-20 2020-09-23 Novus air GmbH Agencement ventilateur et installation de dépoussiérage

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