WO2021044812A1 - 空調用ダクト装置 - Google Patents

空調用ダクト装置 Download PDF

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Publication number
WO2021044812A1
WO2021044812A1 PCT/JP2020/030579 JP2020030579W WO2021044812A1 WO 2021044812 A1 WO2021044812 A1 WO 2021044812A1 JP 2020030579 W JP2020030579 W JP 2020030579W WO 2021044812 A1 WO2021044812 A1 WO 2021044812A1
Authority
WO
WIPO (PCT)
Prior art keywords
water droplet
duct
air
droplet receiving
receiving portion
Prior art date
Application number
PCT/JP2020/030579
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勝章 奥野
竜司 水田
奈央人 谷
Original Assignee
豊和化成株式会社
キョーラク株式会社
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 豊和化成株式会社, キョーラク株式会社 filed Critical 豊和化成株式会社
Priority to CN202080056846.0A priority Critical patent/CN114206641B/zh
Priority to JP2021543669A priority patent/JP7458038B2/ja
Publication of WO2021044812A1 publication Critical patent/WO2021044812A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00564—Details of ducts or cables of air ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3414—Nozzles; Air-diffusers with means for adjusting the air stream direction
    • B60H1/3421—Nozzles; Air-diffusers with means for adjusting the air stream direction using only pivoting shutters
    • 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
    • F24F13/02—Ducting arrangements
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Definitions

  • the present invention relates to an air-conditioning duct device used in a vehicle, and more particularly to an air-conditioning duct device that prevents a malfunction due to water droplets generated in an air blowing register.
  • the air blowing register provided in the vehicle is connected to the tip of the air conditioning duct and used, but when cooled cooling air flows into the retainer that serves as the casing of the register, the retainer is cooled and the retainer is used. Condensation forms on the walls of the air conditioner, and water droplets are likely to form there. When water droplets are generated on the outer wall surface of the retainer, the water droplets easily fall down as they are, and when the electronic component is located under the register, it is necessary to prevent the water droplet from adversely affecting the electronic component.
  • a rib for water droplets is provided on the lower extension portion of the bezel of the register, and the water droplets condensed on the outer wall surface of the retainer are spread on the lower part of the bezel by the rib for water droplets. It is known that when the installation part falls, the water droplets are received by the water droplet ribs and guided to a position away from the electrical parts to flow.
  • a urethane foam sheet 42 is attached to the lower outer wall surface of the retainer 41 to suppress dew condensation on the outer wall surface of the retainer 41, and the generated water droplets are collected by the urethane foam sheet 42.
  • a structure that absorbs water is also adopted.
  • the work of attaching the urethane foam sheet 42 to the outer wall surface of the retainer 41 is complicated, and there is a problem that the number of parts and the man-hours for attaching the parts are increased, and the manufacturing cost is increased.
  • the present invention solves the above-mentioned problems, and has a simple structure, and can collect water droplets generated in a register on the duct side and prevent the influence of water droplets on other parts at low cost.
  • the purpose is to provide.
  • the air-conditioning duct device includes a duct main body, a connecting portion provided at the downstream end of the duct main body and having a tip opening, and a water droplet receiving portion provided at the lower portion of the connecting portion.
  • An insertion connection portion provided on the upstream side of the retainer of the register is inserted into the connection portion through the tip opening, and the connection portion is formed in a shape covering the insertion connection portion of the retainer to collect water droplets.
  • the portion is characterized in that it receives and collects water droplets generated on the outer surface of the wall portion of the insertion connection portion.
  • the water droplets condensed on the outer surface of the wall portion of the retainer of the register enter and be collected in the water droplet receiving portion provided at the lower part of the connection portion of the duct device, so that even if the electric component is located below the water droplet receiving portion.
  • the adverse effect of water droplets can be prevented at low cost by a simple structure.
  • the connecting portion and the water droplet receiving portion of the duct body can be configured to be inclined upward by a predetermined forward upward inclination angle with respect to the duct ventilation axis so as to raise the tip opening upward. According to this, the holding property of the water droplet received in the water droplet receiving portion is improved.
  • the water droplet receiving portion has a tray-shaped bottom surface, both sides of the tray-shaped bottom surface are provided with inclined surfaces, and the tip side is provided with inclined surfaces on the tip side. According to this, it is possible to improve the retention of water droplets received at the water droplet receiving portion by a simple structure.
  • the water droplet receiving portion is formed so as to extend forward from the vertical cross section of the connecting portion of the duct body. According to this, when the insertion connection portion of the retainer of the register is inserted into the connection portion of the duct main body, it can be easily inserted.
  • an uneven portion can be provided on the bottom surface of the water droplet receiving portion. According to this, it is possible to promote the evaporation of the water droplets accumulated in the water droplet receiving portion.
  • the duct body, the connecting portion, and the water droplet receiving portion can be integrally molded with synthetic resin. According to this, it is possible to take measures against water droplets on the duct device at low cost without increasing the number of parts.
  • water droplets generated in the register can be accumulated in the water droplet receiving portion, and the influence on others can be prevented at low cost with a simple structure.
  • FIG. 5 is a sectional view taken along line VI-VI of FIG. It is sectional drawing which shows the other embodiment. It is sectional drawing which shows still another Embodiment. It is sectional drawing of the duct device and a register which shows 2nd Embodiment. It is sectional drawing of the conventional air-conditioning duct device and a register.
  • This air-conditioning duct device is a duct device whose end is connected to the outlet side of the air-conditioning device of the vehicle and the connection portion 2 on the front end side is connected to the insertion connection portion 19 of the retainer 11 of the register 10.
  • FIG. 1 to 4 show the air-conditioning duct device of the first embodiment, and the duct main body 1 of the duct device is formed in a duct shape by being bent in a substantially L shape in a plan view.
  • An upstream side connecting portion 5 is provided at the end of the duct main body 1 connected to the air conditioner side, and a downstream connecting portion 2 is formed at the tip portion.
  • the connecting portion 2 on the tip side is provided with a tip opening 4 for inserting and connecting the retainer 11.
  • connection portion 2 of the duct body 1 is formed so as to cover the insertion connection portion 19 provided in the retainer 11 of the register 10, and as shown in FIG. 5, the insertion connection portion 19 of the retainer 11 is formed from the tip opening 4 into the connection portion 2. It is inserted into and connected. Further, a water droplet receiving portion 3 for receiving water droplets generated on the outer surface of the wall portion of the insertion connecting portion 19 is provided below the connecting portion 2.
  • the water droplet receiving portion 3 provided at the lower portion (bottom portion) of the connecting portion 2 of the duct main body 1 has a tray-shaped bottom surface 8 and is formed in a tray shape, and the tray-shaped bottom surface 8 is formed. Both side inclined surfaces 6 are provided on both sides of the above, and the tip side inclined surfaces 7 are provided on the tip side. Further, as shown in FIG. 5, the water droplet receiving portion 3 is formed in a shape protruding forward from the vertical cross section A of the connecting portion 2 of the duct main body 1, whereby the tip opening 4 is obliquely inclined.
  • the connecting portion 2 of the duct main body 1 is formed so as to be inclined upward by a forward upward inclination angle ⁇ with respect to the duct ventilation axis H1 so as to raise the tip opening 4 upward. That is, the duct ventilation axis H1 is an axis along the ventilation direction in the ventilation path of the duct main body 1, and the axis H2 of the connecting portion 2 is inclined diagonally upward with a forward upward inclination angle ⁇ with respect to the duct ventilation axis H1. ing.
  • the water droplet receiving portion 3 is provided in the connecting portion 2 of the duct main body 1, and the water droplet receiving portion 3 is inclined upward by the forward upward inclination angle ⁇ together with the connecting portion 2. Therefore, the tray-shaped bottom surface 8 of the water droplet receiving portion 3 also has its front portion inclined upward by a forward upward inclination angle ⁇ with respect to the horizontal plane. As a result, as shown in FIG. 5, when water droplets generated on the outer wall of the retainer 11 of the register 10 fall, they are received by the water droplet receiving portion 3 and the water droplets are accumulated and held there.
  • the register 10 is configured by attaching a rotating louver 12 to the inside of the downstream front portion of the retainer 11 formed in a tubular shape, and the damper plate 17 is formed in the ventilation passage 11a on the upstream side. Can open and close the ventilation passage, and is pivotally supported via the support shafts on both sides.
  • the rotating louver 12 the rear movable fin 14 is arranged on the rear upstream side, the front movable fin 13 is arranged on the front downstream side, and the front movable fin 13 and the rear movable fin 14 are arranged in the directions orthogonal to each other. It is provided to form a cross-fin type rotating louver 12.
  • the rear movable fins 14 have a plurality of rear fins 14a arranged vertically, and each rear fin 14a is rotatably supported on the left and right via support shafts provided at the upper and lower portions, and the rear fins 14a are laterally supported.
  • the fins 14a are arranged side by side.
  • the front movable fins 13 have a plurality of front fins 13a arranged in a direction orthogonal to the rear fins 14a, and each front fin 13a is rotatably supported vertically via support shafts provided on both the left and right sides. They are arranged side by side in the direction.
  • An operation knob 16 is slidably attached to the front fin 13a in the longitudinal direction of the front fin 13a, and an engaging leg portion provided at the rear portion of the operation knob 16 engages with the rear fin 14a.
  • an insertion connection portion 19 having an upstream opening 18 is formed on the upstream side of the retainer 11 of the register 10, and the insertion connection portion 19 is the tip of the connection portion 2 provided at the tip of the duct body 1. It is inserted into and connected to the connecting portion 2 through the opening 4. Urethane foam or the like is inserted between the insertion connection portion 19 of the register 10 and the connection portion 2 of the duct body 1 so as to fill a gap.
  • the duct body 1, the connecting portion 2, and the water droplet receiving portion 3 can be integrally molded by extrusion blow molding, extrusion foam blow molding, or the like using a synthetic resin material. As a result, the water droplet receiving portion 3 can be provided at low cost without increasing the number of parts.
  • the air flow supplied from the air conditioner is sent into the duct from the upstream connection portion 5 of the duct main body 1.
  • the air flow sent into the duct body 1 enters the register 10 through the upstream opening 18 of the retainer 11 through the connecting portion 2, passes through the rotating louver 12 from the damper plate 17, and blows air from the bezel 15. The air is blown forward from the exit.
  • the wall portion of the retainer 11 is cooled when the cold air passes through the retainer 11 of the register 10. If this condition continues during the rainy season or the like, dew condensation will occur on the outer surface of the wall portion of the retainer 11, and water droplets will adhere to the outer surface of the wall portion.
  • the connecting portion 2 of the duct main body 1 is inclined upward by the forward upward inclination angle ⁇ with respect to the horizontal plane
  • the water droplet receiving portion 3 provided in the connecting portion 2 is also in front of the duct main body 1.
  • the tip side of the portion is arranged so as to be inclined upward.
  • the tip side inclined surface 7 is provided on the front tip side of the water droplet receiving portion 3, the water droplets collected in the water droplet receiving portion 3 do not fall or scatter downward, and electricity is generated below the water droplet receiving portion 3. Even when the component is located, the adverse effect of water droplets can be prevented at low cost by a simple structure.
  • an uneven portion 24 can be provided on the bottom surface of the water droplet receiving portion 23.
  • the surface area of the bottom surface of the water droplet receiving portion 23 is increased, and the water accumulated in the water droplet receiving portion 23 can be evaporated in a short time.
  • the water droplet receiving portion 31 may have a structure in which the tip side inclined surface is not provided.
  • the axis H2 of the connecting portion 2 is inclined at a forward upward inclination angle ⁇ with respect to the duct ventilation axis H1 of the duct main body 1, the water droplet receiving portion 31 and the tray-shaped bottom surface 32 are also duct ventilated. It is tilted forward and upward by an upward tilt angle ⁇ with respect to the axis H1. Therefore, the water droplet receiving unit 31 can receive and store the water droplets.
  • FIG. 9 shows the air conditioning duct device of the second embodiment.
  • the connecting portion 2, the water droplet receiving portion 30, and the tray-shaped bottom surface 38 of the duct main body 1 are formed in parallel with the duct ventilation axis H1, and the structure of other portions is the same as that of the above embodiment. That is, as shown in FIG. 9, both the upstream side portion and the downstream side connecting portion 2 of the duct main body 1 are formed parallel to the duct ventilation axis H1.
  • the same parts as those in the above embodiment are designated by the same reference numerals as those described above in FIG. 9, and the description thereof will be omitted.
  • connection portion 2 of the duct body 1 is formed so as to cover the insertion connection portion 19 provided in the retainer 11 of the register 10, and the insertion connection portion 19 of the retainer 11 is formed from the tip opening 4 into the connection portion 2. It is inserted into and connected. Further, a water droplet receiving portion 30 for receiving water droplets generated on the outer surface of the wall portion of the insertion connecting portion 19 is provided below the connecting portion 2.
  • the water droplet receiving portion 30 provided at the lower portion (bottom portion) of the connecting portion 2 of the duct main body 1 has a tray-shaped bottom surface 38 and is formed in a tray shape, and is formed on both sides of the tray-shaped bottom surface 38. Both side inclined surfaces are provided, and the tip side inclined surface 37 is provided on the tip side. Further, the water droplet receiving portion 30 is formed in a shape protruding forward from the vertical cross section A of the connecting portion 2 of the duct main body 1. As shown in FIG. 9, the connecting portion 2, the water droplet receiving portion 30, and the tray-shaped bottom surface 38 of the duct main body 1 are formed in parallel with the duct ventilation axis H1.
  • the register 10 is connected by inserting the insertion connection portion 19 of the retainer 11 into the connection portion 2 through the tip opening 4 of the duct body 1, and the ventilation direction of the ventilation path in the retainer 11 is parallel to the duct ventilation axis H1.
  • the register 10 and the duct body 1 are connected so as to be.
  • the air-conditioning duct device having the above configuration is installed, for example, in a horizontal state inside the vehicle, and the insertion connection portion 19 of the retainer 11 of the register 10 is inserted and connected to the inside from the tip opening 4 of the connection portion 2 of the duct body 1. It is installed horizontally in the passenger compartment.
  • the wall portion of the retainer 11 is cooled when the cold air passes through the retainer 11 of the register 10. If this condition continues during the rainy season or the like, dew condensation will occur on the outer surface of the wall portion of the retainer 11, and water droplets will adhere to the outer surface of the wall portion.
  • the water droplets condensed on the outer surface of the wall portion of the retainer 11 of the register 10 enter the water droplet receiving portions 3 and 30 of the duct main body 1 and are collected, so that they are stored below the water droplets. Even when electrical parts are located, the adverse effects of water droplets can be prevented at low cost with a simple structure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Duct Arrangements (AREA)
  • Air-Flow Control Members (AREA)
PCT/JP2020/030579 2019-09-04 2020-08-11 空調用ダクト装置 WO2021044812A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080056846.0A CN114206641B (zh) 2019-09-04 2020-08-11 空调用风管装置
JP2021543669A JP7458038B2 (ja) 2019-09-04 2020-08-11 空調用ダクト装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019161504 2019-09-04
JP2019-161504 2019-09-04

Publications (1)

Publication Number Publication Date
WO2021044812A1 true WO2021044812A1 (ja) 2021-03-11

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Application Number Title Priority Date Filing Date
PCT/JP2020/030579 WO2021044812A1 (ja) 2019-09-04 2020-08-11 空調用ダクト装置

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JP (1) JP7458038B2 (enrdf_load_stackoverflow)
CN (1) CN114206641B (enrdf_load_stackoverflow)
WO (1) WO2021044812A1 (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142115U (ja) * 1982-03-23 1983-09-24 日本プラスト株式会社 車輌用通風ダクト取付装置
JPS60149411U (ja) * 1984-02-23 1985-10-04 マツダ株式会社 自動車の空調装置
JP2002071203A (ja) * 2000-08-25 2002-03-08 Unix:Kk 排気ガラリ構造体
JP2004090705A (ja) * 2002-08-29 2004-03-25 Toyota Motor Corp 自動車の空調用ダクト及びインストルメントパネル
JP3168276U (ja) * 2011-03-25 2011-06-02 豊和化成株式会社 レジスタ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
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JPH07257149A (ja) * 1994-03-23 1995-10-09 Toyota Motor Corp 車両用空調ダクト構造
JP2001121942A (ja) * 1999-10-25 2001-05-08 Inoac Corp 結露対策付きダクト
JP2001201160A (ja) * 2000-01-19 2001-07-27 Inoac Corp リブ付きダクト及びその製造方法
JP2002211229A (ja) * 2001-01-22 2002-07-31 Nishikawa Kasei Co Ltd 車両用インストルメントパネルの空調ダクト
JP2003050043A (ja) * 2001-08-06 2003-02-21 Howa Kasei Kk エア吹き出し装置とエアダクトとの接続構造
JP4670749B2 (ja) * 2006-06-20 2011-04-13 トヨタ自動車株式会社 空調装置の吹出口構造
JP5074852B2 (ja) * 2007-07-31 2012-11-14 キョーラク株式会社 空調ダクト
JP2009202682A (ja) * 2008-02-27 2009-09-10 Toyoda Gosei Co Ltd 空調用ダクト装置
JP6234338B2 (ja) * 2014-07-18 2017-11-22 三菱電機株式会社 空調換気装置
JP6459328B2 (ja) * 2014-09-16 2019-01-30 三菱自動車エンジニアリング株式会社 車両の空調装置
JP6339920B2 (ja) * 2014-10-22 2018-06-06 株式会社ヴァレオジャパン 車両用空調装置
DE112017000982B4 (de) * 2016-02-24 2024-12-24 Denso Corporation Klimatisierungseinheit für ein fahrzeug
CN206037353U (zh) * 2016-08-25 2017-03-22 四川科冠电子有限公司 一种可多向送风的水滴防漏收集系统
CN206171346U (zh) * 2016-11-15 2017-05-17 天津冀内汽车装饰设计有限公司 一种具有风道的汽车顶篷
CN106696638A (zh) * 2016-11-29 2017-05-24 湖州朗讯信息科技有限公司 一种电动公交的独立出风口结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142115U (ja) * 1982-03-23 1983-09-24 日本プラスト株式会社 車輌用通風ダクト取付装置
JPS60149411U (ja) * 1984-02-23 1985-10-04 マツダ株式会社 自動車の空調装置
JP2002071203A (ja) * 2000-08-25 2002-03-08 Unix:Kk 排気ガラリ構造体
JP2004090705A (ja) * 2002-08-29 2004-03-25 Toyota Motor Corp 自動車の空調用ダクト及びインストルメントパネル
JP3168276U (ja) * 2011-03-25 2011-06-02 豊和化成株式会社 レジスタ

Also Published As

Publication number Publication date
JP7458038B2 (ja) 2024-03-29
JPWO2021044812A1 (enrdf_load_stackoverflow) 2021-03-11
CN114206641A (zh) 2022-03-18
CN114206641B (zh) 2024-05-28

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