WO2021020088A1 - Dispositif obturateur pour véhicule - Google Patents

Dispositif obturateur pour véhicule Download PDF

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Publication number
WO2021020088A1
WO2021020088A1 PCT/JP2020/027229 JP2020027229W WO2021020088A1 WO 2021020088 A1 WO2021020088 A1 WO 2021020088A1 JP 2020027229 W JP2020027229 W JP 2020027229W WO 2021020088 A1 WO2021020088 A1 WO 2021020088A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
blade
held
shutter device
vehicle
Prior art date
Application number
PCT/JP2020/027229
Other languages
English (en)
Japanese (ja)
Inventor
明宏 前田
原　拓也
悠起朗 設楽
健良 加納
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 WO2021020088A1 publication Critical patent/WO2021020088A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds

Definitions

  • This disclosure relates to a vehicle shutter device.
  • the air introduced into the engine room from the grill opening is used to dissipate heat from the radiator through which the engine cooling water flows and to dissipate heat from the condenser of the vehicle air conditioner.
  • a shutter device capable of temporarily blocking the flow of air from the grill opening to the engine compartment.
  • a shutter device for example, there is a shutter device described in Patent Document 1 below.
  • the shutter device described in Patent Document 1 includes a square frame-shaped frame and a plurality of blades arranged inside the frame.
  • the blades are arranged vertically side by side in the frame.
  • Each blade is formed so as to extend in the horizontal direction, and has shaft portions at both ends in the horizontal direction.
  • the shaft portion of each blade is slidably inserted into an insertion hole formed in the frame.
  • the insertion hole is formed so as to penetrate from the inner wall surface of the frame to the outer wall surface.
  • Each blade is rotatably supported by the frame by a bearing structure consisting of a shaft portion of each blade and an insertion hole of the frame.
  • the space inside the frame is opened and closed by the rotational movement of each blade.
  • air can pass when the plurality of blades are in the open state, and the flow of air through the frame is blocked when the plurality of blades are in the closed state.
  • the inventors are considering arranging the shutter device in a narrow gap formed between two heat exchangers such as a radiator and a capacitor. When arranging the shutter device in such a place, it is essential to reduce the thickness of the shutter device.
  • An object of the present disclosure is to provide a vehicle shutter device capable of suppressing self-excited vibration of a blade.
  • the vehicle shutter device includes a frame and a plurality of blades.
  • the frame is formed in a frame shape and is arranged between two heat exchangers, or in the front row or the last row of one or more heat exchangers, and is introduced from the grill opening of the vehicle. Air flows through the space inside the frame.
  • the blade is arranged in the space within the frame of the frame, is rotatably supported by the frame, and opens and closes the space within the frame by the rotational operation.
  • the frame has a holding frame portion that is arranged across the intermediate portion of each of the plurality of blades. A held portion that is rotatably held by the holding frame portion is formed in the intermediate portion of the blade.
  • FIG. 1 is a diagram schematically showing a schematic configuration of a vehicle.
  • FIG. 2 is a perspective view showing a perspective structure of the shutter device of the first embodiment.
  • FIG. 3 is a side view showing the side structure of the upper blade of the first embodiment.
  • FIG. 4 is a side view showing the side structure of the lower blade of the first embodiment.
  • FIG. 5 is an enlarged view showing an enlarged structure around a connecting portion between the link member and the shaft in the shutter device of the first embodiment.
  • FIG. 6 is a perspective view showing a perspective structure of the frame of the first embodiment.
  • FIG. 7 is a cross-sectional view showing a cross-sectional structure of a connecting portion between the holding frame portion and the held portion of the blade of the first embodiment.
  • FIG. 1 is a diagram schematically showing a schematic configuration of a vehicle.
  • FIG. 2 is a perspective view showing a perspective structure of the shutter device of the first embodiment.
  • FIG. 3 is a side view showing the side structure of the upper blade
  • FIG. 8 is a cross-sectional view showing a cross-sectional structure of a connecting portion between the holding frame portion and the held portion of the blade of the second embodiment.
  • FIG. 9 is a perspective view showing a perspective structure of a connecting portion between the holding frame portion and the held portion of the blade of the second embodiment.
  • FIG. 10 is a cross-sectional view showing a cross-sectional structure of a connecting portion between the holding frame portion and the held portion of the blade of the modified example of the second embodiment.
  • a grill opening 2 is provided in front of the body 1 of the vehicle C.
  • the grill opening 2 is provided to introduce the air in front of the vehicle body 1 into the engine room 3.
  • a radiator 5 and a condenser 6 are arranged in the engine room 3.
  • the radiator 5 dissipates the cooling water by exchanging heat between the cooling water for cooling the engine 4 and the air introduced from the grill opening 2.
  • the condenser 6 is a component of the refrigeration cycle of the air conditioner mounted on the vehicle C, and exchanges heat between the refrigerant circulating in the refrigeration cycle and the air introduced from the grill opening 2. Dissipate heat from the refrigerant.
  • the radiator 5 and the condenser 6 are arranged between the grill opening 2 and the engine 4. In this embodiment, the radiator 5 and the condenser 6 correspond to heat exchangers.
  • a shutter device 10 capable of temporarily blocking the flow of air from the grill opening 2 to the engine room 3 is arranged between the radiator 5 and the condenser 6.
  • the shutter device 10 enables early warm-up of the engine 4, for example, by temporarily blocking the flow of air from the grill opening 2 to the engine room 3 during a cold start of the engine 4. Further, the shutter device 10 improves the aerodynamic performance of the vehicle C by temporarily blocking the flow of air to the engine room 3 when the vehicle C travels at high speed, for example.
  • the shutter device 10 includes a frame 20, a plurality of blades 30, and an actuator device 40.
  • the frame 20 includes a first frame main body 21 formed in a rectangular frame shape, and a second frame main body 22 and a third frame main body 23 arranged in a cross shape within the frame of the first frame main body 21.
  • the first frame main body 21 has an upper frame piece 210, a lower frame piece 211, a right frame piece 212, and a left frame piece 213.
  • the air introduced from the grill opening 2 shown in FIG. 1 flows through the space inside the frame of the first frame main body 21.
  • the longitudinal direction of the upper frame piece 210 and the lower frame piece 211 is also referred to as the X-axis direction
  • the longitudinal direction of the right frame piece 212 and the left frame piece 213 is also referred to as the Z-axis direction.
  • the Z1 direction which is one direction in the Z-axis direction
  • the Z2 direction which is the other direction in the Z-axis direction
  • a direction orthogonal to both the X-axis direction and the Z-axis direction is also referred to as a Y-axis direction. Since the Y-axis direction also corresponds to the air flow direction, the Y-axis direction is also referred to as "air flow direction Y" below.
  • the second frame main body 22 is provided to reinforce the first frame main body 21.
  • the third frame main body 23 is provided to hold the blade 30 and reinforce the first frame main body 21.
  • the second frame main body 22 is provided between the upper frame piece 210 and the lower frame piece 211 of the first frame main body 21.
  • the third frame main body 23 is provided between the right frame piece 212 and the left frame piece 213 of the first frame main body 21.
  • the space in the frame of the first frame main body 21 is divided into four regions by the second frame main body 22 and the third frame main body 23.
  • the plurality of blades 30 are arranged in each of the four regions within the frame of the frame 20. In the four regions within the frame of the frame 20, the plurality of blades 30 are arranged so as to have a longitudinal direction in the Z-axis direction and are arranged side by side in the X-axis direction. In the following, for convenience, among the plurality of blades 30 shown in FIG. 2, the blade 30 arranged between the upper frame piece 210 of the first frame main body 21 and the third frame main body 23 is referred to as the “upper blade 31”. The blade 30 arranged between the lower frame piece 211 and the third frame main body 23 is referred to as a "lower blade 32".
  • shaft portions 310 are formed at both ends of the upper blade 31. Further, a power transmission shaft 311 is further formed at the lower end of the blade 30. As shown in FIG. 4, shaft portions 320 are similarly formed at both ends of the lower blade 32. A power transmission shaft 321 is formed at the upper end of the lower blade 32.
  • the shaft portions 310 and 310 provided at both ends of the upper blade 31 are rotatably supported by the upper frame piece 210 and the third frame main body portion 23 of the first frame main body portion 21, respectively.
  • the shaft portions 320 and 320 provided at both ends of the lower blade 32 are rotatably supported by the lower frame piece 211 and the third frame main body 23 of the first frame main body 21.
  • the power transmission shaft 311 provided at the lower end of the upper blade 31 and the power transmission shaft 321 provided at the upper end of the lower blade 32 are arranged on the third frame main body 23.
  • a link member 80 is further assembled to the third frame main body 23.
  • the link member 80 is formed so as to extend in the X-axis direction.
  • the link member 80 is connected to the power transmission shafts 311 and 321 of the upper blade 31 and the lower blade 32, respectively.
  • a shaft 70 is arranged on the left frame piece 213 of the first frame main body 21 so as to extend upward from the connecting portion with the third frame main body 23.
  • the upper end of the shaft 70 is connected to the actuator device 40 shown in FIG. In FIG. 2, the link member 80 and the shaft 70 are not shown.
  • the actuator device 40 is fixed above one end of the upper frame piece 210 with screws or the like.
  • the actuator device 40 rotates the shaft 70 based on the supply of electric power.
  • the link member 80 is displaced relative to the third frame main body 23 in the X-axis direction based on the rotation of the shaft 70, so that the power transmission shafts 311 of the upper blade 31 and the lower blade 32 are respectively displaced from the link member 80.
  • An external force in the X-axis direction is applied to 321.
  • a rotational force is applied to the upper blade 31 and the lower blade 32, and the upper blade 31 and the lower blade 32 rotate.
  • the space in the frame of the first frame main body 21 is opened and closed by the rotational operation of the upper blade 31 and the lower blade 32.
  • a gap is formed between the blades 30, so that air can flow from the grill opening 2 into the engine room 3 through the gap.
  • the gaps between the blades 30 are closed, so that the air flow from the grill opening 2 to the engine room 3 is blocked.
  • the rigidity of the blades 31 and 32 is lowered.
  • the rigidity of the lower blade 32 is increased by holding the central portion of each lower blade 32 by the holding frame portion 24 provided on the frame 20.
  • a held portion 322 is formed at the central portion in the longitudinal direction of the lower blade 32.
  • the held portion 322 is formed so that the cross-sectional shape orthogonal to the longitudinal direction of the lower blade 32 is circular.
  • the holding frame portion 24 is composed of a rod-shaped member, and is between the right frame piece 212 of the first frame main body 21 and the second frame main body 22, and the first frame main body 21. It is provided between the left frame piece 213 and the second frame main body 22.
  • the holding frame portion 24 is arranged so as to cross the central portion between the lower frame piece 211 of the first frame main body portion 21 and the third frame main body portion 23.
  • the holding frame portion 24 is formed with a concave fitting portion 240 into which the held portion 322 of each blade 30 is fitted.
  • the held portion 322 of each blade 30 is rotatably held with respect to the holding frame portion 24 by a structure that is fitted into the fitting portion 240 by utilizing the elasticity of the holding frame portion 24, that is, a so-called snap-fit structure.
  • a held portion 322 that is rotatably held by the holding frame portion 24 of the frame 20 is formed in the central portion of the lower blade 32. According to such a configuration, since the central portion of the lower blade 32 is held by the holding frame portion 24, the rigidity of the lower blade 32 can be increased.
  • the held portion 322 is formed so that the cross-sectional shape orthogonal to the longitudinal direction of the blade 30 is circular. According to such a configuration, the held portion 322 can be rotatably held by the holding frame portion 24.
  • the holding frame portion 24 is formed with a fitting portion 240 into which the held portion 322 is rotatably fitted. According to such a configuration, since the held portion 322 can be held only by the holding frame portion 24, the held portion 322 can be held with a simple structure.
  • the held portion 322 is formed in the central portion of the lower blade 32. According to such a configuration, the portion of the lower blade 32 that tends to have the lowest rigidity can be held by the holding frame portion 24, so that the rigidity of the lower blade 32 can be effectively improved.
  • the holding frame portion 24 is formed with a concave insertion groove 241 into which substantially half of the held portion 322 of the lower blade 32 is inserted. Further, as shown in FIG. 9, pedestals 323a and 323b are provided at both ends of the held portion 322 of the holding frame portion 24.
  • the pedestal portion 323a is the first blade main body. The lower end of the 324a and the upper end of the held portion 322 are joined.
  • the pedestal portion 323a has a width larger than that of the held portion 322.
  • the pedestal portion 323b is the second blade main body.
  • the upper end of the 324b and the lower end of the held portion 322 are joined.
  • the pedestal portion 323b has a width larger than that of the held portion 322.
  • the stopper member 25 is made of a plate-shaped member, and is arranged so as to face the holding frame portion 24 on the downstream side in the air flow direction Y.
  • the stopper member 25 is provided between the right frame piece 212 of the first frame body 21 and the second frame body 22, and between the left frame piece 213 of the first frame body 21 and the second frame body 22. It is fixed and provided.
  • the stopper member 25 presses the held portion 322 of the lower blade 32 into the insertion groove 241 of the holding frame portion 24. As a result, the held portion 322 of the lower blade 32 is rotatably held by the insertion groove 241 of the holding frame portion 24 and the stopper member 25.
  • the following (5) to (7) are shown.
  • the action and effect can be obtained.
  • the held portion 322 of the lower blade 32 is rotatably held by being sandwiched between the holding frame portion 24 and the stopper member 25. According to such a configuration, it is possible to more accurately hold the held portion 322 of the lower blade 32.
  • the holding frame portion 24 is arranged on the upstream side in the air flow direction Y with respect to the held portion 322 of the lower blade 32.
  • the stopper member 25 is arranged on the downstream side in the air flow direction with respect to the held portion 322 of the lower blade 32. According to such a configuration, when the lower blade 32 is in the closed state, the lower blade 32 tries to be deformed toward the downstream side in the air flow direction Y by receiving the air pressure. However, the deformation of the lower blade 32 can be suppressed by the stopper member 25.
  • the lower blade 32 has pedestals 323a and 323b.
  • One pedestal portion 323a has a width larger than that of the held portion 322 by joining one end portion of the held portion 322 and the lower end portion of the first blade main body 324a.
  • the other pedestal portion 323b has a width larger than that of the held portion 322 by joining the other end portion of the held portion 322 and the upper end portion of the second blade main body 324b.
  • the pedestal portions 323a and 323b can suppress the intrusion of foreign matter into the fitting portion between the held portion 322 and the fitting portion 240 of the holding frame portion 24, so that the fitting portion can be covered. It becomes easy to avoid a situation in which the held portion 322 is difficult to rotate due to the invading foreign matter.
  • the insertion groove 241 of the holding frame portion 24 of this modified example is formed so that the entire held portion 322 of the lower blade 32 can be inserted.
  • the held portion 322 of the lower blade 32 is rotatably held by being arranged between the holding frame portion 24 and the stopper member 25. Even with such a configuration, it is possible to more accurately hold the held portion 322 of the lower blade 32.
  • the above embodiment can also be implemented in the following embodiments.
  • the held portion 322 is not limited to the central portion of the lower blade 32, and may be provided at any portion as long as it is an intermediate portion between both ends of the lower blade 32.
  • a plurality of held portions 322 may be formed on the lower blade 32. Further, the number of the holding frame portions 24 may be appropriately changed according to the number of the held portions 322 formed on the lower blade 32. -It is also possible to apply the same structure as the lower blade 32 to the upper blade 31.
  • the shutter device 10 of each embodiment is not limited to the one arranged between the radiator 5 and the capacitor 6, and may be any one arranged between any two heat exchangers.
  • a shutter device may be arranged between them.
  • the shutter device 10 may be arranged in the front row or the last row of one or a plurality of heat exchangers.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

La présente invention concerne un dispositif obturateur pour véhicule doté d'un cadre et d'une pluralité de lames (32). Le cadre est formé dans une forme de cadre et est disposé entre deux échangeurs de chaleur. Les lames sont disposées dans un espace à l'intérieur du cadre. Le cadre a une partie de cadre de maintien disposée de façon à croiser horizontalement des sections médianes respectives de la pluralité de lames. Dans les sections médianes des lames, des parties maintenues (322) qui sont maintenues de manière rotative par la partie de cadre de maintien sont formées.
PCT/JP2020/027229 2019-07-31 2020-07-13 Dispositif obturateur pour véhicule WO2021020088A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019140685A JP2021024291A (ja) 2019-07-31 2019-07-31 車両のシャッタ装置
JP2019-140685 2019-07-31

Publications (1)

Publication Number Publication Date
WO2021020088A1 true WO2021020088A1 (fr) 2021-02-04

Family

ID=74229897

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Application Number Title Priority Date Filing Date
PCT/JP2020/027229 WO2021020088A1 (fr) 2019-07-31 2020-07-13 Dispositif obturateur pour véhicule

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JP (1) JP2021024291A (fr)
WO (1) WO2021020088A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012001184A (ja) * 2010-06-21 2012-01-05 Toyota Motor Corp ラジエーターシャッター
JP2015217825A (ja) * 2014-05-19 2015-12-07 シロキ工業株式会社 車両用シャッター装置
DE102017105568A1 (de) * 2017-03-15 2018-09-20 Geiger Automotive Gmbh Modulares Luftklappensystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012001184A (ja) * 2010-06-21 2012-01-05 Toyota Motor Corp ラジエーターシャッター
JP2015217825A (ja) * 2014-05-19 2015-12-07 シロキ工業株式会社 車両用シャッター装置
DE102017105568A1 (de) * 2017-03-15 2018-09-20 Geiger Automotive Gmbh Modulares Luftklappensystem

Also Published As

Publication number Publication date
JP2021024291A (ja) 2021-02-22

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