CN113581117A - Active air inlet grille structure of automobile - Google Patents

Active air inlet grille structure of automobile Download PDF

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Publication number
CN113581117A
CN113581117A CN202110892781.XA CN202110892781A CN113581117A CN 113581117 A CN113581117 A CN 113581117A CN 202110892781 A CN202110892781 A CN 202110892781A CN 113581117 A CN113581117 A CN 113581117A
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CN
China
Prior art keywords
air inlet
active
grille
active air
end frame
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN202110892781.XA
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Chinese (zh)
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CN113581117B (en
Inventor
欧俊峰
冯燕燕
昝建明
孙络典
许春铁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Changan Automobile Co Ltd
Original Assignee
Chongqing Changan Automobile Co Ltd
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.)
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Publication date
Application filed by Chongqing Changan Automobile Co Ltd filed Critical Chongqing Changan Automobile Co Ltd
Priority to CN202110892781.XA priority Critical patent/CN113581117B/en
Publication of CN113581117A publication Critical patent/CN113581117A/en
Application granted granted Critical
Publication of CN113581117B publication Critical patent/CN113581117B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/52—Radiator or grille guards ; Radiator grilles
    • 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
    • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
    • B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/52—Radiator or grille guards ; Radiator grilles
    • B60R2019/525—Radiator grilles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

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

Abstract

The invention relates to an automobile active air intake grille structure, which comprises an active air intake grille body arranged between a front bumper and a front end frame of an automobile; the upper part of the front end frame is provided with an air inlet channel, and a one-way valve is arranged at the outlet of the air inlet channel; the method is characterized in that: the active air inlet grille body comprises a reinforcing rib arranged in the middle, a lower blade arranged below the reinforcing rib, an upper blade arranged above the reinforcing rib and a flow guide structure arranged above the upper blade; the air guide plates are arranged on two sides of the active air inlet grille body, and the fixing structures are arranged behind the active air inlet grille body; the active air inlet grille body is positioned and connected on the front end frame through a plurality of fixing structures, and the flow guide structure is correspondingly matched with an air inlet channel on the front end frame. The invention can realize air inlet partition, improve air inlet utilization rate and smooth airflow, reduce cabin temperature and avoid the situation that the performance of a cooling system is reduced due to thermal reflux of the cabin.

Description

Active air inlet grille structure of automobile
Technical Field
The invention relates to an automobile engine, in particular to an automobile active air inlet grille structure, and particularly relates to an automobile active air inlet grille structure with a rear engine.
Background
An Active Grille Shutter (AGS) is a device which is arranged between a front Grille and a cooling module of an automobile and can automatically adjust the opening of the Active Grille Shutter and control the entering amount of cooling airflow of an engine compartment according to the running state of the automobile (such as signals of the inlet air temperature, the water temperature, the ambient temperature and the like). When the vehicle is started in winter, the engine can be ensured to be rapidly heated to the optimal working state by closing the active air inlet grille; and when the automobile runs at a high speed, the wind resistance of the automobile can be effectively reduced by closing the active air inlet grille, so that the stability of the automobile and the fuel economy are improved.
In the prior art, the active air inlet grille is tightly attached to the front protective grille, the front end frame, the upper protective plate, the lower protective plate and other parts of the automobile, and soft fillers (such as foam sealing strips and the like) are also arranged at fine gaps, so that when the active air inlet grille is completely closed, cooling airflow hardly enters the inside of an automobile cabin, great challenge is brought to the performance of the automobile in the aspect of thermal protection, and the achievement of the comfort of an air conditioner is not facilitated. During the running process of an automobile with a rear engine, the temperature of an exhaust pipe of the engine can reach over 900 ℃ at most, and under the action of heat radiation and heat convection effects, some temperature sensitive parts (such as front cover decorating parts, engine decorating covers, wire harnesses, sensors and the like) near the exhaust pipe can have overtemperature risks and seriously affect the running safety.
CN 206086358U discloses "an active grille shutter device for an automobile", which solves the technical problems that the air intake amount of the active grille shutter device for an existing automobile is insufficient and the overall wind resistance of the automobile is large. The active air inlet grille device of the automobile comprises an installation frame with an air inlet, wherein a plurality of strip-shaped grids are arranged in the air inlet of the installation frame, an upper wind shield extending towards the middle of the air inlet in an inclined mode is arranged on the upper side of the installation frame, a lower wind shield extending towards the middle of the air inlet in an inclined mode is arranged on the lower side of the installation frame, and guide plates are further arranged on the left side and the right side of the installation frame; the upper wind shield, the lower wind shield and the guide plate jointly enclose a long-strip-shaped flow guide opening. Through setting up the water conservancy diversion mouth that is the throat, can enough avoid the air current excessive, guarantee the intake, still played the effect that reduces whole car windage. The technical solution disclosed in this patent document is an advantageous attempt in the art.
Disclosure of Invention
The invention aims to provide an automobile active air inlet grille structure which can realize air inlet partition, improve air inlet utilization rate and smooth airflow, reduce cabin temperature and avoid the condition that the performance of a cooling system is reduced due to thermal backflow of a cabin.
The invention relates to an automobile active air intake grille structure, which comprises an active air intake grille body arranged between a front bumper and a front end frame of an automobile; the upper part of the front end frame is provided with an air inlet channel, and a one-way valve is arranged at the outlet of the air inlet channel; an upper front protective grid and a lower front protective grid are integrated on the front bumper; the method is characterized in that: the active air inlet grille body comprises a reinforcing rib arranged in the middle, a lower blade arranged on the reinforcing rib, an upper blade arranged on the reinforcing rib and a flow guide structure arranged on the upper edge of the upper blade; the air guide plates are arranged on two sides of the active air inlet grille body, and the fixing structures are arranged behind the active air inlet grille body; the active air inlet grille body is positioned and connected on the front end frame through a plurality of fixing structures, and the flow guide structure is correspondingly matched with an air inlet channel on the front end frame.
Further, the edge of the air deflector is in interference fit with the side edges of the upper front protective grid and the lower front protective grid through side sealing strips; the upper blade is in interference fit with the lower edge of the upper front grille through an upper sealing strip; the lower blade is in interference fit with the upper edge of the lower front grille through a lower sealing strip.
Further, the flow guide structure is in an inclined upward slope shape; the lower blade and the upper blade are kept in inclined upward postures in a stable state and are matched with the form of the flow guide structure, so that more air flows to the upper part of the engine decoration cover after passing through the lower blade, the upper blade, the cooling module and the fan.
Further, the middle part of the back of the active air inlet grille body is connected with a collision beam.
Furthermore, four fixing structures are arranged behind the active air inlet grille body and are respectively positioned on two sides of the rear face of the active air inlet grille body, and the four fixing structures are respectively connected and fixed with the front end framework through fastening nuts.
The invention has the beneficial effects that:
because initiative air-inlet grille body integrated level is high, has characteristics such as the structure is succinct, dependable performance, easy dismouting, under the prerequisite that effectively promotes whole car fuel economy, has compromise whole car thermal protection security.
Drawings
FIG. 1 is a schematic structural view of an active grille shutter body of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the active grille shutter body connected to the front bumper and the upper and lower front grills.
Fig. 4 is a schematic structural view of the front bumper.
In the figure:
1-an active air inlet grille body, 10-reinforcing ribs, 11-lower blades, 12-upper blades, 13-a flow guide structure, 14-an air deflector, 15-side sealing strips, 16-upper sealing strips, 17-lower sealing strips and 18-fixed points;
2-front end frame, 21-air inlet channel, 22-one-way valve;
3-engine decorative cover, 4-engine decorative cover;
5-front bumper, 51-upper front grille and 52-lower front grille.
Detailed Description
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, an active grille shutter structure for a vehicle includes an active grille shutter body 1 disposed between a front bumper 5 and a front end frame 2 of the vehicle; the upper part of the front end frame 2 is provided with an air inlet channel 21 and a one-way valve 22 at the outlet of the air inlet channel; the check valve can automatically adjust the opening according to the impact strength of the airflow so as to ensure that the opening degree of the device is smaller when the automobile runs at a low speed or is in an idle speed state, thereby preventing the hot airflow of the engine room from flowing to the front of the cooling module and influencing the performance of a cooling system; an upper front protective grid 51 and a lower front protective grid 52 are integrated on the front bumper 5; the method is characterized in that:
the active air inlet grille body 1 comprises a reinforcing rib 10 arranged in the middle, a lower blade 11 arranged below the reinforcing rib 10, an upper blade 12 arranged above the reinforcing rib 10 and a flow guide structure 13 arranged above the upper blade, wherein the flow guide structure can guide air flow coming from the front into the engine room from an air inlet channel at the top of the front end frame to achieve the effect of cooling the engine room; the air guide plate is characterized by further comprising air guide plates 14 arranged on two sides of the active air inlet grille body 1 and a plurality of fixing structures 18 arranged behind the active air inlet grille body 1; the surface of the air guide plate is smooth, so that the flow resistance can be reduced, the air flow can be guided and smoothed, the air inlet utilization efficiency of the cooling module is guaranteed, and the performance of the cooling module is improved; the active air intake grille body 1 is positioned and connected on the front end frame 2 through a plurality of fixing structures 18, and the flow guide structure 13 is correspondingly matched with an air intake channel 21 on the front end frame 2.
The edge of the air deflector 14 is in interference fit with the side edges of the upper front protective grid 51 and the lower front protective grid 52 through the side sealing strips 15; the upper blade 12 is in interference fit with the lower edge of the upper front grille 51 through the upper sealing strip 16; the lower vane 11 is in interference fit with the upper edge of the lower front grille 52 by the lower seal strip 17. The air inlet partition is realized, so that air inlets of the upper blade area and the lower blade area are independent, and the air inlet utilization rate and smooth airflow are improved.
Last blade and the under vane of initiative air-inlet grille body, correspond last preceding guarantor grille and the last air inlet region and the under air inlet region of guarantor grille before down respectively, through last sealing strip and under sealing strip and last preceding guarantor grille and the guarantor grille before down realize interference fit, make between last blade and the under vane region and last preceding guarantor grille and the under preceding guarantor grille body constitute the enclosure space jointly, in order to eliminate last regional air inlet and the lower regional air inlet and interfere with each other, smooth-going air current, thereby restrain the formation of mobile swirl, avoid the chaotic mobile state of air current to produce negative effects to the cooling module performance, ensure the optimization of cooling system performance.
The flow guide structure 13 is in an inclined upward slope shape; the lower blade 11 and the upper blade 12 are kept in an inclined upward posture in a stable state, and are matched with the form of the flow guide structure 13, so that more air flows to the upper part of the engine decorative cover 3 after passing through the lower blade, the upper blade, the cooling module and the fan. The upper blade and the lower blade of the active air inlet grille body are kept in an obliquely upward state under different opening degrees (except for a fully opened or fully closed state), and the state is similar to a slope-shaped flow guide structure, so that more air flows are ensured to flow above a decorative cover of an engine after passing through the upper blade, the lower blade, the cooling module and the fan, and then reach an area near an exhaust pipe for cooling.
The upper blade and the lower blade of the active air inlet grille body are in a closed state, airflow entering through the upper front protective grille can change the direction and flow upwards after being blocked by the closed upper blade, the airflow is guided to an air inlet channel of the front end frame by the flow guide structure of the active air inlet grille body, and the one-way valve is impacted and opened, so that the airflow enters the engine room and flows out through the upper part of the engine decorative cover and a channel between the front wall plate and the exhaust pipe respectively, the problems that hot airflow near the exhaust pipe rises and the heat radiation of the exhaust pipe per se heats surrounding parts and the like can be effectively inhibited, an obvious cooling effect is achieved on the parts, and the safety is ensured.
The middle part of the back of the active air intake grille body 1 is connected with the collision beam 4. So as to support and stabilize the active air intake grille body.
Four fixing structures 18 are arranged behind the active air intake grille body 1 and are respectively positioned on two sides of the rear face of the active air intake grille body, and the four fixing structures are respectively connected and fixed with the front end frame 2 through fastening nuts.

Claims (5)

1. An active air intake grille structure of an automobile comprises an active air intake grille body (1) arranged between a front bumper (5) and a front end frame (2) of the automobile; the upper part of the front end frame (2) is provided with an air inlet channel (21), and a one-way valve (22) is arranged at the outlet of the air inlet channel; an upper front protective grid (51) and a lower front protective grid (52) are integrated on the front bumper (5); the method is characterized in that: the active air inlet grille body (1) comprises a reinforcing rib (10) arranged in the middle, a lower blade (11) arranged below the reinforcing rib (10), an upper blade (12) arranged above the reinforcing rib (10) and a flow guide structure (13) arranged above the upper blade; the air guide plate is characterized by also comprising air guide plates (14) arranged on two sides of the active air inlet grille body (1) and a plurality of fixing structures (18) arranged behind the active air inlet grille body (1); the active air inlet grille body (1) is positioned and connected on the front end frame (2) through a plurality of fixing structures (18), and the flow guide structure (13) is correspondingly matched with an air inlet channel (21) on the front end frame (2).
2. The active grille shutter construction for automotive vehicles of claim 1 wherein: the edge of the air deflector (14) is in interference fit with the side edges of the upper front protective grid (51) and the lower front protective grid (52) through side sealing strips (15); the upper blade (12) is in interference fit with the lower edge of the upper front grille (51) through an upper sealing strip (16); the lower blade (11) is in interference fit with the upper edge of the lower front grille (52) through a lower sealing strip (17).
3. The active grille shutter structure for an automobile of claim 1 or 2 wherein: the flow guide structure (13) is in an inclined upward slope shape; the lower blade (11) and the upper blade (12) are kept in an inclined upward posture in a stable state and are matched with the form of the flow guide structure (13) so as to ensure that more air flows to the upper part of the engine decorative cover (3) after passing through the lower blade, the upper blade, the cooling module and the fan.
4. The active grille shutter construction for automotive vehicles of claim 1 wherein: the middle part of the back of the active air inlet grille body (1) is connected with a collision beam (4).
5. The active grille shutter construction for automotive vehicles of claim 1 wherein: four fixing structures (18) are arranged behind the active air inlet grille body (1) and are respectively positioned on two sides of the rear face of the active air inlet grille body, and the four fixing structures are respectively connected and fixed with the front end frame (2) through fastening nuts.
CN202110892781.XA 2021-08-04 2021-08-04 Active air inlet grille structure of automobile Active CN113581117B (en)

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CN202110892781.XA CN113581117B (en) 2021-08-04 2021-08-04 Active air inlet grille structure of automobile

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Application Number Priority Date Filing Date Title
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CN113581117A true CN113581117A (en) 2021-11-02
CN113581117B CN113581117B (en) 2023-08-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114834380A (en) * 2022-06-09 2022-08-02 常州市佳乐车辆配件制造有限公司 Intelligent variable air conditioner air inlet grille component based on air diversion regulation
CN115257361A (en) * 2022-07-27 2022-11-01 重庆长安汽车股份有限公司 Active air inlet grille structure integrated with front end frame

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Publication number Priority date Publication date Assignee Title
CN206606159U (en) * 2017-03-05 2017-11-03 梦达驰汽车***（苏州工业园区）有限公司 Automobile mixing material active air-inlet grille system
CN108081950A (en) * 2017-12-07 2018-05-29 奇瑞汽车股份有限公司 A kind of active air-inlet grille
CN109080445A (en) * 2018-08-10 2018-12-25 吉利汽车研究院（宁波）有限公司 Addition type can be changed active air-inlet grille and automobile
CN109109654A (en) * 2018-08-27 2019-01-01 蔚来汽车有限公司 Air-inlet grille component and vehicle configured with the air-inlet grille component
CN208593291U (en) * 2018-07-25 2019-03-12 广州汽车集团股份有限公司 A kind of automobile and its active air-inlet grille
CN208698490U (en) * 2018-08-07 2019-04-05 广州汽车集团股份有限公司 A kind of automobile and its engine charge snow defence structural assembly
CN109733184A (en) * 2019-01-26 2019-05-10 广州德驰汽车零部件有限公司 A kind of automobile active air-inlet grille
CN208962867U (en) * 2018-09-27 2019-06-11 长城汽车股份有限公司 Cell structure with air inlet adjustment function
CN209921049U (en) * 2019-04-08 2020-01-10 重庆长安汽车股份有限公司 Active air inlet grille
US20200039345A1 (en) * 2016-10-05 2020-02-06 Basf Se Active shutter vane for use in active grille system for vehicle
CN110758306A (en) * 2019-11-21 2020-02-07 金发科技股份有限公司 Integrated active air intake grille front end frame
CN211731306U (en) * 2019-11-21 2020-10-23 金发科技股份有限公司 Integrated active air intake grille front end frame
CN112519709A (en) * 2020-11-26 2021-03-19 东风柳州汽车有限公司 Automobile front bumper structure and automobile

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200039345A1 (en) * 2016-10-05 2020-02-06 Basf Se Active shutter vane for use in active grille system for vehicle
CN206606159U (en) * 2017-03-05 2017-11-03 梦达驰汽车***（苏州工业园区）有限公司 Automobile mixing material active air-inlet grille system
CN108081950A (en) * 2017-12-07 2018-05-29 奇瑞汽车股份有限公司 A kind of active air-inlet grille
CN208593291U (en) * 2018-07-25 2019-03-12 广州汽车集团股份有限公司 A kind of automobile and its active air-inlet grille
CN208698490U (en) * 2018-08-07 2019-04-05 广州汽车集团股份有限公司 A kind of automobile and its engine charge snow defence structural assembly
CN109080445A (en) * 2018-08-10 2018-12-25 吉利汽车研究院（宁波）有限公司 Addition type can be changed active air-inlet grille and automobile
CN109109654A (en) * 2018-08-27 2019-01-01 蔚来汽车有限公司 Air-inlet grille component and vehicle configured with the air-inlet grille component
CN208962867U (en) * 2018-09-27 2019-06-11 长城汽车股份有限公司 Cell structure with air inlet adjustment function
CN109733184A (en) * 2019-01-26 2019-05-10 广州德驰汽车零部件有限公司 A kind of automobile active air-inlet grille
CN209921049U (en) * 2019-04-08 2020-01-10 重庆长安汽车股份有限公司 Active air inlet grille
CN110758306A (en) * 2019-11-21 2020-02-07 金发科技股份有限公司 Integrated active air intake grille front end frame
CN211731306U (en) * 2019-11-21 2020-10-23 金发科技股份有限公司 Integrated active air intake grille front end frame
CN112519709A (en) * 2020-11-26 2021-03-19 东风柳州汽车有限公司 Automobile front bumper structure and automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114834380A (en) * 2022-06-09 2022-08-02 常州市佳乐车辆配件制造有限公司 Intelligent variable air conditioner air inlet grille component based on air diversion regulation
CN114834380B (en) * 2022-06-09 2023-11-28 常州市佳乐车辆配件制造有限公司 Intelligent variable air conditioner air inlet grille assembly based on air flow guiding regulation and control
CN115257361A (en) * 2022-07-27 2022-11-01 重庆长安汽车股份有限公司 Active air inlet grille structure integrated with front end frame
CN115257361B (en) * 2022-07-27 2024-06-04 重庆长安汽车股份有限公司 Active air inlet grille structure integrated with front end frame

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