CN114523903B - Low-noise rearview mirror - Google Patents
Low-noise rearview mirror Download PDFInfo
- Publication number
- CN114523903B CN114523903B CN202111453379.8A CN202111453379A CN114523903B CN 114523903 B CN114523903 B CN 114523903B CN 202111453379 A CN202111453379 A CN 202111453379A CN 114523903 B CN114523903 B CN 114523903B
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- Prior art keywords
- rearview mirror
- lens
- turbulence
- diversion trench
- transmission rod
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- 230000005540 biological transmission Effects 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 8
- 230000010349 pulsation Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/0602—Rear-view mirror arrangements mounted on vehicle exterior comprising means for cleaning or deicing
-
- 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
- Y02T10/82—Elements for improving aerodynamics
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention discloses a low-noise rearview mirror, which aims to solve the defects that the rearview mirror in the prior art can reduce the intensity of wind noise but can not reduce the area of wind noise; the invention comprises a rearview mirror housing, wherein an opening end for installing a lens is arranged on the rearview mirror housing; the lens is arranged in the opening end, and a plurality of turbulence openings are formed in the circumferential direction of the opening end. The wind forms small vortex at the rear part of the rearview mirror through the effect of the vortex opening, so that the airflow in the outer circumferential direction of the opening end of the rearview mirror can be mixed in advance, the size of the vortex area at the tail part of the rearview mirror and the strength of the tail part of the rearview mirror are reduced, the pressure pulsation of the rearview mirror is reduced, and the turbulence pulsation at the rear part of the rearview mirror is greatly weakened, so that pneumatic noise is reduced.
Description
Technical Field
The invention relates to the technical field of automobile rearview mirrors, in particular to a low-noise rearview mirror.
Background
The noise of the automobile is mainly divided into two types, one is mainly due to the noise generated by mechanical transmission, and the other is mainly due to the noise generated by interaction with wind power in the process of automobile movement, namely wind noise; the two types of noise are related to the running speed of the automobile, when the automobile runs at a lower speed, the noise is mainly due to contrast caused by mechanical transmission in the automobile, and when the automobile moves to a higher speed, the noise is caused by wind noise; the wind noise is generated by various reasons, wherein the wind noise comprises the rearview mirror, and the set position of the rearview mirror is close to the position of the driver, so that the noise generated by the rearview mirror heard by the driver is large, and therefore, in order to improve the comfort level of driving of a customer, reducing the wind noise of the rearview mirror is an important link.
Chinese patent publication No. CN102529820a, publication day 2012, 7 and 4, the name of the invention is a turbulence member for reducing vortex noise of automobile rearview mirror, and this application discloses a turbulence member for reducing vortex noise of automobile rearview mirror, including a picture frame and a plurality of turbulence bars integrated with the picture frame, characterized by: the front part and the tail part of the turbulence strip are smooth curved surfaces, and the included angle theta between the windward side of the front part and the vertical direction is 30-60 degrees; the upper part of the mirror frame is at least equidistantly provided with 5 spoiler bars, and one side close to the car body is at least equidistantly provided with 2 spoiler bars. Although the invention can reduce certain noise by adding the turbulence strips, the wind noise generated by the rearview mirror is mainly determined by the strength of wake flow and the size of the area of the wake flow, the invention can only reduce the strength of the wake flow, but can not reduce the area of wake flow, and also can further improve the wind noise by reducing the wind noise by most of wake vortex and glass on a side window to impact.
Disclosure of Invention
The invention overcomes the defect that the rearview mirror in the prior art can reduce the intensity generated by wind noise but can not reduce the area of wind noise, and provides the low-noise rearview mirror which can simultaneously reduce the impact intensity and the impact area of wake vortexes of the rearview mirror and effectively reduce the wind noise generated in the running process of an automobile.
In order to solve the technical problems, the invention adopts the following technical scheme: a low noise rearview mirror comprising: a rearview mirror housing provided with an open end for mounting a lens; the lens is arranged in the opening end, and a plurality of turbulence openings are formed in the circumferential direction of the opening end.
In order to reduce the size of the wake intensity and wake area of the rearview mirror simultaneously, a plurality of vortex openings are formed in the circumferential direction of the opening end, the airflow in the outer circumferential direction of the opening end of the rearview mirror can be mixed in advance through the arrangement of the vortex openings, compared with the rearview mirror without the vortex openings, the rear part of the rearview mirror can form small vortex at the rear part of the rearview mirror through the effect of the vortex openings, the airflow in the outer circumferential direction of the opening end of the rearview mirror can be mixed in advance, the vortex shedding phenomenon of the edge layer in the outer circumferential direction of the opening end of the rearview mirror is further suppressed, the size of the tail vortex area of the rearview mirror is further reduced, the pressure pulsation of the rearview mirror is reduced, the turbulence pulsation at the rear part of the rearview mirror is greatly weakened, and therefore pneumatic noise is reduced.
Preferably, the upper side edge of the opening end is provided with a telescopic module, the telescopic module is connected with a telescopic mechanism, and the telescopic mechanism drives the telescopic module to move so that the turbulence opening is opened or closed.
The telescopic module is arranged, so that the turbulence opening can be opened or closed, and when the turbulence opening is closed, the turbulence opening can play a role in shielding rain, and the visual field of the lens is ensured.
Preferably, the telescopic module comprises a plurality of filling blocks for filling the turbulent flow openings, the filling blocks are connected through connecting rods, the connecting rods are connected with a transmission rod, and the transmission rod is connected with the telescopic mechanism; a protruding block is formed between the turbulence openings, a sliding groove is formed in the protruding block, and the connecting rod can slide in the sliding groove.
The driving rod is driven to move through the telescopic mechanism, the driving rod drives the connecting rod to move, the connecting rod can slide in the sliding groove, the filling block turbulence opening can be matched through driving of the telescopic mechanism, and then the turbulence opening is closed.
Preferably, one side of the filling block, which is close to the rearview mirror shell, is provided with an arc-shaped flow guide surface.
The arc guide surface can have the effect of guiding air, drives flexible module through telescopic machanism and moves, can make the air of the outer circumferencial direction of mirror open end flow backwards through the guide effect of arc guide surface for the effect that the air passed through the arc guide surface contacts with the lens, and then can blow rainwater or dust on the lens through the effect of air, keeps the clean degree of lens.
Preferably, the transmission rod comprises a first transmission rod and a second transmission rod, and the first transmission rod is hinged with the second transmission rod; the upper and lower both ends of connecting rod are provided with the edge connecting rod axial direction is provided with the butt strip, be provided with the butt piece in the spout, when the butt strip with the butt piece contacts, the connecting rod is around the butt piece takes place to rotate.
When telescopic machanism drives the transfer line and carries out the transmission, when butt strip and butt piece contact, can make the connecting rod rotate around the butt strip, the rotation of connecting rod drives the rotation of filling piece for the filling piece takes place certain rotation, and then can make more air pass through the space between filling piece and the rear-view mirror casing and can contact with the rear-view mirror, and then guaranteed the clean and tidy degree of lens.
Preferably, the lens is provided with a diversion trench.
The lens is provided with the guiding gutter and can make the lens impact rainwater or other impurity down easier under the effect of guiding gutter and wind power for the rear-view mirror keeps clean easier.
Preferably, the diversion trench comprises a circumferential diversion trench arranged along the circumferential direction of the lens, a vertical diversion trench is further arranged on the lens, the upper end and the lower end of the vertical diversion trench are connected with the circumferential diversion trench in a guiding manner, and the vertical diversion trench divides the lens into two areas with the vertical diversion trench as a limit.
The guiding gutter of circumferencial direction can make rainwater along axial guiding gutter landing, and set up vertical guiding gutter and not only can make the rainwater carry out the landing along vertical guiding gutter, and because vertical guiding gutter breaks up into two regions with the lens, two regions are respectively being close to the driver's cabin and keep away from two regions of driver's cabin for the driver can observe the running condition of following vehicle through these two regions, can carry out operations such as lane change turn when the rear vehicle appears being close to the driver's cabin region on the lens, in order to make things convenient for judgement that the driver carried out when driving.
Compared with the prior art, the invention has the beneficial effects that: (1) The size of the wake flow intensity and the wake flow area at the rear part of the rearview mirror can be reduced by increasing the turbulence opening, so that the pneumatic noise generated by the rearview mirror is reduced; (2) The rearview mirror is automatically cleaned by utilizing air, so that the attachment of rainwater or dust can be reduced, and the rearview mirror is kept clean.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of another aspect of the present invention;
FIG. 3 is a top view of the telescoping module of the present invention;
FIG. 4 is a cross-sectional view of the telescoping module of the present invention at the tab;
FIG. 5 is a cross-sectional view of the expansion module of the present invention at a spoiler notch;
FIG. 6 is a schematic view of the operation of the arcuate flow guide surface of the present invention;
FIG. 7 is a schematic view of the structure of the lens of the present invention;
FIG. 8 is a schematic structural view of the transmission mechanism of the present invention;
FIG. 9 is a turbulent kinetic energy cloud of a rearview mirror of the present invention and a prior art rearview mirror;
In the figure: 1. the device comprises a shell, 11, an open end, 12, a turbulent flow opening, 13, a lug, 131, a chute, 132, an abutting block, 2, a lens, 21, a circumferential diversion trench, 22, a vertical diversion trench, 3, a telescopic module, 31, a filling block, 311, a diversion surface, 32, a connecting rod, 321, an abutting strip, 33, a transmission rod, 331, a first transmission rod, 332, a second transmission rod, 34, a cross rod, 35, a transmission rack, 4, a telescopic mechanism, 41, a motor, 42 and a speed reducer; 51. position one; 52. position two; 53. region one, 54, region two.
Detailed Description
The technical scheme of the invention is further specifically described by the following specific embodiments with reference to the accompanying drawings:
Example 1: referring to fig. 1 and 2, a low noise rear view mirror includes: a rearview mirror housing 1, the rearview mirror housing 1 being provided with an open end 11 for mounting a lens; the lens 2 is arranged in the opening end 11, a plurality of turbulence openings 12 are formed in the circumferential direction of the opening end 11, and the openings of the turbulence openings 12 are semicircular with the diameter ranging from 10mm to 20 mm.
In order to reduce the size of the wake intensity and wake area of the rearview mirror simultaneously, a plurality of turbulence openings 12 are formed in the circumferential direction of the opening end 11, the turbulence openings 12 are formed so that the airflow in the outer circumferential direction of the opening end of the rearview mirror is mixed in advance, compared with the rearview mirror without the turbulence openings 12, the rear part of the rearview mirror can form small vortex at the rear part of the rearview mirror through the action of the turbulence openings 12, the airflow in the outer circumferential direction of the opening end 11 of the rearview mirror can be mixed in advance, the vortex shedding phenomenon at the edge layer in the outer circumferential direction of the opening end 11 of the rearview mirror is further suppressed, the size of the tail vortex area of the rearview mirror is further reduced, the pressure pulsation of the rearview mirror is reduced, the turbulence pulsation at the rear part of the rearview mirror is greatly weakened, and thus the pneumatic noise is reduced.
According to the invention, under the condition that the automobile moves at a certain speed, the CFD flow field analysis is carried out on the rearview mirror through starccm, the analysis result is shown in fig. 9, the first position 51 is the edge of the rearview mirror in the prior art, the second position 52 is the vortex opening 12 of the rearview mirror, and as can be obviously seen from the figure, the airflow at the second position 52 is rolled down in advance compared with the airflow at the first position 51, so that the advanced mixing of the airflows is realized; because the mirror frame is provided with the turbulence opening 12, the rear flow field of the rearview mirror moves downwards integrally compared with a horizontal line, so that a driver is far away from a sound source; the first area 53 is the area of greatest turbulence in the prior art, the second area 54 is the area of greatest turbulence in the present invention, and it is obvious from the figure that the area two 54 has reduced maximum turbulence kinetic energy and significantly reduced maximum kinetic energy turbulence compared with the area one 53, thereby realizing the reduction of the noise of the rearview mirror. Therefore, compared with the prior art, the noise generated by the automobile rearview mirror can be obviously reduced.
Example 2: referring to fig. 3, the present embodiment is similar to embodiment 1 in structure, except that a telescopic module 3 is disposed on the upper side edge of the opening end 11, the telescopic module 3 is connected with a telescopic mechanism 4, and the telescopic mechanism 4 drives the telescopic module 3 to move so that the turbulence opening 12 is opened or closed. The telescopic mechanism 4 comprises a motor 41, the motor 41 is connected with the input end of a speed reducer 42, and the output end of the speed reducer 42 is connected with a transmission gear. The motor 41 is connected with the PCL control circuit, and the motor 41 can have three working states under the control of the PCL control circuit. The telescopic module 3 comprises a plurality of filling blocks 31 for filling the turbulent flow gaps 12, the filling blocks 31 are connected through connecting rods 32, the connecting rods 32 are connected with a transmission rod 33, and the transmission rod 33 is connected with a telescopic mechanism; a convex block 13 is formed between the turbulence openings 12, a chute 131 is arranged in the convex block 13, and the connecting rod 32 can slide in the chute 131.
The transmission rod 33 is connected through a cross rod 34, the cross rod 34 is connected with a transmission rack 35, and the transmission rack 35 is meshed with a transmission gear at the output end of the speed reducer 42; and the telescopic module 3 is driven to perform telescopic movement by rotation of the motor 41.
The transmission rod 33 is driven to move through the telescopic mechanism 4, the transmission rod 33 drives the connecting rod 32 to move, and the connecting rod 32 can slide in the sliding groove 131, so that the filling block 31 can be matched with the turbulence opening 12 through the driving of the telescopic mechanism 4, and the turbulence opening 12 is closed; when the turbulence opening 12 is closed, the turbulence opening 12 can play a role in shielding rain, and the visual field of the lens is ensured.
Example 3: referring to fig. 4 to 8, the present embodiment is similar to embodiment 2 in structure, except that an arc-shaped guide surface 311 is provided on one side of the filler block 31 close to the rear view mirror housing 1; the transmission rod 33 includes a first transmission rod 331 and a second transmission rod 332, one end of the first transmission rod 331 is hinged to one end of the second transmission rod 332, and the other end of the first transmission rod 331 is fixedly connected to one end of the connecting rod 32. The other end of the second transmission rod 332 is hinged with the cross rod 34; the upper and lower both ends of connecting rod 32 are provided with the butt strip 321 along connecting rod 32 axial direction, are provided with butt piece 132 in the spout 131, and when butt strip 321 contacted with butt piece 132, connecting rod 32 takes place the rotation around butt piece 132.
When telescopic machanism 4 drives transfer line 33 and carries out the transmission, when butt strip 321 and butt piece 132 contact, can make connecting rod 32 rotate around butt strip 321, the rotation of connecting rod 32 drives the rotation of filling piece 31 for filling piece 31 takes place certain rotation, and then can make more air pass through the space between filling piece 31 and rearview mirror housing 1 can contact with the rearview mirror, and then guaranteed the clean and tidy degree of lens. In order to clean the rainwater on the lens in one step, the guide groove is arranged on the lens.
The guiding gutter includes the circumference guiding gutter 21 that sets up along lens 2 circumferencial direction, still is provided with a vertical guiding gutter 22 on the lens 2, and the upper and lower both ends and the circumference guiding gutter 21 of vertical guiding gutter 22 are connected, and vertical guiding gutter 22 divide into two regions with vertical guiding gutter 22 as the boundary with the lens.
The guiding gutter of circumferencial direction can make the rainwater follow circumference guiding gutter 31 landing, and set up vertical guiding gutter 321 and not only can make the rainwater carry out the landing along vertical guiding gutter 32, and because vertical guiding gutter 32 breaks up the lens into two regions, two regions are respectively being close to the driver's cabin and keeping away from two regions of driver's cabin for the driver can observe the running condition of following vehicle through these two regions, can carry out operations such as lane change turn when the rear vehicle appears being close to the driver's cabin region on the lens, in order to make things convenient for judgement that the driver carried out when driving.
According to the invention, the turbulence opening 12 is arranged in the circumferential direction of the opening end 11 of the rearview mirror shell 1, so that the wake intensity and the size of a wake area at the rear part of the rearview mirror can be effectively reduced, and further the pneumatic noise generated by the rearview mirror can be reduced; by arranging the telescopic module 3 and the telescopic mechanism 4, the telescopic mechanism has three general working states through the control of the PCL circuit, and the first state keeps the telescopic module 3 contracted so that the turbulence opening 12 is in an opened state for reducing pneumatic noise; in the second working state, in order to reduce the phenomenon that rainwater is attached to the lens when raining, the PCL control circuit controls the motor to move, so that the filling block 31 can be matched with the turbulence opening 12, the turbulence opening 12 is completely filled, the effect of closing the turbulence opening 12 is further achieved, and the rainwater is reduced from being attached to the lens; in the third working state, in order to make rainwater or dust on the lens clean by utilizing the air force, the connecting rod 32 is continuously pushed to move by controlling the rotation of the motor 41 through the PCL, when the abutting strip 321 on the connecting rod 32 abuts against the abutting block 132 in the sliding groove 131 in the convex block 13, the connecting rod 32 rotates to a certain extent, the rotation of the connecting rod 32 drives the filling block 31 to rotate, a certain gap is formed between the rearview mirror housing 1 and the filling block 31, the filling block 31 is tilted upwards, more wind can pass through the gap between the rearview mirror housing 1 and the filling block 31, the air can be guided onto the lens 2 through the arc-shaped guide surface 311 on the filling block 31, and the rainwater or dust on the lens 2 can be cleaned rapidly by the action between the air and the lens 2, so that the purpose of cleaning the lens 2 is achieved.
The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (4)
1. A low noise rearview mirror, comprising: a rearview mirror housing provided with an open end for mounting a lens; a lens is arranged in the opening end, and a turbulence opening is formed in the circumferential direction of the opening end;
The upper side edge of the opening end is provided with a telescopic module, the telescopic module comprises a plurality of filling blocks for filling the turbulent flow openings, the filling blocks are connected through connecting rods, and the connecting rods are connected with a transmission rod; a convex block is formed between the turbulence openings, a sliding groove is arranged in the convex block, and the connecting rod can slide in the sliding groove; an arc-shaped guide surface is arranged on one side, close to the rearview mirror shell, of the filling block;
the telescopic module is connected with a telescopic mechanism, and the telescopic mechanism drives the telescopic module to move so that the turbulence opening is opened or closed;
The transmission rod is connected with the telescopic mechanism;
The transmission rod comprises a first transmission rod and a second transmission rod, and one end of the first transmission rod is hinged with one end of the second transmission rod; the upper and lower both ends of connecting rod are provided with the edge connecting rod axial direction is provided with the butt strip, be provided with the butt piece in the spout, when the butt strip with the butt piece contacts, the connecting rod is around the butt piece takes place to rotate.
2. The low noise rearview mirror according to claim 1, wherein the lens is provided with a diversion trench.
3. The low noise rearview mirror according to claim 2, wherein the diversion trench comprises a circumferential diversion trench arranged along the circumferential direction of the lens, a vertical diversion trench is further arranged on the lens, the upper end and the lower end of the vertical diversion trench are connected with the circumferential diversion trench in a guiding manner, and the vertical diversion trench divides the lens into two areas with the vertical diversion trench as a boundary.
4. A vehicle comprising the low noise rearview mirror of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453379.8A CN114523903B (en) | 2021-12-01 | 2021-12-01 | Low-noise rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453379.8A CN114523903B (en) | 2021-12-01 | 2021-12-01 | Low-noise rearview mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114523903A CN114523903A (en) | 2022-05-24 |
| CN114523903B true CN114523903B (en) | 2024-04-19 |
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ID=81618922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111453379.8A Active CN114523903B (en) | 2021-12-01 | 2021-12-01 | Low-noise rearview mirror |
Country Status (1)
| Country | Link |
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| CN (1) | CN114523903B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3923947A1 (en) * | 1989-07-19 | 1991-01-24 | Magna Auteca Autozubehoer | Vehicle exterior mirror fitted to rear face of housing - has a housing rim, mirror, fitted with vent, that directs air at surrounding mirror surface |
| DE4039484A1 (en) * | 1990-12-11 | 1992-06-17 | Bayerische Motoren Werke Ag | External vehicle rear view side mirror - has uneven section in air flow path for reduced wind noise |
| FR2893566A1 (en) * | 2005-11-18 | 2007-05-25 | Peugeot Citroen Automobiles Sa | Motor vehicle`s rearview mirror, has case including wall extended by mounting foot and terminated by edge, where edge has undulations for weakening turbulences of airflow surrounding rearview mirror |
| CN102529820A (en) * | 2012-01-05 | 2012-07-04 | 重庆长安汽车股份有限公司 | Flow perturbation component for reducing eddy noise of automobile rear view mirror |
| CN105398390A (en) * | 2015-11-23 | 2016-03-16 | 天津华夏联盛汽车部件有限公司 | Novel outer rear view mirror for vehicle |
| CN107187391A (en) * | 2017-05-27 | 2017-09-22 | 成都创科升电子科技有限责任公司 | Vehicle mirrors adjusting means |
| CN206520548U (en) * | 2017-01-24 | 2017-09-26 | 上海干巷车镜实业有限公司 | A kind of rearview mirror Decorative Cover with decrease of noise functions |
| CN209426666U (en) * | 2018-12-27 | 2019-09-24 | 绿驰汽车科技（上海）有限公司 | A kind of automobile rearview mirror reducing wind noise |
| CN113696823A (en) * | 2021-08-24 | 2021-11-26 | 浙江零跑科技股份有限公司 | Low wind noise automobile rearview mirror |
-
2021
- 2021-12-01 CN CN202111453379.8A patent/CN114523903B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3923947A1 (en) * | 1989-07-19 | 1991-01-24 | Magna Auteca Autozubehoer | Vehicle exterior mirror fitted to rear face of housing - has a housing rim, mirror, fitted with vent, that directs air at surrounding mirror surface |
| DE4039484A1 (en) * | 1990-12-11 | 1992-06-17 | Bayerische Motoren Werke Ag | External vehicle rear view side mirror - has uneven section in air flow path for reduced wind noise |
| FR2893566A1 (en) * | 2005-11-18 | 2007-05-25 | Peugeot Citroen Automobiles Sa | Motor vehicle`s rearview mirror, has case including wall extended by mounting foot and terminated by edge, where edge has undulations for weakening turbulences of airflow surrounding rearview mirror |
| CN102529820A (en) * | 2012-01-05 | 2012-07-04 | 重庆长安汽车股份有限公司 | Flow perturbation component for reducing eddy noise of automobile rear view mirror |
| CN105398390A (en) * | 2015-11-23 | 2016-03-16 | 天津华夏联盛汽车部件有限公司 | Novel outer rear view mirror for vehicle |
| CN206520548U (en) * | 2017-01-24 | 2017-09-26 | 上海干巷车镜实业有限公司 | A kind of rearview mirror Decorative Cover with decrease of noise functions |
| CN107187391A (en) * | 2017-05-27 | 2017-09-22 | 成都创科升电子科技有限责任公司 | Vehicle mirrors adjusting means |
| CN209426666U (en) * | 2018-12-27 | 2019-09-24 | 绿驰汽车科技（上海）有限公司 | A kind of automobile rearview mirror reducing wind noise |
| CN113696823A (en) * | 2021-08-24 | 2021-11-26 | 浙江零跑科技股份有限公司 | Low wind noise automobile rearview mirror |
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|---|---|
| CN114523903A (en) | 2022-05-24 |
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