CN104442577B - A kind of vehicle road backsight control system - Google Patents
A kind of vehicle road backsight control system Download PDFInfo
- Publication number
- CN104442577B CN104442577B CN201410719736.4A CN201410719736A CN104442577B CN 104442577 B CN104442577 B CN 104442577B CN 201410719736 A CN201410719736 A CN 201410719736A CN 104442577 B CN104442577 B CN 104442577B
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 230000003321 amplification Effects 0.000 claims abstract 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract 3
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
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- 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
- B60R1/062—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position
- B60R1/07—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8066—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring rearward traffic
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- 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 kind of vehicle road backsight control system, including the angular transducer being arranged on steering wheel for vehicle bearing, angular transducer is for detecting the angle that steering wheel turns over, the outfan of angular transducer is connected with the input of amplifying circuit, the input that the outfan of amplifying circuit is changed with A/D is connected, A/D conversion is connected with controller, controller is connected with the input of power amplification circuit, the outfan of power amplification circuit is connected with motor, when vehicle road, motor drives vehicle mirrors to be turned out, and expands the driver visual field.The present invention can display whether You Bing road car and relative distance thereof and speed intuitively, and will not regarded by operator, is greatly improved the drive safety of transport facility.
Description
Technical field
The present invention relates to a kind of vehicle road system, particularly relate to a kind of vehicle road backsight control system.
Background technology
Fixing because of original rearview mirror of vehicle both sides when driving, and cannot be seen other during road
Equidirectional driving vehicle on track, is easy to the vehicle accident that collides, particularly at bend when also road
During Shang Bing road the most dangerous.Existing and road aid system simply has suggesting effect, it is impossible to judge with other also
The distance of road car and speed, the most intuitively, and cue is not easily regarded by driver.
Summary of the invention
It is contemplated that at least solve technical problem present in prior art, the most innovatively propose one
Vehicle road backsight control system.
In order to realize the above-mentioned purpose of the present invention, the invention provides a kind of vehicle road backsight control system,
It includes the angular transducer being arranged on steering wheel for vehicle bearing, and described angular transducer is used for detecting described
The angle that steering wheel turns over, the outfan of described angular transducer is connected with the signal input part of controller, institute
The input of the outfan and drive circuit of stating controller is connected, the outfan of described drive circuit and stepping electricity
The input of machine is connected, the signal that described controller exports according to angular transducer, controls motor and drives
Rearview mirror rotates;
When vehicle road, steering wheel rotates, and angular transducer leaves just position, and described controller is according to angle
The signal of degree sensor output drives rearview mirror to be turned out by controlling motor, expands the driver visual field;
When angular transducer resets to first position, the signal that described controller exports according to angular transducer leads to
Crossing control motor drives rearview mirror inwardly to rotate and synchronize to return to initial position.
The angle that the steering wheel for vehicle that angular transducer gathers rotates, by angular transducer with the shape of the signal of telecommunication
In formula input controller, the voltage signal change that controller is exported by angular transducer controls motor
Rotation.
In the preferred embodiment of the present invention, described drive circuit includes the first audion, described
The colelctor electrode of one audion and one end of the 15th resistance are connected, the other end of described 15th resistance and power supply
It is connected;The emitter stage of described first audion respectively with one end, one end of the first electric capacity and of the 7th resistance
One end of nine resistance is respectively connected with, the other end of described 7th resistance respectively with one end of the 8th resistance and described
The other end of the first electric capacity is connected, and the other end of described 9th resistance and one end of the first diode are connected, institute
The other end of the other end and described 8th resistance of stating the first diode is connected with motor respectively.
Enough running powers are provided to motor.Wherein the 8th resistance plays metering function, also plays and changes
Kind loop time constant;The counter electromotive force that first diode makes motor winding produce passes through the first diode
And attenuate, thus it is without damage to protect the firstth audion;First electric capacity improve inject motor around
The current impulse forward position of group, improves the high frequency performance of motor;7th resistance reduces the discharge time in loop
Constant, makes the tailing edge steepening of current impulse in winding, and electric current declines and diminishes between elbow, plays raising high-frequency work
The effect of performance.
In the preferred embodiment of the present invention, amplifying circuit, the input of described amplifying circuit are also included
End is connected with the outfan of described angular transducer, the outfan of described amplifying circuit and the letter of described controller
Number input is connected, and described amplifying circuit includes amplifier, and the inverting input of described amplifier is respectively with the
One end of four resistance and one end of the 5th resistance are connected, the other end of described 5th resistance and described amplifier
Outfan is connected;The normal phase input end of described amplifier respectively with one end and the one of the 3rd resistance of the second resistance
End is connected, and the described other end of the second resistance is connected with the sliding end of slide-changing resistor, the one of described slide-changing resistor
End be connected with one end of power supply, the other end of described slide-changing resistor and the other end of described 3rd resistance respectively with
It is connected power supply.Circuit is simple, it is easy to accomplish.Slide-changing resistor is conducive to check and correction angular transducer not rotate
Time voltage output
In the one more preferably embodiment of the present invention, described second resistance and the resistance of described 4th resistance
Being worth identical, described 3rd resistance is identical with the resistance of described 5th resistance.
In the preferred embodiment of the present invention, also include that A/D changes, the signal of described A/D conversion
Input is connected with the outfan of described amplifying circuit, the input end of clock of described A/D conversion and controller
Clock signal input terminal is connected, the data output end of described A/D conversion and the signal input part of described controller
Being connected, the data input pin of described A/D conversion is connected with the data output end of controller.
In the preferred embodiment of the present invention, relay, the input circuit of described relay are also included
One end be connected with one end of switch, the other end of described switch is connected with one end of power supply, described power supply
The other end is connected with the other end of the input circuit of described relay, and the output loop of described relay is with described
The electric power loop series connection of controller.When also road, for opening and road back-sight visual system.
In the preferred embodiment of the present invention, also including filter circuit, described filter circuit is with described
The outfan series connection of angular transducer, described filter circuit includes the 3rd electric capacity, the 4th electric capacity and inductance, institute
One end of one end and the 3rd electric capacity of stating inductance is connected, the other end of described inductance and one end phase of the 4th electric capacity
Even, the other end of described 3rd electric capacity and the other end of the 4th electric capacity respectively with power supply be connected.The most defeated
The waveform gone out is the most smooth.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: the present invention can
Display whether You Bing road car and relative distance thereof and speed intuitively, and will not regarded by operator, significantly
Improve the drive safety of transport facility.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present invention;
Fig. 2 is schematic diagram of the present invention;
Fig. 3 is steering wheel schematic diagram in Fig. 2;
Fig. 4 is rearview mirror schematic diagram in Fig. 2;
Fig. 5 is rearview mirror schematic diagram in Fig. 2;
Fig. 6 is circuit diagram of the present invention;
Fig. 7 is vehicle road schematic diagram;
Fig. 8 is vehicle road schematic diagram.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, wherein certainly
Begin to same or similar label eventually represent same or similar element or there is the unit of same or like function
Part.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
In describing the invention, it is to be understood that term " longitudinally ", " laterally ", " on ", D score,
"front", "rear", "left", "right", " vertically ", " level ", " top ", " end "
Orientation or the position relationship of the instruction such as " interior ", " outward " are based on orientation shown in the drawings or position relationship, only
It is necessary for the ease of describing the present invention and simplification description rather than instruction or the device of hint indication or element
There is specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
In describing the invention, unless otherwise prescribed and limit, it should be noted that term " is installed ",
" be connected ", " connection " should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be
The connection of two element internals, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for
For those of ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The invention provides a kind of vehicle road backsight control system, as shown in Figure 1-Figure 3, including being arranged on
Angular transducer 2 on steering wheel for vehicle 1 bearing, this angular transducer 2 is for detecting what steering wheel 1 turned over
Angle, the outfan of angular transducer 2 is connected with the signal input part of controller, the outfan of controller with
The input of drive circuit is connected, and the outfan of drive circuit is connected with the input of motor, drives electricity
The outfan on road is connected with the input of motor, the signal that controller exports according to angular transducer, control
Motor processed drives rearview mirror to rotate.
When vehicle road, steering wheel rotates, and angular transducer leaves just position, whether turns left still
Turn right, controller all according to angular transducer output signal by control motor drive rearview mirror to
Outer rotation, expands the driver visual field;In the present embodiment, motor uses 4 phase 5 line systems.Work as angle
When degree sensor resets to first position, the signal that controller exports according to angular transducer is electric by controlling stepping
Machine drives rearview mirror inwardly to rotate and synchronize to return to initial position.Should be noted that, this system is not limited at vapour
Using in car, motorcycle and electric motor car, as long as needing all to install this on the vehicles of installation rearview mirror being
System.
In the preferred embodiment of the present invention, as shown in Figure 6, described drive circuit includes the one or three
Pole is managed, and the colelctor electrode of described first audion and one end of the 15th resistance are connected, described 15th resistance
The other end is connected with power supply;The emitter stage of described first audion respectively with one end of the 7th resistance, the first electricity
One end and one end of the 9th resistance of holding are respectively connected with, the other end of described 7th resistance respectively with the 8th resistance
One end and the other end of described first electric capacity be connected, the other end of described 9th resistance and the first diode
One end be connected, the other end of described first diode and the other end of described 8th resistance respectively with motor
It is connected.In the present embodiment, the number of drive circuit is equal with the number of phases of motor, only gives one
Individual identical drive circuit, the circuit of other phase drive circuit connects identical with this drive circuit connected mode;
In the present embodiment, audion can be replaced by field effect transistor, is not limited to use enhancement mode N-type metal-oxide-semiconductor,
Its attachment structure: the source electrode of N-type metal-oxide-semiconductor and one end of the 15th resistance are connected, the drain electrode of N-type metal-oxide-semiconductor with
One end of 7th resistance is connected.The concrete attachment structure of other kinds of metal-oxide-semiconductor, uses similar connection knot
Structure, does not repeats at this.
In the preferred embodiment of the present invention, amplifying circuit, the input of described amplifying circuit are also included
End is connected with the outfan of described angular transducer, the outfan of described amplifying circuit and the letter of described controller
Number input is connected, and described amplifying circuit includes amplifier, and the inverting input of described amplifier is respectively with the
One end of four resistance and one end of the 5th resistance are connected, the other end of described 5th resistance and described amplifier
Outfan is connected;The normal phase input end of described amplifier respectively with one end and the one of the 3rd resistance of the second resistance
End is connected, and the described other end of the second resistance is connected with the sliding end of slide-changing resistor, the one of described slide-changing resistor
End be connected with one end of power supply, the other end of described slide-changing resistor and the other end of described 3rd resistance respectively with
It is connected power supply.In the present embodiment, described second resistance is identical with the resistance of described 4th resistance, institute
State the 3rd resistance identical with the resistance of described 5th resistance.
In the preferred embodiment of the present invention, also include that A/D changes, the signal of described A/D conversion
Input is connected with the outfan of described amplifying circuit, the input end of clock of described A/D conversion and controller
Clock signal input terminal is connected, the data output end of described A/D conversion and the signal input part of described controller
Being connected, the data input pin of described A/D conversion is connected with the data output end of controller.In present embodiment
In, the specification of A/D conversion is AD7810, is not limited to use the A/D of 10 to change, it is also possible to use other
The higher A/D of precision changes, example AD9434 or AD1674.A/D conversion and controller and amplifying circuit
Annexation is: the outfan of amplifier is connected with the analogue signal in-phase input end of AD7810, AD7810's
Power supply ground end and analogue signal inverting input respectively with power supply be connected, the power end of AD7810 and conversion ginseng
Examine voltage input end to be connected with one end, one end of the 6th electric capacity and the power end of the 5th electric capacity respectively, the 5th electricity
Hold the other end and the 6th electric capacity the other end respectively with power supply be connected;The input end of clock of AD7810 and control
The output terminal of clock of device processed is connected, and it is defeated with the conversion signal of controller that the conversion of AD7810 starts input signal end
Going out end to be connected, the serial data output terminal of AD7810 is connected with the data input pin of controller.Other types core
The circuit diagram that sheet is connected with amplifying circuit and controller, uses the intrinsic basic connection of this chip, does not does at this
Repeat.
In the preferred embodiment of the present invention, relay, the input circuit of described relay are also included
One end be connected with one end of switch, the other end of described switch is connected with one end of power supply, described power supply
The other end is connected with the other end of the input circuit of described relay, and the output loop of described relay is with described
The electric power loop series connection of controller.
In the preferred embodiment of the present invention, also including filter circuit, described filter circuit is with described
The outfan series connection of angular transducer, described filter circuit includes the 3rd electric capacity, the 4th electric capacity and inductance, institute
One end of one end and the 3rd electric capacity of stating inductance is connected, the other end of described inductance and one end phase of the 4th electric capacity
Even, the other end of described 3rd electric capacity and the other end of the 4th electric capacity respectively with power supply be connected.In this enforcement
In mode, it is not limited to use π type filter circuit, it would however also be possible to employ other kinds of filter circuit, example is T-shaped
Filter circuit or L-type filter circuit, the technological means that its connected mode is known in the art, at this not
Repeat.
In the present embodiment, as shown in Figures 4 and 5, rearview mirror includes body of backsight mirror 3, at rearview mirror
Being provided with motor (not shown) in body 3, the rotary shaft of motor is fixed on and after road auxiliary
In visor 4, or the rotary shaft of motor is driven by power transmission shaft and road rearview mirror rotates;When also road,
Motor drives and road auxiliary mirror 3 rotates, and body of backsight mirror keeps geo-stationary with vehicle body.This is also
Road auxiliary mirror be intended on original rearview mirror to install additional or be new after after mirror on set up and road auxiliary mirror, no
Affect the former rear-view mirror device of the vehicles and driving habits, increase the visual field of driver.
As shown in Figures 7 and 8, when driver turns's steering wheel, the also road auxiliary mirror of the right and left
Rotating outside vehicle body, (the also road auxiliary mirror on the left side turns clockwise, after the also road auxiliary on the right simultaneously
Visor rotates counterclockwise) so driver just can see the vehicle of vehicle body both sides more mitre, particularly curved
Its safety effect more aobvious when Dao Shangbing road or lane change.The initial position of its deuterzooid road supplemental rear vision system can set
It is set to the angle more outside than body of backsight mirror, and road auxiliary mirror is plus original left and right two on the vehicles
Rearview mirror, can see the vehicle in tri-directions of A, B, C when turning or lane change.So when keeping straight on just
Eliminating driving blind area can be avoided to increase safety.
Should be noted that, when also road, controller collects the angle that steering wheel rotates, according to this angle
The corresponding motor that controls rotates a certain angle, and this is technological means known in the art, example side
Turning clockwise 20 degree to dish, the magnitude of voltage of sensor output is 3.050v, and amplified circuit amplifies 30 times
Afterwards (magnitude of voltage of the inverting input of amplifier input after slide-changing resistor is calibrated with angular transducer non-angular
The consistent 3v of magnitude of voltage of output during change), the magnitude of voltage that input A/D changes is 1.5v, defeated through A/D conversion
The magnitude of voltage entering controller is 1.5v, rotates 20 degree according to also road auxiliary mirror, and motor need to rotate several
In week, the corresponding motor that controls rotates sequential.It should be noted that data listed above are all
The data citing used in a preferred embodiment, concrete data value is also dependent on practical situation in addition
Set.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
The description of " concrete example " or " some examples " etc. means to combine the concrete spy of this embodiment or example description
Levy, structure, material or feature are contained at least one embodiment or the example of the present invention.In this explanation
In book, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, retouch
Specific features, structure, material or the feature stated can be in any one or more embodiments or example
Combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:
These embodiments can be carried out in the case of without departing from the principle of the present invention and objective multiple change, amendment,
Replacing and modification, the scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. a vehicle road backsight control system, it is characterised in that include being arranged on steering wheel for vehicle bearing
On angular transducer, described angular transducer is for detecting the angle that described steering wheel turns over, described angle
The outfan of sensor is connected with the signal input part of controller, the outfan of described controller and drive circuit
Input be connected, the outfan of described drive circuit is connected with the input of motor, described controller
According to the signal of angular transducer output, control motor and drive rearview mirror to rotate;
Rearview mirror includes that body of backsight mirror, motor are arranged in body of backsight mirror, the rotation of motor
Axle is fixed on and in road auxiliary mirror, or the rotary shaft of motor is driven and road backsight by power transmission shaft
Mirror rotates, and body of backsight mirror keeps geo-stationary with vehicle body;
When vehicle road, steering wheel rotates, and angular transducer leaves just position, and described controller is according to angle
The signal of degree sensor output drives also road auxiliary mirror to be turned out by controlling motor, and expansion is driven
The person of the sailing visual field;
When angular transducer resets to first position, the signal that described controller exports according to angular transducer leads to
Cross the drive of control motor and road auxiliary mirror inwardly rotates and synchronizes to return to initial position.
Vehicle the most according to claim 1 road backsight control system, it is characterised in that described driving
Circuit includes that the first audion, the colelctor electrode of described first audion and one end of the 15th resistance are connected, institute
The other end stating the 15th resistance is connected with power supply;The emitter stage of described first audion respectively with the 7th resistance
One end of one end, one end of the first electric capacity and the 9th resistance be respectively connected with, the other end of described 7th resistance
The other end with one end of the 8th resistance and described first electric capacity is connected respectively, the other end of described 9th resistance
It is connected with one end of the first diode, the other end of described first diode and the other end of described 8th resistance
It is connected with motor respectively.
Vehicle the most according to claim 1 road backsight control system, it is characterised in that also include putting
Big circuit, the input of described amplifying circuit is connected with the outfan of described angular transducer, described amplification electricity
The outfan on road is connected with the signal input part of described controller, and described amplifying circuit includes amplifier, described
The inverting input of amplifier is connected with one end of the 4th resistance and one end of the 5th resistance respectively, and the described 5th
The other end of resistance is connected with the outfan of described amplifier;The normal phase input end of described amplifier is respectively with
One end of two resistance and one end of the 3rd resistance are connected, the other end of described second resistance and the cunning of slide-changing resistor
Moved end is connected, and one end of described slide-changing resistor is connected with one end of power supply, the other end of described slide-changing resistor and
The other end of described 3rd resistance respectively with power supply be connected.
Vehicle the most according to claim 3 road backsight control system, it is characterised in that described second
Resistance is identical with the resistance of described 4th resistance, and described 3rd resistance is identical with the resistance of described 5th resistance.
Vehicle the most according to claim 3 road backsight control system, it is characterised in that also include A/D
Conversion, the signal input part of described A/D conversion is connected with the outfan of described amplifying circuit, and described A/D turns
The input end of clock changed is connected with the clock signal input terminal of controller, the data output end of described A/D conversion
It is connected with the signal input part of described controller, the data input pin of described A/D conversion and the data of controller
Outfan is connected.
Vehicle the most according to claim 1 road backsight control system, it is characterised in that also include continuing
Electrical equipment, one end of the input circuit of described relay is connected with one end of switch, the other end of described switch with
One end of power supply is connected, and the other end of described power supply is connected with the other end of the input circuit of described relay,
The output loop of described relay is connected with the electric power loop of described controller.
Vehicle the most according to claim 1 road backsight control system, it is characterised in that also include filter
Wave circuit, described filter circuit connects with the outfan of described angular transducer, and described filter circuit includes
Three electric capacity, the 4th electric capacity and inductance, one end of described inductance is connected with one end of the 3rd electric capacity, described inductance
The other end and the 4th electric capacity one end be connected, the other end of described 3rd electric capacity and the other end of the 4th electric capacity
Respectively with power supply be connected.
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CN201410719736.4A CN104442577B (en) | 2014-12-01 | 2014-12-01 | A kind of vehicle road backsight control system |
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CN201410719736.4A CN104442577B (en) | 2014-12-01 | 2014-12-01 | A kind of vehicle road backsight control system |
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CN104442577A CN104442577A (en) | 2015-03-25 |
CN104442577B true CN104442577B (en) | 2016-09-14 |
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Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6650457B2 (en) * | 2001-05-21 | 2003-11-18 | Gentex Corporation | Rearview mirror constructed for efficient assembly |
JP2003312364A (en) * | 2002-04-19 | 2003-11-06 | Murakami Corp | Angle control device for vehicle mirror |
CN2611224Y (en) * | 2002-12-02 | 2004-04-14 | 康晴 | Transmission mechanism of electric reverser of rearview mirror |
CN201538284U (en) * | 2009-11-30 | 2010-08-04 | 温州大学 | Automatic flip car rearview mirror device |
CN103057478A (en) * | 2011-10-20 | 2013-04-24 | 昆达电脑科技(昆山)有限公司 | Intelligent car rear view mirror |
CN202345539U (en) * | 2011-11-01 | 2012-07-25 | 长安大学 | Intelligent rearview mirror control device |
CN202480987U (en) * | 2012-03-09 | 2012-10-10 | 陈栋 | Novel steering rearview mirror |
CN202574002U (en) * | 2012-04-25 | 2012-12-05 | 柳州市通顺汽车部件有限责任公司 | Automatic steering rear-view mirror of automobile |
CN203093898U (en) * | 2013-01-31 | 2013-07-31 | 浙江吉利汽车研究院有限公司杭州分公司 | Vehicle servo rearview mirror |
CN204296587U (en) * | 2014-12-01 | 2015-04-29 | 杨森彪 | Vehicle merge backsight control system |
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2014
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