CN108248349A - Solve the device and method that automobile can't see traffic lights because of strong light direct beam - Google Patents
Solve the device and method that automobile can't see traffic lights because of strong light direct beam Download PDFInfo
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- CN108248349A CN108248349A CN201810092340.XA CN201810092340A CN108248349A CN 108248349 A CN108248349 A CN 108248349A CN 201810092340 A CN201810092340 A CN 201810092340A CN 108248349 A CN108248349 A CN 108248349A
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- Prior art keywords
- slideway
- polarizing film
- automobile
- traffic lights
- drawstring
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- 238000000034 method Methods 0.000 title description 6
- 239000011521 glass Substances 0.000 claims abstract description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 12
- 210000002469 basement membrane Anatomy 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000010345 tape casting Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010408 film Substances 0.000 claims 14
- 230000003287 optical effect Effects 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/06—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles using polarising effect
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
Abstract
The device of traffic lights is can't see because of strong light direct beam the invention discloses a kind of solution automobile, including moving polarizing film device on a kind of windshield, it is characterised in that：Polarizing film device is moved on the windshield to include mounted on slideway beside automobile A column, and the polarizing film constriction device mounted on shield glass top, the thin constriction device of the polarisation is by scroll spring, central shaft, polarizing film volume is formed, the scroll spring winding is on center shaft, scroll spring tail end connects polarizing film, polarizing film circumvolution is wound on scroll spring, the other end of polarizing film is fixed on sliding block, the sliding block is mounted in slideway, the sliding block is connected with drawstring, the drawstring is applied in slideway, it only needs that drawstring is pulled polarizing film can be pulled to roll up when needing, the position of the lower part of slideway close to central control board is provided with fixed lock, drawstring can be fixed in fixed lock.
Description
Technical field
The invention belongs to vehicle safety travel technical fields, more particularly to solve automobile and can't see red because of strong light direct beam
The device and method of green light.
Background technology
The people for driving vehicle have an experience, daytime sunlight strong or direct projection human eye, the eyes that can cause people are dazzling,
Just do not see traffic lights at this time, it is more likely that invisible traffic lights accidentally make a dash across the red light, and are taken by electronic traffic eye, wait know rush it is red
, can be very annoyed after the deduction of points such as lamp fine, the common solution of people is to wear polariscope, but not in such cases
What everyone was ready in vehicle has polariscope, still more when needs to wear polariscope, is required for manually wearing,
It is time-consuming and laborious, it is also possible to influencing driving safety in way is travelled, in addition there are some anomalous trichromatisms patient, when sunlight is strong, meeting
It can't see traffic lights.There is not set of system scheme in the existing technology in this field, also nobody is in order to which this asks
It inscribes and resolving ideas and method is provided.
Invention content
The purpose of the present invention is to provide a kind of control system that automobile is avoided to can't see because of strong light direct beam traffic lights,
The technical issues of with having solved to mention in background technology.
Be related to traffic lights, sunlight, human eye three elements in the present invention, if to solve the problems, such as strong light direct beam it is necessary to
Start in terms of three from this,
For that can add solar protection devices directly on traffic lights in terms of traffic lights, but solar protection devices is set on traffic lights,
But the region of crossroad effectively can not be all covered, it is furthermore possible that the sight of traffic can be influenced, influence security row
It sails.
The route of sun light direct beam can not be changed, be also possible to influence regarding for front windshield human eye even if changing
Line, therefore without improvement.
For human eye, direct sunlight human eye can introduce intermediary, blocked using intermediary and filter out strong light or utilization
Intermediary reacts the information of traffic lights.So the basic principle of this programme is to introduce intermediary, there are 2 sets for the introducing of intermediary
Scheme,
1. directly on front windshield, polarizing film is laminated, forms polariscope.
It is specially removable on a kind of windshield to solve the device that automobile can't see traffic lights because of strong light direct beam
Dynamic polarizing film device, includes mounted on slideway beside automobile A column and the polarisation mounted on shield glass top
Film Shrinking Device, the thin constriction device of the polarisation are made of scroll spring, central shaft, polarizing film volume, the scrollwork
On center shaft, scroll spring tail end connection polarizing film, polarizing film circumvolution is wound on scroll spring spring wrap, and polarisation is thin
The other end of film is fixed on sliding block, and the sliding block is mounted in slideway, and the sliding block is connected with drawstring, the drawstring
It is applied in slideway, only needs that drawstring is pulled polarizing film can be pulled to roll up when needing, the lower part of slideway is close to central control board
Position be provided with fixed lock, drawstring can be fixed in fixed lock.
Further, slideway is mounted in vehicle right and left A columns both sides, between the slideway of vehicle right and left A columns both sides installation
Connection slideway is additionally provided with, the drawstring set in the slideway of the left and right A columns both sides synthesizes a note in left side A columns, should by stretching
Drawstring can control polarizing film constriction device.So as to preferably pull down polarizing film.As a preferred option, in left side A columns
A fixed pulley is installed in lower end, and the drawstring set in the slideway of left and right A columns both sides synthesizes a note by the fixed pulley.
Further, the installation track of the slideway is consistent with the extending direction of automobile A column, the slideway right angle setting
On automobile A column and slideway fluting direction is consistent with front windshield mounting surface, so that the operation of slideway is more smooth.
Further, the slideway is formed for hard material, and the sliding block is formed for soft material.
Further, the slide track materials consist of the following compositions：Silicon：0.5-0.7, neodymium：0.03-0.06, manganese：
1.20-1.50 sulphur：0.02-0.03, magnesium：9.00-10.50 nickel：0.50-0.80；Copper：1.8-2.0, molybdenum：0.5-0.7, carbon：
0.07-0.09, nitrogen：0.08-0.16, residual elements 0.02-0.32, remaining is Fe.
Further, the slideway is square shape slideway, and an osculum, the size of the osculum are opened up on square shape slideway
It is less than the size of sliding block, to ensure that sliding block is run in slideway without running out of.
Further, the arbitrary face of the sliding block is less than the sectional dimension of shoe channel, to ensure that sliding block can be
Art skating in slideway.
Further, the convergent force of the scroll spring in the polarizing film constriction device is enough to make polarizing film by preceding
Windshield is retracted to upper end by lower end.
The light polarizing film is by polyvinyl alcohol（PVA）, 117 potassium iodide of model（KI）, hydrogen peroxide is prepared,
Preparation method is：
The first step takes 1g PVA and 1mmol KJ to be dissolved in 20ml water, is heated to 85 DEG C and is completely dissolved and cold after mixing
But room temperature is arrived, with the tape casting on polyethylene board, it is 61 μm or so that thickness is obtained after 13 hours dry under 42 degrees Celsius of normal pressures
PVA basement membranes；
Basement membrane is put into 12% hydrogen peroxide and aoxidizes by second step, and oxidizing temperature is 1 DEG C, oxidization time 30-60 seconds；
Third walks, the basement membrane aoxidized on film balance, in the H that 41 DEG C of mass fractions are 4%3BO3It is unidirectionally drawn in solution
It stretches, draw ratio 1-10；
4th step, the film stretched are put into 40 DEG C, in the H that 41 DEG C of mass fractions are 4%3BO3After 4min being impregnated in solution, 40 DEG C
Constant pressure and dry 5 minutes, obtains PVA light polarizing films.
The polarizing film of needs can be largely synthesized according to more than ratio.
The preferred scheme of the drawstring is a kind of steel wire rope, and the steel wire rope rope strand is made of following chemical composition：S<
0.02-0.04%, Cr16.0-19.0%, Ni16.0-20.0%, C<0.01%th, Si<0.30%th, Mn<0.40%th, P<
0.03%th, Mo0.9-1.2%, Ti1.20-1.5%, Zn0.25-0.30%, W0.12-0.30%, Pr0.04-0.06%, surplus
For Fe；The outside face of the steel wire rope rope strand is equipped with plastic layer.
Perfectly solves the technical issues of being proposed in background technology using the present invention.
2. intermediary reacts the information of traffic lights, the scheme under this kind of technology path is：
Solve automobile can't see because of strong light direct beam traffic lights device be specially one kind avoid automobile because of strong light direct beam and
It can't see the control system of traffic lights, it is characterised in that：
Include traffic lights, car-mounted terminal, the car-mounted terminal includes controller, luminous intensity collector, polariscope, camera shooting
Head, RFID signal identifier, voice broadcasting system, the polariscope are attached on monitoring camera, attached on the traffic lights
RFID identification card, the RFID signal identifier is for identifying RFID identification card, and so as to identify traffic lights, described takes the photograph
As head for acquiring the information state of traffic lights, real-time video is generated, the controller is used to video information carrying out operation
Analysis, calculates current lights state, and the voice broadcasting system is reporting the traffic lights information calculated.
Further, the car-mounted terminal includes GPS positioning system.
Further, the car-mounted terminal can be integrated in automobile data recorder, on rearview mirror.
Further, the car-mounted terminal be mounted on shield glass on or car roof, pass through electrical connection
With central car controller.
Further, radar probe is added in the automotive front end of traveling, to prevent from knocking into the back
Further, in order to which rear car is reminded to follow traveling, the car-mounted terminal controls automobile by braking state to transport condition
Light, when brake is that red light length is bright,（Parking brake, service brake）, rear car is guided to follow traveling, when automobile becomes D grades by N grades, control
The flickers such as device processed control left steering, foot step on throttle when, the flicker of auto alarm lamp.
Further, RFID signal identifier and RFID identification card can be replaced with Bluetooth signal identifier and Bluetooth signal
Transmitter.
Solving the control method of device that automobile can't see traffic lights because of strong light direct beam is：
S1. the intensity of illumination of the luminous intensity collector acquisition on car-mounted terminal is compared with the threshold value being previously set in it, such as
Fruit is more than threshold value, that is, the camera of car-mounted terminal is activated to be imaged, naturally it is also possible to manually open on the car-mounted terminal
Camera, set threshold value be 800LX；
GPS positioning system on S2, car-mounted terminal, will be by traffic lights region in front of advance alarm, the signal on car-mounted terminal
Identifier focuses on the RFID identification card on traffic lights, the further shooting area for guiding camera；
S3. include polariscope above the camera on car-mounted terminal, treated that image is clapped in real time to polarisation for camera
It takes the photograph；
Controller on S4, car-mounted terminal is split as image frame by frame in real time to the image of camera acquisition back, further
The red, yellow, and green color information that the image collected is changed into RGB patterns, selects inside image, and adjust the color of selection
Carry out brightness and contrast's intensification processing, extract the traffic lights countdown text message in image, will treated image again by
Frame is transmitted on display screen, and traffic lights countdown text message is passed to voice broadcast module.
The voice broadcast module set on S5, car-mounted terminal carries out traffic lights countdown voice broadcast.
The advantage of the invention is that：
The control system scheme provided by the invention that automobile is avoided to can't see traffic lights because of strong light direct beam belongs to unattended
Intelligence system, once encounter strong light direct beam, reach traffic lights near, you can automatically turn on, the information of voice broadcast traffic lights,
Precise and high efficiency.
Having the beneficial effect that commercially：
RFID identification card only need to be pasted on existing traffic lights, you can complete the intellectualized reconstruction of traffic lights, do not need to again
Change existing traffic lights display mode.
Both the above technical solution can also be superimposed and be used in mixed way.
Description of the drawings
Fig. 1 is the structure diagram in embodiment 1；
Fig. 2 is the schematic diagram of the polarizing film constriction device in embodiment 1；
Fig. 3 is the structure diagram of the scroll spring in embodiment 1；
Fig. 4 is slideway and skid rail structure diagram in embodiment 3；
Fig. 5 is state diagram the technical issues of being mentioned in background technology；
Fig. 6 is state diagram the technical issues of being mentioned in background technology；
Fig. 7 is the flow chart of embodiment 9.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1 please refers to Fig.1, polarizing film device is moved on the windshield described in Fig. 2, Fig. 3, Fig. 4,
Include mounted on slideway 1 beside automobile A column and the polarizing film constriction device 2 mounted on shield glass top,
The thin constriction device of the polarisation is made of scroll spring 2-1, central shaft 2-2, polarizing film 2-3, the scroll spring 2-1
It is wrapped on central shaft 2-2, scroll spring 2-1 tail ends connection polarizing film volume 2-3, polarizing film 2-3 are wrapped in scroll spring
On 2-1, the other end of polarizing film 2-1 is fixed on sliding block 3, and the sliding block 3 is mounted in slideway 1, the sliding block 3
Drawstring 4 is connected with, the drawstring 4 is applied in slideway 1, only needs that drawstring 4 is pulled polarizing film can be pulled to roll up when needing
2, the position of lower part close to the central control board of slideway 1 is provided with fixed lock 5, and fixed lock 5 can consolidate drawstring 4
It is fixed.
When manufacturing, slideway 1 is preferably mounted in vehicle right and left A columns both sides, the installation of vehicle right and left A columns both sides
Connection slideway 6 is additionally provided between slideway 1, the drawstring 4 set in the slideway of the left and right A columns both sides synthesizes a note in left side A columns,
Polarizing film constriction device can be controlled by stretching the drawstring 4.So as to preferably pull down polarizing film.
When manufacturing, the installation track for preferably making slideway 1 is consistent with the extending direction of automobile A column, and the slideway hangs down
It is directly mounted on automobile A column and slideway fluting direction is consistent with front windshield mounting surface, so that the operation of slideway is more
Smoothness.
Embodiment 2, embodiment 2 is formed with embodiment 1 the difference lies in slideway 1 is limited for hard material, described
Sliding block 3 is formed for soft material.More specifically, 1 material of slideway consists of the following compositions：Silicon：0.5-0.7, neodymium：0.03-
0.06, manganese：1.20-1.50 sulphur：0.02-0.03, magnesium：9.00-10.50 nickel：0.50-0.80；Copper：1.8-2.0, molybdenum：0.5-
0.7, carbon：0.07-0.09, nitrogen：0.08-0.16, residual elements 0.02-0.32, remaining is Fe.
On the basis of embodiment 3, embodiment 3 and embodiment 1 or 2, restriction slideway 1 is square shape slideway, is slided in square shape
An osculum 7 is opened up on road, the size of the osculum 7 is less than the size of sliding block, to ensure that sliding block is run in slideway without running out of.
More, it is emphasized that the arbitrary face of sliding block 3 is less than the sectional dimension of shoe channel, to ensure that sliding block can be in slideway freely
It slides.
Above-described embodiment 1, embodiment 2, embodiment 3, the convergent force of the scroll spring 2-1 in polarizing film constriction device 2
It is enough polarizing film 2-3 is made to be retracted to upper end by lower end by front windshield.
Embodiment 4, embodiment 4 are that the material composition of light polarizing film is further limited on the basis of embodiment 1 or 2 or 3, are
By polyvinyl alcohol（PVA）, 117 potassium iodide of model（KI）, hydrogen peroxide is prepared, and preparation method is：
The first step takes 1g PVA and 1mmol KJ to be dissolved in 20ml water, is heated to 85 DEG C and is completely dissolved and cold after mixing
But room temperature is arrived, with the tape casting on polyethylene board, it is 61 μm or so that thickness is obtained after 13 hours dry under 42 degrees Celsius of normal pressures
PVA basement membranes；
Basement membrane is put into 12% hydrogen peroxide and aoxidizes by second step, and oxidizing temperature is 1 DEG C, oxidization time 30-60 seconds；
Third walks, the basement membrane aoxidized on film balance, in the H that 41 DEG C of mass fractions are 4%3BO3It is unidirectionally drawn in solution
It stretches, draw ratio 1-10；
4th step, the film stretched are put into 40 DEG C, in the H that 41 DEG C of mass fractions are 4%3BO3After 4min being impregnated in solution, 40 DEG C
Constant pressure and dry 5 minutes, obtains PVA light polarizing films.
The polarizing film of needs can be largely synthesized according to more than ratio.
Embodiment 5, embodiment 5 are on the basis of embodiment 1 or 2 or 3 or 4, further limit drawstring as a kind of steel wire
Rope, and be made of following chemical composition：S<0.02-0.04%, Cr16.0-19.0%, Ni16.0-20.0%, C<0.01%th, Si
<0.30%th, Mn<0.40%th, P<0.03%th, Mo0.9-1.2%, Ti1.20-1.5%, Zn0.25-0.30%, W0.12-
0.30%th, Pr0.04-0.06%, surplus Fe；The outside face of the steel wire rope rope strand is equipped with plastic layer.
Attached drawing 5 is the reference chart used.
Embodiment 6 reacts the scheme under traffic lights technology path for intermediary, includes traffic lights, car-mounted terminal, described
Car-mounted terminal include controller, luminous intensity collector, polariscope, camera, RFID signal identifier, voice broadcast system
System, the polariscope are attached on monitoring camera, and RFID identification card, the RFID signal are attached on the traffic lights
Identifier is for identifying RFID identification card, and so as to identify traffic lights, the camera is used to acquire the information state of traffic lights,
Real-time video is generated, the controller is used to video information carrying out operational analysis, calculates current lights state, institute
The voice broadcasting system stated is reporting the traffic lights information calculated.Car-mounted terminal includes GPS positioning system.Car-mounted terminal
Automobile data recorder can be integrated in, on rearview mirror.Either car-mounted terminal be mounted on shield glass on or car roof,
Pass through electrical connection and central car controller.Radar probe is added in the automotive front end of traveling, to prevent from knocking into the back
Embodiment 7, embodiment 7 be in order to which rear car is reminded to follow traveling on the basis of embodiment 6, car-mounted terminal control automobile by
For braking state to the light of transport condition, when brake is that red light length is bright,（Parking brake, service brake）, rear car is guided to follow traveling, works as automobile
When becoming D grades by N grades, the controller control flickers such as left steering, foot step on throttle when, the flicker of auto alarm lamp.
Embodiment 8, embodiment 8 are on the basis of embodiment 6 or 7, and RFID signal identifier and RFID identification card are replaced
It is changed to Bluetooth signal identifier and Bluetooth signal transmitter.
Embodiment 9, embodiment 9 are the control methods of the control system of embodiment 6-8, and attached drawing 5 and attached drawing 6 are embodiments 9
The background problems of record.It please refers to shown in attached drawing 7, the specific steps are：
The intensity of illumination of luminous intensity collector acquisition in the first step, car-mounted terminal is compared with the threshold value being previously set in it
It is right, if it exceeds the threshold, the camera of i.e. activation car-mounted terminal is imaged, naturally it is also possible to manually open the vehicle-mounted end
Camera on end, set threshold value are 800LX；
GPS positioning system on second step, car-mounted terminal, will be by traffic lights region, on car-mounted terminal in front of advance alarm
Signal identifier focuses on the RFID identification card on traffic lights, the further shooting area for guiding camera；
Include polariscope above third step, the camera on car-mounted terminal, treated that image carries out is real to polarisation for camera
When shoot；
Controller in 4th step, car-mounted terminal is split as image frame by frame in real time to the image of camera acquisition back, into
The red, yellow, and green color information that the image collected is changed into RGB patterns, selects inside image of one step, and adjust selection
Color carries out brightness and contrast's intensification processing, extracts the traffic lights countdown text message in image, will treated image
Being transmitted on display screen frame by frame again, voice broadcast module is passed to by traffic lights countdown text message.
The voice broadcast module set in 5th step, car-mounted terminal carries out traffic lights countdown voice broadcast.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. the device that automobile can't see traffic lights because of strong light direct beam is solved, it is inclined including being moved on a kind of windshield
Optical thin film device, it is characterised in that：Polarizing film device is moved on the windshield to include mounted on automobile A
Slideway and the polarizing film constriction device mounted on shield glass top beside column, the polarisation is thin to shrink dress
It puts and is made of scroll spring, central shaft, polarizing film volume, the scroll spring is wound on center shaft, scroll spring tail end
Polarizing film is connected, polarizing film circumvolution is wound on scroll spring, and the other end of polarizing film is fixed on sliding block, the cunning
Block is mounted in slideway, and the sliding block is connected with drawstring, and the drawstring is applied in slideway, only needs to pull when needing to draw
Rope can pull polarizing film to roll up, and the position of lower part close to the central control board of slideway is provided with fixed lock, and fixed lock can
Drawstring to be fixed.
2. the device according to claim 1 for solving automobile and can't see traffic lights because of strong light direct beam, it is characterised in that：
Slideway is mounted in vehicle right and left A columns both sides, connection slideway is additionally provided between the slideway of vehicle right and left A columns both sides installation,
The drawstring set in the slideway of the left and right A columns both sides synthesizes a note in left side A columns, polarisation can be controlled thin by stretching the drawstring
Film constriction device.
3. the device according to claim 2 for solving automobile and can't see traffic lights because of strong light direct beam, it is characterised in that：
The installation track of the slideway is consistent with the extending direction of automobile A column, and the slideway is vertically mounted on automobile A column and slideway
Fluting direction is consistent with front windshield mounting surface.
4. the device according to claim 2 for solving automobile and can't see traffic lights because of strong light direct beam, it is characterised in that：
The slideway is formed for hard material, and the sliding block is formed for soft material.
5. the device according to claim 4 for solving automobile and can't see traffic lights because of strong light direct beam, which is characterized in that
The slide track materials consist of the following compositions, silicon：0.5-0.7, neodymium：0.03-0.06, manganese：1.20-1.50 sulphur：0.02-
0.03, magnesium：9.00-10.50 nickel：0.50-0.80；Copper：1.8-2.0, molybdenum：0.5-0.7, carbon：0.07-0.09, nitrogen：0.08-
0.16, residual elements 0.02-0.32, remaining is Fe.
6. the solution automobile according to claim 1 to 5 any claim can't see traffic lights because of strong light direct beam
Device, it is characterised in that：The convergent force of scroll spring in the polarizing film constriction device is enough to make polarizing film by preceding
Windshield is retracted to upper end by lower end.
7. the solution automobile according to claim 1 to 5 any claim can't see traffic lights because of strong light direct beam
Device, it is characterised in that：The light polarizing film is by polyvinyl alcohol（PVA）, 117 potassium iodide of model（KI）, hydrogen peroxide system
Standby to form, preparation method is：
The first step takes 1g PVA and 1mmol KJ to be dissolved in 20ml water, is heated to 85 DEG C and is completely dissolved and cold after mixing
But room temperature is arrived, with the tape casting on polyethylene board, it is 61 μm or so that thickness is obtained after 13 hours dry under 42 degrees Celsius of normal pressures
PVA basement membranes；
Basement membrane is put into 12% hydrogen peroxide and aoxidizes by second step, and oxidizing temperature is 1 DEG C, oxidization time 30-60 seconds；
Third walks, the basement membrane aoxidized on film balance, in the H that 41 DEG C of mass fractions are 4%3BO3Simple tension in solution,
Draw ratio is 1-10；
4th step, the film stretched are put into 40 DEG C, in the H that 41 DEG C of mass fractions are 4%3BO3After impregnating 4min in solution, 40 DEG C often
It press dry dry 5 minutes, obtains PVA light polarizing films.
8. the solution automobile according to claim 1 to 5 any claim can't see traffic lights because of strong light direct beam
Device, it is characterised in that：The preferred scheme of the drawstring is a kind of steel wire rope, and the steel wire rope rope strand is by following chemical composition
Composition：S<0.02-0.04%, Cr16.0-19.0%, Ni16.0-20.0%, C<0.01%th, Si<0.30%th, Mn<0.40%th, P
<0.03%th, Mo0.9-1.2%, Ti1.20-1.5%, Zn0.25-0.30%, W0.12-0.30%, Pr0.04-0.06%, it is remaining
It measures as Fe；The outside face of the steel wire rope rope strand is equipped with plastic layer.
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| CN2589245Y (en) * | 2002-12-31 | 2003-12-03 | 李志宏 | Automobile driver visible ultraviolet-proof polarization sunshading board |
| CN102431423A (en) * | 2011-06-30 | 2012-05-02 | 溧阳市正翔精密机械有限公司 | Strong light shading mechanism for automobile |
| CN203611695U (en) * | 2013-11-29 | 2014-05-28 | 来明工业(厦门)有限公司 | Automobile sun shield |
| US20160023541A1 (en) * | 2014-07-25 | 2016-01-28 | Gheorghe Barna | Extendable Sun Visor Assembly |
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