CN206649236U - A kind of self-adjustable polarisation sunglasses of light transmittance - Google Patents
A kind of self-adjustable polarisation sunglasses of light transmittance Download PDFInfo
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- CN206649236U CN206649236U CN201720339309.2U CN201720339309U CN206649236U CN 206649236 U CN206649236 U CN 206649236U CN 201720339309 U CN201720339309 U CN 201720339309U CN 206649236 U CN206649236 U CN 206649236U
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- 238000002834 transmittance Methods 0.000 title claims abstract description 32
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 46
- 210000001508 eye Anatomy 0.000 claims description 11
- 238000004088 simulation Methods 0.000 claims description 6
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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Abstract
The utility model is applied to polarisation sunglasses field, there is provided a kind of self-adjustable polarisation sunglasses of light transmittance, including light intensity sensor, control circuit, liquid crystal device drive circuit and ophthalmic len, wherein, the ophthalmic len is the ophthalmic len of liquid crystal device；Described control circuit one end is connected with the light intensity sensor, and the other end is connected with the liquid crystal device drive circuit, and the liquid crystal device drive circuit is connected with the ophthalmic len；The light intensity sensor is used for the power for detecting ambient light, and the light intensity signal detected is transferred into the control circuit；The control circuit is used to be controlled the liquid crystal device drive circuit to produce corresponding drive signal according to the light intensity signal, and the drive signal is carried on the ophthalmic len, for adjusting the light transmittance of the ophthalmic len.Polarisation sunglasses adjusting transmission of light rate provided by the utility model, substantially increase the security of driver.
Description
Technical field
The utility model belongs to polarisation sunglasses technical field, more particularly to a kind of self-adjustable polarisation of light transmittance
Sunglasses.
Background technology
Polaroid Polaroid Corp founder Ai Dewenlande has invented polarisation membrane technology, later polarizing coating within 1936
The every field being widely used in human lives, wherein polarisation sunglasses are a widely used fields.
Generally we have seen that non-spontaneous light object, the light for entering human eye is all after body surface reflects
Light, reflection light is by part linearly polarized, and its linear polarization is in the horizontal direction.The partial polarization of this reflected light,
Some occasions can produce harmful effect, such as the light reflected by highway can disturb the sight of driver, influence driver couple
The judgement of road conditions, easily occurs traffic accident.The level of highway reflection can be effectively filtered through partially by wearing polarisation sunglasses
Shake the light intensity of light, make the influence that judges interference-free light of the driver to surrounding objects, so as to reduce traffic to a certain extent
The generation of accident.
But the light transmittance of traditional polarisation sunglasses is usually fixed value, the huge change of ambient intensity can not be tackled
Change.For example driver wears polarisation sunglasses driving crossing-river tunnel at fine day noon, is sailed from into tunnel and from tunnel
Great variety twice occurs for two processes gone out, external environmental light；In tunnel internal dark, and driver still wears
Polarisation sunglasses, sight, which receives, to be had a strong impact on, traffic accident now easily occurs；After a period of time being travelled in tunnel
Driver's retina has been already adapted to dark environment, and when rolling tunnel away from, ambient is stronger, can stimulate the eye of driver
Eyeball, it equally can also threaten driving safety.
Utility model content
The utility model provides a kind of self-adjustable polarisation sunglasses of light transmittance, it is intended to solves due to traditional polarisation
Sunglasses light transmittance is unadjustable and causes that when wearing polarisation sunglasses ambient intensity great variety can not be tackled
The problem of.
The utility model provides a kind of self-adjustable polarisation sunglasses of light transmittance, including spectacle-frame, two eyes
Temple and ophthalmic len, the ophthalmic len are embedded in the spectacle-frame, two legs of spectacles respectively with the spectacle-frame two
End is connected, and the ophthalmic len is the ophthalmic len of liquid crystal device, and one side of the ophthalmic len away from eyes attaches linear polarizer, described
The absorption direction of principal axis of linear polarizer is horizontal direction, and the polarisation sunglasses also include light intensity sensor, control circuit and liquid
Brilliant component driving circuit；
Described control circuit one end is connected with the light intensity sensor, and the other end connects with the liquid crystal device drive circuit
Connect, the liquid crystal device drive circuit is connected with the ophthalmic len；
The light intensity sensor is used for the power for detecting ambient light, and the light intensity signal detected is transferred into the control
Circuit processed；
The control circuit is used to be controlled the liquid crystal device drive circuit to produce accordingly according to the light intensity signal
Drive signal, the drive signal are carried on the ophthalmic len, for adjusting the light transmittance of the ophthalmic len.
Further, the light intensity sensor is on the spectacle-frame and on the outside of the spectacle-frame, the light intensity
Sensor is wrapped up in exposed shape or by transparency material.
Further, the control circuit and liquid crystal device drive circuit are embedded in the spectacle-frame or the leg of spectacles
In.
Further, the polarisation sunglasses also include visible band pass filter, the visible band pass filter
Positioned at the light intensity sensor front end, infrared light and ultraviolet light that the visible band bandpass filter is used in filtering environmental light,
Allow visible ray by the way that the light intensity sensor is used for the power for detecting the visible ray, and the light intensity signal detected is passed
It is defeated by the control circuit.
Further, the polarisation sunglasses also include a power module, the power module respectively with the light intensity
Sensor, control circuit connect with liquid crystal device drive circuit, for providing power supply for it.
Further, the power module is rechargeable battery and/or solar cell.
Further, the power module is disposable battery.
Further, the control circuit is the operational amplification circuit, A/D convertor circuit and MCU being sequentially connected；The fortune
Calculate amplifying circuit to be used to for the light intensity signal detected to be amplified the simulation light intensity signal so as to after being amplified, the AD turns
Change circuit to be used to the simulation light intensity signal progress analog-to-digital conversion obtaining digital luminous intensity signal, the MCU is used for according to
Digital luminous intensity signal controls the liquid crystal device drive circuit to produce corresponding drive signal.
Further, the control circuit is the adjustable booster circuit of output with Voltage Feedback function.
Further, the liquid crystal device of the ophthalmic len includes twisted nematic liquid crystals device, super-twist nematic liquid crystal
It is any one in device, electrically controlled birefringence mode liquid crystal device, self compensation flexure type liquid crystal device and vertically aligned liquid crystal device
Kind.
Compared with prior art, beneficial effect is the utility model：A kind of light transmittance provided by the utility model can
The polarisation sunglasses that automatically adjust, the light intensity signal that control circuit detects according to light intensity sensor control liquid crystal device to drive
Dynamic circuit produces corresponding drive signal, and loads on the ophthalmic lens, so as to adjust the light transmittance of ophthalmic len；The utility model carries
The polarisation sunglasses of confession, relative to traditional polarisation sunglasses, its light transmittance can be between 1%-40% according to extraneous ring
The power of border light automatically adjusts, and when external environment light is strong, its light transmittance can automatically turn down, when external environment light is weaker
When its light transmittance can automatic adjustment height, especially suitable for automobile driver wear, avoid strong light from impacting driver, significantly
The security of driver is improved, and helps to protect the eyes of wearer.
Brief description of the drawings
Fig. 1 is a kind of circuit mould for the self-adjustable polarisation sunglasses of light transmittance that the utility model embodiment provides
Block schematic diagram；
Fig. 2 is that a kind of work for the self-adjustable polarisation sunglasses of light transmittance that the utility model embodiment provides is former
Manage schematic diagram；
Fig. 3 is the light transmittance for the ophthalmic len that the utility model embodiment provides with the schematic diagram for applying voltage change.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figure 1, the self-adjustable polarisation sunglasses of a kind of light transmittance provided by the utility model, including eye
Picture frame, two legs of spectacles and ophthalmic len 101, wherein, the ophthalmic len 101 is embedded in the spectacle-frame, two glasses
Both ends of the leg respectively with the spectacle-frame are connected, and constitute the basic structure of sunglasses；Wherein, the ophthalmic len 101 is liquid
The ophthalmic len of brilliant device, one side of the ophthalmic len 101 away from eyes attach linear polarizer, and the linear polarizer includes absorption axiss
And light transmission shaft, the absorption axiss and light transmission shaft are orthogonal, and absorption direction of principal axis is horizontal direction, for absorbing the line of horizontal direction
Polarised light, so as to effectively filter the light intensity of the horizontal polarization light of reflection, here it is the function of traditional polarisation sunglasses.
Wherein, the liquid crystal device for the ophthalmic len 101 that the utility model embodiment provides is twisted nematic liquid crystals device
Part, super-twist nematic liquid crystal device, electrically controlled birefringence mode liquid crystal device, self compensation flexure type liquid crystal device and vertically aligned
Any one in liquid crystal device.
Further, the polarisation sunglasses also include light intensity sensor 102, control circuit 103 and liquid crystal device drive
Dynamic circuit 104；Wherein, the light intensity sensor 102 in exposed shape or is wrapped up by transparency material and is embedded on the spectacle-frame simultaneously
On the outside of the spectacle-frame, the light intensity sensor 102 is used to sense the light intensity in front of polarisation sunglasses；The control electricity
Road 103 and liquid crystal device drive circuit 104 are embedded in the spectacle-frame or leg of spectacles.
Specifically, the light intensity sensor 102 that the utility model embodiment provides is silicon optical sensor.
Specifically, polarisation sunglasses provided by the utility model include visible band pass filter, the visible band
Pass filter is located at the light intensity sensor front end, infrared light that the visible band bandpass filter is used in filtering environmental light and
Ultraviolet light, it is allowed to which visible ray is by setting visible band pass filter to avoid infrared light and ultraviolet light to light intensity sensor
Interference；The light intensity sensor is used to detect the power of the visible ray, and the light intensity signal detected is transferred to described
Control circuit.
Specifically, described one end of control circuit 103 is connected with the light intensity sensor 102, the other end and the liquid crystal device
Part drive circuit 104 is connected, and the liquid crystal device drive circuit 104 is connected with the ophthalmic len 101；The light intensity sensor
102 for detecting the power of ambient light, and the light intensity signal detected is transferred into the control circuit 103；The control
Circuit 103 is used to be controlled the liquid crystal device drive circuit 104 to produce corresponding drive signal, institute according to the light intensity signal
State drive signal to be carried on the ophthalmic len 101, for adjusting the light transmittance of the ophthalmic len 101.
Specifically, the control circuit 103 that the utility model embodiment provides is that operational amplification circuit, the AD being sequentially connected turn
Circuit and MCU are changed, the operational amplification circuit of the control circuit 103 is used to the light intensity signal detected being amplified so as to obtain
Simulation light intensity signal after to amplification, the A/D convertor circuit are used to the simulation light intensity signal carrying out analog-to-digital conversion number
Word light intensity signal, the MCU are used to control the liquid crystal device drive circuit 104 to produce accordingly according to the digital luminous intensity signal
Drive signal, and then adjust the light transmittance of the ophthalmic len 101.That is control circuit 103 according to received light intensity signal,
Corresponding control instruction is assigned to the liquid crystal device drive circuit 104；Specifically, when extraneous light intensity uprises, the liquid crystal
Component driving circuit 104 turns down the light transmittance of the ophthalmic len 101 according to the control instruction of the control circuit 103；Work as the external world
During light intensity step-down, the liquid crystal device drive circuit 104 heightens the ophthalmic len according to the control instruction of the control circuit 103
101 light transmittance, specific control flow is as shown in Figure 2.
Specifically, drive signal caused by the liquid crystal device drive circuit 104 that the utility model embodiment provides is driving
Waveform signal；The ophthalmic len 101 for the liquid crystal device that the utility model embodiment provides is the liquid crystal of normal white mode, i.e., in certain model
Its light transmittance gradually reduces with the rise of applied voltage in enclosing, specifically as shown in Figure 3.
Specifically, control circuit 103 provided by the utility model can also be that the output with Voltage Feedback function is adjustable
Booster circuit.
Specifically, the polarisation sunglasses also include a power module 105, the power module 105 respectively with it is described
Light intensity sensor 102, control circuit 103 and liquid crystal device drive circuit 104 connect, for providing power supply for it.
More specifically, power module 105 provided by the utility model is solar cell, rechargeable battery and disposable battery
In any one.
More specifically, power module 105 provided by the utility model can also be the group of solar cell and rechargeable battery
Close, this assembled battery can solve the trouble for changing battery, increase Consumer's Experience.
The self-adjustable polarisation sunglasses of a kind of light transmittance provided by the utility model, relative to traditional polarisation too
Positive glasses, the power that its light transmittance can be according to external environmental light between 1%-40% automatically adjust, when external environment light is strong
Its light transmittance can automatically turn down when strong, when external environment light is weaker its light transmittance can automatic adjustment height, especially suitable for automobile
Human pilot is worn.Such as when driver wears polarisation sunglasses process of passing through tunnel daytime, due to dark in tunnel,
Polarisation sunglasses provided by the utility model can automatic adjustment height light transmittance, provide better view for driver；Work as driver
When rolling tunnel away from, the strong light outside tunnel can stimulate the eyes of driver, and now polarisation provided by the utility model is too
Positive glasses can automatically turn down light transmittance, avoid strong light from impacting driver, substantially increase the security of driver, and have
Help protect the eyes of wearer.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of self-adjustable polarisation sunglasses of light transmittance, including spectacle-frame, two legs of spectacles and ophthalmic len, the eye
Eyeglass is embedded in the spectacle-frame, and both ends of two legs of spectacles respectively with the spectacle-frame are connected, it is characterised in that institute
The ophthalmic len that ophthalmic len is liquid crystal device is stated, one side of the ophthalmic len away from eyes attaches linear polarizer, the linear polarizer
Absorption direction of principal axis be horizontal direction, the polarisation sunglasses also include light intensity sensor, control circuit and liquid crystal device and driven
Dynamic circuit；
Described control circuit one end is connected with the light intensity sensor, and the other end is connected with the liquid crystal device drive circuit, institute
Liquid crystal device drive circuit is stated to be connected with the ophthalmic len；
The light intensity sensor is used for the power for detecting ambient light, and the light intensity signal detected is transferred into the control electricity
Road；
The control circuit is used to be controlled the liquid crystal device drive circuit to produce corresponding driving according to the light intensity signal
Signal, the drive signal are carried on the ophthalmic len, for adjusting the light transmittance of the ophthalmic len.
2. polarisation sunglasses as claimed in claim 1, it is characterised in that the light intensity sensor is on the spectacle-frame
And on the outside of the spectacle-frame, the light intensity sensor is wrapped up in exposed shape or by transparency material.
3. polarisation sunglasses as claimed in claim 1 or 2, it is characterised in that the control circuit and liquid crystal device driving
Circuit is embedded in the spectacle-frame or the leg of spectacles.
4. polarisation sunglasses as claimed in claim 1, it is characterised in that the polarisation sunglasses also include visible band
Pass filter, the visible band pass filter are located at the light intensity sensor front end, and the visible band bandpass filter is used for
Infrared light and ultraviolet light in filtering environmental light, it is allowed to which visible ray is by the way that the light intensity sensor is used to detect the visible ray
Power, and the light intensity signal detected is transferred to the control circuit.
5. polarisation sunglasses as claimed in claim 1, it is characterised in that the polarisation sunglasses also include a power supply mould
Block, the power module is connected with the light intensity sensor, control circuit and liquid crystal device drive circuit respectively, for being carried for it
Power supply source.
6. polarisation sunglasses as claimed in claim 5, it is characterised in that the power module is for rechargeable battery and/or too
Positive energy battery.
7. polarisation sunglasses as claimed in claim 5, it is characterised in that the power module is disposable battery.
8. polarisation sunglasses as claimed in claim 1, it is characterised in that the control circuit is that the computing being sequentially connected is put
Big circuit, A/D convertor circuit and MCU；
The operational amplification circuit is used to be amplified the light intensity signal detected so as to which the simulation light intensity after being amplified is believed
Number, the A/D convertor circuit is used to the simulation light intensity signal progress analog-to-digital conversion obtaining digital luminous intensity signal, and the MCU is used
According to the corresponding drive signal of the digital luminous intensity signal control liquid crystal device drive circuit generation.
9. polarisation sunglasses as claimed in claim 1, it is characterised in that the control circuit is with Voltage Feedback function
The adjustable booster circuit of output.
10. polarisation sunglasses as claimed in claim 1, it is characterised in that the liquid crystal device of the ophthalmic len includes distortion
Nematic crystal device, super-twist nematic liquid crystal device, electrically controlled birefringence mode liquid crystal device, self compensation flexure type liquid crystal device
With any one in vertically aligned liquid crystal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339309.2U CN206649236U (en) | 2017-03-31 | 2017-03-31 | A kind of self-adjustable polarisation sunglasses of light transmittance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339309.2U CN206649236U (en) | 2017-03-31 | 2017-03-31 | A kind of self-adjustable polarisation sunglasses of light transmittance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206649236U true CN206649236U (en) | 2017-11-17 |
Family
ID=60274837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720339309.2U Active CN206649236U (en) | 2017-03-31 | 2017-03-31 | A kind of self-adjustable polarisation sunglasses of light transmittance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206649236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955810A (en) * | 2018-09-13 | 2021-06-11 | 唯酷有限公司 | Light adjustable glasses |
| CN117496917A (en) * | 2023-12-11 | 2024-02-02 | 深圳市安富华科技有限公司 | Method for automatically adjusting chromaticity of lenses according to ambient light outside vehicle window and vehicle-mounted intelligent glasses |
-
2017
- 2017-03-31 CN CN201720339309.2U patent/CN206649236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955810A (en) * | 2018-09-13 | 2021-06-11 | 唯酷有限公司 | Light adjustable glasses |
| CN112955810B (en) * | 2018-09-13 | 2023-11-07 | 唯酷美国有限公司 | dimmable glasses |
| CN117496917A (en) * | 2023-12-11 | 2024-02-02 | 深圳市安富华科技有限公司 | Method for automatically adjusting chromaticity of lenses according to ambient light outside vehicle window and vehicle-mounted intelligent glasses |
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