CN107991792B - A kind of Zoom glasses and its focus adjustment method - Google Patents
A kind of Zoom glasses and its focus adjustment method Download PDFInfo
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- CN107991792B CN107991792B CN201711227020.2A CN201711227020A CN107991792B CN 107991792 B CN107991792 B CN 107991792B CN 201711227020 A CN201711227020 A CN 201711227020A CN 107991792 B CN107991792 B CN 107991792B
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- eyesight
- international standard
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/083—Electrooptic lenses
Abstract
This application discloses a kind of Zoom glasses and its focus adjustment methods, it include: that micro power provides power supply, visual chart obtains system and is projected on smooth metope, the height reciprocal correspondence that international standard eyesight is 1.0 corresponding E on international standard visual chart when obtaining projector, and the standoff height of the corresponding E of international standard eyesight 1.0 in projector under projector distance being made after adjusting with measuring distance to be 5 meters；User adjusts the focal length of liquid-crystal zoom lens by eyeglass focal length regulating system, so that the practical eyesight of the degree of eyeglass and user match according to projector.The application obtains projector by projection, the zoom of liquid-crystal zoom lens is realized by eyeglass focal length regulating system, and the eyesight progress real-time measurement of focusing rear lens is worn to user simultaneously, so that the degree of eyeglass and the practical eyesight of user match, the regulation time is short, easy to operate, and focusing is accurate, glasses miniaturization, eyeglass light transmittance are high.
Description
Technical field
The present invention relates to Application Optics technical fields, more particularly to a kind of Zoom glasses and its focus adjustment method.
Background technique
Eyeglass of the widely applied glasses using fixed-focus away from fixed degree currently on the market.But for myopia or far
For eye, excessively human eyesight is caused also constantly to change in accumulating over a long period with eye, this requires people constantly to replace
Glasses bring many troubles to life and work.
In order to protect eyes, different types of glasses use many new technical solutions, such as: can inside double-layer lens
Pass through the inflated for deflated focal length to change eyeglass of air valve；Eyeglass is separately installed with by two on primary mirror horse and movable lens hanger
Lens combination and zoom etc..Its scheme has one what is common is that the focal length of glasses each eyeglass in use is certain
Or zooming procedure it is relative complex dilatory, and cannot be changed in time according to the change of the vision condition of eyes, be unfavorable for eye
The protection of the health and eyesight of eyeball.
Therefore, how to provide a kind of easy to operate and mirror accurately can be adjusted according to the change of the vision condition of eyes in time
The method of piece focal length is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of this, tune can be shortened the purpose of the present invention is to provide a kind of Zoom glasses and its focus adjustment method
The time is controlled, simplifies operating method, eyeglass focal length is accurately adjusted according to the change of the vision condition of eyes in time.Its concrete scheme
It is as follows:
A kind of Zoom glasses, comprising: mirror holder, the frame being connect with the mirror holder, and be mounted in the frame two
A eyeglass；The eyeglass is liquid-crystal zoom lens；Further include:
The micro power being integrated in inside the mirror holder, and be electrically connected and be arranged in the mirror with the micro power
Frame and the visual chart of the frame junction obtain system and eyeglass focal length regulating system；
The micro power, for obtaining system and eyeglass focal length regulating system offer electricity to the visual chart respectively
Source；
The visual chart obtains system, for being projected on smooth metope, obtains projector, and after adjusting
Survey the standoff height Yu standard vision of the corresponding E of international standard eyesight 1.0 in the projector under projector distance
Examination distance be 5 meters when international standard visual chart on international standard eyesight be the height of 1.0 corresponding E in correspondence with each other；
The eyeglass focal length regulating system, for adjusting the coke of the liquid-crystal zoom lens according to the projector
Away from so that the practical eyesight of the degree of the eyeglass and user match.
Preferably, in above-mentioned Zoom glasses provided in an embodiment of the present invention, the projector obtains system and includes
For providing the laser light source of laser beam, it is arranged in the laser beam optical path and is carved with the visual chart of twenty-twenty vision range
Convex lens and laser light source position adjustment block；
The convex lens, for being projected the visual chart being carved with to the convex lens by the laser beam
On smooth metope, the projector is obtained；
The laser light source position adjustment block, for determine the target between the laser light source and the convex lens away from
From, and be adjusted according to position of the target range to the laser light source, it is international in the projector to adjust
Standard vision is the standoff height of 1.0 corresponding E, until international standard eyesight is in the projector under projector distance
International standard eyesight is on international standard visual chart when the standoff height of 1.0 corresponding E with standard vision measuring distance is 5 meters
The height of 1.0 corresponding E is in correspondence with each other.
Preferably, in above-mentioned Zoom glasses provided in an embodiment of the present invention, the laser light source position adjustment block packet
Include processing chip and with graduated laser light source position adjusting knob；
The processing chip, for according to the actual range d between the convex lens and the projector1, standard
International standard eyesight is 7.27 millimeters of the calibrated altitude of 1.0 corresponding E and 5 meters of standard vision measuring distance, meter on visual chart
Calculate the object height L that international standard eyesight in the projector is 1.0 corresponding E2, wherein L2=7.27 × d1/
5000, and using train the radial base neural net of completion determine target between the laser light source and the convex lens away from
From d2, wherein with the actual range d between the convex lens and the projector1And the object height L2Described in composition
Input vector x=[the d of radial base neural net1, L2]T, the expression formula of the radial base neural net isw1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ
For radial basis function；
Laser light source position adjusting knob, for being carried out according to position of the target range to the laser light source
It adjusts, so that international standard eyesight is that the standoff height of 1.0 corresponding E reaches the processing chip meter in the projector
The object height of calculating.
Preferably, in above-mentioned Zoom glasses provided in an embodiment of the present invention, the eyeglass zoom circuit system includes mirror
Piece zoom circuit and adjusting circuit knob for adjusting the eyeglass zoom circuit；
The eyeglass zoom circuit, for controlling the liquid-crystal zoom lens by the adjusting for adjusting circuit knob
Voltage, to adjust the refractive index and focal length of the liquid-crystal zoom lens, until user is clearly apparent in the projector
The selected target international standard eyesight of user is worth the figure of corresponding that a line E.
Preferably, in above-mentioned Zoom glasses provided in an embodiment of the present invention, the visual chart obtains system and the mirror
Piece focus adjusting system is separately positioned on the left and right both ends of the mirror holder Yu the frame junction.
Preferably, in above-mentioned Zoom glasses provided in an embodiment of the present invention, the micro power is specifically located at described
The follower head of mirror holder.
The embodiment of the invention also provides a kind of focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention,
Include:
Micro power obtains system to visual chart respectively and eyeglass focal length regulating system provides power supply；
The visual chart obtains system and is projected on smooth metope, obtains projector, and make after adjusting
Under projector distance in the projector international standard eyesight be 1.0 corresponding E standoff height and standard vision test away from
From when being 5 meters on international standard visual chart international standard eyesight be the height of 1.0 corresponding E in correspondence with each other；
The focus adjusting system adjusts the focal length of the liquid-crystal zoom lens according to the projector, so that institute
The practical eyesight of the degree and user of stating eyeglass matches.
Preferably, in the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention, the visual chart is obtained
It takes system to be projected on smooth metope, obtains projector, and make the projection view under projector distance after adjusting
International standard eyesight is the standoff height of 1.0 corresponding E and international standard eyesight when standard vision measuring distance is 5 meters on power table
The height that international standard eyesight is 1.0 corresponding E on table in correspondence with each other, specifically includes:
The laser light source in the visual chart acquisition system is opened, visual chart described in laser beam and directive is provided and obtains system
The convex lens of the visual chart for being carved with twenty-twenty vision range in system；
The convex lens is projected the visual chart being carved with by the laser beam smooth to the convex lens
The projector is obtained on metope；
Laser light source position adjustment block in the visual chart acquisition system determines the laser light source and the convex lens
Target range between mirror, and be adjusted according to position of the target range to the laser light source, until the projection
International standard eyesight is the standoff height of 1.0 corresponding E on visual chart and international standard regards when standard vision measuring distance is 5 meters
On power table international standard eyesight be 1.0 corresponding E height in correspondence with each other.
Preferably, in the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention, the visual chart is obtained
The laser light source position adjustment block in system is taken to determine the target range between the laser light source and the convex lens, and root
It is adjusted according to position of the target range to the laser light source, until international standard eyesight is in the projector
International standard eyesight is on international standard visual chart when the standoff height of 1.0 corresponding E with standard vision measuring distance is 5 meters
The height of 1.0 corresponding E in correspondence with each other, specifically includes:
Processing chip in the laser light source position adjustment block according to the convex lens and the projector it
Between actual range, international standard eyesight is 7.27 millimeters of the calibrated altitude and standard of 1.0 corresponding E on standard visual acuity chart
5 meters of eyesight testing distance, calculate the object height L that international standard eyesight in the projector is 1.0 corresponding E2,
Middle L2=7.27 × d1/ 5000, and use and the radial base neural net completed has been trained to determine the laser light source and the convex lens
Target range d between mirror2, wherein with the actual range d between the convex lens and the projector1And the target
Height L2Form the input vector x=[d of the radial base neural net1, L2]T, the expression formula of the radial base neural net isw1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ
For radial basis function；
Laser light source position adjusting knob in the laser light source position adjustment block is according to the target range to institute
The position for stating laser light source is adjusted, so that the projection that international standard eyesight is 1.0 corresponding E in the projector is high
Degree reaches the calculated object height of the processing chip.
A kind of Zoom glasses provided by the present invention and its focus adjustment method, comprising: mirror holder, the mirror being connect with mirror holder
Frame, and two eyeglasses in frame；Eyeglass is liquid-crystal zoom lens；Further include: it is integrated in inside mirror holder for providing electricity
The micro power in source, and be electrically connected with micro power and be arranged in mirror holder and frame junction visual chart obtain system and
Eyeglass focal length regulating system；Visual chart obtains system and is projected on smooth metope, obtains projector, and after adjusting
Survey the standoff height Yu standard vision of the corresponding E of international standard eyesight 1.0 in the projector under projector distance
Examination distance be 5 meters when international standard visual chart on international standard eyesight be the height of 1.0 corresponding E in correspondence with each other；Eyeglass focal length
Regulating system adjusts the focal length of liquid-crystal zoom lens according to projector, so that the practical eyesight of the degree of eyeglass and user
Match.The present invention obtains projector by projection, and the change of liquid-crystal zoom lens is realized by eyeglass focal length regulating system
Coke, and the eyesight for wearing focusing rear lens to user simultaneously carries out real-time measurement, so that the practical view of the degree of eyeglass and user
Power matches, and the regulation time is short, easy to operate, glasses miniaturization, and eyeglass light transmittance is high.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of Zoom glasses provided in an embodiment of the present invention；
Fig. 2 is the schematic illustration that visual chart provided in an embodiment of the present invention obtains system；
Fig. 3 is the focus adjustment method flow diagram of Zoom glasses provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of Zoom glasses, as shown in Figure 1, comprising: mirror holder 1, the frame 2, Yi Jian connecting with mirror holder 1
Two eyeglasses 3 in frame 2；Eyeglass 3 is liquid-crystal zoom lens；Further include:
The micro power 4 being integrated in inside mirror holder 1, and be electrically connected and be arranged in mirror holder 1 and frame with micro power 4
The visual chart of 2 junctions obtains system and eyeglass focal length regulating system；
Micro power 4, for obtaining system and eyeglass focal length regulating system offer power supply to visual chart respectively；
Visual chart obtains system, for being projected on smooth metope, obtains projector, and make after adjusting
International standard eyesight is the standoff height of 1.0 corresponding E in projector under projector distance and standard vision measuring distance is 5
The height that international standard eyesight is 1.0 corresponding E on international standard visual chart when rice, which corresponds to each other, (has equivalent eyesight testing effect
Fruit)；
Eyeglass focal length regulating system, for adjusting the focal length of liquid-crystal zoom lens according to projector, so that eyeglass
The practical eyesight of degree and user match.
In above-mentioned Zoom glasses provided in an embodiment of the present invention, projector is obtained by projection, by eyeglass coke
The zoom of liquid-crystal zoom lens is realized away from regulating system, and the eyesight for wearing focusing rear lens to user simultaneously measures, with
The practical eyesight of the degree and user that make eyeglass matches, and the regulation time is short, easy to operate, glasses miniaturization, eyeglass light transmittance
Height solves eyes of user myopia or long sight to some inconvenience of life bring and trouble, can play and reduce glasses fatigue, change
The effect of kind glasses health.
Specifically, in the specific implementation, as shown in Figure 1, visual chart acquisition system and eyeglass focal length regulating system can divide
The left and right both ends of mirror holder 1 Yu 2 junction of frame are not set, and such setting will not influence visual chart and obtain system and eyeglass
The interaction of focus adjusting system, convenient for operation.It should be noted that mirror holder and frame junction can be mirror holder front end
Position, the left and right ends or mirror holder and the area of space of frame junction for being also possible to frame are separately provided visual chart and obtain
Take system and eyeglass focal length regulating system.
In addition, specifically, in the specific implementation, since the follower head of mirror holder is generally large, and without other component, such as Fig. 1
Shown, micro power 4 can be specifically set the follower head in mirror holder 1, be conducive to glasses miniaturization.
In the specific implementation, in above-mentioned Zoom glasses provided in an embodiment of the present invention, as depicted in figs. 1 and 2, projection view
It may include for providing the laser light source 5 of laser beam, being arranged in laser beam optical path and being carved with just that power table, which obtains system,
The convex lens 6 and laser light source position adjustment block of the visual chart 01 of normal range of vision；
Convex lens 6, for being projected the visual chart 01 being carved with to the smooth metope in 6 front of convex lens by laser beam
On 02, projector 03 is obtained；
Laser light source position adjustment block, for determining the target range d between laser light source 5 and convex lens 62, and root
According to target range d2The position of laser light source 5 is adjusted, until the international standard in projector 03 under projector distance
Eyesight is the standoff height of 1.0 corresponding " E " 04 when be standard vision measuring distance being 5 meters international mark on international standard visual chart
Quasi- eyesight be 1.0 corresponding " E " height in correspondence with each other.
Further, in the specific implementation, in above-mentioned Zoom glasses provided in an embodiment of the present invention, such as Fig. 1 and Fig. 2 institute
Show, laser light source position adjustment block includes handling chip and with graduated laser light source position adjusting knob 7；
Chip is handled, for according to the actual range d between convex lens 6 and projector 031, state on standard visual acuity chart
Border standard vision is the calibrated altitude and standard vision measuring distance of 1.0 corresponding E, calculates state in projector 03
Border standard vision is the object height L of 1.0 corresponding " E " 042, it is also used to according between convex lens 6 and projector 03
Actual range d1And calculated object height L2, use trained complete radial base neural net determine laser light source 5
Target range d between convex lens 62；
Laser light source position adjusting knob 7, for according to target range d2The position of laser light source 5 is adjusted, with
The standoff height of corresponding " E " 04 of international standard eyesight 1.0 in projector 03 is set to reach the processing calculated mesh of chip
Absolute altitude degree L2。
Preferably, target range d2After calculating, d is corresponded in laser light source position regulating system2Scale will have it is bright
Point, user manually adjust near laser light source position adjusting knob 7 to bright spot position, can be realized international in projector 03
Standard vision is that the standoff height of 1.0 corresponding " E " 04 reaches object height L2。
It should be noted that as shown in Figure 1, projector's acquisition system can also be used for including laser light source switch 8
Control laser light source 5 opens or closes.
In addition, calculating the object height L that international standard eyesight in projector 03 is 1.0 corresponding " E " 042Tool
Body formula is as follows:
L2=L × d1/d
Wherein, d1Indicate the actual range between convex lens 6 and projector 03；L indicates international on standard visual acuity chart
Standard vision is the calibrated altitude of 1.0 corresponding E, L=7.27mm；D indicates standard vision measuring distance, due to carrying out standard view
When power is tested, user's general station is from the position at 5 meters of standard visual acuity chart, therefore d=5m=5000mm.L at this time2=7.27 ×
d1/5000。
Using having trained the radial base neural net completed to determine target range d between laser light source 5 and convex lens 62,
Specifically determine an input vector x=[d1,L2?T；Input vector is inputted into following preset formula:
Wherein, w1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ is radial base letter
Number.
In the specific implementation, in above-mentioned Zoom glasses provided in an embodiment of the present invention, as shown in Figure 1, eyeglass zoom electricity
Road system includes eyeglass zoom circuit 9 and the adjusting circuit knob 10 for adjusting eyeglass zoom circuit 9；
Eyeglass zoom circuit 9 controls the voltage of liquid-crystal zoom lens for the adjusting by adjusting circuit knob 10, with
The refractive index and focal length of liquid-crystal zoom lens are adjusted, until user is clearly apparent the selected target state of user in projector
The figure of that corresponding a line " E " of border standard vision value r.
It should be noted that the selected target international standard eyesight value of user can wear the Zoom glasses in user
Afterwards, before rotation adjusts circuit knob, target international standard eyesight r to be achieved is selected, r can be 0.9,1.0,1.1
Etc. specific international standard eyesight.
Based on the same inventive concept, the embodiment of the invention also provides a kind of above-mentioned zoom eyes provided in an embodiment of the present invention
The focus adjustment method of mirror, since the principle that this method solves the problems, such as is similar to a kind of aforementioned Zoom glasses, this method
Implementation may refer to the implementation of Zoom glasses, and overlaps will not be repeated.
In the specific implementation, the focus adjustment method of Zoom glasses provided in an embodiment of the present invention, as shown in figure 3, specifically
The following steps are included:
S301, micro power obtains system to visual chart respectively and eyeglass focal length regulating system provides power supply；
S302, visual chart obtain system and are projected on smooth metope, obtain projector, and make after adjusting
International standard eyesight is the standoff height of 1.0 corresponding E in projector under projector distance and standard vision measuring distance is 5
Rice when international standard visual chart on international standard eyesight be 1.0 corresponding E height in correspondence with each other；
S303, eyeglass focal length regulating system adjust the focal length of liquid-crystal zoom lens according to projector, so that eyeglass
The practical eyesight of degree and user match.
In the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention, system can be obtained by visual chart
System obtains projector by projection, and then carries out real-time measurement to eyesight, and realize liquid by eyeglass focal length regulating system
The zoom of brilliant zoom lens accurately can adjust eyeglass focal length according to the change of the vision condition of eyes in time in this way, and
The regulation time is short, easy to operate, glasses miniaturization, and eyeglass light transmittance is high.
In the specific implementation, in the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention, step
S302 visual chart obtains system and is projected on smooth metope, obtains projector, and make after adjusting in projector distance
International standard eyesight is the standoff height of 1.0 corresponding E in lower projector and standard vision measuring distance is the world 5 meter Shi
The height that international standard eyesight is 1.0 corresponding E on standard visual acuity chart in correspondence with each other, can specifically include following steps:
Firstly, opening the laser light source in visual chart acquisition system, laser beam is provided and directive visual chart obtains system
In the visual chart for being carved with twenty-twenty vision range convex lens；
Then, the visual chart being carved with is projected by laser beam and is obtained on the smooth metope to convex lens by convex lens
Obtain projector；
Finally, the laser light source position adjustment block in visual chart acquisition system determines between laser light source and convex lens
Target range, and be adjusted according to position of the target range to laser light source, until international standard eyesight in projector
International standard eyesight is on international standard visual chart when for the standoff height of 1.0 corresponding E with standard vision measuring distance being 5 meters
The height of 1.0 corresponding E is in correspondence with each other.
Further, in the specific implementation, in the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention
In, the laser light source position adjustment block in above-mentioned visual chart acquisition system determine the target between laser light source and convex lens away from
From, and be adjusted according to position of the target range to laser light source, until international standard eyesight is 1.0 pairs in projector
International standard eyesight is 1.0 corresponding on international standard visual chart when the standoff height of the E answered with standard vision measuring distance is 5 meters
E height in correspondence with each other, can specifically include:
Processing chip in laser light source position adjustment block according to the actual range between convex lens and projector,
International standard eyesight is 7.27 millimeters of the calibrated altitude and standard vision measuring distance 5 of 1.0 corresponding E on standard visual acuity chart
Rice calculates the object height L that international standard eyesight in the projector is 1.0 corresponding E2, wherein L2=7.27 ×
d1/ 5000, and use and the radial base neural net completed has been trained to determine the mesh between the laser light source and the convex lens
Subject distance d2, wherein with the actual range d between the convex lens and the projector1And the object height L2Composition
Input vector x=[the d of the radial base neural net1,L2]T, the expression formula of the radial base neural net isw1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ
For radial basis function；
Laser light source position adjusting knob in the laser light source position adjustment block is according to the target range to institute
The position for stating laser light source is adjusted, so that the projection that international standard eyesight is 1.0 corresponding E in the projector is high
Degree reaches the calculated object height of the processing chip.
The above-mentioned implementation about to object height and target range is calculated, may refer to the implementation of Zoom glasses, repetition
Place repeats no more.
It is described in detail down below with a specific example and in conjunction with Fig. 1 and Fig. 2 provided in an embodiment of the present invention above-mentioned
The focus adjustment method of Zoom glasses, the specific steps are as follows:
Step 1: micro power provides power supply；
Step 2: opening laser light source switch 8, laser light source 5 issues laser beam directive and is carved with twenty-twenty vision range
The convex lens 6 of visual chart 01；
Step 3: it is d that laser beam, which projects the visual chart 01 carved on convex lens 6 to 6 front distance of convex lens,1's
On smooth metope 02, projector 03 is obtained on smooth metope 02, dimensional measuring instrument can be used and measure d1Reality
Border distance, according to formula L2=7.27 × d1/ 5000 to calculate in projector 03 international standard eyesight be in 1.0 that a line
The object height L of " E " 042；
Step 4: using trained the radial base neural net completed calculate the target of laser light source 5 and convex lens 6 away from
From d2；
Preferably, according to the actual range d of projector 03 and convex lens 61And object height L2Determine an input arrow
Measure x=[d1,L2]T；Input vector x is inputted into preset formula
Wherein, w1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ is radial base letter
Number；
Step 5: target range d2After calculating, d is corresponded in laser light source position regulating system2Scale will have it is bright
Point, user manually adjust near laser light source position adjusting knob 7 to bright spot position, to make laser light source 5 and convex lens 6
Actual range reaches target range d2, the throwing that international standard eyesight in projector 03 is 1.0 corresponding " E " 04 can be realized
Shadow height reaches object height L2；
Step 6: the selected target international standard eyesight r to be achieved after wearing Zoom glasses of user；
Step 7: adjusting eyeglass zoom circuit 9 by adjusting circuit knob 10, adjusting actually enters liquid-crystal zoom lens
Voltage, to adjust the refractive index of liquid-crystal zoom lens, and then the focal length of liquid-crystal zoom lens is adjusted, until projecting to front
That a line " E " that international standard vision is r in projector 03 on smooth metope 02 can clearly be seen.
The focal length tune of above-mentioned Zoom glasses provided in an embodiment of the present invention can be completed by above-mentioned steps one to step 7
Section method.
A kind of Zoom glasses provided in an embodiment of the present invention and its focus adjustment method, comprising: mirror holder is connect with mirror holder
Frame, and two eyeglasses in frame；Eyeglass is liquid-crystal zoom lens；Further include: it is integrated in inside mirror holder for providing
The micro power of power supply, and the visual chart acquisition system of mirror holder and frame junction is electrically connected and is arranged in micro power
With eyeglass focal length regulating system；Visual chart obtains system and is projected on smooth metope, obtains projector, and through adjusting
The standoff height Yu measuring distance for making the corresponding E of international standard eyesight 1.0 in projector under projector distance afterwards are 5 meters
When international standard visual chart on international standard eyesight be 1.0 corresponding E height correspond to each other；Eyeglass focal length regulating system according to
Projector adjusts the focal length of liquid-crystal zoom lens, so that the practical eyesight of the degree of eyeglass and user match.The present invention
By projection obtain projector, by eyeglass focal length regulating system realize liquid-crystal zoom lens zoom, and simultaneously to
The eyesight that focusing rear lens is worn at family carries out real-time measurement, so that the practical eyesight of the degree of eyeglass and user match, regulation
Time is short, easy to operate, glasses miniaturization, and eyeglass light transmittance is high.
Finally, it is to be noted that, herein, relational terms be used merely to by an entity or operation with it is another
A entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this actual
Relationship or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
Zoom glasses provided by the present invention and its focus adjustment method are described in detail above, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention；At the same time, for those skilled in the art is having according to the thought of the present invention
There will be changes in body embodiment and application range, in conclusion the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of Zoom glasses characterized by comprising mirror holder, the frame being connect with the mirror holder, and it is mounted on the mirror
Two eyeglasses in frame；The eyeglass is liquid-crystal zoom lens；Further include:
The micro power being integrated in inside the mirror holder, and with the micro power be electrically connected and be arranged the mirror holder with
The visual chart of the frame junction obtains system and eyeglass focal length regulating system；
The micro power, for obtaining system and eyeglass focal length regulating system offer power supply to the visual chart respectively；
The visual chart obtains system, for being projected on smooth metope, obtains projector, and make after adjusting
Under projector distance in the projector international standard eyesight be 1.0 corresponding E standoff height and standard vision test away from
From when being 5 meters on international standard visual chart international standard eyesight be the height of 1.0 corresponding E in correspondence with each other；
The eyeglass focal length regulating system, for adjusting the focal length of the liquid-crystal zoom lens according to the projector, with
The practical eyesight of the degree and user that make the eyeglass matches；The eyeglass focal length regulating system include eyeglass zoom circuit and
For adjusting the adjusting circuit knob of the eyeglass zoom circuit；The eyeglass zoom circuit, for passing through the adjusting circuit
The adjusting of knob controls the voltage of the liquid-crystal zoom lens, to adjust the refractive index and focal length of the liquid-crystal zoom lens, directly
The figure that the selected target international standard eyesight of user in the projector is worth corresponding that a line E is clearly apparent to user
Shape.
2. Zoom glasses according to claim 1, which is characterized in that it includes sharp for providing that the visual chart, which obtains system,
The convex lens for the visual chart in the laser beam optical path and being carved with twenty-twenty vision range is arranged in the laser light source of light light beam,
And laser light source position adjustment block；
The convex lens, it is smooth to the convex lens for being projected the visual chart being carved with by the laser beam
On metope, the projector is obtained；
The laser light source position adjustment block, for determining the target range between the laser light source and the convex lens,
And be adjusted according to position of the target range to the laser light source, to adjust international standard in the projector
Eyesight is the standoff height of 1.0 corresponding E, until international standard eyesight is 1.0 in the projector under projector distance
International standard eyesight is 1.0 pairs on international standard visual chart when the standoff height and standard vision measuring distance of corresponding E are 5 meters
The height of the E answered is in correspondence with each other.
3. Zoom glasses according to claim 2, which is characterized in that the laser light source position adjustment block includes processing
Chip and with graduated laser light source position adjusting knob；
The processing chip, for according to the actual range d between the convex lens and the projector1, standard visual acuity chart
Upper international standard eyesight is 7.27 millimeters of the calibrated altitude of 1.0 corresponding E and 5 meters of standard vision measuring distance, calculates institute
State the object height L that international standard eyesight in projector is 1.0 corresponding E2, wherein L2=7.27 × d1/ 5000, and adopt
With having trained the radial base neural net completed to determine target range d between the laser light source and the convex lens2,
In, with the actual range d between the convex lens and the projector1And the object height L2Form the radial base
Input vector x=[the d of neural network1,L2]T, the expression formula of the radial base neural net isw1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ
For radial basis function；
Laser light source position adjusting knob, for being adjusted according to position of the target range to the laser light source
Section calculates so that the standoff height that international standard eyesight is 1.0 corresponding E in the projector reaches the processing chip
Object height L out2。
4. Zoom glasses according to claim 1-3, which is characterized in that the visual chart obtains system and described
Eyeglass focal length regulating system is separately positioned on the left and right both ends of the mirror holder Yu the frame junction.
5. Zoom glasses according to claim 4, which is characterized in that the micro power is specifically located at the mirror holder
Follower head.
6. a kind of focus adjustment method of the Zoom glasses as described in claim any one of 1-5 characterized by comprising
Micro power obtains system to visual chart respectively and eyeglass focal length regulating system provides power supply；
The visual chart obtains system and is projected on smooth metope, obtains projector, and make projecting after adjusting
International standard eyesight is the standoff height of 1.0 corresponding E in the lower projector and standard vision measuring distance is 5
Rice when international standard visual chart on international standard eyesight be 1.0 corresponding E height in correspondence with each other；
The eyeglass focal length regulating system adjusts the focal length of the liquid-crystal zoom lens according to the projector, so that institute
The practical eyesight of the degree and user of stating eyeglass matches；The eyeglass focal length regulating system includes eyeglass zoom circuit and is used for
Adjust the adjusting circuit knob of the eyeglass zoom circuit；The eyeglass zoom circuit passes through the tune for adjusting circuit knob
Section, controls the voltage of the liquid-crystal zoom lens, to adjust the refractive index and focal length of the liquid-crystal zoom lens, until user is clear
The clear figure seen the selected target international standard eyesight of user in the projector and be worth corresponding that a line E.
7. the focus adjustment method of Zoom glasses according to claim 6, which is characterized in that the visual chart obtains system
It is projected on smooth metope, obtains projector, and make under projector distance in the projector after adjusting
State on international standard visual chart when international standard eyesight is the standoff height of 1.0 corresponding E and standard vision measuring distance is 5 meters
Border standard vision be 1.0 corresponding E height in correspondence with each other, specifically include:
The laser light source in the visual chart acquisition system is opened, is provided in visual chart acquisition system described in laser beam and directive
The visual chart for being carved with twenty-twenty vision range convex lens；
The visual chart being carved with is projected the smooth metope to the convex lens by the laser beam by the convex lens
It is upper to obtain the projector；
Laser light source position adjustment block in the visual chart acquisition system determine the laser light source and the convex lens it
Between target range, and be adjusted according to position of the target range to the laser light source, until the projection eyesight
International standard eyesight is the standoff height of 1.0 corresponding E and international standard visual chart when standard vision measuring distance is 5 meters on table
Upper international standard eyesight be 1.0 corresponding E height in correspondence with each other.
8. the focus adjustment method of Zoom glasses according to claim 7, which is characterized in that the visual chart obtains system
In laser light source position adjustment block determine the target range between the laser light source and the convex lens, and according to described
The position of the laser light source is adjusted in target range, until international standard eyesight is 1.0 pairs in the projector
International standard eyesight is 1.0 corresponding on international standard visual chart when the standoff height of the E answered with standard vision measuring distance is 5 meters
E height in correspondence with each other, specifically include:
Processing chip in the laser light source position adjustment block is according between the convex lens and the projector
Actual range, international standard eyesight is 7.27 millimeters of the calibrated altitude and standard vision of 1.0 corresponding E on standard visual acuity chart
5 meters of measuring distance, calculate the object height L that international standard eyesight in the projector is 1.0 corresponding E2, wherein L2
=7.27 × d1/ 5000, and use and the radial base neural net completed has been trained to determine the laser light source and the convex lens
Between target range d2, wherein with the actual range d between the convex lens and the projector1And the target is high
Spend L2Form the input vector x=[d of the radial base neural net1,L2]T, the expression formula of the radial base neural net isw1~w12It is the constant for having trained and, c1~c12To have trained the vector come, φ
For radial basis function；
Laser light source position adjusting knob in the laser light source position adjustment block swashs according to the target range to described
The position of radiant is adjusted, so that international standard eyesight is that the standoff height of 1.0 corresponding E reaches in the projector
To the calculated object height of the processing chip.
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| CN108888235A (en) * | 2018-05-22 | 2018-11-27 | 苏州佳世达电通有限公司 | Brilliant Eyes frame |
| CN108845433A (en) * | 2018-07-19 | 2018-11-20 | 三星电子（中国）研发中心 | Intelligent glasses and its control method |
| CN109907728B (en) * | 2019-04-11 | 2022-07-26 | 梁恩惠 | Vision testing device and method |
| CN110426862B (en) * | 2019-08-14 | 2020-11-06 | 广东小天才科技有限公司 | Method for adjusting degree of intelligent glasses and intelligent glasses |
| CN112099244A (en) * | 2020-09-04 | 2020-12-18 | 中国科学院计算技术研究所苏州智能计算产业技术研究院 | Self-adaptive zoom glasses based on retina imaging detection |
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