CN107991792A - 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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- CN107991792A CN107991792A CN201711227020.2A CN201711227020A CN107991792A CN 107991792 A CN107991792 A CN 107991792A CN 201711227020 A CN201711227020 A CN 201711227020A CN 107991792 A CN107991792 A CN 107991792A
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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
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Abstract
This application discloses a kind of Zoom glasses and its focus adjustment method, including：Micro power provides power supply, visual chart obtains system and is projected on smooth metope, obtain projector, and it is adjusted after international standard eyesight is 1.0 corresponding E on international standard visual chart when making international standard eyesight is 1.0 corresponding E in projector under projector distance standoff height with measuring distance be 5 meters height correspond；User is according to projector, by the focal length of eyeglass focal length regulating system adjusting liquid-crystal zoom lens, so that the actual eyesight of the number of degrees of eyeglass and user match.The application obtains projector by projecting, the zoom of liquid-crystal zoom lens is realized by eyeglass focal length regulating system, and the eyesight for wearing focusing rear lens to user at the same time is measured in real time, so that the number of degrees of eyeglass and the actual eyesight of user match, the regulation and control time is short, easy to operate, and focusing is accurate, glasses minimize, and eyeglass light transmittance is high.
Description
Technical field
The present invention relates to Application Optics technical field, more particularly to a kind of Zoom glasses and its focus adjustment method.
Background technology
Widely applied glasses are using focusing the eyeglass away from the fixed number of degrees currently on the market.But for myopia or remote
For eye, excessively human eyesight is caused also constantly to change in accumulating over a long period with eye, this requires people will constantly replace
Glasses, many troubles are brought to life and work.
In order to protect eyes, different types of glasses employ many new technical solutions, such as：Can inside double-layer lens
Change the focal length of eyeglass by the way that air valve is inflated for deflated；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 is relative complex dilatory, and cannot be changed in time according to the change of the vision condition of eyes, it is unfavorable for eye
The protection of the health and eyesight of eyeball.
Therefore, how to provide a kind of easy to operate and mirror can accurately 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 hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of Zoom glasses and its focus adjustment method, tune can be shortened
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, including：Mirror holder, the frame being connected with the mirror holder, and two in the frame
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 with the micro power and be arranged on the mirror
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 it is adjusted after
The standoff height that international standard eyesight is 1.0 corresponding E in the projector under projector distance is set to be surveyed with standard vision
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 according to the projector, adjusting Jiao of the liquid-crystal zoom lens
Away from so that the actual eyesight of the number of degrees of the eyeglass and user match.
Preferably, in above-mentioned Zoom glasses provided in an embodiment of the present invention, the projector, which obtains system, to be included
For providing the laser light source of laser beam, it is arranged in the laser beam light path and is carved with the visual chart of twenty-twenty vision scope
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 the position of the laser light source is adjusted according to the target range, 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 bag
Include process chip and with graduated laser light source position adjusting knob；
The process 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 on visual chart, and 5 meters of standard vision measuring distance, meter
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 the radial base neural net that training is completed determine target between the laser light source and the convex lens away from
From d2, wherein, 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 to have trained next constant, c1~c12To have trained the vector come, φ
For radial basis function；
Laser light source position adjusting knob, for being carried out according to the target range to the position of the laser light source
Adjust, so that international standard eyesight is that the standoff height of 1.0 corresponding E reaches the process chip meter in the projector
The object height calculated.
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 the adjusting circuit knob for adjusting the eyeglass zoom circuit；
The eyeglass zoom circuit, for the adjusting by the adjusting circuit knob, controls the liquid-crystal zoom lens
Voltage, to adjust the refractive index of the liquid-crystal zoom lens and focal length, 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 and 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 present invention additionally provides a kind of focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention,
Including：
System is obtained to visual chart respectively for micro power and eyeglass focal length regulating system provides power supply；
The visual chart obtains system and is projected on smooth metope, obtains projector, and it is adjusted after make
Standoff height and the standard vision that international standard eyesight is 1.0 corresponding E in the projector under projector distance test away from
From for 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 focus adjusting system adjusts the focal length of the liquid-crystal zoom lens, so that institute according to the projector
State the number of degrees of eyeglass and the actual eyesight of user matches.
Preferably, in the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention, the visual chart obtains
Take system to be projected on smooth metope, obtain projector, and it is adjusted after make under projector distance it is described projection regard
International standard eyesight is international standard eyesight when the standoff height of 1.0 corresponding E and standard vision measuring distance are 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：
Open the laser light source in the visual chart acquisition system, there is provided laser beam and visual chart acquisition system described in directive
The convex lens of the visual chart for being carved with twenty-twenty vision scope 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 the position of the laser light source is adjusted according to the target range, until the projection
International standard regards when the standoff height that international standard eyesight is 1.0 corresponding E on visual chart with 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 obtains
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
The position of the laser light source is adjusted according to the target range, 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：
Process 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 of 1.0 corresponding E on standard visual acuity chart, and standard
5 meters of eyesight testing distance, calculates the object height L that international standard eyesight in the projector is 1.0 corresponding E2, its
Middle L2=7.27 × d1/ 5000, and the laser light source and the convex lens are determined using the radial base neural net that training is completed
Target range d between mirror2, wherein, 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 to have trained next constant, 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 object height that the process chip calculates.
A kind of Zoom glasses provided by the present invention and its focus adjustment method, including：Mirror holder, the mirror being connected with mirror holder
Frame, and two eyeglasses in frame；Eyeglass is liquid-crystal zoom lens；Further include：It is integrated in inside mirror holder and is used to provide electricity
The micro power in source, and be electrically connected with micro power and be arranged on mirror holder and frame junction visual chart obtain system and
Eyeglass focal length regulating system；Visual chart obtain system projected on smooth metope, obtain projector, and it is adjusted after
The standoff height that international standard eyesight is 1.0 corresponding E in the projector under projector distance is set to be surveyed with standard vision
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, so that the actual eyesight of the number of degrees of eyeglass and user according to projector
Match.The present invention obtains projector by projecting, and the change of liquid-crystal zoom lens is realized by eyeglass focal length regulating system
Jiao, and the eyesight for wearing focusing rear lens to user at the same time is measured in real time, so that the number of degrees of eyeglass and the reality of user regard
Power matches, and the regulation and control time is short, easy to operate, glasses miniaturization, and eyeglass light transmittance is high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are 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 structure diagram of Zoom glasses provided in an embodiment of the present invention；
Fig. 2 is the principle schematic 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.
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, belongs to the scope of protection of the invention.
The present invention provides a kind of Zoom glasses, as shown in Figure 1, including：Mirror holder 1, the frame 2, Yi Jian being connected 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 with micro power 4 and be arranged on mirror holder 1 and frame
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 obtain system, for being projected on smooth metope, obtain projector, and it is adjusted after make
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 during rice, which corresponds, (has equivalent eyesight testing effect
Fruit)；
Eyeglass focal length regulating system, for according to projector, adjusting the focal length of liquid-crystal zoom lens, so that eyeglass
The actual eyesight of the number of degrees and user match.
In above-mentioned Zoom glasses provided in an embodiment of the present invention, projector is obtained by projecting, it is burnt by eyeglass
The zoom of liquid-crystal zoom lens is realized away from regulating system, and the eyesight for wearing focusing rear lens to user at the same time measures, with
The number of degrees of eyeglass and the actual eyesight of user is set to match, the regulation and control time is short, easy to operate, glasses miniaturization, eyeglass light transmittance
Height, solves some inconvenience and trouble that eyes of user myopia or long sight bring life, 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 and 2 junction of frame are not arranged on, and such setting does not interfere with visual chart and obtains system and eyeglass
The interaction of focus adjusting system, it is easy to operation.It should be noted that mirror holder and frame junction can be mirror holder front ends
Position or the left and right ends of frame, or mirror holder and the area of space of frame junction 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 miscellaneous part, such as Fig. 1
Shown, micro power 4 can be specifically located at the follower head of 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 regards
Power table, which obtains system, can include being used for the laser light source 5 for providing laser beam, be arranged in laser beam light path and be carved with just
The convex lens 6 of the visual chart 01 of normal range of vision, and laser light source position adjustment block；
Convex lens 6, for being projected the visual chart 01 being carved with to the smooth metope in the front of convex lens 6 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 that the standoff height of 1.0 corresponding " E " 04 is international on international standard visual chart when standard vision measuring distance is 5 meters marks
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 institutes
Show, laser light source position adjustment block includes process chip and with graduated laser light source position adjusting knob 7；
Process chip, 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 of 1.0 corresponding E, and standard vision measuring distance calculates state in projector 03
Border standard vision is the object height L of 1.0 corresponding " E " 042, it is additionally operable to according between convex lens 6 and projector 03
Actual range d1, and the object height L calculated2, the trained radial base neural net completed determines laser light source 5 for use
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
It is that the standoff height of 1.0 corresponding " E " 04 reaches the mesh that process chip calculates to make international standard eyesight in projector 03
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 are adjusted near laser light source position adjusting knob 7 to bright spot position manually, you can are 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 is turned on and off.
In addition, calculate 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, d1Represent the actual range between convex lens 6 and projector 03；L represents international on standard visual acuity chart
Standard vision be 1.0 corresponding E calibrated altitude, L=7.27mm；D represents standard vision measuring distance, since carry out standard regards
When power is tested, position of user's general station at 5 meters from standard visual acuity chart, therefore d=5m=5000mm.L at this time2=7.27 ×
d1/5000。
The target range d between laser light source 5 and convex lens 6 is determined using the radial base neural net that training is completed2,
Specifically determine an input vector x=[d1,L2 T；Input vector is inputted into following preset formula：
Wherein, w1~w12It is to have trained next constant, c1~c12To have trained the vector come, φ is radial direction 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 is electric
Road system includes eyeglass zoom circuit 9 and the adjusting circuit knob 10 for adjusting eyeglass zoom circuit 9；
Eyeglass zoom circuit 9, for the adjusting by adjusting circuit knob 10, controls the voltage of liquid-crystal zoom lens, 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 adjusting circuit knob is rotated, selected target international standard the eyesight r, r to be reached can be 0.9,1.0,1.1
Etc. specific international standard eyesight.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of above-mentioned zoom eye 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 foregoing 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
Comprise the following steps：
S301, system is obtained to visual chart respectively for micro power and eyeglass focal length regulating system provides power supply；
S302, visual chart obtain system projected on smooth metope, obtain projector, and it is adjusted after make
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 actual eyesight of the number of degrees and user match.
In the focus adjustment method of above-mentioned Zoom glasses provided in an embodiment of the present invention, visual chart can be passed through and obtain system
System obtains projector by projecting, and then eyesight is measured in real time, and realizes liquid by eyeglass focal length regulating system
The zoom of brilliant zoom lens, so can accurately adjust eyeglass focal length according to the change of the vision condition of eyes in time, and
The regulation and control 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 charts obtain system projected on smooth metope, obtain projector, and it is adjusted after make 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 5 meter Shi worlds
The height that international standard eyesight is 1.0 corresponding E on standard visual acuity chart in correspondence with each other, specifically may comprise steps of：
First, the laser light source in visual chart acquisition system is opened, there is provided laser beam and directive visual chart acquisition system
In the visual chart for being carved with twenty-twenty vision scope convex lens；
Then, the visual chart being carved with is projected and obtained on the smooth metope to convex lens by convex lens by laser beam
Obtain projector；
Finally, the laser light source position adjustment block in visual chart acquisition system is determined between laser light source and convex lens
Target range, and the position of laser light source is adjusted according to target range, 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 target between laser light source and convex lens away from
From, and the position of laser light source is adjusted according to target range, 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：
Process 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 of 1.0 corresponding E on standard visual acuity chart, and standard vision measuring distance 5
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 the radial base neural net completed using training determines the mesh between the laser light source and the convex lens
Subject distance d2, wherein, 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 to have trained next constant, 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 object height that the process chip calculates.
The above-mentioned implementation on to calculating object height and target range, may refer to the implementation of Zoom glasses, repetition
Place repeats no more.
It is below with a specific example and provided in an embodiment of the present invention above-mentioned to be described in detail down with reference to Fig. 1 and Fig. 2
The focus adjustment method of Zoom glasses, comprises the following steps that：
Step 1: micro power provides power supply；
Step 2: opening laser light source switch 8, laser light source 5 sends laser beam directive and is carved with twenty-twenty vision scope
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, d can be measured using dimensional measuring instrument1Reality
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 the radial base neural net that training is completed calculate the target of laser light source 5 and convex lens 6 away from
From d2；
Preferably, according to projector 03 and the actual range d of 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 to have trained next constant, c1~c12To have trained the vector come, φ is radial direction 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 are adjusted near laser light source position adjusting knob 7 to bright spot position manually, so that laser light source 5 and convex lens 6
Actual range reaches target range d2, you can realize the throwing that international standard eyesight is 1.0 corresponding " E " 04 in projector 03
Shadow highly reaches object height L2；
Step 6: user selectes the target international standard eyesight r to be reached after wearing Zoom glasses；
Step 7: adjusting eyeglass zoom circuit 9 by adjusting circuit knob 10, adjusting actually enters liquid-crystal zoom lens
Voltage, so as 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, including：Mirror holder, is connected with mirror holder
Frame, and two eyeglasses in frame；Eyeglass is liquid-crystal zoom lens；Further include：It is integrated in inside mirror holder and is used to provide
The micro power of power supply, and be electrically connected with micro power and be arranged on mirror holder and the visual chart acquisition system of frame junction
With eyeglass focal length regulating system；Visual chart obtains system and is projected on smooth metope, obtains projector, and adjusted
Make that international standard eyesight is the standoff height of 1.0 corresponding E in projector under projector distance and measuring distance is 5 meters afterwards
When international standard visual chart on international standard eyesight be 1.0 corresponding E height correspond；Eyeglass focal length regulating system according to
Projector, adjusts the focal length of liquid-crystal zoom lens, so that the actual eyesight of the number of degrees of eyeglass and user match.The present invention
Obtain projector by projecting, realize the zooms of liquid-crystal zoom lens by eyeglass focal length regulating system, and at the same time to
The eyesight that focusing rear lens is worn at family is measured in real time, so that the actual eyesight of the number of degrees of eyeglass and user match, regulation and control
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, without necessarily requiring or implying there are any this actual between these entities or operation
Relation or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion,
So that process, method, article or equipment including a series of elements not only include those key elements, but also including not having
The other element being expressly recited, or further include as elements inherent to such a process, method, article, or device.Do not having
There is the key element in the case of more limiting, limited by sentence "including a ...", it is not excluded that including the mistake of the key element
Also there are other identical element 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
Specific case is set forth the principle of the present invention and embodiment, to understand the explanation of above example is only intended to helping
The method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, having
There will be changes in body embodiment and application range, in conclusion this specification content should not be construed as to the present invention
Limitation.
Claims (9)
- A kind of 1. Zoom glasses, it is characterised in that including：Mirror holder, the frame being connected with the mirror holder, and installed in 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 on 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 it is adjusted after make Standoff height and the standard vision that international standard eyesight is 1.0 corresponding E in the projector under projector distance test away from From for 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 according to the projector, adjusting the focal length of the liquid-crystal zoom lens, with The number of degrees of the eyeglass and the actual eyesight of user is set to match.
- 2. Zoom glasses according to claim 1, it is characterised in that the projector, which obtains system, to be included being used to carry For the laser light source of laser beam, the convex lens for the visual chart in the laser beam light path and being carved with twenty-twenty vision scope is arranged on Mirror, 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 the position of the laser light source is adjusted according to the target range, 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 of corresponding E and standard vision measuring distance are 5 meters The height of the E answered is in correspondence with each other.
- 3. Zoom glasses according to claim 2, it is characterised in that the laser light source position adjustment block includes processing Chip and with graduated laser light source position adjusting knob；The process 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 The target range d between the laser light source and the convex lens is determined with the radial base neural net that training is completed2, its In, the actual range d between the convex lens and the projector1And the object height L2Form the radial direction base Input vector x=[the d of neutral net1,L2]T, the expression formula of the radial base neural net is w1~w12It is to have trained next constant, c1~c12To have trained the vector come, φ is radial basis function；Laser light source position adjusting knob, for being adjusted according to the target range to the position of 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 process chip The object height L gone out2。
- 4. Zoom glasses according to claim 3, it is characterised in that the eyeglass zoom circuit system includes eyeglass zoom Circuit and the adjusting circuit knob for adjusting the eyeglass zoom circuit；The eyeglass zoom circuit, for the adjusting by the adjusting circuit knob, controls the electricity of the liquid-crystal zoom lens Pressure, to adjust the refractive index of the liquid-crystal zoom lens and focal length, until user is clearly apparent user in the projector Selected target international standard eyesight is worth the figure of corresponding that a line E.
- 5. according to claim 1-4 any one of them Zoom glasses, it is characterised 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 and the frame junction.
- 6. Zoom glasses according to claim 5, it is characterised in that the micro power is specifically located at the mirror holder Follower head.
- A kind of 7. focus adjustment method of the Zoom glasses as described in claim any one of 1-6, it is characterised in that including：System is obtained to visual chart respectively for micro power and eyeglass focal length regulating system provides power supply；The visual chart obtains system and is projected on smooth metope, obtains projector, and it is adjusted after make projecting 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, so that institute according to the projector State the number of degrees of eyeglass and the actual eyesight of user matches.
- 8. the focus adjustment method of Zoom glasses according to claim 7, it is characterised in that the visual chart obtains system Projected on smooth metope, obtain projector, and it is adjusted after make under projector distance in the projector International standard eyesight is state on international standard visual chart when the standoff height of 1.0 corresponding E and standard vision measuring distance are 5 meters Border standard vision be 1.0 corresponding E height in correspondence with each other, specifically include：Open the laser light source in the visual chart acquisition system, there is provided in laser beam and visual chart acquisition system described in directive The visual chart for being carved with twenty-twenty vision scope 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 the position of the laser light source is adjusted according to the target range, until the projection eyesight International standard eyesight is international standard visual chart when the standoff height of 1.0 corresponding E and standard vision measuring distance are 5 meters on table Upper international standard eyesight be 1.0 corresponding E height in correspondence with each other.
- 9. the focus adjustment method of Zoom glasses according to claim 8, it is characterised in that the visual chart obtains system In laser light source position adjustment block determine 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：Process 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 of 1.0 corresponding E on standard visual acuity chart, and standard vision 5 meters of measuring distance, calculates the object height L that international standard eyesight in the projector is 1.0 corresponding E2, wherein L2 =7.27 × d1/ 5000, and the laser light source and the convex lens are determined using the radial base neural net that training is completed Between target range d2, wherein, 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 to have trained next constant, 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 The object height calculated to the process chip.
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| CN108845433A (en) * | 2018-07-19 | 2018-11-20 | 三星电子（中国）研发中心 | Intelligent glasses and its control method |
| CN108888235A (en) * | 2018-05-22 | 2018-11-27 | 苏州佳世达电通有限公司 | Brilliant Eyes frame |
| CN109907728A (en) * | 2019-04-11 | 2019-06-21 | 梁恩惠 | A kind of sight test means and method |
| CN110426862A (en) * | 2019-08-14 | 2019-11-08 | 广东小天才科技有限公司 | A kind of method and intelligent glasses adjusting intelligent glasses degree |
| 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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