CN103954630B - A kind of corneal contact lens lens surface state display instrument - Google Patents
A kind of corneal contact lens lens surface state display instrument Download PDFInfo
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- CN103954630B CN103954630B CN201410199106.9A CN201410199106A CN103954630B CN 103954630 B CN103954630 B CN 103954630B CN 201410199106 A CN201410199106 A CN 201410199106A CN 103954630 B CN103954630 B CN 103954630B
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Abstract
The present invention relates to a kind of corneal contact lens lens surface state display instrument.The present invention includes housing, movable mirror case, photographic head and bonnet；Bonnet is flexibly connected with housing, and photographic head is arranged in housing；Movable mirror case is locally provided in housing, and is flexibly connected with housing；Described housing is enclosed by integrated header board, base plate, left plate, right plate and top board and forms；Being provided with mirror case hole and indicator lamp hole on header board, mirror case hole is used for placing movable mirror case, and indicator lamp hole is used for installing display lamp；Photographic head, the movable Transparent frame of mirror case, equal mating plate, lens, pcb light source board, reflective prism and darkening ring it is provided with in described housing.Cost performance of the present invention is high, uses simple, convenient, in individual each medical space.Effectively eyeglass can be nursed, its objectivity, verity, the relieved use of patient can be made.
Description
Technical field
The invention belongs to corneal contact lens nursing technical field, particularly relate to a kind of corneal contact lens lens surface state display instrument.
Background technology
It is known that myopia is the most common and multiple ocular disease of China, the plurality of advantages such as corneal contact lens (contact lens) is convenient with it, comfortable, attractive in appearance, the visual field is big, image is true are liked by more and more many patient's especially youngsters, and application increases year by year；Come into the market and popularization and application recently as all kinds of novel corneal contact lenss (RGP, OK mirror etc.), the increasing head of a family is inclined to selection RGP, OK mirror and corrects teen-age myopia and retarding myopia progress, the thing followed is difficult to observe with the naked eye the albumen of corneal contact lens (contact lens) mirror surface deposition, lipid pollution, scuffing, cut, trickle slight crack etc. because of user, except the light transmittance of corneal contact lens (contact lens) can be lowered, reduce rectification effect, hinder outside the normal use of user, also can induce corneal complication.
In hospital, professional production producer, professional can be by means of microscope, corneal contact lens (contact lens) lens surface situation observed by the instrument such as slit lamp, professional projector, and have left this special environment, restricted by domestic conditions, only with human eye especially myope, it is difficult to be clearly observable corneal contact lens (contact lens) lens surface situation, it is increasingly becoming the problem during restriction corneal contact lens nursing and has highlighted.We are a kind of simple and easy to do in the urgent need to exploring, the intelligent display instrument of the corneal contact lens that detects by an unaided eye (contact lens) lens surface state can be substituted, people especially myope can be by this display instrument, can corneal contact lens (contact lens) lens surface state observe clearly, to pass judgment on whether corneal contact lens (contact lens) eyeglass meets the standard of wearing, it is to avoid cause the damage to cornea.Therefore, developing corneal contact lens (contact lens) lens surface display instrument, to improving corneal contact lens (contact lens) nursing level, protection is healthy with eye, has significant scientific meaning and important clinic is worth.
For this, we combine Modern New Technology, use the CCD of different pixels, cmos device, invent the display instrument being specifically designed to corneal contact lens (contact lens) lens surface state observation, available general household desk computer or the display screen of notebook computer, clearly illustrate the actual instant lens surface situation of corneal contact lens (contact lens).
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, propose a kind of corneal contact lens lens surface state display instrument.
The technical solution used in the present invention is:
A kind of corneal contact lens lens surface state display instrument, including housing, movable mirror case, photographic head and bonnet；Bonnet is flexibly connected with housing, and photographic head is arranged in housing；Movable mirror case is locally provided in housing, and is flexibly connected with housing；
Described housing is enclosed by integrated header board, base plate, left plate, right plate and top board and forms；Being provided with mirror case hole and indicator lamp hole on header board, mirror case hole is used for placing movable mirror case, and indicator lamp hole is used for installing display lamp；Photographic head, the movable Transparent frame of mirror case, equal mating plate, lens, pcb light source board, reflective prism and darkening ring it is provided with in described housing.
4 chutes it are provided with in described housing, it is inserted with photographic head installing plate on the chute of top board, photographic head and signal processing circuit are arranged on a mounting board, and photographic head, display lamp are all connected with signal processing circuit, and signal processing circuit is connected with computer by USB interface；Top-down second runner position is corresponding with mirror case hole, is used for placing movable mirror case, and the Transparent frame groove of movable mirror case enters second chute by the strip mirror case hole being arranged on header board；And it is symmetrically arranged with a pair reflective prism between above two chutes of second chute and below photographic head；Top-down 3rd chute is provided with an equal mating plate, and the 4th chute is provided with pcb light source board, and pcb light source board is provided with multiple LED cold light source, and each LED cold light source is all connected with signal processing circuit；Between equal mating plate and pcb light source board, it is disposed with a pair reverse reflective prism, lens and darkening ring from top to bottom；
Described movable mirror case includes transparency cover, Transparent frame groove and handle, leakproof silica gel ring, and the sidewall of transparency cover is provided with groove, is used for embedding leakproof silica gel ring；Transparent frame groove is cuboid groove, and one lateral surface is fixing with handle to be connected；In the groove of Transparent frame groove, the one end away from handle is provided with a visual field, this visual field is used for placing tested corneal contact lens eyeglass, its optical center position and photographic head, pcb light source onboard led cold light source optical center position on same vertical line, it is simple to camera collection to the state of corneal contact lens eyeglass shown on computers by USB interface.
Described transparency cover, the joint face of Transparent frame groove are inclined-plane, and wherein transparency cover leakproof silica gel ring is inlayed, to ensure that sealing connects；Be provided with the vertical bar stoping eyeglass to depart from optical center in the groove of Transparent frame groove, make the optical center of tested eyeglass without departing from.
The optical center position of the described LED cold light source on pcb light source board is corresponding with the optical center position of photographic head.
The color of described equal mating plate can be dark-grey black, dark-grey, light gray or white.
The material of described leakproof silica gel ring is medical silica-gel.
The material of described transparency cover and Transparent frame groove uses the transparent north material of Ya Keli high-purity.
Described signal processing circuit includes isolating diode D1, filter capacitor C1, current-limiting resistance R1, current-limiting resistance R2, display lamp LED1, cold light source LED2, cold light source LED3, cold light source LED4；
One port of photographic head is connected with the negative pole of isolating diode D1, one end of filter capacitor C1, one end of current-limiting resistance R1, one end of current-limiting resistance R2 simultaneously, the positive pole of isolating diode D1 is connected with computer by USB interface, the other end ground connection of filter capacitor C1；The other end of current-limiting resistance R1 is connected with the positive pole of display lamp LED1, the other end of current-limiting resistance R2 is connected with the positive pole of cold light source LED2, the negative pole of cold light source LED2 is connected with the positive pole of cold light source LED3, the negative pole of cold light source LED3 is connected with the positive pole of cold light source LED4, and the negative pole of display lamp LED1, the negative pole of cold light source LED4, other three ports of photographic head pass through USB interface and computer simultaneously；Computer by USB interface be photographic head, display lamp LED1, cold light source LED2, cold light source LED3, cold light source LED4 power supply is provided.
Described photographic head uses USB2.0 photographic head.
The present invention has the beneficial effect that:
1. due to corneal contact lens lens surface state display instrument, observe corneal contact lens (contact lens) lens surface situation definition height, low cost, the most each corneal contact lens (contact lens) user can have one, user can be to cleaning the eyeglass after nursing by this instrument every day, effectively observe and distinguish, the corneal complication caused due to unclean eyeglass or damage eyeglass can be significantly reduced.
2. high due to corneal contact lens lens surface state display instrument cost performance, use simple, convenient, in individual each medical space, especially street, rural area, outlying district clinic can use widely, patient can be made intuitively, see lens condition really, with the guidance accepting doctor more voluntarily, carry out effective eye-care, its objectivity, verity, the relieved use of patient can be made.Bring the facility in diagnosis and treatment to doctor simultaneously.
3. it is known that in the crowd worn glasses, 70 ~ 80 percent is minor or youngster.They have been very familiar to use and the IT product of computer, and use handy, and corneal contact lens lens surface state display instrument computer just and the maximally effective combination of IT product, so, this kind of crowd has solid foundation in use corneal contact lens lens surface state display instrument, they do not need adding other equipment, therefore, to bringing great convenience property of use.
4. it is understood that stealthy soft lens is to be unable to do without liquid, and the design of our movable mirror case sufficiently take into account this niche market of corneal contact lens soft lens, in the movable mirror case of our design, various liquid and soft lens can be deposited, eyeglass is effectively observed simultaneously.
5. due to the design of movable mirror case, we also can carry out physical observation to various different conditioning liquids, and to distinguish the granule in conditioning liquid, turbidity, colourity etc., all liquid all can put into corneal contact lens lens surface state display instrument with the mirror case sealed, very clear.From the foregoing, originally will be in particular place specialized equipment: such as optical microscope, projector etc., the corneal contact lens eyeglass that professional observes, become almost that everybody can be random, corneal contact lens (contact lens) eyeglass of observation at any time,
At present, CCD, the pixel capacity of cmos device improves constantly, and can clearly illustrate contact lens surface situation in digital display screen.We are with 800, the device of 500,300,100 ten thousand pixels, have made and have amplified the display that the contact lens surface situation of 100 500 times is observed, have been obtained for image clear, the on-the-spot promising result of the strong contact lens of third dimension.
Light has had the CCD of fine definition, and CMOS not enough, also will be by contemporary optics, with the light distribution in cold light source and prism reasonable layout cavity so that display contact lens surface situation more three-dimensional, becomes apparent from.
Accompanying drawing explanation
Fig. 1 is inventive shell structure chart；
Fig. 2 is inventive shell schematic internal view；
Fig. 3 is activity mirror case coarse map of the present invention；
Fig. 4 is schematic diagram after the present invention；
Fig. 5 is activity mirror case schematic diagram of the present invention；
Fig. 6 is signal processing circuit figure of the present invention.
In figure, display lamp 1, photographic head 2, mirror case hole 3, movable mirror case 4, transparency cover 4-1, Transparent frame groove 4-2, handle 4-3, leakproof silica gel ring 4-4, equal mating plate 5, lens 6, pcb light source board 7, reflective prism 8, darkening ring 9, usb 10, header board 11, bonnet 12.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Fig. 1～Fig. 5, a kind of corneal contact lens lens surface state display instrument, including housing, movable mirror case 4, photographic head 2 and bonnet 12；Bonnet 12 is flexibly connected with housing, and photographic head 2 is arranged in housing；Movable mirror case 4 is locally provided in housing, and is flexibly connected with housing；
As it is shown in figure 1, described housing is enclosed formed by integrated header board 11, base plate, left plate, right plate and top board；Being provided with mirror case hole 3 and indicator lamp hole on header board 11, mirror case hole 3 is used for placing movable mirror case 4, and indicator lamp hole is used for installing display lamp 1；Photographic head 2, the movable Transparent frame of mirror case 4, equal mating plate 5, lens 6, pcb light source board 7, reflective prism 8 and darkening ring 9 it is provided with in described housing.
4 chutes it are provided with in described housing, it is inserted with photographic head 2 installing plate on the chute of top board, photographic head 2 and signal processing circuit are arranged on a mounting board, and photographic head 2, display lamp 1 are all connected with signal processing circuit, and signal processing circuit is connected with computer by usb 10；Top-down second runner position is corresponding with mirror case hole 3, is used for placing movable mirror case 4, and the Transparent frame groove 4-2 of movable mirror case 4 enters second chute by the strip mirror case hole 3 being arranged on header board 11；And between above two chutes of second chute and below photographic head, it is symmetrically arranged with a pair reflective prism 8；Top-down 3rd chute is provided with an equal mating plate 5, and the 4th chute is provided with pcb light source board 7, and pcb light source board 7 is provided with multiple LED cold light source, and each LED cold light source is all connected with signal processing circuit；Between equal mating plate 5 and pcb light source board 7, it is disposed with a pair reverse reflective prism 8, lens 6 and darkening ring 9 from top to bottom；
The optical center position of the described LED cold light source 7 on pcb light source board 7 is corresponding with the optical center position of photographic head 2；
The color of described equal mating plate 5 can be dark-grey black, dark-grey, light gray or white.
As shown in Figure 3 and Figure 5, movable mirror case 4 includes transparency cover 4-1, Transparent frame groove 4-2 and handle 4-3, leakproof silica gel ring 4-4, and the sidewall of transparency cover 4-1 is provided with groove, is used for embedding leakproof silica gel ring 4-4；Transparent frame groove 4-2 is cuboid groove, and one lateral surface is fixing with handle 4-3 to be connected；In the groove of Transparent frame groove 4-2, the one end away from handle 4-3 is provided with a visual field, this visual field is used for placing tested corneal contact lens eyeglass, its optical center position and the optical center position of LED cold light source on photographic head 2 pcb light source board 7 are on first vertical line, it is simple to the state of the corneal contact lens eyeglass that photographic head 2 collects is being shown on computers by usb 10；
Described transparency cover 4-1, the joint face of Transparent frame groove 4-2 are inclined-plane, and wherein transparency cover 4-1 leakproof silica gel ring 4-4 inlays, to ensure not leak any liquid, it is ensured that seal and connect.Be provided with the vertical bar stoping eyeglass to depart from optical center in the groove of Transparent frame groove 4-2, make the optical center of tested eyeglass without departing from.
The material of described leakproof silica gel ring 4-4 is medical silica-gel.
Described transparency cover 4-1 and Transparent frame groove 4-2 material use the transparent north material of Ya Keli high-purity.
As shown in Figure 6, described signal processing circuit includes isolating diode D1, filter capacitor C1, current-limiting resistance R1, current-limiting resistance R2, display lamp LED1, cold light source LED2, cold light source LED3, cold light source LED4.
One port of photographic head 2 is connected with the negative pole of isolating diode D1, one end of filter capacitor C1, one end of current-limiting resistance R1, one end of current-limiting resistance R2 simultaneously, the positive pole of isolating diode D1 is connected with computer by USB interface, the other end ground connection of filter capacitor C1；The other end of current-limiting resistance R1 is connected with the positive pole of display lamp LED1, the other end of current-limiting resistance R2 is connected with the positive pole of cold light source LED2, the negative pole of cold light source LED2 is connected with the positive pole of cold light source LED3, the negative pole of cold light source LED3 is connected with the positive pole of cold light source LED4, and the negative pole of display lamp LED1, the negative pole of cold light source LED4, other three ports of photographic head 2 pass through USB interface and computer simultaneously.
Described photographic head 2 uses USB2.0 photographic head；
Signal processing circuit by computer be photographic head, display lamp LED1, cold light source LED2, cold light source LED3, cold light source LED4 power supply is provided；The image collected and signal are exchanged with computer by USB1 and USB2 port, are allowed to imaging on a display screen.
Work process of the present invention is as follows:
When USB interface inserts host computer, host computer is powered by the LED cold light source in two lines supply corneal contact lens lens surface state display instrument red-black in USB interface and display lamp, LED cold light source on pcb light source board is no more than 5, each LED cold light source is with 10 milliamperes of electric currents, so LED cold light source part is no more than 50 milliamperes, its peak power is less than 300 milliwatts, after LED cold light source luminous, directional light is become through 6 scattered lights of lens, directional light is through the visual field placing eyeglass in Transparent frame groove 4-2 in movable mirror case 4, and eyeglass is sent into the optical lens imaging of photographic head 2, then it is delivered to host computer through signal processing circuit and USB interface, finally the state of the corneal contact lens eyeglass collected is shown on digital screen.
Described reflective prism 8, darkening ring 9 can produce the light of different directions, for each different parts of the tested eyeglass of directive so that each minor detail of tested eyeglass is all revealed, to obtain optimal stereoeffect.
Described equal mating plate can adjust light source and the ratio of prism scattered light, to reach optimal.Concurrently facilitate the resolution of viewing lens Fouling Properties, the difference of equal mating plate color, its over the display definition different.
It is understood that, any image display system, there is automatic regulation function on the premise of certain light intensity, such as photographing unit, computer video camera and display screen, and exceeded system and be automatically adjusted scope, that necessarily takes less than satisfied image, therefore within the scope of the present invention can implement to being automatically adjusted of existing computer system, to obtain best image image effect.
Claims (9)
1. a corneal contact lens lens surface state display instrument, it is characterised in that include housing, movable mirror case,
Photographic head and bonnet；Bonnet is flexibly connected with housing, and photographic head is arranged in housing；Movable mirror case local sets
Put in housing, and be flexibly connected with housing；
Described housing is enclosed by integrated header board, base plate, left plate, right plate and top board and forms；
Being provided with mirror case hole and indicator lamp hole on header board, mirror case hole is used for placing movable mirror case, and indicator lamp hole is used for pacifying
Dress display lamp；Be provided with in described housing photographic head, the movable Transparent frame of mirror case, equal mating plate, lens,
Pcb light source board, reflective prism and darkening ring；
It is provided with 4 chutes in described housing, on the chute of top board, is inserted with photographic head installing plate,
Photographic head and signal processing circuit are arranged on a mounting board, photographic head, display lamp all with signal processing circuit phase
Connecting, signal processing circuit is connected with computer by USB interface；Top-down second runner position
Corresponding with mirror case hole, it is used for placing movable mirror case, the Transparent frame groove of movable mirror case is by being arranged on header board
Strip mirror case hole enter second chute；And it is positioned at above two chutes of second chute and photographic head
A pair reflective prism it is symmetrically arranged with between Xia Fang；Top-down 3rd chute is provided with an equal mating plate,
4th chute is provided with pcb light source board, and pcb light source board is provided with multiple LED cold light source, and each
LED cold light source is all connected with signal processing circuit；Between equal mating plate and pcb light source board, from top to bottom
It is disposed with a pair reverse reflective prism, lens and darkening ring.
2. a kind of corneal contact lens lens surface state display instrument as claimed in claim 1, it is characterised in that:
Described movable mirror case includes transparency cover, Transparent frame groove and handle, leakproof silica gel ring, the side of transparency cover
Wall is provided with groove, is used for embedding leakproof silica gel ring；Transparent frame groove is cuboid groove, one lateral surface with
Handle is fixing to be connected；In the groove of Transparent frame groove, the one end away from handle is provided with a visual field, and this visual field is used
In placing tested corneal contact lens eyeglass, its optical center position and photographic head, pcb light source onboard led are cold
The optical center position of light source is on same vertical line, it is simple to the corneal contact lens eyeglass that camera collection arrives
State is being shown on computers by USB interface.
3. a kind of corneal contact lens lens surface state display instrument as claimed in claim 2, it is characterised in that:
Described transparency cover, the joint face of Transparent frame groove are inclined-plane, and wherein transparency cover leakproof silica gel ring is inlayed
Embedding, to ensure that sealing connects；The vertical bar stoping eyeglass to depart from optical center it is provided with in the groove of Transparent frame groove,
Make the optical center of tested eyeglass without departing from.
4. a kind of corneal contact lens lens surface state display instrument as claimed in claim 1, its feature exists
In: the optical center position of the described LED cold light source on pcb light source board and the optical center position of photographic head
Put corresponding.
5. a kind of corneal contact lens lens surface state display instrument as claimed in claim 1, its feature exists
In: the color of described equal mating plate is dark-grey black, dark-grey, light gray or white.
6. a kind of corneal contact lens lens surface state display instrument as claimed in claim 3, its feature exists
In: the material of described leakproof silica gel ring is medical silica-gel.
7. a kind of corneal contact lens lens surface state display instrument as claimed in claim 1, its feature exists
In: the material of described transparency cover and Transparent frame groove uses the transparent north material of Ya Keli high-purity.
8. a kind of corneal contact lens lens surface state display instrument as claimed in claim 1, its feature exists
In:
Described signal processing circuit includes isolating diode D1, filter capacitor C1, current-limiting resistance R1, limit
Leakage resistance R2, display lamp LED1, cold light source LED2, cold light source LED3, cold light source LED4；
One port of photographic head simultaneously with the negative pole of isolating diode D1, one end of filter capacitor C1, limit
One end of leakage resistance R1, one end of current-limiting resistance R2 are connected, and the positive pole of isolating diode D1 passes through USB
Interface is connected with computer, the other end ground connection of filter capacitor C1；The other end of current-limiting resistance R1 and finger
Showing that the positive pole of lamp LED1 is connected, the other end of current-limiting resistance R2 is connected with the positive pole of cold light source LED2
Connecing, the negative pole of cold light source LED2 is connected with the positive pole of cold light source LED3, the negative pole of cold light source LED3
Be connected with the positive pole of cold light source LED4, the negative pole of display lamp LED1, the negative pole of cold light source LED4,
Other three ports of photographic head are simultaneously by USB interface and computer；Computer by USB interface is
Photographic head, display lamp LED1, cold light source LED2, cold light source LED3, cold light source LED4 provide power supply.
9. a kind of corneal contact lens lens surface state display instrument as claimed in claim 1, its feature exists
In: described photographic head uses USB2.0 photographic head.
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| CN201410199106.9A CN103954630B (en) | 2014-05-12 | 2014-05-12 | A kind of corneal contact lens lens surface state display instrument |
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| CN201410199106.9A CN103954630B (en) | 2014-05-12 | 2014-05-12 | A kind of corneal contact lens lens surface state display instrument |
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| CN103954630B true CN103954630B (en) | 2016-09-14 |
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| CN203870033U (en) * | 2014-05-12 | 2014-10-08 | 杭州视亨光电有限公司 | Lens surface status display meter for corneal contact lens |
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| CN101266194B (en) * | 2007-08-27 | 2011-09-07 | 温州医学院眼视光研究院 | High precision image quality detection system for optical eye lens |
| JP2013054021A (en) * | 2011-09-02 | 2013-03-21 | Miyagi Prefecture | Method and device for detecting transparent body |
| CN102768214B (en) * | 2012-05-28 | 2014-09-03 | 明基材料有限公司 | System and method for detecting contact lens |
| CN203164136U (en) * | 2013-02-22 | 2013-08-28 | 安徽省郎溪县韩星眼镜有限公司 | Equipment for detecting quality of contact lenses |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203870033U (en) * | 2014-05-12 | 2014-10-08 | 杭州视亨光电有限公司 | Lens surface status display meter for corneal contact lens |
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