CN206450407U - Ophthalmic len gray scale detection instrument - Google Patents

Abstract

The utility model discloses ophthalmic len gray scale detection instrument, including rectangular box, case lid and lock, it is characterised in that：Diaphragm plate is provided with described rectangular box, compares vitta in the anterior standard grayscale of being pasted provided with two silver halide eyeglasses, on the diaphragm plate between two silver halide eyeglasses side by side of diaphragm plate；The opening's edge of described case lid is provided with shrouding, and position corresponding with silver halide eyeglass is provided with two ultraviolet lamps on shrouding；Battery is provided with the interlayer cavity of case lid, two ultraviolet lamps are connected by wire with battery, while connecting adjustable voltage table.The glasses gray scale detection instrument, it is simple in construction, low manufacture cost, easy to use, resin light-sensitive sunglasses and polaroid glasses can be compared under ultraviolet irradiation by the change color shade of silver halide eyeglass with standard grayscale ratio vitta, you can show whether the gray scale of resin light-sensitive sunglasses and polaroid glasses meets national standard easily；It can also draw the Uv values of ophthalmic len simultaneously.

Description

Ophthalmic len gray scale detection instrument

Technical field

The utility model is related to a kind of detection means of lens optical performance, specifically a kind of ophthalmic len gray scale detection Instrument, it is adaptable to the gray scale detection of resin light-sensitive sunglasses and polaroid glasses.

Background technology

At present, in the high learning stage, school encourages student to make a social investigation, and combines social investigation proposition research class Topic.The vertical road for seeing the study passed by, in primary school period, the number that student wears glasses accounts for 21%；In middle school period, student's hyperphoria with fixed eyeballs The number of mirror accounts for 55%；In senior high school period, the number that student wears glasses accounts for 70%；And it is more and more.Due to student's stage, It is student's body development most fast stage, adds learning burden and increasingly weigh, the use time of computer or mobile phone is increasingly longer, eye Mirror is worn improper not for a long time, it is necessary to hospital's optometry, again with mirror, and this just delays learning time again；If no Match somebody with somebody mirror in time, the harm of illness in eye has been aggravated again；If going to buy glasses to optician's shop, and it not can determine that whether glasses optical property closes It is suitable.With the development of optometric technology, requirement of the student to glasses performance also more and more higher, so the eye with different optical properties Mirror also arises at the historic moment, such as resin light-sensitive sunglasses and polaroid glasses, wears this glasses, is not only applicable myopia, and prevent ultraviolet The radiation injury of line, scenery seems soft not dazzling, plays protect eyes, but the inspection for ophthalmic len gray scale at present Equipment only has large-scale glasses manufacturer to have, and complicated, does not have then for glasses brand shop or glasses user The detection device of body.

It is well known that the gray scale of ophthalmic len refers to cut-off situation of the eyeglass to ultraviolet, also referred to as ultraviolet Uv value cutoff rate, It is the important indicator for evaluating the effective shielding of ultraviolet radiation of eyeglass, the ultraviolet wavelength blocked for resin light-sensitive glasses, polariscope Typically in the range of 315-400nm, excellent gray scale ophthalmic len can effective filter out ultraviolet, or even infrared ray（IR）, Inferior gray scale ophthalmic len, will not only improve image quality, but also can produce glare, cause resolution ratio to decline, wear The excellent glasses of gray scale, for protecting the eyes of student most important.

By retrieval, though there is the report of ophthalmic len detection means at present, such as Chinese patent CN201438142U is disclosed A kind of " spectacles lens optical resolution detection instrument ", C201867273U discloses a kind of " inspection for examining polarized lenses Case ", but have not yet to see can quickly, intuitively to glasses gray scale detection equipment suitable for basic unit optician's shop or user report Road.

The content of the invention

The purpose of this utility model is that offer one kind is simple in construction, easy to use, is exclusively used in resin light-sensitive sunglasses and inclined Quick, intuitively comparing the ophthalmic len gray scale detection instrument of optical glasses gray scale.

In order to reach object above, the technical scheme that the utility model is used is：The ophthalmic len gray scale detection instrument, including Rectangular box, case lid and hinge pin, the length of case lid and wide consistent with the length and width of rectangular box, deutostoma edge and the length of case lid The deutostoma of square box along middle part is provided with corresponding lock along being connected by hinge pin in the prosopyle of rectangular box and case lid, Handle is provided with the middle part of the roof of case lid, it is characterised in that：Diaphragm plate is provided with described rectangular box, before diaphragm plate Portion side by side standard grayscale colorimetric is pasted provided with two silver halide eyeglasses, on the diaphragm plate between two silver halide eyeglasses Bar；Diaphragm plate front and rear portions side by side provided with two groups of leg of spectacles fixed mounts；The opening's edge of described case lid is provided with shrouding, in envelope On plate position corresponding with silver halide eyeglass side by side provided with two ultraviolet lamps, it is ultraviolet after case lid is fastened with rectangular box The axis of the axis of line lamp and downward corresponding silver halide eyeglass is point-blank；Electric power storage is provided with the interlayer cavity of case lid Pond, two ultraviolet lamps are connected by wire with battery, while connecting adjustable voltage table；Described adjustable voltage table is arranged on Roof one end of case lid；Switch and voltage-regulation knob are installed again side by side with adjustable voltage table on case lid.

The utility model is also implemented by following measure：The wavelength of described ultraviolet lamp is 400nm.

A diameter of 70mm of the silver halide eyeglass.

Described standard grayscale is than gray scale colorimetric card of the vitta for country's formulation.

Described leg of spectacles fixed mount is cuboid unit of plastic, is highly 24mm, provided with perpendicular in the middle of cuboid unit of plastic Straight cutting enters the through hole of leg of spectacles, and fixing bolt is located on a side wall of cuboid unit of plastic.

The beneficial effects of the utility model are：The ophthalmic len gray scale detection instrument, simple in construction, low manufacture cost, is used It is convenient, can be under ultraviolet irradiation by the change color shade and standard gray of silver halide eyeglass to resin light-sensitive sunglasses and polaroid glasses Degree compares, you can show whether the gray scale of resin light-sensitive sunglasses and polaroid glasses meets national standard easily；It can also draw tree simultaneously The Uv values of fat chameleon glass block or polariscope, so as to judge the quality of resin chameleon glass block or polariscope.It can be widely used for learning Life is tested oneself to realization of oneself wearing glasses, it can also be used to glasses brand shop, realizes and the glasses of sale are detected in time；It can also be used for The units such as quality testing department, consumers' association can correctly differentiate true and false and quality the quality of resin light-sensitive glasses, polariscope, while being general Logical consumer's offer is a kind of intuitively to differentiate resin light-sensitive glasses, the true and false method of polariscope very much, makes resin light-sensitive glasses, polarisation Mirror really plays the purpose of protect eyes.

Brief description of the drawings

Fig. 1 is structure of the present utility model along two silver halide center of lens line office schematic cross-sectional views.

Fig. 2 is schematic top plan view when structure box cover of the present utility model deploys.

Fig. 3 is longitudinal section view enlarged diagram of one leg of spectacles fixed mount of structure of the present utility model.

Embodiment

Reference picture 1, Fig. 2, Fig. 3 make the utility model.The ophthalmic len gray scale detection instrument, including rectangular box 1, case lid 2 and hinge pin 3, the length of case lid 2 and wide consistent with the length and width of rectangular box 1, the deutostoma of case lid 2 along and rectangular box 1 Deutostoma along being connected by hinge pin 3, rectangular box 1 and case lid 2 prosopyle along middle part provided with corresponding lock 4, in case Handle 5 is provided with the middle part of the roof of lid 2, it is characterised in that：Diaphragm plate 6 is provided with described rectangular box 1, in diaphragm plate 6 It is anterior side by side standard grayscale is pasted provided with two silver halide eyeglasses 7, on the diaphragm plate 6 between two silver halide eyeglasses 7 Than vitta 8；Diaphragm plate 6 front and rear portions side by side provided with two groups of leg of spectacles fixed mounts 9；The opening's edge of described case lid 2 is provided with envelope Plate 10, on shrouding 10 with the corresponding position of silver halide eyeglass 7 side by side provided with two ultraviolet lamps 11, case lid 2 and rectangle Casing 1 fasten after, the axis of ultraviolet lamp 11 with downwards corresponding silver halide eyeglass 7 axis point-blank, make ultraviolet The center for the light direct projection silver halide eyeglass 7 that line lamp 11 is sent, makes the change color shade on silver halide eyeglass 7 be in silver halide eyeglass 7 center, and outwards expand from center；Battery 12 is provided with the interlayer cavity of case lid 2, two ultraviolet lamps 11 pass through Wire is connected with battery 12, while connecting adjustable voltage table 13, the voltage of ultraviolet lamp 11 is adjusted by adjustable voltage table 13； Described adjustable voltage table 13 is arranged on roof one end of case lid 2；Switch is installed again side by side with adjustable voltage table 13 on case lid 2 14 and voltage-regulation knob 15.

Improved as of the present utility model：The wavelength of described ultraviolet lamp 11 is 400nm, using magnificent grace purple light flashlight Camera lens make, can directly commercially.

A diameter of 70mm of the silver halide eyeglass 7, its eyeglass contains silver halide composition, and category meets the discoloration of national standard Eyeglass, can directly commercially.

Described standard grayscale is contrast gray scale than the gray scale colorimetric card that vitta 8 is formulated for country, centre, and edge is indicated Uv values corresponding with gray scale, can directly buy or be downloaded from related web site.

Described leg of spectacles fixed mount 9 is cuboid unit of plastic 91, is highly 24mm, makes the tested resin discoloration eye of placement The distance of the relative silver halide eyeglass 7 of eyeglass 16 is provided with the middle of cuboid unit of plastic 91 between 24-30mm and is inserted vertically into eye The through hole 92 of temple, fixing bolt 93 is located on a side wall of cuboid unit of plastic 91, by fixing bolt 93 by insertion Leg of spectacles is fixed, to keep the tested stabilization of resin chameleon glass block 16.

When detecting resin chameleon glass block gray scale using the utility model, tested resin chameleon glass block 16 is placed in one The upside of silver halide eyeglass 7, diaphragm plate is stretched into below 6 by its leg of spectacles, and is fixed by corresponding leg of spectacles fixed mount 9, works as button After mould assembling lid 2, tested resin chameleon glass block 16 is set to be between its corresponding silver halide eyeglass 7 and ultraviolet lamp 11；Similarly, By the normal resin chameleon glass block 17 for meeting national standard be placed in the upside of another silver halide eyeglass 7 and corresponding ultraviolet lamp 11 it Between；During detection, switch 14 is opened, the display data of adjustable voltage table 13 is adjusted to 3nV, prolonged exposure opens case after 5 seconds Lid 2, extracts tested resin chameleon glass block 16 and normal resin chameleon glass block 17, observes the gray scale of two silver halide eyeglasses 7, If the gray scale of two silver halide eyeglasses 7 is consistent, it is qualified illustrate to be tested resin chameleon glass block 16, at the same with standard grayscale ratio Vitta 8 is compared, you can learn the corresponding Uv values of its gray scale；If the gray scale of two silver halide eyeglasses 7 is inconsistent, illustrate tested Resin chameleon glass block 16 is unqualified, while being compared with standard grayscale than vitta 8, you can learn the corresponding standard grayscale of its gray scale Uv values than vitta 8 are a few percents；Using same method, the gray scale and Uv values of polariscope can detect；Also can be in a halogen Resin light-sensitive glasses are placed in the upside for changing silver mirror piece 7, polariscope are placed in the upside of another silver halide eyeglass 7, while and standard Gray scale is compared than vitta 8, you can while detecting two kinds of eyeglasses.Its operation principle is：The silver halide of silver halide eyeglass 7 is by ultraviolet Irradiation discoloration, silver ion reduction is silver atoms, and some silver atoms are gathered into colloid and eyeglass is shown gray scale；When passing through ophthalmic len Block after ultraviolet irradiation, silver atoms, which become silver ion, makes ophthalmic len fade, you can determine ophthalmic len gray scale.Because in the market is sold Glasses inferior and Precision Machining not being carried out and examines qualified glasses of poor quality more, eye then can simply be recognized by such a detection Eyeglass whether there is the power of anti-ultraviolet function and anti-anti-ultraviolet function.

Claims (5)

1. ophthalmic len gray scale detection instrument, including rectangular box（1）, case lid（2）And hinge pin（3）, case lid（2）Length and it is wide with Rectangular box（1）Length it is consistent with width, case lid（2）Deutostoma along and rectangular box（1）Deutostoma along passing through hinge pin（3） Connection, in rectangular box（1）And case lid（2）Prosopyle along middle part be provided with corresponding lock（4）, in case lid（2）Roof in Portion is provided with handle（5）, it is characterised in that：Described rectangular box（1）It is interior to be provided with diaphragm plate（6）, in diaphragm plate（6）Front portion Side by side provided with two silver halide eyeglasses（7）, in two silver halide eyeglasses（7）Between diaphragm plate（6）Standard gray in upper stickup Degree compares vitta（8）；In diaphragm plate（6）Front and rear portions side by side provided with two groups of leg of spectacles fixed mounts（9）；Described case lid（2）'s Opening's edge is provided with shrouding（10）, shrouding（10）Front portion with silver halide eyeglass（7）Corresponding position is provided with two ultraviolet lamps（11）, Case lid（2）With rectangular box（1）After fastening, ultraviolet lamp（11）Axis and downwards corresponding silver halide eyeglass（7）Axle Line is point-blank；In case lid（2）Interlayer cavity in be provided with battery（12）, two ultraviolet lamps（11）By wire with storing Battery（12）Connection, while connecting adjustable voltage table（13）；Described adjustable voltage table（13）Installed in case lid（2）Roof one End；In case lid（2）Upper and adjustable voltage table（13）Switch is installed again side by side（14）With voltage-regulation knob（15）.

2. ophthalmic len gray scale detection instrument according to claim 1, it is characterised in that：Described ultraviolet lamp（11）Wavelength For 400nm.

3. ophthalmic len gray scale detection instrument according to claim 1, it is characterised in that：The silver halide eyeglass（7）Diameter For 70mm, its eyeglass contains silver halide composition, and category meets the color-changing lens of national standard.

4. ophthalmic len gray scale detection instrument according to claim 1, it is characterised in that：Described standard grayscale compares vitta（8） The gray scale colorimetric card formulated for country, centre is contrast gray scale, and edge indicates Uv values corresponding with gray scale.

5. ophthalmic len gray scale detection instrument according to claim 1, it is characterised in that：Described leg of spectacles fixed mount（9）For Cuboid unit of plastic（91）, it is highly 24mm, in cuboid unit of plastic（91）Centre is provided with the through hole for being inserted vertically into leg of spectacles （92）, fixing bolt（93）It is located at cuboid unit of plastic（91）A side wall on.