CN203464906U

CN203464906U - Lens center thickness optical detection instrument light path

Info

Publication number: CN203464906U
Application number: CN201320054446.3U
Authority: CN
Inventors: 覃亚; 肖顺东
Original assignee: Foshan City Bei Chuan Electro-Optical Technology Inc (us) 62 Martin Road Concord Massachusetts 017
Current assignee: Guangdong Beichuang Optoelectronics Technology Co ltd
Priority date: 2013-01-30
Filing date: 2013-01-30
Publication date: 2014-03-05
Anticipated expiration: 2023-01-30

Abstract

The utility model discloses a lens center thickness optical detection instrument light path. The lens center thickness optical detection instrument light path includes a light splitting device and an optical probe, wherein the light splitting device is arranged above the optical probe; the optical probe comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are arranged sequentially from up to bottom; the center lines of each lens of the optical probe coincide; the first lens, the second lens and the third lens are convex lenses; the fourth lens and the sixth lens are arc lenses; the arc lenses protrudes upwards; the fifth lens is a concave lens; the center thickness of each lens of the optical probe is 7+/-0.02 mm; one side of the third lens, which backs the light splitting device, is a plane; and each lens of the optical probe is made of number S-LAH60 optical glass. According to the lens center thickness optical detection instrument light path of the utility model, light reflection can be simply and fast formed at two surfaces at the center of a lens to be measured through optical principles, and the thickness of the lens to be measured can be calculated according to the light reflection.

Description

Center of lens thickness optical detector light path

Technical field

The utility model relates to optical mirror slip thickness optical gauge light path, particularly a kind of center of lens thickness optical detector light path.

Background technology

At present, along with scientific and technological development, people improve gradually to the requirement of various products, all the more so in optical instrument, in optical mirror slip production run, the quality that how to improve eyeglass is the important topic in optical mirror slip manufacture now, efficient now, in high-quality detection method, utilizing optical instrument to detect is important detection means, and light path is ingredient very important in detecting instrument, how to make optical mirror slip to be measured focus on fast when detecting, how to get rid of light outside the detection of optical mirror slip to be measured reflection etc., it is all the important evaluation criteria of weighing light path quality.

Utility model content

The purpose of this utility model is to provide a kind of center of lens thickness optical detector light path.

According to an aspect of the present utility model, a kind of center of lens thickness optical detector light path is provided, comprise light-dividing device and optic probe, light-dividing device is located at optic probe top, and optic probe comprises the first eyeglass being arranged in order from top to bottom, the second eyeglass, the 3rd eyeglass, the 4th eyeglass, the 5th eyeglass, the 6th eyeglass, the center line of each eyeglass of optic probe overlaps, the first eyeglass, the second eyeglass and the 3rd eyeglass are convex lens, the 4th eyeglass and the 6th eyeglass are Arc lens, the radian of Arc lens raises up, the 5th eyeglass is concavees lens, the center thickness of each eyeglass of optic probe is 7 ± 0.02mm, light-dividing device and first mirror distance between commutator segments are 195 ± 0.02mm, and each eyeglass spacing of optic probe is followed successively by 6.50 ± 0.02mm from top to bottom, 0.41 ± 0.02mm, 1.04 ± 0.02mm, 2.87 ± 0.02mm, 1.09 ± 0.02mm, each eyeglass of lens set is followed successively by 347.5 ± 0.02mm at the surperficial radius of the radian of light-dividing device one side, 974.76 ± 0.02mm, 347.5 ± 0.02mm, 125.14 ± 0.02mm, 634.32 ± 0.02mm, 105.37 ± 0.02mm, the 3rd eyeglass dorsad light-dividing device one side is plane, the first eyeglass, the second eyeglass, the 4th eyeglass, the 5th eyeglass, one side of light-dividing device dorsad of the 6th eyeglass surperficial radius of the radian be followed successively by 347.5 ± 0.02mm, 347.5 ± 0.02mm, 226.43 ± 0.02mm, 175.25 ± 0.02mm, the material of each eyeglass of optic probe is all S-LAH60 optical glass.Thus, make the light being sent by light source can form larger dispersion defocusing amount, conveniently find the center of eyeglass to be measured.

In some embodiments, light-dividing device is provided with a plurality of light-emitting windows, and thus, dispersion area is wider, more easily finds the center of eyeglass to be measured, and measurement effect is more stable.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model center of lens thickness optical detector light path;

Fig. 2 is the light path of light schematic diagram of the utility model center of lens thickness optical detector light path.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 has schematically shown a kind of embodiment of the utility model center of lens thickness optical detector light channel structure, light path of light when Fig. 2 has schematically shown the work of the utility model center of lens thickness optical detector light path.

As depicted in figs. 1 and 2, center of lens thickness optical detector light path, comprise light-dividing device 1 and optic probe 2, generally light-dividing device 1 and optic probe 2 are located in a sleeve 3, and sleeve 3 is vertically to place, light-dividing device 1 is located at optic probe 2 tops, and light-dividing device 1 is connected by optical fiber with light source 4, and wherein light source is for stable, broad spectrum light source, optional light source can be white LED lamp and halogen tungsten light source etc., optic probe 2 comprises the first eyeglass 21 being arranged in order from top to bottom, the second eyeglass 22, the 3rd eyeglass 23, the 4th eyeglass 24, the 5th eyeglass 25, the 6th eyeglass 26, the center line of each eyeglass of optic probe 2 overlaps, the first eyeglass 21, the second eyeglass 22 and the 3rd eyeglass 23 are convex lens, the 4th eyeglass 24 and the 6th eyeglass 26 are Arc lens, the radian of Arc lens raises up, the 5th eyeglass 25 is concavees lens, the center thickness of optic probe 2 each eyeglasses is 7mm, light-dividing device 1 and the first eyeglass 21 spacings are 195mm, and optic probe 2 each eyeglass spacings are followed successively by 6.50mm from top to bottom, 0.41mm, 1.04mm, 2.87mm, 1.09mm, each eyeglass of lens set is followed successively by 347.5mm at the surperficial radius of the radian of light-dividing device 1 one sides, 974.76mm, 347.5mm, 125.14mm, 634.32mm, 105.37mm, the 3rd eyeglass 23 dorsad light-dividing device 1 one sides is plane, the first eyeglass 21, the second eyeglass 22, the 4th eyeglass 24, the 5th eyeglass 25, 1 one sides of light-dividing device dorsad of the 6th eyeglass 26 surperficial radius of the radian be followed successively by 347.5mm, 347.5mm, 226.43mm, 175.25mm, the light of light source 4 is irradiated to optic probe 2 by light-dividing device 1, refraction at each eyeglass through optic probe 2 forms the larger larger dispersion defocusing amount of formation, upper and lower surface just forms autocollimation to two kinds of different color lights, therefore the luminous energy reflecting back enters light-dividing device 1 completely, other coloured light forms at optic probe 2 places the disc of confusion that is greater than light-dividing device 1, and after reflecting back, instrumental analysis is calculated and just can be calculated the center thickness of eyeglass to be measured by analysis.

The numerical value change scope of above data at-0.02mm between+0.02mm.

Each eyeglass of optic probe 2 is S-LAH60 optical glass, and the cost of the optic probe 2 that optical glass of the same race is manufactured is lower.

Light-dividing device 1 is provided with a plurality of light-emitting windows and can improves the light covering to eyeglass to be measured, the thickness of measuring eyeglass to be measured that can be more quick and easy, stable in addition.

Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims

1. center of lens thickness optical detector light path, wherein, comprises light-dividing device and optic probe, and described light-dividing device is located at optic probe top, and described optic probe comprises the first eyeglass being arranged in order from top to bottom, the second eyeglass, the 3rd eyeglass, the 4th eyeglass, the 5th eyeglass, the 6th eyeglass, the center line of described each eyeglass of optic probe overlaps, described the first eyeglass, the second eyeglass and the 3rd eyeglass are convex lens, described the 4th eyeglass and the 6th eyeglass are Arc lens, the radian of described Arc lens raises up, described the 5th eyeglass is concavees lens, the center thickness of described each eyeglass of optic probe is 7 ± 0.02mm, described light-dividing device and first mirror distance between commutator segments are 195 ± 0.02mm, and each eyeglass spacing of described optic probe is followed successively by 6.50 ± 0.02mm from top to bottom, 0.41 ± 0.02mm, 1.04 ± 0.02mm, 2.87 ± 0.02mm, 1.09 ± 0.02mm, each eyeglass of described lens set is followed successively by 347.5 ± 0.02mm at the surperficial radius of the radian of light-dividing device one side, 974.76 ± 0.02mm, 347.5 ± 0.02mm, 125.14 ± 0.02mm, 634.32 ± 0.02mm, 105.37 ± 0.02mm, described the 3rd eyeglass dorsad light-dividing device one side is plane, described the first eyeglass, the second eyeglass, the 4th eyeglass, the 5th eyeglass, the surperficial radius of the radian of one side of light-dividing device dorsad of the 6th eyeglass is followed successively by 347.5 ± 0.02mm, 347.5 ± 0.02mm, 226.43 ± 0.02mm, 175.25 ± 0.02mm, each eyeglass of described optic probe is S-LAH60 optical glass.

2. center of lens thickness optical detector light path according to claim 1, wherein, described light-dividing device is provided with a plurality of light-emitting windows.