CN214122542U - 12-time fixed-focus industrial lens - Google Patents
12-time fixed-focus industrial lens Download PDFInfo
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- CN214122542U CN214122542U CN202120391053.6U CN202120391053U CN214122542U CN 214122542 U CN214122542 U CN 214122542U CN 202120391053 U CN202120391053 U CN 202120391053U CN 214122542 U CN214122542 U CN 214122542U
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Abstract
The utility model belongs to the field of industrial cameras, in particular to an industrial lens with 12 times fixed focus, which comprises a first shell, the outer surface of the first shell is provided with optical fibers, one end in the first shell is provided with a first lens group, one end part of the first shell close to the first lens group is provided with a diffusion plate, through setting up first casing, be equipped with optic fibre on the first casing surface, one end in the first casing is equipped with first group of mirror, a tip that first casing is close to first group of mirror is equipped with the diffuser plate, optic fibre is connected with the diffuser plate, the other end in the first casing is equipped with second group of mirror, first group of mirror is organized and is equipped with the third group of mirror between the second group of mirror, the third group of mirror includes the tenth lens, eleventh lens and twelfth lens, the fourth group of mirror includes thirteenth lens and fourteenth lens, be favorable to miniaturizing product overall dimension, compact structure, the even staff of shining on the object of light-emitting maintains with being convenient for.
Description
Technical Field
The utility model belongs to the industrial camera field, in particular to 12 times industrial lens of tight.
Background
At present, a microscope objective lens on the market needs to be matched with a light source assembly for use, the microscope objective lens and the light source assembly can be used for two products to be separately used, so that the product structure is not compact, and when the microscope objective lens and the light source assembly are equipment, the microscope objective lens and the light source assembly need other mechanical structures due to the diversity of the matched products of the light source assembly; the product can not be miniaturized, and the use of multiple environments is considered during the design of the light source product, so the problem of relatively matching the redundant performance structure of the product exists.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problems in the prior art, the utility model provides a compact structure and the even 12 times industrial lens of tight burnt of light source light-emitting.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
an industrial lens with 12 times of fixed focus comprises a first shell, wherein an optical fiber is arranged on the outer surface of the first shell, a first lens group is arranged at one end in the first shell, a diffusion plate is arranged at one end part of the first shell close to the first lens group, the optical fiber is connected with the diffusion plate, the other end in the first shell is provided with a second lens group, a third lens group is arranged between the first lens group and the second lens group, a fourth lens group is arranged between the third lens group and the second lens group, the first lens group comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are arranged from left to right in sequence, the second lens group package is provided with a sixth lens, a seventh lens, an eighth lens and a ninth lens from left to right in sequence, the third lens group comprises a tenth lens, an eleventh lens and a twelfth lens, and the fourth lens group comprises a thirteenth lens and a fourteenth lens.
In the industrial lens with 12 times fixed focus, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are made of lens materials.
In the industrial lens with 12 times fixed focus, the curvature radii R1 and R2 of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are respectively:
a first lens: r1-11.923 mm, R2-63.148 mm;
a second lens: r1-17.006 mm, R2-32.428 mm;
a third lens: r1-24.571 mm, R2-53.550 mm;
a fourth lens: r1-35.622 mm, R2-81.776 mm;
a fifth lens: r1-159.25 mm, R2-64.7 mm;
a sixth lens: r1 ═ 21.88mm, R2 ═ 7.645 mm;
a seventh lens: r1 ═ 11.85mm, R2 ═ -21.88 mm;
an eighth lens: r1 ═ 6.5mm, R2 ═ -10.42 mm;
a ninth lens: r1 ═ 26.34mm, R2 ═ 6.5 mm;
a tenth lens: r1 ═ 26.6mm, R2 ═ -28.733 mm;
an eleventh lens: r1-24.066 mm, R2-26.6 mm;
a twelfth lens: r1 ═ 40.15mm, R2 ═ 27.566 mm;
a thirteenth lens: r1 ═ 23.8mm, R2 ═ 21.059 mm;
a fourteenth lens: r1-7.393 mm, R2-23.8 mm.
In the industrial lens with 12 times fixed focus, the first lens, the second lens, the third lens and the third lensThe thicknesses d of the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are respectively as follows: a first lens: d is 3.0 +/-0.015 mm; a second lens: d is 2.2 +/-0.015 mm; a third lens:
a fourth lens:
a fifth lens:
a sixth lens: d is 2.89 plus or minus 0.02 mm; a seventh lens, d is 1.0 plus or minus 0.02 mm; an eighth lens: d is 1.0 plus or minus 0.02 mm; a ninth lens: d is 1.66 plus or minus 0.02; a tenth lens:
an eleventh lens:
a twelfth lens: d is 2.45 plus or minus 0.02 mm; a thirteenth lens:
a fourteenth lens:
in the above 12-fold fixed-focus industrial lens, the effective clear apertures D0 of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are respectively: a first lens: d0 is 12.19-13.21 mm; a second lens: d0 is 13.97-14.66 mm; a third lens: d0 is 15.10-15.54 mm; a fourth lens: d0 is 15.73-16.00 mm; a fifth lens: d0 is 16.16-16.17 mm; a sixth lens: d0 is 5.22-6.07 mm; a seventh lens: d0 is 4.74-5.22 mm; an eighth lens: d0 is 4.74-4.83 mm; a ninth lens: d0 is 4.79-4.83 mm; a tenth lens: d0 is 11.45-11.69 mm; an eleventh lens: d0 is 11.69-12.08 mm; a twelfth lens: d0 is 12.44-12.47 mm; a thirteenth lens: d0 is 6.69-7.24 mm; a fourteenth lens: d0 is 6.27-6.96 mm.
In the industrial lens with 12 times fixed focus, outer diameters D of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are respectively as follows: a first lens: d is 14.5 mm; a second lens: d is 16 mm; a third lens: d is 17 mm; a fourth lens: d is 17 mm; a fifth lens: d is 17.4 mm; a sixth lens: d is 7.4 mm; a seventh lens: d is 7.5 mm; an eighth lens: d is 5.9 mm; a ninth lens: d is 6 mm; a tenth lens: d is 13.5 mm; an eleventh lens: d is 13.4 mm; a twelfth lens: d is 13.5 mm; a thirteenth lens: d is 8.4 mm; a fourteenth lens: d is 8.5 mm.
In the 12-time fixed-focus industrial lens, the distance between the first lens group and the third lens group is 24mm, the distance between the third lens group and the fourth lens group is 45mm, the distance between the fourth lens group and the second lens group is 4mm, and the distance between the second lens group and the end part of the other end of the first shell is 27 mm.
In the 12-time fixed-focus industrial lens, the outer surface of the first shell is provided with a plurality of grooves and heat-shrinkable sleeves, the optical fibers are arranged in the grooves, and the heat-shrinkable sleeves are sleeved on the first shell.
In the industrial lens with 12 times of fixed focus, the first shell is further provided with an optical fiber cover plate, and the optical fiber cover plate is connected with one end of the first shell.
In the industrial lens with 12 times fixed focus, the first shell includes a first lens barrel, a second lens barrel and a third lens barrel, the first lens group is disposed in the first lens barrel, the third lens group is disposed in the second lens barrel, and the second lens group and the fourth lens group are disposed in the third lens barrel.
(III) advantageous effects
The utility model has the advantages that: by arranging a first shell, optical fibers are arranged on the outer surface of the first shell, a first lens group is arranged at one end in the first shell, a diffusion plate is arranged at one end part of the first shell, which is close to the first lens group, the optical fibers are connected with the diffusion plate, a second lens group is arranged at the other end in the first shell, a third lens group is arranged between the first lens group and the second lens group, a fourth lens group is arranged between the third lens group and the second lens group, the first lens group comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged from left to right, the second lens group comprises a sixth lens which is sequentially arranged from left to right, seventh lens, eighth lens and ninth lens, the third mirror group includes tenth lens, eleventh lens and twelfth lens, and the fourth mirror group includes thirteenth lens and fourteenth lens, is favorable to miniaturizing product overall dimension, compact structure, and the even shining of light-emitting is on the object and the staff of being convenient for maintains.
Drawings
Fig. 1 is a schematic structural diagram of a 12-time fixed-focus industrial lens according to the present invention;
fig. 2 is a cross-sectional view of the 12-time fixed-focus industrial lens of the present invention;
fig. 3 is a schematic view of the structure of the lens group of the 12-time fixed-focus industrial lens of the present invention.
[ description of reference ]
1: a first housing;
2: an optical fiber;
3: a first lens group;
4: a diffusion plate;
5: a second lens group;
6: a third lens group;
7: a fourth lens group;
8: a first lens;
9: a second lens;
10: a third lens;
11: a fourth lens;
12: a fifth lens;
13: a sixth lens;
14: a seventh lens;
15: an eighth lens;
16: a ninth lens;
17: a tenth lens;
18: an eleventh lens;
19: a twelfth lens;
20: a thirteenth lens;
21: a fourteenth lens;
22: a plurality of grooves;
23: an optical fiber cover plate;
24: a first barrel;
25: a second barrel;
26: a third barrel;
27: and (4) heat-shrinkable tubing.
Detailed Description
For better explanation of the present invention, the following detailed description of the present invention will be made with reference to the accompanying drawings for the purpose of understanding.
The utility model discloses the most crucial design lies in: through setting up first casing, be equipped with optic fibre on the first casing surface, one end in the first casing is equipped with first group of lens, one end that first casing is close to first group of lens is equipped with the diffuser plate, optic fibre is connected with the diffuser plate, the other end in the first casing is equipped with second group of lens, be equipped with third group of lens between first group of lens and the second group of lens, be equipped with fourth group of lens between third group of lens and the second group of lens, first group of lens is including being equipped with first lens from a left side to the right side in proper order, the second lens, the third lens, fourth lens and fifth lens, second group of lens package is equipped with sixth lens from a left side to the right side in proper order, the seventh lens, eighth lens and ninth lens, third group of lens includes the tenth lens, eleventh lens and twelfth lens, fourth group includes thirteenth lens and fourteenth lens.
Referring to fig. 1 to 3, an industrial lens with 12 times fixed focus,
including first casing, be equipped with optic fibre on the first casing surface, one end in the first casing is equipped with first mirror group, a tip that first casing is close to first mirror group is equipped with the diffuser plate, optic fibre is connected with the diffuser plate, the other end in the first casing is equipped with second mirror group, be equipped with third mirror group between first mirror group and the second mirror group, be equipped with fourth mirror group between third mirror group and the second mirror group, first mirror group is including being equipped with first lens, second lens, third lens, fourth lens and fifth lens from a left side to the right side in proper order, second mirror group package is equipped with sixth lens, seventh lens, eighth lens and ninth lens from a left side to the right side in proper order, third mirror group is including tenth lens, eleventh lens and twelfth lens, fourth mirror group is including thirteenth lens and fourteenth lens.
12 times industrial lens's that focuses working principle: first casing is connected with external device's coupling mechanism, and the moving mechanism of equipment removes first casing and detects object the place ahead, and the diffuse reflection takes place for the light irradiation of optic fibre conduction light on the diffuser plate, and the even place ahead object that shines of light for in having sufficient light entering first casing, obtain clear image on the sensor.
From the above description, the beneficial effects of the present invention are: by arranging a first shell, optical fibers are arranged on the outer surface of the first shell, a first lens group is arranged at one end in the first shell, a diffusion plate is arranged at one end part of the first shell, which is close to the first lens group, the optical fibers are connected with the diffusion plate, a second lens group is arranged at the other end in the first shell, a third lens group is arranged between the first lens group and the second lens group, a fourth lens group is arranged between the third lens group and the second lens group, the first lens group comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged from left to right, the second lens group comprises a sixth lens which is sequentially arranged from left to right, seventh lens, eighth lens and ninth lens, the third mirror group includes tenth lens, eleventh lens and twelfth lens, and the fourth mirror group includes thirteenth lens and fourteenth lens, is favorable to miniaturizing product overall dimension, compact structure, and the even shining of light-emitting is on the object and the staff of being convenient for maintains.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is:
the utility model provides an industrial camera lens of 12 times tight, includes first casing 1, be equipped with optic fibre 2 on the first casing 1 surface, one end in the first casing 1 is equipped with first mirror group 3, a tip that first casing 1 is close to first mirror group 3 is equipped with diffuser plate 4, optic fibre 2 is connected with diffuser plate 4, other end in the first casing 1 is equipped with second mirror group 5, be equipped with third mirror group 6 between first mirror group 3 and the second mirror group 5, be equipped with fourth mirror group 7 between third mirror group 6 and the second mirror group 5, first mirror group 3 includes from a left side to a right side and is equipped with first lens 8 in proper order, second lens 9, third lens 10, fourth lens 11 and fifth lens 12, second mirror group 5 package is equipped with sixth lens 13, seventh lens 14, eighth lens 15 and ninth lens 16 in proper order to a right side, third mirror group 6 includes tenth lens 17, from a left side to a left side, Eleventh lens element 18 and twelfth lens element 19, said fourth lens group 7 comprising thirteenth lens element 20 and fourteenth lens element 21.
The first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 are made of lens materials, such as FCD515, FCD100 and FDS16-W, FDS 1.
The first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 are made of lens materials, so that the use performance and the service life of the lenses are improved.
The first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 have radii of curvature R1 and R2 respectively:
first lens 8: r1-11.923 mm, R2-63.148 mm;
second lens 9: r1-17.006 mm, R2-32.428 mm;
third lens 10: r1-24.571 mm, R2-53.550 mm;
fourth lens 11: r1-35.622 mm, R2-81.776 mm;
fifth lens 12: r1-159.25 mm, R2-64.7 mm;
sixth lens 13: r1 ═ 21.88mm, R2 ═ 7.645 mm;
seventh lens 14: r1 ═ 11.85mm, R2 ═ -21.88 mm;
eighth lens 15: r1 ═ 6.5mm, R2 ═ -10.42 mm;
ninth lens 16: r1 ═ 26.34mm, R2 ═ 6.5 mm;
tenth lens 17: r1 ═ 26.6mm, R2 ═ -28.733 mm;
eleventh lens 18: r1-24.066 mm, R2-26.6 mm;
twelfth lens 19: r1 ═ 40.15mm, R2 ═ 27.566 mm;
a thirteenth lens 20: r1 ═ 23.8mm, R2 ═ 21.059 mm;
fourteenth lens 21: r1-7.393 mm, R2-23.8 mm.
The radii of curvature R1 and R2 of the first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20, and the fourteenth lens 21 are respectively:
first lens 8: r1-11.923 mm, R2-63.148 mm;
second lens 9: r1-17.006 mm, R2-32.428 mm;
third lens 10: r1-24.571 mm, R2-53.550 mm;
fourth lens 11: r1-35.622 mm, R2-81.776 mm;
fifth lens 12: r1-159.25 mm, R2-64.7 mm;
sixth lens 13: r1 ═ 21.88mm, R2 ═ 7.645 mm;
seventh lens 14: r1 ═ 11.85mm, R2 ═ -21.88 mm;
eighth lens 15: r1 ═ 6.5mm, R2 ═ -10.42 mm;
ninth lens 16: r1 ═ 26.34mm, R2 ═ 6.5 mm;
tenth lens 17: r1 ═ 26.6mm, R2 ═ -28.733 mm;
eleventh lens 18: r1-24.066 mm, R2-26.6 mm;
twelfth lens 19: r1 ═ 40.15mm, R2 ═ 27.566 mm;
a thirteenth lens 20: r1 ═ 23.8mm, R2 ═ 21.059 mm;
fourteenth lens 21: r1 ═ 7.393mm, R2 ═ -23.8 mm;
the imaging effect of the lens is improved.
The thicknesses d of the first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 are respectively: first lens 8: d is 3.0 +/-0.015 mm; second lens 9: d is 2.2 +/-0.015 mm; third lens 10:
fourth lens 11:
fifth lens 12:
sixth lens 13: d is 2.89 plus or minus 0.02 mm; a seventh lens 14, d is 1.0 plus or minus 0.02 mm; eighth lens 15: d is 1.0 plus or minus 0.02 mm; ninth lens 16: d is 1.66 plus or minus 0.02; tenth lens 17:
eleventh lens 18:
twelfth lens 19: d is 2.45 plus or minus 0.02 mm; a thirteenth lens 20:
fourteenth lens 21:
the thickness d of the first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 is: first lens 8: d is 3.0 +/-0.015 mm; second lens 9: d is 2.2 +/-0.015 mm; third lens 10:
fourth lens 11:
fifth lens 12:
sixth lens 13: d is 2.89 plus or minus 0.02 mm; a seventh lens 14, d is 1.0 plus or minus 0.02 mm; eighth lens 15: d is 1.0 plus or minus 0.02 mm; ninth lens 16: d is 1.66 plus or minus 0.02; tenth lens 17:
eleventh lens 18:
twelfth lens 19: d is 2.45 plus or minus 0.02 mm; a thirteenth lens 20:
fourteenth lens 21:
is favorable for improving the service performance of the lens.
The effective clear apertures D0 of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth and fourteenth lenses 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 and 21 are respectively: first lens 8: d0 is 12.19-13.21 mm; second lens 9: d0 is 13.97-14.66 mm; third lens 10: d0 is 15.10-15.54 mm; fourth lens 11: d0 is 15.73-16.00 mm; fifth lens 12: d0 is 16.16-16.17 mm; sixth lens 13: d0 is 5.22-6.07 mm; seventh lens 14: d0 is 4.74-5.22 mm; eighth lens 15: d0 is 4.74-4.83 mm; ninth lens 16: d0 is 4.79-4.83 mm; tenth lens 17: d0 is 11.45-11.69 mm; eleventh lens 18: d0 is 11.69-12.08 mm; twelfth lens 19: d0 is 12.44-12.47 mm; a thirteenth lens 20: d0 is 6.69-7.24 mm; fourteenth lens 21: d0 is 6.27-6.96 mm.
The effective clear aperture D0 through the first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20, and the fourteenth lens 21 is: first lens 8: d0 is 12.19-13.21 mm; second lens 9: d0 is 13.97-14.66 mm; third lens 10: d0 is 15.10-15.54 mm; fourth lens 11: d0 is 15.73-16.00 mm; fifth lens 12: d0 is 16.16-16.17 mm; sixth lens 13: d0 is 5.22-6.07 mm; seventh lens 14: d0 is 4.74-5.22 mm; eighth lens 15: d0 is 4.74-4.83 mm; ninth lens 16: d0 is 4.79-4.83 mm; tenth lens 17: d0 is 11.45-11.69 mm; eleventh lens 18: d0 is 11.69-12.08 mm; twelfth lens 19: d0 is 12.44-12.47 mm; a thirteenth lens 20: d0 is 6.69-7.24 mm; fourteenth lens 21: d0 is 6.27-6.96 mm, is favorable to reaching the best formation of image effect.
The outer diameters D of the first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 are respectively: first lens 8: d is 14.5 mm; second lens 9: d is 16 mm; third lens 10: d is 17 mm; fourth lens 11: d is 17 mm; fifth lens 12: d is 17.4 mm; sixth lens 13: d is 7.4 mm; seventh lens 14: d is 7.5 mm; eighth lens 15: d is 5.9 mm; ninth lens 16: d is 6 mm; tenth lens 17: d is 13.5 mm; eleventh lens 18: d is 13.4 mm; twelfth lens 19: d is 13.5 mm; a thirteenth lens 20: d is 8.4 mm; fourteenth lens 21: d is 8.5 mm.
The outer diameters D of the first lens 8, the second lens 9, the third lens 10, the fourth lens 11, the fifth lens 12, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the tenth lens 17, the eleventh lens 18, the twelfth lens 19, the thirteenth lens 20 and the fourteenth lens 21 are respectively: first lens 8: d is 14.5 mm; second lens 9: d is 16 mm; third lens 10: d is 17 mm; fourth lens 11: d is 17 mm; fifth lens 12: d is 17.4 mm; sixth lens 13: d is 7.4 mm; seventh lens 14: d is 7.5 mm; eighth lens 15: d is 5.9 mm; ninth lens 16: d is 6 mm; tenth lens 17: d is 13.5 mm; eleventh lens 18: d is 13.4 mm; twelfth lens 19: d is 13.5 mm; a thirteenth lens 20: d is 8.4 mm; fourteenth lens 21: d is 8.5mm, which is beneficial to reducing the volume of the lens, thereby achieving the effect of reducing the volume of the device.
The interval between the first lens group 3 and the third lens group 6 is 24mm, the interval between the third lens group 6 and the fourth lens group 7 is 45mm, the interval between the fourth lens group 7 and the second lens group 5 is 4mm, and the interval between the second lens group 5 and the end part of the other end of the first shell 1 is 27 mm.
The interval through first mirror group 3 and third mirror group 6 is 24mm, the interval of third mirror group 6 and fourth mirror group 7 is 45mm, the interval of fourth mirror group 7 and second mirror group 5 is 4mm, the interval of the other end tip of second mirror group 5 and first casing 1 is 27mm, is favorable to further reducing the volume of device.
The outer surface of the first shell 1 is provided with a plurality of grooves 22 and a heat-shrinkable tube 27, the optical fiber 2 is arranged in the grooves 22, and the heat-shrinkable tube 27 is sleeved on the first shell 1.
Through being equipped with a plurality of recesses 22 and heat shrink 27 on the surface of first casing 1, optic fibre 2 sets up in a plurality of recesses 22, heat shrink 27 covers is located on first casing 1, is favorable to improving optic fibre 2 connection structure's stability.
The first housing 1 is further provided with an optical fiber cover plate 223, and the optical fiber cover plate 23 is connected with one end of the first housing 1.
By further arranging the optical fiber cover plate 23 on the first housing 1, the optical fiber cover plate 23 is connected with one end of the first housing 1, which is beneficial to further improving the stability of the device structure.
The first casing 1 includes a first lens barrel 24, a second lens barrel 25 and a third lens barrel 26, the first lens group 3 is disposed in the first lens barrel 24, the third lens group 6 is disposed in the second lens barrel 25, and the second lens group 5 and the fourth lens group 7 are disposed in the third lens barrel 26.
The first casing 1 comprises a first lens cone 24, a second lens cone 25 and a third lens cone 26, the first lens group 3 is arranged in the first lens cone 24, the third lens group 6 is arranged in the second lens cone 25, and the second lens group 5 and the fourth lens group 7 are arranged in the third lens cone 26, so that the device is convenient for workers to disassemble and maintain.
The diffusion plate 4 is in clearance fit with the optical fiber cover plate 23, the diffusion plate is fixed on the optical fiber cover plate 23 by glue, a plurality of optical fibers 2 are embedded into a plurality of grooves 22 on the side surface of the first shell 1, the front ends of the optical fibers 2 are fixed by the optical fiber cover plate 23 after moving to the position meeting the diffusion plate 4, the optical fiber cover plate 23 is in threaded fit with one end part of the first shell 1, and then the optical fibers 2 are elastically matched and fixed among the first lens cone 24, the second lens cone 25 and the third lens cone 26 by using heat-shrinkable sleeves 27;
In the second lens barrel 25, the tenth lens 17, the eleventh lens 18, the twelfth lens 19 and the second lens barrel 25 are in clearance fit, spacing rings are used for ensuring the spacing between the lenses, the spacing rings and the second lens barrel 25 are also in clearance fit, and finally a pressing ring and the second lens barrel 25 are in threaded fit to lock the lenses and the spacing rings.
In the third lens barrel 26, the sixth lens 13, the seventh lens 14, the eighth lens 15, the ninth lens 16, the thirteenth lens 20 and the fourteenth lens 21 are in clearance fit with the third lens barrel 26, and the sixth lens 13, the seventh lens 14, the eighth lens 15 and the ninth lens 16 are used at intervals, so that the lens structure is ensured, a space ring is adopted between the second lens group 5 and the fourth lens group 7 to ensure the air space, the space ring is in clearance fit with the third lens barrel 26, finally, a pressing ring is used to be in threaded fit with the third lens barrel 26, the lenses and the space ring are locked, and the third lens barrel 26 is fixed on the second lens barrel 25 in threaded fit;
the first lens cone 24, the second lens cone 25 and the third lens cone 26 are in clearance fit, the two lens cones are locked by four cross screws, and finally, glue is used for reinforcement;
and a connecting seat can be further arranged, and the second lens cone 25 and the connecting seat are in threaded fit and clearance fit and are fixed by using 3 set screws.
The object distance between the first shell 1 and the detected object is 10mm, the intervals between the first lens 8, the second lens 9, the third lens 10, the fourth lens 11 and the fifth lens 12 are 0.1mm, the sixth lens 13 is attached to the seventh lens 14, the eighth lens 15 is attached to the ninth lens 16, the interval between the seventh lens 14 and the eighth lens 15 is 0.51mm, the tenth lens 17 is attached to the eleventh lens 18, the interval between the eleventh lens 18 and the twelfth lens 19 is 0.1mm, the thirteenth lens 20 is attached to the fourteenth lens 21, and the sensor can adopt a CCD type sensor for receiving light and converting an optical signal into an electrical signal.
In summary, the utility model provides a 12-fold fixed-focus industrial lens, which comprises a first shell, an optical fiber arranged on the outer surface of the first shell, a first lens group arranged at one end of the first shell, a diffusion plate arranged at one end of the first shell near the first lens group, a second lens group arranged at the other end of the first shell, a third lens group arranged between the first lens group and the second lens group, a fourth lens group arranged between the third lens group and the second lens group, the first lens group comprising a first lens, a second lens, a third lens, a fourth lens and a fifth lens arranged from left to right, the second lens group comprising a sixth lens, a seventh lens, an eighth lens and a ninth lens arranged from left to right, the third lens comprising a tenth lens, an eleventh lens and a twelfth lens, the fourth lens comprising a thirteenth lens and a fourteenth lens, the LED lamp is beneficial to miniaturization of the overall dimension of a product, compact in structure, uniform in light emission, capable of irradiating an object and convenient for maintenance of workers.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. An industrial lens with 12 times fixed focus is characterized by comprising a first shell, wherein an optical fiber is arranged on the outer surface of the first shell, a first lens group is arranged at one end in the first shell, a diffusion plate is arranged at one end part of the first shell close to the first lens group, the optical fiber is connected with the diffusion plate, the other end in the first shell is provided with a second lens group, a third lens group is arranged between the first lens group and the second lens group, a fourth lens group is arranged between the third lens group and the second lens group, the first lens group comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are arranged from left to right in sequence, the second lens group package is provided with a sixth lens, a seventh lens, an eighth lens and a ninth lens from left to right in sequence, the third lens group comprises a tenth lens, an eleventh lens and a twelfth lens, and the fourth lens group comprises a thirteenth lens and a fourteenth lens.
2. The industrial lens with 12 times fixed focus according to claim 1, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are made of lens materials.
3. The 12-fold fixed-focus industrial lens according to claim 1, wherein the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth and fourteenth lenses have radii of curvature R1, R2 of:
a first lens: r1-11.923 mm, R2-63.148 mm;
a second lens: r1-17.006 mm, R2-32.428 mm;
a third lens: r1-24.571 mm, R2-53.550 mm;
a fourth lens: r1-35.622 mm, R2-81.776 mm;
a fifth lens: r1-159.25 mm, R2-64.7 mm;
a sixth lens: r1 ═ 21.88mm, R2 ═ 7.645 mm;
a seventh lens: r1 ═ 11.85mm, R2 ═ -21.88 mm;
an eighth lens: r1 ═ 6.5mm, R2 ═ -10.42 mm;
a ninth lens: r1 ═ 26.34mm, R2 ═ 6.5 mm;
a tenth lens: r1 ═ 26.6mm, R2 ═ -28.733 mm;
an eleventh lens: r1-24.066 mm, R2-26.6 mm;
a twelfth lens: r1 ═ 40.15mm, R2 ═ 27.566 mm;
a thirteenth lens: r1 ═ 23.8mm, R2 ═ 21.059 mm;
a fourteenth lens: r1-7.393 mm, R2-23.8 mm.
4. The 12-fold fixed-focus industrial lens according to claim 1, wherein the thicknesses d of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are respectively: a first lens: d is 3.0 +/-0.015 mm; a second lens: d is 2.2 +/-0.015 mm; a third lens:
a fourth lens:
a fifth lens:
a sixth lens: d is 2.89 plus or minus 0.02 mm; a seventh lens, d is 1.0 plus or minus 0.02 mm; an eighth lens: d is 1.0 plus or minus 0.02 mm; a ninth lens: d is 1.66 plus or minus 0.02; a tenth lens:
an eleventh lens:
a twelfth lens: d is 2.45 plus or minus 0.02 mm; a thirteenth lens:
a fourteenth lens:
5. the 12-fold fixed-focus industrial lens according to claim 1, wherein the effective clear apertures D0 of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth and fourteenth lenses are respectively: a first lens: d0 is 12.19-13.21 mm; a second lens: d0 is 13.97-14.66 mm; a third lens: d0 is 15.10-15.54 mm; a fourth lens: d0 is 15.73-16.00 mm; a fifth lens: d0 is 16.16-16.17 mm; a sixth lens: d0 is 5.22-6.07 mm; a seventh lens: d0 is 4.74-5.22 mm; an eighth lens: d0 is 4.74-4.83 mm; a ninth lens: d0 is 4.79-4.83 mm; a tenth lens: d0 is 11.45-11.69 mm; an eleventh lens: d0 is 11.69-12.08 mm; a twelfth lens: d0 is 12.44-12.47 mm; a thirteenth lens: d0 is 6.69-7.24 mm; a fourteenth lens: d0 is 6.27-6.96 mm.
6. The 12-fold fixed-focus industrial lens according to claim 1, wherein the outer diameters D of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the twelfth lens, the thirteenth lens and the fourteenth lens are respectively: a first lens: d is 14.5 mm; a second lens: d is 16 mm; a third lens: d is 17 mm; a fourth lens: d is 17 mm; a fifth lens: d is 17.4 mm; a sixth lens: d is 7.4 mm; a seventh lens: d is 7.5 mm; an eighth lens: d is 5.9 mm; a ninth lens: d is 6 mm; a tenth lens: d is 13.5 mm; an eleventh lens: d is 13.4 mm; a twelfth lens: d is 13.5 mm; a thirteenth lens: d is 8.4 mm; a fourteenth lens: d is 8.5 mm.
7. The industrial lens with 12 times fixed focus according to claim 1, wherein the distance between the first lens group and the third lens group is 24mm, the distance between the third lens group and the fourth lens group is 45mm, the distance between the fourth lens group and the second lens group is 4mm, and the distance between the second lens group and the other end of the first shell is 27 mm.
8. The industrial lens with 12 times fixed focus according to claim 1, wherein a plurality of grooves and a heat-shrinkable sleeve are arranged on the outer surface of the first shell, the optical fiber is arranged in the plurality of grooves, and the heat-shrinkable sleeve is sleeved on the first shell.
9. The industrial lens with 12 times fixed focus according to claim 1, wherein the first shell is further provided with a fiber cover plate, and the fiber cover plate is connected with one end part of the first shell.
10. The industrial lens barrel with 12 times fixed focus according to claim 1, wherein the first housing comprises a first lens barrel, a second lens barrel and a third lens barrel, the first lens group is disposed in the first lens barrel, the third lens group is disposed in the second lens barrel, and the second lens group and the fourth lens group are disposed in the third lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391053.6U CN214122542U (en) | 2021-02-22 | 2021-02-22 | 12-time fixed-focus industrial lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391053.6U CN214122542U (en) | 2021-02-22 | 2021-02-22 | 12-time fixed-focus industrial lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214122542U true CN214122542U (en) | 2021-09-03 |
Family
ID=77496501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120391053.6U Active CN214122542U (en) | 2021-02-22 | 2021-02-22 | 12-time fixed-focus industrial lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214122542U (en) |
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2021
- 2021-02-22 CN CN202120391053.6U patent/CN214122542U/en active Active
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