CN111610625B - Image quality correction device for endoscope objective lens and imaging lens assembly - Google Patents
Image quality correction device for endoscope objective lens and imaging lens assembly Download PDFInfo
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- CN111610625B CN111610625B CN202010634464.3A CN202010634464A CN111610625B CN 111610625 B CN111610625 B CN 111610625B CN 202010634464 A CN202010634464 A CN 202010634464A CN 111610625 B CN111610625 B CN 111610625B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
- G02B23/243—Objectives for endoscopes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
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Abstract
The invention relates to an image quality correction device for assembling an endoscope objective lens and a camera lens, which comprises a target adjusting assembly, a clamp assembly and a clamp adjusting assembly, wherein the target adjusting assembly comprises a target adjusting base, a first screw rod, a target adjusting hand wheel and a target frame for placing a target plate, two ends of the first screw rod are respectively and rotatably connected with the target adjusting base, the target adjusting hand wheel is arranged at one end of the first screw rod and is positioned at the outer side of the end part of the target adjusting base, the target frame is in sliding fit with the first screw rod, the clamp adjusting assembly comprises a clamp up-down adjusting mechanism, a clamp longitudinal adjusting mechanism and a clamp transverse adjusting mechanism, the clamp assembly is fixed on the clamp up-down adjusting mechanism, the up-down adjusting mechanism is arranged on the clamp longitudinal adjusting mechanism, and the clamp longitudinal adjusting mechanism is arranged on the clamp transverse adjusting mechanism. The invention has high assembly precision and can ensure high image definition of the endoscope.
Description
Technical Field
The present invention relates to a correction device, and more particularly, to an image quality correction device for assembling an endoscope objective lens and an imaging lens.
Background
At present, medical and industrial endoscopes at home and abroad are rapidly developed, particularly soft endoscopes are developed, and the definition of the image quality of an imaging system is higher and higher. In the field of flexible insertion tube endoscopes, CCD image sensors have essentially replaced the conventional flexible, bendable "image-guided bundles" of optical fibers. At present, the development of a digital CMOS image sensor is also fast, whether CCD or CMOS is matched with a corresponding objective lens, the optical signal of the objective lens is converted into an electric signal of the CCD or CMOS, and the image information of the electric signal is processed and then transmitted to a matched display to generate an image (of the optical signal). Therefore, the requirement for the combined assembly of the objective lens and the CCD or CMOS is high. The optical objective lens has high requirements on the optical axis and the central axis of the CCD or the CMOS, and the perpendicularity and displacement degree of the photosensitive target surface of the CCD or the CMOS and the optical axis of the objective lens.
In the assembly production of the objective lens and the CCD or the CMOS, the enterprises of medical or industrial soft insertion tube electronic endoscopes which are produced in most of our country adopt manual CCD or CMOS and objective lens assembly for image correction, so that the coaxiality, verticality and other tolerance requirements of the endoscopes are difficult to ensure, the produced endoscopes have high definition of images of the same products of foreign enterprises, the production efficiency and qualification rate are low, and the production cost is high.
Disclosure of Invention
The purpose of the invention is that: provided is an image quality correction device for assembling an endoscope objective lens and an imaging lens, wherein the assembly accuracy is high and the definition of an endoscope image is high after the assembly of the endoscope objective lens and a CCD or CMOS image sensor is performed through image correction.
In order to achieve the above purpose, the technical scheme of the invention is as follows: an endoscope objective lens and camera lens assembly image quality correcting unit, its innovation point lies in: comprises a target adjusting assembly, a clamp assembly and a clamp adjusting assembly,
the target adjusting assembly comprises a target adjusting base, a first screw rod, a target adjusting hand wheel and a target frame for placing a target, wherein the two ends of the first screw rod are respectively and rotatably connected with the target adjusting base, the target adjusting hand wheel is arranged at one end of the first screw rod and positioned at the outer side of the end part of the target adjusting base, the target frame is in sliding fit with the first screw rod,
the clamp assembly comprises a slide rail base, a second screw rod, a sensor fixing seat, a lens fixing seat and an adjusting knob, wherein the two ends of the second screw rod are respectively connected with the slide rail base in a rotating way, the adjusting knob is arranged at one end of the second screw rod and positioned at the outer side of the end part of the slide rail base, the sensor fixing seat is in sliding fit with the second screw rod, the lens fixing seat is arranged at the end part of the slide rail base and positioned at the outer side of the sensor fixing seat,
the clamp adjusting assembly comprises a clamp up-down adjusting mechanism, a clamp longitudinal adjusting mechanism and a clamp transverse adjusting mechanism, wherein a slide rail base of the clamp assembly is fixed on the clamp up-down adjusting mechanism, the up-down adjusting mechanism is arranged on the clamp longitudinal adjusting mechanism, and the clamp longitudinal adjusting mechanism is arranged on the clamp transverse adjusting mechanism.
In the above technical scheme, the first guide rods are respectively arranged on the two sides of the first screw rod on the target adjusting base, and the target frame is in sliding fit with the first guide rods.
In the above technical scheme, the target frame includes fixed connection or each other as an organic whole's target mounting panel and mounting panel seat, the target mounting panel is equipped with the target installation window, mounting panel seat and first lead screw sliding fit.
In the above technical scheme, the bottom of sensor fixing base is equipped with the lead screw slider, be equipped with the second guide bar respectively on the slide rail base and be located the both sides of second lead screw, lead screw slider and second lead screw and second guide bar sliding fit.
In the above technical scheme, the end of the slide rail base is provided with a fixing base bottom plate, the lens fixing base is fixedly connected with the fixing base bottom plate, and the lens fixing base is provided with a lens positioning boss.
In the above technical scheme, the sensor fixing seat is provided with a sensor positioning groove.
In the technical scheme, the fixture up-down adjusting mechanism comprises an up-down moving platform and an optical precision lifting platform, wherein the bottom of the up-down moving platform is fixedly connected with the optical precision lifting platform, and the slide rail base is arranged on the up-down moving platform; the fixture longitudinal adjusting mechanism comprises a longitudinal moving block, a third screw rod, a longitudinal moving block base and a longitudinal adjusting knob, the optical precision lifting platform is arranged on the longitudinal moving block, two ends of the third screw rod are rotationally connected with the longitudinal moving block, the longitudinal adjusting knob is fixed at one end of the third screw rod and is positioned at the outer side of the end part of the longitudinal moving block base, and the longitudinal moving block is in sliding fit with the third screw rod; the fixture transverse adjusting mechanism comprises a transverse adjusting base, a fourth screw rod and a transverse adjusting hand wheel, wherein two ends of the fourth screw rod are rotationally connected with the transverse adjusting base, the transverse adjusting hand wheel is fixed at one end of the fourth screw rod and located at the outer side of the end part of the transverse adjusting base, and the longitudinal moving block base is in sliding fit with the fourth screw rod.
In the technical scheme, the clamp transverse adjusting mechanism further comprises a digital display cursor, and the digital display cursor is arranged on the transverse adjusting base.
In the above technical scheme, the fixture longitudinal adjustment mechanism further comprises a third guide rod, the third guide rods are arranged on the longitudinal moving block base and located on two sides of the third screw rod, and the longitudinal moving block is in sliding fit with the third guide rods.
In the above technical scheme, the fixture transverse adjusting mechanism further comprises a fourth guide rod, the fourth guide rod is arranged on the transverse adjusting base and located on two sides of the fourth screw rod, and the longitudinal moving block base is in sliding fit with the fourth guide rod.
The invention has the positive effects that: after the image quality correction device is assembled by the endoscope objective lens and the camera lens, the invention comprises a target adjusting assembly, a clamp assembly and a clamp adjusting assembly,
the target adjusting assembly comprises a target adjusting base, a first screw rod, a target adjusting hand wheel and a target frame for placing a target, wherein the two ends of the first screw rod are respectively and rotatably connected with the target adjusting base, the target adjusting hand wheel is arranged at one end of the first screw rod and positioned at the outer side of the end part of the target adjusting base, the target frame is in sliding fit with the first screw rod,
the clamp assembly comprises a slide rail base, a second screw rod, a sensor fixing seat, a lens fixing seat and an adjusting knob, wherein the two ends of the second screw rod are respectively connected with the slide rail base in a rotating way, the adjusting knob is arranged at one end of the second screw rod and positioned at the outer side of the end part of the slide rail base, the sensor fixing seat is in sliding fit with the second screw rod, the lens fixing seat is arranged at the end part of the slide rail base and positioned at the outer side of the sensor fixing seat,
the clamp adjusting assembly comprises a clamp up-down adjusting mechanism, a clamp longitudinal adjusting mechanism and a clamp transverse adjusting mechanism, a slide rail base of the clamp assembly is fixed on the clamp up-down adjusting mechanism, the up-down adjusting mechanism is arranged on the clamp longitudinal adjusting mechanism, the clamp longitudinal adjusting mechanism is arranged on the clamp transverse adjusting mechanism,
when the device is used, firstly, the clamping objective lens group and the sensor are subjected to preliminary correction and debugging: the head end seat of the endoscope objective lens group is fixed on the lens fixing seat of the clamp assembly in advance, the front section of the CCD or CMOS sensor is arranged in the rear space of the lens seat and is positioned at the rear side of the objective lens in the lens seat, the rear section of the CCD or CMOS sensor is fixed on the sensor fixing seat, auxiliary equipment such as the sensor and a display are well connected before correcting images, and at the moment, the adjusting hand wheel rotates left and right, so that the front section of the CCD or CMOS sensor moves back and forth behind the objective lens to correct the images. The input light in front of the objective lens and the output light in back of the objective lens are incident to the CCD or CMOS sensor for photoelectric signal processing, at this time, related signals are transmitted to the display to display images, an operator adjusts the position of the sensor which moves back and forth, and observes whether the images on the display connected with the cable of the sensor are clear and meet the design requirement or not until the images of the objective lens and the CCD or CMOS are corrected to the clearest image required by the image quality of the designed endoscope,
second, correct the center of the objective lens on the head end base to the center of the target plate of image recognition on the target plate frame, and the optimal depth of field size:
placing a target plate on a target plate frame, firstly, enabling a clamp assembly to be positioned at the rear side of the target plate by adjusting a clamp transverse adjusting mechanism, then, enabling a target plate frame of the target plate to move back and forth along a first screw rod by adjusting a target plate adjusting hand wheel, finely adjusting the height up and down by an upper and lower adjusting mechanism of the clamp adjusting assembly until the center of an objective lens assembly on a head end seat is aligned with the center of the target plate on the target plate frame, judging whether the center of the objective lens assembly is aligned with the center of the target plate on the target plate frame by observing an image in a display, then, adjusting a clamp longitudinal adjusting mechanism to enable a slide rail base of the clamp assembly to move back and forth, correcting an optimal depth distance dimension (which can be obtained by measuring with a vernier caliper) specified by design between the objective lens and the target plate, and at the moment, completing the determination of the center position of the objective lens and the target plate before image correction and the optimal depth distance dimension;
third, correction of image quality of objective lens and CCD or CMOS sensor: because the objective lens and the CCD or CMOS sensor are assembled together in the same cavity of the lens holder part, the focal length between the objective lens and the CCD or CMOS sensor cannot be measured, the device is required to be used for correction, the adjusting knob is rotated to enable the sensor fixing seat to slide along the second screw rod, the sensor fixing seat can move back and forth to correct the image, at the moment, the sensor can move back and forth in the cavity of the head end seat, namely, the rear space of the objective lens can move back and forth or move back and forth, the image during display correction is observed while moving, and the size position of the best focal length between the rear end face of the objective lens and the target face of the CCD or CMOS sensor is found, namely, the size distance of the clearest image of the endoscope designed for correction is found. The image quality correction device is used for correcting the image resolution of the endoscope until the image of the objective lens and the CCD or CMOS is corrected to the clearest image required by the image quality of the designed endoscope. Has the advantages that: firstly, the coaxiality and the verticality of an objective lens and a CCD or CMOS can be effectively ensured; secondly, the definition of the image corrected manually before is improved: thirdly, improving the qualification rate of the image quality of the endoscope; fourthly, the production efficiency is improved; fifth, the production cost is reduced.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the target adjustment assembly of the present invention;
FIG. 3 is a schematic perspective view of the clamp assembly of the present invention;
fig. 4 is a schematic perspective view of the clamp adjustment assembly of the present invention.
Detailed Description
The invention is further illustrated, but not limited, by the following examples in connection with the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, an image quality correction device for assembling an endoscope objective lens and an imaging lens comprises a target adjusting assembly 1, a clamp assembly 2 and a clamp adjusting assembly 3,
the target adjusting assembly 1 comprises a target adjusting base 11, a first screw rod 12, a target adjusting hand wheel 13 and a target frame 14 for placing a target, wherein the two ends of the first screw rod 12 are respectively and rotatably connected with the target adjusting base 11, the target adjusting hand wheel 13 is arranged at one end of the first screw rod 12 and is positioned at the outer side of the end part of the target adjusting base 11, the target frame 14 is in sliding fit with the first screw rod 12,
the fixture assembly 2 comprises a slide rail base 21, a second screw rod 22, a sensor fixing seat 23, a lens fixing seat 24 and an adjusting knob 25, wherein two ends of the second screw rod 22 are respectively connected with the slide rail base 21 in a rotating way, the adjusting knob 25 is arranged at one end of the second screw rod 22 and is positioned at the outer side of the end part of the slide rail base 21, the sensor fixing seat 23 is in sliding fit with the second screw rod 22, the lens fixing seat 24 is arranged at the end part of the slide rail base 21 and is positioned at the outer side of the sensor fixing seat 23,
the clamp adjusting assembly 3 comprises a clamp up-down adjusting mechanism 31, a clamp longitudinal adjusting mechanism 32 and a clamp transverse adjusting mechanism 33, the slide rail base 21 of the clamp assembly 2 is fixed on the clamp up-down adjusting mechanism 31, the up-down adjusting mechanism 31 is arranged on the clamp longitudinal adjusting mechanism 32, and the clamp longitudinal adjusting mechanism 32 is arranged on the clamp transverse adjusting mechanism 33.
As shown in fig. 2, in order to ensure the stability of the target frame 14 relative to the first screw rod 12, first guide rods 15 are respectively arranged on the target adjusting base 11 and located at two sides of the first screw rod 12, and the target frame 14 is in sliding fit with the first guide rods 15.
As shown in fig. 2, in order to make the structure more reasonable, the target board is installed to the target board frame of being convenient for and matches with first lead screw and adorn, the target board frame 14 includes fixed connection or each other as an organic whole's target board mounting panel 141 and mounting panel seat 142, the target board mounting panel 141 is equipped with target board mounting window 143, mounting panel seat 142 and first lead screw 12 sliding fit.
As shown in fig. 3, in order to facilitate the dragging of the sensor fixing seat to slide along the second screw rod and to guide the movement of the screw rod slide block, a screw rod slide block 26 is disposed at the bottom of the sensor fixing seat 23, second guide rods 27 are disposed on the slide rail base 21 and located at two sides of the second screw rod 22, and the screw rod slide block 26 is in sliding fit with the second screw rod 22 and the second guide rods 27.
As shown in fig. 3, in order to facilitate the installation of the lens fixing base, a fixing base plate 28 is disposed at an end of the slide rail base 21, the lens fixing base 24 is fixedly connected with the fixing base plate 28, and the lens fixing base 24 has a lens positioning boss 241.
As shown in fig. 3, since the sensor has a certain length, the front section of the sensor moves back and forth in the cavity at the rear of the objective lens group of the lens base to correct the image, the sensor fixing base 23 has a sensor positioning groove 231 for fixing the rear section of the sensor, and the sensor positioning groove 231 is a V-shaped sensor positioning groove.
As shown in fig. 3, in order to achieve the adjustment precision of the up-down adjustment, the lateral adjustment and the longitudinal adjustment of the clamp assembly, the up-down adjustment mechanism 31 includes an up-down moving platform 311 and an optical precision lifting platform 312, the bottom of the up-down moving platform 31 is fixedly connected with the optical precision lifting platform 312, and the slide rail base 21 is disposed on the up-down moving platform 31; the fixture longitudinal adjustment mechanism 32 comprises a longitudinal moving block 321, a third screw rod 322, a longitudinal moving block base 323 and a longitudinal adjustment knob 324, the optical precision lifting platform 312 is arranged on the longitudinal moving block 321, two ends of the third screw rod 322 are rotationally connected with the longitudinal moving block 321, the longitudinal adjustment knob 324 is fixed at one end of the third screw rod 322 and is positioned at the outer side of the end part of the longitudinal moving block base 323, and the longitudinal moving block 321 is in sliding fit with the third screw rod 322; the fixture transverse adjusting mechanism 33 comprises a transverse adjusting base 331, a fourth screw rod 332 and a transverse adjusting hand wheel 333, two ends of the fourth screw rod 332 are rotatably connected with the transverse adjusting base 331, the transverse adjusting hand wheel 333 is fixed at one end of the fourth screw rod 332 and is located outside the end of the transverse adjusting base 331, and the longitudinal moving block base 323 is slidably matched with the fourth screw rod 332.
As shown in fig. 4, for aligning with the vertical center position of the target plate, the fixture lateral adjustment mechanism 33 further includes a digital cursor 334, and the digital cursor 334 is disposed on the lateral adjustment base 331. The digital cursor 334 and the optical precision lift table 312 are commercially available.
As shown in fig. 3, in order to facilitate guiding the longitudinal moving block, the fixture longitudinal adjusting mechanism 32 further includes a third guiding rod 325, and third guiding rods 325 are disposed on the longitudinal moving block base 323 and located at two sides of the third screw 322, and the longitudinal moving block 321 is slidably engaged with the third guiding rods 325.
As shown in fig. 3, in order to facilitate guiding the longitudinally moving block base, the clamp transverse adjustment mechanism 33 further includes a fourth guiding rod 335, fourth guiding rods 335 are disposed on the transverse adjustment base 331 and located on two sides of the fourth screw rod 332, and the longitudinally moving block base 323 is slidably engaged with the fourth guiding rods 335.
The specific working process of the invention is as follows:
first, clamping objective lens group and sensor to carry out preliminary correction and debugging:
the head end seat with the endoscope objective lens group is fixed on the lens positioning boss 241 of the lens fixing seat 24 of the clamp assembly 2 in advance, the front section of the CCD or CMOS sensor is arranged in the rear space of the lens seat and is positioned at the rear side of the objective lens in the lens seat, therefore, the rear section of the CCD or CMOS sensor is fixed on the V-shaped sensor positioning groove 231 of the sensor fixing seat 23, the auxiliary equipment such as the sensor and the display are connected well before correcting the image, at the moment, the adjusting knob 25 of the clamp assembly 2 is rotated, the front section of the CCD or CMOS sensor moves back and forth behind the objective lens to correct the image, the input light at the front of the objective lens is incident on the CCD or CMOS sensor for photoelectric signal processing, at the moment, the related signal is transmitted to the display for displaying the image, an operator can observe whether the image on the display connected with the cable of the sensor is clear or not while debugging the position of the sensor which moves back and forth until the image of the objective lens and the CCD or the CMOS sensor is corrected to the most clear image required by the designed endoscope image,
second, correct the center of objective lens on the head end base to the center of the target plate of image recognition on the target plate frame, the best depth of field size:
placing a target plate on the target plate rack 14 of the target plate adjusting assembly 1, firstly, adjusting a transverse adjusting hand wheel 333 of a clamp transverse adjusting mechanism 33, enabling a longitudinal moving block base 323 to rotate left and right along a fourth screw rod 332, then, enabling the target plate rack 14 to move back and forth along a first screw rod 12 through adjusting the target plate adjusting hand wheel 13 of the target plate adjusting assembly 1, enabling the clamp assembly 2 to face the rear side of the target plate on the target plate rack 14, then, finely adjusting the height of the clamp assembly 2 up and down through an optical precision lifting table 312 of a clamp up and down adjusting mechanism 31 until the center of an objective lens assembly on a head end seat is aligned with the center of the target plate on the target plate rack 14, then, adjusting a longitudinal adjusting knob 324 of a clamp longitudinal adjusting mechanism 32, enabling a sliding rail base 21 of the clamp assembly 2 to move back and forth along a third screw rod 322, correcting the depth of field distance between the objective lens and the target plate, judging that the center of the objective lens assembly has aligned with the center of the target plate on the target plate through observing images in a display, and completing the correction of the depth field distance between the objective lens and the center of the target plate;
third, correction of image quality of objective lens and CCD or CMOS sensor:
because the objective lens and the CCD or CMOS sensor are assembled together in the same cavity of the lens holder part, the focal length between the two is not measured, the device is required to be used for correction, the adjusting knob 25 of the clamp assembly 2 is rotated, the sensor fixing seat 23 slides along the second screw rod 22, the sensor fixing seat 23 can move back and forth to correct the image, at the moment, the sensor moves forward or backward in the cavity of the head end seat, namely the rear space of the objective lens, and the size position of the best focal length between the rear end surface of the objective lens and the target surface of the CCD or CMOS sensor, namely the size distance of the clearest image of the endoscope designed by correction is searched for correcting the image of the objective lens and the CCD or CMOS. After the image correction of the objective lens and the CCD or the CMOS is completed, an appropriate amount of structural adhesive is adopted to fix the CCD or the CMOS sensor and the head end seat by adhesive, and after the adhesive is solidified, the image correction of the endoscope is completed.
The image quality correction device is used for correcting the image resolution of the endoscope until the image of the objective lens and the CCD or CMOS is corrected to the clearest image required by the image quality of the designed endoscope.
Has the advantages that: firstly, the coaxiality and the verticality of an objective lens and a CCD or CMOS can be effectively ensured; secondly, the definition of the image corrected manually before is improved: thirdly, improving the qualification rate of the image quality of the endoscope; fourthly, the production efficiency is improved; fifth, the production cost is reduced. The invention can also detect the size of the angle of view of the object lens of the endoscope; and the device is also used for checking whether the image within the view field angle of the derived light of the camera of the endoscope is full of illumination or not, namely checking the correct position of the light-emitting element of the derived light when assembled with the endoscope, so as to ensure that the illumination of the whole image is uniform and the image is totally clear when the endoscope is detected in the non-light equipment.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. An endoscope objective lens and imaging lens assembly image quality correction device is characterized in that: comprises a target adjusting assembly (1), a clamp assembly (2) and a clamp adjusting assembly (3),
the target adjusting assembly (1) comprises a target adjusting base (11), a first screw rod (12), a target adjusting hand wheel (13) and a target frame (14) for placing a target, wherein the two ends of the first screw rod (12) are respectively and rotatably connected with the target adjusting base (11), the target adjusting hand wheel (13) is arranged at one end of the first screw rod (12) and is positioned at the outer side of the end part of the target adjusting base (11), the target frame (14) is in sliding fit with the first screw rod (12),
the fixture assembly (2) comprises a slide rail base (21), a second screw rod (22), a sensor fixing seat (23), a lens fixing seat (24) and an adjusting knob (25), wherein two ends of the second screw rod (22) are respectively and rotatably connected with the slide rail base (21), the adjusting knob (25) is arranged at one end of the second screw rod (22) and is positioned at the outer side of the end part of the slide rail base (21), the sensor fixing seat (23) is in sliding fit with the second screw rod (22), the lens fixing seat (24) is arranged at the end part of the slide rail base (21) and is positioned at the outer side of the sensor fixing seat (23),
the clamp adjusting assembly (3) comprises a clamp up-down adjusting mechanism (31), a clamp longitudinal adjusting mechanism (32) and a clamp transverse adjusting mechanism (33), a slide rail base (21) of the clamp assembly (2) is fixed on the clamp up-down adjusting mechanism (31), the up-down adjusting mechanism (31) is arranged on the clamp longitudinal adjusting mechanism (32), and the clamp longitudinal adjusting mechanism (32) is arranged on the clamp transverse adjusting mechanism (33).
2. The endoscope objective lens and imaging lens assembly image quality correction apparatus according to claim 1, wherein: the two sides of the target adjusting base (11) which are positioned on the first screw rod (12) are respectively provided with a first guide rod (15), and the target frame (14) is in sliding fit with the first guide rods (15).
3. The endoscope objective lens and imaging lens assembly image quality correction apparatus according to claim 1, wherein: the target frame (14) comprises a target mounting plate (141) and a mounting plate seat (142) which are fixedly connected or integrated, the target mounting plate (141) is provided with a target mounting window (143), and the mounting plate seat (142) is in sliding fit with the first screw rod (12).
4. The endoscope objective lens and imaging lens assembly image quality correction apparatus according to claim 1, wherein: the bottom of sensor fixing base (23) is equipped with lead screw slider (26), slide rail base (21) is gone up and is located both sides of second lead screw (22) and be equipped with second guide bar (27) respectively, lead screw slider (26) and second lead screw (22) and second guide bar (27) sliding fit.
5. The endoscope objective lens and imaging lens assembly image quality correction apparatus according to claim 1, wherein: the end of the sliding rail base (21) is provided with a fixed base bottom plate (28), the lens fixed base (24) is fixedly connected with the fixed base bottom plate (28), and the lens fixed base (24) is provided with a lens positioning boss (241).
6. The endoscope objective lens and imaging lens assembly image quality correction apparatus according to claim 1, wherein: the sensor fixing seat (23) is provided with a sensor positioning groove (231).
7. The endoscope objective lens and imaging lens assembly image quality correction apparatus according to claim 1, wherein: the clamp up-down adjusting mechanism (31) comprises an up-down moving platform (311) and an optical precision lifting platform (312), the bottom of the up-down moving platform (311) is fixedly connected with the optical precision lifting platform (312), and the slide rail base (21) is arranged on the up-down moving platform (311); the fixture longitudinal adjusting mechanism (32) comprises a longitudinal moving block (321), a third screw rod (322), a longitudinal moving block base (323) and a longitudinal adjusting knob (324), wherein the optical precision lifting table (312) is arranged on the longitudinal moving block (321), two ends of the third screw rod (322) are rotationally connected with the longitudinal moving block base (323), the longitudinal adjusting knob (324) is fixed at one end of the third screw rod (322) and is positioned outside the end part of the longitudinal moving block base (323), and the longitudinal moving block (321) is in sliding fit with the third screw rod (322); the fixture transverse adjusting mechanism (33) comprises a transverse adjusting base (331), a fourth screw rod (332) and a transverse adjusting hand wheel (333), wherein two ends of the fourth screw rod (332) are rotationally connected with the transverse adjusting base (331), the transverse adjusting hand wheel (333) is fixed at one end of the fourth screw rod (332) and located at the outer side of the end part of the transverse adjusting base (331), and the longitudinal moving block base (323) is in sliding fit with the fourth screw rod (332).
8. The apparatus for correcting the image quality of an endoscope objective lens and an imaging lens assembly according to claim 7, wherein: the clamp transverse adjusting mechanism (33) further comprises a digital cursor (334), and the digital cursor (334) is arranged on the transverse adjusting base (331).
9. The apparatus for correcting the image quality of an endoscope objective lens and an imaging lens assembly according to claim 7, wherein: the fixture longitudinal adjusting mechanism (32) further comprises a third guide rod (325), the third guide rods (325) are arranged on the longitudinal moving block base (323) and located on two sides of the third screw rod (322), and the longitudinal moving block (321) is in sliding fit with the third guide rods (325).
10. The apparatus for correcting the image quality of an endoscope objective lens and an imaging lens assembly according to claim 7, wherein: the clamp transverse adjusting mechanism (33) further comprises a fourth guide rod (335), the fourth guide rod (335) is arranged on the transverse adjusting base (331) and located on two sides of the fourth screw rod (332), and the longitudinal moving block base (323) is in sliding fit with the fourth guide rod (335).
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| CN202010634464.3A CN111610625B (en) | 2020-07-02 | 2020-07-02 | Image quality correction device for endoscope objective lens and imaging lens assembly |
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| CN202010634464.3A CN111610625B (en) | 2020-07-02 | 2020-07-02 | Image quality correction device for endoscope objective lens and imaging lens assembly |
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| CN111610625B true CN111610625B (en) | 2023-06-06 |
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| CN201929936U (en) * | 2011-01-19 | 2011-08-17 | 杭州华冲科技有限公司 | Lens mounting and focusing device |
| CN203634116U (en) * | 2013-10-08 | 2014-06-11 | 安翰光电技术（武汉）有限公司 | Lens focusing device for capsule endoscope |
| CN108742478A (en) * | 2018-06-08 | 2018-11-06 | 深圳市资福医疗技术有限公司 | A kind of capsule endoscope lens focusing device |
| CN209153583U (en) * | 2018-09-18 | 2019-07-26 | 西安信捷智能检测科技有限公司 | A kind of automatic adjusting mechanism for endoscopic optical performance detection |
| WO2020125656A1 (en) * | 2018-12-18 | 2020-06-25 | 深圳市太赫兹科技创新研究院 | Imaging adjustment device |
| CN212515211U (en) * | 2020-07-02 | 2021-02-09 | 常州延顺光电科技有限公司 | Image quality correction device for assembling endoscope objective lens and camera lens |
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2020
- 2020-07-02 CN CN202010634464.3A patent/CN111610625B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201929936U (en) * | 2011-01-19 | 2011-08-17 | 杭州华冲科技有限公司 | Lens mounting and focusing device |
| CN203634116U (en) * | 2013-10-08 | 2014-06-11 | 安翰光电技术（武汉）有限公司 | Lens focusing device for capsule endoscope |
| CN108742478A (en) * | 2018-06-08 | 2018-11-06 | 深圳市资福医疗技术有限公司 | A kind of capsule endoscope lens focusing device |
| CN209153583U (en) * | 2018-09-18 | 2019-07-26 | 西安信捷智能检测科技有限公司 | A kind of automatic adjusting mechanism for endoscopic optical performance detection |
| WO2020125656A1 (en) * | 2018-12-18 | 2020-06-25 | 深圳市太赫兹科技创新研究院 | Imaging adjustment device |
| CN212515211U (en) * | 2020-07-02 | 2021-02-09 | 常州延顺光电科技有限公司 | Image quality correction device for assembling endoscope objective lens and camera lens |
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