CN108803003A - A kind of endoscope lens module - Google Patents
A kind of endoscope lens module Download PDFInfo
- Publication number
- CN108803003A CN108803003A CN201810952958.9A CN201810952958A CN108803003A CN 108803003 A CN108803003 A CN 108803003A CN 201810952958 A CN201810952958 A CN 201810952958A CN 108803003 A CN108803003 A CN 108803003A
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- cmos
- objective
- lens
- object lens
- imaging
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- 238000003384 imaging method Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
Abstract
The present invention relates to a kind of endoscope lens modules, including transmission cable, circuit board, CMOS, module shell, object lens assembly, the front end of the transmission cable connects the circuit board, and the CMOS is welded in the circuit board, and the CMOS inside chips imaging Aspect Ratio is 16：The length-width ratio of 9 units；The object lens assembly is arranged in front of the CMOS, the object lens assembly includes objective holder and wears the conventional objective lens and enlarging objective of its inside, the imaging plane of the conventional objective lens and the enlarging objective is in the same plane, the imaging plane center of circle of the two is on the cross central line of the CMOS, the imaging region of the enlarging objective and the width edge of the CMOS are tangent, a diameter of 5.5~6 units of enlarging objective imaging region, a diameter of 9.5~10.5 units of the conventional objective lens imaging region.The function of image magnification can be achieved in the present invention, without changing operation handle design.
Description
Technical field
The present invention relates to the technical field of endoscope more particularly to a kind of endoscope lens modules.
Background technology
Existing common 16：Structural schematic diagram when the endoscope lens installation of 9 visual fields, including transmission cable, image pass
Sensor chip (CMOS), circuit board, module shell, objective holder and object lens, wherein one end circuit board of transmission cable, circuit
The other end of substrate connects CMOS, and CMOS sizes are 16：The other end of 9 length-width ratio, CMOS is correspondingly provided with objective holder, object
Object lens in microscope base, general object lens are located at the center of lens mount, and CMOS is inscribed in the latter in the projection of object lens imaging region.This
Sample, the visible area of round object lens, which is reflected in CMOS chip, is restricted to 16：9 long profiling visual angle, has most of imaging
Region wastes.
Fujinon electronic video endoscope (by taking electronic gastrointestinal mirror as an example) is needed because of actual observation, it is necessary to using wide-angle (120~145 °) and
The camera lens of the long depth of field (3~100mm), image magnification multiplying power is always at 40 times or so (19 cun of monitors).Use high-resolution again
Rate imaging sensor, because the optics of itself is limited, amplification effect also unobvious.Such as Fig. 1,16：9 normal image has larger in fact
Subregion is not shown (scribe area).
Japanese firm installs zoom lens on an imaging sensor, and when normal use is consistent with conventional imaging.If needed
Lesion details is watched, mechanical structure on object lens can be pulled by operating the structure of handwheel, it is real to change the distance between each eyeglass
Existing low coverage amplifying observation, is about amplified to 130 times, can greatly improve inspection accuracy, very convenient.But this structure has drawback
Obviously, 1) varifocus objective has complex mechanical structure, and diameter is very thick, and endoscope must also be made thick, seriously affect what patient used
Comfort level.2) due to complicated in mechanical structure, it has been easy dust entrance when assembling object lens, has been moved between each eyeglass and also easy tos produce rubbish
Rubbish.3) it in endoscope designs, also needs to increase from operation handle to object lens drive mechanism, needs to redesign a set of manipulator
Handle need to put into huge man power and material.
Invention content
The purpose of the present invention is being directed to above-mentioned present situation to make improvement, a kind of endoscope lens module is provided
The technical solution adopted by the present invention：A kind of endoscope lens module, including transmission cable, circuit board, CMOS, mould
The front end of assembly housing, object lens assembly, the transmission cable connects the circuit board, and the CMOS is welded on the circuit base
On plate, the CMOS inside chips imaging Aspect Ratio is 16：The length-width ratio of 9 units；The object lens assembly is arranged in institute
It states in front of CMOS, the object lens assembly includes objective holder and wears the conventional objective lens and enlarging objective of its inside, the routine
The imaging plane of object lens and the enlarging objective in the same plane, the transverse direction of the imaging plane center of circle of the two in the CMOS
On center line, the imaging region of the enlarging objective and the width edge of the CMOS are tangent, and the enlarging objective imaging region is straight
Diameter is 5.5~6 units, a diameter of 9.5~10.5 units of the conventional objective lens imaging region.
The beneficial effects of the invention are as follows：Normal observation and amplifying observation function can be achieved at the same time in the same CMOS, be not necessarily to
By focusing, object lens achieve that image magnification.Without change operation handle design.
Description of the drawings
Involved attached drawing is simply introduced in being described to the embodiment of the present invention, in order to in the embodiment of the present invention
Technical solution become apparent from, completely illustrated, attached drawing below is only for some embodiments of the present invention, not limiting
The system present invention, under the premise of without other creative works, it is clear that other accompanying drawings can be obtained according to these attached drawings.
Fig. 1 is the image of the CMOS of the endoscope lens module of the prior art；
Fig. 2 is the explosive view of endoscope lens module shown in the present invention；
Fig. 3 is the image of the CMOS of endoscope lens module shown in Fig. 2；
Fig. 4 a~4d are the design sketch on display.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.It can
Can also be electrical connection to be mechanical connection.It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right over second feature and oblique upper, or be merely representative of
Fisrt feature level height is less than second feature.
A kind of endoscope lens module as shown in figures 2-3, including transmission cable 1, circuit board 2, CMOS3, module shell
4, the front end of object lens assembly, the transmission cable 1 connects the circuit board 2, and the CMOS3 is welded on the circuit board
On 2, the inside chip imaging Aspect Ratio of the CMOS3 is 16：The length-width ratio of 9 units；The object lens assembly setting exists
The front of the CMOS3, the object lens assembly include objective holder 5 and wear conventional objective lens 6 and enlarging objective 7 of its inside,
The imaging plane of conventional objective lens 6 and enlarging objective 7 is in the same plane.The imaging plane center of circle of two object lens is described
On the imaging transverse center line of CMOS3, while the imaging width side phase of the imaging region of the enlarging objective 7 and the CMOS3
Cut, a diameter of 5.5~6 units of imaging region of the enlarging objective 7, the imaging region of the conventional objective lens 6 it is a diameter of
9.5~10.5 units.
In use, conventional objective lens 6 are observed for normal viewing angle, when finding target, small range is only needed to adjust the endoscope
The direction of camera lens or angle make 7 face target area of enlarging objective obtain magnified image, while the imaging of enlarging objective 7 are arranged
A diameter of 5.5~6 units in region, a diameter of 9.5~10.5 units of imaging region of conventional objective lens 6 can be or else unrestrained
Take more visual effect, while obtaining normal picture and enlarged drawing.
As shown in fig. 4 a, reflect that the image on CMOS, Video segmentation line are that two object lens are seen for the endoscope lens
The tangent line at the visual angle examined, image can not be directly using needing to be divided into independent routine and enlarged drawing by software, i.e., at this time
Shown in Fig. 4 b, normal image is the image with cambered trimming effect, or octagon image can be obtained by software.Fig. 4 c institutes
Show, two kinds of images are needed to be spliced into piece image again according to substantial evidence shows on a monitor.Such as Fig. 4 d, near viewing lesion
When details, position is exchanged after can also amplifying the image electronic of enlarging objective and after normal image diminution, convenient for observation.
Further, conventional objective lens 6 and enlarging objective 7 are be bonded by glue with objective holder 5.
Further, transmission cable 1 is with after the welding of circuit board 2, and edge is fixed by the two by glue, transmission line
It after cable 1 and circuit board 2 are fixed, is reloaded into module shell 4, then cemented with glue, is reloaded into object lens assembly, correct
After the distance between object lens assembly and sensor reach optimal imaging effect requirements, then will be outside object lens assembly and module with glue
Shell 4 is bonded.
And the foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all spirit and original in the present invention
Within then, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of endoscope lens module, which is characterized in that including transmission cable, circuit board, CMOS, module shell, object lens
The front end of assembly, the transmission cable connects the circuit board, and the CMOS is welded in the circuit board, described
It is 16 that CMOS inside chips, which are imaged Aspect Ratio,：The length-width ratio of 9 units；The object lens assembly is arranged before the CMOS
Side, the object lens assembly include objective holder and wear the conventional objective lens and enlarging objective of its inside, the conventional objective lens and institute
State the imaging plane of enlarging objective in the same plane, the cross central line of the imaging plane center of circle of the two in the CMOS
On, the imaging region of the enlarging objective and the width edge of the CMOS are tangent, the enlarging objective imaging region a diameter of 5.5
~6 units, a diameter of 9.5~10.5 units of the conventional objective lens imaging region.
2. a kind of endoscope lens module according to claim 1, which is characterized in that the conventional objective lens and the amplification
Object lens are be bonded by glue with the objective holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952958.9A CN108803003A (en) | 2018-08-21 | 2018-08-21 | A kind of endoscope lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952958.9A CN108803003A (en) | 2018-08-21 | 2018-08-21 | A kind of endoscope lens module |
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| Publication Number | Publication Date |
|---|---|
| CN108803003A true CN108803003A (en) | 2018-11-13 |
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ID=64080643
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810952958.9A Pending CN108803003A (en) | 2018-08-21 | 2018-08-21 | A kind of endoscope lens module |
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| Country | Link |
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| CN (1) | CN108803003A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060235273A1 (en) * | 2003-12-15 | 2006-10-19 | Olympus Corporation | Endoscope system and endoscope |
| CN201157346Y (en) * | 2008-02-27 | 2008-12-03 | 陈笠 | Disposal double-camera gastroscope |
| CN104656242A (en) * | 2013-11-22 | 2015-05-27 | 深圳先进技术研究院 | Endoscope binocular optical system with double objective lens and single image sensor |
| CN104799803A (en) * | 2015-05-14 | 2015-07-29 | 珠海视新医用科技有限公司 | Dual-lens distal end part structure for endoscope |
| CN205720863U (en) * | 2015-11-03 | 2016-11-23 | 无锡威森光电科技有限公司 | A kind of package assembly of microminiature endoscope camera head module |
| CN208805608U (en) * | 2018-08-21 | 2019-04-30 | 武汉功匠内窥镜设备有限公司 | A kind of endoscope lens mould group |
-
2018
- 2018-08-21 CN CN201810952958.9A patent/CN108803003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060235273A1 (en) * | 2003-12-15 | 2006-10-19 | Olympus Corporation | Endoscope system and endoscope |
| CN201157346Y (en) * | 2008-02-27 | 2008-12-03 | 陈笠 | Disposal double-camera gastroscope |
| CN104656242A (en) * | 2013-11-22 | 2015-05-27 | 深圳先进技术研究院 | Endoscope binocular optical system with double objective lens and single image sensor |
| CN104799803A (en) * | 2015-05-14 | 2015-07-29 | 珠海视新医用科技有限公司 | Dual-lens distal end part structure for endoscope |
| CN205720863U (en) * | 2015-11-03 | 2016-11-23 | 无锡威森光电科技有限公司 | A kind of package assembly of microminiature endoscope camera head module |
| CN208805608U (en) * | 2018-08-21 | 2019-04-30 | 武汉功匠内窥镜设备有限公司 | A kind of endoscope lens mould group |
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