CN202093230U - High-power 5-mega-pixel camera lens - Google Patents
High-power 5-mega-pixel camera lens Download PDFInfo
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- CN202093230U CN202093230U CN2011201888394U CN201120188839U CN202093230U CN 202093230 U CN202093230 U CN 202093230U CN 2011201888394 U CN2011201888394 U CN 2011201888394U CN 201120188839 U CN201120188839 U CN 201120188839U CN 202093230 U CN202093230 U CN 202093230U
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Abstract
The utility model relates to a high-power 5-mega-pixel camera lens, which comprises a main lens tube. The high-power 5-mega-pixel camera lens is characterized in that a negative-focal-powder front lens set A, a variable aperture C and a positive-focal-power rear lens set B are respectively disposed in the main lens tube along a light path incidence direction, a focusing mechanism and a dimming mechanism are arranged on the main lens tube, a front lens seat for mounting the front lens set A is connected to the front of the inner periphery of the main lens tube in a threaded manner, and a rear lens seat for mounting the rear lens set B is connected to the rear of the inner periphery of the main lens tube through a flange. The high-power 5-mega-pixel camera lens has the advantages of high resolution, large relative aperture and long back focal distance, dimming devices such as manual apertures, automatic apertures or the like can be conveniently disposed in a light path, and the high-power 5-mega-pixel camera lens is high in adaptability, and can be used for providing full-interface sharp images of more than 5 mega pixels for a high-definition network camera system especially.
Description
Technical field
The utility model relates to a kind of high light power 5,000,000 pixel camera camera lenses, belongs to field of photoelectric technology, relates to the high definition video imaging lens device.
Background technology
Pick-up lens as the focal distance f=16mm of Fig. 3 structural shape.Used 15-20 in the video camera field, its performance index are low: relative aperture D/f '=1/2, field angle are short less than 30 °, rear cut-off distance, automatic light hurdle can't be set in the camera lens, compatible relatively poor with video camera.Especially the sharpness of image is not high, can only be adaptive with the general CCD or the cmos video camera of 20-30 ten thousand pixels.Only can adapt to the needs that the monitoring field is generally watched.
Summary of the invention
The purpose of this utility model is to provide a kind of high light power 5,000,000 pixel camera camera lenses, help promoting camera lens resolution and with the suitability of photoelectric sensor, thereby satisfy the shooting requirement of photoelectricity monitoring field, high-resolution image quality.
Of the present utility model being characterised in that: a kind of high light power 5,000,000 pixel camera camera lenses, comprise body tube, it is characterized in that: along the light path incident direction focal power being set respectively in the described body tube is positive back mirror group B for negative preceding mirror group A, iris C and focal power, described body tube is provided with focus adjusting mechanism and dimming mechanism, described body tube inner ring front threads is connected with the preceding microscope base in order to mirror group A before settling, and the rear portion flange is connected with in order to settle the back microscope base of back mirror group B; Described focus adjusting mechanism comprises with the positive thread in body tube outer ring and is connected focusing mount, described focusing mount outer ring also is provided with the focusing connection seat that negative thread connects, described focusing mount also is connected with the focusing regulating ring of being located at its outer ring by jackscrew, offer line channel on the described focusing connection seat inner ring, lay the end in the described line channel and be connected guide pin on the body tube; Described dimming mechanism comprises the light hurdle rotating ring of being located on the microscope base outer ring, back, described smooth hurdle rotating ring one end is connected with light hurdle rotating ring snap ring on being connected to the body tube inner ring, the light hurdle rotating ring retaining nail of the other end through running through focusing connection seat and body tube is connected, and described smooth hurdle rotating ring retaining nail drives by being located at the light hurdle regulating ring of regulating the connection seat outer ring.
Advantage of the present utility model: the utility model is provided with manual focusing, and focus adjusting mechanism adopts the positive and negative thread of different lead to grind to cooperate and focuses, and focusing is moved accurately, reliable, no clamping stagnation; Focusing range of adjustment 0.5mm; Manual adjustments light hurdle is set, adopts 10 light hurdle blades, 8 breach light hurdle blades and 2 round light hurdle blades wherein are set, guarantee light hurdle vary stable in the light modulation process, evenly, minimum light hurdle contract fully; It is preposition that focus adjusting mechanism is set, light hurdle governor motion postposition, and design focusing regulating ring is consistent with light hurdle regulating ring overall ratio; Focusing regulating ring and regulating ring outer ring, light hurdle are provided with rubber ring, strengthen the shank aesthetic property and improve the comfortable feel degree, add full length shot front end shank length, play the effect of similar light shield, guarantee the coordination of camera lens overall ratio, and good looking appearance is generous; Focusing regulating ring, light hurdle regulating ring, body tube exposed parts are reserved enough parts of carving characters, and are convenient to be provided with camera lens LOGO; The control of machinery spacer ring dimensional tolerence is less than 0.02mm, and concentricity is controlled less than 0.02mm, and screw thread is paid tolerance on fit GB (H7/g6), lens barrel tolerance on fit GB (H8/f7); Focusing, accurate, smooth and easy, the no clamping stagnation of light modulation action; Shank adopts the simple metal structural design, guarantees working strength; The chromium plating of camera lens connection seat is handled, and promotes product specification.Connection seat connects the employing flange and connects with shank, reliable and stable.
Description of drawings
Fig. 1 is the utility model example structure synoptic diagram.
Fig. 2 is the utility model embodiment light channel structure synoptic diagram.
The light channel structure synoptic diagram of the current the type camera lens of Fig. 3.
Embodiment
With reference to figure 1 and Fig. 2, a kind of high light power 5,000,000 pixel camera camera lenses, comprise body tube 1, along the light path incident direction focal power being set respectively in the described body tube 1 is positive back mirror group B for negative preceding mirror group A, iris C and focal power, described body tube 1 is provided with focus adjusting mechanism and dimming mechanism, described body tube 1 inner ring front threads is connected with the preceding microscope base 2 in order to mirror group A before settling, and the rear portion flange is connected with in order to settle the back microscope base 15 of back mirror group B; Described focus adjusting mechanism comprises with the positive thread in body tube 1 outer ring and is connected focusing mount 8, described focusing mount 8 outer rings also are provided with the focusing connection seat 9 that negative thread connects, described focusing mount 8 also is connected with the focusing regulating ring 6 of being located at its outer ring by jackscrew 7, offer line channel on described focusing connection seat 9 inner rings, lay the end in the described line channel and be connected guide pin 11 on the body tube 1; Described dimming mechanism comprises the light hurdle rotating ring of being located on microscope base 15 outer rings, back 12, described smooth hurdle rotating ring 12 1 ends are connected with light hurdle rotating ring snap ring 5 on being connected to body tube 1 inner ring, the light hurdle rotating ring retaining nail 13 of the other end through running through focusing connection seat 9 and body tube 1 is connected, described smooth hurdle rotating ring retaining nail 13 drives by being located at the light hurdle regulating ring 14 of regulating connection seat 9 outer rings, is provided with light hurdle sheet 10 between light hurdle rotating ring 12 and back microscope base 15 adjacent faces.
Mirror group A is made of positive selenodont lens A-1, plano-convex lens A-2 and negative crescent lens A-3 before above-mentioned, manual light hurdle or automatic light hurdle can be set at iris C place, and the gummed group that gummed group, biconvex lens B-3, biconvex lens B-4, negative crescent lens B-5 and the biconvex lens B-6 that described back mirror group B is connected airtight by biconcave lens B-1 and biconvex lens B-2 connects airtight constitutes.
The leading section of microscope base 2 is threaded in order to the trim ring A3 of mirror group A before fixing before above-mentioned, the back segment portion of described back microscope base 15 is threaded in order to the trim ring B17 of fixing back mirror group B, be provided with spacer ring 4 between described positive selenodont lens A-1 and the plano-convex lens A-2, be provided with spacer ring 18 between gummed group that described biconcave lens B-1 and biconvex lens B-2 connect airtight and the biconvex lens B-3, be provided with spacer ring 20 between described biconvex lens B-3 and the biconvex lens B-4, be provided with spacer ring 22 between the gummed group that described biconvex lens B-4 and negative crescent lens B-5 and biconvex lens B-6 connect airtight.
Be spaced apart 3.57mm before above-mentioned between mirror group A and the iris C, described iris C and afterwards be spaced apart 2.08mm between the mirror group B; Airspace among the described preceding mirror group A between positive selenodont lens A-1 and the plano-convex lens A-2 is 0.53mm, and the airspace between described plano-convex lens A-2 and the negative crescent lens A-3 is 1.16mm; Gummed group that biconcave lens B-1 and biconvex lens B-2 connect airtight among the described back mirror group B and the airspace between the biconvex lens B-3 are 0.15mm, airspace between described biconvex lens B-3 and the biconvex lens B-4 is 0.69mm, and the airspace between the gummed group that described biconvex lens B-4 and negative crescent lens B-5 and biconvex lens B-6 connect airtight is 0.51mm.
Above-mentioned focusing connection seat 9 rear end faces also are connected with the Connection Block 16 of sealing focus adjusting mechanism and dimming mechanism.
Above-mentioned focusing regulating ring and regulating ring outer ring, light hurdle also are provided with rubber ring 23.
Be respectively equipped with on above-mentioned focusing regulating ring 6 and the light hurdle regulating ring 14 in order to the focusing lock of locking focusing regulating ring 6 and light hurdle regulating ring 14 and mark closely 19 and light hurdle locking nail 21, but described focusing lock mark closely 19 with an end apical grafting of light hurdle locking nail 21 on focusing connection seat 9.
The optical index that the utility model reaches: focal length: f '=16mm; Relative aperture D/f '=1/1.4; Field angle 2w 〉=40.7 ° (as square linear field 2 η 〉=φ 11mm); Optical texture length: Σ L≤54.5mm; Be suitable for spectral range: 480nm-650nm; Resolution of lens: adaptive with 5,000,000 pixel high-resolution ccd video cameras or cmos video camera; Manual light hurdle or automatic light hurdle can be set in light path.
Concrete implementation step: this lens focus is 16mm, image height φ 11mm, 5,000,000 pixel high definition camera lenses, the image planes size of camera lens is big, require the picture element at optical center and edge simultaneously clear, suppress the curvature of field in the aberration, coma is to the concentricity of physical construction, the strict control in interval between each optical component.
This camera lens requires the focusing governor motion preposition, light hurdle governor motion postposition as the expensive goods of high definition class.Focusing, light modulation are moved stable, reliable.The camera lens good looking appearance is generous.
Also need optimize processing technology simultaneously, be convenient to the dress school of camera lens.
Design proposal as shown in Figure 1.
The utility model Design of Mechanical Structure comprises: design body tube 1, preceding microscope base 2, back microscope base 15.Eyeglass 31(A-1 sheet with 33 groups of formulas of preceding microscope base), 30 (A-2 sheets), 29(A-3) place inside the preceding microscope base; With 28(B-1, B-2), 27(B-3), 26(B-4), 25(B-5), 24(B-6) place the back microscope base in.Preceding microscope base and body tube adopt thread connection to fix, and back microscope base and body tube adopt flange to be connected and fixed.
For fixing len and guarantee airspace between each eyeglass, trim ring and spacer ring have been designed respectively: the airspace between spacer ring 4 principal security A-2 sheets and the A-3; Spacer ring 18 has guaranteed the airspace between B-1, B-2 gummed group and the B-3 sheet; The airspace that spacer ring 20 guarantees between B-3, the B-4 sheet; Spacer ring 22 guarantees the air-gap interval between B-4 and B-5, the B-6.Camera lens trim ring and spacer ring are provided with delustring and buckle, and apply lusterless paint at the delustring button, effectively lower the stray light that primary event brings, and lower ghost image and produce, and promote camera lens adaptability under big illuminance situation.
Regulate postposition for satisfying the light hurdle, designing requirement preposition and that construction profile is elegant in appearance is regulated in focusing, because C position, light hurdle is more forward in the structure of this optical system, sees Fig. 2.Design following scheme (see figure 1):
1, design strengthens the shank radial width, is convenient to be provided with in shank inside focusing component (focusing mount 8, focusing connection seat 9), dimming components (light hurdle rotating ring 12, back microscope base 15);
2, design Connection Block 16, focusing group (focusing mount 8, focusing connection seat 9), focusing regulating ring 6, guide pin 11 etc. are formed focus adjusting mechanism, satisfy the preposition requirement of focus adjusting mechanism;
3, design light hurdle rotating ring 12, the double effect of playing light hurdle seat of back microscope base 15(), light hurdle regulating ring 14, retaining nail 13 etc. form light hurdle governor motion, satisfy the rearmounted requirement of light hurdle governor motion;
4, design adds full length shot front end shank length, and gradient (see figure 1) of camera lens incident end design had both made front end play the effect of the harmful light of intercepting edge, lifting camera lens applicability, guaranteed the coordination of camera lens overall ratio again, and good looking appearance is generous;
5, design focusing regulating ring, light hurdle regulating ring, body tube exposed parts ratio uniformity are reserved enough positions of carving characters, and are convenient to be provided with camera lens LOGO; Camera lens focusing regulating ring and regulating ring outer ring, light hurdle are provided with the rubber band (see figure 1).
To guarantee in the described structural design actions such as the concentricity of each constituent element of system and focusing accurately, steadily and demand such as good hand touch, following two measures of described employing: 1, design focusing mount 8 connects with the positive thread of body tube 1 employing, designs positive thread helical pitch 1mm.Focusing mount 8 uses anti-thread to connect with focusing connection seat 9, designs anti-thread helical pitch 0.75mm.Grind by the positive and negative thread that does not become the multiple helical pitch, effectively eliminate the screw thread backlash campaign that screw thread is shipped and produced in the moving process, guarantee the precision that cooperates between the screw thread to improve the reliability that focusing is moved, effectively guarantee the Concentricity tolerance of camera lens in the burnt process of fine setting, guarantee the camera lens picture element.2, make the focusing campaign of focus adjusting mechanism be transformed into axially-movable by guide pin 11, stop camera lens, guarantee the picture element requirement in the focusing process because of the concentricity variation that circular motion produced exerts an influence to the camera lens picture element by circular motion.
Described for satisfying the requirement of optical system focussing distance 0.3mm, the position of 0.5mm is reserved body tube 1 and focusing connection seat 9 in design in the front and back of light hurdle rotating ring retaining nail 13, promptly on body tube 1 and focusing coupling ring 9, mill out the sipes of 4mm, when guaranteeing that promptly action is focused in assurance again easy to process, each mechanical part is not interfered.Light hurdle rotating ring 12 connects with body tube 1 and adopts snap ring to fix, and guarantees easy to assemblyly, and the light modulation action is stablized, no clamping stagnation.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (7)
1. high light power 5,000,000 pixel camera camera lenses, comprise body tube, it is characterized in that: along the light path incident direction focal power being set respectively in the described body tube is positive back mirror group B for negative preceding mirror group A, iris C and focal power, described body tube is provided with focus adjusting mechanism and dimming mechanism, described body tube inner ring front threads is connected with the preceding microscope base in order to mirror group A before settling, and the rear portion flange is connected with in order to settle the back microscope base of back mirror group B; Described focus adjusting mechanism comprises with the positive thread in body tube outer ring and is connected focusing mount, described focusing mount outer ring also is provided with the focusing connection seat that negative thread connects, described focusing mount also is connected with the focusing regulating ring of being located at its outer ring by jackscrew, offer line channel on the described focusing connection seat inner ring, lay the end in the described line channel and be connected guide pin on the body tube; Described dimming mechanism comprises the light hurdle rotating ring of being located on the microscope base outer ring, back, described smooth hurdle rotating ring one end is connected with light hurdle rotating ring snap ring on being connected to the body tube inner ring, the light hurdle rotating ring retaining nail of the other end through running through focusing connection seat and body tube is connected, and described smooth hurdle rotating ring retaining nail drives by being located at the light hurdle regulating ring of regulating the connection seat outer ring.
2. high light power 5,000,000 pixel camera camera lenses according to claim 1, it is characterized in that: mirror group A is made of positive selenodont lens A-1, plano-convex lens A-2 and negative crescent lens A-3 before described, and the gummed group that gummed group, biconvex lens B-3, biconvex lens B-4, negative crescent lens B-5 and the biconvex lens B-6 that described back mirror group B is connected airtight by biconcave lens B-1 and biconvex lens B-2 connects airtight constitutes.
3. high light power 5,000,000 pixel camera camera lenses according to claim 1 and 2, it is characterized in that: the leading section of microscope base is threaded in order to the trim ring A of mirror group A before fixing before described, the back segment portion of described back microscope base is threaded in order to the trim ring B of fixing back mirror group B, be provided with spacer ring between described positive selenodont lens A-1 and the plano-convex lens A-2, be provided with spacer ring between gummed group that described biconcave lens B-1 and biconvex lens B-2 connect airtight and the biconvex lens B-3, be provided with spacer ring between described biconvex lens B-3 and the biconvex lens B-4, be provided with spacer ring between the gummed group that described biconvex lens B-4 and negative crescent lens B-5 and biconvex lens B-6 connect airtight.
4. high light power 5,000,000 pixel camera camera lenses according to claim 1 is characterized in that: described focusing connection seat rear end face also is connected with the Connection Block of sealing focus adjusting mechanism and dimming mechanism.
5. high light power 5,000,000 pixel camera camera lenses according to claim 1 is characterized in that: described focusing regulating ring and regulating ring outer ring, light hurdle also are provided with rubber ring.
6. high light power 5,000,000 pixel camera camera lenses according to claim 1, it is characterized in that: be respectively equipped with on described focusing regulating ring and the light hurdle regulating ring in order to the focusing lock of locking focusing regulating ring and light hurdle regulating ring and mark closely and light hurdle locking nail, but described focusing lock is marked closely an end apical grafting with light hurdle locking nail on the focusing connection seat.
7. high light power 5,000,000 pixel camera camera lenses according to claim 1 and 2 is characterized in that: be spaced apart 3.57mm before described between mirror group A and the iris C, described iris C and afterwards be spaced apart 2.08mm between the mirror group B; Airspace among the described preceding mirror group A between positive selenodont lens A-1 and the plano-convex lens A-2 is 0.53mm, and the airspace between described plano-convex lens A-2 and the negative crescent lens A-3 is 1.16mm; Gummed group that biconcave lens B-1 and biconvex lens B-2 connect airtight among the described back mirror group B and the airspace between the biconvex lens B-3 are 0.15mm, airspace between described biconvex lens B-3 and the biconvex lens B-4 is 0.69mm, and the airspace between the gummed group that described biconvex lens B-4 and negative crescent lens B-5 and biconvex lens B-6 connect airtight is 0.51mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201888394U CN202093230U (en) | 2011-06-08 | 2011-06-08 | High-power 5-mega-pixel camera lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201888394U CN202093230U (en) | 2011-06-08 | 2011-06-08 | High-power 5-mega-pixel camera lens |
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| CN202093230U true CN202093230U (en) | 2011-12-28 |
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| CN2011201888394U Expired - Lifetime CN202093230U (en) | 2011-06-08 | 2011-06-08 | High-power 5-mega-pixel camera lens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207601A (en) * | 2011-06-08 | 2011-10-05 | 福建福光数码科技有限公司 | High-aperture 500-million-pixel pick-up lens |
| CN102902045A (en) * | 2012-10-30 | 2013-01-30 | 福建福光数码科技有限公司 | Pick-up lens for high-resolution single group movement industry |
| CN108873231A (en) * | 2018-08-28 | 2018-11-23 | 厦门力鼎光电股份有限公司 | A kind of lens focusing device |
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
-
2011
- 2011-06-08 CN CN2011201888394U patent/CN202093230U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207601A (en) * | 2011-06-08 | 2011-10-05 | 福建福光数码科技有限公司 | High-aperture 500-million-pixel pick-up lens |
| CN102207601B (en) * | 2011-06-08 | 2013-04-24 | 福建福光数码科技有限公司 | High-aperture 500-million-pixel pick-up lens |
| CN102902045A (en) * | 2012-10-30 | 2013-01-30 | 福建福光数码科技有限公司 | Pick-up lens for high-resolution single group movement industry |
| CN102902045B (en) * | 2012-10-30 | 2014-07-09 | 福建福光数码科技有限公司 | Pick-up lens for high-resolution single group movement industry |
| CN108873231A (en) * | 2018-08-28 | 2018-11-23 | 厦门力鼎光电股份有限公司 | A kind of lens focusing device |
| CN108873231B (en) * | 2018-08-28 | 2023-10-24 | 厦门力鼎光电股份有限公司 | Lens focusing device |
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20111228 Effective date of abandoning: 20130424 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20111228 Effective date of abandoning: 20130424 |
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| RGAV | Abandon patent right to avoid regrant |