CN206039015U - Automatic high resolution who adjusts luminance passes through fog by force and zooms camera lens - Google Patents

Abstract

The utility model relates to an automatic high resolution who adjusts luminance passes through fog by force and zooms camera lens, the optical structure of camera lens includes that the focal power that sets up along light incidence direction interval in proper order is the positive A of preceding fixed lens group, variable -power lens set B, the focal power that the focal power is the burden is the positive E of back fixed lens group for the C of compensating lens group, iris diaphragm D and the focal power of bearing, the mechanical structure of camera lens includes the square cabin body, and the front end of the cabin body and rear end have the fixed subassembly of a lens hood and CCD through preceding flange with back flange joint respectively, and the front side that the terminal surface just lies in preceding screening glass before the lens hood still approximately is equipped with a lens and covers, the lens lid is uncapped through a manual automatic integrative mechanism controls that uncaps. The utility model has the advantages of the resolution ratio that realizes the camera lens is showing and is improving, can with fine definition's camera adaptation, has improved the camera system and has descended the detection capability to long -distance object at haze climatic conditions such as rain, snow, mists.

Description

The strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter

Technical field

The utility model is related to field of photoelectric technology, more particularly to a kind of strong Penetrating Fog zoom of high-resolution with an automatic light meter is taken the photograph As camera lens.

Background technology

Common pick-up lens is only limitted to the application scenario of general illumination condition, when being applied to the such as haze gas such as rain, snow, mist When under the conditions of time, system detection range seriously will be reduced, and when particularly signal itself is very weak, echo signal can be caused to be submerged in the back of the body In the middle of scape signal, it is impossible to normal to use.In different geographical condition, same region different periods, ambient lighting environment is possible to send out The larger change of life, by the way of electronic shutter light modulation e insufficient to allow picture pick-up device to adapt to environment in some special occasions Change and normal work, need other supplementary modes to carry out with an automatic light meter.In addition, traditional light channel structure is limited in overall volume And light gathering is when requiring higher, the characteristics of also generally existing zoom multiple is little, resolution ratio is not high.

The content of the invention

The purpose of this utility model is for above weak point, there is provided a kind of strong Penetrating Fog of high-resolution with an automatic light meter Zooming camera lens and its control method, are improved the resolution ratio of camera lens, are adapted to the video camera of fine definition, improve shooting system Detectivity of the system under the haze weather conditions such as rain, snow, mist to distant object.

The utility model solves the scheme that adopted of technical problem：A kind of strong Penetrating Fog zoom of high-resolution with an automatic light meter Pick-up lens, the optical texture of the camera lens include that along light incident direction successively spaced focal power be positive front fixation It is negative offset lens group C, iris diaphgram D and focal power for just that lens group A, focal power are negative Zoom lens group B, focal power Rear fixed lens group E；Front fixed lens group A by along light incident direction successively spaced biconvex lens A-1, just Crescent moon lens A-2, negative crescent moon lens A-3 and positive crescent moon lens A-4 compositions；Zoom lens group B is by along light incident direction The gluing unit composition of biconcave lens B-1 and positive crescent moon lens B-2 and biconcave lens B-3 contiguity；Offset lens group C is by the first month of the lunar year The gluing unit composition of tooth lens C-1 and biconcave lens C-2 contiguity；Rear fixed lens group E include along light incident direction according to Gluing unit that center attenuator E-1 that minor tick is arranged, biconvex lens E-2, biconvex lens E-3 and concave-concave microscope group E-4 are touched, just Crescent moon lens E-5, colour filter group E-6, Amici prism E-7 and screening glass E-9, rear fixed lens group E also include being arranged at The condenser E-8 of directly over Amici prism or underface.

Further, the airspace between front fixed lens group A and Zoom lens group B is 3.60～58.96mm, Airspace between Zoom lens group B and offset lens group C is 9.82～35.40mm, offset lens group C with it is rear Airspace between fixed lens group E is 2.82～44.32mm.

Further, in front fixed lens group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2 0.2mm, the airspace between positive crescent moon lens A-2 and negative crescent moon lens A-3 is 2.03mm, bear crescent moon lens A-3 with just Airspace between crescent moon lens A-4 is 0.35mm；In Zoom lens group B, biconcave lens B-1 with by positive crescent moon lens Airspace between the gluing unit of B-2 and biconcave lens B-3 contiguity is 1.25mm；In rear fixed lens group E, middle heart failure It is 2.2mm to subtract airspace between piece E-1 and biconvex lens E-2, biconvex lens E-2 with by biconvex lens E-3 and biconcave mirror Airspace between the gluing unit of group E-4 contiguity is 0.2mm, the gluing unit touched by biconvex lens E-3 and concave-concave microscope group E-4 With the airspace between positive crescent moon lens E-5 be 0.1mm, the airspace between positive crescent moon lens E-5 and colour filter group E-6 For 5mm, the airspace between colour filter E-6 groups and Amici prism E-7 is 5mm, between Amici prism E-7 and condenser E-8 Airspace be 4mm, between condenser E-8 and screening glass E-9 airspace be 4mm.

Further, the positive crescent moon lens A-2, positive crescent moon lens A-4 are made up of ED material H-FK61；It is described Colour filter group E-6 operation wavelength is 750nm～900nm；The center transmitance of the center attenuator E-1 is 15%.

Further, the frame for movement of the camera lens includes the square nacelle for housing the optical texture of camera lens, described Premenstrual flange and rear flange are connected with a light shield and CCD fixation kits respectively for the front-end and back-end of nacelle, the light shield The rear end face of front end face and nacelle is vertically provided with the front screening glass and rear screening glass for realizing nacelle right-left seal respectively, described Mono- fixed mounts of CCD fixation kits Jing are connected with rear flange；The nacelle upper end also mono- dividing plates of Jing separate in an electronic compartment, the electricity A control board is provided with sub- cabin；The light shield front end face and a lens cover is also covered with positioned at the front side of front screening glass, The cap-opening mechanism control of mono- Manual-automatic integrateds of lens cover Jing is uncapped, and the cap-opening mechanism and the control board are electric Even.

Further, the cap-opening mechanism is included a cursor being fixedly connected with the lens cover, is rotated for driving The worm screw of the turbine of arm and the turbine fit engagement and it is connected to drive uncapping for worm screw with the worm screw one end fits Motor, the motor of uncapping are electrically connected with the control board, and the worm screw other end is also fixedly connected with one for turning manually Dynamic handwheel.

Further, front fixed lens group A, Zoom lens group B, offset lens group C, iris diaphgram D and rear fixation Lens group E is arranged at intervals in a body tube successively along incident direction, and the body tube Jing is located at the adpting flange of front end and position Auxiliary support frame in rear end is connected with the nacelle inwall；The front portion of the body tube is provided with a focus adjusting mechanism, described Focus adjusting mechanism includes being sheathed on front group of lens barrel at front fixed lens group A, front mono- focusing mounts of group lens barrel Jing and the primary mirror Cylinder coordinates and is flexibly connected, be arranged with a focusing ring on the outside of the body tube, and Jing's focusing ring is connected with body tube respectively Group lens barrel cooperation before right-handed thread and the left hand thread being connected with front group of lens barrel are driven is focused, and the focusing ring Jing mono- is adjusted Burnt Motor drive rotation, is provided with the gear being meshed with the focusing motor, is also opened up on the body tube in the focusing ring There is the slotted eye for installing two focusing microswitches and focusing motor, on the focusing mount, be also circumferentially uniformly laid with three Focusing guide pin；The focusing motor is electrically connected with the control board.

Further, colour filter group E-6 is made up of four colour filters and colour filter disk, and four colour filters pass through trim ring On colour filter disk, mono- columns of colour filter disk Jing are fixed on the body tube, mono- colour filters of colour filter disk Jing Piece Motor drive, the colour filter group also include the Hall element for position color filter, and the Hall element is fixed on described On column；The colour filter motor is electrically connected with the control board.

Further, the mono- Amici prism mechanisms of Amici prism E-7 Jing are fixed, and the Amici prism mechanism includes a use In the prismatic specular seat of fixed Amici prism E-7, the prismatic specular seat is fixed with Amici prism fixed mount, and Amici prism is fixed Frame is fixed by screws in body tube inwall；The mono- condenser mechanisms of condenser E-8 Jing are fixed, and the condenser mechanism includes Phototriode for fixing the two light path optically focused microscope bases of condenser E-8, phototriode and for fixing phototriode Seat, the phototriode upper and lower surface are respectively equipped with insulating trip, mono- or two light path optically focused microscope base spiral shells of the phototriode base Jing Line is connected in the upside or downside of prismatic specular seat.

Further, the CCD fixation kits Jing fixing screws are arranged above a supporting plate, and the supporting plate is fixed on described On fixed mount, above the CCD fixation kits, mono- cover plates of Jing are compressed, and the CCD fixation kits upper and lower end face is respectively equipped with Insulation board, is also arranged with insulation swivel nut in the fixing screws.

Compared with prior art, the utility model has following beneficial effect：First by camera lens and Jing CCD fixation kits with take the photograph Camera cooperation is imaged, and is adapted to the video camera of fine definition；Camera system is improve in the haze weather such as rain, snow, mist Under the conditions of detectivity to distant object；Ambient light illumination is detected by Amici prism and condenser, and according to testing result Switch corresponding colour filter, attenuator, with reference to aperture diaphragm, realize the automatic dimming function of wide dynamic range；Whole camera lens knot Structure is compact, small volume.Realize either automatically or manually uncapping by cap-opening mechanism or close lid；By Motor drive focusing ring reality of focusing Now focus, drive colour filter disk to realize the switching of colour filter in colour filter group E-6 by colour filter motor, while by Hall unit Part feeds back the position of position color filter.

Description of the drawings

Below in conjunction with the accompanying drawings the utility model patent is further illustrated.

Structural representations of the Fig. 1 for the lens optical structure of the utility model embodiment.

Structural representations of the Fig. 2 for the camera lens frame for movement of the utility model embodiment.

Installation diagrams of the Fig. 3 for the lens optical structure and frame for movement cooperation of the utility model embodiment.

Structural representations of the Fig. 4 for the focus adjusting mechanism of the utility model embodiment.

Structural representations of the Fig. 5 for the zoom mechanism of the utility model embodiment.

Focal length positioning schematic diagrames of the Fig. 6 for the zoom mechanism of the utility model embodiment.

Structural representations of the Fig. 7 for the colour filter group of the utility model embodiment.

Structural representations of the Fig. 8 for the Amici prism mechanism and condenser mechanism of the utility model embodiment.

In figure：1- nacelles；2- light shields；3-CCD fixation kits；30- cover plates；31- supporting plates；32- insulation boards；33- insulate Swivel nut；34- fixed mounts；4- forward flanges；5- rear flanges；6- dividing plates；7- control boards；8- lens covers；9- cap-opening mechanisms；90- Cursor；91- turbines；92- worm screws；93- uncaps motor；94- handwheels；10- body tubes；100- adpting flanges；101- auxiliary Support；Screening glass before 11-；Screening glass after 12-；13- focus adjusting mechanisms；130- focusing motors；131- focusing microswitches；Before 132- Group lens barrel；133- focusing mounts；134- focusing rings；135- focusing guide pins；14- zoom mechanisms；140- zoom motors；141- zooms are convex Wheel；142- zoom positioning tubes；143- magnet steel；144- guide rods；145- zoom guide pins；146 compensation guide pins；147- short focus positioning groups Part；Burnt positioning component in 148-；149- focal length positioning components；15- colour filter disks；150- colour filter motors；151- Hall elements； 152- columns；16- Amici prisms mechanism；160- Amici prism fixed mounts；161- prismatic specular seats；Bis- light path condensers of 162- Seat；17- condensers mechanism；170- insulating trips；171- phototriodes；172- phototriode bases；Bis- light path condensers of 173- Seat.

Specific embodiment

With reference to the accompanying drawings and detailed description the utility model is further illustrated.

As shown in figure 1, a kind of strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter, the optical texture of the camera lens Including along light incident direction successively spaced focal power be positive front fixed lens group A, focal power be that negative zoom is saturating It is positive rear fixed lens group E that microscope group B, focal power are negative offset lens group C, iris diaphgram D and focal power；It is fixed before described Lens group A is by along light incident direction successively spaced biconvex lens A-1, positive crescent moon lens A-2, negative crescent moon lens A-3 Constitute with positive crescent moon lens A-4；Zoom lens group B is by along light incident direction biconcave lens B-1 and positive crescent moon lens B-2 With the gluing unit composition of biconcave lens B-3 contiguity；Offset lens group C is touched by positive crescent moon lens C-1 and biconcave lens C-2 Gluing unit composition；Rear fixed lens group E include along light incident direction successively spaced center attenuator E-1, Biconvex lens E-2, biconvex lens E-3 and concave-concave microscope group E-4 contiguity gluing unit, positive crescent moon lens E-5, colour filter group E-6, point Light prism E-7 and screening glass E-9, rear fixed lens group E also include being arranged at directly over Amici prism or underface it is poly- Light microscopic E-8.

From the foregoing, the beneficial effects of the utility model are：It is that positive front fixed lens group A is improved by focal power The brightness of light, using Zoom lens group B and offset lens group C, significantly reduces the aberration of optical lens second order spectrum, makes The resolution ratio of camera lens is significantly improved, and reaches mega pixel, can be adapted to the video camera of fine definition, be improve camera system and exist The haze such as rain, snow, mist weather conditions descend the detectivity to distant object；Examined by Amici prism E-7 and condenser E-8 Ambient light illumination is surveyed, and corresponding colour filter, attenuator are switched according to testing result, with reference to aperture diaphragm, realize wide dynamic range Automatic dimming function；And the optical texture of eyeglass is compact, it is easy to assembling.

In the present embodiment, the airspace between front fixed lens group A and Zoom lens group B be 3.60～ 58.96mm, the airspace between Zoom lens group B and offset lens group C is 9.82～35.40mm, and the compensation is saturating Airspace between microscope group C and rear fixed lens group E is 2.82～44.32mm.

In the present embodiment, in front fixed lens group A, the air between biconvex lens A-1 and positive crescent moon lens A-2 Interval is 0.2mm, and the airspace between positive crescent moon lens A-2 and negative crescent moon lens A-3 is 2.03mm, bears crescent moon lens A-3 It is 0.35mm with the airspace between positive crescent moon lens A-4；In Zoom lens group B, biconcave lens B-1 with by positive crescent moon Airspace between the gluing unit of lens B-2 and biconcave lens B-3 contiguity is 1.25mm；In rear fixed lens group E, in Airspace between heart attenuator E-1 and biconvex lens E-2 be 2.2mm, biconvex lens E-2 with by biconvex lens E-3 and pair Airspace between the gluing unit of concave mirror group E-4 contiguity is 0.2mm, the glue touched by biconvex lens E-3 and concave-concave microscope group E-4 The charge-coupled airspace between positive crescent moon lens E-5 be 0.1mm, the air between positive crescent moon lens E-5 and colour filter group E-6 At intervals of 5mm, the airspace between colour filter E-6 groups and Amici prism E-7 is 5mm, Amici prism E-7 and condenser E-8 Between airspace be 4mm, between condenser E-8 and screening glass E-9 airspace be 4mm.

In the present embodiment, the positive crescent moon lens A-2, positive crescent moon lens A-4 are made up of ED material H-FK61； The colour filter group E-6 operation wavelength is 750nm～900nm；The center transmitance of the center attenuator E-1 is 15%.

As Figure 2-3, in the present embodiment, the frame for movement of the camera lens includes the optical texture for housing camera lens Square nacelle 1, premenstrual flange 4 and rear flange 5 are connected with a light shield 2 and CCD is solid respectively for the front-end and back-end of the nacelle 1 Determine component 3, the front end face of the light shield 2 and nacelle 1 rear end face be vertically provided with respectively and realize 1 right-left seal of nacelle before Screening glass 11 and rear screening glass 12,3 Jing of CCD fixation kits, mono- fixed mounts are connected with rear flange 5；1 upper end of the nacelle is also Mono- dividing plates of Jing 6 separate in an electronic compartment, are provided with a control board 7 in the electronic compartment；2 front end face of the light shield and it is located at The front side of front screening glass 11 is also covered with a lens cover 8, and the cap-opening mechanism 9 of 8 Jing of the lens cover, mono- Manual-automatic integrateds is controlled Uncap, the cap-opening mechanism 9 is electrically connected with the control board 7.Realized by front screening glass 11 and rear screening glass 12 airtight.

In the present embodiment, the cap-opening mechanism 9 is included a cursor 90 being fixedly connected with the lens cover 8, is used for Drive cursor 90 turbine 91, and 91 fit engagement of the turbine worm screw 92 and be connected with 92 one end fits of the worm screw For driving the motor 93 of uncapping of worm screw 92, the motor 93 of uncapping to be electrically connected with the control board 7, the worm screw 92 is another End be also fixedly connected with one for manually rotation handwheel 94.Automatically worm screw or handwheel 94 is driven to drive by motor 93 of uncapping Worm screw 92, realizes automatic lid closing/opening or manual opening cover, and folding angle of uncapping is 90 °.

As shown in figure 4, in the present embodiment, front fixed lens group A, Zoom lens group B, offset lens group C, variable Diaphragm D and rear fixed lens group E are arranged at intervals in a body tube 10 successively along incident direction, and 10 Jing of the body tube is located at front The adpting flange 100 at end and the auxiliary support frame 101 positioned at rear end are connected with 1 inwall of the nacelle；The body tube 10 Front portion be provided with a focus adjusting mechanism 13, the focus adjusting mechanism 13 includes being sheathed on front group of lens barrel 132 at front fixed lens group A, Before described, 132 Jing of group lens barrel, mono- focusing mounts 133 are coordinated with the body tube 10 and are flexibly connected, and are arranged with the outside of the body tube 10 One focusing ring 134, the right-handed thread that Jing is connected with body tube 10 respectively of the focusing ring 134 and is connected with front group of lens barrel 132 The group cooperation of lens barrel 132 before the left hand thread for connecing drives is focused, and the focusing motors 130 of 134 Jing of the focusing ring mono- drive rotation, The gear being meshed with the focusing motor 130 is provided with the focusing ring 134, is further opened with for pacifying on the body tube 10 The slotted eye of two focusing microswitches 131 and focusing motor 130 is filled, three on the focusing mount 133, are also circumferentially uniformly laid with Individual focusing guide pin 135；The focusing motor 130 is electrically connected with the control board 7.When motor 130 of focusing is powered, rotor does Forward and reverse motion, the gear focused on motor 130 drive focusing ring 134 to make forward and reverse motion by engaging, and focusing ring 134 passes through The left hand thread that the right-handed thread that is connected with body tube 10 and front group of lens barrel 132 are connected drive before group lens barrel 132, and three Make forward and reverse linear motion in the presence of individual uniform focusing guide pin 135, so as to front fixed lens group A for driving camera lens is just done Reverse linear motion, realizes the purpose of focusing.Organize before the focus adjusting mechanism 13 at lens barrel 132 and 10 cooperation of body tube and open up one Deep gouge, to reduce mating surface, reduces friction, reduces the torque needed for focusing motor 130, while not affecting focusing accuracy.

As seen in figs. 5-6, the body tube 10 is located at Zoom lens group B and offset lens group C and is additionally provided with a change automatically Focusing mechanism 14, realizes the electronic switching zoom of f50mm, f200mm, f300mm third gear focal length, the change by autozoom mechanism 14 Times lens group B and offset lens group C are arranged on a zoom seat and compensation seat, and the zoom seat and compensation seat are installed in up and down It is symmetricly set on the guide rod 144 in body tube 10, the guide rod 144 is fixed on body tube 10 by cam cover, zoom Cam 141 is placed on body tube 10 by front accurate steel balls and rear accurate steel balls, and is compressed with 141 trim ring of zoom cam, shape Into rolling bearing structure, sliding friction when zoom cam 141 is rotated is changed into rolling friction, to reduce zoom cam 141 Frictional force during motion.The zoom cam 141 processes two zooms, compensated curves by the requirement of the optical zoom equation of motion Groove, is coupled zoom cam 141 with zoom guide pin 145 and compensation guide pin 146 respectively with Zoom lens group B and offset lens group C Together, the fit clearance of strict 145 component of control zoom guide pin and compensation guide pin 146 and two curved grooves, it is ensured that zoom is saturating Microscope group B and offset lens group C are slided steadily comfortably, without clamping stagnation.

V-type groove is milled with 141 external cylindrical surface of zoom cam and is positioned for focal length, caused according to the short focus that optics is given The middle burnt cam anglec of rotation is 120 °, and the middle burnt cause focal length anglec of rotation is 40 °, in the external cylindrical surface of the light bar seat of iris diaphgram D Deep 6 screwed holes of three groups of 2-M3 are provided with, for fixing cam orientation component, respectively short focus positioning component 147（f50mm）, in Burnt positioning component 148（f200mm）, focal length positioning component 149（f300）, third gear cam orientation component is designed with zoom positioning tube 142, spring, locating shaft, spring pressuring ring is inside provided with, is moved up and down by torsional spring trim ring adjustable positioning shaft elastic；Positioning Axle lower end sphere is close to cam, and upper end is contacted with zoom microswitch plectrum, and zoom microswitch plectrum passes through microswitch Fixed plate is screwed on 142 fixed mount of zoom positioning tube, and 142 fixed mount upper bolt aperture of zoom positioning tube is 2 words Elongated slot, is capable of achieving zoom microswitch and adjusts up and down, it is ensured that zoom microswitch plectrum switch is smooth.When zoom cam 141 revolves Turn locating shaft when spring locating shaft reaches predetermined focal distance to be fallen in cam V-groove under the action of the spring, zoom microswitch is dialled Piece disconnects, motor power-off, realizes that focal length is positioned.When focal length needs to switch again, started by driving zoom motor 140, band Dynamic zoom cam 141 is rotated, and makes focal length variations.Yi word pattern screw fixing groove is designed on 142 fixed mount of zoom positioning tube, and is stayed Having, to ensure the accuracy and repeatability of focal length.

Magnet steel 143 is designed with the zoom cam 141, is designed with what is arranged by optics given angle above body tube 10 Three Hall elements 151, respectively short focus Hall element 151 in place, middle burnt Hall element 151 in place, focal length Hall unit in place Part 151；When zoom cam 141 rotates to focal length or short focus, control board 7 receives corresponding short focus, middle burnt or focal length The signal in place of Hall element 151, makes zoom motor 140 receive backward voltage, and zoom cam 141 is inverted, i.e. 141, zoom cam Can be swung back and forth between f50mm, f200mm or f300mm third gear focal length rotation, it is ensured that the continuity of focal length conversion.

As shown in fig. 7, in the present embodiment, colour filter group E-6 is made up of four colour filters and colour filter disk 15, four Piece colour filter is arranged on colour filter disk 15 by trim ring, and 15 Jing of colour filter disk, mono- columns 152 are fixed on the body tube On 10,15 Jing of colour filter disk, the mono- colour filter motors 150 drive, and the colour filter group is also included for position color filter suddenly That element 151, the Hall element 151 are fixed on the column 152；The colour filter motor 150 and the control circuit Plate 7 is electrically connected.Gap between suitable control column 152 and colour filter disk 15, makes colour filter disk 15 rotate smooth, by colour filter Motor 150 drives colour filter disk 15 to realize colour filter handoff functionality, and colour filter is located through 151 feedback position signal of Hall element Realize.

As shown in figure 8, in the present embodiment, the mono- Amici prism mechanisms of Amici prism E-7 Jing are fixed, the light splitting rib Illuminating apparatus structure 16 includes one for fixing the prismatic specular seat 161 of Amici prism E-7, the prismatic specular seat 161 and Amici prism Fixed mount 160 is fixed, and Amici prism fixed mount 160 is fixed by screws in 10 inwall of body tube；The condenser E-8 Jing mono- gather Light microscopic mechanism 17 is fixed, and the condenser mechanism includes the two light path optically focused microscope bases 173, photoelectricity three for fixing condenser E-8 Pole pipe 171 and the phototriode seat 172 for fixing phototriode 171,171 upper and lower surface of phototriode difference Insulating trip 170 is provided with, the threaded connection of 172 Jing of phototriode base, mono- or two light path optically focused microscope bases 173 is arranged at Amici prism The upside or downside of seat 161.Phototriode base 172 is overall to be threadedly coupled with two light path optically focused microscope bases 173, and upper-lower position can Adjust, it is ensured that phototriode 171 is arranged on the imaging surface of two light paths.Environment is detected by Amici prism E-7 and condenser E-8 Illumination, and corresponding colour filter, attenuator are switched according to testing result, with reference to aperture diaphragm, realize the automatic of wide dynamic range Dimming function.Video camera is made to insulate with camera lens by the swivel nut that insulate, it is ensured that video frequency output is interference-free.Photoelectric device in Fig. 1 For phototriode 171.

In the present embodiment, 3 Jing fixing screws of the CCD fixation kits are arranged above a supporting plate 31, and the supporting plate is solid On the fixed mount 34,3 top of CCD fixation kits, one cover plate 30 is compressed, and on the CCD fixation kits 3 Lower surface is respectively equipped with insulation board 32, is also arranged with insulation swivel nut 33 in the fixing screws.

When camera lens is used, camera lens is coordinated with video camera with Jing CCD fixation kits 3 imaged first；During shooting, pass through Amici prism E-7 and condenser E-8 detection imaging environment illumination, and it is corresponding according to the switching of the testing result of imaging environment illumination Colour filter group E-6, center attenuator E-1, with reference to aperture diaphragm, realize with an automatic light meter.

In sum, the strong Penetrating Fog zooming camera lens of high-resolution a kind of with an automatic light meter that the utility model is provided, carry The resolution ratio of high camera lens, is adapted to the video camera of fine definition, improves camera system in the haze weather bar such as rain, snow, mist Detectivity under part to distant object.

The above-listed preferred embodiment that the utility model is provided, is carried out to the purpose of this utility model, technical scheme and advantage Further describe, it is be should be understood that the foregoing is only preferred embodiment of the present utility model, not to The utility model is limited, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc., Should be included within protection domain of the present utility model.

Claims (10)

1. strong Penetrating Fog zooming camera lens of a kind of high-resolution with an automatic light meter, it is characterised in that：The optical texture of the camera lens Including along light incident direction successively spaced focal power be positive front fixed lens group A, focal power be that negative zoom is saturating It is positive rear fixed lens group E that microscope group B, focal power are negative offset lens group C, iris diaphgram D and focal power；It is fixed before described Lens group A is by along light incident direction successively spaced biconvex lens A-1, positive crescent moon lens A-2, negative crescent moon lens A-3 Constitute with positive crescent moon lens A-4；Zoom lens group B is by along light incident direction biconcave lens B-1 and positive crescent moon lens B-2 With the gluing unit composition of biconcave lens B-3 contiguity；Offset lens group C is touched by positive crescent moon lens C-1 and biconcave lens C-2 Gluing unit composition；Rear fixed lens group E include along light incident direction successively spaced center attenuator E-1, Biconvex lens E-2, biconvex lens E-3 and concave-concave microscope group E-4 contiguity gluing unit, positive crescent moon lens E-5, colour filter group E-6, point Light prism E-7 and screening glass E-9, rear fixed lens group E also include being arranged at directly over Amici prism or underface it is poly- Light microscopic E-8.

2. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 1, it is characterised in that：It is described Airspace between front fixed lens group A and Zoom lens group B is 3.60～58.96mm, Zoom lens group B and compensation Airspace between lens group C is 9.82～35.40mm, the air between offset lens group C and rear fixed lens group E Interval is 2.82～44.32mm.

3. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 1 and 2, it is characterised in that： In front fixed lens group A, the airspace between biconvex lens A-1 and positive crescent moon lens A-2 is 0.2mm, and positive crescent moon is saturating Airspace between mirror A-2 and negative crescent moon lens A-3 is 2.03mm, is born between crescent moon lens A-3 and positive crescent moon lens A-4 Airspace is 0.35mm；In Zoom lens group B, biconcave lens B-1 with by positive crescent moon lens B-2 and biconcave lens B-3 Airspace between the gluing unit of contiguity is 1.25mm；In rear fixed lens group E, center attenuator E-1 and lenticular Airspace between mirror E-2 is 2.2mm, biconvex lens E-2 and the gluing touched by biconvex lens E-3 and concave-concave microscope group E-4 Airspace between group is 0.2mm, by the gluing unit and positive crescent moon lens E-5 of biconvex lens E-3 and concave-concave microscope group E-4 contiguity Between airspace be 0.1mm, the airspace between positive crescent moon lens E-5 and colour filter group E-6 be 5mm, colour filter E-6 Airspace between group and Amici prism E-7 is 5mm, and the airspace between Amici prism E-7 and condenser E-8 is 4mm, Between condenser E-8 and screening glass E-9, airspace is 4mm.

4. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 1, it is characterised in that：It is described Positive crescent moon lens A-2, positive crescent moon lens A-4 are made up of ED material H-FK61；The colour filter group E-6 operation wavelength is 750nm～900nm；The center transmitance of the center attenuator E-1 is 15%.

5. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 1, it is characterised in that：It is described The frame for movement of camera lens includes the square nacelle for housing the optical texture of camera lens, the front-end and back-end difference Jing of the nacelle Forward flange and rear flange are connected with the rear end face of a light shield and CCD fixation kits, the front end face of the light shield and nacelle Vertically be provided with the front screening glass and rear screening glass for realizing nacelle right-left seal respectively, mono- fixed mounts of CCD fixation kits Jing with Rear flange connects；The nacelle upper end also mono- dividing plates of Jing separate in an electronic compartment, are provided with a control board in the electronic compartment； The light shield front end face and a lens cover is also covered with positioned at the front side of front screening glass, the lens cover Jing mono- manually automatic The cap-opening mechanism control of body is uncapped, and the cap-opening mechanism is electrically connected with the control board.

6. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 5, it is characterised in that：It is described Cap-opening mechanism includes that one is matched somebody with somebody with the cursor that the lens cover is fixedly connected, the turbine for driving cursor and the turbine Close the worm screw of engagement and be connected to drive the motor of uncapping of worm screw, motor and the institute of uncapping with the worm screw one end fits State control board to be electrically connected, the worm screw other end be also fixedly connected with one for manually rotation handwheel.

7. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 5, it is characterised in that：It is described Front fixed lens group A, Zoom lens group B, offset lens group C, iris diaphgram D and rear fixed lens group E along incident direction successively It is arranged at intervals in a body tube, the body tube Jing is located at the adpting flange of front end and the auxiliary support frame positioned at rear end and institute State nacelle inwall to be connected；The front portion of the body tube is provided with a focus adjusting mechanism, and the focus adjusting mechanism is solid before including being sheathed on Front group of lens barrel at fix-focus lens group A, front mono- focusing mounts of group lens barrel Jing are flexibly connected with body tube cooperation, the primary mirror Cylinder outside is arranged with a focusing ring, the focusing ring right-handed thread that Jing is connected with body tube respectively and is connected with front group of lens barrel Group lens barrel cooperation before the left hand thread for connecing drives is focused, the focusing of the focusing ring Jing mono- Motor drive rotation, the focusing The gear being meshed with the focusing motor is provided with ring, is further opened with opening for installing two focusing fine motions on the body tube Pass and the slotted eye of motor of focusing, are also circumferentially uniformly laid with three focusing guide pins on the focusing mount；It is described focusing motor with The control board is electrically connected.

8. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 7, it is characterised in that：It is described Colour filter group E-6 is made up of four colour filters and colour filter disk, and four colour filters are arranged on colour filter disk by trim ring, described Mono- columns of colour filter disk Jing are fixed on the body tube, the mono- colour filter Motor drives of colour filter disk Jing, the colour filter Group also includes the Hall element for position color filter, and the Hall element is fixed on the column；The colour filter motor It is electrically connected with the control board.

9. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 7, it is characterised in that：It is described Mono- Amici prism mechanisms of Amici prism E-7 Jing are fixed, and the Amici prism mechanism includes one for fixing dividing for Amici prism E-7 Light prism table, the prismatic specular seat are fixed with Amici prism fixed mount, and Amici prism fixed mount is fixed by screws in primary mirror Cylinder inwall；The mono- condenser mechanisms of condenser E-8 Jing are fixed, and the condenser mechanism is included for fixing condenser E-8's Two light path optically focused microscope bases, phototriode and the phototriode seat for fixing phototriode, on the phototriode Lower two sides is respectively equipped with insulating trip, and the threaded connection of mono- or two light path optically focused microscope bases of the phototriode base Jing is arranged at Amici prism The upside or downside of seat.

10. strong Penetrating Fog zooming camera lens of high-resolution with an automatic light meter according to claim 5, it is characterised in that：Institute State CCD fixation kit Jing fixing screws to be arranged above a supporting plate, the supporting plate is fixed on the fixed mount, the CCD is solid Determine mono- cover plates of Jing above component to compress, and the CCD fixation kits upper and lower end face is respectively equipped with insulation board, the fixing screws On be also arranged with insulation swivel nut.