CN108040195B - Fog-penetrating television system based on continuous zoom lens - Google Patents
Fog-penetrating television system based on continuous zoom lens Download PDFInfo
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- CN108040195B CN108040195B CN201711331282.3A CN201711331282A CN108040195B CN 108040195 B CN108040195 B CN 108040195B CN 201711331282 A CN201711331282 A CN 201711331282A CN 108040195 B CN108040195 B CN 108040195B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Abstract
The invention discloses a fog-penetrating television system based on a continuous zoom lens, which belongs to the related technical field of photoelectric technology, and is characterized in that a fog-penetrating lens module, a high-definition camera module, a fog-penetrating enhancement module, a driving module and an image processing module are arranged to work in a matching and connecting manner, the driving module drives the fog-penetrating lens module to zoom continuously under the control of the image processing module so as to image a collected picture, the high-definition camera module receives an instruction of the image processing module, then carries out camera shooting collection on the collected picture and sends the collected picture to the fog-penetrating enhancement module for sharpening, and the fog-penetrating enhancement module sends the collected picture after being processed to the image processing module and sends a collected picture code out by the image processing module so as to finish the collection of picture images. The fog-penetrating television system based on the continuous zoom lens is simple and portable in structure and easy to operate and control, not only ensures the accuracy and efficiency of image acquisition of the fog-penetrating television system, but also greatly improves the environmental applicability and compatibility of the fog-penetrating television system.
Description
Technical Field
The invention belongs to the technical field related to the photoelectric technology, and particularly relates to a fog-penetrating television system based on a continuous zoom lens.
Background
With the continuous development of television imaging technology, the zoom lens has been widely applied to the technical fields of television guidance, photoelectric reconnaissance and the like, in the television imaging process, the zoom lens plays an important role, can clearly image targets with different distances and sizes in a certain range, when the targets need to be searched or observed, a short-focus large view field is generally adopted, and when the targets need to be observed and tracked in detail, a long-focus small view field is generally adopted, but in the view field conversion process, in order to prevent the observed targets from disappearing, a high requirement is required to be put forward on the consistency of the optical axes of the lenses.
In the prior art, infrared imaging or near-infrared television imaging is generally utilized for fog-penetrating imaging, which can realize fog-penetrating imaging of a picture to be acquired to a certain extent, but because the resolution (generally 640 × 512) of a core detector of the infrared imaging is low and the size (generally 17 μm) of a pixel is large, the volume of the whole imaging system is large, the imaging system is not suitable for portable use, and the requirements of ultra-far distance imaging and observation cannot be fully met; although the resolution ratio of the existing commonly used near-infrared television imaging is improved to a certain extent in the case of intersecting infrared imaging, and the pixel size is also reduced to a certain extent, the existing near-infrared television imaging has poor image processing capability and cannot effectively adapt to clear imaging shooting in a complex environment, the application of the existing near-infrared television imaging has great limitation, the problem of poor optical axis consistency exists in the continuous shooting and field-of-view conversion processes, and the imaging quality is greatly influenced.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides a fog-penetrating television system based on a continuous zoom lens, wherein the fog-penetrating lens module, the high-definition camera module, the fog-penetrating enhancement module, the driving module and the image processing module are arranged to work in a matching and connecting mode, the fog-penetrating lens module continuously zooms to realize the clear imaging of image pictures with different fields of view, and the image pictures are further processed by the high-definition camera module and the fog-penetrating enhancement module, so that the definition and the accuracy in the image acquisition process are effectively ensured, and the quality and the efficiency of the image acquisition are improved.
In order to achieve the above object, the present invention provides a fog-penetrating television system based on a zoom lens, which comprises a fog-penetrating lens module capable of realizing clear imaging of a to-be-collected picture through continuous zooming, a high-definition camera module connected with the fog-penetrating lens module and used for taking a picture of the collected picture, a fog-penetrating enhancement module connected with the high-definition camera module and used for receiving the collected picture and performing fog-penetrating processing on the collected picture, an image processing module respectively connected with the high-definition camera module and the fog-penetrating enhancement module, and a driving module respectively connected with the fog-penetrating lens module and the image processing module, and is characterized in that,
the fog-penetrating lens module is a continuous zoom lens and comprises a lens tube which is sequentially provided with an objective lens group, a zoom group and a compensation group, and a zoom tube which is coaxially sleeved on the periphery of the lens tube and corresponds to the zoom group and the compensation group;
the zoom curve groove and the compensation curve groove are respectively two, namely a first zoom curve groove, a second zoom curve groove, a first compensation curve groove and a second compensation curve groove which are oppositely arranged, and the four curve grooves respectively correspond to one zoom straight line groove;
and the lens tube is correspondingly provided with two variable-magnification pin groups and two compensation pin groups, wherein the variable-magnification pin groups are used for sequentially penetrating through the variable-magnification curved groove and the corresponding variable-magnification linear groove from outside to inside in the radial direction and are fixedly connected with the variable-magnification groups by the end parts, the compensation pin group is used for penetrating through the compensation curve groove and the corresponding variable-magnification linear groove from outside to inside in the radial direction and is fixedly connected with the compensation group by the end part, and then the variable-magnification tube is driven to rotate by the driving module, so that the variable-magnification pin group and the compensation pin group relatively move in the corresponding variable-magnification curve groove and the compensation curve groove, and further driving the pin group to move in the linear groove, and driving the zooming group and the compensation group to translate in the axial direction in the lens tube, so as to realize continuous zooming of the fog-penetrating lens module and clear imaging of the collected image.
As a further improvement of the present invention, the second variable-power curved groove is formed by rotating the first variable-power curved groove by 180 ° around the axis of the variable-power pipe.
As a further improvement of the present invention, the second compensation curve groove is formed by rotating the first compensation curve groove by 180 ° around the axis of the zoom tube.
As a further improvement of the invention, the end of the zooming curve groove and the end of the compensation curve groove are respectively separated from the connecting line of the axis of the zooming pipe by 90 degrees.
As a further improvement of the invention, one end of each of the variable-power curved groove and the compensation curved groove, which is deviated from the two side ends of the variable-power pipe, is located on the same radial section of the variable-power pipe.
As a further improvement of the present invention, the lens tube has a focusing linear slot running through the tube wall on the outer circumference of the tube wall thereof in correspondence to the objective lens group, and a focusing assembly capable of being connected with the lens tube in a matching manner is coaxially sleeved on the outer circumference thereof, the outer circumference of the focusing assembly has a focusing curved slot running through the tube wall around the axis thereof, and the focusing curved slot and the focusing linear slot are arranged in correspondence;
and still be provided with focusing pin group, it can be radially from outer to interior pass in proper order focusing curve groove with focusing straight line groove and with its tip with objective lens group fixed connection, then through focusing subassembly's rotation, can drive focusing pin group is in focusing curve groove with it slides in the focusing straight line groove, drive then the objective lens group is in the axial translation of mirror tube realizes continuous zoom lens's fine setting is burnt.
As a further improvement of the invention, the periphery of the focusing assembly is provided with an annular focusing gear along the circumferential direction thereof, and a focusing motor set is arranged corresponding to the annular focusing gear, and an output end gear of the focusing motor set is meshed with the focusing gear in a matching manner to drive the focusing assembly to continuously rotate, so that the continuous micro-zooming of the continuous zoom lens is realized.
As a further improvement of the invention, one end of the zoom tube is circumferentially provided with annular zoom teeth, a zoom motor set is arranged corresponding to the zoom teeth, and a gear at the output end of the zoom motor set is meshed with the zoom teeth in a matching manner to drive the zoom tube to continuously rotate, so that the continuous zooming of the continuous zoom lens is realized.
As a further improvement of the invention, an external control module is also arranged and used for receiving the collected image from the image processing module and generating a corresponding control instruction.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
(1) according to the fog-penetrating television system based on the continuous zoom lens, the continuous zoom lens is used as the fog-penetrating lens module of the system, compared with the existing fog-penetrating imaging equipment, the size is greatly reduced, the portability and the operability of the system are improved, the zoom tube provided with the curved groove is arranged to realize the continuous adjustment of the zoom group and the compensation group in the lens tube, the accuracy of continuous zooming is further improved, the consistency of the optical axes of the zoom group and the compensation group in the field-of-view conversion process of the fog-penetrating television system is ensured, and the environment applicability of the fog-penetrating television system is greatly improved;
(2) according to the fog-penetrating television system based on the continuous zoom lens, the high-definition camera module and the fog-penetrating enhancement module are arranged to perform matching effect, so that the collected image is further subjected to sharpening processing, the image collection definition is further ensured, and the image collection accuracy and efficiency of the fog-penetrating television system are improved;
(3) according to the fog-penetrating television system based on the continuous zoom lens, the zoom motor set is arranged corresponding to the zoom tube, the motor set drives the zoom tube to uniformly rotate, continuous automatic zooming between the zoom set and the compensation set is realized, the focusing motor set is arranged corresponding to the focusing assembly of the objective lens group to realize automatic continuous adjustment of micro-focusing of the objective lens group, the continuity and uniformity of focusing of the continuous zoom lens are effectively guaranteed, and the quality and precision of focusing are further improved;
(4) according to the fog-penetrating television system based on the continuous zoom lens, the zoom motor set and the focusing motor set are driven by the driving module in a unified manner, so that the continuity and the uniformity of continuous zooming are ensured, the efficiency and the accuracy of continuous zooming adjustment of the fog-penetrating television system are improved, the environment adaptability of the fog-penetrating television system is improved, and the fog-penetrating television system can be effectively suitable for various complex application environments;
(5) the fog-penetrating television system based on the continuous zoom lens is simple and portable in structure and easy to operate and control, not only ensures the accuracy of image acquisition of the fog-penetrating television system, but also greatly improves the environmental applicability and compatibility of the fog-penetrating television system, and effectively promotes the development of fog-penetrating image acquisition.
Drawings
FIG. 1 is a system schematic frame diagram of a fog-penetrating television system based on a zoom lens system according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a fog-penetrating television system based on a zoom lens system according to an embodiment of the present invention;
FIG. 3 is a left side view of the system structure of the fog-penetrating television system based on the zoom lens system according to the embodiment of the present invention;
FIG. 4 is a top view of the system structure of the fog-penetrating television system based on the zoom lens system in the embodiment of the present invention;
FIG. 5 is a left side view of a partial structure of a fog-penetrating television system based on a zoom lens system according to an embodiment of the present invention;
fig. 6 is a sectional view of a main structure of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a lens tube of the fog-transparent lens module in the fog-transparent television system in the embodiment of the invention;
fig. 8 is a schematic view of a zoom structure of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the invention;
fig. 9 is a schematic view of an objective lens assembly of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the invention;
fig. 10 is a schematic structural diagram of a zoom group of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a compensation group of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1. the fog-penetrating lens module comprises a lens tube 101, a zoom linear groove 1011 and a focusing linear groove 1012; 102. a zoom tube, 1021, a compensation curve slot, 1022, a zoom curve slot, 1023, a zoom tooth; 103. an objective lens group 1031, a pin group fixing threaded hole; 104. a zoom group 1041, a pin group fixing threaded hole 1042, a lightening hole; 105. the compensation group 1051, the pin group fixing threaded hole 1052, the lightening hole; 107. a focusing motor set, 108, a zoom motor set, 109, a pin set, 1010 and a focusing assembly; 2. the device comprises a high-definition camera module, a fog penetration enhancing module, an image processing module and a driving module, wherein the fog penetration enhancing module is 3, and the image processing module is 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The fog-penetrating television system based on the zoom lens system is shown in fig. 1, and mainly comprises a fog-penetrating lens module 1, a high-definition camera module 2, a fog-penetrating enhancement module 3, an image processing module 4 and a driving module 5, wherein the modules are assembled into the fog-penetrating television system shown in fig. 2 in a preferred embodiment and are preferably connected to an external control module.
Further, the fog-penetrating television system based on the zoom lens system in the preferred embodiment is as shown in FIGS. 2-11, wherein FIG. 2 is a schematic perspective view of the fog-penetrating television system based on the zoom lens system in the embodiment of the present invention; FIG. 3 is a left side view of the system structure of the fog-penetrating television system based on the zoom lens system according to the embodiment of the present invention; FIG. 4 is a top view of the system structure of the fog-penetrating television system based on the zoom lens system in the embodiment of the present invention; FIG. 5 is a left side view of a partial structure of a fog-penetrating television system based on a zoom lens system according to an embodiment of the present invention; fig. 6 is a sectional view of a main structure of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the present invention; fig. 7 is a schematic structural diagram of a lens tube of the fog-transparent lens module in the fog-transparent television system in the embodiment of the invention; fig. 8 is a schematic view of a zoom structure of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the invention; fig. 9 is a schematic view of an objective lens assembly of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the invention; fig. 10 is a schematic structural diagram of a zoom group of a fog-transparent lens module in a fog-transparent television system according to an embodiment of the present invention; fig. 11 is a schematic structural diagram of a compensation group of the fog-transparent lens module in the fog-transparent television system according to the embodiment of the invention.
Further, the fog-transparent lens module 1 in the preferred embodiment is a fog-transparent zoom lens, which preferably includes a lens tube 101, a zoom tube 102, an objective lens group 103, a zoom group 104, a compensation group 105 and a pin group 109 as shown in fig. 2-11.
Further, the zoom lens system in the preferred embodiment includes a lens tube 101 for accommodating the main body components and a zoom tube 102 coaxially sleeved on the outer circumference of the lens tube 101 and rotatable on the outer circumference thereof; further, the lens tube 101 in the preferred embodiment is a cylindrical tubular structure as a whole, which can be inserted into the zoom tube 102 through one end and work with the zoom tube, and the inside of the lens tube is provided with the objective lens group 103, the zoom group 104 and the compensation group 105 in sequence along the axial direction; further, after the lens tube 101 and the zoom tube 102 are sleeved in a matching manner, the zoom tube 102 corresponds to the zoom group 104 and the compensation group 105 in the lens tube 101, so that the zoom tube 102 is matched with the compensation group 105 and the zoom group 104 to work; furthermore, a plurality of zoom linear grooves 1011 penetrating the tube wall are axially formed on the outer peripheral wall of one end of the lens tube 101, which is connected with the zoom tube 102 in a matching manner.
Further, the zoom tube 102 in the preferred embodiment is a circular tube-shaped structure with a certain tube wall thickness, which can be sleeved on the outer circumference of the lens tube 101 along the axis and corresponds to the zoom group 104 and the compensation group 105 in the lens tube 101; furthermore, a zooming curve groove 1022 penetrating through the tube wall is formed in the outer peripheral wall of one end of the zooming tube 102, and is formed in a spiral shape and is formed by winding the zooming curve groove around the axis of the zooming tube 102; correspondingly, a spiral groove, namely a compensation curve groove 1021 is formed in the outer peripheral wall of the other end of the zoom tube 102, penetrates through the tube wall and is formed by winding the spiral groove around the axis of the zoom tube 102; further, the zooming curve slot 1022 and the compensation curve slot 1021 correspond to a zooming straight line slot 1011 disposed on the lens tube 101.
Further, in a preferred embodiment, two zooming curve grooves 1022 are formed on one end of the zooming tube 102, and two compensation curve grooves 1021 are further preferably formed on the other end of the zooming tube 102; correspondingly, the number of the zooming linear grooves 1011 arranged on the periphery of the mirror tube 101 at intervals is 4, and the four curved grooves correspond to one zooming linear groove 1011 respectively; further preferably, any one of the zooming curve grooves 1022 may be opened by rotating one end of the zooming curve groove 180 ° around the outer circumference of the zooming tube 102, that is, a line connecting two ends of the zooming curve groove 1022 with the axis of the zooming tube 102 forms an included angle of 180 °, and the zooming curve groove 1022 is formed by rotating one end of the zooming curve groove 1022 at a certain included angle and extending 180 ° around the outer circumference of the zooming tube 102.
Further preferably, the two zooming curve grooves 1022 in the preferred embodiment are correspondingly arranged on the zooming tube 102, wherein one zooming curve groove 1022 is formed by rotating the other zooming curve groove 1022 by 180 ° around the axis of the zooming tube 102, that is, one end of the two zooming curve grooves 1022 on the same radial section is connected to pass through the axis of the zooming tube 102 and is perpendicular to the axis; further preferably, two compensation curved grooves 1021 are correspondingly arranged on the zoom tube 102, wherein one compensation curved groove 1021 is formed by rotating the other compensation curved groove 1021 by 180 ° around the axis of the zoom tube 102; further, in the preferred embodiment, the ends of the variable-power curved groove 1022 and the compensation curved groove 1021 respectively departing from the two side ends of the variable-power tube 102 are on the same radial section, so that the compensation group 105 and the variable-power group 104 can be close enough.
Further preferably, the end of the zoom curved slot 1022 and the compensation curved slot 1021, which are close to each other, is 90 ° away from the line connecting the axis of the zoom tube 102, so that the slots on the zoom tube 102 can be uniformly opened, and the rigidity of the zoom tube 102 is ensured; accordingly, the number of the zoom linear grooves 1011 formed in the mirror tube 101 corresponding to the curved grooves in the zoom tube 102 is four, and the four zoom linear grooves 1011 are respectively disposed at 90 ° intervals on the outer peripheral wall of the mirror tube 101, that is, any one of the zoom linear grooves 1011 can be rotated by 90 °, 180 °, and 270 ° around the axis of the mirror tube 101 to obtain the remaining three zoom linear grooves 1011.
Further, the objective lens group 103 in the preferred embodiment is disposed inside one end of the lens tube 101, as shown in fig. 9, and preferably includes a lens frame having a cylindrical tubular structure, and a lens assembly of the objective lens group 103 is disposed in the lens frame, and a pin group fixing threaded hole 1031 is disposed on the lens frame of the objective lens group at a position corresponding to the focusing linear groove 1012; further, a certain number of focusing linear grooves 1012 are formed in the outer peripheral wall of the lens tube 101 corresponding to the objective lens group 103, and extend through the tube wall with axes parallel to the axis of the lens tube 101, so that the pin group 109 is fixed in the pin group fixing threaded hole 1031 at one end after passing through the focusing linear grooves 1012.
Further, as shown in fig. 10, the zoom group 104 in the preferred embodiment includes a cylindrical lens frame for accommodating lenses of the zoom group 104, two fixing pieces bent with a certain radian are oppositely arranged on the periphery of the lens frame of the zoom group, the bending radian of the fixing pieces is adapted to the periphery of the lens frame of the zoom group, one end of the fixing piece is fixedly connected to the lens frame of the zoom lens, the other end of the fixing piece extends to one side of the lens frame along the axis of the lens frame of the zoom lens, correspondingly, another fixing piece is oppositely arranged on the periphery of the lens frame and opposite to the fixing piece, and a space with a certain width is reserved between the edges of the fixing pieces; further, a pin group fixing threaded hole 1041 is formed in the fixing piece and used for matching connection between the pin group 109 and the zoom group 104; further, two pin group fixing threaded holes 1041 on the two fixing plates are arranged 180 degrees around the axis of the zoom group 104, that is, the connecting line of the two threaded holes 1041 passes through the axis of the zoom group 104 and is perpendicular to the axis; further preferably, a certain number of through holes are formed in the fixing plate at intervals to serve as weight reducing holes 1042 for reducing the weight of the zoom group 104.
Further, the compensation group 105 in the preferred embodiment is shown in fig. 11, which comprises a frame having a cylindrical shape and accommodating therein the lens of the compensation group 105; furthermore, two fixing pieces are oppositely arranged on the periphery of the compensation group lens frame, any one fixing piece is in an arc shape which is adaptive to the radian of the periphery of the compensation group lens frame, the periphery of the compensation group lens frame is connected with the inner wall surfaces of the fixing pieces in a matching way, and pin group fixing threaded holes 1051 are formed in the fixing pieces; further, two pin group fixing threaded holes 1051 on the two fixing plates are arranged 180 degrees around the axis of the compensation group 105, that is, the connecting line of the two threaded holes 1051 passes through the axis of the compensation group 105 and is vertical to the axis; further preferably, the fixing plate is provided with a certain number of through holes at intervals as lightening holes 1052 for lightening the weight of the compensation group 105.
Further, the two fixing pieces on the periphery of the frame of the compensation group 105 in the preferred embodiment are oppositely arranged, and the width of the fixing pieces is adapted to the width between the edges of the two fixing pieces on the variable power group 104, that is, the variable power group 104 and the compensation group 105 can be close to each other and mutually fit with the fixing pieces on the periphery of each other, so that the coaxial close matching of the frame of the variable power group 104 and the frame of the compensation group 105 is realized; further preferably, the fixing pieces on the peripheries of the zooming group 104 and the compensating group 105 are arc-shaped fixing pieces with central angles of 90 degrees respectively, that is, four fixing pieces can coaxially form a cylindrical structure formed by splicing the peripheries of the fixing pieces; further, after the variable-power group 104 and the compensation group 105 are matched, the pin group fixing threaded hole 1041 on the outer periphery of the variable-power group 104 and the pin group fixing threaded hole 1051 on the outer periphery of the compensation group 105 are at an included angle of 90 ° with respect to the axis to respectively adapt to the variable-power curved groove 1022 and the compensation curved groove 1021 on the variable-power pipe 102.
Further, after the lens tube 101 and the zoom tube 102 in the preferred embodiment are sleeved in a matching manner, the objective lens group 103, the zoom group 104 and the compensation group 105 are sequentially arranged in the lens tube 101, wherein the arrangement positions of the zoom group 104 and the compensation group 105 correspond to the zoom tube 102, that is, the zoom tube 102 is sleeved at one end of the lens tube 101, in which the zoom group 104 and the compensation group 105 are arranged, and after the zoom tube 102 is sleeved on the lens tube 101, four curved slots on the zoom tube 102 correspond to four zoom linear slots 1011 on the lens tube 101, and then two pin groups 109 are arranged to sequentially pass through the zoom curved slot 1022 and the zoom linear slot 1011 and then fixed on the pin group fixing threaded hole 1041 on the zoom group 104, and two pin groups 109 are arranged to pass through the compensation curved slot 1021 and the zoom linear slot 1011 and then fixed on the pin group fixing threaded hole 1051 on the compensation group 105, so that when the zoom tube 102 rotates, the pin groups 109 move in the curved slots and the zoom linear slot 1011, then the zoom group 104 and the compensation group 105 are driven to move in the lens tube 101, so as to realize continuous zooming.
Further, the objective lens group 103 in the preferred embodiment is disposed at an end of the lens tube 101 away from the zoom tube 102, and the arrangement position thereof enables the pin group fixing threaded hole 1031 on the periphery of the objective lens group 103 to correspond to the focusing straight line groove 1012 on the lens tube 101, and the periphery of the lens tube 101 is provided with the focusing assembly 1010, which is in a cylindrical sleeve structure in the preferred embodiment and can be correspondingly sleeved on the periphery of the lens tube 101; further, a spiral curve groove penetrating through the tube wall is formed in the periphery of the focusing assembly 1010 corresponding to the focusing linear groove 1012, and then the pin group 109 can be arranged to sequentially pass through the curve groove and the focusing linear groove 1012 in the focusing assembly 1010 and then be fixed to the pin group fixing threaded hole 1031 in the periphery of the objective lens group 103 by the end portion, so that the pin group 109 can slide in the focusing linear groove 1012 by rotating the focusing assembly 1010 and drive the objective lens group 103 to move back and forth, and the focusing process is completed.
Further preferably, a circle of variable-power teeth 1023 are uniformly arranged on the outer peripheral wall of one end of the variable-power tube 102 and arranged along the radial section of the variable-power tube 102 so as to realize variable power by matching with the rotation of the variable-power tube 102; correspondingly, a zoom motor set 108 is arranged on the zoom lens corresponding to the zoom teeth 1023 on the zoom tube 102 in the preferred embodiment, and a gear which can be engaged with the zoom teeth 1023 is arranged on the output shaft of the zoom motor set 108, so that the zoom motor set 108 can drive the zoom tube 102 to rotate to realize the sliding of the pin set 109 in the curved groove and the zoom linear groove 1011, and then drive the zoom set 104 and the compensation set 105 to move along the axis of the zoom tube 102 to realize the continuous zooming of the zoom lens; further preferably, one side of the focusing assembly 1010 is preferably provided with a focusing gear along the circumferential direction, and a focusing motor set 107 is arranged corresponding to the focusing gear, and an output shaft gear of the focusing motor set 107 is in matching engagement with the focusing gear for controlling the focusing assembly 1010 to continuously and uniformly rotate, so that the front and back continuous movement of the objective lens set 103 is realized, and thus the continuous micro-focusing of the objective lens set 103 is completed.
Further preferably, a rear fixing group is arranged at the tail of the lens tube 101, namely, at one side of the compensation group 105 departing from the zoom group 104, so as to be used for fine adjustment of the combined focal length of the continuous zoom lens system and ensure that the system image falls on the image surface of the imaging component; further preferably, the ends of the lens tube 101 and the zoom tube 102 that are coupled in a matching manner are respectively provided with a ball in the circumferential direction to assist the rotational movement of the zoom tube 102.
Further, after the main body part of the fog-penetrating lens module 1 is assembled, a driving module 5 is arranged at the top of the fog-penetrating lens module, and the driving module 5 in the preferred embodiment comprises an optical coupling isolation circuit and a motor driving chip, receives a control signal from an external control module, and transmits the control signal to the motor driving chip after optical coupling isolation; further, the motor driving chip generates a corresponding control instruction and transmits the control instruction to the zoom motor set 108 and/or the focusing motor set 107, and drives the motors to rotate, so that the continuous zooming of the fog-transparent lens module 1 is realized, and the image information is collected by the fog-transparent lens module 1.
Further, a high-definition camera module 2 is disposed at the tail end of the fog-transparent lens module 1, and preferably includes a high-definition CMOS image sensor and an ISP (image signal processor) in a preferred embodiment; among them, cmos (complementary metal oxide semiconductor) is a complementary metal oxide semiconductor.
Further, the CMOS image sensor in the preferred embodiment is preferably a semiconductor prepared by using two elements, i.e., silicon and germanium, through a CMOS transistor with negative and positive charges to implement a basic function, and then generate a current that can be recorded and interpreted into an image by a processing chip, and then an ISP performs image processing on an output signal of the CMOS image sensor located at the front end of the CMOS image sensor to complete high-definition image pickup of an image acquired by the defogging lens module 1.
Further, in the preferred embodiment, an image processing module 4 is provided in a manner of being matched with the high-definition camera module 2, and is preferably provided beside the fog-transparent lens module 1, as shown in fig. 2 to 4, the image processing module 4 in the preferred embodiment is provided as an image processing plate structure, and is respectively connected to the driving module 5, the fog-transparent enhancing module 3 and the high-definition camera module 2; further, the image processing module 4 in the preferred embodiment is used for image processing and video recording, receives an instruction from an external control module, generates a control instruction, and sends the control instruction to the driving module 5, the driving module 5 drives the zoom tube 102 on the fog-penetrating lens module 1 to rotate, the image information is obtained after continuous zooming, the image processing module 4 sends an instruction to the high-definition camera module 2, the high-definition camera module 2 collects the image information obtained by the fog-penetrating lens module 1 and sends the image information to the fog-penetrating enhancement module 3, the fog-penetrating enhancement module 3 is respectively connected with the high-definition camera module 2 and the image processing module 4, and is used for performing clear fog-penetrating processing on the image information collected by the high-definition camera module; further, the fog penetration enhancement module 3 sends the processed image information to the image processing module 4, and then the image processing module 4 sends the image information out in a coded manner.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A fog-penetrating television system based on a continuous zoom lens comprises a fog-penetrating lens module (1) which can realize clear imaging of a picture to be acquired through continuous zooming, a high-definition camera module (2) which is connected with the fog-penetrating lens module (1) and takes a picture of the acquired picture, a fog-penetrating enhancement module (3) which is connected with the high-definition camera module (2) and receives the acquired picture and can perform fog-penetrating processing on the acquired picture, an image processing module (4) which is respectively connected with the high-definition camera module (2) and the fog-penetrating enhancement module (3), and a driving module (5) which is respectively connected with the fog-penetrating lens module (1) and the image processing module (4),
the fog-penetrating lens module (1) is a continuous zoom lens, is coaxially arranged with the high-definition camera module (2) and the fog-penetrating enhancement module (3), and comprises a lens tube (101) which is sequentially provided with an objective lens group (103), a zoom group (104) and a compensation group (105), and a zoom tube (102) which is coaxially sleeved on the periphery of the lens tube (101) and corresponds to the zoom group (104) and the compensation group (105);
the zoom curve groove (1022) and the compensation curve groove (1021) are respectively two, namely a first zoom curve groove, a second zoom curve groove, a first compensation curve groove and a second compensation curve groove which are oppositely arranged, and the four curve grooves respectively correspond to one zoom straight line groove (1011);
the second variable-magnification curve groove is formed by rotating the first variable-magnification curve groove by 180 degrees around the axis of the variable-magnification pipe (102); the second compensation curved slot is formed by rotating the first compensation curved slot for 180 degrees around the axis of the zoom tube (102), and the connecting lines of the end part of the zoom curved slot (1022) and the end part of the compensation curved slot (1021) and the axis of the zoom tube (102) are respectively separated by 90 degrees;
the lenses in the zooming group (104) are fixed between two first fixing pieces which are oppositely arranged; the lenses in the compensation group (105) are fixed between two second fixing pieces which are oppositely arranged; the first fixing piece and the second fixing piece are respectively arc-shaped fixing pieces with central angles of 90 degrees, and the first fixing piece and the second fixing piece are arranged at intervals of 90 degrees in the circumferential direction, so that after the zooming group (104) and the compensation group (105) are close to each other, the first fixing piece can be correspondingly embedded between the two second fixing pieces;
the microscope tube (101) is correspondingly provided with two variable-magnification pin groups and two compensation pin groups, wherein the variable-magnification pin groups are used for sequentially passing through the variable-magnification curved slot (1022) and the corresponding variable-magnification linear slot (1011) from outside to inside in the radial direction and fixedly connecting the end parts of the variable-magnification pin groups with the variable-magnification group (104), the compensation pin groups are used for passing through the compensation curved slot (1021) and the corresponding variable-magnification linear slot (1011) from outside to inside in the radial direction and fixedly connecting the end parts of the compensation pin groups with the compensation group (105), then the variable-magnification tube (102) is driven to rotate by the driving module (5), so that the variable-magnification pin groups and the compensation pin groups relatively move in the corresponding variable-magnification curved slot and compensation curved slot (1021), and further the pin groups are driven to move in the slots, and the variable-magnification group (104) and the compensation group (105) are driven to translate in the axial direction in the microscope tube (101), and realizing continuous zooming of the fog-penetrating lens module (1) so as to clearly image the collected picture.
2. The fog-penetrating television system based on the zoom lens as claimed in claim 1, wherein one ends of the zoom curved groove (1022) and the compensation curved groove (1021) respectively departing from both side ends of the zoom tube (102) are on the same radial section of the zoom tube (102).
3. The fog-penetrating television system based on the zoom lens system as claimed in claim 1 or 2, wherein the lens tube (101) is provided with a focusing straight line groove (1012) penetrating through the tube wall on the outer circumference of the tube wall corresponding to the objective lens group (103) along the axial direction, and a focusing assembly (1010) capable of being matched and connected with the lens tube (101) is correspondingly sleeved on the outer circumference of the lens tube, a focusing curve groove penetrating through the tube wall is provided on the outer circumference of the focusing assembly (1010) around the axial line thereof, and the focusing curve groove is provided corresponding to the focusing straight line groove (1012);
and the zoom lens is also provided with a focusing pin group, the focusing pin group can sequentially penetrate through the focusing curve groove and the focusing straight line groove (1012) from outside to inside in the radial direction and is fixedly connected with the objective lens group (103) by the end part of the focusing pin group, then the focusing pin group can be driven to slide in the focusing curve groove and the focusing straight line groove (1012) through the rotation of the focusing assembly (1010), and then the objective lens group (103) is driven to translate in the axial direction of the lens tube (101), so that the fine focusing of the continuous zoom lens is realized.
4. The fog-penetrating television system based on the zoom lens system as claimed in claim 3, wherein a ring-shaped focusing gear is disposed on the outer circumference of the focusing assembly (1010) along the circumference thereof, and a focusing motor set (107) is disposed corresponding thereto, and after the output gear of the focusing motor set (107) is engaged with the focusing gear in a matching manner, the focusing assembly (1010) can be driven to rotate continuously, so as to achieve continuous micro-zooming of the zoom lens system.
5. The fog-penetrating television system based on the zoom lens system as claimed in claim 1, 2 or 4, wherein one end of the zoom tube (102) is circumferentially provided with a ring-shaped zoom tooth (1023), and a zoom motor set (108) is arranged corresponding to the zoom tooth (1023), and an output gear of the zoom motor set (108) is in matching engagement with the zoom tooth (1023) to drive the zoom tube (102) to continuously rotate.
6. The fog penetrating television system based on the continuous zoom lens as claimed in claim 1, 2 or 4, wherein an external control module is further provided for receiving the collected image from the image processing module and generating a corresponding control instruction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711331282.3A CN108040195B (en) | 2017-12-13 | 2017-12-13 | Fog-penetrating television system based on continuous zoom lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711331282.3A CN108040195B (en) | 2017-12-13 | 2017-12-13 | Fog-penetrating television system based on continuous zoom lens |
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| CN108040195A CN108040195A (en) | 2018-05-15 |
| CN108040195B true CN108040195B (en) | 2020-10-02 |
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| CN110958371A (en) * | 2019-12-17 | 2020-04-03 | 孝感华中精密仪器有限公司 | Automatic dimming television camera suitable for ultra-wide illumination range |
| CN112099179B (en) * | 2020-09-30 | 2022-09-02 | 湖北华中光电科技有限公司 | Dual CMOS continuous zooming television system based on prism beam splitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102540388B (en) * | 2010-12-25 | 2013-10-09 | 鸿富锦精密工业（深圳）有限公司 | Combined lens tube and zoom lens with application of combined lens tube |
| CN204143039U (en) * | 2014-11-17 | 2015-02-04 | 山东神戎电子股份有限公司 | A kind of steady smooth type optical lens Zoom structure |
| CN204515227U (en) * | 2015-03-31 | 2015-07-29 | 中国电子科技集团公司第十一研究所 | A kind of infrared continuous zoom lens |
| CN106054363B (en) * | 2016-07-26 | 2018-06-15 | 福建福光股份有限公司 | High zoom ratio medium wave infrared continuous zoom lens and its method of work |
| CN106154518B (en) * | 2016-08-17 | 2018-08-21 | 福建福光股份有限公司 | Big target surface high-resolution zoom digital camera lens |
| CN106094182B (en) * | 2016-08-26 | 2018-06-12 | 福建福光股份有限公司 | The strong Penetrating Fog high definition zooming camera lens of folded form |
| CN106125276B (en) * | 2016-08-26 | 2018-08-21 | 福建福光股份有限公司 | Object lens of large relative aperture, large area array long-wave infrared continuous zoom lens and working method |
| CN106932891A (en) * | 2017-04-19 | 2017-07-07 | 福建福光天瞳光学有限公司 | 25 ~ 75mm long-wave infrared continuous zoom lens and its method of work |
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Address after: 432000 No. 1 Aerospace Avenue, Xiaogan City, Hubei Province Patentee after: Hubei Huazhong Changjiang Photoelectric Technology Co.,Ltd. Address before: 432000 No.199 Changzheng Road, Xiaonan District, Xiaogan City, Hubei Province Patentee before: HUBEI HUAZHONG PHOTOELECTRIC SCIENCE AND TECHNOLOGY Ltd. |