CN111025626B - Nine-aperture light beam deflection control device - Google Patents
Nine-aperture light beam deflection control device Download PDFInfo
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- CN111025626B CN111025626B CN201911420359.3A CN201911420359A CN111025626B CN 111025626 B CN111025626 B CN 111025626B CN 201911420359 A CN201911420359 A CN 201911420359A CN 111025626 B CN111025626 B CN 111025626B
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
- G02B26/0883—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements the refracting element being a prism
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Abstract
The invention relates to a nine-aperture light beam deflection control device which comprises nine light beam deflection control units arranged on a fixed frame, wherein each light beam deflection control unit comprises a shell, a lens base and a CCD (charge coupled device) camera shooting assembly which are sequentially arranged from outside to inside, the lens base is rotationally connected with the shell and is driven to rotate by a first electric rotating assembly fixed inside the rear end of the shell, the front end of the lens base is rotationally connected with a lens barrel, the lens barrel is driven to rotate by a second electric rotating assembly fixed on the outer wall of the front end of the lens base, a first prism is arranged in the lens barrel, a second prism is arranged inside the front end of the lens base, the rear end of the CCD camera shooting assembly is fixedly connected with the rear end of the shell, and the optical axes of the CCD camera shooting assembly, the first prism and the second prism are coincided. The two prisms are driven to rotate by the two motors respectively, the rotation control of the two prisms is not influenced by mutual coupling, the movement speed and the movement direction of the two prisms are not interfered with each other, and the control of the deflection direction and the angle of the light beam can be realized.
Description
The technical field is as follows:
the invention relates to a nine-aperture light beam deflection control device.
Background art:
the beam deflection control device is an optical transmission system realized by the combined rotation of two groups of double prisms and has a beam deflection function. The double prism system is an optical system consisting of two mutually close prisms with the same refractive index and refraction angle, is an important element for realizing small-angle deflection, adopts different double prism combinations according to the requirements on different light beam deflection angles in the practical application process, can control the deflection direction of a light beam by controlling the rotation angle between the prisms, and realizes the observation range of generating a large visual field on the premise of small size.
However, most of the conventional beam deflection control devices are manual, and have the disadvantages of low efficiency, low precision, and inconvenience in maintenance and installation.
The invention content is as follows:
aiming at the defects, the invention provides the nine-aperture light beam deflection control device which is reasonable in structural design, adopts the motor to realize the control of the angle of the light beam during integral and relative rotation, and improves the control efficiency and precision.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a nine aperture light beam deflection control device, includes the mount and installs nine light beam deflection control unit on the mount, light beam deflection control unit contains from outer casing, microscope base and the CCD subassembly of making a video recording that sets gradually inwards, the casing is the tubular structure, the microscope base rotates with the casing to be connected and via fixing the inside first electric rotating assembly drive rotation in casing rear end, and the front end of microscope base rotates the lens cone that is connected with coaxial setting, the lens cone is rotatory by the second electric rotating assembly drive of fixing at microscope base front end outer wall, installs first prism in the lens cone, the front end internally mounted of microscope base has the second prism, the rear end of CCD subassembly of making a video recording is connected firmly with the rear end of casing, and the optical axis coincidence of CCD subassembly, first prism and second prism is made a video recording.
Further, first electric rotating assembly includes first rotating electrical machines, first gear and first ring gear, first rotating electrical machines fixed mounting has first gear at the rear end of casing, and the output shaft of first rotating electrical machines links firmly, the fixed cover of first ring gear is established in the rear end outside of microscope base, and first ring gear meshes with first gear mutually.
Furthermore, an annular positioning flange is arranged on the inner wall of the middle part of the shell, the positioning flange is positioned on the outer side of the rear end of the mirror base, and steel balls are arranged between the positioning flange and the rear end of the mirror base to realize rotary connection; the first rotating motor is fixedly mounted at the upper end of the rear side face of the positioning flange through a mounting frame.
Furthermore, a first positioning hole is formed in the rear end face of the mirror base, an integral rotation limiting assembly is arranged below the rear side of the mirror base and comprises a first mounting frame fixedly connected to the lower end of the positioning flange, a first positioning sleeve is screwed on the first mounting frame, a first positioning shaft used for being clamped into the first positioning hole is arranged in the middle of the first positioning sleeve in a penetrating mode in a transverse sliding mode, a first spring pressing ring is fixedly connected to the rear end of the first positioning sleeve, a first compression spring is abutted between the first spring pressing ring and a shaft shoulder at the front end of the first positioning shaft, and the first compression spring is sleeved on the outer side of the first positioning shaft; the rear end of the first mounting bracket is fixedly connected with a first Hall element, the first Hall element is electrically connected with the first rotating motor through a control unit, the contact end of the first Hall element is used for being abutted against the rear end of the first positioning shaft, when the front end of the first positioning shaft is clamped into the first positioning hole, the contact end of the first Hall element is separated from the first positioning shaft, and the first Hall element drives the first rotating motor to stop working through the control unit.
Furthermore, the second electric rotating assembly comprises a second rotating motor, a second gear and a second gear ring, the second rotating motor is fixed on the outer wall of the front end of the microscope base, an output shaft of the second rotating motor is fixedly connected with the second gear, the second gear ring is movably sleeved on the outer side of the front end of the microscope base, the second gear ring is meshed with the second gear, and a guide through hole penetrating along the radial direction is formed in the side wall of the second gear ring; the front end face of the lens base is provided with an annular slot, the rear end of the lens cone is inserted into the annular slot, the side wall of the rear end of the lens cone is screwed with a guide nail which is arranged in the radial direction, and the guide nail penetrates through the lens base in the radial direction and then extends into the guide through hole.
Furthermore, an annular positioning disc is fixedly connected to the outer wall of the front end of the second gear ring, two second positioning holes symmetrically distributed around the axis of the positioning disc are formed in the rear end face of the positioning disc, a relative rotation limiting assembly fixed to the outer wall of the front end of the mirror base is arranged on the rear side of the positioning disc, the relative rotation limiting assembly comprises a second mounting frame fixedly connected to the outer wall of the front end of the mirror base, a second positioning sleeve is screwed on the second mounting frame, a second positioning shaft used for being clamped into the second positioning holes is arranged in the middle of the second positioning sleeve in a penetrating mode in a transverse sliding mode, a second spring pressing ring is fixedly connected to the rear end of the second positioning sleeve, a second compression spring abuts between the second spring pressing ring and a shaft shoulder at the front end of the second positioning shaft, and the second compression spring is sleeved on the outer side of the second positioning shaft; the rear end of the second mounting frame is fixedly connected with a second Hall element, the second Hall element is electrically connected with a second rotating motor through a control unit, the contact end of the second Hall element is used for being abutted against the rear end of a second positioning shaft, when the front end of the second positioning shaft is clamped into a second positioning hole, the contact end of the second Hall element is separated from the second positioning shaft, and the second Hall element drives the second rotating motor to stop working through the control unit.
Furthermore, a CCD fixing frame is arranged inside the lens base, the CCD camera shooting assembly is fixed at the front end of the CCD fixing frame through a CCD locking ring, a CCD switching frame is fixedly connected with the rear end of the CCD fixing frame, and the CCD switching frame is fixedly connected with the rear end of the shell.
Furthermore, a dial sleeved outside the lens barrel is fixedly connected to the front end face of the lens base, and the dial is provided with a digital mark between 0 degree and +/-180 degrees; the front end spiro union of casing establishes the front shroud in the calibrated scale outside, the upper end of front shroud links firmly and is used for carrying out the rotatory instruction piece that indicates to the sign on the calibrated scale.
Furthermore, the upper surface and the lower surface of the rear end of the shell are respectively provided with an upper opening and a lower opening, the upper opening is sealed by an upper cover plate, and the lower opening is sealed by a lower cover plate; the lens cone is fixed on the lens base through a lens cone pressing ring, and the first prism is fixed in the lens cone through three first prism pressing rings which are uniformly distributed; the second prism is fixed in the prism seat through the prism spacer ring and the second prism pressing ring.
Furthermore, nine mounting holes for respectively mounting nine light beam deflection control units are formed in the fixing frame, and the nine mounting holes are distributed in a matrix manner; the shell of the light beam deflection control unit penetrates through the mounting hole, the outer wall of the shell is provided with a mounting flange, and the mounting flange is fixedly locked on the fixing frame through screws.
Compared with the prior art, the invention has the following effects: the invention has reasonable and compact structural design, the two prisms are respectively driven by the two motors to rotate, the rotation control of the two prisms is not influenced by mutual coupling, the movement speed and the movement direction are not interfered with each other, the control on the deflection direction and the angle of the light beam can be realized, and the control efficiency and the precision are high.
The following figures illustrate:
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a front sectional configuration of a beam deflection control unit;
FIG. 3 is a schematic perspective view of a beam deflection control unit;
FIG. 4 is a schematic view of the internal configuration of a beam deflection control unit;
FIG. 5 is a schematic diagram of a left-side view configuration of a beam deflection control unit;
FIG. 6 is a schematic diagram of the first and second prisms;
FIG. 7 is a schematic view of the construction of the integral rotation limiting assembly;
fig. 8 is a schematic view of the construction of the relative rotation restricting assembly.
In the figure:
1-dial scale; 2-pressing a ring by a gear; 3-lens barrel pressing ring; 4-a lens barrel; 5-a first prism pressing ring; 6-guiding the nail; 7-a first prism; 8-a second prism; 9-a lens base; 10-a prism spacer ring; 11-a second prism clamping ring; 12-a rotation indicator block; 13-a front cover plate; 14-positioning plate; 15-a second ring gear; 16-a housing; 17-a second rotating electrical machine; 18-a CCD camera assembly; 19-a CCD locking ring; 20-CCD fixing frame; 21-steel balls; 22-upper cover plate; 23-a first rotating electrical machine; 24-a CCD adapter rack; 25-wire clamp; 26-a lower cover plate; 27-integral rotation limiting assembly; 28-relative rotation limiting assembly; 29-a first mounting frame; 30-a first positioning sleeve; 31-a first positioning axis; 32-a first spring collar; 33-a first compression spring; 34-a first hall element; 35-a second mounting frame; 36-a second positioning sleeve; 37-a second positioning shaft; 38-a second spring crimp; 39-a second compression spring; 40-a second hall element; 41-a fixing frame; 42-a beam deflection control unit; 43-control panel; 44-a first ring gear; 45-a first locating hole; 46-second positioning hole.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the nine-aperture light beam deflection control device of the present invention includes a fixed frame 41 and nine light beam deflection control units 42 arranged on the fixed frame 41 in a matrix-9 arrangement, wherein the light beam deflection control units 42 include a housing 16, a lens base 9 and a CCD camera module 18, the housing 16 is a cylindrical structure, the lens base 9 is rotatably connected to the housing 16 and is driven to rotate by a first electric rotating module fixed inside the rear end of the housing 16, the front end of the lens base 9 is rotatably connected to a coaxially arranged lens barrel 4, the lens barrel 4 is driven to rotate by a second electric rotating module fixed on the outer wall of the front end of the lens base 9, a first prism 7 is installed inside the lens barrel 4, a second prism 8 is installed inside the front end of the lens base 9, the rear end of the CCD camera module 18 is fixedly connected to the rear end of the housing 16, the CCD camera module 18, The optical axes of the first prism 7 and the second prism 8 overlap. The second electric rotating component drives the lens barrel 4 to rotate, so as to drive the first prism 7 to rotate, and the first prism 7 and the second prism 8 rotate relatively; the first electric rotating assembly drives the lens base 9 to rotate, so as to drive the second prism 8 to rotate, and the integral rotating motion of the second prism 8 is realized; the rotation control of the two prisms is not influenced by mutual coupling, the movement speed and the movement direction of the two prisms are not interfered with each other, and the deflection direction and the angle of the light beam can be controlled.
In this embodiment, the first prism 7 and the second prism 8 are both cylindrical with a diameter of Φ 25mm, the central axis of the cylinder is defined as the optical axis of the prism, the light-passing surfaces are two cylindrical end surfaces, one of the end surfaces is an inclined surface forming an included angle with the optical axis, the other end surface is a plane perpendicular to the optical axis, the included angle is called a wedge angle, which is generally 10 to 20 degrees, the preferred wedge angle of the first prism and the second prism is 14 ° 51', and the thickness of the thin edge is 3 mm. The first prism and the second prism are arranged in a mode that optical axes are coaxial, planes are opposite, and inclined planes are opposite, the distance between vertical planes perpendicular to the optical axes between the two prisms is 1.2mm, after the two groups of prisms are combined, one inclined plane correspondingly deflects the incident direction of light beams, and the other inclined plane correspondingly deflects the emergent direction of the light beams.
In this embodiment, the first electric rotating assembly includes a first rotating electrical machine 23, a first gear and a first gear ring 44, the first rotating electrical machine 23 is fixedly mounted at the rear end of the housing 16, an output shaft of the first rotating electrical machine 23 is fixedly connected with the first gear, the first gear ring 44 is fixedly sleeved outside the rear end of the mirror base 9, the first gear ring 44 is engaged with the first gear, and when the first rotating electrical machine 23 works, the first rotating electrical machine 23 drives the mirror base 9 to rotate around its own axis through the engagement of the first gear ring 44 and the first gear; further, by controlling the forward and reverse rotation of the first rotating motor 23, the mirror base 9 can be driven to rotate clockwise or counterclockwise, and further the second prism 8 can be driven to rotate clockwise or counterclockwise.
In this embodiment, an annular positioning flange is disposed on the inner wall of the middle portion of the housing 16, the positioning flange is located at the outer side of the rear end of the mirror base 9, and a steel ball 21 is disposed between the positioning flange and the rear end of the mirror base 9, so that the mirror base 9 and the housing 16 are rotatably connected; the first rotating electric machine 23 is fixedly mounted on the upper end of the rear side of the positioning flange via a mounting bracket.
In this embodiment, a first positioning hole 45 is formed in the rear end face of the mirror base 9, an integral rotation limiting assembly 27 is arranged below the rear side of the mirror base 9, the integral rotation limiting assembly 27 includes a first mounting frame 29 fixedly connected to the lower end of the positioning flange, a first positioning sleeve 30 is screwed on the first mounting frame 29, a first positioning shaft 31 used for being clamped into the first positioning hole 45 is penetrated through the middle of the first positioning sleeve 30 in a transverse sliding manner, a first spring pressing ring 32 is fixedly connected to the rear end of the first positioning sleeve 30, a first compression spring 33 is abutted between the first spring pressing ring 2 and a shaft shoulder at the front end of the first positioning shaft 31, and the first compression spring 33 is sleeved on the outer side of the first positioning shaft 31; the rear end of the first mounting frame 29 is further fixedly connected with a first hall element 34, the first hall element 34 is electrically connected with the first rotating electrical machine 23 through a control unit, and the contact end of the first hall element 34 is used for being abutted against the rear end of the first positioning shaft 31. Under a normal state, the elastic force of the first compression spring 33 drives the front end of the first positioning shaft 31 to be always abutted against the rear end face of the mirror base 14, and the rear end of the first positioning shaft 31 is abutted against the contact end of the first hall element 34; when the first rotating motor 23 drives the first gear ring 44 and the mirror base 9 to rotate to the first positioning hole 45 and align with the first positioning shaft 31, the front end of the first positioning shaft 31 is clamped into the first positioning hole 45, rotation limitation on the mirror base 9 is completed, the rear end of the first positioning shaft 31 is separated from the contact end of the first hall element 34 at the moment, the first hall element 34 drives the first rotating motor 23 to stop working through the control unit, rotation control on the mirror base 9 and the first gear ring 44 is completed, and rotation of the mirror base 9 and the second prism 8 is further controlled.
In this embodiment, the second electric rotating assembly includes a second rotating electrical machine 17, a second gear and a second gear ring 15, the second rotating electrical machine 17 is fixed on the outer wall of the front end of the mirror base 9, an output shaft of the second rotating electrical machine 17 is fixedly connected with the second gear, the second gear ring 15 is movably sleeved on the outer side of the front end of the mirror base 9 and is installed on the mirror base 9 through a gear pressing ring 2, the second gear ring 15 is engaged with the second gear, and a guide through hole penetrating along the radial direction is formed in the side wall of the second gear ring 15; the front end face of the lens base 9 is provided with an annular slot, the rear end of the lens cone 4 is inserted into the annular slot, the side wall of the rear end of the lens cone 4 is screwed with a guide nail 6 which is arranged in the radial direction, and the guide nail 6 penetrates through the lens base 9 in the radial direction and then extends into the guide through hole. When the device works, the second rotating motor 17 drives the second gear ring 15 to rotate through the second gear, and the lens cone 4 is driven to rotate around the axis of the lens cone by the guide pin 6 in the rotating process of the second gear ring 15; further, by controlling the forward and reverse rotation of the second rotating motor 17, the lens barrel 4 can be driven to rotate in the clockwise or counterclockwise direction.
In this embodiment, the outer wall of the front end of the second ring gear 15 is fixedly connected with an annular positioning disk 14 through a screw, the rear end face of the positioning disk 14 is provided with two second positioning holes 46 which are symmetrically distributed around the axis of the positioning disk 14, the rear side of the positioning disk 14 is provided with a relative rotation limiting component 28 fixed on the outer wall of the front end of the mirror seat 9, the relative rotation limiting assembly 28 comprises a second mounting frame 35 fixedly connected to the outer wall of the front end of the mirror base 9, a second positioning sleeve 36 is screwed on the second mounting frame 35, a second positioning shaft 37 for being clamped into a second positioning hole 46 is arranged in the middle of the second positioning sleeve 36 in a transverse sliding mode, a second spring pressing ring 38 is fixedly connected at the rear end of the second positioning sleeve 36, a second compression spring 39 is abutted between the second spring pressing ring 38 and a shaft shoulder at the front end of the second positioning shaft 37, and the second compression spring 39 is sleeved on the outer side of the second positioning shaft 37; the rear end of the second mounting bracket 35 is also fixedly connected with a second hall element 40, the second hall element 40 is electrically connected with the second rotating electrical machine 17 through a control unit, and the contact end of the second hall element 40 is used for being abutted against the rear end of the second positioning shaft 37. Under a normal state, the elastic force of the second compression spring 39 drives the front end of the second positioning shaft 37 to be always abutted against the rear end face of the positioning disc 14, and the rear end of the second positioning shaft 37 is abutted against the contact end of the second hall element 40; when the second rotating motor 17 drives the second ring gear 15 and the positioning disk 14 to rotate until one of the second positioning holes 46 is aligned with the second positioning shaft 37, the front end of the second positioning shaft 37 is clamped into the second positioning hole 46, rotation limitation on the positioning disk 14 is completed, the rear end of the second positioning shaft 37 is separated from the contact end of the second hall element 40 at this time, the second hall element 40 drives the second rotating motor 17 to stop working through the control unit, rotation control on the positioning disk 14 and the second ring gear 15 is completed, and rotation of the lens barrel 4 and the first prism 7 is further controlled. Preferably, the rotation angle of the lens base is more than or equal to 350 degrees.
In this embodiment, the position of the first positioning hole 45 is the zero position of the rotation of the mirror base 9, so that the second prism 8 is powered off and positioned in the zero position, and in order to facilitate wiring, the zero position is designed in the middle position of the whole rotation angle of the mirror base, the wire outgoing length and the bypassing angle of the second electric rotating assembly are reduced as much as possible, meanwhile, the wire groove of the second electric rotating assembly on the CCD fixing frame is designed as a chute which rotates by a certain angle, the wire outgoing length and the bypassing angle of the second electric rotating assembly are reduced as much as possible, and wiring at the rear end is simple and reliable.
In this embodiment, the two second positioning holes 46 are symmetrically arranged to realize a relative rotation angle of 180 degrees, and the positions of the two second positioning holes 46 respectively correspond to the minimum deflection angle and the maximum deflection angle of the two first prisms 7, so that the first prisms are positioned in a power-off state when the minimum deflection angle and the maximum deflection angle are reached.
In this embodiment, a CCD fixing frame 20 is arranged inside the lens holder 9, the CCD camera assembly 18 is fixed to the front end of the CCD fixing frame 20 through a CCD locking ring 19, a CCD adapter frame 24 is fixedly connected to the rear end of the CCD fixing frame 0 through a screw, and the CCD adapter frame 24 is fixedly connected to the rear end of the housing 16 to form an integrated structure. The wire groove of the relative rotation limiting assembly on the CCD fixing frame is designed into a chute which rotates by a certain angle, so that the wire outlet length and the wire winding angle of the relative rotation limiting assembly are reduced as much as possible, and the wire routing at the rear end is concise and reliable.
In this embodiment, the front end surface of the lens base 9 is fixedly connected with a dial 1 sleeved outside the lens barrel, and the dial 1 is provided with a digital mark between 0 ° and ± 180 °; the front end spiro union of casing 16 has the front shroud 13 of cover establishing in the calibrated scale 1 outside, front shroud 13 still adopts the three holding screw of equipartition to fix, and the upper end of front shroud 3 is connected firmly and is used for carrying out the rotatory indicator block 12 that indicates to the sign on calibrated scale 13. Preferably, the dial and the rotary indicating block fixing screw holes are designed into straight elongated slots, so that zero adjustment is facilitated.
In this embodiment, the front end of the lens barrel 4 extends out of the lens base 9 and the outer wall of the lens barrel is provided with a rotation indication mark.
In this embodiment, the upper and lower surfaces of the rear end of the housing 16 are respectively provided with an upper opening and a lower opening, the upper opening is sealed by the upper cover plate 26, and the lower opening is sealed by the lower cover plate 22; through setting up upper and lower opening, conveniently maintain internals for easy maintenance.
In this embodiment, the lens barrel 4 is fixed on the lens base 9 through the lens barrel pressing ring 3, four threads of M1.6 are arranged on the outer side surface of the front end of the lens barrel 4, and the first prism 4 is fixed in the lens barrel 4 through three first prism pressing rings 5 which are uniformly distributed and fixed through screws; the second prism 8 is fixed in the lens base through a prism spacer ring 10 and a second prism pressing ring 11.
In this embodiment, the fixing frame 41 is provided with nine mounting holes for respectively mounting the nine beam deflection control units 42, and the nine mounting holes are distributed in a matrix; the housing 16 of the beam deflection control unit 42 penetrates through the mounting hole, and the outer wall of the housing is provided with a mounting flange which is fastened on the fixing frame by screws.
In the embodiment, the shell, the dial, the first gear ring and the second gear ring are coaxially designed, the connection relation is simple and reliable, and error transmission is reduced in the transmission process.
In this embodiment, a control board 43 for controlling the first rotating motor 17 and the second rotating motor 23 of the nine sets of beam deflection control units 42 is mounted on the bottom of the fixed frame 41.
In this embodiment, the first hall element and the second hall element are both D2F-FL in type.
The invention has the advantages that:
(1) the nine sets of light beam deflection control units are arranged on the fixed support in a flange surface contact mode, the rotation control of each set of light beam deflection units is not influenced by mutual coupling relation, the movement speed and the movement direction of the light beam deflection units are not interfered with each other, and the control on the light beam deflection angle can be realized; the whole structure is simple and compact, and the control panel is arranged at the bottom to complete the control of the motors of the nine sets of devices;
(2) the first prism is fixed by adopting a screw pressurizing ring mode, so that the effective light passing diameter is not influenced, and the deformation of a compressing structure on the light passing surface of the prism is reduced;
(3) two independent motors and gear pairs are adopted for transmission driving, the rotation control of the two prisms is not influenced by mutual coupling, the movement speed and the movement direction of the prisms are not interfered with each other, and the control on the deflection direction and the angle of a light beam can be realized;
(4) the connection relation is simple and reliable, and the transmission of errors is reduced in the transmission process;
(5) the invention has the advantages of small size, light weight, compact structure, high rotation precision, and reliable and stable connection and transmission process.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (7)
1. A nine-aperture beam deflection control device, characterized by: the device comprises a fixed frame and nine light beam deflection control units arranged on the fixed frame, wherein each light beam deflection control unit comprises a shell, a lens base and a CCD (charge coupled device) camera shooting assembly which are sequentially arranged from outside to inside, the shell is of a cylindrical structure, the lens base is rotationally connected with the shell and is driven to rotate by a first electric rotating assembly fixed inside the rear end of the shell, the front end of the lens base is rotationally connected with a coaxially arranged lens cone, the lens cone is driven to rotate by a second electric rotating assembly fixed on the outer wall of the front end of the lens base, a first prism is arranged in the lens cone, a second prism is arranged inside the front end of the lens base, the rear end of the CCD camera shooting assembly is fixedly connected with the rear end of the shell, and the optical axes of the CCD camera shooting assembly, the first prism and the second prism are overlapped;
the first electric rotating assembly comprises a first rotating motor, a first gear and a first gear ring, the first rotating motor is fixedly installed at the rear end of the shell, an output shaft of the first rotating motor is fixedly connected with the first gear, the first gear ring is fixedly sleeved on the outer side of the rear end of the mirror base, and the first gear ring is meshed with the first gear;
the inner wall of the middle part of the shell is provided with an annular positioning flange, the positioning flange is positioned outside the rear end of the mirror base, and steel balls are arranged between the positioning flange and the rear end of the mirror base to realize rotary connection; the first rotating motor is fixedly arranged at the upper end of the rear side surface of the positioning flange through a mounting frame;
the rear end face of the mirror base is provided with a first positioning hole, an integral rotation limiting assembly is arranged below the rear side of the mirror base and comprises a first mounting frame fixedly connected to the lower end of the positioning flange, a first positioning sleeve is screwed on the first mounting frame, a first positioning shaft used for being clamped into the first positioning hole is arranged in the middle of the first positioning sleeve in a penetrating mode along the transverse direction in a sliding mode, a first spring pressing ring is fixedly connected to the rear end of the first positioning sleeve, a first compression spring is abutted between the first spring pressing ring and a shaft shoulder at the front end of the first positioning shaft, and the first compression spring is sleeved on the outer side of the first positioning shaft; the rear end of the first mounting bracket is fixedly connected with a first Hall element, the first Hall element is electrically connected with the first rotating motor through a control unit, the contact end of the first Hall element is used for being abutted against the rear end of the first positioning shaft, when the front end of the first positioning shaft is clamped into the first positioning hole, the contact end of the first Hall element is separated from the first positioning shaft, and the first Hall element drives the first rotating motor to stop working through the control unit.
2. The nine-aperture beam deflection control device according to claim 1, wherein: the second electric rotating assembly comprises a second rotating motor, a second gear and a second gear ring, the second rotating motor is fixed on the outer wall of the front end of the microscope base, an output shaft of the second rotating motor is fixedly connected with the second gear, the second gear ring is movably sleeved on the outer side of the front end of the microscope base, the second gear ring is meshed with the second gear, and a guide through hole penetrating along the radial direction is formed in the side wall of the second gear ring; the front end face of the lens base is provided with an annular slot, the rear end of the lens cone is inserted into the annular slot, the side wall of the rear end of the lens cone is screwed with a guide nail which is arranged in the radial direction, and the guide nail penetrates through the lens base in the radial direction and then extends into the guide through hole.
3. The nine-aperture beam deflection control device according to claim 2, wherein: the outer wall of the front end of the second gear ring is fixedly connected with an annular positioning disc, the rear end face of the positioning disc is provided with two second positioning holes which are symmetrically distributed around the axis of the positioning disc, the rear side of the positioning disc is provided with a relative rotation limiting assembly fixed on the outer wall of the front end of the mirror base, the relative rotation limiting assembly comprises a second mounting frame fixedly connected on the outer wall of the front end of the mirror base, a second positioning sleeve is screwed on the second mounting frame, a second positioning shaft used for being clamped into the second positioning holes is arranged in the middle of the second positioning sleeve in a penetrating mode in a transverse sliding mode, the rear end of the second positioning sleeve is fixedly connected with a second spring pressing ring, a second compression spring is abutted between the second spring pressing ring and a shaft shoulder at the front end of the second positioning shaft, and the second compression spring is sleeved on the outer side of the second positioning shaft; the rear end of the second mounting frame is fixedly connected with a second Hall element, the second Hall element is electrically connected with a second rotating motor through a control unit, the contact end of the second Hall element is used for being abutted against the rear end of a second positioning shaft, when the front end of the second positioning shaft is clamped into a second positioning hole, the contact end of the second Hall element is separated from the second positioning shaft, and the second Hall element drives the second rotating motor to stop working through the control unit.
4. The nine-aperture beam deflection control device according to claim 1, wherein: the inside of microscope base is equipped with the CCD mount, the CCD subassembly of making a video recording is fixed in the front end of CCD mount through CCD lock ring, the rear end of CCD mount is connected with CCD switching frame firmly, CCD switching frame is connected with the rear end of casing firmly.
5. The nine-aperture beam deflection control device according to claim 1, wherein: a dial sleeved outside the lens barrel is fixedly connected to the front end face of the lens base, and a digital mark between 0 degree and +/-180 degrees is arranged on the dial; the front end spiro union of casing establishes the front shroud in the calibrated scale outside, the upper end of front shroud links firmly and is used for carrying out the rotatory instruction piece that indicates to the sign on the calibrated scale.
6. The nine-aperture beam deflection control device according to claim 1, wherein: the upper surface and the lower surface of the rear end of the shell are respectively provided with an upper opening and a lower opening, the upper opening is sealed by an upper cover plate, and the lower opening is sealed by a lower cover plate; the lens cone is fixed on the lens base through a lens cone pressing ring, and the first prism is fixed in the lens cone through three first prism pressing rings which are uniformly distributed; the second prism is fixed in the prism seat through the prism spacer ring and the second prism pressing ring.
7. The nine-aperture beam deflection control device according to claim 1, wherein: the fixed frame is provided with nine mounting holes for respectively mounting nine light beam deflection control units, and the nine mounting holes are distributed in a matrix manner; the shell of the light beam deflection control unit penetrates through the mounting hole, the outer wall of the shell is provided with a mounting flange, and the mounting flange is fixedly locked on the fixing frame through screws.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911420359.3A CN111025626B (en) | 2019-12-31 | 2019-12-31 | Nine-aperture light beam deflection control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911420359.3A CN111025626B (en) | 2019-12-31 | 2019-12-31 | Nine-aperture light beam deflection control device |
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| CN111025626B true CN111025626B (en) | 2021-11-16 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0735992A (en) * | 1993-07-16 | 1995-02-07 | Tochigi Nikon:Kk | Solid-state imaging device |
| DE19945087A1 (en) * | 1999-09-21 | 2001-03-22 | Laser & Med Tech Gmbh | Scanning optics for high power laser uses prism pair allows variable scan |
| US7037005B2 (en) * | 2004-03-29 | 2006-05-02 | Northrop Grumman Corporation | Pan and tilt apparatus using achromatic prisms |
| CN102012268B (en) * | 2010-09-21 | 2012-03-21 | 中国兵器工业第二〇五研究所 | Airborne infrared scanning observation device realized by double optical wedges |
| CN102928978B (en) * | 2012-11-02 | 2014-10-15 | 北京航空航天大学 | Light beam scanning mechanism based on rotation double wedge lenses |
| CN105319705B (en) * | 2015-12-02 | 2018-06-26 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of double wedge scanning means and photoelectric detection equipment |
| US9971148B2 (en) * | 2015-12-02 | 2018-05-15 | Texas Instruments Incorporated | Compact wedge prism beam steering |
| CN109375337B (en) * | 2018-11-16 | 2021-10-08 | 上海禾赛科技有限公司 | Prism fixed knot constructs |
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