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32 results about "Equatorial mount" patented technology

An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis parallel to the Earth's axis of rotation. This type of mount is used for astronomical telescopes and cameras. The advantage of an equatorial mount lies in its ability to allow the instrument attached to it to stay fixed on any celestial object with diurnal motion by driving one axis at a constant speed. Such an arrangement is called a sidereal or clock drive.

Control device for controlling an astronomical telescope and a method for controlling the same

This invention relates to a control device for controlling an astronomical telescope and, specifically, to a control device for automatic locating of celestial bodies, and to a method for controlling an astronomical telescope. The control device comprises a power input interface, a master controller, and an intelligent motor drive controller. The master controller comprises a CPU, an optional RAM, a FLASH microprocessor, one or more buttons, an LCD, a buzzer, one or more backlight diode lamps, one or more LED lights, a serial to USB interface, and an internal serial bus. The intelligent motor drive controller comprises a chip microprocessor having IAP functions, a two-way reversible PWM driving circuit having an output end and a detection end, a direct current motor, an optical encoder, an optical encoder detection circuit, and an over-current protection circuit. By calculating the coordinates of target bodies and converting them to equatorial mount coordinates, the microprocessor in the intelligent motor controller controls the motor to run, realizing the tracking of target celestial bodies.
Owner:XU WEN +1

Equatorial telescope theodolite composite bracket

ActiveCN102207381ASuitable for useSuitable for a wide range of geographical areasTheodolitesTheodoliteEngineering
The invention relates to an equatorial telescope and theodolite composite bracket which comprises a base, an hour angle mechanism and a deflection angle mechanism, wherein the hour angle mechanism is connected with the base and can rotate around a latitude shaft under the driving of a latitude regulating mechanism; the deflection angle mechanism is connected with the hour angle mechanism and can rotate around an hour angle shaft under the driving of an hour angle driving mechanism; two sides of the deflection angle mechanism are respectively connected with a lens barrel connection base, the lens barrel connection base can rotate around a deflection angle shaft under the driving of a deflection angle driving mechanism; and the hour angle shaft and the deflection angle shaft are mutually vertical. According to the invention, quick and accurate adjustment in a plurality of angles and positions can be realized, and the operation is easy; and the bracket provided by the invention can be used as an equatorial telescope and the theodolite, can be used for loading various types and specifications of astronomical telescopes, angle measuring equipment, camera shooting equipment and the like, and can erect two devices for observation or measurement at the same time when being used as the theodolite, and can be widely applied.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Astronomical site-selecting instrument guide star device and working method thereof

The invention discloses an astronomical site-selecting instrument guide star device and a working method thereof. The astronomical site-selecting instrument guide star device consists of a lens, a camera and guide star software, wherein an output signal is connected with an equatorial telescope. The astronomical site-selecting instrument guide star device is characterized in that an automatic guide adapter is arranged between the guide star software and the equatorial telescope. The automatic guide adapter is composed of a micro controller and a four-path switch switcher; the camera is used for continuously taking a candid photograph of the target area, and providing the candid photograph to the guide star software through a computer; the guide star software is used for processing the target area image, identifying a target celestial body, and sending the target celestial body position correction amount to the automatic guide adapter which controls the movement of the equatorial telescope. According to the astronomical site-selecting instrument guide star device disclosed by the invention, a star searching function and a star guide function share the same hardware, the device is simple; the target celestial body is automatically identified through an algorithm, and the astronomical site-selecting instrument is assisted to automatically search and point the target celestial body; the correction amount of target celestial body position is calculated in real time through the algorithm, and fed back to the equatorial telescope through the automatic guide adapter, so that the target celestial body is automatically tracked; when a telescope is caused to shake by wind load, the target celestial body also can be tracked.
Owner:NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE

Novel equatorial telescope

The invention discloses a novel equatorial telescope which comprises a base, an hour angle mechanism, a drift angle mechanism and the like. An hour angle worm gear and a drift angle seat are arranged on an hour angle shaft in a sleeving mode respectively, a fit clearance of the hour angle worm gear and the hour angle shaft is in accordance with that of the drift angle seat and the hour angle shaft, an hour angle shaft worm is fixed on a set position of the drift angle seat and meshed with the hour angle worm gear, when the hour angle worm gear is locked with the hour angle shaft under the action of a clutch locking mechanism, the hour angle worm rotates around the hour angle worm gear, and therefore the drift angle seat is driven to rotate around the hour angle shaft. According to the novel equatorial telescope, the hour angle worm gear and the drift angle seat are arranged on the hour angle shaft in a sleeving mode respectively, and the fit clearance of the hour angle worm gear and the hour angle shaft is in accordance with that of the drift angle seat and the hour angle shaft; due to the fact that only one type of the fit clearance exists, accumulation of fitting errors does not exist, and therefore the bearing capacity of the equatorial telescope is increased, precision of celestial body tracking is improved, and the stability is improved.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Stable-load bearing equatorial telescope mechanism

The invention relates to a stable load-bearing equatorial telescope mechanism. The mechanism comprises a drift angle pedestal, a polar axis, hour angle pedestal bearings, a counterweight, a hour angle pedestal, hour angle locking handles, positioning keys, positioning grooves, a counterweight rod and a polar telescope, the hour angle pedestal is divided into an upper block and a lower block, the polar axis is fixedly arranged at the middle of the hour angle pedestal, positions, close to the middle of the polar axis, of the upper block and the lower block of the hour angle pedestal are provided with the positioning keys, the middle positions, relative to the positions of the positioning keys, of the polar axis are provided with the two positioning keys, the hour angle pedestal bearings are arranged at two ends of the polar axis, the polar telescope is arranged below the polar axis, the hour angle locking handles are arranged at the outer sides of the hour angle pedestal bearings rightly above the polar axis, the lower right part of the drift angle pedestal is provided with the counterweight rod, the counterweight rod is fixedly connected with the drift angle pedestal, the counterweight is arranged at the lower end of the counterweight rod, and the counterweight has an annular shape and is fixedly connected with the counterweight rod. The stable load-bearing equatorial telescope mechanism has the advantage of reasonable design, ingenious concept, increase of the stability of an equatorial telescope, and simplicity in operation.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Focal length measuring method based on star ground observation system

The invention provides a focal length measuring method based on a star ground observation system, relates to the technical field of imaging instrument focal length measurement, and solves the problem that a one-dimensional spatial information slot-type imaging spectrometer cannot carry out field focal length measurement easily. The method comprises the steps of: calibrating an equatorial telescope polar axis, starting a star tracking system, utilizing an equatorial coordinate system of the equatorial telescope and the change relation between star signals and the visual field position in the instrument to carry out fine tuning on the slot height direction of the imaging spectrometer so as to enable the slot height direction to be perpendicular to a declination axis of the equatorial telescope, utilizing a high-precision equatorial coordinate control system of the equatorial telescope to use stars in the universe as point light sources, and rotating a fixed angular distance in the spatial dimension of the imaging spectrometer so as to calculate the focal length of the optical system. The star ground observation system is mainly composed of the equatorial telescope, an astronomical telescope and the imaging spectrometer, the measuring structure is simple, and the precision and efficiency of focal distance measurement are effectively improved by the usage of the equatorial telescope.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Polar axis calibration mechanism of equatorial telescope and calibration method thereof

The invention discloses a polar axis calibration mechanism of an equatorial telescope and a calibration method of the polar axis calibration mechanism. According to the polar axis calibration mechanism of the equatorial telescope, the equatorial telescope comprises a base, an hour angle assembly, a drift angle assembly, a latitude adjusting mechanism connected with the hour angle assembly, a horizontal direction hand wheel arranged at the lower end part of the base, and an hour angle locking handle wheel arranged at the tail end of the hour angle assembly; the polar axis calibration mechanism comprises a mounting plate, a connection seat, a polar axis lens and a gradienter; one end of the mounting plate is fixedly arranged at one side part of the drift angle assembly; the connection seat is connected with the other end of the mounting plate; the polar axis lens is arranged in the mounting plate and the connection seat in a manner of vertically penetrating and can be rotated in the mounting plate and the connection seat; the polar axis lens is internally and fixedly provided with a dividing plate with clock scales; the gradienter is fixedly arranged on the upper end face of the connection seat. The calibration mechanism is simple and reasonable in structure; the calibration of a polar axis can be rapidly and conveniently realized.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Latitude regulating mechanism of equatorial telescope

The invention discloses a latitude regulating mechanism of an equatorial telescope. The equatorial telescope comprises a supporting seat and an hour angle assembly, wherein the hour angle assembly is mounted on the supporting seat and can rotate round the supporting seat. The latitude regulating mechanism comprises a worm wheel, a worm, a joint, a compression spring, a wrench and a limit screw, wherein the worm wheel penetrates through a slot in the side face of the supporting seat and is fixedly connected with the hour angle assembly, and the worm is horizontally arranged under the worm wheel and meshed with the worm wheel; the joint is fixed arranged at one end of the worm, and the compression spring is arranged on the joint in a sleeving manner; the limit screw penetrates through a through hole in the wrench and is fixedly connected with the tail end of the joint, and the wrench is limited at the tail end of the joint; a tooth-shaped structure hinged with the exterior outline of the joint is arranged in the through hole in the wrench and can slide along the joint. The latitude regulating mechanism can achieve a protection effect after precisely adjusting the latitude of the equatorial telescope, and prevents change of the latitude of the equatorial telescope caused by accidental touch, thus overcoming the defects of the prior art.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Latitude adjusting mechanism for equatorial telescope bracket

The invention discloses a latitude adjusting mechanism for an equatorial telescope bracket. In the invention, the equatorial telescope bracket comprises a base and an hour angle box arranged on the base, wherein the hour angle box can rotate around a latitude revolving shaft arranged on the base. The latitude adjusting mechanism comprises a sliding chute formed on the base, a push rod capable of moving along the sliding chute, and a latitude screw rod, wherein the push rod is connected with the hour angle box in a matching way; the latitude screw rod can be used for pushing the push rod along the sliding chute; and a manual adjusting rod is arranged on the latitude screw rod, and is positioned above the base. Due to the adoption of the latitude adjusting mechanism, adjusting operation is convenient and comfortable, and the structure is simple.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Sun-image-movement-based atmosphere turbulence measurement apparatus and method thereof

The invention discloses a sun-image-movement-based atmosphere turbulence measurement apparatus and a method thereof. The apparatus comprises a sun image capturing component array, an automatic guide adapter, a solar orientation program, a synchronous controller, a daytime atmospheric turbulence measurement procedure and an equatorial telescope. The sun image capturing component array consists of two or three sets of sun image capturing components formed by band-pass filters, small telescopes, magnification lens combination units and cameras. The solar orientation program controls the equatorial telescope to complete sun position correction and automatic sun tracking by the automatic guide adapter. The daytime atmospheric turbulence measurement procedure controls the sun image capturing component array to collect a sun image synchronously by the synchronous controller to obtain an overall atmosphere seeing and a medium-resolution atmosphere turbulence profile. According to the invention, the sun can be tracked automatically; the overall sun surface can be observed; field installation and debugging can be realized conveniently; and the long-term operation demand can be satisfied.
Owner:南京理工大学紫金学院

Synchronization method of foundation-to-moon observation equatorial telescope

ActiveCN112070822AAccurate identificationSynchronization method is simpleImage analysisSurveying instrumentsFinderscopeImaging processing
The invention relates to an equatorial telescope synchronization method, aims to solve the technical problems of large manpower consumption and large precision error caused by the fact that an equatorial telescope synchronization correction method in the conventional astronomical observation field adopts a manual observation and adjustment method, and provides a foundation moon-to-moon observationequatorial telescope synchronization method. The method employs a finderscope to recognize the geometry center of the moon through image processing; the equatorial telescope can be synchronized without strictly aligning a slit type spectrograph with the optical axis of the finderscope, and a minimum circumscribed circle algorithm adopted for identifying the geometry center of the moon is not influenced by the lunar phase, and the center of the lunar sphere can be accurately identified without judging the lunar phase; the equatorial telescope is synchronized through the geometry center of themoon, additional star map data is not needed, and the synchronization method is accurate, simpler and more convenient.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

A latitude adjustment mechanism for an equatorial mount

The invention discloses a latitude regulating mechanism of an equatorial telescope. The equatorial telescope comprises a supporting seat and an hour angle assembly, wherein the hour angle assembly is mounted on the supporting seat and can rotate round the supporting seat. The latitude regulating mechanism comprises a worm wheel, a worm, a joint, a compression spring, a wrench and a limit screw, wherein the worm wheel penetrates through a slot in the side face of the supporting seat and is fixedly connected with the hour angle assembly, and the worm is horizontally arranged under the worm wheel and meshed with the worm wheel; the joint is fixed arranged at one end of the worm, and the compression spring is arranged on the joint in a sleeving manner; the limit screw penetrates through a through hole in the wrench and is fixedly connected with the tail end of the joint, and the wrench is limited at the tail end of the joint; a tooth-shaped structure hinged with the exterior outline of the joint is arranged in the through hole in the wrench and can slide along the joint. The latitude regulating mechanism can achieve a protection effect after precisely adjusting the latitude of the equatorial telescope, and prevents change of the latitude of the equatorial telescope caused by accidental touch, thus overcoming the defects of the prior art.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

An equatorial mount polar axis calibration mechanism and its calibration method

The invention discloses a polar axis calibration mechanism of an equatorial telescope and a calibration method of the polar axis calibration mechanism. According to the polar axis calibration mechanism of the equatorial telescope, the equatorial telescope comprises a base, an hour angle assembly, a drift angle assembly, a latitude adjusting mechanism connected with the hour angle assembly, a horizontal direction hand wheel arranged at the lower end part of the base, and an hour angle locking handle wheel arranged at the tail end of the hour angle assembly; the polar axis calibration mechanism comprises a mounting plate, a connection seat, a polar axis lens and a gradienter; one end of the mounting plate is fixedly arranged at one side part of the drift angle assembly; the connection seat is connected with the other end of the mounting plate; the polar axis lens is arranged in the mounting plate and the connection seat in a manner of vertically penetrating and can be rotated in the mounting plate and the connection seat; the polar axis lens is internally and fixedly provided with a dividing plate with clock scales; the gradienter is fixedly arranged on the upper end face of the connection seat. The calibration mechanism is simple and reasonable in structure; the calibration of a polar axis can be rapidly and conveniently realized.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Latitude adjusting mechanism of combined type equatorial telescope

The invention discloses a latitude adjusting mechanism of a combined type equatorial telescope. The latitude adjusting mechanism comprises a base, an hour angle mechanism and a deflection angle mechanism, wherein the hour angle mechanism is connected with the base and can be driven by the latitude adjusting mechanism to rotate around a latitude shaft; the hour angle mechanism is detachably connected with the deflection angle mechanism; the latitude adjusting mechanism comprises two brackets which are fixedly arranged on the base at interval, a connection base which is clamped between the brackets and is connected with the brackets through a rotary shaft, and a screw rod mechanism; the hour angle mechanism is fixedly arranged above the connection base; and the connection base can do rotary movement under the driving of the screw rod mechanism. By adjusting the screw rod mechanism, the connection base can be driven to rotate around the rotary shaft, so that the adjustment of latitude is realized. The latitude adjusting mechanism of the combined type equatorial telescope has the advantages of simple structure, convenience for operation and relatively low manufacturing cost.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Equatorial telescope bracket

The invention relates to an equatorial telescope bracket which comprises a base, a hour angle mechanism and a deflection angle mechanism, wherein the hour angle mechanism is connected with the base and driven by a latitude regulating mechanism to rotate around a latitude shaft; the deflection angle mechanism is connected with the hour angle mechanism and manually regulated or driven by a hour angle driving mechanism to rotate around a hour angle shaft; the deflection angel mechanism is connected with a connecting lens cone support plate; the support plate can be manually regulated or driven by a deflection angle driving mechanism to rotate around a deflection angel shaft; an independent hour angle position detection mechanism and deflection angle position detection mechanism are respectively arranged in the hour angle mechanism and the deflection angle mechanism; the hour angle position detection mechanism and the deflection angle position detection mechanism are matched to form a dual encoder and connected with a control unit to form a closed-loop control system; and hour angle and deflection angle clutch mechanisms are arranged in the hour angle mechanism and the deflection angle mechanism. The equatorial telescope bracket provided by the invention has the advantages of simple and compact structure, convenience in assembly and maintenance, convenience in operation and high accuracy, has the manual and automatic regulating functions and can be widely applied to astronomy and other engineering fields which need to carry out angel measurement.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

Equatorial telescope theodolite composite bracket

ActiveCN102207381BSuitable for useSuitable for a wide range of geographical areasTheodolitesTheodoliteAngular degrees
The invention relates to an equatorial telescope and theodolite composite bracket which comprises a base, an hour angle mechanism and a deflection angle mechanism, wherein the hour angle mechanism is connected with the base and can rotate around a latitude shaft under the driving of a latitude regulating mechanism; the deflection angle mechanism is connected with the hour angle mechanism and can rotate around an hour angle shaft under the driving of an hour angle driving mechanism; two sides of the deflection angle mechanism are respectively connected with a lens barrel connection base, the lens barrel connection base can rotate around a deflection angle shaft under the driving of a deflection angle driving mechanism; and the hour angle shaft and the deflection angle shaft are mutually vertical. According to the invention, quick and accurate adjustment in a plurality of angles and positions can be realized, and the operation is easy; and the bracket provided by the invention can be used as an equatorial telescope and the theodolite, can be used for loading various types and specifications of astronomical telescopes, angle measuring equipment, camera shooting equipment and the like, and can erect two devices for observation or measurement at the same time when being used as the theodolite, and can be widely applied.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

A tripod stand on an equatorial mount

ActiveCN108758271BRectification structureEasy to placeStands/trestlesScrew threadEquatorial mount
The invention discloses a tripod of an equatorial telescope. The tripod comprises a connection base and three support legs, wherein a connection pillar is formed in the end of the top surface of the connection base; three articulation support lugs are formed in the side wall of the connection base; each support leg comprises an outer support pipe; a connection joint is formed in the upper end of each outer support pipe; an articulation support seat is formed in each connection joint; each articulation support seat is articulated with each articulation support lug through an articulation shaft;a guide groove is formed in the side wall of each outer support pipe; an inner support rod is inserted in each outer support pipe; the exterior of each outer support pipe is inserted and sleeved witha sliding sleeve; a conical pipe thread sleeve is formed in the lower end of each sliding sleeve; a plurality of cutting grooves are formed in each pipe thread sleeve and are used for cutting the pipe thread sleeve into a plurality of arc-shaped sheets; each pipe thread sleeve is screwed with a locking sleeve; each sliding groove is inserted with a connection rod; one end of each connection rod passes through each guide groove of each outer support pipe and is fixed in each inner support rod. According to the tripod of the equatorial telescope, the support leg structure of the tripod is improved, so that the constraint of folding the support legs is facilitated; meanwhile, a tripod tray can be conveniently placed on the tripod after the support legs are unfolded.
Owner:海门市知舟工业设计有限公司

A tripod with optimized structure on equatorial mount

The invention discloses a structurally-optimized tripod on an equatorial telescope. The tripod comprises a connecting seat and three supporting feet. A connecting column is formed at the top face endof the connecting seat, and three hinged supporting lugs are formed on the side wall of the connecting seat. The supporting feet each comprise an outer supporting pipe, an inner supporting rod, a sliding sleeve and a locking sleeve; connecting rods are inserted on the sliding sleeves, one ends of the connecting rods penetrate through guiding grooves of the outer supporting pipes to be fixed to theinner supporting rods, the other ends of the connecting rods stretch out of the sliding sleeve, and spherical outer shells are formed at the other ends of the connecting rods; and balls are insertedinto the outer shells, supporting rods are formed on the balls, the outer ends of the supporting rods are fixed to the outer side edge of an annular support seat through screws, and the annular support seat is horizontally distributed under the connecting seat. The supporting foot structure of the tripod is optimized, closing of the supporting feet is conveniently restrained, and meanwhile, a tripod tray can also be conveniently placed after the supporting feet are expanded.
Owner:ZHUJI QIHANG ENTERPRISE MANAGEMENT CONSULTING CO LTD

Harmonic equatorial telescope mounting device

The invention discloses a harmonic equatorial telescope mounting device, and relates to the technical field of astronomical observation, the harmonic equatorial telescope mounting device comprises an equatorial telescope body, a mounting support plate, a side support mechanism and a mounting base, the declination axis end face of the equatorial telescope body is detachably connected with the upper end of the mounting base, and the lower end of the mounting base is provided with a tripod interface; the top-mounted supporting plate can be detachably connected to an elevation angle base of the equatorial telescope body, an elevation angle adjusting knob and a horizontal adjusting knob on the equatorial telescope body are used for adjusting the position of the top-mounted supporting plate relative to the equatorial telescope body and locking the top-mounted supporting plate, and the top-mounted supporting plate is used for mounting a telescope mounting seat. And the side supporting mechanism is mounted on one side, far away from the elevation angle base, of the upper mounting supporting plate and plays a supporting role on one side of the equatorial telescope body. According to the harmonic equatorial telescope loading device, the supporting stability is improved, and meanwhile, the harmonic equatorial telescope loading device can be used for mounting a binocular telescope.
Owner:上海艾镁肯科技有限公司

Novel polar axis telescope

ActiveCN111999881AAccurately Adjust AlignmentRadio-controlled time-piecesTelescopesSkyEngineering
The invention discloses a novel polar axis telescope which comprises an optical telescope, a display screen replacing a reticle and a control circuit. The display screen is provided with one or more circles of packaged breakpoints, each breakpoint is provided with a transparent wire to be connected with the control circuit, and the control circuit controls each breakpoint to be turned on and turned off. The angular radius of the one-circle or multi-circle breakpoint circular ring is 1 degree and is the same as the radius of the circumferential angle of the north-of-the-day round of the arcticstar; a time position acquisition module is integrated with the control circuit; the control circuit calculates the clock position of the arctic star relative to the north of the sky according to theobtained geographical position and time, and lightens a breakpoint representing the correct position of the arctic star; the north polar star and the correct position needing to be adjusted are observed at the same time in the field of view, and the north polar star is adjusted to coincide with the breakpoint lightened at the correct position, so that the equatorial telescope can be accurately aligned to the north-sky level to bypass the right ascension axis to achieve accurate tracking. Additional auxiliary equipment is not needed, and a user is assisted to rapidly and accurately align to thenorth pole.
Owner:GUANGZHOU BOSMA CORP

Lunar positioning method for slit type spectrometer

The invention relates to a lunar calibration method, and provides a lunar positioning method for a slit type spectrograph in order to solve the technical problems that when foundation lunar observation is conducted through cooperation of the slit type spectrograph, an equatorial telescope and a guide star mirror, spectral image transformation is established, the right ascension and declination coordinate transformation corresponding relation of the equatorial telescope is difficult, and consequently the observation error is large. By establishing the corresponding relationship between the moonimage change of the slit type spectrometer and the right ascension coordinate and declination coordinate change of the equatorial telescope serving as the rotary table, the equatorial telescope can be accurately corrected in the moon positioning process, so that the pointing error of the equatorial telescope is avoided, the moon calibration accuracy is improved, and the problem of accurate moon positioning of the slit type spectrometer is solved.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Equatorial telescope mechanism capable of stably bearing loads

The invention relates to an equatorial telescope mechanism capable of stably bearing loads. The equatorial telescope mechanism comprises a latitude base, an hour angle base, a deflection angle base, aright ascension shaft and a balance weight. The latitude seat comprises a seat body, the two sides of the base body are vertically connected with the side plates correspondingly, and arc-shaped sliding grooves are respectively formed at the inner side. The two sides of the hour angle base are connected with sliding rails respectively, arc-shaped protrusions are arranged on the two sliding rails respectively, correspond to each other in a one-to-one correspondence manner, are arranged in the sliding grooves, penetrate through the two ends of the sliding grooves and are in slip and cooperativeconnection with the sliding grooves. One upper end of the hour angle base extends to form a columnar protrusion, and the other upper end is fixedly connected with right ascension shaft. The columnar protrusion is coaxial with the right ascension shaft, the two lower ends of the deflection angle base are rotationally installed on the columnar protrusion and the right ascension shafts through bearings respectively, and the balance weight is connected with the deflection angle base through a balance weight rod. According to the equatorial telescope mechanism, a G-shaped structure is formed, the borne weight is located at the two ends of the mechanism, equivalently, the weight of all the loads is divided into two parts, the two ends bear half respectively, and therefore the equatorial telescope mechanism is higher in bearing capacity and is more stable.
Owner:NANTONG SCHMIDT OPTO ELECTRICAL TECH CO LTD

A fast pointing and tracking device and method

The invention relates to a rapid orientation and tracking device. The device is characterized in that an optical system, a filter, a CCD camera, a first GPS antenna, a second GPS antenna and a GPS / INS host computer are sequentially fixedly connected with an upper portion of the connection board, a viewing mirror is fixedly connected with a lower portion of the connection board, the connection board is arranged on an equatorial instrument, the equatorial instrument is arranged on a support, the CCD camera is connected with the computer through a cable, the first GPS antenna is connected with the GPS / INS host computer through a cable, the second GPS antenna is connected with the GPS / INS host computer through a cable, the GPS / INS host computer is connected with the computer through a cable, and the equatorial instrument is connected with the computer through a cable. The device is advantaged in that rapid orientation and high precision tracking of a selected fixed star or a target can be accomplished, polar axis alignment of the equatorial instrument can be realized through the position and attitude angle information provided by a double-antenna GPS / INS combined navigation and positioning system, the Kalman filtering technology is utilized to combine a photoelectric imaging tracking system with an equatorial instrument tracking system for application, and the system is made to have relatively strong anti-interference capability.
Owner:CHANGCHUN UNIV OF SCI & TECH
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