32 results about "Equatorial mount" patented technology

The invention relates to an automatic star finder control apparatus for a portable astronomical telescope and its control method. The apparatus comprises power input interface, main controller, equatorial instrument driving controller. The main controller includes central processing unit (CPU), random accessing memory (RAM), flash memory (FLASH), press-key, graphical dot matrix liquid crystal display, buzzer, white light-emitting diode back lamp, white light-emitting lighting lamp, RS232 serial interface, internal serial bus; the equatorial instrument includes single chip micro processor, dual-direction reversible PWM driving circuit, direct current motor, photoelectricity code disc and photoelectricity code disc detecting circuit, current foldback circuit. The invention controls motion of the equatorial instrument driving controller via calculating coordinate of object celestial body in the equatorial instrument with the micro processor of the main controller, realizing pointing and tracking the object celestial body with 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.

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.

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.

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.

The invention discloses a Hoshino equatorial telescope bracket device. The bracket device comprises a tripod, a latitude adjusting mechanism and a Hoshino equatorial telescope, wherein the latitude adjusting mechanism and the Hoshino equatorial telescope are sequentially connected to the tripod. The device further comprises a connecting mechanism used for erecting camera equipment or star finding equipment, a clamping groove is formed in the connecting end face of the Hoshino equatorial telescope, one side face of the connecting mechanism is provided with a sliding strip matched with the clamping groove, and the connecting mechanism is clamped to the Hoshino equatorial telescope through the match of the sliding strip and the clamping groove. Through the combination of all the components of the connecting mechanism, one or two pieces of erecting camera equipment or star finding equipment can be erected freely to meet multi-aspect needs of a user, celestial bodies are more convenient and free to observe and shoot, and cost for buying devices is reduced.

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.

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.

The invention discloses a polar axis telescope, comprising an optical telescope, a display screen instead of a reticle, and a control circuit; the display screen has one or more breakpoints packaged in one circle, and each breakpoint is connected to the control circuit by a transparent wire. The control circuit controls the lighting and closing of each breakpoint; the angular radius of the circle of one or more breakpoints is 1°, which is the same as the circle angular radius of the Polaris orbiting Tianbei; the control circuit is integrated with the time position Acquisition module; the control circuit calculates the clock position of Polaris relative to Tianbei according to the acquired geographic location and time, and lights up the breakpoint representing its correct position; observe Polaris and the correct position that needs to be adjusted in the field of view at the same time, Adjust the Polaris to coincide with the broken point that is lit at the correct position, and then you can accurately align the Tianbei stage so that the equatorial mount can go around the right ascension axis to achieve precise tracking. The invention does not need to add additional auxiliary equipment, and assists the user to quickly and accurately align the North Pole.

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.