122results about How to "Improve the efficiency of assembly and adjustment" patented technology

The invention relates to an auxiliary adjustment device for optical lenses and belongs to the field of optical systems. The auxiliary adjustment device for optical lenses solves the technical problems that as the center deviation and the lens interval of optical lenses are detected separately in the prior art, the measurement accuracy is low and cost is high. The auxiliary adjustment device for optical lenses comprises a center deviation measurement module, a lens interval measurement module, a reflector, a linear guide rail, a precision turn table, a mechanical adjustment platform and a main control computer, wherein the center deviation measurement module comprises an optical lighting module, a beam splitter, a collimating lens set, a focus lens set, a photoelectric detector and a linear displacement sensor. The auxiliary adjustment device for optical lenses integrates the center deviation measurement function and the lens interval measurement function for optical lenses, not only is the manufacturing cost low, but also it is ensured that the same reference axis is adopted in the adjustment process of optical lenses, the adjustment accuracy of optical lenses can be improved, the adjustment process of optical lenses is simplified, and consequently the adjustment efficiency of optical lenses is improved.

The invention proposes an installation and adjustment system and method for a multi-layer nested X-ray grazing incidence optical lens, and the system comprises a suspension subsystem, a measurement subsystem, a displacement subsystem, a pre-installation supporting device, an optical supporting platform, and a focal plane receiving screen. The method comprises seven steps: preparation, suspension, pre-installation, alignment, measurement, binding, and supporting structure installation. The system and method can greatly improve the installation and adjustment precision, speed and yield of the multi-layer nested X-ray grazing incidence optical lens, achieve no-stress installation and adjustment, improve the optical performance, are easy to implement, is high in universality, is high in installation and adjustment precision, and is high in installation and adjustment efficiency.

The invention belongs to the technical field of aerospace optical remote sensors, and relates to a focal plane adjustment method for an off-axis three-lens camera. The off-axis three-lens camera has strict requirements on focal adjustment, the infinite coplanar performance of each visual field of the focal plane of the camera needs to be guaranteed, the two ends of a CCD device in an focal plane assembly of the camera need to be guaranteed to be on the same horizontal plane, and the center of the CCD device of the camera and a satellite reference need to be guaranteed to be within the error range. Especially for an off-axis three-lens system, a certain inclination angle exists between the position of the imaging CCD device and the mounting plane of the focal plane, when adjustment is performed on the above assembling requirement, and results of the other two indexes also change correspondingly, so that the above requirement is more difficult to meet. The invention provides a method for directing focal plane adjustment through simulation estimation, and elaborates crucial techniques in the method, and the method is verified on the off-axis three-lens camera, so that the high-precision assembling requirement of the focal plane of the camera is met.

The invention discloses a method for adjusting reflectors through a decentration measuring instrument. An adjusting mechanism comprises reflector position adjusting blocks (1), the reflectors (2), reflector bases (3), optical flats (4), optical flat fixing seats (5), inner hexagon screws (6), the decentration measuring instrument (7) and an air flotation turntable (7a). The method comprises the main steps that the reflectors (2) are fixed in the reflector position adjusting blocks (1) in an adhesive dispensing mode; the relative position of the reflector position adjusting blocks (1) and the reflector bases (3) is adjusted and fixed through the inner hexagon screws (6); the optical flats (4) are arranged on the reflector bases (3); the reflector bases (3) are fixed on the decentration measuring instrument (7). The method mainly achieves the aim that in the process of adjusting high-precision folding type optical lenses, mounting of the reflectors and the actual optical centre positions of the lenses can be monitored and adjusted in real time, the adjusting efficiency of the high-precision folding type optical lenses is improved, adjusting cost is lowered, and the imaging quality of the lenses is guaranteed.

The invention discloses a solar wing / antenna unfoldable supporting truss. The solar wing / antenna unfoldable supporting truss includes a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod. According to the solar wing / antenna unfoldable supporting truss of the invention, a truss rod system is optimized; the unfolding structure of an existing mechanism is simplified; the number of rod components can be decreased; a V-shaped oblique supporting type structure is adopted, so that the support stiffness of the solar wing / antenna unfoldable supporting truss in various spatial directions can be increased; inter-rod hinges are obliquely folded crossing type hinges, and therefore, the enveloping size of the folded truss rod system can be decreased, and the folding ratio of the supporting truss can be improved. The invention also provides an assembly adjustment method of the solar wing / antenna unfoldable supporting truss. With the method adopted, the rod components are not required to be dissembled and assembled in an installation and adjustment process. The method has the advantages of simplicity, convenience, easiness in implementation and high installation and adjustment efficiency.

The invention provides an SDOF (Six Degrees of Freedom) parallel automatic offset adjusting system and method for an optical lens and belongs to the technical field of precision automatic assembly ofoptical lens. Automatic offset adjustment is realized based on a measurement result of decentration and an SDOF parallel structure. The system is mainly composed of a lens barrier adjusting module, adecentration measuring module and an automatic offset adjusting module. The automatic offset adjustment method includes calculating two centers of sphere of a to-be-assembled lens based on the decentration measurement data and driving the SDOF parallel structure for offset adjustment. A method of alternative conduction of measurement and adjustment is employed; namely, whether an offset adjustmentresult meets requirements or not is verified through re-measuring the decentration after each process of offset adjustment. If the offset adjustment result does not meet the requirements, offset adjustment is performed again through refitting of optical axis until the precision meets requirements. According to the invention, integration of decentration measurement and lens automatic adjustment isachieved and measurement of lens decentration and offset adjustment can be realized quickly. Lens offset adjusting precision can be ensured to meet requirements and lens assembly efficiency is improved greatly.

A secondary mirror supporting mechanism capable of quick adjusting belongs to the field of secondary mirror supporting mechanisms of electro-optic theodolites, and comprises a secondary mirror barrel, a plurality of first bolts, a secondary mirror seat, a plurality of second bolts, a plurality of secondary mirror pressing blocks, a plurality of third bolts, a plurality of sliding wedge blocks, a plurality of adjusting bolt seats, a plurality of fourth bolts, a plurality of adjusting bolts, a plurality of fixed wedge blocks, and a connecting cylinder, wherein the secondary mirror seat comprises a secondary mirror seat body, a secondary mirror seat boss, and a secondary mirror seat counter bore; the secondary mirror barrel comprises a secondary mirror barrel body, a secondary mirror barrel three-flanged flange, a three-flanged flange center hole, a secondary mirror barrel ring-shaped boss, and a secondary mirror barrel flange; each sliding wedge block comprises a sliding wedge block body, a sliding wedge block round hole, and a sliding wedge block slotted hole; each fixed wedge block comprises a fixed wedge block body and a fixed wedge block round hole; the connecting cylinder comprises a connecting cylinder body, a connecting cylinder flange, and a clamping groove. According to the invention, the optical precision adjusting process can be finished without detaching the secondary mirror repeatedly or repairing a secondary mirror adjusting cushion; the adjusting process of the secondary mirror is simple and accurate, and the adjusting efficiency can be adjusted greatly.

The invention belongs to the space optical technology field and especially relates to an adjustable reflecting-mirror Bipod flexible support structure, a support device and an assembling adjusting method. The adjustable reflecting-mirror Bipod flexible support structure comprises two flexible rods whose top portions are connected, and a bidirectional adjusting mechanism. The bidirectional adjusting mechanism comprises a fixing support and a bidirectional ball screw installed on the fixing support. Two ends of the bidirectional ball screw are provided with screw joints respectively. The bidirectional ball screw possesses two segments of screw threads whose screw pitches are the same and rotation directions are opposite. When the bidirectional ball screw is rotated, the two screw joints symmetrically move along the ball screw. Bottoms of the two flexible rods are hinged to the two screw joints respectively. The two flexible rods can rotate about a top portion connection point. The fixing support is provided with a servo motor used for driving the bidirectional ball screw to rotate and a potentiometer used for recording and feeding back a rotation direction and an angle of the bidirectional ball screw.

The invention relates to a system and a method for realizing high-precision orthogonality adjustment of an image surface of a star sensor. The problems of low efficiency and low adjustment precision of the adjustment mode of the star sensor in the prior art are solved. The system comprises an illumination light source, a target test target component, a large-view-field collimator, a star sensor and a control processing module. The target test target component comprises a one-dimensional translation platform and a target test target arranged on the one-dimensional translation platform; the target test target is at least provided with a central star point, an upper star point, a lower star point, a left star point and a right star point, wherein the central star point is arranged in the center of the target test target, and the upper star point, the lower star point, the left star point and the right star point are uniformly distributed on the circumference which takes the central star point as the center of a circle; the illumination light source, the target test target component, the large-view-field collimator and the star sensor are arranged in sequence; and the control processing module is respectively connected with the one-dimensional translation platform, an installation adjusting frame and the star sensor. Meanwhile, the invention also provides a method for realizing high-precision orthogonality adjustment of the image surface of the star sensor.

The invention discloses a primary and secondary lens calibration method based on a neural network algorithm. The method comprises the steps of firstly, establishing a primary and secondary lens imbalance model through simulation software, and then obtainining a corresponding Zernike polynomial coefficient through the randomly-added imbalance; secondly, combining the offset and a corresponding Zernike polynomial coefficient into a data set, and repeating the above steps to obtain a sufficient data set; then, using the data set as a training sample to train the neural network; and finally, inputting the Zernike polynomial coefficient representing the to-be-tested system into the trained neural network, and further obtaining the misalignment of the primary and secondary lens alignment. The method is suitable for calculating the alignment offset of various types of lenses, can effectively improve the installation and adjustment efficiency of the optical lens of a telescope system, and is suitable for the real-time calibration of the primary and secondary lenses.

The method comprises: attaching the video signal cable of the video camera to the image collecting card that is installed in a computer; the video signals outputted from the video camera are inputted into the computer through the image collecting card; the computer reads the image data, and then calculates and displays the gray scale difference between two neighboring pixels and the distance between the optical crosshair and the center of the viewing field; according to the displayed data, adjusting the position of the video camera to let its target surface be on the image surface of the optical system and to let the optical crosshair overlap the center of the viewing field.

The invention discloses a light source device, a light source production method and a laser projection machine containing the light source device. The light source device comprises a first laser light source, an alignment component, a reflection component, a first light-gathering component, a dichroic component, a driving component, a wavelength conversion component, a third light-gathering component and a light reception component. According to the light source device, the light source production method and the laser projection machine containing the light source device, the problem that the light source is periodically changed in brightness can be effectively avoided, and the picture quality of the projection machine is greatly improved.

The invention discloses a device for assembling and regulating a lens of a projection objective of a lithography machine and relates to the technical field of manufacturing, assembly and regulation of the lens of the projection objective of a deep ultraviolet lithography machine. By the device, high-precision automatic assembly, detection and regulation of the lens of the lithography projection objective are realized. The device comprises a Z-axis stand column, an upper detection stand column, an upper detection head, a movable regulation platform, an air floatation rotary table, a horizontalmarble platform, a regulation mechanism, four vibration isolation supporting legs and a regulation platform connection bracket, wherein the Z-axis stand column, the upper detection stand column and the air floatation rotary table are vertically fixed on the horizontal marble platform respectively; the upper detection head is fixed on the upper detection stand column through an upper detection head frame; the regulation mechanism is fixed on the upper surface of the movable regulation platform; the movable regulation platform is fixed on the Z-axis stand column through the regulation platform connection bracket; and the horizontal marble platform is supported on a vibration isolation foundation through the four vibration isolation supporting legs. The device has high instantaneity and greatly improves the assembly and regulation efficiency of the lithography projection objective.

An adjustment method for primary and secondary reflectors of a Cassegrain optical system is disclosed. The invention belongs to the optical adjustment technology and particularly relates to the adjustment method for primary and secondary reflectors of the Cassegrain optical system. The method comprises the steps of adjusting the primary reflector, adjusting the secondary reflector, and adjusting the distance between the primary and secondary reflectors. According to the technology provided by the invention, on one hand, a process spherical surface is designed for the secondary reflector, and the centering adjustment of the secondary reflector is converted into the centering adjustment of a lens, so that the limitation of the working principle of a center deviation measuring instrument is avoided, and the technology is suitable for the high-precision adjustment of an aspheric reflector. On the other hand, the distance between the primary reflector and the secondary reflector is accurately measured by using the non-contact measurement function of the center deviation measurement instrument. The method is universally suitable for optical systems of visible light, infrared light and other wave bands, and the adjustment efficiency is high.

The invention discloses a rapid adjustment method of a reflective concentric optical system, and relates to the field of adjustment of optical systems. The problems that a wave-front method is high in adjustment environment requirement, complex in process and low in efficiency and accuracy are solved. The method includes the steps that auto-collimation light of an autocollimator enters an entrance slit and then enters the center of the plane of a detector through the reflective concentric optical system, and the connecting line of the center of the entrance slit and the center of the plane of the detector is namely the adjustment axis of the reflective concentric optical system; the autocollimator aligns with the adjustment axis of the reflective concentric optical system, a positioning ball is adjusted to make the center of the ball located on the axis, wherein the center of the positioning ball is the position of the centers of the spheres of optical elements of the reflective concentric optical system when the optical elements are installed; the center of the sphere of a primary mirror and the center of the sphere of a third mirror are measured through the autocollimator, the spatial position of the primary mirror and the spatial position of the third mirror are respectively positioned through the positioning ball by the utilization of an auto-collimation image of the autocollimator, and the five degrees of freedom of the primary mirror and the third mirror are determined. The method has no special requirements for the adjustment temperature environment and the vibration environment, and adjustment efficiency is high.

The invention provides a card-type optical system installation and adjustment method and belongs to the ray machine installation and adjustment technology field. A card-type optical system is taken asthe important component of an imaging device, and installation and adjustment quality influences whole product performance. Because of the particularity of the structure, during an installation and adjustment process, the coaxiality of a main mirror and a secondary-mirror main optical axis, and the optical interval of the main mirror and the secondary mirror are difficult to guarantee so that theassembling precision of the card-type optical system can not satisfy a design requirement and even imaging quality is impacted. By using the installation and adjustment method, through using an installation and adjustment platform, an internal focusing light pipe, a standard ball and other devices, the coaxiality of the main mirror and the secondary-mirror main optical axis, and the optical interval in the card-type optical system are guaranteed, and the assembling efficiency and the quality of the card-type optical system are increased.

The invention discloses a device and method for adjusting a laser polarization beam-combining optical path. The device includes a horizontally placed substrate; an indication light source positioned on the substrate and used for emitting indication light; a first component positioned on the substrate, located on a light emergent direction of the indication light source and provided with a through hole for the indication light to pass through; and second components positioned on the substrate, positioning marks being arranged in positions on the second components at a height consistent with that of the through hole of the first component. The indication light source and the first component are arranged on an optical path of light output by a polarization beam combiner corresponding to a laser polarization beam-combining optical path; and one second component is arranged on an optical path where a first laser is, and one second component is arranged on an optical path where a second laser is. The device and method for adjusting the laser polarization beam-combining optical path are based on an optical path reversibility principle, adjust optical elements in the laser polarization beam-combining optical path, simplify the adjustment process of the laser polarization beam-combining optical path, and can improve adjustment efficiency.

The embodiment of the invention provides a camera zoom optical system optical axis consistency adjusting method and a display instrument. When a zoom optical lens of a camera and an image sensor are assembled, the coincidence adjustment of the long-focus optical axis and the short-focus optical axis and the image center of the image sensor is assisted, a position needing to be adjusted is directlydisplayed by superposing an icon on an original image, and the adjustment efficiency of optical axis consistency adjustment can be greatly improved.

The invention discloses a device of measuring laser optical fiber transmission. The device comprises a diaphragm, a laser emitting unit provided with an optical fiber connector and a beam receiving screen used for receiving laser; the diaphragm is detachably located at the front end of a laser outlet of the laser emitting unit and is used for measuring an optical fiber core diameter; the beam receiving screen is provided with a round mark with the center thereof collinear with the axis of the optical fiber connector; and the radius of the round mark is a spot radius of emitted laser when the laser enters via an optical fiber critical angle. In the device of measuring the laser optical fiber transmission, the optical fiber core diameter is measured by the diaphragm, then the corresponding round mark is further obtained, and the optical fiber is irradiated by the laser. By comparing the image of the optical fiber connector at the beam receiving screen with the round mark, a transmissionmode of the laser in the optical fiber can be obtained rapidly, time taken for adjusting optical fiber coupling is simplified, and the optical fiber coupling adjustment efficiency is increased.

The invention relates to a hyper spectral imaging device and method based on birefringence polarization interferometry. The hyper spectral imaging device comprises a polarization beam splitter, a half-wave plate, a Wollaston prism, a pyramid reflector, an imaging objective and a detector. Incident light from a target produces interference on the detector, by means of a built-in interferometric scanning mode, the detector obtains the interferometric image information of the target, and finally spectrum information of the target is obtained through Fourier transform spectrum reconstruction. According to the invention, one Wollaston prism and the pyramid reflector are combined to form a transverse shearing beam splitter for the first time, the complex rate and the manufacture cost of a hyper spectral imager are reduced, and the system stability and the spectrum reconstruction precision are improved. The hyper spectral imaging device and method provide an effective technological approach for a hyper spectral imager which is low in complex rate and high in stability, and is light, small and multifunctional.

The invention relates to a dual-channel focal plane registering adjusting device and method, specially relates to the multi-channel focal plane camera inter-channel high precision registering and adjusting, and belongs to the space optical remote sensor technical field. The method solves the sub-channel focal plane camera inter-channel spectral band registering problem, thus possibly realizing remote sensing camera multi-spectral band detection in a multi-channel mode, and providing important meanings for application and development of resource exploration remote sensing cameras.

The invention discloses a long-wave infrared continuous-zooming online fast compensation installing and adjusting device and method. The compensation device comprises a reflecting infrared collimator (101), a reflector (102), a black body (103), a calibration target (104), a long-wave infrared continuous-zooming lens (105), an adjusting device (106), a detector (107), a control circuit (108) and a display (109), and the long-wave infrared continuous-zooming lens (105), the adjusting device (106) and the uncooled infrared detector (107) form a relatively independent subsystem. The device solves the problem of defocusing caused by zooming process of the infrared continuous-zooming lens, installing and adjusting efficiency of the high-accuracy continuous-zooming lens is improved, installing and adjusting cost is reduced, and damage risks of the lens caused by repeatedly disassembling and assembling in the assembly and calibration process are avoided.

The invention discloses a light source device, a light source generation method and a laser projector with the light source device. The light source device comprises first laser light sources, collimation parts, a reflection part, a first condensation part, a dichroic part, a drive part, a second condensation part, a wavelength conversion part, a third condensation part, a light receiving part and a reflection steering mirror group. According to the light source device, the light source generation method and the laser projector with the light source device, the problem of periodical brightness variation generated by a light source can be effectively solved, and the quality of a projected image can be greatly improved.

The invention relates to a self-adaptive lens applied to a coaxial reflection type optical system. The self-adaptive lens comprises a primary mirror, a secondary mirror, a secondary mirror support rodand a primary mirror support structure which are made of SIC materials. A prism is arranged on the primary mirror support structure. The self-adaptive lens also includes a secondary mirror support seat connected with the primary mirror support structure through the split type secondary mirror support rod. The secondary mirror support seat adopts a carbon fiber composite material with a linear expansion coefficient matching that of the SIC material. The lens has better thermal stability; a problem of thermal sensitivity of a reflective lens is thoroughly solved; and the athermalization designof the lens is realized. No weak link exists, the overall mechanical stability is very high, and the unit density is only 3.5 g / mm < 3 >; a TC4 or 4J32 flexible transition link appearing in the traditional reflection lens is omitted, the benchmark of the whole system is unified, accumulated errors are reduced, the allowable error amount of a single piece is increased, the complexity of installation and adjustment is reduced, the installation and adjustment efficiency is improved, namely, the production time is shortened, and the production cost is reduced.

The invention relates to a device and a method for measuring focal length, rear cut-off distance and resolution of a non-coaxial optical system. The device at least comprises a light source, a parallel light tube, a curved mirror, an off-axis lens assembly and a measuring microscope. The light source is arranged at the front end of the parallel light tube. The focal plane of an objective lens between the light source and the parallel light tube is provided with a Porro board or a resolution board for supplying an object image plane. The curved mirror is arranged at the outlet side of the parallel light tube. The object image plane which is radiated by the light source emits a parallel light beam through the parallel light tube. The parallel light beam is received by the curved mirror. The parallel light beam enters the measuring microscope for the object image plane through the off-axis lens assembly. The measuring microscope is utilized for reading numbers and measuring. The device and the method can improve quality in measuring the focal length, the rear cut-off distance and the resolution of the non-coaxial optical system. Furthermore the device and the method can improve adjusting efficiency and reduce labor intensity of adjusting personnel.

The invention, which relates to the field of high-precision large-aperture multichannel optical system adjustment, discloses a large-aperture off-axis catadioptric multichannel optical system adjustment method. With a reverse adjustment method, a problem of large-aperture off-axis paraboloid main mirror surface type adjustment is solved without a compensator. Therefore, the adjustment and detection efficiency of the large-aperture off-axis catadioptric multi-channel optical system are improved and the cost is lowered. Adjustment and detection from an optical element to an optical system can berealized by establishing a primary reference; a large-aperture off-axis reflector can be adjusted and follow-up light paths can be adjusted in sequence. Optical index detection of the imaging qualityand the field of view of the detector can be carried out after adjustment completion in the whole system. reference transmission and additional detection tool design are not needed in the adjustmentand detection process, so that the optical adjustment efficiency is greatly improved; and the time cost and the economic cost in the system building process are reduced while the adjustment precisionis ensured.

The invention relates to an off-axis metal reflector capable of being quickly positioned. The reflector comprises a reflector body and three flexible supporting structures. The first flexible supporting structure and the second flexible supporting structure are integrally connected to the two vertex angles of the reflector body. The third flexible supporting structure is integrally connected to the middle of the bottom of the reflector body, and the bottom of the third flexible supporting structure is provided with a V-shaped positioning surface; positioning mounting holes are formed in the first flexible supporting structure, the second flexible supporting structure and the third flexible supporting structure; and the back surface of the reflector body is provided with a vertical positioning plane perpendicular to the V-shaped positioning surface. The reflector is positioned without a zero compensator, the adjustment complexity of the off-axis reflector optical system is greatly simplified, the adjustment efficiency of the system is effectively improved, and the manufacturing cost is reduced.

The invention discloses an efficient target correcting lens axis consistency calibration device and method. The device includes a two-dimensional adjusting table, and a cylinder which is the inner circle and the outer circle of the target mirror correcting tolerance fit and a parallel light pipe is placed in front of the to-be-calibrated target correcting lens, the correction target mirror built CCD connected with one cross reticle generator, and the superimposed image is displayed through the liquid crystal display. The device solves the problem that the existing correction target mirror axiscalibrating process, difficult assembly and adjustment, the adjusting efficiency is low, and the like, the device directly through mouse adjusting electronic cross reticle position calibrating targetcorrecting lens mechanical axis and the optical axis (visual axis) consistency, assembly and adjustment is simple and efficiency is high.

The invention provides a laser particle analyzer centering and adjusting mechanism which comprises a laser, a collimation and beam expanding system, a sample circulation system, a Fourier transform lens and a scattering detector, wherein the laser is used for emitting laser beams; the collimation and beam expanding system is used for collimating the laser beams; the sample circulation system is used for bearing test samples; a hollow through hole is formed in a position, which corresponds to the position of a focus point of the Fourier transform lens, on the scattering detector; a single-pointdetector is arranged on one side, which deviates from the Fourier transform lens, of the scattering detector; the laser beams emitted by the laser pass through the collimation and beam expanding system and become parallel beams, and the parallel beams pass through the sample circulation system and the Fourier transform lens to be focused on a plane on which the scattering detector is located; when the test sample does not exist, the position of the scattering detector is adjusted, so that the parallel beams are focused by the Fourier transform lens and then pass through the hollow through hole; and the position of the single-point detector is adjusted, so that an output signal is maximum. The light path is aligned by utilizing the hollow through hole on the scattering detector and the single-point detector, so that the whole mechanism is centered. The invention further provides a laser particle analyzer centering and adjusting method.