10results about How to "Achieve focus" patented technology

The utility model discloses a guide rail type focusing device, and relates to the technical field of guide rail type focusing. The guide rail type focusing device comprises a transmission gear, a fixing support, an image sensor and a stepping motor. The transmission gear is in sliding connection with the fixing support, the image sensor is arranged on the fixing support, a spring is further arranged between the image sensor and the fixing support, a driving gear is arranged at the output end of the stepping motor, and the driving gear is connected with the transmission gear in a meshed mode. According to the guide rail type focusing device provided by the utility model, the image sensor is arranged on the fixed bracket, and the fixed bracket performs lifting motion so as to achieve the purpose of focusing. In addition, a guide rail mode formed by the transmission gear and the fixing support enables a guide rail inclined groove and an inclined bone position to be in surface-to-surface contact so as to achieve the purposes of stability and zero clearance, assembly tolerance is reduced, focusing precision is improved, high-speed snapshot is achieved, meanwhile, the whole image is clear and balanced, and the problem that one side of the image is clear and the other side of the image is blurred is solved.

The application discloses a high-efficiency automatic focusing method and system, and relates to the field of automatic focusing. The method is applied to an off-axis automatic focusing device comprising a ranging module and an imaging module, and comprises the following steps: detecting height values of multiple measuring points by using the ranging module, and screening fixed-interval focusing points; based on a first height difference between adjacent focusing points, adjusting the height of an objective lens focal point in the imaging module at a constant speed, so that the height of the objective lens focal point is consistent with the horizontal plane position of the focusing point; when the horizontal plane position of the objective lens focal point coincides with that of any correction point, determining a corresponding blur kernel matrix according to a second height difference between the objective lens focal point and the correction point; and based on the blur kernel matrix, performing deblurring processing on an image generated by an image sensor to obtain a measured object image. Based on the above processing, the image blurring problem caused by poor real-time focusing performance is improved, and the detection rate of the automatic focusing device is improved.

This invention provides a method, apparatus, and device for detecting the physicochemical parameters of oil, relating to the fields of spectral analysis and industrial equipment condition monitoring. The method includes: acquiring hyperspectral data of the oil to be tested; inputting the hyperspectral data into a pre-trained spectral decoupling network to output a base spectral component related to the oil brand, and a common component feature vector unrelated to the oil brand but related to the oil's health status; matching the common component feature vector with a pre-built general reference library to determine the physicochemical parameter values ​​of the oil to be tested. The method of this application achieves efficient and accurate detection of physicochemical parameters of oils from multiple brands, breaking the limitation of "one model per brand," effectively improving the accuracy of the detection results and the generalization ability across brands, significantly reducing the deployment and maintenance costs of the detection system, and significantly improving the practicality of multi-brand oil condition monitoring.

The utility model provides an ultra -high definition zooming AI lamps and lanterns, including lamp shell, illumination module, face lid, lamps and lanterns support, lens assembly, lens assembly is opposite and is equipped with with illumination module, and illumination module includes base plate and dot matrix pixel light source, and illumination module is connected with control circuit board, and lens assembly is located in the light output direction of illumination module, and lens assembly includes lens cover, first lens and second lens, first lens sets up in the inside of face lid, second lens sets up in the lens cover, the distance between first lens and illumination module is adjustable, the distance between first lens and second lens is adjustable, realizes the focusing between first lens and light source module, the distance adjustment between second lens and first lens respectively, realizes the focusing of second lens to light shadow, edits through control circuit board to pixel light source, generates various light spot or pattern, then through the focusing and dispersion of first lens and second lens and so on optical processing, real -time adjustment light spot or pattern definition.

This application provides an optical component and its assembly method. By fixing a third lens portion with its optical axis as a reference, the positions of the first and second lens portions are simultaneously adjusted. Based on the sensitivity of the optical lenses, the first lens portion, with higher sensitivity, is first fixed to the housing of the driving device. Then, the position of the second optical lens portion, with lower sensitivity, is adjusted. Finally, after the second lens portion can clearly image the image, it is fixed to the focusing carrier of the driving device, thus forming the optical component described in this application. This assembly method simplifies the assembly process while ensuring the accuracy of the assembled optical component.

The application relates to a lens driving mechanism, a camera module and electronic equipment, which comprises a shell assembly, a first moving frame in the shell assembly is driven to move relative to the shell assembly in a first direction perpendicular to an optical axis by a first driver; a second moving frame on the first moving frame is driven to move relative to the first moving frame in a second direction perpendicular to the optical axis by a second driver; and a carrier on the second moving frame is driven to move along the optical axis by a third driver. The application has the advantages of greatly compressing the optical axis axial thickness of the driving mechanism and reducing the manufacturing difficulty and cost.

The utility model discloses a monocular range finder of utilizing mirror subassembly adjustment receiving or emission position, including telescope cylinder, the object lens subassembly of interval arrangement in telescope cylinder inside along optical axis L, prism subassembly, display screen and eyepiece subassembly, be provided with second mirror barrel below the front end of telescope cylinder, its characterized in that: first lens and mirror subassembly are installed in the inside of second mirror barrel in proper order and are spaced, and mirror subassembly can move to adjust receiving or emission position and realize focusing purpose. It simple structure, precision requirement is low, and the low mould cost, the small difficulty of opening mould.

The utility model belongs to the technical field of diamond processing equipment, and particularly relates to diamond copper material processing equipment based on green laser processing, which comprises a rack, a laser system and a displacement platform are arranged on the rack, the laser system comprises a green laser, a reflecting mechanism and a light condensing mechanism, the rack comprises two layers of mounting flat plates, and the mounting flat plates are arranged on the rack. A green laser is arranged on the upper-layer mounting flat plate, a reflecting mechanism is arranged on one side of the green laser, a light hole is formed in the upper-layer mounting flat plate, and laser emitted by the green laser is reflected by the reflecting mechanism and then is emitted downwards from the light hole; and a displacement platform is arranged on the lower-layer mounting flat plate and comprises an XY moving platform and a Z-axis moving platform. According to the diamond copper material machining equipment, the green light (532 nm) laser is selected to cut the diamond copper material, and compared with a traditional infrared light source, the diamond copper material machining equipment is more suitable for ultra-precision micro-nano machining of the diamond copper material.

The application discloses an automatic centering clamping and focusing module of a lens without a clamping bit, which comprises a first rotating disc installed on a first supporting plate, three centering clamping jaw devices equally arranged on the first rotating disc and used for clamping a lens module, an opening ring device arranged below the first rotating disc and used for pushing open the centering clamping jaw devices, a lens device arranged above the first rotating disc and used for cooperating with the lens module to focus, and a first driving device used for driving the first rotating disc to rotate the centering clamping jaw devices to focus the lens module. The three centering clamping jaw devices equally arranged on the first rotating disc are used for clamping a focusing ring in the lens module, and then the first driving device is used for driving the first rotating disc to rotate and drive the centering clamping jaw devices to rotate around the lens module, so that the lens module is focused, and the opening ring device arranged below the first rotating disc is used for pushing the three centering clamping jaw devices to expand outward and release the lens module.

The utility model relates to astronomical observation equipment technical field provides a kind of double-path multi-star simulation equipment, including box, the side of the box is detachably provided with lens assembly, first star path subassembly and second star path subassembly are provided in the box;The first star path subassembly is along the axis direction of lens assembly and is set, the beam direction of the first star path subassembly is parallel with the axis of lens assembly, the box is provided with optical splitter, and the optical splitter is located between lens assembly and first star path subassembly;Second star path subassembly is set to one side of optical splitter, the beam direction of the second star path subassembly is located in the same plane with the beam direction of first star path subassembly and is perpendicular to each other, the utility model can realize high-precision simulation adjustment, realize the flexible switching of scene, to significantly improve the authenticity and test efficiency of starry sky simulation.