105results about How to "Accurate positional relationship" patented technology

The invention relates to the field of connectors, in particular to a high-speed electric connector and a signal module thereof, and a molding method of the signal module. The high-speed electric connector comprises the signal module; the signal module comprises a contact part; a shield sheet is arranged on at least one side of the contact part; the signal module further comprises an insulator; and the insulator is molded on the contact part and the shield sheet in an injection molding manner to combine the contact part and the shield sheet. The insulator of the signal module of the electric connector is packaged on the contact part and the shield sheet in an injection molding manner, so that the firm degree of the signal module is strengthened and the problem that the signal module of an existing high-speed electric connector is easy to deform is solved.

The invention relates to the field of medicine, in particular to a spine pedicle screw implanting and locating device. The spine pedicle screw implanting and locating device comprises hardware of a C-shaped arm, an image correction calibration plate, an image collection module, a locating robot, a path locating frame, a position tracking platform, a computer and the like, a spine pedicle screw implanting path planning module and a locating navigation module based on an X ray picture during an operation, wherein the spine pedicle screw implanting path planning module and the locating navigation module are stored in the computer. Through the spine pedicle screw implanting and locating device, according to the anatomical structure characteristics of a spine vertebral body, a coordinate system is established, an operation path planned in a 3D environment before the operation, an operation path planned in a 2D environment during the operation and an operation apparatus path during the operation are expressed, and by the use of the relationship of the three paths, a doctor is guided or a robot is controlled to complete precise operation path locating operation. The spine pedicle screw implanting and locating device can track the position relationships among all objects on a 2D image in real time, reflect the relationship between a tool and pedicle of vertebral arch actually, precisely and timely, eliminate errors of the traditional computer navigation system in an operation process, reduce the operation difficulty, and improve the operation efficacy.

The invention relates to an adhering tool for adhering a glass panel to an exhaust fume collecting hood. The adhering tool comprises a support, and an adhering structure is at least arranged on one side of the support. The adhering tool is characterized in that the adhering structure comprises an upper bearing board, a lower bearing board, two positioning air cylinders, an upper installation board and compression blocks, wherein locating detents are installed on piston rods of the positioning air cylinders and provided with horizontal arms and inclined arms; first positioning blocks are fixed to the horizontal arms; second positioning blocks are fixed to the ends of the inclined arms on at least one side; the upper installation board is fixed above the support; the upper installation board and a top board of the support are spaced vertically; the compression blocks are located over the upper bearing board and driven by a compression air cylinder to vertically and perpendicularly move; the compression blocks press downwards to compress the glass panel to the front end face of the exhaust fume collecting hood for pressure maintaining. The adhering tool has the advantages that structural design is reasonable, the glass panel adheres to the exhaust fume collecting hood accurately and firmly, the binding efficiency and precision are high, a few procedures are needed, and operation is convenient.

The invention discloses a method for judging the correctness of the position relation of strokes of a handwritten Chinese character based on template matching. The method comprises the specific steps of building a whole character feature set and a part feature set of a standard Chinese character; recording handwriting of the Chinese character handwritten by a user to obtain stroke features of the Chinese character; carrying out matching comparison on whole character features of the user Chinese character and whole character features of the standard Chinese character, building the one-to-one correspondence relation between the strokes of the user Chinese character and strokes of the standard Chinese character, confirming the attribute of each stroke of the user Chinese character, and distributing the strokes of the user Chinese character into parts to which the strokes belong; carrying out matching comparison on part features of the user Chinese character and part features of the standard Chinese character, judging whether the relative azimuth relation and the distance relation between the strokes in the parts of the user Chinese character are correct, and judging whether the relative azimuth relation and the distance relation between the parts of the user Chinese character are correct. The method can be used for judging whether the position relation between the strokes of the Chinese character handwritten by the user is correct and whether the position relation between the parts of the Chinese character handwritten by the user is correct and has important value in applications of judging the writing quality of the handwritten Chinese character and the like.

The invention provides a robot relocation method based on landmark information and multi-sensor data fusion for the problem of positioning error in synchronous instant mapping and positioning, and aims to achieve the purposes of overcoming shortcomings and defects of positioning technique of existing robots in a complex environment. The objective of the invention is to incorporate visually recognized landmark information into laser-perceived data, and correspond the landmark marked with a semantic label to an accurate position information on the map, and then reversely calculate the true position of the robot on the map, thereby correcting the positioning error of the robot, improving positioning accuracy and repositioning ability of the robot in the autonomous navigation process, and enhancing position self-correcting level of the robot.

The invention discloses an exclusive welding tool for an annular cooler special-shaped beam. A beam body bearing thereof is used to bear and position the beam body of the special-shaped beam; an upper surface thereof is provided with a first position limitation part adapted with an adapter positioning hole in the bottom of the beam body; two flange end plate bearings thereof are respectively used to bear the inside and outside flange end plates of the special-shaped beam; the opposing side surfaces of the two flange end plate bearings are respectively provided with a second position limitation part adapted with the flange hole group of the corresponding flange end plate; the height from the upper surface of the beam body bearing to the second position limitation part is consistent with the height from the bottom surface of the beam body to the flange hole group on the corresponding flange end plate; and the lengths from the first position limitation part on the beam body bearing to the opposing side surfaces of the two flange end plate bearings are respectively consistent with the lengths from the adapter positioning hole in the bottom of the beam body to the flange surfaces of the inside and outside flange end plates. The exclusive welding tool greatly improves operating efficiency while ensuring processing accuracy for the special-shaped beam. Based on the exclusive welding tool, the invention also provides a processing technology for an annular cooler special-shaped beam.

The invention provides a vegetable dehydrator with an elastic dialing mechanism, comprising a tank body, transmission devices, conveying devices, radiation devices and guide rails, wherein a set of conveying device driven by the transmission devices is arranged in each layer of drying tank, each conveying chain plate is supported on each guide rail to form a groove-shaped material channel, each radiation device is arranged above each channel, material guiding grooves are arranged below the tail ends of the channels, the top of the tank body is provided with a material inlet, and the bottom of the tank body is provided with a material outlet. The vegetable dehydrator is characterized in that the conveying device in each layer is provided with an elastic dialing mechanism between two movable conveying chain wheels, both ends of a pin shaft provided with a rolling body are fixed on a U-shaped frame, one end of a telescopic rod, having a large diameter, is fixed at the outer side of the bottom of the U-shaped part, the small end of the telescopic rod, which is sleeved with a spring at the outside, is inserted in a small hole in the outer vertical wall of a support and is fixed through nuts, a spacing plate is clamped between the two nuts through the other nut, and one side face of the spacing plate is attached with the plane on the groove bottom of the support. The vegetable dehydrator can ensure the alternative conversion of each conveying chain plate and reliably turn over blanks.

The invention discloses an automobile oil filler cap assembly, which comprises an oil filler box, an oil filler outer cap and a positioning mechanism, wherein an inner board of the oil filler outer cap is hinged with the oil filler box; and the positioning mechanism is used for positioning the oil filler outer cap and the oil filler box in a closed state in a matched manner. By adoption of the technical scheme, when the oil filler cap assembly is closed, a positioning pin is inserted into a positioning hole in a positioning pin seat to ensure an accurate position relation between the oil filler outer cap and the oil filler box and accurate locking of a locking buckle, so that the difficulty in closing caused by deformation can be avoided, the section of the oil filler cap is matched with the whole shape of an automobile body, so the appearance of the whole automobile is attractive; furthermore, when the automobile runs on a bumpy road, the positioning mechanism can avoid vertical vibration of the oil filler cap.

The invention relates to a split lens, which comprises an independent object side group forming a free end of the split lens, at least one independent image side group and a diaphragm, wherein the independent image side groups and the independent object side group are sequentially arranged and fixedly connected; and a fit clearance is formed between the object side group and the image side groups. According to the split lens, alignment is freer and more flexible, assembly is convenient and fast and the coordinating precision is high.

The embodiment of the invention provides a depth image generating method and apparatus, and an electronic device. The method comprises: a first color image and a first depth image that include same scenery are obtained; according to similarity between reference pixel points and non-reference pixel points respectively included in a plurality of first preset regions in the first color image, the pixel points included by the plurality of first preset regions are classified; according to pixel points being located in the same first preset regions and having the same types, corresponding target pixel points of the reference pixel points included by the plurality of first preset regions in the first depth image are determined; the depth values of the target pixel points are determined as depth coefficients of to-be-generated pixel points in a second depth image; and a second depth image is generated by combining the depth coefficients. Therefore, the target pixel points are determined basedon the pixel point types and thus the depth values of the to-be-generated pixel points are calculated accurately, so that the accuracy of the generated depth image is improved and an object distortionphenomenon occurring in the virtual viewpoint image is avoided.

A front projection type multi-projection display includes a plurality of projector units to modulate and project light from a light source based on image information, an image-capturing device disposed in a housing to capture predetermined regions of the projection images projected onto the screen, a unit image information generating unit to generate image information to be input to each of the plurality of projector units, and a unit image information correcting unit to correct the unit image information based on a result captured by the image-capturing device. Therefore, it is possible to perform the adjustment process and to further reduce the adjustment time.

The invention discloses a space-spectrum fused hyperspectral image mixed pixel low-rank sparse decomposition method, which comprises the following steps of: normalizing hyperspectral image data, and generating superpixels by adopting a linear iterative clustering method; searching an abundance matrix of a local block of the superpixel, constructing a low-rank constraint expression item, adding a total variation space regular item, and adding a data fidelity item to obtain a target function; introducing a plurality of auxiliary variables to construct a split target function, and converting a constrained optimization problem into an unconstrained optimization problem by adopting augmented Lagrange; and solving the target function by adopting an alternating iterative algorithm to obtain an abundance graph of evaluation confirmation. By adopting the method, the obtained spatial information is more accurate than the simple position relationship among the pixels, the local detail features ofthe abundance matrix are extracted, and the smoothness of the abundance matrix is promoted, so that the whole abundance graph has global features, the target function is split, meanwhile, the algorithm is quickly converged, and a more accurate target solution is obtained.

The present invention provides a drawing information management device and a comparison checking method thereof. The point checking personnel does not require adjusting a portable terminal, etc. to the appropriate position and orientation. Even the large-size checking object can be executed with comparison checking. The comparison checking can be executed efficiently with a view distance that can reduce the view burden of the point checking personnel. In the comparison checking method of the invention, the drawing information of the checking object is stored in a storing part. A first image which is obtained with an image shooting part and comprises at least one part of the checking object is compared with a second image that comprises at least one part of the checking object and the portable terminal thereby obtaining the position information of the portable terminal on the checking object. The drawing information of a preset area is drawn from the drawing information stored in the storing part according to the obtained position information, and is transmitted to the portable terminal so that the display part of the portable terminal displays the drawing information of the preset area.

The invention belongs to the technical field of communication, particularly to an inter-vehicle communication and data processing method. The inter-vehicle communication and data processing method solves the problems of poor information timeliness and low inter-vehicle distance accuracy in the prior art. The inter-vehicle communication and data processing method comprises the following steps of S1, structuring an inter-vehicle communication and data processing system; S2, mounting sensors, recording vehicle information and structuring vehicle models; S3, searching for and locking target vehicles; S4, determining inter-vehicle position relations, and broadcasting voice or issuing alarm. The inter-vehicle communication and data processing method is high in timeliness and capable of effectively reducing inter-vehicle traffic accidents and improving inter-vehicle rescue efficiency.

The invention provides a fractional Fourier holographic femtosecond laser three-dimensional parallel processing and monitoring system and a fractional Fourier holographic femtosecond laser three-dimensional parallel processing and monitoring method. The system comprises a spatial light modulator, a Fourier lens, a first lens, a first spectroscope and a first focusing objective lens; the spatial light modulator is configured to receive a femtosecond laser beam and a fractional Fourier hologram and emit a plurality of paths of modulated light beams to a plurality of focusing planes; and after the light beams passing through the focusing plane sequentially pass through the first lens, the first spectroscope and the first focusing objective lens, a light spot array is focused at a plurality ofdifferent depths of a specific machining position. The system and method provided by the invention solve the problems about multi-dimensional scale machining and low efficiency, overcome the machining difficulty of a microstructure in a complex shape, effectively improve the machining quality and the machining efficiency of a microstructure in a three-dimensional distribution, improve the machining efficiency to one order of magnitude or above, remarkably shorten the machining time, and greatly improve the inter-structure position precision of three-dimensional distribution.

The invention discloses machining equipment and a machining method for an annular groove in the outer side of an annular part. The machining equipment for the annular groove in the outer side of the annular part comprises a bottom support assembly used for supporting and locating from the bottom, a shape supporting assembly fixed to the bottom support assembly and used for being supported and sleeved in a groove of a part to be machined from the bottom and forming a formed surface of the annular groove in the outer side of the part to be machined, a compression assembly located above the shapesupporting assembly and used for compressing a groove bottom plate part of the part to be machined onto the shape supporting assembly, and a spinning rolling wheel device located at the periphery ofthe shape supporting assembly and used for rolling a vertical groove wall at the outer side of the part to be machined on the shape supporting assembly in a manner of rolling to form the annular groove in the outer side, wherein the shape supporting assembly is provided with a demolding movable block used for carrying out rolling forming on the annular groove in the outer side of the part to be machined and then demolding in the radial direction of the part to be machined. The machining equipment for the annular groove in the outer side of the annular part is simple in structure, and blockingduring demolding for the part is eliminated, so that the machined part can be taken out without damage. The machining equipment and the machining method for the annular groove in the outer side of theannular part are applicable to machining and demolding for annular grooves in the outer sides of various annular parts.

The invention relates to a dual-camera zoom module, including a first camera module, a prism module, a second camera module and a circuit board, wherein the first camera module and the prism module are coplanarly arranged, The prism module is arranged concentrically with the optical axis of the second camera module. The prism base in the present invention is provided with an intermediate reinforcing plate to strengthen the prism base; the prism base is also provided with a positioning protrusion, and the second camera module is provided with a positioning hole, and the positioning protrusion is connected with the positioning hole The correct mutual positional relationship is ensured, and the imaging quality is improved; the invention adopts a split structure, which divides different components into different units, and then assembles them into one body. Allows flexibility in parts replacement and saves cost and maintenance.