8 results about "Annular field" patented technology

A gasket arrangement (G) for sealing between two corrugated heat transfer plates (5) is provided. The gasket arrangement (G) includes an annular field gasket portion (41) surrounding a field gasket region (A1) and a plurality of annular ring gasket portions (47c, 47d, 47e, 47f) arranged outside the field gasket region (A1). Each of the plurality of annular ring gasket portions (47c, 47d, 47e, 47f) surrounds an annular gasket region (A2), the annular gasket region (A2) being smaller than the field gasket region (A1) and extending in a central extending plane (p2) of the annular gasket portions (47c, 47d, 47e, 47f). The third annular gasket portion (47c) and the fourth annular gasket portion (47d) of the plurality of annular ring gasket portions (47c, 47d, 47e, 47f) are arranged on opposite sides of the transverse central axis (T1) of the field gasket region (A1). The gasket arrangement (G) is characterized in that the fifth annular gasket portion (47e) of the plurality of annular gasket portions (47c, 47d, 47e, 47f) is arranged on the same side of the transverse central axis (T1) as the third annular gasket portion (47c). Furthermore, the third annular gasket portion (47c) and the fifth annular gasket portion (47e) are arranged on opposite sides of the longitudinal central axis (L1) of the field gasket region (A1). Moreover, the longitudinal central axis (L1) of the field gasket region (A1) extends through one of the plurality of annular gasket portions (47c, 47d, 47e, 47f).

A lidar, a mobile system and a laser detection method. The lidar comprises: a rotating platform (10), at least two transceiver modules (11) fixed on the rotating platform (10), and a driving module configured to drive the rotating platform (10) to rotate about an axis of rotation (L) as a center, wherein each transceiver module (11) comprises a transmitting assembly configured to emit at least two laser beams having different exit angles, and a receiving assembly configured to receive echo signals of the emitted laser beams that are reflected by an object; the at least two transceiver modules (11) are arranged around the axis of rotation (L); the field-of-view ranges of at least two detection modules in a direction perpendicular to the axis of rotation (L) are staggered; and at least two annular field-of-view ranges respectively formed by the at least two transceiver modules (11) during rotation are stitched to form a larger annular field-of-view range. The lidar is low in terms of costs and can flexibly form different field-of-view ranges.

This invention discloses a spaceborne near-space horizontal two-dimensional wind field interferometric imager based on a ring field of view and a full-link simulation method. The imager includes an optical system, a detector, and a data processing unit. The optical system includes a front conical mirror, a field stop, a collimating lens group, a Fabry-Perot interferometer, a narrowband filter assembly, and an imaging lens arranged sequentially along the optical path. This invention improves the spatiotemporal resolution of the instrument's detection.

The application discloses a kind of tunnel lining defect ring view detection methods, belong to tunnel detection technical field, can solve the problems of serious annular field distortion, large difference in multiple types of defect characteristics, insufficient use of spatial position information in existing tunnel lining detection.The method comprises the following steps: S1, collecting the annular field image of the inner wall of the tunnel, and converting the annular field image into a cylindrical expansion image;S2, scale feature extraction is carried out on the cylindrical expansion image to obtain a spatial scale feature map;S3, the spatial scale feature map is segmented and depth estimated respectively, and the corresponding defect feature map and depth feature map are obtained;S4, the defect feature map and the depth feature map are fused by gating, and the fusion feature map is obtained.The defect detection result is obtained by defect segmentation decoding of the fusion feature map.The application is used for tunnel lining defect detection.

The present invention relates to a method for producing a cartridge case by connecting the components thereof. The method comprises: providing a breech ring and a case made of the same or different materials; aligning the breech ring and the case in a device using positioning aids; providing a gap between the breech ring and the case; enclosing the region to be connected using an annular field former; conducting a current through the field former in order to induce currents in at least a first electrically conductive component, whereby a Lorentz force is generated; accelerating the first component away from the field former towards the second component to form an integral bond between the components.

The present application relates to a kind of star simulator annular field coil electromagnetic force analysis structure optimization method and system, it is related to star simulator annular field coil electromagnetic force structure optimization technical field, including according to the spatial constraint of vacuum chamber geometric characteristics and external modular coil, determine the arrangement scheme parameter of star simulator annular field coil;Utilize arrangement scheme parameter to construct coil three-dimensional geometric model, solve electromagnetic volume force distribution;Identify peak load area and extract single-turn coil equivalent load;Through cable deflection experiment, the equivalent Young's modulus of composite cable is determined, the equivalent elastic modulus parameter of cable is obtained;Equivalent load and equivalent elastic modulus parameter are combined with single-turn coil, establish fixture-cable coupling finite element model, determine the key structure size of fixture and verify strength criterion.The present application has beneficial effect for significantly improving the installation reliability and anti-electromagnetic force ability of annular field coil, ensure the accuracy of magnetic field configuration and the stability of device operation.

The invention discloses a position adjusting tool for a nuclear fusion toroidal field magnet, the position adjusting tool comprises a first support adjusting module and a second support adjusting module, a leveling module is arranged at the bottom of the second support adjusting module, and radial adjusting modules are slidably arranged on the first support adjusting module and the second support adjusting module; each radial adjusting module is provided with a vertical lifting module, and each vertical lifting module is slidably provided with a completion self-adaption bearing module matched with the annular field magnet to be installed; a tangential adjusting module is integrated on each vertical lifting module, and each tangential adjusting module is in power connection with the corresponding adaptive bearing module; linkage adjustment in the radial direction, the vertical direction and the tangential direction is achieved through the radial adjustment modules, the vertical lifting modules and the tangential adjustment modules, so that free adjustment in the six-degree-of-freedom direction and the installation posture is achieved, the adjustment precision is effectively improved, and then the positioning installation precision of the circumferential field magnet is improved.

The present invention provides a method for manufacturing a cartridge case by joining its components. The method comprises: providing a base and a case made of the same or different materials; aligning the base and the case in a device using positioning aids; providing a gap between the base and the case; enclosing the area to be joined with an annular field former; passing a current through the field former to induce currents in at least a first electrically conductive component, thereby generating a Lorentz force; accelerating the first component from the field former towards the second component, forming a material-bonded connection between the components.