10 results about "Corona ring" patented technology

The invention relates to the technical field of three-dimensional reconstruction, in particular to an electric power facility surrounding environment three-dimensional reconstruction method and system. The method comprises the following steps: acquiring electric power facility data, performing electric power facility layout structure analysis, and constructing an electric power facility three-dimensional model; obtaining electric power facility environment data, carrying out dynamic environment evolution, and constructing an electric power facility environment dynamic evolution model; performing rendering and model alignment embedding processing on the electric power facility three-dimensional model based on the electric power facility environment dynamic evolution model to generate an environment-electric power facility fusion model, and performing electric power facility corona loss fluctuation detection and environment fluctuation factor analysis; corona environment disturbance area detection and error calculation are carried out on the environment-electric power facility fusion model, disturbance error data are generated, and corona environment disturbance reconstruction processing is carried out on the environment-electric power facility fusion model. According to the invention, the electric power facility environment combined corona loss dynamic three-dimensional model reconstruction can be realized.

The utility model provides a corona ring applied to an elbow spray gun, which comprises an annular body, a connecting piece and a fixing piece, a conductive needle is arranged on the annular body, the first end of the conductive needle is positioned in the annular body, the second end of the conductive needle penetrates through the annular body and is positioned on the outer side of the annular body, and the connecting piece is connected with the fixing piece. The connecting pieces comprise the first connecting piece and the second connecting piece, the first end of the first connecting piece is connected with the annular body, the second end of the first connecting piece is connected with the first end of the second connecting piece, and the second end of the second connecting piece is connected with the fixing block through a telescopic cable. The extension direction of the first connecting piece is perpendicular to the plane where the annular face of the annular body is located, and the extension direction of the second connecting piece is perpendicular to the extension direction of the first connecting piece, so that the extension direction of the second connecting piece is parallel to the plane where the annular face of the annular body is located.

The utility model provides an easy-to-process corona ring, which comprises an annular body and a conductive needle, the annular body comprises an upper ring body and a lower ring body, the bottom surface of the upper ring body is oppositely sleeved with the top surface of the lower ring body, an annular recess along the edge of an inner ring is arranged at one end, close to the inner ring, of the bottom surface of the upper ring body, and the conductive needle is arranged in the annular recess. Correspondingly, an annular protrusion along the edge of the inner ring is arranged at the end, close to the inner ring, of the top face of the lower ring body, the annular concave is matched with the annular protrusion in shape, and the concave face of the annular concave is right opposite to the convex face of the annular protrusion. An annular groove is formed in a gap between the concave face of the annular concave and the protruding face of the annular protrusion, a lantern ring used for grounding the conductive needle is embedded in the annular groove, one end of the conductive needle is located on the annular body and electrically connected with the lantern ring, and the other end of the conductive needle is located outside the annular body.

This invention discloses a dry-type hollow-connected reactor for SLCC hybrid DC transmission, comprising a reactor coil, a rain cap, a side bird guard, an upper hanger, a lower hanger, a transition seat, an insulator, fiberglass legs, a foundation, and a surge arrester. The foundation is located at the bottom. One end of the fiberglass leg is fixedly connected to the foundation, and the other end of the fiberglass leg is connected to one end of the insulator. The other end of the insulator is connected to one end of the transition seat, and the other end of the transition seat is connected to one side of the lower hanger. The other side of the lower hanger is connected to one end of the reactor coil, and the other end of the reactor coil is connected to one side of the upper hanger. The rain cap is fixedly connected to the other side of the upper hanger. The upper end of the rain cap has a rain cap corona ring, and the lower end of the rain cap has a side bird guard. The upper hanger is connected to the upper end of the surge arrester, and the lower hanger is connected to the lower end of the surge arrester. This invention fundamentally solves the problem of inter-turn insulation failure in SLCC systems under ultra-high repetitive pulse voltages.

The invention relates to the technical field of power systems, and discloses a high-voltage power grid intelligent insulator for distributed voltage measurement based on capacitive voltage division, which comprises the following steps: step 1, replacing voltage division with electric field sensing, replacing traditional capacitive voltage division with weak coupling electric field sensing, reducing the requirement of a high-voltage-resistant capacitor, and remarkably reducing the structural complexity and cost; 2, integrating a signal processing chip, highly integrating amplifying, filtering, isolating and other circuits into a single chip, reducing the number of elements, and enabling the structure to be more compact and easy to produce; 3, enhancing insulation and isolation reliability, adopting double insulation and environment-resistant materials, and improving long-term stability of the measurement module in high-voltage, humid and corona environments, by adopting highly integrated signal processing and automatic calibration, functions of amplification, filtering, isolation and the like are integrated into a single chip, the number of elements is reduced, and the structure is simplified; temperature drift and aging errors are automatically calibrated and compensated through environment monitoring and a self-adaptive algorithm, and long-term accurate measurement is achieved.

The utility model provides a corona ring rapid forming mould, which comprises an upper mould, a lower mould, a locking block and a base, the lower mould is arranged on the base, the upper mould is arranged on the lower mould, mould cavities are arranged in the upper mould and the lower mould, the upper surface of the upper mould is provided with a material injection port, the material injection port is communicated with the internal mould cavity, and the locking block is arranged on the base. A material injection hopper is arranged on the material injection port; when the upper die and the lower die are closed, the upper die and the lower die are locked and fixed by the locking block through a bolt; a corona ring is manufactured by adopting a casting mode of the upper mold and the lower mold, meanwhile, the vibration device is arranged on the mold to promote uniform distribution of raw materials in a mold cavity, gas exhaust is accelerated, the casting period is shortened, and the production efficiency is improved, and due to the arrangement of a locking structure and the vibration device outside the mold, the production efficiency is improved. The stability of the mold in the casting process and timely discharge of gas in the mold cavity are ensured, bubbles or cavities are prevented from occurring in a product, and the forming quality of the product is improved.

A device for detecting faults includes a body attachable to a high-voltage transmission line and having a first housing part made of a conductive plastic, a plurality of electronics disposed within the body and identifying a potential fault in the high-voltage transmission line, and a clamping mechanism electrically connecting the first housing part to the high-voltage transmission line. The device has an antenna connected to the electronics that extends from the body and transmits a fault notification signal to a central station. A corona ring of the device is positioned around and proximal to a tip of the antenna. The corona ring is connected to a ground of the electronics.

This invention relates to the field of power system operation monitoring technology, and provides an intelligent inspection method and system for potential hazards in transmission lines based on image recognition. The method includes: acquiring operational status data of a DC terminal station in the transmission line, and image data of a target corona ring; obtaining the current geometric center and initial light intensity centroid of the target corona ring based on the image data; determining the current operating polarity of the terminal station based on the operational status data; obtaining the polarity correction factor corresponding to the operating polarity for correcting the initial light intensity centroid; and calculating the corrected light intensity centroid. This invention enables intelligent and quantitative inspection of the corona ring operation status of DC terminal stations, achieving intelligent inference of electric field distortion and corona discharge risk without the need for additional sensors. This invention overcomes the shortcomings of traditional inspections that rely on manual experience and cannot quantitatively assess eccentricity risk, significantly improving the accuracy and efficiency of hazard identification.

The application relates to an electron gun containing segmented insulating ceramics, which comprises an anode, segmented insulating ceramics, a cathode support, a cathode cylinder, a cathode and a focusing electrode, the segmented insulating ceramics comprises a plurality of ceramic segments, a suspended electrode is arranged between adjacent ceramic segments, the suspended electrode and the ceramic segments are alternately stacked, the upper-to-lower direction is along the direction in which the anode points to the cathode support, the inner-to-outer direction is along the direction in which the cathode cylinder points to the segmented insulating ceramics, a shielding ring is arranged on the lower end surface of the anode and the inner side of each suspended electrode, and an anti-corona ring is arranged on the outer side of each suspended electrode. Compared with the prior art, the segmented insulating ceramic structure containing ceramic segments with different lengths and the shielding ring with the function of shielding the cathode cylinder to emit electron bombardment on the ceramics are designed, the uniformity of the electric field on the ceramic surface of the electron gun is improved, the peak electric field strength on the ceramic surface is reduced, the insulation capacity of the electron gun shell is improved, and the application has the advantage of high insulation capacity.

The utility model provides a multilayer protection anticorona ring, including high-voltage bushing, conducting rod, fixing device, corona ring, reinforcing ring, high-voltage bushing internal is equipped with insulating core, conducting rod passes through high-voltage bushing and is fixedly connected inside insulating core, conducting rod tail end is fixedly connected with fixing device, fixing device includes energy absorption ring, wrapping ring, groove, and the corona ring is equipped with the reinforcing ring. An energy absorption ring is fixedly connected into the wrapping ring, a plurality of grooves are formed in the inner wall of the fixing device, corona rings are installed in the grooves, the reinforcing ring is fixedly connected to the outer wall of the fixing device, an upper hoop is arranged at one end of the reinforcing ring, a lower hoop is arranged at the other end of the reinforcing ring, two through holes are formed in the upper hoop and the lower hoop in a penetrating mode, and positioning screws are installed in the two through holes. The corona ring is installed in the fixing device, the reinforcing ring is fixedly arranged on the outer wall of the fixing device for fastening, a multi-layer protection structure is formed, and the stability of the corona ring is improved.