Patents by Inventor Shanjun MAO
Shanjun MAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11836878Abstract: A method for constructing a real-geographic-space scene in real time based on a panoramic-video technique is provided. By using a measuring robot and the attitude sensors, accurately determining the geographic coordinates and the attitudes of the cameras, where the cameras may be installed in a fixed or stringing manner, where in the fixing type a plurality of neighboring videos at the same moment undergo orthographic correction and splicing, and in the stringing type the cameras are installed to a guiding device and may locally, independently and quickly move and shoot, and the videos of the neighboring cameras are spliced in real time; and fusing the videos, the geographic coordinates and the environment sounds that satisfy the delay time, to form a scene video streaming.Type: GrantFiled: May 9, 2023Date of Patent: December 5, 2023Assignees: PEKING UNIVERSITY, Beijing LongRuan Technologies Inc.Inventors: Shanjun Mao, Yingbo Fan, Ben Li, Huazhou Chen, Xinchao Li
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Patent number: 11826914Abstract: mechanical arm type measuring robot device and an application method, and relates to the technical field of intelligent coal mine mining. The mechanical arm type measuring robot device comprises an automatic leveling total station, a protection mechanism, a pitch adjusting mechanism, a yaw adjusting mechanism, a vertical rotating mechanism, a controller, a mounting base and a mobile terminal. Based on a preset pitch angle and a preset yaw angle, the measuring robot starts from an initial position, and performs extension and retraction actions in a plurality of degrees of freedom in the pitch adjusting mechanism and the yaw adjusting mechanism to move the total station to a preset working position.Type: GrantFiled: June 23, 2023Date of Patent: November 28, 2023Assignee: Beijing LongRuan Technologies Inc.Inventors: Shanjun Mao, Xinchao Li, Huazhou Chen
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Publication number: 20230360338Abstract: A method for constructing a real-geographic-space scene in real time based on a panoramic-video technique is provided. By using a measuring robot and the attitude sensors, accurately determining the geographic coordinates and the attitudes of the cameras, where the cameras may be installed in a fixed or stringing manner, where in the fixing type a plurality of neighboring videos at the same moment undergo orthographic correction and splicing, and in the stringing type the cameras are installed to a guiding device and may locally, independently and quickly move and shoot, and the videos of the neighboring cameras are spliced in real time; and fusing the videos, the geographic coordinates and the environment sounds that satisfy the delay time, to form a scene video streaming.Type: ApplicationFiled: May 9, 2023Publication date: November 9, 2023Applicants: PEKING UNIVERSITY, Beijing LongRuan Technologies Inc.Inventors: Shanjun MAO, Yingbo FAN, Ben LI, Huazhou CHEN, Xinchao LI
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Patent number: 11772076Abstract: Disclosed are a nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst and a preparation method thereof. The preparation method includes preparing nitrogen-doped hierarchical-porous carbon, mixing the nitrogen-doped hierarchical-porous carbon with water, adjusting a pH value of the mixed solution to be alkaline, mixing the mixed solution with a Pd metal precursor aqueous solution, and then adding a reducing agent to obtain the nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst after reduction. The prepared nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst includes a nitrogen-doped porous carbon material carrier with hierarchical pores and Pd metal nanoparticles loaded in the hierarchical pores of the carrier. The Pd metal nanoparticles have a size of 2˜14 nm and a regular polyhedron shape.Type: GrantFiled: October 19, 2020Date of Patent: October 3, 2023Assignee: ZHEJIANG UNIVERSITYInventors: Yong Wang, Shanjun Mao, Zhe Wang
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Patent number: 11704449Abstract: A construction method of mine intelligent management and control platform based on a geological survey guarantee system includes: constructing a unified data center and a multi-dimensional (x, y), (x, y, t), (x, y, z) and (x, y, z, t) geological survey guarantee system platform, and realizing dynamic processing and multi-dimensional visual exhibition of geological survey data, to complete construction of the basic mine intelligent management and control platform and a visual operation interface; by using the multi-dimensional geological survey guarantee system as a base, constructing and accessing scenes and data of different types of safe-production systems, to realize visualized patrolling inspection, digital twinning and remote industrial control; and realizing deep fusion, decision-making analysis and visual cooperative management and control of multi-source geological survey data and data of safe production and operation, to form the mine intelligent management and control platform.Type: GrantFiled: September 30, 2022Date of Patent: July 18, 2023Assignee: BEIJING LONGRUAN TECHNOLOGIES INC.Inventors: Shanjun Mao, Xiang Li, Chao Jing
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Patent number: 11435183Abstract: A measuring-robot device for fully mechanized coal mining faces and an automatic measuring system are provided. The measuring robot includes a suspension cage, a total station, a prism and an industrial computer. Firstly, the suspension cage with automatic leveling function is fixed on the top beam of a hydraulic support, then the total station and the industrial computer are fixed in the suspension cage, and finally the prism with a plug connector is installed under the base of the total station, forming a measuring-robot device. According to the fluctuations of the fully mechanized coal mining face, several measuring robots will be deployed along the fully mechanized coal mining face, and the adjacent measuring robots are line of sight to each other, forming the automatic measuring system covering the fully mechanized coal mining.Type: GrantFiled: December 31, 2021Date of Patent: September 6, 2022Assignees: BEIJING LONGRUAN TECHNOLOGIES INC., TIANJIN NAVIGATION INSTRUMENTS RESEARCH INSTITUTEInventors: Shanjun Mao, Xinyuan Zhang, Xinchao Li, Yang Tai, Huazhou Chen, Jiazhuo Liu
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Publication number: 20220221276Abstract: A measuring-robot device for fully mechanized coal mining faces and an automatic measuring system are provided. The measuring robot includes a suspension cage, a total station, a prism and an industrial computer. Firstly, the suspension cage with automatic leveling function is fixed on the top beam of a hydraulic support, then the total station and the industrial computer are fixed in the suspension cage, and finally the prism with a plug connector is installed under the base of the total station, forming a measuring-robot device. According to the fluctuations of the fully mechanized coal mining face, several measuring robots will be deployed along the fully mechanized coal mining face, and the adjacent measuring robots are line of sight to each other, forming the automatic measuring system covering the fully mechanized coal mining.Type: ApplicationFiled: December 31, 2021Publication date: July 14, 2022Applicants: Beijing LongRuan Technologies Inc., Tianjin Navigation Instruments Research InstituteInventors: Shanjun MAO, Xinyuan ZHANG, Xinchao LI, Yang TAI, Huazhou CHEN, Jiazhuo LIU
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Patent number: 11130115Abstract: The present invention discloses a selective hydrogenation catalyst and a preparation method and an application thereof, belonging to the technical field of catalysts. The selective hydrogenation catalyst comprises an active component and a carrier for supporting the active component, wherein the active component is a transition metal particle, the carrier is modified by a flexible chain ligand in advance, one end of the flexible chain ligand is uniformly distributed on the surface of the carrier, and the other end of the flexible chain ligand is coordinated on a transition metal. When the catalyst is used for catalytic hydrogenation reaction of dehydrolinalool or 2-methyl-3-butyn-2-ol, the stability is good, the catalyst still has high selectivity after being used for a long time, and the quality of a hydrogenation product can be guaranteed.Type: GrantFiled: July 1, 2020Date of Patent: September 28, 2021Assignees: ZHEJIANG UNIVERSITY, ZHEJIANG NHU COMPANY LTD., SHANDONG NHU PHARMACEUTICAL CO., LTD.Inventors: Haoran Li, Yong Wang, Baishan Hu, Xiao Ma, Dan Qiu, Qian Luo, Zhe Wang, Shanjun Mao, Lili Yu, Qichuan Li
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Publication number: 20210252484Abstract: The present invention discloses a selective hydrogenation catalyst and a preparation method and an application thereof, belonging to the technical field of catalysts. The selective hydrogenation catalyst comprises an active component and a carrier for supporting the active component, wherein the active component is a transition metal particle, the carrier is modified by a flexible chain ligand in advance, one end of the flexible chain ligand is uniformly distributed on the surface of the carrier, and the other end of the flexible chain ligand is coordinated on a transition metal. When the catalyst is used for catalytic hydrogenation reaction of dehydrolinalool or 2-methyl-3-butyn-2-ol, the stability is good, the catalyst still has high selectivity after being used for a long time, and the quality of a hydrogenation product can be guaranteed.Type: ApplicationFiled: July 1, 2020Publication date: August 19, 2021Applicants: ZHEJIANG UNIVERSITY, ZHEJIANG NHU COMPANY LTD., SHANDONG NHU PHARMACEUTICAL CO., LTD.Inventors: Haoran LI, Yong WANG, Baishan HU, Xiao MA, Dan QIU, Qian LUO, Zhe WANG, Shanjun MAO, Lili YU, Qichuan LI
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Publication number: 20210121855Abstract: Disclosed are a nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst and a preparation method thereof. The preparation method includes preparing nitrogen-doped hierarchical-porous carbon, mixing the nitrogen-doped hierarchical-porous carbon with water, adjusting a pH value of the mixed solution to be alkaline, mixing the mixed solution with a Pd metal precursor aqueous solution, and then adding a reducing agent to obtain the nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst after reduction. The prepared nitrogen-doped hierarchical-porous carbon-loaded nano-Pd catalyst includes a nitrogen-doped porous carbon material carrier with hierarchical pores and Pd metal nanoparticles loaded in the hierarchical pores of the carrier. The Pd metal nanoparticles have a size of 2˜14 nm and a regular polyhedron shape.Type: ApplicationFiled: October 19, 2020Publication date: April 29, 2021Applicant: ZHEJIANG UNIVERSITYInventors: Yong WANG, Shanjun MAO, Zhe WANG
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Patent number: 10974225Abstract: The present disclosure belongs to the technical field of catalysis, and particularly relates to a metal oxide coated ceramic corrugated plate catalyst, its preparation method and application thereof in preparation of key intermediates of citral. The catalyst consists of a ceramic corrugated plate carrier and a metal oxide active layer coated on a surface of the carrier, wherein the metal oxide active layer is a metal oxide formed by active ingredient titanium and at least four other metal elements selected from vanadium, chromium, manganese, iron, zirconium, niobium and molybdenum.Type: GrantFiled: July 1, 2020Date of Patent: April 13, 2021Assignees: ZHEJIANG NHU COMPANY LTD., ZHEJIANG UNIVERSITY, SHANDONG NHU PHARMACEUTICAL CO., LTD.Inventors: Haoran Li, Xiao Ma, Yong Wang, Baishan Hu, Dan Qiu, Jianyong Mao, Bing Lu, Shanjun Mao, Lili Yu, Qichuan Li
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Patent number: 10737250Abstract: The present disclosure provides a PdIn alloy catalyst including a carrier and Pd metal particles supported by the carrier, the carrier is a nitrogen-doped porous carbon composite material having a plurality of passages, Pd metal particles are distributed in the plurality of passages, the nitrogen-doped porous carbon composite material includes a nitrogen-doped porous carbon material, a plurality of indium oxide particles, and In metal particles. The In metal particles are exposed through the plurality of passages, the plurality of indium oxide particles are uniformly distributed in the nitrogen-doped porous carbon material, and In atoms of the In metal particles migrated to surfaces of Pd particles selectively occupy edge and corner positions of metal lattice of Pd metal particles. The present disclosure further provides a method for manufacturing the PdIn alloy catalyst and application thereof.Type: GrantFiled: September 1, 2019Date of Patent: August 11, 2020Assignees: ZHEJIANG NHU COMPANY LTD., ZHEJIANG UNIVERSITY, SHANDONG NHU PHARMACEUTICAL CO., LTD., SHANDONG NHU VITAMIN CO., LTD.Inventors: Yong Wang, Lili Yu, Xiao Ma, Jianyong Mao, Zhe Wang, Shanjun Mao, Jianqing Li, Gang Chen, Haoran Li, Zhirong Chen
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Patent number: 10668460Abstract: A composite catalyst includes a carrier and noble metal particles supported by the carrier, wherein the carrier is a nitrogen-doped porous carbon composite material having a plurality of passages. The nitrogen-doped porous carbon composite material can include a nitrogen-doped porous carbon material and a plurality of metal oxide particles. The plurality of metal oxide particles can be uniformly distributed in the nitrogen-doped porous carbon material. The plurality of metal oxide particles can be partially exposed through the plurality of passages. The noble metal particles can be tightly combined with the exposed metal oxide particles to achieve recombination. And the noble metal particles can be at least one of Pd metal particles, Pt metal particles, Ru metal particles, Rh metal particles, Ir metal particles, Au metal particles, or a combination thereof.Type: GrantFiled: October 31, 2019Date of Patent: June 2, 2020Assignees: ZHEJIANG NHD COMPANY LTD., ZHEJIANG UNIVERSITY, SHANDONG NHU PHARMACEUTICAL CO., LTD., SHANDONG NHU VITAMIN CO., LTD.Inventors: Yong Wang, Lili Yu, Xiao Ma, Jianyong Mao, Zhe Wang, Shanjun Mao, Jingsi Tang, Haoran Li, Zhirong Chen
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Publication number: 20200070132Abstract: The present disclosure provides a PdIn alloy catalyst including a carrier and Pd metal particles supported by the carrier, the carrier is a nitrogen-doped porous carbon composite material having a plurality of passages, Pd metal particles are distributed in the plurality of passages, the nitrogen-doped porous carbon composite material includes a nitrogen-doped porous carbon material, a plurality of indium oxide particles, and In metal particles. The In metal particles are exposed through the plurality of passages, the plurality of indium oxide particles are uniformly distributed in the nitrogen-doped porous carbon material, and In atoms of the In metal particles migrated to surfaces of Pd particles selectively occupy edge and corner positions of metal lattice of Pd metal particles. The present disclosure further provides a method for manufacturing the PdIn alloy catalyst and application thereof.Type: ApplicationFiled: September 1, 2019Publication date: March 5, 2020Inventors: Yong WANG, Lili YU, Xiao MA, Jianyong MAO, Zhe WANG, Shanjun MAO, Jianqing LI, Gang CHEN, Haoran LI, Zhirong CHEN
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Publication number: 20200070138Abstract: A composite catalyst includes a carrier and noble metal particles supported by the carrier, wherein the carrier is a nitrogen-doped porous carbon composite material having a plurality of passages. The nitrogen-doped porous carbon composite material can include a nitrogen-doped porous carbon material and a plurality of metal oxide particles. The plurality of metal oxide particles can be uniformly distributed in the nitrogen-doped porous carbon material. The plurality of metal oxide particles can be partially exposed through the plurality of passages. The noble metal particles can be tightly combined with the exposed metal oxide particles to achieve recombination. And the noble metal particles can be at least one of Pd metal particles, Pt metal particles, Ru metal particles, Rh metal particles, Ir metal particles, Au metal particles, or a combination thereof.Type: ApplicationFiled: October 31, 2019Publication date: March 5, 2020Inventors: Yong WANG, Lili YU, Xiao MA, Jianyong MAO, Zhe WANG, Shanjun MAO, Jingsi TANG, Haoran LI, Zhirong CHEN