Recent Patents on Overflow Valve for Pressure Control

2021 ◽  
Vol 14 ◽  
Author(s):  
Baocheng Xie ◽  
Yi Wang ◽  
Zhaoqi Zeng ◽  
Haoliang Gou ◽  
Bing Zhang
Keyword(s):  
Pressure Control ◽  
Development Trend ◽  
Control Element ◽  
Pressure System ◽  
Existing Problems ◽  
Operating Stability ◽  
The Future ◽  
Direct Acting ◽  
Development Tendency ◽  
Working Efficiency

Background: The overflow valve, as an essential pressure control element, is widely applied in various hydraulic transmission systems because of its characteristics of constant pressure overflow, stable pressure, system unloading and safety protection. The research on the structure and working principle of the overflow valve are beneficial to improve the working efficiency and operating stability of pressure control of the hydraulic transmission. Therefore, the development trend of the overflow valve for pressure control has been paid more and more attention. Objective: To meet the growing demands for the working efficiency and operating stability of hydraulic transmission, the structure of the overflow valve for pressure control such as direct-acting overflow valve and pilot-operated overflow valve is being improved continuously. Methods: This paper retraces various current representative patents relative to the structural device of direct-acting overflow valve and pilot-operated overflow valve for pressure control. Results: Through investigating a large number of patents on the overflow valve for pressure control, the main current existing problems such as low working efficiency and poor operating stability are summarized and analyzed. Moreover, the development tendency of the overflow valve for pressure control in the future is also discussed. Conclusion: The optimization of the structure of the overflow valve for pressure control is conducive to improve working efficiency and operating stability. More correlative patents will be invented in the future.

The Domestic and International Research Situation of Photoelectric Interconnection Technology

2013 ◽  
Vol 760-762 ◽  
pp. 383-387 ◽  
Author(s):  
De Jian Zhou ◽  
Lei Cheng
Keyword(s):  
International Research ◽  
Technology Development ◽  
Development Trend ◽  
Development Trends ◽  
Basic Principles ◽  
Electronic Products ◽  
Existing Problems ◽  
The Future ◽  
Research Situation

The definition characteristics and basic principles of photoelectric interconnection technology used in electronic products are summarized in this paper. The main technologies of the photoelectric interconnection used in electronic products, and its development trend are reviewed, and existing problems of photoelectric interconnection technology development are pointed out. Finally, this paper prospects development trends of photoelectric interconnection technology in the future.

Recent Patents on Petroleum Pipe Inspection Gauge in China

2022 ◽  
Vol 16 ◽  
Author(s):  
Zhong Chen ◽  
Xiaoyang Qiu ◽  
Lingling Yang ◽  
Yalin Wang
Keyword(s):  
High Efficiency ◽  
Development Trend ◽  
Pipe Inspection ◽  
Cleaning Efficiency ◽  
Severe Problem ◽  
Future Design ◽  
The Future ◽  
Development Tendency ◽  
Future Work ◽  
Blocking Capacity

Background: With a great growing demand for petroleum, the amount of petroleum pipe is also increasing, and petroleum pipe blockage has become a severe problem in China. It is necessary to clean and inspect the petroleum pipe regularly. But the current petroleum pipe in-spection gauge can very easily block the petroleum pipe ,while the cleaning efficiency is poor. Therefore, the anti-blocking capacity and high-efficiency cleaning ability of the petroleum pipe inspection gauge has been paid more and more attention. Objective: By analyzing and discussing the patents of petroleum pipe inspection gauges in China in recent years, the future design of petro-leum pipe inspection gauge has been provided and some valuable conclusions have been summarized to solve the current problems of pipe inspection gauge. Methods: This paper studied and compared various representative patents relevant to the petroleum pipe inspection gauge. Results: By summarizing a large number of patents about petroleum pipe inspection gauges in China, the anti-blocking capacity or cleaning efficiency of those patents are analyzed and compared, and the further development tendency of petroleum pipe inspection gauges has been discussed. Conclusion: The problems of easy blocking for petroleum pipe inspection gauge and poor cleaning efficiency are still exist. It is still the main development trend for the study on anti-blocking capacity and the improvement of cleaning efficiency. The future work can be focused on pigging technical cooperation, new materials, power source and intelligent control.

scholarly journals Research status and Prospect of integrated energy system collaborative control based on energy Internet

2021 ◽  
Vol 257 ◽  
pp. 02010
Author(s):  
Peng Ye ◽  
Keming Qu ◽  
Feng Sun ◽  
Mingli Zhang ◽  
Na Zhang
Keyword(s):  
Energy System ◽  
Development Trend ◽  
Current Control ◽  
Research Progress ◽  
System Control ◽  
Energy Internet ◽  
Existing Problems ◽  
Collaborative Control ◽  
The Future ◽  
Integrated Energy System

As the only way to build the energy Internet, the key and difficult point of integrated energy system is to plan it reasonably and efficiently. This paper analyzes and summarizes the basic strategy, key technologies, control difficulties and influencing factors of integrated energy system control, summarizes the existing problems at home and abroad, and summarizes the content framework and control model of general integrated energy system control covering the source, network, load and storage links in a comprehensive way based on the latest research progress. According to the latest research progress, the paper analyzes the current control schemes, and concludes the development trend of the current integrated energy system collaborative control, makes a reasonable outlook on the future, and provides a way of thinking for people to study the integrated energy system in the future.

The Research on the Current Situation and Advances of Petrochemical Wastewater Treatment

2012 ◽  
Vol 550-553 ◽  
pp. 2416-2419 ◽  
Author(s):  
Wen Jun Xiang
Keyword(s):  
Organic Matter ◽  
Wastewater Treatment ◽  
Petrochemical Industry ◽  
Present Situation ◽  
Current Situation ◽  
High Salt ◽  
Petrochemical Wastewater ◽  
Existing Problems ◽  
The Future ◽  
At Home

At present, it is so prominent in the development of the petrochemical industry in China，and it is accompanied by petrochemical wastewater, which has become a big problem need to solve urgently.Because petrochemical wastewater mainly contains benzene-compound, organic matter, high salt wastewater and oil sewage, etc. They are very damaging and highly contaminated. The composition and properties of the petrochemical wastewater were introduced firstly, the current situation of petrochemical wastewater treatment at home and abroad were reviewed in the study. Especially the development of petrochemical industry in sichuan was introduced. Based on the present situation and the existing problems, put forward some countermeasures and expect technique develop direction in the future.

Recent Patents on Third Generation Bearing Testing Machine

2021 ◽  
Vol 15 ◽  
Author(s):  
Yanling Zhao ◽  
Huanqing Zhang
Keyword(s):  
Large Scale ◽  
High Efficiency ◽  
Testing Machine ◽  
Theoretical Research ◽  
Third Generation ◽  
Existing Problems ◽  
Military Equipment ◽  
Bearing Life ◽  
The Future ◽  
Testing Technology

Background: Bearing testing machine is the key equipment for bearing design, theoretical research and improvement, and it plays an important role in the performance of bearing life, fatigue, vibration and working temperature. With the requirements of aerospace, military equipment, automobile manufacturing and other industrial fields of the bearing are becoming higher and higher. There is an urgent need for high-precision and high-efficiency bearing testing machines to monitor and analyze the performance of bearings. Objective: By analyzing the recent patents, the characteristics and existing problems of the current bearing testing machine are summarized to provide references for the development of bearing test equipment in the future. Methods: This paper reviews various representative patents related to the third generation bearing testing machines. Results: Although the structure of bearing testing machines is different, the main problems in the structure and design principle of bearing testing machine have been summarized and analyzed, and the development of trend and direction of the future bearing testing machine have been discussed. Conclusion: Bearing testing machines for health monitoring of bearing life cycle is of great significance. The current bearing testing machine has basically achieved the monitoring and analysis However, due to the emergence of new types of bearings, further improvement is still needed. With the development of testing technology towards intelligent and big data-driven direction, bearing testing machine is moving towards the type of cloud computing and large-scale testing.

Recent Reviews on Machine Vision-Based 3D Reconstruction

2021 ◽  
Vol 14 ◽  
Author(s):  
Hongxin Zhang ◽  
Shaowei Ma ◽  
Meng Li ◽  
Hanghang Jiang ◽  
Jiaming Li
Keyword(s):  
Machine Vision ◽  
3D Reconstruction ◽  
Autonomous Navigation ◽  
Robot Vision ◽  
Research Direction ◽  
Development Trend ◽  
Future Research ◽  
The Future ◽  
The Development Trend ◽  
Better Than

Background: In machine vision, the 3D reconstruction is widely used in medical system, autonomous navigation, aviation and remote sensing measurement, industrial automation and other fields, and the demand for reconstruction precision is significantly highlighted. Therefore, the 3D reconstruction is of great research value and will be an important research direction in the future. Objective: By reviewing the latest development and patent of 3D reconstruction, this paper provides references to researchers in related fields. Methods: Machine vision-based 3D reconstruction patents and literatures were analyzed from the aspects of the algorithm, innovation and application. Among them, there are more than 30 patents and nearly 30 literatures in the past ten years. Results: Researches on machine vision-based 3D reconstruction in recent 10 years are reviewed, and the typical characteristics were concluded. The main problems in its development were analyzed, the development trend was foreseen, and the current and future research on the productions and patents related to machine vision-based 3D reconstruction is discussed. Conclusion: The reconstruction result of binocular vision and multi-vision is better than monocular vision in most cases. Current researches of 3D reconstruction focus on robot vision navigation, intelligent vehicle environment sensing system and virtual reality. The aspects that need to be improved in the future include: improving robustness, reducing computational complexity, and reducing operating equipment requirements, and so on. Furthermore, more patents on machine vision-based 3D reconstruction also should be invented.

Progress on Mg2Si Thermoelectric Materials

2014 ◽  
Vol 886 ◽  
pp. 71-74 ◽  
Author(s):  
Xiao Dong Luo ◽  
Hao Liu ◽  
Wen Lin Xu ◽  
Yong Xiang Zhu
Keyword(s):  
Thermoelectric Materials ◽  
Potential Application ◽  
Research Progress ◽  
Preparation Technique ◽  
Thermoelectric Devices ◽  
Existing Problems ◽  
Basic Performance ◽  
The Future

Mg2Si which is composed of less toxic and naturally abundant elements,has attracted more attention for its potential application to thermoelectric devices. In this paper, the basic performance and preparation technique of Mg2Si thermoelectric materials are introduced. reviewed the current research progress of Mg2Si thermoelectricity. And the paper points out the existing problems and the trend of study in the future.

Design of Sintering Machine Lubrication System Based on PLC

2014 ◽  
Vol 539 ◽  
pp. 653-655
Author(s):  
Li Li Wan ◽  
Guo Rong Wang ◽  
Jian Luo
Keyword(s):  
Control Strategy ◽  
Supply System ◽  
System Control ◽  
Lubrication System ◽  
Iron And Steel ◽  
Sintering Machine ◽  
Oil Supply ◽  
Existing Problems ◽  
Working Efficiency

The design of Xinyang Iron and Steel Factorys sintering machine lubrication system based on Siemens S7-200 PLC is introduced in this paper. According to the characteristics of the lubrication system, and the current domestic situation of the lubrication system existing problems, corresponding control strategy is presented. Using automatic oil supply system instead of manual oil supply, not only improve the reliability and accuracy of the system control, but also improve the working efficiency.

Study on the Transformation of the Development Model of the National Public Information Sharing Platform for Transportation & Logistics

2015 ◽  
Vol 744-746 ◽  
pp. 1902-1905
Author(s):  
Shou Wen Ji ◽  
Qiu Xing Feng
Keyword(s):  
Information Sharing ◽  
Public Information ◽  
Development Trend ◽  
Development Model ◽  
Service Model ◽  
Profit Model ◽  
The Sustainable Development ◽  
Development Status ◽  
The Future ◽  
The Development Trend

The article researches on the development model of the National Public Information Sharing Platform for Transportation& Logistics (LOGINK), in which the author introduces the function orientation of the LOGINK. Based on the current development status of the platform, the article predicts the development trend in the future. Then, it analyzed the necessary of the transformation of the LOGINK’s development model. In order to ensure the sustainable development of the platform, this paper proposes that the development model should be changed from “Charity” to “Charity + Appreciation”. Lastly, the article gives a plan about the service model and profit model of the platform in the future.

Discussion of the Development Trend of Urban Residences in the 21st Century

2011 ◽  
Vol 368-373 ◽  
pp. 3672-3675
Author(s):  
Xiao Hua Guo ◽  
Lei Zhang
Keyword(s):  
Sustainable Development ◽  
Energy Conservation ◽  
Environmental Protection ◽  
Development Trend ◽  
Residential Construction ◽  
Residential Energy ◽  
Aging Society ◽  
The Future ◽  
Construction Pattern ◽  
The Development Trend

This paper discusses the development trend of urban residences in the future from residential energy conservation, sustainable development, ecologicalization, intelligentalization, and the way to fit for the demands of aging society, in order to offer a reference for seeking the construction pattern of comfortable, healthy and environmental protection residences and the development of such residences, and to make the residential construction in our country better satisfy the consistently increased residential requirements of people.

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