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71 results about "Physical Containment" patented technology

Physical containment (PC) is a term used to describe structures and procedures designed to prevent the release of viable organisms into the environment.

Device for reducing thrust and vibration at pipeline ends

The invention provides a device for reducing thrust and vibration at pipeline ends, which comprises a movable floater supporting component and a buffer chamber. The movable floater supporting component supports a movable table through supporting springs and an air spring, the height of the air spring is controlled by an air spring height control component, the movable table is connected with the buffer chamber through a slide chute, and the buffer chamber is connected with an external vertical air inlet pipeline and an external engine inlet duct. According to the technical scheme, physical isolation of combined load affection between the air inlet duct and the external air inlet pipeline is realized. During operation, the movable table moves axially, the rigidity of the air inlet end of the pipeline on the movable table is close to zero, affection of the external air inlet pipeline to a measurement system is avoided, and the device can be suitable for sites having requirements for thrust measurement of testing targets such as the same type gas or liquid medium. According to the testing results, the device can evidently reduce affection of pipe end thrust and coupled vibration under composite load action and the requirement on thrust measurement can be met.
Owner:中国航天科技集团公司第四研究院四0一所

Rail traffic train operating control system based on cloud computing

The invention provides a rail traffic train operating control system based on cloud computing. The rail traffic train operating control system comprises cloud computing devices and local train controldevices which are connected through redundant communication networks; the cloud computing devices provide real-time computing and storage services for all the local train control devices, and simultaneously provide the multiple redundant real-time computing and storage services for single-time computing application related to train operation control of the single local train control devices in avirtual isolation or physical isolation mode, and multiple redundant computed results are generated through computing and sent to the local train control devices; and the local train control devices complete the safe input, safe data comparison, train control safe computing control and safe output processing processes, and the safe computed result is obtained from the multiple computed results ina safe comparison mode. The invention provides an implementation method for migrating the computing link to the cloud under the premise of ensuring the safety, credibility and timeliness of a safe computing platform, and the problems of the computing capability and the resource utilization rate of the safe computing platform are solved.
Owner:BEIJING JIAOTONG UNIV

Wind power prediction system and method

The invention provides a wind power prediction system, which comprises a data collection server (1), a database server (2), an application workstation (3), a wind power prediction server (4), a data interface server (5) and reverse physical isolation equipment (6), wherein the data collection server (1) is used for operating data collection software, is communicated with the integrated communication management terminal of a wind power plant, and collects data; the database server (2) processes, carries out statistical analysis and stores the data; the wind power prediction server (4) operatesa wind power prediction module, uses a neural network integrated algorithm based on weighted least squares support vector machine and quantum particle swarm prediction on the basis of a numerical value weather forecast collected or provided by a SCADA (Supervisory Control And Data Acquisition) system, and is combined with the real-time operation working condition of a wind power plant fan to carryout short-term and ultra-short term prediction on the output situation of a single fan and the whole wind power plant; the data interface server (5) is used for obtaining the numerical value weatherforecast; and the reverse physical isolation equipment (6) is used for guaranteeing network safety. The invention also discloses a wind power prediction method, which can guarantee that prediction data which is used in field can embody recent power generation power features.
Owner:BEIJING TIANRUN NEW ENERGY INVESTMENT CO LTD

Embedded type solar observation satellite configuration

The invention provides an embedded type solar observation satellite configuration. The embedded type solar observation satellite configuration comprises a loading cabin, a platform cabin, an electromagnetic snap connection device, a cabin crossing cable, antennas and a platform load, wherein the loading cabin is embedded into the platform cabin of the satellite configuration and is connected withthe platform cabin through the electromagnetic snap connection device in a physical isolation manner; the platform load is arranged in the platform cabin and is connected with the antennas through thecabin crossing cable; a side plate is adhered to the outer surface of the platform cabin, a platform cabin view field opening hole is formed on the side plate; the platform load is used for observinginformation through the platform cabin view field opening hole. The embedding of the loading cabin is designed to provide protection for operation of equipment arranged in the loading cabin; and meanwhile, the design of a thermal control system is facilitated; because of the platform cabin view field opening hole, the loading view field is uncovered; an installation path of the cabin crossing cable cannot affect motion of a suspension plate in the loading cabin, so that power supply and data communication between the antennas and the platform load can be realized. The embedded type solar observation satellite configuration disclosed by the invention has the advantages that physical isolation between the satellite platform cabin and the loading cabin can be realized, so that the precisionand the stability of the solar observation satellite are greatly improved.
Owner:SHANGHAI SATELLITE ENG INST

Method and equipment for actively searching and positioning chemical gas leakage point

The invention discloses a method and equipment for actively searching and positioning a chemical gas leakage point. The diffusion effect of chemical gas is considered; the searching direction is determined according to the concentration distribution rule of smoke plume formed by chemical gas leakage, the mobile platform is driven to carry the sensor to approach a leakage source, a gas leakage point is positioned, the calculation efficiency is improved by applying a gradient searching algorithm, and the leakage point troubleshooting automation level and the accurate positioning capacity are improved on the whole. The method can be used for processing the positioning search under the condition of more than one leakage point in a complex factory environment. Through a positioning algorithm and active search, the search range is reduced, the personnel on-site troubleshooting time is reduced, and the safety risk is reduced. When the space of a plant area is large or a physical isolation belt exists in the plant area, a single device is difficult to traverse the whole plant area, and in order to improve the positioning efficiency, more than two sets of device partitions can be used for monitoring and positioning.
Owner:北京众蓝科技有限公司

Rapid project pricing method and system in building pricing program and computer readable storage medium

The invention discloses a rapid project pricing method in a building pricing program. The rapid project pricing method comprises the steps of obtaining all list information in an engineering project,selecting the list information for intelligent retrieval, judging whether the list information is list information of the same specialty or not, and meeting a merging condition for matching; if the conditions are not met, reselection is needed; if the condition is met, combining the selected same list information into one piece of list information; and after the pricing is finished, distributing afinal result to the list information in the engineering file before combination, and quickly finishing the pricing work of the same list. Repeated labor can be greatly reduced for engineering projects with a large number of repeated lists, thus improving user work efficiency. Same list information items are combined more accurately. Data accuracy is effectively guaranteed, a physical isolation mode is adopted. Original project files of a user are not changed, user data integrity is guaranteed User multi-region service characteristic processing can be supported, expansibility is achieved. It can be guaranteed that the project files are not lost under the abnormal condition, and data safety is guaranteed.
Owner:GLODON CO LTD

Space propelling system suitable for large-capacity storage tank filling

The invention provides a space propelling system suitable for large-capacity storage tank filling. The propelling system scheme is composed of a filling gas path system and a filling liquid path system. The filling gas path system is composed of an oxidizing agent filling gas sub-system and a fuel filling gas sub-system, the upstream of the oxidizing agent filling gas sub-system and the upstream of the fuel filling gas sub-system are in communication with each other and then are connected to a pressurizing gas path, and the downstream of the oxidizing agent filling gas sub-system and the downstream of the fuel filling gas sub-system are mutually independent and are correspondingly connected to the filling liquid path system; and the filling liquid path system is composed of an oxidizing agent storage tank pipeline sub-system and a fuel storage tank pipeline sub-system, the oxidizing storage tank pipeline sub-system and the fuel storage tank pipeline sub-system are mutually independentand physically isolated, and are correspondingly connected to the filling gas path system. According to the space propelling system, the safety of the space propelling system can be improved, the reverse flow of the oxidizing agent and the fuel can be effectively prevented so that explosion due to chemical reaction can be avoided; and the filling efficiency of a propellant is improved, the fillingtime of the propellant is shortened, and it is ensured that the propellant fill a conventional surface tension storage tank in place.
Owner:SHANGHAI INST OF SPACE PROPULSION

Elevator running safety monitoring system

The invention provides an elevator running safety monitoring system. The system comprises a monitoring sensor, a data collection terminal, a video monitoring device and a power module; the monitoringsensor is connected with the data collection terminal, the monitoring sensor is used for detecting and monitoring the elevator running state, the data collection terminal is used for storing elevatorrunning state monitoring data formed through treatment of the elevator running state, the video monitoring device is connected with a video displayer, the video monitoring device is used for shootingvideos in the elevator and carrying out storing, the power module supplies power to the monitoring sensor, the data collection terminal and the video monitoring device, the power module comprises an alternating current power supply device and a standby battery, and the power module enables the standby battery to supply power when the alternating current power supply device fails. Physical isolation or optocoupler isolation of the system and an elevator running and control system can be achieved, elevator monitoring data and a video cloud end in a car are shared, the influence on the elevator running and control system is reduced, and flexible and reliable monitoring in multiple aspects and places is facilitated.
Owner:南京博纳睿通软件科技有限公司

Isolated type intelligent temperature control fan device and control method thereof

The invention relates to an isolated type intelligent temperature control fan device which comprises a temperature treatment module, a fan speed regulating module and a direct current fan. The fan speed regulating module and the temperature treatment module are arranged in a physical isolation manner, a radio frequency identification manner is used for signal transmission, the direct current fan is connected with the fan speed regulating module through a circuit, the temperature treatment module is used for collecting environment temperature and controls the fan speed regulating module to achieve speed regulating through the radio frequency identification manner according to the environment temperature information, and intelligent control over opening, closing and speed regulating of the direct current fan is achieved. The invention further relates to a control method for the isolated type intelligent temperature control fan device. According to the isolated type intelligent temperature control fan device, the temperature treatment module and the fan speed regulating module are arranged in the physical isolation manner, communication is carried out in the radio frequency identification manner, the temperature control accuracy is effectively improved, and the switching control of the intelligent mode and the manual mode is simply and conveniently achieved.
Owner:SHANGHAI MARITIME UNIVERSITY
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