Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

127results about How to "Easy to rectify" patented technology

Electric valve fault detection method based on LSTM model

The invention discloses an electric valve fault detection method based on an LSTM model, and the method comprises the following steps: detecting the feature data of a valve during operation in real time, and collecting the feature data into a fault diagnosis processor through an eight-channel high-precision VGA signal collection card; setting a dynamic time window, extracting time series data withequal length as a sample of a data set, and making a diagnosis data training set; establishing an LSTM fault detection network model, and training by adopting a back propagation algorithm according to the LSTM fault detection model; and detecting the fault of the electric valve in real time, enabling the fault type corresponding to the maximum value of the output vector element to serve as the fault detection result of the electric valve, displaying the fault detection result on a liquid crystal display screen, and if detecting that a certain electric valve breaks down, triggering a buzzing alarm and a fault signal lamp at the same time to remind monitoring personnel. The intelligent level of the electric valve is improved, a large amount of work of manual detection is omitted, the real-time performance is high, and the industrial requirement is met.
Owner:CHINA PETROLEUM & CHEM CORP +2

Relay protection device and system, realizing plug-and-play, of transformer station

The invention discloses relay protection device and system, realizing plug-and-play, of a transformer station. The protection device comprises a line protector, a transformer protector, a bus connection protector and a bus separation protector relying on one another and associated with one another; required current and switching amount information are connected to the line protector, the transformer protector and the bus connection protector directly via secondary cables; opening/closing control is output directly via the secondary cables, and the protectors directly act on a switching mechanism of a bay level; the bus voltage collected by a voltage transformer is connected to the bus separator protector in the analog form; and the bus separator protector is directly connected to the line protector, the transformer protector and the bus connection protector via two optical cables in a point-to-point manner. On the premise that faults of the electric network can be overcome rapidly, the relay protection device system of the invention can further reduce the operation risk of the electrical network as well as the labor intensity of maintenance staff, and it is ensured that the electrical network operates safely, reliably and stably.
Owner:STATE GRID SHANDONG ELECTRIC POWER +2

Wireless network planning design project intelligent auditing method and wireless network planning design project intelligent auditing system

The invention relates to a wireless network planning design project intelligent auditing method and a wireless network planning design project intelligent auditing system. The method of the invention changes the traditional manual auditing method. An intelligent auditing server is firstly built, and the method of building the intelligent auditing server is to gather network building specification files, making an auditing rule, making an auditing report template and building the auditing server. The well-built auditing server is subjected to intelligent auditing, a project auditing rule which is well set in advance is given to the project auditing server, a project well designed by a project design unit is given to the project auditing server, the auditing server automatically audits a project design scheme according to the project auditing rule, a project auditing report is generated automatically, the auditing report contains whether each index passes the auditing and reasons of why the un-passed indexes fail in passing, a quantitative gap between the design scheme and a target index can be given, and a project designer can change the project design scheme conveniently.
Owner:山东睿新通信技术有限公司

Solid particle player

The invention discloses a solid particle player which is in a coaxial segmented sealing cylindrical structure and comprises a base plate, a spray nozzle, an acceleration section, a rectifying section, a fluidized section and a cover plate. A rectifying plate which is uniformly provided with millimeter grade through holes is fixedly arranged at the inner wall of the connected part of the acceleration section and the rectifying section; an air distribution plate which is uniformly provided with nano-grade gaps is fixedly arranged on the inner wall at the connection part of the rectifying section and the fluidized section; solid particles are stacked on the air distribution plate; a plurality of layers of fluidized substance outlets are machined at the positions in different heights at the upper side of the fluidized section; and an included angle of 15-50 degrees is formed between the axis of the fluidized substance outlets and the axis of the solid particle player. The solid particle player is formed by sintering metal powder; air current is diffused by the air distribution plate with nano-grade gaps so as to obtain the uniformly-distributed incoming current and avoid the wall-surface effect; and according to the distance among various sections and the opening mode of the air distribution plate and the side wall, the invention ensures enough flowing resistance, reduces the wall-surface effect due to the nonuniform air inlet speed and pressure distribution, overcomes the instability of focus fluidization and inhibits the abnormal phenomenon of channeling and slugging in a bed layer.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Inspection result quality evaluation method and system based on clinical specimen inspection data

The invention discloses an inspection result quality evaluation method and system based on clinical specimen inspection data. Quality evaluation in hospitals and between hospitals is realized throughPQA plug-in, a cloud server, an applet and associated webpages thereof; the PQA plug-in automatically captures all detection result data of each instrument inspection item in a laboratory internal information system every day, extracts characteristic values, generates a two-dimensional code and reports the two-dimensional code through small program code scanning, or generates a data packet and reports the data packet through a network; he reported data is stored in the cloud server; the cloud server comprehensively compares and evaluates various data reported by each hospital; and the evaluation result is output and displayed through the applet and the associated webpage thereof. According to the quality evaluation method, quality evaluation in hospitals and between hospitals is carried out by utilizing a large amount of patient specimen detection data obtained by daily detection of the hospitals and extracting the characteristic value of each batch of data, the quality of each batch of patient results is directly reflected, the evaluation frequency is improved, the long-term level of the hospitals can be reflected, and the authenticity of the data is ensured.
Owner:ZHEJIANG PROVINCIAL PEOPLES HOSPITAL

Intelligent cloud platform system and method for safety production supervision in firework and firecracker industry

ActiveCN110298627AEasy to understandHidden danger rectification is beneficialCo-operative working arrangementsOffice automationFirecrackerFireworks
The invention discloses an intelligent cloud platform system and method for safety production supervision in the firework and firecracker industry. The system is specially characterized by comprisinga trinity supervision intelligent cloud platform 4 composed of an enterprise end 1, a supervision end 2 and a public end 3. The supervision intelligent cloud platform is also provided with a central server 401. The central server is used for receiving information data sent by the system and carrying out convergence processing and transmission sending, and the enterprise end 1 further comprises enterprise user mobile end software 107, enterprise PC end client software 106 and enterprise user WEB management background software 108. The supervising end 2 further comprises supervising user mobileend software 206 and supervising user WEB management background software 205. The public end 3 further comprises social public user mobile end software 302; and the enterprise end 1, the supervision end 2, the public end 3 and the central server 401 are connected in a network mode. The system has the function of conveniently checking enterprise safety production information, and the real conditionof enterprise safety production can be known anytime and anywhere.
Owner:浏阳市恒信烟花制造有限公司

Multi-dimensional comprehensive information security assessment service platform system

A multi-dimensional comprehensive information security assessment service platform system is composed of a nation-level grade protection assessment center service platform, a province-level grade protection assessment service platform, a city-level grade protection assessment service platform and a county-level grade protection assessment service platform. A cascade mechanism is adopted in the nation-level grade protection assessment center service platform, the province-level grade protection assessment service platform and the city-level grade protection assessment service platform for mutual access so as to establish an integrated grade protection assessment service infrastructure. In physics, the isolated and dispersed information assessment platforms are connected to form a whole. The multi-dimensional comprehensive information security assessment service platform system has the advantages that the problem that grade protection assessment work is hard to implement is effectively solved, wherein according to the general requirements of national grade protection, investigating and surveying are conducted on industry information systems, and a specific assessment index system is specially provided so as to effectively guide implementation of intra-industry information security grade protection work; assessment index evaluation results are complete and rectification and planning are performed easily, wherein overall coverage assessment is conducted on the information systems on the basis of the overall industry range, and the problems such as assessment dead angles and assessment missing can be effectively avoided.
Owner:辛伟

China grain reserve quality inspection center laboratory data management system and computer program

The invention belongs to the technical field of China grain reserve quality inspection and discloses a China grain reserve quality inspection center laboratory data management system and a computer program. The China grain reserve quality inspection center laboratory data management system comprises a sample management module, a detection data management module and a report management module. In the prior sample warehousing process, after samples reach, information is input manually, unclear handwriting is generated and also needs to be checkedddddd, and approximate 60 to 80 samples are warehoused in one day; and currently, input of sample information is implemented only by electronic scanning, and 100 to 200 samples are warehoused in one day. In the circulating process of the samples, numbers are divided into sampling numbers and detection numbers; moreover, a specially-assigned person takes charge of auditing all the sample information and detection results; a fault is difficult to generate; after the fault is found, the responsibility is also clear; and security is high. The detection results are automatically summarized, automatically judged and automatically printed, so that an error rate of a report is reduced to 0.1% from 0.5%. Detection data is stored in a form of electronic encryption so as to ensure that the data cannot be tampered artificially and has an infinite storage life. A detection result database is stored in a server and can be convenient to examine and approve and inquire at any time by a China grain reserve intranet.
Owner:聂煌

Real-time valve fault diagnosis system and method based on time sequence analysis

ActiveCN110375983AAdapt to stability requirementsAdapt to Reliability RequirementsMachine valve testingCharacter and pattern recognitionForward algorithmSequence analysis
The invention relates to a real-time valve fault diagnosis system and method based on time sequence analysis, and belongs to the technical field of valve fault detection and diagnosis. The method concretely comprises that a vibration accelerometer and a sound pressure sensor monitor a valve in real time; a signal collection chip collects monitored vibration acceleration and sound pressure signalsto a diagnosis processor; five-point three-times smooth denoising is carried out on the data; diagnosis data training sets of different fault diagnosis types are generated; a fault diagnosis sequential model is established; a forward algorithm is used to calculate the likelihood probabilities of different HMM models successively, and a fault diagnosis result is obtained; and a Bluetooth model transmits the fault diagnosis result to an industrial display screen for display. Fault of the valve is diagnosed by time sequence analysis, fault information can be identified and the corresponding faulttype can be obtained at initial stage of the fault, the limit that fault can only be observed in single time is changed, the false detecting rate of faults is reduced, and the using performance of the valve is substantially improved.
Owner:CHINA PETROLEUM & CHEM CORP +2

Low-vibration high-efficiency energy-saving device in front of double-guide-pipe propeller

The invention provides a low-vibration efficient energy-saving device in front of a double-guide-pipe propeller. The low-vibration efficient energy-saving device in front of the double-guide-pipe propeller comprises two first radial guide blades, a first arc guide pipe, a second arc guide pipe and a plurality of second radial guide blades. The first radial guide blades are distributed in a radialdirection of a stern shaft, and first ends of the first radial guide blades are fixed to a periphery of the stern shaft. The second radial guide blades are distributed in the radial direction of the stern shaft and located between the two first radial guide blades, and the second radial guide blades are connected with the periphery of the stern shaft or connected with the first radial guide bladesthrough the first arc guide pipe and/or the second arc guide pipe; and the first arc guide pipe and the second arc guide pipe are connected with the first radial guide blades and the second radial guide blades or connected with the at least two second radial guide blades respectively. According to the low-vibration efficient energy-saving device in front of the double-guide-pipe propeller, a hydrodynamic characteristic of a ship tail accompanying flow field can be fully utilized, an energy-saving effect is improved, structural reliability is greatly improved, and risks of structural damage and resonance are reduced.
Owner:上海斯达瑞船舶海洋工程服务有限公司

Chemical-fiber-silk rapid cooling equipment

The invention discloses chemical-fiber-silk rapid cooling equipment. The chemical-fiber-silk rapid cooling equipment comprises a cooling box, an air cooling assembly is installed inside the cooling box, and a water-cooling assisting assembly is installed on one side of the air cooling assembly. The chemical-fiber-silk rapid cooling equipment is scientific and reasonable in structure and safe and convenient to use; the equipment is provided with the air cooling assembly, through the effects of an airflow channel, cooling chambers, chemical-fiber-silk storage boxes and air outlets, cooling air blows to chemical fiber silk, and is dispensed externally through the air outlets, and therefore the temperature on the surface of the chemical fiber silk is reduced in a flowing manner; through effects of partition plates and porous current plates, cooling air is conveniently rectified and evenly flows, and the cooling effect of the chemical fiber silk is improved; the equipment is provided with the water-cooling assisting assembly, through effects of water-cooling pipes, water storage tanks and heat guiding plates, cooling water is conveniently used for assisting the chemical fiber silk in heat dissipation, and therefore the heat dissipation rate of the chemical fiber silk is increased; through effects of grooves and water outlet pipes, wind power at the air outlets conveniently flows totake away heat in water of the water outlet pipes, and the resource utilization rate is increased.
Owner:长兴一盛纺织有限公司

Novel turbine flowmeter with self feedback system

The invention discloses a novel turbine flowmeter with a self feedback system. A front flow guiding member, a central shaft and a back flow guiding member are successively mounted in the central through hole of the turbine flowmeter body. A turbine wheel sleeves the central shaft through a flat key fixing sleeve. Two ends of the central shaft are mounted in the middle through hole of the turbine flowmeter through supporting frames and are radially fixed. Rolling bearings are mounted between two ends of the central shaft and the supporting frames. The central through hole of the turbine flowmeter body between the supporting frame which is next to the side of the back flow guiding member and the back flow guiding member is provided with an inner flange. The front flow guiding member is internally provided with an air bag for controlling flow. The air bag is connected with a rubber pipe. A rubber pipe penetrates through the turbine flowmeter body and is connected with an air source through a regulating valve. A flowmeter head is arranged outside the turbine flowmeter body. The flowmeter head and the regulating valve are connected with a comparator. The turbine flowmeter is provided with a feedback system and the flow can be adjusted. Furthermore the turbine flowmeter has advantages of reducing mounting precision error, reducing impact damage, prolonging service life, saving production cost and maintenance cost, realizing relatively high rectification effect and guiding function, and obtaining high adaptability and multiple functions.
Owner:ZHEJIANG SCI-TECH UNIV +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products