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

System and method for detecting computer security information based on U disc authentication

The invention discloses a system and a method for detecting computer security information based on U disc authentication. The system comprises a data collecting terminal and a data analyzing processor, wherein the data collecting terminal comprises an embedded micro processor, an SDRAM memory module, a FLASH memory module, a serial communication circuit module, a USB interface circuit module, a network card, a touch screen driving circuit module, an authenticated U disc, a touch screen and a power supply managing module; the method comprises the steps of firstly, initializing system parameters; secondly, collecting data and performing encrypted signature; thirdly, securely storing and protecting a data file; fourthly, transporting the data; and fifthly, analyzing and processing the received data with the data analyzing processor to obtain an analytic processing result, and storing and displaying the result. The invention has novel and rational design, convenient implementation, convenient use and operation, high real-time capability and accuracy of data collection and transportation, high monitoring efficiency of the security of the computer, flexible and convenient use, strong practicability and high popularizing and applying values.
Owner:XIAN UNIV OF POSTS & TELECOMM

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

Manufacturing and mounting method of hanging basket suspension support for inclined roof

The invention provides a hanging basket suspension support for an inclined roof. The hanging basket suspension support is mounted on a gutter of the inclined roof and used for hoisting a work platform. The hanging basket suspension support is characterized in that the hanging basket suspension support comprises an embedded part, a support body and a hoisting mechanism; the embedded part is arranged on the inclined roof; the support body is arranged on the gutter in a crossing mode and fixedly or detachably mounted on the embedded part; the support body comprises a support main rod and a suspension mechanism; one end of the support main rod is mounted on the embedded part; the other end of the support main rod is detachably provided with the suspension mechanism; and one end of the hoistingmechanism is provided with the work platform, and the other end of the hoisting mechanism is connected with the embedded part through the suspension mechanism. The hanging basket suspension support for the inclined roof has the characteristics of being simple in structure, safe, reliable, convenient to mount and low in cost.
Owner:SHANGHAI TONGJI CONSTR CO LTD

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

Integrated circuit and a method of making an integrated circuit to provide a gate contact over a diffusion region

A method of forming an integrated circuit 68 provides over a diffusion region 28 on a substrate 26 a gate electrode 36. A source electrode is provided by a source local interconnect conductor 30 and a drain electrode is provided by a drain local interconnect conductor 32. An insulator layer 38 is formed over these electrodes and respective electrode openings are formed through the insulator layer 38 so as to provide electrical connection to a Metal1 layer 46, 48, 50. The etching process for the electrode openings is controlled such that the maximum etching depth is insufficient to penetrate through the insulating layer 38 and accordingly short circuit a gate insulator layer 34 provided between the diffusion region 28 and the gate electrode 36. Thus, the gate opening may be positioned over the diffusion region 28. Double patterning followed by separate etching steps for the gate opening and the source / drain opening may be used to control the gate opening depth and permit the gate contact to be position overlying the diffusion region.
Owner:ARM LTD

Road test method for verifying reliability and durability of automatic driving vehicle

ActiveCN111638060AComprehensive verification of reliability and durabilitySolve defects that cannot provide vibration stressVehicle testingVehicle miles of travelReliability engineering
The invention discloses a road test method for verifying the reliability and durability of an automatic driving vehicle, and the method comprises the following steps: S1, building an automatic drivingtest road: S2, installing a road monitoring system at a preset position of the automatic driving test road, and installing a driving monitoring system at a preset position of an automatic driving automobile product; step S3, on an automatic driving test road, controlling the automatic driving vehicle product to carry out a reliable durability test, carrying out turning driving at a preset maximumspeed, and when the driving mileage of the automatic driving vehicle product reaches a preset test driving mileage, checking a preset part of the automatic driving vehicle product, thereby realizingreliable durability detection of the automatic driving vehicle product. The defect that vibration stress cannot be provided in a static test can be overcome, the vibration condition of an automatic driving automobile product in use is reliably simulated, the reliable durability of the product is comprehensively verified, and the product quality is promoted to be improved.
Owner:BEIJING ZHIXINGZHE TECH CO LTD

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

Freight train self-storage energy retarder

The invention belongs to the field of retarders, and specifically relates to a freight train self-storage energy retarder. The problem that energy released during deceleration of an existing train isnot recovered is aimed at. The invention discloses the freight train self-storage energy retarder. The technical scheme is that the freight train self-storage energy retarder comprises a top (1), a top seat (4), and a fixing device and further comprises a ball screw (2) and a power generating and storing device, the ball screw (2) is provided with a nut (5) in a matching mode, the top (1) is fixedly connected with the nut (5), a spring (7) sleeves the ball screw (2), the spring (7) is located between the nut (5) and the fixing device, the power generating and storing device comprises a generator (23) and an energy storage device, the fixing device and the top seat (4) are connected, the lower end of the ball screw (2) is rotatably connected with the fixing device, and the lower end of theball screw (2) is connected with a rotating shaft of the generator (23). The freight train self-storage energy retarder is suitable for decelerating trains.
Owner:SOUTHWEST JIAOTONG UNIV

Interactive engineering inspection method

The invention discloses an interactive engineering inspection method. The method comprises a step S1 of making an engineering inspection scheme, a step S2 of distributing the established engineering inspection scheme to an inspector and obtaining the geographic position of the inspector, a step S3 of planning the optimal way to an engineering address according to the geographic position of the inspector and the engineering address in the engineering inspection scheme, a step S4 of planning the optimal inspection line according to the inspection content and the GPS positioning information of the inspector, a step S5 of completing inspection and recording an inspection result according to the optimal inspection line, and a step 6 of forming an inspection report according to records. The invention can determine that the inspector must arrive for work, the validity and accuracy of inspection data can be ensured, and the inspection efficiency is high.
Owner:深圳市爱德数智科技股份有限公司

Integrated circuit and a method of making an integrated circuit to provide a gate contact over a diffusion region

A method of forming an integrated circuit 68 provides over a diffusion region 28 on a substrate 26 a gate electrode 36. A source electrode is provided by a source local interconnect conductor 30 and a drain electrode is provided by a drain local interconnect conductor 32. An insulator layer 38 is formed over these electrodes and respective electrode openings are formed through the insulator layer 38 so as to provide electrical connection to a Metal1 layer 46, 48, 50. The etching process for the electrode openings is controlled such that the maximum etching depth is insufficient to penetrate through the insulating layer 38 and accordingly short circuit a gate insulator layer 34 provided between the diffusion region 28 and the gate electrode 36. Thus, the gate opening may be positioned over the diffusion region 28. Double patterning followed by separate etching steps for the gate opening and the source / drain opening may be used to control the gate opening depth and permit the gate contact to be position overlying the diffusion region.
Owner:ARM LTD

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

Online education method based on big data analysis and online education platform

The invention discloses an online education method based on big data analysis. The method comprises the steps that a teaching video and audio file is played / lively-played; user real-time information is collected in the playing / lively-playing process of the teaching video and audio file; the user real-time information under the same account is analyzed to obtain teaching quality scores during collection of the user real-time information; and the teaching quality scores under all the accounts are summarized, and a teaching quality score curve graph is drawn, wherein the user real-time information comprises one or more of user image information, user audio information and key information. According to the method, the image information and audio information in the learning process of a user are collected, a button can be clicked anytime to feed back the acceptance of the user in a time period or at a time point, and teaching quality is judged according to the information and the acceptanceof the user; after all the information is collected, a part difficult to understand in the teaching process of a teacher can be obtained, it is convenient to timely improve the teaching mode of the part in a later period, and teaching quality is improved.
Owner:广州千睿信息科技有限公司

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

Method for improving stability of permanent gas extraction system of outburst mine

The invention discloses a method for improving the stability of a permanent gas extraction system of an outburst mine. The method comprises a solution to water accumulation in a pipeline of the permanent gas extraction system, a solution to hole collapse occurring when drilling is carried out on a low-permeability soft coal seam, a solution to blockage of an extraction pipe due to excessive slurry, and a solution to gas leakage and abnormal negative pressure of the pipeline of the extraction system. By means of the method, the probability of water accumulation of the pipeline is reduced, and the extraction effect is improved; moreover, the phenomena of gas emission and hole collapse can be effectively avoided, and the situation that the gas cannot be extracted due to the fact that the extraction pipe is blocked by slightly excessive slurry is avoided; the stability and integrity of the permanent gas extraction system of the outburst mine are improved.
Owner:HUNAN UNIV OF SCI & TECH

Connecting system for parallel pipe type photobioreactor

The invention provides a connecting system for a parallel pipe type photobioreactor. The connecting system mainly comprises one or more of a photo-reactor connecting system, a photo-reactor and iron tube connecting system, a photo-reactor fixing system, an iron tube, pump and storage tank system and / or a self-control connecting system, which are combined and connected. The connecting system of the invention can overcome the defects of the prior art, provide a solution of a whole set of closed culture microalgae device which has the advantages of simple manufacture, convenient disassembly, highly efficient light energy utilization, conveniently assembly and self control, and effectively utilize the light energy; and in the process of assembling and using the connecting system, the photo-reactor products are protected to a great extent, and the assembly of the industrial scale-up type reactor is guaranteed.
Owner:ENN SCI & TECH DEV

Method for detecting and analyzing radiated electromagnetic interference of wiring harnesses of power conversion system of automobile

The invention discloses a method for detecting and analyzing radiated electromagnetic interference of wiring harnesses of a power conversion system of an automobile. In the method, reasonable detecting steps are designed for detecting primary radiated interference wiring harnesses and detecting the distribution frequency band and size of the radiated electromagnetic interference generated by eachof the wiring harnesses, so as to direct engineering technical personnel to eliminate the radiated electromagnetic interference of the wiring harnesses of the power conversion system and to conveniently implement the excellent electromagnetic compatibility design for the wiring harnesses of the power conversion system. The method disclosed by the invention has the advantages that the steps are compact and the implementation is convenient.
Owner:CHONGQING UNIV

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

System and method for ventilating explosive regions of an aircraft

The invention relates to a system (10) for ventilating an explosive region (12) of an aircraft, comprising a ram air channel (16), which has an air inlet for supplying ambient air into the ram air channel (16), and an air outlet (18). The ram air channel (16) is configured to supply air to a device to be cooled on board of the aircraft. A ventilation line (22) has an air inlet (24) for supplying air flowing from the ram air channel (16) into the ventilation line (22), and an air outlet (26). The ventilation line (22) is configured to supply air to a region (12) of the aircraft to be ventilated. A reservoir (28) is disposed between the ram air channel (16) and the air inlet (24) of the ventilation line (22), said reservoir being configured to convert the dynamic pressure of the air flow directed through the ram air channel (16) at least partially into static pressure.
Owner:AIRBUS OPERATIONS GMBH

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

Performance determination method for anti-coking coating of boiler heating surface tube

The invention discloses a performance determination method for an anti-coking coating of a boiler heating surface tube, which comprises the steps of 1) measuring the coating thickness, and determining the coating thickness uniformity; 2) carrying out microstructure morphology inspection on the coating, and determining the micro-morphology and the phase structure; 3) performing a thermal shock test on the coating, and determining the cold-hot alternating resistance capacity of the coating; 4) testing heat transfer characteristics of the coating; and 5) performing a coking and slagging test in a test platform, and determining the coking and slagging resistance performance of the coating under a laboratory condition. The method disclosed by the invention can comprehensively determine anti-coking effects of the coating, provides a determination system for authenticating the performance of the anti-coking coating, and is simple and reliable.
Owner:GUODIAN NANJING ELECTRIC POWER TEST RES CO LTD

Method for reducing broad band radiation of whole vehicle and engine ignition system

The invention discloses a method for reducing broad band radiation of a whole vehicle and an engine ignition system. The method comprises the following steps: determining a main disturbance source and a disturbance frequency band which cause standard exceeding of the broad band radiation of the whole vehicle; determining a disturbance transmission path according to the main disturbance source; analyzing the disturbance transmission path and the disturbance frequency band, and determining an electromagnetic compatible rectification and reform program for reducing standard exceeding of the broad band radiation of the whole vehicle; and rectifying and reforming the main disturbance source according to the electromagnetic compatible rectification and reform program. By the method, the problem that standard exceeding of broad band radiation energy of the whole vehicle cannot be reduced simply and effectively in the prior art can be solved.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Highway engineering supervision and inspection equipment

The invention relates to highway engineering supervision and inspection equipment, and effectively solves the problems that the process is relatively tedious, the efficiency is relatively low and the accuracy is not high during acceptance and inspection of highway piers in the prior art. According to the technical scheme, the device can correspondingly adjust the shooting position of a camera according to the position of a bump on the surface of a bridge pier, and enables the camera to be close to the position of the bump as much as possible for shooting, so that detection personnel can clearly observe the conditions of the bump and cracks; moreover, the position of the detected bump can be marked, so that subsequent highway constructors can rectify the bump conveniently, the detection personnel can clearly and accurately complete detection, subsequent rectification of the highway constructors is facilitated, the highway acceptance efficiency is improved, and the overall efficiency of the constructors is also improved.
Owner:河南大同路桥技术咨询有限公司

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

Gas turbine component air flow test bench and test method

The invention discloses a gas turbine component air flow test bench and a test method, and relates to the field of flow test devices. The gas turbine component air flow test bench comprises an air source processing device and a test bench body. The air source processing equipment comprises an air compressor, an air storage tank, a primary filter, a refrigerated dryer, a medium-efficiency filter, an adsorption dryer and a high-efficiency filter; and the test bench body comprises a test air supply pipe, a test air main switch valve, a pneumatic pressure regulating valve, an air distributing bag, a plurality of flow meters, switch valves corresponding to the flow meters, an air collecting bag, a surge tank, a pneumatic pressure regulating valve controller, a test piece pressure measuring sensor, an atmospheric pressure sensor, an atmospheric temperature sensor, an air source pressure sensor, a data acquisition controller, upper computer measurement and control software and a pneumatic control system. The test bench is simple and compact in structure and convenient to move, and the test method is simple to operate and easy to master.
Owner:浙江燃创透平机械有限公司 +2

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
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