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42results about How to "Control interval" patented technology

Three-dimensional layered water quality monitoring method and three-dimensional layered water quality monitoring system

ActiveCN106290770AMonitoring is automatic and accurateControl depthTesting waterAutomatic controlMean square
The invention provides a three-dimensional layered water quality monitoring method and a three-dimensional layered water quality monitoring system. The method comprises the following steps of collecting water quality information of each measurement point, calculating mean square deviation of water quality parameters of each measurement point in real time, and collecting positions underwater according to the mean square deviation value; automatically controlling the underwater collection speed according to the water-level fluctuation speed; and collecting water quality information at different underwater depths according to the mean square deviation of water quality information, measurement points with water-level fluctuation selective adaptability and underwater speed, and establishing water body information in a layered manner. The system comprises a lifting execution device, an underwater collection device arranged on the lifting execution device, and an overwater control device respectively connected with the lifting execution device and the underwater collection device. The method and the system are capable of automatically and accurately monitoring ocean water quality or surface water quality, intelligently controlling the collection depth, speed and interval, accurately, effectively and automatically dividing each water layer along the direction, and providing accurate and reliable data guarantee for water quality research.
Owner:CHINA AGRI UNIV

Control device for internal combustion engine

An object of the invention is to provide a control device for an internal combustion engine that regularly and forcefully removes deposit that is accumulated in cylinders and restrains consecutive occurrences of pre-ignition beforehand. The internal combustion engine has a low-speed pre-ignition region in which a possibility of occurrence of pre-ignition increases, in a low-rotation and high-load region. Ignition means (16) for igniting an air-fuel mixture taken into the cylinders is included. When an operation region is in a region other than the low-speed pre-ignition region and in a forceful knock enabling region with a load equivalent to or higher than a lower limit load at which knocking can be forcefully generated by advance of ignition timing, the ignition timing by the ignition means is forcefully advanced at a predetermined control interval, and a maximum in-cylinder pressure that is higher than at a time of ordinary combustion in the operation region and is lower than at a time of occurrence of pre-ignition is generated. The control interval is made longer as a load of the operation region is higher, and the control interval is made shorter as the load of the operation region is lower.
Owner:TOYOTA JIDOSHA KK

Online nuclear magnetic resonance type analysis and detection device of oil content of drilling fluid

The invention discloses an online nuclear magnetic resonance type analysis and detection device of the oil content of drilling fluid, which comprises an online drilling fluid sampling device and a low-field-intensity nuclear magnetic resonance device. The online drilling fluid sampling device comprises a power pump extracting device arranged on a drilling fluid pipeline and a sampling pipeline connected with the power pump extracting device; and the low-field-intensity nuclear magnetic resonance device comprises a probe device and a spectrometer control device, wherein the probe device comprises a detection coil around the sampling pipeline and a magnet arranged on the periphery of the detection coil, the spectrometer control device comprises a control computer, a signal receiving and transmitting change-over switch, a radio-frequency signal amplifier and a weak signal amplifier, wherein the signal receiving and transmitting change-over switch is connected with the detection coil, the radio-frequency signal amplifier and the weak signal amplifier are connected with the control computer and the signal receiving and transmitting change-over switch, and analysis and detection software of the oil content of drilling fluid is arranged in the control computer. The invention can conveniently and rapidly obtain the oil-water signal in the drilling fluid according to experimental requirements, so as to achieve the real-time analysis of the oil content and water content of the drilling fluid, to learn about the stratum information, and to provide rapid and effective drilling guidance.
Owner:SUZHOU NIUMAG ELECTRONICS TECH

Liquid crystal spacer, spacer diffusion liquid, liquid crystal display device manufacturing method, and liquid crystal display divice

The invention provides a liquid crystal spacer capable of accurately controlling the interval between two substrates when manufacturing a liquid crystal display device and being strongly fixed to the surface of the substrates; a spacer distribution liquid capable of accurately controlling the interval between the two substrates when manufacturing the liquid crystal device and capable of strongly fixing spacer particles onto the surface of the substrates; a method for manufacturing the spacer distribution liquid and a liquid crystal display device capable of accurately arranging the spacer particles on a particular position of the substrates; and a liquid crystal display device. The liquid crystal spacer includes a base material particle and an adhesive layer arranged on the surface of the base material particle. The adhesive layer has an apparent center not coinciding with the apparent center of the base material particle.
Owner:SEKISUI CHEM CO LTD

Buffer-based magnitude charging middle message processing method

A buffer mode-based mass accounting intermediate message processing method, increase the record for accounting intermediate message, each time the user's accounting intermediate message received, the on-line accounting information of the user may be updated, and adopt the buffer mode accounting intermediate message processing method, through the buffer queue, isolate the accounting intermediate message processing from the normal accounting initial message and accounting final message processing, the technical process flow for buffer mode accounting intermediate message processing: with the control module: the protocol analysis module is configured for receiving the accounting message; the protocol analysis module may standardize the accounting message and put it into the buffer queue; the protocol analysis module may not wait the intermediate message processing, directly send the accounting response to the BRAS; the intermediate message processing module may read the data of buffer queue; and save the intermediate message information into the database.
Owner:ASIAINFO TECH NANJING

Optical chip substrate-based micro-spectral measurement device and method

The invention discloses an optical chip substrate-based micro-spectral measurement device and method. The device comprises an illumination laser source, a beam expansion lens, a near-end laser mirror,a focusing micro-objective, a wide spectral coupled carrier optical chip, a collection microscope, a dichroscope, an imaging lens and a CCD image sensor. The method comprises the following steps of preparing the wide spectral coupled carrier optical chip with a chromatic dispersion function; carrying out beam expansion on the laser emitted by the illumination laser source and reflecting the laserto a to-be-measured object on the chip through the near-end laser mirror and the focusing micro-objective; and constraining the signals sent by to-be-measured molecules on the surface of the wide spectral coupled carrier optical chip and enabling the signals to outgo downwards at a plurality of angles, and imaging the signals on the image sensor by the imaging lens after the signals are receivedby the micro-objective and reflected by the dichroscope so as to calculate a spectral signal of the to-be-measured object. The device and method is capable of solving the technical problem that the traditional spectral measurement is low in collection speed and low in analysis efficiency.
Owner:NANJING UNIV OF SCI & TECH

Orbital transferring mechanism for conveying card reader holder

The invention relates to an orbital transferring mechanism for conveying a card reader holder. The orbital transferring mechanism comprises two conveying bands that are arranged along the same height and extended horizontally. The conveying bands are used for conveying the card reader holder along the same movement direction. Fixed baffle plates are arranged at two sides of the upper part of the conveying bands. The orbital transferring mechanism is characterized in that the rear end of one conveying band is overlapped with the head of the other conveying band along the movement direction. Movable baffle plates are arranged at the two sides of the upper part of only one conveying band. The baffle plate is capable of horizontally moving along the direction vertical to the movement direction of the conveying band. The orbital transferring mechanism disclosed by the invention is capable of transferring orbit of the card holders on the conveying bands that moves at a relatively high speed to convey the card holder to the other conveying band that moves at a relatively low speed, so that the card holder movement at variable speed is realized without influencing the running of the relatively high speed conveying band. Therefore, the moving speed of the card holder is relatively low when the card holder is conveyed to an operator and the operator is easy to keep pace with the operation.
Owner:昆山市德来福工业自动化有限公司

High-strength aluminum-lithium alloy profile for aerospace and preparation method of high-strength aluminum-lithium alloy profile

The invention relates to a high-strength aluminum-lithium alloy profile for aerospace and a preparation method of the high-strength aluminum-lithium alloy profile. The high-strength aluminum-lithium alloy profile for the aerospace and the preparation method of the high-strength aluminum-lithium alloy profile aim to solve the problems that an aluminum and lithium alloy produced through an existingprocess is large in casting forming difficulty, and the strength of the existing aluminum and lithium alloy is low. The high-strength aluminum-lithium alloy profile for the aerospace is composed of Cu, Li, Ti, Zn, Ti, Mg, Zr and Al; and impurity elements are Mn, Fe and Si. The preparation method includes the steps that firstly, raw materials are weighed and taken; secondly, molten aluminum alloy is obtained due to smelting; thirdly, refining is performed after Al-Ti-B wires are added; fourthly, spraying forming is performed; fifthly, aluminum alloy short bars are formed due to cutting; sixthly, blind die extruding is performed so that extruded blank is obtained; seventhly, the extruded blank is extruded into a bar material; eighthly, extruding is performed again so that the profile is obtained; ninthly, the profile is subjected to quenching; tenthly, stretching and straightening are performed; and eleventhly, ageing treatment is performed, and the aluminum-lithium alloy profile is obtained. The preparation method is mainly used for preparing the high-strength aluminum-lithium alloy profile for the aerospace.
Owner:NORTHEAST LIGHT ALLOY CO LTD

Anti-biological-attachment rope

The invention relates to a rope, in particular to an anti-biological-attachment rope. The rope comprises a rope body, the rope body is woven from multiple strands of ropes, and a nano anti-dirt layerand an organic siloxane anti-attachment layer are arranged on the outer side wall of each strand of rope from outside to inside in sequence; a rope core part of the rope body is provided with a bubblegeneration pipe, multiple bubble holes are formed in the outer side wall of the bubble generation pipe, and a gas generation device is connected to the top of the bubble generation pipe. According tothe anti-biological-attachment rope, by arranging the nano anti-dirt layers and the organic siloxane anti-attachment layers, biological-attachment is effectively prevented. For the bubble generationpipe arranged on the rope core part, through a fan, air enters the bubble generation pipe and is further discharged through the bubble holes, multiple circulation bubbles are generated on the periphery of the rope, and biological-attachment is further interfered through the generated bubbles. The anti-biological-attachment rope is simple in overall structure and suitable for application and popularization and has an obvious anti-biological-attachment effect.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI +1

Splicing type collimating mirror adjustment device and method

The invention provides a splicing type collimating mirror adjustment device and method, comprising: a connecting flange fixed on the back of the collimating mirror, an adjusting ball seat fixed on the connecting flange, a locking screw installed on the connecting flange, and a lock Lock nuts, fixing seats, rear ball pads and adjusting screws connected by tight screws. Wherein, the surface of the adjusting ball seat is a spherical surface. The rear ball pad is installed on the surface of the fixed seat facing the adjusting ball seat. The surface of the rear ball pad facing the adjusting ball seat is a spherical surface, which is used to limit the movement of the adjusting ball seat. One end of the adjustment screw is connected to the fixed seat, and the other end is against the surface of the connecting flange, which is used to rotate the collimator mirror in azimuth and pitch. The locking screw runs through the middle of the adjusting ball seat, the rear ball pad and the fixing seat. The locking nut is threadedly connected to one end of the locking screw passing through the fixing seat, and is used for locking the relative position of the fixing seat and the connecting flange. The invention can effectively improve the adjustment efficiency and energy utilization rate of the unit collimating mirror.
Owner:BEIJING INST OF ENVIRONMENTAL FEATURES

Continuous ramming type seismic source device

ActiveCN106094015AChange the shock frequencyImprove signal-to-noise ratioSeismologyTerrainIntermittent motion
The invention relates to a continuous ramming type seismic source device, which is mainly composed of a rack, wheels, a handrail, a heavy hammer, a connecting shaft type bottom plate, a baffle plate, a reset spring, a hinge pin, a T-shaped rod, a semicircular arc clamping groove, crank shafts, a big gear, a small gear, a worm wheel, a worm, a three-phase asynchronous motor and a counter weight, and is characterized in that the middle part of the heavy hammer is provided with a center hole, and the heavy hammer is fixed on the connecting shaft type bottom plate through the baffle plate; the connecting shaft bottom plate is connected with the T-shaped rod through the hinge pin; the T-shaped rod and the semicircular arc clamping groove fixed on the crank shafts form an intermittent motion mechanism; the whole device is fixed on the rack equipped with the handrail and the wheels; and the three-phase asynchronous motor drives the two crank shafts, which are arranged in a left-right symmetric manner and are fixedly connected to the semicircular arc clamping groove, to rotate. The continuous ramming type seismic source device enables the heavy hammer to ram the ground continuously so as to generate continuous controllable pulse signals, and has the advantages of high impact efficiency, adjustable interval, accurate impact force and time-delay-free output signal; and the continuous ramming type seismic source device is small in size, simple in structure, convenient to transport and transfer, and applicable to a complex terrain where field large-scale seismic source equipment cannot operate.
Owner:SOUTHWEST PETROLEUM UNIV

Board washing machine for PCB processing and use method thereof

The invention relates to a board washing machine for PCB machining. The board washing machine comprises a board washing machine body, a conveying line is arranged in the board washing machine body, a feeding mechanism is arranged at the feeding end of the conveying line, and a discharging mechanism is arranged at the discharging end of the conveying line. The feeding mechanism comprises a jacking and separating device, a two-shaft driving device and a grabbing device, the jacking and separating device is arranged at the feeding end of the conveying line, the two-shaft driving device is arranged on the side of the conveying line, the grabbing device is arranged at the output end of the two-shaft driving device, the grabbing device comprises a plurality of suction nozzles, and the suction nozzles can be far away from or close to one another. According to the machine, the mode that the PCB is manually separated for feeding is replaced, the PCB can be fed in multiple rows in parallel, the feeding efficiency of the PCB is effectively improved, the interval between the adjacent PCB is guaranteed, the board washing machine body can sufficiently wash the PCB in the follow-up process, and the cleaning quality of the PCB is improved.
Owner:佛山市数力电子科技有限公司

Fin type field effect transistor structure and manufacturing method thereof

The invention provides a fin type field effect transistor structure and a manufacturing method thereof. The manufacturing method of the fin type field effect transistor structure includes: forming an initial fin-shaped structure on a substrate by photoetching and etching; expitaxially growing on the initial fin-shaped structure an inverted U-shaped thin film laminated structure at least containing a first material layer and a second material layer; filling a third material in an outer side of the inverted U-shaped thin film laminated structure; etching the third material and the inverted U-shaped thin film laminated structure, thereby exposing the initial fin-shaped structure; and further etching the first material layer, thereby exposing a fin-shaped structure formed by the initial fin-shaped structure and the second material layer.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP

Online nuclear magnetic resonance type analysis and detection device of oil content of drilling fluid

ActiveCN101793147BReal-time oil and water signal testQuick oil and water signal testAnalysis using nuclear magnetic resonanceBorehole/well accessoriesReal time analysisSpectrometer
The invention discloses an online nuclear magnetic resonance type analysis and detection device of the oil content of drilling fluid, which comprises an online drilling fluid sampling device and a low-field-intensity nuclear magnetic resonance device. The online drilling fluid sampling device comprises a power pump extracting device arranged on a drilling fluid pipeline and a sampling pipeline connected with the power pump extracting device; and the low-field-intensity nuclear magnetic resonance device comprises a probe device and a spectrometer control device, wherein the probe device comprises a detection coil around the sampling pipeline and a magnet arranged on the periphery of the detection coil, the spectrometer control device comprises a control computer, a signal receiving and transmitting change-over switch, a radio-frequency signal amplifier and a weak signal amplifier, wherein the signal receiving and transmitting change-over switch is connected with the detection coil, theradio-frequency signal amplifier and the weak signal amplifier are connected with the control computer and the signal receiving and transmitting change-over switch, and analysis and detection software of the oil content of drilling fluid is arranged in the control computer. The invention can conveniently and rapidly obtain the oil-water signal in the drilling fluid according to experimental requirements, so as to achieve the real-time analysis of the oil content and water content of the drilling fluid, to learn about the stratum information, and to provide rapid and effective drilling guidance.
Owner:SUZHOU NIUMAG ELECTRONICS TECH

Time domain reflection signal data acquisition method and device

The invention discloses a time domain reflection signal data acquisition method and device, and aims at solving the problem that existing time domain reflection signal sampling equipment is high in cost. The method comprises the steps that a processor controls a gate array device to transmit pulse signals to a to-be-detected fault line, and the gate array device synchronously starts delay timing for sampling reflected signals corresponding to transmitted signals, wherein the transmitted signals are used for detecting a fault position of a to-be-detected fault line, the time delay is the timingstarting from the emission moment of the transmitted signals, the time delay duration of each time of sampling is different, when the time is delayed to a preset sampling time point, the gate array device sends Trig trigger signals to the low-speed ADC converter and the high-speed sampling holder so as to trigger the low-speed ADC converter to carry out single-point sampling on reflection signalsoutput by the high-speed sampling holder, and the sampling frequency is related to the transmitted signal emission frequency. According to the method, the low-speed ADC converter is adopted, and thepurposes of reducing the cost and achieving high-speed sampling are achieved by increasing the sampling time and times.
Owner:SHANDONG SENTER ELECTRONICS

Optical lens with laser-induced periodic surface microstructure

An optical lens with a laser-induced periodic surface microstructure includes an optical lens which is an integrated material and is provided with a surface and a curved surface opposite to the surface. The curved surface of the optical lens is induced by laser so that the curved surface of the optical lens forms a laser-induced periodic surface microstructure. The structural arrangement and the structural size of the laser-induced periodic surface microstructure are as follows: the structural arrangement is that a plurality of structural bodies are periodically arranged, and the structural size is that the structural bodies are separated at intervals of 50nm-1000nm and the height of each structural body is 50nm-500nm.
Owner:SUN YANG OPTICS DEV CO LTD

Connection assembly for panel furniture

The invention discloses a connection assembly for panel furniture. The connection assembly comprises a connection assembly main body, a connection base, a main supporting column, a movable sleeve ringand a connector. A main supporting rod is fixedly connected to the middle of the connection assembly main body, the connection base is in nested connection with the bottom end of the main supportingrod, the movable sleeve ring is in nested connection with the periphery of the middle of the main supporting rod, the connector is in nested connection with the periphery of the middle of the movablesleeve ring, and a connection head is tightly welded to the bottom end of the main supporting rod. Flexibility, installation performance and practicability of the connection assembly are embodied, protection performance and stability of the connection assembly are embodied, a telescopic column is adjustable to meet using requirements of users, diversity and flexibility of the connection assembly are embodied, and the connection assembly has the wide development prospect.
Owner:湖南寰宇新材料科技股份有限公司

Powder mill for producing activated carbon

ActiveCN107814386AAvoid blockingIncrease the number of dropsCarbon compoundsActivated carbonPipe fitting
The invention relates to a powder mill, and in particular relates to a powder mill for producing activated carbon. The powder mill for producing the activated carbon can efficiently crush active carbon raw materials and perform high-grade fine screening of qualified products. The powder mill for producing the activated carbon includes a crushing tank body, a storage tank, a feeding pipe fitting, afeeding part, a grinding part, a collecting tank, an inclined pipe, a filter and an air draft part; the storage box is fixedly connected with the inner side wall of the crushing tank body, the feeding pipe fitting is fixedly connected with the bottom of the storage box, the feeding part is fixedly connected with the feeding pipe fitting, the grinding part is fixedly connected with the inner sidewall of the crushing tank body, and is located directly below the feeding part; and the inclined pipe is fixedly connected with the inner side wall of the crushing tank body. The powder mill achievesthe effect of high-efficiency crushing of the activated carbon raw materials and the high-grade fine screening of the qualified products.
Owner:明光市永鑫活性炭厂

A continuous ramming source device

ActiveCN106094015BChange the shock frequencyImprove signal-to-noise ratioSeismologyTerrainIntermittent motion
The invention relates to a continuous ramming type seismic source device, which is mainly composed of a rack, wheels, a handrail, a heavy hammer, a connecting shaft type bottom plate, a baffle plate, a reset spring, a hinge pin, a T-shaped rod, a semicircular arc clamping groove, crank shafts, a big gear, a small gear, a worm wheel, a worm, a three-phase asynchronous motor and a counter weight, and is characterized in that the middle part of the heavy hammer is provided with a center hole, and the heavy hammer is fixed on the connecting shaft type bottom plate through the baffle plate; the connecting shaft bottom plate is connected with the T-shaped rod through the hinge pin; the T-shaped rod and the semicircular arc clamping groove fixed on the crank shafts form an intermittent motion mechanism; the whole device is fixed on the rack equipped with the handrail and the wheels; and the three-phase asynchronous motor drives the two crank shafts, which are arranged in a left-right symmetric manner and are fixedly connected to the semicircular arc clamping groove, to rotate. The continuous ramming type seismic source device enables the heavy hammer to ram the ground continuously so as to generate continuous controllable pulse signals, and has the advantages of high impact efficiency, adjustable interval, accurate impact force and time-delay-free output signal; and the continuous ramming type seismic source device is small in size, simple in structure, convenient to transport and transfer, and applicable to a complex terrain where field large-scale seismic source equipment cannot operate.
Owner:SOUTHWEST PETROLEUM UNIV

Assembled heating radiator for heat supply engineering and assembling method thereof

The invention discloses an assembled heating radiator for heat supply engineering and an assembling method thereof, and relates to a heating radiator and an assembling method thereof. Right-angled elbows are welded to the upper ends and the lower ends of heating single pipes, the two right-angled elbows on each heating single pipe are opposite in the left-right direction, protective vertical plates are arranged in front of and behind the heating single pipes, the multiple heating single pipes are arranged alternately, the right-angled elbows of every two adjacent heating single pipes are oppositely arranged, and a center connecting pipe is inserted between two corresponding right-angled elbows and is formed by screwing and fixing two round pipe threads; and clamping rings are further fixedto the right-angled elbows, slopes are arranged on the outer circumferential faces of the clamping rings, every two clamping rings are connected through a bend connecting piece, each right-angled elbow is sleeved with a lantern ring, a screw connector is fixed to each lantern ring, two screw connectors are connected and positioned through a threaded connecting pipe, and four installation positioning pieces are arranged on two of the protection vertical plates. A manner that the plurality of heating single pipes are assembled and connected is adopted, so that the overall width of the heating radiator is convenient to adjust, and the heating radiator is more reasonable and practical.
Owner:HEILONGJIANG COLLEGE OF CONSTR

Transmission method of TA in wireless communication, electronic equipment and storage medium

The invention discloses a TA transmission method in wireless communication, electronic equipment and a storage medium, and relates to the technical field of wireless communication. The transmission method comprises the steps that after TA measurement and calculation are completed, when the base station prepares to issue TA adjustment amount to the user terminal, whether pdsch data transmission exists between the base station and the user terminal or not is judged, if yes, the base station issues the TA adjustment amount to the user terminal along with the pdsch data, otherwise, a TA issuing time window is set, and it is judged that the TA adjustment amount is within the TA issuing time window; whether pdsch data transmission exists between the base station and the user terminal or not is judged, if yes, the base station issues the TA adjustment amount to the user terminal along with the pdsch data, and if not, the base station independently issues the TA adjustment amount to the user terminal. According to the invention, the TA issuing time window is set, and when the TA is sent along with the pdsch data, pdsch and pdsch resources are saved, so that the spectrum utilization rate of the base station is improved.
Owner:四川创智联恒科技有限公司

Fin field effect transistor structure and manufacturing method thereof

The invention provides a fin field effect transistor structure and a manufacturing method thereof. The manufacturing method for the fin field effect transistor structure comprises the steps of: forming an initial groove in a substrate through photoetching and etching; epitaxially growing a U-shaped film laminated structure at least having a first material layer and a second material layer spaced from each other in the initial groove; filling a recessed part of the U-shaped film laminated structure with a third material; etching the third material and the silicon U-shaped film laminated structure to expose the substrate; and further etching the substrate and the second material layer to expose a fin-shaped structure formed by the first material layer.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP

Screw distributing device

The invention discloses a screw distributing device which comprises a rack, a screw conveying rail, a rotating seat and a driving mechanism. The front end of the screw conveying rail is fixed to the rack, the rear end of the screw conveying rail is used for being connected with a discharging port of the vibration feeding disc, the rotating base is rotatably installed on the rack, and a plurality of screw temporary storage channels which are evenly distributed in the circumferential direction are arranged in the rotating base. A detection device, a screw pressing mechanism and a first pushing mechanism are installed on the rack, the detection device is used for being triggered by a first screw located at the front end of the screw conveying track, and the screw pressing mechanism is used for pressing a second screw located at the front end of the screw conveying track; a discharging pipeline and a second pushing mechanism are fixed to the rack, the second pushing mechanism is used for pushing the screws located in the screw temporary storage channel into the discharging pipeline, and the driving mechanism is used for driving the rotating base to intermittently rotate; according to the screw distributing device, the situation that screws are clamped in the screw distributing device can be avoided.
Owner:宁波德亦宝包装机械有限公司
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