510 results about "Hybrid device" patented technology

Devices are provided with an internal dimension that can be reduced and increased in vivo. In one example, an interatrial shunt for placement at an atrial septum of a patient's heart includes a body. The body includes first and second regions coupled in fluid communication by a neck region. The body includes a shape-memory material. The body defines a passageway through the neck region for blood to flow between a first atrium and a second atrium. The first and second regions are superelastic at body temperature, and the neck region is malleable at body temperature. A flow area of the passageway through the neck region may be adjusted in vivo.

The invention relates to the technical field of packaging film production, and discloses a production process of a three-layer co-extrusion FFS (fringe field switching) heavy coating film, which comprises the following steps: S1, selecting proper raw materials including an outer layer material, an inner layer material and a middle layer material; s2, drying the selected raw materials respectively to ensure that the moisture content is lower than 0.1%; s3, uniformly mixing different materials and additives through premixing equipment; s4, feeding the three materials into co-extrusion equipment, simultaneously extruding melt materials of different layers through a co-extrusion machine, and forming a multi-layer film structure through a die head; and S5, controlling the temperature and the flow speed at the die head to ensure the fluidity and the pressure distribution uniformity of the material melt of each layer. Through a dynamic stretching device, a pressure feedback control system, an optimized die head design and an intelligent control system, uniform film bubble expansion, accurate film thickness control and improvement of film quality stability are realized, the production efficiency and automation are improved, and the consistency and overall performance of film quality are remarkably improved.

The invention relates to the technical field of feed processing equipment, and provides feed premixing equipment and a mixing method.The equipment comprises a mixing tank, a mechanical stirring assembly arranged in the mixing tank, an airflow pulse assembly arranged on the wall of the mixing tank and an ultrasonic vibration assembly coupled to the mixing tank; the equipment further comprises a mixing strategy optimization system and a set of data acquisition system; the data acquisition system is used for acquiring the torque, image, temperature, humidity and uniformity information of the material in real time and sending the information to the mixing strategy optimization system; the mixing strategy optimization system analyzes the material state in real time according to the collected data, and dynamically matches and optimizes the combined mode and process parameters of mechanical stirring, airflow pulse and ultrasonic vibration. According to the technical scheme, the technical problems that in the prior art, due to the fact that a single mechanical stirring and open-loop control mode is adopted, the mixing uniformity is low, heat-sensitive active ingredients are prone to damage, and the product quality consistency is poor are solved.

Devices are provided with an internal dimension that can be reduced and increased in vivo. In one example, an interatrial shunt for placement at an atrial septum of a patient's heart includes a body. The body includes first and second regions coupled in fluid communication by a neck region. The body includes a shape-memory material. The body defines a passageway through the neck region for blood to flow between a first atrium and a second atrium. The first and second regions are superelastic at body temperature, and the neck region is malleable at body temperature. A flow area of the passageway through the neck region may be adjusted in vivo.

The invention discloses a multi-tube parallel power device phase shift type current sharing and crosstalk suppression drive circuit which is composed of a crosstalk suppression unit, a current balancing unit, a control response unit and a function switching unit. Wherein the crosstalk suppression unit generates a control signal for suppressing the crosstalk voltage of the parallel power device and shields the interference of the current balancing unit; the current balancing unit generates a control signal for balancing the dynamic current of the parallel power device and shields the interference of the crosstalk suppression unit; the control response unit is used for realizing crosstalk active clamping or current active equalization; and the mode switching unit realizes automatic switching of a crosstalk suppression function or a current equalization function according to configuration. Parallel device grid driving signal feedback is introduced, crosstalk voltage active clamping and dynamic current active balancing are achieved through a logic circuit, and the parallel expansibility is high; an exclusive-OR gate is adopted to accurately identify synchronous or asynchronous information of driving signals of the parallel devices, and various different gate sequential modes in parallel application of the hybrid devices can be compatible.

The invention belongs to the technical field of mixing equipment, and particularly relates to a non-intrusive homogenizer operation process abnormity monitoring method and system, and the method comprises the steps: calculating the mechanical angular acceleration according to the real-time rotating speed of a motor shaft end; on the basis of a pre-constructed inverse dynamic model, according to the motor orthogonal axis current, the motor shaft end real-time rotating speed and the mechanical angular acceleration, a rheological resistance characteristic index is calculated; processing the rheological resistance characteristic index by using a singular spectrum analysis algorithm, and extracting a trend line of the rheological resistance characteristic index through construction of a trajectory matrix, singular value decomposition and diagonal averaging operation; the information entropy of the first-order difference sequence of the trend line is calculated to serve as the mixing stability entropy, and the mixing end point of the operation process of the homogenizer is judged according to the convergence condition of the mixing stability entropy relative to the reference entropy, so that anomaly monitoring of the operation process of the non-intrusive homogenizer is achieved. According to the invention, abnormity monitoring and end point determination of the mixing process of the homogenizer are realized.

The production line comprises mixing equipment, granulation equipment, drying equipment and screening equipment which are connected in sequence, the mixing equipment comprises a barrel, the barrel is provided with a discharging port and a plurality of feeding ports, a stirring device is arranged in the barrel, and the screening equipment comprises a base, a driving device, a screening device and a drawing device. The screening device is mounted on the base and is driven by the driving device to vibrate, the screening device comprises a box body and a plurality of screens which are mounted in the box body and are distributed up and down and have different pore diameters, an inlet and an air outlet are formed in the top of the box body, a slag discharging opening is formed in the bottom of the box body, and discharging openings corresponding to the corresponding screens are formed in the side wall of the box body; a filtering device is arranged at the air outlet; and the drawing device is respectively connected with the air outlet of the box body and the air inlet of the barrel body. According to the production line for manufacturing the pottery particles from the fly ash, screening separation and cooling of the pottery particles from the fly ash are carried out at the same time, meanwhile, the material mixing uniformity can be improved, and the product quality is improved.

The invention discloses a heterogeneous device hybrid ANPC converter junction temperature equalization method. The method comprises the following steps: S1, optimizing junction temperatures among ANPC devices; s2, if the maximum junction temperature appears in the hybrid device, entering S3; s3, optimizing the internal junction temperature of the hybrid device; the PWM rotation strategy of the ANPC converter and the hybrid device switch time sequence switching strategy are combined, the junction temperature between devices is relatively balanced by adjusting the switch loss distribution of the converter, the power output capacity of the converter is improved, and it is guaranteed that the converter can operate safely and reliably under different working conditions.

The invention provides an intelligent power module and a power electronic device, which are used for avoiding the problems of reliability and complexity of the existing intelligent power module through an IPM (Intelligent Power Module) which takes a hybrid device consisting of a normally open MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) and a low-voltage silicon MOSFET as a core power unit. The intelligent power module comprises at least one power unit, and the power unit comprises a normally open MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) and a low-voltage silicon MOSFET; the drain electrode of the low-voltage silicon MOSFET is electrically connected with the source electrode of the normally open type MOSFET; and the source electrode of the low-voltage silicon MOSFET is electrically connected with the grid electrode of the normally open MOSFET.

The invention discloses a raw material mixing dynamic adjusting system and method for preparing a chemical reagent, and relates to the technical field of chemical reagent production. Comprising a data acquisition module, a mixing monitoring module, a monitoring analysis module and a real-time adjustment module, wherein the data acquisition module is used for acquiring the content uniformity of a finished chemical reagent mixed by mixing equipment last time, and comparing the content uniformity with a preset standard threshold value; if yes, extracting the last working data of the mixing equipment as a mixing scheme, and extracting mixing space environment data in the mixing process of the mixing equipment as a comparison scheme; the technical key points are as follows: the previous mixing effect is analyzed during use, the previous mixing effect is judged, when the previous mixing effect meets the standard, the previous data are continuously used, and if the previous mixing effect does not meet the standard, the existing constant mixing parameter setting mode is adjusted and modified, so that the mixing effect can be known in advance, and the mixing efficiency is improved. Corresponding personnel can conveniently manage, and the use effect is good.

The invention relates to the technical field of flux-cored wires, and discloses a high-rust-resistance flux-cored wire preparation method which comprises the following steps of S1, raw material pretreatment, S2, powder adding and forming, S3, surface modification and S4, finished product inspection. Before work is started, a worker prepares raw materials including high-carbon ferrochrome, tungsten carbide, boron carbide, rare-earth metal oxide and ferromolybdenum powder, then grinding equipment is used for grinding the raw materials, then the ground powder is dried for 2-3 hours through equipment at the temperature of 100-150 DEG C, the dryness of the raw materials is guaranteed, and the raw materials are evenly mixed. The method comprises the following steps: firstly, preparing a flux-cored wire, then uniformly stirring by utilizing three-dimensional mixing equipment, and then mixing and proportioning according to different proportions according to a corrosion-resistant flux-cored wire, an acid-base-resistant flux-cored wire and a high-hardness high-temperature-resistant flux-cored wire, so that the welding wires with corresponding properties can be conveniently used according to different environments, and the maximization of the functionality of the welding wire is improved.

The invention discloses a lead bonding method for a vacuum solid hybrid device similar to 3D laminated packaging, and the method comprises the following steps: S1, dividing all leads with the same height difference between a chip bonding pad and a pin bonding pad into the same group of leads according to the definition of electrical connection; s2, the high point position of each group of lead bonding is defined as a chip bonding pad and is a first lead bonding point, and the low point position of each group of lead bonding is defined as a pin bonding pad and is a second lead bonding point; and S3, the bonding mode of each lead is as follows: after a convex section is arranged from the first welding point, a first folding point (K1) is formed, then the convex section is connected with the concave section and is connected with a reverse section, the reverse section is connected with a second folding point (K2), and a platform section opposite to the first welding point is arranged behind the second folding point (K2). According to the method, the bonding efficiency can be improved, the reliability of the bonding wire is ensured, and the performance stability of the device is improved.

The invention discloses a Si / SiC hybrid device switch control method based on load current range interval division. The method comprises the steps that the maximum bearable pulse current of a SiC MOSFET and the load current range of a hybrid device are acquired; dividing the load current range of the hybrid device into intervals E, F, G and H; wherein 0 < = E < the first current value; the first current value < = F < = the second current value; g is larger than the second current value and smaller than the maximum bearable pulse current of the SiC MOSFET; the maximum bearable pulse current H of the SiC MOSFET is greater than or equal to the maximum value of the load current range and less than the maximum value of the load current range; and when the load current of the hybrid device is in the intervals E, F, G and H, making the hybrid device work in a preset mode. The invention also discloses a Si / SiC hybrid device switch control system based on load current range interval division.

The utility model belongs to the technical field of gas mixing, and particularly relates to gas mixing equipment which comprises a shell, and a cleaning and mixing mechanism is arranged in the shell. Through the arrangement of the cleaning and mixing mechanism, the effects of filtering gas, conveniently cleaning impurities on the filter plate and increasing the mixing area can be achieved, in the using process, the situation that the mixed gas is not pure due to the fact that the gas cannot be filtered can be avoided, the mixing effect of the equipment is guaranteed, and the service life of the equipment is prolonged. The situation that the filter plate cannot be normally used or the filtering efficiency is low due to the fact that impurities on the filter plate are accumulated and blocked due to the fact that the impurities on the filter plate are not cleaned for a long time is also avoided, the practicability of the equipment is ensured, and the situation that the mixing area of gas cannot be increased and the filtering efficiency is reduced is also avoided. And therefore, the mixing area of the equipment is ensured.

The utility model discloses ultrasonic mixing equipment capable of uniformly mixing, which belongs to the technical field of ultrasonic mixing equipment and is characterized in that a feeding component is arranged on the right side of an equipment main body, and a vibration mixing mechanism for mixing samples to be tested is mounted at the rear end of the equipment main body; the vibration mixing mechanism comprises a support frame, a double-head synchronous cylinder, an ultrasonic vibration rod, a pressing rod and a through hole. By means of the mode, the function of conveniently feeding a large number of to-be-tested samples is achieved, the complexity of manual feeding is omitted, all the to-be-tested samples are continuously mixed through the ultrasonic vibration rod, and the phenomenon that when the multiple to-be-tested samples are mixed together, the to-be-tested samples are evenly mixed is avoided. And the phenomenon of omission or incapability of uniformly mixing is generated.

The invention relates to the technical field of mixing equipment, and discloses a mixing preparation device and method for a plant growth regulator containing a silicon element. The mixing preparation device of the silicon-containing plant growth regulator comprises a stirring main kettle, an online monitoring unit, a solid-liquid separation unit and a control unit, the stirring main kettle is used for carrying out a liquid-phase chemical reaction and separating out a solid product in situ, and is provided with a stirring piece; and the on-line monitoring unit is used for acquiring a reaction process signal and a crystallization state signal in the main stirring kettle in real time. The online monitoring unit, the solid-liquid separation unit and the control unit are arranged and cooperatively used, dynamic optimization management of the reaction crystallization process is achieved, the solid-liquid separation unit moves out crystals in time and circularly supplements materials, the problem that the crystals are secondarily wrapped is solved, meanwhile, reaction balance is pushed to move rightwards, and the reaction efficiency is improved. The conversion rate and the yield are improved.

The invention provides a novel driving circuit for a heterogeneous hybrid device, and the circuit comprises an upper computer, a field programmable gate array, a SiC MOSFET driving voltage control module, a Si IGBT driving voltage control module, a power module, a first driving positive voltage generation circuit, and a first driving negative voltage generation circuit. The system comprises a first driving positive voltage generation circuit, a first driving negative voltage generation circuit, a second driving positive voltage generation circuit, a second driving negative voltage generation circuit, a switch time sequence switching module, a SiC MOSFET driving chip, a Si IGBT driving chip, a SiC MOSFET switching tube and a Si IGBT switching tube. The novel driving circuit for the heterogeneous hybrid device provided by the invention has the functions of switching multiple switch time sequences and switching multi-stage driving voltage, and can meet the requirements in different application scenes.

The invention provides a tunnel deformation real-time automatic monitoring device and system, and relates to the technical field of video monitoring and image data process.The tunnel deformation real-time automatic monitoring device comprises a monitoring mixing device and a monitoring processing system.The monitoring mixing device comprises a deformation sensing platform, a data efficient transmission module and an inspection moving frame; the tunnel deformation real-time automatic monitoring device comprises a deformation sensing platform, the deformation sensing platform is composed of a stainless steel frame and a sensor array, the sensor array comprises a photonic crystal sensor, a flexible piezoelectric film and thermal conductive fibers, and the sensor array is embedded into the inner wall of a tunnel lining through expansion bolts. The problems that a traditional tunnel monitoring system is insufficient in fixed sensor coverage, limited in data fusion capability, lack of dynamic adjustment and insufficient in closed-loop feedback in a complex environment are solved.

The invention relates to a chip packaging method, a packaging structure and a photoelectric hybrid device, and the chip packaging method comprises the steps: providing a single packaging body, the single packaging body comprises a first chip and a second chip, the first chip comprises a switching chip or a computing chip, the second chip is an electric signal processing chip, and the first chip and the second chip are electrically connected with each other; the first chip is connected to the second chip through a fan-out package; a photonic integrated circuit chip is provided and electrically connected with the single package, and such that the photonic integrated circuit chip is electrically connected to the first chip via the second chip.

The application discloses a multi-target scheduling method of a photovoltaic energy storage hybrid device and relates to the technical field of new energy energy storage. The method comprises the following steps: monitoring the irradiance fluctuation characteristics of a photovoltaic power generation area in real time to lock the fluctuation risk; in response to a risk trigger signal, calculating the internal concentration polarization voltage of a battery in real time and quantifying the polarization approximation degree; based on the polarization approximation degree, using a gradual barrier model with nonlinear growth characteristics to calculate the length of the forced static period; and finally generating a pulse power instruction sequence composed of working pulses and forced static periods alternately. The application inserts a physical static time window when the micro electrochemical boundary approaches a critical point, uses the spontaneous diffusion of ions to eliminate accumulated concentration polarization, thereby meeting the rigid power support demand of the power grid while avoiding triggering the overvoltage protection of the battery, and realizing high-fidelity execution of the scheduling instruction.

The utility model discloses grid membrane production raw material mixing equipment, which belongs to the technical field of grid membrane production and comprises a mixing barrel, the upper surface of the mixing barrel is fixedly connected with a feeding seat and a supporting column, one end of the supporting column is fixedly connected with a mounting plate, and the lower surface of the mounting plate is fixedly connected with a hydraulic rod. The output end of the hydraulic rod is fixedly connected with a pressing plate, the lower surface of the pressing plate is fixedly connected with a sealing cover, and the upper surface of the sealing cover is fixedly connected with an air extractor. The hydraulic rod extends to push the pressing plate downwards, so that the feeding seat is sealed by the sealing cover, then the air exhauster exhausts air in the mixing barrel through the air exhaust pipe, the interior of the mixing barrel is in a negative pressure state, under the condition of negative pressure stirring, due to reduction of oxygen in a stirring environment, oxidation reaction can be avoided, and the service life of the mixing barrel is prolonged. And the efficiency of the chemical reaction is improved.

The present application relates to a kind of feeding protection system with feeding mixing function and its feeding method, including mobile platform, mobile platform is provided with the mixing mechanism for feeding mixing, mobile platform is also provided with airflow mill mechanism, mixing mechanism is connected with the air flow mill mechanism between discharging conduit, the present application overcomes the deficiencies of prior art, provide a kind of feeding protection system with feeding mixing function and its feeding method, when directly through pipeline between feeding mixing equipment and pulverizing equipment material conveying, it is extremely easy to cause the blockage of material, and cannot accurately control the amount of mixed material conveying to pulverize, it can cause material backlog and blockage, seriously affect the efficiency of production, while part of material is shorter in airflow mill and is not collided and pulverized into smaller particles when directly being discharged to carry out next step production, affect the quality of product problem.

Semiconductor-superconductor hybrid devices with a horizontally-confined channel and methods of forming the same are described. An example semiconductor-superconductor hybrid device includes a semiconductor heterostructure formed over a substrate. The semiconductor-superconductor hybrid device may further include a superconducting layer formed over the semiconductor heterostructure. The semiconductor-superconductor hybrid device may further include a first gate, having a first top surface, formed adjacent to a first side of the semiconductor heterostructure. The semiconductor-superconductor hybrid device may further include a second gate, having a second top surface, formed adjacent to a second side, opposite to the first side, of the semiconductor heterostructure, where each of the first top surface of the first gate and the second top surface of the second gate is offset vertically from a selected surface of the semiconductor heterostructure by a predetermined offset amount.

A light emitting diode (LED) package assembly (100) includes a substrate (102). The substrate includes a top surface, a bottom surface (122), and an opening formed through the substrate (102). The opening includes a first portion (104) proximate the top surface and a second portion (106) proximate the bottom surface (122) that is wider than the first portion (104) such that portions of the substrate (102) overhang the second portion (106) of the opening. A pad (124) is disposed on the bottom surface of the portions of the substrate (102) that overhang the second portion (106) of the opening (102). The assembly further includes a hybrid device (210) in the opening. The hybrid device (210) includes a silicon backplane (214) having a top surface, a bottom surface, and an interconnect on the top surface. The interconnect (148) is electrically coupled to the pad (124). The hybrid device further includes an array of LEDs (212) on the top surface of the silicon backplane (214).

The invention relates to the technical field of transfer cylinders, in particular to a polyacrylamide processing transfer device which comprises a cylinder, a bracket is slidably connected into the cylinder, a servo motor is mounted on the surface of the bracket, a plurality of blades are fixed to a rotating shaft of the servo motor, a first cutting board is arranged at the end of each blade, and an electric telescopic rod is mounted on the surface of the bracket. One end of a piston rod of the electric telescopic rod is fixed on the inner wall of the cylinder; the polyacrylamide raw material mixing device has the beneficial effects that when the barrel is dumped and horizontally placed on the ground and is pushed to roll forwards to transfer a polyacrylamide raw material, a servo motor switch is triggered, a servo motor rotating shaft drives blades to mix the raw material in the barrel, mixing operation is completed while the raw material is transferred on site, the production efficiency is improved, and the production cost is reduced. Extra mixing equipment is not needed.

The invention relates to coating mixing equipment, and belongs to the technical field of coating mixing. The device comprises a mixing tank, a stirring shaft, a material pushing plate set, an unlocking piece, a rotating mechanism and a driving mechanism, the mixing tank comprises a tank body and a top cover, a feeding port is formed in the top cover, the stirring shaft is located in the tank body and staggered from the feeding port, and the top cover comprises a supporting ring installed at the top of the tank body and a movable part rotationally installed in the middle of the supporting ring; the feeding port is formed in the movable part, the material pushing plate set is located below the feeding port, is installed on the movable part in a sliding mode in the radial direction of the tank body and comprises a first grid plate, a second grid plate, a first elastic piece and a locking piece, the first grid plate and the second grid plate are arranged in a grid staggered mode, the unlocking piece is installed on the movable part, and the rotating mechanism is located above the top cover, is in transmission connection with the movable part and is used for driving the movable part to rotate. The driving mechanism is located above the top cover and used for driving the pushing plate set to reciprocate in the radial direction of the tank body. According to the invention, powder and liquid can be mixed more uniformly, and the quality of the prepared coating is improved.

This invention provides an ink mixing device for a packaging box printing machine, relating to the field of ink processing technology. The ink mixing device for the packaging box printing machine includes a mixing tank and a bottom tank; it also includes a drive motor, the output end of which is connected to a pressing mechanism and a reciprocating mechanism. The pressing end of the pressing mechanism is connected to a piston, which moves within a metering mechanism. An adjustment mechanism for metering is also provided on the outside of the metering mechanism. Inside the mixing tank, a stirring assembly and a scraper are provided for ink mixing. The stirring assembly and scraper are driven by the drive motor. The reciprocating end of the reciprocating mechanism is connected to a scraper ring for scraping the inner wall of the mixing tank. This invention achieves coordinated operation of metered ink delivery, efficient mixing, and automatic tank wall cleaning by simultaneously driving the pressing mechanism, stirring assembly, and reciprocating mechanism with a single drive motor, effectively reducing equipment energy consumption and structural complexity.

The utility model relates to the technical field of raw material mixing equipment, and discloses raw material mixing equipment for producing a wear-resistant shock pad, which comprises a bearing frame, a sealed sealing groove is arranged at the upper part of the bearing frame, a conical mixing barrel for mixing is arranged in the sealing groove, and an inner cavity of the conical mixing barrel is in a conical shape with a wide upper part and a narrow lower part. According to the utility model, the inner cavity is in the shape of the inverted cone, the first driving motor drives the mixing frame to rotate, raw materials move towards the periphery under the action of centrifugal force, the diameter of the conical mixing barrel is gradually reduced from top to bottom, a gradient type constraint space is formed, and the raw materials at the inner bottom of the conical mixing barrel are pushed upwards; circumferential flow driven by centrifugal force is coupled with reaction force of the wall surface, so that a spiral ascending flow state is formed, the mixing efficiency of the raw materials is improved, unmixed raw materials are not left at the bottom in the conical mixing barrel, and the mixing efficiency of the raw materials is improved.