38results about How to "Easy to control separately" patented technology

The invention discloses an intelligent port logistics system and device based on a third-generation (3G) internet of things application platform and relates to collection and distribution, transit shipment, storage, trading, processing, ports, multimodal transport, cargo agency and device dispatching management of port cargoes. The intelligent port logistics system and device comprises a port logistics system and device and is characterized in that the 3G technology and the internet of things technology are integrated into the port logistics system and device to form the intelligent port logistics system and device. The intelligent port logistics system and device is provided with a real-time remote data collection processing system, a monitoring system and an operation system and device, and improves operation efficiencies in links of port logistics operation, transport service, port management, the port logistics system and device and the like. The intelligent port logistics system has individuality identification and data sharing functions due to internet of things chips arranged on the port logistics device and cargoes, can achieve mutual connection of things, achieves remote control and reduces port logistics cost, and a modern port logistics system which is real-time, accurate, efficient and high-quality in the port service range can be built in future.

The invention relates to a low-floor gate-type wheel-side motor rear axle for an electric bus. The low-floor gate-type wheel-side motor rear axle comprises an axle shell, a motor, a first-stage speed reducer, a second-stage speed reducer, a brake and a wheel hub, wherein the front end of a shell of the first-stage speed reducer is connected with the axle shell; a stator of the motor is fixed in the front end of the shell of the first-stage speed reducer; a rotor is connected with the output shaft of the motor to drive the output shaft of the motor to rotate; the output shaft of the motor is parallel to the axial direction of the wheel hub; the first-stage speed reduction is transmission of a cylindrical bevel gear pair, and second-stage speed reduction is transmission of a cylindrical gear planet system; the brake is arranged outside the shell of the first-stage speed reducer and used for braking the wheel hub; and the motor, the first-stage speed reducer, the second-stage speed reducer, the brake and the wheel hub are symmetrically arranged on the left side and the right side of the axle shell. A wheel-side driving axle motor of the electric bus is integrated in the axle shell; a power transmission direction is parallel to the axial direction of the wheel hub, namely a wheel; and the low-floor gate-type wheel-side motor rear axle has a rational and compact structural design and high transmission efficiency.

The invention discloses an electric vehicle charging station based on electricity generation by reforming hydrogen production fuel cells. The electric vehicle charging station includes a total storagedevice, a centralized liquid supply system and a plurality of fuel cell electricity generation systems. The total storage device is used for storing hydrogen-containing fuel in the charging station,and the centralized liquid supply system is used for conveying the hydrogen-containing fuel stored by the total storage device to a hydrogen production system to produce hydrogen. Each fuel cell electricity generation system includes a fuel cell generator set and an electric vehicle charging pile. The fuel cell generator sets use the hydrogen produced by the hydrogen production system to perform electrochemical reactions to generate electricity, and the electric vehicle charging piles store generated electric energy which is used for charging electric vehicles. Through layout of the charging station which use hydrogen compounds as raw materials and use the fuel cell generator sets to generate the electricity, charging for the battery-based home electric vehicles without the need to re-laya dedicated transmission network in a large area is realized, and initial investment costs and construction time are saved; and the problem of inconvenient charging during long-distance travel of theelectric vehicles is solved.

The invention relates to a hollow fibrous membrane reactor integrating a gas distribution function and an enzyme catalysis function and an application method of the reactor. A hollow fibrous membrane is used as a gas distributor, the hollow fibrous membrane for distributing the gas and a hollow fibrous membrane of an immobilized enzyme are assembled into a same component, the bottom end of the membrane component and the bottom ends of all fibrous membranes in the component are sealed, the top end of the membrane component and the top end of the hollow fibrous membrane of the immobilized enzyme are sealed, and the top end of the hollow fibrous membrane for distributing the gas is open and is used for introducing CO2 gas; the hollow fibrous membrane reactor is applied to a formate dehydrogenase (FDH) catalytic CO2 methanoic acid synthetic system, by controlling the upstream gas rate, the number of the hollow fibrous membrane for distributing the gas and the micro-structural parameters of the membrane, the quantity and the size of bubbles, the retention time and space distribution in a solution can be adjusted, so that the gas-liquid contact time and the gas-liquid contact area can be increased, the liquid phase can be effectively disturbed, the rapid and efficient dispersion and mixing between the gas phase and the liquid phase and inside the liquid phase can be realized, and the mass transfer effect can be improved.

The invention discloses a magnetic bead driving method and apparatus allowing cells to do rectilinear motion in a micro-fluidic chip. According to the invention, the cross section of a micro-fluidic channel is an inverted isosceles triangle with a downward vertex; a micro magnetic pole array formed by a plurality of micro magnetic poles and composed of a front column, a middle column and a back column is arranged between a pedestal and the micro-fluidic channel; each micro magnetic pole is composed of a magnetic needle, an electromagnetic iron core and a spiral coil; the center of the top of each electromagnetic iron core is fixedly connected with the lower end of one magnetic needle, and the upper end of each magnetic needle is upwardly inserted into the micro-fluidic channel from the vertex of the inverted isosceles triangle all the upper ends of the magnetic needles inserted into the micro-fluidic channel are located in a same linear extending from left to right; and the on and off states of the spiral coils are optionally controlled via a one-chip microcomputer, so linear arraying, oriented movement and speed regulation of magnetic beads are realized. The magnetic bead driving method and apparatus are not influenced by properties like fluid concentration, a pH value and a dielectric constant, can prevent damage of cells and are beneficial for maintaining activity of cells.

The invention relates to a hyperbranched water-soluble conjugated polymer and a preparation method thereof, wherein a hyperbranched reaction method of A2+A2'+B3 is adopted for the polymer, and aromatic structure units such as intermediate tribromobenzene and derivatives thereof are taken as the core (B3) of the hyperbranched polymer to carry out organic metal catalytic reaction with monomers (A2 and A2') containing phenyl, 9, 9-bireplacing fluorenyl and other aromatic structures, so as to synthesize a series of hyperbranched conjugated polymers containing water soluble groups in the side chain.. The synthesizing method is simple, furthermore, the cores of the polymers, a connecting group and the hydrophilic side chains of the polymers can be controlled respectively, so as to obtain the hyperbranched water-soluble conjugated polymers having different spatial structures. The polymer is a fluorescent sensing material having high sensitivity and can make up the deficiency that the detection sensitivity is reduced as fluorescent extinguishes automatically due to easy gathering of the conventional linear water-soluble conjugated polymer in water; furthermore, the branched structure is beneficial for sufficient interaction with biomolecules to be detected; therefore, the hyperbranched water-soluble conjugated polymer and the preparation method are expected to be well applied in chemical/biological sensing.

The invention discloses an automatic dryer of welding rod, which is characterized by the following: comprising a furnace body with metal frame; arranging delivery track in the heating cavity of the furnace body; transferring welding rod with the delivery track; constructing the metal frame with the inner layer frame and the outer layer frame; connecting the inner layer frame and the outer frame through separated metal connecting bridge; filling fire resistive and heat insulating material in the metal frame. This invention possesses small heat loss and convenient assembling.

The invention relates to a cascading multi-level static synchronous compensator and a control method. The cascading multi-level static synchronous compensator is technically characterized by comprising a main circuit module, a detecting module, a DSP control module and an IGBT driving module; the input end of the detecting module is connected with the output end of the main circuit module and used for collecting three-phase voltage, current and phase signals of a network system. The output end of the detecting module is connected with the input end of the DSP control module. The output end of the DSP control module is connected with the input end of the IGBT driving module. The output end of the IGBT driving module is connected with the input end of the main circuit module. A cascading multi-level inverter suitable for the high-capacity static synchronous compensator is adopted as the main circuit structure, the flexible linear active-disturbance-rejection control technology is utilized for acquiring a high-precision control effect, the rapidity and robustness of a system are greatly improved, the reactive compensation response speed of the system is increased to the maximum degree, and electric energy quality is guaranteed.

The invention relates to the livestock breeding field and discloses a building type animal house. The building type animal house comprises multiple floors including a composting room, a cultivation room, a nursery room, a delivery room and a hybridization and gestation room, wherein cultivation breeding rails are arranged in the cultivation room, nursery breeding rails are arranged in the nurseryroom, delivery beds are arranged in the delivery room, and hybridization and gestation breeding rails are arranged in the hybridization and gestation room; and slatted floors are paved on the floors of the cultivation room, the nursery room, the delivery room and the hybridization and gestation room, and the slatted floors in the nursery room and the delivery room are flexible floors. According tothe building type animal house, the problems that an animal house is low in design integration level during the existing animal breeding and is provided with few breeding devices and piglets are easily injured are solved.

The straw granulator comprises a shell, the top of the shell communicates with a feeding frame, an adjusting mechanism is fixedly connected to the position, close to the feeding frame, of the inner wall of the shell, the bottom of the shell communicates with a bottom frame, a material taking opening is formed in the outer side of the bottom frame, and rolling wheels are evenly installed on the side, away from the shell, of the bottom frame; an extrusion plate is installed on the inner wall of the shell, extrusion discharging holes are evenly formed in the surface of the extrusion plate, a driving motor is installed at the bottom of the extrusion plate, the output end of the driving motor is rotationally connected with a rotating rod, and the end, away from the driving motor, of the rotating rod penetrates through the extrusion plate and is fixedly connected with a grinding roller; the invention relates to the technical field of granulation. According to the straw granulator, it can be guaranteed that the distance between the upper surface of materials in the storage frame and the extrusion discharging hole is kept unchanged all the time, the fall of the materials falling from the interior of the extrusion discharging hole is kept unchanged all the time, and the situation that the fall of the materials is large when the materials fall, and consequently the materials fall off is avoided.

The invention discloses an MOS transistor and a manufacturing process thereof. The MOS transistor comprises an n-type channel, wherein the top surface of the n-type channel is fixedly connected with aV-shaped groove, the left side and the right side of the n-type channel are each provided with an N+ diffusion source region, the bottom of each N+ diffusion source region is connected with a p-channel body region, the bottom of each p-channel body region is connected with an N- drift region, and the bottom of each N- drift region is connected with an N+ substrate. The method comprises the following steps: S1, cutting a prepared substrate original silicon wafer into a circular sheet-shaped structure. The limit voltage of the device is effectively improved, the effect of conveniently reducingthe gate capacitance is achieved, the overall packaging density of the chip is effectively improved, the voltage endurance capacity of the device is improved, the purity of the transistor is effectively improved, and the purpose of conveniently and separately controlling the technology of each link is achieved; the effect of conveniently refining the transistor is achieved, the transistor manufacturing process quality is effectively improved, and the electrical property of a finished transistor device is improved.