116results about How to "Adapt to different working conditions" patented technology

The invention discloses a vehicle power transmission system and a vehicle comprising the same. The power transmission system comprises an engine unit, a transmission unit, a first electric motor generator, an output portion, a power switching device and a second electric motor generator; the transmission unit is suitable for being selectively in dynamic coupling connection with the engine unit; the first electric motor generator is in dynamic coupling connection with the transmission unit; the output portion is constructed to transmit power output from the transmission unit to front wheels and/or rear wheels of the vehicle; the power switching device is suitable for transmitting power or disconnecting power transmission between the transmission unit and the output portion; the second electric motor generator is used for driving the front wheels or the rear wheels. The power transmission system of the embodiment of the invention has three power output sources of the engine unit, the first electric motor generator and the second electric motor generator and multiple driving modes and is high in efficiency.

The invention belongs to the field of earthquake resistance, shock absorption and wind resistance technologies of engineering structure, and relates to a piston type particle damper which comprises an outer shell, a toggling wheel, particles, a piston rod, a shunt cone, a rear one-way hinge and a front one-way hinge. The toggling wheel and the particles are arranged in the outer shell. The piston rod penetrates through one end of the outer shell and is fixedly connected with the toggling wheel in the outer shell. The toggling wheel comprises a toggling ring and toggling rods, wherein the toggling rods are evenly arranged along the toggling ring in the circumferential direction, and are evenly fixed on a cylindrical surface of the end portion of the piston rod. The shunt cone is arranged on the head portion of one end, stretching into the outer shell, of the piston rod, the front one-way hinge is arranged at the other end, extending out of the outer shell, of the piston rod, and the rear one-way hinge is arranged at the other end of the outer shell. When the piston type particle damper works, the piston rod drives the toggling wheel to move front and back, and the toggling ring and the toggling rods toggle the particles to dissipate energy through collision, extrusion and friction between the particles. The piston type particle damper integrates the advantages of a displacement related type damper and a speed related type damper.

The invention belongs to the technical field of mobile source discharge testing, and provides a vehicle-mounted portable tail gas discharge measurement system based on wireless transmission. System hardware is composed of a gas-state pollutant module 1 used for measuring vehicle discharge, a fine particle module 2, an engine operation parameter measurement module 3, a speed and acceleration measurement module 4, a discharge flow measurement module 5, a data storage and transmission module 6, a near-distance communication protocol transmission module 7, a wifi transmission module 8 and an ultra -distance real-time online transmission module 9. Software is composed of host software 10, a third-party application program 11, a digital display and data calculation module 12, an ultra-distance tail gas discharge real-time monitoring platform 13 arranged in an open-source mode, and a data continuous diagnosis and processing calculation module 14. According to the system provided by the invention, a novel mobile source tail gas discharge measurement system based on an actual working condition is erected by use of a wireless technology, a far-distance real-time monitoring platform of mobile source tail gas discharge is established, acquired data can be stored, transmitted and processed in real time, and an accurate discharge result can be obtained.

The application discloses a single spindle online detection system of a spinning frame, which comprises a single spindle detection main control board, spindle speed acquisition boards and a roving feed-stopping control board; the spindle speed acquisition plates are connected with the single spindle detection main control board through a CAN bus, and each spindle speed acquisition plate is respectively hung on the CAN bus, or two or more spindle speed acquisition plates are hung on the CAN bus after being connected in series; each spindle speed acquisition board is used for acquiring a spindlerotating speed and a spun yarn state and sending a data message containing the spindle rotating speed and the spindle state to the single spindle detection main control board through the CAN bus; andthe single spindle detection main control board is used for identifying the spindle speed acquisition board sending the data message when two or more spindle speed acquisition plates are connected inseries and then are hung on the CAN bus, and sending a roving feed-stopping instruction to the roving feed-stopping control board to stop feeding the roving when the spun yarn has broken ends. The spun yarn single spindle online detection system has good working condition adaptability.

The invention relates to the technical field of automobile battery system control, and discloses a single cooling water tank new energy vehicle thermal management system. The single cooling water tanknew energy vehicle thermal management system comprises a condensation subsystem, a power assembly subsystem and a battery pack subsystem, and is controlled by a control system. The condensation subsystem comprises a cooling circuit composed of a compressor, a condenser and an evaporator, and the power assembly subsystem comprises a power circuit formed by a motor, a cooling water tank, a first water pump and a pipeline. The battery pack subsystem includes a battery pack circuit formed by a battery pack, a second water pump and a pipeline. A control valve is installed between a pipeline through which the power circuit is connected to the inlet position of the water tank and a pipeline at the outlet position of the battery pack, and the control system includes a plurality of sensors and a control module which are disposed in the system. The single cooling water tank new energy vehicle thermal management system enables new energy vehicles to switch in two cooling circuit modes to adapt to different working conditions of the vehicles.

The present invention relates to field of steam turbine, discloses a wet steam turbine pump dehumidification device, which comprises a wet steam stage stationary blade of turbine and a last stage discharge volume, the intrados and back arc surface of the stationary blade have a pump gap, the last stage discharge volume and the lumen of stationary blade are communicated by a honeycomb duct, when the steam turbine starts to work, the pump gap inlet and the last stage discharge volume produce positive pressure differential, fluid in intrados and back arc surface of stationary blade enter last discharge volume through the pump gap, the stationary blade lumen and the honeycomb duct. The device can eliminate mostly water damaged for guided vane in wet steam stage of turbine, reduce or eliminate water erosion of guided vane, prolong service life of turbine and enhance safety operation capability.

The invention discloses a heat insulating type double-walled corrugated pipe. The heat insulating type double-walled corrugated pipe comprises a double-walled corrugated pipe layer and a vacuum heat insulating plate heat-insulating layer connected with the double-walled corrugated pipe layer. A vacuum heat insulating plate used by the double-walled corrugated pipe has good heat insulation performance, and a very high heat insulation effect can be achieved only in need of thin thickness, and existing polyurethane foam heat insulation materials are replaced by the vacuum heat insulating plate, so that the thickness of the heat insulating layer is reduced, and the heat insulation effect is also improved. Two design plans adapt to different working conditions; compared with the existing polyurethane foam heat insulation materials, the heat insulating type double-walled corrugated pipe disclosed by the invention adopts prefabricated parts, so that transportation is convenient, and damage ina transportation process is avoided; and moreover, compared with the previous on-site mounting of the polyurethane foam heat insulation materials, the double-walled corrugated pipe is convenient tomount, the heat insulating layer cannot be destroyed, and the double-walled corrugated pipe can adapt to complicated working conditions on site preferably.

The invention discloses a regionalization and leveling lean combustion engine control method. According to the method, an air inlet conversion valve I, an air inlet conversion valve II, an oil sprayer I and an oil sprayer II are connected on an electronic control unit respectively. A combustion chamber is divided into a small combustion region and a large combustion region. A cylinder air inlet tube is connected onto the large combustion region and the small combustion region respectively, a cylinder air inlet tube channel dividing plate is arranged in each cylinder air inlet tube, and each cylinder air inlet tube is divided into a large air inlet channel and a small air inlet channel. By the aid of the method, the engine regionalization and leveling combustion is achieved, the engine inner combustion oil combustion efficiency is improved, exhaust waste and oil consumption of the engine are reduced, the engine can be used safely during large loads, and accordingly, the environment-friendly performance of automobiles during traveling is improved, and the usage cost is reduced.

The invention discloses a PPU high-speed picking and placing mobile manipulator. The PPU high-speed picking and placing mobile manipulator comprises a fixed back plate, a speed reducer, cam groove track plates, an X-axis guide rail assembly and a cross roller Z-axis guide rail assembly with an anti-creep function. The PPU high-speed picking and placing mobile manipulator is characterized in that track plate clamping grooves used for limiting the mounting positions of the cam groove track plates are formed in the fixed back plate, and the two cam groove track plates are embedded in the track plate clamping grooves in a cross meshing mode. The track plate clamping grooves used for limiting the mounting positions of the cam groove track plates are formed in the fixed back plate, and the two cam groove track plates are embedded in the track plate clamping grooves in the cross meshing mode, so that the stroke is convenient to install and adjust; and transition blocks between the cam groovetrack plates are omitted and changed into a cross meshing structure between the cam groove track plates, so that dislocation during stroke adjustment is reduced.

The invention discloses a zoned and layered thin combustion engine control device. The zoned and layered thin combustion engine control device comprises an electromagnetic controller, as well as a gas-in changeover valve I, a gas-in changeover valve II, an oil sprayer I and an oil sprayer II, which are respectively connected to an electronic control unit, wherein a combustion chamber is separated into a small combustion zone and a large combustion zone; cylinder gas-in pipes are respectively connected to the large combustion zone and the small combustion zone, a cylinder gas-in pipe shunting plate is arranged in each cylinder gas-in pipe, and each cylinder gas-in pipe is divided into a large gas-in pipe and a small gas-in pipe. As engine zoned and layered combustion is realized, when an automobile is at idle speed or carries small load or medium load, the combustion efficiency of fuel oil in the engine is improved, the oil consumption and the emitted exhaust gas of the engine are reduced, and the safe use of the engine during large load is ensured. Therefore, the environmental-friendly performance of the automobile during running is improved, and the use cost is reduced.

The invention relates to the field of printing equipment, in particular to a rotary workbench for printing equipment. The rotary workbench comprises a support table, a workbench, a plurality of stations and a rotating member, wherein the upper end of the rotating member can be rotated; the rotating member is vertically mounted in the support table, and the upper end of the rotating member extends out the top of the support table; the workbench is arranged above the support table and connected with the upper end of the rotating member, and the workbench is driven by the upper end of the rotating member to circumferentially rotate; the stations are respectively connected with the upper surface of the workbench through extensible members and are driven by the extensible members to move up and down on the workbench. The rotary workbench has the beneficial effects that due to a plurality of stations, the rotary workbench can rotate and vertically move, and the practicality and the universality are stronger.

The invention discloses a bucket wheel stacker-reclaimer. The bucket wheel stacker-reclaimer comprises a portal frame, a pulley, a steel wire rope, a counterweight, a counterweight arm, a counterweight driving cylinder, a base, a trundle, a circular base, a pitching mechanism, a ladder, a cockpit, a revolving mechanism, a bucket wheel, a motor frame, a slide piece, a chute, a storage leveling rod,a conveying belt, a bracket, a leveling plate and a leveling motor, wherein the bucket wheel comprises a wheel bucket, a wheel bucket frame, a spoke, a rotating handle and a rotating ring; the wheelbucket comprises a large wheel bucket, a small wheel bucket, wheel teeth and a bundle hoop; the bundle hoop comprises a main body layer and a sealing layer; the circular base is arranged on the base,and is provided with the revolving mechanism; the portal frame is arranged on the revolving mechanism; the cockpit is arranged beside the portal frame; the ladder is arranged on the bucket wheel stacker-reclaimer, and communicates to the cockpit; one end of the revolving mechanism is connected with the bracket, and the other end is connected with the counterweight arm; the counterweight is connected to the counterweight arm; the pulley is arranged at the top end of the portal frame; the steel wire rope is bypassed through the pulley, and the two ends are connected with the bracket and the counterweight arm; the pitching mechanism and the counterweight driving cylinder are symmetrically arranged on the edge of the base; the pitching mechanism is connected with the bracket; and the counterweight driving cylinder is connected with the counterweight arm.

The invention discloses a support vector machine based automatic focusing method of ultrasonic phased arrays of ring welds. The method includes: establishing a rectangular coordinate system, taking a least squares support vector regression (LSSVR) machine as the regression model and Gaussian radial basis function as the kernel function, performing training with input and output which are subjected to standardized processing, and establishing a prediction model of LSSVR initial function; taking a generalization error calculated with a k-fold cross validation method as the target function, optimizing the LSSVR initial function by adopting an optimization method combining a coupling-simulated annealing algorithm with a grid searching method to acquire an optimal hype-parameter and an LSSVR optimization model, predicting tested data to acquire the output, performing inverse normalization processing to obtain the optimal acoustic beam path plan of a corresponding partition, performing reverse solution according to the Fermat theorem to obtain time delay, and applying ultrasonic signals to perform focusing detection on ring weld defects. By the arrangement, the method has the advantages that intelligent ring weld defect detection is realized, and detection precision and efficiency are effectively improved.

The invention discloses a fishbone simulation type dry gas seal structure. The fishbone simulation type dry gas seal structure comprises a moving ring and a static ring, wherein a seal inlet is formedin the outer diameter side, namely the high-pressure side, of the moving ring, a seal inlet is formed in the outer diameter side, namely the high-pressure side, of the static ring, a seal outlet is formed in the inner diameter side, namely the low-pressure side, of the moving ring, and a seal outlet is formed in the inner diameter side, namely the low-pressure side, of the static ring. A plurality of fishbone simulation type grooves are evenly distributed on the high-pressure side of at least one end face of the moving ring in the circumferential direction, and a plurality of fishbone simulation type grooves are evenly distributed on the high-pressure side of at least one end face of the static ring in the circumferential direction. A non-hole area between every two adjacent fishbone simulation type grooves in the circumferential direction is a sealing weir 4. Annular sealing dams 8 are arranged below the fishbone simulation type grooves. The fishbone simulation type dry gas seal structure has the remarkable advantages of being high in opening capacity, high in stability, low in leakage quantity, less in sealing end face deformation and capable of carrying out two-way rotation, and the like, and thereby having broad market prospect.

The invention discloses a sectional and layered lean-burn engine cylinder cover. The sectional and layered lean-burn engine cylinder cover is connected to a cylinder on the engine. A sectional partition is arranged on the cylinder cover and divides a combustion chamber of the cylinder into a small combustion area and a large combustion area. According to the combustion chamber structure, fuel combustion efficiency of the engine is improved in the case of idling and low and middle load of the vehicle, waste gas exhausted and fuel combustion of the engine are reduced, safety utilization of the engine in the case of large load is guaranteed, and accordingly environmental performance of the vehicle is improved during driving, with lowered cost required.

The invention discloses an optical fiber preform core layer sintering equipment laser bracket reforming structure, and relates to the technical field of optical fiber preform manufacturing devices. The optical fiber preform core layer sintering equipment laser bracket reforming structure comprises a tower frame, a transmitting end and a receiving end, wherein the front face of the tower frame is fixedly connected with a fixing piece, the inner wall of the fixing piece is fixedly connected with the surfaces of round rods, the number of the round rods is two, the ends, away from the tower frame, of the two round rods are fixedly connected with the back face of a transverse rod, a driving plate is arranged on the front face of the transverse rod, and an adjusting screw rod is fixedly connected with the back face of the driving plate. By arranging the fixing piece, the round rods, the bushing, the cylinder and the mounting plate, the problems that in the prior art, when a laser bracket is mounted on a platform at present, when production personnel walk back and forth, the laser bracket shakes, the tip of the bottom of a loose body is not accurately positioned, and finally the sintered loose body cannot be completely transparent, and product waste is caused are solved.

The invention discloses an UV portable digitalized universal alarm module for flame detection. The system of the UV portable digitalized universal alarm module comprises the components of an UV lens, a lens barrel, a circuit board container, an SiC UV unit detector, a detector fixing gasket, an optical signal digital conversion circuit, an LED indicating lamp and a digital-power interface. The UV portable digitalized universal alarm module is advantageous in that fully digitalized output signal and high interference resistance are realized, and detecting precision for a UVC wave band light strength signal reaches an fw magnitude; high versatility is realized and no requirement for driving frequency lower limit of the digital SPI interface is obtained; an SiC UV photovoltaic type detector is utilized; no optical filter is required and simple optical structure is realized; small size and small weight are realized, and furthermore high convenience in replacing and assembling of each component is realized; low power consumption is obtained and the UV portable digitalized universal alarm module can be powered by a battery; the LED can be used as an indicating lamp for independent operation, and the UV portable digitalized universal alarm module can be connected with a lower computer for performing real-time fire behavior monitoring; and furthermore the UV portable digitalized universal alarm module can be used as a standard for performing scaling on other flame detectors.

The invention relates to a modular submarine cable dragging tool which is composed of submarine cable dragging tool modules and module connecting plug pins. Two ends of each submarine cable dragging tool module are provided with connecting ends respectively, one connecting end is a concave connecting groove, the other connecting end is a convex connecting groove, and the concave connecting grooveand the convex connecting groove are each provided with a plug pin hole. An upper hanging ring and a lower hanging ring are arranged on the two sides of each submarine cable dragging tool module respectively, the upper hanging ring is used for being connected with a traction steel wire rope of traction equipment, and the lower hanging ring is used for being connected with a binding belt or a binding rope or a hanging rope connected with a submarine cable. When the submarine cable is subjected to mud flat traction or towing operation, the bending radius of the submarine cable in a towed area can be limited, and the effect of protecting the submarine cable at the position is achieved. The submarine cable dragging tool can be disassembled into independent modules, transportation and carryingon a mud flat are facilitated, the overall length of the dragging tool can be adjusted by increasing or decreasing the number of the modules according to construction requirements, and the dragging tool adapts to different working conditions.