105results about How to "Meet high speed requirements" patented technology

The invention discloses a labeling method for a label without backing paper and a labeling machine for a label without backing paper. The labeling method comprises the following steps of: gluing the bottom surface of a label without backing paper by using a primer spreading device; cutting off the glued label without backing paper by using a dynamic wheel rotary single-piece cutting-off mechanismarranged behind a label without backing paper trademark traction machine; feeding the cut label below a label pressing-in roller arranged behind the dynamic wheel rotary single-piece cutting-off mechanism by using the dynamic wheel rotary single-piece cutting-off mechanism;and attaching the label to the surface of an attached article by using the label pressing-in roller. According to the labeling machine for the label without backing paper disclosed by the invention, because a label transfer mechanism for transferring the separated label in the traditional labeling machine is omitted, the label directly enters between the attached article and the label pressing-in roller by directly utilizing the inertia trend of the label separated from the label without backing paper at a steering roller and is attached to the attached article by using the label pressing-in roller. Therefore, the invention has the advantages of simple structure and low fault rate and provides possibility for practicability of the labeling machine for the label without backing paper.

A position adjusting device (10) is used to adjust the position of a load through rotation. The position adjusting device (10) comprises a first supporting member (11); a horizontal axis motor (12), which is arranged on the first supporting member (11); a second supporting member (13), which is rotatingly arranged on the first supporting member (11) through the horizontal axis motor (12); and a pitch axis motor (14), which is arranged on the second supporting member (13) and is used to drive the load to rotate. The horizontal axis motor (12) is used to drive the second supporting member (13) to rotate around the horizontal axis, and the pitch axis motor (14) is used to drive the load to move along the pitch axis. The invention further relates to a shooting device (100) using the provided position adjusting device and a shooting method thereof. The operation of the shooting device is simple and interesting.

A two transistor NOR flash memory cell has symmetrical source and drain structure manufactured by a NAND-based manufacturing process. The flash cell comprises a storage transistor made of a double-poly NMOS floating gate transistor and an access transistor made of a double-poly NMOS floating gate transistor, a poly1 NMOS transistor with poly1 and poly2 being shorted or a single-poly poly1 or poly2 NMOS transistor. The flash cell is programmed and erased by using a Fowler-Nordheim channel tunneling scheme. A NAND-based flash memory device includes an array of the flash cells arranged with parallel bit lines and source lines that are perpendicular to word lines. Write-row-decoder and read-row-decoder are designed for the flash memory device to provide appropriate voltages for the flash memory array in pre-program with verify, erase with verify, program and read operations in the unit of page, block, sector or chip.

The invention discloses a method for filling a nickel-based alloy in a glass die cavity with a cast iron alloy as a base matrix, belonging to the technical field of glass dies and comprising the following steps of die cavity pre-processing, preheating, treating before welding, welding, annealing and finish processing. The invention has the advantages that the cast iron alloy is taken as the base matrix of the glass die, thus the method has low cost, abundant raw materials, moderate heat conductivity, convenience for maintenance of the die and no limitation from the produced glass products; a plasma welder is adopted; a plasma arc is used as a heat source, the temperature is high and the heat is centralized, and a micro molten pool is formed on the surface of a workpiece, so that a welding layer is metallurgically bonded with a matrix, the combined strength of the welding layer is high and the welded welding layer is not easy to fall off; by using the plasma welder to operate, the automatic streamline operation can be formed, the requirement for industrial production enlargement is met, welding powder is saved, the productivity is improved and the operation strength of workers is reduced; in addition, the service life of the die can be prolonged and the requirement for high machine speed is met.

The invention discloses a configuration controller and a method and a system for configuring frequency of an LTE network home base station. The method for configuring the frequency of the LTE network home base station comprises the following steps that: the home base station performs wireless environment detection and bandwidth estimation, and reports a wireless environment detection result and abandwidth estimation result; the configuration controller generates frequency configuration information of the home base station according to the wireless environment detection result and the bandwidth estimation result; and the home base station performs frequency configuration according to the frequency configuration information. The configuration controller and the method and the system for configuring the frequency of the LTE network home base station not only can make working parameters such as the frequency, the bandwidth and the like adaptive to changes of a wireless environment of thehome base station, but also are suitable for ensuring the safety and the reliability of a mobile network because the configuration controller is used for intensively adjusting the parameters such as the working frequency, the working bandwidth and the like of each home base station in an LET network according to the wireless environment of the home base station.

The large double-acting thick plate drawing hydraulic press as one kind of hydraulic machinery consists of mainly body, platform, driving system, main cylinder, outer block edge pressing back stroke cylinder, inside block back stroke cylinder, movable bench and electric system. The movable bench consists of movable right and left benches fixed together. There are on ground oil cylinder fixing frame, connecting shaft on the frame and hinged with the ears integrally with the oil cylinder, and driving oil cylinder with piston rod connected to oil cylinder fixing frame. The main cylinder is one with double liquid filling valves, and there is block fall preventer installed onto the upper cross beam. The present invention has smooth running of the movable bench, high efficiency and other advantages.

The invention relates to a truss manipulator for loading and unloading. The truss manipulator for loading and unloading is composed of a support structure, a horizontal movement assembly, a vertical movement assembly, an automatic handgrip, and a transition connection plate between two shafts, wherein the horizontal movement assembly is fixedly installed at the top end of the support structure; the vertical movement assembly runs on the horizontal movement assembly; and the automatic handgrip is installed at the bottom end of the vertical movement assembly. According to the invention, a single-vertical-column supporting main body structure is adopted, and reinforcing ribs are designed and used for improving the strength and the rigidity of the truss main body structure; and transmission in a horizontal movement is realized in a manner of matching a V-shaped slide rail with independent gear and rack, each of the gear and the rack is provided with modulo-two oblique teeth with an accuracy class of 6, the transmission manner can greatly meet requirements on a high speed, and the transmission accuracy can be controlled to be less than 0.1mm.

The invention discloses a high-speed multi-channel parallel optical transceiver module based on BGA packaging and a testing device. The module comprises a light source assembly, a light source drivingchip, an optical receiving assembly, an amplitude limiting amplifier, a processor, a PCB, gold wires and an FA-MT optical path assembly and an external optical fiber; and the light receiving assemblycomprises a photoelectric detector and a pre-amplification circuit. The light source assembly is connected with the light source driving chip through a gold wire to convert an electric signal into anoptical signal; the optical receiving assembly is connected with the limiting amplifier through a gold wire to convert an optical signal into an electric signal; the light source assembly and the light receiving assembly are connected with external equipment through external optical fibers. The module combines the COB technology, the optical path coupling technology, the temperature compensationtechnology, the high-speed signal simulation technology and the like, and solves the problems of the digital optical module in the aspects of rate, volume, parallel transmission and the like.

The invention relates to the field of electric automobiles and in particular relates to a three-clutch three-gear speed change transmission device for changing the speed of an electric automobile and a three-clutch method thereof. The three-clutch three-gear speed change transmission device comprises a box body, wherein an input shaft and an output shaft sleeved on the input shaft are arranged in the box body; the input shaft is connected with the output shaft through a first clutch; a first middle shaft and a second middle shaft are arranged in the box body; the first middle shaft is connected with the second middle shaft through a second clutch; a third middle shaft and a fourth middle shaft are arranged in the box body; the third middle shaft is connected with the fourth middle shaft through a third clutch; and the shafts are provided with gears which have different sizes and are meshed with one another. When the second clutch is controlled to be closed, the automobile can get relatively large traction and relatively large torque at a low speed; when the first clutch is closed, a motor is in a stable running state; when the third clutch is closed, the rotating speed of the motor is increased to a designed value; and therefore, the requirement of the electric automobile on high rotating speed is met.

The invention discloses a high-speed visual positioning and double-station flexible mounting device, and mounting method thereof. The high-speed visual positioning and double-station flexible mountingdevice comprises a base, an X-axis motion module, a Y-axis motion module, a vacuum adsorption platform, a first material conveying device, a second material conveying device, a left mounting module,a right mounting module and a CCD visual positioning module; the X-axis motion module and the Y-axis motion module are arranged on the base, and the X-axis motion module can move left and right on thebase, the Y-axis motion module can move front and back on the base, the X-axis motion module and the Y-axis motion module are arranged vertically, and the Y-axis motion module is located below the X-axis motion module, the vacuum adsorption platform is fixed on the Y-axis motion module, and the left mounting module, the right mounting module and the CCD visual positioning module are arranged on the X-axis motion module. According to the device and the mounting method thereof, can effectively save the movement distance and the device space, and greatly improve the mounting speed and precisionrequirements.

The present invention relates to a production method for a recycled bottle sheet. According to the method, recovered PET bottles are pre-washed to maximally remove impurities; the PET bottles are crushed into PET particles with a particles size of 16 mm, and the impurities in the PET particles are separated; then the PET particles are subjected to treatments of secondary washing, separation rinsing, dehydration and separation, and drying in one time to obtain the required recycled bottle sheet. The method provided by the present invention has the following advantages that: the PET bottles are recovered and utilized; the recycling quality and the recycling efficiency of the PET bottles are improved; a new raw material source is provided for the production of terylene FDY.

The invention discloses a YVW original data cutting method for automatically determining the clothes armhole depth. Clothes original data of the positions of armhole circumference, shoulder breadth, chest circumference, clothes length, neck circumference, waist light height and the like are determined according to human body measured data and preset clothes styles. The lengths of an upper sectioning reference line and a lower sectioning reference line of the cut-piece armhole are determined according to the armhole circumference original data by utilizing the armhole circumference rate, the height of the armhole outer side point and the armhole depth are automatically determined through the section reference lines to direct the shape change of the circumference lines of the upper portions and the lower portions of a front armhole and a rear armhole. The YVW original data cutting method is fast and convenient in cutting, can meet the requirement of the clothes market for precision and speed of clothes transform, the cut clothes have a high body comfortable degree, and is a simple, convenient and practical armhole cutting method.

The invention discloses a permanent magnet harmonic motor, which comprises a rotor mechanism, a stator mechanism and a support mechanism, wherein a plurality of permanent magnets are arranged on the rotor mechanism; the stator mechanism is matched with the rotor mechanism; bearing components are arranged on the support mechanism; the rotor mechanism is connected with the support mechanism through the bearing components; and magnetic regulation teeth on which distributed windings are arranged are circumferentially formed at a part of the stator mechanism close to the rotor mechanism. By the design, a magnetic regulation ring structure is eliminated, so that the number of parts in the harmonic motor is decreased, the harmonic motor has a simple structure, and an assembly process is simple; and in addition, the independent magnetic regulation ring structure is eliminated, so that the weight of the whole motor is decreased, the size of the motor is reduced, reduction in the unsprung mass of an electric vehicle is facilitated, and the stability and riding comfort of the vehicle are improved.

An automatic paper feeding mechanism for multifunctional transaction appliance or scanner is composed of a paper getting module, a paper paging module and a paper running module. It has high reliability and speed.

A novel technology for controlling an M number by a second throat comprises a control device arranged on a wind tunnel body and a control method thereof. The control device arranged on the wind tunnel body comprises a left wall plate and a right wall plate both with three-sheet adjustable structures as well as an upper gate finger and a lower gate finger, wherein the upper gate finger and the lower gate finger are arranged on the left wall plate and the right wall plate. The left wall plate and the right wall plate are both the three-sheet adjustable structures; the gate fingers are respectively arranged on the left wall plate and the right wall plate and used for finely adjusting the M number, enhancing the M number control precision and making up M number variation caused by model attack angle variation. The control method comprises the following steps: first, adjusting the left wall plate and a right wall plate with the three-sheet adjustable structures to corresponding positions according to M numbers of different experiments; and then finely adjusting the M numbers of the experiment sections through telescopic moving gate fingers of a motor on the upper wall plate and the lower wall plate in the wind tunnel operation process. According to the invention, rapid adjusting response of the second throat is enhanced, the loss of the second throat is reduced, reasonable design is obtained, and requirements on higher adjusting speed and control precision are satisfied.

The invention discloses a method for spray welding of nickel base alloy powder on a surface of a glass mold puncher pin with copper alloy as a base metal substrate, and belongs to the technical field of glass mold auxiliary component processing. The method comprises the following steps: selecting a base metal substrate, selecting welding materials, carrying out surface preprocessing, carrying out spray welding, carrying out heat treatment and carrying out finish machining. According to the technical scheme, a nickel base alloy layer and the contact end of glass melt of the copper alloy substrate are made to reflect ideal metallurgical bonding effects, the glass mold puncher pin is reliably guaranteed to have excellent corrosion resistant performance, hardness and heat dispersion performance, the situation that the nickel base alloy layer peels off in a using process cannot occur, and the high machine speed requirements of a bottle-making machine can be met. Due to the fact that manual spray welding is not necessary, the method has the advantages of being high in efficiency and reducing labor intensity of workers. Due to the fact that the service life of the glass mold puncher pin can be obviously prolonged, the mold using cost of glass product manufacturers can be reduced.

The invention relates to the technical field of aerospace power, in particular to a turbofan engine with automatic bypass ratio regulating capacity. The technical scheme is that the turbofan engine with the automatic bypass ratio regulating capacity comprises a first valve, a fan, a speed reducer, a second valve, an air compressor, a combustion chamber, a high pressure turbine, a low pressure turbine, a third valve, a fourth valve and a fifth valve; the fan is connected with the low pressure turbine to form a low pressure rotor system through the speed reducer; the low pressure rotor system issupported on a first bearing, a second bearing, a third bearing and a sixth bearing; the air compressor is connected with the high pressure turbine to form a high pressure rotor system; the high pressure rotor system is supported on a fourth bearing and a fifth bearing; the first valve is mounted at the front end of a second bypass case; the second valve is mounted on an intermediate case; the third valve is mounted on a rear case; the fourth valve is mounted at the rear end of a first bypass case; and the fifth valve is mounted at the rear end of the second bypass case. The turbofan engine with the automatic bypass ratio regulating capacity is high in adaptive capacity, high in specific thrust, high in propulsive efficiency and low in oil consumption rate.

A timing adjustment value is received, and from the received timing adjustment value is determined an integer portion and a fractional portion. In the frequency domain, the determined fractional portion is applied by rotating a signal. Optionally, a phase shift may also be imposed with the rotation. In the time domain, the determined integer portion is applied by one of inserting samples in the rotated signal or removing samples from the rotated signal in an amount corresponding to the determined integer portion. After the signal rotation to apply the fractional portion, the active sub-carriers are mapped, and the transition from frequency domain to time domain occurs by means of an inverse Fourier transform. A cyclic prefix CP may be added after the Fourier transform, separately or functionally combined with the integer portion shift by modifying the size of the CP to impose the determined integer portion. After other conventional processing known in the art, the rotated signal as advanced / delayed by the sample removal / addition is then transmitted.

The invention discloses a DC solid-state relay, which comprises an input circuit, an isolating circuit and an output circuit. The input circuit comprises a first resistor, a second resistor, a first switching tube and a first diode, wherein the anode of the first switching tube is connected with one end of the second resistor by the first resistor, and the other end of the second resistor is connected with the emitter of the first switching tube. The isolating circuit comprises a first optical coupler and a second optical coupler, wherein the positive input end of the first optical coupler isconnected with the emitter of the first switching tube; the positive and negative output ends of the second optical coupler are connected with the collector and base of the first switching tube respectively; and the positive input end of the second optical coupler is connected with the negative output end of the first optical coupler. The output circuit comprises a third resistor, a fourth resistor, a second switching tube, a third switching tube, a second diode and a third diode, wherein the negative input end of the second optical coupler is connected with the third resistor; the positive input end of the second optical coupler is connected with the base of the second switching tube; and the collector of the second switching tube is connected with the positive output end of the first optical coupler. The relay has operating value or return value parameters which can be adjusted in a relatively wider range, and meets the requirement of high speed.

The invention provides a control method for a drive control system of a single-phase brushless direct-current motor. The system comprises a direct-current power supply module, a control module, a power drive bridge module, a signal sampling module and a rotating speed regulation module, wherein the direct-current power supply module is used for supplying electricity to the system, the power drive bridge module and the signal sampling module are in signal connection with the control module, and the rotating speed regulation module is used for presetting the rotating speed of the motor. The method includes the steps that the system is powered on; the rotating speed regulation module is regulated, and the expected motor rotating speed Ve is preset; the control module conducts sampling on coherent signals and calculates the actual motor rotating speed Vr; the actual motor rotating speed Vr is compared with the expected motor rotating speed Ve, if the actual motor rotating speed Vr is lower than the expected motor rotating speed Ve, motor winding excitation time is prolonged, and otherwise motor winding excitation time is shortened. The high duty ratio and long-time excitation motor windings can be avoided from occurring in a Hall one-half cycle, the situation that the service life of the motor is shortened due to overheating of the motor windings and eddy current losses of a magnetic core is avoided, operation of the motor is monitored in real time, the rotating speed of the motor is controlled in real time, and high motor rotating speed requirements are met.

The invention provides an arc welding power source current double-closed-loop control method and belongs to the technical field related to arc welding power sources and current control. The control method includes that when an arc welding power source works, a current inner loop samples original side peak current of a transformer in each switch period and adjusts current of a main circuit in real time; a current outer loop with current feed-forward control controls output current of the arc welding power source, and when the arc welding power source works stably, a feed-forward compensation link does not work and only a PI adjuster participates in adjusting; when arc load changes, the feed-forward compensation link works to increase response speed of the output current. By using the control method, damage to the transformer and power devices caused by overcurrent of the main circuit is avoided, and current outer loop control with a current feed-forward link can adapt to changes of the arc load quicker. The arc welding power source current double-closed-loop control method is suitable for arc welding power sources with high requirements on current speed and accuracy.

The invention discloses single-carrier and ultra-wideband sending method and device. A physical layer data frame structure used in the method is characterized in that a leader sequence comprises a trapping / channel estimation sequence, a frame start delimiter and a block length; a training sequence field is used for coefficient training of a self-adapting filter; the frame head comprises a physical frame head and an MAC frame head; a data field bears metadata; after scrambled, encoded and interlaced, bits of the frame heads and the data are named as information bits; the information bits are divided into N blocks; the value of each frame N can be different, and then the frames of different lengths can be transmitted. A tracking sequence is inserted into the front of each block or behind each block to perform timing tracking. The invention enhances the dissociative diffusion signal-to-noise ratio so that the trapping probability is enhanced; the channel estimation accuracy is increased, the receiving and converting time is shortened, and thus the invention can meet high-speed requirement and is convenient for processing by blocks; and the data auxiliary timing tracking function can be performed.

The invention relates to a silenced high-speed centrifugal fan which comprises a shell, an air inlet, blades, an impeller front cover plate, an impeller rear cover plate and a motor. The impeller front cover plate is separated from the blades. The inner side edge of the impeller front cover plate is connected with the air inlet. The outer side edge of the impeller front cover plate is connected with a drum fixed to the air inlet. The impeller front cover plate, the air inlet and the drum form a hollow cylinder, wherein the inner wall of the hollow cylinder is a smooth curved surface, and the inner diameter of the hollow cylinder is gradually increased from the middle to the two ends. A cavity is formed between the inner wall and the outer wall of the hollow cylinder. Through holes are formed in the surface, making contact with airflow, of the hollow cylinder, the punching rate is 20-30%, the diameter of the through holes is greater than or equal to 4 mm, and the cavity is filled with silencing materials. According to the silenced high-speed centrifugal fan provided by the invention, the blades are separated from the impeller front cover plate, the machining difficulty is remarkablyreduced, the blades and the impeller rear cover plate are integrally formed, and the fan pressure is increased; and the through holes are formed in the surface, making contact with the airflow, of the hollow cylinder, a dissipative muffler is formed, the airflow resistance is low, the pressure loss is low, and the noise reduction effect is good.

The present invention discloses a baseband processing method and apparatus. According to the method, when DSP resources are requested, a DSP resource scheduling module allocates a DSP with low resource occupancy according to DSP resource occupation conditions in an L1 / L2 layer processing module; and a switching module transmits a data packet to the corresponding the DSP through a physical port corresponding to an allocated DSP identification code in a business facade according to the allocated DSP identification code and preset route mapping relations, wherein the route mapping relations at least comprise corresponding relations between DSP identification codes and physical ports. Thus, DSP resources can be reasonably allocated according the DSP resource occupation conditions, and the limitations of card boards can be broken through, and the reliability and operation and maintenance efficiency of equipment is improved; and the route mapping relations are built according to the DSP identification codes and the physical ports, and the forwarding of the data packet can be completed through the corresponding physical port according to the route mapping relations, and generated time delay is smaller compared with conventional Ethernet switching or sRIO (Serial Rapid I / O) switching.

The invention provides a magnetic bearing, a supporting device and a motor assembly, wherein the magnetic bearing is used for supporting and limiting a shaft. The magnetic bearing comprises a rotor core and a stator core, wherein the rotor core sleeves the shaft, and a rotor permanent magnet is mounted outside the rotor core; the stator core sleeves the outside of the rotor core, a plurality of stator windings corresponding to the rotor permanent magnet are arranged on an inner annular surface, facing the stator core, of the stator core, and the stator windings and an electromagnetic force is formed by the rotor permanent magnet, so that the rotor core is maintained suspended. The magnetic bearing, the supporting device and the motor assembly provided by the invention effectively solve the problem that in the prior art, a phenomenon that the temperature of the bearing is high, the temperature rise speed of the bearing is fast, the rotating speed of the bearing cannot meet the requirements and the noise of the bearing is big likely occurs.

The invention discloses a hinging-type dump truck chassis. The hinging-type dump truck chassis comprises a steering system, a braking system, a drive system and a driving system, wherein the driving system comprises a truck frame assembly, the truck frame assembly comprises a front truck frame, a hinging body and a rear truck frame, a front axle is arranged below the front truck frame, a middle axle and a rear axle are arranged below the rear truck frame, one end of a left front hydro-pneumatic suspension unit and one end of a right front hydro-pneumatic suspension unit are connected to the upper surfaces of the left side and the right side of the front axle respectively, the other end of the left front hydro-pneumatic suspension unit and the other end of the right front hydro-pneumatic suspension unit are connected with the front truck frame, a right front cross pull rod, a front V rod and a left front cross pull rod are installed between the front truck frame and the front axle, themiddle axle is connected with the rear axle through a left balancing beam and a right balancing beam, a right middle cross pull rod, a middle V rod and a left middle cross pull rod are installed between the rear truck frame and the middle axle, and a right rear cross pull rod, a rear V rod and a left rear cross pull rod are installed between the rear truck frame and the rear axle. The hinging-typedump truck chassis is simple in structure, safe and reliable, and can effectively improve the trafficability and the comfort of the complete machine.

The invention provides a power down protection circuit which comprises an energy storage unit and a chip selection signal control unit, wherein the energy storage unit is connected with an external power supply and is used for supplying backup power under a power down condition; the chip selection signal control unit is connected with the energy storage unit and is used for transmitting a chip selection signal to an external memory; when the external power supply is normally connected, the chip selection signal control unit transmits a first control signal to the chip selection signal end of the external memory, and the first control signal enables the external memory to be in a normal working state; in a power down state, the chip selection signal control unit transmits a second control signal to the chip selection signal end of the external memory, and the second control signal enables the external memory to be in an ineffective state to keep storage information. Compared with the prior art, the power end and chip selection end of the memory can be in a double-power-supply state; switching of two power supplies can be automatically implemented without a power down detection circuit and meets a high-speed requirement.