47results about How to "Strong output ability" patented technology

The invention discloses a gate driving circuit which comprises a plurality of gate driving sub-circuits, wherein each gate driving sub-circuit comprises an upward-pull switch element, a downward-pull switch element and a latch; and the latch is used for respectively carrying out first-stage upward pull and second-stage upward pull on voltage output from the output end of the latch through a first upward pull signal and a second upward pull signal which are respectively input from a first upward pull signal input end and a second upward pull signal end so as to improve a control signal output from the latch to a first control end of the upward-pull switch element. According to the invention, the latches can output very high voltage to the upward-pull switch elements in a time period in which the gate driving sub-circuits output gate voltage, and then the output capability of the upward-pull switch element is improved, so that the sizes of the upward-pull switch elements can be further decreased on the premise of outputting enough gate voltage, therefore, the gate driving circuit is specifically suitable for meeting the design requirements of small-panel liquid crystal display devices.

The invention discloses a high-performance frictional generator and a preparation method thereof. The frictional generator comprises a polymer film I and a conductive electrode I which are stacked sequentially as well as a polymer insulating layer, a conductive electrode II and a polymer film II which are stacked sequentially. According to the preparation method of the frictional generator, a single-step fluorocarbon plasma processing technology is adopted, a micro-nano structure is formed on the surface of polymer, and meanwhile, chemical modification is performed, so that the frictional electrification capability of a processed material is greatly enhanced. The preparation method of the high-performance frictional generator is simple and facilitates large-scale production; the output property of the frictional generator can be greatly improved, and the generator has the capability of supplying power to a wearable device and a microelectronic device.

The invention discloses a current transformer control device. A first digital signal processor (DSP) module is externally connected with a communication interface module, and a data and address bus is connected with a first field programmable gate array (FPGA) module at the same time to receive and transmit various communication data; the first FPGA module is connected with the first and second DSP modules and exchanges data with the first and second DSP modules, and the first FPGA module is connected with a second FPGA module to perform control signal transmission; a dynamic random access memory (DRAM) module is connected with the first DSP module and the second DSP module respectively to realize data exchange of the first and second DSP modules; and the second DSP module is connected with an analog / digital (A / D) module, a digital / analog (D / A) module and the first and second FPGA modules. According to the technical scheme, the current transformer control device has high data acquisition and output capacities, simultaneously has strong universality, has various communication functions and interfaces, and can meet the requirements of various industrial application occasions.

Seam sealer for sealing seams in an asphalt paving operation has electric heaters and heats a seam area that includes a narrow strip of previously laid-down asphalt and a narrow strip of the road surface to be paved. A temperature sensor senses temperature of the seam area. A control system adjusts energy level supplied to the heaters, to obtain a pre-determined temperature on the road surface. The pre-determined temperature is close to the temperature of the fresh hot asphalt to be applied. An asphalt paver travels behind the seam sealer and applies fresh hot asphalt to the road surface still to be paved, overlapping it onto the previously laid down asphalt in the seam area. The fresh hot asphalt and the previously laid down asphalt form a molten mass, which is subsequently pressed to a smooth, fused and finished road surface by a road roller.

The invention discloses a gate drive circuit, comprising multiple stages of gate drive units, wherein each stage of gate drive unit comprises a first switch element to a thirteenth switch element. Each stage of gate drive unit receives a first clock signal, a second clock signal, a third clock signal, a first sequence signal and a second sequence signal, wherein the fourth switch element, the sixth switch element, the eighth switch element, the tenth switch element and the twelfth switch element form a first stabilization unit; the fifth switch element, the seventh switch element, the ninth switch element, the eleventh switch element and the thirteenth switch element form a second stabilization unit. The invention also provides a display device. According to the gate drive circuit and the display device using the gate drive circuit, disclosed by the invention, the switch elements for stabilizing and the switch elements for outputting gate drive signal receive different signals, so that the output capacity of the gate drive circuit is strong, and the gate drive circuit comprises two stabilization units, thus the stability is good.

The invention relates to a frictional power generator with a piezoelectric enhancement effect based on miura-ori folding, and the generator comprises a miura-ori folding support base layer, and the support base layer is folded into M*N folded blocks, wherein the front and back surfaces of each folded block are provided with plate-shaped power generation modules. The power generation modules are divided into first modules and second modules, wherein the first and second modules are respectively set at intervals on the row and column of the folded block matrix. Each first module comprises a friction layer and a bottom electrode layer, and each second module comprises a top electrode layer and a piezoelectric enhancement layer. The bottom electrode layers of all first modules are connected together to form one power output end through a first conductive film line attached to the surface of the support base layer. The top electrode layers of all second modules are connected together to form one power output end through a second conductive film line attached to the surface of the support base layer. The generator is small in size, and is strong in output capability.

The invention discloses flexible stretchable integrated piezoelectric rubber including an electrode composite layer A (1), an electrode composite layer B (2) and a piezoelectric composite layer (3). The electrode composite layer A (1) and the electrode composite layer B (2) are disposed on two sides of the piezoelectric composite layer (3). Both of the electrode composite layer A (1) and the electrode composite layer B (2) are made through filling flexible polymer material with conducting particles. The piezoelectric composite layer (3) is made by filling flexible polymer material with piezoelectric material. The flexible polymer material forming the piezoelectric composite layer and the flexible polymer material forming the electrode composite layers are identical and both are mixing silicone rubber having flexibility and stretchability after vulcanization. According to the invention, the rubber has good electric signal output capability in a stretched condition and has stable electric property output after multiple stretching processes, so that the piezoelectric rubber has good stretchability and more choices is provided for wearable devices for human bodies and large deformation application.

The invention discloses a gate drive circuit. The gate drive circuit comprises a plurality of levels of gate drive units. Each level of gate drive unit comprises a first switch element to a seventeenth switch element. Each level of gate drive unit receives a first clock signal. A first stabilizing unit is formed by the tenth switch element, the twelfth switch element, the fourteenth switch element and the sixteenth switch element. A second stabilizing unit is formed by the eleventh switch element, the thirteenth switch element, the fifteenth switch element and the seventeenth switch element. The invention further provides a display device. According to the gate drive circuit and the display device using the gate drive circuit, the switch elements playing a stable role and the switch elements playing a role in outputting gate drive signals receive different clock signals, the output capability of the gate drive circuit is higher, and the gate drive circuit comprises the two stabilizing units, so that stability is high.

The invention discloses a compressor control method of a variable frequency air conditioner of a railway vehicle. During startup and shutdown control, the temperature difference is used as a judgmentcondition, and the total running time or the continuous running time is added as a judgment condition, so that the compressor can be started immediately, capacity output can be performed quickly, thetarget temperature in the passenger room can be reached quickly, and matching of startup and shutdown of the compressor and actual requirements in the passenger room is realized; when the operation frequency is controlled, the duration time is also increased as a judgment condition; the operation frequency of the compressor is continuously adjusted according to the change of the heat load in the passenger room; the output capacity of the air conditioner is optimal; the actual temperature in the passenger room is always stabilized within the range of + / -1 DEG C of the indoor target temperature,so that the phenomenon of passenger room temperature fluctuation caused by frequent opening and closing of the compressor can be reduced, the passenger room is more comfortable and energy-saving, meanwhile, the operation frequency of the compressor is matched with the actual requirement in the passenger room, and the influence on the service life of the compressor is reduced.

The invention discloses a gate driving circuit, comprising a plurality of gate driving units in cascade, characterized in that the plurality of gate driving units respectively comprise an input moduleconnected with a first node and charging the first node according to a first start signal and a second start signal; a first output module connected to the input module at the first node, generatinga gate driving signal of the present stage according to the first clock signal, and providing the gate driving signal of the present stage at the output terminal; the second output module is connectedwith the input module to the first node, and generates a transfer signal of the current stage according to the first clock signal; a first pull-down module the pulls down the first node to the low level signal under the control of the second clock signal; and a stabilizing module which maintains the gate signal of the current stage at a low level under the control of the first clock signal and the second clock signal. The gate driving circuit can realize a narrow frame and a low power consumption display device, and reduce the occurrence of the cross ripple phenomenon.

The invention discloses a driving structure of a travelling wave micro motor. The driving structure comprises an annular support frame and a circular annular body, wherein the circular annular body isarranged in the annular support frame, the annular support frame and the circular annular body are connected by a plurality of support beams, a first electrode layer and a matrix are arranged on thecircular annular body from top to bottom, the first electrode layer comprises a plurality of fan-shaped electrodes which are arranged in annular way, an interval is reserved between two adjacent fan-shaped electrodes, the external diameter of each fan-shaped electrode is smaller than the external diameter of the matrix, a plurality of grooves are formed in a side wall of the matrix, openings of the grooves are arranged in central lines of the fan-shaped electrodes and an interface line of two adjacent fan-shaped electrodes, and the support beams are uniformly distributed in the grooves. In thedriving structure of the travelling wave micro motor, the vibration energy of the driving structure is limited in frame energy by the support beams and the annular support frame, the support beams are fixed at a node of the travelling wave micro motor, the vibration energy is further prevented from diffusing outwards, the energy loss is substantially reduced, and the Q value of the driving structure is increased.

The invention discloses a straw gasification combustor, and relates to improvement on a straw combustor structure. The invention provides the straw gasification combustor more suitable for straw combustion and having high combustion efficiency. The straw gasification combustor comprises a furnace body; the inside of the furnace is provided with a combustion chamber; and the straw gasification combustor has structural key points that: the bottom of the combustion chamber is provided with a slag falling baffle with air holes; an outlet on the bottom of the slag falling baffle is provided with aslag outlet screw; a secondary air duct is arranged between a furnace wall with air holes of the combustion chamber and a shell of the furnace body; an outlet of the combustion chamber is a cyclone spout with spiral blades; a feeding hole of the combustion chamber is provided with an electric heater which is connected with a feed delivery pipe of which the inside is provided with a feeding screw and the upper part is provided with a fuel bin; and the inside of the feeding screw is provided with an ignition air duct.

The invention discloses an air conditioner air outflow control method. An air conditioner comprises a draught fan and an air dividing mechanism. The air conditioner is provided with an upper air outlet and a lower air outlet which are arranged in the vertical direction. The air dividing mechanism moves in the vertical direction of an air flue, accordingly, the air outflow volume of the upper air outlet and the air outflow volume of the lower air outlet are adjusted, and the positions of the upper air outlet and the lower air outlet are further provided with micropore plates. The air conditioner air outflow control method comprises the steps that in a wind-feeling-free mode, a target air outlet in the wind-feeling-free mode is obtained, and the micropore plate at the position of the targetair outlet covers the target air outlet; the target position of the air dividing mechanism is obtained; and the air dividing mechanism is controlled to move to the target position. The invention further discloses an air conditioner control device, the air conditioner and a storage medium. In the wind-feeling-free mode, the micropore plate at the position of the target air outlet is closed, the airdividing mechanism is controlled to move to the target position, accordingly, the air outflow volume of the target air outlet is smaller than the preset value, and accordingly, the air outlets of theair conditioner are locally free of the wind feeling.

The present invention discloses a fuse tube with the function of wave filtration, and the fuse tube includes a metal wire and a tube; wherein, the metal wire is arranged in the tube which is filled with granular electric wave absorption materials. The granular size of the electric wave absorption materials stands at 50 items to 300 items. The advantage is that the tube is filled with granular electric wave absorption materials that can well absorb or isolate the interference of miscellaneous waves, at the same time, reduce and restrain the influences of the miscellaneous wave interference produced in the working of the machine on other equipments via a power supply loop. By entering into the front end of the machine power supply, the function of wave filtration can be effectively brought into full play, thus letting the machine have better anti-interference capability in the increasingly serious ambience of electromagnetic interference and have more stable working performance and the state of the machine.

The invention discloses an air outlet control method of an air conditioner. The air conditioner comprises a fan and an air distributing mechanism, the air conditioner is provided with an upper air outlet and a lower air outlet which are arranged in the vertical direction, the air distributing mechanism is rotationally connected with an air duct so as to adjust the air outlet amount of the upper air outlet and the lower air outlet, and micropore plates are further arranged at the upper air outlet and the lower air outlet respectively; the air outlet control method of the air conditioner comprises the following steps that when an air-free feeling mode is entered, the target air outlet of the air-free feeling mode is acquired, and the micropore plate at the target air outlet is enabled to cover the target air outlet; the target angle of the air distributing mechanism is acquired; and the air distributing mechanism is controlled to rotate to the target angle. The invention further discloses a control device of the air conditioner, the air conditioner and a storage medium. When the air-free feeling mode is entered, the micropore plate at the target air outlet is closed, the air distributing mechanism is controlled to rotate to the target angle, so that the air outlet volume of the target air outlet is smaller than a preset value, and the local air-free feeling of the air outlets ofthe air conditioner is achieved.

The invention provides an industrial uninterrupted seamless switching inverter power supply device for solving a voltage sag problem. The device includes a power supply circuit, an isolation samplingcircuit, a super capacitor group circuit, an RS485 serial communication interface circuit, a CAN bus serial communication interface circuit, a precise full-wave rectification and operational amplification circuit, a data storage circuit, an electromagnetic relay driving circuit, an active low voltage fast AC switching circuit, an H-bridge inverter output circuit, a PWM boosting circuit and a transformer boosting circuit, wherein the power supply circuit includes an AC-DC voltage reduction circuit and a DC voltage stabilizing circuit. The device is advantaged in that the switching speed is fast, the MOSFET fast switching capability is utilized to make the switching time of the power supply to be within 1MS, the device has good versatility, long service life, small size, convenient installation and flexible use, and the key equipment can be protected pertinently.

A circuit for regulating a leakage current in a charge pump is disclosed. The circuit includes a bias voltage generating circuit and a first transistor, wherein: the bias voltage generating circuit generates a bias voltage that is proportional to a supply voltage; a gate of the first transistor is coupled to the bias voltage; the first transistor has a drain that is coupled to an output of the charge pump and a source that is grounded; a voltage the drain of the first transistor is proportional to the supply voltage; and a current flowing through the source and drain of the first transistor is proportional to the supply voltage that powers the charge pump.

The invention belongs to the technical field of circuit control of piezoelectric ceramic actuators, and particularly relates to a driving method and driving circuit for a piezoelectric ceramic actuator. The method comprises the following steps: amplifying an input control signal to obtain a pre-amplification control signal V1; amplifying the sum of the V1 and a feedback signal V2 to obtain a voltage control signal V4, wherein the V2 is a signal obtained after voltage V0', which is output after a transformer T1 releases energy under the action of input voltage Vp, is divided by a resistor; calculating a PWM wave with a specific duty ratio by using a PWM control chip based on the V4 and feedback voltage V5, and allowing a primary coil to store energy or release energy under the action of the PWM wave and the inductance value of the transformer, wherein the voltage V0' is output during energy release, and the V5 is the voltage generated after current generated by the primary coil under the action of the Vp flows through a sampling resistor; and jointly controlling the unloading action of the voltage V0' by adopting the sum of V5 and V4 until the voltage V0 'reaches a target voltage. According to the method, in continuous adjustment of unloading action and boost control, the control precision of output voltage can be effectively improved, and output ripples can be reduced.

The invention provides a bionic waist mechanism of a humanoid robot. The bionic waist mechanism comprises a linear driving input module, a pitching deflection output module and a supporting connection structure; the linear driving input module comprises two linear telescoping driving devices which are parallel to each other and independently carry out the driving process and form a parallel differential mechanism. The linear telescoping driving devices are inclined relative to the vertical axis of the humanoid robot and are symmetrically distributed in space, a spatial triangular structure is formed, and the stability, the rigidity and the bearing capacity of the whole bionic waist mechanism can be improved. The bionic waist mechanism of the humanoid robot is simple in structure, the weight is reduced, the output capability is improved, energy consumption is reduced, the load-bearing ability is improved, and the bionic waist mechanism accords with the design object of weight reduction.

The invention provides a power supply module, a power supply system composed of the power module and a control method of the power system. The power module comprises a power conversion circuit, a control circuit, a sampling feedback circuit, a circuit detection circuit, and further comprises at least one comparison control circuit. The power supply system comprises N power supply modules in parallel, wherein N is a natural number greater than 1; any one of the power supply modules is used as a main module, and the other N-1 power modules are used as slave modules; a current signal output by the main module is fed back to the slave module through an external connection wire; the slave module receives the current signal of the main module and compares the current signal with its own output current; the output current of the slave module is kept the same as the output current of the main module by adjusting the output power of the slave module by the slave module, so as to achieve the purpose of parallel current sharing output of the N power supply modules. The parallel current sharing modules of the present invention are all identical, and the modules can be directly used in parallelcurrent sharing, without any external devices or equipment added, the circuit design is simplified, and the reliability of the power supply is improved.

The invention discloses a driving device. The driving device comprises a hydraulic motor connected with a cutter shaft through a planetary reducer, a torque supporting plate with a first end connectedto the planetary reducer, a supporting seat installed on an installation guide rail, and a connection rod connected with the supporting seat through a first pin shaft, wherein a second end of the torque supporting plate is connected with the connection rod through a second pin shaft, the connection rod is provided with a lower connection hole and an upper connection hole, the second end of the torque supporting plate is provided with a plate connection hole, the supporting seat is provided with a seat connection hole, the first pin shaft penetrates through the lower connection hole and the seat connection hole, the second pin shaft penetrates through the upper connection hole and the plate connection hole, the tails of the first pin shaft and the second pin shaft are both fastened throughnuts, the first pin shaft is connected with the seat connection hole through a bearing, and the second pin shaft is connected with the plate connection hole through a bearing. The driving device makes the integral structure of a shredder be compact, the installation space is small, and the output capability is high. The invention further discloses a biaxial shredder comprising the driving device;the biaxial shredder has the same beneficial effects as the driving device.

The invention relates to a microminiature two-degree-of-freedom ultrasonic motor and a driving method thereof. The microminiature two-degree-of-freedom ultrasonic motor comprises a base, an x-axis movement unit, a y-axis movement unit and an objective table. The x-axis movement unit is fixedly connected to the base, and the y-axis movement unit is fixedly connected to a driven part of the x-axis movement unit. the objective table is fixedly connected to a driven piece of the y-axis movement unit. The driving method is as follows: the movement of the x-axis movement unit and the movement of the y-axis movement unit are mutually independent, the driving method is consistent, and sawtooth waves can be synthesized on the x axis and the y axis respectively by controlling ultrasonic excitation signals of piezoelectric stacks of the x-axis movement unit and the y-axis movement unit, so that independent movement of the two axes is generated. The motor has the advantages that the device is miniaturized in structure, simple in driving method, high in speed, high in precision, low in cost and easy to integrate, can be used as a built-in camera anti-shake device of a mobile phone, and has a wide application prospect in use occasions with limited application space, such as miniature equipment.

The invention provides a biological protein flexible nanometer friction electric generator and a preparation method thereof. The preparation method comprises the steps of preparing a biological protein solution; providing a raster template, coating the surface of the raster template with the biological protein solution, and performing drying and separating to obtain a biological protein membrane with a micro-nano raster structure on the single surface; adopting a human body implantable metal as a target material, and sputtering a friction electrode layer on the surface, without the raster structure, of the biological protein membrane; and performing cutting, taking the biological protein membrane as a first biological protein layer and a second biological protein layer, and taking the friction electrode layer as a first metal friction electrode layer and a second metal friction electrode layer to form the biological protein flexible nanometer friction electric generator. The electric generator disclosed in the invention is totally formed by human body degradable materials, so that immunoreaction is not caused after the electric generator is implanted into human body, without takingout through a secondary surgery; and through the raster structure, completeness and reflection strength of a reflective pattern can be checked, so that the output power of the electric generator canbe fed back in real time, and the degradation condition of the biological protein flexible nanometer friction electric generator can be monitored.

The invention discloses a blue color paste preparation and printing drying process, comprising a worktable, a printing mechanism is provided on one side of the upper surface of the worktable, a support frame is provided on the other side of the upper surface of the worktable, and the support The lower surface of the frame is provided with a conveying auger, a vibrating block is arranged on the conveying auger, a feeding port is processed on the upper surface of the conveying auger, one end of the conveying auger is provided with a curved pipe, the dye barrel, The acrylic emulsion barrel, the water storage barrel and the thickener barrel are all provided with discharge ports, each of the discharge ports is fixedly connected to the feed port through a pipe, and the discharge head is fixed to the curved pipe through a material guide pipe Links, the beneficial effects of the present invention are green printing and dyeing, ecological discharge, high deduction printing efficiency, simple structure and strong practicability.

The utility model discloses a processing circuit used for improving the performance of the audio equipment, and the processing equipment thereof. The processing equipment comprises a casing body, the input terminal interface of an audio host machine is arranged at one side of the casing body, the input terminal interface of a power supply is arranged at the other side of the casing body, a protective tube with filtering function is connected on the anode power wire of the input terminal of the audio host machine in series, and a capacitor is bridged between the anode power wire of the input terminal and the cathode power wire of the input terminal of the audio host machine. The processing equipment has the advantages that all sorts of harmful resonance in the circuit can be effectively restrained through the capacitor, and the capacitor plays the role of filtering; the protective tube with the filtering function can effectively restrain all sorts of harmful resonance in the circuit, and plays the role of filtering, reduces the impedance caused by vibration, and improves the degree of purity and the stability of the power supply, the higher harmonics components harmful to the signals are eliminated through the optimization of the quality of the power supply, and the powerful output capability is provided for the machine through the high-quality abundant electric current.

The invention provides a bionic waist mechanism of a humanoid robot, which includes a linear drive input module, a pitch deflection output module, and a support connection structure; wherein, the linear drive input module includes two independently driven parallel linear telescopic drive devices , forming a parallel differential mechanism. Moreover, the linear telescopic drive device is inclined and symmetrically distributed relative to the vertical axis of the humanoid robot in space, forming a triangular structure in space, and improving the stability, rigidity and bearing capacity of the entire waist mechanism. The bionic waist mechanism of the present invention has the advantages of simple structure, reduced mass, stronger output capability, reduced energy consumption, improved carrying capacity, and meets the design goal of light weight.

The invention provides a flyback switching power supply, which comprises a power supply input and rectification circuit, a DC-DC switching circuit and a voltage and current feedback circuit. The DC-DCswitching circuit comprises a PWM control integrated circuit U1. The PWM control integrated circuit U1 is provided with a GND end, an FB end, a Vin end, an RI end, an RT end, a Sense end, a VDD end and a Gate end. The flyback switching power supply further comprises a frequency adjusting circuit connected between the FB end and the RI end of the PWM control integrated circuit. The frequency adjusting circuit is used for changing the working frequency of the flyback switching power supply according to the working state of the flyback switching power supply. When the flyback switching power supply is in a light load state, the working frequency is reduced by the frequency adjusting circuit. When the flyback switching power supply is in a heavy load state, the working frequency is increasedby the frequency adjusting circuit. Compared with the prior art, the flyback switching power supply has the advantage that the working frequency can be adjusted according to the working environment, so that the flyback switching power supply is suitable for wider occasions, energy can be saved, and temperature rise can be reduced.