56results about How to "High power output" patented technology

The invention belongs to the field of solar cells, and particularly relates to a hole transport layer, a perovskite solar cell and a preparation method. The hole transport layer comprises a NiOx layer and a self-assembly molecular layer, wherein the self-assembly molecular layer comprises a self-assembly molecular material and a surfactant. The perovskite solar cell comprising the hole transport layer has the advantages of high efficiency, high stability, low production cost and simple preparation process.

The utility model provides a charging pile power switching system and a charging station. The charging pile power switching system comprises a plurality of charging module groups, a plurality of charging terminals, a switching module and a control module. Each charging module group is correspondingly connected with one charging terminal, and every two charging module groups of the plurality of charging module groups are connected through the switching module; and the switching module is used for controlling connection and disconnection among the plurality of charging module groups. The charging station comprises a plurality of charging pile power switching systems. Power allocation can be completed through connection and disconnection of the switching module according to different application scenes, the power utilization rate of the charging module group is effectively improved, the situation that a very large power distribution capacity is configured for all charging terminals to perform high-power charging is avoided, resources are saved, and on the premise of effectively controlling the cost, the cost is reduced. Therefore, all charging terminals can have the high-power output capability.

The invention discloses a charging and discharging power distribution method and system for fast equalization of SOC of multiple energy storage modules, and the method comprises the steps: calculating the sum Esumt of the total target electric quantity of a system according to the load power PLoad, the remaining electric quantity Eir of each battery pack and the equalization time T, then distributing Esumt according to the proportion of the maximum available capacity Eimax of each battery pack, obtaining the target electric quantity Eit of each battery pack, and obtaining the maximum available capacity Eimax of each battery pack; finally determining the reference power of each battery pack; carrying out capacity over-limit judgment on the Esumt, determining whether an over-discharge problem occurs to a single energy storage module of the energy storage system or not, and if the corresponding problem exists, reducing the reference power of the energy storage module with the over-discharge problem by adopting a power distribution method under capacity over-limit; according to the invention, the SOC balance of the multi-energy storage module system can be realized under the condition of balancing the load power, and a good balance effect is achieved when the SOC difference value is small; when it is judged that the over-discharge problem exists, the normal operation time of the system can be prolonged, and the SOC balance degree of the system can be improved.

The invention discloses a one-way automatic valve welding seam cutting method and a one-way automatic valve welding seam cutting device. The one-way automatic valve welding seam cutting method comprises the following steps that S1, a safety insurance mechanism is unlocked; s2, the cutting height is adjusted through an automatic lifting mechanism; s3, the clamping mechanism clamps the valve; and S4, a ratchet wheel automatic cutting mechanism is used for cutting the valve welding seam and comprises a machine pedestal, one side of the machine pedestal is connected with an automatic lifting mechanism, and the machine pedestal is provided with an electric driving mechanism used for changing the movement direction and a clamping mechanism used for clamping the valve. The electric driving mechanism is connected with and provides power for the automatic ratchet wheel cutting mechanism for automatically cutting the welding seam of the valve, a working method of a ratchet wheel mechanism is adopted, one-way cutting of the welding seam of the valve is achieved, and the electric driving mechanism is used for driving a ratchet wrench to continuously rotate within a certain angle so that the welding seam of the sealing valve can be automatically cut by a cutter. And the time that workers need to be in high-concentration nuclear radiation during cutting is greatly shortened.

The invention discloses a robot joint structure, a robot control method and a robot. The robot joint structure comprises a driver. The driving circuit, the control circuit, the speed measuring circuit, the accelerometer circuit and the gyroscope circuit are arranged on the first surface of the control panel, and the first surface of the control panel is correspondingly arranged close to the motor; the first bus capacitor module and the first temperature sensor module are arranged on a first surface of the power board, and one surface of the power board is correspondingly arranged close to a second surface of the control board; the second bus capacitor module, the second temperature sensor module, the power MOS tube module, the third temperature sensor module, the current sensor module and the fourth temperature sensor module are arranged on the second surface of the power board, and the second surface of the power board is correspondingly arranged close to the inner side wall of the shell. The problems that in the prior art, when a robot electric drive joint is under the high explosion working condition, the output current of a driver is insufficient, the structure is not compact enough, and the safety monitoring of a robot on unexpected actions is insufficient are solved.

The invention belongs to the technical field of photovoltaic backboards, and particularly relates to a high-reflection integrally-formed backboard for a single-glass assembly and a preparation method thereof.The preparation method comprises the following steps that S1, a PET film base material is provided, plasma surface treatment is conducted, then polyurethane coating is coated on the two sides to form an outer-layer weather-proof fluorine coating and an inner-layer functional coating respectively, and the outer-layer weather-proof fluorine coating and the inner-layer functional coating are formed; a CPC backboard base material is obtained; s2, white high-reflection EVA granules are fused and plasticized, a white EVA adhesive film is obtained through extrusion of a hanger type T-shaped flat die head, then the white EVA adhesive film is compounded with the inner functional coating of the CPC backboard base material, and a firm complex without a definite physical interface is obtained through rolling; s3, cooling the composite body through at least two stages of cooling rollers to obtain a coiled material; and S4, the coiled material is irradiated, and the high-reflection integrally-formed backboard is obtained.

The invention discloses a hydraulic pump station based on slope protection net automatic weaving equipment, the automatic weaving equipment comprises a wire harness pay-off device and a net weaving main machine, the hydraulic pump station comprises a main body frame B made of a steel structure, and a hydraulic oil pump is fixedly arranged in the main body frame B; the hydraulic oil pump is detachably installed on an oil tank, the oil tank is detachably installed on the main body frame B, the hydraulic pump station comprises a pressure storage tank, the pressure storage tank is made of a steel shell, an air pressure leather bag is arranged in the pressure storage tank, and a controller is arranged on the oil tank. The controller is connected with the pressure storage tank through a connecting pipeline; hydraulic oil in the oil tank flows into the pressure storage tank from an inlet in the lower portion of the pressure storage tank and extrudes the air pressure leather bag through pressure, and when the controller is turned on, the external pressure of the hydraulic oil is reduced to provide hydraulic power for an execution part of the netting main machine.

The invention discloses a periodically broken grating surface emitting terahertz quantum cascade laser and an optimization method. The periodic broken structure is introduced into the electrode layer, the potential periodicity of the periodic broken structure ensures the formation of distributed feedback, resonance and frequency selection in the laser can be realized, and meanwhile, due to the non-periodic characteristic of the periodic broken structure locally, the resonance mode of the periodic broken structure is between a symmetric mode and an anti-symmetric mode, so that the frequency selection efficiency of the laser is improved. Therefore, the radiation efficiency and the power of the laser can be effectively improved. Meanwhile, grating parameters are optimized through the genetic algorithm, the difficulty and time cost of forward design of the grating structure by analyzing the mode field are reduced, and the method has high design freedom degree and flexibility. The terahertz quantum cascade laser grating structure designed by the invention has high radiation efficiency and can realize high-power output.

The invention relates to the technical field of sulfur hexafluoride degradation, in particular to a sulfur hexafluoride conversion device and a sulfur hexafluoride conversion method based on double-anode thermal plasmas, the sulfur hexafluoride conversion device comprises a ventilation component, a gas mixing component, a gas distribution component, a gas distribution component and a gas distribution component, the degradation assembly comprises a reaction part and a degradation part, the reaction part is arranged on the gas mixing part, and the degradation part is arranged on the reaction part; and the cooling and exhausting assembly comprises a cooling piece and a tail gas piece, the cooling piece is arranged on the reaction piece, the tail gas piece is arranged on the cooling piece, high-concentration SF6 degradation can be achieved, the degradation efficiency is high, and the degradation rate is high. The content of degraded components can be visually displayed, and data investigation is very convenient; the arc length and the arc voltage of the arc striking anode are increased, and low-current input and high-power output are realized; the main product after degradation is tungsten hexafluoride, so that the tail gas after degradation also has availability.

The invention provides a broadband gain positive slope amplitude-phase control multifunctional chip for a T / R assembly, which relates to the technical field of radio frequency integrated circuits and comprises a receiving channel, a transmitting channel, an equalization circuit, a numerical control attenuator, a numerical control phase shifter, a transmitting-receiving change-over switch module and a parallel control module. The parallel control module is used for outputting parallel control signals to the numerical control attenuator, the numerical control phase shifter and the transceiving change-over switch module; the equalization circuit is respectively connected with the receiving channel and the transmitting channel through the transmitting-receiving change-over switch module, so that a signal path of the receiving channel and a signal path of the transmitting channel multiplex the equalization circuit, the numerical control attenuator and the numerical control phase shifter; and the equalization circuit is of an on-chip integrated structure and is used for adjusting the gain of the receiving channel and the gain of the transmitting channel to present a positive slope characteristic relative to the frequency in a wide frequency band so as to compensate the frequency attenuation of an external device.

The invention discloses a slice laser based on a topological structure dodging layer. The slice laser comprises a pumping system, a pumping light injection module and a composite dodging waveguide structure, pumping light generated by the pumping system enters the composite dodging waveguide structure through the pumping light injection module; the front end face of the composite dodging waveguide structure is plated with a pumping light wavelength high-reflective film and a laser wavelength antireflection film, and the rear end face of the composite dodging waveguide structure is plated with a pumping source wavelength and laser wavelength high-reflective film; the composite dodging waveguide structure comprises a slice gain medium, a topological structure dodging layer and a middle refractive index layer which are sequentially arranged from the front end face to the rear end face. The topological structure dodging layer is composed of a low-refractive-index material layer and a high-refractive-index material topological graph arranged on the low-refractive-index material layer; and the pump light injection module is fixed above the high refractive index material of the middle refractive index layer or the topological structure dodging layer. Pumping uniformity is improved fundamentally, high-order mode suppression and efficient fundamental mode extraction are facilitated, and output power and light beam quality are improved at the same time.

The invention provides a preparation method of a terahertz traveling wave tube based on an electron beam gasification chambering technology and the terahertz traveling wave tube, and the preparation method comprises the steps: machining an initial electron channel in a high-frequency interaction assembly, and enabling the diameter of the initial electron channel to be smaller than the design diameter of an electron beam; centering and welding the high-frequency interaction assembly and the electronic gun; carrying out vacuumizing operation on the terahertz traveling wave tube through a vacuum exhaust furnace; the electron gun is started, the anode is used for accelerating the electrons for the first time, high voltage is applied to the tube body of the high-frequency interaction assembly for accelerating the electrons for the second time, and the high voltage is larger than the voltage of the anode; wherein the material on the peripheral side of the initial electron channel is gasified and extracted by using the electrons subjected to secondary acceleration.

The invention relates to a rechargeable aqueous ZnIS flow battery system. The system includes a cathode side including an electrode material and a first storage tank providing a catholyte, where the catholyte includes zinc iodide and soluble starch, thereby forming an electrolyte having aggregated colloidal nanoparticles; an anode side comprising the electrode material and a second storage tank providing an anolyte; and a diaphragm positioned between the cathode and the anode. And the anolyte and the catholyte flow between the cathode and the anode through a peristaltic pump. The present invention provides a system for further developing colloidal electrolyte chemistry for LPPM-based flow battery systems to achieve power cost-effective and high temperature large scale energy storage.

A stator is provided, the stator having a plurality of stator bars circumferentially spaced about an axis. Each of the stator bars has a set of windings wound thereon for generating a magnetic field substantially parallel to the axis. A plurality of radially outwardly disposed electrical interconnects for connecting two or more windings together are disposed radially outward of the plurality of stator bars and extend circumferentially along at least a portion of the outer circumference of the stator bars. A plurality of radially inwardly disposed electrical interconnects for connecting two or more windings together are also disposed radially inward of the stator bars and extend circumferentially along at least a portion of the inner circumference of the stator bars. The outer circumference of the stator is free of radially outwardly disposed interconnects along one or more portions.

The present application relates to the technical fields of intelligent sensing of bridges, and particularly relates to an energy collection device arranged at a bridge expansion joint, a design method and a bridge expansion joint monitoring mechanism, comprising: a conversion unit arranged in a bridge expansion joint structure, capturing the strain of the structure after being stressed, and generating an alternating flexoelectric signal; a base layer located between the conversion unit and the bridge expansion joint, adjusting the strain distribution of the conversion unit; a rectification unit integrated with an impedance matching circuit, connected with the conversion unit, converting the alternating flexoelectric signal into a direct current, and delivering it to an energy storage unit; compared with the prior art, the beneficial effects of the present application are: the present application relates to a monitoring mechanism of a bridge expansion joint, the device has a self-powered structure based on the flexoelectric effect, without external power supply, significantly reducing the wiring and maintenance cost, at the same time, the monitoring unit realizes millimeter level displacement resolution and real-time structure health assessment, ensuring the structural safety of the bridge expansion joint.

This invention relates to the field of motor technology and discloses a high-power-density permanent magnet motor for unmanned aerial vehicles (UAVs). The motor includes a stator with a winding section and a frequency conversion section. The winding section is arranged in a ring array around the center of the stator, allowing for different coil combinations on a single winding. The winding section includes slots A, B, and C. Slot A is located on the inner wall of the stator, while slots B and C are located on the stator itself. The inner wall of the stator also has inlet holes A, B, and C. Inlet holes A and B communicate with slot A, and inlet holes B and B communicate with slot B. The motor employs a wide-range speed control to adapt to UAV operating conditions, featuring a six-speed adjustment function. The rated speed ranges from 8 r / min (8 Hz) to 48 r / min (48 Hz), and the speed ratio can reach 1:8 during weak field operation. This allows for precise matching of the power requirements of different stages of UAV operation, such as takeoff, cruise, and high-speed flight, achieving full operating condition coverage without motor replacement.

The present invention relates to the technical field of saturable absorbers, and in particular to a saturable absorber based on tin oxide nanoparticles, a preparation method thereof, and a ring cavity fiber laser. The ring cavity fiber laser is composed of a pump source and a ring laser resonant cavity. The ring laser resonant cavity is composed of a wavelength division multiplexer, an erbium-doped optical fiber, a polarization light isolator, a saturable absorber, a polarization controller, and an optical splitter connected in sequence. The pump source is connected to the input end of the wavelength division multiplexer. The saturable absorber is a saturable absorber based on a mixture of tin oxide nanoparticles and a film-forming agent, or a saturable absorber based on tin oxide nanoparticles deposited on the surface of a tapered optical fiber, a D-type optical fiber, or a cladding-corroded optical fiber, or a saturable absorber based on tin oxide nanoparticles filled in the air hole cladding of a photonic crystal optical fiber. The present invention can provide a new solution for the development of ultrashort pulse fiber lasers.

The utility model discloses a kind of control circuit of high-power optical fiber amplifier, it is related to optical fiber amplifier technical field, high-power optical fiber amplifier includes the first stage gain unit and second stage gain unit sequentially arranged along the transmission direction of light;Control circuit includes the control module, first gain control ring and second gain control ring connected;When starting optical fiber amplifier, control module controls first gain control ring to start first stage gain unit, and the output light power of first stage gain unit is collected, control module controls second gain control ring to start second stage gain unit when the output light power of first stage gain unit is greater than threshold light power;When closing optical fiber amplifier, control module first controls second gain control ring to close second stage gain unit, then controls first gain control ring to close first stage gain unit.The control circuit can improve the security and reliability of the high-power optical fiber amplifier application.

Systems and methods (100) for estimating when an engine event occurs is described. The system includes a controller configured to receive a first signal from at least one knock sensor coupled to a combustion engine, receive a second signal from at least one engine crankshaft sensor coupled to the combustion engine, transform the first and second signals into a plurality of feature vectors using a multivariate transformation algorithm, determine an expected window of an engine event with a statistical model, center a segment of the plurality of feature vectors around the expected window, estimate, using the statistical algorithm, a time in the expected window corresponding to when the engine event occurred, and adjust operation of the combustion engine based on the time.

The application discloses a high-power semiconductor laser fiber coupling system based on total reflection and belongs to the technical field of lasers. The system comprises two groups of semiconductor laser array modules, a fast-slow axis collimating mirror array, a dichroic mirror for wavelength beam combining, a reflecting mirror for light path folding, a beam shrinking device and a focusing mirror for coupling light beams into an optical fiber; an isosceles right prism group based on total reflection is used to fill the dark area in the fast axis direction. The wavelengths of the array modules in each group of semiconductor laser array modules are the same, the semiconductor laser fiber coupling system can achieve the purpose of beam shaping and obtain high-power output, and compared with the traditional method, the structure is simple and compact.

This application provides an external cavity laser and a lidar. The external cavity laser includes an active multimode gain chip and a passive optical chip. The active multimode gain chip and the passive optical chip are coupled together. The active multimode gain chip provides a multimode beam, which is then fed back to a single-mode source and output by the passive optical chip. The lidar includes a light source, a beam splitter, a phased array antenna, and a detection module, and includes the aforementioned external cavity laser. This application solves the technical problem of low power output in external cavity lasers in related technologies, thereby improving the power output of external cavity lasers.

The utility model discloses a kind of gas air mixing device and gas water heater, it relates to water heating device field, comprising: for input gas gas passage;For input air first air passage and second air passage;With the first gas output portion and the second gas output portion of the gas passage intercommunication;Mixed gas passage is set in the first air passage, second air passage, first gas output portion, second gas output portion downstream;Flow regulating component is at least partially arranged in the first air passage and can move along the extension direction of the first air passage, air inlet in the gas air mixing device can drive the flow regulating component moves to adjust the opening of the first air passage and the first gas output portion;The second air passage and the second gas output portion are normally open state.This application can solve the problem that flow regulation range is relatively narrow.

A one-way automatic cutting valve weld method and a one-way automatic cutting valve weld device, comprising the following steps: S1 unlocking the safety mechanism; S2 adjusting the cutting height of the automatic lifting mechanism; S3 clamping the valve by the clamping mechanism; S4 cutting the valve weld by the ratchet automatic cutting mechanism, including a machine base, one side of the machine base is connected with an automatic lifting mechanism, the machine base is provided with an electric drive mechanism for changing the direction of movement and a clamping mechanism for clamping the valve, and the electric drive mechanism is connected and provides power for the ratchet automatic cutting mechanism for automatically cutting the valve weld. The device adopts the working method of the ratchet mechanism, realizes one-way cutting of the valve weld, uses the electric drive mechanism to drive the ratchet wrench to continuously rotate within a certain angle to realize automatic cutting of the cutting tool on the sealing valve weld, and greatly reduces the time when the artificial needs to be in the high-concentration nuclear radiation during cutting.

The invention belongs to the technical field of high-power microwaves, and particularly relates to an ultra-high-power ultra-large-radius coaxial backward wave tube which is particularly suitable for national defense and military application. According to the ultra-large-radius coaxial corrugated backward wave tube, on the basis that the difference between the inner radius and the outer radius of a fundamental wave (TEM wave) is not changed, by increasing the center radius of a slow wave device and keeping the electron beam voltage and current density unchanged, the input current is increased in an equal proportion mode, and the output power is increased in a year-on-year mode. The problem that the power of an existing slow-wave device is limited can be solved.

The invention discloses a multi-directional low-frequency magnetoelectric coupling wave energy collector and method based on a volute spiral spring, the device comprises an energy conversion mechanism, a center shaft and an energy collection mechanism, the inner wall of a shell of the energy collection mechanism is provided with a ratchet wheel bidirectional converter, a driving small ball, a track and a volute spiral spring assembly, the driving small ball is arranged in the track, and the volute spiral spring assembly is arranged in the track. The ratchet wheel bidirectional converter can enable a driving disc in the energy conversion mechanism to rotate in one direction no matter which direction the small ball is driven to roll, the volute spiral spring assembly can convert the kinetic energy generated by anticlockwise rolling into elastic energy to be stored, and the elastic energy is released when the small ball is driven to roll clockwise. Compared with the prior art, large acceleration is provided for the driving ball, the driving ball can obtain higher maximum rotating speed under the condition of the same wave frequency and obtain large power output under the condition of lower wave frequency, meanwhile, energy loss is reduced through the volute spiral spring, and therefore high output is achieved within the wide frequency range.

The invention discloses a lithium-rich manganese-based positive electrode material compositely coated with an alpha-ZrP-conducting polymer, a preparation method of the lithium-rich manganese-based positive electrode material and application of a solid-state battery. According to the material, a bulk phase modified lithium-rich manganese-based material is used as a core, and a composite coating layer composed of a delaminated alpha-ZrP nanosheet and a conductive polymer is constructed on the surface of the lithium-rich manganese-based material. The composite coating layer can realize internal proton self-exchange response with the conductive polymer based on the solid acid characteristic of alpha-ZrP, and an overpass type rapid ion-electron dual-transmission channel is formed in the material body. Meanwhile, the coating layer is used as a compact physical and chemical barrier, and harmful side reactions between the positive electrode and the solid electrolyte are effectively blocked. When the prepared positive electrode material is applied to a solid-state battery, high first-circle coulombic efficiency and excellent cycling stability and rate capability are shown, and the two core problems of unstable interface and slow dynamics of a lithium-rich manganese-based material in the solid-state battery are effectively solved.

The application discloses a K-band transit-time oscillator based on a last pre-cavity extraction structure, which comprises an inner cylinder and an anode outer cylinder sleeved outside the inner cylinder, a circular annular cavity is formed between the inner cylinder and the anode outer cylinder, the cavity comprises a first drift tube, a first modulation cavity, a second drift tube, a second modulation cavity, a third drift tube, an extraction cavity and a first coaxial output waveguide which are sequentially communicated, the output end of the anode outer cylinder is further provided with a circular annular second coaxial output waveguide, the first coaxial output waveguide and the second coaxial output waveguide are coaxially arranged, the second modulation cavity is further communicated with the second coaxial output waveguide, and the K-band transit-time oscillator is rotationally symmetrical about the central axis of the inner cylinder. The application verifies the feasibility of extracting microwave by the last pre-cavity, and realizes higher efficient output and higher power output.

The present application discloses an inorganic crystal material and its preparation method and application. The chemical formula of the inorganic crystal material is Dy4Al2O9; it belongs to the monoclinic system and the P21 / c space group; the unit cell parameters of the inorganic crystal material are #imgabs0#α=71.24~71.25°, β=90°, γ=90°, #imgabs1#Z=4. The crystal has strong absorption in the 445~455nm band, with an absorption peak wavelength of 448nm, which matches the commercial blue light InGaN semiconductor pump source. Based on the crystal, the blue light LD pumping technology solution can realize 580nm yellow light band laser.

The application provides a motor stator and a motor. The motor stator comprises a stator core (1) provided with a winding mounting groove (11); a winding partially accommodated in the winding mounting groove (11), the winding comprising a plurality of wires (2), and a plurality of the wires (2) are arranged along a radial direction (R) of the motor stator in the winding mounting groove (11); and an elastic member (3) arranged in the winding mounting groove (11), the elastic member (3) is arranged between at least two adjacent wires (2) in an axial direction (A) of the motor stator, and an inner part of the elastic member (3) forms one or more cooling oil channels.

This invention discloses an aerodynamic design method for a biomimetic tower-type wind turbine, comprising: 1) using 3D modeling software to biomimeticly model the geometric shape of the wind turbine tower and determine its dimensions; 2) employing numerical simulation to study the aerodynamic characteristics of the biomimetic tower and cylindrical tower; 3) 3D printing the tower model with uniformly distributed pressure measurement holes; 4) arranging a wind tunnel testing device; 5) using wind tunnel testing to collect data and study the aerodynamic characteristics of the biomimetic tower and cylindrical tower; 6) using 3D modeling software to model the wind turbine blades, hub, and nacelle, and applying the designed biomimetic tower combined with rotating blades to a horizontal axis wind turbine; 7) employing numerical simulation to compare the simulation results of the biomimetic tower-type wind turbine and the cylindrical tower-type wind turbine. This invention directly addresses the tower shape design, with simple and efficient optimization steps, and exhibits good drag reduction, vibration suppression, and wake improvement effects, thereby increasing the wind turbine's output power.