458results about How to "Reduce design difficulty" patented technology

The invention discloses a method for verifying a digital circuit module in an integrated circuit, which belongs to the technical field of circuit testing and comprises the following specific steps: I, analyzing functional requirements and performance indexes of the circuit module and constructing a virtual model; iI, identifying abnormity and boundary conditions in the circuit module and generating a test case; iII, performing function verification on the circuit module and evaluating module performance; iV, optimizing the current circuit configuration according to a performance evaluation result; v, carrying out randomness verification on the circuit to detect potential vulnerability and design defects; according to the method, the circuit performance can be remarkably improved, the workload of manual parameter adjustment is reduced, the design complexity and verification difficulty are reduced, the performance of a circuit module in various scenes is improved, an input area which may cause problems can be focused on under limited test resources, the comprehensiveness and verification efficiency of the verification process are improved, and the verification efficiency is improved. And the stability evaluation of the circuit is more accurate, and the verification can be continuously improved.

The invention relates to an electronic picture book generation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a basic keyword set, and enabling each basic keyword in the basic keyword set to be related to a picture book story text; traversing basic keywords in the basic keyword set, determining key texts corresponding to the basic keywords, and forming a key text set by the key texts; and generating a picture book story text of the electronic picture book according to the key text set, and generating a picture book illustration of the electronic picture book according to the picture book story text. In this way, the basic keyword set related to the picture book story is given, the picture book story text of the electronic picture book is generated, then the picture book illustration of the electronic picture book is generated, work of a picture book author and an illustrator can be replaced, the design difficulty of the electronic picture book is reduced, time and money input is reduced, and the design cost of the electronic picture book is reduced.

The invention discloses a multi-phase-multi-phase direct-type AC-AC converter based on an MMC and a control method of the multi-phase-multi-phase direct-type AC-AC converter. The AC-AC converter provided by the invention comprises a modular multi-level converter and N single-phase three-winding transformers, the modularized multi-level converter comprises X phase units, the input side is provided with m ports and connected with a first alternating current system, and the output side is provided with N ports and connected with a second alternating current system. Each single-phase three-winding transformer comprises a first winding, a second winding and a third winding, the first windings of the N single-phase three-winding transformers are respectively connected with N phases of a second alternating current system, and the second windings are connected with N output side ports of an upper bridge arm of the modular multilevel converter; and the third winding is connected with N output side ports of the lower bridge arm of the modular multilevel converter. The AC-AC converter is based on the principle of synthesis of differential-mode and common-mode voltage components of MMC bridge arms, and is combined with a three-winding transformer with an anti-dotted terminal, so that the number of sub-modules of the M3C topology can be further reduced, and the AC-AC converter has good expansibility and is suitable for application scenes with various special requirements.

The embodiment of the invention provides a simulation method and device of a network-on-chip, electronic equipment and a storage medium, and relates to the technical field of the network-on-chip. The method comprises the steps of obtaining network simulation structure parameters, task simulation distribution parameters and performance optimization conditions; acquiring a simulation task of the network-on-chip; acquiring the simulation scale of the network-on-chip; and based on a solver of the satisfiability model theoretical model, obtaining an optimal node physical topology simulation result corresponding to the simulation task in the simulation scale under the condition that the network simulation structure parameters, the task simulation distribution parameters and the performance optimization conditions are satisfied. On one hand, the design difficulty of the network-on-chip can be reduced; and on the other hand, the optimal node physical topology simulation result obtained through the solver of the satisfiability model theoretical model has relatively high accuracy, has relatively strong reference significance for the design of the network-on-chip, and is beneficial to improving the design efficiency of the network-on-chip and improving the design accuracy of the network-on-chip.

The invention discloses a driving chip, a controller, a backlight unit and a signal transmission method, and the driving chip comprises an input / output module and a channel switching module. The input / output module comprises two data line ports for connecting an upper-level device and a lower-level device; the channel switching module is configured to set a data line port connected with an upper-level device as a signal input port and set a data line port connected with a lower-level device as a signal output port after receiving a first channel setting instruction, and the input / output signal port of the driving chip is set, so that the input / output signal port of the driving chip is switched to the signal input port. And the design difficulty and the manufacturing cost of the backlight unit can be reduced.

The invention provides an excitation fuse with a tubular structure, which comprises a closed insulating shell, and a first connecting end and a second connecting end are arranged at two ends of the insulating shell; a closed cavity is formed in the insulating shell, a movable block and two limiting parts with conductive performance are arranged in the closed cavity, a limiting gap is formed between the two limiting parts, and the two limiting parts are electrically connected with the first connecting end and the second connecting end respectively; the movable block comprises a first end and a second end which are opposite, and the first end is provided with an excitation source; the two sides of the second end are in tight fit connection with the two sides of the limiting gap respectively, and the two limiting parts are in conductive connection through the second end; a receding space is formed between the second end and the inner wall of the closed cavity. According to the tubular structure excitation fuse with the structure, the filling amount of an excitation source can be effectively reduced, and the design difficulty of the insulating shell is reduced; in addition, the melt part is compact in overall structure and convenient to use in occasions with strict space requirements.

The present invention discloses a pneumatic sample transport device based on deceleration and positioning, the device consists of a positioning component and a deceleration component; the positioning component comprises a U-shaped rabbit pipe with an opening downward and one end as a starting end and the other end as a destination end, and a sample transport device arranged in the U-shaped rabbit pipe and transporting target materials from one end to the other end; the U-shaped rabbit pipe and the sample transport device are respectively provided with magnets that attract each other, the deceleration component comprises a ventilation component arranged at the starting end of the U-shaped rabbit pipe, a deceleration component arranged at the destination end of the U-shaped rabbit pipe, and a plurality of sensor components arranged in the bend of the U-shaped rabbit pipe. The present invention decelerates the sample transport device through a control system and positions the sample transport device through the principle of magnetic attraction, thereby avoiding damage to the sample transport device and the contained sample due to severe impact, and improving automation and reducing the difficulty of manipulator design through automatic positioning of the sample transport device.

The invention relates to the field of communication, and discloses an AIP module, an active phased-array antenna and a communication device, the AIP module comprises a substrate, an antenna, a chip and a passive device, the antenna is located on the upper surface of the substrate, the chip and the passive device are located on the lower surface of the substrate, the chip is electrically connected with the antenna, and the chip is electrically connected with the passive device. The antenna, the chip and the passive device are integrated together, wiring on a circuit board can be reduced, the wiring design is simplified, and meanwhile the cost and the design difficulty of the circuit board can be reduced.

The invention discloses a gyrotron traveling wave tube low-speed scattered magnetic control injection electron gun and a design method, and belongs to the field of vacuum electronic devices. The electron gun comprises a cathode and an anode. The cathode comprises a cathode bottom table, a rear forming pole, an emission band and a front forming pole, the radius of the cathode bottom table is larger than that of the rear forming pole, the generatrix of the emission band is an arc curve, and the overall surface of the front forming pole is an arc surface; besides, in the design of the cathode, through two times of modeling and respective simulation optimization of partial parameters, the parameters in the one-time simulation optimization process are reduced, the optimization target is clearer, the design difficulty is effectively reduced, and the design time is shortened. The problem that the electric field of the gun area of the electron gun is too high due to the fact that the size of the cathode is too small is effectively solved, meanwhile, the adverse effect of the abrupt change structure of the cathode on the surface electric field of an emission band is avoided, and speed scattering of the electron gun is effectively reduced.

An electric pump pressure type liquid oxygen methane rocket main and auxiliary power integrated system adopts an electric pump to pressurize a low-pressure propellant in a rocket storage tank, the pressurized propellant can be controlled to enter an attitude and orbit control engine or return to the rocket storage tank through reversing of a reversing valve, and if the reversing valve continuously supplies the propellant into the attitude and orbit control engine, the propellant can enter the attitude and orbit control engine; continuous and stable work of the attitude and orbit control engine can be realized; if the reversing valve supplies propellants into the attitude and orbit control engine and then immediately switches to the rocket storage tank, pulse work of the attitude and orbit control engine can be achieved through circulation. The reversing valve can keep the electric pump in a normal circulation state at the downstream moment, and the electric pump can work normally and stably no matter whether the attitude and orbit control engine works stably or in a pulse mode. The cavitation pipe is installed in front of the reversing valve, when the attitude and orbit control engine works in a pulse mode, the rotating speed and the power of the electric pump are kept unchanged, the pressure and the flow behind the pump can be constant, the flow entering the attitude and orbit control engine is constant, and it can be guaranteed that thrust generated by the attitude and orbit control engine in each pulse work is constant.

The invention discloses a vehicle body structure and a vehicle. The vehicle body structure comprises a middle channel, a front anti-collision beam, a first longitudinal beam, a front wall cross beam assembly and a second longitudinal beam, wherein the front anti-collision beam, the first longitudinal beam, the front wall cross beam assembly and the second longitudinal beam are sequentially connected end to end to form a frame structure. The middle channel is located on the rear side of the front wall cross beam assembly and connected with the front wall cross beam assembly. The vehicle body structure further comprises a first energy absorption structure arranged on the first longitudinal beam, a second energy absorption structure arranged on the second longitudinal beam and a third energy absorption structure located in the frame structure, the third energy absorption structure is connected with the front wall cross beam assembly, and at least part of the third energy absorption structure is closer to the front anti-collision beam relative to the front wall cross beam assembly. In the vehicle body structure, through the third energy absorption structure connected with the front wall cross beam assembly, the front wall intrusion amount can be reduced, the collision resistance of the whole vehicle is improved, unification of power assembly mounting points is facilitated, and the design difficulty of the front wall cross beam assembly is reduced.

The utility model discloses a novel double-layer pure metal transmission array antenna used for wave beam scanning, compared with a traditional transmission array, a dielectric substrate which is easily influenced by environmental factors is not used, but a pure metal structure is adopted, so that the dielectric substrate is prevented from being damaged in some extreme environments. Meanwhile, two groups of first double-end cross-shaped slot structures and second double-end cross-shaped slot structures which are different in length and parallel to the y direction are etched on the transmission unit, and the first double-end cross-shaped slot structures and the second double-end cross-shaped slot structures are alternately arranged on the transmission unit. Compared with a Huygens pure metal unit, the unit has the functions of low transmission loss and meeting the 360-degree phase change range, the unit structure is simple, large-scale multi-parameter scanning is not needed, the design difficulty is low, the expandability and universality of the unit are improved, meanwhile, an additional structure such as a metal column is not introduced, and the cost is low. And relatively low processing complexity is maintained, and the processing cost is relatively low.

The utility model discloses a convergence bridge unit, a motor and a vehicle, and the convergence bridge unit comprises a plurality of terminal parts, each terminal part comprises a first connection terminal and a connection sheet, the first connection terminal is used for connecting a winding structure, and the first connection terminal is connected with the connection sheet; the connecting pieces of all the terminal parts are not overlapped, and the winding structures connected with the first connecting terminals located on the different terminal parts are connected through connecting wires. According to the technical scheme provided by the embodiment of the invention, the bus bridge unit is arranged in a single-layer form, the first connecting terminal and the second connecting terminal which are used for electric connection are arranged on the connecting sheets on the terminal component so as to realize electric connection with the winding structure and the circuit board, and the connecting sheets are not overlapped to form a single-layer structure, so that the structure is simple, and the cost is low. The single-layer structure is simple, the design and processing difficulty is low, the cost of parts is reduced, and the market competitiveness is improved.

The invention discloses a reconfigurable metasurface reflective array based on MOS switch chip regulation and control and an implementation method of the reconfigurable metasurface reflective array. The metasurface reflective array comprises a feed source horn and a reconfigurable metasurface reflective array, the reconfigurable metasurface reflective array comprises a plurality of metasurface reflective array units which are periodically arranged; the metasurface reflective array unit sequentially comprises a top metal structure layer, a first dielectric substrate, a metal ground, a metal power supply layer, a second dielectric substrate and a bottom metal feed layer; and the top metal structure is loaded with an MOS switch chip. According to the invention, two states of 0 degree and 180 degrees of the phase of the metasurface reflective array unit are realized by controlling the on-off of the MOS switch chip, the state of each metasurface reflective array unit in the reflective array is controlled by the FPGA, beam scanning can be carried out at + / -45 degrees, and compared with a reflective array using a PIN tube as a tuning element, the design of a complex feed network is avoided, and the cost is reduced. The method has the advantages of high beam scanning speed and low power consumption.

The utility model relates to a bipolar plate partition current, impedance and temperature, humidity and pressure detection device based on a contact type balance resistor, which comprises a current density temperature, humidity and pressure measurement printed circuit board, a current density temperature, humidity and pressure measurement printed circuit board, a current density temperature, humidity and pressure measurement printed circuit board and a current density temperature, humidity and pressure measurement printed circuit board, a regional array contact is preset according to the size of each measurement region; the epoxy resin substrate is in contact with the upper side face of the current density temperature, humidity and pressure measurement printed circuit board, and a sealing groove formed in the lower side face of the epoxy resin substrate and the upper side face of the current density temperature, humidity and pressure measurement printed circuit board are sealed through a sealing ring; the negative side of the first bipolar plate is in contact with the upper side face of the epoxy resin substrate, and the upper side face of the epoxy resin substrate and a sealing groove formed in the negative side of the first bipolar plate are sealed through a sealing ring; and the second bipolar plate is positioned on the topmost layer of the detection device.

The invention provides a filler spray tower for waste gas treatment. A tower body comprises a tower bottom, a tower cover and at least one layer of tower body, spraying structures are mounted at the bottoms of the tower cover and the tower body; the pumping device is used for pumping spraying liquid to each spraying structure; a first bracket is fixedly mounted at the bottom of the tower body, and a spraying structure of the tower body is mounted at the bottom of the first bracket; a supporting net is fixedly arranged on the top surface of the first bracket and is used for supporting and placing the filler; a stirring structure is rotationally mounted in the center of the first bracket, and a stirring frame of the stirring structure is located above the supporting net; a driving structure is mounted at the bottom of the first bracket and is in transmission connection with the stirring structure, and the pumping device provides driving power for the driving structure; the filler can be stirred, the position of the filler is changed, and the utilization efficiency and the purification effect are improved; moreover, the pumping device is used for conveying the spraying liquid as driving power, an electric driving structure does not need to be additionally arranged, and the design and layout difficulty of the whole structure is reduced.

The invention provides a low-noise amplifier and a radio frequency front-end module, and the low-noise amplifier comprises an input matching circuit, a first-stage power amplification circuit, an inter-stage matching circuit, a second-stage power amplification circuit and an output matching circuit. The inter-stage matching circuit comprises a first inductor, a second inductor and a first capacitor; the second-stage power amplification circuit is of a cascode structure; and the output matching circuit comprises a third inductor and a fourth inductor which are coupled with each other. According to the low-noise amplifier, the high-frequency gain, the in-band gain flatness, the isolation degree, the stability and the output matching bandwidth of the low-noise amplifier can be improved.

The utility model discloses a battery pack which comprises a shell, a battery pack, a reinforcing layer and fixing glue, and the shell is provided with an accommodating cavity; the battery pack is arranged in the accommodating cavity; the reinforcing layer is arranged at the discharge end of the battery pack, and a channel hole is formed in the reinforcing layer; and the fixing glue is filled in the accommodating cavity and covers the reinforcing layer and the battery pack. The reinforcing layer and the battery pack are fixed through the fixing glue, so that a fixing structure of the reinforcing layer can be omitted, the design difficulty of the battery pack is reduced, the assembly process of the battery pack is simplified, the production and manufacturing efficiency is improved, and the cost is reduced; the reinforcing layer and the battery pack are fixed in all directions, so that the fixing effect of the reinforcing layer and the battery pack is improved, and the performance of the battery pack is more stable.

The invention relates to the technical field of welding, in particular to an automobile anti-collision beam robot welding device and welding system.The automobile anti-collision beam robot welding device comprises a rotary table, and the top of the rotary table is provided with two rotary ends which are oppositely arranged and can synchronously rotate; each rotary end is fixedly provided with one lifting assembly, and each lifting assembly is fixedly provided with one first clamp and one second clamp. The top of the second clamp is used for clamping and fixing a sound absorption box; the lifting assembly is used for driving the second clamp to ascend so that the top face of the sound absorption box can abut against the bottom face of the arch-shaped anti-collision beam. According to the welding device, the two first clamps of the rotary table are used for clamping and fixing one end of the arch-shaped anti-collision beam, the tops of the second clamps are used for clamping and fixing the sound absorption box, and the top face of the sound absorption box abuts against the bottom face of the arch-shaped anti-collision beam through the lifting assembly, so that a welding channel of the welding device is wide, obstacles are few, and the welding efficiency is improved. And the design difficulty of a welding gun moving path is reduced.

The invention belongs to the technical field of aero-engines, and discloses an inclined combustion chamber which comprises a diffuser, an outer casing, an inner casing, a head supporting ring, a flame tube outer ring and a flame tube inner ring. An annular cavity is formed between the outer casing and the inner casing, the diffuser is arranged at an air inlet of the annular cavity, an air outlet of the diffuser is communicated with the air inlet of the annular cavity, the flame tube outer ring and the flame tube inner ring are both located in the annular cavity, the flame tube outer ring and the flame tube inner ring form a flame tube flow channel, and the flame tube outer ring and the outer casing form an outer ring flow channel. The flame tube inner ring and the inner casing form an inner ring flow channel; the center line of the air outlet of the diffuser, the center line of the flame tube runner, the center line of the outer ring runner and the center line of the inner ring runner are parallel to one another and form included angles with the axial center line of the rotating shaft. According to the inclined combustion cylinder, the radial fall of an inlet and an outlet is fully utilized, the axial length of a combustion chamber is short, and airflow flows smoothly.

The invention belongs to the technical field of road engineering roadbed treatment, and particularly relates to a riprap silt squeezing depth calculation method based on energy conservation. The calculation method comprises the following steps: S1, assuming a simplified calculation working condition, and respectively calculating gravitational potential energy of block stones and soil blocks by taking the block stones and wedge-shaped soil blocks at the lower part after the block stones enter a soil body as research objects; s2, calculating resistance work and buoyancy work of the block stone in water, side soil shear work of the block stone when the block stone moves in the sludge, and soil pressure and shear work of the soil block; s3, establishing a balance equation of the total potential energy and the total resistance acting; and S4, calculating the riprap silt squeezing depth according to the equation. According to the method, the problem of establishment of the balance equation in the overwater riprap process is solved by utilizing the principle of conservation of energy, the design difficulty of engineers and the extra workload of parameter valuing are effectively reduced on the basis of ensuring the calculation requirement, and the scheme decision-making efficiency is favorably improved.

The rotary double-color mold comprises a plate A, a plate B and a bottom plate, a fixed mold core and a movable mold core which are matched in a mold closing mode are arranged in the plate A and the plate B respectively, square iron is arranged between the plate B and the bottom plate, and two different fixed mold cavities are formed in the fixed mold core; the movable mold core is composed of a positioning mold core arranged on the plate B and two independent inserts vertically fixed to the square iron, the positioning mold core is provided with two first movable mold cavities vertically corresponding to the fixed mold cavities, and the top ends of the two independent inserts are each provided with a second movable mold cavity; the plate B is provided with a driving mechanism which is only used for driving the positioning mold core to rotate by 180 degrees; according to the double-color mold, only other parts of the movable mold core need to be rotated by 180 degrees, the fixed mold cavity and the movable mold cavity discharge glue for injection molding at the same time, high-quality products can be obtained through synchronous and rapid 360-degree coating injection molding of soft glue and hard glue, the injection molding products do not need to be lifted and turned over, the design difficulty of the double-color mold is greatly reduced, the cost is reduced, and the production efficiency is improved.

The invention discloses a temperature control valve. The temperature control valve comprises a valve body, a valve element assembly and a temperature sensing assembly. A conveying space and a temperature sensing space are defined by the valve body, a liquid inlet, a first liquid outlet and a second liquid outlet are formed in the peripheral wall of the valve body in the conveying space, the temperature sensing space is communicated with the liquid inlet, and the valve element assembly is movably installed in the conveying space; the temperature sensing assembly comprises a reversing piece and a temperature sensing piece, the reversing piece is movably arranged in the temperature sensing space, the temperature sensing piece is arranged in the temperature sensing space, and the reversing piece is in transmission connection with the temperature sensing piece and the valve element assembly; when the temperature of the fluid is lower than the preset temperature, the fluid drives the reversing part to drive the valve element assembly to communicate with the liquid inlet and the first liquid outlet and block the liquid inlet and the second liquid outlet. And when the fluid temperature is not lower than the preset temperature, the temperature sensing piece drives the reversing piece to drive the valve element assembly to communicate the liquid inlet with the second liquid outlet, and the liquid inlet and the first liquid outlet are blocked. The flow direction of the fluid does not need to be controlled through a temperature sensor and an electric control program, and the control mode of the flow direction of the fluid can be simplified.

The invention relates to the technical field of radio frequency microwaves, and provides a broadband hybrid ring coupler which comprises a substrate, and the substrate is provided with a first radio frequency component, a second radio frequency component, a fourth radio frequency component, a first inverting transformer and a third radio frequency component. The first radio frequency component, the second radio frequency component, the fourth radio frequency component, the first inverting transformer and the third radio frequency component are sequentially connected to form a ring; the first anti-phase transformer comprises a first inductor and a second inductor, one end of the first inductor is connected with one end of the fourth radio frequency component, one end of the second inductor is connected with one end of the third radio frequency component, and the other end of the first inductor is connected with the other end of the second inductor and then is grounded. Compared with a traditional hybrid ring coupler, the hybrid ring coupler has the advantages that the size of a circuit is reduced, the design difficulty is simplified, and the working bandwidth of the circuit is effectively widened.

The utility model provides a supercharging unit, an impeller assembly and a fluid pumping system, and the supercharging unit is arranged at the downstream of a blade so as to increase the speed of fluid flowing through the blade; the pressurizing unit comprises a near end and a far end, and the radial size of the near end is larger than that of the far end. According to the impeller assembly, the pressurizing unit pressurizes the fluid flowing through the blades, the fluid pumping flow in unit time is increased, and the pumping efficiency of the impeller assembly is improved.

The invention discloses an axial supporting system of an astronomical telescope mirror surface, which comprises a force sensor, a flexible part, a connecting rod assembly, a fixed structural part and a balancing weight, and can also comprise a force actuator. When the mirror surface is passively supported, passive supporting of the mirror surface is not limited by the number of supports and the positions of the supports, the additional lateral force effect on the mirror surface is avoided, large-proportion force scaling can be achieved, and the shape and the gravity center position of the balance weight do not affect the magnification times of output force. When active and passive integrated supporting of the mirror surface is achieved, a driven power part does not need to be controlled by a control system, a force actuator for correcting the surface shape of the mirror surface only needs to provide a stroke range required by correction force, supporting force of a gravity part of the mirror surface does not need to be overlapped, and the correction precision is high. The passive force generated by the counterweight, the active force of the force actuator and the final output force of the mirror surface axial support system are coaxial, so that the axial support system can be prevented from accidentally generating the radial force effect on the mirror body, and the precision of the correction force required for correcting the surface shape of the mirror surface is ensured.

The utility model provides an automobile combination switch structure which comprises a base, a gear handle assembly is connected to the base, a handle rod is arranged at one end of the gear handle assembly, a first magnet is fixedly arranged on the handle rod, a circuit board assembly is arranged at the position, located above the handle rod, in the base, and a second magnet is fixedly arranged on the circuit board assembly. And a group of first Hall sensors are arranged on the circuit board assembly corresponding to the position above the first magnet. The utility model aims to provide an automobile combination switch structure, and solves the problems that an existing automobile combination switch assembly with a Hall sensor is complex in structure and large in occupied internal space size of a product, and the number of parts is large.

The invention relates to the technical field of offshore mooring systems, and discloses a mooring system initial design method based on a catenary equation, which comprises the following steps: determining basic parameters of a mooring system according to a multi-component catenary equation; based on the basic parameters and the central symmetry problem of the floating foundation, mooring parameters, the horizontal offset of the floating platform under different wind wave flow incidence angles, the load borne by the floating wind turbine generator and the value of the horizontal force borne by the top end of a mooring chain are determined; according to the mooring parameters, the horizontal force borne by the top end of the mooring chain and the load borne by the floating type wind turbine generator, horizontal force balance checking is conducted; the maximum offset of the floating platform is verified, if the maximum offset of the floating platform is equal to the allowable maximum offset of the floating platform, the horizontal length of a mooring chain is compared, and if the maximum offset of the floating platform is not equal to the allowable maximum offset of the floating platform, iterative optimization is carried out; and determining parameters for designing the mooring system according to the mooring parameters in the corresponding states when the horizontal length of the mooring chain is maximum so as to establish the mooring system.

The invention discloses an energy supply transformer and a monitoring system and method. The energy conversion unit comprises a shell, a sealing terminal, and an iron core, a primary winding, a secondary winding, an insulating supporting plate, an insulating limiting plate, an insulating partition plate, an insulating pad and a metal support which are arranged in the shell; the sealing terminal is arranged on the shell and is used for sealing and leading signals in the shell out of the shell; one end of the metal support is fixed with the iron core through the insulation pad, and the other end of the metal support is fixed on the inner wall of the shell; the primary winding and the secondary winding are coaxially arranged with the iron core and are sleeved outside the iron core; the insulating support plate is arranged between the winding and the iron core and fills a gap between the winding and the iron core; the insulating limiting plate and the iron core are coaxially arranged; the insulating supporting plate and the insulating limiting plate are made of high-dielectric-constant materials. And an insulating partition plate is arranged between the primary winding and the secondary winding. The invention aims to solve the problems that a cantilever beam structure is large in stress, poor in heat dissipation performance and large in boundary dimension, and a voltage-sharing capacitor needs to be arranged.

The invention provides a sectional type fan blade and a transportation method thereof. The sectional type fan blade comprises a blade root, the blade root is provided with a framework, and the framework is provided with a plurality of blade sections; the blade sections are connected with the framework through mounting pieces; the blade root is used for connecting a wind driven generator hub; a soft cushion is arranged at the joint of every two adjacent blade sections; the blade section is cylindrical, and the framework penetrates through the blade section. According to the sectional type fan blade, large transportation equipment does not need to be used during transportation, the road environment does not need to be changed during land transportation, the transportation efficiency is higher, the influence of the environment is smaller, and the transportation cost is lower; the fan blade framework and the fan blade are produced and machined in a sectional mode, the machining mode is simple, a large mold does not need to be used, and therefore the machining cost is greatly reduced.