63results about How to "Realize rectification" patented technology

The invention discloses a quasi-resonance control circuit and method for zero-voltage switching and a flyback converter. The quasi-resonance control circuit comprises a zero-voltage detection control circuit and a synchronous rectification control circuit. The zero-voltage detection control circuit samples a drain-source voltage of a synchronous rectification tube and outputs a corresponding resonance state detection control signal according to the volume or change rate of the drain-source voltage; the synchronous rectification control circuit receives the resonance state detection control signal; if a primary-side inductor and a junction capacitor of a main power switch tube can not resonate to a zero point, the on time of the synchronous rectification tube is prolonged in the next switching period, and a negative current is generated at the secondary side; the negative current at the secondary side is transmitted to the primary side, and discharge of the junction capacitor of the main power switch tube is accelerated. According to the quasi-resonance control circuit, the negative current at the secondary side is adopted to accelerate the discharge of the junction capacitor at the primary side so that the primary side can resonate to the zero point; consequently, zero-voltage switching is achieved, and switching loss is lowered.

The invention discloses a novel two-stage bidirectional energy storage converter control system and a control method thereof. An energy storage converter main circuit mainly comprises a three-phase voltage type PWM (Pulse Width Modulation) rectifier, a novel half bridge three-level push-pull bidirectional DC-DC converter, a charging-discharging buffer interface circuit for limiting battery charging current, and a battery pack module. A control system circuit mainly comprises a voltage and current sensor, a driving circuit, a protection circuit, a main controller, an SOC (State of Charge) detection module, a radiator, a buzzer, a man-machine interface, a communication interface circuit and a system auxiliary power supply. The alternating-current micro-grid power or voltage and the states of charge of energy storage batteries can be detected in real time, so that the running modes of each generating set and the energy storage converter in a micro-grid system are controlled flexibly, and the effects of 'filling peaks and clipping valleys' in a power system, smoothening power in a wind-solar hybrid micro-grid system and the like are achieved. Moreover, the control system has the advantages of high power density, small size, high efficiency, low harmonic content, high reliability, high self-control degree and the like.

The invention provides an electrical control rectifying valve of a hydraulic electric feed energy shock absorber. The electrical control rectifying valve comprises a hydraulic cylinder, a rectifying valve, pressure sensors of an upper cavity and a lower cavity of a piston, a control unit and guide wires. The working principle of the electrical control rectifying valve includes that energy generated from vibration of the hydraulic cylinder is converted into hydraulic energy, the hydraulic energy is passed in a system via liquid flows, the flowing direction of liquid at the front end of the rectifying valve is judged by utilizing the control unit to compare pressure signals acquired by the upper-cavity pressure sensor and the lower-cavity pressure cavity, the spool position of the rectifying valve is controlled via an electromagnetic valve, liquid flows from a shock absorber cylinder are rectified, the liquid flow rectified is capable of driving a hydraulic motor to work towards another direction to drive a generator to generate power, and thereby vibrating energy is converted into electric energy to be recovered. The electrical control rectifying valve is specially designed for the hydraulic electric feed energy shock absorber, rectifying is realized via controlling an algorithm, over-impact to a spool when the liquid flows reverse is avoided, service life of the valve is prolonged, and meanwhile, a reversing time of the spool is precisely controlled, and the hydraulic energy is fully utilized to recover the vibrating energy.

The invention relates to a production method of an integrated light-emitting diode array chip based on a gallium-nitride-based light-emitting diode. The production method comprises the following steps of: arranging 9 or 12 light-emitting diode units in an array manner to form a 3*3 or 3*4 matrix, and integrating the matrix in a chip; in the integrated chip, etching an insulating sapphire substrate layer through an etching technology to completely separate gallium nitride layers among the units; filling gaps among the units by using an insulating material, and covering the whole chip; opening electrode ports of the units on an insulating layer; connecting the electrode ports of the units in a metal evaporation manner so that the units in the whole chip form a circuit in a serial connection manner; and making P and N routing disc ports at both ends of the chip for accessing other circuits when the capsulation is carried out. The integrated chip produced by the production method has the advantages of high light-emitting strength and high photoelectric conversion efficiency and is beneficial to the capsulation and the design of a drive circuit. The production method is mainly applied to an illumination field.

The invention discloses a mine storage battery electric locomotive mounted charging and driving integrated circuit structure. The structure mainly comprises a storage battery, a supercapacitor, a first DC-DC converter, a second DC-DC converter, an inverter circuit and a driving motor; one end of the first DC-DC converter is connected with the storage battery in series, the other end of the first DC-DC converter is connected with the inverter circuit in parallel, one end of the second DC-DC converter is connected with the supercapacitor in series, the other end of the second DC-DC converter isconnected with the inverter circuit in parallel, and the output end of the inverter circuit is connected with the driving motor in series. When a mine storage battery electric locomotive is in the traction driving state, the storage battery and the supercapacitor supply power to the electric locomotive; when the mine storage battery electric locomotive is in the parking charging mode, the drivingmotor and the inverter circuit form a charging circuit of the electric locomotive. The problem that mine storage battery electric locomotive offline charging equipment is huge and low in charging efficiency is solved, and the mine electric locomotive charging and operation efficiency can be improved.

The invention discloses a dead-zone-free three-phase AC / DC converter with a high-frequency rectifier bridge, belonging to the field of three-phase AC / DC converters. The invention particularly relates to a dead-zone-free three-phase converter topological structure, aiming at being applied to a medium-power and high-power occasions. The dead-zone-free three-phase AC / DC converter reduces the current harmonic content at an AC side and decreases the specification of a filter under the condition of adopting a space vector control algorithm which is the same as that adopted by the traditional three-phase bridge-type converter and can realize bidirectional flow and natural switching of energy without extra switching loss. The dead-zone-free three-phase AC / DC converter comprises a DC-side support capacitor, a three-phase upper bridge arm power transistor, a three-phase lower bridge arm power transistor, a three-phase upper bridge arm freewheel diode, a three-phase lower bridge arm freewheel diode, a three-phase high-frequency rectifier bridge, a three-phase first straight-through prevention filtering inducer and a three-phase second straight-through prevention filtering inducer. The dead-zone-free three-phase AC / DC converter solves the problems of straight-through problem of the bridge arm power transistor of the traditional three-phase voltage source bridge-type converter and the problems of the double voltage reduction type converter which needs to shield redundant switching signals for reducing extra switch loss and zero crossing point distortion.

The invention provides an electric vehicle bidirectional charging discharging system design method. The electric vehicle bidirectional charging discharging system design method comprises steps that S1, an electric vehicle charging discharging model constituted by a line side power supply, a PWM rectifier, a DC-DC converter, and a storage battery is established; the PWM rectifier adopts a three-phase PWM rectifier; S2, a valuing range of a main circuit parameter is determined; the main circuit parameter comprises an AC side inductive parameter and a DC side capacitive parameter; S3, a three-phase PWM rectifier control strategy is set, and theoretical analysis of harmonic characteristics is carried out; S4, a simulation model is established, and the charging discharging system is analyzed, compared, and verified in a simulated way. The electric vehicle bidirectional charging discharging system design method is advantageous in that the three-phase PWM rectifier is used for rectification and inversion, and then network access requirements are satisfied by corresponding current and corresponding voltage without requiring harmonic suppression measures.

The invention discloses an air valve for an axial flow fan, the axial flow fan with the air valve and a cooling tower or an air cooler with the axial flow fan. The disclosed air valve for the axial flow fan comprises a valve body and a plurality of blades, wherein each blade comprises a blade shaft and a main blade; the inner edges of the main blades are fixed with the blade shafts; the valve body comprises an outer barrel and a central seat which are relatively fixed, and the central seat is arranged in the outer barrel; the outer end and the inner end of the blade shaft are respectively and rotatably arranged on the outer barrel and the central seat; and the plurality of blades are radially distributed on the periphery of the central seat. In the disclosed air valve for the axial flow fan, the blades can be matched with the pressure distribution of an air outlet of the axial flow fan, the blade arrangement area corresponds to a positive pressure air exhaust area of the air outlet, and the opening degree of each blade can be better matched with the pressure of the area to reduce the air exhaust resistance of the air outlet so as to reduce the vibration of the blades, lower the noise and the opening pressure of the air valve and improve the working reliability of the air valve.

The invention discloses a building displacement inclination correction method. Frame columns are configured with corresponding displacement tracks, so that the frame columns are subjected to tractiondisplacement at the same time, the frame columns with different settlement differences are lifted at the same time, meanwhile, the settlement differences are reduced, and inclination correction is achieved. Compared with a traditional one-by-one jacking or forced landing method for inclination correction, the efficiency is higher, meanwhile, increasing of the settlement differences of the adjacentframe columns can be avoided through operation, the settlement differences of the adjacent stand columns can be further increased through one-by-one jacking or forced landing, and further damage to the structure is caused. The settlement differences of the frame columns are continuously reduced till the horizontal heights are equal through displacement inclination correction, the inclination correction process is safer, and the structure of a building can be better protected.

The invention discloses a tone regulation and control circuit based on a NE5532 chip; the tone regulation and control circuit comprises the following parts: a pre-stage amplification circuit with twoinput ends respectively connected with a left channel audio signal and a right channel audio signal, the pre-stage amplification circuit comprises an amplifier U1A and an amplifier U1B, the amplifierU1A and the amplifier U1B are integrated in the NE5532chip, and respectively are used for amplifying the left channel audio signals and the R channel audio signals; a tone control circuit with two input ends respectively connected with output ends of the amplifier U1A and the amplifier U1B, the tone control circuit is used for respectively adjusting low pitch, middle pitch and high pitch for the two paths of audio signals amplified by the amplifier U1A and the amplifier U1B; a volume adjusting circuit used for adjusting volumes of the two paths of audio signals. The tone regulation and controlcircuit can better amplify, rectify and filter sounds and make fidelity treatment, and can remove unnecessary interferences, thus further obtaining better sound quality.

The invention discloses a flow scattering device which is arranged on a water distribution pipeline. The flow scattering device comprises a pipeline nozzle and a flow scattering body. The pipeline nozzle is connected with a water distribution hole in the water distribution pipeline. The flow scattering body comprises an outer layer and an inner layer, and the outer layer is fixedly connected with the inner layer through a connection pillar and a clamping groove, wherein the connection pillar and the clamping groove are mutually matched. In addition, the flow scattering body is divided into two segments, one of the segments is a spherical face portion, and the other segment is a radial disc face portion. The pipeline nozzle is connected with the spherical face portion of the outer layer, and a fluid passes through the pipeline nozzle and is scattered through the seam of the inner layer and the outer layer of the flow scattering body. The flow scattering device can be installed on water distribution pipelines of various water distribution devices (such as an eight-square water distribution device and a linear water distribution device). The flow scattering device is simple in structure, not prone to blocking, and capable of effectively increasing the water distribution length and reducing the flowing speed of a water distribution opening.

The invention discloses an active power decoupling device without an additional switching element and a control method therefor. The active power decoupling device is achieved by increasing two additional energy storage capacitors in the topological structure of a conventional single phase current source converter. During each power frequency period, the energy storage capacitors work by turns to complete absorption and release of inherent secondary pulse power of the single phase current source converter. Compared with a conventional active decoupling device, the active power decoupling device provided by the invention requires no additional switching element, thereby helping reducing the system cost and improving the system efficiency. Direct current of the active power decoupling device is timely corrected by a decoupling circuit, and the mean value of voltage of a decoupling capacitor is maintained constant by a rectifier state circuit. The system control is not dependent on accurate system parameters, and the robustness is strong. Only a simple PI controller is required to achieve rapid and error-less tracking of a target, and the controller is easy to design.

The invention belongs to the technical field of aero-engine tests. The invention relates to a rectangular combustion chamber air inlet rectifying device. The device is used for inlet air rectificationof a rectangular combustion chamber. The air inlet rectifying device comprises an upper rectifying wall surface (1), a lower rectifying wall surface (2), a left rectifying wall surface (3) and a right rectifying wall surface (4), wherein the upper rectifying wall surface, the lower rectifying wall surface, the left rectifying wall surface and the right rectifying wall surface enclose a structurewith a channel and a rectangular outer section, the front end of the channel is connected with an air inlet section of a test device, the rear end of the channel is connected with the rectangular combustion chamber, and an arc-shaped convergence channel is arranged at the part, close to the air inlet section, of the inner wall of the channel to form a rectification surface. Aiming at the problem that the air inlet uniformity of a combustion chamber is greatly influenced by the shape of the pipeline of the test device due to the fact that a conventional rectangular combustion chamber casing isprovided with uniform-section channels from front to back, the rectifying device is designed, the rectifying effect on inlet air is achieved through a rectifying molded surface, and the accuracy of atest result can be effectively ensured.

The invention discloses a three-phase active power factor rectification method for realizing the three-phase power factor correction and the three-phase input current harmonics reduction, which comprises the following steps: obtaining an input current average value of two-phase in the n-th PWM period; regulating the obtained control parameter via a PI based on the output voltage; calculating the equivalent rated load resistance on each phase AC side, the equivalent rated load resistance on each phase AC side in the rated power and the duty cycles of three bidirectional switches in the next PWM control period, finally outputting three bidirectional switch duty cycle control signals to control three corresponding bidirectional switches by a DSP control system at the beginning of the next PWM control period. The invention adopts a DSP (Digital Signal Processor) as the control core to realize the three-phase active power factor rectification without an input voltage sensor approaching to the unity power factor.

The invention relates to a rectifier used in a non-contact tag chip, in particular to a CMOS (Complementary Metal-Oxide-Semiconductor Transistor) rectifier. The CMOS rectifier comprises a CMOS rectifier module, a biasing module and a clock signal generation module. The CMOS rectifier can be realized by adopting a common CMOS tube in a standard CMOS process, is suitable for a passive radio frequency identification tag chip, avoids using special appliances such as a Schottky diode and the like and depending on a certain special process, and can effectively lower the cost of the passive radio frequency identification tag chip.

The invention discloses a four-quadrant cascade high-voltage frequency conversion device, which comprises a transformer, three single-phase electric reactors and three groups of power module units, wherein a secondary side of the transformer is provided with three single-phase windings; each group of power module units consists of N module units; each power module unit consists of two identical controllable H-bridge circuits; two input ends and two output end are respectively formed through the two H-bridge circuits; in the same power module unit, the input ends of the power module unit are connected in sequence, and output ends of each power module unit are connected in sequence; and two power modules at the head and the tail are connected with single-phase secondary windings of the transformer. Bidirectional flow of energy between a power grid and a load is realized, the high voltage resistance of the whole frequency conversion device is realized, the defect that a plurality of secondary side windings are adopted in prior art is overcome, and the usage of electric reactors is greatly reduced, so that the whole high-voltage frequency conversion device is relatively simple in structure, low in manufacturing cost, small in volume, heavy in weight and convenient to transport, mount and maintain.

The invention relates to a measuring device for the wind speed and the wind volume. The measuring device comprises an airflow passage, an air inlet is formed in one end of the airflow passage, an air outlet is formed in the other end of the airflow passage, other sides of the airflow passage are sealed, a rectification grid is mounted at the air outlet, pitot tubes are uniformly distributed in the airflow passage, total pressure ends of the pitot tubes are respectively connected with pitot tube total pressure manifolds; static pressure ends of the pitot tubes are connected with pitot tube static pressure manifolds, one end of each pitot tube total pressure manifold penetrates the airflow passage, and is respectively connected with the corresponding total pressure manifold, and one end of each pitot tube static pressure manifold penetrates the airflow passage, and is respectively connected with a corresponding static pressure manifold. The measuring device can be mounted in front of an air flue connected with secondary air nozzles inside a large secondary air bellow of a pulverized coal fired boiler, so that the defect that the large air bellow structure has no straight tube to mount the air speed measuring device is overcome, the secondary air airflow rectification can be realized, the airflow direction in front of a measured original part is stable, and the pitot tubes are connected in parallel to realize multi-point measurement, and the measurement is accurate.

The invention discloses a network security emergency disposal system based on a recurrent neural network model, and the system comprises the following modules: a management center module which is used for carrying out system management and completing the connection and calling of each module; a knowledge database module which is used for storing risk data and expert knowledge data and regularly updating the data; a data acquisition module which is used for monitoring and acquiring network data in real time; a risk detection tool module which is used for carrying out security detection on the network data and carrying out detection and classification on abnormal data; a risk analysis and processing module which is used for analyzing, matching and processing the abnormal data; a data protection module which is used for protecting local data after abnormal data is detected; and a remote connection auxiliary module which is used for realizing remote assisted processing of the security event. The invention has the beneficial effects that the risk database is utilized to construct the recurrent neural network model, so that the risk can be conveniently rectified and corrected in time, and the process of emergency processing vulnerability detection and rectification is greatly reduced.

The invention provides a fault detection circuit and method for self-checking of a frequency mixer. The fault detection circuit comprises a signal conversion and rectification module, a current detection module and a comparison operation module. The connecting relations are shown as follows: the input end of the signal conversion and rectification module is connected with the forward direction of a diode in the frequency mixer, and the output end of the signal conversion and rectification module is connected with the current detection module and the comparison operation module. The signal conversion and rectification module is used for converting input signals into DC signals. The current detection module is used for detecting the amplitude of the DC signals. The comparison operation module is used for judging the amplitude of the DC signals and judging whether the DC signals exist or not. According to the fault detection circuit, the diode in the frequency mixer is introduced into the circuit to achieve rectification on high-frequency signals in the frequency mixer; the current detection module and the comparison operation module in the fault detection circuit conduct amplitude detection and operation processing on the rectified signals, and then the current health condition and fault condition of the frequency mixer can be judged.

The invention discloses a CO boiler-flue gas denitration reactor integrated unit. According to the CO boiler-flue gas denitration reactor integrated unit, a CO boiler and a denitration reactor are arranged in parallel; the CO boiler comprises a first vertical flue, a horizontal flue, and a second vertical flue; an evaporation zone is arranged on the internal upper part of the second vertical flue; the denitration reactor is communicated with the second vertical flue via an inlet flue and an outlet flue; dedusting grilles are arranged below the evaporation zone, and is opposite to an inlet of the inlet flue of the denitration reactor; a dust collecting plate is slantly arranged below the dedusting grilles; a part of the flue wall near the lowest part of the dust collecting plate is provided with a dust outlet; the outlet flue of the denitration reactor is connected with the second vertical flue below the dust collecting plate; and a coal economizer is arranged below the outlet flue. The CO boiler-flue gas denitration reactor integrated unit is capable of realizing denitration of flue gas without influencing recycling of CO boiler flue waste heat, achieving preferable utilization of flue gas waste heat, increasing heat urilization efficiency, and reducing investment.

The invention belongs to the field of oil and gas treatment equipment, and relates to a cyclone oil-gas separator and a separation method. The oleophylic and oleophobic textures are formed in the inner wall surface of a cylindrical cyclone outer cylinder of the separator, the oleophylic and oleophobic texture texture is formed along the rotational flow direction of an oil-gas mixture, and starts from the inlet of the oil-gas mixture and is rotated downwards to the bottom of the cylindrical cyclone outer cylinder; and the second oleophylic and oleophobic texture is vertically arranged in a downward mode and starts at the top of the cylindrical cyclone outer cylinder and terminates at the first oleophylic and oleophobic texture; the first oleophylic and oleophobic texture and the second oleophylic and oleophobic texture both comprise a plurality of oleophylic textures and oleophobic textures which are arranged at intervals. According to the cyclone oil-gas separator, the oleophylic and oleophobic textures are arranged on the inner wall surface of the outer cylinder, so that the technical problem that the separation efficiency is influenced by redrawing oil film into an air phase flowfield due to the fact that a piece of oil film on the inner wall surface of an existing cyclone oil-gas separator is scratched by a rotational flow field to splash the secondary little small oil drops is effectively solved, and the efficiency of the cyclone separator is improved.

Provided is a flow control valve that can effectively reduce the generation of noise due to fluctuations in the pressure or a refrigerant separation phenomenon that may occur while a refrigerant passes through the valve orifice, and also reduces the pressure loss and the like. The flow control valve (1) includes a valve body (5) including a valve chamber (6) and a valve orifice (10); and a valve element (30) with a curved surface portion (33) adapted to change the flow rate of a fluid through the valve orifice (10) in accordance with the lift amount of the valve element (30), the curved surface portion (33) having a curvature or a control angle that is increased continuously or in stages toward the tip end of the curved surface portion (33). The orifice diameter of the valve orifice (10) is sequentially increased in four or more stages in a direction away from the valve chamber (6). Further preferably, V2 > V4 > V3 > V1, where the volumes of the first valve orifice portion (11), the second valve orifice portion (12), the third valve orifice portion (13), and the fourth valve orifice portion 14 are V1, V2, V3, and V4, respectively.

The invention discloses a train phase separation passing converter comprising a base and multiple unit cabinets. Multiple unit cabinets are arranged on the base in parallel. Each unit cabinet comprises a cabinet body, an electric control component, a power module component, a support capacitor, a discharge resistance component, a contactor component, a resonance capacitor and a wiring component. Multiple support beams are arranged in the cabinet body. The electric control component, the power module component, the support capacitor and the electric control component are sequentially installedon the support beams of the cabinet body from top to bottom. The resonance capacitance and the electric control component are installed side by side and located on the rear side of the cabinet body. The discharge resistance component is installed on one side of the cabinet body in front of the contactor component. The wiring component is installed on the rear side of the contactor component. The train phase separation passing converter has the advantages of simple and compact structure, reasonable layout, good expansion performance, good heat dissipation performance and the like.

The invention discloses a direct-current droplet generator and a preparation method thereof. The generator is characterized in that the generator has a structure in which all electrodes are placed above a solid surface and do not need to be grounded, so that the direct-current liquid drop generator can be constructed on any surface including a block body, a thin film and a coating; the droplet generator structure comprises a solid hydrophobic surface, an upper electrode, a collector pin, a lower electrode, an upper electrode lead and a lower electrode lead. The solid surface is a hydrophobic surface made of any artificial or natural materials, the upper electrode and the lower electrode are placed on the solid surface at a certain interval, the current collecting needle can be of an independent conductive tip structure and can also be directly machined on the electrode, and the generator can collect electric energy by impacting the surface through liquid drops. Compared with the prior art, the direct-current droplet generator can be constructed on any solid surface, the collected liquid mechanical energy is converted into the electric energy with the direct-current characteristic, and the direct-current droplet generator has the advantages of being simple in preparation process and low in cost. The open-circuit voltage of the direct-current liquid drop generator is up to kilovolt, a power management circuit is not needed, and the direct-current liquid drop generator can directly drive micro electronic devices to work or charge an energy storage unit. The structure of the direct-current generator has the functions of power generation, rectification and energy storage at the same time, a new technology based on solid-liquid interface water energy collection is developed, and the practical progress of water energy collection is greatly accelerated; meanwhile, the device is also a sensor or a probe. Due to the fact that the device achieves effective separation of charges, the device has extremely high application value in the aspects of droplet energy collection and self-driven sensing.

The invention provides an L-band dual-frequency high-power rectifier circuit .The L-band dual-frequency high-power rectifier circuit includes an upper PCB, wherein the PCB includes a microstrip matching circuit II, a harmonic suppression circuit I, a gate control circuit III and an output filter circuit IV, wherein the microstrip matching circuit II, the harmonic suppression circuit I, the gate control circuit III and the output filter circuit IV are respectively connected with a high electron mobility transistor. An RF signal is inputted from a drain d through a matching circuit and is rectified by the high electron mobility transistor H, the RF signal and a DC signal are superimposed and outputted by the drain d, a DC signal is outputted through a low-pass filter circuit, the RF signal is outputted by a gate g and is finally outputted to a RF load through the harmonic suppression circuit, the harmonic signal is reflected back to a rectifier device through the harmonic suppression circuit and continues to participate in rectification, and thereby the effect of improving rectification efficiency is achieved.

The invention discloses a tail gas purification system and method for recycling smoke waste heat. The system comprises a connecting water pipe, an inlet flue, a washing tower, a hot water storage tankand a hot water pump. A raw smoke heat taker is arranged in the inlet flue, a smoke inlet is formed in the tower wall of the washing tower, a smoke outlet is formed in the top of the washing tower, and a pipe grid layer, a washing and spraying layer, a desizing layer, a liquid receiving layer and a demisting heat taking layer are sequentially arranged in the position, between the smoke inlet andthe smoke outlet, of a tower body of the washing tower from bottom to top. The demisting heat taking layer, the pipe grid layer and the raw smoke heat taker are sequentially connected in series through water pipes. Smoke waste heat is recycled stage by stage through the raw smoke heat taker, the pipe grid layer and the demisting heat taking layer, and waste heat of low-grade industrial tail gas ina tail gas purification tower can be effectively reused.

The invention belongs to the field of gas compressor design, and relates to an adjustable stator blade and casing structure, the adjustable stator blade and casing structure comprises an adjustable stator blade, an inner casing and an outer casing, the inner casing and the outer casing are connected with a blade-shaped support plate, a rotating shaft is mounted in a through hole of the blade-shaped support plate, and outer culvert airflow only contacts with the blade-shaped support plate and does not contact with the rotating shaft, so that the rotating shaft is not contacted with the blade-shaped support plate; when the angle is adjusted, power is transmitted to the rotating shaft through the angle adjusting mechanism, the rotating shaft is located in the through hole and is only influenced by the angle adjusting mechanism so as to drive the blade body to rotate, the angle of the blade body can be adjusted, the rectification effect on inner culvert airflow is achieved, and the rotating shaft of the adjustable stator blade is isolated from outer culvert airflow; according to the adjustable stator blade, the interaction between the rotating shaft and external duct airflow is eliminated, meanwhile, the collision and abrasion problem of the rotating shaft is avoided, the mechanical resistance moment of the adjustable stator blade is in a stable state, and the adjusting precision of the adjustable stator blade is guaranteed.

The invention discloses an oil separation device, a compressor and a vehicle with the compressor. The oil separation device comprises a first shell, a second shell and an oil separation insertion pipe, wherein the first shell is internally provided with a first chamber, and the first shell is provided with a first air inlet communicating with the first chamber; the second shell is arranged on the first shell, the second shell is internally provided with a second cavity, the inner wall of the second cavity is provided with a second air inlet, and the second cavity is provided with an oil discharge opening; and the oil separation insertion pipe is arranged in the second cavity, and an exhaust channel communicating with the second cavity is arranged in the oil separation insertion pipe. According to the oil separation device, the air flow noise is reduced, oil-gas separation and oil recovery are realized, the structure is simple, the occupied space is small, so that when the oil separation device is applied to the compressor, the design of miniaturization, low noise and low oil discharge capacity of the compressor can be realized.