1885 results about "Spoiler" patented technology

The invention belongs to the technical field of engine nacelle part production, and particularly relates to an intelligent welding system and method for an engine nacelle combined type air inlet fairing. An inner spoiler moving groove and an outer spoiler moving groove are machined in the air inlet duct casting blank borne by the air inlet duct positioning assembly through the inner cutting assembly and the outer cutting assembly correspondingly, and the air inlet duct casting blank is formed into an air inlet duct component; a first clamping feeding assembly, a second clamping feeding assembly, a third clamping feeding assembly and a fourth clamping feeding assembly are used for feeding an inner reinforcing part, a heating part, a noise reduction and sound absorption part preassembled with a spoiler assembly and an annular cover plate into a cavity of the air inlet channel component, and the fed parts are welded and fixed into the cavity of the air inlet channel component through a welding assembly; in this way, intelligent welding and assembling operation of the combined air inlet fairing can be achieved, and the combined air inlet fairing has the advantages of being high in structural strength, good in noise reduction and sound absorption effect and capable of achieving automatic deicing of the lip and air inlet distortion control.

The utility model discloses a reaction kettle, comprising: a kettle body, the inner wall of which is fixed with a plurality of flow-interfering protrusions; a stirring assembly, the stirring assembly comprising a stirring drive device and a stirring shaft, the stirring drive device being fixedly mounted on the kettle body, the stirring shaft being connected to the output end of the stirring drive device, the stirring shaft extending into the kettle body, the stirring drive device driving the stirring shaft to rotate, and the stirring shaft being fixed with a plurality of stirring blades. By providing the flow-interfering protrusions, when the stirring assembly is working, the stirring blades will drive the solution in the reaction kettle to rotate, and the solution will pass through the flow-interfering protrusions during the rotation process, and the flow-interfering protrusions will cause the solution to generate more eddies, thereby making the flow of the liquid in the kettle body more turbulent, which is beneficial to the mixing of the solution, thereby increasing the speed of uniform mixing of the raw materials, thereby effectively improving the production efficiency of the factory.

The utility model provides an energy storage high-voltage box and an energy storage system. The energy storage high-voltage box comprises a box body, a heating component set, a heat dissipation assembly and a spoiler, an installation cavity is formed in the box body, the heating component set is arranged in the installation cavity, the heat dissipation assembly is embedded in the wall face of the box body, the heat dissipation assembly comprises a heat absorption part and a heat dissipation part which are connected with each other, the heat absorption part is located in the installation cavity, and the heat dissipation part is located outside the installation cavity. The spoiler is arranged in the mounting cavity and used for driving gas in the mounting cavity to flow. According to the energy storage high-voltage box, the temperature of the box body is reduced, the temperature uniformity in the mounting cavity can be improved, and the temperature of a local position is prevented from being too high.

An aircraft wing has a leading edge, a fixed wing portion and a leading-edge spoiler device. The spoiler device is hingedly mounted relative to the fixed wing portion adjacent the leading edge, moveable between retracted and deployed positions. In the retracted position a spoiler surface forms a continuous surface with a fixed wing portion upper aerodynamic surface, and in the deployed position the spoiler surface is rotated relative to the upper aerodynamic surface. In the retracted position the spoiler surface has a first portion forward of the hinge and a second portion aft of the hinge. A center of pressure of the local wing section acts on the spoiler surface providing a moment about the hinge in a first direction to bias the spoiler device to the retracted position and providing a moment about the hinge in a second, opposite direction, rotating the spoiler device to the deployed position.

The invention relates to the technical field of power modules, in particular to a power module efficient in heat dissipation and low in stray inductance. The power module with high heat dissipation efficiency and low stray inductance comprises a heat dissipation assembly and a DBC. The heat dissipation assembly comprises a base, a groove, an inlet, an outlet, a heat dissipation substrate and a turbulent flow belt. The spoiler unit comprises a first spoiler and a second spoiler. The two ends of each first spoiler are connected with the heat dissipation substrate and abut against the adjacent first spoilers, the arrangement direction of the multiple first spoilers is perpendicular to the arrangement direction of the inlet and the arrangement direction of the outlet, and the second spoilers are located between every two adjacent first spoilers. Cooling liquid is divided into two layers when passing through the turbulent flow belt, and one part of the cooling liquid enters the first turbulent flow plate to be compressed, so that the flowing speed is increased. And the other part of the cooling liquid enters the second spoiler, so that the heat flow exchange area of the cooling liquid and the spoiler belt is increased, and the heat dissipation efficiency is improved.

The invention relates to an offshore wind power pile foundation anti-scouring structure, and belongs to the technical field of offshore wind power construction, and the offshore wind power pile foundation anti-scouring structure comprises a pile foundation main body, a plurality of spoilers, a protective cylinder, a sand seepage cover and filling stones; the pile foundation main body is columnar, and the pile foundation main body is configured to be inserted into a seabed of a preset area; the pile foundation body is sleeved with the protection barrel, one end of the protection barrel is located on a seabed, the other end of the protection barrel is covered with the sand seepage cover, and a plurality of through holes are formed in the barrel wall of the protection barrel. The multiple spoilers are arranged outside the protective cylinder in the circumferential direction of the protective cylinder and connected with the protective cylinder, each spoiler comprises a spoiler vertical plate and a spoiler side plate, the spoiler vertical plate is parallel to the axis direction of the pile foundation body, and an acute included angle is formed between the spoiler side plate and the spoiler vertical plate; the space between the protective cylinder and the pile foundation body is filled with the filling stone, and the beneficial effect of prolonging the service life of the offshore wind power pile foundation is achieved.

A vehicle comprising having a vehicle body including a lower side, a rear quarter window and a rear spoiler garnish, the vehicle defining an inner passenger compartment; a D-pillar garnish configured to be mounted on the vehicle body between the rear spoiler garnish and the lower side of the vehicle, the D-pillar garnish including an outer garnish body having a first predetermined curvature portion; and an inner garnish body. The rear spoiler garnish includes an outer rear spoiler garnish and an inner rear spoiler garnish, the inner rear spoiler garnish having a second predetermined curvature portion. A gap is defined between a rear edge of the outer garnish body and a lower edge of the rear spoiler garnish, and the first predetermined curvature portion and the second predetermined curvature portion defining a convoluted flow path through the gap.

The invention discloses a self-resetting type speed brake handle structure. The middle of the connecting rod (8) penetrates into the rod sleeve (7), the adjusting anti-rotation block (6) and the spring A (4) to be inserted into the positioning pin A (5), the upper end and the lower end of the spring A (4) abut against the adjusting anti-rotation block (6) and the lower end of the rod sleeve (7) respectively, the rolling mechanism (3) is installed at the lower end of the connecting rod (8), the gear plate (1) is installed on the lower end face of the rod sleeve (7), and the rolling mechanism (3) is clamped into a groove formed in the lower end of the gear plate (1). A positioning pin B (10) is installed at the lower end of the gear plate (1) and makes contact with the limiting mechanism (2). The spoiler has a retraction position, the connecting rod can be reset to the retraction position within the range of-5 degrees to 0 degree, the preset function is achieved, the spoiler is rapidly opened, and potential safety risks are avoided under the emergency situation.

The present invention discloses a dynamic composite distortion simulator and a working method thereof in the technical field of aero-engine air inlet and engine matching. The simulator comprises a process air inlet, a spoiler column, a rotary valve and a high-speed motor. The spoiler column is installed inside the process air inlet, and the rotary valve is installed in the cavity of the spoiler column. One end of the rotary valve extending out of the spoiler column is connected to the high-speed motor. Dynamic distortion vortices are formed by utilizing the flow around the column and the rotary valve, and parameters such as the intensity and scale frequency of the vortex change with changes in the motor speed and the angle of attack and height of the spoiler column. This can effectively simulate the dynamic distortion flow field structure generated in the air inlet due to various reasons, overcome the shortcomings of existing simulators in simulating dynamic distortion, form a flow structure similar to the distortion flow field at the outlet of the real air inlet, so as to more realistically simulate the air inlet matching process, significantly improve the experimental efficiency and accuracy, and do not require an external air source.

The invention relates to the technical field of slope repairing equipment, and discloses strip mine waste dump slope repairing equipment and a repairing method.The strip mine waste dump slope repairing equipment comprises a rack and a horizontal plate, one end of the horizontal plate is fixedly connected with a spray-seeding gun, the spray-seeding gun is provided with a pushing sleeve and a positioning sleeve, the pushing sleeve is provided with a turbulent flow assembly, and the positioning sleeve is fixedly connected with the rack; a supporting frame is arranged at the position, corresponding to the spray-seeding gun, of the top of the horizontal plate, supporting plates are vertically connected to the two symmetrical outer side walls of the supporting frame in a sliding mode, the upper ends of the supporting plates are matched with the positioning sleeves in a hinged mode, and inclined guide plates are arranged on the two symmetrical inner side walls of the supporting frame. When the spray-seeding gun reduces the angle to spray soil dressing on the slope near the spray-seeding gun and a guide wheel is in contact with a guide plate to drive a push sleeve, a gap at an opening of two spoilers is reduced, and the soil dressing sprayed by the spray-seeding gun is spoiled and is changed into a fan shape from a water column shape, so that the impact force on the slope is reduced, meanwhile, dispersed spraying is realized, the spraying uniformity is improved, and the service life of the spray-seeding gun is prolonged. And material waste can be reduced.

A spoiler for a vehicle has a first end and a second end and includes a first bracket, and a second bracket is arranged opposite to the first bracket with a chamber defined between the first bracket and the second bracket. An opening of the chamber defined at the second end. Moreover, A third bracket is disposed at the second end and extends between the first bracket and the second bracket. The third bracket comprises a central bracket structure arranged substantially centrally to the spoiler, covering the opening, and a pair of side bracket structures. Each side bracket structure includes a hinge portion adapted to be displaced between an open position and a closed position. In the closed position, the hinge portion covers the opening, while in the open position, the hinge portion allows access to the chamber through the opening.

The invention relates to the technical field of fluid mechanics experiments and wind environment simulation, in particular to an integrated turbulent flow guiding wind speed distribution control wind wall and a control method.The wind wall comprises a mounting frame and a two-dimensional cross turbulent flow module, the mounting frame is of a rectangular frame structure, and the two-dimensional cross turbulent flow module is arranged on the mounting frame; the two-dimensional cross turbulent flow module comprises a plurality of turbulent flow shafts which are arranged vertically and horizontally, a plurality of turbulent flow blades are arranged on the turbulent flow shafts which are arranged vertically and horizontally, and air gaps used for air outlet are formed between the vertically-arranged turbulent flow blades and the horizontally-arranged turbulent flow blades. A fan is arranged right behind the position where each longitudinally-arranged turbulent flow shaft intersects with each transversely-arranged turbulent flow shaft. The control method is applied to the wind wall, and a wind speed gradient and turbulence gradient superposed complex wind field model is constructed by regulating and controlling the rotating speed of the fan and the rotating speed of the turbulence shaft and regulating the wind speed and turbulence in a partitioned and differentiated manner.

The invention discloses a micro-channel cooling turbine blade inner cavity anti-deposition bionic structure design method and system, and relates to the field of turbine blade cooling of aero-engines. The problems of optimizing the wall cooling effect, flow resistance and calculation efficiency of the micro-channel structure are solved. The method comprises the steps that parameterization design is conducted on a bionic turbulent flow structure, and characteristic geometric parameters are obtained; establishing a micro-channel three-dimensional model of the bionic fish scale structure; screening the characteristic geometric parameters as design variables, and designing upper and lower intervals of the variables; taking heat exchange, pressure drop and particle deposition of the micro-channel as optimization targets, adjusting a design variable interval, and constructing a test sample space; performing numerical calculation by using the channel model to obtain a multi-objective optimization parameter value; establishing an agent model between the optimization parameter values and the geometric characteristic parameters; and optimizing by utilizing an agent model and a multi-objective optimization algorithm to obtain the optimal geometric parameters of the bionic fish scale turbulent flow structure, so that the efficient design of the micro-channel structure and the efficient utilization of the cold air consumption are realized.

The invention relates to the technical field of bearing pedestals, and discloses a sliding bearing pedestal which comprises a lower outer ring, an upper outer ring, a lower bearing bush and an upper bearing bush, a cooling pipe is arranged in a containing groove, the outer surface of a turbulent flow shaft is fixedly sleeved with a plurality of turbulent flow blades, and the end, located in a turbulent flow box, of a movable rod is fixedly connected with a rack. The outer surface of the transmission shaft is fixedly sleeved with a transmission gear, one side of the connecting plate is fixedly connected with a triangular block, and the outer surface of the upper bearing bush is fixedly connected with a shifting rod. When the upper bearing bush rotates, a shifting rod is driven to be matched with a triangular block, extrude a connecting plate and enable a rack to move, and is matched with a transmission gear, a driving bevel gear and a driven bevel gear, so that a turbulent flow shaft drives turbulent flow blades to rotate to turbulent flow cooling water in the cooling pipe, and the heat exchange speed between the cooling water in the cooling pipe is increased; the cooling water is fully subjected to heat exchange with heat generated when the bearing seat works, so that the heat exchange efficiency is greatly improved.

A center camera mirror system spoiler mounting for a vehicle that can include a spoiler inner panel, a spoiler outer panel and a camera assembly. The spoiler inner panel can be configured to be mounted onto an exterior panel of the vehicle and the spoiler outer panel can be connected to the spoiler inner panel. The spoiler outer panel can include an outer surface that is an exterior surface of the vehicle, a camera opening passing through the spoiler outer panel, and a first datum. The camera assembly can be fixed to the spoiler inner panel in a predetermined orientation with respect to the spoiler inner panel, and can include a lens, and a second datum engaging the first datum. The lens can be in a predetermined alignment with respect to the camera opening when the second datum engages the first datum.

The utility model relates to the technical field of cold energy recovery equipment, and provides an anti-leakage cold energy recovery device for dry ice production tail gas, which comprises a dry ice production box, a recovery assembly is arranged on one side of the dry ice production box, and the recovery assembly comprises a recovery box, a recovery cavity, a communicating pipe, a flow guide pipe, a turbulent flow structure and a steering pipe. According to the utility model, the turbulent flow structure is arranged, the tail gas produced by dry ice enters the flow guide pipe through the gas inlet pipe, the steering pipe and the communicating pipe, and the connecting plate divides the cavity in the flow guide pipe into two parts, so that the tail gas in the flow guide pipe can be shunted; the split tail gas is blocked through a first turbulent flow block and a second turbulent flow block, so that the passing speed of the tail gas in the flow guide pipe is slowed down, the retention time of the tail gas in the flow guide pipe is prolonged, sufficient heat exchange of the tail gas is guaranteed, cold energy is recycled, and the function of prolonging the heat exchange time of the tail gas is achieved; and the recovery efficiency of the cold energy recovery device in use is improved.

The present application relates to the field of energy storage converters and provides an energy storage converter and energy storage system, wherein the energy storage converter includes: an upper shell and a bottom shell forming a chamber; an inductor and an IGBT module are located in the chamber; a liquid cooling assembly includes: a cooling pipe, a temperature regulating structure, an element cooling channel and a spoiler; the temperature regulating structure includes a plurality of cooling parts, which are connected in series and parallel through cooling pipes; a cooling cavity is provided in the cooling part; the IGBT module corresponds to the cooling part; the element cooling channel and the temperature regulating structure are connected in series through the cooling pipe; the inductor corresponds to the element cooling channel; the spoiler includes a plurality of ring bodies connected to each other, and the spoiler is arranged in the cooling cavity; wherein, in the direction of liquid flow, the total length of the spoiler in the latter cooling part is greater than or equal to the total length of the spoiler in the former cooling part. The energy storage converter provided by the embodiment of the present application can at least solve the problem that the cooling performance of the liquid cooling assembly in the energy storage converter does not match the high thermal management requirements.

The utility model discloses a spoiler with a high disturbance rate. The spoiler comprises a spoiler body and a blocking part, a plurality of circulation parts penetrating through the spoiler body are arranged in the length direction of the spoiler body, each circulation part comprises two circulation assemblies which are symmetrically arranged, and each circulation assembly comprises a first circulation groove and a second circulation groove; and the multiple blocking parts are sequentially arranged on the two sides of the multiple circulation assemblies in a left-right crossed mode, each blocking part comprises a left blocking piece and a right blocking piece, the left blocking pieces extend outwards along the side walls, inclined to the left lower portion, in the first circulation grooves, and the right blocking pieces extend outwards along the side walls, inclined to the right upper portion, in the second circulation grooves. The first blocking piece and the second blocking piece are arranged on the circulation assembly, the first blocking piece and the second blocking piece extend outwards along the left-lower-inclined side walls and the right-upper-inclined side walls of the first circulation groove and the second circulation groove respectively, and water flow can roll up and down and rotate and disturb when sufficiently disturbed left and right. The heat absorption performance of water flow is improved.

The present invention relates to a spoiler for a vehicle and a vehicle equipped with the same. The spoiler comprises a spoiler; a linkage mechanism connected to the spoiler to drive its movement; a base adapted to be fixed to the vehicle's tailgate, the base having a linkage mounting groove formed therein for accommodating the linkage mechanism; and a connecting bracket fixed to the bottom of the linkage mounting groove, securing the linkage mechanism to the tailgate via the connecting bracket. The spoiler of the present invention optimizes the load transfer path and prevents deformation and damage to the tailgate.

The utility model belongs to the technical field of new energy automobiles, and particularly discloses a new energy automobile high-pressure liquid heater which comprises a heater body, a thick film heating plate, a heat insulation plate, a cover plate and an overheating protection circuit which are sequentially installed from bottom to top. The overheating protection circuit comprises four thermistors Rt1, Rt2, Rt3 and Rt4, an N-type MOS tube, a relay KJ, a heating resistance wire Rh, a resistor R1, a resistor R2, a resistor R3, a low-voltage direct-current power supply and a high-voltage direct-current power supply. According to the thick film heating plate, the water-drop-shaped turbulent flow columns and the turbulent flow teeth are arranged, so that the heat conduction efficiency and the heat exchange efficiency of the thick film heating plate in liquid are improved, and better convective heat exchange is realized; and the overheating protection circuit is arranged, so that the reliability of the heater during over-temperature protection is improved, and the heater is not only controlled by software.

The invention relates to an electric spoiler of an automobile, which comprises a lower base assembly fixed on a tail door metal plate; the upper base assembly is connected with the lower base assembly through a section of lifting mechanism assembly; the main spoiler assembly is fixed on the upper base assembly; and the outward opening spoiler assembly is connected with the upper base assembly through a two-section lifting mechanism assembly. Through the cooperation of the first-section lifting mechanism assembly and the second-section lifting mechanism assembly, the purpose of multi-section opening of the automobile spoiler is achieved, the high lifting height and the large overturning angle of the automobile spoiler are achieved, the function of a high-performance vehicle on the spoiler is achieved, meanwhile, when the automobile spoiler is closed, the whole mechanism can be compactly folded, occupied space is reduced, and the cost is reduced. The aesthetics and the space utilization efficiency of the vehicle are improved, and the manufacturing cost and the maintenance difficulty are reduced.

A projectile incorporates one or more spoiler-tabbed spinning disks to effect flow around the projectile and thus impart steering forces and / or moments. The spoiler tabs may be deployed only during steering phases of travel thus minimizing the drag penalty associated with steering systems. The disks are driven by motors and informed and controlled by sensors and electronic control systems. The spoiler tabs protrude through the surface of the projectile only for certain angles of spin of the spinning disk. For spin-stabilized projectiles, the disks spin at substantially the same rate as the projectile, but the disks may function in fin-stabilized projectiles as well. Any number of such spinning flow effector disks may be incorporated in a projectile, with the manner of functional coordination differing slightly for even and odd numbers of disks.

A vehicle has a spoiler fastened to an outer skin component of the vehicle. For this purpose, clip elements are provided on the outer skin component and are in engagement with corresponding mating clip elements of the spoiler. The clip elements have an end stop in a z-direction, which is oriented transversely to the surface of the outer skin component. Between the spoiler and the outer skin component there is an intermediate element, which is elastically compressed in the z-direction and presses the spoiler against the end stop. A method is provided for mounting the spoiler on the vehicle.

The invention discloses a combustion chamber air fairing which comprises a fairing outer cylinder (1) and a guide plate (2), the guide plate (2) is located on the radial inner side of the fairing outer cylinder (1), at least part of the guide plate (2) is a curved surface, a plurality of through holes are formed in the fairing outer cylinder (1), and the combustion chamber air fairing is characterized by further comprising a plurality of partition plates (3) connected to the fairing outer cylinder (1) and the guide plate (2) and further comprising spoilers (4). The problems that uniformity of air flowing into different nozzles from a fairing is poor, a thin-wall structure of the fairing is prone to being damaged during operation, and the mixing effect of air and fuel in a combustion chamber is common are solved, meanwhile, vortex and turbulent flow of the air before the air enters the nozzles are reduced, air flowing is more stable, energy loss in the combustion chamber is reduced, combustion efficiency is improved, and the service life of the combustion chamber is prolonged. The stability and the uniformity of the combustion process are ensured; the invention further discloses a combustion chamber with the combustion chamber air fairing.

The invention provides an empennage adjusting method and system for a vehicle. The method comprises the steps that the vehicle speed and one or more environment parameters about the surrounding environment of the vehicle are obtained; determining an up-and-down opening angle and a left-and-right roll angle of the tail wing of the vehicle based on the vehicle speed and the one or more environmental parameters; and automatically adjusting the empennage based on the determined up-and-down opening and closing angle and the determined left-and-right inclination angle. In addition, the invention further provides a vehicle supporting the empennage adjusting function.

The utility model belongs to the technical field of test boxes, and particularly relates to a high-low temperature test box with uniform heating. Comprising test cavities which are arranged in a test box at intervals left and right; a placement net plate is embedded in the bottom of the test cavity; the fans are arranged below the placing net plate in a bilateral symmetry manner; the air inlet end of the fan is communicated with the test cavity through the placing screen plate, and the air outlet end of the fan is communicated with the air duct cavity; the air duct cavities are distributed on the left side wall and the right side wall of the test cavity in a bilateral symmetry manner; a spoiler is vertically and obliquely arranged in the air duct cavity, and an air distribution plate is arranged at the air return end of the air duct cavity. According to the utility model, through the arrangement of the spoiler and the air distribution plate in the air duct cavity, high and low temperature airflow with uniform airflow distribution can be provided for the interior of the test cavity, so that the temperature rise rates of different areas are consistent, and the uniform heating effect during product testing is further improved.

The invention discloses a carbonizer and a sparkling water machine, and relates to the technical field of beverage equipment.The carbonizer comprises a main body, and a mixing flow channel is arranged in the main body in a snakelike mode; wherein the mixing flow channel comprises a suction section and a turbulent flow section, the suction section is used for mixing gas and liquid, the turbulent flow section is used for generating turbulent flow to increase the contact area of the gas and the liquid, and a plurality of turbulent flow columns and a plurality of pairs of turbulent flow protrusions are arranged in the turbulent flow section in the gas-liquid flowing direction. The turbulent flow columns are arranged on the bottom wall of the turbulent flow channel, the turbulent flow protrusions are arranged on the side wall of the turbulent flow channel, the turbulent flow columns and the multiple pairs of turbulent flow protrusions are arranged alternately, and the cross section of each turbulent flow column in the length direction is triangular. According to the technical scheme provided by the invention, the dissolution rate and solubility of carbon dioxide in water are improved by adopting the matching of the turbulent flow columns and the turbulent flow bulges, so that the concentration of carbon dioxide in the final finished product bubble water is improved.

Air guiding device in the rear area of ​​a motor vehicle with a hatchback, comprising a spoiler which can be transferred from a rest position into an operating position and vice versa by means of an adjusting device, wherein the spoiler (16) is integrated in the rear area of ​​the roof and wherein at least a part of the roof spoiler (16) can be adjusted translationally beyond the end of the roof by means of the adjusting device, wherein the roof spoiler (16) consists of a base body (18) which has triangular surface elements (20) at its lateral ends, which are part of the D-pillar of the motor vehicle, wherein the roof spoiler (16) has a spoiler extension (22) which can be moved translationally on the base body (18), and wherein the base body (18) has a linear guide (24, 26) for the spoiler extension (22) at each of its two lateral ends.

The diaphragm pump comprises a pump head, the pump head is provided with a liquid inlet, a liquid outlet, a liquid inlet cavity communicating with the liquid inlet, a liquid outlet cavity communicating with the liquid outlet and an extrusion cavity communicating with the liquid inlet cavity and the liquid outlet cavity, and the diaphragm pump further comprises a rolling turbulent flow piece arranged in the liquid inlet cavity and / or the liquid outlet cavity. The rolling turbulent flow piece can roll in the liquid inlet cavity and / or the liquid outlet cavity under the impact of water flow, and turbulent flow is conducted on the water flow; the utility model further discloses a water purifier which comprises the diaphragm pump. Through the arrangement of the rolling spoiler, when water flow moving at a high speed makes contact with and collides with the rolling spoiler, kinetic energy of water flow is converted into motion kinetic energy of the rolling spoiler, so that fluid with a slow flow speed does not cause large vibration of the cavity wall when the fluid collides with the cavity wall; meanwhile, friction noise generated when the water flow flows through the cavity wall is correspondingly reduced, and an excellent water flow noise reduction effect is achieved in a high-flow-speed machine according to the technical scheme.

The utility model provides a spoiler structure and an automobile wind-feeling-free air outlet. The spoiler structure comprises a middle shaft and a plurality of spoilers arranged on the middle shaft. When air flow passes through the air channel, the air flow needs to penetrate through the spoilers, and when the central axis faces of the spoilers are arranged to form acute angles or obtuse angles relative to the central axis, and the spoilers with certain angles rotate, the air flow penetrating through the spoilers can be continuously disturbed, and the direction of the air flow is continuously changed. When the air flow disturbed by the spoiler is led out from the air duct, the blowing disturbance feeling to passengers is weakened, so that the air duct still has a strong wind-feeling-free function under the condition that the occupied space of the air duct is small.