34results about How to "Change the amount of deformation" patented technology

The invention relates to a high-environmental-tolerance air pressure type anemometer. The high-environmental-tolerance air pressure type anemometer comprises a flow guide assembly, an air pressure detection assembly and a pressure stabilizing assembly. The flow guide assembly includes an air duct cavity composed of an upper drainage surface and a lower drainage surface, wherein the upper drainage surface and the lower drainage surface are parallel to each other; the air pressure detection assembly includes a closed cavity, the closed cavity is located in the center of the low drainage surface, the upper portion of the closed cavity is of a spherical surface shape, the spherical surface of the closed cavity is made of a soft film, and a pressure sensor is arranged at the round bottom of the closed cavity; a plurality of air guide plates are arranged between the upper drainage surface and the lower drainage surface in an annular array mode, the axes of the air guide plates are located in the direction of the diameter of the closed cavity, and the plane where the air guide plates are located is perpendicular to a pressure bearing surface; the pressure stabilizing assembly comprises a pressure controller and an air pump, the ultimate bearing pressure of the spherical surface of the closed cavity is A, and actually measured wind pressure is B; when (A-B) / A is smaller than 10 percent, the pressure controller starts the air pump to pressurize the closed cavity; when (A-B) / A is greater than 10 percent, pressurization is stopped.

The invention discloses a miniaturized magneto-electricity energy converter with controllable temperature and controllable stress. The miniaturized magneto-electricity energy converter with the controllable temperature and the controllable stress comprises a magneto-electricity composite structure, an encapsulation shell, an antimagnetic screw, an antimagnetic piston and a plurality of semiconductor temperature control sheets which are arranged on the upper surface of the magneto-electricity composite structure. The magneto-electricity composite structure is a laminated composite structure composed of two pieces of giant magnetostrictive material and a piece of piezoelectric material in a laminated adhesion mode, wherein the piezoelectric material layer is clamped between the two pieces of giant magnetostrictive material. A hole is formed in one side surface of the encapsulation shell and the antimagnetic screw is placed in the hole. The antimagnetic piston makes contact with the upper piece of giant magnetostrictive material and the lower piece of giant magnetostrictive material of the magneto-electricity composite structure, and the antimagnetic piston and the piezoelectric material are arranged in the encapsulation shell in a spaced mode. An antimagnetic spring is arranged between the antimagnetic screw and the antimagnetic piston. A groove is formed in the side face, making contact with the giant magnetostrictive material, of the antimagnetic piston, and one end of the piezoelectric material is arranged in the groove. The upper face and the lower face of the piezoelectric material are coated with metal films serving as electrodes. The metal films are connected with an electrode line. The miniaturized magneto-electricity energy converter with the controllable temperature and the controllable stress has the advantages that the structure is simple, the size is small, use is easy, the use error is small, and the temperature and the pressure are controllable.

The invention discloses a plastic film winding device and relates to the field of plastic manufacture. The plastic film winding device comprises a support, a feed roller, spreading rollers, a discharge roller, and a driving motor that drives the feed roller and the discharge roller to rotate. The feed roller is located between and higher than the spreading rollers that are disposed at a right side of the support. The feed roller rotates faster than the discharge roller. A tensioning roller is disposed between and slightly higher than one spreading roller and the discharge roller. The tensioning roller comprises a roller body, a roller shaft, and end caps fixed to two ends of the roller shaft. The roller body defines an air chamber, and comprises a rubber layer and steel bars fixed thereto. A plurality of bar-shaped grooves are radially formed in each end cap. Ends of the steel bars are embedded in the corresponding bar-shaped grooves. An air hole communicating with the air chamber is formed in the roller shaft, and an air connector is disposed at an end of the roller shaft. The tensioning roller provided in the plastic film winding device has a flexible body, i.e., is capable of deforming under pressure produced by a film; thus, the tension of the film can be controlled within a reasonable range.

The invention relates to a low-wind-resistance anemometer. The low-wind-resistance anemometer comprises a flow guide assembly, a wind pressure detection assembly and a pressure stabilizing assembly. The flow guide assembly comprises an air channel cavity composed of an upper flow guide surface and a lower flow guide surface which are parallel to each other. The wind pressure detection assembly comprises a closed cavity. The closed cavity is located at the center of the lower flow guide surface. The upper portion of the closed cavity is spherical. The spherical surface of the closed cavity is made of a soft thin film. The round bottom of the closed cavity is provided with a pressure sensor. A plurality of wind deflectors are arranged between the upper flow guide surface and the lower flow guide surface in an annular array mode. The axes of the wind deflectors are located in the diameter direction of the closed cavity. The planes where the wind deflectors are located are perpendicular to a pressure borne surface. A plurality of stand columns are arranged between the upper flow guide surface and the lower flow guide surface. The stand columns are arranged around the closed cavity. An annular trapezoidal filter screen is arranged between the edge of the upper flow guide surface and the edge of the lower flow guide surface.

The invention discloses an overload protection type electrical starting duplicate gear and a starting system. The overload protection type electrical starting duplicate gear comprises a duplicate gear shaft, a gear body I and a gear body II, wherein the gear body I and the gear body II are arranged on the duplicate gear shaft in a drive matching mode. The duplicate gear shaft is sleeved with the gear body II so that an inner conical surface of the gear body II and an outer conical surface of the duplicate gear shaft can form a conical surface pair. The gear body II has axial force for locking the conical surface pair and enabling the sliding torsion value of the conical surface pair to be larger than or equal to the electrical starting torsion value. When the reverse dragging phenomenon occurs and the torsion value exceeds the largest static friction force between the conical surfaces due to the fact that an engine suddenly slows down or stops under heavy loads and great inertia in the high-speed running process, the inner conical surface and the outer conical surface can slide, in other words, the gear body II and the duplicate gear shaft can slide relative to each other, and therefore the gear and a starting clutch of the whole electrical starting system can not be damaged, and the overload protection function is achieved. In the use process, the taper angle, the roughness of the conical surfaces and the axial force can be set according to the actual requirements, and therefore the required largest static friction force can be set.

The invention provides a combined rolling body antifriction bearing capable of increasing the contact wrap angles of rolling bodies. The antifriction bearing comprises a bearing inner ring, a bearing outer ring and the combined rolling bodies evenly distributed between the bearing inner ring and the bearing outer ring. The outer surface of each combined rolling body is a surface wear-resistant material layer with the elasticity modulus being E1. The core part of each rolling body is a core part soft base material layer with the elasticity modulus being E2. The surface wear-resistant material layer and the core part soft base material layer of each rolling body are fixedly connected. The thickness H1 of the surface wear-resistant material layers is smaller than the thickness H2 of the core part soft base material layers. In this way, the deformation of the surface wear-resistant material layers with the elasticity modulus being E1 is increased, and E2=E1*(40%-60%). Under the effect of a load, the two kinds of material layers deform at the same time, and thus the contact wrap angles of the rolling bodies and a raceway are effectively increased; meanwhile, the intensity of pressure of the contact positions is reduced, and the problems that the bearing rings are abraded and a lubrication film raptures in an interference state are solved.

The invention discloses automatic pipe fitting cutting equipment with double stations and for screening materials. The automatic pipe fitting cutting equipment comprises a bottom plate, wherein, fouruniversal wheels with brake pads are uniformly installed on the lower surface of the bottom plate, a circular column is arranged on the upper part of the bottom plate, supporting rods at the left andright ends of the circular column are correspondingly and fixedly connected with inner rings of two first bearings, outer rings of the two first bearings are correspondingly and fixedly connected to upper ends of two bending rods, the lower ends of the two bending rods are correspondingly and fixedly connected with the front side of the lower surface of the bottom plate, six cutting pipe placing grooves are formed in the side surface of the circular column around the axis of the circular column, an annular groove is formed in the middle of the side surface of the circular column, a cutting pipe positioning device is installed on the supporting rod at the right end of the circular column, the left end of the upper surface of the bottom plate is fixedly connected with the lower ends of the supporting rods, and screw holes and screw rods on the supporting rods are connected in a threaded mode. After processing, a long pipe and a short pipe automatically receive the materials separately, manual material distribution by the staff is not needed, the working efficiency is greatly improved, and the personal safety of workers is ensured.

The invention discloses a roof solar panel with a telescopic structure, which comprises a device base, a hinge ball, a transmission motor, a transmission rod and an inverter, wherein the transmissionrod is mounted in the center of the top end of the device base, a rotating mechanism is welded to the top end of the device base, and clamping mechanisms are mounted at corners of the bottom end of the device base; anti-collision mechanisms are welded to the two sides of the top end of the device base correspondingly, a first solar panel is arranged above the device base, sliding grooves are formed in the two sides of the interior of the first solar panel correspondingly, sliding rods are installed in the sliding grooves, and transmission motors are installed on the two sides of the interior of the first solar panel correspondingly. Second solar panels are arranged on the two sides of the upper portion of the first solar panel. According to the invention, the stability of the solar panel clamping bracket is improved, the conversion rate of solar energy is improved, and the damage rate of the solar panel is reduced.

The invention relates to the field of medical apparatuses, in particular to an endoscope puncture hole simple suturing device for a surgery. The endoscope puncture hole simple suturing device comprises a puncture needle and an abdominal wall support device, a clamping port for clamping a suture is formed in the end of the puncture needle, and the abdominal wall support device comprises a supporting rod and a cannula sleeving the supporting rod; the supporting rod is provided with puncture holes matched with the puncture needle, a supporting mechanism is arranged at the bottom of the cannula and made from flexible materials, the cannula slides along the supporting rod, and the supporting mechanism is deformed in the radial direction of the supporting rod to form a supporting part used for supporting the abdominal wall; the supporting part is provided with a suture clamping groove used for clamping the suture, the puncture holes are communicated with the suture clamping groove, a sutureend of the suture is reserved outside the abdominal wall in advance, the length of the suture to be pulled to penetrate through the abdominal wall is reduced, and damage of a peritoneum layer cannot be caused; by adjusting the position of the cannula, the supporting range of the supporting mechanism is changed, and the application range of the suturing device is expanded.

The invention discloses a ball feeder for tennis training. The ball feeder comprises a support frame, a ball storage box, a ball conveying pipeline, a power mechanism and a ball hitting structure. A mounting base is arranged in the middle of the support frame and is connected with the power mechanism. The ball hitting structure is connected with the lower portion of the ball conveying pipeline and the power mechanism. A support block on the upper portion of the support frame is connected with the lower portion of the ball conveying pipeline. The hopper-shaped ball storage box is connected with the upper portion of the ball conveying pipeline. Tennis balls are placed in the ball storage box. A temporary storage box used for storing to-be-hit tennis balls temporally is arranged on the lower portion of the ball conveying pipeline. The upper portion of the temporary storage box is connected with the lower end of the ball conveying pipeline through a tapered cavity. A bottom opening is formed in the lower end of the temporary storage box and is matched with the ball hitting structure. The ball feeder has the advantages of simple structure, reliability in use, convenience in disassembling, assembling and carrying, wide speed regulation range, high regulation accuracy and applicability to training requirements of diffident levels of users.

The invention provides a concrete stirring tank outlet inner wall cleaning device and a using method thereof, and relates to the technical field of concrete stirring tank cleaning. In order to improvethe cleaning effect, the cleaning device specifically comprises a connecting base and a first supporting frame, a first rotating base is slidably connected to the inner wall of the first supporting frame, and evenly-distributed connecting rods are fixed to the outer wall of one side of the first rotating base through screws; the using method specifically comprises the following steps that the height of the cleaning base is adjusted, and the first supporting frame and the second supporting frame are lifted to the proper height from the first base and the second base. Due to the fact that the annular corrugated protrusion and the linkage piece are arranged, the spring is always in the stretching state, when the connecting base rotates, the cleaning part can conduct cleaning in the circumferential tangential direction of the outlet of the stirring tank based on the traction force of the spring, cleaning of reciprocating motion in the horizontal direction can be conducted based on the motion trail of the linkage piece, and therefore the cleaning effect is greatly improved.

The invention relates to a micro-injection pump. The micro-injection pump comprises a pump body and a driving device; the pump body is internally provided with a liquid supply cavity, a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with one end of the bottom of the liquid supply cavity, the liquid outlet channel is communicated with the other end of thebottom of the liquid supply cavity, and a liquid inlet pipe is arranged at the tail end of the liquid inlet channel; a liquid outlet pipe is arranged at the tail end of the liquid outlet channel, aninlet one-way valve is arranged on the liquid inlet pipe, an outlet one-way valve is arranged on the liquid outlet pipe, and the driving device comprises a shell, a top cover, a piezoceramic driver, adriving base, connecting arms, a driving rod and an elastic press membrane; the connecting arms are connected between the driving base and the shell, the upper end of the driving base is provided with a mounting groove of a piezoceramic starter, the top cover is arranged at the top of the driving base, the upper end of the driving rod is connected with the lower end of the driving base, the lowerend of the driving rod is connected with one end face of the elastic press membrane, and the other end face of the elastic press membrane and the liquid supply cavity surround a pump cavity. The micro-injection pump has the advantages that the vibration abatement capability is good, and the injection amount is precise.

The invention relates to an anti-fouling type anemograph. The anti-fouling type anemograph comprises a flow diversion assembly and an air pressure detection assembly. The flow diversion assembly comprises an air duct cavity composed of an upper drainage face and a lower drainage face which are parallel to each other. The air pressure detection assembly comprises a closed cavity. The closed cavity is located in the center of the lower drainage face, the upper portion of the closed cavity is spherical, and a pressure sensor is arranged at the round bottom of the closed cavity. The closed cavity is filled with air. An annular filter net is arranged between the upper drainage face and the lower drainage face. The anti-fouling type anemograph further comprises a shell, the shell comprises a circular-truncated-cone-shaped upper shell arranged at the upper portion of the upper drainage face and a lower shell arranged at the lower portion of the upper drainage face, the lower shell comprises an air guide ring and a supporting part, the closed cavity is fixed to the supporting part, the air guide ring is fixedly connected with the supporting part through multiple connecting rods, and an annular dirt discharge cavity with the two open ends is formed between the air guide ring and the supporting part. An annular air guide cavity is formed between the bottom of the upper shell and the upper portion of the air guide ring.

The invention discloses an automatic protection mechanism on a treadmill, which comprises a treadmill platform, brackets and first springs, and further comprises a connecting rod for connecting the brackets on the two sides; the adjusting device is arranged on the connecting rod and comprises a movable supporting seat, and a first spring is arranged between the supporting seat and the treadmill; a driving block and a driving rod are arranged in the driving device, so that the driving device is connected with the treadmill; the connecting pipe is connected with the adjusting device and the driving device. Water in the driving device is driven to be conveyed into the adjusting device through vibration of the treadmill, when the conveying amount is larger than the outflow amount, the supporting base drives the spring to move, the deformation amount generated by the spring is changed, when the supporting base extrudes the pressed plate, the rotating shaft rotates, the adjusting block is pulled through the pull rope, and the output amount is made to be the same as the outflow amount; the driving block moves upwards to open the first one-way valve and moves downwards to close the first one-way valve, the second one-way valve feeds water into the adjusting device under pressure, and the third one-way valve feeds water into the driving device through the water pump.

The invention discloses a miniaturized magneto-electricity energy converter with controllable temperature and controllable stress. The miniaturized magneto-electricity energy converter with the controllable temperature and the controllable stress comprises a magneto-electricity composite structure, an encapsulation shell, an antimagnetic screw, an antimagnetic piston and a plurality of semiconductor temperature control sheets which are arranged on the upper surface of the magneto-electricity composite structure. The magneto-electricity composite structure is a laminated composite structure composed of two pieces of giant magnetostrictive material and a piece of piezoelectric material in a laminated adhesion mode, wherein the piezoelectric material layer is clamped between the two pieces of giant magnetostrictive material. A hole is formed in one side surface of the encapsulation shell and the antimagnetic screw is placed in the hole. The antimagnetic piston makes contact with the upper piece of giant magnetostrictive material and the lower piece of giant magnetostrictive material of the magneto-electricity composite structure, and the antimagnetic piston and the piezoelectric material are arranged in the encapsulation shell in a spaced mode. An antimagnetic spring is arranged between the antimagnetic screw and the antimagnetic piston. A groove is formed in the side face, making contact with the giant magnetostrictive material, of the antimagnetic piston, and one end of the piezoelectric material is arranged in the groove. The upper face and the lower face of the piezoelectric material are coated with metal films serving as electrodes. The metal films are connected with an electrode line. The miniaturized magneto-electricity energy converter with the controllable temperature and the controllable stress has the advantages that the structure is simple, the size is small, use is easy, the use error is small, and the temperature and the pressure are controllable.

The invention discloses an ultrasonic vibrating cylindrical fatigue sample integral type axial texture grinder, relates to the technical field of axial texture grinders, including an ultrasonic generator and a workbench, the top of the slider is fixedly connected with an ultrasonic base, and the ultrasonic base The internal fixed connection has a spring shaft. In the present invention, by setting an ultrasonic generator and adding ultrasonic vibration, the whetstone is vibrated at a high frequency perpendicular to the grinding direction according to a certain frequency and a certain amplitude, thereby improving the processing efficiency, high processing efficiency and making the surface of the metal fatigue sample produce Uniform and fine cut marks, reduced surface roughness, and improved machining accuracy. By setting the spring shaft, the spring outside the spring shaft can be adjusted through the adjustment nut. When grinding, the deformation of the spring can be changed, thereby changing the whetstone. Grinding pressure on metal fatigue samples, and can stabilize the pressure when the position of the adjusting nut remains unchanged to ensure the grinding effect.

The invention discloses a control device for automatically adjusting the pretightening force of a main shaft shaft system, which is provided by installing an outer ring spacer assembly and an inner ring spacer between two adjacent bearings along the axial direction of the main shaft core , the outer ring spacer assembly includes a piezoelectric ceramic spacer, a displacement sensor, an outer ring spacer, and a pressure sensor. By changing the deformation of the piezoelectric ceramic spacer, the height of the outer ring spacer assembly is changed, thereby changing the outer ring spacer. The height difference between the sleeve assembly and the inner and outer spacers in the axial direction changes the interaction force between the outer ring of the bearing and the inner ring of the bearing, that is, the preload of the spindle bearing, and realizes the flexibility of the preload of the spindle bearing. Adjustment can match the lathe processing with the type of parts, and realize the targeted processing of parts. The invention also provides corresponding control system, method, electronic equipment and storage medium.

The invention belongs to the field of a control platform, and particularly relates to an insulated and isolated multidirectional control platform and a control manner thereof. The insulated and isolated multidirectional control platform are characterized in that the insulated and isolated multidirectional control platform comprises an adjusting platform and a power supply system; the platform further comprises a control module which is electrically connected with the power supply system; a sensor module which is electrically connected with the control module; an acting module which is electrically connected with the control module; and a push rod protecting cylinder which is electrically connected with the control module. The push rod protecting cylinder comprises the components of a cylinder body which sleeves the acting module; a position adjusting column which is welded the cylinder body and is electrically connected with the control module; and a water-absorbing cotton roller whichis in snapped connection with the position adjusting column. The water-absorbing roller has functions of absorbing water spots on the push rod, filtering steam and supplying steam. The position adjusting column performs functions of adjusting positions of the water-absorbing roller and the push rod and a distance between the water-absorbing roller and the push rod, changing the deformation amountof the water-absorbing cotton roller and making the water-absorbing roller rotate.

The invention relates to the technical field of gypsum board packaging equipment, and discloses a gypsum board fixing and compressing device which comprises a fixed cross beam capable of being adjusted in a lifting mode, and a plurality of compressing wheel units which are detachably connected with the fixed cross beam; each compressing wheel unit comprises a hanging plate, a rotating shaft and compressing wheels arranged at the two ends of the rotating shaft, and the rotating shaft is hung on the fixed cross beam through the hanging plate; and each compressing wheel is a sun wheel made of a polyurethane material. Reasonable design is carried out aiming at the problem that an existing integrally-designed compressing mechanism is complex and tedious to disassemble and assemble, the corresponding polyurethane sun wheels are installed on the corresponding hanging plate to form the corresponding compressing wheel unit, the multiple compressing wheel units are hung to the fixed cross beam respectively, and the equipment outage time caused by compressing wheel replacement is greatly shortened; and the compressing wheel is the polyurethane sun wheel, the polyurethane sun wheels with different hardness are subjected to actual inspection, appropriate hardness is selected, and the influence caused by inaccurate height adjustment of a board pressing device during gypsum board model changing can be greatly reduced.

The invention provides an optical fiber collimator and a TO packaging alignment device, belonging to the technical field of optical fiber testing, comprising: a base, a first groove suitable for placing an optical fiber collimator on the top surface, and a first groove suitable for placing a TO package Two tanks; the first pressing structure; the second pressing structure. The optical fiber collimator and TO package alignment device provided by the present invention, when the optical fiber needs to be tested, the optical fiber is installed in the collimator first, then the collimator is placed in the first groove, and the TO package is placed in the second groove In the body, after aligning the position, control the first pressing structure and the second pressing structure to press down respectively, and fix the fiber optic sight and the TO package. During the operation, you only need to put the fiber optic sight and the TO package into the The alignment between the optical fiber collimator and the TO package can be completed by touching the corresponding groove body, and the optical fiber can be tested directly through the TO package, which is easy to operate and high in efficiency.

The invention discloses a manual gate valve. The manual gate valve comprises a valve frame; a valve frame cross beam is arranged between the front inner side wall and the rear inner side wall of a valve frame; a sealing ring positioning sleeve is arranged on the upper surface of the valve frame cross beam and internally provided with a sealing cavity; sealing rings are symmetrically arranged in the sealing cavity up and down; by the adoption of the sealing mode of the two sealing rings, good leakproofness is ensured; a plurality of adjusting bolts are arranged, it is ensured that pressure of apressing plate on sealing ring pressing pads is even and stable, reliable sealing is ensured, and the pressure of the pressing plate on the sealing ring pressing pads is changed by adjusting the pretightening force of the adjusting bolts; the pressing plate extrudes the sealing ring pressing pads, the sealing ring pressing pads extrude the sealing rings, the deformation amount of the sealing rings is changed, and reliable sealing of a valve plate is ensured; and the structure is compact and reasonable, an upper cover board is omitted, the production cost is reduced, sealing is more reliable,the fault rate is low, the service life is long, maintenance is convenient, the downtime is shortened, and the cost is saved.

The invention relates to a low wind resistance anemometer, which comprises a flow guide assembly, a wind pressure detection assembly and a voltage stabilizing assembly. It includes a closed cavity, which is located at the center of the lower drainage surface, the upper part of the closed cavity is spherical, the spherical surface of the closed cavity is made of soft film, and a pressure sensor is arranged on the circular bottom of the closed cavity; on the upper drainage surface There are several air deflectors arranged in a circular array between the lower drainage surface and the axis of the air deflector is located in the diameter direction of the closed cavity, and the plane where the air deflectors are located is perpendicular to the pressure sensing surface; between the upper drainage surface and the lower drainage surface A number of columns are arranged, and the columns are arranged around the closed cavity; an annular trapezoidal filter net is arranged between the edge of the upper drainage surface and the edge of the lower drainage surface.

The invention discloses an automatic protection mechanism on a treadmill, comprising a treadmill, a bracket, a first spring, and further comprising: a connecting rod for connecting the two sides of the support; an adjusting device, which is arranged on the connecting rod and includes a movable support The seat, the first spring is arranged between the support seat and the treadmill; the drive device, a drive block and a drive rod are arranged in the drive device to connect with the treadmill; the connecting pipe connects the adjustment device and the drive device. The vibration of the treadmill is used to drive the water in the drive device to the adjustment device. When the conveying volume is greater than the outflow, the support seat drives the spring to move, changing the amount of deformation generated by the spring, and when the pressure plate is squeezed by the support seat, the rotating shaft is moved. Rotate and pull the adjustment block by pulling the rope, so that the output volume is the same as the outflow volume. Set the drive block to move up to open the first one-way valve, move down to close the first one-way valve, and set the second one-way valve to be pressurized. Water is supplied to the regulating device, and a third one-way valve is arranged to supply water to the driving device through a water pump.

The invention relates to an anti-pollution anemometer, which comprises a flow diversion assembly and a wind pressure detection assembly. Cavity, the closed cavity is located in the center of the lower drainage surface, the upper part of the closed cavity is spherical, and a pressure sensor is arranged on the circular bottom of the closed cavity; the closed cavity is filled with gas; it is set between the upper drainage surface and the lower drainage surface There is an annular filter screen; the anemometer also includes a casing, the casing includes a truncated cone-shaped upper casing arranged on the top of the upper drainage surface and a lower casing arranged on the lower part of the drainage surface, the lower casing includes an air guiding ring and a supporting part, and the closed cavity is fixed on On the support part, the air guide ring is fixedly connected to the support part through several connecting rods, and an annular sewage discharge cavity with openings at both ends is arranged between the air guide ring and the support part; between the bottom of the upper shell and the upper part of the air guide ring There is an annular air guide cavity.

The invention relates to a wind pressure anemometer, which comprises a flow diversion assembly and a wind pressure detection assembly. The closed cavity is located in the center of the lower drainage surface. The upper part of the closed cavity is spherical. The spherical surface of the closed cavity is made of soft film. A pressure sensor is installed on the circular bottom of the closed cavity. The pressure sensor includes a circular The pressure sensing surface; the closed cavity is filled with gas, and the spherical soft film of the closed cavity is supported by the aforementioned gas; a number of air deflectors are arranged in a circular array between the upper drainage surface and the lower drainage surface, and the axis of the air deflector is located at In the diameter direction of the closed cavity, the plane where the air guide plate is located is perpendicular to the pressure sensing surface.