阅读说明：本技术 一种自动识别切变线的方法 (Method for automatically identifying shear line ) 是由 潘涛 钱胜利 胡威 吴战昊 于 2020-12-28 设计创作，主要内容包括：本发明属于气象检测技术领域,具体的说是一种自动识别切变线的方法,所述球载机构包括球体、防风罩和尾翼；所述球体为圆柱形空腔式结构体；所述球体内腔中充斥有氦气；所述防风罩为网格状结构体；所述尾翼固连于球体一端；所述尾翼数量为三且相互间隔120°；所述尾翼内部中空设计；位于所述球体上方的尾翼空腔内充斥有氮气、位于球体下方的两个尾翼空腔内填充有空气；本发明通过移动板的移动,带动支撑轴和充气片进行收缩,进而使顺应气流流向的球载机构受气流冲击的面积减小,进而有效地降低高空气流对球载机构冲击力过大,一方面对系留绳的拉力过大,导致系留绳存在断裂的可能,进而导致球载机构遗失,造成不必要的经济损失。(The invention belongs to the technical field of meteorological detection, and particularly relates to a method for automatically identifying a shear line, wherein a spherical carrying mechanism comprises a sphere, a windshield and a tail wing; the sphere is a cylindrical cavity type structure body; helium is filled in the inner cavity of the sphere; the windshield is a grid-shaped structure; the tail wing is fixedly connected to one end of the sphere; the number of the tail wings is three, and the tail wings are spaced by 120 degrees; the interior of the empennage is hollow; the tail wing cavities above the ball body are filled with nitrogen, and the two tail wing cavities below the ball body are filled with air; according to the invention, the moving plate moves to drive the supporting shaft and the inflatable sheet to contract, so that the area of the ball-carrying mechanism which is in compliance with the airflow flow direction and is impacted by the airflow is reduced, and further, the possibility that the mooring rope is broken due to overlarge tension of the mooring rope caused by overlarge high-altitude airflow on the ball-carrying mechanism is effectively reduced, and further, the ball-carrying mechanism is lost, and unnecessary economic loss is caused.)

1. A method for automatically identifying a shear line is characterized by comprising the following steps: the method for automatically identifying the cutting line comprises the following steps:

s1: dividing a sky wind field according to warps and wefts, wherein the distances between every two adjacent warps and wefts are the same, dividing the sky wind field into a grid structure, and setting grid intersections as nodes;

s2: establishing monitoring points on the ground, wherein the monitoring points correspond to the nodes one to one, positioning floating air balls are arranged in the monitoring points, the positioning floating air balls are controlled to transmit a wireless signal to the ground once at an interval of 5min, and a ground receiving device establishes a wind vector model according to the wireless signal, the node angle and the distance deviation;

s3: projecting the wind vector model on an XY plane in parallel to obtain parallel wind vectors, measuring and calculating the parallel wind vectors on the nodes to obtain a wind diagram, measuring and calculating the wind flow direction in a wind field according to the wind diagram, identifying the opposite wind flow direction, and measuring and calculating a boundary line between the wind diagram and the opposite wind flow direction to obtain a shear line;

the positioning floating air ball in the S2 comprises a ball loading mechanism, an adjusting mechanism and a connecting mechanism;

the ball-mounted mechanism comprises a ball body (1), a windshield (2) and a tail wing (11); the sphere (1) is a cylindrical cavity type structure body; helium is filled in the inner cavity of the sphere (1); the windshield (2) is a grid-shaped structure; the tail wing (11) is fixedly connected with one end of the sphere (1); the number of the tail wings (11) is three, and the tail wings are spaced by 120 degrees; the interior of the tail wing (11) is hollow; the cavities of the empennage (11) above the sphere (1) are filled with nitrogen, and the cavities of the two empennage (11) below the sphere (1) are filled with air;

the adjusting mechanism comprises a connecting plate (3), a supporting shaft (32), an inflatable sheet (33) and a moving plate (36); one side of the ball body (1) fixedly connected with the tail wing (11) is inwards sunken to form a first groove (12); the connecting plate (3) is fixedly connected in the first groove (12); one side of the connecting plate (3) far away from the sphere (1) is fixedly connected with evenly distributed connecting pieces (31); the connecting pieces (31) are all hinged with a supporting shaft (32); the edge of the sphere (1) positioned in the first groove (12) is fixedly connected with uniformly distributed inflatable sheets (33); the inner parts of the inflatable sheets (33) are designed to be hollow; the inner cavity of the inflatable sheet (33) is communicated with the inner cavity of the sphere (1); the inflatable sheets (33) correspond to the supporting shafts (32) one by one; one side of the support shaft (32) far away from the inflating sheet (33) is provided with first sliding grooves (34) which are uniformly distributed; a connecting rod (35) is connected in the first sliding chute (34) in a sliding manner; one side of the connecting rod (35) far away from the supporting shaft (32) is fixedly connected with a moving plate (36) together; the moving plate (36) is elastically connected with the connecting plate (3) through a spring; in the initial state, the moving plate (36) is tightly attached to the connecting plate (3) under the action of spring tension, and the inflatable sheet (33) is obliquely connected with the sphere (1) under the drive of the supporting shaft (32);

the connecting mechanism comprises a positioning plate (4), a mooring rope (41) and a cable (42); the positioning plate (4) is fixedly connected to one side of the sphere (1) far away from the tail wing (11); one side of the positioning plate (4) far away from the sphere (1) is fixedly connected with a mooring rope (41) and a cable (42); the mooring rope (41) is used for connecting the ball-carrying mechanism with the ground fixing device, and the cable (42) is used for transmitting current to the positioning floating air ball; and the positioning plate (4) and the moving plate (36) are fixedly connected with a positioner.

2. The method of claim 1, wherein the step of automatically identifying the cut line comprises: a corrugated pipe (5) is fixedly connected between the connecting plate (3) and the moving plate (36); the corrugated pipe (5) is communicated with the inner cavity of the sphere (1) through a connecting pipe (51); a rubber plug (52) is fixedly connected in the connecting pipe (51); the rubber plug (52) is provided with a conical hole; the opening of the conical hole close to the corrugated pipe (5) is larger than the opening of the conical hole close to the ball body (1).

3. The method of claim 2, wherein the step of automatically identifying the cut line comprises: the center of the connecting plate (3) is fixedly connected with a test rod (53); the moving plate (36) is provided with a through hole corresponding to the test rod (53); and a displacement sensor (54) is fixedly connected to the moving plate (36).

4. A method of automatically identifying a cut line according to claim 3, wherein: the inflatable sheet (33) is designed in an arc shape; the arc-shaped opening of the inflating sheet (33) is far away from the supporting shaft (32); one side of the inflatable sheet (33) far away from the supporting shaft (32) is fixedly connected with an elastic sheet (55); the elastic sheet (55) is made of spring steel material; the elastic sheet (55) is matched with the inflatable sheet (33).

5. The method of claim 1, wherein the step of automatically identifying the cut line comprises: the windshield (2) is formed by a framework (21) and a fiber net together; the framework (21) is hinged into an umbrella-shaped structure by a plurality of guide rods; the fiber net is fixedly connected in the gap of the framework (21); one sides of the frameworks (21) far away from the empennage (11) are mutually connected in a rotating way; one side of the framework (21) close to the tail wing (11) is fixedly connected with the movable plate (36) through an elastic belt; the framework (21) is fixedly connected with an extension shaft (22); the extension shaft (22) extends to the inner cavity of the sphere (1); the extension shaft (22) is fixedly connected with the connecting plate (3) and used for supporting the framework (21).

6. The method of claim 1, wherein the step of automatically identifying the cut line comprises: the bottom of the positioning plate (4) is fixedly connected with a universal rod (43); the universal rod (43) is in a spherical design at one side far away from the positioning plate (4); a bearing seat (44) is fixedly connected to one side, close to the universal rod (43), of the mooring rope (41); a rotating groove (45) is formed in the upper surface of the bearing seat (44); the universal rod (43) is rotatably connected in the rotating groove (45); the bearing seat (44) and the universal rod (43) are jointly provided with a conduction groove (46); the cable (42) is slidably mounted in the guide slot (46).

Technical Field

The invention belongs to the technical field of meteorological detection, and particularly relates to a method for automatically identifying a shear line.

Background

In the prior art, in order to automatically identify the change rule of the shear line in the high altitude, the wind direction is mostly measured at 800 Hpa-750 Hpa, and then the formation of the shear line is measured and calculated by utilizing the impact direction and the size of the air current, in the prior art, the wind direction in the high altitude is mostly measured and calculated by flying a meteorological balloon, and the position detection is carried out by a positioning radar on the ground, so that the average wind speed and the wind direction of the meteorological balloon in the high altitude are measured and calculated, but the flowing of the air current in the high altitude has mutability, the flying place of the meteorological balloon is mostly determined by the meteorological detector according to the experience, and the meteorological balloon is subjected to the action of external force in the rising process, so that the meteorological balloon deviates from the track, the detected high altitude wind direction is distributed in a wind field to have insufficient uniformity, and the data accuracy of the measurement and the measurement.

A captive balloon issued by Chinese patent, application number: CN2018107932382, which comprises a main body, a load and an anchoring system, wherein the main body is provided with gas, the main body comprises a bottom surface and a top surface, the bottom surface is a plane and is circular, the top surface is a cambered surface, the top surface is connected with the bottom surface, the load is suspended under the bottom surface, the load is connected with the main body through cables, the number of the cables is at least three, each cable is respectively connected with the main body and the load, and the cables are arranged at intervals. However, the stream balloon in the invention is not suitable for wind direction detection due to poor steering capability.

In view of the above, the present invention develops a method for automatically identifying a shear line, so as to solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that the traditional meteorological detection method is easy to cause insufficient uniformity of data acquisition in a wind field when the cut line is used for identifying and acquiring wind direction data in the prior art, and the sensitivity of a captive balloon rotating along with air flow in the air is insufficient when the captive balloon is used for detection, the invention provides the method for automatically identifying the cut line.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a method for automatically identifying a cutting line, which comprises the following steps of;

s1: dividing a sky wind field according to warps and wefts, wherein the distances between every two adjacent warps and wefts are the same, dividing the sky wind field into a grid structure, and setting grid intersections as nodes;

s2: establishing monitoring points on the ground, wherein the monitoring points correspond to the nodes one to one, positioning floating air balls are arranged in the monitoring points, the positioning floating air balls are controlled to transmit a wireless signal to the ground once at an interval of 5min, and a ground receiving device establishes a wind vector model according to the wireless signal, the node angle and the distance deviation;

s3: projecting the wind vector model on an XY plane in parallel to obtain parallel wind vectors, measuring and calculating the parallel wind vectors on the nodes to obtain a wind diagram, measuring and calculating the wind flow direction in a wind field according to the wind diagram, identifying the opposite wind flow direction, and measuring and calculating a boundary line between the wind diagram and the opposite wind flow direction to obtain a shear line;

the positioning floating air ball in the S2 comprises a ball loading mechanism, an adjusting mechanism and a connecting mechanism;

the ball-mounted mechanism comprises a ball body, a windshield and a tail wing; the sphere is a cylindrical cavity type structure body; helium is filled in the inner cavity of the sphere; the windshield is a grid-shaped structure; the tail wing is fixedly connected to one end of the sphere; the number of the tail wings is three, and the tail wings are spaced by 120 degrees; the interior of the empennage is hollow; the tail wing cavities above the ball body are filled with nitrogen, and the two tail wing cavities below the ball body are filled with air;

the adjusting mechanism comprises a connecting plate, a supporting shaft, an inflating sheet and a moving plate; one side of the ball body fixedly connected with the tail wing is inwards sunken to form a first groove; the connecting plate is fixedly connected in the first groove; one side of the connecting plate, which is far away from the ball body, is fixedly connected with evenly distributed connecting pieces; the connecting pieces are all hinged with a supporting shaft; the edge of the sphere positioned on the first groove is fixedly connected with uniformly distributed inflatable sheets; the inner parts of the inflatable sheets are all designed to be hollow; the inner cavity of the inflatable sheet and the inner cavity of the sphere are in a conduction design; the inflatable sheets correspond to the supporting shafts one by one; one side of the support shaft, which is far away from the inflatable sheet, is provided with first sliding chutes which are uniformly distributed; a connecting rod is connected in the first sliding chute in a sliding manner; one sides of the connecting rods, which are far away from the supporting shaft, are fixedly connected with a movable plate together; the moving plate is elastically connected with the connecting plate through a spring; in the initial state, the movable plate is tightly attached to the connecting plate under the action of the tension of the spring, and the inflatable sheet is obliquely connected with the ball body under the drive of the support shaft;

the connecting mechanism comprises a positioning plate, a mooring rope and a cable; the positioning plate is fixedly connected to one side of the ball body, which is far away from the tail wing; one side of the positioning plate, which is far away from the ball body, is fixedly connected with a mooring rope and a cable; the mooring rope is used for connecting the ball-carrying mechanism with the ground fixing device, and the cable is used for transmitting current to the positioning floating air ball; the positioning plate and the moving plate are fixedly connected with a positioner;

in the prior art, in order to automatically identify the change rule of the shear line in the high altitude, the wind direction is mostly measured at 800 Hpa-750 Hpa, and then the formation of the shear line is measured and calculated by utilizing the impact direction and the size of the air current, in the prior art, the wind direction in the high altitude is mostly measured and calculated by flying a meteorological balloon, and the position detection is carried out by a positioning radar on the ground, so that the average wind speed and the wind direction of the meteorological balloon in the high altitude are measured and calculated, but the flowing of the air current in the high altitude has mutability, the flying place of the meteorological balloon is mostly determined by the meteorological detector according to the experience, and the meteorological balloon is subjected to the action of external force in the rising process, so that the meteorological balloon deviates from the track, the detected high altitude wind direction is distributed in a wind field to have insufficient uniformity, and the accuracy of the measured and calculated data is;

when the invention works, the wind field is divided according to the longitude and latitude lines, the nodes are accurately determined through the intersection of the longitude and latitude lines, the monitoring points are arranged on the corresponding nodes on the ground, the positioning floating air balls are arranged in the monitoring points, the ball-carrying mechanism is fixedly connected with the fixing device on the ground by using the mooring ropes, the ball-carrying mechanism is positioned by using the mooring ropes, meanwhile, the ball body in the ball-carrying mechanism is filled with helium, so that the ball-carrying mechanism has upward floating power, the ball-carrying mechanism is released along with the length of the mooring ropes and floats in high altitude under the action of buoyancy, when air current flows in the high altitude, the tail part of the ball body is stressed greatly due to the existence of the tail wing in the flowing process of the air current, so that the ball body conforms to the flowing direction of the air current, meanwhile, the tail wing positioned above is filled with helium, and the tail wing below is filled with air, and further effectively utilizing the buoyancy of the upper tail wing to enhance the stability of the sphere, along with the continuous impact of the airflow, the inflatable sheet which is unfolded under the action of the support shaft in the initial state is impacted by the airflow, so that the inflatable sheet drives the support shaft to rotate towards the axis direction of the sphere, when the support shaft rotates relative to the connecting plate, the connecting rod which is positioned in the first chute slides towards one side far away from the sphere gradually in the process of mutual folding of the support shaft, so that the moving plate which is fixedly connected with the connecting rod moves towards one side far away from the sphere, and further the ball loading mechanism which is small in head and large in tail is in a cylindrical streamline shape in the initial state, when the flow velocity of the middle airflow is slow, the support shaft drives the inflatable sheet to support, so that the sensitivity of the ball loading mechanism to the airflow direction is enhanced, the sensitivity of the ball loading mechanism to rotate along with the airflow direction is higher, and when the airflow velocity is too, the moving plate moves to drive the supporting shaft and the inflating sheet to contract, so that the area of the ball-mounted mechanism which is in compliance with the airflow flow direction and is impacted by the airflow is reduced, the impact force of high-altitude airflow on the ball-mounted mechanism is effectively reduced, on one hand, the possibility of breakage of the mooring rope is caused due to overlarge tension of the mooring rope, and further the ball-mounted mechanism is lost, so that unnecessary economic loss is caused.

Preferably, a corrugated pipe is fixedly connected between the connecting plate and the moving plate; the corrugated pipe is communicated with the inner cavity of the sphere through a connecting pipe; a rubber plug is fixedly connected in the connecting pipe; the rubber plug is provided with a conical hole; the opening of the conical hole close to one side of the corrugated pipe is larger than the opening of the conical hole close to one side of the ball;

when the pneumatic ball loading mechanism works, the supporting shaft and the inflatable sheet rotate towards the axial direction of the ball under the action of wind force, so that the connecting rod drives the movable plate to move towards one side away from the connecting plate, after the connecting plate is separated from the movable plate, the corrugated pipe extruded by the connecting plate and the movable plate loses pressure in an initial state, and forms negative pressure along with the increase of the distance between the connecting plate and the movable plate in the extending process of the corrugated pipe, so that helium in the ball is extracted, on one hand, the air pressure in the ball is reduced, the reduction of the air pressure outside the ball caused by the flowing of external wind force is avoided, and the ball is further burst and damaged under the action of the internal and external air pressure, meanwhile, the helium in the ball is extracted by the corrugated pipe, so that the cylindrical ball contracts, the length of a streamline structure formed by the ball loading mechanism is increased, the diameter of the streamline, effectively reducing the tension on the mooring rope.

Preferably, the center of the connecting plate is fixedly connected with a test rod; the moving plate is provided with a through hole corresponding to the test rod; a displacement sensor is fixedly connected to the moving plate; when the device works, the rotation degree of the inflatable sheet and the supporting shaft is increased along with the increase of the wind speed, so that the moving distance between the connecting rod and the moving plate is increased, the cross section of the ball loading device is relatively reduced, the moving of the moving plate is used for driving the displacement sensor to move different distances on the testing rod, the displacement sensor outputs different displacement signals, the relation between the moving degree of the moving plate and the wind speed is effectively utilized for measurement and calculation, the wind speed is roughly measured and calculated, and the measurement and calculation of the tangent line are promoted.

Preferably, the inflatable sheet is arc-shaped; the arc-shaped opening of the inflatable sheet is far away from the support shaft; one side of the inflating sheet, which is far away from the supporting shaft, is fixedly connected with an elastic sheet; the elastic sheet is made of spring steel material; the elastic sheet is matched with the inflatable sheet;

the during operation, establish as the arc through aerifing the piece, when the ball carries the mechanism to comply with the wind direction, aerify a piece arc opening and wind direction opposition, and then utilize wind-force will aerify the increase of piece opening, the effect of stopping to wind-force of reinforcing, and then the reinforcing is to the sensitive degree of weak wind, simultaneously when the ball carries the mechanism and is reverse with the wind direction, aerify the piece and fold relatively under the effect of wind force, and then the ball of being convenient for carries the mechanism to rotate under the effect of wind force, and then the ball of being convenient for carries the mechanism to comply with the wind direction, the elastic sheet that uses the spring steel to make links firmly with aerifing the piece simultaneously, strengthen effectively and aerify the piece and receive the wind.

Preferably, the windshield is formed by a framework and a fiber net together; the framework is in an umbrella-shaped structure formed by mutually hinging a plurality of guide rods; the fiber net is fixedly connected in the framework gap; the sides of the framework, far away from the empennage, are mutually and rotatably connected; one side of the framework, which is close to the tail wing, is fixedly connected with the movable plate through an elastic belt; the framework is fixedly connected with an extension shaft; the extension shaft extends to the inner cavity of the sphere; the extension shaft is fixedly connected with the connecting plate and used for supporting the framework;

the during operation, through setting up the windshield, cup joint the windshield at the spheroid outward appearance, the outer skeleton of effectual utilization is restricted spheroidal shape, on the one hand the effectual inflation rate that slows down the spheroid in the low pressure area, simultaneously effectual supporting role to the spheroid when the wind speed is higher, avoid the spheroid to receive wind-force to influence self shape irregular change, simultaneously when movable plate and connecting plate alternate segregation, movable plate pulling elastic webbing, make elastic webbing pulling skeleton, and then make the skeleton that articulates take place deformation, simultaneously because extend the supporting role of axle, and then make skeleton streamline type deformation, extrude the spheroid when the skeleton warp, and then make the windage of spheroid in high wind speed area itself littleer, and then reduce mooring rope pulling force.

Preferably, the bottom of the positioning plate is fixedly connected with a universal rod; the universal rod is in a spherical design at one side away from the positioning plate; one side of the mooring rope, which is close to the universal rod, is fixedly connected with a bearing seat; the upper surface of the bearing block is provided with a rotating groove; the universal rod is rotatably connected in the rotating groove; the bearing seat and the universal rod are jointly provided with a conduction groove; the cable is slidably mounted in the conduction groove;

during operation, through setting up universal rod and bearing frame, can the free rotation between the ball that makes the locating plate on link firmly carries the mechanism and the bearing frame, simultaneously, offer the conduction groove in universal rod and bearing frame inside, make the cable extend to the mechanism is carried to the ball through the conduction groove, and then make and separate between mooring rope and the cable, when residing in the high altitude for a long time, ball carries mechanism self to rotate under the effect of the wind direction that changes, drive the rotation inslot internal rotation of locating plate and universal rod in the bearing frame, and then make the rotation that the mechanism was carried to the ball can not drive mooring rope and rotate, and then avoid taking place to entangle between mooring rope and the cable, avoid cable and mooring rope to take place to fracture under the effect of tension at entanglement in-process, and then make the ball carry the mechanism to break away from, cause unnecessary.

The invention has the following beneficial effects:

1. the method for automatically identifying the tangent line drives the supporting shaft and the inflatable sheet to contract by moving the movable plate, so that the area of the ball-mounted mechanism which is in line with the airflow direction and is impacted by the airflow is reduced, the overlarge impact force of the high-altitude airflow on the ball-mounted mechanism is effectively reduced, on one hand, the possibility of breakage of the mooring rope due to overlarge tension on the mooring rope is caused, the ball-mounted mechanism is lost, unnecessary economic loss is caused, meanwhile, the overlarge tension transmitted to the ground through the mooring rope easily causes the displacement of a fixing device on the ground, meanwhile, the two positioners are fixed in the high air through the ball-mounted mechanism, the signal transmission time is set, the positions of the two positioners can be effectively sensed, the airflow direction of each node in the high air is stably output, and data support is effectively provided for the calculation of the tangent line, thereby effectively recognizing the shear line.

2. According to the method for automatically identifying the shear line, the windshield is arranged and is sleeved on the outer surface of the sphere, the shape of the sphere is effectively limited by the outer skeleton, on one hand, the expansion rate of the sphere in a low-pressure zone is effectively reduced, on the other hand, the sphere is effectively supported when the wind speed is high, irregular shape change of the sphere due to wind influence is avoided, meanwhile, when the movable plate and the connecting plate are separated from each other, the movable plate pulls the elastic belt to enable the elastic belt to pull the skeleton, the hinged skeleton is deformed, on the other hand, due to the supporting effect of the extending shaft, the skeleton is deformed in a streamline shape, the skeleton extrudes the sphere when the skeleton is deformed, the wind resistance of the sphere in a high-wind-speed zone is smaller, and the pulling force of a mooring rope is reduced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a flow chart of a method of the present invention;

FIG. 2 is a front view of a positioning air ball;

FIG. 3 is a cross-sectional view of a positioning air ball;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

in the figure: the windproof and windproof wind-shield comprises a ball body 1, a tail wing 11, a first groove 12, a windproof cover 2, a framework 21, an extension shaft 22, a connecting plate 3, a connecting piece 31, a supporting shaft 32, an inflatable sheet 33, a first sliding groove 34, a connecting rod 35, a moving plate 36, a positioning plate 4, a mooring rope 41, a cable 42, a universal rod 43, a bearing seat 44, a rotating groove 45, a conduction groove 46, a corrugated pipe 5, a connecting pipe 51, a rubber plug 52, a testing rod 53, a displacement sensor 54 and an elastic sheet 55.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, the method for automatically identifying a cutting line according to the present invention is a method for automatically identifying a cutting line, and the method for automatically identifying a cutting line includes the following steps:

s1: dividing a sky wind field according to warps and wefts, wherein the distances between every two adjacent warps and wefts are the same, dividing the sky wind field into a grid structure, and setting grid intersections as nodes;

s2: establishing monitoring points on the ground, wherein the monitoring points correspond to the nodes one to one, positioning floating air balls are arranged in the monitoring points, the positioning floating air balls are controlled to transmit a wireless signal to the ground once at an interval of 5min, and a ground receiving device establishes a wind vector model according to the wireless signal, the node angle and the distance deviation;

s3: projecting the wind vector model on an XY plane in parallel to obtain parallel wind vectors, measuring and calculating the parallel wind vectors on the nodes to obtain a wind diagram, measuring and calculating the wind flow direction in a wind field according to the wind diagram, identifying the opposite wind flow direction, and measuring and calculating a boundary line between the wind diagram and the opposite wind flow direction to obtain a shear line;

the positioning floating air ball in the S2 comprises a ball loading mechanism, an adjusting mechanism and a connecting mechanism;

the ball-mounted mechanism comprises a ball body 1, a windshield 2 and a tail wing 11; the sphere 1 is a cylindrical cavity type structure body; helium is filled in the inner cavity of the sphere 1; the windshield 2 is a grid-shaped structure; the tail wing 11 is fixedly connected with one end of the sphere 1; the number of the tail wings 11 is three, and the tail wings are spaced by 120 degrees; the interior of the tail wing 11 is hollow; the cavities of the empennage 11 above the sphere 1 are filled with nitrogen, and the cavities of the two empennage 11 below the sphere 1 are filled with air;

the adjusting mechanism comprises a connecting plate 3, a supporting shaft 32, an inflating sheet 33 and a moving plate 36; one side of the sphere 1 fixedly connected with the tail wing 11 is inwards sunken to form a first groove 12; the connecting plate 3 is fixedly connected in the first groove 12; one side of the connecting plate 3, which is far away from the ball body 1, is fixedly connected with evenly distributed connecting pieces 31; the connecting pieces 31 are all hinged with supporting shafts 32; the edge of the sphere 1 positioned in the first groove 12 is fixedly connected with uniformly distributed inflatable sheets 33; the inner parts of the inflatable sheets 33 are all designed to be hollow; the inner cavity of the inflatable sheet 33 and the inner cavity of the sphere 1 are in a conducting design; the inflatable sheets 33 correspond to the supporting shafts 32 one by one; one side of the supporting shaft 32, which is far away from the inflating sheet 33, is provided with first sliding chutes 34 which are uniformly distributed; a connecting rod 35 is connected in the first sliding chute 34 in a sliding manner; a moving plate 36 is fixedly connected to one side of the connecting rod 35, which is far away from the supporting shaft 32; the moving plate 36 is elastically connected with the connecting plate 3 through a spring; in the initial state, the moving plate 36 is tightly attached to the connecting plate 3 under the action of spring tension, and the inflating sheet 33 is obliquely connected with the sphere 1 under the drive of the supporting shaft 32;

the connecting mechanism comprises a positioning plate 4, a mooring rope 41 and a cable 42; the positioning plate 4 is fixedly connected to one side of the sphere 1 away from the tail wing 11; one side of the positioning plate 4, which is far away from the ball body 1, is fixedly connected with a mooring rope 41 and a cable 42; the mooring rope 41 is used for connecting the ball-carrying mechanism with a ground fixing device, and the cable 42 is used for transmitting current to the positioning floating air ball; the positioning plate 4 and the moving plate 36 are fixedly connected with a positioner;

in the prior art, in order to automatically identify the change rule of the shear line in the high altitude, the wind direction is mostly measured at 800 Hpa-750 Hpa, and then the formation of the shear line is measured and calculated by utilizing the impact direction and the size of the air current, in the prior art, the wind direction in the high altitude is mostly measured and calculated by flying a meteorological balloon, and the position detection is carried out by a positioning radar on the ground, so that the average wind speed and the wind direction of the meteorological balloon in the high altitude are measured and calculated, but the flowing of the air current in the high altitude has mutability, the flying place of the meteorological balloon is mostly determined by the meteorological detector according to the experience, and the meteorological balloon is subjected to the action of external force in the rising process, so that the meteorological balloon deviates from the track, the detected high altitude wind direction is distributed in a wind field to have insufficient uniformity, and the accuracy of the measured and calculated data is;

when the invention works, a wind field is divided according to warps and wefts, nodes are accurately determined through the crossing of the warps and wefts, monitoring points are arranged on corresponding nodes on the ground, floating air balls are arranged in the monitoring points, a ball-carrying mechanism is fixedly connected with a fixing device on the ground by using a mooring rope 41, the ball-carrying mechanism is positioned by using the mooring rope 41, meanwhile, helium is filled in a ball body 1 in the ball-carrying mechanism, so that the ball-carrying mechanism has upward floating power, the ball-carrying mechanism floats in high altitude under the action of buoyancy along with the release of the length of the mooring rope 41, when air current flows in the high altitude, the tail part of the ball body 1 is relatively large in stress due to the existence of the tail wing 11 in the flowing process of the air current, so that the ball body 1 conforms to the flowing direction of the air current, and the tail wing 11 positioned above is filled with the helium, The lower tail fin 11 is filled with air, so that the buoyancy of the upper tail fin 11 is effectively utilized to enhance the stability of the sphere 1, along with the continuous impact of the air flow, the inflatable sheet 33 which is unfolded under the action of the support shaft 32 in the initial state is impacted by the air flow, so that the inflatable sheet 33 drives the support shaft 32 to rotate towards the axis direction of the sphere 1, when the support shaft 32 rotates relative to the connecting plate 3, the connecting rod 35 which is positioned in the first chute 34 gradually slides towards one side far away from the sphere 1 in the process of mutually folding the support shaft 32, so that the moving plate 36 which is fixedly connected with the connecting rod 35 moves towards one side far away from the sphere 1, and the sphere loading mechanism which is small in head and large in tail in the initial state is in a cylindrical streamline shape, when the air flow velocity is slow in high altitude, the impact on the sphere loading mechanism is small, the support shaft 32 drives the inflatable sheet, the sensitivity of the ball-carrying mechanism rotating along with the air flow direction is high, and when the impact effect of the too fast air flow speed on the ball-carrying mechanism is strong, the moving plate 36 moves to drive the supporting shaft 32 and the inflating sheet 33 to contract, so that the area of the ball-carrying mechanism which is in compliance with the air flow direction and impacted by the air flow is reduced, the overlarge impact force of the high-altitude air flow on the ball-carrying mechanism is effectively reduced, on one hand, the possibility of breakage of the mooring rope 41 is caused due to overlarge tension on the mooring rope 41, and further, the ball-carrying mechanism is lost, unnecessary economic loss is caused, meanwhile, the overlarge tension transmitted to the ground through the mooring rope 41 is easy to cause displacement of a fixing device on the ground, meanwhile, the two positioners are fixed in the high air through the ball-carrying mechanism, the signal transmission time is set, the existence positions of the two positioners can be effectively sensed, and further, the air flow direction of, effectively provides data support for calculation of the tangent line, and further effectively identifies the tangent line.

As an embodiment of the present invention, a corrugated pipe 5 is fixedly connected between the connecting plate 3 and the moving plate 36; the corrugated pipe 5 is communicated with the inner cavity of the sphere 1 through a connecting pipe 51; a rubber plug 52 is fixedly connected in the connecting pipe 51; the rubber plug 52 is provided with a conical hole; the opening of the conical hole close to the corrugated pipe 5 is larger than the opening of the conical hole close to the ball body 1;

when the pneumatic device works, the supporting shaft 32 and the inflating sheet 33 rotate towards the axial direction of the sphere 1 under the action of wind force, so that the connecting rod 35 drives the moving plate 36 to move towards one side away from the connecting plate 3, after the connecting plate 3 is separated from the moving plate 36, the corrugated pipe 5 squeezed by the connecting plate 3 and the moving plate 36 in an initial state loses pressure, and along with the increase of the distance between the connecting plate 3 and the moving plate 36, the corrugated pipe 5 forms negative pressure in the extending process, so that helium in the sphere 1 is extracted, on one hand, the air pressure in the sphere 1 is reduced, the phenomenon that the air pressure outside the sphere 1 is reduced due to the flowing of external wind force is avoided, so that the sphere 1 is burst and damaged under the action of the internal and external air pressures is avoided, meanwhile, the corrugated pipe 5 extracts the helium in the sphere 1, so that the cylindrical sphere 1 is contracted, the length of a streamline structure formed by the spherical, the ball-carrying mechanism is less affected by wind force, and the pulling force on the mooring rope 41 is effectively reduced.

As an embodiment of the present invention, a test rod 53 is fixedly connected to the center of the connecting plate 3; the moving plate 36 is provided with a through hole corresponding to the test rod 53; the moving plate 36 is fixedly connected with a displacement sensor 54; in operation, as the wind speed increases, the rotation degree of the inflation piece 33 and the support shaft 32 increases, so that the moving distance between the connecting rod 35 and the moving plate 36 increases, the cross section of the ball loading device relatively decreases, the moving plate 36 moves to drive the displacement sensor 54 to move on the test rod 53 by different distances, the displacement sensor 54 outputs different displacement signals, the relation between the moving degree of the moving plate 36 and the wind speed is effectively utilized to measure and calculate, the wind speed is roughly measured and calculated, and the measurement and calculation of the tangent line are promoted.

As an embodiment of the present invention, the inflatable sheets 33 are designed in an arc shape; the arc-shaped opening of the inflating sheet 33 is far away from the supporting shaft 32; an elastic sheet 55 is fixedly connected to one side of the inflating sheet 33 away from the support shaft 32; the elastic sheet 55 is made of spring steel material; the elastic sheet 55 is matched with the inflatable sheet 33;

when the spherical loading mechanism works, the inflatable pieces 33 are arranged to be arc-shaped, when the spherical loading mechanism conforms to the wind direction, the arc-shaped openings of the inflatable pieces 33 are opposite to the wind direction, the openings of the inflatable pieces 33 are enlarged by utilizing the wind force, the blocking effect on the wind force is enhanced, the sensitivity to weak wind is enhanced, meanwhile, when the spherical loading mechanism is opposite to the wind direction, the inflatable pieces 33 are relatively folded under the action of the wind force, the spherical loading mechanism can rotate under the action of the wind force conveniently, the spherical loading mechanism can conform to the wind direction conveniently, meanwhile, the elastic pieces 55 made of spring steel are fixedly connected with the inflatable pieces 33, and the supporting effect of the inflatable pieces 33 when the wind force acts is effectively enhanced.

In one embodiment of the present invention, the windshield 2 is composed of a skeleton 21 and a fiber web; the framework 21 is hinged into an umbrella-shaped structure by a plurality of guide rods; the fiber net is fixedly connected in the gap of the framework 21; the side of the framework 21 away from the tail wing 11 is mutually and rotatably connected; one side of the framework 21 close to the tail 11 is fixedly connected with the movable plate 36 through an elastic belt; the framework 21 is fixedly connected with an extension shaft 22; the extension shaft 22 extends to the inner cavity of the sphere 1; the extension shaft 22 is fixedly connected with the connecting plate 3 and used for supporting the framework 21;

the during operation, through setting up windshield 2, cup joint windshield 2 at 1 outward appearance of spheroid, effectual outer skeleton 21 of utilization limits spheroid 1's shape, the effectual inflation rate that slows down spheroid 1 in the low pressure area on the one hand, simultaneously effectual supporting role to spheroid 1 when the wind speed is higher, avoid spheroid 1 to receive wind-force to influence self shape irregular change, simultaneously when movable plate 36 and connecting plate 3 alternate segregation, movable plate 36 pulling elastic webbing, make elastic webbing pulling skeleton 21, and then make the skeleton 21 that articulates take place deformation, simultaneously because extend shaft 22's supporting role, and then make skeleton 21 streamline type deformation, extrude spheroid 1 when skeleton 21 warp, and then make spheroid 1 less at the windage of high wind speed area itself, and then reduce and stay rope 41 pulling forces.

As an embodiment of the present invention, the bottom of the positioning plate 4 is fixedly connected with a universal rod 43; the universal rod 43 is in a spherical design at one side far away from the positioning plate 4; a bearing seat 44 is fixedly connected to one side of the mooring rope 41 close to the universal rod 43; a rotating groove 45 is formed in the upper surface of the bearing seat 44; the universal rod 43 is rotatably connected in the rotating groove 45; the bearing seat 44 and the universal rod 43 are jointly provided with a conduction groove 46; the cable 42 is slidably mounted in the guiding groove 46;

during operation, through setting up universal rod 43 and bearing frame 44, can free rotation between the ball-carrying mechanism that links firmly on locating plate 4 and bearing frame 44, simultaneously, offer conduction slot 46 in universal rod 43 and bearing frame 44 inside, make cable 42 extend to ball-carrying mechanism through conduction slot 46, and then make and separate between mooring rope 41 and the cable 42, when residing in the high altitude for a long time, ball-carrying mechanism self rotates under the effect of the wind direction that changes, drive locating plate 4 and universal rod 43 at the rotation of rotation 45 rotation inslot in bearing frame 44, and then make the rotation of ball-carrying mechanism can not drive mooring rope 41 and rotate, and then avoid taking place to entangle between mooring rope 41 and the cable 42, avoid cable 42 and mooring rope 41 to take place to break off at the effect of tension of entangling in-process, and then make ball-carrying mechanism break away from, cause unnecessary loss.

The specific implementation flow is as follows:

when the device works, a wind field is divided according to the longitude and latitude, the nodes are accurately determined through the intersection of the longitude and latitude, monitoring points are arranged on the corresponding nodes on the ground, floating air balls are arranged in the monitoring points, the ball-carrying mechanism is fixedly connected with a fixing device on the ground by using the mooring ropes 41, the ball-carrying mechanism is positioned by using the mooring ropes 41, meanwhile, helium is filled in the ball body 1 in the ball-carrying mechanism, the ball-carrying mechanism has upward floating power, the ball-carrying mechanism is released along with the lengths of the mooring ropes 41 and floats in high altitude under the action of buoyancy, when air current flows in the high altitude, the tail part of the ball body 1 is greatly stressed due to the existence of the tail wing 11 in the flowing process of the air current, the ball body 1 conforms to the flowing direction of the air current, and the tail wing 11 positioned above is filled with the helium, The lower tail fin 11 is filled with air, so that the buoyancy of the upper tail fin 11 is effectively utilized to enhance the stability of the sphere 1, along with the continuous impact of the air flow, the inflatable sheet 33 which is unfolded under the action of the support shaft 32 in the initial state is impacted by the air flow, so that the inflatable sheet 33 drives the support shaft 32 to rotate towards the axis direction of the sphere 1, when the support shaft 32 rotates relative to the connecting plate 3, the connecting rod 35 which is positioned in the first chute 34 gradually slides towards one side far away from the sphere 1 in the process of mutually folding the support shaft 32, so that the moving plate 36 which is fixedly connected with the connecting rod 35 moves towards one side far away from the sphere 1, and the sphere loading mechanism which is small in head and large in tail in the initial state is in a cylindrical streamline shape, when the air flow velocity is slow in high altitude, the impact on the sphere loading mechanism is small, the support shaft 32 drives the inflatable sheet, the sensitivity of the ball loading mechanism rotating along with the flow direction of the air flow is high, and meanwhile, when the impact effect on the ball loading mechanism is strong due to the fact that the flow speed of the air flow is too fast, the moving plate 36 moves to drive the supporting shaft 32 and the inflating sheet 33 to contract, so that the area of the ball loading mechanism which is in compliance with the flow direction of the air flow and impacted by the air flow is reduced, and the impact force of the high-altitude air flow on the ball loading mechanism is effectively reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.