| CPC G01W 1/08 (2013.01) | 8 Claims |
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1. A dropsonde with a dandelion-like structure, comprising a support system (1), a rotor wing system (2), a rotor wing restraint system (3), a sensing main control system (4) and an electrical damping system (5),
wherein the support system (1) further comprising a hollow upper strut (6), a hollow lower strut (7), an upper disc (8) fixedly connected to top of the upper strut (6) and a lower disc (9) fixedly connected to top of the lower strut (7), wherein the upper strut (6) is partially inserted into the lower strut (7), and wherein the upper parts of the upper disc (8) and the upper strut (6) are exposed outside the lower strut (7);
wherein the rotor wing system (2) further comprising a plurality of upper rotor wings (10), a plurality of lower rotor wings (11), a plurality of upper springs (12) each corresponds to a said upper rotor wing (10), a plurality of lower springs (13) each corresponds to a said lower rotor wing (11), a plurality of upper connecting members (14) each corresponds to a said upper rotor wing (10) and a plurality of lower connecting members (15) each corresponds to a said lower rotor wing (11), wherein an inclination direction of each upper rotor wing (10) is opposite to that of each lower rotor wing (11); wherein one end of each upper spring (12) is fixedly connected to the corresponding upper rotor wing (10) while another end is fixedly connected to the upper strut (6); wherein one end of each lower spring (13) is fixedly connected to the corresponding lower rotor wing (11) while another end is fixedly connected to the lower strut (7); wherein each upper connecting member (14) further comprising an upper dip angle adjusting rod (16), wherein an upper angle limiting cylinder (17) and an upper rotor wing adjusting ring (18), wherein the upper dip angle adjusting rod (16) in each upper connecting member (14) is fixedly connected to the corresponding upper rotor wing (10), wherein the upper angle limiting cylinder (17) in each upper connecting member (14) is fixedly connected to the upper rotor wing adjusting ring (18), wherein a plurality of upper dip angle adjusting marbles (19) arranged along an extension direction of the upper dip angle adjusting rod (16) are provided on a surface of the upper dip angle adjusting rod (16), wherein a plurality groups of upper angle limiting holes (20) that are arranged along a circumferential direction of the upper angle limiting cylinder (17) are formed in the upper angle limiting cylinder (17), wherein each group of upper angle limiting holes (20) corresponds to an upper dip angle adjusting marble (19), wherein the upper dip angle adjusting rod (16) is inserted into the upper angle limiting cylinder (17), wherein each upper dip angle adjusting marble (19) pops up from one group of upper angle limiting holes (20) to lock an inclination angle of the corresponding upper rotor wing (10), and wherein each upper dip angle adjusting marble (19) pops up from different groups of upper angle limiting holes (20) to adjust the inclination angle of the corresponding upper rotor wing (10); wherein a plurality of upper connecting holes (21) corresponding to each upper rotor wing adjusting ring (18) are formed at a position where the upper disc (8) closes to an edge, wherein each upper rotor wing adjusting ring (18) is rotationally connected to the upper disc (8) through the corresponding upper connecting hole (21), wherein each upper rotor wing adjusting ring (18) is provided with an upper rotor wing fixing hole (22), wherein the upper disc (8) is provided with a plurality of upper rotor wing fixing marbles (23) each corresponds to an said upper rotor wing fixing hole (22), and wherein each upper rotor wing fixing marble (23) pops up from the corresponding upper rotor wing fixing hole (22) lock an opening state of the corresponding upper rotor wing (10); wherein each lower connecting member (15) further comprising an lower dip angle adjusting rod (24), a lower angle limiting cylinder (25) and a lower rotor wing adjusting ring (26), wherein the lower dip angle adjusting rod (24) in each lower connecting member (15) is fixedly connected to the corresponding lower rotor wing (11), wherein the lower angle limiting cylinder (25) in each lower connecting member (15) is fixedly connected to the lower rotor wing adjusting ring (26), wherein a plurality of lower dip angle adjusting marbles (27) arranged along an extension direction of the lower dip angle adjusting rod (24) are provided on the surface of the lower dip angle adjusting rod (24), wherein a plurality groups of lower angle limiting holes (28) arranged along a circumferential direction of the lower angle limiting cylinder (25) are formed in the lower angle limiting cylinder (25), wherein each group of lower angle limiting holes (28) corresponds to a said lower dip angle adjusting marble (27), wherein the lower dip angle adjusting rod (24) is inserted into the lower angle limiting cylinder (25), wherein each lower dip angle adjusting marble (27) pops up from one group of lower angle limiting holes (28) to lock the inclination angle of the corresponding lower rotor wing (11), and wherein each lower dip angle adjusting marble (27) pops up from different groups of lower angle limiting holes (28) adjust the inclination angle of the corresponding lower rotor wing (11); wherein a plurality of lower connecting holes (29) corresponds to a said lower rotor wing adjusting ring (26) are formed at a position where the lower disc (9) closes to an edge, wherein each lower rotor wing adjusting ring (26) is rotationally connected to the lower disc (9) through the corresponding lower connecting hole (29), wherein each lower rotor wing adjusting ring (26) is provided with a lower rotor wing fixing hole (30), wherein the lower disc (9) is provided with a plurality of lower rotor wing fixing marbles (31) each corresponds to a said lower rotor wing fixing hole (30), and wherein each lower rotor wing fixing marble (31) pops up from the corresponding lower rotor wing fixing hole (30) to lock an opening state of the corresponding lower rotor wing (11);
wherein the rotor wing restraint system (3) further comprising a restraint ring (32), a restraint rod (33), a restraint frame (34), through which the restraint ring (32) is fixedly connected to top of the restraint rod (34), a straight tooth (35) fixedly connected to the bottom of the restraint rod (33), a gear (36) meshing with the straight tooth (35), a stepping motor (37) fixedly connected to the gear (36), and a restraint controller (38) electrically connected to the stepping motor (37), wherein the restraint rod (33) is partially inserted into the upper strut (6), wherein upper parts of the restraint ring (32), the restraint frame (34) and the restraint rod (33) are exposed outside the upper strut (6), wherein the straight tooth (35), the gear (36), the stepping motor (37) and the restraint controller (38) are located inside the upper strut (6), and wherein an outer wall of the restraint controller (38) is fixedly connected to an inner wall of the upper strut (6); wherein the restraint controller (38) is configured to control the rotation of the stepping motor (37) under the control of the sensing main control system (4) and to drive the gear (36) to rotate, wherein the restraint ring (32) is driven to move away from or closely to the rotor wing system (2) through meshing drive of the gear (36) and the straight tooth (35) to open each upper rotor wing (10) and each lower rotor wing (11) or to lock a closing state of each upper rotor wing (10) and each lower rotor wing (11);
wherein the sensing main control system (4) is fixedly connected to the bottom of the lower strut (7) and further comprising a sensor and a micro controller which are connected electrically, wherein the sensor is configured to collect position information of the sonde in real time, to collect temperature information, humidity information, wind information and atmospheric pressure information after the sonde is confirmed to reach a predetermined height and to send these information to the micro controller; wherein the micro controller is configured to send a control signal to the restraint controller (38) after the sonde reaches the predetermined height, wherein the restraint controller (38) controls the rotation of the stepping motor (37) and drives the gear (36) to rotate, the restraint ring (32) is driven to move away from the rotor wing system (2) through meshing drive of the gear (36) and the straight tooth (35) to open each upper rotor wing (10) and each lower rotor wing (11) and send the received temperature information, humidity information, wind information and atmospheric pressure information to the ground; and
wherein the electrical damping system (5) further comprising a DC motor (39) located in the lower strut (7) and a simulated resistor accessed in a coil of the DC motor (39), wherein a rotary shaft of the DC motor (39) is fixedly connected to the bottom of the upper strut (6) by a connector (40), and wherein an outer wall of the DC motor (39) is fixedly connected to an inner wall of the lower strut (7); and wherein a control end of the simulated resistor is electrically connected to the micro controller, configured to control the descending speed of the sonde by controlling a resistance value of the simulated resistor.
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