阅读说明：本技术 一种用于监控户外空气湿度的传感器 (Sensor for monitoring outdoor air humidity ) 是由 陈杰 王飞虎 于 2021-12-06 设计创作，主要内容包括：本发明属于无人机技术领域,具体涉及一种用于监控户外空气湿度的传感器,包括无人机本体、挡风机构、传动机构和定位组件。所述无人机本体的内部安装有传感器本体,所述挡风机构用于对传感器本体的端口进行密封,所述传动机构用于驱动挡风机构移位,所述定位组件用于将传感器本体固定在无人机本体的内部,其中当无人机本体上升时,所述传动机构驱动挡风机构将传感器本体的端口密封住,随着所述无人机本体在空中平衡,所述挡风机构复位并逐渐打开传感器本体的端口。本发明能够使得无人机本体到达所需高度并平衡之后,挡风机构自动解除对传感器本体的封堵,然后传感器本体中能够与所需高度的空气直接接触。(The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a sensor for monitoring outdoor air humidity. The internally mounted of unmanned aerial vehicle body has the sensor body, the mechanism that keeps out the wind is used for sealing up the port of sensor body, drive mechanism is used for the drive mechanism that keeps out the wind and shifts, locating component is used for fixing the sensor body in the inside of unmanned aerial vehicle body, wherein when the unmanned aerial vehicle body rose, drive mechanism that keeps out the wind sealed up the port of sensor body, along with the unmanned aerial vehicle body is balanced in the air, the mechanism that keeps out the wind resets and opens the port of sensor body gradually. According to the invention, after the unmanned aerial vehicle body reaches the required height and is balanced, the wind shielding mechanism can automatically remove the blockage of the sensor body, and then the sensor body can be directly contacted with the air at the required height.)

1. A sensor for monitoring outdoor air humidity, characterized by: the method comprises the following steps:

the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), wherein a sensor body (2) is installed inside the unmanned aerial vehicle body (1), and the sensor body (2) is used for monitoring the outdoor air humidity;

the wind shielding mechanism is arranged inside the sensor body (2) and is used for sealing a port of the sensor body (2);

the transmission mechanism is arranged inside the sensor body (2) and is used for driving the wind shielding mechanism to move;

when the unmanned aerial vehicle body (1) rises, the transmission mechanism drives the wind shielding mechanism to seal the port of the sensor body (2), and along with the balance of the unmanned aerial vehicle body (1) in the air, the wind shielding mechanism resets and gradually opens the port of the sensor body (2);

the positioning assembly is arranged below the transmission mechanism and used for fixing the sensor body (2) inside the unmanned aerial vehicle body (1).

2. A sensor for monitoring outdoor air humidity according to claim 1, characterized in that: the sensor comprises a sensor body (2), and is characterized in that an air guide cavity (201) is formed in the middle of the sensor body (2), an induction unit (202) is fixedly mounted on one side of the inside of the air guide cavity (201), a butt joint plug (203) is electrically connected to one side of the induction unit (202), and butt joint slots matched with the butt joint plug (203) are formed in the inside of the unmanned aerial vehicle body (1).

3. A sensor for monitoring outdoor air humidity according to claim 2, characterized in that: the wind shielding mechanism comprises a movable baffle (206) and an air guide plate (207), the movable baffle (206) is arranged inside an air guide cavity (201), slide rods are fixedly connected to the two sides of the movable baffle (206), a slide groove communicated with the air guide cavity (201) is formed in the sensor body (2), the slide groove is sleeved outside the slide rods, the air guide plate (207) is fixedly installed inside the air guide cavity (201), the air guide plate (207) is located below the movable baffle (206), a sealing groove (2071) is formed in the top of one side of the air guide plate (207), and the sealing groove (2071) is matched with the bottom of the movable baffle (206).

4. A sensor for monitoring outdoor air humidity according to claim 3, characterized in that: the inside fixed mounting in induced air chamber (201) has two sets of baffles (205) of putting to one side, two sets of baffle (205) staggered arrangement is put to one side of putting baffle (205) and adjustable fender (206) to one side, two near induced air chamber (201) port fixed mounting has tensioning spring (4) between fixed block (2061).

5. A sensor for monitoring outdoor air humidity according to claim 3, characterized in that: drive mechanism includes movable rod (3), collection and flows fill (303) and connecting rod (2062), the inside of unmanned aerial vehicle body (1) is located to movable rod (3) slip cap, just the upper surface of unmanned aerial vehicle body (1) is run through on the top of movable rod (3), through-hole (204) in the movable rod (3) outside are seted up at the top of sensor body (2), collection flows fill (303) fixed mounting in the top of movable rod (3), the bottom of movable rod (3) is seted up flutedly (301) and joint groove (302), the one end of connecting rod (2062) sets up in the inside of recess (301), the other end and adjustable fender (206) fixed connection of connecting rod (2062).

6. A sensor for monitoring outdoor air humidity according to claim 5, characterized in that: the end part of the connecting rod (2062) is fixedly provided with a connecting rotating wheel (2063), and the connecting rotating wheel (2063) is mutually attached to the inner wall of the groove (301).

7. A sensor for monitoring outdoor air humidity according to claim 5, characterized in that: a transverse groove is formed in one side of the lower surface of the connecting rod (2062), a limiting rod (3011) is fixedly mounted inside the groove (301), and the limiting rod (3011) is slidably sleeved inside the transverse groove.

8. A sensor for monitoring outdoor air humidity according to claim 5, characterized in that: the positioning component comprises a clamping plate (5), a butt joint block (6) and a linkage rod (7), the clamping and connecting plate (5) is arranged in a U shape, the clamping and connecting plate (5) is arranged inside the air inducing cavity (201), the clamping plate (5) is matched with the clamping groove (302), the butt joint block (6) is arranged below the clamping plate (5), a butt joint groove (2011) communicated with the air inducing cavity (201) is formed in the sensor body (2), the butt joint groove (2011) is matched with the butt joint block (6), the linkage rod (7) is arranged between the clamping plate (5) and the butt joint block (6), the top end of the linkage rod (7) is fixedly connected with the lower surface of the clamping plate (5), the bottom end of the linkage rod (7) penetrates through the butt joint block (6), a positioning groove is further formed in the unmanned aerial vehicle body (1), the inside cover of gangbar (7) is equipped with locating lever (8) of mutually supporting with the constant head tank.

9. A sensor for monitoring outdoor air humidity according to claim 8, characterized in that: the lower surface fixed mounting of joint board (5) has reset spring (9), reset spring (9) and the last fixed surface of butt joint piece (6) are connected, just the top of butt joint piece (6) still fixedly connected with U-shaped piece (601).

10. A sensor for monitoring outdoor air humidity according to claim 8, characterized in that: limiting grooves (701) are formed in the linkage rods (7), and limiting plates (801) fixedly connected with the top ends of the positioning rods (8) are sleeved on the sliding sleeves in the limiting grooves (701).

Technical Field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a sensor for monitoring outdoor air humidity.

Background

Along with the rapid development of unmanned aerial vehicle technique in recent years, people to in the middle of using unmanned aerial vehicle technique to each field in the life, for guaranteeing people's normal trip, must pay close attention to factors such as air humidity, temperature constantly to this should do some corresponding preparations when can reminding people to go on a trip, traditional air humidity sensor can't reach the high altitude, and the sensor of carrying on unmanned aerial vehicle can detect the air humidity of plant top, judge the change of high altitude air humidity with this, judge the subsequent influence to the low altitude of high altitude air humidity with this.

The sensor that is used for control outdoor air humidity is current often leaks the induction element of sensor when using, with this make induction element contact air constantly, and among the unmanned aerial vehicle process that rises, the air humidity of co-altitude is inequality, and the sensor is all the time with the air contact, and then the numerical value of gathering also is changing constantly, the sensor rises to appointed altitude after, the influence of low latitude air probably can make measuring error increase, with this air humidity information credibility that makes people gather reduces.

Disclosure of Invention

The invention aims to provide a sensor for monitoring outdoor air humidity, which can enable an unmanned aerial vehicle body to reach a specified height, a wind shielding mechanism automatically removes plugging of the sensor body, and then an induction unit in the sensor body can be in direct contact with air at the specified height.

The technical scheme adopted by the invention is as follows:

a sensor for monitoring outdoor air humidity comprises an unmanned aerial vehicle body, wherein a sensor body is arranged in the unmanned aerial vehicle body and is used for monitoring the outdoor air humidity;

the wind shielding mechanism is arranged inside the sensor body and used for sealing a port of the sensor body;

the transmission mechanism is arranged inside the sensor body and is used for driving the wind shielding mechanism to move;

when the unmanned aerial vehicle body ascends, the transmission mechanism drives the wind shielding mechanism to seal the port of the sensor body, and the wind shielding mechanism resets and gradually opens the port of the sensor body along with the balance of the unmanned aerial vehicle body in the air;

the positioning assembly is arranged below the transmission mechanism and used for fixing the sensor body in the unmanned aerial vehicle body.

The sensor body is characterized in that an air inducing cavity is formed in the middle of the sensor body, an induction unit is fixedly mounted on one side of the inside of the air inducing cavity, a butt joint plug is electrically connected to one side of the induction unit, and a butt joint slot matched with the butt joint plug is formed in the unmanned aerial vehicle body.

The wind shielding mechanism comprises a movable baffle and a wind deflector, the movable baffle is arranged inside the induced air cavity, sliding rods are fixedly connected to the two sides of the movable baffle, sliding grooves communicated with the induced air cavity are formed in the sensor body, the sliding grooves are sleeved outside the sliding rods, the wind deflector is fixedly installed inside the induced air cavity and located below the movable baffle, a sealing groove is formed in the top of one side of the wind deflector, and the sealing groove is matched with the bottom of the movable baffle.

The inside fixed mounting in induced air chamber has two sets of baffles of putting to one side, and is two sets of baffle staggered arrangement is put to one side, be close to induced air chamber port put baffle and adjustable fender's one side equal fixedly connected with fixed block to one side, two fixed mounting has the tensioning spring between the fixed block.

Drive mechanism includes movable rod, collection stream fill and connecting rod, the inside of unmanned aerial vehicle body is located to the movable rod slip cap, just the upper surface of unmanned aerial vehicle body is run through on the top of movable rod, the through-hole in the movable rod outside is cup jointed is seted up at the top of sensor body, collection stream fill fixed mounting is in the top of movable rod, the bottom of movable rod is seted up flutedly and is connected the groove, the one end of connecting rod sets up in the inside of recess, the other end and the adjustable fender fixed connection of connecting rod.

The tip fixed mounting of connecting rod has the connection runner, the inner wall of connecting runner and recess is laminated each other.

A transverse groove is formed in one side of the lower surface of the connecting rod, a limiting rod is fixedly mounted inside the groove, and the limiting rod is sleeved inside the transverse groove in a sliding mode.

The utility model discloses an unmanned aerial vehicle, including leading wind chamber, clamping bar, sensor body, locating component, sensor body, linkage rod, locating component includes clamping bar, butt joint piece and gangbar, the clamping bar sets up to the U-shaped, the clamping bar sets up in the inside in induced draft chamber, the clamping bar is mutually supported with the joint groove, the butt joint piece sets up in the below of clamping bar, the butt joint groove that is linked together with induced draft chamber is seted up to the inside of sensor body, the butt joint groove is mutually supported with the butt joint piece, the gangbar sets up between clamping bar and butt joint piece, the top of gangbar is connected with the lower fixed surface of clamping bar, the butt joint piece is run through to the bottom of gangbar, the constant head tank has still been seted up to the inside of unmanned aerial vehicle body, the inside cover of gangbar is equipped with the locating lever of mutually supporting with the constant head tank.

The lower fixed surface of joint board installs reset spring, reset spring is connected with the last fixed surface of butt joint piece, just the top of butt joint piece still fixedly connected with U-shaped piece.

A limiting groove is formed in the linkage rod, and a limiting plate fixedly connected with the top end of the positioning rod is sleeved in the limiting groove in a sliding mode.

The invention has the technical effects that:

according to the invention, the convection air pressure when the unmanned aerial vehicle body rises is utilized to provide extrusion force for the transmission mechanism under the action of the convection air pressure, so that the transmission mechanism can descend, and then the transmission mechanism can drive the wind shielding mechanism to translate, so that the wind shielding mechanism can block the port of the sensor body, therefore, in the process of rising the unmanned aerial vehicle body, external air flow cannot enter the inside of the sensor body, after the unmanned aerial vehicle body reaches the required height and is balanced, the convection air pressure disappears, and the transmission mechanism and the wind shielding mechanism can reset, so that the external air flow can enter the inside of the sensor body;

according to the invention, by utilizing the design of the movable baffle, the air deflector and the two groups of inclined baffles, after external air flow enters the interior of the sensor body, the impact force of the air flow is correspondingly reduced, and meanwhile, the flow rate of the air flow is also correspondingly reduced, so that the induction unit is not impacted by the air flow, and meanwhile, the air flow contacted with the induction unit is the air flow with the required height, and further, the air humidity data error collected by the sensor body is smaller;

according to the invention, the positioning assembly is adopted, the transmission mechanism can be limited in the unmanned aerial vehicle body by the positioning assembly, the sensor body can be limited in the unmanned aerial vehicle by the same positioning assembly, the up-and-down movement of the transmission mechanism cannot be influenced by the positioning assembly, the positioning assembly is more flexible to disassemble and assemble by combining the action of the reset spring, and the sensor body is more convenient to maintain and replace.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an unmanned aerial vehicle provided by an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A of FIG. 1 of the present invention;

FIG. 3 is a schematic diagram of the overall structure of a sensor body provided by an embodiment of the invention;

FIG. 4 is a schematic top cross-sectional view of a sensor body provided by an embodiment of the invention;

FIG. 5 is an enlarged schematic view at B of FIG. 4 of the present invention;

FIG. 6 is an enlarged schematic view at C of FIG. 4 of the present invention;

FIG. 7 is a schematic structural diagram of a joint between a sensor body and a movable rod according to an embodiment of the present invention;

FIG. 8 is an enlarged schematic view at D of FIG. 7 of the present invention;

FIG. 9 is a schematic structural view of the connection between the transmission mechanism and the connecting rod according to the embodiment of the present invention;

FIG. 10 is a diagram illustrating a structure of a card slot according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a positioning assembly provided in an embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view of a connection between a linkage rod and a positioning rod according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an unmanned aerial vehicle body; 2. a sensor body; 201. a wind-guiding cavity; 2011. a butt joint groove; 202. a sensing unit; 203. butting a plug; 204. a through hole; 205. a baffle plate is obliquely arranged; 206. a movable baffle; 2061. a fixed block; 2062. a connecting rod; 2063. connecting a rotating wheel; 207. an air deflector; 2071. a sealing groove; 3. a movable rod; 301. a groove; 3011. a limiting rod; 302. a clamping groove; 303. a flow collecting hopper; 4. tensioning the spring; 5. a clamping and connecting plate; 6. a butt joint block; 601. a U-shaped block; 7. a linkage rod; 701. a limiting groove; 8. positioning a rod; 801. a limiting plate; 9. a return spring.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As shown in fig. 1 and fig. 2, a sensor for monitoring outdoor air humidity, including unmanned aerial vehicle body 1, keep out wind mechanism, drive mechanism and locating component, the internally mounted of unmanned aerial vehicle body 1 has sensor body 2 (sensor body 2 is humidity transducer), and sensor body 2 is used for monitoring outdoor air humidity, and the mechanism that keeps out the wind sets up in the inside of sensor body 2, and drive mechanism sets up in the inside of sensor body 2, and locating component sets up in drive mechanism's below.

According to the invention, when the unmanned aerial vehicle body 1 ascends, the high-altitude wind pressure extrusion transmission mechanism descends, the transmission mechanism drives the wind shielding mechanism to displace in the descending process, the port of the sensor body 2 is sealed after the wind shielding mechanism displaces, further, in the ascending process of the unmanned aerial vehicle body 1, external air cannot enter the sensor body 2, along with the balance of the unmanned aerial vehicle body 1 in the air, the extrusion force of the high-altitude wind pressure on the transmission mechanism disappears, the wind shielding mechanism resets and gradually opens the port of the sensor body 2, and further, the air at the height can flow into the sensor body 2.

As shown in fig. 3 and 4, the induced air chamber 201 has been seted up at the middle part of sensor body 2, and one side fixed mounting inside induced air chamber 201 has induction element 202, and induction element 202 is used for detecting air humidity, and this is common technical means among the prior art, and specific repeated description is not done herein, and one side electric connection of induction element 202 has docking plug 203, and the docking slot of mutually supporting with docking plug 203 is seted up to the inside of unmanned aerial vehicle body 1.

It should be noted that, the internally mounted of unmanned aerial vehicle body 1 has storage battery, and after docking plug 203 pegged graft inside the butt joint slot, sensor body 2 just can be in the same place with storage battery electric connection to this provides the electric quantity for the collection air humidity data of sensor body 2 and supports.

As shown in fig. 3, 4 and 5, the wind shielding mechanism includes a movable baffle 206 and a wind deflector 207, the movable baffle 206 is disposed inside the induced air cavity 201, both sides of the movable baffle 206 are fixedly connected with slide bars, the inside of the sensor body 2 is provided with slide slots communicated with the induced air cavity 201, the slide slots are sleeved outside the slide bars, the wind deflector 207 is fixedly mounted inside the induced air cavity 201, the air deflector 207 is positioned below the movable baffle 206, the movable baffle 206 and the air deflector 207 are obliquely arranged inside the induced air cavity 201, the air deflector 207 and the movable baffle 206 can block the impact force of outside air, thereby reducing the lateral force of the airflow, protecting the sensing unit 202 from being excessively impacted by the airflow, the service life of the sensing unit 202 is correspondingly prolonged, the top of one side of the air deflector 207 is provided with a sealing groove 2071, and the sealing groove 2071 is matched with the bottom of the movable baffle 206.

Specifically, adjustable fender 206 can drive the inside translation of slide bar along the spout, and the spout can also restrict the displacement range of slide bar, and then make adjustable fender 206 rigidity under the inoperative condition, and adjustable fender 206's lower surface sets to the slope form, and then can be accurate after adjustable fender 206 shifts with seal groove 2071 looks block, and simultaneously, the inner wall of seal groove 2071 still fixes to inlay and is equipped with the sealing washer, adjustable fender 206 finally can move the inside of sealing washer, with this make outside air current can not enter into the interior of induced air chamber 201 and contact with induction element 202, make the air humidity initial value that induction element 202 detected can not receive the influence.

Further, two sets of inclined baffles 205 are fixedly installed inside the induced air cavity 201, gaps between the inclined baffles 205 are always larger than gaps between the movable baffles 206 and the air guide plates 207, resistance of air flowing in through the air guide plates 207 is correspondingly reduced, so that the air flow can contact the induction unit 202 more quickly, the two sets of inclined baffles 205 are arranged in a staggered mode, fixed blocks 2061 are fixedly connected to one sides of the inclined baffles 205 and the movable baffles 206 close to the port of the induced air cavity 201, a tensioning spring 4 is fixedly installed between the two fixed blocks 2061, and the tensioning spring 4 is in an unstressed state initially.

As shown in fig. 2 and 9, the transmission mechanism includes a movable rod 3, a flow-collecting hopper 303 and a connecting rod 2062, the movable rod 3 is slidably sleeved inside the main body 1 of the unmanned aerial vehicle, the top end of the movable rod 3 penetrates through the upper surface of the unmanned aerial vehicle body 1, the top of the sensor body 2 is provided with a through hole 204 which is sleeved outside the movable rod 3, the flow collecting hopper 303 is fixedly arranged at the top end of the movable rod 3, the flow collecting hopper 303 and the movable rod 3 can be processed into an integrally formed structure, the flow collecting hopper 303 is arranged in a funnel shape, in the process of ascending the unmanned aerial vehicle body 1, the extrusion area of the high-altitude airflow to the movable rod 3 is increased, therefore, the stress area of the movable rod 3 is increased, the movable rod 3 can descend more quickly, the bottom of the movable rod 3 is provided with the groove 301, one end of the connecting rod 2062 is arranged inside the groove 301, and the other end of the connecting rod 2062 is fixedly connected with the movable baffle 206.

Further, referring to fig. 6 and 9, the connecting rotating wheel 2063 is fixedly installed at the end of the connecting rod 2062, the connecting rotating wheel 2063 can rotate relative to the connecting rod 2062, and the connecting rotating wheel 2063 is attached to the inner wall of the groove 301.

According to the structure, when the unmanned aerial vehicle body 1 ascends, high-altitude airflow extrudes the flow collecting hopper 303, the flow collecting hopper 303 extrudes the movable rod 3 to descend, the movable rod 3 descends and simultaneously drives the groove 301 to descend, the inclined surface of the groove 301 extrudes the connecting rotating wheel 2063, the connecting rotating wheel 2063 is stressed to transversely extrude the connecting rod 2062, the connecting rod 2062 transversely extrudes the movable baffle 206, the movable baffle 206 is stressed to drive the sliding rod to transversely move along the inside of the sliding groove, and finally the bottom of the movable baffle 206 is clamped and enters the inside of the sealing groove 2071, so that the port of the air induction cavity 201 is sealed, and external airflow is blocked by the movable baffle 206 and the air deflector 207, so that the unmanned aerial vehicle body 1 does not have air to contact with the induction unit 202 in the ascending process, and the measurement error of air humidity can be reduced;

after the movable baffle 206 is stressed and moved, the tension spring 4 can be contracted, and then the movable baffle 206 can be subjected to a transverse extrusion force, otherwise, after the external force applied to the movable baffle 206 disappears, the tension spring 4 extrudes the movable baffle 206 to reset, so that the movable baffle 206 is moved out from the inside of the sealing groove 2071, and finally the port of the air inducing cavity 201 is opened, so that external air flow can enter, the air speed is reduced by matching the action of the inclined baffles 205, the sensing unit 202 is contacted with the air flow entering at a slow speed, and then the humidity of the air can be accurately detected.

Furthermore, a transverse groove is formed in one side of the lower surface of the connecting rod 2062, a limiting rod 3011 is fixedly mounted inside the groove 301, the limiting rod 3011 is slidably sleeved inside the transverse groove, after the external pressure of the movable rod 3 disappears, the transverse extrusion force of the connecting rod 2062 from the connecting rotating wheel 2063 correspondingly disappears, the connecting rod 2062 is synchronously reset along with the movable baffle 206, the movable rod 3 is not extruded by high-altitude air pressure any more at the moment, and rises under the action of the reset spring 9, the limiting rod 3011 rises along with the movable baffle, the limiting rod 3011 can enter the transverse groove, and accordingly the connecting rod 2062 is prevented from excessively shifting.

As shown in fig. 3, fig. 10, fig. 11 and fig. 12, the positioning assembly includes a clamping plate 5, a butt joint block 6 and a linkage rod 7, the clamping plate 5 is set to be U-shaped, the clamping plate 5 is arranged inside the induced draft cavity 201, a joint groove 302 is formed in the bottom of the movable rod 3, the clamping plate 5 is matched with the joint groove 302, the butt joint block 6 is arranged below the clamping plate 5, a butt joint groove 2011 communicated with the induced draft cavity 201 is formed in the sensor body 2, the butt joint groove 2011 is matched with the butt joint block 6, the linkage rod 7 is arranged between the clamping plate 5 and the butt joint block 6, and the top end of the linkage rod 7 is fixedly connected with the lower surface of the clamping plate 5.

As shown in fig. 7, 8 and 9, the lower fixed surface of joint board 5 installs reset spring 9, reset spring 9 is in the state that the shrink held power all the time, reset spring 9 and the last fixed surface who docks piece 6 are connected, and initial time, reset spring 9 receives the extrusion force of movable rod 3 and contracts, receives external force influence and when descending when movable rod 3, and reset spring 9 can continue to contract, and after the external influence power that receives movable rod 3 disappeared, reset spring 9 just can the jacking movable rod 3 reset.

As figure 6, fig. 9 and fig. 12 show, butt joint piece 6 and sensor body 2 are run through to the bottom of gangbar 7, the constant head tank has still been seted up to unmanned aerial vehicle body 1's inside, the inside cover of gangbar 7 is equipped with the locating lever 8 of mutually supporting with the constant head tank, locating lever 8 is pegged graft after the inside of constant head tank, sensor body 2 just is restricted in unmanned aerial vehicle body 1's inside, spacing groove 701 has been seted up to gangbar 7's inside, the inside slip cover of spacing groove 701 is equipped with limiting plate 801 with 8 top fixed connection of locating lever, the degree of depth of spacing groove 701 is greater than the high sum of locating lever 8 and limiting plate 801, and then among the inside of accomodating spacing groove 701 that locating lever 8 can be complete, limiting plate 801 can make locating lever 8 can not be complete from the inside roll-off of gangbar 7.

According to the structure, at the beginning of installation of the positioning assembly, the positioning rod 8 is completely positioned in the limiting groove 701, then the positioning assembly is translated towards the inside of the induced air cavity 201, in the translation process of the positioning assembly, a vertical downward force is applied to the clamping plate 5, the reset spring 9 is stressed to contract, in the moving process of the positioning assembly, an operator needs to press the clamping plate 5 to be flush with the clamping groove 302, so that the clamping plate 5 can enter the inside of the clamping groove 302, after the clamping plate 5 enters the inside of the clamping groove 302, the butt joint block 6 is just completely aligned with the butt joint groove 2011, at the moment, the butt joint block 6 enters the inside of the butt joint groove 2011 under the extrusion of the reset spring 9, so that the positioning assembly cannot slide out from the inside of the induced air cavity 201, and after the butt joint block 6 enters the inside of the butt joint groove 2011, the positioning rod 8 descends under the action of the self gravity, then, the positioning rod 8 penetrates through the sensor body 2 and extends into the positioning groove, so that the sensor body 2 cannot fall off from the inside of the unmanned aerial vehicle body 1;

on the contrary, still fixedly connected with U-shaped piece 601 on the top of butt joint piece 6, if need take out sensor body 2, the operator need invert unmanned aerial vehicle earlier, during locating lever 8 just can draw the inside of spacing groove 701 this moment, can shift out butt joint piece 6 from the inside of butt joint groove 2011 through buckling U-shaped piece 601 afterwards, then with the whole inside of following induced draft chamber 201 of locating component shift out can, the restriction of movable rod 3 and sensor body 2 can be removed in step this moment, the person of facilitating the use maintains and changes sensor body 2.

The working principle of the invention is as follows: when the unmanned aerial vehicle body 1 ascends, the high-altitude wind pressure extrudes the collecting hopper 303, the collecting hopper 303 provides downward moving extrusion force for the transmission mechanism, the connection rotating wheel 2063 is extruded in the descending process of the transmission mechanism, the connection rotating wheel 2063 extrudes the wind shielding mechanism to move, the wind shielding mechanism seals the port of the sensor body 2 after moving, further, in the process of ascending the unmanned aerial vehicle body 1, the outside air can not enter the sensor body 2, when the unmanned aerial vehicle body 1 rises to the required height, the unmanned aerial vehicle body 1 tends to be balanced in the air, the extrusion force of the high-altitude air pressure on the transmission mechanism disappears, the transmission mechanism is reset under the jacking force of the reset spring 9, then the wind shielding mechanism is reset under the action of the tension spring 4, and the port of the sensor body 2 is opened, since the high air pressure is greater than the low air pressure, then the air at that level flows into the inside of the induced air chamber 201 and contacts the sensing unit 202.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.