阅读说明：本技术 一种系留无人机用自分离电连接器 (Self-separating electric connector for mooring unmanned aerial vehicle ) 是由 胡浩 张兴宁 江照亮 吴若琪 熊伟 韩旗 南红祥 徐永红 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种系留无人机用自分离电连接器,包括有插座和插头,插座包括有插座固定座、底端固定连接于插座固定座上的插座外壳、设置于插座固定座上的锁紧机构、以及设置于插座外壳内的香蕉公头和弹簧销,插头包括有香蕉母头、母头座、插头固定座、插头外壳、线缆固定件和卡环；插头和插座连接时,插座的锁紧机构与插头上的环形凹槽配合实现插头和插座的锁紧连接和快速分离。本发明的锁紧机构由舵机提供动力,实现自动化锁紧和分离,锁紧机构通过齿轮啮合传输速度和扭矩,传输过程稳定可靠,具有锁紧牢靠和分离快速的优点。(The invention discloses a self-separating electric connector for a tethered unmanned aerial vehicle, which comprises a socket and a plug, wherein the socket comprises a socket fixing seat, a socket shell of which the bottom end is fixedly connected to the socket fixing seat, a locking mechanism arranged on the socket fixing seat, a banana male head and a spring pin which are arranged in the socket shell, and the plug comprises a banana female head, a female head seat, a plug fixing seat, a plug shell, a cable fixing part and a snap ring; when the plug is connected with the socket, the locking mechanism of the socket is matched with the annular groove on the plug to realize the locking connection and the quick separation of the plug and the socket. The locking mechanism is powered by the steering engine, automatic locking and separation are achieved, the locking mechanism transmits speed and torque through gear engagement, the transmission process is stable and reliable, and the locking mechanism has the advantages of being firm in locking and rapid in separation.)

1. The utility model provides a mooring unmanned aerial vehicle is with self-separating electric connector which characterized in that: comprises a socket and a plug;

the socket comprises a socket fixing seat, a socket shell with the bottom end fixedly connected to the socket fixing seat, a locking mechanism arranged on the socket fixing seat, a banana male head and a spring pin, wherein the banana male head and the spring pin are arranged in the socket shell, the socket fixing seat is provided with a jack, the bottom end of the socket shell is a slot, the bottom end of the socket shell is fixed on the socket fixing seat, the slot of the socket shell is communicated with the jack, the top end of the banana male head is fixed on the slot bottom of the slot, the bottom end of the banana male head extends into the jack of the socket fixing seat, a spring pin positioning slot shell is arranged above the slot in the socket shell, the spring pin positioning slot shell is communicated with the slot, the spring of the spring pin is positioned in the spring pin positioning slot shell, the top end of the spring pin is fixedly connected with the slot bottom of the spring pin positioning slot shell, and the spring bottom end of the spring pin is fixedly connected with the top end of the pin shaft of the spring pin, under the unstressed state of the spring pin, the bottom of the pin shaft of the spring pin extends into the jack of the socket fixing seat;

the locking mechanism comprises a steering engine, a driving gear, a driven gear and a plurality of limit gears, the steering engine is positioned on the side of the socket shell, a driving shaft of the steering engine extends downwards, the bottom end of the driving shaft is connected to a socket fixing seat through a bearing, the driving gear is sleeved and fixed on the driving shaft of the steering engine, the driven gear is of an annular structure, the driven gear is arranged on the socket fixing seat and sleeved on the periphery of the socket shell, outer transmission teeth meshed with the driving gear are arranged on the outer ring of the driven gear, inner transmission teeth are arranged on the inner ring of the driven gear, a circle of vertically arranged gear shafts are fixed on the socket fixing seat, the circle of gear shafts are all positioned on the inner ring of the driven gear and positioned on the periphery of the socket shell, the plurality of limit gears are respectively connected to corresponding gear shafts through corresponding bearings, and a transmission tooth and a protrusion are arranged on the outer ring of each limit gear, the transmission teeth of each limit gear are in meshing transmission with the internal transmission teeth of the driven gear, and a circle of through holes corresponding to the limit gears are formed in the side wall of the socket shell, so that the protrusions of the limit gears can penetrate through the corresponding through holes to extend into the socket shell along with the rotation of the limit gears;

the plug comprises a banana female head, a female head seat, a plug fixing seat, a plug shell, a cable fixing part and a snap ring, wherein the banana female head is arranged in the female head seat;

when the plug is connected with the socket, the plug fixing seat stretches into the jack and the slot of the socket, the banana male head is inserted into the banana female head, the spring pin is extruded by the female head seat, the steering engine drives the driving gear, the driving gear drives the driven gear to rotate, the driven gear drives the limiting gears to rotate synchronously, and the protruding rotation on the limiting gears penetrates through the through hole in the socket shell to stretch into the annular groove in the plug fixing seat to achieve locking connection of the plug and the socket.

2. The self-detaching electrical connector for a tethered drone of claim 1, wherein: an insulating cover is fixed between the socket shell and the spring pin positioning groove shell in the socket shell, and the top end of the banana male head is fixed in the insulating cover.

3. The self-detaching electrical connector for a tethered drone of claim 1, wherein: the top upper shield of round gear shaft thereby carry out the closing cap with driven gear and a plurality of limit gear with annular shield.

4. The self-detaching electrical connector for a tethered drone of claim 1, wherein: the arc-shaped section of the driving gear facing the driven gear is provided with meshing teeth, and the arc-shaped section of the outer ring of the driven gear facing the driving gear is provided with outer transmission teeth.

5. The self-detaching electrical connector for a tethered drone of claim 4, wherein: the inner transmission gear of the inner ring of the driven gear is of a sectional structure, each section of inner transmission gear is in meshing transmission with the transmission gear of one corresponding limiting gear, and the number of the transmission gears in each section of the driven gear is equal to that of the transmission gears outside the driven gear.

6. The self-detaching electrical connector for a tethered drone of claim 1, wherein: and the top end of the socket shell and the bottom end of the plug cable fixing piece are both provided with clamping blocks.

Technical Field

The invention relates to the technical field of electric connectors, in particular to a self-separating electric connector for a tethered unmanned aerial vehicle.

Background

The inserting and separating of the electrical connector are carried out manually under the common condition, in the special occasions where some tethered unmanned aerial vehicles are used, the ground equipment cannot move, the unmanned aerial vehicles are required to be in high altitude hovering, the tethered cables are cumbersome at the moment, personnel cannot be close to the operation of the electrical connector to separate, and the electrical connector is required to be automatically separated.

When an emergency occurs, the ground equipment breaks down, the power supply of the mooring cable is interrupted, the standby power supply is started to supply power, the mooring cable can be separated (when the unmanned aerial vehicle is in a height of 100-200m, the weight of the mooring cable can be reduced by 5-10 kg), the cruising ability of the unmanned aerial vehicle can be greatly improved, and the probability of safe landing of the unmanned aerial vehicle is improved. Furthermore, when the tethered drone is working at altitude, the weight of the tethered cables themselves can cause breakage at the cable joints.

The pull-off type separating electric connector is disclosed at present, such as an opening and closing nut type or an electromagnetic separation type, wherein the opening and closing nut type has high requirements on part processing and assembling precision, otherwise, the pull-off type separating electric connector is easy to block; and the electromagnetic separation type locking has low reliability and large processing difficulty.

Disclosure of Invention

The invention aims to solve the technical problem of providing a self-separating electric connector for a tethered unmanned aerial vehicle, wherein a plug and a socket have the advantages of automatic locking and separation, and the plug and the socket are firmly locked and quickly separated.

The technical scheme of the invention is as follows:

a self-separating electric connector for a tethered unmanned aerial vehicle comprises a socket and a plug;

the socket comprises a socket fixing seat, a socket shell with the bottom end fixedly connected to the socket fixing seat, a locking mechanism arranged on the socket fixing seat, a banana male head and a spring pin, wherein the banana male head and the spring pin are arranged in the socket shell, the socket fixing seat is provided with a jack, the bottom end of the socket shell is a slot, the bottom end of the socket shell is fixed on the socket fixing seat, the slot of the socket shell is communicated with the jack, the top end of the banana male head is fixed on the slot bottom of the slot, the bottom end of the banana male head extends into the jack of the socket fixing seat, a spring pin positioning slot shell is arranged above the slot in the socket shell, the spring pin positioning slot shell is communicated with the slot, the spring of the spring pin is positioned in the spring pin positioning slot shell, the top end of the spring pin is fixedly connected with the slot bottom of the spring pin positioning slot shell, and the spring bottom end of the spring pin is fixedly connected with the top end of the pin shaft of the spring pin, under the unstressed state of the spring pin, the bottom of the pin shaft of the spring pin extends into the jack of the socket fixing seat;

the locking mechanism comprises a steering engine, a driving gear, a driven gear and a plurality of limit gears, the steering engine is positioned on the side of the socket shell, a driving shaft of the steering engine extends downwards, the bottom end of the driving shaft is connected to a socket fixing seat through a bearing, the driving gear is sleeved and fixed on the driving shaft of the steering engine, the driven gear is of an annular structure, the driven gear is arranged on the socket fixing seat and sleeved on the periphery of the socket shell, outer transmission teeth meshed with the driving gear are arranged on the outer ring of the driven gear, inner transmission teeth are arranged on the inner ring of the driven gear, a circle of vertically arranged gear shafts are fixed on the socket fixing seat, the circle of gear shafts are all positioned on the inner ring of the driven gear and positioned on the periphery of the socket shell, the plurality of limit gears are respectively connected to corresponding gear shafts through corresponding bearings, and a transmission tooth and a protrusion are arranged on the outer ring of each limit gear, the transmission teeth of each limit gear are in meshing transmission with the internal transmission teeth of the driven gear, and a circle of through holes corresponding to the limit gears are formed in the side wall of the socket shell, so that the protrusions of the limit gears can penetrate through the corresponding through holes to extend into the socket shell along with the rotation of the limit gears;

the plug comprises a banana female head, a female head seat, a plug fixing seat, a plug shell, a cable fixing part and a snap ring, wherein the banana female head is arranged in the female head seat;

when the plug is connected with the socket, the plug fixing seat stretches into the jack and the slot of the socket, the banana male head is inserted into the banana female head, the spring pin is extruded by the female head seat, the steering engine drives the driving gear, the driving gear drives the driven gear to rotate, the driven gear drives the limiting gears to rotate synchronously, and the protruding rotation on the limiting gears penetrates through the through hole in the socket shell to stretch into the annular groove in the plug fixing seat to achieve locking connection of the plug and the socket.

An insulating cover is fixed between the socket shell and the spring pin positioning groove shell in the socket shell, and the top end of the banana male head is fixed in the insulating cover.

The top upper shield of round gear shaft thereby carry out the closing cap with driven gear and a plurality of limit gear with annular shield.

The arc-shaped section of the driving gear facing the driven gear is provided with meshing teeth, and the arc-shaped section of the outer ring of the driven gear facing the driving gear is provided with outer transmission teeth.

The inner transmission gear of the inner ring of the driven gear is of a sectional structure, each section of inner transmission gear is in meshing transmission with the transmission gear of one corresponding limiting gear, and the number of the transmission gears in each section of the driven gear is equal to that of the transmission gears outside the driven gear.

And the top end of the socket shell and the bottom end of the plug cable fixing piece are both provided with clamping blocks.

The invention has the advantages that:

(1) when mooring unmanned aerial vehicle when the high altitude flight, the winding aramid fiber line of snap ring in the plug can bear the pulling force of most of cable in the cable mounting, and its bearing capacity is far greater than ordinary electric connector, has improved mooring unmanned aerial vehicle's the height of rising.

(2) The locking mechanism is powered by the steering engine to realize automatic locking and separation, the locking mechanism transmits speed and torque through gear engagement, the transmission process is stable and reliable, the locking and fixing between the plug and the socket can be ensured after the annular groove on the plug is inserted and combined with the boss on the limiting gear, and after the protrusion on the limiting gear is driven by the steering engine to move out of the annular groove on the plug, the plug can quickly fall under the action of the elastic restoring force and the self gravity of the spring pin, so that the quick separation from the socket is realized.

The plug and the socket can ensure that the electric energy required in the take-off process of the airplane comes from a ground power supply system under the connection and locking state of the plug and the socket, the power is sufficient, the power required by the lift-off flight is ensured, the effective load is increased, and the stability and the wind resistance of the tethered unmanned aerial vehicle in the flight state are enhanced. The unmanned aerial vehicle can float for a long time under the condition of ground power supply connection, so that the vertical takeoff and hovering capacity of the tethered unmanned aerial vehicle is enhanced (the unmanned aerial vehicle can hover for a long time under ground power supply); according to the invention, after the unmanned aerial vehicle is lifted off, the ground power supply is stopped, the plug and the socket can be automatically separated, the unmanned aerial vehicle battery pack is adopted for supplying power, and the unmanned aerial vehicle battery pack is not adopted for supplying power during the lifting off, so that the maximum takeoff weight of the moored unmanned aerial vehicle is limited by the multi-rotor load capacity, the effective load capacity of the whole machine is increased, the electric quantity required in the lifting off and flying process does not need to be considered by the unmanned aerial vehicle battery pack, and the weight of the unmanned aerial vehicle battery pack is reduced.

Drawings

Fig. 1 is a schematic structural view of a socket and a plug in a locked connection state according to the present invention.

Fig. 2 is a longitudinal sectional view of the socket of the present invention.

Fig. 3 is a transverse cross-sectional view of the inventive jack.

Figure 4 is a longitudinal cross-sectional view of the plug of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the self-detaching electric connector for the tethered unmanned aerial vehicle comprises a socket 1 and a plug 2;

referring to fig. 2, the socket 1 includes a socket fixing seat 11, a socket housing 12 with a bottom end fixedly connected to the socket fixing seat 11, a locking mechanism disposed on the socket fixing seat 11, and a banana male head 13 and a spring pin 14 disposed in the socket housing 12, the socket fixing seat 11 is provided with a jack, the bottom end of the socket housing 12 is a slot, the bottom end of the socket housing 12 is fixed to the socket fixing seat 11 and the slot of the socket housing 12 is communicated with the jack, the top end of the banana male head 13 is fixed to the bottom of the slot and the bottom end extends into the jack of the socket fixing seat 11, a spring pin positioning slot housing 15 is disposed in the socket housing 12 above the slot, an insulating cover 16 is fixed between the socket housing 12 and the spring pin positioning slot housing 15 in the socket housing 12, the top end of the banana male head 13 is fixed in the insulating cover 16, and the spring pin positioning slot housing 15 is communicated with the slot, the spring of the spring pin 14 is positioned in the spring pin positioning groove shell 15, the top end of the spring is fixedly connected with the groove bottom of the spring pin positioning groove shell 15, the bottom end of the spring pin 14 is fixedly connected with the top end of the pin shaft of the spring pin 14, and the bottom of the pin shaft of the spring pin 14 extends into the jack of the socket fixing seat 11 under the unstressed state of the spring pin 14;

referring to fig. 2 and 3, the locking mechanism includes a steering gear 17, a driving gear 18, a driven gear 19 and a plurality of limit gears 110, the steering gear 17 is located at a side of the socket housing 12, a driving shaft of the steering gear 17 extends downward and a bottom end of the driving shaft is connected to the socket housing 11 through a bearing, the driving gear 18 is sleeved and fixed on the driving shaft of the steering gear 17, the driven gear 19 is of an annular structure, the driven gear 19 is arranged on the socket housing 11 and sleeved on an outer periphery of the socket housing 12, an outer transmission gear meshed with the driving gear 18 is arranged on an outer ring of the driven gear 19, meshing teeth of the driving gear 18 are arranged on an arc section facing the driven gear 19, outer transmission teeth of an outer ring of the driven gear 19 are arranged on an arc section facing the driving gear 18, inner transmission teeth are arranged on an inner ring of the driven gear 19, a circle, that is, three vertically arranged gear shafts 111 are fixed on the socket housing 11, a ring of gear shafts 111 are arranged at the inner ring of the driven gear 19 and at the periphery of the socket housing 12, three limit gears 110 are respectively connected to the corresponding gear shafts 111 through corresponding bearings, a transmission gear and a protrusion 112 are arranged on the outer ring of each limit gear 110, the inner transmission teeth of the inner ring of the driven gear 19 are of a sectional structure, each section of inner transmission teeth is in meshing transmission with the transmission teeth of one corresponding limiting gear 110, the number of the transmission teeth in each section of the driven gear 19 is equal to that of the transmission teeth outside the section of the driven gear, an annular dustproof cover 113 is covered on the top end of one circle of gear shaft 111 so as to seal the driven gear 19 and the three limiting gears 110, the dustproof cover 113 plays a role in preventing dust and preventing the gears from shifting, and a circle of through holes corresponding to the limiting gears 110 are formed in the side wall of the socket shell 12 so that the protrusions 112 of the limiting gears 110 can penetrate through the corresponding through holes to extend into the socket shell 12 along with the rotation of the limiting gears 110;

referring to fig. 4, the plug 2 comprises a banana female head 21, a female head seat 22, a plug fixing seat 23, a plug outer shell 24, a cable fixing member 25 and a snap ring 26, the banana female head 21 is arranged in the female head seat 22, the female head seat 22 is fixedly sleeved in the plug fixing seat 23, the top end of the plug outer shell 24 is in threaded connection with the bottom end of the plug fixing seat 23, the top end of the cable fixing member 25 is in threaded connection with the bottom end of the plug outer shell 24, an aramid fiber wire is wound on the snap ring 26, the snap ring 26 is fixed in the cable fixing member 25, and a circle of annular groove 27 is formed in the outer ring of the plug fixing seat 23;

referring to fig. 1-4, the socket 1 is installed on the unmanned aerial vehicle, the power supply and the electrical signal input of the steering engine 17 are both from ground equipment, when the plug 2 is connected with the socket 1, the plug fixing seat 23 extends into the jack and the slot of the socket 1, the banana male head 13 is inserted into the banana female head 21, the cable of the ground equipment is welded on the banana female head 21, the spring pin 14 is extruded by the female head seat 22, the steering engine 17 drives the driving gear 18, the driving gear 18 drives the driven gear 19 to rotate, the driven gear 19 drives the three limit gears 110 to synchronously rotate, so that the protrusions 112 on the three limit gears 110 rotatably penetrate through the through holes on the socket shell 12 and extend into the annular grooves 27 on the plug fixing seat 23 to realize the locking connection of the plug 2 and the socket 1; when the steering engine 17 drives the protrusion 112 on the limit gear 110 to move out of the annular groove 27 on the plug, the plug 2 can fall quickly under the action of the elastic restoring force and the self gravity of the spring pin 14, so that the plug and the socket 1 can be separated quickly.

Wherein, the top end of the socket shell 12 and the bottom end of the plug cable fixing piece 25 are both provided with a clamping block 3 for clamping the cable.

When the number of teeth of the driving gear 18 is 50, the modulus is 0.4; the number of the external transmission teeth of the driven gear 19 and the internal transmission teeth of each section is 105, and the number of the transmission teeth of the limit gear 110 is 24. The transmission ratio between the driving gear 18 and the limiting gear 110 is about 0.48, so the rotating speed of the steering gear 17 transmitted to the limiting gear 110 through the driving gear 18 is increased, and the plug 2 and the socket 1 fall off more rapidly. When the rotating speed of the selected steering engine 17 is 0.07sec/60 degrees, the falling-off time can be controlled within 1 s.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.