CN111406354A

CN111406354A - Charger and unmanned aerial vehicle system

Info

Publication number: CN111406354A
Application number: CN201880065639.4A
Authority: CN
Inventors: 张彩辉; 林宋荣
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2020-07-10
Also published as: WO2020107280A1

Abstract

A charger (1) and unmanned aerial vehicle system, the charger (1) includes: frame (11) and locate PCB (12) in frame (11), PCB (12) include at least one extension flange limit (121), and extension flange limit (121) extend frame (11), and extension flange limit (121) department is provided with at least one binding post (120), and binding post (120) are connected with extension flange limit (121) direct electricity, and binding post (120) are used for connecting charging wire (2) with charger (1) adaptation. So, need not to weld the terminal of wire rod to frame (11) on PCB (12) to realize the inside few wire rod of charger (1), and charging wire (2) convenient to detach connects, has improved the manufacturability and the maintainability of charger (1) greatly.

Description

Charger and unmanned aerial vehicle system

Technical Field

The invention relates to the technical field of chargers, in particular to a charger and an unmanned aerial vehicle system.

Background

The high-power charger that has the frame now, for example, the charger that is used for charging to unmanned aerial vehicle's battery need connect the spigot to fix on the frame for convenient the accomodating, and the user is to inserting through charging wire and this terminal to charge to the battery. The design requires that a PCB in the charger is welded with a wire to a terminal on a machine frame, and the terminal is welded on an adapter plate to be fixed on the machine frame; in addition, in order to guarantee charging safety, the intelligent charger needs to communicate with the battery, monitors the voltage of the battery core constantly, leads to complicated wiring of the charger if the adapter plate is used, and leads to more and more output wires along with the increase of a charging channel, thereby greatly reducing the manufacturability and the maintainability of the charger.

Disclosure of Invention

The present invention is directed to at least solving the problems of the prior art.

To achieve the above object, a first aspect of the present invention provides a charger, including: a machine frame; and locate PCB in the frame, PCB includes at least one extension flange limit, the extension flange limit extends to the frame, extension flange limit department is provided with at least one binding post, binding post with extension flange limit direct electrical connection, binding post be used for connect with the charging wire of charger adaptation.

The technical solution of the second aspect of the present invention provides an unmanned aerial vehicle system, including: an unmanned aerial vehicle; a charger; the charging wire is matched with the charger, and the charger charges the battery of the unmanned aerial vehicle through the charging wire; wherein, the charger includes the frame and locates PCB in the frame, PCB includes at least one extension flange limit, the extension flange limit extends to the frame, extension flange limit department is provided with at least one binding post, binding post with extension flange limit direct electrical connection, binding post is used for connecting the charging wire.

The technical scheme of the invention has the following beneficial effects:

in the technical scheme of the invention, aiming at the problem of more cables in the charger, the PCB is provided with the extension plate edge extending to the machine frame, power current or communication signals and the like are directly output to the extension plate edge, and then the wiring terminal which is fixed at the extension plate edge and is directly electrically connected with the extension plate edge is connected with the charging wire, so that the battery is charged or communicated with the battery.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a horizontal cross-sectional structure of a charger according to an embodiment of the invention;

FIG. 2 is a side view of a charger frame according to one embodiment of the invention;

FIG. 3 is a schematic diagram of the structure of the PCB of the charger and its upper terminals according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of the output control of the PCB of the charger of one embodiment of the present invention;

FIG. 5 is a schematic diagram of a charger connected to a charging cable according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of the connection structure between the charger and the charging cable shown in FIG. 5;

FIG. 7 is a partial schematic view of the structure shown in FIG. 6;

fig. 8 is a structural diagram of a nut of a charger according to an embodiment of the invention, wherein 8a is a sectional structural diagram of the nut, 8b is a side structural diagram of the nut, and 8c is a front structural diagram of the nut;

FIG. 9 is a schematic diagram of the control panel of the charger according to one embodiment of the invention;

FIG. 10 is a schematic diagram of the connection structure of the charger and the AC power line according to one embodiment of the present invention;

FIG. 11 is a schematic diagram of a charger connected to a battery via a charging cord, in accordance with one embodiment of the present invention;

FIG. 12 is a schematic view of the charger and charging cord shown in FIG. 11;

fig. 13 is a schematic view of another structure of a charger according to an embodiment of the present invention connected to a charging cable;

fig. 14 is a side view of the charger of fig. 13 with the charging cord connected.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 14 is:

the charger comprises a charger body 1, a handle 10, a machine frame 11, a through hole 110, a fixing structure 111, a limiting part 112, a PCB 12, a wiring terminal 120, an extending plate edge 121, a positive wiring terminal 122, a negative wiring terminal 123, a communication terminal 124, a nut 13, a fixing part 131, a connecting part 132, a control panel 14, a start/stop button 141, a charging state indicator lamp 142, a warning lamp 143, a switching button 144 for fast/slow charging, an alternating current power supply interface 15, a charging wire fixing port 16, a heat dissipation hole 17, a fan protection cover 18, an interface protection cover 19, a ground wire interface 20, a charging wire 2, a first wire body 21, a second wire body 22, a third wire body 23, an alternating current power supply wire 3 and a battery 4.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A charger according to a first aspect of the present invention and a drone system to which the charger is applied according to a second aspect of the present invention are described below with reference to fig. 1 to 14.

As shown in fig. 1 to 14, a charger 1 according to a first aspect of the present invention includes: a frame 11 and a PCB 12 (i.e., printed circuit board) disposed within the frame 11.

Specifically, as shown in fig. 1 and 2, the PCB 12 includes at least one extension board edge 121, the extension board edge 121 extends to the machine frame 11, at least one connection terminal 120 is disposed at the extension board edge 121, the connection terminal 120 is directly electrically connected to the extension board edge 121, and the connection terminal 120 is used for connecting a charging wire 2 adapted to the charger 1.

It can be understood that the board edge of the existing PCB is generally a straight board edge, and the extension board edge 121 of the present invention is formed by protruding a part of the straight board edge of the PCB 12 to the outside, as shown in fig. 3 and 4, that is, the part of the straight board edge of the PCB 12 protrudes to the outside to form the extension board edge 121.

The charger 1 provided by the above embodiment of the present invention, aiming at the problem of many cables inside the charger, utilizes the extension board edge 121 extending to the machine frame 11 and arranged on the PCB 12 to output power current or communication signals to the extension board edge 121 through PCB wiring directly, and then utilizes the connection terminal 120 fixed at the extension board edge 121 and electrically connected to the extension board edge 121 to connect with the charging wire 2, so as to charge or communicate with the battery, thus the design does not need to weld a wire on the PCB 12 to the terminal on the machine frame 11, thereby realizing that there are few wires inside the charger 1, placing the wires outside the charger 1, simplifying the internal structure of the charger 1, and the charging wire 2 is convenient to detach and connect, and greatly improving the manufacturability and maintainability of the charger 1.

Further, as shown in fig. 1 and 2, in order to realize that the side of the connection terminal 120 is out of the line, that is, in order to realize that the connection terminal 120 disposed at the extension board edge 121 is connected to the charging wire 2 outside the machine frame 11, the side of the machine frame 11 is provided with the through hole 110, the extension board edge 121 is inserted into the through hole 110, so that the connection terminal 120 disposed at the extension board edge 121 is connected to the charging wire 2 through the through hole 110, that is, the connection terminal 120 is connected to the charging wire 2 at the through hole 110, thereby realizing that the charging wire 2 is connected to the charger 1, and realizing that the charging wire 2 is connected to the side of the charger 1, which is more in line with the conventional design, and is convenient for a user to perform an operation of connecting the charging wire 2 to the charger 1 or detaching the charging wire 2 from.

Preferably, as shown in fig. 5 to 7, the extension board edge 121 extends to the side of the machine frame 11 to realize that the terminal is out of the line from the side, so as to realize that the charging wire 2 is connected to the side of the charger 1, which is more in accordance with the conventional design, and is convenient for the user to perform the operation of connecting the charging wire 2 to the charger 1 or detaching the charging wire 2 from the charger 1. In other embodiments, the extension board edge 121 may also extend to other suitable surfaces of the machine frame 11, such as the front surface, the top surface, etc., and this embodiment is merely an example and is not limited herein.

Specifically, the terminal block 120 includes a fixing portion for fixing the terminal block 120 at the extension plate edge 121 and a connecting portion for connecting the terminal block 120 with the charging wire 2. The specific structure of the fixing portion and the connecting portion can be designed according to specific design requirements, for example, the connection terminal 120 can be fixed on the extension board edge 121 by adopting a welding mode, a threaded connection mode and the like, and the connection mode of the connection terminal 120 and the charging wire 2 can be a nut 13 connection mode, a plug-in connection mode and the like.

In one embodiment of the present invention, as shown in fig. 6 and 7, the at least one connection terminal 120 is a nut 13, the nut 13 is fixed on the extension board edge 121, the charging wire 2 includes a screw, specifically, the end of the charging wire 2 connected to the charger 1 is configured as a screw, so that the charging wire 2 is connected to the nut 13 of the charger 1 through the screw, and both the position a and the position B in fig. 6 and 7 are the matching structure of the screw and the nut 13. Through extending PCB 12 flange to frame 11, walk the wire rod in the replacement frame 11 through PCB, PCB 12 be qualified for the next round of competitions and change into vertical nut 13, and charging wire 2 passes through the screw locking on nut 13 to be convenient for charging wire 2's change and maintenance, and adopt the mode that nut 13 connects, it is better to connect the reliability.

Preferably, the nut 13 is welded to the extension plate edge 121. In one embodiment, as shown in fig. 8, the nut 13 includes a fixing portion 131 and a connecting portion 132, the fixing portion 131 of the nut 13 is welded to the extension board edge 121, so as to fix the nut 13 on the extension board edge 121, and the connecting portion 132 of the nut 13 is provided with an internal thread matching with a screw of the charging wire 2, so as to connect the nut 13 to the charging wire 2.

Further, as shown in fig. 5 to 7, the extension plate edge 121 extends to the side of the machine frame 11, preferably, the extension plate edge 121 is flush with the side of the machine frame 11, and the outgoing line surface of the nut 13 is at the side of the machine frame 11. The side face of the nut 13 is used for outgoing wires, the nut 13 is preferably welded at the position of the extending plate edge 121 of the PCB 12, the outgoing wire face of the nut 13 is just positioned at the side face of the charger 1 machine frame 11, so that the output of wires in the charger 1 is realized, all output points are placed on the side face of the charger 1 machine frame 11, the internal structural parts of the charger 1 are simplified, the wires in the charger 1 are greatly reduced, the reliability and the manufacturable type of the charger 1 are improved, and the manufacturing speed is greatly improved.

Preferably, power current is output to the extension plate edge 121 provided with the nut 13 through the PCB wiring, the nut 13 is used for transmitting the power current, and since the reliability of the screw and nut 13 matching connection is high, the reliability of power current transmission can be ensured by using the nut 13 to transmit the power current. Specifically, the current is output to the battery by the PCB in the existing charger, and the current needs to be output to the frame terminal by welding wires on the PCB, so that various wires in the charger are various and the wiring is complex; the invention utilizes the extension plate edge 121 which is arranged on the PCB 12 and extends to the machine frame, and the high-power nut 13 is welded at the extension plate edge 121, thereby eliminating all power lines and greatly simplifying the internal structure of the charger.

Further, as shown in fig. 6 and 7, nuts 13 arranged in pairs are fixed at the extension board edge 121, the nuts 13 arranged in pairs are respectively used as the positive terminal 122 and the negative terminal 123, that is, the nuts 13 are used for both the positive terminal 122 and the negative terminal 123, so that the charging link is output from the extension board edge 121 of the PCB 12 and directly enters the charging line 2 through the positive terminal 122 and the negative terminal 123, and there is no adapter plate and adapter terminal in the middle, so that the connecting wires can be greatly reduced, and the nuts 13 are used for transmitting power current, so that the transmission of the power current is more reliable.

In another embodiment of the present invention, as shown in fig. 6 and 7, at least one connection terminal 120 is a plug terminal, the plug terminal is fixed on an extension board edge 121, the charging cable 2 includes a plug, the charging cable 2 is connected to the plug terminal in a plug manner through the plug, and a position C in fig. 6 and 7 is a matching structure of the plug and the plug terminal. Through extending PCB 12 flange to frame 11, walk the wire rod in the replacement frame 11 through PCB and walk the line, set up the plug terminal in extension flange 121 department, be connected with the plug terminal through the plug of charging wire 2 to realize the inside few wire rod of charger 1, arrange the wire rod outside charger 1, and be convenient for the change and the maintenance of charging wire 2, make the installation more convenient with the operation of dismantling charging wire 2.

Further, the plug terminal is the seat of taking the buckle, and the plug of charging wire 2 passes through the buckle joint with the plug terminal to be fixed, and it is fixed with plug terminal joint that also utilizes the buckle to realize charging wire 2 to ensure the fastness that plug and plug terminal are fixed.

Furthermore, the through holes correspondingly arranged at the plug terminal and the extending plate edge 121 are formed, the plug terminal is fastened at the extending plate edge 121 through a fastening piece, and the plug terminal is fixed at the extending plate edge 121 through a fastening piece such as a screw, so that the plug terminal is firm in fixation and convenient to assemble.

In a specific embodiment, as shown in fig. 3 and 4, the plug terminal includes fixed part and connecting portion, and the fixed part of plug terminal adopts the fastener to tightly link firmly as the screw with extension flange 121 to the realization is fixed plug terminal at extension flange 121, is equipped with the buckle with the plug complex of charging wire 2 on the connecting portion of plug terminal, thereby realizes that nut 13 is connected with charging wire 2.

Preferably, the communication signal is output to the extension board edge 121 provided with the plug terminal through the PCB wiring, and the plug terminal is used for transmitting the communication signal, so that the convenience of plug connection between the plug terminal and the plug of the charging wire 2 can be ensured due to the convenience of the plug terminal and the plug of the charging wire 2; preferably, the plug terminal is a 485 terminal; specifically, the charger 1 may be provided with a plurality of extension board edges 121, and the plurality of extension board edges 121 may be connected to a plurality of batteries, respectively, in which case the charger 1 may communicate with the plurality of batteries through the communication terminal 124. When the multi-channel charger is communicated with a battery, the conventional charger needs to lead wires from a PCB to a communication port of the battery, and wires in the charger are greatly increased along with the increase of channels; the invention utilizes the PCB wiring to be directly output from the MCU to each path of battery, completely cancels communication wires and greatly improves the manufacturability.

In some embodiments of the present invention, as shown in fig. 3 and 4, three connection terminals 120, namely, a positive connection terminal 122, a negative connection terminal 123 and a communication terminal 124, are disposed at the at least one extension board edge 121; as shown in fig. 6 and 7, the charging wire 2 includes three wire bodies, namely a first wire body 21, a second wire body 22, and a third wire body 23, and the positive terminal 122, the negative terminal 123, and the communication terminal 124 are used to be connected to the three wire bodies 21, 22, and 23 of the charging wire 2, as shown in fig. 6 and 7, which are in a matching structure of A, B, C positions. Therefore, the communication between the charger and the battery is realized while the battery is charged by the charger.

In a specific embodiment, as shown in fig. 6 and 7, the positive terminal 122 and the negative terminal 123 are both nuts 13, and both the end of a wire body 21 connected to the positive terminal 122 and the end of a wire body 22 connected to the negative terminal 123 are provided with screws matched with the nuts 13, and the nuts 13 are matched with the screws of the charging wire 2, as shown in positions a and B in fig. 6 and 7; the communication terminal 124 is a plug terminal, and a plug matched with the plug terminal is arranged at an end of the wire body 23 connected with the communication terminal 124, and the plug terminal is matched and connected with the plug of the charging wire 2, as shown in a position C in fig. 6 and 7.

The positive terminal 122 and the negative terminal 123 both adopt nuts 13, so that a charging link is output from the edge 121 of the extending plate of the PCB 12 and directly enters the charging wire 2 through the positive terminal 122 and the negative terminal 123, and no adapter plate or adapter terminal is arranged in the middle, so that connecting wires can be greatly reduced, and the nuts 13 are adopted to transmit power current, so that the transmission is more reliable; the communication terminal 124 is used for realizing communication between the charger 1 and the battery and monitoring the cell voltage at any time, and the communication terminal 124 adopts a plug terminal, so that the plug operation is more convenient; preferably, the communication terminal 124 is provided between the positive terminal 122 and the negative terminal 123.

Furthermore, as shown in fig. 6, a limiting part 112 for passing through the three wire bodies 21, 22, 23 of the charging wire 2 is disposed outside the machine frame 11, and after passing through the limiting part 112, one end of each of the three wire bodies 21, 22, 23 of the charging wire 2 is correspondingly connected to the positive terminal 122, the negative terminal 123 and the communication terminal 124, so that the three wire bodies 21, 22, 23 of the charging wire 2 are limited on the machine frame 11 by the limiting part 112, thereby facilitating the fixing of the charging wire 2 on the machine frame 11, as shown in fig. 4, the included angle α at the position indicated by the arrow in the drawing is preferably 90 °.

Of course, the power current can be transmitted by using the plug terminal, and the communication signal can be transmitted by using the nut 13, so that the above objects of the present invention can be achieved, and the present invention is within the protection scope of the present invention.

Further, as shown in fig. 1 to 4, two opposite sides of the PCB 12 each have one or more extension board edges 121, each extension board edge 121 extends to a side surface of the machine frame 11, and three connection terminals 120, namely a positive connection terminal 122, a negative connection terminal 123 and a communication terminal 124, are disposed at each extension board edge 121, so as to achieve the purpose that one charger 1 charges and communicates with a plurality of batteries simultaneously; preferably, the communication terminal 124 is located between the positive wire terminal 122 and the negative wire terminal 123.

In a specific embodiment, as shown in fig. 3 and 4, two extending board edges 121 are respectively disposed on two opposite sides of the PCB 12, that is, the number of the four extending board edges 121 disposed on the PCB 12 is four, two of the four extending board edges 121 are disposed on two opposite sides of the PCB 12, each extending board edge 121 extends to a side surface of the machine frame 11, and three connecting terminals 120 are disposed at each extending board edge 121, which are a positive connecting terminal 122, a negative connecting terminal 123 and a communication terminal 124; the positive wiring terminal 122 and the negative wiring terminal 123 are both nuts 13, the communication terminal 124 is a plug terminal, so that the charger 1 can charge the battery, the charger 1 can communicate with the battery, the voltage of a battery cell is monitored at any time, and the design does not need to weld wires on the PCB 12 to terminals on the frame 11, so that few wires in the charger 1 are arranged, all the wires are arranged outside the charger 1, the internal structural parts of the charger 1 are simplified, the production efficiency of the charger is improved, the reliability of the charger is improved, and the cost is reduced; and the charging wire convenient to detach connects, has improved the manufacturability and the maintainability of charger 1 greatly.

The plant protection unmanned aerial vehicle battery charger 1 is taken as an example for explanation, when designing the PCB 12 board edge inside the plant protection unmanned aerial vehicle battery charger 1, the PCB 12 board edge is extended to the side surface of the charger 1 frame 11, the terminals of positive and negative outputs are welded to the extended board edge 121 of the PCB 12, and the 485 communication signal is output to the 485 terminal at the extended board edge 121 through the PCB wiring, so that the internal cable of the charger 1 is greatly reduced. Specifically, positive terminal, negative terminal all adopt vertical nut 13, and the 485 terminal adopts the seat of taking the buckle, when charging wire 2 need be changed, only need with the screw locking of charging wire 2 positive, negative terminal, plug 485 terminal simultaneously, can change charging wire 2. Because the extension board edge 121 of the PCB 12 is flush with the side surface of the charger 1, the charging link is output from the extension board edge 121 of the PCB 12 and directly enters the charging wire 2 through the positive terminal and the negative terminal, and the adapter plate and the adapter terminal are not arranged in the middle, so that the number of connecting wires can be greatly reduced.

In other embodiments of the present invention, two terminals 120, namely a positive terminal and a negative terminal, are disposed at least one of the extension board edges 121; charging wire 2 includes two line bodies, and positive binding post and negative binding post are used for corresponding the connection with two line bodies of charging wire 2.

In a specific embodiment, the positive terminal and the negative terminal are both nuts 13, and the ends of the two wire bodies of the charging wire 2 are both provided with screws matched with the nuts 13. Also to only having the function of charging, do not possess the charger with battery communication function, the extension flange edge 121 that extends to frame 11 that sets up on PCB 12 can be adopted equally, direct through PCB line output extension flange edge 121 of power current, recycle and fix and be connected with charging wire 2 at the binding post that extends flange edge 121 department, the realization charges the battery, and realized the inside few wire rod of charger 1, charger 1 inner structure has been simplified, and charging wire 2 convenient to detach connects, the manufacturability and the maintainability of charger 1 have been improved greatly.

In any of the above embodiments, as shown in fig. 5 and 9, the charger 1 further includes a control panel 14, and the control panel 14 may be disposed at a suitable position of the machine frame 11. Further, the control panel 14 includes at least one of physical keys, touch screen keys, a display screen, and indicator lights. In one embodiment, a control panel 14 is provided on the back of the frame 11 to facilitate user operation.

In one embodiment, the control panel 14 includes a start/stop key 141, at least one charge status indicator lamp 142 and a warning lamp 143, wherein the at least one charge status indicator lamp 142 is connected to the corresponding extension board edge 121 for indicating the charge status of the battery 4 connected to the connection terminal 120 at the extension board edge 121. Specifically, when the charger 1 is used for charging four batteries 4, the charger 1 is connected to an ac power supply, as shown in fig. 10, an ac power supply interface 15 is provided on the charger 1, the charger 1 is connected to the ac power supply through an ac power line 3 and then connected to the four batteries 4, as shown in fig. 11, one end of a charging wire 2 is connected to the charger 1, and the other end of the charging wire 2 is connected to the batteries 4, so that the charger 1 is connected to the batteries 4; the start/stop button 141 is pressed and the charger 1 is used to charge the four batteries 4, at which time the corresponding indicator light emits the corresponding indicator signal. Further, when an abnormality occurs in the charger 1, the warning lamp 143 blinks to indicate the abnormality. The charger 1 communicates with the battery 2 through the communication terminal 124. In one embodiment, the charger 1 can sequentially charge the batteries 4 from high to low according to the remaining battery capacity, in another embodiment, the charger 1 can also select any two batteries 4 with higher remaining battery capacity to charge first, and then charge the remaining two batteries 4, in still another embodiment, the charger 1 can also charge the batteries 3 with lower remaining battery capacity first, and then synchronously charge all the batteries 4 when the remaining battery capacities of the four batteries 4 are consistent. The control panel 14 may further include a fast/slow charging switch button 144, and the short press of the fast/slow charging switch button 144 may switch between fast and slow charging modes, and the indicator lights above or below the button will be turned on. It is to be understood that the above description is intended to be illustrative, and not restrictive.

Further, as shown in fig. 5, 11 and 12, a fixing structure 111 is further disposed outside the machine frame of the charger 1 for fixing the charging wire 2, specifically, the fixing structure 111 is used for fixing the charging wire 2 on the machine frame 11 of the charger 1. In one embodiment, when the charger 1 is used or not used, the battery power interface (i.e. the interface of the charging wire 2 connected with the battery 4) is disconnected from the battery 4, and the charger 1 is connected with an external power source, and the battery power wire (i.e. the charging wire 2) is fixed to the fixing structure 111, the fixing structure 111 may be a fixing groove, for example, and specifically, the battery power wire (i.e. the charging wire 2) may be fixed in the fixing groove in a clamping manner to play a protection role. In an embodiment, for the charging wire 2 with a larger end of the charging wire 2, an accommodating space for accommodating the end of the charging wire 2 can be further provided outside the frame 11 of the charger 1, such as a charging wire fixing port 16 shown in fig. 11 and 13, which is convenient for accommodating and protecting the charging wire 2.

Further, the charger 2 includes a first end and a second end, the first end of the charger 2 is used for connecting with the connection terminal 120 of the charger 1, the second end of the charger 2 is used for connecting with the battery 4, the second end of the charger 2 is detachably fixed on the frame 11 of the charger 1 through the fixing structure 111. further, the second end of the charger 2 can cross the top of the frame 11 of the charger 1 and is detachably fixed on the side of the frame 11 opposite to the first end of the charger 2. in order to facilitate a user to charge one or more sets of batteries 4 through the charger 1, several charger wires 2 matched with the charger 1 can be connected to the charger 1 on the charger 1, the charger 1 connected with the charger 2 serves as a charger assembly, one end of the charger 2 is connected with the charger 1, the other end of the charger 2 is received on the frame 11 of the charger 1 through the fixing structure 111 on the charger 11 of the charger 1, when the charger 4 is needed to charge the battery 4 through the charger 1, the charger 1 is connected to an AC power source, as shown in fig. 10, then two horizontal arrows are used, the charger 2 is connected to the charger 1, the charger 2 can be connected to the charger 2, when the charger 2 is needed, the charger 2 can be connected to the charger 2, the charger 2 can be connected to a different battery can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2, when the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2, when the charger 2, the charger 2 can be connected to a charger 2 can be connected to.

As shown in fig. 13 and 14, the charger 1 further includes a handle 10, a heat dissipation hole 17, a fan protection cover 18, an interface protection cover 19, and a ground wire interface 20. In one embodiment, the handle 10 is disposed on the top of the machine frame 11 of the charger 1, the heat dissipation hole 17 and the control panel 14 are disposed on the same side of the charger 1, and the fan protection cover 18, the interface protection cover 19, the ground wire interface 20 and the ac power interface 15 are disposed on the opposite side of the charger 1 from the heat dissipation hole 17.

As shown in fig. 1 to 14, the unmanned aerial vehicle system provided by the technical solution of the second aspect of the present invention includes: the unmanned aerial vehicle charging system comprises an unmanned aerial vehicle, a charger 1 and a charging wire 2 matched with the charger 1, wherein the charger 1 charges a battery 4 of the unmanned aerial vehicle through the charging wire 2; as shown in fig. 1 and 2, the charger 1 includes a machine frame 11 and a PCB 12 disposed in the machine frame 11, the PCB 12 includes at least one extension board edge 121, the extension board edge 121 extends to the machine frame 11, at least one connection terminal 120 is disposed at the extension board edge 121, the connection terminal 120 is directly electrically connected to the extension board edge 121, and the connection terminal 120 is used for connecting the charging wire 2.

The unmanned aerial vehicle system provided by the embodiment of the invention aims at the problem of more cables in the charger, the extending plate edge 121 extending to the machine frame 11 is arranged on the PCB 12, power current or communication signals and the like are directly output to the extending plate edge 121 through PCB wiring, and the wiring terminal 120 which is fixed at the extending plate edge 121 and is directly electrically connected with the extending plate edge 121 is connected with the charging wire 2, so that the battery of the unmanned aerial vehicle is charged or is communicated with the battery of the unmanned aerial vehicle, and therefore, the design does not need to weld a terminal of a wire rod on the machine frame 11 on the PCB 12, so that few wire rods in the charger 1 are arranged outside the charger 1, the internal structural parts of the charger 1 are simplified, the charging wire 2 is convenient to detach and connect, and the manufacturability and the maintainability of the charger 1 are greatly improved.

The specific structure of the unmanned aerial vehicle system provided by the above embodiment of the present invention refers to the above detailed description of the structure of the charger, and the unmanned aerial vehicle system of this embodiment has the beneficial effects of the charger of any of the above embodiments.

Preferably, as shown in fig. 5 to 7, the extension board edge 121 extends to the side of the machine frame 11 to realize that the terminal block 120 is out of the line from the side, so as to realize that the charging wire 2 is connected to the side of the charger 1, which is more in accordance with the conventional design, and is convenient for the user to perform the operation of connecting the charging wire 2 to the charger 1 or detaching the charging wire 2 from the charger 1. In other embodiments, the extension board edge 121 may also extend to other suitable surfaces of the machine frame 11, such as the front surface, the top surface, etc., and this embodiment is merely an example and is not limited herein.

In an embodiment of the present invention, as shown in fig. 6 and 7, the at least one connection terminal 120 is a nut 13, the nut 13 is fixed on the extension board edge 121, the charging wire 2 includes a screw, specifically, the end of the charging wire 2 connected to the charger 1 is configured as a screw, so that the charging wire 2 is connected to the nut 13 of the charger 1 through the screw, and both the a position and the B position in fig. 6 and 7 are the matching structure of the screw and the nut 13. Through extending PCB 12 flange to frame 11, walk the wire rod in the replacement frame 11 through PCB, PCB 12 be qualified for the next round of competitions and change into vertical nut 13, and charging wire 2 passes through the screw locking on nut 13 to be convenient for charging wire 2's change and maintenance, and adopt the mode that nut 13 connects, it is better to connect the reliability.

In some embodiments of the present invention, as shown in fig. 1 to 4, three connection terminals 120 are disposed at the at least one extension board edge 121, respectively a positive connection terminal 122, a negative connection terminal 123 and a communication terminal 124; as shown in fig. 6 and 7, the charging wire 2 includes three wire bodies, namely a first wire body 21, a second wire body 22, and a third wire body 23, and the positive terminal 122, the negative terminal 123, and the communication terminal 124 are used to be connected to the three wire bodies 21, 22, and 23 of the charging wire 2, as shown in fig. 6 and 7, which are in a matching structure of A, B, C positions. Therefore, the communication between the charger and the battery is realized while the battery is charged by the charger.

Explaining by taking a plant protection unmanned aerial vehicle system as an example, when designing the 12 board edges of the PCB in the plant protection unmanned aerial vehicle battery charger 1, the 12 board edges of the PCB are extended to the side surface of the frame 11 of the charger 1, the terminals of positive and negative outputs are welded to the extended board edges 121 of the PCB 12, and the 485 communication signals are output to the 485 terminals at the extended board edges 121 through PCB wiring, so that the cables in the charger 1 are greatly reduced. Specifically, positive terminal, negative terminal all adopt vertical nut 13, and the 485 terminal adopts the seat of taking the buckle, when charging wire 2 need be changed, only need with the screw locking of charging wire 2 positive, negative terminal, plug 485 terminal simultaneously, can change charging wire 2. Because the extension board edge 121 of the PCB 12 is flush with the side surface of the charger 1, the charging link is output from the extension board edge 121 of the PCB 12 and directly enters the charging wire 2 through the positive terminal and the negative terminal, and the adapter plate and the adapter terminal are not arranged in the middle, so that the number of connecting wires can be greatly reduced.

In one embodiment, the control panel 14 includes a start/stop button 141, at least one charge status indicator lamp 142 and a warning lamp 143, and may further include a fast charge/slow charge switch button 144, wherein the at least one charge status indicator lamp 142 is connected to the corresponding extension board edge 121 for indicating the charge status of the battery 4 connected to the connection terminal 120 at the extension board edge 121. Specifically, when the charger 1 is used for charging four batteries 4, the charger 1 is connected to an ac power supply, as shown in fig. 10, an ac power supply interface 15 is provided on the charger 1, the charger 1 is connected to the ac power supply through an ac power line 3 and then connected to the four batteries 4, as shown in fig. 11, one end of a charging wire 2 is connected to the charger 1, and the other end of the charging wire 2 is connected to the batteries 4, so that the charger 1 is connected to the batteries 4; the start/stop button 141 is pressed and the charger 1 is used to charge the four batteries 4, at which time the corresponding indicator light emits the corresponding indicator signal. Further, when an abnormality occurs in the charger 1, the warning lamp 143 blinks to indicate the abnormality. The charger 1 communicates with the battery 2 through the communication terminal 124. In one embodiment, the charger 1 can sequentially charge the batteries 4 from high to low according to the remaining battery capacity, in another embodiment, the charger 1 can also select any two batteries 4 with higher remaining battery capacity to charge first, and then charge the remaining two batteries 4, in still another embodiment, the charger 1 can also charge the batteries 3 with lower remaining battery capacity first, and then synchronously charge all the batteries 4 when the remaining battery capacities of the four batteries 4 are consistent. It is to be understood that the above description is intended to be illustrative, and not restrictive.

Further, as shown in fig. 5, 11 and 12, a fixing structure 111 is further disposed outside the machine frame of the charger 1 for fixing the charging wire 2, specifically, the fixing structure 111 is used for fixing the charging wire 2 on the machine frame 11 of the charger 1. In one embodiment, when the charger 1 is used or not used, the battery power interface (i.e. the interface of the charging wire 2 connected with the battery 4) is disconnected from the battery 4, and the charger 1 is connected with an external power source, and the battery power wire (i.e. the charging wire 2) is fixed to the fixing structure 111, the fixing structure 111 may be a fixing groove, for example, and specifically, the battery power wire (i.e. the charging wire 2) may be fixed in the fixing groove in a clamping manner to play a protection role. In an embodiment, for the charging wire 2 with a larger end of the charging wire 2, an accommodating space for accommodating the end of the charging wire 2 may be further provided outside the frame 11 of the charger 1, such as a charging wire fixing port 16 shown in fig. 11 and 13.

Further, the charger 2 includes a first end and a second end, the first end of the charger 2 is used for connecting with the connection terminal 120 of the charger 1, the second end of the charger 2 is used for connecting with the battery 4, the second end of the charger 2 is detachably fixed on the frame 11 of the charger 1 through the fixing structure 111. further, the second end of the charger 2 can cross the top of the frame 11 of the charger 1 and is detachably fixed on the side of the frame 11 opposite to the first end of the charger 2. it can be understood that, in order to facilitate a user to charge one or more sets of batteries 4 using the charger 1, several charger wires 2 adapted to the charger 1 can be connected to the charger 1 on the charger 1, the charger 1 connected with the charger 2 serves as a charger assembly, one end of the charger 2 is connected to the charger 1, the other end of the charger 2 is received in the frame 11 of the charger 1 through the fixing structure 111 on the charger 11 of the charger 1, when the battery 4 needs to be charged using the charger 1, the charger 1 is connected to an AC power source, as shown in FIG. 10, then two horizontal arrows are used, the charger 2 is connected to the charger 1, the charger 2 can be connected to the charger 11, when the battery 4, the charger 2 is connected to the charger 2, the charger 2 can be connected to a different battery can be connected to a charger 2, the charger can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, when the charger 2, the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, the charger 2 can be connected to a charger 2, when the charger 2 can be connected to a charger 2.

The charger 1 and the unmanned aerial vehicle system of the embodiment of the invention have the technical advantages that:

1) aiming at the problem of a large number of cables in the charger 1, an extension plate edge 121 extending to a machine frame 11 is arranged on a PCB 12, power current is directly output to the extension plate edge 121, a power nut 13 is welded on the extension plate edge 121, a charging wire 2 can be locked on the nut 13 to charge a battery, so that all power wires are eliminated, and the internal structure of the charger is greatly simplified;

2) the PCB wiring is utilized to directly output the communication signal to the extending plate edge 121 of the PCB 12, a plug-in type communication terminal 124 (such as a 485 terminal) is fixed on the extending plate edge 121, the charging wire 2 comprises a communication plug, the communication plug is connected with the communication terminal 124 in a plug-in manner, the communication between the charger 1 and the battery is realized, and the voltage of the battery cell is monitored at any time; when multichannel charger and battery communication, utilize PCB to walk the line and directly export each way battery from MCU, cancel communication wire rod completely, improve manufacturability greatly.

Through the scheme, the PCB wiring can be used for replacing the internal connecting wire of the charger 1, so that the internal structural part of the charger 1 is simplified; wires inside the charger 1 are greatly reduced, the wires are arranged outside the charger 1, the reliability and the manufacturability of the charger 1 are improved, and the manufacturing speed is greatly improved; the detachable function of the charging wire 2 is realized, and the charging wire 2 is convenient to detach and replace; and adopt the nut 13 of fixing in extension flange edge 121 department of PCB 12 as binding post 120, detachable charging wire 2 adopts the cooperation of screw and nut 13 to realize being connected with charger 1, ensures the fastness of connection to ensure power current transmission's reliability.

The charger 1 provided by the embodiment of the invention is suitable for the application scene of outputting large current from an internal PCB to a shell terminal in a machine frame product, such as a high-power unmanned aerial vehicle charger with multi-path output; for example, a high-power switching power supply requiring a detachable output wire is also within the scope of the present invention as long as the design concept of the present invention is not departed.

In the description of the present invention, the term "plurality" means two or more unless explicitly specified or limited otherwise; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present specification, it is to be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

A charger, comprising:

a machine frame; and

locate PCB in the frame, PCB includes at least one extension flange limit, the extension flange limit extends to the frame, extension flange limit department is provided with at least one binding post, binding post with extension flange limit direct electrical connection, binding post be used for connect with the charging wire of charger adaptation.
The charger of claim 1,

the side of frame is provided with the through-hole, extend the flange and wear to locate the through-hole.
The charger of claim 1,

the wiring terminal comprises a fixing portion and a connecting portion, the fixing portion is used for fixing the wiring terminal on the edge of the extension plate, and the connecting portion is used for connecting the wiring terminal with the charging wire.
The charger of claim 1,

at least one binding post is the nut, the nut is fixed extend the flange limit, the charging wire includes the screw, the charging wire passes through the screw with the nut is connected.
The charger according to claim 4,

the nut is welded to the extension plate edge.
The charger according to claim 4,

the extension plate edge extends to the side face of the machine frame, and the wire outlet face of the nut is located on the side face of the machine frame.
The charger according to claim 4,

and outputting power current to the edge of the extension plate provided with the nut through a PCB (printed Circuit Board) routing, wherein the nut is used for transmitting the power current.
The charger of claim 7,

the nuts which are arranged in pairs are fixed at the edge of the extension plate and are respectively used as a positive wiring terminal and a negative wiring terminal.
The charger of claim 1,

at least one binding post is the plug terminal, the plug terminal is fixed extend the flange limit, the charging wire includes the plug, the charging wire passes through the plug with the plug terminal plug connection.
The charger of claim 9,

the plug terminal is a seat with a buckle, and the plug of the charging wire is connected with the plug terminal in a clamping mode through the buckle.
The charger of claim 9,

the plug terminal and the extending plate are provided with through holes which are correspondingly arranged, and the plug terminal is fastened at the extending plate through a fastening piece.
The charger of claim 9,

and outputting a communication signal to the edge of the extension plate provided with the plugging terminal through a PCB (printed circuit board) wiring, wherein the plugging terminal is used for transmitting the communication signal.
The charger of claim 12,

the plug terminal is a 485 terminal.
The charger according to any one of claims 1 to 13,

three wiring terminals, namely a positive wiring terminal, a negative wiring terminal and a communication terminal, are arranged at the edge of at least one extension plate;

the charging wire comprises three wire bodies, and the positive wiring terminal, the negative wiring terminal and the communication terminal are used for being correspondingly connected with the three wire bodies of the charging wire.
The charger of claim 14,

the positive wiring terminal and the negative wiring terminal are both nuts, and the end of one wire body connected with the positive wiring terminal and the end of one wire body connected with the negative wiring terminal are both provided with screws matched with the nuts;

the communication terminal is a plug terminal, and a plug matched with the plug terminal is arranged at the end of one wire body connected with the communication terminal.
The charger of claim 14,

the machine frame is externally provided with a limiting part for the three wire bodies of the charging wires to pass through, and one end parts of the three wire bodies of the charging wires are correspondingly connected with the positive wiring terminal, the negative wiring terminal and the communication terminal after passing through the limiting part.
The charger of claim 14,

the both sides that the PCB is relative all have one or more extend the flange limit, each extend the flange limit and all extend to the side of frame, each it all is provided with three to extend flange limit department binding post.
The charger of claim 17,

the number of the extension plate edges is four, and the four extension plate edges are arranged on two opposite sides of the PCB in pairs.
The charger according to any one of claims 1 to 8,

two wiring terminals, namely a positive wiring terminal and a negative wiring terminal, are arranged at the edge of at least one extension plate;

the charging wire comprises two wire bodies, and the positive wiring terminal and the negative wiring terminal are used for being correspondingly connected with the two wire bodies of the charging wire.
The charger of claim 19,

the positive wiring terminal and the negative wiring terminal are both nuts, and screws matched with the nuts are arranged at the end parts of the two wire bodies of the charging wires.
The charger according to any one of claims 1 to 13,

the charger also comprises a control panel, and the control panel is arranged on the machine frame.
The charger of claim 21,

the control panel comprises at least one of a physical key, a touch screen key, a display screen and an indicator light.
The charger of claim 22,

the control panel comprises an indicator light, the indicator light comprises one or more charging state indicator lights, and at least one charging state indicator light is connected with the corresponding extending plate edge and used for indicating the electric quantity state of a battery connected with the wiring terminal at the extending plate edge.
The charger according to any one of claims 1 to 13,

the frame is provided with fixed knot outward and constructs, fixed knot construct be used for with the charging wire is fixed on the charger the frame.
The charger of claim 24,

the fixing structure comprises a fixing groove, and the charging wire is clamped and fixed in the fixing groove.
The charger of claim 24,

the charging wire includes first end and second end, the first end of charging wire be used for with the charger binding post connects, the second end of charging wire is used for being connected with the battery, the second end of charging wire can pass through fixed knot constructs detachably to be fixed the charger on the frame.
The charger of claim 26,

the second end of charging wire can cross the charger the top of frame to detachably fixes the frame with one side that the first end of charging wire was carried on the back mutually.
An unmanned aerial vehicle system, comprising:

an unmanned aerial vehicle;

a charger; and

the charging wire is matched with the charger, and the charger charges the battery of the unmanned aerial vehicle through the charging wire;

wherein, the charger includes the frame and locates PCB in the frame, PCB includes at least one extension flange limit, the extension flange limit extends to the frame, extension flange limit department is provided with at least one binding post, binding post with extension flange limit direct electrical connection, binding post is used for connecting the charging wire.
The drone system of claim 28,

the side of frame is provided with the through-hole, extend the flange and wear to locate the through-hole.
The drone system of claim 28,

the wiring terminal comprises a fixing portion and a connecting portion, the fixing portion is used for fixing the wiring terminal on the edge of the extension plate, and the connecting portion is used for connecting the wiring terminal with the charging wire.
The drone system of claim 28,

at least one binding post is the nut, the nut is fixed extend the flange limit, the charging wire includes the screw, the charging wire passes through the screw with the nut is connected.
The drone system of claim 31,

the nut is welded to the extension plate edge.
The drone system of claim 31,

the extension plate edge extends to the side face of the machine frame, and the wire outlet face of the nut is located on the side face of the machine frame.
The drone system of claim 31,

and outputting power current to the edge of the extension plate provided with the nut through a PCB (printed Circuit Board) routing, wherein the nut is used for transmitting the power current.
The drone system of claim 34,

the nuts which are arranged in pairs are fixed at the edge of the extension plate and are respectively used as a positive wiring terminal and a negative wiring terminal.
The drone system of claim 28,

at least one binding post is the plug terminal, the plug terminal is fixed extend the flange limit, the charging wire includes the plug, the charging wire passes through the plug with the plug terminal plug connection.
The drone system of claim 36,

the plug terminal is a seat with a buckle, and the plug of the charging wire is connected with the plug terminal in a clamping mode through the buckle.
The drone system of claim 36,

the plug terminal and the extending plate are provided with through holes which are correspondingly arranged, and the plug terminal is fastened at the extending plate through a fastening piece.
The drone system of claim 36,

and outputting a communication signal to the edge of the extension plate provided with the plugging terminal through a PCB (printed circuit board) wiring, wherein the plugging terminal is used for transmitting the communication signal.
The drone system of claim 39,

the plug terminal is a 485 terminal.
The drone system of any one of claims 28 to 40,

three wiring terminals, namely a positive wiring terminal, a negative wiring terminal and a communication terminal, are arranged at the edge of at least one extension plate;

the charging wire comprises three wire bodies, and the positive wiring terminal, the negative wiring terminal and the communication terminal are used for being correspondingly connected with the three wire bodies of the charging wire.
The drone system of claim 41,

the positive wiring terminal and the negative wiring terminal are both nuts, and the end of one wire body connected with the positive wiring terminal and the end of one wire body connected with the negative wiring terminal are both provided with screws matched with the nuts;

the communication terminal is a plug terminal, and a plug matched with the plug terminal is arranged at the end of one wire body connected with the communication terminal.
The drone system of claim 41,

the machine frame is externally provided with a limiting part for the three wire bodies of the charging wires to pass through, and one end parts of the three wire bodies of the charging wires are correspondingly connected with the positive wiring terminal, the negative wiring terminal and the communication terminal after passing through the limiting part.
The drone system of claim 41,

the both sides that the PCB is relative all have one or more extend the flange limit, each extend the flange limit and all extend to the side of frame, each it all is provided with three to extend flange limit department binding post.
The drone system of claim 44,

the number of the extension plate edges is four, and the four extension plate edges are arranged on two opposite sides of the PCB in pairs.
The drone system of any one of claims 28 to 40,

the charger also comprises a control panel, and the control panel is arranged on the machine frame.
The drone system of claim 46,

the control panel comprises at least one of a physical key, a touch screen key, a display screen and an indicator light.
The charger of claim 47, wherein,

the control panel comprises an indicator light, the indicator light comprises one or more charging state indicator lights, and at least one charging state indicator light is connected with the corresponding extending plate edge and used for indicating the electric quantity state of a battery connected with the wiring terminal at the extending plate edge.
The drone system of any one of claims 28 to 40,

the frame is provided with fixed knot outward and constructs, fixed knot construct be used for with the charging wire is fixed on the charger the frame.
The drone system of claim 49,

the fixing structure comprises a fixing groove, and the charging wire is clamped and fixed in the fixing groove.
The drone system of claim 49,

the charging wire includes first end and second end, the first end of charging wire be used for with the charger binding post connects, the second end of charging wire is used for being connected with the battery, the second end of charging wire can pass through fixed knot constructs detachably to be fixed the charger on the frame.
The drone system of claim 51,

the second end of charging wire can cross the charger the top of frame to detachably fixes the frame with one side that the first end of charging wire was carried on the back mutually.