WO2020107280A1 - 充电器和无人机系统 - Google Patents

充电器和无人机系统 Download PDF

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Publication number
WO2020107280A1
WO2020107280A1 PCT/CN2018/117994 CN2018117994W WO2020107280A1 WO 2020107280 A1 WO2020107280 A1 WO 2020107280A1 CN 2018117994 W CN2018117994 W CN 2018117994W WO 2020107280 A1 WO2020107280 A1 WO 2020107280A1
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WIPO (PCT)
Prior art keywords
terminal
charger
plug
charging
wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/117994
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English (en)
French (fr)
Inventor
张彩辉
林宋荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Priority to CN201880065639.4A priority Critical patent/CN111406354A/zh
Priority to PCT/CN2018/117994 priority patent/WO2020107280A1/zh
Publication of WO2020107280A1 publication Critical patent/WO2020107280A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries

Definitions

  • the present invention relates to the technical field of chargers, and more specifically, to a charger and a drone system.
  • the existing high-power charger with a frame such as a charger for charging the battery of the drone
  • the plug-in terminal needs to be fixed on the frame, and the user pairs the terminal with the charging cable Plug in to charge the battery.
  • This design requires the internal PCB welding wire of the charger to the terminal on the chassis.
  • the terminal needs to be soldered to an adapter plate to fix the terminal on the chassis; in addition, in order to ensure charging safety, smart chargers need Communicate with the battery and monitor the cell voltage from time to time. If the above adapter board is used, the charger wiring will be complicated. With the increase of charging channels, more and more output wires will greatly reduce the manufacturability and Repairability.
  • the present invention aims to solve at least the technical problems existing in the prior art.
  • the technical solution of the first aspect of the present invention provides a charger, including: a chassis; and a PCB provided in the chassis, the PCB includes at least one extended edge, the An extension board edge extends to the chassis, at least one connection terminal is provided at the extension board edge, the connection terminal is directly electrically connected to the extension board edge, and the connection terminal is used to connect to the charger Equipped with charging cable.
  • the technical solution of the second aspect of the present invention provides a drone system, including: a drone; a charger; and a charging line adapted to the charger, the charger passing the charging line pair Battery charging of the drone; wherein, the charger includes a chassis and a PCB provided in the chassis, the PCB includes at least one extension board edge, and the extension board edge extends to the chassis At least one terminal is provided at the edge of the extension plate, the terminal is directly electrically connected to the edge of the extension plate, and the terminal is used to connect the charging line.
  • an extension board extending to the chassis is provided on the PCB, and power current or communication signals are directly output to the extension board, and then fixed on the extension board
  • the connection terminal at the edge and directly connected to the extension board is connected to the charging line to charge or communicate with the battery.
  • FIG. 1 is a schematic diagram of a horizontal cross-sectional structure of a charger according to an embodiment of the present invention
  • FIG. 2 is a schematic side view structure diagram of a chassis of a charger according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of the structure of the PCB of the charger and the terminals on the charger according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of the output control of the PCB of the charger according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of the connection between the charger and the charging cable according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the wiring structure of the charger and the charging line shown in FIG. 5;
  • FIG. 7 is a partial schematic diagram of the structure shown in FIG. 6;
  • 8 is a schematic structural diagram of a nut of a charger according to an embodiment of the present invention, wherein 8a in the illustration is a schematic structural sectional view of the nut, 8b is a schematic structural view of the side view of the nut, and 8c is a schematic structural view of the front view of the nut;
  • FIG. 9 is a schematic structural diagram of a control panel of a charger according to an embodiment of the invention.
  • FIG. 10 is a schematic diagram of a connection structure of a charger and an AC power cord according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a charger connected to a battery through a charging cable according to an embodiment of the present invention
  • FIG. 12 is a schematic diagram of the structure of the charger and charging cable storage shown in FIG. 11;
  • FIG. 13 is another schematic structural diagram of a charger connected to a charging line according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of a side view of the charger shown in FIG. 13 after being connected to a charging cable.
  • 1 charger, 10 handles, 11 frame, 110 through hole, 111 fixing structure, 112 limit part, 12PCB, 120 terminal, 121 extension board edge, 122 positive terminal, 123 negative terminal, 124 communication terminal, 13 nut, 131 fixing part, 132 connecting part, 14 control panel, 141 start/stop button, 142 charging status indicator, 143 warning light, 144 fast charging/slow charging switching button, 15 AC power interface, 16 charging cable fixing port , 17 cooling holes, 18 fan protection cover, 19 interface protection cover, 20 ground wire interface, 2 charging cable, 21 first wire body, 22 second wire body, 23 third wire body, 3 AC power cord, 4 battery.
  • FIGS. 1 to 14 a charger provided according to the technical solution of the first aspect of the present invention and a drone system to which the above charger is applied according to the technical solution of the second aspect of the present invention will be described with reference to FIGS. 1 to 14.
  • the charger 1 provided by the technical solution of the first aspect of the present invention includes a chassis 11 and a PCB 12 (ie, a printed circuit board) provided in the chassis 11.
  • a PCB 12 ie, a printed circuit board
  • the PCB 12 includes at least one extension board edge 121, and the extension board edge 121 extends to the chassis 11. At least one terminal 120 is provided at the extension board edge 121. The terminal 120 and the extension The board edge 121 is directly electrically connected, and the terminal 120 is used to connect the charging cable 2 adapted to the charger 1.
  • the edge of the existing PCB is usually a straight edge
  • the extended edge 121 of the present invention is formed by a part of the straight edge of the PCB 12 protruding outward, as shown in FIGS. 3 and 4, that is, PCB 12 Part of the straight edge protrudes outward to form an extended edge 121.
  • an extension board edge 121 extending to the chassis 11 is provided on the PCB 12 to route the power current or communication signals directly through the PCB Output to the extension board edge 121, and then use the connection terminal 120 fixed at the extension board edge 121 and directly connected to the extension board edge 121 to be connected to the charging line 2, so as to charge the battery or communicate with the battery, so the design does not need to be on the PCB Welding wires on 12 to the terminals on the frame 11, so that there are very few wires inside the charger 1, placing the wires outside the charger 1 simplifies the internal structural parts of the charger 1, and the charging wire 2 is easy to disconnect and connect, greatly improving The manufacturability and maintainability of the charger 1 are shown.
  • connection terminal 120 in order to realize the side outlet of the connection terminal 120, that is, in order to realize that the connection terminal 120 provided at the side of the extension plate 121 is connected to the charging line 2 outside the frame 11, the frame 11 A through hole 110 is provided on the side of the housing, and the extension plate edge 121 is inserted through the through hole 110, so that the terminal 120 provided at the extension plate edge 121 is connected to the charging cable 2 through the position of the through hole 110, that is, at the position of the through hole 110
  • the connection terminal 120 is connected to the charging line 2, so that the charging line 2 is connected to the charger 1, and the charging line 2 is connected to the side of the charger 1, which is more in line with the conventional design and convenient for the user to connect the charging line 2 to The operation of removing the charging line 2 from the charger 1 or the charger 1.
  • the extension plate edge 121 extends to the side of the chassis 11 to realize the side outlet of the terminal, thereby connecting the charging cable 2 to the side of the charger 1, which is more in line with conventional design, It is convenient for the user to connect the charging cable 2 to the charger 1 or remove the charging cable 2 from the charger 1.
  • the extending plate edge 121 may also extend to other suitable surfaces such as the front surface, the top surface, and the like of the chassis 11. This embodiment is merely exemplary and is not limited herein.
  • connection terminal 120 includes a fixing portion and a connection portion.
  • the fixing portion is used to fix the connection terminal 120 to the extension plate side 121.
  • the connection portion is used to connect the connection terminal 120 to the charging cable 2.
  • the specific structure of the fixed part and the connecting part can be designed according to the specific design needs.
  • the terminal 120 can be fixed to the extension plate side 121 by welding, screw connection, etc.
  • the connection of the terminal 120 and the charging wire 2 can be Connection methods such as nut 13 connection and plug connection.
  • At least one terminal 120 is a nut 13, the nut 13 is fixed on the side of the extension plate 121, and the charging wire 2 includes screws. Specifically, the charging wire 2 and the charging The connecting end of the device 1 is set as a screw. In this way, the charging cable 2 is connected to the nut 13 of the charger 1 through the screw.
  • the positions A and B in FIG. 6 and FIG. 7 are the matching structure of the screw and the nut 13.
  • the outlet of the PCB 12 is changed to a vertical nut 13 and the charging cable 2 is locked on the nut 13 by screws, thereby facilitating the charging cable 2 Replacement and maintenance, and the use of nut 13 connection, connection reliability is better.
  • the nut 13 is welded to the extension plate edge 121.
  • 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 plate edge 121, thereby fixing the nut 13 to the extension plate edge 121.
  • the connecting portion 132 of 13 is provided with an internal thread that cooperates with the screw of the charging cable 2 so that the nut 13 is connected to the charging cable 2.
  • the extension plate edge 121 extends to the side of the frame 11.
  • the extension plate edge 121 is flush with the side of the frame 11, and the outlet surface of the nut 13 is located at the side of the frame 11 side.
  • weld the nut 13 it is preferable to weld the nut 13 to the position of the extended board edge 121 of the PCB 12.
  • the outlet surface of the nut 13 is just on the side of the frame 11 of the charger 1, so as to realize the wireless material output in the charger 1, all output All the points are placed on the side of the frame 11 of the charger 1, which simplifies the internal structural parts of the charger 1, greatly reduces the internal wires of the charger 1, improves the reliability and manufacturability of the charger 1, and greatly increases the manufacturing speed.
  • the power current is output to the extended board edge 121 provided with a nut 13 through a PCB trace, and the nut 13 is used to transmit the power current. Due to the high reliability of the screw nut 13 matching connection, the nut 13 is used to transmit the power current to ensure that Reliability of power and current transmission.
  • the current internal PCB of the charger outputs current to the battery, and the solder wire on the PCB needs to be output to the frame terminal, resulting in many types of internal wires of the charger and complicated wiring; the present invention uses the PCB 12 to extend to The extension plate edge 121 of the chassis is welded with a high-power nut 13 at the extension plate edge 121, thereby eliminating all power lines, greatly simplifying the internal structure of the charger.
  • nuts 13 arranged in pairs are fixed at the edges 121 of the extension plate, and the nuts 13 arranged in pairs are respectively used as a positive terminal 122 and a negative terminal 123, that is, a positive terminal 122
  • Both the negative terminal 123 and the negative terminal 123 use a nut 13, so that the charging link is output from the extended board side 121 of the PCB 12, and directly enters the charging line 2 through the positive terminal 122 and the negative terminal 123.
  • At least one terminal 120 is a plug-in terminal.
  • the plug-in terminal is fixed on the edge 121 of the extension plate.
  • the charging cable 2 includes a plug. The charging cable 2 passes through the plug Plug-in connection with the plug-in terminal, the position C in Figure 6 and Figure 7 is the mating structure of the plug and the plug-in terminal.
  • a plug-in terminal is provided at the edge 121 of the extension board, and the plug of the charging cable 2 is connected to the plug-in terminal to realize the charger 1
  • the wires are placed outside the charger 1, and it is convenient for the replacement and maintenance of the charging wire 2, making the operation of installing and removing the charging wire 2 more convenient.
  • the plug-in terminal is a seat with a buckle, and the plug of the charging cable 2 and the plug-in terminal are fixed by snap-fitting, that is, the plug of the charging cable 2 and the plug-in terminal are locked and fixed by a buckle, thereby Make sure that the plug and plug terminal are firmly fixed.
  • the plug-in terminal and the extension plate edge 121 are provided with corresponding through holes, the plug-in terminal is fastened at the extension plate edge 121 by fasteners, and the plug-in terminal is fixed to the extension plate by fasteners such as screws At the side 121, it is firmly fixed and easy to assemble.
  • the plug-in terminal includes a fixing portion and a connecting portion, and the fixing portion of the plug-in terminal and the extension plate edge 121 are tightly connected with fasteners such as screws, so as to realize The plug-in terminal is fixed on the edge 121 of the extension plate, and the connecting portion of the plug-in terminal is provided with a snap fit with the plug of the charging cable 2, so that the nut 13 is connected to the charging cable 2.
  • the communication signal is output to the extension board edge 121 provided with a plug-in terminal through a PCB wiring.
  • the plug-in terminal is used to transmit the communication signal. Since the plug-in terminal and the plug of the charging cable 2 are more convenient to plug and unplug, the Ensure the convenience of plugging and unplugging of the plug terminal and the plug of the charging cable 2; preferably, the plug terminal is a 485 terminal; specifically, the charger 1 may be provided with a plurality of extension plate edges 121, a plurality of extension plate edges 121 can be respectively connected to a plurality of batteries, and at this time, the charger 1 can communicate with the plurality of batteries through the communication terminal 124.
  • the existing charger needs a communication port from the lead on the PCB to the battery.
  • the internal wires of the charger greatly increase; the present invention uses PCB traces to output directly from the MCU To each battery, completely eliminate the communication wire, greatly improving manufacturability.
  • At least one extension plate 121 is provided with three terminals 120, namely a positive terminal 122, a negative terminal 123 and a communication terminal 124; as shown in FIG.
  • 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.
  • the positive terminal 122, the negative terminal 123, and the communication terminal 124 are used for charging
  • the three wire bodies 21, 22, and 23 of the wire 2 are correspondingly connected, as shown in the matching structures at three positions A, B, and C in FIG. 6 and FIG. In this way, while charging the battery through the charger, the charger and the battery are communicated.
  • both the positive terminal 122 and the negative terminal 123 are nuts 13, the end of a wire body 21 connected to the positive terminal 122 and the negative terminal 123 The ends of the connected one wire body 22 are all provided with screws that cooperate with the nut 13, and the nut 13 is connected with the screw of the charging cable 2, as shown in the positions A and B in FIGS. 6 and 7;
  • the communication terminal 124 For plugging and unplugging terminals, the end of a wire body 23 connected to the communication terminal 124 is provided with a plug that matches the plugging and unplugging terminal, and the plugging and unplugging terminal is mated with the plug of the charging cable 2, as shown in C in FIGS. 6 and 7 The location is shown.
  • the positive terminal 122 and the negative terminal 123 both use the nut 13, so the charging link is output from the extended board side 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
  • the transfer terminal can greatly reduce the connecting wire, and the nut 13 is used to transmit the power current, making the transmission more reliable;
  • the communication terminal 124 is used to realize the communication between the charger 1 and the battery, and the cell voltage is constantly monitored, and the communication terminal 124 uses a plug terminal , Making insertion and removal operations more convenient; preferably, the communication terminal 124 is provided between the positive terminal 122 and the negative terminal 123.
  • the frame 11 is provided with a limiter 112 for passing the three wires 21, 22, and 23 of the charging wire 2.
  • the three wires 21, 22, and 23 of the charging wire 2 After one end passes through the limiter 112, it is connected to the positive terminal 122, the negative terminal 123, and the communication terminal 124 correspondingly.
  • the angle ⁇ at the position indicated by the arrow in the illustration is preferably 90°.
  • plug-in terminals to transmit power current and nuts 13 to transmit communication signals, which can also achieve the above-mentioned objects of the present invention, and all should fall within the protection scope of the present invention.
  • the two opposite sides of the PCB 12 have one or more extension board edges 121, and each extension board edge 121 extends to the side of the chassis 11, and each extension board edge 121
  • Three terminals 120 are provided everywhere, namely a positive terminal 122, a negative terminal 123 and a communication terminal 124, in order to achieve the purpose of one charger 1 simultaneously charging multiple batteries and communicating with multiple batteries; preferably, communication
  • the terminal 124 is located between the positive terminal 122 and the negative terminal 123.
  • the two opposite sides of the PCB 12 have two extension board edges 121, that is, the number of four extension board edges 121 provided on the PCB 12 is four, four An extension board edge 121 is provided on opposite sides of the PCB 12 one by two. Each extension board edge 121 extends to the side of the chassis 11. Three extension terminals 120 are provided at each extension board edge 121, which are positive terminals respectively 122.
  • Negative terminal 123 and communication terminal 124 wherein, both positive terminal 122 and negative terminal 123 are nuts 13, and communication terminal 124 is a plug-in terminal, so that both charger 1 can charge the battery and charge
  • the device 1 communicates with the battery and monitors the cell voltage from time to time, and this design eliminates the need to solder wires on the PCB 12 to the terminals on the chassis 11, so that there are very few wires inside the charger 1, all the wires are placed outside the charger 1. , Simplify the internal structural parts of the charger 1, improve the production efficiency of the charger, improve the reliability of the charger, and reduce the cost; and the charging cable is easy to disassemble and connect, greatly improving the manufacturability and repairability of the charger 1 Sex.
  • the PCB 12 edge is extended to the side of the charger 11 frame 11, and the positive and negative
  • the output terminal is soldered 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 trace, thereby greatly reducing the internal cable of the charger 1.
  • both the positive and negative terminals use the vertical nut 13, and the 485 terminal uses a seat with a buckle.
  • the charging cable 2 needs to be replaced, just use the screw of the charging cable 2 to lock the positive and negative terminals, and insert and remove 485 at the same time Terminal, you can replace the charging cable 2.
  • the charging link is output from the extended board edge 121 of the PCB 12, and directly enters the charging line 2 through the positive and negative terminals, and there is no adapter board and transfer board in the middle.
  • the connection terminal can greatly reduce the connection wire.
  • At least one extension plate edge 121 is provided with two terminals 120, namely a positive terminal and a negative terminal; the charging line 2 includes two wires, the positive terminal and the negative terminal The terminal is used for corresponding connection with the two wires of the charging wire 2.
  • both the positive terminal and the negative terminal are nuts 13, and the ends of the two wires of the charging cable 2 are provided with screws that cooperate with the nuts 13. That is, for a charger that only has a charging function and does not have a communication function with the battery, an extension board edge 121 that extends to the chassis 11 can also be provided on the PCB 12, and the power current is directly output to the extension board edge through the PCB trace 121, and then use the connection terminal fixed at the edge 121 of the extension plate to connect with the charging line 2, to charge the battery, and realize that there are few wires inside the charger 1, simplify the internal structural parts of the charger 1, and the charging line 2 is convenient
  • the disassembly connection greatly improves the manufacturability and maintainability of the charger 1.
  • the charger 1 further includes a control panel 14, and the control panel 14 may be disposed at a suitable position of the chassis 11. Further, the control panel 14 includes at least one of a physical key, a touch screen key, a display screen, and an indicator light. In one embodiment, the control panel 14 is provided on the back of the chassis 11 to facilitate user operations.
  • the control panel 14 includes a start/stop button 141, at least one charge status indicator 142 and a warning light 143, wherein at least one charge status indicator 142 is connected to the corresponding extension board edge 121 for indicating and The state of charge of the battery 4 connected to the terminal 120 at the side 121 of the extension plate.
  • the charger 1 is connected to an AC power source, as shown in FIG. 10, the charger 1 is provided with an AC power interface 15, and the charger 1 passes the AC power source
  • the cable 3 is connected to an AC power source, and then to four batteries 4. As shown in FIG.
  • the charger 1 is used to charge four batteries 4, at this time the corresponding indicator light sends out the corresponding indication signal. Further, when an abnormality occurs in the charger 1, the warning lamp 143 flashes to indicate the abnormality.
  • the charger 1 communicates with the battery 2 through the communication terminal 124. In one embodiment, the charger 1 may sequentially charge the battery 4 according to the remaining battery power. In another embodiment, the charger 1 may also first select any two batteries with higher remaining power. 4 to charge, and then charge the remaining two batteries 4.
  • the charger 1 can also charge the battery 3 with a lower remaining capacity first, and then recharge the four batteries 4 when the remaining power is the same All batteries 4 are charged synchronously.
  • the control panel 14 can also include fast charging/slow charging switching buttons 144 and other functional modules. Short press the fast charging/slow charging switching button 144 to switch between fast charging and slow charging modes. After selection, the indicator lights above or below the button will be Light up. It can be understood that the above is only an exemplary description and is not limited herein.
  • the frame of the charger 1 is also provided with a fixing structure 111 for fixing the charging wire 2, specifically, the fixing structure 111 is used to connect the charging wire 2 It is fixed on the frame 11 of the charger 1.
  • the battery power interface ie, the interface between the charging cable 2 and the battery 4
  • the charger 1 is connected to the external power source
  • Fix the battery power cord (ie, the charging cord 2) to the fixing structure 111, and the fixing structure 111 may be, for example, a fixing slot, specifically, the battery power cord (ie, the charging cord 2) may be snapped into the fixing slot for fixing, To play a protective role.
  • a housing space for accommodating the end of the charging wire 2 may also be provided outside the chassis 11 of the charger 1, as shown in FIG. 11 and the charging cable fixing port 16 shown in FIG. 13 are convenient for storing and protecting the charging cable 2.
  • the charging wire 2 includes a first end and a second end, the first end of the charging wire 2 is used to connect with the terminal 120 of the charger 1, the second end of the charging wire 2 is used to connect with the battery 4, the charging wire
  • the second end of 2 can be detachably fixed to the chassis 11 of the charger 1 through a fixing structure 111.
  • the second end of the charging cable 2 can pass over the top of the chassis 11 of the charger 1 and can be detachably fixed on the side of the chassis 11 opposite to the first end of the charging cable 2.
  • the charger 1 serves as a charger component.
  • One end of the charging cable 2 is connected to the charger 1, and the other end of the charging cable 2 is stored on the chassis 11 of the charger 1 through a fixing structure 111 on the chassis 11 of the charger 1.
  • you need to charge the battery 4 with the charger 1 you only need to connect the charger 1 to an AC power supply, as shown by the two horizontal arrows in FIG. 10; then, store the charging cable 2 on the frame 11 of the charger 1 One end is removed from the charger 1, as shown by the arrow at the position 1 in FIG.
  • the charging cable 2 is connected to the battery 4, as shown by the arrow at the position 2 in FIG. 11, the battery 4 can be charged and operated more convenient.
  • the charging cable 2 needs to be stored, move the second end of the charging cable 2 over the top of the chassis 11 of the charger 1, as shown by the arrow at the position 1 in FIG. 12; then insert the second end of the charging cable 2 As shown in the arrow at the position 2 in FIG. 12, the charging cable fixing port 16 (or called battery power cable fixing port) on the charger 1 can store the charging cable 2.
  • the charging cable fixing port 16 or called battery power cable fixing port
  • the charger 1 is further provided with a handle 10, a heat dissipation hole 17, a fan protection cover 18, an interface protection cover 19, a ground connection 20 and the like.
  • the handle 10 is provided on the top of the chassis 11 of the charger 1, the heat dissipation hole 17 and the control panel 14 are provided on the same side of the charger 1, the fan protection cover 18, the interface protection cover 19, and the ground wire
  • the interface 20 and the AC power interface 15 are both provided on the side of the charger 1 and the heat dissipation hole 17.
  • the drone system provided by the technical solution of the second aspect of the present invention includes: a drone, a charger 1 and a charging cable 2 adapted to the charger 1, the charger 1 is charged by The line 2 charges the battery 4 of the drone; wherein, as shown in FIGS. 1 and 2, the charger 1 includes a frame 11 and a PCB 12 disposed in the frame 11, the PCB 12 includes at least one extended edge 121, The extension board edge 121 extends to the chassis 11. At least one terminal 120 is provided at the extension board edge 121. The terminal 120 is directly electrically connected to the extension board edge 121. The terminal 120 is used to connect the charging cable 2.
  • the edge of the existing PCB is usually a straight edge
  • the extended edge 121 of the present invention is formed by a part of the straight edge of the PCB 12 protruding outward, as shown in FIGS. 3 and 4, that is, PCB 12 Part of the straight edge protrudes outward to form an extended edge 121.
  • the drone system provided by the above embodiment of the present invention is to solve the problem of too many internal cables of the charger, by using an extension board edge 121 extending to the chassis 11 on the PCB 12, to directly pass the power current or communication signal through the PCB
  • the wire is output to the extension board edge 121, and then the connection terminal 120 fixed at the extension board edge 121 and directly connected to the extension board edge 121 is connected to the charging cable 2 to charge the battery of the drone or to the drone Battery communication
  • this design eliminates the need to solder wires on the PCB 12 to the terminals on the chassis 11, so that there are very few wires inside the charger 1, and the wires are placed outside the charger 1, simplifying the internal structural parts of the charger 1, and
  • the charging cable 2 is convenient for disassembly and connection, greatly improving the manufacturability and maintainability of the charger 1.
  • connection terminal 120 in order to realize the side outlet of the connection terminal 120, that is, in order to realize that the connection terminal 120 provided at the side of the extension plate 121 is connected to the charging line 2 outside the frame 11, the frame 11 A through hole 110 is provided on the side of the housing, and the extension plate edge 121 is inserted through the through hole 110, so that the terminal 120 provided at the extension plate edge 121 is connected to the charging cable 2 through the position of the through hole 110, that is, at the position of the through hole 110
  • the connection terminal 120 is connected to the charging line 2, so that the charging line 2 is connected to the charger 1, and the charging line 2 is connected to the side of the charger 1, which is more in line with the conventional design and convenient for the user to connect the charging line 2 to The operation of removing the charging line 2 from the charger 1 or the charger 1.
  • the extension plate edge 121 extends to the side of the chassis 11 to realize the side outlet of the terminal 120, so as to connect the charging cable 2 to the side of the charger 1, which is more in line with the conventional design , It is convenient for the user to connect the charging cable 2 to the charger 1 or remove the charging cable 2 from the charger 1.
  • the extending plate edge 121 may also extend to other suitable surfaces such as the front surface, the top surface, and the like of the chassis 11. This embodiment is merely exemplary and is not limited herein.
  • connection terminal 120 includes a fixing portion and a connection portion.
  • the fixing portion is used to fix the connection terminal 120 to the extension plate side 121.
  • the connection portion is used to connect the connection terminal 120 to the charging cable 2.
  • the specific structure of the fixed part and the connecting part can be designed according to the specific design needs.
  • the terminal 120 can be fixed to the extension plate side 121 by welding, screw connection, etc.
  • the connection of the terminal 120 and the charging wire 2 can be Connection methods such as nut 13 connection and plug connection.
  • At least one terminal 120 is a nut 13, the nut 13 is fixed on the side of the extension plate 121, and the charging wire 2 includes screws. Specifically, the charging wire 2 and the charging The connecting end of the device 1 is set as a screw. In this way, the charging cable 2 is connected to the nut 13 of the charger 1 through the screw.
  • the positions A and B in FIG. 6 and FIG. 7 are the matching structure of the screw and the nut 13.
  • the outlet of the PCB 12 is changed to a vertical nut 13 and the charging cable 2 is locked on the nut 13 by screws, thereby facilitating the charging cable 2 Replacement and maintenance, and the use of nut 13 connection, connection reliability is better.
  • the nut 13 is welded to the extension plate edge 121.
  • 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 plate edge 121, thereby fixing the nut 13 to the extension plate edge 121.
  • the connecting portion 132 of 13 is provided with an internal thread that cooperates with the screw of the charging cable 2 so that the nut 13 is connected to the charging cable 2.
  • the extension plate edge 121 extends to the side of the frame 11.
  • the extension plate edge 121 is flush with the side of the frame 11, and the outlet surface of the nut 13 is located at the side of the frame 11 side.
  • the outlet surface of the nut 13 is just on the side of the frame 11 of the charger 1 to realize the wireless material output in the charger 1 and all output All the points are placed on the side of the frame 11 of the charger 1, which simplifies the internal structural parts of the charger 1, greatly reduces the internal wires of the charger 1, improves the reliability and manufacturability of the charger 1, and greatly increases the manufacturing speed.
  • the power current is output to the extended board edge 121 provided with a nut 13 through a PCB trace, and the nut 13 is used to transmit the power current. Due to the high reliability of the screw nut 13 matching connection, the nut 13 is used to transmit the power current to ensure that Reliability of power and current transmission.
  • the current internal PCB of the charger outputs current to the battery, and the solder wire on the PCB needs to be output to the frame terminal, resulting in many types of internal wires of the charger and complicated wiring; the present invention uses the PCB 12 to extend to The extension plate edge 121 of the chassis is welded with a high-power nut 13 at the extension plate edge 121, thereby eliminating all power lines, greatly simplifying the internal structure of the charger.
  • nuts 13 arranged in pairs are fixed at the edges 121 of the extension plate, and the nuts 13 arranged in pairs are respectively used as a positive terminal 122 and a negative terminal 123, that is, a positive terminal 122
  • Both the negative terminal 123 and the negative terminal 123 use a nut 13, so that the charging link is output from the extended board side 121 of the PCB 12, and directly enters the charging line 2 through the positive terminal 122 and the negative terminal 123.
  • At least one terminal 120 is a plug-in terminal.
  • the plug-in terminal is fixed on the edge 121 of the extension plate.
  • the charging cable 2 includes a plug. The charging cable 2 passes through the plug Plug-in connection with the plug-in terminal, the position C in Figure 6 and Figure 7 is the mating structure of the plug and the plug-in terminal.
  • a plug-in terminal is provided at the edge 121 of the extension board, and the plug of the charging cable 2 is connected to the plug-in terminal to realize the charger 1
  • the wires are placed outside the charger 1, and it is convenient for the replacement and maintenance of the charging wire 2, making the operation of installing and removing the charging wire 2 more convenient.
  • the plug-in terminal is a seat with a buckle, and the plug of the charging cable 2 and the plug-in terminal are fixed by snap-fitting, that is, the plug of the charging cable 2 and the plug-in terminal are locked and fixed by a buckle, thereby Make sure that the plug and plug terminal are firmly fixed.
  • the plug-in terminal and the extension plate edge 121 are provided with corresponding through holes, the plug-in terminal is fastened at the extension plate edge 121 by fasteners, and the plug-in terminal is fixed to the extension plate by fasteners such as screws At the side 121, it is firmly fixed and easy to assemble.
  • the plug-in terminal includes a fixing portion and a connecting portion, and the fixing portion of the plug-in terminal and the extension plate edge 121 are tightly connected with fasteners such as screws, so as to realize The plug-in terminal is fixed on the edge 121 of the extension plate, and the connecting portion of the plug-in terminal is provided with a snap fit with the plug of the charging cable 2, so that the nut 13 is connected to the charging cable 2.
  • the communication signal is output to the extension board edge 121 provided with a plug-in terminal through a PCB wiring.
  • the plug-in terminal is used to transmit the communication signal. Since the plug-in terminal and the plug of the charging cable 2 are more convenient to plug and unplug, the Ensure the convenience of plugging and unplugging of the plug terminal and the plug of the charging cable 2; preferably, the plug terminal is a 485 terminal; specifically, the charger 1 may be provided with a plurality of extension plate edges 121, a plurality of extension plate edges 121 can be respectively connected to a plurality of batteries, and at this time, the charger 1 can communicate with the plurality of batteries through the communication terminal 124.
  • the existing charger needs a communication port from the lead on the PCB to the battery.
  • the internal wires of the charger greatly increase; the present invention uses PCB traces to output directly from the MCU To each battery, completely eliminate the communication wire, greatly improving manufacturability.
  • At least one extension plate 121 is provided with three terminals 120, respectively a positive terminal 122, a negative terminal 123 and a communication terminal 124;
  • 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.
  • the positive terminal 122, the negative terminal 123, and the communication terminal 124 are used for charging
  • the three wire bodies 21, 22, and 23 of the wire 2 are correspondingly connected, as shown in the matching structures at three positions A, B, and C in FIG. 6 and FIG. In this way, while charging the battery through the charger, the charger and the battery are communicated.
  • both the positive terminal 122 and the negative terminal 123 are nuts 13, the end of a wire body 21 connected to the positive terminal 122 and the negative terminal 123 The ends of the connected one wire body 22 are all provided with screws that cooperate with the nut 13, and the nut 13 is connected with the screw of the charging cable 2, as shown in the positions A and B in FIGS. 6 and 7;
  • the communication terminal 124 For plugging and unplugging terminals, the end of a wire body 23 connected to the communication terminal 124 is provided with a plug that matches the plugging and unplugging terminal, and the plugging and unplugging terminal is mated with the plug of the charging cable 2, as shown in C in FIGS. The location is shown.
  • the positive terminal 122 and the negative terminal 123 both use the nut 13, so the charging link is output from the extended board side 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
  • the transfer terminal can greatly reduce the connecting wire, and the nut 13 is used to transmit the power current, making the transmission more reliable;
  • the communication terminal 124 is used to realize the communication between the charger 1 and the battery, and the cell voltage is constantly monitored, and the communication terminal 124 uses a plug-in terminal , Making insertion and removal operations more convenient; preferably, the communication terminal 124 is provided between the positive terminal 122 and the negative terminal 123.
  • the frame 11 is provided with a limiter 112 for passing the three wires 21, 22, and 23 of the charging wire 2.
  • the three wires 21, 22, and 23 of the charging wire 2 After one end passes through the limiter 112, it is connected to the positive terminal 122, the negative terminal 123, and the communication terminal 124 correspondingly.
  • the angle ⁇ at the position indicated by the arrow in the illustration is preferably 90°.
  • plug-in terminals to transmit power current and nuts 13 to transmit communication signals, which can also achieve the above-mentioned objects of the present invention, and all should fall within the protection scope of the present invention.
  • the two opposite sides of the PCB 12 have one or more extension board edges 121, and each extension board edge 121 extends to the side of the chassis 11, and each extension board edge 121
  • Three terminals 120 are provided everywhere, namely a positive terminal 122, a negative terminal 123 and a communication terminal 124, in order to achieve the purpose of one charger 1 simultaneously charging multiple batteries and communicating with multiple batteries; preferably, communication
  • the terminal 124 is located between the positive terminal 122 and the negative terminal 123.
  • the two opposite sides of the PCB 12 have two extension board edges 121, that is, the number of four extension board edges 121 provided on the PCB 12 is four, four An extension board edge 121 is provided on opposite sides of the PCB 12 one by two. Each extension board edge 121 extends to the side of the chassis 11. Three extension terminals 120 are provided at each extension board edge 121, which are positive terminals respectively 122.
  • Negative terminal 123 and communication terminal 124 wherein, both positive terminal 122 and negative terminal 123 are nuts 13, and communication terminal 124 is a plug-in terminal, so that both charger 1 can charge the battery and charge
  • the device 1 communicates with the battery and monitors the cell voltage from time to time, and this design eliminates the need to solder wires on the PCB 12 to the terminals on the chassis 11, so that there are very few wires inside the charger 1, all the wires are placed outside the charger , Simplify the internal structural parts of the charger 1, improve the production efficiency of the charger, improve the reliability of the charger, and reduce the cost; and the charging cable is easy to disassemble and connect, greatly improving the manufacturability and repairability of the charger 1 Sex.
  • the charging link is output from the extended board edge 121 of the PCB 12, and directly enters the charging line 2 through the positive and negative terminals, and there is no adapter board and transfer board in the middle.
  • the connection terminal can greatly reduce the connection wire.
  • the charger 1 further includes a control panel 14, and the control panel 14 may be disposed at a suitable position of the chassis 11. Further, the control panel 14 includes at least one of a physical key, a touch screen key, a display screen, and an indicator light. In one embodiment, the control panel 14 is provided on the back of the chassis 11 to facilitate user operations.
  • the control panel 14 includes a start/stop button 141, at least one charge status indicator 142 and a warning light 143, and may also include functional modules such as a fast charge/slow charge switch button 144, wherein at least one charge status indicator
  • the lamp 142 is connected to the corresponding extension plate edge 121 and is used to indicate the state of charge of the battery 4 connected to the terminal 120 at the extension plate edge 121.
  • the charger 1 is connected to an AC power source, as shown in FIG. 10, the charger 1 is provided with an AC power interface 15, and the charger 1 passes the AC power source
  • the cable 3 is connected to an AC power source, and then to four batteries 4. As shown in FIG.
  • the charger 1 is used to charge four batteries 4, at this time the corresponding indicator light sends out the corresponding indication signal. Further, when an abnormality occurs in the charger 1, the warning lamp 143 flashes to indicate the abnormality.
  • the charger 1 communicates with the battery 2 through the communication terminal 124. In one embodiment, the charger 1 may sequentially charge the battery 4 according to the remaining battery power. In another embodiment, the charger 1 may also first select any two batteries with higher remaining power. 4 to charge, and then charge the remaining two batteries 4.
  • the charger 1 can also charge the battery 3 with a lower remaining capacity first, and then recharge the four batteries 4 when the remaining power is the same All batteries 4 are charged synchronously. It can be understood that the above is only an exemplary description and is not limited herein.
  • the frame of the charger 1 is also provided with a fixing structure 111 for fixing the charging wire 2, specifically, the fixing structure 111 is used to connect the charging wire 2 It is fixed on the frame 11 of the charger 1.
  • the battery power interface ie, the interface between the charging cable 2 and the battery 4
  • the charger 1 is connected to the external power source
  • Fix the battery power cord (ie, the charging cord 2) to the fixing structure 111 and the fixing structure 111 may be, for example, a fixing slot, specifically, the battery power cord (ie, the charging cord 2) may be snapped into the fixing slot for fixing, To play a protective role.
  • a housing space for accommodating the end of the charging wire 2 may also be provided outside the chassis 11 of the charger 1, as shown in FIG. 11 and the charging cable fixing port 16 shown in FIG. 13.
  • the charging wire 2 includes a first end and a second end, the first end of the charging wire 2 is used to connect with the terminal 120 of the charger 1, the second end of the charging wire 2 is used to connect with the battery 4, the charging wire
  • the second end of 2 can be detachably fixed to the chassis 11 of the charger 1 through a fixing structure 111.
  • the second end of the charging cable 2 can pass over the top of the chassis 11 of the charger 1 and can be detachably fixed on the side of the chassis 11 opposite to the first end of the charging cable 2.
  • the charger 1 serves as a charger component.
  • One end of the charging cable 2 is connected to the charger 1, and the other end of the charging cable 2 is stored on the chassis 11 of the charger 1 through a fixing structure 111 on the chassis 11 of the charger 1.
  • you need to charge the battery 4 with the charger 1 you only need to connect the charger 1 to an AC power supply, as shown by the two horizontal arrows in FIG. 10; then, store the charging cable 2 on the frame 11 of the charger 1 One end is removed from the charger 1, as shown by the arrow at the position 1 in FIG.
  • the charging cable 2 is connected to the battery 4, as shown by the arrow at the position 2 in FIG. 11, the battery 4 can be charged and operated more convenient.
  • the charging cable 2 needs to be stored, move the second end of the charging cable 2 over the top of the chassis 11 of the charger 1, as shown by the arrow at the position 1 in FIG. 12; then insert the second end of the charging cable 2 As shown in the arrow at the position 2 in FIG. 12, the charging cable fixing port 16 (or called battery power cable fixing port) on the charger 1 can store the charging cable 2.
  • the charging cable fixing port 16 or called battery power cable fixing port
  • the charger 1 is also provided with a handle 10, a heat dissipation hole 17, a fan protection cover 18, an interface protection cover 19, a ground connection 20 and other structures.
  • the handle 10 is provided on the top of the chassis 11 of the charger 1, the heat dissipation hole 17 and the control panel 14 are provided on the same side of the charger 1, the fan protection cover 18, the interface protection cover 19, and the ground wire
  • the interface 20 and the AC power interface 15 are both provided on the side of the charger 1 and the heat dissipation hole 17.
  • an extension board edge 121 extending to the chassis 11 is provided on the PCB 12, and the power current is directly output to the extension board edge 121, and the power nut 13 is welded on the extension board edge 121 ,
  • the charging cable 2 can be locked on the nut 13 to charge the battery, thereby eliminating all power cables and greatly simplifying the internal structure of the charger;
  • the charging cable 2 includes a communication plug. Plug and connect with the communication terminal 124 to realize the communication between the charger 1 and the battery, and monitor the cell voltage from time to time; when the multi-channel charger and the battery communicate, use PCB traces to output directly from the MCU to each battery, completely cancel the communication wire, Greatly improve manufacturability.
  • PCB wiring can be used to replace the internal connection wires of the charger 1, thereby simplifying the internal structural parts of the charger 1; greatly reducing the internal wires of the charger 1 and placing the wires outside the charger 1 to improve the reliability of the charger 1 And the manufacturability, which greatly improves the manufacturing speed; realizes the detachable function of the charging cable 2 to facilitate the removal and replacement of the charging cable 2; and uses the nut 13 fixed at the extension plate edge 121 of the PCB 12 as the terminal 120
  • the detachable charging cable 2 is connected to the charger 1 by using screws and nuts 13 to ensure the firmness of the connection, thereby ensuring the reliability of power current transmission.
  • the charger 1 provided by the above embodiment of the present invention is suitable for application scenarios where a large current is output from an internal PCB to a case terminal in a chassis type product, for example, a high-power UAV charger with multiple outputs; High-power switching power supplies, etc. that disassemble the output wire, as long as they do not deviate from the design concept of the present invention, should fall within the protection scope of the present invention.
  • connection may be a fixed connection, a detachable connection, or an integral connection, or an electrical connection; it may be directly connected, or may be indirectly connected through an intermediary.

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  • Engineering & Computer Science (AREA)
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种充电器(1)和无人机系统，充电器(1)包括：机框(11)和设于机框(11)内的PCB(12)，PCB(12)包括至少一个延伸板边(121)，延伸板边(121)延伸到机框(11)，延伸板边(121)处设置有至少一个接线端子(120)，接线端子(120)与延伸板边(121)直接电连接，接线端子(120)用于连接与充电器(1)适配的充电线(2)。如此，无需在PCB(12)上焊接线材到机框(11)上的端子，从而实现充电器(1)内部极少线材，并且充电线(2)便于拆卸连接，大大提高了充电器(1)的可制造性和可维修性。

Description

充电器和无人机系统 技术领域
本发明涉及充电器技术领域，更具体而言，涉及一种充电器和无人机系统。
背景技术
现有的具有机框的大功率充电器，例如用于对无人机的电池进行充电的充电器，为了方便收纳，需要把接插端子固定在机框上，用户通过充电线与该端子对插，从而对电池充电。这一设计需要充电器内部PCB焊接线材到机框上的端子，同时端子需要焊接在一个转接板上，才能实现将该端子固定在机框上；此外，为了保证充电安全，智能充电器需要与电池通信，时时监控电芯电压，如果用上述转接板的方式，会导致充电器接线复杂，随着充电通道的增加，输出线材越来越多，会大大降低充电器的可制造性和可维修性。
发明内容
本发明旨在至少解决现有技术中存在的技术问题。
为实现上述目的，本发明的第一个方面的技术方案提供了一种充电器，包括：机框；和设于所述机框内的PCB，所述PCB包括至少一个延伸板边，所述延伸板边延伸到所述机框，所述延伸板边处设置有至少一个接线端子，所述接线端子与所述延伸板边直接电连接，所述接线端子用于连接与所述充电器适配的充电线。
本发明的第二个方面的技术方案提供了一种无人机系统，包括：无人机；充电器；以及与所述充电器适配的充电线，所述充电器通过所述充电线对所述无人机的电池充电；其中，所述充电器包括机框及设于所述机框内的PCB，所述PCB包括至少一个延伸板边，所述延伸板边延伸到所述机框，所述延伸 板边处设置有至少一个接线端子，所述接线端子与所述延伸板边直接电连接，所述接线端子用于连接所述充电线。
本发明上述技术方案具有如下有益效果：
本发明的技术方案中，针对充电器内部线缆多的问题，在PCB上设置延伸到机框的延伸板边，把功率电流或者通信信号等直接输出到延伸板边，再利用固定在延伸板边处、且与延伸板边直接电连接的接线端子与充电线连接，从而对电池充电或者与电池通信，这样设计无需在PCB上焊接线材到机框上的端子，从而实现充电器内部极少线材，简化了充电器内部结构件，并且充电线便于拆卸连接，大大提高了充电器的可制造性和可维修性。
本发明的附加方面和优点将在下面的描述部分中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是本发明一个实施例的充电器的水平剖视结构示意图；
图2是本发明一个实施例的充电器的机框的侧视结构示意图；
图3是本发明一个实施例的充电器的PCB及其上接线端子的结构示意图；
图4是本发明一个实施例的充电器的PCB的输出控制示意图；
图5是本发明一个实施例的充电器与充电线连接的结构示意图；
图6是图5所示充电器与充电线的接线结构示意图；
图7是图6所示结构的局部示意图；
图8是本发明一个实施例的充电器的螺母的结构示意图，其中图示中的8a是螺母的剖视结构示意图，8b是螺母的侧视结构示意图，8c是螺母的正视结构示意图；
图9是本发明一个实施例的充电器的控制面板的结构示意图；
图10是本发明一个实施例的充电器与交流电源线的连接结构示意图；
图11是本发明一个实施例的充电器通过充电线与电池连接的结构示意图；
图12是图11所示充电器与充电线收纳的结构示意图；
图13是本发明一个实施例的充电器与充电线连接的又一结构示意图；
图14是图13所示充电器与充电线连接后的侧视结构示意图。
其中，图1至图14中附图标记与部件名称之间的对应关系为：
1充电器，10提手，11机框，110通孔，111固定结构，112限位部，12PCB，120接线端子，121延伸板边，122正接线端子，123负接线端子，124通信端子，13螺母，131固定部，132连接部，14控制面板，141启动/停止按键，142充电状态指示灯，143警告灯，144快充/慢充切换按钮，15交流电源接口，16充电线固定口，17散热孔，18风扇保护盖，19接口保护盖，20地线接口，2充电线，21第一线体，22第二线体，23第三线体，3交流电源线，4电池。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
下面参照附图1至图14描述根据本发明第一方面的技术方案提供的一种充电器和本发明第二方面的技术方案提供的一种应用了上述充电器的无人机系统。
如图1至图14所示，本发明第一方面的技术方案提供的充电器1，包括：机框11和设于机框11内的PCB 12(即印制电路板)。
具体地，如图1和图2所示，PCB 12包括至少一个延伸板边121，延伸板边121延伸到机框11，延伸板边121处设置有至少一个接线端子120，接线端子120与延伸板边121直接电连接，接线端子120用于连接与充电器1适配的充电线2。
可以理解的是，现有的PCB的板边通常为直板边，本发明的延伸板边121为PCB 12的部分直板边向外侧凸出形成，如图3和图4所示，也即PCB 12 的部分直板边向外侧凸出形成延伸板边121。
本发明上述实施例提供的充电器1，针对充电器内部线缆多的问题，利用在PCB 12上设置延伸到机框11的延伸板边121，把功率电流或者通信信号等直接通过PCB走线输出到延伸板边121，再利用固定在延伸板边121处、且与延伸板边121直接电连接的接线端子120与充电线2连接，从而对电池充电或者与电池通信，这样设计无需在PCB 12上焊接线材到机框11上的端子，从而实现充电器1内部极少线材，将线材置于充电器1外，简化了充电器1内部结构件，并且充电线2便于拆卸连接，大大提高了充电器1的可制造性和可维修性。
进一步地，如图1和图2所示，为了实现接线端子120侧面出线，也即为了实现设置在延伸板边121处的接线端子120在机框11的外侧与充电线2连接，机框11的侧面设置有通孔110，延伸板边121穿设于通孔110，这样使得设置在延伸板边121处的接线端子120通过通孔110位置与充电线2连接，也即在通孔110位置实现接线端子120与充电线2连接，从而实现充电线2与充电器1连接，并实现将充电线2连接在充电器1的侧面，这样更符合常规设计，方便用户进行将充电线2连接在充电器1上或者将充电线2从充电器1上拆下的操作。
优选地，如图5至图7所示，延伸板边121延伸到机框11的侧面，以实现接线端子侧面出线，从而实现将充电线2连接在充电器1的侧面，更符合常规设计，方便用户进行将充电线2连接在充电器1上或者将充电线2从充电器1上拆下的操作。在其他实施方式中，延伸板边121也可以延伸到机框11的诸如正面、顶面等其他合适的表面，本实施例仅为示例性说明，在此不作限定。
具体地，接线端子120包括固定部与连接部，固定部用于将接线端子120固定在延伸板边121，连接部用于将接线端子120与充电线2连接。可以根据具体设计需要，设计固定部及连接部的具体结构，例如可以采用焊接方式、螺纹连接方式等方式将接线端子120固定在延伸板边121，接线端子120与充电线2的连接方式可以为螺母13连接、插拔连接等连接方式。
在本发明的一个实施例中，如图6和图7所示，至少一个接线端子120为螺母13，螺母13固定在延伸板边121，充电线2包括螺丝，具体地，充 电线2与充电器1连接的端部设置为螺丝，如此，充电线2通过螺丝与充电器1的螺母13连接，如图6和图7中的A位置和B位置均为螺丝与螺母13的配合结构。通过延伸PCB 12板边到机框11，通过PCB走线代替机框11内的线材，PCB 12的出线改为立式螺母13，充电线2通过螺丝锁定在螺母13上，从而便于充电线2的更换和维修，且采用螺母13连接的方式，连接可靠性更好。
优选地，螺母13焊接在延伸板边121。一个具体实施例中，如图8所示，螺母13包括固定部131与连接部132，螺母13的固定部131与延伸板边121焊接连接，从而实现将螺母13固定在延伸板边121，螺母13的连接部132上设有与充电线2的螺丝配合的内螺纹，从而实现螺母13与充电线2连接。
进一步地，如图5至图7所示，延伸板边121延伸到机框11的侧面，优选地，延伸板边121与机框11的侧面平齐，螺母13的出线面处于机框11的侧面。利用螺母13侧面出线，优选地把螺母13焊接在PCB 12的延伸板边121位置，螺母13的出线面刚好处于充电器1机框11的侧面，从而实现充电器1内无线材输出，所有输出点都放在充电器1机框11的侧面上，简化了充电器1内部结构件，大大减少充电器1内部线材，提高充电器1的可靠性和可制造型，大大提高制造速度。
优选地，通过PCB走线将功率电流输出到设置有螺母13的延伸板边121，螺母13用以传输功率电流，由于螺丝螺母13配合连接的可靠性高，采用螺母13传输功率电流，可确保功率电流传输的可靠性。具体而言，现有的充电器内部PCB输出电流到电池，需要在PCB上焊线输出到机框端子，导致充电器内部线材种类多，接线复杂；本发明利用在PCB 12上设置伸长到机框的延伸板边121，在延伸板边121处焊接大功率螺母13，从而取消掉全部功率线，大大简化充电器内部结构。
进一步地，如图6和图7所示，延伸板边121处固定有成对设置的螺母13，成对设置的螺母13分别作为正接线端子122和负接线端子123，也即正接线端子122和负接线端子123均采用螺母13，这样充电链路从PCB 12的延伸板边121输出，通过正接线端子122和负接线端子123直接进入充电线2，中间没有转接板和转接端子，因而可以大大减少连接线材，且采用螺母13传 输功率电流，使得功率电流的传输更可靠。
在本发明的另一个实施例中，如图6和图7所示，至少一个接线端子120为插拔端子，插拔端子固定在延伸板边121，充电线2包括插头，充电线2通过插头与插拔端子插拔连接，如图6和图7中的C位置为插头与插拔端子的配合结构。通过延伸PCB 12板边到机框11，通过PCB走线代替机框11内的线材，在延伸板边121处设置插拔端子，通过充电线2的插头与插拔端子连接，从而实现充电器1内部极少线材，将线材置于充电器1外，且便于充电线2的更换和维修，使得安装与拆卸充电线2的操作更方便。
进一步地，插拔端子为带卡扣的座子，充电线2的插头与插拔端子通过卡扣卡接固定，也即利用卡扣实现充电线2的插头与插拔端子卡接固定，从而确保插头与插拔端子固定的牢固性。
进一步地，插拔端子和延伸板边121处设有对应设置的通孔，插拔端子通过紧固件紧固在延伸板边121处，利用紧固件如螺钉将插拔端子固定在延伸板边121处，固定牢固，装配方便。
一个具体实施例中，如图3和图4所示，插拔端子包括固定部与连接部，插拔端子的固定部与延伸板边121采用紧固件如螺钉紧紧固连接，从而实现将插拔端子固定在延伸板边121，插拔端子的连接部上设有与充电线2的插头配合的卡扣，从而实现螺母13与充电线2连接。
优选地，通过PCB走线将通信信号输出到设置有插拔端子的延伸板边121，插拔端子用以传输通信信号，由于插拔端子和充电线2的插头的插拔操作更方便，可确保插拔端子和充电线2的插头进行插拔连接的便利性；优选地，插拔端子为485端子；具体而言，充电器1可以设置有多个延伸板边121，多个延伸板边121可以分别与多个电池相连接，此时充电器1可以通过通信端子124与多个电池进行通信。在多通道充电器与电池通信时，现有的充电器需要从PCB上引线到电池的通信口，随着通道的增加，充电器内部的线材大大增加；本发明利用PCB走线从MCU直接输出到各路电池，完全取消通信线材，大大提高可制造性。
在本发明的一些实施例中，如图3和图4所示，至少一个延伸板边121处设置有三个接线端子120，分别为正接线端子122、负接线端子123和通信 端子124；如图6和图7所示，充电线2包括三根线体，分别为第一线体21、第二线体22、第三线体23，正接线端子122、负接线端子123和通信端子124用于与充电线2的三根线体21、22、23对应连接，如图6和图7中的A、B、C三个位置的配合结构。以此实现通过充电器对电池充电的同时，实现充电器与电池进行通信。
一个具体实施例中，如图6和图7所示，正接线端子122和负接线端子123均为螺母13，与正接线端子122连接的一根线体21的端部及与负接线端子123连接的一根线体22的端部均设有与螺母13配合的螺丝，螺母13与充电线2的螺丝配合连接，如图6和图7中的A位置和B位置所示；通信端子124为插拔端子，与通信端子124连接的一根线体23的端部设有与插拔端子配合的插头，插拔端子与充电线2的插头配合连接，如图6和图7中的C位置所示。
正接线端子122和负接线端子123均采用螺母13，所以充电链路从PCB 12的延伸板边121输出，通过正接线端子122和负接线端子123直接进入充电线2，中间没有转接板和转接端子，因而可以大大减少连接线材，且采用螺母13传输功率电流，使得传输更可靠；通信端子124用于实现充电器1与电池通信，时时监控电芯电压，通信端子124采用插拔端子，使得插拔操作更方便；优选地，通信端子124设于正接线端子122和负接线端子123之间。
进一步地，如图6所示，机框11外设置有用于供充电线2的三根线体21、22、23穿过的限位部112，充电线2的三根线体21、22、23的一端部均穿过限位部112后，与正接线端子122、负接线端子123及通信端子124对应连接。以利用限位部112实现将充电线2的三根线体21、22、23限位在机框11上，从而便于将充电线2固定在机框11上。如图4所示，图示中箭头所示位置的夹角α优选为90°。
当然，也可以利用插拔端子传输功率电流，利用螺母13传输通信信号，同样能够实现本发明的上述目的，均应在本发明的保护范围内。
进一步地，如图1至图4所示，PCB 12相对的两侧均具有一个或多个延伸板边121，每一延伸板边121均延伸到机框11的侧面，每一延伸板边121处均设置有三个接线端子120，分别为正接线端子122、负接线端子123和通 信端子124，以实现一个充电器1同时为多个电池充电并与多个电池通信的目的；优选地，通信端子124位于正接线端子122和负接线端子123之间。
一个具体实施例中，如图3和图4所示，PCB 12相对的两侧均具有两个延伸板边121，也即PCB 12上设置有四个延伸板边121的数量为四个，四个延伸板边121两两设置在PCB 12相对的两侧，每一延伸板边121均延伸到机框11的侧面，每一延伸板边121处设置有三个接线端子120，分别为正接线端子122、负接线端子123和通信端子124；其中，正接线端子122和负接线端子123均为螺母13，通信端子124为插拔端子，从而既能够实现充电器1为电池充电，又能够实现充电器1与电池通信，时时监控电芯电压，并且这样设计无需在PCB 12上焊接线材到机框11上的端子，从而实现充电器1内部极少线材，所有将线材都置于充电器1外，简化了充电器1内部结构件，提高了充电器的生产效率，提高了充电器的可靠性，降低了成本；并且充电线便于拆卸连接，大大提高了充电器1的可制造性和可维修性。
以植保无人机电池充电器1为例进行说明，植保无人机电池充电器1内部PCB 12板边设计时，把PCB 12板边延伸到充电器1机框11的侧面，把正、负输出的端子焊接到PCB 12的延伸板边121，485通信信号通过PCB走线输出到延伸板边121处的485端子上，从而大大减小充电器1内部线缆。具体地，正、负端子均采用立式螺母13，485端子采用带卡扣的座子，当充电线2需要更换时，只需用充电线2的螺丝锁定正、负端子，同时插拔485端子，即可更换充电线2。因为PCB 12的延伸板边121与充电器1侧面平齐，所以充电链路是从PCB 12的延伸板边121处输出，通过正、负端子直接进入充电线2，中间没有转接板和转接端子，因而可以大大减少连接线材。
在本发明的另一些实施例中，至少一个延伸板边121处设置有两个接线端子120，分别为正接线端子和负接线端子；充电线2包括两根线体，正接线端子和负接线端子用于与充电线2的两根线体对应连接。
一个具体实施例中，正接线端子和负接线端子均为螺母13，充电线2的两根线体的端部均设有与螺母13配合的螺丝。也即对于只具有充电功能、不具备与电池通信功能的充电器，同样可以采用在PCB 12上设置延伸到机框11的延伸板边121，把功率电流直接通过PCB走线输出到延伸板边121，再利用 固定在延伸板边121处的接线端子与充电线2连接，实现对电池充电，并实现了充电器1内部极少线材，简化了充电器1内部结构件，并且充电线2便于拆卸连接，大大提高了充电器1的可制造性和可维修性。
在上述任一实施例中，如图5和图9所示，充电器1还包括控制面板14，所述控制面板14可以设置在机框11的合适位置。进一步地，控制面板14包括物理按键、触屏按键、显示屏、指示灯中的至少一个。在一种实施方式中，控制面板14设置在机框11背面，以方便用户操作。
在一种实施方式中，控制面板14包括启动/停止按键141、至少一个充电状态指示灯142和警告灯143，其中至少一个充电状态指示灯142与相应的延伸板边121连接，用于指示与延伸板边121处的接线端子120连接的电池4的电量状态。具体地，当充电器1用于对四个电池4进行充电时，将充电器1连接至交流电源，如图10所示，充电器1上设有交流电源接口15，充电器1通过交流电源线3连接至交流电源，再连接至四个电池4，如图11所示，充电线2的一端与充电器1连接，充电线2的另一端与电池4连接，实现充电器1与电池4连接；按下启动/停止按键141，充电器1用于给四个电池4进行充电，此时相应的指示灯发出相应的指示信号。进一步地，当充电器1发生异常时，警告灯143闪烁用以指示异常。充电器1通过通信端子124与电池2进行通信。在一种实施方式中，充电器1可以按照电池剩余电量由高到低依次为电池4进行充电，在另一种实施方式中，充电器1也可以先选择剩余电量较高的任意两块电池4进行充电，再对剩余两块电池4进行充电，在再一种实施方式中，充电器1也可以先对剩余电量较低的电池3进行充电，待四块电池4剩余电量一致时再对所有电池4进行同步充电。控制面板14还可以包括快充/慢充切换按钮144等功能模块，短按快充/慢充切换按钮144可以切换快充或慢充模式，选择后，该按钮上方或下方的指示灯将会点亮。可以理解，上述仅为示例性说明，在此不作限定。
进一步地，如图5、图11和图12所示，充电器1的机框外还设置有固定结构111，用于固定所述充电线2，具体而言固定结构111用于将充电线2固定在充电器1的机框11上。在一种实施方式中，在充电完成或不使用充电器1时，断开电池电源接口(即充电线2与电池4连接的接口)与电池4的连接， 以及充电器1与外部电源的连接，将电池电源线(即充电线2)固定至固定结构111，所述固定结构111可以为诸如固定槽，具体地，电池电源线(即充电线2)可以卡接在固定槽中进行固定，以起到保护作用。在一种实施例中，对于充电线2的端部比较大的充电线2，还可以在充电器1的机框11外设置用于容置充电线2的端部的容置空间，如图11和图13所示的充电线固定口16，便于收纳及保护充电线2。
进一步地，充电线2包括第一端和第二端，充电线2的第一端用于与充电器1的接线端子120连接，充电线2的第二端用于与电池4连接，充电线2的第二端能够通过固定结构111可拆卸地固定在充电器1的机框11上。再进一步地，充电线2的第二端能够越过充电器1的机框11的顶部，并可拆卸地固定在机框11与充电线2的第一端相背的一侧。可以理解的是，为了方便用户利用充电器1对一组或多组电池4充电，可以在充电器1上连接与充电器1适配的几根充电线2，将连接有充电线2的充电器1作为一个充电器组件，充电线2的一端与充电器1连接，充电线2的另一端通过充电器1的机框11上的固定结构111收纳在充电器1的机框11上，当需要利用充电器1对电池4充电时，只需要将充电器1连接至交流电源，如图10中的两个水平箭头所示；然后将充电线2收纳在充电器1的机框11上的一端从充电器1上取下，如图11中①位置的箭头所示；再将充电线2与电池4连接，如图11中②位置的箭头所示，就能够实现对电池4充电，操作更方便。当需要对充电线2进行收纳时，将充电线2的第二端越过充电器1的机框11的顶部，如图12中①位置的箭头所示；再将充电线2的第二端插入到充电器1上的充电线固定口16(或称为电池电源线固定口)，如图12中②位置的箭头所示，就能够实现对充电线2的收纳目的。当需要对充电线2进行维修或者更换时，将充电线2与充电器1连接的一端从充电器1上拆下，就能够方便的更换充电线2。还能够通过更换充电线2，实现对具有不同电池充电接口的电池4进行充电，如图5和图11所示，图5中充电线2与电池4连接的一端的接口与图11中充电线2与电池4连接的一端的接口不同，以此适配不同的电池上的电池充电接口，实现为不同电池充电的功能。
进一步地，如图13和图14所示，充电器1上还设置有提手10、散热孔 17、风扇保护盖18、接口保护盖19、地线接口20等结构。在一个实施例中，提手10设于充电器1的机框11的顶部，散热孔17与控制面板14均设于充电器1的同一侧面，风扇保护盖18、接口保护盖19、地线接口20与交流电源接口15均设于充电器1与散热孔17相背的侧面。
如图1至图14所示，本发明第二方面的技术方案提供的无人机系统，包括：无人机、充电器1以及与充电器1适配的充电线2，充电器1通过充电线2对无人机的电池4充电；其中，如图1和图2所示，充电器1包括机框11及设于机框11内的PCB 12，PCB 12包括至少一个延伸板边121，延伸板边121延伸到机框11，延伸板边121处设置有至少一个接线端子120，接线端子120与延伸板边121直接电连接，接线端子120用于连接充电线2。
可以理解的是，现有的PCB的板边通常为直板边，本发明的延伸板边121为PCB 12的部分直板边向外侧凸出形成，如图3和图4所示，也即PCB 12的部分直板边向外侧凸出形成延伸板边121。
本发明上述实施例提供的无人机系统，针对充电器内部线缆多的问题，利用在PCB 12上设置延伸到机框11的延伸板边121，把功率电流或者通信信号等直接通过PCB走线输出到延伸板边121，再利用固定在延伸板边121处、且与延伸板边121直接电连接的接线端子120与充电线2连接，从而对无人机的电池充电或者与无人机的电池通信，这样设计无需在PCB 12上焊接线材到机框11上的端子，从而实现充电器1内部极少线材，将线材置于充电器1外，简化了充电器1内部结构件，并且充电线2便于拆卸连接，大大提高了充电器1的可制造性和可维修性。
本发明上述实施例提供的无人机系统的具体结构请参照上述对充电器的结构的具体描述，并且该实施例的无人机系统具有上述任一实施例的充电器的有益效果。
进一步地，如图1和图2所示，为了实现接线端子120侧面出线，也即为了实现设置在延伸板边121处的接线端子120在机框11的外侧与充电线2连接，机框11的侧面设置有通孔110，延伸板边121穿设于通孔110，这样使得设置在延伸板边121处的接线端子120通过通孔110位置与充电线2连接，也即在通孔110位置实现接线端子120与充电线2连接，从而实现充电线2 与充电器1连接，并实现将充电线2连接在充电器1的侧面，这样更符合常规设计，方便用户进行将充电线2连接在充电器1上或者将充电线2从充电器1上拆下的操作。
优选地，如图5至图7所示，延伸板边121延伸到机框11的侧面，以实现接线端子120侧面出线，从而实现将充电线2连接在充电器1的侧面，更符合常规设计，方便用户进行将充电线2连接在充电器1上或者将充电线2从充电器1上拆下的操作。在其他实施方式中，延伸板边121也可以延伸到机框11的诸如正面、顶面等其他合适的表面，本实施例仅为示例性说明，在此不作限定。
具体地，接线端子120包括固定部与连接部，固定部用于将接线端子120固定在延伸板边121，连接部用于将接线端子120与充电线2连接。可以根据具体设计需要，设计固定部及连接部的具体结构，例如可以采用焊接方式、螺纹连接方式等方式将接线端子120固定在延伸板边121，接线端子120与充电线2的连接方式可以为螺母13连接、插拔连接等连接方式。
在本发明的一个实施例中，如图6和图7所示，至少一个接线端子120为螺母13，螺母13固定在延伸板边121，充电线2包括螺丝，具体地，充电线2与充电器1连接的端部设置为螺丝，如此，充电线2通过螺丝与充电器1的螺母13连接，如图6和图7中的A位置和B位置均为螺丝与螺母13的配合结构。通过延伸PCB 12板边到机框11，通过PCB走线代替机框11内的线材，PCB 12的出线改为立式螺母13，充电线2通过螺丝锁定在螺母13上，从而便于充电线2的更换和维修，且采用螺母13连接的方式，连接可靠性更好。
优选地，螺母13焊接在延伸板边121。一个具体实施例中，如图8所示，螺母13包括固定部131与连接部132，螺母13的固定部131与延伸板边121焊接连接，从而实现将螺母13固定在延伸板边121，螺母13的连接部132上设有与充电线2的螺丝配合的内螺纹，从而实现螺母13与充电线2连接。
进一步地，如图5至图7所示，延伸板边121延伸到机框11的侧面，优选地，延伸板边121与机框11的侧面平齐，螺母13的出线面处于机框11的侧面。利用螺母13侧面出线，优选地把螺母13焊接在PCB 12的延伸板边121 位置，螺母13的出线面刚好处于充电器1机框11的侧面，从而实现充电器1内无线材输出，所有输出点都放在充电器1机框11的侧面上，简化了充电器1内部结构件，大大减少充电器1内部线材，提高充电器1的可靠性和可制造型，大大提高制造速度。
优选地，通过PCB走线将功率电流输出到设置有螺母13的延伸板边121，螺母13用以传输功率电流，由于螺丝螺母13配合连接的可靠性高，采用螺母13传输功率电流，可确保功率电流传输的可靠性。具体而言，现有的充电器内部PCB输出电流到电池，需要在PCB上焊线输出到机框端子，导致充电器内部线材种类多，接线复杂；本发明利用在PCB 12上设置伸长到机框的延伸板边121，在延伸板边121处焊接大功率螺母13，从而取消掉全部功率线，大大简化充电器内部结构。
进一步地，如图6和图7所示，延伸板边121处固定有成对设置的螺母13，成对设置的螺母13分别作为正接线端子122和负接线端子123，也即正接线端子122和负接线端子123均采用螺母13，这样充电链路从PCB 12的延伸板边121输出，通过正接线端子122和负接线端子123直接进入充电线2，中间没有转接板和转接端子，因而可以大大减少连接线材，且采用螺母13传输功率电流，使得功率电流的传输更可靠。
在本发明的另一个实施例中，如图6和图7所示，至少一个接线端子120为插拔端子，插拔端子固定在延伸板边121，充电线2包括插头，充电线2通过插头与插拔端子插拔连接，如图6和图7中的C位置为插头与插拔端子的配合结构。通过延伸PCB 12板边到机框11，通过PCB走线代替机框11内的线材，在延伸板边121处设置插拔端子，通过充电线2的插头与插拔端子连接，从而实现充电器1内部极少线材，将线材置于充电器1外，且便于充电线2的更换和维修，使得安装与拆卸充电线2的操作更方便。
进一步地，插拔端子为带卡扣的座子，充电线2的插头与插拔端子通过卡扣卡接固定，也即利用卡扣实现充电线2的插头与插拔端子卡接固定，从而确保插头与插拔端子固定的牢固性。
进一步地，插拔端子和延伸板边121处设有对应设置的通孔，插拔端子通过紧固件紧固在延伸板边121处，利用紧固件如螺钉将插拔端子固定在延伸板 边121处，固定牢固，装配方便。
一个具体实施例中，如图3和图4所示，插拔端子包括固定部与连接部，插拔端子的固定部与延伸板边121采用紧固件如螺钉紧紧固连接，从而实现将插拔端子固定在延伸板边121，插拔端子的连接部上设有与充电线2的插头配合的卡扣，从而实现螺母13与充电线2连接。
优选地，通过PCB走线将通信信号输出到设置有插拔端子的延伸板边121，插拔端子用以传输通信信号，由于插拔端子和充电线2的插头的插拔操作更方便，可确保插拔端子和充电线2的插头进行插拔连接的便利性；优选地，插拔端子为485端子；具体而言，充电器1可以设置有多个延伸板边121，多个延伸板边121可以分别与多个电池相连接，此时充电器1可以通过通信端子124与多个电池进行通信。在多通道充电器与电池通信时，现有的充电器需要从PCB上引线到电池的通信口，随着通道的增加，充电器内部的线材大大增加；本发明利用PCB走线从MCU直接输出到各路电池，完全取消通信线材，大大提高可制造性。
在本发明的一些实施例中，如图1至图4所示，至少一个延伸板边121处设置有三个接线端子120，分别为正接线端子122、负接线端子123和通信端子124；如图6和图7所示，充电线2包括三根线体，分别为第一线体21、第二线体22、第三线体23，正接线端子122、负接线端子123和通信端子124用于与充电线2的三根线体21、22、23对应连接，如图6和图7中的A、B、C三个位置的配合结构。以此实现通过充电器对电池充电的同时，实现充电器与电池进行通信。
一个具体实施例中，如图6和图7所示，正接线端子122和负接线端子123均为螺母13，与正接线端子122连接的一根线体21的端部及与负接线端子123连接的一根线体22的端部均设有与螺母13配合的螺丝，螺母13与充电线2的螺丝配合连接，如图6和图7中的A位置和B位置所示；通信端子124为插拔端子，与通信端子124连接的一根线体23的端部设有与插拔端子配合的插头，插拔端子与充电线2的插头配合连接，如图6和图7中的C位置所示。
正接线端子122和负接线端子123均采用螺母13，所以充电链路从PCB 12 的延伸板边121输出，通过正接线端子122和负接线端子123直接进入充电线2，中间没有转接板和转接端子，因而可以大大减少连接线材，且采用螺母13传输功率电流，使得传输更可靠；通信端子124用于实现充电器1与电池通信，时时监控电芯电压，通信端子124采用插拔端子，使得插拔操作更方便；优选地，通信端子124设于正接线端子122和负接线端子123之间。
进一步地，如图6所示，机框11外设置有用于供充电线2的三根线体21、22、23穿过的限位部112，充电线2的三根线体21、22、23的一端部均穿过限位部112后，与正接线端子122、负接线端子123及通信端子124对应连接。以利用限位部112实现将充电线2的三根线体21、22、23限位在机框11上，从而便于将充电线2固定在机框11上。如图4所示，图示中箭头所示位置的夹角α优选为90°。
当然，也可以利用插拔端子传输功率电流，利用螺母13传输通信信号，同样能够实现本发明的上述目的，均应在本发明的保护范围内。
进一步地，如图1至图4所示，PCB 12相对的两侧均具有一个或多个延伸板边121，每一延伸板边121均延伸到机框11的侧面，每一延伸板边121处均设置有三个接线端子120，分别为正接线端子122、负接线端子123和通信端子124，以实现一个充电器1同时为多个电池充电并与多个电池通信的目的；优选地，通信端子124位于正接线端子122和负接线端子123之间。
一个具体实施例中，如图3和图4所示，PCB 12相对的两侧均具有两个延伸板边121，也即PCB 12上设置有四个延伸板边121的数量为四个，四个延伸板边121两两设置在PCB 12相对的两侧，每一延伸板边121均延伸到机框11的侧面，每一延伸板边121处设置有三个接线端子120，分别为正接线端子122、负接线端子123和通信端子124；其中，正接线端子122和负接线端子123均为螺母13，通信端子124为插拔端子，从而既能够实现充电器1为电池充电，又能够实现充电器1与电池通信，时时监控电芯电压，并且这样设计无需在PCB 12上焊接线材到机框11上的端子，从而实现充电器1内部极少线材，所有将线材都置于充电器1外，简化了充电器1内部结构件，提高了充电器的生产效率，提高了充电器的可靠性，降低了成本；并且充电线便于拆卸连接，大大提高了充电器1的可制造性和可维修性。
以植保无人机系统为例进行说明，植保无人机电池充电器1内部PCB 12板边设计时，把PCB 12板边延伸到充电器1机框11的侧面，把正、负输出的端子焊接到PCB 12的延伸板边121，485通信信号通过PCB走线输出到延伸板边121处的485端子上，从而大大减小充电器1内部线缆。具体地，正、负端子均采用立式螺母13，485端子采用带卡扣的座子，当充电线2需要更换时，只需用充电线2的螺丝锁定正、负端子，同时插拔485端子，即可更换充电线2。因为PCB 12的延伸板边121与充电器1侧面平齐，所以充电链路是从PCB 12的延伸板边121处输出，通过正、负端子直接进入充电线2，中间没有转接板和转接端子，因而可以大大减少连接线材。
在上述任一实施例中，如图5和图9所示，充电器1还包括控制面板14，所述控制面板14可以设置在机框11的合适位置。进一步地，控制面板14包括物理按键、触屏按键、显示屏、指示灯中的至少一个。在一种实施方式中，控制面板14设置在机框11背面，以方便用户操作。
在一种实施方式中，控制面板14包括启动/停止按键141、至少一个充电状态指示灯142和警告灯143，还可以包括快充/慢充切换按钮144等功能模块，其中至少一个充电状态指示灯142与相应的延伸板边121连接，用于指示与延伸板边121处的接线端子120连接的电池4的电量状态。具体地，当充电器1用于对四个电池4进行充电时，将充电器1连接至交流电源，如图10所示，充电器1上设有交流电源接口15，充电器1通过交流电源线3连接至交流电源，再连接至四个电池4，如图11所示，充电线2的一端与充电器1连接，充电线2的另一端与电池4连接，实现充电器1与电池4连接；按下启动/停止按键141，充电器1用于给四个电池4进行充电，此时相应的指示灯发出相应的指示信号。进一步地，当充电器1发生异常时，警告灯143闪烁用以指示异常。充电器1通过通信端子124与电池2进行通信。在一种实施方式中，充电器1可以按照电池剩余电量由高到低依次为电池4进行充电，在另一种实施方式中，充电器1也可以先选择剩余电量较高的任意两块电池4进行充电，再对剩余两块电池4进行充电，在再一种实施方式中，充电器1也可以先对剩余电量较低的电池3进行充电，待四块电池4剩余电量一致时再对所有电池4进行同步充电。可以理解，上述仅为示例性说明，在此不作限定。
进一步地，如图5、图11和图12所示，充电器1的机框外还设置有固定结构111，用于固定所述充电线2，具体而言固定结构111用于将充电线2固定在充电器1的机框11上。在一种实施方式中，在充电完成或不使用充电器1时，断开电池电源接口(即充电线2与电池4连接的接口)与电池4的连接，以及充电器1与外部电源的连接，将电池电源线(即充电线2)固定至固定结构111，所述固定结构111可以为诸如固定槽，具体地，电池电源线(即充电线2)可以卡接在固定槽中进行固定，以起到保护作用。在一种实施例中，对于充电线2的端部比较大的充电线2，还可以在充电器1的机框11外设置用于容置充电线2的端部的容置空间，如图11和图13所示的充电线固定口16。
进一步地，充电线2包括第一端和第二端，充电线2的第一端用于与充电器1的接线端子120连接，充电线2的第二端用于与电池4连接，充电线2的第二端能够通过固定结构111可拆卸地固定在充电器1的机框11上。再进一步地，充电线2的第二端能够越过充电器1的机框11的顶部，并可拆卸地固定在机框11与充电线2的第一端相背的一侧。可以理解的是，为了方便用户利用充电器1对一组或多组电池4充电，可以在充电器1上连接与充电器1适配的几根充电线2，将连接有充电线2的充电器1作为一个充电器组件，充电线2的一端与充电器1连接，充电线2的另一端通过充电器1的机框11上的固定结构111收纳在充电器1的机框11上，当需要利用充电器1对电池4充电时，只需要将充电器1连接至交流电源，如图10中的两个水平箭头所示；然后将充电线2收纳在充电器1的机框11上的一端从充电器1上取下，如图11中①位置的箭头所示；再将充电线2与电池4连接，如图11中②位置的箭头所示，就能够实现对电池4充电，操作更方便。当需要对充电线2进行收纳时，将充电线2的第二端越过充电器1的机框11的顶部，如图12中①位置的箭头所示；再将充电线2的第二端插入到充电器1上的充电线固定口16(或称为电池电源线固定口)，如图12中②位置的箭头所示，就能够实现对充电线2的收纳目的。当需要对充电线2进行维修或者更换时，将充电线2与充电器1连接的一端从充电器1上拆下，就能够方便的更换充电线2。还能够通过更换充电线2，实现对具有不同电池4充电接口的电池4进行充电，如图5和图11所示，图5中充电线2与电池4连接的一端的接口与图11中充电线2 与电池4连接的一端的接口不同，以此适配不同的电池上的电池充电接口，实现为不同电池充电的功能。
进一步地，如图13和图14所示，充电器1上还设置有提手10、散热孔17、风扇保护盖18、接口保护盖19、地线接口20等结构。在一个实施例中，提手10设于充电器1的机框11的顶部，散热孔17与控制面板14均设于充电器1的同一侧面，风扇保护盖18、接口保护盖19、地线接口20与交流电源接口15均设于充电器1与散热孔17相背的侧面。
本发明实施例的充电器1和无人机系统的技术优势在于：
1)针对充电器1内部线缆多的问题，在PCB 12上设置延伸到机框11的延伸板边121，把功率电流直接输出到延伸板边121，在延伸板边121上焊接功率螺母13，充电线2可以锁定在螺母13上，实现为电池充电，从而取消掉全部功率线，大大简化充电器内部结构；
2)利用PCB走线将通信信号直接输出到PCB 12的延伸板边121，在延伸板边121上固定插拔式的通信端子124(如485端子)，充电线2包含通信插头，利用通信插头与通信端子124插拔连接，实现充电器1与电池通信，时时监控电芯电压；在多通道充电器与电池通信时，利用PCB走线从MCU直接输出到各路电池，完全取消通信线材，大大提高可制造性。
通过上述方案，可以实现利用PCB走线代替充电器1内部连接线材，从而简化充电器1内部结构件；大大减少充电器1内部线材，使线材置于充电器1外，提高充电器1的可靠性和可制造性，大大提高制造速度；实现了充电线2的可拆缷功能，便于充电线2的拆缷更换；并且采用固定在PCB 12的延伸板边121处的螺母13作为接线端子120，可拆卸的充电线2采用螺丝与螺母13的配合实现与充电器1连接，确保连接牢固性，从而确保功率电流传输的可靠性。
本发明上述实施例提供的充电器1，适用于在机框类产品，从内部PCB到外壳端子输出大电流的应用情景，例如具有多路输出的大功率无人机充电器；还例如需要可拆缷输出线材的大功率开关电源等，只要不脱离本发明的设计构思，均应在本发明的保护范围内。
在本发明的描述中，除非另有明确的规定和限定，术语“多个”是指两个或 两个以上；除非另有规定或说明，术语“连接”、“固定”等均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接，或电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
本说明书的描述中，需要理解的是，术语“上”、“下”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或单元必须具有特定的方向、以特定的方位构造和操作，因此，不能理解为对本发明的限制。
在本说明书的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (52)

  1. 一种充电器，其特征在于，包括：
    机框；和
    设于所述机框内的PCB，所述PCB包括至少一个延伸板边，所述延伸板边延伸到所述机框，所述延伸板边处设置有至少一个接线端子，所述接线端子与所述延伸板边直接电连接，所述接线端子用于连接与所述充电器适配的充电线。
  2. 根据权利要求1所述的充电器，其特征在于，
    所述机框的侧面设置有通孔，所述延伸板边穿设于所述通孔。
  3. 根据权利要求1所述的充电器，其特征在于，
    所述接线端子包括固定部与连接部，所述固定部用于将所述接线端子固定在所述延伸板边，所述连接部用于将所述接线端子与所述充电线连接。
  4. 根据权利要求1所述的充电器，其特征在于，
    至少一个所述接线端子为螺母，所述螺母固定在所述延伸板边，所述充电线包括螺丝，所述充电线通过所述螺丝与所述螺母连接。
  5. 根据权利要求4所述的充电器，其特征在于，
    所述螺母焊接在所述延伸板边。
  6. 根据权利要求4所述的充电器，其特征在于，
    所述延伸板边延伸到所述机框的侧面，所述螺母的出线面处于所述机框的侧面。
  7. 根据权利要求4所述的充电器，其特征在于，
    通过PCB走线将功率电流输出到设置有所述螺母的所述延伸板边，所述螺母用以传输所述功率电流。
  8. 根据权利要求7所述的充电器，其特征在于，
    所述延伸板边处固定有成对设置的所述螺母，成对设置的所述螺母分别作为正接线端子和负接线端子。
  9. 根据权利要求1所述的充电器，其特征在于，
    至少一个所述接线端子为插拔端子，所述插拔端子固定在所述延伸板边，所述充电线包括插头，所述充电线通过所述插头与所述插拔端子插拔连接。
  10. 根据权利要求9所述的充电器，其特征在于，
    所述插拔端子为带卡扣的座子，所述充电线的所述插头与所述插拔端子通过所述卡扣卡接固定。
  11. 根据权利要求9所述的充电器，其特征在于，
    所述插拔端子和所述延伸板边处设有对应设置的通孔，所述插拔端子通过紧固件紧固在所述延伸板边处。
  12. 根据权利要求9所述的充电器，其特征在于，
    通过PCB走线将通信信号输出到设置有所述插拔端子的所述延伸板边，所述插拔端子用以传输所述通信信号。
  13. 根据权利要求12所述的充电器，其特征在于，
    所述插拔端子为485端子。
  14. 根据权利要求1至13中任一项所述的充电器，其特征在于，
    至少一个所述延伸板边处设置有三个所述接线端子，分别为正接线端子、负接线端子和通信端子；
    所述充电线包括三根线体，所述正接线端子、所述负接线端子和所述通信端子用于与所述充电线的三根所述线体对应连接。
  15. 根据权利要求14所述的充电器，其特征在于，
    所述正接线端子和所述负接线端子均为螺母，与所述正接线端子连接的一根所述线体的端部及与所述负接线端子连接的一根所述线体的端部均设有与所述螺母配合的螺丝；
    所述通信端子为插拔端子，与所述通信端子连接的一根所述线体的端部设有与所述插拔端子配合的插头。
  16. 根据权利要求14所述的充电器，其特征在于，
    所述机框外设置有用于供所述充电线的三根所述线体穿过的限位部，所述充电线的三根所述线体的一端部均穿过所述限位部后，与所述正接线端子、所述负接线端子及所述通信端子对应连接。
  17. 根据权利要求14所述的充电器，其特征在于，
    所述PCB相对的两侧均具有一个或多个所述延伸板边，每一所述延伸板边均延伸到所述机框的侧面，每一所述延伸板边处均设置有三个所述接线端子。
  18. 根据权利要求17所述的充电器，其特征在于，
    所述延伸板边的数量为四个，四个所述延伸板边两两设置在所述PCB相对的两侧。
  19. 根据权利要求1至8中任一项所述的充电器，其特征在于，
    至少一个所述延伸板边处设置有两个所述接线端子，分别为正接线端子和负接线端子；
    所述充电线包括两根线体，所述正接线端子和所述负接线端子用于与所述充电线的两根所述线体对应连接。
  20. 根据权利要求19所述的充电器，其特征在于，
    所述正接线端子和所述负接线端子均为螺母，所述充电线的两根所述线体的端部均设有与所述螺母配合的螺丝。
  21. 根据权利要求1至13中任一项所述的充电器，其特征在于，
    所述充电器还包括控制面板，所述控制面板设置在所述机框上。
  22. 根据权利要求21所述的充电器，其特征在于，
    所述控制面板包括物理按键、触屏按键、显示屏、指示灯中的至少一个。
  23. 根据权利要求22所述的充电器，其特征在于，
    所述控制面板包括指示灯，所述指示灯包括一个或多个充电状态指示灯，至少一个所述充电状态指示灯与相应的所述延伸板边连接，用于指示与所述延伸板边处的所述接线端子连接的电池的电量状态。
  24. 根据权利要求1至13中任一项所述的充电器，其特征在于，
    所述机框外设置有固定结构，所述固定结构用于将所述充电线固定在所述充电器的所述机框上。
  25. 根据权利要求24所述的充电器，其特征在于，
    所述固定结构包括固定槽，所述充电线卡接固定在所述固定槽中。
  26. 根据权利要求24所述的充电器，其特征在于，
    所述充电线包括第一端和第二端，所述充电线的第一端用于与所述充电器 的所述接线端子连接，所述充电线的第二端用于与电池连接，所述充电线的第二端能够通过所述固定结构可拆卸地固定在所述充电器的所述机框上。
  27. 根据权利要求26所述的充电器，其特征在于，
    所述充电线的第二端能够越过所述充电器的所述机框的顶部，并可拆卸地固定在所述机框与所述充电线的第一端相背的一侧。
  28. 一种无人机系统，其特征在于，包括：
    无人机；
    充电器；以及
    与所述充电器适配的充电线，所述充电器通过所述充电线对所述无人机的电池充电；
    其中，所述充电器包括机框及设于所述机框内的PCB，所述PCB包括至少一个延伸板边，所述延伸板边延伸到所述机框，所述延伸板边处设置有至少一个接线端子，所述接线端子与所述延伸板边直接电连接，所述接线端子用于连接所述充电线。
  29. 根据权利要求28所述的无人机系统，其特征在于，
    所述机框的侧面设置有通孔，所述延伸板边穿设于所述通孔。
  30. 根据权利要求28所述的无人机系统，其特征在于，
    所述接线端子包括固定部与连接部，所述固定部用于将所述接线端子固定在所述延伸板边，所述连接部用于将所述接线端子与所述充电线连接。
  31. 根据权利要求28所述的无人机系统，其特征在于，
    至少一个所述接线端子为螺母，所述螺母固定在所述延伸板边，所述充电线包括螺丝，所述充电线通过所述螺丝与所述螺母连接。
  32. 根据权利要求31所述的无人机系统，其特征在于，
    所述螺母焊接在所述延伸板边。
  33. 根据权利要求31所述的无人机系统，其特征在于，
    所述延伸板边延伸到所述机框的侧面，所述螺母的出线面处于所述机框的侧面。
  34. 根据权利要求31所述的无人机系统，其特征在于，
    通过PCB走线将功率电流输出到设置有所述螺母的所述延伸板边，所述 螺母用以传输所述功率电流。
  35. 根据权利要求34所述的无人机系统，其特征在于，
    所述延伸板边处固定有成对设置的所述螺母，成对设置的所述螺母分别作为正接线端子和负接线端子。
  36. 根据权利要求28所述的无人机系统，其特征在于，
    至少一个所述接线端子为插拔端子，所述插拔端子固定在所述延伸板边，所述充电线包括插头，所述充电线通过所述插头与所述插拔端子插拔连接。
  37. 根据权利要求36所述的无人机系统，其特征在于，
    所述插拔端子为带卡扣的座子，所述充电线的所述插头与所述插拔端子通过所述卡扣卡接固定。
  38. 根据权利要求36所述的无人机系统，其特征在于，
    所述插拔端子和所述延伸板边处设有对应设置的通孔，所述插拔端子通过紧固件紧固在所述延伸板边处。
  39. 根据权利要求36所述的无人机系统，其特征在于，
    通过PCB走线将通信信号输出到设置有所述插拔端子的所述延伸板边，所述插拔端子用以传输所述通信信号。
  40. 根据权利要求39所述的无人机系统，其特征在于，
    所述插拔端子为485端子。
  41. 根据权利要求28至40中任一项所述的无人机系统，其特征在于，
    至少一个所述延伸板边处设置有三个所述接线端子，分别为正接线端子、负接线端子和通信端子；
    所述充电线包括三根线体，所述正接线端子、所述负接线端子和所述通信端子用于与所述充电线的三根所述线体对应连接。
  42. 根据权利要求41所述的无人机系统，其特征在于，
    所述正接线端子和所述负接线端子均为螺母，与所述正接线端子连接的一根所述线体的端部及与所述负接线端子连接的一根所述线体的端部均设有与所述螺母配合的螺丝；
    所述通信端子为插拔端子，与所述通信端子连接的一根所述线体的端部设有与所述插拔端子配合的插头。
  43. 根据权利要求41所述的无人机系统，其特征在于，
    所述机框外设置有用于供所述充电线的三根所述线体穿过的限位部，所述充电线的三根所述线体的一端部均穿过所述限位部后，与所述正接线端子、所述负接线端子及所述通信端子对应连接。
  44. 根据权利要求41所述的无人机系统，其特征在于，
    所述PCB相对的两侧均具有一个或多个所述延伸板边，每一所述延伸板边均延伸到所述机框的侧面，每一所述延伸板边处均设置有三个所述接线端子。
  45. 根据权利要求44所述的无人机系统，其特征在于，
    所述延伸板边的数量为四个，四个所述延伸板边两两设置在所述PCB相对的两侧。
  46. 根据权利要求28至40中任一项所述的无人机系统，其特征在于，
    所述充电器还包括控制面板，所述控制面板设置在所述机框上。
  47. 根据权利要求46所述的无人机系统，其特征在于，
    所述控制面板包括物理按键、触屏按键、显示屏、指示灯中的至少一个。
  48. 根据权利要求47所述的充电器，其特征在于，
    所述控制面板包括指示灯，所述指示灯包括一个或多个充电状态指示灯，至少一个所述充电状态指示灯与相应的所述延伸板边连接，用于指示与所述延伸板边处的所述接线端子连接的电池的电量状态。
  49. 根据权利要求28至40中任一项所述的无人机系统，其特征在于，
    所述机框外设置有固定结构，所述固定结构用于将所述充电线固定在所述充电器的所述机框上。
  50. 根据权利要求49所述的无人机系统，其特征在于，
    所述固定结构包括固定槽，所述充电线卡接固定在所述固定槽中。
  51. 根据权利要求49所述的无人机系统，其特征在于，
    所述充电线包括第一端和第二端，所述充电线的第一端用于与所述充电器的所述接线端子连接，所述充电线的第二端用于与电池连接，所述充电线的第二端能够通过所述固定结构可拆卸地固定在所述充电器的所述机框上。
  52. 根据权利要求51所述的无人机系统，其特征在于，
    所述充电线的第二端能够越过所述充电器的所述机框的顶部，并可拆卸地固定在所述机框与所述充电线的第一端相背的一侧。
PCT/CN2018/117994 2018-11-28 2018-11-28 充电器和无人机系统 Ceased WO2020107280A1 (zh)

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