CN211685623U

CN211685623U - Controller for unmanned aerial vehicle, unmanned aerial vehicle

Info

Publication number: CN211685623U
Application number: CN201922407778.5U
Authority: CN
Inventors: 冯维; 崔梦秋; 刘海宁
Original assignee: China Mining Drives and Automation Co Ltd
Current assignee: Jiangsu Guochuan Electric Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-16
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a controller for unmanned aerial vehicle, this controller includes roof, middle placing frame and bottom plate, be provided with the circuit board box with the roof as the bottom above the roof, the circuit board box is used for placing the main control board; the middle placing frame is used for placing an IGBT (insulated gate bipolar transistor), a driving board, a capacitor and a power bottom board circuit board; the front panel and the right side panel of the middle placing frame are provided with a plurality of openings for placing connecting copper bars; the four corners department of placing the frame in the middle of is equipped with the breach, with the bottom plate cooperation so that the bottom plate sets up the mounting hole for settle fixed control ware. The controller is high in power density and convenient to install and maintain quickly.

Description

Controller for unmanned aerial vehicle, unmanned aerial vehicle

Technical Field

The application relates to the technical field of controllers, in particular to a controller for an unmanned aerial vehicle.

Background

With the continuous development of the unmanned aerial vehicle technology, the application field of the unmanned aerial vehicle is more and more extensive, and the unmanned aerial vehicle is used for operation in various industries, such as military use, police use, civil use, agricultural plant protection, aerial photography and other fields. Along with the popularization of unmanned aerial vehicle application, military unmanned aerial vehicle is bigger and bigger to the power demand of its controller, because current military unmanned aerial vehicle controller is because the overall arrangement is unreasonable, and space utilization is low, leads to the power density of unmanned aerial vehicle controller to be difficult to expand.

Disclosure of Invention

The utility model discloses just to the shortcoming that exists among the prior art, provide a controller for unmanned aerial vehicle, this controller structural layout is reasonable, and is compact, and power density is big.

The utility model provides a controller for an unmanned aerial vehicle, which comprises a top plate, a middle placing frame and a bottom plate, wherein a circuit board box taking the top plate as the bottom is arranged above the top plate, and the circuit board box is used for placing a main control board; the middle placing frame is used for placing an IGBT (insulated gate bipolar transistor), a driving board, a capacitor and a power bottom board circuit board; the front panel and the right side panel of the middle placing frame are provided with a plurality of copper bar connecting holes; the four corners department of placing the frame in the middle of is equipped with the breach, with the bottom plate cooperation so that the bottom plate sets up the mounting hole for settle fixed control ware.

Preferably, the bottom plate is a water-cooling plate.

Preferably, three holes are formed in the bottom of the circuit board box and correspond to the driving board, and the three holes are used for internal wiring.

Preferably, the IGBT is fixed on the water cooling plate through bolts.

Preferably, the driving board and the capacitor are fixed above the power bottom board circuit board, and the power bottom board circuit board is fixed in the middle placing frame.

Preferably, the IGBT is placed below the power bottom board circuit board and opposite to the driving board, and is connected with the power bottom board circuit board through a bolt.

Preferably, the controller further comprises a support frame, the support frame is fixed at the bottom of the middle placing frame and used for supporting the capacitor, and the height of the support frame exceeding the bottom of the middle placing frame is equal to the height of the IGBT.

Preferably, interface positions are reserved around the circuit board box.

Preferably, the top plate, the middle placing frame, the bottom plate and the circuit board box of the controller are all made of engineering plastics.

The utility model also provides an unmanned aerial vehicle, including foretell controller for the unmanned aerial vehicle.

Compared with the prior art, the utility model discloses specifically as follows advantage: 1) the utility model adopts the main control board to be arranged outside through the circuit board box, so as to increase the usable space inside the controller and facilitate the maintenance of the main control board; 2) the controller adopts a water-cooling heat dissipation mode, and a water circulation system on the unmanned aerial vehicle is directly utilized, so that the heat dissipation requirement of the controller can be met; 3) the controller is made of engineering plastics, so that the weight is lighter on the premise of ensuring the strength; 4) reasonable and compact structure and high power density.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. The present application will be described in detail with reference to the accompanying drawings and examples.

Fig. 1 is an overall structure diagram of a controller for an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is a structural diagram of a circuit board box according to an embodiment of the present invention;

fig. 3 is an exploded view of a controller structure for an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating placement of a support frame in a controller for an unmanned aerial vehicle according to an embodiment of the present invention;

in the figure, 100, a bottom plate, 200, a middle placing frame 300, a circuit board box, 400 and a top plate.

101. IGBT, 102, water cooling board water inlet and outlet holes, 103, water cooling board panel, 201, copper bar connecting hole, 202, power bottom board circuit board, 203, IGBT driving board, 204, capacitor, 301, main control board, 302, internal wiring hole, 303, interface, 304 and circuit board box upper cover.

Detailed Description

The invention provides a novel controller for an unmanned aerial vehicle motor, which is mainly used for military unmanned aerial vehicles. The structure of the utility model is as shown in fig. 1, 2 and 3, an unmanned aerial vehicle motor controller comprises a top plate 400, a middle placing frame 200 and a bottom plate 100, wherein a circuit board box 300 taking the top plate as the bottom is arranged above the top plate 400, and the circuit board box 300 is used for placing a main control board 301; the middle placing frame 200 is used for placing an IGBT and driving board 203, a capacitor 204 and a power bottom board circuit board 202; the front panel and the right side panel of the middle placing frame 200 are provided with a plurality of copper bar connecting holes 201; the four corners of the middle placing frame 200 are provided with notches which are matched with the bottom plate 100, so that the bottom plate is provided with mounting holes for arranging and fixing the controller.

The top plate 400 is provided with a mounting panel above the copper bar connecting holes 201 of the middle placing frame 200 so as to facilitate the copper bar connection.

Further, the bottom plate is the water-cooling board, and the controller adopts the water-cooling heat dissipation mode, directly utilizes the water circulating system on the unmanned aerial vehicle, can satisfy the heat dissipation requirement of controller.

Further, three holes are formed in the bottom of the circuit board box at positions corresponding to the driving boards for internal wiring, as shown in fig. 2.

Furthermore, the IGBT is fixed on the water-cooling plate surface plate 103 of the water-cooling plate through bolts, and the IGBT is directly placed on the water-cooling plate, so that heat dissipation of the IGBT is facilitated. The embodiment of the utility model provides an in contain three IGBTs in the controller, arrange in proper order and place.

Further, the driving board and the capacitor are fixed above the power bottom board circuit board, and the power bottom board circuit board is fixed in the middle of the placing frame. The IGBT is placed below the power bottom board circuit board and opposite to the position of the driving board and is connected with the power bottom board circuit board through a bolt.

Specifically, the IGBT is fixed with the power bottom board circuit board 202 and the water cooling board through bolts, the IGBT is placed below the power bottom board circuit board and right opposite to the drive board, so that the IGBT is connected with the drive board 203, the IGBT drive board 203 is inserted into the power bottom board circuit board 202 through a pin, the capacitor 204 is welded on the power bottom board, and the power bottom board circuit board is fixed in the middle of the power bottom board circuit board and placed on the frame. As shown with reference to fig. 3. The embodiment of the utility model provides an in the controller contain three, ten, the water-cooling board of electric capacity of IGBT drive plate, power bottom plate circuit board, main control board circuit board. One controller is an inverter of a complete diode clamping type three-level topological principle.

Furthermore, the controller also comprises a support frame, the support frame is fixed at the bottom of the middle placing frame and used for supporting the capacitor, and the height of the support frame exceeding the bottom of the middle placing frame is equal to the height of the IGBT. As shown in fig. 4, the support frame supports the capacitor on one hand, and the flat layer of the IGBT on the other hand is kept flat, which is beneficial to the stability of the whole structure.

Further, the circuit board box can be opened through the circuit board box upper cover 304, and the periphery of the circuit board box is provided with interface positions 303 for external communication, as shown in fig. 2.

The controller in the above embodiments adopts a structure that makes the controller more compact. The top plate, the middle placing frame, the bottom plate and the circuit board box of the controller are all made of engineering plastics, so that the controller is lighter in weight on the premise of ensuring the strength; the controller has reasonable and compact structural layout and high power density.

Claims

1. A controller for an unmanned aerial vehicle comprises a top plate, a middle placing frame and a bottom plate, and is characterized in that a circuit board box with the top plate as the bottom is arranged above the top plate and used for placing a main control board; the middle placing frame is used for placing an IGBT (insulated gate bipolar transistor), a driving board, a capacitor and a power bottom board circuit board; the front panel and the right side panel of the middle placing frame are provided with copper bar connecting holes; the four corners department of placing the frame in the middle of is equipped with the breach, with the bottom plate cooperation so that the bottom plate sets up the mounting hole for settle fixed control ware.

2. The controller for the unmanned aerial vehicle of claim 1, wherein the base plate is a water-cooled plate.

3. The controller for the unmanned aerial vehicle of claim 1, wherein the bottom of the circuit board box is provided with three internal wiring holes at positions corresponding to the driving board.

4. The controller for the unmanned aerial vehicle as claimed in claim 2, wherein the IGBT is fixed to the water-cooled plate by a bolt.

5. The controller for the unmanned aerial vehicle of claim 3, wherein the driver board and the capacitor are fixed above a power backplane circuit board, and the power backplane circuit board is fixed on a middle placement frame.

6. The controller for the unmanned aerial vehicle of claim 4, wherein the IGBT is disposed below the power backplane circuit board at a position facing the driving board and connected to the power backplane circuit board by a bolt.

7. The controller for the unmanned aerial vehicle of claim 5, characterized in that, the controller further comprises a support frame, the support frame is fixed at the bottom of the middle placing frame and used for supporting the capacitor, and the height of the support frame exceeding the bottom of the middle placing frame is equal to the height of the IGBT.

8. The controller for the unmanned aerial vehicle of claim 1, wherein an interface position is further left around the circuit board box.

9. The controller for the unmanned aerial vehicle of claim 1, wherein the top plate, the middle placement frame, the bottom plate and the circuit board box of the controller are all made of engineering plastics.

10. A drone, characterized in that it comprises a controller for a drone according to any one of claims 1 to 9.