CN218334100U

CN218334100U - Replaceable battery box

Info

Publication number: CN218334100U
Application number: CN202222018418.8U
Authority: CN
Inventors: 田瑜; 曾庆佳
Original assignee: Autoflight Kunshan Co Ltd
Current assignee: Autoflight Kunshan Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-17
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to an unmanned air vehicle technique field discloses a can replace battery case. The replaceable battery box comprises a battery shell and a plurality of battery packs arranged in the battery shell; the battery case is provided with a mounting piece, and the battery case can be fixedly assembled on the aircraft shell through the mounting piece; an air inlet and an air outlet are respectively arranged at the two ends of the battery case, and an air flow channel communicated with the air inlet and the air outlet is arranged between the battery case and the battery pack. The replaceable battery box provided by the utility model integrates the battery pack into the battery shell to form a modular battery box, and the battery box is integrally assembled on the shells of aircrafts such as unmanned aerial vehicles and the like through the mounting piece, thereby realizing the quick replacement function of the battery box and the battery pack therein and effectively reducing the flying interval of the aircrafts; the air inlet and the vent are formed in the two ends of the bottom of the battery case, and an air cooling heat dissipation channel is formed in the battery case, so that the high-temperature risk of the battery case can be effectively reduced.

Description

Replaceable battery box

Technical Field

The utility model relates to an unmanned air vehicle technique field especially relates to a can replace battery case.

Background

Along with the development of the times, the application of electric vertical take-off and landing unmanned aerial vehicles is more and more extensive, and at the present stage, each large company carries out research on unmanned aerial vehicles with various configurations respectively, including: compound wing configuration, tilt rotor configuration, multi-rotor configuration, and the like. Wherein, compound wing unmanned aerial vehicle compromises the advantage of VTOL ability and flight during long voyage, and the application scene is more extensive, especially in the aspect of big load and long distance flight.

Among the prior art, electronic VTOL aircraft such as compound wing unmanned aerial vehicle all takes the battery package to supply power, and this kind of battery package need be fixed in the aircraft, carries out the energy storage through charging, because the interval of charging is more of a specified duration at every turn, can increase unmanned aerial vehicle's flight interval, reduces the flight conveying efficiency, and is not convenient for maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can replace battery case, should replace battery case and can realize unmanned aerial vehicle's quick electricity of trading, the flight interval that significantly reduces improves flight conveying efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

a replaceable battery cartridge comprising:

a plurality of battery packs;

the battery cases are fixed in the battery cases; the battery case is provided with a mounting piece, and the battery case can be fixedly assembled on an aircraft shell through the mounting piece; an air inlet and an air outlet are respectively arranged at two ends of the battery case, and an air flow channel communicated with the air inlet and the air outlet is arranged between the battery case and the battery pack.

As an alternative to a replaceable battery compartment, the ends of the battery housing are provided with a mounting dock on which battery system related equipment is mounted.

As an alternative scheme of a replaceable battery box, a bearing beam is distributed in the battery shell; the bearing beam is positioned between the bottom plate of the battery shell and the battery pack.

As an alternative scheme of the replaceable battery box, the bearing beam is of a hollow structure; the bearing beams are distributed in a grid shape.

As an alternative of the replaceable battery box, a guide plate is arranged at the bottom of the battery shell and is buckled at the air inlet, and the opening direction of the guide plate is back to the side where the air outlet is located.

As an alternative of the replaceable battery box, one end of the mounting part is fixedly mounted on the bearing beam, the other end of the mounting part extends out of the battery box to form a mounting end, and the mounting end is provided with a mounting hole.

As an alternative of a replaceable battery box, the bearing beam is of a tubular structure, and the mounting piece is inserted into the opening end of the bearing beam and is screwed and fixed through a threaded fastener.

As an alternative scheme of a replaceable battery box, an accommodating groove is formed in the inner wall of the battery shell, and the mounting piece is embedded in the accommodating groove.

As an alternative scheme of a replaceable battery box, a clamping block is arranged on the side edge of the battery pack, a limiting block is fixedly assembled in the battery shell, and the clamping block is clamped in a clamping groove formed in the side edge of the limiting block.

As an alternative to the replaceable battery case, the bottom of the battery pack is provided with a plurality of heat dissipation fins.

The utility model has the advantages that:

1. the utility model provides a can replace battery case, pack the battery case of modularization in the battery case with the battery package integration to assemble the battery case wholly on the shell of aircrafts such as unmanned aerial vehicle through the installed part, realize the quick replacement function of battery case and interior battery package, can effectively reduce the flight interval of aircraft, increase the work efficiency of aircraft.

2. The utility model provides a can replace battery case is provided with air intake and vent at the bottom both ends of battery case, forms forced air cooling heat dissipation channel in the battery case, can effectively reduce the high temperature risk of battery case, improves battery life.

Drawings

Fig. 1 is a schematic view of the overall structure of the replaceable battery box according to the present invention;

fig. 2 is a schematic cross-sectional view of the replaceable battery box according to the present invention;

fig. 3 is a schematic diagram of a second view structure of a battery case of the replaceable battery box according to the present invention;

fig. 4 is a schematic view illustrating a first view structure of a battery case of the replaceable battery box according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 4;

fig. 7 is a schematic cross-sectional view of an alternative battery box according to the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 7;

fig. 9 is a schematic view of a bottom structure of a battery pack with a replaceable battery box according to the present invention.

In the figure:

100-battery case; 101-a base plate; 1011-air outlet; 102-a side plate; 1021-an accommodation groove; 103-end plate; 104-a mounting dock; 105-a load-bearing beam; 106-air inlet; 110-a baffle; 120-a lid;

200-a battery pack; 210-battery management system module; 220-a heat sink; 230-a fixture block;

300-battery system related devices;

400-a mount; 410-assembly holes; 420-rib plate;

500-an assembly; 510-an assembly block;

600-a limiting block; 610-card slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a can replace battery case for pack the battery and form a whole module in the battery case integratively, be convenient for change dismantlement and maintenance, rechargeable battery package charging time interval of solving in aircraft such as current unmanned aerial vehicle is of a specified duration, and the flight interval is long, the problem of flight inefficiency.

Fig. 1 is a schematic diagram of an overall structure of a replaceable battery box provided by the present invention, and fig. 2 is a schematic diagram of a cross-sectional structure of a replaceable battery box provided by the present invention, referring to fig. 1 and fig. 2, the replaceable battery box provided by the present embodiment includes a battery case 100 and a plurality of battery packs 200, the plurality of battery packs 200 are fixed in the battery case 100; the battery case 100 is provided with a mounting member 400, and the battery case 100 can be fixedly mounted on the aircraft shell through the mounting member 400; the two ends of the battery case 100 are respectively provided with an air inlet 106 and an air outlet 1011, and an air flow channel for communicating the air inlet 106 and the air outlet 1011 is arranged between the battery case 100 and the battery pack 200.

The utility model provides a replaceable battery box, with battery package 200 integrated in battery case 100 to form the modularization battery case to assemble battery case whole on the shell of aircrafts such as unmanned aerial vehicle through installation part 400, realize the quick replacement function of battery case and battery package 200 in it, can effectively reduce the flight interval of aircrafts, increase the work efficiency of aircrafts; meanwhile, the air inlet 106 and the vent are arranged at the two ends of the bottom of the battery case 100, and an air-cooling heat dissipation channel is formed in the battery case 100, so that the high-temperature risk of the battery case can be effectively reduced, and the service life of the battery is prolonged.

With continued reference to fig. 1, in the present embodiment, the battery case 100 is enclosed by a bottom plate 101, side plates 102 disposed on both sides of the bottom plate 101, and end plates 103 disposed at the ends of the bottom plate 101 to form a trough-like structure, and the trough-like structure matches with the external shape of the aircraft to avoid increasing wind resistance, and as shown in this example, the battery case 100 is in a boat-shaped structure as a whole.

More specifically, in the present embodiment, the end of the Battery case 100 is provided with a mounting dock 104, and the mounting dock 104 is equipped with a Battery power Distribution Unit (BDU), a junction box, a fiber box, a charging relay, a fuse, and other Battery system-related devices 300. Meanwhile, a battery charging port is provided at a side of the docking station 104 for charging the battery pack 200. And a cover 120 is provided at the battery charging port to prevent impurities from entering the battery charging port.

Furthermore, this battery mouth that charges preferentially adopts standard new energy automobile to charge mouthful, makes it can adopt domestic new energy automobile to charge the rifle and charges, makes the battery charge more convenient. Meanwhile, a Battery management system module 210 (BMS) is disposed on the Battery pack 200 to monitor the state of the Battery and prolong the service life of the Battery.

Referring to fig. 2 and fig. 3, in the embodiment, the bottom of the battery case 100 is provided with the air deflector 110, the air deflector 110 is buckled at the air inlet 106, and the opening direction of the air deflector 110 is back to the side of the air outlet 1011, so that the air flow can smoothly enter the air inlet 106, and the smoothness of the heat dissipation air flow circulation is ensured.

Fig. 4 is a schematic view of a first viewing angle structure of a battery case 100 of a replaceable battery box according to the present invention, and referring to fig. 4, in this embodiment, in order to improve the mechanical strength of the battery case 100 and the battery box, a plurality of bearing beams 105 are disposed in the battery case 100, and the bearing beams 105 are located between a bottom plate 101 of the battery case 100 and a battery pack 200. Preferably, a plurality of bearing beams 105 are in a grid distribution, in order to avoid the bearing beams 105 blocking the heat dissipation channel, the bearing beams 105 are arranged in a hollow structure, and meanwhile, the hollow structure can reduce the weight of the bearing beams.

It should be mentioned that, in this embodiment, the bearing beam 105 is transversely disposed at the air inlet 106, and the hollow structure of the bearing beam 105 can filter the air flow entering from the air inlet 106, so as to prevent large-particle impurities from entering the battery case 100 and blocking the heat dissipation channel.

Fig. 5 and 6 are enlarged views of the part a and the part B in fig. 4, respectively, and referring to fig. 5 and 6, in the embodiment, one end of the mounting member 400 is fixedly mounted on the force bearing beam 105, the other end of the mounting member 400 extends to the outside of the battery case 100 to form a mounting end, and the mounting end is provided with a mounting hole 410 for mounting and fixing with an aircraft shell.

More specifically, in the embodiment, the force-bearing beam 105 is a tubular structure, preferably a square tube structure, and the mounting part 400 is formed by bending a groove-shaped structure which is U-shaped as a whole. The size of one end of the mounting part 400 is matched with the size of the opening of the bearing beam 105, can be inserted into the opening end of the bearing beam 105 and is screwed and fixed through a threaded fastener screwed between the bearing beam 105 and the mounting part 400; the other end of the mounting member 400 is bent toward the outside of the battery case 100, and a rib 420 structure is formed by the sidewall of the U-shaped groove structure thereof to enhance the mechanical strength of the mounting end.

In this embodiment, the accommodating groove 1021 has been seted up on the inner wall of battery case 100, and installed part 400 can inlay in this accommodating groove 1021, carries on spacingly to it through accommodating groove 1021 to improve the stability of this installed part 400.

With continued reference to fig. 5 and fig. 6, in the present embodiment, a limiting block 600 is fixedly assembled in the battery case 100, and the limiting block 600 is fixedly assembled on the force-bearing beam 105 through an assembly member 500. The assembly part 500 is of a U-shaped structure and is fixed on the bearing beam 105 through a threaded fastener, the assembly blocks 510 are arranged on two sides of the assembly part 500, and the assembly blocks 510 and the limiting block 600 can be assembled and fixed through the threaded fastener.

Preferably, the assembly part 500 is arranged on the bearing beam 105 on which the installation part 400 is arranged, so that an operator can simultaneously assemble and fix the installation part 400, the bearing beam 105 and the assembly part 500, and the assembly steps are saved.

Fig. 7 is a schematic sectional structure diagram of a replaceable battery box, fig. 8 is an enlarged view of a portion a in fig. 7, fig. 9 is a schematic structural diagram of a bottom of a battery pack 200 of a replaceable battery box, which is shown with reference to fig. 7-9, in this embodiment, a side of a limiting groove is provided with a clamping groove 610, a side of the battery pack 200 is provided with a clamping block 230, when the limiting groove is assembled, the clamping block 230 is inserted into the clamping groove 610, and the battery pack 200 can be positioned in the clamping groove 610 through the clamping block 230.

As shown in fig. 9, in the present embodiment, the bottom of the battery pack 200 is provided with a plurality of heat dissipation fins 220 for dissipating heat of the battery pack 200, and meanwhile, the plurality of heat dissipation fins 220 are connected to the air-cooling heat dissipation channel, which is more beneficial for the heat dissipation fins 220 to perform heat exchange.

Note: the fixing means not explicitly described herein may be a conventional fixing means such as a screw connection, a welding or an adhesive connection, as required.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. 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 claims of the present invention.

Claims

1. A replaceable battery pack, comprising:

a number of battery packs (200);

the battery shell (100), several said battery packs (200) are fixed in the said battery shell (100); the battery case (100) is provided with a mounting piece (400), and the battery case (100) can be fixedly assembled on an aircraft shell through the mounting piece (400); an air inlet (106) and an air outlet (1011) are respectively arranged at two ends of the battery case (100), and an air flow channel communicated with the air inlet (106) and the air outlet (1011) is arranged between the battery case (100) and the battery pack (200).

2. The replaceable battery pack of claim 1, wherein an end of the battery case (100) is provided with a mounting dock (104), said mounting dock (104) having battery system related devices (300) mounted thereon.

3. The replaceable battery pack of claim 1, wherein a load-bearing beam (105) is disposed within the battery case (100); the force bearing beam (105) is positioned between the bottom plate (101) of the battery shell (100) and the battery pack (200).

4. The replaceable battery compartment of claim 3, wherein the load-bearing beam (105) is a hollowed-out structure; the bearing beams (105) are distributed in a grid shape.

5. The replaceable battery box of claim 1, wherein a flow guiding plate (110) is disposed at the bottom of the battery case (100), and the flow guiding plate (110) is fastened to the air inlet (106) and has an opening direction opposite to the side of the air outlet (1011).

6. The replaceable battery pack of claim 3, wherein one end of the mounting member (400) is fixedly mounted on the force-bearing beam (105), the other end of the mounting member (400) extends to the outside of the battery case (100) to form a mounting end, and the mounting end is provided with a mounting hole (410).

7. The replaceable battery pack of claim 6, wherein the load-bearing beam (105) is a tubular structure, and the mounting member (400) is inserted into the open end of the load-bearing beam (105) and is screwed and fixed by a threaded fastener.

8. The replaceable battery pack of claim 6, wherein a receiving groove (1021) is formed on an inner wall of the battery case (100), and the mounting member (400) is inserted into the receiving groove (1021).

9. The replaceable battery box according to claim 2, wherein a clamping block (230) is arranged at the side of the battery pack (200), a limiting block (600) is fixedly assembled in the battery shell (100), and the clamping block (230) is clamped in a clamping groove (610) arranged at the side of the limiting block (600).

10. The replaceable battery pack of claim 1, wherein the bottom of the battery pack (200) is provided with a plurality of heat sinks (220).