CN216958332U

CN216958332U - Unmanned aerial vehicle's power battery and unmanned aerial vehicle

Info

Publication number: CN216958332U
Application number: CN202123407289.3U
Authority: CN
Inventors: 李至淼; 袁志山; 周杰宇; 洪国强; 王效东; 齐东荣
Original assignee: Huizhou Yiwei New Energy Research Institute
Current assignee: Huizhou Yiwei New Energy Research Institute
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-12
Anticipated expiration: 2031-12-30

Abstract

The power battery of the unmanned aerial vehicle comprises a shell and a battery cell assembly arranged in the shell, wherein the outer side wall of the shell is provided with a plurality of first mounting bulges and a plurality of first mounting grooves, the first mounting bulges and the first mounting grooves are alternately distributed at intervals, the first mounting bulges are matched with second mounting grooves in the inner wall of a battery compartment of the unmanned aerial vehicle, and the first mounting grooves are matched with second mounting bulges in the inner wall of the battery compartment. The power battery can meet the use requirements of bare-handed quick replacement, convenient maintenance and resistance to large vibration and impact of the unmanned aerial vehicle power battery.

Description

Unmanned aerial vehicle's power battery and unmanned aerial vehicle

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle equipment, in particular to a power battery of an unmanned aerial vehicle and the unmanned aerial vehicle.

Background

The power battery is widely applied in the field of unmanned aerial vehicles, in order to improve the endurance and the load capacity of the unmanned aerial vehicle, the fuselage is mostly made of composite materials, the weight of the whole unmanned aerial vehicle is reduced, the power battery is generally installed in a common mode of screw locking, glue adhesion, binding and the like, redundant parts or materials except the power battery are required to be added, the endurance and the load capacity of the unmanned aerial vehicle are not favorably improved, the requirements of faster take-off and landing are met, and the unmanned aerial vehicle has the following defects that the screw locking, the assembly and disassembly are troublesome, the quick replacement is not favorably realized, and the glue adhesion does not have maintainability or has high maintenance cost; the fixing mode of the binding band cannot bear large vibration and impact.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power battery of an unmanned aerial vehicle, which can meet the use requirements of bare-handed quick replacement, convenient maintenance and resistance to large vibration and impact of the power battery of the unmanned aerial vehicle.

The utility model also provides an unmanned aerial vehicle, which has the advantages of firm battery fixation, convenient disassembly and higher reliability.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

the utility model discloses a power battery of an unmanned aerial vehicle, which comprises a shell and a battery core assembly arranged in the shell, wherein the outer side wall of the shell is provided with a plurality of first mounting bulges and a plurality of first mounting grooves, the first mounting bulges and the first mounting grooves are alternately distributed at intervals, the first mounting bulges are matched with second mounting grooves on the inner wall of a battery cabin of the unmanned aerial vehicle, and the first mounting grooves are matched with the second mounting bulges on the inner wall of the battery cabin.

In some embodiments, the first mounting protrusion and the first mounting groove are both disposed to extend in a height direction of the housing.

In some embodiments, the casing includes first half shell and the second half shell of mutual lock, first half shell with all be equipped with on the second half shell and cross half hole, two cross half hole concatenation for crossing the line hole, cross the line hole and be used for passing through the lead-out wire of electric core subassembly.

In some specific embodiments, one of the first half-shell and the second half-shell is provided with a tab that is plugged onto the other of the first half-shell and the second half-shell.

In some embodiments, the electric core assembly comprises: the battery cell comprises a plurality of battery cell bodies which are arranged in a laminated manner; the connecting plate is connected to one end of the cell body so as to realize series connection and/or parallel connection of the cell bodies; the control panel is electrically connected with the battery cell body and the connecting plate; the insulating plate is clamped between the control plate and the connecting plate.

In some specific embodiments, the electric core assembly further comprises a fixing plate, the fixing plate is used for installing the control board, and two opposite side walls of the fixing plate are attached to the inner side wall of the shell.

In some more specific embodiments, the fixing plate is provided with a fixing slot, the fixing slot is provided with a cavity, and the control panel is clamped in the cavity of the fixing slot.

In some specific embodiments, the cell assembly further includes a temperature control sheet, and the temperature control sheet is disposed between two adjacent cell bodies.

The utility model also discloses an unmanned aerial vehicle which comprises the power battery and the shell of the unmanned aerial vehicle, wherein a battery bin is defined in the shell, one side of the battery bin is arranged in an open manner, a plurality of second mounting grooves and second mounting bulges which are alternately distributed at intervals are arranged on the inner wall of the battery bin, the second mounting bulges are matched with the first mounting grooves, and the second mounting grooves are matched with the first mounting bulges.

In some embodiments, a quick-release hole is formed in the bottom wall of the battery compartment.

The power battery of the unmanned aerial vehicle has the beneficial effects that: according to the utility model, the outer side wall of the shell is provided with the plurality of first mounting bulges and the plurality of first mounting grooves, in the actual mounting process, only the power battery needs to be inserted into the battery compartment of the unmanned aerial vehicle, the first mounting bulges are inserted into the second mounting grooves, and the second mounting bulges are inserted into the first mounting grooves, so that the power battery can be tightly fixed in the battery compartment of the unmanned aerial vehicle by using the mortise and tenon structure, and the power battery can be mounted by inserting without using other auxiliary structures such as screws, glue, binding bands and the like in the mounting process, so that the power battery can be rapidly mounted and dismounted, and the maintenance is convenient. And because first mounting groove and first installation arch are a plurality ofly, install back in the battery compartment when unmanned aerial vehicle's power battery, can resist big vibration, impact requirement.

The unmanned aerial vehicle has the beneficial effects that: owing to have the aforesaid power battery, this unmanned aerial vehicle's battery is fixed firm, dismantles the convenience and the reliability is higher.

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

Drawings

Fig. 1 is an exploded schematic view of a power battery of an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a housing of a power battery of the unmanned aerial vehicle of the present invention;

fig. 3 is an exploded view of the core assembly of the power battery of the drone of the present invention;

fig. 4 is a schematic view of a structure of the unmanned aerial vehicle according to the present invention, in which a housing is fitted with a power battery;

fig. 5 is a schematic structural diagram of the housing of the drone of the present invention.

Reference numerals:

1. a housing; 11. a first half shell; 111. a tag; 12. a second half shell; 101. a first mounting boss; 102. a first mounting groove; 103. a wire passing half hole;

2. an electrical core assembly; 21. a cell body; 22. a connecting plate; 23. a control panel; 24. an insulating plate; 25. a fixing plate; 251. fixing the clamping groove; 26. an output line; 27. a temperature collection line; 28. a temperature control sheet;

3. a housing; 31. a battery compartment; 311. a second mounting groove; 312. a second mounting boss; 313. a quick-release hole.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the power battery of the unmanned aerial vehicle according to the embodiment of the present invention is described below with reference to fig. 1 to 3.

The utility model discloses a power battery of an unmanned aerial vehicle, which comprises a shell 1 and a battery core assembly 2 arranged in the shell 1, wherein the outer side wall of the shell 1 is provided with a plurality of first mounting protrusions 101 and a plurality of first mounting grooves 102, the first mounting protrusions 101 and the first mounting grooves 102 are alternately distributed at intervals, the first mounting protrusions 101 are matched with second mounting grooves 311 on the inner wall of a battery compartment 31 of the unmanned aerial vehicle, and the first mounting grooves 102 are matched with second mounting protrusions 312 on the inner wall of the battery compartment 31.

It can be understood that, because be equipped with a plurality of first installation arch 101 and a plurality of first mounting groove 102 on casing 1's the lateral wall, in actual installation, only need insert power battery in unmanned aerial vehicle's the battery compartment 31, and make first installation arch 101 insert in second mounting groove 311, second installation arch 312 inserts in first mounting groove 102, utilize this kind of mortise and tenon structure can fix power battery tight fit in unmanned aerial vehicle's battery compartment 31, the process of realizing the power battery installation need not use the screw, glue, other auxiliary structure such as bandage, utilize to peg graft and can install, make this power battery can install and remove fast, convenient maintenance. And because first mounting groove 102 and first installation arch 101 are a plurality of, after unmanned aerial vehicle's power battery installed in battery compartment 31, can resist big vibration, impact requirement.

Optionally, the material of the casing 1 may be carbon fiber or kevlar, or other hardware, plastic, composite materials, or the like.

Alternatively, the first mounting protrusion 101 and the first mounting groove 102 of the present embodiment may be formed by cutting a plate material, or by stamping the plate material.

In some embodiments, as shown in fig. 1, the first mounting protrusion 101 and the first mounting groove 102 are both provided to extend in the height direction of the housing 1. It can be understood that, in general, the housing 1 is generally a rectangular parallelepiped, and is generally a rectangular parallelepiped with a smaller height dimension, and the first mounting protrusion 101 and the first mounting groove 102 are both extended along the height direction of the housing 1, so as to facilitate the processing of the housing 1, and thus improve the manufacturing efficiency.

It should be added here that the extending direction of the first mounting protrusion 101 and the first mounting groove 102 can be selected according to actual needs, and is not limited to the height direction extension of the embodiment.

In some embodiments, as shown in fig. 1-2, the housing 1 includes a first half shell 11 and a second half shell 12 that are fastened to each other, each of the first half shell 11 and the second half shell 12 is provided with a wire passing half hole 103, the two wire passing half holes 103 are spliced to form a wire passing hole, and the wire passing hole is used for passing through an outgoing line of the electrical core assembly 2. It can be understood that, casing 1 adopts the mode of first half shell 11 and the concatenation of second half shell 12, on the one hand makes things convenient for the processing equipment, and on the other hand conveniently packs into electric core subassembly 2 in casing 1 to make things convenient for electric core subassembly 2's lead-out wire to draw forth.

In some specific embodiments, as shown in fig. 1, one of the first half shell 11 and the second half shell 12 is provided with a tab 111, and the tab 111 is inserted into the other of the first half shell 11 and the second half shell 12. It can be understood that, in the actual assembly process, the connecting tab 111 may be inserted into the other half shell, and then the first half shell 11 and the second half shell 12 are fixed by gluing or welding, which is convenient for installation and has good connection stability and connection sealing performance.

It should be noted that the connecting tab 111 may be a structure separately and separately connected to the first half shell 11 and the second half shell 12, or a structure formed by machining the first half shell 11 and the second half shell 12, which may be selected according to actual needs.

In some embodiments, as shown in fig. 3, the cell assembly 2 includes a cell body 21, a connecting plate 22, a control plate 23 and an insulating plate 24, the cell body 21 is stacked in a plurality, and the stacking direction is not limited and may be along the height direction or the width direction of the casing. The connecting plate 22 is connected to one end of the cell body 21 to realize series connection and/or parallel connection of a plurality of cell bodies 21, the control board 23 is electrically connected to the cell body 21 and the connecting plate 22, and the insulating board 24 is sandwiched between the control board 23 and the connecting plate 22. It can be understood that the control board 23 protects the power battery from over-discharge, over-charge, over-current, short circuit and over-temperature, and the specific form of the control board 23 can be selected according to the existing control technology, and the specific form of the control board 23 is not limited herein. The insulating plate 24 is placed between the connecting plate 22 and the control board 23 to avoid short circuit between the electronic components on the connecting plate 22 and the electronic components on the control board 23, and the material of the insulating plate 24 is preferably a glass fiber plate or a teflon sheet, and may be other insulating materials.

Optionally, as shown in fig. 3, the core assembly 2 further includes an output line 26 and a temperature collecting line 27, one end of the output line 26 and one end of the temperature collecting line 27 extend out of the housing 1, and the output line 26 adopts an aviation standard plug XT60, and may also be other output connectors; the temperature acquisition line 27 adopts a balanced pressure acquisition and temperature acquisition plug line, so that the safety of the power battery in the charging and discharging process is ensured, the voltage and the temperature of the power battery are acquired and uploaded in real time, and the charging balance function of the power battery can be realized.

In some specific embodiments, as shown in fig. 3, the electric core assembly 2 further includes a fixing plate 25, the fixing plate 25 is used for mounting the control board 23, and two opposite side walls of the fixing plate 25 are attached to the inner side walls of the housing 1. It can be understood that there are more control elements on the control panel 23, and if the control panel 23 shakes during the flight of the drone, a malfunction of the drone may occur. In this embodiment, adopt fixed plate 25 fixed control panel 23, can promote control panel 23's installation stability to reduce unmanned aerial vehicle's fault rate.

In some more specific embodiments, as shown in fig. 3, a fixing slot 251 is disposed on the fixing plate 25, the fixing slot 251 has a cavity, and the control board 23 is clamped in the cavity of the fixing slot 251. Therefore, the control plate 23 can be stably mounted on the fixing plate 25, and the phenomenon that the control plate 23 shakes is avoided.

In some specific embodiments, as shown in fig. 3, the cell core assembly 2 further includes temperature control plates 28, the temperature control plates 28 are disposed between two adjacent cell bodies 21, and the number of the temperature control plates 28 is 1 or more, which can be selected according to actual needs. It can be understood that temperature control plate 28 can ensure that cell body 21 has a higher temperature under low temperature environment, and cell body 21 can not work when avoiding the low temperature state, and temperature control plate 28 can also reduce the temperature of cell body 21 under high temperature environment to reduce the probability that thermal runaway appears in cell body 21. In the embodiment of the present invention, the specific type of the temperature control sheet 28 can be selected according to actual needs.

Example (b):

the power battery of unmanned aerial vehicle of this embodiment includes casing 1 and establishes electric core subassembly 2 in casing 1 inside. Casing 1 includes the first half shell 11 and the second half shell 12 of mutual lock, all is equipped with half hole 103 of line on the first half shell 11 and the second half shell 12, and two are crossed half hole 103 concatenations and are crossed the line hole for crossing the line hole, cross the line hole and be used for the lead-out wire through electric core subassembly 2. The first half-shell 11 is provided with a locking tab 111, which locking tab 111 is inserted into the second half-shell 12. Be equipped with a plurality of first mounting protrusion 101 and a plurality of first mounting groove 102 on the lateral wall of first half shell 11 and second half shell 12, first mounting protrusion 101 and the alternate interval distribution of first mounting groove 102, second mounting groove 311 interference fit on the inner wall of first mounting protrusion 101 and unmanned aerial vehicle's battery compartment 31, the protruding 312 interference fit of second mounting on first mounting groove 102 and the inner wall of battery compartment 31.

The battery core assembly 2 comprises battery core bodies 21, a connecting plate 22, a control plate 23, an insulating plate 24, an output line 26, a temperature collecting line 27, a fixing plate 25 and a temperature control plate 28, wherein the battery core bodies 21 are arranged in six layers along the height direction of the shell 1, the connecting plate 22 is connected to the lugs of the battery core bodies 21 to realize series-parallel connection combination of the six battery core bodies 21, the control plate 23 is electrically connected with the connecting plate 22, and the insulating plate 24 is clamped between the control plate 23 and the connecting plate 22. The fixing plate 25 is used for mounting the control panel 23, and two opposite side walls of the fixing plate 25 are attached to the inner side wall of the housing 1. The fixing plate 25 is provided with a fixing slot 251, the fixing slot 251 has a cavity, and the control board 23 is installed in the cavity of the fixing slot 251. The temperature control plate 28 is disposed between two adjacent cell bodies 21.

The specific structure of the unmanned aerial vehicle of the embodiment of the present invention is described below with reference to fig. 4 to 5.

The utility model also discloses an unmanned aerial vehicle which comprises the power battery of the unmanned aerial vehicle and the shell 3, wherein a battery bin 31 is defined in the shell 3, one side of the battery bin 31 is arranged in an open mode, a plurality of second mounting grooves 311 and second mounting protrusions 312 which are alternately distributed at intervals are arranged on the inner wall of the battery bin 31, the second mounting protrusions 312 are matched with the first mounting grooves 102, and the second mounting grooves 311 are matched with the first mounting protrusions 101.

Preferably, the second mounting protrusion 312 is in interference fit with the first mounting groove 102, and the second mounting groove 311 is in interference fit with the first mounting protrusion 101. Therefore, the connection stability of the power battery and the shell 3 can be improved, and the vibration and impact resistance of the power battery can be improved.

In some embodiments, the bottom wall of the battery compartment 31 is provided with a quick release hole 313. It can be understood that, during the actual disassembly process, the user only needs to extend a finger or a tool into the quick-release hole 313 to eject the power battery, which facilitates the disassembly of the power battery.

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

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides an unmanned aerial vehicle's power battery, its characterized in that includes casing (1) and establishes inside electric core subassembly (2) of casing (1), be equipped with a plurality of first installation arch (101) and a plurality of first mounting groove (102) on the lateral wall of casing (1), first installation arch (101) with first mounting groove (102) interval distribution in turn, second mounting groove (311) cooperation on first installation arch (101) and unmanned aerial vehicle's battery compartment (31) the inner wall, first mounting groove (102) with the protruding (312) cooperation of second installation on the inner wall of battery compartment (31).

2. The power battery of the unmanned aerial vehicle of claim 1, characterized in that, the first mounting protrusion (101) and the first mounting groove (102) are both arranged along the height direction of the housing (1).

3. The power battery of the unmanned aerial vehicle of claim 1, characterized in that, casing (1) includes first half shell (11) and second half shell (12) of mutual lock, all be equipped with on first half shell (11) and second half shell (12) and cross half hole (103), two cross half hole (103) concatenation for crossing the line hole, cross the line hole and be used for passing through the lead-out wire of electric core subassembly (2).

4. The power battery of the unmanned aerial vehicle of claim 3, wherein one of the first half-shell (11) and the second half-shell (12) is provided with a tab (111), and the tab (111) is plugged onto the other of the first half-shell (11) and the second half-shell (12).

5. The power battery of the unmanned aerial vehicle of claim 1, wherein the electric core assembly (2) comprises:

the battery cell comprises a plurality of battery cell bodies (21), wherein the battery cell bodies (21) are arranged in a stacked manner;

the connecting plate (22) is connected to one end of the cell body (21) to realize series connection and/or parallel connection of a plurality of cell bodies (21);

the control board (23), the control board (23) is electrically connected with the battery cell body (21) and the connecting board (22);

an insulating plate (24), wherein the insulating plate (24) is clamped between the control plate (23) and the connecting plate (22).

6. The power battery of the unmanned aerial vehicle of claim 5, wherein the electric core assembly (2) further comprises a fixing plate (25), the fixing plate (25) is used for installing the control board (23), and two opposite side walls of the fixing plate (25) are attached to the inner side wall of the housing (1).

7. The power battery of the unmanned aerial vehicle as claimed in claim 6, wherein the fixing plate (25) is provided with a fixing slot (251), the fixing slot (251) has a cavity, and the control board (23) is clamped in the cavity of the fixing slot (251).

8. The power battery of the unmanned aerial vehicle of claim 5, wherein the cell assembly (2) further comprises a temperature control sheet (28), and the temperature control sheet (28) is arranged between two adjacent cell bodies (21).

9. An unmanned aerial vehicle, characterized by, include power battery and shell (3) of unmanned aerial vehicle of any one of claims 1-8, inject battery compartment (31) in the shell (3), one side of battery compartment (31) opens the setting, be equipped with interval and a plurality of second mounting groove (311) and second installation arch (312) of alternate distribution on the inner wall of battery compartment (31), second installation arch (312) with first mounting groove (102) cooperation, second mounting groove (311) with first installation arch (101) cooperation.

10. The unmanned aerial vehicle of claim 9, wherein the bottom wall of the battery compartment (31) is provided with a quick release hole (313).