CN214672738U

CN214672738U - Lithium ion battery module and unmanned aerial vehicle

Info

Publication number: CN214672738U
Application number: CN202120826783.4U
Authority: CN
Inventors: 殷振国; 谭欣荣; 林立; 吴进涛
Original assignee: Hunan Grepoow New Energy Co ltd
Current assignee: Hunan Grepoow New Energy Co ltd
Priority date: 2020-10-12
Filing date: 2021-04-21
Publication date: 2021-11-09
Anticipated expiration: 2031-04-21

Abstract

The utility model relates to a lithium ion battery's application discloses a lithium ion battery module and unmanned aerial vehicle. The lithium ion battery module comprises: the battery pack comprises a battery pack body, a charging and discharging circuit assembly, a head part, a charging and discharging interface and a shell, wherein the head part is arranged at the battery pack body and is provided with an electrode leading-out end, the head part is electrically connected with an electrode of the battery pack body, the charging and discharging circuit assembly is provided with the charging and discharging interface, the shell is encapsulated in the battery pack body and the charging and discharging circuit assembly, the shell is also provided with a power interface, and the power interface is electrically connected with the charging and discharging circuit assembly and the charging and discharging interface.

Description

Lithium ion battery module and unmanned aerial vehicle

Technical Field

The utility model relates to a lithium ion battery's application especially relates to a lithium ion battery module and unmanned aerial vehicle.

Background

The great work and the life that have made things convenient for people of unmanned aerial vehicle's application, as radio remote control equipment, unmanned aerial vehicle all has the wide application in agriculture, plant protection, transportation, survey and drawing, aerial photography to and abominable natural environment operation.

At present, lithium ion battery module is the wide application in unmanned aerial vehicle's battery, and prior art's unmanned aerial vehicle's battery connected mode is mostly binded the battery on the fuselage (or at unmanned aerial vehicle's fuselage additional battery box, adorns the battery in the battery box), then is connected the electrode of battery and unmanned aerial vehicle's drive circuit electricity through the winding displacement. The inventors found in the course of the research conducted by the present invention that,

the prior art has the following defects:

the battery is bound on the body of the unmanned aerial vehicle, so that the unmanned aerial vehicle is extremely inconvenient to install and disassemble, and the balance of the body of the unmanned aerial vehicle is influenced by infirm binding or gravity center shift, so that flight accidents are easily caused;

in addition, make the battery box and place the battery on unmanned aerial vehicle's fuselage, can increase fuselage weight, influence battery duration.

Except that, connecting wire between prior art's unmanned aerial vehicle and the battery often can reserve for the installation of cooperation battery longer, influences unmanned aerial vehicle's outward appearance uniformity and aesthetic property, and has the power and connect the defect that the convenience is low and the connection reliability is low.

Disclosure of Invention

An object of the embodiment of the utility model is to provide a lithium ion battery module and unmanned aerial vehicle, use this technical scheme to be favorable to improving unmanned aerial vehicle's uniformity, improve convenience and reliability that the power is connected.

In a first aspect, an embodiment of the present invention provides a lithium ion battery module, including:

the battery pack body comprises a plurality of battery monomers which are connected in series or in parallel or in combination of series connection and parallel connection,

a charge and discharge circuit component which is arranged at the head part of the battery pack body with an electrode leading-out end and is electrically connected with the electrode of the battery pack body, a charge and discharge interface is arranged on the charge and discharge circuit component,

the casing, the group battery body reaches the encapsulation of charge-discharge circuit subassembly is in the casing still be provided with power source, power source with the charge-discharge circuit subassembly charge-discharge interface electricity is connected.

Optionally, the power interface protrudes from a side of the housing near a head end of the housing, and the power interface faces downward.

Optionally, first guiding portions are respectively disposed outside at least one vertical side surface of the housing.

Optionally, the first guiding portions are respectively disposed outside two opposite vertical side surfaces of the housing.

Optionally, at least one first locking portion is respectively disposed outside the vertical side surfaces of the housing.

Optionally, at least one first locking portion is respectively disposed on two opposite vertical side surfaces of the housing.

Optionally, the housing comprises: a bottom shell, a left side plate, a right side plate, a front panel, a rear panel and a head cover,

the left side board, the right side board, the front panel and the rear panel are connected to form a square shape and serve as the vertical side face of the shell, the bottom shell and the head cover are respectively arranged at the bottom and the top of the square shape to form a cavity for packaging the battery pack body and the charging and discharging circuit assembly.

Optionally, the front end and the rear end of the left side plate and the right side plate are respectively provided with a corner portion which is bent forwards and backwards, and each corner portion is respectively provided with a vertical groove;

the two vertical grooves respectively positioned at the front ends of the left side plate and the right side plate are opposite left and right, the left edge and the right edge of the front panel are respectively embedded in the two vertical grooves at the front ends of the left side plate and the right side plate,

the two vertical grooves respectively positioned at the rear ends of the left side plate and the right side plate are opposite left and right, and the left edge and the right edge of the rear panel are respectively embedded in the two vertical grooves at the rear ends of the left side plate and the right side plate.

Optionally, the bottom case includes: a base and a bracket, wherein the bracket is fixedly connected with the top of the base,

horizontal grooves are respectively arranged at the top of the front end and the rear end of the base, the bottoms of the front panel and the rear panel are respectively embedded in the two horizontal grooves which are opposite in the front and the rear of the base,

a horizontal concave platform or a horizontal groove is respectively arranged along the top of the left end and the right end of the base, the convex edge of the horizontal concave platform or the horizontal groove is positioned at the inner side of the horizontal concave platform or the horizontal groove, the left side plate and the right side plate are respectively positioned on the horizontal concave platform or the horizontal groove which is opposite to the left side and the right side of the base,

the front and rear frames of the bracket are respectively limited in the two horizontal grooves which are opposite to each other in the front and the rear of the base,

the left frame and the right frame of the support are respectively positioned on the horizontal concave platform or the horizontal groove which is opposite to the left and the right of the base.

Optionally, a horizontal groove is arranged at the bottom of the head cover, the tops of the left side plate and the right side plate are respectively embedded in the horizontal groove,

the head cover, the left side plate and the right side plate are fixedly connected.

Optionally, the head cover, the left side plate, the right side plate and the bottom cover are fastened and connected at the corners thereof by vertically penetrating bolts, respectively.

Optionally, a power control portion is disposed on a top surface of the head portion of the housing, and the power control portion is electrically connected to the charge and discharge circuit assembly.

Optionally, an electric quantity indicator lamp is arranged on the top surface of the head of the housing, and the electric quantity indicator lamp is electrically connected with the charging and discharging circuit assembly.

Optionally, a handle portion is further disposed on the top surface of the head portion of the housing.

Optionally, the housing is made of an aluminum plate.

Optionally, a heat dissipation rib is further disposed on the bottom surface of the housing.

Optionally, a silica gel foot pad is further disposed at the bottom of the bottom case.

In a second aspect, the embodiment of the present invention provides an unmanned aerial vehicle, include:

the unmanned aerial vehicle body is provided with a power supply chamber with an opening and a power supply interface at the bottom,

in any of the above lithium ion battery modules, a part or all of the lithium ion battery module is inserted into the power supply chamber,

the power interface outside the shell of the lithium ion battery module is opposite to the power interface on the unmanned aerial vehicle body, and can be connected in a plugging manner, so that the lithium ion battery module is used for supplying power to the unmanned aerial vehicle body.

Optionally, a first guiding part is respectively arranged outside at least one vertical side face of the shell,

a second guide part matched with the first guide part is arranged on the inner wall of the power supply chamber of the unmanned aerial vehicle body,

when the lithium ion battery module is inserted or pulled out, when the first guide part is matched with the second guide part, the power interface of the lithium ion battery module is opposite to the power interface on the unmanned aerial vehicle body.

Optionally, at least one first locking portion is respectively disposed outside the vertical side surfaces of the housing;

a second locking part matched with each first locking part is arranged on the vertical inner wall of the power supply chamber of the unmanned aerial vehicle body,

when the lithium ion battery module is inserted into the power supply cavity until a power supply interface on the lithium ion battery module is connected with a power supply connector of the unmanned aerial vehicle body and is completely inserted, the first locking part and the second locking part are locked.

Optionally, one of the first locking portion and the second locking portion that match with each other is a concave portion, and the other is a protrusion that can be embedded into the concave portion.

From top to bottom, adopt the embodiment of the utility model provides a technical scheme, the lithium ion battery module of this embodiment is inserted in the power cavity of unmanned aerial vehicle fuselage bottom, sets up power source outside lithium ion battery module's casing, when lithium ion battery module inserts to preset position, power source outside lithium ion battery module's the casing connects with power source on the unmanned aerial vehicle fuselage mutually and connects, and need not to reserve the wire outside the casing as the power connecting wire.

Compared with the prior art, the technical scheme of the embodiment has the following beneficial effects:

this embodiment lithium ion battery module adopts embedded mounting structure on the unmanned aerial vehicle fuselage, and the mounted position is confirmed, and does not have the reserved wire outside the casing, is favorable to guaranteeing the weight distribution uniformity of unmanned aerial vehicle's fuselage, improves unmanned aerial vehicle's fuselage equilibrium, improves unmanned aerial vehicle's flight stability. The power interface between lithium ion battery module and the unmanned aerial vehicle fuselage adopts the plug to be connected, can accomplish power interface in step and connect and insert when inserting lithium ion battery module, makes lithium ion battery module's installation and dismantlement more convenient, and the power connection is more reliable.

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, do not constitute an undue limitation on the invention.

Fig. 1 is a schematic perspective view of a lithium ion battery module according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of the lithium ion battery module shown in fig. 1 from another perspective;

fig. 3 is a schematic front view of the lithium ion battery module shown in fig. 1;

FIG. 4 is a schematic sectional view A-A of FIG. 3;

FIG. 5 is a schematic diagram of a side view of the lithium ion battery module shown in FIG. 1;

fig. 6 is a schematic bottom view of the lithium ion battery module shown in fig. 1;

FIG. 7 is an exploded view of the lithium ion battery module shown in FIG. 1;

fig. 8 is a schematic perspective view of side plates (left and right side plates) in the lithium ion battery module shown in fig. 1;

FIG. 9 is a front view of the side panel of FIG. 8;

FIG. 10 is a schematic sectional view A-A of FIG. 8.

Reference numerals:

11, a bottom shell; 12: a left side plate; 13: a right side plate; 14: a front panel;

15: a rear panel; 16: a head cover; 17: a first guide portion; 18: a first locking portion;

19: a vertical groove; 20: a horizontal groove; 21: a groove; 22: a raised edge;

23: a base; 24: a support; 25: a hole portion; 26: heat dissipation ribs;

27: a silica gel foot pad; 2: a power supply control unit; 3: an electric quantity indicating section; 4: a handle part;

5: and a power interface.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are used for explaining the present invention, but not for limiting the present invention.

Example 1

See fig. 1-10.

The embodiment provides a lithium ion battery module, which mainly comprises: group battery body, charge-discharge circuit subassembly and casing. The battery pack body comprises a plurality of battery monomers, and the battery monomers are mutually connected in series or in parallel or in combination of series connection and parallel connection to be electrically connected together to form an integral battery pack body and provide power supply for the outside. Wherein the series-parallel connection circuit can be, but is not limited to be, implemented using existing technologies.

The charging and discharging circuit assembly is arranged at the electrode leading-out end (marked as the head) of the battery pack body, is electrically connected with the electrodes of the battery pack body, is provided with a charging and discharging interface and is used for charging and discharging control in the charging and discharging processes of the battery pack body, and the circuit implementation structure can be realized by adopting the prior art but not limited thereto.

The battery pack body and the charging and discharging circuit assembly are all packaged in the shell, a power interface 5 is arranged outside the shell of the embodiment, and the power interface 5 is electrically connected with the charging and discharging interface of the charging and discharging circuit assembly in the shell so as to be connected with a power interface of external electric equipment in a plugging mode.

When being applied to unmanned aerial vehicle (the shape can be prior art's various forms with the lithium ion battery module of this embodiment, this patent not shown in the drawing), set up one in the bottom of unmanned aerial vehicle fuselage and have open-ended power cavity, still be provided with a power source in the bottom of unmanned aerial vehicle fuselage, this power source can set up in power cavity or locate by the opening of power cavity. The degree of depth of power cavity is according to the thickness of current unmanned aerial vehicle fuselage and the high design of current lithium ion battery module, can but not be limited to make lithium ion battery module's part or whole insert in the power cavity, when the thickness of unmanned aerial vehicle fuselage is enough and the degree of depth that makes the power cavity is enough to hold lithium ion battery module's whole when inserting, then set up power plug in the power cavity, otherwise can be but not limited to set up power source outside the power cavity, be located power cavity's opening next door, correspondingly, set up power source 5 on the lithium ion battery module outside the vertical side of casing, make when lithium ion battery module inserts to preset position, power source 5 outside the casing is just right with the power source of the bottom of unmanned aerial vehicle fuselage, just to connecing and realize the power connection, and need not the wire and connect.

As an illustration of the present embodiment, but not limited to, the power interface 5 of the lithium ion battery module may be disposed on a vertical side of the housing near the head of the housing (such as but not limited to, on a vertical side of the head cover 16 of the housing), so that the power interface 5 faces the bottom of the housing. During the assembly, just to the opening of the power cavity of unmanned aerial vehicle fuselage with lithium ion battery module's bottom towards the head backward, power source 5 on the perpendicular side of lithium ion battery module is relative with the orientation of the power source on the unmanned aerial vehicle fuselage, until advancing to the predetermined degree of depth, power source 5 and the power source in the power cavity of lithium ion battery module connect and insert completely, realized promptly that the power between the drive circuit of lithium ion battery module and unmanned aerial vehicle fuselage is connected, provide the power for the drive circuit on the unmanned aerial vehicle.

As an illustration of this embodiment, one of the two power interfaces on the unmanned aerial vehicle fuselage and the lithium ion battery module is a male plug, and the other is a female plug matched with the male plug. For example, when the power interface on the body of the unmanned aerial vehicle is a male plug, the power interface 5 on the shell of the lithium ion battery module is set as a female plug; on the contrary, when the power interface on the unmanned aerial vehicle fuselage is female, then set up power interface 5 on the casing of lithium ion battery module as public inserting.

From top to bottom, adopt the embodiment of the utility model provides a technical scheme, the lithium ion battery module of this embodiment is inserted in the power cavity of unmanned aerial vehicle fuselage bottom, sets up power source 5 outside lithium ion battery module's casing, when lithium ion battery module inserts to preset position, power source 5 outside lithium ion battery module's casing is inserted with the power source on the unmanned aerial vehicle fuselage and is connect mutually, and need not to reserve the wire outside the casing and regard as power connecting wire. Compared with the prior art, the technical scheme of the embodiment has the following beneficial effects:

As an illustration of the present embodiment, a power control unit 2 (for example, a discharge switch button) electrically connected to the charge/discharge circuit assembly is disposed on the top surface of the top of the housing of the lithium ion battery module in the present embodiment, so that when the lithium ion battery module is in an installed use state, the control of the lithium ion battery module, for example, but not limited to, on/off control for discharge output, and the like, can be realized through the power control unit 2 facing outward from the top surface of the lithium ion battery module, without pulling out the lithium ion battery module, thereby realizing online control of the lithium ion battery module.

As an indication of this embodiment, an electric quantity indicating part 3 (electric quantity indicator lamp or other device) electrically connected to the charge and discharge circuit assembly may be further disposed on the top of the casing of the lithium ion battery module, and is used for displaying the remaining electric quantity of the battery pack body in real time.

As the schematic of this embodiment, be provided with handle 4 at the top surface of the head of the lithium ion battery module's of this embodiment casing, after the power cavity of unmanned aerial vehicle fuselage was inserted to lithium ion battery module, this handle 4 outwards. When the disassembly is carried out, the user can rapidly disassemble the lithium ion battery module by pulling the handle part 4 outwards, and the operation is convenient and labor-saving.

As an illustration of the present embodiment, the housing of the lithium ion battery module of the present embodiment mainly comprises a bottom case 11, a left side board 12, a right side board 13, a front panel 14, a rear panel 15 and a head cover 16. The bottom shell 11 and the head cover 16 are opposite up and down, the vertical edges of the left side plate 12, the right side plate 13, the front panel 14 and the rear panel 15 are sequentially connected to form a square shell, the square shell serves as four vertical side faces of the shell, and the bottom shell 11 and the head cover 16 are respectively packaged at the bottom opening and the top opening of the square shell to form a cavity for packaging the battery pack body and the charging and discharging circuit assembly.

The bottom case 11, the left side plate 12, the right side plate 13, the front panel 14, the rear panel 15 and the head cover 16 of the present embodiment are preferably made of a light-weight material having a high heat dissipation coefficient, such as, but not limited to, an aluminum material.

The lithium ion battery module of the present embodiment is mounted as follows: the battery pack is characterized in that a battery pack body (not shown in the figures, and refer to the prior art) is installed on the top surface of the bottom case 11, then, a left side plate 12, a right side plate 13, a front panel 14 and a rear panel 15 are respectively installed on the bottom case 11, so that the left side plate, the right side plate, the front panel 14 and the rear panel are respectively attached to four sides of the battery pack body, then, a head cover 16 is installed and fixed on the top of the casing, and the battery pack body and a charging and discharging circuit assembly arranged at the head of the battery pack body are packaged in the casing. The bottom surface of the battery pack body of the embodiment is attached to the top surface of the bottom case 11, and the left side plate 12, the right side plate 13, the front panel 14 and the rear panel 15 are respectively attached to each vertical side surface of the battery pack body, so that a good contact conduction effect is improved, and a heat dissipation effect is improved.

As an illustration of the present embodiment, at least one guiding portion (referred to as a first guiding portion 17) is disposed outside any one vertical side surface of the housing of the lithium ion battery module of the present embodiment. Correspondingly, the inner wall of the power supply chamber is provided with guide portions (referred to as second guide portions) which are matched with the first guide portions 17 outside the housing of the lithium ion battery module. When the assembly, when inserting lithium ion battery module into the power cavity, the first guide part 17 outside the perpendicular side of casing corresponds respectively with the second guide part of the inner wall of power cavity, inject the direction of inserting lithium ion battery module, just right each other with two power source on ensureing lithium ion battery module, the unmanned aerial vehicle fuselage, the reliability of two power source looks grafting has been ensured, avoid leading to the power source loss owing to connect the position dislocation, improved the protection to power source.

As an illustration of the present embodiment, for example, but not limited to, an inwardly recessed groove may be provided as the first guide 17 on each of the left and right vertical sides of the housing of the lithium ion battery module, the groove extending from the bottom of the housing to the head by a predetermined length, the extending length being determined according to the insertion depth thereof into the power supply chamber. Correspondingly, the inner walls of the power supply chambers are respectively provided with a bulge (a convex point or a convex rib) which is matched with the groove outside the shell, and the width of the bulge is slightly narrower than that of the groove outside the shell of the lithium ion battery module. When inserting the power cavity, make the arch on the inner wall spacing respectively in the recess of the casing of lithium ion battery module, the recess slides along the arch, impels lithium ion battery module and can ensure that two power source on lithium ion battery module, the unmanned aerial vehicle fuselage are just right each other.

As an illustration of this embodiment, but not limited thereto, a protruding portion protruding outward may be further disposed on the housing of the lithium ion battery module as the first guiding portion 17, and correspondingly, a corresponding groove is disposed on the inner wall of the power supply cavity as the second guiding portion, so that the protrusion slides along the groove when being inserted, and in the same way, guiding of the insertion direction of the lithium ion battery module may be achieved, and it is ensured that the two power supply interfaces are directly inserted.

It should be noted that the first guide portion 17 located on the outer wall of the lithium ion battery module and the second guide portion located on the inner wall of the power supply chamber are not limited to the above implementation manner in which the protrusion is matched with the groove. For example, but not limited to, the outer side of the lithium ion battery module and the inner wall of the power supply chamber can be respectively provided with a convex rib, so that the two convex ribs are attached to each other during propulsion, the insertion direction of the lithium ion battery module is limited, and the two power supply interfaces are ensured to be just opposite to each other for insertion.

As an illustration of the present embodiment, but not limited to, the left side plate 12 and the right side plate 13 may be bent to form a protrusion or a groove as the first guide portion 17 on the left and right side surfaces of the housing, and this technical solution is beneficial to reducing the material cost and the weight of the lithium ion battery module.

As an indication of this embodiment, at least one locking portion (denoted as a first locking portion 18) may be further disposed on the outer surface of the left and right side plates 13 of the lithium ion battery module, and correspondingly, the first locking portion 18 corresponding to the first locking portion 18 is disposed on the inner wall of the power supply cavity of the unmanned aerial vehicle fuselage, and when the lithium ion battery module is pushed inward until the two power supply interfaces are completely connected and inserted, the first locking portion 18 on the lithium ion battery module and the second locking portion on the inner wall of the power supply cavity are locked by being buckled to each other. On the one hand, the battery pack can be pushed to be inserted into the in-place position for locking, and on the other hand, the first locking part 18 and the second locking part which are buckled mutually provide support for the gravity of the battery pack, so that the battery pack is hung at the bottom of the unmanned aerial vehicle body and is stably inserted into a power supply chamber to avoid falling.

As an illustration of the present embodiment, one of the first locking portion 18 and the second locking portion is a protrusion, and the other is a concave portion capable of receiving the protrusion to be fastened therein, so as to realize mutual positioning and fastening between two perpendicular surfaces, and provide positioning and gravity support for the position of the lithium ion battery module. In addition, but not limited to, each vertical side surface of the housing of the lithium ion battery module is respectively provided with a convex first locking part 18 and another concave first locking part 18, correspondingly, the vertical inner wall of the power supply chamber is provided with a concave second locking part and another convex second locking part, so that double locking buckles which are mutually buckled are respectively formed on each opposite vertical side surface.

As an illustration of the present embodiment, but not limited to, the front and rear ends of the left and

right side plates

12, 13 are respectively provided with a corner portion bent back and forth, and the front and rear opposite corner portions are respectively provided with a groove (referred to as a vertical groove 19) extending in the vertical direction. After the left side plate 12 and the right side plate 13 are respectively installed on the top of the bottom shell 11, the vertical grooves 19 respectively arranged at the front ends of the left side plate 12 and the right side plate 13 are opposite left and right, the vertical grooves 19 arranged at the rear ends of the left side plate 12 and the right side plate 13 are also opposite left and right, the front panel 14 is inserted into the two opposite left and right vertical grooves 19 at the front ends, the rear panel 15 is inserted into the two opposite left and right vertical grooves 19 at the rear ends, and the left edges and the right edges of the front panel 14 and the rear panel 15 are respectively embedded into the two opposite vertical grooves 19 of the left side plate 12 and the right side plate 13 until the bottom ends of the front panel 14 and the rear panel 15 reach the top position of the bottom shell 11. The front 14 and rear 15 panels are secured by the opposing vertical grooves 19 of the left and right side panels 13 without additional securing connections. In addition, by adopting the technical scheme of the embodiment, the contact area between the front panel 14 and the rear panel 15 and the contact area between the front panel 14 and the rear panel 15 are increased, the heat conduction effect is improved, and the improvement of the heat dissipation effect of the lithium ion battery module is facilitated.

As an illustration of the present embodiment, the present embodiment provides a structure of a bottom case 11, wherein the bottom case 11 includes a base 23 and a bracket 24, wherein the base 23 and the bracket 24 are made of a material with good thermal conductivity, such as, but not limited to, aluminum.

As an illustration of the present embodiment, a horizontally extending groove (referred to as a horizontal groove 20) is respectively provided on the top surface of the front end and the rear end of the base 23, the two horizontal grooves 20 are opposite to each other in the front-rear direction, and when the front panel 14 and the rear panel 15 are assembled, the bottoms of the front panel 14 and the rear panel 15 are respectively inserted into the horizontal grooves 20 opposite to each other in the front-rear direction on the top of the base 23, so that the left and right edges and the bottom edges of the front panel 14 and the rear panel 15 are firmly fixed in the horizontal grooves 20, and the front panel 14 and the rear panel 15 are fixed in position.

As an illustration of the present embodiment, concave platforms (or grooves, see the grooves 21 in the figure) having shapes matching with the shapes of the bottoms of the left side plate 12 and the right side plate 13 are further respectively disposed on the top of the left and right edges of the base 23, and a convex edge 22 higher than the concave platforms (or grooves) is disposed on the inner side of the concave platforms (or grooves). When the device is installed, the bottoms of the left side plate 12 and the right side plate 13 are respectively fixed on left and right opposite concave tables (or grooves) on the base 23, then a bracket 24 with an empty center is further sleeved outside a square shell formed by enclosing the left side plate 12, the right side plate 13, the front panel 14 and the rear panel 15, the bracket 24 is sleeved downwards on the top of the base 23, the front and rear opposite frames of the bracket 24 are respectively limited in the front and rear opposite grooves of the base 23 together with the front panel 14 and the rear panel 15, the left and right opposite frames of the bracket 24 are respectively positioned on the left and right opposite concave tables (or grooves) on the top of the base 23, the left side plate 12 is limited between the left frame and the convex edge 22 of the bracket 24, and the right side plate 13 is limited between the right frame and the convex edge 22 of the bracket 24.

As an illustration of the present embodiment, but not limited to, the wall thickness of the corner portion of the left side plate 12 and the right side plate 13 may be designed to be thicker than the wall thickness of the other positions of the left side plate 12 and the right side plate 13, so as to improve the structural rigidity and the structural strength of the housing; on the other hand, the corner portions of the left and

right side plates

12 and 13 may be provided with holes 25 that penetrate vertically, and the head cover 16, the bracket 24, and the bottom case 11 may be firmly locked together by bolts at the respective corner portions, that is, the case of the lithium ion battery module may be fastened.

As an illustration of the present embodiment, a heat dissipation rib 26 may be further disposed on the bottom surface of the housing of the lithium ion battery module to increase the heat dissipation area of the surface of the housing and improve the heat dissipation effect of the housing.

In addition, can also further set up silica gel callus on the sole 27 in the bottom of drain pan 11, on the one hand as the elasticity callus on the sole when lithium ion battery module places alone, be favorable to the protection to lithium ion battery module, on the other hand, when inserting the power cavity on the unmanned aerial vehicle fuselage, the silica gel callus on the sole 27 of four corners ensures that drain pan 11 keeps certain space with the power cavity, is favorable to exerting better heat dissipation effect.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. A lithium ion battery module, comprising:

2. The lithium ion battery module of claim 1,

the power interface is protruded on the side face of the shell and close to the end part of the head of the shell, and the power interface faces downwards.

3. The lithium ion battery module of claim 1,

and first guide parts are respectively arranged outside at least one vertical side surface of the shell.

4. The lithium ion battery module of claim 3,

the first guide parts are respectively arranged outside two opposite vertical side surfaces of the shell.

5. The lithium ion battery module of claim 1,

at least one first locking part is arranged outside the vertical side surface of the shell.

6. The lithium ion battery module of claim 5,

at least one first locking part is respectively arranged on two opposite vertical side surfaces of the shell.

7. The lithium ion battery module of claim 1,

the housing includes: a bottom shell, a left side plate, a right side plate, a front panel, a rear panel and a head cover,

8. The lithium ion battery module of claim 7,

the front end part and the rear end part of the left side plate and the right side plate are respectively provided with a corner part which is bent forwards and backwards, and each corner part is respectively provided with a vertical groove;

9. The lithium ion battery module of claim 8,

the bottom case includes: a base and a bracket, wherein the bracket is fixedly connected with the top of the base,

10. The lithium ion battery module of claim 9,

the bottom of the head cover is provided with a horizontal groove, the tops of the left side plate and the right side plate are respectively embedded in the horizontal groove,

11. The lithium ion battery module of claim 10,

and the corners of the head cover, the left side plate, the right side plate and the bottom cover are respectively fastened and connected through vertically penetrating bolts.

12. The lithium ion battery module of claim 1,

and a power supply control part is arranged on the top surface of the head part of the shell and is electrically connected with the charging and discharging circuit assembly.

13. The lithium ion battery module of claim 1,

the top surface of the head of the shell is provided with an electric quantity indicator lamp, and the electric quantity indicator lamp is electrically connected with the charging and discharging circuit assembly.

14. The lithium ion battery module of claim 1,

the top surface of the head part of the shell is also provided with a handle part.

15. The lithium ion battery module of claim 1,

the shell is made of aluminum plates.

16. The lithium ion battery module of claim 1,

the bottom surface of the shell is also provided with heat dissipation ribs.

17. The lithium ion battery module of claim 7,

the bottom of the bottom shell is also provided with a silica gel foot pad.

18. An unmanned aerial vehicle, characterized by includes:

the lithium ion battery module of any of claims 1-17, a portion or all of the lithium ion battery module being inserted within the power supply chamber,

19. The unmanned aerial vehicle of claim 18,

first guide parts are respectively arranged outside at least one vertical side surface of the shell,

20. The unmanned aerial vehicle of claim 18,

at least one first locking part is arranged outside the vertical side surface of the shell respectively;

21. The drone of claim 20,

one of the first locking part and the second locking part which are matched with each other is a concave position, and the other one is a bulge which can be embedded into the concave position.