CN210668519U

CN210668519U - Battery module and unmanned aerial vehicle

Info

Publication number: CN210668519U
Application number: CN201921823462.8U
Authority: CN
Inventors: 陆柱立; 罗云聪; 张艳梅
Original assignee: Guangzhou Xaircraft Technology Co Ltd
Current assignee: Guangzhou Xaircraft Technology Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-02
Anticipated expiration: 2029-10-28

Abstract

The utility model provides a battery module and unmanned aerial vehicle, this battery module includes: an electric core; the protection plate is electrically connected with the battery cell through a connector; and the sealing layers are arranged between the end part of the battery cell and the protection board and on the surface of the protection board far away from the battery cell. Through the technical scheme that this application provided, can solve the poor problem of battery module protective effect among the prior art.

Description

Battery module and unmanned aerial vehicle

Technical Field

The utility model relates to a battery technology field particularly, relates to a battery module and unmanned aerial vehicle.

Background

At present, agricultural unmanned aerial vehicle's application is more and more extensive, and agricultural unmanned aerial vehicle adopts battery module to supply power usually. Wherein, when agricultural unmanned aerial vehicle is in to spout the medicine or is in other operation environment, the battery module easily receives the influence of foreign matters such as pesticide, water, dust and mixture, and the battery module easily takes place to damage.

In prior art, the battery module includes electric core and protection shield, is connected with a large amount of signal lines between electric core and the protection shield, and these signal lines are easily corroded by the pesticide, have the risk that signal line short circuit and battery were on fire. Therefore, the problem that the protection effect of the battery module is poor exists in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery module and unmanned aerial vehicle to solve the poor problem of battery module protective effect among the prior art.

According to the utility model discloses an aspect provides a battery module, and battery module includes: an electric core; the protection plate is electrically connected with the battery cell through a connector; and the sealing layers are arranged between the end part of the battery cell and the protection board and on the surface of the protection board far away from the battery cell.

Further, the battery module still includes utmost point ear board, and the one end of electricity core has utmost point ear, and utmost point ear is connected with utmost point ear board, and the connector is located between protection shield and the utmost point ear board, and the one end and the utmost point ear board of connector are connected, and the other end and the protection shield of connector are connected.

Further, sealing layers are arranged between the end portion of the battery cell and the tab plate, between the tab plate and the protection plate and on the surface of the protection plate far away from the battery cell.

Further, be provided with the module on the protection shield and connect, the battery module passes through the module and connects and be connected with consumer.

Further, the module joint includes positive electrode joint, negative electrode joint and communication joint.

Further, the sealing layer comprises a sealing glue, and the sealing glue is wrapped on the battery core and the protection plate through a glue pouring process.

Further, the battery module includes a plurality of electric cores, a plurality of electric core series connection, and every electric core all is connected with the protection shield.

Further, battery module still includes the casing, and electricity core, utmost point ear board, connector and protection shield set up in order in the casing from inside to outside, and the tip of protection shield and casing has the interval.

Further, the sealing layer on the surface of the protection plate far away from the battery core is flush with the end of the shell.

According to the utility model discloses an on the other hand provides an unmanned aerial vehicle, unmanned aerial vehicle includes the battery module that the aforesaid provided.

Use the technical scheme of the utility model, this battery module includes electric core, protection shield and sealing layer. The protection board is electrically connected with the battery core through the connector, a large number of signal lines between the battery core and the protection board can be cancelled, the signal lines are prevented from being damaged, and the protection effect of the battery module can be improved. And, all be provided with the sealing layer between the tip of electric core and the protection shield and the surface of keeping away from electric core of protection shield, can utilize the sealing layer to seal the battery module, avoid the foreign matter to get into the battery module to can further promote the protecting effect of battery module.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;

fig. 2 shows the schematic diagram after the glue filling of the battery module provided by the embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. an electric core; 11. a tab; 20. a protection plate; 30. a connector; 40. a sealing layer; 50. a polar lug plate; 60. a module joint; 61. a positive electrode tab; 62. a negative terminal; 63. a communication connector; 70. a housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a battery module, which includes an electric core 10, a protection plate 20 and a sealing layer 40, and the protection plate 20 is electrically connected to the electric core 10 through a connector 30, so that a large number of signal lines between the electric core 10 and the protection plate 20 can be eliminated, the reliability of connection between the electric core 10 and the protection plate 20 is enhanced, and a short circuit of the signal lines can be avoided, thereby ensuring normal power supply of the battery module. In order to further promote the protective effect of the battery module, a sealing layer 40 is disposed between the end of the battery cell 10 and the protection plate 20 and on the surface of the protection plate 20 away from the battery cell 10, and the sealing layer 40 can block external foreign matters from entering the battery module. The sealing layer 40 includes, but is not limited to, a sealing ring and a sealant.

With the battery module provided by this embodiment, the protective plate 20 is electrically connected to the battery cell 10 by using the connector 30, a large number of signal lines between the battery cell 10 and the protective plate 20 can be eliminated, and the battery module can be sealed by using the sealing layer 40 by providing the sealing layer 40 between the end of the battery cell 10 and the protective plate 20 and on the surface of the protective plate 20 away from the battery cell 10. Adopt above-mentioned structure, when cancelling a large amount of signal lines between electric core 10 and protection shield 20, utilize sealing layer 40 to seal the battery module, can realize the dual protection to the battery module, can promote the safeguard effect of battery module.

In this embodiment, the battery module further includes a tab plate 50, one end of the battery cell 10 has a tab 11, and the tab 11 is connected to the tab plate 50. Specifically, the connector 30 is located between the protection plate 20 and the tab plate 50, and one end of the connector 30 is connected to the tab plate 50, and the other end of the connector 30 is connected to the protection plate 20, so that the electrical connection between the battery cell 10 and the protection plate 20 can be realized. Wherein, the battery module includes a plurality of electric cores 10, all is provided with utmost point ear 11 on every electric core 10, and utmost point ear plate 50 is connected through the welded mode to utmost point ear 11.

In order to further improve the protection effect of the battery module, sealing layers 40 are disposed between the end of the battery cell 10 and the tab plate 50, between the tab plate 50 and the protection plate 20, and on the surface of the protection plate 20 away from the battery cell 10. In the present embodiment, the tab 11 of the battery cell 10 is inserted into the tab plate 50, and the end of the battery cell 10 is spaced from the tab plate 50, and the sealing layer 40 is disposed in the space between the battery cell 10 and the tab plate 50. The tab plate 50 is spaced apart from the protection plate 20, and the sealing layer 40 is disposed between the tab plate 50 and the protection plate 20. Further, by providing the sealing layer 40 on the surface of the protective plate 20 away from the battery cell 10, it is possible to prevent foreign matter from entering the battery module through a gap between the protective plate 20 and another member.

Wherein, be provided with module joint 60 on the protection shield 20, the battery module can be connected with consumer through module joint 60 to can utilize battery module to supply power to consumer.

Specifically, the module connector 60 includes a positive connector 61, a negative connector 62, and a communication connector 63. The positive electrode tab 61 is connected to the positive electrode of the electric device, the negative electrode tab 62 is connected to the negative electrode of the electric device, and the communication tab 63 is connected to the communication port of the electric device. In the present embodiment, only three joints of the positive electrode joint 61, the negative electrode joint 62 and the communication joint 63 of the battery module are exposed out of the sealing layer 40, so that the number of exposed joints of the battery module can be greatly reduced, and foreign matters are prevented from entering the battery module from the joints.

Specifically, the positive electrode tab 61 of the battery module is the battery output positive electrode, is the high-voltage end of the battery, and can be connected to the positive electrode of the unmanned aerial vehicle or the charger with the positive electrode tab 61, and the negative electrode tab 62 of the battery module is the battery output negative electrode, and can be connected to the negative electrode of the unmanned aerial vehicle or the charger with the negative electrode tab 62. Wherein, communication joint 63 is any one communication mode, including serial communication, CAN communication, SPI communication etc. CAN be connected to the communication interface of unmanned aerial vehicle or charger with communication joint 63. The communication joint is used for interaction of an unmanned aerial vehicle or a charger, and interaction of battery information (including but not limited to cell voltage information, cell temperature information and current information) and control information (including but not limited to overvoltage control, undervoltage control, over-temperature control and balance control) is included, so that safe discharging and charging of a battery module can be guaranteed.

Through parts encapsulating such as electric core 10, utmost point ear board 50, protection shield 20 and module joint 60, get up the sealed protection of electric connection part in the battery module, can prevent that foreign matter such as pesticide from corroding, even the battery module bubble water carelessly, the encapsulating also can protect the battery module.

In this embodiment, the sealing layer 40 includes a sealant, and the sealant is wrapped on the battery cell 10 and the protection plate 20 through a potting process, which has the advantages of convenience in processing and good sealing performance.

In this embodiment, the battery module includes a plurality of battery cells 10, and the plurality of battery cells 10 are connected in series. By connecting each of the battery cells 10 with the protective plate 20, the operating state of each of the battery cells 10 can be detected using the protective plate 20, so that the battery cells 10 each operate in a normal state. Specifically, the battery module includes two connectors 30, and two connectors 30 interval sets up between protection board 20 and utmost point ear board 50, and every connector 30 all is connected with a plurality of electric cores 10, and electric core 10 accessible connector 30 transmits voltage, electric current isoparametric for the protection board to make voltage, electric current isoparametric of every electric core 10 all be in normal operating range. Adopt above-mentioned structure, to establish ties on end to end and middle electric core 10 is connected to protection shield 20 through connector 30, protection shield 20 just can detect each section electric core 10's state like this, carries out signal acquisition and control to electric core 10, and when battery module state was all normal, positive terminal 61 and negative terminal 62 exported and supply power for unmanned aerial vehicle.

Specifically, the battery module further includes a housing 70, the battery cell 10, the pole ear plate 50, the connector 30 and the protection plate 20 are sequentially disposed in the housing 70 from inside to outside, and the housing 70 can be used to protect components in the battery module, so that the protection effect of the battery module can be further improved. Also, the protective plate 20 is spaced apart from the end of the case 70, so that the battery module is sealed by the sealing layer 40, and the case 70 may fix the sealing layer 40.

In this embodiment, the sealing layer 40 on the surface of the protection plate 20 away from the battery cell 10 is flush with the end of the casing 70, so that the integrity of the battery module can be improved, and the sealing layer 40 is prevented from blocking other components.

Wherein, there is the encapsulating seam between utmost point ear board 50 and protection shield 20 and the casing 70, when carrying out the encapsulating to the battery module, sealed glue can get into in the battery module along the encapsulating seam. By adopting the structure, glue filling holes do not need to be formed in the tab plate 50 and the protection plate 20 independently, so that the protection effect can be improved while the structural strength of the device is ensured.

The utility model discloses still another embodiment provides an unmanned aerial vehicle, this unmanned aerial vehicle includes the battery module that the aforesaid provided. Wherein, unmanned aerial vehicle includes agricultural unmanned aerial vehicle. Because the battery module has cancelled a large amount of signal lines to all set up sealing layer 40 on electric core 10 and protection shield 20, when unmanned aerial vehicle was in when spouting medicine or other operation environment, the battery module can not take place the short circuit, the scheduling problem of catching fire, can guarantee that the battery module normally supplies power.

Specifically, the unmanned aerial vehicle comprises a motor power system, a flight control system, a power supply system and other different systems. In agricultural industry uses, unmanned aerial vehicle can carry out the automatic operation of sprinkling pesticide.

Through the device that this embodiment provided, pass through connector 30 with electric core 10 and protection shield 20 and connect, can greatly simplify the internal wiring of battery module, carry out the encapsulating at

utmost point ear

11 and 20 parts of protection shield, only expose the positive negative pole and the communication of battery module and connect, utilize the encapsulating can be waterproof dustproof, effectively prevent that pesticide, water, dust or its mixture from corroding the circuit and the protection shield of battery module, can prolong the battery module life-span, ensure unmanned aerial vehicle's safe flight.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 present invention.

Claims

1. The utility model provides a battery module which characterized in that, battery module includes:

an electric core (10);

a protective plate (20), wherein the protective plate (20) is electrically connected with the battery cell (10) through a connector (30);

and the sealing layer (40) is arranged between the end part of the battery cell (10) and the protection plate (20) and on the surface of the protection plate (20) far away from the battery cell (10).

2. The battery module according to claim 1, further comprising a pole ear plate (50), wherein one end of the battery core (10) is provided with a pole ear (11), the pole ear plate (50) is connected with the pole ear plate (11), the connector (30) is located between the protection plate (20) and the pole ear plate (50), one end of the connector (30) is connected with the pole ear plate (50), and the other end of the connector (30) is connected with the protection plate (20).

3. The battery module according to claim 2, wherein the sealing layer (40) is disposed between the end of the battery cell (10) and the pole lug plate (50), between the pole lug plate (50) and the protective plate (20), and on the surface of the protective plate (20) away from the battery cell (10).

4. The battery module according to claim 1, wherein the protective plate (20) is provided with a module connector (60), and the battery module is connected to a consumer through the module connector (60).

5. The battery module according to claim 4, wherein the module connector (60) comprises a positive connector (61), a negative connector (62), and a communication connector (63).

6. The battery module according to claim 1, wherein the sealing layer (40) comprises a sealing glue, and the sealing glue is wrapped on the battery core (10) and the protective plate (20) through a glue filling process.

7. The battery module according to claim 1, characterized in that the battery module comprises a plurality of the battery cells (10), a plurality of the battery cells (10) being connected in series, each battery cell (10) being connected with the protective plate (20).

8. The battery module according to claim 2, further comprising a housing (70), wherein the battery cell (10), the tab (50), the connector (30), and the protection plate (20) are sequentially disposed inside the housing (70) from inside to outside, and the protection plate (20) is spaced apart from an end of the housing (70).

9. The battery module according to claim 8, wherein the sealing layer (40) on the surface of the protective plate (20) remote from the battery cell (10) is flush with the end of the housing (70).

10. An unmanned aerial vehicle, comprising the battery module of any of claims 1-9.