CN213459928U

CN213459928U - Battery module and vehicle with same

Info

Publication number: CN213459928U
Application number: CN202020922472.3U
Authority: CN
Inventors: 甄旭彬; 李利锁; 李鹏程
Original assignee: Ninebot Beijing Technology Co Ltd
Current assignee: Ninebot Beijing Technology Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2021-06-15
Anticipated expiration: 2029-07-26
Also published as: CN213583990U; CN210926077U; CN212725505U

Abstract

The utility model provides a battery module and have its vehicle, battery module includes: a protective shell having a receiving cavity; a battery disposed within the receiving cavity; the control system assembly is arranged in the accommodating cavity, is connected with the battery and is positioned above the battery; wherein, battery and control system subassembly are fixed in holding the intracavity through encapsulating technology. Through the technical scheme provided by the utility model, can solve the complicated technical problem of assembly of battery and the control system subassembly among the prior art.

Description

Battery module and vehicle with same

The application is a division of patent applications which are filed in 2019, month 07 and day 26 to the intellectual property office of the China, the application number is 201921193095.8, and the name of the patent applications is 'battery module and vehicle with the battery module'.

Technical Field

The utility model relates to an electric motor car technical field particularly, relates to a battery module and have its vehicle.

Background

At present, in the technical field of balance cars, a plurality of batteries and battery shells are generally sealed and waterproof in an integral glue sealing mode.

However, the battery module and the main control system in the prior art generally adopt a separately arranged arrangement mode, the battery module and the main control system are connected through a wire harness, so that the risk of poor waterproof effect and poor contact can exist, and two sets of protective shells are needed to respectively protect the battery module and the main control system, so that the device is high in cost and complex in assembly.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a battery module and a vehicle having the same to solve the technical problem of complex assembly of the battery and the control system assembly in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a battery module including: a protective shell having a receiving cavity; a battery disposed within the receiving cavity; the control system assembly is arranged in the accommodating cavity, is connected with the battery and is positioned above the battery; wherein, battery and control system subassembly are fixed in holding the intracavity through encapsulating technology.

Furthermore, be provided with the constant head tank on the protecting crust, the appearance looks adaptation of constant head tank and battery, the battery setting is in the constant head tank to fix a position the battery through the constant head tank.

Furthermore, a supporting table is arranged on the protective shell, the supporting table is positioned at the end part of the positioning groove, and the supporting table is positioned above the positioning groove; the control system assembly is arranged on the support table so as to support the control system assembly through the support table.

Furthermore, a wiring hole is formed in the supporting table, a wiring portion is arranged in the wiring hole, one end of the wiring portion is used for being connected with a wiring end of the control system assembly, and the other end of the wiring portion is used for being connected with the to-be-connected piece, so that a wire of the to-be-connected piece is connected with the control system assembly through the wiring portion.

Furthermore, the wiring part comprises a conductive piece, the conductive piece is arranged on the wiring hole, and a connecting hole is formed in one end, far away from the control system assembly, of the conductive piece, so that a wire of the to-be-connected piece is connected with the conductive piece through the connecting hole.

Furthermore, the battery module also comprises a detection piece, the detection piece is arranged in the accommodating cavity and is connected with the control system assembly, so that the detection piece transmits the detected rotation signal of the rotating shaft to the control system assembly.

Furthermore, the protective shell comprises a main shell body and a first shell body, the first shell body protrudes out of the side wall of the main shell body to form a first accommodating groove, and the detection piece is arranged in the first accommodating groove.

Further, the battery is a plurality of, and battery module still includes: the fixed bolster, the fixed bolster has a plurality of battery container parts, and a plurality of battery container parts set up with a plurality of batteries one-to-one, and each battery container part sets up in corresponding battery container part to fix a plurality of batteries through the fixed bolster.

Further, the battery is a plurality of, and battery module still includes: the first bracket is provided with a plurality of first accommodating holes which are arranged at intervals; the second support is provided with a plurality of second accommodating holes which are arranged at intervals, the plurality of second accommodating holes are arranged opposite to the plurality of first accommodating holes, and each battery is fixed through the corresponding first accommodating hole and the corresponding second accommodating hole; the connecting piece is worn to establish on first support and second support to connect first support and second support through the connecting piece.

Further, the control system assembly comprises a control main board and a battery management system, and the battery management system is arranged on the control main board.

Further, the battery module further includes a heat sink disposed on the control system component to dissipate heat of the control system component through the heat sink.

According to the utility model discloses an on the other hand provides a vehicle, and the vehicle includes battery module and automobile body, and battery module sets up on the automobile body, and battery module is the above-mentioned battery module who provides.

Use the technical scheme of the utility model, because battery and control system subassembly pass through the encapsulating technology to be fixed and hold the intracavity, like this, can adopt whole glue sealing mode to carry out waterproof sealing to battery, control system subassembly and protecting crust, need not set up independent battery portion and main control portion, also need not connect battery portion and main control portion through the connecting wire, therefore be convenient for assemble and connect. Therefore, through the utility model provides a technical scheme can solve the complicated technical problem of assembly of battery and control system subassembly among the prior art.

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 illustrates an exploded view of a battery module according to an embodiment of the present invention;

fig. 2 shows a top view of a battery module according to an embodiment of the present invention;

fig. 3 illustrates a front view of a battery module according to an embodiment of the present invention;

fig. 4 illustrates a rear view of a battery module provided in accordance with an embodiment of the present invention;

fig. 5 shows a left side view of a battery module according to an embodiment of the present invention;

fig. 6 shows a right side view of a battery module according to an embodiment of the present invention;

fig. 7 illustrates a bottom view of a battery module according to an embodiment of the present invention; and

fig. 8 shows a cross-sectional view of a battery module according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a protective shell; 11. positioning a groove; 12. a support table; 13. a main housing; 14. a first housing; 15. a second housing; 16. a charging port; 17. a wiring port; 20. a battery; 30. a control system component; 40. a wiring portion; 41. connecting holes; 50. a detection member; 61. a first bracket; 62. a second bracket; 70. a heat sink; 80. an MOS tube; 91. a first connecting column; 92. a second connecting column; 100. a nickel sheet; 110. and (3) colloid.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 8, a first embodiment of the present invention provides a battery module, including: a protective housing 10, a battery 20 and a control system assembly 30. The protective case 10 has a receiving cavity in which the battery 20 is disposed. The control system assembly 30 is disposed in the receiving cavity, the control system assembly 30 is connected with the battery 20, and the control system assembly 30 is located above the battery 20. Wherein the battery 20 and the control system assembly 30 are fixed in the accommodating cavity by a glue filling process. Specifically, the battery module in the present embodiment is mainly disposed on the vehicle body of the vehicle, and the control system assembly 30 is configured to be connected to the motor of the vehicle, so as to control the movement of the motor of the vehicle through the control system assembly 30. In the present embodiment, the protective shell 10 is made of a plastic material.

Adopt the battery module that this embodiment provided, because battery 20 and control system subassembly 30 pass through the encapsulating technology to be fixed and hold the intracavity, like this, can adopt whole glue sealing mode to carry out waterproof sealing to battery 20, control system subassembly 30 and protecting crust 10, need not set up independent battery portion and main control part, also need not connect battery portion and main control part through the connecting wire, more need not consider the mode that sets up of connecting wire, therefore be convenient for assemble and connect. Therefore, through the battery module that this embodiment provided, can simplify the assembly, reduce cost has improved sealed effect, has reduced the risk of contact failure when the connecting wire is connected.

In this embodiment, a positioning groove 11 is disposed on the protective shell 10, the positioning groove 11 is adapted to the shape of the battery 20, and the battery 20 is disposed in the positioning groove 11 to position the battery 20 through the positioning groove 11. Specifically, the positioning groove 11 is an arc-shaped groove, and the battery 20 is arranged in the arc-shaped groove.

Specifically, the protective shell 10 in this embodiment is further provided with lightening slots, the lightening slots and the positioning slots 11 are oppositely arranged on two sides of the protective shell, the positioning slots 11 are located inside the accommodating cavity, and the lightening slots are located outside the accommodating cavity, so that the weight of the protective shell 10 is lightened through the lightening slots. Simultaneously, subtract the heavy groove and can also reduce the encapsulating volume through setting up, when guaranteeing the encapsulating integration, reduced the unnecessary encapsulating. Specifically, the weight-reducing grooves in this embodiment are arc-shaped grooves.

In this embodiment, a support table 12 is disposed on the protective shell 10, the support table 12 is located at the end of the positioning groove, and the support table 12 is located above the positioning groove 11. Specifically, the supporting table 12 in this embodiment includes a first supporting portion and a second supporting portion, the first supporting portion and the second supporting portion are disposed at an interval, and the first supporting portion and the second supporting portion are disposed at two ends of the positioning groove 11 relatively. The control system assembly 30 is disposed on the support table 12 to support the control system assembly 30 via the support table 12. Specifically, the support base 12 is located above the positioning groove 11, so that the control system component 30 is located above the battery 20.

Specifically, the supporting platform 12 in this embodiment is provided with a wiring hole, a wiring portion 40 is disposed in the wiring hole, one end of the wiring portion 40 is used for connecting with a wiring terminal of the control system assembly 30, and the other end of the wiring portion 40 is used for connecting with a to-be-connected component, so that a wire of the to-be-connected component is connected with the control system assembly 30 through the wiring portion 40. Specifically, the wiring portion 40 is soldered to a terminal on the control system assembly 30, and in the present embodiment, a connection wire on the motor of the vehicle may be connected to the control system assembly 30 through the wiring portion 40 to control the movement of the motor through the control system assembly 30.

In the present embodiment, the wire connection portion 40 includes a conductive member disposed on the wire connection hole, and a connection hole 41 is disposed at an end of the conductive member away from the control system assembly 30, so that the wire to be connected is connected to the conductive member through the connection hole 41. The conductive member in this embodiment is welded to the terminal of the control system assembly 30, and a connection wire on the motor of the vehicle may be inserted into the connection hole 41 to electrically connect the motor and the control system assembly 30 through the connection wire to control the movement of the motor through the control system assembly 30.

Specifically, the battery module in this embodiment further includes a detection member 50, and the detection member 50 is disposed in the accommodation cavity. The detecting member 50 is connected to the control system assembly 30 such that the detecting member 50 transmits the detected rotation signal of the rotation shaft to the control system assembly 30. Specifically, the detecting element 50 in this embodiment is used for detecting a rotation signal of a rotating shaft of a vehicle, the vehicle is mainly a two-wheeled electric balance car, the two-wheeled electric car further comprises a leg control lever, the leg control lever is used for controlling the operation of a motor, the leg control lever is connected with the rotating shaft, the leg control lever drives the rotating shaft to rotate, the detecting element 50 detects the rotation of the rotating shaft and then transmits the signal to the control system assembly 30, and the control system assembly 30 controls the operation of the motor according to the signal detected by the detecting element 50.

In this embodiment, the protective shell 10 includes a main housing 13 and a first housing 14, the first housing 14 protrudes from a sidewall of the main housing 13 to form a first receiving slot, and the detecting element 50 is disposed in the first receiving slot. By adopting the arrangement, the detection piece 50 can be conveniently fixed, so that certain damage to the detection piece 50 in the glue pouring process is avoided. Specifically, in order to facilitate detection of the rotation of the rotating shaft, the wall thickness of the casing of the detection head facing the detection member 50 in the present embodiment is smaller than that of the main casing 13, so as to improve the detection accuracy. Specifically, the detecting element 50 in this embodiment may be a hall sensor, a magnetic element is disposed on the rotating shaft, and a detecting head of the hall sensor is disposed toward the magnetic element to detect the rotation condition of the rotating shaft through the hall sensor.

In this embodiment, the protective shell 10 further includes a second housing 15, the second housing 15 is disposed at two ends of the main housing 13 opposite to the first housing 14, the second housing 15 protrudes out of the side wall of the main housing 13 to form a second receiving groove, and the second receiving groove is used for placing a capacitor. A charging port 16 and a connection port 17 are also provided on the shield case 10 to charge the battery 20 through the charging port 16 to be connected to various components of a horn, a lamp body, etc. of the vehicle through the connection port 17.

In this embodiment, the battery 20 is a plurality of, and the holding tank is also a plurality of, and a plurality of holding tank intervals set up, and a plurality of holding tanks and a plurality of batteries 20 one-to-one set up, and each battery 20 sets up in corresponding holding tank. The battery module in this embodiment further includes a fixing bracket having a plurality of battery receiving portions, the plurality of battery receiving portions and the plurality of batteries 20 being disposed in one-to-one correspondence, and each battery receiving portion being disposed in a corresponding battery receiving portion so as to fix the plurality of batteries 20 by the fixing bracket. With this arrangement, it is possible to facilitate the connection and fixation of the plurality of cells 20 so as to form a battery pack. In this embodiment, a plurality of cells 20 are point-connected by a nickel plate 100, the nickel plate 100 is put into the protective case 10, the nickel plate 100 is fixed to the protective case 10 by screws, and then the control system assembly 30 is put into the protective case 10. And then, welding the total positive nickel sheet, the total negative nickel sheet and the battery sampling nickel sheet of the battery pack, and finally pouring sealant into the protective shell 10 for sealing until the colloid 110 just overflows the MOS tube 80 on the control system component 30.

Specifically, the number of the batteries 20 in the present embodiment is plural, and the battery module further includes a first bracket 61, a second bracket 62, and a connecting member. The first bracket 61 has a plurality of first receiving holes arranged at intervals. The second bracket 62 has a plurality of second receiving holes arranged at intervals, the plurality of second receiving holes being arranged opposite to the plurality of first receiving holes, and each battery 20 is fixed through the corresponding first receiving hole and the corresponding second receiving hole. The connecting members are inserted through the first bracket 61 and the second bracket 62 to connect the first bracket 61 and the second bracket 62 by the connecting members. Specifically, be provided with first spliced pole 91 on the first support 61, be provided with second spliced pole 92 on the second support 62, first spliced pole 91 sets up with second spliced pole 92 relatively, at least part of first spliced pole 91 is inserted and is established in second spliced pole 92, the connecting piece is worn to establish on first spliced pole 91 and second spliced pole 92, in order to connect first spliced pole 91 and second spliced pole 92 through the spliced pole, in order to fix a plurality of batteries 20. Specifically, the battery 20 in this embodiment is a 18650 electrical core. Specifically, a positioning protrusion is arranged on the first connecting column 91, a positioning groove is arranged on the second connecting column 92, and the positioning protrusion is clamped in the positioning groove for positioning.

Specifically, the control system assembly 30 in the present embodiment includes a control main board and a Battery Management System (BMS), and the battery management system is disposed on the control main board (also referred to as a main control board). By adopting the arrangement, connecting wires connected between the battery management system and the control main board can be reduced, so that the whole structure is more compact.

In the present embodiment, the battery module further includes a heat sink 70, and the heat sink 70 is provided on the control system component 30 to dissipate heat of the control system component 30 through the heat sink 70. Specifically, the heat sink 70 in this embodiment is disposed on the MOS tube 80, and the heat sink 70 may be an aluminum plate to better dissipate heat on the MOS tube 80.

The embodiment two provides a vehicle, and the vehicle includes battery module and automobile body, and battery module sets up on the automobile body, and battery module is the battery module that embodiment one provided.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the battery module is formed by sealing devices such as a battery cell, a BMS (battery management system), a main control panel and a Hall sensor in a protective shell through a glue pouring process, and the battery module is installed in a vehicle (the vehicle can be a balance car) as an integral module. The battery module that this embodiment provided can simplify the connection of balance car battery 20, two major systems of main control board, reduces the use of connecting wire, and the sealed water-proof effects of reinforcing reduces the product defective rate, reduces battery 20 because of meeting the risk of water short circuit blasting of catching fire, reduces the injury to electric core when the automobile body shakes, improves battery module's security.

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. A battery module, comprising:

a protective housing having a receiving cavity and a charging port;

a battery disposed within the receiving cavity;

the control system assembly is arranged in the accommodating cavity and is connected with the battery;

wherein the charging port is used for charging the battery.

2. The battery module of claim 1, wherein the battery and the control system assembly are secured within the receiving cavity by a potting process.

3. The battery module of claim 1, wherein the control system assembly is positioned above the battery.

4. The battery module as claimed in claim 1, wherein the protective case has a positioning groove, the positioning groove is adapted to the shape of the battery, the battery is disposed in the positioning groove, and the positioning groove positions the battery.

5. The battery module according to claim 4, wherein a support platform is disposed on the protective case, the support platform is located at an end of the positioning groove, and the support platform is located above the positioning groove; the control system assembly is arranged on the support table, and the support table supports the control system assembly.

6. The battery module according to claim 5, wherein the support platform is provided with a wiring hole, a wiring portion is provided in the wiring hole, one end of the wiring portion is used for connecting with a wiring end of the control system component, the other end of the wiring portion is used for connecting with a to-be-connected component, and a wire of the to-be-connected component is connected with the control system component through the wiring portion.

7. The battery module as claimed in claim 6, wherein the wire connection part includes a conductive member provided on the wire connection hole, a connection hole is provided at an end of the conductive member remote from the control system assembly, and the wire to be connected is connected to the conductive member through the connection hole.

8. The battery module according to claim 1, wherein the protective case comprises a main housing and a second housing, the second housing protrudes from a sidewall of the main housing, the second housing defines a second receiving groove, and the second receiving groove is used for receiving a capacitor.

9. The battery module according to claim 1, wherein the battery is a plurality of batteries, the battery module further comprising:

the fixed bolster, the fixed bolster has a plurality of battery container portions, and is a plurality of battery container portion sets up with a plurality of the battery one-to-one, each the battery sets up correspondingly in the battery container portion, the fixed bolster is a plurality of the battery is fixed.

10. The battery module according to claim 1, wherein the battery is a plurality of batteries, the battery module further comprising:

the first bracket is provided with a plurality of first accommodating holes which are arranged at intervals;

the second bracket is provided with a plurality of second accommodating holes which are arranged at intervals, the second accommodating holes are arranged opposite to the first accommodating holes, and each battery is fixed through the corresponding first accommodating hole and the corresponding second accommodating hole;

the connecting piece, the connecting piece wear to establish first support with on the second support, the connecting piece will first support with the second support is connected.

11. The battery module of claim 1, wherein the control system assembly comprises a control motherboard and a battery management system disposed on the control motherboard.

12. The battery module of claim 1, further comprising a heat sink disposed on the control system component, the heat sink dissipating heat from the control system component.

13. A vehicle characterized by comprising a battery module and a vehicle body, the battery module being provided on the vehicle body, the battery module being the battery module according to any one of claims 1 to 12.