CN211654920U - Battery module - Google Patents

Abstract

The utility model discloses a battery module, include: bracket component, a plurality of column battery, a plurality of battery connection piece, PCBA board and temperature monitoring unit, the bracket component includes upper bracket and lower carriage that the lock is in the same place, the upper bracket includes: two first curb plates and connect two first holding district of first curb plate, first holding district corresponds the columnar cell is formed with a plurality of first accommodation spaces, first accommodation space top is equipped with first limit structure, the lower carriage includes: the second containing area corresponds to the first containing space and is provided with a second containing space, and a second limiting structure is arranged at the bottom of the second containing space. The utility model has the advantages that the upper bracket and the lower bracket are mounted by buckling through the split bracket assembly, so that the mounting is more convenient; compact structure and better heat dissipation capability.

Description

Battery module

Technical Field

The utility model relates to a battery module technical field especially relates to a battery module.

Background

Along with the development of science and technology and the rise of people's demand, more and more electric equipment (such as electric scooter, electronic rocking car etc.) begins the vigorous development, and the battery module is a very important part in the electric equipment, but has some battery modules at present, and its form of support is monolithic, and is heavier to need pack into the back with the battery from the one end of support during the installation and encapsulate, install more troublesome.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a battery module.

The technical scheme of the utility model as follows: the utility model provides a battery module, include: bracket component, a plurality of column battery, a plurality of battery connection piece, PCBA board and temperature monitoring unit, the bracket component includes upper bracket and lower carriage that the lock is in the same place, the upper bracket includes: two first curb plates and connect two first holding district of first curb plate, first holding district corresponds the columnar cell is formed with a plurality of first accommodation spaces, first accommodation space top is equipped with first limit structure, the lower carriage includes: the temperature monitoring device comprises two second side plates and a second containing area which is connected with the two second side plates, wherein a second containing space is formed in the second containing area corresponding to the first containing space, a second limiting structure is arranged at the bottom of the second containing space, a containing cavity of the columnar battery is formed in the first containing space and the second containing space, first mounting columns are respectively formed at two ends and the middle part of the first containing area, second mounting columns are formed in the second containing area corresponding to the first mounting columns, clamping columns and columnar groove bodies which are matched with each other are formed at the end parts of the first mounting columns and the end parts of the second mounting columns, battery connecting sheets are respectively arranged at the top part of the upper bracket and the bottom part of the lower bracket, the temperature monitoring unit is arranged close to the columnar battery, the PCBA is arranged on the bracket assembly and comprises a charge and discharge management module, and the temperature monitoring unit is electrically connected with the PCBA, the columnar battery is electrically connected with the PCBA board through the battery connecting piece.

Furthermore, the battery connecting sheet is respectively corresponding to the first limiting structure and the second limiting structure for clearance.

Further, an installation groove is formed in the end portion, close to the second side plate, of the first side plate, an installation protrusion is formed on the second side plate corresponding to the installation groove, and when the upper support and the lower support are installed together, the installation protrusion is embedded into the installation groove.

Furthermore, the first accommodation area and the second accommodation area are close to the side wall of one end of the PCBA board and are higher than the side wall of the other end of the PCBA board, the first accommodation area and the second accommodation area are close to the middle part of the side wall of the PCBA board and are respectively provided with a positioning baffle, and the PCBA board is arranged in the positioning baffle.

Further, the minimum distance between the outer walls of two adjacent cylindrical batteries is greater than or equal to 0.65 mm.

Further, the columnar cells are arranged in an array.

Further, the columnar battery is 18650.

Furthermore, a first ventilation opening is formed in one end, far away from the PCBA board, of the front face of the battery module, and a second ventilation opening is formed in the back face of the battery module.

Further, the temperature monitoring unit is a thermistor.

Further, mounting screw holes are formed in the two sides of the upper support and the lower support.

By adopting the scheme, the utility model has the advantages that the upper bracket and the lower bracket are mounted by buckling through the split bracket assembly, so that the mounting is convenient, and the condition that the battery is poured out due to inclination in the battery placing process of the integral bracket can be prevented; the mounting columns are arranged at the two ends and the middle part, so that the stress is more uniform, and the whole battery module is more stable; compact structure and better heat dissipation capability.

Drawings

Fig. 1 is a schematic structural diagram of a battery module according to the present invention.

Fig. 2 is a schematic structural diagram of a battery module according to the present invention.

Fig. 3 is an exploded view of the battery module according to the present invention.

Fig. 4 is a schematic structural view of the bracket assembly of the present invention.

Fig. 5 is a schematic structural diagram of the upper bracket of the present invention.

Fig. 6 is a schematic structural view of the lower bracket of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to fig. 6, in the present embodiment, the present invention provides a battery module, including: bracket component, a plurality of column battery 3, a plurality of battery connection piece 4, PCBA board 5 and temperature monitoring unit 6, the bracket component includes upper bracket 1 and lower carriage 2 that the lock is in the same place, upper bracket 1 includes: two first curb plates 11 and connect two first holding district 12 of first curb plate 11, first holding district 12 corresponds cylindrical battery 3 is formed with a plurality of first accommodation space 13, first accommodation space 13 top is equipped with first limit structure 14, lower carriage 2 includes: two second curb plates 21 and connect two the second accommodation region 22 of second curb plate 21, second accommodation region 22 corresponds first accommodation space 13 is formed with second accommodation space 23, second accommodation space 23 bottom is equipped with second limit structure 24, first accommodation space 12 and second accommodation space 23 form the holding chamber of column battery 3, the both ends and the middle part of first accommodation region 12 are formed with first erection column respectively, second accommodation region 22 corresponds first erection column 15 is formed with second erection column 25, the tip of first erection column 15 and the tip of second erection column 25 are formed with mutually supported card post and column cell body (not marked), thereby the embedding of card post the assembly is realized to the column cell body. And, a mounting groove 16 is formed at the end of the first side plate 11 close to the second side plate 21, a mounting protrusion 26 is formed on the second side plate 21 corresponding to the mounting groove 16, when the upper bracket 1 and the lower bracket 2 are mounted together, the mounting protrusion 26 is embedded into the mounting groove 16, so that the assembly is better and more firm. The both sides of upper bracket 1 and lower carriage 2 all are formed with installation screw hole 10, can conveniently will through the mode of screw-up the battery module is fixed on the mounting structure of product. Battery connection piece 4 is located respectively 1 top of upper bracket and 2 bottoms of lower carriage, temperature monitoring unit 6 is close to the column battery sets up, PCBA board 5 is located on the bracket component, PCBA board 5 includes charge-discharge management module, and can be right the charge-discharge of column battery 3 manages, temperature monitoring unit 6 with 5 electric connection of PCBA board, column battery 3 pass through battery connection piece 4 with 5 electric connection of PCBA board. The battery connecting piece 4 may be a metal piece such as a nickel piece. The battery connecting sheet 4 is respectively corresponding to the first limiting structure 14 and the second limiting structure 24 for clearance, so that the size of the battery module can be reduced. The temperature monitoring unit 6 can select a thermistor, can monitor the heating condition of the battery and avoid danger.

With reference to fig. 1 to 6, in the present embodiment, 18650 batteries may be selected as the columnar batteries 3, the columnar batteries 3 are arranged in an array, and the distance between the columnar batteries 3 may be controlled by setting the distance between the first accommodating spaces 13, in the present embodiment, the minimum distance between the outer walls of two adjacent columnar batteries 3 is 0.65 mm, which not only has the ability of ventilation and heat dissipation between batteries, but also makes the structure relatively compact, and is helpful for reducing the volume of the battery module. The front of battery module is kept away from the one end of PCBA board 5 is formed with first vent 8, battery module back forms second vent 9, second vent 9 covers all column batteries 3, both can reduce the weight of bracket component and battery module, also helps the ventilation heat dissipation of large tracts of land, reduces the heat gathering of battery charge-discharge in-process. First holding district 12 and second holding district 22 are close to the lateral wall that highly is higher than the other end of the lateral wall of PCBA board 5 one end, first holding district 12 and second holding district 22 are close to PCBA board 5's lateral wall middle part all is formed with positioning baffle 7, PCBA board 5 is located in the positioning baffle 7, make the structure of battery module is compacter, helps reducing the volume and the weight of final product.

In summary, the utility model adopts the split type bracket assembly, the upper bracket and the lower bracket are mounted by buckling, so that the mounting is convenient, and the condition that the battery is poured out due to inclination in the battery placing process of the integral bracket can be prevented; the mounting columns are arranged at the two ends and the middle part, so that the stress is more uniform, and the whole battery module is more stable; compact structure and better heat dissipation capability.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A battery module, comprising: bracket component, a plurality of column battery, a plurality of battery connection piece, PCBA board and temperature monitoring unit, the bracket component includes upper bracket and lower carriage that the lock is in the same place, the upper bracket includes: two first curb plates and connect two first holding district of first curb plate, first holding district corresponds the columnar cell is formed with a plurality of first accommodation spaces, first accommodation space top is equipped with first limit structure, the lower carriage includes: the temperature monitoring device comprises two second side plates and a second containing area which is connected with the two second side plates, wherein a second containing space is formed in the second containing area corresponding to the first containing space, a second limiting structure is arranged at the bottom of the second containing space, a containing cavity of the columnar battery is formed in the first containing space and the second containing space, first mounting columns are respectively formed at two ends and the middle part of the first containing area, second mounting columns are formed in the second containing area corresponding to the first mounting columns, clamping columns and columnar groove bodies which are matched with each other are formed at the end parts of the first mounting columns and the end parts of the second mounting columns, battery connecting sheets are respectively arranged at the top part of the upper bracket and the bottom part of the lower bracket, the temperature monitoring unit is arranged close to the columnar battery, the PCBA is arranged on the bracket assembly and comprises a charge and discharge management module, and the temperature monitoring unit is electrically connected with the PCBA, the columnar battery is electrically connected with the PCBA board through the battery connecting piece.

2. The battery module according to claim 1, wherein the battery connecting pieces are spaced from the first limiting structure and the second limiting structure respectively.

3. The battery module according to claim 1, wherein an end of the first side plate adjacent to the second side plate is formed with a mounting groove, and the second side plate is formed with a mounting protrusion corresponding to the mounting groove, and the mounting protrusion is fitted into the mounting groove when the upper and lower brackets are mounted together.

4. The battery module according to claim 3, wherein the side walls of the first and second receiving areas near one end of the PCBA are higher than the side walls of the other end of the PCBA, and positioning baffles are formed in the middle parts of the side walls of the first and second receiving areas near the PCBA, and the PCBA is arranged in the positioning baffles.

5. The battery module according to claim 1, wherein the minimum distance between the outer walls of two adjacent cylindrical batteries is greater than or equal to 0.65 mm.

6. The battery module according to claim 1 or 5, wherein the columnar cells are arranged in an array.

7. The battery module of claim 6, wherein the cylindrical battery model is 18650 batteries.

8. The battery module according to claim 3, wherein a first ventilation opening is formed at one end of the front surface of the battery module, which is far away from the PCBA board, and a second ventilation opening is formed at the back surface of the battery module.

9. The battery module according to claim 1, wherein the temperature monitoring unit is a thermistor.

10. The battery module according to claim 1, wherein mounting screw holes are formed at both sides of the upper and lower brackets.

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