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CN-224217506-U - Portable large-size battery module and pressurizing device thereof

CN224217506UCN 224217506 UCN224217506 UCN 224217506UCN-224217506-U

Abstract

The utility model discloses a portable large-size battery module and a pressurizing device thereof, wherein the battery module comprises a positive electrode shell, a sealing ring, a positive electrode plate, an electrolyte membrane, a negative electrode plate and a negative electrode shell which are sequentially distributed from bottom to top, wherein the positive electrode shell and the negative electrode shell are respectively and tightly attached to the sealing ring, the positive electrode plate, the electrolyte membrane and the negative electrode plate are sequentially and tightly stacked in a containing groove formed by surrounding the positive electrode shell, the negative electrode shell and the sealing ring. The pressurizing device comprises an upper cover, a lower cover or a positioning seat and a pressing block, wherein the upper cover can be pressed downwards relative to the lower cover, and the pressing block can be pressed downwards towards the positioning seat so as to pressurize the battery module. The utility model adopts a brand new battery module and a pressurizing device, and fills the gap of the market for the high-capacity, high-reliability and integrated miniature power supply.

Inventors

  • YANG TAO
  • SUN YAQI
  • CUI YIN
  • CHEN ZHAOHAN
  • LIN XIDONG

Assignees

  • 深圳市诺特锂能科技有限公司

Dates

Publication Date
20260508
Application Date
20250416

Claims (10)

  1. 1. The utility model provides a portable jumbo size battery module, its characterized in that includes by supreme positive pole shell (110), sealing washer (120), positive pole piece (130), electrolyte membrane (140), negative pole piece (150) and negative pole shell (160) that distribute in proper order down, positive pole shell (110) with negative pole shell (160) all seal laminating sealing washer (120), positive pole piece (130 electrolyte membrane (140) with negative pole piece (150) closely fold in proper order in by positive pole shell (110) negative pole shell (160) with in the storage tank that sealing washer (120) enclose and close.
  2. 2. The portable large-sized battery module according to claim 1, further comprising a spring plate (170) and a gasket (180), wherein the spring plate (170), the gasket (180), the positive electrode sheet (130), the electrolyte membrane (140) and the negative electrode sheet (150) are sequentially and tightly stacked in the accommodating groove.
  3. 3. The portable large-sized battery module according to claim 2, wherein the end surface of the elastic sheet (170) has a wave shape.
  4. 4. The portable large-sized battery module according to any one of claims 1 to 3, wherein the positive electrode case (110) is provided with a first annular sealing groove (111), the negative electrode case (160) is provided with a second annular sealing groove, and the sealing ring (120) is in sealing connection and is elastically connected in the first annular sealing groove (111) and the second annular sealing groove.
  5. 5. A pressurizing device for press-fitting the portable large-sized battery module (100) according to any one of claims 1 to 4, comprising an upper cover (200) and a lower cover (300), the upper cover (200) and the lower cover (300) being capable of positioning an upper portion and a lower portion of the battery module (100), respectively, and the upper cover (200) being capable of being pressed down against the lower cover (300) to pressurize the battery module (100).
  6. 6. The pressurizing device according to claim 5, wherein the upper cover (200) is provided with an upper positioning groove, the lower cover (300) is provided with a lower positioning groove (310), and the upper positioning groove and the lower positioning groove (310) are respectively used for positioning and sleeving the upper part and the lower part of the battery module (100).
  7. 7. The pressurizing device according to claim 5 or 6, wherein the upper cover (200) is screwed to the lower cover (300), and the battery module (100) can be pressurized when the upper cover (200) and the lower cover (300) are screwed to each other.
  8. 8. The pressurizing device according to claim 5 or 6, wherein a first screw connector (400) is provided between the upper cover (200) and the lower cover (300), a nut (500) is connected to the tail of the first screw connector (400), and when the nut (500) is screwed, the upper cover (200) and the lower cover (300) can be pressed against each other to pressurize the battery module (100).
  9. 9. A pressurizing device for press-fitting a portable large-sized battery module (100) according to any one of claims 1 to 4, the pressurizing device comprising a positioning seat (600) and a press block (700), the battery module (100) being positioned between the positioning seat (600) and the press block (700), the press block (700) being capable of being pressed down toward the positioning seat (600) to pressurize the battery module (100).
  10. 10. The pressurizing device according to claim 9, further comprising a second threaded connector (800), wherein a positioning hole (610) is formed in the positioning seat (600), the pressing block (700) is provided with a positioning column (710), the positioning column (710) is positioned and inserted into the positioning hole (610), the second threaded connector (800) is threaded through the pressing block (700) and is connected to the positioning seat (600) in a threaded manner, and when the second threaded connector (800) is screwed into the positioning seat (600), the pressing block (700) can be driven to be pressed downwards towards the positioning seat (600) so as to pressurize the battery module (100).

Description

Portable large-size battery module and pressurizing device thereof Technical Field The utility model relates to the technical field of batteries, in particular to a portable large-size battery module and a pressurizing device thereof. Background With the rapid development of the technology level, special equipment has put an urgent need for high-capacity batteries. On the one hand, in high-energy consumption equipment such as industrial sensors and micro unmanned aerial vehicles, a scheme that a plurality of small batteries are connected in series is generally adopted to meet the electric quantity demand, but the power module volume and the counterweight can be increased by the scheme. On the other hand, in the battery press-fitting process, the conventional tablet press is only suitable for press-fitting of small-diameter batteries, requires special tablet press equipment for large-size batteries, and is difficult to ensure uniformity and safety of the press-fitting process. Disclosure of utility model In order to overcome the defects of the prior art, the utility model aims to provide a portable large-size battery module which can meet the urgent requirements of special equipment on a high-capacity battery, improve the convenience of assembly and ensure the performance of the battery module. In order to solve the problems, the portable large-size battery module comprises a positive electrode shell, a sealing ring, a positive electrode plate, an electrolyte membrane, a negative electrode plate and a negative electrode shell which are sequentially distributed from bottom to top, wherein the positive electrode shell and the negative electrode shell are respectively and hermetically attached to the sealing ring, and the positive electrode plate, the electrolyte membrane and the negative electrode plate are sequentially and tightly stacked in a containing groove formed by encircling the positive electrode shell, the negative electrode shell and the sealing ring. Compared with the prior art, the battery module has the beneficial effects that the positive plate, the electrolyte membrane and the negative plate are sequentially and tightly stacked in the accommodating groove formed by enclosing the positive plate shell, the negative plate shell and the sealing ring, a large-size battery module can be obtained after press mounting, the stacked electrode design and the full-circumference sealing structure are adopted, the battery structure of a plurality of small batteries connected in series can be directly replaced, the volume and the counterweight of the battery module of high-energy consumption equipment such as an industrial sensor, a micro unmanned aerial vehicle and the like are obviously simplified, the urgent requirement of special equipment on the high-capacity battery is met, and the battery module can be directly pressed and assembled to form through stacking of a large-size contact area, is not limited by the traditional tablet press and the traditional multi-station hydraulic equipment, the convenience of assembly can be improved, the close fitting of each layer structure inside the battery module can be easily ensured, and the performance of the battery module is ensured. The portable large-size battery module further comprises an elastic sheet and a gasket, wherein the elastic sheet, the gasket, the positive plate, the electrolyte membrane and the negative plate are sequentially and tightly stacked in the accommodating groove. The portable large-size battery module is characterized in that the end face of the elastic sheet is wavy. The portable large-size battery module is characterized in that the positive electrode shell is provided with the first annular sealing groove, the negative electrode shell is provided with the second annular sealing groove, and the sealing ring is in sealing connection and elastic connection with the first annular sealing groove and the second annular sealing groove. The utility model also provides a pressurizing device for press-fitting the portable large-size battery module, which comprises an upper cover and a lower cover, wherein the upper cover and the lower cover can respectively position the upper part and the lower part of the battery module, and the upper cover can be pressed down relative to the lower cover so as to pressurize the battery module. According to the pressurizing device, the upper cover is provided with the upper positioning groove, the lower cover is provided with the lower positioning groove, and the upper positioning groove and the lower positioning groove are respectively used for positioning and sleeving the upper part and the lower part of the battery module. According to the pressurizing device, the upper cover is screwed with the lower cover, and when the upper cover and the lower cover are mutually screwed close to each other, the battery module can be pressurized. The pressurizing device comprises an upper cover, a lower cover, a first thr