CN207233805U - A modular battery pack - Google Patents

Abstract

The utility model relates to the technical field of batteries, and in particular to a modular battery pack, which includes a bottom shell, a plurality of battery modules are installed in the bottom shell, a positioning ring body for positioning and installing the battery module is also provided on the bottom shell, and a fixing bar for fixing the battery module is installed on the positioning ring body; adjacent battery modules are electrically connected through jumper pieces. The utility model has a simple structure and a reasonable design, and can easily realize the splicing and installation of multiple battery modules. At the same time, its installation and fixing stability are good, and the reliability is strong. It can be spliced into battery packs of different capacities through jumper pieces, and it is highly practical.

Description

A modular battery pack

technical field

The utility model relates to the technical field of batteries, in particular to a modularized battery pack.

Background technique

Traditional high-current battery packs are formed by a combination of several batteries, but the assembly of traditional high-current battery packs is complicated, and the assembly of multiple batteries is difficult. Due to poor assembly fixation, it has poor stability and complex structure. .

Utility model content

The utility model provides a modularized battery pack aiming at the problems of the prior art, which has a simple structure and a reasonable design, and can easily realize splicing and installation of multiple battery modules, and at the same time, has good stability and reliability in installation and fixing.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A modularized battery pack provided by the utility model includes a bottom case in which several battery modules are installed, and a positioning ring for positioning and installing the battery modules is also arranged on the bottom case. Fixing strips for fixing the battery modules are installed on the positioning ring body; the adjacent battery modules are electrically connected through jumper pieces.

Wherein, the positioning ring body is provided with a first connection hole, and the fixing bar is provided with a second connection hole, and the first connection hole and the second connection hole are correspondingly provided.

Wherein, the battery module includes several battery cells arranged in an array, a copper-nickel composite sheet for connecting the several battery cells, and a fixing bracket for fixing the several battery cells.

Wherein, the fixing bracket includes several fixing bodies for fixing a single battery core, and adjacent fixing bodies are spliced with each other.

Wherein, the fixed body is provided with a splicing protrusion, and the fixed body is also provided with a splicing groove for engaging with the splicing protrusion.

Wherein, a panel is installed on the bottom case, and handles are respectively installed at both ends of the panel.

Wherein, an upper cover for closing the bottom case is also included, and the upper cover is fixedly connected with the bottom case.

Wherein, several cooling holes are also provided on both sides of the bottom case.

Wherein, the fixing strip is U-shaped.

Wherein, a control circuit board, a control button, an indicator light and a display screen are installed on the panel, and the control circuit board is electrically connected with the control button, the indicator light, the display screen and the battery module respectively.

The beneficial effects of the utility model:

The utility model provides a modularized battery pack. Several battery modules are installed in the bottom shell, and several battery modules are positioned and installed through the positioning ring body, and then the battery modules are fixed by fixing strips to prevent The battery module is loose to ensure its reliability and safety; the connection between multiple battery modules is realized through the jumper, which is convenient to assemble and use. At the same time, multiple battery modules are spliced through the jumper, and multiple batteries The modules are connected separately, and compared with a single large battery, it can play the role of shock absorption; the utility model has a simple structure and a reasonable design, and can easily realize the splicing and installation of multiple battery modules, and at the same time, its installation and fixing stability are good. Strong reliability, through the jumper can be spliced into battery packs of different capacities, strong practicability.

Description of drawings

FIG. 1 is a schematic structural diagram of a modularized battery pack of the present invention.

Fig. 2 is a schematic diagram of the structure of the cooperation of the battery module, the positioning ring body and the fixing strip of the present invention.

Fig. 3 is an exploded view of the structure of the battery module, the positioning ring body and the fixing strip of the present invention.

FIG. 4 is an exploded view of the structure of the battery module of the present invention.

Fig. 5 is a schematic structural view of the fixed body of the present invention.

Reference numerals in FIGS. 1 to 5 include:

1—bottom case 2—battery module 3—positioning ring body

4—fixing bar 5—jumper piece 6—the first connecting hole

7—the second connection hole 8—battery core 9—copper-nickel composite sheet

10—fixed bracket 11—fixed body 12—splicing bump

13—splicing groove 14—panel 15—handle

16—top cover 17—cooling hole 18—display screen

19—Control button 20—Indicator light.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not limitations of the utility model. Below in conjunction with accompanying drawing, the utility model is described in detail.

As shown in Figures 1-5, a modular battery pack described in this embodiment includes a bottom case 1, and several battery modules 2 are installed in the bottom case 1, and a useful The positioning ring body 3 of the battery module 2 is positioned and installed, and the fixing bar 4 for fixing the battery module 2 is installed on the positioning ring body 3 ; the adjacent battery modules 2 are electrically connected through the jumper 5 . Specifically, install several battery modules 2 into the bottom case 1, position and install several battery modules 2 through the positioning ring body 3, and then fix the battery modules 2 through the fixing strip 4 to prevent the battery modules 2 from Loose to ensure its reliability and safety; the connection between multiple battery modules 2 is realized through the jumper 5, which is convenient to assemble and use. At the same time, multiple battery modules 2 are spliced through the jumper 5. The battery modules 2 are connected separately, and compared with a single large battery, it can play the role of shock absorption; the utility model has a simple structure and a reasonable design, and can easily realize the splicing and installation of multiple battery modules 2, and at the same time, its installation and fixing are stable Good performance and high reliability, through the jumper 5 can be spliced into battery packs of different capacities, strong practicability.

In the modularized battery pack described in this embodiment, the positioning ring body 3 is provided with a first connection hole 6, the fixing bar 4 is provided with a second connection hole 7, and the first connection hole 6 and The second connection holes 7 are correspondingly provided. Specifically, the fixing bar 4 and the positioning ring body 3 are fixed through the first connecting hole 6 and the second connecting hole 7 through fixing members such as bolts and screws, so that the battery module 2 is fixed under the action of the fixing bar 4 , the battery module 2 has good stability.

A modular battery pack described in this embodiment, the battery module 2 includes a number of battery cells 8 arranged in an array, a copper-nickel composite sheet 9 for connecting several battery cells 8 and a A fixing bracket 10 for fixing several electric cores 8 . Specifically, the copper-nickel composite sheet 9 has high strength and large overcurrent, and is suitable for assembling battery packs and large-scale battery packs, meeting the requirements of high voltage and high current; the batteries arranged in an array are fixed by the fixing bracket 10, and its stability is high , good fixing effect and high safety in use.

In the modularized battery pack described in this embodiment, the fixing bracket 10 includes several fixing bodies 11 for fixing a single battery cell 8 , and adjacent fixing bodies 11 are spliced with each other. Specifically, the fixing bracket 10 is formed by splicing and assembling adjacent fixing bodies 11 .

In the modular battery pack described in this embodiment, the fixing body 11 is provided with splicing protrusions 12 , and the fixing body 11 is also provided with splicing grooves 13 for engaging with the splicing protrusions 12 . Specifically, the splicing between adjacent fixing bodies 11 is realized by engaging the splicing protrusion 12 with the splicing groove 13 to form the fixing bracket 10 .

In the modularized battery pack described in this embodiment, a panel 14 is installed on the bottom case 1 , and handles 15 are respectively installed at both ends of the panel 14 . Specifically, the handle 15 is convenient for the operator to carry the battery pack and is easy to use.

The modularized battery pack described in this embodiment further includes an upper cover 16 for closing the bottom case 1 , and the upper cover 16 is fixedly connected with the bottom case 1 . Specifically, the bottom case 1 is closed by the upper cover 16 to protect the battery module 2 in the bottom case 1 .

In the modularized battery pack described in this embodiment, several cooling holes 17 are provided on both sides of the bottom case 1 . Specifically, the battery module 2 in the bottom case 1 can dissipate heat through the heat dissipation holes 17 , and the heat dissipation holes 17 are provided on both sides of the bottom case 1 to facilitate air circulation and heat dissipation.

In the modularized battery pack described in this embodiment, the fixing bar 4 is U-shaped. Specifically, the U-shaped fixing bar 4 has higher fixing effect and stability than the linear fixing bar 4 , and can better fix the battery module 2 .

In the modularized battery pack described in this embodiment, a control circuit board (not shown in the figure), a control button 19, an indicator light 20 and a display screen 18 are installed on the panel 14, and the control circuit board is respectively It is electrically connected with the control button 19, the indicator light 20, the display screen 18, and the battery module 2. Specifically, the control button 19 can control the switch of the battery pack, the indicator light 20 can display the working status of the battery pack, and the display screen 18 can display the power of the battery pack.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as above with the preferred embodiment, it is not used to limit the utility model. Anyone who is familiar with the utility model Professional technicians, without departing from the scope of the technical solution of the present utility model, should use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but if they do not depart from the technical solution of the present utility model, the The utility model technology refers to any simple modification, equivalent change and modification made to the above embodiments, which all belong to the scope of the utility model technical solution.

Claims (10)

1. A modularized battery pack, characterized in that: it includes a bottom case, a plurality of battery modules are installed in the bottom case, and a positioning ring for positioning and installing the battery modules is also arranged on the bottom case , the fixing strips for fixing the battery modules are installed on the positioning ring body; the adjacent battery modules are electrically connected through jumper pieces. 2. A modular battery pack according to claim 1, characterized in that: said positioning ring body is provided with a first connection hole, said fixing bar is provided with a second connection hole, said first connection The holes and the second connecting holes are set correspondingly. 3. A modular battery pack according to claim 1, characterized in that: the battery module includes several battery cells arranged in an array, and a copper-nickel composite sheet for connecting several battery cells And a fixing bracket for fixing several batteries. 4. A modular battery pack according to claim 3, wherein the fixing bracket includes several fixing bodies for fixing a single battery cell, and adjacent fixing bodies are spliced together. 5. A modular battery pack according to claim 4, characterized in that: said fixed body is provided with a splicing protrusion, and said fixed body is also provided with a splicing concave for engaging with the splicing protrusion. groove. 6 . The modularized battery pack according to claim 1 , wherein a panel is installed on the bottom case, and handles are installed at both ends of the panel. 6 . 7. The modularized battery pack according to claim 1, further comprising an upper cover for closing the bottom case, and the upper cover is fixedly connected with the bottom case. 8. The modularized battery pack according to claim 1, wherein a plurality of cooling holes are provided on both sides of the bottom case. 9. A modular battery pack according to claim 1, wherein the fixing bar is U-shaped. 10. A modular battery pack according to claim 6, wherein a control circuit board, control buttons, indicator lights and a display screen are also installed on the panel, and the control circuit board is connected with the control buttons respectively. , indicator light, display screen, and battery module are electrically connected.