CN220774628U - BMS and DCDC integrated large-voltage large-current battery pack - Google Patents

Abstract

The utility model relates to a BMS and DCDC integrated large-voltage large-current battery pack, which belongs to the technical field of battery packs and comprises a shell, a battery pack, a module assembly and an upper cover plate, wherein the battery pack is arranged in the shell, the upper cover plate covers the shell, the module assembly is positioned between the battery pack and the upper cover plate, the module assembly comprises a BMS module and a DCDC module, mounting grooves are formed in two side walls of the shell and comprise oppositely arranged clamping grooves and screw grooves, a plurality of through holes are formed in the screw grooves, strip-shaped openings are formed in the clamping grooves, a plurality of mounting rods are arranged in the mounting grooves, screw holes are formed in two ends of each mounting rod, and the mounting rods are respectively inserted into the clamping grooves and the screw grooves in different postures.

Description

BMS and DCDC integrated large-voltage large-current battery pack

Technical Field

The utility model belongs to the technical field of solar heat collectors, and particularly relates to a BMS and DCDC integrated large-voltage and large-current battery pack.

Background

The battery management system, BMS (Battery Management System) for short, is mainly used for managing and maintaining the battery and preventing the battery from being overcharged or overdischarged so as to influence the service life of the battery.

The safety of the battery is the biggest problem of the battery package, and the battery package with high safety is the most important, and especially the danger of the battery package with high voltage and high current is higher, but only the thickness of the battery shell is reinforced, and the situation of overweight weight exists, so that the coordination of weight and safety needs to be mutually compromised, and meanwhile, the installation convenience of the structure is also required.

Disclosure of Invention

The utility model aims to provide a BMS and DCDC integrated large-voltage and large-current battery pack so as to solve the problems set forth in the background.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a BMS and DCDC integrated large-voltage large-current battery pack, which comprises a shell, a battery pack, a module assembly and an upper cover plate, wherein the battery pack is installed in the shell, the upper cover plate covers the shell, the module assembly is positioned between the battery pack and the upper cover plate, the module assembly comprises a BMS module and a DCDC module, mounting grooves are formed in two side walls of the shell, the mounting grooves comprise clamping grooves and screw grooves which are oppositely arranged, a plurality of through holes are formed in the screw grooves, strip openings are formed in the clamping grooves, a plurality of mounting rods are arranged in the mounting grooves, screw holes are formed in two ends of the mounting rods, and the two ends of the mounting rods are respectively inserted into the clamping grooves and the screw grooves.

Preferably, the lengths of the plurality of mounting rods are not identical, and the mounting rods with different lengths are mounted in the mounting grooves through bolts.

Preferably, a plurality of installation cavities are arranged on the upper cover plate, and the installation cavities correspond to modules in the module assembly one by one.

Preferably, a plurality of modules in the module assembly are all installed on the same module board, and a plurality of system loops are arranged on the module board and are connected with the BMS module and the DCDC module.

Preferably, the upper cover plate is provided with an inserting sheet, and the inserting sheet of the upper cover plate is inserted into the mounting groove for bolting.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the BMS and DCDC integrated large-voltage and large-current battery pack, different postures of the installation rod are installed through the installation rods with different lengths, and the integral strength is improved.

Drawings

Fig. 1 is a schematic view illustrating an overall structure of a large-voltage and large-current battery pack in which a BMS and a DCDC are integrally integrated;

fig. 2 is a schematic installation view of a mounting bar of a large-voltage and large-current battery pack in which a BMS and a DCDC are integrally formed according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a housing; 110. a mounting groove; 111. a clamping groove; 112. a screw groove; 113. a through hole; 114. a strip opening; 115. a mounting rod;

200. a battery pack;

300. a module assembly; 310. a BMS module; 320. a DCDC module;

400. an upper cover plate; 410. a mounting chamber; 420. and (5) inserting the sheet.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

Referring to fig. 1-2, a large-voltage and large-current battery pack integrating BMS and DCDC in this embodiment includes a housing 100, a battery pack 200, a module assembly 300 and an upper cover plate 400, wherein the battery pack 200 is mounted in the housing 100, the upper cover plate 400 covers the housing 100, the module assembly 300 is located between the battery pack 200 and the upper cover plate 400, the module assembly 300 includes a BMS module 310 and a DCDC module 320, mounting grooves 110 are formed in both side walls of the housing 100, the mounting grooves 110 include oppositely arranged clamping grooves 111 and screw grooves 112, a plurality of through holes 113 are formed in the screw grooves 112, strip openings 114 are formed in the clamping grooves 111, a plurality of mounting rods 115 are arranged in the mounting grooves 110, screw holes are formed in both ends of the mounting rods 115, two ends of the mounting rods 115 are respectively inserted into the clamping grooves 111 and the screw grooves 112, the mounting rods 115 are stably mounted in the mounting grooves 110, reinforcing of the housing 100 is achieved, deformation preventing capability of the housing 100 is improved, the number of the mounting rods 115 can be adjusted according to actual requirements, the number of the mounting rods 115 can be mounted on different lengths, the mounting rods 115 can be mounted on different lengths of the mounting rods 200, the mounting rods 200 are mounted on different lengths of the same size, the mounting rods can be mounted on the same plane, the entire battery pack can be mounted on the same size, the entire size can be mounted on the housing can be distributed in a large size, and the entire size can be increased, and the overall strength can be mounted on the housing can be mounted in the same size, and has a large size, and the overall size can be mounted on the overall size has a large size can be mounted and has a large size and increased.

The plurality of mounting bars 115 of the present embodiment are not all the same in length, and the mounting bars 115 of different lengths are mounted in the mounting groove 110 by bolts.

The upper cover plate 400 of the present embodiment is provided with a plurality of installation chambers 410, and the installation chambers 410 are in one-to-one correspondence with the modules in the module assembly 300.

The modules in the module assembly 300 of this embodiment are all installed on the same module board, and a plurality of system loops are disposed on the module board and connected with the BMS module 310 and the DCDC module 320.

The above description of the structure of the module assembly 300 is only for the purpose of describing the structural features thereof, and does not require careful explanation of the principle or corresponding structural components, corresponding modules or circuits, which are well established in the battery pack art.

The upper cover plate 400 of the embodiment is provided with the inserting sheet 420, the inserting sheet 420 of the upper cover plate 400 is inserted into the mounting groove 110 for bolting, the designed structure does not need to make an additional connection mounting mode for the upper cover plate 400, and the upper cover plate 400 is directly inserted into the mounting groove 110 for mounting connection through the inserting sheet 420, so that the structure is stable and efficient.

Working principle: the battery pack 200 is mounted in the housing 100, and then the module assembly 300 is mounted and correspondingly connected, and the upper cover plate 400 is mounted, wherein the insertion pieces 420 of the upper cover plate 400 are inserted into the mounting grooves 110 and are mounted and fastened by bolts, and then different mounting rods 115 are selected for mounting according to the length of the battery pack 200 and the mounting scale, so that the strength of the whole structure is maintained.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. BMS and DCDC integrative integrated high-voltage heavy current battery package, its characterized in that: including shell (100), group battery (200), module subassembly (300) and upper cover plate (400), group battery (200) are installed in shell (100), upper cover plate (400) are covered on shell (100), module subassembly (300) are located between group battery (200) and upper cover plate (400), contain BMS module (310) and DCDC module (320) in module subassembly (300), be equipped with mounting groove (110) on the both sides wall of shell (100), mounting groove (110) are including draw-in groove (111) and the helicoid (112) of opposition setting, be equipped with a plurality of through-holes (113) on helicoid (112), be equipped with rectangular mouthful (114) on draw-in groove (111), be equipped with many installation pole (115) in mounting groove (110), the both ends of installation pole (115) all are equipped with the screw, in draw-in groove (111) and helicoid (112) are inserted respectively to both ends of installation pole (115).

2. The large-voltage and large-current battery pack integrally formed with DCDC and integrally formed with BMS according to claim 1, wherein: the plurality of mounting rods (115) are not identical in length, and the mounting rods (115) with different lengths are mounted in the mounting groove (110) through bolts.

3. The large-voltage and large-current battery pack integrally formed with DCDC and integrally formed with BMS according to claim 1, wherein: the upper cover plate (400) is provided with a plurality of installation cavities (410), and the installation cavities (410) are in one-to-one correspondence with modules in the module assembly (300).

4. The large-voltage and large-current battery pack integrally formed with DCDC and integrally formed with BMS according to claim 1, wherein: the modules in the module assembly (300) are all installed on the same module board, a plurality of system loops are arranged on the module board, and the system loops are connected with the BMS module (310) and the DCDC module (320).

5. The large-voltage and large-current battery pack integrally formed with DCDC and integrally formed with BMS according to claim 1, wherein: the upper cover plate (400) is provided with an inserting sheet (420), and the inserting sheet (420) of the upper cover plate (400) is inserted into the mounting groove (110) for bolting.