CN217444481U

CN217444481U - Battery management system

Info

Publication number: CN217444481U
Application number: CN202220243287.0U
Authority: CN
Inventors: 郭伟
Original assignee: Suzhou Atsi New Energy Development Co ltd
Current assignee: Suzhou Atsi New Energy Development Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-09-16
Anticipated expiration: 2032-01-29

Abstract

The utility model provides a battery management system, including battery management unit on support, the support, be used for fixing the installed part on the support with battery management unit, wherein, the support includes the backup pad that is used for supporting battery management unit's loading board, fixed locating loading board both ends that set up about two at least, the installed part has the base plate, from the mounting panel of base plate side direction extension, from the fixed plate that the base plate orientation extended that deviates from, the mounting panel can be dismantled and fix the both ends at battery management unit, and the fixed plate can be dismantled and fix in the backup pad. The battery management unit is fixed in a vertically stacked mode through the cooperation of the support and the mounting piece, occupied space of the battery management unit is reduced, cables of the battery management unit are arranged neatly and not in disorder, and installation and maintenance of the battery management unit are facilitated.

Description

Battery management system

Technical Field

The utility model relates to a new forms of energy battery energy storage technical field especially relates to a battery management system.

Background

At present, a battery management unit BMU is an indispensable unit for acquiring battery information in a battery management system, but the existing battery management unit is generally mounted by adopting a mounting mode adhered to the box wall of the battery management system; the battery management units are large in occupied space, messy in collection lines of the battery management units, easy to install in error and inconvenient to maintain in later period.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel battery management system solves above-mentioned problem.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a battery management system, includes battery management unit on support, the support, is used for fixing the installed part on the support with battery management unit, wherein, the support includes the backup pad that is used for supporting battery management unit's loading board, fixed locating loading board both ends that set up about two at least, the installed part has the base plate, from the mounting panel of base plate side direction extension, from the fixed plate that the base plate orientation extends, the mounting panel can be dismantled and fix the both ends at battery management unit, and the fixed plate can be dismantled and fix in the backup pad.

Further, the mounting plate extends to the upper surface of the battery management unit from the upper end of the base plate towards the direction of the battery management unit, and the fixing plate extends to the side face of the supporting plate from any side end of the base plate towards the direction far away from the battery management unit.

Furthermore, the corresponding positions of the side surfaces of the fixing plate and the supporting plate are respectively provided with a first mounting hole, and the fixing plate and the supporting plate are fixed through the first mounting holes through bolts.

Further, the battery management unit includes from the controller, holds the casing from the controller, the casing includes casing down, covers the last casing of casing down, lower casing is located the loading board, go up casing and casing down with all be equipped with corresponding second mounting hole on the mounting panel, mounting panel and casing pass the second mounting hole through the bolt and fix.

Further, the top end of the supporting plate is higher than the bearing plate, and the battery management unit is not higher than the upper end of the supporting plate.

Further, the backup pad includes with loading board complex last backup pad, go up the lower backup pad below the backup pad, it is greater than the lower backup pad thickness to go up the backup pad thickness, first mounting hole depth direction perpendicular to go up the backup pad thickness direction.

Furthermore, the support also comprises a reinforcing structure positioned between the two lower supporting plates, wherein the reinforcing structure comprises a U-shaped plate with a downward opening and a connecting plate fixedly connected to the end part of the U-shaped plate and the end part of the lower supporting plate.

Further, still including forming the box that holds the chamber, support and battery management unit are located the cavity, the box includes diapire, roof, the lateral wall that extends towards the diapire direction from the terminal edge of roof, the support passes through the connecting plate to be fixed on the diapire, and adjacent the lateral wall sets up.

Furtherly, the connecting plate has the connecting plate body and from the outside extension board that extends in the both ends of connecting plate body, be equipped with on the diapire with connecting plate complex reinforcing plate, the extension board with all be equipped with corresponding third mounting hole on the reinforcing plate, the support passes the third mounting hole through the bolt and fixes on the diapire.

Further, the battery management unit still includes the cable of drawing forth from the controller, the position that the casing corresponds the cable down is equipped with the opening that supplies the cable to draw forth, the position of adjacent battery management unit is equipped with the window on the lateral wall, the internal diameter size of window is not less than the plane size that backup pad and loading board formed, the box still includes the lid that is used for hiding the window.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a battery management system makes battery management unit range upon range of fixedly from top to bottom through the cooperation of support and installed part, has reduced battery management unit's occupation space, makes battery management unit's cable arrange neatly not in disorder moreover, does benefit to battery management unit's installation and maintenance.

Drawings

Fig. 1 is a perspective structural view of an embodiment of the battery management system of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic structural diagram of the state of the bracket, the battery management unit and the mounting member in the embodiment of fig. 2 in a matched state.

Fig. 4 is a schematic structural diagram of the battery management unit and the mounting member in an exploded state in the embodiment of fig. 3.

10-battery management unit, 11-slave controller, 12-shell, 121-lower shell, 122-upper shell, opening-123, 13-cable, 20-bracket, 21-bearing plate, 22-supporting plate, 221-upper supporting plate, 222-lower supporting plate, 23-reinforcing structure, 231-U-shaped plate, 232-connecting plate, 2321-connecting plate body, 2322-extending plate, 2323-third mounting hole, 30-mounting piece, 31-base body, 32-mounting plate, 33-fixing plate, 34-first mounting hole, 35-second mounting hole, 40-box body, 41-bottom wall, 42-top wall, 43-side wall, 44-opening and 45-cover body.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only used for convenience of simplifying the description of the present invention, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention. Specifically, in the present invention, the direction toward the ground is downward, and the opposite direction is upward.

In the various drawings of the present invention, certain dimensions of structures or portions may be exaggerated relative to other structural portions for ease of illustration and, thus, are provided only to illustrate the basic structure of the subject matter of the present invention.

As shown in fig. 1 to fig. 3, the present invention provides a battery management system for intelligently managing and maintaining each battery unit, preventing the battery from overcharging and overdischarging, prolonging the service life of the battery, and monitoring the state of the battery.

Specifically, the battery management system includes a support 20, a battery management unit 10 on the support 20, and a mounting member 30 for fixing the battery management unit 10 on the support 20, wherein the support 20 includes at least two loading plates 21 arranged up and down for supporting the battery management unit 10, and supporting plates 22 fixed at two ends of the loading plates 21, the mounting member 30 has a base plate 31, a mounting plate 32 extending laterally from the base plate 31, and a fixing plate 33 extending from the base plate 31 in a direction away from the mounting plate 32, the mounting plates 32 are detachably fixed at two ends of the battery management unit 10, and the fixing plate 33 is detachably fixed on the supporting plates 22. The utility model discloses a battery management system utilizes installed part 30 to stack battery management unit 10 from top to bottom on support 20 for battery management unit 10 neatly arranges, and the cable of connecting battery management unit 10 is clean and tidy not in disorder, saves battery management unit 10's occupation space moreover.

The battery management system further comprises a box body 40 forming a containing cavity, the bracket 20 and the battery management unit 10 are positioned in the containing cavity, and specifically, the box body 40 comprises a bottom wall 41, a top wall 42 and a side wall 43 extending from the end edge of the top wall 42 towards the bottom wall 41. The bottom wall 41 is provided with a reinforcing plate (not shown) matched with the bracket 20, the reinforcing plate is provided with a third mounting hole (not shown), the bracket 20 passes through the third mounting hole through a bolt to be fixed on the bottom wall 41, and the third mounting holes are arranged at two ends of the reinforcing plate at intervals so as to balance the stress between the bracket 20 and the bottom wall 41.

Further, a window 44 is disposed on the side wall 43 adjacent to the battery management unit 10, an inner diameter of the window 44 is not smaller than a plane size formed by the support plate 22 and the carrier plate 21, that is, the battery management unit 10 can be exposed through the window 44, which is beneficial to subsequent maintenance and repair of the battery management unit 10, the box 40 further includes a cover 45 for covering the window 44, so that the box 40 forms a closed space to protect the battery management unit 10, in this embodiment, the cover 45 and the side wall 43 are fixed by bolts, which is convenient for disassembly and assembly.

The bracket 20 is fixed to the bottom wall 41 and is disposed adjacent to the side wall 43. The loading board 21 is parallel diapire 41 sets up, and the distance between two-layer loading board 21 is greater than battery management unit 10's thickness a little, make full use of support 20 direction of height's space as far as possible, the utility model provides a total three-layer loading board 21 of support.

As a preferred embodiment of the present invention, as shown in fig. 3, the top end of the supporting plate 22 is higher than the top end of the supporting plate 21, the battery management unit 10 is not higher than the top end of the supporting plate 22, that is, the top layer of the supporting plate 21 is also used to carry the battery management unit 10, preferably, the top layer of the battery management unit 10 and the top end of the supporting plate 21 are flush, and the use of one layer of the supporting plate 21 is saved. Of course, it is within the scope of the present embodiment that the upper ends of the uppermost carrier plate 21 and the supporting plate 22 are disposed flush with each other.

In this embodiment, the supporting plate 22 includes an upper supporting plate 221 and a lower supporting plate 222 below the upper supporting plate 221, which are matched with the bearing plate 21, the thickness of the upper supporting plate 221 is greater than that of the lower supporting plate 222, on one hand, the upper supporting plate 221 and the bearing plate 21, the installation member 30 need to have a greater strength when being matched with the upper supporting plate 221, and on the other hand, the matching area between the upper supporting plate 221 and the installation member 30 can be increased, so that the battery management unit 10 can be stably fixed on the bracket 10.

The support frame 20 further comprises a reinforcing structure 23 located between the two lower support plates 222 to increase the structural strength of the support frame 20, the reinforcing structure 23 comprises a U-shaped plate 231 with a downward opening, and a connecting plate 232 fixedly connected to the end of the U-shaped plate 231 and the end of the lower support plate 222, that is, the connecting plate 232 is located at the lower end of the whole support frame 20, the support frame 20 is matched with the reinforcing plate of the bottom wall 41 through the connecting plate 232 to increase the contact area between the support frame 20 and the bottom wall 41, and the stability of the matching between the support frame 20 and the bottom wall 41 is further enhanced.

In this embodiment, the bracket 20 and the bottom wall 41 are fixed by bolts, specifically, a third mounting hole for fixing the bracket 20 on the bottom wall 41 of the box body is formed in the connecting plate 232, the third mounting hole 2323 on the connecting plate 232 and the third mounting hole on the reinforcing plate are arranged in a one-to-one correspondence manner, the bracket 20 is fixed on the bottom wall 41 by passing through the third mounting hole 2323 by bolts, and the third mounting holes 2323 are arranged at two ends of the connecting plate 232 at intervals.

Preferably, the connecting plate 232 has a connecting plate body 2321 and extending plates 2322 extending outwards from two ends of the connecting plate body 2321, and the third mounting hole 2323 is formed on the extending plates 2322, so as to facilitate mounting and dismounting of the bracket 20.

Referring to fig. 3 and 4, the battery management unit 10 includes a slave controller 11, a housing 12 for accommodating the slave controller 11, the housing 12 includes a lower housing 121, and an upper housing 122 for covering the lower housing 121, the lower housing 121 is located on the carrier plate 21, in this embodiment, the upper housing 122 and the lower housing 121 are detachably fixed by bolts, meanwhile, the upper housing 122 and the lower housing 121 have second mounting holes 35 for fitting with the mounting members 30, and the mounting members 30 and the housing 12 are fixed by bolts passing through the second mounting holes 35.

Battery management unit 10 still includes from the cable 13 that draws out from controller 11, the position that casing 121 corresponds cable 13 down is equipped with the opening 123 that supplies cable 13 to draw out, and opening 123 does benefit to from the heat dissipation of controller 11 in one side of adjacent window 44, and it is fixed along the length direction of lateral wall 43 after cable 13 draws out through the position of opening 123 simultaneously for battery management unit 10's cable 13 arranges neatly, makes things convenient for the installation in earlier stage and the maintenance in later stage.

The mounting members 30 are located between the battery management units 10 and the rack 20, and each battery management unit 10 is fixed at both ends by one mounting member 30, that is, in this embodiment, 6 mounting members 30 are provided. Specifically, the substrate 31 is located above the loading plate 21 and is disposed near the supporting plate 22, the mounting plate 32 extends to the upper surface of the battery management unit 10 from the upper end of the substrate 31 toward the direction of the battery management unit 10, that is, the mounting plate 32 is lapped on the upper housing 122, the mounting plate 32 is also provided with a second mounting hole 35 corresponding to the position, and the mounting plate 32 and the housing 12 are fixed by bolts passing through the second mounting hole 35.

The fixing plate 33 extends from either side end of the base plate 31 to the side of the support plate 22 in a direction away from the battery management unit 10. The fixed plate 33 and the corresponding position in backup pad 22 side all are equipped with first mounting hole 34, first mounting hole 34 depth direction perpendicular to go up the thickness direction of backup pad 221, the fixed plate 33 with it is fixed to pass first mounting hole 34 through the bolt between the backup pad 22, the fixed plate 33 is located the outside of backup pad 22 makes things convenient for the fixed coordination between fixed plate 33 and the backup pad 22.

The utility model discloses battery management system's battery management unit 10's the fixed process of installation does: the mounting plate 32 of the mounting member 30 is first secured to the housing 12 of the battery management unit 10 and then the battery management unit 10 is mounted to the bracket 20 using the engagement of the securing plate 33 and the support plate 22.

To sum up, the utility model discloses a battery management system makes battery management unit 10 range upon range of fixedly from top to bottom through the cooperation of support 20 and installed part 30, has reduced battery management unit 10's occupation space, makes battery management unit 10's cable 13 arrange neatly in disorder moreover, does benefit to battery management unit's installation and maintenance.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The above detailed description of a series of embodiments is only for the purpose of illustration, and is not intended to limit the scope of the invention, which is intended to include all equivalent embodiments or modifications that do not depart from the spirit of the invention.

Claims

1. The utility model provides a battery management system, includes battery management unit on support, the support, is used for fixing the installed part on the support with battery management unit, its characterized in that: the support includes the loading board that is used for supporting battery management unit, the fixed backup pad of locating the loading board both ends that set up about two at least, the installed part has the base plate, from the mounting panel of base plate side direction extension, from the fixed plate that the base plate extends towards deviating from the mounting panel direction, the mounting panel can be dismantled and fix the both ends at battery management unit, and the fixed plate can be dismantled and fix in the backup pad.

2. The battery management system of claim 1, wherein: the mounting panel is for extending to the upper surface of battery management unit from the upper end of base plate towards the direction of battery management unit, the side that the direction of battery management unit was kept away from to the arbitrary side of base plate orientation extended to the backup pad of fixed plate.

3. The battery management system of claim 2, wherein: the fixing plate and the corresponding position of the side face of the supporting plate are respectively provided with a first mounting hole, and the fixing plate and the supporting plate are fixed through the first mounting holes through bolts.

4. The battery management system of claim 3, wherein: the battery management unit includes from the controller, holds from the controller's casing, the casing includes casing down, covers the last casing of casing down, the casing is located the loading board down, go up casing and casing down with all be equipped with corresponding second mounting hole on the mounting panel, mounting panel and casing pass the second mounting hole through the bolt and fix.

5. The battery management system of claim 4, wherein: the top end of the supporting plate is higher than the bearing plate, and the battery management unit is not higher than the upper end of the supporting plate.

6. The battery management system according to claim 4 or 5, wherein: the backup pad includes with loading board complex last backup pad, go up the lower support plate of backup pad below, it is greater than the lower support plate thickness to go up the backup pad thickness, first mounting hole depth direction perpendicular to go up the thickness direction of backup pad.

7. The battery management system of claim 6, wherein: the support is characterized by further comprising two reinforcing structures between the lower supporting plates, wherein each reinforcing structure comprises a U-shaped plate with a downward opening and a connecting plate fixedly connected to the end part of the U-shaped plate and the end part of the lower supporting plate.

8. The battery management system of claim 7, wherein: still hold the box in chamber including forming, support and battery management unit are located the cavity, the box includes diapire, roof, the lateral wall that extends towards the diapire direction from the terminal edge of roof, the support passes through the connecting plate to be fixed on the diapire, and adjacent the lateral wall sets up.

9. The battery management system of claim 8, wherein: the connecting plate has the connecting plate body and outwards extends the extension board from the both ends of connecting plate body, be equipped with on the diapire with connecting plate complex reinforcing plate, the extension board with all be equipped with corresponding third mounting hole on the reinforcing plate, the support passes the third mounting hole through the bolt and fixes on the diapire.

10. The battery management system of claim 8, wherein: the battery management unit still includes the cable of drawing forth from the controller, the position that the casing corresponds the cable down is equipped with the opening that supplies the cable to draw forth, the position of adjacent battery management unit is equipped with the window on the lateral wall, the internal diameter size of window is not less than the plane size that backup pad and loading board formed, the box still includes the lid that is used for hiding the window.