CN218957910U - Lithium battery pack structure for UPS energy storage module - Google Patents

Abstract

The utility model discloses a lithium battery pack structure for a UPS energy storage module, which comprises a bottom plate, end plates and a top plate, wherein limiting clamping grooves are formed in two sides of each end plate, isolation convex edges are fixedly connected to the upper end of the bottom plate and the bottom end of the top plate, abutting convex edges are fixedly connected to the side surfaces, close to each other, of each end plate, and two convex edges are matched with the inner wall of each end plate to form an avoidance cavity. This kind of a lithium cell group structure for UPS energy storage module realizes dismantling the connection to the roof through the trip subassembly on through-hole on the roof and the end plate, is convenient for directly take off the roof and maintains the operation such as maintaining the lithium cell, can be with certain distance between the adjacent lithium cell through the isolation bead, and the chamber of dodging that forms on the cooperation end plate provides certain space of stepping down for the expansion of lithium cell, reduces the probability of damaging of mutual extrusion between the lithium cell.

Description

Lithium battery pack structure for UPS energy storage module

Technical Field

The utility model relates to the technical field of UPS energy storage, in particular to a lithium battery pack structure for a UPS energy storage module.

Background

The traditional Uninterrupted Power Supply (UPS) is a centralized power supply for a control room, a large-scale uninterrupted power supply is needed, a large number of lead-acid batteries are needed to be equipped, hydrogen and acid gas are discharged by lead-acid, electrical equipment is damaged, a room is needed to be placed independently, the uninterrupted power supply and the lead-acid batteries thereof are needed to be placed in a special room, so that the cost is high, power distribution is complex, construction is large, the technology of replacing the lead-acid batteries with lithium batteries appears in the prior art, a plurality of lithium batteries and correspondingly matched BMS (battery management system), high-voltage boxes and other units are placed in a box body of each small-scale UPS, the placement structure of the lithium battery is usually an end plate and side plate surrounding frame structure, in order to simplify the structure and the technology, a steel belt or plastic belt is used for replacing the lithium battery pack structure of the side plate, for example, the utility model with the application number of CN202021837612.3 is disclosed, the lithium battery pack structure for a UPS energy storage module is structurally, double-sided adhesive is adopted among battery cores, a metal plate end plate combination mode is adopted, the lead-acid battery structure is reliably and succinctly designed, so that the whole technological process flow is simplified, a plurality of lithium batteries and correspondingly matched BMS, the whole plastic frame is easily damaged, the whole process flow is reduced, the cost is easily to be more easily damaged, and the cost is reduced by the whole process is reduced by bending the battery and the whole process, and the cost is more closely connected with the battery frame and is more than the battery by using a rivet when the battery through the end plate, and the cost is more closely connected with the end plate and the battery through the side plate, and the rivet when the expansion structure is easily connected. To this end, we propose a lithium battery pack structure for a UPS energy storage module.

Disclosure of Invention

The present utility model is directed to a lithium battery pack structure for a UPS energy storage module, so as to solve the above-mentioned problems in the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium cell group structure for UPS energy storage module, includes bottom plate, end plate and roof, the end plate is provided with two, fixedly connected with bottom plate between the bottom of two end plates, roof activity joint is in the end plate upper end, end plate upper end fixedly connected with trip subassembly, be provided with the draw-in hole on the roof, trip subassembly joint is downthehole at the draw-in, the end plate both sides all are provided with spacing draw-in groove, spacing draw-in groove is provided with two sets of at least, the equal fixedly connected with of bottom plate upper end and roof bottom keeps apart the bead, fixedly connected with butt bead on the side that the end plate is close to each other, two the bead forms with the cooperation of end plate inner wall and dodges the chamber.

Preferably, the trip assembly includes solid fixed ring, spliced pole, trip head and direction inclined plane, gu fixed ring fixed connection is in the end plate upper end, the spliced pole sets up in solid fixed ring upper end, the spliced pole is provided with three and is annular arrangement at least, spliced pole upper end fixedly connected with trip head, the surface of trip head is provided with the direction inclined plane.

Preferably, through holes are formed in the bottom plate, and the through holes are uniformly arranged.

Preferably, the side surfaces of the end plates, which are close to each other, are connected with heat insulation pads, and the inner bottom of the end plate is respectively provided with a glue overflow groove and a supporting plate.

Compared with the prior art, the utility model has the beneficial effects that: this kind of a lithium cell group structure for UPS energy storage module is through the cooperation of end plate, curb plate and bottom plate, carry out spacingly to the lithium cell in the UPS, and fix the battery through cup joint the plastic ribbon between two end plates, and a structure is simplified, save the cost, realize dismantling the connection to the roof through the through-hole on the roof and the trip subassembly on the end plate, be convenient for directly take off the roof and maintain etc. operation to the lithium cell, can be with the certain distance of interval between the adjacent lithium cell through the isolation bead, the chamber of dodging that forms on the cooperation end plate, provide certain space of stepping down for the expansion of lithium cell, reduce the probability of mutual extrusion and damage between the lithium cell, improve the stability of lithium cell group structure, and then improve life.

Drawings

FIG. 1 is a schematic diagram of an explosive structure of the present utility model;

FIG. 2 is a side view of an end plate of the present utility model;

fig. 3 is a schematic perspective view of a hook assembly according to the present utility model.

In the figure: the device comprises a bottom plate 1, an end plate 2, a top plate 3, a clamping hook assembly 4, a fixing ring 41, a connecting column 42, a clamping hook head 43, a guide inclined plane 44, a clamping hole 5, a limiting clamping groove 6, an isolation convex edge 7, a through hole 8, an abutting convex edge 9, an avoidance cavity 10, a supporting plate 11, a heat insulation pad 12 and a glue overflow groove 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a lithium cell group structure for UPS energy storage module, including bottom plate 1, end plate 2 and roof 3, end plate 2 is provided with two, fixedly connected with bottom plate 1 between the bottom of two end plates 2, roof 3 activity joint is in end plate 2 upper end, be provided with through-hole 8 on the bottom plate 1, through-hole 8 evenly arranged, end plate 2 is located battery structure's two terminal surfaces, bottom plate 1 is located battery structure's bottom, roof 3 is located battery structure's upper end, bottom plate 1 and two end plates 2 fixed connection, can be the welding, also can be other connection structure, do not specifically limit, a plurality of lithium cell is spacing between bottom plate 1 top and two end plates 2, utilize joint structure to with roof 3 joint in battery structure's top after spacing is accomplished, can set up connection structure such as positive negative pole copper bar between roof 3 and end plate 2, realize battery structure's bulk connection;

the upper end of the end plate 2 is fixedly connected with a clamping hook assembly 4, the top plate 3 is provided with a clamping hole 5, the clamping hook assembly 4 is clamped in the clamping hole 5, when the top plate 3 and the end plate 2 are connected, the clamping hook assembly 4 is aligned with the clamping hole 5, the top plate 23 is pressed downwards until the clamping hook assembly 4 is clamped in the clamping hole 5, the connection of the top plate 3 is completed, and when a lithium battery needs to be maintained, the top plate 3 can be taken down only by releasing the clamping joint of the clamping hook assembly 4 and the clamping hole 5, so that the connection is convenient to detach;

the hook component 4 comprises a fixed ring 41, a connecting column 42, a hook head 43 and a guide inclined plane 44, wherein the fixed ring 41 is fixedly connected to the upper end of the end plate 2, the connecting column 42 is arranged at the upper end of the fixed ring 41, at least three connecting columns 42 are arranged and are annularly arranged, the hook head 43 is fixedly connected to the upper end of the connecting column 42, the guide inclined plane 44 is arranged on the outer surface of the hook head 43, the guide inclined plane 44 is an inclined plane inclined outwards from top to bottom, when the hook head is connected, the hook hole 5 is aligned with the hook component 4 and pressed downwards, the plurality of hook heads 43 are close to the center, the hook heads 43 penetrate through the hook hole 5, after penetrating through the outer wall, the hook heads 43 restore to be in situ, namely, the hook heads are outwards expanded in the direction away from the center, the hook heads 42 are clamped in the through holes, so that the connection of the top plate 3 is realized, and the guide inclined plane 44 plays a role in guiding, so that the hook heads 83 are easier to be inserted into the hook holes 5;

the two sides of the end plates 2 are provided with the limiting clamping grooves 6, the limiting clamping grooves 6 are at least provided with two groups, the plastic binding tapes are sleeved on the outer sides of the two end plates 2 and limited in the limiting clamping grooves 6, the plastic binding tapes can be limited, the plastic binding tapes are prevented from shifting up and down, meanwhile, the structure of the lithium battery is simplified by the plastic binding tapes, and the cost is reduced;

the upper end of the bottom plate 1 and the bottom end of the top plate 3 are fixedly connected with isolation ribs 7, the isolation ribs 7 are positioned between two adjacent lithium batteries, a certain distance can be kept between the two lithium batteries while the lithium batteries are limited, after the lithium batteries are heated and expanded, the probability of mutual extrusion between the two adjacent lithium batteries is reduced, and the service life of the lithium batteries is prolonged;

the side surfaces of the end plates 2, which are close to each other, are fixedly connected with abutting convex edges 9, the two convex edges 9 are matched with the inner wall of the end plate 2 to form an avoidance cavity 10, the outer wall of each abutting convex edge 9 abuts against the surface of the lithium battery at the most edge, so that a certain space is reserved between the side surface of the lithium battery and the end plates 2 at the two sides, namely the avoidance cavity 10, the avoidance cavity 10 is utilized to enable the bulge of the battery after expansion to be in contact with the end plates 2 at the two sides as much as possible, so that damage to the end plates 2 caused by expansion force of the battery during expansion is avoided, and in addition, the expansion of the battery is generally the bulge at the middle position of the battery, the avoidance cavity 10 at the middle is mainly used for avoiding the bulge position, and the structural stability of the battery is kept;

the heat insulation pad 12 is connected to the side surface of the end plate 2, the glue overflow groove 13 and the supporting plate 11 are respectively arranged at the inner bottom of the end plate 2, the supporting plate 11 can support the bottom of the heat insulation pad 12, the adhesion stability of the heat insulation pad 13 is improved, one surface of the heat insulation pad 12 is adhered to the inner wall of the end plate 2, the heat insulation pad 12 can be made of heat insulation materials such as glass fiber cotton or glass cotton, the glue overflow groove 13 can be transversely arranged at the bottom of the end plate 2, the glue overflow groove can also be arranged at four edges of the end plate 2, the glue overflow groove can be specifically arranged according to use requirements, redundant glue can be contained, and the adhesion stability is improved.

When the lithium battery expansion device is used, a plurality of lithium batteries are limited above the bottom plate 1 and between the two end plates 2, after limiting, the top plate 3 is clamped above the battery structure by the clamping structure, the plastic ribbon is sleeved on the outer sides of the two end plates 2 and is limited in the limiting clamping groove 6, the isolation convex edges 7 are positioned between the two adjacent lithium batteries, the lithium batteries are limited, a certain distance is kept between the two lithium batteries, after the lithium batteries are heated and expanded, the probability of mutual extrusion between the two adjacent lithium batteries is reduced, the service life of the lithium batteries is prolonged, the outer wall of the abutting convex edges 9 abuts against the surface of the lithium battery at the most edge, a certain space is reserved between the side surface of the lithium battery and the end plates 2 at the two sides, namely, the cavity 10 is avoided, contact is reduced as much as possible between the bulge after the battery is expanded and the end plates 2 at the two sides by the aid of the cavity 10, and damage to the end plates 2 caused by expansion force of the battery is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a lithium cell group structure for UPS energy storage module, includes bottom plate (1), end plate (2) and roof (3), its characterized in that: end plate (2) are provided with two, fixedly connected with bottom plate (1) between the bottom of two end plates (2), roof (3) activity joint is in end plate (2) upper end, end plate (2) upper end fixedly connected with trip subassembly (4), be provided with draw-in hole (5) on roof (3), trip subassembly (4) joint is in draw-in hole (5), end plate (2) both sides all are provided with spacing draw-in groove (6), spacing draw-in groove (6) are provided with two sets of at least, all fixedly connected with isolation bead (7) of bottom plate (1) upper end and roof (3) bottom, fixedly connected with butt bead (9) on the side that end plate (2) are close to each other, two bead (9) and end plate (2) inner wall cooperation form and dodge chamber (10).

2. A lithium battery pack structure for a UPS energy storage module as in claim 1 wherein: the utility model provides a trip subassembly (4) is including solid fixed ring (41), spliced pole (42), trip head (43) and direction inclined plane (44), gu fixed ring (41) fixed connection is in end plate (2) upper end, spliced pole (42) set up in solid fixed ring (41) upper end, spliced pole (42) are provided with three and are annular arrangement at least, spliced pole (42) upper end fixedly connected with trip head (43), the surface of trip head (43) is provided with direction inclined plane (44).

3. A lithium battery pack structure for a UPS energy storage module as in claim 1 wherein: the base plate (1) is provided with through holes (8), and the through holes (8) are uniformly arranged.

4. A lithium battery pack structure for a UPS energy storage module as in claim 1 wherein: the side surfaces of the end plates (2) close to each other are connected with heat insulation pads (12), and glue overflow grooves (13) and supporting plates (11) are respectively arranged at the inner bottoms of the end plates (2).

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