Immersed battery PACK for industrial and commercial distributed energy storage

Abstract

The utility model relates to the technical field of energy and environment, in particular to an immersed battery PACK for industrial and commercial distributed energy storage, which comprises a shell, a liquid outlet pipe, a liquid inlet pipe, a BMS (battery management system) mounting groove, a bottom heat exchange liquid cooling plate, a battery module and a covering mechanism, the battery module comprises two energy storage units, two fixing frames, a plurality of first bolts and a plurality of vertical rods, the liquid inlet pipe is arranged on the lower right portion of the front end of the shell. The battery module is arranged in the shell, the two sides of the battery module are each provided with a flow channel for the liquid cooling working medium to flow, and the liquid cooling working medium enters a U-shaped groove channel in the bottom heat exchange liquid cooling plate from the feeding pipe, then flows into the tail of the bottom heat exchange liquid cooling plate and then flows out through the liquid outlet pipe; and the liquid cooling working medium flowing into the shell enters the front part of the shell from the tail part through the flow channels at the two sides of the battery module and flows out of the shell through the liquid outlet pipe at the front part, so that the device is high in energy storage safety and long in service life, and the lithium battery is not easy to fire and explode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of energy and environment, especially relate to a kind of for industrial and commercial distributed energy storage's immersion battery PACK bag. BACKGROUND

[0002] With the rapid development of renewable energy, and higher requirements for power reliability and stability, distributed energy storage systems are increasingly important in industrial and commercial fields.

[0003] In the prior art, through the mirror image energy storage of immersion battery PACK bag, it will be immersed in the battery module in insulating liquid, and heat exchange is carried out directly with the battery through the liquid, so as to quickly absorb the heat generated by the battery in the charging and discharging process, and take it to the external circulation system for cooling.

[0004] But in the foregoing prior art, the service life of the immersion battery PACK bag is not long, and the safety is not high, and the lithium battery is easy to fire and explode under thermal runaway. SUMMARY

[0005] The utility model discloses a kind of for industrial and commercial distributed energy storage's immersion battery PACK bag, solve the service life of the immersion battery PACK bag in prior art, and the safety is not high, and lithium battery is easy to fire and explode under thermal runaway. Problem.

[0006] To achieve the above object, the utility model provides a kind of for industrial and commercial distributed energy storage's immersion battery PACK bag, including shell, liquid outlet pipe, liquid inlet pipe, BMS installation slot, bottom heat exchange liquid cooling plate, battery module and cover mechanism, the battery module includes two energy storage units, two fixed frame, multiple first bolt and multiple vertical rods, the liquid inlet pipe is set in the lower right of the front end of the shell, the liquid outlet pipe is set in the upper left of the front end of the shell, the BMS installation slot is set in the front end of the shell, the bottom heat exchange liquid cooling plate is fixedly connected with the bottom of the shell, two The fixed frame is respectively set in the inside of the shell, two The energy storage unit is respectively set in two The fixed frame, multiple The vertical rod is respectively set on corresponding The fixed frame, multiple The first bolt is respectively set on corresponding The vertical rod.

[0007] Each of the energy storage units comprises a plurality of battery cells, two fixed frames, two mounting blocks and two L-shaped plates, the plurality of battery cells are arranged in the interior of the shell respectively, the two mounting blocks are arranged at the front and rear ends of the plurality of battery cells respectively, the two fixed frames are sleeved on the exterior of the plurality of battery cells and the two mounting blocks respectively, the two L-shaped plates are arranged on the corresponding mounting blocks respectively, and the plurality of first bolts are respectively penetrated through the corresponding L-shaped plates and matched with the corresponding vertical rods.

[0008] The cover closing mechanism comprises a cover plate, a sealing gasket and a plurality of second bolts, the cover plate is closed on the upper end of the shell, the sealing gasket is sleeved on the cover plate, and the plurality of second bolts are respectively penetrated through the sealing gasket and the cover plate and matched with the shell.

[0009] The cover closing mechanism further comprises an explosion-proof valve arranged at the upper end of the cover plate.

[0010] The utility model discloses an immersion type battery PACK package for industrial and commercial distributed energy storage, the liquid inlet pipe is arranged at the lower right of the front end of the shell, the liquid outlet pipe is arranged at the upper left of the front end of the shell, the BMS mounting groove is arranged at the front end of the shell, the bottom heat exchange liquid cooling plate is fixedly connected with the bottom of the shell, two fixed frames are arranged in the interior of the shell respectively, two energy storage units are arranged on the two fixed frames respectively, a plurality of vertical rods are arranged on the corresponding fixed frame, and a plurality of first bolts are arranged on the corresponding vertical rod. The battery module is arranged in the shell, and the battery module has flow channels on both sides for flowing liquid cooling medium, the liquid cooling medium enters the U-shaped channel in the bottom heat exchange liquid cooling plate from the feed pipe, then flows into the tail of the bottom heat exchange liquid cooling plate, and then flows out through the liquid outlet pipe, the liquid cooling medium in the shell flows from the tail through the flow channels on both sides of the battery module to the front of the shell, and then flows out of the shell through the liquid outlet pipe, so that the energy storage safety of the device is high, the service life is long, and the lithium battery is not prone to fire and explosion. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0012] Figure 1 It is the overall structure schematic diagram of the utility model.

[0013] Figure 2 It is the overall front view of the utility model.

[0014] Figure 3It is the structure schematic diagram of the part of the utility model.

[0015] Figure 4 It is the top view of the part of the utility model.

[0016] 1-shell, 2-liquid outlet pipe, 3-liquid inlet pipe, 4-BMS installation groove, 5-bottom heat exchange liquid cooling plate, 6-fixing frame, 7-first bolt, 8-vertical rod, 9-electric core, 10-fixing frame, 11-mounting block, 12-L-shaped plate, 13-cover plate, 14-sealing gasket, 15-second bolt, 16-explosion-proof valve. DETAILED DESCRIPTION

[0017] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0018] Please refer to Figures 1 to 4 Wherein, Figure 1 It is the structure schematic diagram of the whole of the utility model, Figure 2 It is the front view of the whole of the utility model, Figure 3 It is the structure schematic diagram of the part of the utility model, Figure 4 It is the top view of the part of the utility model.

[0019] The utility model provides a kind of for industrial and commercial distributed energy storage Immersed battery PACK bag, including shell 1, liquid outlet pipe 2, liquid inlet pipe 3, BMS installation groove 4, bottom heat exchange liquid cooling plate 5, battery module and cover mechanism, the battery module includes two energy storage units, two fixing frames 6, multiple first bolts 7 and multiple vertical rods 8, the liquid inlet pipe 3 is set in the lower right of the front end of the shell 1, the liquid outlet pipe 2 is set in the upper left of the front end of the shell 1, the BMS installation groove 4 is set in the front end of the shell 1, the bottom heat exchange liquid cooling plate 5 is fixedly connected with the bottom of the shell 1, two fixing frames 6 are respectively set in the inside of the shell 1, two energy storage units are respectively set on two fixing frames 6, multiple vertical rods 8 are respectively set on corresponding fixing frame 6, and multiple first bolts 7 are respectively set on corresponding vertical rod 8.

[0020] In the embodiment, the battery module is arranged in the shell 1, and flow channels for liquid cooling medium flow are arranged on both sides of the battery module. The liquid cooling medium enters the U-shaped channel inside the bottom heat exchange liquid cooling plate 5 from the inlet pipe, then flows into the tail of the bottom heat exchange liquid cooling plate 5, and then flows out through the liquid outlet pipe 2. The liquid cooling medium in the shell 1 enters the front part of the shell 1 from the tail through the flow channels on both sides of the battery module, and then flows out of the shell 1 through the liquid outlet pipe 2. Therefore, the energy storage safety of the device is high, the service life is long, and the lithium battery is not prone to fire and explosion.

[0021] Further, each energy storage unit includes a plurality of battery cells 9, two fixed frames 10, two mounting blocks 11, and two L-shaped plates 12. The plurality of battery cells 9 are arranged inside the shell 1, respectively. The two mounting blocks 11 are arranged at the front and rear ends of the plurality of battery cells 9, respectively. The two fixed frames 10 are arranged outside the plurality of battery cells 9 and the two mounting blocks 11, respectively. The two L-shaped plates 12 are arranged on the corresponding mounting blocks 11, respectively. The plurality of first bolts 7 pass through the corresponding L-shaped plates 12 and are matched with the corresponding vertical rods 8, respectively.

[0022] In the embodiment, the plurality of battery cells 9 are fixed together by the two mounting blocks 11 and the two fixed frames 10. The two mounting blocks 11 are fixed on the corresponding fixed frames 6, respectively. Then, the mounting blocks 11 are fixed on the vertical rods 8 by the cooperation of the two L-shaped plates 12 and the corresponding vertical rods 8, so as to fix the plurality of battery cells 9 inside the shell 1. There is a gap of 2-5 mm between each battery cell 9 to allow the liquid cooling medium to flow through and take away heat.

[0023] Further, the cover mechanism includes a cover plate 13, a sealing gasket 14, and a plurality of second bolts 15. The cover plate 13 covers the upper end of the shell 1. The sealing gasket 14 is arranged on the cover plate 13. The plurality of second bolts 15 pass through the sealing gasket 14 and the cover plate 13, respectively, and are matched with the shell 1, respectively.

[0024] In the embodiment, the plurality of second bolts 15 are arranged to fix the cover plate 13 at the upper end of the shell 1. The sealing gasket 14 is arranged to seal the gap between the plurality of second bolts 15 and the cover plate 13, so as to avoid leakage.

[0025] Further, the cover mechanism further includes an explosion-proof valve 16 arranged at the upper end of the cover plate 13.

[0026] In the embodiment, the explosion-proof valve 16 is arranged to prevent explosion when the device leaks.

[0027] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above-mentioned embodiments, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. An immersed battery PACK package for industrial and commercial distributed energy storage, characterized in that, It comprises a shell, an outflow pipe, an inflow pipe, a BMS mounting groove, a bottom heat exchange liquid cooling plate, a battery module and a cover mechanism. The battery module comprises two energy storage units, two fixing frames, a plurality of first bolts and a plurality of vertical rods, the inflow pipe is arranged at the lower right front end of the shell, the outflow pipe is arranged at the upper left front end of the shell, the BMS mounting groove is arranged at the front end of the shell, the bottom heat exchange liquid cooling plate is fixedly connected with the bottom of the shell, two fixing frames are arranged inside the shell, two energy storage units are arranged on the two fixing frames, a plurality of vertical rods are arranged on the corresponding fixing frames, and a plurality of first bolts are arranged on the corresponding vertical rods.

2. The immersed battery PACK package for industrial and commercial distributed energy storage according to claim 1, characterized in that, Each energy storage unit comprises a plurality of battery cells, two fixing frames, two mounting blocks and two L-shaped plates, a plurality of battery cells are arranged inside the shell, two mounting blocks are arranged at the front and rear ends of the plurality of battery cells, two fixing frames are arranged outside the plurality of battery cells and the two mounting blocks, two L-shaped plates are arranged on the corresponding mounting blocks, and a plurality of first bolts are respectively penetrated through the corresponding L-shaped plates and matched with the corresponding vertical rods.

3. The immersed battery PACK package for industrial and commercial distributed energy storage according to claim 2, characterized in that, The cover mechanism comprises a cover plate, a sealing gasket and a plurality of second bolts, the cover plate covers the upper end of the shell, the sealing gasket is sleeved on the cover plate, and a plurality of second bolts are respectively penetrated through the sealing gasket and the cover plate and matched with the shell.

4. The immersed battery PACK package for industrial and commercial distributed energy storage according to claim 3, characterized in that, The cover mechanism further comprises an explosion-proof valve arranged at the upper end of the cover plate.

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