CN-122000522-A - Energy storage device and electric ship

Abstract

The embodiment of the application provides an energy storage device and an electric ship, and belongs to the technical field of batteries. The energy storage device comprises a box body, wherein the box body forms a battery compartment, a temperature control compartment, a fire control compartment and an electric compartment which are separated, the battery compartment is provided with a battery system, a heat exchange device, a fire control sensor and a fire control executing device, the temperature control compartment is provided with a temperature control system, the temperature control system is connected with the heat exchange device, the fire control compartment is provided with a fire control system, the fire control system is connected with the fire control sensor and the fire control executing device, the electric compartment is provided with an electric system, and the electric system is electrically connected with the battery system. The energy storage device is reasonable in structure, good in reliability and safety and convenient to move.

Inventors

• WU KAI
• MENG MAPING
• LIANG YUQI
• E FEI
• XU HEHUA
• CHEN YONGZHONG

Assignees

• 宁德时代电船科技有限公司

Dates

Publication Date

20260508

Application Date

20241031

Claims (16)

1. 1. An energy storage device, comprising: the box body forms a battery cabin, a temperature control cabin, a fire cabin and an electric cabin which are separated; the battery compartment is provided with a battery system, a heat exchange device, a fire-fighting sensor and a fire-fighting executing device; The temperature control cabin is provided with a temperature control system, and the temperature control system is connected with the heat exchange device; The fire-fighting cabin is provided with a fire-fighting system, and the fire-fighting system is connected with the fire-fighting sensor and the fire-fighting executing device; The electrical cabin is provided with an electrical system, and the electrical system is electrically connected with the battery system.
2. 2. The energy storage device of claim 1, wherein the battery compartment is separated from adjacent other compartments by a fire resistant material, and wherein adjacent ones of the temperature controlled compartment, the fire fighting compartment, and the electrical compartment are separated by a non-flammable material.
3. 3. The energy storage device according to claim 1 or 2, wherein the temperature control cabin, the fire control cabin and the electric cabin are arranged at one end of the box in the length direction of the box in the width direction of the box, and the temperature control cabin, the fire control cabin and the electric cabin are all arranged with the battery cabin in the length direction of the box.
4. 4. The energy storage device of claim 3, wherein the temperature control cabin, the fire cabin, and the electrical cabin are arranged in sequence along a width direction of the tank.
5. 5. The energy storage device of claim 3 or 4, wherein a fire-proof partition plate is arranged between the battery compartment and the temperature control compartment, the fire-proof compartment and the electric compartment, and the fire-proof partition plate is provided with a plurality of sealed through-compartment members, and the sealed through-compartment members are used for communicating the battery compartment with another adjacent compartment so as to enable cables or pipelines in the battery compartment and the other adjacent compartment to penetrate.
6. 6. The energy storage device of any of claims 1-5, wherein the battery system comprises a plurality of battery racks, the battery racks having a plurality of storage compartments, each storage compartment for providing a high voltage box or battery pack, the plurality of battery packs within the same battery rack being connected to a bus bar through the high voltage box, the bus bar being electrically connected to the electrical system.
7. 7. The energy storage device of claim 6, wherein the tank includes a side rail and a bottom plate connected, the bottom plate being mounted to the side rail with an upper surface of the bottom plate being recessed downwardly relative to an upper surface of the side rail; the plurality of battery packs arranged in the same battery frame are sequentially connected in series, the high-voltage box is electrically connected with two adjacent battery packs in the series connection direction, and the high-voltage box is positioned in the storage grid of the second layer from bottom to top.
8. 8. The energy storage device of claim 6 or 7, wherein both ends of the battery pack are arranged in a width direction of the case, and the electrodes of the battery pack and the inlet and outlet pipes of the heat exchange device are respectively located at both ends of the battery pack.
9. 9. The energy storage device of any one of claims 6-8, wherein the plurality of storage cells in a same cell rack are arranged in a layer column, and a plurality of battery packs arranged in a same layer in a same cell rack are arranged along an arrangement direction of the plurality of cell racks; The host computer of temperature control system with heat transfer device passes through control by temperature change circulation pipeline intercommunication, control by temperature change circulation pipeline includes: The first-stage water supply pipe and the first-stage water return pipe extend along the arrangement direction of the plurality of battery frames and are respectively arranged at the upper end and the lower end of the battery frames; The secondary water supply pipe and the secondary water return pipe extend vertically and are respectively arranged at two sides of the battery frame; the third-stage water supply pipe is connected between the second-stage water supply pipe and the inlet of the heat exchange device corresponding to the adjacent battery pack; The heat exchange devices corresponding to the battery packs arranged in the same battery frame and the same layer are connected through the inter-pack connecting pipe; and the third-stage water return pipe is connected between the second-stage water return pipe and the outlet of the heat exchange device corresponding to the adjacent battery pack.
10. 10. The energy storage device according to any one of claims 1 to 9, wherein the fire deck is provided with an air inlet duct extending in a longitudinal direction of the box body, one end of the air inlet duct being connected to the outside, the other end of the air inlet duct being connected to the battery compartment, the air inlet duct being provided with an air inlet door; The battery compartment is provided with a fan and an exhaust air duct which are communicated, the exhaust air duct is connected with the outside, and an exhaust air door is arranged.
11. 11. The energy storage device of any one of claims 1-10, wherein the fire protection system comprises a gas fire suppression control host and a linked power box, the fire protection sensor comprises at least a portion of a smoke detector, a temperature detector, and a gas detector, and the fire protection performing device comprises a spray pipe and a spray nozzle connected to the gas fire suppression control host.
12. 12. The energy storage device of any of claims 1-11, wherein the first end of the housing along the length is provided with an interaction area, the interaction area being provided with at least part of an interaction panel, a prompting device, an operating device and an interface.
13. 13. The energy storage device of claim 12, wherein the interaction region comprises a first region and a second region arranged from top to bottom; The first area is provided with an interactive panel, a prompting device and a part of operating devices, and/or the second area is provided with a part of operating devices and an inserting port.
14. 14. The energy storage device of claim 13, wherein the energy storage device comprises a housing, The plug interface comprises an alternating current input interface, a communication output interface and a plurality of direct current input/output interfaces, and the alternating current input interface and the communication output interface are arranged above the plurality of direct current input/output interfaces; The operating device arranged in the first area comprises an interface communication switch; the prompting device for indicating the working state of each cabin is arranged above the interaction panel; The interface communication switch is arranged below the interaction panel and used for controlling the communication connection state of the alternating current input interface and the direct current input/output interface; The operation device arranged in the second area comprises a control box and an emergency fire extinguishing operation piece and is positioned above the plug-in port of the second area.
15. 15. An electric vessel comprising an energy storage device according to any one of claims 1-14 for providing electric energy to the electric vessel.
16. 16. The electric vessel according to claim 15, wherein the electric vessel is provided with a battery mounting location, the energy storage device being detachably mounted to the battery mounting location.

Description

Energy storage device and electric ship Technical Field The application relates to the technical field of batteries, and in particular relates to an energy storage device and an electric ship. Background With the rapid development of the lithium battery industry, in the field of electric ships, a power conversion mode is becoming a focus of attention of the industry, and becomes a mainstream recommended scheme of ship charging solutions. Through the mode of changing the electricity, the electric ship can have full grid electric quantity fast without carrying out the traditional charging process, thereby greatly shortening the charging time and improving the utilization rate and the operation efficiency of the electric ship. The power conversion mode is mainly realized by means of a power conversion type energy storage device, but the energy storage device in the related art is unreasonable in structure, poor in reliability and safety, poor in moving convenience and needs to be improved. Disclosure of Invention The application provides an energy storage device and an electric ship, which have reasonable structure and good reliability and safety. In a first aspect, an embodiment of the present application provides an energy storage device, including: the box body forms a battery cabin, a temperature control cabin, a fire cabin and an electric cabin which are separated; the battery compartment is provided with a battery system, a heat exchange device, a fire-fighting sensor and a fire-fighting executing device; The temperature control cabin is provided with a temperature control system, and the temperature control system is connected with the heat exchange device; The fire-fighting cabin is provided with a fire-fighting system, and the fire-fighting system is connected with the fire-fighting sensor and the fire-fighting executing device; The electrical cabin is provided with an electrical system, and the electrical system is electrically connected with the battery system. In the technical scheme, the box body of the energy storage device is arranged to be the separated battery compartment, the temperature control compartment, the fire control compartment and the electric compartment, so that the energy storage device integrates a plurality of functions such as electric storage, temperature control, fire control and electric control, the temperature control, fire control and electric control can be performed on the battery system in the box body of the energy storage device, the safety and reliability of the energy storage device are improved, meanwhile, the compartments are mutually independent, the functional devices are isolated from the electric compartment, and the occurrence risk of harm caused when the battery system is reduced. In some embodiments, the battery compartment is separated from other adjacent compartments by a fire-resistant material, and adjacent ones of the temperature-controlled compartment, the fire-fighting compartment, and the electrical compartment are separated by a non-flammable material. In some embodiments, the temperature control cabin, the fire control cabin and the electrical cabin are arranged at one end of the box in the length direction along the width direction of the box, and the temperature control cabin, the fire control cabin and the electrical cabin are all arranged with the battery cabin along the length direction of the box. In some embodiments, the temperature-controlled compartment, the fire-fighting compartment, and the electrical compartment are arranged sequentially along a width direction of the tank. In some embodiments, a fireproof partition plate is arranged between the battery compartment and the temperature control compartment, between the battery compartment and the fire control compartment and between the battery compartment and the fire control compartment, and between the battery compartment and the fire control compartment are arranged, and a plurality of sealed through-compartment members are arranged on the fireproof partition plate and are used for communicating the battery compartment with another adjacent compartment so as to enable cables or pipelines in the battery compartment and the other adjacent compartment to penetrate. In some embodiments, the battery system comprises a plurality of battery racks, wherein the battery racks are provided with a plurality of storage grids, each storage grid is used for arranging a high-voltage box or a battery pack, and the plurality of battery packs in the same battery rack are connected with a bus cable through the high-voltage box, and the bus cable is electrically connected with the electrical system. In some embodiments, the tank includes a side rail and a bottom plate connected, the bottom plate is mounted to the side rail, and an upper surface of the bottom plate is recessed downward relative to an upper surface of the side rail; the plurality of battery packs arranged in the same battery frame are se