EP-4465425-B1 - FULLY-SUBMERGED ENERGY STORAGE DEVICE

EP4465425B1EP 4465425 B1EP4465425 B1EP 4465425B1EP-4465425-B1

Inventors

WANG, ZHIQIANG
PENG, CHENG
ZHANG, MIN
WU, BIN
WANG, Linwei
LIN, QIHUA
ZHENG, Xiaodong
WENG, Zheng
ZHAO, Saohuan
ZOU, Lunsen
DONG, CHAO
LIU, Bangjin
WANG, SHENG
WANG, JIN
XIAO, DI
CHEN, MAN
PENG, Yumin
ZHOU, Yueli

Dates

Publication Date: 20260506
Application Date: 20230815

Claims (11)

A fully immersed energy storage device, comprising an energy storage device casing (10) and a water pump (32); wherein, an insulation box (11) is fixedly mounted inside the energy storage device casing (10), an assembly plate (12) is fixedly mounted on the insulation box (11), a mounting platform (13) is fixedly mounted on the assembly plate (12), an annular rack (14) is movably mounted on the assembly plate (12) and surrounds the mounting platform (13), a rotating groove (15) is formed between the mounting platform (13) and the annular rack (14), balls (16) are movably placed in the rotating groove (15), an assembly block (17) is fixedly mounted on the mounting platform (13), a rotating shaft (18) is movably mounted on the assembly block (17), one end of the rotating shaft is(18) is fixedly provided with a gear (19), the gear (19) and the annular rack (14) are assembled through tooth meshing, the other end of the rotating shaft (18) is movably connected with one end of a first assembly rod (20), the other end of the first assembly rod (20) is movably connected with one end of a second assembly rod (23), the other end of the second assembly rod (23) is movably connected with a fixed block (24), the fixed block (24) is movably connected with an energy storage box (25), an energy storage battery pack (26) is mounted inside the energy storage box (25), a spring slot (27) is fixedly provided on the energy storage box (25), a spring (28) is fixedly received in the spring slot (27), the other end of the spring (28) is fixedly connected to a buckle (29), a buckle block (30)is fixedly mounted on the energy storage box (25), a buckle slot (31) is defined in the buckle block (30), the buckle (29) is received in the buckle slot (31), a motor base (21) is fixedly mounted on the energy storage device casing (10), a first motor (22) is fixedly mounted on the motor base (21), and an output end of the first motor (22) is fixedly assembled with the gear (19), such that the first motor (22) is capable of driving the gear (19) to rotate, which in turn drives the first assembly rod (20) to move through the rotating shaft (18), such that relative movement of the first assembly rod (20) and the second assembly rod (23) drives the energy storage box (25) to move up and down.
The fully immersed energy storage device according to claim 1, wherein one end of the water pump (32) is fixedly equipped with a water inlet pipe (33), a diverter (34) is fixedly mounted inside the energy storage device casing (10), and the water inlet pipe (33) passes through the energy storage device casing (10) and is fixedly assembled with the diverter (34).
The fully immersed energy storage device according to claim 2, wherein a second motor (35) is fixedly mounted inside the diverter (34), an output end of the second motor (35) is fixedly connected with a screw rod (36), and the screw rod (36) is movably equipped with a movable cover (37), wherein the screw rod (36) and the movable cover (37) are engaged in a threaded manner, such that when the second motor (35) is started to drive the screw rod (36) to rotate, the movable cover (37) is moved up and down along the screw rod (36).
The fully immersed energy storage device according to claim 3, wherein one end of a first diverter pipe (38) is fixedly connected to the diverter (34), the other end of the first diverter pipe (38) is fixedly equipped with a condensation plate (39), and condensation pipes (40) are fixedly mounted inside the condensation plate (39).
The fully immersed energy storage device according to claim 4, wherein the condensation plate (39) is fixedly equipped with a return pipe (41), and the return pipe (41) is fixedly connected with a collector (42).
The fully immersed energy storage device according to claim 5, wherein one end of a second diverter pipe (43) is fixedly connected with the diverter (34), and the other end of the second diverter pipe (43) is fixedly connected with the collector (42).
The fully immersed energy storage device according to claim 6, wherein the collector (42) is fixedly connected with a water outlet pipe (44), and the water outlet pipe (44) passes through the energy storage device casing (10).
The fully immersed energy storage device according to claim 7, further comprising three additional gears, each of which engages with the annular rack (14) through tooth meshing and is connected to one rotating shaft.
A method for controlling a fully immersed energy storage device, which is configured to control a fully immersed energy storage device according to any one of claims 3 to 7, and the method comprises: in response to a first control signal, starting the first motor (22) to drive the gear (19) to rotate, which in turn drives the annular rack (14) to rotate; wherein a rotation of the gear (19) drives the first assembly rod (20) to move via the rotating shaft (18), the first assembly rod (20) moves and forms relative motion with the second assembly rod (23), causing the energy storage box (25) to move up and down; in response to a second control signal, pressing the buckle (29) to cooperate with the spring (28) to open or close the energy storage box (25); in response to a third control signal, starting the water pump (32) to introduce water into the fully immersed energy storage device through the water inlet pipe (33); when a temperature is greater than a first temperature threshold, in response to a fourth control signal, starting the second motor (35) to drive the screw rod (36) to rotate; wherein when the screw rod (36) rotates, the movable cover (37) is moved to a top of the second motor (35) through a threaded engagement between the screw rod (36) and the movable cover (37); when the temperature is greater than a second temperature threshold, in response to a fifth control signal, starting the second motor (35) to drive the screw rod (36) to rotate; wherein when the screw rod (36) rotates, the movable cover (37) is moved to a bottom of the second motor (35) through the threaded engagement between the screw rod (36) and the movable cover (37); and the second temperature threshold is greater than the first temperature threshold.
The method for controlling a fully immersed energy storage device according to claim 9, wherein the method further comprises: in response to a sixth control signal, starting the water pump (32) to discharge water in the fully immersed energy storage device through the water outlet pipe (44).
The method for controlling a fully immersed energy storage device according to claim 9, wherein the fully immersed energy storage device further comprises three additional gears (19); and the starting the first motor (22) in response to the first control signal to drive the gear (19) to rotate, which in turn drives the annular rack (14) to rotate, comprises: in response to the first control signal, starting the first motor (22) to drive the gear (19) to rotate, which in turn drives the annular rack (14) to rotate, wherein when the annular rack (14) rotates, the three additional gears (19) are driven to rotate simultaneously.

Description

TECHNICAL FIELD The present disclosure relates to the technical field of energy storage devices, and particularly to a fully immersed energy storage device. BACKGROUND An energy storage device refers to an electrical energy storage device, such as a battery or battery pack, that stores electrical energy. It can store and output the electrical energy in the battery or battery pack. During the process of energy conversion, heat is generated, which may cause damage to the energy storage device. In addition, temperature changes will also affect the storage and output of electrical energy and directly affect the working life and efficiency of the battery or battery pack, resulting in a decrease in the energy storage efficiency of the battery pack due to frequent charging and discharging during long-term use, which in turn causes a gradual decrease in the subsequent energy storage capacity of the battery pack. A fully immersed energy storage device is known from CN111816951A. SUMMARY In view of this, the embodiments of the present disclosure provide a fully immersed energy storage device according to the features of claim 1. In some embodiments, one end of the water pump is fixedly equipped with a water inlet pipe, a diverter is fixedly mounted inside the energy storage device casing, and the water inlet pipe passes through the energy storage device casing and is fixedly assembled with the diverter. In some embodiments, a second motor is fixedly mounted inside the diverter, an output end of the second motor is fixedly connected with a screw rod, and the screw rod is movably equipped with a movable cover. The screw rod and the movable cover are engaged in a threaded manner, such that when the second motor is started to drive the screw rod to rotate, the movable cover is moved up and down along the screw rod. In some embodiments, one end of a first diverter pipe is fixedly connected to the diverter, the other end of the first diverter pipe is fixedly equipped with a condensation plate, and condensation pipes are fixedly mounted inside the condensation plate. In some embodiments, the condensation plate is fixedly equipped with a return pipe, and the return pipe is fixedly connected with a collector. In some embodiments, one end of a second diverter pipe is fixedly connected with the diverter, and the other end of the second diverter pipe is fixedly connected with the collector. In another aspect, the embodiments of the present disclosure also provide a method for controlling a fully immersed energy storage device, which is configured to the above-mentioned fully immersed energy storage device according to the features of claim 9. In some embodiments, the method further includes: In response to a sixth control signal, the water pump is started to discharge the water in the fully submerged energy storage device through the water outlet pipe. In some embodiments, the fully immersed energy storage device also includes three additional gears. Starting the first motor in response to the first control signal to drive the gear to rotate, which in turn drives the annular rack to rotate includes: in response to the first control signal, starting the first motor to drive the gear to rotate, which in turn drives the annular rack to rotate, wherein when the annular rack rotates, the three additional gears are driven to rotate simultaneously. In another aspect, the embodiments of the present disclosure also provide an electronic device, including a processor and a memory. The memory is configured to store programs. The processor executes the program to perform the above method. In another aspect, the embodiments of the present disclosure also provide a non-transitory computer-readable storage medium. The storage medium stores a program, and the program is executed by a processor to implement the above method. Some embodiments of the present disclosure also provide a computer program product or computer program. The computer program product or computer program includes computer instructions, and the computer instructions are stored in a computer-readable storage medium. The processor of the computer device can read the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the above method. BRIEF DESCRIPTION OF THE DRAWINGS In order to illustrate the technical solutions of the embodiments of the present disclosure more clear, a brief introduction will be made to the accompanying drawings that are required for describing the embodiments. It is apparent that the accompanying drawings are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained from these drawings without creative efforts. FIG. 1 is a schematic front view of a structure of a fully immersed energy storage device in the present disclosure;FIG. 2 is a schematic diagram showing a structure at location A in FIG