CN218677439U - High-capacity high-strength energy storage box - Google Patents

Abstract

The utility model discloses a high capacity high strength energy storage box belongs to new energy automobile energy storage technical field. The utility model comprises a box body frame and a liquid cooling plate fixedly connected with the bottom of the box body frame, wherein the box body frame is enclosed by a frame plate and a step plate after being connected, and after the bottom of the box body frame is fixedly connected with a flat liquid cooling plate, an inner cavity for accommodating a battery module is formed above the liquid cooling plate; the inner cavity is divided into two parts by a partition plate, and the partition management is carried out by matching the cooling efficiency of different areas of a water inlet area and a water outlet area of the liquid cooling plate; the end of the partition board is provided with a lap joint opening matched with the shape of the step plate and is lapped on the step plate through the lap joint opening. The ladder board that increases makes more balanced when the battery module installation, can hold multiunit battery module simultaneously, makes the cavity space increase in the box frame, and then has improved battery module capacity.

Description

High-capacity high-strength energy storage box

Technical Field

The utility model belongs to the technical field of the new energy automobile energy storage, more specifically say, relate to a high capacity high strength energy storage box.

Background

The new energy electric automobile is driven by a motor to run by taking a vehicle-mounted power supply as power. The system is widely used due to the characteristics of environmental protection, safety, high cost performance, low vehicle purchasing cost, high value retention rate and the like. Electric energy is the main energy of new energy automobile, and in the new energy field, new energy automobile uses more and more extensively along with the trend of modern development, and the weight of new energy battery box frame aggravates along with the increase of battery, and current new energy battery box frame is all through lightening box frame self weight to solve the weight problem. New energy automobile battery box frame is the aluminium part, and the aluminium part texture is softer, and most bearing effect is not good, and the quantity of battery module is too much to lead to installing battery module after, and battery box frame warp the extrusion, causes the harm to the battery module, has increased certain danger to the driver who drives new energy automobile.

With the wider and wider use of new energy vehicles, the range of cooling modes available for the power battery system of the new energy vehicle is also severely narrowed. The air cooling system is excluded from the application range of passenger cars, and the water cooling system is the mainstream. In the power battery system, the battery works to generate redundant heat, and the heat is transferred in a mode of contacting the surface of the plate-type aluminum device through the battery or the module and is finally taken away by cooling liquid passing through an internal flow channel of the device. This plate type aluminum device is a liquid-cooled plate. In the power battery system, the batteries work to generate redundant heat, and the heat is transferred in a mode of contacting the surfaces of the batteries or the modules and the plate-type aluminum device and is finally taken away by cooling liquid passing through an internal flow channel of the device. The liquid cooling system utilizes the characteristic of larger heat exchange coefficient of liquid flow and transfers high heat by means of liquid flow, is one of the most effective heat dissipation modes at present, can dissipate heat from hundreds of watts to more than kilowatts, and is divided into a cavity type liquid cooling plate, a pressure tube type liquid cooling plate, a friction type liquid cooling plate, a vacuum brazing type liquid cooling plate and an aluminum extrusion type liquid cooling plate at present. The cooling liquid is carried through the multichannel to present battery case in the aspect of the heat dissipation mostly and is circulated, makes the cooling liquid inhomogeneous that distributes in the aqua storage tank like this, and the radiating effect reduces, and shell structure's reason can only hold a small number of battery module when installing battery module simultaneously, and battery module assembles also troublesome. The liquid cooling plate is mainly used for high-heating sources such as IGBTs, batteries and chips, and is used for cooling the high-heating sources through heat exchange of antifreeze liquid flowing in the inner flow channel, and the cooling surface of the liquid cooling plate is required to be smooth so as to be attached to the high-heating sources. In order to improve the cooling efficiency, the area of the liquid cooling plate is often larger and larger, but the heat dissipation is also uneven, so that the local heat dissipation efficiency is reduced.

Along with the improvement of the requirement on the cruising ability of the new energy automobile, the whole energy storage box body needs to increase the number of battery modules in the box body accommodating cavity as much as possible in order to improve the energy storage capacity, but along with the increase of the number of the modules, the bearing of the box body frame of aluminum is limited, and in addition, the imbalance of the liquid cooling plate battery heat management can be caused.

Through the retrieval, chinese patent application No. 202220657168. X's application, published day 2022.10.28 discloses a battery box, the battery box includes frame and bearing component, the frame encloses into the installing zone that link up from top to bottom, bearing component establishes the bottom of installing zone, bearing component includes a plurality of spandrels, the spandrel girder with the frame links to each other, the spandrel girder with between the frame and/or adjacent form the intercommunication between the spandrel girder installing zone and external intercommunicating pore, this utility model's battery box bearing capacity is strong, but has taken the space of installing zone, can reduce battery module's installation capacity.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

In the battery heat management of current new energy automobile energy storage box, the problem that the reduction that liquid cooling face area increases and leads to its local radiating efficiency influences battery capacity, the utility model provides a high capacity high strength energy storage box carries out differentiation partition through the subregion to the cooling efficiency in the half district of intaking and the half district of play water to reach the radiating technological effect of whole even high efficiency, improved battery module capacity.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model discloses a high capacity high strength energy storage box, including box frame and the liquid cooling board of fixed connection in the box frame bottom, the box frame surrounds after being connected by frame plate and ladder board and forms, after the bottom of box frame and the liquid cooling board fixed connection of putting flatly, forms the inner chamber that holds the battery module above the liquid cooling board; the inner cavity is divided into two parts by a partition plate, and the partition management is carried out by matching the cooling efficiency of different areas of a water inlet area and a water outlet area of the liquid cooling plate; the tip of baffle is provided with the overlap joint mouth that agrees with the notch cuttlefish shape to through overlap joint mouth overlap joint on the notch cuttlefish board, use the notch cuttlefish board can be at the inboard line passageway of walking that forms battery module of frame structure, avoid walking the line unsettled and lead to the line body virtual joint. The ladder board that increases makes more balanced when the battery module installation, can hold multiunit battery module simultaneously, makes the cavity space increase in the box frame, and then has improved battery module capacity.

Furthermore, the liquid cooling plate comprises a runner plate and a flow leveling plate which covers the runner plate completely and is fixedly connected together, the runner plate is of an integral concave surface structure, a runner molding edge ring is arranged at the edge close to the runner plate, a middle division area which is wound in a shape like a Chinese character 'ji' is formed in the middle of the runner molding edge ring, and the middle division area is divided into a water inlet half area and a water outlet half area; the water inlet half-area and the water outlet half-area form an integrally circulating liquid flow channel through a plurality of flow channel modeling inner rings, the flow channel modeling inner rings can be set to be different in shape, and the water inlet half-area and the water outlet half-area are divided in a differentiation mode so that the liquid temperatures of the water inlet half-area and the water outlet half-area are balanced as far as possible, and therefore the purpose of overall uniform and efficient heat dissipation management is achieved.

Furthermore, the water inlet half-area and the water outlet half-area are divided into an upper part and a lower part through a transverse flow channel modeling separation ring, and further differentiated division is carried out, so that the liquid in the liquid flow channel can be uniformly and efficiently radiated as much as possible.

Furthermore, the right ends of the lower water inlet half area and the upper water outlet half area are both provided with protruding ends, and a flow channel protruding ring matched with the shape of the protruding ends is arranged inside the protruding ends close to the lower water inlet half area, so that the purpose of bidirectional flow distribution is achieved; the right end of the flow channel modeling separation ring in the water outlet half area forms a convex shape matched with the convex end of the upper water outlet half area, and the purpose of bidirectional confluence is achieved.

Furthermore, a flow channel modeling square ring is arranged in the water inlet half area, the area of the flow channel modeling square ring is generally larger than that of the flow channel modeling inner ring, and liquid in the water inlet half area flows to the water outlet half area as fast as possible.

Furthermore, the periphery of the runner molding edge ring, the runner molding square ring and the runner convex ring are also internally provided with exhaust holes, so that the function of buffering the stress caused by expansion with heat and contraction with cold is achieved, the poor thermal contact caused by bubbles is avoided, and the thermal management effect of the liquid cooling plate is effectively improved.

Furthermore, a bearing structure is fixed on the bottom surface of the liquid cooling plate; the bearing structure comprises a bearing plate and wing plates formed by extending the bearing plate to two sides, and the bearing plate and the wing plates on the two sides form a convex plate arch shape; the bearing structure is fixed on the bottom surface of the liquid cooling plate through the wing plates, the purpose of bearing is achieved while the installation of the battery module in the energy storage box body is not influenced, the bearing plate and the wing plates form a convex plate arch shape, the bearing force of the shell is distributed and relieved, and the technical effect of heat dissipation of the box body can be achieved.

Furthermore, the bearing structures are uniformly arranged on the bottom surface of the liquid cooling plate to uniformly share the whole weight of the energy storage box body; the wing plate is provided with the fixed slot in length direction, forms unsettled hunch-up between per two fixed slots for the wing plate is in the distributed power of unloading of the ascending bearing capacity of length direction, also can reach the radiating technological effect of box.

Furthermore, a fixing hole which is matched with the fixing piece to fix the bearing structure on the bottom surface of the liquid cooling plate is reserved on the fixing groove, so that the fixing is convenient; the connection part of the fixed groove and the suspended arch is in arc transition, so that the effect of buffering bearing force is achieved.

Furthermore, the connection part of the fixed groove and the suspended arch is in arc transition; the bearing plate is a transverse corrugated plate, and the effect of buffering thermal stress can be achieved while the force is unloaded in a distributed manner.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) In the high-capacity high-strength energy storage box body, the water inlet half area and the water outlet half area are divided in a differentiated mode through the inner rings of the plurality of flow channel models, so that the liquid temperatures of the water inlet half area and the water outlet half area are balanced as much as possible, and the purpose of uniform and efficient heat dissipation of the whole body is achieved; the right ends of the lower water inlet half-area and the upper water outlet half-area are both convex ends, so that the effects of bidirectional flow distribution and bidirectional flow convergence are achieved respectively; the exhaust holes of the edge ring are molded around the flow channel, so that the function of buffering the stress of expansion with heat and contraction with cold is achieved, poor thermal contact caused by bubbles is avoided, and the thermal management effect of the liquid cooling plate is effectively improved; the increased step plate enables the battery modules to be more balanced during installation, and can accommodate a plurality of groups of battery modules, so that the cavity space in the box frame is enlarged, and the capacity of the battery modules is further improved;

(2) The utility model discloses a high capacity high strength energy storage box to alleviate the bearing capacity of box casing better, make the casing intracavity can place a plurality of battery module groups simultaneously, and it is also convenient to install bearing structure, bearing structure passes through the bearing plate arch form, make the bearing capacity dispersion of casing unload the power, can prevent the casing damage better, bearing plate simple to operate simultaneously, the effectual battery casing that has realized can not influence battery casing hardness simultaneously under the condition of not reducing the battery module group, make the car can better operate, the efficiency of car operation is higher, simultaneously safer, and can prevent the battery module group better from bearing the condition that too much battery leads to the casing to warp;

(3) The bearing plate is the transverse corrugated plate, so that the high-capacity high-strength energy storage box body can achieve the effect of buffering thermal stress while dispersing force unloading; the inner cavity of the box body is divided into at least two parts by the baffle plate, so that two rows of even multiple rows of symmetrical battery modules can be accommodated at least by matching with the use of the bearing structure, and the energy storage effect is enhanced.

Drawings

Fig. 1 is a schematic structural view of the high-capacity high-strength energy storage box of the present invention after being disassembled;

fig. 2 is a schematic structural view of the liquid cooling plate of the present invention after being disassembled;

fig. 3 is a schematic structural view of the flow channel plate of the present invention;

fig. 4 is a schematic diagram of a liquid cooling plate back structure in the present invention;

FIG. 5 is a schematic view of the load-bearing structure of the present invention;

figure 6 is a side view of the load bearing structure of the present invention;

fig. 7 is a side view of fig. 6.

In the figure: 1. a box frame; 2. a liquid-cooled plate; 3. a partition plate; 4. a fixing member; 6. a load bearing structure;

11. a frame plate; 12. a step plate;

21. a water inlet nozzle; 22. a water outlet nozzle; 23. a flow flattening plate; 24. a fixing buckle; 25. a runner plate;

31. a lap joint opening; 61. a bearing plate; 62. a wing plate; 63. suspended arching; 64. a fixing groove; 65. a fixing hole;

250. molding a side ring by the flow channel; 251. a water inlet half zone; 252. a water outlet half zone; 253. a water inlet convex flow channel; 254. a water outlet convex flow channel; 255. modeling an inner ring by a flow channel; 256. a liquid flow passage; 257. a flow channel convex ring; 258. an exhaust hole; 259. molding a square ring in the flow channel; 260. a flow channel modeling separation ring; 270. and (4) middle partition.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

The high-capacity high-strength energy storage box body comprises a box body frame 1 and a liquid cooling plate 2 fixedly connected to the bottom of the box body frame 1, wherein the box body frame 1 is formed by connecting and enclosing frame plates 11 and step plates 12, when the box body frame 1 is square, the box body frame is formed by fixedly connecting and enclosing two frame plates 11 and two step plates 12 which are arranged oppositely, and after the bottom of the box body frame 1 is fixedly connected with the horizontally arranged liquid cooling plate 2, an inner cavity for accommodating a battery module is formed above the liquid cooling plate 2; the inner cavity is divided into two parts by a partition plate 3, the two parts are generally divided, the cooling efficiency of different positions of a water inlet area and a water outlet area of the liquid cooling plate 2 is matched to perform zone management, and batteries of different modules are distributed according to the cooling efficiency; in order to match different cooling efficiencies of the liquid cooling plate 2, of course, the inner cavity can be divided into multiple regions by using a plurality of partition plates 3 and step plates 12, so that the technical effect of overall uniform heat dissipation and efficient positioning management is achieved, and the blade battery cooling device is particularly suitable for blade batteries assembled in a modularized mode; the tip of baffle 3 is provided with the overlap joint mouth 31 that agrees with the ladder board 12 shape to through overlap joint mouth 31 overlap joint on ladder board 12, use ladder board 12 can be at the inboard line passageway of walking of the inboard formation battery module of frame structure of box frame 1, avoid walking the line unsettled and lead to the line body virtual joint. The lap joint mode can make the assembly simple high-efficient. The two ends of the stepped plate 12 can also be slidably connected to the inner wall of the frame plate 11 to adapt to the assembly of battery modules with different specifications. The step plate 12 that increases makes more balanced when the battery module installation, can hold the multiunit battery module simultaneously, makes the cavity space increase in the box frame 1, and then has improved battery module capacity.

As shown in fig. 2, the liquid cooling plate 2 in the energy storage box body includes a runner plate 25 and a advection plate 23 which covers the runner plate 25 completely and then is fixedly connected together, the runner plate 25 is of an integral concave structure, a runner molding rim 250 is provided near the edge of the runner plate 25, a middle partition 270 which is wound in a zigzag shape is formed in the middle of the runner molding rim 250, and the runner molding rim is divided into a water inlet half-area 251 and a water outlet half-area 252 through the middle partition 270; the water inlet half-area 251 and the water outlet half-area 252 both form an integrally circulating liquid flow channel 256 through a plurality of flow channel modeling inner rings 255, the flow channel modeling inner rings 255 can be set to be different in shape, and the water inlet half-area 251 and the water outlet half-area 252 are divided in a differentiation mode, so that the liquid temperatures of the water inlet half-area 251 and the water outlet half-area 252 are balanced as far as possible, and the purpose of integral uniform and efficient heat dissipation management is achieved.

As shown in fig. 3, the water inlet half-area 251 and the water outlet half-area 252 can be divided into an upper part and a lower part by a transverse flow channel molding dividing ring 260, and the upper part and the lower part are arranged in cooperation with the division of the inner cavity of the battery module to further perform differentiation division, so that the liquid in the liquid flow channel 256 can be uniformly and efficiently cooled as much as possible. The right ends of the lower water inlet half-area 251 and the upper water outlet half-area 252 are both convex ends, a flow channel convex ring 257 matched with the shape of the convex ends is arranged inside the convex end close to the lower water inlet half-area 251, a liquid flow channel 256 forms a water inlet convex flow channel 253, and the water inlet nozzle 21 feeds water into the water inlet convex flow channel 253 to achieve the purpose of bidirectional flow distribution; the right end of the flow channel modeling separating ring 260 in the water outlet half area 252 forms a convex shape matched with the convex end of the upper water outlet half area 252, the flow channel modeling separating ring 260 is upwards provided with a turning type bulge, a liquid flow channel 256 forms a water outlet convex flow channel 254, and the water outlet nozzle 22 discharges water from the water outlet convex flow channel 254, so that the purpose of bidirectional confluence is achieved. The water inlet half-area 251 is also provided with a runner molding square ring 259, and the area of the runner molding square ring 259 is generally larger than that of the runner molding inner ring 255, so that the liquid in the water inlet half-area 251 flows to the water outlet half-area 252 as fast as possible. The periphery of the runner molding edge ring 250, the runner molding square ring 259 and the runner convex ring 257 are also internally provided with exhaust holes 258, so that the effect of buffering thermal expansion and cold contraction stress is achieved, poor thermal contact caused by bubbles is avoided, the thermal management effect of the liquid cooling plate 2 is effectively improved, and the possibility of improving the capacity of the battery module is improved.

Example 2

The basic structure of the high-capacity high-strength energy storage box body of the embodiment is the same as that of the embodiment 1, and the difference or improvement lies in that: as shown in fig. 4, 5 and 6, a load-bearing structure 6 is fixed on the bottom surface of the liquid cooling plate 2; the bearing structure 6 comprises a bearing plate 61 and wing plates 62 formed by extending the bearing plate 61 to two sides, wherein the bearing plate 61 and the wing plates 62 on the two sides form a convex plate arch shape; the bearing structure 6 is fixed on the bottom surface of the liquid cooling plate 2 through the wing plates 62, the purpose of bearing is achieved while the installation of a battery module in the energy storage box body is not influenced, the bearing plate 61 and the wing plates 62 form a convex plate arch shape, the bearing force of the box body frame 1 is distributed and relieved, and the technical effect of box body heat dissipation can be achieved. The bearing structures 6 are uniformly arranged on the bottom surface of the liquid cooling plate 2 to uniformly share the whole weight of the energy storage box body; the wing plate 62 is provided with fixing grooves 64 in the length direction, which are generally uniformly arranged or arranged at fixed intervals, for example, every 5, 10, 15 or 20 cm; a suspension arch 63 is formed between every two fixing grooves 64, so that the bearing force of the wing plates 62 in the length direction is distributed and the technical effect of heat dissipation of the box body can be achieved. A fixing hole 65 which is matched with the fixing piece 4 to fix the bearing structure 6 on the bottom surface of the liquid cooling plate 2 is reserved on the fixing groove 64, so that the fixing is convenient, and the fixing piece 4 generally refers to a screw which is matched and fixed with the fixing hole 65; the connection part of the fixed groove 64 and the suspended arch 63 is in arc transition, so that the effect of buffering bearing force is achieved. As shown in fig. 7, bearing plate 61 is horizontal buckled plate, when distributed the power of unloading, can also reach the effect of buffering thermal stress, the ripple direction of buckled plate can also be for horizontal vertical, the convenient also pterygoid lamina 62 seamless connection of horizontal buckled plate, when distributed the power of unloading, can also reach the effect of buffering thermal stress, when avoiding expending with heat and contract with cold, strain pterygoid lamina 62, in order to improve box intensity, and can prevent the box damage better, bearing plate 61 simple to operate simultaneously, the effectual battery box that has realized can not influence battery case hardness again under the condition that does not reduce the battery module simultaneously, make the car can operate better, the efficiency of car operation is higher, simultaneously safety more, and can prevent better that the battery module from bearing the too much battery and lead to the condition that the box warp.

The high capacity high strength energy storage box of this embodiment, during the assembly, box frame 1 and liquid cold plate 2 pass through between the FDS fixed, arrange the battery module in proper order and install in box frame 1 inner chamber, through notch board 12 and liquid cold plate 2 bellying, make the more stable of battery module installation, it is more convenient to make the battery module fixed simultaneously, can install multiunit battery module, again through getting into liquid runner 256 with coolant liquid from water inlet nozzle 21, through liquid runner 256 even flow, make the interior coolant liquid that spreads of liquid cold plate 2, cool off the battery module, simultaneously, faucet 22 carries out the coolant liquid out, through the water tank, make the coolant liquid at liquid runner 256 inner loop, the effectual battery module that has realized can the multiunit installation, and the production efficiency is improved, make the battery module installation more convenient simultaneously, make the battery module fixed more firm, make box frame 1 inner chamber space strengthen simultaneously, water inlet nozzle 21 and faucet 22 have added fixed knot 24, in case prevent that the sealing-off water pipe is not hard up, make it fix more firm.

The high-capacity high-strength energy storage box body of this embodiment has compromise the high-efficient of battery module heat dissipation thermal management in the box of embodiment 1 and the high strength of box in this implementation, and the radiating efficiency is high and intensity is high, then lays a good foundation for holding high-capacity battery module in the box, also when improving endurance as far as for new forms of energy electric automobile, has reduced the safety risk.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the present invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solutions, but shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a high capacity high strength energy storage box, includes liquid cooling board (2) of box frame (1) and fixed connection in box frame (1) bottom, its characterized in that: the box body frame (1) is formed by connecting and enclosing a frame plate (11) and a step plate (12), after the bottom of the box body frame (1) is fixedly connected with a horizontally arranged liquid cooling plate (2), an inner cavity for accommodating the battery module is formed above the liquid cooling plate (2); the inner cavity is divided by a partition plate (3); the end of the partition board (3) is provided with a lapping port (31) matched with the shape of the step plate (12) and is lapped on the step plate (12) through the lapping port (31).

2. The high capacity high strength energy storage tank of claim 1, wherein: the liquid cooling plate (2) comprises a runner plate (25) and a horizontal flow plate (23) which covers the runner plate (25) completely and then is fixedly connected together, the runner plate (25) is of an integral concave structure, a runner molding edge ring (250) is arranged close to the edge of the runner plate (25), a middle partition area (270) which is wound in a zigzag shape is formed in the middle of the runner molding edge ring (250), and the runner molding edge ring is divided into a water inlet half area (251) and a water outlet half area (252) through the middle partition area (270); the water inlet half-area (251) and the water outlet half-area (252) form an integrally circulating liquid flow channel (256) through a plurality of flow channel modeling inner rings (255).

3. The high capacity high strength energy storage tank of claim 2, wherein: the water inlet half-area (251) and the water outlet half-area (252) are also divided into an upper part and a lower part by a transverse flow passage modeling separation ring (260).

4. The high capacity high strength energy storage tank of claim 3, wherein: the right ends of the lower water inlet half-area (251) and the upper water outlet half-area (252) are both convex ends, and a flow channel convex ring (257) matched with the shape of the convex ends is arranged inside the convex ends close to the lower water inlet half-area (251); the right end of the flow channel modeling separation ring (260) in the water outlet half area (252) forms a convex shape matched with the convex end of the water outlet half area (252) at the upper part.

5. The high capacity high strength energy storage tank of claim 3, wherein: a flow channel modeling square ring (259) is also arranged in the water inlet half-area (251).

6. The high capacity high strength energy storage tank of claim 3, wherein: and exhaust holes (258) are also formed in the periphery of the flow channel modeling edge ring (250), the flow channel modeling square ring (259) and the flow channel convex ring (257).

7. A high capacity high strength energy storage tank as claimed in any one of claims 1 to 6, wherein: a bearing structure (6) is fixed on the bottom surface of the liquid cooling plate (2); the bearing structure (6) comprises a bearing plate (61) and wing plates (62) formed by extending the bearing plate (61) to two sides, and the bearing plate (61) and the wing plates (62) on the two sides form a convex plate arch shape; the load-bearing structure (6) is fixed to the bottom surface of the liquid-cooled panel (2) by means of its wings (62).

8. The high capacity, high strength energy storage tank of claim 7, wherein: the bearing structures (6) are uniformly arranged on the bottom surface of the liquid cooling plate (2); the wing plates (62) are provided with fixing grooves (64) in the length direction, and suspended arches (63) are formed between every two fixing grooves (64).

9. The high capacity, high strength energy storage tank of claim 8, wherein: and a fixing hole (65) which is matched with the fixing piece (4) to fix the bearing structure (6) on the bottom surface of the liquid cooling plate (2) is reserved on the fixing groove (64).

10. The high capacity, high strength energy storage tank of claim 8, wherein: the joint of the fixed groove (64) and the suspended arch (63) is in arc transition; the bearing plate (61) is a transverse corrugated plate.

Images