CN115832894B - Power storage device for distributed energy system - Google Patents

Abstract

The invention relates to the technical field of distributed energy power storage, and discloses a power storage device for a distributed energy system, which comprises a first power box and a temperature protection structure in the first power box, wherein the temperature protection structure comprises a silica gel plate, an aluminum plate, a diversion channel, a first port and a second port, the silica gel plate is used for being attached to the inner wall of the first power box, and the aluminum plate is arranged on the inner side of the silica gel plate. The first power box and the second power box form a combined connection mode, the electric conduction and temperature conduction structures of the first power box and the second power box are installed in a combined arrangement mode, components with two functions can be additionally arranged along with the installation of the first power box and the second power box, the heat conduction plate layers and the temperature conduction structures are of a shared structure, the support state of the internal structure of the device can be greatly adapted, the combined installation effect is realized for the installation of the first power box and the second power box, the installation and use modes are flexible, and the device can be suitable for the installation and the combined use in various environments.

Description

Power storage device for distributed energy system

Technical Field

The invention relates to the technical field of distributed energy power storage, in particular to a power storage device for a distributed energy system.

Background

The distributed energy system is compared with the traditional centralized energy system, the traditional centralized energy system adopts high-capacity equipment and centralized production, and then various energies are conveyed to a plurality of users in a large range through special conveying facilities (large power grids, large heat supply networks and the like); the distributed energy system is directly oriented to users, and can produce and supply energy on site according to the demands of the users, so that the distributed energy system has multiple functions and can meet the requirements of medium-and small-sized energy conversion and utilization systems of multiple targets.

After the power storage device is subjected to extremely low temperature interference, the activity of electrons is reduced, the storage and the retraction of the power of the device are affected, and the internal structure is also adversely affected due to the overhigh temperature.

Disclosure of Invention

The invention provides a power storage device for a distributed energy system, which has the beneficial effects of low temperature and high temperature protection, and solves the problems that the power storage device in the background art can cause the reduction of the activity of electrons after being subjected to extremely low temperature interference, the storage and the retraction of the power of the device are affected, and the internal structure is also caused to have adverse effects due to the overhigh temperature.

The invention provides the following technical scheme: the utility model provides a distributed energy system is with electric power storage device, includes the temperature protection structure in first electric power case and the first electric power case, temperature protection structure includes silica gel board, aluminum plate, water conservancy diversion passageway, first port and second port, the silica gel board is used for the laminating to be installed at the inner wall of first electric power case, aluminum plate is installed to the inboard of silica gel board, aluminum plate's inside is equipped with the water conservancy diversion passageway, silica gel board and aluminum plate are constituteed by trilateral panel, aluminum plate is curved shape state and sets up in aluminum plate's inside, the first port that is located the heat conduction cavity one end is installed to the one end of water conservancy diversion passageway, the second port that is located silica gel board one end is installed to the other end of water conservancy diversion passageway.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the inside of first electric power case still installs insulating heat conduction structure, insulating heat conduction structure includes heat conduction sheet layer, heat conduction cavity, silica gel fin, sealed end and seal groove, the inside of heat conduction sheet layer is equipped with the heat conduction cavity, the surface mounting of heat conduction sheet layer has the silica gel fin, the one end of heat conduction sheet layer is equipped with sealed end, the inside of sealed end is equipped with the seal groove that is located heat conduction sheet layer one end.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the inside mounting of heat conduction cavity has the temperature conduction structure, the temperature conduction structure includes heat conduction aluminum plate, laminating flat board and second liquid guide port, heat conduction aluminum plate's internally mounted has the laminating flat board, heat conduction aluminum plate's one end is equipped with first liquid guide port, the second liquid guide port is installed to one side of first liquid guide port.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the temperature conduction structure further comprises a flow guide channel, limiting plates, curved heat conduction inserting plates and first liquid guide ports, wherein the limiting plates are arranged in the heat conduction aluminum plates, a flow channel is arranged between every two limiting plates, the flow channel is a flow guide channel, the curved heat conduction inserting plates located on the inner sides of the heat conduction aluminum plates are arranged in the inner parts of the flow guide channels, the outer sides of the curved heat conduction inserting plates are provided with attaching plates located on the outer surfaces of the heat conduction aluminum plates, the attaching plates are attached to the inner walls of the heat conduction plate layers, one end of each first port is provided with a heat preservation guide pipe, each heat preservation guide pipe is used for communicating the first port with the first liquid guide port, each second port with the second liquid guide port, a diaphragm is arranged in each first power box and each second power box, each diaphragm is provided with a supporting connecting frame, each supporting connecting frame is used for supporting the heat conduction plate layers to penetrate through, and heat conduction medium is filled in the heat conduction aluminum plates.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: one side of first electric power case inner wall is equipped with seal structure, seal structure is used for improving the sealed effect of insulating heat conduction structure and first electric power case, seal structure includes flexible glue casing, flat groove and sealed lug, the flexible glue casing is used for installing in one side of first electric power case inner wall, the inside of flexible glue casing is equipped with sealed lug, every two be equipped with the gap groove between the sealed lug, the gap groove is the flat groove, the flat groove is used for providing the supporting space for the silica gel fin.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the sealing structure further comprises liquid storage cavities, oil is filled in the liquid storage cavities, and each liquid storage cavity is in a communication state.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the pressure pipe is all installed to four inside terminal angles of flexible glue casing, the internally mounted of pressure pipe has the push rod, the one end of push rod is equipped with the piston, reset spring is installed to one side of piston.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the utility model discloses a power supply device for a solar cell, including first electric power case, second electric power case are installed to the one end of first electric power case, the both ends of second electric power case are equipped with tightening structure, tightening structure is used for fixed first electric power case and second electric power case, tightening structure includes first inside groove, clamp plate, roof, second inside groove, third inside groove and roof groove, the both sides of second electric power case are equipped with first inside groove, the both sides of first electric power case are equipped with the second inside groove, the inside rotation of first inside groove is connected with the clamp plate, one side rotation of clamp plate is connected with the roof, the inside of second inside groove is equipped with the third inside groove that is located the second inside groove, the inside of third inside groove still is equipped with the roof groove that is located the third inside groove, the one end of roof is used for pegging graft in the roof groove, the clamp plate is used for laminating in the second inside groove.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: negative pole material is installed to one side of diaphragm, positive pole material is installed to the opposite side of diaphragm, the upper end of negative pole material is equipped with the negative pole link that is located first electric power case upper surface, positive pole material upper surface is equipped with the positive pole link that is located first electric power case upper surface, the lower extreme of positive pole link is equipped with the socket, the inner structure of first electric power case and second electric power case is unanimous, the lower extreme of negative pole link is equipped with the bolt end, the bolt end be used for the joint in the inside of socket.

As an alternative to the power storage device for a distributed energy system according to the present invention, wherein: the four end angles of first electric power case and second electric power case one end are equipped with right angle groove, four end angles of first electric power case and second electric power case other end are equipped with right angle bolt, right angle groove is used for the location grafting in right angle bolt.

The invention has the following beneficial effects:

1. according to the power storage device for the distributed energy system, the temperature protection structure, the insulation heat conduction structure and the temperature conduction structure are matched, self heat in the first power box is absorbed through the insulation heat conduction structure and is transmitted to the inside of the temperature protection structure through the heat preservation conduit, and then the temperature protection structure protects the inner wall of the first power box to resist interference caused by the increase of the external temperature of the device;

the device utilizes the temperature that first electric power case self produced for resist the outside cold air and to the inside interference that causes of device, need not additionally heat the structure, and temperature protection structure is independent of the inside structure of first electric power case, make the outside produced cold air, the inside of effect at temperature protection structure, and guarantee first electric power case inner structure's operational environment, avoid the temperature lower, lead to first electric power case inner structure to cause the influence, and insulating heat conduction structure and temperature conduction structure can also provide the heat and derive the effect for the device is inside, make the device possess the operating condition of cold and hot environment simultaneously.

2. This distributing type is electric power storage device for energy system, through seal structure's effect, the self of flexible glue casing possesses certain sealed effect, and its inside adoption hydraulic drive mode increases the volume of flexible glue casing self, and flexible glue casing increases after the volume then can further increase with the laminating degree of heat conduction sheet layer surface to increase the inside sealed degree of device, and for heat conduction sheet layer's heat conduction and installation environment, provide good sealed condition.

3. This electric power storage device for distributed energy system, through the cooperation installation of first electric power case and second electric power case structure, make first electric power case and second electric power case form the electric connection state, make form the combination connected mode between first electric power case and the second electric power case, and its electric conduction and heat conduction structure are the installation of combination range formula, the subassembly of two kinds of functions all can add along with the additional installation of first electric power case and second electric power case, and be shared structure between a plurality of heat conduction sheet layers and the temperature conduction structure, the supporting state of adaptation device inner structure that can be very big, and install the realization combination installation effect additional to first electric power case and second electric power case, and installation and use mode are nimble, can adapt to the installation combination use of multiple environment.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the first power box according to the present invention;

FIG. 3 is a schematic view of a temperature protection structure according to the present invention;

FIG. 4 is a schematic diagram of the structure of the present invention;

FIG. 5 is a schematic diagram of the overall separation structure of the present invention;

FIG. 6 is a schematic view of the interior of a thermally conductive sheet layer of the present invention;

FIG. 7 is a schematic view of the structure of the heat conducting aluminum plate of the present invention;

FIG. 8 is a partial schematic view of the invention at A of FIG. 7;

FIG. 9 is a partial schematic view of the invention at B of FIG. 2;

fig. 10 is a partial schematic view of fig. 2 at C in accordance with the present invention.

In the figure: 1. a first power box; 2. a temperature protection structure; 21. a silicone plate; 22. an aluminum plate; 23. a diversion channel; 24. a first port; 25. a second port; 3. an insulating and temperature-conducting structure; 31. a thermally conductive plate layer; 32. a temperature-conducting cavity; 33. a silica gel fin; 34. sealing the end; 35. sealing grooves; 4. a temperature conductive structure; 41. a heat conducting aluminum plate; 42. a diversion channel; 43. a limiting plate; 44. bonding the flat plate; 45. curved heat conducting insert; 46. a first liquid-conducting port; 47. a second liquid-guiding port; 5. a sealing structure; 51. a soft rubber shell; 52. a flat groove; 53. a sealing bump; 54. a pressure pipe; 55. a push rod; 56. a piston; 57. a return spring; 58. a liquid storage cavity; 6. a supporting connecting frame; 7. a heat preservation conduit; 8. a second power box; 9. tightening the structure; 91. a first inner tank; 92. a pressing plate; 93. a top plate; 94. a second inner tank; 95. a third inner tank; 96. a top groove; 10. a negative electrode connection end; 11. a plug pin end; 12. a positive electrode connection end; 13. a socket; 15. a right angle slot; 16. a right angle bolt; 17. a negative electrode material; 18. a positive electrode material; 19. a diaphragm.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-10, a power storage device for a distributed energy system includes a first power box 1 and a temperature protection structure 2 in the first power box 1, wherein the temperature protection structure 2 includes a silica gel plate 21, an aluminum plate 22, a diversion channel 23, a first port 24 and a second port 25, the silica gel plate 21 is used for being mounted on an inner wall of the first power box 1 in a fitting manner, the aluminum plate 22 is mounted on an inner side of the silica gel plate 21, the diversion channel 23 is arranged in the aluminum plate 22, the silica gel plate 21 and the aluminum plate 22 are composed of three panels, the aluminum plate 22 is arranged in the aluminum plate 22 in a curved shape, one end of the diversion channel 23 is provided with the first port 24 positioned at one end of a temperature guiding cavity 32, and the other end of the diversion channel 23 is provided with the second port 25 positioned at one end of the silica gel plate 21;

the inside of the first power box 1 is also provided with an insulating heat-conducting structure 3, the insulating heat-conducting structure 3 comprises a heat-conducting plate layer 31, a heat-conducting cavity 32, a silica gel fin 33, a sealing end 34 and a sealing groove 35, the heat-conducting cavity 32 is arranged in the heat-conducting plate layer 31, the silica gel fin 33 is arranged on the outer surface of the heat-conducting plate layer 31, one end of the heat-conducting plate layer 31 is provided with the sealing end 34, and the sealing groove 35 positioned at one end of the heat-conducting plate layer 31 is arranged in the sealing end 34;

the temperature conduction structure 4 is arranged in the temperature conduction cavity 32, the temperature conduction structure 4 comprises a heat conduction aluminum plate 41, a bonding flat plate 44 and a second liquid conduction port 47, the bonding flat plate 44 is arranged in the heat conduction aluminum plate 41, a first liquid conduction port 46 is arranged at one end of the heat conduction aluminum plate 41, and the second liquid conduction port 47 is arranged at one side of the first liquid conduction port 46;

the temperature conduction structure 4 further comprises a flow guide channel 42, limiting plates 43, curved heat conduction inserting sheets 45 and a first liquid guide port 46, wherein the limiting plates 43 are arranged in the heat conduction aluminum plate 41, a flow channel is arranged between every two limiting plates 43, the flow channel is the flow guide channel 42, curved heat conduction inserting sheets 45 positioned on the inner side of the heat conduction aluminum plate 41 are installed in the inner part of the flow guide channel 42, a bonding flat plate 44 positioned on the outer surface of the heat conduction aluminum plate 41 is arranged on the outer side of the curved heat conduction inserting sheets 45, the bonding flat plate 44 is used for being bonded with the inner wall of the heat conduction plate layer 31, a heat preservation conduit 7 is installed at one end of the first port 24, the heat preservation conduit 7 is used for communicating the first port 24 with the first liquid guide port 46, a diaphragm 19 is installed in the inner part of the first power box 1 and the second power box 8, a support armature frame 6 is installed in the inner part of the diaphragm 19, the support armature frame 6 is used for supporting the heat conduction plate layer 31 to penetrate, and a heat conduction medium is filled in the inner part of the heat conduction aluminum plate 41.

The second port 25 at one side of the second power box 8 is connected with the second liquid guide port 47 at one side of the first power box 1 to be externally connected with driving equipment, the heat conducting medium positioned in the heat conducting aluminum plate 41 is driven by the external equipment, flows out from the second liquid guide port 47 in the first power box 1, passes through the inside of the guide channel 42 and flows out from the first liquid guide port 46, then the heat conducting medium is conveyed into the guide channel 23 through the first port 24 by the heat preservation conduit 7, the guide channel 23 is arranged in three panels in the aluminum plate 22 in a curved way, the heat conducting medium sequentially flows through the inside of the guide channel 23, finally flows out from the second port 25, is conveyed into the second liquid guide port 47 in the inner side of the second power box 8 by the heat preservation conduit 7, and forms a circulating flow state;

thereby make the inside heat that first electric power case 1 inside self produced absorb through heat conduction sheet layer 31 and heat conduction aluminum plate 41 and finally transmit to the inside of temperature protection structure 2, and temperature protection structure 2 is trilateral inside setting at first electric power case 1, can keep out outside temperature and produce the interference to device inner structure to insulating heat conduction structure 3 and temperature conduction structure 4 can also provide the heat and derive the effect for the device is inside, makes the device possess the operating condition of cold and hot environment simultaneously.

Example 2

The embodiment is an improvement made on the basis of embodiment 1, specifically referring to fig. 1-10, a sealing structure 5 is arranged on one side of the inner wall of the first power box 1, the sealing structure 5 is used for improving the sealing effect between the insulating heat-conducting structure 3 and the first power box 1, the sealing structure 5 comprises a flexible glue shell 51, a flat groove 52 and sealing convex blocks 53, the flexible glue shell 51 is used for being installed on one side of the inner wall of the first power box 1, the sealing convex blocks 53 are arranged in the flexible glue shell 51, a gap groove is arranged between every two sealing convex blocks 53, the gap groove is the flat groove 52, and the flat groove 52 is used for providing a supporting space for the silica gel fins 33;

the sealing structure 5 further comprises liquid storage cavities 58, oil is filled in the liquid storage cavities 58, and each liquid storage cavity 58 is in a communicating state.

Example 3

The present embodiment is an improvement made on the basis of embodiment 2, specifically referring to fig. 1-10, the four end corners inside the soft rubber housing 51 are all provided with a pressure tube 54, the inside of the pressure tube 54 is provided with a push rod 55, one end of the push rod 55 is provided with a piston 56, and one side of the piston 56 is provided with a return spring 57.

When the insulating heat-conducting structure 3 is spliced with the first power box 1, electrolyte exists in the first power box 1, extremely high sealing conditions are needed, otherwise, the leakage condition can be caused, and the device is in danger;

when the insulating heat conducting structure 3 is inserted into the soft rubber shell 51, the heat conducting cavity 32 slides along the inner part of the flat groove 52, so that the heat conducting plate layer 31 integrally extends to the first power box 1 and the inner part of the soft rubber shell 51, and simultaneously passes through the inner part of the supporting frame 6, and the inner part of the supporting frame 6 is provided with the sealing convex block 53 and the flat groove 52, when the heat conducting plate layer 31 reaches the limit position, the push rod 55 is pushed into the pressure pipe 54, meanwhile, the liquid in the pressure pipe 54 is pressed into the liquid storing cavity 58, and each liquid storing cavity 58 is in a communicating state, when the pressure is increased, the heat conducting plate layer 31 and the outer surface of the heat conducting plate layer 31 are simultaneously expanded, a sealing state is formed between the inner wall of the soft rubber shell 51 and the outer surface of the heat conducting plate layer 31, and the sealing strength between the soft rubber shell 51 and the heat conducting plate layer 31 is improved through the pressure caused by the piston 56, and when the heat conducting plate layer 31 is pulled out, the piston 56 is reset, and therefore the heat conducting plate layer 31 can be taken out, and the sealing condition of the heat conducting plate layer 31 and the soft rubber shell 51 is realized.

Example 4

In this embodiment, an improvement is made on the basis of embodiment 3, specifically referring to fig. 1-10, a second power box 8 is installed at one end of a first power box 1, tightening structures 9 are provided at two ends of the second power box 8, the tightening structures 9 are used for fixing the first power box 1 and the second power box 8, the tightening structures 9 include a first inner groove 91, a pressing plate 92, a top plate 93, a second inner groove 94, a third inner groove 95 and a top groove 96, two sides of the second power box 8 are provided with the first inner groove 91, two sides of the first power box 1 are provided with the second inner groove 94, a pressing plate 92 is rotatably connected inside the first inner groove 91, one side of the pressing plate 92 is rotatably connected with the top plate 93, a third inner groove 95 located inside the second inner groove 94 is provided inside the second inner groove 95, a top groove 96 located inside the third inner groove 95 is also provided inside the third inner groove 95, one end of the top plate 93 is used for being inserted into the top groove 96, and the pressing plate 92 is used for being attached inside the second inner groove 94;

the negative electrode material 17 is arranged on one side of the diaphragm 19, the positive electrode material 18 is arranged on the other side of the diaphragm 19, the negative electrode connecting end 10 positioned on the upper surface of the first power box 1 is arranged at the upper end of the negative electrode material 17, the positive electrode connecting end 12 positioned on the upper surface of the first power box 1 is arranged on the upper surface of the positive electrode material 18, the socket 13 is arranged at the lower end of the positive electrode connecting end 12, the internal structures of the first power box 1 and the second power box 8 are consistent, the lower end of the negative electrode connecting end 10 is provided with the plug pin end 11, and the plug pin end 11 is used for being clamped in the socket 13;

the four end angles of one end of the first power box 1 and the second power box 8 are provided with right angle slots 15, the four end angles of the other end of the first power box 1 and the second power box 8 are provided with right angle bolts 16, and the right angle slots 15 are used for being positioned and inserted into the right angle bolts 16.

The first power box 1 and the second power box 8 are mutually attached, the four right-angle grooves 15 and the right-angle bolts 16 are correspondingly clamped, meanwhile, the top plate 93 is clamped in the top groove 96, the pressing plate 92 is pushed to the inside of the second inner groove 94, the top plate 93 is buckled inwards, the first power box 1 is driven to move towards the second power box 8, the first power box 1 and the second power box 8 are mutually attached, meanwhile, the pressing plate 92 is completely embedded into the inside of the second inner groove 94, at the moment, the bolt ends 11 are clamped into the inside of the inserting holes 13, the first power box 1 and the second power box 8 form an electrical communication state, a combined connection mode is formed between the first power box 1 and the second power box 8, the conducting and temperature guiding structures of the combined connection mode are arranged in a combined mode, components with the two functions can be additionally arranged along with the additional installation of the first power box 1 and the second power box 8, a plurality of heat conducting plate layers 31 and the temperature conducting structures 4 are of a shared structure, the supporting state of the internal structure of the device can be greatly adapted, the first power box 1 and the second power box 8 can be flexibly installed in an additional mode, and multiple installation modes can be flexibly realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (4)

1. The utility model provides a distributed energy power storage device for system, includes temperature protection structure (2) in first electric power case (1) and first electric power case (1), its characterized in that:

the temperature protection structure (2) comprises a silica gel plate (21), an aluminum plate (22), a flow guide channel (23), a first port (24) and a second port (25), wherein the silica gel plate (21) is used for being attached to the inner wall of a first power box (1), the aluminum plate (22) is installed on the inner side of the silica gel plate (21), the flow guide channel (23) is arranged in the aluminum plate (22), the silica gel plate (21) and the aluminum plate (22) are formed by three-surface plates, the aluminum plate (22) is arranged in the aluminum plate (22) in a curved shape, the first port (24) positioned at one end of a temperature guide cavity (32) is installed at one end of the flow guide channel (23), and the second port (25) positioned at one end of the silica gel plate (21) is installed at the other end of the flow guide channel (23).

One side of the inner wall of the first power box (1) is provided with a sealing structure (5), the sealing structure (5) is used for improving the sealing effect of the insulating heat-conducting structure (3) and the first power box (1), the sealing structure (5) comprises a soft rubber shell (51), flat grooves (52) and sealing convex blocks (53), the soft rubber shell (51) is used for being installed on one side of the inner wall of the first power box (1), the sealing convex blocks (53) are arranged in the soft rubber shell (51), a gap groove is formed between every two sealing convex blocks (53), the gap groove is the flat grooves (52), and the flat grooves (52) are used for providing supporting space for the silica gel fins (33);

the sealing structure (5) further comprises liquid storage cavities (58), oil is filled in the liquid storage cavities (58), and each liquid storage cavity (58) is in a communication state;

pressure pipe (54) are all installed at four terminal angles of flexible glue casing (51) inside, the internally mounted of pressure pipe (54) has push rod (55), the one end of push rod (55) is equipped with piston (56), reset spring (57) are installed to one side of piston (56).

2. The power storage device for a distributed energy system according to claim 1, wherein:

the inside of first electric power case (1) still installs insulating heat conduction structure (3), insulating heat conduction structure (3) are including heat conduction sheet layer (31), heat conduction cavity (32), silica gel fin (33), sealed end (34) and seal groove (35), the inside of heat conduction sheet layer (31) is equipped with heat conduction cavity (32), the surface mounting of heat conduction sheet layer (31) has silica gel fin (33), the one end of heat conduction sheet layer (31) is equipped with sealed end (34), the inside of sealed end (34) is equipped with seal groove (35) that are located heat conduction sheet layer (31) one end.

3. The power storage device for a distributed energy system according to claim 2, wherein:

the internally mounted of heat conduction cavity (32) has temperature conduction structure (4), temperature conduction structure (4) are including heat conduction aluminum plate (41), laminating dull and stereotyped (44) and second liquid guide port (47), the internally mounted of heat conduction aluminum plate (41) has laminating dull and stereotyped (44), the one end of heat conduction aluminum plate (41) is equipped with first liquid guide port (46), second liquid guide port (47) are installed to one side of first liquid guide port (46).

4. A power storage device for a distributed energy system according to claim 3, wherein:

temperature conduction structure (4) still include water conservancy diversion passageway (42), limiting plate (43), curved heat conduction inserted sheet (45) and first liquid guide port (46), heat conduction aluminum plate (41)'s inside is arranged there is limiting plate (43), every two be equipped with the runner between limiting plate (43), the runner is water conservancy diversion passageway (42), the internally mounted of water conservancy diversion passageway (42) has curved heat conduction inserted sheet (45) that are located heat conduction aluminum plate (41) inboard, the outside of curved heat conduction inserted sheet (45) is equipped with laminating flat board (44) that are located heat conduction aluminum plate (41) surface, laminating flat board (44) are used for laminating with heat conduction sheet (31) inner wall, heat preservation pipe (7) are installed to the one end of first port (24), heat preservation pipe (7) are used for intercommunication first port (24) and first liquid guide port (46), and second port (25) and second liquid guide port (47), diaphragm (19) are all installed to the internally mounted of first electric power box (1) and second electric power box (8), diaphragm (19) are installed to the inside of holding frame (6), heat conduction sheet (6) are used for holding up the medium (31), and the frame (31) is passed to heat conduction sheet (6).