CN211980707U

CN211980707U - Energy storage battery box

Info

Publication number: CN211980707U
Application number: CN202020802020.1U
Authority: CN
Inventors: 江有强; 刘金成; 吕正中; 陈郑阳; 卢伟军
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-20
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses an including energy storage battery box, it includes the box, the baffle subassembly, the battery module, heat pipe and semiconductor refrigerator, inject the installation cavity in the box, be equipped with the louvre on the back lateral wall of box, the baffle subassembly is at least one, the board subassembly is located the installation cavity and separates into a plurality of cavitys with the installation cavity, baffle subassembly is inside to inject heat dissipation channel, heat dissipation channel and louvre intercommunication, the battery module is established in the cavity, the heat pipe is established on the baffle subassembly, one side butt of heat pipe is on the battery module, semiconductor refrigerator establishes on the baffle subassembly, and the laminating of semiconductor refrigerator is in one side of keeping away from the battery module of heat pipe. The heat dissipation effect of this energy storage battery box is better, and the temperature of battery module is comparatively even, has promoted the safety in utilization and the use reliability of energy storage battery box.

Description

Energy storage battery box

Technical Field

The utility model relates to an energy storage equipment technical field especially relates to an energy storage battery box.

Background

With the rapid development of energy storage battery systems, which are now in an important stage of rapid development from demonstration applications to commercialization, the energy storage lithium ion battery industry continues the rapid development momentum.

The condition that local temperature is too high easily appears in the use of energy storage lithium ion battery at present, can not derive the electric core heat fast. This can not only adversely affect battery usage, but also affect the experience of the customer. In addition, in the long-term use process, the high risk exists in the recycling safety of the core bag caused by the overhigh local temperature, and the high-rate charge and discharge can not be carried out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy storage battery box, this energy storage battery box's radiating effect is better, and the temperature of battery module is comparatively even, has promoted energy storage battery box's safety in utilization and use reliability.

In order to realize the technical effect, the technical scheme of the energy storage battery box of the embodiment is as follows:

the utility model discloses an energy storage battery box, include: the box body is internally provided with a mounting cavity, and the rear side wall of the box body is provided with heat dissipation holes; the partition plate assembly is arranged in the installation cavity and divides the installation cavity into a plurality of cavities, a heat dissipation channel is defined in the partition plate assembly, and the heat dissipation channel is communicated with the heat dissipation holes; the battery module is arranged in the cavity; the heat conduction pipe is arranged on the separator assembly, and one side of the heat conduction pipe is abutted against the battery module; the semiconductor refrigerator is arranged on the partition plate assembly and attached to one side, far away from the battery module, of the heat conduction pipe.

In some embodiments, a support member for supporting the battery module is provided in each of the cavities, and the support member has a plurality of air flow passages.

In some embodiments, the side walls and the bottom wall of the battery module are provided with insulating heat-conducting members.

In some optional embodiments, the insulating heat-conducting member is an insulating heat-conducting adhesive layer coated on the side wall or the bottom wall of the battery module, or the insulating heat-conducting member is an insulating heat-conducting plate.

In some embodiments, the baffle plate assembly comprises: the two longitudinal plates are arranged at intervals and are connected with the box body; the transverse plates are distributed at intervals from top to bottom, and two ends of each transverse plate are respectively connected with the longitudinal plates.

In some optional embodiments, each transverse plate is provided with a heat dissipation protrusion extending along the length direction of the transverse plate.

In some embodiments, each of the battery modules includes: the core packages are stacked along the front-back direction of the box body; the number of the end plates is two, the two end plates are arranged at intervals, and a plurality of cores are wrapped and pressed between the two end plates; the conductive parts are multiple, and two ends of each conductive part are electrically connected with the two core packages which are adjacently arranged; the two ends of the cover plate are respectively connected with the two end plates, and the cover plate is buckled on the conductive piece; a strap that ties the two end plates and the plurality of core packages.

In some embodiments, the partition plate assembly is provided with a fitting groove and a fitting hole, the semiconductor refrigerator is mounted in the fitting hole, and the heat conductive pipe is fitted in the fitting groove.

In some embodiments, the energy storage battery box comprises a module pressing plate, the module pressing plate and the battery modules are arranged in a one-to-one correspondence, and the module pressing plate is used for pressing the battery modules on the bottom wall of the box body.

In some optional embodiments, the die set platen comprises: the pressing strip is in compression joint with the top wall of the battery module; and two connecting strips are arranged, one end of each connecting strip is connected with the pressing strip, and the other end of each connecting strip is connected with the box body through a connecting piece.

According to the energy storage battery box, the partition plate assembly is arranged in the box body, the partition plate assembly defines the heat dissipation channel, and the heat conduction pipe and the semiconductor cooler are arranged on the partition plate assembly, so that not only is the efficient heat dissipation channel formed inside the box body, but also the whole box body can be used as a radiator, the heat dissipation area is maximized, the heat dissipation effect of the battery module is ensured, and the stability of the whole energy storage battery is ensured; in addition, because the heating of battery module in semiconductor refrigerator can also realize through heating the pipe, guaranteed that battery module still can realize the steady operation for the lower condition of temperature in the environment, enlarged the application scope of the energy storage battery box of this embodiment.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of an energy storage battery box according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of an energy storage battery box according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of fig. 2 at circle a.

Fig. 4 is an exploded schematic view of a battery module according to an embodiment of the present invention.

Reference numerals:

1. a box body; 11. a front panel; 12. a middle frame; 13. a rear panel; 131. heat dissipation holes;

2. a bulkhead assembly; 21. a longitudinal plate; 22. a transverse plate; 221. a heat dissipation protrusion; 201. a heat dissipation channel; 202. a mating groove; 203. a mating hole;

3. a battery module; 31. a core package; 32. an end plate; 33. a conductive member; 34. a cover plate; 35. binding bands;

4. a heat conducting pipe;

5. a semiconductor refrigerator;

6. a support member; 61. an air flow channel;

7. an insulating heat-conducting member;

8. a module pressing plate; 81. layering; 82. and (4) connecting strips.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the energy storage battery box according to the embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1-2, the energy storage battery box according to the embodiment of the present invention includes a box 1, a separator assembly 2, a battery module 3, a heat pipe 4, and a semiconductor cooler 5. Inject the installation cavity in the box 1, be equipped with louvre 131 on the back lateral wall of box 1, baffle assembly 2 is at least one, baffle assembly 3 establishes in the installation cavity and separates into a plurality of cavitys with the installation cavity, baffle assembly 2 is inside to inject heat dissipation channel 201, heat dissipation channel 201 and louvre 131 intercommunication, battery module 3 establish in the cavity, heat pipe 4 is established on baffle assembly 2, one side butt of heat pipe 4 is on battery module 3, semiconductor refrigerator 5 establishes on baffle assembly 2, and the laminating of semiconductor refrigerator 5 is in the one side of keeping away from battery module 3 of heat pipe 4.

It is to be noted that, in the following description, the meaning of "a plurality" means two or more unless otherwise specified.

It can be understood that, in the actual use process, the heat generated by the operation of the battery module 3 can be transferred to the separator assembly 2 through the heat conduction pipe 4 and then be dispersed to the case 1, and the heat of the separator assembly 2 and the case 1 can be taken out by the air flow flowing in the heat dissipation channel 201, so that the temperature of the surface of the battery module 3 is effectively reduced. When the temperature of the battery module 3 is too high and the rapid heat dissipation can not be realized only by means of the heat dissipation airflow, the semiconductor cooler 5 can realize the refrigeration, and the semiconductor cooler 5 can reduce the temperature of the heat conduction pipe 4 and the partition plate assembly 2, so that the temperature reduction of the battery module 3 is realized. That is to say, the energy storage battery box of this embodiment adopts heat dissipation channel 201 in the baffle subassembly 2 to realize the natural cooling of battery module 3 to and adopt semiconductor refrigerator 5 to realize the forced cooling of battery module 3, the in-process homoenergetic of high multiplying power charge-discharge and low multiplying power charge-discharge can guarantee that the temperature of battery module 3 is in comparatively stable level, has ensured the even running of battery module 3, reduces mean fault maintenance time effectively, guarantees the safety and usability of energy storage battery box.

In addition, receive ambient temperature's influence under some extreme use cases, thereby during battery module 3 had been influenced normal charge-discharge by the temperature of battery module 3 excessively, semiconductor refrigerator 5 also can realize battery module 3's intensification through heating heat pipe 4 to ensure battery module 3's normal charge-discharge. Compare the technical scheme who adopts the PTC heater to realize battery module 3 among the prior art, the semiconductor refrigerator 5 of this embodiment's structure is comparatively simple, has not only reduced the cost of whole energy storage battery case, has still simplified the structure of energy storage battery case, has promoted the equipment and the production efficiency of energy storage battery case.

It should be added that, in practice, in order to ensure that the temperature of the battery module 3 can be stably controlled, the energy storage battery box of the present embodiment has a control board and a temperature detector, the temperature detector is used for detecting the temperature of the battery module 3, and the control board is electrically connected with the battery module 3, the temperature detector and the semiconductor refrigerator 5, so that the control board can control the operating state of the semiconductor refrigerator 5 according to the detection result of the temperature detector, thereby ensuring that the temperature of the battery module 3 is at a relatively stable level, and greatly reducing the frequency of the battery module 3 having faults.

In addition, the heat dissipation channel 201 and the heat dissipation holes 131 are communicated in various ways, in this embodiment, the heat dissipation holes 131 may be directly communicated with the heat dissipation channel 201, or the heat dissipation holes 131 are indirectly connected with the heat dissipation channel 201 through a cavity partitioned by the partition plate assembly, which may be specifically selected according to actual needs.

According to the energy storage battery box, the partition plate assembly 2 is arranged in the box body 1, the partition plate assembly 2 defines the heat dissipation channel 201, and the heat conduction pipe 4 and the semiconductor cooler 5 are arranged on the partition plate assembly 2, so that the efficient heat dissipation channel 201 is formed in the box body 1, the whole box body 1 can be used as a radiator, the heat dissipation area is maximized, the heat dissipation effect of the battery module 3 is ensured, and the stability of the whole energy storage battery is ensured; in addition, because the semiconductor refrigerator 5 can also realize the heating of interior battery module 3 through the heating pipe, guaranteed that battery module 3 still can realize the steady operation for the lower condition of temperature under the environment, enlarged the application scope of the energy storage battery box of this embodiment.

Advantageously, at the same time, the number of the battery modules 3 is plural, and one battery module is provided in each cavity. It can be understood that, since the plurality of battery modules 3 installed in the box body 1 are separated by the separator assembly 2, the influence of mutual heat transfer between the plurality of battery modules 3 is avoided, and thus the use reliability and safety of the energy storage battery box of the embodiment are further ensured.

Optionally, the box 1 of the present embodiment includes a front panel 11, a middle frame 12 and a rear panel 13, wherein the front panel 11 and the rear panel 13 are made of plastic, and the middle frame 12 is made of aluminum alloy. Thus, on the one hand, the heat conducting performance of the box body 1 is ensured, on the other hand, the quality of the box body 1 is reduced, and the appearance attractiveness of the whole energy storage battery box can be improved. In addition, the center 12 adopts the aluminum alloy to support and has made things convenient for silk screen printing trade mark on box 1, and easy operation is convenient, and front panel 11 adopts plastics to make, can be directly with handle integrated into one piece on front panel 11 to convenience of customers carries out the transport of energy storage battery case.

Optionally, the middle frame 12 can be processed by adopting an aluminum extrusion process to integrally form the partition plate assembly 2 and the middle frame 12, the processing mode is very simple, manual welding is not needed, the labor cost is reduced, and adverse effects of welding slag on the battery module 3 are avoided.

In some embodiments, a support 6 for supporting the battery module 3 is provided in each cavity, and the support 6 has a plurality of air flow channels 61. It can be understood that the lower end surface of the supporting member 6 is connected with the lower side wall of the box body 1, and a plurality of air flow channels 61 are defined between the supporting member 6 and the lower side wall of the box body 1, so that the surrounding effect of the battery module 3 and the heat exchange air flow can be further improved, and the heat dissipation efficiency of the battery module 3 is improved.

In some embodiments, the insulating heat-conducting members 7 are disposed on the side walls and the bottom wall of the battery module 3. It can be understood that the insulating heat-conducting member 7 can increase the heat transfer area and the heat exchange area of the battery module 3, and effectively improve the heat exchange efficiency between the battery module 3 and the heat exchange airflow or the heat-conducting pipe 4, thereby improving the cooling efficiency and the heating efficiency of the battery module 3, and ensuring the use reliability and the use safety of the whole battery module 3.

In some alternative embodiments, the insulating and heat-conducting member 7 is an insulating and heat-conducting adhesive layer coated on the side wall or the bottom wall of the battery module 3, or the insulating and heat-conducting member 7 is an insulating and heat-conducting plate.

It can be understood that the use of the insulating and heat-conducting adhesive layer coated on the side wall or the bottom wall of the battery module 3 as the insulating and heat-conducting member 7 can maximally increase the heat transfer area and the heat exchange area of the battery module 3, but the coating operation is relatively complicated. And adopt insulating heat-conducting plate as insulating heat-conducting member 7, though the radiating effect is not as good as insulating heat-conducting glue film, but the installation is comparatively simple. In actual use, the type of the insulating and heat-conducting member 7 can be selected according to actual needs.

In some embodiments, the partition assembly 2 includes two longitudinal plates 21 and two transverse plates 22, the two longitudinal plates 21 are spaced apart from each other, an upper sidewall of each longitudinal plate 21 is connected to an upper sidewall of the box body 1, and a lower sidewall of each longitudinal plate 21 is connected to a lower sidewall of the box body 1. The transverse plates 22 are distributed from top to bottom at intervals, and both ends of each transverse plate 22 are respectively connected with the longitudinal plates 21. From this, can enough better assurance baffle and box 1's stability of being connected, can make the air current in the heat dissipation channel 201 comparatively even again, promote box 1's radiating effect.

In some alternative embodiments, each horizontal plate 22 is provided with a heat dissipating protrusion 221 extending along its length. It can be appreciated that the heat dissipating protrusions 221 increase the area within the heat dissipating channel 201, thereby further improving the heat dissipating efficiency.

In some alternative embodiments, the separator assembly 2 is provided with a fitting recess 202 and a fitting hole 203, the semiconductor refrigerator 5 is mounted in the fitting hole 203, and the heat conductive pipe 4 is fitted in the fitting recess 202. From this, can ensure the installation stability of semiconductor cooler 5 and heat pipe 4 on the one hand, on the other hand has guaranteed semiconductor cooler 5 and heat pipe 4 and separator plate assembly 2's area of contact to guaranteed separator plate assembly 2's heat conduction efficiency, promoted the heating of whole battery module 3 or refrigeration efficiency

In some embodiments, each battery module 3 includes a plurality of core packages 31, end plates 32, two conductive members 33, a cover plate 34, and a binding band 35, where the plurality of core packages 31 are stacked along the front-back direction of the case 1, the two end plates 32 are spaced apart from each other, the plurality of core packages 31 are crimped between the two end plates 32, the plurality of conductive members 33 are provided, two ends of each conductive member 33 are electrically connected to the two core packages 31 that are adjacently disposed, two ends of the cover plate 34 are respectively connected to the two end plates 32, the cover plate 34 is fastened to the conductive members 33, and the binding band 35 binds the two end plates 32 and the plurality of core packages 31.

What need to explain at first, current electric core is through locking screw group structure or through electric core welding process formation group structure, but the radiating effect and the waterproof dustproof ability of equipment back battery module 3 are relatively poor, the too high condition of local temperature appears easily, can not derive electric core heat fast.

It can be understood that, in this embodiment, both sides adopt end plate 32 fixed, and the packing area is taut, and easy operation can effectual assurance battery module 3 at transportation and customer installation process core package 31's stability, and parts machining is simple simultaneously, and whole equipment is simple and convenient, and the after-sale maintenance of being convenient for is dismantled, practices thrift cost and customer installation space, to the remote area, is favorable to saving customer's manual handling cost. In addition, because the side wall and the bottom wall of the battery module 3 are provided with the insulating heat-conducting members 7, the heat of the core package 31 can be quickly led out, and the phenomenon that the local temperature is too high is avoided.

Preferably, every two core packages 31 are separated by a silicone pad, so that the thermal backflow can be well prevented and the assembly tolerance can be absorbed.

In some alternative embodiments, the strap 35 is provided in a plurality spaced apart. From this, can further promote the stability of a plurality of core packages 31 to the transportation and the installation of the energy storage battery box of this embodiment have been made things convenient for.

In some embodiments, the energy storage battery box comprises a module pressing plate 8, the module pressing plate 8 is arranged in one-to-one correspondence with the battery modules 3, and the module pressing plate 8 is used for pressing the battery modules 3 on the bottom wall of the box body 1. It can be understood that, module clamp plate 8 can make the firm connection of battery module 3 on box 1, has avoided battery module 3 to take place the phenomenon of rocking in transportation and the installation, can also ensure that battery module 3 and heat pipe 4 in close contact with together, has increased conduction area, reduces the internal resistance that has contacted, improves the radiating effect of product.

In some alternative embodiments, the module pressing plate 8 includes two pressing strips 81 and two connecting strips 82, the pressing strips 81 are pressed on the top wall of the battery module 3, one end of each connecting strip 82 is connected with the pressing strip 81, the other end is connected with the box body 1 through a connecting piece, and the connecting strips 82 are stopped against the front side wall of the battery module 3. From this, the module pressing plate 8 can realize the crimping of the battery module 3 from two directions of the upper and lower and front and rear, thereby ensuring the stability of the battery module 3.

Example (b):

an energy storage battery box according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

The energy storage battery box of this embodiment includes box 1, baffle subassembly 2, two battery modules 3, two heat pipes 4, two semiconductor refrigerator 5, support 6 and module clamp plate 8. Inject the installation cavity in the box 1, be equipped with louvre 131 on the rear side wall of box 1, baffle assembly 2 establishes and separates into two cavitys in order to separate the installation cavity in the installation cavity, and baffle assembly 2 is inside to inject heat dissipation channel 201, and heat dissipation channel 201 and louvre 131 intercommunication, two battery module 3 are located two cavitys respectively and establish on this support piece 6.

The baffle plate assembly 2 comprises two longitudinal plates 21 and two transverse plates 22, the two longitudinal plates 21 are arranged at intervals, the longitudinal plates 21 are connected with the box body 1, the transverse plates 22 are eight in interval distribution from top to bottom, and two ends of each transverse plate 22 are respectively connected with the longitudinal plates 21. The two heat conductive pipes 4 are respectively connected in the fitting grooves 202 of the side walls of the two longitudinal plates 21 away from each other, one side of each heat conductive pipe 4 abuts on the battery module 3, and each semiconductor cooler 5 is provided in the fitting hole 203 defined between the two longitudinal plates 21.

Each battery module 3 comprises core packages 31, end plates 32, conductive pieces 33, cover plates 34 and binding bands 35, the core packages 31 are eight, eight core packages 31 are stacked in the front-back direction of the box body 1, the number of the end plates 32 is two, the two end plates 32 are arranged at intervals, the eight core packages 31 are crimped between the two end plates 32, the conductive pieces 33 are seven, two ends of each conductive piece 33 are electrically connected with the two core packages 31 which are adjacently arranged, two ends of each cover plate 34 are respectively connected with the two end plates 32, the cover plates 34 are buckled on the conductive pieces 33, and the binding bands 35 bind the two end plates 32 and the eight core packages 31. And one side of the battery module 3 close to the separator component 2 is provided with an insulating heat-conducting plate.

The module pressing plate 8 comprises pressing strips 81 and connecting strips 82, the pressing strips 81 are pressed on the top wall of the battery module 3, the number of the connecting strips 82 is two, one end of each connecting strip 82 is connected with the pressing strip 81, and the other end of each connecting strip 82 is connected with the box body 1 through a connecting piece.

The energy storage battery box of this embodiment's advantage as follows:

firstly, the method comprises the following steps: the core cladding 31 of the battery module 3 is assembled in a row, so that the battery module is suitable for installation of the existing communication base station cabinet and a distributed energy storage system, and has strong universality;

secondly, the method comprises the following steps: the two sides of the core bag 31 are fixed by the end plates 32, and the binding bands 35 are tightened, so that the operation is simple and the process is mature;

thirdly, the method comprises the following steps: the two sides and the bottom of the battery core module are fully coated with the heat-conducting insulating glue layers, so that the stability of the battery module 3 in the transportation process and the customer installation process can be effectively ensured, meanwhile, the parts are simple to process, the whole assembly is simple and convenient, the after-sale maintenance and disassembly are convenient, the cost and the customer installation space are saved, and the manual carrying cost of customers is favorably saved for remote areas;

fourthly: the appearance of the box body 1 is simple and large, the dustproof and waterproof capability is high, the corrosion resistance is high, the box body can adapt to different working scenes, trademarks of manufacturers can be directly silk-screened on the box body 1, and personalized customization is facilitated;

fifth, the method comprises the following steps: the inner side of the box body 1 is provided with a heat dissipation channel 201, the whole box body 1 is equivalent to a radiator, the heat dissipation area is large, when the heat is exchanged with the outside, the heat exchange efficiency is high, and the problem of overhigh temperature rise of high-magnification charge and discharge can be effectively solved;

sixth: the semiconductor refrigerator 5 is used for heating and refrigerating, the adaptability is wide, automatic control can be realized, a PTC heater can not be used, the number of assembled parts is reduced, and the assembly production efficiency of products is effectively improved.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An energy storage battery box, comprising:

the box body (1) is internally provided with a mounting cavity, and the rear side wall of the box body (1) is provided with a heat radiation hole (131);

the number of the baffle plate assemblies (2) is at least one, the baffle plate assemblies (2) are arranged in the installation cavity and divide the installation cavity into a plurality of cavities, a heat dissipation channel (201) is defined inside the baffle plate assemblies (2), and the heat dissipation channel (201) is communicated with the heat dissipation holes (131);

the battery module (3), the said battery module (3) is set up in the said cavity;

the heat conduction pipes (4) are arranged on the separator component (2), and one side of each heat conduction pipe (4) is abutted against the battery module (3);

the semiconductor refrigerator (5), establish semiconductor refrigerator (5) on baffle subassembly (2), just semiconductor refrigerator (5) laminating is in keeping away from of heat pipe (4) one side of battery module (3).

2. Energy storage battery box according to claim 1, characterized in that a support (6) for supporting the battery modules (3) is provided in each of the cavities, the support (6) having a plurality of air flow channels (61).

3. An energy storage battery box according to claim 1, characterized in that the side walls and the bottom wall of the battery module (3) are provided with insulating heat conducting members (7).

4. The energy storage battery box according to claim 3, characterized in that the insulating and heat conducting member (7) is an insulating and heat conducting glue layer coated on the side wall or the bottom wall of the battery module (3), or the insulating and heat conducting member (7) is an insulating and heat conducting plate.

5. Energy storage battery box according to claim 1, characterized in that the separator plate assembly (2) comprises:

the number of the longitudinal plates (21) is two, the two longitudinal plates (21) are arranged at intervals, and the longitudinal plates (21) are connected with the box body (1);

the transverse plates (22) are distributed at intervals from top to bottom, and two ends of each transverse plate (22) are respectively connected with the longitudinal plates (21).

6. The energy storage battery box as claimed in claim 5, wherein each transverse plate (22) is provided with a heat dissipation protrusion (221) extending along the length direction thereof.

7. Energy storage battery box according to claim 1, characterized in that each battery module (3) comprises:

the box body (1) comprises a plurality of core packages (31), wherein the plurality of core packages (31) are stacked in the front-back direction of the box body (1);

two end plates (32), wherein the two end plates (32) are arranged at intervals, and a plurality of core packages (31) are pressed between the two end plates (32);

the number of the conductive pieces (33) is multiple, and two ends of each conductive piece (33) are electrically connected with two core packages (31) which are adjacently arranged;

the two ends of the cover plate (34) are respectively connected with the two end plates (32), and the cover plate (34) is buckled on the conductive piece (33);

a strap (35), the strap (35) binding the two end plates (32) and the plurality of core packages (31).

8. An energy storage battery box according to claim 1, characterized in that the separator assembly (2) is provided with a fitting groove (202) and a fitting hole (203), the semiconductor cooler (5) is mounted in the fitting hole (203), and the heat conductive pipe (4) is fitted in the fitting groove (202).

9. The energy storage battery box according to claim 1, characterized in that the energy storage battery box comprises module pressing plates (8), the module pressing plates (8) are arranged in one-to-one correspondence with the battery modules (3), and the module pressing plates (8) are used for pressing the battery modules (3) on the bottom wall of the box body (1).

10. Energy storage battery box according to claim 9, characterized in that the module press plate (8) comprises:

the pressing strip (81), the pressing strip (81) is pressed on the top wall of the battery module (3);

the connecting strips (82), connecting strip (82) are two, every the one end of connecting strip (82) with layering (81) link to each other, the other end pass through the connecting piece with box (1) links to each other.