CN219040600U - Air-cooled non-module type plug box and energy storage device - Google Patents

Abstract

The utility model belongs to the technical field of energy storage systems and discloses an air-cooled non-modular plug box and an energy storage device, wherein the air-cooled non-modular plug box comprises a lower box body and an upper cover, the lower box body comprises a bottom plate, side plates, a front plate and a back plate, a containing cavity for placing a battery cell is formed among the bottom plate, the side plates, the front plate and the back plate, at least one of the bottom plate and the side plates is internally provided with a first air channel, the front plate is internally provided with a second air channel, the back plate is internally provided with a third air channel, two ends of the first air channel are respectively communicated with the second air channel and the third air channel, the front plate is provided with a first air port communicated with the second air channel, one of the first air port and the second air port is provided with a fan, and the other one of the first air port and the second air port is communicated with the outside; the energy storage device comprises the air-cooled non-module type plug box. Through directly stacking the welding electric core in lower box, saved the cost, reduced the operation risk, utilized the design of many wind channels to enlarge heat radiating area, accelerated the circulation of air through setting up the fan, and then improved radiating efficiency.

Description

Air-cooled non-module type plug box and energy storage device

Technical Field

The utility model relates to the technical field of energy storage systems, in particular to an air-cooled non-module type plug box and an energy storage device.

Background

In order to facilitate maintenance, the air-cooled energy storage device in the current market basically adopts an inserting box structure, so that a battery inserting box is an important component of an energy storage system, the battery inserting box is generally composed of a box body, a plurality of battery modules and a battery management system, one or two modules are arranged in the inserting box, the battery is used as the energy storage device, a large amount of heat can be generated in the charging and discharging process, if the heat cannot be well dispersed, larger temperature difference is generated among single batteries, uneven distribution of heat generation temperature fields of the modules is further caused, the electrochemical performance of the battery is finally possibly severely reduced, meanwhile, the temperature difference of each single battery also causes the difference of charging and discharging capacity of each battery, the charging capacity of the module is finally greatly reduced, the service life is reduced, and in addition, the battery is easily burnt due to overhigh temperature.

The prior art generally adopts end plate and steel band to bind the battery and form the module, then piles up the welding to the module, and then in advance the box with the module hoist and mount and then constitute battery subrack, increase cost, the operational risk is big, the battery heat dissipation mode that uses has forced air cooling heat dissipation, liquid cooling heat dissipation, phase change material cooling and heat pipe cooling, because forced air cooling heat dissipation mode simple structure and with low costs, so be used for battery subrack's heat dissipation generally, but present forced air cooling subrack sets up the wind channel at the subrack side and dispels the heat generally, the heat exchange efficiency that this kind of wind channel design can reach is lower, the radiating effect is poor.

Accordingly, there is a need for an apparatus that solves the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an air-cooled non-module type plug box, which reduces the manufacturing cost, is convenient to detach and improves the heat dissipation efficiency and capacity.

Another object of the present utility model is to provide an energy storage device, which includes the above air-cooled non-module type plug box, so as to reduce cost and risk.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an air-cooled no module formula subrack, includes box and upper cover down, the box includes bottom plate, curb plate, front bezel and backplate down, the bottom plate the curb plate the front bezel with form the chamber of holding of placing the electricity core between the backplate, the bottom plate with inside first wind channel that is equipped with in at least one of the curb plate, the inside second wind channel that is equipped with of front bezel, the inside third wind channel that is equipped with of backplate, the both ends in first wind channel communicate respectively in second wind channel with the third wind channel, the front bezel be equipped with the first wind gap of second wind channel intercommunication, the backplate be equipped with the second wind gap of third wind channel intercommunication, first wind gap with one of second wind gap is equipped with the fan, and another intercommunication is external.

Preferably, the lower box body further comprises at least one longitudinal beam, the longitudinal beam is fixedly connected to the bottom plate and parallel to the side plates, a fourth air channel is arranged inside the longitudinal beam, and the fourth air channel is communicated with the second air channel and the third air channel.

Preferably, the front plate is provided with a first air duct opening communicated with the second air duct, the back plate is provided with a second air duct opening communicated with the third air duct, and the first air duct opening and the second air duct opening are communicated with two ends of the fourth air duct.

Preferably, at least one partition plate is arranged in each of the first air duct, the second air duct, the third air duct and the fourth air duct to form a plurality of sub-air ducts.

Preferably, the lower case further includes a cell baffle detachably connected to the bottom plate and parallel to the back plate, and the cell is disposed between the back plate and the cell baffle.

Preferably, the upper cover is detachably connected to the lower case.

Preferably, the side plate is provided with a first air channel, the inner wall edge of the front plate is attached to the inner wall edge of the side plate, and the outer wall edge of the front plate is attached to the outer wall edge of the side plate, so that the first air channel of the side plate is communicated with the second air channel of the front plate; the inner wall edge of the backboard is attached to the inner wall edge of the side plate, and the outer wall edge of the backboard is attached to the outer wall edge of the side plate, so that the first air channel of the side plate is communicated with the third air channel of the backboard.

Preferably, the bottom plate is provided with a first air channel, the front plate is provided with a third air channel opening communicated with the second air channel, the back plate is provided with a fourth air channel opening communicated with the third air channel, and the third air channel opening and the fourth air channel opening are communicated with two ends of the first air channel.

Preferably, connecting plates are arranged on two sides of the front plate and/or the back plate.

Preferably, the energy storage device comprises the air-cooled non-module type plug box, wherein a plurality of electric cores are stacked in the air-cooled non-module type plug box, and the electric cores are stacked and welded in the air-cooled non-module type plug box to form the battery module.

The beneficial effects are that: the air-cooled non-module type plug box comprises a lower box body and an upper cover; the lower box body comprises a bottom plate, side plates, a front plate and a back plate, a containing cavity for placing the battery cell is formed between the bottom plate, the side plates, the front plate and the back plate, a first air channel is formed inside at least one of the bottom plate and the side plates, a second air channel is formed in the front plate, a third air channel is formed in the back plate, two ends of the first air channel are respectively communicated with the second air channel and the third air channel, a first air port communicated with the second air channel is formed in the front plate, a second air port communicated with the third air channel is formed in the back plate, a fan is arranged between one of the first air port and the second air port, and the other air port is communicated with the outside. Through the accommodation cavity formed, the battery cells can be directly stacked in the box body, and then the steel belt material binding module is not needed outside the box body, so that the cost is saved, the heat dissipation area is enlarged by the first air channel, the second air channel and the third air channel, the fan is arranged at the first air port and the second air port respectively, and the air circulation is quickened by the communication outside, and the heat dissipation efficiency is improved. The utility model provides an energy memory, includes foretell forced air cooling does not have modular subrack, stacks a plurality of electric cores in forced air cooling does not have modular subrack, and electric core stacks the welding in forced air cooling does not have modular subrack and becomes battery module, has avoided hoist and mount module to go into the case, has reduced the operation risk.

Drawings

Fig. 1 is an assembly schematic diagram of an air-cooled modular-free plug box provided in the present embodiment;

fig. 2 is a schematic view of the structure of the lower case part provided in the present embodiment;

fig. 3 is a schematic structural view of a front plate provided in the present embodiment;

fig. 4 is a schematic structural diagram of a back plate according to the present embodiment;

FIG. 5 is a front view of the back plate provided by the present embodiment;

fig. 6 is a front view of the front plate provided by the present embodiment;

fig. 7 is an air flow chart provided by the present embodiment.

In the figure: 1. a lower box body; 2. an upper cover; 11. a bottom plate; 12. a side plate; 13. a front plate; 14. a back plate; 15. a receiving chamber; 10. a first air duct; 131. a second air duct; 141. a third air duct; 161. a fourth air duct; 132. a first tuyere; 142. a second tuyere; 133. a first duct opening; 143. a second air duct opening; 134. a third air duct opening; 144. a fourth duct opening; 16. a longitudinal beam; 17. a cell baffle; 18. a partition plate; 19. and (5) connecting a plate.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides an air-cooled non-modular plug-in box, as shown in fig. 1 and 2, which comprises a lower box body 1 and an upper cover 2, wherein the upper cover 2 is detachably connected with the lower box body 1, the lower box body 1 comprises a bottom plate 11, a side plate 12, a front plate 13 and a back plate 14, the bottom plate 11, the front plate 13, the side plate 12 and the back plate 14 form a containing cavity, the containing cavity is used for placing a battery cell, the side plate 12 is fixedly welded on the bottom plate 11, the back plate 14 and the front plate 13 are detachably connected with the side plate 12, and the lower box body 1 is connected with the side plate 12 by bolts, and the lower box body is connected with the side plate by bolts. The embodiment can directly stack the battery cells in the lower box body 1, does not need to bind modules by materials such as steel belts and the like, does not need to be hung into a box, saves certain cost, reduces operation risks, and further adopts a detachable connection mode to assemble the air-cooled non-module type plug box, so that the air-cooled non-module type plug box is convenient to detach, clean and reassemble during use.

Preferably, at least one of the front plate 13 and the back plate 14 is provided with a connection plate 19 at both sides thereof for detachable connection with an external device.

In this embodiment, as shown in fig. 1-6, at least one of the bottom plate 11 or the side plate 12 is internally provided with a first air duct 10, the front plate 13 is internally provided with a second air duct 131, the back plate 14 is internally provided with a third air duct 141, and the second air duct 131 and the third air duct 141 are communicated with two ends of the first air duct 10. The front plate 13 is provided with a first air port 132 communicated with the second air duct 131, the back plate 14 is provided with a second air port 142 communicated with the third air duct 141, one of the first air port 132 and the second air port 142 is provided with a fan, and the other is directly communicated with the outside. By arranging the fan, the ventilation speed in the air duct is increased, so that external air can enter through the air port and then circulate in the first air duct 10, the second air duct 131 and the third air duct 141, and then the battery cell in the lower box body 1 is cooled.

Preferably, the first air duct 10 is arranged in the bottom plate 11 and the side plate 12 to improve the heat exchange area and cool the battery cells better.

Alternatively, the blower may be configured as a blower or an exhaust fan.

In this embodiment, as shown in fig. 2, 3 and 4, the inner wall of the front plate 13 is provided with a third air duct port 134 communicating with the second air duct 131, the inner wall of the back plate 14 is provided with a fourth air duct port 144 communicating with the third air duct 141, the first air duct 10 of the bottom plate communicates with the second air duct 131 through the third air duct port 134, the first air duct 10 of the bottom plate communicates with the third air duct 141 through the fourth air duct port 144, and the first air duct 10, the second air duct 131 and the third air duct 141 which are mutually communicated are constructed through the above air duct designs.

Preferably, as shown in fig. 1 and 2, by providing that the inner wall edge of the front plate 13 is attached to the inner wall edge of the side plate 12, the outer wall edge of the front plate 13 is attached to the outer wall edge of the side plate 12, so that the first air duct 10 of the side plate 12 is communicated with the second air duct 131 of the front plate 13; by providing the inner wall edge of the back plate 14 to be attached to the inner wall edge of the side plate 12, the outer wall edge of the back plate 14 is attached to the outer wall edge of the side plate 12, so that the first air duct 10 of the side plate 12 is communicated with the third air duct 141 of the back plate 14.

Preferably, as shown in fig. 2, at least one longitudinal beam 16 can be further arranged in the lower box 1, the longitudinal beam 16 is fixedly connected to the bottom plate 11 and parallel to the side plates 12, and multiple rows of electric cells can be placed by arranging the longitudinal beam 16, so that the capacity is improved.

Preferably, as shown in fig. 2 to 4, a fourth air duct 161 is provided inside the longitudinal beam 16, further, a first air duct opening 133 communicating with the second air duct 131 is provided in the front plate 13, a second air duct opening 143 communicating with the third air duct 141 is provided in the back plate 14, the fourth air duct 161 communicates with the second air duct 131 through the first air duct opening 133, and the fourth air duct 161 communicates with the third air duct 141 through the second air duct opening 143. Through the design of the air duct, the heat dissipation area can be enlarged, the direct air supply to the battery cell clusters is realized, and the heat dissipation is accelerated.

Further, when the length of the fourth air duct 161 is unequal to the lengths of the first air duct opening 133 and the second air duct opening 143, the first air duct opening 133 and the second air duct opening 143 can be directly communicated with the accommodating cavity, so that external air can enter the second air duct 131 or the third air duct 141 through the air opening, then enter the accommodating cavity through the first air duct opening 133 or the second air duct opening 143, flow in a gap of the electric core cluster, and directly cool the electric core cluster.

Further, as shown in fig. 1-4, at least one partition 18 may be disposed in each of the first air duct 10, the second air duct 131, the third air duct 141 and the fourth air duct 161, so as to form a plurality of sub-air ducts in the air ducts, thereby equalizing the air volume, and enhancing the strength of the air-cooled non-module type plug-in box.

In this embodiment, as shown in fig. 1, a core baffle 17 is further disposed in the lower case 1, the core baffle 17 is detachably connected to the bottom plate 11 and parallel to the back plate 14, the cores are placed between the core baffle 17 and the back plate 14, the distance from the core baffle 17 to the back plate 14 is adjusted according to the number and the size of the placed cores, and when the cores are placed in the case, the back plate 14 directly extrudes the cores to provide a pretightening force.

Specifically, in this embodiment, the lower case 1 is made of aluminum profiles, and the aluminum profiles have high surface flatness and high dimensional accuracy, and can be better matched with edge lamination, plate welding and detachable connection.

Further, as shown in fig. 7, the external air enters the second air duct 131 or the third air duct 141 through the first air duct 132 or the second air duct 142, and then may enter the first air duct 10, specifically, may flow through the fourth air duct 161 through the first air duct 133 or the second air duct 143, and may also directly enter the accommodating cavity for accommodating the battery cell, directly cool the battery cell, and finally flow out through the first air duct 132 or the second air duct 142.

The utility model provides an energy storage device, which comprises the air-cooled non-module type plug box, wherein a back plate 14 is connected to a lower box body 1 through bolts, then, cells are directly stacked in a containing cavity and cling to the back plate 14, a pretightening force is provided for the cells, the cells are welded to form a battery module, a cell baffle 17 is further connected, the shaking of the battery module is avoided, and finally, a front plate 13 and an upper cover 2 are connected, so that the assembly is completed.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides an air-cooled no module formula subrack, its characterized in that, including lower box (1) and upper cover (2), lower box (1) include bottom plate (11), curb plate (12), front bezel (13) and backplate (14), bottom plate (11) curb plate (12) front bezel (13) with form between backplate (14) and place the holding chamber of electric core, bottom plate (11) with at least one inside in curb plate (12) is equipped with first wind channel (10), front bezel (13) inside is equipped with second wind channel (131), backplate (14) inside is equipped with third wind channel (141), the both ends of first wind channel (10) communicate respectively in second wind channel (131) with third wind channel (141), front bezel (13) be equipped with first wind gap (132) of second wind channel (131) intercommunication, backplate (14) be equipped with second wind gap (142) of third wind channel (141) intercommunication, first wind gap (132) with one of second wind channel (142) is equipped with another external fan intercommunication.

2. The air-cooled modular-free plug box according to claim 1, wherein the lower box body (1) further comprises at least one longitudinal beam (16), the longitudinal beam (16) is fixedly connected to the bottom plate (11) and parallel to the side plates (12), a fourth air channel (161) is arranged inside the longitudinal beam (16), and the fourth air channel (161) is communicated with the second air channel (131) and the third air channel (141).

3. The air-cooled non-modular jack of claim 2, wherein the front plate (13) is provided with a first air duct opening (133) communicated with the second air duct (131), the back plate (14) is provided with a second air duct opening (143) communicated with the third air duct (141), and the first air duct opening (133) and the second air duct opening (143) are communicated with two ends of the fourth air duct (161).

4. The air-cooled modular-free plug box according to claim 2, wherein at least one partition plate (18) is arranged in each of the first air duct (10), the second air duct (131), the third air duct (141) and the fourth air duct (161) so as to form a plurality of sub-air ducts.

5. The air-cooled modular-free plug box according to claim 1, wherein the lower box body (1) further comprises a cell baffle (17), the cell baffle (17) is detachably connected to the bottom plate (11) and parallel to the back plate (14), and a cell is arranged between the back plate (14) and the cell baffle (17).

6. Air-cooled modular-free plug box according to claim 1, characterized in that the upper cover (2) is detachably connected to the lower box body (1).

7. The air-cooled modular-free plug box according to claim 1, wherein the side plate (12) is provided with a first air duct (10), the inner wall edge of the front plate (13) is attached to the inner wall edge of the side plate (12), and the outer wall edge of the front plate (13) is attached to the outer wall edge of the side plate (12), so that the first air duct (10) of the side plate (12) is communicated with a second air duct (131) of the front plate (13); the inner wall edge of the backboard (14) is attached to the inner wall edge of the side board (12), and the outer wall edge of the backboard (14) is attached to the outer wall edge of the side board (12), so that the first air channel (10) of the side board (12) is communicated with the third air channel (141) of the backboard (14).

8. The air-cooled modular-free plug box according to claim 1, wherein the bottom plate (11) is provided with a first air duct (10), the front plate (13) is provided with a third air duct opening (134) communicated with a second air duct (131), the back plate (14) is provided with a fourth air duct opening (144) communicated with a third air duct (141), and the third air duct opening (134) and the fourth air duct opening (144) are communicated with two ends of the first air duct (10).

9. Air-cooled modular-free plug box according to claim 1, characterized in that connecting plates are provided on both sides of the front plate (13) and/or the back plate (14).

10. An energy storage device comprising the air-cooled non-modular type plug box according to any one of claims 1-9, wherein a plurality of electric cores are stacked in the air-cooled non-modular type plug box, and the electric cores are stacked and welded into a battery module in the air-cooled non-modular type plug box.

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