CN219163515U - Heat radiation structure of energy storage battery subrack and energy storage battery subrack - Google Patents
Heat radiation structure of energy storage battery subrack and energy storage battery subrack Download PDFInfo
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- CN219163515U CN219163515U CN202320069796.0U CN202320069796U CN219163515U CN 219163515 U CN219163515 U CN 219163515U CN 202320069796 U CN202320069796 U CN 202320069796U CN 219163515 U CN219163515 U CN 219163515U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a heat radiation structure of an energy storage battery plug box and the energy storage battery plug box, wherein the heat radiation structure is positioned in the plug box and comprises an air inlet hole and an air outlet; an air guide pipe is formed between two adjacent battery modules, and one end of the air guide pipe is communicated with the air outlet; an air inlet main air channel is formed between the outer side of the battery module and the box body, and one end of the air inlet main air channel is communicated with the air inlet hole; and an air inlet secondary air channel is formed between two adjacent battery cells in each row of battery modules. According to the heat radiation structure, cold air enters the main air channel, the secondary air channel and the air guide tube in sequence from one end of the main air channel through the air inlet hole and is discharged from the air outlet; the two modules in the insertion box are provided with respective air channels, and the air channels are not interfered with each other; each module air channel adopts diagonal air inlet, a Z-shaped air channel is effectively formed, and the path through which cold air flows is the same as the path through which heat is taken away, so that the temperature difference is effectively controlled, and the consistency of the operation of the battery cell is ensured.
Description
Technical Field
The utility model relates to the technical field of secondary batteries, in particular to a heat dissipation structure of an energy storage battery plug box and the energy storage battery plug box.
Background
With the increasing demand of energy storage products in the market, the temperature sensitivity of lithium batteries is more prominent, and the problems of temperature rise and temperature difference are solved in the current container lithium battery energy storage projects. To solve this problem, the main current method is air cooling or liquid cooling. The air cooling mode of the plug box is that a fan is arranged in a panel of the plug box and then the plug box is matched with an air conditioner for exhausting and radiating.
The existing plug box air-cooling heat dissipation problem: at present, the air cooling of the plug box directly extracts air through a fan on the panel, so that the temperature rise problem can be solved, the cooling purpose is achieved, and the temperature difference problem is not well solved. The reason is that 1. Direct air draft is performed through the box fan and the air collection port at the back of the panel, and no clear air duct design is provided. 2. The air flow collision at the converging position of the air channel in the middle of the plug box can not uniformly dissipate heat. 3. The air quantity of cold air flowing through the large surface of each cell from the air inlet is different.
Therefore, a new technical scheme is necessary to be proposed.
Disclosure of Invention
In view of the above, the present utility model provides a heat dissipation structure of an energy storage battery box and the energy storage battery box, so as to overcome or at least partially solve the above problems.
According to an aspect of the present utility model, an object of the present utility model is to provide a heat dissipation structure of an energy storage battery plug box, the heat dissipation structure is located in a box body of the plug box, and includes:
the air inlet and the air outlet are both arranged on the box body;
the air inlet main air channel is formed between the outer side of the battery module and the box body, and one end of the air inlet main air channel is communicated with the air inlet hole;
the air inlet secondary air channel is formed between two adjacent battery cells in each row of battery modules, and is communicated with the air inlet main air channel;
the air guide pipe is formed between two adjacent rows of battery modules, and one end of the air guide pipe is communicated with the air outlet;
cold air sequentially enters the main air inlet channel, the secondary air inlet channel and the air guide pipe from one end of the main air inlet channel through the air inlet hole and is discharged from the air outlet.
Further, still include first baffle and the second baffle that are located the box respectively, first baffle set up in the other end in air inlet main wind channel, follow the length direction in air inlet main wind channel, the second baffle lid is located on the air inlet main wind channel, battery module outside, box, first baffle and second baffle enclose to establish into one end and have open-ended air inlet main wind channel, air inlet main wind channel passes through opening and fresh air inlet intercommunication, the length direction in air inlet main wind channel is unanimous with the length direction of box.
Further, the box body comprises a bottom plate, a cover plate, a front plate, a rear plate and two side plates, wherein the cover plate covers the box body, and the air inlet is positioned on the rear plate; the air outlet is positioned on the front plate.
Further, the box includes bottom plate, apron, front bezel, back plate and two curb plates, the apron lid is established on the box, the inlet hole is located on back plate and the curb plate, and the inlet hole on the curb plate is located the opening part in the main wind channel of inlet wind, the air outlet is located the front bezel.
Further, the length direction of induced air pipe and air inlet main duct is unanimous, the other end of induced air pipe with box sealing connection, the induced air pipe includes baffle, first induced air way and second induced air way, the baffle is located in the induced air pipe, first induced air way and second induced air way are located respectively the both sides of baffle, the length of first induced air way length and second induced air way all with the length of induced air pipe is unanimous be located the air inlet secondary duct of induced air pipe one side with first induced air way intercommunication, be located the air inlet secondary duct of induced air pipe opposite side communicates with the second induced air way.
Further, the width of the main air inlet duct is larger than that of the secondary air inlet duct.
Further, the air inlet is arranged at one end of the air guiding pipe, the air guiding pipe is communicated with the air outlet through the air inlet, and the air inlet is contracted to be in a funnel shape from an opening of the air inlet to the direction of the air guiding pipe.
Further, the air exhaust device is connected with the air outlet.
Further, the air draft device is a fan.
According to another aspect of the present utility model, the present utility model further provides an energy storage battery plug box, including a box body, and further including a heat dissipation structure of the energy storage battery plug box as described above disposed in the box body.
The technical scheme provided by the embodiment of the utility model has at least the following technical effects or advantages:
(1) According to the heat radiation structure, the back plate and the side plates close to the opening of the main air inlet channel are provided with the air inlet holes, the two sides of the battery module are provided with the main air inlet channel, one end of the main air inlet channel is provided with the opening, and cold air enters the box body from the opening at one end of the main air inlet channel through the air inlet holes.
(2) According to the heat radiation structure, the air channels of the modules at the two sides are formed by closing the cover plate above the modules and the box body of the plug box, so that the air channels of the modules at the two sides are prevented from overflowing into the box body outside the heat radiation structure, the heat radiation capacity of the battery cells which can be taken away by the heat radiation structure is the same, and the consistency of the performance of the battery cells is ensured.
(3) According to the heat dissipation structure, the air guide pipes are arranged between the two rows of modules, the air guide pipes are divided into two independent air guide pipes, so that cold air on two sides of the air guide pipes is separated and not interfered with each other, namely, the cold air on one side of each air guide pipe sequentially enters the first air inlet main air channel, the first air inlet secondary air channel and the first air guide channel through the air inlet holes, meanwhile, the cold air on the other side of each air guide pipe sequentially enters the second air inlet main air channel, the second air inlet secondary air channel and the second air guide channel through the air inlet holes, after entering the heat dissipation structure, the cold air flows through the air inlet main air channel, the air inlet secondary air channels and the air guide pipes to effectively form a Z shape, and finally, the cold air entering the first air guide channels and the second air guide channels is rotated through the fans to form negative pressure and is pumped out to achieve a heat dissipation effect.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 illustrates a schematic diagram of an energy storage battery enclosure in one embodiment;
FIG. 2 shows a schematic structural diagram of the explosion of FIG. 1;
FIG. 3 shows a side view of FIG. 1;
FIG. 4 shows a cross-sectional view taken along the direction A in FIG. 3;
FIG. 5 shows another side view of FIG. 1;
fig. 6 shows another side view of fig. 1.
The solar cell module comprises a 1-box body, a 11-bottom plate, a 12-front plate, a 13-rear plate, a 14-side plate, a 131-air inlet, a 2-battery module, a 21-battery core, a 3-air inducing pipe, a 31-partition plate, a 32-first air inducing channel, a 33-second air inducing channel, a 4-air inlet main channel, 411, 421-air inlet main channel openings, 5-air inlet secondary channels, a 6-first baffle, a 5-second baffle, an 8-air extracting device and 9-air converging ports.
Detailed Description
Reference now will be made in detail to embodiments of the application, one or more examples of which are illustrated in the drawings. Each example is provided by way of explanation, not limitation, of the present application. Indeed, it will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope or spirit of the application. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Accordingly, it is intended that the present application cover such modifications and variations as come within the scope of the appended claims and their equivalents. As used in this specification, the terms "first," "second," and the like are used interchangeably to distinguish one component from another and are not intended to represent the location or importance of the respective components. As used in this specification, the terms "a," "an," "the," and "said" are intended to mean that there are one or more elements unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements other than the listed elements. Wherein like numerals refer to like elements throughout, the present utility model is further explained below in connection with specific embodiments.
Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of an energy storage battery plug-in box in an embodiment; FIG. 2 shows a schematic structural diagram of the explosion of FIG. 1; FIG. 3 shows a side view of FIG. 1; FIG. 4 shows a cross-sectional view taken along the direction A in FIG. 3; FIG. 5 shows another side view of FIG. 1; fig. 6 shows another side view of fig. 1. As shown in fig. 1 to 6, the utility model provides a heat dissipation structure of an energy storage battery plug box, which is positioned in a box body 1 of the plug box and comprises an air inlet hole, an air outlet, an air inlet main air channel, an air inlet secondary air channel, an air guiding pipe, a first baffle, a second baffle and an air exhausting device. For convenience of description, the two main air intake ducts are respectively denoted as a first main air intake duct 41 and a second main air intake duct 42; the first baffles at the two ends of the two main air inlet channels are marked as a first left baffle 61 and a first right baffle 62; the second baffles above the two main air intake ducts are respectively marked as a second left baffle 71 and a second right baffle 72, the openings of the two main air intake ducts are respectively marked as an opening 411 of the first main air intake duct and an opening 421 of the second main air intake duct, and the secondary air intake ducts on both sides are respectively marked as a first secondary air intake duct 51 and a second secondary air intake duct 52.
As shown in fig. 1 to 4, the case 1 includes a bottom plate 11, a cover plate (not shown), a front plate 12, a rear plate 13, and two side plates 14. The box body is a sealing structure formed by surrounding a bottom plate by a front plate 12, a rear plate 13 and two side plates 14 and covering the top by a cover plate. In the case 1, two rows of battery modules 2 are provided, and the length direction of each row of battery modules 2 is identical to the length direction of the case 1. The battery modules 2 of each row are equally spaced apart from each other by a plurality of cells 21, and the longitudinal direction of each cell 21 coincides with the width direction of the case 1.
The air inlet 131 and the air outlet are both arranged on the box body 1.
Two main air inlet channels are formed between the outermost sides of the two rows of battery modules 2 and the box body 1.
In one embodiment, the main air inlet duct is formed by surrounding the outer side of the battery module, the box body, the first baffle plate and the second baffle plate. The air inlet main air duct is characterized in that one end of the air inlet main air duct is provided with an opening, the air inlet main air duct is communicated with the air inlet hole through the opening, the first baffle is arranged at the other end of the air inlet main air duct and along the length direction of the air inlet main air duct, and the second baffle cover is arranged on the air inlet main air duct. The length direction of the main air inlet duct is consistent with the length direction of the box body. Specifically, the first air inlet main duct 41 is formed by enclosing one row of the battery modules 2 outside, the box 1, the first left baffle 61 and the second left baffle 71. The first main air inlet duct 41 has an opening 411 at one end, the first main air inlet duct 41 is communicated with the air inlet 131 through the opening 411, and the first left baffle 61 is disposed at the other end of the first main air inlet duct 41. Similarly, the second main air inlet duct is symmetrically arranged with the first main air inlet duct, and the second main air inlet duct 42 is formed by surrounding the outer side of the other row of battery modules 2, the box 1, the first right baffle 662 and the second right baffle 72. The second main air inlet duct 42 has an opening 421 at one end, the second main air inlet duct 42 is communicated with the air inlet 131 through the opening 421, and the first right baffle 62 is disposed at the other end of the second main air inlet duct 42. And an air inlet secondary air channel is formed between two adjacent electric cores 21 in each row of battery modules 2, and the length direction of the air inlet secondary air channel is consistent with the length direction of the electric cores. The first air inlet secondary air duct 51 is communicated with the first air inlet main air duct 41, and the second air inlet secondary air duct 52 is communicated with the second air inlet main air duct 42. Preferably, the width of the main air inlet duct is larger than that of the secondary air inlet duct, so that a large amount of cold air can smoothly enter the secondary air inlet duct through the main air inlet duct to exchange heat.
Please refer to fig. 1 to 5. The number of the air inlets 131 is several. In one embodiment, a plurality of air inlet holes are positioned on the rear plate; in another embodiment, the air inlet holes 131 are located on the rear plate 13 and the side plate 14 at the same time, and the air inlet holes on the side plate 14 are located at the opening of the main air inlet duct. The air outlet is located on the front plate 12. According to the utility model, the air inlet main air channels are arranged on two sides of the battery module, one end of each air inlet main air channel is provided with an opening, the air inlet holes are close to the openings of the air inlet main air channels, and cold air can enter the box body from the openings of the air inlet main air channels on two sides at the same time through the air inlet holes, so that the air inlet main air channels on two sides are formed on two opposite angles of the rear plate of the box body, and air is discharged from the front plate of the box body, and the air quantity of cold air flowing through the large surface of each electric core from the air inlet holes is the same by adopting the air channel design of the opposite angles.
Please refer to fig. 2 and fig. 4. The air guide pipes 3 are formed between two adjacent rows of battery modules 2, one ends of the air guide pipes 3 are communicated with the air outlet, and the other ends of the air guide pipes 3 are in sealing connection with the box body 1. The length direction of the induced air pipe 3 is consistent with that of the main air inlet duct 4. A partition plate 31 consistent with the length direction of the air guiding pipe 3 is arranged in the air guiding pipe 3, and the partition plate 31 divides the air guiding pipe 3 into a first air guiding channel 32 and a second air guiding channel 33. Through holes (not shown) are formed in the first air guiding duct 32 and the second air guiding duct 33, and the shape of the through holes is adapted to the height and width of the air inlet secondary air duct. The first air guiding channel 32 and the second air guiding channel 33 are both communicated with the air outlet 12, the first air inlet secondary air channel 51 adjacent to the first air guiding channel 32 is communicated with the first air guiding channel 32 through a through hole of the first air guiding channel, and the second air inlet secondary air channel 52 adjacent to the second air guiding channel 33 is communicated with the second air guiding channel 33 through a through hole of the second air guiding channel. According to the utility model, the air guide pipe 3 is arranged between the two battery modules and is isolated into two channels, so that cold air at two sides of the battery modules is separated and not interfered with each other, air channels of the two battery modules are not interfered with each other, and heat taken away by the cold air is not influenced by each other.
Please refer to fig. 1 and 6. The air draft device 8 is arranged at the air outlet. The air draft device 8 is a fan, and the fan sucks air in the air draft tube 3 from the air outlet. According to the utility model, negative pressure is formed by the rotation of the fan of the front plate of the box body, and cold air of the air guiding pipe 3 in the box body is pumped away, so that the heat dissipation effect is achieved.
In one embodiment, the heat dissipation structure further comprises a wind sink 9. The air gathering port 9 is arranged at one end of the air guiding pipe 3, the first air guiding duct 32 and the second air guiding duct 33 are communicated with the air gathering port 9, the first air guiding duct 32 and the second air guiding duct 33 are communicated with the air outlet through the air gathering port 9, and the air gathering port 9 is contracted to be in a funnel shape from an opening of the air gathering port to the direction of the air guiding pipe.
Referring to fig. 4, the arrow direction in fig. 4 is the flow direction of the cold air in the heat dissipation structure. As can be seen from fig. 4, the heat dissipation process and the cold air flow path of the heat dissipation structure of the present utility model are as follows: firstly, cold air enters the air inlet main air channels on two sides simultaneously from the air inlet holes through the air inlet main air channel openings on two sides of the box body, then enters the first air inlet secondary air channel 51 through the first air inlet main air channel 41, meanwhile, cold air enters the second air inlet secondary air channel 52 through the second air inlet main air channel 42, at this time, the cold air simultaneously flows through the large faces of the electric cores 21 in the two rows of battery modules so as to bring away heat generated by the electric cores, then the cold air flowing through the second air inlet secondary air channel 51 enters the first air outlet channel 32, meanwhile, the cold air flowing through the second air inlet secondary air channel 52 enters the second air outlet channel 33, the fan rotates to form negative pressure, and the cold air with heat in the first air outlet channel 32 and the second air outlet channel 33 is pumped away through the air collecting port 9.
In another embodiment, the utility model further provides an energy storage battery plug box, which comprises a box body 1 and the heat dissipation structure of the energy storage battery plug box, wherein the heat dissipation structure is arranged in the box body 1.
The heat dissipation structure of the utility model has the following advantages:
(1) According to the heat radiation structure, the back plate and the side plates close to the opening of the main air inlet channel are provided with the air inlet holes, the two sides of the battery module are provided with the main air inlet channel, one end of the main air inlet channel is provided with the opening, and cold air enters the box body from the opening at one end of the main air inlet channel through the air inlet holes.
(2) According to the heat radiation structure, the air channels of the modules at the two sides are formed by closing the cover plate above the modules and the box body of the plug box, so that the air channels of the modules at the two sides are prevented from overflowing into the box body outside the heat radiation structure, the heat radiation capacity of the battery cells which can be taken away by the heat radiation structure is the same, and the consistency of the performance of the battery cells is ensured.
(3) According to the heat dissipation structure, the air guide pipes are arranged between the two rows of modules, the air guide pipes are divided into two independent air guide pipes, so that cold air on two sides of the air guide pipes is separated and not interfered with each other, namely, the cold air on one side of each air guide pipe sequentially enters the first air inlet main air channel, the first air inlet secondary air channel and the first air guide channel through the air inlet holes, meanwhile, the cold air on the other side of each air guide pipe sequentially enters the second air inlet main air channel, the second air inlet secondary air channel and the second air guide channel through the air inlet holes, after entering the heat dissipation structure, the cold air flows through the air inlet main air channel, the air inlet secondary air channel and the air guide pipes to effectively form a Z shape, and finally, the cold air entering the first air guide channels and the second air guide channels rotates through the fans to form negative pressure and is pumped out to achieve a heat dissipation effect.
While the foregoing is directed to the preferred embodiments of the present utility model, other and further modifications and improvements will readily occur to those skilled in the art based on the teachings herein, and it is intended that all such modifications and improvements be within the scope of this utility model. This written description uses examples to disclose the application, including the best mode, and also to enable any person skilled in the art to practice the application, including making and using any devices or systems and performing any incorporated methods. The patentable scope of the application is defined by the claims, and may include other embodiments that occur to those skilled in the art. Such other embodiments are intended to be within the scope of the claims if they include structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.
Claims (10)
1. A heat radiation structure of energy storage battery subrack, the heat radiation structure is located the box of subrack, its characterized in that includes:
the air inlet and the air outlet are both arranged on the box body;
the air inlet main air channel is formed between the outer side of the battery module and the box body, and one end of the air inlet main air channel is communicated with the air inlet hole;
the air inlet secondary air channel is formed between two adjacent battery cells in each row of battery modules, and is communicated with the air inlet main air channel;
the air guide pipe is formed between two adjacent rows of battery modules, and one end of the air guide pipe is communicated with the air outlet;
cold air sequentially enters the main air inlet channel, the secondary air inlet channel and the air guide pipe from one end of the main air inlet channel through the air inlet hole and is discharged from the air outlet.
2. The heat dissipating structure of an energy storage battery compartment of claim 1, further comprising:
the battery module, the box, the first baffle and the second baffle are arranged in the box respectively, the first baffle is arranged at the other end of the air inlet main air channel and along the length direction of the air inlet main air channel, the second baffle cover is arranged on the air inlet main air channel, the battery module, the box, the first baffle and the second baffle are enclosed to form an air inlet main air channel with one end provided with an opening, the air inlet main air channel is communicated with the air inlet hole through the opening, and the length direction of the air inlet main air channel is consistent with the length direction of the box.
3. The heat dissipating structure of an energy storage battery compartment as defined in claim 2,
the box body comprises a bottom plate, a cover plate, a front plate, a rear plate and two side plates, the cover plate is covered on the box body,
the air inlet is positioned on the rear plate, and the air outlet is positioned on the front plate.
4. The heat dissipating structure of an energy storage battery compartment as defined in claim 2,
the box body comprises a bottom plate, a cover plate, a front plate, a rear plate and two side plates, the cover plate is covered on the box body,
the air inlet holes are respectively arranged on the rear plate and the side plates, the air inlet holes on the side plates are positioned at the opening of the main air inlet duct, and the air outlet is positioned on the front plate.
5. The heat radiation structure of energy storage battery jack of claim 1, wherein the length direction of the air guiding pipe and the air inlet main air duct is consistent, the other end of the air guiding pipe is in sealing connection with the box body, the air guiding pipe comprises a partition plate, a first air guiding duct and a second air guiding duct, the partition plate is positioned in the air guiding pipe, the first air guiding duct and the second air guiding duct are respectively positioned at two sides of the partition plate, the length of the first air guiding duct and the length of the second air guiding duct are both consistent with the length of the air guiding pipe, the air inlet secondary air duct positioned at one side of the air guiding pipe is communicated with the first air guiding duct, and the air inlet secondary air duct positioned at the other side of the air guiding pipe is communicated with the second air guiding duct.
6. The heat dissipation structure of an energy storage battery compartment of claim 1, wherein: the width of the main air inlet duct is larger than that of the secondary air inlet duct.
7. The heat dissipation structure of an energy storage battery plug box according to claim 1, further comprising an air converging opening, wherein the air converging opening is arranged at one end of the air guiding pipe, the air guiding pipe is communicated with the air outlet through the air converging opening, and the air converging opening is contracted in a funnel shape from an opening of the air converging opening to the direction of the air guiding pipe.
8. The heat dissipating structure of an energy storage battery compartment of claim 1 or 7, further comprising an air extraction device, wherein the air extraction device is connected to the air outlet.
9. The heat dissipating structure of an energy storage battery compartment of claim 8, wherein the air extraction device is a fan.
10. An energy storage battery plug box, comprising a box body, and further comprising a heat dissipation structure of the energy storage battery plug box according to any one of claims 1-9 arranged in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320069796.0U CN219163515U (en) | 2023-01-10 | 2023-01-10 | Heat radiation structure of energy storage battery subrack and energy storage battery subrack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320069796.0U CN219163515U (en) | 2023-01-10 | 2023-01-10 | Heat radiation structure of energy storage battery subrack and energy storage battery subrack |
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| CN219163515U true CN219163515U (en) | 2023-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505121A (en) * | 2023-04-04 | 2023-07-28 | 北京双登慧峰聚能科技有限公司 | Air-cooled battery module |
-
2023
- 2023-01-10 CN CN202320069796.0U patent/CN219163515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505121A (en) * | 2023-04-04 | 2023-07-28 | 北京双登慧峰聚能科技有限公司 | Air-cooled battery module |
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