CN213340505U - Air duct structure of energy storage container - Google Patents
Air duct structure of energy storage container Download PDFInfo
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- CN213340505U CN213340505U CN202022046621.7U CN202022046621U CN213340505U CN 213340505 U CN213340505 U CN 213340505U CN 202022046621 U CN202022046621 U CN 202022046621U CN 213340505 U CN213340505 U CN 213340505U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides an air duct structure of an energy storage container, which relates to the field of air duct structures and comprises a main air duct and a side air duct positioned at the lower end of the main air duct, wherein the main air duct is a cylinder body with one end open and the other end closed, the open end of the main air duct is an air inlet, the closed end is a closed opening, the cross section area of the main air duct is gradually reduced from the air inlet to the closed opening in a certain gradually reducing proportion, the number of the side air ducts is more than two, and the main air duct is communicated with the side air duct; the air inlet is connected with the air outlet of the air conditioning equipment, and the side air duct is connected with the battery box. The utility model discloses the cross sectional area in well main wind channel reduces with certain convergent proportion gradually for the amount of wind in each side wind channel is almost the same, ensures that each battery box receives the wind evenly, has improved the life of battery box. The air quantity of each side air channel can be obtained through simulation of simulation software, the air channel is simple in structure, and installation difficulty of workers and labor and material cost are reduced.
Description
Technical Field
The utility model belongs to wind channel structure field especially relates to an energy storage container wind channel structure.
Background
The energy storage container, owing to a large amount of energy storage batteries of its incasement configuration can release a large amount of heats at the in-process of charging and discharging, so need dispel the heat to it to improve battery module's life. The current energy storage container guarantees that each battery module obtains stable unanimous cold wind through configuration constant temperature air conditioner and installation air conditioner wind channel to improve the heat dissipation rate of battery module.
The cross section of the air conditioning duct is generally circular or square, and a square passage is generally adopted in a narrow container space for installation convenience. For the air-conditioning air duct with simple design, a container company can design and install the air-conditioning air duct by himself, namely, a main air duct is connected to an air outlet of the air conditioner and fixed above the battery boxes, the main air duct extends to the last battery box along the arrangement direction of the battery boxes, and then a branch duct opening is formed above each battery box, so that cold air can be uniformly blown to each battery box. The advantage of this design need not to possess design experience and can install by oneself, and the shortcoming is that this kind of structure can cause the side wind channel amount of wind that is close to the air intake to be little, and the side wind channel amount of wind that keeps away from the air intake is big, and the inhomogeneous messenger battery module that makes of amount of wind has relatively poor heat dissipation homogeneity to reduce battery module's life.
The design mode of the uniform air supply duct has two types: (1) adjusting the section area of the main air duct above the battery box, and keeping the section area of each branch duct opening unchanged; (2) keeping the section of the main air duct unchanged, and adjusting the section area of each branch opening. Considering the convenience of the installation process, obviously, the size of the main air duct is designed and adjusted preferentially, and the cross section area of each branch opening is kept unchanged to cope with the disordered environment of an installation site.
The air duct system used by a container energy storage power station invented by the middle-aviation lithium battery technology research institute Limited company divides the main air duct section into two gradients, the section area of the front half part is large, and the section area of the rear half part is small, so that the section area of the main air duct is adjusted. The invention relates to an energy storage container air conditioning ventilation device invented by Changzhou vehicle wing power technology Limited company, which divides the section of a main air duct into three gradients, the sectional areas are sequentially reduced along the wind direction, and the principle is similar. Another variation, such as "heat dissipation duct, heat dissipation system and energy storage container" invented by honeycomb energy technology ltd, employs a rotatable splitter plate mounted at the top of the main duct, and the air volume of the main duct is adjusted by the rotation of the splitter plate relative to the main duct. In addition, the concept of a low-pressure-loss main air duct of an energy storage container invented by the Huaqiang new energy science and technology Limited company in Jiangsu province installs a large number of flow deflectors in the main air duct and the branch air duct to adjust the air volume so as to realize uniform air supply.
The design of the air duct is a very delicate work, and the air duct not only needs to consider the material, the pipe diameter, the corner structure and the like of the flow channel, but also needs to consider the properties of the flow velocity, the temperature, the viscosity and the like of the fluid, and also needs to be matched with links of civil engineering, electrical engineering, water supply and drainage and the like to be consistent. In the prior art, the service life of the battery is shortened due to uneven air supply of the air duct caused by the simple air duct design, the rest air duct is complex in design structure and high in installation difficulty, and the cost of manpower and material resources is increased.
Therefore, those skilled in the art are dedicated to develop an air duct structure of an energy storage container, so that the simple, flexible and reliable air duct structure can be improved on the premise of ensuring the even wind of the battery box.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to provide an energy storage container wind channel structure to can improve the simple nimble reliability of wind channel structure under the even prerequisite of guaranteeing that the battery box receives the wind, through the quantity that reduces the part, avoid complicated local component, make container wind channel structure be convenient for install, adjust, control and maintain.
In order to achieve the above object, the utility model provides an energy storage container wind channel structure, a serial communication port, including main wind channel and the side wind channel that is located the main wind channel lower extreme, the main wind channel is one end opening, the other end confined barrel.
The opening end of the main air duct is the air inlet, the closed end of the main air duct is a closed opening, and the cross section area of the main air duct is gradually reduced from the air inlet to the closed opening in a certain gradually-reduced proportion.
The number of the side air channels is more than two.
The main air duct is communicated with the side air duct.
The air inlet is connected with an air outlet of the air conditioning equipment, and the side air duct is connected with the battery box.
Further, the cross section of the main air duct is square.
Square cross sectional shape the main air duct has higher installation convenience, makes things convenient for the workman to install in narrow and small container space the main air duct.
Further, the calculation formula of the tapering ratio is as follows:
the tapering ratio is 45% -75%.
Preferably, when the tapering ratio is 60%, the air volume of the side air duct has high uniformity.
The uniformly reduced cross section area of the main air duct avoids the sudden reduction of the cross section area to form a large amount of vortex, and reduces unnecessary energy loss.
Further, the length of the main air duct is 3000 mm-12000 mm, and is 9000mm and 12000mm in common use.
Further, the theoretical air quantity of the side air duct is obtained through simulation of ansys simulation software.
And inputting the length of the main air duct, the section area of the initial end of the main air duct, the section area of the tail end of the main air duct, the quantity of the side air ducts and the section area of the side air ducts into the simulation software to obtain the air volume value of each side air duct, and further judging the uniformity of the air volume of each side air duct.
Further, the number of the side air ducts is the same as the number of the battery boxes.
Further, the side air ducts are fixedly distributed at the lower end of the main air duct at equal intervals.
Furthermore, the shape and the size of each side air duct are the same.
Further, the distance between two adjacent side air ducts is 250-350 mm.
The utility model discloses following beneficial technological effect has at least:
(1) the cross-sectional area of the main air duct is gradually reduced in a certain gradually-reduced proportion, so that the air quantity of each side air duct is almost the same, the air receiving uniformity of each battery box is ensured, and the service life of each battery box is prolonged.
(2) The air duct structure of the container can be simulated by simulation software to obtain the air volume of each side air duct before actual production and installation, so that the optimal air duct structure size information is obtained according to theoretical analysis and calculation, and unnecessary production waste is avoided.
(3) The container air duct is simple in structure, and reduces the installation difficulty of workers and the cost of manpower and material resources.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a front view of a prior art simple air duct structure;
FIG. 2 is a prior art simple duct trace diagram;
FIG. 3 is a schematic view of an energy storage container duct structure;
FIG. 4 is a front view of an energy storage container duct structure;
FIG. 5 is a diagram of a side air duct position relationship in an air duct structure of an energy storage container;
fig. 6 is a graph of an energy storage container duct trace.
The reference numbers are as follows: 1-an air inlet; 2-a main air duct; 3-sealing the opening; 4-side tuyere.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Table 1 shows the air volume values of the side air ducts 4 corresponding to the cross-sectional areas of the different main air ducts 2 simulated by ansys simulation software, a positive value indicates an inlet, a negative value indicates an outlet, the length of the main air duct 2 simulated by the simulation software is 3000mm, and the cross-sectional areas of the side air ducts 4 are all 200mm × 150mm, wherein:
the gradual expansion of the cross section area of the main air duct 2 means that the cross section area of the initial end of the main air duct 2 is 300mm multiplied by 400mm, and the cross section area of the tail end of the main air duct 2 is 400mm multiplied by 500 mm;
the cross section area of the main air duct 2 is reduced, namely the cross section area of the initial end of the main air duct 2 is 400mm multiplied by 500mm, and the cross section area of the tail end of the main air duct 2 is 300mm multiplied by 400 mm;
the unchanged cross-sectional area of the main air duct 2 means that the cross-sectional area of the initial end of the main air duct 2 is 300mm × 400mm, and the cross-sectional area of the tail end of the main air duct 2 is 300mm × 400 mm.
TABLE 1
As can be seen from Table 1:
(1) when the cross section area of the main air duct 2 is gradually enlarged, the air quantity of each side air duct 4 is gradually reduced;
(2) when the cross section area of the main air duct 2 is reduced gradually, the air quantity deviation of each side air duct 4 is small and basically uniform;
(3) when the cross section area of the main air duct 2 is unchanged, the air volume of each side air duct 4 is gradually increased.
Fig. 1-2 are a front view and an air duct trace diagram of an air duct structure of an energy storage container in the prior art, and it can be seen from the drawings that a main air duct 2 has the same cross sectional area, in the process of utilizing air conditioning equipment to carry out heat dissipation and cooling on a battery box through the air duct structure, the air volume difference of each side air duct 4 is large, the air volume in the side air duct 4 close to the initial end of the main air duct 2 is small, the air volume in the side air duct 4 close to the tail end of the main air duct 2 is large, and the service life of the battery box can be greatly reduced due to the uneven air volume of each side air duct 4.
Example 1:
in fig. 3 to 6, in a preferred embodiment, an air duct structure of an energy storage container includes a main air duct 2 and a side air duct 4 located at a lower end of the main air duct 2, where the main air duct 2 is a cylinder with an open end and a closed end.
The opening end of the main air duct 2 is the air inlet 1, the closed end is the closed end 3, and the cross-sectional area of the main air duct 2 is gradually reduced from the air inlet 1 to the closed end 3 in a certain gradually-reduced proportion.
The number of the side air ducts 4 is more than two.
The main air duct 2 is communicated with the side air duct 4.
The air inlet 1 is connected with an air outlet of the air conditioning equipment, and the side air duct 4 is connected with the battery box.
The cross section of the main air duct 2 is square.
Square cross sectional shape main wind channel 2 has higher installation convenience, makes things convenient for the workman to install in narrow and small container space main wind channel 2.
The calculation formula of the reducing ratio is as follows:
the reducing proportion is 71%, wherein the cross section area of the initial end of the main air duct 2 is 400mm multiplied by 500mm, and the cross section area of the tail end of the main air duct 2 is 330mm multiplied by 430 mm.
The cross section area of the main air duct 2 which is uniformly reduced gradually avoids the sudden reduction of the cross section area to form a large amount of vortex, and unnecessary energy loss is reduced.
The theoretical air quantity of the side air duct 4 is obtained through simulation of ansys simulation software.
The length of the main air duct 2 is 3000mm, the cross section area of the initial end of the main air duct 2 is 400mm multiplied by 500mm, the cross section area of the tail end of the main air duct 2 is 330mm multiplied by 430mm, the number of the side air ducts 4 is 5, and the cross section areas of the side air ducts 4 are 200mm multiplied by 150 mm.
The number of the side air ducts 4 is 5 as many as the number of the battery boxes.
The side air ducts 4 are fixedly distributed at the lower end of the main air duct 2 at equal intervals.
Further, the distance between the two adjacent air ducts 4 is 300 mm.
The simulation results of the air volume of each side air duct 4 are shown in table 2.
Example 2:
in a preferred embodiment, as shown in fig. 3-6, the size parameters of the air duct structure in embodiment 2 are substantially the same as those in embodiment 1, except that the cross-sectional area of the primary air duct 2 is 400mm × 500mm, and the cross-sectional area of the end of the primary air duct 2 is 300mm × 400mm, i.e. the tapering ratio is 60%.
The simulation results of the air volume of each side air duct 4 are shown in table 2.
Example 3:
in a preferred embodiment, as shown in FIGS. 3-6, the size parameters of the air duct structure in embodiment 3 are substantially the same as those in embodiment 1, except that the cross-sectional area of the primary air duct 2 is 400mm × 500mm, and the cross-sectional area of the end of the primary air duct 2 is 270mm × 370mm, i.e. the tapering ratio is 50%.
The simulation results of the air volume of each side air duct 4 are shown in table 2.
As can be seen from table 2 and fig. 3 to 6, in example 2, that is, when the taper ratio is 60%, the air volume of the 5 side ducts 4 is the most stable and close to the average air volume. When the length of the main air duct 2 is fixed, an optimal value exists in the tapering ratio, and the optimal value can be obtained through simulation by simulation software.
TABLE 2
| Item | Example 1 | Example 2 | Example 3 |
| Air inlet | 1.249961 | 1.250025 | 1.250013 |
| Side air duct 1 | -0.22999 | -0.23024 | -0.23008 |
| Side air duct 2 | -0.23902 | -0.24019 | -0.24833 |
| Side air duct 3 | -0.24384 | -0.25327 | -0.23687 |
| Side air duct 4 | -0.25946 | -0.25095 | -0.25747 |
| Side air duct 5 | -0.27853 | -0.23024 | -0.27821 |
Claims (10)
1. An air duct structure of an energy storage container is characterized by comprising a main air duct (2) and a side air duct (4) positioned at the lower end of the main air duct (2), wherein the main air duct (2) is a cylinder with one end open and the other end closed;
the opening end of the main air duct (2) is an air inlet (1), the closed end of the main air duct is a closed opening (3), and the cross section area of the main air duct (2) is gradually reduced from the air inlet (1) to the closed opening (3) in a certain gradually reducing proportion;
the number of the side air ducts (4) is more than two;
the main air duct (2) is communicated with the side air duct (4);
the air inlet (1) is connected with an air outlet of the air conditioning equipment, and the side air duct (4) is connected with the battery box.
2. An energy storage container air duct structure according to claim 1, characterized in that the cross-section of the main air duct (2) is square.
3. The air duct structure for energy storage containers of claim 1, wherein the calculation formula of the tapering ratio is as follows:
the tapering ratio is 45% -75%.
4. The air duct structure for energy storage containers of claim 1, wherein the taper ratio is 60%.
5. The air duct structure of the energy storage container as claimed in claim 1, wherein the length of the main air duct (2) is 3000 mm-12000 mm.
6. The air duct structure of the energy storage container according to claim 1, characterized in that the theoretical air volume of the side air duct (4) is simulated by ansys simulation software.
7. An energy storage container air duct structure according to claim 1, characterized in that the number of side air ducts (4) is the same as the number of battery boxes.
8. The air duct structure for energy storage containers as claimed in claim 1, characterized in that the side air ducts (4) are fixedly distributed at equal intervals at the lower end of the main air duct (2).
9. The air duct structure of the energy storage container as claimed in claim 1, wherein the shape and size of each side air duct (4) are the same.
10. The air duct structure of the energy storage container as claimed in claim 1, wherein the distance between two adjacent side air ducts (4) is 250 mm-350 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046621.7U CN213340505U (en) | 2020-09-16 | 2020-09-16 | Air duct structure of energy storage container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046621.7U CN213340505U (en) | 2020-09-16 | 2020-09-16 | Air duct structure of energy storage container |
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| Publication Number | Publication Date |
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| CN213340505U true CN213340505U (en) | 2021-06-01 |
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