Cooling structure of air-cooled industrial and commercial energy storage equipment

Abstract

The utility model relates to the field of air-cooled industrial and commercial energy storage equipment, in particular to an air-cooled industrial and commercial energy storage equipment heat dissipation structure which comprises a shell assembly, a plurality of energy storage battery packs are arranged in the shell assembly, a ventilation side wall is formed on the side wall of one side of the shell assembly, and a ventilation device is arranged on the ventilation side wall. A gap is formed between the energy storage battery pack and the ventilation side wall to form an air inlet cavity; a first air duct piece is arranged in the air inlet cavity, the first air duct piece is provided with a hollow middle beam and two hollow vertical beams which are located at the two ends of the middle beam and extend longitudinally, a first air inlet communicated with the ventilation device is formed in the side, close to the ventilation side wall, of the middle beam, and first air outlets are formed in the side faces, close to each other, of the vertical beams. The first air duct piece is arranged between the ventilation device and the energy storage battery pack to form air uniformly distributed between the two vertical beams, so that the heating and cooling temperature control effect of each battery pack is more balanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air -cooled commercial and industrial energy storage equipment field, concretely relates to air -cooled commercial and industrial energy storage equipment heat radiation structure. BACKGROUND

[0002] Commercial and industrial energy storage equipment usually is equipped with multiple battery packs, and each battery pack is composed of n lithium battery monomers through series and parallel connection, and the lithium battery is the main source of heat in the battery pack, but it is extremely sensitive to temperature, and will cause abnormal work of the lithium battery and fire and combustion to cause irreversible serious harm if the temperature exceeds or is lower than a certain temperature. Usually, a ventilation device is arranged on the shell, air is blown to the battery pack through the ventilation device to realize temperature control, however, the air outlet of the ventilation device is local and directly blows to part of the battery pack, and the heating and cooling effects of the battery pack not blown to and the battery pack blown to have obvious differences, so that the working environment temperature provided for the lithium battery is poor. SUMMARY

[0003] The utility model discloses a kind of air-cooled commercial and industrial energy storage equipment heat radiation structures to overcome the shortcomings and deficiencies of prior art.

[0004] The technical scheme adopted by the utility model is as follows: a kind of air-cooled commercial and industrial energy storage equipment heat radiation structure, including shell assembly, multiple energy storage battery packs are arranged in the shell assembly,

[0005] The side wall of the shell assembly forms a ventilation side wall, and the ventilation side wall is provided with a ventilation device;

[0006] The gap between the energy storage battery pack and the ventilation side wall forms an air inlet cavity;

[0007] The first air duct piece is arranged in the air inlet cavity, the first air duct piece has a hollow intermediate beam and two hollow longitudinal extending vertical beams located at both ends of the intermediate beam, the intermediate beam is communicated with the inner cavity of the vertical beam, the side of the intermediate beam close to the ventilation side wall is provided with a first air inlet communicated with the ventilation device, and the first air outlet is arranged on the side face close to each other of the vertical beam.

[0008] The first air outlet is provided with a plurality of first air outlets, and is distributed along the longitudinal extension direction of the vertical beam.

[0009] The gap between the energy storage battery pack and the other circumferential side wall of the shell assembly except the ventilation side wall forms an air return cavity, and the air inlet cavity is communicated with the air return cavity;

[0010] The second air duct piece is arranged in the shell assembly.

[0011] The second air duct part is provided with a second air inlet communicated with the return air cavity and a second air outlet communicated with the ventilation device.

[0012] The plurality of energy storage battery packs are arranged in a longitudinal direction, the second air duct part comprises a wind collecting plate arranged above or below the energy storage battery packs arranged in the longitudinal direction or between adjacent energy storage battery packs and an air outlet plate arranged in the air inlet cavity, the wind collecting plate and the air outlet plate are hollow, the inner cavity of the wind collecting plate is communicated with the inner cavity of the air outlet plate, the second air inlet is arranged on the wind collecting plate, and the second air outlet is arranged on one side of the air outlet plate close to the ventilation side wall.

[0013] The edge of the wind collecting plate close to the other circumferential side wall of the shell assembly except the ventilation side wall is protruded relative to the edge of the energy storage battery pack, and the second air inlet is provided with a plurality of second air inlets and is distributed at the position of the wind collecting plate protruded relative to the edge of the energy storage battery pack.

[0014] The wind collecting plate is arranged above the energy storage battery packs arranged in the longitudinal direction, the position of the wind collecting plate protruded relative to the edge of the energy storage battery pack forms a first inclined surface downward, and the second air inlet is arranged on the first inclined surface.

[0015] The wind collecting plate is arranged above the energy storage battery packs arranged in the longitudinal direction, one end of the wind collecting plate close to the ventilation side wall extends downward to form an air outlet plate, the upper end of the vertical beam is located on both sides of the air outlet plate, and a certain spacing is arranged between the vertical beam and the side walls on both sides of the air outlet plate.

[0016] The air outlet plate is large downward and small upward, the side walls on both sides form a second inclined surface, and the side close to the upper end of the vertical beam forms a third inclined surface.

[0017] The side close to the energy storage battery pack of the air outlet plate is a fourth inclined surface.

[0018] The first air duct part is provided with a mounting frame, and the mounting frame is fixedly connected with the shell assembly.

[0019] The shell assembly is provided with a mounting frame, and the wind collecting plate and the energy storage battery pack are limited in the mounting frame.

[0020] The first air duct part is provided with a mounting frame, and the mounting frame is fixedly connected with the shell assembly. BRIEF DESCRIPTION OF DRAWINGS

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, obtaining other drawings based on these drawings without creative effort still falls within the scope of this utility model.

[0022] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0023] Figure 2 This is a cross-sectional view of one embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the structure of a hidden ventilation sidewall according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the energy storage battery pack in one embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the first air duct component in one embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the second air duct component in one embodiment of the present invention;

[0028] Figure 7 This is a side view of the second air duct component in one embodiment of the present invention;

[0029] Figure 8 This is a schematic diagram of the internal structure in one embodiment of the present invention;

[0030] Figure 9 for Figure 2 Enlarged schematic diagram of section I;

[0031] Figure 10 This is a schematic diagram of the ventilation device in one embodiment of the present invention;

[0032] In the picture,

[0033] Energy storage battery pack -100, ventilation opening -110;

[0034] First air duct component-200, intermediate beam-210, first air inlet-211, vertical beam-220, first air outlet-221, third inclined surface-222, mounting bracket-230;

[0035] Second air duct piece-300, air collecting plate-310, second air inlet-311, first inclined surface-312, air outlet plate-320, second air outlet-321, second inclined surface-322, fourth inclined surface-323;

[0036] Ventilation side wall-400, ventilation device-410, air outlet-411, air return-412;

[0037] Mounting frame-500;

[0038] Air inlet cavity-A, air return cavity-B. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described further in detail below in combination with the drawings.

[0040] It should be noted that all the expressions of "first" and "second" in the embodiments of the utility model are used to distinguish two same name non-same entities or non-same parameters, and "first" and "second" are only for the convenience of expression, and should not be understood as the limitation of the embodiments of the utility model, and subsequent embodiments will not be described one by one.

[0041] The direction and position terms mentioned in the utility model, such as up, down, front, back, left, right, inside, outside, top, bottom, side, etc., are only the direction or position of the drawings. Therefore, the direction and position terms used are used to explain and understand the utility model, and are not limited to the protection scope of the utility model.

[0042] As shown in Figures 1-2 A forced air cooling type industrial and commercial energy storage equipment heat dissipation structure, comprising a shell assembly, a plurality of energy storage battery packs 100 are arranged in the shell assembly, a ventilation side wall 400 is formed on one side wall of the shell assembly, and a ventilation device 410 is arranged on the ventilation side wall 400. The ventilation device 410 is used to control the temperature of the energy storage battery pack 100, and according to the temperature change of the energy storage battery pack 100, hot air or cold air is blown out to heat or cool the energy storage battery pack 100. In this embodiment, the ventilation side wall 400 is a rear door of the shell assembly, and the ventilation side wall 400 is openable.

[0043] The energy storage battery pack 100 and the ventilation side wall 400 are provided with a gap to form an air inlet cavity A. Figure 2 , Figure 3 As shown in Figure 4As shown, the first air duct piece 200 has a hollow intermediate beam 210 and two hollow longitudinal extending vertical beams 220 at both ends of the intermediate beam 210, the intermediate beam 210 is in communication with the inner cavities of the vertical beams 220, the first air duct piece 200 is provided with a first air inlet 211 in communication with the ventilation device 410 on the side close to the ventilation side wall 400, and the first air outlet 221 is provided on the side close to the vertical beam 220. The wind blown by the ventilation device 410 is directly blown to the energy storage battery pack 100 and is relatively concentrated. The first air duct piece 200 of the embodiment can guide the wind blown by the ventilation device 410, and the two vertical beams blow air to the area between them through the first air outlet 221, forming wind uniformly distributed between the two vertical beams, so that the temperature control effect of heating and cooling of each battery pack is more balanced.

[0044] Further, the first air outlet 221 of the embodiment is provided with a plurality of first air outlets, which are distributed along the longitudinal extension direction of the vertical beam 220.

[0045] Further, the first air duct piece 200 is provided with a mounting bracket 230, which is fixedly connected with the shell assembly, specifically detachably connected, which can adopt common detachable connection fixing modes such as bolt fixing, buckle fixing, etc.

[0046] The energy storage battery pack 100 and the other circumferential side walls of the shell assembly except the ventilation side wall 400 are provided with gaps to form a return air cavity B, as shown in Figure 4 As shown, the energy storage battery pack 100 is provided with a ventilation port 110 on the circumferential side wall, the air inlet cavity A is in communication with the return air cavity B through the ventilation port 110 on the energy storage battery pack 100 and the gap between the energy storage battery pack 100, and the wind uniformly distributed between the two vertical beams enters the return air cavity B after completing heat exchange with the energy storage battery pack 100, and the second air duct piece 300 is arranged in the shell assembly of the embodiment, which is used for guiding the return air cavity B to the ventilation device 410 for return air. As shown in Figure 5 、 Figure 6 As shown, the second air duct piece 300 is provided with a second air inlet 311 in communication with the return air cavity B and a second air outlet 321 in communication with the ventilation device 410.

[0047] As shown in Figure 7As shown, the plurality of energy storage battery packs 100 are longitudinally stacked on the mounting frame 500, the second air duct member 300 includes a wind collecting plate 310 arranged above or below the longitudinally stacked energy storage battery packs 100 or between adjacent energy storage battery packs 100 and an air outlet plate 320 arranged in the air inlet cavity A, the wind collecting plate 310 is hollow and the air outlet plate 320 is hollow, the inner cavity of the wind collecting plate 310 is in communication with the inner cavity of the air outlet plate 320, the second air inlet 311 is arranged on the wind collecting plate 310, and the second air outlet 321 is arranged on the side of the air outlet plate 320 close to the ventilation side wall 400. In this way, space can be saved.

[0048] Further, the edge of the wind collecting plate 310 close to the other circumferential side wall of the shell assembly except the ventilation side wall 400 is protruded relative to the edge of the energy storage battery pack 100, and the second air inlet 311 is provided with a plurality of second air inlets and is distributed at the position where the edge of the wind collecting plate 310 is protruded relative to the edge of the energy storage battery pack 100. In this way, the contact area of the wind collecting plate 310 and the return air cavity B can be increased, and the return air efficiency can be improved.

[0049] Further, as shown in Figures 5-7 The wind collecting plate 310 is arranged above the longitudinally stacked energy storage battery packs 100, the position where the edge of the wind collecting plate 310 is protruded relative to the edge of the energy storage battery pack 100 forms a first inclined surface 312 downwardly, and the second air inlet 311 is arranged on the first inclined surface 312. The contact area of the wind collecting plate 310 and the return air cavity B can be further increased, and the return air efficiency can be further improved.

[0050] The wind collecting plate 310 is also limited in the mounting frame 500, and the edge region of the wind collecting plate 310 close to the other circumferential side wall of the shell assembly except the ventilation side wall 400 does not exceed the outer edge of the mounting frame 500, facilitating subsequent assembly.

[0051] Further, the wind collecting plate 310 is arranged above the longitudinally stacked energy storage battery packs 100, one end of the wind collecting plate 310 close to the ventilation side wall 400 extends downwardly to form the air outlet plate 320, and the upper end of the vertical beam 220 is located on both sides of the air outlet plate 320 and a certain gap is provided between the vertical beam 220 and the side walls on both sides of the air outlet plate 320. The air outlet of the vertical beam 220 is prevented from being blocked by the air outlet plate 320.

[0052] Further, the air outlet plate 320 is large downwardly and small upwardly, the side walls on both sides form a second inclined surface 322, and the side close to the upper end of the vertical beam 220 forms a third inclined surface 222. The gap between the air outlet plate 320 and the vertical beam 220 is increased, and the air distribution is more uniform.

[0053] Further, as shown in Figure 7 The side close to the energy storage battery pack 100 of the air outlet plate 320 is a fourth inclined surface 323,Figure 8 As shown, a cavity is formed between the fourth inclined surface 323 and the energy storage battery pack 100. The vertical beam 220 discharges air into the cavity to prevent uneven airflow to the energy storage battery pack 100 inside the air outlet plate 320. At the same time, it can guide the return air.

[0054] like Figure 10 As shown, the ventilation device 410 has an air blowing port 411 and an air return port 412 on its inner side, which are respectively connected to the first air inlet 211 of the first air duct component 200 and the second air outlet 321 of the second air duct component 300 for blowing and returning air.

[0055] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An air-cooled commercial energy storage device heat dissipation structure, comprising a shell assembly, a plurality of energy storage battery packs (100) are arranged in the shell assembly, a ventilation side wall (400) is formed on one side wall of the shell assembly, and a ventilation device (410) is arranged on the ventilation side wall (400). Characterized in that: A gap is arranged between the energy storage battery pack (100) and the ventilation side wall (400) to form an air inlet cavity (A); A first air duct (200) is arranged in the shell assembly, the first air duct (200) is arranged in the air inlet cavity (A), the first air duct (200) has a hollow intermediate beam (210) and two hollow vertical beams (220) extending longitudinally at both ends of the intermediate beam (210), the inner cavities of the intermediate beam (210) and the vertical beams (220) are communicated, a first air inlet (211) communicated with the ventilation device (410) is arranged on one side of the intermediate beam (210) close to the ventilation side wall (400), and a first air outlet (221) is arranged on the side surface close to the vertical beam (220).

2. The air-cooled industrial energy storage device heat sink structure of claim 1, wherein: The first air outlet (221) is arranged in a plurality of parts and is distributed along the longitudinal extension direction of the vertical beam (220).

3. The air-cooled commercial energy storage device heat sink structure of claim 1, wherein: A gap is arranged between the energy storage battery pack (100) and the other circumferential side wall of the shell assembly except the ventilation side wall (400) to form an air return cavity (B), the air inlet cavity (A) and the air return cavity (B) are communicated; A second air duct (300) is arranged in the shell assembly; The second air duct (300) is provided with a second air inlet (311) communicated with the air return cavity (B) and a second air outlet (321) communicated with the ventilation device (410).

4. The air-cooled commercial energy storage device heat sink structure of claim 3, wherein: A plurality of energy storage battery packs (100) are arranged longitudinally in layers, the second air duct (300) comprises a wind collecting plate (310) arranged above or below the energy storage battery packs (100) arranged longitudinally in layers or between adjacent energy storage battery packs (100) and an air outlet plate (320) arranged in the air inlet cavity (A), the wind collecting plate (310) and the air outlet plate (320) are hollow, the inner cavities of the wind collecting plate (310) and the air outlet plate (320) are communicated, the second air inlet (311) is arranged on the wind collecting plate (310), and the second air outlet (321) is arranged on one side of the air outlet plate (320) close to the ventilation side wall (400).

5. The air-cooled commercial energy storage device heat sink structure of claim 4, wherein: The edge of the wind collecting plate (310) close to the other circumferential side wall of the shell assembly except the ventilation side wall (400) is protruded relative to the edge of the energy storage battery pack (100), and the second air inlet (311) is arranged in a plurality of parts and is distributed on the part of the wind collecting plate (310) protruded relative to the edge of the energy storage battery pack (100).

6. The air-cooled commercial energy storage device heat sink structure of claim 5, wherein: The wind collecting plate (310) is arranged above the energy storage battery packs (100) arranged longitudinally in layers, the part of the wind collecting plate (310) protruded relative to the edge of the energy storage battery pack (100) forms a first inclined surface (312) downward, and the second air inlet (311) is arranged on the first inclined surface (312).

7. The air-cooled commercial energy storage device heat sink structure of claim 4, wherein: The wind collecting plate (310) is arranged above the energy storage battery pack (100) arranged in a longitudinal direction, and the wind collecting plate (310) extends downward to form an air outlet plate (320) at one end close to the ventilation side wall (400), and the upper end of the vertical beam (220) is located on both sides of the air outlet plate (320), and a certain spacing is provided between the vertical beam (220) and the side walls on both sides of the air outlet plate (320).

8. The air-cooled industrial energy storage device heat sink structure of claim 7, wherein: The air outlet plate (320) is large at the top and small at the bottom, and the side walls on both sides form a second inclined surface (322), and the side surface of the vertical beam (220) close to the upper end forms a third inclined surface (222).

9. The air-cooled industrial energy storage device heat sink structure of claim 7 or 8, wherein: The side surface of the air outlet plate (320) close to the energy storage battery pack (100) is a fourth inclined surface (323).

10. The air-cooled industrial and commercial energy storage device heat sink structure according to any one of claims 4-8, characterized in that: The first air duct member (200) is provided with a mounting rack (230), and the mounting rack (230) is fixedly connected with the shell assembly. The shell assembly is provided with a mounting frame (500), and the wind collecting plate (310) and the energy storage battery pack (100) are limited in the mounting frame (500).

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