Air-cooled energy storage subrack structure

Abstract

The utility model provides an air-cooled energy storage subrack structure, which belongs to the technical field of battery equipment, and comprises an energy storage box, a storage cavity is arranged in the energy storage box, a battery module is arranged in the storage cavity, a heat dissipation air channel is arranged on the battery module, the heat dissipation air channel comprises an air inlet end and an air outlet end, a ventilation area is arranged on the side wall of the storage cavity opposite to the air inlet end, and the air outlet end is arranged on the side wall of the storage cavity opposite to the air outlet end. An air inlet hole penetrating through the energy storage box is formed in the ventilation area, a sealing strip is arranged in the circumferential direction of the ventilation area and abuts against the position between the ventilation area and the battery module, so that a sealing air channel is formed between the ventilation area and the battery module and used for communicating the air inlet hole with the air inlet end, and the air exhaust end communicates with the storage cavity; an exhaust hole penetrating through the energy storage box is further formed in the side wall of the storage cavity, and a drainage fan used for guiding air to be exhausted out of the storage cavity is arranged on the energy storage box and corresponds to the exhaust hole. According to the air-cooled energy storage subrack structure provided by the utility model, the sealing air channel is arranged, so that all external air can enter the heat dissipation air channel, the air loss is reduced, and the heat dissipation effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery equipment, and more specifically, relates to an air-cooled energy storage plug-in box structure. Background Technique

[0002] In the design of the existing air-cooled energy storage plug-in box structure, the heat exchange method mostly adopted is to intake air from the side of the plug-in box. A plurality of air inlets are arranged on the side wall of the air-cooled energy storage plug-in box, and a heat dissipation fan is arranged on the front panel to exhaust air outward. A heat dissipation air duct is arranged between two adjacent battery cells of the battery module. The cold and hot air enters the interior of the air-cooled energy storage plug-in box from the side wall air inlets, passes through the heat dissipation air duct, and is discharged from the fan. The heat exchange effect of this heat dissipation method is poor. After the cold and hot air enters the interior of the air-cooled energy storage plug-in box from the side wall air inlets, according to the principle of minimum resistance and shortest distance, most of the cold and hot air directly exits the plug-in box from the fan without passing through the heat dissipation air duct between the battery cells, failing to achieve the purpose of heat exchange with the surface of the battery cells, resulting in poor heat dissipation effect and low heat exchange efficiency. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an air-cooled energy storage plug-in box structure, aiming to solve the problem of poor heat dissipation effect of the existing air-cooled energy storage plug-in box.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: to provide an air-cooled energy storage plug-in box structure, including an energy storage box, a storage cavity is arranged in the energy storage box, a battery module is arranged in the storage cavity, a heat dissipation air duct is arranged on the battery module, the heat dissipation air duct includes an air inlet end and an air outlet end, a ventilation area is arranged on the side wall of the storage cavity opposite to the air inlet end, an air inlet hole penetrating the energy storage box is arranged in the ventilation area, a sealing strip is arranged on the circumference of the ventilation area, and the sealing strip abuts between the ventilation area and the battery module to form a sealed air duct between the ventilation area and the battery module. The sealed air duct is used to connect the air inlet hole and the air inlet end, the air outlet end communicates with the storage cavity, an air exhaust hole penetrating the energy storage box is further arranged on the side wall of the storage cavity, and a drainage fan for guiding air to discharge from the storage cavity is arranged on the energy storage box corresponding to the air exhaust hole.

[0005] In a possible implementation manner, the battery module includes a plurality of battery cells arranged in the front-back direction of the storage cavity, a heat dissipation gap is provided between adjacent battery cells, and a plurality of the heat dissipation gaps form the heat dissipation air duct. The ventilation area is arranged on the left side wall or the right side wall of the storage cavity, and a plurality of flow guiding plates are arranged at intervals in the arrangement direction of the plurality of heat dissipation gaps in the ventilation area. The plurality of flow guiding plates divide the ventilation area into a plurality of ventilation sections, and the air inlet holes are arranged on the ventilation sections.

[0006] In a possible implementation, the exhaust hole is arranged on the front side wall of the storage cavity, and the deflector extends towards the battery module and is inclined towards the side of the exhaust hole.

[0007] In a possible implementation, the ventilation section includes a strong wind section and at least one weak wind section. The strong wind section is located on the side away from the exhaust hole, and the weak wind section is located on the side close to the exhaust hole. The number of air inlet holes on the strong wind section is more than that on the weak wind section.

[0008] In a possible implementation, the number of the battery modules is two, and the two battery modules are symmetrically and spaced apart on the left and right sides of the storage cavity. Ventilation areas are provided on both the left side wall and the right side wall of the storage cavity.

[0009] In a possible implementation, the sealing strip is a fire-retardant material product.

[0010] In a possible implementation, the energy storage box includes a box body, the storage cavity is arranged in the box body, the storage cavity has an upward opening, and a box cover is detachably connected to the opening.

[0011] In a possible implementation, a positioning groove is arranged at the bottom of the storage cavity, and the battery module is arranged in the positioning groove.

[0012] In a possible implementation, a support member is arranged in the heat dissipation air duct. The support member abuts between two adjacent battery cells, and a channel for air circulation is provided between the support member and the adjacent battery cells.

[0013] In a possible implementation, the support member includes a longitudinal plate, and support ribs for abutting the battery cells are arranged on both sides of the longitudinal plate. The support ribs extend along the transmission direction of the heat dissipation air duct, and the number of the support ribs is multiple. The multiple support ribs are spaced apart to form a channel for air circulation between two adjacent support ribs.

[0014] The beneficial effect of an air-cooled energy storage plug-in box structure provided by the present utility model is as follows: Compared with the prior art, in the air-cooled energy storage plug-in box structure of the present utility model, by arranging a sealed air duct between the ventilation area and the battery module with a sealing strip, after the outside air passes through the air inlet hole, it can all enter the heat dissipation air duct under the guidance of the sealed air duct, thereby avoiding air volume loss and improving the heat dissipation efficiency of the battery module. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Schematic perspective view of an air-cooled energy storage plug-in box structure provided by an embodiment of the present invention;

[0017] Figure 2 Schematic perspective view of the box body provided by an embodiment of the present invention Figure 1 ;

[0018] Figure 3 Schematic perspective view of the box body provided by an embodiment of the present invention Figure 2 ;

[0019] Figure 4 Assembly structure diagram of the box body and the battery module provided by an embodiment of the present invention;

[0020] Figure 5 Front view of the battery module provided by an embodiment of the present invention.

[0021] Explanation of reference numerals:

[0022] 100, energy storage box; 1, box body; 11, storage slot; 111, positioning slot; 12, first reinforcing beam; 13, second reinforcing beam; 2, box cover; 3, battery module; 31, battery cell; 32, support member; 321, longitudinal plate; 322, support rib; 4, ventilation area; 41, strong wind section; 42, weak wind section; 5, sealing strip; 6, deflector; 7, air inlet hole; 8, drainage fan. Detailed implementation manners

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0027] Please refer to Figures 1 to 5 , and a description will now be given of an air-cooled energy storage plug-in box structure provided by the present invention. The air-cooled energy storage plug-in box structure includes an energy storage box 100. A storage cavity is provided inside the energy storage box 100. A battery module 3 is provided in the storage cavity. A heat dissipation air duct is provided on the battery module 3. The heat dissipation air duct includes an air inlet end and an air outlet end. A ventilation area 4 is provided on the side wall of the storage cavity opposite to the air inlet end. An air inlet hole 7 penetrating the energy storage box 100 is provided in the ventilation area 4. A sealing strip 5 is provided on the circumference of the ventilation area 4. The sealing strip 5 abuts between the ventilation area 4 and the battery module 3 to form a sealed air duct between the ventilation area 4 and the battery module 3. The sealed air duct is used to connect the air inlet hole 7 and the air inlet end. The air outlet end communicates with the storage cavity. An air outlet hole penetrating the energy storage box 100 is also provided on the side wall of the storage cavity. A drainage fan 8 for guiding air to discharge from the storage cavity is provided on the energy storage box 100 corresponding to the air outlet hole.

[0028] Compared with the prior art, the air-cooled energy storage plug-in box structure provided by the present invention, by providing a sealed air duct between the ventilation area 4 and the battery module 3 with the help of the sealing strip 5, enables all the outside air to enter the heat dissipation air duct under the guidance of the sealed air duct after passing through the air inlet hole 7, thereby avoiding air volume loss and improving the heat dissipation efficiency of the battery module 3.

[0029] In some embodiments, please refer to Figures 1 to 4, the energy storage box 100 includes a box body 1 and a box cover 2. Among them, both the box body 1 and the box cover 2 are square structures. Inside the box body 1, there is a storage slot 11 with an upward opening. The storage slot 11 is a square slot. The box cover 2 is detachably connected to the opening of the storage slot 11. When the box cover 2 is buckled on the box body 1, the opening of the storage slot 11 is closed, and the storage slot 11 forms the storage cavity of the energy storage box 100. In this embodiment, at the front and rear ends of the bottom of the storage slot 11, there are first reinforcing beams 12 respectively, and at the left and right ends of the bottom of the storage slot 11, there are second reinforcing beams 13 respectively. Between the two first reinforcing beams 12 and the two second reinforcing beams 13, there is a positioning slot 111 for installing the battery module 3.

[0030] In this embodiment, the number of battery modules 3 is two. The two battery modules 3 are symmetrically inserted into the positioning slot 111 from left to right. There is an exhaust gap between the two battery modules 3. The battery module 3 includes a plurality of battery cells 31 arranged in parallel along the front-rear direction of the storage cavity. There is a heat dissipation gap between adjacent battery cells 31. A plurality of heat dissipation gaps form a heat dissipation air duct. The air inlet end of the heat dissipation air duct provided on the left battery module 3 faces the left side wall of the storage cavity, and its air exhaust end communicates with the above-mentioned exhaust gap. While the air inlet end of the heat dissipation air duct provided on the right battery module 3 faces the right side wall of the storage cavity, and its air exhaust end also communicates with the above-mentioned exhaust gap. That is, in this embodiment, ventilation areas 4 are provided on the left side wall and the right side wall of the storage cavity corresponding to the battery modules 3 on their same sides.

[0031] In this embodiment, the sealing strip 5 provided on the circumferential direction of the ventilation area 4 is a flame-retardant material product, such as foam cotton. In application, one side of the sealing strip 5 facing the ventilation area 4 is bonded to the ventilation area 4 through an adhesive. One side of the sealing strip 5 facing the battery module 3 is pressed by the battery module 3 and abuts against the battery module 3, so as to form a sealed air duct between the ventilation area 4 and the battery module 3.

[0032] In some embodiments, a plurality of flow guiding plates 6 are arranged at intervals along the arrangement direction of the above-mentioned plurality of heat dissipation gaps in the ventilation area 4. The plurality of flow guiding plates 6 divide the ventilation area 4 into a plurality of ventilation sections, and air inlet holes 7 are provided on the ventilation sections. In this embodiment, the exhaust holes are provided on the front side wall of the storage cavity. In order to make the outside air enter each heat dissipation gap evenly, in application, the flow guiding plates 6 are extended towards the battery module 3 and are inclined towards the exhaust hole side.

[0033] In this embodiment, the above-mentioned ventilation section includes one strong wind section 41 and three weak wind sections 42. Among them, the strong wind section 41 is arranged on the side far from the exhaust hole, and the weak wind sections 42 are sequentially arranged on the side close to the exhaust hole. The number of air inlet holes 7 provided on the strong wind section 41 is more than the number of air inlet holes 7 provided on the weak wind section 42.

[0034] In some embodiments, please refer toFigure 5 , a support member 32 is further provided in the heat dissipation air duct. The support member 32 abuts between two adjacent battery cells 31, and a channel for air circulation is provided between the support member 32 and the adjacent battery cells 31.

[0035] Specifically, the support member 32 includes a longitudinal plate 321. Support ribs 322 for abutting against the battery cells 31 are provided on both sides of the longitudinal plate 321. The support ribs 322 extend along the transmission direction of the heat dissipation air duct. The number of the support ribs 322 is multiple, and the multiple support ribs 322 are arranged at intervals to form a channel for air circulation between two adjacent support ribs 322.

[0036] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air-cooled energy storage box structure, characterized in that: The invention comprises an energy storage box (100), wherein a storage cavity is provided in the energy storage box (100), a battery module (3) is provided in the storage cavity, a heat dissipation duct is provided on the battery module (3), the heat dissipation duct comprises an air inlet end and an air outlet end, a ventilation area (4) is provided on a side wall of the storage cavity opposite to the air inlet end, an air inlet hole (7) penetrating the energy storage box (100) is provided in the ventilation area (4), a sealing strip (5) is provided in the circumferential direction of the ventilation area (4), and the sealing strip (5) Abutting between the ventilation area (4) and the battery module (3), so as to form a sealed air duct between the ventilation area (4) and the battery module (3), the sealed air duct is used to connect the air inlet hole (7) and the air inlet end, the air outlet end is connected to the storage cavity, the side wall of the storage cavity is also provided with an air outlet hole penetrating the energy storage box (100), and the energy storage box (100) is provided with a drainage fan (8) corresponding to the air outlet hole for guiding air to be discharged from the storage cavity.

2. The air-cooled energy storage box structure according to claim 1, characterized in that: The battery module (3) comprises a plurality of battery cells (31) arranged along the front-to-back direction of the storage cavity, a heat dissipation gap is provided between adjacent battery cells (31), the plurality of heat dissipation gaps form the heat dissipation air duct, the ventilation area (4) is arranged on the left side wall or the right side wall of the storage cavity, a plurality of guide plates (6) are arranged in the ventilation area (4) along the arrangement direction of the plurality of heat dissipation gaps, the plurality of guide plates (6) divide the ventilation area (4) into a plurality of ventilation sections, and the ventilation sections are provided with the air inlet holes (7).

3. The air-cooled energy storage box structure according to claim 2, characterized in that: The exhaust hole is arranged on the front side wall of the storage cavity, and the guide plate (6) extends toward the battery module (3) and is inclined toward one side of the exhaust hole.

4. The air-cooled energy storage box structure according to claim 3, characterized in that: The ventilation section comprises a strong wind section (41) and at least one weak wind section (42), wherein the strong wind section (41) is located on a side away from the exhaust hole, and the weak wind section (42) is located on a side close to the exhaust hole, and the number of the air inlet holes (7) on the strong wind section (41) is greater than that on the weak wind section (42).

5. The air-cooled energy storage box structure according to claim 2, characterized in that: The number of the battery modules (3) is two, and the two battery modules (3) are symmetrically and spaced apart on the left and right sides of the storage cavity, and ventilation areas (4) are provided on the left and right walls of the storage cavity.

6. The air-cooled energy storage box structure according to claim 1, characterized in that: The sealing strip (5) is made of flame retardant material.

7. The air-cooled energy storage box structure according to claim 1, characterized in that: The energy storage box (100) comprises a box body (1), the storage cavity is arranged in the box body (1), the storage cavity has an upward opening, and a box cover (2) is detachably connected to the opening.

8. The air-cooled energy storage box structure according to claim 1, characterized in that: A positioning groove (111) is provided at the bottom of the storage cavity, and the battery module (3) is arranged in the positioning groove (111).

9. The air-cooled energy storage box structure according to claim 2, characterized in that: A support member (32) is provided in the heat dissipation air duct, the support member (32) is abutted between two adjacent battery cells (31), and a channel for air circulation is provided between the support member (32) and the adjacent battery cells (31).

10. The air-cooled energy storage box structure according to claim 9, characterized in that: The support member (32) comprises a longitudinal plate (321), and support ribs (322) for abutting the battery core (31) are provided on both sides of the longitudinal plate (321), and the support ribs (322) extend along the transmission direction of the heat dissipation air duct. The number of the support ribs (322) is multiple, and the multiple support ribs (322) are arranged at intervals to form a channel with air circulation between two adjacent support ribs (322).

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