Liquid-cooled storage battery box

Abstract

The utility model provides a liquid-cooled storage battery box which comprises a box body provided with a plurality of storage battery packs arranged in the box body and a liquid-cooled plate arranged between two adjacent storage battery packs; the liquid cooling plate is provided with a first heat dissipation channel located in the middle of the liquid cooling plate and a plurality of second heat dissipation channels located on the upper side and the lower side of the first heat dissipation channel, one end of the first heat dissipation channel communicates with a liquid inlet in one end of the liquid cooling plate, and the end, close to a liquid outlet in the other end of the liquid cooling plate, of the first heat dissipation channel is a blocked end; in this way, the liquid cooling plate in the first heat dissipation channel can provide certain pressure, the strength of the middle of the liquid cooling plate is improved, the liquid cooling plate is not prone to being pressed and deformed, the two ends of the second heat dissipation channel communicate with the liquid inlet and the liquid outlet correspondingly, and rapid heat dissipation can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of battery boxes, in particular to a liquid-cooled battery box. Background Art

[0002] As one of the most important sub-equipment of the train, the battery box provides power supply for emergency lighting, ventilation, emergency display, maintenance power, emergency traction, etc. The battery box includes a box body and multiple battery packs arranged in the box body. In order to solve the heat dissipation problem of the battery pack, a liquid cooling plate is usually arranged between two adjacent battery packs. The liquid cooling plate is hollow inside, and the two ends are connected to the liquid inlet pipe and the liquid outlet pipe respectively. The inventor found in actual use that the middle part of the liquid cooling plate is easily deformed by pressure, so that it cannot fit well with the battery pack, resulting in poor heat dissipation effect. Utility Model Content

[0003] To this end, the utility model provides a liquid-cooled battery box, including a box body and a liquid cooling plate, the box body having a plurality of battery packs arranged therein, and a liquid cooling plate arranged between two adjacent battery packs; the liquid cooling plate having a first heat dissipation channel located in the middle thereof, and a plurality of second heat dissipation channels located on the upper and lower sides of the first heat dissipation channel, wherein one end of the first heat dissipation channel is connected to a liquid inlet at one end of the liquid cooling plate, and one end adjacent to a liquid outlet at the other end of the liquid cooling plate is a blocked end, and both ends of the second heat dissipation channel are respectively connected to the liquid inlet and the liquid outlet.

[0004] A partition portion with an arc-shaped structure is provided between two adjacent second heat dissipation channels.

[0005] A liquid inlet pipe and a liquid outlet pipe are arranged on both sides of the box body, and the liquid inlets and the liquid outlets of the plurality of liquid cooling plates are respectively connected with the liquid inlet pipe and the liquid outlet pipe.

[0006] The liquid inlet pipe and the liquid outlet pipe are both formed by splicing a plurality of sleeve components.

[0007] The liquid cooling plate includes hollow columns arranged on both sides thereof, and the two hollow columns on the same side of two adjacent liquid cooling plates are connected by the sleeve assembly, and the sleeve assembly includes a first sleeve located in the middle, and second sleeves arranged on both sides of the first sleeve, and an end of the second sleeve away from the first sleeve is inserted into the hollow column.

[0008] A silicone cloth is provided between the liquid cooling plate and the battery pack.

[0009] The technical solution of the utility model has the following advantages:

[0010] 1. The liquid-cooled battery box provided by the utility model has a liquid cooling plate having a first heat dissipation channel located in the middle thereof, and a plurality of second heat dissipation channels located on the upper and lower sides of the first heat dissipation channel. When the liquid cooling plate is filled with coolant, since one end of the first heat dissipation channel is connected to the liquid inlet at one end of the liquid cooling plate, and one end adjacent to the liquid outlet at the other end of the liquid cooling plate is a blocked end, the liquid cooling plate in the first heat dissipation channel can provide a certain pressure, thereby improving the strength of the middle part of the liquid cooling plate, which is not easily deformed by pressure. The two ends of the second heat dissipation channel are respectively connected to the liquid inlet and the liquid outlet, which can ensure rapid heat dissipation.

[0011] 2. In the liquid-cooled battery box provided by the utility model, there is a partition part with an arc-shaped structure between two adjacent second heat dissipation channels. By providing the arc-shaped structure, the contact area between the partition part and the coolant can be increased, and the heat dissipation effect is better.

[0012] 3. The liquid-cooled battery box provided by the utility model comprises a liquid cooling plate including hollow columns arranged on both sides thereof, and the two hollow columns on the same side of two adjacent liquid cooling plates are connected by a sleeve assembly, and the sleeve assembly comprises a first sleeve located in the middle, and second sleeves arranged on both sides of the first sleeve, and one end of the second sleeve away from the first sleeve is inserted into the hollow column, so that the lengths of the liquid inlet pipe and the liquid outlet pipe can be flexibly set according to the number of battery packs, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a three-dimensional diagram of the liquid-cooled battery box of the utility model;

[0015] Figure 2 The figure is a schematic diagram of the assembly of the battery pack and the liquid cooling plate;

[0016] Figure 3 is a three-dimensional diagram of a liquid cooling plate;

[0017] Figure 4 is a cross-sectional view of a liquid cooling plate;

[0018] Figure 5 for Figure 4 A partially enlarged structural schematic diagram;

[0019] Figure 6 for Figure 2 a first cross-sectional view of

[0020] Figure 7 for Figure 2 Second cross-sectional view of .

[0021] Explanation of the reference numerals: 1. housing; 2. battery pack; 3. liquid cooling plate; 4. first heat dissipation channel; 5. second heat dissipation channel; 6. liquid inlet; 7. liquid outlet; 8. blocking end; 9. partition portion; 10. sleeve assembly; 11. liquid inlet pipe; 12. liquid outlet pipe; 13. hollow column; 14. first sleeve; 15. second sleeve. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are 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, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] Example

[0027] This embodiment provides a liquid-cooled battery box, such as Figure 1 As shown, it includes a box body 1 and a liquid cooling plate 3.

[0028] Box 1, such as Figure 2 and Figure 3As shown, it has a plurality of battery packs 2 arranged therein, and a liquid cooling plate 3 arranged between two adjacent battery packs 2. A liquid inlet pipe 11 and a liquid outlet pipe 12 are arranged on both sides of the box body 1, and the liquid inlets 6 and the liquid outlets 7 of the plurality of liquid cooling plates 3 are respectively connected to the liquid inlet pipe 11 and the liquid outlet pipe 12, and the liquid inlet pipe 11 and the liquid outlet pipe 12 are both formed by splicing a plurality of sleeve assemblies 10.

[0029] Liquid cooling plate 3, such as Figure 4 and Figure 5 As shown, it has a first heat dissipation channel 4 located in the middle thereof, and a plurality of second heat dissipation channels 5 located on the upper and lower sides of the first heat dissipation channel 4, wherein one end of the first heat dissipation channel 4 is connected to a liquid inlet 6 at one end of the liquid cooling plate 3, and one end adjacent to a liquid outlet 7 at the other end of the liquid cooling plate 3 is a blocking end 8, and both ends of the second heat dissipation channel 5 are respectively connected to the liquid inlet 6 and the liquid outlet 7, as shown in FIG. Figure 6 As shown, there is an arc-shaped partition plate 9 between two adjacent second heat dissipation channels 5. The liquid cooling plate 3 includes hollow columns 13 disposed on both sides thereof, and the two hollow columns 13 on the same side of two adjacent liquid cooling plates 3 are connected by the sleeve assembly 10, as shown in FIG. Figure 7 As shown, the sleeve assembly 10 includes a first sleeve 14 located in the middle, and second sleeves 15 arranged on both sides of the first sleeve 14, and one end of the second sleeve 15 away from the first sleeve 14 is inserted into the hollow column 13. A silicone cloth is arranged between the liquid cooling plate 3 and the battery pack 2.

[0030] In the liquid-cooled battery box provided by the utility model, when the liquid cooling plate 3 is filled with coolant, since one end of the first heat dissipation channel 4 is connected with the liquid inlet 6 at one end of the liquid cooling plate 3, and one end adjacent to the liquid outlet 7 at the other end of the liquid cooling plate 3 is a blocked end, the liquid cooling plate 3 in the first heat dissipation channel 4 can provide a certain pressure, thereby improving the strength of the middle part of the liquid cooling plate 3, which is not easily deformed by pressure, and the two ends of the second heat dissipation channel 5 are respectively connected with the liquid inlet 6 and the liquid outlet 7, which can ensure rapid heat dissipation.

[0031] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A liquid-cooled battery box, characterized in that: include: A box body (1) having a plurality of storage battery packs (2) arranged therein, and a liquid cooling plate (3) arranged between two adjacent storage battery packs (2); The liquid cooling plate (3) comprises a first heat dissipation channel (4) located in the middle thereof, and a plurality of second heat dissipation channels (5) located at the upper and lower sides of the first heat dissipation channel (4), wherein one end of the first heat dissipation channel (4) is connected to a liquid inlet (6) at one end of the liquid cooling plate (3), and one end adjacent to a liquid outlet (7) at the other end of the liquid cooling plate (3) is a blocked end (8), and both ends of the second heat dissipation channel (5) are respectively connected to the liquid inlet (6) and the liquid outlet (7).

2. The liquid-cooled battery box according to claim 1, characterized in that: Between two adjacent second heat dissipation channels (5) is a partition plate portion (9) having an arc-shaped structure.

3. The liquid-cooled battery box according to claim 1 or 2, characterized in that: A liquid inlet pipe (11) and a liquid outlet pipe (12) are provided on both sides of the box body (1), and the liquid inlets (6) and the liquid outlets (7) of the plurality of liquid cooling plates (3) are respectively connected to the liquid inlet pipe (11) and the liquid outlet pipe (12).

4. The liquid-cooled battery box according to claim 3, characterized in that: The liquid inlet pipe (11) and the liquid outlet pipe (12) are both formed by splicing a plurality of sleeve assemblies (10).

5. The liquid-cooled battery box according to claim 4, characterized in that: The liquid cooling plate (3) comprises hollow columns (13) arranged on both sides thereof, and the two hollow columns (13) on the same side of two adjacent liquid cooling plates (3) are connected via the sleeve assembly (10), and the sleeve assembly (10) comprises a first sleeve (14) located in the middle, and second sleeves (15) arranged on both sides of the first sleeve (14), and an end of the second sleeve (15) away from the first sleeve (14) is inserted into the hollow column (13).

6. The liquid-cooled battery box according to claim 1, characterized in that: A silicone cloth is provided between the liquid cooling plate (3) and the battery pack (2).

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