CN218482304U - Liquid cooling board and energy storage liquid cooling battery package - Google Patents

Abstract

The utility model relates to a liquid cooling board and energy storage liquid cooling battery pack, including liquid cooling base plate, module fixed support block, the liquid cooling base plate includes bottom plate, left side board, right side board, is equipped with the liquid cooling runner that supplies the cooling liquid to flow in the liquid cooling base plate, and left side board one end is equipped with the water inlet that communicates with the liquid cooling runner, and right side board one end is equipped with the delivery port that communicates with the liquid cooling runner; the module fixing support block is fixed with the liquid cooling substrate through welding. The utility model discloses a support piece has increased the surface area of coolant liquid and the contact of liquid cooling board, realizes quick heat exchange to the rapid cooling heat dissipation problem of energy storage liquid cooling battery package has been solved.

Description

Liquid cooling board and energy storage liquid cooling battery package

Technical Field

The utility model belongs to the technical field of the liquid cooling board technique and specifically relates to a liquid cooling board and energy storage liquid cooling battery package are related to.

Background

In recent years, with the rapid development of the energy storage industry, the requirements on the charge and discharge power, the stability and the service life of an energy storage system are higher and higher aiming at the increasing maturity of energy storage peak-load regulation and frequency modulation. At present, the mainstream form of an energy storage system adopts forced air cooling to cool the battery core, the forced air cooling is to introduce air into the box body through the fan, and the air sweeps over the outer surface of the module or the battery core at a certain flow rate under the action of the fan and dissipates heat generated by the battery core into ambient air. However, the cooling uniformity of forced air cooling is poor, the temperature difference of the system can only be controlled within 8 ℃, the stability of the system is reduced along with the increase of the service time, and the service life loss of the battery core is serious.

For solving the above-mentioned problem, energy storage liquid cooling system progressively receives favour, and energy storage liquid cooling system can be within 3 ℃ with whole system temperature difference control for forced air cooling system, along with the increase of live time, the system is still stable controllable, and life can prolong 1.2-1.5 times, nevertheless because of the liquid cold plate is less with the area of contact of electric core module, can't realize the heat exchange fast, and energy storage liquid cooling system battery package also can not rapid cooling heat dissipation, influences its life.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, providing one kind and having a high strength, can bear and support battery module weight, and effectual liquid cooling board of liquid cooling and energy storage liquid cooling battery package.

Realize the utility model discloses the technical scheme of purpose is: a liquid cooling plate comprises a liquid cooling substrate and a module fixing support block; the liquid cooling substrate is arranged in a shape of Contraband and comprises a bottom plate, a left side plate and a right side plate, and a liquid cooling flow channel for cooling liquid to flow is arranged in the liquid cooling substrate; the module fixing support block is arranged at the bottom of the liquid cooling substrate, and a drain hole is formed in one side, in contact with the bottom plate, of the module fixing support block; and a water inlet and a water outlet are respectively formed in the same side of the left side plate and the right side plate of the liquid cooling substrate.

In the technical scheme, the bottom plate is internally divided into a bottom liquid cooling flow channel by a plurality of obliquely or vertically arranged supporting pieces, and the middle of the bottom plate is provided with a reinforcing rib parallel to the left side plate; the bottom liquid cooling flow channels located on two sides of the reinforcing rib are communicated and flow in opposite directions, the bottom liquid cooling flow channel corresponding to one side of the left side plate is communicated with the liquid cooling flow channel in the left side plate, and the bottom liquid cooling flow channel corresponding to one side of the right side plate is communicated with the liquid cooling flow channel in the right side plate.

In the technical scheme, a bottom reinforcing structure is arranged in the middle of the bottom plate corresponding to the reinforcing rib; the module fixing support block is perpendicular to the bottom reinforcing structure, and the other end of the module fixing support block is abutted or contacted with the corresponding left side plate or right side plate.

According to the technical scheme, the module fixing support block is welded on the liquid cooling substrate.

According to the technical scheme, the drain hole is arranged at one end which is propped against or contacted with the left side plate or the right side plate.

According to the technical scheme, the supporting pieces are respectively provided with chamfers at positions which are arranged at acute angles with the adjacent supporting pieces or the bottom plate.

According to the technical scheme, the module fixing support block and the liquid cooling substrate are both provided with threaded holes, and stainless steel threaded sleeves are nested in the threaded holes.

Above-mentioned technical scheme the upper end outside of left side board and right side board all has the installation notch.

According to the technical scheme, the liquid cooling flow channel flows out of the water outlet after sequentially flowing through the left side plate, the bottom plate and the right side plate from the water inlet.

An energy storage liquid cooling battery pack comprises the liquid cooling plate; the liquid cooling plate is provided with a heat conduction layer and a battery cell module; the heat-conducting layer sets up between liquid-cooling board and electric core module.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) The utility model discloses liquid cooling board base member adopts aluminium alloy extrusion technology, has high strength, can bear and support battery module weight.

(2) The utility model discloses a bottom additional strengthening for increase liquid cooling base plate bottom intensity.

(3) The utility model discloses a support piece both can increase liquid cooling base plate bottom intensity, prevents to cause to produce the damage bottom the liquid cooling board because of factors such as vibrations, increases runner cavity and coolant liquid surface area again, makes coolant liquid and liquid cooling board fully carry out the heat exchange.

(4) The utility model discloses wash port on the fixed supporting shoe of well module prevents that the module is soaked in the accumulation of comdenstion water.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural view of the liquid cooling plate of the present invention;

FIG. 2 is a schematic structural view of the module fixing support block of the present invention;

FIG. 3 is a schematic structural view of the supporting member of the present invention;

FIG. 4 is a flow diagram of the coolant of the present invention;

fig. 5 is the assembly and use schematic diagram of the liquid cooling plate of the present invention.

The reference numbers in the drawings are as follows: liquid cooling base plate 1, left side board 11, bottom plate 12, right side board 13, module fixed support block 2, wash port 21, water inlet 3, delivery port 4, bottom additional strengthening 5, support piece 6, strengthening rib 7, heat-conducting layer 8, electric core module 9.

Detailed Description

(example 1)

See fig. 1 to fig. 4, the utility model discloses a liquid cooling board, including liquid cooling base plate 1, module fixed stay block 2, liquid cooling base plate 1 includes bottom plate 12, left side board 11, right side board 13, and liquid cooling base plate 1 is U type structure, and liquid cooling base plate 1 uses 6 aluminum alloy material, adopts extrusion aluminium alloy section bar technology to make, has the high strength, can bear and support electric core module weight. A liquid cooling flow passage is arranged in the liquid cooling substrate 1, and the liquid cooling flow passage and the cavity are sealed by machining, punching and circulating, welding and other modes; one end of the left side plate 11 is provided with a water inlet 3 communicated with the liquid cooling flow channel, one end of the right side plate 13 is provided with a water outlet 4 communicated with the liquid cooling flow channel, and the water inlet 3 and the water outlet 4 are arranged on the same side of the liquid cooling plate; the module fixing support block 2 and the liquid cooling substrate 1 are fixed through welding, so that the runner cavity of the liquid cooling substrate is not damaged in the operation, and liquid leakage of the liquid cooling substrate 1 is effectively prevented; the middle of the liquid cooling plate bottom plate 12 is provided with a bottom reinforcing structure 5, two sides of the bottom reinforcing structure 5 are provided with module fixing support blocks 2 perpendicular to the bottom reinforcing structure, the other ends of the module fixing support blocks 2 are connected with the left side plate/the right side plate, and one ends of the module fixing support blocks 2 are provided with drain holes 21 to prevent the module from being soaked after a certain amount of condensed water is accumulated.

Be equipped with support piece 6 in the liquid cooling runner in the liquid cooling board bottom plate 12, the centre is equipped with strengthening rib 7, strengthening rib 7 links into an integrated entity with bottom additional strengthening 5, support piece 6's cross section can be triangle-shaped, it is trapezoidal, the hexagon, this support piece 6's design, both can increase 1 bottom strength of liquid cooling base plate, prevent to produce the damage to liquid cooling board bottom because of factors such as vibrations cause, increase runner cavity and coolant liquid surface area again, make coolant liquid and liquid cooling board fully carry out the heat exchange, thereby increase the area of contact of liquid cooling base plate 1 with electric core module, realize the heat exchange fast, the battery package can the rapid cooling heat dissipation, prolong its life. The liquid cooling plate side plate runner cavity can be a square straight runner, and the supporting piece 6 can be selected according to actual conditions. The liquid flow direction of the liquid cooling flow channel in the whole liquid cooling substrate 1 is the liquid cooling flow channel entering the left side plate 11 from the water inlet, the cooling liquid can flow to the rear end of the left side plate 11 and flow to the liquid cooling plate bottom plate 12 from the side wall of the rear end, the cooling liquid flows back to the rear end of the bottom plate 12 through the U-shaped flow channel in the bottom plate 12, and finally flows to the liquid cooling plate water outlet 4 through the liquid cooling flow channel of the right side plate 13, so that one-time in-and-out circulation is completed.

(example 2)

Referring to fig. 5, this embodiment is substantially the same as embodiment 1, and its distinctive features are: the utility model discloses a set up heat-conducting layer 8 on the liquid cooling board, heat-conducting silica gel pad can be chooseed for use to heat-conducting layer 8 material, and heat-conducting silica gel pad is total 4, has put electric core module 9 on the heat-conducting layer 8, so can assemble into a battery package that has the liquid cooling board. The design of heat-conducting layer 8 can enough be when improving heat exchange performance between liquid cooling board and electric core module, forms a buffer layer again between liquid cooling board and electric core module 9, guarantees the reliability of complex between the two.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. A liquid cooling panel, characterized by: comprises a liquid cooling substrate (1) and a module fixing support block (2); the liquid cooling substrate (1) is arranged in a shape of Contraband and comprises a bottom plate (12), a left side plate (11) and a right side plate (13), and a liquid cooling flow channel for flowing cooling liquid is arranged in the liquid cooling substrate (1); the module fixing support block (2) is arranged at the bottom of the liquid cooling substrate (1), and a drain hole (21) is formed in one side, in contact with the bottom plate (12), of the module fixing support block (2); the same sides of the left side plate (11) and the right side plate (13) of the liquid cooling substrate (1) are respectively provided with a water inlet (3) and a water outlet (4).

2. The liquid cooling plate as recited in claim 1, wherein: the bottom plate (12) is internally divided into a bottom liquid cooling flow channel by a plurality of supporting pieces (6) which are obliquely or vertically arranged, and the middle of the bottom plate (12) is provided with a reinforcing rib (7) parallel to the left side plate (11); the bottom liquid cooling flow channels positioned on two sides of the reinforcing rib (7) are communicated and flow in opposite directions, the bottom liquid cooling flow channel corresponding to one side of the left side plate (11) is communicated with the liquid cooling flow channel in the left side plate (11), and the bottom liquid cooling flow channel corresponding to one side of the right side plate (13) is communicated with the liquid cooling flow channel in the right side plate (13).

3. The liquid cooling plate as recited in claim 1, wherein: a bottom reinforcing structure (5) is arranged in the middle of the bottom plate (12) corresponding to the reinforcing ribs (7); the module fixing support block (2) is perpendicular to the bottom reinforcing structure (5), and the other end of the module fixing support block is abutted or contacted with a corresponding left side plate (11) or right side plate (13).

4. A liquid cold plate as claimed in claim 3, wherein: the module fixing support block (2) is welded on the liquid cooling substrate (1).

5. A liquid cold plate according to claim 3 or 4, wherein: the drain hole (21) is arranged at one end which is abutted against or contacted with the left side plate (11) or the right side plate (13).

6. A liquid cold plate as claimed in claim 2, wherein: the supporting pieces (6) are provided with chamfers at the positions which are arranged at acute angles with the adjacent supporting pieces (6) or the bottom plate (12).

7. The liquid cooling plate as recited in claim 1, wherein: the module fixing support block (2) and the liquid cooling substrate (1) are both provided with threaded holes, and stainless steel threaded sleeves are nested in the threaded holes.

8. A liquid cold plate as claimed in claim 1, wherein: and the outer sides of the upper ends of the left side plate (11) and the right side plate (13) are provided with mounting notches.

9. The utility model provides an energy storage liquid cooling battery package which characterized in that: comprising a liquid-cooled panel according to any one of claims 1 to 8; the liquid cooling plate is provided with a heat conduction layer (8) and a battery cell module (9); and the heat conduction layer (8) is arranged between the liquid cooling plate and the battery cell module (9).

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