Partitioned immersed liquid cooling energy storage battery box

Abstract

The utility model relates to the technical field of liquid cooling energy storage battery boxes, in particular to a partitioned immersed liquid cooling energy storage battery box which is internally provided with a flow guide channel, a battery placement area and a convergence area from top to bottom in sequence; a middle partition plate is arranged in the battery placement area and divides the battery placement area into a left chamber and a right chamber; a rotatable barrier plate module is arranged in the middle of the flow guide channel; a left channel communicated with the left chamber is arranged at the lower end of the diversion channel at the left side section of the baffle module, and a right channel communicated with the left chamber is arranged at the lower end of the diversion channel at the right side section of the baffle module; a layer plate is arranged between the confluence area and the battery placement area, and two runner through holes are formed in the layer plate; an outlet communicated with the confluence area is formed in the lower end of the battery box; through the design of the barrier plate module, the movable plate can be opened and closed, and cooling liquid entering from one opening enters one battery chamber or energy storage batteries placed in two chambers are cooled and radiated according to the actual connection and use condition with load equipment.

Description

Technical Field

[0001] This application relates to the field of liquid-cooled energy storage battery box technology, and in particular to a partitioned immersion liquid-cooled energy storage battery box. Background Technology

[0002] With the increasing deployment of electrochemical energy storage power stations, scenarios with high energy density and high power discharge are becoming more and more common. Traditional methods such as air cooling, water cooling, and air conditioning are no longer able to meet the needs of development. Under these circumstances, immersion liquid cooling has become the mainstream trend. The main function of immersion liquid cooling packaging is to carry the battery modules and coolant in the energy storage system. By completely immersing the battery cells in the insulating and thermally conductive coolant, direct contact heat dissipation is achieved.

[0003] The internal chamber of the existing immersion liquid-cooled packaging box is a uniform large space, in which energy storage batteries are arranged in an array, and each type of battery box is connected to a type of machine or equipment.

[0004] To address the limitation of existing technologies where a single battery box can only connect to a single machine, a partitioned layout can be designed within the battery box to house the energy storage batteries. Different zones of energy storage batteries can then be connected to the corresponding machines. The design should also consider the following factors: 1. Based on the machine's start-up and shutdown status (e.g., some machines need to start while others need to stop within the same time period), only the energy storage batteries associated with the machines that are currently running need cooling; 2. When all machines need to start within the same time period, the heat generated by the associated energy storage batteries will differ depending on the type of machine (e.g., high-power motors versus low-power steady-state devices) (i.e., high-heat battery areas versus low-heat battery areas). Utility Model Content

[0005] In order to address the above-mentioned issues, this application aims to provide a partitioned immersion liquid-cooled energy storage battery box.

[0006] A partitioned immersion liquid-cooled energy storage battery box includes, from top to bottom, a flow channel, a battery placement area, and a flow collection area. Coolant flows sequentially from the flow channel to the battery placement area and the flow collection area. The battery placement area is divided into a left chamber and a right chamber by a central partition. The flow channel includes an inlet at one end and a rotatable baffle module in the middle, which blocks the flow of coolant within the flow channel. A left channel connecting to the left chamber is located at the lower end of the flow channel on the left side of the baffle module, and a right channel connecting to the left chamber is located at the lower end of the flow channel on the right side of the baffle module. A shelf is provided between the flow collection area and the battery placement area, with two flow channel through-holes. One flow channel through-hole connects the left chamber and the flow collection area, and the other flow channel through-hole connects the right chamber and the flow collection area. An outlet connecting to the flow collection area is located at the bottom of the battery box.

[0007] Furthermore, the barrier plate module includes a fixed plate and a movable plate, with a rotating shaft between the fixed plate and the movable plate, and a drive motor for driving the rotating shaft to rotate is provided outside the battery box.

[0008] Furthermore, the fixed plate is fixed to the lower end of the guide channel, and the upper end of the guide channel is provided with a baffle that abuts against the movable plate.

[0009] Furthermore, valve switches are installed at both flow channel through holes.

[0010] Furthermore, the battery box surface is provided with two sets of electrical connection interfaces.

[0011] Furthermore, both the left and right chambers are equipped with mounting bases for fixing energy storage batteries. The mounting bases include an upper profile base and a lower profile base, which are positioned opposite each other at an upper and lower position. The upper profile base and the lower profile base are respectively provided with upper slots and lower slots for fixing energy storage batteries on their opposite surfaces.

[0012] The beneficial effects of this application are:

[0013] (1) Through the design of the barrier plate module, its movable plate can be opened and closed. Depending on the actual connection and use with the load equipment, it can be realized that the coolant entering through one opening enters into one battery chamber or the energy storage battery placed in two chambers can perform cooling and heat dissipation operations.

[0014] (2) The operator connects the high-power device to the energy storage battery in the left chamber through the interface, and the steady-state low-power device to the energy storage battery in the right and left chambers. By opening the baffle module, the coolant enters through an opening to achieve high-efficiency heat dissipation in the high-heat battery area and low-efficiency heat dissipation in the low-heat battery area.

[0015] (3) The mounting base structure is loaded so that the energy storage battery is located in the middle of the chamber. This allows the energy storage battery to be stabilized by the pressure of the coolant while the coolant filling the chamber can contact the energy storage battery from multiple angles, thereby improving the cooling effect through multiple contact surfaces.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this application.

[0018] Figure 2 Based on Figure 1 Schematic diagram of the middle barrier plate module structure.

[0019] Figure 3 This is a schematic diagram of the side structure of the barrier module.

[0020] Figure 4 This is a schematic diagram of the outer layer structure of the battery box.

[0021] Figure 5 This is a schematic diagram of the mounting base structure.

[0022] The labels in the attached figures are as follows:

[0023] Flow guide channel-1; Inlet-101, Baffle module-102, Left channel-103, Right channel-104, Fixed plate-105, Movable plate-106, Rotating shaft-107, Baffle-108; Battery placement area-2; Middle partition-201, Left chamber-202, Right chamber-203; Convergence area-3; Shelf-301, Flow channel through hole-302, Outlet-303, Valve switch-304; Electrical connection interface-4; Mounting base-5; Upper profile base-501, Lower profile base-502, Upper slot-503, Lower slot-504. Detailed Implementation

[0024] The technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0025] refer to Figure 1 , Figure 2 , Figure 3As shown, a partitioned immersion liquid-cooled energy storage battery box has a guide channel 1, a battery placement area 2, and a junction area 3 arranged sequentially from top to bottom inside the battery box. Coolant flows from the guide channel 1 to the battery placement area 2 and the junction area 3. The battery placement area 2 is provided with a middle partition 201, which divides the battery placement area 2 into a left chamber 202 and a right chamber 203. The guide channel 1 includes an inlet 101 located at one end, and a rotatable baffle module 102 is provided in the middle of the guide channel 1. The baffle module 102 can block the flow of coolant in the guide channel 1 to the right. The lower end of the guide channel 1 on the left side of the barrier module 102 is provided with a left channel 103 that communicates with the left chamber 202, and the lower end of the guide channel 1 on the right side of the barrier module 102 is provided with a right channel 104 that communicates with the left chamber 202; a shelf 301 is provided between the current collection area 3 and the battery placement area 2, and two flow channel through holes 302 are provided on the shelf 301; one flow channel through hole 302 connects the left chamber 202 and the current collection area 3; the other flow channel through hole 302 connects the right chamber 203 and the current collection area 3; the lower end of the battery box is provided with an outlet 303 that communicates with the current collection area 3.

[0026] This technology is mainly for partitioning the battery box. First, the battery box has a guide channel 1, a battery placement area 2, and a junction area 3 arranged sequentially from top to bottom. The coolant flows through the guide channel 1 to the battery placement area 2 and the junction area 3. The coolant can enter the guide channel 1 through the inlet 101 at one end using a pump. Since the guide channel 1 has a rotatable baffle module 102 in the middle, the baffle module 102 can be used to partition the inside of the guide channel 1. The baffle module 102 includes a fixed plate 105 and a movable plate 106. A rotating shaft 107 is arranged between the fixed plate 105 and the movable plate 106. A drive motor is provided outside the battery box to drive the rotating shaft 107 to rotate. The fixed plate 105 is fixed to the lower end of the guide channel 1. The upper end of the guide channel 1 has a baffle 108 that abuts against the movable plate 106.

[0027] The battery placement area 2 below is provided with a middle partition 201, which divides the battery placement area 2 into a left chamber 202 and a right chamber 203. A shelf 301 is provided between the current collection area 3 and the battery placement area 2. The shelf 301 is provided with two flow channel holes 302; one flow channel hole 302 connects the left chamber 202 and the current collection area 3; the other flow channel hole 302 connects the right chamber 203 and the current collection area 3. Thus, the left side of the guide channel 1, the left chamber 202, the flow channel through hole 302, and the confluence area 3 form a connected independent space, and the right side of the guide channel 1, the right chamber 203, the flow channel through hole 302, and the confluence area 3 form a connected independent space. The connection between the two independent spaces is mainly achieved by the baffle plate module 102. Its working principle is as follows: the drive motor outside the battery box controls the angle of the movable plate 106 by rotating the shaft 107, and makes it contact or disengage from the baffle 108, thereby opening or isolating the two independent chambers. Depending on the actual connection and use with the load equipment, it can be determined whether the coolant entering through one opening enters into one battery chamber or whether the energy storage batteries installed in both chambers are used for cooling and heat dissipation.

[0028] At the same time, refer to Figure 4 As shown, the battery box surface is provided with two sets of electrical connection interfaces 4. The purpose is that, as the coolant flows to the right, the water pressure gradually decreases, meaning that the cooling effect of the coolant in the chamber near the inlet 101 is greater than that in the chamber far from the inlet 101. Therefore, the operator connects the high-power equipment to the energy storage battery in the left chamber 202 through the interface, and the steady-state low-power equipment to the energy storage battery in the right and left chambers 202. By opening the baffle module 102, the coolant entering through one opening achieves high-efficiency heat dissipation for the high-heat battery area and low-efficiency heat dissipation for the low-heat battery area.

[0029] Valve switches 304 are installed at the two flow channel through holes 302. The purpose is to allow the operator to store the internal coolant inside when the energy storage battery is not in operation, forming an immersion contact with the energy storage battery. Thus, when the energy storage battery is in operation, external coolant is injected on the basis of the already immersed coolant inside, realizing rapid coolant heat dissipation.

[0030] At the same time, refer to Figure 1 , Figure 5As shown, both the left chamber 202 and the right chamber 203 are equipped with mounting bases 5 for fixing energy storage batteries. The mounting base 5 includes an upper profile base 501 and a lower profile base 502, which are positioned opposite each other. The upper profile base 501 and the lower profile base 502 are respectively provided with upper slots 503 and lower slots 504 for fixing energy storage batteries on their opposite surfaces. With the mounting base 5 structure loaded, the energy storage battery is positioned in the middle of the chamber, which not only stabilizes the energy storage battery under the pressure of the coolant, but also allows the coolant filled in the chamber to contact the energy storage battery at multiple angles, thereby improving the cooling and heat dissipation effect through multiple contact surfaces.

[0031] The above description is merely a preferred embodiment of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this application. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical meaning of this application without departing from the scope of the technical solution of this application shall fall within the scope of the technical solution of this application.

Claims

1. A partitioned immersion liquid-cooled energy storage battery box, characterized in that: The battery box is provided with a guide channel (1), a battery placement area (2), and a junction area (3) arranged from top to bottom; the coolant flows from the guide channel (1) to the battery placement area (2) and the junction area (3) in sequence; The battery placement area (2) is provided with a middle partition (201), which divides the battery placement area (2) into a left chamber (202) and a right chamber (203); The guide channel (1) includes an inlet (101) located at one end, and a rotatable baffle module (102) located in the middle of the guide channel (1). The baffle module (102) can block the flow of coolant in the guide channel (1). The lower end of the guide channel (1) on the left side of the baffle module (102) is provided with a left channel (103) communicating with the left chamber (202), and the lower end of the guide channel (1) on the right side of the baffle module (102) is provided with a right channel (104) communicating with the left chamber (202). A shelf (301) is provided between the busbar area (3) and the battery placement area (2). The shelf (301) has two flow channel through holes (302); one flow channel through hole (302) connects the left chamber (202) and the busbar area (3); the other flow channel through hole (302) connects the right chamber (203) and the busbar area (3). The lower end of the battery box is provided with an outlet (303) that connects to the busbar area (3).

2. The partitioned immersion liquid-cooled energy storage battery box according to claim 1, characterized in that: The barrier module (102) includes a fixed plate (105) and a movable plate (106). A rotating shaft (107) is provided between the fixed plate (105) and the movable plate (106). A drive motor for driving the rotating shaft (107) to rotate is provided outside the battery box.

3. The partitioned immersion liquid-cooled energy storage battery box according to claim 2, characterized in that: The fixed plate (105) is fixed at the lower end of the guide channel (1), and the upper end of the guide channel (1) is provided with a baffle (108) that abuts against the movable plate (106).

4. The partitioned immersion liquid-cooled energy storage battery box according to claim 1, characterized in that: Valve switches (304) are installed at two flow channel through holes (302).

5. A partitioned immersion liquid-cooled energy storage battery box according to claim 1, characterized in that: The battery box has two sets of electrical connection interfaces (4) on its surface.

6. A partitioned immersion liquid-cooled energy storage battery box according to claim 1, characterized in that: The left chamber (202) and the right chamber (203) are each provided with a mounting base (5) for fixing the energy storage battery. The mounting base (5) includes an upper profile base (501) and a lower profile base (502). The upper profile base (501) and the lower profile base (502) are positioned opposite each other at the top and bottom. The upper profile base (501) and the lower profile base (502) are respectively provided with an upper slot (503) and a lower slot (504) for fixing the energy storage battery on their opposite surfaces.

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