CN221041428U

CN221041428U - Energy storage battery rack

Info

Publication number: CN221041428U
Application number: CN202322820601.4U
Authority: CN
Inventors: 徐成梅; 慈松; 高红; 张明; 张忠文; 王建强; 宫伟强; 刘建辉
Original assignee: Cloud Storage New Energy Technology Co ltd
Current assignee: Cloud Storage New Energy Technology Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-05-28
Anticipated expiration: 2033-10-20

Abstract

The utility model relates to the technical field of energy storage battery equipment, in particular to an energy storage battery rack. An energy storage battery rack comprises a front rack, a rear rack and a partition plate. The front frame is formed by cross connection of a plurality of front cross beams and front upright posts with hollow structures, and the front frame is communicated with refrigeration equipment. The rear frame is formed by cross connection of a plurality of rear cross beams and rear upright posts with hollow structures, and the rear frame is communicated with the air outlet. The baffle is connected with the front cross beam and the rear cross beam which are at the same height and are oppositely arranged. The adjacent front upright posts, the adjacent rear upright posts and the adjacent two partition plates jointly enclose into unit grids, a battery is placed in each unit grid, an insertion opening of the battery is formed between the two adjacent front upright posts, and an electric connection opening of the battery is formed between the two adjacent rear upright posts. The energy storage battery rack has the advantages that the temperature of the energy storage system is effectively reduced, the operation of the energy storage system and the normal charge and discharge of the battery are ensured, and the occurrence of disasters such as electric fire and the like is reduced.

Description

Energy storage battery rack

Technical Field

The utility model relates to the technical field of energy storage battery equipment, in particular to an energy storage battery rack.

Background

Electric energy storage systems have now become a major new source of energy. Typically, electrical energy storage systems can be built from cabinet-type small energy storage systems to container-type large energy storage systems, depending on the energy requirements of the equipment being powered. In a large-scale container-type energy storage system, tens or even hundreds of battery modules are required to be configured in each container, a large amount of heat can be generated in the working process of the energy storage system, and in a sealed container, if the temperature reaches a certain height, the system operation can be influenced, the charge and discharge of the battery are influenced, and disasters such as ignition are caused.

A cooling and heat dissipating system is generally arranged in a container type energy storage system, for example, chinese patent publication No. CN215496911U discloses an energy storage battery with good safety performance, which comprises a case, a battery storage rack and an access cover arranged above the case; the inside of the box body is hollow, and transverse plates are arranged on the inner walls around the box body; mounting plates corresponding to the positions of the transverse plates are arranged on the periphery of the battery storage rack; a buffer structure is arranged between the transverse plate and the mounting plate, and the transverse plate is connected with the mounting plate through the buffer structure; the bottom of the box body is provided with a heat radiating component, and the heat radiating component comprises an exhaust fan, two semiconductor refrigerating sheets and a temperature-conducting wire mesh. This patent carries out the cooling heat dissipation through the radiating component that exhaust fan and semiconductor refrigeration piece constitute in the box, but only can not play the radiating effect effectively through above-mentioned radiating component in narrow and small box, especially in container formula's energy storage system, can the temperature be higher and higher even, leads to influencing the normal charge and discharge of system operation and battery, arouses calamity such as electric fire even.

Disclosure of utility model

In view of the above, the present utility model aims to provide an energy storage battery rack, which adopts a hollow cross beam and an upright post to form a front rack and a rear rack, wherein the front rack and the rear rack are connected through a partition board with a hollow structure, the partition board is communicated with the front rack, the uppermost cross beam of the front rack is communicated with a refrigeration device, the uppermost cross beam of the rear rack is communicated with an air outlet, a blower is arranged at the top end of the front upright post, an exhaust fan is arranged at the top end of the rear upright post, and a cooling water pipe connected with a water source and a water drain channel is arranged in the rack for communication, so that the problems that in a container type energy storage system, even the temperature is higher and higher, the normal charge and discharge of the system and the battery are affected, and even disasters such as electric fire are caused are solved.

In order to solve the above problems, the present utility model provides an energy storage battery rack comprising:

The front rack is formed by cross connection of a plurality of front cross beams with hollow structures and front upright posts with hollow structures, and is communicated with refrigeration equipment;

The rear frame is formed by cross connection of a plurality of rear cross beams with hollow structures and rear stand columns with hollow structures, and is communicated with the air outlet;

The partition plate is connected with the front cross beam and the rear cross beam which are at the same height and are oppositely arranged;

Two adjacent front uprights, two adjacent rear uprights and two adjacent partition boards jointly enclose a cell, a battery is placed in each cell, an inserting port of the battery is formed between the two adjacent front uprights, and an electric connecting port of the battery is formed between the two adjacent rear uprights.

Further, the partition plate is of a hollow structure, and the partition plate is communicated with the front cross beam.

Further, the front upright post is provided with a plurality of air supply holes, and the air supply holes face the direction of the unit cells;

The rear upright post is provided with a plurality of exhaust holes, and the exhaust holes face the direction of the unit cells.

Further, a plurality of through holes penetrating through the thickness direction of the partition plate are formed in the partition plate.

Further, the top end of the uppermost front cross beam is a front opening, and the front opening is communicated with the refrigeration equipment through an air delivery duct;

The top end of the uppermost rear cross beam is a rear opening, and the rear opening is communicated with the air outlet through an exhaust duct.

Further, a blower is arranged at the top end of each front upright post;

An exhaust fan is arranged at the top end of each rear upright post.

Furthermore, a baffle is fixed on the electric connection port, and a plurality of connection ports are arranged on the baffle.

Further, the baffle is a semiconductor refrigeration plate, one side of the baffle facing the unit cell is a cold end, and one side of the baffle facing away from the unit cell is a hot end.

Further, the front frame is provided with a front water inlet and a front water outlet, the front water inlet is connected with a water source, and the front water outlet is connected with a water drainage channel;

The rear frame is provided with a rear water inlet and a rear water outlet, the rear water inlet is connected with the water source, and the rear water outlet is connected with the water drainage channel.

Further, cooling water pipes are respectively arranged in the front frame and the rear frame, and are connected with the water source and the drainage channel.

Compared with the prior art, the energy storage battery rack provided by the utility model has the following advantages:

The technical scheme has the advantages that the hollow cross beam and the stand column are adopted to form the front frame and the rear frame, the front frame is connected with the rear frame through the partition board of the hollow structure, the partition board is communicated with the front frame, the uppermost cross beam of the front frame is communicated with the refrigerating equipment, the uppermost cross beam of the rear frame is communicated with the air outlet, the blower is arranged at the top end of the front stand column, the exhaust fan is arranged at the top end of the rear stand column, the cooling water pipe connected with the water source and the drainage channel is arranged in the frame and communicated, the integral heat dissipation and cooling system is formed, the temperature of the energy storage system is effectively reduced, the operation of the energy storage system and the normal charge and discharge of the battery are ensured, and the occurrence of disasters such as electric fire is reduced.

Drawings

Fig. 1 is a perspective view of an energy storage battery rack according to an embodiment of the present utility model;

FIG. 2 is a perspective view of a front housing according to an embodiment of the present utility model;

Fig. 3 is a perspective view of a rear chassis according to an embodiment of the present utility model.

Reference numerals illustrate:

100-front frame, 110-front beam, 111-front opening, 120-front column, 121-air supply hole, 200-rear frame, 210-rear beam, 211-rear opening, 220-rear column, 221-exhaust hole, 300-baffle plate and 400-baffle plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

The description of "first," "second," "upper," "lower," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or the number of technical features indicated. Thus, a feature defining "first", "second", "upper", "lower" may include at least one such feature, either explicitly or implicitly. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the combination between the embodiments, and all the technical solutions are within the scope of protection claimed by the present utility model.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 3, an energy storage battery rack includes: a front chassis 100, a rear chassis 200, and a bulkhead 300. The front frame 100 is formed by cross-connecting a plurality of front cross beams 110 with hollow structures and front upright posts 120 with hollow structures, and the front frame 100 is communicated with refrigeration equipment. The rear frame 200 is formed by cross connection of a plurality of rear cross beams 210 with hollow structures and rear upright posts 220 with hollow structures, and the rear frame 200 is communicated with an air outlet. The partition 300 is connected to the front beam 110 and the rear beam 210 which are disposed at the same height and opposite to each other. Two adjacent front posts 110, two adjacent rear posts 220 and two adjacent partition boards 300 together form a unit cell, a battery is placed in each unit cell, an insertion opening for the battery is formed between the two adjacent front posts 110, and an electric connection opening for the battery is formed between the two adjacent rear posts 220.

The frame with the structure can be provided with at least 2 batteries and up to tens of batteries, a plurality of frames are usually arranged in the container type energy storage system, each frame is provided with tens of batteries, a large amount of heat can be generated during operation, and a refrigeration and heat dissipation system is required to be arranged in a general container system to cool the energy storage system. In the frame of the present embodiment, each cross member and each column are hollow structures, for example, square tubes. As an example, the front frame 100 is formed by intersecting 5 front cross members 110 and 5 front pillars 120, and the front cross members 110 and the front pillars 120 are communicated with each other. The rear frame 200 is also formed by intersecting a rear cross member 210 and 5 rear posts 220, and the rear cross member 210 and the rear posts 220 are also mutually communicated. The front housing 100 is connected to a cooling device, for example, an air conditioning device, to supply cool air to the housing. The rear frame 200 communicates with the air outlet, and discharges hot air generated in the frame to the outside of the container. The cooling of the battery of each unit cell of the energy storage system is effectively realized. One side of each cell is a battery insertion port, the other opposite side is a battery electric connection port, and each battery is connected in series-parallel at the electric connection port. As one embodiment, the frame is an open frame formed by the above structure, and as another embodiment, the insertion opening, the electrical connection opening, and the side surface of each cell may be plugged by plate members to form a closed frame. The plate-like members of each surface may be in units of unit cells or may be formed as an integral wall plate. The front wall panel may be formed as an openable cabinet door. For better cooling and heat dissipation, an open frame is preferably used.

Further, the partition 300 is of a hollow structure, and the partition 300 communicates with the front cross member.

The structure can be connected with the upright post through the cross beam and the upright post of the hollow structure to form a rack, so that the cooling and the heat dissipation are effectively realized, and after the battery is mounted on the cell, cold air is input from the front side of the cell and the hot air is discharged from the rear side in the operation process. Preferably, the partition 300 is also made in a hollow structure, and the partition 300 communicates with the front cross members 110, and the cold air inputted from each front pillar 120 is inputted into the partition 300 through each front cross member 110, so that each unit cell can also be inputted with cold air from the up-down direction of the battery, further improving the cooling effect of the rack.

Further, the front pillar 120 is provided with a plurality of air blowing holes 121, and the air blowing holes 121 face the cell direction. The rear pillar 220 is provided with a plurality of exhaust holes 221, and the exhaust holes 221 are directed toward the cell.

Cool air is introduced into the cells through the air-feed holes 121, and hot air is discharged through the air-discharge holes 221.

Preferably, the separator 300 is provided with a plurality of through holes penetrating the thickness direction of the separator.

The cold air inputted into the inside of the partition 300 is inputted into the unit cells through the through holes.

The cold air is input from the inserting port direction and the upper and lower sides of the unit cells, and the hot air is discharged from the electric connecting port direction of the unit cells to form an air flow channel, so that the cooling and heat dissipation of the rack are effectively realized. In addition, in the open type rack, the cool air inputted through the air-feeding hole 121 and the through hole of the partition 300 forms cool air walls at the front and side surfaces of the rack such that the inside of the cells is isolated from the outside of the rack, and the hot air at the electric connection port is also blocked outside the rack due to the cool air inputted inside the cells and the air flow discharged from the hot air through the air-discharging hole.

Further, the top end of the uppermost front beam 110 is a front opening 111, and the front opening 111 is communicated with the refrigeration equipment through an air delivery duct. The top end of the uppermost rear cross beam 210 is a rear opening 211, and the rear opening 211 is communicated with the air outlet through an air exhaust duct.

As one example, the cooling device inputs cool air through the front cross member 110 of the front frame. However, the cold air input efficiency is low and uneven, and the cold air amount at the cold air input end is large and the cold air amount to the end of the front cross member 110 is small, so that as another embodiment, the front opening 111 is provided at the top end of the uppermost front cross member 110 to form a slot-shaped cross member, and the cold air input efficiency is high and even. The same is true for exhaust, and the rear opening 211 is formed in the uppermost rear cross beam 210, so that the slot-shaped cross beam is formed, the exhaust efficiency is improved, and the exhaust is uniform.

Further, a blower is provided at the top end of each of the front pillars 120. An exhaust fan is provided at the top end of each rear pillar 220.

The blower is provided at the port where each front pillar 120 is connected to the uppermost front cross member 110 of the tub type, and the inputted cool air is introduced into the front pillar 120, thereby improving the efficiency of cool air input. Exhaust is also provided with an exhaust fan at the top end of the rear upright 220, so that hot air is pumped into the uppermost rear cross beam 210 in a groove shape and is exhausted through an exhaust channel, and the exhaust efficiency is improved.

Further, a baffle 400 is fixed to the electric connection port, and a plurality of connection ports are provided in the baffle 400.

The batteries are electrically connected in series-parallel through the connection ports.

Further, the baffle 400 is a semiconductor refrigeration plate, a side of the baffle 400 facing the unit cell is a cold end, and a side of the baffle 400 facing away from the unit cell is a hot end.

After the baffle 400 is arranged on the electric connection port, a certain blocking effect is achieved on the discharged hot air, meanwhile, the inside and the outside of the unit cells are isolated, and the hot air in the unit cells is concentrated to the exhaust holes 221, so that the exhaust efficiency is improved, and the refrigerating and exhaust effects are improved. The baffle 400 is made of a semiconductor refrigeration plate, and the cold end faces the direction of the unit cell, so that the refrigeration effect is further improved.

As another example, the baffle 400 may be a common plate-like member, preferably a metal plate having a heat-conducting material, and a semiconductor plate is provided on a surface of the baffle 400 facing the unit cell, and the hot-end side is bonded to the baffle 400.

Further, the front frame 100 is provided with a front water inlet and a front water outlet, the front water inlet is connected with a water source, and the front water outlet is connected with a water drainage channel. The rear frame 200 is provided with a rear water inlet and a rear water outlet, the rear water inlet is connected with the water source, and the rear water outlet is connected with the water drainage channel.

The air cooling type air conditioner has the advantages that the water cooling mechanism can be arranged on the basis of air cooling, the refrigerating effect is further improved, meanwhile, the water cooling mechanism is arranged on the rear rack, the temperature of the rear rack is effectively reduced, and the refrigerating and heat radiating effects of the rack are improved.

Further, cooling water pipes are respectively provided in the front frame 100 and the rear frame 200, and are connected to the water source and the drainage channel.

The interiors of the front rail 110, the front pillar 120, the rear rail 210, the rear pillar 220, and the partition 300 are used for ventilation, and if the water is circulated, the interior of the hollow structure may be divided into two parts, one part being ventilated and the other part being water-filled. As another embodiment, a cooling water pipe may be provided inside the hollow structure, the cooling water pipe being connected to a water source and a drain passage.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims

1. An energy storage battery rack, comprising:

The front frame (100) is formed by cross connection of a plurality of front cross beams (110) with hollow structures and front upright posts (120) with hollow structures, and the front frame (100) is communicated with refrigeration equipment;

The rear frame (200) is formed by cross connection of a plurality of rear cross beams (210) with hollow structures and rear upright posts (220) with hollow structures, and the rear frame (200) is communicated with the air outlet;

A bulkhead 300 connected to the front beam 110 and the rear beam 210 which are disposed at the same height and are opposed to each other;

Two adjacent front uprights (120), two adjacent rear uprights (220) and two adjacent partition boards (300) jointly enclose a cell, a battery is placed in each cell, an insertion opening of the battery is formed between the two adjacent front uprights (120), and an electric connection opening of the battery is formed between the two adjacent rear uprights (220).

2. The energy storage battery housing of claim 1, wherein,

The bulkhead (300) is of a hollow structure, and the bulkhead (300) is in communication with the front cross member (110).

3. The energy storage battery housing of claim 2, wherein,

The front upright post (120) is provided with a plurality of air supply holes (121), and the air supply holes (121) face the cell direction;

The rear upright (220) is provided with a plurality of exhaust holes (221), and the exhaust holes (221) face the direction of the unit cell.

4. The energy storage battery housing of claim 3 wherein,

A plurality of through holes penetrating the thickness direction of the partition board (300) are formed in the partition board (300).

5. The energy storage battery housing of claim 4 wherein,

The top end of the uppermost front cross beam (110) is provided with a front opening (111), and the front opening (111) is communicated with the refrigeration equipment through an air delivery duct;

The top end of the uppermost rear cross beam (210) is provided with a rear opening (211), and the rear opening (211) is communicated with the air outlet through an exhaust duct.

6. The energy storage battery housing of claim 5 wherein,

A blower is arranged at the top end of each front upright post (120);

an exhaust fan is arranged at the top end of each rear upright post (220).

7. The energy storage battery housing of claim 1, wherein,

A baffle plate (400) is fixed to the electric connection port, and a plurality of connection ports are formed in the baffle plate (400).

8. The energy storage battery housing of claim 7 wherein,

The baffle (400) is a semiconductor refrigeration plate, one side of the baffle (400) facing the unit cell is a cold end, and one side of the baffle (400) facing away from the unit cell is a hot end.

9. The energy storage battery housing of claim 2, wherein,

The front frame (100) is provided with a front water inlet and a front water outlet, the front water inlet is connected with a water source, and the front water outlet is connected with a water drainage channel;

The rear frame (200) is provided with a rear water inlet and a rear water outlet, the rear water inlet is connected with the water source, and the rear water outlet is connected with the water drainage channel.

10. The energy storage battery housing of claim 9 wherein,

Cooling water pipes are respectively arranged in the front frame (100) and the rear frame (200), and are connected with the water source and the drainage channel.