CN219497960U - Battery cluster and energy storage container - Google Patents

Abstract

The utility model provides a battery cluster and an energy storage container, which belong to the technical field of batteries, and comprise a cabinet body, a battery box and a driving device, wherein the cabinet body is provided with a plurality of layers of accommodating cavities, each layer of accommodating cavity comprises a battery working area and a battery fire extinguishing area, and a fire extinguishing system is communicated in the battery fire extinguishing area; the battery box is arranged in the accommodating cavity in a sliding manner, and a battery module is arranged in the battery box; the driving device is connected with the battery box and used for driving the battery box to move between the battery working area and the battery fire extinguishing area. In the utility model, when the battery module is abnormal, the driving device moves the battery box where the abnormal battery module is positioned into the battery fire extinguishing area, the abnormal battery module is separated from the normal battery module array and is spatially separated, the fire extinguishing system is started to accurately extinguish fire, and the fire extinguishing agent only covers the space in the battery fire extinguishing area, so that the subsequent treatment of other normal battery modules and fire fighters is not influenced, and the large economic loss is avoided.

Description

Battery cluster and energy storage container

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery cluster and an energy storage container.

Background

The container type energy storage system is new energy equipment which stores a large amount of energy storage lithium batteries in a container and performs peak clipping, valley filling, frequency modulation and other functions, and has the advantages of easy installation, easy transportation, modularization and the like. The large number of lithium batteries in the container energy storage system is accompanied by great potential safety hazards, and the container energy storage system is frequent in fire disaster, so that great loss and influence are caused.

The energy storage container fire control design of fixed module is mainly adopted at the present stage, the fixed fire control design is that the battery and the battery rack are rigidly connected through connecting pieces such as screws, a detection device is arranged around, when the battery state is abnormal, a partition where the battery is located is selected through a partition selection valve to extinguish fire, after the battery is abnormal, the design can not enable the abnormal battery module to physically leave the battery area, and all the battery modules of the partition where the abnormal battery module belongs are covered by fire extinguishing agents of a fire extinguishing system after the abnormal battery module is found, so that more normal batteries are scrapped to cause unnecessary economic loss.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the economic loss is caused by scrapping of normal batteries because all the battery modules of the partition to which one group of batteries in the battery cluster in the prior art belong are covered by the fire extinguishing agent of the fire extinguishing system after the abnormality occurs, so that the battery cluster and the energy storage container are provided.

In order to solve the above technical problems, the present utility model provides a battery cluster, comprising:

the cabinet body is provided with at least one group, each group of cabinet body is provided with a plurality of layers of accommodating cavities, each layer of accommodating cavity comprises a battery working area and a battery fire extinguishing area, and a fire extinguishing system is communicated in the battery fire extinguishing area;

the battery box is arranged in the accommodating cavity in a sliding manner, and a battery module is arranged in the battery box;

and the driving device is connected with the battery box and used for driving the battery box to move between the battery working area and the battery fire extinguishing area.

Optionally, the battery fire extinguishing area has a back plate, the back plate being a detachable face plate.

Optionally, each layer of accommodating cavity is provided with two groups of battery working areas, and the two groups of battery working areas are symmetrically arranged at two sides of the battery fire extinguishing area; and two groups of battery boxes are slidably arranged in each layer of accommodating cavity.

Optionally, the battery box has a panel, and the panel closes the battery fire extinguishing area after the battery box moves from the battery working area to the battery fire extinguishing area.

Optionally, a heat dissipation fan is arranged on the panel.

Optionally, an opening is formed in the side wall of the cabinet body in the battery working area.

Optionally, a chute or a sliding rail penetrating through the battery working area and the battery fire extinguishing area is arranged on the inner side wall of the accommodating cavity, and the battery box is connected with the chute or the sliding rail.

Optionally, the driving device includes:

the gear is arranged in the cabinet body and is arranged between the battery working area and the battery fire extinguishing area;

the rack is arranged on the battery box, the rack is matched with the gear, and the battery box can slide from the battery working area to the battery fire extinguishing area and slide from the battery fire extinguishing area to the battery working area through driving of the gear.

The utility model provides an energy storage container, comprising:

a case;

the fire control system is arranged in the box body;

and at least one group of battery clusters according to any one of the above, wherein the battery clusters are arranged in the box body.

Optionally, heat-insulating flame-retardant plates for isolating the fire-extinguishing areas of the adjacent batteries are arranged between the two groups of adjacent battery clusters and between the adjacent cabinet bodies.

The technical scheme of the utility model has the following advantages:

1. according to the battery cluster, the cabinet body is provided with the multi-layer accommodating cavities, each layer of accommodating cavity comprises the battery working area and the battery fire extinguishing area, the battery fire extinguishing areas are communicated with the fire extinguishing system, when the battery modules are abnormal, the driving device moves the battery box where the abnormal battery modules are located into the battery fire extinguishing areas, the abnormal battery modules are separated from the normal battery module array in space, the fire extinguishing system is started to conduct accurate fire extinguishing, the fire extinguishing agent only covers the space in the battery fire extinguishing areas, the follow-up treatment of other normal battery modules and fire fighters is not influenced, and large economic loss is avoided.

2. The battery cluster provided by the utility model has the advantages that the battery fire extinguishing area is provided with the backboard, and the backboard is the detachable panel, so that staff can conveniently carry out post-treatment on the battery box entering the battery fire extinguishing area.

3. According to the battery cluster provided by the utility model, each layer of accommodating cavity is internally provided with two groups of battery working areas, the two groups of battery working areas are symmetrically arranged at two sides of the battery fire extinguishing area, each layer of accommodating cavity is internally provided with two groups of battery boxes in a sliding manner, and the two groups of battery boxes on the same layer use one group of battery fire extinguishing area arranged in the middle to perform fire extinguishing work, so that the arrangement space of battery modules is saved, the efficiency is improved, and the cost is reduced.

4. According to the battery cluster provided by the utility model, the battery box is provided with the panel, and after the battery box moves from the battery working area to the battery fire extinguishing area, the panel seals the battery fire extinguishing area, so that the accurate coverage of the fire extinguishing agent on the battery module is effectively ensured under the abnormal condition of the battery module, the effectiveness of the design of the fire extinguishing technical scheme is improved, and the economic cost is reduced.

5. According to the battery cluster provided by the utility model, the radiating fan is arranged on the panel, and when the battery module is in a high-temperature condition, the radiating fan is started to strengthen ventilation in the battery box, so that the battery module is cooled, and hidden danger is reduced.

6. According to the battery cluster provided by the utility model, the side wall of the cabinet body is provided with the opening in the battery working area, so that ventilation and heat dissipation in the battery box are facilitated, and the safety of the battery module during normal operation is effectively ensured.

7. According to the battery cluster provided by the utility model, the sliding grooves or the sliding rails penetrating through the battery working area and the battery fire extinguishing area are arranged on the inner side wall of the accommodating cavity, the battery box is connected with the sliding grooves or the sliding rails, and the arrangement of the sliding grooves or the sliding rails ensures the stability of the moving direction and the moving process of the battery box.

8. The driving device comprises the rack and the gear which are matched with each other, the gear is arranged between the battery working area and the battery fire extinguishing area in the cabinet body, the rack is arranged on the battery box, the battery box can slide between the battery fire extinguishing area and the battery working area through driving of the gear, when abnormality occurs, the battery box is moved to the battery fire extinguishing area to extinguish fire through the driving device, manual pushing is not needed, timely response is achieved, quick and accurate fire extinguishing is achieved, efficiency is improved, and large loss is avoided.

9. The energy storage container provided by the utility model comprises a container body, a fire-fighting system and at least one group of battery clusters, wherein the fire-fighting system and the at least one group of battery clusters are arranged in the container body, and when one group of battery modules in the battery clusters are abnormal, the battery modules are moved to a battery fire-extinguishing area for accurate treatment, so that the influence on other normal modules is avoided, and the loss is reduced.

10. According to the energy storage container provided by the utility model, the heat insulation flame-retardant plates are arranged between the adjacent battery clusters and between the adjacent cabinet bodies and used for blocking heat between the adjacent battery fire extinguishing areas, so that the damage caused by the influence of the abnormal modules on the adjacent battery clusters and the adjacent cabinet bodies is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a first embodiment of a battery cluster provided in an embodiment of the present utility model;

FIG. 2 is a schematic view of the cabinet in FIG. 1;

FIG. 3 is a schematic view of the structure of the back view in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1;

fig. 5 is a perspective view of a second embodiment of a battery cluster provided in an embodiment of the present utility model;

FIG. 6 is a schematic view of the cabinet of FIG. 5;

FIG. 7 is a schematic cross-sectional view of the structure of FIG. 5;

fig. 8 is a schematic structural view of a specific implementation of a battery box provided in an embodiment of the present utility model;

fig. 9 is a schematic structural view of another embodiment of a battery box provided in an embodiment of the present utility model;

FIG. 10 is a schematic top view of one embodiment of an energy storage container provided in another embodiment of the present utility model;

fig. 11 is a schematic rear view of the structure of fig. 10.

Reference numerals illustrate:

1. a cabinet body; 2. a receiving chamber; 3. a battery operating region; 4. a battery fire extinguishing area; 5. a battery box; 6. a driving device; 7. a back plate; 8. a panel; 9. a heat radiation fan; 10. an opening; 11. a gear; 12. a rack; 13. a case; 14. a fire protection system; 15. a heat insulating flame retardant panel; 16. a second handle; 17. a first handle; 18. and a composite detection unit.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1 to 4, a first embodiment of a battery cluster provided in this embodiment includes a cabinet body 1, a battery box 5 and a driving device 6, where the cabinet body 1 has at least one group, each group of cabinet bodies 1 has a plurality of layers of accommodating chambers 2, each layer of accommodating chambers 2 includes a battery working area 3 and a battery fire extinguishing area 4, a fire extinguishing system 14 is connected in the battery fire extinguishing area 4, the battery box 5 is slidably disposed in the accommodating chambers 2, a battery module is installed inside the battery box 5, and the driving device 6 is connected with the battery box 5 and is used for driving the battery box 5 to move between the battery working area 3 and the battery fire extinguishing area 4.

When the battery module is abnormal, the driving device 6 moves the battery box 5 where the abnormal battery module is located into the battery fire extinguishing area 4, the abnormal battery module is separated from the normal battery module array and is separated in space, the fire extinguishing system 14 is started to extinguish fire accurately, the fire extinguishing agent only covers the space in the battery fire extinguishing area, the follow-up treatment of other normal battery modules and fire fighters is not affected, and large economic loss is avoided.

In this embodiment, the battery module includes a battery management unit and a battery data acquisition unit, the battery management unit is connected with the fire protection system 14, the battery data acquisition unit is used for acquiring voltage, current and temperature of the battery module, the battery management unit is used for receiving data acquired by the battery data acquisition unit, and a battery management policy is formulated according to the received data, and the battery management unit is connected with the fire protection system 14 to control movement of the battery box 5. Near the battery working area 3 of the battery box 5, a composite detection unit 18 is further arranged, the composite detection unit 18 can detect the hydrogen concentration, the carbon monoxide concentration and the temperature of the battery box 5, the data of the composite detection unit 18 and the data of the battery data acquisition unit are integrated, and when the set fire-fighting starting conditions of different levels are reached, the fire-fighting system is started for grading treatment, for example, when the heat of the battery is higher, only a fan can be started for radiating, the degree of automation is high, the response is timely, and the loss is avoided.

As shown in fig. 3, in the battery cluster provided in this embodiment, the battery fire extinguishing area 4 has a back plate 7, and the back plate 7 is a detachable panel, so that a worker can perform post-treatment on the battery box entering the battery fire extinguishing area 4. The holes connected with the fire extinguishing system 14 can be arranged on the back plate 7 and can also be arranged on the side wall of the battery fire extinguishing area 4, wherein one group of edges of the back plate 7 can be connected with the cabinet body 1 through hinges, the opposite edges are fixed with the cabinet body 1, when the battery box 5 in the battery fire extinguishing area 4 needs to be taken out, the fixed end of the back plate 7 is opened, the back plate 7 is rotated around the hinges, and after the back plate is opened, the battery box 5 in the battery fire extinguishing area 4 is taken out. In addition, as an alternative embodiment, the battery extinguishing area 4 may be provided without the back plate 7, in which case a closed extinguishing environment is realized by the face plate 8 of the battery box 5.

Specifically, the back plate 7 may be provided with a second handle 16. The second handle 16 is convenient to open and close the backboard 7, is convenient for operators to operate, and is convenient and quick.

As shown in fig. 5 to 7, for the second embodiment of the battery cluster provided in this embodiment, each layer of the accommodating cavity 2 has two groups of battery working areas 3, and the two groups of battery working areas 3 are symmetrically disposed at two sides of the battery fire extinguishing area 4; every layer the slip is provided with two sets of battery case 5 in holding chamber 2 can set up the hole of being connected with fire extinguishing systems 14 on the lateral wall of battery fire extinguishing area 4, and two sets of battery cases 5 of same layer use locate a set of battery fire extinguishing area 4 in the middle and carry out fire control work, save battery module space of arranging, and raise the efficiency, reduce cost.

As shown in fig. 8 and 9, in the battery cluster provided in this embodiment, the battery box 5 has a panel 8, and after the battery box 5 moves from the battery working area 3 to the battery fire extinguishing area 4, the panel 8 closes the battery fire extinguishing area 4. When only one group of battery working areas 3 is provided, and meanwhile, the battery fire extinguishing areas 4 are provided with back plates 7, the battery box 5 can be provided with a group of face plates 8 matched with the cabinet body 1 as shown in fig. 8; when the battery working area 3 has two groups, or the battery working area 3 has only one group, and meanwhile, the battery fire extinguishing area 4 does not have the backboard 7, then the battery box 5 can be as shown in fig. 9, and has two groups of panels 8 matched with the cabinet body 1, so that a closed fire extinguishing environment can be realized, the accurate coverage of the fire extinguishing agent to the battery module is effectively ensured under the abnormal condition of the battery module, the design effectiveness of the fire extinguishing technical scheme is improved, and the economic cost is reduced.

Specifically, a first handle 17 may be provided on the outer panel 8, and the provision of the first handle 17 facilitates the operation of the battery box 5 by a worker, and may pull it out of the cabinet 1 from the battery working area 3 for inspection and repair.

As shown in fig. 8 and 9, in the battery cluster provided in this embodiment, the panel 8 is provided with the cooling fan 9, and when the battery module has a higher temperature, the cooling fan 9 is started to enhance ventilation in the battery box 5, thereby cooling the battery module and reducing hidden trouble. In addition, as an alternative embodiment, the heat dissipation fan 9 may be disposed on a side wall of the battery box 5 other than the panel 8, in this embodiment, the heat dissipation fan 9 is connected to the battery management unit, and when the temperature data collected by the battery data collection unit exceeds a specified value, the battery management unit starts the heat dissipation fan 9 to cool the battery module.

As shown in fig. 1 to 7, in the battery cluster provided in this embodiment, the side wall of the cabinet body 1 is provided with the opening 10 in the battery working area 3, which is favorable to ventilation and heat dissipation in the battery box 5, effectively ensures the safety of the battery module during normal operation, and the bottom of the battery working area 3 may not be provided with a bottom plate, thereby further ensuring the ventilation of the battery box 5.

As shown in fig. 2 and 6, in the battery cluster provided in this embodiment, a chute or a slide rail penetrating through the battery working area 3 and the battery fire extinguishing area 4 is provided on the inner side wall of the accommodating cavity 2, and the battery box 5 is connected with the chute or the slide rail, and the arrangement of the chute or the slide rail ensures the stability of the moving direction and the moving process of the battery box 5. The inner side wall of the accommodating cavity 2 can be provided with a sliding groove, and the outer side wall of the battery box 5 is correspondingly provided with a sliding rail matched with the sliding groove.

As shown in fig. 1 and 5, in the battery cluster provided in this embodiment, the driving device 6 includes a gear 11 and a rack 12, the gear 11 is disposed in the cabinet 1, and the gear 11 is disposed between the battery working area 3 and the battery fire extinguishing area 4; a rack 12 is provided on the battery box 5, the rack 12 is engaged with the gear 11, and the battery box 5 is made slidable from the battery operation area 3 to the battery fire extinguishing area 4 and from the battery fire extinguishing area 4 to the battery operation area 3 by driving of the gear 11. The racks 12 can be arranged into two groups, the two groups are respectively arranged on two sides of the bottom surface of the battery box 5, the gears 11 are respectively matched with the opposite positions below the two groups of racks 12, the two groups of gears 11 are connected through a rotating shaft, the gears 11 are driven by a driving motor, and the driving motor drives the two groups of gears 11 to rotate simultaneously to drive the racks 12 to move. When the abnormality occurs, the battery box 5 is moved to the battery fire extinguishing area 4 through the driving device 6 to extinguish fire, manual pushing is not needed, timely response is performed, quick and accurate fire extinguishing is performed, efficiency is improved, and large loss is avoided.

In addition, as an alternative embodiment, the driving device 6 may have other structures, for example, a linear module, a sliding table of the linear module is disposed in the accommodating cavity 2, a sliding block of the linear module is connected with the battery box 5, the sliding block moves to drive the battery box 5 to move, and the sliding block of the linear module is connected with the tail end of the battery box 5, so that the linear module can move the battery box 5 into the battery fire extinguishing area 4, and can also move the battery box 5 to the outside of the cabinet body 1.

As shown in fig. 10 and 11, a specific implementation manner of the energy storage container provided in another embodiment includes a case 13, a fire protection system 14, and at least one group of battery clusters in the foregoing embodiment, where the battery clusters are disposed in the case 13, and the fire protection system 14 is disposed in the case 13, where the battery clusters may be disposed in the case 13 side by side, or may be disposed in other arrangements. When one group of battery modules of the battery cluster is abnormal, the battery module is moved to the battery fire extinguishing area 4 for accurate treatment, so that the influence on other normal modules is avoided, and the loss is reduced. Each group of battery fire extinguishing areas 4 is connected with the fire extinguishing system 14 through a connecting pipeline, corresponding selection valves are arranged on the connecting pipeline, and the corresponding selection valves of the abnormal battery modules are opened to perform fire extinguishing.

As shown in fig. 10 and 11, in the energy storage container provided in the embodiment, heat-insulating flame-retardant plates 15 for isolating the adjacent battery fire extinguishing areas 4 are arranged between two groups of adjacent battery clusters and between the adjacent cabinet bodies 1. The heat insulation device is used for blocking heat between adjacent battery fire extinguishing areas and avoiding loss caused by the influence of an abnormal module on adjacent battery clusters or adjacent cabinet bodies 1.

The fire-fighting working process of the battery cluster comprises the following steps: under the normal condition of the running state of the battery module, all the battery boxes 5 are positioned in the battery working area 3, in operation, a battery data acquisition unit acquires the voltage, the current and the temperature of the battery module in real time, a battery management unit carries out charge and discharge management of the battery according to received data, a preset battery management strategy and an instruction of an energy management system of a box level, the battery management unit is connected with a fire protection system 14 to transmit the data into the fire protection system, the fire protection system 14 receives the data of a composite detection unit 18 in addition to the data of the battery management unit as the basis of the control strategy of the fire protection system, the two types of data are combined to serve as judgment conditions, and the fire protection system is started to conduct grading treatment when the set fire protection starting conditions of different levels are reached.

If a thermal runaway abnormal condition occurs, the driving device 6 moves the abnormal battery box 5 into the battery fire extinguishing area 4, the fire extinguishing system 14 starts spraying fire extinguishing agent, and the fire extinguishing agent is accurately positioned to the area where the abnormal battery module is located through the selection valve, so that the abnormal battery module can be accurately extinguished. At the same time the entire battery system is stopped.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A battery cluster, comprising:

the cabinet body (1) is provided with at least one group, each group of cabinet body (1) is provided with a plurality of layers of accommodating cavities (2), each layer of accommodating cavity (2) comprises a battery working area (3) and a battery fire extinguishing area (4), and a fire extinguishing system (14) is communicated in the battery fire extinguishing area (4);

the battery box (5) is arranged in the accommodating cavity (2) in a sliding manner, and a battery module is arranged in the battery box (5);

and the driving device (6) is connected with the battery box (5) and is used for driving the battery box (5) to move between the battery working area (3) and the battery fire extinguishing area (4).

2. The battery cluster according to claim 1, characterized in that the battery extinguishing area (4) has a back plate (7), the back plate (7) being a detachable face plate.

3. The battery cluster according to claim 1, wherein each layer of the accommodating cavity (2) is provided with two groups of battery working areas (3), and the two groups of battery working areas (3) are symmetrically arranged at two sides of the battery fire extinguishing area (4); two groups of battery boxes (5) are slidably arranged in each layer of accommodating cavity (2).

4. A battery cluster according to any one of claims 1-3, characterized in that the battery box (5) has a panel (8), the panel (8) closing the battery extinguishing area (4) after the battery box (5) has been moved from the battery working area (3) to the battery extinguishing area (4).

5. The battery cluster according to claim 4, characterized in that the panel (8) is provided with a cooling fan (9).

6. A battery cluster according to any one of claims 1-3, characterized in that the side walls of the cabinet (1) are provided with openings (10) in the battery working area (3).

7. A battery cluster according to any one of claims 1-3, characterized in that the inner side wall of the receiving chamber (2) is provided with a chute or a slide rail penetrating the battery working area (3) and the battery extinguishing area (4), and the battery box (5) is connected with the chute or slide rail.

8. A battery cluster according to any one of claims 1-3, characterized in that the driving means (6) comprises:

a gear (11) arranged in the cabinet body (1), wherein the gear (11) is arranged between the battery working area (3) and the battery fire extinguishing area (4);

the rack (12) is arranged on the battery box (5), the rack (12) is matched with the gear (11), and the battery box (5) can slide from the battery working area (3) to the battery fire extinguishing area (4) and slide from the battery fire extinguishing area (4) to the battery working area (3) through driving of the gear (11).

9. An energy storage container, comprising:

a case (13);

a fire protection system (14) arranged in the box body (13);

and at least one set of battery clusters according to any one of claims 1 to 8, said battery clusters being provided in said casing (13).

10. Energy storage container according to claim 9, characterized in that heat insulating flame retardant plates (15) for isolating adjacent battery fire extinguishing areas (4) are arranged between two groups of adjacent battery clusters and between adjacent cabinet bodies (1).