CN217788626U - Modular energy storage equipment of can making up formula - Google Patents

Abstract

The utility model relates to a can make up formula modularization energy storage equipment, include a plurality of containers of arranging along the first direction, wherein: at least one group of interface components which are detachably connected with two adjacent containers are formed on the opposite side walls of the two adjacent containers, and each group of interface components is provided with a hollow cavity and is communicated with the two adjacent containers; at least one of the containers is a first container provided with at least one battery pack, at least one of the containers is a second container provided with at least one PCS, and at least one of the containers is a third container provided with an EMS, the first container, the second container and the third container are sequentially arranged along a first direction, and the battery pack, the PCS and the EMS are connected through cables penetrating through the hollow cavity; the combination and connection of a plurality of containers are realized, and the management and production cost is reduced; when a battery pack is in fire, the fire protection design of the container body controls the fire within the range of one container, and the interface assembly is detached to separate adjacent containers, so that the accident influence surface and the asset loss are reduced.

Description

Modular energy storage device

Technical Field

The utility model relates to an energy storage technology field especially relates to a can make up formula modularization energy storage equipment.

Background

At present, with the increasing installation scale of new energy resources such as photovoltaic power generation and wind power generation, the demand for power energy storage is also increasing, and the construction of energy storage projects is also increasing. Because the electrochemical energy storage has the characteristics of no geographic condition limit, convenient installation, high response speed and the like, the electrochemical energy storage is more and more applied to a power generation side, a power grid side and a user side.

The electrochemical energy storage device comprises a lithium iron phosphate battery, a ternary lithium battery, a lead-acid battery and the like, and is integrated and installed in a prefabricated cabin mode. The existing electrochemical prefabricated cabin energy storage system generally takes a container as a design and integration object, and the control and management level of the electrochemical prefabricated cabin energy storage system takes the container as granularity. The electrochemical prefabricated cabin energy storage system mainly comprises an energy storage battery, a Power Conversion System (PCS), a fire protection system, a Battery Management System (BMS) and the like. However, due to the limitation of specific project capacity, the size of the container is large or small, and in the actual integration process of the electrochemical prefabricated cabin energy storage system, the types and specifications are various, the difference between the internal size, the capacity and the configuration is large, the difficulty in production and management is high, and the management and the cost are increased. And when the capacity of the electrochemical prefabricated cabin energy storage system is large, a fire accident happens to one battery, the loss of the whole system is brought, and the accident influence area is large.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a modular energy storage device that can be assembled to solve the problems of increased production and management costs, overall impact and large loss when a battery is in fire.

The utility model provides a can make up formula modularization energy storage equipment, include a plurality of containers of arranging along the first direction, wherein:

at least one group of interface assemblies which are detachably connected with two adjacent container opposite side walls are formed on the two adjacent container opposite side walls, each group of interface assemblies is provided with a hollow cavity and is communicated with two adjacent containers;

at least one among the plurality of containers is for being equipped with the first container of at least one battery package, at least one is for being equipped with the second container of at least one PCS, a third container for being equipped with an EMS, first container the second container reaches the third container is followed in proper order first direction arranges, the battery package PCS reaches the EMS is through running through the cable of cavity is connected.

In the above-mentioned combinable modular energy storage device, the device with the battery pack, the PCS and the EMS is modularly designed to respectively form the first container, the second container and the third container, the first container, the second container and the third container are arranged along the first direction to realize the combination of a plurality of containers, the battery pack, the PCS and the EMS are connected through cables penetrating through the hollow cavity to realize the electric connection and the communication connection of the plurality of containers, so that various capacity specifications are met, the combinable modular energy storage device is suitable for different application scenes, and the containers are used as granularity for control and management, thereby reducing the management and production cost. When a fire accident happens to one battery pack, the fire can be controlled within the range of the container of the fire accident through the fireproof design of the container body, and the first container with the battery pack is separated from the adjacent container by disassembling the interface assembly, so that the influence surface of the fire accident and the asset loss caused by the fire accident are reduced.

In one embodiment, the interface assembly comprises two connectors, the connectors are hollow and are inserted and fixed in through holes of the side walls of the container, the two connectors are detachably connected into a whole, and the hollow cavities are formed in the connectors.

In one embodiment, the two connectors are connected in a plug-in manner and are connected into a whole in a snap-fit manner.

In one embodiment, the number of the first containers is multiple, the number of the second containers is one, and the multiple first containers are sequentially arranged on one side of the second container along the first direction.

In one embodiment, the number of the first containers is two, and the plurality of the first containers are sequentially arranged on two sides of the third container along the first direction.

In one embodiment, the number of the battery packs is multiple, and the battery packs are arranged in multiple rows along a second direction, and the second direction is respectively perpendicular to the first direction and the vertical direction; the number of the rows of the interface components on the side wall of the container is the same as that of the rows of the battery packs.

In one embodiment, at least one of the two side walls of the container adjacent to the side wall where the interface module is located is provided with a maintenance door.

In one embodiment, the battery pack is arranged on a battery rack, the battery rack extends along the first direction, and a ventilation gap with the distance of 80mm-100mm is arranged between the battery rack and the adjacent maintenance door.

In one embodiment, an air conditioning and ventilation module is arranged in the first container, and the air conditioning and ventilation module is communicated with the ventilation gap and the outer side of the first container and used for discharging heat in the first container.

In one embodiment, a fire fighting module is disposed within the first container.

Drawings

Fig. 1 is a top view of a modular energy storage apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic connection diagram of the modular energy storage apparatus shown in FIG. 1;

fig. 3 is a top view of a modular energy storage device according to another embodiment of the present invention;

FIG. 4 is a schematic connection diagram of the modular energy storage apparatus shown in FIG. 3;

fig. 5 is a top view of a module composed of the first container, the battery rack and the fire-fighting module according to an embodiment of the present invention;

fig. 6 is a top view of a second container in accordance with an embodiment of the present invention;

fig. 7 is a top view of a third container in accordance with an embodiment of the present invention;

fig. 8 is a sectional view of a combinable modular energy storage device according to an embodiment of the present invention.

Reference numerals:

10. modular energy storage devices may be combined; x, a first direction; y, a second direction; z, vertical direction; a. A ventilation gap;

100. a container; 110. an interface component; 111. a joint; 120. a first container; 121. a battery pack; 130. a second container; 131. PCS; 140. a third container; 141. EMS; 142. a server; 143. A display; 150. repairing the door; 101. a box body;

200. a cable; 210. a direct current cable; 220. a communication cable;

300. a battery holder;

400. an air conditioning ventilation module; 410. an indoor unit; 420. an outdoor unit;

500. fire control fire extinguishing module.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical solution provided by the embodiments of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a combinable modular energy storage device 10 for realizing electrochemical energy storage. The modular energy storage apparatus 10 may include a plurality of containers 100, the number of containers 100 may be three, four, five, six, or more than six, and the size of the containers 100 may be a specified size, such as a standard size of 10 feet, to facilitate product standardization and mass production. The containers 100 are arranged in a first direction X. Wherein:

each container 100 comprises a container body 101, at least one set of interface components 110 is formed on the opposite side walls of the container body 101 of two adjacent containers 100, the number of the interface components 110 can be one, two, three or more, the interface components 110 are used for connecting two adjacent containers 100, and the interface components 110 can be separated to enable two adjacent containers 100 to have two states of connection and disconnection. Each set of interface modules 110 has a hollow cavity and communicates with two adjacent containers 100 when the interface modules 110 connect the two adjacent containers 100. In a particular arrangement, the hollow cavity can facilitate routing of cables 200 between different containers 100.

The plurality of containers 100 includes at least one first container 120, at least one second container 130, and a third container 140. The number of the first containers 120 may be one, two, three, four, or more than four, at least one battery pack 121 is arranged inside each first container 120, the number of the battery packs 121 may be one, two, ten, twenty, or more than twenty, and the battery packs 121 may be any one of lithium iron phosphate batteries, ternary lithium batteries, and lead-acid batteries. The number of the second containers 130 may be one or two, at least one PCS131 is disposed inside each second container 130, and the number of the PCS131 may be one, two, three, four, or more than four. An EMS141 is provided inside the third container 140. The first container 120, the second container 130, and the third container 140 are sequentially arranged along the first direction X, and the battery packs 121, the PCS131, and the EMS141 are connected by a cable 200 penetrating through the hollow cavity. In specific setting, the PCS131 can adopt different specification models as required to adapt to different power requirements; the battery packs 121 are connected in series to form a battery cluster, the battery cluster is connected to a dc bus bar at a dc side of the PCS131 of the second container 130 through a dc cable 210 in the cable 200, the EMS141 is connected to a BMS (battery management system) of the battery pack 121 and the PCS131 of the second container 130 through a communication cable 220 in the cable 200 in a communication manner to form a complete combinable modular energy storage device 10 capable of realizing charging and discharging functions, and a server 142 and a display 143 are disposed in the third container 140 to collect relevant data and monitor and manage the whole combinable modular energy storage device 10.

In the above-mentioned combinable modular energy storage device 10, the devices having the battery packs 121, PCS131, and EMS141 are modularly designed to respectively constitute the first container 120, the second container 130, and the third container 140, and the first container 120, the second container 130, and the third container 140 are arranged along the first direction X to implement combination of a plurality of containers 100, and the battery packs 121, PCS131, and EMS141 are connected by the cables 200 penetrating through the hollow cavities to implement electrical connection and communication connection of the plurality of containers 100, so as to satisfy various capacity specifications, and be applicable to different application scenarios, and control and management are performed with the containers 100 as granularity, thereby reducing management and production costs. And in case of a fire accident of one battery pack 121, the fire is controlled within the one container 100 of the fire accident by the fireproof design of the body 101 of the container 100, and the first container 120 having the battery pack 121 can be separated from the adjacent container 100 by detaching the interface assembly 110. The influence surface of the fire accident and the asset loss caused by the fire accident are reduced.

The interface assembly 110 has various structural forms, in a preferred embodiment, with continuing reference to fig. 5, 6 and 7, the interface assembly 110 includes two connectors 111, the connectors 111 are hollow inside, the connectors 111 are inserted into the through holes of the side walls of the container 100, and the connectors 111 and the through holes of the side walls of the container 100 are fixed into a whole by means of screwing, male-female fitting, welding, bonding, etc., or the connectors 111 and the side walls of the container 100 are integrally formed, and the connectors 111 are arranged around the outer sides of the through holes of the side walls of the container 100. The two joints 111 are connected into a whole, and the two joints 111 can be detached, and a hollow cavity is formed inside the two joints 111 when the two joints are connected into a whole.

In the above modular energy storage device 10, the two connectors 111 are detachably connected, so that the interface assembly 110 can be conveniently connected and detached, and then the two adjacent containers 100 can be conveniently and quickly assembled and disassembled, and the battery pack 121 in any one of the first containers 120 can be timely separated from other containers 100 when a fire accident occurs, thereby avoiding the spread of fire. In a specific arrangement, the structure of the interface assembly 110 is not limited to the two detachably connected joints 111, but may be other structures that can meet the requirement, for example, one joint 111 and one through hole disposed on the side wall of the container 100.

To facilitate the connection of the interface assembly 110, in particular, the two connectors 111 are plug-connected, and the two connectors 111 are snap-connected as one body. In a specific arrangement, the outer diameter of one of the connectors 111 is slightly smaller than the inner diameter of the other connector 111, so that the two connectors 111 can be plugged together.

In the above modular energy storage device 10, the two connectors 111 are limited to be inserted and connected in a snap-fit manner, so that the interface assembly 110 can be connected and detached conveniently and quickly. In a specific setting, the connection mode of the interface module 110 is not limited to the above-mentioned plugging and snapping connection, but may be other modes that can meet the requirement, for example, the two connectors 111 may be engaged in a concave-convex manner.

There are various combinations of the containers 100, and in a preferred embodiment, as shown in fig. 1 and 2, the number of the first containers 120 is plural, for example, two, three, four, or more than four. The number of the second containers 130 is one, and the plurality of first containers 120 are sequentially disposed at one side of the second containers 130 in the first direction X.

In the above combinable modular energy storage device 10, the plurality of first containers 120, the second container 130, and the third container 140 are sequentially arranged along the first direction X, so that all the battery packs 121 are located at one side of the second container 130 and the third container 140, the battery packs 121 in one first container 120 are connected in series to form a battery cluster and then are respectively connected and led out through the dc cables 210, the plurality of dc cables 210 are collected in the second container 130 and are sequentially connected with the dc busbars 131 on the dc side in the second container 130, so as to achieve electrical connection between the battery packs 121 and the PCS131, and the BMS of the battery packs 121 and the communication cables 220 led out from the PCS131 of the second container 130 are collected in the third container 140 and are sequentially connected with the EMS141 in the third container 140, so as to achieve communication connection between the battery packs 121, 131, and the EMS141.

There are various combinations of the containers 100, and in a preferred embodiment, as shown in fig. 3 and 4, the number of the first containers 120 is plural, for example, two, three, four, or more than four. The number of the second containers 130 is two, and the plurality of first containers 120 are sequentially disposed at both sides of the third container 140 in the first direction X. In a specific arrangement, a part of the plurality of first containers 120, the second containers 130, and the third containers 140 are sequentially arranged along the first direction X, and another part of the third containers 140, the second containers 130, and the plurality of first containers 120 is sequentially arranged along the first direction X.

In the above-described combinable modular energy storage apparatus 10, by defining a plurality of first containers 120 to be sequentially disposed at both sides of the third container 140 in the first direction X, both side walls of the third container 140 in the first direction X can be sufficiently utilized, so that more containers 100 can be arranged. In the specific arrangement, the combination of the containers 100 is not limited to the above two types, and may be freely combined according to the working scene and the capacity specification.

In order to facilitate the arrangement of the battery packs 121, in a preferred embodiment, as shown in fig. 8, the number of the battery packs 121 is plural, for example, one, two, ten, twenty, or more than twenty. The battery packs 121 are arranged in a plurality of rows along a second direction Y, and the second direction Y is perpendicular to the first direction X and the vertical direction Z, respectively. The number of rows of the battery packs 121 may be two, three or more, and the number of rows of the interface assemblies 110 on the side wall of the container 100 is the same as that of the battery packs 121.

In the above-mentioned combinable modular energy storage device 10, by defining the battery packs 121 to be arranged in a plurality of rows and defining the same number of rows of the interface assemblies 110 and the battery packs 121 on the side walls of the container 100, so that the battery packs 121 in each row are connected in series to form a battery cluster and then connected and led out through the dc cables 210, respectively, the communication cables 220 led out from the BMS of the battery packs 121 and the PCS131 of the second container 130 are collected into the third container 140 and connected in sequence with the EMS141 in the third container 140, thereby facilitating electrical connection and communication connection.

In order to facilitate maintenance, in a preferred embodiment, as shown in fig. 1, 3, 5, 6 and 7, at least one of the two sidewalls of the container 100 adjacent to the sidewall where the interface assembly 110 is located is provided with a maintenance door 150. In a specific arrangement, a maintenance door 150 is disposed on one of two sidewalls of the container 100 along the second direction Y, or the maintenance doors 150 are disposed on two sidewalls of the container 100 along the second direction Y, the maintenance doors 150 may be single-opening doors, and the maintenance doors 150 may also be double-opening doors.

In the modular energy storage device 10, by providing the service door 150, an operator can operate and maintain the devices in the container 100 without entering the container 100, and the operation and maintenance are convenient and fast. In a specific arrangement, the structure for facilitating maintenance is not limited to the maintenance door 150, but may be other structure that can meet the requirement, such as a maintenance window.

In order to facilitate heat dissipation, specifically, the battery pack 121 is disposed on the battery holder 300, as shown in fig. 5 and 8, the battery holder 300 extends along the first direction X, and a ventilation gap a with a distance of 80mm to 100mm is provided between the battery holder 300 and the adjacent service door 150. In a specific arrangement, the battery holder 300 may have a partition structure, and the battery pack 121 is disposed on the partition; the spacing between the battery rack 300 and the adjacent service door 150 may be 80mm, 85mm, 90mm, 95mm, 100mm.

In the above-mentioned combinable modular energy storage device 10, the arrangement of the battery pack 121 is defined so as to facilitate the integrated assembly, maintenance and removal of the battery pack 121, and also facilitate the arrangement of the subsequent cables 200. By limiting the distance between the battery rack 300 and the adjacent service door 150, the ventilation and heat dissipation of the battery pack 121 are facilitated, and the subsequent operation and maintenance of the battery pack 121 can be facilitated.

In order to further improve the ventilation and heat dissipation effects, more specifically, as shown in fig. 8, an air conditioning and ventilation module 400 is provided in the first container 120, the air conditioning and ventilation module 400 communicates the ventilation gap a with the outside of the first container 120, and the air conditioning and ventilation module 400 is used to discharge heat in the first container 120. In a specific configuration, the air conditioning and ventilating module 400 may be an air conditioner, one air conditioner is disposed in each first container 120, an indoor unit 410 of the air conditioner is disposed on the top of the first container 120, a ventilation gap a is an air supply space of the air conditioner, air conditioning cold air is sucked from the battery pack 121 through the ventilation gap a at a wind speed of the battery pack 121 itself, an intermediate space between the battery racks 300 is cooled and radiated from the battery pack 121, return air is sucked in the intermediate space, the indoor unit 410 is connected to the outdoor unit 420 through a refrigerant pipe, and heat is discharged from the outdoor unit 420 to the outside of the first container 120.

In order to protect the modular energy storage apparatus 10, in a preferred embodiment, as shown in fig. 1 and 5, a fire suppression module 500 is disposed within the first container 120. When specifically setting up, fire prevention module 500 can be for suspension type heptafluoropropane fire extinguishing box or visit firetube extinguishing device, and fire prevention module 500 can only set up in first container 120 to when battery package 121 conflagration breaing out, operating personnel operates fire prevention module 500 and in time stamps out the ignition, reduces the damage, can also all set up a fire prevention module 500 in each container 100, so that operating personnel in time handles the conflagration hidden danger in arbitrary container 100.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A combinable modular energy storage device comprising a plurality of containers arranged in a first direction, wherein:

at least one group of interface components which are detachably connected with the two opposite side walls of the two adjacent containers are formed on the opposite side walls of the two adjacent containers, and each group of interface components is provided with a hollow cavity and is communicated with the two adjacent containers;

at least one among the plurality of containers is for being equipped with the first container of at least one battery package, at least one is for being equipped with the second container of at least one PCS, a third container for being equipped with an EMS, first container the second container reaches the third container is followed in proper order first direction arranges, the battery package PCS reaches the EMS is through running through the cable of cavity is connected.

2. The modular energy storage device of claim 1, wherein the interface assembly comprises two connectors, the connectors are hollow and are inserted into and fixed to the through holes of the side walls of the container, the two connectors are detachably connected into a whole, and the hollow cavity is formed inside the two connectors.

3. The combinable modular energy storage device of claim 2 wherein the two connectors are plug connected and snap connected together.

4. The combinable modular energy storage device of claim 1 wherein the number of the first containers is one and the number of the second containers is plural, and the plural first containers are sequentially disposed on one side of the second container along the first direction.

5. The combinable modular energy storage device of claim 1 wherein the number of the first containers is a plurality, the number of the second containers is two, and the plurality of first containers are disposed in sequence on opposite sides of the third container along the first direction.

6. The combinable modular energy storage device of claim 1, wherein the number of the battery packs is plural and the battery packs are arranged in a plurality of rows along a second direction, and the second direction is perpendicular to the first direction and the vertical direction; the interface components on the side wall of the container are the same as the rows of the battery packs.

7. The combinable modular energy storage device of claim 1, wherein at least one of the two sidewalls of the container adjacent to the sidewall of the interface assembly defines a service door.

8. The combinable modular energy storage device of claim 7 wherein the battery pack is disposed on a battery rack extending in the first direction and having a vent gap of 80mm to 100mm from an adjacent service door.

9. The combinable modular energy storage device of claim 8 wherein an air conditioning ventilation module is disposed within the first container, the air conditioning ventilation module communicating the ventilation gap with an exterior side of the first container for removing heat from within the first container.

10. The combinable modular energy storage apparatus of claim 1 wherein a fire fighting module is disposed within the first container.

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