阅读说明：本技术 一种高能量密度且便于运输的储能系统 (Energy storage system with high energy density and convenient transportation ) 是由 吴裕凡 王海江 杜泓飞 陈宁 吴广臣 于 2021-07-28 设计创作，主要内容包括：本发明涉及一种高能量密度且便于运输的储能系统,包括至少一个电池仓和控制仓,电池仓和控制仓均为集装箱式,电池仓和控制仓可拆卸连接,电池仓内设有多个电池柜、汇流柜和消防模块,消防模块接入冷却水管及消防管,电池仓的外壁上设有一号消防用快速接口以及一号电路用快速接口,控制仓内设有储能变流器、控制柜、消防总控中心和液冷式空调,控制仓的外壁上设有二号消防用快速接口以及二号电路用快速接口。与现有技术相比,本发明中每个仓的重量都控制在了海运最大重量要求之内；在控制仓内集成所有的控制系统,既可以增加电池仓的容量,又方便维护人员操作管理；方便扩容,减少占地面积。(The invention relates to an energy storage system with high energy density and convenient transportation, which comprises at least one battery compartment and a control compartment, wherein the battery compartment and the control compartment are both in a container type, the battery compartment and the control compartment are detachably connected, a plurality of battery cabinets, confluence cabinets and fire modules are arranged in the battery compartment, the fire modules are connected with a cooling water pipe and a fire pipe, a first quick fire-fighting interface and a first quick circuit interface are arranged on the outer wall of the battery compartment, an energy storage converter, a control cabinet, a fire master control center and a liquid-cooled air conditioner are arranged in the control compartment, and a second quick fire-fighting interface and a second quick circuit interface are arranged on the outer wall of the control compartment. Compared with the prior art, the weight of each bin is controlled within the requirement of the maximum weight of the sea; all control systems are integrated in the control cabin, so that the capacity of the battery cabin can be increased, and the operation and management of maintenance personnel are facilitated; convenient dilatation, reduction area.)

1. The energy storage system with high energy density and convenience in transportation is characterized by comprising at least one battery compartment (1) and a control compartment (2), wherein the battery compartment (1) and the control compartment (2) are both in a container type, the battery compartment (1) and the control compartment (2) are detachably connected, a plurality of battery cabinets (101), a confluence cabinet (102) and a fire-fighting module are arranged in the battery compartment (1), the battery cabinets (101) and the confluence cabinet (102) are electrically connected, the fire-fighting module is connected into a cooling water pipe and a fire-fighting pipe, a first fire-fighting quick interface for the cooling water pipe and the fire-fighting pipe and a first circuit quick interface for a power cable are arranged on the outer wall of the battery compartment (1), an energy storage converter (201), a control cabinet (202), a fire-fighting general control center (204) and a liquid-cooled air conditioner (203) are arranged in the control compartment (2), the fire-fighting control system is characterized in that a second fire-fighting quick interface used for a cooling water pipe and a fire-fighting pipe and a second circuit quick interface used for a power cable are arranged on the outer wall of the control cabin (2), the fire-fighting master control center (204) is electrically connected with the fire-fighting module, the cooling water pipe and the fire-fighting pipe, and the control cabinet (202) is electrically connected with the energy storage converter (201), the liquid-cooled air conditioner (203), the battery cabinet (101) and the confluence cabinet (102).

2. A high energy density and readily transportable energy storage system according to claim 1, wherein said combiner box (102) is provided with an explosion proof isolation structure;

the plurality of battery cabinets (101) and the collecting cabinet (102) are arranged along the length direction of the battery compartment (1);

a safety channel (104) is formed in the battery compartment (1) along the length direction of the battery compartment (1).

3. A high energy density and easy transportation energy storage system according to claim 1, wherein a monitoring module and a lighting module are further provided in the battery chamber (1).

4. The energy storage system with high energy density and convenient transportation according to claim 1, characterized in that a first openable door body (103) is arranged on the side wall of the battery compartment (1).

5. A high energy density and transportable energy storage system as claimed in claim 1, wherein said battery compartment (1) is a 20 feet container, and the weight of the individual battery compartment (1) does not exceed 25 t.

6. The energy storage system with high energy density and convenient transportation according to claim 1, characterized in that a second monitoring module and a second lighting module are further arranged in the control cabin (2).

7. The energy storage system with high energy density and convenient transportation according to claim 1, wherein the side wall of the control cabin (2) is provided with a second door body (205) which can be opened and closed.

8. A high energy density and transportable energy storage system as claimed in claim 1, wherein said control pods (2) are 20 feet containers, and the weight of a single control pod (2) does not exceed 25 tons.

9. A high energy density and transportable energy storage system as claimed in claim 1, wherein the battery compartment (1) and the control compartment (2) are connected in a transverse or longitudinal manner.

10. A high energy density and transportable energy storage system as claimed in claim 9, wherein when there are a plurality of battery compartments (1), the plurality of battery compartments (1) are connected in series, and the control compartment (2) is located at the most lateral side.

Technical Field

The invention relates to the technical field of energy storage, in particular to an energy storage system which is high in energy density and convenient to transport.

Background

With the concern and support of carbon neutralization all over the world, more and more new energy projects such as wind energy, photovoltaic energy and the like are combined into a grid, however, the fluctuation of the new energy to a power grid is large, the power grid cannot be absorbed sometimes, so that wind and light are abandoned, and the burden of a power grid system is increased day by day at present.

And a large-scale energy storage system is a means for effectively solving the problems of wind abandoning and light abandoning. When the power grid can not be consumed, the energy is stored in the energy storage system, and when the power grid can be consumed, the energy in the energy storage system is supplemented into the power grid, so that the impact of new energy such as wind energy, photovoltaic and the like on the power grid is relieved, and the electric energy quality is improved.

A common energy storage system comprises two parts: 1. the direct-current end battery part mainly comprises a battery, a battery rack, a battery management system, an air conditioning system, a fire fighting system and the like. 2. The alternating current end voltage transformation part mainly comprises an energy storage converter, a transformer, a grid-connected cabinet and the like.

At present, an energy storage battery system mainly comprises 40 containers, and has the advantages of space saving and large configurable battery capacity compared with 20 containers, but for foreign projects, the 40 containers are often seriously overweight in the shipping process, batteries must be allocated or detached and then separately transported, so that the transportation cost and the installation cost are increased, and the 20 containers are low in space utilization rate and small in battery capacity and are not suitable for requirements of foreign countries and particularly developed countries.

At present, the energy storage system is mainly manufactured in China, and in order to improve the competitiveness of products and meet the requirements of foreign countries, the energy storage system which is convenient for ship transportation, meets the requirements of foreign configuration and has lower cost must be designed.

Disclosure of Invention

The invention aims to provide an energy storage system which is high in energy density and convenient to transport, so that the effects of low cost and low investment are achieved, the problem that the existing domestic energy storage container cannot well meet the requirements of foreign energy storage products in both the aspects of transport and energy density is solved, the weight of each bin is controlled within the maximum weight requirement of marine transport, and a battery module does not need to be installed on site; an air conditioner and a fire-fighting master control center are not required to be arranged in the battery compartment, and all control systems are integrated in the control compartment, so that the capacity of the battery compartment can be increased, and the operation and management of maintenance personnel can be facilitated; in addition, a plurality of battery compartments all support end to end connection to form an organic whole, make things convenient for the dilatation, reduce area.

The purpose of the invention is realized by the following technical scheme:

the energy storage system is high in energy density and convenient to transport, and comprises at least one battery compartment and a control compartment, wherein the battery compartment and the control compartment are in a container type, the battery compartment and the control compartment are detachably connected, a plurality of battery cabinets, a confluence cabinet and a fire module are arranged in the battery compartment, the battery cabinets and the confluence cabinet are electrically connected, the fire module is connected into a cooling water pipe and a fire pipe, a first quick fire-fighting interface for the cooling water pipe and the fire pipe and a first quick circuit interface for a power cable are arranged on the outer wall of the battery compartment, an energy storage converter, a control cabinet, a fire-fighting general control center and a liquid-cooled air conditioner are arranged in the control compartment, a second quick fire-fighting interface for the cooling water pipe and the fire pipe and a second quick circuit interface for the power cable are arranged on the outer wall of the control compartment, and the fire-fighting general control center and the fire module are provided with the first quick fire interfaces for the cooling water pipe and the fire pipe and the second circuit interface for the power cable, The cooling water pipe is electrically connected with the fire-fighting pipe, and the control cabinet is electrically connected with the energy storage converter, the liquid-cooled air conditioner, the battery cabinet and the confluence cabinet.

The voltage of the power cable is 380V.

The confluence cabinet is provided with an explosion-proof isolation structure.

A plurality of battery cabinets and a collection cabinet are arranged along the length direction of the battery compartment.

A safety channel along the length direction of the battery compartment is formed in the battery compartment.

And a battery rack for supporting the battery cabinet is also arranged in the battery bin.

Still be equipped with a monitoring module and a lighting module in the battery compartment.

A first door body capable of being opened and closed is arranged on the side wall of the battery bin. When the first door body is opened, a person can carry out dismounting maintenance and debugging on the equipment from the outside, and the setting position of the first door body is set according to the connection mode of the battery bin and the control bin.

The fire-fighting module adopts a pipe network type spraying mode or a distribution type spraying mode which is in one-to-one correspondence with the battery cabinets.

The battery capacity of the battery bin is 2.16MWh at most.

The battery compartment is a 20-foot container (the size is: length multiplied by width multiplied by height: 6058mm multiplied by 2438mm multiplied by 2591mm, the same below), and the weight of a single battery compartment does not exceed 25 t.

And a second monitoring module and a second lighting module are also arranged in the control bin.

The side wall of the control bin is provided with a second door body which can be opened and closed. When the second door body is opened, a person can carry out dismounting maintenance and debugging on the equipment from the outside, and the setting position of the second door body is set according to the connection mode of the battery bin and the control bin.

The control cabin is a 20-foot container, and the weight of each control cabin does not exceed 25 t.

And the battery bin and the control bin are transversely connected.

And the battery bin and the control bin are longitudinally connected.

When the battery compartment is a plurality of, a plurality of battery compartments are connected in succession, control storehouse is located the most lateral side. The quantity of battery compartment is arbitrary, can set up according to the demand, and a plurality of battery compartments form a whole with the control storehouse.

A fire-fighting module can be arranged in the control cabin to avoid fire.

The energy storage system convenient to transport provided by the invention at least has the following beneficial technical effects:

1. according to the energy storage system, each container type battery bin or container type control bin does not exceed 25 tons, and the problem that a single container is too heavy and cannot be transported abroad by sea is well solved.

2. In addition, all set up the quick interface of corresponding circuit and pipeline between every container, be convenient for the connection of on-the-spot circuit and pipeline, to a great extent has reduced the degree of difficulty of on-the-spot debugging.

3. This energy storage system adopts the liquid cooling scheme, more can control the temperature of electric core, improves the uniformity of battery, increases the life-span of system.

4. This energy storage system only sets up switch board, fire control and always controls center in the control room, has practiced thrift the shared volume of installation air conditioner in the battery compartment, has increased the space of putting of battery cabinet in the battery compartment, has increased the energy density of battery compartment battery.

5. The energy storage system container is small in installation distance, the middle pipeline and the electric wire are connected in a quick connection mode, usually 2-5 containers form a whole, and the effect of reducing the occupied area of the energy storage system is well achieved.

Drawings

FIG. 1 is a schematic structural view of a battery compartment and a control compartment in embodiment 1, which are connected in a transverse manner;

fig. 2 is a schematic structural diagram of the battery compartment and the control compartment in embodiment 2, which adopts a longitudinal connection mode.

In the figure: 1-a battery compartment; 101-a battery cabinet; 102-a combiner box; 103-door body I; 104-secure channel; 2-a control bin; 201-energy storage converter; 202-a control cabinet; 203-liquid-cooled air conditioner; 204-a fire-fighting master control center; 205-door body two.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

Example 1

As shown in fig. 1, an energy storage system with high energy density and convenient transportation comprises at least one battery compartment 1 and a control compartment 2, wherein the battery compartment 1 and the control compartment 2 are both in a container type (the container body is divided into a container bottom base, four container side walls and a container top plate to form a closed cuboid structure), and the battery compartment 1 and the control compartment 2 are detachably connected.

The battery compartment 1 is a 20-foot container (length multiplied by width multiplied by height: 6058mm multiplied by 2438mm multiplied by 2591mm), the weight of a single battery compartment 1 is not more than 25t, a plurality of battery cabinets 101, a confluence cabinet 102, a fire-fighting module, a confluence prefabricated cable, a first monitoring module, a first lighting module and a battery rack for supporting the battery cabinets are arranged in the battery compartment 1, the battery cabinets 101, the confluence cabinet 102 and the confluence prefabricated cable are electrically connected, the fire-fighting module is connected into a cooling water pipe and a fire-fighting pipe, the fire-fighting module comprises a fire-fighting mechanism, a fire-fighting prefabricated pipeline, a cooling water pipe and the like (the specific components and connection relations are set according to the existing energy storage system), the fire-fighting module adopts a pipe network type spraying mode or a distribution type spraying mode corresponding to the battery cabinets 101 one by one to one, a first fire-fighting quick interface for the cooling water pipe and the fire-fighting pipe and a first circuit quick interface for a power cable are arranged on the outer wall of the battery compartment 1, the collecting cabinet 102 is provided with an explosion-proof isolation structure, the plurality of battery cabinets 101 and the collecting cabinet 102 are arranged along the length direction of the battery compartment 1, a safety channel 104 along the length direction of the battery compartment 1 is formed in the battery compartment 1, in the embodiment, the number of the battery cabinets 101 is 22 (every two square frames are one battery cabinet), the battery cabinets are divided into two rows, 10 in one row, 12 in the other row, the collecting cabinet 102 is one, the battery cabinets are distributed in one row together with the 10 battery cabinets, the safety channel 104 is formed between the two rows of battery cabinets, a first openable door 103 is arranged on the side wall of the battery compartment 1, the total weight of the 22 battery cabinets and the total weight of the 1 collecting cabinet are about 20t, and the battery capacity of the battery compartment 1 is 2.16MWh at most.

The control cabin 2 is a 20-foot container (length multiplied by width multiplied by height: 6058mm multiplied by 2438mm multiplied by 2591mm), the weight of a single control cabin 2 is not more than 25t, an energy storage converter 201, a control cabinet 202, a fire-fighting master control center 204, a liquid-cooled air conditioner 203, a second monitoring module and a second lighting module are arranged in the control cabin 2, a second fire-fighting quick interface for a cooling water pipe and a fire-fighting pipe and a second circuit quick interface for a power cable are arranged on the outer wall of the control cabin 2, the fire-fighting master control center 204 is electrically connected with the fire-fighting module, the cooling water pipe and the fire-fighting pipe, the control cabinet 202 is electrically connected with the energy storage converter 201, the liquid-cooled air conditioner 203, the battery cabinet 101 and the collecting cabinet 102, and an openable second door body 205 is arranged on the side wall of the control cabin 2. The number of energy storage converter is 2 in this embodiment, the next-door neighbour places, energy storage converter 201, liquid cooling air conditioner 203, fire control is always controlled center 204 and is placed along the length direction in control cabinet 2 in proper order, because fire control is always controlled center 204 and switch board 202's volume is less, fire control is always controlled center 204 and switch board 202 and is placed along the width direction in control cabinet 2, at this moment, 2 energy storage converters, a liquid cooling air conditioner, one set of fire control is always controlled center and a switch board and is totally about 12t heavy.

Adopt transverse connection (the minor face of battery compartment and the minor face of control storehouse are connected) between battery compartment 1 and the control storehouse 2 in this embodiment, and the number of battery compartment 1 is 2, and 2 battery compartments connect in succession, and control storehouse 2 is located rightmost side or leftmost side (drawing 1 adopts the drawing on the right side), and at this moment, the door body 103 on the battery compartment 1 is seted up on two long edges, and the door body 205 of No. two on the control storehouse 2 is seted up on two long edges.

Example 2

As shown in fig. 2, an energy storage system with high energy density and convenient transportation comprises at least one battery compartment 1 and a control compartment 2, wherein the battery compartment 1 and the control compartment 2 are both in a container type (the container body is divided into a container bottom base, four container side walls and a container top plate to form a closed cuboid structure), and the battery compartment 1 and the control compartment 2 are detachably connected.

The battery compartment 1 is a 20-foot container (length multiplied by width multiplied by height: 6058mm multiplied by 2438mm multiplied by 2591mm), the weight of a single battery compartment 1 is not more than 25t, a plurality of battery cabinets 101, a confluence cabinet 102, a fire-fighting module, a confluence prefabricated cable, a first monitoring module, a first lighting module and a battery rack for supporting the battery cabinets are arranged in the battery compartment 1, the battery cabinets 101, the confluence cabinet 102 and the confluence prefabricated cable are electrically connected, the fire-fighting module is connected into a cooling water pipe and a fire-fighting pipe, the fire-fighting module comprises a fire-fighting mechanism, a fire-fighting prefabricated pipeline, a cooling water pipe and the like (the specific components and connection relations are set according to the existing energy storage system), the fire-fighting module adopts a pipe network type spraying mode or a distribution type spraying mode corresponding to the battery cabinets 101 one by one to one, a first fire-fighting quick interface for the cooling water pipe and the fire-fighting pipe and a first circuit quick interface for a power cable are arranged on the outer wall of the battery compartment 1, the collecting cabinet 102 is provided with an explosion-proof isolation structure, the plurality of battery cabinets 101 and the collecting cabinet 102 are arranged along the length direction of the battery compartment 1, a safety channel 104 along the length direction of the battery compartment 1 is formed in the battery compartment 1, in the embodiment, the number of the battery cabinets 101 is 22 (every two square frames are one battery cabinet), the battery cabinets are divided into two rows, 10 in one row, 12 in the other row, the collecting cabinet 102 is one, the battery cabinets are distributed in one row together with the 10 battery cabinets, the safety channel 104 is formed between the two rows of battery cabinets, a first openable door 103 is arranged on the side wall of the battery compartment 1, the total weight of the 22 battery cabinets and the total weight of the 1 collecting cabinet are about 20t, and the battery capacity of the battery compartment 1 is 2.16MWh at most.

The control cabin 2 is a 20-foot container (length multiplied by width multiplied by height: 6058mm multiplied by 2438mm multiplied by 2591mm), the weight of a single control cabin 2 is not more than 25t, an energy storage converter 201, a control cabinet 202, a fire-fighting master control center 204, a liquid-cooled air conditioner 203, a second monitoring module and a second lighting module are arranged in the control cabin 2, a second fire-fighting quick interface for a cooling water pipe and a fire-fighting pipe and a second circuit quick interface for a power cable are arranged on the outer wall of the control cabin 2, the fire-fighting master control center 204 is electrically connected with the fire-fighting module, the cooling water pipe and the fire-fighting pipe, the control cabinet 202 is electrically connected with the energy storage converter 201, the liquid-cooled air conditioner 203, the battery cabinet 101 and the collecting cabinet 102, and an openable second door body 205 is arranged on the side wall of the control cabin 2. The number of energy storage converter is 2 in this embodiment, the next-door neighbour places, energy storage converter 201, liquid cooling air conditioner 203, fire control is always controlled center 204 and is placed along the length direction in control cabinet 2 in proper order, because fire control is always controlled center 204 and switch board 202's volume is less, fire control is always controlled center 204 and switch board 202 and is placed along the width direction in control cabinet 1, at this moment, 2 energy storage converters, a liquid cooling air conditioner, one set of fire control is always controlled center and a switch board and is totally about 12t heavy.

Adopt longitudinal tie between battery compartment 1 and the control cabin 2 in this embodiment (being the long limit of battery compartment and the long limit of control cabin connect promptly), the number of battery compartment 1 is 2, 2 battery compartments connect in succession, control cabin 2 is located the below or the top (drawing 2 adoption in the below), and at this moment, the door body 103 on the battery compartment 1 is seted up on two weak sides, and the door body 205 of No. two on the control cabin 2 is seted up on a long edge that is not connected with the battery compartment.

The structural composition of the components, the connection relationship with other components, and the like, which are not described in detail in the present embodiment, are set with reference to an existing energy storage system.

The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.