CN113152503A - Integrated energy storage system - Google Patents
Integrated energy storage system Download PDFInfo
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- CN113152503A CN113152503A CN202110598676.5A CN202110598676A CN113152503A CN 113152503 A CN113152503 A CN 113152503A CN 202110598676 A CN202110598676 A CN 202110598676A CN 113152503 A CN113152503 A CN 113152503A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 72
- 239000004567 concrete Substances 0.000 claims abstract description 59
- 238000009423 ventilation Methods 0.000 claims description 25
- 238000004378 air conditioning Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 10
- 239000011150 reinforced concrete Substances 0.000 abstract description 8
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 230000010354 integration Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0487—Tubings, i.e. having a closed section with a non-circular cross-section
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
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Abstract
The invention provides an integrated energy storage system, which comprises: supporting a foundation; a concrete bottom plate supported on the foundation support; the main body structure frame is arranged on the concrete bottom plate and is connected with the foundation support; and the precast slab is arranged on the main body and the structural frame, and the precast slab and the concrete bottom plate enclose an indoor space. Compared with the concrete building in the prior art, one part of the building can be constructed by reinforced concrete as a foundation support, and the rest can be prefabricated in a factory, so that the construction period is shortened, and the problem of long construction period of the existing concrete type energy storage cabin is solved. Compare in container formula energy storage cabin, through split type concrete bottom plate, major structure frame to and the prefabricated plate, can reserve out suitable door and window and the pore of new trend structure as required on the cabin body of final shaping, adopt suitable insulation material as required, thereby solve current container formula energy storage cabin space restricted, the heat-proof quality is poor, the problem that the energy consumption is high during operation.
Description
Technical Field
The invention relates to the technical field of integrated energy storage devices, in particular to an integrated energy storage system.
Background
In application occasions such as firepower, wind energy, solar power stations or districts, schools, scientific research institutions, factories, large-scale load centers and the like, the integrated energy storage device is an indispensable component. The integrated energy storage device comprises an energy storage chamber, and a battery cluster, a fire fighting system, a temperature control system, a battery management system and the like are integrated in the energy storage chamber.
The existing energy storage devices have a container type arrangement, or a reinforced concrete conventional structure. The container formula scheme is that the inner space of the container is utilized to form an energy storage chamber, then structures such as a battery cluster are arranged inside the container, but because the inner space of the container is relatively closed, the air is relatively poor when the inner structure of the energy storage device operates, the heat insulation performance of an outer protection structure is poor, and natural ventilation is avoided, so that the problem that the operation energy consumption is higher and higher is caused, and the potential safety hazard is easily caused.
Although the conventional structure of the reinforced concrete can build an energy storage chamber which is more air-permeable than a container, the pouring of the concrete usually needs to arrange reinforcing steel bars as a foundation, and the reinforcing steel bars need to depend on a foundation structure, so that the arrangement of a reinforcing steel bar framework needs to consume a certain time, and the concrete needs to be maintained for a long time, so that the construction period is longer.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of temperature difference preservation, limited indoor space, insufficient flexibility and long construction period of a reinforced concrete type energy storage device in the prior art of container type energy storage devices, and provides an integrated energy storage system.
An integrated energy storage system, comprising: supporting a foundation; a concrete bottom plate supported on the foundation support; the main body structure frame is arranged on the concrete bottom plate and is connected with the foundation support; and the heat-insulation precast slab is arranged on the main body and the structural frame, and the heat-insulation precast slab and the concrete bottom plate enclose an indoor space.
According to the integrated energy storage system provided by the invention, the distance M between the concrete bottom plate and the ground is 400-800 mm.
The invention provides an integrated energy storage system, which further comprises: the cable bridge is arranged below the concrete bottom plate, and the end of the cable bridge extends to the cable shaft in the ground direction with a certain radian.
According to the integrated energy storage system provided by the invention, the cable on the cable bridge directly drops to the ground through the bridge at the tail end and is changed into a cable to be directly buried, and the depth of the cable extending into the ground is 800-1200 mm.
The invention provides an integrated energy storage system, which further comprises: a plurality of battery clusters, the battery clusters comprising: a battery holder; the battery rack is arranged in the indoor space, supported on the concrete bottom plate and provided with a plurality of battery modules; the air-conditioning ventilation space is arranged at the bottom of the battery rack; and the axial flow fan is arranged at the top of the integrated energy storage system.
The invention provides an integrated energy storage system, which further comprises: an air conditioner disposed in the indoor space, the air conditioner being supported on the concrete floor; the air supply outlet is arranged on the air conditioner; and one end of the air supply pipe is connected with the air supply outlet, the other end of the air supply pipe extends into the ventilation space, and a plurality of openings are formed in the air supply pipe.
According to the integrated energy storage system provided by the invention, the battery clusters are distributed along the long edge of the indoor space, a plurality of battery clusters form a battery cluster group, and the air conditioner is at least arranged at two ends of the battery cluster group or in the middle of the battery cluster group.
According to the integrated energy storage system provided by the invention, the air supply outlet is positioned at the bottom of the air conditioner and is arranged close to the opening of the ventilation space.
The invention provides an integrated energy storage system, which further comprises: the room air inlet is arranged on the concrete bottom plate near the battery cluster and is provided with a plurality of openings according to the ventilation requirement; and the room air outlet is arranged at the top of the integrated energy storage system.
The integrated energy storage system provided by the invention is characterized in that an air outlet of a room is provided with: and the axial flow fan is arranged at the top of the integrated energy storage system.
The technical scheme of the invention has the following advantages:
1. the invention provides an integrated energy storage system, which comprises: supporting a foundation; a concrete bottom plate supported on the foundation support; the main body structure frame is arranged on the concrete bottom plate and is connected with the foundation support; and the heat-insulation precast slab is arranged on the main body and the structural frame, and the heat-insulation precast slab and the concrete bottom plate enclose an indoor space.
Compared with the concrete building in the prior art, one part of the concrete building can be constructed by reinforced concrete such as the foundation support and the bottom plate, and the rest can be prefabricated in a factory, so that the construction period is shortened, and the problem of long construction period of the existing concrete type energy storage cabin is solved. Compare in container formula energy storage cabin, through split type concrete bottom plate, major structure frame to and the design and the customization of heat preservation prefabricated plate, can install insulation material and reserve the pore of suitable door and window and new trend structure according to the demand in final fashioned building, thereby solve current container formula energy storage cabin thermal insulation performance poor, the indoor space is limited, not to the problem of outside air exchange etc..
2. According to the integrated energy storage system provided by the invention, the distance M between the concrete bottom plate and the ground is 400-800 mm, and the distance M can be adjusted at will according to project requirements.
A certain distance is reserved between the concrete bottom plate and the ground, and the ventilation quantity below the concrete bottom plate can be increased.
3. The invention provides an integrated energy storage system, which further comprises: the cable bridge is arranged below the concrete bottom plate and extends towards the ground direction.
A certain distance is reserved between the concrete bottom plate and the bottom surface, the concrete bottom plate is just used for arranging a cable bridge, and the cable bridge can improve the heat dissipation capacity of the cable bridge at the ventilation position.
4. The invention provides an integrated energy storage system, which further comprises: a plurality of battery clusters, the battery clusters comprising: a battery holder; the battery rack is arranged in the indoor space, supported on the concrete bottom plate and provided with a plurality of battery modules; the ventilation space is arranged at the bottom of the battery rack; and the axial flow fan is arranged at the top of the battery frame.
The battery cluster is energy storage system's important constitution part, and the battery module of battery cluster can rise at the in-process temperature, and the temperature rise can influence the whole working property of battery cluster, sets up ventilation space below the battery frame in this scheme, sets up axial fan at the building top, can form by the air current that battery cluster bottom to top direction flow, and the heat that the battery module during operation produced is taken away in the flow of air current, and the heat dissipation of help battery cluster. On the other hand, when the temperature of the battery cluster rises, the temperature of the air around the battery module is increased, the density is reduced, and the hot airflow naturally rises, so that the airflow flowing from the bottom to the top of the battery cluster is consistent with the original flow direction of the hot airflow, the rise of the hot airflow can be further promoted, and the heat dissipation performance of the battery cluster is further improved.
The air conditioner is started and stopped and the axial flow fan is started and stopped according to the following modes:
and (3) an air conditioner refrigeration mode: when the outdoor dry bulb temperature (Tw) is more than or equal to 16 ℃ (adjustable according to project geographical position), an air conditioner refrigeration mode is started to maintain the temperature requirement between indoor batteries, an air inlet valve is closed, and an exhaust fan is closed. At this time, the flow direction of the wind is the wind channel which goes out from the air outlet of the air conditioner and enters the bottom of the bracket.
A natural cooling mode: when the outdoor dry bulb temperature (Tw) is less than 15 ℃ (adjustable according to project geographical position), the natural cooling mode is operated, meanwhile, an electric valve and an axial flow fan of a natural air inlet are started, the air conditioning unit is internally circulated, and a compressor is not started;
when the indoor dry bulb temperature (Tn) < 15 ℃ (adjustable according to project geographical location), the natural cooling mode is turned off. And when the indoor dry bulb temperature (Tn) is higher than 25 ℃ (adjustable), starting an air conditioner for refrigeration, and closing a natural cooling mode.
5. The invention provides an integrated energy storage system, which further comprises: an air conditioner disposed in the indoor space, the air conditioner being supported on the concrete floor; the air supply outlet is arranged on the air conditioner; and one end of the air supply pipe is connected with the air supply outlet, the other end of the air supply pipe extends into the ventilation space, and a plurality of openings are formed in the air supply pipe.
The air conditioner can be through blast pipe air current of inputing to the battery cluster in the ventilation space, and the air conditioner can further improve the flow and the velocity of flow of air current on the one hand, and the temperature of air supply can be adjusted to the on the other hand air conditioner to further strengthen the radiating efficiency of battery cluster.
6. The invention provides an integrated energy storage system, which further comprises: the room air inlet is formed in the side wall of the corresponding long side of the indoor space and is close to the concrete bottom plate; and the room air outlet is arranged above the indoor space.
Outdoor air can enter the indoor space through the air inlet of the room and then is reserved from the air outlet of the room, so that redundant heat in the room is taken away. Because the outdoor temperature fluctuates along with the influence of weather and seasons, when the external temperature is relatively low, the indoor air conditioner is not started, and the battery cluster can be cooled and radiated only through the circulation of entering and discharging of external air flow.
7. The integrated energy storage system provided by the invention is characterized in that an air outlet of a room is provided with: and the room exhaust fan is arranged above the axial flow fan.
The axial flow fan is used for promoting the air flow with relatively high temperature in the battery cluster to rise, and the room exhaust fan can guide the air flow rising by the axial flow fan to discharge when exhausting, so that the air with relatively high temperature is rapidly discharged out of the indoor space, and the heat dissipation efficiency of the battery cluster is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram illustrating an integrated energy storage system building structure;
FIG. 2 is a top view of the integrated energy storage system of FIG. 1;
FIG. 3 is a schematic view of the assembly between the air conditioner, the air supply duct and the battery cluster;
FIG. 4 is a schematic view of a cable tray;
FIG. 5 is a schematic view of the assembly of an axial flow fan at the top of a room;
fig. 6 is a schematic diagram of the structure of the air inlet position of the room.
Description of reference numerals:
1. a concrete floor; 11. supporting a foundation; 2. a cable bridge; 3. a main body structure frame; 31. air inlets of rooms; 33. louver blades; 34. an indoor space; 35. a top surface of the room; 4. an air conditioner; 42. an air supply pipe; 5. a battery cluster; 51. a battery holder; 53. an axial flow fan; 6. an electrically operated folio valve; 7. a decorative part; 8. an insect-proof net; 9. a check valve; 10. rain-proof cover.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 "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 invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides an integrated energy storage system, as shown in fig. 1 to 6, including: a base support 11; the concrete bottom plate 1 is supported on the foundation support 11; the main body structure frame 3 is arranged on the concrete bottom plate 1 and is connected with the foundation support 11; and the precast slab is arranged on the main body and the structural frame, and the precast slab and the concrete bottom plate 1 enclose an indoor space 34. Compared with the concrete building in the prior art, one part of the building can be constructed by reinforced concrete such as the foundation support 11, and the rest can be prefabricated in a factory, so that the construction period is shortened, and the problem of long construction period of the existing concrete type energy storage cabin is solved. Compare in container formula energy storage cabin, through split type concrete bottom plate 1, major structure frame 3 to and the prefabricated plate, can reserve the pore of suitable door and window and new trend structure according to the demand on final fashioned building, thereby solve the poor problem of current container formula energy storage cabin heat dispersion.
Wherein the foundation support 11 is constructed of reinforced concrete. The concrete floor 1 may be prefabricated in an external factory, installed on site, or may be a reinforced concrete structure integrally constructed with the foundation support 11. The foundation support 11 is a bearing foundation of the integral energy storage cabin. In this embodiment, the main structure frame 3 is made of light steel and used for constructing a foundation framework of the whole building, the main structure frame 3 is connected with the anchor bolts embedded in the foundation support 11, and the plane size and the height of the indoor space 34 can be adjusted according to the specific conditions of different engineering projects while the operation of the electrical equipment is met, so that the integration of more kinds of equipment is flexibly applicable. Since the main structure frame 3 is prefabricated, it can be constructed simultaneously with the construction of the foundation support 11, thereby greatly improving the efficiency of construction.
Furthermore, prefabricated panels are laid on the main structure frame 3 to construct the wall and the roof of the energy storage cabin, so as to enclose an indoor space 34. The structure of the prefabricated panels is not particularly limited, and on the basis of the above embodiments, as further limited embodiments, the prefabricated panels are made of materials such as fiber cement panels, cement sandwich panels, color steel sandwich panels, and the like. The wall and the roof can be constructed by one or more different prefabricated plates. The specific material selection standard can be determined according to the requirements of heat preservation and energy conservation of the location of the project, the climatic environment and the requirements of owners on the appearance.
For the door and window structure of the energy storage cabin, corresponding hole positions can be reserved when the main body structure frame 3 is prefabricated. The door and window are usually made of bridge-cut-off aluminum materials so as to improve the energy-saving performance of the energy storage cabin. Specifically, the main structure frame 3 is additionally provided with an escape door, and a push cylinder type emergency escape door lock is arranged when the escape door is installed, so that the escape requirements of personnel are met.
In addition to the above embodiments, as a further limited embodiment, a downpipe structure is provided on the roof to constitute a drainage form that prevents the combination of drainage and natural drainage. For the bottom surface structure of the indoor space 34, the present embodiment employs an antistatic ceramic floor. As an alternative, the floor of the room may be laid out of other materials. The indoor space 34 is also provided with auxiliary devices for lighting, fire fighting, heating ventilation, image monitoring, communication, environmental monitoring, and the like.
On the basis of the above embodiments, as a further limited embodiment, the distance M between the concrete bottom plate 1 and the ground is 400mm to 800 mm. A certain distance is reserved between the concrete bottom plate 1 and the ground, and the ventilation quantity below the concrete bottom plate 1 can be increased. In this embodiment, the distance M from the concrete bottom plate 1 to the ground is 600 mm.
In this embodiment, the integrated energy storage system further includes: the cable bridge 2 is arranged below the concrete bottom plate 1, and the end of the cable bridge 2 extends to a cable shaft in a direction towards the ground by a certain radian.
A certain distance is reserved between the concrete bottom plate 1 and the bottom surface, the concrete bottom plate is just used for arranging the cable bridge 2, and the cable bridge 2 can improve the heat dissipation capacity of the cable bridge 2 at the ventilation position. Specifically, with reference to fig. 1 and 2, the cable bridge 2 extends into the ground, the cable on the cable bridge directly drops to the ground through the bridge at the end and then is buried directly, and the depth of the cable bridge 2 extending into the ground is 800mm to 1200 mm. In this embodiment, the depth of the cable bridge 2 extending into the ground is 1000 mm.
On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 to 4, the integrated energy storage system further includes: a plurality of battery clusters 5, the battery clusters 5 comprising: a battery holder 51; the battery rack 51 is arranged in the indoor space 34 and supported on the concrete bottom plate 1, and a plurality of battery modules are arranged on the battery rack 51; the air-conditioning ventilation space is arranged at the bottom of the battery rack 51;
the battery cluster 5 is the important constitutional part of energy storage system, and the battery module of battery cluster 5 temperature can rise in the course of the work, and the temperature rise can influence the whole working property of battery cluster 5, in order to realize the heat dissipation operation to battery cluster 5, still including room air intake 31, locate on the concrete bottom plate near the battery cluster, according to the ventilation needs, be equipped with a plurality of openings. Meanwhile, in order to accelerate the air flow, the air-conditioning system is further provided with an axial flow fan, and the axial flow fan is arranged at the top of the energy storage cabin. On the other hand, when the temperature of the battery cluster 5 rises, the temperature of the air around the battery module is increased, the density is reduced, and the hot airflow naturally rises, so that the airflow flowing from the bottom to the top of the battery cluster 5 is consistent with the original flow direction of the hot airflow, the rise of the hot airflow can be further promoted, and the heat dissipation performance of the battery cluster 5 is further improved.
Specifically, the battery rack 51 has an air flow channel in the middle, and the air flow channel runs from bottom to top. The shape of the air flow channel can be a straight cylinder type, and the air flow in the air flow channel can rise along a broken line or spirally. The number of the airflow channels may be 1 or more, which is not described in this embodiment. The ventilation space at the bottom of the battery holder 51 is the inlet of the airflow channel.
On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 3, the integrated energy storage system further includes: an air conditioner 4 provided in the indoor space 34, the air conditioner 4 being supported on the concrete floor 1; the air supply outlet is arranged on the air conditioner 4; and one end of the air supply pipe 42 is connected with the air supply outlet, the other end of the air supply pipe extends into the ventilation space, and a plurality of openings are formed in the air supply pipe 42. The air conditioner 4 can input air flow to the battery clusters 5 in the ventilation space through the air supply pipe 42, as shown in fig. 3, the battery clusters are arranged on the upper side and the lower side of the air conditioner, on one hand, the air conditioner 4 can further improve the flow rate and the flow velocity of the air flow, on the other hand, the air conditioner 4 can adjust the temperature of the air supply, and therefore the heat dissipation efficiency of the battery clusters 5 is further enhanced.
Specifically, the air flow produced by the air conditioner 4 flows out of the air supply outlet and enters the air supply pipe 42, the opening on the air supply pipe 42 is aligned with the air flow channel on the battery rack 51, the cold air can directly enter the air flow channel from the opening on the air supply pipe 42, the air flow channel can also be a pipeline structure which is communicated with the opening of the air supply pipe 42, then the cold air is conveyed to the battery module on the battery rack 51 in the form of an opening on the pipeline structure or an extra branch air supply pipe 42, and the hot air is extracted along with the work of the axial flow fan 53 above the battery rack 51.
As a more limited embodiment, as shown in fig. 3 and 5, the battery clusters 5 are distributed along the long side of the indoor space 34, a plurality of battery clusters 5 form a battery cluster 5 group, and the air conditioners 4 are disposed at least at the two ends of the battery cluster 5 group or in the middle of the battery cluster group. The battery clusters 5 distributed along the long sides can leave passages among the battery clusters 5, increase ventilation volume and improve the heat dissipation efficiency of the battery clusters 5. The air conditioner 4 is provided near the battery cluster 5 so that the length of the distribution blast pipe 42 can be shortened. As an alternative embodiment, the battery clusters 5 may be annularly distributed near the edge of the indoor space 34.
In this embodiment, the air supply opening is located at the bottom of the air conditioner 4, and the air supply opening is disposed near the opening of the ventilation space. The length of the distribution blast pipe 42 can be further shortened. Alternatively, the supply air outlet may be located at the side or top of the air conditioner 4, and the supply air may still be supplied through the supply air duct 42. As an alternative embodiment, the air conditioner 4 may be provided with no air supply duct 42 at the air supply outlet, and cool air may be directly supplied to the indoor space 34. The air return inlet of the air conditioner is arranged at the top of the air conditioner, and the cold air output from the bottom of the battery rack 51 through the air supply outlet returns air at the top, so that a refrigeration air supply loop of the air conditioner is formed.
On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 and fig. 6, the battery cluster 5 is an important component of the energy storage system, the temperature of the battery module of the battery cluster 5 rises during the working process, and the rise in temperature affects the overall working performance of the battery cluster 5, and in order to realize the heat dissipation operation of the battery cluster 5, the heat dissipation system further includes a room air inlet 31, which is arranged on the concrete bottom plate near the battery cluster and is provided with a plurality of openings according to the ventilation requirement.
Specifically, as shown in fig. 6, a louver with a filter screen is disposed on the room air inlet 31, and an electric valve is disposed on the inner side of the louver, the voltage of the electric valve is 220V, and the power of the electric valve is set to 20W. Meanwhile, a decoration part is arranged on the inner side of the air supply outlet.
Meanwhile, in order to accelerate the air flow, the air-conditioning system is further provided with an axial flow fan, and the axial flow fan is arranged at the top of the energy storage cabin.
The air conditioner is started and stopped and the axial flow fan is started and stopped according to the following modes: and (3) an air conditioner refrigeration mode: when the outdoor dry bulb temperature (Tw) is more than or equal to 16 ℃ (adjustable), the air-conditioning refrigeration mode is started to maintain the temperature requirement between the indoor batteries, the air inlet valve is closed, and the exhaust fan is closed. At this time, the flow direction of the wind is the wind channel which goes out from the air outlet of the air conditioner and enters the bottom of the bracket. A natural cooling mode: when the outdoor dry bulb temperature (Tw) is less than 15 ℃ (adjustable), the natural cooling mode is operated, an electric valve and an axial flow fan of a natural air inlet are simultaneously opened, the air conditioning unit is internally circulated, and a compressor is not opened; when the indoor dry bulb temperature (Tn) < 15 ℃ (adjustable), the natural cooling mode is turned off. And when the indoor dry bulb temperature (Tn) is higher than 25 ℃ (adjustable), starting an air conditioner for refrigeration, and closing a natural cooling mode.
Specifically, a temperature sensor may be provided in the indoor space 34 on the ceiling surface 35. Simultaneously, corresponding, be provided with rain-proof cover 10 in the top position of assembly energy storage cabin, rain-proof cover self is 45 degrees slopes to be set up. Meanwhile, an insect-proof net 8 is arranged at the air outlet of the room; meanwhile, in order to restrict the unidirectional flow of the axial flow fan, a check valve 9 is provided at the position of the air outlet of the room, thereby restricting the flow of the wind from the inside to the outside, but not from the outside to the inside.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. An integrated energy storage system, comprising:
a base support (11);
a concrete floor (1) supported on the foundation support (11);
the main body structure frame (3) is arranged on the concrete bottom plate (1) and is connected with the foundation support (11);
and the heat-insulation precast slab is arranged on the main body structure frame (3), and the heat-insulation precast slab and the concrete bottom plate (1) enclose an indoor space (34).
2. The integrated energy storage system according to claim 1, characterized in that the distance M between the concrete floor (1) and the ground is 400-800 mm.
3. The integrated energy storage system of claim 1 or 2, further comprising:
the cable bridge (2), the cable bridge (2) is located under the concrete bottom plate (1), the cable bridge (2) end extends to the cable shaft to ground direction with certain radian.
4. The integrated energy storage system of claim 1, further comprising:
a number of battery clusters (5), the battery clusters (5) comprising:
a battery holder (51); the battery rack (51) is arranged in the indoor space (34) and supported on the concrete bottom plate (1), and a plurality of battery modules are arranged on the battery rack (51);
the air-conditioning ventilation space is arranged at the bottom of the battery rack (51);
and the axial flow fan (53) is arranged at the top of the integrated energy storage system.
5. The integrated energy storage system of claim 4, further comprising:
an air conditioner (4) provided in the indoor space (34), the air conditioner (4) being supported on the concrete floor (1);
the air supply outlet is arranged on the air conditioner (4);
and one end of the air supply pipe (42) is connected with the air supply outlet, the other end of the air supply pipe extends into the ventilation space, and a plurality of openings are formed in the air supply pipe (42).
6. The integrated energy storage system according to claim 5, wherein the battery clusters are distributed along a long side of the indoor space (34), a plurality of the battery clusters form a battery cluster group, and the air conditioner (4) is at least arranged at two ends of the battery cluster group or in the middle of the battery cluster group.
7. Integrated energy storage system according to claim 5, characterized in that the supply air outlet is located at the bottom of the air conditioner (4), which supply air outlet is arranged close to the opening of the ventilated space.
8. The integrated energy storage system of any of claims 4-7, further comprising:
the room air inlet (31) is arranged on the concrete bottom plate near the battery cluster and is provided with a plurality of openings according to the ventilation requirement;
and the room air outlet is arranged at the top of the integrated energy storage system, and the axial flow fan is arranged at the top of the integrated energy storage system.
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| CN202110598676.5A CN113152503A (en) | 2021-05-31 | 2021-05-31 | Integrated energy storage system |
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| CN202110598676.5A CN113152503A (en) | 2021-05-31 | 2021-05-31 | Integrated energy storage system |
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