CN111987384B - Centralized energy storage equipment thermal management system and working method thereof - Google Patents

Centralized energy storage equipment thermal management system and working method thereof Download PDF

Info

Publication number
CN111987384B
CN111987384B CN202010879552.XA CN202010879552A CN111987384B CN 111987384 B CN111987384 B CN 111987384B CN 202010879552 A CN202010879552 A CN 202010879552A CN 111987384 B CN111987384 B CN 111987384B
Authority
CN
China
Prior art keywords
branch
energy storage
path
main
water pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010879552.XA
Other languages
Chinese (zh)
Other versions
CN111987384A (en
Inventor
朱连峻
刘大为
刘明义
朱耿锋
孙超
李萌
李海建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
New Energy Branch of Huaneng Qinghai Power Generation Co Ltd
Original Assignee
Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
New Energy Branch of Huaneng Qinghai Power Generation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaneng Clean Energy Research Institute, Huaneng Group Technology Innovation Center Co Ltd, New Energy Branch of Huaneng Qinghai Power Generation Co Ltd filed Critical Huaneng Clean Energy Research Institute
Priority to CN202010879552.XA priority Critical patent/CN111987384B/en
Publication of CN111987384A publication Critical patent/CN111987384A/en
Application granted granted Critical
Publication of CN111987384B publication Critical patent/CN111987384B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285Testing apparatus
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a centralized energy storage equipment thermal management system and a working method thereof, and belongs to the technical field of energy storage. The main controller is directly connected with the water pump and the temperature measuring point of each stage in the energy storage system, so that the heat management of the distributed energy storage units is controlled in a centralized mode, a heat management mechanism of a single energy storage unit is omitted, the energy consumption of the energy storage system is effectively reduced, and the design, installation and maintenance costs of the system are reduced. Accurately controlling the ambient temperature of each stage in the energy storage system through the real-time communication state information of each monitoring point in each stage of the energy storage system; and can force separation and cooling down when certain energy storage unit suddenly generates heat out of control state, reduce the emergence probability of unexpected safety problem, reduce the huge economic loss that energy storage system caused because of thermal runaway, improve energy storage system's security and stability.

Description

Centralized energy storage equipment thermal management system and working method thereof
Technical Field
The invention belongs to the technical field of energy storage, and particularly relates to a centralized energy storage equipment thermal management system and a working method thereof.
Background
When analyzing the energy storage process, the part of the object or the spatial extent drawn for determining the object under study is referred to as the energy storage system. It includes energy and matter input and output, energy conversion and storage devices. Energy storage systems often involve multiple energies, multiple devices, multiple substances, multiple processes, are time-varying complex energy systems that require multiple indices to describe their performance. The commonly used evaluation indexes include energy storage density, energy storage power, energy storage efficiency, energy storage price, influence on the environment and the like.
Electrochemical energy storage refers to energy storage of various secondary batteries. Chemical elements are used as energy storage media, and the charging and discharging processes are accompanied with chemical reactions or changes of the energy storage media. The battery mainly comprises a lead-acid battery, a flow battery, a sodium-sulfur battery, a lithium ion battery and the like. Lithium batteries and lead storage batteries are mainly used at present.
At present, an energy storage battery thermal management system mainly adopts air cooling, liquid cooling, phase change material cooling or a coupling method of a plurality of modes of the air cooling, the liquid cooling, the phase change material cooling or the coupling method, and the methods have the defects of complex system structure, high system energy consumption and the like, however, the existing mature liquid cooling system is not suitable for a large-scale power station type battery energy storage system, and the problems of high system energy consumption and low cost are caused mainly because a large number of batteries are accumulated in a certain space of the battery energy storage system and the unified management of temperature control and fire control cannot be uniformly realized.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a centralized thermal management system for energy storage devices and a working method thereof, which perform centralized management and control on thermal management of distributed energy storage units, and have the advantages of reasonable structural design, accurate control, low energy consumption, and improved safety and reliability of energy storage devices.
The invention is realized by the following technical scheme:
the invention discloses a centralized energy storage equipment heat management system, which comprises a main controller, a main water tank and a circulating main road, wherein the main controller is connected with the main water tank; the main circulation path is connected with the main water tank, a main path water pump is arranged on the main circulation path, and the main path water pump is connected with a pressure flow detection unit and a main path temperature measurement unit; the main circulation path is connected with a plurality of circulation branches, each circulation branch is connected with an energy storage container, a branch water pump is arranged on each circulation branch, and the branch water pump is connected with a branch temperature measuring unit; the circulating branch is connected with a plurality of circulating branches, each circulating branch is connected with an energy storage battery cluster, a branch water pump is arranged on each circulating branch, and each branch water pump is connected with a branch temperature measuring unit; the circulating branch is connected with a plurality of circulating capillary paths, each circulating capillary path is connected with a battery pack, a capillary path water pump is arranged on each circulating capillary path, and each capillary path water pump is connected with a capillary path temperature measuring unit;
the main circuit water pump, the pressure flow detection unit, the main circuit temperature measurement unit, the branch circuit water pump, the branch circuit temperature measurement unit, the capillary circuit water pump and the capillary circuit temperature measurement unit are respectively connected with the main controller.
Preferably, the circulation main path comprises a liquid supply main path and a liquid supply loop, the liquid supply main path and the liquid return main path are respectively connected with the main water tank, and main path water pumps are arranged on the liquid supply main path and the liquid return main path; the energy storage containers are arranged between the liquid supply main path and the liquid return main path, each energy storage container is respectively connected with the liquid supply main path and the liquid return main path through a circulation branch, and each circulation branch is provided with a branch water pump.
Further preferably, the main path temperature measuring unit and the pressure flow detecting unit are respectively connected with a main path water pump on the liquid supply main path.
Preferably, the circulation branch comprises a liquid supply branch and two liquid return branches, the liquid supply branch is connected with the circulation main path, the two liquid return branches are connected with the circulation main path after being converged, and branch water pumps are arranged on the liquid supply branch and the two liquid return branches; the energy storage battery clusters are arranged between the liquid supply branch and the two liquid return branches, each energy storage battery cluster is connected with the liquid supply branch and the two liquid return branches through circulating branches, and a branch water pump is arranged on each circulating branch.
Preferably, the circulating branch comprises a liquid supply branch and two liquid return branches, the liquid supply branch is connected with the circulating branch, the two liquid return branches are connected with the circulating branch after being converged, and branch water pumps are arranged on the liquid supply branch and the two liquid return branches; the battery packs are arranged between the liquid supply branch and the two liquid return branches, each battery pack is connected with the liquid supply branch and the two liquid return branches through circulating capillary paths respectively, and a capillary path water pump is arranged on each circulating capillary path.
Preferably, the processor unit of the main controller is an AT91SAM 9260.
Preferably, the main circuit temperature measuring unit, the branch circuit temperature measuring unit, the shunt circuit temperature measuring unit and the capillary circuit temperature measuring unit are contact temperature measuring thermocouples.
Preferably, the main road water pump, the pressure flow detection unit, the main road temperature measurement unit, the branch road water pump, the branch road temperature measurement unit, the capillary road water pump and the capillary road temperature measurement unit are respectively in communication connection with the main controller through remote networking.
Further preferably, the communication chip of the main controller is AM 335X.
The working method of the centralized energy storage equipment thermal management system disclosed by the invention comprises the following steps:
the main controller controls a main path water pump, a branch path water pump and a capillary path water pump respectively according to temperature information fed back by the main path temperature measuring unit, the branch path temperature measuring unit and the capillary path temperature measuring unit in real time and by combining the output and power requirements of a superior system on the energy storage equipment and the optimal temperature operation data of the energy storage equipment, so as to control the flow of cooling media in the main circulation path, the branch circulation path and the capillary circulation path, monitor the environmental temperature of each energy storage container, each energy storage battery cluster and each battery pack and adjust the environmental temperature in real time; when a certain energy storage container, an energy storage battery cluster or a battery pack generates sudden heating and is out of control, the circuit is forcibly separated, and a corresponding water pump is enlarged to inject liquid for cooling.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the centralized energy storage equipment heat management system disclosed by the invention, the main controller is directly connected with the water pump and the temperature measuring point of each stage in the energy storage system, so that the heat management of the distributed energy storage units is managed and controlled in a centralized manner, a heat management mechanism of a single energy storage unit is cancelled, the energy consumption of the energy storage system is effectively reduced, and the design, installation and maintenance costs of the system are reduced. Accurately controlling the ambient temperature of each stage in the energy storage system through the real-time communication state information of each monitoring point in each stage of the energy storage system; and can force separation and cooling down when certain energy storage unit suddenly generates heat out of control state, reduce the emergence probability of unexpected safety problem, reduce the huge economic loss that energy storage system caused because of thermal runaway, improve energy storage system's security and stability.
Furthermore, the circulating branch and the circulating capillary adopt the forms of a middle liquid supply path and two side liquid return paths, and the circulating effect is good.
Further, the processor unit of the main controller adopts AT91SAM9260, and AT91SAM9260 has a full-function system controller capable of realizing efficient system management, which comprises a reset controller, a shutdown controller, a clock management, an Advanced Interrupt Controller (AIC), a debugging unit (DBGU), a period interval timer, a watchdog timer and a real-time timer. The system has 8KB instructions and 8KB data buffers. The performance can reach 210MIPS when the clock frequency of 190MHz is operated. The product contains 8KB SRAM and 32KB ROM, which allows single cycle access at the highest processor or bus speeds. The product also has external bus interfaces that contain controllers for controlling the SDRAM and static memory including NAND Flash and CompactFlash. The 32-bit parallel input/output controller allows the pins to be multiplexed with these peripherals, thereby reducing the number of device pins and the peripheral DMA channels, and improving the data throughput between the interface and the on-chip and off-chip memories to the highest level. The AT91SAM 926032-bit parallel input/output controller realizes real-time parallel control on the existing temperature control points and all water path control valves, supports an external bus interface, provides a more friendly connection mode and communication timeliness for connection of control panels, ensures stable operation of a temperature control system, and can meet the control requirement of the system.
Furthermore, the main circuit temperature measuring unit, the branch circuit temperature measuring unit, the shunt circuit temperature measuring unit and the capillary circuit temperature measuring unit all adopt contact temperature measuring thermocouples, and are simple in structure, convenient to manufacture, wide in temperature measuring range, small in thermal inertia, high in accuracy and convenient for remote transmission of output signals.
Furthermore, each water pump and the detection unit are in communication connection with the main controller through remote networking, so that remote control can be realized, and the automation degree is high.
Furthermore, the communication chip of the main controller adopts AM335X, and can realize communication interconnection with all water pumps, the detection unit and the superior system.
The working method of the centralized energy storage equipment heat management system disclosed by the invention has the advantages of high automation degree and high concentration degree, effectively reduces the energy consumption of the system, can carry out heat management on the energy storage system on the whole, and has strong safety and stability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a cooling cycle in an energy storage container;
fig. 3 is a schematic diagram of a cooling cycle structure in an energy storage battery cluster.
In the figure: the device comprises a main controller 1, a main water tank 2, a main path water pump 3, a pressure flow detection unit 4, a main path temperature measurement unit 5, a circulation main path 6, a circulation branch 7, an energy storage container 8, a branch water pump 9, a branch temperature measurement unit 10, a circulation branch 11, an energy storage battery cluster 12, a branch water pump 13, a branch temperature measurement unit 14, a circulation capillary path 15, a battery pack 16, a capillary path water pump 17 and a capillary path temperature measurement unit 18.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are included to illustrate and not to limit the invention:
according to the centralized energy storage equipment thermal management system, a main circulation path 6 is connected with a main water tank 2, a main path water pump 3 is arranged on the main circulation path 6, and the main path water pump 3 is connected with a pressure flow detection unit 4 and a main path temperature measurement unit 5; the main circulation path 6 is connected with a plurality of circulation branches 7, each circulation branch 7 is connected with an energy storage container 8, a branch water pump 9 is arranged on each circulation branch 7, and the branch water pump 9 is connected with a branch temperature measuring unit 10; the circulating branch 7 is connected with a plurality of circulating branches 11, each circulating branch 11 is connected with an energy storage battery cluster 12, a branch water pump 13 is arranged on each circulating branch 11, and each branch water pump 13 is connected with a branch temperature measuring unit 14; the circulating branch 11 is connected with a plurality of circulating capillary paths 15, each circulating capillary path 15 is connected with a battery pack 16, a capillary path water pump 17 is arranged on each circulating capillary path 15, and the capillary path water pump 17 is connected with a capillary path temperature measuring unit 18.
The main path water pump 3, the pressure flow detection unit 4, the main path temperature measurement unit 5, the branch path water pump 9, the branch path temperature measurement unit 10, the branch path water pump 13, the branch path temperature measurement unit 14, the capillary path water pump 17 and the capillary path temperature measurement unit 18 are respectively connected with the main controller 1; preferably, a remote networking connection is adopted, and the medium can be serial 485, Ethernet, optical fiber ring network and the like.
As shown in fig. 1, in a preferred embodiment of the present invention, the main circulation path 6 includes a main liquid supply path and a main liquid return path, the main liquid supply path and the main liquid return path are respectively connected to the main water tank 2, and both the main liquid supply path and the main liquid return path are provided with a main path water pump 3; the energy storage containers 8 are arranged between the liquid supply main path and the liquid return main path, each energy storage container 8 is connected with the liquid supply main path and the liquid return main path through a circulation branch 7, a branch water pump 9 is arranged on each circulation branch 7, and the main path temperature measuring unit 5 and the pressure flow detecting unit 4 are connected with the main path water pump 3 on the liquid supply main path.
Referring to fig. 2, in a preferred embodiment of the present invention, the circulation branch 7 includes a liquid supply branch and two liquid return branches, the liquid supply branch is connected to the main circulation path 6, the two liquid return branches are merged and then connected to the main circulation path 6, and the liquid supply branch and the two liquid return branches are both provided with branch water pumps 9; the energy storage battery clusters 12 are arranged between the liquid supply branch and the two liquid return branches, each energy storage battery cluster 12 is connected with the liquid supply branch and the two liquid return branches through the circulating branch 11, and a branch water pump 13 is arranged on each circulating branch 11.
Referring to fig. 3, in a preferred embodiment of the present invention, the circulation branch 11 includes a liquid supply branch and two liquid return branches, the liquid supply branch is connected to the circulation branch 7, the two liquid return branches are merged and then connected to the circulation branch 7, and the liquid supply branch and the two liquid return branches are both provided with branch water pumps 13; the battery packs 16 are arranged between the liquid supply branch and the two liquid return branches, each battery pack 16 is respectively connected with the liquid supply branch and the two liquid return branches through circulating capillary paths 15, and each circulating capillary path 15 is provided with a capillary path water pump 17.
The processor unit of the main controller 1 may employ the AT91SAM 9260.
Contact type temperature thermocouples are preferably adopted by the main circuit temperature measuring unit 5, the branch circuit temperature measuring unit 10, the branch circuit temperature measuring unit 14 and the capillary circuit temperature measuring unit 18.
The communication chip of the main controller 1 adopts an AM335X, and a plurality of network ports, 485 serial ports and multi-path input and output dry contacts connected with the AM 335X. The output ends of the main circuit temperature measuring unit 5, the branch circuit temperature measuring unit 10, the branch circuit temperature measuring unit 14 and the capillary circuit temperature measuring unit 18 are connected with the corresponding 485 interfaces through analog-to-digital converters, and temperature measuring data are transmitted to the AM335X chip. The power station control system is communicated with the AM335X chip through an ICE104 protocol and is used for transmitting the running state of the energy storage device to the AM335X chip.
When the centralized energy storage device thermal management system works:
the main controller 1 controls a main road water pump 3, a branch water pump 9, a branch water pump 13 and a capillary water pump 17 respectively according to temperature information fed back by a main road temperature measuring unit 5, a branch temperature measuring unit 10, a branch temperature measuring unit 14 and a capillary temperature measuring unit 18 in real time and by combining the output and power requirements of a superior system on energy storage equipment and optimal temperature operation data of the energy storage equipment, so as to control the flow of cooling media in a main circulation road 6, a branch circulation road 7, a branch circulation road 11 and a capillary circulation road 15, monitor the ambient temperature of each energy storage container 8, an energy storage battery cluster 12 and a battery pack 16 and adjust the ambient temperature in real time; when a certain energy storage container 8, an energy storage battery cluster 12 or a battery pack 16 is suddenly heated and out of control, a temperature three-level alarm is given through each temperature measuring unit, a corresponding BMS (battery management system) battery cluster control switch is linked, a circuit is cut off, a corresponding electromagnetic valve of the thermal management system is opened, liquid injection and cooling treatment is carried out on a battery box, controllability of thermal runaway is ensured, and synchronous management of thermal management and fire control is achieved.
The above description is only a part of the embodiments of the present invention, and some terms are used in the present invention, but the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention and are to be construed as any additional limitation which is not in accordance with the spirit of the invention. The above-mentioned embodiments are only examples to further illustrate the content of the present invention, so as to facilitate understanding, but do not represent to limit the embodiments of the present invention, and any technical extension or re-creation made by the present invention is protected by the present invention.

Claims (10)

1. The centralized energy storage equipment heat management system is characterized by comprising a main controller (1), a main water tank (2) and a circulating main path (6); the main circulation path (6) is connected with the main water tank (2), a main path water pump (3) is arranged on the main circulation path (6), and the main path water pump (3) is connected with a pressure flow detection unit (4) and a main path temperature measurement unit (5); the main circulation path (6) is connected with a plurality of circulation branches (7), each circulation branch (7) is connected with an energy storage container (8), a branch water pump (9) is arranged on each circulation branch (7), and each branch water pump (9) is connected with a branch temperature measuring unit (10); the circulating branch (7) is connected with a plurality of circulating branches (11), each circulating branch (11) is connected with an energy storage battery cluster (12), a branch water pump (13) is arranged on each circulating branch (11), and each branch water pump (13) is connected with a branch temperature measuring unit (14); the circulating branch (11) is connected with a plurality of circulating capillary paths (15), each circulating capillary path (15) is connected with a battery pack (16), a capillary path water pump (17) is arranged on each circulating capillary path (15), and each capillary path water pump (17) is connected with a capillary path temperature measuring unit (18);
the main circuit water pump (3), the pressure flow detection unit (4), the main circuit temperature measurement unit (5), the branch circuit water pump (9), the branch circuit temperature measurement unit (10), the branch circuit water pump (13), the branch circuit temperature measurement unit (14), the capillary circuit water pump (17) and the capillary circuit temperature measurement unit (18) are respectively connected with the main controller (1).
2. The centralized energy storage device thermal management system according to claim 1, wherein the main circulation path (6) comprises a main liquid supply path and a main liquid return path, the main liquid supply path and the main liquid return path are respectively connected to the main water tank (2), and a main water pump (3) is disposed on each of the main liquid supply path and the main liquid return path; the energy storage containers (8) are arranged between the liquid supply main path and the liquid return main path, each energy storage container (8) is respectively connected with the liquid supply main path and the liquid return main path through a circulation branch (7), and each circulation branch (7) is provided with a branch water pump (9).
3. The centralized energy storage device thermal management system according to claim 2, wherein the main circuit temperature measuring unit (5) and the pressure and flow rate detecting unit (4) are both connected to the main circuit water pump (3) on the main liquid supply circuit.
4. The centralized energy storage device thermal management system according to claim 1, wherein the circulation branch (7) comprises a liquid supply branch and two liquid return branches, the liquid supply branch is connected with the main circulation path (6), the two liquid return branches are merged and then connected with the main circulation path (6), and branch water pumps (9) are arranged on the liquid supply branch and the two liquid return branches; a plurality of energy storage battery clusters (12) are arranged between the liquid supply branch and the two liquid return branches, each energy storage battery cluster (12) is connected with the liquid supply branch and the two liquid return branches through a circulating branch (11), and a branch water pump (13) is arranged on each circulating branch (11).
5. The centralized energy storage device thermal management system according to claim 1, wherein the circulation branch (11) comprises a liquid supply branch and two liquid return branches, the liquid supply branch is connected with the circulation branch (7), the two liquid return branches are connected with the circulation branch (7) after being merged, and branch water pumps (13) are arranged on the liquid supply branch and the two liquid return branches; the battery packs (16) are arranged between the liquid supply branch and the two liquid return branches, each battery pack (16) is respectively connected with the liquid supply branch and the two liquid return branches through circulating capillary paths (15), and each circulating capillary path (15) is provided with a capillary path water pump (17).
6. The centralized energy storage device thermal management system of claim 1, wherein the processor unit of the master controller (1) is an AT91SAM 9260.
7. The centralized energy storage device thermal management system according to claim 1, wherein the main circuit temperature measuring unit (5), the branch circuit temperature measuring unit (10), the branch circuit temperature measuring unit (14), and the capillary circuit temperature measuring unit (18) are contact temperature thermocouples.
8. The centralized energy storage device thermal management system according to claim 1, wherein the main road water pump (3), the pressure and flow rate detection unit (4), the main road temperature measurement unit (5), the branch road water pump (9), the branch road temperature measurement unit (10), the branch road water pump (13), the branch road temperature measurement unit (14), the capillary road water pump (17), and the capillary road temperature measurement unit (18) are respectively in communication connection with the main controller (1) through a remote network.
9. The centralized energy storage device thermal management system of claim 8, wherein the communication chip of the master controller (1) is AM 335X.
10. The method for operating the centralized energy storage device thermal management system according to any one of claims 1 to 9, comprising:
the main controller (1) controls a main path water pump (3), a branch path water pump (9), a branch path water pump (13) and a capillary path water pump (17) respectively according to temperature information fed back by the main path temperature measuring unit (5), the branch path temperature measuring unit (10), the branch path temperature measuring unit (14) and the capillary path temperature measuring unit (18) in real time and by combining the output and power requirements of a superior system on energy storage equipment and optimal temperature operation data of the energy storage equipment, so as to control the flow of cooling media in a circulation main path (6), a circulation branch path (7), a circulation branch path (11) and a circulation capillary path (15), monitor the environmental temperature of each energy storage container (8), each energy storage battery cluster (12) and each battery pack (16) and adjust the environmental temperature in real time; when sudden thermal runaway occurs in a certain energy storage container (8), an energy storage battery cluster (12) or a battery pack (16), circuit forced separation is carried out on the container and the battery pack, and a corresponding water pump is added for liquid injection and temperature reduction.
CN202010879552.XA 2020-08-27 2020-08-27 Centralized energy storage equipment thermal management system and working method thereof Active CN111987384B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010879552.XA CN111987384B (en) 2020-08-27 2020-08-27 Centralized energy storage equipment thermal management system and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010879552.XA CN111987384B (en) 2020-08-27 2020-08-27 Centralized energy storage equipment thermal management system and working method thereof

Publications (2)

Publication Number Publication Date
CN111987384A CN111987384A (en) 2020-11-24
CN111987384B true CN111987384B (en) 2022-09-20

Family

ID=73439981

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010879552.XA Active CN111987384B (en) 2020-08-27 2020-08-27 Centralized energy storage equipment thermal management system and working method thereof

Country Status (1)

Country Link
CN (1) CN111987384B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290618A (en) * 2011-07-26 2011-12-21 浙江吉利汽车研究院有限公司 Vehicle battery thermal management system
WO2018086606A1 (en) * 2016-11-11 2018-05-17 蔚来汽车有限公司 Modular and extensible temperature adjustment system
CN110265736A (en) * 2019-06-20 2019-09-20 国电南瑞科技股份有限公司 Energy-accumulating power station battery management system and method for early warning with intelligent fire alarm function

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2186817A1 (en) * 1996-09-30 1998-03-31 Hamid Hatami-Hanza Optical communication system utilizing photonic patterns
CN105932366B (en) * 2016-04-29 2018-09-14 广州汽车集团股份有限公司 Control method, temperature control gateway and the temperature control system of the temperature of battery system
CN106016539A (en) * 2016-06-29 2016-10-12 北京丰联奥睿科技有限公司 Multi-branch heat pipe and heat pump compounding system
CN207426078U (en) * 2017-11-13 2018-05-29 河南森源电气股份有限公司 Battery energy storage equipment and its heat management system
CN110676525A (en) * 2019-10-09 2020-01-10 国网冀北综合能源服务有限公司 Battery energy control method for battery energy control system of energy storage power station
CN211088450U (en) * 2019-10-22 2020-07-24 华人运通(江苏)技术有限公司 Battery thermal management system and waterway system thereof
CN212303773U (en) * 2020-08-27 2021-01-05 中国华能集团清洁能源技术研究院有限公司 Centralized energy storage equipment thermal management system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290618A (en) * 2011-07-26 2011-12-21 浙江吉利汽车研究院有限公司 Vehicle battery thermal management system
WO2018086606A1 (en) * 2016-11-11 2018-05-17 蔚来汽车有限公司 Modular and extensible temperature adjustment system
CN110265736A (en) * 2019-06-20 2019-09-20 国电南瑞科技股份有限公司 Energy-accumulating power station battery management system and method for early warning with intelligent fire alarm function

Also Published As

Publication number Publication date
CN111987384A (en) 2020-11-24

Similar Documents

Publication Publication Date Title
CN206004618U (en) A kind of monitoring system and equipment
CN212303773U (en) Centralized energy storage equipment thermal management system
CN111370788A (en) Energy storage system BMS wireless networking communication system and method
CN108032745B (en) Battery management system suitable for low temperature work
CN111212131A (en) Device for realizing multi-core modular expansion internet of things proxy based on carrier communication
CN111934374A (en) Large energy storage battery management system based on three-level architecture of double controllers
CN111987384B (en) Centralized energy storage equipment thermal management system and working method thereof
CN113012414A (en) Modular energy acquisition and control terminal supporting real-time reporting of household meter power failure information
Lu et al. Research on Intelligent Power Management and Control Technology of Electric Vehicle Based on Edge Computing
CN202677114U (en) Industrial control main board based on MSP430 single chip microcomputer
CN116470177A (en) Energy storage battery cooling system for vehicle
CN101231523B (en) Control system and method for sensibility charge
CN108964159B (en) Digital battery energy exchange system
CN214124859U (en) Battery management system for lithium battery
CN107154675A (en) A kind of monobus communication system and its method applied to mesohigh SVG
CN111884862A (en) Performance optimization method of secondary system of energy storage power station
CN210297308U (en) Lithium battery energy storage system based on PLC
CN113219867A (en) Multi-core heterogeneous protection measurement and control device
CN214850625U (en) Intelligent assembly of multi-state-quantity configurable power transformation equipment
CN116388334B (en) Reconfigurable battery energy storage system
CN205489562U (en) Domestic new forms of energy integration intelligence meter accuse system
CN203326039U (en) Fuel cell monitoring system
CN220087008U (en) Local energy management machine for energy storage system
CN213937535U (en) Intelligent station area convergence terminal integrating IEC61850 protocol and communication management
CN201698215U (en) Energy efficiency optimization dispatching system for distributed energy network

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant