WO2021106639A1 - Dispositif de climatisation et dispositif de stockage d'électricité - Google Patents

Dispositif de climatisation et dispositif de stockage d'électricité Download PDF

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Publication number
WO2021106639A1
WO2021106639A1 PCT/JP2020/042517 JP2020042517W WO2021106639A1 WO 2021106639 A1 WO2021106639 A1 WO 2021106639A1 JP 2020042517 W JP2020042517 W JP 2020042517W WO 2021106639 A1 WO2021106639 A1 WO 2021106639A1
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WO
WIPO (PCT)
Prior art keywords
temperature
storage battery
temperature control
control device
low
Prior art date
Application number
PCT/JP2020/042517
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English (en)
Japanese (ja)
Inventor
伊藤　敦
西城　和幸
彰一 大津
正樹 竹山
Original Assignee
ネクストエナジー・アンド・リソース株式会社
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Publication of WO2021106639A1 publication Critical patent/WO2021106639A1/fr

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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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • 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
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • H01M10/63—Control systems
    • H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
    • 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
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • 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

Definitions

  • the present invention relates to a temperature control device that controls the ambient temperature of the storage battery and a power storage device having the storage battery.
  • an object of the present invention is to provide a temperature control device and a power storage device capable of suppressing deterioration of a storage battery.
  • the specific unit specifies whether the ambient temperature of the storage battery is low or high, and the specific unit specifies that the ambient temperature is low.
  • the temperature of the storage battery is controlled so as to exceed the first temperature, which is the upper limit temperature of the low temperature state that causes deterioration of the storage battery, and the specific unit specifies that the ambient temperature is high.
  • the temperature control unit is provided to control the temperature of the storage battery so as not to exceed the second temperature, which is the lower limit temperature of the high temperature state that causes the storage battery to deteriorate.
  • the temperature control unit controls the temperature of the storage battery so as to exceed the first temperature when the storage battery is charged, and controls the temperature of the storage battery so as to exceed the first temperature.
  • the temperature of the storage battery may be controlled so as not to exceed the second temperature regardless of whether the storage battery is being charged or not.
  • the temperature control unit may precool or preheat the storage battery based on the specific situation of the ambient temperature by the specific unit and the execution schedule of charging or discharging the storage battery. When the specific unit specifies that the ambient temperature is low and the storage battery is charged, the temperature control unit preheats the storage battery before charging the storage battery. May be good.
  • the temperature control unit When the specific unit specifies that the ambient temperature is high and the storage battery is charged or discharged, the temperature control unit performs the storage battery before charging or discharging the storage battery. May be precooled.
  • the temperature control unit may start precooling or preheating the storage battery based on the charging start time or the discharging start time of the storage battery.
  • the temperature control unit predicts the charging start time or the discharging start time of the storage battery, and precools the storage battery based on the predicted charging start time or discharging start time of the storage battery. Alternatively, preheating may be started.
  • the temperature control device further includes a measuring unit for measuring the temperature around the storage battery, and the specific unit has a low temperature around the storage battery based on the temperature around the storage battery measured by the measuring unit. It may be specified whether it is hot or hot.
  • the specific unit may specify whether the temperature around the storage battery is low or high based on the setting information input from the outside of the temperature control device.
  • the temperature control unit operates a heat generating device when the specific unit specifies that the ambient temperature is low, and the specific unit specifies that the ambient temperature is high.
  • the temperature of the storage battery may be controlled by operating the cooling device.
  • the storage battery may be installed inside the container, the heat generating device may be installed below the inside of the container, and the cooling device may be installed above the inside of the container.
  • the temperature control unit may control the temperature of the storage battery by using the electric power stored in the storage battery.
  • the power storage device is a power storage device controlled by the temperature control device, wherein the storage battery whose temperature is controlled by the temperature control device and the temperature around the storage battery are low.
  • the heat generating device that heats the storage battery so as to exceed the first temperature, which is the upper limit temperature of the low temperature state that causes deterioration of the storage battery, and the temperature around the storage battery are high.
  • the temperature control device specifies that the temperature control device is specified, the temperature control device includes a cooling device that cools the storage battery so as not to exceed a second temperature which is a lower limit temperature of a high temperature state that causes deterioration of the storage battery.
  • FIG. 1 is a diagram showing an outline of the power supply system S according to the present embodiment.
  • the power supply system S is a system that supplies the power stored in the storage battery 1 to the load L of the facility at the peak time when the power consumption in the facility peaks.
  • the power supply system S includes a storage battery 1, a power control device 2, a cooling device 3, a heat generating device 4, and a temperature control device 5.
  • the power control device 2 is individually provided in each facility. In the example shown in FIG. 1, the facility A is provided with the power control device 2A, and the facility B is provided with the power control device 2B.
  • the storage battery 1, the cooling device 3, the heat generating device 4, and the temperature control device 5 are loaded in the container C.
  • the container C is an aspect of the power storage device.
  • the manager of the container C can move the container C to a facility that uses the container C by means of transportation such as a truck.
  • Container C is installed in facility A in the summer and in facility B in the winter.
  • Facility A is, for example, a theme park or the like.
  • the peak period of power consumption of the load LA provided in the facility A occurs in the summer.
  • Facility B is, for example, a ski resort or the like.
  • the peak period of power consumption of the load LB provided in the facility B occurs in winter.
  • facilities A and B include facilities such as event venues where power consumption temporarily increases. May be good.
  • the storage battery 1 is, for example, a lithium ion storage battery.
  • One or more storage batteries 1 are mounted in the container C.
  • the plurality of storage batteries 1 are arranged at a predetermined distance so that air can flow between the plurality of storage batteries 1.
  • the air around the storage battery 1 circulates around the storage battery 1, and the temperature of the storage battery 1 can be easily adjusted.
  • the power control device 2 is, for example, a power conditioner, and is provided between the power system P and the storage battery 1.
  • the power control device 2 converts the power required from the power system P into DC power and stores it in the storage battery 1, and also converts the power stored in the storage battery 1 into AC power and supplies it to the load LA or the load LB. To do.
  • the cooling device 3 is, for example, an air conditioner, and is installed above the inside of the container C.
  • the heat generating device 4 is, for example, a heater, and is installed below the inside of the container C.
  • the power control device 2 charges the storage battery 1 with the power supplied from the power system P at a time zone different from the peak time zone when the power consumption peaks in the day in the facility where the power control device 2 is installed.
  • the electric power control device 2 supplies the electric power stored in the storage battery 1 to the load of the facility during the peak time zone. By doing so, the power control device 2 can suppress the peak power amount, which is the amount of power supplied from the power system P to the load during the peak time zone.
  • the basic charge of electric power supplied from the electric power system P is determined by the peak electric energy in a year. Therefore, the power control device 2 suppresses the peak electric energy, so that the basic charge can be reduced.
  • the first temperature is an upper limit temperature of the temperature range of the storage battery 1 corresponding to a low temperature state that causes deterioration of the storage battery 1, and is, for example, 0 ° C.
  • the second temperature is a lower limit temperature in the temperature range of the storage battery 1 corresponding to a high temperature state that causes deterioration of the storage battery 1, and is, for example, 40 ° C.
  • the storage battery 1 when the storage battery 1 is shared by both the facility where the peak power consumption occurs in the summer and the facility where the peak power consumption occurs in the winter as in the present embodiment, the storage battery 1 has a low temperature. There arises a problem that the storage battery 1 is liable to deteriorate due to a state or a high temperature state.
  • the temperature control device 5 of the power supply system S operates the cooling device 3 provided in the container C to bring the storage battery 1 into a high temperature state. Try not to be. Further, when the temperature around the storage battery 1 is low, the temperature control device 5 operates the heat generating device 4 provided in the container C to prevent the storage battery 1 from becoming in a low temperature state. By doing so, the temperature control device 5 can suppress the deterioration of the storage battery 1.
  • FIG. 2 is a diagram showing a configuration of a temperature control device 5 according to the present embodiment.
  • the temperature control device 5 includes a communication unit 51, a storage unit 52, and a control unit 53.
  • the temperature control device 5 is, for example, a computer.
  • the communication unit 51 is, for example, a communication interface for communicating with an external device.
  • the storage unit 52 is a storage medium including a ROM (Read Only Memory), a RAM (Random Access Memory), and the like.
  • the storage unit 52 stores a program executed by the control unit 53.
  • the storage unit 52 stores a temperature control program that causes the temperature control device 5 to function as the measurement unit 531, the specific unit 532, and the temperature control unit 533.
  • the control unit 53 is, for example, a CPU (Central Processing Unit).
  • the control unit 53 functions as the measurement unit 531, the specific unit 532, and the temperature control unit 533 by executing the temperature control program stored in the storage unit 52.
  • the measuring unit 531 measures the ambient temperature of the storage battery 1.
  • the temperature control device 5 is connected to a temperature sensor provided in the vicinity of the storage battery 1.
  • the measuring unit 531 measures the ambient temperature of the storage battery 1 by acquiring the temperature information indicating the temperature measured by the temperature sensor from the temperature sensor.
  • the identification unit 532 specifies whether the ambient temperature of the storage battery 1 is low or high.
  • the specifying unit 532 specifies whether the ambient temperature of the storage battery 1 is low or high based on the ambient temperature of the storage battery 1 measured by the measuring unit 531.
  • the specific unit 532 specifies whether the ambient temperature of the storage battery 1 is low or high based on the ambient temperature of the storage battery 1 measured by the measurement unit 531, but the present invention is not limited to this.
  • the identification unit 532 may specify whether the temperature around the storage battery 1 is low or high based on the setting information input from the outside of the temperature control device 5.
  • the specific unit 532 uses mode information indicating the operation mode of the temperature control device 5 as setting information from a terminal (not shown) operated by the administrator who manages the storage battery 1 via the communication unit 51. get.
  • the operation mode includes a cooling mode and a heating mode.
  • the specific unit 532 identifies that the ambient temperature of the storage battery 1 is low when the mode information indicates the cooling mode, and identifies that the ambient temperature of the storage battery 1 is high when the mode information indicates the heating mode. To do.
  • the temperature control unit 533 controls the temperature of the storage battery 1 based on the specific situation of the ambient temperature by the specific unit 532 and the relationship between the temperature and the deterioration of the storage battery 1.
  • the relationship between the temperature and deterioration of the storage battery 1 as described above, there is a problem that the storage battery 1 deteriorates when used in a low temperature state which is a temperature lower than the first temperature or a high temperature state which is a temperature higher than the second temperature. There is. Therefore, it is desirable to preheat or precool when charging and discharging.
  • FIG. 3 is a table showing whether preheating or precooling is necessary for the combination of the state of the storage battery 1 and the state of the ambient temperature of the storage battery 1. As shown in FIG. 3, when the ambient temperature of the storage battery 1 is low, preheating is required when charging is performed. Further, when the ambient temperature of the storage battery 1 is high, precooling is required at the time of charging or discharging.
  • the temperature control unit 533 may precool or preheat the storage battery 1 based on the specific situation of the ambient temperature by the specific unit 532 and the execution schedule of charging or discharging the storage battery 1.
  • the temperature control unit 533 predicts the charging start time or the discharging start time of the storage battery 1, and precools the storage battery 1 based on the predicted charging start time or the discharging start time of the storage battery 1. Alternatively, preheating may be started.
  • preheating may be started.
  • the temperature control unit 533 operates the heat generating device 4 with the electric power supplied from the electric power system P via the electric power control device 2 to operate the container.
  • the temperature inside C is controlled so that the temperature of the storage battery 1 exceeds the first temperature.
  • the temperature control unit 533 sets the heat generating device 4 so that the temperature of the storage battery 1 exceeds the first temperature when the storage battery 1 is charged when the specific unit 532 specifies that the ambient temperature is low. It is operated to control the temperature of the storage battery 1. Further, the temperature control unit 533 preheats the storage battery 1 before charging the storage battery 1 when the specific unit 532 specifies that the ambient temperature is low and the storage battery 1 is charged. Therefore, the temperature of the storage battery 1 is controlled so that the temperature of the storage battery 1 exceeds the first temperature at the start of charging of the storage battery 1.
  • the temperature control unit 533 acquires the storage history information indicating the past charging status of the storage battery 1 managed by the power control device 2 from the power control device 2 via the communication unit 51.
  • the storage history information includes the charging start time when the storage battery 1 has been charged in the past.
  • the temperature control unit 533 predicts the charging start time based on the tendency of the charging start time of the storage battery 1 in the past. Then, the temperature control unit 533 starts the operation of the heat generating device 4 before the predicted charging start time, and starts the preheating of the storage battery 1.
  • the temperature control unit 533 may acquire information indicating the scheduled charging start time from the power control device 2. Then, the temperature control unit 533 may control the operation of the heat generating device 4 based on the scheduled charging start time and the ambient temperature of the storage battery 1 measured by the measuring unit 531.
  • the temperature control unit 533 operates the heat generating device 4 at the maximum output at a predetermined time before the scheduled charging start time, and controls the temperature of the storage battery 1 to exceed the first temperature before the scheduled charging start time. To do. After that, the temperature control unit 533 controls the output of the heat generating device 4 so that the temperature of the storage battery 1 does not fall below the first temperature until the charging of the storage battery 1 is completed.
  • the temperature control unit 533 may operate the heat generating device 4 when the storage battery 1 is discharged to control the temperature of the storage battery 1. ..
  • the temperature control unit 533 may control the temperature of the storage battery 1 by operating the heat generating device 4 so that the temperature of the storage battery 1 exceeds the third temperature when the storage battery 1 is discharged, based on the discharge start time. By doing so, the temperature control device 5 can suppress that the temperature of the storage battery 1 becomes lower than the third temperature at the time of discharge, and the efficiency is significantly lowered.
  • the temperature control unit 533 operates the cooling device 3 by the electric power supplied from the electric power system P via the electric power control device 2 when the specific unit 532 specifies that the ambient temperature is high. As a result, the temperature control unit 533 controls the temperature inside the container C so that the temperature of the storage battery 1 does not exceed the second temperature.
  • the temperature control unit 533 controls the temperature of the storage battery 1 so that the second temperature is not exceeded when the storage battery 1 is charged or discharged when the specific unit 532 specifies that the ambient temperature is high. ..
  • the temperature control unit 533 specifies that the ambient temperature of the storage battery 1 is high, and when the storage battery 1 is charged or discharged, before charging or discharging the storage battery 1.
  • the cooling device 3 is operated to precool the storage battery 1.
  • the temperature control unit 533 acquires the storage history information indicating the past charge status of the storage battery 1 managed by the power control device 2 from the power control device 2 via the communication unit 51, and also acquires the past discharge status. Acquires discharge history information indicating.
  • the discharge history information includes the discharge start time when the storage battery 1 started discharging in the past.
  • the temperature control unit 533 predicts the charge start time based on the tendency of the charge start time of the storage battery 1 in the past, and predicts the discharge start time based on the tendency of the discharge start time of the storage battery 1 in the past.
  • the temperature control unit 533 starts the operation of the heat generating device 4 at a predetermined time before the predicted charging start time and discharging start time, and starts the precooling of the storage battery 1.
  • the temperature of the storage battery 1 may exceed the second temperature even if the ambient temperature of the storage battery 1 measured by the measuring unit 531 is equal to or lower than the second temperature. Therefore, the measuring unit 531 may measure not only the ambient temperature of the storage battery 1 but also the temperature of the storage battery 1. Then, the temperature control unit 533 may control the temperature of the storage battery 1 so that the temperature of the storage battery 1 does not exceed the second temperature. In this case, a temperature sensor is provided inside the storage battery 1. The measuring unit 531 measures the temperature of the storage battery 1 by acquiring the temperature information indicating the temperature measured by the temperature sensor from the temperature sensor.
  • the temperature control unit 533 changes the operation of the cooling device 3 based on whether or not the storage battery 1 is in the charge / discharge state when the specific unit 532 specifies that the ambient temperature is high. You may. For example, the temperature control unit 533 may operate the cooling device 3 so that the temperature around the storage battery 1 does not exceed the second temperature when the storage battery 1 is not in the charge / discharge state. When the storage battery 1 is in the charge / discharge state, the temperature control unit 533 may operate the cooling device 3 so that the ambient temperature of the storage battery 1 does not exceed the fourth temperature lower than the second temperature. By doing so, the temperature control device 5 can control the temperature of the storage battery 1 in consideration of heat generation during charging / discharging of the storage battery 1.
  • the temperature control unit 533 may control the temperature of the storage battery 1 so as not to always exceed the second temperature when the specific unit 532 specifies that the ambient temperature is high. By doing so, the temperature control device 5 can prevent the storage battery 1 from deteriorating when the storage battery 1 is not charged or discharged.
  • FIG. 4 is a flowchart showing a processing flow in the temperature control device 5 according to the present embodiment.
  • the measuring unit 531 measures the ambient temperature of the storage battery 1 (S1). Subsequently, the specific unit 532 determines whether the ambient temperature of the storage battery 1 is low (S2). When the specific unit 532 determines that the ambient temperature of the storage battery 1 is low, the processing is transferred to S3. When the specific unit 532 determines that the ambient temperature of the storage battery 1 is not low, the process is transferred to S4.
  • the temperature control unit 533 controls the temperature of the storage battery 1 so that the temperature of the storage battery 1 exceeds the first temperature.
  • the specific unit 532 determines whether the temperature around the storage battery 1 is high. When the specific unit 532 determines that the ambient temperature of the storage battery 1 is high, the processing is transferred to S5. When the specific unit 532 determines that the ambient temperature of the storage battery 1 is not high, the process according to this flowchart ends. In S5, the temperature control unit 533 controls the temperature of the storage battery 1 so that the temperature of the storage battery 1 does not exceed the second temperature.
  • the container C is equipped with the cooling device 3 and the heating device 4, and the temperature control device 5 controls the temperature of the storage battery 1 by controlling the cooling device 3 and the heating device 4.
  • the container C may be provided with a temperature adjusting device such as an air conditioner which has a cooling function and a heat generating function and functions as a cooling device and a heat generating device.
  • the container C may be provided with an elevating means capable of adjusting the position of the temperature adjusting device. Then, when the specific unit 532 specifies that the ambient temperature of the storage battery 1 is low, the temperature control device 5 controls the elevating means to move the temperature adjusting device above the container C to move the temperature adjusting device to the upper part of the container C. When the specific unit 532 specifies that the temperature is high, a movement control unit that controls the elevating means to move the temperature adjusting device below the container C may be provided. By doing so, the temperature control device 5 and the movement control unit can improve the cooling effect and the heating effect in the container C.
  • the temperature control device 5 is provided inside the container C, but the present invention is not limited to this.
  • a temperature control device 5 is provided outside the container C, and the container C has a storage battery 1, a cooling device 3, a heat generating device 4, and a communication device, and serves as a power storage device controlled by the temperature control device 5. It may be made to work.
  • the communication device transmits the temperature information indicating the ambient temperature of the storage battery 1 to the temperature control device 5, and receives the control signals of the cooling device 3 and the heat generating device 4 from the temperature control device 5. Then, the temperature control device 5 can control the temperature of the storage battery 1 by acquiring the temperature information via the communication device and remotely controlling the cooling device 3 and the heat generating device 4 based on the temperature information. Good.
  • the temperature control unit 533 controlled the temperature of the storage battery 1 by operating the cooling device 3 and the heat generating device 4 using the electric power supplied from the electric power system P via the electric power control device 2. Not exclusively.
  • the temperature control unit 533 may operate the cooling device 3 and the heat generating device 4 by using the electric power stored in the storage battery 1. For example, when the amount of electricity stored in the storage battery 1 is larger than the amount of discharge discharged during peak hours, the temperature control unit 533 uses the electric power stored in the storage battery 1 to cool the cooling device 3 and the heat generating device 4. May be operated. By doing so, the temperature control device 5 can further reduce the amount of power used from the power system P during peak hours.
  • the storage battery 1 is provided in the facility for the purpose of suppressing the peak electric energy which is the electric energy supplied to the load from the electric power system P during the peak time period, but the present invention is not limited to this.
  • the storage battery 1 is made to function as a virtual power plant (VPP: Virtual Power Plant) in a time zone different from the peak time zone, and the stored power is used to adjust the supply and demand of the power system P or to be stored. Electricity may be supplied to an electric power retail company. By doing so, the storage battery 1 can be effectively used in a time zone different from the peak time zone.
  • VPP Virtual Power Plant
  • the temperature control device 5 has a first temperature that is an upper limit temperature in a low temperature state that causes deterioration of the storage battery 1 when the ambient temperature of the storage battery 1 is specified to be low.
  • the temperature of the storage battery 1 is controlled so as to exceed the temperature.
  • the temperature control device 5 specifies that the ambient temperature is high, the temperature control device 5 controls the temperature of the storage battery 1 so as not to exceed the second temperature, which is the lower limit temperature of the high temperature state that causes deterioration of the storage battery 1. By doing so, the temperature control device 5 can suppress the deterioration of the storage battery 1.
  • the storage battery 1 is mounted on the container C so that it can be moved, and power can be supplied from the storage battery 1 during the peak period when the power consumption in the facility is maximum. It is possible to reduce the maximum amount of power received from the power system P without reducing the amount of power used during the peak period in. As a result, in the facility, the amount of electric power received from the electric power system P during the peak period can be reduced, and the electric power charge can be reduced.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Secondary Cells (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Dispositif de climatisation 5 comprenant : une unité de détermination 532 permettant de déterminer si la température de l'environnement d'un accumulateur 1 est une température basse ou élevée ; et une unité de climatisation 533 permettant de réguler la température de l'accumulateur 1 de manière à dépasser une première température, qui est la température de limite supérieure d'un état à basse température de détérioration de l'accumulateur 1, lorsque la température de l'environnement est déterminée comme étant une température basse par l'unité de détermination 532, et permettant de réguler la température de l'accumulateur 1 de manière à ne pas dépasser une seconde température, qui est la température de limite inférieure d'un état à température élevée de détérioration de l'accumulateur 1, lorsque la température de l'environnement est déterminée comme étant une température élevée par l'unité de détermination 532.
PCT/JP2020/042517 2019-11-26 2020-11-13 Dispositif de climatisation et dispositif de stockage d'électricité WO2021106639A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-212981 2019-11-26
JP2019212981A JP2021087247A (ja) 2019-11-26 2019-11-26 温度制御装置及び蓄電装置

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WO2021106639A1 true WO2021106639A1 (fr) 2021-06-03

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JP2022059568A (ja) * 2021-08-26 2022-04-13 東京瓦斯株式会社 空調機器制御方法及び空調機器制御プログラム

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