CN116350972A - Fire control method and device for household distributed energy storage battery - Google Patents

Fire control method and device for household distributed energy storage battery Download PDF

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Publication number
CN116350972A
CN116350972A CN202310640227.1A CN202310640227A CN116350972A CN 116350972 A CN116350972 A CN 116350972A CN 202310640227 A CN202310640227 A CN 202310640227A CN 116350972 A CN116350972 A CN 116350972A
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fire
threshold
current temperature
fighting
equal
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CN116350972B (en
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施敏捷
李虎诚
宋久福
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Suzhou Jingkong Energy Technology Co ltd
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Suzhou Jk Energy Ltd
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/04—Control of fire-fighting equipment with electrically-controlled release
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Management (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Public Health (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

The invention relates to a fire control method and a fire control device for a household distributed energy storage battery, wherein the fire control method and the fire control device comprise the steps of obtaining the current temperature in a distributed battery box; judging whether the current temperature is greater than or equal to a first threshold value; and if the current temperature is greater than or equal to the first threshold value, sending a wake-up instruction to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device and enable the fire-fighting device to be in a standby state. The distributed fire-fighting modules are adopted, are respectively responsible for fire fighting in the battery box, are not interfered by external systems, and are convenient for the expansion of the household distributed energy storage system; meanwhile, the requirements of fire protection on a sensing end are reduced, the hardware structure is simplified, the standby power consumption of the fire protection device is reduced, the service life of the energy storage system is prolonged, and the household distributed energy storage popularization and application are facilitated.

Description

Fire control method and device for household distributed energy storage battery
Technical Field
The invention relates to the field of power management, in particular to a fire control method and device for a household distributed energy storage battery.
Background
In energy storage systems, safety has been a major concern. Particularly, the stability and safety of a large energy storage system are always research hot spots; for example, monitoring strategies for battery thermal runaway, theoretical models for battery thermal runaway, and the like.
After the thermal runaway happens, a fire control device in the energy storage system starts to work to eliminate the condition of extinguishing the fire by open fire, and the thermal runaway of the battery box is controlled to continue to spread so as to generate a chain reaction. A battery fire control management system and a battery, such as described in patent 202211323591.7, which are added with a fire monitoring controller and a hot aerosol fire extinguishing device, realize the identification of abnormal parameters of a lithium battery in thermal runaway and early fire control early warning and fire extinguishing control functions; for example, a fire control system, a fire charging and exchanging station and a fire control method in a charging and exchanging station described in patent 202111376557.1 are disclosed, wherein each fire extinguishing spraying port is arranged in a battery pack, fire is directly extinguished in the battery pack, and meanwhile, a detection subsystem is connected to a control subsystem through a communication interface so as to control a fire extinguishing device.
Although the above technologies all attempt to perform fire protection in a battery pack, not only a large-scale hardware support of a sensing detection mode (such as a smoke detection device) is required to be configured, but also a fire protection device is required to be prepared to perform fire protection at any time; for the household distributed energy storage device, the hardware in the battery box is relatively simplified, the battery box needs to be maintained and replaced after the fire fighting is performed, and the long-time detection and standby of the sensor device or the fire fighting device consume the electric quantity of household energy storage, so that the low-power consumption high-standby duration scene of a household scene is not facilitated. The present application aims to solve the above-mentioned problems.
Disclosure of Invention
To achieve the above and other advantages and in accordance with the purpose of the present invention, a first object of the present invention is to provide a fire control method of a distributed energy storage battery for a user, comprising the steps of:
acquiring the current temperature Tx in the distributed battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting device is in a standby state, a wake-up instruction is sent to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And sending a fire-fighting instruction to the fire-fighting devices in the distributed battery boxes so as to configure the fire-fighting devices to execute fire-fighting on the distributed battery boxes.
Preferably, when the fire protection device wakes up and is in a standby state, the method further comprises the steps of:
if the current temperature Tx is less than the second threshold T within the set first time period C1 2 Judging that the current temperature Tx is greater than or equal to the first threshold T 1 ；
If the current temperature Tx is less than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state.
Preferably, when the fire protection device wakes up and is in a standby state, the method further comprises the steps of:
if the current temperature Tx is less than the second threshold T within the set first time period C1 2 Judging that the current temperature Tx is greater than or equal to the third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 ；
If the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device.
A second object of the present invention is to provide a computer readable storage medium having stored thereon program instructions that when executed implement a household distributed energy storage battery fire control method.
A third object of the present invention is to provide an electronic apparatus including: a processor and a memory for storing one or more programs; and when the one or more programs are executed by the processor, implementing a household distributed energy storage battery fire control method.
A fourth object of the present invention is to provide a fire control device for a household distributed energy storage battery, comprising:
an acquisition unit configured to acquire a current temperature Tx in the distributed battery box;
a processing unit for judging whether the current temperature is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting device is in a standby state, a wake-up instruction is sent to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device; judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the second threshold T 2 And sending a fire-fighting instruction to the fire-fighting devices in the distributed battery boxes so as to configure the fire-fighting devices to execute fire-fighting on the distributed battery boxes.
Preferably, when the fire-fighting device wakes up and is in a standby state, the processing unit is further configured to compare the current temperature Tx with the second threshold T within the set first time period C1 2 The current temperature Tx is less than the second threshold T 2 Judging that the current temperature Tx is greater than or equal to the first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is less than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state.
Preferably, when the fire-fighting device wakes up and is in a standby state, the processing unit is further configured to compare the current temperature Tx with the second threshold T within the set first time period C1 2 The current temperature Tx is less than the second threshold T 2 Judging that the current temperature Tx is greater than or equal to the third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the third threshold T 3 Then the first time period C1 is prolonged to prolong the standby state of the fire-fighting deviceHold time.
A fifth object of the present invention is to provide a battery box comprising: the device comprises a battery module, a temperature control module and a fire control module; wherein,,
the battery module comprises a plurality of energy storage battery packs which are connected in series and parallel, and is used for storing or releasing electric energy;
the fire protection module is used for executing fire protection on the energy storage battery pack;
the temperature control module is configured to execute the following control method:
acquiring the current temperature Tx in the battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting module is in a standby state, a wake-up instruction is sent to the fire-fighting module to wake up the fire-fighting module;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And when the fire control module is in operation, a fire control instruction is sent to the fire control module to configure the fire control module to execute fire control.
A sixth object of the present invention is to provide a battery system including: a high-voltage control box and a plurality of battery boxes which are mutually connected in series; wherein,,
the high-voltage control box is used for managing the input and output of the voltage and the current of the battery system;
the battery box comprises a battery module, a temperature control module and a fire control module; wherein,,
the battery module comprises a plurality of energy storage battery packs which are connected in series and parallel, and is used for storing or releasing electric energy;
the fire protection module is used for executing fire protection on the energy storage battery pack;
the temperature control module is configured to execute the following control method:
acquiring the current temperature Tx in the battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If when it isThe front temperature Tx is greater than or equal to a first threshold T 1 When the fire-fighting module is in a standby state, a wake-up instruction is sent to the fire-fighting module to wake up the fire-fighting module;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And when the fire control module is in operation, a fire control instruction is sent to the fire control module to configure the fire control module to execute fire control.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a fire control method of a household distributed energy storage battery, which comprises the steps of obtaining the current temperature in a distributed battery box; judging whether the current temperature is greater than or equal to a first threshold value; and if the current temperature is greater than or equal to the first threshold value, sending a wake-up instruction to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device and enable the fire-fighting device to be in a standby state. The distributed fire-fighting modules are adopted, are respectively responsible for fire fighting in the battery box, are not interfered by external systems, and are convenient for the expansion of the household distributed energy storage system; meanwhile, the requirements of fire protection on a sensing end are reduced, the hardware structure is simplified, the standby power consumption of the fire protection device is reduced, the service life of the energy storage system is prolonged, and the household distributed energy storage popularization and application are facilitated.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a fire control method of a household distributed energy storage battery in embodiment 1;
FIG. 2 is a schematic diagram of a fire control method of a household distributed energy storage battery in embodiment 1;
FIG. 3 is a schematic diagram of the electronic device in example 2;
FIG. 4 is a schematic diagram of a fire control device for a household distributed energy storage battery in example 4;
FIG. 5 is a schematic diagram of a battery system of the present application;
fig. 6 is a schematic diagram of a second structure of the battery system of the present application;
fig. 7 is a partial schematic structural view of the battery system of the present application;
fig. 8 is a schematic structural view of the battery box of the present application;
FIG. 9 is a schematic diagram of the electrified construction of the battery system of the present application;
FIG. 10 is a schematic circuit diagram of a temperature control module according to some embodiments of the present application;
fig. 11 is a schematic circuit diagram of a temperature control module according to other embodiments of the present application.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
The following examples are provided to illustrate the invention in more detail.
Example 1
As shown in fig. 1, the fire control method of the household distributed energy storage battery comprises the following steps:
s101, acquiring the current temperature Tx in a distributed battery box;
s102, judging whether the current temperature is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the In some embodiments, the current temperature Tx may be obtained and determined by being temperature sensitive Electronic components of (a); for example, as shown in fig. 10, the fuse FU1 and the resistor R1 are connected in parallel to each other to constitute acquisition and judgment of the current temperature Tx; when the fusing temperature of the fuse FU1 is reached, the point position P C The voltage value of (2) is changed to obtain and judge the temperature; as another example, as shown in fig. 11, a thermistor R of negative temperature coefficient NTC1 The resistor R1 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC1 Resistance value of (C) changes with it, point position P C The voltage value of (2) is changed to obtain and judge the temperature.
S103, if the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting device is in a standby state, a wake-up instruction is sent to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device; s107, if the current temperature Tx is smaller than the second threshold T 2 And when the fire fighting device is in a dormant state, the fire fighting device is kept in a dormant state. In some embodiments, a first threshold T 1 Can be configured to 120 ℃ and point position P when the current temperature Tx reaches above 120 DEG C C The voltage value of the fire protection device reaches the wake-up of the fire protection device, so that a wake-up instruction is formed, and the fire protection device is switched from the dormant state to the standby state after receiving the wake-up instruction so as to wait for further instructions. In some embodiments, the fuse FU1 has a fuse temperature of 120deg.C, and is fused after reaching a point P C In the embodiment, after the fuse FU1 is fused, a new fuse needs to be replaced to form a wake-up instruction again, and the battery box is checked in time to eliminate potential risks; in other preferred embodiments, the thermistor R NTC1 When reaching 120 ℃, point position P C The voltage value of the (a) reaches the voltage value for triggering formation of a wake-up instruction; when the temperature drops, it can be triggered again to be reused.
S104, judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the In some embodiments, the second threshold T 2 Configured to 180 ℃, when the current temperature Tx reaches 180 ℃, as a condition for turning on the fire protection device.
S105, ifThe current temperature Tx is greater than or equal to the second threshold T 2 And sending a fire-fighting instruction to the fire-fighting devices in the distributed battery boxes so as to configure the fire-fighting devices to execute fire-fighting on the distributed battery boxes. S106, if the current temperature Tx is smaller than the second threshold T 2 When the fire is not performed. In some embodiments, as shown in connection with fig. 10 and 11, the point position P is reached when the heat-sensitive wire harness equivalent resistance RS1 reaches 180 °c E The voltage value of the fire control command reaches the voltage value for triggering and forming the fire control command; the fire-fighting device in the standby state is configured to perform fire-fighting on the distributed battery box, so that the spread of thermal runaway is avoided.
In some embodiments, as shown in fig. 2, when the fire protection device wakes up and is in a standby state, the method further includes the steps of:
s201, if the current temperature Tx is less than the second threshold T within the set first time period C1 2 ；
S202, judging whether the current temperature Tx is greater than or equal to a first threshold T 1 ；
S203, if the current temperature Tx is smaller than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state. In the present embodiment, the first time period C1 is set to be 5min, and the temperature within 5min is not set by the first threshold T 1 Rising to a second threshold T 2 Judging whether the current temperature Tx is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the The current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in FIG. 11, a negative temperature coefficient thermistor R NTC1 The resistor R1 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC1 Resistance value of (C) changes with it, point position P C The voltage value of the fire-fighting device is changed to acquire and judge the temperature, and if the current temperature Tx is lower than 120 ℃, a wake-up instruction of the fire-fighting device cannot be received, the fire-fighting device is configured to enter a dormant state so as to save energy consumption. In this embodiment, after the fire-fighting device is awakened, monitoring is continued if the temperature does not reach the second threshold T 2 Then by and with a first threshold T 1 Comparison returns to sleep state to achieve dynamic stateFlexible switching between awake and sleep. More preferably, in some embodiments, to prevent the fire protection device from being in a sleep state for an extended period of time, a second period of time C2, such as 24hours, or a complete charge-discharge cycle; specifically, the resistor R1 is an adjustable resistor, and the point position P is formed by adjusting the resistor R1 C When the voltage value triggering formation of the wake-up instruction is reached, the thermistor R NTC1 The temperature triggering the fire fighting device to send out the wake-up instruction is not reached, and the fire fighting device enters a dormant state after the standby of the first time period C1 is executed, so that the availability of the fire fighting device is ensured.
In some embodiments, as shown in fig. 2, when the fire protection device wakes up and is in a standby state, the method further includes the steps of:
s201, if the current temperature Tx is less than the second threshold T within the set first time period C1 2 ；
S204, judging that the current temperature Tx is greater than or equal to a third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 ；
S205, if the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device. In the present embodiment, the first time period C1 is set to be 5min, and the temperature within 5min is not set by the first threshold T 1 Rising to a second threshold T 2 Judging whether the current temperature Tx is greater than or equal to a third threshold T 3 (e.g., 150 ℃ C.); the current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in fig. 10, the fuse FU2 and the resistor R2 are connected in parallel to each other, so as to obtain and judge the current temperature Tx; when the fusing temperature of the fuse FU2 is reached (150 ℃ C., for example), point position P D The voltage value of (2) is changed to obtain and judge the temperature; as another example, as shown in fig. 11, a thermistor R of negative temperature coefficient NTC2 The resistor R2 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC2 Resistance value of (C) changes with it, point position P D The voltage value of (2) is changed to obtain and judge the temperature, if the current temperature Tx is at the first temperatureTwo threshold T 2 And a third threshold T 3 In between, the first time period C1 is extended, for example, the first time period C1 is extended to 10min, thereby increasing the standby state maintaining time of the fire fighting device.
In some preferred embodiments, as shown in fig. 2, when the fire protection device wakes up and is in a standby state, the method further comprises the steps of:
s201, if the current temperature Tx is less than the second threshold T within the set first time period C1 2 ；
S202, judging whether the current temperature Tx is greater than or equal to a first threshold T 1 ；
S203, if the current temperature Tx is smaller than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state.
S204, if the current temperature Tx is greater than or equal to the first threshold T 1 When in use; judging that the current temperature Tx is more than or equal to a third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 ；
S205, if the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device.
In the present embodiment, the first time period C1 is set to be 5min, and the temperature within 5min is not set by the first threshold T 1 Rising to a second threshold T 2 Judging whether the current temperature Tx is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the The current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in FIG. 11, a negative temperature coefficient thermistor R NTC1 The resistor R1 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC1 Resistance value of (C) changes with it, point position P C The voltage value of the fire-fighting device is changed to acquire and judge the temperature, and if the current temperature Tx is lower than 120 ℃, a wake-up instruction of the fire-fighting device cannot be received, the fire-fighting device is configured to enter a dormant state so as to save energy consumption. If the current temperature Tx is still greater than or equal to the first threshold T 1 Judging whether the current temperature Tx is greater than or equal to a third threshold T 3 (e.g., 150 ℃ C.); the current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in FIG. 11, a negative temperature coefficient thermistor R NTC2 The resistor R2 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC2 Resistance value of (C) changes with it, point position P D The voltage value of (2) is changed to obtain and judge the temperature, if the current temperature Tx is at the second threshold value T 2 And a third threshold T 3 In between, the first time period C1 is extended, for example, the first time period C1 is extended to 10min, thereby increasing the standby state maintaining time of the fire fighting device.
Example 2
As shown in fig. 3, an electronic device includes: a processor 23 and a memory 21, the memory 21 for storing one or more programs; when one or more programs are executed by the processor 23, a method of fire control of a consumer distributed energy storage battery as in embodiment 1 is implemented. In this embodiment, the electronic device further includes a communication interface 22 for receiving and transmitting data; bus 24 for communicating data within the electronic device.
Example 3
A computer readable storage medium having stored thereon program instructions that when executed implement the household distributed energy storage battery fire control method of embodiment 1.
Example 4
As shown in fig. 4, a fire control device 300 for a household distributed energy storage battery includes:
an acquisition unit 301 configured to acquire a current temperature Tx in the distributed battery box;
a processing unit 302 for determining whether the current temperature is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting device is in a standby state, a wake-up instruction is sent to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device; judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than the firstA threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the second threshold T 2 And sending a fire-fighting instruction to the fire-fighting devices in the distributed battery boxes so as to configure the fire-fighting devices to execute fire-fighting on the distributed battery boxes.
In some embodiments, the current temperature Tx may be obtained and determined by temperature sensitive electronic components; for example, as shown in fig. 10, the fuse FU1 and the resistor R1 are connected in parallel, the fuse FU2 and the resistor R2 are connected in parallel, and the thermosensitive harness equivalent resistor RS1 constitutes the acquisition and judgment of the current temperature Tx; when the fusing temperature (e.g., 120 ℃) of the fuse FU1 is reached, point position P C The voltage value of (2) is changed to form first acquisition and judgment of temperature; when the fusing temperature of the fuse FU2 is reached (150 ℃ C., for example), point position P D The voltage value of (2) is changed to form second acquisition and judgment of the temperature; the acquisition temperature of the equivalent resistance RS1 of the thermosensitive harness reaches 180 ℃, and the point position P E The voltage value of (2) is changed to form third acquisition and judgment of the temperature.
As another example, as shown in fig. 11, a thermistor R of negative temperature coefficient NTC1 Thermistor R with negative temperature coefficient connected in parallel with resistor R1 NTC2 The thermistor R2 is connected in parallel with the thermistor R1 to form a thermistor harness equivalent resistor RS1 for acquiring and judging the current temperature Tx; when the temperature changes, the thermistor R NTC1 Resistance value of (C) changes with it, point position P C The voltage value of (2) is changed to form the first acquisition and judgment of the temperature. When the temperature continues to rise, the thermistor R NTC2 Resistance value of (a) continuously changes to point P D The voltage value of (2) is changed to form second acquisition and judgment of the temperature; the acquisition temperature of the equivalent resistance RS1 of the thermosensitive harness reaches 180 ℃, and the point position P E The voltage value of (2) is changed to form third acquisition and judgment of the temperature.
In some embodiments, a first threshold T 1 Can be configured to 120 ℃ and point position P when the current temperature Tx reaches above 120 DEG C C The voltage value of the fire protection device reaches the wake-up of the fire protection device, so that a wake-up instruction is formed, and the fire protection device is switched from the dormant state to the standby state after receiving the wake-up instruction so as to wait for further instructions. In some embodiments, the fuse FU1 has a fuse temperature of 120deg.C, and is fused after reaching a point P C In the embodiment, after the fuse FU1 is fused, a new fuse needs to be replaced to form a wake-up instruction again, and the battery box is checked in time to eliminate potential risks; in other preferred embodiments, the thermistor R NTC1 When reaching 120 ℃, point position P C The voltage value of the (a) reaches the voltage value for triggering formation of a wake-up instruction; when the temperature drops, it can be triggered again to be reused. When the equivalent resistance RS1 of the thermosensitive wire harness reaches 180 ℃, the point position P E The voltage value of the fire control command reaches the voltage value for triggering and forming the fire control command; the fire-fighting device in the standby state is configured to perform fire-fighting on the distributed battery box, so that the spread of thermal runaway is avoided.
In some embodiments, when the fire-fighting device wakes up and is in a standby state, if the current temperature Tx is less than the second threshold T within the set first time period C1 2 The method comprises the steps of carrying out a first treatment on the surface of the Judging whether the current temperature Tx is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is less than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state. In the present embodiment, the first time period C1 is set to be 5min, and the temperature within 5min is not set by the first threshold T 1 Rising to a second threshold T 2 Judging whether the current temperature Tx is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the The current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in FIG. 11, a negative temperature coefficient thermistor R NTC1 The resistor R1 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC1 Resistance value of (C) changes with it, point position P C The voltage value of the fire-fighting device is changed to acquire and judge the temperature, and if the current temperature Tx is lower than 120 ℃, a wake-up instruction of the fire-fighting device cannot be received, the fire-fighting device is configured to enter a dormant state so as to save energy consumption. In this embodiment, after the fire-fighting device is awakened, monitoring is continued if the temperature does not reach the second threshold T 2 Then by and with the firstThreshold T 1 The comparison returns to the sleep state to achieve flexible switching of dynamic wake-up and sleep. More preferably, in some embodiments, to prevent the fire protection device from being in a sleep state for an extended period of time, a second period of time C2, such as 24hours, or a complete charge-discharge cycle; specifically, the resistor R1 is an adjustable resistor, and the point position P is formed by adjusting the resistor R1 C When the voltage value triggering formation of the wake-up instruction is reached, the thermistor R NTC1 The temperature triggering the fire fighting device to send out the wake-up instruction is not reached, and the fire fighting device enters a dormant state after the standby of the first time period C1 is executed, so that the availability of the fire fighting device is ensured.
In some embodiments, when the fire-fighting device wakes up and is in a standby state, if the current temperature Tx is less than the second threshold T within the set first time period C1 2 The method comprises the steps of carrying out a first treatment on the surface of the Judging that the current temperature Tx is more than or equal to a third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device. In the present embodiment, the first time period C1 is set to be 5min, and the temperature within 5min is not set by the first threshold T 1 Rising to a second threshold T 2 Judging whether the current temperature Tx is greater than or equal to a third threshold T 3 (e.g., 150 ℃ C.); the current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in fig. 10, the fuse FU2 and the resistor R2 are connected in parallel to each other, so as to obtain and judge the current temperature Tx; when the fusing temperature of the fuse FU2 is reached (150 ℃ C., for example), point position P D The voltage value of (2) is changed to obtain and judge the temperature; as another example, as shown in fig. 11, a thermistor R of negative temperature coefficient NTC2 The resistor R2 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC2 Resistance value of (C) changes with it, point position P D The voltage value of (2) is changed to obtain and judge the temperature, if the current temperature Tx is at the second threshold value T 2 And a third threshold T 3 Between which the first time period is prolongedC1, for example, extends the first time period C1 to 10 minutes, thereby increasing the hold time of the standby state of the fire protection device.
In some preferred embodiments, when the fire-fighting device wakes up and is in a standby state, if the current temperature Tx is less than the second threshold T within the set first time period C1 2 The method comprises the steps of carrying out a first treatment on the surface of the Judging whether the current temperature Tx is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is less than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state. If the current temperature Tx is greater than or equal to the first threshold T 1 When in use; judging that the current temperature Tx is more than or equal to a third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device. In the present embodiment, the first time period C1 is set to be 5min, and the temperature within 5min is not set by the first threshold T 1 Rising to a second threshold T 2 Judging whether the current temperature Tx is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the The current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in FIG. 11, a negative temperature coefficient thermistor R NTC1 The resistor R1 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC1 Resistance value of (C) changes with it, point position P C The voltage value of the fire-fighting device is changed to acquire and judge the temperature, and if the current temperature Tx is lower than 120 ℃, a wake-up instruction of the fire-fighting device cannot be received, the fire-fighting device is configured to enter a dormant state so as to save energy consumption. If the current temperature Tx is still greater than or equal to the first threshold T 1 Judging whether the current temperature Tx is greater than or equal to a third threshold T 3 (e.g., 150 ℃ C.); the current temperature Tx at the moment can be obtained and judged through the temperature-sensitive electronic components; for example, as shown in FIG. 11, a negative temperature coefficient thermistor R NTC2 The resistor R2 is connected in parallel with each other to form the acquisition and judgment of the current temperature Tx; when the temperature changes, the thermistor R NTC2 Resistance value of (C) changes with it, point position P D The voltage value of (2) is changed to obtain and judge the temperature, if the current temperature Tx is at the second threshold value T 2 And a third threshold T 3 In between, the first time period C1 is extended, for example, the first time period C1 is extended to 10min, thereby increasing the standby state maintaining time of the fire fighting device.
Example 5
As shown in fig. 8-11, a battery compartment 420 includes: the device comprises a battery module, a temperature control module and a fire control module; wherein,,
the battery module 421 includes a plurality of energy storage battery packs connected in series and parallel for storing or releasing electric energy; in some embodiments, the battery packs may be configured in four strings and then connected in parallel, as shown in fig. 8, with the four battery packs connected in series to form four battery pack units and then connected in parallel; the battery pack material types may include NMC/NCA ternary/NCA, lithium LCO cobalt oxide, LFP lithium iron phosphate, LMO lithium manganate.
A fire module 422 to perform fire protection on the energy storage battery pack; in some embodiments, the fire module 422 may be configured as an aerosol fire device to quickly achieve fire suppression by aerosol.
The temperature control module 423 is configured to perform the household distributed energy storage battery fire control method as described in embodiment 1:
acquiring the current temperature Tx in the battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting module is in a standby state, a wake-up instruction is sent to the fire-fighting module to wake up the fire-fighting module;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And when the fire control module is in operation, a fire control instruction is sent to the fire control module to configure the fire control module to execute fire control. Specifically, the fire control method of the household distributed energy storage battery is described in detail in embodiment 1, and is not described here again.
In some embodiments, as shown in fig. 10, the temperature control module 423 includes a fuse FU1, a resistor R1, a fuse FU2, a resistor R2, a heat-sensitive wire harness (equivalent resistor RS 1); wherein, fuse FU1 and resistance R1 are connected in parallel, fuse FU2 and resistance R2 are connected in parallel; the thermosensitive wire harness is connected with the fuse FU1, the resistor R1, the fuse FU2 and the resistor R2 in series in parallel; point location P A Point location P B In the line connected to the battery module 421, point position P C For triggering wake-up signal, point position P D Signal for triggering and prolonging standby time, point position P E The fire control device is used for triggering a fire control signal; in the embodiment, the fuse FU1 and the fuse FU2 cannot be triggered again after being fused, so that the uniqueness of the fire-fighting signal is ensured; if fire has not been triggered after fuse FU2 has been blown, an alarm is raised to arrange for maintenance personnel to detect the line and replace the new fuse.
In other embodiments, as shown in FIG. 11, the temperature control module 423 includes a thermistor R NTC1 Resistor R1 and thermistor R NTC2 Resistor R2, thermosensitive wire harness (equivalent resistor RS 1); wherein, the thermistor R NTC1 Is connected in parallel with the resistor R1 and the thermistor R NTC2 Connected with the resistor R2 in parallel; thermosensitive wire harness and parallel thermosensitive resistor R NTC1 Thermistor R connected in parallel with resistor R1 NTC2 The resistor R2 is connected in series; point location P A Point location P B In the line connected to the battery module 421, point position P C For triggering wake-up signal, point position P D Signal for triggering and prolonging standby time, point position P E The fire control device is used for triggering a fire control signal; in the present embodiment, due to the thermistor R NTC1 Thermistor R NTC2 And when the temperature is changed, the wake-up signal can be triggered again after the temperature is reduced, so that the operation of personnel is not needed. More preferably, in some embodiments, to prevent the fire protection device from being in a sleep state for an extended period of time, a second period of time C2, such as 24hours, or a complete charge-discharge cycle; specifically, the resistor R1 is an adjustable resistor, and the point position P is formed by adjusting the resistor R1 C When the voltage value triggering formation of the wake-up instruction is reached, the thermistor R NTC1 The temperature triggering the fire fighting device to send out the wake-up instruction is not reached, and the fire fighting device enters a dormant state after the standby of the first time period C1 is executed, so that the availability of the fire fighting device is ensured.
Example 6
As shown in fig. 5, a battery system 400 includes: a high voltage control box 410, a plurality of battery boxes 420 connected in series with each other; as shown in fig. 5-11, wherein,
a high voltage control box 410 for managing input and output of voltage and current of the battery system; in some embodiments, the high voltage control box 410 is further configured with a wireless communication module 411 to feed back the state of each battery box and the state of the system in the battery system to the cloud, so as to realize real-time data query.
The battery box 420 includes a battery module 421, a temperature control module 423, and a fire protection module 422; wherein,,
the battery module 421 includes a plurality of energy storage battery packs connected in series and parallel for storing or releasing electric energy; in some embodiments, the battery packs may be configured in four strings and then connected in parallel, as shown in fig. 8, with the four battery packs connected in series to form four battery pack units and then connected in parallel; the battery pack material types may include NMC/NCA ternary/NCA, lithium LCO cobalt oxide, LFP lithium iron phosphate, LMO lithium manganate.
A fire module 422 to perform fire protection on the energy storage battery pack; in some embodiments, the fire module 422 may be configured as an aerosol fire device to quickly achieve fire suppression by aerosol.
The temperature control module 423 is configured to perform the household distributed energy storage battery fire control method as described in embodiment 1:
acquiring the current temperature Tx in the battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting module is in a standby state, a wake-up instruction is sent to the fire-fighting module to wake up the fire-fighting module;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And when the fire control module is in operation, a fire control instruction is sent to the fire control module to configure the fire control module to execute fire control. Specifically, the fire control method of the household distributed energy storage battery is described in detail in embodiment 1, and is not described here again.
In some embodiments, as shown in fig. 10, the temperature control module 423 includes a fuse FU1, a resistor R1, a fuse FU2, a resistor R2, a heat-sensitive wire harness (equivalent resistor RS 1); wherein, fuse FU1 and resistance R1 are connected in parallel, fuse FU2 and resistance R2 are connected in parallel; the thermosensitive wire harness is connected with the fuse FU1, the resistor R1, the fuse FU2 and the resistor R2 in series in parallel; point location P A Point location P B In the line connected to the battery module 421, point position P C For triggering wake-up signal, point position P D Signal for triggering and prolonging standby time, point position P E The fire control device is used for triggering a fire control signal; in the embodiment, the fuse FU1 and the fuse FU2 cannot be triggered again after being fused, so that the uniqueness of the fire-fighting signal is ensured; if fire has not been triggered after fuse FU2 has been blown, an alarm is raised to arrange for maintenance personnel to detect the line and replace the new fuse.
In other embodiments, as shown in FIG. 11, the temperature control module 423 includes a thermistor R NTC1 Resistor R1 and thermistor R NTC2 Resistor R2, thermosensitive wire harness (equivalent resistor RS 1); wherein, the thermistor R NTC1 Is connected in parallel with the resistor R1 and the thermistor R NTC2 Connected with the resistor R2 in parallel; thermosensitive wire harness and parallel thermosensitive resistor R NTC1 Thermistor R connected in parallel with resistor R1 NTC2 The resistor R2 is connected in series; point location P A Point location P B In the line connected to the battery module 421, point position P C For triggering wake-up signal, point position P D Signal for triggering and prolonging standby time, point position P E The fire control device is used for triggering a fire control signal; in the present embodiment, due to the thermistor R NTC1 Thermistor R NTC2 And when the temperature is changed, the wake-up signal can be triggered again after the temperature is reduced, so that the operation of personnel is not needed. Preferably, in some embodiments, to prevent the fire protection device from being dormant for an extended period of time A state, a second time period C2 is configured, such as 24hours, or a complete charge-discharge period; specifically, the resistor R1 is an adjustable resistor, and the point position P is formed by adjusting the resistor R1 C When the voltage value triggering formation of the wake-up instruction is reached, the thermistor R NTC1 The temperature triggering the fire fighting device to send out the wake-up instruction is not reached, and the fire fighting device enters a dormant state after the standby of the first time period C1 is executed, so that the availability of the fire fighting device is ensured.
In this embodiment, the fire protection modules in each battery box 420 in the battery system 400 are independent, and are respectively responsible for fire protection in the battery boxes, so that the fire protection modules are not interfered by external systems, and the expansion of the household distributed energy storage system is facilitated; the fire control requirement on the sensing end is reduced, the hardware structure is simplified, the standby power consumption of the fire control device is reduced, the service life of the energy storage system is prolonged, and the household distributed energy storage popularization and application are facilitated.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. The technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a computer readable storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes a number of computer program instructions to cause a computing device (may be a personal computer, a server, or a network device, etc.) to perform the above-described method according to the embodiments of the present application.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
The apparatus, the electronic device, the nonvolatile computer storage medium and the method provided in the embodiments of the present disclosure correspond to each other, and therefore, the apparatus, the electronic device, the nonvolatile computer storage medium also have similar beneficial technical effects as those of the corresponding method, and since the beneficial technical effects of the method have been described in detail above, the beneficial technical effects of the corresponding apparatus, the electronic device, the nonvolatile computer storage medium are not described here again.
Those skilled in the art will also appreciate that, in addition to implementing the controller in a pure computer readable program code, it is well possible to implement the same functionality by logically programming the method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Such a controller may thus be regarded as a kind of hardware component, and means for performing various functions included therein may also be regarded as structures within the hardware component. Or even means for achieving the various functions may be regarded as either software modules implementing the methods or structures within hardware components.
The system, apparatus, module or unit set forth in the above embodiments may be implemented in particular by a computer chip or entity, or by a product having a certain function. One typical implementation is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being functionally divided into various units, respectively. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing one or more embodiments of the present description.
It will be appreciated by those skilled in the art that the present description may be provided as a method, system, or computer program product. Accordingly, the present specification embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present description embodiments may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present description is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the specification. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The specification may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing description is illustrative of embodiments of the present disclosure and is not to be construed as limiting one or more embodiments of the present disclosure. Various modifications and alterations to one or more embodiments of this description will be apparent to those skilled in the art. Any modifications, equivalent substitutions, improvements, or the like, which are within the spirit and principles of one or more embodiments of the present disclosure, are intended to be included within the scope of the claims of one or more embodiments of the present disclosure. One or more embodiments of the present specification.

Claims (10)

1. The fire control method of the household distributed energy storage battery is characterized by comprising the following steps of:
acquiring the current temperature Tx in the distributed battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting device is in a standby state, a wake-up instruction is sent to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And sending a fire-fighting instruction to the fire-fighting devices in the distributed battery boxes so as to configure the fire-fighting devices to execute fire-fighting on the distributed battery boxes.
2. The fire control method of a household distributed energy storage battery according to claim 1, wherein when the fire control device wakes up and is in a standby state, further comprising the steps of:
if the current temperature Tx is less than the second threshold T within the set first time period C1 2 Judging that the current temperature Tx is greater than or equal to the first threshold T 1 ；
If the current temperature Tx is less than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state.
3. The fire control method of a household distributed energy storage battery according to claim 1 or 2, further comprising the steps of, when the fire control device wakes up and is in a standby state:
if the current temperature Tx is less than the second threshold T within the set first time period C1 2 Judging that the current temperature Tx is greater than or equal to the third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 ；
If the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device.
4. A computer readable storage medium, characterized in that it has stored thereon program instructions, which when executed, implement the method of any of claims 1-3.
5. An electronic device, comprising: a processor and a memory for storing one or more programs; the method of any of claims 1-3 being implemented when the one or more programs are executed by the processor.
6. A fire control device for a household distributed energy storage battery, comprising:
an acquisition unit configured to acquire a current temperature Tx in the distributed battery box;
A processing unit for judging whether the current temperature is greater than or equal to a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting device is in a standby state, a wake-up instruction is sent to the fire-fighting device in the distributed battery box so as to wake up the fire-fighting device; judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the second threshold T 2 In the case of a distributed battery boxThe fire control device sends out a fire control instruction to configure the fire control device to perform fire control on the distributed battery box.
7. The household distributed energy storage battery fire control device of claim 6, wherein:
when the fire-fighting device wakes up and is in a standby state, the processing unit is further configured to compare the current temperature Tx with the second threshold T within a set first time period C1 2 The current temperature Tx is less than the second threshold T 2 Judging that the current temperature Tx is greater than or equal to the first threshold T 1 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is less than the first threshold T 1 And sending a dormancy instruction to the fire-fighting device in the distributed battery box so as to configure the fire-fighting device into a dormant state.
8. The household distributed energy storage battery fire control device of claim 6 or 7, wherein:
When the fire-fighting device wakes up and is in a standby state, the processing unit is further configured to compare the current temperature Tx with the second threshold T within a set first time period C1 2 The current temperature Tx is less than the second threshold T 2 Judging that the current temperature Tx is greater than or equal to the third threshold T 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the third threshold T 3 Greater than a first threshold T 1 And is smaller than the second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the If the current temperature Tx is greater than or equal to the third threshold T 3 The first time period C1 is extended to extend the holding time of the standby state of the fire protection device.
9. A battery box, comprising: the device comprises a battery module, a temperature control module and a fire control module; wherein,,
the battery module comprises a plurality of energy storage battery packs which are connected in series and parallel, and is used for storing or releasing electric energy;
the fire protection module is used for executing fire protection on the energy storage battery pack;
the temperature control module is configured to execute the following control method:
acquiring the current temperature Tx in the battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting module is in a standby state, a wake-up instruction is sent to the fire-fighting module to wake up the fire-fighting module;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And when the fire control module is in operation, a fire control instruction is sent to the fire control module to configure the fire control module to execute fire control.
10. A battery system, comprising: a high-voltage control box and a plurality of battery boxes which are mutually connected in series; wherein,,
the high-voltage control box is used for managing the input and output of the voltage and the current of the battery system;
the battery box comprises a battery module, a temperature control module and a fire control module; wherein,,
the battery module comprises a plurality of energy storage battery packs which are connected in series and parallel, and is used for storing or releasing electric energy;
the fire protection module is used for executing fire protection on the energy storage battery pack;
the temperature control module is configured to execute the following control method:
acquiring the current temperature Tx in the battery box;
judging whether the current temperature is greater than or equal to a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the first threshold T 1 When the fire-fighting module is in a standby state, a wake-up instruction is sent to the fire-fighting module to wake up the fire-fighting module;
judging whether the current temperature is greater than or equal to a second threshold T 2 The method comprises the steps of carrying out a first treatment on the surface of the Wherein the second threshold T 2 Greater than a first threshold T 1 ；
If the current temperature Tx is greater than or equal to the second threshold T 2 And when the fire control module is in operation, a fire control instruction is sent to the fire control module to configure the fire control module to execute fire control.
CN202310640227.1A 2023-06-01 2023-06-01 Fire control method and device for household distributed energy storage battery Active CN116350972B (en)

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Address after: West of Building 28, No. 2, Mount Taishan Road, High tech Zone, Suzhou City, Jiangsu Province, 215000

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