CN-122026450-A - Multifunctional integrated liquid cold light storage system

CN122026450ACN 122026450 ACN122026450 ACN 122026450ACN-122026450-A

Abstract

The invention relates to the technical field of liquid cold light storage, in particular to a multifunctional integrated liquid cold light storage system which is composed of an energy storage battery module, a photovoltaic inversion power module, a grid-connected uninterrupted switching module, a liquid cooling module, a fire control monitoring module, a control module, a spraying device and other modules and devices. The invention has the advantages of photoelectric conversion reserve, liquid cooling, and multifunctional integration of fire control monitoring.

Inventors

DENG GUICHAO
XIAO HAORAN

Assignees

东莞市易利特新能源有限公司

Dates

Publication Date: 20260512
Application Date: 20241106

Claims (8)

1. A multifunctional integrated liquid cold light storage system is characterized by comprising: the energy storage battery module is used for charging and storing energy after charging the output voltage of the photovoltaic array; the photovoltaic inversion power module is electrically connected with the energy storage battery module, and converts output current of the photovoltaic array from direct current to alternating current through electric power output by the energy storage battery module, the photovoltaic inversion power module is electrically connected with a load and/or a grid-connected uninterrupted switching module, and the grid-disconnected uninterrupted switching module controls output voltage of the photovoltaic array to be transmitted to mains supply; The liquid cooling module is used for carrying out liquid cooling heat exchange according to the external temperature of the energy storage battery module; The fire control monitoring module detects environmental smoke through the smoke sensor, detects the environmental temperature through the temperature sensor, and monitors the temperature generated by the energy storage battery and the smoke or the temperature of the external environment in real time; the control module is respectively and electrically connected with the energy storage battery module, the grid-connected disconnection switching module, the liquid cooling module, the photovoltaic inversion power module and the fire control monitoring module and is used for controlling the operation of the energy storage battery module, the grid-connected disconnection switching module, the liquid cooling module, the photovoltaic inversion power module and the fire control monitoring module; The spraying device is communicated with the liquid cooling module, when the smoke detected by any smoke sensor in the fire control monitoring module reaches a set smoke safety threshold value, or/and any temperature sensor detects that the temperature reaches a set temperature safety threshold, the control module performs power-off treatment on the energy storage battery module, and simultaneously continuously injects liquid of the liquid cooling module into the spraying device.
2. The multifunctional integrated liquid-cooled light storage system of claim 1, wherein the energy storage battery module comprises a plurality of groups of battery units, and adjacent battery units are isolated by a protective box; The spraying device is characterized in that spraying pipes are distributed in each battery unit, and each spraying pipe and each battery unit are subjected to matching calibration; When the smoke safety threshold or the temperature safety threshold of the fire control monitoring module for monitoring a certain battery unit is reached, the control module is used for opening the spraying pipe matched with the corresponding battery unit.
3. The multifunctional integrated liquid cold light storage system of claim 1, wherein the fire control monitoring module is provided with a multi-stage aerosol fire extinguishing module in the battery unit, and the situation processing mechanism is divided according to the monitored smoke concentration and temperature of the battery unit by the fire control monitoring module, and is controlled to be opened and closed by the control module according to the situation emergency.
4. A multifunctional integrated liquid luminescence storage system according to claim 3, wherein the multi-stage aerosol fire extinguishing module comprises a primary aerosol fire extinguishing device and a secondary aerosol fire extinguishing device, and aerosol contents of the primary aerosol fire extinguishing device and the secondary aerosol fire extinguishing device are different.
5. The system of claim 4, wherein the event processing mechanism comprises a third-level emergency event, a second-level emergency event and a first-level emergency event, and different corresponding processing schemes are divided according to the monitored smoke concentration and temperature of the battery unit by the fire control monitoring module; When the temperature detected by the fire control monitoring module exceeds a temperature safety threshold value, a three-level emergency state is started, and the control module controls the liquid cooling module to increase cooling power; when the fire-fighting monitoring module detects smoke, a secondary emergency state is started, the control module controls the liquid cooling module to increase cooling power, and the primary aerosol fire extinguishing device is used for extinguishing fire or extinguishing smoke of the battery unit; When the fire control monitoring module detects the smoke safety threshold value, a first-level emergency state is started, the control module controls the spraying device to start spraying, and the secondary aerosol fire extinguishing device is used for extinguishing or extinguishing smoke of the battery unit.
6. The system of claim 5, wherein the first-level emergency state is initiated when the fire monitoring module detects a temperature that remains at a temperature safety threshold after the third-level emergency state and the second-level emergency state are initiated.
7. The multifunctional integrated liquid-cooled light storage system of claim 2, wherein the liquid cooling module comprises a bus plate abutted and attached to the battery unit, and a plurality of groups of channels for liquid circulation are arranged in the bus plate.
8. The multifunctional integrated liquid-cooled light storage system according to claim 7, wherein a baffle is embedded on one side of the bus plate, which is close to the battery unit, and is provided with spray holes, the spray holes are caused to be misplaced and communicated with the channels by moving the baffle, and the spray pipes are formed by the communication of the spray holes and the channels.

Description

Multifunctional integrated liquid cold light storage system Technical Field The invention relates to the technical field of liquid cold light storage, in particular to a multifunctional integrated liquid cold light storage system. Background The liquid cold light storage integrated cabinet system is used as a key link of peak-valley adjustment or clean energy storage of a power grid, and is widely popularized and used at present. The energy storage system generally adopts an energy storage battery, the energy storage battery needs to be subjected to thermal management in the charging and discharging process, and a mature and effective thermal management mode is a liquid cooling thermal management system at present. The working temperature of the energy storage battery is controlled in real time through the liquid cooling and heating management system, so that high-temperature combustion is avoided, even if strict temperature control management is adopted, fire occurrence of the energy storage system caused by external factors or other factors is difficult to avoid in recent years, once the internal energy storage battery generates fire, the fire will be spread help to rise, and in addition, the power reserve in the energy storage battery and the power input from the outer end are added, so that the dangerous degree of the fire is further aggravated. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide a multifunctional integrated liquid cold light storage system which has the advantages of photoelectric conversion storage, liquid cooling and multifunctional integration of fire control monitoring. The technical aim of the invention is realized by the following technical scheme that the multifunctional integrated liquid cold light storage system, the energy storage battery module, the power storage battery module and the power supply module are used for charging and storing energy after charging the output voltage of the photovoltaic array; the photovoltaic inversion power module is electrically connected with the energy storage battery module, and converts output current of the photovoltaic array from direct current to alternating current through electric power output by the energy storage battery module, the photovoltaic inversion power module is electrically connected with a load and/or a grid-connected uninterrupted switching module, and the grid-disconnected uninterrupted switching module controls output voltage of the photovoltaic array to be transmitted to mains supply; The liquid cooling module is used for carrying out liquid cooling heat exchange according to the external temperature of the energy storage battery module; The fire control monitoring module detects environmental smoke through the smoke sensor, detects the environmental temperature through the temperature sensor, and monitors the temperature generated by the energy storage battery and the smoke or the temperature of the external environment in real time; the control module is respectively and electrically connected with the energy storage battery module, the grid-connected disconnection switching module, the liquid cooling module, the photovoltaic inversion power module and the fire control monitoring module and is used for controlling the operation of the energy storage battery module, the grid-connected disconnection switching module, the liquid cooling module, the photovoltaic inversion power module and the fire control monitoring module; The spraying device is communicated with the liquid cooling module, when the smoke detected by any smoke sensor in the fire control monitoring module reaches a set smoke safety threshold value, or/and any temperature sensor detects that the temperature reaches a set temperature safety threshold, the control module performs power-off treatment on the energy storage battery module, and simultaneously continuously injects liquid of the liquid cooling module into the spraying device. Preferably, the energy storage battery module comprises a plurality of groups of battery units, and adjacent battery units are isolated by a protective box; The spraying device is characterized in that spraying pipes are distributed in each battery unit, and each spraying pipe and each battery unit are subjected to matching calibration; When the smoke safety threshold or the temperature safety threshold of the fire control monitoring module for monitoring a certain battery unit is reached, the control module is used for opening the spraying pipe matched with the corresponding battery unit. Preferably, the fire-fighting monitoring module is provided with a multi-stage aerosol fire-extinguishing module in the battery unit, a situation processing mechanism is divided according to the monitored smoke concentration and temperature of the battery unit by the fire-fighting monitoring module, and the situation processing mechanism controls the multi-stage aerosol fire-extinguishing module an