CN219534625U - Energy storage battery cabinet with inflation plate spraying fire-fighting system - Google Patents

Abstract

The utility model discloses an energy storage battery cabinet with an inflation plate spraying fire-fighting system, which comprises an energy storage cabinet body, wherein a battery pack, a spraying fire-fighting system and an energy storage converter module are arranged in the energy storage cabinet body; the energy storage converter module is arranged at the upper part of the energy storage cabinet body, and a battery pack is arranged immediately below the energy storage converter module; the spraying fire-fighting system consists of a fire detector spraying inflation plate and a circulation module; the fire detector is arranged in the battery pack and is used for detecting whether the battery core fires or not; the circulating module is connected with the spraying and expanding plate and is used for providing fire extinguishing agent for the spraying and expanding plate; the spraying and blowing plate is arranged on the upper side of the battery pack and the energy storage converter module and used for uniformly spraying the fire extinguishing agent into the fire box body.

Description

Energy storage battery cabinet with inflation plate spraying fire-fighting system

Technical Field

The utility model relates to the technical field of energy storage battery fire protection used by an energy storage system, in particular to a liquid cooling battery energy storage cabinet with an inflation plate spraying fire protection system.

Background

Along with the high-speed development of renewable energy industry, the structure of the energy internet is continuously optimized, and the construction of an energy storage system is a development trend of a future energy network. The electrochemical energy storage in the energy storage technology has the characteristics of short construction period, low operation cost and the like, and is rapidly developed. According to CNESA data, the lithium ion battery energy storage accounts for 90% in electrochemical energy storage. In recent years, the rise of electric automobiles greatly increases the use amount of lithium batteries, and according to estimation, about 80% of power batteries can be used for an energy storage system after retirement and restoration. A large number of retired power cells will be used in the future for energy storage systems, the safety and cycle life of which need to be managed.

The battery energy storage cabinet has the advantages that the battery cells inside the battery energy storage cabinet are concentrated, a large amount of heat can be generated during charging and discharging, the inconsistency between batteries can be increased due to the large amount of heat accumulation, and huge potential safety hazards can be brought to the operation of the energy storage cabinet. The traditional energy storage cabinet fire-fighting module is characterized in that a fire extinguishing device is generally arranged on the top or the side surface of a battery energy storage cabinet, and an insulating fireproof material is used; because the battery pack box body is isolated between the fire extinguishing device and the ignition battery core, the fire is difficult to control in the early stage of the ignition of the battery core.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide the energy storage battery cabinet with the blowing-up plate spraying fire-fighting system, and the device combines the blowing-up plate with the spraying fire-fighting system, so that the fire condition of the battery core can be controlled faster and earlier.

The aim of the utility model is achieved by the following technical scheme:

a liquid cooled battery energy storage cabinet with an inflatable panel spray fire protection system, comprising:

the energy storage cabinet body is internally provided with a battery pack, a spraying fire-fighting system and an energy storage converter module; the energy storage converter module is arranged at the upper part of the energy storage cabinet body, and a battery pack is arranged immediately below the energy storage converter module; the spraying fire-fighting system consists of a fire detector spraying inflation plate and a circulation module; the fire detector is arranged in the battery pack and is used for detecting whether the battery core fires or not; the circulating module is connected with the spraying and expanding plate and is used for providing fire extinguishing agent for the spraying and expanding plate; the spraying and blowing plate is arranged on the upper side of the battery pack and the energy storage converter module and used for uniformly spraying the fire extinguishing agent into the fire box body.

One or more embodiments of the present utility model may have the following advantages over the prior art:

the fire detection and the fire extinguishing assembly are arranged on the single battery pack box body, so that the fire is restrained at the initial stage of fire, and the serious loss is avoided;

the inflatable plate is used as a spraying structure carrier, the thickness of the inflatable plate is 2-4mm after inflation, the length and the width of the inflatable plate are adjusted according to actual conditions, the inflatable plate has good flow distribution and thinner thickness, the space size occupied by a fire-fighting part is reduced, and the space utilization efficiency is improved;

the fire can be extinguished for a single battery pack, and the influence on other battery packs which are not ignited is very small;

the fire extinguishing system has two opening modes, can automatically detect and open, can also be manually opened, has multiple guarantees, and reduces loss to the maximum extent.

Drawings

FIG. 1 is a schematic diagram of a liquid cooled battery energy storage cabinet with an inflatable panel spray fire protection system;

FIG. 2 is a schematic diagram of a spray fire protection system having a battery energy storage cabinet of the blow-up panel spray fire protection system;

FIG. 3 is a schematic view of the structure of a shower expansion panel;

fig. 4a and 4b are block diagrams of a control module in the energy storage battery cabinet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail with reference to examples and drawings.

As shown in fig. 1, the structure of the battery energy storage cabinet with the blowing plate spraying fire protection system comprises: the energy storage cabinet body 1 and the energy storage cabinet body are internally provided with a battery pack 2, a spraying fire protection system 3 and an energy storage converter module 5; the energy storage converter module 5 is arranged at the upper part of the energy storage cabinet body 1, and the battery pack 2 is arranged immediately below the energy storage converter module; the spray fire protection system 3 consists of a fire detector 31, a spray inflation plate 32 and a circulation module 33 (shown in figure 2); the fire detector 31 is installed inside the battery pack 2 and is used for detecting whether the battery cell fires; the circulation module 33 is connected with the spray-and-blow plate 32 and is used for providing fire extinguishing agent to the spray-and-blow plate 32; the shower-and-blow plate 32 is installed at the upper sides of the battery pack 2 and the energy storage converter module 5 for uniformly spraying the fire extinguishing agent into the interior of the fire box.

The battery pack 2 is a battery pack containing electric cells and is used for storing and releasing electric energy.

As shown in fig. 2 and 3, the shower-and-blow plate 32 includes a plurality of shower-and-blow plates 32, each of which is composed of an inlet joint 321, a distribution runner 322 and a shower hole 323; the inlet connectors 321 are connected with the circulation module 33, and a normally closed electromagnetic valve of a liquid supply pipe is arranged in front of each inlet connector 321; the spraying holes 323 are uniformly arranged in the distribution flow passage 322; the size of the spraying and blowing plate is consistent with the size of the box body, and the spraying and blowing plate serves as an upper cover plate of the box body. The circulation module 33 consists of a storage tank 331, a variable frequency pump 332, a filter 333, a liquid supply pipe normally-closed electromagnetic valve 334 and a liquid return pipe normally-closed electromagnetic valve 335; the normally closed solenoid valve 334 of each liquid supply pipe comprises a plurality of storage tanks 331 connected with the normally closed solenoid valve 334 of each liquid supply pipe through a frequency converter 332 and a filter 333.

As shown in fig. 4a and 4b, the energy storage battery cabinet further comprises a control module 4, wherein the control module is composed of a control panel 41, an emergency power-off button 42, a screen 43, a buzzer and a signal connecting wire; the control board 41 is arranged at the top of the cabinet body 1, and signal connecting wires of various sensors are connected to the control board 41; the buzzer is connected with the output end of the control panel, and the emergency power-off button 42 and the screen 43 are arranged on the front panel of the energy storage cabinet.

The energy storage converter module 5 consists of an alternating current/direct current conversion module, a power distribution module and a battery pack connecting wire; the power distribution device is used for realizing conversion between direct current and external alternating current in the energy storage cabinet and distributing charge and discharge power of the plurality of battery packs.

The flow setting method of the variable frequency pump comprises the following steps:

the inside of the energy storage cabinet is provided with n spray-and-blow plates 32, and each spray-and-blow plate 32 is correspondingly provided with a liquid supply pipe normally-closed electromagnetic valve 334, so the inside of the energy storage cabinet is provided with n liquid supply pipe normally-closed electromagnetic valves 334, and the rated flow of a required pump is Q when the n liquid supply pipe normally-closed electromagnetic valves 334 are all opened; when m (0.ltoreq.m.ltoreq.n) liquid supply pipe normally closed electromagnetic valves 334 are opened, the flow rate of the pump is set to be (m/n). Q.

Fire-fighting working principle of energy storage battery cabinet:

when the fire detector 31 detects that a fire exists in the box body, a signal is transmitted to the control board 41, the control board 41 sends out a control signal, the battery pack 2 in the energy storage cabinet is disconnected from external electric connection, the normally closed electromagnetic valve 334 of the liquid supply pipe corresponding to the fire box body is opened, the variable frequency pump 332 is opened, the normally closed electromagnetic valve 335 of the liquid return pipe is opened, the fire extinguishing agent in the storage box 331 is pumped out, after entering the spraying and expanding plate 32, the fire extinguishing agent is sprayed out from the spraying holes 333 and extinguishes the fire parts, a large amount of fire extinguishing agent gathers at the bottom of the box body after being extinguished, flows back along the pipeline of the bottom of the box body under the action of gravity, flows into the storage box after passing through the normally closed electromagnetic valve 335 of the liquid return pipe, and forms circulation, and the fire condition is continuously controlled.

Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.

Claims (6)

1. An energy storage battery cabinet with an inflation plate spraying fire-fighting system is characterized by comprising an energy storage cabinet body (1), wherein a battery pack (2), a spraying fire-fighting system (3) and an energy storage converter module (5) are arranged in the energy storage cabinet body; the energy storage converter module (5) is arranged at the upper part of the energy storage cabinet body (1), and the battery pack (2) is arranged close to the lower part of the energy storage converter module; the spray fire-fighting system (3) consists of a fire detector (31), a spray inflation plate (32) and a circulation module (33); the fire detector (31) is arranged in the battery pack (2) and is used for detecting whether the battery core fires or not; the circulation module (33) is connected with the spray-and-blow plate (32) and is used for providing fire extinguishing agent to the spray-and-blow plate (32); the spraying and blowing plate (32) is arranged on the upper sides of the battery pack (2) and the energy storage converter module (5) and is used for uniformly spraying the fire extinguishing agent into the fire box body.

2. The energy storage battery cabinet with an inflatable panel fire protection system according to claim 1, characterized in that the battery pack (2) is a battery pack containing electrical cells for storing and releasing electrical energy.

3. The energy storage battery cabinet with a blown-up panel spray fire protection system of claim 1, wherein the spray blown-up panel (32) comprises a plurality of spray blown-up panels (32) each comprising an inlet connector (321), a distribution runner (322) and a spray orifice (323); the inlet connectors (321) are connected with the circulation module (33), and a normally closed electromagnetic valve of a liquid supply pipe is arranged in front of each inlet connector (321); the spraying holes (323) are uniformly arranged in the distribution flow channel (322).

4. The energy storage battery cabinet with the blowing board spray fire protection system according to claim 1, wherein the circulation module (33) is composed of a storage tank (331), a variable frequency pump (332), a filter (333), a liquid supply pipe normally-closed electromagnetic valve (334) and a liquid return pipe normally-closed electromagnetic valve (335); each liquid supply pipe normally closed electromagnetic valve (334) comprises a plurality of storage boxes (331) which are connected with each liquid supply pipe normally closed electromagnetic valve (334) through a variable frequency pump (332) and a filter (333).

5. The energy storage battery cabinet with the blowing board spray fire protection system according to claim 1, further comprising a control module (4) consisting of a control board (41), an emergency power off button (42), a screen (43), a buzzer and a signal connection line; the control board (41) is arranged at the top of the cabinet body (1), and signal connecting wires of various sensors are connected to the control board (41); the buzzer is connected with the output end of the control panel, and the emergency power-off button (42) and the screen (43) are arranged on the front panel of the energy storage cabinet.

6. The energy storage battery cabinet with the blowing board spray fire protection system according to claim 1, characterized in that the energy storage converter module (5) consists of an alternating current/direct current conversion module, a power distribution module and a battery pack connection line; the power distribution device is used for realizing conversion between direct current and external alternating current in the energy storage cabinet and distributing charge and discharge power of the plurality of battery packs.