Double-fire-fighting outdoor energy storage cabinet

Abstract

The utility model provides a double-fire-fighting outdoor energy storage cabinet. The double-fire-fighting outdoor energy storage cabinet comprises an electrical cabin and a battery cabin, a main control box, a fire-fighting control box, a cabin-level fire extinguishing tank and a package-level fire extinguishing tank are mounted in the electrical cabin, the fire-fighting control box is in control connection with the cabin-level fire extinguishing tank and the package-level fire extinguishing tank, and the main control box is in communication connection with the fire-fighting control box; a plurality of battery packs are mounted in the battery cabin, a temperature sampling point in communication connection with the main control box is arranged in each battery pack, and a fire-fighting detector in communication connection with the fire-fighting control box is mounted below the top in the battery cabin; the cabin-level fire extinguishing tank is introduced into the battery cabin through a first fire-fighting pipeline, and the pack-level fire extinguishing tank is introduced into the plurality of battery packs through a second fire-fighting pipeline; according to the utility model, through cabin-level and battery pack-level dual fire protection, heat spreading of the outdoor energy storage cabinet is effectively controlled, and the system safety of the outdoor energy storage cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire safety of energy storage systems, in particular to an outdoor energy storage cabinet with dual fire protection and extinguishing effects. Background Art

[0002] When thermal runaway occurs in an energy storage system, it is often accompanied by fire or explosion, which may cause great safety hazards and economic losses. Therefore, a reliable fire protection system will play a vital role in the application scenarios and scope of the energy storage system.

[0003] Most energy storage cabinet thermal runaway is caused by thermal runaway of the battery cell, which then causes heat spread. Only by effectively controlling the heat spread of the battery cell and battery pack can the safety of the energy storage system be greatly improved. Therefore, how to effectively control the heat spread of outdoor energy storage cabinets is of great significance to improving the safety of outdoor energy storage cabinet systems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an outdoor energy storage cabinet with dual fire protection, which can effectively control the heat spread of the outdoor energy storage cabinet and improve the safety of the outdoor energy storage cabinet system through dual fire protection at the cabin level and the battery pack level.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A dual fire extinguishing outdoor energy storage cabinet, including an electrical compartment and a battery compartment;

[0007] The electrical cabin is equipped with a main control box, a fire control box, a cabin-level fire extinguishing tank and a package-level fire extinguishing tank, and the fire control box is control-connected with the cabin-level fire extinguishing tank and the package-level fire extinguishing tank, and the main control box is communicatively connected with the fire control box;

[0008] A plurality of battery packs are installed in the battery compartment, and each of the battery packs is provided with a temperature sampling point that is communicatively connected to the main control box, and a fire detector that is communicatively connected to the fire control box is installed below the top of the battery compartment;

[0009] The cabin-level fire extinguishing tank is introduced into the battery cabin through a first fire-fighting pipe, and the pack-level fire extinguishing tank is introduced into the multiple battery packs through a second fire-fighting pipe.

[0010] Furthermore, the main control box includes an energy management system EMS and a battery management system BMS;

[0011] The energy management system EMS is communicatively connected to the fire control box, and the battery management system BMS is communicatively connected to the energy management system EMS and the temperature sampling point.

[0012] Furthermore, the fire detector includes a smoke detector and a temperature detector.

[0013] Furthermore, the cabin-level fire extinguishing tank and the package-level fire extinguishing tank are both perfluorohexanone bottles.

[0014] Furthermore, a cabin-level fire sprinkler is provided at one end of the first fire-fighting pipe located in the battery compartment, and a pack-level fire sprinkler is provided at one end of the second fire-fighting pipe located in the battery pack.

[0015] Further, the fire control box includes a fire controller, a first input-output module, a second input-output module, a third input-output module and an isolation module;

[0016] The first input-output module, the second input-output module, the third input-output module and the isolation module are all connected in series to the fire controller, and the first input-output module is electrically connected to the fire detector, the second input-output module is electrically connected to the cabin-level fire extinguishing tank, and the third input-output module is electrically connected to the package-level fire extinguishing tank;

[0017] The cabin-level fire extinguishing tank and the package-level fire extinguishing tank are also connected in parallel to the fire controller.

[0018] Furthermore, an audible and visual alarm is installed in the battery compartment;

[0019] The sound and light alarm is control-connected to the fire control box.

[0020] Furthermore, the fire control box also includes a fire control panel.

[0021] Furthermore, the fire control box is connected to the main control box via RS485 communication.

[0022] Furthermore, a liquid cooling unit is installed in the electrical compartment, and a liquid cooling pipe is arranged in each battery pack;

[0023] The liquid cooling unit is control-connected to the main control box, and the liquid cooling pipes in the plurality of battery packs are all connected to the water inlet and outlet of the liquid cooling unit.

[0024] The beneficial effects of the utility model are as follows: providing a dual fire-fighting outdoor energy storage cabinet, by dividing the energy storage cabinet into an electrical compartment and a battery compartment, placing a battery pack that is prone to thermal runaway in a separate compartment from the main control box, adding a fire control box for fire control and a compartment-level fire extinguishing tank and a pack-level fire extinguishing tank for spraying fire extinguishing agent in the electrical compartment, and arranging a fire detector in the battery compartment for detecting and triggering a fire signal, so that when a fire signal is detected in the battery compartment, the alarm of the fire controller in the electrical compartment can be triggered, and the main control box sends a compartment-level fire command to the fire control box, and the fire control box controls the compartment-level fire extinguishing tank to spray The fire extinguishing agent is introduced into the battery compartment through the first fire fighting pipe to extinguish the fire for the battery compartment as a whole, so as to prevent the open fire in the compartment from overflowing and endangering the equipment and surrounding personnel and facilities; at the same time, each battery pack in the battery compartment is provided with a temperature sampling point, so that the main control box can monitor the temperature of each battery pack in real time. When the temperature of a battery pack exceeds the threshold, the main control box can send a package-level fire fighting instruction to the fire fighting control box, and the fire fighting control box controls the package-level fire extinguishing tank to spray the fire extinguishing agent and introduce it into the corresponding thermal runaway battery pack through the second fire fighting pipe to extinguish the fire, effectively and accurately controlling the thermal runaway of the battery cell from the source without causing heat spread. That is, through the dual fire fighting protection at the compartment level and the battery pack level, the heat spread of the thermal runaway of the energy storage cabinet is effectively and accurately controlled, thereby improving the safety of the energy storage cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an internal top view of a dual fire-fighting outdoor energy storage cabinet according to an embodiment of the utility model;

[0026] Figure 2 This is an internal front view of a dual fire extinguishing outdoor energy storage cabinet according to an embodiment of the utility model;

[0027] Figure 3 This is an electrical schematic diagram of a fire control box of an outdoor energy storage cabinet for dual fire extinguishing according to an embodiment of the utility model.

[0028] Description of labels:

[0029] 10. Electrical compartment; 11. Main control box; 12. Fire control box; 121. Fire controller; 122. First input and output module; 123. Second input and output module; 124. Third input and output module; 125. Isolation module; 126. Fire control panel; 13. Cabin-level fire extinguisher; 131. First fire pipeline; 132. Cabin-level fire sprinkler; 14. Package-level fire extinguisher; 141. Second fire pipeline; 142. Package-level fire sprinkler; 15. Liquid cooling unit; 151. Liquid cooling pipeline; 16. Fire detector; 161. Smoke detector; 162. Temperature detector; 17. Sound and light alarm;

[0030] 20. Battery compartment; 21. Battery pack. DETAILED DESCRIPTION

[0031] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0032] Please refer to Figures 1 to 3 , a dual fire extinguishing outdoor energy storage cabinet, including an electrical compartment and a battery compartment;

[0033] The electrical cabin is equipped with a main control box, a fire control box, a cabin-level fire extinguishing tank and a package-level fire extinguishing tank, and the fire control box is control-connected with the cabin-level fire extinguishing tank and the package-level fire extinguishing tank, and the main control box is communicatively connected with the fire control box;

[0034] A plurality of battery packs are installed in the battery compartment, and each of the battery packs is provided with a temperature sampling point that is communicatively connected to the main control box, and a fire detector that is communicatively connected to the fire control box is installed below the top of the battery compartment;

[0035] The cabin-level fire extinguishing tank is introduced into the battery cabin through a first fire-fighting pipe, and the pack-level fire extinguishing tank is introduced into the multiple battery packs through a second fire-fighting pipe.

[0036] From the above description, it can be seen that the beneficial effects of the utility model are: providing a dual fire-fighting outdoor energy storage cabinet, by dividing the energy storage cabinet into an electrical compartment and a battery compartment, the battery pack that is prone to thermal runaway is arranged in a separate compartment from the main control box, and a fire control box for fire control and a cabin-level fire extinguishing tank and a pack-level fire extinguishing tank for spraying fire extinguishing agent are added to the electrical compartment, and a fire detector for detecting and triggering a fire signal is arranged in the battery compartment, so that when a fire signal is detected in the battery compartment, the alarm of the fire controller in the electrical compartment can be triggered, and the main control box sends a cabin-level fire command to the fire control box, and the fire control box controls the cabin-level extinguishing The fire extinguishing agent is sprayed from the fire can and passed into the battery compartment through the first fire pipe to extinguish the fire for the battery compartment as a whole, so as to prevent the open fire in the compartment from overflowing and endangering the equipment and surrounding personnel and facilities; at the same time, each battery pack in the battery compartment is provided with a temperature sampling point, so that the main control box can monitor the temperature of each battery pack in real time. When the temperature of a battery pack exceeds the threshold, the main control box can send a package-level fire command to the fire control box, and the fire control box controls the package-level fire extinguishing can to spray the fire extinguishing agent and pass it into the corresponding thermal runaway battery pack through the second fire pipe to extinguish the fire, effectively and accurately controlling the thermal runaway of the battery cell from the source without causing heat spread. That is, through the dual fire protection at the cabin level and the battery pack level, the heat spread of the thermal runaway of the energy storage cabinet is effectively and accurately controlled, thereby improving the safety of the energy storage cabinet.

[0037] Furthermore, the main control box includes an energy management system EMS and a battery management system BMS;

[0038] The energy management system EMS is communicatively connected to the fire control box, and the battery management system BMS is communicatively connected to the energy management system EMS and the temperature sampling point.

[0039] From the above description, it can be seen that the energy management system EMS can be used to send corresponding fire control instructions to the fire control box to control the cabin-level fire extinguishing tank or the pack-level fire extinguishing tank to spray fire extinguishing agent for fire extinguishing when receiving the battery compartment fault signal fed back by the fire control box, that is, the thermal runaway detected by the fire detector, and the battery pack fault signal reported by the battery management system BMS, that is, when the temperature of the temperature sampling point exceeds the warning value. The battery management system BMS manages the battery pack in a unified manner and can obtain the status of each battery pack in time to monitor thermal runaway in time.

[0040] Furthermore, the fire detector includes a smoke detector and a temperature detector.

[0041] From the above description, it can be seen that through the dual detection of smoke detectors and temperature detectors, when the signal detected by one of the detectors exceeds the fault threshold, it means that there is a risk of thermal runaway at this moment, then a single fire alarm signal is triggered, and the fire control box outputs the single fire alarm signal to the main control box, and the staff conducts troubleshooting; and when the signals detected by the two detectors exceed the fault threshold, it means that thermal runaway has occurred at this moment, then the second-level fire alarm signal is triggered, and the fire control box also outputs the second-level fire alarm signal to the main control box, and the main control box sends a cabin-level fire extinguishing signal to the fire control box, so that the fire control box controls the cabin-level fire extinguishing tank to release the fire extinguishing agent into the battery compartment for fire fighting. At the same time, the main control box can also lower the high voltage of the entire system of the energy storage cabinet, cut off the power supply, avoid further development of thermal runaway, and ensure the safety of the energy storage cabinet.

[0042] Furthermore, the cabin-level fire extinguishing tank and the package-level fire extinguishing tank are both perfluorohexanone bottles.

[0043] From the above description, it can be seen that perfluorohexanone is a new type of environmentally friendly, colorless, non-toxic fire extinguishing agent with extremely high insulation properties. It can effectively and timely extinguish fires through the mechanisms of cooling, isolating oxygen, and chemical inhibition, thereby improving the safety of energy storage cabinets.

[0044] Furthermore, a cabin-level fire sprinkler is provided at one end of the first fire-fighting pipe located in the battery compartment, and a pack-level fire sprinkler is provided at one end of the second fire-fighting pipe located in the battery pack.

[0045] From the above description, it can be seen that adding fire sprinklers can effectively increase the spray pressure of the fire extinguishing agent in the fire extinguishing tank, further improving the fire extinguishing effect. At the same time, the second fire pipe in each battery pack is equipped with a fire sprinkler, which can realize separate fire extinguishing control for the battery pack with thermal runaway without affecting other normal battery packs, further improving the pack-level fire extinguishing effect.

[0046] Further, the fire control box includes a fire controller, a first input-output module, a second input-output module, a third input-output module and an isolation module;

[0047] The first input-output module, the second input-output module, the third input-output module and the isolation module are all connected in series to the fire controller, and the first input-output module is electrically connected to the fire detector, the second input-output module is electrically connected to the cabin-level fire extinguishing tank, and the third input-output module is electrically connected to the package-level fire extinguishing tank;

[0048] The cabin-level fire extinguishing tank and the package-level fire extinguishing tank are also connected in parallel to the fire controller.

[0049] As can be seen from the above description, the input and output module can monitor the normally open and normally closed point states of the connected detectors. When the output state of the access point changes, the input and output module can directly send a "status" signal to the fire controller, and locate the abnormal / fault position through addressing; wherein the first input and output module is connected to the fire detector, and when the fire fault output state of the monitoring loop changes, it outputs 24V power supply, thereby performing a cabin-level fire alarm; the second input and output module is connected to the cabin-level fire extinguishing tank, and when the first input and output module detects the fire fault output state, the control signal of the fire controller is output to the cabin-level fire extinguishing tank to release the fire extinguishing agent to extinguish the fire in the battery compartment; the third input and output module is connected to the pack-level fire extinguishing tank, and when the main control box collects the thermal runaway signal fed back from the temperature sampling point of the battery pack, the control signal of the fire controller is output to the pack-level fire extinguishing tank to release the fire extinguishing agent to extinguish the fire in the battery pack; at the same time, the isolation module can isolate the short circuit from the entire system, ensure the normal operation of other equipment in the energy storage cabinet, and provide the function of helping to locate the faulty equipment and automatically recovering after the fault is restored, so as to further improve the safety of the energy storage cabinet.

[0050] Furthermore, an audible and visual alarm is installed in the battery compartment;

[0051] The sound and light alarm is control-connected to the fire control box.

[0052] As can be seen from the above description, the sound and light alarm can give sound and light alarms and promptly notify the staff to solve the fault.

[0053] Furthermore, the fire control box also includes a fire control panel.

[0054] From the above description, it can be seen that the fire control panel can facilitate the staff to check faults and control manual fire extinguishing, thereby improving the functionality of the energy storage cabinet.

[0055] Furthermore, the fire control box is connected to the main control box via RS485 communication.

[0056] From the above description, it can be seen that RS485 communication is used between the fire control box and the main control box to ensure signal transmission efficiency, so as to ensure timely and effective fire extinguishing under thermal runaway.

[0057] Furthermore, a liquid cooling unit is installed in the electrical compartment, and a liquid cooling pipe is arranged in each battery pack;

[0058] The liquid cooling unit is control-connected to the main control box, and the liquid cooling pipes in the plurality of battery packs are all connected to the water inlet and outlet of the liquid cooling unit.

[0059] From the above description, it can be seen that adding a liquid cooling unit and liquid cooling pipes to liquid-cool the battery pack can reduce the risk of thermal runaway of the battery pack and further improve the safety of the outdoor energy storage cabinet system.

[0060] The utility model provides a dual fire-fighting outdoor energy storage cabinet, which is mainly used in small outdoor energy storage charging stations, energy storage stations and other scenes. The following is a specific description in conjunction with a specific embodiment:

[0061] Please refer to Figure 1 and Figure 2 , Embodiment 1 of the present utility model is:

[0062] A double fire extinguishing outdoor energy storage cabinet, such as Figure 1 As shown, it includes an electrical compartment 10 and a battery compartment 20 .

[0063] Among them, the electrical cabin 10 is equipped with a main control box 11, a fire control box 12, a cabin-level fire extinguishing tank 13 and a package-level fire extinguishing tank 14, and the fire control box 12 is controlled and connected with the cabin-level fire extinguishing tank 13 and the package-level fire extinguishing tank 14. The main control box 11 and the fire control box 12 are connected through RS485 communication to ensure signal transmission efficiency, so as to ensure timely and effective fire fighting under thermal runaway; at the same time, if Figure 2 As shown, a plurality of battery packs 21 are installed in the battery compartment 20, and in the present embodiment, each battery pack 21 is provided with a temperature sampling point which is communicatively connected to the main control box 11, and a fire detector 16 which is communicatively connected to the fire control box 12 is installed under the top of the battery compartment 20.

[0064] At the same time in this embodiment, Figure 1 As shown, the cabin-level fire extinguishing tank 13 is connected to the battery compartment 20 through the first fire-fighting pipe 131. Figure 2 As shown, the pack-level fire extinguishing tank 14 is connected to multiple battery packs 21 through the second fire-fighting pipeline 141.

[0065] That is, in this embodiment, the energy storage cabinet is divided into an electrical compartment 10 and a battery compartment 20, the battery pack 21 which is prone to thermal runaway is arranged in a separate compartment from the main control box 11, and a fire control box 12 for fire control and a compartment-level fire extinguishing tank 13 and a pack-level fire extinguishing tank 14 for spraying fire extinguishing agent are added to the electrical compartment 10, and a fire detector 16 for detecting and triggering a fire signal is arranged in the battery compartment 20, so that when a fire signal is detected in the battery compartment 20, an alarm of a fire controller 121 in the electrical compartment 10 can be triggered, and the main control box 11 sends a compartment-level fire command to the fire control box 12, and the fire control box 12 controls the compartment-level fire extinguishing tank 13 to spray the fire extinguishing agent and the fire extinguishing agent is discharged through the first fire detector 16. The fire prevention pipe 131 is passed into the battery compartment 20 to extinguish the fire for the battery compartment 20 as a whole, so as to prevent the open fire in the compartment from overflowing and endangering the equipment and surrounding personnel and facilities; at the same time, each battery pack 21 in the battery compartment 20 is provided with a temperature sampling point, so that the main control box 11 can monitor the temperature of each battery pack 21 in real time. When the temperature of a battery pack 21 exceeds the threshold, the main control box 11 can send a package-level fire command to the fire control box 12, and the fire control box 12 controls the package-level fire extinguishing tank 14 to spray the fire extinguishing agent and pass it into the corresponding thermal runaway battery pack 21 through the second fire pipe 141 for fire extinguishing, effectively and accurately controlling the thermal runaway of the battery cell from the source without causing heat spread. That is, through the dual fire protection at the compartment level and the battery pack 21 level, the heat spread of the thermal runaway of the energy storage cabinet is effectively and accurately controlled, thereby improving the safety of the energy storage cabinet.

[0066] Among them, the cabin-level fire extinguisher tank 13 and the package-level fire extinguisher tank 14 are both perfluorohexanone bottles. Perfluorohexanone is a new type of environmentally friendly, colorless, non-toxic fire extinguishing agent with extremely high insulation properties. It can effectively and timely extinguish fires through the mechanisms of cooling, isolating oxygen, and chemical inhibition, thereby improving the safety of energy storage cabinets.

[0067] Among them, Figure 1 and Figure 2 As shown, a cabin-level fire sprinkler 132 is provided at one end of the first fire-fighting pipe 131 located in the battery compartment 20 , and a pack-level fire-fighting sprinkler 142 is provided at one end of the second fire-fighting pipe 141 located in the battery pack 21 .

[0068] That is, adding fire sprinklers can effectively increase the injection pressure of the fire extinguishing agent in the fire extinguishing tank, further improving the fire extinguishing effect. At the same time, the second fire fighting pipe 141 in each battery pack 21 is equipped with a fire sprinkler, which can realize independent fire fighting control for the battery pack 21 with thermal runaway without affecting other normal battery packs 21, further improving the pack-level fire fighting effect.

[0069] Please refer to Figure 2 and Figure 3, Embodiment 2 of the present utility model is:

[0070] A dual fire-fighting outdoor energy storage cabinet. Based on the above-mentioned embodiment 1, in this embodiment, the main control box 11 includes an energy management system EMS and a battery management system BMS.

[0071] In this embodiment, the energy management system EMS is communicatively connected to the fire control box 12, and the battery management system BMS is communicatively connected to the energy management system EMS and the temperature sampling point.

[0072] That is, in this embodiment, the fire control box 12 is communicatively connected with the energy management system EMS of the main control box 11, and the fire fault signal obtained from the fire detector 16 can be uploaded to the energy management system EMS. The energy management system EMS can be used to send corresponding fire control instructions to the fire control box 12 to control the cabin-level fire extinguishing tank 13 or the pack-level fire extinguishing tank 14 to spray fire extinguishing agent for fire extinguishing when receiving the battery compartment 20 fault signal fed back by the fire control box 12, that is, when the fire detector 16 detects thermal runaway in the cabin, and the battery pack 21 fault signal reported by the battery management system BMS, that is, when the temperature of the temperature sampling point exceeds the warning value. The battery management system BMS can uniformly manage the battery pack 21 and can obtain the status of each battery pack 21 in time, so as to monitor thermal runaway in a timely and targeted manner. And in this embodiment, if Figure 2 As shown, the fire detector 16 includes a smoke detector 161 and a temperature detector 162 .

[0073] That is, through the dual detection of the smoke detector 161 and the temperature detector 162, when the signal detected by one of the detectors exceeds the fault threshold, for example, the smoke detector 161 detects that the smoke concentration in the battery compartment 20 reaches the fault threshold or the temperature detector 162 detects that the temperature in the battery compartment 20 reaches the fault threshold, it may mean that there is a risk of thermal runaway at this moment, then a single fire alarm signal is triggered, and the fire control box 12 outputs the single fire alarm signal to the energy management system EMS of the main control box 11, so as to notify the staff to conduct troubleshooting to avoid thermal runaway; and when the two detectors The detected signals all exceed the fault threshold, which may mean that thermal runaway has occurred at this moment, triggering a secondary fire alarm signal. The fire control box 12 also outputs the secondary fire alarm signal to the energy management system EMS of the main control box 11. The energy management system EMS sends a cabin-level fire extinguishing signal to the fire control box 12, so that the fire control box 12 controls the cabin-level fire extinguishing tank 13 to release the fire extinguishing agent into the battery compartment 20 for fire fighting in the cabin. At the same time, the energy management system EMS can also lower the high voltage of the entire energy storage cabinet and cut off the power supply to avoid further development of thermal runaway and ensure the safety of the energy storage cabinet.

[0074] like Figure 3As shown, the fire control box 12 includes a fire controller 121, a first input-output module 122, a second input-output module 123, a third input-output module 124 and an isolation module 125;

[0075] In this embodiment, the first input-output module 122, the second input-output module 123, the third input-output module 124 and the isolation module 125 are all connected in series to the fire controller 121, and the first input-output module 122 is electrically connected to the fire detector 16, the second input-output module 123 is electrically connected to the cabin-level fire extinguishing tank 13, and the third input-output module 124 is electrically connected to the package-level fire extinguishing tank 14; at the same time, the cabin-level fire extinguishing tank 13 and the package-level fire extinguishing tank 14 are also connected in parallel to the fire controller 121.

[0076] That is, in this embodiment, the input-output module can monitor the normally open and normally closed states of the connected detectors. When the output state of the access point changes, the input-output module can directly send a "status" signal to the fire controller 121, and locate the abnormality / fault position by addressing; wherein the first input-output module 122 is connected to the fire detector 16, and when the fire fault output state of the monitoring loop changes, it outputs 24V power supply, thereby performing a cabin-level fire alarm; the second input-output module 123 is connected to the cabin-level fire extinguisher 13, and when the first input-output module 122 detects the fire fault output state, the fire controller 121 is turned on. The control signal of the controller 121 is output to the cabin-level fire extinguishing tank 13 to release the fire extinguishing agent to extinguish the fire in the battery compartment 20; the third input-output module 124 is connected to the pack-level fire extinguishing tank 14, and when the main control box 11 collects the thermal runaway signal fed back from the temperature sampling point of the battery pack 21, the control signal of the fire controller 121 is output to the pack-level fire extinguishing tank 14 to release the fire extinguishing agent to extinguish the fire in the battery pack 21; at the same time, the isolation module 125 can isolate the short circuit from the entire system to ensure the normal operation of other equipment in the energy storage cabinet, and provide the function of helping to locate the faulty equipment and automatically recovering after the fault is restored, so as to further improve the safety of the energy storage cabinet. In addition, when the fire controller 121 sends a fault, it can also trigger the fire fault signal to output its own fault signal to the energy management system EMS.

[0077] Please refer to Figures 1 to 3 , Embodiment 3 of the present utility model is:

[0078] A dual fire extinguishing outdoor energy storage cabinet, based on the above-mentioned embodiment 1 or embodiment 2, in this embodiment, as Figure 2 As shown, an audible and visual alarm 17 is also installed in the battery compartment 20, and the audible and visual alarm 17 is control-connected to the fire control box 12, so as to issue an audible and visual alarm when the battery compartment 20 sends out thermal runaway, and promptly notify the staff to solve the fault.

[0079] At the same time, if Figure 1As shown, the fire control box 12 also includes a fire control panel 126, which can facilitate the staff to check faults and perform manual fire extinguishing control, thereby improving the functionality of the energy storage cabinet.

[0080] In addition, in this embodiment, Figure 2 As shown, a liquid cooling unit 15 is also installed in the electrical compartment 10, and a liquid cooling pipe 151 is arranged in each battery pack 21; the liquid cooling unit 15 is control-connected to the main control box 11, and the liquid cooling pipes 151 in multiple battery packs 21 are connected to the water inlet and outlet of the liquid cooling unit 15.

[0081] That is, in this embodiment, a liquid cooling unit 15 and a liquid cooling pipe 151 are added to perform liquid cooling on the battery pack 21 to reduce the risk of thermal runaway of the battery pack 21 and further improve the safety of the outdoor energy storage cabinet system.

[0082] In summary, the dual fire extinguishing outdoor energy storage cabinet provided by the utility model has the following beneficial effects:

[0083] 1. Fire extinguishing at the battery compartment level to prevent open flames from spilling out of the compartment and endangering equipment and surrounding personnel and facilities;

[0084] 2. Battery pack-level fire extinguishing effectively and accurately controls the thermal runaway of the battery cell from the source without causing heat spread;

[0085] 3. Double fire protection at cabin level and package level effectively improves the safety of energy storage cabinets.

[0086] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A dual fire extinguishing outdoor energy storage cabinet, characterized in that: Includes electrical compartment and battery compartment; The electrical cabin is equipped with a main control box, a fire control box, a cabin-level fire extinguishing tank and a package-level fire extinguishing tank, and the fire control box is control-connected with the cabin-level fire extinguishing tank and the package-level fire extinguishing tank, and the main control box is communicatively connected with the fire control box; A plurality of battery packs are installed in the battery compartment, and each of the battery packs is provided with a temperature sampling point that is communicatively connected to the main control box, and a fire detector that is communicatively connected to the fire control box is installed below the top of the battery compartment; The cabin-level fire extinguishing tank is introduced into the battery cabin through a first fire-fighting pipe, and the pack-level fire extinguishing tank is introduced into the multiple battery packs through a second fire-fighting pipe.

2. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The main control box includes an energy management system EMS and a battery management system BMS; The energy management system EMS is communicatively connected to the fire control box, and the battery management system BMS is communicatively connected to the energy management system EMS and the temperature sampling point.

3. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The fire detectors include smoke detectors and temperature detectors.

4. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The cabin-level fire extinguishing tank and the package-level fire extinguishing tank are both perfluorohexanone bottles.

5. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The first fire-fighting pipe is provided with a cabin-level fire-fighting sprinkler at one end located in the battery cabin, and the second fire-fighting pipe is provided with a pack-level fire-fighting sprinkler at one end located in the battery pack.

6. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The fire control box includes a fire controller, a first input-output module, a second input-output module, a third input-output module and an isolation module; The first input-output module, the second input-output module, the third input-output module and the isolation module are all connected in series to the fire controller, and the first input-output module is electrically connected to the fire detector, the second input-output module is electrically connected to the cabin-level fire extinguishing tank, and the third input-output module is electrically connected to the package-level fire extinguishing tank; The cabin-level fire extinguishing tank and the package-level fire extinguishing tank are also connected in parallel to the fire controller.

7. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: An audible and visual alarm is also installed in the battery compartment; The sound and light alarm is control-connected to the fire control box.

8. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The fire control box also includes a fire control panel.

9. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: The fire control box is connected to the main control box via RS485 communication.

10. A dual fire extinguishing outdoor energy storage cabinet according to claim 1, characterized in that: A liquid cooling unit is also installed in the electrical compartment, and a liquid cooling pipe is arranged in each battery pack; The liquid cooling unit is control-connected to the main control box, and the liquid cooling pipes in the plurality of battery packs are all connected to the water inlet and outlet of the liquid cooling unit.

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