Cooling and fire-fighting hybrid system for energy storage devices and control method thereof
An energy storage device and hybrid system technology, which is applied in electrochemical generators, electrical components, fire rescue and other directions, can solve the problems of unguaranteed safety performance, poor heat dissipation effect of energy storage devices, etc. System cost, effect of preventing re-ignition
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Embodiment 1
[0028] combined with figure 1 A cooling and fire-fighting hybrid system for an energy storage device in this embodiment includes a box body 1, and a plurality of energy storage devices 2 are arranged inside, and a cooling passage 20 is provided on the energy storage device 2; a cooling circulation loop a includes A plurality of cooling branches a1 communicated with the cooling passage 20, the cooling circulation circuit a is sequentially connected with a compressor 3, a condenser 4, a liquid storage tank 5 and a throttle valve 6, and is used to control the cooling circulation circuit a through The first on-off valve 7 that is disconnected, the first on-off valve 7, the compressor 3, the condenser 4, the liquid storage tank 5 and the throttle valve 6 are sequentially connected through pipelines and arranged outside the box body 1, and the liquid storage tank 5 stores a flame-retardant refrigerant; the box 1 is provided with at least one spray branch b, and the spray branch b is...
Embodiment 2
[0042] combined with figure 1 , a control method for the cooling and fire-fighting mixing system for energy storage devices described in Embodiment 1, comprising the following steps, S1: the temperature sensor monitors the temperature in the box 1 in real time, and judges whether the temperature exceeds the control according to the measured temperature value If the temperature value does not exceed the preset value, then execute S2; if the temperature value exceeds the preset value, then execute S3; S2: the controller 12 opens the first on-off valve 7 and closes the second on-off valve 9 and the third switch valve 11; S3: the controller 12 opens the second switch valve 9, closes the first switch valve 7, and when the amount of refrigerant in the liquid storage tank 5 is lower than the preset value in the controller 12, execute S4; S4: The controller 12 opens the third switching valve 11; in the above steps, the compressor 3, the condenser 4, the liquid storage tank 5 and the t...
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