Cooling liquid leakage controlling system

Abstract

A coolant leakage control system includes a plurality of servers, a heat exchanger, a first manifold, a plurality of leakage control solenoid valve modules, and a control unit. The heat exchanger supplies coolant. The first manifold is coupled to the heat exchanger and the servers, and is used to receive coolant and input coolant to the servers. The plurality of leakage control solenoid valve modules are connected to the first manifold and respectively connected to the servers. The leakage control solenoid valve modules are used to selectively input coolant to the servers. The control unit is connected to the leakage control solenoid valve modules. The control unit is used to receive a leakage signal corresponding to one of the servers and control the leakage control solenoid valve module of the corresponding server to close based on the leakage signal.

Claims

1. A coolant leakage control system, comprising: a plurality of servers; a heat exchanger for providing a coolant; a first manifold coupled to the heat exchanger and the servers, the first manifold for receiving the coolant from the heat exchanger and inputting the coolant to the servers; a plurality of leakage control solenoid valve modules connected to the first manifold and respectively connected to the servers, the leakage control solenoid valve modules for selectively inputting the coolant to the servers; and a control unit connected to the leakage control solenoid valve modules, the control unit for receiving a leakage signal corresponding to one of the servers and controlling the leakage control solenoid valve module corresponding to the server to close according to the leakage signal.

2. The coolant leakage control system as claimed in claim 1, wherein each of the leakage control solenoid valve modules includes a quick connector, a solenoid valve, and an adapter, the quick connector being connected to the server, the solenoid valve being disposed between the quick connector and the adapter, and the adapter being connected to the first manifold.

3. The coolant leakage control system as described in claim 2 further includes a leakage sensing unit and a second manifold. The leakage sensing unit includes a first pressure sensor and a second pressure sensor and is connected to the control unit. The first pressure sensor is disposed on the adapter and is used to measure a first pressure value. The second pressure sensor is disposed on the second manifold and is used to measure a second pressure value. The second manifold is coupled to the servers and the heat exchanger and is used to receive coolant from the servers and input the coolant to the heat exchanger. The leakage sensing unit pre-stores a pressure tolerance threshold. When a pressure difference between the first pressure value and the second pressure value is greater than the pressure tolerance threshold, the leakage sensing unit generates a leakage signal.

4. The coolant leakage control system as described in claim 3, wherein the control unit is used to perform self-diagnosis to generate a first diagnostic result and to perform communication diagnosis to generate a third diagnostic result, the leakage control solenoid valve module is used to perform solenoid valve diagnosis to generate a second diagnostic result, the leakage control solenoid valve module performs solenoid valve diagnosis when the first diagnostic result is normal, and the control unit performs communication diagnosis when the second diagnostic result is normal.

5. The coolant leakage control system as described in claim 4, wherein when the third diagnostic result is normal and the solenoid valve is in a leakage state, the control unit measures a current value of the server, the control unit controls the leakage control solenoid valve module corresponding to the server to close when the current value is 0, and the control unit controls the leakage control solenoid valve module corresponding to the server to open when the current value is not 0.

6. The coolant leakage control system as claimed in claim 5, wherein when the control unit controls the leakage control solenoid valve module to open and the first pressure value is less than the second pressure value and the pressure difference is greater than the pressure tolerance threshold, the control unit generates a warning signal.

7. The coolant leakage control system as described in claim 3 further includes a signal integration unit connected to the control unit and the leakage sensing unit, the signal integration unit being used to receive the leakage signal and transmit the leakage signal to the control unit.

8. The coolant leakage control system as described in claim 7, wherein the signal integration unit performs self-diagnosis to generate a fourth diagnostic result, the leakage sensing unit performs self-diagnosis to generate a fifth diagnostic result, the leakage sensing unit performs self-diagnosis when the fourth diagnostic result is normal, and the signal integration unit performs communication diagnosis when the fifth diagnostic result is normal.

9. The coolant leakage control system as described in claim 2 further includes a temperature sensing unit connected to the adapter and the control unit and pre-stores a temperature threshold. The temperature sensing unit is used to measure a temperature value of the coolant. When the temperature value is greater than the temperature threshold, the temperature sensing unit generates an alarm signal and transmits the alarm signal to the control unit.

10. The coolant leakage control system as claimed in claim 1 further includes a power supply unit connected to the servers and the control unit, the power supply unit being used to provide power to the servers, and when the control unit receives a leakage signal corresponding to the server, the control unit controlling the power supply unit to stop providing power to the server.

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