Liquid immersion cooling apparatus, liquid immersion cooling system, and control method of liquid immersion cooling apparatus
A liquid immersion cooling apparatus that cools an electronic device including a heat generating element, the apparatus includes a liquid immersion tank that accommodates a cooling liquid and the electronic device to be immersed in the cooling liquid, a wall that is disposed within the liquid immersion tank, the wall having a protrusion protruding toward the electronic device, and a drive mechanism that moves a position of the protrusion along the electronic device.
1. A liquid immersion cooling apparatus comprising:
a liquid immersion tank that accommodates a cooling liquid and an electronic device including a heat generating element to be immersed in the cooling liquid within the liquid immersion tank, the liquid immersion tank being coupled to a heat exchanger that cools the cooling liquid from the liquid immersion tank;
a wall that is disposed within the liquid immersion tank, the wall having a protrusion protruding toward the electronic device;
a pump that circulates the cooling liquid between the liquid immersion tank and the heat exchanger: and
a wall driver including a winder that moves a position of the protrusion formed on the wall along the electronic device.
2. The liquid immersion cooling apparatus according to claim 1 , wherein the wall driver moves the wall when moving the position of the protrusion.
3. The liquid immersion cooling apparatus according to claim 1 , wherein the wall driver moves only the protrusion of the wall when moving the position of the protrusion.
4. The liquid immersion cooling apparatus according to claim 1 , further comprising:
a fan disposed in the liquid immersion tank to send the cooling liquid between the heat generating element and the protrusion.
5. The liquid immersion cooling apparatus according to claim 4 , wherein the fan is disposed on a bottom portion of the liquid immersion tank.
6. A liquid immersion cooling system comprising:
a liquid immersion tank that accommodates a cooling liquid and an electronic device including a heat generating element, the electronic device being immersed in the cooling liquid within the liquid immersion tank;
a wall disposed within the liquid immersion tank, the wall having a protrusion protruding toward the electronic device;
a pump that circulates the cooling liquid between the liquid immersion tank and a heat exchanger; and
a wall driver including a winder that moves a position of the protrusion formed on the wall along the electronic device.
7. The liquid immersion cooling system according to claim 6 , further comprising:
a temperature sensor that detects a temperature of the heat generating element; and
a control device that controls the wall driver based on an output of the temperature sensor.
8. The liquid immersion cooling system according to claim 6 , wherein the cooling liquid is a fluorine-based inert liquid.
9. The liquid immersion cooling system according to claim 6 , wherein the protrusion moves in a direction parallel to a flow direction of the cooling liquid near the electronic device.
10. A control method of a liquid immersion cooling apparatus that cools an electronic device including a heat generating element, the method comprising:
immersing the electronic device in a cooling liquid within an immersion tank and circulating the cooling liquid between the liquid immersion tank and a heat exchanger;
disposing a wall in the liquid immersion tank, the wall having a protrusion protruding toward the electronic device; and
moving a position of the protrusion formed on the wall by a wall driver including a winder depending on a temperature of the heat generating element.
11. The control method according to claim 10 , wherein a control device acquires the temperature of the heat generating element while moving the protrusion, and based on the acquired temperature, the control device disposes the protrusion at a position where the temperature of the heat generating element becomes the lowest.
12. The liquid immersion cooling apparatus according to claim 1 , wherein the wall driver further includes a pulley.
13. The liquid immersion cooling apparatus according to claim 1 , wherein the wall driver further includes a roller, and a lead screw.