Heat dissipation device with sorbent material immersed in liquid

An electronics cooling system comprising:

• an electronic component that generates heat in response to receiving an electric current;
• a heat dissipation device for cooling the electronic component, the heat dissipation device comprising:
• a housing attached to the electronic component and receiving heat from the electronic component, with the housing having a surface defining a chamber;
• a first liquid contained within the chamber of the housing and receiving heat from housing, with the first liquid having a first boiling temperature;
• a first sorbent material immersed within the first liquid;
• a second sorbent material coated on the surface of the housing;
• and
• a second liquid adsorbed by at least one of the first and second sorbent materials and having a second boiling temperature that is above the first boiling temperature of the first liquid;
• wherein the first liquid vaporizes into a first vapor in response to the first liquid reaching the first boiling temperature;
• wherein the second liquid is desorbed from at least one of the first and second sorbent materials in response to the second liquid and in further response to at least one of the first and second sorbent materials reaching a desorption temperature that is below the second boiling temperature, and the second liquid vaporizes into a second vapor in response to the second liquid reaching the second boiling temperature;
• at least one thermocouple attached to at least one of the electronic component and the heat dissipation device, with the at least one thermocouple generating a first temperature signal associated with a temperature of the first liquid;
• a controller electrically connected to the at least one thermocouple, with the controller comparing the temperature of the first liquid to a first temperature threshold in response to the controller receiving the first temperature signal from the at least one thermocouple, and the controller generating a first warning notification signal in response to the controller determining that the temperature of the first liquid is above the first temperature threshold;
• wherein the controller is electrically coupled to a display device for displaying a first warning indicative of the first liquid approaching the first temperature threshold in response to the display device receiving the first warning notification signal from the controller.

A method of operating an electronics cooling system having an electronic component and a heat dissipation device attached to the electronic component, with the heat dissipation device including a housing attached to the electronic component and having a surface defining a chamber, a first liquid contained within the chamber and having a first boiling temperature, a first sorbent material immersed within the first liquid, a second liquid adsorbed by at least the first sorbent material and having a second boiling temperature that is above the first boiling temperature of the first liquid, at least one thermocouple attached to at least one of the electronic component and the heat dissipation device, and a controller, the method comprising:

• transferring heat from the electronic component to the first liquid;
• vaporizing the first liquid into a first vapor in response to the first liquid receiving heat from the electronic component and the first liquid reaching the first boiling temperature;
• desorbing the second liquid from the first sorbent material in response to the second liquid and at least the first sorbent material reaching a desorption temperature that is below the second boiling temperature;
• and
• vaporizing the second liquid into a second vapor in response to the second liquid reaching the second boiling temperature.