Cooling system having adjustable coolant boiling points, heating furnace, and cooling system using pressure control and fluid phase change

Abstract

A cooling system having adjustable coolant boiling points, a heating furnace, and a cooling system using pressure control and fluid phase change. The cooling system having adjustable coolant boiling points includes a cavity, a fluid injection system, a vacuum device, a control member, and a control valve. The cavity has an inlet and an outlet, the fluid injection system transports a working fluid into the chamber of the cavity from the inlet. The vacuum device is connected to the outlet of the cavity, and when the vacuum device is started, the chamber is evacuated through the outlet of the cavity, so that the chamber has a negative pressure, and a boiling point of the working fluid in the chamber is lowered. The vacuum device and the control valve are electrically connected to the control member that is used to control the vacuum device and the control valve.

What is claimed is: 
     
         1 . A cooling system having adjustable coolant boiling points, comprising:
 a cavity, wherein a chamber is disposed in the cavity, the cavity has an inlet and an outlet, and the inlet and the outlet are respectively connected to the chamber;   a fluid injection system, wherein the fluid injection system is connected to the inlet of the cavity, and the fluid injection system transports a working fluid into the chamber from the inlet, the working fluid being a coolant;   a vacuum device connected to the outlet of the cavity;   a control member, wherein the vacuum device is electrically connected to the control member, and an operation of the vacuum device is controlled by the control member; and wherein, when the vacuum device is started, the chamber is evacuated through the outlet of the cavity, so that a pressure in the chamber is reduced, and a boiling point of the working fluid in the chamber is lowered; and   a control valve connected to the inlet of the cavity and electrically connected to the control member, wherein the control valve controls an injection amount of the working fluid, and controls a vacuum degree and a temperature in the cavity by cooperating with the control of the vacuum device.   
     
     
         2 . The cooling system according to  claim 1 , wherein the working fluid extracted through the outlet of the cavity is directly discharged into the atmosphere through the vacuum device, or flows back to the cavity through the vacuum device and the fluid injection system. 
     
     
         3 . The cooling system according to  claim 1 , wherein the fluid injection system includes a heat exchanger, a water tank, and a delivery pump, the heat exchanger is connected to the vacuum device, the water tank is connected to the heat exchanger, and the delivery pump is connected between the water tank and the inlet of the cavity; wherein the working fluid extracted through the outlet of the cavity is transported to the heat exchanger through the vacuum device, the heat exchanger condenses a vapor discharged from the vacuum device into the working fluid that is a liquid, and the heat exchanger then transports the liquid working fluid to the water tank for storage and transports the liquid working fluid to the inlet of the cavity through the delivery pump. 
     
     
         4 . The cooling system according to  claim 3 , wherein the water tank includes a water injection valve and a liquid level gauge, and the liquid level gauge detects a liquid level of the working fluid in the water tank; and wherein, when the liquid level is too low, the working fluid is added through the water injection valve. 
     
     
         5 . The cooling system according to  claim 3 , wherein a gas-liquid separator is disposed between the heat exchanger and the water tank, so that the vapor is directly discharged into the atmosphere, and the working fluid that is condensed is separated by the gas-liquid separator and flows into the water tank for collection. 
     
     
         6 . The cooling system according to  claim 1 , wherein a pressure gauge and a thermometer are disposed in the chamber, the pressure gauge and the thermometer are electrically connected to the control member, the thermometer detects a temperature in the chamber, and the pressure gauge detects a pressure in the chamber. 
     
     
         7 . The cooling system according to  claim 1 , wherein the fluid injection system includes a water tank and a delivery pump, the working fluid is added to the water tank, and the working fluid that is a liquid is transported to the inlet of the cavity through the delivery pump, so that the working fluid is transported into the chamber. 
     
     
         8 . The cooling system according to  claim 7 , wherein the water tank includes a water injection valve and a liquid level gauge, and the liquid level gauge detects a liquid level of the working fluid in the water tank; and wherein, when the liquid level is too low, the working fluid is added through the water injection valve. 
     
     
         9 . The cooling system according to  claim 1 , wherein the control valve is a switch valve or a proportional valve, and the control member controls a switch or an opening degree through the control valve. 
     
     
         10 . The cooling system according to  claim 1 , wherein an atomizing head is disposed on the inlet, and the working fluid is transported into the chamber as a water mist through the atomizing head. 
     
     
         11 . The cooling system according to  claim 1 , wherein the inlet of the cavity has a drip-type design, and a heat source device is near the inlet of the cavity, so that when the fluid injection system transports the working fluid into the chamber from the inlet, the working fluid drips onto the heat source device or drips near the heat source device. 
     
     
         12 . A heating furnace, comprising:
 a heating zone;   a cooling zone disposed at a downstream position of the heating zone; and   the cooling system having the adjustable coolant boiling points as claimed in  claim 1 , wherein the cooling system is disposed in the cooling zone, and the cooling system provides cooling and heat dissipation for the cooling zone.   
     
     
         13 . The heating furnace according to  claim 12 , wherein the vacuum device is connected to the heating zone, and the heating zone is evacuated by the vacuum device. 
     
     
         14 . A cooling system using pressure control and fluid phase change, comprising:
 a cavity, wherein a chamber is disposed in the cavity, the cavity has an inlet and an outlet, and the inlet and the outlet are respectively connected to the chamber;   a fluid injection system, wherein the fluid injection system is connected to the inlet of the cavity, and the fluid injection system transports a working fluid into the chamber from the inlet;   a vacuum device connected to the outlet of the cavity, wherein the vacuum device is electrically connected to a control member, and the operation of the vacuum device is controlled by the control member; and wherein, when the vacuum device is started, the chamber is evacuated through the outlet of the cavity to reduce a pressure in the chamber, and to lower a boiling point of the working fluid in the chamber; and   at least one first temperature sensor and at least one second temperature sensor, wherein the at least one first temperature sensor is disposed inside the cavity, and the at least one second temperature sensor is disposed outside of the cavity; and wherein the at least one first temperature sensor and the at least one second temperature sensor are electrically connected to the control member, and the at least one first temperature sensor and the at least one second temperature sensor respectively detect temperatures inside and outside the cavity, and calculate at least one of a fluid volume and a pressure of the working fluid that is required by using a temperature difference inside and outside of the cavity, so that the temperatures inside and outside the cavity are changed and adjusted.   
     
     
         15 . The cooling system according to  claim 14 , wherein the cavity has a removable wall, the removable wall is fixed at an opening of the cavity, and the removable wall is removable from the cavity so that the opening is opened. 
     
     
         16 . The cooling system according to  claim 14 , wherein a plurality of heat dissipation fins are disposed on at least one of inside and outside of the cavity. 
     
     
         17 . The cooling system according to  claim 14 , wherein the cavity includes a liquid level gauge, and the liquid level gauge detects a liquid level of the working fluid in the chamber. 
     
     
         18 . The cooling system according to  claim 14 , wherein the vacuum device includes two vacuum sources, and the two vacuum sources provide different vacuum levels for pressure control. 
     
     
         19 . The cooling system according to  claim 14 , wherein the inlet of the cavity is connected to a control valve, the control valve is electrically connected to the control member, and the control member controls the control valve to control the working fluid transported to the inlet of the cavity. 
     
     
         20 . The cooling system according to  claim 14 , wherein the cavity is in contact with or is adjacent to a heat source device, and at least one third temperature sensor is provided on the heat source device; and wherein the at least one third temperature sensor is electrically connected to the control member, and the at least one third temperature sensor detects a temperature of the heat source device and calculates at least one of the fluid volume and the pressure of the working fluid that is used, so that the temperatures inside and outside the cavity are changed and adjusted. 
     
     
         21 . The cooling system according to  claim 14 , wherein the cavity is disposed in a container, so that the cavity is immersed in a fluid in the container or performs heat exchange through contact. 
     
     
         22 . The cooling system according to  claim 21 , wherein the cavity includes a main body and a plurality of branch parts, the plurality of branch parts are connected to the main body, the inlet is connected to the plurality of branch parts, and the outlet is connected to the main body. 
     
     
         23 . The cooling system according to  claim 14 , wherein the cavity includes an internal interlayer space, the internal interlayer space is defined at a side wall or a bottom wall of the cavity, and the internal interlayer space is evacuated. 
     
     
         24 . A cooling system using pressure control and fluid phase change, comprising:
 a cavity, wherein a chamber is disposed in the cavity, the cavity has an inlet and an outlet, and the inlet and the outlet are respectively connected to the chamber;   a fluid injection system, wherein the fluid injection system is connected to the inlet of the cavity, and the fluid injection system transports a working fluid into the chamber from the inlet;   a vacuum device connected to the outlet of the cavity, wherein the vacuum device is electrically connected to a control member, and the operation of the vacuum device is controlled by the control member; and wherein, when the vacuum device is started, the chamber is evacuated through the outlet of the cavity to reduce a pressure in the chamber, and to lower a boiling point of the working fluid in the chamber; and   at least one temperature sensor disposed inside or outside of the cavity, wherein the at least one temperature sensor is electrically connected to the control member, and the at least one temperature sensor detects temperatures inside or outside the cavity, and calculates a fluid volume or a pressure of the working fluid that is required by using a temperature inside or outside of the cavity, so that the temperature inside or outside the cavity is changed and adjusted.   
     
     
         25 . The cooling system according to  claim 24 , wherein the vacuum device includes two vacuum sources, and the two vacuum sources provide different vacuum levels for pressure control. 
     
     
         26 . The cooling system according to  claim 24 , wherein the cavity is in contact with or is adjacent to a heat source device, and at least one another temperature sensor is provided on the heat source device; and wherein the at least one another temperature sensor is electrically connected to the control member, and the at least one another temperature sensor detects a temperature of the heat source device and calculates at least one of the fluid volume and the pressure of the working fluid that is used, so that the temperatures inside and outside the cavity are changed and adjusted.