A phase change liquid cooling device

Abstract

The utility model is suitable for refrigeration equipment technical field provides a kind of phase change liquid cooling device, including box and the cover plate of the box top mouth closure, the bottom inboard of the box is equipped with several filling phase change liquid's placement cavity, and each placement cavity is placed with the device to be cooled, the top inboard of the box is equipped with several with the placement cavity corresponding liquid supplementing cavity, the box between placement cavity and liquid supplementing cavity is equipped with the wind tunnel of transverse through, and the side of wind tunnel is equipped with air guide fan;The utility model is through design placement cavity, wind tunnel and liquid supplementing cavity three cavity independent structure, box bottom is equipped with the placement cavity (place the device to be cooled) of filling phase change liquid, top is equipped with corresponding liquid supplementing cavity (install cooling device), middle is equipped with the wind tunnel of transverse through, form phase change-flow guide-condensation-reflux cross-regional circulation path, to solve the problem that phase change, condensation process concentrates in the same groove in prior art and forms heat interference.

Claims

1. A phase change liquid cooling device, comprising a housing (101) and a cover plate (102) sealing the top opening of the housing (101), characterized in that, The bottom inner side of the housing (101) is provided with several placement cavities (103) filled with phase change liquid, and each placement cavity (103) is provided with a cooling device (200). The top inner side of the housing (101) is provided with several replenishment cavities (104) corresponding to the placement cavities (103). The housing (101) is provided with a transversely penetrating wind tunnel (105) between the placement cavities (103) and the replenishment cavities (104), and an induced draft fan (500) is installed on one side of the wind tunnel (105). The wind tunnel (105) is provided with a device for cooling the placement cavities. (103) A flow guiding component (300) is provided to guide the vapor phase of the phase change liquid into the replenishment chamber (104). The replenishment chamber (104) is provided with a cooling device (400) for cooling the vapor phase into the liquid phase. The wind tunnel (105) is also provided with a reflux component (800) for guiding the liquid phase in the replenishment chamber (104) into the placement chamber (103). The placement chamber (103) is provided with a liquid level sensor (600) for detecting the liquid level of the phase change liquid and a temperature sensor (700) for detecting the surface temperature of the cooling device (200).

2. The phase change liquid cooling device as described in claim 1, characterized in that, The flow guiding assembly (300) includes a flow guiding tube (301) and a floating component that can float up and down in response to changes in air pressure within the placement cavity (103).

3. The phase change liquid cooling device as described in claim 2, characterized in that, One end of the guide tube (301) is connected to the top cavity of the placement cavity (103), and the other end of the guide tube (301) is connected to the replenishment cavity (104) and maintains a certain gap with the top wall of the replenishment cavity (104).

4. The phase change liquid cooling device as described in claim 3, characterized in that, The floating component includes a traction rope (302) located inside the guide tube (301). One end of the traction rope (302) extends downward into the placement cavity (103) and is fixed with a counterweight ball (303) with a diameter larger than that of the guide tube (301). The other end of the traction rope (302) extends upward into the replenishment cavity (104) and is fixed with a float ball (304).

5. The phase change liquid cooling device as described in claim 1, characterized in that, The reflux assembly (800) includes a reflux pipe (801), one end of which is connected to the bottom cavity of the replenishment chamber (104), and the other end of which is connected to the top cavity of the placement chamber (103). A solenoid valve (802) is provided inside the reflux pipe (801).

6. The phase change liquid cooling device as described in claim 1, characterized in that, The wind tunnel (105) is located on the opposite side of the induced draft fan (500) as the air inlet, and a dustproof net (106) is installed at the air inlet.

7. The phase change liquid cooling device as described in claim 5, characterized in that, The liquid level sensor (600) is installed on the side wall of the placement cavity (103) and is level with the height of the device to be cooled (200). When the liquid level sensor (600) detects that the liquid level of the phase change liquid in the placement cavity (103) is lower than the height of the device to be cooled (200), the solenoid valve (802) is opened.

8. The phase change liquid cooling device as described in claim 1, characterized in that, The temperature sensor (700) is installed on the outer wall of the device to be cooled (200). When the temperature sensor (700) detects that the surface temperature of the device to be cooled (200) exceeds the set value, the induced draft fan (500) and the corresponding cooling device (400) above it are turned on.

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