Server rack equipment with liquid cooling system

Abstract

This disclosure relates to a cabinet device with a liquid cooling system. The cabinet device includes a plurality of support trays, a liquid storage tank, an outlet manifold seat, an inlet manifold seat, a piping assembly, and a plurality of throttling valves. The outlet manifold seat is provided with a plurality of first branch channels and a first confluence channel, and the inlet manifold seat is provided with a plurality of second branch channels and a second confluence channel. The piping assembly includes an inlet liquid storage tank pipe, an outlet liquid storage tank pipe, a plurality of inlet liquid cooling head pipes, and a plurality of outlet liquid cooling head pipes. The inlet liquid storage tank pipes are connected at both ends to the liquid storage tank and the second confluence channel, and the outlet liquid storage tank pipes are connected at both ends to the liquid storage tank and the first confluence channel. Each inlet liquid cooling head pipe is connected at both ends to a liquid cooling head placed on each support tray and each of the first branch channels, and each outlet liquid cooling head pipe is connected at both ends to a liquid cooling head placed on each support tray and each of the second branch channels. Each throttling valve is installed in each of the first branch channels.

Claims

1. A cabinet device with a liquid-cooled heat dissipation system for dissipating heat from multiple heat sources, the cabinet device comprising: A cabinet having a plurality of side-by-side support trays, with at least one of the heat sources placed on each of the support trays; And a liquid-cooled heat dissipation system, comprising: a plurality of liquid cooling heads, each thermally bonded to a heat source; a liquid supply device, comprising a liquid storage tank and a pump and a cooler connected to the liquid storage tank, the liquid storage tank containing a working fluid; at least one liquid outlet manifold seat, installed on the cabinet and disposed on one side of the plurality of support plates, the liquid outlet manifold seat having a plurality of first branch channels and a first confluence channel connecting the plurality of first branch channels; and a liquid inlet manifold seat, installed on the cabinet and disposed on one side of the plurality of support plates, the liquid inlet manifold seat having a plurality of second branch channels and a second confluence channel connecting the plurality of second branch channels; A piping assembly includes an inlet liquid storage tank pipe, an outlet liquid storage tank pipe, a plurality of inlet liquid cooling head pipes, and a plurality of outlet liquid cooling head pipes. One end of the inlet liquid storage tank pipe is connected to the liquid storage tank, and the other end is connected to the second manifold. One end of the outlet liquid storage tank pipe is connected to the liquid storage tank, and the other end is connected to the first manifold. One end of each inlet liquid cooling head pipe is connected to one or more liquid cooling heads placed on each of the support plates, and the other end is connected to each of the first branch channels. One end of each outlet liquid cooling head pipe is connected to one or more liquid cooling heads placed on each of the support plates, and the other end is connected to each of the second branch channels. A plurality of throttling valves are respectively installed in each of the first branch channels. A plurality of flow sensors are installed inside each of the first branch channels, each of the liquid inlet tubes, or each of the liquid cooling heads. Each flow sensor is used to sense the flow rate and generate a flow signal. A controller is electrically connected to the plurality of throttle valves. The controller receives each flow signal and controls the opening degree of each throttle valve.

2. The cabinet equipment with a liquid cooling system as described in claim 1, wherein the at least one liquid outlet manifold and the liquid inlet manifold are respectively disposed on the left and right sides of the rear of the plurality of support trays.

3. The cabinet equipment with a liquid cooling system as described in claim 1, wherein the pump is used to drive the working fluid to flow back to the liquid storage tank in sequence from the liquid storage tank, the liquid storage tank outlet pipe, the first manifold, the plurality of first branch channels, the plurality of liquid cooling head pipes, the plurality of liquid cooling heads, the plurality of liquid cooling head outlet pipes, the plurality of second branch channels, the second manifold, and the liquid storage tank inlet pipe.

4. The cabinet equipment with a liquid cooling system as described in claim 1 further includes a plurality of temperature sensors, each of which is installed on each of the heat sources, each of the liquid cooling heads, or each of the liquid cooling head outlet pipes. Each of the temperature sensors is used to sense temperature and generate a temperature signal. The controller receives each of the temperature signals and controls the opening degree of each of the throttle valves.

5. The cabinet equipment with a liquid cooling system as described in claim 1, wherein the controller is electrically connected to the pump, each of the throttle valves generates an opening signal according to its opening degree, and the controller receives each of the flow rate signals and each of the opening degree signals and then controls the speed of the pump.

6. The cabinet equipment with a liquid cooling system as described in claim 1, wherein the liquid outlet manifold has a first side, a second side and a third side adjacent to each other, the two ends of the plurality of first branch channels are respectively opened from the first side and the second side and are parallel to each other, the first confluence channel is recessed from the third side and passes through each of the first branch channels, and each of the throttle valves is installed in the opening formed on the first side of each of the first branch channels.

7. The cabinet equipment with a liquid cooling system as described in claim 6, wherein each of the flow sensors is mounted between the opening of each of the first flow channels formed on the second side and each of the liquid inlet tubes.

8. A cabinet device with a liquid-cooled heat dissipation system as described in claim 1, wherein the number of heat sources and liquid cooling heads placed on each of the carrier trays are multiple, the number of liquid outlet manifold seats and the number of second distribution channels are the same as the number of carrier trays, each carrier tray is provided with multiple first pipe connectors and a second pipe connector, the number of first distribution channels and the number of first pipe connectors are the same as the number of liquid cooling heads placed on each of the carrier trays, each liquid inlet pipe includes an external liquid inlet pipe and multiple internal inlet pipes, each liquid outlet pipe includes an external liquid outlet pipe, multiple internal outlet pipes and an internal... Each internal manifold outlet pipe is placed on each of the supporting plates and one end is installed on each of the second pipe joints. Each internal manifold outlet pipe is provided with a plurality of third pipe joints. One end of each external liquid inlet pipe is installed on each of the first distribution channels and the other end is installed on each of the first pipe joints. One end of each internal distribution inlet pipe is connected to each of the liquid cooling heads and the other end is installed on each of the first pipe joints. One end of each internal distribution outlet pipe is connected to each of the liquid cooling heads and the other end is installed on each of the third pipe joints. One end of each external liquid outlet pipe is installed on each of the second distribution channels and the other end is installed on each of the second pipe joints.

9. The cabinet equipment with a liquid cooling system as described in claim 8, wherein the liquid cooling system further includes a relay manifold, the relay manifold being installed in the cabinet and disposed on one side of the plurality of liquid outlet manifolds, the relay manifold having a plurality of relay branch channels and a relay hub connecting the plurality of relay branch channels, each of the liquid outlet tank pipes including a first relay pipe and a plurality of second relay pipes, each of the first relay pipes having one end connected to the liquid outlet tank and the other end connected to the relay hub, each of the second relay pipes having one end connected to each of the relay branch channels and the other end connected to each of the first hub channels.

10. The cabinet equipment with a liquid cooling system as described in claim 1, wherein the number of heat sources and liquid cooling heads placed on each of the carrier plates are multiple, the number of liquid outlet manifolds is one, the number of first distribution channels and the number of second distribution channels are the same as the number of carrier plates, each carrier plate is provided with a first pipe connector and a second pipe connector, the piping assembly further includes multiple internal connecting pipes that are sequentially connected in series with each of the first pipe connectors, the multiple liquid cooling heads placed on each of the carrier plates and each of the second pipe connectors, each liquid inlet pipe includes an external liquid inlet pipe and the portion of the internal connecting pipe connected in series with each of the first pipe connectors and the multiple liquid cooling heads, one end of each external liquid inlet pipe is installed in each of the first distribution channels and the other end is installed in each of the first pipe connectors, each liquid outlet pipe includes an external liquid outlet pipe and the portion of the internal connecting pipe that leaves the multiple liquid cooling heads and connects to the second pipe connector, one end of each external liquid outlet pipe is installed in each of the second distribution channels and the other end is installed in each of the second pipe connectors.

11. A cabinet device with a liquid-cooled heat dissipation system as described in claim 1, wherein the number of heat sources and liquid cooling heads placed on each of the carrier trays are multiple, the number of liquid outlet manifolds is one, the number of first distribution channels and the number of second distribution channels are the same as the number of carrier trays, each carrier tray is provided with a first pipe connector and a second pipe connector, each liquid inlet cooling head pipe includes an external liquid inlet pipe, a plurality of internal inlet pipes and an internal manifold, each liquid outlet cooling head pipe includes an external liquid outlet pipe, a plurality of internal outlet pipes and an internal manifold, and one end of each external liquid inlet pipe is installed on each of the first distribution channels and the other end is installed on... At each of the first pipe joints, each of the internal manifolds is placed on each of the support plates and one end is installed at each of the first pipe joints. Each of the internal manifolds is provided with a plurality of fourth pipe joints. Each of the internal manifolds is placed on each of the support plates and one end is installed at each of the second pipe joints. Each of the internal manifolds is provided with a plurality of third pipe joints. One end of each of the internal branch inflow pipes is connected to each of the liquid cooling heads and the other end is installed at each of the fourth pipe joints. One end of each of the internal branch outflow pipes is connected to each of the liquid cooling heads and the other end is installed at each of the third pipe joints. One end of each of the external liquid outlet pipes is installed at each of the second branch channels and the other end is installed at each of the second pipe joints.

12. A cabinet device with a liquid cooling system as described in claim 1, wherein the liquid reservoir is located in the cabinet and is positioned below the plurality of support trays.

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