Patent Description:
With the rapid development of cloud computing technology (i.e., large-scale distributed system technology), the requirements for computing performance of servers have become increasingly high. When the performance of servers improves, the power consumption rapidly increases, and the power consumption of cabinets increases in multiples. The data shows that in the recent decade, the power density of data center cabinets has increased by nearly <NUM> times. In the past, the power consumption of a cabinet was generally <NUM> kW to <NUM> kW, but now, some cabinets have local power consumption reaching <NUM> kW to <NUM> kW.

Cooling devices commonly used in data centers are filled with cooling media. A server that needs to be cooled is placed in the cooling device, and the server is cooled by means of the cooling media. During use, according to actual needs, the cooling device is replenished with cooling media or redundant cooling media in the cooling device are recovered. Generally, two pipelines are required to complete the cooling medium replenishment and cooling medium recovery.

<CIT> describes a constant pressure, liquid injection and liquid discharge integrated multifunctional device of a cooling liquid circulation system. The constant pressure, liquid injection andliquid discharge integrated multifunctional device comprises first and second self-sealing quick connectors, first and second electric two-way valves, first and second ball valves, first and second electric three-way valves, first and second check valves, a circulating pump, first and second filters, a self-priming pump, a liquid storage tank, a solution source tank and a circulating liquid tank of the cooling liquid circulation system, which respectively form a constant pressure circulation system, a liquid injection circulation system and a liquid discharge circulation system. The constant pressure, liquid injection and liquid discharge integrated multifunctional device achieve on and off by applying the electric two-way valves, achieve direction switching control through the electric three-way valves and integrates the multiple functions of constant pressure, liquid injection and liquid discharge of the cooling liquid circulation system.

The purpose of the present application is to provide a diversion system and a cooling system applicable to a cooling device, so that replenishment and recovery of a cooling medium in the cooling device can be implemented by means of only one pumping apparatus.

A first aspect of the invention provides a diversion system as defined in claim <NUM> or claim <NUM> applicable to a cooling device, the system comprising: a storage tank and a pumping apparatus, the storage tank used for storing a cooling medium, and the pumping apparatus comprising an inlet and an outlet.

A first pipeline is connected between the cooling device and the outlet of the pumping apparatus, a second pipeline is connected between the storage tank and the outlet of the pumping apparatus, a third pipeline is connected between the cooling device and the inlet of the pumping apparatus, a fourth pipeline is connected between the storage tank and the inlet of the pumping apparatus, and the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline can all selectively be conducting or be closed.

When the diversion system is operating, one of the first or the second pipelines is conducting, and one of the third or the fourth pipelines is conducting; and the pumping apparatus extracts the cooling medium by means of one of the third or the fourth pipelines that is conducting, and then conveys the cooling medium externally by means of one of the first or the second pipelines that is conducting.

Further, the diversion system comprises a first operating mode and a second operating mode.

When the diversion system is in the first operating mode, the first pipeline and the fourth pipeline are conducting, and the second pipeline and the third pipeline are closed; and the pumping apparatus extracts the cooling medium from the storage tank by means of the fourth pipeline, and then conveys the cooling medium into the cooling device by means of the first pipeline.

When the diversion system is in the second operating mode, the second pipeline and the third pipeline are conducting, and the first pipeline and the fourth pipeline are closed; and the pumping apparatus extracts the cooling medium from the cooling device by means of the third pipeline, and then conveys the cooling medium into the storage tank by means of the second pipeline.

The diversion system further includes a controller for controlling conducting or closing of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a measuring meter for detecting a volume of the cooling medium in the cooling device, the measuring meter in communicative connection to the controller.

When the measuring meter detects the volume of the cooling medium in the cooling device is less than a first volume, the controller controls the first pipeline and the fourth pipeline to be conducting and the second pipeline and the third pipeline to be closed, so as to switch the diversion system to the first operating mode.

When the measuring meter detects the volume of the cooling medium in the cooling device exceeds a second volume, the controller controls the second pipeline and the third pipeline to be conducting and the first pipeline and the fourth pipeline to be closed, so as to switch the diversion system to the second operating mode, wherein the second volume is greater than the first volume.

The diversion system further comprises a first filter provided in communication with the second pipeline or the fourth pipeline.

The diversion system includes a third operating mode, wherein when the diversion system is in the third operating mode, the second pipeline and the fourth pipeline are conducting, and the first pipeline and the third pipeline are closed; the pumping apparatus extracts the cooling medium from the storage tank by means of the fourth pipeline, and then conveys the cooling medium back to the storage tank by means of the second pipeline; and the first filter filters the cooling medium flowing therethrough.

Further, the first filter is disposed in the storage tank.

The diversion system further comprises a controller for controlling conducting or closing of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a first detector for detecting purity of the cooling medium in the storage tank, the first detector in communicative connection to the controller.

When the first detector detects the purity of the cooling medium in the storage tank is less than a preset value, the controller controls the second pipeline and the fourth pipeline to be conducting and the first pipeline and the third pipeline to be closed, so as to switch the diversion system to the third operating mode.

The diversion system further comprises a second filter provided in communication with the first pipeline or the third pipeline.

The diversion system comprises a fourth operating mode, wherein when the diversion system is in the fourth operating mode, the first pipeline and the third pipeline are conducting, and the second pipeline and the fourth pipeline are closed; the pumping apparatus extracts the cooling medium from the cooling device by means of the third pipeline, and then conveys the cooling medium back to the cooling device by means of the first pipeline; and the second filter filters the cooling medium flowing therethrough.

The diversion system further comprises a controller for controlling conducting or closing of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a second detector for detecting purity of the cooling medium in the cooling device, the second detector in communicative connection to the controller.

When the second detector detects the purity of the cooling medium in the cooling device is less than a preset value, the controller controls the first pipeline and the third pipeline to be conducting and the second pipeline and the fourth pipeline to be closed, so as to switch the diversion system to the fourth operating mode.

Further, the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline are all provided with a valve; and the valve can be opened or closed so that a corresponding pipeline in the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline can be conducting or closed.

Further, the first pipeline and the second pipeline are connected to a first common pipeline by means of a three-way connector, and both the first pipeline and the second pipeline are connected to the outlet of the pumping apparatus by means of the first common pipeline.

Further, the third pipeline and the fourth pipeline are connected to a second common pipeline by means of a three-way connector, and both the third pipeline and the fourth pipeline are connected to the inlet of the pumping apparatus by means of the second common pipeline.

Further, the first pipeline and the third pipeline are connected to a third common pipeline by means of a three-way connector, and both the first pipeline and the third pipeline are connected to the cooling device by means of the third common pipeline.

As can be seen from the above technical solutions, in the diversion system of the present application, one of the first or the second pipelines is conducting, and one of the third or the fourth pipelines is conducting, thereby forming a plurality of circulation paths of different flow directions for the cooling medium to circulate, in which case only one pumping apparatus is required for achieving both conveying of the cooling medium in the cooling device into the storage tank for recovery and conveying of the cooling medium in the storage tank into the cooling device for replenishment, so that the diversion system has various functions, greatly reduces maintenance costs of the cooling device, and improves maintenance efficiency.

The exemplary embodiments will be described in detail herein, examples of which are shown in the drawings. The following description relates to the drawings, unless otherwise indicated, the same number in different drawings represents the same or similar element. The implementations described in the following exemplary embodiments do not represent all the implementations consistent with the present application. Rather, they are merely examples of devices and methods consistent with some aspects of the present application, as detailed in the appended claims.

The terminologies used in the present application are for the purpose of describing particular embodiments only and are not intended to limit the present application. As used in the present application and in the appended claims, the singular forms "a/an", "said", and "the" are also intended to include the case of plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and/or" used herein refers to and includes any or all possible combinations of one or a plurality of associated listed items.

It should be understood that although terms first, second, third, etc. may be used to describe various kinds of information. These kinds of information should not be limited to these terms. These terms are used only to distinguish one piece of information from one another of the same type. For example, without departing from the scope of the present application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if' as used herein can be interpreted as "at the time" or "when" or "in response to the determination".

The purpose of the present application is to provide a diversion system applicable to a cooling device, so that replenishment and recovery of a cooling medium in the cooling device can be implemented by means of only one pumping apparatus. The cooling device of the present application is described in detail below with reference to the drawings. When no conflicts exist, the features of the following embodiments and implementations can be combined with each other.

Please refer to <FIG>. The embodiments of the present application provide a diversion system <NUM> applicable to a cooling device. The diversion system <NUM> includes: a storage tank <NUM> and a pumping apparatus <NUM>, the storage tank used for storing a cooling medium <NUM>, and the pumping apparatus <NUM> including an inlet <NUM> and an outlet <NUM>. Optionally, a pump may be adopted as the pumping apparatus <NUM>.

The cooling device <NUM> may be filled with the cooling medium <NUM>, a to-be-cooled apparatus <NUM> is at least partially immersed in the cooling medium <NUM>, and heat dissipation is performed for the to-be-cooled apparatus <NUM> by means of the cooling medium <NUM>. The to-be-cooled apparatus <NUM> may be a server of a data center, or may be other heat-producing devices that need to be cooled. The cooling medium <NUM> may be a gaseous medium, a liquid medium, or a solid-liquid mixed medium capable of being configured according to actual needs. In the example shown by the present application, the to-be-cooled apparatus <NUM> is completely immersed in the cooling medium <NUM>, and the cooling medium <NUM> is an electronic fluorinated liquid.

A first pipeline <NUM> is connected between the cooling device <NUM> and the outlet <NUM> of the pumping apparatus <NUM>, a second pipeline <NUM> is connected between the storage tank <NUM> and the outlet <NUM> of the pumping apparatus <NUM>, a third pipeline <NUM> is connected between the cooling device <NUM> and the inlet <NUM> of the pumping apparatus <NUM>, a fourth pipeline <NUM> is connected between the storage tank <NUM> and the inlet <NUM> of the pumping apparatus <NUM>, and the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM> can all selectively be conducting or be closed.

It can be understood that the pumping apparatus <NUM> may be provided with two outlets <NUM> connected to the first pipeline <NUM> and the second pipeline <NUM> in a one-to-one correspondence. The pumping apparatus <NUM> may be provided with two inlets <NUM> connected to the third pipeline <NUM> and the fourth pipeline <NUM> in a one-to-one correspondence. Similarly, the storage tank <NUM> and the cooling device <NUM> may be respectively provided with two connection ports for connecting to the corresponding first pipeline <NUM>, second pipeline <NUM>, third pipeline <NUM>, and fourth pipeline <NUM>.

When the diversion system <NUM> is operating, one of the first pipeline <NUM> or the second pipeline <NUM> is conducting, and one of the third pipeline <NUM> or the fourth pipeline <NUM> is conducting. The pumping apparatus <NUM> extracts the cooling medium <NUM> by means of the third pipeline <NUM> or the fourth pipeline <NUM> that is conducting, and then conveys the cooling medium <NUM> externally by means of the first pipeline <NUM> or the second pipeline <NUM> that is conducting.

As can be seen from the above technical solutions, in the diversion system <NUM> of the present application, one of the first pipeline <NUM> or the second pipeline <NUM> is conducting, and one of the third pipeline <NUM> or the fourth pipeline <NUM> is conducting, thereby forming a plurality of circulation paths of different flow directions for the cooling medium <NUM> to circulate, in which case only one pumping apparatus <NUM> is required for achieving both conveying of the cooling medium <NUM> in the cooling device <NUM> into the storage tank <NUM> for recovery and conveying of the cooling medium <NUM> in the storage tank <NUM> into the cooling device <NUM> for replenishment, so that the diversion system <NUM> has various functions, greatly reduces maintenance costs of the cooling device <NUM>, and improves maintenance efficiency.

Referring to <FIG>, in an optional implementation, the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM> are all provided with a valve; and conducting or closing of the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM> is implemented by opening or closing a corresponding valve. It can be understood that in the example shown in <FIG>, the first pipeline <NUM> is provided with a first valve <NUM>, the second pipeline <NUM> is provided with a second valve <NUM>, the third pipeline <NUM> is provided a third valve <NUM>, the fourth pipeline <NUM> is provided with a fourth valve <NUM>. The conducting or closing of the first pipeline <NUM> is implemented by opening or closing the first valve <NUM>. The conducting or closing of the second pipeline <NUM> is implemented by opening or closing the second valve <NUM>. The conducting or closing of the third pipeline <NUM> is implemented by opening or closing the third valve <NUM>. The conducting or closing of the fourth pipeline <NUM> is implemented by opening or closing the fourth valve <NUM>. Certainly, the conducting or closing of the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM> can also be implemented in other manners, which are not limited to the manner of valves described in the present application.

In an optional implementation, the diversion system <NUM> includes a first operating mode and a second operating mode.

Referring to <FIG>, when the volume of the cooling medium <NUM> in the cooling device <NUM> is insufficient to satisfy the requirements of heat dissipation, the diversion system <NUM> may switch to the first operating mode. When the diversion system <NUM> is in the first operating mode, the first pipeline <NUM> and the fourth pipeline <NUM> are conducting, and the second pipeline <NUM> and the third pipeline <NUM> are closed. The pumping apparatus <NUM> extracts the cooling medium <NUM> from the storage tank <NUM> by means of the fourth pipeline <NUM>, and then conveys the cooling medium <NUM> into the cooling device <NUM> by means of the first pipeline <NUM>. The flow direction of the cooling medium <NUM> is as shown by the arrow in <FIG>, thereby implementing replenishment of the cooling medium <NUM> in the cooling device <NUM>. That is, the first operating mode of the diversion system <NUM> can be interpreted as replenishing the cooling device <NUM> with the cooling medium.

Please refer to <FIG>. When the volume of the cooling medium <NUM> in the cooling device <NUM> is excessive and overflowing may occur, the diversion system <NUM> may switch to the second operating mode. When the diversion system <NUM> is in the second operating mode, the second pipeline <NUM> and the third pipeline <NUM> are conducting, and the first pipeline <NUM> and the fourth pipeline <NUM> are closed. The pumping apparatus <NUM> extracts the cooling medium <NUM> from the cooling device <NUM> by means of the third pipeline <NUM>, and then conveys the cooling medium <NUM> into the storage tank <NUM> by means of the second pipeline <NUM>. The flow direction of the cooling medium <NUM> is as shown by the arrow in <FIG>, thereby implementing recovery of the cooling medium <NUM> in the cooling device <NUM>. That is, the second operating mode of the diversion system <NUM> can be interpreted as recovering the cooling medium in the cooling device <NUM>.

Please refer to <FIG>. In an optional implementation, the diversion system <NUM> further includes a first filter <NUM> provided in communication with the second pipeline <NUM> or the fourth pipeline <NUM>. The first filter <NUM> can be mounted outside or inside the storage tank <NUM>. Further, when the first filter <NUM> is disposed outside the storage tank <NUM>, it may be mounted in the second pipeline <NUM> or the fourth pipeline <NUM>. In the example shown in <FIG>, the first filter <NUM> is disposed inside the storage tank <NUM>.

The diversion system <NUM> further includes a third operating mode. When purity of the cooling medium <NUM> in the storage tank <NUM> cannot satisfy the requirements, the diversion system <NUM> can switch to the third operating mode. When the diversion system <NUM> is in the third operating mode, the second pipeline <NUM> and the fourth pipeline <NUM> are conducting, and the first pipeline <NUM> and the third pipeline <NUM> are closed. The pumping apparatus <NUM> extracts the cooling medium <NUM> from the storage tank <NUM> by means of the fourth pipeline <NUM>, and then conveys the cooling medium <NUM> back to the storage tank <NUM> by means of the second pipeline <NUM>. The first filter <NUM> can filter the cooling medium <NUM> flowing therethrough, and the flow direction of the cooling medium <NUM> is as shown by the arrow in <FIG>, thereby implementing circulating filtration of the cooling medium <NUM> in the storage tank <NUM>. That is, the third operating mode of the diversion system <NUM> can be interpreted as filtering the cooling medium <NUM> in the storage tank <NUM>.

Please refer to <FIG>. In an optional implementation, the diversion system <NUM> further includes a second filter <NUM> provided in communication with the first pipeline <NUM> or the third pipeline <NUM>. The second filter <NUM> can be mounted outside or inside the cooling device <NUM>. Further, when the second filter <NUM> is disposed outside the cooling device <NUM>, it may be mounted in the first pipeline <NUM> or the third pipeline <NUM>. In the example shown in <FIG>, the second filter <NUM> is disposed inside the cooling device <NUM>.

The diversion system <NUM> further includes a fourth operating mode. When purity of the cooling medium <NUM> in the cooling device <NUM> cannot satisfy the requirements, the diversion system <NUM> can switch to the fourth operating mode. When the diversion system <NUM> is in the fourth operating mode, the first pipeline <NUM> and the third pipeline <NUM> are conducting, and the second pipeline <NUM> and the fourth pipeline <NUM> are closed. The pumping apparatus <NUM> extracts the cooling medium <NUM> from the cooling device <NUM> by means of the third pipeline <NUM>, and then conveys the cooling medium <NUM> back to the cooling device <NUM> by means of the first pipeline <NUM>. The second filter <NUM> can circulating-filter the cooling medium <NUM> flowing therethrough, and the flow direction of the cooling medium <NUM> is as shown by the arrow in <FIG>, thereby implementing filtration of the cooling medium <NUM> in the cooling device <NUM>. That is, the fourth operating mode of the diversion system <NUM> can be interpreted as filtering the cooling medium <NUM> in the cooling device <NUM>.

In an optional implementation, the diversion system <NUM> further includes a controller for controlling the conducting or closing of the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM>, and a measuring meter for detecting the volume of the cooling medium <NUM> in the cooling device <NUM>, the measuring meter in communicative connection to the controller. It can be understood that the valve may be a solenoid valve, and the controller can control opening or closing of the valves corresponding to the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM>, so as to implement the conducting or closing of the first pipeline <NUM>, the second pipeline <NUM>, the third pipeline <NUM>, and the fourth pipeline <NUM>.

When the measuring meter detects the volume of the cooling medium <NUM> in the cooling device <NUM> is less than a first volume, the controller controls the valves corresponding to the first pipeline <NUM> and the fourth pipeline <NUM> to open such that the first pipeline <NUM> and the fourth pipeline <NUM> are conducting, and controls the valves corresponding to the second pipeline <NUM> and the third pipeline <NUM> to close such that the second pipeline <NUM> and the third pipeline <NUM> are closed, thereby switching the diversion system <NUM> to the first operating mode and implementing replenishment of the cooling medium <NUM> in the cooling device <NUM>.

When the measuring meter detects the volume of the cooling medium <NUM> in the cooling device <NUM> exceeds a second volume, the controller controls the valves corresponding to the second pipeline <NUM> and the third pipeline <NUM> to open such that the second pipeline <NUM> and the third pipeline <NUM> are conducting, and controls the valves corresponding to the first pipeline <NUM> and the fourth pipeline <NUM> to close such that the first pipeline <NUM> and the fourth pipeline <NUM> are closed, thereby switching the diversion system <NUM> to the second operating mode and implementing recovery of the cooling medium <NUM> in the cooling device <NUM>. The second volume is greater than the first volume. The first volume can be interpreted as the minimum volume allowed for the cooling medium <NUM> in the cooling device <NUM>. The second volume can be interpreted as the maximum volume allowed for the cooling medium <NUM> in the cooling device <NUM>.

In an optional implementation, the diversion system <NUM> further includes a first detector for detecting purity of the cooling medium <NUM> in the storage tank <NUM>, the first detector in communicative connection to the controller and capable of being mounted in the storage tank <NUM>.

When the first detector detects the purity of the cooling medium <NUM> in the storage tank <NUM> is less than a preset value, the controller controls the valves corresponding to the second pipeline <NUM> and the fourth pipeline <NUM> to open such that the second pipeline <NUM> and the fourth pipeline <NUM> are conducting, and controls the valves corresponding to the first pipeline <NUM> and the third pipeline <NUM> to close such that the first pipeline <NUM> and the third pipeline <NUM> are closed, thereby switching the diversion system <NUM> to the third operating mode and implementing filtration of the cooling medium <NUM> in the storage tank <NUM>.

In an optional implementation, the diversion system <NUM> further includes a second detector for detecting the purity of the cooling medium <NUM> in the cooling device <NUM>, the second detector in communicative connection to the controller and capable of being mounted in the cooling device <NUM>.

When the second detector detects the purity of the cooling medium <NUM> in the cooling device <NUM> is less than a preset value, the controller controls the valves corresponding to the first pipeline <NUM> and the third pipeline <NUM> to open such that the first pipeline <NUM> and the third pipeline <NUM> are conducting, and controls the valves corresponding to the second pipeline <NUM> and the fourth pipeline <NUM> to close such that the second pipeline <NUM> and the fourth pipeline <NUM> are closed, thereby switching the diversion system <NUM> to the fourth operating mode and implementing filtration of the cooling medium <NUM> in the cooling device <NUM>.

Therefore, the functions of automatic cooling medium replenishment and recovery for the cooling device <NUM> can be implemented by configuring the controller and the measuring meter. The function of automatic cooling medium filtration for the storage tank <NUM> and the cooling device <NUM> can be implemented by configuring the first detector and the second detector.

Please refer to <FIG>. In an optional implementation, the first pipeline <NUM> and the second pipeline <NUM> can be connected to a first common pipeline <NUM> by means of a three-way connector <NUM>, and both the first pipeline <NUM> and the second pipeline <NUM> are connected to the outlet <NUM> of the pumping apparatus <NUM> by means of the first common pipeline <NUM>. The third pipeline <NUM> and the fourth pipeline <NUM> are connected to a second common pipeline <NUM> by means of a three-way connector <NUM>, and both the third pipeline <NUM> and the fourth pipeline <NUM> are connected to the inlet <NUM> of the pumping apparatus <NUM> by means of the second common pipeline <NUM>. Through the configuration of the three-way connector <NUM>, the first common pipeline <NUM> can be shared by the first pipeline <NUM> and the second pipeline <NUM>, and the second common pipeline <NUM> can be shared by the third pipeline <NUM> and the fourth pipeline <NUM>. In this way, the pumping apparatus <NUM> only needs to be provided with one inlet <NUM> and one outlet <NUM>, and only needs to be connected to the two pipelines of the first common pipeline <NUM> and the second common pipeline <NUM>, thereby simplifying the device structure and reducing the cost.

Please refer to <FIG>. Without considering the function of filtering the cooling medium <NUM> in the cooling device <NUM>, the first pipeline <NUM> and the third pipeline <NUM> can be connected to a third common pipeline <NUM> by means of a three-way connector <NUM>, and both the first pipeline <NUM> and the third pipeline <NUM> are connected to the cooling device <NUM> by means of the third common pipeline <NUM>. In this way, the cooling device <NUM> only needs to be provided with one connection port for connecting to the third common pipeline <NUM>, thereby saving perforation costs.

Further, referring to <FIG>, without considering the function of filtering the cooling medium <NUM> in the storage tank <NUM>, the third pipeline <NUM> and the fourth pipeline <NUM> can be connected to a fourth common pipeline <NUM> by means of a three-way connector <NUM>, and both the third pipeline <NUM> and the fourth pipeline <NUM> are connected to the storage tank <NUM> by means of the fourth common pipeline <NUM>. In this way, the storage tank <NUM> only needs to be provided with one connection port for connecting to the fourth common pipeline <NUM>, thereby saving perforation costs. Certainly, the number and arrangement of the three-way connectors and the common pipelines can be appropriately changed according to actual needs, which are not limited in the present application.

In conclusion, in the diversion system <NUM> of the present application, one of the first pipeline <NUM> or the second pipeline <NUM> is configured to be conducting, and one of the third pipeline <NUM> or the fourth pipeline <NUM> is configured to be conducting, thereby forming a plurality of circulation paths of different flow directions for the cooling medium <NUM> to circulate, in which case only one pumping apparatus <NUM> is required for achieving various functions such as cooling medium replenishment for the cooling device <NUM>, cooling medium recovery for the cooling device <NUM>, filtration of the cooling medium <NUM> in the cooling device <NUM>, and filtration of the cooling medium <NUM> in the storage tank <NUM>, greatly reducing maintenance costs of the cooling device <NUM> and improving maintenance efficiency.

Please refer to <FIG> and <FIG>. The embodiments of the present application further provide a diversion system applicable to a cooling device, including: a storage tank <NUM>' and a pumping apparatus <NUM>', the storage tank <NUM>' used for storing a cooling medium <NUM>', and the pumping apparatus <NUM>' including an inlet <NUM>' and an outlet <NUM>'. A first pipeline <NUM>' is connected between the cooling device <NUM>' and the outlet <NUM>' of the pumping apparatus <NUM>', a second pipeline <NUM>' is connected between the storage tank <NUM>' and the outlet <NUM>' of the pumping apparatus <NUM>', a third pipeline <NUM>' is connected between the cooling device <NUM>' and the inlet <NUM>' of the pumping apparatus <NUM>', a fourth pipeline <NUM>' is connected between the storage tank <NUM>' and the inlet <NUM>' of the pumping apparatus <NUM>', and the first pipeline <NUM>', the second pipeline <NUM>', the third pipeline <NUM>', and the fourth pipeline <NUM>' can all selectively be conducting or be closed. When the diversion system is operating, at least two of the first pipeline <NUM>', the second pipeline <NUM>', the third pipeline <NUM>', and the fourth pipeline <NUM>' are conducting.

As shown in <FIG>, when the first pipeline <NUM>', the second pipeline <NUM>', and the fourth pipeline <NUM>' are conducting, the pumping apparatus <NUM>' can convey the cooling medium <NUM>' in the storage tank <NUM>' into the cooling device <NUM>' by means of the first pipeline <NUM>' and the fourth pipeline <NUM>', so as to implement cooling medium replenishment for the cooling device <NUM>'. The pumping apparatus <NUM>' can also circulate and convey the cooling medium <NUM>' in the storage tank <NUM>' back into the storage tank <NUM>' by means of the second pipeline <NUM>' and the fourth pipeline <NUM>', and a filtration apparatus may be disposed in any one of the second pipeline <NUM>' and the fourth pipeline <NUM>', so as to implement filtration of the cooling medium <NUM>' in the storage tank <NUM>'.

As shown in <FIG>, when the first pipeline <NUM>', the second pipeline <NUM>', and the third pipeline <NUM>' are conducting, the pumping apparatus <NUM>' can convey the cooling medium <NUM>' in the cooling device <NUM>' into the storage tank <NUM>' by means of the second pipeline <NUM>' and the third pipeline <NUM>', so as to implement cooling medium recovery for the cooling device <NUM>'. The pumping apparatus <NUM>' can also circulating-convey the cooling medium <NUM>' in the cooling device <NUM>' back into the cooling device <NUM>' by means of the first pipeline <NUM>' and the third pipeline <NUM>', and a filtration apparatus may be disposed in either of the first pipeline <NUM>' and the third pipeline <NUM>', so as to implement filtration of the cooling medium <NUM>' in the cooling device <NUM>'.

In the diversion system of the present application, the first pipeline <NUM>', the second pipeline <NUM>', the third pipeline <NUM>', and the fourth pipeline <NUM>' can form a plurality of circulation paths of different flow directions for the cooling medium <NUM><NUM>' to circulate, in which case only one pumping apparatus <NUM>' is required for achieving both conveying of the cooling medium <NUM>' in the storage tank <NUM>' into the cooling device <NUM>' for replenishment and conveying of the cooling medium <NUM>' in the cooling device <NUM>' into the storage tank <NUM>' for recovery, as well as filtration of the cooling medium <NUM>' in the storage tank <NUM>' and the cooling device <NUM>', so that the diversion system has various functions, greatly reduces device maintenance costs, and improves maintenance efficiency.

The embodiments of the present application further provide a cooling system, wherein the cooling system includes a first storage tank, a second storage tank, and a pumping apparatus, the first storage tank and the second storage tank are used for storing a cooling medium, the first storage tank is in communication with the second storage tank by means of the pumping apparatus, and the cooling system is configured to operate in a first mode and a second mode. When the cooling system is in the first mode, the cooling medium in the first storage tank is introduced into the second storage tank by means of the pumping apparatus. When the cooling system is in the second mode, the cooling medium in the second storage tank is introduced into the first storage tank by means of the pumping apparatus. In the first mode and the second mode, directions of the cooling medium flowing through the pumping apparatus are the same.

In this way, only one pumping apparatus is required for implementing circulation of the cooling medium between the two storage tanks, without the need for an extra pumping apparatus, thereby greatly reducing device costs. It should be noted that a connection manner between the first storage tank, the second storage tank, and the pumping apparatus can be the same as a connection manner between the storage tank, the cooling device, and the pumping apparatus of the diversion system as described in the above embodiments and implementations.

Other embodiments of the present application will be readily conceivable by those skilled in the art after considering the specification. The present application is intended to cover any variations, uses, or adaptations of the present application, and the variations, uses, or adaptations are governed by the general principles of the present application and include commonly known knowledge or conventional technical means in the art that are not disclosed in the present application. The specification and embodiments are considered illustrative only and the actual scope of the present application are indicated by the appended claims.

It should further be noted that the term "include," "comprise," or any other variation thereof is intended to encompass a non-exclusive inclusion, so that a process, method, commodity, or device that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements that are inherent to such a process, method, commodity, or device. The element defined by the statement "including one. ," without further limitation, does not preclude the presence of additional identical elements in the process, method, commodity, or device that includes the element.

Claim 1:
A diversion system (<NUM>) comprising: a storage tank (<NUM>) and a pumping apparatus (<NUM>), the storage tank used for storing a cooling medium (<NUM>), and the pumping apparatus comprising an inlet (<NUM>) and an outlet (<NUM>), wherein
a first pipeline (<NUM>) is connected between a cooling device (<NUM>) and the outlet of the pumping apparatus, a second pipeline (<NUM>) is connected between the storage tank and the outlet of the pumping apparatus, a third pipeline (<NUM>) is connected between the cooling device and the inlet of the pumping apparatus, a fourth pipeline (<NUM>) is connected between the storage tank and the inlet of the pumping apparatus, and the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline can selectively be conducting or be closed; and wherein
when the diversion system is operating, one of the first or the second pipelines is conducting, and one of the third or the fourth pipelines is conducting;
the pumping apparatus extracts the cooling medium by one of the third or the fourth pipelines that is conducting, and conveys the cooling medium externally by one of the first or the second pipelines that is conducting; and
the diversion system further comprises a first filter (<NUM>) in communication with the second pipeline or the fourth pipeline; and wherein
the diversion system comprises a third operating mode, wherein when the diversion system is in the third operating mode, the second pipeline and the fourth pipeline are conducting, and the first pipeline and the third pipeline are closed; the pumping apparatus extracts the cooling medium from the storage tank by means of the fourth pipeline, and conveys the cooling medium back to the storage tank by the second pipeline; and the first filter filters the cooling medium flowing therethrough.