Purification apparatus for cooling working medium and liquid cooling system for server

Abstract

The application relates to the technical field of servers and discloses a cooling medium purification device and a liquid cooling system of a server, the purification device comprising a filter assembly and a flushing assembly; when the filter assembly is started, cooling medium flows out from the water outlet side of the filter assembly after the water inlet side of the filter assembly is connected with the cooling medium; when the flushing assembly and the filter assembly are started, pure water flows out from the water outlet side of the flushing assembly after the water inlet side of the filter assembly is connected with the pure water; the pure water forms a flushing loop between at least part of the flushing assembly and the filter assembly; and the pure water flows out from the water outlet side of the flushing assembly after flushing is completed. According to the embodiment, the cooling medium can be directly filtered, the cleanliness of the cooling medium is improved, the cooling effect of the cooling medium is improved, the service life of the cooling medium is prolonged, and the water replacement frequency of the cooling medium is reduced.

Description

Technical Field

[0001] This invention relates to the field of server technology, specifically to a purification device for a cooling medium and a liquid cooling system for a server. Background Technology

[0002] Currently, liquid cooling is used in servers and other equipment to improve heat dissipation efficiency. However, during long-term operation of liquid cooling systems, various impurities, harmful ions, microorganisms, and other substances can accumulate in the coolant, reducing its cooling effect. After a certain period of use, technicians need to replace the entire coolant. However, this is time-consuming for liquid cooling systems with large coolant volumes, thus affecting normal production and operation. Summary of the Invention

[0003] In view of this, the present invention provides a purification device for a cooling medium and a liquid cooling system for a server to solve the problems of reduced cooling effect of the cooling medium and the time-consuming replacement of the cooling medium.

[0004] In a first aspect, the present invention provides a purification apparatus for a cooling working fluid, the purification apparatus comprising:

[0005] The filter assembly includes multiple filters connected in series and a sterilization device; the inlet side of the filter assembly is suitable for introducing cooling medium or pure water, and the outlet side of the filter assembly is suitable for discharging cooling medium.

[0006] A flushing assembly, wherein the return water side of the flushing assembly is connected to the inlet water side of the filter assembly, the inlet water side of the flushing assembly is connected to at least a portion of the filter assembly, and the drain water side of the flushing assembly is connected to the outside; the flushing assembly flushes at least a portion of the filter assembly.

[0007] When the filter assembly is started, after the cooling medium is introduced into the inlet side of the filter assembly, the cooling medium flows out from the outlet side of the filter assembly.

[0008] When the flushing assembly and the filter assembly are started, pure water is introduced into the inlet side of the filter assembly, and the pure water forms a flushing circuit between at least a portion of the flushing assembly and the filter assembly; after flushing is completed, the pure water flows out from the drain side of the flushing assembly.

[0009] Beneficial Effects: By incorporating a filtration component, the coolant in this embodiment of the invention can be directly filtered, thereby improving its cleanliness and enhancing the cooling effect. Furthermore, since the coolant can be directly filtered, its service life is extended, reducing the frequency of water changes and eliminating the need for downtime during water changes due to the large volume of coolant, thus ensuring uninterrupted production and operation. Moreover, because the coolant can be directly filtered, it will not corrode the server's cold plates and circulation pipes, nor will it produce impurities or microorganisms, ensuring the coolant remains within its normal service life and guaranteeing the server's normal operation during cooling.

[0010] In one optional embodiment, the filtration assembly includes a first booster pump, a first filter, a composite purifier, a second filter, a second booster pump, a third filter, an ultraviolet sterilization device, a third booster pump, a buffer tank, and an exhaust valve connected in series.

[0011] The other end of the first booster pump is the water inlet side, through which the cooling medium enters; the first booster pump is used to pressurize the cooling medium.

[0012] The first filter has a filtration accuracy between 40 micrometers and 60 micrometers; the first filter is used to remove particulate matter.

[0013] The composite purifier is used at least to adsorb residual chlorine, colloidal substances, and organic matter in the cooling working fluid; the composite purifier is an activated carbon ceramic composite purifier.

[0014] The second filter has a filtration accuracy between 4 and 6 micrometers;

[0015] The second booster pump is used to repressurize the cooling medium that has passed through the second filter;

[0016] The third filter has a filtration accuracy at the nanometer level.

[0017] The ultraviolet sterilization device uses ultraviolet light to sterilize microorganisms in the cooling working fluid;

[0018] The third booster pump is used to provide the outlet water pressure of the cooling working fluid;

[0019] The buffer tank has its inlet connected to the outlet of the third booster pump, and its outlet is on the outlet side. The buffer tank is equipped with an exhaust valve at its vent.

[0020] Beneficial Effects: This embodiment of the invention, by setting a first booster pump, pressurizes the cooling medium just entering the filter assembly, ensuring sufficient power for the cooling medium to pass through subsequent filtration equipment, thus enabling normal filtration. This embodiment of the invention, by setting a first filter, removes larger particles from the cooling medium, reducing its turbidity and preventing clogging of subsequent filtration devices with smaller apertures and higher filtration precision. This embodiment of the invention, by setting a composite purifier, which can be an activated carbon-ceramic composite purification device, can adsorb residual chlorine and other substances in the cooling medium, preventing residual chlorine from corroding the circulation pipes and liquid cooling plates, and reducing approximately 60% of colloidal substances and 40% of organic matter in the water, preventing free residual chlorine in the water from oxidizing the reverse osmosis membrane elements in subsequent equipment. This embodiment of the invention, by setting a third filter, which can be a nanofiltration purification device, can combine physical sieving and electrostatic interactions to separate harmful substances from the cooling medium, thereby removing impurities such as biological sludge and bacteria, further purifying the cooling medium.

[0021] In one optional embodiment, the inlet of the third filter is connected to the second booster pump, the outlet of the third filter is connected to the ultraviolet sterilization device, the wastewater end of the third filter is connected to the inlet side of the flushing assembly, and the return water side of the flushing assembly is connected to the other end of the first booster pump.

[0022] When the flushing assembly and the filtration assembly are started, pure water is introduced into the inlet side of the filtration assembly, and the pure water flushes the first booster pump, the first filter, the composite purifier, the second filter, the second booster pump, and the third filter; after flushing is completed, the pure water flows out from the drain side of the flushing assembly.

[0023] Beneficial effects: By rinsing the filter assembly, the adsorbed substances attached to the filter assembly can be directly flushed out, improving the filtration capacity of each filter in the filter assembly. Simultaneously, the reverse osmosis membrane of the third filter can be rinsed, preventing membrane blockage caused by bacterial growth on the membrane surface. This prevents the booster pump from increasing pressure, which could lead to membrane pore expansion or even pore rupture, resulting in membrane failure.

[0024] In one optional embodiment, the flushing assembly includes a first valve, a water storage tank, a second valve, a fourth booster pump, and a third valve connected in series. The other end of the first valve is connected to the wastewater outlet of the third filter, and the other end of the third valve is connected between the second booster pump and the third filter.

[0025] When the first valve is opened, pure water is introduced into the inlet side of the filter assembly. The pure water then rinses the first booster pump, the first filter, the composite purifier, the second filter, the second booster pump, and the third filter before flowing into the water storage tank, forming a single rinsing loop.

[0026] When the first valve and the third valve are opened, pure water is introduced into the inlet side of the filter assembly, and the first valve, water storage tank, second valve, fourth booster pump, third valve, third filter, and first valve form a circulating flushing loop.

[0027] Beneficial effects: By forming a single-rinse circuit, this invention allows for the rinsing of all filters with clean, pure water, thereby flushing out adsorbed substances from the filter elements and improving their adsorption capacity. Furthermore, the use of a circulating rinsing circuit enables multiple cycles of cleaning the third filter, effectively removing trapped dirt and accumulating microorganisms from the filter element, restoring the third filter's purification function, eliminating filter blockage, reducing the pressure difference across the filter, and preventing secondary contamination of the cooling medium that could affect the quality of the effluent.

[0028] In one alternative embodiment, the purification device further includes:

[0029] The fourth valve has one end connected to the wastewater outlet of the water storage tank and the other end connected to the water inlet side of the filter assembly.

[0030] When the actual liquid level in the water storage tank reaches a predetermined value, the first valve and the fourth valve open, and the third valve closes. The first booster pump, the first filter, the composite purifier, the second filter, the second booster pump, the third filter, the first valve, the water storage tank, and the fourth valve form a water-saving flushing circuit.

[0031] Beneficial effects: By setting up a water-saving rinsing circuit, this embodiment of the invention can significantly save pure water usage compared to directly discharging pure water, thus avoiding waste. Simultaneously, it eliminates the need for frequent treatment of the circulating pure water during the rinsing process, reducing the total amount of wastewater generated after filtration and lowering the frequency of wastewater treatment.

[0032] In one alternative embodiment, the purification device further includes:

[0033] The wastewater treatment component is connected to the fourth booster pump, so that the wastewater treatment component is connected in parallel with the third valve;

[0034] After the wastewater treatment component is started, pure water in the water storage tank flows into the wastewater treatment component.

[0035] In one optional embodiment, the wastewater treatment assembly includes a waste liquid collection tank, a fifth valve, and a sixth valve; the waste liquid collection tank is provided with an inlet and an outlet; the inlet is connected to the fourth booster pump through the fifth valve, and the outlet discharges wastewater to the outside through the sixth valve.

[0036] In one optional embodiment, the waste liquid collection tank includes:

[0037] The housing has an internal collection chamber suitable for containing waste liquid; a liquid collection tank is provided at the bottom of the collection chamber, and the bottom of the liquid collection tank is at the lowest point; the liquid collection tank is connected to the sixth valve.

[0038] The lid is movably mounted on the box body;

[0039] A movable frame, the interior of which is adapted to house the box; the bottom of the movable frame is equipped with multiple casters.

[0040] Beneficial effects: By setting up a movable frame, the present invention allows personnel to move the waste liquid collection tank to a predetermined location for centralized treatment according to the actual situation, thereby avoiding environmental pollution caused by random discharge and improving the work efficiency of staff.

[0041] In one alternative embodiment, the purification device further includes:

[0042] A water quality monitoring component is provided at least upstream and downstream of the filtration component along the flow direction of the cooling medium; the water quality monitoring component is used to detect at least the pressure, flow rate, turbidity, pH, and conductivity of the cooling medium.

[0043] A leakage detection component is located at the bottom of the filter component and the flushing component; the leakage detection component is used to detect whether the coolant is leaking.

[0044] In one optional implementation, the water quality monitoring component includes:

[0045] An inlet flow sensor and an inlet pressure sensor are located upstream of the filter assembly;

[0046] An outlet flow sensor and an outlet pressure sensor are located downstream of the filter assembly;

[0047] A conductivity sensor, a pH sensor, and a turbidity sensor are located downstream of the filter assembly.

[0048] In a second aspect, the present invention also provides a liquid cooling system for a server, the liquid cooling system comprising:

[0049] The cooling exchange unit is equipped with a primary side and a secondary side;

[0050] The chiller unit is connected to the primary side to form a primary side cooling cycle;

[0051] The manifold is connected to the secondary side to form a secondary side cooling cycle; the manifold is used to supply cooling fluid to each server cold plate.

[0052] The purification device for the cooling medium as described in any of the above embodiments, wherein the inlet side of the filter component in the purification device is connected to the outlet of the distributor, and the cooling medium flows from the outlet side of the filter component to each server cold plate. Attached Figure Description

[0053] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of the present invention, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0054] Figure 1 This is an overall schematic diagram of a liquid cooling system for a server according to an embodiment of the present invention;

[0055] Figure 2 This is an overall schematic diagram of the liquid collector, purification equipment, and server in an embodiment of the present invention;

[0056] Figure 3 This is a schematic diagram of the internal structure of the purification device in an embodiment of the present invention;

[0057] Figure 4 This is a schematic diagram of the waste liquid collection tank in an embodiment of the present invention;

[0058] Figure 5 This is an external schematic diagram of the purification device in an embodiment of the present invention.

[0059] Explanation of reference numerals in the attached figures:

[0060] 1. Chiller unit; 2. Cooling exchange unit; 3. Manifold; 4. Purification equipment; 5. Server;

[0061] 101. First booster pump; 102. First filter; 103. Compound purifier; 104. Second filter; 105. Manual valve; 106. Second booster pump; 107. Third filter; 108. Ultraviolet sterilization device; 109. Third booster pump; 110. Buffer tank; 111. Exhaust valve;

[0062] 201. Inlet flow sensor; 202. Inlet pressure sensor; 203. Outlet flow sensor; 204. Outlet pressure sensor; 205. Conductivity sensor; 206. pH sensor; 207. Turbidity sensor; 208. Safety valve;

[0063] 301. First valve; 302. Water storage tank; 303. Second valve; 304. Fourth booster pump; 305. Third valve; 306. Fourth valve;

[0064] 401. Fifth valve; 402. Waste liquid collection tank; 403. Sixth valve;

[0065] 501. Box body; 502. Liquid collection tank; 503. Moving frame;

[0066] 601. Alarm device; 602. Capacitive touch screen all-in-one machine; 603. Casters. Detailed Implementation

[0067] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0068] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0069] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can also refer to the internal connection of two components; and they can refer to a wireless connection or a wired connection. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0070] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0071] Currently, liquid cooling is used in servers and other equipment to improve heat dissipation efficiency. However, during long-term operation of liquid cooling systems, various impurities, harmful ions, microorganisms, and other substances can accumulate in the coolant, reducing its cooling effect. After a certain period of use, technicians need to replace the entire coolant. However, this is time-consuming for liquid cooling systems with large coolant volumes, thus affecting normal production and operation.

[0072] In view of this, the present invention provides a purification device for a cooling medium and a liquid cooling system for a server to solve the problems of reduced cooling effect of the cooling medium and the time-consuming replacement of the cooling medium.

[0073] The following is combined Figures 1 to 5 The following describes embodiments of the present invention.

[0074] According to an embodiment of the present invention, a purification device 4 for a cooling medium is provided, the purification device 4 including a filtration component and a rinsing component. In this embodiment of the invention, pure water is used as the cooling medium for illustrative purposes. Of course, those skilled in the art can select other types of cooling media according to actual conditions, and there is no limitation on the specific type of cooling medium, as long as the same technical effect can be achieved.

[0075] Specifically, in this embodiment of the invention, the filtration assembly includes multiple filters connected in series and a sterilization device. The inlet side of the filtration assembly is suitable for introducing cooling medium or pure water, and the outlet side is suitable for discharging cooling medium. Further, the return water side of the flushing assembly is connected to the inlet side of the filtration assembly, the inlet side of the flushing assembly is connected to at least a portion of the filtration assembly, and the outlet side of the flushing assembly is connected to the outside. The flushing assembly flushes at least a portion of the filtration assembly. That is, when the filtration assembly consists of multiple filters and multiple devices connected in series and parallel, the flushing assembly can choose to flush a portion of the filters and a portion of the devices, or it can flush all the filters and devices. Those skilled in the art can make modifications according to actual conditions.

[0076] In practical applications, when the filter assembly is started, a cooling medium is introduced into the inlet side of the filter assembly, and then flows out from the outlet side. When the flushing assembly and the filter assembly are started, pure water is introduced into the inlet side of the filter assembly, forming a flushing circuit between the flushing assembly and at least a portion of the filter assembly. This allows the filter assembly to be flushed through the flushing circuit, and after flushing, pure water can flow out from the drain side of the flushing assembly.

[0077] With this configuration, the present invention, through the inclusion of a filtration component, can directly filter the cooling medium, thereby improving its cleanliness and enhancing the cooling effect. Furthermore, because the cooling medium can be directly filtered, its service life is extended, reducing the frequency of water changes and eliminating the need for downtime during water changes due to the large volume of cooling medium, thus ensuring uninterrupted production and operation. Moreover, because the cooling medium can be directly filtered, it will not corrode the server cold plate or circulation pipes, nor will it produce impurities or microorganisms, ensuring the cooling medium remains within its normal service life and guaranteeing the normal operation of server 5 during cooling.

[0078] Further, in an optional embodiment, the filtration assembly includes a first booster pump 101, a first filter 102, a composite purifier 103, a second filter 104, a second booster pump 106, a third filter 107, an ultraviolet sterilization device 108, a third booster pump 109, a buffer tank 110, and an exhaust valve 111 connected in series.

[0079] Specifically, in this embodiment of the invention, the other end of the first booster pump 101 is the water inlet side, which can be connected to the cooling channel via a pipe connection point. Cooling fluid flows through the cooling channel. The cooling fluid enters through the other end of the first booster pump 101, which pressurizes the cooling fluid. Since the pressure of the cooling fluid entering the equipment is relatively low, when the cooling fluid is pure water, it is insufficient to allow water molecules to pass through the subsequent precision purification device. This provides the driving force for the cooling fluid and is a fundamental component for the operation of the entire device.

[0080] Furthermore, in this embodiment of the invention, the filtration accuracy of the first filter 102 is between 40 micrometers and 60 micrometers. Specifically, the first filter 102 can be a Y-type filter, and the first filter 102 is used to remove particulate matter.

[0081] Furthermore, the composite purifier 103 can be an activated carbon ceramic composite purification device, and the composite purifier 103 is used at least for adsorbing residual chlorine, colloidal substances, and organic matter in the cooling working fluid. Of course, this embodiment is merely an example of a specific type of composite purifier 103, but it is not intended to limit it. Those skilled in the art can make changes according to actual conditions to achieve the same technical effect.

[0082] Furthermore, the second filter 104 has a filtration precision between 4 and 6 micrometers. The second filter 104 can be a high-precision purification device, capable of further filtering larger particles and harmful substances in the cooling medium. It can effectively remove impurities larger than 5 μm in diameter that the pretreatment filter failed to remove, and retain filter media lost due to damage to the pretreatment filter, such as activated carbon powder. This effectively protects the nanofiltration purification device from or minimizes contamination, extending its service life. It should be noted that before using the second filter 104, the manual valve 105 must be opened to drain and vent air.

[0083] Furthermore, the second booster pump 106 is used to further pressurize the cooling medium passing through the second filter 104, providing sufficient inlet water pressure for subsequent passage through the nanofiltration purification device. The third filter 107 achieves a filtration precision at the nanometer level. The third filter 107 can be selected from nanofiltration purification devices and is the core component of the entire purification equipment 4.

[0084] Furthermore, in this embodiment of the invention, the ultraviolet sterilization device 108 can sterilize microorganisms in the cooling medium using ultraviolet light. By irradiating with ultraviolet light to destroy and alter the DNA of microorganisms, the device kills and neutralizes them, serving as a second sterilization barrier.

[0085] Furthermore, the third booster pump 109 is used to provide the outlet water pressure of the cooling working fluid. Since the pressure of the cooling working fluid drops sharply after passing through the nanofiltration purification device, the third booster pump 109 can ensure sufficient outlet water pressure in order not to affect the operation of the entire cycle.

[0086] Furthermore, in this embodiment of the invention, the inlet of the buffer tank 110 is connected to the outlet of the third booster pump 109, the outlet of the buffer tank 110 is the outlet side, and the vent of the buffer tank 110 is equipped with an vent valve 111. Specifically, internal gas in the cooling medium can be introduced into the liquid cooling pipeline, affecting the stability of the system circulation. To ensure that no air bubbles are present when the cooling medium flows out of the equipment outlet, the cooling medium, after being pressurized by the third booster pump 109, first flows into the buffer tank 110, and then flows from the buffer tank 110 to the liquid cooling pipeline, thereby cooling the external equipment to be cooled. During this process, the gas in the cooling medium is discharged through the vent valve 111.

[0087] In this configuration, the first booster pump 101 pressurizes the cooling medium entering the filtration assembly, ensuring sufficient power for it to pass through subsequent filtration equipment and enabling proper filtration. The first filter 102 removes larger particles from the cooling medium, reducing its turbidity and preventing clogging of downstream filtration devices with smaller apertures and higher filtration precision. The composite purifier 103, which can be an activated carbon-ceramic composite purifier, adsorbs residual chlorine and other substances in the cooling medium, preventing corrosion of the circulation pipes and liquid cooling plates. It also reduces approximately 60% of colloidal substances and 40% of organic matter in the water, preventing free residual chlorine from oxidizing the reverse osmosis membrane elements in subsequent equipment. The third filter 107, which can be a nanofiltration purifier, combines physical sieving and electrostatic interactions to separate harmful substances from the cooling medium, further purifying it by removing impurities such as biological sludge and bacteria.

[0088] Furthermore, in an optional embodiment, the inlet of the third filter 107 is connected to the second booster pump 106, the outlet of the third filter 107 is connected to the ultraviolet sterilization device 108, the wastewater end of the third filter 107 is connected to the inlet side of the rinsing assembly, and the return water side of the rinsing assembly is connected to the other end of the first booster pump 101.

[0089] In practical applications, when the rinsing assembly and the filtration assembly are started, pure water is introduced into the inlet side of the filtration assembly, and the pure water rinses the first booster pump 101, the first filter 102, the composite purifier 103, the second filter 104, the second booster pump 106, and the third filter 107. After rinsing is completed, pure water flows out from the drain side of the rinsing assembly.

[0090] With this configuration, the embodiments of the present invention can directly flush out the adsorbed substances attached to the filter components by rinsing the filter components, thereby improving the filtration capacity of each filter in the filter components. At the same time, the reverse osmosis membrane of the third filter 107 can be rinsed to prevent membrane blockage caused by bacterial growth on the membrane surface. Subsequently, the booster pump increases the pressure, causing the membrane pores to expand or even perforate, resulting in the membrane becoming unusable.

[0091] Further, in an optional embodiment, the flushing assembly includes a first valve 301, a water storage tank 302, a second valve 303, a fourth booster pump 304, and a third valve 305 connected in series. The other end of the first valve 301 is connected to the wastewater outlet of the third filter 107, and the other end of the third valve 305 is connected between the second booster pump 106 and the third filter 107.

[0092] In practical applications, after the first valve 301 is opened, pure water is introduced into the inlet side of the filter assembly. The pure water then rinses the first booster pump 101, the first filter 102, the composite purifier 103, the second filter 104, the second booster pump 106, and the third filter 107 before flowing into the water storage tank 302, forming a single rinsing loop.

[0093] Furthermore, after the first valve 301 and the third valve 305 are opened, pure water is introduced into the water inlet side of the filter assembly, and the first valve 301, water storage tank 302, second valve 303, fourth booster pump 304, third valve 305, third filter 107 and first valve 301 form a circulating flushing loop.

[0094] With this configuration, the present invention, by forming a single-cycle flushing loop, can flush all filters with clean, pure water, thereby removing adsorbed substances from the filter elements and improving their adsorption capacity. Furthermore, by employing a circulating flushing loop, the third filter 107 can be repeatedly cleaned, effectively removing dirt and microorganisms trapped on the filter element, restoring the purification function of the third filter 107, eliminating filter blockage, reducing the pressure difference across the filter, and preventing secondary pollution of the cooling medium that could affect the quality of the effluent.

[0095] Furthermore, in an optional embodiment, the purification device 4 further includes a fourth valve 306, one end of which is connected to the wastewater outlet of the water storage tank 302, and the other end of which is connected to the water inlet side of the filter assembly.

[0096] In practical application, when the actual liquid level of the water storage tank 302 reaches the predetermined value, the first valve 301 and the fourth valve 306 are opened, and the third valve 305 is closed. The first booster pump 101, the first filter 102, the composite purifier 103, the second filter 104, the second booster pump 106, the third filter 107, the first valve 301, the water storage tank 302, and the fourth valve 306 form a water-saving flushing circuit.

[0097] With this configuration, the embodiments of the present invention, by setting up a water-saving rinsing circuit, can significantly save pure water usage and avoid waste compared to directly discharging pure water. At the same time, it eliminates the need for frequent treatment of the circulating pure water during the rinsing process, reducing the total amount of wastewater generated after filtration and lowering the frequency of wastewater treatment.

[0098] Furthermore, in an optional embodiment, the purification device 4 further includes a wastewater treatment component, which is connected to the fourth booster pump 304, and is connected in parallel with the third valve 305. After the wastewater treatment component is started, pure water in the water storage tank 302 flows into the wastewater treatment component.

[0099] Furthermore, in an optional embodiment, the wastewater treatment assembly includes a waste liquid collection tank 402, a fifth valve 401, and a sixth valve 403; the waste liquid collection tank 402 is provided with an inlet and an outlet; the inlet is connected to the fourth booster pump 304 through the fifth valve 401, and the outlet discharges wastewater to the outside through the sixth valve 403.

[0100] Furthermore, in an optional embodiment, the waste liquid collection tank 402 includes a tank body 501, a tank cover, and a movable frame 503.

[0101] Specifically, in this embodiment of the invention, the interior of the housing 501 is provided with a collection chamber suitable for containing waste liquid, and a liquid collection tank 502 is provided at the bottom of the collection chamber, with the bottom of the liquid collection tank 502 at its lowest point. The liquid collection tank 502 is connected to the sixth valve 403. After the waste liquid is collected, the waste liquid collection tank 402 is pushed outdoors and the sixth valve 403 is opened to drain the liquid.

[0102] Furthermore, the lid is movably mounted on the container 501 to prevent waste liquid from spilling out of the container 501 during pushing. The interior of the movable frame 503 is adapted to hold the container 501, and the bottom of the movable frame 503 is equipped with multiple casters.

[0103] With this configuration, the present invention, through the provision of a movable frame 503, allows personnel to move the waste liquid collection tank 402 to a predetermined location for centralized treatment according to actual conditions, thereby avoiding environmental pollution caused by indiscriminate discharge and improving the work efficiency of staff.

[0104] Furthermore, in an optional embodiment, the purification device 4 further includes a water quality monitoring component and a leakage monitoring component. Specifically, in this embodiment, the water quality monitoring component is disposed at least upstream and downstream of the filtration component along the flow direction of the cooling medium. The water quality monitoring component is used to detect at least the pressure, flow rate, turbidity, pH, and conductivity of the cooling medium. The leakage monitoring component is disposed at the bottom of the filtration component and the rinsing component, and is used to detect whether the cooling medium is leaking. If there is a liquid leak, the leakage monitoring component can provide an immediate alert for timely handling and to prevent unnecessary losses.

[0105] Furthermore, in this embodiment of the invention, the leakage detection component and the filter component can be either fixedly connected or detachably connected. For a fixed connection, welding, bonding, or other methods can be used. For a detachable connection, screws, clips, or magnetic attraction can be used for fixation.

[0106] The following are examples of detachable connection methods. For instance, additional fixing plates can be provided around the edges of the filter assembly. Those skilled in the art can vary the number of fixing plates according to actual needs (e.g., 1, 2, 3, 4, etc.). Screw holes are then made on the fixing plates. On the leak detection assembly, another screw hole is made at the corresponding position. Screws are then passed through the screw holes on the fixing plates and the screw holes on the leak detection assembly in sequence to connect the filter assembly and the leak detection assembly. Alternatively, when using clips and slots for fixing, additional clips can be provided around the edges of the filter assembly. Those skilled in the art can vary the number of clips according to actual needs (e.g., 1, 2, 3, 4, etc.). Slots that cooperate with the clips are then made on the leak detection assembly at the corresponding positions. The clips on the filter assembly are then directly inserted into the slots on the leak detection assembly, thereby connecting the filter assembly and the leak detection assembly. When fixing by magnetic attraction, additional magnetic sheets can be set around the edge of the filter component. Those skilled in the art can change the number of magnetic sheets according to the actual situation, such as 1, 2, 3, 4, etc. Then, a different type of magnetic sheet that can attract the magnetic sheet is made on the leakage detection component at the position corresponding to the magnetic sheet. Then, the magnetic sheet on the filter component is directly aligned with the different type of magnetic sheet embedded on the leakage detection component, thereby magnetically connecting the filter component and the leakage detection component.

[0107] Of course, this embodiment is merely an example of a fixed connection and a detachable connection, but it does not limit the scope of the invention. Those skilled in the art can make changes according to the actual situation to achieve the same technical effect.

[0108] Furthermore, in an optional embodiment, the water quality monitoring component includes an inlet flow sensor 201, an inlet pressure sensor 202, an outlet flow sensor 203, an outlet pressure sensor 204, a conductivity sensor 205, a pH sensor 206, and a turbidity sensor 207.

[0109] Specifically, in this embodiment of the invention, the inlet flow sensor 201 and the inlet pressure sensor 202 are located upstream of the filter assembly, and the outlet flow sensor 203 and the outlet pressure sensor 204 are located downstream of the filter assembly. The conductivity sensor 205, the pH sensor 206, and the turbidity sensor 207 are located downstream of the filter assembly.

[0110] In practical applications, the flow and pressure of the cooling medium entering and exiting the equipment can be monitored in real time using inlet flow sensor 201 and inlet pressure sensor 202. If the pressure exceeds the safety value, safety valve 208 will open to release pressure. One end of safety valve 208 is connected to the filter assembly, and the other end is connected to the outside. If the flow rate is abnormal, the cause can be identified and adjusted in a timely manner to prevent affecting the normal operation of the entire secondary system. Furthermore, the water quality of the cooling medium entering the equipment can be monitored online using conductivity sensor 205, pH sensor 206, and turbidity sensor 207, allowing real-time viewing of the current cooling medium parameters and facilitating the control of the cooling medium water quality.

[0111] Secondly, the present invention also provides a liquid cooling system for a server 5, the liquid cooling system comprising a cold exchange unit 2, a chiller unit 1, a manifold 3, and a purification device 4 for the cooling working fluid as described in any of the above embodiments.

[0112] Specifically, in this embodiment of the invention, the cooling exchange unit 2 is provided with a primary side and a secondary side. The chiller unit 1 is connected to the primary side to form a primary side cooling cycle. The manifold 3 is connected to the secondary side to form a secondary side cooling cycle. The manifold 3 is used to supply cooling fluid to each server cold plate.

[0113] Furthermore, the inlet side of the filter component in the purification device 4 is connected to the outlet of the distributor 3, and the cooling medium flows from the outlet side of the filter component to each server cold plate in the server 5.

[0114] Purification equipment 4 is equipped with an alarm 601, which can output the equipment's operating status in real time through sound and light modes. A red alarm light illuminates and a buzzer sounds when the equipment malfunctions; a solid yellow light illuminates when the equipment is in standby mode; and a solid green light illuminates when the equipment is operating normally. Purification equipment 4 also features a capacitive touchscreen all-in-one machine 602, which can display relevant operating statuses and interface data, and has functions such as visualizing operating parameters, saving and uploading operating information. Purification equipment 4 is also equipped with casters 603 for easy movement during use.

[0115] Furthermore, in an optional embodiment, the chassis also includes a separate cooling fan for dissipating heat from the server 5, and a temperature detection component for monitoring the temperature of each server 5. The cooling fan is movable; in a specific implementation, it can be connected to a drive component, allowing the cooling fan to rotate automatically under the drive of the drive component. The temperature detection component is communicatively connected to the drive component. The temperature detection component is adapted to detect the temperature of each detection area on the server 5. The drive component can drive the cooling fan to rotate according to the temperature of each detection area, adjusting the airflow direction by rotating it.

[0116] Specifically, when the actual temperature of the detection area is higher than the predetermined temperature, the temperature detection component controls the drive component to drive the cooling fan to rotate, so that the cooling airflow can dissipate heat from the detection area.

[0117] In actual operation, server 5 needs to be divided into regions first. A coordinate system is established with the center of server 5 as the origin, the length of server 5 as the vertical axis, and the width of server 5 as the horizontal axis. Then, the temperature of each detection region on server 5 is monitored by a temperature detection component. Because each detection region has its own coordinate range, when the actual temperature of a certain detection region is higher than the predetermined temperature, the coordinate range of that detection region needs to be obtained first. Then, the cooling fan is controlled to rotate, so that the cooling airflow dissipates heat according to the specified range of the coordinate region until the temperature of that detection region falls below the predetermined temperature again.

[0118] With this configuration, this embodiment of the invention, by setting up a temperature detection component and a drive component, can control the cooling fan to rotate when a certain area on the server 5 is detected to have a high temperature, so that the cooling airflow can accurately dissipate heat from the detected area, thus achieving complete automation.

[0119] Further, in an optional implementation, the temperature detection component includes a control module, an infrared sensor, and a temperature sensor that are communicatively connected to each other. The infrared sensor and the temperature sensor can be arranged in an array or placed at a specific location. Specifically, in this embodiment of the invention, after establishing a coordinate system, the temperature of each detection area on the server 5 is detected by the infrared sensor and the temperature sensor. Because each detection area has its own coordinate range, when the actual temperature of a certain detection area is higher than a predetermined temperature, the control module needs to first obtain the coordinate range of that detection area, and then the control module controls the heat dissipation component to move to the detection area and dissipate heat according to the specified range of the coordinate range until the temperature of that detection area falls below the predetermined temperature again.

[0120] In a preferred embodiment, the temperature signal can be processed into a temperature distribution map and one or more areas that need to be focused on heat dissipation can be selected. For example, if the temperature of area A is 80°C and the temperature of other areas is below 40°C, then area A is the area that needs to be focused on heat dissipation, and the other areas are specific areas that need to be dissipated later.

[0121] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and all such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A purification device for cooling a working fluid, characterized in that, include: The filter assembly includes multiple filters connected in series and a sterilization device; the inlet side of the filter assembly is suitable for introducing cooling medium or pure water, and the outlet side of the filter assembly is suitable for discharging cooling medium. A flushing assembly, wherein the return water side of the flushing assembly is connected to the inlet water side of the filter assembly, the inlet water side of the flushing assembly is connected to at least a portion of the filter assembly, and the drain water side of the flushing assembly is connected to the outside; the flushing assembly flushes at least a portion of the filter assembly. When the filter assembly is started, after the cooling medium is introduced into the inlet side of the filter assembly, the cooling medium flows out from the outlet side of the filter assembly. When the flushing assembly and the filter assembly are started, pure water is introduced into the inlet side of the filter assembly, and the pure water forms a flushing circuit between at least a portion of the flushing assembly and the filter assembly, and the filter assembly is flushed through the flushing circuit; after flushing is completed, the pure water flows out from the drain side of the flushing assembly. The filtration assembly includes a first booster pump (101), a first filter (102), a composite purifier (103), a second filter (104), a second booster pump (106), a third filter (107), an ultraviolet sterilization device (108), a third booster pump (109), a buffer tank (110), and an exhaust valve (111) connected in series. The flushing assembly includes a first valve (301), a water storage tank (302), a second valve (303), a fourth booster pump (304), and a third valve (305) connected in series. The other end of the first valve (301) is connected to the wastewater outlet of the third filter (107), and the other end of the third valve (305) is connected between the second booster pump (106) and the third filter (107). When the first valve (301) is opened, pure water is introduced into the inlet side of the filter assembly. The pure water then rinses the first booster pump (101), the first filter (102), the composite purifier (103), the second filter (104), the second booster pump (106), and the third filter (107) before flowing into the water storage tank (302), forming a single rinsing circuit. All filters are rinsed through the single rinsing circuit. When the first valve (301) and the third valve (305) are opened, pure water is introduced into the inlet side of the filter assembly. The first valve (301), the water storage tank (302), the second valve (303), the fourth booster pump (304), the third valve (305), the third filter (107), and the first valve (301) form a circulating flushing circuit. The third filter (107) is cleaned multiple times through the circulating flushing circuit. Also includes: The fourth valve (306) has one end connected to the wastewater outlet of the water storage tank (302) and the other end connected to the water inlet side of the filter assembly. When the actual liquid level in the water storage tank (302) reaches the predetermined value, the first valve (301) and the fourth valve (306) are opened, and the third valve (305) is closed. The first booster pump (101), the first filter (102), the composite purifier (103), the second filter (104), the second booster pump (106), the third filter (107), the first valve (301), the water storage tank (302), and the fourth valve (306) form a water-saving flushing circuit.

2. The purification apparatus for the cooling working fluid according to claim 1, characterized in that, The other end of the first booster pump (101) is the water inlet side, and the cooling medium enters through the other end of the first booster pump (101); the first booster pump (101) is used to pressurize the cooling medium; The first filter (102) has a filtration accuracy between 40 micrometers and 60 micrometers; the first filter (102) is used to remove particulate matter; The composite purifier (103) is used at least to adsorb residual chlorine, colloidal substances, and organic matter in the cooling working fluid; the composite purifier (103) is an activated carbon ceramic composite purifier (103). The second filter (104) has a filtration accuracy between 4 micrometers and 6 micrometers; The second booster pump (106) is used to repressurize the cooling medium that has passed through the second filter (104); The third filter (107) has a filtration accuracy at the nanometer level. The ultraviolet sterilization device (108) sterilizes microorganisms in the cooling working fluid using ultraviolet light; The third booster pump (109) is used to provide the outlet water pressure of the cooling working fluid; The buffer tank (110) has an inlet that is connected to the outlet of the third booster pump (109), and the outlet of the buffer tank (110) is the outlet side. The vent of the buffer tank (110) is equipped with an vent valve (111).

3. The purification apparatus for the cooling working fluid according to claim 2, characterized in that, The inlet of the third filter (107) is connected to the second booster pump (106), the outlet of the third filter (107) is connected to the ultraviolet sterilization device (108), the wastewater end of the third filter (107) is connected to the water inlet side of the flushing assembly, and the return water side of the flushing assembly is connected to the other end of the first booster pump (101). When the flushing assembly and the filter assembly are started, pure water is introduced into the inlet side of the filter assembly, and the pure water flushes the first booster pump (101), the first filter (102), the composite purifier (103), the second filter (104), the second booster pump (106), and the third filter (107); after flushing is completed, pure water flows out from the drain side of the flushing assembly.

4. The purification apparatus for the cooling working fluid according to claim 3, characterized in that, Also includes: The wastewater treatment component is connected to the fourth booster pump (304), so that the wastewater treatment component is connected in parallel with the third valve (305); After the wastewater treatment component is started, pure water in the water storage tank (302) flows into the wastewater treatment component.

5. The purification apparatus for the cooling working fluid according to claim 4, characterized in that, The wastewater treatment assembly includes a waste liquid collection tank (402), a fifth valve (401), and a sixth valve (403); the waste liquid collection tank (402) is provided with an inlet and a outlet; the inlet is connected to the fourth booster pump (304) through the fifth valve (401), and the outlet discharges wastewater to the outside through the sixth valve (403).

6. The purification apparatus for the cooling working fluid according to claim 5, characterized in that, The waste liquid collection tank (402) includes: The housing (501) has an internal collection chamber suitable for containing waste liquid; a liquid collection tank (502) is provided at the bottom of the collection chamber, and the bottom of the liquid collection tank (502) is at the lowest point; the liquid collection tank (502) is connected to the sixth valve (403); A lid is movably mounted on the box body (501); A movable frame (503) is provided, the interior of which is adapted to house the box (501); the bottom of the movable frame (503) is equipped with multiple casters (603).

7. The purification apparatus for the cooling working fluid according to any one of claims 1 to 6, characterized in that, The purification device (4) also includes: A water quality monitoring component is provided at least upstream and downstream of the filtration component along the flow direction of the cooling medium; the water quality monitoring component is used to detect at least the pressure, flow rate, turbidity, pH, and conductivity of the cooling medium. A leakage detection component is located at the bottom of the filter component and the flushing component; the leakage detection component is used to detect whether the coolant is leaking.

8. The purification apparatus for the cooling working fluid according to claim 7, characterized in that, The water quality monitoring component includes: An inlet flow sensor (201) and an inlet pressure sensor (202) are located upstream of the filter assembly; An outlet flow sensor (203) and an outlet pressure sensor (204) are disposed downstream of the filter assembly; A conductivity sensor (205), a pH sensor (206), and a turbidity sensor (207) are disposed downstream of the filter assembly.

9. A liquid cooling system for a server, characterized in that, include: The cooling exchange unit (2) is provided with a primary side and a secondary side; The chiller unit (1) is connected to the primary side to form a primary side cooling cycle; The manifold (3) is connected to the secondary side to form a secondary side cooling cycle; the manifold (3) is used to supply cooling fluid to the cold plates of each server (5); The purification device (4) for the cooling working fluid as described in any one of claims 1 to 8, wherein the water inlet side of the filter assembly in the purification device (4) is connected to the outlet of the distributor (3), and the cooling working fluid flows from the water outlet side of the filter assembly to the cold plates of each server (5).

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