Cooling capacity distribution unit and cooling capacity control cabinet

Abstract

A cooling capacity distribution unit comprises a first pump, a second pump, a pump inlet pipeline, a pump outlet pipeline, a heat exchanger and a first backflow pipeline. The pump inlet line includes a first inlet end check valve, a first pump inlet tube, a second inlet end check valve, and a second pump inlet tube. The pump outlet pipeline comprises a first outlet end check valve, a first pump outlet pipe, a second outlet end check valve and a second pump outlet pipe. And the first pump outlet pipe and / or the second pump outlet pipe are / is connected with an inlet of the first heat exchanger. One end of the first return pipeline is connected with the outlet of the first heat exchanger, and the other end of the first return pipeline is connected with the immersed liquid cooling cabinet. Compared with the prior art, parts can be maintained when the system runs. The invention further discloses a cooling capacity control cabinet with the cooling capacity distribution unit.

Description

Background Art

[0002] With the continuous development of high-density business applications such as the Internet of Things, artificial intelligence, virtual reality, and smart cities, the amount of data calculations and the complexity of calculations that data centers have to deal with are growing rapidly. In order to reconcile the rapidly growing demand for computing power, existing data centers mainly achieve computing power upgrades by continuously increasing the density of single cabinets, which makes the heat flux density and energy consumption of data centers continue to rise. In order to cope with the heat dissipation problem of such high heat flux density computing power equipment, immersion liquid cooling technology is used as a new, efficient, green and energy-saving data center cooling solution. By immersing the heat-generating equipment in the coolant, the heat-generating device is in direct contact with the coolant, and the generated heat is transferred to the coolant. The heat is then exchanged using the isolated primary / secondary side circulating flow path fluid circuits of the Cooling Distribution Unit (CDU) to remove the heat, thereby forming a circulating and efficient cooling system.

[0003] Rack-mounted CDU is a cooling distribution unit installed in a standard rack. It is usually sized in rack units to facilitate installation in the racks of a data center. Rack-mounted CDU is generally suitable for small data centers or scenarios where liquid cooling needs to be deployed in a limited space. It is compact in design to take up less space in the computer room.

[0004] In the prior art, due to space limitations, it is difficult to effectively improve the heat exchange performance of rack-type CDUs, and installation and maintenance operations are inconvenient.

[0005] Therefore, it is necessary to improve the cooling distribution unit and cooling control cabinet in the related art. Summary of the invention

[0006] The object of the present invention is to provide a refrigeration distribution unit and a refrigeration control cabinet with high maintainability.

[0007] To achieve the above object, the present invention adopts the following technical solution: a cooling distribution unit configured to dissipate heat for equipment in an immersion liquid cooling cabinet, the cooling distribution unit comprising:

[0008] a first pump having a first inlet and a first outlet;

[0009] a second pump, the second pump being provided with a second inlet and a second outlet; the first pump being arranged in parallel with the second pump; the first pump and / or the second pump being configured to pump out the first cooling liquid in the immersion liquid cooling cabinet;

[0010] a pump inlet pipeline, the pump inlet pipeline comprising a first inlet-end check valve connected to a first inlet of the first pump, a first pump inlet pipe connected to the first inlet-end check valve, a second inlet-end check valve connected to a second inlet of the second pump, and a second pump inlet pipe connected to the second inlet-end check valve;

[0011] a pump outlet pipeline, the pump outlet pipeline comprising a first outlet-end check valve connected to a first outlet of the first pump, a first pump outlet pipe connected to the first outlet-end check valve, a second outlet-end check valve connected to a second outlet of the second pump, and a second pump outlet pipe connected to the second outlet-end check valve;

[0012] A heat exchanger, wherein the heat exchanger comprises a first heat exchanger inlet and a first heat exchanger outlet; the first pump outlet pipe and / or the second pump outlet pipe are connected to the first heat exchanger inlet;

[0013] A first return pipeline, one end of which is connected to the outlet of the first heat exchanger, and the other end of which is configured to be connected to the immersion liquid cooling cabinet; the first return pipeline includes a first main return pipe, a first branch return pipe connected to the first main return pipe, a second branch return pipe connected to the first main return pipe and in parallel with the first branch return pipe, and a second main return pipe connected to the first branch return pipe and the second branch return pipe.

[0014] As a further improved technical solution of the present invention, the pump inlet pipeline also includes at least one inlet pipeline sensor for detecting the pump inlet pipeline, and the pump outlet pipeline also includes at least one first outlet pipeline sensor for detecting the pump outlet pipeline.

[0015] As a further improved technical solution of the present invention, the first reflux pipeline includes at least one reflux pipeline sensor; the first branch reflux pipe and the second branch reflux pipe are each provided with at least one control valve.

[0016] As a further improved technical solution of the present invention, the pump inlet pipeline also includes a main inlet pipe connecting the first pump inlet pipe and the second pump inlet pipe, and the main inlet pipe is configured to be connected to the first coolant in the immersion liquid cooling cabinet.

[0017] As a further improved technical solution of the present invention, the main inlet pipe includes a first main inlet pipe and a second main inlet pipe connected to the first main inlet pipe;

[0018] The inlet pipe sensor includes a first inlet main pipe sensor provided at the first main inlet pipe and a second inlet main pipe sensor provided at the second main inlet pipe.

[0019] As a further improved technical solution of the present invention, the main inlet pipe further includes a first bypass pipe connecting the first main inlet pipe and the second main inlet pipe and a first regulating valve connected to the first bypass pipe.

[0020] As a further improved technical solution of the present invention, the first main inlet pipe is also connected to a first manual butterfly valve, a second manual butterfly valve and a first filter connected between the first manual butterfly valve and the second manual butterfly valve.

[0021] As a further improved technical solution of the present invention, the pump outlet pipeline includes a main outlet pipe connecting the first pump outlet pipe and the second pump outlet pipe; the first outlet pipeline sensor is connected to the main outlet pipe.

[0022] As a further improved technical solution of the present invention, the pump outlet pipeline also includes a second metal bellows connecting the main outlet pipe and the inlet of the first heat exchanger.

[0023] As a further improved technical solution of the present invention, the first return pipeline also includes a second regulating valve connected to the first main return pipe and close to the outlet of the first heat exchanger, and a pressure regulating device connected to the second regulating valve.

[0024] As a further improved technical solution of the present invention, the first main return pipe also includes a third metal bellows and a first return pipe sensor connected downstream of the third metal bellows, and the return pipe sensor includes the first return pipe sensor.

[0025] As a further improved technical solution of the present invention, the first branch return pipe is provided with a first control valve, a second control valve and a second filter connected between the first control valve and the second control valve; the control valve of the first branch return pipe includes the first control valve and the second control valve.

[0026] As a further improved technical solution of the present invention, the second branch return pipe is provided with a third control valve and a fourth control valve, and the control valves of the second branch return pipe include the third control valve and the fourth control valve.

[0027] As a further improved technical solution of the present invention, the second main return pipe is provided with a fifth control valve, a sixth control valve, a first flow device connected between the fifth control valve and the sixth control valve, and a second return pipe sensor;

[0028] The return line sensor includes the second return line sensor.

[0029] As a further improved technical solution of the present invention, the cooling capacity distribution unit includes a primary side circulation flow path and a secondary side circulation flow path;

[0030] The heat exchanger comprises a second heat exchanger inlet and a second heat exchanger outlet;

[0031] The primary side circulation flow path includes an outlet pipeline connected to the inlet of the second heat exchanger and a second return pipeline connected to the outlet of the second heat exchanger;

[0032] The secondary side circulation flow path includes the first pump and / or the second pump, the pump inlet pipeline, the pump outlet pipeline and the first return pipeline.

[0033] As a further improved technical solution of the present invention, the outlet pipeline includes a first regulating valve, a second outlet pipeline sensor connected downstream of the first regulating valve, a three-way electric valve connected downstream of the second outlet pipeline sensor, and a second flow device connected between the three-way electric valve and the inlet of the second heat exchanger.

[0034] As a further improved technical solution of the present invention, the second return line includes a third return line sensor, a second one-way valve connected downstream of the third return line sensor, and a second control valve connected downstream of the second one-way valve.

[0035] As a further improved technical solution of the present invention, the primary side circulation flow path also includes a second bypass pipe connected between the three-way electric valve and the second return pipeline, and the three-way electric valve can control whether the second bypass pipe is conductive.

[0036] The present invention also discloses a cooling capacity control cabinet, which comprises:

[0037] A cooling distribution unit, wherein the cooling distribution unit is the aforementioned cooling distribution unit;

[0038] a cabinet body, the cabinet body comprising a bottom plate and a plurality of side plates, the first pump and the second pump being mounted on the bottom plate; and

[0039] At least one running wheel is mounted on the bottom of the base plate.

[0040] Compared with the prior art, the cooling distribution unit and cooling control cabinet of the present invention include a first pump and a second pump arranged in parallel, and combined with a first inlet check valve, a second inlet check valve, a first outlet check valve and a second outlet check valve and other components that cooperate with the first pump and the second pump, it is possible to maintain or replace the first pump or the second pump that may fail without affecting the operation of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a working principle diagram of the cold distribution unit of the present invention;

[0042] Figure 2 is a three-dimensional schematic diagram of a cooling capacity control cabinet in one embodiment of the present invention;

[0043] Figure 3 yes Figure 2 A partially exploded perspective view of a side panel of the vehicle.

[0044] Figure 4 yes Figure 3 Partial three-dimensional exploded view from another angle;

[0045] Figure 5 Yes Figure 3 The main view after one of the side panels;

[0046] Figure 6 It is a three-dimensional schematic diagram of the cooling capacity control cabinet of the present invention after removing some side panels and the top panel;

[0047] Figure 7 yes Figure 6 The main view;

[0048] Figure 8 is a three-dimensional schematic diagram of a cooling capacity distribution unit of the present invention in one embodiment;

[0049] Fig. 9 yes Figure 8 The main view;

[0050] Fig.10 yes Figure 8 Rear view of

[0051] Fig.11 yes Figure 8 Left view of

[0052] Fig.12 yes Figure 8 Right view of;

[0053] Fig.13 yes Figure 8 A top view of

[0054] Fig.14 yes Figure 8 Bottom view of . DETAILED DESCRIPTION

[0055] The exemplary embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; on the contrary, they are only examples of devices, products and / or methods consistent with some aspects of the present invention as recorded in the claims of the present invention.

[0056] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the scope of protection of the present invention. The singular forms "a", "said" or "the" used in the specification and claims of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.

[0057] It should be understood that the words used in the specification and claims of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, words such as "one" or "an" do not indicate a quantitative limitation, but indicate the existence of at least one. Unless otherwise specified, words such as "front", "rear", "upper", "lower" and similar words appearing in the present invention are only for the convenience of explanation and are not limited to a specific position or a spatial orientation. Words such as "include" or "comprise" are an open-ended expression, meaning that the elements appearing before "include" or "comprise" include the elements appearing after "include" or "comprise" and their equivalents, which does not exclude that the elements appearing before "include" or "comprise" may also include other elements. If "several" appears in the present invention, it means two or more.

[0058] Please refer to Figure 1As shown, the present invention discloses a cold distribution unit 100, which includes a primary side circulation flow path and a secondary side circulation flow path, wherein the second side includes a first pump 11, a second pump 12, a pump inlet pipeline 2, a pump outlet pipeline 3, a heat exchanger 4, a first return pipeline 51 and an immersion liquid cooling cabinet 61. The primary side circulation flow path includes a third pump 13, an outlet pipeline 7 connected to the outlet of the third pump 13, a heat exchanger 4 connected to the outlet pipeline 7, a second return pipeline 52 connected to the inlet of the second pump 13 and a chiller 62. A heat generating device 611 that needs to be radiated and a first coolant 612 soaking the heat generating device 611 are installed in the immersion liquid cooling cabinet 61. The heat generating device 611 includes but is not limited to a server. The first coolant 612 includes but is not limited to water. The chiller 62 includes a second coolant 622, and the second coolant 622 includes but is not limited to water. The first coolant 612 of the primary-side circulation flow path and the second coolant 622 of the secondary-side circulation flow path perform heat exchange in the heat exchanger 4 to achieve temperature control.

[0059] The first pump 11 is provided with a first inlet 111 and a first outlet 112 .

[0060] The second pump 12 is provided with a second inlet 121 and a second outlet 122. The first pump 11 and the second pump 12 are arranged in parallel to facilitate maintenance and replacement of one of the pumps without affecting the operation of the entire system. A person skilled in the art will understand that the types of the first pump 11 and the second pump 12 can be flexibly selected from the prior art as needed, and the present invention will not elaborate on this.

[0061] The pump inlet pipeline 2 includes a first inlet end check valve 21 connected to the first inlet 111 of the first pump 11, a first pump inlet pipe 22 connected to the first inlet end check valve 21, a second inlet end check valve 23 connected to the second inlet 121 of the second pump 12, a second pump inlet pipe 24 connected to the second inlet end check valve 23, and at least one inlet pipeline sensor for detecting the pump inlet pipeline 2. Figure 1 As shown, the first inlet check valve 21 is detachably connected to the pump inlet pipeline 2, wherein the two small black dots on both sides of the first inlet check valve 21 indicate that the position is detachably connected. To simplify the description, Figure 1 The two small black dots on both sides of a component indicate that the position is detachably connected.

[0062] Specifically, in the illustrated embodiment of the present invention, the pump inlet pipeline 2 also includes a main inlet pipe 25 connecting the first pump inlet pipe 22 and the second pump inlet pipe 24, and the main inlet pipe 25 is configured to be connected to the first coolant 612 in the immersion liquid cooling cabinet 61, so as to flow the high-temperature first coolant 612 from the main inlet pipe 25 into the secondary side circulation flow path of the cooling distribution unit 100 through the first pump 11 and / or the second pump 12.

[0063] In the illustrated embodiment of the present invention, the main inlet pipe 25 includes a first main inlet pipe 251 and a second main inlet pipe 252 connected to the first main inlet pipe 251. The inlet pipe sensor includes a first inlet main pipe sensor 261 provided at the first main inlet pipe 251 and a second inlet main pipe sensor 262 provided at the second main inlet pipe 252. In one embodiment of the present invention, both the first inlet main pipe sensor 261 and the second inlet main pipe sensor 262 are integrated temperature and pressure sensors. The redundant design of the integrated temperature and pressure sensor can ensure the reliability of detection and signal feedback under single fault conditions. Of course, technicians in the relevant technical field can understand that the integrated temperature and pressure sensor can also be replaced by the combination of a temperature sensor and a pressure sensor.

[0064] In addition, the main inlet pipe 25 further includes a first bypass pipe 27 connecting the first main inlet pipe 251 and the second main inlet pipe 252, and a first regulating valve 271 connected to the first bypass pipe 27. The first regulating valve 271 may be a manual butterfly valve. In one embodiment of the present invention, the first bypass pipe 27 is a first metal bellows (e.g., a stainless steel bellows), which reduces processing accuracy and difficulty and improves installation flexibility.

[0065] The first main inlet pipe 251 is also connected to a first manual butterfly valve 281, a second manual butterfly valve 282, and a first filter 283 (for example, a Y-type filter) connected between the first manual butterfly valve 281 and the second manual butterfly valve 282. A person skilled in the art will appreciate that by providing the first manual butterfly valve 281 and the second manual butterfly valve 282, the first filter 283 can be maintained or replaced without affecting the operation of the system. When the first filter 283 is maintained or replaced, the first manual butterfly valve 281 and the second manual butterfly valve 282 are in a closed position (non-conducting position, the same below). At this time, the first regulating valve 271 is in an open position (conducting position, the same below). The coolant can flow to the first inlet 111 of the first pump 11 and / or the second inlet 121 of the second pump 12 through the first bypass pipe 27. Normally, the first regulating valve 271 is in the closed position, the first manual butterfly valve 281 and the second manual butterfly valve 282 are in the open position, and the coolant flows from the first manual butterfly valve 281, the first filter 283 and the second manual butterfly valve 282 to the first inlet 111 of the first pump 11 and / or the second inlet 121 of the second pump 12. The second inlet main line sensor 262 connected to the downstream of the first filter 283 along the flow direction of the coolant can detect the system pressure, and when the system pressure exceeds the set value, a signal is sent to remind the first filter 283 that it may need to be maintained or replaced due to blockage.

[0066] The pump outlet pipeline 3 includes a first outlet check valve 31 connected to the first outlet 112 of the first pump 11, a first pump outlet pipe 32 connected to the first outlet check valve 31, a second outlet check valve 33 connected to the second outlet 122 of the second pump 12, a second pump outlet pipe 34 connected to the second outlet check valve 33, a first one-way valve 35 connected downstream of the first outlet 112 of the first pump 11 and the second outlet 122 of the second pump 12, and at least one first outlet pipeline sensor 36 for detecting the pump outlet pipeline 3. In one embodiment of the present invention, the first outlet pipeline sensor 36 is a temperature and pressure integrated sensor.

[0067] Those skilled in the art can understand that by closing the first inlet check valve 21 and the first outlet check valve 31, the first pump 11 connected between the first inlet check valve 21 and the first outlet check valve 31 can be maintained or replaced. Similarly, by closing the second inlet check valve 23 and the second outlet check valve 33, the second pump 12 connected between the second inlet check valve 23 and the second outlet check valve 33 can be maintained or replaced.

[0068] The heat exchanger 4 includes a first heat exchanger inlet 41, a first heat exchanger outlet 42, a second heat exchanger inlet 43 and a second heat exchanger outlet 44. The first heat exchanger inlet 41 and the first heat exchanger outlet 42 are located on the same side of the heat exchanger 4 and are interconnected; the second heat exchanger inlet 43 and the second heat exchanger outlet 44 are located on the same side of the heat exchanger 4 and are interconnected. The first pump outlet pipe 32 and / or the second pump outlet pipe 34 are connected to the first heat exchanger inlet 41.

[0069] In one embodiment of the present invention, the heat exchanger 4 is a double-channel plate heat exchanger, wherein the first heat exchanger inlet 41 and the first heat exchanger outlet 42 are connected to one channel of the double-channel plate heat exchanger; the second heat exchanger inlet 43 and the second heat exchanger outlet 44 are connected to the other channel of the double-channel plate heat exchanger.

[0070] Specifically, in the illustrated embodiment of the present invention, the pump outlet pipeline 3 includes a main outlet pipe 37 connecting the first pump outlet pipe 32 and the second pump outlet pipe 34. The first one-way valve 35 and the first outlet pipeline sensor 36 are both connected to the main outlet pipe 37. The first one-way valve 35 is used to prevent the first coolant 612 from being sucked back into the first pump 11 and / or the second pump. The pump outlet pipeline 3 also includes a second metal bellows 38 connecting the main outlet pipe 37 and the first heat exchanger inlet 41. The second metal bellows 38 is provided to improve the flexibility of pipeline installation.

[0071] One end of the first return pipe 51 is connected to the first heat exchanger outlet 42 , and the other end of the first return pipe 51 is configured to be connected to the immersion liquid cooling cabinet 61 to return the cooled first cooling liquid 612 to the immersion liquid cooling cabinet 61 .

[0072] In the illustrated embodiment of the present invention, the first return pipe 51 includes a first main return pipe 510, a first branch return pipe 511 connected to the first main return pipe 510, a second branch return pipe 512 connected to the first main return pipe 510 and in parallel with the first branch return pipe 511, a second main return pipe 513 connected to the first branch return pipe 511 and the second branch return pipe 512, and a return pipe sensor.

[0073] The first return line 51 further includes a second regulating valve 5141 connected to the first main return pipe 510 and close to the first heat exchanger outlet 42, and a pressure regulating device 5142 connected to the second regulating valve 5141. The second regulating valve 5141 may be a manual butterfly valve. The pressure regulating device 5142 includes but is not limited to an expansion tank, and the pressure regulating device 5142 is used to compensate for the volume change of the first coolant 612 when the temperature changes, so as to prevent the system pressure from being too high.

[0074] The first main return pipe 510 further includes a third metal bellows 5101 and a first return pipe sensor 5102 connected downstream of the third metal bellows 5101. The first return pipe sensor 5102 is a temperature and pressure integrated sensor. The return pipe sensor includes the first return pipe sensor 5102.

[0075] The first branch return pipe 511 is provided with a first control valve 5111, a second control valve 5112, and a second filter 5113 (e.g., a Y-type filter) connected between the first control valve 5111 and the second control valve 5112. A person skilled in the art will appreciate that by providing the first control valve 5111 and the second control valve 5112, the second filter 5113 can be maintained or replaced without affecting the operation of the system. In one embodiment of the present invention, both the first control valve 5111 and the second control valve 5112 are manual butterfly valves.

[0076] The second branch return pipe 512 is provided with a third control valve 5121 and a fourth control valve 5122. In one embodiment of the present invention, the third control valve 5121 and the fourth control valve 5122 are both manual butterfly valves.

[0077] The second main return pipe 513 is provided with a fifth control valve 5131, a sixth control valve 5132, a first flow device 5133 connected between the fifth control valve 5131 and the sixth control valve 5132, and a second return pipe sensor 5134. The first flow device 5133 is a flow meter or a flow sensor. The second return pipe sensor 5134 is a temperature and pressure integrated sensor. The return pipe sensor includes the second return pipe sensor 5134.

[0078] The outlet pipeline 7 includes a first regulating valve 71, a second outlet pipeline sensor 72 connected downstream of the first regulating valve 71, a three-way electric valve 73 connected downstream of the second outlet pipeline sensor 72, and a second flow device 74 connected between the three-way electric valve 73 and the second heat exchanger inlet 43. In one embodiment of the present invention, the first regulating valve 71 can be a manual butterfly valve. The second outlet pipeline sensor 72 is a temperature and pressure integrated sensor. The second flow device 74 is a flow meter or a flow sensor.

[0079] The second return line 52 includes a third return line sensor 521, a second one-way valve 522 connected downstream of the third return line sensor 521, and a second control valve 523 connected downstream of the second one-way valve 522. In one embodiment of the present invention, the third return line sensor 521 is a temperature and pressure integrated sensor, and the second control valve 523 can be a manual butterfly valve.

[0080] The primary side circulation flow path further includes a second bypass pipe 8 connected between the three-way electric valve 73 and the second return line 52. The three-way electric valve 73 can control whether the second bypass pipe 8 is conductive. In one embodiment of the present invention, the second bypass pipe 8 is a fourth metal bellows (for example, a stainless steel bellows), which reduces processing accuracy and difficulty and improves installation flexibility.

[0081] Please combine Figures 2 to 14 As shown, the present invention also discloses a cooling capacity control cabinet 200, which includes a cooling capacity distribution unit 100 and a cabinet body 300. Figures 2 to 14 The specific structure of the cooling capacity distribution unit 100 disclosed in the disclosure is based on Figure 1 Of course, those skilled in the art will understand that Figures 2 to 14 The specific structure of the cooling capacity distribution unit 100 disclosed in the disclosure does not necessarily have to be based on Figure 1The installation positions of the various components shown in the principle of the cold distribution unit 100 shown are exactly the same. For example, the installation positions of some sensors in the pipeline can be flexibly adjusted as needed, and are not necessarily fixed at a specific position. The cabinet 300 includes a bottom plate 301, a plurality of side plates 302 and a top plate 303. The first pump 11 and the second pump 12 are installed on the bottom plate 301 for easy installation and maintenance. A strong current distribution box 304 and a weak current distribution box 305 are also provided in the cabinet 300, wherein the strong current distribution box 304 and the weak current distribution box 305 are both located in the middle and upper part of the cabinet 300, wherein the strong current distribution box 304 is located below the top plate 303, and the weak current distribution box 305 is located on the inner wall of one of the side plates 302. The strong current distribution box 304 and the weak current distribution box 305 of the present invention are both independently arranged and separated from the fluid pipeline system, which is conducive to avoiding interference failure. Of course, those skilled in the art will appreciate that the cooling capacity control cabinet 200 also includes other components such as switches.

[0082] In addition, in the illustrated embodiment of the present invention, the cooling capacity control cabinet 200 further includes at least one walking wheel 306 installed at the bottom of the base plate 301 to facilitate moving the cooling capacity control cabinet 200 .

[0083] Compared with the prior art, the cooling capacity distribution unit 100 and the cooling capacity control cabinet 200 of the present invention include a first pump 11 and a second pump 12 arranged in parallel, and are combined with the first inlet check valve 21, the second inlet check valve 23, the first outlet check valve 31 and the second outlet check valve 33 and other components that cooperate with the first pump 11 and the second pump 12, so that the first pump 11 or the second pump 12 that may fail can be maintained or replaced without affecting the operation of the system. In addition, the present invention is provided with a first inlet main line sensor 261, a second inlet main line sensor 262, a first outlet pipeline sensor 36, a second outlet pipeline sensor 72, a first return pipeline sensor 5102 and a second return pipeline sensor 521, which can monitor the cooling capacity, flow, pressure and temperature of the relevant pipelines, and is conducive to the maintenance of the pipelines that may fail.

[0084] In addition, in order to cope with the comprehensive cooling of the equipment in the entire immersion cabinet, the cooling distribution unit 100 and the cooling control cabinet 200 of the present invention can provide independent cooling for each cabinet more directly, thereby achieving a more uniform and comprehensive cooling effect.

[0085] The above implementation modes are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. The understanding of the present invention should be based on the technical personnel in the relevant technical field. Although the present invention has been described in detail in this specification with reference to the above implementation modes, the ordinary technical personnel in the field should understand that the technical personnel in the relevant technical field can still modify or replace the present invention with equivalents, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A cooling capacity distribution unit configured to dissipate heat from equipment in an immersion liquid cooling cabinet, characterized in that: The cooling capacity distribution unit comprises: a first pump having a first inlet and a first outlet; a second pump, the second pump being provided with a second inlet and a second outlet; the first pump being arranged in parallel with the second pump; the first pump and / or the second pump being configured to pump out the first cooling liquid in the immersion liquid cooling cabinet; a pump inlet pipeline, the pump inlet pipeline comprising a first inlet-end check valve connected to a first inlet of the first pump, a first pump inlet pipe connected to the first inlet-end check valve, a second inlet-end check valve connected to a second inlet of the second pump, and a second pump inlet pipe connected to the second inlet-end check valve; a pump outlet pipeline, the pump outlet pipeline comprising a first outlet-end check valve connected to a first outlet of the first pump, a first pump outlet pipe connected to the first outlet-end check valve, a second outlet-end check valve connected to a second outlet of the second pump, and a second pump outlet pipe connected to the second outlet-end check valve; A heat exchanger, wherein the heat exchanger comprises a first heat exchanger inlet and a first heat exchanger outlet; the first pump outlet pipe and / or the second pump outlet pipe are connected to the first heat exchanger inlet; A first return pipeline, one end of which is connected to the outlet of the first heat exchanger, and the other end of which is configured to be connected to the immersion liquid cooling cabinet; the first return pipeline includes a first main return pipe, a first branch return pipe connected to the first main return pipe, a second branch return pipe connected to the first main return pipe and in parallel with the first branch return pipe, and a second main return pipe connected to the first branch return pipe and the second branch return pipe.

2. The cooling distribution unit according to claim 1, characterized in that: The pump inlet pipeline further includes at least one inlet pipeline sensor for detecting the pump inlet pipeline, and the pump outlet pipeline further includes at least one first outlet pipeline sensor for detecting the pump outlet pipeline.

3. The cooling distribution unit according to claim 1, characterized in that: The first return pipe includes at least one return pipe sensor; the first branch return pipe and the second branch return pipe are each provided with at least one control valve.

4. The cooling capacity distribution unit according to claim 2, characterized in that: The pump inlet pipeline further includes a main inlet pipe connecting the first pump inlet pipe and the second pump inlet pipe, and the main inlet pipe is configured to communicate with the first cooling liquid in the immersion liquid cooling cabinet.

5. The cooling capacity distribution unit according to claim 4, characterized in that: The main inlet pipe comprises a first main inlet pipe and a second main inlet pipe connected to the first main inlet pipe; The inlet pipe sensor includes a first inlet main pipe sensor provided at the first main inlet pipe and a second inlet main pipe sensor provided at the second main inlet pipe.

6. The cooling distribution unit according to claim 5, characterized in that: The main inlet pipe further includes a first bypass pipe connecting the first main inlet pipe and the second main inlet pipe and a first regulating valve connected to the first bypass pipe.

7. The cooling distribution unit according to claim 5, characterized in that: The first main inlet pipe is also connected to a first manual butterfly valve, a second manual butterfly valve, and a first filter connected between the first manual butterfly valve and the second manual butterfly valve.

8. The cooling capacity distribution unit according to claim 2, characterized in that: The pump outlet pipeline includes a main outlet pipe connecting the first pump outlet pipe and the second pump outlet pipe; the first outlet pipeline sensor is connected to the main outlet pipe.

9. The cooling distribution unit according to claim 8, characterized in that: The pump outlet pipeline also includes a second metal bellows connecting the main outlet pipe and the first heat exchanger inlet.

10. The cooling distribution unit according to claim 1, characterized in that: The first return line also includes a second regulating valve connected to the first main return pipe and close to the outlet of the first heat exchanger, and a pressure regulating device connected to the second regulating valve.

11. The cooling distribution unit according to claim 3, characterized in that: The first main return pipe further includes a third metal bellows and a first return pipe sensor connected downstream of the third metal bellows, and the return pipe sensor includes the first return pipe sensor.

12. The cooling distribution unit according to claim 3, characterized in that: The first branch return pipe is provided with a first control valve, a second control valve and a second filter connected between the first control valve and the second control valve; the control valves of the first branch return pipe include the first control valve and the second control valve.

13. The cooling distribution unit according to claim 3, characterized in that: The second branch return pipe is provided with a third control valve and a fourth control valve, and the control valves of the second branch return pipe include the third control valve and the fourth control valve.

14. The cooling capacity distribution unit according to claim 3, characterized in that: The second main return pipe is provided with a fifth control valve, a sixth control valve, a first flow device connected between the fifth control valve and the sixth control valve, and a second return pipe sensor; The return line sensor includes the second return line sensor.

15. The cooling distribution unit according to claim 1, characterized in that: The cooling capacity distribution unit includes a primary side circulation flow path and a secondary side circulation flow path; The heat exchanger comprises a second heat exchanger inlet and a second heat exchanger outlet; The primary side circulation flow path includes an outlet pipeline connected to the inlet of the second heat exchanger and a second return pipeline connected to the outlet of the second heat exchanger; The secondary side circulation flow path includes the first pump and / or the second pump, the pump inlet pipeline, the pump outlet pipeline and the first return pipeline.

16. The cooling distribution unit according to claim 15, characterized in that: The outlet pipeline includes a first regulating valve, a second outlet pipeline sensor connected downstream of the first regulating valve, a three-way electric valve connected downstream of the second outlet pipeline sensor, and a second flow device connected between the three-way electric valve and the inlet of the second heat exchanger.

17. The cooling distribution unit according to claim 15, characterized in that: The second return line includes a third return line sensor, a second one-way valve connected downstream of the third return line sensor, and a second regulating valve connected downstream of the second one-way valve.

18. The cooling distribution unit according to claim 16, characterized in that: The primary-side circulation flow path further includes a second bypass pipe connected between the three-way electric valve and the second return pipe, and the three-way electric valve can control whether the second bypass pipe is conductive.

19. A cooling capacity control cabinet, characterized in that: include: A cooling distribution unit, wherein the cooling distribution unit is a cooling distribution unit as claimed in any one of claims 1 to 18; A cabinet body, the cabinet body comprising a bottom plate and a plurality of side plates, the first pump and the second pump being mounted on the bottom plate; as well as At least one running wheel is mounted on the bottom of the base plate.

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