CN110392516B - Liquid immersion type cooling cabinet - Google Patents
Liquid immersion type cooling cabinet Download PDFInfo
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- CN110392516B CN110392516B CN201910785519.8A CN201910785519A CN110392516B CN 110392516 B CN110392516 B CN 110392516B CN 201910785519 A CN201910785519 A CN 201910785519A CN 110392516 B CN110392516 B CN 110392516B
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- frame body
- lifting
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- 239000007788 liquid Substances 0.000 title claims abstract description 188
- 238000001816 cooling Methods 0.000 title claims abstract description 97
- 238000007654 immersion Methods 0.000 title claims abstract description 23
- 239000000110 cooling liquid Substances 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims description 23
- 230000009467 reduction Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/203—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures by immersion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20818—Liquid cooling with phase change within cabinets for removing heat from server blades
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of heat dissipation of servers and discloses a liquid immersion type cooling cabinet which comprises a cabinet body, a liquid cooling module and a crane, wherein the liquid cooling module and the crane are arranged in the cabinet body, the liquid cooling module comprises a frame body, the top of the frame body is provided with an opening, the bottom of the frame body is sealed with the periphery, the frame body is used for containing cooling liquid and a plurality of servers, a liquid inlet and a liquid outlet are arranged on the side wall of the frame body, the liquid inlet is used for conveying low-temperature cooling liquid into the frame body, and the liquid outlet is used for guiding out high-temperature cooling liquid subjected to heat exchange with the servers; the crane is arranged above the liquid cooling module and is arranged opposite to the opening, and comprises a lifting mechanism for lifting the server and driving equipment for driving the lifting mechanism to ascend or descend. In the embodiment, the liquid cooling module and the crane are arranged in the cabinet body and are vertically distributed, so that the occupied area of the cabinet is reduced, and the space utilization rate is improved; moreover, the driving equipment is adopted in the crane, so that the electric lifting of the server is realized, and the operation is convenient and quick.
Description
Technical Field
The invention relates to the technical field of heat dissipation of servers, in particular to a liquid immersion type cooling cabinet.
Background
With the rapid development of computer technology, the performance requirements of the server are also increasing. Generally, the high performance server has a higher heat generation amount, so that the conventional air cooling method has to adopt a lower control temperature and a larger air flow to meet the heat dissipation requirement of the high performance server, which causes the conventional air cooling method to become difficult and complex, and the cost of the cooling equipment and the electric charge required for the operation of the cooling equipment are multiplied.
After air cooling technology encounters bottlenecks, new cooling technologies, such as replacing air with liquid as the cooling medium for servers, are one of the directions. As a heat transfer medium, liquids have an incomparable advantage in terms of heat transfer efficiency and heat capacity per unit volume as air. Immersion liquid cooling technology is a technical branch of liquid cooling technology, and immersion cooling refers to that a server is directly immersed in insulating cooling liquid, and components in the server directly exchange heat with the cooling liquid.
When later maintenance is carried out, need lift the server from the rack in the correlation technique to overhaul, provide one kind with the supporting loop wheel machine that uses of liquid cooling rack among the prior art, this kind of loop wheel machine includes horizontal pole, two supports and is used for lifting by crane the hoisting mechanism of server, wherein, the both ends detachable of horizontal pole are connected in the upper end of two supports, and the lower extreme of support is equipped with the connecting portion that is used for connecting the liquid cooling rack, and the upper end of lifting by crane the rack can be dismantled and is connected on the horizontal pole. The crane is separated from the liquid cooling cabinet, is required to be assembled on site in the use process, can only be manually operated during lifting, and is inconvenient to use.
Disclosure of Invention
The invention provides a liquid immersion type cooling cabinet, which is used for solving the problem of inconvenient lifting of a server in the prior art.
The embodiment of the invention provides a liquid immersion type cooling cabinet, which comprises a cabinet body, a liquid cooling module and a crane, wherein the liquid cooling module and the crane are arranged in the cabinet body, and the liquid cooling module comprises a main body, a cooling chamber and a cooling chamber, wherein the main body comprises a main body, a cooling chamber and a cooling chamber, and the cooling chamber is arranged in the main body, and the cooling chamber is provided with a cooling chamber, wherein the cooling chamber is provided with a cooling chamber, a cooling chamber and a cooling chamber:
the liquid cooling module comprises a frame body, wherein the top of the frame body is provided with an opening, the bottom of the frame body is sealed with the periphery of the frame body, the frame body is used for containing cooling liquid and a plurality of servers, a liquid inlet and a liquid outlet are formed in the side wall of the frame body, the liquid inlet is used for conveying low-temperature cooling liquid into the frame body, and the liquid outlet is used for guiding out high-temperature cooling liquid subjected to heat exchange with the servers from the frame body;
the crane is positioned above the liquid cooling module, is arranged opposite to the opening, and comprises a hoisting mechanism for hoisting the server and driving equipment for driving the hoisting mechanism to ascend or descend.
In the embodiment, the whole cabinet adopts the vertical layout, the liquid cooling module and the crane are integrated in the cabinet, wherein the crane is positioned above the liquid cooling module and is opposite to the opening at the top of the frame body, when a server needs to be moved, the server is hung on the lifting mechanism, and the driving equipment is started, so that the automatic lifting of the server can be realized, the crane is not required to be installed on site, the lifting of the server is not required to be manually controlled, and the convenience and the rapidness are realized; and the space in the height is fully utilized in the overall layout of the cabinet body, so that the occupied area of the cabinet is reduced, and the space utilization rate is improved.
Optionally, the side wall provided with the liquid outlet in the frame body is a first side wall, the first side wall is provided with a wire passing groove along the vertical direction, and the liquid outlet is positioned above the wire passing groove;
A liquid outlet groove is formed between the plurality of servers and the first side wall, a gap is formed between the liquid outlet groove and the first side wall, and the liquid outlet groove is communicated with the liquid outlet through a liquid outlet pipeline;
A plurality of liquid separation holes are formed in one side, facing the opening, of the liquid outlet groove, and high-temperature cooling liquid enters the liquid outlet groove through the liquid separation holes; the liquid outlet groove is further provided with a liquid baffle plate on one side facing the opening, and the liquid baffle plate is used for preventing cooling liquid from entering the liquid distributing holes from the clearance between the passing holes.
Optionally, the liquid inlet is arranged at the bottom of the first side wall, and a guide plate is arranged between the liquid inlet and the bottom of the wire passing groove.
Optionally, the lifting mechanism comprises a lifting rope and a lifting cross rod connected with the lifting rope, and lifting lugs for lifting the server are arranged at two ends of the lifting cross rod;
The driving device comprises a base, a motor arranged on the base, a rotating cross rod arranged on the base and a transmission assembly arranged on the base and between the motor and the rotating cross rod, wherein two ends of the rotating cross rod are respectively and rotatably connected with the base through bearings, a wire guide wheel is arranged on the rotating cross rod, and the lifting rope is wound on the wire guide wheel;
When the motor rotates positively, the rotating cross rod drives the wire guide wheel to rotate, so that the lifting cross rod ascends; when the motor is reversed, the rotating cross rod drives the wire guide wheel to reversely rotate, so that the lifting cross rod descends.
Optionally, the wire guide wheel is in sliding connection with the rotating cross rod, and the rotating cross rod is arranged along the arrangement direction of the plurality of servers. When the server needs to be lifted, the wire guide wheel slides along the rotating cross rod until the lifting cross rod moves above the server.
Optionally, the rotating cross bar includes end portions at two ends and an intermediate portion between the two end portions, the cross section of the end portions is circular, and the cross section of the intermediate portion is polygonal;
The wire guide wheel is arranged on the middle part, and the cross section of the inner hole of the wire guide wheel matched with the middle part is polygonal.
Optionally, the transmission assembly includes a worm reduction gearbox, a first gear, and a second gear, wherein:
The input shaft of the worm reduction box is connected with the motor, and the output shaft of the worm reduction box passes through the center of the first gear and is fixedly connected with the first gear;
The second gear is meshed with the first gear;
the rotating cross rod passes through the center of the second gear and is fixedly connected with the second gear.
Optionally, the crane further includes a lifting limit brake disposed on the base, and the lifting limit brake includes:
a third gear meshed with the second gear or with the first gear;
The screw rod passes through the center of the third gear and is fixedly connected with the third gear; the screw rod is provided with a first limiting piece and a second limiting piece, and when the screw rod rotates, the first limiting piece and the second limiting piece do linear motion along the screw rod;
the first limit switch is arranged on the moving path of the first limit piece and used for controlling the turn-off of the motor;
The second limit switch is arranged on the moving path of the second limit piece and used for controlling the turn-off of the motor;
When the motor rotates positively and the first limiting piece touches a contact of the first limiting switch, the motor is powered off; when the motor is reversed, and the second limiting piece touches the contact of the second limiting switch, the motor is powered off.
Optionally, a sliding rail is arranged between the base and the cabinet body, and the base is slidably connected with the cabinet body through the sliding rail;
Along the setting direction of slide rail, one side of the cabinet body is equipped with the door body, the door body is used for opening or closing the cabinet body.
Optionally, a locking snap fastener is arranged on the sliding rail, and the locking snap fastener is used for locking the sliding rail to enable the base to be static relative to the cabinet body;
and the sliding rail is also provided with a pull ring fixedly connected with the locking snap fastener, and when the pull ring is pulled, the locking snap fastener is unlocked.
Optionally, a visual window is arranged on the door body.
Optionally, the system further comprises a heat exchange module, a power distribution module and a control module, wherein:
The heat exchange module comprises a fixed frame and a heat exchange assembly arranged in the fixed frame, the fixed frame is arranged on the side part of the frame body, the heat exchange assembly is communicated with the liquid inlet and the liquid outlet and is used for cooling high-temperature cooling liquid flowing out from the liquid outlet and inputting low-temperature cooling liquid into the frame body through the liquid inlet;
the power distribution module comprises a fixed plate and a power distribution assembly arranged on the fixed plate, the fixed plate is arranged above the frame body, and the power distribution assembly is used for supplying power to the servers;
The control module comprises a control box and a control assembly arranged in the control box, wherein the control box is arranged above the frame body, and the control assembly is used for controlling the heat exchange assembly to operate.
Optionally, a display is further arranged on the side wall of the cabinet body, and the display is in signal connection with the control component;
The display comprises a display interface and an operation interface, wherein the display interface is used for displaying the running state of the heat exchange assembly, and the operation interface is used for inputting control instructions to the control assembly.
Optionally, the liquid inlet and the liquid outlet are disposed on a side wall of the frame body adjacent to the fixed frame.
Drawings
Fig. 1 is a schematic structural diagram of a cabinet body of a liquid cooling cabinet according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a rack structure of the cabinet shown in FIG. 1;
Fig. 3 is a schematic diagram of an assembly structure of a rack and each module in a liquid cooling cabinet according to an embodiment of the present invention;
FIG. 4 is another view of the rack and various modules shown in FIG. 3;
fig. 5 is a schematic structural diagram of a frame in a liquid cooling cabinet according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of the frame shown in fig. 5;
fig. 7 is a schematic structural diagram of a heat exchange module in a liquid cooling cabinet according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a crane in a liquid-cooled cabinet according to an embodiment of the present invention.
Reference numerals:
10-cabinet body
101-Frame 1011-frame bottom assembly
1012-Frame top assembly 1013-C column
1014-Trunking column 1015-reinforcing beam
11-Display 12-visual window
13-Caster 14-door body
20-Liquid cooling module
21-Frame 201-liquid inlet 202-liquid outlet 203-first side wall
22-Wire passing groove 23-liquid outlet groove 231-liquid separating hole
24-Liquid baffle 25-beam 26-deflector 27-wire arranging groove
30-Server
40-Heat exchange Module 41-fixed frame 42-Heat exchange Assembly
50-Power distribution Module 51-fixed Board 52-Power distribution Assembly
60-Control module
70-Crane 71-lifting rope 72-lifting cross bar 721-lifting lug
73-Base 74-motor 75-rotating cross bar 76-wire guide wheel
77-Worm reduction box 78-first gear 79-second gear
80-Sliding rail 81-locking snap fastener 82-pull ring
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, it being apparent that the described embodiments are only some, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a liquid immersion type cooling cabinet, which is characterized in that a liquid cooling module and a crane are arranged in the cabinet body, and the crane is arranged above the liquid cooling module by adopting vertical layout, so that the occupied area of the cabinet is reduced, and the space utilization rate is improved; moreover, the driving equipment is adopted in the crane, so that the electric lifting of the server is realized, and the operation is convenient and quick.
Specifically, this liquid immersion cooling rack includes the cabinet body and sets up liquid cooling module and loop wheel machine in the cabinet body, wherein:
the liquid cooling module comprises a frame body with an opening at the top, a bottom and four sides being sealed, the frame body is used for containing cooling liquid and a plurality of servers, a liquid inlet and a liquid outlet are arranged on the side wall of the frame body, the liquid inlet is used for conveying low-temperature cooling liquid into the frame body, and the liquid outlet is used for guiding out the high-temperature cooling liquid after heat exchange with the servers;
the crane is arranged above the liquid cooling module and is arranged opposite to the opening, and comprises a lifting mechanism for lifting the server and driving equipment for driving the lifting mechanism to ascend or descend.
In the embodiment, the whole cabinet adopts the vertical layout, the liquid cooling module and the crane are integrated in the cabinet, wherein the crane is positioned above the liquid cooling module and is opposite to the opening at the top of the frame body, when the server needs to be moved, the server is hung on the lifting mechanism, the driving equipment is started, and the server ascends or descends along with the lifting mechanism under the driving of the driving equipment, namely, the crane can realize the automatic lifting of the server without site installation, and is convenient and quick; and the space in the height is fully utilized in the overall layout of the cabinet body, so that the occupied area of the cabinet is reduced, and the space utilization rate is improved.
For a clearer understanding of the structure of the liquid immersion cooling cabinet provided by the embodiment of the invention, the detailed description will be made with reference to the accompanying drawings.
Referring to fig. 1,3, 4 and 6, the liquid immersion cooling cabinet includes a cabinet body 10, a liquid cooling module 20 and a crane 70 are disposed in the cabinet body 10, wherein the liquid cooling module 20 includes a frame 21 with an opening at the top and a closed bottom and four sides, the frame 21 is used for accommodating a cooling liquid and a plurality of servers 30, and the servers 30 can be taken out from the cooling liquid through the opening at the top of the frame 21, or the servers 30 can be placed in the cooling liquid; the side wall of the frame body 21 is provided with a liquid inlet 201 and a liquid outlet 202, the liquid inlet 201 is used for conveying low-temperature cooling liquid into the frame body 21, the low-temperature cooling liquid exchanges heat with a heating component in the server 30, the temperature rises after heat is absorbed, and the liquid outlet 202 is used for guiding out the high-temperature cooling liquid after heat exchange with the server from the frame body 21; the crane 70 is located above the liquid cooling module 20 and is arranged opposite to the opening, and comprises a lifting mechanism for lifting the server 30 and driving equipment for driving the lifting mechanism to ascend or descend, when the server 30 needs to be moved, the server 30 is hung on the lifting mechanism, the driving equipment is started, and the lifting mechanism drives the server 30 to ascend or descend under the driving of the driving equipment, so that the server 30 is moved out of the cooling liquid, or the server 30 is placed in the cooling liquid, namely, the crane 70 can realize the automatic lifting of the server, and site installation is not needed, and the crane is convenient and quick; in addition, the whole cabinet adopts vertical layout, and the crane 70 is positioned above the liquid cooling module 20, so that the space on the height of the liquid cooling module 20 is fully utilized, the occupied area of the cabinet is reduced, and the space utilization rate is improved.
In the specific arrangement, as shown in fig. 6, the side wall provided with the liquid outlet 202 in the frame 21 is a first side wall 203, the first side wall 203 is provided with a wire passing groove 22 along the vertical direction, the liquid outlet 202 is located above the wire passing groove 22, and the network cable and the power cable connected with the server 30 pass through the wire passing groove 22 and out of the liquid surface; a liquid outlet groove 23 is arranged between the server 30 and the first side wall 203 in the frame 21, and a gap is formed between the liquid outlet groove 23 and the first side wall 203, and the liquid outlet groove 23 is communicated with the liquid outlet 202 through a liquid outlet pipeline; the side of the liquid outlet groove 23 facing the opening is provided with a plurality of liquid separating holes 231, and high-temperature cooling liquid enters the liquid outlet groove 23 through the liquid separating holes 231 and flows out of the liquid outlet 202 after passing through the liquid outlet pipeline; since the first side wall 203 is provided with the wire passing groove 22, a larger gap is formed between the first side wall 203 and the server 30, so that the resistance to the flow of the cooling liquid is smaller, and compared with other positions, the cooling liquid flows upward through the gap and enters the liquid separating hole 231 more easily, so that the cooling liquid flows out of the frame 21, and the cooling liquid does not pass through the server 30, i.e. does not exchange heat with the server 30, thereby influencing the cooling efficiency. In order to solve the above problem, in the frame 21 shown in fig. 6, the side of the liquid outlet groove 23 facing the opening is further provided with a liquid baffle 24, and the liquid baffle 24 is higher than the cooling liquid level, and the liquid baffle 24 is used for preventing the cooling liquid from entering the liquid separation hole 231 from the line spacing, so that all the cooling liquid passes through the server 30 before entering the liquid separation hole 231, thereby avoiding the unbalanced condition of the cooling area and improving the cooling efficiency. Specifically, two cross beams 25 are disposed at the top of the frame 21, the two cross beams 25 are arranged side by side and at intervals, the server 30 is located between the two cross beams 25, and the hangers at two ends of the server 30 are respectively hung on the cross beams 25 at the same side, that is, the cross beams 25 support the server 30, so that the server 30 is suspended in the cooling liquid, the liquid outlet groove 23 is fixedly connected with the cross beam 25 close to the first side wall 203, for example, the liquid outlet groove 23 is welded on the cross beam 25 through a welding process.
Further, the liquid inlet 201 is disposed at the bottom of the first side wall 203, and a baffle 26 is disposed between the liquid inlet 201 and the bottom of the wire trough 22, so that the cooling liquid in the frame 21 is led to the side of the frame 21 far from the liquid inlet 201, and more cooling liquid exchanges heat with the server 30. As shown in the frame 21 in fig. 6, the liquid inlet 201 is located at the bottom of the first side wall 203, the liquid outlet 202 is located at the top of the first side wall 203, the low-temperature cooling liquid cooled by the heat exchange assembly 42 enters the frame 21 from the liquid inlet 201, and under the action of the deflector 26, the low-temperature cooling liquid exchanges heat with the heat generating components in the server 30, the temperature rises after absorbing heat, the cooling liquid is layered due to the difference of the cooling liquid densities of different temperatures, and the cooling liquid with higher temperature and lower density is concentrated at a position close to the liquid level and flows out of the frame 21 from the liquid outlet 202.
The structure of the crane 70 is shown in fig. 8, wherein the hoisting mechanism comprises a hoisting rope 71 and a hoisting cross rod 72 connected with the hoisting rope 71, two ends of the hoisting cross rod 72 are provided with lifting lugs 721 for hoisting the server 30, the lifting lugs 721 are in an L-shaped structure, and when the server 30 needs to be moved, the lugs 301 at two ends of the server 30 are placed on the corresponding lifting lugs 721, so that the main body of the server 30 is suspended on the hoisting cross rod 72; the driving device comprises a base 73, a motor 74 arranged on the base 73, a rotary cross rod 75 arranged on the base 73 and a transmission assembly arranged on the base 73 and between the motor 74 and the rotary cross rod 75, wherein two ends of the rotary cross rod 75 are respectively and rotatably connected with the base 73 through bearings, a wire guide wheel 76 is arranged on the rotary cross rod 75, and a lifting rope 71 is wound on the wire guide wheel 76; when the motor 74 rotates positively, the transmission assembly transmits the rotation moment of the motor 74 to the rotation cross rod 75, the rotation cross rod 75 drives the wire guide wheel 76 to rotate, the lifting rope 71 is wound on the wire guide wheel 76, and the lifting cross rod 72 rises gradually; when the motor 74 is reversed, the transmission assembly transmits the rotation moment of the motor 74 to the rotation cross rod 75, and the rotation cross rod 75 drives the wire guide wheel 76 to reversely rotate, so that the lifting rope 71 is released from the wire guide wheel 76, and the lifting cross rod 72 gradually descends. Or the driving device can also adopt a driving mode, for example, the driving device comprises a screw and a motor for driving the screw to rotate, the screw is provided with a nut, the lifting mechanism is fixedly connected with the nut through a nut seat, the screw is arranged in the vertical direction, the lifting mechanism is positioned above the server, and under the driving of the motor, the nut is converted into linear motion along with the rotation angle of the screw according to the lead of the corresponding specification, so that the lifting mechanism ascends or descends in the vertical direction.
The wire guide wheel 76 may slide along the rotation cross bar 75 in addition to the rotation along with the rotation of the rotation cross bar 75, and the rotation cross bar 75 is provided along the arrangement direction of the plurality of servers 30. When the server 30 needs to be lifted, the wire guide wheel 76 is slid along the rotating cross rod 75 until the lifting cross rod 72 moves above the server 30, so that the server 30 can be lifted in the vertical direction, and similarly, when the server 30 needs to be placed in the cooling liquid, the wire guide wheel 76 is slid along the rotating cross rod 75 until the lifting cross rod 72 moves to a corresponding position above the frame 21, so that the server 30 is vertically placed in the cooling liquid. In the crane 70, the degree of freedom of rotation of the wire guide wheel 76 about the axis thereof with respect to the rotation cross bar 75 is zero, so that the wire guide wheel 76 can rotate with the rotation of the rotation cross bar 75, and the wire guide wheel 76 has the degree of freedom of movement along the axis thereof with respect to the rotation cross bar 75, that is, the wire guide wheel 76 can slide along the length direction of the rotation cross bar 75, the wire guide wheel 76 satisfying the above relationship and the rotation cross bar 75 are in various combinations, in a specific embodiment, the rotation cross bar 75 comprises end portions at both ends and an intermediate portion between the two end portions, the cross section of the end portions is a circular structure, the end portions are rotatably connected with the base 73 through bearings, the cross section of the intermediate portion is a polygonal structure, the wire guide wheel 76 is arranged on the intermediate portion of the rotation cross bar 75, and the hole of the wire guide wheel 76 matched with the intermediate portion is also a polygonal structure; or the cross sections of the end part and the middle part of the rotating cross rod 75 are of circular structures, the surface of the middle part is provided with a bulge along the length direction, the inner hole of the wire guide wheel 76 is provided with a clamping groove matched with the clamping groove, and the wire guide wheel 76 can rotate along with the rotating cross rod 75 and can slide along the rotating cross rod 75 under the matching of the bulge and the clamping groove.
The transmission assembly is used for transmitting the rotation moment generated by the motor 74 to the rotation cross bar 75, and in a specific embodiment, the transmission assembly comprises a worm reduction gearbox 77, a first gear 78 and a second gear 79, wherein an input shaft of the worm reduction gearbox 77 is connected with the motor 74, an output shaft of the worm reduction gearbox 77 is fixedly connected with the first gear 78, the first gear 78 is meshed with the second gear 79, and the rotation cross bar 75 penetrates through the center of the second gear 79 and is fixedly connected with the second gear 79. When the crane 70 is operated, the motor 74, the worm reduction gearbox 77, the first gear 78, the second gear 79 and the rotating cross bar 75 are sequentially driven, and the wire guide wheel 76 rotates along with the rotation of the rotating cross bar 75, so that the lifting rope 71 is continuously wound on the wire guide wheel 76 to cause the server 30 to ascend, or the lifting rope 71 is released from the wire guide wheel 76 to cause the server 30 to descend.
To limit the range of rotation of the motor 74, the crane 70 may further include a lifting limit brake provided on the base 73 to control the motor 74 to be powered off when the server 30 is raised or lowered to a set height, thereby stopping the movement of the server 30, in order to prevent the server 30 from being damaged by being always raised to collide with other components in the cabinet 10 or being lowered down to the bottom of the frame 21. Specifically, the lifting limit brake includes a third gear, which is meshed with the second gear 79 or meshed with the first gear 78, that is, when the transmission assembly transmits the rotation torque of the motor 74 to the rotation cross bar 75, the transmission assembly will also drive the third gear to rotate; the screw rod passes through the center of the third gear and is fixedly connected with the third gear, the screw rod rotates along with the rotation of the third gear, a first limiting piece and a second limiting piece are arranged on the screw rod, and when the screw rod rotates, the first limiting piece and the second limiting piece do linear motion along the screw rod; the hoisting limit brake further comprises a first limit switch and a second limit switch, wherein the first limit switch is arranged on the moving path of the first limit piece and used for controlling the turn-off of the motor 74, and the second limit switch is arranged on the moving path of the second limit piece and used for controlling the turn-off of the motor 74; when the motor 74 rotates forward and the first limiting piece touches the contact of the first limiting switch, the motor 74 is powered off, and when the motor 74 rotates backward and the second limiting piece touches the contact of the second limiting switch, the motor 74 is powered off.
The specific working process of the crane 70 is that when a forward rotation button of a motor 74 is pressed, power is transmitted to a rotation cross rod 75 through a worm reduction gearbox 77, a first gear 78 and a second gear 79, the rotation cross rod 75 drives a wire guide wheel 76 to rotate, a lifting rope 71 is wound on the wire guide wheel 76 and simultaneously the server 30 gradually rises along with a lifting mechanism, at the moment, the third gear rotates along with the rotation of the second gear 79 (or the first gear 78) and drives a lead screw to rotate, a first limiting piece and a second limiting piece do linear motion along a first direction, the first limiting piece is positioned in front of the second limiting piece, when the first limiting piece moves to a first limiting switch and triggers a contact point of the first limiting switch, the motor 74 is powered off, and the server 30 rises to a set height and stops rising continuously; similarly, when the reverse button of the motor 74 is pressed, the first and second stoppers linearly move in a second direction opposite to the first direction, and when the second stopper moves to the second limit switch and triggers the contact of the second limit switch, the motor 74 is powered off, and the server 30 descends by a set height and stops continuing descending.
After the server 30 is lifted from the cooling liquid by the lifting mechanism, in order to facilitate the staff to take out the server 30 from the cabinet 10, a sliding rail 80 is arranged between the base 73 of the crane 70 and the cabinet 10, the base 73 is slidably connected with the cabinet 10 through the sliding rail 80, and in the arrangement direction of the sliding rail 80, a door 14 is arranged on one side of the cabinet 10, and the door 14 is used for opening or closing the cabinet 10. Thus, when the lifting mechanism lifts the server 30 from the cooling liquid, the door 14 is opened, and the crane 70 slides out of the cabinet 10, thereby facilitating the removal of the server 30 from the lifting mechanism by the worker. Further, the slide rail 80 is provided with a locking snap fastener 81, and the locking snap fastener 81 is used for locking the slide rail 80 so as to ensure that the slide rail 80 can be locked when being pulled out and returned, and the base 73 is stationary relative to the cabinet 10; the sliding rail 80 is also provided with a pull ring 82 fixedly connected with the locking snap fastener 81, when the pull ring 82 is pulled, the locking snap fastener 81 is unlocked, at the moment, the crane 70 can be pulled out of the cabinet 10, the sliding rail 80 can be locked after the crane 70 slides out, and the sliding rail 80 is prevented from sliding and falling. As shown in fig. 8, sliding rails 80 are respectively arranged between two sides of the base 73 and the cabinet body 10, locking snap fasteners 81 are respectively arranged on the sliding rails 80 on each side, two ends of a pull ring 82 with a U-shaped structure are fixed with the locking snap fasteners 81, the pull ring 82 is pulled, the locking snap fasteners 81 on the two sides simultaneously rotate by 90 degrees, the sliding rails 80 are unlocked, and after the pull ring 82 is released, the locking snap fasteners 81 are reset, and the sliding rails 80 are locked.
In the liquid cooling cabinet, the liquid cooling module 20 and the crane 70 are respectively arranged in the cabinet body 10 as a whole, and when a fault occurs, the whole replacement can be carried out, so that the maintenance is convenient, namely, a modularized design scheme is adopted; in addition, the liquid cooling cabinet is modularly designed for other components, and specifically includes a heat exchange module 40, a power distribution module 50 and a control module 60, wherein:
As shown in fig. 7, the heat exchange module 40 includes a fixed frame 41 and a heat exchange assembly 42 disposed in the fixed frame 41, the fixed frame 41 is disposed at a side portion of the frame 21, the heat exchange assembly 42 is communicated with a liquid inlet 201 and a liquid outlet 202 on the frame 21, and is used for cooling high-temperature cooling liquid flowing out from the liquid outlet 202 and conveying low-temperature cooling liquid into the frame 21 through the liquid inlet 201; the heat exchange assembly 42 comprises a circulating pump, a heat exchange plate, a sanitary pipeline, a valve and various monitoring devices, wherein the assemblies are integrated in the fixed frame 41, and can be replaced integrally during assembly and maintenance, thereby being convenient and quick; in order to facilitate the exchange of the cooling liquid between the frame 21 and the heat exchange assembly 42, the liquid inlet 201 and the liquid outlet 202 are arranged on the side wall of the frame 21 adjacent to the fixed frame 41, that is, the first side wall 203 is adjacent to the fixed frame 41, so that the pipe connection between the heat exchange assembly 42 and the liquid inlet 201 and the liquid outlet 202 is shortened, and the overall structure is more compact;
The power distribution module 50 comprises a fixed plate 51 and a power distribution assembly 52 arranged on the fixed plate 51, the fixed plate 51 is arranged above the frame 21, the power distribution assembly 52 is used for supplying power to a plurality of servers 30, and comprises cables, an air switch, an electric energy monitoring unit, a power distribution unit and the like, the assemblies form a whole on the fixed plate 51, and the whole can be directly replaced when the power of equipment is changed or expanded; when the power distribution module 50 is specifically arranged, the power distribution module 50 is arranged on one side, corresponding to the wire passing groove 22, above the frame 21, so that a power wire on the server 30 can be inserted into an upper power distribution unit after passing through the liquid surface of the wire passing groove 22, specifically, referring to fig. 3 and 5, the top of the frame 21 is also provided with a wire arranging groove 27 on the same side of the first side wall 203, the power distribution module 50 is arranged vertically above the wire arranging groove 27, the wire arranging groove 27 comprises a wire arranging groove and a power wire arranging groove, the wire and the power wire extend into the corresponding wire arranging groove 27 after passing through the liquid surface, and the power wire is inserted into the upper power distribution unit after passing through the power wire arranging groove;
the control module 60 comprises a control box and a control assembly arranged in the control box, the control box is arranged above the frame 21, the control assembly is used for controlling the operation of the heat exchange assembly 42, and the control module 60 can be replaced integrally when the control module 60 fails; in addition, a display 11 is further arranged on the side wall of the cabinet body 10, the display 11 is in signal connection with the control assembly, the display comprises a display interface and an operation interface, the display interface is used for displaying the running state of the heat exchange assembly, and the operation interface is used for inputting control instructions to the control assembly;
The whole cabinet adopts a vertical layout, the liquid cooling module 20 and the heat exchange module 40 are positioned at the bottom of the cabinet body 10, the power distribution module 50 and the control module 60 are positioned above the liquid cooling module 20, so that the space at the height of the cabinet body 10 is fully utilized, the occupied area of the cabinet is reduced, and the space utilization rate is improved; in addition, the cabinet is divided according to the functions of each device to form different modules, each module can be detachably fixed in the cabinet body 10, and in the cabinet body 10, a setting space is allocated for each module, and when a certain module fails, the module can be directly replaced, so that quick maintenance is realized; meanwhile, the modularized design can simplify the production flow and improve the production efficiency.
When the cabinet body is designed, the appearance of the cabinet body can be consistent with that of a common air-cooled cabinet, so that the cabinet body of the liquid-cooled cabinet and the cabinet body of the air-cooled cabinet can be exchanged in a common way. As shown in fig. 1, the display 11 is disposed on a door 14, and a viewing window 12 is further disposed on the door for facilitating the operation of each module in the cabinet. Structurally, the cabinet body 10 is composed of a frame 101, a bottom plate, a top plate and side plates arranged on the frame 101, as shown in fig. 2, the frame 101 is formed by fastening and connecting a frame bottom component 1011 and a frame top component 1012 through a C-shaped upright 1013, then strengthening strength is carried out through two wire slot upright 1014 and two reinforcing cross beams 1015, the integral strength of the frame is ensured, diagonal deformation of the frame is reduced, and the integral processing accuracy is ensured, wherein the two wire slot upright 1014 are respectively used for strong and weak current wiring, so that strong and weak current separation is realized, and electromagnetic interference is avoided. In addition, casters 13 are provided at the bottom of the cabinet 10 to facilitate movement of the cabinet.
As can be seen from the above description, in the liquid cooling cabinet provided by the embodiment of the invention, the liquid cooling module and the crane are both arranged in the cabinet body, and the crane is arranged above the liquid cooling module by adopting vertical layout, so that the floor area of the cabinet is reduced, and the space utilization rate is improved; moreover, the crane adopts the driving equipment to provide power, so that the electric lifting of the server is realized, and the operation is convenient and quick; in addition, liquid cooling module and loop wheel machine are respectively as an integral set up in the cabinet body, when breaking down, can carry out whole replacement, easy maintenance, except liquid cooling module and loop wheel machine, still include heat transfer module, distribution module and control module, heat transfer module is located liquid cooling module lateral part, distribution module and control module are located liquid cooling module top, and every module can all adopt detachable mode to fix in the cabinet body, can directly change when certain module breaks down, easy maintenance.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (14)
1. The utility model provides a liquid immersion cooling rack which characterized in that, is in including the cabinet body and setting up liquid cooling module and loop wheel machine in the cabinet body, wherein:
the liquid cooling module comprises a frame body, wherein the top of the frame body is provided with an opening, the bottom of the frame body is sealed with the periphery of the frame body, the frame body is used for containing cooling liquid and a plurality of servers, a liquid inlet and a liquid outlet are formed in the side wall of the frame body, the liquid inlet is used for conveying low-temperature cooling liquid into the frame body, and the liquid outlet is used for guiding out high-temperature cooling liquid subjected to heat exchange with the servers from the frame body;
the crane is positioned above the liquid cooling module, is arranged opposite to the opening, and comprises a hoisting mechanism for hoisting the server and driving equipment for driving the hoisting mechanism to ascend or descend;
The side wall of the frame body, which is provided with the liquid outlet, is a first side wall, and the liquid outlet is positioned at the top of the first side wall; a liquid outlet groove is formed between the plurality of servers and the first side wall, a gap is formed between the liquid outlet groove and the first side wall, and the liquid outlet groove is communicated with the liquid outlet through a liquid outlet pipeline;
A plurality of liquid separation holes are formed in one side, facing the opening, of the liquid outlet groove, and high-temperature cooling liquid enters the liquid outlet groove through the liquid separation holes; the liquid outlet groove is further provided with a liquid baffle plate on one side facing the opening, and the liquid baffle plate is used for preventing cooling liquid from entering the liquid distributing holes from the clearance between the passing holes.
2. The liquid immersion cooling cabinet of claim 1 wherein the first side wall is provided with a wire pass trough in a vertical direction and the liquid outlet is located above the wire pass trough.
3. The liquid immersion cooling cabinet of claim 2 wherein the liquid inlet is provided at a bottom of the first side wall and a baffle is provided between the liquid inlet and a bottom of the wire pass trough.
4. The liquid immersion cooling cabinet of claim 1, wherein the lifting mechanism comprises a lifting rope and a lifting cross rod connected with the lifting rope, and lifting lugs for lifting the server are arranged at two ends of the lifting cross rod;
The driving device comprises a base, a motor arranged on the base, a rotating cross rod arranged on the base and a transmission assembly arranged on the base and between the motor and the rotating cross rod, wherein two ends of the rotating cross rod are respectively and rotatably connected with the base through bearings, a wire guide wheel is arranged on the rotating cross rod, and the lifting rope is wound on the wire guide wheel;
When the motor rotates positively, the rotating cross rod drives the wire guide wheel to rotate, so that the lifting cross rod ascends; when the motor is reversed, the rotating cross rod drives the wire guide wheel to reversely rotate, so that the lifting cross rod descends.
5. The liquid immersion cooling cabinet of claim 4 wherein the wire guide wheel is slidingly coupled to the rotating cross bar and the rotating cross bar is disposed along an arrangement direction of the plurality of servers.
6. The liquid immersion cooling cabinet of claim 5 wherein said rotating cross bar includes ends at both ends and an intermediate portion between said ends, said ends being circular in cross section and said intermediate portion being polygonal in cross section;
The wire guide wheel is arranged on the middle part, and the cross section of the inner hole of the wire guide wheel matched with the middle part is polygonal.
7. The liquid submerged cooling cabinet of claim 4, wherein the drive assembly comprises a worm reduction box, a first gear, and a second gear, wherein:
The input shaft of the worm reduction box is connected with the motor, and the output shaft of the worm reduction box passes through the center of the first gear and is fixedly connected with the first gear;
The second gear is meshed with the first gear;
the rotating cross rod passes through the center of the second gear and is fixedly connected with the second gear.
8. The liquid submerged cooling cabinet of claim 7, wherein the crane further comprises a lifting limit stop disposed on the base, the lifting limit stop comprising:
a third gear meshed with the second gear or with the first gear;
The screw rod passes through the center of the third gear and is fixedly connected with the third gear; the screw rod is provided with a first limiting piece and a second limiting piece, and when the screw rod rotates, the first limiting piece and the second limiting piece do linear motion along the screw rod;
the first limit switch is arranged on the moving path of the first limit piece and used for controlling the turn-off of the motor;
The second limit switch is arranged on the moving path of the second limit piece and used for controlling the turn-off of the motor;
When the motor rotates positively and the first limiting piece touches a contact of the first limiting switch, the motor is powered off; when the motor is reversed, and the second limiting piece touches the contact of the second limiting switch, the motor is powered off.
9. The liquid immersion cooling cabinet of claim 4 wherein a slide rail is provided between the base and the cabinet, the base being slidably connected to the cabinet by the slide rail;
Along the setting direction of slide rail, one side of the cabinet body is equipped with the door body, the door body is used for opening or closing the cabinet body.
10. The liquid immersion cooling cabinet of claim 9 wherein the slide rail is provided with a locking snap for locking the slide rail to allow the base to rest relative to the cabinet;
and the sliding rail is also provided with a pull ring fixedly connected with the locking snap fastener, and when the pull ring is pulled, the locking snap fastener is unlocked.
11. The liquid immersion cooling cabinet of claim 9 wherein the door is provided with a visual window.
12. The liquid submerged cooling cabinet of any of claims 1-11, further comprising a heat exchange module, a power distribution module, and a control module, wherein:
The heat exchange module comprises a fixed frame and a heat exchange assembly arranged in the fixed frame, the fixed frame is arranged on the side part of the frame body, the heat exchange assembly is communicated with the liquid inlet and the liquid outlet and is used for cooling high-temperature cooling liquid flowing out from the liquid outlet and inputting low-temperature cooling liquid into the frame body through the liquid inlet;
the power distribution module comprises a fixed plate and a power distribution assembly arranged on the fixed plate, the fixed plate is arranged above the frame body, and the power distribution assembly is used for supplying power to the servers;
The control module comprises a control box and a control assembly arranged in the control box, wherein the control box is arranged above the frame body, and the control assembly is used for controlling the heat exchange assembly to operate.
13. The liquid immersion cooling cabinet of claim 12 wherein a display is further provided on a side wall of the cabinet body, the display being in signal connection with the control assembly;
The display comprises a display interface and an operation interface, wherein the display interface is used for displaying the running state of the heat exchange assembly, and the operation interface is used for inputting control instructions to the control assembly.
14. The liquid immersion cooling cabinet of claim 12 wherein the liquid inlet and the liquid outlet are provided on a side wall of the frame adjacent the stationary frame.
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| CN201910785519.8A CN110392516B (en) | 2019-08-23 | 2019-08-23 | Liquid immersion type cooling cabinet |
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| CN201910785519.8A CN110392516B (en) | 2019-08-23 | 2019-08-23 | Liquid immersion type cooling cabinet |
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| CN112788914B (en) * | 2019-11-11 | 2022-08-12 | 富联精密电子(天津)有限公司 | Heat dissipation device and heat dissipation system |
| CN111065229A (en) * | 2020-01-15 | 2020-04-24 | 许昌许继晶锐科技有限公司 | Modularization server rack |
| US10939581B1 (en) * | 2020-01-15 | 2021-03-02 | Quanta Computer Inc. | Immersion liquid cooling rack |
| CN111240448B (en) * | 2020-01-19 | 2021-06-29 | 苏州浪潮智能科技有限公司 | Immersed liquid cooling device for liquid injection in middle of server |
| CN113923923A (en) * | 2020-07-09 | 2022-01-11 | 阿里巴巴集团控股有限公司 | Server, liquid cooling server equipment, edge node and data processing cluster |
| CN112135470A (en) * | 2020-10-30 | 2020-12-25 | 深圳绿色云图科技有限公司 | Liquid immersion type cooling cabinet |
| TWI746308B (en) * | 2020-12-10 | 2021-11-11 | 英業達股份有限公司 | Mother board pick-and-place device |
| CN113038807B (en) * | 2021-03-31 | 2022-12-09 | 上海鹄恩信息科技有限公司 | Control method of liquid-cooled electric energy system, liquid-cooled electric energy system and storage medium |
| US11818864B2 (en) * | 2021-08-16 | 2023-11-14 | Quanta Computer Inc. | Tiered immersion cooling system |
| CN114375127B (en) * | 2021-12-20 | 2023-07-18 | 苏州浪潮智能科技有限公司 | Server cabinet convenient for wiring |
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