CN114945263B - Efficient heat-dissipation mute closed liquid cooling cabinet - Google Patents
Efficient heat-dissipation mute closed liquid cooling cabinet Download PDFInfo
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- CN114945263B CN114945263B CN202210562507.0A CN202210562507A CN114945263B CN 114945263 B CN114945263 B CN 114945263B CN 202210562507 A CN202210562507 A CN 202210562507A CN 114945263 B CN114945263 B CN 114945263B
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- 239000007788 liquid Substances 0.000 title claims abstract description 262
- 238000001816 cooling Methods 0.000 title claims abstract description 188
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer 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
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20627—Liquid coolant without phase change
- H05K7/20645—Liquid coolant without phase change within cabinets for removing heat from sub-racks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a high-efficiency heat-dissipation mute closed liquid cooling cabinet, which comprises a closed cabinet, a liquid cooling cradle, a liquid cooling insertion box, a cradle rotating shaft, a cradle stop pair, a cradle fixing angle piece, a cradle quick lock, a liquid level monitoring sensor, an alarm, a liquid discharging funnel, a liquid inlet and outlet interface, a liquid cooling pipeline and a pipeline fixing device. The closed cabinet is provided with a liquid inlet and a liquid outlet and a condensation outlet, the liquid cooling cradle is connected with the liquid inlet and the liquid outlet of the closed cabinet through a liquid cooling pipeline, the liquid cooling plug boxes are overlapped in the vertical direction, and the liquid cooling cradle is connected with the blind plug type water connector; the cradle stop pair and the cradle fixing corner fitting are used for fixing the liquid cooling cradle and the closed cabinet; the cradle quick lock is used for temporarily fixing the liquid cooling cradle during the debugging of the liquid cooling cabinet; the liquid level monitoring sensor, the alarm and the liquid draining funnel are used for liquid leakage safety protection of the liquid cooling cabinet. The invention has the advantages of small noise, high heat dissipation capacity, strong shock resistance and vibration energy capacity, high reliability, high safety, simple structure, convenient maintenance and strong universality.
Description
Technical Field
The invention relates to the technical field of cooling of cabinet electronic equipment, in particular to a high-efficiency heat-dissipation mute closed liquid cooling cabinet.
Background
With the rapid development of electronic equipment technology, the internal heat flux density of the electronic equipment is higher and higher. At present, a forced air cooling heat dissipation mode is generally adopted for a circuit printed board combination and an insertion box, and an air cooling primary heat exchange mode is adopted for corresponding cabinet heat dissipation. Under the conditions of lower power consumption and lower product noise requirement, the cooling mode can meet the heat dissipation requirement. However, for a cabinet with power consumption above 2.5kW, or a cabinet containing high-power density devices, or a cabinet with strict requirements on noise, the cooling mode is difficult to meet the heat dissipation requirement or the cost requirement is too high: firstly, the air cooling mode cannot adapt to heat dissipation with high heat flux density; secondly, the internal layout of the cabinet is complex, a good circulating air duct is difficult to form, and the heat exchange efficiency is low; thirdly, the cost of the cabinet noise reduction is huge, and the cost of the mute fan is too high, so that the cost control of products is not facilitated. In addition, the reliability, service life and maintenance of the fan used in the forced air cooling heat dissipation mode are also short plates of the cooling mode.
The prior published CN110113920A patent relates to a liquid cooling cradle cabinet, which comprises a cabinet frame, a cradle, a rotary water joint and a water cooling channel, wherein the rotary water joint structure can be rotated clockwise or anticlockwise by 360 degrees to realize the water supply of electronic equipment on the rotary cradle, but the rotary water joint is relative to a hinge structure, the structure is complex, the occupied space is large, the thickness and the width of the cradle are limited, the volume of the equipment is limited, and the rotary water joint is of a dynamic sealing structure, and has low reliability and high liquid leakage risk relative to static sealing; the disclosed CN107567257A relates to a modularized self-circulation liquid cooling cabinet for an airborne closed environment, which comprises a liquid cooling source, a heat exchanger and a flow divider, wherein the liquid cooling source and the heat exchanger are used for providing low-temperature cooling liquid for the cabinet, the liquid cooling source has larger noise and is not suitable for noise control, the flow divider is fixed in the cabinet and can not rotate out, and the maintainability and the flexibility are poor.
Disclosure of Invention
The invention aims to provide the airtight liquid cooling cabinet which has the advantages of small noise, no condensed water, high heat dissipation capacity, strong shock resistance and vibration energy, high reliability, good leakage safety protection measure, simple structure, convenient maintenance and strong universality.
The technical solution for realizing the purpose of the invention is as follows: preferably, the device comprises a closed cabinet, a liquid cooling cradle, a liquid cooling insertion box, a cradle rotating shaft, a cradle stop pair, a cradle fixing angle piece, a cradle quick lock, a liquid level monitoring sensor, an alarm, a liquid discharging funnel, a liquid inlet and outlet interface, a liquid cooling pipeline and a pipeline fixing device;
the closed cabinet is a general cabinet, and the external pipeline interfaces are a liquid inlet and outlet interface and a condensation outlet;
The liquid cooling cradle is connected with a liquid inlet and outlet port of the cabinet through a liquid cooling pipeline;
The liquid cooling plug box is connected with the liquid cooling cradle by adopting a blind plug type water connector;
The cradle rotating shaft, the cradle stop pair and the cradle fixing angle piece are used for fixing the liquid cooling cradle and the closed cabinet, and the cradle rotating shaft has a limiting function on the liquid cooling cradle;
the cradle quick lock is used for temporarily fixing the liquid cooling cradle during liquid cooling cabinet debugging;
The liquid level monitoring sensor, the alarm and the liquid discharge funnel are used for liquid leakage safety protection of the liquid cooling cabinet;
The liquid cooling pipeline is fixed inside the cabinet through the pipeline fixing device and is used for cooling the closed cabinet.
Preferably, the liquid cooling cradle comprises a flow divider and a cradle, wherein the flow divider is arranged at two sides of the liquid inlet and outlet channel and is not communicated with each other; the liquid inlet and the liquid outlet of the flow divider are adjacent to each other and are arranged on one side of the rotating shaft of the cradle.
Preferably, the liquid cooling plug boxes are overlapped in the vertical direction, and the liquid cooling flow channels between each layer of liquid cooling plug boxes are parallel flow channels; the liquid cooling plug box is a cold guide plug box with upper and lower side walls, a blind-insert type water connector is connected with the liquid cooling cradle, and blind-insert type water connectors and plug box positioning pins are respectively arranged on two sides of the liquid cooling plug box.
Preferably, the cradle rotating shaft comprises 3 groups of stress hinges and 1 group of limiting hinges, and the limiting hinges are provided with limiting grooves for limiting the liquid cooling cradle.
Preferably, the cradle stop pair is of a wedge-shaped structure, and the liquid cooling cradle is fixed by friction force between wedge-shaped matching surfaces of stop pair structural members.
Preferably, the cradle fixing angle piece is provided with a loosening-preventing screw and a positioning pin, the cradle fixing angle piece is fastened with the closed cabinet body by the loosening-preventing screw, and the positioning pin is arranged at the upper part and the lower part of the cradle fixing angle piece.
Preferably, the cradle quick lock is used for temporarily fixing the liquid cooling cradle during the debugging of the liquid cooling cabinet, and specifically comprises the following steps:
The quick lock of the cradle is provided with a spring and a lock tongue, the corresponding part of the cabinet body of the closed cabinet is provided with a lock tongue slot, and when the liquid cooling cradle rotates to reset, the lock tongue slides into the cabinet lock tongue slot under the action of the spring to fix the liquid cooling cradle.
Preferably, the liquid level monitoring sensor, the alarm and the liquid discharge funnel are used for liquid leakage safety protection of the liquid cooling cabinet, and specifically include the following steps:
the bottom of the closed cabinet is provided with a liquid outlet, a liquid outlet funnel is arranged, the matching surface is in sealing design, and the funnel outlet is connected with a condensation outlet pipeline and is used for discharging cooling liquid in the closed cabinet; the liquid level monitoring sensor is arranged at the liquid outlet and used for feeding back signals to the alarm and controlling the alarm to alarm.
Preferably, the liquid cooling pipeline adopts a Teflon hose, bayonet fluid connectors are arranged on two sides of the liquid cooling pipeline, and the liquid cooling pipeline is fixed in the airtight cabinet through a pipeline fixing device; the liquid cooling pipeline rotation fulcrum is arranged on the central line of the liquid cooling cradle rotating shaft.
Preferably, the liquid cooling pipeline adopts No. 65 normal temperature antifreeze fluid at 18-40 ℃.
Compared with the prior art, the invention has the remarkable advantages that: (1) low noise and no condensed water: the liquid cooling cabinet is provided with cooling liquid by an external cold source, a compressor and a fan are not arranged in the cabinet, the noise of the whole machine is small, and the noise index of the whole machine of the equipment meets the I-type requirement; the cooling liquid provided by the external cold source is normal-temperature antifreezing liquid, so that the generation of condensed water in the equipment can be effectively prevented; (2) clear heat dissipation path, the heat dispersion is strong: the liquid cooling cabinet adopts a pure liquid cooling heat dissipation mode, cooling liquid is distributed to each liquid cooling plug box through the liquid cooling cradle, the liquid cooling plug boxes adopt a side wall cooling guide mode to dissipate heat, and a heat dissipation path is clear; the liquid cooling plug box is a compact high-efficiency universal cooling plug box, the heat dissipation capacity of a single module in the plug box can reach 240W, the heat dissipation capacity of the whole plug box can be 1.6KW, 4 liquid cooling plug boxes can be arranged on a liquid cooling cradle, the heat dissipation capacity of the whole cabinet is not lower than 6KW, and the whole heat dissipation capacity is strong; (3) strong shock resistance and vibration energy and high reliability: the cradle rotating shaft is directly formed by processing a high-strength metal material, so that the precision is good and the strength is high; positioning and fastening are carried out between the cradle fixing corner fitting and the cabinet by adopting a positioning pin, and large displacement cannot occur after the cradle is fixed; the wedge-shaped structure is arranged between the cradle stop pair, so that screw-free fastening between the rear part of the cradle and the cabinet body of the cabinet can be realized, the cradle and the cabinet body of the cabinet are ensured to be integrated, and the whole equipment has strong shock resistance and vibration energy and high reliability; and (4) good leakage safety protection measures: the outside of the blind-insert type water joint between the liquid cooling plug box and the liquid cooling cradle is protected by a rubber sleeve, so that the situation that the water joint is matched with the electronic equipment to generate liquid leakage sputtering is avoided; the liquid-cooled cabinet bottom is provided with the liquid discharge funnel which is connected with the liquid discharge port pipeline, so that the tightness of the cabinet is ensured, and meanwhile, the liquid-cooled cabinet bottom is prevented from accumulating liquid in a large range; a liquid level monitoring sensor is arranged above the liquid discharge funnel, so that after liquid leakage and liquid accumulation of the liquid cooling cabinet are ensured, a signal is timely reported to an upper computer or an alarm; (5) simple structure, easy maintenance, commonality are strong: the pipeline between the liquid inlet and the liquid outlet of the cooling cabinet and the liquid cooling cradle adopts a bayonet fluid connector to be matched with a Teflon hose, a rotary water joint with a complex structure is not needed, and the structure is simple; the sealed cabinet equipment installation frame adopts a cradle structure instead of a fixed installation frame, electronic equipment can be rotated out through the cradle, and a blind-insert type fluid connector is connected between the liquid cooling plug box and the liquid cooling cradle, so that the whole maintenance is convenient; the cabinet directly adopts the general cabinet body of the cabinet, and the air-cooled cabinet can be changed into the liquid-cooled cabinet only by changing the cradle into the liquid-cooled cradle and carrying out secondary processing on the original cabinet body, so that the cabinet can be directly replaced in situ, and the universality is strong.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency heat-dissipation silent closed liquid cooling cabinet of the present invention.
Fig. 2 is a schematic structural view of a liquid discharging device in the present invention.
FIG. 3 is a schematic view of the transfer frame of the present invention and the flow direction of fluid.
FIG. 4 is a schematic diagram of a liquid cooled cradle according to the present invention.
Fig. 5 is a schematic diagram of a liquid-cooled jack in the present invention.
Fig. 6 is a schematic structural view of a hinge limiting part in the present invention.
Fig. 7 is a first cross-sectional view of the cradle stop pair of the present invention.
Fig. 8 is a second cross-sectional view of the cradle stop pair of the present invention.
Fig. 9 is a schematic view of the cradle fixing angle of the present invention.
Fig. 10 is a schematic diagram of the working principle of the cradle lock of the present invention.
Fig. 11 is a schematic diagram of the working principle of the leakage safety protection in the invention.
FIG. 12 is a schematic view of the structure of the liquid inlet and outlet ports according to the present invention.
FIG. 13 is a schematic diagram of a liquid cooling circuit according to the present invention.
Fig. 14 is a schematic view of the structure of the non-movable fixing clip of the present invention.
Fig. 15 is a schematic structural view of a movable fixing clip according to the present invention.
Reference numerals in the drawings: 1-a closed cabinet; 2-liquid cooling cradle, 2-1-diverter, 2-2-cradle; 3-liquid cooling plug box; 4-cradle rotating shafts, 4-1-stress hinges and 4-2-limit hinges; 5-cradle stop pairs; 6-cradle fixing corner fittings, 6-1-non-unscrewing screws and 6-2-positioning pins; 7-cradle quick lock, 7-1-spring, 7-2-lock tongue; 8-a liquid level monitoring sensor; 9-an alarm; 10-a liquid discharge funnel; 11-a liquid inlet and outlet port; 12-a liquid cooling pipeline; 13-pipeline fixing device.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
Referring to fig. 1 and 2, the efficient heat dissipation mute sealed liquid cooling cabinet comprises a sealed cabinet 1, a liquid cooling cradle 2, a liquid cooling plug box 3, a cradle rotating shaft 4, a cradle stop pair 5, a cradle fixing angle piece 6, a cradle quick lock 7, a liquid level monitoring sensor 8, an alarm 9, a liquid discharging funnel 10, a liquid inlet and outlet interface 11, a liquid cooling pipeline 12 and a pipeline fixing device 13;
The closed cabinet 1 is a general cabinet, and the external pipeline interfaces are a liquid inlet and outlet interface 11 and a condensation outlet;
the liquid cooling cradle 2 is connected with a liquid inlet and outlet port 11 of the closed cabinet 1 through a liquid cooling pipeline 12, and the liquid cooling plug boxes 3 are overlapped in the vertical direction;
the liquid cooling plug box 3 is a cold guide plug box with upper and lower side walls and is connected with the liquid cooling cradle 2 by a blind-insert type water connector;
The cradle rotating shaft 4, the cradle stop pair 5 and the cradle fixing angle piece 6 are used for fixing the liquid cooling cradle 2 and the closed cabinet 1, and the cradle rotating shaft 4 has a limiting function on the liquid cooling cradle 2;
The cradle quick lock 7 is used for temporarily fixing the liquid cooling cradle 2 during debugging of the liquid cooling cabinet;
the liquid level monitoring sensor 8, the alarm 9 and the liquid discharge funnel 10 are used for liquid leakage safety protection of the liquid cooling cabinet;
The liquid cooling pipeline 12 is a Teflon hose and is fixed inside the closed cabinet 1 through a pipeline fixing device 13.
The invention adopts a side wall type cold-conducting liquid cooling heat dissipation mode, the heat dissipation path of the electronic equipment is clear, and the heat dissipation capacity of the whole cabinet is strong; the liquid cooling cabinet is provided with cooling liquid by an external cold source, a compressor and a fan are not arranged in the cabinet, the noise of the whole machine is small, and the noise index of the whole machine of the equipment meets the I-type requirement; the cooling liquid provided by the external cold source is normal-temperature antifreezing solution with the temperature of 18-40 ℃, so that the condensed water in the equipment can be effectively prevented from being generated, the internal flow channel can be prevented from being corroded, and the device can adapt to various complex working conditions; the cabinet adopts the general cabinet body, only needs to change the cradle into the liquid cooling cradle and carry out secondary processing on the original cabinet body, can change the air cooling cabinet into the liquid cooling cabinet, can directly replace the cabinet in situ, and the universality is strong.
As a specific example, referring to fig. 1, fig. 2, and fig. 5, the liquid cooling cradle 2 is connected to the liquid inlet and outlet port 11 of the cabinet through a liquid cooling pipeline 12, and the ports at two ends of the liquid cooling pipeline 12 are all bayonet fluid connectors, so that the connection mode is simple and reliable.
As a specific example, as shown in fig. 3, the liquid cooling cradle 2 includes a diverter 2-1 and a cradle 2-2, where the diverter 2-1 is arranged on two sides of the liquid inlet and outlet channel, and is not communicated with each other, and only after the liquid cooling plug box 3 is inserted, a loop is formed; the liquid inlet and outlet of the diverter 2-1 are close to each other and protrude out of the bottom of the cradle, so that the diverter does not occupy space of the cradle, is convenient to install and maintain, is arranged on one side of the cradle rotating shaft 4, and shortens the length of the liquid cooling pipeline 12.
As a specific example, referring to fig. 1 and fig. 4, the liquid cooling plug boxes 3 are overlapped in the vertical direction, and a liquid cooling flow channel connected in parallel is arranged between each layer of liquid cooling plug boxes 3, so that the overall flow resistance of the liquid cooling cabinet is reduced, and the expansibility of the liquid cooling cabinet is improved; the liquid cooling inserting box 3 is a cold guiding inserting box with upper and lower side walls, is formed by splicing an integral structure, is connected with the liquid cooling cradle 2 by adopting a blind-insert type water joint, and is provided with a locating pin structure between the liquid cooling inserting box 3 and the liquid cooling cradle 2, and the locating pin contacts with the blind-insert type water joint before the liquid cooling inserting box 3 is inserted, so that the blind-insert type water joint is accurately positioned, and the blind-insert type water joint can be well protected under the working conditions of vibration and impact; the rubber sleeve is arranged outside the water joint seat of the liquid cooling cradle 2, so that the situation that liquid leakage is splashed onto electronic equipment due to the cooperation of the water joint is avoided; the blind-insert type water connectors and the insert box locating pins are distributed on the outer side of the front face of the liquid cooling insert box 3, so that the left water connector and the right water connector are uniformly stressed when the liquid cooling insert box is installed, the risk of liquid leakage of the water connectors is reduced, and meanwhile, the space at the back of the liquid cooling insert box 3 is saved. The heat dissipation mode of the side wall type cold conduction can meet the heat dissipation requirement of most plug-in modules, and for the plug-in modules with high heat dissipation requirement or power consumption of 120W-240W, the structural members of the plug-in modules can adopt a temperature equalizing plate.
As a specific example, in fig. 1, fig. 2, and fig. 6, the cradle rotating shaft 4 includes 3 groups of stress hinges 4-1 and 1 group of limiting hinges 4-2, the hinge shafts of the stress hinges 4-1 and the limiting hinges 4-2 are made of stainless steel materials, and the hinge plates are directly formed by processing 7075 aviation aluminum materials, so that the strength of the hinge combination is improved, and the use requirement of the liquid cooling cradle 2 is met; the hinge piece of the limiting hinge 4-2 is provided with a ball limiting pin, a spring and a limiting groove, and the ball limiting pin is jacked into the limiting groove under the action of the spring to realize the limiting function of the liquid cooling cradle 2.
As a specific example, the stress hinge 4-1 includes a first stress hinge piece, a second stress hinge piece, a stress hinge shaft, a stress flat pad, a stress self-locking nut, and a stress pad; the limiting hinge 4-2 comprises a first limiting hinge piece, a second limiting hinge piece, a limiting hinge shaft, a limiting flat pad, a limiting self-locking nut, a limiting liner, a ball limiting pin and a spring; the first stress hinge piece is connected with the second stress hinge piece through a stress hinge shaft, and a stress liner, a stress flat pad and a stress self-locking nut are sequentially arranged at the tail end of the stress hinge shaft; the first limiting hinge piece and the second limiting hinge piece are connected through a limiting hinge shaft, a limiting gasket, a limiting flat gasket and a limiting self-locking nut are sequentially arranged at the tail end of the limiting hinge shaft, and a ball head limiting pin and a spring are arranged between the first limiting hinge piece and the second limiting hinge piece.
The stress hinge shaft is in clearance fit with the first stress hinge piece and the second stress hinge piece through a base hole; the limiting hinge shaft is in clearance fit with the first limiting hinge piece and the second limiting hinge piece through a base hole. The tail ends of the stress hinge shaft and the limit hinge shaft are designed by adopting screw threads, and the hinge combination is locked by the stress self-locking nut and the limit self-locking nut respectively. The length of the stress hinge shaft is larger than that of the first stress hinge piece and the second stress hinge piece, and gaps between the stress hinge shaft and the first stress hinge piece and between the stress hinge shaft and the second stress hinge piece are filled with polytetrafluoroethylene material gaskets. The length of the limiting hinge shaft is greater than that of the first limiting hinge piece and the second limiting hinge piece, and a polytetrafluoroethylene material gasket is used for filling gaps between the limiting hinge shaft and the first limiting hinge piece and between the limiting hinge shaft and the second limiting hinge piece.
The stress hinge shaft and the limit hinge shaft are made of stainless steel materials. The first stress hinge piece, the second stress hinge piece, the first limit hinge piece and the second limit hinge piece are all manufactured by adopting 7075 aviation aluminum materials in a processing and molding mode.
The second limiting hinge piece is provided with a mounting hole for mounting the ball head limiting pin and the spring; a limiting groove is formed in the first limiting hinge piece; under the action of the spring, the ball head limiting pin keeps moving in the limiting groove of the first limiting hinge piece until moving to the step in the limiting groove, so that the limiting of the hinge combination is realized. And the limiting groove on the first limiting hinge piece is provided with limiting steps at corresponding positions according to requirements.
As a specific example, referring to fig. 1,2, 7, 8 and 9, the liquid cooling cradle 2 is fixed to the closed cabinet 1 by a cradle rotating shaft 4, a cradle stop pair 5 and a cradle fixing angle member 6. The cradle stop pair 5 is of a wedge-shaped structure, and the liquid cooling cradle 2 is fixed by friction force between wedge-shaped matching surfaces of stop pair structural members, so that the fixing mode is simple and reliable, and the working efficiency of operators is improved; the cradle fixing corner fitting 6 is fastened with the cabinet body of the closed cabinet 1 by adopting a loose-free screw 6-1; the locating pins 6-2 are arranged at the upper and lower parts of the cradle fixing corner fitting 6, so that the cradle stop pair (5) can realize accurate matching, and can bear the shearing force of the liquid cooling cradle 2 in the up and down directions, and the defect of poor shearing resistance of the screw 6-1 without loosening is overcome.
As a specific example, referring to fig. 1 and 10, the quick cradle lock 7 is used for temporary fixing of the liquid cooling cradle during debugging of the liquid cooling cabinet, the spring 7-1 and the lock tongue 7-2 are arranged inside the quick cradle lock 7, the lock tongue slot is formed in the corresponding position of the cabinet body of the closed cabinet 1, after the liquid cooling cradle 2 rotates and resets, the lock tongue 7-2 slides into the lock tongue slot of the closed cabinet 1 under the action of the spring 7-1, the liquid cooling cradle 2 is simply fixed, no fastener is required to be installed during debugging at ordinary times, and the operation is convenient and the debugging is convenient.
As a specific example, referring to fig. 1 and 11, a liquid outlet is provided at the bottom of the closed cabinet 1, a liquid outlet funnel 10 is installed, and the mating surface of the liquid outlet funnel is sealed, and the funnel outlet of the liquid outlet funnel 10 is connected with a condensation outlet pipeline, so that the tightness of the closed cabinet 1 is improved, and meanwhile, when the closed cabinet 1 leaks liquid, the internal cooling liquid can be timely discharged, so that excessive liquid accumulation in the closed cabinet 1 is avoided; the liquid level monitoring sensor 8 is arranged at the liquid outlet at the bottom of the closed cabinet 1, and when liquid leakage in the closed cabinet 1 causes liquid accumulation, the liquid level monitoring sensor 8 feeds signals back to the alarm 9 to control the alarm 9 to alarm.
As a specific example, in connection with fig. 12, the inlet and outlet pipes of the inlet and outlet liquid interface 11 are adjacently arranged, and are integrally welded and formed, so that the structure is simple and reliable; the pipeline fixing corner fitting and the pipeline are welded together, so that the pipeline can be prevented from being stressed and damaged in the use process.
As a specific example, referring to fig. 13, the liquid cooling pipeline 12 adopts a teflon hose, which has small turning radius, wide applicable temperature range, good anti-corrosion salt spray effect, high plasticity, and repeated bending in a small range of angles without damage; the rotation pivot of the liquid cooling pipeline 12 is arranged on the central line of the cradle rotating shaft 4, so that the amplitude of the pipeline along with the rotation motion of the liquid cooling cradle 2 is reduced, and the length difference caused by the rotation motion can be compensated by only reserving a very small length of the liquid cooling pipeline 12.
As a specific example, referring to fig. 1, 14, and 15, the liquid cooling pipeline 12 is fixed inside the closed cabinet 1 by a pipeline fixing device 13, where the pipeline fixing device 13 includes 2 groups of inactive fixing clips and 3 groups of active fixing clips, and the inactive fixing clips are used to fix two ends of the liquid cooling pipeline 12, so that when the liquid cooling cradle 2 rotates, the two ends of the liquid cooling pipeline 12 will not rotate along with the liquid cooling cradle in the rotation process, thereby avoiding damage to the connection part of the pipeline joint; rubber pads are arranged on the matching surfaces of the pressing plates and the pipelines in the non-movable fixing clamps and the movable fixing clamps, so that the friction force of the contact surface is increased, and the compression resistance of the compression joint parts of the non-movable fixing clamps and the movable fixing clamps is improved; the inactive fixing clip is used for limiting the position and the movement track of the liquid cooling pipeline 12 in the airtight cabinet 1. The non-movable fixing clamp and the movable fixing clamp are made of polytetrafluoroethylene materials, and in addition, an arc design mode is adopted, so that friction resistance between the liquid cooling pipeline 12 and the non-movable fixing clamp and the movable fixing clamp is reduced, and the liquid cooling pipeline 12 is prevented from being damaged due to overlarge stress.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The efficient heat dissipation mute closed liquid cooling cabinet is characterized by comprising a closed cabinet (1), a liquid cooling cradle (2), a liquid cooling plug box (3), a cradle rotating shaft (4), a cradle stop pair (5), a cradle fixing angle piece (6), a cradle quick lock (7), a liquid level monitoring sensor (8), an alarm (9), a liquid discharging funnel (10), a liquid inlet and outlet interface (11), a liquid cooling pipeline (12) and a pipeline fixing device (13);
the closed cabinet (1) is a general cabinet, and the external pipeline interfaces are a liquid inlet and outlet interface (11) and a condensation outlet;
the liquid cooling cradle (2) is connected with a liquid inlet and outlet interface (11) of the cabinet through a liquid cooling pipeline (12);
The liquid cooling plug box (3) is connected with the liquid cooling cradle (2) by adopting a blind plug type water connector;
The cradle rotating shaft (4), the cradle stop pair (5) and the cradle fixing angle piece (6) are used for fixing the liquid cooling cradle (2) and the closed cabinet (1), and the cradle rotating shaft (4) has a limiting function on the liquid cooling cradle (2);
the cradle quick lock (7) is used for temporarily fixing the liquid cooling cradle (2) during liquid cooling cabinet debugging;
the liquid level monitoring sensor (8), the alarm (9) and the liquid discharge funnel (10) are used for liquid leakage safety protection of the liquid cooling cabinet;
the liquid cooling pipeline (12) is fixed in the cabinet through a pipeline fixing device (13) and is used for cooling the closed cabinet (1);
The liquid cooling plug boxes (3) are overlapped in the vertical direction, and liquid cooling flow channels between each layer of liquid cooling plug boxes (3) are parallel flow channels; the liquid cooling plug box (3) is a cold guide plug box with upper and lower side walls, a blind-insert type water connector is connected with the liquid cooling cradle (2), and blind-insert type water connectors and plug box positioning pins are respectively arranged on two sides of the liquid cooling plug box (3);
the cradle fixing corner fitting (6) is provided with a loosening-preventing screw (6-1) and a locating pin (6-2), the cradle fixing corner fitting (6) is fastened with the cabinet body of the closed cabinet (1) by the loosening-preventing screw (6-1), and the locating pin (6-2) is arranged at the upper part and the lower part of the cradle fixing corner fitting (6);
the liquid level monitoring sensor (8), the alarm (9) and the liquid discharge funnel (10) are used for liquid leakage safety protection of the liquid cooling cabinet, and specifically comprise the following steps:
The bottom of the closed cabinet (1) is provided with a liquid outlet, a liquid outlet funnel (10) is arranged, the matching surface is subjected to sealing design, and the funnel outlet is connected with a condensation outlet pipeline and is used for discharging cooling liquid in the closed cabinet (1); a liquid level monitoring sensor (8) is arranged at the liquid outlet and is used for feeding back signals to an alarm (9) and controlling the alarm (9) to alarm;
The liquid cooling pipeline (12) adopts a Teflon hose, bayonet fluid connectors are arranged on two sides of the liquid cooling pipeline, and the liquid cooling pipeline is fixed in the airtight cabinet (1) through a pipeline fixing device (13); the rotation pivot of the liquid cooling pipeline (12) is arranged on the central line of the rotating shaft of the liquid cooling cradle (2).
2. The efficient heat-dissipation mute closed liquid cooling cabinet according to claim 1, wherein the liquid cooling cradle (2) comprises a flow divider (2-1) and a cradle (2-2), and the flow dividers (2-1) are arranged at two sides of the liquid inlet and outlet channel and are not communicated with each other; the liquid inlet and the liquid outlet of the diverter (2-1) are adjacent to each other and are arranged on one side of the rotating shaft (4) of the cradle.
3. The efficient heat-dissipation mute closed liquid cooling cabinet according to claim 1, wherein the cradle rotating shaft (4) comprises 3 groups of stress hinges (4-1) and 1 group of limiting hinges (4-2), and the limiting hinges (4-2) are provided with limiting grooves for limiting the liquid cooling cradle (2).
4. The efficient heat-dissipation mute closed liquid cooling cabinet according to claim 1, wherein the cradle stop pair (5) is of a wedge-shaped structure, and the liquid cooling cradle (2) is fixed by friction between wedge-shaped matching surfaces of stop pair structural members.
5. The efficient heat-dissipation mute closed liquid cooling cabinet according to claim 1, wherein the cradle quick lock (7) is used for temporarily fixing the liquid cooling cradle (2) during the debugging of the liquid cooling cabinet, and specifically comprises the following steps:
The quick lock (7) of the cradle is provided with a spring (7-1) and a lock tongue (7-2), the corresponding part of the cabinet body of the closed cabinet (1) is provided with a lock tongue slot, when the liquid cooling cradle (2) rotates and resets, the lock tongue (7-2) slides into the cabinet lock tongue slot under the action of the spring (7-1), and the liquid cooling cradle (2) is fixed.
6. The efficient heat-dissipation mute sealed liquid cooling cabinet according to claim 1, wherein the liquid cooling pipeline (12) adopts No. 65 normal-temperature antifreeze fluid at 18-40 ℃.
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| CN202210562507.0A CN114945263B (en) | 2022-05-23 | 2022-05-23 | Efficient heat-dissipation mute closed liquid cooling cabinet |
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| CN202210562507.0A CN114945263B (en) | 2022-05-23 | 2022-05-23 | Efficient heat-dissipation mute closed liquid cooling cabinet |
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| CN114945263A CN114945263A (en) | 2022-08-26 |
| CN114945263B true CN114945263B (en) | 2024-05-17 |
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| CN116456639B (en) * | 2022-12-06 | 2024-02-23 | 中国船舶集团有限公司第七〇七研究所 | Low noise reinforcement cabinet with local porous honeycomb structure |
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| US11778778B2 (en) * | 2020-11-03 | 2023-10-03 | Cmotion Technologies Limited | Liquid-cooled container equipment |
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