CN115568190B - IDC server seals cooling box and rack - Google Patents
IDC server seals cooling box and rack Download PDFInfo
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- CN115568190B CN115568190B CN202211396136.XA CN202211396136A CN115568190B CN 115568190 B CN115568190 B CN 115568190B CN 202211396136 A CN202211396136 A CN 202211396136A CN 115568190 B CN115568190 B CN 115568190B
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 112
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims description 15
- 238000007667 floating Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 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
- 230000005855 radiation Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
- H05K7/20718—Forced ventilation of a gaseous coolant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- 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
- H05K7/20763—Liquid cooling without phase change
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides an IDC server sealed cooling box, which comprises a box body and a main box, wherein the main box comprises an outer box body and an inner box body; the inner box body comprises an inner box body and an inner cover body, a main board installation cavity is formed in the inner box body, a liquid inlet is formed in the front end of the main board installation cavity, a liquid outlet is formed in the rear end of the main board installation cavity, annular grooves are formed in the edges of the open end of the main board installation cavity and the inner cover body, a sealing installation cavity is formed between the two annular grooves, the sealing installation cavity comprises at least two annular installation cavities which are sequentially arranged from outside to inside, a sealing ring is arranged in the annular installation cavity, the adjacent two annular installation cavities are communicated through a connecting groove, the height of the connecting groove is smaller than that of the annular installation cavity, and a suction nozzle and a triggering mechanism are arranged at the top of the inner cover body. The IDC server sealing cooling box has the advantages of compact structure, good sealing performance, real-time monitoring of the sealing performance, good stability and high reliability.
Description
Technical Field
The invention relates to a server, in particular to a sealed cooling box and a cabinet of an IDC server.
Background
The internet data center (INTERNET DATA CENTER) is abbreviated as IDC, which is the omnibearing service of the telecommunication department in aspects of server hosting, renting, relevant increment and the like by utilizing the existing internet communication line and bandwidth resources to establish a standardized telecom professional machine room environment. By using the IDC server for hosting the service, enterprises or government units can solve a plurality of professional demands of using the Internet without establishing a special machine room of the enterprises or government units, laying expensive communication lines and adopting network engineers with high salaries.
The services provided by IDCs can be broadly divided into four major types: host hosting, resource renting, value added services, and application services. IDC server generally has great configuration expansion than standard server, like hard disk etc. can be topped up, and the memory can also be very big, because server 24 hours uninterrupted duty, the heat that the internal chip of server cabinet produced is huge simultaneously, traditional forced air cooling can't satisfy the heat dissipation condition, cause the server performance to drop, influence server life, can cause the server to damage even, consequently, in order to improve heat dispersion, guarantee the normal operating of server, realize cooling to the server through the liquid cooling in prior art, usually adopt cold plate type or immersion cooling, but be different from the forced air cooling, the leakproofness of liquid cooling directly influences the steady operation of server, in the prior art, the leakproofness is a biggest technical problem that the liquid cooling server faces yet.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of providing the IDC server sealed cooling box and the cabinet which have the advantages of compact structure, convenience in assembly, good sealing performance and sealing monitoring function.
Technical proposal for solving the problems
The invention provides an IDC server sealed cooling box, which comprises an outer box body 1 and an inner box body 2 arranged in the outer box body 1; the inner box 2 includes interior box body 21 and installs the inner cup 22 at interior box body 21 top, the shaping has the open mainboard installation cavity 20 in upper end in the interior box body 21, the front end in mainboard installation cavity 20 is equipped with inlet 201, the rear end in mainboard installation cavity 20 is equipped with liquid outlet 202, the open end border in mainboard installation cavity 20 is equipped with the first sealed face that sets up, the border of inner cup 22 be equipped with can laminate in the second sealed face of first sealed face, first sealed face with all offer on the second sealed face be used for installing sealing washer 23 annular groove, two form sealed installation cavity between the annular groove, sealed installation cavity includes by outside and in at least two annular installation cavities that set gradually, be equipped with the sealing washer in the annular installation cavity, adjacent two through the spread groove intercommunication between the annular installation cavity, the height of spread groove is less than the height in annular installation cavity, the top of inner cup 22 be equipped with suction nozzle and suction nozzle 5 and be used for when being used for connecting with the suction nozzle and connecting with the air leakage alarm groove or the intercommunication when triggering the suction nozzle.
Further, a first mounting ring 61 is fixed at the top open end of the inner box body 21, and the top surface of the first mounting ring 61 is a plane and forms the first sealing surface; the edge of the inner cover body 22 is provided with a second mounting ring 62, and the bottom surface of the second mounting ring 62 is a plane and forms the second sealing surface.
Further, the triggering mechanism comprises a mounting seat 52 and a contact switch 511a which are fixed on the second mounting ring 62, a cylinder 53 which is horizontally arranged is fixed on the side wall of the mounting seat 52, a sliding plug 542 is arranged in the cylinder 53 in a sliding manner, a sliding plug rod 541 is arranged at the front end of the sliding plug 542, and the sliding plug rod 541 extends out of the cylinder 53 and forms a triggering rod for triggering the contact switch 511 a; a sealing cavity is formed between the rear end of the sliding plug 542 and the side wall of the mounting seat 52, the side wall of the sealing cavity is communicated with the connecting groove through an air passage 520, a first elastic component 55 which enables the sliding plug 542 to have an outward movement trend is arranged in the sealing cavity, and a limiting rod 543 which is used for contacting with the side wall of the mounting seat 52 to realize limiting is arranged at the rear end of the sliding plug 542.
Further, the stop lever 543 is coaxial with the sliding plug 542, a stop hole for accommodating the insertion of the stop lever 543 is provided on the side wall of the mounting seat 52, the air passage 520 is provided at the end of the stop hole, a concave hole 5430 is provided at the end of the stop lever 543, and an air vent 5431 for communicating the concave hole 5430 with the sealing cavity is provided on the side wall of the stop lever 543.
Further, the annular mounting cavity comprises a first annular mounting cavity 60a, a second annular mounting cavity 60c and a third annular mounting cavity 60e which are sequentially arranged from outside to inside; the sealing ring comprises sealing ring bodies respectively used for being clamped into the first annular mounting cavity 60a, the second annular mounting cavity 60c and the third annular mounting cavity 60e, connecting pieces are connected between two adjacent sealing ring bodies, the thickness of each connecting piece is smaller than the height of each connecting groove, and communication holes are formed in the upper end and the lower end of each connecting piece in a penetrating mode.
Further, the front end of the outer box body 1 is provided with an air inlet 111, the rear end of the outer box body 1 is provided with an air outlet, the outer wall of the inner box body 2 is provided with fins for heat dissipation, and the length directions of the fins are arranged front and back.
Further, the inner box body 1 is internally provided with a placing cavity 10 for placing the inner box body 2, the bottom surface of the placing cavity 10 is an inclined surface, the lower end of the inclined surface is provided with a liquid collecting tank 101, and the bottom of the liquid collecting tank 101 is provided with a liquid leakage detection mechanism 3 for triggering when liquid leakage occurs.
Further, the leakage detection mechanism 3 includes a housing, a sliding block 32 is vertically sliding in the housing, a rack is provided on a front side wall of the sliding block 32, a contact block is provided at a rear end of the sliding block 32, the contact block has a first contact surface vertically arranged and a second contact surface obliquely arranged at an upper end of the first contact surface, a sliding rod 35 is horizontally sliding at a rear end of the sliding block 32, a guide wheel is provided at a head of the sliding rod 35 and contacts with the first contact surface, a deflector rod 351 is provided on a side wall of the sliding rod 35, a micro switch 36 is provided on a movement path of the deflector rod 351, and a second elastic component for enabling the sliding rod 35 to have a movement trend toward the sliding block 32 is provided in the housing; the inside of the shell is hinged with a connecting rod 33, the root of the connecting rod 33 is provided with a gear meshed with the rack, and the connecting rod 33 extends downwards and obliquely to the outside of the shell and is hinged with a floating plate 34 arranged on the bottom surface of the liquid collecting tank 101.
Further, a third elastic member is disposed in the housing, so that the sliding block 32 has a downward movement tendency, and a downward pushing force generated by the third elastic member on the sliding block 32 is smaller than or equal to an upward driving force of the connecting rod 33 on the rack.
Further, the distance from the contact point of the guide wheel and the first contact surface to the second contact surface is a, the teeth on the rack or the gear are incomplete teeth, and when the sliding block 32 slides downwards for a distance b, the rack is separated from the gear, and the distance between the contact point and the first contact surface is 0 < (b-a) is less than or equal to 2mm.
Further, when the floating plate 34 floats upwards by a distance c, the slider 32 slides downwards by a distance b, and c is greater than or equal to 1mm and less than or equal to 5mm.
Meanwhile, the invention also provides an IDC server cabinet which comprises a cabinet body, wherein a plurality of IDC server sealing cooling boxes are arranged in the cabinet body.
Advantageous effects
According to the IDC server sealed cooling box, the vacuum cavity is arranged between the sealing rings to form negative pressure, so that the cover body and the box body can be automatically attracted, the attraction force is high, and the connection strength and reliability of the cover body and the box body are improved; the double vacuum chambers are arranged, so that double guarantee is realized, the connection strength is high, the reliability is good, and meanwhile, the sealing reliability and the use safety are greatly improved; the mounting ring is arranged, so that the rigidity is good, the structural strength is high, the mounting space of the sealing ring is increased, the tightness is improved, and the mounting space is provided for the air suction nozzle and the triggering mechanism; the valve seat is arranged, so that the installation space is increased, the installation of the suction nozzle is facilitated, the production difficulty is reduced, the connection strength is improved, and the installation is facilitated; the trigger mechanism is arranged, so that the vacuum cavity can be detected, when air leakage or liquid leakage is caused by poor sealing property, the contact switch can be triggered to send out an alarm signal, real-time detection is realized, and the use safety and reliability are improved; meanwhile, a liquid leakage detection mechanism is arranged, and an alarm signal is triggered and sent when liquid leakage occurs, so that liquid leakage detection can be carried out on the inner box body and the interface of the inner box body, and the sealing reliability is improved; the mechanical triggering structure has stable structure and reliable operation; the elastic component is arranged, so that triggering assistance can be realized, and meanwhile, the detection sensitivity and the response speed can be improved; the double-box structural design can realize double cooling, has good heat dissipation effect, can collect the cooling liquid leaked from the inner box and the interface thereof, avoids the cooling liquid from directly leaking to the cabinet or the machine room floor, improves the cleanliness and is convenient for recycling the cooling liquid; the fins or the profile radiator are arranged on the outer wall of the inner box body, so that the radiating area of the inner box body can be increased, and the radiating effect is improved by matching with air cooling radiation; the IDC server sealing cooling box has the advantages of compact structure, good sealing performance, real-time monitoring of the sealing performance, good stability and high reliability.
Drawings
FIG. 1 is a schematic diagram of a main housing of a sealed cooling box for an IDC server according to the present invention;
FIG. 2 is a schematic diagram of the open state of the main housing of the IDC server sealed cooling box of the present invention;
FIG. 3 is a schematic view of another angular configuration of a main housing of the IDC server sealed cooling box of the present invention;
FIG. 4 is a schematic view showing the placement of the inner housing of the main housing of the sealed cooling box of the IDC server of the present invention;
FIG. 5 is a schematic drawing showing the pulled-out state of the inner housing of the main housing of the sealed cooling box of the IDC server of the present invention;
FIG. 6 is a schematic diagram of the structure of the outer housing of the main housing of the IDC server sealed cooling box of the present invention;
FIG. 7 is a cross-sectional view of the outer housing of the sealed cooling box of the IDC server of the present invention;
FIG. 8 is a schematic view of the structure of the inner housing of the sealed cooling box of the IDC server of the present invention;
FIG. 9 is a schematic view of another angular configuration of the inner housing of the sealed cooling box of the IDC server of the present invention;
FIG. 10 is an exploded view of the inner housing of the sealed cooling box of the IDC server of the present invention;
FIG. 11 is an enlarged view of portion A of FIG. 10;
FIG. 12 is a cross-sectional view of the inner housing of the sealed cooling box of the IDC server of the present invention;
FIG. 13 is a schematic diagram of the trigger mechanism of the IDC server seal cooling box of the present invention;
FIG. 14 is an enlarged view of a portion of the trigger mechanism of the IDC server seal cooling box of the present invention;
FIG. 15 is a schematic view of the annular mounting cavity of the IDC server sealed cooling box of the present invention;
FIG. 16 is a schematic view of the seal ring installation of the IDC server seal cooling box of the present invention;
FIG. 17 is a schematic diagram of a leak detection mechanism of the IDC server seal cooling box of the present invention;
FIG. 18 is a schematic view of another angular configuration of a leak detection mechanism of the IDC server seal cooling box of the present invention;
fig. 19 is a cross-sectional view of the leak detection mechanism of the IDC server sealed cooling box of the present invention.
In the figure: 1-outer box body, 10-placing cavity, 101-liquid collecting tank, 11-front cover plate, 111-air inlet, 112-first hole body, 12-pull handle, 13-lock catch, 14-slide rail, 2-inner box body, 20-main board installing cavity, 201-liquid inlet, 202-liquid outlet, 21-inner box body, 211-handle, 22-inner cover body, 23-sealing ring, 23 a-first sealing ring body, 23 b-first connecting piece, 23 c-second sealing ring body, 23 d-second connecting piece, 23 e-third sealing ring body, 3-liquid leakage detecting mechanism, 32-slide block, 321-first contact surface, 322-second contact surface, 33-connecting rod, 34-floating plate, 35-slide bar 351-stick, 36-micro-switch, 4-valve seat, 41-first suction nozzle, 42-second suction nozzle, 5-trigger mechanism, 51-touch switch mount, 511 a-touch switch, 52-mount, 520-airway, 53-cylinder, 541-plug rod, 542-plug, 543-stop rod, 5430-recess, 5431-vent slot, 55-first resilient member, 60 a-first annular mounting cavity, 60 b-first connecting slot, 60 c-second annular mounting cavity, 60 d-second connecting slot, 60 e-third annular mounting cavity, 601-first suction channel, 602-second suction channel, 61-first mounting ring, 62-second mounting ring.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 19, the present invention provides a sealed cooling box for an IDC server, which includes a cabinet body and a plurality of main boxes installed in the cabinet body, wherein the main boxes include an outer box 1 and an inner box 2, the inner box 2 is installed in the outer box 1, the outer box 1 and the inner box 2 are both in a rectangular structure, the inner box 2 is internally used for installing the main boxes, and meanwhile, cooling liquid is filled in the inner box, so that immersed cooling can be realized, the outer box 1 can perform air cooling on the inner box 2, and meanwhile, leakage of the cooling liquid into the cabinet body can be avoided.
The structure of the main cabinet is described in detail as follows:
Referring to fig. 8-12, the inner case 2 includes an inner case body 21 and an inner case 22, a main board installation cavity 20 is formed in the inner case body 21, the top of the main board installation cavity 20 is opened, a support plate is provided at the bottom of the main board installation cavity 20, screw holes are provided on the support plate for installing a host, a server main board or other components, the inner case 22 is sealed and fixed at the top of the inner case body 21 by bolts, the inner main board installation cavity 20 forms a sealed cavity for realizing submerged cooling, a liquid inlet 201 is provided at the front end of the main board installation cavity 20 for communicating with the outlet end of a circulation pump of a cooling liquid system for inputting cooling liquid, a liquid outlet 202 is provided at the rear end of the main board installation cavity 20 for connecting with a cooling liquid tank or a radiator for discharging cooling liquid after absorbing heat, the inner case body 21 is sealed and the inner case 22, a sealing element is arranged between the two, and is used for realizing sealing, in particular, a first sealing surface is arranged at the edge of the opening end of the main board mounting cavity 20, the first sealing surface is arranged upwards, a second sealing surface is arranged at the edge of the inner cover body 22, the second sealing surface is arranged downwards and can be attached to the first sealing surface, in the embodiment, a first mounting ring 61 is fixed at the top opening end of the inner box body 21, the top surface of the first mounting ring 61 is a plane and forms a first sealing surface, a second mounting ring 62 is arranged at the edge of the inner cover body 22, the bottom surface of the second mounting ring 62 is a plane and forms a second sealing surface, the first mounting ring 61 and the second mounting ring 62 are made of steel or aluminum, are integrally in rigid structures and are respectively welded on the inner box body 21 and the inner cover body 22, the thickness of the first mounting ring 61 is 5mm-10mm, annular grooves are formed on the first sealing surface and the second sealing surface, for installing sealing washer 23, and then realize sealing, form sealed installation cavity between the annular groove on the first sealed face and the annular groove on the second sealed face, sealed installation cavity includes by outside (be close to the border) and in (keep away from the border) set gradually two at least annular installation cavities, annular installation cavity is annular, it is the same with the border shape of interior box body or interior box body, be equipped with the sealing washer in annular installation cavity, communicate through the spread groove between two adjacent annular installation cavities, this spread groove is the ring channel, and the height of spread groove is less than the height of annular installation cavity, be equipped with suction nozzle and trigger mechanism at the top of interior box 22, suction nozzle and spread groove intercommunication and be used for the evacuation, trigger mechanism and spread groove intercommunication and be used for triggering and warning when spread groove leaks gas or liquid.
Referring to fig. 15-16, in this embodiment, the annular mounting cavity includes a first annular mounting cavity 60a, a second annular mounting cavity 60c and a third annular mounting cavity 60e sequentially disposed from outside (near the edge) to inside (far from the edge), wherein the cross sections of the first annular mounting cavity 60a and the third annular mounting cavity 60e are rectangular, the cross section of the second annular mounting cavity is circular, a first connecting groove 60b is disposed between the first annular mounting cavity 60a and the second annular mounting cavity 60c, the height of the first connecting groove 60b is smaller than the heights of the first annular mounting cavity 60a and the second annular mounting cavity 60c, a second connecting groove 60d is disposed between the second annular mounting cavity 60c and the third annular mounting cavity 60e, and the height of the second connecting groove 60d is smaller than the heights of the second annular mounting cavity 60c and the third annular mounting cavity 60 e; the sealing ring 23 comprises a first sealing ring body 23a, a second sealing ring body 23c and a third sealing ring body 23e, wherein the first sealing ring body 23a is installed in a first annular installation cavity 60a, the second sealing ring body 23c is installed in a second annular installation cavity 60c, the third sealing ring body 23e is installed in a third annular installation cavity 60e and is used for realizing sealing, a first connecting piece 23b is connected between the first sealing ring body 23a and the second sealing ring body 23c, the thickness of the first connecting piece 23b is smaller than the height of the first connecting groove 60b, and meanwhile, a plurality of communication holes are formed at the upper end and the lower end of the first connecting piece 23b, so that the first connecting grooves 60b at the upper end and the lower end of the first connecting piece 23b are mutually communicated; a second connecting piece 23d is connected between the second sealing ring body 23c and the third sealing ring body 23e, the thickness of the second connecting piece 23d is smaller than the height of the second connecting groove 60d, meanwhile, a plurality of communication holes are formed at the upper end and the lower end of the second connecting piece 23d, so that the second connecting grooves 60d at the upper end and the lower end of the second connecting piece 23d are mutually communicated, the first sealing ring body 23a, the first connecting piece 23b, the second sealing ring body 23c, the second connecting piece 23d and the third sealing ring body 23e are integrally formed, and are made of rubber, so that the whole is formed, and the quick assembly can be realized; in order to improve assembly efficiency and precision, avoid phenomenon such as the sealing washer takes place to twist reverse when the assembly, in this embodiment, be equipped with the support body in second sealing washer body 23c, this support body has certain elasticity, plays the effect of support, makes sealing washer 23 wholly form the annular structure the same with annular installation cavity shape, and quick, accurate installation of being convenient for improves assembly efficiency and precision, avoids the sealing washer to install and not put in place and influences sealing performance, forms sealed defect.
Referring to fig. 10-11, a rectangular parallelepiped valve seat 4 is fixed on the second mounting ring 62, valve openings of the same number as the connecting grooves are provided in the valve seat 4, one valve opening is communicated with one connecting groove, a suction nozzle is provided on the valve opening, the suction nozzle has a one-way valve structure similar to that of the nozzle on the tire, because the valve opening is the prior art, therefore, in this embodiment, the valve seat 4 is provided with a first valve opening and a second valve opening, the first valve opening is communicated with a first suction passage 601 provided on the first connecting groove 60b, a first suction nozzle 41 is fixed on the first valve opening, the second valve opening is communicated with a second suction passage 602 provided on the second connecting groove 60d, a suction to the first suction nozzle 41 can be realized by the suction pump, a suction to the second suction nozzle 42 can be realized by the suction pump to the second connecting groove 60d, and in order to facilitate operation, and simultaneously, the first suction nozzle is provided at the front end of the first valve seat 4 and the first suction nozzle 42 is provided in the front of the embodiment; by vacuumizing the connecting groove, the first sealing surface (the first mounting ring 61) and the second sealing surface (the second mounting ring 62) can be sucked and fixed through air pressure (air pressure), the suction force is high, the connection reliability is high, the tightness is improved, and meanwhile, the internal vacuum degree can be used for detecting the tightness of the sealing ring; the above structure can improve the connection strength, connection reliability and sealing property of the inner lid body 22 on the inner case body 21.
Referring to fig. 13-14, the triggering mechanism includes a mounting seat 52 and a contact switch 511a, the mounting seat 52 and the contact switch 511a are both mounted on the second mounting ring 62, a cylinder 53 is fixed on a side wall of the mounting seat 52, the cylinder 53 is horizontally arranged, a sliding cavity is formed in the cylinder 53, the sliding cavity is circular in cross section and is horizontally arranged (axis line), a sliding plug 542 is arranged in the sliding cavity in a sliding manner, the sliding plug 542 can slide horizontally, a sliding plug rod 541 is arranged at the front end (one end far from the mounting seat) of the sliding plug 542, the sliding plug rod 541 extends axially to the outside of the cylinder 53 and forms a triggering rod, the contact switch 511a is fixed on the second mounting ring 62 through a switch mounting seat 51, the contact switch 511a faces the sliding plug rod 541 and is located on the same axis line with the sliding plug rod 541, the sliding plug rod 541 (triggering rod) can trigger, a strip-shaped mounting groove is formed in the switch mounting seat 51, and the sliding plug rod is fixed on the second mounting ring 62 through at least two bolts, so that the contact distance between the contact switch 511a and the sliding plug rod can be adjusted horizontally; a sealing cavity is formed between the rear end (near one end of the mounting seat) of the sliding plug 542 and the side wall of the mounting seat 52, the side wall of the sealing cavity is communicated with the connecting groove through an air channel 520, a limit rod 543 is arranged at the rear end of the sliding plug 542, the limit rod 543 is used for being in contact with the side wall of the mounting seat 52 to realize limit, the limit rod 543 is coaxially arranged with the sliding plug 542, meanwhile, a limit hole is formed in the side wall of the mounting seat 52, the limit hole is coaxial with the limit rod 543 and can be inserted by the limit rod, the end part of the limit rod 543 can be in contact with the end surface of the limit hole to realize limit, in the embodiment, the air channel 520 is formed at the bottom surface of the limit hole, meanwhile, a concave hole 5430 is formed at the end part of the limit rod 543 and is aligned with the air channel outlet end, meanwhile, a vent groove 5431 is formed in the side wall of the limit rod 543 and is communicated with the concave hole 5430 and extends forwards to the sealing cavity to be used for being communicated with the sealing cavity, meanwhile, a first elastic component 55 is arranged in the sealing cavity, the first elastic component 55 enables the sliding plug 542 to move forwards, namely the first elastic component 55 enables the sliding plug 542 to move forwards towards the first elastic component 511 to be close to the elastic component 511a, and is a compression spring sleeve is arranged in the embodiment, and is a compression spring case; each connecting groove forms an independent hollow cavity and corresponds to one triggering mechanism, in this embodiment, two connecting grooves (a first connecting groove 60b and a second connecting groove 60 d) are provided, so two triggering mechanisms are provided, the two triggering mechanisms share one mounting seat 52, two cylinder bodies 53 are symmetrically arranged on two sides of the mounting seat 52, and in this embodiment, the mounting seat 52 is arranged at the front end of the inner box body 2.
When the third seal ring body 23e deforms, damages or other causes to reduce the tightness, the cooling liquid enters the second connecting groove 60d, so that the second connecting groove 60d loses vacuum, the inside of the second connecting groove loses negative pressure, the sliding plug 542 communicated with the second connecting groove 60d loses negative pressure constraint, the sliding plug 542 slides outwards under the action of the first elastic component 55, and the sliding plug rod at the end part of the sliding plug slides on the contact switch 511a to send out an alarm signal to prompt the third seal ring body 23e to reduce the tightness or lose tightness.
When the tightness of the first seal ring body 23a is reduced due to deformation, damage or other reasons, external air enters the first connecting groove 60b, so that the first connecting groove 60b loses vacuum, the inside of the first connecting groove loses negative pressure, the sliding plug 542 communicated with the first connecting groove 60b loses negative pressure constraint, the sliding plug 542 slides outwards under the action of the first elastic component 55, and the sliding plug rod at the end part of the sliding plug is enabled to trigger the contact switch 511a so as to send out an alarm signal to prompt that the tightness of the first seal ring body 23a is reduced or the tightness is lost.
When one of the contact switches triggers and sends out an alarm signal, the fact that one of the sealing ring bodies loses the sealing performance is indicated, and the other sealing ring body is in a normal sealing state, so that the integral sealing performance of the inner box body 2 is not affected, the cooling liquid in the inner box body cannot leak, the normal operation of a server is not affected, and the sealing ring can be maintained and replaced first; when all the contact switches trigger and send out alarm signals, it is indicated that all the sealing rings lose tightness, at this time, the internal cooling liquid can leak, and maintenance is necessary.
In order to further improve the reliability of use and detect leaked (cooled) liquid in real time, in the application, a downward concave liquid collecting groove 101 is arranged at the bottom of a placing cavity 10, specifically, the liquid collecting groove 101 is arranged at the bottom of the rear end of the placing cavity 10, meanwhile, the bottom surface of the placing cavity 10 is a backward inclined plane, namely, the front end of the bottom surface of the placing cavity 10 is higher than the rear end, so as to play a role of guiding flow, the leaked cooled liquid is guided into the liquid collecting groove 101, meanwhile, a liquid leakage detecting mechanism 3 is arranged in the liquid collecting groove 101, and when the cooled liquid appears in the liquid collecting groove 101, triggering and alarming are carried out, namely, the liquid leakage detecting mechanism is used for detecting whether the inner box body 2 leaks or not, specifically, the liquid leakage detection mechanism 3 comprises a rectangular shell, wherein a sliding block 32, a sliding rod 35, a connecting rod 33, a floating plate 34 and a micro switch 36 are arranged in the shell, the sliding block 32 is vertically and slidingly arranged in the shell, namely, the sliding direction of the sliding block 32 is perpendicular to the horizontal plane, a rack is arranged at the front end of the sliding block 32, the rack is vertically arranged towards the outside of the shell, a contact block is arranged at the rear end of the sliding block 32, the contact block is provided with a first contact surface 321 vertically arranged and a second contact surface 322 positioned at the upper end of the first contact surface 321, the upper end of the second contact surface 322 is obliquely arranged towards the direction close to the rack, an oblique guide surface is formed, and an included angle between the second contact surface 322 and the horizontal plane is 30 degrees to 45 degrees, The sliding rod 35 is positioned at the rear end of the sliding block 32 and horizontally slides in the shell, the head of the sliding rod 35 is provided with a guide wheel which is used for reducing friction coefficient and improving triggering efficiency and reliability, meanwhile, the side wall of the sliding rod 35 is provided with a deflector rod 351 which is used for triggering a micro switch 36, the micro switch is arranged on the moving path of the deflector rod 351, and when the sliding block 32 moves downwards and the guide wheel enters a second contact surface from the first contact surface to trigger, namely, the deflector rod 351 approaches the sliding block, the micro switch 36 is triggered to send an alarm signal; A second elastic component is arranged in the shell, and the second elastic component enables the sliding rod 35 to have a movement trend towards the sliding block 32, namely, the second elastic component enables the guide wheel to press the first contact surface; a connecting rod 33 is hinged in the shell, the rotation axis of the connecting rod 33 is horizontal, a gear is arranged at the root (hinged end) of the connecting rod 33, the gear is meshed with the rack, the connecting rod 33 extends downwards to the outside of the shell in an inclined mode, a floating plate 34 is hinged at the end of the connecting rod 33 and is attached to the bottom surface of the liquid collecting tank 101, the floating plate 34 is made of foam and can float in cooling liquid, when the cooling liquid exists in the liquid collecting tank, the floating plate 34 floats upwards to enable the connecting rod to rotate, the sliding block 32 is driven to move downwards, a guide wheel enters the second contact surface from the first contact surface, and the sliding rod is accelerated to slide under the elastic action of the second elastic component to trigger the micro switch; In order to improve the triggering sensitivity and reduce the rapid response of the gravity influence of the floating plate 34 and the connecting rod 33 to the buoyancy, in the embodiment, a third elastic component is arranged in the shell, the third elastic component makes the sliding block 32 have a downward movement trend, and meanwhile, the downward thrust generated by the third elastic component on the sliding block 32 is smaller than or equal to the upward driving force formed by the connecting rod 33 on the rack, namely, the third elastic component is used for counteracting the gravity influence of the floating plate and the connecting rod, so that the buoyancy sensitivity is improved, and the triggering accuracy is further improved; in order to reduce the influence of the floating plate and the connecting rod on the sliding block during triggering, in the embodiment, the teeth on the rack or the gear are incomplete teeth, when the sliding block 32 slides downwards for a distance b, the rack is separated from the gear, the distance from the contact point of the guide wheel and the first contact surface to the second contact surface is a, and the distance from the contact point of the guide wheel and the first contact surface to the second contact surface is 0 < (b-a) is less than or equal to 2mm; When the floating plate 34 floats upwards by a distance c, the sliding block 32 slides downwards by a distance b which is more than or equal to 1mm and less than or equal to 5mm, so that the response efficiency can be improved, namely, the triggering can be realized when the liquid level is 1mm-5mm, and the triggering precision is improved; the leakage detection mechanism can detect leakage of the cooling liquid in the inner box body, and can detect leakage at the interface (liquid inlet and liquid outlet) of the inner box body.
Referring to fig. 1-7, an outer case 1 includes an outer case body with an open front end, a placing cavity 10 is formed in the outer case body, the front end of the placing cavity 10 is open, slide rails 14 are symmetrically arranged at two sides of the placing cavity 10, an inner case 2 is slidably matched in the placing cavity 10 through the slide rails 14, at the same time, handles 211 are symmetrically arranged at two sides of the front end of the inner case 2 and used for pulling the inner case 2, a front cover plate 11 is hinged at the front end of the placing cavity 10, an air inlet 111 and a first hole 112 used for allowing a liquid inlet pipe to pass through are formed in the front cover plate 11, the liquid inlet pipe is used for being connected with a liquid inlet at the front end of the inner case 2 and used for providing cooling liquid, an air outlet and a second hole 202 used for allowing a Rong Chuye pipe to pass through are formed at the rear end of the placing cavity 10 and used for being connected with a liquid outlet 202 at the rear end of the inner case 2 and used for discharging cooling liquid absorbing excessive heat in the inner case 2, at the same time, a pull handle 12 is arranged on the front cover plate 11, a front cover plate 11 is arranged between the front cover plate 11 and the outer case body and the front cover plate 11 are fixedly arranged.
There is the clearance between the outer wall of interior box 2 and the inner wall of outer box 1, form the wind channel, can realize the forced air cooling to interior box 2, in order to improve heat dissipation, cooling efficiency, be equipped with radiating part at the lateral wall of interior box 2, be used for increasing heat radiating area, improve heat dissipation, cooling efficiency, in this embodiment, the outer wall of interior box 2 is equipped with the fin, specifically, top surface at interior box 2 respectively, both sides face and bottom surface all are provided with fin or section bar radiator, the length direction in clearance on fin or the section bar radiator sets up back and forth, consequently, the cooling air that sends into from the air intake 111 of outer box 1 front end gets into and places in the chamber 10, take away the heat on fin and the section bar radiator, and discharge from the air outlet of placing the chamber 10 rear end, realize the forced air cooling.
Wire holes for allowing cables to pass through are formed in the inner box body 2 and the outer box body 1, sealing rings are arranged in the wire holes, and sealing glue is coated after the cables pass through, so that sealing is achieved.
Meanwhile, the invention also provides an IDC server cabinet, which comprises a cabinet body, wherein the cabinet body is integrally cuboid, a mounting cavity with an open front end is formed in the cabinet body, a horizontal supporting plate is arranged in the mounting cavity, the plurality of supporting plates are arranged in the mounting cavity at equal intervals up and down to form a plurality of placing cavities for placing the sealed cooling boxes, the sealed cooling boxes of the IDC server are placed in the placing cavities, the sealed cooling boxes can be pulled out forwards, and the cabinet can be quickly mounted and dismounted like a drawer structure, and a door is hinged to the open front end of the mounting cavity.
The air cooling system has the same structure (principle) as the air conditioning system, and the cold air outlet end of the air cooling system is communicated with the air inlet 111 on the outer box body 1; the liquid cooling circulation system comprises a liquid storage tank, a circulating pump and a heat exchanger, wherein a liquid outlet end of the liquid cooling circulation system is connected with a liquid inlet 201 on the inner tank body 2, and a liquid return pipe is connected with a liquid outlet 202 on the inner tank body 2 to form circulation; the liquid cooling circulation system and the air cooling system can be arranged in the cabinet or outside the cabinet.
According to the IDC server sealed cooling box, the vacuum cavity is arranged between the sealing rings to form negative pressure, so that the cover body and the box body can be automatically attracted, the attraction force is high, and the connection strength and reliability of the cover body and the box body are improved; the double vacuum chambers are arranged, so that double guarantee is realized, the connection strength is high, the reliability is good, and meanwhile, the sealing reliability and the use safety are greatly improved; the mounting ring is arranged, so that the rigidity is good, the structural strength is high, the mounting space of the sealing ring is increased, the tightness is improved, and the mounting space is provided for the air suction nozzle and the triggering mechanism; the valve seat is arranged, so that the installation space is increased, the installation of the suction nozzle is facilitated, the production difficulty is reduced, the connection strength is improved, and the installation is facilitated; the trigger mechanism is arranged, so that the vacuum cavity can be detected, when air leakage or liquid leakage is caused by poor sealing property, the contact switch can be triggered to send out an alarm signal, real-time detection is realized, and the use safety and reliability are improved; meanwhile, a liquid leakage detection mechanism is arranged, and an alarm signal is triggered and sent when liquid leakage occurs, so that liquid leakage detection can be carried out on the inner box body and the interface of the inner box body, and the sealing reliability is improved; the mechanical triggering structure has stable structure and reliable operation; the elastic component is arranged, so that triggering assistance can be realized, and meanwhile, the detection sensitivity and the response speed can be improved; the double-box structural design can realize double cooling, has good heat dissipation effect, can collect the cooling liquid leaked from the inner box and the interface thereof, avoids the cooling liquid from directly leaking to the cabinet or the machine room floor, improves the cleanliness and is convenient for recycling the cooling liquid; the fins or the profile radiator are arranged on the outer wall of the inner box body, so that the radiating area of the inner box body can be increased, and the radiating effect is improved by matching with air cooling radiation; the IDC server sealing cooling box has the advantages of compact structure, good sealing performance, real-time monitoring of the sealing performance, good stability and high reliability.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. An IDC server sealed cooling box, characterized in that: comprises an outer box body (1) and an inner box body (2) arranged in the outer box body (1); the inner box body (2) comprises an inner box body (21) and an inner cover body (22) arranged at the top of the inner box body (21), a main board installation cavity (20) with an open upper end is formed in the inner box body (21), a liquid inlet (201) is formed in the front end of the main board installation cavity (20), a liquid outlet (202) is formed in the rear end of the main board installation cavity (20), a first sealing surface which is upwards arranged is arranged at the edge of the open end of the main board installation cavity (20), a second sealing surface which can be attached to the first sealing surface is arranged at the edge of the inner cover body (22), annular grooves for installing sealing rings (23) are formed in the first sealing surface and the second sealing surface, sealing installation cavities are formed between the two annular grooves, each sealing installation cavity comprises at least two annular installation cavities which are sequentially arranged from outside to inside, sealing rings are arranged in the annular installation cavities, the two adjacent annular installation cavities are communicated through a connecting groove, the height of the connecting groove is smaller than that of the annular installation cavity (22) and the sealing groove is used for connecting the suction nozzle with a suction nozzle (5) or the suction nozzle (5);
a first mounting ring (61) is fixed at the top open end of the inner box body (21), and the top surface of the first mounting ring (61) is a plane and forms the first sealing surface; a second mounting ring (62) is arranged at the edge of the inner cover body (22), and the bottom surface of the second mounting ring (62) is a plane and forms the second sealing surface;
The trigger mechanism comprises a mounting seat (52) and a contact switch (511 a), wherein the mounting seat (52) is fixed on the second mounting ring (62), a cylinder body (53) which is horizontally arranged is fixed on the side wall of the mounting seat (52), a sliding plug (542) is arranged in the cylinder body (53) in a sliding manner, a sliding plug rod (541) is arranged at the front end of the sliding plug (542), and the sliding plug rod (541) extends out of the cylinder body (53) and forms a trigger rod for triggering the contact switch (511 a); a sealing cavity is formed between the rear end of the sliding plug (542) and the side wall of the mounting seat (52), the side wall of the sealing cavity is communicated with the connecting groove through an air passage (520), a first elastic component (55) which enables the sliding plug (542) to have an outward movement trend is arranged in the sealing cavity, and a limiting rod (543) which is used for being in contact with the side wall of the mounting seat (52) to limit is arranged at the rear end of the sliding plug (542).
2. The IDC server sealed cooling box of claim 1, wherein: the limiting rod (543) is coaxial with the sliding plug (542), a limiting hole for accommodating the limiting rod (543) is formed in the side wall of the mounting seat (52), the air passage (520) is formed in the end portion of the limiting hole, a concave hole (5430) is formed in the end portion of the limiting rod (543), and a ventilation groove (5431) for communicating the concave hole (5430) with the sealing cavity is formed in the side wall of the limiting rod (543).
3. The IDC server sealed cooling box of claim 1, wherein: the annular mounting cavity comprises a first annular mounting cavity (60 a), a second annular mounting cavity (60 c) and a third annular mounting cavity (60 e) which are sequentially arranged from outside to inside; the sealing ring comprises sealing ring bodies respectively used for being clamped into the first annular mounting cavity (60 a), the second annular mounting cavity (60 c) and the third annular mounting cavity (60 e), connecting pieces are connected between every two adjacent sealing ring bodies, the thickness of each connecting piece is smaller than the height of each connecting groove, and communication holes penetrate through the upper end and the lower end of each connecting piece.
4. The IDC server sealed cooling box of claim 1, wherein: the front end of the outer box body (1) is provided with an air inlet (111), the rear end of the outer box body (1) is provided with an air outlet, the outer wall of the inner box body (2) is provided with fins for heat dissipation, and the length directions of the fins are arranged front and back.
5. The IDC server sealed cooling box of claim 1, wherein: the inner box body (1) is internally provided with a placing cavity (10) for placing the inner box body (2), the bottom surface of the placing cavity (10) is an inclined surface, the lower end of the inclined surface is provided with a liquid collecting groove (101), and the bottom of the liquid collecting groove (101) is provided with a liquid leakage detection mechanism (3) for triggering when liquid leakage occurs.
6. The IDC server sealed cooling cabinet of claim 5, wherein: the leakage detection mechanism (3) comprises a shell, a sliding block (32) is vertically and slidably arranged in the shell, a rack is arranged on the side wall of the front end of the sliding block (32), a contact block is arranged at the rear end of the sliding block (32), the contact block is provided with a first contact surface (321) which is vertically arranged and a second contact surface (322) which is positioned at the upper end of the first contact surface (321) and is obliquely arranged, the rear end of the sliding block (32) is horizontally and slidably provided with a sliding rod (35), the head of the sliding rod (35) is provided with a guide wheel and is contacted with the first contact surface (321), a deflector rod (351) is arranged on the side wall of the sliding rod (35), a micro switch (36) is arranged on the movement path of the deflector rod (351), and a second elastic component which enables the sliding rod (35) to have a movement trend close to the sliding block (32) is arranged in the shell; the connecting rod (33) is hinged in the shell, a gear meshed with the rack is arranged at the root of the connecting rod (33), and the connecting rod (33) extends out of the shell in a downward inclined mode and is hinged with a floating plate (34) arranged on the bottom face of the liquid collecting groove (101).
7. The IDC server sealed cooling cabinet of claim 6, wherein: the shell is internally provided with a third elastic component which enables the sliding block (32) to have a downward movement trend, and the downward thrust generated by the third elastic component on the sliding block (32) is smaller than or equal to the upward driving force of the connecting rod (33) on the rack.
8. The IDC server sealed cooling cabinet of claim 7, wherein: the distance from the contact point of the guide wheel and the first contact surface (321) to the second contact surface (322) is a, the teeth on the rack or the gear are incomplete teeth, and when the sliding block (32) slides downwards for a distance b, the rack is separated from the gear, and the distance between the rack and the gear is less than or equal to 0 < (b-a) and less than or equal to 2mm.
9. The IDC server sealed cooling cabinet of claim 8, wherein: when the floating plate (34) floats upwards by a distance c, the sliding block (32) slides downwards by a distance b, and c is more than or equal to 1mm and less than or equal to 5mm.
10. An IDC server cabinet, characterized in that: comprising a cabinet body provided with a plurality of IDC server sealed cooling boxes according to any one of claims 1-9.
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| CN112020271B (en) * | 2017-07-17 | 2022-04-22 | 华为技术有限公司 | Liquid cooling device and server including the same |
| CN210641234U (en) * | 2019-08-13 | 2020-05-29 | 南京佳力图机房环境技术股份有限公司 | Visual immersed liquid cooling device |
| CN111065250A (en) * | 2020-01-20 | 2020-04-24 | 许昌许继晶锐科技有限公司 | Server cooling device and server cabinet using same |
| CN114069409B (en) * | 2021-11-12 | 2024-10-11 | 南方电网海南数字电网研究院有限公司 | Distribution network terminal safety protection equipment |
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| CN114696236B (en) * | 2022-05-31 | 2022-08-23 | 宁波达航数据技术有限公司 | Integration lithium electricity power cabinet |
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| CN104260114A (en) * | 2014-07-03 | 2015-01-07 | 伊特克斯惰性气体系统（北京）有限公司 | Glove box body and production method thereof |
| CN213482806U (en) * | 2020-12-28 | 2021-06-18 | 东莞市同裕电子有限公司 | Liquid cooling radiator for server |
| CN214311638U (en) * | 2021-02-02 | 2021-09-28 | 兰洋(宁波)科技有限公司 | Immersion type heat dissipation cooling box |
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