CN108153393A - A kind of computer and information engineering heat dissipation dust-extraction unit - Google Patents
A kind of computer and information engineering heat dissipation dust-extraction unit Download PDFInfo
- Publication number
- CN108153393A CN108153393A CN201810159288.5A CN201810159288A CN108153393A CN 108153393 A CN108153393 A CN 108153393A CN 201810159288 A CN201810159288 A CN 201810159288A CN 108153393 A CN108153393 A CN 108153393A
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- wall
- cabinet
- heat dissipation
- card slot
- dust
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
- G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to computers and information engineering technical field, especially a kind of computer and information engineering heat dissipation dust-extraction unit, the process of cleaning for dust stratification in cabinet and cabinet dismounting is relatively complicated and the technical issues of heat dissipation dust removing effects are poor, now propose following scheme, including cabinet, the side outer wall of the cabinet is provided with card slot, and card slot inner wall is fixed with front shroud by screw, the opposite side outer wall of the cabinet is provided with the second card slot, and the second card slot inner wall is fixed with backboard by screw.The present invention passes through the partition board on side cover plate, it will be per the sealing of part important component, with closing convection flow fan, dust stratification progress convection current is depressed into stored ash box, cabinet inside will not be deposited on, center fixed column and quick fixing nut match the clamping for closing sealing strip and side cover plate, it can be conveniently detached, by air-cooled with water cooling raising heat dissipation effect is closed, filter core is provided at convection holes, the filtering of dust accumulation is carried out while heat loss through convection.
Description
Technical field
The present invention relates to computer and information engineering technical fields more particularly to a kind of computer to radiate with information engineering
Dust-extraction unit.
Background technology
With popularizing for computer, computer has become people's communication, office, has entertained the best tool being integrated, meter
It calculates machine host easily to generate heat after prolonged work, computer delay of response is caused even to crash, in computer fittings field,
A part of the cabinet as host, main function are the various accessories placed with fixed host computer, play a support and protection
Effect, existing computer mainframe box heat dissipation is all using made of metal material, and heat dissipation performance is poor, all can in general cabinet
Equipped with for cooling fan, fan running inevitably results in air and flows, and the dust in air can be flowed into air
In cabinet, due to existing cabinet do not have dedusting function, be used for a long time cabinet inside can a large amount of dust stratifications, when serious very
Computer interim card can extremely be caused, artificial cabinet of periodically opening is needed to carry out deashing, and since cabinet inside board stands in great numbers, manually
Deashing intricate operation, cleaning are got up also extremely difficult.
Invention content
The process of cleaning and dismounting based on dust stratification in cabinet it is relatively complicated and heat dissipation dust removing effects it is poor the technical issues of,
The present invention proposes a kind of computer and information engineering heat dissipation dust-extraction unit.
A kind of computer proposed by the present invention and information engineering heat dissipation dust-extraction unit, including cabinet, the one of the cabinet
Side outer wall is provided with card slot, and card slot inner wall is fixed with front shroud by screw, and the opposite side outer wall of the cabinet is provided with the second card
Slot, and the second card slot inner wall is fixed with backboard by screw, the top exterior walls of the cabinet are welded with convection current box, and the bottom of cabinet
Portion's outer wall four corners are fixed with supporting pad by screw, and the side outer wall bottom of the cabinet is connected through the hinge and has side cover
Plate, and the bottom outer wall of cabinet is welded with dust-collecting box frame close to the side of side cover plate, the bottom interior wall of dust-collecting box frame is plugged with storage
Ash box, side inner wall of the cabinet far from side cover plate is fixed with mainboard mounting disc by screw, and cabinet is installed close to mainboard
The side inner wall of disk is provided with line card adjustment hole, and the both sides inner wall of line card adjustment hole is connected with same line card, and the cabinet is separate
The side inner wall of side cover plate is welded with power supply mounting box, and four side inner walls of power supply mounting box are bonded with moist-proof board, the machine
Case is fixed with fitting case, and fitting case is provided at the top of the side outer wall of side cover plate close to the side inner wall of backboard by screw
Third card slot, third card slot inner wall, which is connected through the hinge, maintenance door, and the fitting case is close to the side outer wall bottom of side cover plate
Portion is provided with slot, and slot bottom interior wall is fixed with sliding rail by screw, and the inner wall of sliding rail is by slidably connecting mechanical hardware
Mounting box.
Preferably, the top exterior walls of the cabinet are welded with sealing strip, and side cover at the one side edge of fitting case
The top exterior walls of plate are connected in the bottom interior wall of sealing strip.
Preferably, the bottom interior wall of the convection current box is fixed by screw there are two convection flow fan, and the top of convection current box
Outer wall is provided with air discharge duct, the convection current directions of two convection flow fans on the contrary, the port of two convection flow fans and the inner wall of air discharge duct
It connects.
Preferably, the 4th card slot is provided with, and the 4th card slot inner wall is connected with protecgulum at the outer wall central axes of the front shroud
Plate ventilation web plate, the top exterior walls of front shroud are provided with through-hole, and through-hole wall is connected with power knob, and the outer wall of front shroud is close to electricity
The side of source button is provided with the 5th card slot, and the 5th card slot inner wall is plugged with CD-ROM drive storehouse.
Preferably, the backboard top exterior walls are provided with cooling fan mounting hole, and are provided at the outer wall central axes of backboard scattered
Heat channel, the outer wall of backboard are provided with socket board slot close to the side of radiating groove, and the bottom interior wall of backboard is fixed with power supply by screw
Cooling fan, power supply heat sinking wind turbine and power supply mounting box are located in same level.
Preferably, the side cover plate is welded with partition board close to the side inner wall of cabinet, and the top exterior walls of partition board are provided with
Two slots, the second slot inner wall are plugged with ash-containing plate, convection holes are provided at the top of the outer wall of partition board both sides.
Preferably, groove is provided with, and groove inner wall is connected with water cooling tube, water at the both sides outer wall central axes of the partition board
The both ends outer wall of cold pipe is socketed with same circulation pipe, and semiconductor heat-dissipating piece is plugged at the outer wall central axes of circulation pipe.
Preferably, the side cover plate is welded with center fixed column close to the side inner wall of water cooling tube, and cabinet is close to mainboard
The side inner wall of mounting disc is provided with mounting hole, and side outer wall of the center fixed column far from side cover plate is plugged on mounting hole inner wall,
One end outer wall of the center fixed column far from side cover plate has been connected through a screw thread quick fixing nut.
Preferably, the top inner wall of the ash-containing plate is welded with filter core frame, and the inner wall of filter core frame is connected with filter core, ash disposal
The both sides outer wall of plate is connected with same ash-removing plate, and the bottom interior wall of ash-removing plate is bonded with dust cleaning brush.
Preferably, the input terminal of the convection flow fan, semiconductor heat-dissipating piece and power supply heat sinking wind turbine is connected with switch, and opens
Connection is connected to microprocessor.
Having the beneficial effect that in the present invention：
1st, by being provided with side cover plate, coordinate the partition board in upper side cover, will seal per part important component, and then coordinate
The dust stratification for dedusting of radiating can be carried out convection current and be depressed into the stored ash box of bottom, will not be deposited on cabinet inside, subtract by upper convection flow fan
The deposition for having lacked dust stratification is also reduction of the number for cleaning of unpacking and cleaning difficulty.
It 2nd,, can with the clamping for closing sealing strip and side cover plate by being provided with center fixed column and quick fixing nut
To be conveniently detached, with maintenance door and regular line card is closed, maintenance process can be simplified, convenient for quickly searching problem.
3rd, by being provided with water cooling tube and semiconductor heat-dissipating piece, by air-cooled with water cooling is closed, heat dissipation effect is improved, simultaneously
Filter core is provided at convection holes, the filtering of dust accumulation is carried out while heat loss through convection, ash-containing plate need to be only handled when clearing up dust stratification
On filter core, it is convenient to facilitate.
Description of the drawings
Fig. 1 is the cabinet inside structural representation of a kind of computer proposed by the present invention and information engineering heat dissipation dust-extraction unit
Figure；
Fig. 2 is the structure diagram of a kind of computer proposed by the present invention and the front shroud of information engineering heat dissipation dust-extraction unit；
Fig. 3 is the structure diagram of a kind of computer proposed by the present invention and the backboard of information engineering heat dissipation dust-extraction unit；
Fig. 4 is the structural side view of a kind of computer proposed by the present invention and the side cover plate of information engineering heat dissipation dust-extraction unit；
Fig. 5 is the structure diagram of a kind of computer proposed by the present invention and the ash-containing plate of information engineering heat dissipation dust-extraction unit.
In figure：1 cabinet, 2 front shrouds, 3 mainboard mounting discs, 4 line cards, 5 line card adjustment holes, 6 convection current boxes, 7 convection flow fans, 8
Seal strip, 9 backboards, 10 maintenance doors, 11 mechanical hardware mounting boxs, 12 supporting pads, 13 dust-collecting box, 14 side cover plates, 15 power supplys
Mounting box, 16 moist-proof boards, 17 front shrouds ventilation web plate, 18 CD-ROM drive storehouses, 19 power knobs, 20 cooling fan mounting holes, 21 heat dissipations
Slot, 22 power supply heat sinking wind turbines, 23 quick fixing nuts, 24 ash-containing plates, 25 convection holes, 26 water cooling tubes, 27 center fixed columns, 28 half
Radiating conductor film, 29 partition boards, 30 dust cleaning brushs, 31 filter cores.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-5, a kind of computer and information engineering heat dissipation dust-extraction unit, including cabinet 1, outside the side of cabinet 1
Wall is provided with card slot, and card slot inner wall is fixed with front shroud 2 by screw, and the opposite side outer wall of cabinet 1 is provided with the second card slot, and
Two draw-in groove inner wall is fixed with backboard 9 by screw, and the top exterior walls of cabinet 1 are welded with convection current box 6, and the bottom outer wall of cabinet 1
Four corners are fixed with supporting pad 12 by screw, and the side outer wall bottom of cabinet 1 is connected through the hinge and has side cover plate 14, and machine
The bottom outer wall of case 1 is welded with dust-collecting box frame close to the side of side cover plate 14, and the bottom interior wall of dust-collecting box frame is plugged with stored ash box
13, side inner wall of the cabinet 1 far from side cover plate 14 is fixed with mainboard mounting disc 3 by screw, and cabinet 1 is close to mainboard mounting disc
3 side inner wall is provided with line card adjustment hole 5, and the both sides inner wall of line card adjustment hole 5 is connected with same line card 4, and cabinet 1 is far from side
The side inner wall of cover board 14 is welded with power supply mounting box 15, and four side inner walls of power supply mounting box 15 are bonded with moist-proof board 16,
Cabinet 1 is fixed with fitting case, and fitting case is close to the side outer wall top of side cover plate 14 close to the side inner wall of backboard 9 by screw
Portion is provided with third card slot, and third card slot inner wall, which is connected through the hinge, maintenance door 10, and fitting case is close to the side of side cover plate 14
Outer wall bottom is provided with slot, and slot bottom interior wall is fixed with sliding rail by screw, and the inner wall of sliding rail is organic by being slidably connected
Tool hardware installation box 11.
In the present invention, the top exterior walls of cabinet 1 are welded with sealing strip 8, and side cover at the one side edge of fitting case
The top exterior walls of plate 14 are connected in the bottom interior wall of sealing strip 8, there are two the bottom interior wall of convection current box 6 is fixed by screw
Convection flow fan 7, and the top exterior walls of convection current box 6 are provided with air discharge duct, the convection current direction of two convection flow fans 7 is on the contrary, two convection current
The port of wind turbine 7 connects with the inner wall of air discharge duct, and the 4th card slot, and the 4th card are provided at the outer wall central axes of front shroud 2
Slot inner wall is connected with front shroud ventilation web plate 17, and the top exterior walls of front shroud 2 are provided with through-hole, and through-hole wall is connected with power knob
19, the outer wall of front shroud 2 is provided with the 5th card slot close to the side of power knob 19, and the 5th card slot inner wall is plugged with CD-ROM drive storehouse 18,
9 top exterior walls of backboard are provided with cooling fan mounting hole 20, and radiating groove 21 is provided at the outer wall central axes of backboard 9, outside backboard 9
Wall is provided with socket board slot close to the side of radiating groove 21, and the bottom interior wall of backboard 9 is fixed with power supply heat sinking wind turbine 22 by screw,
Power supply heat sinking wind turbine 22 and power supply mounting box 15 are located in same level, and side cover plate 14 is close to the side inner wall welding of cabinet 1
There is partition board 29, and the top exterior walls of partition board 29 are provided with the second slot, the second slot inner wall is plugged with ash-containing plate 24,29 both sides of partition board
Convection holes 25 are provided at the top of outer wall, groove is provided with, and groove inner wall is connected with water at the both sides outer wall central axes of partition board 29
Cold pipe 26, the both ends outer wall of water cooling tube 26 are socketed with same circulation pipe, semiconductor are plugged at the outer wall central axes of circulation pipe
Cooling fin 28, side cover plate 14 is welded with center fixed column 27 close to the side inner wall of water cooling tube 26, and cabinet 1 is installed close to mainboard
The side inner wall of disk 3 is provided with mounting hole, and side outer wall of the center fixed column 27 far from side cover plate 14 is plugged on mounting hole inner wall,
One end outer wall of the center fixed column 27 far from side cover plate 14 has been connected through a screw thread quick fixing nut 23, the top of ash-containing plate 24
Inner wall is welded with filter core frame, and the inner wall of filter core frame is connected with filter core 31, and the both sides outer wall of ash-containing plate 24 is connected with same clear
Hawk, the bottom interior wall of ash-removing plate are bonded with dust cleaning brush 30, convection flow fan 7, semiconductor heat-dissipating piece 28 and power supply heat sinking wind turbine 22
Input terminal be connected with switch, and switch is connected with microprocessor, the model ARM9TDMI of microprocessor.
Before the present invention is used, the elements such as mainboard, CPU, solid state disk, video card and power supply are sequentially arranged in cabinet 1,
Then power supply heat sinking wind turbine 22 and convection flow fan 7 are connected into the wind turbine on cooling fan mounting hole 20, forms convection current
Cooling fan array is connected on the position for adjusting line card 4, by internal various signal wires and Power cord fastener on line card 4, by side cover plate
14 fitted seal strip, 8 clamping is fixed finally by quick fixing nut 23, and when in use, convection flow fan 7 radiates same
When, flying dust product is avoided in cabinet 1, is filtered and adsorbed by filter core 31, and another part convection current is settled down in dust-collecting box 13, is periodically located
Manage filter core 31 and dust-collecting box 13.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of computer and information engineering heat dissipation dust-extraction unit, including cabinet（1）, which is characterized in that the cabinet（1）'s
Side outer wall is provided with card slot, and card slot inner wall is fixed with front shroud by screw（2）, the cabinet（1）Opposite side outer wall open
There is the second card slot, and the second card slot inner wall is fixed with backboard by screw（9）, the cabinet（1）Top exterior walls be welded with pair
Flow box（6）, and cabinet（1）Bottom outer wall four corners supporting pad is fixed with by screw（12）, the cabinet（1）Side
Outer wall bottom is connected through the hinge and has side cover plate（14）, and cabinet（1）Bottom outer wall close to side cover plate（14）Side welding
There is dust-collecting box frame, the bottom interior wall of dust-collecting box frame is plugged with stored ash box（13）, the cabinet（1）Far from side cover plate（14）Side
Inner wall is fixed with mainboard mounting disc by screw（3）, and cabinet（1）Close to mainboard mounting disc（3）Side inner wall be provided with line card
Adjustment hole（5）, line card adjustment hole（5）Both sides inner wall be connected with same line card（4）, the cabinet（1）Far from side cover plate
（14）Side inner wall be welded with power supply mounting box（15）, and power supply mounting box（15）Four side inner walls be bonded with moist-proof board
（16）, the cabinet（1）Close to backboard（9）Side inner wall fitting case is fixed with by screw, and fitting case is close to side cover plate
（14）Side outer wall at the top of be provided with third card slot, third card slot inner wall is connected through the hinge and has maintenance door（10）, it is described to match
Part case is close to side cover plate（14）Side outer wall bottom be provided with slot, and slot bottom interior wall is fixed with sliding rail by screw, it is sliding
The inner wall of rail is by slidably connecting mechanical hardware mounting box（11）.
2. a kind of computer according to claim 1 and information engineering heat dissipation dust-extraction unit, which is characterized in that the machine
Case（1）Top exterior walls sealing strip is welded at the one side edge of fitting case（8）, and side cover plate（14）Top exterior walls
It is connected in sealing strip（8）Bottom interior wall on.
3. a kind of computer according to claim 1 and information engineering heat dissipation dust-extraction unit, which is characterized in that described right
Flow box（6）Bottom interior wall fixed by screw there are two convection flow fan（7）, and convection current box（6）Top exterior walls be provided with exhaust
Slot, two convection flow fans（7）Convection current direction on the contrary, two convection flow fans（7）Port connect with the inner wall of air discharge duct.
4. a kind of computer according to claim 1 and information engineering heat dissipation dust-extraction unit, which is characterized in that before described
Cover board（2）Outer wall central axes at be provided with the 4th card slot, and the 4th card slot inner wall is connected with front shroud ventilation web plate（17）, protecgulum
Plate（2）Top exterior walls be provided with through-hole, through-hole wall is connected with power knob（19）, front shroud（2）Outer wall pressed close to power supply
Button（19）Side be provided with the 5th card slot, the 5th card slot inner wall is plugged with CD-ROM drive storehouse（18）.
5. a kind of computer according to claim 1 and information engineering heat dissipation dust-extraction unit, which is characterized in that the back of the body
Plate（9）Top exterior walls are provided with cooling fan mounting hole（20）, and backboard（9）Outer wall central axes at be provided with radiating groove（21）, the back of the body
Plate（9）Outer wall close to radiating groove（21）Side be provided with socket board slot, backboard（9）Bottom interior wall electricity is fixed with by screw
Source heat-dissipating wind turbine（22）, power supply heat sinking wind turbine（22）With power supply mounting box（15）In same level.
6. a kind of computer according to claim 1 and information engineering heat dissipation dust-extraction unit, which is characterized in that the side
Cover board（14）Close to cabinet（1）Side inner wall be welded with partition board（29）, and partition board（29）Top exterior walls be provided with the second slot,
Second slot inner wall is plugged with ash-containing plate（24）, partition board（29）Convection holes are provided at the top of the outer wall of both sides（25）.
7. a kind of computer according to claim 6 and information engineering heat dissipation dust-extraction unit, which is characterized in that it is described every
Plate（29）Both sides outer wall central axes at be provided with groove, and groove inner wall is connected with water cooling tube（26）, water cooling tube（26）Two
End outer wall is socketed with same circulation pipe, and semiconductor heat-dissipating piece is plugged at the outer wall central axes of circulation pipe（28）.
8. a kind of computer according to claim 1 and information engineering heat dissipation dust-extraction unit, which is characterized in that the side
Cover board（14）Close to water cooling tube（26）Side inner wall be welded with center fixed column（27）, and cabinet（1）Close to mainboard mounting disc
（3）Side inner wall be provided with mounting hole, center fixed column（27）Far from side cover plate（14）Side outer wall be plugged in mounting hole
On wall, center fixed column（27）Far from side cover plate（14）One end outer wall be connected through a screw thread quick fixing nut（23）.
9. a kind of computer according to claim 6 and information engineering heat dissipation dust-extraction unit, which is characterized in that described to remove
Hawk（24）Top inner wall be welded with filter core frame, and the inner wall of filter core frame is connected with filter core（31）, ash-containing plate（24）Both sides
Outer wall is connected with same ash-removing plate, and the bottom interior wall of ash-removing plate is bonded with dust cleaning brush（30）.
10. a kind of computer according to claim 3 and information engineering heat dissipation dust-extraction unit, which is characterized in that described
Convection flow fan（7）, semiconductor heat-dissipating piece（28）With power supply heat sinking wind turbine（22）Input terminal be connected with switch, and switch is connected with
Microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159288.5A CN108153393A (en) | 2018-02-26 | 2018-02-26 | A kind of computer and information engineering heat dissipation dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159288.5A CN108153393A (en) | 2018-02-26 | 2018-02-26 | A kind of computer and information engineering heat dissipation dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108153393A true CN108153393A (en) | 2018-06-12 |
Family
ID=62455926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810159288.5A Withdrawn CN108153393A (en) | 2018-02-26 | 2018-02-26 | A kind of computer and information engineering heat dissipation dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108153393A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548346A (en) * | 2019-09-30 | 2019-12-10 | 漯河医学高等专科学校 | Case automatically cleaning dust keeper |
| CN111338164A (en) * | 2020-03-18 | 2020-06-26 | 安徽国耀通信科技有限公司 | Can hide projection arrangement from taking heat dissipation mechanism in wall body installation |
| CN111488047A (en) * | 2020-04-28 | 2020-08-04 | 外芯科技(上海)有限公司 | Computer display card heat radiation structure |
-
2018
- 2018-02-26 CN CN201810159288.5A patent/CN108153393A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548346A (en) * | 2019-09-30 | 2019-12-10 | 漯河医学高等专科学校 | Case automatically cleaning dust keeper |
| CN111338164A (en) * | 2020-03-18 | 2020-06-26 | 安徽国耀通信科技有限公司 | Can hide projection arrangement from taking heat dissipation mechanism in wall body installation |
| CN111338164B (en) * | 2020-03-18 | 2021-11-23 | 安徽国耀通信科技有限公司 | Can hide projection arrangement from taking heat dissipation mechanism in wall body installation |
| CN111488047A (en) * | 2020-04-28 | 2020-08-04 | 外芯科技(上海)有限公司 | Computer display card heat radiation structure |
| CN111488047B (en) * | 2020-04-28 | 2022-03-25 | 外芯科技(上海)有限公司 | Computer display card heat radiation structure |
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Application publication date: 20180612 |