CN108021217A - Radiating structure of computer - Google Patents
Radiating structure of computer Download PDFInfo
- Publication number
- CN108021217A CN108021217A CN201711316445.0A CN201711316445A CN108021217A CN 108021217 A CN108021217 A CN 108021217A CN 201711316445 A CN201711316445 A CN 201711316445A CN 108021217 A CN108021217 A CN 108021217A
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- plate
- gear
- clutch
- belt
- support plate
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- 238000004140 cleaning Methods 0.000 claims abstract description 49
- 230000033001 locomotion Effects 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 244000309464 bull Species 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 2
- 239000000428 dust Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000737 periodic effect Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 238000013517 stratification Methods 0.000 abstract 1
- 210000000887 face Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 210000000515 tooth Anatomy 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- 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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- B08B1/12—
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- B08B1/30—
Abstract
Radiating structure of computer, efficiently solving existing CPU radiator structures does not have automatic cleaning apparatus, causes CPU heat dissipation effects bad, easily so that the problem of CPU is damaged.Thermal column between two heat sinks of the present invention could alternatively be vertical spaced multiple radiating fins, setting is vertically spaced on cleaning plate can pass through the heat dissipation straight slot of radiating fin, upper and lower side sets hairbrush respectively in heat dissipation straight slot, when plate movement is cleared up, hairbrush can brush away the dust on radiating fin.The present invention is the achievable periodic cleaning to thermal column using a rotary electric machine and some mechanical mechanisms.The present invention automatically regularly clears up thermal column, it is not necessary to dismantles radiator, cleaning is convenient, avoids and radiates the problem of bad because of long-term dust stratification on radiator, realizes periodic cleaning using mechanical structure, securely and reliably.
Description
Technical field
The present invention relates to computer, especially a kind of radiating structure of computer.
Background technology
The cpu chip of computer can give off heat in use., just must be in time in order to ensure that CPU is worked normally
The heat produced distributes.Otherwise, under conditions of heat dispersal situations are insufficient, CPU is allowed to continue under conditions of high temperature
Work, will finally cause whole short circuit inside CPU, so as to cause the damage of CPU.
Existing CPU radiators are fixed on circuit boards using a base, then touch radiator bottom surface
CPU upper sides, coat heat-conducting silicone grease between radiator bottom surface and CPU upper sides, and the heat of CPU passes through heat-conducting silicone grease and heat dissipation
Device bottom surface is delivered on the radiating fin of radiator, then again takes away the heat on radiating fin by radiator fan, so that
Reach the heat dissipation effect to CPU.But the radiating fin of present CPU radiators can be accumulated largely after prolonged
Dust, has seriously affected the heat dissipation of CPU, it is desirable to which clearing up radiating fin needs to open main frame, then unloads CPU heat dissipations
Device, and radiating fin is spaced multiple up and down in itself, it is also cumbersome that cleaning, which is got up, this results in computer
User does not go to clear up computer heat radiating device so that CPU radiator heat-sinking capabilities substantially reduce, and CPU radiates not
With great difficulty CPU is caused to damage.
The content of the invention
For the above situation, to overcome the defect of the prior art, the present invention provides a kind of radiating structure of computer, effectively solution
Existing CPU radiator structures of having determined do not have automatic cleaning apparatus, cause CPU heat dissipation effects bad, easily so that CPU damages are asked
Topic.
Technical solution is to include the radiating block of lower end in contact CPU upper sides, and the radiating block is equipped with mounting hole, it is special
Sign is that the radiating block upper end is equipped with two and is arranged at intervals the heat sink being parallel to each other, and is evenly equipped between two heat sinks multiple
Thermal column, is connected with radiator fan between two heat sink transverse direction sides, support plate, support plate is connected between two heat sink upper ends
Upper end is rotatably connected to two belt pulleys（a、b）, set is connected with belt between two belt pulleys, is equipped with above the support plate along two
The sports platform set is slided in pulley centers connecting line direction, and the sports platform is equipped with annular through groove, the annular through groove
Periphery it is identical with the periphery diameter of belt pulley and when annular through groove is moved to directly over belt pulley annular through groove and belt
Wheel is concentric, and the drive pin being placed in annular through groove is fixed with the belt, cleaning plate is equipped between two heat sinks, is dissipated
Plume slides through cleaning plate, and the cleaning plate is connected on sports platform through connecting rod, and the first tooth is equipped with above the support plate
Wheel, the first gear are engaged with second gear, and the second gear is coaxially connected with the 3rd gear, and the 3rd gear is coaxial
Rotary electric machine is connected with, the 3rd gear is engaged with the 4th gear with first gear coaxial placement, the first gear face
The first clutch-plate is coaxially connected with through cylinder, the 4th face of gear is towards on the end face of first gear on towards the end face of the 4th gear
The second clutch-plate is coaxially connected with, further includes the drive shaft through cylinder and first gear, the company of sliding axially in the drive shaft
Be connected to mobile dish, the axial both sides of the mobile dish be respectively fixed with the 3rd of the first clutch-plate and the cooperation of the second clutch-plate from
Piece is closed, the drive shaft connects belt pulley a through transmission device, and the mobile dish, which are connected with, pulls it toward the first of the second clutch-plate
Tension spring, the sports platform are equipped with resilient push, and when sports platform moves to belt pulley a, resilient push can promote mobile dish gram
Taking the first tension spring tension causes the 3rd clutch-plate to contact the first clutch-plate, and belt pulley b sides are equipped with baffle, and the baffle is connected with
Sleeve, the sleeve middle part are rotatably connected on heat sink, and the sleeve slidably connects motion bar in one end of baffle,
The motion bar free end is rotatably connected to actuating rod, touches baffle when sports platform is moved at belt pulley b so that acting on
Bar axially moves along two pulley centerline directions pushes the 3rd clutch-plate the first clutch-plate of contact.
The present invention includes the radiating block of lower end in contact CPU upper sides, and the radiating block is equipped with mounting hole, its feature exists
In the radiating block upper end is equipped with two and is arranged at intervals the heat sink being parallel to each other, and multiple heat dissipations are evenly equipped between two heat sinks
Column, is connected with radiator fan between two heat sink transverse direction sides, support plate, support plate upper end is connected between two heat sink upper ends
It is rotatably connected to two belt pulleys（a、b）, set is connected with belt between two belt pulleys, is equipped with above the support plate along two belts
Take turns central junction line direction and slide the sports platform set, the sports platform is equipped with annular through groove, the annular through groove it is cylindrical
Face is identical with the periphery diameter of belt pulley and annular through groove and belt pulley are same when annular through groove is moved to directly over belt pulley
The heart, the drive pin being placed in annular through groove is fixed with the belt, cleaning plate, thermal column are equipped between two heat sinks
Cleaning plate is slid through, the cleaning plate is connected on sports platform through connecting rod, and first gear, institute are equipped with above the support plate
State first gear and be engaged with second gear, the second gear is coaxially connected with the 3rd gear, and the 3rd gear is coaxially connected
There is rotary electric machine, the 3rd gear is engaged with the 4th gear with first gear coaxial placement, and the first gear faces
The first clutch-plate is coaxially connected with through cylinder, the 4th face of gear is towards coaxial on the end face of first gear on the end face of four gears
The second clutch-plate is connected with, the drive shaft through cylinder and first gear is further included, has been in axial sliding connection in the drive shaft
Mobile dish, the axial both sides of the mobile dish are respectively fixed with the 3rd clutch with the first clutch-plate and the cooperation of the second clutch-plate
Piece, the drive shaft connect belt pulley a through transmission device, and turning set is equipped with mounting shell in the mobile dish, under the mounting shell
End is connected with the mounting bracket across support plate, and the mounting bracket is slidably connected at support plate along two pulley centerline directions
On, pilum is installed, the pilum upper end rotates and is equipped with bull stick, the bull stick both ends in the support plate on the inside of the mounting bracket
The first swing arm and the second swing arm are connected to, pendulum spring is connected between swing arm free end and the mounting bracket of swing arm upper end, it is described
The first driving lever coordinated with the first swing arm is connected with sports platform, belt pulley b sides are equipped with baffle, and the baffle is connected with set
Cylinder, the sleeve middle part are rotatably connected on heat sink, and the sleeve slidably connects motion bar, institute in one end of baffle
State motion bar free end and be rotatably connected to actuating rod, the second driving lever coordinated with the second swing arm, pendulum are connected with the actuating rod
Arm, which faces, is connected with curved rod of the opening towards swing arm on the side wall of driving lever, the actuating rod lower slide, which is connected with, is fixed on branch
Slide plate on fagging, the slide plate are connected with compression spring backwards to the side of belt pulley a, and the other end of compression spring is connected on actuating rod.
Thermal column between two heat sinks of the present invention could alternatively be vertical spaced multiple radiating fins,
Setting is vertically spaced on cleaning plate can be by the heat dissipation straight slot of radiating fin, the upper and lower side difference in heat dissipation straight slot
Hairbrush is set, and when plate movement is cleared up, hairbrush can brush away the dust on radiating fin.
The present invention is the achievable periodic cleaning to thermal column using a rotary electric machine and some mechanical mechanisms.This hair
It is bright that regularly thermal column is cleared up automatically, it is not necessary to dismantle radiator, cleaning is convenient, avoids because being accumulated for a long time on radiator
Ash and the problem of bad of radiating, realize periodic cleaning using mechanical structure, securely and reliably.
Brief description of the drawings
Fig. 1 is first embodiment of the invention front view.
Fig. 2 is one stereogram of first embodiment of the invention visual angle.
Fig. 3 is two stereogram of first embodiment of the invention visual angle.
Fig. 4 is three stereogram of first embodiment of the invention visual angle.
Fig. 5 is four stereogram of first embodiment of the invention visual angle.
Fig. 6 is second embodiment of the invention stereogram, wherein reference numeral is not marked, according to its mark in the description
It number may be referred to the reference numeral in Fig. 1-5.
Fig. 7 is actuating rod in second embodiment of the invention to the connection structure diagram between swing arm.
Fig. 8 is the connection structure diagram between pilum, swing arm, curved rod and mounting bracket in second embodiment of the invention.
Fig. 9 is the clutch-plate stereogram in second embodiment of the invention.
Connection diagrams of the Figure 10 between mobile dish of the present invention and mounting shell.
Figure 11 is the connection diagram between present invention cleaning plate and thermal column.
Connection diagrams of the Figure 12 between mobile dish of the present invention and drive shaft.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing 1-12.
Provided by Fig. 1 to Fig. 5 and Figure 10-Figure 12, the technical scheme is that, first embodiment, including lower end
The radiating block 1 of CPU upper sides is contacted, the radiating block 1 is equipped with mounting hole 2, it is characterised in that 1 upper end of radiating block is set
There are two to be arranged at intervals the heat sink 3 being parallel to each other, multiple thermal columns 4 are evenly equipped between two heat sinks 3, two heat sink 3 is laterally
Radiator fan 5 is connected between side, support plate 6 is connected between two heat sinks, 3 upper end, 6 upper end of support plate is rotatably connected to
Two belt pulleys（a、b）, set is connected with belt 8 between two belt pulleys 7, and the top of support plate 6 is equipped with along two belt pulleys, 7 center
The sports platform 9 set is slided in connecting line direction, and the sports platform 9 is equipped with annular through groove 10, the annular through groove 10 it is cylindrical
Face it is identical with the periphery diameter of belt pulley 7 and when annular through groove 10 moves to 7 surface of belt pulley annular through groove 10 and skin
Belt wheel 7 is concentric, and the drive pin 11 being placed in annular through groove 10 is fixed with the belt 8, is equipped between two heat sinks 3
Plate 12 is cleared up, thermal column 4 slides through cleaning plate 12, and the cleaning plate 12 is connected on sports platform 9 through connecting rod 13, the branch
The top of fagging 6 is equipped with first gear 14, and the first gear 14 is engaged with second gear 15, and the second gear 15 is coaxially connected
There is the 3rd gear 16, the 3rd gear 16 is coaxially connected with rotary electric machine 17, and the 3rd gear 16 is engaged with and the first tooth
The 4th gear 18 of 14 coaxial placements is taken turns, the first gear 14 faces coaxially connected through cylinder 19 on the end face of the 4th gear 18
There is the first clutch-plate 20, the 4th gear 18, which faces, is coaxially connected with the second clutch-plate 21 on the end face of first gear 14, also
Including the drive shaft 22 through cylinder 19 and first gear 14, mobile dish 23, institute have been in axial sliding connection in the drive shaft 22
The axial both sides for stating mobile dish 23 are respectively fixed with the 3rd clutch-plate 24 coordinated with the first clutch-plate 20 and the second clutch-plate 21,
The drive shaft 22 connects belt pulley a through transmission device, and the mobile dish 23, which are connected with, pulls it toward the of the second clutch-plate 21
One tension spring 25, the sports platform 9 are equipped with resilient push 26, and when sports platform 9 moves to belt pulley a, resilient push 26 can push away
Dynamic mobile dish 23 overcome 25 pulling force of the first tension spring to cause the 3rd clutch-plate 24 to contact the first clutch-plate 20, and belt pulley b sides are equipped with
Baffle 27, the baffle 27 are connected with sleeve 28, and the middle part of sleeve 28 is rotatably connected on heat sink 3, and the sleeve 28 is carried on the back
Motion bar 29 is slidably connected into one end of baffle 27,29 free end of motion bar is rotatably connected to actuating rod 30, works as fortune
Dynamic platform 9 touches baffle 27 so that actuating rod 30 does axial fortune along two pulley centerline directions when moving at belt pulley b
Dynamic the 3rd clutch-plate 24 that pushes contacts the first clutch-plate 20.
The first gear 14 is more than second gear 15, and the 3rd gear 16 is more than the 4th gear 18.Certain 3rd tooth
Wheel 16 might be less that the 4th gear 18.Simply the gearratio of second gear 15 and first gear 14 is less than 16 He of the 3rd gear
The gearratio of 4th gear 18 so that sports platform is in linear motion more than sports platform in the both ends static time.Due to second
15 and the 3rd gear 16 of gear is coaxially connected on rotary electric machine 17, therefore both rotating speed is the same, and first gear 14
More than second gear 15, therefore the rotating speed of first gear 14 reduces, and the 4th gear 18 is less than the 3rd gear 16, therefore the 4th gear
18 rotating speed rise, as shown in Figure 2, when sports platform 9 is moved at belt pulley a, due to the effect of inertia of sports platform 9, can make
Resilient push 26 on sports platform 9 pushes mobile dish 23 and moves a distance, and the 3rd clutch-plate 24 and the first clutch-plate 20
The distance between be less than the distance that sports platform 9 drives mobile dish 23 to move because of inertia, and the 3rd clutch-plate 24 and the first clutch-plate
The distance between 20 are set so that two clutches when the 3rd clutch-plate 24 is engaged on the first clutch-plate 20 because 9 inertia of sports platform promotes
Frictional force between piece is enough to drive belt pulley to be rotated further（The distance between first clutch-plate 20 and the 3rd clutch-plate 24 can be with
The far smaller than distance of the inertia wheeled of sports platform 9.The distance of inertia wheeled at this time refers to without the first clutch-plate 20
The distance travelled when stopping）, mobile dish 23 drive the 3rd clutch-plate 24 to be engaged on the first clutch-plate 20, rotary electric machine at this time
17 power passes to mobile dish 23 by second gear 15, first gear 14, and mobile dish 23 pass power by drive shaft 22
Belt pulley a is passed, belt pulley a drives belt 8 to rotate, and belt 8 moves along a straight line by 11 powered motion platform 9 of drive pin, works as fortune
When resilient push 26 on dynamic platform 9 promotes mobile dish 23, mobile dish 23 are so that the 3rd clutch-plate 24 and the first clutch-plate 20 combine
Power increases, and the annular through groove 10 on sports platform 9 is in directly over belt pulley 7a at this time, and drive pin 11 is in annular through groove 10 at this time
Moved along annular through groove 10, drive pin 11 can be cylinder, its and slip tangent with the inside and outside disc of annular through groove 10 is matched somebody with somebody
Close, at this time due to being that the rotating speed of first gear 14 reduces, in this stage drive pin 11 slowly in annular through groove 10
Movement, the movement in annular through groove 10 due to drive pin 11, sports platform 9 at this time is static, and cleaning plate 12 at this time is in skin
Static at heat sink 3 below belt wheel 7a, thermal column 4 radiates to CPU at this time, and the wind that radiator fan 5 produces is by thermal column 4
On heat take away, after certain dust is accumulated on thermal column 4, drive pin 11 along annular through groove 10 rotate semicircle,
At this time drive pin 11 with sports platform 9 towards belt pulley 7b direction move, when the resilient push 26 on sports platform 9 away from
During the direction movement of first gear 14, mobile dish 23 move under the pulling force of the first tension spring 25 towards the second clutch-plate 21 at this time
（Second clutch-plate 21 has two, is separately fixed at mobile dish and faces on the end face of the first clutch-plate and the second clutch-plate）So that
3rd clutch-plate 24 and the second clutch-plate 21 engage, and rotary electric machine 17 passes power through the 3rd gear 16 and the 4th gear 18 at this time
Pass mobile dish 23, mobile dish 23 drive belt 8 to move, and since the 4th gear 18 improves rotating speed, sports platform 9 can at this time
Quickly（Relative to speed of the drive pin 11 in annular through groove 10）Move along a straight line, sports platform 9 with cleaning plate 12 to dissipate
Dust on plume 4 is cleared up, and when sports platform 9 is moved at belt pulley b, sports platform 9 touches baffle 27, baffle at this time
27 band moving sleeves 28 and motion bar 29 rotate, and 29 induced effect bar 30 of motion bar moves along a straight line, and the end of actuating rod 30 is equipped with
Elastic component（Spring, the coefficient of elasticity of this spring are more than the first tension spring）, elastic component contradicted in mobile dish 23 so that the 3rd clutch
Piece 24 departs from the second clutch-plate 21, and sports platform 9 can continue to travel a distance so that the 3rd due to the effect of inertia at this time
Clutch-plate 24 is engaged on the first clutch-plate 20, and the first clutch-plate 20 and the 3rd clutch-plate 24 engage at this time, and drive pin 11 is again
Do along annular through groove 10 and slowly move, sports platform 9 at this time is static, when drive pin 11 along annular through groove 10 move half cycle with
Afterwards, drive pin 11 leaves belt pulley b with sports platform 9, and sports platform 9 departs from baffle at this time, then mobile dish 23 are in the first tension spring 25
Under the action of return, the 3rd clutch-plate 24 departs from the first clutch-plate 20 and is engaged on the second clutch-plate 21, and 27 return of baffle.Institute
It is frictional disk to state clutch-plate.When cylinder 19 is placed between the first clutch-plate 20 and first gear 14, drive shaft 22 sequentially passes through
First clutch-plate 20, cylinder 19 and first gear 14, when the first clutch-plate 20 is fixed on 19 end of cylinder, and cylinder 19 is another
When end is through first gear 14, drive shaft 22 sequentially passes through the first clutch-plate 20 and cylinder 19.And drive shaft 22 and cylinder 19, the
One clutch-plate 20 and first gear 14 do not contact.
The cleaning plate 12 is equipped with multiple cleaning eyes, the thermal column 4 are spaced through clear correspondingly with thermal column 4
Hole is managed, rubber ring 32, the periphery of the inner headed face contact thermal column 4 of the rubber ring 32 are fixed with the cleaning eye.Make
With when, when clear up plate 12 move when, drive rubber ring 32 moved on thermal column 4, since the inner headed face of rubber ring 32 connects
The periphery of thermal column 4 is touched, therefore the dust on 4 surface of thermal column can be cleared up during rubber ring 32 moves.
Radiator fan is fixed between two heat sink horizontal direction ends（Perpendicular to the horizontal direction of thermal column）.Support plate is interval
The three blocks of plates set, have interval, connecting rod 13 passes through intermediate support plate and two between middle support plate and the support plate of both sides
Interval between the support plate of end is connected between sports platform and cleaning plate.
Turning set is equipped with mounting shell 33 in the mobile dish 23, and 33 lower end of mounting shell is connected with across support plate 6
Mounting bracket 34, the mounting bracket 34 are slidably connected in support plate 6 along two pulley centerline directions, first tension spring 25
It is connected between support plate 6 and mounting bracket 34, the resilient push 26 includes the push plate 35 being fixed on sports platform 9, described to push away
Plate 35, which faces, is connected with push the spring 36 on the side of mounting bracket 34.Specifically include being connected to mobile dish in the mounting bracket 34
Horizontal positioned first bar vertical with thermal column 4 of 23 lower ends, the both ends downside of first bar are fixed with vertical second
Bar, the direction of the second bar along two pulley centerlines are slidably connected in support plate 6, and first tension spring 25 is fixed on
Second bar faces the side of the 4th gear 18 in two pulley centerlines, and the opposite side of first tension spring 25 is connected with fixation
Connecting plate in support plate 6.When the push the spring 36 on sports platform 9 is moved at mounting bracket 34, push the spring 36 contacts
Mounting bracket 34, the coefficient of elasticity of push the spring 36 is more than the coefficient of elasticity of the first tension spring 25, in the effect that push the spring 36 promotes
Under, the second bar overcomes the pulling force of the first tension spring 25 to be moved towards backwards to the direction of the first tension spring 25.Cause equipped with push the spring 36
Since the second bar cannot continue to move to after the 3rd clutch-plate 27 and the first clutch-plate 20 contact, and sports platform 9 may at this time
Continue to move to, then push the spring 36 has certain flexible surplus.The center of mobile dish 23 is equipped with through hole, is equipped with this through hole
Axial penetrating sliding slot, drive shaft 22 are in axial sliding connection in through hole, and drive shaft 22 is equipped with the cunning extending into sliding slot
Movable plate, sliding panel and sliding slot axial sliding fit.
One end for facing mobile dish 23 of the actuating rod 30 is fixed with the first spring 37.First spring 37 is elastic component.
The coefficient of elasticity of first spring 37 is more than the first tension spring 25.The effect of first spring 37 is identical with thrust spring 36.The effect
30 lower slide of bar is connected with the slide plate 53 being fixed in support plate 6.
The drive shaft 22 is coaxially connected with the first worm gear 38, and first worm gear 38 is engaged with the first vertical worm screw
39, first worm screw 39 is coaxially connected with the 5th gear 40, and the 5th gear 40 is engaged with the 6th gear 41, and the described 6th
Gear 41 is coaxially connected with the first sprocket wheel 42, and the belt pulley a lower ends are coaxially connected with the second sprocket wheel 43, the first sprocket wheel 42 and
Connected between two sprocket wheels 43 through chain 44, form transmission device.When in use, drive shaft through the first worm gear, the first worm screw,
5th gear, the 6th gear, sprocket wheel and chain-driving belt pulley a are rotated.Transmission between first sprocket wheel, the second sprocket wheel and chain
Structure can also replace with two belt pulleys and belt.
The radiating block 1 small big rectangular cone under being in, connecting plate 45 is extended with 1 upper end of radiating block laterally, peace
Dress hole 2 is arranged on connecting plate 45.
Second embodiment, as shown in figs 6-12, does not have the reference numeral of sign in wherein Fig. 6-12, can be according to herein
In label carry out reference numeral in reference chart 1-5, since many structures are similar in Fig. 1-Fig. 6, reference numeral is in figure
Mark is no longer repeated several times.The present invention includes the radiating block 1 of lower end in contact CPU upper sides, and the radiating block 1 is equipped with mounting hole
2, it is characterised in that 1 upper end of radiating block is equipped with two and is arranged at intervals the heat sink 3 that is parallel to each other, between two heat sinks 3
Multiple thermal columns 4 are furnished with, two heat sink 3 is connected with radiator fan 5 between horizontal side, and two heat sinks is connected between 3 upper end
Support plate 6,6 upper end of support plate are rotatably connected to two belt pulleys（a、b）, set is connected with belt 8, the branch between two belt pulleys 7
The top of fagging 6 is equipped with the sports platform 9 for sliding and setting along two belt pulleys, 7 central junction line direction, and the sports platform 9 is equipped with ring
Shape straight slot 10, the periphery of the annular through groove 10 are identical with the periphery diameter of belt pulley 7 and when annular through groove 10 moves to
Annular through groove 10 and belt pulley 7 are concentric during 7 surface of belt pulley, and the drive being placed in annular through groove 10 is fixed with the belt 8
Pin 11 is moved, cleaning plate 12 is equipped between two heat sinks 3, thermal column 4 slides through cleaning plate 12, and the cleaning plate 12 passes through
Connecting rod 13 is connected on sports platform 9, and the top of the support plate 6 is equipped with first gear 14, and the first gear 14 is engaged with the
Two gears 15, the second gear 15 are coaxially connected with the 3rd gear 16, and the 3rd gear 16 is coaxially connected with rotary electric machine
17, the 3rd gear 16 is engaged with the 4th gear 18 with 14 coaxial placement of first gear, and the first gear 14 faces
The first clutch-plate 20 is coaxially connected with through cylinder 19 on the end face of four gears 18, the 4th gear 18 faces first gear 14
The second clutch-plate 21 is coaxially connected with end face, further includes the drive shaft 22 through cylinder 19 and first gear 14, the driving
Be in axial sliding connection mobile dish 23 on axis 22, the axial both sides of the mobile dish 23 be respectively fixed with the first clutch-plate 20 and
The 3rd clutch-plate 24 that second clutch-plate 21 coordinates, the drive shaft 22 connect belt pulley a, the mobile dish 23 through transmission device
Upper turning set is equipped with mounting shell 33, and 33 lower end of mounting shell is connected with the mounting bracket 34 across support plate 6, the mounting bracket 34
It is slidably connected in support plate 6 along two belt pulleys, 7 centerline direction, is provided with the support plate 6 of the inner side of mounting bracket 34
Pilum 46,46 upper end of pilum, which rotates, is equipped with bull stick 47, and 47 both ends of bull stick are connected to the first swing arm 48 and the
Pendulum spring 49 is connected between the mounting bracket 34 of two swing arms 57, swing arm free end and swing arm upper end, be connected with the sports platform 9 with
The first driving lever 50 that first swing arm 48 coordinates, belt pulley b sides are equipped with baffle 27, and the baffle 27 is connected with sleeve 28, described
The middle part of sleeve 28 is rotatably connected on heat sink 3, and the sleeve 28 slidably connects motion bar 29 in one end of baffle 27,
29 free end of motion bar is rotatably connected to actuating rod 30, and the coordinated with the second swing arm 57 is connected with the actuating rod 30
Two driving levers 51, swing arm, which faces, is connected with curved rod 52 of the opening towards swing arm on the side wall of driving lever, 30 lower end of actuating rod is slided
Dynamic to be connected with the slide plate 53 being fixed in support plate 6, the slide plate 53 is connected with compression spring 54, compression spring backwards to the side of belt pulley a
54 other end is connected on actuating rod 30.The pilum 46 of the present invention can be integrally fixed at each one of the radially opposite sides of support plate 6,
The bull stick 47 that both ends pass through pilum is fixed on pilum 46, bull stick 47 is rotatably connected on pilum 46, at two ends of bull stick 47
Portion is connected to the swing arm extended downwardly, and pendulum spring 49, pendulum spring are connected between swing arm free end and mounting bracket 34 above it
49 be a tension spring, and the center line of the vertical line and bull stick 47 of crossing the upper end fixed center of pendulum spring 49 intersects, and sports platform 9 is in two skins
When between belt wheel 7,9 direction of sports platform that swing arm at this time is towards at this time is inclined, and pendulum spring 49 at this time is also towards moving
Platform 9 tilts obliquely, hauls mounting bracket 34 and is moved towards the direction of the second clutch-plate 21 so that the 3rd clutch-plate 24 is engaged on the
On two clutch-plates 21, clutch-plate at this time can be friction plate or shape as shown in Figure 9, this clutch-plate it include one
Disk 55, on the side of disk 55 circle spacing be evenly distributed with multiple engaging tooths 56, when in use, two clutch-plates it is multiple
Engaging tooth 56 is mutually mediated so that two clutch-plates are kneaded together to be driven.When sports platform 9 is transported towards the direction of pilum 46
When dynamic, when namely being moved in figure 6 towards belt pulley a, the first driving lever 50 that sports platform 9 connects touches the first pendulum of inner side
Arm 48, drives the first swing arm 48 to be rotated around bull stick 47, and during the first swing arm 48 is swung, curved rod 52 is also to the bottom
Dynamic, when vertical position was put in swing arm, the pulling force commutation of pendulum spring 49, hauls mounting bracket 34 towards the side of the first clutch-plate 20 at this time
To movement so that mobile dish 23 drive the 3rd clutch-plate 24 to be engaged on the first clutch-plate 20, when sports platform 9 leaves, at this time
Curved rod 52 keeps off the first driving lever 50, and the first driving lever 50 drives bull stick 47 to rotate through curved rod 52, when bull stick 47 drives the first pendulum
When arm 48 crosses vertical position, pendulum spring 49 at this time commutates so that pendulum spring 49 drives the 3rd clutch-plate 24 to be engaged on the second clutch
On piece 21, sports platform 9 continues to move to so that and the first driving lever 50 departs from from the opening between the first swing arm 48 and curved rod 52,
Sports platform 9 is continued to move to towards belt pulley b.When sports platform 9 touches baffle 27 so that actuating rod 30, which is axially moved, drives the
Two driving levers 51 touch the second swing arm 57, and vertical position is crossed in the second swing arm 57 so that pendulum spring 49 commutates so that the 3rd clutch-plate
24 are engaged on the first clutch-plate 21, and when sports platform 9 is moved towards belt pulley a, sports platform 9 departs from baffle 27 at this time, is pressing
Actuating rod 30 is moved away from the direction of belt pulley a under the action of spring 54, and the second driving lever 51 drives the through curved rod 52 at this time
Vertical position is crossed in two swing arms 57, and pendulum spring 49 commutates so that the 3rd clutch-plate 24 is engaged on the second clutch-plate 21.
The rotary electric machine 17 of the present invention is fixed in support plate 6 through connecting rod, the first gear 14, second in the present invention
The axis body or cylinder that gear 15, the 3rd gear 16, the 4th gear 18, the 5th gear 40, the centre of the 6th gear 41 are worn pass through
The connector of rotation connection is connected in support plate 6, and connecting rod of the worm screw 39 through rotation connection is connected in support plate 6.
The support plate 6 is made of center section 601 and two side portions spaced apart with center section 602, pars intermedia
It is divided to the arranged for interval on the direction of two belt pulleys, 7 center line there are two shields extended along two belt pulleys, 7 centerline direction
Plate 58, two belt pulleys 7 are placed between two backplates 58, and sports platform 9 is slidably connected on two backplates 58.
Then annular through groove 10 places a disk to make a call to a through hole on sports platform 9 with one heart in through hole, disk with
Multiple vertical bars are relatively fixed on sports platform respectively, between disk and sports platform between corresponding vertical bar top in connection
Connecting rod, just constitutes annular through groove so between disk and sports platform, and the drive pin in annular through groove can be normal
Moved one week around annular through groove.
The present invention between radiating block 1 and CPU close to CPU placements by radiating block 1 in use, first can smear thermal conductive silicon
Glue, it is then through mounting hole 2 that the present invention is fixed on circuit boards with screw.Radiator fan 5 and rotary electric machine 17 are connected to
Can be the USB power connector on host on power supply, when computer is powered, radiator fan 5 and rotary electric machine 17 work, and turn
Dynamic motor 17 is imparted power to by two sets transmission systems clears up plate 12, and the first via is second gear 15, first gear 14, the
One clutch-plate 20, the 3rd clutch-plate 24, mobile dish 23, drive shaft 22,39 worm gear 40 of worm screw, the 5th gear 40, the 6th gear 41,
Sprocket wheel chain, belt pulley 7 and belt 8 finally drive cleaning plate 12 to move through 11 powered motion platform 9 of drive pin, and the second tunnel is the 3rd
Gear 16, the 4th gear 18, the second clutch-plate 21, the 3rd clutch-plate 24, mobile dish 23, drive shaft 22,39 worm gear 40 of worm screw,
Five gears 40, the 6th gear 41, sprocket wheel chain, belt pulley 7 and belt 8 finally drive through 11 powered motion platform 9 of drive pin and clear up
Plate 12 moves.The movement locus of cleaning plate 12 is such, and straight reciprocating motion is done since cleaning plate 12 is driven by drive pin 11,
Drive pin 11 moves on belt 8 along belt 8, when drive pin 11 is moving along a straight line on belt 8, rotary electric machine 17 at this time
Power transmitted by the third and fourth gear, at this time sports platform 9 with cleaning plate 12 quickly move, when drive pin 11 is transported
When moving at belt pulley 7, drive pin 11 moves in a circle along belt pulley 7, and drive pin 11 drives through first via transmission system at this time
Dynamic, drive pin 11 slowly moves in annular through groove 10, then can be by adjusting second gear 15 as how long movement is needed
It is adjusted with the gear ratio of first gear 14, then can be in second gear 15 and the of course for more preferably gear ratio is obtained
Increase the adjusting that multigroup gear carries out gear ratio between one gear 14, in the process that drive pin 11 moves in annular through groove 10
In, sports platform 9 radiates the heat on thermal column 4 with cleaning 12 transfixion of plate, at this time radiator fan 5.Work as movement
Platform 9 covers half bowlder along belt pulley 7, is switched to the second tunnel transmission system at this time, then sports platform 9 drives cleaning plate 12 quick
Dust on thermal column 4 is cleared up.The movement velocity for clearing up plate can be one meter per minute, and drive column to surround belt pulley
The time for covering semicircle can be eight hours or 16 hours etc..
It can be arranged in heat sink hollow, and thermal column can also be arranged to interior empty tubular, in the hollow of heat sink
Chamber is connected with the cavity of thermal column, and coolant is full of in the cavity of thermal column and heat sink.Set and inject on heat sink top
Mouthful, in heat sink vertical side lower end, leakage fluid dram is set, inlet connect the inner cavity of heat sink with leakage fluid dram, inlet with
The plug for placing liquid outflow is plugged with leakage fluid dram.Coolant is set, it is convenient to take away the heat of CPU.
Thermal column between two heat sinks of the present invention could alternatively be vertical spaced multiple radiating fins,
Setting is vertically spaced on cleaning plate can be by the heat dissipation straight slot of radiating fin, the upper and lower side difference in heat dissipation straight slot
Hairbrush is set, and when plate movement is cleared up, hairbrush can brush away the dust on radiating fin.
The present invention is the achievable periodic cleaning to thermal column using a rotary electric machine and some mechanical mechanisms.This hair
It is bright that regularly thermal column is cleared up automatically, it is not necessary to dismantle radiator, cleaning is convenient, avoids because being accumulated for a long time on radiator
Ash and the problem of bad of radiating, realize periodic cleaning using mechanical structure, securely and reliably.
Claims (7)
1. radiating structure of computer, includes the radiating block of lower end in contact CPU upper sides（1）, the radiating block（1）It is equipped with installation
Hole（2）, it is characterised in that the radiating block（1）Upper end is equipped with two and is arranged at intervals the heat sink being parallel to each other（3）, two heat dissipations
Plate（3）Between be evenly equipped with multiple thermal columns（4）, two heat sinks（3）Radiator fan is connected between horizontal side（5）, two heat dissipations
Plate（3）Support plate is connected between upper end（6）, support plate（6）Upper end is rotatably connected to two belt pulleys（a、b）, two belt pulleys
（7）Between set be connected with belt（8）, the support plate（6）Top is equipped with along two belt pulleys（7）Slide and set in central junction line direction
The sports platform put（9）, the sports platform（9）It is equipped with annular through groove（10）, the annular through groove（10）Periphery and belt
Wheel（7）Periphery diameter it is identical and work as annular through groove（10）Move to belt pulley（7）Annular through groove during surface（10）With skin
Belt wheel（7）With one heart, the belt（8）On be fixed with and be placed in annular through groove（10）Interior drive pin（11）, two heat sinks
（3）Between be equipped with cleaning plate（12）, thermal column（4）Slide through cleaning plate（12）, the cleaning plate（12）Through connecting rod（13）
It is connected to sports platform（9）On, the support plate（6）Top is equipped with first gear（14）, the first gear（14）It is engaged with
Two gears（15）, the second gear（15）It is coaxially connected with the 3rd gear（16）, the 3rd gear（16）It is coaxially connected with
Rotary electric machine（17）, the 3rd gear（16）It is engaged with and first gear（14）4th gear of coaxial placement（18）, it is described
First gear（14）Face the 4th gear（18）End face on through cylinder（19）It is coaxially connected with the first clutch-plate（20）, described
Four gears（18）Face first gear（14）End face on be coaxially connected with the second clutch-plate（21）, further include through cylinder（19）
And first gear（14）Drive shaft（22）, the drive shaft（22）On be in axial sliding connection mobile dish（23）, the movement
Disk（23）Axial both sides be respectively fixed with and the first clutch-plate（20）With the second clutch-plate（21）The 3rd clutch-plate coordinated
（24）, the drive shaft（22）Belt pulley a, the mobile dish are connected through transmission device（23）It is connected with and pulls it toward the second clutch
Piece（21）The first tension spring（25）, the sports platform（9）It is equipped with resilient push（26）, work as sports platform（9）Move to belt pulley a
When resilient push（26）Mobile dish can be promoted（23）Overcome the first tension spring（25）Pulling force causes the 3rd clutch-plate（24）Contact the
One clutch-plate（20）, belt pulley b sides are equipped with baffle（27）, the baffle（27）It is connected with sleeve（28）, the sleeve（28）
Middle part is rotatably connected on heat sink（3）On, the sleeve（28）Backwards to baffle（27）One end in slidably connect motion bar
（29）, the motion bar（29）Free end is rotatably connected to actuating rod（30）, work as sports platform（9）Touched when moving at belt pulley b
Contact baffle（27）So that actuating rod（30）Axially move along two pulley centerline directions and push the 3rd clutch-plate（24）
Contact the first clutch-plate（20）.
2. radiating structure of computer according to claim 1, it is characterised in that the cleaning plate（12）It is equipped with dissipating
Plume（4）One-to-one multiple cleaning eyes, the thermal column（4）Interval is fixed with rubber through cleaning eye on the cleaning eye
Cushion rubber（32）, the rubber ring（32）Inner headed face contact thermal column（4）Periphery.
3. radiating structure of computer according to claim 1, it is characterised in that the mobile dish（23）Upper turning set is equipped with
Mounting shell（33）, the mounting shell（33）Lower end is connected with across support plate（6）Mounting bracket（34）, the mounting bracket（34）Edge
Two pulley centerline directions and be slidably connected at support plate（6）On, first tension spring（25）It is connected to support plate（6）And peace
Shelve（34）Between, the resilient push（26）Including being fixed on sports platform（9）On push plate（35）, the push plate（35）Face
Mounting bracket（34）Side on be connected with push the spring（36）.
4. radiating structure of computer according to claim 1, it is characterised in that the actuating rod（30）Face mobile dish
（23）One end be fixed with the first spring（37）.
5. radiating structure of computer according to claim 1, it is characterised in that the drive shaft（22）It is coaxially connected with
One worm gear（38）, first worm gear（38）It is engaged with the first vertical worm screw（39）, first worm screw（39）It is coaxially connected
There is the 5th gear（40）, the 5th gear（40）It is engaged with the 6th gear（41）, the 6th gear（41）It is coaxially connected with
First sprocket wheel（42）, the belt pulley a lower ends are coaxially connected with the second sprocket wheel（43）, the first sprocket wheel（42）With the second sprocket wheel（43）
Between through chain（44）Connection, forms transmission device.
6. radiating structure of computer according to claim 1, it is characterised in that the radiating block（1）It is small big under being in
Rectangular cone, in radiating block（1）Upper end is extended with connecting plate laterally（45）, mounting hole（2）It is arranged on connecting plate（45）On.
7. radiating structure of computer, includes the radiating block of lower end in contact CPU upper sides（1）, the radiating block（1）It is equipped with installation
Hole（2）, it is characterised in that the radiating block（1）Upper end is equipped with two and is arranged at intervals the heat sink being parallel to each other（3）, two heat dissipations
Plate（3）Between be evenly equipped with multiple thermal columns（4）, two heat sinks（3）Radiator fan is connected between horizontal side（5）, two heat dissipations
Plate（3）Support plate is connected between upper end（6）, support plate（6）Upper end is rotatably connected to two belt pulleys（a、b）, two belt pulleys
（7）Between set be connected with belt（8）, the support plate（6）Top is equipped with along two belt pulleys（7）Slide and set in central junction line direction
The sports platform put（9）, the sports platform（9）It is equipped with annular through groove（10）, the annular through groove（10）Periphery and belt
Wheel（7）Periphery diameter it is identical and work as annular through groove（10）Move to belt pulley（7）Annular through groove during surface（10）With skin
Belt wheel（7）With one heart, the belt（8）On be fixed with and be placed in annular through groove（10）Interior drive pin（11）, two heat sinks
（3）Between be equipped with cleaning plate（12）, thermal column（4）Slide through cleaning plate（12）, the cleaning plate（12）Through connecting rod（13）
It is connected to sports platform（9）On, the support plate（6）Top is equipped with first gear（14）, the first gear（14）It is engaged with
Two gears（15）, the second gear（15）It is coaxially connected with the 3rd gear（16）, the 3rd gear（16）It is coaxially connected with
Rotary electric machine（17）, the 3rd gear（16）It is engaged with and first gear（14）4th gear of coaxial placement（18）, it is described
First gear（14）Face the 4th gear（18）End face on through cylinder（19）It is coaxially connected with the first clutch-plate（20）, described
Four gears（18）Face first gear（14）End face on be coaxially connected with the second clutch-plate（21）, further include through cylinder（19）
And first gear（14）Drive shaft（22）, the drive shaft（22）On be in axial sliding connection mobile dish（23）, the movement
Disk（23）Axial both sides be respectively fixed with and the first clutch-plate（20）With the second clutch-plate（21）The 3rd clutch-plate coordinated
（24）, the drive shaft（22）Belt pulley a, the mobile dish are connected through transmission device（23）Upper turning set is equipped with mounting shell
（33）, the mounting shell（33）Lower end is connected with across support plate（6）Mounting bracket（34）, the mounting bracket（34）Along two skins
Belt wheel（7）Centerline direction is slidably connected at support plate（6）On, the mounting bracket（34）The support plate of inner side（6）On be provided with
Pilum（46）, the pilum（46）Upper end rotates and is equipped with bull stick（47）, the bull stick（47）Both ends are connected to the first pendulum
Arm（48）With the second swing arm（57）, the mounting bracket of swing arm free end and swing arm upper end（34）Between be connected with pendulum spring（49）, it is described
Sports platform（9）On be connected with and the first swing arm（48）The first driving lever coordinated（50）, belt pulley b sides are equipped with baffle（27）, institute
State baffle（27）It is connected with sleeve（28）, the sleeve（28）Middle part is rotatably connected on heat sink（3）On, the sleeve（28）The back of the body
To baffle（27）One end in slidably connect motion bar（29）, the motion bar（29）Free end is rotatably connected to actuating rod
（30）, the actuating rod（30）On be connected with and the second swing arm（57）The second driving lever coordinated（51）, swing arm faces the side of driving lever
Curved rod of the opening towards swing arm is connected with wall（52）, the actuating rod（30）Lower slide, which is connected with, is fixed on support plate
（6）On slide plate（53）, the slide plate（53）Compression spring is connected with backwards to the side of belt pulley a（54）, compression spring（54）The other end
It is connected to actuating rod（30）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711316445.0A CN108021217B (en) | 2017-12-12 | 2017-12-12 | Radiating structure of computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711316445.0A CN108021217B (en) | 2017-12-12 | 2017-12-12 | Radiating structure of computer |
Publications (2)
| Publication Number | Publication Date |
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| CN108021217A true CN108021217A (en) | 2018-05-11 |
| CN108021217B CN108021217B (en) | 2018-10-23 |
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ID=62073028
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711316445.0A Active CN108021217B (en) | 2017-12-12 | 2017-12-12 | Radiating structure of computer |
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| CN (1) | CN108021217B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113845A (en) * | 2018-08-31 | 2019-01-01 | 张振源 | A kind of automotive aerodynamics radiator |
| CN110488932A (en) * | 2019-07-02 | 2019-11-22 | 浙江工贸职业技术学院 | A kind of dustproof computer cabinet |
| CN110888511A (en) * | 2019-10-31 | 2020-03-17 | 佳木斯大学 | Notebook computer heat dissipation device and use method |
| CN112799487A (en) * | 2021-01-21 | 2021-05-14 | 湖南电子科技职业学院 | Computer CPU self-heat-dissipation structure |
| CN113458030A (en) * | 2021-07-06 | 2021-10-01 | 福建海峡基石科技集团有限公司 | Cloud computing big data device based on smart court |
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| US7600557B2 (en) * | 2007-12-13 | 2009-10-13 | Asia Vital Components Co., Ltd. | Heat sink mechanism |
| CN106095013A (en) * | 2016-06-16 | 2016-11-09 | 哈尔滨学院 | A kind of dust-proof radiating computer cabinet |
| CN107061233A (en) * | 2017-04-11 | 2017-08-18 | 上海坤彧节能科技有限公司 | A kind of air compressor machine radiator automatic cleaning apparatus |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7600557B2 (en) * | 2007-12-13 | 2009-10-13 | Asia Vital Components Co., Ltd. | Heat sink mechanism |
| CN106095013A (en) * | 2016-06-16 | 2016-11-09 | 哈尔滨学院 | A kind of dust-proof radiating computer cabinet |
| CN107061233A (en) * | 2017-04-11 | 2017-08-18 | 上海坤彧节能科技有限公司 | A kind of air compressor machine radiator automatic cleaning apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113845A (en) * | 2018-08-31 | 2019-01-01 | 张振源 | A kind of automotive aerodynamics radiator |
| CN109113845B (en) * | 2018-08-31 | 2020-02-07 | 张振源 | Aerodynamic heat dissipation device for automobile |
| CN110488932A (en) * | 2019-07-02 | 2019-11-22 | 浙江工贸职业技术学院 | A kind of dustproof computer cabinet |
| CN110888511A (en) * | 2019-10-31 | 2020-03-17 | 佳木斯大学 | Notebook computer heat dissipation device and use method |
| CN112799487A (en) * | 2021-01-21 | 2021-05-14 | 湖南电子科技职业学院 | Computer CPU self-heat-dissipation structure |
| CN113458030A (en) * | 2021-07-06 | 2021-10-01 | 福建海峡基石科技集团有限公司 | Cloud computing big data device based on smart court |
| CN113458030B (en) * | 2021-07-06 | 2023-01-31 | 福建海峡基石科技集团有限公司 | Cloud computing big data device based on smart court |
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| Publication number | Publication date |
|---|---|
| CN108021217B (en) | 2018-10-23 |
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