CN201064063Y - Heat radiator for video control card - Google Patents
Heat radiator for video control card Download PDFInfo
- Publication number
- CN201064063Y CN201064063Y CNU2007200060008U CN200720006000U CN201064063Y CN 201064063 Y CN201064063 Y CN 201064063Y CN U2007200060008 U CNU2007200060008 U CN U2007200060008U CN 200720006000 U CN200720006000 U CN 200720006000U CN 201064063 Y CN201064063 Y CN 201064063Y
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Abstract
The utility model provides a radiator for a video control card which comprises a geometric processor and at least a memory. The radiator comprises a heat dissipation unit, a liquid cooling unit, a water drawing unit and a air cooling unit, wherein the heating liquid passes through the heat dissipation unit and is cooled to the cooling liquid; the liquid cooling unit comprises a liquid cooling base which closely contacts the geometric processor and can receive the cooling liquid from the heat dissipation unit and a water storage tank communicated with the liquid cooling base; the water drawing unit can draw the heating liquid in the water storage tank to the heat dissipation unit; the air cooling unit comprises a heat absorption plate contacting the memory and a plurality of heat dissipation fins. With the utility model adopting the structural design, the utility model can dissipate the heat from the geometric processor and the memory for achieving desirable heat dissipation effect.
Description
Technical field
The utility model is a kind of heat abstractor, particularly relates to a kind of heat abstractor that is installed on the video control card and is used to arrange the video control card of the heat that produces on the diffusing video control card.
Background technology
Main frame for example, LCD screen, electronic equipments such as plasm TV, in the process of running, some electronic component can produce high temperature, so need utilize at least one heat abstractor to force heat radiation, and industry is developed multiple heat abstractor successively in recent years, can divide into two kinds of ventilation type and water-cooleds substantially, can see through air or liquid respectively dispels the heat, and above-mentioned heat abstractor can be installed on the different electronic components, below be to illustrate at the heat abstractor on the video control card (VideoGraphics Array is called for short VGA) that is installed in the main frame.
As Fig. 1 and shown in Figure 2, a kind of heat abstractor in the past 11 is mounted on the video control card 1, this video control card 1 comprises the substrate 12 of a slice level, a graphic process unit (Graphic Processing Unit who is fixedly mounted on this substrate 12, be called for short GPU) 13, and a plurality of intervals are installed in the memory 14 on this substrate 12.And this heat abstractor 11 is to be used to arrange the heat of graphic process unit 13 and memory 14 that looses, and comprises: a slice heating panel 111, multi-disc radiating fin 112, and a desk fan 113.This heating panel 111 is to abut on graphic process unit 13 and the memory 14.Described radiating fin 112 is up to extend from heating panel 111 at interval.This fan 113 is mounted on the heating panel 111, and is positioned at described radiating fin 112 1 sides, air can be blowed to radiating fin 112 with heat rejection and removal.
Though above-mentioned heat abstractor 11 energy heat rejection and removals, yet it just utilizes flowing of air to dispel the heat, this will be difficult to take away apace a large amount of heats, particularly graphic process unit 13 can produce more heat transfer when running, ambient temperature around it also can raise with it, so can cause the reduction of rate of heat dispation relatively, so adopt the radiating effect of ventilation type heat radiation relatively poor merely, this design still remains to be improved.
The utility model content
Main purpose of the present utility model is to be to provide a kind of heat abstractor with video control card of better cooling efficiency.
The heat abstractor of a kind of video control card of the present utility model, this video control card comprises a substrate, and be installed in a graphic process unit and at least one memory on this substrate, and this heat abstractor comprises: a heat-sink unit, a liquid cooling unit, draw beats a unit and an air cooling unit.
One heat-sink unit, can become cooling liquid by dispelling the heat for the unidirectional backflow of intensification liquid, and comprise that one first water tank separately is connected the outlet side that the heat radiation baffle, that is communicated with between first water tank, second water tank allows cooling liquid flow out with one second water tank,, an and upstream end for the inflow of intensification liquid.
This liquid cooling unit comprises a liquid cooling seat, and a storage tank.This liquid cooling seat have one abut on the described graphic process unit and be used to absorb heat the seat base plate, one is positioned at a base plate away from a side of graphic process unit and the seat shell spare on the present base plate of periphery combination, and multi-disc is located at the radiating fin between this base plate and seat shell spare respectively, this base plate, seat shell spare defines a seal channel jointly with radiating fin, this shell spare has one and is centered around radiating fin seat perisporium on every side, the outlet side of one connection heat-sink unit and cooling be the water inlet of liquid admission passage but, and one forms on the present perisporium and the connected entrance that allows intensification liquid discharge from passage with water inlet at intervals.
This storage tank is that adjacent this perisporium that is attempted by is provided with on the side of connected entrance, and has a box plate that abuts against a side of this base plate, and one abut against a side of this perisporium and periphery and be combined in case shell spare on this box plate, this box plate defines a water space that is communicated with this connected entrance jointly with case shell spare, this case shell spare have one be communicated with water space and with connected entrance discharge outlet separately.
This draws beats the unit and is mounted on this substrate, and the end, that sinks that has that the intensification liquid for the discharge outlet of discharging storage tank enters drains out the end that drains out to the upstream end of heat-sink unit with intensification liquid, reaches one and is installed in away from the circuit board on the side of substrate.
This air cooling unit has one and is positioned at around the liquid cooling unit and abuts against described memory and be used to absorb the heat absorbing sheet of heat away from a side of substrate, and multi-disc at interval from heat absorbing sheet toward the heat extraction fin that extends away from a side of memory.
The heat abstractor of video control card described in the utility model, this heat abstractor more comprise on the heat absorbing sheet that is installed in the air cooling unit and air can be blowed to the fan of heat extraction fin.
The heat abstractor of video control card described in the utility model, the case shell spare of this storage tank have more additional a mouthful of being communicated with water space for external world's importing liquid, and this liquid cooling unit comprises that more can open solid this of ground sealing plug for one replenishes the embolism of mouth.
The heat abstractor of video control card described in the utility model, the case shell spare of this storage tank has more one and is communicated with water space imports liquid for the external world additional mouth, and but this liquid cooling unit more comprises the liftoff embolism that is screwed onto in this additional mouthful of spiral shell, and this embolism has the groove that is formed on together on the outer face.
The heat abstractor of video control card described in the utility model, this groove are yi word pattern.
The heat abstractor of video control card described in the utility model, the seat shell spare of this liquid cooling seat has more a slice seat roof relative at interval with this base plate, this perisporium is to be extended by the direction of the past seat of the periphery base plate of seat roof, and the case shell spare of this storage tank has more a slice case roof relative at interval with this box plate, reach the case perisporium that a slice is extended by the direction of the past box plate of periphery of this case roof, this discharge outlet is formed on this case perisporium.
The heat abstractor of video control card described in the utility model, this liquid cooling seat have more multi-disc and uprightly peg graft between present base plate and a shell spare respectively and boundary goes out the partition of this passage.
The heat abstractor of video control card described in the utility model, the radiating fin of this liquid cooling seat all are to be extended towards seat shell spare by this base plate consubstantiality.
The beneficial effects of the utility model are: by described heat-sink unit, liquid cooling unit, draw and beat the unit, and the configuration of air cooling unit design, can arrange the heat of loose graphic process unit and memory respectively, to reach preferable radiating effect.
Description of drawings
Fig. 1 is the stereogram that a kind of heat abstractor in the past separates on a video control card;
Fig. 2 is this schematic side view of heat abstractor in the past;
Fig. 3 is a three-dimensional exploded view of the preferred embodiment that separates on a video control card of heat abstractor of the present utility model;
Fig. 4 is that a vertical profile of this preferred embodiment is looked schematic diagram;
Fig. 5 is a cross-sectional schematic diagram of looking of this preferred embodiment;
Fig. 6 is a view that is similar to Fig. 4, and another use aspect of reverse flip up and down is described.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
As Fig. 3, Fig. 4 and shown in Figure 5, the preferred embodiment of the utility model heat abstractor is mounted in a video control card (Video Graphics Array, be called for short VGA) on 2, this video control card 2 comprises the substrate 21 of a slice level, a graphic process unit (Graphic Proce ssing Unit who is fixedly mounted on this substrate 21, be called for short GPU) 22, and a plurality of intervals are installed in the memory 23 on this substrate 21.And this heat abstractor is to be used to arrange the heat of graphic process unit 22 and memory 23 that looses, and comprises: heat-sink unit 3, liquid cooling unit 30, one draw and beat unit 4, an air cooling unit 5, an and desk fan 6.
This heat-sink unit 3 is to be made by the good metal material of thermal conductivity, can become cooling liquid by dispelling the heat for the unidirectional backflow of intensification liquid, and comprise that separately one first water tank 31 is connected with one second water tank 32, and be communicated with the outlet side 34 that the heat radiation baffle 33,32 in first water tank 31, second water tank allows cooling liquid flow out, an and upstream end 35 that flows into for intensification liquid.In the present embodiment, this outlet side 34 is formed on first water tank 31, and this upstream end 35 is formed on second water tank 32, certainly in design, also can difference be set, and make outlet side 34 and upstream end 35 be positioned at intervals on the same water tank, in addition by the separation of water tank internal partition (figure does not show), this heat-sink unit 3 more can comprise at least one fan (figure does not show) that can increase heat radiation function, but no longer describes the structure of heat-sink unit 3 in detail at this.
And this liquid cooling unit 30 is to comprise a liquid cooling seat 7, a storage tank 8, and an embolism 9.This liquid cooling seat 7 has a level and abuts on the described graphic process unit 22 and the seat base plate 71, the section that are used to absorb heat is U type and opening down borrowing the seat shell spare 72 on the affixed present base plate 71 of periphery, multi-disc is up uprightly extended and be positioned at this shell spare 72 at intervals by the end face of seat base plate 71 radiating fin 73, and the partition 74 of multi-disc upright respectively peg graft 72 of present base plate 71 and shell spares.Interval by partition 74 is misplaced, and present base plate 71, seat shell spare 72 and 73 of radiating fins define the passage 75 of the sealing of a unidirectional backflow jointly.
This shell spare 72 has a rectangle seat roof relative at interval with this base plate 71 721, and is extended and be centered around the water inlet 723 that seat perisporium 722, around the radiating fin 73 forms a side of present perisporium 722 toward seat base plate 71 directions by the periphery of seat roof 721, and one forms connected entrance 724 on the opposite side of the perisporium 722 of being present at intervals with water inlet 723.
This water inlet 723 is connected with the outlet side 34 of described heat-sink unit 3, for cooling liquid admission passage 75, and this connected entrance 724 can allow intensification liquid discharge from passage 75, this water inlet 723 is formed in a perisporium 722 front sides in the present embodiment, and this connected entrance 724 is provided in a side of a perisporium 722 left sides, certainly this water inlet 723 also can form on the present roof 721 in design, the quantity of this connected entrance 724 also can increase in addition, separately two or more just can be set, and shape, size can not be subject to present embodiment yet.Described radiating fin 73 all is to be extended towards seat roof 721 by these base plate 71 consubstantialities, and, the quantity of radiating fin 73 and the partition 74 and position is set does not exceed with present embodiment.
This storage tank 8 is that adjacent this perisporium 722 that is attempted by is formed with on the left side of connected entrance 724, and have a box plate 81 of being turned left and being extended by the left side consubstantiality of this base plate 71, and together body is formed on the left side of this perisporium 722 and periphery and is fixed in case shell spare 82 on this box plate 81.This box plate 81 defines a water space 83 that is communicated with this connected entrance 724 jointly with case shell spare 82.
The section of this case shell spare 82 is U type and opening down, and have one with this box plate 81 at interval the case perisporium 822, that extends toward box plate 81 directions by the periphery of this case roof 821 of the case roof 821, of relative rectangle be formed on these case perisporium 822 front sides and be communicated with the discharge outlet 823 of water space 83, and one runs through case roof 821 and is communicated with water space 83 and imports additional mouthful 824 of liquid for the external world.Certainly, must not exceed with present embodiment in the position of this discharge outlet 823 yet.
In the present embodiment, this base plate 71 is to be made into integration by the good metal material of thermal conductivity with this box plate 81, this shell spare 72 is to be made into integration by the good metal material of thermal conductivity with this case shell spare 82, just liquid cooling seat 7 is that the left and right sides is adjacent on defining with storage tank 8, just on the actual configuration of present embodiment, liquid cooling seat 7 is to be docked by upper and lower two halves housing to form with storage tank 8.Certainly in design, this liquid cooling seat 7 also can be respectively an independent individual with storage tank 8, and left and right more in addition connecting together be not so the joint construction of 8 of the utility model liquid cooling seat 7 and storage tanks can exceed with present embodiment for other design yet.
This embolism 9 is can open the ground sealing plug admittedly in additional mouthful 824 of this storage tank 8, and has the groove 91 that is formed on together on the outer face.In the present embodiment, this embolism 9 is that screw lock replenishes in the mouth 824 at this, can certainly omit the design of screw thread, and make embolism 9 direct connectors in replenishing mouth 824.And the groove 91 of present embodiment is a yi word pattern, can set to borrow power control to make embolism 9 rotations for instrument, and this groove 91 also can no longer describe in detail at this for cross design certainly.
In design, 8 of embolism 9 and storage tanks also can be the pin-jointed structures that can raise or eject, and a recycling connecting band (figure do not show) is connected, so the structure of 8 of embolism 9 and storage tanks can be other designs also, do not exceed with present embodiment.In addition in design, this liquid cooling unit 30 more can comprise a lining soft O type ring (figure does not show) to be tight against additional mouth 824 on embolism 9, can be used for preventing leak of liquid, no longer describes in detail at this.
This draws and beats unit 4 is one to be installed in the pump of these substrate 21 tops, and comprise one for the intensification liquid of discharging this discharge outlet 823 enter sink end 41, with intensification liquid drain out to the upstream end 35 of described heat-sink unit 3 in order to the heat radiation cooling drain out end 42, and one is installed in and sinks end 41 and the circuit board 43 that drains out end 42 tops.This circuit board 43 is on the side that is positioned at away from substrate 21, to avoid being subjected to temperatures involved.Because this draws the structure of beating unit 4 is not emphasis of the present utility model, so no longer describe in detail at this.
This air cooling unit 5 comprises that one is positioned at around the liquid cooling unit 30 and abuts the heat absorbing sheet 51 that is positioned at described memory 23 tops, and the heat extraction fin 52 that up extends from heat absorbing sheet 51 at interval of multi-disc.Heat absorbing sheet 51 is to be made into integration by the good metal material of thermal conductivity with heat extraction fin 52, can be used for absorbing heat, and quantity, the size of heat absorbing sheet 51 and heat extraction fin 52 and the position is set, graphic process unit 22 changes with the configuration of memory 23 on also can optic placode 21, does not therefore exceed with present embodiment in the design.
This fan 6 is mounted on the heat absorbing sheet 51 of air cooling unit 5, and air can be blowed to heat extraction fin 52, so as to powerful heat rejection and removal.Because the structure of this fan 6 is not an emphasis of the present utility model, so no longer describe in detail at this.
After the assembling, earlier at heat-sink unit 3, liquid cooling unit 30 with draw beat hold in the unit 4 full of media radiator liquid such as liquid or cold media, during use, the graphic process unit 22 of sending high temperature can conduct to heat in the liquid cooling seat 7, allow liquid carry out heat exchange and heat up, when 4 runnings of dozen unit are drawn in driving, cooling liquid in first water tank 31 of heat-sink unit 3 can be sent into liquid cooling seat 7, and cooling liquid refluxed can heat up behind this passage 75 and become intensification liquid, and enter water space 83 from connected entrance 724, then make second water tank 32 that unit 4 is delivered to heat-sink unit 3 via drawing, behind the radiating and cooling through heat radiation baffle 33, supply with cooling liquid by first water tank 31 again, to continue the heat radiation that circulates.And evapotranspire gradually when needing liquid make-up when liquid, just can be at any time with embolism 9 spiral shells from replenishing mouthfuls 824, and pour into liquid thus, thus, just can provide sufficient liquid reaching better heat radiation function, and can improve the fail safe in the use.
Moreover memory 23 also can conduct to heat heat absorbing sheet 51 and heat extraction fin 52, increases area of dissipation, makes heat be easy to row and is dissipated in the air.Add startup fan 6, just air can be blowed to air cooling unit 5 and liquid cooling unit 30,, accelerate rate of heat dispation to utilize the powerful heat rejection and removal of air-flow.
What must further specify is, be to be to keep flat with video control card 2 to put in the present embodiment, and it is that example explains with memory 23 tops that heat abstractor is mounted in graphic process unit 22, certainly in design also can be as shown in Figure 6, with video control card reverse flip about in the of 2, make heat abstractor be positioned at the below of graphic process unit 22 and memory 23.In addition, if be when uprightly putting when video control card 2, then present embodiment just can be installed on the side of this graphic process unit 22 and memory 23, so the utility model be not limited to present embodiment on installation direction with its corresponding matching.
By above explanation as can be known, the heat abstractor of the utility model video control card, in design, except air cooling unit 5 is installed on memory 23, and can drive fan 6 utilize wind-force to disperse beyond the heat, it more is equipped with liquid cooling unit 30 on the bigger graphic process unit 22 of caloric value, can beat unit 4 and cooperate heat-sink unit by drawing, seeing through liquid circulation dispels the heat in a large number, so the utility model heat abstractor can be arranged the heat of loose graphic process unit 22 and memory 23 apace, to have preferable radiating effect, so can reach the purpose of this utility model really.
Claims (8)
1. the heat abstractor of a video control card; This video control card comprises a plate base; And be installed in a graphic process unit and at least one memory on this substrate; And this heat abstractor comprises an air cooling unit; This air cooling unit comprises that a slice abuts against described memory away from a side of substrate and is used for the heat absorbing sheet of absorbing heat; And multi-disc interval self-priming backing is toward the heat extraction fin that extends away from a side of memory; It is characterized in that; This heat abstractor also comprises a heat-sink unit, liquid cooling unit and one and draws and beat the unit
This heat-sink unit can become cooling liquid for the unidirectional backflow of intensification liquid by dispelling the heat, and comprise separately one first water tank and one second water tank, one be connected the heat radiation baffle that is communicated with between first water tank, second water tank, an outlet side that allows cooling liquid flow out, and upstream end for the inflow of intensification liquid
This liquid cooling unit comprises a liquid cooling seat, and storage tank, this liquid cooling seat has the seat base plate that a slice abuts on the described graphic process unit and is used to absorb heat, one is positioned at a base plate away from a side of graphic process unit and the seat shell spare on the present base plate of periphery combination, and multi-disc is located at the radiating fin between this base plate and seat shell spare respectively, this base plate, seat shell spare and radiating fin define the passage of a sealing jointly, this shell spare has a slice and is centered around radiating fin seat perisporium on every side, the outlet side of a connection heat-sink unit and cooling be the water inlet of liquid admission passage but, reaching one forms on the present perisporium and the connected entrance that allows intensification liquid discharge from passage with water inlet at intervals, this storage tank is that adjacent this perisporium that is attempted by is provided with on the side of connected entrance, and has a box plate that a slice abuts against a side of this base plate, and side that abuts against this perisporium and periphery are combined in the case shell spare on this box plate, this box plate defines a water space that is communicated with this connected entrance jointly with case shell spare, this case shell spare have one be communicated with water space and with connected entrance discharge outlet separately
This draws dozen unit and is mounted on this substrate, and the sink end, one that comprise that the intensification liquid for the discharge outlet of discharging storage tank enters drain out the end that drains out to the upstream end of heat-sink unit with intensification liquid, reaches a slice and be installed in away from the circuit board on the side of substrate.
2. the heat abstractor of video control card according to claim 1 is characterized in that, this heat abstractor more comprises on the heat absorbing sheet that is installed in the air cooling unit and air can be blowed to the fan of heat extraction fin.
3. the heat abstractor of video control card according to claim 1, it is characterized in that, the case shell spare of this storage tank has more additional a mouthful of being communicated with water space for external world's importing liquid, and this liquid cooling unit comprises that more can open solid this of ground sealing plug for one replenishes the embolism of mouth.
4. the heat abstractor of video control card according to claim 1, it is characterized in that, the case shell spare of this storage tank has more one and is communicated with water space imports liquid for the external world additional mouth, and but this liquid cooling unit more comprises the liftoff embolism that is screwed onto in this additional mouthful of spiral shell, and this embolism has the groove that is formed on together on the outer face.
5. the heat abstractor of video control card according to claim 4 is characterized in that, this groove is a yi word pattern.
6. the heat abstractor of video control card according to claim 1, it is characterized in that, the seat shell spare of this liquid cooling seat has more a slice seat roof relative at interval with this base plate, this perisporium is to be extended by the direction of the past seat of the periphery base plate of seat roof, and the case shell spare of this storage tank has more a slice case roof relative at interval with this box plate, reach the case perisporium that a slice is extended by the direction of the past box plate of periphery of this case roof, this discharge outlet is formed on this case perisporium.
7. the heat abstractor of video control card according to claim 6 is characterized in that, this liquid cooling seat has more multi-disc and uprightly pegs graft between present base plate and a shell spare respectively and boundary goes out the partition of this passage.
8. according to the heat abstractor of claim 1 or 7 described video control cards, it is characterized in that the radiating fin of this liquid cooling seat all is to be extended towards seat shell spare by this base plate consubstantiality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200060008U CN201064063Y (en) | 2007-04-05 | 2007-04-05 | Heat radiator for video control card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200060008U CN201064063Y (en) | 2007-04-05 | 2007-04-05 | Heat radiator for video control card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201064063Y true CN201064063Y (en) | 2008-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200060008U Expired - Fee Related CN201064063Y (en) | 2007-04-05 | 2007-04-05 | Heat radiator for video control card |
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| Country | Link |
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| CN (1) | CN201064063Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533800A (en) * | 2013-10-29 | 2014-01-22 | 黄三甦 | Square bidirectional gas-extraction type processor installation device |
| CN103547129A (en) * | 2013-10-29 | 2014-01-29 | 范含晶 | Square installing device for processor |
| WO2017012336A1 (en) * | 2015-07-23 | 2017-01-26 | 中兴通讯股份有限公司 | Water cooling system on board module level |
| CN106535564A (en) * | 2016-10-21 | 2017-03-22 | 华中科技大学 | Liquid cooling type heat radiator |
| CN107282463A (en) * | 2016-04-13 | 2017-10-24 | 伟立精密机械有限公司 | Program-controlled automatic cooling system |
| CN108534589A (en) * | 2018-03-19 | 2018-09-14 | 奇鋐科技股份有限公司 | The water-filling degasification structure of water cooling plant |
| US11026346B2 (en) | 2018-04-23 | 2021-06-01 | Asia Vital Components Co., Ltd. | Water-replenishing and gas-removing structure for water cooling device |
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2007
- 2007-04-05 CN CNU2007200060008U patent/CN201064063Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533800A (en) * | 2013-10-29 | 2014-01-22 | 黄三甦 | Square bidirectional gas-extraction type processor installation device |
| CN103547129A (en) * | 2013-10-29 | 2014-01-29 | 范含晶 | Square installing device for processor |
| CN103533800B (en) * | 2013-10-29 | 2015-11-25 | 吴扬华 | A kind of square two-way bleeder processor erecting device |
| CN103547129B (en) * | 2013-10-29 | 2015-12-02 | 吴平芳 | A kind of square erecting device for the treatment of device |
| WO2017012336A1 (en) * | 2015-07-23 | 2017-01-26 | 中兴通讯股份有限公司 | Water cooling system on board module level |
| CN107282463A (en) * | 2016-04-13 | 2017-10-24 | 伟立精密机械有限公司 | Program-controlled automatic cooling system |
| CN106535564A (en) * | 2016-10-21 | 2017-03-22 | 华中科技大学 | Liquid cooling type heat radiator |
| CN106535564B (en) * | 2016-10-21 | 2019-06-28 | 华中科技大学 | A kind of liquid cooling heat radiator |
| CN108534589A (en) * | 2018-03-19 | 2018-09-14 | 奇鋐科技股份有限公司 | The water-filling degasification structure of water cooling plant |
| US11026346B2 (en) | 2018-04-23 | 2021-06-01 | Asia Vital Components Co., Ltd. | Water-replenishing and gas-removing structure for water cooling device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20120405 |