CN108458612A - Template vacuum heat transfer unit (HTU) for TV - Google Patents
Template vacuum heat transfer unit (HTU) for TV Download PDFInfo
- Publication number
- CN108458612A CN108458612A CN201710092600.9A CN201710092600A CN108458612A CN 108458612 A CN108458612 A CN 108458612A CN 201710092600 A CN201710092600 A CN 201710092600A CN 108458612 A CN108458612 A CN 108458612A
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- CN
- China
- Prior art keywords
- heat transfer
- plate
- mentioned
- htu
- transfer unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/043—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure forming loops, e.g. capillary pumped loops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
Abstract
The present invention relates to the template vacuum heat transfer unit (HTU) for TV, which includes：First, second plate (310,320), is sealed and is formed the inner space of vacuum state；Reticular component (330) configures between the first, second plate；And heat transfer medium, it is filled in a part of space in inner space；First, second plate respectively has the hexagonal cell structure edge part outstanding for being located at gravity direction with vertex, to intermesh the state Chong Die in a part of edge part configures for the hexagonal cell structure of first plate and the hexagonal cell structure of the second plate, to provide the flow passage of the inner space and heat transfer medium that are connected between each other.
Description
Technical field
Template vacuum heat transfer unit (HTU) (the Plate Type Vacuum Heat that the present invention relates to a kind of for TV
Transfer Apparatus For Television), in more detail, this is used in the template vacuum heat transfer unit (HTU) of TV
Portion by vacuum constitute and be attached to the display device for TV with prevent fever caused by damaged products, breakage and
Function reduction.
Background technology
Existing heat pipe is divided into the evaporation part (endothermic section) for obtaining heat and releases the condensation part (heat unit) of heat, and inside is by true
The copper that sky constitutes and makes its heat transfer rate specific heat conductance quite high is about 1,000 times or more fast.Therefore mainly it is attached to generation
The CPU of the computer of high temperature heat, video card etc. ground use.
But the heat pipe more difficult caters to hair since the characteristic in terms of theory of mechanisms makes endothermic section and condensation part area smaller
The wider product of hot area or high temperature exothermic product, it is therefore desirable to separately configure the attachment device of heat sink or wind turbine etc.And
The function mode of heat pipe is the natural circulation type all system using gravity, therefore heater is identical as the height of condensation part or with 15 °
Performance can drastically reduce and relatively frequently occur that the situation of original function can not be played when angle installation below.
As shown in Fig. 1 to Fig. 3, the heat pipe 100 of the prior art be made of the high heat conductivity metal of copper or aluminium etc and with
Cylindrical shape rod-like container 110 is constituted.On the other hand, in interior wall formation sintering, the core of grid, groove form inside heat pipe 100
(wick) 120, hollow space then injects heat transfer medium, is constituted with vacuum.
But the heat pipe 100 of the prior art is in order to improve heat transfer rate and to be conducive to the cylindrical shape stick for evaporating and condensing
Structure is constituted.Although but the evaporation of cylindrical shape stick structure is very fast with condensation, and computer is only used for because contact surface is smaller
The position of the small sized product of CPU, video card etc, evaporation part and condensation part is relatively more fixed and makes the design of its mechanism also by more
Limitation.And the copper or aluminium used to improve thermal conductivity causes its rigidity weaker and more intractable and manufacture.
On the other hand, Korean Patent Registration the 10-0775013rd discloses " template heat transfer dress as illustrated in fig. 4
It sets ".The template heat transfer unit (HTU) 200 of the technology includes：First, second plate 210,220, forms the inner space of sealing；Refrigerant,
By injection inner space；Capillary wick 230, inner space be adjacent in the first, second plate 210,220 at least plate of certain side and
Absorb liquid refrigerant；And pore structure body 240, it is bent after cutting a part and is formed and permitted between the first, second plate 210,220
Perhaps the space that gaseous refrigerant passes through, at the same time, have support capillary wick 230 bending section 241, equipped be formed in for
Form bending section 241 and the gaseous refrigerant that gasifies of the part cut and allowing in capillary wick 230 by hole 242.
Therefore the overall structure of the technology is simple, and the flowing of refrigerant can especially be allowed more smoothly to be improved cooling
Efficiency.But the technology can not be made and used with larger area due to not maintaining vacuum state inside it.And constituting hole
Bending section 241 and the hole 242 for only considering that gaseous refrigerant is allowed to pass through are configured with when structure 240, although therefore its energy
It is used after enough being installed with horizontal configuration, but can not install and use with vertical topography.
【Existing technical literature】
【Patent document】
Korean Patent Registration the 10-0775013rd
Invention content
【The technical task of solution】
Present invention seek to address that above-mentioned problem of the prior art, the object of the present invention is to provide a kind of templates for TV
Vacuum heat transfer unit (HTU), the template vacuum heat transfer unit (HTU) having the inside of template container made of the plate of hexagonal cell structure
Vacuum state is constituted, the steam diffusion of heat transfer medium is also realized by the hexagonal cell structure being connected between each other and is condensed back to
Gui Erneng is realized larger in area and can also be used with vertical topography with simple structure.
【Solve the technical solution of project】
Above-mentioned purpose can be achieved in the present invention, and the template vacuum heat transfer unit (HTU) for TV of the invention includes：First plate and
Second plate is sealed and is formed the inner space of vacuum state；Reticular component configures between above-mentioned first, second plate；And it passes
Thermal medium is filled in a part of space in above-mentioned inner space；Above-mentioned first, second plate respectively has is located at gravity with vertex
The hexagonal cell structure edge part outstanding in direction, the hexagonal of the hexagonal cell structure of above-mentioned first plate and above-mentioned second plate
Shape honeycomb to intermesh a part of edge part overlapping state configuration, to provide be connected between each other it is above-mentioned
The flow passage of inner space and above-mentioned heat transfer medium.
Moreover, according to the present invention, above-mentioned edge part with the hexagonal cell fabric connectivity in the portion that is formed in order to form
Interrupted form.
Moreover, according to the present invention, center is additionally provided with anti-depression protruding portion to above-mentioned hexagonal cell structure inside it, should
Anti-depression protruding portion is prominent and be adjacent to opposite edge part to be identical to the direction of above-mentioned edge part and height.
Moreover, according to the present invention, the above-mentioned template vacuum heat transfer unit (HTU) for TV, which has, corresponds to 55 inches of display surfaces
Long-pending size.
Moreover, according to the present invention, above-mentioned first, second plate is made of 304 materials of STS of 0.3mm.
Moreover, according to the present invention, the above-mentioned template vacuum heat transfer unit (HTU) for TV has the thickness of 1.2mm.
【Advantageous effect】
The present invention's at vacuum state is constituted having the inside of template container made of the plate of hexagonal cell structure,
Hexagonal cell structure also by being connected between each other realizes that the steam diffusion of heat transfer medium and condensation can be with simple by recurrence
Structure is realized larger in area and can also be used with vertical topography.
Description of the drawings
Fig. 1 to Fig. 3 is the vertical view and sectional view configured for illustrating the heat pipe of the prior art.
Fig. 4 is the exploded perspective view for showing the configuration relation of template heat transfer unit (HTU) according to prior art.
Fig. 5 is to show that the template vacuum according to an embodiment of the invention for TV passes in a manner of intercepting a part
The combination stereogram of the configuration relation of thermal.
Fig. 6 and Fig. 7 is the vertical view of the first, second plate shown in Fig. 5.
Fig. 8 and Fig. 9 is the vertical view for another form for showing the first, second plate shown in Fig. 5.
<The explanation of figure primary symbols>
300：Template vacuum heat transfer unit (HTU) 310 for TV：First plate
311、321：LED module mounting portion 314,324：Anti-depression protruding portion
320：Second plate 330：Reticular component
Specific implementation mode
The preferred implementation of the template vacuum heat transfer unit (HTU) according to the present invention for TV is described in detail below in conjunction with the accompanying drawings
Example.
Fig. 5 is to project the configuration for showing the template vacuum heat transfer unit (HTU) according to an embodiment of the invention for TV
The combination stereogram of relationship, Fig. 6 and Fig. 7 are the vertical views of the first, second plate shown in Fig. 5, and Fig. 8 and Fig. 9 are shown shown in Fig. 5
One, the vertical view of another form of the second plate.
As shown in figure 5, the template vacuum heat transfer unit (HTU) 300 for TV of the embodiment is equipped with the plate for having inner space
Type container.Here, template container is welded after being overlapped the first, second larger plate 310,320 of two pieces of thinner thickness areas
Form plate profile structure with connecing gabarit.Here, welding method can use argon arc welding, Laser Welding or plasma arc welding (PAW).Separately
On the one hand, it is inserted into reticular component 330 in the inner space of template container and is injected less with vacuum state in internal space layer
Measure heat transfer medium.
As shown in Fig. 5 to Fig. 7, the contact of heater and outer gas and suction of the first, second plate 310,320 and LED module
The heat for receiving spontaneous heating body is conveyed and is discharged into outer gas, is made of plate shape stainless steel.First, second plate like this
310,320 with plate shape hook at and the contact area that is increased with the contact area of heater and increase and outer gas, so as to
Enough expeditiously heat extractions.On the other hand, it is preferable that the first, second plate 310,320 uses have high intensity and corrosion resistance and row
Hot property is excellent, thickness is 0.3mm 304 materials of STS below.The material of first, second plate 310,320 makes as previously mentioned
Rigidity is improved with stainless steel.
As previously mentioned, form inner space by the first, second plate 310,320 in template container, which allows the
One, the marginal portion of the second plate 310 is to form the morphosis of scale.Also that is, the marginal portion of the first, second plate 310,320
Constitute and form mutual carry out face contact towards upside or downside part with constituting scale, carries out mutually in the end of the part
Fillet welding.On the other hand, for the one side edge part in the edge of the first, second plate 310,320, mutual carry out face is allowed to connect
Tactile field is wider and the LED module mounting portion 311,321 for being used for installing LED module is equipped in the part.The LED module is pacified
Positioned at the lowest part of TV when dress portion 311,321 is suitable for TV.
On the other hand, rely on the inner space that the first, second plate 310,320 is formed when assigning vacuum for the inner space
It crimps between each other and disappears or deform.Therefore, the first, second plate 310,320 of the embodiment has and is assigned in inner space
The saliently composition for the definite shape that part is overlappingly supported between each other when giving vacuum.Also that is, the first, second plate 310,
320 formation protrusion when formed in the following manner, have allow inner space entire area on realize heat transfer medium steam diffusion
And the protrusion of the hexagonal cell structure of condensation recurrence, that is to say, that have with hexagonal cell structure edge part outstanding.It should
The protrusion of hexagonal cell structure provides the flow path of oblique line directions and vertical direction.
Therefore, the first, second plate 310 of the embodiment, the protrusion of 320 each self-forming hexagonal cell structures and top is allowed
Point is formed positioned at gravity direction.Moreover, the hexagonal cell knot of the hexagonal cell structure of the first plate 310 and the second plate 320
Structure to intermesh a part of edge part overlapping state configuration, to provide the inner space being connected between each other and
The flow passage of heat transfer medium.
For this purpose, as shown in FIG. 6 and 7, each self-forming of the outermost of same row is allowed to be in the hexagonal protrusion of overall shape
312 or 322 and punch forming is carried out to the plate of stainless steel in the hexagonal protrusion 313 of half of shape or 323 ground, to make
At the plate for the protrusion for having hexagonal cell structure.Using in so-formed plate along the plate of forming direction as the first plate 310
Using and in contrast to forming direction overturn after as 320 use of the second plate.Allow first, second plate 310,320 phases
When being overlappingly configured between mutually, the hexagonal cell structure of the first, second plate 310,320 is to intermesh at a part of edge
The state configuration of portion's overlapping, to provide the flow passage of the inner space and heat transfer medium that are connected between each other.
And preferably, the first, second plate 310,320 is additionally provided with anti-depression in the center of inside of hexagonal cell structure and uses
Protruding portion 314,324, the anti-depression protruding portion 314,324 are prominent and with the with the direction for being identical to edge part and height
Two, the opposite edge part of the first plate 320,310 is adjacent to.It is internal empty that the anti-depression protruding portion 314,324, which not only prevents,
Between the first, second plate 310,320 the problem of being recessed towards inner space side when assigning vacuum, moreover it is possible to play guide function and allow heat transfer
Medium smooth flow.
On the other hand, as can be seen from figures 8 and 9, in first, second plate 310A, 320A hexagonal cell structure edge part
In order to be constituted into interrupted form with the hexagonal cell fabric connectivity in the portion that is formed within.The hexagon bee of the interrupted form
Steam of the nest structure due to being directly connected to and can efficiently realize heat transfer medium between adjacent hexagonal cell structure
Diffusion and condensation return.
It is protruded moreover, first, second plate 310A, 320A is additionally provided with anti-depression in the center of inside of hexagonal cell structure
Portion 314A, 324A, anti-depression protruding portion 314A, the 324A are prominent and with the with the direction for being identical to edge part and height
Two, the opposite edge part of first plate 320A, 310A is adjacent to.
Reticular component 330 configuration between the first, second plate 310,320 and its provide access by heat transfer medium successfully
It is mobile.Also that is, in the protrusion of the hexagonal cell structure of reticular component 330 and the first, second plate 310,320 helps to realize together
The steam of heat transfer medium on the entire area in portion space is spread and condensation returns.It is preferred that reticular component 330 uses tool
For eyed structure and has high intensity and 304 materials of STS of excellent corrosion resistance.
Heat transfer medium injects a part of space layer of the inner space of template container, after absorbing the heat generated on evaporation part
Evaporate and and entire area (condensation part) the progress heat exchange that is abutted with outer gas be condensed into again from vapor state after heat release
Liquid condition and towards evaporation part move.It is preferred that heat transfer medium uses the pure water that disclosure satisfy that above-mentioned condition.
On the other hand, about the space layer for heat transfer medium being injected inner space the problem of, as long as the one of the first plate 310
Side perforation and pass through the hole worn out inject heat transfer medium.Moreover, if injecting heat transfer medium as previously mentioned,
The hole worn out is sealed by the hole worn out imparting vacuum again after heat transfer medium cooling and is given at normal temperatures air-cooled
It can allow inside it and have certain vacuum degree.
The heat transfer mechanism of the template vacuum heat transfer unit (HTU) 300 for TV of the embodiment constituted as previously mentioned allows
The part that the heater of LED module is attached as evaporation part and rest part then become condensation part.Also that is, heat is flowed from evaporation part
Heat transfer medium is made to flash to vapor state and along by six in 40 DEG C of following temperature for vacuum state due to inside after entering
Angular honeycomb and reticular component 330 are formed by flow passage and are moved to top and and the entire area that is abutted with outer gas
(condensation part) is condensed into liquid condition after heat release with carrying out heat exchange again under vapor state.The heat transfer medium of condensation is along six
After angular honeycomb and reticular component 330 are moved towards evaporation part whereabouts, heat is arranged above-mentioned same process is repeated
It is put into outside.
The inside that the template vacuum heat transfer unit (HTU) 300 for TV of the embodiment injects template container with heat transfer medium is empty
Between a part of space layer in the state of formed vacuum constitute.Also that is, to pass since inner space has vacuum state
Thermal medium is repeated evaporation and with condensing is able to that the heat generated on heater is efficiently discharged at a lower temperature.And
And the hexagonal cell structure by being connected between each other realizes that the steam diffusion of heat transfer medium and condensation can be with simple by recurrence
Structure is realized larger in area and can also be used with vertical topography.
On the other hand, the template vacuum heat transfer unit (HTU) 300 for TV of the embodiment can be corresponded to using its size
304 materials of 0.3mmSTS of 55 inches of display areas allow integral thickness as 1.2mm the structure of the first, second plate 310,320
At.
Previously in conjunction with the technology item for having illustrated the template vacuum heat transfer unit (HTU) for TV for the present invention, but
It is only illustrating for highly preferred embodiment of the present invention.Therefore the present invention is not limited to above-mentioned recorded embodiment,
Do not depart from the present invention thought and range in the case of can implement numerous modification and deformation, this is in fields of the present invention
This is obvious for tool usually intellectual, therefore these deformations and modification should all be illustrated as belonging to asking for the present invention
Seek range.
Claims (6)
1. a kind of template vacuum heat transfer unit (HTU) for TV, which is characterized in that
Including：
First plate and the second plate, are sealed and are formed the inner space of vacuum state；
Reticular component configures between above-mentioned first, second plate；And
Heat transfer medium is filled in a part of space in above-mentioned inner space；
Above-mentioned first, second plate respectively has the hexagonal cell structure edge part outstanding for being located at gravity direction with vertex,
The hexagonal cell structure of above-mentioned first plate and the hexagonal cell structure of above-mentioned second plate are to intermesh at one
Divide the state configuration of edge part overlapping, the flowing for providing the above-mentioned inner space and above-mentioned heat transfer medium that are connected between each other logical
Road.
2. the template vacuum heat transfer unit (HTU) according to claim 1 for TV, which is characterized in that
Above-mentioned edge part in order to the hexagonal cell fabric connectivity in the portion that is formed within form interrupted form.
3. the template vacuum heat transfer unit (HTU) according to claim 1 for TV, which is characterized in that
Center is additionally provided with anti-depression protruding portion to above-mentioned hexagonal cell structure inside it, and the anti-depression protruding portion is with identical
Direction in above-mentioned edge part is prominent with height and is adjacent to opposite edge part.
4. the template vacuum heat transfer unit (HTU) according to claim 1 for TV, which is characterized in that
The above-mentioned template vacuum heat transfer unit (HTU) for TV has the size for corresponding to 55 inches of display areas.
5. the template vacuum heat transfer unit (HTU) according to claim 1 for TV, which is characterized in that
Above-mentioned first, second plate is made of 304 materials of STS of 0.3mm.
6. the template vacuum heat transfer unit (HTU) according to claim 1 for TV, which is characterized in that
The above-mentioned template vacuum heat transfer unit (HTU) for TV has the thickness of 1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092600.9A CN108458612A (en) | 2017-02-21 | 2017-02-21 | Template vacuum heat transfer unit (HTU) for TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092600.9A CN108458612A (en) | 2017-02-21 | 2017-02-21 | Template vacuum heat transfer unit (HTU) for TV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108458612A true CN108458612A (en) | 2018-08-28 |
Family
ID=63221758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710092600.9A Pending CN108458612A (en) | 2017-02-21 | 2017-02-21 | Template vacuum heat transfer unit (HTU) for TV |
Country Status (1)
| Country | Link |
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| CN (1) | CN108458612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465420A (en) * | 2020-03-30 | 2021-10-01 | 超众科技股份有限公司 | Heat conduction member and joining device for joining heat conduction members |
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| CN102840785A (en) * | 2012-09-07 | 2012-12-26 | 浙江中博光电科技有限公司 | Temperature-uniforming plate, internal support thereof and methods for manufacturing same |
| CN103123236A (en) * | 2012-10-21 | 2013-05-29 | 大连三维传热技术有限公司 | Hot plate of metal fiber felt liquid absorption cores |
| CN205119572U (en) * | 2015-08-06 | 2016-03-30 | 浙江嘉熙光电设备制造有限公司 | Heat exchanger plate and heat pump -type phase transition restrain heat exchange water heater |
| CN105793660A (en) * | 2013-12-05 | 2016-07-20 | Ttm株式会社 | Thin heat pipe having wicks of crisscross structure |
-
2017
- 2017-02-21 CN CN201710092600.9A patent/CN108458612A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020042109A (en) * | 2000-11-30 | 2002-06-05 | 장근호 | Deployment Method of Geometrically Identical Heat Pipes by Using Line Contact |
| CN101133295A (en) * | 2005-09-01 | 2008-02-27 | 株式会社渊上微 | Heat pipe and method for manufacturing same |
| CN102840785A (en) * | 2012-09-07 | 2012-12-26 | 浙江中博光电科技有限公司 | Temperature-uniforming plate, internal support thereof and methods for manufacturing same |
| CN103123236A (en) * | 2012-10-21 | 2013-05-29 | 大连三维传热技术有限公司 | Hot plate of metal fiber felt liquid absorption cores |
| CN105793660A (en) * | 2013-12-05 | 2016-07-20 | Ttm株式会社 | Thin heat pipe having wicks of crisscross structure |
| CN205119572U (en) * | 2015-08-06 | 2016-03-30 | 浙江嘉熙光电设备制造有限公司 | Heat exchanger plate and heat pump -type phase transition restrain heat exchange water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113465420A (en) * | 2020-03-30 | 2021-10-01 | 超众科技股份有限公司 | Heat conduction member and joining device for joining heat conduction members |
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Application publication date: 20180828 |
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