CN208589434U - A kind of flexible membrane radiator - Google Patents
A kind of flexible membrane radiator Download PDFInfo
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- CN208589434U CN208589434U CN201821331079.6U CN201821331079U CN208589434U CN 208589434 U CN208589434 U CN 208589434U CN 201821331079 U CN201821331079 U CN 201821331079U CN 208589434 U CN208589434 U CN 208589434U
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- thermally conductive
- conductive diaphragm
- diaphragm
- flexible
- flexibility
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Abstract
A kind of flexible membrane radiator is related to the field of radiating that conducts heat, is made of thermally conductive diaphragm group, skeleton, isolated gate, thermally conductive diaphragm group is placed in skeleton, and isolated gate is fixed on skeleton.Thermally conductive diaphragm group be staggered by the thermally conductive diaphragm of flexibility and two panels of two panels and the above small area and the flexible thermally conductive diaphragm of the above large area it is stacked；Skeleton is equipped with clamping plate and bolt, and clamping plate is located at big thermally conductive diaphragm group both heights side, and the isolated gate is mounted in the lath of slider and fixed slider between each large area diaphragm outwardly protruded.The flexible membrane radiator, can not only install in any direction, guarantee that flexible heat conducting film does not bend, do not accumulate, and can realize big thermal capacity, fast heat transfer rate, high cooling efficiency, manufacturing process is simple, the low effect of production cost.It is widely used in power electronics, microelectronics, photoelectronic cooling system.
Description
Technical field
The invention belongs to the heat transfer of calorifics scope, especially heat source, heat dissipation technology and devices.
Background technique
The systems such as heat sink applications are converted in various heat powers, electro-optic conversion, electric heating are converted, it is reliable to system operation
Property plays a very important role.Especially in circuit system, temperature is very sensitive, and heat dissipation problem has become the bottle of electronic device
One of neck.
Radiator used by current power electronics, microelectronics, electro-optical system mainly include metal fin and coating type,
Heat pipe-type, microchannel formula, graphite fins formula, graphite film chip etc..Metal fin and coating type are for more demanding heating conduction
Place its opposite thermal capacitance is small, thermal coefficient is lower, weight is higher, volume is larger.Heat-pipe type radiator only has one-dimensional heat conduction
Ability.Microchannel radiator needs mating circulator, causes volume big, and reliability reduces.Common graphite gilled radiator, though
It is so light-weight, but thermal coefficient is still lower.Graphite film chip has the characteristics that the two-dimentional capacity of heat transmission, light-weight, but is primarily present
Occupancy plane space is big, and thermal capacitance is small, diaphragm cross-wise direction thermal coefficient is very low, when with plane contact heat source, heat-conducting effect
The problems such as substantially reducing.
To solve the above-mentioned problems, Chinese patent CN200510054362.X discloses a kind of " dissipating using graphite as substrate
The manufacturing method of hot seat and its graphite ", using graphite as the radiating seat of substrate, another side is equipped with metal covering, and metal surface is connected with
Fins group can absorb rapidly the heat source that electronic component is issued, and the stability and extension that electronic component entirety can be improved make
With the service life, but and the small problem of unresolved fin material thermal capacitance, radiating efficiency be not also optimal.Although by broken
Broken, dipping and graphitizing method, which keep radiating seat thermally conductive, becomes three-dimensional from two dimension, but inevitably in-plane thermal conductivity
Decline, manufacturing cost greatly increase.
Chinese patent CN201010160082.8 discloses a kind of " heat radiator with composite structure and preparation method thereof ", by
Multi-disc is handed in clamping device with multi-disc using the short fin of flexible graphite material using the long fin of exfoliated-graphite composite
One end alignment of mistake arrangement, long fin and short fin, the end face of alignment are equipped with heat-conducting layer.The radiator of this structure has weight
Amount is light, thermal resistance is small, the features such as contacting, is with short production cycle.But when using relatively thin flexible membrane, not only pacify in use process
It is limited to fill direction, and often will appear flexible membrane bending, accumulation, reduces effective heat dissipation area, it is high-power to be not suitable with manufacture
The problems such as radiator, seriously affects result of ventilating heat dissipation；And when using thicker strong fin, and greatly reduce effective heat dissipation
Area.
Summary of the invention
The technical problem to be solved by the present invention is both having made full use of thermally conductive diaphragm along the height of X, Y both direction of plane
Thermal coefficient characteristic, and guarantee there is biggish heat dissipation area, biggish thermal capacity, biggish air flow spaces and flexible heat sink
The structural stability of diaphragm.Realize big thermal capacity, high heat transfer radiating efficiency simultaneously, manufacturing process is simple, and production cost is low, can fit
Answer the purpose of high-power heat-dissipation.
In order to solve the above technical problems, technical solution proposed by the present invention is:
A kind of flexible membrane radiator, which is characterized in that the flexible membrane radiator by thermally conductive diaphragm group, skeleton, every
It is formed from grid, thermally conductive diaphragm group is placed in skeleton, and isolated gate both ends are fixed on skeleton；The thermally conductive diaphragm group be by two panels and
The thermally conductive diaphragm of flexibility and two panels of the above small area and the flexible thermally conductive diaphragm of the above large area be staggered it is stacked, small area
A thickness side or two thickness sides after flexible thermally conductive diaphragm is stacked with the thermally conductive diaphragm of flexibility of large area are aligned and polish
It forms, heat source is close in the thickness side polished, Chong Die with the flexible heat conducting film piece of large area in the thermally conductive diaphragm of flexibility of small area
Air gap layer is formed between the thermally conductive diaphragm of each large area flexible of the outer portion in face, the thermally conductive diaphragm of flexibility is along plane
X, the thermal coefficient of Y both direction is that 1.3 times of thermal coefficient or more of anisotropy of flexible thermally conductive diaphragm section Z-direction is soft
Property thermally conductive diaphragm, clamping through-hole is equipped on the thickness direction of thermally conductive diaphragm group；The skeleton is made of clamping plate and fastener,
The clamping plate be the area of the thermally conductive diaphragm of flexibility of area and shape made of hard plate material and large area it is comparable be located at lead
The thin plate of the two sides in film group both heights face, the thickness direction of skeleton are equipped with corresponding with the clamping through-hole of thermally conductive diaphragm group
Through-hole；The isolated gate is equipped with and the corresponding number of slider of air gap layer, slider on hard bar shaped plate
It is interspersed in each air gap layer, the flexible heat conducting film piece faying surface of the thermally conductive diaphragm of flexibility of small area and large area is external
The thermally conductive diaphragm of each large area flexible divided is kept apart, and the both ends of the bar shaped plate of isolated gate are fixed on the outer end of the clamping plate of skeleton
Portion.The heat-conducting glue or place mat of high thermal conductivity can be smeared when installing and using between the thermally conductive diaphragm group thickness side polished and heat source
Elastic high thermal conductivity gasket.Isolated gate is not only stable between each flexible heat conducting film the isolation positioning action of flexible thermally conductive diaphragm
Airspace, guarantee that flexible heat conducting film does not bend, do not accumulate and heat dissipation effect, but also the installation direction of radiator can be made not
It is restricted, isolated gate can be one group and be also possible to arranged for interval multiple groups.The thermally conductive diaphragm of flexibility of the small area, large area
Flexible thermally conductive diaphragm can be one layer, be also possible to multilayer, can be a kind of thickness, is also possible to different-thickness.Small area
The thermally conductive diaphragm of each large area flexible of the outer portion of flexible thermally conductive diaphragm and the flexible heat conducting film piece faying surface of large area can be
Line of radiation shape, it is radial to be also possible to arc, can also be vortex shape.
A kind of above-mentioned flexible membrane radiator, selectable technical solution are that the clamping plate of the skeleton corresponds to small
The part of the flexible thermally conductive diaphragm of area is flat shape, thermally conductive corresponding to the thermally conductive diaphragm of flexibility of small area and the flexibility of large area
The clamping plate of the outer portion of diaphragm faying surface is the arcwall face being bent outwardly or fan-shaped surface shape；The hard stripe board of the isolated gate
It is the arc batten to heat transfer direction evagination.The program can greatly increase air circulation and heat-dissipating space.
A kind of above-mentioned flexible membrane radiator, selectable technical solution be, the thermally conductive diaphragm of flexibility of the small area,
The thermally conductive diaphragm of flexibility of large area and the clamping plate of skeleton are planar squares.The program is suitable for lesser installation space.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are the flexible heat conducting films of the small area
Piece is planar square, and the thermally conductive diaphragm of flexibility of large area and the clamping plate of skeleton are plane "convex" shaped or inverted "convex" shape.The party
Case can increase in the space utilization rate perpendicular to heat source face direction.
A kind of above-mentioned flexible membrane radiator, improved technical solution be, the thermally conductive diaphragm of flexibility of the small area and
Clamping plate corresponding to the flexible thermally conductive diaphragm portion of small area is planar square, corresponding to the thermally conductive diaphragm of flexibility of small area and big face
Part except long-pending flexible heat conducting film piece faying surface is the arcwall face being bent outwardly or fan-shaped surface shape.The program can make " convex "
The air flow spaces of font or the radiator of inverted "convex" shape structure are bigger.The inverted "convex" shape of this scheme can also evolve into
" mountain " shape or " grasp " shape.
A kind of above-mentioned flexible membrane radiator, selectable technical solution are that the thermally conductive diaphragm of flexibility is flexible stone
Ink film piece or Flexible graphene diaphragm or by flexible red copper, the thermally conductive diaphragm of flexible aluminium and soft graphite diaphragm, graphene diaphragm
Staggeredly stacked compound film sheet, the soft graphite diaphragm or Flexible graphene diaphragm are the films for doing the processing of surface anti-dropout
Piece.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are that the clamping plate of the skeleton is in correspondence
Clamping plate in the alignment flat surface grinding side of thermally conductive diaphragm group is equipped with support fixed plate, and support fixed plate is equipped with mounting hole.
A kind of above-mentioned flexible membrane radiator, improved technical solution are that the slider is by silk, needle, item bending
Ripple body, the bar shaped slider can also be on vertical bar be equipped with venthole.The program can improve result of ventilating heat dissipation.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are a thickness sides or two
The thermally conductive diaphragm group that a thickness side alignment polishes is that the thickness side alignment of two adjacent thickness sides polishes, another
Arc is worn into side or two adjacent thickness side alignment polish.The program can both realize different direction installation requirement, can also be real
Existing multiple radiators carry out recombinant installation.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are arranged by more than two thermally conductive diaphragm groups
Triangle or rectangular or circular radiator group are arranged into, heat source is close in a face of two alignment flat surface grindings of each thermally conductive diaphragm group,
Another face mutually towards the geometric center of radiator group, connection between each diaphragm using bolt or riveting or bonding connection,
Mountable centrifugal fan or heat carrier in the space of the geometric center of radiator.When using circular combination, small area it is soft
The thermally conductive diaphragm of each large area flexible of the outer portion of the thermally conductive diaphragm of property and the flexible heat conducting film piece faying surface of large area can be directly
Beta radiation shape, it is radial to be also possible to arc, can also be vortex shape.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are arranged by more than two thermally conductive diaphragm groups
Triangle or rectangular or circular radiator group are arranged into, heat source is close in a face of two alignment flat surface grindings of each thermally conductive diaphragm group,
Another is facing towards the outer circle side of radiator group, and connection between each diaphragm or between radiator is using bolt or riveting or viscous
Knot connects, mountable centrifugal fan or heat carrier in the space of the geometric center of radiator.The thermally conductive diaphragm of flexibility of small area
It can be line of radiation shape with the thermally conductive diaphragm of each large area flexible of the outer portion of the flexible heat conducting film piece faying surface of large area,
It is radial to can be arc, can also be vortex shape.
A kind of above-mentioned flexible membrane radiator, improved technical solution are that the clamping plate outer surface of the skeleton is with scattered
Hot fin or heat dissipation spur platform, to increase heat-conducting area, improvement heating conduction.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are the flexible heat conducting films of the small area
Piece, large area the thermally conductive diaphragm of flexibility be to be folded by planar diaphragm corrugated, being folded into bellows-like membrane is one or more layers,
Large area convoluted diaphragm and small area convoluted diaphragm are staggeredly stacked.
A kind of above-mentioned flexible membrane radiator, alternative technology scheme are to intersect the small of stacked arrangement when described
When the thermally conductive diaphragm of flexibility of area, the thermally conductive diaphragm of flexibility of large area are strip, two kinds of diaphragms cloth in 90 ° along its length
It sets, and a thickness side or two adjacent thickness sides alignment polish.
The utility model has the advantages that a kind of flexible membrane radiator of the invention, can not only install in any direction, guarantee flexible thermally conductive
Film does not bend, does not accumulate, and can be achieved at the same time that thermal capacity is big, heat transfer rate is fast, radiating efficiency is high, and manufacturing process is simple, raw
Produce effect at low cost.
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention:
Fig. 1 is three ends of of the invention a kind of large area diaphragm and clamping plate in the shape of a " convex ", clamping plate and large area diaphragm
The flexible membrane radiator schematic top plan view that portion is bent outwardly.
Fig. 2 is the left side view of Fig. 1.
Fig. 3 is one of the thermally conductive diaphragm of a kind of bar shaped large area flexible of the invention and the flexible thermally conductive diaphragm of bar shaped small area
The alignment of thickness side, the schematic diagram of two kinds of diaphragms arrangement in 90 ° along its length.
Fig. 4 is two of the thermally conductive diaphragm of a kind of bar shaped large area flexible of the invention and the flexible thermally conductive diaphragm of bar shaped small area
The alignment of thickness side, the schematic diagram of two kinds of diaphragms arrangement in 90 ° along its length.
Fig. 5 is a kind of flexible membrane heat dissipation device combination of two thickness side of multiple groups alignment of the invention into cylindrical heat-radiating device
The schematic diagram of group.
Fig. 6 is the thermally conductive diaphragm of flexible membrane radiator that of the invention a kind of large area diaphragm and clamping plate are in inverted "convex" shape
The layout drawing of group.
Specific embodiment
Embodiment 1: attached drawing 1, a kind of flexible membrane radiator shown in Fig. 2, by thermally conductive diaphragm group 10, skeleton 20, isolation
Grid 30 form, and thermally conductive diaphragm group 10 is placed in skeleton 20, and isolated gate 30 is fixed on skeleton 20；Thermally conductive diaphragm group 10 is by several
If the thermally conductive diaphragm 11 of flexibility of the rectangular small area of piece and the thermally conductive diaphragm 12 of flexibility of dry plate "convex" shaped large area are staggered folded
It sets, a thickness side a after the thermally conductive diaphragm 11 of flexibility of small area is combined with the thermally conductive diaphragm 12 of flexibility of large area is aligned mill
Flat, the thickness side polished is pasted with heat-conducting glue on 40 surface of integrated circuit, in the thermally conductive diaphragm 11 of the flexibility of small area and big face
Air gap layer is formed between the thermally conductive diaphragm of each large area flexible of the outer portion of long-pending thermally conductive 12 faying surface of diaphragm of flexibility, it is thermally conductive
It is 5 times of thermal coefficient of anisotropy of thermally conductive diaphragm section Z-direction that diaphragm, which is along the thermal coefficient of plane X, Y both direction,
Diaphragm.Skeleton 20 is made of clamping plate 21 and bolt 22, and clamping plate is that the flexibility of the area made of aluminium sheet material and large area is thermally conductive
The area and shape of the diaphragm 12 comparable thin plate positioned at thermally conductive 10 both heights surface side of diaphragm group are set on the thickness direction of skeleton 20
There is through-hole corresponding with the clamping through-hole of thermally conductive diaphragm group；Isolated gate 30 is to be equipped on bar shaped aluminium sheet 31 and air gap layer
Needle 32 is isolated in corresponding number of waveform, and isolation needle 32 is interspersed in each air gap layer, by the thermally conductive diaphragm of flexibility of small area
Keep apart with the thermally conductive diaphragm 12 of each large area flexible of the outer portion of the flexible heat conducting film piece faying surface of large area, isolated gate 30
The both ends of bar shaped aluminium sheet 31 are fixed on the outer end of the clamping plate 21 of skeleton 20.
It is a kind of thermally conductive diaphragm 12 of bar shaped large area flexible and the flexible thermally conductive diaphragm of bar shaped small area shown in embodiment 2: Fig. 3
The 11 flexible membrane heat exchangers being staggeredly stacked, the thickness side a alignment after being stacked, two kinds of diaphragms are in 90 ° along its length
Arrangement.40 be by the heat source that radiates in figure.
It is a kind of thermally conductive diaphragm 12 of bar shaped large area flexible and the flexible thermally conductive diaphragm of bar shaped small area shown in embodiment 3: Fig. 4
The 11 flexible membrane heat exchangers being staggeredly stacked, two thickness sides a, b after being stacked are aligned respectively, and two kinds of diaphragms are along its length
Arrangement in 90 °.40 be by the heat source that radiates in figure.
Be shown in embodiment 4: Fig. 5 it is a kind of by 8 group of two thickness side alignment flexible membrane heat dissipation device combination at cylinder
The schematic top plan view of radiator group.11 be the thermally conductive diaphragm of small area in figure, and 12 be large area heat conducting film, and 21 be clamping plate, and 31 be bone
The arc batten of frame, 32 be corrugated slider, and 41 be to be located at radiator group geometric center and heat source and radiator vertical side
The cylindrical heat carrier of contact.
Embodiment 5: Fig. 6 is a kind of heat conducting film of large area diaphragm and clamping plate in the flexible membrane radiator of inverted "convex" shape
Piece group layout drawing.11 be the thermally conductive diaphragm of small area in figure, and 12 be large area heat conducting film, the thickness side a alignment after being stacked,
And it is pasted with heat-conducting glue in the upper surface of integrated circuit 40.Two kinds of diaphragms arrangement in 90 ° along its length.This scheme fall " convex "
Font can also evolve into down " mountain " shape or " grasp " shape.
Although having been combined preferred embodiment describes the device of the invention, the present invention is not limited to as described herein
Concrete form, on the contrary, its object is to cover naturally fall into the scope of the invention that described claims limit
Various alternatives, remodeling, various characteristic elements recombinant and derivative Combination nova and equivalents.
Claims (13)
1. a kind of flexible membrane radiator, which is characterized in that the flexible membrane radiator is by thermally conductive diaphragm group, skeleton, isolation
Grid composition, thermally conductive diaphragm group are placed in skeleton, and isolated gate both ends are fixed on skeleton；The thermally conductive diaphragm group be by two panels and with
The thermally conductive diaphragm of flexibility and two panels of upper small area and the flexible thermally conductive diaphragm of the above large area be staggered it is stacked, small area it is soft
Property thermally conductive diaphragm it is stacked with the thermally conductive diaphragm of flexibility of large area after a thickness side or two thickness sides be aligned polish and
At heat source is close in the thickness side polished, in the flexible heat conducting film piece faying surface of the flexibility thermally conductive diaphragm and large area of small area
Outer portion the thermally conductive diaphragm of each large area flexible between form air gap layer, the thermally conductive diaphragm of flexibility be along plane X,
The thermal coefficient of Y both direction is 1.3 times of thermal coefficient or more of anisotropic flexible of flexible thermally conductive diaphragm section Z-direction
Thermally conductive diaphragm is equipped with clamping through-hole on the thickness direction of thermally conductive diaphragm group；The skeleton is made of clamping plate and fastener, institute
Area and the shape for stating the thermally conductive diaphragm of flexibility that clamping plate is area and large area made of hard plate material are comparable positioned at thermally conductive
The thin plate of the two sides in diaphragm group both heights face, the thickness direction of skeleton are equipped with corresponding with the clamping through-hole of thermally conductive diaphragm group
Through-hole；The isolated gate is to be equipped with to wear with the corresponding number of slider of air gap layer, slider on hard bar shaped plate
It is inserted in each air gap layer, by the outer portion of the thermally conductive diaphragm of flexibility of small area and the flexible heat conducting film piece faying surface of large area
The thermally conductive diaphragm of each large area flexible keep apart, the both ends of the bar shaped plate of isolated gate are fixed on the outer end of the clamping plate of skeleton.
2. a kind of flexible membrane radiator according to claim 1, which is characterized in that the clamping plate of the skeleton is corresponding to
The part of the flexible thermally conductive diaphragm of small area is flat shape, is led corresponding to the thermally conductive diaphragm of flexibility of small area and the flexibility of large area
The clamping plate of the outer portion of film faying surface is the arcwall face being bent outwardly or fan-shaped surface shape；The hard bar shaped of the isolated gate
Plate is the arc batten to heat transfer direction evagination.
3. a kind of flexible membrane radiator according to claim 1, which is characterized in that the flexible heat conducting film of the small area
The clamping plate of piece, the thermally conductive diaphragm of flexibility of large area and skeleton is planar square.
4. a kind of flexible membrane radiator according to claim 1, which is characterized in that the flexible heat conducting film of the small area
Piece is planar square, and the thermally conductive diaphragm of flexibility of large area and the clamping plate of skeleton are plane "convex" shaped or inverted "convex" shape or fall
" mountain " shape or " grasp " shape.
5. a kind of flexible membrane radiator according to claim 4, which is characterized in that the flexible heat conducting film of the small area
Piece and clamping plate corresponding to the flexible thermally conductive diaphragm portion of small area are planar squares, corresponding to small area the thermally conductive diaphragm of flexibility with
Part except the flexible heat conducting film piece faying surface of large area is the arcwall face being bent outwardly or fan-shaped surface shape.
6. a kind of flexible membrane radiator described according to claim 1 or 2 or 3 or 4 or 5, which is characterized in that the flexibility is led
Film be soft graphite diaphragm or Flexible graphene diaphragm or by flexible red copper, the thermally conductive diaphragm of aluminium and soft graphite diaphragm,
The compound film sheet that graphene diaphragm is staggeredly stacked, the soft graphite diaphragm or Flexible graphene diaphragm are to do surface anti-dropout
The diaphragm of processing.
7. a kind of flexible membrane radiator according to claim 6, which is characterized in that the clamping plate of the skeleton is in correspondence
Clamping plate in the alignment flat surface grinding side of thermally conductive diaphragm group is equipped with support fixed plate, and support fixed plate is equipped with mounting hole.
8. a kind of flexible membrane radiator according to claim 6, which is characterized in that the slider is by silk, needle, item
Curved ripple body, the bar shaped slider can also be is equipped with venthole on vertical bar.
9. a kind of flexible membrane radiator according to claim 6, which is characterized in that a thickness side or two
The thermally conductive diaphragm group that a thickness side alignment polishes is that the thickness side alignment of two adjacent thickness sides polishes, another
Arc is worn into thickness side or two adjacent thickness side alignment polish.
10. a kind of flexible membrane radiator according to claim 6, which is characterized in that by more than two thermally conductive diaphragm groups
It is arranged in triangle or rectangular or circular radiator group, heat is close in a face of two alignment flat surface grindings of each thermally conductive diaphragm group
Source, another face mutually towards the geometric center of radiator group or another facing towards the outer circle side of radiator group, each diaphragm
And the connection between each diaphragm group is using bolt or riveting or bonding connection.
11. a kind of flexible membrane radiator according to claim 6, which is characterized in that the clamping plate outer surface of the skeleton
With radiating fin or heat dissipation spur platform.
12. a kind of flexible membrane radiator according to claim 6, which is characterized in that the flexibility of the small area is thermally conductive
Diaphragm, large area the thermally conductive diaphragm of flexibility be that corrugated is folded by the thermally conductive diaphragm of planar flexible, the bellows-like membrane being folded into
It is one or more layers, large area convoluted diaphragm and small area convoluted diaphragm are staggeredly stacked.
13. a kind of flexible membrane radiator according to claim 6, which is characterized in that when the intersection stacked arrangement
When the thermally conductive diaphragm of flexibility of small area, the thermally conductive diaphragm of flexibility of large area are strip, two kinds of diaphragms are in 90 ° along its length
Arrangement, and a thickness side or two adjacent thickness sides alignment polish.
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| CN201821331079.6U CN208589434U (en) | 2018-08-17 | 2018-08-17 | A kind of flexible membrane radiator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766948A (en) * | 2018-08-17 | 2018-11-06 | 威海云山科技有限公司 | A kind of flexible membrane radiator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766948A (en) * | 2018-08-17 | 2018-11-06 | 威海云山科技有限公司 | A kind of flexible membrane radiator |
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