CN104245304B - Heat conduction composite component based on expanded graphite - Google Patents
Heat conduction composite component based on expanded graphite Download PDFInfo
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- CN104245304B CN104245304B CN201380014311.7A CN201380014311A CN104245304B CN 104245304 B CN104245304 B CN 104245304B CN 201380014311 A CN201380014311 A CN 201380014311A CN 104245304 B CN104245304 B CN 104245304B
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- heat conduction
- composite component
- conduction composite
- mechanograph
- expanded graphite
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Abstract
The present invention relates to a kind of heat conduction composite component, described heat conduction composite component is particularly used in surface heating system or surface cooling system, and described heat conduction composite component includes at least one critical piece comprising expanded graphite and includes at least one smooth textile structural being arranged at least one face of described critical piece.At least one smooth textile structural described is connected to described critical piece by inorganic adhesive.
Description
Technical field
The present invention relates to a kind of heat conduction composite component based on expanded graphite, its manufacture method and application thereof.
Background technology
This heat conduction composite component be used as surface heating and surface cool down in, such as under floor, wall and ceiling heating
In heat conducting element, thus such as will be cooled down discharged nice and cool by surface or heated discharged heat by surface and be evenly distributed on
In surface and be discharged in the space surrounding described surface, thus it is achieved in comfortable indoor temperature.This compound unit
Part generally includes heat-conducting plate, the most such as, embed body such as coil pipe or swan-neck, and heat transfer medium can flow through described body.Can
Selection of land, it is also possible in the case of not embedding body, such as in the case of concrete core activates, wherein by heat conduction
Plate is arranged on below concrete floor, is provided with can flowing through in the case of the body of heat transfer medium, uses this heat-conducting plate.
In order to realize good heat distribution in surface, this heat-conducting plate generally comprises expanded graphite.Pass through native graphite
Expansion manufacture expanded graphite, first the intercalation compound of the most such as sulphuric acid is incorporated in graphite, the most in this way
The graphite processed expands 200 to 500 times because of heating.Known graphite comprises single graphene layer, and wherein carbon atom is the most common
Valency connects, and individually layer the most only Weak link.Due to this structure, so graphite has anisotropic character, in particular
Anisotropic thermal conductivity, wherein the thermal conductivity in the plane of graphite linings is more than on perpendicular direction.Expanding
Afterwards, again by graphite compress, but be compressed to compared with begin low density density, thus the graphene layer in graphite preferably with pressure
Power affects and arranges on the direction that direction is vertical, and the single graphite aggregation formed during expanding mutually hooks, thus
Without the surface plate thus manufacturing self-supporting under conditions of binding agent.This plate has the height relevant to thermal conductivity respectively to different
Property also has high heat conductance in the plane or surface of described plate.It addition, expanded graphite is due to its high heat conductance and high porosity
And there is specific heat storage capacity.Due to its high heat conductance in the planes and its heat storage capacity, flow through heat transfer so being arranged on
This heat-conducting plate made on the body of medium such as swan-neck or serpentine pipe and by expanded graphite, the most still
Uniform heat distribution can be realized, and will enter to surround in its space to its hot uniform discharge supplied by body.
But, expanded graphite is the softest, and this existing heat-conducting plate being made up of expanded graphite has low-intensity and Low rigidity
Reason.Although these plates are self-supporting in theory, but it is not therefore without being suitable for building under conditions of additionally strengthening
Build field.
In order to improve the rigidity of the heat-conducting plate being made up of expanded graphite, it has been suggested that, should to expanded graphite add a kind of or
Multiple organic filler material.From the known following heat-conducting plate of such as DE10 2,009 055 442A1, it comprises graphite particle and moulds
That expects particle adds solid mixture, and wherein said graphite particle is preferably made up of expanded graphite.In order to realize enough rigidity, described
Mixture preferably comprises the plastic pellet such as polrvinyl chloride ion of such as 20 to 50 weight %.Due to organic filler material particle
Ratio high, so these heat-conducting plates have high fire load, but, this makes it for security reasons unsatisfactory.
Summary of the invention
Therefore the problem that the present invention specifically addresses is to provide a kind of tabular, heat conduction Constracture unit, and it has prominent heat
Conductance, the most in the planes, and has high intensity and other high rigidity, thus it can act as such as surface cooling and table
Face add hanker under such as floor, wall and ceiling add the heat conducting element hankered.
According to the present invention, by providing a kind of following heat conduction composite component to solve this problem, the compound unit of described heat conduction
Part includes at least one mechanograph comprising expanded graphite and additionally at least one is arranged on described mechanograph at least side
Textile fabric, at least one textile fabric wherein said is connected to described mechanograph by inorganic adhesive.
The program is based on making us unforeseeable discovery as follows: by textile fabric is adhered to mould based on expanded graphite
At least side of goods, in the condition of the organic filler material that such as such as must be added to expanded graphite without hardened material
Under, it is possible to the rigidity of the mechanograph of expanded graphite be made up is greatly improved.This is based on the fact that owing to being included in textile fabric
In the elasticity of fiber low and simultaneously hot strength high, it is possible to the bending resistance of mechanograph is greatly improved, because compound
Element is by during the effect of bending force, and the fiber in textile fabric is stressed effect, and owing to it is elastic low and stretching is strong
Degree height, expands so it absorbs bending force without notable.Because the rigidity of mechanograph is by molding based on expanded graphite
Textile fabric is provided thus to significantly improve, therefore in the situation of the heat conduction composite component according to the present invention at least side of product
Under, as directed, whereabouts expanded graphite can be saved and add the organic filler material with high fire load.Because except weaving is knitted
Thing is adhered to outside expanded graphite mechanograph, also uses the inorganic adhesive without fire load, therefore obtains following leading
Hot composite component, it does not have fire load or may only have low-down fire load.It addition, being combined according to the present invention
Element, due to the expanded graphite that comprises in mechanograph and the feature with prominent thermal conductivity, the most in the planes, and due to swollen
Density that swollen graphite is relatively low and there is the feature of relatively low weight.Due to its low fire load, its most in the planes
Prominent thermal conductivity, its high intensity, its low weight and its huge rigidity, the composite component according to the present invention is the suitableeest
Share and make such as surface cooling and surface is heated under such as floor, wall and ceiling add the heat conducting element hankered.
Textile fabric in the intended scope of the present invention is to wrap fibrous all fabrics.
As mentioned, it is particularly suitable for surface cooling according to the heat conducting element of the present invention or surface adds and hankers, especially
Such as under floor, wall or ceiling add and hanker.To this end, include body according to the composite component of the present invention, according to the present invention's
Preferred implementation, heat transfer medium, i.e. add thermal medium or cooling medium, flow through described body, described body is preferably embedded into described
At least one comprises in the mechanograph of expanded graphite.The most described body can partially or completely embed at least one bag
In mechanograph containing expanded graphite, but the most preferred described body is completely and at least basic placed in the middle embed at least one and comprise swollen
In the mechanograph of swollen graphite.If described composite component includes multiple mechanograph comprising expanded graphite, such as two such
Mechanograph, the most described body such as can also embed between two mechanographs, and this can due to the high-compressibility of expanded graphite
Realize, such as, wherein body is arranged between two mechanographs comprising expanded graphite, then to the knot manufactured in this way
Structure is suppressed, thus is compressed the expanded graphite comprised in the molded part, is embedded by the most described body described
In expanded graphite.
Described body can respectively be conventionally used for surface cooling and surface adds the body hankered, such as with bending or spiral
The body of shape design.Unrelated with the detailed description of the invention of described body, surround in mechanograph or multiple mechanograph of body
One comprises two holes, and the entrance of body one end is served as in a hole, and the outlet of the body other end is served as in another hole.
In order to realize good thermal conductivity between body and the expanded graphite of at least one mechanograph, as the present invention's
The development of basic concept and propose, described body should be made up of plastics, pottery, graphite or metal, and described metal is the most excellent
Elect copper as.
As it has been described above, described body is only optional, because of also can be the most embedding according to the composite component of the present invention
Enter under conditions of body for air-conditioning, such as, activate for concrete core, wherein composite component is arranged on concrete ground
Below plate, such as, it is provided with flowing through cooling or the body of heat transmission medium.
According to the present invention, at least one mechanograph described is connected to described textile fabric by inorganic adhesive, because nothing
Machine adhesive has the high adhesive tension of displaying but without fire load or the advantage only with low fire load.All known filling materials
Material can be used as inorganic filling material such as inorganic adhesive, and such as it is selected from following material: silicate, colloid silicic acid, phosphate,
Any mixture of two or more in oxide, sulfate, borate and above-mentioned adhesive type.
Such as, described inorganic adhesive is preferably arranged between mechanograph and textile fabric with following amount: 10 to
1000g/m2, particularly preferred 100 to 500g/m2, very particularly preferably 200 to 300g/m2, e.g., from about 250g/m2。
Particularly preferred result is obtained when described inorganic adhesive is geo-polymer and/or waterglass.Described geology is gathered
Compound is usually silicate-base adhesive, and described waterglass is solidification, unbodied and water miscible sodium, lithium and the silicic acid of potassium
The melt of salt, thus term geo-polymer includes waterglass.Waterglass is especially preferred for use in the present invention's in this case
Composite component, because it not only has the feature all on nearly all surface with high wettability, the most also has high-strength
Degree, high-fire resistance and the feature of quick-hardening.In addition, waterglass is relatively cheap.
As set forth above, at least one textile fabric is adhered at least one molding based on expanded graphite described
On at least side of product, hence it is evident that improve the rigidity of mechanograph.When at least one textile fabric described is knitted selected from non-woven fabrics, no wrinkle
Two or more of thing, woven fabric, braided fabric, knitting fabric, felt, paper, cardboard and above-mentioned fabrics kind apoplexy due to endogenous wind any
During mixture, realize this effect particularly well.As it has been described above, be understood to refer to comprise according to the textile fabric of the present invention
Any fabric of fiber, thus include paper and the cardboard comprising cellulose fibre.Especially, in woven fabric and the feelings of non-woven fabrics
Obtaining good result under condition, this is the reason being especially preferred as the textile fabric according to the present invention.
In principle, it is arranged on can comprise according to the textile fabric in the composite component of the present invention and is derived from the common skill in this area
The fiber of all material known to art personnel.Especially, use obtains good based on the textile fabric selected from following fiber
Result: glass fibre, carbon fiber, hemp, mineral fibres, cementitious coating mineral fibres structure, cellulose fibre and on
State any mixture of two or more in kinds of fibers.In this case, glass fibre, carbon fiber and mineral fibres
The hot strength prominent due to it but particularly preferred, simultaneously glass fibre due to its relatively low price but the most special
Preferably.
The other especially preferred embodiment of one according to the present invention, is included in according in the composite component of the present invention
At least one textile fabric described is fiber glass fabrics or non-woven fiberglass fabric.
It is included in according at least one textile fabric described in the composite component of the present invention preferably by having following length
Fiber make: 0.1 to 100mm, preferably 1 to 50mm, particularly preferred 5 to 20mm.
According to a kind of preferred implementation that the present invention is other, at least one textile fabric described is by having following diameter
Fiber is made: 1 to 100 μm, preferably 5 to 50 μm, particularly preferred 10 to 15 μm.
It is arranged on according to the molding based on expanded graphite of at least one in the composite component of the present invention to fully improve
The rigidity of product, proposes in the development of the basic concept of the present invention, and at least one textile fabric described has 0.1 to 1.0mm, excellent
Select 0.2 to 0.8mm, the thickness of particularly preferred 0.4 to 0.6mm.
In order to be used as heat conducting element, described in structure, at least one comprises expanded graphite the most in the form of a plate
Mechanograph, its decision is according to the form of the composite component of the present invention, and at least one textile fabric wherein said is arranged on described plate
On the upside of shape mechanograph and/or downside, i.e. on the face of one or two maximum being arranged on described mechanograph.
According to the present invention, comprise expanded graphite according at least one mechanograph of the composite component of the present invention, because it is special
It not, in surface or plane, there is good thermal conductivity, also there is specific heat storage capacity.Expansion within the scope of the present invention
Graphite is understood to mean, the graphite expanded compared with untreated native graphite.As it has been described above, pass through first to
Intercalation compound is during such as sulphuric acid is incorporated to graphite, the graphite expansion such as 200 to 500 that then will be processed in this way by heating
Times, then recompression is to the density less than initial density, manufactures this expanded graphite, thus thus the most bonding in interpolation
The planar modular product of self-supporting are manufactured under conditions of agent.Therefore, strictly, described expanded graphite is the expanded graphite of compression.
But, owing to the density of the expanded graphite of compression is less than the density of native graphite, so generally this graphite referred to as being expanded stone
Ink.
Especially, good knot is obtained when at least one mechanograph described comprises the expanded graphite having such as lower density
Really: 0.02 to 0.5g/cm3, preferably 0.04 to 0.3g/cm3, particularly preferred 0.05 to 0.2g/cm3.If the density of expanded graphite
The lowest, then can not show inherent strength, this refers to, the mechanograph being made from is the most unstable.On the other hand, if swollen
The density of swollen graphite is too big, and mechanograph the most therefrom can not be compressed.
Proposing as the development of basic concept of the present invention, at least one mechanograph described comprises and has following specific surface
The expanded graphite of weight: 100 to 4000g/cm2, preferably 350 to 3500g/cm2, particularly preferred 500 to 2000g/cm2。
According to a kind of embodiment very particularly preferably of the present invention, at least one mechanograph described is by expanded graphite system
Become, i.e. it does not contains other composition in addition to expanded graphite, thus the most also without there is the composition of high fire load such as
Organic filler material.
Mechanograph including at least expanded graphite has 8 to 80mm, preferably 10 to 50mm, the thickness of particularly preferred 12 to 25mm
Degree.
Especially, if comprising body according to the composite component of the present invention, then preferably have according to the composite component of the present invention
There are the mechanograph of two each self-contained expanded graphites, particularly preferred two mechanographs being made up of expanded graphite, pass through inorganic glue
Stick is connected with each other.The high-compressibility of expanded graphite refers to, by the body that can flow through heat transfer medium is arranged on two
Suppress between mechanograph and to consequent assembly, it is possible to easily body is embedded the expansion stone surrounding described body
Mo Zhong, wherein said body is preferably centrally located, and is i.e. arranged on the interface between two mechanographs.Bar preferably
Under part, it is preferred that textile fabric is arranged in two mechanographs on the side relative with body of each mechanograph, often
Described in the situation of kind, fabric is connected to described mechanograph by inorganic filling material.
According to a kind of preferred implementation that the present invention is other, according to the composite component of the present invention, there is edge-protected portion.
It is preferred for providing this edge-protected portion, mechanically damaged not only for the edge preventing composite component, especially also
It is to be affected to prevent composite component from being permeated by steam.During it uses, composite component is likely to be formed condensation, special
It not that, under conditions of lacking any this edge-protected portion, condensation can enter when there is quick and big variations in temperature
In the side of the one or more mechanograph, it may cause the less desirable loss of strength of expanded graphite.
On at least one side, edge of described composite component, the L-shaped being preferably made up of metal or plastics can be set
Element, the U-shaped element being preferably made up of metal or plastics and/or coating are using as edge-protected portion.These edge protection devices
One mechanograph or multiple mechanograph can be connected to by any way and preferably install or be adhered to described composite component,
The most in the later case, especially hydrophobic adhesive is used as adhesive, thus prevents steam from passing through it or they
Edge enters the one or more mechanograph.Such as, adhesive based on fluorine-containing propene acids material can serve as hydrophobicity
Adhesive.Although this organic adhesion agent has negligible fire load, but only needs to be used as edge with considerably less amount
Protection portion, thus its use means that total fire load of composite component is the most unchanged.
Alternatively, or in addition, also described composite component can be inserted or bonds into by metal and/or non-woven fabrics, particularly
In the framework that non-woven fiberglass or carbon cloth are made.Especially, in the case of above-mentioned alternative, except edge-protected it
Outward, sound insulation is also achieved.
It addition, one or more lateral surface of described composite component can be applied a layer to, be especially applied to described in extremely
Few a kind of textile fabric so that described composite component adapts to the requirement of client.The most modal coating material is
Paint, varnish, hydrophobicity product, fireproof agent etc..
The other theme of the present invention is to manufacture the heat conduction composite component according at least one in aforementioned claim
Method, described method comprises the steps:
I) first and second tabular prefabricated molds are provided, the wherein said each self-contained expanded graphite of two prefabricated molds, preferably by
Expanded graphite is made,
Ii) body that can flow through Transfer Medium is arranged on the upside of the first prefabricated molds and the second prefabricated molds downside it
Between,
Iii) in step ii) in the assembly that obtains suppress,
Wherein in step i), at least one textile fabric is applied to described prefabricated molds with in composite component subsequently
At least side that body is relative, and/or in step iii) after, at least one textile fabric is applied in step iii) in
The upside of the embodiment arrived and/or downside.
Mutually and it is connected, at this with the particularly preferred of at least one textile fabric described to realize described prefabricated molds
Proposing in the development of bright basic concept, the method according to the invention should be also to include in addition to those steps having been described above
The mode of following steps realizes:
A) inorganic adhesive is applied to the upper side and lower side of described first prefabricated molds,
B) textile fabric is applied to the upside with adhesive or the downside of the first prefabricated molds, and body is arranged on institute
State on the side relative with described textile fabric of the first prefabricated molds,
C) inorganic adhesive is applied to upside or the downside of described second prefabricated molds,
D) textile fabric is applied to the upside with adhesive or the downside of the second prefabricated molds,
E) the second prefabricated molds that will obtain in step d) is in its ventricumbent condition in side relative with described textile fabric
Under be arranged on the body of the assembly obtained in step b), and
F) structure obtained in step e) is suppressed.
In the above-described embodiment, preferably inorganic adhesive is applied in the way of full surface the corresponding of described prefabricated molds
Side.Prefabricated molds can be regarded as the mechanograph being made up of expanded graphite in this case, and wherein the density of expanded graphite is less than
The density of expanded graphite in final mechanograph.By the compacting of step f), prefabricated component is converted into final mechanograph.
Preferably being used for by prefabricated component in step b) and/or step c), it has two holes, and body one end is served as in a hole
Entrance, the outlet of the body other end is served as in another hole.Such as, this some holes can be with institute known to persons of ordinary skill in the art
There is mode, the most die-cut, introduce prefabricated component.
Especially, when two prefabricated molds being used in step i), it is thus achieved that good result, each prefabricated molds is by having
0.02 to 0.05g/cm3The expanded graphite of density is made.
According to a kind of preferred implementation that the present invention is other, processing step a) and c) in waterglass is used as inorganic glue
Stick.
Propose as the development of basic concept of the present invention, processing step b) and d) in each step in should be by nothing
Spin fibrous glass cloth and be used as described textile fabric.
In processing step f), preferably under the pressure of 0.02 to 5MPa, preferably 0.1 to 1MPa, described structure is pressed
System.
The other theme of the present invention is to add the heat conducting element described before in surface cooling or surface to hanker, preferably on ground
Under plate, wall or ceiling add the purposes hankered.And, described heat conduction composite component can be used in surface cooling and heater
Tool and equipment, such as photovoltaic cell, temperature chamber, the shell of power electronic devices, battery unit, especially comprise lithium ion battery
The set of cells of unit, is used for cooling down armarium, such as CT scanner and MRI scanner, for the most public vapour of motor vehicles
The air-conditioning of car, high capacity waggon etc., the air-conditioning in steamer and aircraft cabin, or the temperature control flume etc. in swimming pool.
Accompanying drawing explanation
Below with reference to drawings described below, by means of Advantageous embodiments, only by example, present invention is described, wherein
Accompanying drawing shows the schematic transverse section of the composite component according to exemplary embodiment of the invention.
Composite component 10 shown in accompanying drawing includes two mechanographs 12,12 ', and its each free expanded graphite is made, i.e. its
Other composition is not contained, particularly without organic filler material in addition to expanded graphite.In this case, said two molding
Product 12,12 ' are connected with each other by inorganic adhesive 14, and wherein for the sake of visually understanding, the adhesive layer 14 in accompanying drawing is painted
Prepare thick than its reality.And, the interface between two mechanographs 12,12 ', Curved body 16 it is embedding is set
Enter in two mechanographs 12,12 ', the most in the accompanying drawings, altogether show 6 windings 18,18 ' of body 16.Described body has
There is inner hollow structure and therefore, it is possible to there is the heat transfer medium flowing through it.On the upside of upper mechanograph 12 and at lower mechanograph
On the downside of 12 ', non-woven fiberglass cloth is set using as textile fabric 20,20 ' in each case, two of which weaving
Fabric 20,20 ' is connected to mechanograph 12,12 ' each via inorganic adhesive 14,14 '.In this case, for vision supernatant
Chu Qijian, adhesive layer 14 ' in accompanying drawing, 14 " therefore draw than its reality thick.
Detailed description of the invention
Below will by embodiment, present invention is described, the present invention is explained and is not intended to this by described embodiment
Invention.
Embodiment
Thering is provided two the tabular prefabricated molds being made up of expanded graphite, it each has 625 × 625mm2Surface area, 15mm
Thickness and 1000g/m2Specific surface weight.
In two prefabricated molds on the upper side and lower side of first, with the applied amount of every side 60g apply waterglass using as
Adhesive, is wherein used as this waterglass by the product manufactured by Merck.Thereafter, by by the glass fibre system with 13 μ m diameter
Become has 60g/m2What the non-woven fiberglass cloth of specific surface weight and 0.6mm thickness was applied to prefabricated molds is coated with adhesive
Both sides in side, carry out suppressing and make adhesive to be dried.
It addition, under conditions of 100g coating weight, above-mentioned product is applied in the upper side and lower side of the second prefabricated molds one
Side is using as adhesive, and then die-cut two holes in this prefabricated molds, the entrance and exit of the body of installation is served as in described hole.Its
After, by be made up of the glass fibre with 13 μ m diameter, there is 60g/m2Specific surface weight and the non-woven fibre of 0.6mm thickness
Glass cloth is applied to the side being coated with adhesive of prefabricated molds, carries out suppressing and make adhesive to be dried.
Then, Curved copper pipe body is arranged on the side relative with non-woven fiberglass cloth of the first prefabricated molds, so
After prefabricated molds is configured in its ventricumbent mode in side relative with described non-woven fiberglass cloth.Then this structure is existed
Pressing die goods are suppressed being inserted by pad in the way of Desired Height.Retention time is 5 in this case
To 10 seconds.
The composite component manufactured in this way is rigidity and does not have fire load.Each component of described composite component,
I.e. adhesive, graphite and non-woven fabrics is the most flammable with whole composite component or nonflammable.Especially, at 45mm diameter and
The sample of the composite component manufactured under conditions of 40mm to 60mm height, carries out heat treatment to it in batch-type furnace at 800 DEG C
Time burn.When being supported in the wood frame with 2cm net width, described composite component does not shows sag.
When composite component at plate center at 70.9cm2Surface on load 10kg time, measurable sag is only 2mm.
Comparative example
Manufacturing composite component in the way of as described in example 1 above, difference is not use waterglass adhesive, but makes
With organic adhesion agent, and use by expanded graphite and 20 weight % as the mixture of the particulate polyvinyl chloride of organic filler material
The prefabricated molds obtained.
In embodiment 1 in the case of illustrated dimension, the sample of the composite component manufactured in this way, when by it box
When stove carries out heat treatment at 800 DEG C, burn 26 seconds under naked light.
Reference numerals list
10 composite components
12, the 12 ' mechanograph being made up of expanded graphite
14,14 ', 14 " adhesive/adhesive layer
16 Curved bodys
18, the winding of 18 ' bodys
20,20 ' textile fabric
Claims (27)
1. a heat conduction composite component (10), described heat conduction composite component (10) adds for surface cooling or surface hankers, described
Heat conduction composite component (10) includes at least one mechanograph comprising expanded graphite (12,12 ') and at least one setting especially
Textile fabric (20,20 ') on described mechanograph (12,12 ') at least side, at least one textile fabric wherein said (20,
20 ') it is connected to described mechanograph (12,12 ') by inorganic adhesive.
Heat conduction composite component (10) the most according to claim 1,
It is characterized in that
The body (16) that can flow through heat transfer medium is embedded described at least one mechanograph comprising expanded graphite (12,12 ')
In.
Heat conduction composite component (10) the most according to claim 2,
It is characterized in that
With body (16) described in the shape design of bending or spiral.
4. according to the heat conduction composite component (10) described in any one in claims 1 to 3,
It is characterized in that
The most in the form of a plate structure described at least one comprise mechanograph (12,12 ') of expanded graphite, and described at least
A kind of textile fabric (20,20 ') is arranged on upside and/or the downside of tabular mechanograph (12,12 ').
5. according to the heat conduction composite component (10) described in any one in claims 1 to 3,
It is characterized in that
At least one mechanograph described (12,12 ') is containing such as the expanded graphite of lower density: 0.02 to 0.5g/cm3。
Heat conduction composite component (10) the most according to claim 5,
It is characterized in that
At least one mechanograph described (12,12 ') is containing such as the expanded graphite of lower density: 0.04 to 0.3g/cm3。
Heat conduction composite component (10) the most according to claim 5,
It is characterized in that
At least one mechanograph described (12,12 ') is containing such as the expanded graphite of lower density: 0.05 to 0.2g/cm3。
8. according to the heat conduction composite component (10) described in any one in claims 1 to 3,
It is characterized in that
At least one mechanograph described (12,12 ') comprises the expanded graphite with following specific surface weight: 100 to 4000g/cm2。
Heat conduction composite component (10) the most according to claim 8,
It is characterized in that
At least one mechanograph described (12,12 ') comprises the expanded graphite with following specific surface weight: 350 to 3500g/cm2。
Heat conduction composite component (10) the most according to claim 8,
It is characterized in that
At least one mechanograph described (12,12 ') comprises the expanded graphite with following specific surface weight: 500 to 2000g/cm2。
11. according to the heat conduction composite component (10) described in any one in claims 1 to 3,
It is characterized in that
It has by interconnective two mechanographs of inorganic adhesive (12,12 '), and said two mechanograph (12,12 ') is each
Free wxpansion graphite forms.
12. heat conduction composite components (10) according to claim 11,
It is characterized in that
The body (16) that can flow through heat transfer medium is embedded between said two mechanograph (12,12 ').
13. according to the heat conduction composite component (10) described in any one in claims 1 to 3,
It is characterized in that
It has edge-protected portion.
14. heat conduction composite components (10) according to claim 13,
It is characterized in that
On at least one side, edge of described composite component (10), l-shaped member, U-shaped component or coating are set using as institute
State edge-protected portion.
15. heat conduction composite components (10) according to claim 14,
It is characterized in that
Described l-shaped member is made up of metal or plastics.
16. heat conduction composite components (10) according to claim 14,
It is characterized in that
Described U-shaped component is made up of metal or plastics.
17. according to the heat conduction composite component (10) described in any one in claims 1 to 3,
It is characterized in that
It is inserted into or bonds in the framework being made up of metal and/or non-woven fabrics.
18. 1 kinds manufacture the method according to the heat conduction composite component (10) described in any one in claim 1～17, wherein will
The body (16) that can flow through heat transfer medium embeds in described at least one mechanograph comprising expanded graphite (12,12 '), described
Method comprises the steps:
I) first and second tabular prefabricated molds are provided, the wherein said each self-contained expanded graphite of two prefabricated molds,
Ii) body (16) that can flow through Transfer Medium is arranged on the upside of described first prefabricated molds and described second prefabricated molds
Downside between, and
Iii) in step ii) in the assembly that obtains suppress,
Wherein in step i), at least one textile fabric (20,20 ') is applied to described prefabricated molds with composite component subsequently
(10) at least side that described body (16) in is relative, and/or in step iii) after, by least one textile fabric (20,
20 ') be applied in step iii) in the upside of embodiment that obtains and/or downside.
19. methods according to claim 18,
It is characterized in that it also comprises the steps:
A) inorganic adhesive is applied to the upper side and lower side of described first prefabricated molds,
B) textile fabric (20 ') is applied to the upside with inorganic adhesive or the downside of described first prefabricated molds, and will pipe
Body (16) is arranged on the side relative with described textile fabric (20 ') of described first prefabricated molds,
C) inorganic adhesive is applied to upside or the downside of described second prefabricated molds,
D) textile fabric (20) is applied to the upside with inorganic adhesive or the downside of described second prefabricated molds,
E) the second prefabricated molds that will obtain in step d) is in its side ventricumbent condition relative with described textile fabric (20)
Under be arranged on the body (16) of the assembly obtained in step b), and
F) structure obtained in step e) is suppressed.
20. according to the method described in claim 18 or 19,
It is characterized in that
Under the pressure of 0.02 to 5MPa, the structure in step f) is suppressed.
21. methods according to claim 20,
It is characterized in that
Under the pressure of 0.1 to 1MPa, the structure in step f) is suppressed.
22. according to the purposes of the heat conduction composite component (10) described in any one in claim 1 to 17: for surface cooling or
Surface adds hankers, and for surface cooling and heated mechanical and equipment, is used for cooling down armarium, for the air-conditioning of motor vehicles,
Air-conditioning in steamer and aircraft cabin, or the temperature control flume in swimming pool.
The purposes of 23. heat conduction composite components (10) according to claim 22, being wherein used for surface heated purposes is to use
Under floor, the purposes of the heating of wall or ceiling.
The purposes of 24. heat conduction composite components (10) according to claim 22, wherein said machinery and equipment are photovoltaic electrics
Pond, temperature chamber, the shell of power electronic devices, battery unit.
The purposes of 25. heat conduction composite components (10) according to claim 24, wherein said battery unit be comprise lithium from
The set of cells of sub-battery unit.
The purposes of 26. heat conduction composite components (10) according to claim 22, wherein said armarium is CT scanner
And MRI scanner.
The purposes of 27. heat conduction composite components (10) according to claim 22, the air-conditioning of wherein said motor vehicles is public
Automobile, the air-conditioning of high capacity waggon altogether.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012204124A DE102012204124A1 (en) | 2012-03-15 | 2012-03-15 | Thermally conductive composite element based on expanded graphite |
| DE102012204124.9 | 2012-03-15 | ||
| PCT/EP2013/054273 WO2013135515A1 (en) | 2012-03-15 | 2013-03-04 | Thermally conductive composite element based on expanded graphite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104245304A CN104245304A (en) | 2014-12-24 |
| CN104245304B true CN104245304B (en) | 2016-11-30 |
Family
ID=
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| DE102009055442A1 (en) * | 2009-12-31 | 2011-07-07 | Sgl Carbon Se, 65203 | Graphite-containing plate comprises a solidified mixture of largely uniformly distributed graphite particles and plastic particles, where the graphite particles and plastic particles are distributed homogeneously into the mixture |
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| CN1683131A (en) * | 2004-04-16 | 2005-10-19 | Sgl碳股份公司 | Method for manufacture of shaped bodies of expanded graphite |
| CN101326406A (en) * | 2005-09-06 | 2008-12-17 | 格拉弗技术国际控股有限公司 | Flexible graphite flooring heat spreader |
| CN101134678A (en) * | 2006-05-04 | 2008-03-05 | Sgl碳股份公司 | High-temperature resistant composite material |
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