CN104315902A - Heat plate with aluminum silicate nonmetallic fiber felt liquid absorbing cores - Google Patents
Heat plate with aluminum silicate nonmetallic fiber felt liquid absorbing cores Download PDFInfo
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- CN104315902A CN104315902A CN201410526008.1A CN201410526008A CN104315902A CN 104315902 A CN104315902 A CN 104315902A CN 201410526008 A CN201410526008 A CN 201410526008A CN 104315902 A CN104315902 A CN 104315902A
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Abstract
The invention discloses a heat plate with aluminum silicate nonmetallic fiber felt liquid absorbing cores and belongs to the technical field of heat exchange equipment using intermediate heat transfer media or intermediate heat transfer bodies. The heat plate with the aluminum silicate nonmetallic fiber felt liquid absorbing cores provided by the invention comprises a sealed shell, a first nonmetallic fiber felt liquid absorbing core, a second nonmetallic fiber felt liquid absorbing core, a supporting frame and a heat conducting liquid working medium, wherein the supporting frame, the first nonmetallic fiber felt liquid absorbing core and the second nonmetallic fiber felt liquid absorbing core are installed in the sealed shell, and the internal part of the sealed shell is filled with the heat conducting liquid working medium. Compared with the prior art, the heat plate with the aluminum silicate nonmetallic fiber felt liquid absorbing cores has the advantages that the nonmetallic fiber felt liquid absorbing cores have better capillary force and penetration rate, the bonding strength and contact area between fibers are increased, a great amount of three-dimensional reticular porous structures are formed between the fibers, the porosity is high, the specific area is large, and the liquid backflow resistance is small; the backflow speed of the liquid working medium in the heat plate is favorably improved and the heat radiating performance of the heat plate is improved.
Description
Technical field
The invention belongs to the heat-exchange apparatus technical field utilizing intermediate heat medium or intermadiate thermal conductor, more particularly, belong to the hot plate that a kind of liquid-sucking core material is alumina silicate non-metallic fibers felt.
Background technology
Tabular hot plate of the prior art generally includes seal casinghousing, liquid-sucking core, heat-conducting work medium.Seal casinghousing is tabular hollow structure, and liquid-sucking core is welded on the inner surface of seal casinghousing.Its operation principle is: be perfused with heat-conducting work medium in the inner chamber of the sealing of seal casinghousing, by being arranged on the capillary absorption power absorption heat-conducting work medium of the liquid-sucking core of seal casinghousing inner chamber, when the heater element be connected with radiator works, the heat conduction produced is on radiator, and then the heat-conducting work medium in heated sealant housing cavity.Heat-conducting work medium heats up and gasifies, and absorbs heat, after heat-conducting work medium gasification, distributed by heat, the heat-conducting work medium of gasification changes into again liquid heat-conducting work medium, the conversion and cycle process again to liquid phase from liquid phase to gas phase, constantly heat is distributed, thus realize the object of heat radiation.
In the hot plate course of work of prior art, liquid working substance carburation by evaporation when one end of seal casinghousing is heated in plate body, steam flows to other end releasing heat and condenses into liquid under small pressure reduction, and liquid flows back to evaporation ends in the capillary attraction effect of dependence liquid-sucking core capillary structure; Circulate and so forth, heat can efficiently be gone out by Hotplate emanation.Prior art liquid-sucking core mainly comprises screen mesh type liquid-sucking core, groove-shaped liquid-sucking core and powder sintering type liquid-sucking core.
Screen mesh type liquid-sucking core can obtain very high heat transfer property, but manufacturing process Repeatability is poor.
Groove-shaped liquid-sucking core has the little advantage of conduit liquid flowing resistance, but the shortcoming such as its capillary head is less, and heat output is little, and its to gash depth and width requirement very high, the directionality of hot plate is very strong; When large bending appears in groove time, the heat transfer property of hot plate declines to a great extent, antigravity poor performance, and its processing technology is complicated.
The advantages such as powder sintering type liquid-sucking core has larger capillary suction force, and heat output is large, but the contradiction having that while capillary pressure improves, liquid backflow resistance increases; Powder sintering type liquid-sucking core porosity is low and can not control, liquid backflow resistance is large, and liquid sucting core structure easily damages, and sinter layer is thicker and cause thermal resistance larger.
Summary of the invention
The present invention, in order to solve above technical problem, gives a kind of hot plate of non-metallic fibers felt liquid-sucking core.
The hot plate of a kind of non-metallic fibers felt liquid-sucking core of the present invention, it is characterized in that: comprise seal casinghousing, the first non-metallic fibers felt liquid-sucking core, the second non-metallic fibers felt liquid-sucking core, bracing frame and heat-conducting liquid working medium, support frame as described above, the first non-metallic fibers felt liquid-sucking core, the second non-metallic fibers felt liquid-sucking core are arranged on seal casinghousing inside, described seal casinghousing inside is perfused with heat-conducting liquid working medium, wherein:
Described seal casinghousing comprises the first cover plate, the second cover plate, housing; Described first cover plate, the second cover plate are composite plate; The main body of described first cover plate, the second cover plate is slab construction; Described first cover plate and the second cover plate all symmetrically brazing on housing;
The internal cavities of support frame as described above and described seal casinghousing adapts, and two sides of support frame as described above are uniform-distribution with supporting seat;
Described first non-metallic fibers felt liquid-sucking core is dispersed with the hole corresponding with the supporting seat of support frame as described above with on the second non-metallic fibers felt liquid-sucking core.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core are all non-metallic fibers felts that glass fibre makes.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core are all non-metallic fibers felts that alumina silicate fibre makes.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core are all non-metallic fibers felts that ceramic fibre makes.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core are all non-metallic fibers felts that asbestos fibre makes.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: the non-metallic fibers diameter in described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core is 0.001mm-0.01mm.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: the porosity of described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core is 30%-50%.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: described heat-conducting liquid working medium can be acetone, liquefied ammonia, R-134a or R600a.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: the first cover plate of described seal casinghousing and the second cover plate are all double layer composite board that the bi-material different by fusing point is made.
According to the hot plate of above-described non-metallic fibers felt liquid-sucking core, preferably: the layer of material of described two-layer compound aluminium alloy is silico-aluminum, another layer material is aluminium alloy or aluminium.
Heat-conducting work medium is perfused with in the closed cavity of the seal casinghousing in hot plate of the present invention, by being arranged on the capillary absorption power absorption heat-conducting work medium of the non-metallic fibers felt liquid-sucking core of seal casinghousing inner chamber, when the heater element be connected with hot plate works, the heat conduction of generation is to the some positions of hot plate thus the heat-conducting work medium heated in this position seal casinghousing inner chamber.The simultaneously stability of heat-conducting liquid working medium intensification gasification, in a large number from the heat of heater element, distributes heat to the low position of hot plate seal casinghousing temperature after the gasification of heat-conducting liquid working medium, and the heat-conducting liquid working medium of gasification changes into again liquid heat-conducting liquid working medium.The conversion and cycle process of heat-conducting liquid working medium again to liquid phase from liquid phase to gas phase, constantly distributes the heat come from heater element, and then reaches heat radiation object.
The present invention is compared with prior art: have good capillary force and permeability by the liquid-sucking core of non-metallic fibers felt, increase bond strength between fiber and fiber and contact area, define a large amount of three-dimensional netted loose structures between fiber, porosity is high and specific area large, liquid backflow resistance is little; Be conducive to improving the back-flow velocity of liquid working substance in hot plate and then improving the heat dispersion of hot plate.
Accompanying drawing explanation
Accompanying drawing 1A is the perspective view of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 1B is the overall structure schematic diagram of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 1C is the E-E directional profile schematic diagram of Figure 1B;
Accompanying drawing 1D is the F-F directional profile schematic diagram of Figure 1B;
Accompanying drawing 2A is the perspective view of hot plate second cover plate of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 2B is the planar structure schematic diagram of hot plate second cover plate of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 3A is the perspective view of hot plate first cover plate of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 3B is the planar structure schematic diagram of hot plate first cover plate of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 4A is the perspective view of the hot plate housing of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 4B is the floor map one of the hot plate housing of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 4C is the floor map two of the hot plate housing of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 5A is the perspective view of the hot plate second non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 5B is the planar structure schematic diagram of the hot plate second non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 6A is the perspective view of the hot plate first non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 6B is the planar structure schematic diagram of the hot plate first non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 7A is the perspective view of the hot plate bracing frame of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 7B is the floor map one of the hot plate bracing frame of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 7C is the floor map two of the hot plate bracing frame of non-metallic fibers felt liquid-sucking core of the present invention;
Accompanying drawing 8 is stereo structure Split type structure schematic diagrames of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention.
Detailed description of the invention
Figure 1A is the perspective view of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention; Figure 1B is the overall structure schematic diagram of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 1 C is the E-E directional profile schematic diagram of Figure 1B; Fig. 1 D is the F-F directional profile schematic diagram of Figure 1B.The hot plate of non-metallic fibers felt liquid-sucking core of the present invention is rectangular straight plate shape as seen from the figure, mainly comprise seal casinghousing, the first non-metallic fibers felt liquid-sucking core 5, second non-metallic fibers felt liquid-sucking core 6, bracing frame 4 and heat-conducting liquid working medium, support frame as described above 4, first non-metallic fibers felt liquid-sucking core 5, second non-metallic fibers felt liquid-sucking core 6 is arranged on the inside of seal casinghousing, seal casinghousing inside is perfused with heat-conducting liquid working medium, and seal casinghousing comprises the first cover plate 1, second cover plate 2, housing 3; First cover plate 1 and the second cover plate 2 are welded on housing 3, and the first cover plate 1 and the second cover plate 2 are as composite plate is to guarantee to weld together with housing 3; First cover plate 1 and the second cover plate 2 all symmetrically brazing on housing 3; The main body of the first cover plate 1 and the second cover plate 2 is slab construction, and the first cover plate 1 is corresponding with the hot plate overall dimensions of non-metallic fibers felt liquid-sucking core of the present invention with the size of the second cover plate 2; The size of bracing frame 8 adapts with the seal casinghousing internal cavities size be made up of the first cover plate 1, second cover plate 2, housing 3, and two sides of bracing frame 4 are uniform-distribution with supporting seat 8 alternately; First non-metallic fibers felt liquid-sucking core 5 and the size of the second non-metallic fibers felt liquid-sucking core 6 and the size of bracing frame 8 are consistent substantially, and the first non-metallic fibers felt liquid-sucking core 5 and the second non-metallic fibers felt liquid-sucking core 6 are dispersed with the hole corresponding with the some supporting seats 8 on bracing frame 4.
Fig. 1 C is the E-E directional profile schematic diagram of Figure 1B; The hot plate internal structure being equipped with and being made up of the first non-metallic fibers felt liquid-sucking core 5, second non-metallic fibers felt liquid-sucking core 6, bracing frame 4 can be found out the seal casinghousing be made up of the first cover plate 1, second cover plate 2 and housing 3 from this view.
Fig. 1 D is the F-F directional profile schematic diagram of Figure 1B; Can find out that from this view the fill orifice 8 of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention and the first non-metallic fibers felt liquid-sucking core 5, second non-metallic fibers felt liquid-sucking core 6 of hot plate inside and bracing frame 4 are adjoining, the fill orifice 8 of hot plate is closed to be blocked to ensure that the seal casinghousing be made up of the first cover plate 1, second cover plate 2 and housing 3 has good sealing effectiveness.
Fig. 2 A is the perspective view of hot plate seal casinghousing second cover plate of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 2 B is the planar structure schematic diagram of hot plate seal casinghousing second cover plate of non-metallic fibers felt liquid-sucking core of the present invention.Fig. 3 A is the perspective view of hot plate seal casinghousing first cover plate of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 3 B is the planar structure schematic diagram of hot plate seal casinghousing first cover plate of non-metallic fibers felt liquid-sucking core of the present invention.
First cover plate 1 and the second cover plate 2 are all double layer composite board that the bi-material different by fusing point is made; The layer of material of two-layer compound aluminium alloy is silico-aluminum, another layer material is aluminium alloy or aluminium.The size and dimension of the first cover plate 1 and the second cover plate 2 is corresponding, the function of the first cover plate 1 and the second cover plate 2 ensures that the heat of hot plate inside can be dispersed in the external world effectively, first cover plate 1 and the second cover plate 2 are provided with usually fin, and that come heat inner from hot plate pass to fin by the first cover plate 1 and the second cover plate 2 after fin distribute heat to again air, be effectively dispersed into enable the heat of hot plate inside and extraneously then require that the thickness of the first cover plate 1 and the second cover plate 2 can be thinner as far as possible.
Fig. 4 A is the perspective view of the hot plate seal casinghousing housing of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 4 B is the floor map one of the hot plate seal casinghousing housing of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 4 C is the floor map two of the hot plate seal casinghousing housing of non-metallic fibers felt liquid-sucking core of the present invention; The housing 3 of the hot plate seal casinghousing of non-metallic fibers felt liquid-sucking core of the present invention is rectangle frame, an edge of the housing 3 of rectangle has one for installing the rectangle column of fill orifice 8, the rectangle column of an edge of housing 3 has a fill orifice 8, and this fill orifice 8 for pouring into heat-conducting liquid working medium in hot plate.When the hot plate of non-metallic fibers felt liquid-sucking core of the present invention is in using state, in order to ensure that heat-conducting liquid working medium is not volatilized away from hot plate, the fill orifice 8 of hot plate must be closed to ensure that hot plate has sealed cavity.
Fig. 5 A is the perspective view of the hot plate second non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 5 B is the planar structure schematic diagram of the hot plate second non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention; Second non-metallic fibers felt liquid-sucking core 6 is combined together with the side of bracing frame 4, and the second non-metallic fibers felt liquid-sucking core 6 is being installed near the side of the second cover plate 2, and the hole on the second non-metallic fibers felt liquid-sucking core 6 is corresponding with the supporting seat 8 on bracing frame 4.
Second non-metallic fibers felt liquid-sucking core 6 can be the metal fiber felt that glass fibre makes, the non-metallic fibers felt that glass fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Glass fiber diameter in second non-metallic fibers felt liquid-sucking core 6 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that glass mat has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of glass mat.Glass fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along glass fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
Second non-metallic fibers felt liquid-sucking core 6 can be the metal fiber felt that alumina silicate fibre makes, the non-metallic fibers felt that alumina silicate fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Alumina silicate fibre diameter in second non-metallic fibers felt liquid-sucking core 6 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that alumina silicate fiber felt has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of alumina silicate fiber felt.Alumina silicate fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along alumina silicate fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
Second non-metallic fibers felt liquid-sucking core 6 can be the metal fiber felt that ceramic fibre makes, the non-metallic fibers felt that ceramic fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Ceramic fibre diameter in second non-metallic fibers felt liquid-sucking core 6 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that ceramic fiber blanket has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of ceramic fiber blanket.Ceramic fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along ceramic fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
Second non-metallic fibers felt liquid-sucking core 6 can be the metal fiber felt that asbestos fibre makes, the non-metallic fibers felt that asbestos fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Asbestos fibre diameter in second non-metallic fibers felt liquid-sucking core 6 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that asbestos fibre felt has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of asbestos fibre felt.Asbestos fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along asbestos fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
Fig. 6 A is the perspective view of the hot plate first non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 6 B is the planar structure schematic diagram of the hot plate first non-metallic fibers felt liquid-sucking core of non-metallic fibers felt liquid-sucking core of the present invention.First non-metallic fibers felt liquid-sucking core 5 is arranged on and bracing frame 4 opposite side being installed with the second non-metallic fibers felt liquid-sucking core 6, first non-metallic fibers felt liquid-sucking core 5 is being installed near the side of the first cover plate 1, and the hole on the first non-metallic fibers felt liquid-sucking core 5 is corresponding with the supporting seat 8 on bracing frame 4.
First non-metallic fibers felt liquid-sucking core 5 can be the metal fiber felt that glass fibre makes, the non-metallic fibers felt that glass fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Glass fiber diameter in first non-metallic fibers felt liquid-sucking core 5 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that glass mat has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of glass mat.Glass fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along glass fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
First non-metallic fibers felt liquid-sucking core 5 can be the metal fiber felt that alumina silicate fibre makes, the non-metallic fibers felt that alumina silicate fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Alumina silicate fibre diameter in first non-metallic fibers felt liquid-sucking core 5 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that alumina silicate fiber felt has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of alumina silicate fiber felt.Alumina silicate fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along alumina silicate fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
First non-metallic fibers felt liquid-sucking core 5 can be the metal fiber felt that ceramic fibre makes, the non-metallic fibers felt that ceramic fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Ceramic fibre diameter in first non-metallic fibers felt liquid-sucking core 5 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that ceramic fiber blanket has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of ceramic fiber blanket.Ceramic fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along ceramic fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
First non-metallic fibers felt liquid-sucking core 5 can be the metal fiber felt that asbestos fibre makes, the non-metallic fibers felt that asbestos fibre makes have higher resistance to elevated temperatures, can the excellent characteristic such as corrosion-resistant, good heat conductivity, therefore the manufacture craft requirement of hot plate can be ensured.
Asbestos fibre diameter in first non-metallic fibers felt liquid-sucking core 5 is 0.001mm-0.01mm, the voidage of the first non-metallic fibers felt liquid-sucking core 5 is 30%-50%, and such voidage can ensure that asbestos fibre felt has higher suction capacity when absorption heat-conducting liquid working medium, heat-conducting liquid working medium can be full of asbestos fibre felt.Asbestos fibre great majority are vertically staggered at three-dimensional, are convenient to heat-conducting liquid working medium and flow back to heat absorbing end bottom hot plate along asbestos fibre, ensure that liquid-sucking core has good liquid adsorption effect simultaneously.
Fig. 7 A is the perspective view of the hot plate bracing frame of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 7 B is the floor map one of the hot plate bracing frame of non-metallic fibers felt liquid-sucking core of the present invention; Fig. 7 C is the floor map two of the hot plate bracing frame of non-metallic fibers felt liquid-sucking core of the present invention.
Some supporting seats 8 that is interspersed on the bracing frame 4 of hot plate of the present invention, in order to ensure the stable performance of its inside in hot plate course of normal operation, need supporting base 8 to be directly connected with the second cover plate 2 with the first cover plate 1, the supporting seat 8 on bracing frame 4 directly welds together with the first cover plate 1 and the second cover plate 2.
Because seal casinghousing cross-span seal casinghousing sidewall that is comparatively large and that be made up of the first cover plate 1 and the second cover plate 2 is thinner, need when pouring into heat-conducting liquid working medium in seal casinghousing to implement vacuum pumping to seal casinghousing, can reduce and then cause seal casinghousing to be out of shape to seal casinghousing air pressure inside during seal casinghousing enforcement vacuum pumping, and the gas pressure produced during heat-conducting liquid working medium evaporation gasification can cause seal casinghousing to produce distortion equally, the fin installed due to the outer surface of seal casinghousing in addition also can cause seal casinghousing to produce distortion, have a strong impact on the normal work of hot plate.
On the first cover plate 1 that supporting seat 8 on bracing frame 4 in hot plate seal casinghousing of the present invention is fixedly connected on seal casinghousing and the second cover plate 2 inner surface, bracing frame 8 has support and connection effect in seal casinghousing inside to seal casinghousing, can prevent seal casinghousing stress deformation.Hot plate of the present invention is in order to reach better heat-sinking capability, need the area of dissipation increasing seal casinghousing, and alleviate the weight of hot plate entirety in order to the installing space that reduces hot plate, need while the area of dissipation increasing seal casinghousing, reduce the thickness of seal casinghousing, at the seal casinghousing inner chamber of radiator, an independent support frame 8 is installed and can reaches this technique effect.
First cover plate 1 and the second cover plate 2 are all the double layer composite board that the bi-material different by fusing point is made, and the low-melting layer of material of the first cover plate 1 and the low-melting layer of material of the second cover plate 2 are all arranged on closed inner chamber side; First cover plate 1, second cover plate 2 is welded to connect in process with bracing frame 8, supporting seat 8 on bracing frame 4 and the low-melting layer of material of the first cover plate 1 and the low-melting layer of material of the second cover plate 2 are directly welded to connect, and the highest welding temperature in welding process can not reach the fusing point of the high layer of material of bracing frame 4, first cover plate 1 fusing point and the high layer of material of the second cover plate 2 fusing point.The layer of material of the first cover plate 1 of two-layer compound aluminium alloy is silico-aluminum, another layer material is aluminium alloy or aluminium; The layer of material of the second cover plate 2 of two-layer compound aluminium alloy is silico-aluminum, another layer material is aluminium alloy or aluminium.The fusing point of silico-aluminum is lower than the fusing point of aluminium alloy or fine aluminium, the low-melting layer of material of first cover plate 1 and the low-melting layer of material of the second cover plate 2 can be silico-aluminums, and the layer of material that the first cover plate 1 fusing point is high and the high layer of material of the second cover plate 2 fusing point can be aluminium alloy or fine aluminium.
Fig. 8 is the stereo structure Split type structure schematic diagram of the hot plate of non-metallic fibers felt liquid-sucking core of the present invention, the hot plate of non-metallic fibers felt liquid-sucking core of the present invention mainly comprises the first cover plate 1, second cover plate 2, housing 3, first non-metallic fibers felt liquid-sucking core 5, second non-metallic fibers felt liquid-sucking core 6, bracing frame 4 and heat-conducting liquid working medium as seen from Figure 8, and the first cover plate 1, second cover plate 2 and housing 3 form seal casinghousing; Bracing frame 4, first non-metallic fibers felt liquid-sucking core 5 and the second non-metallic fibers felt liquid-sucking core 6 are arranged on the inside of seal casinghousing;
First cover plate 1 and the second cover plate 2 are welded on housing 3, and the first cover plate 1 and the second cover plate 2 are as composite plate is to guarantee to weld together with housing 3; First cover plate 1 and the second cover plate 2 all symmetrically brazing on housing 3; The main body of the first cover plate 1 and the second cover plate 2 is slab construction, and the first cover plate 1 is corresponding with hot plate overall dimensions with the size of the second cover plate 2; The size of bracing frame 8 adapts with the seal casinghousing internal cavities size be made up of the first cover plate 1, second cover plate 2, housing 3, and two sides of bracing frame 4 are uniform-distribution with supporting seat 8 alternately; First non-metallic fibers felt liquid-sucking core 5 and the size of the second non-metallic fibers felt liquid-sucking core 6 and the size of bracing frame 8 are consistent substantially, and the first non-metallic fibers felt liquid-sucking core 5 and the second non-metallic fibers felt liquid-sucking core 6 are dispersed with the hole corresponding with the some supporting seats 8 on bracing frame 4.
Heat-conducting liquid working medium can be acetone, liquefied ammonia, R-134a or R600a, also can be the liquid working substances such as water, ethanol, ether.
Claims (1)
1. the hot plate of an alumina silicate non-metallic fibers felt liquid-sucking core, it is characterized in that: comprise seal casinghousing, the first non-metallic fibers felt liquid-sucking core, the second non-metallic fibers felt liquid-sucking core, bracing frame and heat-conducting liquid working medium, support frame as described above, the first non-metallic fibers felt liquid-sucking core, the second non-metallic fibers felt liquid-sucking core are arranged on seal casinghousing inside, described seal casinghousing inside is perfused with heat-conducting liquid working medium, wherein:
Described seal casinghousing comprises the first cover plate, the second cover plate, housing; Described first cover plate, the second cover plate are composite plate; The main body of described first cover plate, the second cover plate is slab construction; Described first cover plate and the second cover plate all symmetrically brazing on housing;
The internal cavities of support frame as described above and described seal casinghousing adapts, and two sides of support frame as described above are uniform-distribution with supporting seat;
Described first non-metallic fibers felt liquid-sucking core is dispersed with the hole corresponding with the supporting seat of support frame as described above with on the second non-metallic fibers felt liquid-sucking core;
Described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core are all non-metallic fibers felts that alumina silicate fibre makes;
First cover plate of described seal casinghousing and the second cover plate are all double layer composite board that the bi-material different by fusing point is made; The low-melting layer of material of described first cover plate and the low-melting layer of material of described second cover plate are all arranged on the closed inner chamber side of described seal casinghousing; Low-melting another layer material that layer of material is silico-aluminum, fusing point is high of described double layer composite board is aluminium alloy or aluminium;
Non-metallic fibers diameter in described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core is 0.001mm-0.01mm;
The porosity of described first non-metallic fibers felt liquid-sucking core and the second non-metallic fibers felt liquid-sucking core is 30%-50%;
Described heat-conducting liquid working medium can be acetone, liquefied ammonia, R-134a or R600a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526008.1A CN104315902A (en) | 2012-10-21 | 2012-10-21 | Heat plate with aluminum silicate nonmetallic fiber felt liquid absorbing cores |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410526008.1A CN104315902A (en) | 2012-10-21 | 2012-10-21 | Heat plate with aluminum silicate nonmetallic fiber felt liquid absorbing cores |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104240556A Division CN103134364A (en) | 2012-10-21 | 2012-10-21 | Hot plate of nonmetal fibrofelt imbibing cores |
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| CN104315902A true CN104315902A (en) | 2015-01-28 |
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| CN111102865A (en) * | 2020-01-08 | 2020-05-05 | 安徽工业大学 | Metal-nonmetal composite capillary wick applied to loop heat pipe system and preparation method thereof |
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Application publication date: 20150128 |