CN202587422U - Metal microcrystal heating sheet - Google Patents
Metal microcrystal heating sheet Download PDFInfo
- Publication number
- CN202587422U CN202587422U CN 201220129955 CN201220129955U CN202587422U CN 202587422 U CN202587422 U CN 202587422U CN 201220129955 CN201220129955 CN 201220129955 CN 201220129955 U CN201220129955 U CN 201220129955U CN 202587422 U CN202587422 U CN 202587422U
- Authority
- CN
- China
- Prior art keywords
- heating sheet
- heat
- composite ceramic
- metal
- multiphase composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Laminated Bodies (AREA)
- Surface Heating Bodies (AREA)
Abstract
The utility model provides a metal microcrystal heating sheet, which comprises a metal plate used as a cooling element, a layered glass ceramic base multiphase composite ceramic used as an insulating layer and a heat generating element. The metal plate used as the cooling element and the layered glass ceramic base multiphase composite ceramic used as the insulating layer are tightly combined together, the layered glass ceramic base multiphase composite ceramic used as the insulating layer and the heat generating element are tightly combined together, and the three are combined to form a layered structured heating sheet with a border. The metal microcrystal heating sheet is high in combination strength, strong in thermal shock resistance performance, long in service life and sensitive in temperature control; the metal microcrystal heating sheet can resist high temperature, can not be melted and has no electric leakage in a humid condition, and therefore the safety is greatly improved; and the metal microcrystal heating sheet has the advantages of even heating surface, little thermal inertia, quick heating speed, large heating area per unit volume, high power density, high thermal efficiency, flexible design of structural shape and power density, low production cost, and the metal microcrystal heating sheet is environmental friendly and energy saving.
Description
Technical field
The utility model relates to a kind of electric heat exchanger.
Background technology
Existing electric heat exchanger mainly contains tubulose electricity heat exchanger and sheet electricity heat exchanger; The heat exchange working face adopts metals such as aluminium and aluminium alloy, copper, stainless steel mostly; The tubulose electricity heat exchanger that has adopts cast aluminium to enlarge heat exchange area; The electric heat exchanger that also has utilizes the big graphite of conductive coefficient to enlarge heat exchange area, reaches the purpose that increases heat exchange efficiency.
There is following shortcoming in the electric heat exchanger of low temperature electricity field of heat exchangers in existing, and it is less that the electric heating tubular type adds the parallel operation heating surface (area) (HS, and the face heating is inhomogeneous; Local easy to be overheated, liquid heat exchange is scaling very easily, and volume is big; Thermal inertia is big; The temperature sensitive member reaction speed is relatively slow, and efficient is relatively low, because heat too concentrates the life-span short.
Existing sheet electricity heat exchanger working panel is owing to adopt common stainless steel mostly; Along with economic development; Increasing environmental pollution, but people are along with the requirement of social progress to food safety and sanitation improves day by day, and the decay resistance of common stainless steel is not ideal enough; Like 304 stainless steels commonly used, its spot corrosion index (PREN) has only 18.Especially stainless decay resistance raises along with temperature and descends, and therefore, for the stainless steel as electric heat exchanger heat radiation working face, the high-temperature corrosion resistance performance is extremely important.Common ferritic stainless steel is not ideal enough because of decay resistance, uses and is limited to; Common austenitic stainless steel thermal coefficient of expansion is bigger; Adopt the electric heating element of silk-screen printing technique moulding to combine with electrically conductive ink or electrocondution slurry, thermal shock resistance is poor, very easily damages because of voltage fluctuation and heating environment variation; And cost is high, and actual the popularization had a strong impact on; Common martensitic stain less steel then welding performance is poor, is processed into difficulty of electric heat exchanger working panel.
Summary of the invention
The utility model technical problem at first to be solved provides the metal crystallite heating sheet that a kind of performance is made better and more easily.For this reason; The utility model adopts following technical scheme: it comprises metallic plate as heat dissipation element, generates element as the laminated glazing pottery base multiphase composite ceramic and the heat of insulating barrier; Between the said metallic plate and said laminated glazing pottery base multiphase composite ceramic as heat dissipation element as insulating barrier, said laminated glazing pottery base multiphase composite ceramic and said heat as insulating barrier generates between the element and is closely linked, and is combined into the layer structure heating sheet that has frame.
The said laminated glazing pottery base multiphase composite ceramic lamination as insulating barrier of the utility model interior and/or outer peripherally partly or entirely be combined with said frame; Said frame is the single or multiple lift frame; The stack direction of said multilayer frame is parallel or vertical with the stack direction of layered glass ceramics base multiphase composite ceramic or become arbitrarily angled layout, and the material of processing said frame is metal and/or glass ceramics and/or pottery and/or composite material.
The said metallic plate as heat dissipation element of the utility model has flange, and said flange is that a part or the said frame of said frame is the part of said flange.
The said laminated glazing pottery as insulating barrier of the utility model is provided with frame; Adopt the layer structure of single form that correction has been arranged on performance than prior art; The laminated glazing pottery base multiphase composite ceramic that is provided with frame is according to said heating sheet all directions, the subregion difference to performance requirement, actual two or more different stratiform form that adopted in stack direction, layers of material composition, each layer combination.
The utility model generates the heating sheet that element is combined into the layer structure of band edge frame with said metallic plate, laminated glazing pottery base multiphase composite ceramic and heat.In fact this be similar to D braided composites, makes to the utlity model has comprehensive performance, and laminated glazing pottery base multiphase composite ceramic and metallic plate and heat generate between the element has better matching performance, and manufacture craft has obtained optimization.
The said metallic plate as heat dissipation element of the utility model is austenite ferrite type corrosion resistant plate or titanium plate or titanium alloy sheet.
The austenite ferrite type corrosion resistant plate that the utility model adopted is claimed the two-phase stainless steel plate again, has the superior corrosion resistance ability.Present food service industry is 18 as the spot corrosion index (PREN) of 304 corrosion resistant plates that heat dissipation element generally uses; And the stainless spot corrosion indexes of 2304 austenite ferrite types (PREN) >=24 of genus low side; Decay resistance has had and has significantly improved, especially the fine corrosion resistance under the heated condition.The spot corrosion indices P REN=% chromium (Cr) of said corrosion resistant plate+3.3% * molybdenum (Mo)+20 * % nitrogen (N) is an important indicator of expression pitting resistance of stainless steel.
The utility model adopts the stainless matrix of austenite ferrite type to have austenite and ferrite two phase constitutions (content of wherein looking younger is generally greater than 15%) concurrently; Being one type of stainless steel that can make its reinforcement through cold working, is the steel grade that integrates good corrosion-resistant, high strength and be easy to many excellent properties such as processing and manufacturing.Their physical property is between austenitic stainless steel and ferritic stainless steel.The relative austenitic stainless steel of their thermal coefficient of expansion is less, but generally greater than ferritic stainless steel.The austenite ferrite type corrosion resistant plate of the utility model and laminated glazing pottery base multiphase composite ceramic, heat generate element and have the thermal coefficient of expansion that is complementary, and bond strength is high, and thermal shock resistance improves greatly.
The utility model has improved the decay resistance under heated condition greatly owing to adopted the strong austenite ferrite type corrosion resistant plate of decay resistance, is of great importance for the safety and health request that improves heated food.
The utility model can adopt titanium plate or titanium alloy sheet as the metallic plate of heat dissipation element, and said titanium plate and titanium alloy sheet are a kind of good corrosion resistant metals.
The utility model is for reducing cost, and said metallic plate as heat dissipation element also can adopt composite metal plate.Said composite metal plate is that lower plane stacks the composite material through being welded on two kinds of different metallic plates.
The thermal coefficient of expansion of the said metallic plate as heat dissipation element of the utility model between 0～100 ℃ less than 15.5 * 10
-6/ ℃.
The said laminated glazing pottery base multiphase composite ceramic as insulating barrier of the utility model has adopted multiple enhancing Toughening Measures: a kind of or combination in any that following enhancing body is arranged in the said laminated glazing pottery base multiphase composite ceramic as insulating barrier: particle, whisker, fiber, sheet, silk, net, braid.The material that strengthens body can be metal and/or inorganic material; The Strengthening and Toughening mode that adopts is that particle dispersion is toughness reinforcing and/or crystal whisker toughened and/or fiber reinforced.To improve the intensity and the toughness of said glass ceramics base multiphase composite ceramic insulating barrier.
It is a kind of or combination in any in the following electric heating element that the said heat of the utility model generates element: the electric heating element of electrothermal alloy paillon foil and/or lectrothermal alloy wire; The electric heating element that electrothermal alloy powder and/or metallic resistance slurry form through sintering; The electric heating element that electrothermal alloy fiber and/or electrothermal alloy whisker and inorganic compound are composited; Has electric heating element from temperature controlling function; The semi-conductor electricity thermal element; The glass ceramics electric heating element; The ceramic electric heating element; The carbon film electric heating element; The carbon fiber electrically thermal element; The carbon crystal electrothermo element; The graphite electric heating element.
The said heat of the utility model generates the adoptable electrothermal alloy paillon foil of element or lectrothermal alloy wire is a kind of traditional electric heating element, has good toughness, and heat-resistant impact ability is strong, and the advantage that cost is low is widely used in traditional electrothermal device.
The said heat of the utility model generates the electric heating element of element as adopting the electrothermal alloy powder to adopt the silk-screen printing technique moulding to process through sintering with electrically conductive ink or electrocondution slurry form; Have the wiring advantage of design arrangement as required, satisfy various instructions for uses.
The utility model through pressure sintering make metallic plate with as between the laminated glazing of the insulating barrier pottery base multiphase composite ceramic, heat generate element with as having formed combining of chemistry and/or physics between the ceramic base multiphase composite ceramic of the laminated glazing of insulating barrier; In conjunction with mode element or the counterdiffusion of molecule phase are arranged and/or machinery is sealed and/or chemical bond combines, improved the interface bond strength of two kinds of storerooms of the utility model.
The laminated glazing pottery base multiphase composite ceramic of the utility model is embedded with temperature control component and/or temperature sensitive member, and said temperature control component generates element with said heat and directly is connected, and said temperature sensitive member and said heat generate element insulating.
When the plane of said metal crystallite heating sheet is the plane geometric shape of symmetry; The electrode that said heat generates element is the center by the plane geometry type heart with symmetry; Passing laminated glazing pottery base multiphase composite ceramic in the scope of diameter≤40mm directly is connected with power connector or passes through temperature control component and/or temperature sensitive member and/or indicator light and be connected with power connector; Said power connector one end is fixed on said as on the metallic plate of heat dissipation element and become the part of heat-proof device; Temperature control component and/or overtemperature protection element and/or temperature sensitive member are installed on this end of said power connector; The said power connector other end has the function of 360o rotation; Said power connector has 3-5 to electric contact, and the non-heat radiation working face of said metal crystallite heating sheet is in the scope of central diameter≤40mm temperature sensor to be installed with the plane geometry type heart of symmetry.
Non-heat radiation working face thermal insulation layer or sealant that the utility model adopts can be the material that is combined into one with the glass ceramics base multiphase composite ceramic.
The non-heat radiation working face of the utility model can adopt heat-insulating material as thermal insulation layer, can effectively reduce the thermal loss of non-heat radiation working face, improves the heat efficiency.
The said metallic plate as heat dissipation element of the utility model has single or a plurality of heat radiation working faces.
Owing on performance, material composition, adopt the technical matters of continuous transition very complicated; The utility model has adopted all directions, each subregional layer structure transition; Satisfy the specification requirement of heating sheet, because the utility model has adopted the layer structure of band edge frame, on making, simplified technology simultaneously; Reduce cost, had high cost performance.
Glass ceramics (glass-ceramic) claim devitrified glass, micro-crystalline ceramic again, is with parent glass, and one type that in heating process, makes through the control crystallization contains the polycrystalline solid material that a large amount of crystallites reach the residual glass phase mutually.Be a kind of novel heterogeneous material that is different from glass, pottery, have the premium properties of design as required.
The material of being made up of two or more thing phase is exactly a heterogeneous material, and the thing of indication has implication widely mutually here, and they can be similar, also can be inhomogeneous.Heterogeneous composite ceramics is the new material that is composited by two or more heterogeneous, special-shaped, different in nature material.It also is a kind of programmable heterogeneous material.
The said glass ceramics base multiphase composite ceramic of the utility model is a type of heterogeneous composite ceramics (multiphase composite ceramics), is to be matrix with the glass ceramics, adds that enhancing bluk recombinations such as various ceramic particles form.The said glass ceramics base multiphase composite ceramic of the utility model is the polycrystalline solid material that contains a large amount of crystallite phases, glassy phase and multiple ceramic crystal.
The utility model is for improving various performances; Layered glass ceramics base multiphase composite ceramic is added with pottery; Pottery generally enbrittles; For this reason, the utility model has adopted following comprehensive enhancing, Toughening Measures to improve thermal shock resistance to layered glass ceramics base multiphase composite ceramic: utilize pressure sintering to improve material compactness, eliminate the crack defect in the glass ceramics base multiphase composite ceramic body as far as possible; In the glass ceramics base multiphase composite ceramic, add and strengthen body like particle (nano particle and/or micron particles), whisker, fiber, silk, sheet, net and/or braid etc.; Strengthening and Toughening modes such as particle dispersion is toughness reinforcing and/or crystal whisker toughened and/or fiber reinforced have been adopted; Adopt the layer structure design of band edge frame.After mainly having taked above-mentioned measure; Between the said metallic plate and laminated glazing pottery base multiphase composite ceramic as heat dissipation element of the utility model, heat generates the bond strength height between element and the laminated glazing pottery base multiphase composite ceramic, thermal shock resistance is strong.
Each interlayer thermal coefficient of expansion that the utility model constitutes said laminated glazing pottery base multiphase composite ceramic as insulating barrier is complementary, and generates element with metallic plate, heat as heat dissipation element simultaneously and elements such as the temperature control that is provided with as required and/or temperature sense also have the thermal coefficient of expansion that is complementary.
Layered glass ceramics base multiphase composite ceramic and air contact portion can scribble the high-temperature insulation gasket coating; And infiltrate in the capillary porosity, glass ceramics base multiphase composite ceramic surface; Secluding air prevents that moisture content from infiltrating said glass ceramics base multiphase composite ceramic, makes it have moistureproof performance; Said high-temperature insulation gasket coating can be the organic or inorganic nonmetallic materials, like organosilicon, glaze or the like.
Said heat generates element can be provided with local weak link relatively, has local overheating from fuse function, plays the fuse effect of final self-destruction, avoids because of the overheated initiation serious accident of integral body.The relative weak link in said part is for heat generates the normal part of element; Design through structure, shape, material etc.; The local weak link relatively in one place or many places is set specially, and when other all temperature control, when overtemperature protection is broken down, said heat generation element the relative weak link in said part can at first occur and fuse because of local overheating; Play the fuse effect of final self-destruction, avoid because of the overheated initiation serious accident of integral body.
Described temperature sensitive member has output temperature induced signal and/or limit temperature and/or temperature adjustment and/or overheat protective function, and quantity has one or many.
Said temperature sensitive member can be for generating the conductor temperature sensing element that element is directly combined closely with said heat.With said heat generate element be combined into have heating, the electric-heating assembly of temperature controlled function, quantity can have one or more groups electric-heating assembly, said many group electric-heating assemblies are that inter-module series, parallel or connection in series-parallel mix connection.
Said temperature sensitive member also can be for generating PTC (positive temperature coefficient) temperature sensitive member that element is directly combined closely with said heat; Generate element with heat and be combined into the electric-heating assembly that has heating, limits temperature or overheat protective function; Quantity can have one or more groups electric-heating assembly, and said many group electric-heating assemblies are that inter-module series, parallel or connection in series-parallel mix connection.Utilize PTC (positive temperature coefficient) temperature sensitive member resistance to raise and increase and have the performance of switching characteristic, the heat generation element of the utility model is played the function of limit temperature or overtemperature protection with temperature.
Said temperature sensitive member also can adopt the temperature sensitive member that generates element insulating with said heat; Have the temperature sensor signal output function, in the utility model, can adopt metallic thermocouple temperature sensitive member and/or metal fever resistance temperature sensitive member and/or conductor temperature sensing element and/or temperature, pressure type temperature sensitive member and/or temperature deformation type temperature sensitive member etc.Export to control device through temperature sensor signal, the heat generation element of the utility model is played the effect of temperature control and/or overtemperature protection and/or temperature demonstration.
The utility model can have one or more heat radiation working faces as the metallic plate of heat dissipation element; The surface configuration of said metallic plate as the heat dissipation element working panel can be plane, curved surface etc., and profile can be square, circular, tubulose and other three-dimensional shape etc.
Simple manufacturing process and method are following: put the heterogeneous composite ceramics raw cook of compound glass ceramic base at described metal sheet surface; Part or all of glass ceramics base multiphase composite ceramic raw cook studs with frame; A slice glass ceramics base multiphase composite ceramic raw cook wherein is embedded with heat and generates element such as electrothermal alloy paillon foil or lectrothermal alloy wire etc.; In this process, through general degreasing, binder removal operation, (general pressure>=2.0MPa under pressure state;≤6.0 MPa); Through the one or many sintering, physical-chemical reaction takes place and form stratiform glass ceramics base multiphase composite ceramic, in sintering process; Be formed with chemistry and/or physical bond respectively; In conjunction with form mainly contain element or the counterdiffusion of molecule phase and/or machinery is sealed and/or chemical bond combines, the glass ceramics base multiphase composite ceramic respectively and between metallic plate, electrothermal alloy paillon foil or lectrothermal alloy wire and temperature control component, the temperature sensitive member strong bonded also be closely linked between each adjacent layer glass ceramics base multiphase composite ceramic together.
Said glass ceramics base multiphase composite ceramic raw cook is glass ceramics base multiphase composite ceramic slurry through curtain coating or rolls film or other moulding process is processed.
Because the utility model is employed in sintering under the pressure state, has reduced sintering temperature, has reduced the energy resource consumption of manufacture process simultaneously, has also improved product quality and qualification rate and production efficiency greatly, has reduced production cost, energy-saving and emission-reduction.
One or more heating work faces that the said metallic plate as heat dissipation element of the utility model itself can be exactly the container body of electrical heated appliance.
The technology that the utility model can be cast and the container body of low-melting-point metal combine, and process electrical heated appliance.
The utility model also can be respectively combines with the method for machinery, welding or bonding technology and the container body of electrical heated appliance, processes electrical heated appliance.
Owing to adopt the technical scheme of the utility model; Bond strength between each element such as the layered glass ceramics base multiphase composite ceramic of the utility model, the metallic plate as heat dissipation element, heat generation element, temperature sensitive member is high; Both had little, the heating surface advantage of uniform of novel sheet electric heater thermal inertia that occurs in recent years; The strong point that traditional electrical heat pipe-type heater heat-resistant impact ability is strong, cost is low is arranged again; The utility model temperature control simultaneously is highly sensitive, overtemperature protection is swift in response, long service life, has improved the food safety and sanitation performance greatly.And the utility model power density is big, and the heat efficiency is high, and the unit volume area of dissipation is big, and planform and power density design flexibility are big, do not consume heavy metal and noble metals such as non-ferrous metal, lead, environmental protection and energy saving.Middle low temperature field of electric heating at industry and household electrical appliance has wide practical use.
Description of drawings
Fig. 1 is the cutaway view of the metal crystallite heating sheet embodiment that the utility model provided.
Embodiment
With reference to accompanying drawing 1.What present embodiment provided is collar plate shape metal crystallite heating sheet; It comprises metallic plate 21; Sintering has the glass ceramics base multiphase composite ceramic that is made up of 4 layers of glass ceramics base multiphase composite ceramic insulating barrier 22-1,22-2,22-3,22-4 on the said metallic plate 21; Promptly be combined into axial stratiform, layered glass ceramics base multiphase composite ceramic has frame 22-3-1,22-4-1, and frame 22-3-1 is in the 22-3 periphery; Frame 22-4-1 is in the 22-4 periphery; Said metallic plate 21 has flange 21-1, and flange 21-1 has constituted the frame that is in outermost, thereby is combined into the radially stratiform frame of glass ceramics base multiphase composite ceramic insulating barrier with frame 22-3-1,22-4-1; Frame 22-3-1,22-4-1 are combined into the axial stratiform frame of glass ceramics base multiphase composite ceramic again, and 22-3 is embedded with the electrothermal alloy paillon foil 23 that generates element as heat.
Simple manufacturing process is following: (with reference to figure 1)
At the glass ceramics base multiphase composite ceramic raw cook of putting glass ceramics base multiphase composite ceramic 22-1,22-2,22-3,22-4 as the non-heat radiation working face of the metallic plate that has flange of heat dissipation element working panel; Wherein, the glass ceramics base multiphase composite ceramic raw cook of glass ceramics base multiphase composite ceramic 22-3,22-4 has studded with frame 22-3-1,22-4-1; Glass ceramics base multiphase composite ceramic insulating barrier 22-3 is embedded with the electrothermal alloy paillon foil 23 that generates element as heat.
In this process; Through operations such as degreasing, binder removals; Under pressure state (general pressure>=2.0MPa ,≤6.0 MPa) again are through the one or many sintering; Glass ceramics base multiphase composite ceramic 22-1 is diffused in the capillary porosity on metallic plate 21 surfaces; Glass ceramics base multiphase composite ceramic 22-3 infiltrates in the capillary porosity on electrothermal alloy paillon foil 23 surfaces, forms chemistry and/or physical bond respectively, in conjunction with form be mainly the sealed and/or chemical bond of element or the counterdiffusion of molecule phase and/or machinery and combine; Interpenetrate between each adjacent layer glass ceramics base multiphase composite ceramic, combine.Between the metallic plate and laminated glazing pottery base multiphase composite ceramic as heat dissipation element; Strong bonded together between electrothermal alloy paillon foil 23 and the glass ceramics base multiphase composite ceramic insulating barrier 22-3; Also combine closely between each layer glass ceramics base multiphase composite ceramic; Process a kind of novel electric heater, promptly unidirectional heat radiation collar plate shape heating sheet.
Between the said metallic plate 21 and glass ceramics base multiphase composite ceramic insulating barrier 22-1, have the thermal coefficient of expansion that is complementary between electrothermal alloy paillon foil 23 and the glass ceramics base multiphase composite ceramic insulating barrier 22-3 as heat dissipation element; Simultaneously; Also have the thermal coefficient of expansion that is complementary between each layer glass ceramics base multiphase composite ceramic, generate the temperature gradient variation between element and the metallic plate 21 to adapt to heat.
The laminated glazing pottery base multiphase composite ceramic insulating barrier of the band edge frame of present embodiment has improved material compactness owing to adopt pressure sintering, eliminates the crack defect in the glass ceramics base multiphase composite ceramic body as far as possible; In the glass ceramics base multiphase composite ceramic, add like enhancing bodies such as particle (nano particle and/or micron particles) and/or whisker and/or fiber and/or silk and/or sheet and/or net and/or braids; Strengthening and Toughening modes such as particle dispersion is toughness reinforcing and/or crystal whisker toughened and/or fiber reinforced have been adopted; Adopt the technical measures such as layer structure design of band edge frame, have stronger thermal shock resistance.
It is the electrothermal alloy paillon foil that the heat of present embodiment generates element, is processed by the Aludirome material, has toughness preferably, is shaped through physics or chemical method by the electrothermal alloy section bar.The traditional electrical hot material that the electrothermal alloy paillon foil is a kind of maturation, reliability is high, cost is low, thermal shock resistance is strong is widely used in traditional electrical heating elements.
Present embodiment is unidirectional heat radiation collar plate shape heating sheet; Its electrode 23 is by being the center with the center of circle; Passing laminated glazing pottery base multiphase composite ceramic insulating barrier in the scope of diameter≤40mm can be connected with elements such as power supply or temperature control, thalposis, can be used for mounting temperature sensor in the scope of the non-heat radiation working face of collar plate shape heating sheet central diameter≤40mm.
Present embodiment has the advantage that heat-resistant impact ability is strong, heating surface is even, thermal inertia is little, the unit volume heating surface (area) (HS is big, cost performance is high, in the gas of the industry and the middle low temperature field of electric heating of household electrical appliance, liquid, foods heat unit, has a wide range of applications.
Claims (10)
1. metal crystallite heating sheet; It is characterized in that it comprises metallic plate as heat dissipation element, generates element as the laminated glazing pottery base multiphase composite ceramic and the heat of insulating barrier; Between the said metallic plate and said laminated glazing pottery base multiphase composite ceramic as heat dissipation element as insulating barrier, said laminated glazing pottery base multiphase composite ceramic and said heat as insulating barrier generates between the element and is closely linked, and is combined into the layer structure heating sheet that has frame.
2. metal crystallite heating sheet as claimed in claim 1; It is characterized in that the interior of said laminated glazing pottery base multiphase composite ceramic lamination as insulating barrier and/or outer peripherally partly or entirely be combined with said frame; Said frame is the single or multiple lift frame; The stack direction of said multilayer frame is parallel or vertical with the stack direction of layered glass ceramics base multiphase composite ceramic or become arbitrarily angled layout, and the material of processing said frame is metal and/or glass ceramics and/or pottery and/or composite material.
3. metal crystallite heating sheet as claimed in claim 1 is characterized in that said metallic plate as heat dissipation element has flange, and said flange is that a part or the said frame of said frame is the part of said flange.
4. metal crystallite heating sheet as claimed in claim 1 is characterized in that said metallic plate as heat dissipation element is austenite ferrite type corrosion resistant plate or titanium plate or titanium alloy sheet.
5. metal crystallite heating sheet as claimed in claim 1 is characterized in that said metallic plate as heat dissipation element is a composite metal plate.
6. like claim 1 or 3 described metal crystallites heating sheets, the thermal coefficient of expansion that it is characterized in that said metallic plate as heat dissipation element between 0～100 ℃ less than 15.5 * 10
-6/ ℃.
7. metal crystallite as claimed in claim 1 heating sheet is characterized in that having in the said laminated glazing pottery base multiphase composite ceramic as insulating barrier a kind of or combination in any of following enhancing body: particle, whisker, fiber, sheet, silk, net, braid.
8. metal crystallite as claimed in claim 1 heating sheet is characterized in that it is a kind of or combination in any in the following electric heating element that said heat generates element: the electric heating element that the electric heating element that the electric heating element of electrothermal alloy paillon foil and/or lectrothermal alloy wire, electrothermal alloy powder and/or metallic resistance slurry form through sintering, electrothermal alloy fiber and/or electrothermal alloy whisker and inorganic compound are composited, have electric heating element, semi-conductor electricity thermal element, glass ceramics electric heating element, ceramic electric heating element, carbon film electric heating element, carbon fiber electrically thermal element, carbon crystal electrothermo element, graphite electric heating element from temperature controlling function.
9. metal crystallite heating sheet as claimed in claim 1; It is characterized in that said laminated glazing pottery base multiphase composite ceramic as insulating barrier is embedded with temperature control component and/or temperature sensitive member; Said temperature control component generates element with said heat and directly is connected, and said temperature sensitive member and said heat generate element insulating.
10. metal crystallite heating sheet as claimed in claim 1; The plane that it is characterized in that said metal crystallite heating sheet is during for the plane geometric shape of symmetry; The electrode that said heat generates element is the center by the plane geometry type heart with symmetry; Pass in the scope of diameter≤40mm directly to be connected with power connector or to pass through temperature control component and/or temperature sensitive member and/or indicator light and be connected with power connector as the laminated glazing of insulating barrier pottery base multiphase composite ceramic; Said power connector one end is fixed on said as on the metallic plate of heat dissipation element and become the part of heat-proof device; Temperature control component and/or overtemperature protection element and/or temperature sensitive member are installed on this end of said power connector; The said power connector other end has the function of 360o rotation, and said power connector has 3-5 to electric contact, and the non-heat radiation working face of said metal crystallite heating sheet is in the scope of central diameter≤40mm temperature sensor to be installed with the plane geometry type heart of symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220129955 CN202587422U (en) | 2012-03-30 | 2012-03-30 | Metal microcrystal heating sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220129955 CN202587422U (en) | 2012-03-30 | 2012-03-30 | Metal microcrystal heating sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202587422U true CN202587422U (en) | 2012-12-05 |
Family
ID=47256775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220129955 Expired - Lifetime CN202587422U (en) | 2012-03-30 | 2012-03-30 | Metal microcrystal heating sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202587422U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015423A (en) * | 2014-05-20 | 2014-09-03 | 中南大学 | Heating composite material and preparation method thereof |
| CN106851871A (en) * | 2017-01-13 | 2017-06-13 | 杭州格拉思康科技有限公司 | Ceramic layered heating |
| CN106922628A (en) * | 2017-01-21 | 2017-07-07 | 眉山市政鑫科技有限公司 | A kind of safely and efficiently multi-functional numerous honeybee device |
| US10728958B2 (en) | 2017-07-31 | 2020-07-28 | Samsung Electronics Co., Ltd. | Heating element structure, method of forming the same, and heating device including the heating element structure |
-
2012
- 2012-03-30 CN CN 201220129955 patent/CN202587422U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015423A (en) * | 2014-05-20 | 2014-09-03 | 中南大学 | Heating composite material and preparation method thereof |
| CN104015423B (en) * | 2014-05-20 | 2016-03-02 | 中南大学 | A kind of heating composite and preparation method thereof |
| CN106851871A (en) * | 2017-01-13 | 2017-06-13 | 杭州格拉思康科技有限公司 | Ceramic layered heating |
| CN106922628A (en) * | 2017-01-21 | 2017-07-07 | 眉山市政鑫科技有限公司 | A kind of safely and efficiently multi-functional numerous honeybee device |
| US10728958B2 (en) | 2017-07-31 | 2020-07-28 | Samsung Electronics Co., Ltd. | Heating element structure, method of forming the same, and heating device including the heating element structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202143231U (en) | Metal substrate electric heating sheet | |
| CN202587422U (en) | Metal microcrystal heating sheet | |
| CN201919178U (en) | Electric heating appliance and glass ceramic electric heater with metal substrate | |
| CN102083246B (en) | Far-infrared electric heating film | |
| CN201495102U (en) | Small-size vertical type high temperature graphitized furnace | |
| CN206775761U (en) | Layer structure electric heater | |
| CN103369745B (en) | Corrosion-resistant fin and corrosion-resistant fever tablet | |
| CN103731940A (en) | Microcrystal heating element and metal microcrystal heating element | |
| CN201230379Y (en) | PTC heating element | |
| CN201131062Y (en) | Heating pipe for vitreous enamel electric heating membrane | |
| CN101662854A (en) | heating plate | |
| CN103458539A (en) | Heating plate | |
| CN102885583A (en) | Electric heating chassis and electric kettle | |
| CN202547403U (en) | Resistor induction composite heating furnace | |
| CN201115594Y (en) | Inner pot of electric heating pot | |
| CN202059600U (en) | Electric heating film heating pad | |
| CN205245785U (en) | Integral type graphite crucible | |
| CN201945034U (en) | Impact-resistant honeycomb fluid heating device | |
| CN106851871A (en) | Ceramic layered heating | |
| CN103822470A (en) | Small heating furnace | |
| CN200970630Y (en) | Electric heater for low voltage casting machine | |
| CN202965333U (en) | Three-layered composite board | |
| CN200987220Y (en) | Novel far infrared energy-saving electric heating plate | |
| CN201821520U (en) | Electric heating plate | |
| CN102607178B (en) | Electric heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |