CN112351518A - Heating body - Google Patents
Heating body Download PDFInfo
- Publication number
- CN112351518A CN112351518A CN202011192587.2A CN202011192587A CN112351518A CN 112351518 A CN112351518 A CN 112351518A CN 202011192587 A CN202011192587 A CN 202011192587A CN 112351518 A CN112351518 A CN 112351518A
- Authority
- CN
- China
- Prior art keywords
- heating
- layer
- heat
- insulating layer
- electric insulating
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 136
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 119
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 3
- DTDCCPMQHXRFFI-UHFFFAOYSA-N dioxido(dioxo)chromium lanthanum(3+) Chemical compound [La+3].[La+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O DTDCCPMQHXRFFI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 229910021343 molybdenum disilicide Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000010344 co-firing Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
Abstract
The invention relates to a heating body which comprises at least one heating layer, wherein the heating layer is made of a heating base material, and the heating base material is compounded by a heat conduction material and a conductive material and generates heat by being electrified. According to the heating body, the heating layer generates heat by utilizing the material characteristics of the heating layer, the traditional resistance wire or a printed resistance circuit is replaced, the heating base material has the heat conducting property and the electric conducting property at the same time, the resistance value and the heat conducting property of the composite material can be optimized manually, and the material selection limitation of the traditional scheme is overcome; when the heating device generates heat, the surface formed by heating of the whole heating layer generates heat, so that the uniformity and the effective heat conduction area of the surface temperature of the heating body are greatly improved, and the heating efficiency is high.
Description
Technical Field
The invention relates to the technical field of atomization devices, in particular to a heating body.
Background
The heating body of the existing atomization device is generally a heating sheet or a ceramic rod, the heating body surface is heated by printing slurry, the heating body surface is heated by the resistance of the heating slurry instead of being heated integrally, the temperature of the printing slurry is usually higher than that of the position of the non-printing slurry, the temperature is uneven, the temperature of the printing slurry cannot be very even, and the uniform surface heating is difficult to form. And on the other hand, the heating and temperature control of the existing heating body are integrated, so that the heating efficiency and the temperature control precision are difficult to be considered.
Disclosure of Invention
In view of the above circumstances, it is necessary to provide a heat generating body capable of achieving uniform surface heat generation.
In order to solve the technical problems, the invention adopts the technical scheme that: the heating body comprises at least one heating layer, wherein the heating layer is made of heating base materials, and the heating base materials are compounded by heat conduction materials and conductive materials to generate heat by self electrification.
Further, the heating base material is formed by sintering particles of one or more mixed metals or alloys with high conductivity of silicon carbide, molybdenum disilicide, lanthanum chromate, tin dioxide, zirconium oxide or crystalline silicon together.
Furthermore, be provided with on the zone of heating and fall the section of hindering, fall the resistance that hinders the section and be less than the resistance of the substrate that generates heat.
Further, still include the temperature measurement layer, the temperature measurement layer with be equipped with electrical insulation layer between the zone of heating, the temperature measurement layer electrical insulation layer with the zone of heating is through the surperficial glazing integrated into one piece that burns altogether.
Further, the thickness of the electrically insulating layer is less than or equal to 0.1 mm.
Further, the electrical insulation layer is made of a material having electrical insulation properties and thermal conductivity properties.
Furthermore, the temperature measuring layer comprises a hard substrate, and a coating with a temperature resistance change coefficient is attached to the surface layer of the hard substrate.
Further, the hard matrix is made of zirconia or a metal material.
Furthermore, be equipped with at least one electrically conductive projection on the zone of heating, the insulating layer with the layer of surveying the temperature is equipped with the confession electrically conductive projection stretches into's through-hole, and is adjacent the zone of heating passes through electrically conductive projection contact connects and forms the circular telegram return circuit.
Further, the zone of heating includes first zone of heating and second zone of heating, electric insulation layer includes first electric insulation layer and second electric insulation layer, first zone of heating first electric insulation layer the temperature measurement layer second electric insulation layer with the second zone of heating stacks gradually, first zone of heating with the second zone of heating forms the circular telegram return circuit.
The invention has the beneficial effects that: the heating layer heats by utilizing the material characteristics of the heating layer, the traditional resistance wire or a printed resistance circuit is replaced, the heating base material has heat conducting performance and electric conducting performance, the resistance value and the heat conducting rate of the composite material can be optimized manually, and the material selection limitation of the traditional scheme is overcome; when the heating device generates heat, the surface formed by heating of the whole heating layer generates heat, so that the uniformity and the effective heat conduction area of the surface temperature of the heating body are greatly improved, and the heating efficiency is high.
Drawings
FIG. 1 is a schematic view showing a structure of a heat-generating body according to an embodiment of the present invention;
FIG. 2 is an exploded view schematically showing a heat-generating body according to an embodiment of the present invention;
FIG. 3 is an exploded view schematically showing another embodiment of a heat-generating body according to an example of the invention.
Description of reference numerals:
100. a temperature measuring layer; 110. a through hole; 200. a heating layer; 210. a conductive convex column;
201. a first heating layer; 202. a second heating layer; 300. an electrically insulating layer;
301. a first electrically insulating layer; 302. a second electrically insulating layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, a heating element of the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, a heating element includes at least one heating layer made of a heating base material, and the heating base material is formed by compounding a heat conductive material and a conductive material and generates heat by itself when being electrified.
The heating layer heats by utilizing the material characteristics of the heating layer, the traditional resistance wire or a printed resistance circuit is replaced, the heating base material has heat conducting performance and electric conducting performance, the resistance value and the heat conducting rate of the composite material can be optimized manually, and the material selection limitation of the traditional scheme is overcome; when the heating device generates heat, the surface formed by heating of the whole heating layer generates heat, so that the uniformity and the effective heat conduction area of the surface temperature of the heating body are greatly improved, and the heating efficiency is high.
Preferably, the heat-generating substrate is formed by sintering together particles of one or more metals or alloys having high mixed conductivity of silicon carbide, molybdenum disilicide, lanthanum chromate, tin dioxide, zirconium oxide, or crystalline silicon.
Preferably, the heating layer is provided with a resistance reducing section, and the resistance value of the resistance reducing section is lower than that of the heating base material. The resistance reducing section is used for being electrically connected with a wire or an elastic sheet, so that the electric conduction is convenient, and generally, the resistance reducing section is positioned on the outer surface of the heating layer. The resistance reducing section is formed by changing the mixing proportion or adding a conductive coating on the surface layer of the heating base material, and preferably, the resistance reducing section is made of silver or platinum.
Referring to fig. 1-3, the heating module further includes a temperature measuring layer, an electrical insulating layer is disposed between the temperature measuring layer and the heating layer, and the temperature measuring layer, the electrical insulating layer and the heating layer are formed by co-firing a surface layer with glaze. The heat conduction capability is improved, and the influence of gaps among the temperature measuring layer, the electric insulating layer and the heating layer on heat conduction is avoided. The heating layer and the temperature measuring layer are isolated through the electric insulating layer and are independently controlled, the heating efficiency and the temperature control precision can be considered, the heating part can be made of a material with low TCR or a material without obvious TCR characteristics, the heating part can keep low resistance value at high temperature, the heating efficiency is ensured, the temperature measuring part is made of a material with relative resistance value and TCR ratio, the detection is convenient, and the temperature control precision of the scheme board is ensured. Meanwhile, the electric insulating layer and the temperature measuring layer of the heating layer are laminated, so that the temperature measuring layer can measure the temperature of the whole heating body, and the defect that the traditional scheme only measures the temperature of part of the substrate is overcome. And structural stability is enhanced, and the heating layer, the electric insulating layer and the temperature measuring layer are laminated and then glazed on the surface to be integrally formed, so that the heating efficiency and the mechanical strength are combined, and the defect that the traditional electric heating material is high in brittleness and easy to break is overcome.
Preferably, the thickness of the electrically insulating layer is less than or equal to 0.1 mm. The temperature of the whole heating body can be accurately measured.
Preferably, the electrically insulating layer is made of a material having electrically insulating properties and heat conducting properties. The measurement of the temperature measuring layer can be ensured, and the heating layer and the temperature measuring layer can be isolated in an electric insulation manner.
Preferably, the temperature measuring layer comprises a hard substrate, and a coating with a temperature resistance change coefficient is attached to the surface layer of the hard substrate. The hard matrix can improve the strength, avoid the heating element fracture, guarantee stability.
Preferably, the hard matrix is made of a hard material having thermal conductivity. In particular, the hard matrix is made of zirconia or a metallic material.
Referring to fig. 2, at least one conductive convex column is arranged on the heating layer, through holes for the conductive convex columns to extend into are arranged on the insulating layer and the temperature measuring layer, and the adjacent heating layers are in contact electrical connection through the conductive convex columns to form a power-on loop. It will be appreciated that the via is electrically insulated from the conductive post. Preferably, the heating surface is perpendicular to the conductive convex columns, namely the heating surface is perpendicular to the power-on loop, the heat distribution and the resistance value can be changed by increasing the number of the conductive convex columns and/or changing the position distribution of the conductive convex columns, the sectional heating is realized, the design is flexible, and the material cost is not increased. The heating device is simple, two adjacent conductive convex columns can be in contact with each other to form electric connection, one heating layer can be provided with the conductive convex column, and the adjacent heating layer is arranged in the conductive blind hole matched with the conductive convex column.
Referring to fig. 1-3, the heating layer includes a first heating layer and a second heating layer, the electric insulating layer includes a first electric insulating layer and a second electric insulating layer, the first heating layer, the first electric insulating layer, the temperature measuring layer, the second electric insulating layer and the second heating layer are stacked in sequence, and the first heating layer and the second heating layer form an electrical loop. The double-sided heating can be realized, and the front side and the back side can be used without being distinguished.
Generally, the inserting end of the heating element is a pointed end and generally takes a triangular shape, particularly, a lug is arranged at the tail end of the temperature measuring layer far away from the inserting end, a groove is arranged on the lug, and the insulating layer and the heating layer are provided with tails matched with the groove. Generally, the resistance-reducing section of the heating layer is arranged at the tail end.
In conclusion, according to the heating body provided by the invention, the heating layer is integrally heated and is heated in a surface mode by utilizing the performance of the heating layer, so that the uniformity of the surface temperature of the heating body and the effective heat conducting area are greatly improved, and the heating efficiency is high; an electric insulating layer is arranged between the heating layer and the temperature measuring layer, so that both heating efficiency and temperature control precision can be considered, the temperature measuring layer can measure the temperature of the whole heating body, and the defect that the traditional scheme only measures partial temperature of the base body is overcome; through the co-firing integral forming of the surface glazing, the structural stability is enhanced, the heating efficiency and the mechanical strength are combined, and the defect that the traditional electric heating material is high in brittleness and easy to break is overcome.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The heating body is characterized by comprising at least one heating layer, wherein the heating layer is made of a heating base material, and the heating base material is formed by compounding a heat conduction material and a conductive material and generates heat by self-electrifying.
2. A heat-generating body as described in claim 1, wherein said heat-generating base material is obtained by sintering together particles of one or more metals or alloys having high mixed conductivity of silicon carbide, molybdenum disilicide, lanthanum chromate, tin dioxide, zirconia or crystalline silicon.
3. A heat-generating body as described in claim 1, wherein a resistance-reducing section having a resistance value lower than that of said heat-generating base material is provided on said heating layer.
4. A heating body as claimed in claim 1, further comprising a temperature measuring layer, an electric insulating layer is provided between the temperature measuring layer and the heating layer, and the temperature measuring layer, the electric insulating layer and the heating layer are co-fired and integrated by glazing a surface layer.
5. A heat-generating body as described in claim 4, characterized in that the thickness of said electrically insulating layer is 0.1 mm or less.
6. A heat-generating body as described in claim 4, characterized in that said electric insulating layer is made of a material having electric insulating property and heat conducting property.
7. A heat-generating body as described in claim 4, characterized in that said temperature measuring layer comprises a hard base to the surface of which a coating layer of temperature resistance change coefficient is adhered.
8. A heat-generating body as described in claim 7, characterized in that the hard base is made of zirconia or a metal material.
9. A heating body as claimed in claim 4, wherein said heating layer is provided with at least one conductive convex column, said insulating layer and said temperature measuring layer are provided with through holes for said conductive convex column to extend into, and adjacent heating layers are electrically connected through contact of said conductive convex column to form a power-on circuit.
10. A heating body as claimed in claim 9, wherein said heating layer comprises a first heating layer and a second heating layer, said electric insulating layer comprises a first electric insulating layer and a second electric insulating layer, said first heating layer, said first electric insulating layer, said temperature measuring layer, said second electric insulating layer and said second heating layer are laminated in this order, and said first heating layer and said second heating layer form an energizing circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192587.2A CN112351518A (en) | 2020-10-30 | 2020-10-30 | Heating body |
| PCT/CN2021/098419 WO2022088681A1 (en) | 2020-10-30 | 2021-06-04 | Heating element and atomization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192587.2A CN112351518A (en) | 2020-10-30 | 2020-10-30 | Heating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112351518A true CN112351518A (en) | 2021-02-09 |
Family
ID=74356937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011192587.2A Pending CN112351518A (en) | 2020-10-30 | 2020-10-30 | Heating body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112351518A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197358A (en) * | 2021-03-22 | 2021-08-03 | 深圳市基克纳科技有限公司 | Piece formula flue-cured tobacco cermet heating core |
| WO2022088681A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市基克纳科技有限公司 | Heating element and atomization device |
| WO2023179109A1 (en) * | 2022-03-21 | 2023-09-28 | 深圳麦克韦尔科技有限公司 | Aerosol generation apparatus and heater therefor, and material for preparing heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088681A1 (en) * | 2020-10-30 | 2022-05-05 | 深圳市基克纳科技有限公司 | Heating element and atomization device |
| CN113197358A (en) * | 2021-03-22 | 2021-08-03 | 深圳市基克纳科技有限公司 | Piece formula flue-cured tobacco cermet heating core |
| WO2023179109A1 (en) * | 2022-03-21 | 2023-09-28 | 深圳麦克韦尔科技有限公司 | Aerosol generation apparatus and heater therefor, and material for preparing heater |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210209 |