CN214509411U - Heating body and atomizing device - Google Patents
Heating body and atomizing device Download PDFInfo
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- CN214509411U CN214509411U CN202022484380.4U CN202022484380U CN214509411U CN 214509411 U CN214509411 U CN 214509411U CN 202022484380 U CN202022484380 U CN 202022484380U CN 214509411 U CN214509411 U CN 214509411U
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Abstract
The utility model relates to a heat-generating body and atomizing device, wherein this heat-generating body includes: a substrate; a temperature coefficient coating layer made of a material having a PTC resistance characteristic, coated on the substrate; the heating layer is attached to the temperature coefficient layer; the cross sections of the heating sheet formed by the substrate, the temperature coefficient coating and the heating layer are in arc-shaped distortion. The atomizing device comprises the heating body.
Description
Technical Field
The utility model relates to an atomizing device heat-generating body technical field especially relates to a heat-generating body and atomizing device.
Background
The existing atomizing device has two main types of heating bodies, one is a heating sheet, and the other is a ceramic rod.
The heating sheet is simple in process forming and convenient to manufacture, but is weak in structural strength, easy to break and high in product repair rate; the heating sheet is generally integrated with heating and temperature control, if the temperature control precision is required to be improved, the resistance Temperature Coefficient (TCR) is required to be very large, the heating efficiency is reduced, namely the temperature control precision and the temperature rise efficiency are difficult to be considered; the surface temperature of the heating sheet is not uniform enough, and the heating effect has a large promotion space.
The ceramic rod has better structural strength, but the heat conduction area is small, and the temperature difference between the top and the bottom is large; meanwhile, the ceramic rod is generally integrated with heating and temperature control, and has the defects of insufficient uniformity of surface temperature and insufficient atomization.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, it is necessary to provide a heat-generating body and an atomizing device which provide strength and heat conductivity of the heat-generating body.
In order to solve the technical problem, the utility model discloses a technical scheme be: a heat-generating body, comprising: a substrate; a temperature coefficient coating layer made of a material having a PTC resistance characteristic, coated on the substrate; the heating layer is attached to the temperature coefficient layer; the cross sections of the heating sheet formed by the substrate, the temperature coefficient coating and the heating layer are in arc-shaped distortion.
Furthermore, the temperature coefficient coating is characterized by further comprising a base, wherein the base body, the temperature coefficient coating and the heating layer are inserted in the base.
Furthermore, one end of the base, which faces away from the base body, is connected with a lead, and the lead comprises a temperature control lead electrically connected with the temperature coefficient coating and a temperature rise lead electrically connected with the heating layer.
Further, the substrate is a porous ceramic material, a carbon material or a metal material; the porous ceramic material comprises at least one of mullite, alumina, silica, silicon carbide and diatomite.
Further, the heating layer is at least one of electronic paste, carbon powder or metal powder.
Further, the heating layer is arranged on the surface or inside the substrate in at least one of printing, coating, spraying, soaking, vacuum plating and clamping.
Further, the temperature coefficient coating comprises at least one of silver, platinum and tungsten.
Furthermore, the angle of each twisting and bending of the heating sheet is 10-45 degrees.
Furthermore, the width of the twisted heating sheet is 1.1-2 times of the thickness of the heating sheet.
The utility model also provides an atomizing device, including foretell heat-generating body.
The beneficial effects of the utility model reside in that: the temperature coefficient coating and the heating layer are configured, the temperature control and the heating are relatively independent, and the temperature rise rate and the temperature control precision can be simultaneously ensured; the cross section formed by the substrate, the temperature coefficient coating and the heating layer is in arc-shaped distortion, so that the heat conduction capability of the heating body is improved, the integral strength is increased, and the risk of fragmentation is reduced.
Drawings
FIG. 1 is a schematic structural view of a heating element according to an embodiment of the present invention;
FIG. 2 is a schematic view showing another direction of the heat generating body according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a base body, a temperature coefficient coating layer and a heat generating layer of a heat generating body according to an embodiment of the present invention;
FIG. 4 is a schematic view showing another direction of a heat generating body according to an embodiment of the present invention.
Description of reference numerals:
10. a heat generating sheet; 11. a substrate; 12. a temperature coefficient coating; 13. a heat generating layer; 20. a base;
30. and (4) conducting wires.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain in further detail a heat generating body and an atomizing device of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 4, a heating element includes: a base 11; a temperature coefficient coating layer 12 made of a material having a PTC resistance characteristic, coated on the base 11; a heating layer 13 attached on the temperature coefficient layer; the cross section of the heating sheet 10 formed by the base body 11, the temperature coefficient coating 12 and the heating layer 13 is in arc-shaped distortion.
The temperature coefficient coating 12 and the heating layer are configured, the temperature control and the heating are relatively independent, and the temperature rise rate and the temperature control precision can be simultaneously ensured; the cross section of the heating sheet 10 formed by the base body 11, the temperature coefficient coating 12 and the heating layer 13 is in arc-shaped distortion, so that the heat conduction capability of the heating body is improved, the integral strength is improved, and the risk of sheet breakage is reduced.
As can be appreciated, PTC, an abbreviation for Positive Temperature Coefficient, means a Positive Temperature Coefficient.
Referring to fig. 1-3, the heat generating device further includes a base 20, and the base 11, the temperature coefficient coating 12 and the heat generating layer 13 are inserted into the base 20. Typically, the base 20 is made of a heat resistant material. Typically, the base 20 is made of an insulating material. Simply, the base 20 is made of a ceramic material.
Referring to fig. 1 and 3, a lead 30 is connected to an end of the base 20 opposite to the substrate 11, and the lead 30 includes a temperature control lead 30 electrically connected to the temperature coefficient coating 12 and a temperature raising lead 30 electrically connected to the heating layer 13. The lead 30 generally includes a positive lead 30 and a negative lead 30, i.e., the temperature coefficient coating 12 is connected with one positive lead 30 and one negative lead 30, and the heat generating layer 13 is connected with the other positive lead 30 and the other negative lead 30. Typically, the wires 30 are connected by soldering. The base 20 may be directly molded at the junction of the base 11, the temperature coefficient coating 12, the heat generating layer 13 and the lead 30.
Preferably, the substrate 11 is a porous ceramic material, a carbon material or a metal material; the porous ceramic material comprises at least one of mullite, alumina, silica, silicon carbide and diatomite. It will be appreciated that the substrate 11 is generally insulating and may be made of a material which is itself insulating or may be made of a material which is not insulating and which has been given an insulating treatment on its surface. In particular, the metal material of the substrate 11 is a metal foam.
Preferably, the heat generating layer 13 is at least one of electronic paste, carbon powder or metal powder.
Preferably, the heat generating layer 13 is disposed on or in the substrate 11 by at least one of printing, coating, spraying, dipping, vacuum plating, and sandwiching.
Preferably, the temperature coefficient coating 12 includes at least one of silver, platinum, and tungsten. Has better PTC characteristics.
Furthermore, the angle of each twisting and bending of the heating sheet is 10-45 degrees. It can be understood that the heating sheet is twisted at least once to make the cross section of the heating sheet be in arc-shaped twist, or may be twisted for a plurality of times according to the requirement, preferably twice, and the directions of the two twists are opposite to each other to make the cross section of the heating sheet be in an approximately "S" shape. The bending angle of each twist is 10-45 degrees, so that the integral strength can be ensured.
Furthermore, the width of the twisted heating sheet is 1.1-2 times of the thickness of the heating sheet. The integral strength is ensured. Referring to FIG. 4, D is 1.1-2 times D.
The utility model also provides an atomizing device, including foretell heat-generating body.
To sum up, the heating element and the atomization device provided by the utility model are provided with the temperature coefficient coating layer and the heating layer, the temperature control and the heating are relatively independent, and the temperature rise rate and the temperature control precision can be simultaneously ensured; the cross section formed by the substrate, the temperature coefficient coating and the heating layer is in arc-shaped distortion, so that the heat conduction capability of the heating body is improved, the integral strength is increased, and the risk of fragmentation is reduced.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (8)
1. A heat-generating body, characterized by comprising:
a substrate;
a temperature coefficient coating layer made of a material having a PTC resistance characteristic, coated on the substrate;
the heating layer is attached to the temperature coefficient layer;
the cross sections of the heating sheet formed by the substrate, the temperature coefficient coating and the heating layer are in arc-shaped distortion.
2. A heat-generating body as described in claim 1, further comprising a base, said temperature coefficient coating layer and said heat-generating layer being inserted in said base.
3. A heat-generating body as described in claim 2, characterized in that a lead is connected to an end of said base facing away from said base, and said lead comprises a temperature control lead electrically connected to said temperature coefficient coating and a temperature raising lead electrically connected to said heat-generating layer.
4. A heat-generating body as described in claim 1, wherein said base is a porous ceramic material, a carbon material or a metal material.
5. A heat-generating body as described in claim 1, wherein the heat-generating layer is provided on the surface or inside of the base by at least one of printing, coating, spraying, dipping, vacuum plating and sandwiching.
6. A heat-generating body as described in claim 1, wherein the angle of each twist and bending of said heat-generating sheet is between 10 ° and 45 °.
7. A heat-generating body as described in claim 1, wherein a width of said heat-generating sheet after being twisted is 1.1 to 2 times a thickness of said heat-generating sheet.
8. An atomizing device characterized by comprising the heat-generating body according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022484380.4U CN214509411U (en) | 2020-10-30 | 2020-10-30 | Heating body and atomizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022484380.4U CN214509411U (en) | 2020-10-30 | 2020-10-30 | Heating body and atomizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214509411U true CN214509411U (en) | 2021-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022484380.4U Active CN214509411U (en) | 2020-10-30 | 2020-10-30 | Heating body and atomizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214509411U (en) |
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2020
- 2020-10-30 CN CN202022484380.4U patent/CN214509411U/en active Active
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