CN218603666U

CN218603666U - Composite ceramic heating element

Info

Publication number: CN218603666U
Application number: CN202222619252.5U
Authority: CN
Inventors: 陈闻杰; 何峰斌; 陈志坚
Original assignee: KEY MATERIAL CO Ltd
Current assignee: KEY MATERIAL CO Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-10
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a ceramic heating element technical field, concretely relates to composite ceramic heating element, including the heating tube body, the heating tube body is formed by at least two-layer from the coiling of composite curtain coating unburned bricks substrate, and composite curtain coating unburned bricks substrate openly is provided with the first insulating layer, and the surface on first insulating layer sets up heating circuit and heating circuit electrode, and the both ends that send out the heating circuit are connected with corresponding heating circuit electrode respectively, and the surface that sends out the heating circuit sets up the second insulating layer, and the heating circuit just sets up the surface at the heating tube body that has made a roll, and the tip is inlayed to the end of heating tube body, and another pot head is equipped with the flange; the outer surface of the heating tube body is also provided with a glass glaze layer. The utility model discloses owing to adopt the body that generates heat of rolling up system of compound curtain coating unburned bricks substrate that contains zirconia and aluminium oxide for ceramic heat-generating body has the advantage that the thermal conductivity is low, rupture strength is high, and the body that generates heat of adoption has the advantage that compactness is good, the thermal conductivity is low, the programming rate is fast, can also reduce flange temperature, and is energy-concerving and environment-protective.

Description

Composite ceramic heating element

Technical Field

The utility model relates to a ceramic heat-generating body technical field, concretely relates to composite ceramic heat-generating body.

Background

The heating body of the electronic cigarette is usually made of alloy metal heating wires or alumina materials, and the battery supplies power to generate heat so as to atomize the tobacco tar, so that a user has a feeling similar to smoking during smoking, and the cloud swallowing and fog spraying are realized.

The ceramic heating element of the existing cigarette smoking set which is not heated and does not burn mainly realizes heating and temperature sensing by arranging a heating circuit on a substrate, and the ceramic heating element heats atomized media such as tobacco and the like to generate smoke. However, in the actual use process, the aluminum oxide ceramic heating rod has low breaking strength, high temperature at the flange and high energy loss; the zirconia ceramic heating rod has poor high-temperature insulating property, and a heating circuit uses slurry with high cost.

Disclosure of Invention

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide a composite ceramic heat-generating body, this composite ceramic heat-generating body simple structure, owing to adopt the body that generates heat that the compound curtain coating unburned bricks substrate book system that the composite ceramic material that contains zirconia and alumina made, make the ceramic heat-generating body have the thermal conductivity low, the advantage that rupture strength is high, and the body that generates heat of adoption has compactness good, the thermal conductivity is low, the programming rate is fast, interior resistance is little, the even and the high advantage of rupture strength of generating heat, therefore, the clothes hanger is strong in practicability, simultaneously can also reduce the flange temperature, reduce the dielectric energy loss of composite ceramic heat-generating body, energy conservation, the long service life of composite ceramic heat-generating body has been prolonged.

The purpose of the utility model is realized through the following technical scheme: a composite ceramic heating body comprises a heating tube body, wherein the heating tube body is formed by self-winding at least two layers of composite casting green body substrates, a first insulating layer is arranged on one side of the front surface of each composite casting green body substrate, a heating layer is arranged on the surface of each first insulating layer, each heating layer is provided with a heating circuit and a group of heating circuit electrodes, two ends of each heating circuit are respectively connected with the corresponding heating circuit electrodes, a second insulating layer is arranged on the surface of each heating layer, the second insulating layer does not cover the heating circuit electrodes, the heating circuits of the composite casting green body substrates after self-winding are just arranged on the outer circumferential surface of the heating tube body, the heating circuit electrodes are positioned at one end of the heating tube body, a pointed end is embedded at the other end of the heating tube body, and a flange is sleeved at one end, close to the heating circuit electrodes, of the heating tube body; the outer circumferential surface of the heating tube body is also provided with a glass glaze layer.

Furthermore, the heating layer is further provided with a temperature control circuit and a group of temperature control circuit electrodes, the second insulating layer does not cover the temperature control circuit electrodes, the temperature control circuit is located between two poles of the heating circuit, and two ends of the temperature control circuit are respectively connected with the corresponding temperature control circuit electrodes.

Furthermore, the heating circuit and the temperature control circuit are printed by one of tungsten slurry, molybdenum slurry, ruthenium slurry and manganese slurry.

Further, the glass glaze layer covers one side of the flange from the pointed end and extends to the pipe end of the heating pipe body from the other side of the flange, and the glass glaze layer does not cover the heating line electrode and the temperature control line electrode.

Furthermore, the heating pipe body is a hollow round pipe structure in the shape of a round pipe rod.

Further, the glass glaze layer is a black glass glaze layer or a transparent glass glaze layer.

Furthermore, the composite casting green body substrate is made of a composite ceramic material containing zirconium oxide and aluminum oxide; the mass content of the zirconium oxide in the composite ceramic material is 10-70%, and the mass content of the aluminum oxide is 20-80%.

The beneficial effects of the utility model reside in that: the utility model discloses a ceramic heat-generating body simple structure, because the body that generates heat that the compound curtain coating unburned bricks substrate book system that the composite ceramic material that the adoption contains zirconia and alumina made, make the ceramic heat-generating body have the thermal conductivity low, the advantage that bending strength is high, and the body that generates heat of adoption has compactness good, the thermal conductivity is low, the programming rate is fast, interior resistance is little, the even and high advantage of bending strength of generating heat, moreover because heating circuit and control by temperature change circuit adopt tungsten thick liquids, molybdenum thick liquids, ruthenium thick liquids, a printing in the manganese thick liquids forms, can obviously reduce cost, can also reduce the flange temperature simultaneously, reduce the dielectric energy loss of ceramic heat-generating body, energy-conservation, the long service life of ceramic heat-generating body has been prolonged.

Drawings

FIG. 1 is a perspective view of a ceramic heater with a black glass glaze layer according to the present invention;

FIG. 2 is a perspective view of a ceramic heater with a transparent glass glaze layer according to the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

fig. 5 is a perspective view of the heating tube body of the present invention;

fig. 6 is an exploded view of the heating tube of the present invention.

The reference signs are: the composite casting heat-generating tube comprises a 1-heat-generating tube body, a 2-composite casting green body substrate, a 3-first insulating layer, a 4-heat-generating layer, a 41-heat-generating circuit, a 42-heat-generating circuit electrode, a 43-temperature control circuit, a 44-temperature control circuit electrode, a 5-second insulating layer, a 6-glass glaze layer, a 7-tip and an 8-flange.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1 to 6, which are not intended to limit the present invention.

Referring to fig. 1-6, a composite ceramic heating element includes a heating tube body 1, the heating tube body 1 is formed by winding at least two layers of a composite casting green substrate 2, the heating tube body 1 is a hollow round tube structure in a round tube rod shape, one side of the front surface of the composite casting green substrate 2 is provided with a first insulating layer 3, the surface of the first insulating layer 3 is provided with a heating layer 4, the heating layer 4 is provided with a heating line 41 and a set of heating line electrodes 42, two ends of the heating line 41 are respectively connected with the corresponding heating line electrodes 42, the surface of the heating layer 4 is provided with a second insulating layer 5, the second insulating layer 5 does not cover the heating line electrodes 42, the heating line 41 is just arranged on the outer circumferential surface of the heating tube body 1 after the composite casting green substrate 2 is wound, the heating line electrodes 42 are arranged at one end of the heating tube body 1, the other end of the heating tube body 1 is embedded with a pointed end 7, and one end of the heating tube body 1 close to the heating line electrodes 42 is sleeved with a flange 8; the outer circumferential surface of the heating tube body 1 is also provided with a glass glaze layer 6, and the glass glaze layer 6 is a black glass glaze layer 6 or a transparent glass glaze layer 6; the composite casting green body substrate 2 is made of a composite ceramic material containing zirconium oxide and aluminum oxide.

The composite ceramic heating element in the embodiment has a simple structure, and the heating tube body 1 coiled by the composite casting green body substrate 2 made of the composite ceramic material containing zirconium oxide and aluminum oxide enables the composite ceramic heating element to have the advantages of low thermal conductivity and high breaking strength, while the adopted heating tube body 1 has the advantages of good compactness, low thermal conductivity, high temperature rise speed, small internal resistance, uniform heating and high breaking strength, is strong in practicability, can reduce the temperature of the flange 8, reduce the medium energy loss of the composite ceramic heating element, save energy and prolong the service life of the composite ceramic heating element; the heating tube body 1 is formed by self-winding at least two layers of composite casting green base substrates 2, the strength and the insulating property of the heating tube body 1 are guaranteed, the heating circuit 41 is controlled to realize the advantages of high pressure resistance and high power on the surface of the outermost composite casting green base substrate 2, the resistivity of the corresponding composite ceramic heating element is increased along with the rise of external voltage, and the risk of electric leakage is avoided by arranging the heating circuit 41 between the first insulating layer 3 and the second insulating layer 5; and establish and to seal and fix heating tube body 1 at the flange 8 of 1 one end of heating tube body, be convenient for fix composite ceramic heat-generating body and external built-up spare, promoted this composite ceramic heat-generating body's practicality.

In this embodiment, the heating layer 4 is further provided with a temperature control circuit 43 and a group of temperature control circuit electrodes 44, the second insulating layer 5 does not cover the temperature control circuit electrodes 44, the temperature control circuit 43 is located between two poles of the heating circuit 41, and two ends of the temperature control circuit 43 are respectively connected with the corresponding temperature control circuit electrodes 44.

In this embodiment, through set up heating line 41 and control by temperature change circuit 43 simultaneously at layer 4 that generates heat, solved the slow problem of current electron cigarette intensification rate of heating, the problem of accurate accuse temperature, the not long problem of result of use that the high-efficient fog of ceramic heat-generating body keeps.

In this embodiment, the heating line and the temperature control line are printed by using one of tungsten paste, molybdenum paste, ruthenium paste, and manganese paste, so that the cost can be significantly reduced.

In this embodiment, the glass glaze layer 6 covers the tip 7 to one side of the flange 8 and extends from the other side of the flange 8 to the pipe end of the heat generating pipe body 1, and the glass glaze layer 6 does not cover the heat generating line electrode 42 and the temperature controlled line electrode 44.

The glass protective layer that sets up in the outer circumference of heating tube body 1 in this embodiment has stronger anti-oxidation abrasionproof and decreases the effect, has increased the life of composite ceramic heat-generating body, and this simple structure simultaneously, it is effectual to generate heat, can satisfy various heating demands, and control glass glaze layer 6 does not cover heating circuit electrode 42 and control by temperature change circuit electrode 44 and is convenient for and external welding dish connection welding wire.

In this embodiment, the composite casting green body substrate 2 is made of a composite ceramic material containing zirconia and alumina; the composite ceramic material comprises the following raw materials in percentage by weight: 10-70% of zirconium oxide, 20-80% of aluminum oxide, 1-3% of magnesium oxide, 1-3% of calcium oxide, 0.5-2% of silicon dioxide and 0.5-2% of yttrium oxide.

In the embodiment, the mass content of the alumina is controlled to be 20-80% and the mass content of the zirconia is controlled to be 10-70% in the raw materials of the composite ceramic material, so that the toughness and the wear resistance of the composite casting green body substrate 2 product are maintained, the heat conductivity of the composite casting green body substrate 2 product is reduced, the heat loss of the heating tube body 1 is reduced, the heat is maximally transferred to the space outside the heating tube body 1, the composite casting green body substrate is suitable for being used as a carrier of a heating element, and the problems in the prior art are solved.

The above-mentioned embodiment does the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, do not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of thinking.

Claims

1. A composite ceramic heating element is characterized in that: the heating tube body is formed by winding at least two layers of composite casting green body substrates, a first insulating layer is arranged on one side of the front surface of each composite casting green body substrate, a heating layer is arranged on the surface of each first insulating layer, each heating layer is provided with a heating circuit and a group of heating circuit electrodes, two ends of each heating circuit are respectively connected with the corresponding heating circuit electrodes, a second insulating layer is arranged on the surface of each heating layer, the second insulating layer does not cover the heating circuit electrodes, the heating circuits are just arranged on the outer circumferential surface of the heating tube body after the composite casting green body substrates are wound, the heating circuit electrodes are located at one end of the heating tube body, a pointed end is embedded in the other end of the heating tube body, and a flange is sleeved at one end, close to the heating circuit electrodes, of the heating tube body; the outer circumferential surface of the heating tube body is also provided with a glass glaze layer.

2. A composite ceramic heat-generating body as described in claim 1, characterized in that: the heating layer is further provided with a temperature control circuit and a group of temperature control circuit electrodes, the second insulating layer does not cover the temperature control circuit electrodes, the temperature control circuit is located between the two poles of the heating circuit, and the two ends of the temperature control circuit are respectively connected with the corresponding temperature control circuit electrodes.

3. A composite ceramic heat-generating body as described in claim 2, characterized in that: the glass glaze layer covers one side of the flange from the pointed end and extends to the pipe end of the heating pipe body from the other side of the flange, and the glass glaze layer does not cover the heating circuit electrode and the temperature control circuit electrode.

4. A composite ceramic heat-generating body as described in claim 1, characterized in that: the heating tube body is a hollow round tube structure in a round tube rod shape.

5. A composite ceramic heat-generating body as described in claim 1, characterized in that: the glass glaze layer is a black glass glaze layer or a transparent glass glaze layer.

6. A composite ceramic heat-generating body as described in claim 1, characterized in that: the composite casting green body substrate is made of a composite ceramic material containing zirconium oxide and aluminum oxide.

7. A composite ceramic heat-generating body as described in claim 2, characterized in that: the heating circuit and the temperature control circuit are printed by one of tungsten slurry, molybdenum slurry, ruthenium slurry and manganese slurry.