Heating cup liner structure and portable coffee cup with same
By directly printing the heating circuit at the bottom of the coffee cup and combining the insulating material or dielectric layer design, the existing coffee cups are solved, and efficient and uniform heating is achieved and service life is extended.
Patent Information
- Application Number
- CN202422074742.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing heatable coffee cups have problems of uneven heating and low thermal efficiency.
The heating line is printed directly on the bottom of the cup. The bottom of the cup is made of insulating material or an insulating medium layer is printed on the bottom of the cup. The heating line is printed on the insulating medium layer. The design can also include multiple insulating layers to improve heat reflection efficiency.
It achieves high heating efficiency and uniform heating at the bottom of the cup, extending the service life of the heating cup.
Smart Images

Figure CN223054227U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heating, in particular to a heating cup liner structure and a portable coffee cup with the same. Background Art
[0002] Most of the existing heatable coffee cups are provided with a ceramic heating sheet at the bottom of the cup. Such a design has the defects of uneven heating and low thermal efficiency. Content of the Utility Model
[0003] To achieve the above object, the utility model provides a heating cup liner structure, which includes a cup body, a cup bottom and a heating circuit.
[0004] The cup bottom is made of an insulating material, and the heating circuit is printed and fired on the lower end surface of the cup bottom.
[0005] Alternatively, the cup bottom is made of a non-insulating material, an insulating dielectric layer is printed and fired on the lower end surface of the cup bottom, and the heating circuit is printed and fired on the insulating dielectric layer.
[0006] In some possible embodiments, the insulating dielectric layer has two layers and is divided into a first insulating layer and a second insulating layer. The first insulating layer is printed and fired on the cup bottom, the heating circuit is printed and fired on the first insulating layer, and the second insulating layer is printed and fired on the first insulating layer and the heating circuit, and the heating circuit is covered between the first insulating layer and the second insulating layer.
[0007] In some possible embodiments, the second insulating layer covers the heating circuit and makes the lower end surface of the cup bottom flat.
[0008] In some possible embodiments, the cup bottom is made of stainless steel and is integrally formed with the cup body.
[0009] In some possible embodiments, the cup bottom is welded and sealed to the cup body.
[0010] In some possible embodiments, the heating circuit is arranged at the central position of the cup bottom.
[0011] In some possible embodiments, the cup bottom is also provided with a drainage hole.
[0012] The utility model also provides a portable coffee cup, which includes the heating cup liner structure as described in the above embodiments.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the heating cup liner structure of the present utility model, the heating circuit is directly printed and fired on the bottom of the cup, and the heat generated by the heating circuit can be directly conducted to the bottom of the cup and heat the liquid in the cup, which has the advantages of high heating efficiency and uniform heating of the bottom of the cup. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0015] Figure 1 It is a three-dimensional structure bottom view of the heating cup liner structure provided by the embodiment of the present utility model;
[0016] Figure 2 It is a front view of the sectional structure of the heating cup liner structure provided by the embodiment of the present utility model;
[0017] Figure 3 is Figure 2 an enlarged schematic view of part A in
[0018] Explanation of the reference numerals in the drawings: cup body 10, cup bottom 11, heating circuit 12, insulating dielectric layer 13, first insulating layer 131, second insulating layer 132, wire 15, drain hole 16. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0020] Referring to Figures 1 to 3 a heating cup liner structure shown, which includes a cup body 10, a cup bottom 11 and a heating circuit 12. A wire 15 is connected to the output end of the heating circuit 12. The cup bottom 11 is made of an insulating material, and the heating circuit 12 is printed and fired on the lower end surface of the cup bottom 11, or the cup bottom 11 is made of a non-insulating material. At this time, a layer of insulating dielectric layer 13 is first printed and fired on the lower end surface of the cup bottom 11, and then the heating circuit 12 is printed and fired on the insulating dielectric layer 13; after being powered on, the heating circuit 12 generates heat and directly acts on the cup bottom 11, so that the liquid in the cup body 10 can be directly heated. Such a design can not only improve the heating efficiency, but also make the cup bottom 11 heated evenly and extend the service life of the heating cup liner.
[0021] In some possible embodiments, reference Figure 3 As shown, the insulating medium layer 13 has two layers and is divided into a first insulating layer 131 and a second insulating layer 132. The first insulating layer 131 is printed and burned on the cup bottom 11, the heating circuit 12 is printed and burned on the first insulating layer 131, and the second insulating layer 132 is printed and burned on the first insulating layer 131 and the heating circuit 12, and the heating circuit 12 is wrapped between the first insulating layer 131 and the second insulating layer 132; further, a heat reflecting layer is also provided on the second insulating layer 132 to reflect the heat emitted downward by the heating circuit 12 to the cup bottom 11, so as to further improve the heating efficiency.
[0022] In some possible embodiments, the second insulating layer 132 covers the heating circuit 12 and makes the lower end surface of the cup bottom 11 planar.
[0023] In some possible embodiments, the cup bottom 11 is made of stainless steel and is integrally formed with the cup body 10 . Specifically, the cup body 10 and the cup bottom 11 are integrally formed by stamping.
[0024] In some possible embodiments, the cup bottom 11 and the cup body 10 are designed to be produced separately, and the cup body 10 and the cup bottom 11 are cast or stamped separately.
[0025] In some possible embodiments, the heating circuit 12 is disposed at the center of the cup bottom 11 and is in a continuous ring shape and gradually extends outwardly in radiation, so that all parts of the cup bottom 11 are heated evenly.
[0026] In some possible embodiments, the cup bottom 11 is further provided with a drainage hole 16 . It should be understood that a switch (not shown) is further provided at the drainage hole 16 to close or open the drainage hole 16 .
[0027] The utility model also provides a portable coffee cup, which comprises the heating cup liner structure as described in the above embodiment.
[0028] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.
Claims
1. A heat-generating cup liner structure, characterized in that, It includes a cup body (10), a cup bottom (11) and a heating circuit (12). The cup bottom (11) is made of an insulating material, and the heating circuit (12) is printed and fired on the lower end face of the cup bottom (11). Alternatively, the cup bottom (11) is made of a non-insulating material, an insulating dielectric layer (13) is printed and fired on the lower end face of the cup bottom (11), and the heating circuit (12) is printed and fired on the insulating dielectric layer (13).
2. The heat-generating cup liner structure according to claim 1, wherein The insulating dielectric layer (13) has two layers and is divided into a first insulating layer (131) and a second insulating layer (132). The first insulating layer (131) is printed and fired on the cup bottom (11), the heating circuit (12) is printed and fired on the first insulating layer (131), and the second insulating layer (132) is printed and fired on the first insulating layer (131) and the heating circuit (12), and the heating circuit (12) is covered between the first insulating layer (131) and the second insulating layer (132).
3. The structure of a heat-generating cup liner according to claim 2, characterized in that, The second insulating layer (132) covers the heating circuit (12) and makes the lower end face of the cup bottom (11) flat.
4. A heat-generating cup liner structure according to claim 1, characterized in that, The cup bottom (11) is made of stainless steel and the cup bottom (11) is integrally formed with the cup body (10).
5. A heat-generating cup liner structure according to claim 1, characterized in that, The cup bottom (11) is fixedly sealed by welding with the cup body (10).
6. The structure of a heat-generating cup liner according to claim 1, characterized in that, The heating circuit (12) is arranged at the central position of the cup bottom (11).
7. The structure of a heat-generating cup liner according to claim 1, characterized in that, The cup bottom (11) is also provided with a drain hole (16).
8. A portable coffee cup, characterized in that, The portable coffee cup includes a heating cup liner structure as described in any one of claims 1 to 7 above.
Citation Information
Cited By
Surface-mounted heating device, manufacturing method thereof and portable coffee machine
CN121174315A
Integrated heating device, manufacturing method thereof and portable coffee machine
CN121196349A