All-glass liquid heater

By spraying a thick film slurry layer onto the bottom of the glass vessel and using an external heating element to transfer heat, the thermal efficiency and safety issues of the all-glass liquid heater were solved, achieving improvements in thermal efficiency and uniformity as well as enhanced safety.

CN223886669UActive Publication Date: 2026-02-10龚同庆
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Patent Information

Application Number
CN202520482561.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-10
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing all-glass liquid heaters have low thermal efficiency and thermal uniformity, and pose safety hazards, such as potential electrical leakage if the glass container breaks.

Method used

A thick film slurry layer is sprayed onto the bottom of the glass pot, and heat is transferred through an external heating element to avoid direct electrical connection to the glass pot. Thick film technology is used to improve thermal efficiency and heating uniformity.

Benefits of technology

This achieves improved thermal efficiency and heating uniformity, while also enhancing the safety of the liquid heater and avoiding the risk of electric leakage caused by directly connecting the glass pot to electricity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223886669U_ABST
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Abstract

The utility model relates to a liquid heater, in particular to an all-glass liquid heater, a glass kettle body comprises a main body, a thick film slurry layer is arranged at the bottom of the main body, the all-glass liquid heater further comprises a heating body, the heating body is abutted against the bottom of the glass kettle body, and heat generated by the heating body is transmitted to the main body through the thick film slurry layer. The thick film slurry is sprayed at the bottom of the glass kettle body, so that the thick film slurry layer is formed at the bottom of the glass kettle body, the external heating body is used for heating the glass kettle body, heat generated by the heating body is transmitted to the main body through the thick film slurry layer, and the heat efficiency and the heating uniformity are improved by using a thick film technology; and the glass kettle body is prevented from being directly electrified, so that the safety of the liquid heater is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid heater, in particular to a full glass liquid heater. BACKGROUND

[0002] The patent with the publication number CN204207576U discloses a glass electric heating kettle, which comprises a glass cover body, a glass kettle body and a bottom cover, the bottom of the glass kettle body is provided with a heating body, the heating body coated on the outer surface of the bottom of the glass kettle body is a carbon paste printed heating circuit, and the carbon paste printed heating circuit is laid in a corrugated shape.

[0003] The above-mentioned technology coats the carbon paste printed heating circuit on the bottom of the glass kettle body, so that the carbon paste printed heating circuit is integrally connected with the glass kettle body, the carbon paste printed heating circuit itself serves as the heating body, the glass kettle body is heated through the electric heating body, the thick film heating technology is used in the glass kettle body, the thermal efficiency and the thermal uniformity of the electric heating kettle are improved, and the damage of the glass kettle body caused by uneven heating is prevented.

[0004] However, the heating body of the above-mentioned technology is integrally arranged on the bottom of the glass kettle body, the heating body is electrified after being connected with electricity, and the safety needs to be improved because the electric leakage is prone to occur when the glass kettle body is broken.

[0005] Therefore, a full glass liquid heater capable of improving the thermal efficiency and the thermal uniformity and having safety is urgently needed. SUMMARY

[0006] To solve the above-mentioned technical problems, the purpose of the utility model is to provide a full glass liquid heater capable of improving the thermal efficiency and the heating uniformity and having safety.

[0007] The utility model adopts the technical scheme that a full glass liquid heater, which comprises a glass kettle body, the glass kettle body comprises a main body, the bottom of the main body is provided with a thick film paste layer, further comprises a heating body, the heating body abuts against the bottom of the glass kettle body, and the heat generated by the heating body is transmitted to the main body through the thick film paste layer.

[0008] As a further improvement of the above-mentioned technical scheme, the thick film paste layer is formed by curing thick film paste, and the thick film paste layer is integrally fixed on the bottom of the main body by spraying the thick film paste.

[0009] As a further improvement of the above-mentioned technical scheme, the thick film paste is any one of a metal-based paste, a metal oxide-based paste and a composite-based paste.

[0010] As a further improvement of the above technical solution, the heating base is fixedly connected below the glass kettle body; a first groove is arranged at the upper end of the base, and the heating body is installed in the first groove, and a compression spring is arranged between the heating body and the first groove.

[0011] As a further improvement of the above technical solution, the upper end of the heating base is further provided with a second groove, the first groove is located at the middle of the bottom surface of the second groove, the bottom of the glass kettle body is provided with a protruding portion, the protruding portion is inserted into the second groove, and the side wall and the bottom surface of the protruding portion are attached to the side wall and the bottom surface of the second groove and are fixedly connected together by glue.

[0012] As a further improvement of the above technical solution, an annular groove is arranged on the bottom surface of the second groove, and the annular groove is arranged at the outer periphery of the first groove, and the glue is filled in the annular groove.

[0013] As a further improvement of the above technical solution, the lower end of the heating base is provided with a first coupler, and the first coupler is electrically connected with the heating body; the kettle base is further provided with a mounting cavity adapted to the heating base, and a second coupler corresponding to the first coupler is arranged in the mounting cavity.

[0014] As a further improvement of the above technical solution, the heating body is an aluminum heating body.

[0015] The beneficial effects of the present application are as follows: the thick film paste is sprayed on the bottom of the glass kettle body, a thick film paste layer is formed on the bottom of the glass kettle body, and the external heating body is used to heat the glass kettle body, the heat generated by the heating body is transmitted to the main body through the thick film paste layer, the thick film technology is used to improve the heat efficiency and heating uniformity, and the safety of the liquid heater is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further explained and described in connection with the accompanying drawings and specific embodiments.

[0017] Figure 1 is a sectional view of the glass kettle body of the present application;

[0018] Figure 2 is a sectional view of the glass kettle body and the heating base combined after the present application;

[0019] Figure 3 is Figure 2 is an enlarged schematic view of the structure at A in the middle;

[0020] Figure 4 is a sectional view of the heating base of the present application;

[0021] Figure 5 The structure of the utility model is shown in the exploded view;

[0022] In the drawing: 1-glass kettle body, 11-main body, 12-protruding part, 2-heating base, 21-heating body, 22-first recess, 23-compression spring, 24-second recess, 25-annular groove, 26-first coupler, 3-kettle base, 31-mounting cavity. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as the limitation of the utility model.

[0025] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood broadly, and the skilled person in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0026] Reference Figures 1 to 5 A glass kettle body 1, comprising a main body 11, the bottom of the main body 11 is provided with a thick film paste layer, the thick film paste layer is formed by curing thick film paste, the thick film paste layer is integrally sprayed and fixed on the bottom of the main body 11 by spraying process after thick film paste hot melting, the thick film paste layer itself cannot be connected to electricity, cannot directly heat, and cannot be used as a heating body, but only used for conducting heat.

[0027] In some embodiments, the thick film paste is any one of metal-based paste, metal oxide-based paste and composite-based paste.

[0028] In a preferred embodiment, the thick film paste is silver conductor paste.

[0029] The all-glass liquid heater (electric kettle) comprises the glass kettle body 1, and further comprises a heating body 21 abutting against the bottom of the glass kettle body 1 (contacting the thick film paste layer), wherein the heating body 21 generates heat which is transmitted to the main body 11 through the thick film paste layer, thereby improving the thermal efficiency and heating uniformity by using the thick film technology, avoiding direct connection of the glass kettle body 1 to the electricity, and improving the safety of the all-glass liquid heater.

[0030] In some embodiments, a heating base 2 is further included, which is fixedly connected below the glass kettle body 1; the upper end of the base is provided with a first groove 22, the heating body 21 is installed in the first groove 22, and a compression spring 23 is arranged between the heating body 21 and the first groove 22, so that the heating body 21 has an upward tendency under the action of the compression spring 23, and the heating body 21 abuts against the bottom of the glass kettle body 1.

[0031] In preferred embodiments, the upper end of the heating base 2 is further provided with a second groove 24, the first groove 22 is located in the middle of the bottom surface of the second groove 24, the bottom of the glass kettle body 1 is provided with a protruding portion 12 (the thick film paste layer is located on the outer surface of the protruding portion 12), the protruding portion 12 protrudes downward, the protruding portion 12 is inserted into the second groove 24, and the side wall and bottom surface of the protruding portion 12 are fitted with the side wall and bottom surface of the second groove 24 and are fixedly connected together by glue, so as to strengthen the bonding area of the heating base 2 and the glass kettle body 1 and improve the stability of the structure; in other embodiments, the bottom of the glass kettle body 1 can be a plane or a concave position protruding upward.

[0032] In some embodiments, the bottom surface of the second groove 24 is provided with an annular groove 25, the annular groove 25 is arranged at the outer periphery of the first groove 22, the glue is filled in the annular groove 25, and the bottom surface of the glass kettle body 1 and the bottom surface of the second groove 24 are bonded together by the glue in the annular groove 25.

[0033] In some embodiments, the lower end of the heating base 2 is provided with a first coupler 26, the first coupler 26 is electrically connected with the heating body 21; and a kettle base 3 is further included, the middle portion of the kettle base 3 is provided with a mounting cavity 31 matched with the heating base 2, and the mounting cavity 31 is provided with a second coupler corresponding to the first coupler 26.

[0034] In some embodiments, the heating body 21 is an aluminum heating body, which transmits heat to the glass kettle body 1 in the form of heat transfer.

[0035] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent structural transformation made by using the present application specification and drawing contents, or directly or indirectly applied in other related technical fields are included in the patent protection range of the present application.

Claims

1. An all-glass liquid heater, comprising a glass vessel (1), said glass vessel (1) comprising a main body (11), characterized in that: The bottom of the main body (11) is provided with a thick film slurry layer and also includes a heating element (21). The heating element (21) abuts against the bottom of the glass pot body (1), and the heat generated by the heating element (21) is transferred to the main body (11) through the thick film slurry layer.

2. The all-glass liquid heater as described in claim 1, characterized in that: The thick film slurry layer is formed by curing thick film slurry, and the thick film slurry layer is integrally fixed to the bottom of the main body (11) by spraying thick film slurry.

3. The all-glass liquid heater as described in claim 2, characterized in that: The thick film slurry is any one of metal-based slurry, metal oxide-based slurry, and composite-based slurry.

4. The all-glass liquid heater as described in claim 1, characterized in that: It also includes a heating base (2), which is fixedly connected to the bottom of the glass pot body (1); the upper end of the base is provided with a first groove (22), the heating element (21) is installed in the first groove (22), and a compression spring (23) is provided between the heating element (21) and the first groove (22).

5. The all-glass liquid heater as described in claim 4, characterized in that: The upper end of the heating base (2) is also provided with a second groove (24). The first groove (22) is located in the middle of the bottom surface of the second groove (24). The bottom of the glass pot body (1) is provided with a protrusion (12). The protrusion (12) is inserted into the second groove (24). The side wall and bottom surface of the protrusion (12) are attached to the side wall and bottom surface of the second groove (24) and fixed together with glue.

6. The all-glass liquid heater as described in claim 5, characterized in that: An annular groove (25) is provided on the bottom surface of the second groove (24). The annular groove (25) is provided on the outer periphery of the first groove (22), and the glue is filled in the annular groove (25).

7. The all-glass liquid heater as described in claim 4, characterized in that: The lower end of the heating base (2) is provided with a first coupler (26), which is electrically connected to the heating element (21); it also includes a kettle base (3), the middle part of which is provided with an installation cavity (31) adapted to the heating base (2), and a second coupler corresponding to the first coupler (26) is provided in the installation cavity (31).

8. The all-glass liquid heater as described in claim 1, characterized in that: The heating element (21) is an aluminum heating element.

Citation Information

Patent Citations

  • Glass electric heating kettle

    CN204207576U