PTC semiconductor heater

By designing a PTC liquid heater with multiple vertically distributed straight and curved pipe sections connected together, the problem of insufficient heat removal from the heating core in existing technologies has been solved, achieving efficient and uniform heating.

CN224034007UActive Publication Date: 2026-03-24ZHENJIANG SUNNA ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing PTC liquid heaters have low heating efficiency because the heating element is only attached to one side of the pipe, which prevents heat from being fully dissipated.

Method used

The pipeline is designed as multiple straight pipe sections distributed vertically, connected by bends, and mounting grooves and covers are provided on the mounting profiles. These are then fixed with bolts to ensure that the heat from the heating core is fully transferred to the liquid inside the pipeline.

Benefits of technology

This improves heating efficiency and ensures that heat is fully carried away as the liquid flows through the pipe, achieving uniform heating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PTC semiconductor heater, and belongs to the field of heaters. Which comprises a pipeline and an installation profile installed on the pipeline, and is characterized in that the pipeline is provided with bent pipe sections and straight pipe sections, the multiple straight pipe sections are connected through the bent pipe sections, the multiple straight pipe sections are divided into a plurality of groups, and each group of straight pipe sections comprises two straight pipe sections which are distributed in the same direction up and down; the installation section bar is arranged on two straight pipe sections which are distributed up and down, an installation groove located between the two straight pipe sections is formed in the installation section bar, and the installation groove is used for installing the PTC heating core body. The PTC semiconductor heater has the beneficial effects that the PTC semiconductor heater is provided, the pipeline is arranged to be the multiple straight pipe sections distributed up and down, meanwhile, the multiple straight pipe sections are connected through the bent pipe sections, when the PTC heating core body is used for heating, the pipeline can fully take away heat on the two sides of the PTC heating core body, and meanwhile when water flows in the pipeline, the water flow is not prone to falling off; and the PTC heating core body can be heated in different directions, so that the heating efficiency is ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of heaters, in particular, to a PTC semiconductor heater. BACKGROUND

[0002] The PTC semiconductor heater is composed of a PTC ceramic heating element and a pipeline, and is used for heating liquid in the pipeline. It is an automatic constant temperature and power saving electric heater. The existing PTC liquid heater is to paste the heating core on the surface of the tubular aluminum profile for heating. However, because the hot pipeline is usually pasted on only one side of the heating body, the liquid in the pipeline cannot fully take away the heat released from the other side of the PTC heating core during the flow and heating process, resulting in low heating efficiency.

[0003] Therefore, there is a need for a PTC semiconductor heater to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The summary part of the present application is used to introduce the concept in a simple form, which will be described in detail in the specific embodiment part. The summary part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0005] In order to solve the technical problems mentioned in the background part, some embodiments of the present application provide a PTC semiconductor heater, comprising: a pipeline and a mounting profile mounted on the pipeline, the pipeline has a bent pipe section and a straight pipe section, a plurality of straight pipe sections are connected through the bent pipe section, wherein the plurality of straight pipe sections are divided into groups, each group has two straight pipe sections which are distributed upward and downward in the same direction; the mounting profile is arranged on the two straight pipe sections distributed upward and downward, and a mounting groove is arranged on the mounting profile between the two straight pipe sections, the mounting groove is used for mounting a PTC heating core.

[0006] By arranging the pipeline into a plurality of straight pipe sections distributed upward and downward, and connecting the plurality of straight pipe sections through the bent pipe section, when heated by the PTC heating core, the pipeline can fully take away the heat of the PTC heating core, and at the same time, the water flow can be heated in different directions by the PTC heating core when flowing in the pipeline, thereby ensuring the heating efficiency.

[0007] Further, the mounting profile comprises a connecting portion between the two straight pipe sections and two cover plates respectively mounted on the upper and lower ends of the connecting portion; the mounting groove is arranged at the middle position of the connecting portion, and first grooves for embedding the straight pipe sections are arranged at the upper and lower ends of the connecting portion; the second grooves are arranged on the cover plates, and the second grooves and the first grooves combine to form a space for placing the straight pipe sections, the sidewalls of the first grooves are attached to the pipe walls of the straight pipe sections, and the second grooves are attached to the pipe walls of the straight pipe sections.

[0008] Through the cover plate and the connecting part arranged, when installing, the connecting part is arranged between the two straight pipe sections distributed vertically, and the pipeline is clamped through the cover plate, facilitating installation, and when maintaining, only the cover plate needs to be removed to check the pipeline, facilitating maintenance.

[0009] Further, bolt holes are arranged on both sides of the connecting part along the extension direction of the pipeline, and are fixed through mounting bolts.

[0010] The two cover plates are fixed through bolts, so that the cover plates are clamped on the upper side of the upper straight pipe section and the lower side of the lower straight pipe section, achieving clamping and fixing of the pipeline.

[0011] Further, a limiting groove is arranged on the cover plate for embedding the connecting part, and when the pipe wall of the straight pipe section is attached to the side walls of the first and second grooves, the connecting part does not abut against the bottom wall of the limiting groove.

[0012] When installing, the connecting part is embedded into the limiting groove, and since the connecting part abuts against the bottom wall of the limiting groove, the cover plate and the connecting part are fully attached to the pipeline, ensuring heat transfer.

[0013] Further, the installation groove is adapted to the PTC heating core, and the installation groove has an opening through which the PTC heating core is inserted into the installation groove.

[0014] Through the installation groove, the PTC heating core transfers heat to the connecting part, which in turn heats the liquid in the pipeline.

[0015] Further, the pipeline is made of stainless steel.

[0016] The beneficial effects of the present application are as follows:

[0017] 1. By arranging the pipeline into multiple straight pipe sections distributed vertically, and connecting the multiple straight pipe sections through the elbow pipe section, when heated by the PTC heating core, the pipeline can fully remove the heat of the PTC heating core, and when the water flows in the pipeline, it can be heated in different directions by the PTC heating core, ensuring heating efficiency.

[0018] 2. When installing, the connecting part is embedded into the limiting groove, and since the connecting part abuts against the bottom wall of the limiting groove 20, the cover plate and the connecting part are fully attached to the pipeline, ensuring heat transfer. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0020] In addition, throughout the drawings, same or similar reference numerals are used to designate same or similar elements. It should be understood that the drawings are schematic and elements and features are not necessarily to scale.

[0021] In the drawings:

[0022] Figure 1 is a schematic diagram of the whole according to an embodiment of the present application;

[0023] Figure 2 is Figure 1 is a partial enlarged schematic diagram at A in FIG. 1;

[0024] Figure 3 is Figure 1 is a schematic diagram of the structure of another angle of the embodiment;

[0025] Figure 4 is Figure 1 is a schematic diagram of the installation of the connecting part and the cover plate in the embodiment;

[0026] Figure 5 is Figure 1 is a schematic diagram of the structure of the first groove and the second groove in the embodiment.

[0027] Reference numerals:

[0028] 10, pipe; 11, mounting profile; 12, straight pipe section; 13, elbow pipe section; 14, connecting part; 15, cover plate; 16, mounting groove; 17, first groove; 18, second groove; 19, bolt; 20, limiting groove; 21, PTC heating core. DETAILED DESCRIPTION

[0029] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings of the present disclosure and the embodiments are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0030] It should also be noted that, for ease of description, only parts related to the present application are shown in the drawings. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0031] It should be noted that the concepts of "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not intended to limit the order or interdependence of the functions performed by these devices, modules or units.

[0032] It should be noted that the modification of "one", "a plurality of" mentioned in the present disclosure is illustrative but not restrictive, and those skilled in the art should understand that unless otherwise explicitly indicated in the context, it should be understood as "one or more".

[0033] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0034] Referring to Figures 1-5 The pipe 10 is formed by processing to have two S-shaped structures distributed vertically, and the two S-shaped structures are connected, each S-shaped structure has three straight pipe segments 12 and a bent pipe segment 13 connecting the three straight pipe segments 12, and the straight pipe segments 12 of the two S-shaped structure pipes 10 are vertically distributed and in the same direction.

[0035] The mounting profile 11 includes a connecting portion 14 between the two vertically distributed straight pipe segments 12 and two cover plates 15 respectively mounted on the upper and lower ends of the connecting portion 14, and a mounting groove 16 is formed in the middle of the connecting portion 14, and the PTC heating core 21 is arranged in the mounting groove 16, so that the two straight pipe segments 12 are located on both sides of the PTC heating core 21, and the heat of the PTC heating core 21 can be fully taken away. The pipe 10 is made of stainless steel or red copper to ensure heat conductivity and corrosion resistance. The PTC heating core 21 can be installed into the mounting groove 16 in an inserted manner, which is convenient for replacement or disassembly.

[0036] First grooves 17 for embedding the straight pipe segments 12 are formed on the upper and lower ends of the connecting portion 14, and second grooves 18 are formed on the cover plates 15, the second grooves 18 and the first grooves 17 combine to form a space for placing the straight pipe segments 12, the sidewall of the first groove 17 is in contact with the pipe wall of the straight pipe segment 12, and the sidewall of the second groove 18 is in contact with the pipe wall of the straight pipe segment 12.

[0037] In order to make the pipe wall fully contact with the connecting portion 14 during installation and ensure the heat transfer efficiency, a limiting groove 20 is formed on the cover plate 15 for embedding the connecting portion 14, and when the pipe wall of the straight pipe segment 12 is in contact with the sidewall of the first groove 17 and the sidewall of the second groove 18, the connecting portion 14 does not abut against the bottom wall of the limiting groove 20. A bolt 19 is arranged between the two cover plates 15 and distributed on both sides of the connecting portion 14 along the extension direction of the pipe 10, and is fixed by the bolt 19. The two cover plates 15 are brought close to each other by the bolt 19, and the pipe 10 is pressed against the connecting portion 14.

[0038] Working process or use method:

[0039] When the water flows in the pipe 10, it flows through the two sides of the PTC heating core 21 respectively, so as to fully take away the heat generated by the PTC heating core 21.

[0040] In the installation, the connecting part 14 is placed between the two straight pipe sections 12 distributed vertically, and the two cover plates 15 are installed on the two sides of the connecting part 14, and are connected by the bolts 19, so that the cover plates 15 press the pipe 10 to make the pipe 10 fully adhere to the connecting part 14.

[0041] The above description is only some of the preferred embodiments of the present disclosure and an explanation of the principles of the technology used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or equivalent features without departing from the above inventive concept. For example, the above features are replaced with each other to form a technical solution with similar functions disclosed in the embodiments of the present disclosure (but not limited to).

Claims

1. A PTC semiconductor heater, comprising: The pipe (10) and the mounting profile (11) installed on the pipe (10) are characterized in that: The pipe (10) has a bend (13) and a straight section (12). Multiple straight sections (12) are connected by bends (13). The multiple straight sections (12) are divided into multiple groups, and each group has two straight sections (12) that are in the same direction and distributed vertically. The mounting profile (11) is set on two straight pipe sections (12) distributed vertically. A mounting groove (16) is provided on the mounting profile (11) between the two straight pipe sections (12). The mounting groove (16) is used to install the PTC heating core.

2. The PTC semiconductor heater according to claim 1, characterized in that: The mounting profile (11) includes a connecting part (14) located between two straight pipe sections (12) and two cover plates (15) respectively installed at the upper and lower ends of the connecting part (14); The mounting groove (16) is located in the middle of the connecting part (14), and the upper and lower ends of the connecting part (14) are provided with first grooves (17) for the straight pipe section (12) to be inserted. The cover plate (15) is provided with a second groove (18), which is combined with the first groove (17) to form a space for placing the straight pipe section (12). The side wall of the first groove (17) is in contact with the pipe wall of the straight pipe section (12), and the second groove (18) is in contact with the pipe wall of the straight pipe section (12).

3. The PTC semiconductor heater according to claim 2, characterized in that: Bolt holes are provided between the two cover plates (15) and distributed on both sides of the connection part (14) along the extension direction of the pipe (10), and are fixed by mounting bolts (19).

4. The PTC semiconductor heater according to claim 3, characterized in that: The cover plate (15) has a limiting groove (20) for the connecting part (14) to be inserted. When the pipe wall of the straight pipe section (12) is in contact with the side wall of the first groove (17) and the side wall of the second groove (18), the connecting part (14) does not abut against the bottom wall of the limiting groove (20).

5. The PTC semiconductor heater according to claim 4, characterized in that: The mounting slot (16) is adapted to the PTC heating core. The mounting slot (16) has an opening through which the PTC heating core is inserted into the mounting slot (16).

6. The PTC semiconductor heater according to claim 1, characterized in that: The pipe (10) is made of stainless steel.