Ceramic insulation PTC heating tube

Abstract

The utility model discloses a ceramic insulation PTC heating tube, comprising a ceramic sheet, two sides of the ceramic sheet are provided with aluminum tubes, the side wall of each aluminum tube is provided with a PTC sheet, one side of each aluminum tube is provided with a silica gel plug, and one side of the ceramic sheet far away from the silica gel plug is provided with a ceramic substrate 1 and a ceramic substrate 2 which are symmetrically arranged. The other end of the first ceramic substrate and the other end of the second ceramic substrate are provided with a first electrode plate and a second electrode plate respectively, and the other end of the first electrode plate and the other end of the second electrode plate are connected with terminals. The silica gel plug is placed at the tail of the aluminum tube, the silica gel plug and the aluminum tube are in interference fit to isolate water and a circuit, the insulating performance of the whole vehicle is remarkably improved, the insulating performance and the safety coefficient of the heating tube are effectively improved, and the insulating quality of the heating tube is improved; the first ceramic substrate and the second ceramic substrate are placed in the middle of metal to isolate a circuit, the insulating performance of the whole vehicle is remarkably improved, the insulating performance and the safety coefficient of the heating tube are effectively improved, and the insulating quality of the heating tube is improved.

Description

Technical Field

[0001] This utility model relates to the field of PTC heater technology, and more specifically, to a ceramic insulated PTC heating tube. Background Technology

[0002] In the absence of engine waste heat, electronic heating products are needed to provide heat for winter vehicle heating, defrosting and defogging safety requirements, and the short lifespan of power batteries at low temperatures. PTC heaters are a good choice, and new energy vehicles require PTC heaters for their air conditioning systems.

[0003] Existing warm air heaters mostly achieve insulation through insulating paper, which has poor stability and requires high cleanliness, resulting in high after-sales costs. Using ceramic substrates can improve the insulation performance and safety factor, and reduce after-sales costs.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a ceramic insulated PTC heating tube to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A ceramic-insulated PTC heating tube includes a ceramic plate, aluminum tubes on both sides of the ceramic plate, PTC plates on the sidewalls of the aluminum tubes, a silicone plug on one side of the aluminum tubes, and two symmetrically arranged ceramic substrates, a first ceramic substrate and a second ceramic substrate, on the side of the ceramic plate away from the silicone plug. Electrode plates, a first electrode and a second electrode, are respectively provided at the other ends of the first ceramic substrate and the second ceramic substrate, and terminals are connected to the other ends of the first electrode and the second electrode.

[0008] Preferably, the first ceramic substrate and the second ceramic substrate are placed in the middle of the metal to isolate the circuit.

[0009] Preferably, the electrode sheet is connected to the ceramic substrate by a rivet.

[0010] Preferably, the second electrode sheet is connected to the second ceramic substrate by a second rivet.

[0011] The beneficial effects of this utility model are as follows: by placing a silicone plug at the end of the aluminum tube, the silicone plug and the aluminum tube are interference-fitted to isolate water and circuits, which significantly improves the insulation performance of the whole vehicle, effectively improves the insulation performance and safety factor of the heating tube, and improves the insulation quality of the heating tube.

[0012] Ceramic substrate one and ceramic substrate two are placed in the middle of the metal to isolate the circuit, which significantly improves the insulation performance of the whole vehicle, effectively improves the insulation performance and safety factor of the heating element, and improves the insulation quality of the heating element. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of a ceramic insulated PTC heating tube according to an embodiment of the present utility model;

[0015] Figure 2 This is a top view of a ceramic insulated PTC heating tube according to an embodiment of the present utility model;

[0016] Figure 3 yes Figure 2 A magnified view of a portion of point A in the middle;

[0017] Figure 4 yes Figure 2 A magnified view of a portion of point B in the middle;

[0018] Figure 5 This is a bottom view of a ceramic insulated PTC heating tube according to an embodiment of the present utility model.

[0019] In the picture:

[0020] 1. Ceramic sheet; 2. Aluminum tube; 3. PTC sheet; 4. Silicone plug; 5. Ceramic substrate one; 6. Ceramic substrate two; 7. Electrode one; 8. Electrode two; 9. Terminal; 10. Rivet one. Detailed Implementation

[0021] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0022] According to an embodiment of the present invention, a ceramic insulated PTC heating tube is provided.

[0023] Example 1:

[0024] like Figure 1-5 As shown, the ceramic insulated PTC heating tube according to an embodiment of the present invention includes a ceramic plate 1, aluminum tubes 2 on both sides of the ceramic plate 1, a PTC plate 3 on the side wall of the aluminum tube 2, a silicone plug 4 on one side of the aluminum tube 2, and symmetrically arranged ceramic substrate 1 5 and ceramic substrate 2 6 on the side of the ceramic plate 1 away from the silicone plug 4. Electrode 1 7 and electrode 2 8 are respectively provided at the other end of the ceramic substrate 1 5 and the ceramic substrate 2 6, and the other end of the electrode 1 7 and the electrode 2 8 are connected to a terminal 9.

[0025] Example 2:

[0026] like Figure 1-5 As shown, the first ceramic substrate 5 and the second ceramic substrate 6 are placed in the middle of the metal to isolate the circuit. The first electrode 7 is connected to the first ceramic substrate 5 by the first rivet 10, and the second electrode 8 is connected to the second ceramic substrate 6 by the second rivet 2.

[0027] In summary, by utilizing the above-mentioned technical solution of this utility model, the silicone plug 4 is placed at the tail end of the aluminum tube 2, and the silicone plug 4 and the aluminum tube 2 are interference-fitted to isolate water and circuits, which significantly improves the insulation performance of the whole vehicle, effectively improves the insulation performance and safety factor of the heating tube, and improves the insulation quality of the heating tube.

[0028] Ceramic substrate 5 and ceramic substrate 6 are placed in the middle of the metal to isolate the circuit, which significantly improves the insulation performance of the whole vehicle, effectively improves the insulation performance and safety factor of the heating element, and improves the insulation quality of the heating element.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A ceramic-insulated PTC heating tube, characterized in that, The device includes a ceramic sheet (1), aluminum tubes (2) on both sides of the ceramic sheet (1), PTC plates (3) on the sidewalls of the aluminum tubes (2), a silicone plug (4) on one side of the aluminum tubes (2), and symmetrically arranged ceramic substrate one (5) and ceramic substrate two (6) on the side of the ceramic sheet (1) away from the silicone plug (4). Electrode one (7) and electrode two (8) are respectively provided at the other ends of the ceramic substrate one (5) and the ceramic substrate two (6). Terminals (9) are connected to the other ends of the electrode one (7) and the electrode two (8).

2. The ceramic insulated PTC heating tube according to claim 1, characterized in that, The first ceramic substrate (5) and the second ceramic substrate (6) are placed in the middle of the metal to isolate the circuit.

3. The ceramic insulated PTC heating tube according to claim 1, characterized in that, The electrode sheet (7) is connected to the ceramic substrate (5) by a rivet (10).

4. A ceramic insulated PTC heating tube according to claim 1, characterized in that, The electrode sheet 2 (8) is connected to the ceramic substrate 2 (6) by the rivet 2.

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