One-shot injection integrated electronic PTC heater

Abstract

This utility model discloses a one-piece injection molded integrated electronic PTC heater, including a high-voltage plug and a low-voltage plug. A plastic shell is provided between the high-voltage plug and the low-voltage plug, and an IGBT spring is provided inside the plastic shell. IGBT springs are arranged sequentially from left to right on IGBT 1, IGBT 2, and IGBT 3. High-voltage pins 1, 2, and 3 are integrally injection molded with the low-voltage plug; while low-voltage pins 1 and 2 are integrally injection molded with the high-voltage plug. This integration of electronic components achieves a high degree of integration of the electronic circuit, and the connection of electronic components via pins simplifies the structure.

Description

Technical Field

[0001] This utility model relates to the field of PTC heater technology, and more specifically, to a one-time injection molded integrated electronic PTC heater. Background Technology

[0002] For new energy vehicles, existing heaters mostly use high and low voltage board plugs and wire connections, which are complex and cumbersome to assemble, consume too much manpower, and are prone to errors. Injection-molded integrated electronic PTC heaters simplify the assembly process, are molded in one piece, reduce labor costs, and improve the stability and reliability of PTC heaters.

[0003] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0004] In view of the problems in related technologies, this utility model proposes a one-time injection molded integrated electronic PTC heater to overcome the above-mentioned technical problems existing in the existing related technologies.

[0005] Therefore, the specific technical solution adopted by this utility model is as follows: An integrated electronic PTC heater, which is injection molded in one step, includes a high-voltage plug and a low-voltage plug. A plastic housing is provided between the high-voltage plug and the low-voltage plug. An IGBT spring is provided inside the plastic housing. IGBT spring is provided with IGBT 1, IGBT 2 and IGBT 3 from left to right.

[0006] Preferably, the top center of the plastic housing is provided with high-voltage pin one, high-voltage pin two and high-voltage pin three at equal intervals from left to right, which are connected to the high-voltage plug.

[0007] Preferably, the top of the plastic housing is symmetrically provided with a low-pressure pin one and a low-pressure pin two that are connected to the low-pressure plug.

[0008] Preferably, the high-voltage plug is connected to the low-voltage pin one and the low-voltage pin two.

[0009] Preferably, the low-voltage plug is connected to the high-voltage pin one, the high-voltage pin two, and the high-voltage pin three.

[0010] Preferably, the high-voltage pin one, the high-voltage pin two, and the high-voltage pin three are integrated with the low-voltage plug-in by injection molding.

[0011] Preferably, the low-pressure pin one and the low-pressure pin two are integrated with the high-pressure plug by injection molding.

[0012] The beneficial effects of this utility model are as follows: high voltage pin 1, high voltage pin 2 and high voltage pin 3 are integrally molded with low voltage plug-in; while low voltage pin 1 and low voltage pin 2 are integrally molded with high voltage plug-in, integrating electronic components into one, realizing a high degree of integration of electronic circuits, and simplifying the structure by connecting electronic components through pins. 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 one-time injection molded integrated electronic PTC heater according to an embodiment of the present utility model; Figure 2 This is a cross-sectional view of a one-time injection molded integrated electronic PTC heater according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the low-pressure component in a one-time injection molded integrated electronic PTC heater according to an embodiment of the present invention; Figure 4 This is a structural schematic diagram of a high-voltage insert in a one-time injection molded integrated electronic PTC heater according to an embodiment of the present utility model.

[0015] In the picture: 1. High-voltage connector; 2. Low-voltage connector; 3. Plastic housing; 4. IGBT 1; 5. IGBT 2; 6. IGBT 3; 7. IGBT spring; 8. High-voltage pin 1; 9. High-voltage pin 2; 10. High-voltage pin 3; 11. Low-voltage pin 1; 12. Low-voltage pin 2. Detailed Implementation

[0016] 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.

[0017] According to an embodiment of the present invention, a one-time injection molded integrated electronic PTC heater is provided. Example

[0018] like Figure 1-4As shown, the one-time injection molded integrated electronic PTC heater according to an embodiment of the present utility model includes a high-pressure plug 1 and a low-pressure plug 2. A plastic housing 3 is provided between the high-pressure plug 1 and the low-pressure plug 2. An IGBT spring 7 is provided inside the plastic housing 3. An IGBT 4, an IGBT 5, and an IGBT 6 are arranged sequentially from left to right on the IGBT spring 7. Example

[0019] like Figure 1-4 As shown, the top center of the plastic housing 3 is provided with high-voltage pin 1 8, high-voltage pin 2 9 and high-voltage pin 3 10 connected to the high-voltage plug 1 at equal intervals from left to right. The top of the plastic housing 3 is symmetrically provided with low-voltage pin 11 and low-voltage pin 2 12 connected to the low-voltage plug 2. The high-voltage plug 1 is connected to the low-voltage pin 11 and the low-voltage pin 2 12. Example

[0020] like Figure 1-4 As shown, the low-pressure plug 2 is connected to the high-pressure pin 1 8, the high-pressure pin 2 9 and the high-pressure pin 3 10. The high-pressure pin 1 8, the high-pressure pin 2 9 and the high-pressure pin 3 10 are integrated with the low-pressure plug 2 by injection molding. The low-pressure pin 1 11 and the low-pressure pin 2 12 are integrated with the high-pressure plug 1 by injection molding.

[0021] In summary, with the help of the above-mentioned technical solution of this utility model, high-voltage pin 1 8, high-voltage pin 2 9 and high-voltage pin 3 10 are integrally injection molded with low-voltage plug 2; while low-voltage pin 1 11 and low-voltage pin 2 12 are integrally injection molded with high-voltage plug 1, integrating electronic components into one, realizing a high degree of integration of electronic circuits, and simplifying the structure by connecting electronic components through pins.

[0022] 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 one-time injection molded integrated electronic PTC heater, characterized in that, It includes a high-voltage plug-in (1) and a low-voltage plug-in (2), and a plastic housing (3) is provided between the high-voltage plug-in (1) and the low-voltage plug-in (2). An IGBT spring (7) is provided inside the plastic housing (3), and IGBT one (4), IGBT two (5) and IGBT three (6) are arranged on the IGBT spring (7) from left to right.

2. The one-time injection molded integrated electronic PTC heater according to claim 1, characterized in that, The top center of the plastic housing (3) is provided with high-voltage pin one (8), high-voltage pin two (9) and high-voltage pin three (10) connected to the high-voltage plug (1) at equal intervals from left to right.

3. The integrated electronic PTC heater according to claim 2, characterized in that, The top of the plastic housing (3) is symmetrically provided with a low-pressure pin one (11) and a low-pressure pin two (12) that are connected to the low-pressure plug (2).

4. The one-time injection molded integrated electronic PTC heater according to claim 3, characterized in that, The high-voltage plug (1) is connected to the low-voltage pin one (11) and the low-voltage pin two (12).

5. The one-time injection molded integrated electronic PTC heater according to claim 4, characterized in that, The low-voltage plug (2) is connected to the high-voltage pin one (8), the high-voltage pin two (9) and the high-voltage pin three (10).

6. The one-time injection molded integrated electronic PTC heater according to claim 5, characterized in that, The high-voltage pin one (8), the high-voltage pin two (9) and the high-voltage pin three (10) are integrated with the low-voltage plug (2) by injection molding.

7. The one-time injection molded integrated electronic PTC heater according to claim 6, characterized in that, The low-pressure pin one (11) and the low-pressure pin two (12) are integrated with the high-pressure plug (1) by injection molding.

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