Electric heater driver shell with positioning sealing structure

Abstract

The utility model discloses an electric heater driver housing with a positioning sealing structure. The device comprises a shell, and the bottom surface of the shell is provided with a plastic-coated electrode mounting groove through which an electrode part of a plastic-coated electrode penetrates; a plurality of positioning bosses and positioning columns which are used for positioning and mounting the plastic-coated electrode are arranged in the shell, and a dispensing groove which is used for sealing the mounting surface of the shell and the plastic-coated electrode is formed in the shell. And the overall layout of the plurality of positioning bosses in the shell is matched with the outer contour of the plastic-coated electrode. And the positioning columns are matched with the positioning holes in the plastic-coated electrode in position. And the dispensing groove is an annular groove positioned at the periphery of the plastic-coated electrode mounting groove. The device has the advantages that the plastic-coated electrode is positioned and mounted by using the positioning boss and the positioning column which are matched with the outer contour and the shape of the plastic-coated electrode, so that the mounting stability of the plastic-coated electrode is improved; the glue dispensing groove is formed in the shell, sealant is prevented from overflowing, the sealing effect between the plastic-coated electrode and the shell is guaranteed, and therefore the protection performance of the control end of the heater is improved, and the risk of water inflow failure is reduced.

Description

Technical Field

[0001] This utility model relates to an electric heater, specifically an electric heater driver housing with a positioning and sealing structure. Background Technology

[0002] With the development of the times, new energy vehicles are playing an increasingly important role in social transportation. The PTC air heater is a crucial component of the vehicle's air conditioning and heating system. The driver housing is used to mount the heater control board, and the plastic-coated electrodes serve as the power supply electrodes for the heating elements. The driver housing connects to the heater control board to control the heating elements.

[0003] As the reliability requirements for PTC air heaters become increasingly stringent, the sealing requirements after the actuator housing and the plastic-coated electrodes are also becoming more stringent. If the positioning structure is not properly designed, the plastic-coated electrodes may become misaligned after installation, leading to difficulties in control board installation and a risk of electrode breakage. Furthermore, before installing the plastic-coated electrodes, sealant needs to be applied to their tail ends. However, when they are fitted to the actuator housing, the lack of a proper sealant applicator can cause sealant overflow, resulting in inadequate sealing of the actuator housing and potential water ingress into the controller, thus creating electrical safety hazards. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide an electric heater driver housing with a positioning and sealing structure that has strong positioning capability and good sealing effect.

[0005] To solve the above-mentioned technical problems, the electric heater driver housing with positioning and sealing structure of this utility model includes a housing, the bottom surface of which is provided with a plastic-coated electrode mounting groove for the electrode portion of the plastic-coated electrode to pass through; the housing is provided with a plurality of positioning bosses and positioning posts for positioning and installing the plastic-coated electrode, and has a dispensing groove for sealing the housing with the mounting surface of the plastic-coated electrode.

[0006] The overall layout of the plurality of positioning bosses in the housing matches the outer contour of the plastic-coated electrode.

[0007] The positioning post is matched with the positioning hole on the plastic-coated electrode.

[0008] The dispensing groove is an annular groove located around the periphery of the plastic-coated electrode mounting groove.

[0009] The number of positioning bosses is four.

[0010] The number of positioning posts is two.

[0011] The advantages of this invention are: the use of positioning bosses and positioning posts that match the outer contour and shape of the plastic-coated electrode for positioning and installation improves its installation stability; the opening of the adhesive groove in the housing prevents the sealant from overflowing, ensuring the sealing effect between the plastic-coated electrode and the housing, thereby improving the protection performance of the heater control end and reducing the risk of water ingress failure. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present utility model;

[0013] Figure 2 This is a top view of the present invention;

[0014] Figure 3 This is a top view of the present invention after the plastic-coated electrode has been installed;

[0015] Figure 4 This is a cross-sectional view of the present invention after the plastic-coated electrode has been installed. Detailed Implementation

[0016] The electric heater driver housing with a positioning and sealing structure of this utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] As shown in the figure, the electric heater driver housing with positioning and sealing structure of this utility model includes a housing 5. The bottom surface of the housing 5 is provided with a plastic-coated electrode mounting groove 4 for the electrode part of the plastic-coated electrode 6 to pass through. An annular groove is opened around the plastic-coated electrode mounting groove 4 as a dispensing groove 3 to achieve sealing between the housing 5 and the mounting surface of the plastic-coated electrode 6. The housing 5 is provided with four positioning bosses 1 and two positioning posts 2 for positioning and installing the plastic-coated electrode 6. The overall layout of the four positioning bosses 1 in the housing 5 matches the outer contour of the plastic-coated electrode 6, and the positioning posts 2 match the position of the positioning holes on the plastic-coated electrode 6.

[0018] During installation, firstly, a measured amount of adhesive is dispensed into the adhesive dispensing groove 3 to evenly fill it. Then, the plastic-coated electrode 6 is installed in a fixed position in the housing 5 through the positioning action of the positioning boss 1, positioning post 2, and plastic-coated electrode mounting groove 4. Subsequently, it is tightened with two M3x8 screws, thereby improving the installation stability of the plastic-coated electrode 6 and ensuring the sealing effect between it and the housing 5. This improves the protection performance of the heater control end and reduces the risk of water ingress failure.

[0019] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. An electric heater driver housing with a location seal structure, comprising a housing, characterized in that: The bottom surface of the shell (5) is provided with a plastic-coated electrode mounting groove (4) for the plastic-coated electrode part to pass out; the shell (5) is provided with a plurality of positioning bosses (1) and positioning columns (2) for positioning and mounting the plastic-coated electrode, and is provided with a point gluing groove (3) for realizing the sealing of the shell (5) and the plastic-coated electrode mounting surface.

2. An electric heater driver housing with a location seal structure according to claim 1, characterized in that: The overall layout of the plurality of positioning bosses (1) in the shell (5) matches the outer contour of the plastic-coated electrode.

3. An electric heater driver enclosure with a location seal structure according to claim 1, characterized in that: The position of the positioning column (2) matches the position of the positioning hole on the plastic-coated electrode.

4. An electric heater driver enclosure with a location seal structure according to claim 1, characterized in that: The point gluing groove (3) is a ring groove located at the periphery of the plastic-coated electrode mounting groove (4).

5. An electric heater driver enclosure with a location seal structure according to claim 1, wherein: The number of the positioning bosses (1) is four.

6. An electric heater driver enclosure with a location seal structure according to claim 1, wherein: The number of the positioning columns (2) is two.

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