Flat plate type high-voltage-resistant automobile fuse

Abstract

The utility model discloses a flat plate type high-voltage-resistant automobile fuse comprising an upper shell and a lower shell, the inner walls of the upper shell and the lower shell are fixedly provided with silicone rubber layers, the centers of the upper ends and the lower ends of the upper shell and the lower shell are fixedly provided with cooling fins, the top of the interior of the upper shell is fixedly connected with four positioning columns, and the top of the interior of the lower shell is fixedly connected with the four positioning columns. And the bottom in the lower shell is fixedly connected with positioning cylinders corresponding to the bottoms of the four positioning columns. According to the flat plate type high-voltage-resistant automobile fuse, through the design of the silicon rubber layers, the cooling fins, the positioning columns, the positioning cylinders, the heat conduction plates and the heat conduction wires, the silicon rubber layers are arranged on the inner walls of the upper shell and the lower shell of the fuse, so that the insulating property of the fuse is enhanced, and the fuse can still keep a stable working state in a high-voltage environment; especially under the high-temperature or high-load working condition, the silicone rubber layer and the cooling fins can effectively and rapidly dissipate heat out, and the interior of the fuse is prevented from being overheated.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fuses, in particular to a flat-plate high-voltage resistant automobile fuse. Background Art

[0002] Car fuses are important safety protection components in car circuits. They are similar to fuses in household circuits. When the current in the circuit rises abnormally, such as due to a short circuit or equipment overload, the car fuse will quickly melt and cut off the circuit to prevent electrical equipment from being damaged by overcurrent, protecting the safety of car circuits and electrical equipment. These fuses are usually made of metal wire or alloy and are installed in the fuse box. Car owners can determine whether there is a problem with the circuit by checking the status of the fuses in the fuse box and replace the fuses of corresponding specifications as needed.

[0003] Existing flat-plate automotive fuses have significant shortcomings in heat dissipation. While their flat-plate design provides a large contact area and stable conductivity, under high loads or long operating conditions, the lack of an effective heat dissipation mechanism can easily lead to excessively high temperatures within the fuse. This high temperature can not only degrade the fuse's performance but may even cause premature melting or damage, thereby reducing the reliability and safety of the entire automotive circuit system. Therefore, we propose a flat-plate, high-voltage automotive fuse. Utility Model Content

[0004] The present utility model aims to provide a flat-type high-voltage automotive fuse to address the problem raised in the above-mentioned background art that, under high load or long-term operation, the fuse may easily generate excessively high temperatures due to the lack of an effective heat dissipation mechanism. Such high temperatures may not only degrade the performance of the fuse but may even cause the fuse to blow prematurely or be damaged, thereby reducing the reliability and safety of the entire automotive circuit system.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a flat-type high-voltage automotive fuse, comprising an upper shell and a lower shell, wherein the inner walls of the upper shell and the lower shell are fixedly mounted with a silicone rubber layer, and the upper and lower ends of the upper shell and the lower shell are fixedly mounted with heat sinks, the top of the upper shell is fixedly connected to four positioning posts, and the bottom of the lower shell is fixedly connected to positioning cylinders corresponding to the bottoms of the four positioning posts, respectively. A melt is provided in the center between the upper and lower shells, and both ends of the melt are fixedly connected to electrode sheets, and the top position of the positioning post surface and the top of the positioning cylinder are fixedly connected to heat conducting plates, and both sides of the top and bottom of the eight heat conducting plates arranged above and below are fixedly connected to heat conducting wires.

[0006] Compared with the prior art, the beneficial effects of the present invention are:

[0007] This flat-type high-voltage automotive fuse features a silicone rubber layer, heat sink, positioning post, positioning cylinder, heat conducting plate, and thermal wire. Silicone rubber layers are provided on the inner walls of the upper and lower shells of the fuse, enhancing the fuse's insulation performance and enabling it to maintain a stable operating state even in high-voltage environments. Furthermore, the heat sink design significantly enhances the overall heat dissipation effect. Especially under high-temperature or high-load operating conditions, the silicone rubber layer and heat sink effectively and rapidly dissipate heat, preventing overheating within the fuse. Positioning posts and positioning cylinders are provided between the upper and lower shells, and heat conducting plates are installed on their upper and lower surfaces. Thermal wire connects the heat conducting plates to the silicone rubber layer, forming an efficient heat conduction mechanism. This design ensures that heat is quickly and evenly transferred from the fuse to the heat sink and then dissipated into the environment, significantly improving the fuse's heat dissipation performance, structural stability, and ease of installation and maintenance. This provides a more reliable and efficient solution for the safety protection of automotive circuits. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the structure of the utility model;

[0009] Figure 2 This is a three-dimensional diagram of the positioning structure of the utility model;

[0010] Figure 3 This is a top view of the structure of the utility model;

[0011] Figure 4 This is the main view of the structure of the utility model.

[0012] In the figure: 1. Upper shell; 2. Lower shell; 3. Silicone rubber layer; 4. Heat sink; 5. Positioning column; 6. Positioning cylinder; 7. Heat conducting plate; 8. Heat conducting wire; 9. Electrode sheet; 10. Melt; 11. Fastening hole. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] See also Figure 1-4The utility model provides a technical solution: a flat-type high-voltage automotive fuse, comprising an upper shell 1 and a lower shell 2, the inner walls of the upper shell 1 and the lower shell 2 are fixedly mounted with a silicone rubber layer 3, the upper and lower ends of the upper shell 1 and the lower shell 2 are fixedly mounted with heat sinks 4, the top of the upper shell 1 is fixedly connected to four positioning columns 5, the bottom of the lower shell 2 corresponds to the bottom of the four positioning columns 5 and is fixedly connected to a positioning cylinder 6, a melt 10 is arranged in the center between the upper shell 1 and the lower shell 2, both ends of the melt 10 are fixedly connected to electrode sheets 9, the top position of the surface of the positioning column 5 and the top of the positioning cylinder 6 are fixedly connected with a heat conducting plate 7, and the top and bottom sides of the eight heat conducting plates 7 arranged above and below are fixedly connected with heat conducting wires 8.

[0015] A cavity is formed between the upper shell 1 and the lower shell 2 , and opposite ends of the two electrode sheets 9 pass through the outside of the cavity. The electrode sheets 9 passing through the outside of the cavity are used to be fixed to the fuse holder.

[0016] Fastening holes 11 are provided on opposite sides of the top of the two electrode sheets 9. The fastening holes 11 allow the electrode sheets 9 to be connected to the circuit through bolts or other fasteners to ensure stable current transmission, while also providing a convenient installation and disassembly method.

[0017] The bottoms of the four heat-conducting plates 7 arranged at the top are in contact with the upper end surfaces of the two electrode sheets 9 respectively, and the tops of the four heat-conducting plates 7 arranged at the bottom are in contact with the lower end surfaces of the two electrode sheets 9 respectively, ensuring that the heat of the electrode sheets 9 can be quickly and evenly conducted to the heat-conducting plates 7, and then dissipated into the environment through the thermal wires 8 and the heat sink 4, thereby effectively reducing the temperature of the fuse and improving its working stability and life.

[0018] The lower end of the positioning column 5 passes through the interior of the electrode sheet 9 and the positioning tube 6 in sequence and is plugged into the inner wall of the positioning tube 6. The plugging of the positioning column 5 and the positioning tube 6 ensures that the upper and lower heat conducting plates 7 can stably contact the top and bottom surfaces of the electrode sheet 9 respectively.

[0019] One end of the heat-conducting wire 8 is fixedly connected to the inner wall of the silicone rubber layer 3 , ensuring that the heat-conducting wire 8 conducts heat to the silicone rubber layer 3 .

[0020] Screws are threadedly connected at the front and rear ends of both sides of the top of the upper shell 1. The lower ends of the screws pass through the exterior of the upper shell 1 and the electrode sheet 9 and are threadedly connected to the screw holes provided in the lower shell 2. This ensures a tight connection between the upper shell 1 and the lower shell 2 to prevent the intrusion of external factors such as moisture and dust. It also ensures the stable fixation of the electrode sheet 9 to prevent it from moving or falling off during use.

[0021] When the melt 10 and the electrode sheet 9 generate heat, the heat conducting plates 7 at the top and bottom quickly conduct the heat to themselves through direct contact with the electrode sheet 9. The heat conducting wires 8 fixed on both sides of the heat conducting plates 7 further diffuse the heat to the entire outer shell of the fuse. One end of the heat conducting wire 8 is fixedly connected to the inner wall of the silicone rubber layer 3, conducting part of the heat to the silicone rubber layer 3, and using the thermal conductivity of the silicone rubber to help dissipate heat. Finally, the heat sink 4 installed on the upper shell 1 and the lower shell 2 increases the contact area between the fuse and the surrounding environment. Through natural convection and radiation heat dissipation, the heat is effectively dissipated to the surrounding environment, ensuring that a low operating temperature can be maintained under high current load, effectively extending the service life of the fuse and improving the safety and reliability of the automotive circuit system.

[0022] In summary, the flat-type high-voltage automotive fuse, through the design of the silicone rubber layer 3, heat sink 4, positioning column 5, positioning cylinder 6, heat conducting plate 7 and thermal wire 8, is provided with the silicone rubber layer 3 on the inner walls of the upper shell 1 and lower shell 2 of the fuse, thereby enhancing the insulation performance of the fuse, so that it can still maintain a stable working state under high-voltage environments. In addition, the design of the heat sink 4 greatly enhances the overall heat dissipation effect. Especially under high temperature or high-load operating conditions, the silicone rubber layer 3 and heat sink 4 can effectively and quickly dissipate heat to prevent overheating inside the fuse. Positioning column 5 and positioning cylinder 6 are provided between the upper shell 1 and the lower shell 2, and the heat conducting plate 7 is installed on the upper and lower surfaces thereof. At the same time, the heat conducting plate 7 and the silicone rubber layer 3 are connected by thermal wire 8, forming an efficient heat conduction mechanism. This design ensures that heat can be quickly and evenly transferred from the fuse to the heat sink 4, and then dissipated into the environment, significantly improving the heat dissipation performance, structural stability and convenience of installation and maintenance of the fuse, providing a more reliable and efficient solution for the safety protection of automotive circuits.

[0023] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flat-type high-voltage automobile fuse, comprising an upper shell (1) and a lower shell (2), characterized in that: The inner walls of the upper shell (1) and the lower shell (2) are fixedly mounted with a silicone rubber layer (3), the upper ends and the centers of the lower ends of the upper shell (1) and the lower shell (2) are fixedly mounted with heat sinks (4), the top of the upper shell (1) is fixedly connected with four positioning columns (5), the bottom of the lower shell (2) corresponds to the bottoms of the four positioning columns (5) and is fixedly connected with positioning cylinders (6), a melt (10) is arranged at the center between the upper shell (1) and the lower shell (2), both ends of the melt (10) are fixedly connected with electrode sheets (9), the top position of the surface of the positioning column (5) and the top of the positioning cylinder (6) are fixedly connected with heat conducting plates (7), and the top and bottom sides of the eight heat conducting plates (7) arranged above and below are fixedly connected with heat conducting wires (8).

2. The flat-type high-voltage automotive fuse according to claim 1, characterized in that: A cavity is formed between the upper shell (1) and the lower shell (2), and the opposite ends of the two electrode sheets (9) both penetrate the outside of the cavity.

3. The flat-type high-voltage automobile fuse according to claim 1, characterized in that: A fastening hole (11) is provided on opposite sides of the tops of the two electrode sheets (9).

4. The flat-type high-voltage automobile fuse according to claim 1, characterized in that: The bottoms of the four heat conducting plates (7) arranged at the top are in contact with the upper end surfaces of the two electrode sheets (9), respectively, and the tops of the four heat conducting plates (7) arranged at the bottom are in contact with the lower end surfaces of the two electrode sheets (9), respectively.

5. The flat-type high-voltage automobile fuse according to claim 1, characterized in that: The lower end of the positioning column (5) sequentially passes through the interior of the electrode sheet (9) and the positioning cylinder (6) and is plugged into the inner wall of the positioning cylinder (6).

6. The flat-type high-voltage automobile fuse according to claim 1, characterized in that: One end of the heat-conducting wire (8) is fixedly connected to the inner wall of the silicone rubber layer (3).

7. The flat-type high-voltage automobile fuse according to claim 1, characterized in that: The front and rear ends of both sides of the top of the upper shell (1) are threadedly connected with screws, and the lower ends of the screws pass through the outside of the upper shell (1) and the electrode sheet (9) in sequence and are threadedly connected to the screw holes opened on the lower shell (2).

Images