Fuse with quick heat dissipation structure

Abstract

The utility model provides a fuse with quick heat dissipation structure relates to fuse field, including casing and heat dissipation subassembly, the outer wall of casing installs the limit ring, the inner wall of limit ring is installed with fuse body, the inner bottom of casing installs the heat conduction seat in the corresponding fuse body department, the upper top of heat conduction seat is fixedly connected with heat conduction strip, the outer wall of heat conduction strip is fixedly connected with bimetallic strip, can pass through the mutual cooperation of each spare part, pass through the heat dissipation part of small volume and not precision spare part, carry out heat dissipation in the use process of fuse, improve the heat dissipation stability of fuse, utilize multiple heat deformation bimetallic strip, can produce the bending when the heat reaches threshold value, thereby from the outside cladding fuse body, and then the heat is discharged outside casing through heat conduction seat fast, reaches the heat dissipation effect, not only heat dissipation effect stable, and the scope of application is extensive.

Description

Technical Field

[0001] This utility model belongs to the field of fuses, and more specifically, it relates to a fuse with a rapid heat dissipation structure. Background Technology

[0002] A fuse is a short-circuit or overload protection device that operates based on the "current thermal effect". Its core function is to quickly cut off the circuit in case of a fault, protecting the equipment and line safety. It has a simple structure, consisting of a fusible element, a housing, and contacts. It is low in cost, highly reliable, and not prone to failure. It is also widely adaptable and can be used in AC and DC circuits, high and low voltage scenarios, and can be used in everything from small household appliances to high-power industrial equipment.

[0003] An investigation revealed that a utility model patent (publication number: CN220963226U) discloses a fuse with a high-efficiency heat dissipation structure, including a fuse core. A mounting bracket is provided on the rear side of the fuse core, and a heat dissipation mechanism is provided between the fuse core and the mounting bracket. Symmetrical placement slots are provided on the front side of the mounting bracket, and a mounting mechanism is installed inside the placement slots. A fixing mechanism is also provided inside the mounting mechanism. This utility model, by providing a heat dissipation mechanism between the fuse core and the mounting bracket, allows heat to enter the heat dissipation chamber. The rotation of a cooling fan at one end of the heat dissipation chamber quickly draws in cool air from outside, while the rotation of a cooling fan at the other end quickly dissipates heat from inside the heat dissipation chamber, preventing heat accumulation inside. This further improves the heat dissipation effect of the device, preventing damage to external components due to excessive heat, thus reducing safety hazards and avoiding significant losses.

[0004] Although the above technical solution can dissipate heat from the fuse through the cooling fan and heat dissipation mechanism, the large number of heat dissipation components increases the usable area of ​​the fuse and makes it easy for the fuse to fail to dissipate heat effectively due to the failure of one of the heat dissipation components. As a result, the working condition of the fuse is affected by the accumulation of heat.

[0005] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a fuse with a fast heat dissipation structure in order to achieve a more practical purpose. Utility Model Content

[0006] To address the aforementioned technical problems, this utility model provides a fuse with a rapid heat dissipation structure, thereby solving the problem that current heat dissipation components have numerous parts, making it easy for a fuse to fail due to the malfunction of one of them.

[0007] The purpose and function of this utility model of a fuse with a rapid heat dissipation structure are achieved by the following specific technical means:

[0008] A fuse with a rapid heat dissipation structure includes a housing and a heat dissipation assembly, wherein a limit ring is installed on the outer wall of the housing;

[0009] The inner wall of the limiting ring is fitted with a fuse body. A heat-conducting seat is fitted at the bottom inner end of the housing corresponding to the fuse body. A heat-conducting strip is fixedly connected to the top of the heat-conducting seat. A bimetallic strip is fixedly connected to the outer wall of the heat-conducting strip. There are several bimetallic strips located on the outside of the fuse body. The outer wall of the bimetallic strip is coated with a heat-absorbing coating.

[0010] Furthermore, the heat dissipation assembly also includes a baffle rod fixedly connected to the outer surface of the heat conduction base. The number of baffle rods is several, and a return rod is fixedly connected to one side of the outer surface of the heat conduction base located on the baffle rod.

[0011] Furthermore, a heat-absorbing plate is slidably connected to the inner wall of the shell, and a heat-dissipating column is fixedly connected to the inner wall of the heat-absorbing plate. There are several heat-dissipating columns, and a bimetallic strip is installed at the inner bottom of the shell on one side of the heat-absorbing plate.

[0012] Furthermore, a damping shaft is fixedly connected to the inner wall of the housing, a limit rod is rotatably sleeved on the outer wall of the damping shaft, and an adsorption plate is installed on one side wall of the housing located on the damping shaft.

[0013] Furthermore, the outer wall of the limiting rod abuts against the outer wall of the adsorption plate, and the housing has a heat dissipation groove on one side wall of the adsorption plate.

[0014] Furthermore, a retaining strip is fixedly connected to the inner wall of the housing, a cover is snapped into the inner wall of the retaining strip, and a heat dissipation fin is fixedly connected to the top of the cover. The number of heat dissipation fins is several.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] By configuring the heat dissipation components, the various parts can work together to dissipate heat during the use of the fuse through small, non-precision heat dissipation components, thereby improving the heat dissipation stability of the fuse. By using multiple bimetallic strips that deform under heat, they can bend when the heat reaches a threshold, thereby wrapping the fuse body from the outside and quickly dissipating the heat through the heat conduction base to the outside of the housing, achieving a heat dissipation effect. Not only is the heat dissipation effect stable, but it also has a wide range of applications. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall design of this utility model.

[0018] Figure 2This is a schematic diagram of the interior of the shell in this utility model.

[0019] Figure 3 yes Figure 2 A schematic diagram of the structure at point A in the middle.

[0020] Figure 4 This is a schematic diagram of the cap in this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Housing; 2. Limiting ring; 3. Fuse body; 4. Heat-conducting base; 5. Heat-conducting strip; 6. Bimetallic strip; 7. Baffle rod; 8. Return rod; 9. Heat-absorbing plate; 10. Heat dissipation column; 11. Bimetallic sheet; 12. Damping shaft; 13. Limiting rod; 14. Adsorption plate; 15. Locking strip; 16. Cover; 17. Heat dissipation fins. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Example:

[0027] As attached Figure 1 To be continued Figure 4 As shown:

[0028] This utility model provides a fuse with a fast heat dissipation structure, including a housing 1 and a heat dissipation assembly, wherein a limit ring 2 is installed on the outer wall of the housing 1;

[0029] The inner wall of the limiting ring 2 is fitted with a fuse body 3. The bottom inner end of the housing 1 is fitted with a heat-conducting seat 4 corresponding to the fuse body 3. A heat-conducting strip 5 is fixedly connected to the top of the heat-conducting seat 4. A bimetallic strip 6 is fixedly connected to the outer wall of the heat-conducting strip 5. There are several bimetallic strips 6 located on the outside of the fuse body 3. The outer wall of the bimetallic strip 6 is coated with a heat-absorbing coating.

[0030] The heat dissipation assembly also includes a baffle rod 7 fixedly connected to the outer surface of the heat conduction base 4. There are several baffle rods 7. A return rod 8 is fixedly connected to one side of the outer surface of the heat conduction base 4, which is located on the baffle rod 7.

[0031] The specific usage and function of this embodiment are as follows: The limiting ring 2 installed inside the housing 1 can provide a stable effect for the installation of the fuse body 3, maintaining its stability during use. With the setting of the heat dissipation component, through the cooperation of various components, during the use of the fuse body 3, the bimetallic strip 6, which is bent by heat, deforms at high temperature to cover the outer wall of the fuse body 3. Multiple bimetallic strips 6 with good thermal conductivity transfer heat to the heat conduction seat 4, and then the heat is dissipated through the heat conduction seat 4 which is in contact with the external environment. The turbulence rod 7 and return rod 8 fixedly connected to the outer surface of the heat conduction seat 4 can reduce the flow rate of the external airflow through their bending shape, thereby improving the heat dissipation of the heat conduction seat 4 and improving the heat dissipation effect of the fuse body 3.

[0032] A heat-absorbing plate 9 is slidably connected to the inner wall of the shell 1, and a heat dissipation column 10 is fixedly connected to the inner wall of the heat-absorbing plate 9. There are several heat dissipation columns 10. A bimetallic strip 11 is installed at the inner bottom of the shell 1 on one side of the heat-absorbing plate 9.

[0033] A damping shaft 12 is fixedly connected to the inner wall of the housing 1. A limit rod 13 is rotatably sleeved on the outer wall of the damping shaft 12. An adsorption plate 14 is installed on one side wall of the housing 1 located on the damping shaft 12.

[0034] The outer wall of the limiting rod 13 abuts against the outer wall of the adsorption plate 14, and the housing 1 has a heat dissipation groove on one side wall of the adsorption plate 14.

[0035] A retaining strip 15 is fixedly connected to the inner side wall of the housing 1. A cover 16 is snapped onto the inner wall of the retaining strip 15. A heat dissipation fin 17 is fixedly connected to the top of the cover 16. There are several heat dissipation fins 17.

[0036] The specific usage and function of this embodiment are as follows: The heat-absorbing plate 9, which slides along the inner wall of the housing 1, can push the heat-absorbing plate 9 to slide along the inner wall of the housing 1 when the fuse is at high temperature. This causes multiple heat dissipation columns 10 to protrude from the outer wall of the housing 1, thereby increasing the contact area with the external airflow and improving the heat dissipation efficiency of the fuse body 3. The heat dissipation grooves opened on the outer wall of the housing 1 can meet the heat dissipation needs during daily use. The adsorption plate 14 can intercept external dust during the heat dissipation process, preventing dust from adhering to the outer wall of the fuse body 3 and affecting its performance. The locking strip 15 fixed to the inner side wall of the housing 1 can quickly and stably lock the cover 16, maintaining its stability during sealing. The multiple heat dissipation fins 17 on the outer wall of the cover 16 can also dissipate heat simultaneously, improving the overall heat dissipation effect. This component has no external precision parts and dissipates heat only through the fuse itself and its components. This can reduce the installation space and improve the stability of heat dissipation through multiple heat dissipation methods.

[0037] In this invention, multiple bimetallic strips 6 adsorb and conduct heat, thereby dissipating heat to the external environment through heat-conducting strips 5 and heat-conducting base 4. When the temperature accumulates, the multiple bimetallic strips 6 bend due to heat, thereby quickly adhering to the outer wall of the fuse body 3, further improving the heat dissipation effect. The use of turbulence rods 7 and return rods 8 can reduce the airflow velocity, thereby improving the heat exchange effect and increasing the heat dissipation effect of the fuse.

[0038] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A fuse with a rapid heat dissipation structure, comprising a housing (1) and a heat dissipation assembly, characterized in that: A limit ring (2) is installed on the outer wall of the housing (1); The inner wall of the limiting ring (2) is fitted with a fuse body (3). The bottom of the housing (1) is fitted with a heat-conducting seat (4) corresponding to the fuse body (3). A heat-conducting strip (5) is fixedly connected to the top of the heat-conducting seat (4). A bimetallic strip (6) is fixedly connected to the outer wall of the heat-conducting strip (5). There are several bimetallic strips (6) located on the outside of the fuse body (3). The outer wall of the bimetallic strip (6) is coated with a heat-absorbing coating.

2. The fuse with a rapid heat dissipation structure as described in claim 1, characterized in that: The heat dissipation assembly also includes a baffle rod (7) fixedly connected to the outer surface of the heat conduction seat (4). There are several baffle rods (7). A return rod (8) is fixedly connected to the outer surface of the heat conduction seat (4) on one side of the baffle rod (7).

3. The fuse with a rapid heat dissipation structure as described in claim 2, characterized in that: A heat-absorbing plate (9) is slidably connected to the inner wall of the housing (1), and a heat dissipation column (10) is fixedly connected to the inner wall of the heat-absorbing plate (9). There are several heat dissipation columns (10). A bimetallic strip (11) is installed on the inner bottom end of the housing (1) on one side of the heat-absorbing plate (9).

4. The fuse with a rapid heat dissipation structure as described in claim 1, characterized in that: The inner wall of the housing (1) is fixedly connected to a damping shaft (12), and the outer wall of the damping shaft (12) is rotatably sleeved with a limit rod (13). An adsorption plate (14) is installed on one side wall of the housing (1) located on the damping shaft (12).

5. The fuse with a rapid heat dissipation structure as described in claim 4, characterized in that: The outer wall of the limiting rod (13) abuts against the outer wall of the adsorption plate (14), and the housing (1) has a heat dissipation groove on one side wall of the adsorption plate (14).

6. The fuse with a rapid heat dissipation structure as described in claim 5, characterized in that: The inner wall of the housing (1) is fixedly connected with a retaining strip (15), and the inner wall of the retaining strip (15) is fitted with a cover (16). The top end of the cover (16) is fixedly connected with a heat dissipation fin (17), and the number of heat dissipation fins (17) is several.

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