Aluminum shell resistor with multi-path lead-out structure

Abstract

The utility model discloses an aluminum shell resistor with a multi-path lead-out structure, which comprises a mounting plate, a high-efficiency heat dissipation structure is welded on the mounting plate, and resistor bodies are mounted at two ends in the high-efficiency heat dissipation structure. According to the utility model, the efficient heat dissipation structure is installed, the arranged insulating heat-conducting filler can effectively transfer heat while keeping insulation, the heat is further guided to the aluminum shell with a heat conduction effect through the heat-conducting plate and the heat dissipation holes, and the heat dissipation cavity is formed in the middle of the insulating heat-conducting filler, so that the heat dissipation efficiency is improved. A cooling assembly is arranged in the heat dissipation cavity, so that dissipation of internal heat can be further accelerated, cooling water flows into a cooling pipe through a water inlet pipe and is discharged through a water outlet pipe, meanwhile, fan blades can be driven to rotate through a micro motor, internal heat can be rapidly discharged, and then the efficient heat dissipation effect is achieved; and the insulating layer and the ceramic cylinder can improve the voltage-withstanding and insulating effects and realize a relatively large resistance value range, so that the practical effect of the aluminum shell resistor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum shell resistors, in particular to an aluminum shell resistor with a multi-path lead-out structure. Background Art

[0002] Aluminum shell resistor, the shell is made of aluminum alloy (golden aluminum shell), with heat dissipation grooves on the surface, small size and high power, high temperature resistance, strong overload capacity, weather resistance, high precision, standard low induction resistor, the main function is to discharge excess electrical energy on power equipment, traditional aluminum shell resistors cannot meet the high voltage of the power system, and the heat dissipation effect is not ideal during use.

[0003] The prior art discloses a patent document with a publication number of CN216388924U. The technical solution disclosed in the patent document is as follows: an aluminum shell resistor with multiple leads, comprising: a shell, an upper cover and a resistor body, the shell is fixed with an upper cover, the shell is provided with a mounting cavity and a cooling cavity, and the resistor body is located inside the mounting cavity. The utility model improves the withstand voltage insulation effect of the resistor by providing an insulating layer, a ceramic cylinder and an insulating heat-conducting filler; the heat dissipation effect of the aluminum shell resistor can be improved by providing a heat dissipation protrusion on the shell, filling the cooling cavity with heat-absorbing oil and providing a heat dissipation groove on the cover plate.

[0004] The above technical solution absorbs the heat of the shell through heat-absorbing oil, and circulates the heat-absorbing oil through a circulating pump and a cooling pipe to reduce the temperature. However, the cooling pipe is still arranged inside the shell, and the heat cooled out is still absorbed by the shell, resulting in a general cooling effect, which in turn affects the heat dissipation effect of the aluminum shell resistor. Utility Model Content

[0005] The utility model aims to provide an aluminum shell resistor with a multi-way lead-out structure to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: an aluminum shell resistor with a multi-way lead-out structure, comprising a mounting plate, on which a high-efficiency heat dissipation structure is welded, and a resistor body is installed at both ends of the high-efficiency heat dissipation structure.

[0007] The efficient heat dissipation structure includes a heat dissipation shell, an inner cavity of the heat dissipation shell is provided with a heat conducting plate, an inner wall of the heat conducting plate is provided with an insulating heat conducting filler, a heat dissipation cavity is opened in the middle of the insulating heat conducting filler, installation cavities are opened on both sides of the insulating heat conducting filler, and a cooling component is installed inside the heat dissipation cavity.

[0008] As a further preferred embodiment of the present technical solution, the heat dissipation housing is made of aluminum, and heat dissipation holes are arranged on the outer wall of the heat conducting plate.

[0009] In the above technical solution, the insulating and heat-conducting filler is arranged to effectively transfer heat while maintaining insulation, and further direct the heat to the aluminum shell with heat-conducting effect through the heat-conducting plate and the heat dissipation holes.

[0010] As a further preference of this technical solution, protective plates are fixedly connected to both ends of the heat dissipation cavity, and ventilation holes are formed in the protective plates.

[0011] In the above technical solution, the arranged protective plates can protect the heat dissipation cavity and reduce the entry of dust.

[0012] As a further preference of this technical solution, the cooling assembly includes a water inlet pipe arranged at one end of the heat dissipation cavity, a water outlet pipe fixedly connected to the other end of the heat dissipation cavity, cooling pipes arranged at the upper and lower ends between the water inlet pipe and the water outlet pipe, and the cooling pipes are located at the upper and lower ends of the heat dissipation cavity.

[0013] As a further preference of this technical solution, a micro motor is arranged at the rear side of the water inlet pipe, a rotating rod is arranged at the output end of the micro motor, the other end of the rotating rod is connected to the water outlet pipe, and fan blades are arranged in an array on the outer wall of the rotating rod.

[0014] In the above technical solution, cooling water flows into the cooling pipes through the water inlet pipe and is discharged through the water outlet pipe. At the same time, the fan blades can be driven to rotate by the micro motor, so that the internal heat can be quickly discharged, and thus has an efficient heat dissipation effect.

[0015] As a further preference of this technical solution, the resistor body includes a ceramic rod, resistance wires are wound around the outer wall of the ceramic rod, wires are arranged at both ends of the resistance wires, and connection terminals are arranged at the other ends of the wires.

[0016] As a further preference of this technical solution, an insulating layer is arranged on the outer wall of the ceramic rod, a ceramic cylinder is arranged on the outer wall of the insulating layer, and the outer wall of the ceramic cylinder is in contact with the inner wall of the installation cavity.

[0017] In the above technical solution, the arranged insulating layer and ceramic cylinder can improve the voltage resistance and insulation effect and achieve a larger resistance value range, thereby improving the practical effect of the aluminum shell resistor.

[0018] The utility model provides an aluminum shell resistor with a multi-way lead-out structure, having the following beneficial effects:

[0019] (1) The utility model installs an efficient heat dissipation structure. The insulating and heat-conducting filler set therein can effectively transfer heat while maintaining insulation, and further direct the heat to the aluminum shell with heat-conducting effect through the heat-conducting plate and heat dissipation holes. A heat dissipation cavity is opened in the middle of the insulating and heat-conducting filler, and a cooling component is arranged in the heat dissipation cavity to further accelerate the dissipation of internal heat. The cooling water flows into the cooling pipe through the water inlet pipe and is discharged through the water outlet pipe. At the same time, the fan blades can be driven to rotate by the micro motor, so that the internal heat can be quickly discharged, and thus has the effect of efficient heat dissipation.

[0020] (2) The utility model sets multiple resistor bodies, which can meet the high voltage of the aluminum shell resistor power system. The insulating layer and ceramic cylinder set can improve the voltage resistance and insulation effect and achieve a larger resistance value range, improving the practical effect of the aluminum shell resistor. Brief Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the whole aluminum shell resistor of the utility model;

[0022] Figure 2 is a schematic structural diagram of a part of the aluminum shell resistor of the utility model;

[0023] Figure 3 is a schematic structural diagram of the insulating and heat-conducting filler of the utility model;

[0024] Figure 4 is a schematic structural diagram of the split resistor body of the utility model;

[0025] Figure 5 is a schematic structural diagram of the cooling component of the utility model;

[0026] In the figure: 1, mounting plate; 2, efficient heat dissipation structure; 3, resistor body; 21, heat dissipation housing; 22, heat-conducting plate; 23, heat dissipation holes; 24, insulating and heat-conducting filler; 25, heat dissipation cavity; 26, mounting cavity; 27, cooling component; 28, protection plate; 29, ventilation holes; 271, water inlet pipe; 272, water outlet pipe; 273, cooling pipe; 274, micro motor; 275, rotating rod; 276, fan blades; 31, ceramic rod; 32, resistance wire; 33, wire; 34, terminal; 35, insulating layer; 36, ceramic cylinder. Detailed Embodiment

[0027] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model.

[0028] The utility model provides a technical solution: As Figure 1As shown, in this embodiment, an aluminum shell resistor with a multi-way lead-out structure includes a mounting plate 1, on which an efficient heat dissipation structure 2 is welded, and resistor bodies 3 are installed at both ends inside the efficient heat dissipation structure 2.

[0029] As Figure 2 , Figure 3 and Figure 5 As shown, the efficient heat dissipation structure 2 includes a heat dissipation shell 21, a heat conduction plate 22 is arranged in the inner cavity of the heat dissipation shell 21, an insulating heat conduction filler 24 is arranged on the inner wall of the heat conduction plate 22, a heat dissipation cavity 25 is opened in the middle of the insulating heat conduction filler 24, mounting cavities 26 are opened on both sides of the insulating heat conduction filler 24, a cooling component 27 is installed inside the heat dissipation cavity 25, the heat dissipation shell 21 is made of aluminum, heat dissipation holes 23 are arranged in a row on the outer wall of the heat conduction plate 22, protective plates 28 are fixedly connected to both ends of the heat dissipation cavity 25, ventilation holes 29 are opened on the protective plates 28, the cooling component 27 includes a water inlet pipe 271, the water inlet pipe 271 is arranged at one end of the heat dissipation cavity 25, a water outlet pipe 272 is fixedly connected to the other end of the heat dissipation cavity 25, cooling pipes 273 are arranged at the upper and lower ends between the water inlet pipe 271 and the water outlet pipe 272, the cooling pipes 273 are located at the upper and lower ends of the heat dissipation cavity 25, a micro motor 274 is arranged at the rear side of the water inlet pipe 271, a rotating rod 275 is arranged at the output end of the micro motor 274, the other end of the rotating rod 275 is connected to the water outlet pipe 272, and fan blades 276 are arranged in a row on the outer wall of the rotating rod 275. By installing the efficient heat dissipation structure 2, the insulating heat conduction filler 24 provided can effectively transfer heat while maintaining insulation, and further direct the heat to the aluminum shell with heat conduction effect through the heat conduction plate 22 and the heat dissipation holes 23. Moreover, a heat dissipation cavity 25 is opened in the middle of the insulating heat conduction filler 24, and a cooling component 27 is arranged in the heat dissipation cavity 25, which can further accelerate the dissipation of internal heat. The cooling water flows into the cooling pipes 273 through the water inlet pipe 271 and is discharged through the water outlet pipe 272. At the same time, the fan blades 276 can be driven to rotate by the micro motor 274, so that the internal heat can be quickly discharged, thus having the effect of efficient heat dissipation.

[0030] As Figure 3 and Figure 4 As shown, the resistor body 3 includes a ceramic rod 31, a resistance wire 32 is wound around the outer wall of the ceramic rod 31, lead wires 33 are arranged at both ends of the resistance wire 32, wiring terminals 34 are arranged at the other ends of the lead wires 33, an insulating layer 35 is arranged on the outer wall of the ceramic rod 31, a ceramic cylinder 36 is arranged on the outer wall of the insulating layer 35, and the outer wall of the ceramic cylinder 36 is in contact with the inner wall of the mounting cavity 26. By arranging multiple groups of resistor bodies 3, the high voltage of the power system of the aluminum shell resistor can be satisfied. The insulating layer 35 and the ceramic cylinder 36 provided can improve the voltage resistance and insulation effect and achieve a larger resistance value range, improving the practical effect of the aluminum shell resistor.

[0031] The utility model provides an aluminum shell resistor with a multi-way lead-out structure, and the specific working principle is as follows: when the aluminum shell resistor is connected to an electrical equipment, the high voltage of the power system of the aluminum shell resistor is satisfied through multiple groups of resistor bodies 3; the heat generated is conducted to the heat conducting plate 22 through the insulating heat conducting filler 24 and discharged through the aluminum heat dissipation shell 21, and the heat dissipation holes 23 provided thereon enable it to be discharged faster. When the heat is large, cooling water flows into the cooling pipe 273 and is discharged through the water outlet pipe 272. At the same time, the micro motor 274 can drive the fan blade 276 to rotate, so that the internal heat can be quickly discharged.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum shell resistor with a multi-way lead-out structure, comprising a mounting plate (1), characterized in that: An efficient heat dissipation structure (2) is welded on the mounting plate (1), and resistor bodies (3) are installed at both ends inside the efficient heat dissipation structure (2); The efficient heat dissipation structure (2) includes a heat dissipation housing (21). A heat conduction plate (22) is arranged in the inner cavity of the heat dissipation housing (21). An insulating heat conduction filler (24) is arranged on the inner wall of the heat conduction plate (22). A heat dissipation cavity (25) is formed in the middle of the insulating heat conduction filler (24). Installation cavities (26) are formed on both sides of the insulating heat conduction filler (24). A cooling component (27) is installed inside the heat dissipation cavity (25).

2. The aluminum shell resistor with a multi-way lead-out structure according to claim 1, characterized in that: The heat dissipation housing (21) is made of aluminum, and heat dissipation holes (23) are arranged in a row on the outer wall of the heat conduction plate (22).

3. The aluminum shell resistor with a multi-channel lead-out structure according to claim 1, characterized in that: Protective plates (28) are fixedly connected to both ends of the heat dissipation cavity (25), and ventilation holes (29) are formed in the protective plates (28).

4. A kind of aluminum shell resistor with a multi-way lead-out structure according to claim 1, characterized in that: The cooling component (27) includes a water inlet pipe (271). The water inlet pipe (271) is arranged at one end of the heat dissipation cavity (25). A water outlet pipe (272) is fixedly connected to the other end of the heat dissipation cavity (25). Cooling pipes (273) are arranged at the upper and lower ends between the water inlet pipe (271) and the water outlet pipe (272). The cooling pipes (273) are located at the upper and lower ends of the heat dissipation cavity (25).

5. The aluminum shell resistor with a multi-way lead-out structure according to claim 4, characterized in that: A micro motor (274) is arranged at the rear side of the water inlet pipe (271). A rotating rod (275) is arranged at the output end of the micro motor (274). The other end of the rotating rod (275) is connected to the water outlet pipe (272). Fan blades (276) are arranged in a row on the outer wall of the rotating rod (275).

6. The aluminum shell resistor with a multi-way lead-out structure according to claim 1, characterized in that: The resistor body (3) includes a ceramic rod (31). Resistance wires (32) are wound around the outer wall of the ceramic rod (31). Wires (33) are arranged at both ends of the resistance wires (32). Connection terminals (34) are arranged at the other ends of the wires (33).

7. A aluminum shell resistor with a multi-way lead-out structure according to claim 6, characterized in that: An insulating layer (35) is arranged on the outer wall of the ceramic rod (31). A ceramic cylinder (36) is arranged on the outer wall of the insulating layer (35). The outer wall of the ceramic cylinder (36) is in contact with the inner wall of the installation cavity (26).

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