Micro-impedance alloy resistor

By designing micro-impedance alloy resistors and using an outer frame structure instead of welding, it can achieve convenient fixation of the resistor body and improve heat dissipation effect. Through the inner groove and protective sleeve, the problems of complex welding of existing alloy resistors and easy pin deformation are solved, achieving more efficient installation, maintenance and heat dissipation effects.

CN222672719UActive Publication Date: 2025-03-25SHENZHEN LONGWEISHENGKE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421312535.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The welding structure of existing alloy resistors has problems such as fake welding and missing welding, which leads to deviation of resistance value, and the welding process is complicated and inconvenient for disassembly; at the same time, it is difficult for existing resistors to fix the pin structure before plastic sealing, resulting in high difficulty in plastic sealing and easy structure deformation.

Method used

A micro-impedance alloy resistor is designed, using an outer frame structure instead of welding method, and the resistor body is fixed through the cooperation of the conductive plate and the conduction screw, and the heat dissipation fins are installed to improve the heat dissipation effect; at the same time, through the design of the inner groove and protective sleeve, the pins are protected and fixed to avoid bending.

Benefits of technology

It realizes convenient installation and fixation of different types of resistor bodies, avoids deviations and inconveniences during welding, improves the heat dissipation effect of resistor bodies, and prevents pin bending through protective structures, simplifies the maintenance and disassembly process.

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Abstract

The utility model relates to the technical field of alloy resistors, and discloses a micro-impedance alloy resistor, which comprises an outer frame and a resistor body, the resistor body is positioned in the outer frame, and a conduction rod is inserted into one end of the outer frame in a sliding manner. By arranging the outer frame, when the resistor body is installed, the position of a second conduction plate is adjusted in advance according to the size of the resistor body, a hand holds a rotating handle to drive a conduction screw rod to rotate, so that the second conduction plate is driven to move in the outer frame, and then the resistor body is placed in the outer frame; the two ends of the resistor body are clamped and fixed through the second conducting plate with the fixed position and the first conducting plate with the elastic force of the conducting spring, so that the resistor bodies of different models can be installed and fixed, meanwhile, the side faces of the heat dissipation fins are attached to the surface of the resistor body, the heat dissipation effect of the resistor body is greatly improved, and the service life of the resistor body is prolonged. And meanwhile, the limiting strip slides and slides to the upper part of the resistor body, so that the resistor body is effectively prevented from falling off from the interior of the outer frame.
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