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Semi-precision plastic package resistor

A resistor, precision technology, applied in the field of semi-precision plastic package resistors, can solve problems such as broken soldering, uneven soldering surface, small size, etc., to achieve the effect of auxiliary protection of components in the circuit and improvement of convenience

Active Publication Date: 2021-12-28
蚌埠市爱瑞特电子有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A resistor is a component used in a circuit, and at the same time protects the circuit to prevent other components from being burned out. In other words, it is the resistance of the conductor to the current in the circuit. It is aimed at the precision and semi-precision In the electrical connection of resistance resistors, it is usually connected on a small circuit board. Due to the small size of the components at all levels, it is impossible to make the welding surface more uniform during the wire welding process, and at the same time, it is prone to the problem of broken welding. Therefore, it is necessary to Design a small precision and semi-precision resistor that facilitates the electrical connection of all levels of components at all angles for practical development and use

Method used

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Experimental program
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Effect test

Embodiment 1

[0050] Embodiment 1: with reference to the instructions attached Figure 1-10 , a semi-precision plastic-encapsulated resistor provided by the present invention includes a resistance mechanism 1 for adjusting the current resistance in the circuit, and both ends of the resistance mechanism 1 are electrically connected with conductor connection mechanisms for auxiliary connection of components at all levels 2, and the inside of the conductor connection mechanism 2 is equipped with a reset mechanism 3 as a transmission power source, and the inner cavity of the conductor connection mechanism 2 is equipped with a wire insertion hole mechanism 4 for positioning resistance wires through the reset mechanism 3, such as Figure 5 and Figure 7 As shown, the reset mechanism 3 is used as the power source when the wire jack mechanism 4 rotates, and the power source is the reset type ruler spring section 36 of the reset mechanism 3. Reset to drive other components to rotate accordingly;

...

Embodiment 2

[0054] Example 2: In this embodiment, if Figure 10 As shown, the heat-conducting metal rod 34 presents a rod-shaped structure, and at the same time, the heat-conducting metal rod 34 is plugged into the middle area of ​​the fuse block 32, wherein the length ratio of the heat-conducting metal rod 34 to the fuse block 32 is 1:2; wherein, After the installation of the wire part of the resistance mechanism 1 is completed, touch the heat-conducting metal rod 34 with a welding pen, so that the local temperature of the heat-conducting metal rod 34 rises, and the effect of fusing the fuse block 32 can be achieved, resulting in fracture and Reset type ruler spring section 36 breaks away from the effect of restraint.

[0055] At the same time, the partition plate 33 has flame retardancy; after the heat-conducting metal rod 34 is heated, the fuse block 32 will be fused, and the partition plate 33 will not be fused.

[0056]What needs to be practically explained is: in the case of diseng...

Embodiment 3

[0057] Embodiment 3: During the electrical connection process of the resistance mechanism 1, as a preferred electrical connection circuit, such as Figure 9 As shown, the guide vane type internal thread tooth groove 45 is electrically connected to the guide vane type spiral fitting pipe section 47, and the corresponding type of external thread groove 46 is arranged in mirror image along the central positioning sleeve 41 with two sections of guide vane type spiral fitting The pipe sections 47 are electrically connected to each other, and the helical guide piece-type helical joint pipe sections 47 are used for electrical connection, thereby reducing the space for stacking more connecting cables and improving the actual utilization rate of the space.

[0058] Simultaneously, as the preferred embodiment of above-mentioned scheme, wherein the material of reset type chi spring section 36 is nickel-titanium memory alloy, and reset type chi spring section 36 has the characteristic of s...

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Abstract

The invention discloses a semi-precision plastic package resistor, and particularly relates to the field of resistors, the semi-precision plastic package resistor comprises a resistor mechanism used for adjusting the current blocking effect in a circuit, and the two ends of the resistor mechanism are electrically connected with conductor connecting mechanisms used for assisting in connecting all levels of elements. A reset mechanism serving as a transmission power source is installed in the conductor connecting mechanism. When a torsion spring connection section is disconnected from a fusing block, the reset type ruler spring section drives the central positioning sleeve to rotate, and the outer ring sleeve is pushed to move towards the end part of the conductor connection mechanism by utilizing the meshing of a corresponding external thread groove and a guide sheet type internal thread tooth groove. Therefore, a conductor type cantilever and an elastic arc sheet conductor are pushed to bind a rod-shaped wire outside the conductor connecting mechanism, and the problem that small circuit board elements are difficult to weld uniformly for electrical connection is relatively solved.

Description

technical field [0001] The invention relates to the technical field of resistors, and more specifically, the invention relates to a semi-precision plastic-encapsulated resistor. Background technique [0002] Resistors are generally directly called resistors in daily life, and resistors are a current-limiting element. After the resistor is connected to the circuit, the resistance value of the resistor is fixed. Generally, there are two pins, which can limit the The current size of the branch, whose resistance value cannot be changed is called a fixed resistor, and the one whose resistance value is variable is called a potentiometer or a variable resistor. The ideal resistor is linear, that is, the instantaneous current through the resistor and the applied instantaneous current The voltage is proportional to the variable resistor used for voltage division. On the exposed resistor body, one or two movable metal contacts are tightly pressed. The position of the contact determine...

Claims

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Application Information

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IPC IPC(8): H01C1/14H01C1/01H01C1/02H01H71/14A62C3/16A62C37/11
CPCH01C1/14H01C1/01H01H71/145H01C1/02A62C3/16A62C37/11
Inventor 杨捷
Owner 蚌埠市爱瑞特电子有限责任公司
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