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Varistor adopting novel base pin design method

A technology of varistor and design method, applied in the direction of varistor, overvoltage protection resistor, resistance terminal/electrode, etc., can solve the problems of poor impact resistance, poor current capacity, etc. Impact resistance, the effect of improving the utilization rate

Inactive Publication Date: 2015-06-10
孙巍巍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to effectively solve the above problems in the prior art, the present invention proposes a varistor using a new pin design method to comprehensively improve the poor flow capacity caused by the single path of the existing varistor pins "one in and one out". , The problem of poor impact resistance, through this new pin design method can effectively prolong the service life of the same varistor substrate

Method used

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  • Varistor adopting novel base pin design method
  • Varistor adopting novel base pin design method
  • Varistor adopting novel base pin design method

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and embodiment the present invention is further described:

[0021] Such as figure 1 It is the first typical embodiment of the present invention, current "two in and one out" type, 1-1 is the current input electrode sheet, 1-2a is the current input pin 1, 1-2b is the current input pin 2, 1- 3 is a current output pin, and 1-4 are varistor substrates.

[0022] Such as figure 2 It is the second typical embodiment of the present invention, current "one input and two output" type, 2-1 is the current input pin, 2-2 is the varistor substrate, 2-3a is the current output pin 1, 2- 3b is the current output pin 2, and 2-4 are the current output electrode sheets.

[0023] Such as image 3 It is the third typical embodiment of the present invention, current "two in two out" type, 3-1 is the current input electrode sheet, 3-2a is the current input pin 1, 3-2b is the current input pin 2, 3- 3a is the current output pin 1, 3-3b is th...

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Abstract

The invention relates to a varistor adopting a novel base pin design method. The varistor is characterized in that it has multiple base pins, the positions and quantity of the base pins can be obtained through calculation and electric current density simulation, when the input end and output end have more than one base pin, they can be connected by an electrode slice. With the design, without changing the area and volume of an original varistor substrate, electric current fully flows through the filling substance in the varistor, thus enhancing the varistor flow capacity, impact resistance and other characteristics, and improving the varistor service life and protection grade.

Description

technical field [0001] The invention belongs to the field of electrical and electronic components. Mainly for varistors, change the pin structure to make the flow performance better. Background technique [0002] Varistor is a voltage-sensitive non-linear overvoltage protection semiconductor element. It can be divided into many types according to its structure, manufacturing process, materials used, and volt-ampere characteristics. Common varistor devices are metal oxide voltage Varistors, especially zinc oxide varistors. Different from ordinary resistors, varistors are made according to the nonlinear characteristics of semiconductor materials. Ordinary resistors obey Ohm's law, while the voltage and current of varistors have a special nonlinear relationship. When the voltage applied across the varistor is lower than the nominal rated voltage value, the resistance value of the varistor is close to infinity, and there is almost no current flowing inside, which is equivalent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C7/12H01C1/14
Inventor 李凤岭
Owner 孙巍巍
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