Switch structure and electronic device
A technology of switch structure and electronic equipment, which is applied in the electronic field, can solve the problems of low protection level, low sensitivity, and false triggering, and achieve the effect of high protection level, high sensitivity, and avoiding false triggering operations
Active Publication Date: 2018-01-26
PAX COMP TECH SHENZHEN
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Problems solved by technology
[0005] The present invention provides a switch structure and electronic equipment, aiming to solve the problem of low protection level, low sensitivity or easy false triggering when the existing switch structure responds to external violent damage
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[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0035] combine Figure 1-9 , the structural diagram of the switch structure provided by the embodiment of the present invention, for the convenience of description, only shows the parts related to the embodiment of the present invention, and the details are as follows:
[0036] The switch structure includes a dome 30 and a plurality of signal rings arranged on a circuit board. The circuit board has a substrate 901 , a first wiring layer 101 and a second wiring layer 201 separated by the substrate 901 .
[0037] in, figure 1 A composition structure diagram of a signal ring is shown, and the signal...
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The present invention belongs to the electronic technology field, and provides a switch structure and an electronic device. The structure comprises a metal dome and a plurality of signal rings arranged on a circuit board, and the circuit board comprises a substrate, a first wiring layer and a second wring layer separated by the substrate. Each signal ring comprises a signal inner ring comprising afirst pad printed on the first wiring layer; a signal outer ring comprising more than two second pads printed on the first wiring layer, wherein the second pad is electrically isolated with the firstpad; a protection ring comprising more than two third pads printed on the first wiring layer, wherein the third pads are electrically isolated with the first pad and the second pads, and the second pads and the third pads are in staggered distribution to form an annular track. According to the present invention, the problems that the conventional switch structure is low in protection level and not high in sensitivity, and causes the spurious triggering easily, can be solved effectively.
Description
technical field [0001] The invention belongs to the field of electronic technology, and in particular relates to a switch structure and electronic equipment. Background technique [0002] As a basic electronic device, the switch has been widely used in electronic circuits. The main function of the switch is to control the on and off of the circuit. For the connection and disconnection between components, the metal pin plays an irreplaceable and important role in the switch structure due to its good conduction performance, stable rebound and long service life. In the actual application process, the metal pin can be divided into a single-layer structure and a double-layer structure. When the metal shrapnel on the metal dome is pressed by an external force, the center point of the shrapnel is concave, and the concave part of the shrapnel contacts To the electrical components in the circuit board, so that the circuit on the circuit board is conducted. [0003] In the existing ...
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IPC IPC(8): H01H13/807H01H13/02
Inventor 张丽玉苏小燕
Owner PAX COMP TECH SHENZHEN