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Daily Maintenance Details of Touch Switch

Release time:2019-08-06    Clicks: Click

 
How to maintain the light touch switch in daily use is the key point. We will give you a detailed description of the specific methods below.
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There are many kinds of light touch switches. According to pin classification, there are two-foot light touch switches, three-foot light touch switches, four-foot light touch switches and multi-foot light touch switches. According to package, they can be divided into patch light touch switches and plug-in light touch switches. There are also many kinds of light touch switches according to material, size and so on. Button, base, insert and cover.
With the development of Electronic Science and technology, the specifications of light touch switch are more and more, from the earliest 12*12,8*8 to now various, and the structure of light touch switch has also increased from vertical horizontal type to combined type. Now people are worried about more and more light touch switches in black-core factories, and they are always worried when purchasing. Not deceived, more people are more concerned about the daily maintenance of light touch switch, what secrets should be paid attention to when selecting.
1. In the daily maintenance and testing of light-touch switches, we should pay attention to whether the light-touch switches become fragile and degenerate due to time aging, flexible fall, or cracking quality problems. Many data of light-touch switches have dust-proof and electricity-insulating effect. In the daily use of time, we should pay attention to maintenance, people can from the time of aging. Touch the switch lightly to eliminate more potential consumption hazards.
2. Because of the high flexibility of the touch switch, we should pay attention not to over-squeeze when pressing, because the control button on the fine instrument or the simple button on it all have the same principle. It is assumed that the use of tripod pressing or tapping will reduce the flexibility of the self-induction of the touch switch. Level.
3. If there is abnormal operation of lightly touching switch, be sure not to stop disassembly without authorization. Without professional maintenance environment, many high-end electrical appliances need to stop opening in the dust-insulated environment. Because dust will have conductive effect, this is a very risky practice, so take it with you. The detection and maintenance of light touch must be stopped in the environment of special switching.
Cautions when touching the switch lightly.
1. When welding lightly touched switch terminals, if the load is applied on the terminals, there will be loosening, deformation and deterioration of electrical characteristics due to different conditions. Please pay attention to the use.
2. When using through-hole PCB and PCB other than recommended, due to the influence of thermal stress will change, so please confirm the welding conditions in advance.
3. When welding twice, please do it after the first welding part is restored to normal temperature. Continuous heating may cause deformation of the peripheral part, loosening of the terminals, falling off and reducing the electrical characteristics.
4. The actual batch production conditions need to be confirmed for setting the welding conditions of the detection switch.
5. The product is designed and manufactured on the premise of DC resistance load. When using other loads [inductive load, capacitive load], please confirm separately.
6. Installation holes and modes of printed circuit boards, please refer to the recommended dimensions recorded in the product drawings.
7. The switch should be used for the structure of the switch directly operated by human, but not for the mechanical detection function.
8. When touching the switch lightly, the switch will be damaged if the specified load is applied. Please be careful not to exert the specified force on the switch.
9. Avoid using the side micro switch according to the operation section.
10. For the flat shaft type, press down the center of the switch as far as possible. For the hinge structure, the press position of the shaft bar will move when press down. Please pay special attention to it.
11. After the switch is installed, please contact professionals when it passes through regenerative hardening furnace due to hardening of binder for other parts.
12. If corrosive gases are produced in the surrounding material of the whole machine using the switch, it may cause bad contact and other phenomena, so please make full confirmation in advance.
13. The carbon contact point has the characteristic of changing contact resistance due to push load. When it is used in voltage divider circuit, etc., please use it after full confirmation.
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