【技术】按键开关选材及特点
按键开关的特点,按键开关是指使用按钮推动变速器组织,按下或断开移动触点和静态触点,并完成电路更换的开关。按键开关是一种布局简单、应用非常广泛的主要命令电器。在电气主动控制电路中,用于手动宣布控制信号,以控制接触器、继电器、电磁启动器等。按键开关可以完成启动、停止、正向旋转、变速和联锁。通常,每个按键开关都有两对触点。每对触点由一个常开触点和一个常闭触点组成。当按下按钮时,两对触点一起移动,常闭触点断开,常开触点关闭。
图 1
按键开关的原理
按键开关厂家提醒交流电源输入通过整流滤波器进入DC;通过高频PWM(脉冲宽度调制)信号控制开关管,将DC添加到开关变压器的初级水平;开关变压器二次感应高频电压,通过整流滤波器提供负载;某些输出通过一定的电路反馈到控制电路,以实现稳定的输出。
按键开关是一种布局相对复杂的开关,其部件包括手柄、滑板、触点、端子、绷带弹簧等。按键开关的操作是将一些按键传输到手柄,然后手柄控制触点和端子,完成触点的开关控制。按键开关可分为两种类型:单键按键开关和多键组合按键开关。
按键开关有两种类型:单键开关和多键组合开关。电视中的电源开关通常采用单键按键开关,分为自锁自复位开关(按此开关可以打开自锁,然后按下按钮打开复位按钮(按下按钮打开复位按钮),按下按钮打开复位按钮(按下按钮打开复位按钮)。按键组合按钮打开关键按钮分为自锁锁锁类型。
按键开关的选材
按键开关厂家表示按键开关所使用的数据在阻燃、绝缘、抗冲击和防潮方面非常出色。原材料稳定性强,不易变色。除了高档塑料,按键开关还有镀金、不锈钢、铜等金属原料,为您提供越来越多的选择。
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本文由三年不鸣转载自韩荣官网,原文标题为:【按键开关厂家】按键开关选材及特点,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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晶尊微电子推出的SC02E是2按键带自校正功能的容性触摸感应器,高性能,低功耗,有超强稳定性和抗干扰能力。触摸按键相比传统按键,不仅结构设计简单美观,而且防水、抗干扰、一致性好,在节约成本的同时实现产品科技感和质感的提升,所以广泛应用在家居家电、健康医疗、消费电子等领域。
NT01A单键自校正电容式触摸传感器
描述- NT01A是一款具有自校准功能的电容式触摸传感器,可检测单电极上的触控。该产品适用于常见的触摸按键开关、智能马桶座圈的人体感应和水位检测等领域。它具备自动灵敏度校准功能,无需手动调整,并支持2.5V至6.0V的单电源供电。
型号- NT01A
SC09B 9通道电容式传感器,具有自动灵敏度校准功能
描述- 该资料介绍了SC09B型电容式传感器芯片,具备自动灵敏度校准功能,可检测多达9个电极上的触摸。它允许电极为玻璃或塑料等任何介质的投影独立感应场,从而为产品设计增加高价值。产品具有完全独立的触觉按键、100%终身自校准、全去抖动结果等特点,适用于机械开关替代、家用电器、玩具与互动游戏人机界面等领域。
型号- SC09B
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可定制平板变压器、主变压器的开关频率2MHz以内、输入电压1400V以内、输出电压1400V以内,50%以上的产品采用自动化生产,最快3天提供样品、7天交货。
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可定制变压器支持60W-600W范围,额定电流最高10A,漏感稳定度最小3%;支持开关变压器、电流感测变压器、栅极驱动变压器、LLC谐振变压器、PoE变压器等产品定制。SPQ为5K。
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