镭雕遥控按键单点按键
一、应用范围:
适用於各类电子、电器产品的按键,其特点:可作多种颜色的键面,外观佳,且矽胶的弹性良好,耐候性佳,使用寿命长。
如:计算机、电话、电视音响、汽车等各类电子电器产品的遥控器。
可根据客户要求定做。
二、按键基本型式及参数概况:THE BASIC MODEL OF KEYPAD AND PARAMETER SURVEY
(一)标准按键关开的设计条件:Condition for design of standard key switch
Name Item | Cone Type | Double Cone Type | Bell Type | Double Cone Type | Flat Type |
Type | |||||
General Pressure Stroke Curve | |||||
Range of Pressure(g) | 30-250 | 50-250 | 80-200 10-200 (NON CLICK) | 30-200 | --- |
Relation between lOAd and Stroke | Pressure(g) 30-50 55-80 85-150 155-200 | Stroke(g) 0.5-0.9 0.7-1.4 0.8-1.5 1.2-2.0 | Stroke(mm) 1.0-3.5 0.5-3.5 (NON CLICK) | Stroke(mm) 0.3-7 | |
Outside Dimention Based on key top dimention | A≥B+2.5MM | A≥B+2.0MM | --- | ||
Life | 1*106 | 10*106 | 50*106 |
(二)各种不同用途的标准性质:Standard properties for various application
(三)按键物理性质Physical properties of keypad
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PARAMETER | CONDUCTOR | INSULATOR |
Specitic gravity at25℃ Hardness(shoreA) Tensite strength(kg/cm) Elongarion(%)at brenk Tear strength(Kg/cm) Compression(%)atter 22hrs at 175℃ volume resisttivity (OHM-CM) | 1.18 65±5 >60 >100 >9 <30 4-10 | 1.11-1.18 40-80±5 >70 >100 >12 <35 1*10 |
(四)按键电学特征:Electrical characteristics of keypad
Contact resistance insulation resistance Max contact loading Electric resistance Per key | ≤200ohm at 12v DC300ma ≥100Mohm at 250v DC24V DC 100mA 50 ohm-100 ohm |
Typical Uses | Telephone | TV&VTR | Eletronic calculator | Tape racorder | Electronie musical instrument | Computer toys | Electr -onic | Type write | Car sterco unit |
Stroke 行程 | 1.5-3.5 | 0.1-1.5 | 0.3-0.6 | 0.3-12 | 1.5-3.5 | 2.5-3.5 | 0.3-0.6 | 3-4 | 1.5-2.0 |
Load(g) 按力 | 120-200 | 30-100 | 60-90 | 60-100 | 30-90 | 60-90 | 60-9 | 70-90 | 60-100 |
Useful Life (104time) | 100-200 | 100-150 | 50-80 | 50 | 100-150 | 1000-1500 | 10 | 1000-1500 | 50 |
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