一、应用范围:
1、适用於各类电子、电器产品的按键
2、可作多种颜色的键面,外观佳
3、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 PressureStrokeCurve | |||||
Range ofPressure(g) | 30-250 | 50-250 | 80-20010-200(NON CLICK) | 30-200 | --- |
Relationbetween loadand Stroke | Pressure(g)30-5055-8085-150155-200 | Stroke(g)0.5-0.90.7-1.40.8-1.51.2-2.0 | Stroke(mm)1.0-3.50.5-3.5(NON CLICK) | Stroke(mm)0.3-7 | |
OutsideDimentionBased on keytop 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
PARAMETER | CONDUCTOR | INSULATOR |
Specitic gravity at25℃Hardness(shoreA)Tensite strength(kg/cm)Elongarion(%)at brenkTear strength(Kg/cm)Compression(%)atter22hrs at 175℃volume resisttivity(OHM-CM) | 1.1865±5>60>100>970>100>12<351*10 |
(四)按键电学特征:Electrical characteristics of keypad
Contact resistanceinsulation resistanceMax contact loadingElectric resistancePer key | ≤200ohm at 12v DC300ma≥100Mohm at 250v DC24V DC 100mA50 ohm-100 ohm |
TypicalUses | Telephone | TV&VTR | Eletroniccalculator | Taperacorder | Electroniemusicalinstrument | Computertoys | Electr-onic | Typewrite | Carstercounit |
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 |
UsefulLife(104time) | 100-200 | 100-150 | 50-80 | 50 | 100-150 | 1000-1500 | 10 | 1000-1500 | 50 |
有意者请直接与我们联系 联系人:袁标远 联系电话 13380329776