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发明名称
数显仪表的热敏式小长图记录仪
摘要
本实用新型公开了一种热敏式小长图记录仪,它可以从各类数显电路中取出BCD码,然后通过译码电路、时序电路驱动相应个位、十位、百位的开关电路,使打印头上的电热丝发热,再通过机械动作、发热的电热丝与印有个位、十位、百位区间的热敏记录纸接触而使热敏纸变色,从而达到了准确的记录值,改掉了传统的小长图记录仪结构繁琐、笨重、记录误差大等缺点。 本实用新型适用于温度、电压、压力等等的多用途热敏式小长图记录仪。
申请公布号
CN2180974Y
申请公布日期
1994.10.26
申请号
CN92221443.3
申请日期
1992.10.08
申请人
贺绪龄
发明人
贺绪龄
分类号
G01D9/00
主分类号
G01D9/00
代理机构
代理人
主权项
1、一种热敏式小长图记录仪,整个机械结构装在机架(5)上,其特征是当装在打印头(1)上的电热丝通电加热后,直流线圈(9)通电,铁芯(8)吸动装有防噪声橡皮(7)的衔铁,压下打印头(1)与热敏记录纸(11)接触,使其变色,然后直流线圈(9)断电,通过复位弹簧(6),由棘爪带动走纸棘轮(3)与压纸轮(2)一起转动,使热敏记录纸(11)通过出纸槽(4)顺利出来,以上过程都能通过时序电路而动作,热敏记录纸(11)装在带阻尼的轴上,并可通过活动的支架(10)安装热敏记录纸。
地址
200080上海市海伦路108弄9号
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