CN101790259B - 一种碳纤维电热板及其加工工艺 - Google Patents

一种碳纤维电热板及其加工工艺 Download PDF

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CN101790259B
CN101790259B CN2010101075685A CN201010107568A CN101790259B CN 101790259 B CN101790259 B CN 101790259B CN 2010101075685 A CN2010101075685 A CN 2010101075685A CN 201010107568 A CN201010107568 A CN 201010107568A CN 101790259 B CN101790259 B CN 101790259B
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CN101790259A (zh
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李刚
彭月明
商冬凡
赵士永
田树辉
郝晓忠
付章建
王艳武
黄佳
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Hebei Academy of Architectural Sciences Co., Ltd.
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HEBEI PROV ARCHITECTURE SCIENCE ACADEMY
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Abstract

本发明涉及一种碳纤维电热板及其加工工艺,碳纤维电热板包括环氧树脂绝缘板、碳纤维长丝,其特征在于:碳纤维长丝间隔设置于环氧树脂绝缘板内,碳纤维长丝末端连接在极板上,通过焊点与电缆连接。该发明广泛应用于居住建筑、公共建筑、农业设施及各种工业设备的防冻保暖。其优点是安全、热效高、安装方便、维护简便以及整个供暖运行过程无声、无光、无污染。避免了功率衰减、耐久性差、绝缘性能低的特点,本产品发热均匀,施工可操作性强,应用广泛。同时避免了碳纤维长丝局部闪络和闪点现象的出现,密封性能更好,绝缘性能好,泄漏电流小。

Description

一种碳纤维电热板及其加工工艺
技术领域
本发明涉及一种供暖产品及其加工工艺,具体地,涉及一种采用碳纤维长丝发热的电热产品及其加工工艺。
背景技术
目前现有的碳纤维电热板以碳纤维纸为发热元件,但短切碳纤维在纸浆中弥散不均匀,很容易造成闪络或闪点现象,严重影响安全性能。目前市场上还有电热膜,其绝缘性能低,热转化率低,耐久性能差,辐射波长相对较短,对人体无保健功能。
发明内容
为克服现有技术的缺陷,本发明的目的是提供一种碳纤维电热板;本发明避免了功率衰减、耐久性差、绝缘性能低的特点,采用本发明技术方案的产品发热均匀,施工可操作性强,应用广泛,同时避免了碳纤维长丝局部闪络和闪点现象的出现,密封性能更好,绝缘性能好,泄漏电流小。
本发明采用如下技术方案:
一种碳纤维电热板,包括环氧树脂绝缘板、碳纤维长丝,其特征在于:碳纤维长丝间隔设置于环氧树脂绝缘板内,碳纤维长丝末端连接在极板上,通过焊点与电缆连接。
优选地,所述的碳纤维电热板采用含胶量质量比40%~70%的环氧树脂板。
优选地,所述的碳纤维电热板采用3K、6K、12K的碳纤维长丝。
优选地,所述的碳纤维电热板的尺寸为60mm×900mm,厚度为0.8mm、1.0mm、1.2mm、1.6mm或者1.8mm。
一种碳纤维电热板加工工艺,首先把环氧树脂板平铺、给碳纤维长丝施加一定的捻度,然后把碳纤维长丝按照30mm~60mm的间距铺设在环氧树脂板上面,在碳纤维长丝的头部及尾部分别放置一块极板,待铺设完毕后在碳纤维长丝及极板上再次覆盖环氧树脂板,最后在150℃~180℃的温度、4MPa~7MPa压强、100min~150min时间下真空固化成型;待第一次固化成型后再二次预压成型,温度150℃~180℃,压强4MPa~8MPa,时间300min~500min;碳纤维电热板与导线的连接接点为绝缘盒,首先在电热板上磨圆孔,孔的直径为3mm~6mm,然后露出极板,把导线与极板进行焊接,形成焊点,最后用环氧树脂把焊点进行密封。
该发明广泛应用于居住建筑、公共建筑、农业设施及各种工业设备的防冻保暖。其优点是安全、热效高、安装方便、维护简便以及整个供暖运行过程无声、无光、无污染。该发热板厚度为1.2mm,铺设在地板下进行辐射采暖,增加了室内利用高度在30mm~60mm。
附图说明
图1是碳纤维电热板的结构正视图。
图2是碳纤维电热板的结构俯视图。
图3是碳纤维电热板内部碳纤维丝铺设正视图。
图4是碳纤维电热板内部碳纤维丝铺设剖视图。
图5是碳纤维电热板与导线连接绝缘盒示意图。
图中,1、电缆,2、极板,3、焊点,4、绝缘盒,5、环氧树脂绝缘板,6、碳纤维长丝。
具体实施方式
如图1-5所示,碳纤维电热板包括环氧树脂绝缘板5、碳纤维长丝6,碳纤维丝6间隔设置于环氧树脂绝缘板5内,碳纤维长丝末端连接在极板2上,通过焊点3与电缆1连接,并通过环氧树脂密封;碳纤维电热板采用含胶量质量比40%~70%的环氧树脂板;所述的碳纤维电热板采用3K、6K、12K的碳纤维长丝;碳纤维电热板的尺寸为60mm×900mm,厚度为0.8mm、1.0mm、1.2mm、1.6mm或者1.8mm。
碳纤维电热板采用如下制作工艺制作:
首先把环氧树脂板5平铺、给碳纤维长丝施加一定的捻度,然后把碳纤维长丝6按照30mm~60mm的间距铺设在环氧树脂板上面,在碳纤维长丝的头部及尾部分别放置一块极板2,待铺设完毕后在碳纤维长丝及极板上再次覆盖环氧树脂板5,最后在150℃~180℃的温度、4MPa~7MPa压强、100min~150min时间下真空固化成型;待第一次固化成型后再二次预压成型,温度150℃~180℃,压强4MPa~8MPa,时间300min~500min;碳纤维电热板与导线的连接接点为绝缘盒4,首先在电热板上磨圆孔,孔的直径为3mm~6mm,然后露出极板,把导线与极板进行焊接,形成焊点,最后用环氧树脂把焊点进行密封。

Claims (2)

1.一种碳纤维电热板,包括环氧树脂绝缘板、碳纤维长丝,其特征在于:碳纤维长丝按照30mm~60mm的间距间隔设置于环氧树脂绝缘板内,碳纤维长丝末端连接在极板上,通过焊点与电缆连接;所述的碳纤维电热板采用含胶量质量比40%~70%的环氧树脂绝缘板;所述的碳纤维电热板采用3K、6K或12K的碳纤维长丝;所述的碳纤维电热板的尺寸为60mm×900mm,厚度为0.8mm、1.0mm、1.2mm、1.6mm或者1.8mm。
2.一种碳纤维电热板加工工艺,其特征在于:
首先把环氧树脂板平铺、给碳纤维长丝施加一定的捻度,然后把碳纤维长丝按照30mm~60mm的间距铺设在环氧树脂板上面,在碳纤维长丝的头部及尾部分别放置一块极板,待铺设完毕后在碳纤维长丝及极板上再次覆盖环氧树脂板,最后在150℃~180℃的温度、4MPa~7MPa压强、100min~150min时间下真空固化成型;待第一次固化成型后再二次预压成型,温度150℃~180℃,压强4MPa~8MPa,时间300min~500min;在电热板上磨圆孔,孔的直径为3mm~6mm,然后露出极板;把导线与极板进行焊接,形成焊点;最后用环氧树脂把焊点进行密封。
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