CN208968682U - 一种高压电缆的无线测温装置 - Google Patents
一种高压电缆的无线测温装置 Download PDFInfo
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- CN208968682U CN208968682U CN201821878166.3U CN201821878166U CN208968682U CN 208968682 U CN208968682 U CN 208968682U CN 201821878166 U CN201821878166 U CN 201821878166U CN 208968682 U CN208968682 U CN 208968682U
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- 238000009529 body temperature measurement Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 14
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- 229910045601 alloy Inorganic materials 0.000 claims description 9
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- 239000000523 sample Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound 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Abstract
本实用新型提供了一种高压电缆的无线测温装置，包括无线无源温度传感器，通过电缆接头安装在高压电缆上，所述电缆接头上设置有CT取电装置，所述无线无源温度传感器和CT取电装置分别与无线测温主机，所述无线测温主机还通过RS485通讯总线与数据服务器连接；或，无线测温主机通过RS485通讯总线连接至数据通讯单元，通过数据通讯单元与数据服务器。本实用新型采用温度在线监测的方法可以实时掌握设备的电缆接头的温度情况，避免火灾等严重事故的发生。
Description
技术领域
本实用新型属于高压电缆绝缘检测技术领域，涉及一种高压电缆的无线测温装置。
背景技术
高压电缆外护套在暴力铺设或者长时间运行后遭化学腐蚀、物理损坏等会致使绝缘破损，高压电缆一旦出现绝缘破损，运行电缆会出现局部放电的现象，电缆接头温度会明显升高，为了有效监测带电电缆的运行状态，需要对电力电缆进行实时温度在线监测。目前虽然已经可以通过温度检测了解电缆的运行状态，但是大多数温度监测都是有线设备，并且由于温度检测点设置在强电磁噪声和高压绝缘的强干扰环境中，通常的电缆局部放电温度监测还存在一定的局限性，检测效果不显著，温度传感器易受周围环境的干扰。所以，研究一种无线无源测温传感器来解决传统设备的缺陷，在高压电缆温度在线监测领域势在必行。
实用新型内容
有鉴于此，本实用新型的主要目的是提供了一种高压电缆的无线测温装置，无线无源温度传感器采用无线模块或者RS485通讯总线进行信号传输。无线无源温度传感器安装在高压设备上，与接收设备之间无电气连接，因此该系统从根本上解决了高压设备接点运行温度不易实时在线监测的难题。温度传感器通过取电线圈感应取电，可以长时间带电工作，并且装置结构简单、测试性能优良、安装方便可靠。
本实用新型采用的技术方案为：
一种高压电缆的无线测温装置，包括
无线无源温度传感器，通过电缆接头安装在高压电缆上，所述电缆接头上设置有CT取电装置，所述无线无源温度传感器和CT取电装置分别与无线测温主机连接，所述无线测温主机还通过RS485通讯总线与数据服务器连接；
或，无线测温主机通过RS485通讯总线连接至数据通讯单元，通过数据通讯单元与数据服务器。
进一步地，所述数据通讯单元内设置有无线传输模块。
进一步地，所述无线传输模块为无线WiFi模块、3G模块、4G模块、5G模块中的一种或者几种组合。
进一步地，所述数据通讯单元与CT取电装置连接。
进一步地，所述无线无源温度传感器包括取电合金片，该取电合金片内置在硅胶壳体上，在硅胶壳体上还设置有温度探头，该温度探头供电接线端与取电合金片连接。
本实用新型具有如下有益效果：
1.采用温度在线监测的方法可以实时掌握设备的电缆接头的温度情况，避免火灾等严重事故的发生。2.无线无源温度传感器采用电磁线圈感应取电，可以进行长时间的带电工作，减小断电监测对高压电缆的损害。3.无线无源温度传感器安装在高压电缆上，与无线温度采集主机通过无线网络通信，从根本上解决了高压电缆接点运行温度不易实时在线监测的难题。4.本装置具有极高的可靠性、实用性和安全性，且价格相对低廉。
附图说明
下面结合附图和实施例对本实用新型进一步说明。
图1为本实用新型的一种框架原理图；
图2为本实用新型的另一种框架原理图；
图3为本实用新型中无线无源温度传感器的结构示意图。
具体实施方式
下面将结合附图以及具体实施例来详细说明本实用新型，在此本实用新型的示意性实施例以及说明用来解释本实用新型，但并不作为对本实用新型的限定。
参照图1至图2，本实用新型提供了一种高压电缆的无线测温装置，包括无线无源温度传感器2，该无线无源温度传感器2安装在高压电缆1的电缆接头3上，并通过CT取电装置感应取电。无线测温主机4通过CT取电装置进行供电，并采用无线传输模块与无线无源温度传感器2进行数据通信。无线测温主机4与数据服务器的连接可根据现场实际情况采用以下两种形式，一种为：无线测温主机采用RS485通讯总线5与数据服务器进行直接连接。另一种为：无线测温主机采用RS485通讯总线5连接至通过CT取电供电的数据通讯单元，再通过无线WiFi模块、3G模块、4G模块、5G模块中的一种或几种组合的网络形式连接至数据服务器6。
在数据服务器6侧，设置有上位机，上位机通过无线无源温度传感器2的唯一ID号将安装位置与温度探头一一对应起来，并实时的采集、展示及存储温度数据值与报警、预警信息。
当高压电缆1发生绝缘故障或者电力事故时，伴随着局部放电的产生，其绝缘部分高压电缆1温度也会升高，安装在高压电缆1上的无线无源温度传感器2检测到温度的升高，并通过无线网络将温度值以及所对应的传感器编号信息传输给无线测温主机4，无线测温主机4对传送的温度数值进行分析，当温度数值异常时，产生报警，并通过RS485通讯总线5将采集到的温度数值传输至服务器6，数据服务器通过传感器ID定位到传感器的安装位置并对该接头进行预警或报警方便及时抢护。报警信息对应传感器的编码信息以及位置信息进行准确定位并及时抢护。
在上述中，参照图3，所述无线无源温度传感器包括取电合金片7，该取电合金片内置在硅胶壳体8上，在硅胶壳体上还设置有温度探头9，该温度探头供电接线端与取电合金片连接。当然，上述只是本实用新型提供的一种无线无源温度传感器的结构，并不代表本实用新型按照此公开的结构进行实施，其他类似于无线无源温度传感器结构的其他方式，也属于本实用新型的保护范围。
以上对本实用新型实施例所公开的技术方案进行了详细介绍，本文中应用了具体实施例对本实用新型实施例的原理以及实施方式进行了阐述，以上实施例的说明只适用于帮助理解本实用新型实施例的原理；同时，对于本领域的一般技术人员，依据本实用新型实施例，在具体实施方式以及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本实用新型的限制。
Claims (5)
1.一种高压电缆的无线测温装置，其特征在于，包括
无线无源温度传感器，通过电缆接头安装在高压电缆上，所述电缆接头上设置有CT取电装置，所述无线无源温度传感器和CT取电装置分别与无线测温主机连接，所述无线测温主机还通过RS485通讯总线与数据服务器连接；
或，无线测温主机通过RS485通讯总线连接至数据通讯单元，通过数据通讯单元与数据服务器。
2.根据权利要求1所述的高压电缆的无线测温装置，其特征在于，所述数据通讯单元内设置有无线传输模块。
3.根据权利要求2所述的高压电缆的无线测温装置，其特征在于，所述无线传输模块为无线WiFi模块、3G模块、4G模块、5G模块中的一种或者几种组合。
4.根据权利要求1或2所述的高压电缆的无线测温装置，其特征在于，所述数据通讯单元与CT取电装置连接。
5.根据权利要求1所述的高压电缆的无线测温装置，其特征在于，所述无线无源温度传感器包括取电合金片，该取电合金片内置在硅胶壳体上，在硅胶壳体上还设置有温度探头，该温度探头供电接线端与取电合金片连接。
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