WO2024055364A1 - 一种换流阀漏水检测传感器 - Google Patents

一种换流阀漏水检测传感器 Download PDF

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WO2024055364A1
WO2024055364A1 PCT/CN2022/122497 CN2022122497W WO2024055364A1 WO 2024055364 A1 WO2024055364 A1 WO 2024055364A1 CN 2022122497 W CN2022122497 W CN 2022122497W WO 2024055364 A1 WO2024055364 A1 WO 2024055364A1
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Prior art keywords
infrared
converter valve
infrared emitter
water leakage
detection column
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PCT/CN2022/122497
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English (en)
French (fr)
Inventor
杨家凯
沈燚
杨杰
杨伟
段军鹏
代显忠
徐正佼
刘晶晶
谭武光
罗玉花
唐建忠
李家保
段海和
刘根
刘华
王培县
李春利
林恩彬
张航
陈有忠
周园
郭浩钰
杜直珊
汤晗
普朝健
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云南电网有限责任公司楚雄供电局
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Publication of WO2024055364A1 publication Critical patent/WO2024055364A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point

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  • the invention relates to the technical field of detectors, specifically a water leakage detection sensor for a converter valve.
  • the converter valves in DC transmission and other projects are all equipped with water systems for heat dissipation.
  • water system When the water system leaks, it will cause damage to the electrical components of the valve tower, and water leakage will cause a reduction in water cooling efficiency, resulting in a decrease in the heat dissipation effect of the converter valve. Therefore, water leakage detection devices are installed in some places where water leakage is prone to occur in the converter valve valve tower to detect water leakage, thereby monitoring and protecting the operation of the valve tower.
  • Today's converter valve leakage detection sensors have poor water leakage detection effects. Water collection is inconvenient.
  • the object of the present invention is to provide a converter valve water leakage detection sensor to solve the problems raised in the above background technology.
  • a water leakage detection sensor for a converter valve including:
  • Hollow detection column the hollow detection column is a hollow cylindrical shape, and the inner wall is provided with an opaque layer.
  • the outer wall of the hollow detection column is symmetrically provided with a first infrared transmitter and a first infrared receiver located on the same straight line.
  • a second infrared emitter and a second infrared receiver located on the same straight line are symmetrically arranged on the outer wall of the hollow detection column;
  • a water receiving funnel, the water receiving funnel is arranged at the top center of the hollow detection column;
  • the light-shielding float is used to float and block the infrared transmitter and the infrared receiver.
  • the first infrared emitter and the second infrared emitter are located on the same vertical straight line, and the distance between the first infrared emitter and the second infrared emitter is smaller than the thickness of the light-shielding float.
  • the distance between the bottom of the first infrared emitter and the top of the inner wall of the hollow detection column is the same as the thickness of the light-shielding float.
  • the distance between the bottom of the second infrared emitter and the bottom of the inner wall of the middle detection column is the same as the thickness of the light-shielding float.
  • the opaque layer uses black paint and has a thickness of 0.1-0.3mm.
  • the first infrared emitter, the second infrared emitter, the first infrared receiver and the second infrared receiver each include a threaded connection seat that is threadedly connected to the outer wall of the hollow detection column.
  • an inner core for connecting circuits is embedded in the center of the threaded connection seat.
  • the converter valve can be detected After water leakage, the signal is received to achieve the effect of water leakage detection.
  • the water leaking from the converter valve can be collected through the set water collecting funnel, which is easy to use.
  • the opaque layer is made of black paint with a thickness of 0.1-0.3mm, which has a good light-shielding effect, thus improving the detection effect.
  • the threaded connection seat is provided to facilitate installation, disassembly or replacement.
  • the threaded connection seat can be made of silicone material to improve the sealing effect.
  • Figure 1 is a schematic structural diagram of the present invention
  • Figure 2 is a schematic cross-sectional structural diagram of the present invention
  • Figure 3 is a schematic cross-sectional view of the transmitter or receiver of the present invention.
  • Figure 4 is an electrical schematic diagram of the circuit board of the present invention.
  • Threaded connection seat 101. Threaded connection seat; 102. Inner core body;
  • a converter valve water leakage detection sensor includes: a hollow detection column 10, the hollow detection column 10 is a hollow cylindrical shape, and the inner wall is provided with an opaque layer 15, and the outer wall of the hollow detection column 10
  • a first infrared emitter 11 and a first infrared receiver 13 located on the same straight line are symmetrically arranged on both sides, and a second infrared emitter 12 and a second infrared receiver located on the same straight line are symmetrically arranged on the outer wall of the hollow detection column 10 Device 14; water-receiving funnel 20, which is arranged at the top center of the hollow detection column 10; light-shielding float 30, light-shielding float 30 is used to float and block the infrared emitter and infrared receiver, through the first infrared emitter provided 11 and the first infrared receiver 13, the second infrared transmitter 12 and the second infrared receiver 14, and the light-shielding float 30 can receive signals after the converter valve
  • first infrared emitter 11 and the second infrared emitter 12 are located on the same vertical straight line, and the distance between the first infrared emitter 11 and the second infrared emitter 12 is less than the thickness of the light-shielding float 30.
  • the first The distance between the bottom of the infrared emitter 11 and the top of the inner wall of the hollow detection column 10 is the same as the thickness of the light-shielding float 30 .
  • the distance between the bottom of the second infrared emitter 12 and the bottom of the inner wall of the intermediate detection column 10 is the same as the thickness of the light-shielding float 30 .
  • the opaque layer 15 is made of black paint with a thickness of 0.1-0.3mm, which has a good light-shielding effect, thus improving the detection effect.
  • first infrared emitter 11 , the second infrared emitter 12 , the first infrared receiver 13 and the second infrared receiver 14 each include a threaded connection base 101 that is threadedly connected to the outer wall of the hollow detection column 10 .
  • An inner core 102 for connecting circuits is embedded in the center, and a threaded connection seat 101 is provided to facilitate installation, disassembly or replacement.
  • the threaded connection seat 101 can be made of silicone material to improve the sealing effect.
  • the working principle of the converter valve leakage detection sensor of the present invention when the converter valve leaks, the water leakage funnel 20 collects the water leaked from the converter valve. At this time, the internal light-shielding float 30 floats under the buoyancy of the water and is connected at the output end.
  • the alarm first blocks the channel between the first infrared transmitter 11 and the first infrared receiver 13, and then the alarm sounds, and then blocks the channel between the second infrared transmitter 12 and the second infrared receiver 14, and the alarm Call the police.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

本发明涉及检测器技术领域，具体为一种换流阀漏水检测传感器，包括：中空检测柱，内壁设置有不透光层，中空检测柱的外壁两侧对称设置有位于同一直线上的第一红外发射器和第一红外接收器，中空检测柱的外壁上对称设置有位于同一直线上的第二红外发射器和第二红外接收器；接水漏斗，接水漏斗设置于中空检测柱的顶部中心；遮光浮漂，遮光浮漂用于漂浮且遮挡红外发射器和红外接收器。本发明通过设置的第一红外发射器和第一红外接收器的配合、第二红外发射器和第二红外接收器的配合以及遮光浮漂，可以在换流阀漏水后，接收信号，达到漏水检测的效果，通过设置的接水漏斗可以将换流阀漏出的水进行收集，使用方便。

Description

一种换流阀漏水检测传感器 技术领域
本发明涉及检测器技术领域，具体为一种换流阀漏水检测传感器。
背景技术
直流输电等工程的换流阀都安装有散热用的水路系统，水路系统在漏水的时候会对阀塔电气件造成损坏，而且漏水会造成水冷效率降低从而导致换流阀散热效果下降。因此，在换流阀阀塔一些容易出现漏水的地方安装有漏水检测装置来检测漏水情况，从而实现对阀塔运行的监控及保护，现如今的换流阀漏水检测传感器的漏水检测效果差，集水不方便。
发明内容
本发明的目的在于提供一种换流阀漏水检测传感器，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：
一种换流阀漏水检测传感器，包括：
中空检测柱，所述中空检测柱为中空圆柱状，且内壁设置有不透光层，所述中空检测柱的外壁两侧对称设置有位于同一直线上的第一红外发射器和第一红外接收器，所述中空检测柱的外壁上对称设置有位于同一直线上的第二红外发射器和第二红外接收器；
接水漏斗，所述接水漏斗设置于中空检测柱的顶部中心；
遮光浮漂，所述遮光浮漂用于漂浮且遮挡红外发射器和红外接收器。
作为优选，所述第一红外发射器和第二红外发射器位于同一竖直直线上，且第一红外发射器和第二红外发射器之间的间距小于遮光浮漂的厚度。
作为优选，所述第一红外发射器底部、中空检测柱内壁顶部之间的间距 与所述遮光浮漂的厚度相同。
作为优选，所述第二红外发射器的底部、中间检测柱内壁底部之间的间距与所述遮光浮漂的厚度相同。
作为优选，所述不透光层采用黑色涂料，且厚度为0.1-0.3mm。
作为优选，所述第一红外发射器、第二红外发射器、第一红外接收器和第二红外接收器均包括与中空检测柱外壁螺纹连接的螺纹连接座。
作为优选，所述螺纹连接座的中心处嵌设有用于连接电路的内芯体。
与现有技术相比，本发明的有益效果是：
1、本换流阀漏水检测传感器中，通过设置的第一红外发射器和第一红外接收器的配合、第二红外发射器和第二红外接收器的配合以及遮光浮漂，可以在换流阀漏水后，接收信号，达到漏水检测的效果，通过设置的接水漏斗可以将换流阀漏出的水进行收集，使用方便。
2、本换流阀漏水检测传感器中，不透光层采用黑色涂料，且厚度为0.1-0.3mm，遮光效果好，从而提高检测效果。
3、本换流阀漏水检测传感器中，通过设置的螺纹连接座便于进行安装、拆卸或更换，螺纹连接座可采用硅胶材质制成，提高密封效果。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起做进一步的详细解释，但并不构成对本发明的限制。
图1为本发明的结构示意图；
图2为本发明的剖视结构示意图；
图3为本发明发射器或接收器的截面示意图；
图4为本发明电路板的电气原理图。
图中各标号的含义：
10、中空检测柱；11、第一红外发射器；12、第二红外发射器；13、第一红外接收器；14、第二红外接收器；15、不透光层；
101、螺纹连接座；102、内芯体；
20、接水漏斗；
30、遮光浮漂。
具体实施方式
下面将结合本发明实施例和说明书附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“中心”、“竖向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
一种换流阀漏水检测传感器，如图1-图4所示，包括：中空检测柱10，中空检测柱10为中空圆柱状，且内壁设置有不透光层15，中空检测柱10的外壁两侧对称设置有位于同一直线上的第一红外发射器11和第一红外接收器13，中空检测柱10的外壁上对称设置有位于同一直线上的第二红外发射器12和第二红外接收器14；接水漏斗20，接水漏斗20设置于中空检测柱10的顶部中心；遮光浮漂30，遮光浮漂30用于漂浮且遮挡红外发射器和红外接收器，通过设置的第一红外发射器11和第一红外接收器13的配合、第二红外发射 器12和第二红外接收器14的配合以及遮光浮漂30，可以在换流阀漏水后，接收信号，达到漏水检测的效果，通过设置的接水漏斗20可以将换流阀漏出的水进行收集，使用方便。
进一步的，第一红外发射器11和第二红外发射器12位于同一竖直直线上，且第一红外发射器11和第二红外发射器12之间的间距小于遮光浮漂30的厚度，第一红外发射器11底部、中空检测柱10内壁顶部之间的间距与遮光浮漂30的厚度相同，第二红外发射器12的底部、中间检测柱10内壁底部之间的间距与遮光浮漂30的厚度相同。
具体的，不透光层15采用黑色涂料，且厚度为0.1-0.3mm，遮光效果好，从而提高检测效果。
此外，第一红外发射器11、第二红外发射器12、第一红外接收器13和第二红外接收器14均包括与中空检测柱10外壁螺纹连接的螺纹连接座101，螺纹连接座101的中心处嵌设有用于连接电路的内芯体102，通过设置的螺纹连接座101便于进行安装、拆卸或更换，螺纹连接座101可采用硅胶材质制成，提高密封效果。
本发明换流阀漏水检测传感器的工作原理：换流阀漏水时，接水漏斗20将换流阀漏出的水进行收集，此时内部遮光浮漂30在水的浮力作用下浮起，在输出端连接报警器，先将第一红外发射器11、第一红外接收器13之间通道阻断，报警器报警，再将第二红外发射器12、第二红外接收器14间通道阻断，报警器报警。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的仅为本发明的优选例，并不用来限制本发明，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等 效物界定。

Claims (7)

  1. 一种换流阀漏水检测传感器，其特征在于：包括：
    中空检测柱(10)，所述中空检测柱(10)为中空圆柱状，且内壁设置有不透光层(15)，所述中空检测柱(10)的外壁两侧对称设置有位于同一直线上的第一红外发射器(11)和第一红外接收器(13)，所述中空检测柱(10)的外壁上对称设置有位于同一直线上的第二红外发射器(12)和第二红外接收器(14)；
    接水漏斗(20)，所述接水漏斗(20)设置于中空检测柱(10)的顶部中心；
    遮光浮漂(30)，所述遮光浮漂(30)用于漂浮且遮挡红外发射器和红外接收器。
  2. 根据权利要求1所述的换流阀漏水检测传感器，其特征在于：所述第一红外发射器(11)和第二红外发射器(12)位于同一竖直直线上，且第一红外发射器(11)和第二红外发射器(12)之间的间距小于遮光浮漂(30)的厚度。
  3. 根据权利要求1所述的换流阀漏水检测传感器，其特征在于：所述第一红外发射器(11)底部、中空检测柱(10)内壁顶部之间的间距与所述遮光浮漂(30)的厚度相同。
  4. 根据权利要求1所述的换流阀漏水检测传感器，其特征在于：所述第二红外发射器(12)的底部、中间检测柱(10)内壁底部之间的间距与所述遮光浮漂(30)的厚度相同。
  5. 根据权利要求1所述的换流阀漏水检测传感器，其特征在于：所述不透光层(15)采用黑色涂料，且厚度为0.1-0.3mm。
  6. 根据权利要求1所述的换流阀漏水检测传感器，其特征在于：所述第一红外发射器(11)、第二红外发射器(12)、第一红外接收器(13)和第二红外接收器(14)均包括与中空检测柱(10)外壁螺纹连接的螺纹连接座 (101)。
  7. 根据权利要求6所述的换流阀漏水检测传感器，其特征在于：所述螺纹连接座(101)的中心处嵌设有用于连接电路的内芯体(102)。
PCT/CN2022/122497 2022-09-14 2022-09-29 一种换流阀漏水检测传感器 WO2024055364A1 (zh)

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EP0316551A2 (en) * 1987-11-18 1989-05-24 Junkosha Co. Ltd. Light transmitting-type liquid detection sensor
WO2007049073A1 (en) * 2005-10-25 2007-05-03 Moving Sun Limited Apparatus and method for the detection of leaks
CN201569553U (zh) * 2009-11-27 2010-09-01 中国电力科学研究院 一种直流换流阀漏水监测装置
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CN214502825U (zh) * 2021-04-09 2021-10-26 北京洋琳环境科技有限公司 一种机房用漏水检测报警装置
CN114964666A (zh) * 2022-07-05 2022-08-30 中国南方电网有限责任公司超高压输电公司广州局 换流阀漏水检测器及其检测方法

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