CN104833434A - On-line temperature monitoring device used for transformer - Google Patents
On-line temperature monitoring device used for transformer Download PDFInfo
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- CN104833434A CN104833434A CN201510103774.1A CN201510103774A CN104833434A CN 104833434 A CN104833434 A CN 104833434A CN 201510103774 A CN201510103774 A CN 201510103774A CN 104833434 A CN104833434 A CN 104833434A
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Abstract
一种用于变压器在线温度监测装置，它至少包括一安装在变压器上的温度传感器，所述的温度传感器用导线连接于外置的传感器信号采集器，并由该传感器信号采集器与A8上位机或工控机相连；所述的温度传感器为一DS18B20数字式温度传感器，所述的传感器信号采集器为一STM32F103传感器信号采集系统，所述温度传感器通过2根5V电源线以及一根信号线DG与所述传感器信号采集器相连；所述的传感器信号采集器通过一个I/O口读取温度传感器采集的、并经AD转换直接转变成的数字信号，该数字信号即为变压器的外箱温度信号由所述传感器信号采集器上传至相联的A8上位机或工控机；它具有结构组成合理，使用方便可靠等特点。
An on-line temperature monitoring device for a transformer, which at least includes a temperature sensor installed on the transformer, the temperature sensor is connected to an external sensor signal collector with a wire, and the sensor signal collector is connected to an A8 host computer Or industrial computer is connected; Described temperature sensor is a DS18B20 digital temperature sensor, and described sensor signal acquisition device is a STM32F103 sensor signal acquisition system, and described temperature sensor is by 2 5V power lines and a signal line DG and The sensor signal collector is connected; the sensor signal collector reads the digital signal collected by the temperature sensor through an I/O port and is directly converted into by AD conversion, and the digital signal is the outer box temperature signal of the transformer The sensor signal collector is uploaded to the associated A8 host computer or industrial computer; it has the characteristics of reasonable structure and composition, convenient and reliable use, and the like.
Description
技术领域 technical field
本发明涉及的是一种用于变压器在线温度监测装置，属于电力设备的故障监测技术领域。 The invention relates to an on-line temperature monitoring device for a transformer, which belongs to the technical field of fault monitoring of power equipment.
背景技术 Background technique
变压器是电力设施中的一种重要电力设备，处于长期运行过程中的变压器会因为各种原因导致故障的发生，一旦发生故障将要求电力抢修工人立即前往，以便尽快投入抢修，保障电力线路的正常运行。如何能够及时发现变压器的故障成为电力线路安全正常运行的关键因素，为此各级电力部门都在着力研究在线故障监测的装置。 The transformer is an important power equipment in the power facility. The transformer in the long-term operation process will cause failures due to various reasons. Once a failure occurs, the electric repair workers will be required to go there immediately so that they can be repaired as soon as possible to ensure the normality of the power line. run. How to detect transformer faults in time has become a key factor in the safe and normal operation of power lines. For this reason, power departments at all levels are focusing on research on online fault monitoring devices.
发明内容 Contents of the invention
本发明的目的在于克服现有技术存在的不足，而提供一种结构组成合理，使用方便可靠，能实现智能监测，保障电力线路安全运行的用于变压器的在线温度监测装置。 The purpose of the present invention is to overcome the deficiencies in the prior art, and provide an online temperature monitoring device for transformers with reasonable structure, convenient and reliable use, intelligent monitoring, and safe operation of power lines.
本发明的目的是通过如下技术方案来完成的，一种用于变压器在线温度监测装置，它至少包括一安装在变压器上的温度传感器，所述的温度传感器用导线连接于外置的传感器信号采集器，并由该传感器信号采集器与A8上位机或工控机相连。 The purpose of the present invention is achieved through the following technical solutions, a transformer online temperature monitoring device, which at least includes a temperature sensor installed on the transformer, the temperature sensor is connected to an external sensor signal acquisition with a wire device, and the sensor signal collector is connected to the A8 host computer or industrial computer.
所述的温度传感器为一DS18B20数字式温度传感器，所述的传感器信号采集器为一STM32F103传感器信号采集系统，所述温度传感器通过2根5V电源线以及一根信号线DG与所述传感器信号采集器相连。 The temperature sensor is a DS18B20 digital temperature sensor, and the sensor signal collector is a STM32F103 sensor signal acquisition system, and the temperature sensor is connected to the sensor signal acquisition system by two 5V power lines and a signal line DG connected to the device.
所述的传感器信号采集器通过一个I/O口读取温度传感器采集的、并经AD转换直接转变成的数字信号，该数字信号即为变压器的外箱温度信号由所述传感器信号采集器上传至相联的A8上位机或工控机。 The sensor signal collector reads the digital signal collected by the temperature sensor through an I/O port and is directly converted into a digital signal through AD conversion. The digital signal is the outer box temperature signal of the transformer and is uploaded by the sensor signal collector. To the associated A8 host computer or industrial computer.
本发明具有结构组成合理，使用方便可靠，能实现智能监测，保障电力线路安全运行等特点。 The invention has the characteristics of reasonable structure, convenient and reliable use, intelligent monitoring, and safe operation of power lines.
附图说明 Description of drawings
图1是本发明的结构组成原理示意图。 Fig. 1 is a schematic diagram of the structural composition principle of the present invention.
具体实施方式 Detailed ways
下面将结合附图对本发明作详细的介绍：图1所示，本发明所述的一种用于变压器在线温度监测装置，它包括一安装在变压器1上的温度传感器2，所述的温度传感器2用导线3连接于外置的传感器信号采集器4上，并由该传感器信号采集器4将温度信号数据上传于相连的A8上位机（图中未示）；所述的A8上位机也可以是现有的工控机。 The present invention will be described in detail below in conjunction with accompanying drawing: As shown in Fig. 1, a kind of transformer online temperature monitoring device of the present invention, it comprises a temperature sensor 2 that is installed on the transformer 1, described temperature sensor 2 Connect to the external sensor signal collector 4 with a wire 3, and the sensor signal collector 4 uploads the temperature signal data to the connected A8 host computer (not shown in the figure); the A8 host computer can also be It is an existing industrial computer.
图中所示，所述的温度传感器2为一DS18B20数字式温度传感器，所述的传感器信号采集器4为一STM32F103传感器信号采集系统，所述温度传感器2通过2根5V电源线31以及一根信号线32与所述传感器信号采集器4相连。 As shown in the figure, the temperature sensor 2 is a DS18B20 digital temperature sensor, and the sensor signal collector 4 is a STM32F103 sensor signal acquisition system, and the temperature sensor 2 passes through two 5V power lines 31 and a The signal line 32 is connected to the sensor signal collector 4 .
本发明的优选的实施方案是：所述的传感器信号采集器4通过一个I/O口读取温度传感器2采集的、并经AD转换直接转变成的数字信号，该数字信号即为变压器1的外箱温度信息，由所述传感器信号采集器4将外箱温度数据上传至相联的A8上位机或工控机。 A preferred embodiment of the present invention is: the sensor signal collector 4 reads the digital signal collected by the temperature sensor 2 through an I/O port and is directly converted into a digital signal through AD conversion, and the digital signal is the signal of the transformer 1. For the temperature information of the outer box, the sensor signal collector 4 uploads the temperature data of the outer box to the associated A8 host computer or industrial computer.
本发明所述的传感器信号采集器4专门安装在一置于电力变压器1旁的立式箱体5中。 The sensor signal collector 4 of the present invention is specially installed in a vertical box 5 placed beside the power transformer 1 .
本发明所述的A8上位机选用的是一种基于ARMcortex-A8的AM335X微处理器，带有大于2G的SD卡，它通过并行数据接口连接能够实时显示各种数据的液晶显示器，通过两个串行口分别连接着GPRS模块和RF模块，并通过所述的至少一GPRS模块发送短信给相应的带有SIM卡终端机；所述的A8上位机和传感器信号采集系统均被安装在一监控箱体中，在所述监控箱体的正面设置有所述的液晶显示器。 What the A8 upper computer of the present invention selects is a kind of AM335X microprocessor based on ARMcortex-A8, has the SD card greater than 2G, and it connects the liquid crystal display that can show various data in real time by parallel data interface, through two The serial port is connected with the GPRS module and the RF module respectively, and sends a short message to the corresponding terminal with a SIM card through the at least one GPRS module; the A8 host computer and the sensor signal acquisition system are all installed in a monitoring In the box, the liquid crystal display is arranged on the front of the monitoring box.
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| CN201510103774.1A CN104833434A (en) | 2015-03-10 | 2015-03-10 | On-line temperature monitoring device used for transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052894A (en) * | 2016-08-15 | 2016-10-26 | 浙江江山变压器股份有限公司 | Transformer oil temperature remote monitoring device based on IOT (Internet of Things) |
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| JPS6118830A (en) * | 1984-07-06 | 1986-01-27 | Mitsubishi Electric Corp | Temperature monitoring apparatus |
| CN103630784A (en) * | 2013-12-04 | 2014-03-12 | 国家电网公司 | Online monitoring system for power distribution transformers |
| CN203490566U (en) * | 2013-09-02 | 2014-03-19 | 重庆跃腾电器有限公司 | Temperature controller for dry-type transformer |
| CN103728043A (en) * | 2013-12-31 | 2014-04-16 | 温州市图盛科技有限公司 | Distribution transformer temperature monitoring device |
| CN104199486A (en) * | 2014-08-29 | 2014-12-10 | 天津工业大学 | Non-contact type intelligent dry transformer temperature measurement method and system |
| CN204594587U (en) * | 2015-03-10 | 2015-08-26 | 国网浙江海盐县供电公司 | For transformer on-line temperature monitoring device |
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| JPS6118830A (en) * | 1984-07-06 | 1986-01-27 | Mitsubishi Electric Corp | Temperature monitoring apparatus |
| CN203490566U (en) * | 2013-09-02 | 2014-03-19 | 重庆跃腾电器有限公司 | Temperature controller for dry-type transformer |
| CN103630784A (en) * | 2013-12-04 | 2014-03-12 | 国家电网公司 | Online monitoring system for power distribution transformers |
| CN103728043A (en) * | 2013-12-31 | 2014-04-16 | 温州市图盛科技有限公司 | Distribution transformer temperature monitoring device |
| CN104199486A (en) * | 2014-08-29 | 2014-12-10 | 天津工业大学 | Non-contact type intelligent dry transformer temperature measurement method and system |
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| 王绍杰等: "油浸式变压器热特性在线监测系统的设计", 《计算机与现代化》 * |
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| CN106052894A (en) * | 2016-08-15 | 2016-10-26 | 浙江江山变压器股份有限公司 | Transformer oil temperature remote monitoring device based on IOT (Internet of Things) |
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Application publication date: 20150812 |