WO2017016082A1 - Infrared communication based mobile distribution transformer temperature monitoring device and method - Google Patents

Infrared communication based mobile distribution transformer temperature monitoring device and method Download PDF

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Publication number
WO2017016082A1
WO2017016082A1 PCT/CN2015/092998 CN2015092998W WO2017016082A1 WO 2017016082 A1 WO2017016082 A1 WO 2017016082A1 CN 2015092998 W CN2015092998 W CN 2015092998W WO 2017016082 A1 WO2017016082 A1 WO 2017016082A1
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temperature
module
data
distribution transformer
infrared
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PCT/CN2015/092998
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French (fr)
Chinese (zh)
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蒋斌
李�荣
张林利
李红梅
李立生
石鑫
王华广
刘明林
房牧
董啸
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国网山东省电力公司
国网山东省电力公司电力科学研究院
国家电网公司
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Publication of WO2017016082A1 publication Critical patent/WO2017016082A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres

Definitions

  • the invention belongs to the technical field of power distribution equipment state monitoring, and in particular relates to a mobile power distribution transformer temperature monitoring device and method based on infrared communication.
  • the distribution transformer is one of the main power supply equipment. It shoulders the conversion of high and low voltage power supply, which is related to the reliability, power quality and economic operation of the entire high and low voltage power supply system. As the power consumption of the distribution network continues to increase, the peak-to-valley difference of the load is getting larger and larger. In some areas, the distribution transformers are overheated and burnt due to overload operation. Therefore, the monitoring of the operating temperature of the distribution transformer is also improved. More and more attention has been paid.
  • the working environment of distribution transformers is relatively harsh, and the number is large and widely distributed. If the transformer temperature online monitoring technology relies on the communication of the main station in accordance with the traditional, it is necessary to set up a huge communication network, and the investment is large, and it is difficult to realize online monitoring. In the inspection cycle, the infrared temperature measurement is performed on the distribution transformer, which is susceptible to noise and environmental interference. The measurement error is large, and only the current time section temperature data can be obtained, and the intermittent latent defect signal is not easily found.
  • the object of the present invention is to solve the above problems, and to provide a temperature distribution device and method for a mobile distribution transformer based on infrared communication, which realizes continuous monitoring of running temperature data of a distribution transformer for a period of time, and provides basic data for maintenance of the distribution state. Support; at the same time, the data receiving terminal is easy to carry, and it is convenient to obtain measurement data on the spot.
  • the utility model relates to a mobile distribution transformer temperature monitoring device based on infrared communication, comprising a temperature sensor, the temperature sensor is connected to the signal processing unit, the signal processing unit is connected to the local temperature measuring terminal, and the local temperature measuring terminal is connected to the first infrared communication module,
  • the first infrared communication module communicates with the handheld data receiving terminal;
  • the temperature sensor is a fiber grating temperature sensor, and a plurality of fiber gratings of different center wavelengths are connected in series on a single fiber to form a fiber grating sensing array;
  • the signal processing The unit converts the center wavelength of the fiber grating reflection into a corresponding temperature value of the fiber grating temperature sensor measurement point.
  • the local temperature measurement terminal includes a data acquisition module and a solid state storage module connected to each other, the data acquisition module is connected to the first infrared communication module, and the first infrared communication module is a data transmission end.
  • the solid state storage module is a FLASH chip.
  • the resolution of the fiber grating temperature sensor is 0.1 ° C, the temperature measurement accuracy is ⁇ 0.5 ° C, and the temperature measurement range can be up to 300 ° C.
  • the temperature of the distribution transformer plays a good role in diagnosing the operation of the transformer. It is crucial to know the temperature change of the transformer to play a critical role in the maintenance of the operation and maintenance personnel.
  • the fiber grating temperature sensor has high measurement accuracy and large measurement range. It is more convenient for maintenance personnel to carry out maintenance.
  • the handheld data receiving terminal comprises a motherboard circuit
  • the motherboard circuit comprises a main processor module
  • the main processor module is connected to the second infrared communication module
  • the main processor module is simultaneously connected with a clock, a reset circuit, a display module, a matrix keyboard module and a storage
  • the module is connected, and the power management module is respectively connected to the second infrared communication module, the main processor module, the storage module, the display module, the download interface, and the matrix keyboard module.
  • the handheld data receiving terminal realizes communication with the local temperature measuring terminal and accepts the temperature data measured by the local temperature measuring terminal.
  • the second infrared communication module communicates with the first infrared communication module, and the handheld data acceptance terminal receives the temperature information collected by the local temperature measurement terminal through infrared communication, and the handheld data acceptance terminal can display the temperature information through the display module.
  • the exterior of the motherboard circuit is provided with an explosion-proof enclosure, and the explosion-proof enclosure isolates the motherboard circuit from the outside.
  • the explosion-proof enclosure protects the internal circuitry.
  • the main processor module is connected to the storage module through a serial peripheral interface SPI.
  • the second infrared communication module is a data receiving end, and is connected to the main processor module through a universal asynchronous serial port UART.
  • the method for monitoring the temperature of the mobile distribution transformer based on infrared communication the signal processing unit converts the central wavelength of the fiber grating reflection into a corresponding temperature value of the measurement point of the fiber grating temperature sensor, and the temperature sensor and the signal processing unit realize the operation of the distribution transformer Continuous measurement of temperature, the local temperature measurement terminal performs on-site storage of the monitoring data at set time intervals, and the operation and maintenance personnel use the handheld data acceptance terminal to complete the reception of the distribution operation temperature monitoring data through infrared data communication. No special data communication network is needed, which not only greatly reduces the investment cost, but also realizes the continuous monitoring of the operating temperature data of the distribution transformer over a period of time, providing basic data support for the maintenance of the distribution state.
  • the invention overcomes the shortcomings and shortcomings of the traditional transformer temperature online monitoring method, such as large investment, difficult implementation, low-precision infrared temperature measurement accuracy, and difficulty in finding intermittent latent defect signals, and adopts a fiber grating temperature sensor to realize a high operating temperature of the distribution transformer.
  • the accuracy is continuously measured, and the monitoring data is stored locally at set time intervals.
  • the handheld data receiving terminal can be used to obtain the continuous running state monitoring data of the distribution transformer during a period of time.
  • the use of infrared data transmission is free from electromagnetic interference, does not generate additional communication costs, and has low investment, which is suitable for temperature monitoring of distribution transformers.
  • the continuous monitoring of the operating temperature data of the distribution transformer over a period of time is provided to provide basic data support for the maintenance of the distribution state state; at the same time, the data receiving terminal is convenient to carry and convenient to obtain measurement data on the spot.
  • FIG. 2(a) is a front view of the handheld data receiving terminal;
  • FIG. 2(b) is a rear view of the handheld data receiving terminal; and
  • FIG. 2(c) is a top view of the handheld data receiving terminal.
  • FIG. 3 is a circuit block layout diagram of a handheld data receiving terminal.
  • the mobile power distribution transformer temperature monitoring device based on infrared communication includes a temperature sensor, the temperature sensor is connected to the signal processing unit, the signal processing unit is connected to the local temperature measuring terminal, and the local temperature measuring terminal is connected to the first infrared communication.
  • the module, the first infrared communication module communicates with the handheld data receiving terminal;
  • the temperature sensor is a fiber grating temperature sensor, and a plurality of fiber gratings of different center wavelengths are connected in series on a single fiber to form a fiber grating sensing array; the resolution is 0.1 ° C,
  • the temperature measurement accuracy is ⁇ 0.5°C, and the temperature measurement range can reach 300°C.
  • the signal processing unit converts the center wavelength of the fiber grating reflection into the corresponding temperature value of the fiber grating temperature sensor measurement point.
  • the first infrared communication module is a data transmitting end, and when the distribution patrol personnel performs temperature data acquisition on the spot, the handheld data receiving terminal and the first infrared communication module realize infrared communication connection, thereby realizing the distribution temperature monitoring data for a period of time. Receive.
  • the handheld data receiving terminal includes a mainboard circuit
  • the mainboard circuit includes a main processor module
  • the main processor module is connected to the second infrared communication module 4, and the main processor module At the same time, it is connected with the clock, the reset circuit, the display module 2, the matrix keyboard module 3 and the storage module 5.
  • the power management module 6 is respectively a second infrared communication module 4, a main processor module, a storage module 5, a display module 2, a download interface, and The matrix keyboard module 3 is connected.
  • the handheld data receiving terminal realizes communication with the local temperature measuring terminal and accepts the temperature data measured by the local temperature measuring terminal.
  • a battery back cover is disposed outside the power management module 6.
  • the exterior of the mainboard circuit is provided with an explosion-proof outer casing 1 which isolates the main circuit from the outside.
  • the explosion-proof enclosure 1 protects the internal circuitry.
  • the method for monitoring the temperature of the mobile distribution transformer based on infrared communication the signal processing unit converts the central wavelength of the fiber grating reflection into a corresponding temperature value of the measurement point of the fiber grating temperature sensor, and the temperature sensor and the signal processing unit realize the operation of the distribution transformer Continuous measurement of temperature, the local temperature measurement terminal performs on-site storage of the monitoring data at set time intervals, and the operation and maintenance personnel use the handheld data acceptance terminal to complete the reception of the distribution operation temperature monitoring data through infrared data communication. No special data communication network is needed, which not only greatly reduces the investment cost, but also realizes the continuous monitoring of the operating temperature data of the distribution transformer over a period of time, providing basic data support for the maintenance of the distribution state.
  • the second infrared communication module 4 of the handheld data receiving terminal receives the temperature monitoring data stored in the local temperature measuring terminal of the distribution transformer, and transmits the data to the main processor module through the universal asynchronous serial port UART.
  • the main processor module stores data to the storage module 5 through the serial peripheral interface SPI, and the display module 2 and the matrix keyboard module 3 are connected to the main processor module 1 through the input/output I/O interface, and the distribution inspection personnel can pass
  • the display module 2 can view the measured temperature data on-site, and can also download data through the download interface.
  • the power management module 6 supplies power to the handheld terminal through the voltage stabilization circuit and the voltage conversion circuit, and the clock ensures that the measurement data is saved corresponding to the time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

An infrared communication based mobile distribution transformer temperature monitoring device comprises a fibre grating temperature sensor, wherein the fibre grating temperature sensor is connected to a signal processing unit, and the signal processing unit is connected to a local temperature measuring terminal; the signal processing unit measures a fibre grating reflection central wavelength and converts the wavelength into a temperature value corresponding to a fibre grating temperature sensor measurement point; a temperature sensor and the signal processing unit carry out continuous measurement of distribution transformer operating temperature; and the local temperature measuring terminal locally stores monitoring data according to a set time interval. When operation and maintenance personnel carry out inspection, a handheld data-receiving terminal is used to receive distribution transformer operating temperature data through infrared communications, so that continuous monitoring of the operating temperature data of a distribution transformer within a period of time is carried out. Also provided is an infrared communication based mobile distribution transformer temperature monitoring method. Infrared data transmission is free from electromagnetic interference, does not produce additional communication costs and has the advantage of small investment. The data-receiving terminal is portable and can easily and locally acquire the measurement data.

Description

基于红外通信的移动式配电变压器温度监测装置及方法Mobile distribution transformer temperature monitoring device and method based on infrared communication 技术领域Technical field
本发明属于配电设备状态监测技术领域，尤其涉及一种基于红外通信的移动式配电变压器温度监测装置及方法。The invention belongs to the technical field of power distribution equipment state monitoring, and in particular relates to a mobile power distribution transformer temperature monitoring device and method based on infrared communication.
背景技术Background technique
在供电***中，配电变压器是主要供电设备之一。它肩负着高低压电源的转换，关系到整个高低压供电***的可靠性、供电质量和经济运行。随着配网用电量的不断增大，负荷的峰谷差越来越大，部分地区配电变压器因过负荷运行而出现过热烧毁现象时有发生，因此配电变压器运行温度的监测也愈来愈受到重视。In the power supply system, the distribution transformer is one of the main power supply equipment. It shoulders the conversion of high and low voltage power supply, which is related to the reliability, power quality and economic operation of the entire high and low voltage power supply system. As the power consumption of the distribution network continues to increase, the peak-to-valley difference of the load is getting larger and larger. In some areas, the distribution transformers are overheated and burnt due to overload operation. Therefore, the monitoring of the operating temperature of the distribution transformer is also improved. More and more attention has been paid.
配电变压器工作环境相对恶劣，且数量众多，分布广泛，若依照传统依赖主站通信的变压器温度在线监测技术，需要组建庞大的通信网络，投资大，实现在线监测难度大；而按设定的巡检周期就地对配变进行红外测温，容易受噪声和环境干扰，测量误差大，且只能获得当前时间断面温度数据，不易发现间歇性潜伏缺陷信号。The working environment of distribution transformers is relatively harsh, and the number is large and widely distributed. If the transformer temperature online monitoring technology relies on the communication of the main station in accordance with the traditional, it is necessary to set up a huge communication network, and the investment is large, and it is difficult to realize online monitoring. In the inspection cycle, the infrared temperature measurement is performed on the distribution transformer, which is susceptible to noise and environmental interference. The measurement error is large, and only the current time section temperature data can be obtained, and the intermittent latent defect signal is not easily found.
发明内容Summary of the invention
本发明的目的就是为了解决上述问题，提供一种基于红外通信的移动式配电变压器温度监测装置及方法，实现配电变压器一段时间内运行温度数据的连续监测，为配变状态检修提供基础数据支撑；同时数据接收终端便于携带，方便就地获取测量数据。The object of the present invention is to solve the above problems, and to provide a temperature distribution device and method for a mobile distribution transformer based on infrared communication, which realizes continuous monitoring of running temperature data of a distribution transformer for a period of time, and provides basic data for maintenance of the distribution state. Support; at the same time, the data receiving terminal is easy to carry, and it is convenient to obtain measurement data on the spot.
为了实现上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
基于红外通信的移动式配电变压器温度监测装置，包括温度传感器，温度传感器连接信号处理单元，所述信号处理单元连接就地测温终端，所述就地测温终端连接第一红外通信模块，所述第一红外通信模块与手持数据接受终端进行通信；所述温度传感器为光纤光栅温度传感器，在单根光纤上串联多个不同中心波长的光纤光栅组成光纤光栅传感阵列；所述信号处理单元通过测量光纤光栅反射的中心波长转换为光纤光栅温度传感器测量点相应的温度值。The utility model relates to a mobile distribution transformer temperature monitoring device based on infrared communication, comprising a temperature sensor, the temperature sensor is connected to the signal processing unit, the signal processing unit is connected to the local temperature measuring terminal, and the local temperature measuring terminal is connected to the first infrared communication module, The first infrared communication module communicates with the handheld data receiving terminal; the temperature sensor is a fiber grating temperature sensor, and a plurality of fiber gratings of different center wavelengths are connected in series on a single fiber to form a fiber grating sensing array; the signal processing The unit converts the center wavelength of the fiber grating reflection into a corresponding temperature value of the fiber grating temperature sensor measurement point.
所述就地测温终端包括相互连接的数据采集模块和固态存储模块，所述数据采集模块与所述第一红外通信模块连接，所述第一红外通信模块为数据发送端。The local temperature measurement terminal includes a data acquisition module and a solid state storage module connected to each other, the data acquisition module is connected to the first infrared communication module, and the first infrared communication module is a data transmission end.
所述固态存储模块为FLASH芯片。The solid state storage module is a FLASH chip.
所述光纤光栅温度传感器的分辨率为0.1℃，测温精度±0.5℃，测温范围能到300℃。 配电变压器的温度对变压器的运行起到很好地诊断作用，精确地知道变压器的温度变化对运维人员进行检修起到关键的诊断作用，采用光纤光栅温度传感器测量精度高且测量范围大，更利于运维人员进行检修。The resolution of the fiber grating temperature sensor is 0.1 ° C, the temperature measurement accuracy is ± 0.5 ° C, and the temperature measurement range can be up to 300 ° C. The temperature of the distribution transformer plays a good role in diagnosing the operation of the transformer. It is crucial to know the temperature change of the transformer to play a critical role in the maintenance of the operation and maintenance personnel. The fiber grating temperature sensor has high measurement accuracy and large measurement range. It is more convenient for maintenance personnel to carry out maintenance.
所述手持数据接受终端包括主板电路，所述主板电路包括主处理器模块，主处理器模块连接第二红外通信模块，主处理器模块同时与时钟、复位电路、显示模块、矩阵键盘模块及存储模块连接，电源管理模块分别为第二红外通信模块、主处理器模块、存储模块、显示模块、下载接口和矩阵键盘模块连接。手持数据接受终端实现与就地测温终端的通信，接受就地测温终端测量到的温度数据。The handheld data receiving terminal comprises a motherboard circuit, the motherboard circuit comprises a main processor module, the main processor module is connected to the second infrared communication module, and the main processor module is simultaneously connected with a clock, a reset circuit, a display module, a matrix keyboard module and a storage The module is connected, and the power management module is respectively connected to the second infrared communication module, the main processor module, the storage module, the display module, the download interface, and the matrix keyboard module. The handheld data receiving terminal realizes communication with the local temperature measuring terminal and accepts the temperature data measured by the local temperature measuring terminal.
第二红外通信模块与第一红外通信模块进行通信，手持数据接受终端通过红外通信接受就地测温终端采集的温度信息，手持数据接受终端通过显示模块能够显示温度信息。The second infrared communication module communicates with the first infrared communication module, and the handheld data acceptance terminal receives the temperature information collected by the local temperature measurement terminal through infrared communication, and the handheld data acceptance terminal can display the temperature information through the display module.
所述主板电路的外部设有防爆外壳，防爆外壳将主板电路与外界隔离。防爆外壳能够对内部的电路起到保护作用。The exterior of the motherboard circuit is provided with an explosion-proof enclosure, and the explosion-proof enclosure isolates the motherboard circuit from the outside. The explosion-proof enclosure protects the internal circuitry.
所述主处理器模块通过串行外设接口SPI连接到存储模块。The main processor module is connected to the storage module through a serial peripheral interface SPI.
所述第二红外通信模块为数据接收端，通过通用异步串口UART与主处理器模块连接。The second infrared communication module is a data receiving end, and is connected to the main processor module through a universal asynchronous serial port UART.
基于红外通信的移动式配电变压器温度监测装置的方法，信号处理单元通过测量光纤光栅反射的中心波长转换为光纤光栅温度传感器测量点相应的温度值，温度传感器和信号处理单元实现对配变运行温度的连续测量，就地测温终端对监测数据按设定时间间隔进行就地存储，运维人员进行巡检时利用手持数据接受终端通过红外数据通信完成对配变运行温度监测数据的接收，不需要专门的数据通信网络，不仅大幅降低了投资成本，而且实现配电变压器一段时间内运行温度数据的连续监测，为配变状态检修提供基础数据支撑。The method for monitoring the temperature of the mobile distribution transformer based on infrared communication, the signal processing unit converts the central wavelength of the fiber grating reflection into a corresponding temperature value of the measurement point of the fiber grating temperature sensor, and the temperature sensor and the signal processing unit realize the operation of the distribution transformer Continuous measurement of temperature, the local temperature measurement terminal performs on-site storage of the monitoring data at set time intervals, and the operation and maintenance personnel use the handheld data acceptance terminal to complete the reception of the distribution operation temperature monitoring data through infrared data communication. No special data communication network is needed, which not only greatly reduces the investment cost, but also realizes the continuous monitoring of the operating temperature data of the distribution transformer over a period of time, providing basic data support for the maintenance of the distribution state.
本发明的有益效果：The beneficial effects of the invention:
本发明克服传统变压器温度在线监测方式投资大、实施难度大和配变按周期红外测温精度低、不易发现间歇性潜伏缺陷信号的缺点和不足，采用光纤光栅温度传感器实现对配变运行温度的高精度连续测量，并对监测数据按设定时间间隔进行就地存储，利用手持式数据接收终端即可获取配电变压器一段时间周期内的连续运行状态监测数据。利用红外数据传输不受电磁干扰，不产生额外的通信费用，投资小，适合配电变压器的温度监测。实现配电变压器一段时间内运行温度数据的连续监测，为配变状态检修提供基础数据支撑；同时数据接收终端便于携带，方便就地获取测量数据。The invention overcomes the shortcomings and shortcomings of the traditional transformer temperature online monitoring method, such as large investment, difficult implementation, low-precision infrared temperature measurement accuracy, and difficulty in finding intermittent latent defect signals, and adopts a fiber grating temperature sensor to realize a high operating temperature of the distribution transformer. The accuracy is continuously measured, and the monitoring data is stored locally at set time intervals. The handheld data receiving terminal can be used to obtain the continuous running state monitoring data of the distribution transformer during a period of time. The use of infrared data transmission is free from electromagnetic interference, does not generate additional communication costs, and has low investment, which is suitable for temperature monitoring of distribution transformers. The continuous monitoring of the operating temperature data of the distribution transformer over a period of time is provided to provide basic data support for the maintenance of the distribution state state; at the same time, the data receiving terminal is convenient to carry and convenient to obtain measurement data on the spot.
附图说明DRAWINGS
图1是本发明装置的结构框图。 BRIEF DESCRIPTION OF THE DRAWINGS
图2(a)是手持数据接收终端的正视图；图2(b)是手持数据接收终端的后视图；图2(c)为手持数据接收终端的顶部视图。2(a) is a front view of the handheld data receiving terminal; FIG. 2(b) is a rear view of the handheld data receiving terminal; and FIG. 2(c) is a top view of the handheld data receiving terminal.
图3是手持数据接收终端的电路模块布局图。3 is a circuit block layout diagram of a handheld data receiving terminal.
其中，1、防爆外壳，2、显示模块，3、矩阵键盘模块，4、第二红外通信模块，5、存储模块，6、电源管理模块。Among them, 1, explosion-proof casing, 2, display module, 3, matrix keyboard module, 4, second infrared communication module, 5, storage module, 6, power management module.
具体实施方式detailed description
下面结合附图与实施例对本发明作进一步说明。The invention will be further described below in conjunction with the drawings and embodiments.
如图1所示，基于红外通信的移动式配电变压器温度监测装置，包括温度传感器，温度传感器连接信号处理单元，信号处理单元连接就地测温终端，就地测温终端连接第一红外通信模块，第一红外通信模块与手持数据接受终端进行通信；温度传感器为光纤光栅温度传感器，在单根光纤上串联多个不同中心波长的光纤光栅组成光纤光栅传感阵列；分辨率为0.1℃，测温精度±0.5℃，测温范围能到300℃；信号处理单元通过测量光纤光栅反射的中心波长转换为光纤光栅温度传感器测量点相应的温度值。As shown in FIG. 1 , the mobile power distribution transformer temperature monitoring device based on infrared communication includes a temperature sensor, the temperature sensor is connected to the signal processing unit, the signal processing unit is connected to the local temperature measuring terminal, and the local temperature measuring terminal is connected to the first infrared communication. The module, the first infrared communication module communicates with the handheld data receiving terminal; the temperature sensor is a fiber grating temperature sensor, and a plurality of fiber gratings of different center wavelengths are connected in series on a single fiber to form a fiber grating sensing array; the resolution is 0.1 ° C, The temperature measurement accuracy is ±0.5°C, and the temperature measurement range can reach 300°C. The signal processing unit converts the center wavelength of the fiber grating reflection into the corresponding temperature value of the fiber grating temperature sensor measurement point.
第一红外通信模块为数据发送端，配变巡检人员就地进行温度数据采集时，利用手持数据接收终端与第一红外通信模块实现红外通信连接，实现对一段时间内的配变温度监测数据进行接收。The first infrared communication module is a data transmitting end, and when the distribution patrol personnel performs temperature data acquisition on the spot, the handheld data receiving terminal and the first infrared communication module realize infrared communication connection, thereby realizing the distribution temperature monitoring data for a period of time. Receive.
如图2(a)-图2(c)和图3所示，手持数据接收终端包括主板电路，主板电路包括主处理器模块，主处理器模块连接第二红外通信模块4，主处理器模块同时与时钟、复位电路、显示模块2、矩阵键盘模块3及存储模块5连接，电源管理模块6分别为第二红外通信模块4、主处理器模块、存储模块5、显示模块2、下载接口和矩阵键盘模块3连接。手持数据接受终端实现与就地测温终端的通信，接受就地测温终端测量到的温度数据。电源管理模块6外面设有电池后盖。As shown in FIG. 2(a) - FIG. 2(c) and FIG. 3, the handheld data receiving terminal includes a mainboard circuit, the mainboard circuit includes a main processor module, and the main processor module is connected to the second infrared communication module 4, and the main processor module At the same time, it is connected with the clock, the reset circuit, the display module 2, the matrix keyboard module 3 and the storage module 5. The power management module 6 is respectively a second infrared communication module 4, a main processor module, a storage module 5, a display module 2, a download interface, and The matrix keyboard module 3 is connected. The handheld data receiving terminal realizes communication with the local temperature measuring terminal and accepts the temperature data measured by the local temperature measuring terminal. A battery back cover is disposed outside the power management module 6.
所述主板电路的外部设有防爆外壳1，防爆外壳1将主板电路与外界隔离。防爆外壳1能够对内部的电路起到保护作用。The exterior of the mainboard circuit is provided with an explosion-proof outer casing 1 which isolates the main circuit from the outside. The explosion-proof enclosure 1 protects the internal circuitry.
基于红外通信的移动式配电变压器温度监测装置的方法，信号处理单元通过测量光纤光栅反射的中心波长转换为光纤光栅温度传感器测量点相应的温度值，温度传感器和信号处理单元实现对配变运行温度的连续测量，就地测温终端对监测数据按设定时间间隔进行就地存储，运维人员进行巡检时利用手持数据接受终端通过红外数据通信完成对配变运行温度监测数据的接收，不需要专门的数据通信网络，不仅大幅降低了投资成本，而且实现配电变压器一段时间内运行温度数据的连续监测，为配变状态检修提供基础数据支撑。 The method for monitoring the temperature of the mobile distribution transformer based on infrared communication, the signal processing unit converts the central wavelength of the fiber grating reflection into a corresponding temperature value of the measurement point of the fiber grating temperature sensor, and the temperature sensor and the signal processing unit realize the operation of the distribution transformer Continuous measurement of temperature, the local temperature measurement terminal performs on-site storage of the monitoring data at set time intervals, and the operation and maintenance personnel use the handheld data acceptance terminal to complete the reception of the distribution operation temperature monitoring data through infrared data communication. No special data communication network is needed, which not only greatly reduces the investment cost, but also realizes the continuous monitoring of the operating temperature data of the distribution transformer over a period of time, providing basic data support for the maintenance of the distribution state.
配变巡检人员就地数据采集过程中，手持数据接收终端的第二红外通信模块4接收配变就地测温终端存储的温度监测数据，通过通用异步串口UART将数据传输至主处理器模块，主处理器模块通过串行外设接口SPI将数据储存至存储模块5，显示模块2和矩阵键盘模块3通过输入输出I/O接口与主处理器模块1连接，配变巡检人员可通过显示模块2现场查看测量温度数据，也可通过下载接口进行数据下载。电源管理模块6通过稳压电路和电压转换电路对手持终端供电，时钟保证测量数据与时间对应保存。During the local data collection process of the patrol inspector, the second infrared communication module 4 of the handheld data receiving terminal receives the temperature monitoring data stored in the local temperature measuring terminal of the distribution transformer, and transmits the data to the main processor module through the universal asynchronous serial port UART. The main processor module stores data to the storage module 5 through the serial peripheral interface SPI, and the display module 2 and the matrix keyboard module 3 are connected to the main processor module 1 through the input/output I/O interface, and the distribution inspection personnel can pass The display module 2 can view the measured temperature data on-site, and can also download data through the download interface. The power management module 6 supplies power to the handheld terminal through the voltage stabilization circuit and the voltage conversion circuit, and the clock ensures that the measurement data is saved corresponding to the time.
上述虽然结合附图对本发明的具体实施方式进行了描述，但并非对本发明保护范围的限制，所属领域技术人员应该明白，在本发明的技术方案的基础上，本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。 The above description of the specific embodiments of the present invention has been described with reference to the accompanying drawings, but it is not intended to limit the scope of the present invention. Those skilled in the art should understand that the skilled in the art does not require the creative work on the basis of the technical solutions of the present invention. Various modifications or variations that can be made are still within the scope of the invention.

Claims (9)

  1. 基于红外通信的移动式配电变压器温度监测装置，其特征是，包括温度传感器，温度传感器连接信号处理单元，所述信号处理单元连接就地测温终端，所述就地测温终端连接第一红外通信模块，所述第一红外通信模块与手持数据接受终端进行通信；所述温度传感器为光纤光栅温度传感器，在单根光纤上串联多个不同中心波长的光纤光栅组成光纤光栅传感阵列；所述信号处理单元通过测量光纤光栅反射的中心波长转换为光纤光栅温度传感器测量点相应的温度值。The utility model relates to a mobile distribution transformer temperature monitoring device based on infrared communication, which comprises a temperature sensor connected to a signal processing unit, the signal processing unit is connected to an in-situ temperature measuring terminal, and the local temperature measuring terminal is connected first. The infrared communication module, the first infrared communication module communicates with the handheld data receiving terminal; the temperature sensor is a fiber grating temperature sensor, and a plurality of fiber gratings of different center wavelengths are connected in series on a single fiber to form a fiber grating sensing array; The signal processing unit converts the center wavelength of the fiber grating reflection into a corresponding temperature value of the fiber grating temperature sensor measurement point.
  2. 如权利要求1所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述就地测温终端包括相互连接的数据采集模块和固态存储模块，所述数据采集模块与所述第一红外通信模块连接，所述第一红外通信模块为数据发送端。The infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 1, wherein the local temperature measurement terminal comprises an interconnected data acquisition module and a solid state storage module, and the data acquisition module and the The first infrared communication module is connected, and the first infrared communication module is a data transmitting end.
  3. 如权利要求2所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述固态存储模块为FLASH芯片。The infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 2, wherein the solid state storage module is a FLASH chip.
  4. 如权利要求1所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述光纤光栅温度传感器的分辨率为0.1℃，测温精度±0.5℃，测温范围能到300℃。The infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 1, wherein the fiber grating temperature sensor has a resolution of 0.1 ° C, a temperature measurement accuracy of ± 0.5 ° C, and a temperature measurement range of up to 300 ° C. .
  5. 如权利要求1所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述手持数据接受终端包括主板电路，所述主板电路包括主处理器模块，主处理器模块连接第二红外通信模块，主处理器模块同时与时钟、复位电路、显示模块、矩阵键盘模块及存储模块连接，电源管理模块分别为第二红外通信模块、主处理器模块、存储模块、显示模块、下载接口和矩阵键盘模块连接。The infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 1, wherein the handheld data receiving terminal comprises a mainboard circuit, the mainboard circuit comprises a main processor module, and the main processor module is connected to the second Infrared communication module, the main processor module is simultaneously connected with a clock, a reset circuit, a display module, a matrix keyboard module and a storage module, and the power management module is respectively a second infrared communication module, a main processor module, a storage module, a display module, a download interface Connected to the matrix keyboard module.
  6. 如权利要求5所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述主板电路的外部设有防爆外壳，防爆外壳将主板电路与外界隔离。The infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 5, wherein the external circuit of the mainboard circuit is provided with an explosion-proof casing, and the explosion-proof casing isolates the main circuit from the outside.
  7. 如权利要求5所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述主处理器模块通过串行外设接口SPI连接到存储模块。The infrared distribution-based mobile distribution transformer temperature monitoring apparatus according to claim 5, wherein the main processor module is connected to the storage module through a serial peripheral interface SPI.
  8. 如权利要求5所述基于红外通信的移动式配电变压器温度监测装置，其特征是，所述第二红外通信模块为数据接收端，通过通用异步串口UART与主处理器模块连接。The infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 5, wherein the second infrared communication module is a data receiving end, and is connected to the main processor module through a universal asynchronous serial port UART.
  9. 基于权利要求1所述基于红外通信的移动式配电变压器温度监测装置的方法，其特征是，信号处理单元通过测量光纤光栅反射的中心波长转换为光纤光栅温度传感器测量点相应的温度值，温度传感器和信号处理单元实现对配变运行温度的连续测量，就地测温终端对监测数据按设定时间间隔进行就地存储，运维人员进行巡检时利用手持数据接受终端通过红外数据通信完成对配变运行温度监测数据的接收，实现配电变压器一段时间内运行温度数据的连续监测，为配变状态检修提供基础数据支撑。 The method of the infrared distribution-based mobile distribution transformer temperature monitoring device according to claim 1, wherein the signal processing unit converts the center wavelength of the fiber grating reflection into a corresponding temperature value of the fiber grating temperature sensor measurement point, and the temperature The sensor and the signal processing unit realize continuous measurement of the distribution operating temperature, and the local temperature measurement terminal performs on-site storage of the monitoring data at a set time interval, and the operation and maintenance personnel perform the inspection by using the handheld data receiving terminal through infrared data communication. The receiving of the monitoring temperature monitoring data of the distribution transformer realizes the continuous monitoring of the operating temperature data of the distribution transformer for a period of time, and provides basic data support for the maintenance of the distribution state.
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