CN102879122A - Portable inspection device for temperature transmitter - Google Patents

Portable inspection device for temperature transmitter Download PDF

Info

Publication number
CN102879122A
CN102879122A CN2012102691819A CN201210269181A CN102879122A CN 102879122 A CN102879122 A CN 102879122A CN 2012102691819 A CN2012102691819 A CN 2012102691819A CN 201210269181 A CN201210269181 A CN 201210269181A CN 102879122 A CN102879122 A CN 102879122A
Authority
CN
China
Prior art keywords
terminal
switch
thermometer
temperature transmitter
precision
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012102691819A
Other languages
Chinese (zh)
Inventor
王恩江
梁凯
黄耀阳
邢文红
鹿军
付振强
李丽群
卢学济
李松涛
刘君
周志玉
庞明
程宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN2012102691819A priority Critical patent/CN102879122A/en
Publication of CN102879122A publication Critical patent/CN102879122A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

本发明涉及一种便携式温度变送器检验装置，包括壳体、高精度电阻、切换开关、温度表、投切开关、接线端子、电源插件，高精度电阻分别与切换开关各端子连接，切换开关的端子再与接线端子一连接，投切开关与接线端子二连接，接线端子二与温度表连接，温度表电源通过电源插件接入交流电源。本发明的优点是：具有体积小、重量轻、结实耐用、方便携带、操作简便、精度高等优点，为设备的试验、运行维护提供了有效的温度变送设备的检测手段，具有很好的使用价值。

Figure 201210269181

The invention relates to a portable temperature transmitter inspection device, which includes a casing, a high-precision resistor, a switch, a thermometer, a switching switch, a connection terminal, and a power plug-in. The high-precision resistor is respectively connected to each terminal of the switch, and the switch The terminal of the terminal is then connected to terminal one, the switching switch is connected to terminal two, terminal two is connected to the thermometer, and the power supply of the thermometer is connected to the AC power supply through the power plug-in. The advantages of the present invention are: small size, light weight, strong and durable, easy to carry, easy to operate, high precision, etc. It provides an effective detection method for temperature transmission equipment for equipment testing, operation and maintenance, and has a good use value.

Figure 201210269181

Description

一种便携式温度变送器检验装置A portable temperature transmitter inspection device

技术领域 technical field

本发明涉及一种变送器检验装置，尤其涉及一种便携式温度变送器检验装置。The invention relates to a transmitter inspection device, in particular to a portable temperature transmitter inspection device.

背景技术 Background technique

目前，电力系统中电力变压器基本上全部安装有温度变送器将温度信号上传到后台系统或提供给数显仪表来显示变压器的运行温度。然而，长期以来试验人员或维护人员从未对温度变送器的精度以及报警节点的动作值的准确度进行过现场校验，这为变压器的运行安全带来一定的隐患。At present, the power transformers in the power system are basically equipped with temperature transmitters to upload the temperature signal to the background system or provide it to the digital display instrument to display the operating temperature of the transformer. However, for a long time, test personnel or maintenance personnel have never conducted on-site verification of the accuracy of the temperature transmitter and the accuracy of the action value of the alarm node, which brings certain hidden dangers to the operation safety of the transformer.

发明内容 Contents of the invention

为克服现有技术的不足，本发明的目的是提供一种便携式温度变送器检验装置，方便携带、操作简便、精确度高。In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a portable temperature transmitter testing device, which is easy to carry, easy to operate and high in accuracy.

为实现上述目的，本发明通过以下技术方案实现：To achieve the above object, the present invention is achieved through the following technical solutions:

一种便携式温度变送器检验装置，包括壳体、高精度电阻、切换开关、温度表、投切开关、接线端子、电源插件，高精度电阻分别与切换开关各端子连接，切换开关的端子再与接线端子一连接，投切开关与接线端子二连接，接线端子二与温度表连接，温度表电源通过电源插件接入交流电源。A portable temperature transmitter inspection device, including a housing, a high-precision resistor, a switch, a thermometer, a switching switch, a terminal block, and a power plug-in, the high-precision resistors are respectively connected to the terminals of the switch, and the terminals of the switch are connected to each other. It is connected with terminal one, the switching switch is connected with terminal two, terminal two is connected with the thermometer, and the power supply of the thermometer is connected to the AC power supply through the power plug-in.

与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:

具有体积小、重量轻、结实耐用、方便携带、操作简便、精度高等优点，为设备的试验、运行维护提供了有效的温度变送设备的检测手段，具有很好的使用价值。It has the advantages of small size, light weight, strong and durable, easy to carry, easy to operate, and high precision. It provides an effective detection method for temperature transmission equipment for equipment testing, operation and maintenance, and has good use value.

附图说明 Description of drawings

图1是本发明的外形示意图。Fig. 1 is a schematic diagram of the appearance of the present invention.

图2是本发明的面板布置图。Fig. 2 is a panel layout diagram of the present invention.

图3是本发明的电气原理图。Fig. 3 is an electrical schematic diagram of the present invention.

图中：1-切换开关  2-接线端子一  3-温度表  4-投切开关5-电源插件  6-接线端子二。In the figure: 1-switch 2-terminal 1 3-temperature gauge 4-switching switch 5-power plug-in 6-terminal 2.

具体实施方式Detailed ways

下面结合说明书附图对本发明进行详细地描述，但是应该指出本发明的实施不限于以下的实施方式。The present invention will be described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the present invention is not limited to the following embodiments.

见图1、图2和图3，一种便携式温度变送器检验装置，包括壳体、高精度电阻、切换开关1、温度表3、投切开关4、接线端子、电源插件5，高精度电阻分别与切换开关1各端子连接，切换开关的端子再与接线端子一2连接，投切开关4与接线端子二6连接，接线端子二6与温度表3连接，温度表3电源通过电源插件5接入交流电源。See Figure 1, Figure 2 and Figure 3, a portable temperature transmitter inspection device, including a housing, a high-precision resistor, a switch 1, a thermometer 3, a switching switch 4, a terminal block, a power plug-in 5, and a high-precision The resistors are respectively connected to the terminals of the switch 1, the terminals of the switch are connected to the terminal 1, the switching switch 4 is connected to the terminal 6, the terminal 6 is connected to the thermometer 3, and the power supply of the thermometer 3 is through the power plug-in 5 Connect to AC power.

装置通过内置的标准高精度电阻给变送器提供一个模拟温度源，按照标准的PT100的分度表来校验温度变送器的准确性。装置还安装了一个高精度数字温度显示表，可以更加直观的比较温度变送器的精度误差。标准电阻采用旋转调节开关（切换开关）分档调节，分段检测变送器的精度。本检验装置电气元件由：高精度电阻R1-R9、切换开关SB、温度显示表WB、投切开关TA、接线端子J1-2、电源插子C。高精度电阻R1-9安装在装置壳体内，高精度电阻分别与切换开关4各端子连接，切换开关4的端子再与接线端子2连接，这样可将电阻引出到输出端子上。输出端子在箱内与校准温度表投切开关TA串联接线，温度表3的电源通过电源插件引入交流220V电源。The device provides an analog temperature source to the transmitter through the built-in standard high-precision resistance, and verifies the accuracy of the temperature transmitter according to the standard PT100 graduation table. The device is also equipped with a high-precision digital temperature display table, which can compare the accuracy error of the temperature transmitter more intuitively. The standard resistance is adjusted in stages using a rotary adjustment switch (switch), and the accuracy of the transmitter is detected in stages. The electrical components of the inspection device are composed of: high-precision resistors R1-R9, switch SB, temperature display meter WB, switching switch TA, terminal J1-2, power plug C. The high-precision resistors R1-9 are installed in the device housing, and the high-precision resistors are respectively connected to the terminals of the switch 4, and the terminals of the switch 4 are connected to the terminal 2, so that the resistors can be drawn out to the output terminals. The output terminal is connected in series with the switching switch TA of the calibration thermometer in the box, and the power supply of the thermometer 3 is introduced into the AC 220V power supply through the power plug-in.

见图3，本发明温度变送器检验装置是这样实现的，本装置的电气元件由R1-9高精度电阻、SB切换开关1、J1-2接线端子、WB温度表3、TA投切开关4和C电源插件5组成。电阻焊在电路板上，放在箱内。其他元件全部安装在装置面板表面。电阻与切换开关1端子连接，并有切换开关1的端子引出到接线端子上。接线端子再与校验温度表3连接，温度表3电源通过C电源插件5接入。测试时将被测变送器的PT100输入端与装置的接线端子连接，通过改变电阻的大小来测量变送器输出值是否正确，校验温度表能更直观地对温度变送器的值进行比对。See Fig. 3, the temperature transmitter testing device of the present invention is realized in this way, the electrical components of the device are composed of R1-9 high-precision resistor, SB switch 1, J1-2 terminal, WB thermometer 3, TA switching switch 4 and C power plug-in 5 to form. The resistance is welded on the circuit board and placed in the box. All other components are installed on the surface of the device panel. The resistor is connected to the terminal of the switch 1, and the terminal of the switch 1 is led out to the connection terminal. The connecting terminal is connected with the calibration thermometer 3 again, and the power supply of the thermometer 3 is connected through the C power plug-in 5 . During the test, connect the PT100 input terminal of the transmitter under test to the terminal of the device, and measure whether the output value of the transmitter is correct by changing the resistance. The calibration thermometer can more intuitively check the value of the temperature transmitter. Comparison.

本发明具有体积小、重量轻、结实耐用、方便携带、操作简便、精度高等优点，为设备的试验、运行维护提供了有效的温度变送设备的检测手段，具有很好的使用价值。The invention has the advantages of small size, light weight, strong and durable, easy to carry, easy to operate, high precision, etc., provides an effective detection method for temperature transmission equipment for equipment testing, operation and maintenance, and has good use value.

Claims (1)

1. Portable temperature transmitter verifying attachment, it is characterized in that, comprise housing, precision resister, change-over switch, thermometer, fling-cut switch, connection terminal, power insert, precision resister is connected with each terminal of change-over switch respectively, the terminal of change-over switch is connected with connection terminal one again, fling-cut switch is connected with connection terminal two, and connection terminal two is connected with thermometer, and the thermometer power supply is by power insert incoming transport power supply.
CN2012102691819A 2012-07-31 2012-07-31 Portable inspection device for temperature transmitter Pending CN102879122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012102691819A CN102879122A (en) 2012-07-31 2012-07-31 Portable inspection device for temperature transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012102691819A CN102879122A (en) 2012-07-31 2012-07-31 Portable inspection device for temperature transmitter

Publications (1)

Publication Number Publication Date
CN102879122A true CN102879122A (en) 2013-01-16

Family

ID=47480534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012102691819A Pending CN102879122A (en) 2012-07-31 2012-07-31 Portable inspection device for temperature transmitter

Country Status (1)

Country Link
CN (1) CN102879122A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103984250A (en) * 2014-04-28 2014-08-13 广东电网公司中山供电局 Multi-gear resistance output device and detecting system
CN104075022A (en) * 2014-06-30 2014-10-01 威顿水泥集团有限责任公司 Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln
CN106441429A (en) * 2016-09-04 2017-02-22 合肥飞鸟信息技术有限公司 Temperature and humidity transmitter or recorder detection system
CN110806226A (en) * 2019-09-27 2020-02-18 中国一冶集团有限公司 Wireless transmitter and inspection system, verification method and debugging method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2055253U (en) * 1989-05-08 1990-03-28 中国建筑科学研究院空气调节研究所 Precise constant-current source type thermal resistance temp. transducer
CN201352162Y (en) * 2008-10-15 2009-11-25 嘉兴电力局 Transformer temperature calibration device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2055253U (en) * 1989-05-08 1990-03-28 中国建筑科学研究院空气调节研究所 Precise constant-current source type thermal resistance temp. transducer
CN201352162Y (en) * 2008-10-15 2009-11-25 嘉兴电力局 Transformer temperature calibration device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103984250A (en) * 2014-04-28 2014-08-13 广东电网公司中山供电局 Multi-gear resistance output device and detecting system
CN103984250B (en) * 2014-04-28 2017-04-12 广东电网公司中山供电局 Multi-gear resistance output device and detecting system
CN104075022A (en) * 2014-06-30 2014-10-01 威顿水泥集团有限责任公司 Valve opening degree feedback device of tertiary-air duct high-temperature gate valve of rotary cement kiln
CN106441429A (en) * 2016-09-04 2017-02-22 合肥飞鸟信息技术有限公司 Temperature and humidity transmitter or recorder detection system
CN110806226A (en) * 2019-09-27 2020-02-18 中国一冶集团有限公司 Wireless transmitter and inspection system, verification method and debugging method thereof

Similar Documents

Publication Publication Date Title
CN106443567B (en) Real load test system of electric energy meter
CN102359833A (en) Temperature rise test device of winding thermometer for transformer
CN102879122A (en) Portable inspection device for temperature transmitter
CN104535949A (en) Method and system for on-site verification of power quality monitoring device
CN204286646U (en) Main transformer of transformer substation thermometric loop fault detecting device
CN102928124A (en) Inspection tool of temperature transmitter
CN102998027A (en) Transformer temperature check and test device and method for checking faults of temperature control system
CN204241579U (en) Portable type current transformer on-site calibrator
CN103149923A (en) Verifying device for oil surface temperature controller of power transformer
CN103558578A (en) Thermistor detection system for electronic electric energy meter and method of system
CN104678980B (en) Transformer temperature controller check meter
CN203101474U (en) Electrification detector for high-voltage electric system
CN206515459U (en) A kind of actual loading test system of electric energy meter
CN105845007A (en) Intelligent electric energy meter simulation application test stand and use method thereof
CN103017939A (en) Novel temperature controller checking device
CN102466789B (en) Photoelectric current transformer stability test device and method
CN105628296B (en) Universal thermocouple vacuum gauge
CN209639896U (en) A kind of automated calibration system for electric measuring type pressure gauge
CN204989442U (en) Contact resistance tester calibrating device
CN203799005U (en) Error verification system for high-voltage metering box
CN204302431U (en) Indoor electric line fault testing device
CN203490003U (en) Temperature test box
CN202853794U (en) Platinum resistor checking bench for transformer oil level thermometer
CN204269733U (en) A test device for metal resistivity change in a continuous temperature range
CN205655944U (en) Transformer oil face thermometer temperature relay's calibration equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130116