CN203773345U - Automatic verification apparatus of transformer temperature measurement-control instrument - Google Patents
Automatic verification apparatus of transformer temperature measurement-control instrument Download PDFInfo
- Publication number
- CN203773345U CN203773345U CN201320837195.6U CN201320837195U CN203773345U CN 203773345 U CN203773345 U CN 203773345U CN 201320837195 U CN201320837195 U CN 201320837195U CN 203773345 U CN203773345 U CN 203773345U
- Authority
- CN
- China
- Prior art keywords
- automatic
- communication interface
- control instrument
- temperature measurement
- lead
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an automatic verification apparatus of a transformer temperature measurement-control instrument. A scan switch (4) is connected with a digital multimeter (5) through a lead. A constant temperature oil groove temperature measurement-control instrument (6) is connected with a constant temperature oil groove (1) and a communication interface (7) through the lead. The digital multimeter (5) is connected with the communication interface (7) through the lead. The communication interface (7) is connected with a computer (8) through the lead. One end of a standard platinum resistor (2) is connected with the scan switch (4) through the lead. The automatic verification apparatus is formed integrally by the above components. The scan switch and the digital multimeter of the utility model form a multi-path data acquisition unit together. Functions, such as indication verification, automatic acquisition of open and close signals of electric contacts, deviation correction of the electric contacts and automatic data processing are carried out. The automatic verification apparatus has the advantages of accurate verification, automatic calibration and batch calibration.
Description
Technical field
The utility model relates to transformer temperature measurement and control instrument automatic check device, and this device is particularly useful for the automatic Verification to temperature measurement-control instrument in power transformer.
Technical background
Transformer temperature measurement and control instrument is the indispensable parts that guarantee the normal work of power transformer, and the accuracy of its observing and controlling and reliability are had higher requirements, and need often it to be carried out to verification, but single-minded calibration equipment not yet occurs at present.
Summary of the invention
The purpose of this utility model is: a kind of transformer temperature measurement and control instrument automatic check device is provided, and this device can carry out automatic Verification to transformer temperature measurement and control instrument, in power industry, can be widely used.
Technical solution of the present utility model is: this automatic check device comprises computing machine, standard platinum resistance, digital multimeter, scanning switch, thermostatic oil bath, thermostatic oil bath temperature detecting controller and communication interface, scanning switch is connected by wire with digital multimeter, thermostatic oil bath temperature detecting controller connects respectively thermostatic oil bath, communication interface by wire, digital multimeter connects communication interface by wire, communication interface is connected by wire with computing machine, one end of standard platinum resistance is connected by wire with scanning switch, whole formation automatic check device.
During verification, one end of transformer temperature measurement and control instrument by verification is connected by wire with scanning switch, together with the other end of the standard platinum resistance other end and transformer temperature measurement and control instrument by verification, be inserted in thermostatic oil bath, after opening power and computing machine, start test.
The beneficial effects of the utility model are: scanning switch and digital multimeter form multi-channel data acquisition unit jointly, can carry out the single-minded functions such as value testing, electric contact switching signal automatic acquisition, electric contact drift correction, automatic data processing, there is accurate verification, automatic calibration, calibration in batches.
Accompanying drawing explanation
Fig. 1 is verification principle schematic of the present utility model.
In figure: 1 thermostatic oil bath, 2 standard platinum resistances, 3 by the transformer temperature measurement and control instrument of verification, 4 scanning switchs, 5 digital multimeter, 6 thermostatic oil bath temperature detecting controllers, 7 communication interfaces, 8 computing machines.
Embodiment
As shown in Figure 1, this automatic check device comprises computing machine 8, standard platinum resistance 2, digital multimeter 5, scanning switch 4, thermostatic oil bath 1, thermostatic oil bath temperature detecting controller 6 and communication interface 7, scanning switch 4 is connected by wire with digital multimeter 5, thermostatic oil bath temperature detecting controller 6 connects respectively thermostatic oil bath 1, communication interface 7 by wire, digital multimeter 5 connects communication interface 7 by wire, communication interface 7 is connected by wire with computing machine 8, one end of standard platinum resistance 2 is connected by wire with scanning switch 4, whole formation automatic check device.
During verification, one end of transformer temperature measurement and control instrument 3 by verification is connected by wire with scanning switch 4, together with the other end of standard platinum resistance 2 other ends and transformer temperature measurement and control instrument 3 by verification, be inserted in thermostatic oil bath 1, after opening power and computing machine 8, start test.
Claims (1)
1. transformer temperature measurement and control instrument automatic check device, it is characterized in that: this automatic check device comprises computing machine (8), standard platinum resistance (2), digital multimeter (5), scanning switch (4), thermostatic oil bath (1), thermostatic oil bath temperature detecting controller (6) and communication interface (7), scanning switch (4) is connected by wire with digital multimeter (5), thermostatic oil bath temperature detecting controller (6) connects respectively thermostatic oil bath (1) by wire, communication interface (7), digital multimeter (5) connects communication interface (7) by wire, communication interface (7) is connected by wire with computing machine (8), one end of standard platinum resistance (2) is connected by wire with scanning switch (4), whole formation automatic check device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837195.6U CN203773345U (en) | 2013-12-18 | 2013-12-18 | Automatic verification apparatus of transformer temperature measurement-control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837195.6U CN203773345U (en) | 2013-12-18 | 2013-12-18 | Automatic verification apparatus of transformer temperature measurement-control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773345U true CN203773345U (en) | 2014-08-13 |
Family
ID=51290513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837195.6U Expired - Fee Related CN203773345U (en) | 2013-12-18 | 2013-12-18 | Automatic verification apparatus of transformer temperature measurement-control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773345U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458060A (en) * | 2014-12-15 | 2015-03-25 | 南京化工职业技术学院 | Intelligent thermocouple calibration instrument |
| CN104677522A (en) * | 2015-03-12 | 2015-06-03 | 天津市计量监督检测科学研究院 | Scene automatic calibration system and method for integrative temperature transmitter |
| CN104991548A (en) * | 2015-05-21 | 2015-10-21 | 西安航空动力股份有限公司 | Detection method of control system in ground measurement and control instrument |
| CN106052907A (en) * | 2016-07-28 | 2016-10-26 | 无锡信大气象传感网科技有限公司 | Temperature calibration device for meteorological detection optical fiber temperature sensor |
| CN106840461A (en) * | 2016-07-20 | 2017-06-13 | 国家电网公司 | A kind of transformer reactance device temperature protective device in-situ check and test method |
| CN107179146A (en) * | 2017-07-14 | 2017-09-19 | 国网福建省电力有限公司 | A kind of transformer oil surface thermometer intelligent online method of calibration |
| CN107219023A (en) * | 2017-07-14 | 2017-09-29 | 国网福建省电力有限公司 | A kind of transformer oil surface thermometer intelligent online check analysis system |
| CN107748021A (en) * | 2017-09-30 | 2018-03-02 | 中国计量大学 | A kind of temperature sensor dynamic testing method based on FPGA |
-
2013
- 2013-12-18 CN CN201320837195.6U patent/CN203773345U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458060A (en) * | 2014-12-15 | 2015-03-25 | 南京化工职业技术学院 | Intelligent thermocouple calibration instrument |
| CN104677522A (en) * | 2015-03-12 | 2015-06-03 | 天津市计量监督检测科学研究院 | Scene automatic calibration system and method for integrative temperature transmitter |
| CN104991548A (en) * | 2015-05-21 | 2015-10-21 | 西安航空动力股份有限公司 | Detection method of control system in ground measurement and control instrument |
| CN104991548B (en) * | 2015-05-21 | 2017-09-26 | 西安航空动力股份有限公司 | The detection method of control system in a kind of ground observing and controlling instrument |
| CN106840461A (en) * | 2016-07-20 | 2017-06-13 | 国家电网公司 | A kind of transformer reactance device temperature protective device in-situ check and test method |
| CN106052907A (en) * | 2016-07-28 | 2016-10-26 | 无锡信大气象传感网科技有限公司 | Temperature calibration device for meteorological detection optical fiber temperature sensor |
| CN107179146A (en) * | 2017-07-14 | 2017-09-19 | 国网福建省电力有限公司 | A kind of transformer oil surface thermometer intelligent online method of calibration |
| CN107219023A (en) * | 2017-07-14 | 2017-09-29 | 国网福建省电力有限公司 | A kind of transformer oil surface thermometer intelligent online check analysis system |
| CN107748021A (en) * | 2017-09-30 | 2018-03-02 | 中国计量大学 | A kind of temperature sensor dynamic testing method based on FPGA |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203773345U (en) | Automatic verification apparatus of transformer temperature measurement-control instrument | |
| CN102768348B (en) | System for automatically testing service life of probe | |
| AU2014359924A1 (en) | Isolator switch comprehensive tester | |
| CN103293385A (en) | Direct-current resistance quick testing device for transformers in temperature-rise tests | |
| CN203275522U (en) | Novel breaker loop resistor testing clamp | |
| CN103760388A (en) | Four-wire test fixture and test method thereof | |
| CN104698283A (en) | Resistor test method | |
| CN103529829A (en) | Test system for electric vehicle controller | |
| EP3038225A3 (en) | Voltage detection apparatus, battery and voltage detection method | |
| CN204495754U (en) | Trace self-flow pattern condensation point of diesel oil on-line determination device | |
| CN205353208U (en) | Multichannel precision resister test system | |
| CN204719088U (en) | The temperature measuring equipment that a kind of conductor DC resistance detects | |
| CN204101613U (en) | A kind of non-contact switch amount condition checkout gear | |
| CN203908702U (en) | Multi-point humiture measuring indicator | |
| CN203616374U (en) | DC potentiometer experimental device adopting constant current source | |
| CN105021865A (en) | A voltage measurement method allowing compensation | |
| CN205384309U (en) | Universal meter | |
| CN109270429B (en) | Method for measuring noise of multi-channel high-low temperature interface circuit board | |
| CN201575872U (en) | Compensating circuit of thermal resistor capable of implementing temperature measurement correction | |
| CN204903746U (en) | Ring -opening formula electricity level sensor debugs device with output zero point | |
| CN204228286U (en) | A kind of Moisture Meter temperature collection circuit | |
| CN106100492B (en) | A kind of the rotor electrical time constant preparation method and system of asynchronous machine | |
| CN105759152A (en) | Tool for quickly testing electrical property of power transformer | |
| CN202583325U (en) | Device using substitution method to measure resistance | |
| CN104459327A (en) | Detection circuit and method for detonator explosive head resistor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20171218 |